The content of the invention
In order to solve above mentioned problem of the prior art, the present invention proposes a kind of for connecting the coaxially connected of cableDevice, it includes：Front sleeve；Inner sleeve, it is plugged on front sleeve inner side, and is electrically connected with front sleeve；After sleeve, it is socketed in interiorSleeve outside, and electrically connected with inner sleeve, also, the after sleeve can be changed between released state and lock-out state,Released state, it is allowed to which cable inserts the chamber of coaxial connector, and in lock-out state, cable keeps relative to the coaxial connectorFixed, especially, the screen layer of cable selectively makes electrical contact with the inwall of inner sleeve and/or with the inwall of after sleeve.
Alternatively, the inwall of the inner sleeve is configured to the screen layer interference fit with the cable.
Alternatively, the inwall of the after sleeve is configured to the screen layer interference fit with the cable.
Alternatively, the front sleeve includes screw thread, is rotated around inner sleeve by making front sleeve, and the screw thread and cooperation setStandby upper matching thread is engaged, so as to set up electrical connection.
Alternatively, the inner sleeve is electrically connected to the front sleeve by the tactile circle of elasticity, and elasticity touches the outer wall elasticity of circle partiallyThe inwall of front sleeve is pressed, elasticity touches the outer wall of the inwall fexible bias pressure inner sleeve of circle.
Alternatively, the inwall interference fit of the leading section of the outer wall of the rear end of the inner sleeve and the after sleeve.
Alternatively, the first sealing ring is disposed between front sleeve and inner sleeve, its stop from the chamber of coaxial connector toThe elasticity touches the communication path between circle；And the second sealing ring is disposed between front sleeve and after sleeve, it stops from outerPortion's environment touches the communication path between circle to the elasticity.
Alternatively, the rear end of the inner sleeve forms the conical section of outside diverging, and the conical section has male cone (strobilus masculinus),On the inwall of the leading section of the after sleeve have protuberance, the male cone (strobilus masculinus) against the after sleeve protuberance, so as to hinderOnly inner sleeve and after sleeve depart from.
Alternatively, the conical section has inner conical surface, so as to guide cable enter the inner sleeve chamber in.
Alternatively, the male cone (strobilus masculinus) and inner conical surface form substantially 90 degree of cone angle respectively.
Alternatively, the inwall of the inner sleeve forms first conical surface that extends internally in front end, for against the exhausted of cableThe end of edge layer or screen layer；The inwall of the inner sleeve forms second conical surface for stretching out in rear end, for guiding cableScreen layer or insulating barrier enter chamber in.
Alternatively, the after sleeve is provided with fixed part, and it is configured to lock the cable under the lock-out statePosition, and allowed under the released state cable through the coaxial connector chamber.
Alternatively, the after sleeve includes stationary part and moving part, wherein, stationary part is relative to the inner sleeveStatic, moving part can axially move relative to inner sleeve, and the moving part includes fixed part, and the fixed part is constructedIt is deformable segment, when the after sleeve is subject to axial compressive force, the moving part is moved axially in the first direction, causes instituteState deformable segment to extend towards the axis of the cable, so as to lock cable.
Alternatively, when the deformable segment extends towards the axis of cable, the deformable segment wedges the cableProtective layer and/or screen layer.
Alternatively, the deformable segment is annular, and with V-arrangement cross section, when by acting in the first directionDuring power, undeformed deformable segment deforms, and two bottom is drawn close toward each other, in its top wedging cable, so thatBy cable locking in the chamber；It is deformable after deformation when the active force by the edge second direction opposite with first directionPart is not deformed, and two bottom keeps bringing together, and its top is kept in wedging cable, so as to allow cable from chamberPulled out in room.
Alternatively, the coaxial connector also includes housing, and the after sleeve is plugged in the chamber of the housing, housing it is interiorWall is provided with drive division, for driving the moving part of after sleeve in the first direction or second direction is moved axially.
Alternatively, at least part of of front sleeve, inner sleeve and after sleeve is made up of brass material.The elasticity touches circle extremelySmall part is made up of SWPB materials.At least part of of the housing is made up of polyformaldehyde material.
Coaxial connector according to embodiments of the present invention provides all many advantages.On the one hand, the inwall of inner sleeveThe screen layer of contact cable being may be constructed such that, thus, in use, can only need in advance cable to be carried out to measure very much less to addWork, the protective layer for such as peeling off the part of cable is exposed screen layer, and then cable is inserted directly into connector, makes inner sleeveCylinder contact screen layer.In this operation, it is not necessary to which the matching relationship between the structure and/or connector and cabling of connector is enteredRow especially operation, thus quick grafting cable can be realized.
On the other hand, the inwall of after sleeve can also be configured to contact the screen layer of cable, thus, in use, behaviourMake personnel can according to the actual requirements to peel off screen layer carry out flange operation, will screen layer dig and be wrapped in neighbouring, then be inserted directly into cable in connector by the periphery of cable protection layer, and the after sleeve for then activating connector deforms, fromAnd cause after sleeve to contact screen layer.Relative to the operation being in the prior art wrapped in screen layer on the outer wall of inner sleeve, thisThis operation of invention is still that easily, thus still can realize quick grafting cable.
Another aspect, relative to the coaxial connector of prior art, the length of the inner sleeve in connector of the invention compared withIt is short because eliminate inner sleeve for receive screen layer cladding part, therefore, it is possible to effectively control accessory size andCost.
Another further aspect, the mode of grafting cable can be selected, for example, can select using the inwall and/or rear enclosure of inner sleeveThe inwall contact screen layer of cylinder, and can for example select that whether the screen layer of cable is carried out to dig operation and which kind of is carried out to turn overOperation is played, therefore, the invention provides the matching relationship of the connector and cabling of plurality of optional, so as to facilitate operator according to realityBorder situation carries out multiple diversity operation.
According to another aspect of the present invention, there is provided a kind of cable assembly, the component is included according in preceding claimsOne described in coaxial connector and cable, the cable include auxiliary section, connecting portion and base portion, wherein, the auxiliary sectionWith exposed center conductor, the center conductor is located in the chamber of the front sleeve；The connecting portion has exposed screenLayer is covered, the screen layer makes electrical contact with the inwall of the inner sleeve at least in part；The periphery of the base portion is protective layer, describedThe deformable segment of after sleeve wedges the protective layer.
Alternatively, the screen layer at least in part with the inwall interference fit of the inner sleeve.
Alternatively, the screen layer in the whole length of the inner sleeve with the inwall interference fit of the inner sleeve.
According to another aspect of the invention, there is provided a kind of cable assembly, the component is included according in preceding claimsCoaxial connector and cable described in one, the cable include auxiliary section, connecting portion and base portion, wherein, the auxiliary section toolThere is exposed center conductor, the center conductor is located in the chamber of front sleeve；The connecting portion has exposed insulating barrier；InstituteThe part for stating the neighbouring connecting portion of base portion has the screen layer being coated on beyond protective layer, and the screen layer is attached to the exhausted of connecting portionEdge layer, the screen layer makes electrical contact with the inwall of the after sleeve at least in part, the wedge of the deformable segment of the after sleeveEnter the protective layer.
Alternatively, the screen layer at least in part with the inwall interference fit of the after sleeve.
Alternatively, at least some wedgings screen layer of the deformable segment of the after sleeve, then wedges the guarantorSheath.
Alternatively, the screen layer extends the wall to be formed perpendicular to screen layer axis towards connecting portion, the wall and instituteState the rearward end electrical contact of inner sleeve.
According to another aspect of the present invention, there is provided a kind of assemble method of coaxial connector, the method includes：
- front sleeve is provided；
- rear sealing ring is arranged in the rearward recess of front sleeve in the first direction；
- the tactile circle of elasticity is arranged in the further groove of front sleeve along the second direction opposite with the second direction；
- in a second direction by the chamber of inner sleeve insertion front sleeve so that in the inward flange of front sleeve is substantially contactedThe outer wall of sleeve, the inwall that the preceding mating surface of the inner sleeve touches circle with the elasticity is contacted, on the front end of the inner sleeveCambered surface is relative with the forward recess of the front sleeve, and the rear mating surface of the inner sleeve is relative with the rearward recess of front sleeve；
- after sleeve is moved along the first direction, the inwall of the leading section of after sleeve is matched somebody with somebody with the rear mating surface interference of inner sleeveClose, also, through the elastic deformation of sealing ring later, the front flange of after sleeve is placed between rear sealing ring and inward flange；
- housing is socketed on the outer wall of after sleeve in the first direction, to cause that housing is attached to rear enclosure by attachmentThe middle part of cylinder.
According to another aspect of the present invention, there is provided a kind of assemble method of coaxial connector, the method includes：
- front sleeve is provided；
- in the first direction by the leading section of the after sleeve of attachment housing is plugged to the rear end of front sleeve in advance, wherein, warpThe elastic deformation of the rear sealing ring by being previously placed in rearward recess so that the front flange of leading section is placed in rear sealing ring and interiorBetween flange；
- in a second direction by the chamber of inner sleeve insertion front sleeve so that the preceding mating surface of inner sleeve is substantially contactedThe inward flange of front sleeve, also, rear mating surface and the after sleeve of inner sleeve leading section (34) interference fit, wherein, advance clothPut the elasticity in further groove and touch the inwall of circle against preceding mating surface (171), preceding sealing ring of the pre-arranged on inner sleeve (2)(61) receive in forward recess (121)；
- made to form conical section at inner sleeve (2) rearward end by means of anti-riveting instrument, the male cone (strobilus masculinus) of conical section is along firstDirection biases the leading section of after sleeve.
In accordance with a further aspect of the present invention, there is provided a kind of method for installing cable assembly, it includes：
- processing cable, make it include auxiliary section with exposed conductor and auxiliary section adjoining with exposed shieldingThe base portion with protective layer of the connecting portion of layer and adjacent connecting portion, wherein, the length of connecting portion (C02) is substantially equal toThe length of the chamber of the inner sleeve of coaxial connector；
- such that the coaxial connector is in released state；
- cable is inserted the chamber of coaxial connector along the first direction from the plug wire end of coaxial connector, makeConnecting portion screen layer the chamber for being at least partially into the inner sleeve, and with its inwall interference fit；
- promote the moving part of after sleeve of coaxial connector to be moved towards inner sleeve in the first direction, it is coaxial to causeConnector reaches lock-out state, wherein, the deformable segment of the after sleeve deforms, so as to the edge on the protective layer of base portionCircumferencial direction applies normal force.
In accordance with a further aspect of the present invention, there is provided a kind of method for installing cable assembly, it includes：
- processing cable, make it include auxiliary section with exposed conductor and auxiliary section adjoining with exposed shieldingThe base portion with protective layer of the connecting portion of layer and adjacent connecting portion, wherein, the length of connecting portion (C02) is substantially equal toThe length of the chamber of the inner sleeve of coaxial connector；
- the exposed screen layer is oriented at least partially in base portion in a second direction digs, and make its at least part ofBe coated on base portion protective layer periphery；
- such that the coaxial connector is in released state；
- cable is inserted the chamber of coaxial connector along the first direction from the plug wire end of coaxial connector, makeObtain the chamber for being at least partially into the inner sleeve of connecting portion；
- promote the moving part of after sleeve of coaxial connector to be moved towards inner sleeve in the first direction, it is coaxial to causeConnector reaches lock-out state, wherein, multiple deformable segments of the after sleeve deform, wherein, it is a part of deformablePart along the circumferential direction applies normal force, another part deformable segment edge on the protective layer of base portion on the screen layer dugCircumferencial direction applies normal force.
Specific embodiment
The invention provides a kind of coaxial connector, it includes front sleeve 1, and it is electrically connected to cooperating equipment；Inner sleeve 2,It is plugged in front sleeve 1, and is electrically connected to front sleeve；After sleeve 3, it is socketed in the outside of inner sleeve 2, and be operable as fromReleased state is changed to lock-out state.In released state, it is allowed to which cable passes freely through the chamber of coaxial connector；In locking shapeState, after sleeve 3 causes cable to be fixed relative to coaxial connector.Advantageously, coaxial connector according to embodiments of the present invention is insertedWhen connecing cable, the screen layer of cable optionally contacts the inwall of inner sleeve 2 or the inwall of after sleeve 3.Especially, when adoptingWhen contacting the inwall 22 of inner sleeve 2 with the screen layer of cable, can be operated by simple grafting and realize cable and connectorConnection, so as to realize quick grafting.
Fig. 2 to Fig. 4 shows an embodiment of coaxial connector of the invention.As illustrated, front sleeve 1 is including outerWall 11 and inwall 12, inwall 12 define front sleeve chamber 13.Inner sleeve 2 includes outer wall 21 and inwall 22, and inwall 22 defines inner sleeveBarrel chamber room 23.After sleeve 3 includes outer wall 31 and inwall 32, and inwall 32 defines after sleeve chamber 33.Front sleeve chamber 13, inner sleeveChamber 23 and after sleeve chamber 33 can all be cylindrical, and its respective axis coincides with the axis X of coaxial connector.It is optionalGround, chamber 13 to 33 can use other suitable shapes.In this embodiment, inner sleeve 2 is socketed in front sleeve 1 and after sleeveIn 3 chamber 13,33 so that foregoing three chambers 13,23,33 communicate with each other, so as to constitute the chamber J1 of coaxial connector.
Coaxial connector J of the invention can be changed between released state and lock-out state.As shown in Fig. 2Released state, cable C can pass freely through chamber J1, for example, arrive at position through chamber J1 from the plug wire end J2 of connector J sidesIn the abutting end J3 of connector opposite side.In lock-out state, as shown in figure 3, the locking cable C in chamber J1 is by after sleeve3 fix, so as to keep fixing relative to coaxial connector J.
Lock-out state is the working condition that coaxial connector is electrically connected with cable and cooperating equipment.Wherein, the center of cable CConductor C1 is electrically connected at abutting end J3 with the respective inner conductors of cooperating equipment, so as to set up continuous signal and/or powerTransmission path.For example, center conductor can be by the center of attachment means and the cable being plugged in another coaxial connectorConductor is electrically connected.The screen layer C3 of cable C be directly and/or indirectly electrically connected to inner sleeve 2, then with electrical contact inner sleeve 2Front sleeve 1 make electrical contact with, so as to set up continuous electromagnetic shielding.Usual and cooperating equipment the corresponding outer conductor of front sleeve 1 is electrically connectedConnect, for example, being made electrical contact with the front sleeve 1 of another coaxial connector with by attachment means.Therefore, coaxial connector J be inCable in its chamber J1 provides continuous electromagnetic shielding, so as to ensure that the electric signal transmitted in center conductor is not believed by the external worldNumber interference.On the other hand, because cable keeps fixing relative to after sleeve and connector, cable and connector are ensured thatBetween consolidate mechanical connection and electrical connection, so as to ensure that the stability of signal.
The structure and its annexation of front sleeve 1, inner sleeve 2, after sleeve 3 are illustrated below in conjunction with accompanying drawing 2-4.For convenienceDescription, defines two opposite directions in each accompanying drawing, as shown in arrow A and B, both direction is parallel to coaxial connector J'sAxis X.Unless otherwise indicated, the term " preceding " and " afterwards " in expression direction and orientation are defined as what arrow A and B was extended respectivelyDirection, represents that direction and the term " outward " and " interior " in orientation are defined to deviate from and the direction towards axis X respectively.Above-mentioned direction andDirectional terminology does not limit design of the invention.
Embodiments in accordance with the present invention, the front end of front sleeve 1 is provided with abutting end 14, and it is used for corresponding to cooperating equipmentOuter conductor is electrically connected, to provide the electromagnetic shielding for cable C.Alternatively, as shown in Fig. 2 abutting end 14 is provided in inwallInternal thread on 12, the internal thread can coordinate with the corresponding external screw thread on cooperating equipment, to realize reliability therebetweenMechanical engagement and electrical connection.Alternately, abutting end 14 can use other suitable forms, such as convex with cooperating equipmentPlay the elastic metallic ring of clamping.In accordance with the embodiments illustrated, by front sleeve 1 around the outer wall 21 of inner sleeve 2 rotation, interior spiral shellLine 14 and the external screw thread for coordinating are connected.Furthermore it is possible to be provided for driving front sleeve 1 to revolve on the outer wall 11 of front sleeve 1The drive division 15 for turning, the e.g. protuberance with annular knurl, or suitable for the regular hexagonal section of conventional die nutOperating surface.
Embodiments in accordance with the present invention, inner sleeve 2 is arranged in the chamber 13 of front sleeve 1.Alternatively, front sleeve 1 is interiorThe circular inner ledge 124 extended towards axis X can be set on wall 12, to rest substantially against the outer wall 21 of inner sleeve 2, so thatSubstantially limit the radial position of inner sleeve 2.During rotation front sleeve 1, need to keep steady between front sleeve 1 and inner sleeve 2Fixed electrical connection.Therefore, front sleeve 1 and inner sleeve 2 can partly be made of an electrically conducting material, and front sleeve 1 inwall12 outer walls 21 that inner sleeve 2 can be contacted with sliding friction.Additionally and preferably, it is provided with bullet between front sleeve 1 and inner sleeve 2Property touch circle 7, the elasticity touch circle 7 radially bias front sleeve inwalls 12 and inner sleeve outer wall 21 so that ideally holding beforeElectrical connection between sleeve 1 and inner sleeve 2.In this case, tighten after front sleeve 1, rotated against tightening direction22.5 °, electrical connection is kept between front sleeve 1 and inner sleeve 2.Elasticity is touched circle 7 and can be made up of SWPB materials.
In this above-mentioned situation, elasticity touches circle 7 can be by the inwall 12 of front sleeve 1 and/or the outer wall 21 of inner sleeve 2Groove receive.For example, as shown in Fig. 2 being provided with the further groove 122 of annular in inwall 12, its shape and size is arranged toElasticity can be received and touch circle 7, wherein, the outer wall for touching circle 7 is elastically biased toward the bottom surface of further groove 122, and touches the inwall elasticity of circle 7Corresponding preceding mating surface 271 on the outer wall 21 of ground bias inner sleeve 2.Further groove 122 limit elasticity touch circle 7 relative to prothecaThe axial location of cylinder 1 is small so as to tactile circle 7 when front sleeve 1 is rotated, can be driven to occur along the outer wall 21 of inner sleeve 2Translational motion.
As Figure 2-3, elasticity is touched circle 7 and is contained in by the further groove 122 of front sleeve 1, intermediate flange 124 and inner sleeve 2Preceding mating surface 271, the reception space E that is surrounded of anterior lip 24 in.If impurity, moisture etc. are entered into the space,Can then cause to touch the pollution and corrosion enclosed, so as to influence signal quality, and then reduce the service life of connector.Therefore, according toEmbodiments of the invention, are respectively equipped with a sealing ring 61,62, for reality between inner sleeve 2 and front sleeve 1 and after sleeve 3Now to the sealing in the space.The sealing ring 61 and 62 is made up of rubber, including preceding sealing ring 61 and rear sealing ring 62.This, can be provided with two annular grooves on the inwall 12 of front sleeve 1, as be separated with the front and back of further groove 122Forward recess 121 and rearward recess 123.The front side of the anterior lip 24 of inner sleeve 2 is provided with semi-open cambered surface 241, the He of cambered surface 241Forward recess 121 cooperates with sealing ring 61 before receiving and fixing.The leading section 34 in the front of after sleeve 3 is provided with the concave surface of annular341, the loop concave 341 and rearward recess 123 cooperate with sealing ring 62 after receiving and fixing.The size difference of sealing ring 61 and 62More than forward recess 121 and rearward recess 123, so that after it is respectively arranged in place, there is elastic deformation in sealing ring 61, so as to hinder shelvesTo the path of reception space E from connector chamber J1, there is elastic deformation in sealing ring 62, so as to stop from external environment condition to connecingReceive the path of space E.Thus, it is possible to substantially reduce the impurity into reception space E, moisture and moisture, at the same also prevent impurity,Moisture and moisture etc. enter in cable screen layer C3, so as to extend the service life for touching 7 and cable C of circle.
Additionally, sealing ring 61,62 additionally aids the axial location of constraint inner sleeve 2 and after sleeve 3 relative to front sleeve 1,Wherein inner sleeve 2 and after sleeve 3 interference fit at rear mating surface 172.As in Figure 2-4, the rear inner side of preceding sealing ring 61 is supportedThe anterior lip 24 of inner sleeve 2, so as to prevent inner sleeve 2 and after sleeve 3, relative to front sleeve 1, A is moved in the first direction.AfterwardsAgainst the anterior lip 342 of after sleeve 3 on the inside of before sealing ring 62, so as to prevent inner sleeve 2 and after sleeve 3 relative to front sleeve 1Moved along the second direction B opposite with first direction A.Thus, when front sleeve 1 coordinates in position with cooperating equipment by screw threadAfterwards, after sleeve 3 and inner sleeve 2 also keep fixing in the axial direction.As mentioned below, inner sleeve 2 or after sleeve 3 are used to fix cableLine C, so cable C is in position also relative to cooperating equipment, it may thereby be ensured that stabilization and can between cable and cooperating equipmentThe mechanical connection for leaning on and electrical connection.
Embodiments in accordance with the present invention, structure such as Fig. 4 of inner sleeve 2 and shown.The leading section 24 construct radially toThe flange 24 of outer extension.The side of the direction A of flange 24 is provided with the annular cambered surface 241 that can receive sealing ring 61.MakeDuring, the cambered surface 26 and forward recess 121 cooperate, so that the first annular space that can receive preceding cushion rubber 61 is formed, shouldAnnular space has opening in the side of direction A, the diameter of the size less than sealing ring 61 of the opening.Sealing ring 61 passes throughElastic deformation can through the opening and enter into first annular interior volume, so as to against the first groove 121 side wall andCambered surface 26.In this case, when inner sleeve 2 is subject to the axial force along direction A, the axial force can be by the cambered surface241 are transferred to front sleeve 1 via sealing ring 61, thus, prevent inner sleeve 2 from being moved along direction A relative to front sleeve 1.
Further, the rearward end 25 of inner sleeve 2 is disposed through after sleeve 3 and is interacted with rear sealing ring 62.ToolFor body, as Figure 2-3, recessed mating surface 341 is formed on the outer wall of the leading section 34 of after sleeve 3, before mating surface 341Side is provided with the annular front flange 342 for extending radially outwardly, and rear side is provided with the rear wall for extending radially outwardly, and the two cooperation is used toCushion rubber 62 after reception.On the one hand, the rearward recess 123 of the mating surface 341 and front sleeve 1 cooperates, and is formed for being sealed after receptionSecond annular space of circle 62.When sealing ring 62 it is received in rearward recess 123 when, front flange 342 can along the movement of direction ATo force sealing ring 62 to deform, thus allow front flange 342 move to sealing ring 62 and front sleeve 1 inward flange 124 itBetween, then, the elastic recovery of rear sealing ring 62 is preventing after sleeve 3 along the movement of direction B.On the other hand, the rearward end of inner sleeve 225 nearby include rear mating surface 272, and rear mating surface 272 is used for the inwall interference fit with the leading section 34 of after sleeve 3.ThisIn the case of, when inner sleeve 2 is subject to the axial force along direction B, the axial force can be matched somebody with somebody by the interference in the mating surface 272Conjunction is transferred to the leading section 34 of after sleeve 3, then is transferred to sealing ring 62 via front flange 342, so as to be transmitted via rearward recess 123To front sleeve 1, thus, inner sleeve 2 and after sleeve 3 is prevented to be moved along direction B relative to front sleeve 1.
Alternatively, the end of the rearward end 25 of inner sleeve 2 can be bent outwardly through an operation for being referred to as " anti-riveting ", be formedConical portion 25 ', as shown in Figure 4.Conical portion 25 ' forms the inner conical surface on male cone (strobilus masculinus) 251 and inwall on outer wall252.As illustrated, the cone angle of the shown conical surface can be substantially 90 degree.Obviously, other suitable cone angles are also optional.At thisIn the case of kind, the inwall of the leading section 34 of after sleeve 3 protrudes a height inwardly, and the rear mating surface 272 of inner sleeve 2 is relative to precedingMating surface 271 is inwardly recessed a distance, so as to form a wall 273 between forward and backward mating surface, as Figure 2-3.Thus,The leading flank of leading section 34 can be against the wall 273, and side is inclined along direction A by the male cone (strobilus masculinus) 251 of inner sleeve 2 thereafterPressure, thus, wall 273 and male cone (strobilus masculinus) 251 cooperate and are fixed with by the leading section 34 of after sleeve 3, so as to strengthen inner sleeve 2 and rear enclosureMechanical coupling strength between cylinder 3.In use, the leading section 34 of after sleeve 3 is first socketed in the rear mating surface of inner sleeve 2On 272, and against wall 273, the rear end 25 for then forcing inner sleeve 2 using special anti-riveting instrument forms tapered segment 25 ',So as to realize the connection of the two.Additionally, anti-riveting operates the inner conical surface 252 to be formed guiding cable C can be aided in enter inner sleeve barrel chamberIn room 23.
Alternatively, on the inwall 22 of inner sleeve 2, the of the cone-shaped angled relative to axis X can be setOne guide surface 28 and the second guide surface 29.First guide surface 28 is arranged at front end 24, and it is from inwall 22 towards direction A and directionAxis X extends, so that the diameter at front end 24 of chamber 23 reduces.First guide surface 28 contributes to against cable cable C'sShielding part or insulation division, make it from being projected into beyond inner sleeve 2, such that it is able to limit the depth that cable C inserts connector chamberDegree.Second guide surface 29 is arranged near rearward end 25, and it prolongs from the centre position direction B of inwall 22 and away from axis XStretch, so that enlarged-diameter of the chamber 23 at rearward end 25.Second guide surface 29 can be used to guide cable C insertion chambers 23It is interior, the resistance of smaller insertion cable C.
According to the present invention, after sleeve 3 includes cooperative end part 34 and fixed part 36,38, wherein, fixed part is used for fixation and is located atCable C in 3rd chamber 33.Fixed part can be capable of the arbitrary structures of fixing cable C using other, such as positioned at after sleeve 3Wall on set screw hole and matched holding screw etc..According to Fig. 2-3 illustrated embodiments, fixed part is that pliability becomesThe part of shape, can be specifically the multiple V-shaped parts with V-arrangement cross section, and two ends of each V-shaped part set verticallyPut, the lug boss of V-arrangement is set towards axis.So, when two ends of V-shaped part are subject to be axially toward intermediate projections portionDuring active force, the deformable segment can deform, i.e., even contact is drawn close in two ends, while intermediate projections portion is towards axleLine is moved, so as to apply fastening force on the outer wall of the cable C being arranged in chamber 33.
Alternatively, Fig. 2 shows to be provided with two such V-shaped parts 36,38 in after sleeve 3, wherein, the first V-shaped part36 front end is connected to cooperation leading section 34 by anterior 35, and its rear end is connected to the second V-shaped part 38, second by middle part 37The rear end of V-shaped part 38 is connected to free end 39.So, leading section 34, anterior 35 are coordinated to constitute the stationary part of after sleeve 3,It is i.e. static relative to inner sleeve 2；V-shaped part 36,38, middle part 37 and free end 39 constitute the moving part of after sleeve 3, i.e., relativelyIt is axially movable in inner sleeve 2.Whether loading is undergone according to deformable segment and is deformed, after sleeve 3 there can be two states,Non- stress state i.e. as shown in Figure 2, its released state for limiting coaxial connector；And stress state as shown in Figure 3, itsLimit the lock-out state of coaxial connector.In loading, i.e., it is subject to along the axially driving of direction A on the moving part of after sleeve 3Power, so as to be subjected to displacement along direction A, causes deformable segment 36,38 that bending deformation occurs, i.e. the centre of the V-shaped part is convexRise towards central axis X and move a distance, thus, the never stress state of after sleeve 3 switches to stress state.In use, whenBy A in the first direction active force when, undeformed deformable segment 36,38 deforms, and two bottom is toward each otherDraw close, its top is wedged in cable C, so as to cable C is locked in chamber J1；When the active force by B in a second direction,Deformable segment 36,38 after deformation does not deform, and two bottom keeps bringing together, and its top keeps wedging cable CIn, so as to allow that cable C is pulled out from chamber J1.Alternatively, the first deformable segment 36 is constructed with and is less thanThe rigidity of the second deformable segment 38, to cause in loading procedure, the first deformable segment 36 is prior to the second variable part 38Deformation.Thus, during using deformable segment fixing cable C, it can be advantageous to avoid the first deformable segment 36 and secondThe deformation of deformable segment 38 is interfered, and each to cause damage to it, thus improves the fixation to cable C.Therefore,The thickness of the thickness less than the second deformable segment 38 of the first deformable segment 36 can be for example set, or can be by appropriateHeat treatment causes that the material of the first deformable segment 36 is more softer than the material of the second deformable segment 38.
In stress state, if cable C is arranged in the 3rd chamber 33, the deformable segment 36,38 after deformation can be withPeriphery along cable applies the confining force of normal direction to cable.On the one hand this confining force keeps cable not move radially,On the other hand essentially coincide the central axis of cable C and the axis X of the 3rd chamber 33, another further aspect, due to deformable segment36th, during 38 medial surface can wedge the sheath/screen layer of cable, such that it is able to keep cable C not move axially.SeparatelyOutward, alternatively, in order to keep the fixation of deformable segment, holding meanss can be set thereon, it is variable for preventingSpontaneously reply after a deformation shape part.Optionally as well, the deformation of deformable segment is operated for convenience, can also be at itUpper setting actuation means, can drive the moving part of after sleeve 3 to move in the axial direction, to cause by driving the actuation meansDeformable segment deforms.
According to an alternative embodiment of the invention, coaxial connector assemblies can also include housing 4, and it is used to surround after sleeve3 and it is operable as driving and keeping deformable segment 36,38.Housing 4 includes outer wall 41 and inwall 42, and inwall 42 defines housingChamber 43, the housing cavity 43 is used to receive at least part of of after sleeve 3.The rear end of housing 4 is also included from inwall 41 towards axleThe termination section 44 that line X extends, the termination section 44 is used for against the free end 39 of after sleeve 3, as Figure 2-3.
In the released state of the coaxial connector shown in Fig. 2, the inwall 42 of housing 4 is attached to the outer wall 31 of after sleeve 3,The middle part 37 of after sleeve 3 is for example attached to by attachment 45, on the one hand can avoid housing 4 undesirably from after sleeve 3Slip away, another aspect housing 4 can also drive the part of after sleeve 3 to move by attachment 45, so as to cause deformable partDivide deformation.Alternatively, the attachment 45 can be provided in the hangnail 45 on the outer wall at middle part 37.It is contemplated that other canSo that inner walls 42 are attached to the structure and/or part of rear enclosure drum outer wall 31.
Moved axially along direction A by drive shell 4, the never stress state of after sleeve 3 can be caused to change to lock-out state.During drive shell 4, housing 4 is moved relative to front sleeve 1 along A directions, wherein, inwall 41 can be via foregoing attachment portion 45Drive the center section 38 of after sleeve 3 to be moved along direction A, meanwhile, the termination section 44 of housing 4 against and promote the freedom of after sleeveMoved along direction A at end 39.In addition, during drive shell 4, after sleeve 3 anterior 35 relative to the remains stationary of inner sleeve 2, withEnable that after sleeve 3 receives the reaction force from inner sleeve 2 and/or front sleeve 1.So as to by drive shell 4, rear enclosureThe deformable segment 36,38 of cylinder 3 is subject to active force from housing 4 and anti-from inner sleeve 2 and/or front sleeve 1 simultaneouslyActive force, therefore, deformable segment 36,38 deforms.Active force for drive shell 4 can come from the manual of operatorOperating physical force, or the instrument or the active force of equipment that are used from operator.
Fig. 3 shows the lock-out state of coaxial connector, wherein, after sleeve 3 be in stress state, deformable segment 36,38 have been deformed sufficiently.Alternatively, deformable segment 36,38 can be made up of plastic deformation material, i.e. deformable segment 36,38 can inherently maintain its deformation state after deformation, without replying, so as to stably keep the position of cable.At thisIn the case of kind, without setting the structure for being additionally utilized for suppressing the reply of inner sleeve 3 on housing 4, so that its structure is simplified.AndAnd, the middle part 37 of inner sleeve 3 is attached to due to housing 4, by the way that along direction B drive shells, the deformable part of inner sleeve 3 can be madeThe state divided before returning back to deformation, i.e. coaxial connector assemblies return back to released state as shown in Figure 2, to allow to dismantle cableLine.Therefore, coaxial connector assemblies can be used for multiple times, so as to realize repeatedly fixing or dismantling cable.Additionally optionally, may be usedCrushed element can also be made up of elastic deformation material, i.e. can inherently return back to shape before deformation after deformable segment deformationState, the advantage of this setting allows deformable segment to realize more deformation and reply, so that the use longevity of inner sleeve 3Life is extended.At this point it is possible to set extra attachment before the inwall 42 of static anterior 35 of after sleeve 3 and housing 4Portion.After housing 4 is moved in place, attachment keeps front portion 35 and housing 4 not to be moved, so that it is guaranteed that deformable segment is becomingThere is no resilience after shape, it is ensured that coaxial connector is securely fixed the position of cable in the locked state.It is alternatively possible toHangnail is set at after sleeve 3 anterior 35, so as to after proper housing 4 is moved in place, prevent housing 4 relative to anterior 35 along directionB is replied.Additionally, the attachment forces between housing 4 and anterior 35 can be arranged on suitable degree, so that proper user needsDuring dismounting cable, need to only apply appropriate power to housing 4, so that it may so that front portion 35 and housing 4 are separated, so that after sleeve3 reply non-stress state, and thus, coaxial connector returns back to released state.So, coaxial connector can be reused.
Above-mentioned front sleeve 1, inner sleeve 2 and after sleeve 3 can be made up of conductive metallic material at least in part, to be formedRequired conductive path.Alternatively, these parts all can be made up of brass material.On the other hand, housing 4 can at least portionDivide ground to be made up of insulating materials, for example, be all molded by acetal plastic.Housing 4 is manufactured instead of brass using plastics,The consumption of copper material can be reduced, so that cost-effective.Meanwhile, plastics can also provide preferably corrosion-resistant anti-for coaxial connectorShield, so as to increase the service life.
The assemble method according to coaxial connector J of the present invention, its knot for comprising the following steps are described below in conjunction with Fig. 5-6Close：
1) front sleeve 1 is provided；
2) rear sealing ring 62 is arranged in the rearward recess 123 of front sleeve 1 along direction A；
3) elasticity is touched into circle 7 along direction B to be arranged in the further groove 122 of front sleeve 1；
4) during inner sleeve 2 to insert the chamber 13 of front sleeve 1 along direction B so that the inward flange 124 of front sleeve 1 is substantiallyThe mating surface of inner sleeve 2 is contacted, the preceding mating surface 271 of inner sleeve 2 is located at the front side of inward flange 124 and touches circle 7 with elasticityInwall is contacted, also, the cambered surface 241 of inner sleeve 2 and the forward recess 121 of front sleeve 1 are relative, the rear mating surface of inner sleeve 2 272In the rear side of inward flange 124 and relative with rearward recess 123；
5) preceding cushion rubber 61 is arranged in forward recess 121 along direction B, and against cambered surface 241；
6) after sleeve 3 is moved along direction A, makes the inwall of the leading section 34 of after sleeve 3 and the rear mating surface 272 of inner sleeve 2Interference fit, also, allow front flange 342 to be located at rear sealing ring 62 and inward flange by the elastic deformation of rear sealing ring 62Between 124；
7) housing 4 is socketed on the outer wall 32 of after sleeve 3 along direction A, to cause that housing 4 is attached at by attachment 45The middle part 37 of after sleeve 3.
The above method is not limited to be carried out according to order above.For example, step 2) and step 3) order canTo exchange, the purpose of the two is that cloth postpones sealing ring 62 and the tactile circle 7 of elasticity is in place.Step 3) and order 4) can exchange,The purpose of the two is to arrange that inner sleeve 2 and after sleeve 3 are in place.
Alternatively, it is respectively advance with the rearward recess 123 and further groove 122 of after sleeve 3 in sealing ring 62 and the tactile circle 7 of elasticityIn the case of coordinating/connecting, step 2 can be saved) and 3).Step 4) purpose be to arrange that inner sleeve 2 is in place, wherein, it is interiorFlange 124 rests substantially against the preceding mating surface 271 of inner sleeve 2, and substantially limits its radial position.Step 5) purpose beSealing ring 61 is in place before arrangement, and partly limits the axial location of inner sleeve 2 whereby, is moved along direction A with limiting it.It is optionalGround, in the case of the cooperation/connection in advance of preceding sealing ring 61 and reception cambered surface 26, can save step 5), and in step 3) inPreceding cushion rubber 61 is set to receive in forward recess 121.Step 6) purpose be to arrange that after sleeve 3 is in place, and part limits inner sleeveThe axial location of cylinder 2, is moved with limiting it along direction B.Alternatively, in the case where housing 4 has been attached to after sleeve 3 in advance,Step 7) can omit.
Alternatively, after after sleeve 3 is in place relative to the step of inner sleeve 2, anti-riveting operation can be performed.Specifically, profitThe rearward end 25 for making inner sleeve 2 with instrument extends out deformation, to form conical section as shown in Figure 4.Therefore, male cone (strobilus masculinus) 251 is supportedIt is abutted against the leading section 34 of sleeve 3 after touch, so as to prevent after sleeve 3 from being moved along direction B relative to inner sleeve 2, in other words, prevents interiorSleeve 2 is moved relative to after sleeve 3 along direction A.Alternatively, in the abutting contact front sleeve 1 of front flange 342 of after sleeve 3In the case of flange 124, and then inner sleeve 2 is prevented to be moved along direction A relative to front sleeve 1.Advantageously, this anti-riveting operation canWith relative position more securely between limitation inner sleeve 2 and after sleeve 3.In addition, the inner conical surface 252 for being formed can also be usedIn guiding cable insertion, to reduce the resistance of grafting cable.Alternatively, the inner conical surface can form the cone angle of substantially 90 degree.
Construct and be suitable to what the anti-riveting instrument for processing the conical section will readily occur to those skilled in the art.For example, the instrument for being used can be the cylindrical member that one end has sphere, it is sized to insertion after sleeve chamber 33, and be suitable toAct on the rear end 25 of inner sleeve 2, so that it is changed into the conical section with certain cone angle.
Based on discussed above, the assemble method of coaxial connector J according to another embodiment of the present invention is given below, itsComprise the following steps：
1 ') front sleeve 1 is provided；
2 ') leading section 34 of the after sleeve 3 of pre-attached housing 4 is plugged to the rear end 16 of front sleeve 1 along direction A, itsIn, the rear sealing ring 62 in arrangement rearward recess 123 undergoes elastic deformation in advance, to cause that the front flange 342 of leading section 34 is located atAfterwards between sealing ring 62 and inward flange 124；
3 ') during inner sleeve 2 to insert the chamber 13 of front sleeve 1 along direction B so that the preceding mating surface 271 of inner sleeve 2 is basicThe inward flange 124 of upper contact front sleeve 1, also, the rear mating surface 272 of inner sleeve 2 matches somebody with somebody with the interference of abutting end 34 of after sleeve 3Close, wherein, the elasticity being previously placed in further groove 122 touches the inwall of circle 7 against preceding mating surface 171；Pre-arranged is in inner sleeve 2On preceding sealing ring 61 receive in forward recess 121；
4 ') made to form conical section, the male cone (strobilus masculinus) 252 of conical section at the rearward end 25 of inner sleeve 2 by means of anti-riveting instrumentThe leading section 34 of after sleeve is biased along direction A.
Compared to preceding method, this assemble method is more convenient, quick, and can obtain more structurally sound in structureCoaxial connector assemblies.
By above-mentioned assemble method, the coaxial connector assemblies J in released state as shown in Figure 2 can be obtained,Wherein the deformable segment 36,38 of after sleeve 3 is in undeformed state.By promoting housing 4 along direction A relative to front sleeve 1It is mobile, or promote front sleeve 1 to be moved relative to housing 4 along direction B, as shown in Figure 3 being in the lock state can be obtainedThe deformable segment 36,38 of coaxial connector assemblies, wherein after sleeve 3 is in deformation state.The coaxial connector of lock-out stateComponent can lock the position of cable C in a chamber, so that it is guaranteed that cable reliably makes electrical contact with coaxial connector.
According to an aspect of the present invention, coaxial connector J and cable C cooperatively form cable assembly D.Wherein, it is coaxially connectedDevice J is as described above.As be known in the art, cable C includes being located at the conductor C1 at center, is coated on conductor C1 peripheriesInsulating barrier C2, the screen layer C3 for being coated on insulating barrier C2 peripheries and it is coated on the protective layer C4 of screen layer C3 peripheries.UseIn, it is necessary to operated to the profile of cable C, screen layer C3 is electrically connected to front sleeve 1 by inner sleeve 2, due to front sleeve 1The respective conductors of cooperating equipment are electrically connected to by abutting end 14, so that, coaxial connector J can provide continuous to cable CElectromagnetic shielding.Specifically, cable C is processed includes auxiliary section C01, connecting portion C02 and base portion C03, wherein, auxiliary section C01 toolsThere is exposed conductor C1, it is used to be electrically connected with the respective conductors of cooperating equipment；Connecting portion C02 has exposed screen layer C2,It is used to selectively directly or indirectly be electrically connected to inner sleeve 2；Base portion C03 keeps original profile of cable.
Fig. 5 shows the first embodiment of cable assembly D1, wherein, the chamber for being approximately equal to the length to inner sleeve 2 of connecting portion C02The length of room 23.The interference fit of inwall 22 of at least part of and inner sleeve 2 of the exposed screen layer C3 on connecting portion C02, withSo that screen layer C3 and inner sleeve 2 reliably make electrical contact with.Alternatively, screen layer C2 along chamber 23 whole length and the mistake of inwall 22It is full of cooperation.The strained deformable segment 36,38 of after sleeve 3 along the circumferential direction applies method on the protective layer C4 of base portion C03Xiang Li, so that fixing cable C, and cause that the axis of cable C and the axis of coaxial connector J overlap.Base portion C03 and connecting portionSide C04 between C02 is against the rear end 25 of inner sleeve 2.
Correspondingly, according to another aspect of the present invention, comprised the following steps for installing cable assembly D1 methods：
A) process cable C, make it include the auxiliary section C01 with exposed conductor C1, adjacent auxiliary section C01 with nakedThe base portion C03 with protective layer C4 of the connecting portion C02 of the screen layer C3 of dew and adjacent connecting portion C02, wherein, connecting portionThe length of C02 is substantially equal to the length of the chamber 23 of inner sleeve 2；
B) coaxial connector J in released state of the invention is provided；
C) cable C is inserted the chamber J1 of coaxial connector J along direction A from the plug wire end J2 of coaxial connector J so that evenThe chamber 23 for being at least partially into inner sleeve 2 of the screen layer C3 of socket part C02, and with its interference fit of inwall 22；
D) moving part for promoting after sleeve 3 along direction A is moved towards front sleeve 1, to cause that coaxial connector J reaches lockDetermine state, wherein, the deformable segment 36,38 of after sleeve 3 deforms, so that on the protective layer C4 of base portion C03 circumferentiallyDirection applies normal force.
In the method, alternatively, in step c), plug wire end J2 can be the opening of the rear end of housing 4, also,In step d), moved towards front sleeve inner sleeve 2 by promoting housing 4, so that coaxial connector J reaches lock-out state.
Alternatively, the screen layer C3 of connecting portion C02 passes in succession through the inner conical surface 251, guide surface of inner sleeve 2 in step c)In 29 chambers 23 for entering inner sleeve 2.Then, the side that the rearward end 25 of inner sleeve 2 is connected between portion C02 and base portion C03Wall C04, so that cable is arranged in place in the axial direction.
Alternatively, in step d), after the moving part of after sleeve 3 is in place, moving part is attached by attachment arrangementTo the stationary part of after sleeve 3, so as to keep after sleeve 3 to be in deformation state, and then the fixation to cable C is kept.
Fig. 6 shows the second embodiment of cable assembly D2, wherein, the chamber for being approximately equal to the length to inner sleeve 2 of connecting portion C02The length of room 23.From unlike aforementioned first embodiment, the screen layer C3's of connecting portion C02 is at least partly configured to along sideDug to B, and be coated on the periphery of the protective layer C4 of neighbouring base portion C03.Alternatively, the screen layer C3 of connecting portion C02It is configured to be dug along direction B completely, and is coated on the periphery of the protective layer C4 of neighbouring base portion C03.In this case,Side C04 between base portion C03 and connecting portion C02 is covered by screen layer C3.Herein, on the one hand, strained the of after sleeve 3One deformable segment 36 along the circumferential direction bias described in the screen layer C3 that is coated on protective layer C4, to cause that screen layer C3 electricity connectsThe inwall 32 of sleeve 3 after touch, due to inner sleeve 3 inwall 32 part interference fit to inner sleeve 2 rear mating surface 272, instituteInner sleeve 2 is electrically connected to screen layer C3 indirectly.Alternatively, as shown in fig. 6, the screen layer being covered on the C04 of sideC3 is configured as the rearward end 25 against inner sleeve 2, and screen layer C3 can be electrically connected with directly contact inner sleeve 2, and then improvement wherebyConnect.On the other hand, strained first deformable segment 36 is circumferentially square on the protective layer C4 of base portion C03 via screen layer C3To normal force is applied, strained second deformable segment 38 directly along the circumferential direction applies on the protective layer C4 of base portion C03Normal force, so that the axially and radially position of cable C is fixed, and the axis of cable C and the axis of after sleeve 3 overlap,As shown in the axis X of Fig. 5.
Correspondingly, comprised the following steps for the second embodiment for operating cable assembly D2 methods：
A ') processing cable C, it included the auxiliary section C01 with exposed conductor C1, abutted having for auxiliary section C01The base portion C03 with protective layer C4 of the connecting portion C02 of exposed screen layer C3 and adjacent connecting portion C02, wherein, connectionThe length of portion C02 is substantially equal to the length of the chamber 23 of inner sleeve 2,
B ') the exposed screen layer C3 is oriented at least partially in base portion C03 digs, and it is wrapped at least in partThe periphery of the protective layer C4 of base portion C03 is overlayed on,
C ') the coaxial connector J in released state of the invention is provided；
D ') by cable C along direction A from the chamber J1 of the plug wire end J2 of coaxial connector J insertion coaxial connector J so thatThe chamber 23 for being at least partially into inner sleeve 2 of connecting portion C02；
E ') promote the moving part of after sleeve 3 to be moved towards front sleeve 1, to cause that coaxial connector J reaches locking shapeState, wherein, the deformable segment of after sleeve 3 deforms, and wherein at least one deformable segment is on the screen layer C3 for diggingAlong the circumferential direction apply normal force.
In the method, alternatively, in step a ') in, the length of the shielding part C3 for being dug is equal to the length of connecting portion C02Degree.Additionally optionally, length of the length of the screen layer C3 for being dug more than connecting portion C02, in this case, can be according to evenSpacing between the insulating barrier C2 of socket part C02 and the inwall 22 of inner sleeve 2, carrys out operation shield layer C3 in the outside of connecting portion C02Unnecessary one layer is overlapped into, so as to realize the interference fit between connecting portion C02 and inner sleeve 2.By this arrangement, operating personnelArrangements of the screen layer C3 on the outside of cable C can be selected according to the actual size of cable C and connector J.
Alternatively, in step d ') in, all deformable segments 36,38 are along the circumferential direction applied on the screen layer C3 for diggingPlus normal force.Or alternatively, after sleeve 3 has two deformable segments 36,38, wherein, the first of neighbouring connecting portion C02 canCrushed element 36 along the circumferential direction applies normal force after deforming on the screen layer C3 for digging；Away from connecting portion C02 second canCrushed element 38 along the circumferential direction applies normal force on the protective layer C4 of base portion C03.
In addition, the side C04 between connecting portion C02 and base portion C03 can be covered by screen layer C3, in the insertion cable phaseBetween, cable C is moved until covering the screen layer C3 of side C04 against the rearward end 25 of inner sleeve 2 along direction A.
It should be understood that described above is not intended to limit construction of the invention.For example, above-described embodiment and/or its is eachAspect can be used with combination with one another.In addition, many changes can be made to be applicable special condition for the teachings of the present inventionOr material, without deviating from its scope.Quantity and the position of the size of each part shown in this article, material, orientation and each partIt is intended to limit the parameter of specific embodiment, it limits design of the invention never in any form, and is only exemplary embodiment.On the basis of with reference to foregoing description, to those skilled in the art, within the design of the scope of claimsMany other embodiments and modification are obvious.Therefore, it should with reference to appended claims and its whole models of equivalentsEnclose to determine the scope of the present invention.