A kind of anti-loose bus ductTechnical field
The present invention relates to electric appliance spare and accessory parts, more particularly, to a kind of anti-loose bus duct.
Background technique
Modern high-rise building and large-scale workshop need huge electric energy, and in face of hundreds and thousands of peaces needed for this huge loadThe powerful electric current of training will select reliable transmission equipment, and bus-bar system is to select well.Bus duct system is a heightThe power distribution equipment of effect conveying electric current, is especially suitable for the needs of higher and higher building and large-scale plant economical rationality wiring.
Currently, the use environment of bus duct is generally in liftoff several meters of high regions.It is thermally deformed or device in bus ductIn the case where there is shake, the electrical socket that plug is easy will be installed in bus duct is loosened, and connection is caused to fail, and is influencedThe normal production in workshop.
For this reason, it is necessary to be improved to existing bus duct.
Summary of the invention
The bus duct knot that the purpose of the present invention is to provide one kind can prevent plug from falling off, guarantees route effectively connectsStructure.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of anti-loose bus duct, including several segments bus duct ontology, bus duct ontology are equipped with plug, bus ductElectrical socket is equipped in ontology, plug and electrical socket, which are worked in coordination, realizes electrical connection；Particularly, plug is equipped with towards electric mortiserThe connector of seat side is equipped with the elastic component for reset between connector and plug；Bus duct ontology be equipped withThe plug button hole that connector is worked in coordination；When plug is docked with electrical socket, connector and plug button hole are formed and are buckledConnection.
The principle of the present invention is as follows:
This bus duct uses sectional design, and the length of each section of bus duct can be depending on the actual demand of user.Pass throughConnector is set on plug, and plug can be realized with bus duct ontology and be snapped connection, and plug and bus duct sheet are madeBody is completely embedded.More traditional plug and electrical socket matching design, even if this bus duct is from several meters of falling from high altitude, plug is stillEffective connection with electrical socket can be kept, greatly ensure that the reliability of route.And by the design of elastic component, user can forceConnector is mobile toward plug side, is detached from connector and plug button hole, to extract plug.Meanwhile being based on bulletThe design of property part, after plug is pulled out electrical socket, connector resets under the action of the elastic member.
Connection to guarantee connector and plug button hole is effective, and connector may include buckle ontology, and the buckle is originallyBody has extended to form snap block towards the side of electrical socket toward far from plug direction, and the snap block is equipped with for guiding cardButton ontology buckles into the guiding surface in plug button hole；The snap block passes through in the plug button hole and is connected to the bus ductOn ontology.
To guarantee that it is safe that this bus duct uses, what plug was connected equipped with the electric wire pin being connected to power supply and with ground wireEarth pin, the height of earth pin are higher than the height of electric wire pin.In this way, when plug is inserted into or is pulled away electrical socket, groundAlways earlier than (insertion)/be later than, (by pulling away), electric wire pin is connect with electrical socket for line pin and electrical socket, and plug is made to be poweredIt is grounded always in the process.Secondly, being equipped with the ground connection female terminal for connecting earth pin in electrical socket, ground connection female terminal is close to femaleThe side of wire casing inner body wall is extended with grounding elastic slice；When earth pin insertion ground connection female terminal, in elastic slice and bus duct ontologyWall abuts to form ground connection.By the grounding design in electrical socket, this bus duct realizes inner ground design, is incorporated into this busExternal cord grounding design outside slot, this bus duct are able to achieve the insurance design of double ground connection, plug are effectively ensured and is being poweredGround connection connection in the process.
This bus duct when in use, for monitoring and keying line state, can select one in the electric wire being located in bus ductItem is as signal transmssion line.It since the surface of electric wire pin can generally be coated with coating, is chronically under hot environment, coating is easyIt aoxidizes and leads to plug and electrical socket poor contact, influence signal transmission, passed in this regard, can be equipped in electrical socket with for signalThe wire socket clip that defeated electric wire matches, the wire socket clip include two pieces of clip pieces for being used for clip electric wire pin,Two clip pieces are oppositely arranged, and the inner wall of an at least clip piece is provided with multiple convex blocks.In this way, with the electricity that is transmitted for signalAfter the corresponding electric wire pin of line is inserted into the wire socket clip, the convex block for being set to clip piece inner wall can scratch electric wire pinThe coating on surface enables clip piece and the inner metal layer of electric wire pin to be directly connected, it is ensured that signal transmission stabilization, avoid becausePoor contact and the case where lead to signal transmission failure.
This bus duct uses sectional design, and the length of each bus duct has several meters long.In order to guarantee adjacent bus ductEffectively, bus duct ontology is equipped with the connecting hole for snapping bus duct attachment base for connection；It can be embedding between adjacent bus duct ontologyConjunction has bus duct attachment base, which includes the connecting male and connection base in split-type design；Connecting maleInterior to be equipped with several grafting male terminals, connecting male is equipped with male seat and buckles block, several and grafting public affairs are equipped in connection baseThe grafting female terminal that terminal matches, connection base are equipped with base and buckle block, and male seat buckle block and base buckle block are placed inIt can slide axially in connecting hole and along bus duct ontology, male seat buckle block, base buckle block are snapped connection with connecting hole respectively.
The connecting male and connection base of each bus duct attachment base are embedded in the inside of bus duct ontology, so that being connected with each otherBus duct between have enough supports, and because the buckle block of connecting male and connection base is slidably connected to bus duct ontologyConnecting hole in, heated in bus duct ontology, when the mutual distending of adjacent bus duct ontology, adjacent bus duct ontology can phaseIt mutually stands away and guarantees that the buckle block of bus duct attachment base still snaps onto corresponding connecting hole simultaneously, make adjacent motherWire casing ontology keeps connection, avoids the failure of junction.
This bus duct attachment base is designed using split-type, and connecting male and connection base are respectively embedded into corresponding bus duct sheetIn vivo, it is convenient for connection.And it is the effective connection for guaranteeing connecting male and connecting base, interlocking chamber is equipped in connecting maleThe bottom of interlocking chamber is arranged in room, grafting male terminal；It connects base and is equipped with the insertion interlocking indoor chimeric block of chamber, grafting is femaleTerminal is set in chimeric block and axially penetrates through chimeric block along grafting male terminal.Chimeric block with connect base and set for integral typeMeter, chimeric block insertion interlocking chamber in, may make connecting male and connect base between connection more closely, grafting male terminalAfter being inserted into grafting female terminal, the two connection the case where being not in Joint failure, avoid because of connecting male and the company for connecting baseIt connects bad and leads to line fault, security risk brought by route fever.In addition, the grafting female terminal may include for wrapping upThe port block of the grafting male terminal, the port block are surrounded by several pieces of resilient electrical contact pieces and are formed, adjacent spring electric contact pieceBetween be equipped with gap；Under non-inserting state, the internal diameter of the port block is less than the outer diameter of the grafting male terminal；When grafting male terminal withWhen grafting female terminal is connected to each other, the grafting male terminal is circumferentially elastic by the resilient electrical contact piece in interfaced port blockIt pushes open, forms elasticity interference fit, can be further ensured that grafting male terminal and the connection of grafting female terminal are effective.
It is also provided with elastic slice on two opposite lateral walls of chimeric block, is equipped with elastic slice in interlocking chamber and chimeric blockOn the corresponding side wall in lateral wall position then be equipped with shell fragment groove, male seat buckle block be setting where shell fragment groove on side wall and and elastic sliceThe inside of slot is connected；Raised edge is also formed on elastic slice；When connection base and connecting male are mutually inserted relatively, elastic slice is placed in elastic sliceIt is squeezed in slot and by male seat buckle block elasticity, the raised edge of elastic slice is butted on male seat buckle block.In this way, connecting male and connectionBase is fastened to each other by the elasticity interference fit of elastic slice and shell fragment groove, assembles very convenient.
For the leakproofness for guaranteeing bus duct, bus duct ontology is made of wire casing shell and upper cover plate, and wire casing shell includes bottomPanel and two are vertically to the side panel of bottom panel setting, and lid extended on the inside of oriented wire casing shell is all provided on two side panelsPlate inserting groove；The two sides of upper cover plate are embedded in fixed in the cover board inserting groove.And in actual production, bus duct ontology has numberRice is long, and the length of upper cover plate is too long to be unfavorable for worker assembles' bus duct, for this purpose, cover board inserting groove may include upper slot eaves and lower slotThe length of eaves, lower slot eaves towards extension on the inside of wire casing shell is greater than the upper slot eaves；Upper cover plate may include upper cover plate ontology and positionIn upper cover plate ontology two sides and thickness is less than the plug division of upper cover plate ontology；Plug division towards the edge of wire casing shell-side be arcFace；It is installed in plug division insertion cover board inserting groove.
This bus duct is in the very high use environment of environment temperature, if electric wire is likely to result in electric wire in bus duct contactInsulating layer melts, and naturally there are security risks for this.For this purpose, can be equipped in the bus duct ontology of this bus duct can make internal wire outstandingSky is arranged in the intrinsic layout block of bus duct, and the layout block is made of high-temperature insulation material.
The present invention has many advantages, such as to prevent plug from falling off, guarantees that route effectively connects, is highly-safe.
Detailed description of the invention
Fig. 1 is the schematic diagram of median generatrix slot of the embodiment of the present invention；
Fig. 2 is the diagrammatic cross-section of median generatrix slot of the embodiment of the present invention；
Fig. 3 is the partial enlarged view of A in Fig. 2；
Fig. 4 is the partial enlarged view of B in Fig. 3；
Fig. 5 is the schematic diagram of median generatrix slot ontology of the embodiment of the present invention；
Fig. 6 is the partial enlarged view of C in Fig. 5；
Fig. 7 is the schematic diagram of median generatrix slot attachment base of the embodiment of the present invention；
Fig. 8 is the schematic diagram of connecting male in the embodiment of the present invention；
Fig. 9 is the schematic diagram that base is connected in the embodiment of the present invention；
Figure 10 is the partial enlarged view of D in Fig. 9；
Figure 11 is the cooperation schematic diagram of plug and electrical socket in the embodiment of the present invention；
Figure 12 is the schematic diagram of plug in the embodiment of the present invention；
Figure 13 is the schematic diagram of electrical socket in the embodiment of the present invention；
Figure 14 is the schematic diagram of clip piece in the embodiment of the present invention.
Description of symbols: 1- bus duct ontology；2- wire casing shell；3- upper cover plate；4- bottom panel；5- side panel；6- connectionHole；7- cover board inserting groove；The upper slot eaves of 8-；Slot eaves under 9-；10- upper cover plate ontology；The plug division 11-；12- arcwall face；13- bus ductAttachment base；14- connecting male；15- connection base；16- rabbets chamber；17- grafting male terminal；18- guide groove；19- shell fragment groove；20- male seat buckles block；21- connection female seat body；22- base buckles block；23- chimeric block；24- gib block；25- elastic slice；26- is convexPlay edge；27- grafting female terminal；28- resilient electrical contact piece；The gap 29-；30- plug；31- electrical socket；32- connector；33- buckles ontology；34- snap block；35- spring；36- plug button hole；37- electric wire pin；38- earth pin；39- pedestal；40-Mounting hole；41- grounding elastic slice；42- clip piece；43- convex block；44- layout block.
Specific embodiment
Invention is further explained with reference to the accompanying drawings and examples.
The bus duct as shown in Fig. 1~14 is made of multistage aluminum bus slot ontology 1, and each bus duct ontology 1 is by wire casingWhat shell 2 and upper cover plate 3 formed, wire casing shell 2 includes the side panel 5 that bottom panel 4 and two are vertically to the setting of bottom panel 4, two sidesPanel 5 is equipped with connecting hole 6, which is located at 5 both ends of side panel.In addition, being all provided with directed line on two side panels 5The cover board inserting groove 7 being extended on the inside of pot shell 2, the cover board inserting groove 7 include upper slot eaves 8 and lower slot eaves 9, lower 9 direction of slot eavesThe length extended on the inside of wire casing shell 2 is greater than the upper slot eaves 8；Upper cover plate 3 then including upper cover plate ontology 10 and is located at upper cover plate10 two sides of ontology and thickness are less than the plug division 11 of upper cover plate ontology 10；The edge of plug division 11 towards 2 side of wire casing shell is arcFace 12；Plug division 11 is embedded in install in inserting groove and fix.
It is connected and fixed between adjacent bus duct ontology 1 by the bus duct attachment base 13 in insertion bus duct ontology 1.The motherWire casing attachment base 13 is made of connecting male 14 and connection base 15, and connecting male 14 is designed with base 15 is connect for split-type,Wherein,
The outer profile of connecting male 14 and the inside of wire casing shell 2 match, and are square in connecting male 14 equipped with sectionRabbet chamber 16, the interlocking chamber 16 it is open at one end, interlocking chamber 16 bottom opposite with the opening is provided with 4 and arrangesThe grafting male terminal 17 set, meanwhile, the top inner wall of the interlocking chamber 16 is formed with two guide grooves being parallel to each other 18, embeddingIt connects 16 left and right sides inner wall of chamber and is equipped with shell fragment groove 19, be connected to outside the bottom of the shell fragment groove 19 and connecting male 14, and inShell fragment groove 19 is connected in the hole outside connecting male 14 and is then equipped with male seat buckle block 20, and male seat buckle block 20 can buckle into wire casingIn the connecting hole 6 of shell 2, snaps connection with connecting hole 6 and slide axially along bus duct ontology 1；
The connection female seat body 21 that connection base 15 matches including the inside of outer profile and wire casing shell 2 connects base sheetBody 21 is equipped with base and buckles block 22, and base buckle block 22 can buckle into the connecting hole 6 of wire casing shell 2, buckle and connect with connecting hole 6It connects and slides axially along bus duct ontology 1；The side of connection female seat body 21 towards connecting male 14 has extended to form embeddableRabbet the chimeric block 23 in chamber 16, the gib block 24 matched with guide groove 18 is equipped at the top of chimeric block 23, chimeric23 two opposite lateral walls of block are equipped with elastic slice 25, and 25 place lateral wall of elastic slice and interlocking chamber 16 are equipped with 25 slot 19 of elastic sliceSidewall locations are corresponding, are formed with raised edge 26 on elastic slice 25；When connecting base 15 and mutually relatively slotting connecting male 14, elastic slice 25 is setIt is squeezed in 25 slot 19 of elastic slice and by 20 elasticity of male seat buckle block, the raised edge 26 of elastic slice 25 is butted on male seat buckle block 20；EvenIt connects and is additionally provided with several grafting female terminals 27 matched with grafting male terminal 17 in base 15, which is set toChimeric block 23 and connection female seat body 21, and the grafting female terminal are axially penetrated through in connection base 15 and along grafting male terminal 1727 include the port block for wrapping up the grafting male terminal 17, the port block surrounded by several pieces of resilient electrical contact pieces 28 andAt equipped with gap 29 between adjacent spring electric contact piece 28；Under non-inserting state, the internal diameter of the port block is less than the grafting male endThe outer diameter of son 17；When grafting male terminal 17 and grafting female terminal 27 are connected to each other, which will be interfacedResilient electrical contact piece 28 in port block circumferentially push open by elasticity, forms elasticity interference fit.
As shown in Figure 1, bus duct ontology 1 is equipped with plug 30, and electrical socket 31 is equipped in bus duct ontology 1, electric mortiserFirst 30 and electrical socket 31 work in coordination realization electrical connection.Plug 30 is equipped with the connector 32 towards 31 side of electrical socket,The connector 32 includes buckle ontology 33, and buckle ontology 33 extends towards the side of electrical socket 31 toward far from 30 direction of plugIt is formed with snap block 34, which is equipped with for guiding buckle ontology 33 to buckle into the guiding surface in plug button hole 36.The snap block 34 is buckled into plug button hole 36 and is connected on bus duct ontology 1, is buckled and is equipped between ontology 33 and plug 30For the elastic component of reset, i.e. spring 35.The bottom of wire casing shell 2, i.e., be then equipped with and connector on the bottom of bus duct ontology 1The 32 plug button holes 36 worked in coordination.When the plug 30 is docked with electrical socket 31, the connector 32 is buckled with plugHole 36 forms and snaps connection, and is completely embedded plug 30 with bus duct ontology 1.By the design of spring 35, user can be forcedIt is mobile toward 30 side of plug together with snap block 34 to buckle ontology 33, is detached from snap block 34 and plug button hole 36, to extractPlug 30.Meanwhile the design based on spring 35, after plug 30 is pulled out electrical socket 31, connector 32 is i.e. in spring 35Under the action of reset.
Plug 30 is equipped with the electric wire pin 37 being connected to power supply and the earth pin 38 being connected with ground wire, this implementationIn example, plug 30 is three-phase and four-line plug, therefore the quantity of electric wire pin 37 is 4.As shown in figure 12, the ground wire of plug 30The height of pin 38 is higher than the height of electric wire pin 37.In this way, when plug 30 is inserted into or is pulled away electrical socket 31, plug 30Always it is grounded.
As shown in figure 13, electrical socket 31 includes pedestal 39, is equipped with 5 mounting holes 40 in the pedestal 39, each mounting hole 40 divides4 wire socket clips and 1 grounding receptacle clip as ground connection female terminal Dui Ying be installed, wherein ground connection is installedThe mounting hole 40 of socket clip, the inner wall of side opening and the opening towards bus duct ontology 1, and the ground connection being installed thereinThe side of socket clip towards the opening has extended to form grounding elastic slice 41, and the grounding elastic slice 41 is close to 2 side wall of wire casing shell, ground wireWhen the insertion ground connection female terminal of pin 38, grounding elastic slice 41 abuts to form ground connection with 2 side wall of wire casing shell, realizes and connects inside bus ductGround.In addition, adjacent bus duct ontology 1 is electrically connected by electric wire outside bus duct ontology 1, realizes ground connection outside bus duct, realizeThe insurance design of double ground connection.
When in use, for monitoring and keying line state, user generally can be in the electric wire being located in bus duct for this bus ductIt is middle select one as signal transmssion line, as shown in figure 14, be installed in mounting hole 40 and with the electric wire phase transmitted for signalCorresponding wire socket clip comprising two pieces of clip pieces 42 for clip electric wire pin 37, two clip pieces 42 are oppositely arranged,And the inner wall of an at least clip piece 42 is provided with multiple convex blocks 43.In this way, in electricity corresponding with the electric wire transmitted for signalAfter line pin 37 is inserted into the wire socket clip, the convex block 43 for being set to 42 inner wall of clip piece can scratch 37 surface of electric wire pinCoating, so that clip piece 42 and the inner metal layer of electric wire pin 37 is directly connected, it is ensured that signal transmission stabilization, avoid becausePoor contact and the case where lead to signal transmission failure.
As shown in Fig. 2, being additionally provided in the bus duct ontology 1 of this bus duct can make internal wire vacantly be arranged in bus duct sheetLayout block 44 in body 1, layout block 44 are made of high-temperature insulation material, so that electric wire be avoided directly to contact with bus duct.
What this specification was enumerated is only better embodiment of the invention, all institutes under the working principle and thinking of the inventionThe equivalent technologies transformation done, is accordingly to be regarded as protection scope of the present invention.