Electric connector and electric connector combinationTechnical field
The present invention relates to a kind of electric connector, more particularly to a kind of electric connector and electric connector combination.
Background technology
The electric connector combination that a kind of existing two electric connectors with same configuration are mutually connected with group, for example,Person disclosed by U.S. Patent No. US6851954 (correspondence Chinese patent CN03133150.5), and the U.S.Person disclosed by patent the US5098311st.
Wherein, the terminal of the electric connector of No. US6851954 exposure of U.S. Patent No. is single-cantilever beam type,When two electric connectors are docked, a contact point is only provided between docking terminal, due to this type electric connectorOn numbers of terminals it is a lot, easily produce the bad chance of some termination contacts, cause to connect the mistake of signalEffect.
And the terminal of the electric connector of No. US5098311 exposure of U.S. Patent No. is also single-cantilever beam type, whenWhen two electric connectors are docked, although have two contact points between docking terminal, but two contact points all existOn hanging elastic arm.Because the two-terminal of docking is deposited except being likely to result in size and shape in forming processIn some differences, deviation, therefore the bullet of the two-terminal of docking may also be produced by being installed on the position of insulation shellPower might have difference, when the positive contact force of one of contact point is more than the forward direction of another contact pointDuring contact force, the difference of positive contact force may separate that weak contact point, or outside someSeparate that weak contact point under boundary's factor (such as vibrations, temperature) or intermittently, cause letterNumber transmission unstable disturbing factor.
The content of the invention
Therefore, one of purpose of the invention, that is, be to provide a kind of end that can be with butt-jointed electric connectorThe electric connector that son is steadily contacted.
Therefore, another object of the present invention, that is, be to provide a kind of electric connector of two same configurationsTerminal can stablize docking electric connector combination.
Then, electric connector of the present invention in some embodiments, includes an insulation shell and multiple terminals.The insulation shell has a wall body and multiple terminal grooves for being formed at the wall body, and each terminal groove is in a docking sideTo with a first end and one second end, and the wall for defining the terminal groove be formed with one it is adjacent thisOne first depressed part of one end, second depressed part at adjacent second end, and one between this first depressionSupport convex between portion and second depressed part.Multiple terminals are respectively arranged on multiple terminal grooves,Each terminal has a fixed part, an elastic arm and an afterbody, and the elastic arm has to be bent by the fixed partExtension a kink, one connection the kink and cross the butting section of the support convex, one connection this supportRelying part and the springing part extended toward second extreme direction, and one be connected to the springing part end and towards adjacentThe contact site of docking groove protrusion, and the springing part and the contact site can be towards the second depressed part resilient movements.
In some embodiments, two inflection points of kink formation of each terminal.
In some embodiments, the fixed part of each terminal is abutted against in corresponding first depressed part.
In some embodiments, the elastic arm of each terminal is crossed after the support convex again micro- towards deviate shouldSecond depressed part direction deviation simultaneously extends toward second extreme direction.
In some embodiments, the afterbody of each terminal is bent by the fixed part right angle and extended, and is hadOne sets the solder side of soldered ball.
In some embodiments, to be also formed with one first recessed by this for each wall for defining the terminal grooveThe inclined-plane that the portion of falling into gradually is inside contracted toward the first end, to aid in soldered ball to position.
Then, electric connector combination of the present invention in some embodiments, be comprising two same configurations andTo the electric connector being mutually connected with group, each electric connector includes an insulation shell and multiple terminals.The insulationShell has multiple elongated wall bodies arranged in parallel, multiple docking grooves between multiple wall bodies, andMultiple terminal grooves for being formed at multiple wall bodies, each terminal groove has a first end in an abutting directionAnd one second end, and it is formed with the one first recessed of an adjacent first end in the wall for defining the terminal grooveFall into portion, second depressed part at adjacent second end, and one between first depressed part and this second depressionSupport convex between portion.Multiple terminals are respectively arranged on multiple terminal grooves, and each terminal hasOne fixed part, an elastic arm and an afterbody, the elastic arm and the afterbody are connected in the abutting directionThe fixed part two ends, the fixed position is in the first depressed part of corresponding end pilot trench, and the afterbody is close to corresponding endThe first end of pilot trench, it is curved that the elastic arm connects this with the kink by fixed part bending extension, oneSimultaneously cross what the butting section of the support convex, the connection butting section and past second extreme direction extended in folding partSpringing part, and one be connected to the springing part end and the contact site protruded towards adjacent docking groove, and the bulletDynamic portion and the contact site can be towards the second depressed part resilient movements.Two electric connector is mutual with wall body and rightAccess slot with respect to grafting, and two electric connector terminal it is one-to-one be in contact, and the relative two-terminal connectContact site is butted at the elastic arm adjacent bend portion of interfaced terminal respectively.
In some embodiments, two inflection points of kink formation of each terminal.
In some embodiments, the fixed part of each terminal is abutted against in corresponding first depressed part.
In some embodiments, the elastic arm of each terminal is crossed after the support convex again micro- towards deviate shouldSecond depressed part direction deviation simultaneously extends toward second extreme direction.
In some embodiments, the insulation shell of each electric connector being somebody's turn to do between every two-phase adjacency pair access slotWall body formation is respectively communicated with two row's terminal grooves of two docking groove.
In some embodiments, the afterbody of each terminal is bent by the fixed part right angle and extended, and is hadOne sets the solder side of soldered ball.
In some embodiments, to be also formed with one first recessed by this for each wall for defining the terminal grooveThe inclined-plane that the portion of falling into gradually is inside contracted toward the first end, to aid in soldered ball to position.
In some embodiments, the insulation shell of each electric connector also has the parallel multiple wall bodiesAnd positioned at the contraposition wall of the side of multiple wall bodies, also formed between the contraposition wall and the adjacent wall bodyOne docking groove, and the contraposition wall has the positioning of multiple spaced apart and each comfortable abutting direction extensionGroove, and determining for multiple locating slots is corresponded to respectively farthest away from formation on the outside of the wall body of the contraposition wall is multiplePosition rib, with when two electric connector is mutually connected with group by mutual locating slot position relative with positioning rib.
The present invention at least has following effect：Elastic arm by each terminal has kink, can not onlyThere is provided elastic arm higher elasticity, increase durability, when long-time is in the deformation state after contact notFatiguability is deformed, and can be in elastic arm stress and dispersive stress during elastic displacement, and elastic arm is close to pairDuring the second depressed part elastic displacement answered, it is resisted against at kink in support convex, using the teaching of the invention it is possible to provide rightReliable and stable positive contact force between the terminal connect.Furthermore, it is relative to connect when two electric connectors are dockedTwo-terminal two contact points of formation, and two positions that are in contact both correspond to each elastic arm against support convexPlace, and reliable and stable contact positive force between the terminal docked can be provided, thereby ensure that and dock terminal energyIt is enough to maintain stably to electrically connect.
Brief description of the drawings
The other features and effect of the present invention, will clearly be presented in embodiment referring to the drawings,Wherein：
Fig. 1 is a three-dimensional exploded view of an embodiment of electric connector combination of the present invention；
Fig. 2 is a side view exploded view of the embodiment, illustrates the opposite joining relation of two electric connectors；
Fig. 3 is a stereogram of the embodiment, illustrates a wherein electric connector；
Fig. 4 is an incomplete stereogram of the embodiment, illustrates the assembled relation of terminal and insulation shell；
Fig. 5 is an incomplete three-dimensional exploded view of the embodiment, illustrates the terminal groove of terminal and insulation shell；
Fig. 6 is the side view diagram of the terminal of the embodiment；
Fig. 7 is an incomplete sectional view of the embodiment, illustrates the assembled relation of terminal and insulation shell；
Fig. 8 is an incomplete stereogram of the embodiment, illustrates the arrangement mode of terminal；
Fig. 9 is a stereogram of the embodiment；
Figure 10 is Fig. 9 regional area enlarged drawing；
Figure 11 is a stereogram of the embodiment, illustrates the mated condition of two electric connectors；
Figure 12 is an incomplete sectional view of the embodiment, illustrates that the docking of the terminal of two electric connectors is closedSystem；And
Figure 13 is a view for being similar to Fig. 7, illustrates another form of implementation of the terminal of the embodiment.
Wherein, description of reference numerals is as follows：
100 electric connectors
1 insulation shell
11 wall bodies
111 positioning ribs
12 docking grooves
13 terminal grooves
131 first ends
132 second ends
133 first depressed parts
134 second depressed parts
135 support convex
136 interference groove portions
137 inclined-planes
14 contraposition walls
141 locating slots
2 terminals
21 fixed parts
211 interference projections
22 elastic arms
221 kinks
221a inflection points
222 contact sites
223 butting sections
224 springing parts
23 afterbodys
231 solders side
232 soldered balls
3 circuit boards
D abutting directions
Embodiment
Before the present invention is described in detail, it shall be noted that in the following description content, similar elementIt is to be represented with being identically numbered.
Refering to Fig. 1 to Fig. 3, an embodiment of electric connector combination of the present invention includes two same configurationsAnd the electric connector 100 to be mutually connected with group, the two electric connectors 100 are to be respectively welded in an electricityRoad plate 3.
Each electric connector 100 includes an insulation shell 1 and multiple terminals 2.The insulation shell 1 has multipleElongated wall body 11 arranged in parallel, multiple docking grooves 12 between these wall bodies 11, and multiple shapesInto in the terminal groove 13 of these wall bodies 11.In the present embodiment, insulation shell 1 also have one it is parallel theseWall body 11 and positioned at the contraposition wall 14 of the side of these wall bodies 11, the contraposition wall 14 and the adjacent wallAlso a docking groove 12 is formed between body 11, and the contraposition wall 14 has multiple spaced apart and each leisureThe locating slot 141 of one abutting direction D extensions, and farthest away from the outside shape of wall body 11 of the contraposition wall 14Into multiple positioning ribs 111 for corresponding to these locating slots 141 respectively, with mutual in the two electric connectors 100By mutual locating slot 141 and positioning rib 111 with respect to position when being connected with group.In addition, being connect per two-phase adjacency pairThe wall body 11 formation between groove 12 is respectively communicated with two row's terminal grooves 13 of the two docking grooves 12, andThe wall body 11 of positioning rib 111 is formed with only in the side shape terminal groove in a row towards the contraposition wall 1413。
Refering to Fig. 4 to Fig. 7, each terminal groove 13 has a first end 131 and one in abutting direction DSecond end 132, and it is formed with the one of an adjacent first end 131 in the wall for defining the terminal groove 13Second depressed part 134 at adjacent second end 132 of the first depressed part 133, one, and one is first recessed between thisThe support convex 135 fallen between portion 133 and second depressed part 134.
Separately coordinate again refering to Fig. 8, these terminals 2 are respectively arranged on these terminal grooves 13.Each terminal 2 hasThere are a fixed part 21, an elastic arm 22 and an afterbody 23.The elastic arm 22 and the afterbody 23 are in this pairMeet direction D and be connected to the two ends of fixed part 21.The fixed part 21 is located at corresponding end pilot trench 13First depressed part 133, first end 131 of the afterbody 23 close to corresponding end pilot trench 13.The elastic arm 22The kink 221 is connected with the kink 221, one that extension is bent by the fixed part 21 and crosses thisThe butting section 223, one of support convex 135 connects the butting section 223 and prolonged toward the direction of the second end 132The springing part 224 stretched, and one be connected to the end of springing part 224 and protruded towards adjacent docking groove 12Contact site 222, and the springing part 224 and the contact site 222 can be towards the elasticity shiftings of the second depressed part 134It is dynamic.In the present embodiment, the fixed part 21 has multiple interference projections 211 protruded toward both sides (see figure5), and insulation shell 1 define each terminal groove 13 two relative walls be formed with correspondence house these interferenceThe inwall interference of the interference groove portion 136 of projection 211, these interference projections 211 and interference groove portion 136,So that terminal 2 is fixed on insulation shell 1.In the present embodiment, the fixed part 21 of each terminal 2 abut against inAbutted against at corresponding first depressed part 133, and the adjacent kink 221 of elastic arm 22 in corresponding supportConvex portion 135.By the kink 221 is added in elastic arm 22, can to provide elastic arm 22 higherElasticity, and increase durability, when long-time is in the deformation state after contact, indefatigability is deformed；AndAnd the two inflection point 221a of formation of kink 221 of each terminal 2, can be in the stress of elastic arm 22 and bulletDispersive stress is to reduce stress concentration during property displacement, and elastic arm 22 is close to corresponding second depressed partDuring 134 elastic displacement, the part of butting section 223 is resisted against in support convex 135 that there is provided terminal 2Another fulcrum during elastic deformation, using the teaching of the invention it is possible to provide the reliable and stable forward direction between the terminal 2 of docking connectsTouch.The afterbody 23 of each terminal 2 is bent by the right angle of fixed part 21 to be extended, and sets weldering with oneThe solder side 231 of ball 232.As shown in Fig. 8,12, the terminal 2 of each both sides of wall body 11, or positionTwo row's terminals 2 in both sides in each docking groove 12, wherein the terminal 2 of a row is relative to another rowTerminal 2 is in oppositely arranged to 180 degree rotation with upper and lower axle, and makes the contact site 222 of two row's terminals 2 allProtruded towards groove 12, that is to say, that each terminal 2 can be of similar shape and construct.Refering to figure7th, Fig. 9 and Figure 10, in the present embodiment, each wall for defining the terminal groove 13 are also formed with oneThe inclined-plane 137 gradually inside contracted from first depressed part 133 toward the first end 131, to aid in soldered ball232 positioning.As shown in Figure 10, positioned at the both sides of wall body 11 the bottom of terminal groove 13 inclined-plane 137 with phaseAnti- direction is tilted, and the bottom surface of insulation shell 11 constitutes such as trapezoidal projection shape between two terminal grooves 13.
Refering to Fig. 1,2,11 and Figure 12, the two electric connectors 100 are mutually with wall body 11 and docking groove12 relative grafting, and this two electric connector 100 terminal 2 it is one-to-one be in contact, and relative two ends connectThe contact site 222 of son 2 is butted on the butting section being located at support convex 135 of interfaced terminal 2 respectively223.As shown in figure 12, two positions that are in contact of the two-terminal 2 of docking both correspond to each elastic arm 22Against at support convex 135, and reliable and stable contact positive force between the terminal 2 of docking can be provided,Thereby ensure that docking terminal 2 is able to maintain that stably to electrically connect.
Be another form of implementation of terminal 2 refering to Figure 13, it is illustrated that dotted line be vertical direction imaginary line,The elastic arm 22 of each terminal 2 is crossed micro- towards deviation second depressed part 134 again after the support convex 135Direction deviation and toward the direction of the second end 132 extension, can make the elastic arm 22 of terminal 2 have in docking compared withBig elastic deformation, further improves the contact positive force after docking.
In summary, there is kink 221 by the elastic arm 22 of each terminal 2, bullet can not only be providedProperty the higher elasticity of arm 22, increase durability, long-time in contact after deformation state when be difficult it is tiredLabor is deformed, and can be in the stress of elastic arm 22 and dispersive stress during elastic displacement, and elastic arm 22 is close toDuring corresponding second depressed part, 134 elastic displacement, support convex 135 is resisted against at kink 221On, using the teaching of the invention it is possible to provide the reliable and stable positive contact force between the terminal of docking.Furthermore, two electric connectorsDuring 100 docking, the relative two-terminal 2 that connects forms two contact points, and two positions that are in contact are both corresponded toEach elastic arm 22 can provide reliable and stable between the terminal 2 of docking connect against at support convex 135Positive force is touched, thereby ensures that docking terminal 2 is able to maintain that and stably electrically connects.
But described above, only embodiments of the invention, when implementation of the present invention can not be limited with thisScope, every simple equivalence changes made according to claims of the present invention and patent specification contentWith modification, all still remain within the scope of the patent.