CN202601972U

CN202601972U - Electric connector

Info

Publication number: CN202601972U
Application number: CN 201220147919
Authority: CN
Inventors: 黄常伟; 吴永权
Original assignee: Lotes Guangzhou Co Ltd
Current assignee: Lotes Guangzhou Co Ltd
Priority date: 2012-04-10
Filing date: 2012-04-10
Publication date: 2012-12-12
Anticipated expiration: 2022-04-10

Abstract

The utility model provides an electric connector, which comprises an electric connection base, a first rocking bar and a fixing member and is used to electrically connect a chip module to a circuit board. The first rocking bar comprises two first moment arms which are oppositely arranged. Each of the two first moment arms has a clamping part, respectively. The distance between the two clamping part is slightly smaller than the width of the chip module. When the first rocking bar is in an on state, the chip module is clamped by the clamping parts. When the first rocking bar is engaged with an engagement part, the chip module is pressed by the clamping parts, thereby preventing the chip module from being directly installed into the electric connection base and avoiding damage of different degrees to a conductive terminal. In addition, a rocking bar mechanism is adopted to replace a conventional metal up-down engagement base, realizing engagement and fixing of the chip module and greatly saving the manufacture cost.

Description

Electric connector

Technical field

The utility model relates to a kind of electric connector, refers to a kind of electric connector that chip module is connected to circuit board especially.

Background technology

Existing in order to electrically connect a kind of electric connector of chip module to circuit board; General said electric connector is by the last Button Block of shaped as frame, following Button Block, and L shaped rocking bar and electric connection socket are formed, and said electric connection socket is carried on the said Button Block down and with the mode of welding and is installed on the circuit board; One end of said Button Block down articulates the said Button Block of going up; The relative other end articulates said rocking bar, inserts said chip module on said electric connection socket, and covers the said Button Block of going up earlier; Pull said rocking bar again and make the said Button Block of going up of its compacting, make shaped as frame said go up the Button Block both sides and can suppress said chip module and make itself and said circuit board reach electric connection.Because said chip module needs very strong downforce can guarantee that it has excellent electrical property and connects; Often make when said rocking bar is gone up Button Block in the closure compacting is said; Cause said Button Block two ends unbalance stress down to cause its buckling deformation that makes progress; Said electric connection socket also can cause the welding ends breaking circuit plate of said electric connection socket along with deforming because carrying is fixed on the said following Button Block, has a strong impact on the electric connection between chip module and the circuit board; In addition, and the weight of this electric connector is bigger, and upper and lower Button Block adopts the punching press of metal steel to process, and cost is also relatively expensive.

In addition, for this type electric connector, when assembling; All be to open earlier rocking bar, after will going up Button Block and opening, with the chip module said electric connection socket of directly packing into; Unavoidably the conducting terminal in the said electric connection socket is caused injury in various degree, further influence the function that is electrically conducted of electric connector.

Therefore, be necessary to design a kind of new electric connector, to overcome the problems referred to above.

Summary of the invention

To the problem that background technology faced, the purpose of the utility model is to provide a kind of electric connector, can increase the positive force of conducting terminal, ensures effective contact performance.

To achieve these goals, the utility model adopts following technical scheme:

A kind of electric connector in order to accept a chip module, is characterized in that, comprising: an electric connection socket; At least one fixture has at least one first articulated section and a buckling parts, and said first articulated section and said buckling parts are positioned at the relative both sides of said electric connection socket respectively; At least one first rocking bar is articulated in said first articulated section and is fastened on said buckling parts, and said first rocking bar comprises 2 first arm of forces that are oppositely arranged; Said 2 first arm of forces have a clamping part respectively; And the distance between the two said clamping parts is slightly less than the width of said chip module, when said first rocking bar during in opening, and the said chip module of said clamping part clamping; When said first rocking bar and said buckling parts were interlocked, said clamping part was suppressed said chip module.

Further, the arc of said 2 first arm of forces for caving inward relatively, the minimum distance of said nip between said 2 first arm of forces.

Further, said clamping part is clamped on the center line of opposite side of said chip module.

Further, said first rocking bar is provided with a linking arm away from pivot end, and said linking arm connects said 2 first arm of forces.

Further, said linking arm middle part outwards protrudes out and is provided with one first operating portion.

Further, said chip module has two be limited by portion and two compression zones.

Further, when said first rocking bar during in opening, two said clamping part clampings said two portion that is limited by.

Further, when said first rocking bar and said buckling parts were interlocked, two said clamping parts compressed said two compression zones.

Further, be articulated with one second rocking bar on the said buckling parts, said first articulated section is provided with at least one lock buckling groove, and said second rocking bar compresses said first rocking bar and is locked in the said lock buckling groove to reach buckling state.

Further, said buckling parts is provided with at least one buckle slot, and said first rocking bar is fastened in the said buckle slot to reach buckling state.

Compared with prior art; The utility model electric connector is because said first rocking bar comprises said 2 first arm of forces that are oppositely arranged, and said 2 first arm of forces have a said clamping part respectively, and the distance between the two said clamping parts is slightly less than the width of said chip module; When said first rocking bar during in opening; The said chip module of said clamping part clamping, when said first rocking bar and said buckling parts were interlocked, said clamping part was suppressed said chip module; Then avoided the said chip module said electric connection socket of directly packing into, conducting terminal has been caused injury in various degree.In addition, with endplay device replace the metal commonly use up and down Button Block realize being fastened of said chip module also practiced thrift manufacturing cost greatly.In addition; Because said first articulated section and said buckling parts are positioned at the relative both sides of said electric connection socket; And there is not direct annexation with said electric connection socket; Then rotating said first rocking bar, forcing on the said fixture and not have directly said electric connection socket to be applied any extra power, so can avoid the carrying of electric connection socket described in the prior art to be fixed in deforming on the Button Block even cause the phenomenon generation of the welding ends breaking circuit plate of said electric connection socket.

Purpose, shape, structure, characteristic and effect thereof for ease of to the utility model all can have further understanding and understanding, combine embodiment and accompanying drawing to elaborate at present.

[description of drawings]

Fig. 1 is the three-dimensional exploded view of the utility model electric connector;

Fig. 2 is the decomposing schematic representation of the said fixture of the utility model electric connector;

Fig. 3 fastens preceding schematic perspective view for the utility model electric connector;

Fig. 4 is the sketch map of the solid of the utility model electric connector after fastening;

Fig. 5 is the end view of the utility model electric connector after fastening;

Fig. 6 is the vertical view of the utility model electric connector after fastening.

The drawing reference numeral of embodiment:

Electric connector

100

?

Electric connection socket

1

?

First rocking bar

2

First pivot

21

?

First transition arm

22

?

First arm of force

23

Clamping part

230

?

Linking arm

24

?

First operating portion

25

Pressure-bearing portion

250

?

Second transition arm

26

?

Fixture

3

Through hole

30

?

First articulated section

31

?

First articulates axis hole

311

Lock buckling groove

312

?

Buckling parts

32

?

Second articulated section

33

Second articulates axis hole

331

?

Second rocking bar

34

?

Second pivot

341

Pressing part

342

?

Second arm of force

343

?

Second operating portion

344

Latch part

345

?

Backboard

4

?

Perforation

40

Chip module

5

?

Protecting sheathing

51

?

Portion is limited by

511

Compression zone

512

?

Substrate

52

?

Circuit board

6

Groove

60

?

Screw

35

?

[embodiment]

Below in conjunction with accompanying drawing and specific embodiment the utility model is described further.

See also Fig. 1 and Fig. 5, the utility model electric connector 100 comprises an electric connection socket 1, one first rocking bar 2, a fixture 3 and a backboard 4, is used to electrically connect a chip module 5 to one circuit boards 6.

See also Fig. 1, said electric connection socket 1 bottom is provided with a plurality of terminal containing slots (not shown), contains a plurality of conducting terminals (not shown) in the said terminal containing slot (not shown).

See also Fig. 1; Said first rocking bar 2 is bent to form for circular steel wire; It has 2 first pivots 21; The inner 90 ° of a bit of distances of longitudinal extension of bending of said 2 first pivots 21 outwards bend 90 ° of horizontal expansions again and form 2 first transition arms 22, and the outer end bending of said 2 first transition arms 22 forms 2 first arm of forces 23 away from said first pivot, 21 longitudinal extensions for 90 ° again.At this moment, said 2 first arm of forces 23 are for being oppositely arranged, and the arc for caving inward relatively.Said 2 first arm of forces 23 have a clamping part 230 respectively, and said clamping part 230 is in the minimum distance of 24 of said 2 first arm of forces, and the distance between the two said clamping parts 230 is slightly less than the width of said chip module 5.Further, be provided with a linking arm away from pivot end on said first rocking bar 2, promptly said 2 first arm of forces 23 are provided with the said linking arm 24 that said 2 first arm of forces 23 are coupled together away from an end of said 2 first pivots 21.Said linking arm 24 approximate mid-section positions outwards protrude out and are provided with one first operating portion 25, and said first operating portion 25 is the U type, also is provided with two pressure-bearing portions 250 on it.In the both sides of said first operating portion 25, said linking arm 24 also is provided with 2 second transition arms 26, and said 2 second transition arms 26 are oppositely arranged with said 2 first transition arms 22.Said 2 first transition arms 22, said 2 second transition arms 26 surround a shaped as frame with said 2 first arm of forces 23.In other embodiments, said first rocking bar 2 also can be other any one has shaped as frame or other geometrical form of certain chucking power.In addition, said first rocking bar 2 also can be processed by other bent material with certain elasticity and rigidity.

See also Fig. 1 and Fig. 2, the frame shape structure that said fixture 3 perhaps is one of the forming for two made separation members of metal material.Said fixture 3 comprises one first articulated section 31 and a buckling parts 32, and said first articulated section 31 and said buckling parts 32 lay respectively at the relative both sides of said electric connection socket 1, are assembled on the said circuit board 6.Be arranged with two through holes 30 respectively on said first articulated section 31 and the said buckling parts 32.In present embodiment, said first articulated section 31 has 2 first of bending forming and articulates axis holes 311, said 2 first articulate axis holes 311 one of them lateral margin be provided with a lock buckling groove 312.It is required to look concrete condition, quantitatively also can establish two or more said lock buckling grooves 312, or other correct position setting has other hook groove of snap action.In other embodiments, also can only use one said first to articulate axis hole 311, have one or more said lock buckling grooves 312 on it.In addition, the position and the quantity that said through hole 30 are set on said first articulated section 31 and said buckling parts 32 also are determined on a case-by-case basis.

See also Fig. 1 and Fig. 2, said buckling parts 32 comprises one second articulated section 33 and one second rocking bar 34 that articulates on it.Be arranged with 2 second on said second articulated section 33 and articulate axis hole 331, further, said two through holes 30 promptly are to be located on said second articulated section 33.Said second rocking bar 34 is the L shape; Have 2 second pivots 341; Have a U type pressing part 342 that is bent to form that the two is connected between said 2 second pivots 341, outer end 90 ° of longitudinal extensions of bending of one of them of said 2 second pivots 341 form one second arm of force 343.Said second arm of force, 343 ends are bent to form a U type second operating portion 344, have a latch part 345 on said second operating portion 344.

See also Fig. 1 and Fig. 5; Said backboard 4 is the thin plate that steel or other metal material are processed; Be respectively equipped with on said backboard 4 and the said circuit board 6 with said fixture 3 on the 30 corresponding perforation 40 and grooves 60 of said through hole, supply screw 35 securing members such as grade to pass to reach the effect of fixing said fixture 3.

See also Fig. 1, said chip module 5 comprises that one has the wafer and a substrate 52 of protecting sheathing 51, and said substrate 52 is a circuit board.Said protecting sheathing 51 relative both side edges are bent to form two be limited by portion 511 and two compression zones 512; Said the be limited by portion 511 and the said compression zone 512 adjacent settings of the same side, and the said portion 511 that is limited by is positioned on the center line of said chip module 5 opposite sides with said compression zone 512.

See also Fig. 1, Fig. 2 and Fig. 3; During assembling; Earlier said electric connection socket 1 is fixedly welded on the said circuit board 6; Said fixture 3 is placed in the outside of said electric connection socket 1, in present embodiment, said first articulated section 31 and said buckling parts 32 are positioned at the relative both sides of said electric connection socket 1 again.Said first pivot 21 being packed into said first articulates in the axis hole 311 and fixes with the pivot joint that reaches said first rocking bar 2 again, and said second pivot 341 is packed into said second to articulate in the axis hole 331 and fix with the pivot joint that reaches said second rocking bar 34.Then, screw 35 or other securing member are passed said groove 60 and the said perforation 40 on the said backboard 4 on said through hole 30 and the said circuit board 6, said fixture 3 is locked on the said circuit board 6.

See also Fig. 3 to Fig. 6; Then; Said chip module 5 is positioned on said first rocking bar 2; Utilize the chucking power of 23 of said 2 first arm of forces, make said clamping part 230 be held on the said portion 511 that is limited by on the said chip module 5, promptly said clamping part 230 is clamped on the center line of said chip module 5 opposite sides.Hold said first operating portion 25 then towards said first rocking bar 2 of said electric connection socket 1 rotation, make said chip module 5 also rotate, thereupon until contacting with said electric connection socket 1.Hold said second operating portion 344 again towards said second rocking bar 34 of said electric connection socket 1 rotation, press on the said two pressure-bearing portions 250 on said first rocking bar 2 until the said pressing part 342 on said second rocking bar 34.The said latch part 345 that to be close to said second operating portion 344 at last is locked in the said lock buckling groove 312, accomplishes the snap action to said chip module 5.This moment at final buckling state, said clamping part 230 is suppressed in the said compression zone 512 of said chip module 5 both sides, make said chip module 5 by stably fastening on said electric connection socket 1.

Said first rocking bar 2 grasps said chip module 5 earlier, lets it rotate to the electrically contact with it of said electric connection socket 1 more thereupon, when having avoided artificially packing said chip module 5 into said electric connection socket 1 said conducting terminal (not shown) is damaged.In addition; Because said first articulated section 31 and said buckling parts 32 are positioned at the relative both sides of said electric connection socket 1 just; And be located on the circuit board 6; And do not have direct annexation with said electric connection socket 1, then rotating said first rocking bar 2 and said second rocking bar 34, all force on the said fixture 3 and do not have directly said electric connection socket 1 to be applied any extra power; So can avoid electric connection socket described in the prior art to carry being fixed in down on the Button Block because of unbalance stress is out of shape, even cause the phenomenon of the welding ends breaking circuit plate of said electric connection socket to take place.

In the present embodiment, also can save said second rocking bar 34, only use said first rocking bar 2.Suitable position on said buckling parts 32 is provided with one or more buckle slots, is provided with corresponding clamping part in said first operating portion 25.Also earlier said chip module 5 is positioned over said first rocking bar 2 during assembling; Utilize the chucking power of 23 of said 2 first arm of forces to make said clamping part 230 be held on the said portion 511 that is limited by on the said chip module 5, promptly said clamping part 230 is clamped on the center line of said chip module 5.Hold said first operating portion 25 then towards said first rocking bar 2 of said electric connection socket 1 rotation; Make said chip module 5 also rotate thereupon; Until contacting, at last said clamping part is fastened in the said buckle slot to reach the fastening effect to said chip module 5 with said electric connection socket 1.At this moment, said clamping part 230 still can be suppressed in said compression zone 512, so that said chip module 5 stably fastenings are on said electric connection socket 1, thereby guarantees that excellent electrical property connects.

In sum, the electric connector of the utility model has following beneficial effect:

1, because said first rocking bar 2 grasps said chip module 5 earlier; Be the said chip modules 5 of said clamping part 230 clampings; Said then chip module 5 is along with said first rocking bar 2 rotates until electrically contacting with said electric connection socket 1; In this process; Installing said chip module 5 caused impulsive forces can most of be born by said first rocking bar 2, so said conducting terminal is caused injury in various degree when having avoided artificially directly packing said chip module 5 into said electric connection socket 1.

2, because when said first rocking bar 2 is interlocked with said buckling parts 32; Be that said second rocking bar 34 compresses after the snap close residence states first rocking bar 2; Said clamping part 230 also can be suppressed said chip module 5; Therefore can guarantee that said chip module 5 reaches firmly with said electric connection socket 1 contacts, and guarantees that further excellent electrical property is connected between said chip module 5 and the said circuit board 6.

3, because said first articulated section 31 and said buckling parts 32 are positioned at the relative both sides of said electric connection socket 1; And be located on the said circuit board 6; And there is not direct annexation with said electric connection socket 1; Then rotating said first rocking bar 2 and said second rocking bar 34; All force on the said fixture 3 and do not have directly said electric connection socket 1 to be applied any extra power, so can avoid electric connection socket described in the prior art to carry being fixed in down deforming on the Button Block even causing the phenomenon of the welding ends breaking circuit plate of said electric connection socket to take place.

4, because general rocking bar is the reel off raw silk from cocoons steel wire structure of moulding is shaped through simple bending; And Button Block is that large-scale punch ram is shaped about the metal; With endplay device replace the metal commonly use up and down Button Block realize being fastened to said chip module 5; On manufacturing process, practice thrift cost greatly, also saved material.

Above-mentioned explanation is the detailed description to the preferable possible embodiments of the utility model; But embodiment is not in order to limit the patent claim of the utility model; Equal variation that the technical spirit that all the utility model disclosed is accomplished down or modification change all should belong to claim that the utility model is contained.

Claims

1. an electric connector in order to accept a chip module, is characterized in that, comprising:

One electric connection socket;

At least one fixture has at least one first articulated section and a buckling parts, and said first articulated section and said buckling parts are positioned at the relative both sides of said electric connection socket respectively;

At least one first rocking bar is articulated in said first articulated section and is fastened on said buckling parts, and said first rocking bar comprises 2 first arm of forces that are oppositely arranged; Said 2 first arm of forces have a clamping part respectively; And the distance between the two said clamping parts is slightly less than the width of said chip module, when said first rocking bar during in opening, and the said chip module of said clamping part clamping; When said first rocking bar and said buckling parts were interlocked, said clamping part was suppressed said chip module.

2. electric connector as claimed in claim 1 is characterized in that: the arc of said 2 first arm of forces for caving inward relatively, the minimum distance of said nip between said 2 first arm of forces.

3. electric connector as claimed in claim 1 is characterized in that: said clamping part is clamped on the center line of opposite side of said chip module.

4. electric connector as claimed in claim 1 is characterized in that: said first rocking bar is provided with a linking arm away from pivot end, and said linking arm connects said 2 first arm of forces.

5. electric connector as claimed in claim 4 is characterized in that: said linking arm middle part outwards protrudes out and is provided with one first operating portion.

6. electric connector as claimed in claim 1 is characterized in that: said chip module has two be limited by portion and two compression zones.

7. electric connector as claimed in claim 6 is characterized in that: when said first rocking bar during in opening, and two said clamping part clampings said two portion that is limited by.

8. electric connector as claimed in claim 6 is characterized in that: when said first rocking bar and said buckling parts were interlocked, two said clamping parts compressed said two compression zones.

9. electric connector as claimed in claim 1; It is characterized in that: said buckling parts is articulated with one second rocking bar; Said first articulated section is provided with at least one lock buckling groove, and said second rocking bar compresses said first rocking bar and is locked in the said lock buckling groove to reach buckling state.

10. electric connector as claimed in claim 1 is characterized in that: said buckling parts is provided with at least one buckle slot, and said first rocking bar is fastened in the said buckle slot to reach buckling state.