CN2845208Y - Electric connector and terminal thereof - Google Patents

Abstract

An electrical connector and a terminal thereof, the terminal occupies a smaller terminal groove area in an insulating housing. The electric connector is used for connecting the chip module with the circuit board and comprises an insulating shell and a plurality of terminals: the insulating shell is provided with a plurality of terminal grooves, a limiting groove and a plurality of top grooves formed above the terminal grooves; the terminals are respectively provided with a body which is accommodated in the limiting groove, an elastic arm which extends upwards from the top end of the body and is limited in the top groove, and a welding part which is arranged at the bottom end of the body. The elastic arm is bent upwards in a C shape towards the outside of the first surface of the body, the free end of the elastic arm extends towards the body and upwards and vertically extends, and an upwards contact part is formed at the top end of the elastic arm.

Description

Electric connector and terminal thereof

Technical field

The utility model refers to especially that about a kind of electric connector and terminal thereof a kind of electric connector has several terminals, is electrically connected with circuit board for the chip module of a land grid array package.

Background technology

Along with the progress of integrated circuit technique, the pin of chip module (as central processing unit) is more and more many, and the electric connector that is electrically connected with circuit board for chip module also develops to more and more little direction.These electric connectors have generally comprised insulation shell and terminal, and the shared space of terminal also must be more and more little.So be guarantee that chip module and electric connector can good electrical be connected, just produce the difficult problem in the manufacturing of electric connector and terminal.

A kind of prior art is for guaranteeing chip module and electric connector and can contact good and providing terminal preferable Elastic Contact performance, be formed with the elastic arm of an oblique extension as the terminal of No. the 91214022nd, TaiWan, China patent application and No. 92211559, whereby to strengthen the Elastic Contact performance of this terminal.The also corresponding increasing of its terminal groove of another side, so that can be limited in the madial wall displacement of terminal groove behind the contact site pressurized on this elastic arm top, to reduce the displacement of its skew.

Yet above-mentioned prior art is this elastic arm because oblique extension extends, and not only makes the area of terminal on upright projection strengthen the corresponding area that has taken bigger terminal groove.So needing more and more little developing direction to produce with terminal and insulation shell conflicts.Another side also produces bigger torsion during its terminal pressurized, thereby makes built on the sand and the easy overflexing of structure of terminal.

So as from the foregoing, above-mentioned existing electric connector and terminal thereof in practical application, obviously have inconvenience and exist with disappearance, and can wait to be improved.

Summary of the invention

Main purpose of the present utility model is, a kind of electric connector and terminal thereof are provided, and its terminal takies less terminal groove area in insulation shell, and still keeps terminal to have the better elastic contact performance.

A purpose more of the present utility model is that a kind of connector terminals is provided, and when it was stressed, the torsion that is produced was less, to form more firm terminal structure.

For realizing above-mentioned purpose, the utility model provides a kind of electric connector to be connected with circuit board for chip module, and this electric connector includes an insulation shell and number terminal; This insulation shell is formed with terminal groove that sequence wears, is positioned at several stopper slots of this terminal groove and be formed at several inverted draw cuts of the top of this terminal groove separately; This counts terminal accommodating in corresponding this terminal groove, this terminal has the body that is placed in separately in this stopper slot separately, is extended upward and be limited in the elastic arm in this inverted draw cut and be located at a weld part of this body bottom by this body top, wherein this body has opposite first and second surface, this elastic arm is towards the outside upwards C shape bending of the first surface of this body, the free end of C shape bending extends and extends vertically upward towards this body, and in top bending formation one contact site up.

For realizing above-mentioned purpose, the utility model provides a kind of connector terminals, and it comprises a body, an elastic arm and a weld part; This body has opposite first and second surface; This elastic arm is by the c-shaped bending that makes progress towards the first surface outside of this body of this body top, and the free end of C shape bending extends and vertical extent up towards this body, and forms up a contact site in top bending; This weld part is located at the bottom of this body.

In order further to understand feature of the present utility model and technology contents, see also following about detailed description of the present utility model and accompanying drawing, yet appended graphic only provide with reference to and the explanation usefulness, be not to be used for the utility model is limited.

Brief description of drawings

Below in conjunction with accompanying drawing,, will make the technical solution of the utility model and other beneficial effects apparent by embodiment of the present utility model is described in detail.

In the accompanying drawing,

Fig. 1 is the three-dimensional exploded view of electric connector of the present utility model and terminal thereof.

Fig. 2 is the three-dimensional combination figure of electric connector of the present utility model and terminal thereof.

Fig. 3 is the local amplification stereogram of socket connector in the utility model.。

Fig. 4 is the local amplification stereogram of another angle of socket connector in the utility model.

Fig. 5 looks up the local amplification stereogram of angle for socket connector in the utility model.

Fig. 6 is the front view of connector terminals of the present utility model.

Fig. 7 is the end view of connector terminals of the present utility model.

Fig. 8 is the vertical view of electric connector of the present utility model and terminal thereof.

Fig. 9 is the upward view of electric connector of the present utility model and terminal thereof.

Embodiment

For further setting forth the utility model is technological means and the effect that the predetermined purpose of realization is taked, see also following about detailed description of the present utility model and accompanying drawing, believe the purpose of this utility model, feature and characteristics, should obtain thus going deep into and concrete understanding, yet accompanying drawing only provides reference and explanation usefulness, is not to be used for the utility model is limited.

See also Fig. 1 and Fig. 2, be the three-dimensional exploded view and the three-dimensional combination figure of electric connector of the present utility model and terminal thereof.The utility model provides a kind of electric connector to include a socket connector 100 and a fastener 300.This socket connector 100 is in order to accommodate a chip module (not icon) to be connected with circuit board (not icon).This fastener 300 comprises a press box 301 and a underframe 302, and this socket connector 100 is arranged in this underframe 302, and this press box 301 can be raised and can be articulated in this underframe 302 with covering, with fixed chip module stably in this socket connector 100.

Manner about this fastener 300 has many kinds, and electric connector of the present utility model provides a depression bar 500 to compress this press box 301 on this underframe 302.Wherein a side of this underframe 302 is articulated in this press box 301, and opposite side articulates this depression bar 500, and after this press box 301 was covered on this underframe 302, this depression bar 500 was pushed down the lateral margin of this press box 301 downwards and is snapped on this underframe 302.

See also Fig. 3 and Fig. 4, be the local amplification stereogram of socket connector in the utility model.This socket connector 100 includes an insulation shell 10 and number terminal 20.This insulation shell 10 be formed with terminal groove 12 that sequence wears, separately be positioned at this terminal groove 12 several stopper slots 122, and be formed at several inverted draw cuts 142 of the top of this terminal groove 12 accordingly.In the present embodiment, this stopper slot 122 is parallel to the side of this insulation shell 10; In addition, these insulation shell 10 tops are formed with number row's parallel riser 14, and this counts inverted draw cut 142 between this riser 14.

This is counted terminal 20 and is contained in separately in this terminal groove 12.This terminal 20 includes a body 22, an elastic arm 24 and a weld part 26 separately.This body 22 is fastened in this stopper slot 122 separately.For fixing this terminal 20 in this stopper slot 122, wherein the both sides of this body 22 form at least one interference part separately and interfere and be fixed in this stopper slot 122.In the present embodiment, the both sides of this body 22 respectively form a pair of interference part 221 and a pair of interference part 222 down of going up.

For describing this elastic arm 24, defining these body 22 two opposite surfaces is a first surface 223 and a second surface 224 (seeing also Fig. 5).This elastic arm 24 is by the make progress elastic extension and being limited in this inverted draw cut 142 of these body 22 tops.This elastic arm 24 makes progress the bending of C shapes and forms a bending section 242 towards first surface 223 outsides of this body; Then, the free end of this bending section 242 extends and extends vertically upward a vertical section 244 towards second surface 224 outsides of this body 22, top bending formation one contact site 246 up of this vertical section 244.

This weld part 26 is bent downwards by the bottom of this body 22.In the present embodiment, this weld part 26 is towards these first surface 223 outside extensions.

See also Fig. 5, be the local amplification stereogram of socket connector in the utility model.Be this terminal 20 of ease of assembly, wherein the both sides, top of this body 22 of this terminal 20 are respectively protruded a projection 28 and are trimmed end face (please cooperate and consult Fig. 4) in this terminal groove 12.During these projection 28 ease of assembly for the machine fixing, and force in this terminal 20 downwards so that be assembled in this terminal groove 12.

See also Fig. 6 and Fig. 7, be respectively the front view and the end view of connector terminals of the present utility model.Feature that can clearer connector terminals of the present utility model among this figure, the free end of the bending section 242 of wherein this c-shaped bending is to be horizontal-extending substantially towards second surface 224 outsides of this body 22.

In the present embodiment, the upright projection of this contact site 246 is contiguous these weld parts 26, and in other words, the upper end of this bending section 242 extends beyond this second surface 234 a little and promptly upwards is bent to form this vertical section 244.When chip module pressed down, this contact site 246 can be towards the direction displacement of these weld part 26 extensions; When making this contact site 246 of terminal 20 of the present utility model stressed whereby, the torsion of generation is less, thereby forms more firm terminal structure.Make electric connector of the present utility model and terminal thereof be difficult for producing deformation, thereby have preferable steadiness.

See also Fig. 8 and Fig. 9, be the vertical view and the upward view of electric connector of the present utility model and terminal thereof.From the angle of overlooking, terminal 20 of the present utility model obviously takies the area of less terminal groove 12.Can reduce the area of insulation shell whereby, meet the demand of electric connector developing direction.

Therefore, can produce following characteristics by the utility model:

One, electric connector of the present utility model and terminal thereof, its terminal take less terminal groove area in insulation shell, can reduce the area of insulation shell whereby; Another side, this terminal still maintains the better elastic contact performance by its C shape bending.

Two, connector terminals of the present utility model, when it was stressed, the torsion that produces less was to have more firm terminal structure, can guarantee the steadiness of electric connector and terminal thereof.

The above; for the person of ordinary skill of the art; can make other various corresponding changes and distortion according to the technical solution of the utility model and technical conceive, and all these changes and distortion all should belong to the protection range of the utility model accompanying Claim.

Claims (15)

1, a kind of electric connector is connected with circuit board for chip module, it is characterized in that this electric connector includes:

One insulation shell is formed with terminal groove that sequence wears, is positioned at several stopper slots of this terminal groove and be formed at several inverted draw cuts of the top of this terminal groove separately; And

The number terminal, be contained in corresponding this terminal groove, this terminal has the body that is placed in respectively in this stopper slot separately, is extended upward and be limited in the elastic arm in this inverted draw cut and be located at a weld part of this body bottom by this body top, wherein this body has opposite first and second surface, this elastic arm is towards the outside upwards C shape bending of the first surface of this body, the free end of C shape bending extends and extends vertically upward towards this body, and in top bending formation one contact site up.

2, electric connector as claimed in claim 1 is characterized in that, this stopper slot is parallel to the side of this insulation shell.

3, electric connector as claimed in claim 1 is characterized in that, the both sides of this body respectively form the interference of at least one interference part and are fixed in this stopper slot.

4, electric connector as claimed in claim 3 is characterized in that, the both sides of this body respectively form a pair of interference part and a pair of interference part down of going up.

5, electric connector as claimed in claim 1 is characterized in that, the both sides, top of this body of this terminal are respectively protruded a projection and trimmed end face in this terminal groove.

6, electric connector as claimed in claim 1 is characterized in that, after the free end of this C shape bending extends to the second surface outside of this body, extends vertically upward again.

7, electric connector as claimed in claim 1 is characterized in that, this weld part is towards the outside extension of this first surface.

8, electric connector as claimed in claim 7 is characterized in that, contiguous this weld part of the upright projection of this contact site, and when chip module presses down, the direction displacement that this contact site extends towards this weld part.

9, a kind of connector terminals is characterized in that, comprising:

One body, it has opposite first and second surface;

One elastic arm is by the c-shaped bending that makes progress towards the first surface outside of this body of this body top, and the free end of C shape bending extends and vertical extent up towards this body, and forms up a contact site in top bending; And

One weld part is located at the bottom of this body.

10, connector terminals as claimed in claim 9 is characterized in that, the both sides of this body respectively form the interference of at least one interference part and are fixed in this stopper slot.

11, connector terminals as claimed in claim 10 is characterized in that, the both sides of this body respectively form a pair of interference part and a pair of interference part down of going up.

12, connector terminals as claimed in claim 9 is characterized in that, a projection is respectively protruded in the both sides, top of this body of this terminal.

13, connector terminals as claimed in claim 9 is characterized in that, after the free end of this C shape bending extends to the second surface outside of this body, extends vertically upward again.

14, connector terminals as claimed in claim 9 is characterized in that, this weld part is towards the outside extension of this first surface.

15, connector terminals as claimed in claim 14 is characterized in that, contiguous this weld part of the upright projection of this contact site, and when chip module presses down, the direction displacement that this contact site extends towards this weld part.

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