CN201000994Y

CN201000994Y - Electrical connector

Info

Publication number: CN201000994Y
Application number: CNU2007200483356U
Authority: CN
Inventors: 林庆其
Original assignee: Lotes Guangzhou Co Ltd
Current assignee: Lotes Guangzhou Co Ltd
Priority date: 2007-02-06
Filing date: 2007-02-06
Publication date: 2008-01-02
Anticipated expiration: 2017-02-06

Abstract

The utility model discloses an electrical connector, which consists of an insulating main body and conducting terminals, wherein a plurality of terminal holding holes are arranged on the insulating main body, the conducting terminals are contained in the terminal holding holes, the conducting terminal consists of a first conducting terminal and a second conducting terminal which are mutually matched, the insulating main body is an elastic body, which can elastically distort under press, and the elasticity required by the conducting terminal is provided, wherein at least one conducting terminal is provided with a gripping arm gripping the other conducting terminal. The electrical connector of the utility model can elastically distort under press, and the elasticity required by the conducting terminal is provided, because the elasticity is provided through the insulating main body, the conducting terminal can not be provided with the elasticity, the conducting terminal can be used material of bad elasticity and good conductive performance to be formed, in this way, the good electrical connection of an electronic element and a circuit board can be realized.

Description

Electric connector

[technical field]

The utility model relates to a kind of electric connector, and especially a kind of being used for compressed the electric connector that contacts mutually with chip module.

[background technology]

Occurred a kind of chip module of LGA type now on some electronic product (as computer), the guiding access of this chip module is a washer-shaped, and the electric connector that is attached thereto is provided with the terminal that contacts with the conducting end compression.The electric connector of prior art, comprise insulating body and conducting terminal, insulating body is provided with the terminal containing slot of accommodating conducting terminal, conducting terminal is to be made of one piece, comprise and be immobilizated in intrinsic holding parts, holding parts extension downwards is provided with the weld part that welds mutually with circuit board, and holding parts extends upward and is provided with the contact site that compresses contact with chip module mutually.This conducting terminal is easy to generate elastic fatigue after repeatedly bending, and can not dense arrangement.Owing to above reason, recently a kind of utilize two terminals to join electric connector that incompatible generation electrically connects has appearred again in industry, as No. 5362241, United States Patent (USP) US, it engages with a terminal that can elasticity flexibly connects by a fixing terminal, realizes that chip module contacts with the elastic compression of circuit board.Yet, though this electric connector is not easy to produce elastic fatigue, but also dense arrangement.But this connector terminals material requirements has enough good elasticity and favorable conductive rate, and through after repeatedly bending, also inevitably can produce certain elastic fatigue.Like this, just increase manufacturing cost, and be unfavorable for realizing the good electric connection of electronic component and circuit board.Therefore, be necessary to design a kind of novel electric connector, to overcome above-mentioned defective.

[utility model content]

The purpose of this utility model is to provide a kind of novel electric connector, can realize the better electric connection of electronic component and circuit board.

For achieving the above object, the utility model electric connector, comprise insulating body and conducting terminal, insulating body is provided with the plurality of terminals accommodation hole, and conducting terminal is contained in wherein, and described conducting terminal comprises first conducting terminal and second conducting terminal that cooperatively interacts, described insulating body is an elastomer, elastically deformable during pressurized, and provide conducting terminal required elasticity, wherein at least one conducting terminal is provided with the clamping limb of another conducting terminal of clamping.

Compared with prior art, the utility model electric connector, elastically deformable during pressurized, and provide conducting terminal required elasticity, owing to be to provide elasticity by insulating body, conducting terminal itself can not have elasticity, conducting terminal can use elasticity relatively poor, and electric conductivity material formation preferably, and like this, can realize the better electric connection of electronic component and circuit board.

[description of drawings]

Fig. 1 is the three-dimensional combination figure of the utility model electric connector;

Fig. 2 is the stereogram of conducting terminal in the utility model electric connector;

Fig. 3 is the stereogram of insulating body in the utility model electric connector;

Fig. 4 is the cutaway view of the utility model electric connector;

Fig. 5 is the combination schematic diagram of the utility model electric connector and chip module and circuit board;

Fig. 6 is the cutaway view of the utility model electric connector second embodiment;

Fig. 7 is the three-dimensional cutaway view of the utility model electric connector the 3rd embodiment;

Fig. 8 is the stereogram of conducting terminal among the utility model electric connector the 3rd embodiment;

Fig. 9 is the stereogram of insulating body among the utility model electric connector the 3rd embodiment.

[embodiment]

Below in conjunction with the drawings and specific embodiments the utility model electric connector is described further.

As Fig. 1 and shown in Figure 5, the utility model electric connector 1, can electrically connect mutually with circuit board 2, be used to accept chip module 3 (certainly, also can be circuit board and circuit board, perhaps other electronic components), it comprises insulating body and plurality of conductive terminals, described insulating body comprises first insulating body 10 and second insulating body 11, and described conducting terminal comprises first conducting terminal 4 and second conducting terminal 5.Wherein, described insulating body is provided with several terminal accommodation holes 100 (as shown in Figure 3), described first conducting terminal 4 is contained in the terminal accommodation hole of first insulating body 10, second conducting terminal 5 is contained in the terminal accommodation hole of second insulating body 11, described insulating body is an elastomer, elastically deformable, during the conducting terminal pressurized, move inward and force elastomeric resilient distortion, elastomer has restorable trend, conducting terminal there is a reaction force, this suffered reaction force of conducting terminal is the positive force between conducting terminal and chip module or circuit board, having reached the conventional conductive terminal must strain when the pressurized and increase the purpose of positive force, and promptly elastomer can provide conducting terminal required elasticity.When wherein at least one conducting terminal moves (being the relative motions simultaneously of two conducting terminals in the present embodiment), this first conducting terminal 4 and second conducting terminal 5 form and electrically conduct.

As Fig. 2 and shown in Figure 4, described first conducting terminal 4 and second conducting terminal 5 can relatively move, wherein at least one another conducting terminal of conducting terminal clamping (the mutual clamping of described two conducting terminals, and the mutual square crossing of described two conducting terminals in the present embodiment).Wherein the lateral dimension of at least one conducting terminal is greater than the size of terminal accommodation holes (in the present embodiment, the size of described two conducting terminals is all greater than the size of terminal accommodation holes).Wherein, but first conducting terminal 4 comprises first clamping limb 40 of a pair of clamping second conducting terminal 5 and reaches by first clamping limb, 40 upwardly extending first junctions 41, by first clamping limb, 40 downward first stop sections 42 of extending, wherein, but described first clamping limb 40 is near inwardly outstanding first contact site 400 that is provided with clamping second conducting terminal 5 of stop section 42 1 ends, relative to outwards outstanding first limiting section 401 that can spacing first conducting terminal 4 moves that is provided with of the other end of first contact site 400, in the present embodiment, described two conducting terminal structures are identical, are not described in detail in this.Described first conducting terminal 4 can insert in the terminal accommodation holes of second insulating body 11 with relative second conducting terminal, 5 phase clampings, and described second conducting terminal 5 can insert in the terminal accommodation holes of first insulating body 10 with relative first conducting terminal, 4 phase clampings, and described two-terminal accommodation hole is equipped with the inclined-plane 101 that can supply conducting terminal to move, when conducting terminal is stressed when moving down, compressible this clamping limb of the sidewall of described terminal accommodation holes, at this moment, described clamping limb is subjected to pressure to the inside, make the clamping more mutually of first conducting terminal 4 and second conducting terminal 5, realize electrically connecting.Thereby, realize the electric connection of described chip module 3 and circuit board 2.

The utility model electric connector, because its conducting terminal itself can not have elasticity, but provide elasticity by insulating body, like this, conducting terminal can use elasticity relatively poor, and electric conductivity material formation preferably can realize the better electric connection of chip module and circuit board, and reaches the purpose of saving cost.

Please refer to shown in Figure 6, be second embodiment of the present utility model, but described first conducting terminal 4 comprises the clamping limb 40 of clamping second conducting terminal 5 and reaches by clamping limb 40 upwardly extending junctions 41, the side-prominent contact site 400 that can support second conducting terminal 5 that is provided with in the described clamping limb 40, junction 41 is provided with the limiting section 410 that can 4 transition of spacing first conducting terminal moves down, and second conducting terminal 5 comprises the insertion section 50 that can cooperate with described contact site 400, and by the insertion section 50 downward weld parts 51 that extend, described weld part 51 is provided with tin ball 6, this second conducting terminal 5 can be soldered on the circuit board (not shown).Equally, also can reach the identical effect of the foregoing description.

Please refer to Fig. 7, Fig. 8 and shown in Figure 9, be the 3rd embodiment of the present utility model, 1 of this electric connector is provided with an insulating body 10, insulating body 10 is provided with plurality of terminals accepting hole 100, be provided with interconnective first conducting terminal 4 and second conducting terminal 5 in each terminal accommodation holes 1, but described first conducting terminal 4 comprises first main part 44 and extends first clamping limb 40 that is provided with clamping second conducting terminal 5 downwards by first main part, 44 both sides, by main part 44 upwardly extending first junctions 41, by first stop section 42 that first clamping limb 40 extends downwards, described first clamping limb 40 is near inwardly outstanding first contact site 400 that can support second conducting terminal 5 that is provided with of stop section 42 1 ends; But second conducting terminal 5 comprises second main part 55 and extends upward second clamping limb 50 that is provided with clamping first conducting terminal 4 by second main part, 55 both sides, by second main part, 55 downward second junctions 51 that extend, also interior outstanding second contact site 500 that can support first conducting terminal 4 that is provided with of described second clamping limb, 50 1 ends, described second main part 55 two ends are provided with relatively and can 51 liang of side-prominent being provided with of spacing second conducting terminal 5 momental second stop sections, 510, the second junctions can prevent that second conducting terminal is pressed into the limiting section 511 in the insulating body.The main part of described two conducting terminals is equipped with the groove 43 that holds mutually with the contact site of relative conducting terminal, can avoid two conducting terminals to break away from and drop out terminal accommodation holes each other, this groove 43 is served as reasons and is deep to shallow being arranged on the main part, like this when the mutual clamping movement of two conducting terminals, chucking power between two conducting terminals can increase gradually, help better contact, simultaneously, two conducting terminals are held in mutually in each other the groove and can effectively avoid conducting terminal to drop out insulating body, the sidewall of elastomer distortion terminal accommodation holes 100 also can the compression clip gripping arm, also can increase its contact force, realize that it better electrically conducts.Present embodiment also can reach the described identical effect with first embodiment.

Claims

1. electric connector, comprise insulating body and conducting terminal, insulating body is provided with the plurality of terminals accommodation hole, conducting terminal is contained in wherein, described conducting terminal comprises first conducting terminal and second conducting terminal that cooperatively interacts, and it is characterized in that: described insulating body is an elastomer, elastically deformable during pressurized, and providing conducting terminal required elasticity, wherein at least one conducting terminal is provided with the clamping limb of another conducting terminal of clamping.

2. electric connector as claimed in claim 1 is characterized in that: described two conducting terminals are equipped with clamping clamping limb each other.

3. electric connector as claimed in claim 1 or 2 is characterized in that: the inwardly outstanding contact site that can support another conducting terminal that is provided with of described clamping limb.

4. electric connector as claimed in claim 1 or 2 is characterized in that: described clamping limb end is provided with and can supports the stop section that terminates on the insulating body.

5. electric connector as claimed in claim 1 is characterized in that: the outstanding limiting section that can prevent that the conducting terminal transition from moving that is provided with on described at least one conducting terminal.

6. electric connector as claimed in claim 1 is characterized in that: the mutual square crossing of described two conducting terminals.

7. electric connector as claimed in claim 1 is characterized in that: described first conducting terminal is provided with the clamping limb of clamping second conducting terminal, and second conducting terminal comprises the insertion section that can match with described clamping arm, reaches the weld part that is extended by the insertion section.

8. electric connector as claimed in claim 1 is characterized in that: described conducting terminal comprises main part, extends to form described clamping limb by main part one end, is extended by the main part other end to be provided with and the contacted junction of external connected electronic element.

9. electric connector as claimed in claim 8 is characterized in that: described main part sets to the concave fluted.

10. electric connector as claimed in claim 9 is characterized in that: described groove is arranged at the both sides of main part and is provided with from shallow to deep.

11. electric connector as claimed in claim 1 is characterized in that: be provided with the inclined-plane that can supply conducting terminal to move in the described terminal accommodation hole.

12. electric connector as claimed in claim 1, it is characterized in that: described insulating body comprises two first insulating body and second insulating bodies that are provided with relatively, wherein first conducting terminal is provided with in first insulating body, and second conducting terminal is provided with in second insulating body.