CN2833939Y

CN2833939Y - Clamping-fringe connector

Info

Publication number: CN2833939Y
Application number: CNU200520064793XU
Authority: CN
Inventors: 朱德祥
Original assignee: Lotes Guangzhou Co Ltd
Current assignee: Lotes Guangzhou Co Ltd
Priority date: 2005-09-21
Filing date: 2005-09-21
Publication date: 2006-11-01
Anticipated expiration: 2015-09-21

Abstract

The utility model, which relates to a clamping-fringe connector, is used to connect the extending card to the circuit board. It includes a fore and aft type of insulating body and some conductive terminals. The insulating body includes a pair of edge walls and a reception part equipped at one end at least. A center slot is equipped between the edge walls. The reception part is pivoted to a push-out device, and is provided with two sidewalls, and each sidewall is provided with a guide wall extending oppositely, with a certain distance between the lower end of the guide wall and the lower surface of the insulating body, to make that the lower end of the guide wall can contact the push-out device to limit its rotation data, and to make the push-out device can not get clear of the insulating body as a result of being stressed a lot and over rotating.

Description

Bayonet connector

[technical field]

The utility model relates to a kind of bayonet connector.

[background technology]

At present, industry is in order to connect the bayonet connector of expansion board and circuit board, be typically provided with a plastics pedestal and an ear clip device, the plastics pedestal is provided with plurality of conductive terminals, its both sides are provided with turriform portion, be provided with the receiving space of accommodating ear clip device in the turriform portion, the receiving space two side is provided with pivoted hole, ear clip device is articulated in the pivoted hole, this ear clip device can be with firm being held in the bayonet connector of expansion board, prevent to produce signal interruption because of vibrations break away from, also be provided with trip mechanism on the ear clip device simultaneously, can expansion board be withdrawed from the bayonet connector by the rotation of earclip, disengaging plastics pedestal is provided with one usually and prevents the excessive device of ear clip device rotation on the plastics pedestal in order to prevent ear clip device from rotating excessively, be generally a retaining wall that is arranged at the receiving space outer end, this retaining wall is if the higher ear clip device that can effectively prevent rotates excessively, but be unfavorable for that ear clip device is attached in the receiving space, retaining wall is if shorter side can not effectively prevent the ear clip device rotation excessively, also the part bayonet connector extends a projection in central slot two side, projection has the inclined-plane, on the ejection part of ear clip device, be provided with the mating surface that cooperates with the inclined-plane, mating surface and inclined-plane are inconsistent to prevent the ear clip device rotation excessively, but this respective outer side edges face is less, the inclined-plane is also shorter, a little firmly mating surface just might slip over the inclined-plane, and makes ear clip device break away from the plastics pedestal.

Therefore, be necessary to design a kind of novel bayonet connector, to overcome above-mentioned defective.

[summary of the invention]

The purpose of this utility model is to provide a kind of bayonet connector, and it can firmly be connected with the butt joint expansion board and can eject docking expansion board, and liftout attachment can excessively not rotate and breaks away from edge clipping and connect the device insulating body.

In order to reach above-mentioned creation purpose, the utility model bayonet connector, in order to expansion board is connected on the circuit board, comprise a lengthwise type insulating body and a plurality of conductive terminals, this insulating body comprises an opposite side wall and is arranged at the resettlement section of at least one end, be provided with central slot between the wall of limit, the resettlement section is articulated with liftout attachment, the resettlement section is provided with the two side, each sidewall extension relatively is provided with guiding walls, guiding walls lower end and insulating body lower surface have certain distance, make the guiding walls lower end can contact liftout attachment to limit its rotation amount.

Compared with prior art, the utility model bayonet connector, have certain interval by guiding walls lower end and insulating body lower surface, whole guiding walls lower end can contact liftout attachment to limit its rotation amount, makes liftout attachment can excessively not break away from insulating body because of stressed big rotation.

[description of drawings]

Fig. 1 is the insulating body vertical view of the utility model bayonet connector;

Fig. 2 is the cutaway view of the insulating body of bayonet connector shown in Figure 1 along the A-A direction;

Fig. 3 is the cutaway view of the insulating body of bayonet connector shown in Figure 1 along the B-B direction;

Fig. 4 is the front view of the liftout attachment of the utility model bayonet connector;

Fig. 5 is the right view of liftout attachment shown in Figure 4;

Fig. 6 is the vertical view of liftout attachment shown in Figure 4;

Fig. 7 is the cutaway view of liftout attachment shown in Figure 4 along the C-C direction;

Fig. 8 is the stereogram of liftout attachment shown in Figure 4;

Fig. 9 is the combination schematic diagram of insulating body shown in Figure 2 and liftout attachment shown in Figure 7 and expansion board;

Figure 10 is the schematic diagram of the liftout attachment of Fig. 9 bayonet connector when being in closure state;

Figure 11 is the constitutional diagram of insulating body and liftout attachment;

Figure 12 is the right view of Figure 11.

[embodiment]

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

Please refer to Fig. 1 to shown in Figure 10, the utility model bayonet connector comprises a lengthwise type insulating body 10, plurality of conductive terminals (not icon) and two liftout attachments 20 in order to expansion board 3 is connected on the circuit board (not icon).

As shown in Figure 1 to Figure 3, insulating body 10 comprises a pair of

long limit wall

11,11 on limit wall is provided with central slot 12 along long axis direction, central authorities slot 12 both sides are provided with two row and form the terminal accommodation holes 13 that is communicated with central slot, conducting terminal (not icon) is contained in the described terminal accommodation holes 13, be provided with resettlement section 14 at the insulating body two ends, to accommodate liftout attachment 20, this resettlement section 14 is surrounded by two short sidewall 140 and end walls 141, each sidewall 140 extension relatively is provided with guiding walls 1401, guiding walls lower end 1402 has certain distance 16 with insulating body lower surface 15, make guiding walls lower end 1402 can contact liftout attachment to limit its rotation amount, inwardly also upwards be provided with upright arm 142 by each end wall 141 centre position, upright arm 142 inboards are provided with guiding face 143, this guiding face 143 can cooperate guiding walls 1401 that expansion board 3 is directed in the central slot 12 rapidly, the retaining wall 144 that extends internally and be provided with vertical sidewall and be connected by sidewall 140 ends with end wall 141,14 is inboard near being provided with pivot joint axis hole 145 on the position of end wall 141, to articulate liftout attachment 20 in the resettlement section.

Extremely shown in Figure 8 as Fig. 4, liftout attachment 20 is articulated in the resettlement section 14, comprise main part 200 and the ejection part 201 that extends by main part 200 ends, with the expansion board 3 that ejects butt joint, main part 200 and central slot 12 relative one sides are provided with mating surface 202, to cooperate with guiding walls lower end 1402 with restriction liftout attachment 20 rotation amounts, main part 200 is provided with the elongated slot 203 that runs through main body, the centre position of elongated slot 203 is provided with linking arm 204, main body 200 both sides are provided with projection 205 in the position near linking arm 204, when liftout attachment 20 rotates to closure state in resettlement section 14, projection 205 can be fastened in retaining wall 144 inboards, main body 200 is provided with the shell fragment 206 that can match with inboard, 14 two side, resettlement section in the position near linking arm 204 to central slot direction extension, because of projection 205 and shell fragment 206 all near on the position of linking arm 204, when liftout attachment 20 rotates to closure state in resettlement section 14, can be because of being provided with elongated slot 203 in the middle of the main body, projection 205 and shell fragment 206 move and the liftout attachment 20 and the two side of resettlement section 14 can not be closely cooperated to the elongated slot centre position, appropriate location under the projection 205 of main body is provided with rotating shaft 209, match in order to pivot joint axis hole 145 with 14 inboards, resettlement section, be provided with the ejection part 201 relative other ends by main body 200 and extend upward the also outward-dipping operating portion 207 that is provided with, relative with operating portion 207 one extends in the side direction in addition and is provided with protuberance 208, this protuberance 208 can fasten with the set recess 31 in expansion board 3 both sides, with expansion board 3 firm being fixed on the bayonet connector, to realize the electric connection of expansion board and circuit board.

Extremely shown in Figure 12 as Fig. 9, when being in open state, liftout attachment 20 can insert expansion board 3, again with the liftout attachment closure, acting in conjunction by projection 205 and shell fragment 206 and protuberance 208 can closely be connected expansion board 3 in the bayonet connector, if will take out expansion board 3, the outside press operating part 207 of need only exerting oneself, liftout attachment 20 is promptly to inner rotary, this moment, ejection part 201 upwarped, thereby expansion board 3 is ejected, because of on the relative position of liftout attachment main part 200 and central slot 12, be provided with cooperate with guiding walls lower end 1402 to limit the mating surface 202 of liftout attachment rotation amount, and guiding walls lower end 1402 is bigger with the contact area of mating surface 202, so liftout attachment can not break away from insulating body because of stressed excessive excessively the rotation.

Claims

1. bayonet connector, in order to expansion board is connected on the circuit board, comprise a lengthwise type insulating body and a plurality of conductive terminals, this insulating body comprises an opposite side wall and is arranged at the resettlement section of at least one end, be provided with central slot between the wall of limit, the resettlement section is articulated with liftout attachment, it is characterized in that: the resettlement section is provided with the two side, each sidewall extension relatively is provided with guiding walls, guiding walls lower end and insulating body lower surface have certain distance, make the guiding walls lower end can contact liftout attachment to limit its rotation amount.

2. bayonet connector as claimed in claim 1 is characterized in that: described liftout attachment is provided with main part, reaches the ejection part that is extended by the main part end.

3. bayonet connector as claimed in claim 2 is characterized in that: main part is provided with the guiding walls lower end and cooperates to limit the mating surface of liftout attachment rotation amount.

4. bayonet connector as claimed in claim 2 is characterized in that: described liftout attachment main part is provided with the elongated slot that runs through main part.

5. bayonet connector as claimed in claim 4 is characterized in that: the centre position of described elongated slot is provided with linking arm.

6. bayonet connector as claimed in claim 5 is characterized in that: described main body both sides are provided with projection in the position near linking arm.

7. bayonet connector as claimed in claim 5 is characterized in that: described main body is provided with the shell fragment that can match with the two side, resettlement section in the position near linking arm to central slot direction extension.

8. bayonet connector as claimed in claim 4 is characterized in that: the resettlement section end is provided with an end wall, inwardly also upwards is provided with the upright arm that is contained in the elongated slot by the end wall centre position.

9. bayonet connector as claimed in claim 8 is characterized in that: described upright arm inboard is provided with the guiding face in order to the guiding expansion board.

10. bayonet connector as claimed in claim 1 is characterized in that: described liftout attachment is provided with main part, and the main part both sides are respectively equipped with rotating shaft, and the insulating body inside sidewalls is provided with corresponding with it pivot joint axis hole.