CN201029169Y - electrical connector - Google Patents

Abstract

An electrical connector, which includes a seat body, a plurality of conductive terminals and a detection device, the detection device includes a first detection terminal and a second detection terminal, the first detection terminal includes a first holding part, a second A welding portion and an abutting portion, the second detection terminal includes a second holding portion, a second welding portion and a matching portion, the matching portion can be in contact with or separated from the abutting portion, wherein a pair of elastic springs are provided on the abutting portion When the matching portion is in contact with the abutting portion, the matching portion is clamped between the two elastic arms. This structure can not only ensure the close contact between the first detection terminal and the second detection terminal, but at the same time, friction can be generated between the matching part and the two elastic arms during the contact process, thereby removing the friction between the matching part and the two elastic arms. Absorbed dust, with dustproof effect.

Description

electrical connector

【Technical field】

The utility model relates to an electric connector, in particular to an electric connector with a detection device.

【Background technique】

Related prior art can refer to the US Patent No. 5,013,255 published on May 7, 1991, which discloses an electrical connector for inserting an electronic card, which includes a seat body, a number of conductive terminals and detection The device, the base body is provided with a number of terminal slots for receiving conductive terminals, the detection device includes a first detection terminal and a second detection terminal, the first detection terminal and the second detection terminal both include The holding part on the top and the welding part extending downward from the seat body, the first detection terminal also includes an abutment part, and the second detection terminal also includes a matching part. In the initial state, the second detection terminal matching part One end abuts against the abutting portion of the first detection terminal, and the mating portion and the abutting portion are separated and contacted to achieve the purpose of detection during the insertion and extraction of the electronic card, however, the second detection When the terminal is in contact with the first detection terminal, only one end of the matching portion of the second detection terminal is against the abutment portion of the first detection terminal. When the shape of the matching portion is slightly deformed, the matching portion and the abutment The contact part is easy to form the disadvantage of unstable contact. In addition, because the surfaces of the mating part and the abutting part are often adsorbed with dust, in severe cases, it will cause poor telecommunications contact, thereby affecting the detection quality of the detection device.

Therefore, in view of the above technical problems, it is necessary to provide an electrical connector with an improved structure to overcome the above defects.

【Content of utility model】

The purpose of the utility model is to provide an electrical connector with reliable detection quality.

In order to achieve the above purpose, the utility model adopts the following technical solutions: an electrical connector, which includes a base body, a number of conductive terminals and a detection device, the base body is provided with a number of terminal grooves for accommodating conductive terminals, and the detection device includes There are a first detection terminal and a second detection terminal. The first detection terminal includes a first holding portion fixed on the base, a first welding portion extending out of the base, and an abutment portion. The second detection terminal It includes a second holding portion fixed on the base, a second welding portion extending out of the base, and a matching portion. The matching portion of the second detection terminal can be in contact with or separated from the contact portion of the first detection terminal. Wherein, a pair of elastic arms is provided on the abutting portion, and when the matching portion contacts the abutting portion, the matching portion is clamped between the two elastic arms.

Compared with the prior art, the utility model has the following beneficial effects: when the first detection terminal is in contact with the second detection terminal, the matching part on the first detection terminal is clamped by the abutting part of the second detection terminal Between the two elastic arms, the first detection terminal is in close contact with the second detection terminal, thereby improving the reliability of contact. In addition, the mating part and the two elastic arms can generate friction during the contact process, and the friction process can also remove the dust adsorbed on the contact parts of the mating part and the two elastic arms, which has a dustproof effect, thereby further ensuring the first detection. The sufficient contact between the detection terminal and the second detection terminal ensures the detection quality of the detection device.

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

【Description of drawings】

FIG. 1 is a perspective view of the electrical connector and the electronic card of the present invention.

FIG. 2 is a partially exploded view of the electrical connector of the present invention.

Fig. 3 is a three-dimensional exploded view of the electrical connector of the present invention.

FIG. 4 is a three-dimensional exploded view of another angle of the electrical connector of the present invention.

FIG. 5 is an enlarged schematic view of the detection device in FIG. 3 .

FIG. 6 is an enlarged schematic view of the dotted line part of the base in FIG. 3 .

FIG. 7 is a schematic diagram of the detection device not being deformed when the electronic card is not inserted.

FIG. 8 is a schematic diagram of the deformation of the detection device when the electronic card is inserted.

【Detailed ways】

Please refer to FIG. 1 and FIG. 2, the preferred embodiment of the present utility model is an electrical connector 100 for inserting an electronic card 200, which includes a seat body 10, a plurality of conductive terminals 3 and a detection device 40 .

3 to 6, the base 10 includes a base 1 and a top base 2, the base 1 is provided with a slot 15 that can accommodate the electronic card 200 and a slot 15 that is below the slot 15 and communicates with the slot 15. Several terminal slots 14, the rear end of the base 1 is provided with a first positioning slot 11 and a second positioning slot 12 located in front of the first positioning slot 11, and an upward protrusion is provided between the first positioning slot 11 and the second positioning slot 12. The positioning block 18 is raised, the left and right sides of the base 1 are provided with a through card slot 16 and a concave hole 17, and the bottoms of both sides of the base 1 are provided with a fixing column 13 extending downward. The front end of the top base 2 is provided with a guide groove 25 for guiding the insertion of the electronic card 200 , and the left and right sides of the top base 2 are provided with locking blocks 26 and protrusions 27 extending downward.

The conductive terminal 3 includes an upwardly protruding docking portion 31 , a downwardly extending tail portion 33 and a connecting portion 32 connecting the docking portion 31 and the tail portion 33 .

The detection device 40 includes a first detection terminal 4 and a second detection terminal 5. The first detection terminal 4 includes a first holding portion 42, an abutting portion 41 extending integrally from the upper end of the first holding portion 42, and The first welding portion 43 extending downward from the lower end of the first holding portion 42, the abutting portion 41 includes two elastic arms 412, the front ends of the two elastic arms 412 form a neck structure 413, and a guide is formed below the neck structure 413. Introduction 414. The second detection terminal 5 includes a second holding portion 52, a contact portion 51 extending upward and backward from the front end of the second holding portion 52, and a second welding portion 53 extending downward from the end of the second holding portion 52. The rear end of 51 is provided with a matching portion 513 extending backward and having a plate-like structure.

Please refer to FIG. 1 to FIG. 6, when assembling, first assemble the conductive terminal 3 and the detection device 40 on the base 1, the connecting part 32 of the conductive terminal 3 is held in the terminal groove 14 of the base 1, and the docking part 31 is upward. The protrusion protrudes into the slot 15 of the base 1 , and the tail 33 extends out of the base 1 downwards. When assembling the detection device 40, first assemble the second detection terminal 5 onto the base 1, the second holding portion 52 on the second detection terminal 5 matches the second positioning groove 12 on the base 1, and the second welding The part 53 extends downwards out of the base 1, and the contact part 51 protrudes upwards into the slot 15 of the base 1, and then the first detection terminal 4 is assembled on the base 1, and the first holding part on the first detection terminal 4 42 is fixed on the first positioning groove 11 of the base 1, the first welding part 43 extends downwards out of the base 1, and the contact part 41 is held against the positioning block 18, that is, the positioning block 18 is arranged on the two elastic arms of the contact part 41 Between 412. Finally, the top base 2 is assembled on the base 1 , and the blocks 26 and protrusions 27 on the top base 2 cooperate with the slots 16 and concave holes 17 on the base 1 , thus completing the assembly of the electrical connector 100 . Please refer to Fig. 1, Fig. 2, Fig. 7 and Fig. 8, when the electronic card 200 is not inserted into the slot 15, the matching portion 513 of the second detection terminal 5 is clamped on the neck-shaped portion formed by the front ends of the two elastic arms 412. Inside structure 413. When the electronic card 200 is inserted into the slot 15 along the guide groove 25, the contact portion 51 of the second detection terminal 5 drives the matching portion 513 to move downward under the push of the electronic card 200 and contacts with the contact portion 51 of the first detection terminal 4. The two elastic arms 412 are separated, so as to determine the insertion state of the electronic card 200 through the conduction and separation of the first detection terminal 4 and the second detection terminal 5 . When the electronic card 200 is pulled out from the slot 15, the contact portion 51 of the second detection terminal 5 returns to its original shape through its own elasticity, and at the same time drives the matching portion 513 to move upward along the guide portion 414 and is clamped between the two elastic parts again. In the neck-shaped structure 413 formed at the front end of the arm 412, the first detection terminal 4 and the second detection terminal 5 are in the conduction process, and the matching part 513 is clamped to the two elastic arms of the first detection terminal 4 by friction. Between 412, the arrangement of the two elastic arms 412 can not only improve the reliability of the contact between the first detection terminal 4 and the second detection terminal 5, but also remove the contact between the matching part 513 and the two elastic arms 412 during the friction process. The absorbed dust has a dust-proof effect, thereby further ensuring sufficient contact between the first detection terminal 4 and the second detection terminal 5 , and ensuring the detection quality of the detection device 40 .

Claims (10)

1. electric connector, it includes pedestal, plurality of conductive terminals and arrangement for detecting, pedestal is provided with some terminal grooves of accommodating conducting terminal, arrangement for detecting includes the first detecting terminal and the second detecting terminal, the first detecting terminal includes first holding parts that is immobilizated on the pedestal, extend first weld part and the abutting part of pedestal, the second detecting terminal includes second holding parts that is immobilizated on the pedestal, extend second weld part and the auxiliary section of pedestal, the auxiliary section of the second detecting terminal can contact with the abutting part of the first detecting terminal or separate, it is characterized in that: abutting part is provided with a pair of elastic arm, when described auxiliary section contacted with abutting part, the auxiliary section was held between two elastic arms.

2. electric connector as claimed in claim 1 is characterized in that: the second detecting terminal also includes contact site, and the contact site end is located in described auxiliary section.

3. electric connector as claimed in claim 1 is characterized in that: the abutting part of the described first detecting terminal is to be connected by first holding parts with first weld part.

4. electric connector as claimed in claim 1 is characterized in that: described two elastic arms are formed with a neck shape structure, and when the auxiliary section contacted with abutting part, described auxiliary section was held in the formed neck shape of the two elastic arms structure.

5. electric connector as claimed in claim 4 is characterized in that: be formed with one on the neck shape structure that described two elastic arms form and can guide the auxiliary section and be held on guidance part in the neck shape structure.

6. electric connector as claimed in claim 2 is characterized in that: second weld part of the described second detecting terminal is to be connected by second holding parts with contact site.

7. electric connector as claimed in claim 1 is characterized in that: pedestal is provided with first location notch that can match with first holding parts, second location notch that can match with second holding parts and the locating piece that can support abutting part.

8. electric connector as claimed in claim 2, it is characterized in that: be provided with slot in pedestal, conducting terminal includes the docking section that protrudes into slot, the afterbody that is immobilizated in the connecting portion on the terminal groove and extends pedestal, and the contact site of the second detecting terminal protrudes in the slot.

9. electric connector as claimed in claim 8 is characterized in that: pedestal includes footstock and base, is respectively equipped with the fixture block of mutual combination and the projection and the shrinkage pool of draw-in groove and combination mutually on this footstock and the base.

10. electric connector as claimed in claim 9 is characterized in that: described slot is located on the base, also is provided with the guide channel that is connected with slot on footstock.

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