TWI431851B - Card connector - Google Patents

Description

Card connector

The present invention relates to a card connector for inserting an electronic card, and more particularly to a card connector having a detecting terminal.

The prior art related to the present invention can be referred to the new patent of the Republic of China on December 13, 2006, and the announcement number is CN 2847573Y. The invention discloses a card connector for accommodating an electronic card, comprising: a body, a plurality of conductive terminals received in the body, a detecting terminal for detecting whether the electronic card is inserted into a predetermined position, and a cover covering the body . The front end of the conductive terminal is provided with an arcuate contact portion. The rear end of the detecting terminal is provided with a conducting portion that is bent back in a return shape. When the electronic card is inserted into the card connector, the conductive strip on the electronic card contacts the contact portion of the conductive terminal. When the electronic card is further inserted into the predetermined position, the conductive portion of the detecting terminal is also in contact with the conductive sheet of the electronic card. At this time, the contact portion between the conductive portion of the detecting terminal and the conductive terminal is electrically connected to each other through the conductive sheets of the electronic card, thereby achieving a detecting function.

However, the detection terminal and the conductive terminal have different structures, and the two need to be separately developed by different molds, which is not conducive to cost saving.

The Republic of China patent of TW 248107, published on September 15, 2003, discloses a card connector for accommodating an electronic card, comprising a body, a plurality of conductive terminals housed in the body, and a device for detecting whether the electronic card is inserted or not That is, the detection terminal of the fixed position and the cover body covering the body. The conductive terminal includes a first conductive terminal for conducting And a second detecting terminal for mating with the detecting terminal to achieve a detecting function. The second conductive terminal is located below the detecting terminal and has a size larger than the detecting terminal. When the detecting terminal is pressed down, it is in contact with the second conductive terminal and is turned on to achieve the detecting function.

However, the detecting terminal is disposed above the second conductive terminal, and the two are respectively made of independent tapes, which is disadvantageous for cost saving.

The certificate number published on January 11, 2008 is TW 325636. The Republic of China patent discloses a card connector for accommodating an electronic card, which comprises a body, a plurality of conductive terminals housed in the body, and a device for detecting whether the electronic card is inserted or not. The position detecting terminal and the cover body covering the body. The conductive terminal includes a first conductive terminal for conducting electricity and a second detecting terminal for mating with the detecting terminal to achieve a detecting function. The front end of the second conductive terminal is provided with a conductive portion protruding toward the first conductive terminal, and the conductive portion is suspended above the detecting terminal by returning backward and bending. When the detecting terminal is pressed down, it is in contact with the second conductive terminal and is turned on to achieve the detecting function.

However, the second detecting terminal needs to be bent by other molds, which is disadvantageous for saving process and cost.

Therefore, it is necessary to modify the conventional electrical connector to overcome the above drawbacks.

In view of the above, it is an object of the present invention to provide a card connector that saves on process and cost.

To achieve the foregoing objective, the card connector for inserting an electronic card of the present invention comprises an insulative housing, a plurality of conductive terminals received in the insulating body, and a detecting terminal. The accommodating space for accommodating the electronic card is formed on the insulating body. The conductive terminal includes a plurality of first conductive terminals for conducting electricity and a second conductive terminal for engaging with the detecting terminal to achieve a detecting function. The first and second conductive terminals and the detecting terminal are arranged side by side in the first direction after being cut by the material feeding step. The first and second conductive terminals after the blanking are made into a contact portion that is bent in the same direction by a bending process. The contact portion of the second conductive terminal has a conductive portion suspended above the detecting terminal. When the electronic card is inserted into the position of the receiving space, the second conductive terminal is pressed downward and the conductive portion thereof is in contact with the detecting terminal to achieve the detecting function.

Compared with the prior art, the present invention has the following beneficial effects: the first and second conductive terminals and the detecting terminals are formed in parallel in the same direction because they are stamped from the same tape. Through the above operations, the detection terminal has been formed, which is beneficial to save the process. The stamped first and second conductive terminals are formed into the same-curved contact portion by the same mold. In this way, it is only necessary to use a single strip to pass through the same mold to simultaneously make a variety of terminals having a conductive function and a detecting function, thereby eliminating the need for re-feeding or mold opening, thereby contributing to cost saving.

100‧‧‧ card connector

1‧‧‧Insulating body

11‧‧‧ base

12‧‧‧Terminal slot

13‧‧‧Slit

14‧‧‧ passage

15‧‧‧ side

151‧‧‧ notch

17‧‧‧Depression

200‧‧‧electronic card

2‧‧‧Electrical terminals

2A‧‧‧First conductive terminal

2B‧‧‧Second conductive terminal

21‧‧‧Contacts

22‧‧‧Weld Department

23‧‧‧Connecting Department

24‧‧‧Training Department

3‧‧‧Detection terminal

31‧‧‧Induction Department

32‧‧‧Intermediate

33‧‧‧welded feet

4‧‧‧ cover

41‧‧‧ top wall

42‧‧‧ side wall

421‧‧‧ buckle department

422‧‧‧Flexible arm

The first figure is an assembled view of the card connector of the present invention.

The second figure is an assembled view of another perspective view of the card connector shown in the first figure.

The third figure is an exploded perspective view of the card connector shown in the first figure.

The fourth drawing is a cross-sectional view in the IV-IV direction when the electronic card is inserted into the card connector shown in Fig. 1.

The fifth drawing is a cross-sectional view in the IV-IV direction when the electronic card is inserted into the position of the card connector shown in Fig. 1.

The sixth figure is a schematic diagram of the second conductive terminal and the detecting terminal being on the same tape.

Referring to the first to fifth figures, the present invention discloses a card connector 100 into which an electronic card 200 is inserted in the insertion direction. The card connector 100 includes an insulative housing 1 , a plurality of conductive terminals 2 inserted into the insulative housing 1 , a detecting terminal 3 , and a cover 4 covering the insulative housing 1 .

As shown in the first and third figures, the insulative housing 1 includes a substantially rectangular base portion 11 and a pair of side portions 15 extending upward from the base portion 11. The base portion 11 is provided with a plurality of terminal grooves 12 extending in the butting direction and penetrating the upper and lower surfaces of the base portion 11, and a passage 14 disposed in parallel with the terminal grooves 12. The dimension of the passage 14 in the longitudinal direction perpendicular to the insertion direction is larger than the corresponding dimension of the terminal groove 12. Both sides of the lower surface of the base portion 11 are provided with recessed portions 17 which are recessed downward in a stepped manner. The rear surface of the base portion 11 is provided with a plurality of slits 13 extending forwardly to communicate with the terminal slots 12 and the passages 14, respectively. The outer surface of the side portion 15 is provided with a notch 151.

Referring to the third figure, the conductive terminal 2 includes a plurality of first conductive terminals 2A disposed along the longitudinal direction and a second conductive terminal 2B disposed on a side of the first conductive terminals 2A. Each of the conductive terminals 2 includes a contact portion 21 that is upwardly curved in an arc shape, a solder portion 22 that extends rearward for soldering to a circuit board (not shown), and a connection portion 23 that connects the contact portion 21 and the solder portion 22. The second conductive terminal 2B is substantially the same in configuration as the first conductive terminal 2A. The front end of the contact portion 21 of the first conductive terminal 2A extends toward the detecting terminal 3 by a conducting portion 24 to form a second conductive terminal 2B.

The detecting terminal 3 is substantially elongated, and has a sensing portion 31 at its front end, a soldering leg 33 at the rear end, and an intermediate portion 32 connecting the sensing portion 31 and the soldering leg 33 in the middle.

The cover 4 includes a substantially plate-shaped top wall 41 and a pair of side walls 42 extending downward from the top wall 41. The distal end of the side wall 42 is bent inwardly to form a snap portion 421 that engages with the recessed portion 17 of the base portion 11. A resilient arm 422 is suspended from the middle portion of the side wall 42.

Referring to the first to third figures, the first and second conductive terminals 2A, 2B and the detecting terminal 3 are arranged in parallel. The connecting portion 23 of the first and second conductive terminals 2A, 2B and the intermediate portion of the detecting terminal 3 have a coplanar structure. The contact portions 21 of the first and second conductive terminals 2A, 2B are bent into the same arc. When the card connector 100 is assembled, the first conductive terminal 2A is housed in the terminal slot 12. The connecting portion 23 of the first conductive terminal 2A is suspended in the terminal groove 12, and the welded portion 22 extends rearwardly out of the base portion 11 through the slit 13. The second conductive terminal 2B and the detecting terminal 3 are housed in the channel 14. The connecting portion 23 of the second conductive terminal 2B and the intermediate portion 32 of the detecting terminal 3 are juxtaposed in the channel 14 in parallel, and the soldering feet 22, 33 extend rearwardly out of the base portion 11 through the slit 13. The detecting terminal 3 is closer to the side portion 15 of the insulative housing 1 with respect to the second conductive terminal 2B. Finally, the cover body 4 is fastened to the insulative housing 1 so that the top wall 41 of the cover body 4 covers the upper portion of the insulative housing 1 and the side wall 42 is wrapped around the side portion 15 of the insulative housing 1 . In the recessed portion 17, the elastic arm 422 elastically abuts against the recess 151 of the side portion 15. In conjunction with the fourth figure, a receiving space 16 for receiving the electronic card 200 is formed between the cover 3 and the insulative housing 1. The contact portions 21 of the first and second conductive terminals 2A, 2B protrude into the accommodating space 16.

The fourth figure reveals that the electronic card 200 is inserted into the receiving space 16 of the assembled card connector 100. The fifth figure reveals the position in which the electronic card 200 is inserted into the card connector 100. At this time, the contact portions 21 of the first and second conductive terminals 2A, 2B are in contact with the electronic card 200 and are pressed downward by the electronic card 200. When the contact portion 21 of the second conductive terminal 2B is pressed downward, the conductive portion 24 provided at the front end thereof is moved downward and is in contact with and electrically connected to the sensing portion 31 of the detecting terminal 3, thereby functioning as a detecting.

The manufacturing process of the first and second conductive terminals 2A, 2B and the detecting terminal 3 will be described below. In combination with the third and sixth figures, the first and second conductive terminals 2A, 2B and the detecting terminal 3 are coplanar in the first direction after being cut by the material drawing process from the same tape. Column configuration. The stamped detection terminal 3 is formed. Referring to the third figure, in the process, the second conductive terminal 2B has an extended portion 24 extending from the front end of the detecting terminal 3. The first and second conductive terminals 2A, 2B after the blanking are formed into a contact portion 21 which is bent upward into the same curvature by the bending process using the same mold. The extended portion 24 on the contact portion 21 of the second conductive terminal 2B is lifted up to form the conductive portion 24. The intermediate portion 32 of the detecting terminal 3 and the connecting portion 23 of the first and second conductive terminals 2A and 2B which are formed by the bending process have a coplanar shape.

As can be seen from the above analysis, the first and second conductive terminals 2A and 2B and the detecting terminal 3 are punched from the same tape, so that the connecting portion 23 and the intermediate portion 32 of the three are arranged in a coplanar configuration in parallel. The second conductive terminal 2B placed on the same tape has an extended portion 24 extending in front of the detecting terminal 3 and connected to the front of the detecting terminal 3. The extending portion 24 is lifted up during the formation of the contact portion 21 to be a conduction portion 24 suspended above the detecting terminal 3, and the step of providing the conductive portion is not required. The detecting terminal 3 is formed by the material drawing and stamping process, and can be directly used without performing a processing process. Then, the stamped first and second conductive terminals 2A, 2B are bent by the same mold. Through the above operation, it is only necessary to use a single strip to pass through the same mold to simultaneously form a plurality of terminals having a conductive function and a detecting function, and it is not necessary to re-collect or open the mold, thereby saving process and cost.

In summary, the present invention complies with the requirements of the invention patent and submits a patent application according to law. However, the above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above embodiments, and those skilled in the art will be able to make equivalent modifications or variations in accordance with the spirit of the present invention. It should be covered by the following patent application.

100‧‧‧Electrical connector

1‧‧‧Insulating body

200‧‧‧electronic card

2A‧‧‧First conductive terminal

2B‧‧‧Second conductive terminal

24‧‧‧Training Department

3‧‧‧Detection terminal

4‧‧‧ cover

Claims (10)

A card connector for inserting an electronic card, comprising: an insulative housing having a receiving space for receiving an electronic card; a detecting terminal received in the insulating body; and a plurality of conductive terminals received in the insulating body; The first conductive terminal for electrically conducting and the second conductive terminal for performing a detecting function with the detecting terminal; wherein the first and second conductive terminals and the detecting terminal are self-drilled The material stamping process is arranged side by side in the first direction after being blanked, and the first and second conductive terminals after the blanking are made into the contact portion of the same direction bending by the bending process, and the contact portion of the second conductive terminal has the suspension When the electronic card is inserted into the position of the receiving space, the second conductive terminal is pressed downward and the conductive portion is in contact with the detecting terminal to achieve the detecting function. The card connector of claim 1, wherein in the picking and stamping process, the first and second conductive terminals and the detecting terminal are integrally stamped from the same strip. The card connector of claim 2, wherein the first and second conductive terminals and the detecting terminal formed by the material drawing process are coplanar, and the middle portion and the middle portion of the detecting terminal are The connecting portions of the first and second conductive terminals formed in the bending step are arranged in a coplanar manner. The card connector of claim 2, wherein in the picking process, the second conductive terminal has an extended portion extending from a front end of the detecting terminal, and the second conductive terminal passes through the bending process When bent, the extended portion is lifted up to form the conductive portion. The card connector of claim 1, wherein the first and second conductive terminals in the bending process are bent upward by the same mold to form a contact portion. The card connector of claim 5, wherein the contact portions of the first and second conductive terminals are bent into the same arc along the same direction. The card connector of claim 5, wherein the second conductive terminal is located between the first conductive terminal and the detecting terminal. The card connector of claim 1, wherein the detecting terminal has a sensing portion corresponding to a contact portion of the first conductive terminal, and when the electronic card is inserted into a position of the receiving space, the second The conductive portion of the conductive terminal is electrically connected to the sensing portion of the detecting terminal to implement a detecting function. The card connector of claim 1, wherein the insulative housing comprises a base portion, a terminal slot for receiving the plurality of first conductive terminals in the base portion, and a parallel arrangement with the terminal slot for receiving the second conductive terminal and detecting The base of the terminal is further provided with a plurality of slits respectively penetrating through the terminal slot and the channel, and the first and second conductive terminals and the detecting terminal have a soldering portion extending from the slit to the base portion respectively . The card connector of claim 9, wherein the insulative housing comprises a pair of recesses provided on a bottom surface of the base, and a pair of side portions extending downward from the base, the side outer surface being provided with a pair of recesses The card connector further includes a cover body having a resilient arm abutting against the recess and a pair of side walls covering the side of the insulative housing, the end of the side wall being bent inwardly to form a recessed portion Buckle.