A double-sided contact socket

Abstract

The application discloses a double-sided contact card holder, which comprises a PCB board, a mounting support arranged on the PCB board, a first connecting part and a second connecting part, a mounting cavity formed between the PCB board and the mounting support, and a card insertion opening communicated with the mounting cavity, the first connecting part is arranged on one side of the PCB board facing the mounting support and is electrically connected with the PCB board and located in the mounting cavity, the second connecting part is arranged on one side of the mounting support facing the PCB board and is electrically connected with the PCB board and located in the mounting cavity, bidirectional plug-in IC cards are realized, the double-sided contact card holder is more convenient to use, the first connecting part and the second connecting part are integrated in the mounting cavity, the structure is compact, the overall volume is small, and the thickness is thinnest.

Description

Technical Field

[0001] This application relates to the field of electronic connector technology, and in particular to a double-sided contact socket. Background Technology

[0002] IC card sockets, as common connectors in electronic devices, directly affect the insertion stability, conductivity, and lifespan of IC cards through their structural design. With the miniaturization and thinning of electronic devices, traditional unidirectional contact IC card sockets can no longer meet the needs of bidirectional insertion. Currently, most mainstream IC card sockets on the market are unidirectional contact designs, requiring users to insert IC cards in a fixed orientation; otherwise, information cannot be read correctly, causing inconvenience.

[0003] To solve the above problems, the existing technologies mainly adopt the following solutions: First, a one-way contact design is adopted, which ensures that the IC card can only be inserted in a fixed direction through the guide groove. The advantage is that the structure is simple and the cost is low, but the disadvantage is that it is inconvenient to use. Second, a two-way contact design is adopted, which sets two sets of contact terminals inside the card holder, corresponding to the front and back of the IC card respectively. The advantage is that it is easy to use, but the disadvantage is that the structure is complex and the size is large. Utility Model Content

[0004] In order to improve the shortcomings of existing unidirectional contact IC card sockets, which are inconvenient to use and bidirectional contact IC card sockets, which are complex in structure and large in size and cannot meet the requirements of thin and light electronic devices, this application provides a double-sided contact card socket.

[0005] The double-sided contact card holder provided in this application adopts the following technical solution: A double-sided contact card holder includes: a PCB board; a mounting bracket disposed on the PCB board, wherein a mounting cavity is formed between the PCB board and the mounting bracket, and an insertion slot communicating with the mounting cavity; a first connecting portion disposed on the side of the PCB board facing the mounting bracket and electrically connected to the PCB board, and located in the mounting cavity; and a second connecting portion disposed on the side of the mounting bracket facing the PCB board and located in the mounting cavity and electrically connected to the PCB board.

[0006] By adopting the above technical solution, the mounting bracket is installed on the PCB board to form a mounting cavity and a card slot. The first connecting part and the second connecting part are arranged vertically in the mounting cavity to realize bidirectional insertion of IC cards, which is more convenient to use. Moreover, the first connecting part and the second connecting part are integrated in the mounting cavity, resulting in a compact structure, small overall size, and minimal thickness.

[0007] Preferably, the mounting bracket is provided with an insertion slot, and the second connecting part is detachably inserted into the insertion slot.

[0008] By adopting the above technical solution, during assembly, the second connecting part is first inserted into the insertion slot, and then the mounting bracket together with the second connecting part is installed on the PCB board. The second connecting part is detachable and easy to assemble.

[0009] Preferably, the second connecting part includes an integrally injection-molded second insulating body and a second contact terminal. The second contact terminal includes a second contact point and a second pin. When the second connecting part is inserted into the insertion slot and the mounting bracket is disposed on the PCB board, the second contact point is located in the mounting cavity and the second pin is electrically connected to the PCB board.

[0010] By adopting the above technical solution, the second insulating body and the second contact terminal are integrally injection molded, resulting in a more robust structure and higher production efficiency. During assembly, the second insulating body is first inserted into the insertion slot, and then the mounting bracket is installed on the PCB board. At this time, the second pin is electrically connected to the PCB board, making assembly very convenient.

[0011] Preferably, the mounting bracket is provided with a plurality of snap-fit ​​springs extending into the insertion slot, and the second insulating body is provided with a plurality of snap-fit ​​slots corresponding to and matching the snap-fit ​​springs. When the second insulating body is inserted into the insertion slot, the snap-fit ​​springs are snapped into the corresponding snap-fit ​​slots.

[0012] By adopting the above technical solution, multiple snap-fit ​​grooves are provided on the outer wall of the second insulating body. After the second insulating body is inserted into the insertion groove, the snap-fit ​​spring is snapped into the corresponding snap-fit ​​groove, which restricts the second insulating body from detaching from the snap-fit ​​groove, making disassembly and assembly convenient.

[0013] Preferably, when the mounting bracket is disposed on the PCB board, an outlet is formed on the side of the PCB board away from the insertion slot, and the outlet is connected to the mounting cavity.

[0014] By adopting the above technical solution, dust and foreign objects can be effectively removed, extending the service life.

[0015] Preferably, the mounting bracket includes a base plate and a side plate extending along the edge of the base plate toward the PCB board, and the side plate has a supporting protrusion extending toward the mounting cavity.

[0016] By adopting the above technical solution, when the IC card is inserted into the mounting cavity, it is supported by the support protrusion, which restricts the IC card from moving downward and enhances the conductivity.

[0017] Preferably, the side plate portion has a first limiting protrusion extending toward the mounting cavity.

[0018] By adopting the above technical solution, when the IC card is inserted into the installation cavity, its side wall abuts against the first limiting protrusion, which enhances the insertion and removal force and makes the card insertion more stable.

[0019] Preferably, the base plate portion has a second limiting protrusion extending toward the mounting cavity.

[0020] By adopting the above technical solution, when the IC card is inserted into the installation cavity, its upper surface abuts against the second limiting protrusion, which enhances the insertion and removal force and makes the card insertion more stable.

[0021] Preferably, the first connection portion includes a first insulating body disposed on the PCB board and a first contact terminal integrally injection molded with the first insulating body. The first contact terminal includes a first contact point and a first pin. The first pin is electrically connected to the PCB board, and the first contact point is located in the mounting cavity.

[0022] By adopting the above technical solution, the first insulating body and the first contact terminal are integrally injection molded, resulting in a more robust structure and higher production efficiency. During assembly, the first insulating body is first placed on the PCB board, ensuring that the first pin is electrically connected to the PCB board, and then the first insulating body is welded and fixed to the PCB board.

[0023] Preferably, the mounting bracket is provided with multiple insertion pins, and the PCB board is provided with multiple insertion holes that correspond to and match the insertion pins.

[0024] By adopting the above technical solution, the insertion pins and insertion holes are inserted and then welded to fix them, which not only makes the structure more stable, but also plays a positioning role, ensuring that the contact point is electrically connected to the first or second connection part when the IC card is inserted.

[0025] In summary, this application includes at least one of the following beneficial technical effects: 1. Enables bidirectional insertion of IC cards, making them more convenient to use. The first and second connecting parts are integrated into the mounting cavity, resulting in a compact structure, small overall size, and minimal thickness. 2. The second connecting part can be detachably inserted into the insertion slot, making assembly and disassembly convenient; 3. An outlet is formed on the side of the PCB board away from the insertion slot, which effectively removes dust and foreign objects and extends service life; 4. The first and second limit protrusions are set to enhance the insertion and removal force of the card and make the card insertion more stable. Attached Figure Description

[0026] Figure 1 This is a three-dimensional structural diagram of the double-sided contact card holder after an IC card is inserted, according to an embodiment of this application.

[0027] Figure 2 This is a schematic diagram of the structure of the double-sided contact card holder according to an embodiment of this application.

[0028] Figure 3This is a cross-sectional structural diagram of the double-sided contact card holder according to an embodiment of this application.

[0029] Figure 4 This is an exploded structural diagram of the double-sided contact card holder according to an embodiment of this application. Figure 1 .

[0030] Figure 5 This is an exploded structural diagram of the double-sided contact card holder according to an embodiment of this application. Figure 2 .

[0031] Explanation of reference numerals in the attached figures: 1. PCB board; 2. Mounting bracket; 21. Base plate; 22. Side plate; 221. Support protrusion; 3. Mounting cavity; 4. Insertion slot; 5. First connecting part; 51. First insulating body; 52. First contact terminal; 521. First contact point; 522. First pin; 6. Second connecting part; 61. Second insulating body; 611. Snap-on groove; 62. Second contact terminal; 621. Second contact point; 622. Second pin; 7. Insertion slot; 8. Snap-on spring; 9. Discharge port; 10. First limiting protrusion; 11. Second limiting protrusion; 12. Insertion plate foot; 13. Insertion plate hole; 100. IC card. Detailed Implementation

[0032] The following is in conjunction with the appendix Figures 1 to 5 This application will be described in further detail.

[0033] This application discloses a double-sided contact card holder. (Refer to...) Figure 1 It includes a PCB board 1, a mounting bracket 2 disposed on the PCB board 1, a first connecting part 5 and a second connecting part 6. A mounting cavity 3 is formed between the PCB board 1 and the mounting bracket 2, and a slot 4 communicating with the mounting cavity 3. The first connecting part 5 is disposed on the side of the PCB board 1 facing the mounting bracket 2 and is electrically connected to the PCB board 1, and is located in the mounting cavity 3. The second connecting part 6 is disposed on the side of the mounting bracket 2 facing the PCB board 1 and is located in the mounting cavity 3 and is electrically connected to the PCB board 1.

[0034] In this application, the mounting bracket is installed on the PCB board to form a mounting cavity and a card slot. The first connecting part and the second connecting part are arranged vertically in the mounting cavity. In use, when the IC card 100 is inserted into the card slot with the contact point facing upward, it can be electrically connected to the second connecting part. When the IC card 100 is inserted into the card slot with the contact point facing downward, it can be electrically connected to the first connecting part. That is, no matter whether the IC card is inserted from the front or the back, the chip of the IC card can stably contact and conduct with one of the first connecting part and the second connecting part, realizing the electrical connection between the IC card and the bidirectional contact IC card socket connector, thereby reading or accessing the information stored in the IC card, realizing bidirectional insertion of IC cards, which is more convenient to use. Moreover, the first connecting part and the second connecting part are integrated in the mounting cavity, resulting in a compact structure, small overall size, and minimal thickness.

[0035] Furthermore, such as Figure 5 As shown, the mounting bracket 2 described in this application is provided with an insertion slot 7, and the second connecting part 6 is detachably inserted into the insertion slot 7. This allows the second connecting part to be inserted into the insertion slot first during assembly, and then the mounting bracket together with the second connecting part to be mounted on the PCB board. The second connecting part is detachable and easy to assemble.

[0036] Furthermore, such as Figure 3-5 As shown, the second connecting part 6 of this application includes a second insulating body 61 integrally injection molded and a second contact terminal 62. The integral injection molding makes the structure more robust and the production efficiency higher. In addition, the second contact terminal 62 includes a second contact point 621 and a second pin 622. When the second connecting part 6 is inserted into the insertion slot 7 and the mounting bracket 2 is provided on the PCB board 1, the second contact point 621 is located in the mounting cavity 3 and the second pin 622 is electrically connected to the PCB board 1. During assembly, the second insulating body is first inserted into the insertion slot, and then the mounting bracket is installed on the PCB board. At this time, the second pin is electrically connected to the PCB board, making assembly very convenient.

[0037] Furthermore, to facilitate easier assembly and disassembly, enhance structural stability, and prevent the second insulating body 61 from detaching from the insertion slot 7, the mounting bracket 2 is provided with multiple snap-fit ​​springs 8 extending into the insertion slot 7. The second insulating body 61 is provided with multiple snap-fit ​​slots 611 corresponding to and matching the snap-fit ​​springs 8. When the second insulating body 61 is inserted into the insertion slot 7, the snap-fit ​​springs 8 are engaged in the corresponding snap-fit ​​slots 611. Multiple snap-fit ​​slots are provided on the outer wall of the second insulating body. After the second insulating body is inserted into the insertion slot, the snap-fit ​​springs are engaged in the corresponding snap-fit ​​slots, preventing the second insulating body from detaching from the snap-fit ​​slots, thus facilitating assembly and disassembly.

[0038] Furthermore, such as Figure 2As shown, when the mounting bracket 2 is placed on the PCB board 1, a discharge port 9 is formed on the side of the PCB board 1 away from the card slot 4. The discharge port 9 is connected to the mounting cavity 3. In use, when the IC card is inserted into the mounting cavity, foreign objects in the mounting cavity 3 will be discharged from the discharge port 9. The discharge port 9 can effectively remove dust and foreign objects, extending its service life.

[0039] Furthermore, the mounting bracket 2 includes a base plate portion 21 and a side plate portion 22 extending along the edge of the base plate portion 21 toward the PCB board 1. The side plate portion 22 has a supporting protrusion 221 extending toward the mounting cavity 3. The supporting protrusion 221 supports the IC card and has a guiding and limiting effect on the IC card, restricting the IC card from moving downward and enhancing the conductivity.

[0040] Furthermore, the side plate portion 22 extends towards the mounting cavity 3 with a first limiting protrusion 10. When the IC card is inserted into the mounting cavity, its side wall abuts against the first limiting protrusion, enhancing the insertion and removal force and making the card insertion more stable.

[0041] To further improve the insertion and removal force, the base plate 21 extends towards the mounting cavity 3 with a second limiting protrusion 11, so that when the IC card is inserted into the mounting cavity, its upper surface abuts against the second limiting protrusion.

[0042] Furthermore, the first connecting portion 5 includes a first insulating body 51 disposed on the PCB board 1, and a first contact terminal 52 integrally injection molded with the first insulating body 51. The first contact terminal 52 includes a first contact point 521 and a first pin 522. The first pin 522 is electrically connected to the PCB board 1, and the first contact point 521 is located in the mounting cavity 3. The first insulating body and the first contact terminal are integrally injection molded, resulting in a more robust structure and higher production efficiency. During assembly, the first insulating body is first placed on the PCB board, ensuring that the first pin is electrically connected to the PCB board, and then the first insulating body is soldered and fixed to the PCB board.

[0043] In addition, the mounting bracket 2 is provided with multiple insertion pins 12, and the PCB board 1 is provided with multiple insertion holes 13 that correspond to and match the insertion pins 12. After the insertion pins and insertion holes are inserted, they are then soldered to fix them, which not only makes the structure more stable, but also plays a positioning role, ensuring that the contact point is electrically connected to the first connection part or the second connection part when the IC card is inserted.

[0044] The implementation principle of a double-sided contact card holder in this application embodiment is as follows: A mounting cavity is formed between the mounting bracket and the PCB board. A first insulating body and a second insulating body are arranged vertically opposite each other inside the mounting cavity. A first contact point in the first insulating body extends into the mounting cavity, and a second contact point on the second insulating body extends into the mounting cavity. When the IC card is inserted into the mounting cavity from the card slot, regardless of whether the IC card is inserted from the front or the back, the IC card chip can make stable contact and conduction with one of the first contact points or the second contact points, realizing the electrical connection between the IC card and the double-sided contact card holder of this application, thereby reading or accessing the information stored in the IC card. Moreover, the structure is compact, the overall size is small, and the thickness is minimized.

[0045] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A double-sided contact card holder, characterized in that, include: PCB board (1); Mounting bracket (2) is disposed on PCB board (1), and mounting cavity (3) and slot (4) communicating with mounting cavity (3) are formed between PCB board (1) and mounting bracket (2); The first connecting part (5) is provided on the side of the PCB board (1) facing the mounting bracket (2) and is electrically connected to the PCB board (1), and is located in the mounting cavity (3); The second connecting part (6) is located on the side of the mounting bracket (2) facing the PCB board (1) and is electrically connected to the PCB board (1) in the mounting cavity (3).

2. The double-sided contact card holder according to claim 1, characterized in that, The mounting bracket (2) is provided with an insertion slot (7), and the second connecting part (6) is detachably inserted into the insertion slot (7).

3. A double-sided contact card holder according to claim 2, characterized in that, The second connecting part (6) includes an integrally injection molded second insulating body (61) and a second contact terminal (62). The second contact terminal (62) includes a second contact point (621) and a second pin (622). When the second connecting part (6) is inserted into the insertion slot (7) and the mounting bracket (2) is disposed on the PCB board (1), the second contact point (621) is located in the mounting cavity (3) and the second pin (622) is electrically connected to the PCB board (1).

4. A double-sided contact card holder according to claim 3, characterized in that, The mounting bracket (2) is provided with a plurality of snap-fit ​​springs (8) extending into the insertion slot (7), and the second insulating body (61) is provided with a plurality of snap-fit ​​slots (611) corresponding to and matching the snap-fit ​​springs (8). When the second insulating body (61) is inserted into the insertion slot (7), the snap-fit ​​springs (8) are snapped into the corresponding snap-fit ​​slots (611).

5. A double-sided contact card holder according to claim 1, characterized in that, When the mounting bracket (2) is placed on the PCB board (1), an outlet (9) is formed on the side of the PCB board (1) away from the insertion slot (4), and the outlet (9) is connected to the mounting cavity (3).

6. A double-sided contact card holder according to claim 1, characterized in that, The mounting bracket (2) includes a base plate (21) and a side plate (22) extending along the edge of the base plate (21) toward the PCB board (1). The side plate (22) has a support protrusion (221) extending toward the mounting cavity (3).

7. A double-sided contact card holder according to claim 6, characterized in that, The side plate portion (22) has a first limiting protrusion (10) extending toward the mounting cavity (3).

8. A double-sided contact card holder according to claim 6, characterized in that, The base plate (21) has a second limiting protrusion (11) extending toward the mounting cavity (3).

9. A double-sided contact card holder according to claim 1, characterized in that, The first connecting part (5) includes a first insulating body (51) disposed on the PCB board (1) and a first contact terminal (52) integrally injection molded with the first insulating body (51). The first contact terminal (52) includes a first contact point (521) and a first pin (522). The first pin (522) is electrically connected to the PCB board (1), and the first contact point (521) is located in the mounting cavity (3).

10. A double-sided contact card holder according to claim 1, characterized in that, The mounting bracket (2) is provided with a plurality of insert pins (12), and the PCB board (1) is provided with a plurality of insert holes (13) corresponding to and matching the insert pins (12).

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