POS machine IC card wall and physical security protection circuit integrated structure

Abstract

This utility model discloses an integrated structure of IC card slot wall and physical security protection circuit for a POS machine. This solution achieves a compact installation design by combining a PCB board, a plastic card slot wall, and a flexible sheet with physical security protection circuitry. The elastic element on the plastic card slot wall abuts against the PCB board, ensuring that the circuit conduction points on the extension align with the contacts on the PCB board. This allows the physical security protection circuit on the flexible sheet to be powered and provide protection. The plastic card slot wall features positioning protrusions that cooperate with positioning holes on the extension, facilitating installation. This solution integrates the original POS machine's protective structure from several parts into a single assembly, effectively reducing the overall thickness of the IC card slot assembly, lowering the cost of the POS machine, and improving security. It also frees the placement of the IC card reader from physical security requirements limited to the inside of the screen or buttons, providing greater flexibility for stacking designs.

Description

Technical Field

[0001] This utility model relates to the field of POS machine IC card reader structure, and in particular to an integrated structure of POS machine IC card insertion wall and physical security protection circuit. Background Technology

[0002] Inside a POS machine, the IC card slot typically consists of an IC card socket and two card insertion walls. One card insertion wall is a PCB board, which also serves to secure the IC card socket, while the other wall is generally made of plastic. As a financial payment terminal, ensuring the security of a POS machine is a crucial technical focus. Because malicious actors can easily attack POS machines through the plastic card insertion walls, leading to information leaks, POS machine manufacturers generally, in addition to incorporating physical protection circuitry (usually mounted on a flexible sheet) on the sides of the card insertion walls, also design an additional layer of physical security protection on the outside of the plastic wall (usually a PCB board or screen). This design increases the overall thickness of the POS machine, limiting the stacking layout of the IC card slots and thus hindering the design of compact and miniaturized POS machines. Summary of the Invention

[0003] In view of this, the purpose of this utility model is to propose an integrated structure of POS machine IC card insert wall and physical security protection circuit that is simple in structure, compact in overall design and reliable in implementation.

[0004] To achieve the above-mentioned technical objectives, the technical solution adopted by this utility model is as follows:

[0005] An integrated structure of a POS machine IC card holder and physical security protection circuit includes an IC card socket, a PCB board, a plastic card holder, and a flexible sheet. The IC card socket is disposed on one side of the PCB board. The flexible sheet has a physical security protection circuit. The plastic card holder spans one side of the PCB board, with its two ends forming legs that are respectively connected to the two ends of the PCB board. A gap is formed between the middle of the plastic card holder and the PCB board to accommodate the IC card socket. The flexible sheet is attached to the side of the plastic card holder away from the PCB board, with one end forming a bent portion. The bent portion passes around one end of the plastic card holder and forms an extension portion. The extension portion passes between one end of the plastic card holder's leg and the PCB board and is in contact with the PCB board. The extension portion has a circuit connection point, and the PCB board has a contact point corresponding to the circuit connection point for electrical connection.

[0006] As a possible implementation, further, one end of the plastic insert wall of this solution is provided with an elastic element, which abuts against the extension of the flexible sheet, so that the extension is abutted and fixed on the PCB board.

[0007] As one possible implementation, the elastic element of this solution abuts against the area on the extension where a circuit connection point is provided, so that the circuit connection point abuts against the contact point on the PCB board.

[0008] As a preferred implementation option, the circuit connection points in this solution are preferably one or more, and the number of contacts is also preferably one or more.

[0009] As a preferred implementation option, the plastic insert wall of this solution is provided with a receiving groove for accommodating an elastic element on one end of the support leg. One end of the elastic element is inserted into the receiving groove, and the other end protrudes from the receiving groove and abuts against the extension of the flexible sheet.

[0010] As a preferred implementation option, the number of elastic elements in this solution is one or more, and their material is silicone or elastic plastic.

[0011] As a preferred implementation option, the support foot at one end of the plastic insert wall in this solution is further provided with a positioning protrusion, and the extension of the flexible sheet is provided with a positioning hole that cooperates with the positioning protrusion. When the extension is inserted between the support foot at one end of the plastic insert wall and the PCB board, the positioning protrusion is inserted into the positioning hole, so that the extension is movably constrained, and the circuit conduction point is directly opposite the contact point.

[0012] As a preferred implementation option, the flexible sheet adhesive bonding or in-mold injection molding pre-bonding described in this solution is preferably performed on the side of the plastic insert card wall away from the PCB board.

[0013] As a preferred implementation option, the edge of the flexible sheet in this solution further extends to the side or bottom of the plastic insert wall.

[0014] By adopting the above technical solution, the present invention has the following advantages compared with the prior art: The ingenious design of this solution involves a compact installation of the PCB board, the plastic insert wall, and the flexible sheet with physical safety protection circuitry. An elastic element on the plastic insert wall keeps the extension of the flexible sheet in contact with the PCB board, ensuring that the circuit connection points on the extension are directly aligned with the contacts on the PCB board. This allows the physical safety protection circuitry on the flexible sheet to be powered and provide protection. Furthermore, the plastic insert wall is equipped with positioning protrusions that connect to the extension. The positioning holes on the upper part are matched to make the installation of the extension part more convenient, flexible and reliable. This solution integrates the original POS machine's protective structure from several parts (plastic card reader wall + security PCB + zebra strip bracket + zebra strip) into a single part assembly "integrated structure". This effectively reduces the overall thickness of the IC card slot assembly, which can reduce the cost of the POS machine and improve security. At the same time, it is also more convenient and flexible to assemble, so that the placement of the IC card reader is no longer limited by physical security requirements to the inside of the screen, the inside of the button PCB, etc., giving more flexibility to the stacking design. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a three-dimensional perspective diagram of the simplified implementation structure of this scheme;

[0017] Figure 2 This is one of the three-dimensional exploded view diagrams of the simplified implementation structure of this scheme;

[0018] Figure 3 This is the second three-dimensional exploded view of the simplified implementation structure of this scheme;

[0019] Figure 4 This is the third three-dimensional exploded view of the simplified implementation structure of this solution, which shows the arrangement of other component structures after the PCB board is separated;

[0020] Figure 5 This is one of the three-dimensional cross-sectional view diagrams of the simplified implementation structure of this scheme;

[0021] Figure 6 This is the second three-dimensional cross-sectional view of the simplified implementation structure of this scheme. Detailed Implementation

[0022] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be particularly noted that the following embodiments are only for illustrating the present invention and do not limit the scope of the present invention. Similarly, the following embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present invention.

[0023] Combination Figures 1 to 6 As shown in the figure, this solution provides an integrated structure of a POS machine IC card holder and physical security protection circuit, including an IC card socket 1, a PCB board 2, a plastic card holder 3, and a flexible sheet 4. The IC card socket 1 is disposed on one side of the PCB board 2. The flexible sheet 4 is provided with a physical security protection circuit. The plastic card holder 3 spans across one side of the PCB board 2, with its two ends forming supports 31 and respectively connected to the two ends of the PCB board 2. A receiving space is formed between the middle of the plastic card holder 3 and the PCB board 2. The gap 21 of IC card holder 1; the flexible sheet 4 is attached to the side of the plastic card wall 3 away from the PCB board 2, one end of which is provided as a bent part 41. The bent part 41 passes around one end of the plastic card wall 3 and forms an extension part 42. The extension part 42 passes between one end support 31 of the plastic card wall 3 and the PCB board 2 and is attached to the PCB board 2; the extension part 42 is provided with a circuit conduction point 43, and the PCB board 2 is provided with a contact 22 that is electrically connected to the circuit conduction point 43.

[0024] In this solution, in order to improve the contact reliability between the extension 42 and the PCB board 2, and to improve the electrical connection stability between the circuit connection point 43 and the contact 22, as a possible implementation, one end of the plastic insert wall 3 is provided with an elastic element 34. The elastic element 34 abuts against the extension 42 of the flexible sheet 4, so that the extension 42 is abutted and fixed on the PCB board 2. Preferably, the elastic element 34 abuts against the area on the extension 42 where the circuit connection point 43 is provided, so that the circuit connection point 43 abuts against the contact 22 on the PCB board 2.

[0025] Regarding the number of circuit connection points 43, as a preferred implementation option, the circuit connection points 43 in this solution are preferably one or more, and the number of contacts 22 is correspondingly one or more.

[0026] To improve the installation reliability of the elastic element 34, as a preferred implementation option, preferably, the support leg 31 at one end of the plastic insert wall 3 of this solution is provided with a receiving groove 32 for accommodating the elastic element, one end of the elastic element 34 is inserted into the receiving groove 32, and the other end protrudes from the receiving groove 32 and abuts against the extension 42 of the flexible sheet 4; preferably, the number of elastic elements 34 in this solution is one or more, and their material can be silicone or elastic plastic.

[0027] To improve the reliability of the positional installation of the extension 42 and prevent it from shifting due to lateral forces, as a preferred implementation option, the support leg 31 at one end of the plastic insert wall 3 is further provided with a positioning protrusion 33, and the extension 42 of the flexible sheet 4 is provided with a positioning hole 421 that cooperates with the positioning protrusion 33. When the extension 42 is inserted between the support leg 31 at one end of the plastic insert wall 3 and the PCB board 2, the positioning protrusion 33 is inserted into the positioning hole 421, so that the extension 42 is movably constrained, and the circuit conduction point 43 is directly opposite the contact point 22.

[0028] With this structural approach, during installation, the main body of the flexible sheet 4 is first pre-attached to the side of the plastic insert wall 3 away from the PCB board 2. Then, by bending the bending part 41 around one end of the plastic insert wall 3, the extension part 42 is brought into contact with the support leg 41. At the same time, the elastic element 34 and the positioning protrusion 33 are respectively engaged with the circuit connection point 43 and the positioning hole 421 on the extension part 42 to complete the initial installation of the flexible sheet 2. Then, the plastic insert wall 3 with the flexible sheet 2 is assembled with the PCB board 2, so that the physical safety protection circuit on the flexible sheet 2 and the PCB board 2 are connected to the contact point 22 through the circuit connection point 43.

[0029] As a preferred implementation option, the flexible sheet 2 in this solution can be pre-attached to the side of the plastic insert wall 3 away from the PCB board 2 by adhesive bonding or in-mold injection molding. In this structure, the flexible sheet 2 covers the outside of the plastic insert wall 3. The flexible sheet 2 cannot be torn off, or if the flexible sheet 2 is torn off, the internal safety protection circuit of the flexible sheet 2 will be damaged, thereby achieving a safety protection function and meeting the safety protection requirements. Preferably, the edge of the flexible sheet 2 in this solution can also extend to the side or bottom of the plastic insert wall 3 to achieve more comprehensive physical safety protection.

[0030] Through the structural form of this embodiment, the original POS machine's protective structure is integrated from several parts (plastic card reader wall + security PCB + zebra strip bracket + zebra strip) into a single component assembly, forming an "integrated structure". This effectively reduces the overall thickness of the IC card slot assembly, thereby reducing the cost of the POS machine and improving security. At the same time, it is more convenient and flexible to assemble, so that the placement of the IC card reader is no longer limited by physical security requirements to the inside of the screen, the inside of the button PCB, etc., giving more flexibility to the stacking design.

[0031] The above description is only a part of the embodiments of this utility model, and does not limit the scope of protection of this utility model. Any equivalent device or equivalent process transformation made based on the content of this utility model specification and drawings, or direct or indirect application in other related technical fields, are similarly included in the patent protection scope of this utility model.

Claims

1. An integrated structure of IC card holder and physical security protection circuit for a POS machine, comprising an IC card holder, a PCB board, a plastic card holder, and a flexible sheet; the IC card holder is disposed on one side of the PCB board, and the flexible sheet is provided with a physical security protection circuit, characterized in that: The plastic insert wall spans one side of the PCB board, with its two ends forming support legs and respectively connected to the two ends of the PCB board. A gap for accommodating the IC card slot is formed between the middle of the plastic insert wall and the PCB board. The flexible sheet is attached to the side of the plastic insert wall away from the PCB board, with one end being a bent portion. The bent portion passes around one end of the plastic insert wall and forms an extension portion. The extension portion passes between one end of the plastic insert wall support and the PCB board and is in contact with the PCB board. The extension portion is provided with a circuit connection point, and the PCB board is provided with a contact point electrically connected to the circuit connection point.

2. The POS IC card wall and physical security protection circuit integrated structure of claim 1, wherein, An elastic element is provided on one end of the plastic insert wall. The elastic element abuts against the extension of the flexible sheet, so that the extension is abutted and fixed on the PCB board.

3. The integrated structure of POS machine IC card insert wall and physical security protection circuit as described in claim 1, characterized in that, The elastic element abuts against the area on the extension where a circuit connection point is provided, so that the circuit connection point abuts against the contact point on the PCB board.

4. The POS IC card wall integrated with physical security protection circuit according to claim 2 or 3, characterized in that, The number of circuit connection points is one or more, and the number of contacts is one or more.

5. The POS IC card wall integrated with physical security protection circuit according to claim 2 or 3, wherein, The plastic insert wall has a support foot at one end with a receiving groove for accommodating an elastic element. One end of the elastic element is inserted into the receiving groove, and the other end protrudes from the receiving groove and abuts against the extension of the flexible sheet.

6. The POS IC card wall and physical security protection circuit integrated structure of claim 5, wherein, The number of elastic elements is one or more, and their material is silicone or elastic plastic.

7. The POS IC card wall and physical security protection circuit integrated structure of claim 5, wherein, The support leg at one end of the plastic insert wall is also provided with a positioning protrusion. The extension of the flexible sheet is provided with a positioning hole that cooperates with the positioning protrusion. When the extension is inserted between the support leg at one end of the plastic insert wall and the PCB board, the positioning protrusion is inserted into the positioning hole, so that the extension is movably constrained, and the circuit conduction point is directly opposite the contact point.

8. The POS IC card wall and physical security protection circuit integrated structure of claim 1, wherein, The flexible sheet is adhesively bonded or pre-bonded by in-mold injection molding on the side of the plastic insert wall away from the PCB board.

9. The POS IC card wall and physical security protection circuit integrated structure of claim 1, wherein, The edge of the flexible sheet also extends to the side or bottom of the plastic insert wall.

Images