Waterproof IC card seat

Abstract

The application discloses a waterproof IC card seat, which comprises a first shell and a second shell. The first shell is arranged opposite to the second shell and is abutted. The outer peripheral wall of the first shell is provided with a clamping part, and the outer peripheral wall of the second shell is provided with a clamping groove. The clamping part is opposite to the clamping groove. The first shell and the second shell are fixedly connected through the clamping part and the clamping groove. The first shell and the second shell are limited to define a containing groove. The first shell is a metal piece. A circuit board is connected with the first shell and is located on the side wall of the second shell away from the first shell. The circuit board is abutted with the second shell. The clamping part is limited between the bottom wall of the clamping groove and the circuit board. The first shell is electrically connected with the ground wire of the circuit board. A card reading assembly is arranged in the containing groove and is used for inserting an IC card. The card reading assembly is suitable for being connected with the IC card. The first shell can be assembled with the second shell and can be connected with the ground wire of the circuit board.

Description

Technical Field

[0001] This application relates to the field of IC card sockets, and in particular to a waterproof IC card socket. Background Technology

[0002] In related technologies, the assembly of waterproof IC card sockets typically involves the connection and fixing of multiple components, making the traditional assembly process quite complex. In existing technologies, the components of waterproof IC card sockets need to be fixed with screws, and a separate grounding circuit is usually required, increasing the assembly steps. Specifically, operators must first fix screws to various parts of the housing to ensure a secure connection of the waterproof IC card socket, and then establish an electrical connection through an independent grounding structure to ensure the stability of the ground wire. This process is not only cumbersome but also demands a high level of skill from the operators. Improper operation or lack of experience during screw fixing and grounding can lead to screws not being tightened properly or poor grounding, thus affecting the stability and electrical performance of the waterproof IC card socket, reducing the efficiency of the entire assembly process and the reliability of the product. Utility Model Content

[0003] To facilitate the assembly of waterproof IC card sockets, this application provides a waterproof IC card socket.

[0004] The waterproof IC card socket provided in this application adopts the following technical solution: A waterproof IC card holder includes: a first housing and a second housing, the first housing and the second housing being opposite to each other and mutually abutting each other; the outer peripheral wall of the first housing having a snap-fit ​​portion, and the outer peripheral wall of the second housing having a snap-fit ​​groove; the snap-fit ​​portion and the snap-fit ​​groove being opposite to each other, and the first housing and the second housing being fixedly connected by snap-fitting the snap-fit ​​portion and the snap-fit ​​groove; a receiving groove defining a space between the first housing and the second housing; the first housing being constructed of a metal component; a circuit board, the circuit board being connected and mated with the first housing, and the circuit board being located on the side wall of the second housing away from the first housing; the circuit board being mutually abutting with the second housing; the snap-fit ​​portion being confined between the bottom wall of the snap-fit ​​groove and the circuit board; the ground wire of the first housing and the circuit board being electrically connected; and a card reader assembly, the card reader assembly being disposed in the receiving groove, the receiving groove being used for inserting an IC card, and the card reader assembly being adapted to communicate with the IC card.

[0005] By adopting the above technical solution, the locking parts of the first and second housings are fixed in place with the locking slots, ensuring a stable connection of the housings. The use of metal materials enhances the structural strength and electrical shielding function, preventing external electromagnetic interference. The circuit board maintains its stable position through its connection with the first housing and its stop-locking engagement with the second housing, preventing displacement caused by external vibration or force. The locking parts are confined between the bottom wall of the locking slot and the circuit board, further enhancing the stability of the structure, preventing loosening or poor contact, simplifying the assembly process, improving the stability and electrical performance of the card holder, reducing operational difficulty, and improving the reliability and performance of the waterproof IC card holder.

[0006] Preferably, the side wall of the first housing is provided with a limiting groove, and the side wall of the second housing is provided with a limiting part, the limiting part and the limiting groove being mutually limiting.

[0007] By adopting the above technical solution, a limiting groove is provided on the side wall of the first housing, and a limiting part that cooperates with the limiting groove is provided on the side wall of the second housing. The limiting part is inserted into the limiting groove to achieve a limiting fit. Thus, while the first housing and the second housing are engaged through the snap-fit ​​part and the snap-fit ​​groove, the relative position of the housings is further defined. Compared with the prior art, assembly workers can complete the precise docking of the housings without relying on screws for positioning, thereby reducing the dependence of the assembly process on the positioning accuracy of the operator, and thus improving the consistency and structural stability of the waterproof IC card holder assembly.

[0008] Preferably, there are multiple snap-fit ​​slots, which are spaced apart along the circumferential direction of the second housing, and multiple snap-fit ​​parts, which are respectively disposed on the side wall of the first housing, with the multiple snap-fit ​​parts and the multiple snap-fit ​​slots arranged in a one-to-one correspondence.

[0009] By adopting the above technical solution, multiple snap-fit ​​parts are provided on the side wall of the first housing, and multiple snap-fit ​​slots corresponding to the snap-fit ​​parts are provided in the circumferential direction of the second housing. During assembly, the multiple snap-fit ​​parts are sequentially inserted into the corresponding snap-fit ​​slots to achieve distributed snap-fit ​​engagement. When the multiple snap-fit ​​parts and multiple snap-fit ​​slots are engaged simultaneously, a multi-point positioning and fixed connection is formed between the first housing and the second housing. Compared with the prior art, operators do not need to use screws to fix the housing point by point to complete the stable connection of the waterproof IC card holder, thereby reducing the dependence on screw tools and operating skills during the assembly process, and thus improving the convenience and connection strength of the waterproof IC card holder assembly.

[0010] Preferably, the snap-fit ​​portion includes a connecting portion and a fixing portion. The connecting portion is connected and engaged with the first housing, and the fixing portion is connected and engaged with the connecting portion. The included angle between the central axis of the connecting portion and the central axis of the fixing portion is 90°. The snap-fit ​​groove is located on the end wall of the second housing near the circuit board. The fixing portion is opposite to the snap-fit ​​groove and snaps into the snap-fit ​​groove.

[0011] By adopting the above technical solution, the snap-fit ​​part is composed of a connecting part and a fixing part. The connecting part connects and cooperates with the first housing, and the fixing part is perpendicular to the connecting part and inserted into the snap-fit ​​groove near the end wall of the circuit board of the second housing. The fixing part snaps and cooperates with the snap-fit ​​groove to fix the housing. When the first housing is pushed forward axially, the fixing part is inserted vertically under the guidance of the connecting part and forms a stable snap-fit. Compared with the prior art, assembly workers do not need to align the screw holes one by one for fixing operations, thereby reducing the dependence on the direction and accuracy of manual force application during housing assembly, and thus improving the operational efficiency and housing connection accuracy of the waterproof IC card holder assembly process.

[0012] Preferably, the side walls at both ends of the first housing are provided with ground terminals, and the circuit board is provided with a ground connection part. The ground connection part and the ground terminal are arranged opposite to each other, and the ground terminal is inserted into the ground connection part and electrically connected to the ground connection part.

[0013] By adopting the above technical solution, ground terminals are provided on the side walls at both ends of the first housing, and ground connection parts are provided on the circuit board opposite to the ground terminals. When the circuit board is installed in place, the ground terminals are automatically inserted into the ground connection parts and electrically connected. At the same time, the ground terminals and ground connection parts are electrically connected to the external ground wire, forming a complete grounding path. Compared with the prior art, operators do not need to set up grounding wires separately or perform additional grounding fixing operations, thereby reducing the dependence on manual wiring experience in the grounding connection process, and thus improving the grounding efficiency and electrical connection reliability of the waterproof IC card socket.

[0014] Preferably, the card reader assembly includes a connection terminal unit, a switch terminal, and a first spring. A positioning groove is provided on the second housing, which communicates with the receiving groove. The connection terminal unit is located in the positioning groove and extends into the receiving groove. The connection terminal unit is electrically connected to the circuit board and is adapted to communicate with the IC card. The fixed ends of the switch terminal and the first spring are both located in the receiving groove, and the movable end of the first spring is located on the side of the switch terminal closer to the receiving groove. When the IC card is inserted into the receiving groove, the IC card drives the movable end of the first spring to move closer to the switch terminal. The switch terminal is electrically connected to the circuit board and is used to control the circuit board to obtain IC card data through the connection terminal unit.

[0015] By adopting the above technical solution, a switch terminal and a first spring are arranged in the receiving slot, with the movable end of the first spring positioned on the side of the switch terminal closer to the receiving slot and directly facing the switch terminal. When an IC card is inserted into the receiving slot, the IC card pushes the movable end of the first spring to deflect towards the switch terminal, causing the movable end of the first spring to contact the switch terminal and form a conductive state. The switch terminal is electrically connected to the circuit board to transmit a conduction signal to the circuit board. The circuit board then identifies the insertion state of the IC card and initiates the data reading operation of the connection terminal unit. Compared with existing technologies, the IC card insertion process can automatically drive the switch action and complete the communication trigger, thereby avoiding reliance on manual triggering or auxiliary structures, and thus improving the accuracy of IC card identification and the reliability of data interaction.

[0016] Preferably, the terminal unit includes multiple contact terminals and multiple positioning slots. The multiple positioning slots are located on the surface of the second housing near the first housing and are arranged in a square array. Multiple connection terminals are arranged one-to-one with the multiple positioning slots. One end of the contact terminal is electrically connected to the circuit board, and the other end passes through the positioning slot and is suspended in the receiving slot. The suspended end of the contact terminal is provided with a protrusion, which contacts the metal contacts of the IC card to enable the contact terminal to communicate with the IC card.

[0017] By adopting the above technical solution, multiple square arrayed positioning slots are set on the surface of the second housing near the first housing, and multiple contact terminals are inserted into the corresponding positioning slots and suspended in the receiving slots. The suspended end of the contact terminal has a protrusion for contacting the metal contacts of the IC card, thereby realizing the communication connection between the contact terminal and the IC card. Compared with the prior art, the IC card can directly make multi-point contact with the protrusion during insertion, thereby reducing the positional accuracy requirements for manual card insertion and improving the conduction stability and communication accuracy between the IC card and the contact terminal.

[0018] Preferably, all contact terminals are arranged horizontally, and the protrusions of the contact terminals are arranged at an angle of 5-20 degrees with the straight line along the width direction of the circuit board.

[0019] By adopting the above technical solution, the protrusions of the contact terminals are tilted towards the switch terminals, forming an angle of 5 to 20 degrees with the width direction of the circuit board. During IC card insertion, the metal contacts slide smoothly into and adhere to the surface of the protrusions, achieving smooth conduction. Simultaneously, the tilted structure shifts the contact area to one side, reserving space for components such as switch terminals. Compared to existing technologies, this structural design achieves dense contact arrangement without increasing component size, thereby reducing the space occupied by the card reader component within the housing. This improves the integration compactness of the waterproof IC card holder and the stability of communication contact.

[0020] Preferably, the second housing is made of insulating material, and a fixing groove is provided on the surface of the second housing near the first housing. The fixing groove is located on the side of the connection terminal unit away from the switch terminal, and a second spring is provided on the fixing groove. The second spring is suitable for elastic deformation.

[0021] By adopting the above technical solution, the second housing is made of insulating material and has a fixing groove for installing the second spring contact. The movable end of the second spring contact is suspended in the air facing the first housing. When the IC card is inserted, the second spring contact undergoes elastic deformation to press and position the IC card, thereby maintaining the IC card in a stable state within the receiving groove. Compared with existing technologies, the spring contact automatically conforms to the edge of the IC card through its elastic structure and does not interfere with other electrical structures. This reduces the risk of poor contact caused by vibration or error, thereby improving the structural security and communication stability of the waterproof IC card socket.

[0022] Preferably, the first housing is provided with a first observation window and a second observation window. There are multiple first observation windows, which are located on the surface of the first housing away from the second housing. The multiple first observation windows are arranged in a square array, and the multiple first observation windows are arranged in a one-to-one correspondence with multiple positioning slots. The second observation windows are arranged in a corresponding manner with the switch terminals.

[0023] By adopting the above technical solution, multiple first observation windows are set on the first housing to correspond to the positions of the contact terminals, and a second observation window is set near the switch terminal. When the IC card is inserted into the receiving slot, the contact state between the contact terminal and the IC card's metal contact can be confirmed through the first observation windows, and the contact between the first spring and the switch terminal can be confirmed through the second observation window. Compared with the prior art, testing personnel can perform intuitive inspection of the communication contacts and switch triggering externally without disassembling the waterproof IC card socket. This reduces the dependence on professional tools and operational experience in the testing process, thereby improving the testing efficiency and communication reliability after the waterproof IC card socket is assembled.

[0024] In summary, this application includes at least one of the following beneficial technical effects: 1. The first and second housings are fixed by engaging with the slot, ensuring a stable connection between the housings. The metal material enhances the structural strength and electrical shielding, preventing external electromagnetic interference. The circuit board maintains its stable position through its connection with the first housing and its stop engagement with the second housing, preventing displacement caused by external vibration or force. The engaging part is confined between the bottom wall of the slot and the circuit board, further enhancing the structural stability, preventing loosening or poor contact, simplifying the assembly process, improving the stability and electrical performance of the card holder, reducing operational difficulty, and improving the reliability and performance of the waterproof IC card holder. 2. By providing a limiting groove on the side wall of the first housing and a limiting part that cooperates with the limiting groove on the side wall of the second housing, the limiting part is inserted into the limiting groove to achieve a limiting fit. This allows the first and second housings to be engaged through the snap-fit ​​part and the snap-fit ​​groove, while simultaneously defining the relative position of the housings. Compared to existing technologies, assembly workers can achieve precise docking of the housings without relying on screws for positioning, thus reducing the dependence on the operator's positioning accuracy during assembly and improving the consistency and structural stability of the waterproof IC card holder assembly. 3. By designing the snap-fit ​​part to consist of a connecting part and a fixing part, the connecting part connects and engages with the first housing, while the fixing part is perpendicularly positioned to the connecting part and inserted into a snap-fit ​​groove near the end wall of the second housing close to the circuit board. The fixing part engages with the snap-fit ​​groove to secure the housing. When the first housing is pushed forward axially, the fixing part, guided by the connecting part, completes insertion in the vertical direction and forms a stable snap-fit. Compared with existing technologies, assembly workers do not need to align each screw hole individually for fixing, thus reducing the dependence on the direction and accuracy of manual force application during housing assembly, thereby improving the operational efficiency and housing connection accuracy of the waterproof IC card holder assembly process. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of a waterproof IC card holder according to an embodiment of this application; Figure 2 yes Figure 1 Enlarged view of point A in the middle; Figure 3 yes Figure 1 Enlarged view of point B in the middle; Figure 4 This is a schematic diagram from another angle of the waterproof IC card holder according to an embodiment of this application; Figure 5 This is a schematic diagram of the second housing and the connecting terminal unit according to an embodiment of this application; Figure 6 This is a schematic diagram of the second housing and the connecting terminal unit from another angle according to an embodiment of this application; Figure 7 This is a schematic diagram of the first housing according to an embodiment of this application; Figure 8 This is a schematic diagram of the first housing from another angle according to an embodiment of this application; Figure 9 This is an exploded view of the waterproof IC card holder according to the embodiments of this application.

[0026] Explanation of reference numerals in the attached figures: 100. Waterproof IC card holder; 1. First housing; 11. Snap-fit ​​part; 12. Limiting groove; 13. Ground terminal; 14. First observation window; 15. Second observation window; 2. Second housing; 21. Snap-fit ​​groove; 22. Limiting part; 23. Positioning groove; 24. Fixing groove; 241. Second spring piece; 3. Receiving tank; 4. Circuit board; 41. Ground connection part; 5. Card reader assembly; 51. Connection terminal unit; 511. Contact terminal; 512. Protrusion; 52. Switch terminal; 53. First spring. Detailed Implementation

[0027] The following is in conjunction with the appendix Figures 1-9 This application will be described in further detail.

[0028] This application discloses a waterproof IC card holder 100.

[0029] Reference Figure 1 , Figure 8 and Figure 9 According to the embodiments of this application, the waterproof IC card holder 100 includes: a first housing 1, a second housing 2, a circuit board 4, and a card reader assembly 5.

[0030] The first housing 1 and the second housing 2 are opposite to each other and are abutted together. The outer peripheral wall of the first housing 1 is provided with a snap-fit ​​part 11, and the outer peripheral wall of the second housing 2 is provided with a snap-fit ​​groove 21. The snap-fit ​​part 11 and the snap-fit ​​groove 21 are opposite to each other. The first housing 1 and the second housing 2 are fixedly connected by snap-fitting the snap-fit ​​part 11 and the snap-fit ​​groove 21.

[0031] During the assembly of the waterproof IC card holder 100, the first housing 1 and the second housing 2 are fixedly connected by the snap-fit ​​part 11 and the snap-fit ​​groove 21. First, the design of the snap-fit ​​part 11 and the snap-fit ​​groove 21 enables the first housing and the second housing to be precisely aligned during assembly. This fit ensures a stable connection between the housings and prevents them from loosening or shifting due to external forces. This structural design avoids the installation difficulty and inconvenience caused by traditional screw connections and simplifies the production process. The fit between the snap-fit ​​part 11 and the snap-fit ​​groove 21 provides strong physical fixing force for the first housing 1 and the second housing 2.

[0032] Reference Figure 4 A receiving groove 3 is defined between the first housing 1 and the second housing 2. In this way, the space of the receiving groove 3 is effectively defined, thereby ensuring that the IC card can be accurately inserted and stably positioned, avoiding problems such as loosening or incompatibility of the card holder.

[0033] Furthermore, the first housing 1 is constructed of metal, which not only enhances the mechanical strength of the card holder but also provides effective electrical shielding to prevent external electromagnetic interference from affecting the signal transmission of the IC card.

[0034] Circuit board 4 is connected and fitted to the first housing 1, and circuit board 4 is located on the side wall of the second housing 2 away from the first housing 1. Circuit board 4 and the second housing 2 are in a stop-fitting relationship. The snap-fit ​​part 11 is limited between the bottom wall of the snap-fit ​​groove 21 and the circuit board 4. Through the connection with the first housing 1, circuit board 4 is firmly installed on the side wall of the second housing 2. The stop-fitting relationship between circuit board 4 and the second housing 2 further increases the stability of circuit board 4 during operation and avoids loosening or poor contact of circuit board 4 due to external vibration or impact during use. The snap-fit ​​part 11 is accurately positioned between the bottom wall of the snap-fit ​​groove 21 and the circuit board 4, ensuring the stability of the entire structure and avoiding problems of poor contact or loosening. This precise snap-fit ​​and limiting design ensures the fixation between circuit board 4 and housing and maintains the continuity and stability of electrical connection.

[0035] Reference Figure 1 , Figure 3 and Figure 9 The first housing 1 is electrically connected to the ground wire of the circuit board 4. The ground wire connection between the first housing 1 and the circuit board 4 further enhances the stability of the electrical grounding, thereby ensuring the reliability of signal transmission and the normal operation of the IC card.

[0036] Reference Figure 9 The card reader component 5 is located in the receiving slot 3, which is used to insert the IC card. The card reader component 5 is adapted to communicate with the IC card. In actual use, the user inserts the IC card into the receiving slot 3, and the card reader component 5 in the receiving slot 3 realizes the communication connection with the IC card and transmits the communication content to the peripheral electronic device in the form of electrical signals.

[0037] Thus, by engaging and fixing the first housing 1 and the second housing 2 with the engaging groove 21, a stable connection of the housings is ensured. The metal material enhances the structural strength and electrical shielding function, preventing external electromagnetic interference. The circuit board 4 maintains its stable position through its connection with the first housing 1 and its stop engagement with the second housing 2, preventing displacement caused by external vibration or force. The engaging part 11 is confined between the bottom wall of the engaging groove 21 and the circuit board 4, further enhancing the structural stability and preventing loosening or poor contact. Compared with the prior art, this design simplifies the assembly process, improves the stability and electrical performance of the waterproof IC card holder 100, reduces operational difficulty, and improves the reliability and working performance of the waterproof IC card holder 100.

[0038] Reference Figures 5-7In some embodiments of this application, the side wall of the first housing 1 is provided with a limiting groove 12, and the side wall of the second housing 2 is provided with a limiting part 22. The limiting part 22 is limited and engaged with the limiting groove 12. There are at least two limiting grooves 12, which are spaced apart along the circumferential direction of the first housing 1. There are at least two limiting parts 22, which are spaced apart along the circumferential direction of the second housing 2. The at least two limiting grooves 12 and the at least two limiting parts 22 are provided in a one-to-one correspondence.

[0039] In some specific embodiments of this application, there are two limiting grooves 12, so there are also two limiting parts 22. In actual operation, the operator sets the first housing 1 and the second housing 2 opposite to each other and engages them. The multiple limiting grooves 12 on the side wall of the first housing 1 are spaced apart along the circumferential direction of the first housing 1, and the multiple limiting parts 22 on the side wall of the second housing 2 are spaced apart along the circumferential direction of the second housing 2. The multiple limiting grooves 12 and the multiple limiting parts 22 are arranged one-to-one. During the snap-fit ​​engagement of the first housing 1 and the second housing 2, the multiple limiting parts 22 are inserted sequentially into their corresponding positions. Within the limiting groove 12, the relative positions between the first housing 1 and the second housing 2 are kept consistent and a limiting fit relationship is formed. The insertion action of the limiting part 22 into the limiting groove 12 restricts the relative rotation and misalignment between the housings. Thus, based on the snap-fit ​​between the snap-fit ​​part 11 and the snap-fit ​​groove 21, the accuracy and stability of the housing connection are further improved. Through the action of the limiting part 22 and the limiting groove 12, a clear registration and positioning reference can be provided when the operator completes the housing assembly, reducing the offset problem caused by assembly error and improving the overall structural reliability and assembly consistency of the waterproof IC card holder 100.

[0040] Furthermore, by providing multiple limiting grooves 12 on the side wall of the first housing 1 and multiple limiting parts 22 corresponding to the limiting grooves 12 on the side wall of the second housing 2, the multiple limiting parts 22 are sequentially inserted into the corresponding limiting grooves 12 to achieve limiting engagement. This further limits the relative position of the housings while the first housing 1 and the second housing 2 are engaged through the snap-fit ​​parts 11 and snap-fit ​​grooves 21. Compared with existing technologies, assembly workers can complete the precise docking of the housings without relying on screws for positioning, thereby reducing the dependence on the operator's positioning accuracy during the assembly process and improving the consistency and structural stability of the waterproof IC card holder 100 assembly.

[0041] Reference Figures 5-8 In some embodiments of this application, there are multiple snap-fit ​​slots 21, which are spaced apart along the circumferential direction of the second housing 2 and located on the side wall of the second housing 2. There are multiple snap-fit ​​parts 11, which are respectively provided on the side wall of the first housing 1. The multiple snap-fit ​​parts 11 are arranged in a one-to-one correspondence with the multiple snap-fit ​​slots 21.

[0042] In some specific embodiments of this application, there are six snap-fit ​​parts 11 and six snap-fit ​​slots 21. During the assembly process of the waterproof IC card holder 100, the operator first aligns the first housing 1 and the second housing 2 along the axial direction, so that the multiple snap-fit ​​parts 11 disposed on the side wall of the first housing 1 correspond one-to-one with the multiple snap-fit ​​slots 21 disposed in the circumferential direction of the second housing 2. As the two housings gradually approach each other, the multiple snap-fit ​​parts 11 are inserted into the corresponding snap-fit ​​slots 21 in sequence and gradually deform and fit together, finally forming an embedded snap-fit ​​state with the inner wall of the snap-fit ​​slot 21. After the snap-fit ​​is completed, the multiple snap-fit ​​parts 11 are all limited in the snap-fit ​​grooves 21, thereby forming a multi-point mechanical fixing structure between the first housing 1 and the second housing 2. The multiple snap-fit ​​points jointly bear the connection stress between the housings. Through the setting of multiple snap-fit ​​parts 11 and multiple snap-fit ​​grooves 21, automatic alignment and sequential fitting can be achieved during the assembly process, avoiding the time cost and manual operation error caused by fixing each screw one by one in the traditional method. At the same time, it ensures that the snap-fit ​​process has good assembly tolerance absorption capability, thereby improving the assembly convenience and structural stability of the entire waterproof IC card holder 100.

[0043] Furthermore, by providing multiple snap-fit ​​parts 11 on the side wall of the first housing 1 and providing multiple snap-fit ​​grooves 21 corresponding one-to-one with the snap-fit ​​parts 11 in the circumferential direction of the second housing 2, the multiple snap-fit ​​parts 11 are sequentially inserted into the corresponding snap-fit ​​grooves 21 during assembly to achieve distributed snap-fit ​​engagement. When the multiple snap-fit ​​parts 11 and multiple snap-fit ​​grooves 21 simultaneously complete engagement, a multi-point positioning and fixed connection is formed between the first housing 1 and the second housing 2. Compared with the prior art, operators can complete the stable connection of the waterproof IC card holder 100 without using screws to fix the housing point by point, thereby reducing the dependence on screws, tools, and operating skills during assembly, and thus improving the ease of assembly and connection strength of the waterproof IC card holder 100.

[0044] Reference Figure 1 and Figure 8 In some embodiments of this application, the snap-fit ​​part 11 includes a connecting part and a fixing part. The connecting part is connected and engaged with the first housing 1, and the fixing part is connected and engaged with the connecting part. The included angle between the central axis of the connecting part and the central axis of the fixing part is 90°. The connecting part and the fixing part form an L-shaped structure. The snap-fit ​​groove 21 is located on the end wall of the second housing 2 near the circuit board 4. The fixing part is opposite to the snap-fit ​​groove 21, and the fixing part can be inserted into the snap-fit ​​groove 21 and engaged with the snap-fit ​​groove 21.

[0045] In some specific embodiments of this application, during the assembly of the waterproof IC card holder 100, after the first housing 1 and the second housing 2 are placed opposite each other, the operator pushes the first housing 1 close to the second housing 2 along the assembly direction. Multiple snap-fit ​​parts 11 provided on the outer peripheral wall of the first housing 1 enter the corresponding snap-fit ​​groove 21 area in sequence. Each snap-fit ​​part 11 is composed of a connecting part and a fixing part. The connecting part is integrally formed with the first housing 1 or connected and fitted. The fixing part is vertically connected to the end of the connecting part, so that the connecting part and the fixing part form a 90° angle. During the assembly process, the connecting part guides the snap-fit ​​part 11 to advance axially. When the fixing part contacts the end wall area of ​​the second housing 2 near the circuit board 4, the fixing part is driven by the connecting part to insert into the snap-fit ​​groove 21 in the vertical direction. Since the size of the fixing part is precisely matched with the internal space of the snap-fit ​​groove 21, the fixing part will elastically interfere with the inner wall of the snap-fit ​​groove 21 during the insertion process and finally form a stable mechanical engagement relationship, thus completing the snap-fit ​​locking of the first housing 1 and the second housing 2. The connecting part provides assembly guidance and carries the force transmission path of the first housing 1, while the fixing part provides snap-fit ​​limiting and structural locking. Through the structural cooperation between the connecting part and the fixing part, the snap-fit ​​process has a smooth insertion path and reliable assembly endpoint positioning, which not only improves the connection stability between the housings, but also reduces the complexity of manual alignment and force application operations. This achieves the coordinated snap-fit ​​cooperation between the connecting part and the fixing part, ensuring accurate and reliable snap-fit ​​effect and facilitating batch assembly.

[0046] Specifically, the snap-fit ​​part 11 is composed of a connecting part and a fixing part. The connecting part is connected and engaged with the first housing 1, and the fixing part is perpendicularly arranged with the connecting part and inserted into the snap-fit ​​groove 21 near the end wall of the second housing 2 near the circuit board 4. The fixing part engages with the snap-fit ​​groove 21 to fix the housing. When the first housing 1 is pushed axially, the fixing part is inserted vertically under the guidance of the connecting part and forms a stable snap-fit. Compared with the prior art, the assembly worker does not need to align each screw hole for fixing, thereby reducing the dependence on the direction and accuracy of manual force application during housing assembly, and thus improving the operational efficiency and housing connection accuracy of the waterproof IC card holder 100 assembly process.

[0047] Reference Figure 2 , Figures 7-9 In some embodiments of this application, ground terminals 13 are provided on the side walls at both ends of the first housing 1, and ground connection parts 41 are provided on the circuit board 4. The ground connection parts 41 and the ground terminals 13 are arranged opposite to each other. The ground terminals 13 are inserted into the ground connection parts 41 and are electrically connected to the ground connection parts 41. The ground terminals 13 and the ground connection parts 41 are electrically connected to the ground wire of the external device.

[0048] During the assembly of the waterproof IC card holder 100, ground terminals 13 are provided on the side walls at both ends of the first housing 1, and ground connection parts 41 are provided on the circuit board 4 opposite to the ground terminals 13. When the operator installs the circuit board 4 to the side wall of the second housing 2 away from the first housing 1 and completes the snap-fit ​​with the first housing 1 and the second housing 2, the ground terminals 13 are automatically inserted into the corresponding ground connection parts 41 along the assembly direction. After insertion, the ground terminals 13 and the ground connection parts 41 form a stable electrical connection, and the ground terminals 13 and the ground connection parts 41 are electrically connected to the ground of the external device. Thus, the ground conduction state between the first housing 1 and the circuit board 4 is realized at the same time as the assembly of the waterproof IC card holder 100 is completed. The insertion structure of the ground terminals 13 avoids the complex process of additionally laying grounding wires or screw crimping required in the traditional process, realizing one-time quick connection of the ground wire. The ground connection can be realized immediately after assembly, reducing the dependence on the operator's grounding operation skills and improving the grounding efficiency and electrical reliability in the assembly process of the waterproof IC card holder 100.

[0049] Specifically, by providing ground terminals 13 on the sidewalls at both ends of the first housing 1, and providing ground connection portions 41 on the circuit board 4 opposite to the ground terminals 13, when the circuit board 4 is installed in place, the ground terminals 13 are automatically inserted into the ground connection portions 41 and electrically connected. Simultaneously, the ground terminals 13 and the ground connection portions 41 are electrically connected to the external ground wire, forming a complete grounding path. Compared with existing technologies, operators do not need to separately set grounding wires or perform additional grounding fixing operations, thereby reducing the reliance on manual wiring experience in the grounding connection process, and thus improving the grounding efficiency and electrical connection reliability of the waterproof IC card holder 100.

[0050] Reference Figure 5 , Figure 6 and Figure 9 In some embodiments of this application, the card reader assembly 5 includes a connection terminal unit 51, a switch terminal 52, and a first spring 53. The second housing 2 is provided with a positioning groove 23, which communicates with the receiving groove 3. The connection terminal unit 51 is disposed in the positioning groove 23 and extends into the receiving groove 3. The connection terminal unit 51 is electrically connected to the circuit board 4. The connection terminal unit 51 contacts the metal contacts of the IC card to facilitate communication with the IC card. The fixed ends of the switch terminal 52 and the first spring 53 are both disposed in the receiving groove 3, and the movable end of the first spring 53 is located on the side of the switch terminal 52 close to the receiving groove 3. The movable end of the first spring 53 is located directly above the switch terminal 52. When the IC card is inserted into the receiving groove 3, the IC card drives the movable end of the first spring 53 to move closer to the switch terminal 52. The switch terminal 52 is electrically connected to the circuit board 4 and is used to control the circuit board 4 to obtain IC card data through the connection terminal unit 51.

[0051] During the use of the waterproof IC card holder 100, when the IC card is inserted into the receiving groove 3 defined by the first housing 1 and the second housing 2 along the insertion direction, the metal contacts of the IC card come into contact with the connection terminal unit 51, which is located in the positioning groove 23 of the second housing 2 and extends into the receiving groove 3. The connection terminal unit 51 is electrically connected to the circuit board 4, thereby establishing a communication path between the IC card and the circuit board 4. At the same time, as the IC card continues to be inserted, its front end contacts the movable end of the first spring 53 located in the receiving groove 3 and pushes the movable end toward the switch terminal 52. The movable end of the first spring 53 contacts the switch terminal 52 located directly below it, so that the switch terminal 52 conducts to the circuit board 4. After the switch terminal 52 is electrically connected to the circuit board 4, it outputs a conduction signal to the circuit board 4. After receiving the conduction signal, the circuit board 4 recognizes that the IC card is in place and starts the data reading command. Finally, the target data is obtained from the IC card through the connection terminal unit 51, thereby realizing the communication function of the IC card.

[0052] Furthermore, by setting a switch terminal 52 and a first spring contact 53 within the receiving slot 3, and positioning the movable end of the first spring contact 53 on the side of the switch terminal 52 closest to and directly facing the receiving slot 3, when an IC card is inserted into the receiving slot 3, the IC card pushes the movable end of the first spring contact 53 to deflect towards the switch terminal 52, causing the movable end of the first spring contact 53 to contact the switch terminal 52 and form a conductive state. The switch terminal 52 is electrically connected to the circuit board 4 to transmit a conduction signal to the circuit board 4. The circuit board 4 then identifies the insertion state of the IC card and initiates the data reading operation of the connection terminal unit 51. Compared with the prior art, the IC card insertion process can automatically drive the switch action and complete the communication trigger, thereby avoiding reliance on manual triggering or auxiliary structures, and thus improving the accuracy of IC card identification and the reliability of data interaction.

[0053] Reference Figure 9 In some embodiments of this application, the connection terminal unit 51 includes a plurality of contact terminals 511 and a plurality of positioning grooves 23. The plurality of positioning grooves 23 are disposed on the surface of the second housing 2 near the first housing 1. The plurality of positioning grooves 23 are arranged in a square array. The plurality of connection terminals are arranged one-to-one with the plurality of positioning grooves 23. One end of the contact terminal 511 is electrically connected to the circuit board 4, and the other end passes through the positioning groove 23 and is suspended in the receiving groove 3. The suspended end of the contact terminal 511 is provided with a protrusion 512. The protrusion 512 protrudes out of the positioning groove 23 and extends into the receiving groove 3. The protrusion 512 contacts the metal contacts of the IC card so that the contact terminal 511 communicates with the IC card.

[0054] In some specific embodiments of this example, there are eight positioning slots 23, so there are also eight contact terminals 511. In the structure of the waterproof IC card holder 100, a plurality of positioning slots 23 for terminal arrangement are preset on the surface of the second housing 2 near the first housing 1. These positioning slots 23 are evenly arranged in a square array to define and guide the arrangement direction and spatial position of the plurality of contact terminals 511 in the connection terminal unit 51. Each contact terminal 511 passes through the corresponding positioning slot 23 along the card insertion direction and extends suspended into the receiving slot 3. After the circuit board 4 is installed, one end of the contact terminal 511 is welded or crimped to the circuit board 4 to form an electrical connection, and the other end extends out into the receiving slot 3 in a cantilever manner and is provided with a slightly protruding protrusion 512 for establishing physical contact with the IC card contact. When the IC card is inserted into the receiving slot 3, the metal contacts on the card surface sequentially contact the protrusions 512 of multiple contact terminals 511 along the sliding direction. During insertion, the contact terminals 511 undergo slight elastic deformation to achieve stable contact. After insertion to the preset position, all contact points are effectively connected, thus forming a complete data communication path between the IC card and the circuit board 4. By setting multiple contact terminals 511 in the positioning slot 23 and guiding them to be suspended in the receiving channel in an orderly manner, the IC card can automatically achieve multi-point docking during insertion, effectively reducing the reliance on manual positioning, ensuring conductivity accuracy, and improving the assembly consistency and communication reliability of the waterproof IC card holder 100.

[0055] Specifically, multiple square arrayed positioning slots 23 are provided on the surface of the second housing 2 near the first housing 1, and multiple contact terminals 511 are inserted through the corresponding positioning slots 23 and suspended in the receiving slots 3. The suspended end of the contact terminal 511 is provided with a protrusion 512 for contacting the metal contacts of the IC card, so as to realize the communication connection between the contact terminal 511 and the IC card. Compared with the prior art, the IC card can directly make multi-point contact with the protrusion 512 during the insertion process, thereby reducing the positional accuracy requirements for manual card insertion, and thus improving the conduction stability and communication accuracy between the IC card and the contact terminal 511.

[0056] Reference Figure 5 , Figure 6 and Figure 9 In some embodiments of this application, multiple contact terminals 511 are horizontally arranged, and the protrusions 512 of the contact terminals 511 are inclined. The angle between the protrusions 512 and the straight line along the width direction of the circuit board 4 is 5-20 degrees, and they are inclined toward the side of the switch terminal 52.

[0057] In some specific embodiments of this application, the angle between the protrusion 512 and the straight line in the width direction of the circuit board 4 is 10 degrees. In the structural design of the waterproof IC card holder 100, the contact terminals 511 are arranged horizontally along the width direction of the circuit board 4, and a protrusion 512 inclined towards the switch terminal 52 is provided at one end near the IC card. The protrusion 512 and the width direction of the circuit board 4 form a 10-degree angle. During the process of inserting the IC card into the receiving slot 3, the metal contacts of the IC card gradually contact the inclined protrusion 512 in the sliding path. The inclined structure can guide the contacts to fit smoothly on the inclined surface, reduce the impact during the contact process, and effectively improve the conduction stability. At the same time, the inclined structure causes the suspended area of ​​the contact terminal 511 to shift to one side, reducing the space occupied along the width direction of the second housing 2 while maintaining the effective coverage of the contacts. This leaves more space for other components such as the switch terminal 52 or the spring contact, thereby improving the integration of the entire card reader assembly 5 in a limited space and achieving a compact spatial layout and functional synergy in the communication area.

[0058] Specifically, by tilting the protrusion 512 of the contact terminal 511 towards the switch terminal 52, and making the protrusion 512 form an angle of 5 to 20 degrees with the width direction of the circuit board 4, the metal contacts slide smoothly into and adhere to the surface of the protrusion 512 during IC card insertion, thus achieving smooth conduction. Simultaneously, the tilted structure shifts the contact area to one side, reserving space for components such as the switch terminal 52. Compared to existing technologies, this structural design achieves dense contact arrangement without increasing component size, thereby reducing the space occupied by the card reader component 5 within the housing, and further improving the integration compactness and communication contact stability of the waterproof IC card holder 100.

[0059] Reference Figure 5 and Figure 6 In some embodiments of this application, the second housing 2 is made of insulating material. The surface of the second housing 2 near the first housing 1 is provided with a fixing groove 24. The fixing groove 24 is located on the side of the connection terminal unit 51 away from the switch terminal 52. The fixing groove 24 is provided with a second spring piece 241. The movable end of the second spring piece 241 is suspended in the direction of the first housing 1. The second spring piece 241 is suitable for elastic deformation.

[0060] With this design, in the structure of the waterproof IC card holder 100, the second housing 2 is made entirely of insulating material to isolate electrical interference and ensure structural insulation safety. A recessed fixing groove 24 is formed on the surface of the second housing 2 near the first housing 1 to define the installation position of the second spring 241. The fixing groove 24 is spatially away from the area of ​​the switch terminal 52 to avoid interference with the signal triggering path. The second spring 241 is installed in the fixing groove 24 with its fixed end, and its movable end is suspended in the direction of IC card insertion. When the IC card slides into the receiving groove 3 in the insertion direction, the edge of the card body contacts the movable end of the second spring 241. After being subjected to the pressure of the card body, the second spring 241 undergoes elastic deformation and generates a reverse supporting force, continuously applying a clamping force to the edge of the IC card, thereby stabilizing the position of the card body, preventing shaking, and resisting loosening due to shock. Since the fixing groove 24 is made of insulating shell material, it can avoid forming a conductive path with the surrounding circuit or terminal during the deformation or pressure bonding of the spring, ensuring that the spring does not introduce electrical interference while providing mechanical limiting function, which helps to improve the anti-interference ability of the overall structure of the waterproof IC card holder 100 and the stability of card insertion.

[0061] Specifically, by using an insulating material for the second housing 2 and providing a fixing groove 24 for installing the second spring 241, and suspending the movable end of the second spring 241 towards the first housing 1, the second spring 241 is elastically deformed during IC card insertion to hold and position the IC card, thereby maintaining the IC card's stability within the receiving groove 3. Compared with existing technologies, the spring automatically conforms to the edge of the IC card through its elastic structure and does not interfere with other electrical structures, thus reducing the risk of poor contact due to vibration or error, and thereby improving the structural security and communication stability of the waterproof IC card holder 100.

[0062] Reference Figure 1 , Figure 7 and Figure 9 In some embodiments of this application, the first housing 1 is provided with a first observation window 14 and a second observation window 15. There are multiple first observation windows 14, which are located on the surface of the first housing 1 away from the second housing 2. The multiple first observation windows 14 are arranged in a square array, and the multiple first observation windows 14 are arranged in a one-to-one correspondence with multiple positioning slots 23. The second observation window 15 is located on the side of the first housing 1 close to the switch terminal 52, and the second observation window 15 is arranged in a corresponding manner with the switch terminal 52.

[0063] Specifically, during the operation of the waterproof IC card holder 100, when the IC card enters the receiving groove 3 along the insertion direction, its surface metal contacts will successively contact the contact terminals 511 suspended in the receiving groove 3. At this time, the operator can directly see the working status of the contact terminals 511 through the first observation window 14 distributed on the first housing 1, thereby confirming whether the contact terminals 511 and the IC card are tightly attached without disassembling the structure. When the IC card continues to be inserted and pushes the movable end of the first spring 53 closer to the switch terminal 52, the operator can intuitively observe the contact between the spring and the switch terminal 52 through the second observation window 15 arranged at the corresponding position of the switch terminal 52, so as to determine whether the switch action is normal. The first observation window 14 provides visual confirmation of the communication contact connection status, and the second observation window 15 provides real-time observation of the switch trigger action. This visualization design allows the entire assembly and testing process to be completed externally, which simplifies the debugging steps, improves the accuracy of judgment, and ensures the communication reliability and working stability of the waterproof IC card holder 100 after assembly.

[0064] Furthermore, by providing multiple first observation windows 14 on the first housing 1 to correspond to the positions of the contact terminals 511, and providing a second observation window 15 near the switch terminal 52, when the IC card is inserted into the receiving slot 3, the contact state between the contact terminals 511 and the IC card's metal contacts can be confirmed through the first observation windows 14, and the contact status between the first spring 53 and the switch terminal 52 can be confirmed through the second observation window 15. Compared with the prior art, testing personnel can perform a direct inspection of the communication contacts and switch triggering externally without disassembling the waterproof IC card holder 100, thereby reducing the dependence on professional tools and operational experience in the testing process, and thus improving the testing efficiency and communication reliability after the waterproof IC card holder 100 is assembled.

[0065] 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 waterproof IC card holder, characterized in that, include: A first housing (1) and a second housing (2) are provided, the first housing (1) and the second housing (2) are opposite to each other and are abutted together. The outer peripheral wall of the first housing (1) is provided with a snap-fit ​​part (11), and the outer peripheral wall of the second housing (2) is provided with a snap-fit ​​groove (21). The snap-fit ​​part (11) and the snap-fit ​​groove (21) are opposite to each other. The first housing (1) and the second housing (2) are snap-fitted together to fix the first housing (1) and the second housing (2). A receiving groove (3) is defined between the first housing (1) and the second housing (2). The first housing (1) is constructed of metal. Circuit board (4), the circuit board (4) is connected and cooperates with the first housing (1), and the circuit board (4) is located on the side wall of the second housing (2) away from the first housing (1). The circuit board (4) and the second housing (2) are in a stop-fitting cooperation. The snap-fit ​​part (11) is limited between the bottom wall of the snap-fit ​​groove (21) and the circuit board (4). The ground wire of the first housing (1) and the circuit board (4) are electrically connected. A card reader assembly (5) is disposed in the receiving slot (3), the receiving slot (3) is used to insert an IC card, and the card reader assembly (5) is adapted to communicate with the IC card.

2. The waterproof IC card holder according to claim 1, characterized in that, The first housing (1) has a limiting groove (12) on its side wall, and the second housing (2) has a limiting part (22) on its side wall. The limiting part (22) is in a limiting cooperation with the limiting groove (12).

3. A waterproof IC card holder according to claim 1, characterized in that, There are multiple snap-fit ​​slots (21), and the multiple snap-fit ​​slots (21) are spaced apart along the circumferential direction of the second housing (2). There are multiple snap-fit ​​parts (11), and the multiple snap-fit ​​parts (11) are respectively provided on the side wall of the first housing (1). The multiple snap-fit ​​parts (11) and the multiple snap-fit ​​slots (21) are arranged in a one-to-one correspondence.

4. A waterproof IC card holder according to claim 3, characterized in that, The snap-fit ​​part (11) includes a connecting part and a fixing part. The connecting part is connected and engaged with the first housing (1). The fixing part is connected and engaged with the connecting part. The included angle between the central axis of the connecting part and the central axis of the fixing part is 90°. The snap-fit ​​groove (21) is located on the end wall of the second housing (2) near the circuit board (4). The fixing part is opposite to the snap-fit ​​groove (21). The fixing part is snap-fit ​​engaged with the snap-fit ​​groove (21).

5. A waterproof IC card holder according to claim 1, characterized in that, The first housing (1) has ground terminals (13) on the side walls at both ends. The circuit board (4) has a ground connection part (41). The ground connection part (41) is arranged opposite to the ground terminal (13). The ground terminal (13) is inserted into the ground connection part (41) and electrically connected to the ground connection part (41).

6. A waterproof IC card holder according to claim 1, characterized in that, The card reader assembly (5) includes a connection terminal unit (51), a switch terminal (52), and a first spring (53). A positioning groove (23) is provided on the second housing (2), which communicates with the receiving groove (3). The connection terminal unit (51) is located within the positioning groove (23) and extends into the receiving groove (3). The connection terminal unit (51) is electrically connected to the circuit board (4). The connection terminal unit (51) is adapted to communicate with an IC card. The switch terminal (52) and the first spring (53)... The fixed ends of the first spring (53) are all located in the receiving groove (3), and the movable end of the first spring (53) is located on the side of the switch terminal (52) near the receiving groove (3). When the IC card is inserted into the receiving groove (3), the IC card drives the movable end of the first spring (53) to move close to the switch terminal (52). The switch terminal (52) is electrically connected to the circuit board (4). The switch terminal (52) is used to control the circuit board (4) to obtain the IC card data through the connection terminal unit (51).

7. A waterproof IC card holder according to claim 6, characterized in that, The connection terminal unit (51) includes multiple contact terminals (511), and multiple positioning slots (23) are provided on the surface of the second housing (2) near the first housing (1). The multiple positioning slots (23) are arranged in a square array. The multiple connection terminals are provided one-to-one with the multiple positioning slots (23). One end of the contact terminal (511) is electrically connected to the circuit board (4), and the other end passes through the positioning slot (23) and is suspended in the receiving slot (3). The suspended end of the contact terminal (511) is provided with a protrusion (512). The protrusion (512) contacts the metal contact of the IC card so that the contact terminal (511) can communicate with the IC card.

8. A waterproof IC card holder according to claim 7, characterized in that, The multiple contact terminals (511) are all horizontally arranged, and the protrusions (512) of the contact terminals (511) are inclined. The angle between the protrusions (512) and the straight line along the width direction of the circuit board (4) is 5-20 degrees.

9. A waterproof IC card holder according to claim 6, characterized in that, The second housing (2) is made of insulating material. The surface of the second housing (2) near the first housing (1) is provided with a fixing groove (24). The fixing groove (24) is located on the side of the connection terminal unit (51) away from the switch terminal (52). The fixing groove (24) is provided with a second spring (241). The second spring (241) is adapted to elastic deformation.

10. A waterproof IC card holder according to claim 7, characterized in that, The first housing (1) is provided with a first observation window (14) and a second observation window (15). There are multiple first observation windows (14). The multiple first observation windows (14) are located on the surface of the first housing (1) away from the second housing (2). The multiple first observation windows (14) are arranged in a square array. The multiple first observation windows (14) are arranged one-to-one with the multiple positioning slots (23). The second observation window (15) is arranged corresponding to the switch terminal (52).

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