A card holder connector

Abstract

The utility model relates to the technical field of card seat connector, specifically a card seat connector, including metal shell, card card holder and hardware terminal, the metal shell inside is provided with hardware terminal, the hardware terminal inside injection moulding has plastic shell, be provided with card card holder between the plastic shell and metal shell, the both sides outer wall of hardware terminal all integrative forming has the limit block, the limit block outside is provided with the push rod, the plastic shell upper end outer wall one side integrative forming has the assembly shaft, the assembly shaft outer wall is provided with the ejection rod, because metal shell and hardware terminal adopt the material quality design of metal thus can control the thickness in 0.08mm while ensuring the structural strength, thereby can reduce the overall thickness of connector, can adapt to the demand of small size.

Description

Technical Field

[0001] This utility model relates to the field of card slot connector technology, and specifically to a card slot connector. Background Technology

[0002] Card socket connectors are electromechanical connectors used to receive card-shaped interfaces. Common types include memory card socket connectors, SIM card socket connectors, and edge card connectors. Among them, SIM card socket connectors are used in mobile phone communication, as well as IoT devices, positioning terminals, and embedded systems to realize the network connection and communication functions of the devices. Existing card socket connectors have plastic molding structures on both sides of the plastic body, with bosses designed on the plastic walls to fit into the metal shell through fastening holes for assembly.

[0003] While existing card holder connectors offer numerous advantages during use, they still suffer from the following issues: due to the molding requirements of the plastic material, the plastic wall thickness needs to be designed to be 0.40mm, limiting further reduction in connector width. Furthermore, the existing card holder ejector rod design is flat, and to prevent the card holder from deforming and failing to be ejected by the ejector rod, the ejector rod needs to be designed to be relatively thick, further limiting the reduction in connector thickness. Utility Model Content

[0004] In view of the problems in the prior art, this utility model provides a card slot connector.

[0005] The technical solution adopted by this utility model to solve its technical problem is a card holder connector, including a metal shell, a card holder, and metal terminals. The metal shell is provided with metal terminals inside, and a plastic shell is injection molded inside the metal terminals. A card holder is provided between the plastic shell and the metal shell. Limiting blocks are integrally formed on both outer walls of the metal terminals. A push rod is provided on the outer side of the limiting blocks. An assembly shaft is integrally formed on one side of the upper outer wall of the plastic shell. An ejector rod is provided on the outer wall of the assembly shaft.

[0006] By adopting the above technical solution, the metal shell, hardware terminals and card tray form the main assembly relationship. Since the metal shell and hardware terminals are made of metal, the thickness can be controlled to 0.08mm while ensuring structural strength, thereby reducing the overall thickness of the connector and adapting to the needs of small size.

[0007] Specifically, the outer wall of the metal shell has equidistant parallel fastening holes, the outer wall of the hardware terminal is integrally formed with equidistant parallel fastening blocks, and the fastening blocks are snapped into the fastening holes. The outer wall of the hardware terminal is integrally formed with equidistant parallel limiting fastening bosses, and the limiting fastening bosses are in contact with the inner wall of the metal shell.

[0008] By adopting the above technical solution, the fastening hole and fastening block clarify the connection method between the metal shell and the hardware terminal. The fastening hole and fastening block can ensure the stability of the connection between the metal shell and the hardware terminal. The limiting fastening boss supports the gap between the hardware terminal and the metal shell, ensuring that when the metal shell is fastened to the upper end of the hardware terminal, the limiting fastening boss maintains the distance, avoiding friction between the metal shell and the hardware terminal as a whole, and ensuring the stable assembly of the two.

[0009] Specifically, a detection terminal is integrally formed on one side of the outer wall of the hardware terminal, the detection terminal is in contact with the outer wall of the card tray, and a SIM card is placed inside the card tray.

[0010] By adopting the above technical solution, after the card tray is inserted between the metal shell and the plastic shell, the detection terminal will be deformed by pressure, so that the detection terminal can detect the insertion status of the card tray. The card tray can store the SIM card and limit the accuracy of the SIM card insertion position.

[0011] Specifically, the outer walls on both sides of the metal shell are integrally formed with a first card holder locking spring, and the upper outer wall of the card holder is provided with a first spring resisting groove on both sides, and the first card holder locking spring is located inside the first spring resisting groove.

[0012] By adopting the above technical solution, the first card tray locking spring is located inside the first spring resisting groove, which can lock and fix the card tray, prevent the card tray from shaking or falling out inside the connector, and ensure the stability of the SIM card during use.

[0013] Specifically, the ejector rod has an assembly hole inside, the size of which is adapted to the size of the assembly shaft, and the assembly shaft is located inside the assembly hole. The outer wall of the ejector rod is in contact with the outer wall of the card holder. The upper outer wall of the ejector rod is integrally formed with a protective boss, and the upper surface of the protective boss is in contact with the outer wall of the metal shell.

[0014] By adopting the above technical solution, the matching of the assembly shaft and the assembly hole ensures the smooth installation and rotation of the ejector rod. The outer wall of the ejector rod contacts the outer wall of the card holder, providing a foundation for the subsequent ejection of the card holder. The protective boss contacts the outer wall of the metal shell, playing a limiting and protective role, ensuring that the movement trajectory of the ejector rod is controlled.

[0015] Specifically, the end of the ejector rod is integrally formed with a linkage block, and a drive groove is provided on one side of the outer wall of the push rod, with the linkage block located inside the drive groove.

[0016] By adopting the above technical solution, when the push rod is pushed to move laterally, it can drive the linkage block through the drive groove, thereby causing the ejector rod to move accordingly, realizing the coordinated action of the two, providing a power transmission path for the ejection mechanism of the card tray, and the bending drive structure of the drive groove and the linkage block can ensure the functional stability of the two components while reducing the thickness of the ejector rod, and can further reduce the overall thickness of the connector.

[0017] Specifically, the outer wall of the card tray is provided with a second spring resisting groove, the outer wall of the push rod is integrally formed with a second card tray locking spring, the second card tray locking spring is located inside the second spring resisting groove, and one side of the outer wall of the metal shell is integrally formed with a spring resisting block, the spring resisting block is positioned corresponding to the second card tray locking spring, and the lower end face of the spring resisting block is in contact with the upper end face of the second card tray locking spring.

[0018] By adopting the above technical solution, the second card tray locking spring is located inside the second spring resisting groove. With the resistance of the spring resisting block against the second card tray locking spring, the card tray is locked from another dimension, which enhances the stability of the card tray in the connector and forms a double locking effect together with the first card tray locking spring.

[0019] Specifically, a pin hole is provided on one side of the outer wall of the card tray, a pin body is provided inside the pin hole, a pressure plate is integrally formed at the end of the push rod, and the end of the pin body is in contact with the outer wall of the pressure plate.

[0020] By adopting the above technical solution, the ejector pin hole ensures the insertion and movement position of the ejector pin body. When the ejector pin body is inserted into the ejector pin hole and acts on the pressure plate, it will push the push rod to move. Then, through the linkage between the push rod and the ejector rod, the ejector rod will move, ultimately realizing the function of ejecting the card tray, making it convenient for users to take out or replace the SIM card.

[0021] Specifically, the plastic shell has a rectangular array of contact springs injection molded inside, and the ends of the contact springs are integrally formed with welding ends.

[0022] By adopting the above technical solution, the contact spring is used to contact the SIM card to realize the transmission of electrical signals. The setting of the solder end facilitates the connection of the contact spring with other circuit components. The plastic shell and the hardware terminal are connected by injection molding, which ensures the firmness of the installation of the contact spring and other components, and ensures the stability and reliability of signal transmission.

[0023] The beneficial effects of this utility model are:

[0024] The card socket connector described in this utility model uses metal materials for both the metal shell and the hardware terminals. Therefore, while ensuring structural strength, the thickness can be controlled to 0.08mm, thereby reducing the overall thickness of the connector and making it suitable for small-size applications.

[0025] The card slot connector described in this utility model, with its bending drive structure for the drive groove and linkage block, can ensure the functional stability of the two components while reducing the thickness of the ejector rod, and can further reduce the overall thickness of the connector. Attached Figure Description

[0026] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0027] Figure 1 This is a schematic diagram of the main body of the metal shell structure of this utility model;

[0028] Figure 2 This is a disassembly diagram of the metal shell structure of this utility model;

[0029] Figure 3 This is a schematic diagram of the card tray structure of this utility model protruding;

[0030] Figure 4 This is a disassembly diagram of the hardware terminal structure of this utility model;

[0031] Figure 5 This is an enlarged schematic diagram of the plastic shell structure of this utility model;

[0032] Figure 6 This is an enlarged schematic diagram of the hardware terminal structure of this utility model;

[0033] Figure 7 This is an enlarged schematic diagram of the ejector rod structure of this utility model;

[0034] Figure 8 This is an enlarged schematic diagram of the push rod structure of this utility model;

[0035] Figure 9 This is an enlarged schematic diagram of the card tray structure of this utility model;

[0036] Figure 10 This is a schematic diagram of the flipped metal shell structure of this utility model.

[0037] In the diagram: 1. Metal casing; 11. First card holder locking spring; 12. Snap-fit ​​hole; 13. Spring resisting block; 14. Limiting groove; 2. Card holder; 21. First spring resisting groove; 22. Second spring resisting groove; 23. Ejector pin hole; 24. SIM card; 25. Ejector pin body; 3. Hardware terminal; 31. Limiting snap-fit ​​boss; 32. Detection terminal; 33. Snap-fit ​​block; 34. Contact spring; 35. Limiting block; 36. Welding end; 4. Plastic casing; 41. Assembly shaft; 5. Ejector rod; 51. Assembly hole; 52. Linkage block; 53. Protective boss; 54. Ejector part; 6. Push rod; 61. Second card holder locking spring; 62. Drive groove; 63. Pressure plate. Detailed Implementation

[0038] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0039] To save manpower and improve efficiency, as one embodiment of this utility model, such as Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Figure 9 , Figure 10 As shown, the card holder connector of this utility model includes a metal shell 1, a card holder 2, and a hardware terminal 3. The hardware terminal 3 is disposed inside the metal shell 1. A plastic shell 4 is injection molded inside the hardware terminal 3. The card holder 2 is disposed between the plastic shell 4 and the metal shell 1. Limiting blocks 35 are integrally formed on both outer walls of the hardware terminal 3. A push rod 6 is disposed on the outer side of the limiting block 35. An assembly shaft 41 is integrally formed on one side of the upper outer wall of the plastic shell 4. An ejector rod 5 is disposed on the outer wall of the assembly shaft 41.

[0040] In use, the metal housing 1, the hardware terminal 3 and the card tray 2 form the main assembly relationship. Since the metal housing 1 and the hardware terminal 3 are made of metal, the thickness can be controlled to 0.08mm while ensuring structural strength, thereby reducing the overall thickness of the connector and adapting to the needs of small size.

[0041] To ensure connection strength, for example, such as Figure 2As shown, the outer wall of the metal casing 1 has equidistant parallel fastening holes 12 and equidistant parallel limiting grooves 14. The outer wall of the metal casing 1 has equidistant parallel fastening blocks 33 integrally formed on the outer wall, and the fastening blocks 33 are snapped into the inside of the fastening holes 12. The outer wall of the metal terminal 3 has equidistant parallel limiting fastening bosses 31 integrally formed on the outer wall, and the limiting fastening bosses 31 are located inside the limiting grooves 14.

[0042] In use, the fastening hole 12 and the fastening block 33 define the connection method between the metal shell 1 and the hardware terminal 3. The fastening hole 12 and the fastening block 33 can ensure the stability of the connection between the metal shell 1 and the hardware terminal 3. The limiting fastening boss 31 supports the gap between the hardware terminal 3 and the metal shell 1, ensuring that when the metal shell 1 is fastened to the upper end of the hardware terminal 3, the limiting fastening boss 31 maintains the distance, avoiding friction between the metal shell 1 and the hardware terminal 3 as a whole. In addition, the limiting groove 14 can ensure the stable assembly of the two.

[0043] To detect the insertion status, for example, such as Figure 5 As shown, a detection terminal 32 is integrally formed on one side of the outer wall of the hardware terminal 3. The detection terminal 32 is in contact with the outer wall of the card tray 2. The SIM card 24 is placed inside the card tray 2.

[0044] When in use, after the card tray 2 is inserted between the metal casing 1 and the plastic casing 4, the detection terminal 32 will be deformed by pressure, so that the detection terminal 32 can detect the insertion status of the card tray 2. The card tray 2 can store the SIM card 24 and can limit the accuracy of the SIM insertion position.

[0045] To ensure locking strength, for example, such as Figure 10 As shown, the outer walls of both sides of the metal shell 1 are integrally formed with first card holder locking springs 11, and the upper outer walls of the card holder 2 are provided with first spring resisting grooves 21 on both sides, with the first card holder locking springs 11 located inside the first spring resisting grooves 21.

[0046] During use, the first card tray locking spring 11 is located inside the first spring resisting groove 21, which can lock and fix the card tray 2, preventing the card tray 2 from shaking or falling out inside the connector, and ensuring the stability of the SIM card 24 during use.

[0047] To restrict movement, for example, such as Figure 5As shown, the ejector rod 5 has an assembly hole 51 inside, the size of which is adapted to the size of the assembly shaft 41, and the assembly shaft 41 is located inside the assembly hole 51. The outer wall of the ejector rod 5 is in contact with the outer wall of the card holder 2. The upper outer wall of the ejector rod 5 is integrally formed with a protective boss 53, the upper end face of which is in contact with the outer wall of the metal shell 1. One end of the ejector rod 5 is integrally formed with an ejection part 54, which is in contact with the outer wall of the card holder 2.

[0048] During use, the fit between the assembly shaft 41 and the assembly hole 51 ensures the smooth installation and rotation of the ejector rod 5. The outer wall of the ejector rod 5 contacts the outer wall of the card holder 2, providing a foundation for the subsequent ejection of the card holder 2. The protective boss 53 contacts the outer wall of the metal shell 1, playing a limiting and protective role, ensuring that the movement trajectory of the ejector rod 5 is controlled, and the ejector part 54 can eject the card holder 2 when the ejector rod 5 rotates around the assembly shaft 41.

[0049] To drive movement, for example, such as Figure 4 As shown, the end of the ejector rod 5 is integrally formed with a linkage block 52, and a drive groove 62 is opened on one side of the outer wall of the push rod 6, with the linkage block 52 located inside the drive groove 62.

[0050] When the push rod 6 is pushed to move laterally during use, it can drive the linkage block 52 through the drive groove 62, thereby causing the ejector rod 5 to move accordingly, realizing the coordinated action of the two and providing a power transmission path for the ejection mechanism of the card tray 2. Moreover, the bending drive structure of the drive groove 62 and the linkage block 52 can ensure the functional stability of the two components while reducing the thickness of the ejector rod 5, and can further reduce the overall thickness of the connector.

[0051] To ensure locking strength, for example, such as Figure 8 As shown, the outer wall of the card holder 2 is provided with a second spring resisting groove 22, and the outer wall of the push rod 6 is integrally formed with a second card holder locking spring 61. The second card holder locking spring 61 is located inside the second spring resisting groove 22. The outer wall of the metal shell 1 is integrally formed with a spring resisting block 13. The spring resisting block 13 is positioned corresponding to the second card holder locking spring 61, and the lower end face of the spring resisting block 13 is in contact with the upper end face of the second card holder locking spring 61.

[0052] When in use, the second card tray locking spring 61 is located inside the second spring resisting groove 22. With the resistance of the spring resisting block 13 against the second card tray locking spring 61, the card tray 2 is locked from another dimension, which enhances the stability of the card tray 2 in the connector and forms a double locking effect together with the first card tray locking spring 11.

[0053] To facilitate movement, for example, such as Figure 9As shown, a pin hole 23 is provided on one side of the outer wall of the card holder 2, and a pin body 25 is provided inside the pin hole 23. A pressure plate 63 is integrally formed at the end of the push rod 6, and the end of the pin body 25 is in contact with the outer wall of the pressure plate 63.

[0054] During use, the ejector pin hole 23 ensures the insertion and movement position of the ejector pin body 25. When the ejector pin body 25 is inserted into the ejector pin hole 23 and acts on the pressure plate 63, it will push the push rod 6 to move. Then, through the linkage between the push rod 6 and the ejector rod 5, the ejector rod 5 will move, ultimately realizing the function of ejecting the card tray 2, making it convenient for the user to take out or replace the SIM card 24.

[0055] To ensure signal transmission, for example, such as Figure 5 As shown, the plastic shell 4 has a rectangular array of contact springs 34 injection molded inside, and the ends of the contact springs 34 are integrally formed with welding ends 36.

[0056] In use, the contact spring 34 is used to contact the SIM card 24 to realize the transmission of electrical signals. The setting of the solder end 36 facilitates the connection of the contact spring 34 with other circuit components. The plastic housing 4 and the hardware terminal 3 are connected by injection molding, which ensures the firmness of the installation of the contact spring 34 and other components, and ensures the stability and reliability of signal transmission.

[0057] In use, the metal shell 1 and the hardware terminal 3 are fixed by snap-fitting holes 12 and snap-fitting blocks 33. The limiting snap-fitting protrusion 31 keeps the distance between the two to avoid friction. The SIM card 24 is placed inside the card tray 2. The card tray 2 restricts the position of the SIM card 24 to ensure accurate alignment. The card tray 2 containing the SIM card 24 is inserted into the gap between the metal shell 1 and the plastic shell 4. During the insertion process, the first card tray locking spring 11 of the metal shell 1 slides into the first spring resisting groove 21 of the card tray 2. At the same time, the second card tray locking spring 61 of the push rod 6 is engaged into the second spring resisting groove 22 of the card tray 2. The card tray 2 presses the detection terminal 32 of the hardware terminal 3 to deform it, triggering the SIM card 24 installation signal.

[0058] The contact spring 34 inside the plastic housing 4 contacts the SIM card 24, and the electrical signal is transmitted through the welding end 36;

[0059] Insert the ejector pin body 25 into the ejector pin hole 23 of the card tray 2. The end of the ejector pin contacts the pressure plate 63 of the push rod 6. Pressing the ejector pin causes the push rod 6 to move laterally against the elastic force of the second card tray locking spring 61. The push rod 6 drives the linkage block 52 of the ejector rod 5 through the drive groove 62, causing the ejector rod 5 to rotate around the assembly shaft 41. When the ejector rod 5 rotates, it pushes the card tray 2 through the ejection part 54, causing it to break free from the constraints of the first card tray locking spring 11 and the second card tray locking spring 61. After the card tray 2 is ejected a certain distance, the user can directly pull out the card tray 2 to replace the SIM card 24.

[0060] It should be noted that this utility model is a card slot connector. All components in this utility model are known to those skilled in the art, and their structure and principle can be learned by those skilled in the art through technical manuals or conventional experimental methods.

[0061] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The descriptions of the above embodiments and specifications are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of protection claimed by this utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A card slot connector, characterized in that, The device includes a metal shell (1), a card holder (2), and a hardware terminal (3). The hardware terminal (3) is provided inside the metal shell (1). A plastic shell (4) is injection molded inside the hardware terminal (3). A card holder (2) is provided between the plastic shell (4) and the metal shell (1). Limiting blocks (35) are integrally formed on both outer walls of the hardware terminal (3). A push rod (6) is provided on the outer side of the limiting block (35). An assembly shaft (41) is integrally formed on one side of the upper outer wall of the plastic shell (4). An ejector rod (5) is provided on the outer wall of the assembly shaft (41).

2. A card slot connector according to claim 1, characterized in that, The outer wall of the metal shell (1) is provided with equidistant parallel fastening holes (12), and the outer wall of the metal shell (1) is provided with equidistant parallel limiting grooves (14). The outer wall of the hardware terminal (3) is integrally formed with equidistant parallel fastening blocks (33), and the fastening blocks (33) are snapped into the inside of the fastening holes (12). The outer wall of the hardware terminal (3) is integrally formed with equidistant parallel limiting fastening bosses (31), and the limiting fastening bosses (31) are located inside the limiting grooves (14).

3. A card slot connector according to claim 1, characterized in that, The outer wall of one side of the hardware terminal (3) is integrally formed with a detection terminal (32), the detection terminal (32) is in contact with the outer wall of the card tray (2), and the card tray (2) contains a SIM card (24).

4. A card slot connector according to claim 1, characterized in that, The outer walls of both sides of the metal shell (1) are integrally formed with a first card holder locking spring (11), and the upper outer walls of the card holder (2) are provided with a first spring resisting groove (21) on both sides, and the first card holder locking spring (11) is located inside the first spring resisting groove (21).

5. A card slot connector according to claim 1, characterized in that, The ejector rod (5) has an assembly hole (51) inside. The size of the assembly hole (51) is adapted to the size of the assembly shaft (41), and the assembly shaft (41) is located inside the assembly hole (51). The outer wall of the ejector rod (5) is in contact with the outer wall of the card holder (2). The upper outer wall of the ejector rod (5) is integrally formed with a protective boss (53). The upper surface of the protective boss (53) is in contact with the outer wall of the metal shell (1). One end of the ejector rod (5) is integrally formed with an ejection part (54), which is in contact with the outer wall of the card holder (2).

6. A card slot connector according to claim 1, characterized in that, The ejector rod (5) has an integrally formed linkage block (52) at its end, and a drive groove (62) is provided on one side of the outer wall of the push rod (6), with the linkage block (52) located inside the drive groove (62).

7. A card slot connector according to claim 1, characterized in that, The card holder (2) has a second spring resisting groove (22) on its outer wall. The push rod (6) has a second card holder locking spring (61) integrally formed on its outer wall. The second card holder locking spring (61) is located inside the second spring resisting groove (22). The metal shell (1) has a spring resisting block (13) integrally formed on one side of its outer wall. The spring resisting block (13) is positioned opposite to the second card holder locking spring (61), and the lower end face of the spring resisting block (13) is in contact with the upper end face of the second card holder locking spring (61).

8. A card slot connector according to claim 1, characterized in that, The card holder (2) has a pin hole (23) on one side of its outer wall. A pin body (25) is provided inside the pin hole (23). A pressure plate (63) is integrally formed at the end of the push rod (6). The end of the pin body (25) is in contact with the outer wall of the pressure plate (63).

9. A card slot connector according to claim 1, characterized in that, The plastic shell (4) has a rectangular array of contact springs (34) inside, and the ends of the contact springs (34) are integrally formed with welding ends (36).

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