A card compartment structure for a SIM card

Abstract

The present invention discloses a card slot structure of a SIM card. A first cavity for accommodating a SIM card is arranged in a card slot body, one end of the card slot body has an opening, a SIM card slider is slidably arranged in the first cavity, one end of an elastic device is connected to the SIM card slider, and the other end of the elastic device is connected to the card slot body, and the elastic device is used to drive the SIM card slider to move toward the opening direction; a first SIM card port is arranged at an end of the card slot body close to the opening, and two first SIM card ports are arranged oppositely; a front cover is arranged on the opening, and an oblique opening is arranged at one end of the front cover close to one of the first SIM card ports, and when the front cover is pressed, the oblique opening is exposed from one of the first SIM card ports; a limiting mechanism is arranged on the card slot body and the front cover, and the limiting mechanism is used to prevent the front cover from falling off the card slot body. The setting of the oblique opening on the front cover changes the insertion direction of the SIM card, so that the SIM card can be quickly loaded into the first cavity, so as to improve the efficiency of taking and placing the SIM card.

Description

Technical Field

[0001] The invention relates to SIM card storage management equipment, in particular to a card storage structure of a SIM card. Background Art

[0002] The full name of SIM is "Subscriber Identity Module". In some corporate units, a large number of SIM cards need to be archived and classified every year. However, the existing SIM card detection, identification and classification operations are all performed manually. In actual operation, the operator first inserts a single SIM card into the SIM card detection terminal. The SIM card detection terminal can read the information of the SIM card and determine whether the card functions normally. If the card functions normally, it is judged as a good card and is placed in the corresponding storage box. If the card is damaged and cannot be used, it is judged as a bad card and is placed in a storage box specially used for bad cards. The above operation methods all need to be completed manually. The operator puts different types of SIM cards into different storage boxes respectively, which is time-consuming, labor-intensive and inefficient. Summary of the invention

[0003] Therefore, it is necessary to provide a SIM card slot structure to improve the efficiency of taking and placing the SIM card, while also protecting the SIM card.

[0004] To achieve the above-mentioned purpose, the present application provides a SIM card slot structure, comprising: an elastic device, a SIM card slider, a card slot body, a limiting mechanism and a front cover; a first cavity for accommodating a SIM card is provided in the card slot body, and one end of the card slot body has an opening, the SIM card slider is slidably arranged in the first cavity, one end of the elastic device is connected to the SIM card slider, and the other end of the elastic device is connected to the card slot body, and the elastic device is used to drive the SIM card slider to move toward the opening; two first SIM card ports are also provided on the card slot body, the first SIM card ports are located at one end of the card slot body close to the opening, and the two first SIM card ports are arranged opposite to each other;

[0005] The front cover is arranged on the opening, and an oblique opening is arranged at one end of the front cover close to one of the first SIM card ports. When the front cover is pressed, the oblique opening is exposed from one of the first SIM card ports. The limiting mechanism is placed on the card slot body and the front cover, and the limiting mechanism is used to prevent the front cover from falling off the card slot body.

[0006] Furthermore, the limiting mechanism includes: a convex strip and a groove; the convex strip is located on the card magazine body, the groove is placed on the front cover, and the convex strip is placed in the groove, and the groove reciprocates in a direction perpendicular to the length of the card magazine body.

[0007] Furthermore, the limiting mechanism is a limiting rod, which is straddled on the opening and disposed on a side of the front cover away from the first cavity. The limiting rod is used to resist the front cover, and a side of the front cover away from the first cavity is exposed from the limiting rod.

[0008] Furthermore, a pick-and-place structure is also provided on the card magazine structure; the pick-and-place structure comprises: an upper push pin, a lower push pin and a first driving device; the pick-and-place structure is placed at the end of the card magazine structure, and is located at one end of the card magazine structure close to the front cover; the upper push pin faces one of the first SIM card ports, and the lower push pin faces another of the first SIM card ports, and the upper push pin and the lower push pin are used for loading and ejecting SIM cards, respectively; the upper push pin and the lower push pin are connected by a connecting rod, the first driving device is connected to the connecting rod, and the first driving device is used to drive the rod connection to move upward or downward.

[0009] Furthermore, a chain warehouse is provided on one side of the card warehouse structure; a second cavity for accommodating a SIM card is provided in the chain warehouse, and two second SIM card ports which are in communication with the second cavity are provided on the chain warehouse, and the two second SIM card ports are arranged opposite to each other. When the SIM card is moved from the card warehouse structure to the chain warehouse or when the SIM card is moved from the chain warehouse to the card warehouse structure, the second SIM card port faces the first SIM card port, and another second SIM card port faces the upper push pin or the lower push pin, and the first SIM card port and the second SIM card port are used for the entry and exit of the SIM card, the upper push pin and the lower push pin.

[0010] Furthermore, the first driving device is a steering gear.

[0011] Furthermore, a pressing mechanism is provided at one end close to the front cover, and the pressing mechanism comprises: a cam and a second driving device; the cam is placed at the output end of the second driving device, the cam is placed on the side of the front cover away from the first cavity, and the cam is used to press the front cover.

[0012] Furthermore, the elastic device is a spring, one end of the spring is connected to the SIM card slider, and the other end of the spring is connected to a side of the first cavity away from the opening.

[0013] Furthermore, a perspective window is provided on the side wall of the card slot body, and the perspective window is used to view the number of SIM cards in the card slot body.

[0014] Furthermore, it also includes a locking mechanism, which includes: a rotating shaft and a locking piece; the rotating shaft is placed above the card magazine body, and the rotating shaft is placed at the end of the card magazine body away from the opening, the locking piece is rotatably arranged on the rotating shaft, and the locking piece is snap-connected with the card magazine body; the locking mechanism is used to lock the card magazine body to prevent the card magazine body from deviating from a preset position.

[0015] Different from the prior art, the above technical solution changes the insertion direction of the SIM card by setting the oblique opening on the front cover, so that the SIM card can be quickly loaded into the first cavity; at the same time, the elastic device and the SIM card slider provide kinetic energy for the SIM card, so that the SIM card can be continuously withdrawn from the card slot body, and at the same time, the SIM card can be prevented from shifting, thereby protecting the SIM card. The oblique opening, the elastic device and the SIM card slider can improve the efficiency of taking and placing the SIM card, and at the same time, prevent the SIM card from shifting. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is an assembly diagram of the card bin structure, the pick-and-place structure, the chain bin, the pressing mechanism and the locking mechanism;

[0017] Figure 2 is a structural diagram of the locking mechanism;

[0018] Figure 3-1 It is a structural diagram of the card bin structure and the pick-and-place structure;

[0019] Figure 3-2 It is a side view of the card storage structure and the pick-and-place structure;

[0020] Figure 4 is a structural diagram of the pressing mechanism;

[0021] Figure 5 The card compartment structure Figure 1 ;

[0022] Figure 6 The card compartment structure Figure 2 ;

[0023] Figure 7 An exploded view of the card bin structure;

[0024] Figure 8 It is a structural diagram of the SIM card slider and the front cover;

[0025] Fig. 9 Axonometric diagram of the SIM card loading process;

[0026] Fig.10 Side view of the SIM card loading process;

[0027] Fig.11 is an axonometric view of the front cover;

[0028] Fig.12 is a side view of the front cover;

[0029] Fig.13 is the chain warehouse structure diagram;

[0030] Fig.14 is a structural diagram of the pick-and-place structure;

[0031] Fig.15 This is a SIM card structure diagram.

[0032] Description of reference numerals:

[0033] 10. Card compartment structure;

[0034] 11. elastic device; 12. SIM card slider; 13. card slot body; 14. limit mechanism; 15. front cover; 16. first cavity; 17. open mouth; 18. first SIM card slot; 19. oblique mouth;

[0035] 141, convex strip; 142, concave groove;

[0036] 20. Pick-and-place structure;

[0037] 21. upper push pin; 22. lower push pin; 23. first driving device; 24. connecting rod;

[0038] 30. Chain warehouse;

[0039] 31. Second cavity; 32. Second SIM card port;

[0040] 40. Pressing mechanism;

[0041] 41. cam; 42. second driving device;

[0042] 50. Locking mechanism;

[0043] 60. SIM card. DETAILED DESCRIPTION

[0044] In order to explain the technical content, structural features, achieved objectives and effects of the technical solution in detail, the following is a detailed description in conjunction with specific embodiments and accompanying drawings.

[0045] See also Fig.15 In the present application, A of the SIM card 60 represents length and B represents width.

[0046] See also Figures 1 to 15The present application discloses a SIM card slot structure, comprising: an elastic device 11, a SIM card slider 12, a slot body 13, a limiting mechanism 14 and a front cover 15; the slot body 13 is provided with a first cavity 16 for accommodating a SIM card 60, and one end of the slot body 13 has an opening 17, the SIM card slider 12 is slidably arranged in the first cavity 16, one end of the elastic device 11 is connected to the SIM card slider 12, and the other end of the elastic device 11 is connected to the slot body 13, and the elastic device 11 is used to drive the SIM card slider 12 to move toward the opening 17; the slot body 13 is also provided with two first SIM card ports 18, the first SIM card ports 18 are located at one end of the slot body 13 close to the opening 17, and the two first SIM card ports 18 are arranged opposite to each other; please refer to Figure 11 to Figure 12 The bevel is a bevel with a chamfered angle or a rounded angle, so that the bevel and the front cover are arranged at a non-zero angle. When loading the SIM card, the SIM card changes its moving direction due to touching the chamfer, thereby loading the SIM card.

[0047] See also Figure 11 to Figure 12 The front cover 15 is covered on the opening 17, and an oblique opening 19 is provided at one end of the front cover 15 near one of the first SIM card ports 18. When the front cover 15 is pressed, the oblique opening 19 faces one of the first SIM card ports 18. The limiting mechanism 14 is disposed on the card slot body 13 and the front cover 15, and the limiting mechanism 14 is used to prevent the front cover 15 from falling off from the card slot body 13. It should be noted that the first cavity 16 is used to store multiple SIM cards 60; and the cross section of the first cavity 16 (i.e., the cross section of the card slot body 13) is adapted to the SIM card 60, the SIM card 60 reciprocates in the first cavity 16, and the length of the first cavity 16 is set along the length direction of the card slot body 13. The loading mentioned below refers to loading the SIM card 60 into the card slot structure, and the withdrawal refers to pushing the SIM card 60 out of the card slot structure 10.

[0048] It should also be noted that the two first SIM card ports 18 are arranged opposite to each other, that is, the two first SIM cards are in the same plane, the first SIM card port 18 close to the oblique opening 19 is used for the SIM card 60 to enter and exit, and the first SIM card port 18 away from the oblique opening 19 is used for the card needle to enter and exit. It should also be noted that the SIM card slider 12 and the front cover 15 are arranged in a split type, that is, the SIM card 60 is placed between the SIM card slider 12 and the front cover 15. The oblique opening 19 is a surface with a rounded corner or a chamfered corner. When the SIM card 60 touches the oblique opening 19, the original movement direction will be changed, that is, the SIM card 60 will be tilted toward the first cavity 16, so that the SIM card 60 can enter the first cavity 16, thereby improving the loading efficiency of the SIM card 60. It should also be further noted that the limiting mechanism 14 prevents the front cover 15 from falling off the card compartment body 13.

[0049] In actual use, please refer to Figures 8 to 10 When the SIM card 60 needs to be withdrawn from the SIM card slot structure 10, the card needle will enter from the first SIM card slot 18 away from the oblique opening 19 and eject a SIM card at the same time. The ejected SIM card 60 is withdrawn from the first SIM card slot 18 close to the oblique opening 19. When the SIM card 60 needs to be loaded into the SIM card slot structure 10, the operator presses the front cover 15 to make the oblique opening 19 face the first SIM card slot 18. At this time, the SIM card 60 is inserted from the first SIM card slot 18 close to the oblique opening 19. The inserted SIM card 60 hits the chamfered corner on the oblique opening 19. The SIM card 60 changes the insertion direction and tilts toward the first cavity 16. Since the SIM card 60 is still being inserted, the SIM card 60 pushes the SIM card slider 12 to move away from the front cover 15 until the SIM card 60 is completely inserted into the first cavity 16, completing the loading of the SIM card 60.

[0050] It should also be noted that when the operator presses the front cover 15, the SIM card 60 and the SIM card slider 12 in the first cavity 16 will move together in a direction away from the front cover 15, and at the same time, the bevel 19 will face the first SIM card port 18 near the bevel 19, waiting for the SIM card 60 to be loaded. When the front cover 15 is not pressed, the first SIM card port 18 near the bevel 19 cannot see the bevel 19, and only the SIM card 60 or the SIM card slider 12 can be seen.

[0051] Different from the prior art, the above technical solution changes the insertion direction of the SIM card 60 by setting the oblique opening 19 on the front cover 15, so that the SIM card 60 can be quickly loaded into the first cavity 16; at the same time, the elastic device 11 and the SIM card slider 12 provide kinetic energy for the SIM card 60, so that the SIM card 60 can be continuously withdrawn from the card compartment body 13, and the SIM card 60 can be prevented from shifting, thereby protecting the SIM card 60. The oblique opening 19, the elastic device 11 and the SIM card slider 12 can improve the efficiency of taking and placing the SIM card 60, and can also prevent the SIM card 60 from shifting.

[0052] See also Figure 7 In order to prevent the front cover 15 from falling off from the card slot body 13, in this embodiment, the limiting mechanism 14 includes: a convex strip 141 and a groove 142; the convex strip 141 is located on the side walls on both sides of the first SIM card port 18, the groove 142 is placed on the front cover 15, and the convex strip 141 is placed in the groove 142, and the groove 142 reciprocates in a length direction perpendicular to the convex strip 141. It should be noted that the length direction of the convex strip 141 is perpendicular to the length direction of the card slot body 13, and similarly, the length direction of the groove 142 is perpendicular to the length direction of the card slot body 13; it should also be noted that in this embodiment, the two side walls of the groove 142 are used to display the moving range of the front cover 15. Specifically, when the front cover 15 is pressed, the side wall of the groove 142 close to the upper surface of the front cover 15 contacts the ridge 141 to prevent the front cover 15 from continuing to move into the first cavity 16. At this time, the chamfer faces one of the first SIM card ports 18. When the front cover 15 is released, the side wall of the groove 142 away from the upper surface of the front cover 15 contacts the ridge 141 to prevent the front cover 15 from falling off.

[0053] Of course, in some implementations, the limiting mechanism 14 is a limiting rod, the limiting rod is arranged across the opening 17, the limiting rod is placed on the side of the front cover 15 away from the first cavity 16, the limiting rod is used to resist the front cover 15, and the side of the front cover 15 away from the first cavity 16 is exposed from the limiting rod. In some embodiments, in order to prevent the front cover 15 from being unable to align with the first SIM card port 18 when the front cover 15 is pressed, a blocking block is also provided on the inner wall of the card compartment body 13, the blocking block is used to prevent the operator from excessively pressing the front cover 15, so that the oblique opening 19 cannot be aligned with the first SIM card port 18. The setting of the blocking block is not necessary. When the operation of pressing the front cover 15 is completed by the cam 41, etc., the misalignment can be avoided by setting the pressing force in advance. It should be further explained that the limiting rod should ensure that the side of the front cover 15 away from the first cavity 16 can be pressed while limiting.

[0054] See also Fig.14 In some embodiments, a pick-and-place structure 20 is further provided on one side of the card storage structure, and the pick-and-place structures are multiple, and the pick-and-place structures correspond to the card storage structure one by one. The pick-and-place structure 20 also includes an upper push pin 21, a lower push pin 22, and a first drive device 23; the upper push pin 21 faces one of the first SIM card ports 18, and the lower push pin 22 faces another of the first SIM card ports 18, and the upper push pin 21 and the lower push pin 22 are used to take out and put in the SIM card 60 respectively; the upper push pin 21 and the lower push pin 22 are connected by a connecting rod 24, and the first drive device 23 is connected to the connecting rod 24, and the first drive device 23 is used to drive the rod connection to move upward or downward. It should be noted that the first SIM card port 18 near the oblique opening 19 is used to load the SIM card, that is, the push pin near the SIM card port is used to load the SIM card 60; similarly, the first SIM card port 18 away from the oblique opening 19 is used for the push pin to enter and eject the SIM card 60, that is, the push pin near the SIM card port is used to eject the SIM card 60. The size and shape of the upper push pin 21 and the lower push pin 22 are both compatible with the first SIM card port 18, and the upper push pin 21 and the lower push pin 22 can enter and exit from the first SIM card port 18.

[0055] See also Fig.13In order to identify, detect and transport the SIM card 60, in some embodiments, a chain bin 30 is further included; a second cavity 31 for accommodating a SIM card 60 is provided in the chain bin 30, and two second SIM card ports 32 are also provided on the chain bin 30, which are connected to the second cavity 31. The two second SIM card ports 32 are arranged opposite to each other, and one of the second SIM card ports 32 faces the oblique opening 19, and the other second SIM card port 32 faces the upper push pin 21 or the lower push pin 22, and the first SIM card port 18 and the second SIM card port 32 are used for the entry and exit of the SIM card 60, the upper push pin 21 and the lower push pin 22; the first driving device 23 is a steering gear. It should be noted that the chain bin 30 is used to transfer the SIM card 60 after detection. It should also be noted that the two first SIM card ports 18 and the two second SIM card ports 32 are located on the same line. Preferably, the chain bin 30 is placed below the card bin body 13, and the first SIM port close to the oblique opening 19 is also located below. The distance between the first SIM card port 18 and the second SIM card port 32 is smaller than the length or width of the SIM card 60 .

[0056] See also Figure 3-1 , Figure 3-2 and Figure 4 In some embodiments, a pressing mechanism 40 is further included, and the pressing mechanism 40 includes: a cam 41 and a second driving device 42; the cam 41 is placed at the output end of the second driving device, the cam 41 is placed on the side of the front cover 15 away from the first cavity 16, and the cam 41 is used to press the front cover 15. The rotation direction of the cam 41 is from the first SIM card port 18 close to the bevel 19 to the first SIM card port 18 away from the bevel 19, that is, in this embodiment, the cam 41 rotates from the chain bin 30 to the card bin body 13; in actual operation, the cam 41 first contacts the front cover 15 close to the bevel 19, so that the bevel 19 is aligned with the first SIM card port 18, and the SIM card 60 can be loaded at this time, thereby improving the loading efficiency of the SIM card 60; if the cam 41 rotates in the opposite direction, the front cover 15 on the side of the bevel 19 will tilt upward, and the bevel 19 will be blocked by the side wall of the card bin body 13, and the SIM card 60 loading operation can only be started when the cam 41 is placed in the middle of the front cover 15. It should also be noted that the card bin structure 10, the pick-and-place structure 20 and the pressing mechanism 40 are all fixed on the bottom plate.

[0057] In actual use, there are multiple card bin structures 10, and the multiple card bin structures 10 are divided into an archiving area and an unarchiving area; in the unarchiving area, when the chain bin 30 moves to the bottom of the card bin structure 10, the first SIM card port 18 is opposite to the second SIM card port 32, and the first driving device 23 drives the upper push pin 21 to move downward, and the upper push pin 21 extends into the first SIM card port 18 to push out the SIM card 60 in the card bin structure 10, and the pushed out SIM card 60 enters the chain bin 30 located below. When the SIM card 60 is placed in the chain bin 30, the SIM card 60 is identified and detected by the detection mechanism. According to the identification and detection result, the chain bin 30 moves the SIM card 60 to the bottom of the corresponding card bin structure 10 in the archiving area. At this time, the first SIM card port 18 corresponds to the second SIM card port 32, and the cam 41 rotates and presses the front cover 15 under the drive of the second driving device 42. At this time, the oblique opening 19 on the front cover 15 is placed above the second SIM card port 32. The push pin 22 at the bottom moves upward to push the SIM card 60 that has been tested in the chain bin 30 out of the chain bin 30, and pushes it into the first cavity 16 from the first SIM card port 18 close to the bevel 19. At this time, the bevel 19 will change the movement state of the SIM card 60, so that the SIM card 60 tilts toward the first cavity 16, and squeezes the SIM card slider 12, so that the SIM card slider 12 moves away from the front cover 15, until the SIM card 60 completely enters the first cavity 16 to complete the filling operation.

[0058] See also Figure 7In some embodiments, the elastic device 11 is a spring, one end of the spring is connected to the SIM card slider 12, and the other end of the spring is connected to the side of the first cavity 16 away from the opening 17. It should be noted that when the SIM card is continuously fed into the first cavity 16, the spring will be continuously compressed, so that the SIM card slider 12 continuously moves away from the opening 17, accumulating elastic potential energy; when the SIM card 60 continuously exits the first cavity 16 through the card needle, the elastic potential energy of the spring is gradually released, so that the SIM card slider 12 continuously moves toward the opening 17. Of course, in some embodiments, the elastic device 11 is a plurality of springs. Specifically, the plurality of springs are respectively placed at a corner of the card compartment, and one end of each spring is connected to the SIM card slider 12, and the other end is connected to the card compartment body 13 around the opening 17. When the SIM card is continuously fed into the first cavity 16, the spring will be continuously stretched, so that the SIM card slider 12 continuously moves away from the opening 17, accumulating elastic potential energy; when the SIM card continuously exits the first cavity 16 through the card needle, the elastic potential energy of the spring is gradually released, so that the SIM card slider 12 continuously moves toward the opening 17. In this embodiment, the elastic force direction of the elastic device 11 is the same as the length direction of the card compartment body 13, and both give the SIM card slider 12 a force in the direction of the opening 17, thereby driving the SIM card 60 to move.

[0059] In some embodiments, a perspective window is further provided on the side wall of the card slot body 13, and the perspective window is used to view the number of SIM cards 60 in the card slot body 13. In this embodiment, the perspective window is disposed on the side wall of the card slot body 13, and is used to view the storage status of the SIM cards 60 in the card slot body 13.

[0060] In order to prevent the card slot structure 10 of the SIM card from falling off during use, or to prevent the card slot structure 10 of the SIM card from not being properly aligned, please refer to FIG. Figure 4In this embodiment, a locking mechanism 50 is also included, and the locking mechanism 50 includes: a rotating shaft and a locking member; the rotating shaft is placed above the card slot body 13, and the rotating shaft is placed at one end of the card slot body 13 away from the opening 17, the locking member is rotatably arranged on the rotating shaft, and the locking member is snap-connected with the card slot body 13; the locking mechanism 50 is used to lock the card slot body 13 to prevent the card slot body 13 from deviating from the preset position. It should be noted that the preset position is a position where the SIM card 60 can be correctly inserted and the cam 41 can be accurately pressed. It should also be noted that a card slot that is mutually adapted to the locking member is provided at one end of the card slot body 13 away from the front cover 15, and when the locking member is rotated downward and locked, the locking member is placed in the card slot; the card slot structure 10 of the SIM card 60 is prevented from falling off during use, and the card slot structure 10 of the SIM card is prevented from not being correctly aligned.

[0061] It should be noted that, although the above embodiments have been described in this article, the patent protection scope of the present invention is not limited thereby. Therefore, based on the innovative concept of the present invention, changes and modifications made to the embodiments described herein, or equivalent structures or equivalent process changes made using the contents of the present invention specification and drawings, directly or indirectly applying the above technical solutions to other related technical fields, are all included in the patent protection scope of the present invention.

Claims

1. A SIM card slot structure, characterized in that: include: An elastic device, a SIM card slider, a card slot body, a limiting mechanism and a front cover; a first cavity for accommodating a SIM card is provided in the card slot body, and one end of the card slot body has an opening, the SIM card slider is slidably arranged in the first cavity, one end of the elastic device is connected to the SIM card slider, and the other end of the elastic device is connected to the card slot body, and the elastic device is used to drive the SIM card slider to move toward the opening; two first SIM card ports are also provided on the card slot body, the first SIM card ports are placed at one end of the card slot body close to the opening, and the two first SIM card ports are arranged opposite to each other; The front cover is arranged on the opening, and an oblique opening is arranged at one end of the front cover close to one of the first SIM card ports, and when the front cover is pressed, the oblique opening is exposed from one of the first SIM card ports; the limiting mechanism is arranged on the card slot body and the front cover, and the limiting mechanism is used to prevent the front cover from falling off from the card slot body; The elastic device is a spring, one end of the spring is connected to the SIM card slider, and the other end of the spring is connected to a side of the first cavity away from the opening; A perspective window is also provided on the side wall of the card slot body, and the perspective window is used to view the number of SIM cards in the card slot body; The card magazine structure is also provided with a pick-and-place structure; the pick-and-place structure comprises: an upper push pin, a lower push pin and a first driving device; the pick-and-place structure is disposed at the end of the card magazine structure and is located at one end of the card magazine structure close to the front cover; the upper push pin faces one of the first SIM card ports, the lower push pin faces another of the first SIM card ports, the upper push pin and the lower push pin are respectively used for loading and ejecting the SIM card; the upper push pin and the lower push pin are connected by a connecting rod, the first driving device is connected to the connecting rod, and the first driving device is used to drive the connecting rod to move upward or downward; A pressing mechanism is also provided at one end close to the front cover, and the pressing mechanism comprises: a cam and a second driving device; the cam is disposed at the output end of the second driving device, the cam is disposed at a side of the front cover away from the first cavity, and the cam is used to press the front cover.

2. A SIM card slot structure according to claim 1, characterized in that: The limiting mechanism includes: a convex strip and a concave strip; the convex strip is located on the card magazine body, the concave strip is placed on the front cover, and the convex strip is placed in the concave strip, and the concave strip reciprocates in a length direction perpendicular to the card magazine body.

3. A SIM card slot structure according to claim 1, characterized in that: The limiting mechanism is a limiting rod, which is straddled on the opening and disposed on a side of the front cover away from the first cavity. The limiting rod is used to abut against the front cover, and a side of the front cover away from the first cavity is exposed from the limiting rod.

4. A SIM card slot structure according to claim 1, characterized in that: A chain warehouse is also provided on one side of the card warehouse structure; a second cavity for accommodating a SIM card is provided in the chain warehouse, and two second SIM card ports which are in communication with the second cavity are also provided on the chain warehouse, and the two second SIM card ports are arranged opposite to each other. When the SIM card is moved from the card warehouse structure to the chain warehouse or when the SIM card is moved from the chain warehouse to the card warehouse structure, the second SIM card port faces the first SIM card port, and the other second SIM card port faces the upper push pin or the lower push pin, and the first SIM card port and the second SIM card port are used for the entry and exit of the SIM card, the upper push pin and the lower push pin.

5. The card slot structure of a SIM card according to claim 1, characterized in that: The first driving device is a steering gear.

6. The card slot structure of a SIM card according to claim 1, characterized in that: It also includes a locking mechanism, which includes: a rotating shaft and a locking piece; the rotating shaft is placed above the card magazine body, and the rotating shaft is placed at the end of the card magazine body away from the opening, the locking piece is rotatably arranged on the rotating shaft, and the locking piece is snap-connected with the card magazine body; the locking mechanism is used to lock the card magazine body to prevent the card magazine body from deviating from a preset position.

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