SIM card multi-choice device based on key control and server

Abstract

The utility model relates to the field of data transmission devices, and provides an SIM card multi-choice device based on key control and a server. The SIM card multi-choice device based on key control comprises at least two mounting plates, at least two connecting plates and a plurality of multi-choice circuit boards. The at least two mounting plates are stacked in the first direction, and a plurality of circuit board mounting positions are stacked on each mounting plate in the first direction; the plurality of one-out-of-multiple circuit boards are arranged corresponding to the plurality of circuit board mounting positions, a plurality of SIM card slots and control switches in one-to-one correspondence with the SIM card slots are arranged on the one-out-of-multiple circuit boards, and the control switches are used for controlling on-off of the SIM switches on the SIM card slots and signals of the one-out-of-multiple circuit boards. According to the method and the device, when different networks need to be accessed in different areas and scenes, the multi-SIM card equipment can realize quick switching based on the key, the interruption time is reduced, and the efficiency is improved. The SIM card does not need to be frequently plugged and unplugged, so that the possibility of misoperation is reduced, and the communication stability is ensured.

Description

Technical Field

[0001] The present application relates to the technical field of data transmission devices, and in particular to a SIM card multiple-selection device and server based on key control. Background Art

[0002] Data transmission equipment requires different SIM cards to access different networks in different environments and states. Frequently changing locations requires a large number of SIM cards, requiring constant switching. Frequent manual card replacement can easily damage the cards. The large number of SIM cards that need to be labeled and managed can be easily lost, increasing labor costs. With rapid geographic shifts, manual card replacement cannot keep up with service demands, making service continuity impossible.

[0003] The existing technical solution is to place multiple SIM cards on a single device, test all SIM cards in a default order or a specified order and record the results, select a SIM card from the available SIM cards to use, and if a SIM card is found to be unavailable, use the next available SIM card. This solution is suitable for SIM cards that can automatically switch to an available state at a fixed location to ensure that there are cards available. Because the transmission effects of all SIM cards at the same location are roughly the same, it is not responsible for selecting the SIM card with the best transmission effect. If the location changes, the test results may be inaccurate. The card switching is automatically determined by the software, and the judgment time is uncontrollable and cannot be manually intervened.

[0004] In the relevant technical field, most existing technical solutions use software to automatically determine the availability of multiple SIM cards. The duration and accuracy of the software judgment cannot be evaluated, the test status is uncontrollable after environmental changes, and manual intervention is not possible. Utility Model Content

[0005] The embodiments of the present application provide a SIM card multiple selection device and server based on button control, which is used to solve the technical problems that most existing technical solutions use software to automatically determine the availability of multiple SIM cards, the duration and accuracy of the software judgment cannot be evaluated, the test status is uncontrollable after environmental changes, and manual intervention of the results is not possible.

[0006] In a first aspect, an embodiment of the present application provides a SIM card multiple selection device based on key control, comprising:

[0007] At least two mounting plates, at least two of which are stacked along a first direction, and each of which has a plurality of circuit board mounting positions stacked along the first direction;

[0008] At least two connecting plates, wherein the at least two connecting plates are respectively connected to opposite sides of two adjacent mounting plates;

[0009] Multiple multiple-choice circuit boards, multiple multiple-choice circuit boards corresponding to multiple circuit board mounting positions, multiple SIM card slots and control switches corresponding to the SIM card slots are provided on the multiple-choice circuit board, and the control switch is used to control the signal on and off between the SIM switch on the SIM card slot and the multiple-choice circuit board.

[0010] In one embodiment, the button-controlled SIM card multiple-selection device further includes an internal connecting cable, an internal connector socket is provided on the multiple-selection circuit board, and two adjacent multiple-selection circuit boards are connected through the internal connecting cable and the internal connector socket.

[0011] In one embodiment, the button-controlled SIM card multiple-selection device further includes an external connecting cable, an external connector socket is provided on the multiple-selection circuit board, and the multiple-selection circuit board is connected to the external mainboard through the external connecting cable and the external connector socket.

[0012] In one embodiment, the mounting plate includes a base plate, a first bending portion and a second bending portion, the first bending portion and the second bending portion are provided at both ends of the base plate, the first bending portion is connected between the second bending portion and the base plate, wherein the first bending portion is bent toward the first direction, the second bending portion is bent toward the second direction, and the second bending portions on both ends of the same base plate are arranged oppositely, a first circuit board mounting position is provided on the base plate, and the two second bending portions arranged oppositely form a second circuit board mounting position.

[0013] In one embodiment, the button-controlled SIM card multiple-selection device further includes a plurality of board fixing columns, wherein the plurality of board fixing columns are arrayed on the first circuit board mounting position, and the multiple-selection circuit board is provided with a plurality of first fixing holes corresponding to the board fixing columns, and the multiple-selection circuit board is respectively connected to the plurality of board fixing columns through fasteners and the first fixing holes.

[0014] In one embodiment, the second bending portion has a plurality of mounting holes, the multiple-choice circuit board is provided with a plurality of second fixing holes corresponding to the mounting holes, and the multiple-choice circuit board is connected to the second circuit board mounting position through fasteners and the second fixing holes.

[0015] In one embodiment, a plurality of first connection holes are provided on the first bending portion, and the mounting plate is connected to the connection plate through the first connection holes.

[0016] In one embodiment, the connecting plate is provided with a plurality of docking holes, and the plurality of docking holes respectively correspond to the first connecting holes on the two adjacent mounting plates, and fasteners pass through the docking holes on the connecting plate and the first connecting holes on the two adjacent mounting plates to connect and fix the two adjacent mounting plates.

[0017] In one embodiment, the mounting plate further includes a plurality of protrusions, which are symmetrical and arranged on both sides of the base plate corresponding to the first bending portion. The protrusions and the first bending portion are arranged perpendicular to each other, and a second connecting hole is provided on the protrusion. The mounting plate is connected and fixed to the external structure through the second connecting hole.

[0018] In a second aspect, an embodiment of the present application provides a server, including:

[0019] outer shell;

[0020] As described above, the SIM card multiple selection device based on button control is installed in the outer shell, wherein the control switch is exposed on the outside of the outer shell.

[0021] The key-controlled SIM card multi-select device provided in the embodiment of the present application provides installation positions for multiple multi-select circuit boards by setting multiple mounting plates stacked along a first direction, and stacking multiple circuit board mounting positions on each mounting plate along the first direction. In this way, through the structure of the mounting plates in the mounting frame, the number of mounting plates can be configured according to different scenarios to expand the number of multi-select circuit boards and improve the convenience of multi-select circuit board installation. At the same time, by setting the SIM card slots on the multi-select circuit board to a one-to-one correspondence with the control switch, the user can easily select between multiple SIM cards, so that when different networks need to be connected in different areas and scenarios, the multi-SIM card device can achieve rapid switching based on the key, reducing interruption time and improving efficiency. There is no need to frequently remove and insert SIM cards, which reduces the possibility of operational errors and ensures the stability of communication. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the present application or the prior art, a brief introduction will be given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0023] Figure 1 This is a front structural diagram of a device for selecting one of multiple SIM cards based on key control provided by the utility model.

[0024] Figure 2 This is a schematic diagram of the rear side structure of a device for selecting one of multiple SIM cards based on key control provided by the utility model.

[0025] Figure 3 This is a structural schematic diagram of an embodiment of a mounting plate provided by the utility model.

[0026] Figure 4 This is a structural schematic diagram of another embodiment of the mounting plate provided by the utility model.

[0027] Figure 5 This is a structural schematic diagram of the connecting plate provided by the utility model.

[0028] Figure 6 This is a schematic diagram of the structure of the multiple-choice circuit board provided by the utility model.

[0029] Figure 7 This is a schematic diagram of the internal connection wiring structure provided by the utility model.

[0030] Figure 8 This is a schematic diagram of the external connection cable structure provided by the utility model.

[0031] Figure 9 This is a schematic diagram of server assembly provided by the utility model.

[0032] Reference numerals:

[0033] 1. Server;

[0034] 10. SIM card multiple selection device based on button control;

[0035] 100, mounting plate; 110, bottom plate; 111, circuit board mounting position; 120, first bent portion; 121, first connecting hole; 130, second bent portion; 131, mounting hole; 140, protrusion; 141, second connecting hole;

[0036] 200, connecting plate; 210, docking hole;

[0037] 300, select one of the circuit boards; 310, SIM card slot; 320, control switch; 330, internal connector socket; 340, external connector socket; 350, first fixing hole; 360, second fixing hole;

[0038] 400, internal connection cable;

[0039] 500, external connection cable;

[0040] 600, board fixing column;

[0041] 700, fasteners;

[0042] 20. Outer shell. DETAILED DESCRIPTION

[0043] To make the objectives, technical solutions, and advantages of this application more clear, the technical solutions in this application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of this application. Obviously, the described embodiments are only part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of this application.

[0044] In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be understood as limiting the embodiments of the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and should not be understood as indicating or implying relative importance.

[0045] In the description of the embodiments of the present invention, it should be noted that, unless otherwise specified or limited, the terms "connected" and "connection" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, or indirect connections through an intermediary. Those skilled in the art will understand the specific meanings of the above terms in the embodiments of the present invention based on specific circumstances.

[0046] The utility model provides a SIM card multiple-selection device and a server based on key control.

[0047] In the embodiment of the present utility model, Figures 1 to 6 As shown, a key-controlled SIM card multiple-selection device 10 includes at least two mounting plates 100, at least two connecting plates 200, and multiple multiple-selection circuit boards 300. The at least two mounting plates 100 are stacked along a first direction, with each mounting plate 100 having multiple circuit board mounting locations 111 stacked along the first direction. The at least two connecting plates 200 are connected to opposite sides of two adjacent mounting plates 100. The multiple multiple-selection circuit boards 300 are arranged corresponding to the multiple circuit board mounting locations 111. The multiple-selection circuit boards 300 are provided with multiple SIM card slots 310 and control switches 320 corresponding to each SIM card slot 310. The control switches 320 are used to control the signal between the SIM switch on the SIM card slot 310 and the multiple-selection circuit boards 300.

[0048] The mounting plate 100 is the foundational structure of the entire device, used to support and secure the multiple-choice circuit board 300. It provides a mounting platform for the multiple-choice circuit board 300, ensuring that it maintains its correct position and orientation within the device. By stacking these mounting plates 100, vertical and horizontal space can be effectively utilized, making the device more compact and reducing its footprint and volume. The number of mounting plates 100 can be increased as needed to accommodate more circuit boards, facilitating device expansion.

[0049] The connecting plate 200 is located between two adjacent mounting plates 100, connecting and securing the mounting plates 100 and enhancing the structural stability of the entire device. The design of the connecting plate 200 supports the modular nature of the device, making the addition and removal of mounting plates 100 and circuit boards more flexible and convenient.

[0050] The multi-choice circuit board 300 is a core component responsible for managing and switching SIM cards. Each circuit board is equipped with multiple SIM card slots 310 to accommodate multiple SIM cards. The control switches 320 on the circuit board correspond one-to-one with the SIM card slots 310. Keystrokes can be used to control the opening and closing of the switches 320, thereby switching the signal between the SIM card and the circuit board. When switching to a different network, the user can control the corresponding control switch 320 with a keystroke, allowing the device to quickly connect to the target network and reduce communication interruptions.

[0051] In the embodiment of the present application, the multiple-select circuit board 300 is described as a four-digit multiple-select circuit board as an example. In other embodiments, the multiple-select circuit board 300 can be six-digit, eight-digit or ten-digit, etc., and is not specifically limited here.

[0052] The SIM card slot 310 is used to insert a SIM card and is the physical connection interface between the SIM card and the device. The card slot design usually includes a protective mechanism, such as a metal contact protection cover or spring pins, to prevent the SIM card from physical damage or static electricity.

[0053] Control switch 320 is the interface between the user and the circuit board. By pressing a button, the user can control the on and off of switch 320, thereby controlling the signal flow between the SIM card and the circuit board. The design of control switch 320 eliminates the need to frequently remove and insert the SIM card to switch networks, greatly simplifying the operation process.

[0054] The present application provides installation locations for multiple multi-select circuit boards 300 by providing multiple mounting plates 100 stacked along a first direction, and multiple circuit board mounting positions 111 stacked along the first direction on each mounting plate 100. In this way, through the structure of the mounting plates 100 in the mounting frame, the number of mounting plates 100 can be configured according to different scenarios to expand the number of multi-select circuit boards 300 and improve the convenience of installing the multi-select circuit boards 300. At the same time, by setting the SIM card slots 310 and control switches 320 on the multi-select circuit board 300 in a one-to-one correspondence, users can easily select between multiple SIM cards, and when different networks need to be connected in different areas and scenarios, multi-SIM card devices can achieve rapid switching based on buttons, reducing interruption time and improving efficiency. There is no need to frequently remove and insert SIM cards, which reduces the possibility of operational errors and ensures communication stability.

[0055] Reference Figure 2 and Figure 7 In one embodiment, the button-controlled SIM card multiple-selection device 10 further includes an internal connecting cable 400 , and an internal connector socket 330 is provided on the multiple-selection circuit board 300 . Two adjacent multiple-selection circuit boards 300 are connected through the internal connecting cable 400 and the internal connector socket 330 .

[0056] It is understood that the internal connecting cable 400 is used to establish an electrical connection between two adjacent multiple-choice circuit boards 300, ensuring smooth signal and data transmission between these circuit boards. This facilitates switching and management of multiple SIM cards. The internal connecting cable 400 is generally flexible and durable, able to withstand a certain degree of bending and vibration, thereby improving the stability and reliability of the entire device in complex environments.

[0057] The internal connector socket 330 is the interface on the multiple-choice circuit board 300 for connecting the internal connecting cable 400. This standardized design ensures compatibility between different circuit boards, reducing production costs and maintenance. The design of the internal connector socket 330 makes plugging and unplugging the internal connecting cable 400 simple and quick, making it easier for users to replace or upgrade circuit boards.

[0058] Reference Figure 2 and Figure 8 In one embodiment, the button-controlled SIM card multiple-selection device 10 further includes an external connecting cable 500, and an external connector socket 340 is provided on the multiple-selection circuit board 300. The multiple-selection circuit board 300 is connected to the external mainboard through the external connecting cable 500 and the external connector socket 340.

[0059] It can be understood that the external connecting cable 500 is a bridge between the multi-select circuit board 300 and the external mainboard, and is suitable for transmitting signals and data on the circuit board to the mainboard, or receiving instructions and data from the mainboard. This enables the multi-select device to be integrated into a larger system. Through the external connecting cable 500, the multi-select device can be easily connected to other hardware components, thereby expanding the functionality of the entire system. The external connector socket 340 follows certain industry standards or custom specifications to ensure compatibility with the external mainboard or other hardware components. Through the combined use of the external connecting cable 500 and the external connector socket 340, an efficient and reliable connection between the SIM card multi-select device 10 based on button control and the external mainboard is achieved.

[0060] Reference Figure 2 and Figure 3 In one embodiment, the mounting plate 100 includes a base plate 110, a first bending portion 120 and a second bending portion 130, and the first bending portion 120 and the second bending portion 130 are provided at both ends of the base plate 110, and the first bending portion 120 is connected between the second bending portion 130 and the base plate 110, wherein the first bending portion 120 is bent toward the first direction, and the second bending portion 130 is bent toward the second direction, and the second bending portions 130 at both ends of the same base plate 110 are arranged opposite to each other, and a first circuit board mounting position 111 is provided on the base plate 110, and the two oppositely arranged second bending portions 130 form a second circuit board mounting position 111.

[0061] It can be understood that the base plate 110 serves as the base portion of the mounting plate 100, and the base plate 110 provides a stable support surface for installing and fixing other components. In this embodiment, the first direction is the vertical direction, and in other embodiments, it may be the horizontal direction, etc.; in this embodiment, the second direction is the horizontal direction, and in other embodiments, it may be the vertical direction, etc. The first bending portion 120 extends from one end of the base plate 110 and bends toward the first direction. To enhance the stability and rigidity of the overall structure. The second bending portion 130 extends from the other end of the first bending portion 120 away from the base plate 110, and bends toward a second direction perpendicular to the first direction. The two second bending portions 130 arranged opposite to each other form a special structural frame for installing and supporting the second circuit board.

[0062] The first circuit board mounting area 111 is directly disposed on the base plate 110 and is used to mount and secure one of the multiple-choose-one circuit boards 300. The second circuit board mounting area 111 is formed by two opposing second bent portions 130. This provides sufficient support area while allowing for a specific layout between adjacent multiple-choose-one circuit boards 300, helping to reduce interference between circuit boards and improve signal transmission quality.

[0063] Thus, through the bent design, mounting plate 100 can effectively mount and support multiple circuit boards within a limited space, improving space utilization. The stable support of base plate 110 and the reinforcement of the bent portion together ensure the stability of circuit board installation and reduce the risk of damage caused by vibration or impact.

[0064] Reference Figure 3 and Figure 4 In one embodiment, the button-controlled SIM card multiple-selection device 10 further includes a plurality of board fixing columns 600, which are arrayed on the first circuit board mounting position 111. The multiple-selection circuit board 300 is provided with a plurality of first fixing holes 350 corresponding to the board fixing columns 600. The multiple-selection circuit board 300 is connected to the plurality of board fixing columns 600 through fasteners 700 and the first fixing holes 350, respectively.

[0065] As will be appreciated, since the first circuit board mounting location 111 is provided on the base plate 110, to prevent the base plate 110 and the multiple-select-one circuit board 300 from being tightly attached, this embodiment provides a plurality of board securing posts 600 on the first circuit board mounting location 111. The multiple-select-one circuit board 300 is secured to the first circuit board mounting location 111 via the board securing posts 600. This allows for a certain gap to be maintained between the multiple-select-one circuit board 300 and the base plate 110, facilitating heat dissipation during operation of the multiple-select-one circuit board 300, preventing damage to the multiple-select-one circuit board 300 due to overheating and improving device safety. Specifically, a fastener 700 can be provided on the base plate 110 through a hole formed therein to connect to one end of the board securing post. The other end of the board securing post 600 can be provided with a threaded hole. The fastener 700 connects to the threaded hole through the first securing hole 350 on the multiple-select-one circuit board 300, thereby securing the multiple-select-one circuit board 300 to the first circuit board mounting location 111.

[0066] Reference Figure 3 and Figure 4 In one embodiment, the second bending portion 130 has a plurality of mounting holes 131 , and one of the circuit boards 300 is provided with a plurality of second fixing holes 360 corresponding to the mounting holes 131 . The one of the circuit boards 300 is connected to the second circuit board mounting position 111 through fasteners 700 and the second fixing holes 360 .

[0067] It is understandable that multiple mounting holes 131 are designed on the second bending portion 130. The positions and numbers of these mounting holes 131 need to be precisely calculated based on the size, weight and layout requirements of the multiple-choice circuit board 300 to ensure that the circuit board can be firmly mounted on the second circuit board mounting position 111.

[0068] The mounting holes 131 serve as connection points and are used in conjunction with the fasteners 700 to tightly connect the multiple-choice circuit board 300 to the second bent portion 130. They not only provide the necessary mechanical support but also ensure the stability and reliability of the circuit board during installation.

[0069] Multiple second fixing holes 360 are provided on the select-from-all circuit board 300 at locations corresponding to the multiple mounting holes 131. The size and position of these fixing holes must precisely match the mounting holes 131 to ensure that the fasteners 700 can pass through and securely lock. The second fixing holes 360 serve as a connection channel between the fasteners 700 and the select-from-all circuit board 300. Through these second fixing holes 360 and the mounting holes 131, the fasteners 700 securely connect the select-from-all circuit board 300 to the second bent portion 130, forming a secure mechanical connection.

[0070] In this way, by providing the mounting hole 131 on the second bending portion 130 and cooperating with the second fixing hole 360 on the multiple-selection circuit board 300, a stable connection of the circuit board in the vertical direction is achieved, thereby enhancing the stability of the overall structure.

[0071] Reference Figures 1 to 4 In one embodiment, a plurality of first connection holes 121 are provided on the first bending portion 120 , and the mounting plate 100 is connected to the connection plate 200 through the first connection holes 121 .

[0072] It is understood that the first bent portion 120 serves as the connection portion between the mounting plate 100 and the connecting plate 200, and is provided with a plurality of first connecting holes 121. The position and number of the first connecting holes 121 need to be designed according to the connection requirements of the mounting plate 100 and the connecting plate 200 to ensure that the two can be firmly connected together.

[0073] The first connection hole 121 serves as a connection point, and the mounting plate 100 and the connection plate 200 are tightly connected by fasteners 700 (such as screws, nuts, etc.), providing necessary mechanical support to ensure the stability and reliability of the connection between the two.

[0074] Reference Figure 1 and Figure 5 In one embodiment, a plurality of docking holes 210 are provided on the connecting plate 200, and the plurality of docking holes 210 respectively correspond to the first connecting holes 121 on the two adjacent mounting plates 100. The fasteners 700 pass through the docking holes 210 on the connecting plate 200 and the first connecting holes 121 on the two adjacent mounting plates 100 to connect and fix the two adjacent mounting plates 100.

[0075] It is understood that the connection plate 200 is provided with a plurality of docking holes 210, and the position and number of the docking holes 210 can be determined based on the layout of the first connection holes 121 on the two adjacent mounting plates 100. Each docking hole 210 is aligned with the first connection holes 121 on the two adjacent mounting plates 100 in three-dimensional space, so that the fastener 700 can pass through and be locked smoothly.

[0076] The butt-jointing holes 210 serve as connection passages, allowing fasteners 700 (such as screws, bolts, etc.) to pass through and connect two adjacent mounting plates 100 , thereby simplifying the installation process and improving the stability and reliability of the connection.

[0077] During installation, two adjacent mounting plates 100 are first positioned in the predetermined position, ensuring that their first connection holes 121 align with the mating holes 210 on the connecting plate 200. Then, fasteners 700 (such as screws with nuts or bolts with lock washers) are inserted one by one through the mating holes 210 on the connecting plate 200 and the first connection holes 121 on the two adjacent mounting plates 100. Finally, all fasteners 700 are tightened into place, completing the connection and securing of the two adjacent mounting plates 100. The coordinated use of the fasteners 700, the mating holes 210 on the connecting plate 200, and the first connection holes 121 on the mounting plates 100 creates a secure mechanical connection between the two adjacent mounting plates 100.

[0078] Reference Figure 1 and Figure 3 In one embodiment, the mounting plate 100 further includes a plurality of protrusions 140, which are symmetrical and arranged on both sides of the base plate 110 corresponding to the first bent portion 120. The protrusions 140 and the first bent portion 120 are arranged perpendicular to each other. A second connecting hole 141 is provided on the protrusion 140, and the mounting plate 100 is connected and fixed to the external structure through the second connecting hole 141.

[0079] As will be appreciated, the mounting plate 100 is provided with a plurality of protrusions 140, symmetrically distributed on both sides of the base plate 110 and arranged perpendicularly to the first bent portion 120. This provides additional connection points for the mounting plate 100 or the device, facilitating connection to an external structure. The protrusions 140 serve as connecting bridges, tightly connecting the mounting plate 100 to the external structure through the second connection holes 141 provided therein. The addition of the protrusions 140 and the provision of the second connection holes 141 therein achieve a secure connection between the mounting plate 100 and the external structure.

[0080] The utility model also proposes a server 1, referring to Figure 9The server 1 includes an outer shell 20 and a key-controlled SIM card multiple selection device 10. The key-controlled SIM card multiple selection device 10 is installed in the outer shell 20, wherein the control switch 320 is exposed on the outside of the outer shell 20. The specific structure of the key-controlled SIM card multiple selection device 10 is similar to the above-mentioned embodiment. Since the server 1 adopts all the technical solutions of all the above-mentioned embodiments, it has at least all the beneficial effects brought about by the technical solutions of the above-mentioned embodiments, which will not be detailed here.

[0081] In the embodiments of the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Furthermore, a first feature being "above," "above," or "above" a second feature may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below," "below," or "below" a second feature may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is lower in level than the second feature.

[0082] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the embodiment of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification and the features of different embodiments or examples without contradiction.

[0083] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A SIM card multiple selection device based on key control, characterized in that: include: At least two mounting plates, at least two of which are stacked along a first direction, and each of which has a plurality of circuit board mounting positions stacked along the first direction; At least two connecting plates, wherein the at least two connecting plates are respectively connected to opposite sides of two adjacent mounting plates; Multiple multiple-choice circuit boards, multiple multiple-choice circuit boards corresponding to multiple circuit board mounting positions, multiple SIM card slots and control switches corresponding to the SIM card slots are provided on the multiple-choice circuit board, and the control switch is used to control the signal on and off between the SIM switch on the SIM card slot and the multiple-choice circuit board.

2. The SIM card multiple selection device based on key control according to claim 1, characterized in that: The button-controlled SIM card multiple-selection device further includes an internal connecting cable. An internal connector socket is provided on the multiple-selection circuit board. Two adjacent multiple-selection circuit boards are connected via the internal connecting cable and the internal connector socket.

3. The SIM card multiple selection device based on key control according to claim 1, characterized in that: The button-controlled SIM card multiple-selection device further includes an external connecting cable. An external connector socket is provided on the multiple-selection circuit board. The multiple-selection circuit board is connected to an external mainboard via the external connecting cable and the external connector socket.

4. The SIM card multiple selection device based on key control according to any one of claims 1 to 3, characterized in that: The mounting plate includes a base plate, a first bending portion and a second bending portion, the first bending portion and the second bending portion are provided at both ends of the base plate, the first bending portion is connected between the second bending portion and the base plate, wherein the first bending portion is bent toward a first direction, the second bending portion is bent toward a second direction, and the second bending portions at both ends of the same base plate are arranged oppositely, a first circuit board mounting position is provided on the base plate, and the two second bending portions arranged oppositely form a second circuit board mounting position.

5. The SIM card multiple selection device based on key control according to claim 4, characterized in that: The button-controlled SIM card multiple-selection device also includes multiple board fixing columns, which are arrayed on the first circuit board mounting position. The multiple-selection circuit board is provided with multiple first fixing holes corresponding to the board fixing columns. The multiple-selection circuit board is respectively connected to the multiple board fixing columns through fasteners and the first fixing holes.

6. The SIM card multiple selection device based on key control according to claim 4, characterized in that: The second bending portion has a plurality of mounting holes, the multiple-choice circuit board is provided with a plurality of second fixing holes corresponding to the mounting holes, and the multiple-choice circuit board is connected to the second circuit board mounting position via fasteners and the second fixing holes.

7. The SIM card multiple selection device based on key control according to claim 4, characterized in that: The first bending portion is provided with a plurality of first connecting holes, and the mounting plate is connected to the connecting plate through the first connecting holes.

8. The SIM card multiple selection device based on key control according to claim 7, characterized in that: The connecting plate is provided with a plurality of docking holes, and the plurality of docking holes respectively correspond to the first connecting holes on the two adjacent mounting plates. Fasteners pass through the docking holes on the connecting plate and the first connecting holes on the two adjacent mounting plates to connect and fix the two adjacent mounting plates.

9. The SIM card multiple selection device based on key control according to claim 4, characterized in that: The mounting plate also includes a plurality of protrusions, which are symmetrical and arranged on both sides of the base plate corresponding to the first bending portion. The protrusions and the first bending portion are arranged perpendicular to each other. A second connecting hole is provided on the protrusion, and the mounting plate is connected and fixed to the external structure through the second connecting hole.

10. A server, characterized in that: include: outer shell; The button-controlled SIM card multiple-selection device according to any one of claims 1 to 9, wherein the button-controlled SIM card multiple-selection device is installed in the outer shell, wherein the control switch is exposed on the outside of the outer shell.

Images