SIM Card Adapter Device and In-Vehicle Video Monitoring Equipment

Abstract

The present application provides a SIM card adapter device and a vehicle-mounted video monitoring device. The SIM card adapter device includes a flip-up card holder for installing a SIM card, a carrier assembly for fixing the flip-up card holder, and an adapter assembly for converting the signal of the SIM card. The carrier assembly is inserted into the adapter assembly. Compared with the prior art, the SIM card adapter device of the present application uses a flip-up card holder to install the SIM card, preventing the SIM card from falling out of the flip-up card holder when the card holder is vibrated or instantaneously impacted, so as to improve the reliability of the connection between the SIM card and the card holder. Moreover, the flip-up card holder is connected to the carrier assembly and is detachably connected to the adapter assembly through the carrier assembly, enabling the flip-up card holder to be pulled out from the inside of the adapter assembly, thus facilitating the installation or removal of the SIM card.

Description

Technical Field

[0001] This application belongs to the field of vehicle-mounted monitoring devices. More specifically, it relates to a SIM card adapter device and a vehicle-mounted video monitoring device. Background Art

[0002] In a vehicle-mounted video monitoring device, a 4G module is integrated inside the monitoring device host for real-time monitoring of a remote platform and fault alarm. The SIM card supporting the 4G module is installed in a SIM card socket, and the SIM card socket is installed inside the host.

[0003] Currently, for most SIM card sockets used in vehicle-mounted video monitoring devices, when the vehicle is subjected to continuous vibration or instantaneous impact, the SIM card is likely to pop out of the SIM card socket, resulting in SIM card communication failure and a relatively high failure rate. Moreover, since the SIM card socket is installed inside the monitoring device host, it is not convenient to install and remove the SIM card. Summary of the Invention

[0004] The purpose of the embodiments of this application is to provide a SIM card adapter device and a vehicle-mounted video monitoring device to solve the technical problems of high SIM card communication failure rate and inconvenience in installing and removing the SIM card existing in the prior art.

[0005] To achieve the above purpose, the first aspect of this application provides a SIM card adapter device, including:

[0006] A flip-up card socket for fixedly connecting a SIM card, having a first state and a second state;

[0007] A carrier assembly for fixedly connecting to the flip-up card socket in the first state and for movably connecting to the flip-up card socket in the second state; and

[0008] An adapter assembly for the carrier assembly to be plugged into to convert the signal of the SIM card.

[0009] In one embodiment, the carrier assembly includes:

[0010] A carrier part to which the flip-up card socket is connected; and

[0011] A plug-in part fixedly connected to the carrier part and plugged into the adapter assembly.

[0012] In one embodiment, the carrier assembly further includes:

[0013] A clamping member connected to the carrier part and in clamping cooperation with the adapter assembly for fixing the carrier assembly when the carrier part is plugged into the inside of the adapter assembly.

[0014] In one embodiment, the adapter assembly includes:

[0015] A cartridge, including an open end;

[0016] An adapter socket, connected to the cartridge, for converting the signal of the SIM card, and the plugging portion penetrates through the open end and is plugged into the adapter socket;

[0017] The clamping member is clamped and matched with the open end.

[0018] In one embodiment, the cartridge includes:

[0019] An upper cartridge cover, provided with a card slot at the open end, and the clamping member is clamped and matched with the card slot; and

[0020] A lower cartridge cover, connected to the upper cartridge cover, and the adapter socket is connected to the lower cartridge cover.

[0021] In one embodiment, the SIM card adapter device further includes:

[0022] A first guiding mechanism, disposed on the side wall of the cartridge and extending from the open end to the adapter socket, for defining the movement direction of the bearing portion in the cartridge; and

[0023] A second guiding mechanism, disposed on the adapter socket, for defining the movement direction when the plugging portion is plugged into the adapter socket.

[0024] In one embodiment, the first guiding mechanism is a guiding chute recessed in the side wall of the cartridge, and the bearing portion is slidably connected to the guiding chute; and

[0025] The second guiding mechanism is a guiding groove recessed in the adapter socket, and the plugging portion is plugged into the guiding groove.

[0026] In one embodiment, the SIM card adapter device further includes a limiting and fixing mechanism, which is connected to the cartridge and located between the open end and the adapter socket, and the limiting and fixing mechanism is used to limit the position of the flip-up card holder relative to the adapter socket.

[0027] In one embodiment, the limiting and fixing mechanism includes:

[0028] An abutting portion, including a fixing surface and an abutting surface, the fixing surface is connected to the cartridge, and the abutting surface abuts against a peripheral surface of the flip-up card holder for fixing the flip-up card holder; and

[0029] The limiting part is connected to the side of the abutting part away from the opening end. The limiting part protrudes from the abutting surface and abuts against one side surface of the flip - type card holder to limit the position of the flip - type card holder relative to the adapter base.

[0030] The beneficial effects of the SIM card adapter device provided by this application are as follows: Compared with the prior art, the SIM card adapter device of this application uses a flip - type card holder to install the SIM card, preventing the SIM card from falling out of the flip - type card holder when the card holder is vibrated or instantaneously impacted, improving the reliability of the connection between the SIM card and the card holder. Moreover, the flip - type card holder is connected to the carrier assembly and is detachably connected to the adapter assembly through the carrier assembly. By pulling the flip - type card holder out of the interior of the adapter assembly, it is convenient to install or remove the SIM card.

[0031] The second aspect of this application is to provide a vehicle - mounted video monitoring device, which includes a host for processing and storing data. The host includes:

[0032] A housing, provided with a fixed cover, and the fixed cover is rotatably connected to the housing; and

[0033] A host panel, installed inside the housing;

[0034] A SIM card adapter device, connected to the host panel and corresponding to the position of the fixed cover. The SIM card adapter device is the SIM card adapter device described above.

[0035] The beneficial effects of the vehicle - mounted video monitoring device provided by this application are the same as those of the SIM card adapter device provided by this application, and will not be elaborated here. Brief Description of the Drawings

[0036] In order to more clearly illustrate the technical solutions in the embodiments of this application, the following will briefly introduce the drawings required for use in the embodiments or the description of the prior art. Obviously, the following drawings are only some embodiments of this application. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0037] Figure 1 It is a schematic diagram of the SIM card adapter device provided by the embodiment of this application;

[0038] Figure 2 It is a schematic diagram of the flip - type card holder provided by the embodiment of this application;

[0039] Figure 3 It is a schematic diagram of the carrier assembly provided by the embodiment of this application;

[0040] Figure 4Schematic diagram of the carrier provided by the embodiment of the present application;

[0041] Figure 5 Schematic diagram of the handle provided by the embodiment of the present application;

[0042] Figure 6 Exploded view of the adapter assembly provided by the embodiment of the present application;

[0043] Figure 7 Schematic diagram of the cartridge provided by the embodiment of the present application;

[0044] Figure 8 Schematic diagram of the adapter provided by the embodiment of the present application;

[0045] Figure 9 Schematic diagram of the upper lid provided by the embodiment of the present application;

[0046] Figure 10 Schematic diagram of the lower lid provided by the embodiment of the present application;

[0047] Figure 11 Schematic diagram of the vehicle-mounted video monitoring device provided by the embodiment of the present application Figure 1 ;

[0048] Figure 12 Schematic diagram of the vehicle-mounted video monitoring device provided by the embodiment of the present application Figure 2 ;

[0049] Figure 13 Internal schematic diagram of the vehicle-mounted video monitoring device provided by the embodiment of the present application;

[0050] Figure 14 Schematic diagram of the main unit panel provided by the embodiment of the present application.

[0051] Among them, the reference numerals in the figure:

[0052] 1, flip-up card seat; 2, carrier assembly; 3, adapter assembly; 4, SIM card; 5, gold finger; 6, screw; 7, cartridge; 8, adapter; 9, guide chute; 10, guide groove; 11, limit fixing mechanism; 12, main unit; 13, housing; 14, main unit panel; 15, fixing cover; 16, lock head;

[0053] 101, chassis; 102, flip cover; 103, connection terminal;

[0054] 201, carrier; 202, handle; 203, clamping part;

[0055] 2011, carrier part; 2012, insertion part; 2013, fixing hole;

[0056] 2021, Seat body; 2022, Handheld part; 2023, Fixed plate;

[0057] 701, Open end; 702, Upper box cover; 703, Lower box cover; 704, Card slot;

[0058] 801, Adapter board; 802, Docking socket; 803, FFC connector;

[0059] 901, Upper guide bar; 902, Lower guide bar;

[0060] 111, Contact part; 112, Limiting part;

[0061] 1111, Contact surface. Detailed implementation mode

[0062] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application clearer, the present application will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0063] It should be noted that when an element is referred to as "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0064] It should be understood that the orientation or positional relationship indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present application.

[0065] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present application, "a plurality" means two or more, unless otherwise specifically defined.

[0066] Please refer to Figures 1 to 10 , and now the SIM card adapter device provided by the embodiment of the present application will be described.

[0067] In the first aspect, for the SIM card adapter device proposed by the present application, please refer toFigures 1 to 3 , including a flip - type card holder 1, a carrier assembly 2 and a transfer assembly 3. The flip - type card holder 1 is used to fixedly connect a SIM card 4, and the flip - type card holder 1 has a first state and a second state. The carrier assembly 2 is used to fixedly connect to the flip - type card holder 1 in the first state and is used to movably connect to the flip - type card holder 1 in the second state. The transfer assembly 3 is used for the carrier assembly 2 to be plugged in to convert the signal of the SIM card 4.

[0068] The beneficial effects of the SIM card transfer device provided by this application are as follows: Compared with the prior art, the SIM card transfer device of this application uses a flip - type card holder 1 to install the SIM card 4, preventing the SIM card 4 from falling off the flip - type card holder 1 when the flip - type card holder 1 is vibrated or instantaneously impacted, and improving the reliability of the connection between the SIM card 4 and the card holder; moreover, the flip - type card holder 1 is connected to the carrier assembly 2 and is detachably connected to the transfer assembly 3 through the carrier assembly 2. By pulling out the flip - type card holder 1 from the inside of the transfer assembly 3, it is convenient to install or remove the SIM card 4.

[0069] Specifically, the flip - type card holder 1 includes a chassis 101, a flip cover 102 and connection terminals 103. The chassis 101 includes an installation slot for plugging in the SIM card 4. The flip cover 102 is rotatably connected to the chassis 101, and the chassis 101 is fixed to the carrier assembly 2. When the flip - type card holder 1 is in the first state, the flip cover 102 is buckled on the chassis 101, and the carrier assembly 2 drives the flip - type card holder 1 to be plugged into the transfer assembly 3 to fix the flip - type card holder 1 inside the transfer assembly 3. When the flip - type card holder 1 is in the second state, the carrier assembly 2 drives the flip - type card holder 1 to move and separate from the transfer assembly 3, and the flip cover 102 is opened relative to the chassis 101. After the SIM card 4 is plugged into the inside of the installation slot, the flip cover 102 is buckled on the chassis 101 to fix the SIM card 4 and prevent the SIM card 4 from falling out of the installation slot, improving the stability of the SIM card 4 installation. The connection terminals 103 are embedded in the chassis 101, and there are gold fingers 5 on the carrier assembly 2. One end of the connection terminal 103 abuts against the SIM card 4, and the other end abuts against the gold fingers 5, which is used to transmit the signal on the SIM card 4 to the transfer assembly 3.

[0070] In an embodiment of this application, please refer to Figures 3 to 5 , the carrier assembly 2 includes a carrier member 201.

[0071] In the present application, the carrier 201 is a plate-like structure, and the carrier 201 includes a carrier portion 2011 and a plug-in portion 2012. The carrier portion 2011 is provided with a fixing hole 2013, and the fixing hole 2013 is located at the end of the carrier portion 2011. The chassis 101 of the clamshell card holder 1 is welded to the carrier portion 2011, and the plug-in portion 2012 is convexly arranged at one end of the carrier portion 2011 away from the fixing hole 2013, and the plug-in portion 2012 is integrally arranged with the carrier portion 2011, and the plug-in portion 2012 is plugged into the adapter component 3.

[0072] In the present application, the carrier assembly 2 further includes a handle 202 and a clamping member 203. The handle 202 is connected to one end of the carrier 201 having a fixing hole 2013, and the clamping member 203 is connected to the handle 202. When the plug-in portion 2012 is plugged into the adapter assembly 3, the clamping member 203 is clamped and matched with the adapter assembly 3 to fix the carrier assembly 2.

[0073] Specifically, the handle 202 includes a base 2021, a hand-held portion 2022, and a fixing plate 2023. The hand-held portion 2022 and the fixing plate 2023 are respectively arranged on both sides of the base 2021. The fixing plate 2023 is fixedly connected to the carrier 201 by means of screws 6. The screws 6 penetrate the fixing plate 2023 and are threadedly connected to the fixing holes 2013 to fix the carrier 201 on the handle 202. There are two clamping members 203, both connected to the base 2021, and symmetrically arranged on both sides of the carrier 201 along its length direction, for clamping and matching with the adapter assembly 3 when the plug-in portion 2012 is plugged into the adapter assembly 3.

[0074] The hand-held portion 2022 is used for the operator to hold the handle 202, so that the operator can push and pull the handle 202 to plug the plug-in portion 2012 on the carrier 201 into and pull out of the adapter component 3. When the plug-in portion 2012 is plugged into the adapter component 3, the connection terminal 103 on the flip-type card holder 1 abuts and cooperates with the gold finger 5 provided on the carrier component 2, so as to transmit the signal on the SIM card 4 to the adapter component 3.

[0075] In one embodiment of the present application, see Figures 6 to 10 The adapter assembly 3 includes a card box 7 and an adapter seat 8. The card box 7 includes an open end 701. The adapter seat 8 is connected to the card box 7 and is used to convert the signal of the SIM card 4. The plug-in portion 2012 on the carrier 201 passes through the open end 701 and is plugged into the adapter seat 8. The card connector 203 is plugged into the open end 701.

[0076] In the present application, a cavity is provided inside the cartridge 7. The adapter base 8 includes an adapter plate 801, a docking socket 802, and an FFC connector 803. The docking socket 802 and the FFC connector 803 are both connected to the adapter plate 801, and both the docking socket 802 and the FFC connector 803 are electrically connected to the adapter plate 801. The adapter plate 801 is connected to the bottom of the cartridge 7 and penetrates through one end of the cartridge 7 away from the opening end 701. The docking socket 802 is located inside the cartridge 7, and the FFC connector 803 is located outside the cartridge 7. The gold finger 5 is connected to the docking socket 802, and the plugging portion 2012 is plugged into the docking socket 802. When the plugging portion 2012 is plugged into the docking socket 802, the connection terminal 103 on the flip-up card holder 1 abuts against the gold finger 5 on the docking socket 802 for transmitting the signal of the SIM card 4.

[0077] In the present application, the cartridge 7 includes an upper lid 702 and a lower lid 703. A card slot 704 is provided on the side wall of the upper lid 702. The number of the card slots 704 is two. Both of the two card slots 704 are located at the opening end 701 and are provided on both sides in the width direction of the upper lid 702. Two clamping members 203 are clamped in the corresponding card slots 704. The lower lid 703 is connected to the upper lid 702. The adapter plate 801 is connected to the lower lid 703 and penetrates through one end of the upper lid 702 away from the opening end 701, so that the docking socket 802 is located inside the cartridge 7 and the FFC connector 803 is located outside the cartridge 7.

[0078] In an embodiment of the present application, please refer to Figures 7 to 10 , the SIM card adapter device further includes a first guiding mechanism and a second guiding mechanism. The first guiding mechanism is arranged on the side wall of the cartridge 7 and extends from the opening end 701 to the adapter base 8 for defining the moving direction of the carrying portion 2011 inside the cartridge 7. The second guiding mechanism is arranged on the adapter base 8 for defining the moving direction when the plugging portion 2012 is plugged into the adapter base 8.

[0079] In the present application, the first guiding mechanism is a guiding chute 9 recessed in the side wall of the cartridge 7, and the carrying portion 2011 is slidably connected to the guiding chute 9. The second guiding mechanism is a guiding groove 10 recessed in the docking socket 802 in the adapter base 8, and the plugging portion 2012 is plugged into the guiding groove 10.

[0080] In the present application, upper guiding strips 901 are symmetrically arranged on both sides in the width direction of the upper box cover 702, and the extending direction of the upper guiding strips 901 is parallel to the length direction of the cartridge 7. Lower guiding strips 902 are symmetrically arranged on both sides in the width direction of the lower box cover 703, and the extending direction of the lower guiding strips 902 is parallel to the length direction of the cartridge 7. When the lower box cover 703 is connected to the upper box cover 702, the upper guiding strips 901 and the lower guiding strips 902 are spaced apart to form a guiding chute 9. Chamfers are provided at one ends of the upper guiding strips 901 and the lower guiding strips 902 close to the opening end 701, facilitating the insertion of the carrier 201 into the guiding chute 9. The guiding groove 10 is Y-shaped, and the opening of the guiding groove 10 faces the opening end 701, facilitating the insertion of the plugging portion 2012 into the guiding groove 10.

[0081] In an embodiment of the present application, please refer to Figure 10 , the SIM card adapter device further includes a limiting and fixing mechanism 11. The limiting and fixing mechanism 11 is connected to the cartridge 7 and is located between the opening end 701 and the adapter base 8. The limiting and fixing mechanism 11 is used to limit the position of the flip-up card holder 1 relative to the adapter base 8.

[0082] In the present application, the limiting and fixing mechanism 11 is fixed to the lower box cover 703 and is located between the two lower guiding strips 902. After the carrier 201 is inserted into the interior of the cartridge 7, the limiting and fixing mechanism 11 is in abutting cooperation with the flip-up card holder 1, and is used to limit the relative position of the flip-up card holder 1 and the docking seat 802, so as to prevent the plugging portion 2012 from being excessively inserted into the docking seat 802 and damaging the docking seat 802 during the process of inserting the carrier 201 into the cartridge 7.

[0083] In an embodiment of the present application, please refer to Figure 10 , the limiting and fixing mechanism 11 includes an abutting portion 111 and a limiting portion 112. The abutting portion 111 includes a fixing surface and an abutting surface 1111. The fixing surface is connected to the cartridge 7, and the abutting surface 1111 abuts against a peripheral surface of the flip-up card holder 1 for fixing the flip-up card holder 1. The limiting portion 112 is connected to a side of the abutting portion 111 away from the opening end 701. The limiting portion 112 protrudes from a side of the abutting surface 1111 away from the opening end 701. The limiting portion 112 is in abutting cooperation with a side surface of the flip-up card holder 1 to limit the position of the flip-up card holder 1 relative to the cartridge 7.

[0084] In the present application, the abutting portion 111 is a raised block protruding from the lower lid 703, and the abutting portion 111 is located between two lower guiding strips 902. A chamfer is provided on one side of the abutting portion 111 close to the opening end 701, facilitating the insertion of the carrier 201 into the cartridge 7. When the carrier 201 is inserted into the cartridge 7, the abutting surface 1111 abuts against the flip cover 102 on the flip-up card holder 1, preventing the flip cover 102 from opening due to vibration or instantaneous impact, thereby fixing the SIM card 4 installed in the flip-up card holder 1 and ensuring the stability of the SIM card 4 during operation.

[0085] The limiting portion 112 is a convex platform protruding from the abutting surface 1111 on the side far from the opening end 701. When the carrier 201 is inserted into the cartridge 7, the limiting portion 112 abuts against the side surface of the end of the flip-up card holder 1 far from the handle 202, for limiting the relative position of the flip-up card holder 1 with respect to the docking seat 802 in the adapter 8, so as to prevent the insertion portion 2012 from being inserted too deeply into the docking seat 802 and causing damage to the docking seat 802 during the process of inserting the carrier 201 into the cartridge 7.

[0086] Second, the in-vehicle video monitoring device provided by the present application, as Figures 11 to 14 shown, includes a host 12 for processing and storing data. The host 12 includes a housing 13, a host panel 14, and a SIM card adapter device. A fixed cover 15 is provided on the housing 13, and the fixed cover 15 is rotatably connected to the housing 13. The host panel 14 is installed inside the housing 13. Among them, the SIM card adapter device is the SIM card adapter device provided in the above embodiment.

[0087] The SIM card adapter device includes a flip-up card holder 1, a carrier assembly 2, and an adapter assembly 3. The SIM card 4 is detachably connected to the inside of the flip-up card holder 1; the flip-up card holder 1 is connected to the carrier assembly 2; the adapter assembly 3 in the SIM card adapter device is connected to the host panel 14, and the position of the adapter assembly 3 corresponds to the position of the fixed cover 15. The adapter assembly 3 is used to convert the signal of the SIM card 4, and the carrier assembly 2 is inserted into the adapter assembly 3.

[0088] When the carrier assembly 2 drives the flip-up card holder 1 installed with the SIM card 4 to be inserted into the adapter assembly 3, the fixed cover 15 is threadedly connected to the housing 13 through the lock head 16, realizing the closing of the fixed cover 15 on the housing 13 and abutting against the carrier assembly 2 to fix the carrier assembly 2 inside the adapter assembly 3. Preventing the carrier assembly 2 from falling off the adapter assembly 3 due to vibration or instantaneous impact, reducing the faults of the SIM card adapter device, and improving the working stability of the SIM card adapter device. When it is necessary to take out or replace the SIM card 4, open the fixed cover 15, take out the carrier assembly 2, and open the flip-up card holder 1 to take out or replace the SIM card 4, which is convenient to operate.

[0089] The above are only the preferred embodiments of the present application and are not intended to limit the present application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present application shall be included within the protection scope of the present application.

Claims

1. A SIM card adapter device, characterized in that, Comprising: A flip - type card holder for fixedly connecting a SIM card, having a first state and a second state; A carrier assembly for fixedly connecting to the flip - type card holder in the first state and for fixedly connecting to the flip - type card holder in the second state. The flip - type card holder includes a chassis and a flip cover; And An adapter assembly for the carrier assembly to be plugged in to convert the signal of the SIM card; The adapter assembly includes: A card box including an open end; An adapter base connected to the card box for converting the signal of the SIM card; The SIM card adapter device further includes a limit and fixation mechanism. The limit and fixation mechanism is connected to the card box and is located between the open end and the adapter base. The limit and fixation mechanism is used to limit the position of the flip - type card holder relative to the adapter base; The limit and fixation mechanism includes: An abutting portion including a fixed surface and an abutting surface. The fixed surface is connected to the card box, and the abutting surface abuts against the flip cover for fixing the flip - type card holder; and A limiting portion connected to a side of the abutting portion away from the open end. The limiting portion protrudes from the abutting surface, and the limiting portion abuts and cooperates with a side surface of the flip - type card holder to limit the position of the flip - type card holder relative to the adapter base.

2. The SIM card adapter device according to claim 1, characterized in that, The carrier assembly includes: A carrier portion to which the flip - type card holder is connected; and A plugging portion fixedly connected to the carrier portion, and the plugging portion is plugged into the adapter assembly.

3. The SIM card adapter device according to claim 2, characterized in that, The carrier assembly further includes: A clamping member connected to the carrier portion and clamping and cooperating with the adapter assembly for fixing the carrier assembly when the carrier portion is plugged into the interior of the adapter assembly.

4. The SIM card adapter device according to claim 3, wherein The plugging portion passes through the open end and is plugged into the adapter base; The clamping member is clamped and cooperated with the open end.

5. The SIM card adapter device according to claim 4, wherein The card box includes: An upper box cover provided with a card slot at the open end, and the clamping member is clamped and cooperated with the card slot; and A lower box cover connected to the upper box cover, and the adapter base is connected to the lower box cover.

6. The SIM card adapter device according to claim 4, characterized in that, The SIM card adapter device further includes: A first guiding mechanism provided on the side wall of the card box and extending from the open end to the adapter base for defining the movement direction of the carrier portion in the card box; and A second guiding mechanism provided on the adapter base for defining the movement direction when the plugging portion is plugged into the adapter base.

7. The SIM card adapter device according to claim 6, wherein, The first guiding mechanism is a guiding chute recessed in the side wall of the card box, and the carrier portion is slidably connected to the guiding chute; and The second guiding mechanism is a guiding groove recessed in the adapter base, and the plugging portion is plugged into the guiding groove.

8. A vehicle-mounted video monitoring device, comprising a host for processing and storing data, characterized in that, The host includes: A housing provided with a fixed cover, and the fixed cover is rotatably connected to the housing; and A host panel installed inside the housing; A SIM card adapter device connected to the host panel and corresponding to the position of the fixed cover. The SIM card adapter device is the SIM card adapter device according to any one of claims 1 - 7 above.

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