CN217691842U

CN217691842U - SIM card device and vehicle-mounted monitoring equipment

Info

Publication number: CN217691842U
Application number: CN202220842270.7U
Authority: CN
Inventors: 曾俊鑫
Original assignee: Streamax Technology Co Ltd
Current assignee: Streamax Technology Co Ltd
Priority date: 2022-04-12
Filing date: 2022-04-12
Publication date: 2022-10-28
Anticipated expiration: 2032-04-12

Abstract

The application relates to the technical field of monitoring equipment, and provides an SIM card device and vehicle-mounted monitoring equipment, wherein the SIM card device comprises a card holder and an SIM card installed on the card holder; the SIM card component is detachably inserted into the inserting groove; the first sealing ring is sleeved on the periphery of the card holder and used for being contained in the sealing groove and sealed between the sealing groove and the card holder when the SIM card component is inserted in the insertion groove. The utility model provides a SIM clamps puts, ensures the leakproofness between cassette and the card box subassembly effectively, greatly reduces impurity such as dust, moisture and from the seam infiltration SIM card between cassette and the card box subassembly and puts the inside risk that causes the SIM card to damage, greatly ensures performance, the life that the SIM clamped the device.

Description

SIM card device and vehicle-mounted monitoring equipment

Technical Field

The application belongs to the technical field of monitoring equipment, and particularly relates to a SIM card device and vehicle-mounted monitoring equipment.

Background

The SIM card device of the existing vehicle monitoring device generally includes a card box and a SIM card assembly, wherein the card box is provided with an insertion slot, one end of the insertion slot is provided with an opening, and the SIM card assembly includes a card seat detachably inserted into the insertion slot from the opening, and a SIM card installed on the card seat.

Based on this, when on-vehicle supervisory equipment is in the service environment such as the dust is big, humidity is high, salt haze height, and impurity such as dust, moisture easily permeates inside the SIM card device, leads to the SIM card fragile.

SUMMERY OF THE UTILITY MODEL

An object of this application is to provide a SIM card device to when solving when current on-vehicle supervisory equipment is in service environment such as the dust is big, humidity is high, salt haze height, inside impurity such as dust, moisture easily permeates the SIM card device, leads to the fragile problem of SIM card.

In order to achieve the purpose, the technical scheme adopted by the application is as follows: a SIM card device, comprising:

the SIM card assembly comprises a card holder and an SIM card installed on the card holder;

the SIM card component is detachably inserted into the inserting groove;

the first sealing ring is sleeved on the periphery of the card holder and used for being accommodated in the sealing groove and sealed between the sealing groove and the card holder when the SIM card component is inserted in the insertion groove.

In one embodiment, the cartridge assembly is provided with an accommodating cavity which is arranged on one side of the insertion groove far away from the sealing groove and communicated with the insertion groove, and an adapting hole which is used for communicating the accommodating cavity to the outside;

the SIM card device further comprises a second sealing ring and a switching assembly which is limited and accommodated in the accommodating cavity, the switching assembly is inserted into the SIM card, matched and connected with the SIM card in a signal mode, the switching assembly is provided with a switching terminal penetrating through the switching hole, and the second sealing ring is annularly arranged on the peripheral side of the switching terminal and sealed between the peripheral edge of the switching hole and the switching assembly.

In one embodiment, the card box subassembly includes card box and card lid, the card box be equipped with the seal groove, the inserting groove hold the chamber, the switching hole, and with hold the relative installing port in chamber, the installing port confession switching subassembly along its installation extremely hold the chamber, the card lid can be dismantled the lid and fit in the installing port.

In one embodiment, the SIM card device further includes a third sealing ring disposed around the periphery of the mounting opening, and the third sealing ring is sealed between the card cover and the periphery of the mounting opening.

In one embodiment, one of the peripheral edge of the mounting opening and the clamping cover is concavely provided with a mounting groove for limiting and mounting the third sealing ring therein.

In one embodiment, the other one of the peripheral edge of the mounting opening and the clamping cover is convexly provided with a pressing bulge which is opposite to the mounting groove and is used for tightly pressing the third sealing ring.

In one embodiment, the cartridge assembly is concavely provided with a pressing part, the pressing part is provided with the transfer hole, and the pressing part is used for tightly pressing the second sealing ring.

In one embodiment, an annular sealing convex strip is convexly arranged on the outer periphery of the first sealing ring and is used for tightly abutting against the groove wall of the sealing groove.

In one embodiment, one of the groove wall of the insertion groove and the clamping seat is convexly provided with a clamping piece, and the other one of the groove wall of the insertion groove and the clamping seat is concavely provided with a clamping groove in clamping fit with the clamping piece.

The application also aims to provide vehicle-mounted monitoring equipment which comprises the SIM card device.

The application provides beneficial effect lies in:

the SIM card device that this application embodiment provided, first sealing washer has been cup jointed through the periphery at the cassette of installation SIM card, and peg graft in the inserting groove and peg graft when target in place at SIM card subassembly, through first sealing washer holding in the seal groove in order to realize the sealed between seal groove and the cassette, guarantee the leakproofness between cassette and the cassette subassembly effectively, greatly reduce the risk that impurity such as dust, moisture cause the SIM card to damage from the inside SIM card device that causes of slot infiltration between cassette and the cassette subassembly, greatly guarantee that SIM card device is in the performance in service environment such as the dust is big, humidity is high, salt haze height, life.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required to be used in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a perspective view of a SIM card device provided in an embodiment of the present application;

FIG. 2 isbase:Sub>A cross-sectional view taken along A-A of FIG. 1;

fig. 3 is an exploded view of a SIM card device provided in an embodiment of the present application;

fig. 4 is an exploded view of a SIM card device provided in the embodiment of the present application;

FIG. 5 is an exploded view of a cartridge assembly provided by embodiments of the present application;

fig. 6 is a perspective view of an on-vehicle monitoring device provided in an embodiment of the present application.

The reference numbers illustrate:

10-SIM card device; 11-a SIM card component; 111-a card holder; 1111-a clip; 112-SIM card; 12-a cartridge assembly; 121-a cartridge; 1211 — a sealing groove; 1212-a plug groove; 12121-snap-in grooves; 1213-an accommodation cavity; 1214-a pressing part; 12141-a switch-over hole; 1215-a mounting port; 1216-mounting groove; 122-a card cover; 1221-pressing the protrusion; 13-a first sealing ring; 131-sealing convex strips; 14-a second sealing ring; 15-a transition assembly; 151-a transfer terminal; 16-a third sealing ring; 20-vehicle monitoring equipment.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

In the description of the present application, it is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings, which is for convenience and simplicity of description, and does not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, is not to be considered as limiting.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

Specific implementations of the present application are described in more detail below with reference to specific embodiments:

referring to fig. 1, fig. 2, fig. 3, fig. 4, and fig. 6, an embodiment of the present application provides a SIM card device 10, which has good sealing performance, and is especially suitable for being used in environments with large dust, high humidity, high salt fog degree, and the like, and especially suitable for being used in a vehicle-mounted monitoring device 20 of a transportation vehicle such as a bus, a coach, a bus, a taxi, and the like.

The SIM card device 10 includes a SIM card assembly 11, a cartridge assembly 12, and a first seal ring 13. The SIM card assembly 11 includes a socket 111 and a SIM card 112 installed on the socket 111. One end of the card box assembly 12 is provided with a sealing groove 1211 and a plugging groove 1212 at the bottom of the sealing groove 1211, and the SIM card assembly 11 is detachably plugged into the plugging groove 1212. The first sealing ring 13 is sleeved on the outer periphery of the card socket 111, and the first sealing ring 13 is configured to be accommodated in the sealing groove 1211 and sealed between the sealing groove 1211 and the card socket 111 when the SIM card assembly 11 is inserted into the insertion groove 1212.

Based on this, the first sealing ring 13 is sleeved on the outer periphery of the card seat 111 where the SIM card 112 is installed, and when the SIM card assembly 11 is inserted into the insertion groove 1212 and inserted in place, the first sealing ring 13 is accommodated in the sealing groove 1211 to seal between the sealing groove 1211 and the card seat 111, that is, to seal between the card seat 111 and the card box assembly 12, so that the sealing property between the card seat 111 and the card box assembly 12 is effectively ensured, the risk that impurities such as dust and moisture penetrate into the SIM card device 10 from the gap between the card seat 111 and the card box assembly 12 to damage the SIM card 112 is greatly reduced, and the service performance and the service life of the SIM card device 10 in the service environment with large dust, high humidity, high salt fog and the like are greatly ensured. Thus, when the SIM card device 10 is used in the vehicle-mounted monitoring device 20 and is in a use environment with large dust, high humidity, high salt fog and the like, the service performance and the service life of the vehicle-mounted monitoring device 20 are greatly guaranteed.

Based on this, by arranging the SIM card assembly 11 to be detachably connected with the cartridge assembly 12, the SIM card assembly 11 is convenient to detach for operations such as replacement, maintenance and the like of the SIM card 112, and the general performance and the service life of the SIM card device 10 are greatly improved. The SIM card assembly 11 and the card box assembly 12 can be installed by controlling the SIM card assembly 11 to be inserted into the insertion groove 1212 of the card box assembly 12 and inserted in place, and the SIM card assembly 11 and the card box assembly 12 can be detached by controlling the SIM card assembly 11 to be pulled out from the insertion groove 1212 of the card box assembly 12, so that the convenience of inserting and pulling the SIM card assembly 11 and the card box assembly 12 is effectively guaranteed, and the service performance of the SIM card device 10 is effectively improved. It should be noted that, when the SIM card device 10 is used in the in-vehicle monitoring device 20, the card box assembly 12 can be fixedly installed inside the in-vehicle monitoring device 20, and the openings of the sealing groove 1211 and the plugging groove 1212 of the card box assembly 12 are communicated to the outside of the in-vehicle monitoring device 20. Thus, the user can control the SIM card assembly 11 sleeved with the first sealing ring 13 to be inserted into the inserting groove 1212 and inserted in place, and then the SIM card device 10 can be installed; the SIM card assembly 11 that user's accessible control cover was equipped with first sealing washer 13 is extracted from inserting groove 1212, can accomplish the dismantlement of SIM card assembly 11, and then, the user of being convenient for carries out operations such as change, maintenance to SIM card 112, greatly improves on-vehicle supervisory equipment 20's commonality and ease for use.

It can be understood that, when the SIM card assembly 11 is inserted into the insertion slot 1212 and inserted in place, the SIM card 112 installed in the card socket 111 is inserted into the insertion slot 1212, so that the SIM card assembly 11 is supported and protected by the card box assembly 12, thereby effectively ensuring the stability and reliability of the installation of the SIM card assembly 11, effectively ensuring the stability and reliability of the SIM card device 10, greatly reducing the risk of communication failure of the SIM card 112 caused by the ejection of the SIM card assembly 11 when the SIM card device 10 is subjected to continuous vibration or instant impact, and effectively ensuring the usability of the SIM card device 10.

To sum up, in the SIM card device 10 provided in the embodiment of the present application, the first sealing ring 13 is sleeved on the outer periphery of the card seat 111 where the SIM card 112 is installed, and when the SIM card assembly 11 is inserted into the insertion groove 1212 and inserted in place, the first sealing ring 13 is accommodated in the sealing groove 1211 to achieve sealing between the sealing groove 1211 and the card seat 111, so as to effectively ensure sealing between the card seat 111 and the card box assembly 12, greatly reduce the risk that impurities such as dust and moisture penetrate into the SIM card device 10 from the gap between the card seat 111 and the card box assembly 12 to damage the SIM card 112, and greatly ensure the service performance and the service life of the SIM card device 10 in the service environment with large dust, high humidity, high salt fog and the like.

Referring to fig. 1, 2, 4 and 5, in the present embodiment, the cartridge assembly 12 is provided with an accommodating cavity 1213 disposed on a side of the insertion groove 1212 away from the sealing groove 1211 and communicating with the insertion groove 1212, and an adapting hole 12141 for communicating the accommodating cavity 1213 to the outside. The SIM card device 10 further includes a second sealing ring 14 and a switching assembly 15 that is limited and accommodated in the accommodating cavity 1213, the switching assembly 15 is in plug-in fit with the SIM card 112 and is in signal connection with the SIM card 112, the switching assembly 15 is provided with a switching terminal 151 penetrating through the switching hole 12141, the second sealing ring 14 is annularly disposed around the switching terminal 151 and is sealed between the peripheral edge of the switching hole 12141 and the switching assembly 15.

By adopting the scheme, the adapter module 15 is accommodated in the accommodating cavity 1213, so that the support and protection of the adapter module 15 by the cartridge module 12 are realized; the accommodating cavity 1213 is communicated with the plugging slot 1212, so that the plugging and matching of the adaptor assembly 15 and the SIM card 112 are facilitated, and the signal connection between the adaptor assembly 15 and the SIM card 112 is further realized; through the adapting assembly 15, the adapting terminal 151 penetrating through the adapting hole 12141 is arranged, when the SIM card device 10 is used for the vehicle-mounted monitoring device 20, the adapting terminal 151 is favorable for signal connection with a communication module of the vehicle-mounted monitoring device 20, so that signal connection between the SIM card 112 and the communication module is realized, and the use performance of the vehicle-mounted monitoring device 20 is ensured.

The second sealing ring 14 annularly arranged on the peripheral side of the adapter terminal 151 is arranged to seal the periphery of the connecting hole 12141 and the adapter component 15, so that the sealing performance between the periphery of the connecting hole 12141 and the adapter component 15 is effectively ensured, the risk that impurities such as dust and moisture penetrate into the SIM card device 10 from a gap between the periphery of the connecting hole 12141 and the adapter component 15 to damage the SIM card 112 is greatly reduced, the sealing performance of the whole SIM card device 10 is further improved, and the service performance and the service life of the SIM card device 10 in a service environment with large dust, high humidity, high salt fog and the like are further ensured.

Referring to fig. 1, 2 and 4, in the present embodiment, the cartridge assembly 12 includes a cartridge 121 and a cap 122, the cartridge 121 has a sealing slot 1211, a plugging slot 1212, a receiving cavity 1213, an adapting hole 12141, and a mounting opening 1215 opposite to the receiving cavity 1213, the mounting opening 1215 allows the adapting assembly 15 to be mounted to the receiving cavity 1213 along the mounting opening 1215, and the cap 122 can be detachably covered on the mounting opening 1215.

By adopting the above scheme, the card cover 122 detachably covering the installation opening 1215 of the card box 121 is arranged, so that when the adapter module 15 is installed, the adapter module 15 can be installed in the accommodating cavity 1213 from the installation opening 1215, and then the card cover 122 covers the installation opening 1215; when the adapter module 15 is disassembled, the card cover 122 covering the mounting opening 1215 can be disassembled firstly, and then the adapter module 15 is disassembled from the mounting opening 1215, so that the installation and disassembly operations of the adapter module 15 are very convenient, the installation, maintenance, replacement and other operations of the adapter module 15 are convenient, and the service performance and the service life of the SIM card device 10 are effectively improved.

Referring to fig. 2 and 4, in the present embodiment, the SIM card device 10 further includes a third sealing ring 16 surrounding the peripheral edge of the mounting port 1215, and the third sealing ring 16 is sealed between the card cover 122 and the peripheral edge of the mounting port 1215.

By adopting the above scheme, the third sealing ring 16 annularly arranged on the peripheral edge of the mounting port 1215 is arranged to seal the space between the card cover 122 and the peripheral edge of the mounting port 1215, so that the sealing performance between the card cover 122 and the peripheral edge of the mounting port 1215 is effectively guaranteed, the risk that the SIM card 112 is damaged due to the fact that impurities such as dust and moisture penetrate into the SIM card device 10 from the gap between the peripheral edge of the mounting port 1215 and the card cover 122 is greatly reduced, the overall sealing performance of the SIM card device 10 is further improved, and the service performance and the service life of the SIM card device 10 in the service environment with large dust, high humidity, high salt fog and the like are further guaranteed.

Referring to fig. 2 and 4, in the present embodiment, one of the peripheral edge of the mounting opening 1215 and the clamping cover 122 is recessed with a mounting groove 1216 for the third sealing ring 16 to be limitedly mounted therein.

By adopting the above scheme, the third sealing ring 16 is limited and mounted in the mounting groove 1216 concavely arranged on one of the peripheral edge of the mounting port 1215 and the card cover 122, so that the third sealing ring 16 is effectively ensured to be stable at the mounting position, the risk that the third sealing ring 16 moves to deviate from the peripheral edge of the mounting port 1215 when the SIM card device 10 is in a use environment such as vibration is effectively reduced, the sealing reliability of the third sealing ring 16 between the card cover 122 and the peripheral edge of the mounting port 1215 is effectively ensured, the risk that impurities such as dust and moisture penetrate into the SIM card device 10 from the gap between the peripheral edge of the mounting port 1215 and the card cover 122 to damage the SIM card 112 is further reduced, and the service performance and the service life of the SIM card device 10 in the use environment such as large dust, high humidity, high salt fog and the like are further ensured.

Referring to fig. 4 and 5, in the present embodiment, a pressing protrusion 1221 opposite to the mounting groove 1216 for tightly pressing against the third sealing ring 16 is protruded from the other of the peripheral edge of the mounting hole 1215 and the clamping cover 122. Specifically, when the mounting groove 1216 is formed at the peripheral edge of the mounting opening 1215, the pressing protrusion 1221 is formed on the side of the card cover 122 facing the mounting groove 1216; on the contrary, when the card cover 122 is provided with the mounting groove 1216, the pressing protrusion 1221 is disposed at the position corresponding to the mounting groove 1216 on the circumference of the mounting opening 1215.

By adopting the above scheme, the pressing protrusion 1221 is convexly provided on the other one of the peripheral edge of the mounting opening 1215 and the card cover 122 to tightly press the third sealing ring 16 installed in the mounting groove 1216, so as to effectively ensure that the third sealing ring 16 is stably fixed in the mounting groove 1216, effectively reduce the risk that the third sealing ring 16 is separated from the mounting groove 1216 and deviates from the peripheral edge of the mounting opening 1215 when the SIM card device 10 is in a use environment such as vibration, and further improve the contact tightness between the pressing protrusion 1221 and the third sealing ring 16, so as to further ensure the reliability of the third sealing ring 16 in sealing between the card cover 122 and the peripheral edge of the mounting opening 1215, further reduce the risk that impurities such as dust and moisture penetrate into the SIM card device 10 from the gap between the peripheral edge of the mounting opening 1215 and the card cover 122 to damage the SIM card 112, and further ensure the service performance and service life of the SIM card device 10 in a use environment such as large dust, high humidity, high salt fog degree, and the like.

Referring to fig. 2, fig. 4 and fig. 5, in the present embodiment, the cartridge assembly 12 is recessed with a pressing portion 1214, the pressing portion 1214 is provided with an adapting hole 12141, and the pressing portion 1214 is used for tightly pressing the second sealing ring 14.

By adopting the above scheme, the cartridge component 12 is concavely provided with the pressing part 1214 to tightly press the second seal ring 14, so that the contact tightness between the second seal ring 14 and the peripheral edge of the through hole 12141 and the through component 15 is effectively improved, the sealing reliability between the second seal ring 14 and the peripheral edge of the through hole 12141 and the through component 15 is effectively ensured, the risk that impurities such as dust and moisture penetrate into the SIM card device 10 from the gap between the peripheral edge of the through hole 12141 and the through component 15 to damage the SIM card 112 is further reduced, and the service performance and the service life of the SIM card device 10 in the use environment with large dust, high humidity, high salt fog and the like are further ensured.

Referring to fig. 2, 3 and 4, in the present embodiment, an annular sealing protrusion 131 is protruded from an outer periphery of the first sealing ring 13, and the sealing protrusion 131 is configured to tightly abut against a groove wall of the sealing groove 1211.

By adopting the above scheme, the outer periphery of the first sealing ring 13 is convexly provided with the annular sealing bulge to tightly abut against the groove wall of the sealing groove 1211, and the first sealing ring 13 is tightly abutted against the clamping seat 111 under the action of the elastic deformation force of the sealing convex strip 131, so that the contact tightness between the groove wall of the first sealing ring 13 and the sealing groove 1211 and the clamping seat 111 can be effectively improved, the sealing reliability between the first sealing ring 13 and the sealing groove 1211 and the clamping seat 111 can be effectively ensured, the risk that impurities such as dust and moisture penetrate into the SIM card box device 10 from the joint of the clamping seat 111 and the SIM card component 12 to damage the SIM card box 112 can be further reduced, and the service performance and the service life of the SIM card device 10 in the service environment with large dust, high humidity, high salt fog and the like can be further ensured.

Referring to fig. 3 and 4, in the present embodiment, one of the groove wall of the insertion groove 1212 and the card seat 111 is convexly provided with a clamping member 1111, and the other one of the groove wall and the card seat 111 is concavely provided with a clamping groove 12121 which is in clamping fit with the clamping member 1111. Specifically, when the groove wall of the insertion groove 1212 is convexly provided with the clamping piece 1111, the clamping seat 111 is concavely provided with a clamping groove 12121 which is in clamping fit with the clamping piece 1111; otherwise, when the clamping member 1111 is protruded from the clamping base 111, the groove wall of the inserting groove 1212 is concavely provided with a clamping groove 12121 engaged with the clamping member 1111.

By adopting the above scheme, when the card socket 111 is inserted into the insertion slot 1212 and inserted in place, the card fasteners 1111 and the card slots 12121 respectively disposed on the slot walls of the insertion slot 1212 and the card socket 111 are engaged with each other, so as to effectively improve the stability and reliability of the connection between the card socket 111 and the slot walls of the insertion slot 1212, that is, the stability and reliability of the connection between the card socket 111 and the card box assembly 12, and effectively improve the stability and reliability of the installation of the SIM card assembly 11, thereby further reducing the risk of communication failure of the SIM card 112 caused by the ejection of the SIM card assembly 11 from the card box assembly 12 when the SIM card device 10 is subjected to continuous vibration or instantaneous impact, and effectively ensuring the usability of the SIM card device 10.

Referring to fig. 6, the present application further provides a vehicle-mounted monitoring device 20, where the vehicle-mounted monitoring device 20 includes a SIM card device 10, and the specific structure of the SIM card device 10 refers to the foregoing embodiments, and since the vehicle-mounted monitoring device 20 adopts all technical solutions of all the foregoing embodiments, all beneficial effects brought by the technical solutions of the foregoing embodiments are also achieved, and details are not repeated here.

The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed.

Claims

1. A SIM card device, characterized by comprising:

one end of the card box assembly is provided with a sealing groove and an insertion groove positioned at the bottom of the sealing groove, and the SIM card assembly can be detachably inserted into the insertion groove;

the first sealing ring is sleeved on the periphery of the card holder and used for being contained in the sealing groove and sealed between the sealing groove and the card holder when the SIM card component is inserted in the insertion groove.

2. The SIM card device of claim 1, wherein the card enclosure assembly is provided with a receiving cavity disposed on a side of the insertion slot away from the sealing slot and communicating with the insertion slot, and an adapting hole communicating the receiving cavity to the outside;

3. The SIM card device of claim 2, wherein the card box assembly comprises a card box and a card cover, the card box is provided with the sealing groove, the insertion groove, the accommodating cavity, the transfer hole, and a mounting opening opposite to the accommodating cavity, the mounting opening is used for mounting the transfer assembly to the accommodating cavity along the mounting opening, and the card cover is detachably covered on the mounting opening.

4. The SIM card device of claim 3, further comprising a third sealing ring disposed around a peripheral edge of the mounting opening, the third sealing ring being sealed between the card cover and the peripheral edge of the mounting opening.

5. The SIM card device of claim 4, wherein one of the peripheral edge of the mounting opening and the card cover is recessed with a mounting groove for the third sealing ring to be limitedly mounted therein.

6. The SIM card device of claim 5, wherein the other one of the peripheral edge of the mounting opening and the card cover is convexly provided with a pressing projection opposite to the mounting groove and for tightly pressing the third sealing ring.

7. The SIM card device of claim 2, wherein the card case assembly is concavely provided with a pressing portion provided with the transfer hole, the pressing portion being adapted to tightly press the second seal ring.

8. The SIM card device of any one of claims 1 to 7, wherein the first sealing ring has an annular sealing rib protruding from an outer periphery thereof, the sealing rib being adapted to tightly abut against a groove wall of the sealing groove.

9. The SIM card device of any one of claims 1 to 7, wherein one of the slot wall of the insertion slot and the card holder is provided with a convex card member, and the other one of the slot wall of the insertion slot and the card holder is provided with a concave card slot for clamping and matching with the card member.

10. An onboard monitoring apparatus, characterized by comprising the SIM card device of any one of claims 1 to 9.