Network security device of Internet of Things and use method thereof

Abstract

The invention relates to the technical field of network equipment, and discloses a network security device of the Internet of Things and a use method thereof, and the device comprises a first network security device module which is placed on a table top, and a connection structure which comprises a connection part and a limiting part, the connecting part comprises six sets of first limiting grooves formed in the outer wall of one side of the third network security device module, the inner walls of the two sides of the first limiting grooves are each fixedly provided with a set of first fixing plates, first clamping grooves are formed in the first fixing plates, and a hole is formed in the top of the third network security device module; six groups of network connecting pieces are fixedly mounted in the hole, holes are formed in the network connecting pieces, and pin inserting grooves are formed in the holes; the purpose of limiting and fixing the crystal head is achieved, the fixing effect of the crystal head is improved, the shaking condition of the crystal head is reduced, the connection stability of the device is improved, abrasion between parts is reduced, the service life of the device is prolonged, and the durability of the device is improved.

Description

Technical Field

[0001] The present invention belongs to the technical field of network equipment, and in particular, relates to a network security device for the Internet of Things and a method for using the same. Background Art

[0002] The rapid development of Internet of Things (IoT) technology has promoted the advent of the intelligent era, but at the same time, the security issues of IoT devices have become increasingly prominent.

[0003] The invention with announcement number CN116169521A discloses a network security isolation device and a method of using the same, comprising a base, and a gateway is arranged at the left side of the top of the base, a groove is opened at the middle position of the top of the base, and a network security monitoring system is arranged at the right side of the top of the base. When the present invention is in use, a transmission shaft is driven to rotate by a servo motor, and the engagement between the transmission bevel gear and the driven bevel gear can drive the rotating rod to rotate, and drive the disc to rotate eccentrically, so as to push the movable plate to move to the right, and drive the hollow cylinder to move to the right, so as to pull the crystal head out of the main mesh hole of the gateway. In addition, a certain resistance can be applied to the load-bearing plate through the mutual cooperation between the second slider, the second slide groove and the third spring, so as to reduce the speed of the load-bearing plate sliding to the right, thereby reducing the amplitude of the crystal head being pulled out, and avoiding damage to the network cable and the crystal head.

[0004] However, the above patent still has the following problems: when the servo motor drives the transmission mechanism to pull the crystal head out of the main mesh of the gateway, the contact surface between the crystal head and the slot will be worn to a certain extent due to mechanical friction. This wear will not only reduce the service life of the crystal head, but also may affect the tightness of the connection between the crystal head and the slot, and then affect the subsequent data transmission quality and stability. During the startup and continuous operation of the device, a large amount of heat will be generated due to the operation of components such as the motor and transmission mechanism. If the heat cannot be dissipated in time, it will cause the internal temperature of the device to rise, thereby accelerating the aging, deformation and even damage of the parts, which will not only affect the normal operation of the device, but also increase the maintenance cost and use risk.

[0005] In view of this, the present invention is proposed. Summary of the invention

[0006] In order to solve the technical problem of poor fixing effect of the crystal head mentioned above, the basic concept of the technical solution adopted by the present invention is:

[0007] A network security device for the Internet of Things, comprising:

[0008] A first network security device module, the first network security device module is placed on the table, and a second network security device module and a third network security device module are fixedly installed on the top of the first network security device module;

[0009] A connecting structure, the connecting structure includes a connecting part and a limiting part, the connecting part includes six groups of first limiting grooves opened on the outer wall of one side of the third network security device module, a group of first fixing plates are fixedly installed on the inner walls on both sides of the first limiting groove, a first clamping groove is opened inside the first fixing plate, a hole is opened on the top of the third network security device module, six groups of network connectors are fixedly installed in the hole, a hole is opened inside the network connector, and a pin slot is arranged in the hole; the limiting part includes six groups of first telescopic sleeves fixedly installed on the outer wall of one side of the third network security device module, a first telescopic card plate is arranged at the bottom of the first telescopic sleeve, a group of first arc-shaped limiting plates are fixedly installed on the inner top of the first limiting groove, and a crystal head body is arranged outside the third network security device module.

[0010] As a preferred embodiment of the present invention, the connecting part also includes a first crystal head plug fixedly installed on the outer wall of one side of the crystal head body, a pin is fixedly installed on the outer wall of one side of the first crystal head plug, and the pin is snap-fitted into the inside of the pin slot, and a second fixing plate is fixedly installed on the outer wall of the other side of the crystal head body, and two groups of first snap-fit ​​plates are fixedly installed on the outer wall of one side of the second fixing plate, and the first snap-fit ​​plates are snap-fitted into the inside of the first snap-fit ​​slot.

[0011] As a preferred embodiment of the present invention, the limiting portion also includes a second clamping groove opened at the top of the second fixed plate, the first telescopic clamping plate is clamped and installed inside the second clamping groove, a protective rubber sleeve is fixedly installed on one side outer wall of the second fixed plate, a network cable is fixedly installed on one side outer wall of the protective rubber sleeve, two groups of second arc-shaped limiting plates are fixedly installed on the top of the second fixed plate, the first arc-shaped limiting plate is clamped and installed between the two groups of second arc-shaped limiting plates, and a first electric control box is fixedly installed on the top of the third network security device module, and the first electric control box is electrically connected to the first telescopic sleeve.

[0012] As a preferred embodiment of the present invention, a second signal indicator light is fixedly installed on the top of the network connector, a reset button is provided on the top of the second signal indicator light, a data cable is fixedly installed on one side outer wall of the second signal indicator light, one end of the data cable is fixedly installed inside the third network security device module, and six groups of first signal indicator lights are provided on the front side of the third network security device module, and the first signal indicator lights are electrically connected to the second signal indicator lights.

[0013] As a preferred embodiment of the present invention, a status bar is provided on the front side of the third network security device module, three groups of first air ducts are fixedly installed on the outer wall of one side of the second network security device module, one end of the first air duct is fixedly installed inside the first network security device module, and six groups of second signal indicator lights are provided on the top of the third network security device module, and the second signal indicator lights are electrically connected to the second signal indicator lights.

[0014] As a preferred embodiment of the present invention, a limit frame plate is fixedly installed on the inner top of the first network security device module, four groups of heat absorbing tubes are fixedly installed inside the limit frame plate, a group of first heat dissipation tubes are fixedly installed on the outer walls on both sides of the heat absorbing tubes, a signal processor is fixedly installed on the inner top of the first network security device module, and two groups of first heat dissipation bellows and two groups of second heat dissipation bellows are fixedly installed on the inner top of the first network security device module.

[0015] As a preferred embodiment of the present invention, a group of electric fans are rotatably installed inside the first heat dissipation bellows and the second heat dissipation bellows, a group of second heat dissipation pipes are fixedly installed on one side outer wall of the first heat dissipation bellows and the second heat dissipation bellows, a group of second heat dissipation pipes are fixedly installed inside the first heat dissipation bellows, a third heat dissipation bellows is arranged outside the first heat dissipation bellows, and a group of third heat dissipation pipes are fixedly installed between the third heat dissipation bellows and the first heat dissipation bellows and the second heat dissipation bellows.

[0016] As a preferred embodiment of the present invention, a group of holes are opened on the outer walls on both sides of the first network security device module, and a heat dissipation mesh plate is fixedly installed in the holes. The third heat dissipation bellows is connected with the heat dissipation mesh plate. Four groups of third fixing plates are fixedly installed on the bottom of the first network security device module, and a first threaded groove is opened inside the third fixing plate. A sealing cover plate is provided at the bottom of the first network security device module, and a pad is fixedly installed on the top of the sealing cover plate. Four groups of hexagonal bolts are provided inside the sealing cover plate, and the hexagonal bolts are clamped and installed inside the first threaded groove.

[0017] As a preferred embodiment of the present invention, a group of first limiting plates are fixedly installed on the outer walls on both sides of the first network security device module, four groups of thread grooves are opened inside the first limiting plates, and first limiting bolts are spirally installed inside the thread grooves; two groups of second limiting plates are fixedly installed on the outer walls on the other two sides of the first network security device module, and second limiting bolts are spirally installed inside the second limiting plates.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] 1. To achieve the purpose of limiting and fixing the crystal head, improve the fixing effect of the crystal head, reduce the shaking of the crystal head, improve the stability of the device connection, reduce the wear between parts, extend the service life of the device, and improve the durability of the device.

[0020] 2. To achieve the purpose of monitoring and feedback on the connection status of the crystal head, to facilitate observation of the device, to detect the safety status of the device, and to improve the convenience of the device.

[0021] 3. To achieve the purpose of heat dissipation and position fixing of the device, quickly dissipate heat inside the device, reduce the loss of parts due to high temperature, improve the fixing strength of the device, enhance the fixing effect of the device, and optimize the use experience of the device.

[0022] 4. The device effectively prevents the risk of data transmission interruption or leakage caused by loose or unstable connection by strengthening the connection between the crystal head and the network security device module, improves the reliability of data transmission, enhances the network security performance of the entire Internet of Things system, and provides a strong guarantee for the secure transmission of data.

[0023] 5. The design of the network connector and the pin slot optimizes the data transmission path, reduces signal attenuation and interference, and thus improves data transmission efficiency. Through real-time monitoring of the second signal indicator and the first signal indicator, users can intuitively understand the data transmission status, discover and solve potential problems in a timely manner, and ensure the continuity and stability of data transmission.

[0024] The specific implementation modes of the present invention are further described in detail below in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In the attached picture:

[0026] Figure 1 It is a front view of the present invention;

[0027] Figure 2 It is a structural schematic diagram of the present invention;

[0028] Figure 3 A top view of the present invention;

[0029] Figure 4 It is a schematic diagram of the disassembly of the third fixing plate and the sealing cover plate of the present invention;

[0030] Figure 5 It is a schematic diagram of the limit frame structure of the present invention;

[0031] Figure 6 It is a schematic diagram of the third heat dissipation bellows structure of the present invention;

[0032] Figure 7 It is a schematic diagram of the structure of the first fixing plate of the present invention;

[0033] Figure 8 It is a schematic diagram of the structure of the crystal head body of the present invention;

[0034] Fig. 9 It is a schematic diagram of the structure of the crystal head body of the present invention;

[0035] Fig.10 It is a schematic diagram of the structure of the network connector of the present invention.

[0036] In the figure: 10, first network security device module; 11, second network security device module; 12, third network security device module; 13, status bar; 14, first signal indicator light; 15, second signal indicator light; 16, reset button; 17, first limit slot; 18, pin slot; 19, first fixing plate; 20, first clamping slot; 21, first telescopic sleeve; 22, first telescopic clamping plate; 23, first arc limit plate; 24, crystal head body; 25, second arc limit plate; 26, first clamping plate; 27, first crystal head plug; 28, pin; 29, second fixing plate; 30, second clamping slot; 31, protective rubber sleeve; 32, network 1. a first heat dissipation pipe; 2. a first heat dissipation bellows; 3. a second heat dissipation bellows; 4. an electric fan; 50. a second heat dissipation pipe; 51. a third heat dissipation pipe; 52. a third heat dissipation bellows; 53. a heat dissipation mesh; 54. a first limit plate; 55. a first limit bolt; 56. a second limit plate; 57. a second limit bolt. DETAILED DESCRIPTION

[0037] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. The following embodiments are used to illustrate the present invention.

[0038] Embodiment 1: A network security device for the Internet of Things and a method for using the same, specifically Figure 1 , Figure 2 , Figure 7 , Figure 8 and Fig. 9As shown, it includes a first network security device module 10, the first network security device module 10 is placed on a table, and a second network security device module 11 and a third network security device module 12 are fixedly installed on the top of the first network security device module 10; a connecting structure, the connecting structure includes a connecting portion and a limiting portion, the connecting portion includes six groups of first limiting grooves 17 opened on the outer wall of one side of the third network security device module 12, a group of first fixing plates 19 are fixedly installed on the inner walls of both sides of the first limiting grooves 17, and the first fixing plates 19 are opened inside with a first clamping groove 2 0, a hole is provided at the top of the third network security device module 12, six groups of network connectors 33 are fixedly installed in the hole, a hole is provided inside the network connector 33, and a pin slot 18 is provided in the hole; the limiting part includes six groups of first telescopic sleeves 21 fixedly installed on the outer wall of one side of the third network security device module 12, a first telescopic card plate 22 is provided at the bottom of the first telescopic sleeve 21, a group of first arc-shaped limiting plates 23 are fixedly installed on the inner top of the first limiting slot 17, and a crystal head body 24 is provided outside the third network security device module 12. The crystal head and the device are reinforced and connected through the connection structure. Insert the crystal head body 24 into the first limiting slot 17, clamp and install the first clamping plate 26 into the first clamping slot 20, and insert the pin 28 into the pin slot 18.

[0039] Specific as Figure 1 , Figure 7 and Figure 8 As shown, the connection part also includes a first crystal plug 27 fixedly mounted on the outer wall of one side of the crystal plug body 24, a pin 28 is fixedly mounted on the outer wall of one side of the first crystal plug 27, and the pin 28 is clamped and mounted inside the pin slot 18, and a second fixing plate 29 is fixedly mounted on the outer wall of the other side of the crystal plug body 24, and two groups of first clamping plates 26 are fixedly mounted on the outer wall of one side of the second fixing plate 29, and the first clamping plates 26 are clamped and mounted inside the first clamping slot 20. The first clamping plate 26 is clamped and mounted inside the first clamping slot 20.

[0040] Specific as Figure 1 , Figure 3 , Figure 7 and Figure 8As shown, the limiting part also includes a second clamping groove 30 opened on the top of the second fixed plate 29, the first telescopic clamping plate 22 is clamped and installed inside the second clamping groove 30, a protective rubber sleeve 31 is fixedly installed on one side outer wall of the second fixed plate 29, and a network cable 32 is fixedly installed on one side outer wall of the protective rubber sleeve 31, two groups of second arc-shaped limiting plates 25 are fixedly installed on the top of the second fixed plate 29, and the first arc-shaped limiting plate 23 is clamped and installed between the two groups of second arc-shaped limiting plates 25, and a first electric control box 36 is fixedly installed on the top of the third network security device module 12, and the first electric control box 36 is electrically connected to the first telescopic sleeve 21. Start the first electric control box 36 to drive the first telescopic clamping plate 22 to move inside the first telescopic sleeve 21, clamp the first telescopic clamping plate 22 to the inside of the second clamping groove 30, and push the first arc-shaped limiting plate 23 to between the two groups of second arc-shaped limiting plates 25.

[0041] According to the above, through the structures of the first network security device module 10, the second network security device module 11, the third network security device module 12, the first limiting groove 17, the pin groove 18, the first fixing plate 19, the first clamping groove 20, the first telescopic sleeve 21, the first telescopic clamping plate 22, the first arc-shaped limiting plate 23, the crystal head body 24, the second arc-shaped limiting plate 25, the first clamping plate 26, the first crystal head plug 27, the pin 28, the second fixing plate 29, the second clamping groove 30, the protective rubber sleeve 31, the network cable 32 and the first electric control box 36, the purpose of limiting and fixing the crystal head is achieved, the fixing effect of the crystal head is improved, the shaking of the crystal head is reduced, the stability of the device connection is improved, the wear between parts is reduced, the service life of the device is extended, and the durability of the device is improved.

[0042] Embodiment 2: Based on Embodiment 1, the specific Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, a second signal indicator light 15 is fixedly installed on the top of the network connector 33, a reset button 16 is arranged on the top of the second signal indicator light 15, a data line 34 is fixedly installed on one side of the outer wall of the second signal indicator light 15, one end of the data line 34 is fixedly installed inside the third network security device module 12, and six groups of first signal indicator lights 14 are arranged on the front side of the third network security device module 12, and the first signal indicator lights 14 are electrically connected to the second signal indicator lights 15. Press the reset button 16 to test the second signal indicator light 15, and transmit data to the crystal head through the network connector 33.

[0043] Specific as Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, a status bar 13 is provided on the front side of the third network security device module 12, three groups of first air ducts 37 are fixedly installed on one side outer wall of the second network security device module 11, one end of the first air duct 37 is fixedly installed inside the first network security device module 10, and six groups of second signal indicator lights 35 are provided on the top of the third network security device module 12, and the second signal indicator lights 35 are electrically connected to the second signal indicator lights 15. The first network security device module 10 and the second network security device module 11 are connected through the first air duct 37, and the connection effect of the crystal head body 24 and the pin slot 18 is fed back through the second signal indicator lights 35 and the first signal indicator lights 14.

[0044] According to the above conclusions, through the structures of the first network security device module 10, the second network security device module 11, the third network security device module 12, the status bar 13, the first signal indicator light 14, the second signal indicator light 15, the reset button 16, the network connector 33, the data cable 34, the second signal indicator light 35 and the first air duct 37, the purpose of monitoring and feedback on the connection status of the crystal head is achieved, which is convenient for observing the device, detecting the safety status of the device, and improving the convenience of the device.

[0045] Embodiment 3: Based on Embodiment 1 and Embodiment 2, the specific Figure 1 , Figure 4 , Figure 5 and Figure 6 As shown, a limit frame plate 44 is fixedly installed on the inner top of the first network security device module 10, four groups of heat absorbing pipes 45 are fixedly installed inside the limit frame plate 44, and a group of first heat dissipation pipes 46 are fixedly installed on the outer walls of both sides of the heat absorbing pipes 45, a signal processor 43 is fixedly installed on the inner top of the first network security device module 10, and two groups of first heat dissipation bellows 47 and two groups of second heat dissipation bellows 48 are fixedly installed on the inner top of the first network security device module 10. The electric fan 49 is started to drive the electric fan 49 to rotate inside the first heat dissipation bellows 47 and the second heat dissipation bellows 48.

[0046] Specific as Figure 1 , Figure 4 , Figure 5 and Figure 6As shown, a group of electric fans 49 are rotatably installed inside the first heat dissipation wind box 47 and the second heat dissipation wind box 48, a group of second heat dissipation pipes 50 are fixedly installed on one side outer wall of the first heat dissipation wind box 47 and the second heat dissipation wind box 48, a group of second heat dissipation pipes 50 are fixedly installed inside the first heat dissipation wind box 47, a third heat dissipation wind box 52 is arranged outside the first heat dissipation wind box 47, and a group of third heat dissipation pipes 51 are fixedly installed between the third heat dissipation wind box 52 and the first heat dissipation wind box 47 and the second heat dissipation wind box 48. Heat is output through the first heat dissipation pipe 46, the second heat dissipation pipe 50, the third heat dissipation pipe 51, the third heat dissipation wind box 52 and the heat dissipation mesh plate 53.

[0047] Specific as Figure 1 , Figure 4 and Fig.10 As shown, a group of holes are provided on both sides of the outer wall of the first network security device module 10, and a heat dissipation mesh plate 53 is fixedly installed in the hole, and the third heat dissipation bellows 52 is connected with the heat dissipation mesh plate 53. Four groups of third fixing plates 41 are fixedly installed at the bottom of the first network security device module 10, and the third fixing plates 41 are provided with first thread grooves 42 inside. A sealing cover plate 38 is provided at the bottom of the first network security device module 10, and a pad 39 is fixedly installed on the top of the sealing cover plate 38. Four groups of hexagonal bolts 40 are provided inside the sealing cover plate 38, and the hexagonal bolts 40 are clamped and installed inside the first thread grooves 42. The hexagonal bolts 40 are rotated, and the hexagonal bolts 40 are screwed and installed inside the sealing cover plate 38 and the first thread groove 42, and the sealing cover plate 38 is fixedly installed at the bottom of the first network security device module 10.

[0048] Specific as Figure 1 , Figure 2 and Figure 4 As shown, a set of first limiting plates 54 are fixedly installed on both sides of the outer wall of the first network security device module 10, four sets of thread grooves are opened inside the first limiting plates 54, and first limiting bolts 55 are screwedly installed inside the thread grooves. Two sets of second limiting plates 56 are fixedly installed on the other two sides of the outer wall of the first network security device module 10, and second limiting bolts 57 are screwedly installed inside the second limiting plates 56. The first limiting bolts 55 and the second limiting bolts 57 are rotated to limit and fix the first network security device module 10 on the table through the second limiting plates 56 and the first limiting plates 54.

[0049] To sum up, through the structure of the limiting frame plate 44, the heat absorption tube 45, the first heat dissipation tube 46, the first heat dissipation bellows 47, the second heat dissipation bellows 48, the electric fan 49, the second heat dissipation tube 50, the third heat dissipation tube 51, the third heat dissipation bellows 52, the heat dissipation mesh plate 53, the first limiting plate 54, the first limiting bolt 55, the second limiting plate 56 and the second limiting bolt 57, the purpose of heat dissipation and limiting fixation of the device is achieved, the internal heat of the device is quickly dissipated, the loss of parts caused by high temperature is reduced, the fixing strength of the device is improved, the fixing effect of the device is enhanced, and the use experience of the device is optimized.

[0050] Working principle: The device mainly includes a first network security device module 10, a second network security device module 11 and a third network security device module 12, which are firmly placed on the table. The third network security device module 12 is provided with a connecting structure for firmly connecting with the crystal head body 24. The crystal head body 24 is inserted into the first limiting groove 17 on the third network security device module 12, and the pin 28 on the crystal head body 24 is inserted into the pin groove 18. At the same time, the first card plate 26 is inserted into the first card groove 20 to achieve preliminary fixation. The first electric control box 36 is started to drive the first telescopic card plate 22 to move in the first telescopic sleeve 21 and be inserted into the second card groove 30. At the same time, the first arc-shaped limiting plate 23 is pushed between the two groups of second arc-shaped limiting plates 25 to complete the reinforced connection of the crystal head. Data is transmitted through the pin groove 18 in the network connector 33 and the pin 28 of the crystal head body 24. The second signal indicator light 15 and the first signal indicator light 14 are used to display the connection between the crystal head and the pin groove. The first network security device module 10 is provided with a heat absorbing pipe 45, a first heat dissipating pipe 46, a first heat dissipating bellows 47, and a second heat dissipating bellows 48 and other heat dissipation components. The electric fan 49 is started and rotated in the first heat dissipating bellows 47 and the second heat dissipating bellows 48 to output heat through the first heat dissipating pipe 46, the second heat dissipating pipe 50, the third heat dissipating pipe 51, the third heat dissipating bellows 52 and the heat dissipating mesh plate 53. The heat dissipating mesh plate 53 is connected with the third heat dissipating bellows 52 to ensure effective heat dissipation. The sealing cover plate 38 is fixedly installed on the bottom of the first network security device module 10 by rotating the hexagonal bolt 40 to ensure the airtightness and stability of the device. The first network security device module 10 is limited and fixed on the table by rotating the first limiting bolt 55 and the second limiting bolt 57, and the second limiting plate 56 and the first limiting plate 54 are used to ensure the stability of the device during use.

[0051] It is to be understood that the present invention is described by some embodiments, and it is known to those skilled in the art that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.

Claims

1. A network security device for the Internet of Things, characterized in that: include: A first network security device module (10), the first network security device module (10) being placed on a table, and a second network security device module (11) and a third network security device module (12) being fixedly mounted on the top of the first network security device module (10); A connection structure, the connection structure comprises a connection part and a limiting part, the connection part comprises six groups of first limiting grooves (17) provided on the outer wall of one side of the third network security device module (12), a group of first fixing plates (19) are fixedly installed on the inner walls on both sides of the first limiting grooves (17), a first clamping groove (20) is provided inside the first fixing plates (19), a hole is provided on the top of the third network security device module (12), six groups of network connectors (33) are fixedly installed in the hole, a hole is provided inside the network connector (33), a pin slot (18) is provided in the hole; the limiting part comprises six groups of first telescopic sleeves (21) fixedly installed on the outer wall of one side of the third network security device module (12), a first telescopic clamping plate (22) is provided at the bottom of the first telescopic sleeves (21), a group of first arc-shaped limiting plates (23) are fixedly installed on the inner top of the first limiting grooves (17), and a crystal head body (24) is provided outside the third network security device module (12).

2. The network security device of the Internet of Things according to claim 1, characterized in that: The connecting portion further comprises a first crystal head plug (27) fixedly mounted on an outer wall of one side of the crystal head body (24); a plug pin (28) is fixedly mounted on an outer wall of one side of the first crystal head plug (27); the plug pin (28) is snap-fitted into the interior of the plug pin slot (18); a second fixing plate (29) is fixedly mounted on an outer wall of the other side of the crystal head body (24); two groups of first snap-fit ​​plates (26) are fixedly mounted on an outer wall of one side of the second fixing plate (29); the first snap-fit ​​plates (26) are snap-fitted into the interior of the first snap-fit ​​slot (20).

3. The network security device of the Internet of Things according to claim 1, characterized in that: The limiting portion further comprises a second clamping groove (30) provided at the top of the second fixing plate (29); the first telescopic clamping plate (22) is clamped and installed inside the second clamping groove (30); a protective rubber sleeve (31) is fixedly installed on one side outer wall of the second fixing plate (29); a network cable (32) is fixedly installed on one side outer wall of the protective rubber sleeve (31); two groups of second arc-shaped limiting plates (25) are fixedly installed on the top of the second fixing plate (29); the first arc-shaped limiting plate (23) is clamped and installed between the two groups of second arc-shaped limiting plates (25); a first electric control box (36) is fixedly installed on the top of the third network security device module (12); and the first electric control box (36) is electrically connected to the first telescopic sleeve (21).

4. The network security device of the Internet of Things according to claim 1, characterized in that: A second signal indicator light (15) is fixedly mounted on the top of the network connection piece (33); a reset button (16) is arranged on the top of the second signal indicator light (15); a data line (34) is fixedly mounted on an outer wall of one side of the second signal indicator light (15); one end of the data line (34) is fixedly mounted inside the third network security device module (12); six groups of first signal indicator lights (14) are arranged on the front side of the third network security device module (12); and the first signal indicator lights (14) are electrically connected to the second signal indicator lights (15).

5. The network security device of the Internet of Things according to claim 1, characterized in that: A status bar (13) is arranged on the front side of the third network security device module (12); three groups of first air ducts (37) are fixedly mounted on one side outer wall of the second network security device module (11); one end of the first air duct (37) is fixedly mounted inside the first network security device module (10); and six groups of second signal indicator lights (35) are arranged on the top of the third network security device module (12); the second signal indicator lights (35) are electrically connected to the second signal indicator lights (15).

6. The network security device of the Internet of Things according to claim 1, characterized in that: A limit frame plate (44) is fixedly mounted on the inner top of the first network security device module (10); four groups of heat absorbing tubes (45) are fixedly mounted inside the limit frame plate (44); a group of first heat dissipation tubes (46) are fixedly mounted on both side outer walls of the heat absorbing tubes (45); a signal processor (43) is fixedly mounted on the inner top of the first network security device module (10); and two groups of first heat dissipation bellows (47) and two groups of second heat dissipation bellows (48) are fixedly mounted on the inner top of the first network security device module (10).

7. The network security device of the Internet of Things according to claim 6, characterized in that: A group of electric fans (49) are rotatably mounted inside the first heat dissipation wind box (47) and the second heat dissipation wind box (48); a group of second heat dissipation pipes (50) are fixedly mounted on one side outer wall of the first heat dissipation wind box (47) and the second heat dissipation wind box (48); the group of second heat dissipation pipes (50) are fixedly mounted inside the first heat dissipation wind box (47); a third heat dissipation wind box (52) is arranged outside the first heat dissipation wind box (47); and a group of third heat dissipation pipes (51) are fixedly mounted between the third heat dissipation wind box (52) and the first heat dissipation wind box (47) and the second heat dissipation wind box (48).

8. The network security device of the Internet of Things according to claim 1, characterized in that: A group of holes are provided on both side outer walls of the first network security device module (10), a heat dissipation mesh plate (53) is fixedly installed in the holes, the third heat dissipation bellows (52) is connected to the heat dissipation mesh plate (53), four groups of third fixing plates (41) are fixedly installed at the bottom of the first network security device module (10), a first thread groove (42) is provided inside the third fixing plate (41), a sealing cover plate (38) is provided at the bottom of the first network security device module (10), a pad (39) is fixedly installed on the top of the sealing cover plate (38), four groups of hexagonal bolts (40) are provided inside the sealing cover plate (38), and the hexagonal bolts (40) are clamped and installed inside the first thread groove (42).

9. The network security device of the Internet of Things according to claim 1, characterized in that: A set of first limiting plates (54) are fixedly mounted on both side outer walls of the first network security device module (10), four sets of threaded grooves are provided inside the first limiting plates (54), first limiting bolts (55) are screwedly mounted inside the threaded grooves, and two sets of second limiting plates (56) are fixedly mounted on the other two side outer walls of the first network security device module (10), second limiting bolts (57) are screwedly mounted inside the second limiting plates (56).

10. A method for using a network security device of the Internet of Things, the specific steps are as follows: The first step is to rotate the first limiting bolt (55) and the second limiting bolt (57), and to limit and fix the first network security device module (10) on the table through the second limiting plate (56) and the first limiting plate (54), push the crystal head body (24), insert the crystal head body (24) into the first limiting groove (17), clamp and install the first clamping plate (26) into the first clamping groove (20), and insert the plug pin (28) into the plug pin groove (18); The second step is to push the first arc-shaped limit plate (23) between the two sets of second arc-shaped limit plates (25), start the first electric control box (36), drive the first telescopic card plate (22) to move inside the first telescopic sleeve (21), and clamp the first telescopic card plate (22) to the inside of the second clamping groove (30), test the second signal indicator light (15) by pressing the reset button (16), and start the second signal indicator light (35) and the first signal indicator light (14) to provide feedback on the connection status of the crystal head body (24); In a third step, the first network security device module (10) controls the electric fan (49) to start, absorbs the heat inside the first network security device module (10) and the second network security device module (11) through the first air duct (37) and the heat absorption pipe (45), and outputs the heat through the first heat dissipation pipe (46), the second heat dissipation pipe (50), the third heat dissipation pipe (51), the third heat dissipation bellows (52) and the heat dissipation mesh plate (53); The fourth step is to place the sealing cover plate (38) at the bottom of the first network security device module (10), rotate the hexagonal bolt (40), screw the hexagonal bolt (40) into the sealing cover plate (38) and the inside of the first threaded groove (42), and fix the sealing cover plate (38) to the bottom of the first network security device module (10). When the device is invaded by the network, the first network security device module (10) displays the network installation status through the status bar (13), and automatically starts the signal processor (43), starts the first electric control box (36) and the second signal indicator light (35), cancels the limiting structure of the crystal head body (24), and disconnects the network connection between the crystal head body (24) and the network connector (33), so as to achieve the purpose of network protection.

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