Network security isolation device

By coordinating the pressure-driven components, the snap-on components, and the plug-out components, and combining them with the PLC control system and drive components, the problem of unstable RJ45 connector connections in network security isolation devices is solved, enabling rapid disconnection and restoration of network connections, protecting network security and extending equipment lifespan.

CN121077818APending Publication Date: 2025-12-05WUHAN INST OF TECH
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Patent Information

Application Number
CN202511611160.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-11-05
Publication Date
2025-12-05

AI Technical Summary

Technical Problem

Existing network security isolation devices suffer from poor contact and loosening issues in the connection design between the gateway and the RJ45 connector, affecting the stability and security of data transmission.

Method used

By employing the coordinated action of a pressure-driven component, a snap-on component, and a plug-out component, and utilizing hydraulic oil to transmit pressure, combined with a PLC control system and drive components, the connection of the crystal head is automatically disconnected and sealed to prevent dust from entering.

Benefits of technology

It enables fast and accurate network disconnection and recovery, protects internal network security, extends equipment lifespan, enhances resistance to physical damage, and simplifies operating procedures.

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Abstract

The invention belongs to the technical field of network equipment, and particularly relates to a network security isolation device which comprises a base, a gateway is fixedly installed at the top end of the base, a groove is formed in the base, a cavity is formed in the base, a crystal head is connected into a main mesh of the gateway in a pluggable mode, the crystal head is connected with a connecting network cable, and the network cable is connected with the gateway. The gateway is characterized in that the lower end of a main mesh of the gateway is fixedly connected with a supporting plate, a disconnecting mechanism is arranged on the base, and a protection mechanism is arranged on the base; when the network security monitoring system monitors the internal network of an attacking unit, the telescopic electric cylinder can be automatically controlled to move through the control system, so that a series of actions are triggered to pull out the crystal head from the main mesh of the gateway, network connection is quickly cut off, the attack is effectively prevented from going deep, and the security of the internal network is protected.
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Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of network equipment, and particularly relates to a network security isolation device. BACKGROUND

[0002] Information security refers to that hardware, software and data in a system are protected from being damaged, changed or leaked due to accidental or malicious reasons, and the system is ensured to be continuously, reliably and normally operated, and information service is ensured not to be interrupted. At present, in the tide of digitization, information security has become a key element related to personal privacy, enterprise interests and even national security.

[0003] In a network security protection system, a network security isolation device plays a vital role, which can effectively block illegal access between different network areas and prevent attack diffusion. However, the existing network security isolation device has certain defects in the connection design of the gateway and the crystal head. At present, a non-loose prevention crystal head is generally used, which is forcibly fixed in the gateway jack through external force. In terms of performance, the connection mode is prone to poor contact due to external collision or long-term use, which affects the stability of data transmission. In terms of security, the connection mode lacks effective loose prevention mechanism, and the crystal head is easy to loosen and fall off, which causes network connection interruption and provides an opportunity for network attackers. SUMMARY

[0004] In order to solve the above problems, the application provides a network security isolation device.

[0005] The technical scheme adopted by the application is as follows: the application provides a network security isolation device, which comprises a main body, a base, a gateway fixedly installed at the top end of the base, a groove formed in the base, a cavity arranged in the base, a crystal head pluggably connected in the main network hole of the gateway, and a network cable connected with the crystal head, characterized in that: the lower end of the main network hole of the gateway is fixedly connected with a support plate, a disconnecting mechanism is arranged on the base, and a protection mechanism is arranged on the base.

[0006] Further, the disconnecting mechanism comprises a pressure pushing assembly, a buckle pressing assembly and a plug pulling-out assembly, the pressure pushing assembly is arranged on the disconnecting mechanism, the buckle pressing assembly is arranged on the disconnecting mechanism, and the plug pulling-out assembly is arranged on the disconnecting mechanism.

[0007] Further, the pressure pushing assembly comprises a telescopic electric cylinder fixedly installed at the inner bottom end of the groove, one end of an output end of the telescopic electric cylinder is fixedly connected with one end of a top rod, the other end of the top rod is fixedly connected with a side wall of a first sliding block, one side of the first sliding block is fixedly connected with a first piston, a first oil cavity is fixedly installed at one side of the inner bottom end of the groove, the first piston and the first sliding block are slidably arranged in the first oil cavity, the first piston and the first oil cavity are filled with hydraulic oil, and one end of a side wall of the first oil cavity is throughly connected with one end of an oil pipe.

[0008] Further, the buckle pressing assembly comprises a second oil cavity, the second oil cavity is fixedly installed at the upper end of the right side wall of the gateway, the other end of the oil pipe is throughly connected with the top end of the second oil cavity, a second piston is slidably arranged on the inner side wall of the second oil cavity, the lower end of the second piston is fixedly connected with a second sliding block, the lower end of the second sliding block is fixedly connected with a pressing column, the pressing column is slidably sleeved on the bottom wall of the second oil cavity, the inner bottom end of the second oil cavity is fixedly connected with one end of a first spring, the other end of the first spring is fixedly connected with the lower end of the second sliding block, the oil pipe is filled with hydraulic oil, and the second piston and the second oil cavity are filled with hydraulic oil.

[0009] Further, the plug pulling-out assembly comprises a third oil cavity, one end of the third oil cavity is throughly connected with the upper end of the side wall of the second oil cavity, a third piston is slidably arranged on the inner side wall of the third oil cavity, the right side of the third piston is fixedly connected with a third sliding block, one end of a push rod is fixedly connected with the right side of the third sliding block, the lower end of the push rod is fixedly connected with one end of a supporting rod, the other end of the supporting rod is connected with the right side wall of the crystal head, one end of a second spring is fixedly connected with the right side of the inner wall of the third oil cavity, the other end of the second spring is fixedly connected with the right side of the third sliding block, and the third piston and the third oil cavity are filled with hydraulic oil.

[0010] Further, the protection mechanism comprises a cover assembly and a driving assembly, the cover assembly is arranged on the protection mechanism, and the driving assembly is arranged on the protection mechanism.

[0011] Further, the driving assembly comprises a sliding rail fixedly installed at the inner top end of the cavity, a limiting block is slidably installed on the cavity, a gear plate is fixedly connected with the side wall of the fourth sliding block, the lower end of the right side wall of the sliding rail is fixedly connected with the limiting block, a motor is fixedly installed at the inner top end of the cavity, the motor is arranged on the right side of the sliding rail, a gear wheel is installed at the output end of the motor, the gear wheel and the gear plate are rotatably connected in meshing, and the top end of the gear plate is fixedly connected with a connecting piece.

[0012] Further, the cover assembly comprises a limiting plate fixedly installed on the right side wall of the gateway, the limiting plate is arranged above the main mesh hole of the gateway, a slot is formed in the bottom end of the limiting plate, the top end of the connecting piece is fixedly connected with the cover, and the support plate and the base are fixedly connected through the shell.

[0013] Further, the telescopic electric cylinder is connected with the control system through a wire.

[0014] Further, the control system adopts a PLC control system.

[0015] The beneficial effects achieved by the above structure are as follows: (1) When the network security monitoring system monitors the internal network of the attack unit, the telescopic electric cylinder can be automatically controlled to move through the control system, thereby triggering a series of actions to pull out the crystal head from the main mesh hole of the gateway, quickly cut off the network connection, effectively prevent the attack from further deepening, and protect the internal network security.

[0016] (2) Through the cooperation of the pressure pushing assembly, the buckle pressing assembly and the plug pulling-out assembly, the pressure is transmitted by hydraulic oil, which can accurately press the crystal head latch to open the lock and then pull out the crystal head, ensuring accurate operation and avoiding damage to the equipment or failure to disconnect normally due to improper operation.

[0017] (3) The driving assembly in the protection mechanism can drive the cover assembly to move, after disconnecting the network connection, the cover can be inserted into the slot to close the main mesh hole of the gateway, preventing dust and impurities from entering, reducing the impact of dust on the equipment, and enhancing the ability to resist physical damage and prolong the service life of the equipment.

[0018] (4) When the crisis is over, the motor rotates in the opposite direction and the output end of the telescopic electric cylinder moves, cooperating with the elastic force of the spring, to automatically retract the cover into the chamber and reinsert the crystal head into the main mesh hole of the gateway, restoring the network connection and being convenient and fast without complex manual reset operation. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the present application, the following will briefly introduce the drawings needed to be used in the description, and obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0020] Figure 1 is a front view of the network security isolation device of the present application; Figure 2 is a state of the network security isolation device of the present application Figure 1 ; Figure 3 A network security isolation device state Figure 2 Figure 4 A Figure 2 partial enlarged view of part A in the middle; Figure 5 A Figure 2 partial enlarged view of part B in the middle; Figure 6 A Figure 3 partial enlarged view of part C in the middle; Figure 7 A Figure 3 partial enlarged view of part D in the middle.

[0021] Wherein, 1, gateway, 2, base, 3, groove, 4, crystal head, 5, support plate, 6, connecting network cable, 7, control system, 8, disconnecting mechanism, 9, protection mechanism, 10, pressure pushing assembly, 11, buckle pressing assembly, 12, plug pulling assembly, 13, telescopic electric cylinder, 14, top rod, 15, first oil cavity, 16, first piston, 17, first sliding block, 18, oil pipe, 19, second oil cavity, 20, pressing column, 21, first spring, 22, second piston, 23, second sliding block, 24, third oil cavity, 25, third piston, 26, third sliding block, 27, second spring, 28, push rod, 29, support rod, 30, cover assembly, 31, driving assembly, 32, cover, 33, limiting plate, 34, insertion slot, 35, shell, 36, motor, 37, gear, 38, toothed plate, 39, connecting piece, 40, sliding rail, 41, fourth sliding block, 42, limiting block, 43, chamber. DETAILED DESCRIPTION

[0022] In order to make the purpose, features and advantages of the present application more obvious and easy to understand, the technical solutions in the present application will be described clearly and completely below in combination with the drawings in the specific embodiments. Obviously, the embodiments described below are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present patent, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present patent.

[0023] As Figures 1-7 shown, the present application proposes a network security isolation device, which comprises a base 2, the top end of the base 2 is fixedly installed with a gateway 1, a groove 3 is formed in the base 2, the base 2 is provided with a chamber 43, a crystal head 4 can be plugged in and pulled out in the main network hole of the gateway 1, the crystal head 4 is connected with a connecting network cable 6, the lower end of the main network hole of the 1 is fixedly connected with a support plate 5, a disconnecting mechanism 8 is arranged on the base 2, and a protection mechanism 9 is arranged on the base 2.

[0024] ​The disconnecting mechanism 8 comprises a pressure pushing assembly 10, a buckle pressing assembly 11 and a plug pulling-out assembly 12, the pressure pushing assembly 10 is arranged on the disconnecting mechanism 8, the buckle pressing assembly 11 is arranged on the disconnecting mechanism 8, and the plug pulling-out assembly 12 is arranged on the disconnecting mechanism 8.

[0025] The pressure pushing assembly 10 comprises a telescopic cylinder 13, a top rod 14, a first oil cavity 15, a first piston 16, a first sliding block 17 and an oil pipe 18, the telescopic cylinder 13 is fixedly installed at the inner bottom end of the groove 3, the output end of the telescopic cylinder 13 is fixedly connected with one end of the top rod 14, the other end of the top rod 14 is fixedly connected with the side wall of the first sliding block 17, one side of the first sliding block 17 is fixedly connected with the first piston 16, the first oil cavity 15 is fixedly installed at the side of the inner bottom end of the groove 3, the first piston 16 and the first sliding block 17 are slidably arranged in the first oil cavity 15, the area surrounded by the first piston 16 and the first oil cavity 15 is provided with hydraulic oil, and one end of the side wall of the first oil cavity 15 is throughly connected with one end of the oil pipe 18.

[0026] The buckle pressing assembly 11 comprises a second oil cavity 19, a pressing column 20, a first spring 21, a second piston 22 and a second sliding block 23, the second oil cavity 19 is fixedly installed on the right side wall of 1 and at the upper end, the other end of the oil pipe 18 is throughly connected with the top end of the second oil cavity 19, the second piston 22 is slidably arranged on the inner side wall of the second oil cavity 19, the lower end of the second piston 22 is fixedly connected with the second sliding block 23, the lower end of the second sliding block 23 is fixedly connected with the pressing column 20, the pressing column 20 is slidably sleeved on the bottom wall of the second oil cavity 19, one end of the first spring 21 is fixedly connected with the inner bottom end of the second oil cavity 19, the other end of the first spring 21 is fixedly connected with the lower end of the second sliding block 23, the oil pipe 18 is provided with hydraulic oil, and the area surrounded by the second piston 22 and the second oil cavity 19 is provided with hydraulic oil.

[0027] The plug pulling-out assembly 12 comprises a third oil cavity 24, a third piston 25, a third sliding block 26, a second spring 27, a push rod 28 and a supporting rod 29, one end of the third oil cavity 24 is throughly connected with the side wall upper end of the second oil cavity 19, the inner side wall of the third piston 25 is slidably provided with the third piston 25, the right side of the third piston 25 is fixedly connected with the third sliding block 26, the right side of the third sliding block 26 is fixedly connected with one end of the push rod 28, the lower end of the push rod 28 is fixedly connected with one end of the supporting rod 29, the other end of the supporting rod 29 is connected with the right side wall of the crystal head 4, one end of the second spring 27 is fixedly connected with the inner wall right side of the third oil cavity 24, the other end of the second spring 27 is fixedly connected with the right side of the third sliding block 26, the area surrounded by the third piston 25 and the third oil cavity 24 is provided with hydraulic oil.

[0028] The protection mechanism 9 comprises a cover 32 assembly and a driving assembly 31, the cover 32 assembly is arranged on the protection mechanism 9, and the driving assembly 31 is arranged on the protection mechanism 9.

[0029] The driving assembly 31 comprises a motor 36, a gear 37, a toothed plate 38, a connecting piece 39, a sliding rail 40, a fourth sliding block 41 and a limiting block 42. The sliding rail 40 is fixedly installed at the inner top end of a cavity 43. The limiting block 42 is slidingly installed on the cavity 43. The side wall of the fourth sliding block 41 is fixedly connected with the toothed plate 38. The lower end of the right side wall of the sliding rail 40 is fixedly connected with the limiting block 42. The motor 36 is fixedly installed at the inner top end of the cavity 43. The motor 36 is arranged on the right side of the sliding rail 40. The output end of the motor 36 is installed with the gear 37. The gear 37 and the toothed plate 38 are meshingly and rotatably connected. The top end of the toothed plate 38 is fixedly connected with the connecting piece 39.

[0030] The cover 32 assembly comprises the cover 32, a limiting plate 33, a slot 34 and a shell 35. The limiting plate 33 is fixedly installed on the right side wall of the gateway 1. The limiting plate 33 is arranged above the main mesh hole of the gateway 1. The bottom end of the limiting plate 33 is provided with the slot 34. The top end of the connecting piece 39 is fixedly connected with the cover 32. The support plate 5 and the base 2 are fixedly connected through the shell 35.

[0031] The telescopic electric cylinder 13 is wiredly connected with the control system 7. The motor 36 is wiredly connected with the control system 7.

[0032] The control system 7 adopts a PLC control system. Specifically, the PLC control system is an S7-200 PLC.

[0033] In specific use, the control system 7 is connected with an existing network security monitoring system, when the network security monitoring system monitors the internal network of an attack unit, sends a signal to the control system 7, the control system 7 controls the output end of the telescopic cylinder 13 to move, thereby pushing the first piston 16 and the first sliding block 17 to move, the hydraulic oil in the first oil cavity 15 is extruded into the second oil cavity 19 and the third oil cavity 24 through the oil pipe 18, at this time, the crystal head 4 is fixed in the main network hole of the gateway 1 through the clamping tongue, the third piston 25 and the third sliding block 26 are not moved, the hydraulic oil entering the second oil cavity 19 extrudes the second piston 22 and the second sliding block 23, thereby driving the downward pressing column 20 to move downward, the clamping tongue of the crystal head 4 is pressed by the bottom end of the downward pressing column 20, thereby opening the lock catch, the hydraulic oil entering the third oil cavity 24 pushes the third piston 25 and the third sliding block 26, thereby driving the push rod 28 to move rightward, the push rod 28 moving rightward drives the supporting rod 29 to move rightward, the crystal head 4 is pulled out from the main network hole of the gateway 1, then the motor 36 is started, the output end of the motor 36 rotates to drive the gear 37 to rotate, the gear 37 rotating drives the toothed plate 38 to move upward, the toothed plate 38 moving upward drives the connecting piece 39 to move upward, the connecting piece 39 moving upward drives the cover 32 to move upward, until the top end of the cover 32 is inserted into the insertion slot 34, preventing dust and impurities from entering the main network hole of the gateway 1 and resisting physical damage; when the crisis is removed, the crystal head 4 needs to be reinserted, the motor 36 is reversely rotated to put the cover 32 into the cavity 43, the output end of the telescopic cylinder 13 moves rightward, the elastic force of the first spring 21 is greater than that of the second spring 27, the first spring 21 is reset through the elastic force, the second piston 22 and the second sliding block 23 move upward to drive the downward pressing column 20 to move upward, then the second spring 27 is reset through the elastic force, thereby driving the push rod 28 and the supporting rod 29 to move leftward, thereby inserting the crystal head 4 into the main network hole of the gateway 1, the above is the working process of the whole, the next time of use can repeat the steps.

[0034] As can be seen from the above embodiments, the beneficial effects of the present application are: When the network security monitoring system monitors the internal network of the attack unit, it can automatically control the telescopic cylinder to move through the control system, and then trigger a series of actions to pull out the crystal head from the gateway main network hole, quickly cut off the network connection, effectively prevent the attack from further deepening, and protect the internal network security; Through the cooperation of the pressure pushing assembly, the buckle pressing assembly and the plug pulling out assembly, the pressure is transmitted by hydraulic oil, which can accurately press the crystal head card tongue to open the lock first, and then pull out the crystal head, ensuring accurate operation, avoiding damage to the equipment or failure to disconnect normally due to improper operation; The driving assembly in the protection mechanism can drive the cover assembly to move, after disconnecting the network connection, it can insert the cover into the slot and close the gateway main network hole to prevent dust and impurities from entering, reduce the impact of dust on the equipment, and at the same time enhance the ability to resist physical damage and prolong the service life of the equipment; When the crisis is over, the motor rotates in the opposite direction and the telescopic cylinder output end moves, combined with the elastic force of the spring, it can automatically retract the cover into the chamber and reinsert the crystal head into the gateway main network hole to restore the network connection, which is convenient and fast, without complex manual reset operation.

[0035] The above description of disclosed embodiments enables one of ordinary skill in the art to make or use the application. Various modifications to these embodiments will be apparent to those skilled in the art, and the generic principles defined herein can be applied to other embodiments without departing from the spirit or scope of the application. Therefore, the present application will not be limited to these embodiments shown herein, but is intended to conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A network security isolation device, comprising a base (2), a gateway (1) fixedly mounted on the top of the base (2), a groove (3) formed in the base (2), a chamber (43) provided in the base (2), a crystal head (4) pluggably connected to the main network hole of the gateway (1), the crystal head (4) being connected to a network cable (6), characterized in that: The lower end of the main mesh of the gateway (1) is fixedly connected with a support plate (5), a disconnecting mechanism (8) is arranged on the base (2), and a protection mechanism (9) is arranged on the base (2).

2. The network security isolation device of claim 1, wherein: The disconnecting mechanism (8) comprises a pressure pushing assembly (10), a buckle pressing assembly (11) and a plug pulling-out assembly (12), the pressure pushing assembly (10) is arranged on the disconnecting mechanism (8), the buckle pressing assembly (11) is arranged on the disconnecting mechanism (8), and the plug pulling-out assembly (12) is arranged on the disconnecting mechanism (8).

3. The network security isolation device of claim 2, wherein: The pressure pushing assembly (10) comprises a telescopic electric cylinder (13), the telescopic electric cylinder (13) is fixedly installed at the inner bottom end of the groove (3), one end of the output end of the telescopic electric cylinder (13) is fixedly connected with a top rod (14), the other end of the top rod (14) is fixedly connected with the side wall of a first sliding block (17), one side of the first sliding block (17) is fixedly connected with a first piston (16), a first oil cavity (15) is fixedly installed at the inner bottom end of the groove (3), the first piston (16) and the first sliding block (17) are slidably arranged in the first oil cavity (15), the region surrounded by the first piston (16) and the first oil cavity (15) is provided with hydraulic oil, and one end of the side wall of the first oil cavity (15) is throughly connected with one end of an oil pipe (18).

4. The network security isolation apparatus of claim 3, wherein: The buckle pressing assembly (11) comprises a second oil cavity (19), the second oil cavity (19) is fixedly installed at the right side wall of the disconnecting mechanism (8), the other end of the oil pipe (18) is throughly connected with the top end of the second oil cavity (19), a second piston (22) is slidably arranged on the inner side wall of the second oil cavity (19), the lower end of the second piston (22) is fixedly connected with a second sliding block (23), the lower end of the second sliding block (23) is fixedly connected with a pressing column (20), the pressing column (20) is slidably sleeved on the bottom wall of the second oil cavity (19), one end of the first spring (21) is fixedly connected with the inner bottom end of the second oil cavity (19), the other end of the first spring (21) is fixedly connected with the lower end of the second sliding block (23), the oil pipe (18) is provided with hydraulic oil, and the region surrounded by the second piston (22) and the second oil cavity (19) is provided with hydraulic oil.

5. The network security isolation apparatus of claim 4, wherein: The plug pulling-out assembly (12) comprises a third oil cavity (24), one end of the third oil cavity (24) is throughly connected with the side wall of the second oil cavity (19), a third piston (25) is slidably arranged on the inner side wall of the third oil cavity (24), the right side of the third piston (25) is fixedly connected with a third sliding block (26), one end of a push rod (28) is fixedly connected with the right side of the third sliding block (26), the lower end of the push rod (28) is fixedly connected with one end of a support rod (29), the other end of the support rod (29) is connected with the right side wall of the crystal head (4), one end of the second spring (27) is fixedly connected with the right side of the inner wall of the third oil cavity (24), the other end of the second spring (27) is fixedly connected with the right side of the third sliding block (26), the region surrounded by the third piston (25) and the third oil cavity (24) is provided with hydraulic oil.

6. The network security isolation apparatus of claim 5, wherein: The protection mechanism (9) comprises a cover (32) assembly and a driving assembly (31), the cover (32) assembly is arranged on the protection mechanism (9), and the driving assembly (31) is arranged on the protection mechanism (9).

7. The network security isolation apparatus of claim 6, wherein: The driving assembly (31) comprises a sliding rail (40), the sliding rail (40) is fixedly installed at the inner top end of a cavity (43), a limiting block (42) is slidingly installed on the cavity (43), a toothed plate (38) is fixedly connected to the side wall of the fourth sliding block (41), the limiting block (42) is fixedly connected to the lower end of the right side wall of the sliding rail (40), a motor (36) is fixedly installed at the inner top end of the cavity (43), the motor (36) is arranged on the right side of the sliding rail (40), a gear (37) is installed at the output end of the motor (36), the gear (37) is in meshing rotation connection with the toothed plate (38), and the top end of the toothed plate (38) is fixedly connected with a connecting piece (39).

8. The network security isolation apparatus of claim 7, wherein: The cover (32) assembly comprises a limiting plate (33), the limiting plate (33) is fixedly installed on the right side wall of the gateway (1), the limiting plate (33) is arranged above the main mesh of the gateway (1), a slot (34) is formed in the bottom end of the limiting plate (33), the top end of the connecting piece (39) is fixedly connected with the cover (32), and the support plate (5) and the base (2) are fixedly connected through the shell (35).

9. The network security isolation apparatus of claim 8, wherein: The telescopic electric cylinder (13) is wiredly connected with a control system (7), and the motor (36) is wiredly connected with the control system (7).

10. The network security isolation apparatus of claim 9, wherein: The control system (7) adopts a PLC control system.