Network security isolation device

By designing an electromagnetic shielding layer sealed shell and a linear actuator driven by a stepper motor, the automatic optical path disconnection and real-time switching of the network security isolation device were realized, solving the problem of cumbersome manual plugging and unplugging of network cables and improving security and convenience.

CN224233704UActive Publication Date: 2026-05-12ZHENGZHOU UNIVERSITY OF LIGHT INDUSTRY +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHENGZHOU UNIVERSITY OF LIGHT INDUSTRY
Filing Date
2025-04-28
Publication Date
2026-05-12

AI Technical Summary

Technical Problem

In existing network security isolation technologies, manually plugging and unplugging network cables is cumbersome and cannot meet the requirements for real-time switching.

Method used

Design a network security isolation device that uses a sealed housing with an electromagnetic shielding layer, a linear actuator driven by a stepper motor and an insulating isolation plate, and achieves automatic physical cutting off and switching of the optical path through a movable partition. The device includes a combination of slide rails, slide rods, lead screws and insulating isolation plates to ensure stability and real-time switching.

Benefits of technology

It realizes automatic physical disconnection and real-time switching of optical paths, simplifies the operation process, meets the needs of real-time switching, and improves safety and convenience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of network security, and discloses a network security isolation device which comprises a sealing shell provided with an electromagnetic shielding layer, the sealing shell is composed of a sealing base body and a sealing cover, the sealing cover is detachably installed on the sealing base body, and sliding rails are symmetrically arranged on the upper wall and the lower wall of an inner cavity of the sealing base body. A movable partition plate driven by a linear actuating mechanism is mounted in the sliding rail, and an insulating spacer is mounted on the movable partition plate; an optical path node is arranged in the sealing base body, the optical path node is provided with a circuit breaking groove capable of being physically broken through an insulating spacer, and the insulating spacer and the central axis of the optical path node are located on the same horizontal plane. Elastic clamping pieces corresponding to the clamping notches are symmetrically arranged at the two ends of the inner side of the sealing cover, and the elastic clamping pieces are elastically clamped in the clamping notches. According to the utility model, the optical path can be automatically and physically cut off, and the requirement of real-time switching can be met.
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Description

Technical Field

[0001] This utility model relates to the field of network security technology, and in particular to a network security isolation device. Background Technology

[0002] Network security refers to the protection of the hardware, software, and data of a network system from damage, alteration, or disclosure due to accidental or malicious causes, ensuring the continuous, reliable, and normal operation of the system and uninterrupted network services.

[0003] Current network security isolation technologies mainly rely on software-level firewalls, gateways, or protocol conversion devices, which are at risk of being bypassed by advanced network attacks (such as zero-day vulnerabilities and logical bypasses). Traditional physical isolation solutions (such as manually plugging and unplugging network cables) are highly secure, but they are cumbersome to operate and cannot meet the requirements for real-time switching. Therefore, we propose a network security isolation device. Utility Model Content

[0004] In order to overcome the defects of the prior art mentioned above, the inventors conducted in-depth research and, after a great deal of creative work, completed this utility model.

[0005] Specifically, the technical problem to be solved by this utility model is to provide a network security isolation device to solve the technical problem that the current method of manually plugging and unplugging network cables is cumbersome and cannot meet the requirements of real-time switching.

[0006] To solve the above-mentioned technical problems, the present invention provides the following technical solution:

[0007] A network security isolation device includes a sealed housing with an electromagnetic shielding layer. The sealed housing is composed of a sealing base and a sealing cover, and the sealing cover is detachably installed on the sealing base. The upper and lower walls of the inner cavity of the sealing base are symmetrically provided with slide rails. A movable partition driven by a linear actuator is installed in the slide rails, and an insulating isolation sheet is installed on the movable partition.

[0008] The sealed substrate is provided with an optical path node, and the optical path node has a break groove that can be physically broken by the insulating isolation sheet, and the insulating isolation sheet and the central axis of the optical path node are on the same horizontal plane.

[0009] As an improved technical solution, the opening of the sealing substrate is symmetrically provided with a snap-fit ​​notch, and the inner ends of the sealing cover are symmetrically provided with elastic cards corresponding to the snap-fit ​​notches. The elastic cards are elastically snapped into the snap-fit ​​notches, and the sealing cover is detachably installed on the sealing substrate through the elastic cards and the snap-fit ​​notches.

[0010] As an improved technical solution, the slide rail is composed of symmetrically arranged slide grooves and slide rods installed in the slide grooves. The two ends of the movable partition are slidably installed in the slide grooves, and the slide rods are arranged through the movable partitions.

[0011] As an improved technical solution, the linear actuator includes a stepper motor, a support base is mounted on the sealed substrate, the stepper motor is mounted on the support base, a lead screw is vertically and rotatably mounted in the sealed substrate, one end of the lead screw is connected to the output shaft of the stepper motor, a connecting post is mounted on the outer surface of the lead screw, and the connecting post is mounted on the movable partition.

[0012] As an improved technical solution, the connecting post has a threaded hole inside that corresponds to the lead screw, and the threaded hole is adapted to the thread on the outer surface of the lead screw. The connecting post is installed on the lead screw through the threaded hole.

[0013] As an improved technical solution, the thickness and size of the insulating insulating sheet are adapted to the thickness and size of the inner cavity of the circuit breaker groove.

[0014] As an improved technical solution, the insulating separator is made of polycarbonate material.

[0015] After adopting the above technical solution, the beneficial effects of this utility model are:

[0016] 1. This utility model involves starting a stepper motor and rotating it forward. The output shaft of the stepper motor drives the lead screw to rotate, which in turn drives the connecting post to move along the outer surface of the lead screw. The connecting post drives the movable partition to move along the length of the slide rail, and the movable partition drives the insulating isolation plate to move towards the optical path node until the insulating isolation plate is inserted into the break-off slot to physically cut off the optical path. During this period, the movable partition moves along the inner cavity of the slide groove and the outer surface of the slide rod to provide a limiting and guiding function, while ensuring the stability of the movable partition during its movement, thereby facilitating the automatic physical cutting off of the optical path.

[0017] 2. In this utility model, by starting a stepper motor and reversing it, the output shaft of the stepper motor drives the lead screw to rotate. The lead screw drives the connecting column to move along the outer surface of the lead screw in a threaded manner. The connecting column drives the movable partition to move along the length of the slide rail. The movable partition drives the insulating isolation sheet to move away from the optical path node until the insulating isolation sheet disengages from the circuit breaker groove and switches back to the optical path pass state. During this period, the movable partition moves along the inner cavity of the slide groove and the outer surface of the slide rod to play a limiting and guiding role, while ensuring the stability of the movable partition during movement, thereby meeting the requirements of real-time switching. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:

[0019] Figure 1 This is a schematic diagram of the openable sealed shell structure of this utility model.

[0020] Figure 2 This is a schematic diagram of the structure for removing the sealing cap according to this utility model.

[0021] Figure 3 This is a cross-sectional view of the structure of the present invention with the sealing cap removed.

[0022] Figure 4 For the present utility model Figure 3 Enlarged structural diagram at point A in the middle.

[0023] Explanation of reference numerals in the attached figures:

[0024] In the figure: 1. Sealing substrate; 101. Clip-on notch; 102. Slide groove; 103. Slide rod; 2. Sealing cover; 201. Elastic clip; 3. Movable partition; 4. Stepper motor; 5. Support fixing seat; 6. Lead screw; 7. Connecting column; 8. Insulating isolation sheet; 9. Optical path node; 901. Circuit break groove. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0027] Meanwhile, the meaning of "and / or" or "and / or" appearing throughout the text is that it includes three options. Taking "A and / or B" as an example, it includes option A, option B, or an option that satisfies both A and B.

[0028] Furthermore, in this utility model, descriptions involving "first," "second," etc., are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. Additionally, the technical solutions of the various embodiments can be combined with each other, but only on the basis of being achievable by those skilled in the art. When the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed by this utility model.

[0029] Reference Figures 1-4 A network security isolation device is provided. The network security isolation device includes a sealed housing with an electromagnetic shielding layer. The sealed housing is composed of a sealed base 1 and a sealed cover 2. The sealed cover 2 is detachably installed on the sealed base 1. The upper and lower walls of the inner cavity of the sealed base 1 are symmetrically provided with slide rails. A movable partition 3 driven by a linear actuator is installed in the slide rail. An insulating isolation sheet 8 is installed on the movable partition 3.

[0030] An optical path node 9 is provided inside the sealing substrate 1, and the optical path node 9 has a circuit breaking groove 901 that can be physically broken by the insulating isolation sheet 8, and the insulating isolation sheet 8 and the central axis of the optical path node 9 are on the same horizontal plane.

[0031] Reference Figure 1 The sealing substrate 1 has symmetrically provided locking notches 101 at its opening. The inner ends of the sealing cover 2 are symmetrically provided with elastic cards 201 corresponding to the locking notches 101. The elastic cards 201 are elastically locked in the locking notches 101. The sealing cover 2 can be detachably installed on the sealing substrate 1 through the elastic cards 201 and the locking notches 101, so that the sealing cover 2 can be detachably installed on the sealing substrate 1.

[0032] Reference Figure 1 and Figure 3 The slide rail consists of symmetrically arranged slide grooves 102 and slide rods 103 installed in the slide grooves 102. The two ends of the movable partition 3 are slidably installed in the slide grooves 102, and the slide rods 103 are installed through the movable partition 3 to play a limiting and guiding role, while ensuring stability during movement.

[0033] Reference Figures 2-4 The linear actuator includes a stepper motor 4, a support base 5 mounted on the sealed base 1, the stepper motor 4 mounted on the support base 5, a lead screw 6 vertically and rotatably mounted inside the sealed base 1, one end of the lead screw 6 being connected to the output shaft of the stepper motor 4, a connecting post 7 mounted on the outer surface of the lead screw 6, and the connecting post 7 being mounted on the movable partition 3, so as to drive the movable partition 3 to make linear movements, thereby facilitating automatic physical cutting off of the optical path and meeting the requirements of real-time switching.

[0034] Reference Figure 3 and Figure 4 The connecting post 7 has a threaded hole inside that corresponds to the lead screw 6, and the threaded hole is adapted to the thread on the outer surface of the lead screw 6. The connecting post 7 is installed on the lead screw 6 through the threaded hole, so that the connecting post 7 can move along the outer surface of the lead screw 6.

[0035] Reference Figure 3 and Figure 4 The thickness and size of the insulating isolation piece 8 are matched with the thickness and size of the inner cavity of the circuit breaker groove 901, so as to ensure that the insulating isolation piece 8 fits better when inserted into the circuit breaker groove 901, thereby facilitating the cutting off of the optical path.

[0036] Reference Figure 3 and Figure 4 The insulating separator 8 is made of polycarbonate material to improve its impact resistance.

[0037] In actual use, by starting the stepper motor 4 fixed on the support base 5 and rotating it forward, the output shaft of the stepper motor 4 drives the lead screw 6 to rotate. The lead screw 6 drives the connecting column 7 to move along the outer surface of the lead screw 6. The connecting column 7 drives the movable partition 3 to move along the length of the slide rail. The movable partition 3 drives the insulating isolation plate 8 to move towards the optical path node 9 until the insulating isolation plate 8 is inserted into the circuit breaker slot 901 to physically cut off the optical path. During this period, the movable partition 3 moves along the inner cavity of the slide groove 102 and the outer surface of the slide rod 103 to play a limiting and guiding role, and at the same time ensure the stability of the movable partition 3 during movement, thereby facilitating the automatic physical cutting off of the optical path.

[0038] If it is necessary to switch back to the optical path access state, the stepper motor 4 fixed on the support base 5 is started and reversed. At this time, the output shaft of the stepper motor 4 drives the lead screw 6 to rotate. The lead screw 6 drives the connecting column 7 to move along the outer surface of the lead screw 6. The connecting column 7 drives the movable partition 3 to move along the length of the slide rail. The movable partition 3 drives the insulating isolation plate 8 to move away from the optical path node 9 until the insulating isolation plate 8 disengages from the circuit breaker groove 901 and switches back to the optical path access state. During this period, the movable partition 3 moves along the inner cavity of the slide groove 102 and the outer surface of the slide rod 103 to play a limiting and guiding role, and at the same time ensure the stability of the movable partition 3 during movement, thereby meeting the requirements of real-time switching. This device can not only automatically and physically cut off the optical path, but also meet the requirements of real-time switching.

[0039] It should be understood that these embodiments are for illustrative purposes only and are not intended to limit the scope of protection of this utility model. Furthermore, it should be understood that after reading the technical description of this utility model, those skilled in the art can make various alterations, modifications, and / or variations to this utility model, and all such equivalent forms also fall within the scope of protection defined by the appended claims.

Claims

1. A network security isolation device, characterized in that: The sealing housing includes an electromagnetic shielding layer. The sealing housing is composed of a sealing base (1) and a sealing cover (2). The sealing cover (2) is detachably installed on the sealing base (1). The upper and lower walls of the inner cavity of the sealing base (1) are symmetrically provided with slide rails. A movable partition (3) driven by a linear actuator is installed in the slide rail. An insulating isolation plate (8) is installed on the movable partition (3). The sealing substrate (1) is provided with an optical path node (9), and the optical path node (9) has a break groove (901) that can be physically broken by the insulating isolation sheet (8), and the insulating isolation sheet (8) and the central axis of the optical path node (9) are on the same horizontal plane.

2. The network security isolation device according to claim 1, characterized in that: The sealing substrate (1) has symmetrically provided snap-fit ​​notches (101) at its opening. The inner ends of the sealing cover (2) are symmetrically provided with elastic cards (201) corresponding to the snap-fit ​​notches (101), and the elastic cards (201) are elastically snapped into the snap-fit ​​notches (101). The sealing cover (2) is detachably installed on the sealing substrate (1) through the elastic cards (201) and the snap-fit ​​notches (101).

3. The network security isolation device according to claim 1, characterized in that: The slide rail is composed of symmetrically arranged slide grooves (102) and slide rods (103) installed in the slide grooves (102). The two ends of the movable partition (3) are slidably installed in the slide grooves (102), and the slide rods (103) are arranged through the movable partition (3).

4. The network security isolation device according to claim 1, characterized in that: The linear actuator includes a stepper motor (4), a support base (5) is installed on the sealed base (1), the stepper motor (4) is installed on the support base (5), a lead screw (6) is vertically and rotatably installed inside the sealed base (1), and one end of the lead screw (6) is connected to the output shaft of the stepper motor (4) for transmission. A connecting column (7) is installed on the outer surface of the lead screw (6), and the connecting column (7) is installed on the movable partition (3).

5. The network security isolation device according to claim 4, characterized in that: The connecting post (7) has a threaded hole inside that corresponds to the lead screw (6), and the threaded hole is adapted to the thread on the outer surface of the lead screw (6). The connecting post (7) is installed on the lead screw (6) through the threaded hole.

6. The network security isolation device according to claim 1, characterized in that: The thickness and size of the insulating isolation sheet (8) are adapted to the thickness and size of the inner cavity of the circuit breaker groove (901).

7. The network security isolation device according to claim 1, characterized in that: The insulating separator (8) is made of polycarbonate material.