Portable network security equipment

By designing handles, mobile wheels and carrying components in network security equipment, the problem of inconvenient data power cord portability in the prior art is solved, and the convenient mobile and efficient portability of the equipment is realized.

CN119602989APending Publication Date: 2025-03-11YANCHENG TEACHERS UNIV
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Patent Information

Application Number
CN202411498166.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-10-25
Publication Date
2025-03-11

AI Technical Summary

Technical Problem

When existing network security equipment is carried out, the data power cord needs to be handheld or carried with a backpack, which reduces portability and is easily lost.

Method used

A portable network security device is designed, using components such as handles, mobile wheels, data interfaces and carrying components (including data power cords, guide wheels and rebound units). The device is moved by grips and moving wheels with the ground. The data power cord is wound through the guide wheel and automatically pulled out during use, and automatically contracted through the rebound unit after use.

Benefits of technology

It improves the portability of network security equipment, avoids the trouble of staff members needing to hold data power cords with handheld or backpack, and enhances the convenience of equipment going out and using.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of network security equipment, in particular to portable network security equipment, which comprises a network security equipment body, a handle, a plurality of moving wheels, a plurality of data interfaces, a shell and a carrying assembly, and is characterized in that the network security equipment body can be driven to move by holding the handle and then enabling the moving wheels to be in contact with the ground. The data interface is connected with an external computer, then the data power line is pulled out from the shell, the data power line is tightened under the action of the guide wheel and is prevented from loosening, and when the data power line is not used, the data power line is pulled out from the power supply, and the springback unit drives the data power line to retract into the shell. Therefore, the data power line special for the network security equipment body can be wound, can be directly pulled out for use during use, and can be retracted into the shell for storage after use, so that the data power line can be conveniently carried and used when going out, a worker does not need to independently hold the data power line or carry the data power line with a backpack, and the portability of the network security equipment body is improved.
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Description

Technical Field

[0001] The present invention relates to the technical field of network security equipment, and in particular to a portable network security equipment. Background Art

[0002] With the rapid development of the Internet, network security is also particularly important. Network security determines the information security of users. Therefore, network security equipment is usually installed in the computer room to protect computer networks from potential threats and attacks, play a role in protecting sensitive data and information, and greatly improve information security. However, traditional network security equipment is no longer moved after installation. The convenience of carrying outside was not considered at the beginning of the design, and no portable auxiliary components were set, which is not conducive to network security-related staff to use when working outside.

[0003] In the prior art, a fixing block is provided on the network security device, a shoulder strap is fixedly connected to the bottom end of the fixing block, and a sliding buckle is also provided on the shoulder strap, so that the network security device can be carried on the back by the shoulder strap for carrying and use outside.

[0004] However, in the aforementioned prior art, only the network security device itself is carried by relying on a shoulder strap, while the network security device is also equipped with a dedicated data power cord. When going out, the data power cord needs to be held by the staff or carried in another backpack, and the data power cord and the network security device are easily lost after being carried separately, thereby reducing the portability of the network security device and being very inconvenient to carry and use. Summary of the invention

[0005] The purpose of the present invention is to provide a portable network security device, which solves the problem that in the prior art, the network security device itself is only carried on the back by a shoulder strap, while the network security device is also equipped with a dedicated data power cord. When going out, the data power cord needs to be held by the staff or carried in another backpack, and the data power cord and the network security device are easily lost after being carried separately, thereby reducing the portability of the network security device and being very inconvenient to carry and use.

[0006] To achieve the above-mentioned object, the present invention provides a portable network security device, comprising a network security device body, a handle, a plurality of moving wheels, a plurality of data interfaces, a shell and a carrying component, wherein the handle and the plurality of data interfaces are sequentially arranged at one end of the network security device body, the plurality of moving wheels are sequentially arranged at the other end of the network security device body, and the shell is arranged at one side of the network security device body;

[0007] The carrying component includes a data power cord, two guide wheels and two rebound units. The shell has a power input port, the data power cord is connected to the power input port, the two rebound units are sequentially arranged inside the shell, the two guide wheels are respectively arranged on the corresponding rebound units, and the data power cord is sequentially wound around the guide wheels.

[0008] The data power line includes a line body and a plug, and two ends of the line body are connected to the power input port and the plug respectively.

[0009] Among them, the rebound unit includes a connecting rod, a slider and a first spring, one end of the connecting rod is fixedly connected to the guide wheel, the other end of the connecting rod is fixedly connected to the slider, the outer shell has a first slide groove, the slider is slidably connected to the first slide groove, and the two ends of the first spring are respectively movably connected to the inner wall of the first slide groove and the slider.

[0010] Wherein, the carrying component also includes a placing unit, which is arranged at one end of the outer shell; the placing unit includes a placing shell, a cover plate, a connecting rope, a first magnet and a second magnet, the placing shell is fixedly connected to the outer shell and is located at one end of the outer shell, the cover plate is connected to the outer shell through the connecting rope, the first magnet is fixedly connected to the placing shell, the second magnet is fixedly connected to the cover plate, and the first magnet and the second magnet attract each other.

[0011] Among them, the carrying component also includes a protection unit, which includes a first reinforcement ring, a second reinforcement ring, a support ring, two limit columns, a maintenance plate, two protection plates and two arc-shaped limit plates. The first reinforcement ring is fixedly connected to the power input port and is sleeved on the outside of the wire body. The second reinforcement ring is fixedly connected to the plug and is sleeved on the outside of the wire body. The support ring is arranged inside the placement shell and sleeved on the outside of the wire body. The two limit columns are sequentially arranged on the second reinforcement ring. The support ring has two through holes, and the two limit columns are respectively adapted to the corresponding through holes. The maintenance plate is connected to the upper bolts of the placement shell, and the two protection plates are respectively connected to the upper and lower bolts of the network security device body, and the two arc-shaped limit plates are respectively arranged on the corresponding guide wheels.

[0012] Among them, the carrying component also includes a data line limiting unit, and the data line limiting unit is arranged inside the shell; the data line limiting unit includes a fixed seat, a first turning handle, two threaded rods, a fixing block, a connecting shaft and two clamping plates, the fixed seat is arranged on the inner bottom wall of the shell, one end of the two threaded rods are fixedly connected to the connecting shaft, and are symmetrically distributed at both ends of the connecting shaft, the fixing block is arranged on one side of the fixed seat, the first turning handle passes through the shell, the other end of the threaded rod is fixedly connected to the first turning handle, and the other end of the threaded rod away from the first turning handle is rotatably connected to the fixing block, the clamping plate has a threaded hole, the threaded hole and the threaded rod are adapted to each other, and the fixed seat is sleeved on the outside of the wire body.

[0013] Wherein, the carrying assembly also includes two guide wheel limiting units, and the two guide wheel limiting units are respectively arranged on the corresponding guide wheels; the guide wheel limiting unit includes a support plate, a plurality of third magnets, a slide plate, a rotating groove, a block, a fourth magnet, a shift block, a fifth magnet, a second spring and a second turning handle, the support plate is fixedly connected to the shell and is located on one side of the shell, the shell has a plurality of grooves, a plurality of the third magnets are respectively arranged inside the corresponding grooves, the shell also has a second sliding groove, the slide plate is slidably connected to the second sliding groove, one end of the slide plate is fixedly connected to the guide wheel, and the other end of the slide plate is rotatably connected to the rotating groove, the block is slidably connected to the rotating groove and is located inside the rotating groove, the two ends of the second spring are respectively movably connected to the inner bottom wall of the rotating groove and the block, the fourth magnet is arranged on the block, the fourth magnet and any of the third magnets attract each other, the shift block is arranged on one side of the block, the second turning handle is arranged on one side of the rotating groove, and the fifth magnet is arranged on one side of the slide plate and is located below the rotating groove.

[0014] A portable network security device of the present invention can be driven to move by holding the handle and then the moving wheel contacts the ground. When in use, the data interface is used to connect to an external computer, and then the data power cord is pulled out from the shell. The data power cord is tightened under the action of the guide wheel to prevent it from being loose. When not in use, the data power cord is unplugged from the power source, and the rebound unit drives the data power cord to retract back into the shell. Through the above-mentioned structural setting, the data power cord dedicated to the network security device body can be rolled up, and can be directly pulled out for use. After use, it can be retracted back into the shell for storage, so that it can be carried out for use without the need for staff to hold it separately or use a backpack to carry it, thereby improving the portability of the network security device body. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0017] Figure 2 It is a cross-sectional view of the housing of the present invention.

[0018] Figure 3 The present invention Figure 2 AA line section view.

[0019] Figure 4 The present invention Figure 2 BB line cross-sectional view.

[0020] Figure 5 The present invention Figure 2 Enlarged view of the local structure at location C.

[0021] Figure 6 The present invention Figure 2 Enlarged view of the local structure at D.

[0022] Figure 7 The present invention Figure 3 Enlarged view of the local structure at E.

[0023] Figure 8 The present invention Figure 4 Enlarged view of the local structure at F.

[0024] Fig. 9 It is a structural schematic diagram of the data line limiting unit of the present invention.

[0025] 1-Network security device body, 2-Handle, 3-Moving wheel, 4-Data interface, 5-Shell, 6-Data power line, 7-Guide wheel, 8-Power input port, 9-Line body, 10-Plug, 11-Connecting rod, 12-Slider, 13-First spring, 14-First slide slot, 15-Placement shell, 16-Cover, 17-Connecting rope, 18-First magnet, 19-Second magnet, 20-First reinforcement ring, 21-Second reinforcement ring, 22-Support ring, 23-Limiting column, 24-maintenance plate, 25-protection plate, 26-arc limit plate, 27-through hole, 28-fixed seat, 29-first handle, 30-threaded rod, 31-fixed block, 32-connecting shaft, 33-clamping plate, 34-threaded hole, 35-support plate, 36-third magnet, 37-slide plate, 38-rotating groove, 39-block, 40-fourth magnet, 41-shift block, 42-fifth magnet, 43-second spring, 44-second handle, 45-groove, 46-second slide groove. DETAILED DESCRIPTION

[0026] Embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be construed as limiting the present invention.

[0027] See also Figures 1 to 9 The present invention provides a portable network security device, including a network security device body 1, a handle 2, a plurality of moving wheels 3, a plurality of data interfaces 4, a shell 5 and a carrying component, wherein the carrying component includes a data power line 6, two guide wheels 7 and two rebound units, the shell 5 has a power input port 8, the data power line 6 includes a line body 9 and a plug 10, the rebound unit includes a connecting rod 11, a slider 12 and a first spring 13, the carrying component also includes a placement unit, the placement unit includes a placement shell 15, a cover plate 16, a connection rope 17, a first magnet 18 and a second magnet 19, the carrying component also includes a protection unit, the protection unit It includes a first reinforcement ring 20, a second reinforcement ring 21, a support ring 22, two limit columns 23, a maintenance plate 24, two protection plates 25 and two arc-shaped limit plates 26. The carrying component also includes a data line limit unit, which includes a fixed seat 28, a first turning handle 29, two threaded rods 30, a fixed block 31, a connecting shaft 32 and two clamping plates 33. The carrying component also includes two guide wheel limit units, which include a support plate 35, multiple third magnets 36, a slide plate 37, a rotating groove 38, a clamping block 39, a fourth magnet 40, a shifting block 41, a fifth magnet 42, a second spring 43 and a second turning handle 44.

[0028] The handle 2 and the plurality of data interfaces 4 are sequentially arranged at one end of the network security device body 1, the plurality of moving wheels 3 are sequentially arranged at the other end of the network security device body 1, the housing 5 is arranged at one side of the network security device body 1, the housing 5 has a power input port 8, the data power line 6 is connected to the power input port 8, the two rebound units are sequentially arranged inside the housing 5, the two guide wheels 7 are respectively arranged on the corresponding rebound units, and the data power line 6 is sequentially wound around the guide wheels 7. By holding the handle 2, the moving wheels 3 are in contact with the ground, and the network security device body 1 can be driven to move. When in use, the data interface 4 is used to connect to an external computer, and then the data power line 6 is pulled out from the housing 5. The data power line 6 is tightened under the action of the guide wheel 7 to prevent it from loosening. When it is not needed, the data power line 6 is unplugged from the power source, and the rebound unit drives the data power line 6 to retract back into the housing 5.

[0029] Secondly, the two ends of the wire body 9 are respectively connected to the power input port 8 and the plug 10. The wire body 9 moves on the guide wheel 7 to achieve the telescopic function, and then the plug 10 is connected to the power supply, so that the power cord of the network security device body 1 can be telescopically adjusted to adapt to different usage scenarios, so that the staff does not have to rely on carrying a short data cable to increase portability, which is more convenient to use.

[0030] At the same time, one end of the connecting rod 11 is fixedly connected to the guide wheel 7, and the other end of the connecting rod 11 is fixedly connected to the slider 12. The housing 5 has a first slide groove 14, and the slider 12 is slidably connected to the first slide groove 14. The two ends of the first spring 13 are movably connected to the inner wall of the first slide groove 14 and the slider 12. When the wire body 9 is pulled out, the wire body 9 moves on the guide wheel 7. At the same time, as the wire body 9 is continuously pulled out of the housing 5, the two guide wheels 7 gradually move relative to each other. Relying on the connection of the connecting rod 11, the slider 12 is driven to slide in the first slide groove 14, and the first spring 13 is compressed at the same time; when the wire body 9 is released, the first spring 13 rebounds, driving the guide wheel 7 to rebound, so that the wire body 9 is reset.

[0031] In addition, the placement unit is arranged at one end of the housing 5; the placement unit comprises a placement shell 15, a cover plate 16, a connecting rope 17, a first magnet 18 and a second magnet 19; the placement shell 15 is fixedly connected to the housing 5 and is located at one end of the housing 5; the cover plate 16 is connected to the housing 5 via the connecting rope 17; the first magnet 18 is fixedly connected to the placement shell 15; the second magnet 19 is fixedly connected to the cover plate 16; the first magnet 18 and the second magnet 19 attract each other. The placement shell 15 can protect the plug 10 and the line body 9 inside when no power is supplied; the cover plate 16 is covered, the first magnet 18 and the second magnet 19 attract each other, and the fixation is completed to prevent dust from contaminating the plug 10; when in use, the cover plate 16 is opened, and the connecting rope 17 is relied on to prevent the cover plate 16 from being lost.

[0032] Then, the protection unit includes a first reinforcement ring 20, a second reinforcement ring 21, a support ring 22, two limit columns 23, a maintenance plate 24, two protection plates 25 and two arc-shaped limit plates 26. The first reinforcement ring 20 is fixedly connected to the power input port 8 and is sleeved on the outside of the wire body 9. The second reinforcement ring 21 is fixedly connected to the plug 10 and is sleeved on the outside of the wire body 9. The support ring 22 is arranged inside the placement shell 15 and sleeved on the outside of the wire body 9. The two limit columns 23 are sequentially arranged on the second reinforcement ring 21. The support ring 22 has two through holes 27. The two limit columns 23 are respectively adapted to the corresponding through holes 27. The maintenance plate 24 is bolted to the top of the placement shell 15. The two protection plates 25 are respectively bolted to the top and bottom of the network security device body 1. The two arc-shaped limit plates 26 are respectively arranged on the corresponding guide wheels 7. The first reinforcement ring 20 and the second reinforcement ring 21 reinforce the two ends of the wire body 9 to prevent loosening, cracking or falling off due to continuous pulling. When the power is off, the plug 10 retracts into the placement shell 15. At this time, the limiting column 23 enters the through hole 27 of the support ring 22 to limit the plug 10 to prevent the plug 10 from shaking in the placement shell 15 when the network security device body 1 moves. At the same time, when maintenance is required inside the shell 5, it is only necessary to unscrew the bolts and remove the maintenance plate 24. The protection plate 25 protects the network security device body 1 to prevent it from being damaged by bumps during movement. The arc-shaped limiting plate 26 limits the wire body 9 on the guide wheel 7 to prevent the wire body 9 from detaching from the guide wheel 7.

[0033] In addition, the data line limiting unit is arranged inside the shell 5; the data line limiting unit includes a fixed seat 28, a first turning handle 29, two threaded rods 30, a fixing block 31, a connecting shaft 32 and two clamping plates 33, the fixed seat 28 is arranged on the inner bottom wall of the shell 5, one end of the two threaded rods 30 are fixedly connected to the connecting shaft 32, and are symmetrically distributed at both ends of the connecting shaft 32, the fixing block 31 is arranged on one side of the fixed seat 28, the first turning handle 29 passes through the shell 5, the other end of the threaded rod 30 is fixedly connected to the first turning handle 29, and the other end of the threaded rod 30 away from the first turning handle 29 is rotatably connected to the fixing block 31, the clamping plate 33 has a threaded hole 34, the threaded hole 34 and the threaded rod 30 are adapted to each other, and the fixed seat 28 is sleeved on the outside of the line body 9. The fixing seat 28 supports the fixing block 31, and the fixing block 31 supports the threaded rod 30. By rotating the first turning handle 29, the two threaded rods 30 are driven to rotate by relying on the connection of the connecting shaft 32, and cooperate with the threaded hole 34 to drive the clamping plate 33 to move, thereby clamping and fixing the wire body 9.

[0034] Finally, the two guide wheel limiting units are respectively arranged on the corresponding guide wheels 7; the guide wheel limiting units include a support plate 35, a plurality of third magnets 36, a slide plate 37, a rotating groove 38, a block 39, a fourth magnet 40, a shift block 41, a fifth magnet 42, a second spring 43 and a second turning handle 44, the support plate 35 is fixedly connected to the shell 5 and is located on one side of the shell 5, the shell 5 has a plurality of grooves 45, and a plurality of the third magnets 36 are respectively arranged inside the corresponding grooves 45, the shell 5 also has a second slide groove 46, the slide plate 37 is slidably connected to the second slide groove 46, and one end of the slide plate 37 is connected to the The guide wheel 7 is fixedly connected, the other end of the slide plate 37 is rotatably connected to the rotating groove 38, the block 39 is slidably connected to the rotating groove 38 and is located inside the rotating groove 38, the two ends of the second spring 43 are respectively movably connected to the inner bottom wall of the rotating groove 38 and the block 39, the fourth magnet 40 is arranged on the block 39, the fourth magnet 40 and any of the third magnets 36 attract each other, the shift block 41 is arranged on one side of the block 39, the second turning handle 44 is arranged on one side of the rotating groove 38, and the fifth magnet 42 is arranged on one side of the slide plate 37 and is located below the rotating groove 38. The support plate 35 supports the third magnet 36. When the wire body 9 needs to be pulled out, the limit of the guide wheel 7 is released, and the shift block 41 is moved to move the block 39 downward, so that the third magnet 36 and the block 39 are separated from the groove 45. Then, the second turning handle 44 is turned to drive the rotating groove 38 to rotate, so that the fourth magnet 40 and the fifth magnet 42 attract each other, fix the rotating groove 38 to prevent shaking, and the guide wheel 7 can move left and right in the housing 5, so that the wire body 9 can be pulled out. When the position needs to be fixed after it comes out, the rotating groove 38 is rotated at this time, so that the fourth magnet 40 and the third magnet 36 in the groove 45 attract each other, and at the same time, a part of the block 39 also enters the groove 45, completing the limitation of the rotating groove 38 and the slide plate 37, so that the guide wheel 7 cannot move, and then the rebound of the first spring 13 will not drive the wire body 9 to retract into the housing 5. In addition, the second spring 43 can also drive the block 39 to pop out, so that it can better enter the groove 45, ensuring that the third magnet 36 is in contact with the fourth magnet 40.

[0035] When using a portable network security device of the present embodiment, first, when carrying it out, by holding the handle 2, the moving wheel 3 is in contact with the ground, the network security device body 1 can be driven to move. When in use, the network security device is placed on its side on a plane, connected to an external computer via the data interface 4, and then the plug 10 is held to pull the wire 9 out of the placement shell 15. The wire 9 is tightened under the action of the guide wheel 7 to prevent it from loosening. When the wire 9 is pulled out, the wire 9 moves on the guide wheel 7. At the same time, as the wire 9 is continuously pulled out of the shell 5, the two guide wheels 7 also gradually move relative to each other. By relying on the connection of the connecting rod 11, the slider 12 is driven to slide in the first slide groove 14. At the same time, the first spring 13 is compressed. After being pulled out to a suitable position, the first turning handle 29 is first turned. By relying on the connection of the connecting shaft 32, the first turning handle 29 is connected. , driving the two threaded rods 30 to rotate, cooperating with the threaded holes 34, driving the clamping plate 33 to move, clamping and fixing the wire body 9, and preventing the wire body 9 outside the shell 5 from retracting into the shell 5; then rotating the rotating groove 38, so that the fourth magnet 40 and the third magnet 36 in the groove 45 attract each other, and at the same time, a part of the block 39 also enters the groove 45, completing the limiting of the rotating groove 38 and the slide plate 37, so that the guide wheel 7 cannot move, and preventing the wire body 9 from loosening, falling off and deviating on the guide wheel 7 due to the rebound of the guide wheel 7 after the wire body 9 is fixed; at this time, the positions of the guide wheel 7 and the wire body 9 are fixed, and the plug 10 can be inserted into the power supply, and then the plug 10 and the wire body 9 are used to transmit power to the power input port 8 to supply power to the network security device body 1;

[0036] When no power is needed, the plug 10 is unplugged from the power source, and then the limiting fixation of the line body 9 and the guide wheel 7 is released in turn, and then the plug 10 is slowly released. At this time, the first spring 13 rebounds, driving the slider 12 to slide in the first slide groove 14, driving the guide wheel 7 to reset, and the guide wheel 7 drives the line body 9 to shrink and reset. At the same time, the staff holds the plug 10 by hand, and stably places the plug 10 in the placement shell 15, and finally covers the cover plate 16;

[0037] Through the above-mentioned structural arrangement, the data power cord 6 dedicated to the network security device body 1 can be rolled up and directly pulled out for use. After use, it can be retracted back into the shell 5 for storage so as to be carried out for use without the need for staff to hold it separately or use a backpack to carry it, thereby improving the portability of the network security device body 1.

[0038] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A portable network security device, comprising a network security device body, a handle, a plurality of moving wheels, a plurality of data interfaces and a shell, wherein the handle and the plurality of data interfaces are sequentially arranged at one end of the network security device body, the plurality of moving wheels are sequentially arranged at the other end of the network security device body, and the shell is arranged at one side of the network security device body, characterized in that: Also included is a carrying component; The carrying component includes a data power cord, two guide wheels and two rebound units. The shell has a power input port, the data power cord is connected to the power input port, the two rebound units are sequentially arranged inside the shell, the two guide wheels are respectively arranged on the corresponding rebound units, and the data power cord is sequentially wound around the guide wheels.

2. The portable network security device according to claim 1, characterized in that: The data power line includes a line body and a plug, and two ends of the line body are connected to the power input port and the plug respectively.

3. The portable network security device according to claim 2, characterized in that: The rebound unit includes a connecting rod, a slider and a first spring, one end of the connecting rod is fixedly connected to the guide wheel, the other end of the connecting rod is fixedly connected to the slider, the housing has a first slide groove, the slider is slidably connected to the first slide groove, and the two ends of the first spring are respectively movably connected to the inner wall of the first slide groove and the slider.

4. The portable network security device according to claim 3, characterized in that: The carrying component also includes a placing unit, which is arranged at one end of the outer shell; the placing unit includes a placing shell, a cover plate, a connecting rope, a first magnet and a second magnet, the placing shell is fixedly connected to the outer shell and is located at one end of the outer shell, the cover plate is connected to the outer shell through the connecting rope, the first magnet is fixedly connected to the placing shell, the second magnet is fixedly connected to the cover plate, and the first magnet and the second magnet attract each other.

5. The portable network security device according to claim 4, characterized in that: The carrying assembly also includes a protection unit, which includes a first reinforcement ring, a second reinforcement ring, a support ring, two limit columns, a maintenance plate, two protection plates and two arc-shaped limit plates. The first reinforcement ring is fixedly connected to the power input port and is sleeved on the outside of the wire body. The second reinforcement ring is fixedly connected to the plug and is sleeved on the outside of the wire body. The support ring is arranged inside the placement shell and sleeved on the outside of the wire body. The two limit columns are sequentially arranged on the second reinforcement ring. The support ring has two through holes. The two limit columns are respectively adapted to the corresponding through holes. The maintenance plate is connected to the upper bolts of the placement shell. The two protection plates are respectively connected to the upper and lower bolts of the network security device body. The two arc-shaped limit plates are respectively arranged on the corresponding guide wheels.

6. The portable network security device according to claim 5, characterized in that: The carrying component also includes a data line limiting unit, which is arranged inside the shell; the data line limiting unit includes a fixed seat, a first turning handle, two threaded rods, a fixing block, a connecting shaft and two clamping plates, the fixed seat is arranged on the inner bottom wall of the shell, one end of the two threaded rods are fixedly connected to the connecting shaft, and are symmetrically distributed at both ends of the connecting shaft, the fixing block is arranged on one side of the fixed seat, the first turning handle passes through the shell, the other end of the threaded rod is fixedly connected to the first turning handle, and the other end of the threaded rod away from the first turning handle is rotatably connected to the fixing block, the clamping plate has a threaded hole, the threaded hole and the threaded rod are adapted to each other, and the fixed seat is sleeved on the outside of the wire body.

7. The portable network security device according to claim 6, characterized in that: The carrying assembly also includes two guide wheel limiting units, which are respectively arranged on the corresponding guide wheels; the guide wheel limiting unit includes a support plate, a plurality of third magnets, a slide plate, a rotating groove, a block, a fourth magnet, a shift block, a fifth magnet, a second spring and a second turning handle, the support plate is fixedly connected to the shell and is located on one side of the shell, the shell has a plurality of grooves, a plurality of the third magnets are respectively arranged inside the corresponding grooves, the shell also has a second sliding groove, the slide plate is slidably connected to the second sliding groove, one end of the slide plate is fixedly connected to the guide wheel, the other end of the slide plate is rotatably connected to the rotating groove, the block is slidably connected to the rotating groove and is located inside the rotating groove, the two ends of the second spring are respectively movably connected to the inner bottom wall of the rotating groove and the block, the fourth magnet is arranged on the block, the fourth magnet and any of the third magnets attract each other, the shift block is arranged on one side of the block, the second turning handle is arranged on one side of the rotating groove, and the fifth magnet is arranged on one side of the slide plate and is located below the rotating groove.