Information display device for safety management

By designing a multifunctional display board device with a negative pressure component, the problems of traditional display boards requiring frequent paper replacement and easy paper falling off are solved, thereby expanding the display space, improving replacement efficiency and enhancing the safety reminder effect.

CN120673683AInactive Publication Date: 2025-09-19HUBEI UNIV OF ECONOMICS
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Patent Information

Application Number
CN202510986498.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-07-17
Publication Date
2025-09-19
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

Existing traditional display boards have a simple structure and can only paste paper on one side. The paper needs to be replaced frequently, and the paper is easy to fall off, resulting in incomplete display content and affecting the safety reminder effect.

Method used

A security management information display device was designed, consisting of a chassis, a mounting tube, support columns, and multiple display boards. Multiple mounting slots are provided on the outside of the support columns, into which the display boards can be flexibly inserted. A negative pressure component is located within the inner cavity. Rotating a bolt changes the air pressure within the cavity, creating a negative pressure that securely holds paper and prevents it from falling off.

Benefits of technology

It enables the simultaneous installation of multiple display boards, saves space and costs, simplifies the paper replacement process, improves the integrity and clarity of the display content, and enhances the safety reminder effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of information display devices, in particular to a safety management information display device which comprises a base plate and a plurality of display boards. A fixed cylinder is fixedly connected to the upper end of the chassis, an opening is formed in one side of the fixed cylinder, a pedal is rotationally connected into the opening through a rotating shaft, one end of the pedal extends out of the fixed cylinder, and the other end of the pedal is located in the fixed cylinder; a supporting column is movably inserted into the upper end of the fixing cylinder, a plurality of positioning blocks are fixedly connected to the outer side of the bottom end of the supporting column, and a plurality of positioning grooves matched with the positioning blocks are formed in the upper end of the fixing cylinder. Compared with the prior art, the display board has the advantages that the cost is effectively reduced, meanwhile, negative pressure is generated in the inner cavity, so that paper is firmly adsorbed on the display board, the edge of the paper is effectively prevented from falling off, the display board can be conveniently detached, and replacement and maintenance of the display board are facilitated.
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Description

Technical Field

[0001] The present invention relates to the technical field of information display devices, in particular to an information display device for security management. Background Art

[0002] Safety management is of vital importance in all kinds of places. As an intuitive and effective safety reminder tool, information display devices are widely used in areas with frequent personnel flow, such as schools and small factories. At present, these places are generally equipped with traditional display boards, whose main function is to post various safety precautions to remind people to pay attention to safety and reduce the probability of safety accidents. However, the existing display boards have many shortcomings, which seriously affect their effectiveness and convenience.

[0003] From the perspective of display space and cost: Traditional display boards are simple in structure and can only hold paper on one side. If there are many safety precautions to display and multiple sheets of paper need to be attached, multiple display boards must be used. This not only increases the purchase cost, but also takes up more space and makes the venue look messy. In terms of paper replacement: when different safety precautions need to be displayed, the paper on the display board must be replaced. This process is cumbersome, takes a certain amount of time and effort, and may also cause damage to the display board during the replacement process; Paper stability: Traditional display boards only use adhesive to fix the paper. Over time, the edges of the paper are prone to falling off. Once the paper falls off, it not only affects the integrity and clarity of the displayed content, but also reduces the attention of passers-by to the safety information, failing to achieve the expected safety reminder effect. Furthermore, it is extremely inconvenient to disassemble and repair the display board. Most existing display boards are integrated structures. When a display board is damaged or needs to be replaced, it is difficult to disassemble it for repair or replace it with a new one, which brings great difficulties to subsequent maintenance work. Summary of the Invention

[0004] In response to the problems in the prior art, the present invention provides a safety management information display device. In order to solve the above-mentioned problems, the present invention proposes a safety management information display device, which solves the problem that the existing traditional display board has a simple structure and can only paste paper on one side; and when different safety precautions need to be displayed, the paper pasted on the display board must be replaced; at the same time, the traditional display board only fixes the paper by pasting, and the edge of the paper is prone to falling off over time.

[0005] The technical solution adopted by the present invention to solve its technical problem is: an information display device for security management, including a chassis and a plurality of display boards; a fixed cylinder is fixedly connected to the upper end of the chassis, an opening is provided on one side of the fixed cylinder, a pedal is rotatably connected to the opening through a rotating shaft, one end of the pedal extends out of the fixed cylinder, and the other end of the pedal is located inside the fixed cylinder; a support column is movably inserted into the upper end of the fixed cylinder, a plurality of positioning blocks are fixedly connected to the outer side of the bottom end of the support column, a plurality of positioning grooves adapted to the positioning blocks are provided on the upper end of the fixed cylinder, and a plurality of the positioning blocks are movably inserted into the plurality of positioning grooves respectively; a plurality of positioning blocks are provided on the outer side of the support column The mounting grooves are arranged so that one side of several display boards is movably inserted into several mounting grooves, several through holes are provided on the outside of several display boards, several display boards are provided with inner cavities, and one side of several inner cavities is provided with negative pressure components; the top of the support column is fixedly connected to the mounting cylinder, one side of the mounting cylinder is fixedly connected to a through pipe, one end of the through pipe is provided with a pulling component, the upper end of the mounting cylinder is movably inserted with a bottom column, the upper end of the bottom column is fixedly connected with a top block, and the bottom end of the top block is evenly fixed with several limit rods matching the mounting grooves, and the bottom ends of several limit rods are movably inserted into several mounting grooves and fit tightly with the upper ends of several display boards.

[0006] Specifically, several of the negative pressure components include a mounting block, a movable plate, a bolt and a sealing gasket. The mounting block is fixed to the outer edge of the inner cavity, the bolt is threadedly connected to the mounting block, the wall end of the bolt rod is rotatably connected to a movable plate that matches the inner cavity, the movable plate is movably inserted in the inner cavity, and the end of the movable plate away from the bolt is fixedly connected to a sealing gasket.

[0007] Specifically, the pulling assembly includes a connecting rod, one end of which is fixedly connected to a piston, which is movably inserted in a through tube, and the other end of the connecting rod is fixedly connected to a pulling block, a sleeve block is provided on one side of the pulling block, and the sleeve block is fixedly sleeved on the outside of the connecting rod, and a plurality of slots are provided on the outside of the connecting rod.

[0008] Specifically, an outer ring is fixedly sleeved on the outside of the base column, the bottom end of the outer ring fits with the upper end of the mounting tube, and a sealing plug is fixedly connected to the bottom end of the base column, and the horizontal height of the bottom end of the sealing plug is greater than the horizontal height of the through pipe.

[0009] Specifically, the upper end of one side of the through pipe is fixedly connected with a side block, the upper end of the side block is movably sleeved with a positioning plate, the bottom end of the positioning plate is movably inserted into the corresponding slot, and the positioning plate is set to be L-shaped.

[0010] Specifically, a guide groove is provided on the outer side of the through pipe, a guide block is movably inserted into the guide groove, and one side of the guide block is fixedly connected to the sleeve block.

[0011] Specifically, a groove is provided at the upper end of one side of the pedal located in the fixed cylinder, and a ball is embedded at the center position of the bottom end of the support column, and the ball is in rolling connection with the groove.

[0012] Specifically, a fixing ring is fixedly sleeved on the outer side of the bottom end of the support column, a side groove is provided on the inner wall of the fixing cylinder, and the fixing ring is movably inserted in the side groove.

[0013] Specifically, several of the installation slots are provided with a cylindrical shape, and one side of several of the display boards close to the supporting column is provided with a cylindrical shape matching the installation slot.

[0014] Specifically, an auxiliary component is provided at the upper end of the display board, and the auxiliary component includes a mounting frame, the mounting frame is fixed to the upper end of the display board, a plurality of positioning holes are provided on the outer side of the mounting frame, two sliders are movably sleeved on the outer side of the mounting frame, the bottom ends of the two sliders are provided with concave clamping blocks, the bottom ends of the two clamping blocks are sleeved on the outer side of the display board, the outer sides of the two sliders are connected to positioning rods through connecting ropes, one end of the two positioning rods passes through the slider and is movably inserted into the corresponding positioning holes.

[0015] Beneficial effects of the present invention: (1) The beneficial effects of the safety management information display device described in the present invention: by providing multiple installation slots on the outside of the support column, multiple display boards can be installed at the same time, which greatly increases the display space and eliminates the need to purchase multiple display boards, effectively reducing costs. At the same time, it avoids the venue appearing cluttered due to too many display boards, making the display area more tidy and orderly. The staff periodically rotates the support column to display different papers to passers-by, making it easier to publicize different safety precautions.

[0016] (2) The beneficial effects of the information display device for security management described in the present invention: the display board is movably inserted into the installation slot. When the display content needs to be changed, it is only necessary to take the display board out of the installation slot and replace it with a new one. The operation is simple and quick, which greatly saves time and energy, and does not cause damage to the display board itself, thereby improving the replacement efficiency.

[0017] (3) The beneficial effects of the information display device for safety management described in the present invention: by providing an inner cavity and a negative pressure component inside the display board, the rotating bolt drives the movable plate to move, thereby changing the air pressure in the inner cavity and forming a negative pressure inside the inner cavity, thereby firmly adsorbing the paper on the display board, effectively preventing the edge of the paper from falling off, ensuring the integrity and clarity of the display content, increasing the attention of passers-by to safety information, and enhancing the safety reminder effect.

[0018] (4) The beneficial effects of the information display device for security management described in the present invention are as follows: two clamping blocks are provided on the outside of the display board, and the two clamping blocks are used to clamp the two sides of the paper posted on the outside of the display board, so that the paper fits tightly to the display board, thereby preventing the edge of the paper from falling off and wrinkling, and further ensuring the display effect of the paper. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention will be further described below with reference to the accompanying drawings and examples.

[0020] Figure 1 A schematic structural diagram of a security management information display device provided by the present invention; Figure 2 A schematic diagram of the structure of a display board of a security management information display device provided by the present invention; Figure 3 A schematic diagram of the base column and mounting tube structure of a security management information display device provided by the present invention; Figure 4 A schematic diagram of the structure of a pulling component of a security management information display device provided by the present invention; Figure 5 A schematic diagram of the support column structure of a security management information display device provided by the present invention; Figure 6 A schematic diagram of the bottom structure of a fixing cylinder and a supporting column of a security management information display device provided by the present invention; Figure 7 A schematic diagram of the internal structure of a fixed cylinder of a security management information display device provided by the present invention; Figure 8 A schematic structural diagram of auxiliary components of a security management information display device provided by the present invention.

[0021] In the figure: 1. chassis; 2. fixing cylinder; 3. support column; 4. display board; 5. top block; 6. limit rod; 7. pedal; 8. negative pressure assembly; 81. mounting block; 82. moving plate; 83. bolt; 84. sealing gasket; 9. pulling assembly; 91. pulling block; 92. connecting rod; 93. piston; 94. sleeve block; 95. slot; 10. through hole; 11. inner cavity; 12. bottom column; 13. mounting cylinder; 14. outer ring ; 15. Sealing plug; 16. Through pipe; 17. Side block; 18. Positioning plate; 19. Guide groove; 20. Guide block; 21. Mounting groove; 22. Fixing ring; 23. Groove; 24. Positioning groove; 25. Side groove; 26. Opening; 27. Positioning block; 28. Ball; 29. ​​Auxiliary component; 291. Mounting frame; 292. Clamping block; 293. Slider; 294. Positioning hole; 295. Positioning rod; 296. Connecting rope. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0023] like Figures 1-8 As shown, the present invention provides the following technical solutions: Embodiment 1: A security management information display device comprises a chassis 1 and a plurality of display boards 4; a fixed cylinder 2 is fixedly connected to the upper end of the chassis 1, and an opening 26 is provided on one side of the fixed cylinder 2, and a pedal 7 is rotatably connected to the opening 26 through a rotating shaft, one end of the pedal 7 extends out of the fixed cylinder 2, and the other end of the pedal 7 is located inside the fixed cylinder 2; a support column 3 is movably inserted into the upper end of the fixed cylinder 2, and a plurality of positioning blocks 27 are fixedly connected to the outer side of the bottom end of the support column 3, and a plurality of positioning grooves 24 adapted to the positioning blocks 27 are provided on the upper end of the fixed cylinder 2, and a plurality of positioning blocks 27 are movably inserted into the plurality of positioning grooves 24 respectively; a plurality of mounting grooves 21 are provided on the outer side of the support column 3, and a plurality of display boards 4 are movably inserted into the plurality of mounting grooves 21 respectively on one side, a plurality of through holes 10 are provided on the outer side of the plurality of display boards 4, and a plurality of display boards 4 are provided inside Inner cavity 11; the top of the support column 3 is fixedly connected to the mounting cylinder 13, and one side of the mounting cylinder 13 is fixedly connected to the through pipe 16, the upper end of the mounting cylinder 13 is movably inserted with a bottom column 12, the upper end of the bottom column 12 is fixedly connected to the top block 5, and the bottom end of the top block 5 is evenly fixed with a number of limiting rods 6 matching the mounting grooves 21, and the bottom ends of the limiting rods 6 are movably inserted into the number of mounting grooves 21 and fit tightly with the upper ends of the number of display boards 4. By arranging a number of display boards 4 on the outside of the support column 3, the display space is greatly increased, and there is no need to purchase multiple display boards 4 additionally, which effectively reduces the cost. At the same time, by generating negative pressure in the inner cavity 11, the paper is firmly adsorbed on the display board 4, effectively preventing the edge of the paper from falling off, and the display board 4 can be conveniently disassembled, which is convenient for replacement and maintenance of the display board 4; The plurality of mounting grooves 21 are all provided with cylindrical shapes, and the side of the plurality of display boards 4 close to the support column 3 is provided with cylindrical shapes matching the mounting grooves 21, so as to ensure the stability of the display boards 4 inserted in the mounting grooves 21; A fixing ring 22 is fixedly sleeved on the outer side of the bottom end of the support column 3. A side groove 25 is provided on the inner wall of the fixing tube 2. The fixing ring 22 is movably inserted into the side groove 25. When the support column 3 moves upward, the fixing ring 22 is simultaneously driven to move upward in the side groove 25. The side groove 25 restricts the fixing ring 22, thereby preventing the support column 3 from separating from the fixing tube 2. A groove 23 is provided on the upper end of one side of the pedal 7 located in the fixed cylinder 2, and a ball 28 is embedded in the center of the bottom end of the support column 3. The ball 28 is in rolling connection with the groove 23. When the pedal 7 is turned over, the ball 28 rolls in the groove 23, which facilitates the upward movement of the support column 3. At the same time, it also facilitates the rotation of the support column 3 to display the papers on different display boards 4 to passers-by. An outer ring 14 is fixedly sleeved on the outside of the bottom column 12, and the bottom end of the outer ring 14 fits with the upper end of the mounting tube 13. A sealing plug 15 is fixedly connected to the bottom end of the bottom column 12. The horizontal height of the bottom end of the sealing plug 15 is greater than the horizontal height of the through tube 16. The outer ring 14 cooperates with the mounting tube 13 to support the bottom column 12, so that the horizontal height of the bottom end of the sealing plug 15 is greater than the horizontal height of the through tube 16.

[0024] When in use, papers are pasted on both sides of several display boards 4, and different safety precautions are written on the papers. Each paper needs to cover several through holes 10, and then one side of the display board 4 is inserted into the installation groove 21 on the outside of the support column 3, and then the top block 5 is installed, so that the several limit rods 6 at the bottom end of the top block 5 are respectively inserted into the several installation grooves 21, and fit tightly with the upper ends of several display boards 4, so as to ensure the stability of the display board 4, and papers are pasted on each side of the outside of the top block 5, and each paper has the same emergency precautions, so that the emergency precautions are displayed to passers-by every day. By installing multiple display boards 4 on the outside of the support column 3, the display space is greatly increased, and there is no need to purchase multiple display boards 4 additionally, which effectively reduces the cost and avoids the venue being affected by the problem. Too many display boards 4 make the display area look messy. To make the display area neater and more orderly, the staff periodically steps on the pedal 7, and the pedal 7 rotates along the rotating shaft. When the pedal 7 flips, it pushes the support column 3 up through the ball bearing 28. When the support column 3 moves up, it simultaneously drives several positioning blocks 27 to move up in several positioning grooves 24. When the positioning blocks 27 are completely separated from the positioning grooves 24, the support column 3 can be rotated. When several positioning blocks 27 correspond to adjacent positioning grooves 24, the support column 3 will go back into the fixed tube 2 by its own weight, and several positioning blocks 27 are also movably inserted into the corresponding positioning grooves 24, thereby positioning the support column 3 and displaying different papers to passers-by, which is convenient for promoting different safety precautions. There is no need to frequently change papers, which is more convenient.

[0025] Embodiment 2: The technical solution of this embodiment is different from that of embodiment 1 in that: a negative pressure assembly 8 is further provided on one side of the plurality of inner cavities 11, and the plurality of negative pressure assemblies 8 include a mounting block 81, a movable plate 82, a bolt 83 and a sealing gasket 84. The mounting block 81 is fixed to the outer edge of the inner cavity 11, and the bolt 83 is threadedly connected to the mounting block 81. The rod wall end of the bolt 83 is rotatably connected to a movable plate 82 that matches the inner cavity 11. The movable plate 82 is movably inserted in the inner cavity 11, and the end of the movable plate 82 away from the bolt 83 is fixedly connected to the sealing gasket 84. Rotating the bolt 83 drives the movable plate 82 to move, changes the air pressure in the inner cavity 11, and forms a negative pressure inside the inner cavity 11, thereby firmly adsorbing the paper on the display board 4, effectively preventing the edge of the paper from falling off, ensuring the integrity and clarity of the display content, improving the attention of passers-by to safety information, and enhancing the safety reminder effect.

[0026] During use, when the paper is pasted on the outside of the display board 4 and the paper completely covers the plurality of through holes 10, the bolt 83 is rotated. Since the bolt 83 is threadedly connected to the mounting block 81 and the rod wall end of the bolt 83 is rotatably connected to the movable plate 82, the rotation of the bolt 83 will synchronously drive the movable plate 82 to move. The movable plate 82 drives the sealing gasket 84 to gradually approach the mounting block 81 inside the inner cavity 11, thereby generating negative pressure inside the inner cavity 11, thereby firmly adsorbing the paper on the display board 4, effectively preventing the edge of the paper from falling off, ensuring the integrity and clarity of the displayed content, increasing the attention of passers-by to the safety information, and enhancing the safety reminder effect.

[0027] Embodiment 3: The technical solution of this embodiment is different from that of embodiment 2 in that: a pulling assembly 9 is further provided at one end of the through tube 16, and the pulling assembly 9 includes a connecting rod 92, one end of the connecting rod 92 is fixedly connected to a piston 93, and the piston 93 is movably inserted in the through tube 16, and the other end of the connecting rod 92 is fixedly connected to a pulling block 91, and a sleeve block 94 is provided on one side of the pulling block 91, and the sleeve block 94 is fixedly sleeved on the outer side of the connecting rod 92, and a plurality of slots 95 are provided on the outer side of the connecting rod 92. The piston 93 is driven to move in the through tube 16 by the connecting rod 92, so that a negative pressure is generated in the through tube 16 and the installation tube 13, thereby making the bottom column 12 stably inserted in the installation tube 13, thereby ensuring the installation stability of the top block 5 and also ensuring the limiting effect of the display board 4; The upper end of one side of the through pipe 16 is fixedly connected to a side block 17, and the upper end of the side block 17 is movably sleeved with a positioning plate 18. The bottom end of the positioning plate 18 is movably inserted into the corresponding slot 95. The positioning plate 18 is set in an L shape. The bottom end of the positioning plate 18 is movably inserted into the corresponding positioning groove 24, thereby positioning the connecting rod 92 to prevent the piston 93 and the connecting rod 92 from returning to the initial position due to negative pressure; A guide groove 19 is provided on the outside of the through pipe 16, and a guide block 20 is movably inserted in the guide groove 19. One side of the guide block 20 is fixedly connected to the sleeve block 94. The guide block 20 slides in the guide groove 19 to ensure the stability of the connecting rod 92 during movement, prevent the connecting rod 92 from rotating, and thereby ensure that the positioning plate 18 can be accurately inserted into the corresponding positioning groove 24.

[0028] During use, when installing the top block 5, the bottom column 12 at the bottom end of the top block 5 will be inserted into the installation tube 13. At this time, the horizontal height of the bottom end of the sealing plug 15 is greater than the horizontal height of the through tube 16. The connecting rod 92 is pulled by the pulling block 91, and the connecting rod 92 drives the piston 93 to move in the through tube 16, thereby generating negative pressure in the through tube 16 and the installation tube 13. The bottom column 12 is stably inserted in the installation tube 13 through the force of the negative pressure, thereby ensuring the installation stability of the top block 5, which is very convenient for the disassembly of the top block 5. Finally, the positioning plate 18 is inserted so that the bottom end of the positioning plate 18 is movably inserted in the corresponding slot 95, thereby positioning the connecting rod 92 to prevent the piston 93 and the connecting rod 92 from returning to the initial position due to negative pressure.

[0029] Embodiment 4: The technical solution of this embodiment is different from that of embodiment 3 in that: an auxiliary component 29 is further provided at the upper end of the display board 4, and the auxiliary component 29 includes a mounting frame 291, which is fixed to the upper end of the display board 4. A plurality of positioning holes 294 are provided on the outer side of the mounting frame 291, and two sliders 293 are movably sleeved on the outer side of the mounting frame 291. The bottom ends of the two sliders 293 are provided with concave clamping blocks 292, and the bottom ends of the two clamping blocks 292 are sleeved on the outer side of the display board 4. The outer sides of the two sliders 293 are connected to positioning rods 295 through connecting ropes 296. One end of the two positioning rods 295 passes through the sliders 293 and is movably inserted into the corresponding positioning holes 294. The two clamping blocks 292 clamp both sides of the paper posted on the outer side of the display board 4, so that the paper and the display board 4 are tightly fitted, thereby preventing the edges of the paper from falling off and wrinkling, and further ensuring the display effect of the paper.

[0030] When in use, the two sliders 293 are slid left and right according to the actual size of the paper. The two sliders 293 drive the two clamping blocks 292 to move, so that the two clamping blocks 292 are respectively located on both sides of the paper, and then the positioning rod 295 is inserted. The positioning rod 295 passes through the slider 293 and is inserted into the corresponding positioning hole 294, thereby limiting the position of the slider 293 and the clamping blocks 292. The clamping blocks 292 make the two sides of the paper tightly fit against the outside of the display board 4, thereby ensuring the paper posting effect, preventing the edge of the paper from falling off and wrinkling, and further ensuring the display effect of the paper.

[0031] The basic principles, main features, and advantages of the present invention are shown and described above. Those skilled in the art should understand that the present invention is not limited to the above-described embodiments. The above-described embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and modifications may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and modifications are intended to fall within the scope of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A security management information display device, characterized in that: It includes a chassis (1) and a plurality of display boards (4); The upper end of the chassis (1) is fixedly connected to a fixed cylinder (2), one side of the fixed cylinder (2) is provided with an opening (26), and a pedal (7) is rotatably connected to the opening (26) via a rotating shaft, one end of the pedal (7) extends out of the fixed cylinder (2), and the other end of the pedal (7) is located inside the fixed cylinder (2); A support column (3) is movably inserted into the upper end of the fixed cylinder (2), and a plurality of positioning blocks (27) are fixedly connected to the outer side of the bottom end of the support column (3). A plurality of positioning grooves (24) adapted to the positioning blocks (27) are provided at the upper end of the fixed cylinder (2), and the plurality of positioning blocks (27) are movably inserted into the plurality of positioning grooves (24) respectively. The support column (3) is provided with a plurality of mounting grooves (21) on the outside, and one side of the plurality of display boards (4) is movably inserted into the plurality of mounting grooves (21). The plurality of display boards (4) are provided with a plurality of through holes (10) on the outside, and the plurality of display boards (4) are provided with inner cavities (11) inside, and one side of the plurality of inner cavities (11) is provided with negative pressure components (8). The top of the support column (3) is fixedly connected to a mounting tube (13), one side of the mounting tube (13) is fixedly connected to a through pipe (16), one end of the through pipe (16) is provided with a pulling assembly (9), the upper end of the mounting tube (13) is movably inserted with a bottom column (12), the upper end of the bottom column (12) is fixedly connected to a top block (5), and the bottom end of the top block (5) is evenly fixed with a plurality of limiting rods (6) matching the mounting grooves (21), and the bottom ends of the plurality of limiting rods (6) are movably inserted into the plurality of mounting grooves (21) and are tightly fitted with the upper ends of the plurality of display boards (4).

2. The information display device for security management according to claim 1, characterized in that: Several of the negative pressure components (8) include a mounting block (81), a movable plate (82), a bolt (83) and a sealing gasket (84), wherein the mounting block (81) is fixed to the outer edge of the inner cavity (11), the bolt (83) is threadedly connected to the mounting block (81), the rod wall end of the bolt (83) is rotatably connected to the movable plate (82) matching the inner cavity (11), the movable plate (82) is movably inserted in the inner cavity (11), and the end of the movable plate (82) away from the bolt (83) is fixedly connected to the sealing gasket (84).

3. The information display device for security management according to claim 1, characterized in that: The pulling assembly (9) comprises a connecting rod (92), one end of the connecting rod (92) is fixedly connected to a piston (93), the piston (93) is movably inserted in the through pipe (16), the other end of the connecting rod (92) is fixedly connected to a pulling block (91), one side of the pulling block (91) is provided with a sleeve block (94), the sleeve block (94) is fixedly sleeved on the outside of the connecting rod (92), and the outside of the connecting rod (92) is provided with a plurality of slots (95).

4. The security management information display device according to claim 1, characterized in that: An outer ring (14) is fixedly sleeved on the outside of the bottom column (12), and the bottom end of the outer ring (14) is in contact with the upper end of the mounting tube (13). A sealing plug (15) is fixedly connected to the bottom end of the bottom column (12), and the horizontal height of the bottom end of the sealing plug (15) is greater than the horizontal height of the through pipe (16).

5. The information display device for security management according to claim 1, characterized in that: The upper end of one side of the through pipe (16) is fixedly connected to a side block (17), the upper end of the side block (17) is movably sleeved with a positioning plate (18), the bottom end of the positioning plate (18) is movably inserted into the corresponding slot (95), and the positioning plate (18) is set to be L-shaped.

6. The security management information display device according to claim 1, characterized in that: A guide groove (19) is provided on the outside of the through pipe (16), a guide block (20) is movably inserted into the guide groove (19), and one side of the guide block (20) is fixedly connected to the sleeve block (94).

7. The security management information display device according to claim 1, characterized in that: The pedal (7) is provided with a groove (23) at the upper end of one side located in the fixed cylinder (2), and a ball (28) is embedded at the center position of the bottom end of the support column (3), and the ball (28) is rollingly connected to the groove (23).

8. The information display device for security management according to claim 1, characterized in that: A fixing ring (22) is fixedly sleeved on the outer side of the bottom end of the support column (3), a side groove (25) is provided on the inner wall of the fixing cylinder (2), and the fixing ring (22) is movably inserted into the side groove (25).

9. The security management information display device according to claim 1, characterized in that: Several of the installation grooves (21) are provided with a cylindrical shape, and one side of several of the display boards (4) close to the support column (3) is provided with a cylindrical shape matching the installation groove (21).

10. The security management information display device according to claim 1, characterized in that: An auxiliary component (29) is provided at the upper end of the display board (4), and the auxiliary component (29) includes a mounting frame (291), the mounting frame (291) is fixed to the upper end of the display board (4), a plurality of positioning holes (294) are provided on the outer side of the mounting frame (291), two sliders (293) are movably sleeved on the outer side of the mounting frame (291), the bottom ends of the two sliders (293) are each provided with a concave clamping block (292), the bottom ends of the two clamping blocks (292) are sleeved on the outer side of the display board (4), the outer sides of the two sliders (293) are connected to positioning rods (295) via connecting ropes (296), and one end of the two positioning rods (295) passes through the slider (293) and is movably inserted into the corresponding positioning hole (294).