Special operation site bulletin board in explosion operation environment

Abstract

The utility model relates to the field of billboards, and discloses a special operation site billboard in an explosion operation environment, which comprises a front plate and a rear plate, first hinge structures are arranged at the upper ends of the front plate and the rear plate, and second hinge structures are arranged at the lower ends of the front plate and the rear plate. According to the bulletin board, the first hinge structure is arranged, the bulletin board can be contracted and unfolded in the using process, carrying and using are convenient, meanwhile, the bulletin board is more attractive, the second hinge structure and the third hinge structure are arranged, the unfolded bulletin board can be supported in the using process, the bulletin board is more stable, and rubber is arranged, so that the bulletin board is more stable. When the bulletin board is used, the friction force of the bulletin board to a contact surface can be increased, so that the bulletin board is stabilized, and the front board and the rear board are made of polytetrafluoroethylene which is a very stable material, so that the bulletin board has very good acid and alkali resistance and high-temperature stability and is suitable for an anti-explosion environment.

Description

Technical Field

[0001] The utility model relates to the field of public notice boards, in particular to a special operation site public notice board under an explosion operation environment. Background Art

[0002] A notice board is a sign used to draw people's attention, to alert people to certain information, and thus to inform people. It is widely used in public places such as banks, airports, shopping malls, hotels, hospitals, schools, offices, toilets, parking lots, etc. where pedestrians need to be reminded of certain matters. Public notice boards are also needed in some special environments.

[0003] Although the existing notice board has its basic structure, it cannot be used in some special environments, such as explosion working environment, because of its simple structure, and has problems such as being difficult to carry, waterproof, stable, and inconvenient to publicize and view. Therefore, those skilled in the art provide a special work site notice board in explosion working environment to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings existing in the prior art, and a special work site notice board under an explosive work environment is proposed. By setting a first hinge structure, the notice board can be retracted and unfolded when in use, which is convenient to carry and use and more beautiful. By setting a second hinge structure and a third hinge structure, the unfolded notice board can be supported when in use to make the notice board more stable. By setting rubber, the friction between the notice board and the contact surface can be increased during use, thereby stabilizing the notice board. By setting a valve, the valve can be opened to fill the inside of the notice board with water when in use to increase the weight and provide stability. When not in use, the water can be removed. Let it go and reduce the weight. By setting up a public display bag and setting the material of the public display bag to fluorocarbon resin, the things in the public display bag can be protected when in use, and the fluorocarbon resin material has very good UV protection and chemical resistance, which can protect the eyes of the viewer and prevent the things in the public display bag from being unclear. By setting the material of the first linkage plate and the second linkage plate to aluminum alloy, aluminum alloy is a lightweight metal with good thermal conductivity and electrical conductivity, as well as excellent mechanical properties, and is suitable for explosion-proof environments. By setting the material of the front plate and the rear plate to polytetrafluoroethylene, polytetrafluoroethylene is a very stable material with good acid and alkali resistance and high temperature stability, and is suitable for explosion-proof environments.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A special operation site notice board under an explosive operation environment comprises a front plate and a rear plate, wherein the upper ends of the front plate and the rear plate are provided with a first hinge structure, the lower ends of the front plate and the rear plate are provided with a second hinge structure, a notice bag is provided at the center of the front side wall of the front plate near the lower end, the material of the notice bag is set to fluorocarbon resin, and the material of the front plate and the rear plate is set to polytetrafluoroethylene;

[0007] Through the above technical solution, by providing the first hinge structure and the second hinge structure, the use and carrying of the bulletin board can be made more convenient.

[0008] Further, the first hinge structure includes two connecting shafts, the two ends of the two connecting shafts are rotatably connected to the two inner side walls of the front plate and the two inner side walls of the rear plate respectively, the side walls of the two connecting shafts are respectively sleeved with hollow cylinders at the center, and the two connecting shafts are respectively fixedly connected to the two hollow cylinders, the upper ends of the two hollow cylinders are fixedly connected to the first connecting plate, the two inner side walls of the first connecting plate are centrally provided with handles at the upper ends, and the handles are fixedly connected to the first connecting plate;

[0009] Through the above technical solution, by setting up the first hinge structure, the public notice board can be retracted and unfolded when in use, which is convenient to carry and use and more beautiful.

[0010] Further, the second hinge structure includes two first sliding shafts, the two first sliding shafts are respectively arranged on one side of the lower end of the front plate and the rear plate, and the two first sliding shafts are respectively fixedly connected to the front plate and the rear plate, and one end of the first sliding shaft at the lower end of the front plate is provided with a first linkage plate, and the other end of the first sliding shaft at the lower end of the rear plate is provided with a second linkage plate, one end of the first linkage plate and the second linkage plate are respectively rotatably connected to the two first sliding shafts, the other end of the first linkage plate and the other end of the second linkage plate are rotatably connected by bolts, and a fixing block is provided on the other side of the other end of the second linkage plate, one end of the bolt passes through the first linkage plate and the second linkage plate respectively and is threadedly connected to the internal center of the fixing block, and the first linkage plate is rotatably connected to the second linkage plate, and a third hinge structure is provided on the other side of the lower end of the front plate and the rear plate, and the hinge position of the third hinge structure is opposite to that of the second hinge structure.

[0011] Through the above technical solution, by providing the second hinge structure and the third hinge structure, the unfolded billboard can be supported when in use, making the billboard more stable.

[0012] Furthermore, valves are respectively arranged on the upper and lower ends of one side of the front side wall of the front plate and on the upper and lower ends of the other side of the rear side wall of the rear plate;

[0013] Through the above technical solution, by setting a valve, the valve can be opened to fill water into the public notice board when in use to increase the weight and provide stability. When not in use, the water can be drained to reduce the weight.

[0014] Furthermore, the lower outer side walls of the front plate and the rear plate are provided with rubber;

[0015] Through the above technical solution, by providing the rubber, the friction between the public notice board and the contact surface can be increased during use, thereby stabilizing the public notice board.

[0016] Furthermore, the material of the first linkage plate and the second linkage plate is set to be aluminum alloy;

[0017] Through the above technical solution, by setting the material of the first linkage plate and the second linkage plate to aluminum alloy, aluminum alloy is a lightweight metal with good thermal conductivity and electrical conductivity, as well as excellent mechanical properties.

[0018] The utility model has the following beneficial effects:

[0019] 1. In the present invention, by providing a first hinge structure, the public notice board can be retracted and unfolded when in use, which is convenient to carry and use and more beautiful.

[0020] 2. In the utility model, by providing a second hinge structure and a third hinge structure, the unfolded bulletin board can be supported when in use, making the bulletin board more stable. By providing rubber, the friction of the bulletin board to the contact surface can be increased when in use, thereby stabilizing the bulletin board. By providing a valve, the valve can be opened to fill the inside of the bulletin board with water when in use to increase the weight and provide stability. When not in use, the water can be drained to reduce the weight.

[0021] 3. In the utility model, a display bag is provided, and the material of the display bag is set to fluorocarbon resin. When in use, the contents in the display bag can be protected, and the fluorocarbon resin material has excellent UV protection and chemical resistance, which can protect the eyes of viewers and prevent the contents in the display bag from being unclearly seen. The material of the first linkage plate and the second linkage plate is set to aluminum alloy, which is a lightweight metal with good thermal conductivity and electrical conductivity, as well as excellent mechanical properties, and is suitable for explosion-proof environments. The material of the front plate and the rear plate is set to polytetrafluoroethylene, which is a very stable material with good acid and alkali resistance and high temperature stability, and is suitable for explosion-proof environments. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 A three-dimensional diagram of a special operation site notice board in an explosion operation environment proposed by the utility model;

[0023] Figure 2 This is a rear-view stereoscopic diagram of a special operation site notice board in an explosion operation environment proposed by the utility model;

[0024] Figure 3 for Figure 1 The enlarged schematic diagram of point A in the middle;

[0025] Figure 4 The utility model is a schematic cross-sectional view of the bolt connection of a special work site notice board in an explosion work environment.

[0026] Legend:

[0027] 1. Front plate; 2. Back plate; 3. First hinged structure; 301. First connecting plate; 302. Handle; 303. Connecting shaft; 304. Hollow cylinder; 4. Second hinged structure; 401. First sliding shaft; 402. First linkage plate; 403. Bolt; 404. Second linkage plate; 405. Fixed block; 5. Valve; 6. Publicity bag; 7. Third hinged structure; 8. Rubber. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] Reference Figure 1-4 The utility model provides an embodiment: a special work site notice board under an explosive work environment, comprising a front plate 1 and a rear plate 2, the upper ends of the front plate 1 and the rear plate 2 are provided with a first hinge structure 3, the lower ends of the front plate 1 and the rear plate 2 are provided with a second hinge structure 4, a notice bag 6 is provided at the lower end of the front side wall center of the front plate 1, the material of the notice bag 6 is set to fluorocarbon resin, and the material of the front plate 1 and the rear plate 2 is set to polytetrafluoroethylene. By setting the first hinge structure 3 and the second hinge structure 4, the use and carrying of the notice board can be better facilitated.

[0030] The first hinge structure 3 includes two connecting shafts 303, and the two ends of the two connecting shafts 303 are rotatably connected to the two inner side walls of the front plate 1 and the two inner side walls of the rear plate 2 respectively. The side walls of the two connecting shafts 303 are respectively sleeved with hollow cylinders 304 near the center, and the two connecting shafts 303 are respectively fixedly connected to the two hollow cylinders 304. The upper ends of the two hollow cylinders 304 are fixedly connected to the first connecting plate 301. The handles 302 are provided at the upper ends of the two inner side walls of the first connecting plate 301, and the handles 302 are fixedly connected to the first connecting plate 301.

[0031] By setting up the first hinge structure 3, the public notice board can be retracted and unfolded when in use, which is convenient to carry and use and more beautiful. The second hinge structure 4 includes two first sliding shafts 401, and the two first sliding shafts 401 are respectively arranged on one side of the lower end of the front plate 1 and the rear plate 2. The two first sliding shafts 401 are fixedly connected to the front plate 1 and the rear plate 2 respectively. One end of the first sliding shaft 401 at the lower end of the front plate 1 is provided with a first linkage plate 402, and the other end of the first sliding shaft 401 at the lower end of the rear plate 2 is provided with a second linkage plate 404. One end of the first linkage plate 402 and the second linkage plate 404 are rotatably connected to the two first sliding shafts 401 respectively. The other end of the front plate 1 and the other end of the second linkage plate 404 are rotatably connected by a bolt 403, and a fixing block 405 is provided on the other side of the other end of the second linkage plate 404, one end of the bolt 403 respectively penetrates the first linkage plate 402 and the second linkage plate 404 and is threadedly connected to the inner center of the fixing block 405, and the first linkage plate 402 is rotatably connected to the second linkage plate 404, and a third hinge structure 7 is provided on the other side of the lower end of the front plate 1 and the rear plate 2, and the hinge position of the third hinge structure 7 is opposite to that of the second hinge structure 4. By providing the second hinge structure 4 and the third hinge structure 7, the unfolded billboard can be supported when in use to make the billboard more stable.

[0032] A display bag 6 is provided at the lower end of the front side wall center of the front plate 1. The material of the display bag 6 is set to fluorocarbon resin. When in use, the contents of the display bag 6 can be protected, and the fluorocarbon resin material has excellent UV protection and chemical resistance, which can protect the eyes of viewers and prevent the contents of the display bag 6 from being unclear. Valves 5 are respectively provided at the upper and lower ends of one side of the front side wall of the front plate 1 and the upper and lower ends of the other side of the rear side wall of the rear plate 2. By setting the valve 5, when in use, the valve 5 can be opened to fill the inside of the display board with water to increase weight and provide stability. When not in use, the water can be drained to reduce weight. Rubber 8 is provided on the outer side walls of the lower ends of the front plate 1 and the rear plate 2. When in use, the friction of the display board to the contact surface can be increased, thereby stabilizing the display board. The material of the first linkage plate 402 and the second linkage plate 404 is set to aluminum alloy. Aluminum alloy is a lightweight metal with good thermal conductivity and electrical conductivity, as well as excellent mechanical properties. Polytetrafluoroethylene is a very stable material with good acid and alkali resistance and high temperature stability, and is suitable for explosion-proof environments.

[0033] Working principle: By setting up a first hinge structure 3, the upper ends of the front plate 1 and the rear plate 2 are hingedly connected to the connecting shaft 303 when in use, so that the bulletin board can be stored, and by setting up a second hinge structure 4 and a third hinge structure 7 at the lower end of the bulletin board, when in use, the torsion bolt 403 can be manipulated to loosen the bolt 403 and rotate the first linkage plate 402 and the second linkage plate 404. When unfolding the bulletin board, the bolt 403 is also manipulated to tighten the bolt 403, and the first linkage plate 402 and the second linkage plate 404 are rotated and unfolded, and then the bolt 403 is screwed on, and the first hinge structure 3 above can make the front plate 1 and the rear plate 2 rotate following the expansion and contraction of the bulletin board. By setting up the first hinge structure 3 and the second hinge structure 4, the bulletin board can be contracted and unfolded, which can make the use and carrying of the bulletin board more convenient.

[0034] By providing the rubber 8, during use, the friction between the public notice board and the contact surface can be increased, thereby stabilizing the public notice board. By providing the valve 5, the valve 5 can be opened to fill the inside of the public notice board with water when in use to increase the weight and provide stability. When not in use, the water can be drained to reduce the weight. By providing the public notice bag 6 and setting the material of the public notice bag 6 to fluorocarbon resin, the contents of the public notice bag 6 can be protected during use, and the fluorocarbon resin material has excellent UV protection and chemical resistance, which can protect the eyes of the viewer and prevent the contents of the public notice bag 6 from being unclear. By setting the material of the first linkage plate 402 and the second linkage plate 404 to aluminum alloy, aluminum alloy is a lightweight metal with excellent thermal conductivity and electrical conductivity, as well as excellent mechanical properties, and is suitable for explosion-proof environments. By setting the material of the front plate 1 and the rear plate 2 to polytetrafluoroethylene, polytetrafluoroethylene is a very stable material with excellent acid and alkali resistance and high temperature stability, and is suitable for explosion-proof environments.

[0035] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A special operation site notice board in an explosive operation environment, comprising a front plate (1) and a rear plate (2), characterized in that: The upper ends of the front plate (1) and the rear plate (2) are provided with a first hinge structure (3), the lower ends of the front plate (1) and the rear plate (2) are provided with a second hinge structure (4), a display bag (6) is provided at the center of the lower end of the front side wall of the front plate (1), the material of the display bag (6) is set to fluorocarbon resin, and the material of the front plate (1) and the rear plate (2) is set to polytetrafluoroethylene.

2. A special operation site notice board under an explosion operation environment according to claim 1, characterized in that: The first hinge structure (3) comprises two connecting shafts (303), the two ends of the two connecting shafts (303) are rotatably connected to the two inner side walls of the front plate (1) and the two inner side walls of the rear plate (2), the side walls of the two connecting shafts (303) are respectively sleeved with hollow cylinders (304) at the center, and the two connecting shafts (303) are respectively fixedly connected to the two hollow cylinders (304), the upper ends of the two hollow cylinders (304) are fixedly connected to the first connecting plate (301), and the two inner side walls of the first connecting plate (301) are provided with handles (302) at the upper ends, and the handles (302) are fixedly connected to the first connecting plate (301).

3. A special operation site notice board under an explosion operation environment according to claim 1, characterized in that: The second hinge structure (4) comprises two first sliding shafts (401), the two first sliding shafts (401) are respectively arranged on one side of the lower end of the front plate (1) and the rear plate (2), the two first sliding shafts (401) are respectively fixedly connected to the front plate (1) and the rear plate (2), one end of the first sliding shaft (401) at the lower end of the front plate (1) is provided with a first linkage plate (402), and the other end of the first sliding shaft (401) at the lower end of the rear plate (2) is provided with a second linkage plate (404), one end of the first linkage plate (402) and the second linkage plate (404) are respectively rotatably connected to the two first sliding shafts (401), and the first linkage plate The other end of the first linkage plate (402) and the other end of the second linkage plate (404) are rotatably connected by a bolt (403); a fixing block (405) is provided on the other side of the other end of the second linkage plate (404); one end of the bolt (403) passes through the first linkage plate (402) and the second linkage plate (404) respectively and is threadedly connected to the inner center of the fixing block (405); and the first linkage plate (402) and the second linkage plate (404) are rotatably connected; a third hinge structure (7) is provided on the other side of the lower end of the front plate (1) and the rear plate (2); and the hinge position of the third hinge structure (7) is opposite to that of the second hinge structure (4).

4. A special operation site notice board under an explosion operation environment according to claim 1, characterized in that: Valves (5) are respectively arranged at the upper and lower ends of one side of the front side wall of the front plate (1) and at the upper and lower ends of the other side of the rear side wall of the rear plate (2).

5. A special operation site notice board under an explosion operation environment according to claim 1, characterized in that: The lower outer side walls of the front plate (1) and the rear plate (2) are provided with rubber (8).

6. A special operation site notice board under an explosion operation environment according to claim 3, characterized in that: The material of the first linkage plate (402) and the second linkage plate (404) is set to be aluminum alloy.

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