Impact-resistant explosion-proof box based on multi-layer design

Abstract

The utility model relates to the technical field of explosion-proof boxes, and discloses a shock-resistant explosion-proof box based on multilayer design, which solves the problem of poor shock resistance of the existing explosion-proof box, and comprises an explosion-proof box body and an explosion-proof mounting rack, the explosion-proof box body is fixedly connected to the inside of the explosion-proof mounting rack, and the explosion-proof box body is fixedly connected to the inside of the explosion-proof mounting rack. The explosion-proof box body is composed of a box body, a sealing cover, a safety cover and a cover plate, the sealing cover is connected to the front face of the box body through a plurality of first bolts, the safety cover is welded to the side, away from the box body, of the sealing cover, the cover plate is connected to the side, away from the sealing cover, of the safety cover, an explosion-proof installation chamber is formed between the box body and the sealing cover, and a safety chamber is formed among the sealing cover, the safety cover and the cover plate. Through the explosion-proof box, the explosion-proof performance and the impact resistance can be improved, and the use safety is further improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of explosion-proof boxes, in particular to an impact-resistant explosion-proof box based on a multi-layer design. Background Art

[0002] An explosion-proof box is a safety device that is indispensable in the petrochemical, coal mining, pharmaceutical and other industries. There are many types of explosion-proof boxes, such as explosion-proof junction boxes, explosion-proof distribution cabinets, explosion-proof control boxes, etc.

[0003] Existing explosion-proof boxes are usually formed by welding thickened steel plates, and the explosion-proof function is achieved by increasing the thickness of the shell. The structure is relatively simple, the impact absorption and resistance ability is poor, and the protection is poor, which affects the use effect and safety of use. Therefore, the present application proposes an impact-resistant explosion-proof box based on a multi-layer design, which improves the existing explosion-proof box, improves the overall impact resistance of the explosion-proof box, and thereby improves the safety of use. Utility Model Content

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides an impact-resistant explosion-proof box based on a multi-layer design, which effectively solves the problem that the existing explosion-proof boxes have poor impact resistance.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an impact-resistant explosion-proof box based on a multi-layer design, comprising an explosion-proof box body and an explosion-proof mounting frame, wherein the explosion-proof box body is fixedly connected to the inside of the explosion-proof mounting frame, the explosion-proof box body is composed of a box body, a cover, a safety cover and a cover plate, the cover is connected to the front of the box body by a plurality of bolts, the safety cover is welded to a side of the cover away from the box body, the cover plate is connected to a side of the safety cover away from the cover, an explosion-proof mounting room is formed between the box body and the cover, and a safety room is formed between the cover, the safety cover and the cover plate.

[0006] Preferably, a plurality of screw holes 1 matching with bolts 1 are provided on the side edge of the front side of the box body, and a plurality of screw holes 2 matching with explosion-proof mounting brackets are provided on the side edge of the cover.

[0007] Preferably, the explosion-proof mounting frame is composed of a reinforcement frame, a plurality of L-shaped bolt mounting seats and a plurality of side tie rods. The reinforcement frame is sleeved on the outer surface of the box body and welded thereto, the L-shaped bolt mounting seat is welded to one side of the reinforcement frame, and the side tie rod is welded to the other side of the reinforcement frame. The side tie rod is connected to the cover through a plurality of bolts 2, and the bolts 2 match the screw holes 2.

[0008] Preferably, the box body and the cover are both composed of a thickened steel plate outer layer, an electrostatically sprayed outer layer, an aluminum alloy honeycomb buffer layer, a plurality of buffer assemblies and a steel plate inner layer, the electrostatically sprayed outer layer is fixedly connected to the outer surface of the thickened steel plate outer layer, the aluminum alloy honeycomb buffer layer is fixedly connected to the inner surface of the thickened steel plate outer layer, and the steel plate inner layer is connected to the interior of the aluminum alloy honeycomb buffer layer through the buffer assembly.

[0009] Preferably, the buffer assembly is composed of a buffer metal ring 1, a buffer metal ring 2, an arc-shaped buffer elastic plate 1, an arc-shaped buffer elastic plate 2 and a deformable metal center plate, the buffer metal ring 1 is fixedly connected to the aluminum alloy honeycomb buffer layer, the buffer metal ring 2 is fixedly connected to the inner layer of the steel plate, the arc-shaped buffer elastic plate 1 and the arc-shaped buffer elastic plate 2 are both fixedly connected between the buffer metal ring 1 and the buffer metal ring 2, and the deformable metal center plate is welded and connected between the arc-shaped buffer elastic plate 1 and the arc-shaped buffer elastic plate 2.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] (1) During operation, by providing an explosion-proof box body consisting of a box body, a sealing cover, a safety cover and a cover plate, and providing an explosion-proof installation room and a safety room, explosive equipment and conventional equipment can be installed separately, and the overall installation strength is improved to improve the explosion-proof performance. By providing an explosion-proof installation frame consisting of a reinforcement frame, a plurality of L-shaped bolt mounting seats and a plurality of side tie rods, the explosion-proof box body can be installed and reinforced, further improving the explosion-proof effect;

[0012] (2) By providing a box body and a cover composed of a thickened steel plate outer layer, an electrostatically sprayed outer layer, an aluminum alloy honeycomb buffer layer, a plurality of buffer assemblies and a steel plate inner layer, the buffer effect can be improved, thereby improving the overall impact resistance. By providing a buffer assembly composed of a buffer metal ring 1, a buffer metal ring 2, an arc-shaped buffer elastic plate 1, an arc-shaped buffer elastic plate 2 and a deformable metal center plate, multiple buffers can be achieved and safety can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0014] In the attached picture:

[0015] Figure 1 This is a schematic diagram of the structure of an impact-resistant explosion-proof box based on a multi-layer design of the utility model;

[0016] Figure 2 This is a schematic diagram of the main structure of the explosion-proof box of the utility model;

[0017] Figure 3This is a schematic diagram of the structure of the explosion-proof mounting frame of the utility model;

[0018] Figure 4 This is a schematic diagram of the box layer structure of the utility model;

[0019] Figure 5 This is a schematic diagram of the structure of the buffer assembly of the utility model;

[0020] In the figure: 1. explosion-proof box body; 2. explosion-proof mounting frame; 3. box body; 4. cover; 5. safety cover; 6. cover plate; 7. bolt one; 8. explosion-proof mounting room; 9. safety room; 10. screw hole one; 11. screw hole two; 12. reinforcement frame; 13. L-shaped bolt mounting seat; 14. side pull rod; 15. bolt two; 16. thickened steel plate outer layer; 17. electrostatic spraying outer layer; 18. aluminum alloy honeycomb buffer layer; 19. buffer assembly; 20. steel plate inner layer; 21. buffer metal ring one; 22. buffer metal ring two; 23. arc-shaped buffer elastic plate one; 24. arc-shaped buffer elastic plate two; 25. deformable metal center plate. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0022] Depend on Figure 1 and Figure 2 The utility model provides an impact-resistant explosion-proof box based on a multi-layer design, comprising an explosion-proof box body 1 and an explosion-proof mounting frame 2, wherein the explosion-proof box body 1 is fixedly connected to the inside of the explosion-proof mounting frame 2, the explosion-proof box body 1 is composed of a box body 3, a cover 4, a safety cover 5 and a cover plate 6, the cover 4 is connected to the front of the box body 3 by a plurality of bolts 7, the safety cover 5 is welded to a side of the cover 4 away from the box body 3, the cover plate 6 is connected to a side of the safety cover 5 away from the cover 4, an explosion-proof mounting chamber 8 is formed between the box body 3 and the cover 4, and a safety chamber 9 is formed between the cover 4 and the safety cover 5 and the cover plate 6;

[0023] When in use, the explosion-proof box body 1 is installed inside the explosion-proof mounting frame 2, and the explosion-proof box body 1 is supported and fixed by the explosion-proof mounting frame 2, and has a reinforcement performance, which improves the explosion-proof effect. By setting the explosion-proof installation room 8, it is possible to install explosive equipment, and conventional equipment can be installed through the safety room 9. Through classified installation, it is also convenient for staff to operate;

[0024] Depend on Figures 1 to 3It is given that a plurality of screw holes 10 matching with the bolts 7 are provided on the side edge of the front of the box body 3, a plurality of screw holes 11 matching with the explosion-proof mounting frame 2 are provided on the side edge of the cover 4, the explosion-proof mounting frame 2 is composed of a reinforcement frame 12, a plurality of L-shaped bolt mounting seats 13 and a plurality of side tie rods 14, the reinforcement frame 12 is sleeved on the outer surface of the box body 3 and welded thereto, the L-shaped bolt mounting seat 13 is welded to one side of the reinforcement frame 12, the side tie rod 14 is welded to the other side of the reinforcement frame 12, the side tie rod 14 is connected to the cover 4 through a plurality of bolts 15, and the bolts 15 match with the screw holes 11;

[0025] The box body 3 can be reinforced and installed by the reinforcement frame 12 to further improve the explosion-proof effect. The explosion-proof box can be installed to a specified position by the L-shaped bolt mounting seat 13. The cover 4 can be pulled by the side pull rod 14 to improve the explosion-proof performance of the cover 4.

[0026] Depend on Figure 2 , Figure 4 and Figure 5 The box body 3 and the cover 4 are both composed of a thickened steel plate outer layer 16, an electrostatically sprayed outer layer 17, an aluminum alloy honeycomb buffer layer 18, a plurality of buffer assemblies 19 and a steel plate inner layer 20. The electrostatically sprayed outer layer 17 is fixedly connected to the outer surface of the thickened steel plate outer layer 16, the aluminum alloy honeycomb buffer layer 18 is fixedly connected to the inner surface of the thickened steel plate outer layer 16, the steel plate inner layer 20 is connected to the inside of the aluminum alloy honeycomb buffer layer 18 through the buffer assembly 19, and the buffer assembly 19 is composed of a buffer metal ring 21, a buffer metal ring The arc-shaped buffer elastic plate 1 22, the arc-shaped buffer elastic plate 1 23, the arc-shaped buffer elastic plate 24 and the deformable metal center plate 25 are composed of the buffer metal ring 1 21 and the aluminum alloy honeycomb buffer layer 18, the buffer metal ring 22 and the steel plate inner layer 20 are fixedly connected, the arc-shaped buffer elastic plate 1 23 and the arc-shaped buffer elastic plate 24 are fixedly connected between the buffer metal ring 1 21 and the buffer metal ring 2 22, and the deformable metal center plate 25 is welded and connected between the arc-shaped buffer elastic plate 1 23 and the arc-shaped buffer elastic plate 24;

[0027] By thickening the outer layer 16 and the inner layer 20 of the steel plate, the overall strength can be improved, and thus the explosion-proof performance can be improved. By electrostatically spraying the outer layer 17, the aesthetics and corrosion resistance can be improved. By using the aluminum alloy honeycomb buffer layer 18 and the buffer assembly 19, the overall buffering performance can be improved, and thus the impact resistance can be improved. When the equipment inside the explosion-proof box explodes, the impact force is transmitted to the inner layer 20 of the steel plate, and then to the buffer assembly 19 and the aluminum alloy honeycomb buffer layer 18. At this time, the deformable metal center plate 25 is stressed to the limit value and undergoes elastic bending, thereby achieving primary buffering. The arc-shaped buffer elastic plate 1 23 and the arc-shaped buffer elastic plate 2 24 are deformed to achieve secondary buffering. When the arc-shaped buffer elastic plate 1 23 and the arc-shaped buffer elastic plate 2 24 are deformed to the limit value, the buffer metal ring 1 21 and the buffer metal ring 2 22 undergo compression deformation, thereby achieving tertiary buffering, thereby improving the overall buffering and impact resistance.

[0028] During operation, by providing an explosion-proof box body consisting of a box body, a cover, a safety cover and a cover plate, as well as an explosion-proof installation room and a safety room, explosive equipment and conventional equipment can be installed separately, and the explosion-proof performance can be improved by improving the overall installation strength. By providing an explosion-proof mounting frame consisting of a reinforcement frame, a plurality of L-shaped bolt mounting seats and a plurality of side pull rods, the explosion-proof box body can be installed and reinforced, thereby further improving the explosion-proof effect. By providing a box body and a cover consisting of a thickened steel plate outer layer, an electrostatically sprayed outer layer, an aluminum alloy honeycomb buffer layer, a plurality of buffer assemblies and a steel plate inner layer, the buffer effect can be improved, thereby improving the overall impact resistance. By providing a buffer assembly consisting of a buffer metal ring 1, a buffer metal ring 2, an arc-shaped buffer elastic plate 1, an arc-shaped buffer elastic plate 2 and a deformable metal center plate, multiple buffers can be achieved, thereby improving safety.

Claims

1. An impact-resistant explosion-proof box based on a multi-layer design, comprising an explosion-proof box body (1) and an explosion-proof mounting frame (2), characterized in that: The explosion-proof box body (1) is fixedly connected to the inside of the explosion-proof mounting frame (2). The explosion-proof box body (1) is composed of a box body (3), a cover (4), a safety cover (5) and a cover plate (6). The cover (4) is connected to the front of the box body (3) by a plurality of bolts (7). The safety cover (5) is welded to a side of the cover (4) away from the box body (3). The cover plate (6) is connected to a side of the safety cover (5) away from the cover (4). An explosion-proof mounting room (8) is formed between the box body (3) and the cover (4). A safety room (9) is formed between the cover (4), the safety cover (5) and the cover plate (6).

2. The impact-resistant explosion-proof box based on a multi-layer design according to claim 1 is characterized in that: The side edge of the front side of the box body (3) is provided with a plurality of screw holes (10) matching with the bolts (7), and the side edge of the cover (4) is provided with a plurality of screw holes (11) matching with the explosion-proof mounting frame (2).

3. The impact-resistant explosion-proof box based on a multi-layer design according to claim 2 is characterized in that: The explosion-proof mounting frame (2) is composed of a reinforcement frame (12), a plurality of L-shaped bolt mounting seats (13) and a plurality of side tie rods (14); the reinforcement frame (12) is sleeved on the outer surface of the box body (3) and welded thereto; the L-shaped bolt mounting seat (13) is welded to one side of the reinforcement frame (12); the side tie rod (14) is welded to the other side of the reinforcement frame (12); the side tie rod (14) is connected to the cover (4) through a plurality of bolts (15); the bolts (15) match the screw holes (11).

4. The impact-resistant explosion-proof box based on a multi-layer design according to claim 1 is characterized in that: The box body (3) and the cover (4) are both composed of a thickened steel plate outer layer (16), an electrostatically sprayed outer layer (17), an aluminum alloy honeycomb buffer layer (18), a plurality of buffer assemblies (19) and a steel plate inner layer (20); the electrostatically sprayed outer layer (17) is fixedly connected to the outer surface of the thickened steel plate outer layer (16); the aluminum alloy honeycomb buffer layer (18) is fixedly connected to the inner surface of the thickened steel plate outer layer (16); and the steel plate inner layer (20) is connected to the interior of the aluminum alloy honeycomb buffer layer (18) through the buffer assembly (19).

5. The impact-resistant explosion-proof box based on multi-layer design according to claim 4 is characterized in that: The buffer assembly (19) is composed of a buffer metal ring (21), a buffer metal ring (22), an arc-shaped buffer elastic plate (23), an arc-shaped buffer elastic plate (24) and a deformable metal center plate (25); the buffer metal ring (21) is fixedly connected to the aluminum alloy honeycomb buffer layer (18); the buffer metal ring (22) is fixedly connected to the steel plate inner layer (20); the arc-shaped buffer elastic plate (23) and the arc-shaped buffer elastic plate (24) are both fixedly connected between the buffer metal ring (21) and the buffer metal ring (22); and the deformable metal center plate (25) is welded between the arc-shaped buffer elastic plate (23) and the arc-shaped buffer elastic plate (24).

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