Fireproof and explosion-proof protection box capable of reducing pollution
By setting rubber barrier sheets inside the fixed tube and an outer polypropylene layer at both ends of the explosion-proof box, combined with internal asbestos tiles and air insulation layers, the pollution problem caused by rain erosion of the explosion-proof box is solved, and the fire-proof, explosion-proof and environmentally friendly effects are achieved.
Patent Information
- Application Number
- CN202422737750.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-11
- Publication Date
- 2025-10-10
- Estimated Expiration
- 2034-11-11
AI Technical Summary
Existing fireproof and explosion-proof protective boxes are easily eroded by rainwater when installed outdoors for a long time, causing the packaging materials to corrode, and rainwater to enter the box and pollute the land.
Fixed pipes are set at both ends of the explosion-proof box. The inner wall of the fixed pipe is provided with a rubber barrier sheet. The outer surface is covered with a high-hardness polypropylene layer. Asbestos tiles and air insulation layers are set inside to prevent rainwater from entering and isolate high temperatures.
It effectively prevents rainwater from entering the box, avoids corrosion of the packaging material, reduces environmental pollution, and isolates the temperature under high temperature conditions to prevent the polypropylene layer from burning.
Smart Images

Figure CN223428139U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of fireproof and explosion-proof protection boxes, in particular to a fireproof and explosion-proof protection box capable of reducing pollution. Background Art
[0002] At present, for the middle connection of large cables, in order to make the connection more durable and achieve a longer service life, and at the same time prevent the connection from getting wet, catching fire, exploding and other dangerous situations during use, thereby affecting the safe use and operation of cable-related equipment, corresponding safety protection devices are generally installed at the middle connector;
[0003] A Chinese patent with publication number CN215990172U discloses an intelligent cable joint fireproof and explosion-proof protection box, which has a protection box shell. The protection box shell is provided with a ground wire outlet and an energy and pressure relief hole. The protection box shell wraps the middle joint of the cable in the middle, and the cables extend to both sides from both ends of the protection box shell. Fireproof belts are coated at the junction of the two ends of the protection box shell and the extended cables. The protection box shell is made of glass fiber material; several automatic fire extinguishing devices are arranged on the upper wall of the protection box shell along the length direction of the middle joint; fire-blocking kits are respectively provided at both ends of the interior of the protection box shell, and the fire-blocking kits include a fire-blocking bag and fire-blocking mud, wherein the fire-blocking bag is close to the middle joint, the fire-blocking mud is arranged next to the fire-blocking bag, and the fire-blocking mud and the fire-blocking bag are arranged at the outlet of the cables at both ends of the protection box shell; the fireproof and explosion-proof protection box is simple to install and has good fire and explosion prevention effects.
[0004] If the explosion-proof box of the above patent is installed outdoors for a long time, it will inevitably be corroded by rainwater. The wrapping material used to fix the cables in the explosion-proof box may be corroded by rainwater and fall to the ground mixed with rainwater, causing land pollution. Utility Model Content
[0005] The purpose of the utility model is to provide a fireproof and explosion-proof protection box with reduced pollution. Fixed tubes are provided at the through holes on both ends of the explosion-proof box, and rubber barrier sheets are provided on the inner walls of the fixed tubes. Each rubber barrier sheet is triangular and spliced together. When the cable is inserted into the explosion-proof box, the rubber barrier sheet can firmly wrap the cable, filling the gap between the cable and the through hole of the explosion-proof box to prevent external rainwater from entering the explosion-proof box. In addition, a polypropylene layer with relatively high hardness is provided on the outer surface of the explosion-proof box. Whether the polypropylene layer is burned or recycled, it will not pollute the environment, thereby solving the problems raised in the above-mentioned background technology.
[0006] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a fireproof and explosion-proof protective box that reduces pollution, comprising an upper box body, a second connecting plate provided at the rear end of the upper box body, a rotating hinge provided on one end of the second connecting plate, a first connecting plate provided on the end of the rotating hinge away from the second connecting plate, and a lower box body, the lower box body being provided on the first connecting plate, polypropylene layers being provided on the outer surfaces of the upper box body and the lower box body, first fixing tubes being provided at both ends of the upper box body, a first rubber blocking sheet being provided on the inner wall of the first fixing tube, and second fixing tubes being provided at both ends of the lower box body.
[0007] Preferably, a second rubber blocking sheet is provided on the inner wall of the second fixing tube, and the second rubber blocking sheet is adhesively connected to the second fixing tube.
[0008] Preferably, an asbestos tile is provided on one side of the upper box body, and the asbestos tile is adhesively connected to the upper box body.
[0009] Preferably, an air insulation layer is provided between the upper box body and the asbestos tile.
[0010] Preferably, a lock is provided between the upper box body and the lower box body.
[0011] Preferably, a groove is provided around the lock buckle.
[0012] Compared with the prior art, the beneficial effects of the present invention are as follows:
[0013] The utility model is provided with fixing tubes at the through holes on both ends of the explosion-proof box, and rubber blocking sheets are provided on the inner walls of the fixing tubes. Each piece of the rubber blocking sheets is triangular and spliced together. When the cable is inserted into the explosion-proof box, the rubber blocking sheets can firmly wrap the cable, filling the gap between the cable and the through hole of the explosion-proof box to prevent external rainwater from entering the explosion-proof box. In addition, a polypropylene layer with relatively high hardness is provided on the outer surface of the explosion-proof box. The polypropylene layer will not pollute the environment whether it is burned or recycled, and effectively avoids the problem that the existing explosion-proof box will inevitably be eroded by rainwater if it is installed in the outside for a long time, and the wrapping material used for fixing the cable in the explosion-proof box may be corroded by rainwater and fall into the ground mixed with rainwater, causing land pollution. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a schematic diagram of the overall external structure of the utility model;
[0015] Figure 2 This is a schematic diagram of the overall left-side structure of the present invention;
[0016] Figure 3 This is a schematic diagram of the upper box structure of the present utility model.
[0017] In the figure: 1, polypropylene layer; 2, upper box body; 3, first connecting plate; 4, rotating hinge; 5, second connecting plate; 6, lower box body; 7, first fixed tube; 8, first rubber blocking piece; 9, second fixed tube; 10, second rubber blocking piece; 11, lock catch; 12, groove; 13, air temperature insulation layer; 14, asbestos tile. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0019] In order to solve the problem that the existing explosion-proof box is inevitably eroded by rainwater if it is installed outside for a long time, and the wrapping material used to fix the cable in the explosion-proof box may be corroded by rainwater, mixed with rainwater and fall to the ground, which may cause pollution to the land, the present embodiment provides the following technical solutions:
[0020] A fireproof and explosion-proof protection box for reducing pollution, comprising an upper box body 2, the upper box body 2 is provided with a second connecting plate 5 at the rear end, the second connecting plate 5 is provided with a rotating hinge 4 at one end, the rotating hinge 4 is provided with a first connecting plate 3 at the end away from the second connecting plate 5, and further comprising a lower box body 6, the lower box body 6 is arranged on the first connecting plate 3, the outer surfaces of the upper box body 2 and the lower box body 6 are provided with a polypropylene layer 1, the upper box body 2 is provided with a first fixed tube 7 at both ends, the first fixed tube 7 is provided with a first rubber blocking piece 8 on the inner wall, the lower box body 6 is provided with a second fixed tube 9 at both ends, the second fixed tube 9 is provided with a second rubber blocking piece 10 on the inner wall, the second rubber blocking piece 10 is connected to the second fixed tube 9 by adhesion, the upper box body 2 is provided with an asbestos tile 14 on one side, the asbestos tile 14 is connected to the upper box body 2 by adhesion, an air temperature insulation layer 13 is arranged between the upper box body 2 and the asbestos tile 14, a lock catch 11 is arranged between the upper box body 2 and the lower box body 6, and a groove 12 is arranged around the lock catch 11.
[0021] In the present embodiment, please refer to Figure 1-Figure 3The fixed tube is provided with rubber blocking pieces on the inner wall, each of which is triangular and spliced together, and when the cable is inserted into the explosion-proof box, the rubber blocking pieces can tightly wrap the cable, fill the gap between the cable and the through hole of the explosion-proof box to prevent external rainwater from entering the explosion-proof box, and the outer surface of the explosion-proof box is provided with a polypropylene layer 1 with high hardness, which will not pollute the environment whether it is burned or recycled, and even if the cable breaks and explodes in the upper box body 2 and the lower box body 6, the asbestos tile 14 and the air temperature insulation layer 13 can also isolate the temperature in the explosion-proof box, and the asbestos tile 14 has the property of being non-combustible, so the high temperature in the explosion-proof box will not ignite the surface polypropylene layer 1;
[0022] Working principle: The fixed tube is provided with rubber blocking pieces on the inner wall, each of which is triangular and spliced together, and when the cable is inserted into the explosion-proof box, the rubber blocking pieces can tightly wrap the cable, fill the gap between the cable and the through hole of the explosion-proof box to prevent external rainwater from entering the explosion-proof box, and the outer surface of the explosion-proof box is provided with a polypropylene layer 1 with high hardness, which will not pollute the environment whether it is burned or recycled, and even if the cable breaks and explodes in the upper box body 2 and the lower box body 6, the asbestos tile 14 and the air temperature insulation layer 13 can also isolate the temperature in the explosion-proof box, and the asbestos tile 14 has the property of being non-combustible, so the high temperature in the explosion-proof box will not ignite the surface polypropylene layer 1.
[0023] It should be noted that in this text, relational terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.
[0024] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A fireproof and explosionproof protective box for reducing pollution, comprising an upper box body (2), a second connecting plate (5) being provided at the rear end of the upper box body (2), a rotary hinge (4) being provided at one end of the second connecting plate (5), and a first connecting plate (3) being provided at the end of the rotary hinge (4) away from the second connecting plate (5); Its characteristics are: The invention also comprises a lower box body (6), the lower box body (6) being arranged on the first connecting plate (3), the outer surfaces of the upper box body (2) and the lower box body (6) being provided with a polypropylene layer (1), both ends of the upper box body (2) being provided with a first fixing tube (7), the inner wall of the first fixing tube (7) being provided with a first rubber blocking sheet (8), and both ends of the lower box body (6) being provided with a second fixing tube (9).
2. The fireproof and explosion-proof protective box for reducing pollution according to claim 1, characterized in that: A second rubber blocking sheet (10) is provided on the inner wall of the second fixing tube (9), and the second rubber blocking sheet (10) is adhesively connected to the second fixing tube (9).
3. The fireproof and explosion-proof protective box with reduced pollution according to claim 1, characterized in that: An asbestos tile (14) is provided on one side of the upper box body (2), and the asbestos tile (14) is adhesively connected to the upper box body (2).
4. The fireproof and explosion-proof protective box with reduced pollution according to claim 3, characterized in that: An air insulation layer (13) is provided between the upper box body (2) and the asbestos tile (14).
5. The fireproof and explosion-proof protective box with reduced pollution according to claim 1, characterized in that: A lock buckle (11) is provided between the upper box body (2) and the lower box body (6).
6. The fireproof and explosion-proof protective box for reducing pollution according to claim 5, characterized in that: A groove (12) is provided around the lock buckle (11).
Citation Information
Patent Citations
Intelligent cable joint fireproof and explosion-proof protection box
CN215990172U