Coal mine electrical explosion-proof box convenient to overhaul
By introducing movable lighting tubes and mirrors into the electrical explosion-proof box in the coal mine, combined with the ventilation system, the problem of difficult-to-view electrical devices in dim environments has been solved, and a convenient maintenance process has been achieved.
Patent Information
- Application Number
- CN202520269259.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-20
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2035-02-20
AI Technical Summary
Existing explosion-proof electrical boxes in coal mines are difficult to inspect in dimly lit environments, and the fixed electrical devices are not convenient for maintenance, especially the back is difficult to inspect.
The explosion-proof enclosure is designed with a movable slot, lifting slot and moving opening. It is equipped with movable lighting tubes and mirrors, and combined with a ventilation system to achieve internal lighting and air circulation, making maintenance convenient.
It improves lighting conditions during maintenance, making it easier to inspect the back of electrical equipment, preventing odors from escaping, and enhancing the convenience and safety of maintenance.
Smart Images

Figure CN223583560U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of electrical explosion -proof box, specifically, relates to a coal mine electrical explosion -proof box convenient for overhauling. BACKGROUND
[0002] Electrical explosion -proof box is a kind of electrical equipment specially designed for dangerous environment, mainly used for the distribution and control of electric energy, can ensure the safe operation of power system in flammable, explosive or containing harmful gas place, and electrical explosion -proof box has been widely applied in coal industry.
[0003] Through the search, prior art (publication number: CN218514670U) a kind of coal mine electrical explosion -proof box, the "including box, the box bottom is fixedly installed with adapter box, the box top is fixedly installed with protective shell, the protective shell is internally provided with battery, the battery is fixedly installed in the box top rear side, the protective shell is internally provided with drive assembly, the box both sides are fixedly installed with fin, the box front side is fixedly installed with fixed frame, the fixed frame is internally provided with baffle, the box interior rear side is fixedly installed with circuit control element", but the environment used in prior art is relatively dim, light condition is poor, it is not conducive to view the structure inside electrical explosion -proof box, simultaneously, electrical device in the box interior is mostly fixed, inconvenient to check back, therefore, design a kind of coal mine electrical explosion -proof box convenient for overhauling is very necessary. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a kind of coal mine electrical explosion -proof box convenient for overhauling, solve the problem in the related art in the process of using environment is relatively dim, light condition is poor, it is not conducive to view the structure inside electrical explosion -proof box, simultaneously, electrical device in the box interior is mostly fixed, inconvenient to check back.
[0005] The technical scheme of the utility model is as follows:
[0006] A kind of coal mine electrical explosion -proof box convenient for overhauling, including explosion -proof box main part, the two side inner walls of explosion -proof box main part are all set up movable slot, the two sides of explosion -proof box main part are all set up lifting groove, the inner wall of movable slot is set up movable port, and movable port is connected with the inside of lifting groove, the two side inner walls of explosion -proof box main part are all set up moving port, the inside of lifting groove is clamped with support rod, and the one end of support rod is welded with hand push plate, the end of hand push plate away from support rod passes through movable port and extends to movable slot, the inner wall of lifting groove is equipped with a pair of clamping strip, and the two ends of support rod are respectively clamped with two clamping strips, the outer wall of support rod is welded with connecting rod, and the other end of connecting rod penetrates moving port and is screwed with lamp shade, the inside of lamp shade is screwed with fluorescent tube, the outer wall of lamp shade is screwed with mirror.
[0007] Preferably, the clamping strip is corrugated, and both ends of the clamping strip are screwed with telescopic rod bodies, and the other ends of the telescopic rod bodies are screwed and fixed with the inner wall of the lifting groove.
[0008] Preferably, the inner wall of the lifting groove is provided with a sliding groove, and the sliding groove is internally slidably provided with a sliding block, and the other end of the supporting rod is screwed and fixed with the sliding block.
[0009] Preferably, the bottom of the explosion-proof box body is provided with an exhaust chamber, and a plurality of ventilation holes are equidistantly formed in the top of the exhaust chamber, and a filter screen is welded in the ventilation hole.
[0010] Preferably, the bottom of the exhaust chamber is screwed with an exhaust fan, the bottom end face of the explosion-proof box body is welded with a support column around, and the explosion-proof box body is hinged with a box door.
[0011] Preferably, the telescopic rod body is a spring telescopic rod.
[0012] Preferably, the lighting lamp tube is an LED lamp tube, and the lighting lamp tube is internally provided with a power supply, and the lampshade is a heat sink.
[0013] Preferably, the outer wall of the explosion-proof box body is sprayed with anticorrosive paint.
[0014] The utility model discloses the beneficial effect:
[0015] 1, by pulling the hand push board can make the supporting rod in the lifting groove down, and the supporting rod will extrude the clamping strip when down and make the telescopic rod body contract, and the position of the supporting rod can be fixed by using the recess on the clamping strip, and the connecting rod can be moved in the moving port by the supporting rod, and the lampshade and the mirror can be moved synchronously in the explosion-proof box body by the connecting rod, and the brightness in the explosion-proof box body can be increased by the lighting lamp tube, and the staff can be conveniently overhauled, and the mirror can assist the staff to check the back of the device in the explosion-proof box body, and the convenience of overhauling work is provided.
[0016] 2, the moving track of the supporting rod can be limited by the sliding groove and the sliding block, the air in the explosion-proof box body can be made into the exhaust chamber by the ventilation hole, the filter screen can play the role of filtering air, and the air in the explosion-proof box body can be extracted by the exhaust fan, so that the staff is not adapted when opening the box door and overhauling, and the peculiar smell gas in the explosion-proof box body is discharged. DRAWINGS
[0017] The utility model makes further detailed explanation in combination with the drawings and specific embodiment.
[0018] Figure 1 It is the whole isometric view of the utility model;
[0019] Figure 2A bottom structure schematic view of the utility model shows that
[0020] Figure 3 A whole front view of the utility model shows that
[0021] Figure 4 A whole vertical section view of the utility model shows that
[0022] Figure 5 A whole horizontal section view of the utility model shows that
[0023] In the drawing: 1, explosion-proof box main part;2, movable groove;3, lifting groove;4, movable mouth;5, moving mouth;6, support rod;7, hand push plate;8, clamping strip;9, connecting rod;10, lamp shade;11, lighting lamp tube;12, mirror;13, sliding groove;14, sliding block;15, exhaust warehouse;16, air vent;17, filter screen;18, exhaust fan;19, support column;20, box door;21, telescopic rod main body. DETAILED DESCRIPTION
[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the embodiments of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are involved in the protection scope of the utility model.
[0025] As Figures 1-5As shown, the embodiment proposes a coal mine electrical explosion-proof box convenient to overhaul, including explosion-proof box body 1, the both sides inner walls of explosion-proof box body 1 are all set up movable slot 2, the both sides of explosion-proof box body 1 are all set up lifting groove 3, the inner wall of movable slot 2 is set up movable mouth 4, and movable mouth 4 is communicated with the inside of lifting groove 3, the both sides inner walls of explosion-proof box body 1 are all set up moving mouth 5, lifting groove 3's inside is clamped with support 6, and one end of support 6 is welded with hand push plate 7, the end of hand push plate 7 away from support 6 passes through movable mouth 4 and extends to movable slot 2, the inner wall of lifting groove 3 is equipped with a pair of clamping strips 8, and the both ends of support 6 are clamped with two clamping strips 8 respectively, the outer wall of support 6 is welded with connecting rod 9, and the other end of connecting rod 9 penetrates moving mouth 5 and is screwed with lampshade 10, the inside of lampshade 10 is screwed with fluorescent tube 11, the outer wall of lampshade 10 is screwed with mirror 12, clamping strip 8 is corrugated, and the both ends of clamping strip 8 are screwed with telescopic rod body 21, the other end of telescopic rod body 21 is screwed with the inner wall of lifting groove 3 and is fixed, clamping strip 8 can be fixed through telescopic rod body 21, the inner wall of lifting groove 3 is set up sliding slot 13, and the inside of sliding slot 13 is slidably installed with sliding block 14, the other end of support 6 is screwed with sliding block 14 and is fixed, the moving track of support 6 can be limited through sliding slot 13 and sliding block 14, the bottom of explosion-proof box body 1 is equipped with exhaust bin 15, and a plurality of ventilation holes 16 are equidistantly set up on the top of exhaust bin 15, the inside of ventilation hole 16 is welded with filter screen 17, the air in explosion-proof box body 1 can enter exhaust bin 15 through ventilation hole 16, filter screen 17 can play the role of filtering air, the bottom of exhaust bin 15 is screwed with exhaust fan 18, the bottom end face of explosion-proof box body 1 is all welded with support column 19, the hinge of explosion-proof box body 1 is equipped with box door 20, the air in explosion-proof box body 1 can be extracted using exhaust fan 18, to avoid the smell gas in explosion-proof box body 1 from being scattered when the staff opens box door 20 for overhaul, telescopic rod body 21 is spring telescopic rod, fluorescent tube 11 is LED lamp tube, and the inside of fluorescent tube 11 is built-in power supply, lampshade 10 is heat sink, the outer wall of explosion-proof box body 1 is sprayed with anticorrosive paint, which is conducive to improving the corrosion resistance of the outer surface of explosion-proof box body 1, and can increase the service life.
[0026] In use, the support rod 6 can be moved downward in the lifting groove 3 by pulling the hand-pushing plate 7 through opening the box door 20, and the support rod 6 can extrude the clamping strip 8 to make the telescopic rod body 21 contract when the support rod 6 is moved downward, so that the support rod 6 is conveniently moved, the position of the support rod 6 can be fixed by the groove on the clamping strip 8, the connecting rod 9 can be moved in the moving port 5 through the support rod 6, the lampshade 10 and the mirror 12 can be synchronously moved in the explosion-proof box body 1 through the connecting rod 9, the brightness in the explosion-proof box body 1 can be increased through the lighting lamp tube 11, so that the staff can conveniently overhaul, and the mirror 12 can assist the staff to view the back of the device in the explosion-proof box body 1, the moving track of the support rod 6 can be limited through the sliding groove 13 and the sliding block 14, the air in the explosion-proof box body 1 can enter into the exhaust bin 15 through the ventilation hole 16, the filter screen 17 can play a role in filtering air, and the air in the explosion-proof box body 1 can be extracted through the exhaust fan 18, so that the staff is not caused to be uncomfortable when opening the box door 20 to overhaul due to the odor gas in the explosion-proof box body 1 being discharged.
[0027] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A coal mine electrical explosion-proof box convenient for maintenance, comprising an explosion-proof box body (1), characterized in that, The explosion-proof box body (1) has movable grooves (2) on both sides of its inner wall, and lifting grooves (3) on both sides of its inner wall. Movable openings (4) are provided on the inner wall of the movable grooves (2), and the openings (4) are connected to the interior of the lifting grooves (3). Movable openings (5) are provided on both sides of the inner wall of the explosion-proof box body (1). A support rod (6) is engaged inside the lifting groove (3), and a push plate (7) is welded to one end of the support rod (6). The push plate (7) is located far from... One end of the support rod (6) passes through the movable opening (4) and extends into the movable groove (2). The inner wall of the lifting groove (3) is provided with a pair of locking strips (8), and both ends of the support rod (6) are respectively engaged with the two locking strips (8). A connecting rod (9) is welded to the outer wall of the support rod (6), and the other end of the connecting rod (9) passes through the movable opening (5) and is screwed with a lampshade (10). A lighting tube (11) is screwed into the inside of the lampshade (10), and a mirror (12) is screwed into the outer wall of the lampshade (10).
2. The electrical explosion-proof box for coal mine convenient to overhaul according to claim 1, characterized in that, The card strip (8) is corrugated, and both ends of the card strip (8) are screwed with telescopic rod bodies (21). The other end of the telescopic rod bodies (21) is screwed and fixed to the inner wall of the lifting groove (3).
3. The electrical explosion-proof box for coal mine convenient to overhaul according to claim 1, characterized in that, The inner wall of the lifting groove (3) is provided with a sliding groove (13), and a slider (14) is slidably installed inside the sliding groove (13). The other end of the support rod (6) is screwed and fixed to the slider (14).
4. The electrical explosion-proof box for coal mine convenient to overhaul according to claim 1, characterized in that, The bottom of the explosion-proof box body (1) is provided with an exhaust chamber (15), and the top of the exhaust chamber (15) is provided with a number of ventilation holes (16) at equal intervals. The ventilation holes (16) are welded with filter screens (17).
5. The electrical explosion-proof box for coal mine convenient to overhaul according to claim 4, characterized in that, The bottom of the ventilation chamber (15) is screwed with an exhaust fan (18), and the bottom end face of the explosion-proof box body (1) is welded with support columns (19). The explosion-proof box body (1) is hinged with a box door (20).
6. The electrical explosion-proof box for coal mine convenient to overhaul according to claim 2, characterized in that, The main body (21) of the telescopic rod is a spring-type telescopic rod.
7. The electrical explosion-proof box for coal mine convenient to overhaul according to claim 1, characterized in that, The lighting tube (11) is an LED tube, and the lighting tube (11) has a built-in power supply. The lamp cover (10) is a heat sink.
8. The electrical explosion-proof box for coal mine convenient to overhaul according to claim 1, characterized in that, The outer wall of the explosion-proof box body (1) is coated with anti-corrosion paint.
Citation Information
Patent Citations
Electric explosion-proof box for coal mine
CN218514670U