Explosion-proof control box convenient to overhaul

Abstract

The utility model discloses an explosion-proof control box convenient to overhaul, relates to the technical field of explosion-proof control boxes, and aims to solve the problems that in the prior art, when the internal structure of the explosion-proof control box is overhauled, the internal space of a box body is narrow, hand parts and arm parts cannot be moved away during overhaul in the narrow space, and the overhaul is very inconvenient. A back plate is arranged at the rear end of the interior of the box body, a mounting frame is fixedly mounted on the front end face of the back plate, base plates are symmetrically arranged on the two sides of the lower portion of the back plate correspondingly and fixedly connected with the box body through screws, and guide grooves are symmetrically formed in the upper portions of the two sides of the back plate correspondingly. Guide grooves are formed in the back plate, guide strip plates are symmetrically and fixedly installed on the two sides of the upper portion in the box body, the guide strip plates penetrate through the guide grooves, a fixing plate is arranged below the back plate, the fixing plate is fixedly connected with the box body through screws, a fixing screw is installed below the fixing plate in a threaded mode, and the fixing screw penetrates through the fixing plate and makes contact with the back plate.

Description

Technical Field

[0001] The utility model relates to the technical field of explosion-proof control boxes, in particular to an explosion-proof control box which is easy to repair. Background Art

[0002] An explosion-proof control box is a box specially designed and manufactured for controlling and monitoring electrical equipment in explosive hazardous environments. It uses explosion-proof materials and structures to ensure safe and reliable operation in potentially explosive environments.

[0003] For example, the authorized patent with announcement number CN216930528U (explosion-proof control box): includes a box body, a front cover and a rear cover, two sets of symmetrically distributed support mechanisms are arranged inside the box body, and the support mechanisms include slide rails, support rods and drive components. The number of the slide rails is set to two, and the two slide rails are symmetrically distributed and respectively fixedly connected to the inner walls on both sides of the box body. The number of the support rods is set to two, and both ends of the support rods are fixedly connected with sliders, and the sliders are slidably connected to the slide rails;

[0004] Although the above-mentioned prior art is convenient for improving the compressive strength of the box, when inspecting the internal structure of the explosion-proof control box, the internal space of the box is small, and the hands and arms cannot move in the narrow space for inspection, which makes inspection very inconvenient; therefore, the market urgently needs to develop an explosion-proof control box that is easy to inspect to help people solve the existing problems. Utility Model Content

[0005] The purpose of the utility model is to provide an explosion-proof control box that is easy to maintain, so as to solve the problem raised in the above-mentioned background technology that when the internal structure of the explosion-proof control box is maintained, the internal space of the box is small, and the hands and arms cannot move around in the narrow space for maintenance, making maintenance very inconvenient.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an explosion-proof control box that is easy to maintain, comprising a box body, a back plate is provided at the rear end of the box body, a mounting frame is fixedly installed on the front end surface of the back plate, pads are symmetrically provided on both sides below the back plate, and the pads are fixedly connected to the box body by screws, guide grooves are symmetrically provided on the upper sides of both sides of the back plate, guide strips are symmetrically fixedly installed on both sides of the upper inside of the box body, and the guide strips pass through the guide grooves.

[0007] Preferably, a fixing plate is provided below the back plate, and the fixing plate is fixedly connected to the box body by screws, a fixing screw is threadedly installed below the fixing plate, and the fixing screw passes through the fixing plate and contacts the back plate, and a handwheel is fixedly installed below the fixing screw.

[0008] Preferably, refrigeration fins are symmetrically fixedly installed on both sides of the middle of the box body, a silicone thermal pad is provided inside the box body along one side of the refrigeration fin, a heat conducting plate is fixedly installed inside the box body along one side of the silicone thermal pad, and the heat conducting plate extends to the side of the box body, a heat sink is fixedly installed on one side of the heat conducting plate, and a plurality of heat sinks are provided.

[0009] Preferably, a door opening is provided at the front end of the box body, a door groove is provided inside the box body along the outer side of the door opening, a box door is provided inside the door groove, and a rubber pad is provided inside the door groove along the top of the box door.

[0010] Preferably, the interior of the box body is symmetrically provided with elastic cavities along both sides of the door groove, a block is provided inside the elastic cavity, and the block is fixedly connected to the box body, a plate seat 2 is provided on one side of the block, a compression spring is fixedly installed on one side of the plate seat 2, a plate seat 1 is fixedly installed on one side of the compression spring, a fixing rod is fixedly installed on one side of the plate seat 1, and fixing grooves are symmetrically provided on both sides of the box door, and the fixing rods are inserted into the interior of the fixing grooves.

[0011] Preferably, a straight rod is fixedly mounted on one side of the plate seat one, one end of the straight rod respectively passes through the compression spring, the plate seat two and the stopper and extends to the outside of the box body, and a disc is fixedly mounted on one side of the straight rod.

[0012] Preferably, reinforcing plates are symmetrically arranged on both sides of the front end of the box door, and the reinforcing plates are rotatably connected to the box body.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The utility model provides a back plate at the rear end of the box body, and installs a mounting frame on the back plate, so that when installing electrical components inside the explosion-proof control box, they can be installed on the back plate, and the back plate is movably provided, and under the action of the guide strip plate and the pad plate, the back plate can move back and forth in a straight line, and then when the internal structure of the explosion-proof control box is inspected and repaired, the back plate can be moved forward to drive the electrical components forward, and there is no need to extend the hands and arms into the box body, which increases the convenience of the inspection work and increases the practicality.

[0015] 2. The utility model symmetrically arranges refrigeration fins on both sides of the middle of the box body, so that the cold temperature can be dissipated inside the box body, which is beneficial to the heat dissipation inside the explosion-proof control box, and a silicone thermal pad and a thermal conductive plate are arranged on the other side of the refrigeration fin, so that the temperature of the heating surface of the refrigeration fin can be transferred out for heat dissipation, and the heat dissipation capacity is improved by setting up multiple heat sinks, which is beneficial to the stability of the operation of the refrigeration fin.

[0016] 3. The utility model is provided with a fixing rod, a plate seat 1, a compression spring, a plate seat 2, a stopper, a straight rod and a disc. When the box door needs to be opened, the straight rod is pulled by the disc to drive the plate seat 1 to move, so that the compression spring is compressed and the fixing rod is driven to move at the same time, so that the fixing rod is retracted from the fixing groove of the box door, so that the box door can be taken down, thereby increasing the convenience of disassembly and assembly of the box door. Compared with the traditional explosion-proof control box whose box door is installed by bolts, the utility model can improve the convenience of disassembly and assembly of the box door, which is beneficial to the maintenance of the explosion-proof control box. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of an explosion-proof control box that is easy to maintain according to the utility model;

[0018] Figure 2 It is a cross-sectional view of the box body of the utility model;

[0019] Figure 3 It is an enlarged schematic diagram of the A part of the utility model;

[0020] Figure 4 It is a cross-sectional view of the connection part between the box body and the box door of the utility model from a top view;

[0021] Figure 5 It is an enlarged schematic diagram of the B portion of the utility model.

[0022] In the figure: 1. box body; 101. door slot; 102. door opening; 103. spring cavity; 2. box door; 201. fixing groove; 3. reinforcing plate; 4. backing plate; 401. guide groove; 5. mounting frame; 6. guide strip; 7. pad; 8. fixing plate; 9. fixing screw; 10. hand wheel; 11. cooling plate; 12. silicone thermal pad; 13. thermal plate; 14. heat sink; 15. rubber pad; 16. fixing rod; 17. plate seat 1; 18. compression spring; 19. plate seat 2; 20. stopper; 21. straight rod; 22. disc. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] See also Figure 1-5The utility model provides an embodiment: an explosion-proof control box that is easy to maintain, including a box body 1, a back plate 4 is arranged at the rear end of the box body 1, a mounting frame 5 is fixedly installed on the front end surface of the back plate 4, pads 7 are symmetrically arranged on both sides below the back plate 4, and the pads 7 are fixedly connected to the box body 1 by screws, guide grooves 401 are symmetrically arranged on the upper sides of both sides of the back plate 4, guide strips 6 are symmetrically fixedly installed on both sides of the upper part of the box body 1, and the guide strips 6 penetrate the guide grooves 401, which can guide the movement of the back plate 4 so that the back plate 4 can move back and forth in a straight line.

[0025] During use, when inspecting the internal structure of the explosion-proof control box, the back plate 4 can be moved forward to drive the electrical components forward, and there is no need to put the hands and arms into the box body 1, which increases the convenience of the inspection work and solves the problem that when inspecting the internal structure of the explosion-proof control box, the internal space of the box body is small, and the hands and arms cannot be moved in the narrow space for inspection, which makes inspection very inconvenient, thereby increasing practicality.

[0026] Furthermore, a fixing plate 8 is provided below the back panel 4, and the fixing plate 8 is fixedly connected to the box body 1 by screws, a fixing screw 9 is threadedly installed below the fixing plate 8, and the fixing screw 9 passes through the fixing plate 8 and contacts with the back panel 4, a hand wheel 10 is fixedly installed below the fixing screw 9, and the fixing screw 9 is provided at the rear end of the box body 1, so that when the back panel 4 contacts with the rear end surface inside the box body 1, the position of the back panel 4 can be fixed by screwing the fixing screw 9.

[0027] Furthermore, refrigeration fins 11 are symmetrically fixedly installed on both sides of the middle of the box body 1. The refrigeration fins 11 are semiconductor refrigeration fins, and the cooling surface of the refrigeration fins 11 faces the inside of the box body 1. A silicone thermal pad 12 is arranged inside the box body 1 along one side of the refrigeration fin 11. A heat conducting plate 13 is fixedly installed inside the box body 1 along one side of the silicone thermal pad 12. The heat conducting plate 13 is made of die-cast aluminum alloy, and the heat conducting plate 13 extends to the side of the box body 1. A heat sink 14 is fixedly installed on one side of the heat conducting plate 13, and a plurality of heat sinks 14 are arranged. Through the arranged silicone thermal pad 12 and the heat conducting plate 13, the temperature of the heating surface of the refrigeration fin 11 can be transferred out for heat dissipation, and the plurality of heat sinks 14 are arranged to improve the heat dissipation capacity, which is beneficial to the working stability of the refrigeration fin 11.

[0028] Furthermore, a door opening 102 is provided at the front end of the box body 1, a door groove 101 is provided inside the box body 1 along the outer side of the door opening 102, a box door 2 is provided inside the door groove 101, and a rubber pad 15 is provided inside the door groove 101 along the top of the box door 2 to increase the sealing between the box body 1 and the box door 2.

[0029] Further, the inside of the box body 1 is symmetrically provided with elastic chambers 103 on both sides of the door groove 101, and a stopper 20 is provided inside the elastic chamber 103, and the stopper 20 is fixedly connected to the box body 1, and a plate seat 2 19 is provided on one side of the stopper 20, and a compression spring 18 is fixedly installed on one side of the plate seat 2 19, and a plate seat 17 is fixedly installed on one side of the compression spring 18, and a fixing rod 16 is fixedly installed on one side of the plate seat 17, and a fixing groove 201 is symmetrically provided on both sides of the box door 2, and the fixing rod 16 is inserted into the fixing groove 201, and a straight rod 21 is fixedly installed on one side of the plate seat 17, and the straight rod 2 One end of the straight rod 21 passes through the compression spring 18, the plate seat 19 and the stopper 20 respectively and extends to the outside of the box body 1. A disc 22 is fixedly installed on one side of the straight rod 21. The discs 22 on both sides pull the straight rods 21 on both sides to drive the plate seat 17 to move, so that the compression spring 18 is compressed, and at the same time drive the fixed rod 16 to move, so that the fixed rod 16 is retracted from the fixed groove 201 of the box door 2, so that the box door 2 can be taken down, which increases the convenience of disassembly and assembly of the box door 2. Compared with the traditional explosion-proof control box whose door is installed by bolts, it can improve the convenience of disassembly and assembly of the box door, which is beneficial to the maintenance of the explosion-proof control box.

[0030] Furthermore, reinforcing plates 3 are symmetrically arranged on both sides of the front end of the box door 2, and the reinforcing plates 3 are rotatably connected to the box body 1. The arrangement of the reinforcing plates 3 can increase the stability of the installation of the box door 2. When an explosion occurs inside the explosion-proof control box, the reinforcing plates 3 can prevent the box door 2 from being blown open and transmitting the explosion to the outside, thereby increasing the practicability of the explosion-proof control box.

[0031] Working principle: When in use, when the explosion-proof control box is being repaired, the reinforcing plate 3 is rotated to make the reinforcing plate 3 leave the front end of the box door 2, and then the straight rods 21 on both sides are pulled by the discs 22 on both sides respectively, driving the plate seat 17 to move, so that the compression spring 18 is compressed, and at the same time driving the fixing rod 16 to move, so that the fixing rod 16 is retracted from the fixing groove 201 of the box door 2, so that the box door 2 can be taken down, and then the fixing screw 9 is loosened by the hand wheel 10, and then the back plate 4 is moved forward to drive the electrical components on the back plate 4 to move forward for maintenance work, without the need to extend the hands and arms into the box body 1, which increases the convenience of maintenance work.

[0032] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. An explosion-proof control box that is easy to maintain, comprising a box body (1), characterized in that: A back plate (4) is provided at the rear end of the box body (1), a mounting frame (5) is fixedly mounted on the front end surface of the back plate (4), pads (7) are symmetrically arranged on both sides below the back plate (4), and the pads (7) are fixedly connected to the box body (1) by screws, guide grooves (401) are symmetrically arranged above both sides of the back plate (4), and guide strips (6) are symmetrically fixedly mounted on both sides of the upper part of the box body (1), and the guide strips (6) penetrate the guide grooves (401).

2. The explosion-proof control box that is easy to maintain according to claim 1 is characterized in that: A fixing plate (8) is provided below the back plate (4), and the fixing plate (8) is fixedly connected to the box body (1) by means of screws. A fixing screw (9) is threadedly installed below the fixing plate (8), and the fixing screw (9) passes through the fixing plate (8) and contacts the back plate (4). A hand wheel (10) is fixedly installed below the fixing screw (9).

3. The explosion-proof control box that is easy to maintain according to claim 1 is characterized in that: Refrigeration fins (11) are symmetrically fixedly installed on both sides of the middle of the box body (1), a silicone thermal pad (12) is arranged inside the box body (1) along one side of the refrigeration fin (11), a heat conducting plate (13) is fixedly installed inside the box body (1) along one side of the silicone thermal pad (12), and the heat conducting plate (13) extends to the side of the box body (1), and a heat sink (14) is fixedly installed on one side of the heat conducting plate (13), and a plurality of heat sinks (14) are arranged.

4. The explosion-proof control box that is easy to maintain according to claim 1 is characterized in that: A door opening (102) is provided at the front end of the box body (1), a door groove (101) is provided inside the box body (1) along the outer side of the door opening (102), a box door (2) is provided inside the door groove (101), and a rubber pad (15) is provided inside the door groove (101) along the upper side of the box door (2).

5. The explosion-proof control box that is easy to maintain according to claim 4 is characterized in that: The box body (1) is provided with elastic chambers (103) symmetrically on both sides of the door groove (101), the elastic chamber (103) is provided with a stopper (20) inside, and the stopper (20) is fixedly connected to the box body (1), a plate seat 2 (19) is provided on one side of the stopper (20), a compression spring (18) is fixedly installed on one side of the plate seat 2 (19), a plate seat 1 (17) is fixedly installed on one side of the compression spring (18), a fixing rod (16) is fixedly installed on one side of the plate seat 1 (17), and fixing grooves (201) are symmetrically provided on both sides of the box door (2), and the fixing rod (16) is inserted into the fixing groove (201).

6. The explosion-proof control box that is easy to maintain according to claim 5 is characterized in that: A straight rod (21) is fixedly mounted on one side of the plate seat 1 (17); one end of the straight rod (21) passes through the compression spring (18), the plate seat 2 (19) and the stopper (20) and extends to the outside of the box body (1); and a disc (22) is fixedly mounted on one side of the straight rod (21).

7. The explosion-proof control box that is easy to maintain according to claim 6 is characterized in that: Reinforcement plates (3) are symmetrically arranged on both sides of the front end of the box door (2), and the reinforcement plates (3) are rotatably connected to the box body (1).

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