A low voltage explosion-proof lighting control box
By designing a convenient cover removal structure and effective moisture-proof measures in the explosion-proof lighting control box, the problem of inconvenient maintenance and insufficient moisture-proof effect of explosion-proof lighting control box in the prior art is solved, and a more efficient maintenance and a more stable use environment is achieved.
Patent Information
- Application Number
- CN202420770095.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-15
- Publication Date
- 2025-04-11
- Estimated Expiration
- 2034-04-15
AI Technical Summary
During use, the existing explosion-proof lighting control box is not convenient to disassemble and install the cover plate, which leads to difficulty in maintenance of internal components. At the same time, the internal moisture-proof effect of the explosion-proof control box is insufficient, which easily leads to short-circuit damage to components in humid environments.
A low-pressure explosion-proof lighting control box is designed, adopting a plug-in structure between bumps and grooves and a plug-in structure between plugs and cover plates, which facilitates the removal and installation of cover plates; at the same time, a bagged desiccant and limiting mechanism are installed inside the control box to ensure the effective use and replacement of desiccant.
It realizes the convenient disassembly and installation of the cover plate of the explosion-proof lighting control box, which facilitates the maintenance of the internal structure; through the use of bagged desiccant, the moisture-proof effect inside the control box is improved, and the components short circuit caused by moisture are avoided.
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Figure CN222750671U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of lighting control boxes, in particular to a low-voltage explosion-proof lighting control box. Background Art
[0002] The explosion-proof lighting control box is used in some production environments where electric sparks are not allowed to be generated. The utility model patent with the patent authorization announcement number CN218846059U discloses a low-voltage explosion-proof lighting device for oilfield well repair, including a device body, the device body includes a lamp holder, an explosion-proof control box is installed at the center of one side of the lamp holder, a heat dissipation bramble is fixedly connected to one side of the lamp holder and located at the top and bottom of the explosion-proof control box, a connector is fixedly connected to one side of the lamp holder and located at both sides adjacent to the explosion-proof control box and the heat dissipation bramble, a support rod is connected and installed between the two connectors, a protective plate is connected and installed on the side of the lamp holder away from the explosion-proof control box through a locking member that can facilitate maintenance work, and a limited position hole is provided on the side of the protective plate away from the lamp holder. By setting the locking member, the low-voltage explosion-proof lighting device for oilfield well repair can be easily repaired and replaced after the lighting lamp is damaged after being used for a period of time, and the operation is simple and convenient, which provides convenience for the user's maintenance work.
[0003] In the above prior art, during the use of the explosion-proof control box, the explosion-proof control box and the installation cover are connected and fixed by expansion bolts. Although the connection is stable, the expansion bolts are difficult to remove, which makes it inconvenient to remove the installation cover and to inspect and maintain the components inside the explosion-proof control box. In addition, the explosion-proof control box has insufficient moisture-proof effect. When used in a humid environment, moisture can easily cause short-circuit damage to the components. Therefore, improvements are needed. Utility Model Content
[0004] The utility model aims to provide a low-voltage explosion-proof lighting control box, which solves the problem of inconvenience in repairing and maintaining components inside the explosion-proof control box and also solves the problem of insufficient moisture-proof effect inside the explosion-proof control box.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a low-voltage explosion-proof lighting control box, comprising a control box, a mounting plate fixedly sleeved on the outer side of the control box, a mounting hole opened inside the mounting plate, a front end of the control box contacts a cover plate, a protrusion is fixedly connected to the back of the cover plate, the protrusion is slidably connected to the control box, a connecting block is slidably sleeved inside the upper end of the control box, a handle is fixedly connected to the top of the connecting block, a fixing frame is fixedly connected to the lower end of the connecting block, the interior of the fixing frame contacts with a bagged desiccant, the upper end of the bagged desiccant contacts with a magnetic pressure strip, the magnetic pressure strip is adsorbed to the fixing frame, a connecting mechanism is provided on the cover plate, and a limiting mechanism is provided on the connecting block.
[0006] Preferably, there are multiple mounting holes, and the multiple mounting holes are evenly distributed on the mounting plate. By designing the mounting holes, it is convenient to install and fix the mounting plate.
[0007] Preferably, a groove is provided inside the front end of the control box, and a convex block is slidably connected inside the groove. The groove is designed so that the convex block can slide in the groove.
[0008] Preferably, the connection mechanism includes a fixed seat, the left and right ends of the control box are fixedly connected with the fixed seat, the fixed seat is in contact with the cover plate, the inside of the fixed seat is slidably connected with a push rod, the push rod is slidably connected with the control box, the front end of the push rod is fixedly connected with a push rod, the push rod is slidably connected with the control box and the cover plate respectively, the outer side of the push rod is slidably sleeved with an insert block, the insert block is slidably connected with the fixed seat and the cover plate respectively, and the inside of the fixed seat is provided with a first spring. By designing the connection mechanism, it is convenient to disassemble the cover plate.
[0009] Preferably, one end of the first spring is fixedly connected to the plug block, and the other end of the first spring is fixedly connected to the fixing seat. By designing the first spring, the force of the first spring can act on the plug block.
[0010] Preferably, the limiting mechanism includes a rotating shaft, the interior of the connecting block is connected to two symmetrically distributed rotating shafts through bearings, the top of the rotating shaft is fixedly connected to a knob, the knob contacts the connecting block, the circumferential surface of the rotating shaft is fixedly connected to a rotating seat, the rotating seat is rotatably connected to the connecting block, the interior of the rotating seat is fixedly connected to a fixed rod, the outer side of the fixed rod is provided with a second spring, the outer side of the fixed rod is slidably sleeved with a limiting block, the limiting block is slidably connected to the rotating seat, and the limiting block is slidably connected to the control box. By designing a limiting mechanism, the connecting block can be fixed.
[0011] Preferably, one end of the second spring is fixedly connected to the limit block, and the other end of the second spring is fixedly connected to the rotating seat. By designing the second spring, the force of the second spring can act on the limit block.
[0012] Preferably, a limiting groove is provided inside the control box, and the limiting block is slidably connected inside the limiting groove. The limiting groove is designed so that the limiting block can slide inside the limiting groove.
[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0014] 1. The utility model can limit the X-axis direction of the cover plate by designing the plug-in connection of the protrusion and the groove, and can limit the Y-axis direction of the cover plate by plugging the plug-in block and the cover plate, so that the cover plate can be connected and used with the control box. When the push rod is pushed to move horizontally, the push rod can slide along the plug-in block, and the plug-in block can be moved horizontally, so that the plug-in block can be separated from the cover plate, so that the cover plate can be easily disassembled, which is convenient for the inspection and maintenance of the internal structure of the control box.
[0015] 2. The utility model can absorb moisture and prevent moisture inside the control box by designing the bagged desiccant, so as to prevent moisture from causing short circuit of components and affecting use. The limit block can be separated from the control box by rotating the knob, so that the overall structure of the connecting block and the fixing frame can be taken out from the control box, thereby facilitating the replacement and use of the bagged desiccant. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;
[0017] Figure 2 For this utility model Figure 1 A three-dimensional cross-sectional view of the local structure;
[0018] Figure 3 For this utility model Figure 2 A magnified image of point A;
[0019] Figure 4 For this utility model Figure 1 A front cross-sectional view of a local structure of a connection block;
[0020] Figure 5 For this utility model Figure 4 Enlarged view of point B.
[0021] In the figure: 1. control box; 2. mounting plate; 3. mounting hole; 4. cover plate; 5. protrusion; 6. groove; 7. connecting block; 8. connecting mechanism; 9. limiting mechanism; 10. handle; 11. fixing frame; 12. bagged desiccant; 13. magnetic pressure strip; 81. fixing seat; 82. push rod; 83. push rod; 84. plug block; 85. first spring; 91. rotating shaft; 92. knob; 93. rotating seat; 94. fixing rod; 95. second spring; 96. limiting block; 97. limiting groove. DETAILED DESCRIPTION
[0022] 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.
[0023] See also Figure 1 , Figure 2 , Figure 4 A low-voltage explosion-proof lighting control box includes a control box 1, a mounting plate 2 is fixedly sleeved on the outside of the control box 1, a mounting hole 3 is opened inside the mounting plate 2, the number of the mounting holes 3 is multiple, and the multiple mounting holes 3 are evenly distributed on the mounting plate 2. By designing the mounting holes 3, it is convenient to install and fix the mounting plate 2, the front end of the control box 1 contacts with a cover plate 4, the back of the cover plate 4 is fixedly connected with a convex block 5, the convex block 5 is slidably connected to the control box 1, and a groove 6 is opened inside the front end of the control box 1, and the inside of the groove 6 A protrusion 5 is slidably connected, and a groove 6 is designed so that the protrusion 5 can slide in the groove 6. A connecting block 7 is slidably sleeved inside the upper end of the control box 1. A handle 10 is fixedly connected to the top of the connecting block 7. A fixed frame 11 is fixedly connected to the lower end of the connecting block 7. The interior of the fixed frame 11 contacts with a bagged desiccant 12. The upper end of the bagged desiccant 12 contacts with a magnetic strip 13. The magnetic strip 13 is adsorbed on the fixed frame 11. A connecting mechanism 8 is provided on the cover plate 4, and a limiting mechanism 9 is provided on the connecting block 7.
[0024] See also Figure 1 , Figure 2 , Figure 3 The connecting mechanism 8 includes a fixed seat 81, and the left and right ends of the control box 1 are fixedly connected with the fixed seat 81, and the fixed seat 81 contacts the cover plate 4. The inside of the fixed seat 81 is slidably connected with a push rod 82, and the push rod 82 is slidably connected with the control box 1. The front end of the push rod 82 is fixedly connected with a push rod 83, and the push rod 83 is slidably connected with the control box 1 and the cover plate 4 respectively. The outer side of the push rod 83 is slidably sleeved with an insert block 84, and the insert block 84 is slidably connected with the fixed seat 81 and the cover plate 4 respectively. A first spring 85 is arranged inside the fixed seat 81, and one end of the first spring 85 is fixedly connected with the insert block 84, and the other end of the first spring 85 is fixedly connected with the fixed seat 81. By designing the first spring 85, the action force of the first spring 85 can act on the insert block 84. By designing the connecting mechanism 8, it is convenient to disassemble the cover plate 4.
[0025] See also Figure 1 , Figure 4 , Figure 5The limiting mechanism 9 includes a rotating shaft 91. Two symmetrically distributed rotating shafts 91 are connected to the interior of the connecting block 7 through bearings. A knob 92 is fixedly connected to the top of the rotating shaft 91. The knob 92 contacts the connecting block 7. A rotating seat 93 is fixedly connected to the circumferential surface of the rotating shaft 91. The rotating seat 93 is rotatably connected to the connecting block 7. A fixing rod 94 is fixedly connected to the interior of the rotating seat 93. A second spring 95 is arranged on the outer side of the fixing rod 94. One end of the second spring 95 is fixedly connected to the limiting block 96. The other end of the second spring 95 is fixedly connected to the rotating seat 93 is fixedly connected, and the second spring 95 is designed so that the force of the second spring 95 can act on the limit block 96. The outer side of the fixed rod 94 is slidably sleeved with the limit block 96. The limit block 96 is slidably connected to the rotating seat 93. The limit block 96 is slidably connected to the control box 1. A limit groove 97 is provided inside the control box 1. The limit groove 97 is internally slidably connected to the limit block 96. By designing the limit groove 97, the limit block 96 can slide in the limit groove 97. By designing the limit mechanism 9, the connecting block 7 can be fixed.
[0026] The specific implementation process of the utility model is as follows: when it is necessary to disassemble the cover plate 4, push the push rod 82 forward directly, the push rod 82 drives the top rod 83 to move, the top rod 83 will slide into the plug block 84, as the top rod 83 continues to move, the inclined surface of the top rod 83 will squeeze and push the plug block 84 to move horizontally, the plug block 84 will squeeze the first spring 85, and the plug block 84 can be separated from the cover plate 4, and then the cover plate 4 is moved horizontally so that the protrusion 5 slides out of the groove 6 to disassemble the cover plate 4, so that the cover plate 4 can be easily disassembled, and the internal structure of the control box 1 can be conveniently inspected and maintained. Through the effect of the bagged desiccant 12, the interior of the control box 1 can be hygroscopic and moisture-proof, and moisture can be prevented from causing short circuits of components and affecting use. When the bagged desiccant 12 needs to be replaced, the knob 92 is first rotated, the knob 92 drives the rotating shaft 91 to rotate, the rotating shaft 91 drives the rotating seat 93 to rotate, the rotating seat 93 drives the limiting block 96 to rotate, the limiting block 96 will slide along the limiting groove 97, the limiting block 96 will be squeezed by the inner wall of the control box 1 and will move horizontally along the fixing rod 94, the limiting block 96 will squeeze the second spring 95, so that the limiting block 96 slides out of the limiting groove 97, at this time, the connecting block 7 can be moved up to take the fixing frame 11 out of the control box 1, and the bagged desiccant 12 can be replaced, which is convenient for the replacement and use of the bagged desiccant 12.
[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A low-voltage explosion-proof lighting control box, comprising a control box (1), characterized in that: The control box (1) is fixedly sleeved with a mounting plate (2) on the outside, and a mounting hole (3) is provided inside the mounting plate (2). The front end of the control box (1) contacts a cover plate (4), and a convex block (5) is fixedly connected to the back of the cover plate (4). The convex block (5) is slidably connected to the control box (1). A connecting block (7) is slidably sleeved inside the upper end of the control box (1), and a handle (10) is fixedly connected to the top of the connecting block (7). The lower end of the connecting block (7) is fixedly connected to a fixing frame (11). The inside of the fixing frame (11) contacts with a bagged desiccant (12), and the upper end of the bagged desiccant (12) contacts with a magnetic pressure strip (13), and the magnetic pressure strip (13) is adsorbed on the fixing frame (11). A connecting mechanism (8) is provided on the cover plate (4), and a limiting mechanism (9) is provided on the connecting block (7).
2. A low-voltage explosion-proof lighting control box according to claim 1, characterized in that: The number of the mounting holes (3) is multiple, and the multiple mounting holes (3) are evenly distributed on the mounting plate (2).
3. A low-voltage explosion-proof lighting control box according to claim 1, characterized in that: A groove (6) is provided inside the front end of the control box (1), and a protrusion (5) is slidably connected inside the groove (6).
4. A low-voltage explosion-proof lighting control box according to claim 1, characterized in that: The connecting mechanism (8) comprises a fixed seat (81), the left and right ends of the control box (1) are fixedly connected with the fixed seat (81), the fixed seat (81) is in contact with the cover plate (4), the interior of the fixed seat (81) is slidably connected with a push rod (82), the push rod (82) is slidably connected with the control box (1), the front end of the push rod (82) is fixedly connected with a push rod (83), the push rod (83) is slidably connected with the control box (1) and the cover plate (4), the outer side of the push rod (83) is slidably sleeved with an insert block (84), the insert block (84) is slidably connected with the fixed seat (81) and the cover plate (4), and a first spring (85) is arranged inside the fixed seat (81).
5. A low-voltage explosion-proof lighting control box according to claim 4, characterized in that: One end of the first spring (85) is fixedly connected to the insert block (84), and the other end of the first spring (85) is fixedly connected to the fixing seat (81).
6. A low-voltage explosion-proof lighting control box according to claim 1, characterized in that: The limiting mechanism (9) comprises a rotating shaft (91), two symmetrically distributed rotating shafts (91) are connected to the interior of the connecting block (7) via bearings, a knob (92) is fixedly connected to the top of the rotating shaft (91), the knob (92) is in contact with the connecting block (7), a rotating seat (93) is fixedly connected to the circumferential surface of the rotating shaft (91), the rotating seat (93) is rotatably connected to the connecting block (7), a fixed rod (94) is fixedly connected to the interior of the rotating seat (93), a second spring (95) is arranged on the outer side of the fixed rod (94), a limiting block (96) is slidably sleeved on the outer side of the fixed rod (94), the limiting block (96) is slidably connected to the rotating seat (93), and the limiting block (96) is slidably connected to the control box (1).
7. A low-voltage explosion-proof lighting control box according to claim 6, characterized in that: One end of the second spring (95) is fixedly connected to the limit block (96), and the other end of the second spring (95) is fixedly connected to the rotating seat (93).
8. The low-voltage explosion-proof lighting control box according to claim 1 is characterized in that: A limiting groove (97) is provided inside the control box (1), and the limiting groove (97) is slidably connected inside to a limiting block (96).
Citation Information
Patent Citations
A low-pressure explosion-proof lighting device for oilfield well repair
CN218846059U