Explosion-proof junction box convenient to disassemble and assemble

Abstract

The utility model discloses an explosion-proof junction box convenient to disassemble and assemble, which belongs to the technical field of explosion-proof junction boxes and comprises a box body, a wiring board is arranged in an inner cavity of the box body, two wire clamping mechanisms are arranged in the inner cavity of the box body, a supporting installation mechanism is arranged in the inner cavity of the box body, and a plurality of jacks are arranged on the inner wall of the box body. According to the utility model, the elastic force of the first spring drives the bolt to be inserted into the insertion hole to fix the box body and the box cover, and the pull block is pulled to enable the limiting plate, the movable column, the pull column and the movable plate to be matched to drive the bolt to be separated from the inner cavity of the insertion hole, so that the fixation between the box body and the box cover is released; and meanwhile, the sliding positions between the movable columns are shielded through the limiting plates, and the problem that the service life of the fixing device is affected due to the fact that the fixing device is located outside is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of explosion-proof junction boxes, and more specifically to an explosion-proof junction box which is easy to disassemble and assemble. Background Art

[0002] The explosion-proof junction box is a special power distribution equipment used in various high-risk places. Compared with the civilian junction box, it is a power distribution box with explosion-proof function after various explosion-proof modifications. The common junction box body and the box cover are fixed by bolts. When disassembling or repairing, the fixing bolts need to be removed. During the disassembly process, the bolts are easy to lose. At the same time, the bolts need to be removed with the help of external tools during the disassembly process, which is not convenient for the staff to disassemble and assemble the junction box.

[0003] After searching, the utility model patent with announcement number CN218415718U discloses an explosion-proof junction box that is easy to disassemble and assemble, including a box body and a box cover, the two relatively distributed side walls of the box body are provided with wiring holes, the box body is provided with a wiring board, the bottom of the box cover is provided with relatively distributed limit plates, the limit plates are penetrated with a slide bar, the slide bar is slidably connected with the limit plate, wherein a fixing mechanism for fixing the slide bar is provided inside the box body, a toggle piece is provided on the surface of the box cover, the toggle piece is connected with the slide bar through a slider, and the toggle piece is used to drive the slide bar to move, thereby releasing the fixing of the slide bar by the fixing mechanism; the device does not need to manually fix the box cover with bolts through the setting of the toggle piece and the fixing mechanism, which is convenient for the staff to install and remove the box cover. However, the above patent still has the following shortcomings: the fixing device directly between the box cover and the box body is directly located outside, when the junction box is located outdoors, the fixing mechanism is easily affected by the external environment for a long time and its sealing and service life are easily affected; it is also not convenient to install and fix the junction box on the ground, wall and other places. For this reason, we propose an explosion-proof junction box that is easy to disassemble and assemble. Utility Model Content

[0004] In view of the problems existing in the prior art, the utility model aims to provide an explosion-proof junction box which is easy to disassemble and assemble.

[0005] In order to solve the above problems, the utility model adopts the following technical solutions:

[0006] The utility model discloses an explosion-proof junction box which is easy to disassemble and assemble, comprising a box body, the inner cavity of the box body is provided with a terminal board, the inner cavity of the box body is provided with two wire clamping mechanisms, the inner cavity of the box body is provided with a supporting installation mechanism, the inner wall of the box body is provided with a plurality of jacks, the top of the box body is provided with a box cover, the interior of the box cover is provided with a movable groove, both ends of the movable groove are fixedly connected with a first spring, one end of two first springs are fixedly connected with a movable plate, one end of two movable plates are fixedly connected with a plurality of latches, one end of the plurality of latches are movably sleeved into the inner cavity of the movable groove, movable columns are movably sleeved on both sides of the box cover, one end of the movable columns are rotatably connected with pull columns, the ends of the pull columns are rotatably connected with the movable plates, the other end of the movable column extends to the outside of the box cover and is fixedly connected with a limiting plate, and a plurality of wire entry and exit holes are separately provided on both sides of the box body.

[0007] As a preferred solution of the utility model, the support and installation mechanism includes a plurality of support seats fixedly connected to the inner wall of the box body and a butterfly self-tapping screw threadedly sleeved on the bottom of the inner cavity of the box body, the bottom end of the butterfly self-tapping screw extends to the bottom of the box body, a screw is threadedly sleeved on the support seat, the bottom end of the screw is fixedly connected to a support column, the bottom end of the support column is movably sleeved to the bottom of the box body and fixedly connected to a support plate, and the top end of the screw is fixedly connected to a knob.

[0008] As a preferred solution of the utility model, the wire clamping mechanism includes a wire clamping seat fixedly connected to the bottom of the inner cavity of the box body, a plurality of wire clamping holes are opened on the outer side of the wire clamping seat, and telescopic holes are opened on the top of the wire clamping holes. A second spring is fixedly connected to the top surface of the inner cavity of the telescopic hole, and an extrusion column is fixedly connected to the bottom end of the second spring, and a pull rod is fixedly connected to the top surface of the extrusion column, and the top end of the pull rod is movably connected to the top of the wire clamping seat and fixedly connected to a pull plate.

[0009] As a preferred solution of the utility model, the inner cavity of the inlet and outlet holes is provided with a sealing rubber ring, and the end of the box body and the outer side of the inlet and outlet holes are hinged with a sealing cover.

[0010] As a preferred solution of the utility model, a pull block is fixedly connected to the outer side of the limit plate, and the inner side surface of the limit plate is in contact with the side surface of the box cover.

[0011] As a preferred solution of the utility model, the outer diameter of the plug is equal to the inner diameter of the insertion hole, and the inner wall of the box body and the side surface of the bottom end of the box cover are in close contact.

[0012] As a preferred solution of the utility model, the number and positions of the wire entry and exit holes and the wire clamping holes are matched.

[0013] Compared with the prior art, the advantages of the present invention are:

[0014] (1) In the utility model, the elastic force of the first spring drives the latch to be inserted into the insertion hole to fix the box body and the box cover, and by pulling the pull block, the limit plate, the movable column, the pull column and the movable plate cooperate to drive the latch to disengage from the inner cavity of the insertion hole, thereby releasing the fixation between the box body and the box cover; and the structure that drives the latch to move is located in the inner cavity of the movable groove, and the limit plate is used to block the sliding position between the movable columns, thereby avoiding the problem that the fixing device is located outside and affects its service life.

[0015] (2) In the utility model, a plurality of butterfly self-tapping screws are arranged on the box body. By rotating the butterfly self-tapping screws, the bottom ends of the butterfly self-tapping screws are threadedly installed on the ground or wall, thereby realizing the function of conveniently fixing the box body on the ground or wall. In addition, the box body is supported by support columns and support plates. The height of the support columns and support plates can be adjusted by the cooperation of the support seat and the screw rod, so that the installation height of the box body can be adjusted, thereby improving the practicality of the explosion-proof junction box. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is an exploded view of the overall structure of the utility model;

[0018] Figure 3 It is a structural schematic diagram of the box body of the utility model;

[0019] Figure 4 It is a cross-sectional schematic diagram of the box cover of the utility model;

[0020] Figure 5 It is a cross-sectional schematic diagram of the wire clamping mechanism of the utility model.

[0021] Description of the numbers in the figure:

[0022] 1. Box body; 2. Terminal block; 3. Wire clamping mechanism; 4. Support and installation mechanism; 5. Box cover; 6. Socket; 7. Moving slot; 8. First spring; 9. Moving plate; 10. Latch; 11. Movable column; 12. Pull column; 13. Limit plate; 14. Pull block; 15. Support seat; 16. Butterfly self-tapping screw; 17. Screw; 18. Knob; 19. Support column; 20. Support plate; 21. Wire inlet and outlet holes; 22. Sealing rubber ring; 23. Cover; 24. Wire clamping seat; 25. Wire clamping hole; 26. Telescopic hole; 27. Second spring; 28. Extrusion column; 29. ​​Pull rod; 30. Pull plate. DETAILED DESCRIPTION

[0023] The following will clearly and completely describe the technical solutions in the embodiments of the utility model 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, 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.

[0024] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0025] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0026] Example:

[0027] See also Figure 1-5 , an explosion-proof junction box that is easy to disassemble and assemble, comprises a box body 1, an inner cavity of the box body 1 is provided with a wiring board 2, an inner cavity of the box body 1 is provided with two wire clamping mechanisms 3, an inner cavity of the box body 1 is provided with a supporting installation mechanism 4, an inner wall of the box body 1 is provided with a plurality of jacks 6, a box cover 5 is sleeved on the top of the box body 1, a movable groove 7 is arranged inside the box cover 5, both ends of the movable groove 7 are fixedly connected with a first spring 8, one end of the two first springs 8 are fixedly connected with a movable plate 9, one end of the two movable plates 9 are fixedly connected with a plurality of latches 10, one end of the plurality of latches 10 are movably sleeved to the inner cavity of the movable groove 7, both sides of the box cover 5 are movably sleeved with movable columns 11, one end of the movable columns 11 are rotatably connected with pull columns 12, the ends of the pull columns 12 are rotatably connected with the movable plates 9, the other end of the movable column 11 extends to the outside of the box cover 5 and is fixedly connected with a limiting plate 13, and a plurality of inlet and outlet holes 21 are separately arranged on both sides of the box body 1.

[0028] In this embodiment, the side surface of the moving plate 9 fits with the inner wall of the moving groove 7 to ensure the stability of the moving plate 9 in the moving groove 7 .

[0029] For details, please refer to Figure 3 The support and installation mechanism 4 includes a plurality of support seats 15 fixedly connected to the inner wall of the box body 1 and a butterfly self-tapping screw 16 threadedly sleeved on the bottom of the inner cavity of the box body 1, the bottom end of the butterfly self-tapping screw 16 extends to the bottom of the box body 1, and a screw 17 is threadedly sleeved on the support seat 15. The bottom end of the screw 17 is fixedly connected to a support column 19, the bottom end of the support column 19 is movably sleeved to the bottom of the box body 1 and fixedly connected to a support plate 20, and the top end of the screw 17 is fixedly connected to a knob 18.

[0030] In this embodiment, the support column 19 slides on the box body 1 in a sealed manner, thereby preventing water vapor or dust from entering the inner cavity of the box body 1 through the gap between the box body 1 and the support column 19 .

[0031] For details, please refer to Figure 3-4 The wire clamping mechanism 3 includes a wire clamping seat 24 fixedly connected to the bottom of the inner cavity of the box body 1, a plurality of wire clamping holes 25 are opened on the outer side of the wire clamping seat 24, and a telescopic hole 26 is opened on the top of the wire clamping hole 25. A second spring 27 is fixedly connected to the top surface of the inner cavity of the telescopic hole 26, and an extrusion column 28 is fixedly connected to the bottom end of the second spring 27. A pull rod 29 is fixedly connected to the top surface of the extrusion column 28, and the top end of the pull rod 29 is movably connected to the top of the wire clamping seat 24 and fixedly connected to a pull plate 30.

[0032] In this embodiment, the inner wall of the telescopic hole 26 fits with the side surface of the extrusion column 28 to ensure the stability of the extrusion column 28 in the telescopic hole 26 .

[0033] For details, please refer to Figure 2 A sealing rubber ring 22 is provided in the inner cavity of the inlet and outlet hole 21 , and a cover 23 is hingedly connected at the end of the box body 1 and located on the outside of the inlet and outlet hole 21 .

[0034] In this embodiment, the lines entering or passing through the inlet and outlet holes 21 are clamped and sealed by the sealing rubber ring 22 , and the unused inlet and outlet holes 21 are covered by the sealing cover 23 .

[0035] For details, please refer to Figure 2 A pull block 14 is fixedly connected to the outer side of the limiting plate 13 , and the inner side surface of the limiting plate 13 is in contact with the side surface of the box cover 5 .

[0036] In this embodiment, the limiting plate 13 and the movable column 11 are pulled by the pulling block 14 .

[0037] For details, please refer to Figure 5 The outer diameter of the latch 10 is equal to the inner diameter of the insertion hole 6, and the inner wall of the box body 1 and the side surface of the bottom end of the box cover 5 are in close contact.

[0038] In this embodiment, the stability of the plug 10 inserted into the socket 6 is ensured by the adaptation of the plug 10 and the socket 6, and the stability of the box cover 5 installed on the box body 1 is ensured by the contact between the inner wall of the box body 1 and the side of the box cover 5.

[0039] For details, please refer to Figure 1 The number and position of the wire entry and exit holes 21 and the wire clamping holes 25 are matched.

[0040] In this embodiment, it is ensured that the wires entering the box body 1 through the wire inlet and outlet holes 21 can be smoothly clamped and fixed in the wire clamping hole 25 .

[0041] Working principle: When in use, first rotate the knob 18 to drive the screw 17 to rotate, and use the cooperation between the screw 17 and the support seat 15 to drive the support column 19 and the support plate 20 to move up and down on the box 1, and use the support column 19 and the support plate 20 to support the box 1. At the same time, the height of the installation of the box 1 can be adjusted, and the support plate 20 is placed at the installation location. Turn the butterfly self-tapping screw 16 to move its end downward, so that the bottom end of the butterfly self-tapping screw 16 drills into the ground or wall to fix the box 1, and then pass the line to be wired from the inlet and outlet holes 21 into the inner cavity of the box 1, and at the same time make the line pass through the clamping hole 25, and use the elastic force of the second spring 27 to drive the extrusion column 28 to move downward, and use the extrusion column 28 to squeeze and fix the line, and fix the line on the wiring board 2 1, and then the box cover 5 is placed on the top of the box body 1, and the pull block 14 is held and pulled outward. At this time, the limit plate 13 and the movable column 11 move outward, and the movable column 11 drives the pull column 12 to pull the movable plate 9, and the movable plate 9 drives the pin 10 to retract into the inner cavity of the movable groove 7. At this time, the bottom end of the box cover 5 is inserted into the inner cavity of the box body 1, and the pull block 14 is released. The elastic force of the first spring 8 drives the movable plate 9 to reset, and the movable plate 9 drives the pin 10 to be inserted into the socket 6, so that the box cover 5 is installed on the box body 1. In addition, the movable plate 9 drives the pull column 12, the movable column 11 and the limit plate 13 to reset. Finally, when it is necessary to wire again in the box body 1, the pull block 14 is directly pulled to make the pin 10 disengage from the inner cavity of the socket 6, so as to remove the box cover 5 from the box body 1.

[0042] The above is only a preferred specific implementation method of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent substitutions or changes within the technical scope disclosed by the utility model according to the technical solution and improved ideas of the utility model, which should be included in the protection scope of the utility model.

Claims

1. An explosion-proof junction box that is easy to disassemble and assemble, comprising a box body (1), characterized in that: The inner cavity of the box (1) is provided with a wiring board (2), the inner cavity of the box (1) is provided with two wire clamping mechanisms (3), the inner cavity of the box (1) is provided with a supporting installation mechanism (4), the inner wall of the box (1) is provided with a plurality of jacks (6), the top of the box (1) is provided with a box cover (5), the interior of the box cover (5) is provided with a movable groove (7), both ends of the movable groove (7) are fixedly connected to a first spring (8), one end of each of the two first springs (8) is fixedly connected to a movable plate (9), and the two movable plates (9) are fixedly connected to each other. One end of each of the movable plates (9) is fixedly connected to a plurality of latches (10), one end of each of the plurality of latches (10) is movably sleeved into the inner cavity of the movable groove (7), both sides of the box cover (5) are movably sleeved with movable columns (11), one end of each of the movable columns (11) is rotatably connected to a pull column (12), the ends of each of the pull columns (12) are rotatably connected to the movable plate (9), the other end of each of the movable columns (11) extends to the outside of the box cover (5) and is fixedly connected to a limiting plate (13), and a plurality of inlet and outlet wire holes (21) are separately provided on both sides of the box body (1).

2. The explosion-proof junction box that is easy to disassemble and assemble according to claim 1, characterized in that: The support installation mechanism (4) comprises a plurality of support seats (15) fixedly connected to the inner wall of the box body (1) and a butterfly self-tapping screw (16) threadedly sleeved on the bottom of the inner cavity of the box body (1), the bottom end of the butterfly self-tapping screw (16) extends to the bottom of the box body (1), a screw rod (17) is threadedly sleeved on the support seat (15), the bottom end of the screw rod (17) is fixedly connected to a support column (19), the bottom end of the support column (19) is movably sleeved to the bottom of the box body (1) and fixedly connected to a support plate (20), and the top end of the screw rod (17) is fixedly connected to a knob (18).

3. The explosion-proof junction box that is easy to disassemble and assemble according to claim 1 is characterized in that: The wire clamping mechanism (3) comprises a wire clamping seat (24) fixedly connected to the bottom of the inner cavity of the box body (1), a plurality of wire clamping holes (25) are provided on the outer side of the wire clamping seat (24), and telescopic holes (26) are provided on the top of each of the wire clamping holes (25). A second spring (27) is fixedly connected to the top surface of the inner cavity of the telescopic hole (26), and an extrusion column (28) is fixedly connected to the bottom end of the second spring (27), and a pull rod (29) is fixedly connected to the top surface of the extrusion column (28), and the top end of the pull rod (29) is movably sleeved on the top of the wire clamping seat (24) and fixedly connected to a pull plate (30).

4. The explosion-proof junction box that is easy to disassemble and assemble according to claim 1 is characterized in that: The inner cavity of the inlet and outlet wire hole (21) is provided with a sealing rubber ring (22), and a sealing cover (23) is hingedly connected at the end of the box body (1) and located outside the inlet and outlet wire hole (21).

5. The explosion-proof junction box that is easy to disassemble and assemble according to claim 1 is characterized in that: A pull block (14) is fixedly connected to the outer side of the limiting plate (13), and the inner side surface of the limiting plate (13) is in contact with the side surface of the box cover (5).

6. The explosion-proof junction box that is easy to disassemble and assemble according to claim 1, characterized in that: The outer diameter of the latch (10) is equal to the inner diameter of the insertion hole (6), and the inner wall of the box body (1) and the side surface of the bottom end of the box cover (5) are in close contact with each other.

7. The explosion-proof junction box that is easy to disassemble and assemble according to claim 3 is characterized in that: The number and positions of the wire entry and exit holes (21) and the wire clamping holes (25) are matched.

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