Water vapor-proof junction box

Abstract

The utility model provides a moisture-proof junction box, which relates to the technical field of junction boxes, and comprises a box body, the top end of the box body is fixedly connected with a cover plate, the bottom end of the box body is fixedly provided with a fixed block, the surface of the bottom end of the box body is provided with a plug wire hole, the bottom end of the box body is provided with a placement groove, and the placement groove is provided with a plug wire. And fixing columns are fixedly mounted on the surfaces of the wire plugging holes. According to the utility model, by arranging the box body, the cover plate, the fixing blocks, the wire plugging holes, the placement grooves, the fixing columns, the silicone tubes, the insertion grooves, the threads, the nuts, the fixing rings, the electric heating plates and the like, when the equipment is used outdoors, the silicone tubes and the fixing rings are arranged, so that water vapor can be prevented from entering the equipment and the wire plugging holes; and meanwhile, by arranging the electric heating plate, the equipment can be kept in a constant-temperature state all the time, the equipment is prevented from being damaged, and the practical effect of the equipment is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of junction boxes, in particular to a moisture-proof junction box. Background Art

[0002] The electrical connection technology in the junction box is its core, including the connection methods and installation technologies of wires, cables, terminals, connectors, etc. Common connection methods include threaded connection, crimping connection, plug-in connection, etc., and their selection depends on the application scenario and requirements. The junction box provides protection for electrical equipment, including overload protection, short circuit protection, leakage protection and other functions. These protection functions can be realized by electrical components such as fuses, circuit breakers, leakage protectors, etc. The junction box is a device for installing, protecting and connecting electrical equipment, which is commonly found in various places such as industry, commerce and residence. Publication number: CN217934958U discloses a junction box, which includes: a top cover and a bottom cover, the top cover and the bottom cover cover box form a receiving cavity, and the surface of the bottom cover facing the receiving cavity is provided with a first circular column; a terminal block is provided in the receiving cavity, and a second circular column is provided on the side of the terminal block facing the bottom cover, the diameter of the second circular column is larger than the diameter of the first circular column, and the first circular column is sleeved in the second circular column so that the terminal block can rotate relative to the base. Because the diameter of the second circular column in the present patent application is larger than that of the first circular column, and the first circular column is sleeved in the second circular column, so that the wiring seat can be rotated relative to the base through the second circular column, for example, the wiring seat can be rotated 45 degrees, so the wiring box in the present patent application can provide wiring in different directions, which is convenient for users to connect and improves the versatility of the wiring box. However, for the above-mentioned equipment, when the equipment is placed outdoors for use, water vapor may enter the interior of the equipment and the wiring holes, which may damage the equipment or cause circuit failures and economic losses, and needs to be improved. Utility Model Content

[0003] The purpose of the utility model is to solve the technical problems raised in the above background technology.

[0004] The utility model adopts the following technical scheme: a waterproof and vapor-proof junction box, comprising a box body, a cover plate fixedly connected to the top of the box body, a fixing block fixedly installed at the bottom of the box body, a wire insertion hole is opened on the bottom surface of the box body, a placement groove is opened at the bottom of the box body, a fixing column is fixedly installed on the surface of the wire insertion hole, a silicone tube is fixedly installed on the top of the fixing column, an insertion groove is fixedly opened inside the silicone tube and the fixing column, a thread is fixedly opened on the surface of the fixing column, a nut is rotatably connected to the surface of the fixing column, a fixing ring is sleeved on the surface of the fixing column, and electric heating plates are sleeved inside the two ends of the box body.

[0005] Preferably, a groove is provided at the top of the box body, and a sealing ring is inserted into the groove. Here, by providing the sealing ring, the sealing effect between the devices can be increased.

[0006] Preferably, the surface of the cover plate is provided with a groove. Here, by providing the groove, it is convenient for the staff to use the equipment, thereby increasing the convenience effect of the equipment.

[0007] Preferably, the shape of the silicone tube is conical. Here, by setting the shape of the silicone tube, the sealing performance of the wire insertion hole can be increased.

[0008] Preferably, a placement block is fixedly installed inside the box, a sliding groove is provided on the surface of the placement block, a support rod is fixedly installed inside the sliding groove, a spring is sleeved on the outer surface of the support rod, a sliding block is sleeved on the outer surface of the support rod, and a clamping block is fixedly installed on the top of the sliding block. Here, by providing the clamping block, it is convenient for the staff to organize the wire harness inside the equipment, thereby increasing the practical effect of the equipment.

[0009] Preferably, one end of the spring is connected to the surface box of the sliding groove, and the other end of the spring is connected to the surface of the sliding block. Here, by connecting the spring to the sliding groove and the sliding block, the fixing effect of the wire harness can be increased.

[0010] Preferably, the top end of the clamp block is in a semicircular arc shape. Here, by setting the shape of the clamp block, it is possible to facilitate the insertion or separation of the wire harness into or from the clamp block.

[0011] Compared with the prior art, the advantages and positive effects of the utility model are:

[0012] 1. In the utility model, by arranging the box body, cover plate, fixing block, wire insertion hole, placement groove, fixing column, silicone tube, insertion groove, thread, nut, fixing ring, electric heating plate and other structures, when the equipment is placed outdoors for use, by arranging the silicone tube and the fixing ring, it is possible to prevent water vapor from entering the interior of the equipment and the wiring hole, prevent the equipment from being damaged or causing circuit failure, and avoid causing economic losses. At the same time, by arranging the electric heating plate, the equipment can be kept at a constant temperature, avoiding damage to the equipment and increasing the practical effect of the equipment.

[0013] 2. In the utility model, by providing the placement block, sliding groove, support rod, spring, sliding block, clamping block and other structures, the clamping block can be provided to facilitate the staff to organize the wiring harness, and when the wiring harness is damaged, it is convenient for the staff to repair it, thereby increasing the practical effect of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A schematic diagram of the three-dimensional structure of a water-proof and vapor-proof junction box is provided for the utility model;

[0015] Figure 2 A schematic cross-sectional structure diagram of a vapor-proof junction box is provided for the utility model;

[0016] Figure 3 A schematic diagram of the explosion structure of a water-proof and vapor-proof junction box is provided for the utility model;

[0017] Figure 4 The utility model provides a partial structural schematic diagram of a water-proof and vapor-proof junction box.

[0018] Legend:

[0019] 1. Box body; 2. Cover plate; 3. Fixed block; 4. Wire insertion hole; 5. Placement slot; 6. Fixed column; 7. Silicone tube; 8. Insertion slot; 9. Thread; 10. Nut; 11. Fixed ring; 12. Heating plate; 13. Groove; 14. Sealing ring; 15. Groove; 16. Placement block; 17. Sliding slot; 18. Support rod; 19. Spring; 20. Sliding block; 21. Clamp block. DETAILED DESCRIPTION

[0020] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0021] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0022] Embodiment 1

[0023] See also Figure 1-3The utility model provides a technical solution: a waterproof and vapor-proof junction box, comprising a box body 1, a cover plate 2 is fixedly connected to the top of the box body 1, a fixing block 3 is fixedly installed at the bottom end of the box body 1, a wire insertion hole 4 is opened on the bottom surface of the box body 1, a placement groove 5 is opened at the bottom end of the box body 1, a fixing column 6 is fixedly installed on the surface of the wire insertion hole 4, a silicone tube 7 is fixedly installed on the top of the fixing column 6, an insertion groove 8 is fixedly opened inside the silicone tube 7 and the fixing column 6, a thread 9 is fixedly opened on the surface of the fixing column 6, a nut 10 is rotatably connected to the surface of the fixing column 6, a fixing ring 11 is sleeved on the surface of the fixing column 6, and electric heating plates 12 are sleeved on both ends of the box body 1, the cable is inserted into the wire insertion hole 4, the fixing column 6 and the silicone tube 7, and then the nut 10 is rotated, and the fixing ring 11 is driven to move by the rotation of the nut 10, and then the silicone tube 7 can be squeezed by moving the fixing ring 11, and the silicone tube 7 can be squeezed through the squeezing movement of the fixing ring 11, so as to squeeze the cable surface, which can effectively increase the sealing effect and the fixing effect.

[0024] See also Figure 1-4 A groove 13 is provided at the top of the box body 1, and a sealing ring 14 is inserted into the groove 13. By setting the sealing ring 14, the sealing effect of the equipment can be effectively increased. When the equipment is placed outdoors, it can effectively prevent water vapor from entering the equipment. A groove 15 is provided on the surface of the cover plate 2. The shape of the silicone tube 7 is conical. One end of the spring 19 is connected to the surface box of the sliding groove 17, and the other end of the spring 19 is connected to the surface of the sliding block 20. The top shape of the clamping block 21 is semicircular.

[0025] Embodiment 2

[0026] See also Figure 4 A placement block 16 is fixedly installed inside the box 1, and a sliding groove 17 is opened on the surface of the placement block 16. A support rod 18 is fixedly installed inside the sliding groove 17. A spring 19 is sleeved on the outer surface of the support rod 18. A sliding block 20 is sleeved on the outer surface of the support rod 18. A clamping block 21 is fixedly installed on the top of the sliding block 20. The wiring harness contacts the top surface of the clamping block 21, and then the clamping block 21 is squeezed. The sliding block 20 is moved by the movement of the clamping block 21, and then the spring 19 is squeezed by the movement of the sliding block 20. Then the wiring harness contacts the surface of the clamping block 21, and then the clamping block 21 is moved by the rebound movement of the spring 19, so that the wiring harness can be fixed.

[0027] Working principle: when the staff needs to connect the cable, first contact with the surface of the cable, then insert the cable into the wire insertion hole 4, the fixing column 6 and the silicone tube 7, then rotate the nut 10, and then rotate the nut 10 to drive the fixing ring 11 to move, and then drive the silicone tube 7 to perform an extrusion movement through the movement of the fixing ring 11, and then squeeze the silicone tube 7 to contact with the surface of the cable. At the same time, the silicone tube 7 squeezes the cable surface, which can effectively increase the sealing effect and the fixing effect, and prevent water vapor from entering the insertion hole. When the staff needs to organize the wiring harness, first contact with the surface of the wiring harness, and then squeeze the clamp block 21, and drive the sliding block 20 to move through the movement of the clamp block 21, and then drive the spring 19 to perform an extrusion movement through the movement of the sliding block 20, and then the wiring harness contacts the surface of the clamp block 21, and finally drive the clamp block 21 to move through the rebound movement of the spring 19, and the wiring harness can be fixed.

[0028] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A water-proof junction box, comprising a box body (1), characterized in that: The top of the box (1) is fixedly connected with a cover plate (2), the bottom of the box (1) is fixedly installed with a fixing block (3), the bottom surface of the box (1) is provided with a wire insertion hole (4), the bottom of the box (1) is provided with a placement groove (5), the surface of the wire insertion hole (4) is fixedly installed with a fixing column (6), the top of the fixing column (6) is fixedly installed with a silicone tube (7), the inside of the silicone tube (7) and the fixing column (6) are fixedly provided with an insertion groove (8), the surface of the fixing column (6) is fixedly provided with a thread (9), the surface of the fixing column (6) is rotatably connected with a nut (10), the surface of the fixing column (6) is sleeved with a fixing ring (11), and both ends of the box (1) are sleeved with electric heating plates (12).

2. The vapor-proof junction box according to claim 1, characterized in that: A groove (13) is provided at the top of the box body (1), and a sealing ring (14) is inserted into the interior of the groove (13).

3. The waterproof and vapor-proof junction box according to claim 1, characterized in that: A groove (15) is provided on the surface of the cover plate (2).

4. The waterproof and vapor-proof junction box according to claim 1, characterized in that: The shape of the silicone tube (7) is conical.

5. The vapor-proof junction box according to claim 1, characterized in that: A placement block (16) is fixedly installed inside the box body (1), a sliding groove (17) is provided on the surface of the placement block (16), a support rod (18) is fixedly installed inside the sliding groove (17), a spring (19) is sleeved on the outer surface of the support rod (18), a sliding block (20) is sleeved on the outer surface of the support rod (18), and a clamping block (21) is fixedly installed on the top of the sliding block (20).

6. The vapor-proof junction box according to claim 5, characterized in that: One end of the spring (19) is connected to the surface box of the sliding groove (17), and the other end of the spring (19) is connected to the surface of the sliding block (20).

7. The vapor-proof junction box according to claim 5, characterized in that: The top end of the clamping block (21) is in the shape of a semicircular arc.

Images