Waterproof power distribution device
By adopting the integrated structure of the box and sealing ring design, the problem of poor sealing of existing electrical equipment in humid environments is solved. The heat dissipation effect and mechanical strength are improved through the design of heat dissipation teeth and reinforcement ribs, and the effect of light weight and high strength is achieved.
Patent Information
- Application Number
- CN202510101410.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-22
- Publication Date
- 2025-05-27
AI Technical Summary
The installation holes of existing electrical equipment have poor sealing properties, which are prone to leaking water in humid environments, and the heat dissipation method requires a large space, which affects the sealing and mechanical strength.
The box with an integrated structure, the cover plate and the left side plate are installed through the threaded blind holes through bolts, and a sealing ring installation groove is provided on the mating surface, and a sealing ring is used for axial sealing. The electrical connector and indicator light have a sealing gasket that seals the connector hole and indicator hole. At the same time, heat dissipation teeth are provided on the right side of the box assembly and the outside of the left plate assembly to increase the heat dissipation area, and lattice reinforcement ribs are installed on the outside of the box, inside the cover plate and outside the left plate to improve mechanical strength and space utilization.
It maintains good waterproof sealing in humid environments, increases the heat dissipation area to facilitate heat dissipation under sealing conditions, and takes into account both mechanical strength and weight requirements, and has the advantages of light weight and high strength.
Smart Images

Figure CN120049283A_ABST
Abstract
Description
Technical Field
[0001] The present invention belongs to the technical field of electrical equipment, and particularly relates to a waterproof power distribution device. Background Art
[0002] Channel switching devices are commonly used for audio-video source switching in audio-video systems, communication channel switching in communication systems, and control channel switching in control systems.
[0003] Chinese Patent with publication number CN210246225U discloses a sheet metal structure electric vehicle high-voltage distribution box. The outer side of the retaining frame of the distribution box is connected with a side cover plate through a side cover plate sealing ring, and the upper parts of the first wiring module and the second wiring module are both connected with wiring module cover plates through module cover plate sealing rings to obtain sealing performance; heat dissipation effect is obtained by arranging a plurality of ventilation openings on the fixing plate.
[0004] However, the photoelectric switch has the following problems:
[0005] 1) The sealing performance of conventional installation holes is poor, and water may flow into the shell through the installation holes;
[0006] 2) The heat dissipation method of arranging a plurality of ventilation openings on the fixing plate requires a large space; Summary of the Invention
[0007] To solve the above problems, the present invention provides a waterproof power distribution device, which is characterized in that it includes: a box body, a cover plate, a left side plate and a sealing ring. The cover plate is installed above the box body through bolts passing through the installation holes, and the left side plate is installed on the left side of the box body through bolts passing through the installation holes; the left side plate mating surface and the cover plate mating surface of the box body are provided with sealing ring installation grooves; the sealing ring is placed in the sealing ring installation groove of the box body.
[0008] The box body is an integral structure, and the installation holes of the box body are all threaded blind holes.
[0009] There are multiple box body installation holes, which are arranged outside the sealing ring installation groove.
[0010] Three connector holes are provided on the front side of the box body, and one connector hole is provided on the rear side. Installation holes are arranged around each connector hole for installing electrical connectors.
[0011] Four indicator light holes are provided on the front side of the box body for installing indicator lights.
[0012] Heat dissipation teeth are provided on the outer side of the right side surface and the left side plate of the box body.
[0013] Reinforcing ribs are provided on the bottom surface, the right side surface and the outer side of the left side plate of the box body; grid-shaped reinforcing ribs are provided on the inner side of the cover plate.
[0014] An installation boss is provided on the inner side of the left side plate, and the installation boss is provided with a threaded blind hole.
[0015] There is a positioning strip on the inner side of the left side plate.
[0016] The electrical connectors and indicator lights installed in the waterproof power distribution device are equipped with sealing washers.
[0017] The present invention has the following beneficial effects:
[0018] 1) Through the box body with an integrated structure in the present invention, axial seals are designed at the joints with the cover plate and the left side plate, and the mounting holes are all set as threaded blind holes. The electrical connectors and indicator lights are equipped with sealing washers to seal the connector holes and indicator light holes, ensuring that the device still has good waterproof and sealing performance in wet environments such as rainy days.
[0019] 2) Heat dissipation teeth are provided in the middle of the right side of the structural box body assembly of the waterproof power distribution device and in the middle of the outer side of the left side plate assembly, effectively increasing the heat dissipation area and facilitating the dissipation of heat inside the device under sealed conditions.
[0020] 3) Square grid-shaped reinforcing ribs are provided on the outside of the box body, inside the cover plate and outside the left side plate, taking into account the requirements of the mechanical strength, weight, etc. of the device. It has the advantages of light weight and high strength. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 is a schematic structural diagram of the present invention;
[0022] Figure 2 is a front view schematic diagram of the left side plate assembly of the present invention;
[0023] Figure 3 is a back view schematic diagram of the left side plate assembly of the present invention;
[0024] Figure 4 is a schematic diagram of the cover plate of the present invention;
[0025] Figure 5 is a schematic structural diagram of the left side plate assembly of the present invention;
[0026] Figure 6 is a schematic diagram of the installation of the upper sealing ring of the present invention;
[0027] Figure 7 is a schematic diagram of the installation of the left sealing ring of the present invention.
[0028] In the figure: 1 - box body assembly; 2 - cover plate; 3 - left side plate assembly; 4 - sealing ring; 31 - mounting boss;
[0029] 32 - mounting strip. DETAILED DESCRIPTION OF THE INVENTION
[0030] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts belong to the scope of protection of the present invention.
[0031] Embodiment 1
[0032] Please refer to Figure 1 , the present invention provides a technical solution: a waterproof power distribution device, which is characterized by including: a box body 1, a cover plate 2, a left side plate 3 and a sealing ring 4. The cover plate 2 is installed above the box body 1 through bolts passing through the mounting holes, and the left side plate 3 is installed on the left side of the box body 1 through bolts passing through the mounting holes; please refer to Figures 5-6 , a sealing ring installation groove is provided on the mating surface of the left side plate of the box body 1 and the mating surface of the cover plate; the sealing ring 4 is placed in the sealing ring installation groove of the box body 1. The cover plate and the left side plate assembly can be disassembled by a screwdriver to repair the internal components or components. Greatly improves the safety and maintainability of the product, and facilitates the on-site maintenance of the device.
[0033] The box body 1 is of an integral structure, and the mounting holes of the box body 1 are all threaded blind holes. While meeting the installation requirements of the device, the sealing performance of the device is ensured.
[0034] There are multiple box body mounting holes, which are arranged outside the sealing ring installation groove. Prevent the installation holes from seeping water into the interior of the box body 1.
[0035] Three connector holes are provided on the front side of the box body 1, and one connector hole is provided on the rear side. Mounting holes are provided around each connector hole for mounting electrical connectors.
[0036] Four indicator light holes are provided on the front side of the box body for installing indicator lights.
[0037] Please refer to Figure 2 , heat dissipation teeth 5 are provided on the outer side of the right side surface of the box body 1 and the outer side of the left side plate 3. Effectively increases the heat dissipation area, which is beneficial to the heat dissipation inside the device under sealed conditions.
[0038] Please refer to Figure 4 , reinforcing ribs are provided on the bottom surface, the right side surface of the box body 1 and the outer side of the left side plate 3; grid-shaped reinforcing ribs are provided on the inner side of the cover plate 2.
[0039] Please refer to Figure 3 Figure 5 , a mounting boss 31 is provided on the inner side of the left side plate 3, and the mounting boss 31 is provided with a threaded blind hole. While meeting the installation of internal components, the sealing performance of the device is ensured. The internal layout is compact, greatly improving the space utilization rate of the box body.
[0040] A positioning strip 32 is provided inside the left side plate 3, which facilitates the installation of the left side plate 3.
[0041] The electrical connectors and indicator lights installed in the waterproof power distribution device are equipped with sealing washers, which are used to seal the connector holes and indicator light holes.
[0042] Working principle: First, place the internal components in the box body, install the electrical connectors and indicator lights, then install the sealing ring 4 in the sealing ring installation groove of the box body 1, and finally use the bolt group to install the left side plate 3 on the left side of the box body 1 and install the cover plate 23 above the box body 1.
[0043] Through the present invention, by using the box body with an integrated structure, axial seals are designed at the joints with the cover plate and the left side plate, and the installation holes are all designed as threaded blind holes. The electrical connectors and indicator lights are equipped with sealing washers to seal the connector holes and indicator light holes, ensuring that the device still has good waterproof and sealing performance in rainy and other humid environments; by providing heat dissipation teeth in the middle of the right side of the box body assembly and the middle of the outside of the left side plate assembly of the waterproof power distribution device structure, the heat dissipation area is effectively increased, which is beneficial to the dissipation of the internal heat of the device under sealed conditions; by providing grid-shaped reinforcing ribs on the outside of the box body, inside the cover plate and outside the left side plate, the mechanical strength, weight and other requirements of the device are taken into account. It has the advantages of light weight and high strength.
[0044] The specific embodiments of the present invention disclosed above are only for illustration, but the present invention is not limited thereto. Any changes that can be conceived by those skilled in the art should fall within the protection scope of the present invention.
Claims
1. A waterproof power distribution device, characterized in that: include: A box body (1), a cover plate (2), a left side plate (3) and a sealing ring (4), wherein the cover plate (2) is installed on the top of the box body (1) by means of bolts passing through the installation holes, and the left side plate (3) is installed on the left side of the box body (1) by means of bolts passing through the installation holes; a sealing ring installation groove is provided on the mating surface of the left side plate of the box body (1) and the mating surface of the cover plate; and the sealing ring (4) is placed in the sealing ring installation groove of the box body (1).
2. The waterproof power distribution device according to claim 1, characterized in that: The box body (1) is an integrated structure, and the mounting holes of the box body (1) are all threaded blind holes.
3. The waterproof power distribution device according to claim 2, characterized in that: There are a plurality of box body mounting holes, which are arranged on the periphery of the sealing ring mounting groove.
4. The waterproof power distribution device according to claim 1, characterized in that: The box body (1) is provided with three connector holes on the front side and one connector hole on the rear side, and mounting holes are provided around each connector hole for mounting an electrical connector.
5. The waterproof power distribution device according to claim 1, characterized in that: The front side of the box is provided with four indicator light holes for installing indicator lights.
6. The waterproof power distribution device according to claim 1, characterized in that: Heat dissipation teeth (5) are provided on the outer side of the right side surface of the box body (1) and the outer side of the left side plate (3).
7. The waterproof power distribution device according to claim 1, characterized in that: The bottom surface, right side surface and the outer side of the left side plate (3) of the box body (1) are provided with reinforcing ribs; the inner side of the cover plate (2) is provided with lattice-shaped reinforcing ribs.
8. The waterproof power distribution device according to claim 1, characterized in that: The inner side of the left side plate (3) is provided with a mounting boss (31), and the mounting boss (31) is provided with a threaded blind hole.
9. The waterproof power distribution device according to claim 1, characterized in that: A positioning strip (32) is provided on the inner side of the left side plate (3).
10. The waterproof power distribution device according to claim 1, characterized in that: The electrical connectors and indicator lights installed in the waterproof distribution unit are equipped with sealing gaskets.
Citation Information
Patent Citations
Small-sized junction box for power distribution
CN210246225U