Waterproof structure for door plate of medium-voltage power distribution cabinet

By using a combination of U-shaped rubber slot structure and sealant on the door panel of the medium-voltage distribution cabinet, the waterproof problem of the medium-voltage distribution cabinet door panel in harsh environments is solved, and a high-performance waterproof barrier and durability are achieved, which is suitable for a variety of complex environments.

CN223348198UActive Publication Date: 2025-09-16THE 704TH RES INST OF CHINA STATE SHIPBUILDING CORP
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Patent Information

Application Number
CN202422611719.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-28
Publication Date
2025-09-16
Estimated Expiration
2034-10-28

AI Technical Summary

Technical Problem

The door panels of existing medium-voltage distribution cabinets are difficult to maintain long-term waterproof performance in harsh environments, and the material, shape and installation method of the sealing strips limit the waterproof effect.

Method used

The medium-voltage distribution cabinet door panel adopts a waterproof U-shaped rubber groove structure. Through the close fit of the rubber groove plate and the door frame and the use of sealant, a solid waterproof barrier is formed, and the elastic deformation of the rubber material is used to achieve all-round waterproofing.

Benefits of technology

Improved waterproof performance and durability, ensuring long-term waterproof effect in harsh environments, wide application range and easy installation.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223348198U_ABST
Patent Text Reader

Abstract

The utility model relates to a waterproof structure of a door plate of a medium-voltage power distribution cabinet, which comprises a rubber groove plate, a left door frame, an upper cross beam door frame, a lower cross beam door frame and a right door frame, the left door frame, the upper cross beam door frame, the lower cross beam door frame and the right door frame on the door frame of the power distribution cabinet are matched to form a water retaining coaming, and the rubber groove plate is fully welded on the door plate. Sealant and rubber materials are placed in the rubber groove plate to form a waterproof structure with a water retaining coaming on a door frame of the power distribution cabinet. And a U-shaped rubber clamping groove is formed in the rubber groove plate. When the power distribution cabinet door plate is closed, the U-shaped parts of the U-shaped rubber clamping grooves are tightly attached to the left door frame, the upper cross beam door frame, the lower cross beam door frame and the right door frame of the power distribution cabinet door frame, and a firm waterproof barrier is formed through elastic deformation of sealant and rubber materials in the U-shaped rubber clamping grooves. The waterproof structure has the advantages of being excellent in waterproof performance, high in durability, easy and convenient to install, wide in application range and the like, and can be widely applied to waterproof and arc discharge prevention treatment of the door plate of the medium-voltage power distribution cabinet in various severe environments.
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Description

Technical Field

[0001] The utility model relates to a medium voltage distribution cabinet door panel, in particular to a medium voltage distribution cabinet door panel waterproof structure Background Art

[0002] The waterproof door structure of the distribution box in the prior art includes a sealing groove provided on the cabinet door facing the side of the distribution box cabinet body, a sealing strip is laid in the sealing groove, and the door edge of the distribution box cabinet body is formed with a first extension edge extending outward perpendicular to the cabinet surface of the distribution box cabinet body, and the first extension edge is formed with a second extension edge extending outward parallel to the cabinet surface of the distribution box cabinet body, and the second extension edge corresponds to the position of the sealing strip in the sealing groove of the cabinet door, which has the advantages of better waterproof ability and higher waterproof grade. However, the door panels of the existing medium-voltage distribution cabinets are waterproofed with simple sealing strips, but the sealing performance is often limited by the material, shape and installation method of the sealing strips, and it is difficult to maintain a long-term waterproof effect in harsh environments (such as heavy rain, floods, etc.). Therefore, in order to effectively improve the waterproof ability of the distribution cabinet and ensure that the internal components are protected from damage in a humid environment, a more stable and reliable waterproof structure is needed to ensure the safe operation of the distribution cabinet. Summary of the Invention

[0003] This utility model proposes a waterproof structure for medium-voltage distribution cabinet door panels. This structure utilizes a waterproof U-shaped rubber slot structure, utilizing innovative design concepts and high-quality materials, effectively addressing the issue of insufficient waterproofing in distribution cabinet door panels. This structure offers superior waterproofing, durability, ease of installation, and a wide range of applications. It can be widely used for waterproofing and arc-leakage prevention in medium-voltage distribution cabinet door panels in a variety of harsh environments.

[0004] To achieve the above-mentioned purpose, the technical solution of the utility model is: a medium-voltage distribution cabinet door panel waterproof structure, including a rubber groove plate, a left door frame, an upper crossbeam door frame, a lower crossbeam door frame, and a right door frame. The left door frame, the upper crossbeam door frame, the lower crossbeam door frame, and the right door frame on the distribution cabinet door frame cooperate to form a water retaining plate. The rubber groove plate is fully welded to the door panel. Sealant and rubber material are placed in the rubber groove plate and form a waterproof structure together with the water retaining plate on the distribution cabinet door frame.

[0005] Furthermore, a U-shaped rubber groove is provided in the rubber groove plate.

[0006] Furthermore, the U-shaped rubber slot is provided with an end side bent edge.

[0007] Furthermore, when the distribution cabinet door panel is closed, the U-shaped part of the U-shaped rubber groove fits tightly with the left door frame, upper crossbeam door frame, lower crossbeam door frame and right door frame of the distribution cabinet door frame, and a solid waterproof barrier is formed through the elastic deformation of the sealant in the U-shaped rubber groove and the rubber material.

[0008] The beneficial effects of the utility model are:

[0009] (1) Compared with the prior art, the present invention is more perfect, and the use of high-performance rubber materials ensures the stability and durability of the card slot during long-term use;

[0010] (2) Better waterproof performance and higher protection level. Through the close fit between the U-shaped rubber slot and the door frame and the use of sealant, the door panel of the distribution cabinet is fully waterproof.

[0011] (3) Wide range of applications and easy rubber installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the waterproof structure of the medium voltage distribution cabinet door panel of the utility model;

[0013] Figure 2 This is a schematic diagram of the door panel structure of the medium voltage distribution cabinet;

[0014] Figure 3 This is a schematic diagram of the medium voltage distribution cabinet door panel and the fully welded rubber groove plate;

[0015] Figure 4 This is a partial enlarged view of the door panel with fully welded rubber groove installed on the door panel of the medium-voltage distribution cabinet. DETAILED DESCRIPTION

[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0017] like Figures 1 to 4 As shown, the present invention provides a waterproof structure for a medium-voltage power distribution cabinet door panel, comprising a rubber channel plate 1, a left door frame 2, an upper crossbeam door frame 3, a lower crossbeam door frame 4, and a right door frame 5. The left door frame 2, the upper crossbeam door frame 3, the lower crossbeam door frame 4, and the right door frame 5 on the cabinet frame cooperate to form a water retaining panel. The rubber channel plate 1 is fully welded to the door panel. Sealant and rubber material are placed inside the rubber channel plate 1, forming a waterproof structure together with the water retaining panel on the cabinet frame.

[0018] The rubber groove plate 1 is a U-shaped rubber groove. The U-shaped rubber groove is provided with an end side bent edge.

[0019] When the door panel of the distribution cabinet is closed, the U-shaped part of the U-shaped rubber groove fits tightly with the left door frame 2, upper crossbeam door frame 3, lower crossbeam door frame 4, and right door frame 5 of the distribution cabinet door frame, forming a solid waterproof barrier through the elastic deformation of the sealant in the groove and the rubber material.

[0020] During long-term use, due to the good elasticity and recovery of the rubber material, the U-shaped rubber groove can maintain close contact with the door frame, effectively preventing moisture penetration.

[0021] Specific implementation of the utility model:

[0022] (1) The trough plate is provided with a curved edge on the end side, so that the trough plate can be placed stably on the panel, which is convenient for welding positioning;

[0023] (2) When assembling, select and install the foam rubber strips of appropriate size (the size is usually set by the designer);

[0024] (3) After installation, test the waterproof performance of the door panel.

[0025] The main difference between this utility model and the existing disclosed technology is that this application can be applied to a variety of non-standard size switch cabinets, and the rubber groove plate and rubber specifications can be flexibly adjusted to meet the waterproof requirements of door panels in various complex environments.

[0026] This structure offers superior waterproofing, durability, ease of installation, and a wide range of applications. It can be widely used for waterproofing and arc-leakage prevention of medium-voltage distribution cabinet doors in a variety of harsh environments. It can be used with a variety of non-standard switchgear sizes, and the rubber channel and rubber specifications can be flexibly adjusted to meet the waterproofing requirements of door panels in a variety of complex environments.

Claims

1. A waterproof structure for a door panel of a medium voltage distribution cabinet, characterized by: It includes a rubber trough plate, a left door frame, an upper crossbeam door frame, a lower crossbeam door frame, and a right door frame. The left door frame, the upper crossbeam door frame, the lower crossbeam door frame, and the right door frame on the distribution cabinet door frame cooperate to form a water retaining plate. The rubber trough plate is fully welded to the door panel. Sealant and rubber materials are placed in the rubber trough plate to form a waterproof structure together with the water retaining plate on the distribution cabinet door frame.

2. The waterproof structure of the door panel of the medium voltage distribution cabinet according to claim 1 is characterized in that: A U-shaped rubber slot is provided in the rubber slot plate.

3. The waterproof structure of the door panel of the medium voltage distribution cabinet according to claim 2 is characterized in that: The U-shaped rubber slot is provided with an end side bent edge.

4. The waterproof structure of the door panel of the medium voltage distribution cabinet according to claim 1 is characterized in that: When the door panel of the distribution cabinet is closed, the U-shaped part of the U-shaped rubber groove fits tightly with the left door frame, upper crossbeam door frame, lower crossbeam door frame and right door frame of the distribution cabinet door frame, and a solid waterproof barrier is formed through the sealant in the U-shaped rubber groove and the elastic deformation of the rubber material.