Novel network cabinet waterproof sealing structure
By incorporating internal and external sealing structures and a water-guiding structure within the network cabinet, the problems of poor waterproofing and insufficient durability in existing technologies are resolved, achieving higher waterproofing performance and cabinet sealing.
Patent Information
- Application Number
- CN202520162383.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-23
- Publication Date
- 2026-02-03
- Estimated Expiration
- 2035-01-23
AI Technical Summary
Existing waterproof sealing structures for network cabinets suffer from problems such as high difficulty in application, easy detachment of sealing strips, unsuitability for large-sized cabinets, and easy leakage at joints, thus failing to effectively guarantee waterproof performance and durability.
A double sealing structure is installed between the door frame and the door leaf. The inner sealing strip fits tightly to the door leaf, and the outer sealing strip fits tightly to the door frame. Leaking water is discharged through a water-guiding structure. Vulcanized sealing strips and steel strip sealing strips are used to improve the sealing performance.
It greatly improves the waterproof effect, ensures the airtightness and durability of the cabinet, enhances the IP protection level, and solves the problems of water leakage and insufficient durability in traditional designs.
Smart Images
Figure CN223872568U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of industrial automation cabinet technology, specifically to a novel waterproof and sealing structure for network cabinets. Background Technology
[0002] The basic principle of the waterproof sealing structure of the network cabinet is to achieve a tight fit between the door and the door frame when locked by setting a sealing structure between the door and the door frame, thereby achieving a waterproof effect.
[0003] Currently, the following types of waterproof and sealing structures are used for network cabinets:
[0004] 1. Waterproof sealing structure one for network cabinets: Waterproofing is achieved by applying adhesive (instead of sealing strips) to the door and ensuring a tight seal with the door frame. The disadvantages are: applying the adhesive requires specialized equipment and can only be done on flat surfaces; it also requires controlling the quality and dimensions of the foaming process, making it quite challenging.
[0005] 2. Waterproof sealing structure two for network cabinets: A self-adhesive sealing strip (ribbon) is pasted onto the door or door frame to achieve a tight seal and waterproofing. Its disadvantages are: the sealing strip is prone to falling off after the adhesive ages; water leakage is likely at the joints; and positioning fixtures are required for installation.
[0006] 3. Waterproof sealing structure three for network cabinets: Waterproofing is achieved by installing a self-adhesive sealing strip (integral type) on the door frame, which fits tightly against the door. Its disadvantage is that it is only suitable for small-sized chassis and not for large-sized cabinets.
[0007] 4. Waterproof sealing structure four for network cabinets: Waterproofing is achieved by installing a sealing strip on the door frame profile groove, ensuring a tight seal with the door. Its disadvantage is that it requires installation in a special groove, commonly used in aluminum alloy profiles.
[0008] 5. Waterproof sealing structure five for network cabinets: Waterproofing is achieved by installing self-clamping sealing strips on the door frame profiles to ensure a tight seal with the door. Its disadvantages are: a minimum bending radius must be met, otherwise leaks are likely; leaks are also prone to occur at the joints. Utility Model Content
[0009] The purpose of this utility model is to overcome the shortcomings in the above-mentioned background technology and provide a new type of waterproof sealing structure for network cabinets, which should have the characteristics of good waterproof effect and sturdiness and durability.
[0010] The technical solution of this utility model is:
[0011] A novel waterproof and sealing structure for a network cabinet includes a door frame and a door leaf; characterized in that: the door frame has an inner frame protruding towards one side of the door leaf, and an inner sealing strip is installed on the inner frame; the inner side of the door leaf has an outer frame protruding towards one side of the door frame, and an outer sealing strip is installed on the outer frame; when the door leaf is closed, the outer sealing strip surrounds the inner sealing strip, the outer sealing strip is tightly fitted with the door frame to form a first layer of waterproofing, and the inner sealing strip is tightly fitted with the door leaf to form a second layer of waterproofing.
[0012] Both the inner and outer frames are rectangular; the outline of the outer frame is larger than that of the inner frame.
[0013] A water guiding structure is provided between the outer frame and the inner frame, including a water guiding ditch at the top of the inner frame and a drain outlet at the bottom of the outer frame.
[0014] The inner frame is formed by an inner frame U-shaped component; the inner frame U-shaped component is formed by a door frame through a second folding, and the inner sealing strip is inserted into the folded edge of the inner frame U-shaped component.
[0015] The outer frame is formed by an outer frame U-shaped component; one side of the outer frame U-shaped component is fixed to the door leaf, and the inner sealing strip is inserted into the other side of the outer frame U-shaped component.
[0016] The outer sealing strip is a steel strip sealing strip; the inner sealing strip is a vulcanized sealing strip.
[0017] The door leaf is mounted on the door frame via hinges, and a closing mechanism is provided between the door frame and the door leaf.
[0018] The beneficial effects of this utility model are:
[0019] This utility model incorporates two waterproofing layers between the door frame and the door leaf, greatly improving the waterproofing effect. The leaked water is then discharged outward through a water-guiding structure, ensuring the airtightness and durability of the cabinet and improving its IP protection level. Attached Figure Description
[0020] Figure 1 This is a schematic diagram of the main structure of this utility model.
[0021] Figure 2 This is a schematic diagram of the left-side structure of this utility model.
[0022] Figure 3 This is a top view of the structure of this utility model.
[0023] Figure 4 yes Figure 3 A magnified structural diagram of part A in the middle.
[0024] Figure 5 This is a schematic diagram of the main structure of the door frame of this utility model.
[0025] Figure 6 This is a schematic diagram of the left-side structure of the door frame of this utility model.
[0026] Figure 7 This is a top view of the door frame structure of this utility model.
[0027] Figure 8 This is a rear view structural diagram of the door leaf of this utility model.
[0028] Figure 9 This is a schematic diagram of the left-side structure of the door leaf of this utility model.
[0029] Figure 10 This is a top view of the door panel of this utility model.
[0030] Figure 11 This is a three-dimensional structural diagram of the U-shaped outer frame of this utility model.
[0031] Attached reference numerals: 1. Door frame; 2. Door leaf; 3. Inner frame; 3. Drainage channel; 3-1. Flanged edge; 3-2. Inner sealing strip; 4. Outer frame; 5. Drain outlet; 5-1. Outer sealing strip; 6. Detailed Implementation
[0032] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely for explaining the present utility model and are not intended to limit the present utility model.
[0033] like Figure 1 As shown, a novel waterproof and sealing structure for a network cabinet includes a door frame 1 and a door leaf 2. The door leaf is rotatably mounted on the door frame via hinges, and a closing mechanism is disposed between the door frame and the door leaf for locking the door leaf. The closing mechanism is a three-point closing mechanism. Both the hinges and the closing mechanism are existing technologies.
[0034] The door frame has an inner frame 3, and an inner sealing strip 4 is installed on the inner frame. The inner frame is rectangular and protrudes to one side of the door leaf. The inner frame is formed by four inner frame U-shaped pieces, wherein: the inner frame U-shaped pieces are formed by folding the inner edge of the door frame twice, and the cross-section of the inner frame U-shaped pieces is U-shaped; the upper inner frame U-shaped piece is horizontally arranged with the notch facing upward, the lower inner frame U-shaped piece is horizontally arranged with the notch facing downward, and the inner frame U-shaped pieces on both sides are vertically arranged with the notches facing to the sides (the notches face away from each other); the ends of two adjacent inner frame U-shaped pieces are fixed to each other to ensure a sealing effect; a ring of inner sealing strip is inserted into the flange 3-2 of the inner frame U-shaped piece, and the flange maintains a certain distance from the door frame.
[0035] The door leaf has an outer frame 5, and an outer sealing strip 6 is installed on the outer frame. The outer frame is rectangular and fixed to the inside of the door leaf, thus protruding to one side of the door frame. The outer frame is formed by four outer frame U-shaped members, wherein: one side panel of the outer frame U-shaped member is fixed to the inside of the door leaf, and the outer sealing strip is inserted into the other side panel; the upper outer frame U-shaped member is horizontally arranged with its recess facing upward, the lower outer frame U-shaped member is horizontally arranged with its recess facing downward, and the two side outer frame U-shaped members are vertically arranged with their recesses facing to the sides (the recesses face away from each other).
[0036] A water-guiding structure is provided between the outer frame and the inner frame. The water-guiding structure includes a water-guiding channel 3-1 and a drain outlet 5-1. The recess in the U-shaped part of the upper inner frame serves as the water-guiding channel. Figures 8-11 As shown, the outer frame U-shaped component located below has a notch. This notch is located in the middle of the wall panel (the side wall panel fixed to the inside of the door leaf) of the outer frame U-shaped component and connects the upper and lower parts of the outer frame U-shaped component. This notch serves as the drain outlet.
[0037] The inner sealing strip is a vulcanized sealing strip. The outer sealing strip is a steel strip sealing strip.
[0038] The outer frame has a larger outline than the inner frame. When the door is closed, the outer frame surrounds the inner frame, and the outer sealing strip also surrounds the inner sealing strip. The outer sealing strip is tightly fitted to the door frame, and the inner sealing strip is tightly fitted to the door.
[0039] The working principle of this utility model is as follows:
[0040] 1. The door leaf and door frame are waterproofed by two layers, one inside and one outside. The outer sealing strip is tightly fitted to the door frame to form one layer of waterproofing, and the inner sealing strip is tightly fitted to the door leaf to form a second layer of waterproofing.
[0041] 2. One layer of waterproofing can block most water. Even if a small amount of water penetrates the first layer of waterproofing (location B in the diagram), it will only cause leakage. At this point, the water pressure has decreased. The second layer of waterproofing can then block this leakage, ensuring the waterproofing effect.
[0042] 3. For example Figure 1 , Figure 3 As indicated by the arrows, the leaking water first flows to both sides through the drainage ditch, then flows downwards to the U-shaped part of the outer frame below, then flows from both sides towards the center, and finally flows downwards through the leak outlet.
[0043] 4. Vulcanized sealing strips are closed structures made by splicing steel strip sealing strips using a vulcanization process, which overcomes the defect of water leakage at the joints of steel strip sealing strips.
[0044] 5. Based on the above design, this utility model improves the sealing and durability of the cabinet compared to the traditional single-layer waterproof design, enabling the cabinet to achieve a higher IP protection rating.
[0045] The accompanying drawings illustrate preferred embodiments of the present invention. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a thorough and complete understanding of the disclosure of the present invention.
Claims
1. A novel waterproof and sealing structure for a network cabinet, comprising a door frame (1) and a door leaf (2); characterized in that: The door frame is provided with an inner frame (3) protruding to one side of the door leaf, and an inner sealing strip (4) is installed on the inner frame; the inner side of the door leaf is provided with an outer frame (5) protruding to one side of the door frame, and an outer sealing strip (6) is installed on the outer frame; when the door leaf is closed, the outer sealing strip surrounds the inner sealing strip, the outer sealing strip is tightly fitted with the door frame to form a waterproof layer, and the inner sealing strip is tightly fitted with the door leaf to form a second waterproof layer.
2. The novel waterproof sealing structure for a network cabinet according to claim 1, characterized in that: Both the inner and outer frames are rectangular; the outline of the outer frame is larger than that of the inner frame.
3. The novel waterproof sealing structure for a network cabinet according to claim 2, characterized in that: A water guiding structure is provided between the outer frame and the inner frame, including a water guiding ditch (3-1) located at the top of the inner frame and a drain outlet (5-1) located at the bottom of the outer frame.
4. The novel waterproof sealing structure for a network cabinet according to claim 3, characterized in that: The inner frame is formed by an inner frame U-shaped component; the inner frame U-shaped component is formed by a door frame through a second folding, and the inner sealing strip is inserted into the folded edge of the inner frame U-shaped component.
5. The novel waterproof sealing structure for a network cabinet according to claim 4, characterized in that: The outer frame is formed by an outer frame U-shaped component; one side of the outer frame U-shaped component is fixed to the door leaf, and the inner sealing strip is inserted into the other side of the outer frame U-shaped component.
6. The novel waterproof sealing structure for a network cabinet according to claim 5, characterized in that: The outer sealing strip is a steel strip sealing strip; the inner sealing strip is a vulcanized sealing strip.
7. A novel waterproof sealing structure for a network cabinet according to claim 6, characterized in that: The door leaf is mounted on the door frame via hinges, and a closing mechanism is provided between the door frame and the door leaf.