An adaptive sealing and protection component for switch cabinet enclosure and busbar

By designing threaded limit components and reinforcement mechanisms, the problems of cumbersome operation and unstable connection of existing sealing and protection components have been solved, enabling rapid installation and disassembly at the connection between the switchgear and the busbar, and improving sealing performance and maintenance convenience.

CN224318943UActive Publication Date: 2026-06-02JIANGSU LIANGWEI ELECTRIC CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JIANGSU LIANGWEI ELECTRIC CO LTD
Filing Date
2025-07-17
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

Existing sealing and protection components are cumbersome to operate at the connection between the switchgear and the busbar, and the bolt connections are unstable, affecting sealing performance and ease of maintenance.

Method used

By employing threaded limiting components and reinforcement mechanisms, and through the snap-fit ​​between the flange and the limiting sleeve and the cooperation of the sliding sleeve, the protective pipe can be quickly installed and disassembled, ensuring a stable connection of the sealing components.

Benefits of technology

It enables rapid installation and removal of seals, improves the stability and integrity of threaded limit assemblies, and simplifies the maintenance and inspection process.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224318943U_ABST
    Figure CN224318943U_ABST
Patent Text Reader

Abstract

This utility model discloses an adaptive sealing and protection component for switchgear cabinet and busbar, belonging to the field of busbar installation technology. The component includes a protective tube with a pair of flanges fitted on its outer side. A limit sleeve is provided on the outer side of each flange. A set of bolts arranged in a circular array are threaded into the inner side of each flange. A set of positioning holes is provided on both the upper and lower sides of the flange. Reinforcing mechanisms are provided at both ends of the limit sleeve. Each reinforcing mechanism includes a sliding sleeve, with a set of positioning rods fixedly connected to one side of the sliding sleeve. This design incorporates a threaded limit component, allowing for quick installation and removal of the seal without adjusting the threaded components. This facilitates subsequent replacement, maintenance, and inspection of the seal. Furthermore, the reinforcement component integrates the limit components into a single unit, improving the overall integrity and stability of the threaded limit component and ensuring effective installation.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of busbar installation technology, and more specifically, to an adaptive sealing and protection component for switch cabinet and busbar. Background Technology

[0002] Busbars are conductors used to connect electrical equipment between switchgear cabinets and inside the cabinets, enabling the collection, distribution, and transmission of electrical energy. In the event of a short circuit, they can withstand the heating and electrodynamic forces generated by the short-circuit current. Since the busbars need to pass through the switchgear cabinet during installation, sealing and protective components are required to seal and protect the connection between the switchgear cabinet and the busbars to ensure the airtightness of the switchgear.

[0003] Based on the above, the inventors have discovered that existing sealing and protection components mainly consist of sleeves, which are fixed to the cabinet connection point using bolts and flanges. Therefore, each time the sleeve is maintained, the bolts need to be adjusted. If this is done too often, it can easily affect the connection stability of the bolts. At the same time, adjusting the bolts each time is cumbersome and inconvenient. Therefore, in view of this, the inventors have researched and improved the existing structure to provide an adaptive sealing and protection component for the switch cabinet and busbar, in order to achieve a more practical purpose. Utility Model Content

[0004] 1. Technical problems to be solved

[0005] To address the problems existing in the prior art, the purpose of this utility model is to provide an adaptive sealing protection component for switch cabinet and busbar. This solution is equipped with a threaded limiting component, which allows for quick installation and removal of the seal without the need for thread adjustment, facilitating the later replacement, maintenance and inspection of the seal. Furthermore, a reinforcement component is provided to make the limiting component connected as a whole, improving the integrity and stability of the threaded limiting component and ensuring the installation effect.

[0006] 2. Technical Solution

[0007] To solve the above problems, the present invention adopts the following technical solution.

[0008] An adaptive sealing and protection assembly for switch cabinet and busbar includes a protective tube, a pair of flanges sleeved on the outside of the protective tube, and a limit sleeve provided on the outside of the flanges.

[0009] The flange has an internal threaded connection with a set of bolts arranged in a ring array, and a set of positioning holes are provided on both the upper and lower sides of the flange. The two ends of the limiting sleeve are provided with a reinforcing mechanism.

[0010] Furthermore, the reinforcement mechanism includes a sliding sleeve, one side of which is fixedly connected to a set of positioning rods, and the other side of which is fixedly connected to a set of guide rods.

[0011] Furthermore, a sealing gasket is fixedly connected in the center of the interior of the protective tube. The sealing gasket is made of silicone and both ends of the sealing gasket are inclined.

[0012] Furthermore, the outer surface of the protective tube is provided with a threaded groove, and the limiting sleeve is threadedly connected to the threaded groove on the outer surface of the protective tube.

[0013] Furthermore, the sliding sleeve is slidably connected to the limiting sleeve, and the positioning rod is snapped into the positioning hole.

[0014] Furthermore, one end of the guide rod is located inside the limiting sleeve, and the guide rod is slidably connected to the limiting sleeve. A return spring is fixedly connected to one end of the guide rod.

[0015] 3. Beneficial effects

[0016] Compared with existing technologies, the advantages of this utility model are:

[0017] (1) In this solution, the flange is fixed to the surface of the cabinet by bolts, and then the protective tube is passed through the flange. The limiting sleeve is then rotated to connect with the protective tube so that the limiting sleeve fits against the outer surface of the flange, thus fixing the protective tube. Conversely, the limiting sleeve is rotated to separate from the protective tube, so that the protective tube can be removed and repaired. Compared with the existing technology, the threaded limiting component can be set up to quickly install and remove the seal without adjusting the threaded component, which is convenient for the later replacement, maintenance and inspection of the seal.

[0018] (2) By setting up a reinforcement mechanism, the limit sleeve fits against the outer side of the flange. When the sliding sleeve is loosened, the guide rod drives the sliding sleeve to reset under the action of the reset spring. Then the positioning rod is engaged with the positioning hole, so that the flange and the limit sleeve are connected as a whole. Compared with the existing technology, setting up a reinforcement component makes the limit components connected as a whole, which improves the integrity and stability of the threaded limit component and ensures the installation effect. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 2 This is a cross-sectional view of the overall structure of this utility model;

[0021] Figure 3 This is an exploded view of the overall structure of this utility model;

[0022] Figure 4 This is a schematic diagram of the reinforcement mechanism of this utility model.

[0023] The following are the labels in the diagram: 1. Protective pipe; 2. Flange; 3. Limit sleeve; 4. Sealing gasket; 5. Bolt; 6. Positioning hole; 7. Reinforcing mechanism; 8. Sliding sleeve; 9. Positioning rod; 10. Guide rod; 11. Return spring. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0025] Example:

[0026] Please see Figure 1-4 An adaptive sealing protection component for switch cabinet body and busbar includes a protective pipe 1, a pair of flanges 2 sleeved on the outside of the protective pipe 1, and a limit sleeve 3 provided on the outside of the flanges 2.

[0027] The flange 2 has a set of bolts 5 arranged in a ring array for internal thread connection, and a set of positioning holes 6 are opened on both the upper and lower sides of the flange 2. The two ends of the limiting sleeve 3 are equipped with a reinforcing mechanism 7. First, the protective tube 1 is passed through the connection position of the cabinet, and then the two flanges 2 are installed at both ends of the protective tube 1 respectively, so that the inner side of the two flanges 2 is in contact with the inner surface and outer surface of the cabinet respectively, and then the flanges 2 are fixed by bolts 5.

[0028] See Figure 4 The reinforcing mechanism 7 includes a sliding sleeve 8. A set of positioning rods 9 are fixedly connected to one side of the sliding sleeve 8, and a set of guide rods 10 are fixedly connected to the other side of the sliding sleeve 8. The reinforcing mechanism 7 is provided to improve the installation stability of the connector.

[0029] See Figure 2 The protective tube 1 has a sealing gasket 4 fixedly connected in the center. The sealing gasket 4 is made of silicone and both ends of the sealing gasket 4 are set at an angle. The busbar connection end passes through the protective tube 1 and enters the cabinet. The sealing gasket 4 is attached to the outer surface of the busbar connection position to ensure the connection is sealed.

[0030] See Figure 1 The outer surface of the protective pipe 1 is provided with a threaded groove. The limiting sleeve 3 is threadedly connected to the threaded groove on the outer surface of the protective pipe 1. The limiting sleeve 3 is rotated at both ends of the protective pipe 1 to move towards the flange 2.

[0031] See Figure 3The sliding sleeve 8 is slidably connected to the limiting sleeve 3, and the positioning rod 9 is engaged with the positioning hole 6. Moving the sliding sleeve 8 outward causes the positioning rod 9 and the guide rod 10 to move until the limiting sleeve 3 is in contact with the outer side of the flange 2, and then the sliding sleeve 8 is released.

[0032] See Figure 4 One end of the guide rod 10 is located inside the limiting sleeve 3, and the guide rod 10 is slidably connected to the limiting sleeve 3. A return spring 11 is fixedly connected to one end of the guide rod 10. Under the action of the return spring 11, the guide rod 10 drives the sliding sleeve 8 to reset, and the positioning rod 9 is engaged with the positioning hole 6, so that the flange 2 and the limiting sleeve 3 are connected as a whole.

[0033] In use: First, pass the protective tube 1 through the connection point of the cabinet. Then, install the two flanges 2 at both ends of the protective tube 1, so that the inner sides of the two flanges 2 are respectively in contact with the inner and outer surfaces of the cabinet. Then, fix the flanges 2 with bolts 5. Next, rotate the limiting sleeves 3 at both ends of the protective tube 1, so that the limiting sleeves 3 move towards the flanges 2. At the same time, move the sliding sleeve 8 outward, driving the positioning rod 9 and the guide rod 10 to move until the limiting sleeve 3 is in contact with the outer side of the flange 2. Release the sliding sleeve 8. Under the action of the return spring 11, the guide rod 10 drives the sliding sleeve 8 to return to its original position. Positioning rod 9 engages with positioning hole 6, connecting flange 2 and limit sleeve 3 to form a whole, completing the installation and fixing of protective pipe 1. Then, the busbar connection end passes through protective pipe 1 and enters the cabinet. The sealing gasket 4 is attached to the outer surface of the busbar connection position to ensure the connection is sealed. Conversely, the sliding sleeve 8 is moved outward to separate positioning rod 9 from positioning hole 6. Then, the limit sleeve 3 is rotated in the opposite direction to separate it from protective pipe 1, allowing for the removal and maintenance of protective pipe 1. During this process, flange 2 is fixed to the cabinet with bolts 5, eliminating the need for disassembly and facilitating the subsequent reinstallation of protective pipe 1.

[0034] Finally, it should be noted that in the description of this utility model, the terms "vertical," "upper," "lower," "horizontal," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0035] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0036] The above description is merely a preferred embodiment of this utility model; however, the protection scope of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the technical scope disclosed in this utility model, based on the technical solution and its improved concept, should be included within the protection scope of this utility model.

Claims

1. An adaptive sealing and protection assembly for switchgear cabinet and busbar, comprising a protective tube (1), characterized in that: A pair of flanges (2) are fitted on the outside of the protective pipe (1), and a limit sleeve (3) is provided on the outside of the flanges (2); The flange (2) has a set of bolts (5) arranged in a ring array inside the threaded connection, and a set of positioning holes (6) are provided on both the upper and lower sides of the flange (2). The limiting sleeve (3) is provided with a reinforcing mechanism (7) at both ends.

2. The adaptive sealing and protection assembly for switchgear cabinet and busbar according to claim 1, characterized in that: The reinforcement mechanism (7) includes a sliding sleeve (8), one side of which is fixedly connected to a set of positioning rods (9), and the other side of which is fixedly connected to a set of guide rods (10).

3. The adaptive sealing and protection assembly for switchgear cabinet and busbar according to claim 1, characterized in that: The protective tube (1) is fixedly connected to a sealing gasket (4) in the center. The sealing gasket (4) is made of silicone and both ends of the sealing gasket (4) are inclined.

4. The adaptive sealing and protection assembly for switchgear cabinet and busbar according to claim 1, characterized in that: The outer surface of the protective tube (1) is provided with a threaded groove, and the limiting sleeve (3) is threadedly connected to the threaded groove on the outer surface of the protective tube (1).

5. The adaptive sealing and protection assembly for switchgear cabinet and busbar according to claim 2, characterized in that: The sliding sleeve (8) is slidably connected to the limiting sleeve (3), and the positioning rod (9) is snapped into the positioning hole (6).

6. The adaptive sealing and protection assembly for switchgear cabinet and busbar according to claim 2, characterized in that: The inner end of the guide rod (10) is located inside the limiting sleeve (3), and the guide rod (10) is slidably connected to the limiting sleeve (3). A return spring (11) is fixedly connected to the inner end of the guide rod (10).