Contact structure of high-voltage switch

By adopting the design of cylindrical contact head and elastic friction head in the high-voltage switch contact structure, the problem of poor removal of oxide layer is solved, efficient and safe removal effect is achieved, and the installation and adjustment of contacts is simplified, and the installation and adjustment of contacts is expanded. Range of use.

CN222190564UActive Publication Date: 2024-12-17HANGZHOU CHANGHAI POWER TECH CO LTD
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Patent Information

Application Number
CN202421112329.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-21
Publication Date
2024-12-17
Estimated Expiration
2034-05-21

AI Technical Summary

Technical Problem

The surface oxide layer on the existing high-voltage switch contacts has extremely poor removal effect, which requires separate treatment and is risky and difficult to operate.

Method used

A contact structure of a high-voltage switch is designed, using an adjustment component and a contact component rotatably connected on the top of the bottom plate. The contact component includes a cylindrical contact head, anti-slip marking, contact plate, outer cover sleeve and elastic friction head, which are inserted in the contact plate through the contact plate. Scrape and remove oxides during the process, reduce labor intensity and improve operational safety.

Benefits of technology

It realizes efficient removal of oxides on the surface of the contact, reduces labor intensity, improves operating safety and removal effect, and simplifies the installation and adjustment of the contacts by damping the rotating disc and transfer shaft, expanding the scope of use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a contact structure of a high-voltage switch, which comprises a bottom plate, the top of the bottom plate is rotatably connected with an adjusting assembly used for adjusting the installation position of a contact, one side of a guide plate is fixedly connected with a contact assembly, the contact assembly comprises a cylindrical contact fixedly connected with the adjusting assembly, and the contact assembly is fixedly connected with the adjusting assembly. The surface of the contact head is provided with antiskid lines, and the surface of the contact head is movably connected with a contact plate. According to the contact structure of the high-voltage switch, the contact assembly is arranged, the surface of the contact head is directly scraped through the front contact plate in each plugging process, the contact head adopts a cylindrical shape, the contact plate can smoothly and completely clean oxides in the moving process, and meanwhile, the handle is completely insulated, so that the contact head is convenient to use. And meanwhile, additional independent cleaning work is avoided, the labor intensity is reduced, the operation safety is improved, and the cleaning effect is guaranteed.
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Description

Technical Field

[0001] The utility model relates to the technical field of contact structures, in particular to a contact structure of a high-voltage switch. Background Art

[0002] Contact is one of the key components of switching electrical appliances.

[0003] The patent with announcement number CN219512971U discloses a contact structure of an automatic transfer switch, including a square shaft, a driving connecting rod, a moving contact, a soft connection, a static contact, a connecting plate, a contact bracket, an elastic element and a lower connecting rod; the driving connecting rod, the lower connecting rod, the contact bracket and the switch base are connected to form a four-bar linkage; the operating mechanism of the automatic transfer switch drives the square shaft to rotate around its central axis, the driving connecting rod is connected to the square shaft and drives the driving connecting rod to rotate; the moving contact is provided with a waist-shaped hole A and a waist-shaped hole B, the contact bracket is provided with a waist-shaped hole C, and the elastic element is installed between the moving contact and the contact bracket, and its pressure makes the moving contact have a tendency to move to the lower right relative to the contact bracket. This patent performs self-grinding of the moving and static contacts when closing the switch, so that the oxide layer on the contact points of the moving and static contacts is polished and reduced, thereby reducing the resistance between the moving and static contacts and increasing the contact area, so as to improve the electrical life and temperature rise performance of the dual power automatic transfer switch.

[0004] The existing method needs to remove the oxide layer on the contact surface, but the cleaning effect is extremely poor, each time it needs to be handled separately, and it is high-risk and difficult to operate. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a contact structure for a high-voltage switch, which solves the problems of extremely poor cleaning effect, need for separate treatment each time, high risk and difficult operation.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a contact structure of a high-voltage switch, comprising a base plate, the top of the base plate is rotatably connected to an adjustment component for adjusting the contact installation position, one side of the guide plate is fixedly connected to a contact component, the contact component comprises a contact head fixedly connected to the adjustment component, the contact head is cylindrical in shape, and an anti-slip pattern is arranged on the surface, a contact plate is movably connected to the surface of the contact head, an outer cover sleeve is fixedly connected to the surface of the contact plate, a handle is fixedly connected to the surface of the outer cover sleeve, an elastic friction head is fixedly connected to the inner side of the outer cover sleeve, and an external guide sleeve is fixedly connected to the other side of the contact plate.

[0007] Preferably, the adjustment component comprises a damping rotating disk rotatably connected to the top of the base plate, and the surface of the damping rotating disk is provided with anti-slip textures.

[0008] Preferably, a stabilizing block is fixedly connected to the middle of the top of the damping rotating disk, and reinforcing ribs are arranged on the surface of the stabilizing block.

[0009] Preferably, a protective groove is provided on the top of the surface of the stabilizing block, and a rubber insulating film is provided on the inner wall of the protective groove.

[0010] Preferably, the inner wall of the protection groove is rotatably connected to a transmission shaft, and the surface of the transmission shaft is fixedly connected to a guide plate.

[0011] Beneficial Effects

[0012] The utility model provides a contact structure of a high-voltage switch. Compared with the prior art, it has the following advantages:

[0013] Beneficial effects:

[0014] (1) The contact structure of the high-voltage switch is connected to an adjustment component for adjusting the contact installation position through the top rotation of the bottom plate, and a contact component is fixedly connected to one side of the guide plate. The contact component includes a contact head fixedly connected to the adjustment component, one end of the contact head is fixedly connected to one side of the guide plate surface, the contact head is cylindrical in shape, and an anti-slip pattern is provided on the surface of the contact head. A contact plate is movably connected to the surface of the contact plate, an outer cover sleeve is fixedly connected to the surface of the outer cover sleeve, a handle is fixedly connected to the surface of the outer cover sleeve, an elastic friction head is fixedly connected to the inner side of the outer cover sleeve, and an external guide sleeve is fixedly connected to the other side of the contact plate. By utilizing the setting of the contact component, the surface of the contact head is directly scraped by the front contact plate during each plug-in process. Since the contact head adopts a cylindrical shape, the contact plate can smoothly clean all the oxides during the moving process. At the same time, the handle is completely insulated, and additional separate cleaning labor is avoided. This not only reduces the labor intensity, but also improves the operation safety and ensures the cleaning effect.

[0015] (2) The contact structure of the high-voltage switch includes a damping rotating disk rotatably connected to the top of the base plate through an adjustment component, the surface of the damping rotating disk is provided with anti-slip patterns, a stabilizing block is fixedly connected to the middle of the top of the damping rotating disk, the surface of the stabilizing block is provided with reinforcing ribs, a protective groove is opened on the top of the surface of the stabilizing block, a rubber insulating film is provided on the inner wall of the protective groove, a transmission shaft is rotatably connected to the inner wall of the protective groove, and a guide plate is fixedly connected to the surface of the transmission shaft. By utilizing the setting of the adjustment component, the orientation of the contact can be simply adjusted directly through the damping rotating disk, and the pitch angle can be simply adjusted through the transmission shaft, which facilitates the installation and use of the contact at different positions, directly improving the use range of the contact, and the related structure is simple and easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0017] Figure 2 For the utility model Figure 1 A partial enlarged view of the middle A;

[0018] Figure 3 It is a cross-sectional view of the utility model;

[0019] Figure 4 For this utility model Figure 3 A partial enlarged view of point B in the middle.

[0020] In the figure: 1. base plate; 2. adjustment assembly; 21. damping rotating disk; 22. stabilizing block; 23. protection groove; 24. transmission shaft; 25. guide plate; 3. contact assembly; 31. contact head; 32. contact plate; 33. outer cover; 34. handle; 35. elastic friction head; 36. external guide sleeve. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4 , the utility model provides two technical solutions:

[0023] Embodiment 1, a contact structure of a high-voltage switch, comprising a bottom plate 1, the top of the bottom plate 1 is rotatably connected with an adjustment component 2 for adjusting the contact installation position, one side of the guide plate 25 is fixedly connected with a contact component 3, the contact component 3 comprises a contact head 31 fixedly connected to the adjustment component 2, one end of the contact head 31 is fixedly connected to one side of the surface of the guide plate 25, the shape of the contact head 31 is cylindrical, and the surface is provided with anti-skid patterns, the surface of the contact head 31 is movably connected with a contact plate 32, the surface of the contact plate 32 is fixedly connected with an outer cover sleeve 33, the surface of the outer cover sleeve 33 is fixedly connected with a handle 34, the inner side of the outer cover sleeve 33 is fixedly connected with an elastic friction head 35, the other side of the contact plate 32 is fixedly connected An external guide sleeve 36 is connected, the contact head 31, the elastic friction head 35, and the external guide sleeve 36 are all made of copper metal. An insulating cover is arranged on the surface of the external guide sleeve 36. The related structures electrically connected to the contact head 31 are all made of copper metal. An insulating cover is arranged on the outside. The handle 34 is completely insulated. By utilizing the setting of the contact assembly 3, during each plugging process, the surface of the contact head 31 is directly scraped by the front contact plate 32. Since the contact head 31 adopts a cylindrical shape, the contact plate 32 can smoothly clean all the oxides during the movement process. At the same time, the handle 34 is completely insulated, and additional separate cleaning labor is avoided. This not only reduces the labor intensity, but also improves the operating safety and ensures the cleaning effect.

[0024] Embodiment 2 mainly differs from Embodiment 1 in that: a contact structure of a high-voltage switch, an adjusting component 2 comprises a damping rotating disk 21 rotatably connected to the top of a base plate 1, an anti-slip pattern is arranged on the surface of the damping rotating disk 21, a stabilizing block 22 is fixedly connected to the middle of the top of the damping rotating disk 21, a reinforcing rib is arranged on the surface of the stabilizing block 22, a protective groove 23 is opened on the top of the surface of the stabilizing block 22, a rubber insulating film is arranged on the inner wall of the protective groove 23, a transmission shaft 24 is rotatably connected to the inner wall of the protective groove 23, a guide plate 25 is fixedly connected to the surface of the transmission shaft 24, by utilizing the arrangement of the adjusting component 2, the orientation of the contact can be simply adjusted directly through the damping rotating disk 21, and the pitch angle can be simply adjusted through the transmission shaft 24, so that the contact can be installed and used at different positions conveniently, directly improving the use range of the contact, and the related structure is simple and easy to operate.

[0025] The distance between the contact plate 32 and the elastic friction head 35 is extremely short. Since the contact plate 32 is elastic, the position where the oxide layer on the surface of the contact head 31 is scraped off by the contact plate 32 is the position where the contact plate 32 contacts the elastic friction head 35 .

[0026] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0027] During operation, the base plate 1 is installed on the base plate, the damping rotating disk 21 is rotated, and the transmission shaft 24 is adjusted to drive the guide plate 25 to be fixed on the surface of the device. When connected, the handle 34 is directly held, and the outer cover sleeve 33 is sleeved on the surface of the contact head 31. The contact plate 32 first contacts the contact head 31, and the contact plate 32 directly scrapes off the oxide layer on the surface of the contact head 31. After the elastic friction head 35 contacts the contact head 31, the entire circuit is turned on. When the device is fully operated, the device is restored.

[0028] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A contact structure of a high voltage switch, comprising a base plate (1), Features: The top of the base plate (1) is rotatably connected to an adjustment component (2) for adjusting the contact installation position; one side of the guide plate (25) is fixedly connected to a contact component (3); the contact component (3) comprises a contact head (31) fixedly connected to the adjustment component (2); the contact head (31) is cylindrical in shape and has anti-slip patterns on its surface; a contact plate (32) is movably connected to the surface of the contact head (31); an outer cover (33) is fixedly connected to the surface of the contact plate (32); a handle (34) is fixedly connected to the surface of the outer cover (33); an elastic friction head (35) is fixedly connected to the inner side of the outer cover (33); and an external guide sleeve (36) is fixedly connected to the other side of the contact plate (32).

2. A contact structure of a high voltage switch according to claim 1, Features: The adjustment component (2) comprises a damping rotating disk (21) rotatably connected to the top of the base plate (1), and a surface of the damping rotating disk (21) is provided with anti-slip patterns.

3. A contact structure of a high voltage switch according to claim 2, Features: A stabilizing block (22) is fixedly connected to the middle of the top of the damping rotating disk (21), and reinforcing ribs are arranged on the surface of the stabilizing block (22).

4. A contact structure of a high voltage switch according to claim 3, Features: A protective groove (23) is provided on the top of the surface of the stabilizing block (22), and a rubber insulating film is provided on the inner wall of the protective groove (23).

5. A contact structure of a high voltage switch according to claim 4, Features: The inner wall of the protection groove (23) is rotatably connected to a transmission shaft (24), and the surface of the transmission shaft (24) is fixedly connected to a guide plate (25).

Citation Information

Patent Citations

  • Contact structure of automatic change-over switch

    CN219512971U