Compact space adaptive arc extinguish chamber structure

By employing cylindrical fire extinguishing discs and arc extinguishing discs in the arc extinguishing chamber, which facilitates rotation and cleaning, and by installing a filter screen on the sealing cover, the problems of large structural volume and inconvenient cleaning of the arc extinguishing chamber are solved, achieving compact and efficient arc extinguishing disc protection.

CN224053125UActive Publication Date: 2026-03-27JINGDEZHEN JINGGUANG JINGSHENG ELECTRIC CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-17
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

The existing arc-extinguishing chamber has a large structure and the arc-extinguishing plates are not easy to clean, which affects the efficiency of installation and use.

Method used

The first and second extinguishing discs are cylindrical and fixed to the bottom cover for easy rotation and cleaning. A filter screen is installed on the sealed cover to prevent dust from entering.

Benefits of technology

This design achieves a compact arc-extinguishing chamber structure, simplifies the cleaning process of the arc-extinguishing plates, and improves ease of use and protective effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a compact space adaptive type arc extinguish chamber structure, which comprises a cylinder body, the bottom end of the cylinder body is spirally connected with a bottom cover, the inner bottom end of the bottom cover is provided with a first arc extinguish plate, a first fire extinguish sheet and a second arc extinguish sheet are arranged, and the first fire extinguish sheet and the second arc extinguish sheet are arranged in a cylinder manner, so that the structure is compact. The internal space volume of the device can be further reduced, the device is more compact and convenient to use, a first fire extinguishing sheet and a second arc extinguishing sheet are fixed on a bottom cover, so that when the first fire extinguishing sheet and the second arc extinguishing sheet need to be cleaned subsequently, the bottom cover can be rotated manually to be removed from the bottom end of the cylinder, and the device is convenient to use. And the first fire extinguishing sheet and the second arc extinguishing sheet are pulled out from the interior of the cylinder body and then cleaned, so that the operation is simple, the cleaning is convenient, and the subsequent use is convenient.
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Description

TECHNICAL FIELD

[0001] The utility model relates to arc-extinguishing chamber technical field especially, relates to a compact space adaptation type arc-extinguishing chamber structure. BACKGROUND

[0002] Arc-extinguishing chamber is the important component in universal circuit breaker, its function is to eliminate the arc produced when breaking, and the ability of arc-extinguishing chamber to extinguish arc directly influences the breaking performance of circuit breaker. The working principle of arc-extinguishing chamber of the existing universal circuit breaker is that the arc produced by circuit breaker is introduced into arc-extinguishing chamber by arc guide plate, and the arc guide plate in arc-extinguishing chamber eliminates the introduced arc.

[0003] Through mass retrieval, find the fire extinguishing structure such as prior art, volume is bigger, when installing and disassembling, too troublesome, and the arc guide plate in the interior of fire extinguishing chamber needs to be cleaned after working a period of time, and the current arc guide plate is inconvenient to clean.

[0004] Therefore, it is necessary to provide a compact space adaptation type arc-extinguishing chamber structure to solve the above technical problems. CONTENT OF UTILITY MODEL

[0005] The utility model provides a compact space adaptation type arc-extinguishing chamber structure, solve the problem in the background art.

[0006] To solve the above technical problem, the utility model provides a compact space adaptation type arc-extinguishing chamber structure, including the cylinder, the bottom end of the cylinder is spirally connected with the bottom cover, the inside bottom of the bottom cover is provided with the first arc-extinguishing plate, the inside bottom of the bottom cover is provided with the second arc-extinguishing plate in the inside of the first arc-extinguishing plate, the cross section of the first arc-extinguishing plate and the second arc-extinguishing plate is annular structure, the surface of the first arc-extinguishing plate and the second arc-extinguishing plate is provided with the vent hole, by setting up the first arc guide plate and the second arc guide plate, and the first arc guide plate and the second arc guide plate adopt the cylinder setting, can further reduce the space volume in its interior, make it more compact, be convenient for using, secondly, the first arc guide plate and the second arc guide plate are fixed on the bottom cover, so that when needing to clean the first arc guide plate and the second arc guide plate subsequently, can manually rotate the bottom cover, make the bottom cover rotate off from the bottom end of the cylinder, thereby the first arc guide plate and the second arc guide plate are extracted from the interior of the cylinder, then the first arc guide plate and the second arc guide plate are cleaned, and this mode is simple in operation, is convenient for cleaning, and is convenient for subsequent use.

[0007] Preferably, the surface of the cylinder is provided with the gas outlet pipe, one end of the gas outlet pipe is spirally connected with the sealing cover, and the surface of the sealing cover is provided with the filter screen, the filter screen is arranged on the surface of the sealing cover, dust in the external air is prevented from entering the interior of the cylinder through the gas outlet pipe, and the first arc guide plate and the second arc guide plate in the interior of the cylinder can be filtered through the filter screen, which is simple in operation and convenient for protecting the first arc guide plate and the second arc guide plate in the interior of the cylinder.

[0008] Preferably, the bottom end surface of the bottom cover is provided with an arc striking plate.

[0009] Preferably, the vent hole is provided with a plurality of vent holes, and the plurality of vent holes are equidistantly provided on the surface of the first arc extinguishing plate and the second arc extinguishing plate. By providing a plurality of vent holes, the flow of gas can be improved, thereby improving the working efficiency.

[0010] Preferably, the top end of the cylinder body is spirally connected with a top cover, and the top end surfaces of the first arc extinguishing plate and the second arc extinguishing plate are in contact with the inner top end of the top cover. By providing the top cover, the top end of the cylinder body can be sealed, and the interior of the cylinder body can be cleaned.

[0011] Preferably, the cylinder body is provided with a connecting block on the lateral surface, and a fixing hole is provided through the surface of the connecting block. By providing the connecting block and the fixing hole, the cylinder body can be fixed by fasteners, thereby improving the stability during operation.

[0012] Compared with the related art, the compact space adaptive arc extinguishing chamber structure has the following beneficial effects:

[0013] Compared with the prior art, the compact space adaptive arc extinguishing chamber structure has the following beneficial effects:

[0014] The parts not involved in the device are the same as or can be realized by the prior art. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The internal structure diagram of the compact space adaptive arc extinguishing chamber structure provided by the utility model is shown in the figure.

[0016] Figure 2 The structure diagram of the compact space adaptive arc extinguishing chamber structure provided by the utility model is shown in the figure.

[0017] Figure 3A kind of vent structure schematic diagram of compact space adaptive arc-extinguishing chamber structure provided by the utility model.

[0018] Figure 4 Bottom cover structure schematic diagram of compact space adaptive arc-extinguishing chamber structure provided by the utility model.

[0019] Figure 5 Filter screen structure schematic diagram of compact space adaptive arc-extinguishing chamber structure provided by the utility model.

[0020] Reference numerals in the drawing:

[0021] 1, cylinder body;2, bottom cover;3, top cover;4, first arc-extinguishing plate;5, gas outlet pipe;6, arc guide plate;7, sealing cover;8, vent;9, second arc-extinguishing plate;10, filter screen;11, fixing hole;12, connecting block. Specific implementation

[0022] The utility model will be further described below in combination with the drawings and implementation.

[0023] First embodiment

[0024] Please refer to Figures 1-5 A kind of compact space adaptive arc-extinguishing chamber structure, including cylinder body 1, the bottom end of the cylinder body 1 is spirally connected with bottom cover 2, the inside bottom end of the bottom cover 2 is provided with first arc-extinguishing plate 4, the inside bottom end of the bottom cover 2 is provided with second arc-extinguishing plate 9 in the inside of first arc-extinguishing plate 4, the cross section of the first arc-extinguishing plate 4 and second arc-extinguishing plate 9 is annular structure, vent 8 is set through the surface of the first arc-extinguishing plate 4 and second arc-extinguishing plate 9, by setting first fire extinguishing piece and second arc-extinguishing piece, first fire extinguishing piece and second arc-extinguishing piece are further reduced the volume of its interior by being set as cylinder, so that it is more compact, it is convenient to use, secondly first fire extinguishing piece and second arc-extinguishing piece are fixed on bottom cover 2, so that when needing to clean first fire extinguishing piece and second arc-extinguishing piece subsequently, bottom cover 2 can be manually rotated, so that bottom cover 2 is rotated from the bottom end of cylinder body 1, so that first fire extinguishing piece and second arc-extinguishing piece are extracted from the inside of cylinder body 1, then first fire extinguishing piece and second arc-extinguishing piece are cleaned, this mode is simple in operation, it is convenient to clean, it is convenient for subsequent use.

[0025] The working principle of the compact space adaptive arc-extinguishing chamber structure provided by the utility model is as follows:

[0026] This compact, space-adaptive arc-extinguishing chamber structure, by incorporating a first extinguishing disc and a second arc-extinguishing disc, and by using a cylindrical design for both, further reduces its internal volume, making it more compact and easier to use. Furthermore, the first and second extinguishing discs are fixed to the bottom cover 2, allowing for manual rotation of the bottom cover 2 to remove them from the bottom of the cylinder 1 for cleaning. This simple and convenient method facilitates cleaning and subsequent use. A filter screen 10 on the surface of the sealing cover 7 prevents dust from entering the cylinder 1 through the outlet pipe 5, filtering it out. This simple method also protects the first and second extinguishing discs inside the cylinder 1.

[0027] Compared with related technologies, the compact space-adaptive arc-extinguishing chamber structure provided by this utility model has the following beneficial effects:

[0028] This compact, space-adaptive arc-extinguishing chamber structure, by incorporating a first extinguishing disc and a second arc-extinguishing disc, and by using a cylindrical design for both, further reduces its internal volume, making it more compact and easier to use. Furthermore, the first and second extinguishing discs are fixed to the bottom cover 2, allowing for manual rotation of the bottom cover 2 to remove them from the bottom of the cylinder 1 for cleaning. This simple and convenient method facilitates cleaning and subsequent use. A filter screen 10 on the surface of the sealing cover 7 prevents dust from entering the cylinder 1 through the outlet pipe 5, filtering it out. This simple method also protects the first and second extinguishing discs inside the cylinder 1.

[0029] Second Embodiment

[0030] Please refer to the following: Figures 1-5 Based on the compact space-adaptive arc-extinguishing chamber structure provided in the first embodiment of this application, the second embodiment of this application proposes another compact space-adaptive arc-extinguishing chamber structure. The second embodiment is merely a preferred embodiment of the first embodiment, and the implementation of the second embodiment will not affect the separate implementation of the first embodiment.

[0031] Based on Example 1, see [link / reference] Figures 1-5The surface of the barrel 1 is provided with a gas outlet pipe 5, one end of the gas outlet pipe 5 is spirally connected with a sealing cover 7, and the surface of the sealing cover 7 is provided with a filter screen 10, which can prevent dust in the external air from entering the barrel 1 through the gas outlet pipe 5 and can filter the dust through the filter screen 10, so that the first fire extinguishing piece and the second arc extinguishing piece in the barrel 1 are protected.

[0032] On the basis of example one, referring to Figures 1-5 The bottom end surface of the bottom cover 2 is provided with an arc guiding plate 6.

[0033] On the basis of example one, referring to Figures 1-5 The air vent 8 is provided with a plurality of air vents 8, and the plurality of air vents 8 are equidistantly arranged on the surface of the first arc extinguishing plate 4 and the second arc extinguishing plate 9. By arranging a plurality of through holes, the flow of gas is facilitated, thereby improving the working efficiency.

[0034] On the basis of example one, referring to Figures 1-5 The top end of the barrel 1 is spirally connected with a top cover 3, and the top end surface of the first arc extinguishing plate 4 and the second arc extinguishing plate 9 is in contact with the inner top end of the top cover 3. By arranging the top cover 3, the top end of the barrel 1 is sealed, and the inside of the barrel 1 is cleaned.

[0035] On the basis of example one, referring to Figures 1-5 The barrel 1 is provided with a connecting block 12 on the side surface, and the surface of the connecting block 12 is provided with a fixing hole 11. By arranging the connecting block 12 and the fixing hole 11, the barrel 1 can be fixed by fasteners, thereby improving the stability during work.

[0036] It should be noted that all types of components used in the present application are standard components that can be purchased from the market. The specific connection mode of each part adopts the conventional means of bolts, rivets and welding in the prior art. The mechanical parts and electrical equipment adopt conventional models in the prior art. The circuit connection adopts the conventional connection mode in the prior art. The electrical equipment is in communication with the external safe power supply, and the specific description is not made here.

[0037] The above is only an embodiment of the present application, and does not limit the patent range of the present application. Any equivalent structure or equivalent process conversion made by using the contents of the present application specification and drawings, or directly or indirectly applied in other related technical fields, is also included in the patent protection range of the present application.

Claims

1. A compact space adapted arc extinguishing chamber structure comprising a cylinder (1), characterized in that, The bottom end of the barrel (1) is spirally connected with a bottom cover (2), the inside bottom end of the bottom cover (2) is provided with a first arc extinguishing plate (4), the inside bottom end of the bottom cover (2) is provided with a second arc extinguishing plate (9) inside the first arc extinguishing plate (4), the first arc extinguishing plate (4) and the second arc extinguishing plate (9) are annular structures in cross section, and air holes (8) are formed through the surfaces of the first arc extinguishing plate (4) and the second arc extinguishing plate (9).

2. A compact space adapted arc-extinguishing chamber structure according to claim 1, characterized in that The surface of the barrel (1) is provided with a gas outlet pipe (5) penetratingly, one end of the gas outlet pipe (5) is spirally connected with a sealing cover (7), and the surface of the sealing cover (7) is provided with a filter screen (10) penetratingly.

3. A compact space adapted arc-extinguishing chamber structure according to claim 1, characterized in that, The bottom end surface of the bottom cover (2) is provided with an arc leading plate (6).

4. A compact space adapted arc-extinguishing chamber structure according to claim 1, characterized in that, The air holes (8) are provided with a plurality of air holes (8) equidistantly arranged on the surfaces of the first arc extinguishing plate (4) and the second arc extinguishing plate (9).

5. A compact space adapted arc-extinguishing chamber structure according to claim 1, characterized in that, The top end of the barrel (1) is spirally connected with a top cover (3), and the top end surfaces of the first arc extinguishing plate (4) and the second arc extinguishing plate (9) are in contact with the inside top end of the top cover (3).

6. A compact space adapted arc-extinguishing chamber structure according to claim 1, characterized in that The circumferential surface of the barrel (1) is provided with a connecting block (12), and the surface of the connecting block (12) is provided with a fixing hole (11) penetratingly.