Vacuum circuit breaker

By introducing an adjustment component into the vacuum circuit breaker, the synchronous and unidirectional movement and status maintenance of the locking pins are achieved, solving the problem of multi-person collaborative operation and enabling a single person to quickly disassemble the circuit breaker body.

CN223911586UActive Publication Date: 2026-02-13QRELE ELECTRIC CO LTD
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Patent Information

Application Number
CN202423074680.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-13
Publication Date
2026-02-13
Estimated Expiration
2034-12-13

AI Technical Summary

Technical Problem

The disassembly of existing vacuum circuit breakers requires multiple operators to work together, making the disassembly process cumbersome and lacking an effective positioning structure.

Method used

An adjustment component was designed, including a rotating part and a driving part. The rotating part controls the synchronous and unidirectional movement of the locking pin, and maintains the state after the locking pin is disengaged from the connecting block, simplifying single-person operation.

Benefits of technology

It enables a single person to disassemble the circuit breaker body, simplifying the operation process and improving disassembly efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

A vacuum circuit breaker comprises a mounting base and a circuit breaker body, lifting grooves are formed in the left end and the right end of the circuit breaker body, inserting grooves are formed in the left side and the right side of the top of the mounting base, connecting blocks are arranged between the lifting grooves and the inserting grooves, and clamping columns used for preventing the connecting blocks from being separated from the mounting base are arranged on the mounting base. Mounting blocks exposed out of the mounting base are arranged on the clamping columns, positioning bolts perpendicular to the moving direction of the mounting blocks are arranged on the mounting blocks, an adjusting assembly capable of controlling the two clamping columns to synchronously move in the same direction is arranged between the two positioning bolts, and the adjusting assembly controls the clamping columns to move through rotation. And the state is kept after the clamping column is separated from the connecting block. The device has the advantages that the two clamping columns can be simultaneously driven to move synchronously in the same direction through the adjusting assembly, the clamping columns do not need to be operated one by one, after the clamping columns are separated from the connecting blocks, the adjusting assembly can keep the state, operation can be completed by only one person, and convenience and rapidness are achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to circuit breaker technical field especially a vacuum circuit breaker. BACKGROUND

[0002] The circuit breaker is a switch device that can close, carry and open the current under normal circuit conditions and can close, carry and open the current under abnormal circuit conditions within a specified time. The circuit breaker is divided into high-voltage circuit breakers and low-voltage circuit breakers according to its use range. The high-low voltage boundary is relatively vague. Generally, the voltage above 3kV is called high-voltage electrical apparatus. The vacuum high-voltage circuit breaker is named because its arc-extinguishing medium and the insulation medium of the gap between the contacts after arc extinction are high vacuum. It has the advantages of small size, light weight, wide applicability and few maintenance times, and is widely used in distribution networks.

[0003] Publication (announcement) No. CN217933594U discloses a vacuum circuit breaker, which comprises a mounting seat and a circuit breaker body. The left and right ends of the circuit breaker body are provided with lifting grooves. The inside of the lifting grooves is provided with a connecting block. The top of the mounting seat is provided with a slot on the left and right sides. The connecting block is fixedly connected to the inside of the slot through a clamping assembly. The clamping assembly comprises a clamping column extending into the inside of the mounting seat. The outside of the clamping column is provided with a sliding groove. A sliding block is slidably arranged in the inside of the sliding groove. A spring is fixedly installed between the sliding block and the side wall of the sliding groove. The sliding block is fixedly connected with the clamping column. A clamping groove is formed in the connecting block. The clamping column cooperates with the clamping groove. This vacuum circuit breaker is fixedly clamped on the mounting seat by setting the mounting seat and cooperating with the clamping column, the sliding groove, the sliding block, the spring, the connecting block and the slot. It is convenient to replace and disassemble the circuit breaker body. It is simple and convenient, but it has defects. When the operating personnel operates the clamping column to make it separate from the connecting block, the clamping column will be restored to the connection and cooperation with the connecting block due to the self-resetting effect of the spring. No positioning structure is provided. When the circuit breaker body is disassembled from the mounting seat, multiple operating personnel are needed to intervene, i.e. one operating personnel operates two clamping columns to separate from the connecting block, and another operating personnel operates the disassembly action of the circuit breaker body, which makes the disassembly process more complicated. UTILITY MODEL CONTENTS

[0004] The utility model solves the above-mentioned problems of the prior art.

[0005] The utility model discloses a technical scheme that solves its technical problem is adopted: this vacuum circuit breaker, including installation base and circuit breaker body, the left and right ends of circuit breaker body all are seted up and have gone up and have fallen into the groove, the left and right sides of the top of installation base all are seted up and have gone up and have fallen into the slot, the connection block is shared between the going up and falling into the groove and the slot, is provided with the clamping post for preventing the connection block from separating from the installation base on the installation base, is provided with the mounting block exposed outside the installation base on the clamping post, is provided with the fixed bolt perpendicular to the moving direction of mounting block on the mounting block, is provided with the adjusting assembly that can control the synchronous same -direction movement of two clamping posts simultaneously between two fixed bolts, adjusting assembly controls the clamping post movement through rotation, and realizes state retention after the clamping post separates from the connection block.

[0006] Further improvement, adjusting assembly includes rotation part and two drive parts, rotation part rotation is arranged on the front end surface of installation base, and one end of drive part is rotationally arranged in rotation part, and the other end is rotationally arranged in fixed bolt.

[0007] Further improvement, rotation part is set as block member, and the block member is in diamond shape with rotation part and two connection parts, the rotation part is rotationally arranged on the front end surface of installation base through shaft, and the connection part is provided with first insertion hole, and one end of drive part is rotationally connected to the connection part through connecting bolt.

[0008] Further improvement, drive part is set as rod-shaped member, and the rod-shaped member is in square shape, and both ends of the rod-shaped member are provided with second insertion hole, one second insertion hole is rotationally connected to fixed bolt, and the other second insertion hole is rotationally connected to connecting bolt.

[0009] Further improvement, the length of rod-shaped member is greater than the interval length formed between fixed bolt and connecting bolt.

[0010] Further improvement, the rotation part is provided with a retaining rod, and the front end surface of the installation base is provided with a retaining hole, and the clamping post and the connection block are in a separated state when the retaining rod is inserted into the retaining hole.

[0011] Further improvement, the rotation part of the retaining rod and the rotation part of the rotation part are provided with a threaded structure that allows the retaining rod to always remain on the rotation part of the rotation part.

[0012] The utility model discloses the beneficial effect is:

[0013] The utility model discloses through adjusting assembly can drive two clamping posts synchronous same -direction movement simultaneously, so do not need to operate clamping post one by one, and after the clamping post separates from the connection block, adjusting assembly can keep this state, so need not more working personnel to intervene, only one person can complete, convenient and fast. ACCURACY OF DRAWINGS

[0014] Figure 1 It is the full profile structure schematic diagram of the utility model.

[0015] Figure 2 It is the structure schematic view of the utility model;

[0016] Figure 3 It is the structure schematic view of the utility model rotation part;

[0017] Figure 4 It is the structure schematic view of the utility model drive part;

[0018] Figure 5 It is the structure schematic view of the utility model mounting base and circuit breaker body.

[0019] Figure 6 It is the structure schematic view of the utility model, to show the state of the clamping post disengaging from the connecting block. DETAILED DESCRIPTION

[0020] The utility model will be further described below in conjunction with the drawings:

[0021] Referring to the drawings: this vacuum circuit breaker, including mounting base 1 and circuit breaker body 2, the left and right ends of circuit breaker body 2 are all provided with lifting groove 21, the top left and right sides of mounting base 1 are all provided with insertion slot 11, connecting block 3 is arranged between lifting groove 21 and insertion slot 11, mounting base 1 is provided with clamping post 4 for preventing connecting block 3 from disengaging from mounting base 1, clamping post 4 is provided with mounting block 41 exposed outside mounting base 1, mounting block 41 is provided with positioning bolt 5 perpendicular to the moving direction of mounting block 41, adjusting assembly 6 for simultaneously controlling the synchronous and same direction movement of the two clamping posts 4 is arranged between the two positioning bolts 5, adjusting assembly 6 controls the movement of clamping post 4 by rotating and realizes state retention after clamping post 4 disengages from connecting block 3.The principle of the utility model lies in, the synchronous and same direction movement of the two clamping posts 4 can be driven by adjusting assembly 6, namely, when unlocking, adjusting assembly 6 drives clamping post 4 to move away from connecting block 3, when locking, adjusting assembly 6 drives clamping post 4 to move close to connecting block 3, so that it is not necessary to operate clamping post 4 one by one, and after clamping post 4 disengages from connecting block 3, adjusting assembly 6 can keep this state, so that it is not necessary to involve multiple workers, and only one person can complete, which is convenient and fast.

[0022] Adjusting assembly 6 includes rotating part 61 and two drive parts 62, rotating part 61 is rotationally arranged on the front end face of mounting base 1, drive part 62 one end is rotationally arranged in rotating part 61, the other end is rotationally arranged in positioning bolt 5, rotating part 61 is used to realize rotational motion, drive part 62 is used to convert the rotational motion of rotating part 61 into kinetic energy for driving clamping post 4 to move linearly, and drive part 62 has two, so that adjusting assembly 6 can drive the synchronous and same direction movement of the two clamping posts 4 by rotating.

[0023] The rotating part 61 is provided as a block-shaped member, which is in a diamond-shaped configuration with a rotating part 611 and two connecting parts 612, the rotating part is rotatably arranged on the front end face of the mounting base 1 through the shaft 7, the connecting part 612 is provided with a first insertion hole 6111, one end of the driving part 62 is rotatably connected with the connecting part 612 through the connecting bolt 8, the rotating part 611 is used to realize the rotatable connection between the rotating part 61 and the mounting base 1, and the connecting part 612 is used to realize the rotatable connection between the rotating part 61 and the driving part 62, and the connecting bolt 8 is used as a connecting component to simplify the connecting structure and ensure the connecting stability, that is, the rod segment of the connecting bolt 8 passes through the connecting part 612 and the driving part 62 at the same time, so that the driving part 62 is arranged between the connecting part 612 and the cap segment of the connecting bolt 8, so as to realize the rotatable connection without interfering with the rotation of the driving part 62, and the rotation fluency of the driving part 62 can be adjusted through the connecting bolt 8 (depending on the distance between the driving part 62 and the cap segment of the connecting bolt 8).

[0024] The driving part 62 is provided as a rod-shaped member, which is in a rectangular-shaped configuration, both ends of the rod-shaped member are provided with second insertion holes 621, one of the second insertion holes 621 is rotatably connected with the positioning bolt 5, and the other second insertion hole 621 is rotatably connected with the connecting bolt 8, so that the driving part 62 has the ability to be rotatably connected with the connecting bolt 8 and the positioning bolt 5 at the same time, and has a length required by use.

[0025] The length of the rod-shaped member is greater than the distance between the positioning bolt 5 and the connecting bolt 8, so that the driving part 62 does not interfere with the rotation of the rotating part 61, and the end of the driving part 62 connected with the rotating part 61 can be changed from the middle side position of the rotating part 61 to the upper side position.

[0026] The rotating part 611 is provided with a retaining rod 9, and the front end face of the mounting base 1 is provided with a retaining hole 12, when the retaining rod 9 is inserted into the retaining hole 12, the clamping column 4 and the connecting block 3 are in a separated state, so that the rotating part 61 can be prevented from rotating, and the adjusting assembly 6 can maintain this state after the clamping column 4 is separated from the connecting block 3.

[0027] The retaining rod 9 and the rotating part 611 are provided with a threaded structure 10, so that the retaining rod 9 can be prevented from being lost, that is, the threaded connection can be realized.

[0028] Although the utility model has been illustrated and described by referring to the preferred embodiments, it should be understood by those skilled in the art that various changes in form and details can be made within the scope of the claims.

Claims

1. A vacuum circuit breaker, comprising a mounting base (1) and a circuit breaker body (2), both left and right ends of the circuit breaker body (2) are provided with lifting grooves (21), both left and right sides of the top of the mounting base (1) are provided with insertion grooves (11), and a connecting block (3) is arranged between the lifting grooves (21) and the insertion grooves (11), a clamping column (4) is arranged on the mounting base (1) to prevent the connecting block (3) from being separated from the mounting base (1), characterized in that: The card column (4) is provided with a mounting block (41) exposed outside the mounting base (1), the mounting block (41) is provided with a positioning bolt (5) perpendicular to the moving direction of the mounting block (41), two positioning bolts (5) are provided with an adjusting assembly (6) capable of simultaneously controlling the synchronous and same direction movement of two card columns (4), the adjusting assembly (6) controls the movement of the card column (4) by rotating, and realizes state retention after the card column (4) is separated from the connecting block (3).

2. The vacuum circuit breaker of claim 1, wherein: The adjusting assembly (6) comprises a rotating part (61) and two driving parts (62), the rotating part (61) is rotatably arranged on the front end face of the mounting base (1), and the driving part (62) is rotatably arranged on the rotating part (61) at one end and rotatably arranged on the positioning bolt (5) at the other end.

3. The vacuum circuit breaker of claim 2, wherein: The rotating part (61) is arranged as a block-shaped member, the block-shaped member is in a diamond-shaped structure with a rotating part (611) and two connecting parts (612), the rotating part is rotatably arranged on the front end face of the mounting base (1) through a shaft (7), the connecting part (612) is provided with a first insertion hole (6111), one end of the driving part (62) is rotatably connected with the connecting part (612) through a connecting bolt (8).

4. The vacuum circuit breaker of claim 3, wherein: The driving part (62) is arranged as a rod-shaped member, the rod-shaped member is in a rectangular structure, both ends of the rod-shaped member are provided with a second insertion hole (621), one of the second insertion holes (621) is rotatably connected with the positioning bolt (5), and the other second insertion hole (621) is rotatably connected with the connecting bolt (8).

5. The vacuum circuit breaker of claim 4, wherein: The length of the rod-shaped member is greater than the distance length formed between the positioning bolt (5) and the connecting bolt (8).

6. The vacuum circuit breaker of claim 3, wherein: The rotating part (611) is provided with a retaining insertion rod (9), the front end face of the mounting base (1) is provided with a retaining hole (12), when the retaining insertion rod (9) is inserted into the retaining hole (12), the card column (4) and the connecting block (3) are in a separated state.

7. The vacuum circuit breaker of claim 6, wherein: Threaded structures are arranged between the retaining insertion rod (9) and the rotating part (611) to always keep the retaining insertion rod (9) on the rotating part (611).

Citation Information

Patent Citations

  • Vacuum circuit breaker

    CN217933594U