CN219085883U

CN219085883U - Vacuum circuit breaker

Info

Publication number: CN219085883U
Application number: CN202222592156.6U
Authority: CN
Inventors: 荣新雷
Original assignee: Real Intelligent Control Equipment Wuxi Co ltd
Current assignee: Real Intelligent Control Equipment Wuxi Co ltd
Priority date: 2022-09-29
Filing date: 2022-09-29
Publication date: 2023-05-26
Anticipated expiration: 2032-09-29

Abstract

The utility model belongs to the technical field of circuit breakers, in particular to a vacuum circuit breaker which comprises a circuit breaker body and a driving mechanism, wherein the driving mechanism is arranged in a base shell at the lower part of the circuit breaker body, the driving mechanism comprises a transmission shaft movably arranged on the base shell, a fixed sleeve is fixedly sleeved on the transmission shaft, a single drive rod is fixedly connected to the outer wall of the fixed sleeve, the single drive rod is in transmission connection with the lower end of an insulating rod in the circuit breaker body through a connecting rod, and one end of the transmission shaft extends to the outside of the base shell and is fixedly connected with a crank. According to the utility model, the switch-on or switch-off driving mechanism is arranged on the circuit breaker, and the single driving rod position on the driving mechanism is debugged, so that the operation mode can be flexibly switched, the single driving can be realized, the two simultaneous driving or the three simultaneous driving can be realized, the switching operation of the operation mode is realized only by a sliding transmission shaft, the structure is simple, the operation is convenient, and the use requirement can be better adapted.

Description

Vacuum circuit breaker

Technical Field

The utility model relates to the technical field of circuit breakers, in particular to a vacuum circuit breaker.

Background

When the permanent magnet vacuum circuit breaker is used, the common operating mechanism is generally controlled by single phase or operated by three phases simultaneously, the aim of any two-phase simultaneous operation cannot be realized, the flexibility is low, the operation mode is single, and the use requirement cannot be met conveniently.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a vacuum circuit breaker, which solves the problems that the aim of any two-phase operation cannot be realized, the flexibility is low and the operation mode is single.

(II) technical scheme

The utility model adopts the following technical scheme for realizing the purposes:

the utility model provides a vacuum circuit breaker, includes circuit breaker body and actuating mechanism, actuating mechanism settles in the base casing of circuit breaker body lower part, and actuating mechanism is including the transmission shaft of activity settling on the base casing to fixed cover is equipped with fixed cover on the transmission shaft, fixedly connected with single item actuating lever on the outer wall of fixed cover, single item actuating lever passes through the connecting rod and is connected with the transmission of the insulating rod lower extreme in the circuit breaker body, and the outside fixedly connected with crank of base casing is extended to the one end of transmission shaft.

Further, the single drive rod on the fixed sleeve is set to four groups, namely a first rod body, a second rod body, a third rod body and a fourth rod body, the first rod body is driven by three items at the same time, the second rod body and the third rod body are driven by two items at the same time, the fourth rod body is driven by a single item, convex rods matched with connecting rings at the end parts of the connecting rods are arranged on the first rod body, the second rod body, the third rod body and the fourth rod body, the connecting rings at one end of the connecting rods are rotationally connected with the convex rods, the connecting rings at the other end of the connecting rods are in transmission connection with the lower end of the insulating rods, and the first rod body, the second rod body, the third rod body and the fourth rod body are distributed on the fixed sleeve at equal intervals and are all provided with three, and the rotating rods are rotationally connected on the crank.

Further, a vacuum arc-extinguishing chamber is arranged on the upper portion of the base shell of the circuit breaker body, an upper wiring terminal and a lower wiring terminal are arranged on the vacuum arc-extinguishing chamber, and an insulating rod is fixedly connected to the lower end of a moving contact arranged on the lower wiring terminal.

(III) beneficial effects

Compared with the prior art, the utility model provides a vacuum circuit breaker, which has the following beneficial effects:

according to the utility model, the switch-on or switch-off driving mechanism is arranged on the circuit breaker, and the single driving rod position on the driving mechanism is debugged, so that the operation mode can be flexibly switched, the single driving can be realized, the two simultaneous driving or the three simultaneous driving can be realized, the switching operation of the operation mode is realized only by a sliding transmission shaft, the structure is simple, the operation is convenient, and the use requirement can be better adapted.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of a driving mechanism according to the present utility model;

fig. 3 is a schematic structural view of the fixing sleeve and the single driving rod in the present utility model.

In the figure: 1. a circuit breaker body; 101. a vacuum arc extinguishing chamber; 102. an upper wiring terminal; 103. a lower connection terminal; 104. a base housing; 2. a driving mechanism; 201. a transmission shaft; 202. a fixed sleeve; 203. a single drive rod; 2031. a first rod body; 2032. a second rod body; 2033. a third rod body; 2034. a fourth rod body; 204. a connecting rod; 205. a crank; 206. and rotating the rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

As shown in fig. 1 and 2, one embodiment of the present utility model proposes: the utility model provides a vacuum circuit breaker, including circuit breaker body 1 and actuating mechanism 2, actuating mechanism 2 is settled in the base casing 104 of circuit breaker body 1 lower part, utilize base casing 104 to install actuating mechanism 2 on circuit breaker body 1 steadily, so that actuating mechanism 2 drives circuit breaker body 1 and close and break the floodgate operation, and actuating mechanism 2 includes the transmission shaft 201 of activity settling on base casing 104, and fixed cover is equipped with fixed cover 202 on transmission shaft 201, fixedly connected with single drive pole 203 on the outer wall of fixed cover 202, transmission shaft 201 realizes the transmission of power, drive fixed cover 202 and single drive pole 203 on it together rotate, utilize the single drive pole 203 of rotation to drive the movable contact between binding post 102 and the lower binding post 103 in circuit breaker body 1, realize the close connection switch-on circuit between the two, the disconnection circuit, single drive pole 203 is connected with the insulator lower extreme transmission in circuit breaker body 1 through connecting rod 204, connecting rod 204 will link together with the insulator rod, realize the drive operation to the movable contact on the insulator rod, the one end of transmission shaft 201 extends to the outside of base casing 205, the outside of the fixed connection 205 of crank 205 has the insulator handle 205, the outside the fixed connection of crank 205 is connected with the insulator handle 205 and can be realized here, can be changed in order to realize the actual operation in order to realize the transmission shaft 201, the change according to the demand of the need of the crank, can be used for the driven by the operator, can be changed in order to realize the actual operation is realized.

As shown in fig. 1, 2 and 3, in some embodiments, the single driving rods 203 on the fixing sleeve 202 are set into four groups, which are respectively a first rod 2031, a second rod 2032, a third rod 2033 and a fourth rod 2034, the first rod 2031 is driven three times, the second rod 2032 and the third rod 2033 are driven two times simultaneously, the fourth rod 2034 is driven one time, convex rods matched with connecting rings at the end parts of the connecting rods 204 are arranged on the first rod 2031, the second rod 2032, the third rod 2033 and the fourth rod 2034, the connecting rings at one end of the connecting rods 204 are connected with the convex rods in a rotating way, so that the single driving rods 203 are connected with the connecting rods 204 smoothly, and in the driving process, the connecting rods 204 generate rotation angles suitable for the operation, so that motion interference is avoided, the driving operation is ensured to be completed smoothly, the connecting rings at the other end of the connecting rods 204 are connected with the lower ends of the insulating rods in a transmission way, the first rod 2031, the second rod 2032, the third rod 2033 and the fourth rod 2034 are equally spaced on the fixed sleeve 202 and are all provided with three rods 206, the crank 205 is rotatably connected with the rotary rod 206, the first rod 2031 is positioned on the same plane, the second rod 2032 is positioned on the same plane, the third rod 2033 is positioned on the same plane, the included angle between the planes of the first rod 2031 and the second rod 2032 is sixty degrees, the included angle between the planes of the second rod 2032 and the third rod 2033 is sixty degrees, the first rod 2031, the second rod 2032 and the third rod 2033 are clockwise deflected on the fixed sleeve 202, the fourth rod 2034 is deflected by thirty degrees and is anticlockwise arranged on the fixed sleeve 202, the initial position of the fixed sleeve 202 is positioned at the three simultaneous driving positions of the single driving rod 203, if debugging is needed, the transmission shaft 201 is pushed to slide in the base housing 104, the first rod 2031 is separated from the lower end of the connecting rod 204, and then the transmission shaft 201 is rotated, and one of the second rod 2032, the third rod 2033 and the fourth rod 2034 on the fixed sleeve 202 is adjusted to the corresponding position of the connecting rod 204 according to the requirements, for example: the phase position on the breaker body 1 is defined as A, B, C, the position of the rod body is adjusted according to actual requirements, A, B, C is simultaneously driven, A, B is simultaneously driven, A, C is simultaneously driven, B, C is simultaneously driven, A is driven, B is driven, C is driven, after position adjustment is completed, the transmission shaft 201 is pulled, the corresponding rod body is connected with the connecting rod 204, and the transmission shaft 201 is rotated accordingly, so that switching-on or switching-off operation can be realized.

As shown in fig. 1, in some embodiments, a vacuum arc-extinguishing chamber 101 is disposed on the upper portion of a base housing 104 of a circuit breaker body 1, so as to avoid surge breakdown caused by arc generated in the connection process of an upper wiring terminal 102 and a lower wiring terminal 103, improve the safety of switching-on and switching-off operations, and the vacuum arc-extinguishing chamber 101 is provided with the upper wiring terminal 102 and the lower wiring terminal 103, and the lower end of a moving contact disposed on the lower wiring terminal 103 is fixedly connected with an insulating rod, so that a driving mechanism 2 drives the moving contact to move through the insulating rod, and further achieve the closing connection and the opening operation between the upper wiring terminal 102 and the lower wiring terminal 103.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. Vacuum circuit breaker, including circuit breaker body (1) and actuating mechanism (2), its characterized in that: the driving mechanism (2) is arranged in a base shell (104) at the lower part of the circuit breaker body (1), the driving mechanism (2) comprises a transmission shaft (201) movably arranged on the base shell (104), a fixing sleeve (202) is fixedly sleeved on the transmission shaft (201), a single driving rod (203) is fixedly connected to the outer wall of the fixing sleeve (202), the single driving rod (203) is in transmission connection with the lower end of an insulating rod in the circuit breaker body (1) through a connecting rod (204), and one end of the transmission shaft (201) extends to a crank (205) fixedly connected to the outside of the base shell (104).

2. A vacuum interrupter as defined in claim 1, wherein: the single-item driving rods (203) on the fixed sleeve (202) are arranged into four groups, namely a first rod body (2031), a second rod body (2032), a third rod body (2033) and a fourth rod body (2034), wherein the first rod body (2031) is driven by three items at the same time, the second rod body (2032) and the third rod body (2033) are driven by two items at the same time, and the fourth rod body (2034) is driven by a single item.

3. A vacuum interrupter as defined in claim 2, wherein: convex rods matched with connecting rings at the end positions of the connecting rods (204) are arranged on the first rod body (2031), the second rod body (2032), the third rod body (2033) and the fourth rod body (2034), the connecting rings at one end of the connecting rods (204) are rotationally connected with the convex rods, and the connecting rings at the other end of the connecting rods (204) are in transmission connection with the lower ends of the insulating rods.

4. A vacuum interrupter as defined in claim 2, wherein: the first rod body (2031), the second rod body (2032), the third rod body (2033) and the fourth rod body (2034) are distributed on the fixed sleeve (202) at equal intervals, and three rods are arranged.

5. A vacuum interrupter as defined in claim 1, wherein: a rotating rod (206) is rotatably connected to the crank (205).

6. A vacuum interrupter as defined in claim 1, wherein: the circuit breaker is characterized in that a vacuum arc-extinguishing chamber (101) is arranged on the upper portion of a base shell (104) of the circuit breaker body (1), an upper wiring terminal (102) and a lower wiring terminal (103) are arranged on the vacuum arc-extinguishing chamber (101), and an insulating rod is fixedly connected to the lower end of a moving contact arranged on the lower wiring terminal (103).