CN210575713U

CN210575713U - Connect stable high-pressure vacuum circuit breaker

Info

Publication number: CN210575713U
Application number: CN201922159298.1U
Authority: CN
Inventors: 黄彬洁
Original assignee: Zhejiang Shuowei Power Technology Co Ltd
Current assignee: Zhejiang Shuowei Power Technology Co Ltd
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2020-05-19
Anticipated expiration: 2029-12-05

Abstract

The utility model discloses a connect stable high pressure vacuum circuit breaker, including the supporting seat, still include the vacuum cover, the inside of vacuum cover is provided with two contacts, one of them the bottom at the vacuum cover is installed to the contact, another the contact sets up at the middle part of vacuum cover, and fixedly connected with feeler lever. The utility model discloses in, two contacts through the vacuum cavity in the vacuum sleeve, a setting is in the bottom, one sets up at the middle part through the feeler lever, make the vacuum sleeve inside drive the push pedal downstream through the cylinder, the push pedal promotes the feeler lever downstream, make the contact at middle part to the contact motion of bottom, prevent that the bottom contact from being touched for a long time and dropping, the motion of the last feeler lever of folk prescription, two contact contacts under the spring normal condition, the push pedal is vertical slip in the spout, make the linkage work that vacuum circuit breaker can be stable, the usability of vacuum circuit breaker has been improved.

Description

Connect stable high-pressure vacuum circuit breaker

Technical Field

The utility model relates to a vacuum circuit breaker technical field especially relates to a connect stable high-pressure vacuum circuit breaker.

Background

The vacuum circuit breaker is named because arc extinguishing media and insulating media of a contact gap after arc extinguishing are high vacuum; the arc extinguishing device has the advantages of small volume, light weight, suitability for frequent operation and no need of maintenance for arc extinguishing, and is relatively popularized in power distribution networks.

However, in the conventional high-voltage vacuum circuit breaker, reference is made to an outdoor high-reliability vacuum circuit breaker (with the patent publication number of CN201520255017.1), in which stable connection between an upper contact rod and a lower contact rod is improved, and both the two contact rods need to be pressed inwards, and when the connection is performed, if cylinder control is unstable, the contact rods are broken, or a contact is dropped, so that the high-voltage vacuum circuit breaker is unstable in operation; secondly, in the above-mentioned patent, utilize two cylinders to accomplish the work of high-pressure vacuum circuit breaker, increased high-pressure vacuum circuit breaker's use cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the above problems of the high voltage vacuum circuit breaker, a high voltage vacuum circuit breaker with stable connection is provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a connect stable high-pressure vacuum circuit breaker, includes the supporting seat, still includes the vacuum cover, the inside of vacuum cover is provided with two contacts, one of them the bottom at the vacuum cover is installed to the contact, another the contact sets up at the middle part of vacuum cover, and fixedly connected with feeler lever.

As a further description of the above technical solution:

the extension end of the feeler lever penetrates through the outside of the vacuum sleeve, and sealing plugs are arranged at two ends of the vacuum sleeve.

As a further description of the above technical solution:

the top of feeler lever has cup jointed the telescope tube, the top fixedly connected with connecting block of feeler lever, the bottom of telescope tube is connected with the top of vacuum jacket.

As a further description of the above technical solution:

the vacuum sleeve is installed on the supporting seat, the supporting seat is of a U-shaped structure, a push plate is horizontally arranged at the top of the vacuum sleeve, and the push plate is fixedly connected with the top of the telescopic sleeve.

As a further description of the above technical solution:

the lifting air cylinder is installed on one side of the supporting seat, the top of the lifting air cylinder is fixedly connected with the push plate, the sliding groove is vertically formed in the supporting seat, and the push plate is connected with the sliding groove in a sliding mode.

As a further description of the above technical solution:

the spring is installed at the top of supporting seat, the top and the spring elastic connection of push pedal.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, two contacts through the vacuum cavity in the vacuum sleeve, a setting is in the bottom, one sets up at the middle part through the feeler lever, make the vacuum sleeve inside drive the push pedal downstream through the cylinder, the push pedal promotes the feeler lever downstream, make the contact at middle part to the contact motion of bottom, prevent that the bottom contact from being touched for a long time and dropping, the motion of the last feeler lever of folk prescription, two contact contacts under the spring normal condition, the push pedal is vertical slip in the spout, make the linkage work that vacuum circuit breaker can be stable, the usability of vacuum circuit breaker has been improved.

2. The utility model discloses in, the motion of single cylinder through vacuum circuit breaker drives the feeler lever, accomplishes vacuum circuit breaker's work, has saved the use of cylinder, and simple structure has reduced vacuum circuit breaker's use cost, has improved vacuum circuit breaker's economic nature.

Drawings

Fig. 1 shows a front view provided in accordance with an embodiment of the present invention;

fig. 2 shows an internal structure diagram provided according to an embodiment of the present invention;

fig. 3 shows a contact structure diagram provided according to an embodiment of the present invention.

Illustration of the drawings:

1. a supporting seat; 2. a lifting cylinder; 3. pushing the plate; 4. a spring; 5. a telescopic sleeve; 6. a vacuum sleeve; 7. a sealing plug; 8. a chute; 9. connecting blocks; 10. a contact; 11. a feeler lever.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a connect stable high-pressure vacuum circuit breaker, includes supporting seat 1, still includes vacuum cover 6, and the inside of vacuum cover 6 is provided with two contacts 10, and one of them contact 10 is installed in the bottom of vacuum cover 6, utilizes the motion of a contact 10, has reduced the loss of bottom contact 10, has improved vacuum circuit breaker job stabilization nature, and another contact 10 sets up at the middle part of vacuum cover 6, and fixedly connected with feeler lever 11.

Specifically, as shown in fig. 1 to 3, the extending end of the feeler lever 11 penetrates to the outside of the vacuum sleeve 6, and the sealing plugs 7 are mounted at both ends of the vacuum sleeve 6, so that the sealing performance of the vacuum sleeve 6 is ensured.

Specifically, as shown in fig. 1-3, the top of the feeler lever 11 is sleeved with a telescopic sleeve 5, the top of the feeler lever 11 is fixedly connected with a connecting block 9, and the bottom of the telescopic sleeve 5 is connected with the top of the vacuum sleeve 6.

Specifically, as shown in fig. 1-3, the vacuum sleeve 6 is installed on the supporting seat 1, the supporting seat 1 is of a U-shaped structure, the top of the vacuum sleeve 6 is horizontally provided with the push plate 3, and the push plate 3 is fixedly connected with the top of the telescopic sleeve 5, so that the push plate 3 pushes the contact rod 11 to move downwards.

Specifically, as shown in fig. 1-3, a lifting cylinder 2 is installed on one side of a supporting seat 1, the top of the lifting cylinder 2 is fixedly connected with a push plate 3, a sliding groove 8 is vertically formed in the supporting seat 1, and the push plate 3 is vertically and slidably connected with the sliding groove 8, so that the stability of the push plate 3 in up-and-down sliding is ensured.

Specifically, as shown in fig. 1-3, a spring 4 is installed at the top of the supporting seat 1, the top of the push plate 3 is elastically connected with the spring 4, the two contacts 10 are in contact with each other in a natural state of the feeler lever 11, and the spring 4 is in an unstretched or stretched state.

The working principle is as follows: during the use, through 2 stimulations downwards of lift cylinder, thereby make push pedal 3 lapse in spout 8, thereby make telescopic sleeve 5 flexible downwards, spring 4 kick-backs downwards, and feeler lever 11 lapse contacts until two contacts 10 in the vacuum cover 6, has avoided two contacts 10 to strike simultaneously, has reduced the life of one of them contact 10, has also improved high-pressure vacuum circuit breaker's life simultaneously, has improved vacuum circuit breaker job stabilization nature.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a connect stable high-pressure vacuum circuit breaker, includes supporting seat (1), its characterized in that still includes vacuum cover (6), the inside of vacuum cover (6) is provided with two contacts (10), one of them contact (10) are installed in the bottom of vacuum cover (6), another contact (10) set up the middle part at vacuum cover (6), and fixedly connected with feeler lever (11).

2. A high-voltage vacuum circuit breaker with stable connection according to claim 1, characterized in that the extended end of the contact rod (11) penetrates to the outside of the vacuum casing (6), and the sealing plug (7) is installed on both ends of the vacuum casing (6).

3. The high-voltage vacuum circuit breaker with stable connection according to claim 1, characterized in that a telescopic sleeve (5) is sleeved on the top of the contact rod (11), a connecting block (9) is fixedly connected on the top of the contact rod (11), and the bottom of the telescopic sleeve (5) is connected with the top of the vacuum sleeve (6).

4. The high-voltage vacuum circuit breaker with stable connection according to claim 1, characterized in that the vacuum sleeve (6) is mounted on a support base (1), the support base (1) is of a U-shaped structure, a push plate (3) is horizontally arranged on the top of the vacuum sleeve (6), and the push plate (3) is fixedly connected with the top of the telescopic sleeve (5).

5. The high-voltage vacuum circuit breaker with stable connection according to claim 4, wherein a lifting cylinder (2) is installed at one side of the supporting seat (1), the top of the lifting cylinder (2) is fixedly connected with the push plate (3), a sliding groove (8) is vertically formed in the supporting seat (1), and the push plate (3) is vertically and slidably connected with the sliding groove (8).

6. A high-voltage vacuum circuit breaker with stable connection according to claim 4, characterized in that a spring (4) is installed on the top of the supporting base (1), and the top of the push plate (3) is elastically connected with the spring (4).