CN220208821U - High-voltage vacuum circuit breaker - Google Patents

Abstract

The utility model provides a high-voltage vacuum circuit breaker, which relates to the field of electric devices and comprises a circuit breaker body, a bin body and a connector arranged on the circuit breaker body, wherein the circuit breaker body is arranged in the bin body, an interface is arranged on the inner wall of the bin body, a U-shaped piece is fixed on one surface of the interface, a first clamping block is fixed on the inner surface of the U-shaped piece, and a sliding rod is fixed on one surface of the connector. Through setting up U type spare, first fixture block, slide bar, movable plate, second fixture block and spring, under triangle-shaped's first fixture block and second fixture block, the cooperation spring can be after pegging graft joint and interface, can carry out spacingly to the joint voluntarily, need not use the slip hook structure in addition, when need cancel the restriction and pull out the joint moreover, only need press the movable plate can, the operation is got up very simple convenient to this high-voltage vacuum circuit breaker is when with the dismouting of storehouse body, very convenient and fast is favorable to personnel's loading and unloading work.

Description

High-voltage vacuum circuit breaker

Technical Field

The utility model relates to the field of power devices, in particular to a high-voltage vacuum circuit breaker.

Background

The high-voltage vacuum circuit breaker is mainly used for switching on and off load current, overload current and short-circuit current in a power system, is suitable for protecting and controlling a power distribution system of a transformer substation and an industrial and mining enterprise, is more suitable for construction and reconstruction of an urban and rural power grid and places frequently operated, and mainly structurally comprises a support frame and a fixing piece, wherein the support frame is horizontally arranged and is used for bearing and fixing a main body of the circuit breaker; the handcart type circuit breaker has the advantages of small size, light weight, suitability for frequent operation and no maintenance for arc extinction, is more popular in power distribution network, is suitable for control and protection switches of power transmission and distribution systems such as power plants, power substations and industrial and mining enterprises, comprises a handcart body, an arc extinguish chamber and a moving contact, wherein the arc extinguish chamber and the moving contact are arranged on the handcart body, rollers are arranged at the bottom of the handcart body, and guide rails are arranged at two sides of the inside of a cabinet body of an installation cabinet and are matched with the rollers at the bottom of the handcart type circuit breaker.

When the existing handcart type high-voltage vacuum circuit breaker is installed and used, the connector on the circuit breaker is usually connected with the connector in the installation bin in an inserting mode, when the circuit breaker is used for a long time, the connector can be separated from the connector, so that a hook is usually arranged in the installation bin, the connector is prevented from falling off through a ring body on the limiting connector, when the circuit breaker is overhauled by a person, the connector needs to be pulled down, the hook and the ring body are more troublesome to detach, and the connector is inconvenient to pull down.

Disclosure of Invention

The utility model aims to solve the problem that when a person overhauls a circuit breaker and needs to pull out a connector, the hook and the ring body are more troublesome to detach.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a high-voltage vacuum circuit breaker, includes the circuit breaker body, the storehouse body and installs the joint on the circuit breaker body, the circuit breaker body is installed in the storehouse internally, install the interface on the inner wall of the storehouse body, a fixed surface of interface has U type spare, the internal surface of U type spare is fixed with first fixture block, a fixed surface who connects has the slide bar, the surface sliding connection of slide bar has the movable plate, a fixed surface of movable plate bottom has the second fixture block, the surface cover of slide bar is equipped with the spring, the both ends of spring respectively with a surface of joint and a fixed surface of movable plate.

Preferably, the front of the bin body is hinged with a sealing door through a hinge, and the surface of the sealing door is provided with a transparent observation window.

Preferably, the first clamping block and the second clamping block are triangular, and the inclined plane of the first clamping block is contacted with the inclined plane of the second clamping block when the connector is installed with the connector.

Preferably, the sliding rod is a square rod, and one end of the sliding rod is fixed with a square limiting plate.

Preferably, a through hole matched with the sliding rod is formed in the middle of the moving plate.

Preferably, the surface of the insulating contact cylinder of the breaker body is fixed with cooling fins.

Compared with the prior art, the utility model has the advantages and positive effects that,

according to the utility model, the U-shaped piece, the first clamping block, the sliding rod, the moving plate, the second clamping block and the spring are arranged, under the clamping of the triangular first clamping block and the triangular second clamping block, the spring is matched, the connector can be automatically limited after being spliced with the connector, a sliding hook structure is not needed to be additionally used, when the connector is required to be removed, the moving plate is only required to be pressed, and the operation is very simple and convenient, so that the high-voltage vacuum circuit breaker is very convenient and quick when being disassembled from the bin body, and is beneficial to the assembly and disassembly work of personnel.

Drawings

Fig. 1 is a perspective view of an overall structure of a high voltage vacuum circuit breaker according to the present utility model;

fig. 2 is an enlarged perspective view of a structure of a high voltage vacuum circuit breaker according to the present utility model;

FIG. 3 is a perspective view showing the structure of the U-shaped member and the first clamping block in the high-voltage vacuum circuit breaker according to the present utility model;

fig. 4 is a perspective view of a port structure in a high-voltage vacuum circuit breaker according to the present utility model;

fig. 5 is a perspective view of a high-voltage vacuum circuit breaker body structure according to the present utility model.

Legend description: 1. a circuit breaker body; 2. a bin body; 3. a joint; 4. an interface; 5. a U-shaped piece; 6. a first clamping block; 7. a slide bar; 8. a moving plate; 9. a second clamping block; 10. a spring; 11. sealing the door; 12. a transparent viewing window; 13. a limiting plate; 14. a through port; 15. a heat sink.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

In embodiment 1, as shown in fig. 1-5, the utility model provides a high-voltage vacuum circuit breaker, which comprises a circuit breaker body 1, a bin body 2 and a connector 3 arranged on the circuit breaker body 1, wherein the circuit breaker body 1 is arranged in the bin body 2, an interface 4 is arranged on the inner wall of the bin body 2, a U-shaped piece 5 is fixed on one surface of the interface 4, a first clamping block 6 is fixed on the inner surface of the U-shaped piece 5, a sliding rod 7 is fixed on one surface of the connector 3, a moving plate 8 is slidingly connected on the surface of the sliding rod 7, a second clamping block 9 is fixed on one surface of the bottom end of the moving plate 8, a spring 10 is sleeved on the surface of the sliding rod 7, and two ends of the spring 10 are respectively fixed with one surface of the connector 3 and one surface of the moving plate 8.

The effect that its whole embodiment 1 reaches is, under the cooperation of spring 10, can be when spliced joint 3 and interface 4, first fixture block 6 and second fixture block 9 can automatic block together, perhaps relieve the block state to pull out joint 3, thereby can be in the effect that realizes restricting joint 3 displacement, also make things convenient for the personnel to remove this restriction and pull out joint 3, more make things convenient for personnel's use, slide bar 7 can fix a position the movable plate 8 of slip in joint 3 one side, and play spacing effect at the in-process that movable plate 8 removed.

In the embodiment 2, as shown in fig. 1-5, the front surface of the bin body 2 is hinged with a sealing door 11 through a hinge, and the surface of the sealing door 11 is provided with a transparent observation window 12; the first clamping block 6 and the second clamping block 9 are triangular, and the inclined plane of the first clamping block 6 is contacted with the inclined plane of the second clamping block 9 when the joint 3 and the interface 4 are installed; the slide bar 7 is a square bar, and one end of the slide bar 7 is fixed with a square limiting plate 13; the middle part of the moving plate 8 is provided with a through hole 14 which is matched with the slide rod 7; the surface of the insulating contact cylinder of the breaker body 1 is fixed with cooling fins 15.

The whole embodiment 2 achieves the effect that the transparent observation window 12 can facilitate personnel to directly observe the condition of the breaker body 1 from outside after the breaker body 1 is installed in the bin body 2; the triangular first clamping block 6 and the triangular second clamping block 9 are used for smoothly clamping the first clamping block 6 and the second clamping block 9 when a person inserts the connector 3 and the connector 4 under the matching of the inclined plane and the spring 10; the square slide bar 7 is used for positioning the moving plate 8 which is connected with the slide bar in a sliding way, if the square slide bar is a round bar, the moving plate 8 can rotate on the slide bar 7 at will, so that the clamping of the first clamping block 6 and the second clamping block 9 is inconvenient to realize, and the limiting plate 13 is used for preventing the moving plate 8 from being separated from the contact with the slide bar 7 in the moving process; the through hole 14 is square, so that the movable plate 8 can be smoothly connected to the surface of the slide rod 7 in a sliding way; the heat sink 15 facilitates heat dissipation of thermal energy generated when the circuit breaker body 1 is in operation.

Working principle: after the breaker body 1 is installed in the bin body 2, when the connector 3 and the connector 4 are required to be connected, a person holds the connector 3, aligns the access end of the connector 3 with the connector 4 and then moves towards the connector 4, the connector 3 is inserted into the connector 4, meanwhile, the inclined surface of the second clamping block 9 contacts with the inclined surface of the first clamping block 6, when the connector 3 is always inserted into the connector 4, the second clamping block 9 drives the moving plate 8 to move towards the connector 3 on the sliding rod 7 through the cooperation of the inclined surfaces, at the moment, the spring 10 is extruded until the inclined surface of the second clamping block 9 is separated from the contact with the inclined surface of the first clamping block 6, at the moment, the connector 3 can be completely inserted into the connector 4, at the same time, the extrusion force of the first clamping block 6 to the second clamping block 9 disappears under the action of the spring 10, can drive movable plate 8 and second fixture block 9 to limiting plate 13 direction removal, can make second fixture block 9 reset, at this moment a plane contact of second fixture block 9 and the plane at first fixture block 6 back, can carry out spacingly to second fixture block 9, can carry out spacingly to spliced joint 3, avoid joint 3 to break away from interface 4 easily, when the personnel need pull out joint 3, personnel press movable plate 8 to joint 3, extrusion spring 10 drives second fixture block 9 to joint 3 direction removal, until the plane of second fixture block 9 breaks away from with the contact of first fixture block 6 plane, can release spacingly to second fixture block 9, at this moment outwards pull out joint 3, just can pull out joint 3 from interface 4, in total the problem that has just solved in the above-mentioned background.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims (6)

1. A high voltage vacuum circuit breaker, characterized by: including circuit breaker body (1), storehouse body (2) and install joint (3) on circuit breaker body (1), circuit breaker body (1) are installed in storehouse body (2), install interface (4) on the inner wall of storehouse body (2), a fixed surface of interface (4) has U type spare (5), the internal surface of U type spare (5) is fixed with first fixture block (6), a fixed surface of joint (3) has slide bar (7), the surface sliding connection of slide bar (7) has movable plate (8), a fixed surface of movable plate (8) bottom has second fixture block (9), the surface cover of slide bar (7) is equipped with spring (10), the both ends of spring (10) respectively with a surface of joint (3) and a fixed surface of movable plate (8).

2. A high voltage vacuum circuit breaker according to claim 1, characterized in that: the front of the bin body (2) is hinged with a sealing door (11) through a hinge, and a transparent observation window (12) is arranged on the surface of the sealing door (11).

3. A high voltage vacuum circuit breaker according to claim 1, characterized in that: the first clamping block (6) and the second clamping block (9) are triangular, and the inclined plane of the first clamping block (6) is contacted with the inclined plane of the second clamping block (9) when the joint (3) and the interface (4) are installed.

4. A high voltage vacuum circuit breaker according to claim 1, characterized in that: the sliding rod (7) is a square rod, and one end of the sliding rod (7) is fixed with a square limiting plate (13).

5. A high voltage vacuum circuit breaker according to claim 1, characterized in that: the middle part of the movable plate (8) is provided with a through hole (14) which is matched with the slide bar (7).

6. A high voltage vacuum circuit breaker according to claim 1, characterized in that: and radiating fins (15) are fixed on the surface of the insulating contact cylinder of the circuit breaker body (1).