CN211016952U

CN211016952U - Circuit breaker with end cover

Info

Publication number: CN211016952U
Application number: CN201922476835.5U
Authority: CN
Inventors: 刘海泉; 范文; 周烽; 严延峰
Original assignee: Anhui Zuyuan Electric Power Technology Co ltd
Current assignee: Anhui Zuyuan Electric Power Technology Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-07-14
Anticipated expiration: 2029-12-31

Abstract

The utility model belongs to the technical field of miniature circuit breaker, especially, be a circuit breaker with end cover, including the end cover body, first recess has been seted up at the top of end cover body, the surface mounting of first recess has the rotation post, the surface mounting who rotates the post has the movable block, the fly leaf is installed to the one end of movable block, the switch slot has been seted up at the top of fly leaf, the internally mounted of switch slot has the cushion, reset button is installed to one side of switch slot. Can make the fly leaf move about through rotating the post to can make the sealed pad of rubber bottom the fly leaf and second groove looks joint, can make the sealed pad of rubber and combine together with the second groove through fixture block and draw-in groove, prevent not hard up, can conveniently move about the fly leaf through the handle, the end cover that current circuit breaker had been solved to this flow is connected by the screw mostly, like circuit breaker internal failure, consuming time and wasting power during the maintenance, very inconvenient problem.

Description

Circuit breaker with end cover

Technical Field

The utility model belongs to the technical field of miniature circuit breaker, concretely relates to circuit breaker with end cover.

Background

The breaker is a switching device which can close, carry and open/close the current under the condition of a normal loop and can close, carry and open/close the current under the condition of an abnormal loop within a specified time; the circuit breakers are divided into a high-voltage circuit breaker and a low-voltage circuit breaker according to the application range of the circuit breakers, the high-voltage and low-voltage boundary line is divided more fuzzinly, and the circuit breakers above 3kV are generally called high-voltage electrical appliances; the breaker can be used for distributing electric energy, starting an asynchronous motor infrequently, protecting a power supply circuit, the motor and the like, and automatically cutting off a circuit when faults such as serious overload, short circuit, undervoltage and the like occur, and the function of the breaker is equivalent to the combination of a fuse type switch, an over-under-heat relay and the like; moreover, parts are not required to be changed after the fault current is disconnected; at present, it has been widely used; the power distribution is an extremely important link in the generation, transmission and use of electricity; the distribution system comprises a transformer and various high-low voltage electrical equipment, and the low-voltage circuit breaker is an electrical appliance with a large using amount.

The circuit breaker generally comprises contact system, arc extinguishing system, operating device, release, shell etc. and the end cover of current circuit breaker is connected by the screw mostly, like circuit breaker internal failure, consuming time power during the maintenance, it is very inconvenient, and current circuit breaker end cover does not have the fire prevention effect, in case the trouble such as circuit breaker ageing arouses the conflagration, can bring unnecessary loss.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a circuit breaker with end cover, the end cover of having solved current circuit breaker is connected by the screw mostly, like circuit breaker internal fault, consuming time power during the maintenance, very inconvenient problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a circuit breaker with end cover, includes the end cover body, first recess has been seted up at the top of end cover body, the surface mounting of first recess has the rotation post, the surface mounting who rotates the post has the movable block, the fly leaf is installed to the one end of movable block, the switch slot has been seted up at the top of fly leaf, the internally mounted of switch slot has the cushion, reset button is installed to one side of switch slot, the inlet wire end is installed at the top of end cover body, the sealed pad of rubber is installed to the bottom of fly leaf, the fixture block is installed to the sealed bottom of rubber pad, the surface mounting of fixture block has the snap ring, the outlet terminal is installed to the bottom of end cover body.

Preferably, the surface of the end cover body is provided with a second groove, a clamping groove is formed in the second groove, the size of the second groove is the same as that of the rubber sealing gasket, and the size of the clamping groove is the same as that of the clamping block.

Preferably, one side of the second groove is provided with a placing groove.

Preferably, a polyvinyl chloride resin layer is disposed inside the placing groove.

Preferably, an indicator light is installed on one side of the reset button, and a handle is installed on one side of the indicator light.

Compared with the prior art, the beneficial effects of the utility model are that:

can make the fly leaf move about through rotating the post, thereby can make the sealed pad of rubber of fly leaf bottom and second groove looks joint, can make the sealed pad of rubber combine together with the second groove through fixture block and draw-in groove, prevent not hard up, can conveniently move about the fly leaf through the handle, the end cover that current circuit breaker had been solved to this flow is connected by the screw mostly, like circuit breaker internal fault, consuming time and wasting power during the maintenance, very inconvenient problem, can play fine fireproof effect through the polyvinyl chloride resin layer, thereby avoided faults such as circuit breaker ageing to arouse the conflagration, bring unnecessary loss.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a first three-dimensional structure diagram of the present invention;

FIG. 2 is a second perspective structural view of the present invention;

fig. 3 is a top view of the present invention;

fig. 4 is a sectional view of the placement groove of the present invention.

In the figure: 1, an end cover body; 2 a first groove; 3 rotating the column; 4, a movable block; 5 a movable plate; 6, switching a groove; 7 a reset button; 8 an indicator light; 9 a handle; 10, a wire inlet end; 11 a rubber gasket; 12, clamping blocks; 13 a snap ring; 14 a second groove; 15 clamping grooves; 16 placing the groove; 17, a wire outlet end; 18 polyvinyl chloride resin layer.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides a circuit breaker with end cover, including end cover body 1, first recess 2 has been seted up at end cover body 1's top, the surface mounting of first recess 2 has rotation post 3, the surface mounting who rotates post 3 has movable block 4, fly leaf 5 is installed to the one end of movable block 4, switch slot 6 has been seted up at fly leaf 5's top, the internally mounted of switch slot 6 has the cushion, reset button 7 is installed to one side of switch slot 6, inlet wire end 10 is installed at end cover body 1's top, the sealed pad of rubber 11 is installed to the bottom of fly leaf 5, fixture block 12 is installed to the sealed bottom of pad of rubber 11, the surface mounting of fixture block 12 has snap ring 13, outlet 17 is installed to end cover body 1.

Specifically, the surface of the end cover body 1 is provided with a second groove 14, the inside of the second groove 14 is provided with a clamping groove 15, the size of the second groove 14 is the same as that of the rubber sealing gasket 11, the size of the clamping groove 15 is the same as that of the clamping block 12, the rubber sealing gasket 11 can be clamped with the second groove 14 in the installation process, and the clamping block 12 and the clamping groove 15 can be installed to enable the rubber sealing gasket 11 to be combined with the second groove to prevent looseness.

Specifically, one side of the second groove 14 is provided with a placing groove 16, and the placing groove 16 is installed to facilitate placing of the short-circuiting device therein.

Specifically, the polyvinyl chloride resin layer 18 is arranged in the placing groove 16, and the polyvinyl chloride resin layer 18 can play a good fireproof effect, so that fire disasters caused by faults such as circuit breaker aging are avoided, and unnecessary loss is brought.

Specifically, pilot lamp 8 is installed to one side of reset button 7, and handle 9 is installed to one side of pilot lamp 8, and installation handle 9 can conveniently move on fly leaf 5.

The utility model discloses a theory of operation and use flow: the utility model discloses when using, at first can open fly leaf 5 through handle 9, then can install the circuit breaker in standing groove 16, can pass through fixture block 12 and draw-in groove 15 with fly leaf 5 and second recess 14 looks joint after having installed, then can install this device in the position of use.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A circuit breaker with end cover, including end cover body (1), its characterized in that: first recess (2) have been seted up at the top of end cover body (1), the surface mounting of first recess (2) has rotation post (3), the surface mounting who rotates post (3) has movable block (4), fly leaf (5) are installed to the one end of movable block (4), switch groove (6) have been seted up at the top of fly leaf (5), the internally mounted of switch groove (6) has the cushion, reset button (7) are installed to one side of switch groove (6), inlet wire end (10) are installed at the top of end cover body (1), rubber packing pad (11) are installed to the bottom of fly leaf (5), fixture block (12) are installed to the bottom of rubber packing pad (11), the surface mounting of fixture block (12) has snap ring (13), leading-out terminal (17) are installed to the bottom of end cover body (1).

2. The circuit breaker of claim 1, wherein: the end cover comprises an end cover body (1) and is characterized in that a second groove (14) is formed in the surface of the end cover body (1), a clamping groove (15) is formed in the second groove (14), the size of the second groove (14) is the same as that of a rubber sealing gasket (11), and the size of the clamping groove (15) is the same as that of a clamping block (12).

3. The circuit breaker of claim 2, wherein: a placing groove (16) is formed in one side of the second groove (14).

4. The circuit breaker of claim 3, wherein: a polyvinyl chloride resin layer (18) is arranged in the placing groove (16).

5. The circuit breaker of claim 1, wherein: indicator lamp (8) are installed to one side of reset button (7), handle (9) are installed to one side of indicator lamp (8).