CN213635861U

CN213635861U - Residual current protection circuit breaker

Info

Publication number: CN213635861U
Application number: CN202023046407.8U
Authority: CN
Inventors: 胡旭阳; 邓家艳
Original assignee: Hokuriku Electric Industry Co Ltd
Current assignee: Hokuriku Electric Industry Co Ltd
Priority date: 2020-12-17
Filing date: 2020-12-17
Publication date: 2021-07-06
Anticipated expiration: 2030-12-17

Abstract

The utility model relates to a circuit breaker technical field specifically is a residual current protection circuit breaker, comprising a main body, the main part includes the controller, the top of controller is provided with protection machanism, protection machanism includes the protection casing, the top fixedly connected with protection casing of controller, the inside of protection casing is provided with the arm-tie, the surface of arm-tie is seted up flutedly, the inside of arm-tie is provided with the bottom plate, the spring has been cup jointed on the surface of bottom plate, the top fixedly connected with of spring supports the board, support the top fixedly connected with expansion plate of board, the one end fixedly connected with connecting rod of arm-tie, the one end fixedly connected with slider of connecting rod. The utility model discloses make things convenient for the connection of circuit breaker interface, prevent that dust or other debris from getting into the circuit breaker, can the protection circuit, and can rapid Assembly, adjust the size of assembly, the effectual work burden that has reduced the installer.

Description

Residual current protection circuit breaker

Technical Field

The utility model relates to a circuit breaker technical field specifically is a residual current protection circuit breaker.

Background

The circuit breaker is used for a mechanical switching appliance which is switched on, carries and breaks current under normal working conditions and enables contacts to be disconnected when residual current reaches a specified value under specified conditions.

The residual current circuit breaker is used for providing indirect contact protection for people, can also be used for preventing the fire hazard caused by the generation of ground fault current due to the insulation damage of equipment, can be used for distributing electric energy and protecting the overload and short circuit of circuits and power supply equipment, and can also be used for the infrequent switching of the circuits and the infrequent starting of motors.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a residual current protection circuit breaker to the interface connection of the circuit breaker that proposes in solving above-mentioned background art is unstable, and inside dust or other debris may get into after placing, lead to the circuit breaker to use not effectual, and the circuit breaker unable rapid Assembly when the installation, adjust the problem of assembly size.

In order to achieve the purpose, the utility model provides a following technical scheme, a residual current protection circuit breaker, comprising a main body, the main part includes the controller, the top of controller is provided with protection machanism, protection machanism includes the protection casing, the top fixedly connected with protection casing of controller, the inside of protection casing is provided with the arm-tie, the surface of arm-tie is seted up flutedly, the inside of arm-tie is provided with the bottom plate, the spring has been cup jointed on the surface of bottom plate, the top fixedly connected with of spring supports the board, support the top fixedly connected with expansion plate of board, the one end fixedly connected with connecting rod of arm-tie, the one end fixedly connected with slider of connecting rod, the inside swing joint of slider has the slide rail.

Preferably, the protection casing is rectangle shape fixed connection on the top of controller, the inside of protection casing is provided with the spout, and the inside stopper that is provided with of protection casing.

Preferably, the pull plate is internally provided with a sliding groove, and the telescopic plate is in sliding connection with the sliding groove through a spring.

Preferably, the slider passes through connecting rod and arm-tie fixed connection, the slide rail is shaft-like through connection in the inside of slider, and the both sides of slide rail are provided with the stopper.

Preferably, the surface of controller is provided with adjustment mechanism, adjustment mechanism includes changeing the board, the surface of controller is provided with changeing the board, the fixed surface of changeing the board is connected with the torsional spring, the top fixedly connected with fixed block of changeing the board, the fixed surface of fixed block is connected with the extension spring, the inside fixedly connected with fixed plate of extension spring.

Preferably, the rotating plate and the fixed block are rotatably connected through a torsion spring, a buckle is arranged on the surface of the rotating plate, and a sliding groove is formed in the surface of the telescopic spring.

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

1. through the connection of protection casing and arm-tie, under the effect of recess, make the arm-tie open when the interface inserts, make things convenient for the connection of circuit breaker interface, place or other interfaces when not using statically, can close the arm-tie, prevent that dust or other debris from getting into the circuit breaker, cause the influence to the use and the life-span of circuit breaker, and because of the board that supports that sets up, can reach the effect of protection circuit, the wearing and tearing of circuit have been reduced, the effectual work efficiency and the life who improves equipment use, the renewal part has been reduced, the use cost of circuit.

2. Through the connection of controller and commentaries on classics board, under the effect of torsional spring, make to change the board and can rotate on the surface of controller, can reach rapid Assembly's effect when the assembly, and can adjust the size of assembly, the size can not appear and the condition that the size is inconsistent and can't assemble, the effectual work burden that has reduced the installer.

Drawings

Fig. 1 is a schematic front view of the present invention;

fig. 2 is a schematic top view partially in section of fig. 1 according to the present invention;

fig. 3 is a schematic top view, partially in section, of the pull plate of fig. 2 according to the present invention;

fig. 4 is a schematic rear view partially in section of fig. 1 according to the present invention.

In the figure: 1. a main body; 11. a controller; 2. a protection mechanism; 21. a protective cover; 22. pulling a plate; 23. a groove; 24. a base plate; 25. a spring; 26. a resisting plate; 27. a retractable plate; 28. a connecting rod; 29. a slider; 210. a slide rail; 3. an adjustment mechanism; 31. rotating the plate; 32. a torsion spring; 33. a fixed block; 34. a tension spring; 35. and (7) fixing the plate.

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 an embodiment: the utility model provides a residual current protects circuit breaker, including main part 1, main part 1 includes controller 11, the top of controller 11 is provided with protection machanism 2, protection machanism 2 includes protection casing 21, the top fixedly connected with protection casing 21 of controller 11, the inside of protection casing 21 is provided with arm-tie 22, recess 23 has been seted up on arm-tie 22's surface, arm-tie 22's inside is provided with bottom plate 24, spring 25 has been cup jointed on bottom plate 24's surface, the top fixedly connected with of spring 25 supports board 26, support board 26's top fixedly connected with expansion plate 27, arm-tie 22's one end fixedly connected with connecting rod 28, connecting rod 28's one end fixedly connected with slider 29, slider 29's inside swing joint has slide rail 210, through the recess 23 that arm-tie 22 surface was seted up, the staff of being convenient.

Further, protection casing 21 is rectangle shape fixed connection on the top of controller 11, and the inside of protection casing 21 is provided with the spout, and the inside stopper that is provided with of protection casing 21, and through the stopper that 21 inside set up of protection casing, prescribes a limit to the position of arm-tie 22, prevents that arm-tie 22 from surpassing the settlement position when sliding, leads to the condition that drops to appear.

Further, the inside of arm-tie 22 has been seted up the spout, and expansion plate 27 passes through spring 25 and spout sliding connection, and expansion plate 27 slides in the spout through spring 25, can insert the back at the interface, guarantees the installation of circuit, plays the effect of protection circuit simultaneously.

Further, the sliding block 29 is fixedly connected with the pulling plate 22 through the connecting rod 28, the sliding rail 210 is in a rod shape and is connected inside the sliding block 29 in a penetrating manner, the two sides of the sliding rail 210 are provided with limiting blocks, the sliding position of the sliding rail 210 is limited through the limiting blocks arranged on the two sides of the sliding rail 210, and the horizontal sliding of the sliding rail 210 is ensured.

Further, the surface of controller 11 is provided with adjustment mechanism 3, adjustment mechanism 3 is including changeing board 31, the surface of controller 11 is provided with changeing board 31, changeing board 31's fixed surface is connected with torsional spring 32, changeing board 31's top fixedly connected with fixed block 33, fixed block 33's fixed surface is connected with extension spring 34, extension spring 34's inside fixedly connected with fixed plate 35, through controller 11 with change board 31's connection, the installer's of being convenient for installation, under extension spring 34's effect, make changeing board 31 can stretch, reach the effect of adjusting the installation size.

Further, the rotating plate 31 and the fixing block 33 are rotatably connected through a torsion spring 32, a buckle is arranged on the surface of the rotating plate 31, a sliding groove is arranged on the surface of the telescopic spring 34, the rotating plate 31 can be fixed with the controller 11 through the buckle arranged on the surface of the rotating plate 31, and the effect of rapid assembly is achieved after rotation.

The working principle is as follows: during the use, through the connection of controller 11 and protection casing 21, under the connection of arm-tie 22 and recess 23, be convenient for the staff opens arm-tie 22 access interface when using, under the connection of bottom plate 24 and spring 25, reach flexible effect, under the connection of resisting board 26 and expansion plate 27, through spring 25's effect, make expansion plate 27 shrink inside the spout, reach the effect of protection circuit, under the connection of arm-tie 22 and connecting rod 28, through the connection of slider 29 and slide rail 210, under the effect of slider 29, make arm-tie 22 slide in the inside of protection casing 21, reach and open and shut and closed effect, reach the effect of protection interface.

Through controller 11 and the connection of commentaries on classics board 31, under the connection of commentaries on classics board 31 and torsional spring 32, make and change board 31 and can rotate, reach the effect of opening and shutting, make the assembly that the circuit breaker can be quick, under the connection of commentaries on classics board 31 and fixed block 33, through the connection of fixed block 33 and expanding spring 34, make and change board 31 and can stretch, reach the effect of adjusting the assembly size, under the connection of expanding spring 34 and fixed plate 35, through the connection of fixed block 33 and expanding spring 34, make expanding spring 34 more firm in the inside connection of spout, the slope can not appear or the not hard up condition.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A residual current protection circuit breaker, comprising a main body (1), characterized in that: the main body (1) comprises a controller (11), the top end of the controller (11) is provided with a protection mechanism (2), the protection mechanism (2) comprises a protection cover (21), the top end of the controller (11) is fixedly connected with the protection cover (21), a pulling plate (22) is arranged in the protective cover (21), a groove (23) is formed in the surface of the pulling plate (22), a bottom plate (24) is arranged inside the pulling plate (22), a spring (25) is sleeved on the surface of the bottom plate (24), the top end of the spring (25) is fixedly connected with a resisting plate (26), the top end of the resisting plate (26) is fixedly connected with a telescopic plate (27), one end fixedly connected with connecting rod (28) of arm-tie (22), the one end fixedly connected with slider (29) of connecting rod (28), the inside swing joint of slider (29) has slide rail (210).

2. A residual current circuit breaker according to claim 1, characterized in that: protection casing (21) are rectangle shape fixed connection on the top of controller (11), the inside of protection casing (21) is provided with the spout, and protection casing (21) inside is provided with the stopper.

3. A residual current circuit breaker according to claim 1, characterized in that: the pull plate (22) is internally provided with a sliding groove, and the expansion plate (27) is in sliding connection with the sliding groove through a spring (25).

4. A residual current circuit breaker according to claim 1, characterized in that: slider (29) are through connecting rod (28) and arm-tie (22) fixed connection, slide rail (210) are the inside of shaft-like through connection at slider (29), and the both sides of slide rail (210) are provided with the stopper.

5. A residual current circuit breaker according to claim 1, characterized in that: the surface of controller (11) is provided with adjustment mechanism (3), adjustment mechanism (3) are including changeing board (31), the surface of controller (11) is provided with commentaries on classics board (31), the fixed surface of changeing board (31) is connected with torsional spring (32), the top fixedly connected with fixed block (33) of changeing board (31), the fixed surface of fixed block (33) is connected with extension spring (34), the inside fixedly connected with fixed plate (35) of extension spring (34).

6. A residual current circuit breaker according to claim 5, characterized in that: the rotary plate (31) is rotatably connected with the fixed block (33) through a torsion spring (32), a buckle is arranged on the surface of the rotary plate (31), and a sliding groove is formed in the surface of the telescopic spring (34).