CN222320150U - A circuit breaker accessory assembly structure - Google Patents

Abstract

The utility model provides a structure is assembled to circuit breaker annex, it includes the body handle, the body handle rotates the in-process and can drive the joint and the separation of moving contact and static contact through the cooperation of transmission connecting rod, hasp, jump knot, and the tripping part is connected with the hasp through the tripping connection piece, tripping part and annex connecting rod linkage, when realizing the circuit breaker tripping through the tripping part, utilizes the annex connecting rod connection annex of being connected with the tripping part, simpler and stable realization annex concatenation.

Description

Structure is assembled to circuit breaker annex

Technical Field

The utility model belongs to the technical field of circuit breakers, and particularly relates to an accessory assembling structure of a circuit breaker.

Background

The circuit breaker is classified into a high voltage circuit breaker and a low voltage circuit breaker according to its range of use. The low-voltage circuit breaker is also called an automatic switch, commonly called an air switch, and also refers to a low-voltage circuit breaker, and is an electric appliance which has the function of manual switching and can automatically perform voltage loss, undervoltage, overload and short-circuit protection. It can be used to distribute electric energy, not frequently start asynchronous motor, protect power supply circuit and motor, when they are in serious overload or short circuit and under-voltage, it can automatically cut off circuit, its function is equivalent to the combination of fuse switch and over-under-heating relay, etc. and after breaking fault current it generally does not need to change parts, so that it has been widely used.

The circuit breaker accessories are used as derivatives and supplements of the circuit breaker functions, a control means is added for the circuit breaker, the protection function is enlarged, the application range of the circuit breaker is wider, the protection function is more complete, and common circuit breaker functional accessories comprise undervoltage (or overvoltage) accessories, shunt accessories, auxiliary accessories and the like. At present, an operating mechanism of a circuit breaker applied to certain scenes cannot directly assemble accessories, and a part of expansion function is lost.

A Chinese ZL201710117655.0 circuit breaker assembling accessory device comprises an operation unit and an accessory unit which is matched with the operation unit, wherein a disengaging fastener, a reset plate and a trip button are arranged in the operation unit, the disengaging fastener is connected with the accessory unit, the disengaging fastener and the reset plate act, the reset plate can unlock the trip button, the trip button is also connected with a reset piece, the reset piece can drive the accessory unit, when the accessory unit acts on the disengaging piece to move the reset plate downwards, the trip button is unlocked, the operation unit drives a dynamic contact and a static contact of the circuit breaker to separate so as to disconnect a circuit, and when the trip button in the operation unit is unlocked, the trip button drives the reset piece to rotate anticlockwise, and the reset piece drives the accessory unit to work. The circuit breaker assembling accessory device has complex mechanism, parts such as a lock catch jump buckle and the like are all arranged on a fixed plate, and the occupied space is large.

Disclosure of utility model

The utility model aims at solving the defects that an operating mechanism of the existing circuit breaker applied to certain scenes cannot directly assemble accessories, and a part of expansion function is lost or larger space is occupied even if the operating mechanism can be assembled.

Technical proposal

In order to achieve the technical aim, the utility model provides an assembling structure of a circuit breaker accessory, which comprises a body handle, wherein the body handle can drive the engagement and separation of a moving contact and a fixed contact through the cooperation of a transmission connecting rod, a lock catch and a jump buckle in the rotating process of the body handle. Specifically, the accessory moves to drive the accessory connecting rod to move anticlockwise, and the accessory connecting rod drives the tripping piece to move anticlockwise.

In one embodiment, the release member is rotatably mounted within the circuit breaker housing.

In one embodiment, one end of the trip connecting piece is inserted into the first connecting hole of the trip piece, and the other end of the trip connecting piece is inserted into the first groove of the lock catch.

In one embodiment, one end of the accessory link is pivoted with the trip member, and the other end moves in a second groove on the circuit breaker housing.

In one embodiment, a third groove is formed in the pivoting portion of the trip piece and the accessory connecting rod, and a cylindrical boss is arranged at the position, corresponding to the third groove, of one end of the accessory connecting rod to achieve pivoting of the accessory connecting rod and the trip piece.

In one embodiment, the magnetic tripping mechanism is linked with the tripping piece, and when the magnetic tripping mechanism acts, the tripping piece can be pulled to rotate anticlockwise to realize product tripping.

In one embodiment, the magnetic trip mechanism is disposed within the circuit breaker housing above the trip member.

In one embodiment, the magnetic trip mechanism and the accessory link are located on the front and rear sides of the horizontal inward direction within the circuit breaker housing.

In one embodiment, the accessory link is a rigid rod or rope.

In one embodiment, both sides of the trip are provided with grooves for three purposes to achieve a multipole product pole.

Advantageous effects

The utility model provides an accessory assembling structure of a circuit breaker, which comprises a body handle, wherein the body handle can drive the engagement and separation of a moving contact and a fixed contact through the cooperation of a transmission connecting rod, a lock catch and a jump buckle in the rotation process of the body handle, a tripping piece is connected with the lock catch through a tripping connecting piece, the tripping piece is linked with an accessory connecting rod, and the accessory is connected with the accessory connecting rod connected with the tripping piece while the tripping of the circuit breaker is realized through the tripping piece, so that the accessory assembling is realized more simply and stably.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

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

FIG. 2 is a schematic diagram of the installation of a magnetic trip mechanism in an embodiment of the present utility model;

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and the like are used in the description of the present application for the purpose of illustration only and do not represent the only embodiment.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present application, unless expressly stated or limited otherwise, a first feature "up" or "down" on a second feature may be that the first feature is in direct contact with the second feature, or that the first feature and the second feature are in indirect contact through intermedial media. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely under the second feature, or simply indicating that the first feature is less level than the second feature.

Unless defined otherwise, all technical and scientific terms used in the specification of the present application have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and/or" as used in the description of the present application includes any and all combinations of one or more of the associated listed items.

Examples

The operating mechanism of the existing circuit breaker applied to certain scenes cannot directly assemble accessories, so that a part of expansion function is lost, or a large space is occupied even if the operating mechanism can be assembled. In order to solve the problem, the embodiment provides an assembling structure of a circuit breaker accessory, as shown in fig. 1, the assembling structure comprises a body handle 1, wherein the body handle 1 can drive the engagement and the separation of a moving contact 5 and a fixed contact 6 through the cooperation of a transmission connecting rod 2, a lock catch 3 and a jump buckle 4 in the rotating process of the body handle, a release piece 7 is connected with the lock catch 3 through a release connecting piece 8, the release piece 7 is linked with an accessory connecting rod 9, and the release piece 7 can be driven to move in the same direction through the accessory connecting rod 9 in the moving process of an external accessory, so that the moving direction of the release piece 7 is the same as the moving direction of the external accessory. Specifically, the accessory moves to drive the accessory connecting rod 9 to move anticlockwise, and the accessory connecting rod 9 drives the disengaging piece 7 to move anticlockwise.

The trip member 7 is rotatably mounted within the circuit breaker housing 10. The accessory link 9 is a rigid rod or rope. In this embodiment, the accessory link 9 is a rigid rod. One end of the trip connecting piece 8 is inserted into a first connecting hole 701 on the trip piece 7, and the other end of the trip connecting piece is inserted into a first groove 301 on the lock catch 3, and the shape of the first groove 301 is generally arc-shaped or circular. One end of the accessory link 9 is pivoted with the trip member 7, and the other end moves in a second groove 1001 on the circuit breaker housing 10, and the second groove 1001 is generally arc-shaped or circular.

Further, in this embodiment, a third groove 702 is provided at a portion of the trip member 7 (typically, a trip lever) pivoted to the accessory link 9, and a cylindrical boss (not shown in the drawing) is provided at a portion of one end of the accessory link 9 corresponding to the third groove 702 to implement pivoting of the accessory link 9 and the trip member 7. Generally, grooves three 702 are formed on both sides of a section of the attachment link 9 of the trip element 7 to realize a multipole product pole connection.

As shown in fig. 2, the magnetic trip mechanism 11 is disposed within the circuit breaker housing 10 above the trip unit 7. The magnetic tripping mechanism 11 is linked with the tripping piece 7, and the magnetic tripping mechanism 11 and the accessory connecting rod 9 are positioned at the front side and the rear side of the horizontal inward direction in the circuit breaker shell 10. The magnetic tripping mechanism 11 can pull the tripping member 7 to rotate anticlockwise to realize product tripping when in action.

When the external accessory acts on the trip piece 4 clockwise through the accessory connecting rod to move upwards to drive the trip connecting piece 8 so as to unlock the lock catch 3, the operating mechanism drives the moving contact 5 and the fixed contact 6 of the circuit breaker to separate so as to break the circuit;

The operation unit of the present embodiment can be matched with various functional accessories through accessory links. When the accessory connecting rod acts on the tripping piece to push the lock catch and the trip catch to unlock, the moving contact and the fixed contact are driven to separate, and protection is realized.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The foregoing examples illustrate only a few embodiments of the application and are described in detail herein without thereby limiting the scope of the application. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of protection of the present application is to be determined by the appended claims.

Claims (10)

1. The circuit breaker accessory assembling structure comprises a body handle (1), wherein the body handle (1) can drive the engagement and the separation of a moving contact (5) and a fixed contact (6) through the cooperation of a transmission connecting rod (2), a lock catch (3) and a jump buckle (4) in the rotating process of the body handle (1), and the circuit breaker accessory assembling structure is characterized in that a tripping piece (7) is connected with the lock catch (3) through a tripping connecting piece (8), the tripping piece (7) is linked with an accessory connecting rod (9), and the tripping piece (7) can be driven to move in the same direction through the accessory connecting rod (9) in the moving process of an external accessory, so that the moving direction of the tripping piece (7) is the same as the moving direction of the external accessory.

2. A circuit breaker accessory assembly as claimed in claim 1, wherein the trip member (7) is rotatably mounted within the circuit breaker housing (10).

3. The circuit breaker accessory assembling structure according to claim 1, wherein one end of the tripping connecting piece (8) is inserted into a connecting hole I (701) on the tripping piece (7), and the other end of the tripping connecting piece is inserted into a groove I (301) on the lock catch (3).

4. The circuit breaker accessory assembling structure according to claim 1, wherein one end of the accessory connecting rod (9) is pivoted with the tripping piece (7), and the other end moves in a groove II (1001) on the circuit breaker shell (10).

5. The circuit breaker accessory assembling structure of claim 4, wherein a groove III (702) is formed in a pivoting position of the tripping piece (7) and the accessory connecting rod (9), and a cylindrical boss is formed at a position corresponding to the groove III (702) at one end of the accessory connecting rod (9) to realize pivoting of the accessory connecting rod (9) and the tripping piece (7).

6. The circuit breaker accessory assembling structure according to claim 1, wherein the magnetic tripping mechanism (11) is linked with the tripping piece (7), and the magnetic tripping mechanism (11) can pull the tripping piece (7) to rotate anticlockwise to realize product tripping when acting.

7. The circuit breaker accessory assembling structure according to claim 6, wherein the magnetic tripping mechanism (11) is arranged in the circuit breaker shell (10) and is positioned above the tripping piece (7).

8. The circuit breaker accessory assembling structure according to claim 6, wherein the magnetic tripping mechanism (11) and the accessory connecting rod (9) are positioned on the front side and the rear side of the circuit breaker shell (10) in the horizontal inward direction.

9. A circuit breaker accessory assembly as claimed in claim 1, wherein the accessory link (9) is a rigid rod or rope.

10. The circuit breaker accessory assembling structure according to claim 1, wherein grooves III (702) are formed on two sides of the tripping piece (7) to realize multipole product pole connection.