CN108899256B

CN108899256B - Leakage tripping device of universal two circuit breakers

Info

Publication number: CN108899256B
Application number: CN201810842658.5A
Authority: CN
Inventors: 刘豫
Original assignee: Gaoneng Gele Electric Co ltd
Current assignee: Gaoneng Gele Electric Co ltd
Priority date: 2018-07-27
Filing date: 2018-07-27
Publication date: 2024-02-23
Anticipated expiration: 2038-07-27
Also published as: CN108899256A

Abstract

The leakage tripping device of the two general circuit breakers. The problem of at present installing leakage mechanism on two kinds of different circuit breakers, need two kinds of different electric leakage tripping device is mainly solved. The method is characterized in that: the tripping mechanism comprises a bracket, a lock catch and a trip button which are correspondingly arranged are arranged on the bracket, a first through groove and a second through groove are formed in the shell, a pull rod is arranged on the bracket, and one end of the pull rod extends out of the first through groove and is used for driving the lock catch of the first circuit breaker to rotate; the back of the support is provided with a groove which is arranged corresponding to the second through groove, and the groove is used for the trip pin of the second circuit breaker to extend in. The invention provides a leakage tripping device of two general circuit breakers, wherein a bracket is arranged in a shell of the leakage tripping device, and is provided with a pull rod for driving a lock catch of a first circuit breaker and a groove for driving a tripping needle of a second circuit breaker, so that the leakage tripping device can be suitable for being installed in the two circuit breakers, and has the advantages of low cost and strong universality.

Description

Leakage tripping device of universal two circuit breakers

Technical Field

The invention relates to the field of leakage circuit breakers, in particular to a leakage tripping device of a universal two-way circuit breaker.

Background

The leakage breaker is a switch that can automatically operate when the leakage current in the circuit exceeds a predetermined value. The common leakage circuit breakers are classified into a voltage type and a current type, and the current type is classified into an electromagnetic type and an electronic type.

The leakage circuit breaker is actually a circuit breaker with a leakage protection function, and comprises a circuit breaker mechanism and a leakage unit, wherein the existing leakage unit is connected with a circuit breaker moving contact in the circuit breaker mechanism through a connecting rod, namely, the leakage unit drives the circuit breaker moving contact to act through the connecting rod after detecting that the circuit is leaked, and further breaking tripping is realized through the circuit breaker mechanism.

However, there are two types of circuit breakers (c 65 series and c45 series) on the market, and the latches of the two types of circuit breakers are respectively arranged on the left and right sides in the respective housings, so that two structures are needed when the circuit breakers are matched with the leakage tripping device, and the circuit breakers are inconvenient to use.

Disclosure of Invention

In order to overcome the defects of the background technology, the invention provides the leakage tripping device of the universal two circuit breakers, which mainly solves the problem that two different leakage tripping devices are needed when the leakage mechanism is installed on two different circuit breakers at present.

The technical scheme adopted by the invention is as follows:

the electric leakage tripping device of the universal two circuit breakers comprises a shell, wherein a tripping mechanism and a tripping device for driving the tripping mechanism to act are arranged in the shell, the tripping mechanism comprises a bracket, a lock catch and a tripping buckle which are correspondingly arranged are arranged on the bracket, a first through groove and a second through groove are arranged on the shell, a pull rod is arranged on the bracket, and one end of the pull rod extends out of the first through groove and is used for driving the lock catch of the first circuit breaker to rotate; the back of the support is provided with a groove which is arranged corresponding to the second through groove, and the groove is used for the trip pin of the second circuit breaker to extend in.

The first through groove and the second through groove are arc grooves.

The pull rod comprises a first rod, one end of the first rod is bent to form a second rod, the other end of the first rod is bent to form a third rod, a mounting hole is formed in the support, and the second rod is connected with the mounting hole.

The inner wall of the shell is arranged on the sliding groove of the first rod in sliding fit.

The elastic baffle is arranged in the shell, the release comprises a push rod, one side of the baffle is arranged corresponding to the push rod, and the other side of the baffle is arranged corresponding to the lock catch.

A fixed seat is arranged in the shell, and one end of the baffle forms a clamping groove matched with the fixed seat in a clamping manner.

The release part covers the sliding groove and is correspondingly arranged above the first rod.

And a boss is correspondingly arranged on the bracket relative to the baffle.

The beneficial effects of the invention are as follows: the invention provides a leakage tripping device of two general circuit breakers, wherein a bracket is arranged in a shell of the leakage tripping device, and is provided with a pull rod for driving a lock catch of a first circuit breaker and a groove for driving a tripping pin of a second circuit breaker, so that the leakage tripping device can be suitable for leakage breaking of the two circuit breakers and has strong universality.

Drawings

Fig. 1 is an internal perspective view of an embodiment of the present invention.

Fig. 2 is an enlarged schematic view at a in fig. 1.

Fig. 3 is a partial perspective view of the interior of one embodiment of the present invention.

Fig. 4 is an enlarged schematic view at B in fig. 3.

Fig. 5 is a schematic perspective view of a housing according to an embodiment of the invention.

Fig. 6 is a partial perspective view illustrating an embodiment of the present invention with the first type of circuit breaker installed.

Fig. 7 is an internal schematic view of a second type of circuit breaker as described in the background art.

Detailed Description

The invention is further described below with reference to the accompanying drawings: as shown in the figure, the leakage tripping device of the universal two circuit breakers comprises a shell 1, wherein a tripping mechanism 2 and a tripping device 3 for driving the tripping mechanism to act are arranged in the shell, the tripping mechanism comprises a bracket 21, a lock catch 22 and a jump catch 23 which are correspondingly arranged are arranged on the bracket, a first through groove 101 and a second through groove 102 are arranged on the shell, a pull rod 24 is arranged on the bracket, and one end of the pull rod extends out of the first through groove and is used for driving the lock catch of the first circuit breaker to rotate; the back of the support is provided with a groove 211 which is correspondingly arranged with the second through groove, and the groove is used for the trip pin of the second circuit breaker to extend in. When installing with first kind circuit breaker, induction coil senses the electric leakage phenomenon, and then drives the hasp through the release and rotates, the hasp 91 that the hasp drove first kind circuit breaker rotates, makes first kind circuit breaker break, refer to fig. 6, this pull rod can stimulate the hasp rotation of first kind circuit breaker, when installing with second kind circuit breaker, refer to fig. 7, be equipped with the trip needle on the hasp 92 of second kind circuit breaker, this trip needle stretches into in the recess at support back, in support rotation and through the hasp rotation realization of this trip needle drive second kind circuit breaker break, in total, realize the commonality to the circuit breaker of two kinds of structures. The jump buckle and the lock catch on the bracket are in the prior art and are not repeated.

In this embodiment, as shown in the drawing, the first through groove and the second through groove are arc grooves. The running is more stable during rotation.

In this embodiment, as shown in the drawing, the pull rod includes a first rod 241, one end of the first rod is bent to form a second rod 242, the other end is bent to form a third rod 243, the support is provided with a mounting hole 212, and the second rod is connected with the mounting hole. One end of the pull rod is connected with the bracket through the first rod, the bracket is provided with a mounting hole in interference fit with the outer wall of the first rod, the third rod penetrates through the first through hole to enter the shell of the circuit breaker and is correspondingly arranged with the lock catch of the first circuit breaker, and the structure is simple and the use is convenient.

In this embodiment, as shown in the figure, the inner wall of the housing is provided with a sliding groove 10 which is slidably engaged with the first rod. The sliding groove is of a structure that the shell is concave, the first rod moves in the sliding groove, and the use is stable.

In this embodiment, as shown in the figure, an elastic baffle 4 is disposed in the housing, and the release includes a push rod 31, where one side of the baffle is disposed corresponding to the push rod, and the other side of the baffle is disposed corresponding to the lock catch. The push rod pushes the baffle, overcomes the elasticity of the baffle, drives the lock catch to rotate through the baffle, and then resets under the action of the baffle, so that the use is more convenient.

In this embodiment, as shown in the drawing, a fixing seat 103 is disposed in the housing, and one end of the baffle forms a clamping groove 41 for clamping and matching with the fixing seat. The assembly is convenient.

In this embodiment, as shown in the drawing, the release part covers the chute and is correspondingly disposed above the first rod. Realize spacing to first pole, prevent that first pole from rocking, excellent in use effect.

In this embodiment, as shown in the drawing, a boss 213 is correspondingly disposed on the support opposite to the baffle. When the baffle is movable, the support is pushed to rotate by pushing the boss, so that the stress is more convenient.

In the description of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.

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 one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The embodiments described with reference to the drawings are exemplary and intended to be illustrative of the invention and should not be construed as limiting the invention. The examples should not be construed as limiting the invention, but any modifications based on the spirit of the invention should be within the scope of the invention.

Claims

1. The utility model provides a general electric leakage trip gear of two kinds of circuit breakers, includes casing (1), be equipped with tripping device (2) and drive in the casing tripping device (3) of tripping device action, its characterized in that: the tripping mechanism comprises a support (21), a lock catch (22) and a jump buckle (23) which are correspondingly arranged are arranged on the support, a first through groove (101) and a second through groove (102) are formed in the shell, a pull rod (24) is arranged on the support, and one end of the pull rod extends out of the first through groove and is used for driving the lock catch of the first circuit breaker to rotate; the back of the bracket is provided with a groove (211) which is arranged corresponding to the second through groove, and the groove is used for the trip pin of the second circuit breaker to extend in;

the pull rod comprises a first rod (241), one end of the first rod is bent to form a second rod (242), the other end of the first rod is bent to form a third rod (243), the support is provided with a mounting hole (212), and the second rod is connected with the mounting hole;

the inner wall of the shell is arranged on a sliding groove (10) of the first rod in sliding fit.

2. The leakage trip unit of two general circuit breakers according to claim 1, wherein: the first through groove and the second through groove are arc grooves.

3. The leakage trip apparatus of two general-purpose circuit breakers according to claim 2, wherein: the elastic baffle (4) is arranged in the shell, the release comprises a push rod (31), one side of the baffle is arranged corresponding to the push rod, and the other side of the baffle is arranged corresponding to the lock catch.

4. The leakage trip apparatus of two general circuit breakers according to claim 3, wherein: a fixed seat (103) is arranged in the shell, and one end of the baffle forms a clamping groove (41) matched with the fixed seat in a clamping way.

5. The leakage trip unit of two general circuit breakers of claim 4, wherein: the release part covers the sliding groove and is correspondingly arranged above the first rod.

6. The leakage trip unit of two general circuit breakers of claim 5, wherein: and a boss (213) is correspondingly arranged on the bracket relative to the baffle.