CN212517089U

CN212517089U - Transmission mechanism of residual current circuit breaker

Info

Publication number: CN212517089U
Application number: CN202021599796.4U
Authority: CN
Inventors: 刘豫
Original assignee: Gaoneng Gele Electric Co ltd
Current assignee: Gaoneng Gele Electric Co ltd
Priority date: 2020-08-05
Filing date: 2020-08-05
Publication date: 2021-02-09
Anticipated expiration: 2030-08-05

Abstract

Transmission mechanism of leakage circuit breaker. The problem that the linkage and the complex structure are realized mostly through the linkage piece by the first tripping mechanism and the second tripping mechanism of the existing residual current circuit breaker is mainly solved. The method is characterized in that: be equipped with push pedal (231) on the first hasp, be equipped with on the mesochite and be used for through-hole (111) that the push pedal passed, be equipped with bellying (331) on the second hasp, the second hasp promotes the bellying through the push pedal and drives the second hasp rotation when rotating. The utility model provides a transmission of electric leakage circuit breaker, it does not be equipped with the slurcam on the first jam plate and can link compact structure, convenient to use with the second jam plate linkage.

Description

Transmission mechanism of residual current circuit breaker

Technical Field

The utility model relates to a residual current circuit breaker field, concretely relates to residual current circuit breaker's drive mechanism.

Background

The leakage breaker is a switch which can automatically act when the leakage current in the circuit exceeds a preset value. The conventional leakage circuit breaker is classified into a voltage type and a current type, and the current type is classified into an electromagnetic type and an electronic type.

The residual current circuit breaker is actually a circuit breaker with a residual current protection function, and the residual current circuit breaker comprises a circuit breaker mechanism and a residual current unit, but the existing residual current unit is kept connected with a circuit breaker lock catch in the circuit breaker mechanism through a connecting rod, namely after the residual current unit detects that the circuit generates electric leakage, the circuit breaker lock catch is driven to act through the connecting rod, and then breaking tripping is realized through the circuit breaker mechanism.

The first tripping mechanism and the second tripping mechanism of the existing residual current circuit breaker are mostly linked through a linkage piece, and the structure is complex.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of background art, the utility model provides an electric leakage circuit breaker's drive mechanism mainly has solved present electric leakage circuit breaker's first tripping device and second tripping device and has realized the linkage mostly through the linkage, the more complicated problem of structure.

The utility model adopts the technical proposal that:

the transmission mechanism of the residual current circuit breaker comprises a front cover, a middle shell and a rear cover, wherein an L pole cavity is formed between the front cover and the middle cover, an N pole cavity is formed between the rear cover and the middle shell, a first tripping mechanism is arranged in the L pole cavity and comprises a first support, a first jump buckle and a first buckle are correspondingly arranged on the first support, a second tripping mechanism is arranged in the N pole cavity and comprises a second support, a second jump buckle and a second buckle are correspondingly arranged on the second support, a push plate is arranged on the first buckle, a through hole for the push plate to pass is formed in the middle shell, a protruding portion is arranged on the second buckle, and the second buckle pushes the protruding portion to drive the second buckle to rotate when rotating.

The first tripping mechanism further comprises a first handle, the second tripping mechanism comprises a second handle, and the first handle and the second handle are detachably connected.

The protruding part is a pin rod arranged on the second lock catch.

The handle is characterized in that an inserting shaft is arranged on the second handle, a second protrusion is arranged on the circumferential outer wall of the inserting shaft, a first protrusion and a shaft hole matched with the inserting shaft in a clamping mode are arranged on the first handle, and the side end face of the first protrusion is in contact with the side end face of the second protrusion.

And the push plate is provided with a reinforcing rib.

The first lock catch is arranged on one side opposite to the middle shell.

The first handle is provided with a plurality of anti-skid bulges.

The utility model has the advantages that: the utility model provides a transmission of electric leakage circuit breaker, it does not be equipped with the slurcam on the first jam plate and can link compact structure, convenient to use with the second jam plate linkage.

Drawings

Fig. 1 is an exploded view of an embodiment of the present invention.

Fig. 2 is a schematic perspective view of a middle shell according to an embodiment of the present invention.

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

Fig. 4 is a partial perspective view of an embodiment of the present invention.

Fig. 5 is a schematic diagram of a partial explosion according to an embodiment of the present invention.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings: as shown in the figure, electric leakage circuit breaker's drive mechanism, including protecgulum 1, mesochite 2 and hou gai 3, form the utmost point cavity of L between protecgulum and the mesochite, the back lid with form the utmost point cavity of N between the mesochite, be equipped with first tripping device in the utmost point cavity of L, first tripping device includes first support 21, it is equipped with first jump ring 22 and first hasp 23 to correspond on the first support, be equipped with second tripping device in the utmost point cavity of N, second tripping device includes second support 31, it is equipped with second jump ring 32 and second hasp 33 to correspond on the second support, be equipped with push pedal 231 on the first hasp, be equipped with on the mesochite and be used for the through-hole 111 that the push pedal passed, be equipped with bellying 331 on the second hasp, it drives the second hasp rotation to push pedal promotion hasp bellying when the second hasp rotates. Jump and detain, hasp and support how to rotate for prior art, no longer give unnecessary details, when first tripping device dropout, first hasp rotates and promotes the bellying and then drive the rotation of second hasp and realize the dropout through the push pedal that is equipped with on the first hasp, compact structure, convenient to use.

In the present embodiment, as shown, the first trip mechanism further includes a first handle 24, and the second trip mechanism includes a second handle 34, and the first handle and the second handle are detachably connected.

In this embodiment, as shown in the figure, the protrusion is a pin rod provided on the second lock catch.

In this embodiment, as shown in the figure, an insertion shaft 341 is disposed on the second handle, a second protrusion 342 is disposed on an outer circumferential wall of the insertion shaft, a first protrusion 242 and a shaft hole 241 engaged with the insertion shaft are disposed on the first handle, and a side end surface of the first protrusion contacts with a side end surface of the second protrusion. The operation is more stable.

In this embodiment, as shown in the figure, the push plate is provided with a reinforcing rib. The service life is prolonged.

In this embodiment, as shown in the figure, the first lock is disposed at a side opposite to the middle shell. The structure is more compact.

In this embodiment, as shown in the figure, the first handle is provided with a plurality of anti-slip protrusions 243. Is convenient for manual operation.

In the description of the present invention, it is to 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 those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

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

Claims

1. Transmission mechanism of electric leakage circuit breaker, including protecgulum (1), mesochite (2) and hou gai (3), form the utmost point cavity of L between protecgulum and the mesochite, back lid with form the utmost point cavity of N between the mesochite, be equipped with first tripping device in the utmost point cavity of L, first tripping device includes first support (21), it detains (22) and first hasp (23) to correspond to be equipped with first jump on the first support, be equipped with second tripping device in the utmost point cavity of N, second tripping device includes second support (31), it detains (32) and second hasp (33), its characterized in that to correspond to be equipped with the second jump on the second support: be equipped with push pedal (231) on the first hasp, be equipped with on the mesochite and be used for through-hole (111) that the push pedal passed, be equipped with bellying (331) on the second hasp, the second hasp promotes the bellying through the push pedal and drives the second hasp rotation when rotating.

2. A residual current circuit breaker transmission mechanism as claimed in claim 1, characterized in that: the first tripping mechanism further comprises a first handle (24), the second tripping mechanism comprises a second handle (34), and the first handle and the second handle are detachably connected.

3. A residual current circuit breaker transmission mechanism as claimed in claim 1, characterized in that: the protruding part is a pin rod arranged on the second lock catch.

4. A residual current circuit breaker transmission mechanism as claimed in claim 2, characterized in that: the handle is characterized in that an inserting shaft (341) is arranged on the second handle, a second protrusion (342) is arranged on the circumferential outer wall of the inserting shaft, a first protrusion (242) and a shaft hole (241) matched with the inserting shaft in a clamping mode are arranged on the first handle, and the side end face of the first protrusion is in contact with the side end face of the second protrusion.

5. A residual current circuit breaker transmission mechanism as claimed in claim 1, characterized in that: and the push plate is provided with a reinforcing rib.

6. A residual current circuit breaker transmission mechanism as claimed in claim 1, characterized in that: the first lock catch is arranged on one side opposite to the middle shell.

7. A residual current circuit breaker transmission mechanism as claimed in claim 2, characterized in that: the first handle is provided with a plurality of anti-skid protrusions (243).