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Interlocking mechanism and interlocking device

A technology of interlocking mechanism and interlocking device, which is applied to electrical components, electrical switches, circuits, etc., can solve the problems of large size of the interlocking mechanism, large closing power, difficulty in closing the switch, etc. The effect of small brake power and low manufacturing cost

Active Publication Date: 2019-10-25
GUIZHOU TAIYONG CHANGZHENG TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing two-interlock mechanism and three-interlock mechanism are both double-lever and double-rotating shaft structures, and the reaction force of the tension spring is large. Especially in the three-interlock mechanism, a large closing power is required to drive the interlock device when the switch is closed. Difficulty closing the switch
In addition, the interlocking mechanism of the double-lever and double-rotating shaft structure has a large volume, high production cost, and poor reliability

Method used

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  • Interlocking mechanism and interlocking device
  • Interlocking mechanism and interlocking device
  • Interlocking mechanism and interlocking device

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Experimental program
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Embodiment Construction

[0027] In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the specific implementation manners of the present invention will now be described in detail with reference to the accompanying drawings.

[0028] Such as figure 1 As shown, the interlock mechanism of the first embodiment of the present invention is used for a circuit breaker, especially for a universal circuit breaker. The interlocking mechanism may include a housing 100 , a first swing arm 10 , a second swing arm 20 , a first cable 30 and a second cable 40 .

[0029] The first swing arm 10 includes a first end connected to a second end, and the second swing arm 20 includes a first end connected to a second end. The first end of the first swing arm 10 and the first end of the second swing arm 20 are rotatably mounted in the housing 100 through a rotating shaft 50 . The first cable 30 is connected between the second end of the first swing arm 10 and the f...

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Abstract

The invention discloses an interlocking mechanism and an interlocking device. The interlocking mechanism comprises a shell, a first swing arm, a second swing arm, a first cable and a second cable. A first end of the first swing arm and a first end of the second swing arm are rotatably installed in the shell through a rotating shaft. The first cable is connected between a second end of the first swing arm and a first side plate of the shell. The first side plate of the shell is provided with at least one first through hole, wherein the first cable passes through the first through hole. The second cable is connected between a second end of the second swing arm and an opposite second side plate of the shell. The second side plate of the shell is provided with at least one second through hole,wherein the second cable passes through the second through hole. In the interlocking mechanism, the two swing arms share one rotating shaft, motion is smooth and reliable, installation and debuggingare convenient, the size is small and manufacturing cost is low. The interlocking device formed by at least two interlocking mechanisms is used for an interlocking application of two breakers or threebreakers. Switch closing requires small closing power, and the installation and debugging are convenient.

Description

technical field [0001] The invention relates to the technical field of circuit breakers, in particular to an interlock mechanism and an interlock device for circuit breakers. Background technique [0002] In the universal circuit breaker, there are two interlock mechanisms and three interlock mechanisms in the form of mechanical interlock. The existing two-interlock mechanism and three-interlock mechanism are both double-lever and double-rotating shaft structures, and the reaction force of the tension spring is large. Especially in the three-interlock mechanism, a large closing power is required to drive the interlock device when the switch is closed. Difficulty closing the switch. In addition, the interlocking mechanism of the double-lever double-rotating shaft structure has a large volume, high production cost, and poor reliability. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide an interlock mechanism for a ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01H9/26
CPCH01H9/26
Inventor 冯科让宋长振曾玉娥
Owner GUIZHOU TAIYONG CHANGZHENG TECH CO LTD