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A circuit breaker opening and closing holding mechanism

A holding mechanism, opening and closing technology, applied in the contact drive mechanism and other directions, can solve the problem of reducing the opening and closing driving force, etc., and achieve the requirements of simplifying the structure design, accurate closing movement, and reducing the manufacturing process and assembly process. Effect

Active Publication Date: 2018-02-16
徐州新电高科电气有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of the problems existing in the above-mentioned prior art, the present invention provides a circuit breaker opening and closing holding mechanism, which solves the problem of the circuit breaker opening and closing holding mechanism, simplifies the structure, reduces the requirements for the manufacturing process and assembly process of the holding mechanism, and can Reduce the driving force of opening and closing, and improve the reliability of the opening and closing holding mechanism of the circuit breaker

Method used

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  • A circuit breaker opening and closing holding mechanism
  • A circuit breaker opening and closing holding mechanism
  • A circuit breaker opening and closing holding mechanism

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Embodiment Construction

[0022] The present invention will be further described below in conjunction with the accompanying drawings.

[0023] Such as Figure 1 to Figure 5 As shown, the opening and closing holding mechanism of the circuit breaker includes a driving shaft 2, a sliding rod sleeve 5 connected with the driving shaft 2, and a central shaft 7 of a rotating pair formed by cooperating with the sliding rod sleeve 5. The rod shaft 6 constitutes a first sliding pair, and a spring 8 is sleeved on the rod shaft 6 .

[0024] Bracket 9, cooperating with bracket 9 to install shaft two 11 forming the second sliding pair, bracket 9 connects slide bar shaft 6 through column pin one 12, column pin one 12 cooperates with strip-shaped hole three 9-2 offered on the bracket 9 to form The third sliding pair.

[0025] The moving contact 14 installed on the bracket 9 , the static contact 15 cooperating with the moving contact 14 , and the limit gear 10 cooperating with the bracket 9 for limiting the distance ...

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Abstract

The invention discloses a breaker divide-shut brake keeping mechanism and belongs to the technical field of appliance switch protection. The breaker divide-shut brake keeping mechanism comprises a drive shaft (2), a sliding rod sleeve (5) connected with the drive shaft, a center shaft (7) matched with the sliding rod sleeve, a sliding rod shaft (6) sleeved with the sliding rod sleeve, a spring (8) connected to the sliding rod shaft in a sleeving mode, a second shaft (11) matched with a support (9), a movable contact (14) installed on the support, a fixed contact (15) matched with the movable contact, and a limiting gear (10) matched with the support to limit the distance between the movable contact and the fixed contact, wherein the support is connected with the sliding rod shaft through a first pin (12) and the first pin is matched with a third strip-shaped hole (9-2) formed in the support. By means of a bistable state keeping mechanism, the structural design is simplified, the requirement of the keeping mechanism for the manufacturing process and the assembling process is lowered, the brake dividing movement and the brake shutting movement of the contacts are more precise and reliable, and the brake dividing phenomenon caused by a non-load reason will not occur even the breaker divide-shut brake keeping mechanism is used on a shaking occasion.

Description

technical field [0001] The invention relates to an opening and closing mechanism of a circuit breaker, in particular to an opening and closing holding mechanism applicable to a circuit breaker, and belongs to the technical field of electrical switch protection. Background technique [0002] A circuit breaker is an electrical protection device that can manually open or close a live circuit and automatically disconnect an overload circuit or a short circuit. [0003] The circuit breaker in the prior art needs to maintain the opening and closing state of the circuit breaker through the multi-link latch mechanism to provide suitable opening and closing holding force, and the manufacturing process and assembly of the multi-link latch mechanism itself The process is too complex and prone to mechanism failure. In order to solve this problem and simplify the design structure, a bistable opening and closing holding mechanism can be used to replace the original multi-link latch mecha...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01H3/46
CPCH01H3/46
Inventor 张立志冯仰怀
Owner 徐州新电高科电气有限公司
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