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Switch-on-off button locking mechanism

A locking mechanism, opening and closing technology, applied in the direction of protection switch operation/release mechanism, electrical components, electric switches, etc., can solve the problem of no locking mechanism without opening and closing button, potential safety hazards, easy to cause accidents, etc.

Active Publication Date: 2014-08-13
镇江大全智能电气有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Generally, the circuit breaker panel has an opening button and a closing button. The opening and closing mechanism is driven by the opening button and the closing button to operate the opening and closing of the circuit breaker. In order to ensure safety, random opening and closing are not allowed during the maintenance of the circuit breaker However, traditionally there is no locking mechanism without opening and closing buttons, so the maintenance personnel can open and close the circuit breaker at will during maintenance, which has serious safety hazards and is easy to cause accidents

Method used

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Embodiment Construction

[0013] The opening and closing button locking mechanism of the present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0014] As shown in the figure, the opening and closing button locking mechanism of the present invention includes a closing button 12 and an opening button 14 that are installed on the circuit breaker panel and can move back and forth along the axial direction of the circuit breaker panel. A movable guide rod 5 and a fixed guide rod 10, the inner side of the closing button 12 is provided with a closing button interlocking plate 3 installed on the movable guiding bar 5, and one end of the closing button interlocking plate 3 can face the closing button 12, the inner side of the opening button 14 is provided with an opening button interlocking plate 17 installed on the fixed guide rod 10, one end of the opening button interlocking plate 17 can face the bottom of the opening button 14, an...

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Abstract

The invention discloses a switch-on-off button locking mechanism which comprises a switch-on button and a switch-off button. A movable guiding rod and a fixed guiding rod are arranged in a breaker face plate. A switch-on button interlocking plate is arranged on the inner side of the switch-on button. A switch-off button interlocking plate is arranged on the inner side of the switch-off button. A first blocking part is arranged on the movable guiding rod. A first reset spring is arranged between the fixed guiding rod and the switch-on button interlocking plate. An interlocking blocking plate is arranged on the movable guiding rod. A switch-on button lock is arranged on the breaker face plate and is connected with a first lock piece. A second blocking part and a third blocking part are arranged on the fixed guiding rod. A first pressing spring is arranged between the second blocking part and the switch-off button interlocking plate. A switch-off button lock is arranged on the breaker face plate and is connected with a second lock piece. After the structure is used, the switch-on button and the switch-off button can be locked, misoperation is avoided, potential safety hazards are removed, and safety accidents are avoided.

Description

[0001] technical field [0002] The invention relates to an interlocking mechanism used as a locking switch for opening and closing buttons of a circuit breaker in a complete set of medium voltage equipment, in particular to a locking mechanism for opening and closing buttons. Background technique [0003] Generally, the circuit breaker panel has an opening button and a closing button. The opening and closing mechanism is driven by the opening button and the closing button to operate the opening and closing of the circuit breaker. In order to ensure safety, random opening and closing are not allowed during the maintenance of the circuit breaker However, traditionally there is no locking mechanism without opening and closing buttons, so the maintenance personnel can open and close the circuit breaker at will during maintenance, which has serious safety hazards and is easy to cause accidents. Contents of the invention [0004] The technical problem to be solved by th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H71/10H01H9/20
Inventor 田云霞邵晓飞何波
Owner 镇江大全智能电气有限公司
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