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Reversible switch capable of realizing auto off

A technology of reversing switch and automatic closing, applied in the direction of contact drive mechanism, etc., can solve the problems of increased cost, cumbersome operation, and unfavorable product promotion, and achieve the effect of preventing safety accidents

Inactive Publication Date: 2011-01-12
王立明
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This not only increases the cost, but also is cumbersome to operate, which is not conducive to product promotion

Method used

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  • Reversible switch capable of realizing auto off
  • Reversible switch capable of realizing auto off
  • Reversible switch capable of realizing auto off

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Embodiment Construction

[0021] attached by figure 1 And attached figure 2 It can be seen that the present invention includes a switch body, the switch body is provided with a connecting terminal 3 and a rotating shaft 1 connected to the movable contact 2, and the rotating shaft 1 is connected with an extension shaft 4, and the extension shaft 4 is arranged outside the switch body to extend There is an automatic reset device on axis 4. The automatic reset device described above comprises a rotary handle 5, a reset handle 9, an outer solid plate 10, an inner solid plate 13, a cam 14, and a two-way spring 15, and is connected by an extension shaft 4, and the inner solid plate 13 is fixed on On the switch body, a two-way spring 15 , a cam 14 , and a reset handle 9 are sequentially arranged between the inner fixing plate 13 and the outer fixing plate 10 , and the handle 5 is arranged on the outside of the outer fixing plate 10 .

[0022] The upper part of the reset handle 9 mentioned above is arranged ...

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PUM

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Abstract

The invention discloses a reversible switch capable of realizing auto off. The reversible switch comprises a switch body; the switch body is internally provided with a binding post and a rotating shaft connected with a movable contact; the rotating shaft is connected with an extended shaft; and the extended shaft is arranged at the exterior of the switch body and is provided with an automatic reset device. The invention has the following beneficial effects: since the exterior of the reversible switch is provided with the automatic reset device, the operation of the reversible switch can be rapidly stopped as required without manually moving a switch screwing handle in the operation process of the switch; and when the switch is operated to a certain position, the switch is enabled to automatically realize resetting, thus preventing safe accidents from happening.

Description

technical field [0001] The invention relates to a reversing switch. Background technique [0002] The reversing switch is an electrical component for the forward and reverse of the three-phase low-power motor. It realizes the forward and reverse of the motor by turning on and off the power of different circuits. It is simple and convenient to use, but it cannot be used as an automation component. However, in actual use, it is often necessary for the switch to automatically cut off the power, so that the motor can stop running. For example, during the rolling process of the greenhouse roller shutter machine, when the push-pull rod rolls the insulation curtain to the top of the greenhouse, it is necessary to stop the operation of the roller shutter motor. At this time, it is necessary to manually move the reverse switch to stop it. If the operation is slightly slow, the thermal insulation curtain will be pushed down from the top of the greenhouse, causing artificial losses. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H3/32H01H3/42
Inventor 王立明
Owner 王立明
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