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a micro switch

A micro switch and trigger switch technology, applied in the field of sensors, can solve the problems of difficult assembly, poor safety, high assembly tolerance, etc., and achieve the effect of simple and compact overall structure, reasonable structure, and quick assembly.

Inactive Publication Date: 2017-03-15
FOSHAN CHUANDONG MAGNETOELECTRICITY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] There are many problems in the use of the sensor with this structure. The triggering of the micro switch is realized by the drive of the installation cup, and there are many working parts on the installation cup. When assembling, the components need a high Assembly tolerances lead to difficult assembly and poor stability; and the existing micro switch internal structure layout is relatively compact, lacks the protection of the overheat protection mechanism, and its own safety is poor, and the sensor needs to be additionally provided with overcurrent protection to improve the overall It is safe to use, resulting in the complexity of the overall structure of the sensor

Method used

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Embodiment Construction

[0021] The present invention will be further described below in conjunction with the accompanying drawings.

[0022] A micro switch according to the present invention includes a base 1 and a fin 5, the front end of the fin 5 is provided with two fins 51, and the two fins 51 are symmetrically spaced apart, and the far end of the fin 51 is The inner side is provided with a "T"-shaped clamping end 52, the base 1 is inserted between the two wing plates 51 and the base 1 is respectively hinged with the two clamping ends 52, and the base 1 is provided with a wing. The trigger switch is set in linkage with the plate 51; the two side plates at one end of the base 1 are provided with opening slots 11, and the locking ends 52 on the two wing plates 51 are respectively hinged on the corresponding opening slots 11. The above-mentioned components are the main structure of the present invention. The fin plate 5 is horizontally arranged to be statically balanced with the trigger switch strok...

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Abstract

The invention relates to the technical field of sensors, in particular to a microswitch. The microswitch comprises a base and a fin plate, the front end of the fin plate is provided with two wing plates which are arranged symmetrically at an interval, the inner side of the far end of each wing plate is provided with a T-shaped clamping and connecting end, the base is penetratingly arranged between the two wing plates, the base is hinged to the two clamping and connecting ends, and a trigger switch linked with the fin plate is arranged in the base. The microswitch is reasonable in structure, an action sheet is connected with the fin plate through a tension spring, and the tension spring enables the action sheet to keep a transverse stable state; when the fin plate bears downward trigger force, the tension spring enables the action sheet to rise to connect a moving contact with a static contact, and the microswitch outputs a signal; when current passing a pin A and a pin B is overlarge, the temperature of the action sheet rises to generate deformation jumping, the moving contact is enabled to be disconnected with the static contact so as to achieve overcurrent protection, and the microswitch is simple and compact in integral structure, quick to assemble and stable to use.

Description

technical field [0001] The invention relates to the technical field of sensors, in particular to a micro switch. Background technique [0002] The common anti-dry sensors on the market at present include installation cup, micro switch and switch support plate. There is a return spring, and the switch support plate is fixed on the installation base plate. When in use, the installation cup moves down and the micro switch is connected to the heating circuit on the installation base plate. There are thermal components connected in series on the heating circuit. When the installation cup is released, the heating is turned off. circuit. [0003] There are many problems in the use of the sensor with this structure. The triggering of the micro switch is realized by the drive of the installation cup, and there are many working parts on the installation cup. When assembling, the components need a high Assembly tolerances lead to difficult assembly and poor stability; and the existin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01H71/14
CPCH01H71/14
Inventor 刘利龙克文
Owner FOSHAN CHUANDONG MAGNETOELECTRICITY