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Air switch

An air switch and switch device technology, applied in electrical switches, high voltage air circuit breakers, high voltage/high current switches, etc. The effect of reducing damage and avoiding the influence of service life

Inactive Publication Date: 2015-07-29
ANHUI ZHIRUI ELECTRIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the existing air switch automatically closes the switch, the plate button will quickly collide with the boss on the air switch and close, and the plate button will bear a huge force in a short time, so the plate button will be easy to break, and the air switch will It is scrapped, affecting the service life of the entire air switch

Method used

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Embodiment Construction

[0010] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific illustrations.

[0011] Such as figure 1 As shown, an air switch includes a housing 1, the front end of the housing 1 is symmetrically provided with threaded holes 12 close to both ends, and the middle part of the front end of the housing 1 between the threaded holes 12 is provided with a boss 11 , the middle part of the rear end surface of the housing 1 is provided with a groove 13, the boss 11 is provided with a switch device 14 and a force platform 15, the force platform 15 is connected with the switch device 14, and the switch device 14 includes The plate button 16 and the mounting seat 17 , the plate button 16 is reversibly installed in the mounting seat 17 so that it can abut against the force platform 15 .

[0012] In specific design, an arc-shaped groov...

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PUM

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Abstract

The invention discloses an air switch, belongs to the field of electrical equipment. The air switch comprises a casing, threaded holes are symmetrically arranged at positions near to the two ends at the front surface of the casing, the middle portion between the threaded holes at the two ends of the front end surface of the casing is provided with a boss, the middle portion of the rear end surface of the casing is provided with a groove, a switching device and a bearing platform connected with the switching device are arranged on the boss, the switching device comprises a toggle switch and a soleplate, the toggle switch is mounted in the soleplate in an overturnable manner and enables the soleplate to abut against the bearing platform, and an arc-shaped groove is formed in the end portion of the bearing platform. On the basis of a traditional air switch, the bearing platform is additionally arranged on the boss to increase the bearing area and reduce damage on the toggle switch, and influence on the service life of the air switch is avoided.

Description

technical field [0001] The invention relates to the field of electrical equipment, in particular to an air switch. Background technique [0002] Air switch, also known as air circuit breaker, is a kind of circuit breaker, which is a switch that will automatically disconnect as long as the current in the circuit exceeds the rated current. The air switch is a very important electrical appliance in the low-voltage power distribution network and electric drive system. It integrates control and multiple protection functions. In addition to completing the contact and breaking of the circuit, it can also protect the short circuit, severe overload and undervoltage of the circuit or electrical equipment, and can also be used to start the motor infrequently. When the existing air switch automatically closes the switch, the plate button will quickly collide with the upper boss of the air switch and close. If it is scrapped, it will affect the service life of the entire ai...

Claims

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Application Information

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IPC IPC(8): H01H33/53
CPCH01H33/53
Inventor 刘明虎
Owner ANHUI ZHIRUI ELECTRIC
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