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Snap-action thermostat capable of improving overload capacity

A technology of jump-type thermostat and overload capacity, which is applied in the direction of thermal switch components, etc., can solve the problems of weakening the overload capacity of jump-type thermostat, reduce conductive riveting points, improve overload capacity, and product structure compact effect

Inactive Publication Date: 2018-01-16
佛山市通宝华龙控制器有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These conductive riveting points have a certain contact resistance. When the dynamic and static contacts of the thermostat are closed, there will be 4 conductive riveting points in the current loop between the first terminal 1 and the second terminal 15. It is equivalent to connecting 4 contact resistances in series, which will greatly weaken the overload capability of the jump thermostat

Method used

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  • Snap-action thermostat capable of improving overload capacity
  • Snap-action thermostat capable of improving overload capacity
  • Snap-action thermostat capable of improving overload capacity

Examples

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Embodiment Construction

[0015] The present invention is described in further detail by the following examples.

[0016] see Figure 2-4 As shown, a jump-type thermostat capable of improving overload capacity includes a cover 21, a bimetal disc 22, an action rod 23, a housing 24, a third terminal 25, a fourth terminal 29, a moving contact The head bracket 31, the movable contact 32, the fixed contact 33, and the bimetal disc 22 are placed in the horizontal concave ring groove on the top of the housing 24, and the action rod 23 moves vertically through the central through hole of the housing 24. One end of the movable contact bracket 31 is fixed with a movable contact 32, and the fixed contact 33 is fixed on the inner end of the fourth terminal 29 and is opposite to the movable contact 32, and is also provided with an inner groove cover plate 27, the other end of the moving contact bracket 31 is riveted between the inner end of the third terminal 25 and the housing 24 through the third rivet 26, and t...

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PUM

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Abstract

The invention discloses a snap-action thermostat capable of improving the overload capacity. The snap-action thermostat is provided with a cover board with an inner groove, wherein a fixed contact isfixed at the inner end part of a fourth connection terminal and is opposite to a movable contact; the other end part of a movable contact carrier is separated by the inner end part of a third connection terminal and is riveted with a shell through a third rivet; the inner end part of the fourth connection terminal is riveted with the shell through a fifth hollow rivet; and the cover board passes through the fifth hollow rivet and is riveted with the shell through a fourth rivet. According to the snap-action thermostat, conductive riveting points are reduced through adopting a double-rivet riveting structure, thereby improving the overload capacity of the snap-action thermostat.

Description

technical field [0001] The invention relates to the technical field of a jump-type temperature controller, in particular to a jump-type temperature controller capable of improving overload capacity. Background technique [0002] The sudden jump thermostat is widely used in some electric heating appliances to control the temperature and play the role of overheating protection. There is a sudden jump temperature controller, which consists of a cover 7, a bimetal disc 9, a guide frame 8, a housing 6, an action rod 10, a fixed contact assembly (including a fixed contact 11 and a fixed contact connecting plate 13) The moving contact assembly (including the moving contact 12 and the moving contact bracket 3), the bracket pressing block 5, the first terminal 1, the second terminal 15, the first rivet 2, and the second rivet 4. The first connecting terminal 1 is riveted with the first rivet 2 through the housing 6 and the fixed contact plate 13 to form two conductive riveting point...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H37/54
Inventor 招智祺陈永钧黎燕筠
Owner 佛山市通宝华龙控制器有限公司
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