Backpack-type thermal protector

Abstract

The invention discloses a backpack-type thermal protector which comprises a base. The base comprises an upper base body, a lower base body and a base injection molding part, a base supporting point is arranged in the middle of an upper end surface of the upper base body, a static contact is arranged on one side of the upper end surface of the upper base body, a movable contact piece is arranged on the upper base body, a movable contact corresponding to the static contact is arranged on one side of a lower end surface of the movable contact piece, the other end of the movable contact piece is fixed by a rectangular boss stretching out from the upper end surface of the upper base body, a base clamp is vertically and fixedly arranged between the rectangular boss and the base supporting point, the upper part of the base clamp extends out of the upper end surface of the upper base body and penetrates through the movable contact piece, and the lower part of the base clamp extends to the lower base body; an elastic piece clamp is arranged on an upper end surface of the movable contact piece between the movable contact and the base supporting point, a temperature sensing piece and an elastic piece are arranged above the movable contact piece between the elastic piece clamp and the base clamp, the elastic piece is arranged above the temperature sensing piece, and two sides of the elastic piece and two sides of the temperature sensing piece are clamped and connected to the insides of the base clamp and the elastic piece clamp respectively. The backpack-type thermal protector is stable in structure and convenient to assemble.

Description

technical field [0001] The invention relates to the technical field of automatic production of electric appliance protectors, in particular to a backpack type thermal protector. Background technique [0002] The backpack heat protector is suitable for heat radiation control of hair dryers, electric heaters, air heaters, dehumidifiers, stewing pots, heating racks, and various electric heating appliances. [0003] In the process of installation and use of the existing backpack-type thermal protector, in order to facilitate production and assembly, the temperature-sensing sheet is easy to shake, causing the temperature of the protector to be inaccurate and unable to work, or even falling off and losing the protection function. Its structure is only suitable for manual assembly of a single temperature sensor; the product terminal is separated from the base, and is riveted with two rivets, which can only be assembled manually or machined in sections; product temperature drift and...

AI Technical Summary

Problems solved by technology

[0003] During the installation and use of the existing backpack-type thermal protector, in order to facilitate production and assembly, the temperature-sensing sheet is easy to shake, causing the temperature of the protector to be inaccurate and unable to work, or even falling off and losing the protection function

Its structure is only suitable for manual assembly of a single temperature sensor; the product terminal is separated from the base, and is riveted with two rivets, which can only be assembled manually or machined in sections; product temperature drift and pressure changes require manual adjustment, and hard to adjust etc.

As a result, it is difficult to control the temperature pass rate of the product, and the service life is affected

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