Temperature limiter of electric cooker

Abstract

The invention provides a temperature limiter of an electric cooker.The upper portion of a second outer cover is sequentially provided with a second seal cover, a bimetal disk, a magnetic core bracket and a spring bracket from top to bottom; a magnetic core is installed in the magnetic core bracket, and the peripheral wall of the magnetic core bracket is sleeved with a second spring; a second push rod penetrates through a center hole of the second outer cover, a center hole of the spring bracket and a center hole of the magnetic core from bottom to top and is in contact connection with the bimetal disk, a check ring is connected into a concave ring groove of the second push rod in a clamped mode and supported on the spring bracket, and the second push rod is slidably connected with the center hole of the spring bracket in a vertical limited mode.The limiter of the electric cooker can avoid working failure of the electric cooker, and therefore the working reliability of the temperature limiter is greatly improved.

Description

technical field [0001] The invention relates to the technical field of temperature controllers, in particular to a temperature limiter for an electric rice cooker. Background technique [0002] At present, electric rice cookers are all equipped with temperature-limiting devices for overheating protection when electric rice cookers are working. When the rice cooker cooks the rice, the rice in the inner tank dries up and the temperature rises, and the temperature limiter automatically operates to protect and disconnect the circuit, so that the rice cooker can automatically cut off the power after the rice is cooked. An existing electric cooker temperature limiter is composed of a first cover 1, a soft holder 2, a temperature-sensitive soft magnet 3, a first spring 4, a permanent magnet 5, a hard holder 6, a first outer cover 7, and a first push rod 8 , see figure 1 shown. It uses the temperature-sensitive soft magnet 3 to lose its magnetism when the temperature reaches a ce...

AI Technical Summary

Problems solved by technology

The temperature-sensing soft magnetic 3 of this kind of rice cooker temperature limiter may be displaced during assembly or use, resulting in failure

Simultaneously, because the fastening of hard support 6 and the bottom of the first outer cover 7 is not accurate and firm enough, the permanent magnet 5 supported in the hard support 6 will loosen after many times of work, which will also cause the electric rice cooker to fail to work when it is energized. fail

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