Temperature-sensing and automatic on and off fire extinguishing device

A temperature-sensing automatic on and off fire-extinguishing device, comprising:

• a valve body, an auxiliary seal, a sealing pad, a magnetic ring, a lower magnetic ring sleeve, an upper magnetic ring sleeve, a first temperature sensor, a bi-directional spacer;
• a large reset spring;
• a valve cover;
• a second temperature sensor, a actuating sleeve;
• a small reset spring;
• a connector;
• a sealing sleeve;
• a screw;
• a magnetic core;
• a magnetic-core sleeve;
• a magnetic-core rod and a sealing cap;
• wherein the sealing pad is provided on a groove inside the valve body and below the auxiliary seal;
• the auxiliary seal is provided on the groove inside the valve body and above the sealing pad;
• the magnetic ring is provided inside the upper magnetic ring sleeve and the lower magnetic ring sleeve and sleeved on an external of the sealing sleeve;
• the magnetic core is provided on a top portion inside the magnetic core sleeve;
• the magnetic core rod is provided in the magnetic core sleeve and below the magnetic core;
• the sealing cap is sleeved on a low portion of the magnetic core rod;
• the sealing sleeve is provided on an external of the magnetic core sleeve and inside the upper magnetic ring sleeve and the lower magnetic ring sleeve;
• the lower magnetic ring sleeve is connected with the upper magnetic ring sleeve by riveting;
• the first temperature sensor is provided on an external of the lower magnetic ring sleeve and on a low portion of the bi-directional spacer;
• the bi-directional spacer is provided on an up portion of the first temperature sensor ;
• the large reset spring is provided on an up portion of the bi-directional spacer and on an external of the upper magnetic ring sleeve;
• the connector is provided on an up portion of the valve cover;
• a first end of the connector is provided on a low portion of a convex of the upper magnetic ring sleeve;
• a second end of the connector is coaxially aligned with a screw hole of the actuating sleeve and fastened by the screw;
• the actuating sleeve is provided on an external of the second temperature sensor and inside the small reset spring;
• the second temperature sensor is provided in the actuating sleeve;
• the actuating sleeve is provided in the valve cover;
• the small reset spring is provided on an external of the actuating sleeve and on an up portion of the Bi-directional spacer;
• the valve cover is provided on an up portion of the valve body;
• the spacer is provided between the small reset spring and a circlip;
• the circlip is provided in a slot of the actuating sleeve on a low portion of the spacer;
• the valve cover and the valve body is connected by the screw.