Temperature-sensing and automatic on and off fire extinguishing device

Abstract

A temperature-sensing and automatic on and off extinguishing device includes: a valve body (1), a sealing auxiliary member (2), a sealing pad (3), a magnetic ring (4), a lower magnetic ring sleeve (5), an upper magnetic ring sleeve(6), a first temperature-sensing element (7), a bi-directional spacer (8), a large reset spring (9), a valve cover (17), a second temperature-sensing element (13), an actuating sleeve (12), a small reset spring (14), a connecting element (10), a sealing sleeve (18), a screw (11), a magnetic core rod (21) and a sealing cap (22). When a fire occurs, the first temperature-sensing element (7), affected by the rise of the surrounding environmental temperature, pushes the bi-directional spacer (8) to move upward.

Claims

1. A temperature-sensing automatic on and off fire-extinguishing device, comprising: a valve body, a sealing auxiliary member, a sealing pad, a magnetic ring, a lower magnetic ring sleeve, an upper magnetic ring sleeve, a first temperature-sensing element, a bi-directional spacer; a large reset spring; a valve cover; a second temperature-sensing element, a actuating sleeve; a small reset spring; a connecting element; 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 sealing auxiliary member; the sealing auxiliary member 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-sensing element 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-sensing element; 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 connecting element is provided on an up portion of the valve cover; a first end of the connecting element is provided on a low portion of a convex of the upper magnetic ring sleeve; a second end of the connecting element is coaxially aligned with a screw hole of the actuating sleeve and fastened by a screw; the actuating sleeve is provided on an external of the second temperature-sensing element and inside the small reset spring; the second temperature-sensing element 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 spacer; the valve cover is provided on an up portion of the valve body; the spacer is provided between the small reset spring and the 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.

2. The temperature-sensing automatic on and off fire-extinguishing device, as recited in claim 1, which is characterized in being capable of reused; automatically turning on water spray to extinguish fire when a temperature reaches a preset opening temperature according to different usage environment according to a national standard of China; and automatically turning off and terminating spraying when the environmental temperature drops below 45 C. after the fire is extinguished.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Further description of the present invention is illustrated combining with the accompanying drawings and the preferred embodiments.

[0010] The FIGURE is a schematic sectional view of a temperature-sensing and automatic on and off fire extinguishing device in a normal working condition.

[0011] 1valve body; 2sealing auxiliary member; 3sealing pad; 4magnetic ring; 5lower magnetic ring sleeve; 6upper magnetic ring sleeve; 7first temperature-sensing element; 8bi-directional spacer; 9large reset spring; 10connecting element; 11screw; 12actuating sleeve; 13second temperature-sensing element; 14small reset spring; 15spacer; 16circlip; 17valve cover; 18sealing sleeve; 19magnetic core; 20magnetic-core sleeve; 21magnetic-core rod; 22sealing cap.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT

[0012] Firstly, connect a sealing auxiliary member 2 with a sealing pad 3; put into a valve body 1; send a magnetic core 19 into a magnetic-core sleeve 20; send a magnetic-core rod 21 into the magnetic-core sleeve 20; put two magnetic cores 19 onto a top portion of the magnetic-core rod 21; connect the magnetic-core rod 21 with the magnetic-core sleeve 20 by riveting; sleeve a sealing cap 22 on a low portion of the magnetic-core rod 21 outside the magnetic-core sleeve 20; send two magnetic ring 4 into a lower magnetic ring sleeve 5; connect an upper magnetic ring sleeve 6 with the lower magnetic ring sleeve 5 by riveting; sleeve a first temperature-sensing element 7 on an external of the lower magnetic ring sleeve 5; sleeve a bi-directional spacer 8 on an external of the upper magnetic ring sleeve 6; send a large reset spring 9 into a valve cover 17; send a sealing sleeve 18 into the lower magnetic ring sleeve 5 and the upper magnetic ring sleeve 6; connecting and fixing the valve cover 17 with the valve body 1 by screw; send the second temperature-sensing element 13 into an actuating sleeve 12; send the actuating sleeve 12 into the valve cover 17 from a top of the valve cover 17; sleeve a small reset spring 14 on an external of the actuating sleeve 12; sleeve a spacer 15 on an external of the actuating sleeve 12 and below the small reset spring 14; sleeve a circlip 16 on a circlip groove on an external of the actuating sleeve; insert a first end of a connecting element 10 into a low edge of a convex above the upper magnetic ring sleeve 6; and coaxially align a second end of the connecting element 10 with a screw hole of the actuating sleeve 12; fasten with a screw 11.

EMBODIMENT OF THE PRESENT INVENTION

[0013] In use, the temperature-sensing and automatic on and off fire extinguishing device is connected on a tap water pipeline or a fire-fighting pipeline. When a fire occurs, water source is automatically turned on to extinguish the fire. When the fire is extinguished, the water source is automatically shut off.

INDUSTRIAL APPLICABILITY

[0014] The temperature-sensing automatic on and off fire-extinguishing device can be connected to a tap water line in a house to provide a fire extinguishing device for the house.

[0015] The temperature-sensing automatic on and off fire-extinguishing device can be connected to a fire-fighting pipe in a public building to provide a new fire extinguishing device.