Fireproof valve
A fire damper, valve body technology, applied in the direction of lift valve, valve details, valve device, etc., can solve the problems of poor gap sealing, accidents, easy to fail to close effect, etc., and achieve good sealing effect.
Active Publication Date: 2020-05-01
河南华鹰机械设备有限公司
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Problems solved by technology
[0005] The technical problem to be solved by the present invention: when the fire damper is automatically closed, it generally relies on overlapping of multiple blades, and the gap between the overlapping blades is not well sealed, and it is easy to fail to achieve the closing effect and cause accidents
Method used
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Embodiment Construction
[0028] Such as Figure 1-3 , a fire damper, including a valve body 1, the valve body 1 is a part of the ventilation channel, its air inlet end is provided with a side windshield 2, an end spring piece windshield 4, and the end spring piece windshield 4 passes through the end windshield bracket 3 Being fixed on the valve body 1, the side windshield 2 and the end spring leaf windshield 4 are all prior art, and the present application does not describe them too much.
[0029] Such as Figure 4-5 A plurality of parallel blade shafts are fixed inside the valve body 1, and each blade shaft is fixed with a blade 7. When these blades 7 are parallel, it is in a ventilated state, and when these blades 7 are overlapped in sequence, it is in a sealed state.
[0030] Such as Figure 6-7 , one end of the sealing strip 16 is fixed at the overlap of the blades 7, and the other end of the sealing strip 16 extends away from the direction of the blade 7 to form a free end 161. The sealing stri...
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The invention discloses a fireproof valve. The fireproof valve comprises a valve body, the valve body is a part of a ventilation channel, a plurality of parallel blade rotating shafts are fixed in thevalve body, and each blade rotating shaft is fixedly provided with a blade; the blades are in a ventilation state when being parallel and are in a sealing state when being in lap joint in sequence, one end of a sealing strip is fixed to the lap joint position of the blades, and the other end of the sealing strip extends in the direction away from the blades to form a free end; and the sealing strip is metal foil, when the two blades are in lap joint, the free end of the sealing strip turns over in the direction of the fixed end of the sealing strip, and a certain distance is reserved betweenthe free end and the fixed end. Compared with the prior art, the fireproof valve has the technical effects that a sealing sheet made of the metal foil is arranged at the lap joint part of the blade, when the fireproof valve needs to be closed, the free end is turned over to the fixed end through air pressure to be tightly attached to the other blade, in this way, sealing is completed, the sealingeffect is good, and metal can resist high temperature.
Description
technical field [0001] The invention relates to the technical field of fire safety equipment, in particular to a fire damper. Background technique [0002] For all kinds of buildings, especially high-rise buildings, due to the chimney effect of hot smoke, once a fire occurs, the smoke spreads rapidly. Numerous fire cases show that smoke is the most important factor affecting the evacuation of people in a fire and fire rescue, and it is also the most important cause of casualties in a fire. [0003] The fire damper is installed on the pipeline of ventilation and other equipment. It is usually open. When a fire occurs, when the gas temperature in the pipeline reaches a certain stability (such as 70°C), it will automatically close. After closing, it can interrupt the flow of smoke and prevent fire. spread. [0004] Therefore, the use of fire dampers and their performance are very important in fire fighting equipment. Contents of the invention [0005] The technical problem...
Claims
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IPC IPC(8): F16K1/22F16K1/226F16K1/32F16K1/42F16K27/02F16K31/56F16K31/00F16K37/00
CPCF16K1/223F16K1/224F16K1/2261F16K1/32F16K1/42F16K27/0218F16K31/563F16K31/00F16K37/0091
Inventor 周振厂成晓瑞
Owner 河南华鹰机械设备有限公司