Smoke exhaust valve full automatic execution mechanism

An actuator, fully automatic technology, applied in the direction of engine components, valve details, valve devices, etc., can solve the problems of high operation requirements, long action time, no change of torque, etc., to achieve enhanced tensile performance and wear resistance, Good wear resistance and self-lubricating properties, not easy to puncture and wear
CN104482271AActive Publication Date: 2015-04-01NINGBO DONGLING PLUMB & AIR CONDITIONING PARTS & ACCESSORIES
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
NINGBO DONGLING PLUMB & AIR CONDITIONING PARTS & ACCESSORIES
Publication Date
2015-04-01

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Abstract

The invention discloses a smoke exhaust valve full automatic execution mechanism. The smoke exhaust valve full automatic execution mechanism comprises a micro switch arranged in a housing, a relay, a micro shifting lever, a steel wire rope, a motor on a fixing frame, a clutch, a gear drive reduction mechanism, a rope reeling wheel and a pawl installed on the fixing frame, wherein the micro shifting lever is used in combination with the micro switch, the pawl is made of fluorine plastic, the fluorine plastic is mainly prepared from raw materials of, based on weight parts, 50-80 parts of PTFE (polytetrafluoroethylene) powder, 30-40 parts of PFA (polyfluoroalkoxy) powder, 5-10 parts of grading carbon fibers and 15-30 parts of coupling agents, wherein each grading carbon fiber consists of 3-5 parts of long filament carton fibers and the balance short filament carton fibers, and length rate of each long filament carton fiber and each short filament carton fiber is 2-3:1. The smoke exhaust valve full automatic execution mechanism is convenient to operate, and has the advantages of being large in torsion, short in action time, stable in performance, low in component weight, resistant to abrasion and excellent in use performance.
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Description

technical field

[0001] The invention relates to a device installed on a plate-type smoke exhaust port in a high-rise building smoke exhaust system to open or close a smoke exhaust valve, specifically a fully automatic actuator for the smoke exhaust valve. Background technique

[0002] The website of the State Intellectual Property Office of China announced a long-distance exhaust valve actuator, which uses a solenoid valve as the power device, and moves the iron core through the electromagnet to drive the transmission mechanism composed of the swing rod and the swing frame. The ratchet and the ratchet, which act as a limit on the sheave, are released, and the smoke exhaust valve is opened under the action of its own tension spring. Although the actuator can remotely control the exhaust valve, it still has the following defects in actual use:

[0003] 1. Since the above-mentioned actuators in the prior art can open the smoke exhaust valve remotely, but cannot close the smoke...

Claims

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