| 摘要 |
PURPOSE: A sealing leak alarm is provided to let user visually and aurally perceive leakage of compressed air charged inside of a pressure tank. CONSTITUTION: A sealing leak alarm comprises a main body(100) built-in compressed air; a housing(200) which is formed a first housing connecting hole connected with the main body in one side and a second housing connection hole connected with the outside in the other side; a moving unit(300) which mutually communicates the first housing connecting hole and a second housing connecting hole by moving to one side of the housing according to inner side of the housing by elastic force of a spring when compressed air of the inner part of the main body is lower than specific pressure; and an alarm signal unit which is formed in other side of the housing to generate alarm signal by compressed air of the inner part of the main body ejected to outside.
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