| 摘要 |
<p>PURPOSE: A vent cap for storage battery is provided to prevent electrolyte from being leaked, outer air from coming to the inside and increase the life span of the storage battery. CONSTITUTION: A vent cap for storage battery(1) comprises; a cylinder typed body(100) which is fixed in a vent hole, a cylinder typed insert(200) is fixed with the body and forms a dividing plate and a connecting hole and an air passing hole on the dividing plate and a valve which opens the passing hole. The valve is an umbrella typed and forms a cover outside. The shape of cover is changed by the inside pressure of the storage battery and opens the air passing hole.</p> |
