Dual-purpose hand-operated and electric air valve structure

2011 
The utility model relates to the technical field of air control elements, in particular to a dual-purpose hand-operated and electric air valve structure, which comprises a valve and an electric magnet component. The electric magnet component comprises a guide head and a movable iron core, the valve consists of a cover plate, a front cap, a valve body and a bottom cap which are sequentially connected in an overlapped manner, a movable iron core holding portion is formed on the upper portion of the front cap and the movable iron core is arranged therein, a first return spring is arranged between the bottom of the movable iron core and the front cap, and a cavity is formed on the lower portion of the front cap. A through hole is used for holding a spool is arranged in the valve body, the spool is arranged in the through hole, a piston is fixedly arranged at the upper end of the spool, and a second return spring is arranged between the lower portion of the spool and the bottom cap. According to the dual-purpose hand-operated and electric air valve structure, a conventional hand-operated air control valve or electric air control valve which is single in control mode is replaced, both convenience in operation and safety performance are effectively improved.
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