Closed residual pressure retaining valve for pneumatic spring strut of motor vehicle, has base body with central drilling by which valve shaft is guided, and valve plug locking opening of central drilling

摘要

The retaining valve (1) has an auxiliary body (3) rejected from a base body (2) under a spring load. A flexible tube unit (6) surrounds the base body and the auxiliary body, where respective ends (7, 8) of the tube unit are connected air-tightly with the base body and the auxiliary body. The base body includes a central drilling (12) by which a valve shaft (14) is guided. A valve plug (13) locks an opening (11) of the central drilling. The base body and the auxiliary body are of cylindrical shape in areas of the ends.