DAMPER VALVE

摘要

The invention relates to a damper valve (10) for a vibration damper of a motor vehicle wheel suspension comprising a main body (11), a spring-elastic closure device (13), which in a state of rest blocks a flow path (7) through the main body (11) and opens when subjected to flow by a flow medium, wherein the closure device (13) comprises one or more valve discs (17) and a compression spring (22) connected in series thereto, a valve guide (14), on the outer circumference (15) of which the spring-elastic closure device (13) is axially guided, and a valve spring seat (16) for supporting the spring-elastic closure device (13), which seat is pushed axially onto the valve guide (14) and is secured to the valve guide by means of a radially non-positively acting connection (24). The compression spring (22) of the spring-elastic closure device (13) comprises a plurality of disc springs (23) connected in series. In such a way, especially in the case of large biasing forces, high characteristic stability of the damper valve (10) can be achieved. Any moments of tilt in the compression spring (22) are avoided. In combination with a detachable, radially non-positively acting connection (24), during assembly a reduced tolerance with respect to the characteristic of the opening and closing behaviour is obtained. The damper valve (10) can be set force-controlled virtually without friction and without being influenced by the spring ends or the like. This can be carried out in particular also automatically, resulting in high process reliability.