Damping force variable valve assembly and damping force variable shock absorber including the same

A damping force variable valve assembly comprising:

• an integrated soft valve port having one end connected to a shock absorber, a valve disk provided at a bottom surface of the integrated soft valve and provided as a plurality of disks stacked, a fitting hole into which a valve mount for fixing the valve disk is fitted, and a plurality of connection passages formed a circumferential direction outside the fitting hole so that a working fluid is introduced from the shock absorber;
• a valve housing having a hollow cylindrical shape, and having an inner circumferential surface of a front end coupled to an outer circumferential surface of the integrated soft valve port;
• a main valve part disposed underneath the integrated soft valve port in the valve housing,
• wherein a plurality of support parts are formed in the outer circumferential surface of the integrated soft valve port to protrude horizontally, the support parts being disposed at predetermined intervals along the circumferential direction, wherein the support parts are provided as three support parts and disposed at the predetermined intervals of 120° along the circumferential direction.

A damping force variable shock absorber comprising a damping force variable valve assembly,

• wherein the damping force variable valve assembly comprises:
• an integrated soft valve port having one end connected to the shock absorber, a connection passage formed in the integrated soft valve to allow a working fluid to flow from the shock absorber, and a valve disk provided at a bottom surface of the integrated soft valve port to be in close contact therewith;
• a valve housing having a hollow cylindrical shape, and having an inner circumferential surface of a front end coupled to an outer circumferential surface of the integrated soft valve port;
• and
• a main valve part disposed underneath the integrated soft valve port in the valve housing,
• wherein the integrated soft valve port comprises:
• a main body formed in a disk shape of a predetermined thickness, having a fitting hole formed at a center of the main body to pass therethrough and allowing a valve mount for fixing the valve disk to be fitted therein, and the connection passage formed outside the fitting hole;
• and
• a sub body having a predetermined thickness, extending horizontally along a circumference of a lower end of the main body, and having a protrusion formed in the bottom surface of the integrated soft valve port so as to come into contact with an upper surface of the valve disk, and
• wherein a plurality of support parts are formed in the outer circumferential surface of the integrated soft valve port to protrude horizontally, the support parts being disposed at predetermined intervals along a circumferential direction, wherein the support parts are provided as three support parts and disposed at the predetermined intervals of 120° along the circumferential direction.