PUMPING DEVICE FOR VEHICLE SEAT

摘要

The present disclosure provides a pumping device of a vehicle seat and its operation mechanism. The pumping device includes: a housing encasing a pumping mechanism; a spring guide which has a ring shape formed with a cavity and is seated on a top surface of the housing, a coil spring being inserted in the spring guide; and a lever bracket which has a protruding portion formed on a central portion, an operating lever being coupled to a flange, and a locking protrusion protruding from the flange and locked to the coil spring through the guide slit of the spring guide. In particular, the protruding portion is connected to a cam of the pumping mechanism in a state of being inserted into the cavity of the spring guide

主权项

1. A pumping device of a vehicle seat comprising:
a housing configured to encase a pumping mechanism; a spring guide which has a ring shape formed with a cavity and is seated on a top surface of the housing, an annular space portion being formed inside, a coil spring configured to insert in the annular space portion, a guide slit formed through a top surface of the spring guide along a circular arc direction of the spring guide; and a lever bracket which has a protruding portion formed on a central portion of the lever bracket, a flange formed along an edge of the protruding portion, an operating lever being coupled to the flange, a locking protrusion protruding from the flange and configured to be locked to the coil spring through the guide slit of the spring guide, wherein the protruding portion is connected to a cam of the pumping mechanism in a state of being inserted into the cavity of the spring guide.