| 摘要 |
<p>The present invention relates to a hinge damping device for opening and closing swing opening-type doors or covers of various home appliances including home bar doors of refrigerators, and to a single hinge damping device for doors, wherein the single hinge damping device is designed to obtain sufficient damping power even with one damping device, to have excellent lifting power with low impact due to a fast and smooth opening and closing operation of a door, and to provide a simple structure and superior durability. Disclosed is a single hinge damping device for doors of home appliances, and comprises: a body which has damping oil included therein and a cam accommodation unit; a lower cam which includes a body having the center on which an aperture is vertically penetrated, a first inclined cam body and a second inclined cam body formed at the top end of the body and have inclined surfaces; a rotary shaft which includes a head unit having a hinge shaft coupling hole formed thereon, and a shaft unit having a check screw accommodation groove and a check valve accommodation groove formed therein, so that the rotary shaft is inserted and coupled in the aperture on the center of the lower cam; an upper cam which is coupled with the outer diameter of the rotary shaft, and which has the first inclined cam body and the second inclined cam body having inclined surfaces formed at the bottom end thereof; a main spring which is coupled with the lower part of the lower cam, and which is embedded in the cam accommodation unit of the body; and a check valve which is provided in the check valve accommodation groove in the rotary shaft, and which includes an upper ball and a check spring for providing elastic force from the lower part of the ball</p> |
