Pumping device for vehicle seat

Abstract

The invention discloses a pumping device of a vehicle seat. The pumping device includes: a housing made of plastic, the housing including a bottom surface having a through hole, a side wall disposed along an outer peripheral surface of the bottom surface, and an open upper surface; a clutch device and a brake device; an adjustment lever connected to the housing at an outer side of the bottom surface through the through hole such that the housing is configured to transmit a driving force from the adjustment lever to the clutch device; and a housing cover made of metal, the housing cover including a first side surface covering an open upper surface of the housing, a plurality of bent portions located at an edge of the housing cover such that the bent portions are bent toward the housing, and a second side surface located at an edge of the housing cover such that the bent portions are bent toward the housing. And a second side coupled to the seat frame to effect a coupling between the housing cover and the housing.

Description

technical field [0001] The present invention generally relates to a pumping device for a vehicle seat, wherein the housing is made of a plastic material, the housing cover is made of a metal material, and the housing and the housing cover are coupled to each other by a bending and fitting method. Background technique [0002] A traditional pumping device is a device that is attached to a vehicle seat so that the occupant can adjust the height of the seat cushion to suit his / her body. When the occupant controls the adjustment lever arranged on the side of the seat cushion clockwise or counterclockwise, the operating force of the adjustment lever is transmitted to the link device through the pumping device to raise or lower the seat cushion corresponding to the operating direction of the adjustment lever, so that the seat cushion can be Adjust the height of the seat cushion. [0003] However, since almost all elements of conventional pumping devices are designed based on meta...

AI Technical Summary

Problems solved by technology

[0003] However, since almost all elements of conventional pumping devices are designed based on metal, there are many restrictions on the shape, thereby affecting the method, mass production, etc.

In order to compensate for the shape limitation, additional components or additional post-processing are required, resulting in an increase in product cost

Therefore, in the current situation where popular designs are oriented to achieve cost competitiveness and create an environment where it is difficult to adopt new ideas, a new pumping device needs to be developed to compensate for these problems

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