Stepless adjustment angle adjuster

Abstract

The invention discloses a stepless adjustment angle adjuster and belongs to accessories for automobile seats. The stepless adjustment angle adjuster comprises a swing tooth plate, a fixed tooth plate, an eccentric block, gap eliminating blocks, a retaining ring, a snap spring, a shaft sleeve, a closed ring and a conical elastic piece, wherein a first shaft hole is formed in the middle part of the swing tooth plate; a first recessed cavity is formed in one side of the swing tooth plate; a geared ring and an eccentric block seat are arranged on the first recessed cavity; the other side of the swing tooth plate is provided with a connecting boss; a second shaft hole is formed in the middle part of the fixed tooth plate; an inner geared ring is arranged on one side of the fixed tooth plate; an eccentric hole is formed in the axial direction of the eccentric block; a first retaining salient, a retaining ear and eccentric rings are arranged on the outer circumference of the eccentric block; each gap eliminating block is in a kidney shape; a second retaining side is arranged at one end of each gap eliminating block; a snap spring groove is formed in the other end of each gap eliminating block; a gap eliminating surface is arranged on the inner side of each gap eliminating block; a retaining ring hole is formed in the middle part of the retaining ring; second retaining salients are arranged on an excircle of the retaining ring; the snap spring is provided with snap spring feet; a third shaft hole is formed in the middle part of the shaft sleeve; the outer ring of the shaft sleeve is provided with a first shaft shoulder, a second shaft shoulder and a cover plate sequentially; the closed ring encapsulates the swing tooth plate and the fixed tooth plate; and the conical elastic piece sleeves the shaft sleeve and is used for axially positioning. The stepless adjustment angle adjuster has a simple structure, is small in size and interval, low in cost, reliable in locking and high in strength and does not have a displacement angle.

Description

technical field [0001] The invention belongs to the technical field of automobile seat accessories, in particular to a continuous stepless adjustment device installed between the seat back and the seat cushion, which can properly adjust the angle between the seat back and the seat cushion recliner. Background technique [0002] The function of the car seat recliner is as mentioned above. It is responsible for changing the forward and backward angle of the seat back. As such a device, it must be equipped on the car seat. At present, the recliner commonly used on the market for motor vehicle seats is a discontinuous recliner, which mainly includes a fixed disc, a movable disc and a locking mechanism, and the ratchet is engaged with the rack ring. And separation to realize the locking and adjustment of the recliner. This can be obtained in detail by the technical scheme of CN101875321B applied by the applicant for the Chinese invention patent authorization announcement number...

AI Technical Summary

Problems solved by technology

However, the following problems have been exposed in the actual use process: 1. The machining accuracy of parts is required to be high; 2. The gap is not small enough; 3. The volume is large and the manufacturing cost is high

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