Round gapless angular modulation device for vehicle

Abstract

A round recliner for a vehicle having three lock gears evenly spaced apart from each other. Each of the lock gears are interposed between a cam and a corresponding lock gear supporting member in such a manner that the lock gears are engaged with a circular inner gear part of a sector gear, wherein the lock gears are turned along the lock gear supporting members so that an outer gear part of each of the lock gears is disengaged from the inner gear part of the sector gear or the outer gear part of each of the lock gears is engaged with the inner gear part of the sector gear, thereby minimizing occurrence of clearances in the recliner and preventing any irregular engagement of the recliner.

Description

technical field [0001] The invention relates to a round type recliner for vehicles which is formed inside a car seat and can adjust the seat back angle. Background technique [0002] Generally speaking, automobile all has seat, can ride comfortably to guarantee driver or passenger. Inside the seat, leverage is used to move the seat fixing base back and forth, pulling or pushing the seat back and forth, adjusting the pitch of the seat and facilitating the ride. In addition, there is a non-gap recliner under one side of the seat fixing base, which can make the backrest rotate left and right. Through the device, the angle of the seat can be adjusted according to the body shape or physique of the driver or passenger, so as to be used flexibly . [0003] Since this type of backlash-free recliner is mostly installed on the side where the action lever is located, there is the following problem, that is, in the event of a collision, the seat rushes forward, the backlash-free recli...

AI Technical Summary

Problems solved by technology

[0005] The problem of the gapless recliner is that the structure is too complex, it is difficult to assemble, and the production cost is increased

[0007] The upper action member and the lower support member are fixed by the locking device, so it is very firm. Even if an impact force is generated during a frontal or rear collision, the locking device guide groove of the upper operating member and the lock of the lower support member lock on both sides of the locking device. The movement in the operating groove of the locking device reduces the left and right swinging phenomenon compared with the previous device, and can further prevent the locking device from being damaged. However, the locking device 50 and the working cam 60 use the fixed shaft 70 to move in the lower support member 40 Therefore, there is a gap in the locking device and the working cam, which causes noise and vibration

[0008] In addition, the inner gear 45 of the lower supporting member 40 and the inner gear 34 of the upper operating member 30 mesh halfway with the outer gear 52 respectively, so that not only the assembly work becomes more difficult, but also improper meshing occurs, causing noise. and vibration

[0009] Moreover, when the load is placed on the front or rear, the locking device twists and shakes due to the gap between the seats, causing uneven force on all the teeth of the locking device, weakening the strength, and reducing the ability to withstand external collision loads. result

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