Seat angle adjusting device and seat with same

Abstract

A seat angle adjustment device includes a ratchet wheel, a stop plate, a locking slipper and a pawl, wherein a first stop position limiting part and a second stop position limiting part are arranged on the stop plate, when the first stop position limiting part is subjected to a rotating torque in a rotational direction, the locking slipper in a locking position circumferentially abuts against the first stop position limiting part; when the rotating torque is higher than a first preset torque value, the pawl in an extended state is driven by the ratchet wheel to rotate until the tooth part on one side of the pawl is completely engaged with the ratchet wheel; and when the rotating torque is higher than a second preset torque value, the second stop position limiting part abuts against the pawl. A seat having the seat angle adjustment device is also provided.

Description

technical field [0001] The invention relates to a seat with an adjustable back angle, in particular to a seat angle adjustment device and a seat with the angle adjustment device. Background technique [0002] The seat recliner is used to connect the seat and back of the car seat to enhance the comfort of the seat. Passengers can adjust the angle of the seat back to the best position through the seat recliner to obtain the most comfortable and most accustomed riding angle. For the driver, the best view can be obtained by adjusting the angle of the seat back, and it is easy to operate the steering wheel, pedals and gear lever and other controls. [0003] With the development of the automobile industry and the increasing customer demand, higher requirements are put forward for the high strength and high energy absorption of car seats. As one of the core components of the car seat, the seat reclining device also needs to improve its strength and energy absorption to meet the n...

AI Technical Summary

Problems solved by technology

However, since the pawl 25 is deformed by the projection 14 of the stop plate (stop plate) 5 and pushed to engage with the ratchet when the second level of strength is activated, the manufacturing accuracy of each part will affect the separation The reliable engagement between the pawl and the ratchet wheel affects the energy absorption performance of the car when it is impacted, which in turn affects the safety and reliability of use

At the same time, due to the inevitable performance differences of different batches of materials, the deformation degree and deformation trend of materials with different mechanical properties are different. Therefore, this scheme also has high requirements for the mechanical properties of materials.

Images