What role does the seat recliner play in the driver's seats?

The seat recliner is a device for realizing the back and folding movement of the backrest of the car seat, and is used in pairs on the seat, and can be unilaterally locked or bilaterally locked. The core technology of the recliner lies in the design and manufacture of the parameters of the tooth profile, and there is no program that can be directly emulated in the tooth design. Internal and external teeth are the most important parts of the angle adjuster. They have higher profile, tooth surface quality (tooth surface roughness, tooth surface wear resistance, tooth surface fatigue strength) and root strength. Claim. The core of the toothed design is the smooth meshing of the tooth flanks and the high number of contact tooth pairs at any position. The ultimate goal is to improve the transmission efficiency and the maximum tooth form strength. In order to achieve this, precision stamping techniques are often used.

The seat recliner can be divided into manual adjustment and automatic adjustment. Manual adjustment is determined by the fixed and movable sprocket of the recliner; the automatic adjustment must be used in conjunction with the motor to achieve automatic adjustment of the seat back. The seat recliner is one of the 20 core technologies in the car and has a very high technical content. Globally, the three companies of Faurecia, Brose and Zibo are among the first in the industry. The domestic production enterprises mainly include the recliners used in the production and processing of mid-range car seats by Hubei Zhonghang Precision Machinery Technology Co., Ltd. and Shanghai Transportation Co., Ltd., but their core technologies are still mastered by foreign companies. Among them, Hubei Zhonghang Precision Machinery Technology Co., Ltd. uses the patented technology of Zibo Company, and Shanghai Transportation Co., Ltd. uses the patented technology of French BF Company. As a domestic independent enterprise, Ningbo Shuanglin Auto Parts Co., Ltd. has mastered the key design technology of the recliner, and has the experience of developing and producing large-scale precision progressive die and transfer die, and has the strength to develop and produce the protractor. Precision stamping die lays a solid foundation for the independent development and industrial production of the angle adjuster technology.