Passenger seat of passenger car

Abstract

The invention discloses a passenger seat of a passenger car. The passenger seat of the passenger car comprises a seat cushion framework and a backrest framework, wherein the backrest framework is hinged to the rear side of the seat cushion framework through connecting shafts, a safety belt retractor provided with a safety belt is fixed to the lower portion of one side of the seat cushion framework, a safety belt fixing ring is arranged on the upper side of the backrest framework, one end of the safety belt is fixed to the safety belt retractor, the other end of the safety belt penetrates through the safety belt fixing ring along the front side face of the backrest framework from bottom to top, and then is fixed to the seat cushion framework, the safety belt is sleeved with a safety belt spring bolt, a safety belt lock catch is arranged on the side, opposite to the safety belt retractor, of the seat cushion framework, and can be used in cooperation with the safety belt spring bolt to carry out locking, a gas spring is arranged between the front end of the backrest framework and the seat cushion framework, the barrel end of the gas spring is hinged to the portion, below the connecting shafts, of the backrest framework, the locking end of a piston rod of the gas spring is hinged to the seat cushion framework, and an unlocking wrench which can control the gas spring to lock is further arranged at the locking end of the piston rod of the gas spring. The passenger seat of the passenger car has the advantages that safety performance is high, and the enterprise production cost is low.

Description

technical field [0001] The invention relates to a car seat, in particular to a passenger car seat. Background technique [0002] The structure of the rear passenger seat of a traditional passenger car includes: a seat cushion frame fixedly installed in the car, and a backrest frame hinged to the rear side of the seat cushion frame through a connecting shaft. The angle adjuster realizes the angle adjustment and fixation of the backrest frame. The seat belt retractor with the safety belt is fixed on the left side of the seat cushion frame. The seat belt buckle that can be inserted tightly with the seat belt lock tongue. [0003] According to the requirements of the newly issued Motor Vehicle Operation Safety Technical Regulations GB7258-2012, all driver's seats, front passenger seats (except the middle position of the front passenger seats of trucks and buses with passenger standing areas), passenger cars The seat belts of the crew members located in the step area and all th...

AI Technical Summary

Problems solved by technology

Therefore, the currently used passenger car rear passenger seat that adopts the two-point waist belt type safety belt structure cannot meet the safety technical requirements of motor vehicle operation, and when the passenger car runs into an emergency brake, this two-point waist belt type safety belt structure Although the seat can bind the lower body of the person on the seat, it cannot tightly bind the upper body of the person on the seat. The upper body of the person is easily injured by collision due to inertial forward tilt, and the safety of the seat is low; and this traditional The angle adjuster used to adjust the angle of the backrest used in the rear passenger seat of the passenger car is expensive, which in turn increases the production cost of the enterprise.

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