Three-point type safety belt and vehicle with same

Abstract

A three-point type safety belt comprises a belt body, a winding device, a shoulder strap guide ring and a spring bolt. The winding device and the shoulder strap guide ring are fixed to a vehicle body. The winding device is located below the shoulder strap guide ring. The spring bolt is arranged on the belt body. The belt body is divided by the spring bolt into a shoulder strap used for constraining the chest of a passenger and a waistband used for constraining the waist of the passenger. The shoulder strap penetrates the strap guide ring. The free end, away from the spring bolt, of the shoulder strap and the free end, away from the spring bolt, of the waistband are both wound in the winding device. The shoulder strap and the waistband are synchronously wound in or unwound out of the winding device. The free end of the shoulder strap and the free end of the waistband are both wound to the same winding device, and therefore the comfort of the three-point type safety belt is improved, the safety performance is improved, and cost is reduced.

Description

technical field [0001] The invention relates to the technical field of vehicles, in particular to a three-point safety belt and a vehicle with the same. Background technique [0002] With the development of vehicle technology, people have higher and higher requirements for the safety performance and comfort performance of vehicles. How to improve the safety performance and comfort performance of vehicles has become one of the goals pursued by major vehicle manufacturers. [0003] Three-point safety belts are common safety devices in vehicles. In the prior art, the safety belts on vehicles are basically three-point safety belts (the rear rows sometimes use simpler two-point safety belts). The belt includes a retractor, a belt body, a shoulder belt guide ring, a lock tongue and a lock buckle. After the lock tongue is inserted into the lock buckle, the belt body can be roughly divided into the shoulder belt that restrains the occupant's chest and the waist belt that restrains ...

AI Technical Summary

Problems solved by technology

When the vehicle is collided, the pretension degree of the retractor to the belt body is small, and the pretension speed is slow, which has a great impact on the safety performance of the vehicle

[0006] In addition, the anchor point of the existing safety belt (that is, the fixed point between the end of the belt away from the lock tongue and the vehicle body) is fixed on the door sill, which additionally increases the cost of design, manufacture and assembly

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