Headrest adjusting mechanism of child safety seat

Abstract

The invention discloses a headrest adjusting mechanism of a child safety seat. The headrest adjusting mechanism comprises a seat body and a headrest. The seat body is composed of a seat base and a seat back. A headrest pressing plate is mounted on the seat back, and a guiding sliding groove is formed between the headrest pressing plate and the seat back. The headrest is slidably mounted in the guiding sliding groove in a matched mode, and thus adjustment of the upper and lower heights of the headrest is achieved. A shoulder strap shaft is arranged on the rear portion of the headrest, the shoulder strap shaft is linked along with the headrest through a linkage block to achieve synchronous adjustment of the headrest and shoulder straps, and a linkage unlocking device is mounted in the linkage block. A locking device is arranged between the headrest and the seat back, and an adjusting main body which is used for manually pressing to force the locking device to be unlocked is mounted in the headrest. The heights of the headrest and the shoulder straps can be simultaneously adjusted, the height of the headrest can also be independently adjusted, thus the adjustment efficiency of the child safety seat is improved, the convenience of a user is also improved, the headrest adjusting mechanism is conveniently used for children of multiple age groups, the application range of the child safety seat is enlarged, and meanwhile the children are more comfortable and safer when sitting in the child safety seat.

Description

technical field [0001] The invention relates to a child safety seat for automobiles, in particular to a headrest adjustment mechanism capable of adjusting the height of the headrest of the child safety seat, in particular to a headrest adjustment mechanism for the child safety seat. Background technique [0002] Child safety seat is specially designed for children. It is installed in vehicles, especially passenger cars. It has restraint protection and can effectively improve the safety of children in cars. There are many child safety seats on the market that are suitable for children of different ages and weights. The main purpose of a child safety seat is to reduce the impact on the child and limit the child's body movement in the event of a car collision or sudden deceleration, thereby reducing injury to them. [0003] A child safety seat includes a seat body, a headrest installed above the seat body, and a seat belt and buckle installed on the seat body. The headrests o...

AI Technical Summary

Problems solved by technology

However, the height adjustment of the headrest and the height adjustment of the shoulder straps of the existing child safety seat are carried out separately, and simultaneous adjustment cannot be realized. It takes a lot of time and energy to adjust the headrest and shoulder straps separately, and if you forget to adjust the shoulder straps, it may bring discomfort to children, and in severe cases, the seat belt may not be able to provide safety protection

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