CN101683830A - Child safety seat with detachable headrest used for vehicles in sitting and lying - Google Patents

Abstract

The invention discloses a child safety seat with a detachable headrest used for vehicles in sitting and lying, relating to a child safety seat used in an automobile, comprising a sitting and lying seat, a chair back, a three-point seat belt guide slot, a base, an angle adjusting rod and a detachable headrest. The child safety seat is suitable for children of zero to eight years to use, can be usedfor children of zero to eight years in no need to insert the detachable headrest, and can be used for children of four to eight years when a seat belt assembly carried on the safety seat is removed while the detachable headrest is mounted on the chair back, so that the requirements of safety protection and relevant rules when young children take the automobile are satisfied. The whole device of the sitting and lying seat is installed on the whole device of the base by a guide rail, and is locked tightly after the sitting and lying positions are adjusted by a pressed lock catch; children can feel more comfortable when taking the automobile in a lying manner in a long distance travelling, which is beneficial for physical and psychological health of children.

Description

A kind of child safety seat with detachable headrest used for vehicles in sitting and lying

Technical field

The present invention relates to a kind of child safety seat of use in the automobile.

Background technology

The general two big classes of dividing of child safety seat for automobiles in the market, the first kind is to be fit to children below 4 years old use, require safety seat itself to carry or five-point type safety strap at 3, safety seat is fixed on the car seat by body-restraining seat belt on the car seat or special-purpose safety seat erecting device; Second class is to be fit to children's use more than 4 years old; children's bone is grown stable substantially and certain height is arranged at this moment; head may exceed the chair back height of first kind safety seat, and actv. head protection can't be provided, so can not use the safety seat of the first kind.If but children's seat not safe in utilization and directly use safety strap on the car seat; under the situation that automobile bumps; can children's neck and belly be damaged, so the safety seat that this age bracket children use need use higher seat back that the safety seat of extra head protection can be provided.This type of safety seat does not need to carry safety strap, directly with the body-restraining seat belt on the car seat children and safety seat is fixed on the purpose that just can reach the protection children on the car seat.Consider the problem of the tenure of use of product, another purpose of the present invention imagination is by increasing a removable headrest, and extend to 8 years old the tenure of use of the safety seat that children below 4 years old are used, and improved its practicality greatly.Concrete using method is: when children 4 one full year of life with interior and body weight during less than 18 kilograms, detachable headrest need not use, 5 seat belt apparatus that the child seat chair carries are fixed in the safety seat.When children surpass 4 one full year of life or body weight above 18 kilograms; the seat belt apparatus that safety seat can be carried is removed; simultaneously detachable headrest is installed in the top of safety seat; the height of the back of safety seat has just increased and extra head protection function is provided like this; children are sitting on the safety seat guide groove that passes the detachable headrest both sides with the body-restraining seat belt on the car seat children and safety seat are fixed on the car seat, just can effectively protect 4 to 8 years old children's neck and belly to escape injury in traffic accident.

Summary of the invention

In order to overcome the deficiencies in the prior art part, the object of the invention is to provide a kind of child safety seat with detachable headrest used for vehicles in sitting and lying.

Technical scheme: a kind of child safety seat with detachable headrest used for vehicles in sitting and lying, comprise and sit crouch seat, the chair back, body-restraining seat belt guide groove, base, angular adjustment bar and detachable headrest, the chair back is installed on the base by the angular adjustment bar, described headrest is one detachable, as to be movably installed in chair back napex headrest, the both sides of headrest curve inwardly, belt guidance is arranged at the bottom of both sides, and the mounting connection structure with chair back napex is arranged at the bottom of headrest.Described connection structure comprises the guide pillar and the middle guiding projection of locating the tongue front end to the elasticity location tongue and the elasticity of both sides protrusion in the bottom of resting the head on of the both sides, bottom of resting the head on, and chair back top is provided with the interior both sides of guide pillar hole, locating channel and locating channel and is provided with the buckle breach.The guiding projection of guide pillar, the elasticity location tongue of headrest and elasticity location tongue front end by chair back top the guide pillar hole and locating channel inserts and make the elasticity location tongue of headrest spring into the buckle breach that both sides are provided with in the locating channel at chair back top has just installed, the elasticity location tongue of inwardly pinning headrest during taking-up makes the buckle breach of both sides in its locating channel that breaks away from the chair back and upwards lifts and get final product, and described connection structure is sat the seat single unit system that crouches and is positioned on the base single unit system to be regulated by pressure-lift snap close by guide rail and sits clinostatism postpone and make it to lock.

Technique effect: have reasonable in design, practical, the outward appearance novelty.The children that this child safety seat is fit to 0 to 8 years old age bracket use, when not needing to insert detachable headrest at 0 to 4 years old age bracket, children can not use, when surpassing 4 years old the safety belt assembly that carries on the safety seat removed detachable headrest to be installed on the chair back simultaneously and just can use about 8 years old always, satisfy young child safety precaution while taking a bus and relevant laws and regulations requirement.Also have a positive effect, the movable dismounting of headrest parts, install flexibly, the little about one meter following height children of children of age can not need with headrest is installed, the height that leans against just can satisfy the needs when taking advantage of.The headrest parts can be mounted on when childhood, age and growth in stature took advantage of seat to need at the very moment and lean against the top, simple and convenient during installation, seat seat for sleeping in single unit system is positioned on the base single unit system by guide rail and is made it to lock by the postpone of pressure-lift snap close adjusting seat clinostatism, it is more comfortable by bus to crouch when long-distance running, helps children's physical and mental health.

Description of drawings

Accompanying drawing 1 is a surface structure scheme drawing of the present invention;

The invention will be further described below in conjunction with accompanying drawing and a specific embodiment:

The specific embodiment

Has a kind of child safety seat with detachable headrest used for vehicles in sitting and lying with reference to shown in the drawings, comprise the chair back 1, base 2, angular adjustment bar 3, the chair back 1 is installed on the base 2 by angular adjustment bar 3, and seat seat for sleeping in single unit system 5 is positioned on the base single unit system by guide rail 6 and is made it to lock by pressure-lift snap close 7 adjusting seat clinostatism postpones.The guiding projection of headrest 4 elasticity location tongue, tongue front end and guide pillar guide pillar hole, the locating channel by chair back napex inserts and is installed in chair back top, and the elasticity location tongue of headrest springs into the buckle breach that both sides are provided with in the locating channel at chair back top and just installs when the spacing bottom, guide pillar hole at chair back top of the guide pillar of headrest; The elasticity location tongue of inwardly pinning headrest during taking-up makes the buckle breach that both sides are provided with in its locating channel that breaks away from the chair back and upwards lifts and gets final product.The belt guidance that the headrest both sides have symmetry, children are sitting on the safety seat guide groove that passes the detachable headrest both sides with the body-restraining seat belt on the car seat children and safety seat are fixed on the car seat.

Embodiment provided by the invention is a kind of child's safety seat for vehicle skeleton structure, is applied to product according to its skeleton structure and adds man-hour, can choose the chair cover that the different sponge bed course of thickness and cloth make according to user's demand and make.

Claims (2)

1. child safety seat with detachable headrest used for vehicles in sitting and lying, comprise and sit the seat that crouches, the chair back, the body-restraining seat belt guide groove, base, angular adjustment bar and detachable headrest, the chair back is installed on the base by the angular adjustment bar, described headrest is one detachable, be movably installed in the headrest of chair back napex, the both sides of headrest curve inwardly, belt guidance is arranged at the bottom of both sides, mounting connection structure with chair back napex is arranged at the bottom of headrest, the guide pillar and the headrest bottom that comprise the both sides, bottom of resting the head on are middle to the elasticity location tongue of both sides protrusion and the guiding projection of elasticity location tongue front end, chair back top is provided with the guide pillar hole, both sides are provided with the buckle breach in locating channel and the locating channel, the guide pillar of headrest, the guiding projection of elasticity location tongue and elasticity location tongue front end by chair back top the guide pillar hole and locating channel inserts and make the elasticity location tongue of headrest spring into the buckle breach that both sides are provided with in the locating channel at chair back top has just installed, the elasticity location tongue of inwardly pinning headrest during taking-up makes the buckle breach of both sides in its locating channel that breaks away from the chair back and upwards lifts and gets final product.

2. according to claims 1 described a kind of child safety seat with detachable headrest used for vehicles in sitting and lying, it is characterized in that described connection structure sits the seat single unit system that crouches and be positioned on the base single unit system to be regulated by pressure-lift snap close by guide rail and sit clinostatism postpone and make it locking.