CN204998375U - Child safety chair - Google Patents

Abstract

The utility model relates to a child safety chair, including folding safe seat body (13), fixed connection strap (2) and the foaming cushion (4) on safety seat body (13), lay the smuggleing secretly of adjustable strap (2) length knot (1) on strap (2), safe seat body (13) are including main part drain pan (12) and main part epitheca (3), foaming cushion (4) is connected on main part drain pan (12) and main part epitheca (3) through draw -in groove or bonding, adopt above -mentioned structure, it is equitable to have a simple structure, and the volume is littleer, during the use one row can place a plurality of, not the time spent collapsible, preserve and does not account for the space, it is more convenient to carry, adjustable width, and installation is simple. Fix children on child safety chair to the position that is fit for children highly drawing of former car safety belt is low, realize the normal function of safety belt, play the effect of protection.

Description

Child safety seat

Technical field

The utility model belongs to automobile attendant equipment technical field, more particularly, relates to child safety seat.

Background technology

Along with growth in the living standard, automobile is more and more universal, brings great convenience to the trip of people, and safety problem receives much concern always by bus, especially children riding safety.Child safety seat is defined as can being fixed on self-propelled vehicle, and the child safety protective system be made up of safety belt assembly or flexible part, regulating mechanism, the annex etc. with buckle, effectively can improve the seat of children riding safety.When automobile collides or slow down suddenly, slow down and the injury reduced them is moved to the impulsive force of children and the health of limiting child, guarantee the safety by bus of child.There is certain drawback in design in current adult belt; it well can not protect the safety of children in car; adult belt cannot be applied to it children; if allow children fasten; there will be very large hidden danger; first, safety strap is easy to the neck that fastens, and this consequence when automobile has an accident is very serious.Adult belt is for diminutive children, and the position across health is also often on the upper side, not only cannot obtain the protected effect of design, even may cause secondary injury to the health of child, therefore just occur safety chair seats of car for children.

Existing a large amount of different types of child safety seat at present, for carrying the children of Different age group.In Europe, establish point (groups) system for child safety seat of classifying according to ECER44/03 and ECER44/04 standard.The classification of this system comprises from applicable neonatal " 0 grade " seat, through " 1 grade ", " 2 grades " until be applicable to " 3 grades " seat of 12 years old children.On other basis of these main levels, be also provided with some additional levels, such as " 0+ level ", or the rank of the expansion such as " 1-2 level ", " 2-3 level " and " 1-2-3 level ".When selecting child safety seat for certain specific children, except the age of children, other factor also will be taken into account, comprises weight and the height of children.

Child safety seat volume common is in the market generally larger, limit the free mobility of children and reduce result of use, installing/dismounting is all cumbersome, if no words are received or carry also inconvenient, be suitable for the problem such as age or height ranges wide not model infantile psychology repulsion price factor.Brand is numerous, and product design is uneven, and businessman takes a fancy to this cake one after another, design the product of various different style, but in order to pursue interests, selection is not smart in Ye You businessman, poor material can discharge pernicious gas or toxic substance, is unfavorable for that children's is healthy.

Existing safety seat in addition, specification and size are all fixing, due to the continuous increase of child weight and height, child safety seat just needs constantly to change, while sinking money, be also unfavorable for environmental protection, although also there is adjustable child safety seat on the market now, be exactly complex structure, cost is higher, can not reliably install, installation or removal can not be realized exactly quickly and easily, thus have impact on easy to use to child seat of people.

For above technical matters, therefore need to make improvements.

Utility model content

For above-mentioned situation; for overcoming the defect of prior art; the purpose of this utility model is to provide in a kind of 4-12 year the range of age; the portable and collapsible child safety seat for automobile that body weight is suitable for the children of 10-35KG; can facilitate and laborsaving child safety seat is arranged on automobile; also can be convenient for carrying; simultaneously by the constraint of former safety strap by three buckles; the height of former car safety strap is pulled down to the position of applicable children; there is higher stability and safety, play the object of child protection.

For achieving the above object, the technical scheme that the utility model adopts is: child safety seat, comprises folding safety seat body, is fixedly connected on the strap on safety seat body and the cushion that foams; Strap is laid with adjustable carrying secretly of cloth strip length to buckle; Safety seat body comprises main body drain pan and main body upper casing; Foaming cushion by draw-in groove or bonding connection on main body drain pan and main body upper casing; The left and right end portions of main body drain pan is provided with the stressed adjustable safety button that can slide along its length relative to main body drain pan, this stressed adjustable safety links and is connected to slide control device, slide control device is laid on main body drain pan, for realizing the restriction stroke of the transverse moving left and right of stressed adjustable safety button.

As a kind of preferred version of the present utility model, described stressed adjustable safety is buckled and is provided with through hole; Vehicle is had safety strap waistband by oneself and can be fixed on seat safety buckle and children be fixed on safety seat body through through hole; Strap is had seat belt shoulder straps by oneself with vehicle be connected by being carried button secretly.

As a kind of preferred version of the present utility model, described slide control device comprise be installed on main body drain pan bottom outside adjustment button, for limiting the buckle of safety belt locating part of stressed adjustable safety button transverse moving left and right, the width locating dowel pin playing fixing stressed adjustable safety button width, retracing spring and pin stretching structure part; Pin stretching structure part and adjustment button form an entirety, can drive width locating dowel pin slide downward; Retracing spring resets for coordinating width locating dowel pin and pin stretching structure part to slide.

As a kind of preferred version of the present utility model, described stressed adjustable safety button comprises vertical buckle district and slab region; Inside, vertical buckle district is provided with the reinforcing strip of carrying force intensity for loading buckle, and reinforcing strip embeds in vertical buckle district, and slab region is being provided with groove near the spacing side of buckle of safety belt; Corresponding, buckle of safety belt locating part is provided with the projection with fit depressions, and slab region is being provided with some shrinkage pools, this shrinkage pool and described width detent fit, for the stressed adjustable safety button of replacement and fixation near width locating dowel pin side.

As a kind of preferred version of the present utility model, described reinforcing strip is U-shaped shape, supporting with buckle district shape, and material is high strength aviation aluminium.

As a kind of preferred version of the present utility model, described adjustment button is installed on midway location bottom main body drain pan, makes width locating dowel pin slide downward for driving pin stretching structure part.

As a kind of preferred version of the present utility model, described foaming cushion adopts TPU foam material to make.

As a kind of preferred version of the present utility model, described pin stretching structure part and width locating dowel pin adopt stainless steel to make.

As a kind of preferred version of the present utility model, the height after this this folded body of safety seat is not more than 500mm.

As a kind of preferred version of the present utility model, the width ratio after this safety seat body launches is between 0.95 to 1.05.

The beneficial effects of the utility model: adopt said structure, have simple and reasonable, volume is less, during use, one row can place multiple, and the used time is not collapsible, and storage does not take up space, and carries more convenient; Adjustable width; Install simple; Selected non-toxic material, antibacterial, easy to clean; Be applicable to all vehicles; Additionally by by the constraint of former car safety strap by three buckles, the height of former car safety strap is pulled down to the position of applicable children, children are fixed on child safety seat, realize the normal function of safety strap, play the effect of protection; This product width can telescopic adjustment, adapts to the children of different height and body weight.Three constraint buckles of this product, respectively in shoulder and buttocks both sides, make the height reduction of former car safety strap, play the effect of child protection.Effectively avoid children's key position in accident and be subject to the injury of former car safety strap and other uncertain factor; The inertia that produces because of accident of available protecting children and going out can come to harm, play the effect of child protection.

Accompanying drawing explanation

Fig. 1 is the front view of the utility model embodiment one.

Fig. 2 is the open mode figure of the stressed adjustable safety button of the utility model embodiment one.

Fig. 3 is the using state figure of the utility model embodiment one.

Fig. 4 is the A-A cutaway view of the utility model embodiment one.

Fig. 5 is the folding rear birds-eye view of the utility model embodiment one.

Fig. 6 is the lateral plan of the utility model embodiment one.

Fig. 7 is the folding lateral side view of the utility model embodiment one.

Fig. 8 is the front view of the utility model embodiment two.

Fig. 9 is the open mode figure of the stressed adjustable safety button of the utility model embodiment two.

Figure 10 is the B-B cutaway view of the utility model embodiment two.

Figure 11 is the front view of the utility model embodiment three.

Figure 12 is the open mode figure of the stressed adjustable safety button of the utility model embodiment three.

Figure 13 is the folding rear birds-eye view of the utility model embodiment three.

Figure 14 is the C-C cutaway view of the utility model embodiment three.

Figure 15 is the front view of the utility model embodiment four.

Figure 16 is the open mode figure of the stressed adjustable safety button of the utility model embodiment four.

Figure 17 is the folding rear birds-eye view of the utility model embodiment four.

Figure 18 is the D-D cutaway view of the utility model embodiment four.

Figure 19 is the scheme of installation of the utility model embodiment one.

Reference numeral: carry button 1 secretly, cloth bag 2, main body upper casing 3, foaming cushion 4, buckle of safety belt locating part 5, projection 5-1, stressed adjustable safety button 6, through hole 6-1, vertical buckle district 6-2, slab region 6-3, groove 6-4, shrinkage pool 6-5, width locating dowel pin 7, retracing spring 8, pin stretching structure part 9, regulates button 10, reinforcing strip 11, main body drain pan 12, safety seat body 13, safety strap waistband 14, seat safety buckle 15, automotive seat 16, seat belt shoulder straps 17.

Detailed description of the invention

Below in conjunction with accompanying drawing, the utility model embodiment is elaborated.

Embodiment 1:

Child safety seat as shown in Fig. 1-7 and Figure 19, comprises safety seat body 13, the cloth bag 2 be fixedly connected on safety seat body 13; Cloth bag 2 is laid with adjustable carrying secretly of cloth bag 2 length and buckles 1; Carry button 1 secretly and connect former car seat belt shoulder straps 17, and ensure that shoulder belt 17 is in the shoulder place of object of protection, shoulder belt 17 can freely be free to slide in the elastic clip space of carrying button 1 secretly.Work when this product closure state the effect of tightening, this product is more easily received; And carry the effect that button 1 plays adjustment cloth bag 2 length secretly, cloth bag 2 adjusts the bayonet socket regular length by these parts after length, adapts to the shoulder height of different children.

Safety seat body 13 is had safety strap by oneself by vehicle and is fixed on safety seat body 13 by children; Safety seat body 13 comprises main body drain pan 12 and main body upper casing 3; Main body drain pan 12 and main body upper casing 3 top are provided with foaming cushion 4, foaming cushion 4 by draw-in groove or bonding connection on main body drain pan 12 and main body upper casing 3; Cloth cover is bonded with outside main body drain pan 12, main body upper casing and foaming cushion.Main body drain pan 12 and main body upper casing 3 is collapsible or launch, form an entirety.Foaming cushion 4 adopts TPU foam material to make; On foaming cushion 4, the cloth cover of bonding is these parts children seat part; directly contact with object of protection; the TPU foam material adopted is ventilative, waterproof, nontoxic, harmless, fungi-proofing, fire-retardant, easy to clean, without any to children's torso pernicious gas and composition, application material is entirely by test.

The left and right end portions of main body drain pan 12 is provided with the stressed adjustable safety button 6 that can slide along its length relative to main body drain pan 12, this stressed adjustable safety button 6 is connected with slide control device, by the adjustment of slide control device, realize the restriction stroke of the transverse moving left and right of stressed adjustable safety button 6.

Stressed adjustable safety button 6 is provided with through hole 6-1; Vehicle is had safety strap waistband 14 by oneself and can be fixed on seat safety buckle 15 and children be fixed on safety seat body 13 through through hole 6-1; Strap 2 is had seat belt shoulder straps 17 by oneself be connected by being carried button 1 and vehicle secretly; Slide control device comprises the adjustment button 10 being installed on main body drain pan 12 bottom outside, the width locating dowel pin 7, retracing spring 8 and the pin stretching structure part 9 that play fixing stressed adjustable safety button 6 width spacing 5 for the buckle of safety belt that limits stressed adjustable safety button 6 transverse moving left and right; Described pin stretching structure part 9 and adjustment button 10 form an entirety, thus drive width locating dowel pin 7 slide downward; Described retracing spring 8 resets for coordinating width locating dowel pin 7 and pin stretching structure part 9 to slide.

Stressed adjustable safety button 6 is adjustable width parts, is divided into large, medium and small three adjustable-widths, adapts to age and the buttocks size of different object of protection respectively.Launch action: transverse shifting regulates button 10 to drive pin stretching structure part 9 to slide, width locating dowel pin 7 is reduced to unlocked position, stressed adjustable safety button 6 be can move freely, can laterally pull outward to realize the adjustable function of third gear, after the adjustment of stressed adjustable safety button 6 position, button 10 is regulated to need to reset, unclamp and regulate button 10 to drive pin stretching structure part 9 to slide, retracing spring 8 promotes width locating dowel pin 7 and pin stretching structure part 9, width locating dowel pin 7 reaches latched position, stressed adjustable safety button 6 position is fixed, can not move, complete One step development action, closing movement: transverse shifting regulates button 10 to drive pin stretching structure part 9 to slide, width locating dowel pin 7 is reduced to unlocked position, stressed adjustable safety button 6 be can move freely, laterally can shift the end onto toward in, after being transferred to minimum position etc. stressed adjustable safety button 6, button 10 is regulated to need to reset, unclamp and regulate button 10 to drive pin stretching structure part 9 to slide, parts 8 push mechanism 7 and pin stretching structure part 9, width locating dowel pin 7 reaches and shuts position, stressed adjustable safety button 6 position is fixed, can not move, complete a closing movement.

Stressed adjustable safety button 6 comprises vertical buckle district 6-2 and slab region 6-3; The reinforcing strip 11 of carrying force intensity for loading buckle is laid with in vertical buckle district 6-2; This reinforcing strip 11 embeds in vertical buckle district 6-2; Slab region 6-3 is being provided with groove 6-4 near buckle of safety belt locating part 5 side; Corresponding, buckle of safety belt locating part 5 is provided with the projection 5-1 matched with groove 6-4; Slab region 6-3 is being provided with some shrinkage pool 6-5 near width locating dowel pin 7 side, and this shrinkage pool 6-5 coordinates with described width locating dowel pin 7, for the stressed adjustable safety button 6 of replacement and fixation; Described reinforcing strip 11 is U-shaped shape, similar to buckle district 6-2 shape, and material is high strength aviation aluminium.

Vertical buckle district 6-2 is former car safety strap 14 and passes through district, reduces and fixing belt position, to realize the effect ensureing children; Reinforcing strip 11 is embedded in vertical buckle district 6-2, strengthens buckle and carries force intensity.

And slab region 6-3 is being provided with some shrinkage pool 6-5 near width locating dowel pin 7 side; A kind of preferred version the most of the present utility model, this width locating dowel pin 7 side is provided with three shrinkage pool 6-5, in order to realize large, medium and small three adjustable pitch widths, by the position of the stressed adjustable safety button 6 of the replacement and fixation of width locating dowel pin 7; These parts and spacing 5 adjacent side of buckle of safety belt are designed with a groove 6-4, and the 5-1 of groove 6-4 stressed adjustable safety button 6 side adjacent with buckle of safety belt locating part 5 coordinates, and realizes the restriction stroke of these parts transverse moving left and right; These parts adjacent security bracelet locating part 5 and width locating dowel pin 7 structure on two sides.

Increase the bulk strength of this safety seat, pin stretching structure part 9 and width locating dowel pin 7 adopt stainless steel to make.

While convenient for collecting, and produce effect of its whole height of reduction further, and maintain the due safety of child safety seat; Height after this safety seat body 13 is folding is not more than 50mm.

It is worth mentioning that, except the side direction structural support provided except the design limited according to above-mentioned height ratio range can be utilized, in this embodiment, the design of width ratio between 0.95 to 1.05 after this safety seat body 13 launches, to produce firm structural bearing effect in bottom, thus the structural stability of strengthening further itself.

Installation process of the present utility model is as follows: this product is opened and lies on automotive seat 16, by regulating button 10 the width adjustment of stressed adjustable safety button 6 to the width being applicable to children.Children sit on this product main body upper casing 3 and main body drain pan 12, oblique for former car safety strap by children front, tip the former car safety belt buckle be positioned on car seat in and namely do the action of once fastening the safety belt normally, the safety strap being in children's knee portions of leg regions, snap in the buckle of stressed adjustable safety button 6 of the cluneal region in children left and right sides respectively; The length adjustment of strap 2 to the length being applicable to children, carry button 1 secretly and extend to its shoulder position by children back, carry button 1 secretly and be connected with the shoulder part of former car safety strap by children; Children's bundle between shoulder buckle and buttocks two buckles, be firmly bundled on child safety seat, belt height is reduced, realize the function of child protection.

Small product size is little, less than common child safety seat 10 times, folds up and puts into trouser pocket, the carriers such as knapsack, can with oneself with walking; Can receive arbitrarily in car, not take up space, after can seat back being placed on, containing box, boots etc. are Anywhere; Can preserve in no situation, amount of seats in car can not be affected, can avoid allowing when people adult sit the awkward scene of child seat more.Automobile rear only can lay two common child safety seats under normal circumstances, because this product is very small and exquisite, and therefore can like a cork under rear discharge three.Even if you do not have child, also can prepare against a Ai Chenei at you completely, wait certain day friended child to come just can use.Same for taxicar and long-distance car, also can be placed in car for subsequent use, for passenger provides more intimate service.

Assembly &Disassembly is simple: the child safety seat on market because parts and anchor fitting many, install cumbersome; This product is installed very simple, within 30 seconds, just can easily be installed on automotive seat by this product, and be almost the time of existing child safety seat binding safety strap, this product can complete once mounting.Children oneself also can install, and a religion will.

Applicable scope is large: this product width is adjustable, and almost the age whole year, children can use; Be applicable to 4-12 year the age, body weight is the children of 10-35KG, and the head of a family only need buy a set of.Buy one and just do not need to buy in addition the larger or large problem such as inapplicable of child after worrying to buy.

Safety:

Use safety: this product is tested by multiple impact, children can be fixed on the seat, safety is ensured, reach the requirement that safety strap must protect passenger completely, child safety seat function is secure.

Material safety: this product material is that the nontoxic fungi-proofing fire-retardant material easy to clean of selected air permeable waterproof is meticulously built, without any to children's torso pernicious gas and composition, application material is entirely by test.Eliminate the misgivings of the head of a family to the whether safety such as material.

Seat is suitable for vehicle: fixed by interface according to the common child safety seat of data because need and the relation of automobile brand design, may there is distinct interface and whether have the problem of interface, child safety seat be installed inconvenient; This product does not have this respect problem, and full vehicle is suitable for.

Comfort level: this product is for different size designed for children, and Limited width can regulate; Some is larger for child safety seat on market, and restriction much makes children can not be freely movable, and this product fully takes into account the active nature of children, does not almost affect freely movable after binding.Body mechanics's seat design, comfort level is promoted.

Price: the height of safety seat price is in the market low, and expensive several thousand is up to ten thousand, and general is all about 1,000, and what price was high makes the head of a family hang back, the parents' meeting that price is low worries that whether product design is reliable.This small product size is little, and the choose reading materials used than market seat use few, have absolute predominance in price.

Embodiment 2:

As seen in figs. 8-10, the present embodiment coordinates at pin stretching structure part 9 and width locating dowel pin 7, retracing spring 8, an entirety is injection molded into adjustment button 10, the each a set of pin stretching structure part 9 in left and right is as a whole with adjustment button 10, regulate the slip of button 10 to drive our department's part to slide, make width locating dowel pin 7 slide downward; Regulate button 10 to need to reset, unclamp and regulate button 10, retracing spring 8 promotes this members slides makes adjustment button 10 reset.

Other content of the present embodiment can reference example 1.

Embodiment 3:

As illustrated in figs. 11-14, by the slip of pin stretching structure part 9, unclamp the stationary state of stressed adjustable safety button 6, make stressed adjustable safety button 6 adjust width.Stressed adjustable safety button 6 completes adjustment, and pin stretching structure part 9 resets, these parts by the elastic force of retracing spring 8, these parts reset of card in the corresponding shrinkage pool of stressed adjustable safety button 6, i.e. the width of the stressed adjustable safety button 6 of lockable.In the present embodiment, by lever principle, only need slide control button 10, drive the slip of pin stretching structure part 9, under the elastic force of retracing spring 8, by pin 7 as axle center, the restriction stroke of the transverse moving left and right of stressed adjustable safety button 6 can be realized.

Other content of the present embodiment can reference example 1.

Embodiment 4:

As shown in figures 15-18, button 10 is regulated to be installed on midway location bottom main body drain pan 12, for driving pin stretching structure part 9; The end slide downward of the pin stretching structure part 9 made as axle center by pin 7 just can reach the width regulating stressed adjustable safety to buckle 6, in the present embodiment, only need arrange an adjustment button 10.

Other content of the present embodiment can reference example 1.

To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.

Although more employ Reference numeral in figure herein: carry button 1 secretly, cloth bag 2, main body upper casing 3, foaming cushion 4, buckle of safety belt locating part 5, projection 5-1, stressed adjustable safety button 6, through hole 6-1, vertical buckle district 6-2, slab region 6-3, groove 6-4, shrinkage pool 6-5, width locating dowel pin 7, retracing spring 8, pin stretching structure part 9, regulate button 10, reinforcing strip 11, main body drain pan 12, safety seat body 13, safety strap waistband 14, seat safety buckle 15, automotive seat 16, term such as seat belt shoulder straps 17 grade, but do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present utility model more easily; The restriction that they are construed to any one additional is all contrary with the utility model spirit.

Claims (10)

1. child safety seat, is characterized in that: comprise folding safety seat body (13), be fixedly connected on the strap (2) on safety seat body (13) and the cushion (4) that foams; What strap (2) is laid with adjustable strap (2) length carries button (1) secretly; Safety seat body (13) comprises main body drain pan (12) and main body upper casing (3); Foaming cushion (4) by draw-in groove or bonding connection on main body drain pan (12) and main body upper casing (3); The left and right end portions of main body drain pan (12) is provided with the stressed adjustable safety button (6) can slided along its length relative to main body drain pan (12), this stressed adjustable safety button (6) is connected with slide control device, slide control device is laid on main body drain pan (12), for realizing the restriction stroke of the transverse moving left and right of stressed adjustable safety button (6).

2. child safety seat according to claim 1, is characterized in that: described stressed adjustable safety button (6) is provided with through hole (6-1); Vehicle is had safety strap waistband (14) by oneself and can be passed through hole (6-1) and be fixed on seat safety buckle (15) and children be fixed on safety seat body (13); Strap (2) is had seat belt shoulder straps (17) by oneself be connected by being carried button (1) and vehicle secretly.

3. child safety seat according to claim 1, is characterized in that: described slide control device comprise be installed on main body drain pan (12) bottom outside adjustment button (10), for limiting the buckle of safety belt locating part (5) of stressed adjustable safety button (6) transverse moving left and right, the width locating dowel pin (7) playing fixing stressed adjustable safety button (6) width, retracing spring (8) and pin stretching structure part (9); Pin stretching structure part (9) and adjustment button (10) form an entirety, can drive width locating dowel pin (7) slide downward; Retracing spring (8) resets for coordinating width locating dowel pin (7) and pin stretching structure part (9) to slide.

4. child safety seat according to claim 3, is characterized in that: described stressed adjustable safety button (6) comprises vertical buckle district (6-2) and slab region (6-3); Vertical buckle district (6-2) inside is provided with the reinforcing strip (11) of carrying force intensity for loading buckle, and reinforcing strip (11) embeds in vertical buckle district (6-2), and slab region (6-3) is being provided with groove (6-4) near buckle of safety belt spacing (5) side; Corresponding, buckle of safety belt locating part (5) is provided with the projection (5-1) matched with groove (6-4), slab region (6-3) is being provided with some shrinkage pools (6-5) near width locating dowel pin (7) side, this shrinkage pool (6-5) coordinates with described width locating dowel pin (7), for the stressed adjustable safety button (6) of replacement and fixation.

5. child safety seat according to claim 4, is characterized in that: described reinforcing strip (11) is U-shaped shape, supporting with buckle district (6-2) shape, and material is high strength aviation aluminium.

6. child safety seat according to claim 3, is characterized in that: described adjustment button (10) is installed on main body drain pan (12) bottom midway location, makes width locating dowel pin (7) slide downward for driving pin stretching structure part (9).

7. child safety seat according to claim 1, is characterized in that: described foaming cushion (4) adopts TPU foam material to make.

8. child safety seat according to claim 6, is characterized in that: described pin stretching structure part (9) and width locating dowel pin (7) adopt stainless steel to make.

9. child safety seat according to claim 1, is characterized in that: the height after this safety seat body (13) is folding is not more than 50mm.

10. child safety seat according to claim 1, is characterized in that: the width ratio after this safety seat body (13) launches is between 0.95 to 1.05.