CN218750430U - Automobile safety seat for children - Google Patents

Abstract

The utility model discloses a children's car safety seat, the vehicle seat comprises a seat body, have the tensioning and loosen the seat belt subassembly and the air bag package of state, the seat belt subassembly is including baldric and the central hasp of establishing in the left and right sides, the lower part of central hasp is direct or indirect connection on the seat body, a tip of the baldric of both sides all is connected with this body coupling of seat, another tip of the baldric of both sides all detachably connects on central hasp, the air bag package includes that air bag and high-pressure gas cylinder hold the body, the rear portion at the central hasp is established to the lower part of the high-pressure gas cylinder hold the body, the left and right sides on the upper portion of the high-pressure gas cylinder hold the body is equipped with respectively and corresponds the baldric matched with portion of one side, the seat belt subassembly is when the tensioning state, the baldric of both sides is pressed respectively and is established in the matching portion that corresponds. This children's car safety seat passes through the safety belt subassembly and holds the body spacing to the high-pressure gas cylinder, can make air bag package be close to children's health to can form good support and protection to children's head.

Description

Automobile safety seat for children

Technical Field

The utility model relates to a children's articles for use technical field, concretely relates to children's car safety seat.

Background

In order to improve the safety performance of a child when riding in a car, a child car safety seat is generally mounted on a car seat for the child to use when riding in the car. Some child car safety seats are provided with airbag devices. When the automobile normally runs, the safety airbag device is in a contraction state and is accommodated in the seat body. When the automobile is collided, the safety airbag device is inflated and rushes out of the seat body and blocks the front part of the body of the child, so that the body of the child is prevented from colliding with the front seat. However, when the vehicle is in collision, the airbag device moves forward due to inertia, so that a large distance is reserved between the body of the child and the airbag device, and the airbag device cannot support and protect the child well.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a children's car safety seat, this children's car safety seat have the air bag package, hold the cooperation of the body through the air bag subassembly and high-pressure gas cylinder and be connected, can make and keep appropriate distance between air bag package and the children's health to form good support and protection to children's head after air bag aerifys.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

the child car safety seat comprises a seat body and a safety belt assembly arranged on the seat body, wherein the safety belt assembly has a tensioning state and a loosening state, the safety belt assembly comprises shoulder belts and a central buckle which are arranged on the left side and the right side respectively, the lower portion of the central buckle is directly or indirectly connected onto the seat body, one end portions of the shoulder belts on the two sides are connected with the seat body, the other end portions of the shoulder belts on the two sides are detachably connected onto the central buckle, the child car safety seat further comprises a safety airbag bag, the safety airbag bag comprises a safety airbag, a high-pressure gas cylinder storing high-pressure gas for supplying gas to the safety airbag and a high-pressure gas cylinder accommodating body for accommodating the high-pressure gas cylinder, the lower portion of the high-pressure gas cylinder accommodating body is arranged at the rear portion of the central buckle, the left side and the right side of the upper portion of the high-pressure gas cylinder accommodating body are respectively provided with matching portions corresponding to the shoulder belts on one side, and when the safety belt assembly is in the tensioning state, the two sides are respectively pressed into the matching portions corresponding to one side.

Preferably, the matching portion is a guide groove recessed inward from the front surface of the high-pressure gas cylinder accommodating body, the guide groove extends obliquely in the vertical direction, and two end portions in the length direction of the guide groove penetrate through corresponding end portions of the high-pressure gas cylinder accommodating body respectively.

Preferably, the airbag package further comprises an airbag sheath having an airbag housing chamber, the high-pressure gas cylinder housing is disposed in the airbag sheath, the high-pressure gas cylinder has a gas outlet, the gas outlet of the high-pressure gas cylinder has a closed state and an open state, when the gas outlet of the high-pressure gas cylinder is in the closed state, the high-pressure gas is enclosed in the high-pressure gas cylinder, and when the gas outlet of the high-pressure gas cylinder is in the open state, the high-pressure gas is ejected from the gas outlet of the high-pressure gas cylinder; the safety airbag is provided with a bag cavity and an air inlet which are communicated with each other, the air inlet of the safety airbag is communicated with the air outlet of the high-pressure air cylinder, the air inlet of the safety airbag is fixedly connected with the high-pressure air cylinder accommodating body and/or the air outlet of the high-pressure air cylinder, the safety airbag is provided with a folding state and an inflating state, when the safety airbag is in the folding state, the safety airbag is at least partially folded and arranged in the bag cavity, the air outlet of the high-pressure air cylinder is in a closing state, when the safety airbag is in the inflating state, the air outlet of the high-pressure air cylinder is in an opening state, and the high-pressure gas enters the bag cavity from the air outlet of the high-pressure air cylinder through the air inlet of the safety airbag, so that the safety airbag at least partially breaks the bag cover and enters the outer side of the safety airbag.

Further, when the safety air bag is in an inflation state, the section of the safety air bag is in a reverse C shape, one end part of the reverse C shape of the safety air bag is an air inlet of the safety air bag, and the other end part of the reverse C shape of the safety air bag is fixedly connected to the high-pressure air bottle accommodating body.

Further, the airbag package still includes first frenulum, one end of first frenulum with another tip of air bag is connected, another tip fixed connection of first frenulum is in on the high-pressure gas cylinder holds the body.

Further, the airbag package further comprises at least one second tie strap, one end of the second tie strap is fixedly connected to the middle of the airbag, and the other end of the second tie strap is fixedly connected to the high-pressure gas cylinder accommodating body; the second tether is positioned within the airbag envelope when the airbag is in a folded condition, and the second tether is in a tensioned state and at least partially positioned outside the airbag envelope when the airbag is in an inflated condition.

Still further, the second fastening belts are provided in two, and the two second fastening belts are crossed or arranged in parallel.

Further, the bag chamber includes first bag chamber and second bag chamber, an end of first bag chamber forms air inlet of air bag, an end of second bag chamber is fixed in on the high pressure gas cylinder holds the body, another tip of first bag chamber with another tip of second bag chamber passes through the air current passageway intercommunication.

Preferably, the harness assembly further comprises a crotch strap, one end of the crotch strap being connected to the seat body, the other end of the crotch strap being connected to the center buckle, the lower end of the high-pressure gas cylinder accommodating body being connected to the crotch strap.

Preferably, the lower part of the central buckle is rotatably connected with the seat body through a rotating shaft, and the rotating shaft extends in the left-right direction.

Because of the application of above-mentioned technical scheme, compared with the prior art, the utility model has the following advantage:

the utility model discloses a set up the air bag package on children's car safety seat, the lower part setting that the high-pressure gas cylinder of air bag package held the body is on central hasp, when the safety band subassembly is in the tensioning state, the baldric of the left and right sides is pressed respectively and is established in the cooperation portion that the high-pressure gas cylinder held the body that corresponds one side, thereby form three-point spacing structure to the high-pressure gas cylinder holding body, can prevent that the high-pressure gas cylinder holds the body forward motion when the car bumps, make the air bag aerify the back and the distance between children far away. The high-pressure gas cylinder containing body of the airbag package can keep a proper distance between the inflated airbag and the body of the child, so that the head of the child can be well supported and protected.

Drawings

FIG. 1 is a schematic front view of a child car seat according to the embodiment 1, with an airbag in a folded state;

FIG. 2 isbase:Sub>A schematic cross-sectional view of A-A of FIG. 1;

FIG. 3 is a schematic top view of the child car seat of this embodiment 1 with the airbag in a folded state;

FIG. 4 is a schematic front view of the child car seat according to the embodiment 1 when the airbag is inflated (two second straps are crossed);

FIG. 5 is a second schematic front view (two second straps are arranged in parallel) of the child car seat according to the embodiment 1 when the airbag is in an inflated state;

FIG. 6 is a schematic cross-sectional view of B-B of FIG. 4;

FIG. 7 is a schematic cross-sectional view of the child car seat of this embodiment 1 with the seat body and shoulder belt removed when the airbag is in a folded state;

FIG. 8 is a schematic cross-sectional view of the child car seat of this embodiment 1 with the seat body and shoulder belt removed when the airbag is switched from the folded state to the inflated state;

FIG. 9 is a schematic cross-sectional view of the child car seat of this embodiment 1 with the seat body and shoulder belt removed when the airbag is inflated;

fig. 10 is a front view schematically showing the child car safety seat of this embodiment 1 with the seat body and the shoulder belt removed when the airbag is in the inflated state.

Wherein: 1. a seat body; 2. an airbag package; 21. a safety airbag cover; 210. an airbag housing chamber; 22. a high-pressure gas cylinder accommodating body; 220. a fitting portion; 23. a high pressure gas cylinder; 230. an air outlet; 24. an air bag; 240. a capsule cavity; 2401. a first bladder cavity; 2402. a second capsule cavity; 2403. an air flow channel; 241. an air inlet; 25. a first strap; 26. a second strap; 4. a harness assembly; 31. shoulder straps; 32. a crotch strap; 33. a central hasp.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, the directions "front", "rear", "left", "right", "up", "down", etc. referred to are defined with reference to the direction in which the seat body moves forward toward the vehicle, that is, as shown in fig. 2, the right direction in the drawing is "front", the left direction in the drawing is "back", the upper direction in the drawing is "up", the lower direction in the drawing is "down", and the directions perpendicular to the view angle in the drawing are "left" and "right", and the definition of the above directions is merely for convenience of description of the present invention and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, cannot be understood as a limitation of the present invention.

Example 1

As shown in fig. 1 to 6, the child car seat of the present invention includes a seat body 1, an airbag package 2, and a seat belt assembly 3. The seat body 1 is mounted on a car seat and a child sits thereon. The airbag package 2 is arranged on the seat body 1, and the airbag package 2 can form safety protection for the body of a child when the automobile collides. A seatbelt assembly 3 is also provided on the seat body 1, and the seatbelt assembly 3 can restrain a child seated on the seat body 1 to safely protect it.

As shown in fig. 1, the harness assembly 3 in this embodiment includes shoulder straps 31, a crotch strap 32 and a center buckle 33. The shoulder belts 31 are respectively provided on the left and right sides, and the upper end portion of each shoulder belt 31 is fixedly connected to the upper portion of the corresponding side of the seat body 1. The lower end of the crotch strap 32 is connected to the seat body 1, and the lower end of the crotch strap 32 is located at the crotch position of the child. The center buckle 33 is attached to the upper end of the crotch strap 32, and the lower ends of the shoulder straps 31 on both sides are detachably attached to the center buckle 33.

The seat belt assembly 3 has a tensioned state and a relaxed state. When a child sits on the seat body 1, the shoulder belts 31 on both sides and the crotch belt 32 are connected to each other through the central buckles 33, and the seatbelt assembly 3 is placed in a tensioned state, thereby effectively restraining the child to protect the child.

The airbag package 2 is provided on a seatbelt assembly 3, specifically: as shown in fig. 7 to 10, the airbag package 2 is disposed at the rear of the center buckle 33 and the lower portion of the airbag package 2 is attached to the crotch strap 32, and the disposition of the airbag package 2 on the seatbelt assembly 3 improves the convenience of installation and use thereof.

As shown in fig. 7 to 9, the airbag package 2 includes an airbag cover 21, a high-pressure gas cylinder accommodating body 22, a high-pressure gas cylinder 23, and an airbag 24, the airbag cover 21 has an airbag accommodating chamber 210 therein, the high-pressure gas cylinder accommodating body 22 is disposed in the airbag accommodating chamber 210, the high-pressure gas cylinder 23 is accommodated in the high-pressure gas cylinder accommodating body 22, the airbag 24 is communicated with the high-pressure gas cylinder 23, and at least a part of the airbag 24 is located in the airbag accommodating chamber 210.

Specifically, as shown in fig. 7 to 9, the lower portion of the high-pressure-cylinder accommodating body 22 is disposed at the rear of the center buckle 33, and the lower end portion of the high-pressure-cylinder accommodating body 22 is detachably attached to the crotch strap 32. In this embodiment: the lower end of the high-pressure gas cylinder accommodating body 22 is connected with the crotch strap 32 through threads, so that the structure is simple and the installation is convenient.

The high-pressure gas cylinder 23 stores high-pressure gas therein. As shown in fig. 7, the high pressure gas cylinder 23 has an openable and closable gas outlet 230, and the gas outlet 230 is located at the top of the high pressure gas cylinder 23, and the gas outlet 230 of the high pressure gas cylinder 23 has a closed state and an open state. When the gas outlet 230 of the high-pressure gas cylinder 23 is in the closed state, the high-pressure gas is sealed inside the high-pressure gas cylinder 23. When the gas outlet 230 of the high-pressure gas cylinder 23 is in the open state, high-pressure gas can be ejected from the gas outlet 230 of the high-pressure gas cylinder 23.

The airbag 24 is a main component of the airbag package 2 that plays a role of protection, the airbag 24 has a cavity 240 therein, the airbag 24 has an air inlet 241 formed therein, and the cavity 240 and the air inlet 241 are in communication with each other. The gas inlet 241 of the airbag 24 communicates with the gas outlet 230 of the high-pressure gas cylinder 23, and the gas inlet 241 of the airbag 24 is fixedly connected to the high-pressure gas cylinder accommodating body 22 and/or the gas outlet 230 of the high-pressure gas cylinder 23.

Specifically, as shown in fig. 8 and 9, the bag cavity 240 includes a first bag cavity 2401 and a second bag cavity 2402, one end of the first bag cavity 2401 has an opening, i.e., one end of the first bag cavity 2401 forms an air inlet of the airbag 24, one end of the second bag cavity 2402 is fixed to the high-pressure gas cylinder accommodating body 22, and the other end of the first bag cavity 2401 and the other end of the second bag cavity 2402 are communicated through a narrow air flow passage 2403. In this embodiment: the air inlet 241 of the airbag 24 is fixedly connected to the high-pressure gas cylinder accommodating body 22, that is, the opening at one end of the first bag chamber 2401 is fixedly connected to the high-pressure gas cylinder accommodating body 22, and the opening at one end of the first bag chamber 2401 covers the air outlet 230 of the high-pressure gas cylinder 23 inside, so that the air inlet 241 of the airbag 24 and the air outlet 230 of the high-pressure gas cylinder 23 are communicated with each other.

The airbag 24 has a folded state and an inflated state, and when the airbag 24 is in the folded state, the airbag 24 is at least partially folded and placed inside the airbag sheath 21, and the gas outlet 230 of the high-pressure gas cylinder 23 is closed at this time, as shown in fig. 7; when the airbag 24 is in an inflated state, the gas outlet 230 of the high-pressure gas cylinder 23 is opened, and the high-pressure gas stored in the high-pressure gas cylinder 23 enters the first bag chamber 2401 from the gas outlet 230 of the high-pressure gas cylinder 23 through the gas inlet 241 of the airbag 24 and enters the second bag chamber 2402 through the gas flow passage 2403, so that the airbag 24 is integrally inflated and at least a part of the airbag 24 breaks through the airbag sheath 21 to the outside of the airbag sheath 21, as shown in fig. 9 and 10.

When the airbag 24 is in the folded state, at least a part of the airbag 24 is located in the airbag housing chamber 210, so that the overall volume of the airbag package 2 is small and the occupied space is small. In this embodiment: as shown in fig. 7, when the airbag 24 is in the folded state, the airbag 24 is folded as a whole and is placed in the high-pressure gas cylinder accommodating body 22, and is located above the high-pressure gas cylinder 23.

When the airbag 24 is in an inflated state, as shown in fig. 9, the sectional shape of the airbag 24 in the vertical direction is reverse "C" shape, one end of the reverse "C" shape of the airbag 24 is an air inlet 241 of the airbag 24, the other end of the reverse "C" shape of the airbag 24 is fixedly connected to the high-pressure gas cylinder accommodating body 22, the opening of the reverse "C" shape of the airbag 24 faces the seat body 1, and when the head of the child rushes forward due to a collision of the vehicle, the middle part of the reverse "C" shape of the airbag 24 can form a good support for the head of the child, reduce the impact force, and improve the safety.

In order to ensure that the airbag 24 forms an inverted "C" shape in an inflated state and the inverted "C" shape is structurally stable, the airbag package 2 further includes a first tether 25 and a second tether 26, as shown in fig. 9, the first tether 25 and the second tether 26 are used to fixedly connect the airbag 24 to the high pressure gas cylinder accommodating body 22.

Specifically, one end of the first tether 25 is fixedly connected to the other end of the airbag 24, the other end of the first tether 25 is fixedly connected to the high-pressure cylinder housing 22, and the fixed connection point of the other end of the first tether 25 to the high-pressure cylinder housing 22 is located on the outer wall of the high-pressure cylinder housing 22 and faces the seat body 1. The arrangement of the first tether 25 ensures that the airbag 24 is inverted "C" when inflated, and prevents the other end of the airbag 24 from tilting upward after inflation.

One end of the second tether 26 is fixedly connected to the middle of the airbag 24, and the other end of the second tether 26 is fixedly connected to the high pressure cylinder accommodating body 22. In this embodiment: one end portion of the second tether 26 is fixedly connected to the airbag 24 on the outer wall of the air flow path 2403, and the other end portion of the second tether 26 is connected to the high pressure cylinder accommodating body 22 at a position on the inner wall of the high pressure cylinder accommodating body 22. The second tether 26 is provided with at least one, and in this embodiment, the second tether 26 is provided with two, one end portions of the two second tethers 26 are fixedly connected to the middle portion of the airbag 24, the other end portions of the two second tethers 26 are fixedly connected to the high pressure cylinder accommodating body 22, and the two second tethers 26 are crossed with each other, as shown in fig. 4. This allows the airbag 24 to be more uniformly stressed in the inflated state to reduce the amount of side-to-side sloshing in a collision. Of course, it is also possible to arrange two second tethers 26 in parallel, as shown in fig. 5. When the airbag 24 is in the folded state, the second tether 26 is located within the airbag sheath 21, and the second tether 26 is in a relaxed state; when the airbag 24 is in an inflated condition, the second tether 26 is in tension and the upper portion of the second tether 24 is located outside the airbag cover 21. The second lacing 26 can ensure that the whole airbag 24 has good tension support when the airbag 24 is in an inflated state, and the safety is improved.

The left and right sides of the upper portion of the high pressure gas cylinder accommodating body 22 are respectively provided with fitting portions 220, and the fitting portions 220 can be respectively fitted with the shoulder straps 31 on the corresponding sides. When the harness assembly 3 is in a tensioned state, the shoulder straps 31 on both sides are respectively pressed in the matching portions 220 on the corresponding side, and meanwhile, because the lower portion of the high-pressure gas cylinder accommodating body 22 is arranged at the rear portion of the central buckle 33, a three-point limiting structure is formed on the high-pressure gas cylinder accommodating body 22, namely the airbag package 2, through the shoulder straps 31 on both sides and the central buckle 33, so that a proper distance can be always kept between the airbag package 2 and the body of a child, and the airbag 24 can form good support and protection for the head of the child after being inflated.

Specifically, the fitting portion 220 is a guide groove recessed inward from the front surface of the high-pressure gas cylinder accommodating body 22, the guide groove extends obliquely in the vertical direction, and two end portions in the length direction of the guide groove penetrate through corresponding end portions of the high-pressure gas cylinder accommodating body 22, respectively.

When the automobile runs normally, a child sits on the seat body 1, the air outlet 230 of the high-pressure air bottle 23 is in a closed state, the safety air bag 24 is in a folded state and is folded and contained in the safety air bag wrapper 21, the whole volume is small, and the normal use of the safety belt assembly 3 is not influenced, as shown in fig. 1-3 and 7. At this time, the seat belt assembly 3 is in a tensioned state, and the shoulder straps 31 on both sides are respectively pressed into the fitting portions 220 on the corresponding sides of the high-pressure gas cylinder accommodating body 22.

When the automobile collides, the air outlet 230 of the high-pressure air bottle 23 is opened, and the high-pressure air stored in the high-pressure air bottle 23 enters the bag cavity 240 from the air outlet 230 of the high-pressure air bottle 23, so that the airbag 24 starts to expand and breaks through the top of the airbag sheath 21, and forms a reverse C shape under the combined action of the first tying belt 25 and the second tying belt 26, as shown in fig. 4-6 and fig. 8-10. Because the cooperation of the shoulder strap 31 and the high-pressure gas cylinder accommodating body 22 of both sides, can avoid the high-pressure gas cylinder accommodating body 22 to drive air bag 24 forward motion for keep suitable distance between air bag package 2 and the children's health, if children's head leans forward this moment then can touch air bag 24's surface, play the cushioning effect, can avoid or alleviate the injury that children's head received, further improve the security.

Example 2

In this embodiment, the crotch strap 32 of the seatbelt assembly 3, the lower portion of the center buckle 33, and the seat body 1 are rotatably connected by a rotating shaft extending in the left-right direction. Thus, the center buckle 33 can rotate forward or backward relative to the seat body 1 about the rotation shaft.

When a child needs to sit in the child car seat, or when the child needs to be carried out from the child car seat, the central buckle 33 is rotated forward relative to the seat body 1, so that the space between the central buckle 33 and the seat body 1 is increased, and the child can sit in the child car seat or can be carried out from the child car seat.

When a child sits on the child car seat, the central buckle 33 rotates backwards relative to the seat body 1, so that the safety belt assembly 3 is in a tightened state, and meanwhile, the air bag package 2 keeps a proper distance from the body of the child, so that the surface of the air bag 24 can be touched when the car collides and the head of the child leans forwards, and a buffering effect is achieved.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims (10)

1. A child car seat including a seat body and a harness assembly provided on the seat body, the harness assembly having a tensioned state and a loosened state, the harness assembly including shoulder straps provided on left and right sides, respectively, and a center buckle having a lower portion connected directly or indirectly to the seat body, one end portions of the shoulder straps on both sides being connected to the seat body, the other end portions of the shoulder straps on both sides being detachably connected to the center buckle, the child car seat being characterized in that: child's car safety seat still includes air bag package, air bag package include air bag, store high-pressure gas with to the high-pressure gas cylinder of air bag air feed holds with being used for holding the high-pressure gas cylinder of high-pressure gas cylinder holds the body, the lower part that the high-pressure gas cylinder held the body sets up the rear portion of central hasp, the left and right sides that the high-pressure gas cylinder held the upper portion of body is provided with respectively and corresponds one side shoulder matched with cooperation portion, works as when the air bag subassembly was in the tensioning state, both sides the shoulder is pressed respectively and is established corresponding one side in the cooperation portion.

2. The child car safety seat according to claim 1, wherein: the matching part is a guide groove which is inwards concave from the front surface of the high-pressure gas cylinder accommodating body, the guide groove extends obliquely along the vertical direction, and two end parts in the length direction of the guide groove respectively penetrate through one corresponding end part of the high-pressure gas cylinder accommodating body.

3. The child car safety seat according to claim 1, wherein: the safety airbag package also comprises a safety airbag wrapping body with a safety airbag accommodating cavity, the high-pressure gas cylinder accommodating body is arranged in the safety airbag wrapping body, the high-pressure gas cylinder is provided with a gas outlet, the gas outlet of the high-pressure gas cylinder is provided with a closed state and an opened state, when the gas outlet of the high-pressure gas cylinder is in the closed state, high-pressure gas is sealed in the high-pressure gas cylinder, and when the gas outlet of the high-pressure gas cylinder is in the opened state, high-pressure gas is sprayed out from the gas outlet of the high-pressure gas cylinder; the safety airbag is provided with a bag cavity and an air inlet which are communicated with each other, the air inlet of the safety airbag is communicated with the air outlet of the high-pressure air cylinder, the air inlet of the safety airbag is fixedly connected with the high-pressure air cylinder accommodating body and/or the air outlet of the high-pressure air cylinder, the safety airbag is provided with a folding state and an inflating state, when the safety airbag is in the folding state, the safety airbag is at least partially folded and arranged in the bag cavity, the air outlet of the high-pressure air cylinder is in a closing state, when the safety airbag is in the inflating state, the air outlet of the high-pressure air cylinder is in an opening state, and the high-pressure gas enters the bag cavity from the air outlet of the high-pressure air cylinder through the air inlet of the safety airbag, so that the safety airbag at least partially breaks the bag cover and enters the outer side of the safety airbag.

4. The child car safety seat according to claim 3, wherein: when the safety air bag is in an inflated state, the section of the safety air bag is in a reversed C shape, one end part of the reversed C shape of the safety air bag is an air inlet of the safety air bag, and the other end part of the reversed C shape of the safety air bag is fixedly connected to the high-pressure air bottle accommodating body.

5. The child car safety seat according to claim 4, wherein: the air bag package still includes first frenulum, one end of first frenulum with another tip of air bag is connected, another tip fixed connection of first frenulum in the high-pressure gas cylinder holds the body.

6. The child car safety seat according to claim 4, wherein: the airbag package also comprises at least one second lacing, one end part of the second lacing is fixedly connected to the middle part of the airbag, and the other end part of the second lacing is fixedly connected to the high-pressure gas cylinder accommodating body; the second tether is positioned within the airbag envelope when the airbag is in a folded condition, and the second tether is in a tensioned state and at least partially positioned outside the airbag envelope when the airbag is in an inflated condition.

7. The child car safety seat according to claim 6, wherein: the number of the second lacings is two, and the two second lacings are crossed or arranged in parallel.

8. The child car safety seat according to claim 4, wherein: the gasbag chamber includes first gasbag chamber and second gasbag chamber, an end formation of first gasbag chamber the air inlet of air bag, an end of second gasbag chamber is fixed in on the high-pressure gas cylinder holds the body, another tip of first gasbag chamber with another tip of second gasbag chamber passes through the air current passageway intercommunication.

9. A child car safety seat according to claim 1, wherein: the seat belt assembly further includes a crotch strap, one end portion of which is connected to the seat body, the other end portion of which is connected to the center buckle, and a lower end portion of the high-pressure gas cylinder accommodating body is connected to the crotch strap.

10. The child car safety seat according to claim 1, wherein: the lower part of the central hasp is rotatably connected with the seat body through a rotating shaft, and the rotating shaft extends along the left-right direction.

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