Child safety seat

Abstract

A child safety seat, comprising a seat body and an airbag assembly. The airbag assembly comprises airbag bodies (21, 22) having a folded state and an inflated state; when the airbag bodies (21, 22) are in the folded state, the airbag bodies (21, 22) are stored inside the seat body; and when the airbag bodies (21, 22) are in the inflated state, the airbag bodies (21, 22) burst out of the seat body to support a child sitting in the seat body. The child safety seat further comprises limiting tethers (3) which are pulled to constrain positions of the airbag bodies (21, 22) in the inflated state when the airbag bodies (21, 22) are inflated and burst out of the seat body; and the limiting tethers (3) are arranged on the seat body, and are at least partially located outside the seat body, so as to limit the positions of the airbag bodies (21, 22) in the inflated state. The child safety seat can limit the positions of the airbag bodies (21, 22) in the inflated state by means of the limiting tethers (3), so as to prevent the positions of the airbag bodies (21, 22) from deviating from preset positions, thereby providing effectively protection for children.

Description

A child safety seat Technical Field

[0001] The present invention relates to the technical field of children's products, and in particular to a child safety seat. Background Art

[0002] Child safety seats are primarily used when children are riding in cars to improve their safety. Some existing child safety seats are equipped with airbag assemblies, which include an airbag body that can be folded or inflated. During normal driving, the airbag body is contained within the child safety seat. In the event of a collision, the airbag body inflates and bursts out of the seat body to protect the child. However, some child safety seats of this type suffer from a significant deviation from their set position after inflation, rendering them ineffective in protecting the child. Summary of the Invention

[0003] The object of the present invention is to address the deficiencies in the prior art and to provide a child safety seat capable of limiting the position of an airbag body in an inflated state.

[0004] In order to achieve the above object, the technical solution adopted by the present invention is:

[0005] A child safety seat comprises a seat body and an airbag assembly, wherein the airbag assembly comprises an airbag body having a folded state and an inflated state, wherein the airbag body is accommodated in the seat body when the airbag body is in the folded state, and the airbag body is in the inflated state, the airbag body rushes out of the seat body to support a child sitting in the seat body, and the child safety seat further comprises a limiting belt which is stretched when the airbag body inflates and rushes out of the seat body to limit the position of the airbag body in the inflated state, the limiting belt being arranged on the seat body and at least partially located outside the seat body to limit the position of the airbag body in the inflated state.

[0006] Preferably, the limiting belt is elastic, and all of the limiting belts are arranged outside the seat body.

[0007] Preferably, the child safety seat further comprises a retractor arranged in the seat body, and one end portion of the limiting belt extends into the seat body and is arranged on the retractor.

[0008] Preferably, the limiting belt is arranged on the movement path of the airbag body when it is inflated.

[0009] Preferably, the airbag assembly also includes a box body arranged in the seat body for accommodating the airbag body in a folded state, and the box body is provided with an outlet for rushing out of the box body when the airbag body is inflated, and the position of the limiting belt on the seat body corresponds to the position of the outlet.

[0010] Preferably, at least one limiting belt is provided; when multiple limiting belts are provided, each limiting belt is provided independently, or all or part of the limiting belts are provided to intersect.

[0011] Preferably, the seat body includes a seat for the child to sit on, a backrest located at the rear of the seat, side wings respectively arranged on the left and right sides of the backrest, and armrests respectively arranged on the left and right sides of the seat, the airbag body in a folded state is arranged in the side wings or the armrests on one side or both sides, the airbag body in an inflated state includes a first airbag body located in front of the backrest and / or a second airbag body located on the outside of the side wings where the airbag body is arranged, and the two ends of the limiting belt are respectively arranged on the seat and the backrest.

[0012] Furthermore, the limiting belt is located on the inner side of the side wing where the airbag body is provided. When the airbag body is in an inflated state, the limiting belt is bound on the first airbag body to limit the position of the first airbag body.

[0013] Furthermore, the limiting belt is located outside the side wing on which the airbag body is provided. When the airbag body is in an inflated state, the limiting belt is bound on the second airbag body to limit the position of the second airbag body.

[0014] Furthermore, the limiting belts are respectively located on the inner and outer sides of the side wings on which the airbag body is set. When the airbag body is in an inflated state, the limiting belt located on the inner side is restrained on the first airbag body to limit the position of the first airbag body, and the limiting belt located on the outer side is restrained on the second airbag body to limit the position of the second airbag body.

[0015] The present invention also provides a child safety seat, comprising:

[0016] seat body;

[0017] An airbag assembly includes an airbag body, wherein the airbag body has a folded state accommodated in the seat body and an inflated state expanded outside the seat body;

[0018] A limiting belt is installed on the seat body, and at least a portion of the limiting belt is located on the movement path of the airbag body when it is inflated to limit the inflated airbag body.

[0019] Preferably, when the airbag body is in an inflated state, at least a portion of the limiting belt is located outside the seat body to limit the position of the airbag body in the inflated state.

[0020] Preferably, when the airbag body is in a folded state, at least a portion of the limiting belt is located outside the seat body.

[0021] Furthermore, both ends of the limiting belt are respectively mounted and fixed on the seat body, and when the airbag body is in a folded state, the limiting belt is exposed outside the seat body.

[0022] Furthermore, the limiting belt is in a closed ring shape. When the airbag body is in a folded state, part of the limiting belt is accommodated in the seat body, and part of the limiting belt is exposed outside the seat body.

[0023] Furthermore, the limiting belt is an elastic belt that can be elastically deformed.

[0024] Furthermore, the child safety seat further comprises a retractor arranged in the seat body, and one end portion of the limiting belt extends into the seat body and is arranged on the retractor.

[0025] Preferably, the airbag assembly also includes a box body arranged in the seat body for accommodating the airbag body in a folded state, and the box body is provided with an outlet for rushing out of the box body when the airbag body is inflated, and the position of the limiting belt on the seat body corresponds to the position of the outlet.

[0026] Preferably, at least one limiting belt is provided; when multiple limiting belts are provided, each limiting belt is provided independently, or all or part of the limiting belts are provided to intersect.

[0027] Preferably, the seat body includes a seat for the child to sit on, a backrest located at the rear of the seat, side wings respectively arranged on the left and right sides of the backrest, and armrests respectively arranged on the left and right sides of the seat, the airbag body in a folded state is arranged in the side wings or the armrests on one side or both sides, the airbag body in an inflated state includes a first airbag body located in front of the backrest and / or a second airbag body located on the outside of the side wings where the airbag body is arranged, and the two ends of the limiting belt are respectively arranged on the seat and the backrest.

[0028] Preferably, the limiting belt is located on the inner side of the side wing where the airbag body is provided. When the airbag body is in an inflated state, the limiting belt is bound on the first airbag body to limit the position of the first airbag body.

[0029] Preferably, the limiting belt is located outside the side wing on which the airbag body is provided. When the airbag body is in an inflated state, the limiting belt is bound on the second airbag body to limit the position of the second airbag body.

[0030] Preferably, the limiting belts are respectively located on the inner and outer sides of the side wings on which the airbag body is provided. When the airbag body is in an inflated state, the limiting belt located on the inner side is restrained on the first airbag body to limit the position of the first airbag body, and the limiting belt located on the outer side is restrained on the second airbag body to limit the position of the second airbag body.

[0031] Due to the application of the above technical solution, the present invention has the following advantages over existing technologies: The child safety seat of the present invention is equipped with an airbag assembly. In the event of a vehicle collision, the airbag assembly's airbag body is ejected from the seat body and, in its inflated state, provides support for the child seated within the seat body. Furthermore, the seat body is provided with a limiter strap, which limits the position of the airbag body when inflated, ensuring that the airbag body remains in its set position, thereby effectively protecting the child. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] FIG1 is a front view of the child safety seat of this embodiment when no limiting belt is provided on the seat body;

[0033] Figure 2 is a front view of the child safety seat of this embodiment when the airbag body is in a folded state (the limiting belt is located on the inner side of the side wing, and there is one limiting belt);

[0034] Figure 3 is a front view of the child safety seat of this embodiment when the airbag body is in a folded state (the limiting belts are located on the inner sides of the side wings, and there are two limiting belts);

[0035] Figure 4 is a side view of the child safety seat of this embodiment when the airbag body is in a folded state (the limiting belt is located on the outside of the side wing, and there is one limiting belt);

[0036] Figure 5 is a side view of the child safety seat of this embodiment when the airbag body is in a folded state (the limiting belts are located on the outside of the side wings, and there are two limiting belts);

[0037] Figure 6 is a front view of the child safety seat of this embodiment when the airbag body is in an inflated state (the limiting belts are respectively arranged on the inner and outer sides of the side wings);

[0038] FIG7 is a side view of the child safety seat of this embodiment when the airbag body is in an inflated state (the limiting belts are respectively arranged on the inner and outer sides of the side wings).

[0039] Among them: 11. seat; 12. backrest; 13. headrest; 14. side wings; 15. armrest; 21. first airbag body; 22. second airbag body. DETAILED DESCRIPTION

[0040] The technical solution of the present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0041] In the following description, directions such as "front," "rear," "left," "right," "up," and "down" are all based on Figure 1 , where the left side is designated "left," the right side is designated "right," the upper side is designated "up," and the lower side is designated "down." Directions perpendicular to the paper are designated "front" and "rear." These definitions of directions are intended solely to facilitate the description of the present invention and simplify the description. They do not indicate or imply that the devices or components referred to must have, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limiting the present invention.

[0042] As shown in FIG. 1 to FIG. 7 , the child safety seat of the present invention includes a seat body and an airbag assembly disposed on the seat body.

[0043] As shown in Figure 1, the seat body includes a seat 11, a backrest 12, a headrest 13, side wings 14 and armrests 15. The seat 11 is used to support the child's buttocks. The backrest 12 is arranged behind the seat 11 and extends upward from the rear of the seat 11. The backrest 12 is used to support the child's back. The headrest 13 is arranged on the backrest 12. The headrest 13 is used to support the child's head. Preferably, the headrest 13 is arranged on the backrest 12 so as to be able to slide up and down. The side wings 14 are respectively arranged on the left and right sides of the backrest 12. The side wings 14 on each side protrude forward from the intersection with the backrest 12 and extend from top to bottom along the backrest 12. The armrests 15 are respectively arranged on the left and right sides of the seat 11. The armrest 15 on each side is located below the side wings 14 on the corresponding side.

[0044] The airbag assembly includes an airbag body, which has a folded state and an inflated state. In the folded state, the airbag body is housed within the seat body. When inflated, the airbag body is able to protrude outside the seat body and expand into the inflated state.

[0045] The airbag assembly may also include a housing (not shown) disposed within the seat body. When the airbag body is folded, the airbag body is housed within the housing. The housing has an outlet. When the airbag body is inflated, the airbag body is ejected from the outlet to the exterior of the housing and seat body.

[0046] When the child safety seat is installed on the car seat and the car is driving normally, the airbag body is in a folded state. When the car collides, the airbag body is in an inflated state to support the child and reduce the damage caused by the collision to the child.

[0047] The airbag assembly also includes a gas generator for supplying air to the airbag body and a trigger control device for sending a trigger signal to the gas generator in the event of a vehicle collision. The gas generator is connected to the airbag body and, upon receiving the trigger signal from the trigger control device, activates and rapidly inflates the airbag body. Both the gas generator and the trigger control device may employ existing structures.

[0048] The child safety seat also includes a limiting belt 3, which is arranged on the seat body. When the airbag body is in an inflated state, the limiting belt 3 is at least partially arranged on the outside of the seat body. The part of the limiting belt 3 located outside the seat body can limit the position of the airbag body, so that the airbag body can be in a set position when inflated, so that the airbag body can better support the child, thereby improving the effective protection of the airbag body for the child, and reducing the harm to the child.

[0049] When the airbag body is folded, at least a portion of the limiting strap 3 is positioned outside the seat body. In this case, the portion of the limiting strap 3 located outside the seat body is close to the seat body. When the airbag body inflates and rushes out of the seat body, the airbag body acts on the limiting strap 3, stretching it. In turn, the limiting strap 3 acts on the airbag body, thereby limiting its position.

[0050] In one specific embodiment, the limiting strap 3 is inherently elastic, that is, it is a deformable elastic band. The two ends of the limiting strap 3 are fixed to the seat body. When the airbag body is folded, the limiting strap 3 is completely exposed outside the seat body. When the airbag body inflates and rushes out of the seat body, the limiting strap 3 is stretched and elastically deformed.

[0051] In another specific embodiment, the child safety seat also includes a reel for reeling the limiting belt 3, and the reel is arranged in the seat body. The reel includes a reel that can be rotatably arranged in the seat body and an elastic member arranged between the reel and the seat body. One end of the limiting belt 3 extends into the seat body and is wound on the reel. The other end of the limiting belt 3 is arranged on the seat body and is located outside the seat body. When the airbag body is in a folded state, the elastic force of the elastic member causes most of the limiting belt 3 located in the seat body to be wound on the reel, and the part of the limiting belt 3 located outside the seat body is in a tensioned state. When the airbag body is inflated and rushes out to the outside of the seat body, the limiting belt 3 is stretched, thereby pulling the reel to rotate, causing the limiting belt 3 to gradually fall off the reel.

[0052] In another specific embodiment, both ends of the limiting strap 3 are respectively mounted and fixed to the seat body. When the airbag body is in the folded state, the limiting strap 3 is completely exposed outside the seat body and is in a relaxed state. When the airbag body is inflated and rushes out of the seat body, the limiting strap 3 is stretched and thus becomes tensioned.

[0053] In another specific embodiment, the limiting strap 3 is in the form of a closed loop. When the airbag body is folded, the limiting strap 3 is partially located inside the seat body and partially exposed outside the seat body. When the airbag body inflates and rushes out of the seat body, the limiting strap 3 is stretched, thereby limiting the position of the airbag body.

[0054] The limiting belt 3 is arranged on the movement path of the airbag body when it is inflated. Preferably, the position of the limiting belt 3 on the seat body corresponds to the position of the outlet of the box body.

[0055] In this embodiment, the airbag body in the folded state is respectively disposed in the side wings 14 or the armrests 15 on both sides.

[0056] When the airbag body is inflated, the airbag bodies on both sides can bend forward and extend to the front of the backrest 12 to form a first airbag body 21 respectively, and the free ends of the first airbag bodies 21 on both sides abut against each other in the front middle part of the backrest 12, so that the backrest 12, the side wings 14 on both sides and the first airbag body 21 in the inflated state are jointly circumferentially arranged to form a space for enclosing and protecting the child's body, so that when the child's head swings forward due to an impact or collision, it hits the elastic inflatable air cushion, thereby effectively protecting the child's head, neck and chest, reducing and avoiding injuries caused to the child during impact.

[0057] When the airbag bodies are inflated, the two airbag bodies can also extend from the side wings 14 on which they are set to the outside of the side wings 14 and to the rear of the side wings 14 to form second airbag bodies 22. The second airbag bodies 22 are respectively covered with the outside of the side wings 14 on each side. Therefore, when the car is hit from the side, the second airbag bodies 22 can play a certain buffering and energy-absorbing role, thereby reducing the impact load acting on the seat body.

[0058] That is, the airbag body in this embodiment may include only the first airbag body 21 or the second airbag body 22 , or include both the first airbag body 21 and the second airbag body 22 .

[0059] Corresponding to the state of the airbag body after inflation, one end of the limiting belt 3 in this embodiment is arranged on the seat 11 , and the other end of the limiting belt 3 is arranged on the upper part of the backrest 12 .

[0060] The limiting belt 3 can be set only on the inner side of the side wing 14 on each side. When the airbag body is in the inflated state, the limiting belt 3 is bound to the outer side of the first airbag body 21 on the corresponding side to limit the position of the first airbag body 21 to ensure that the first airbag body 21 is located in front of the backrest 12. There can be one limiting belt 3, as shown in Figure 2. There can also be multiple limiting belts 3. In this case, the multiple limiting belts 3 can be set independently or intersect with each other. As shown in Figure 3, the two ends of the two limiting belts 3 intersect with each other.

[0061] The limiting belt 3 can also be set only on the left or right side of the side wing 14 on each side, and located on the outside of the side wing 14. When the airbag body is in the inflated state, the limiting belt 3 is bound to the outside of the second airbag body 22 on the corresponding side to limit the position of the second airbag body 22, so that the second airbag body 22 can be attached to the outside of the corresponding side wing 14. One limiting belt 3 can be set, as shown in Figure 4. Multiple limiting belts 3 can also be set. In this case, the multiple limiting belts 3 can be set independently or intersect with each other. As shown in Figure 5, the two ends of the two limiting belts 3 intersect with each other.

[0062] Of course, as shown in Figures 6 and 7 , limiting straps 3 can also be provided on both the inner and outer sides of each side wing 14. The limiting strap 3 on the inner side is bounded by the outer side of the first airbag body 21 on the corresponding side to limit the position of the first airbag body 21. The limiting strap 3 on the outer side is bounded by the outer side of the second airbag body 22 on the corresponding side to limit the position of the second airbag body 22. In this case, one or more limiting straps 3 can be provided on both the inner and outer sides.

[0063] Of course, the airbag body in the folded state can also be arranged only in one side wing 14 or armrest 15. In this way, when the airbag body is in the inflated state, the first airbag body 21 extends from one side wing 14 to the other side wing 14, forming a barrier for the front side of the child's body. At this time, the limiting belt 3 is respectively arranged on the inner side or outer side of the side wing 14 on the side where the airbag body is arranged. At the same time, the limiting belt 3 can also be arranged on the inner side of the side wing 14 on the other side where the airbag body is not arranged to limit the position of the first airbag body 21, so that the first airbag body 21 can extend from one side wing 14 to the other side wing 14.

[0064] The child safety seat has a seating space for a child. In the above description, the inner side of the side wing 14 refers to the side of the side wing 14 facing the seating space, and the outer side of the side wing 14 refers to the side of the side wing 14 facing away from the seating space.

[0065] The above embodiments are intended only to illustrate the technical concepts and features of the present invention. Their purpose is to enable those skilled in the art to understand the contents of the present invention and implement them accordingly. They are not intended to limit the scope of protection of the present invention. Any equivalent changes or modifications made in accordance with the spirit of the present invention are intended to be covered by the scope of protection of the present invention.

Claims

1. A child safety seat, characterized in that: The child safety seat comprises a seat body and an airbag assembly, wherein the airbag assembly comprises an airbag body having a folded state and an inflated state. When the airbag body is in the folded state, the airbag body is accommodated in the seat body. When the airbag body is in the inflated state, the airbag body rushes out of the seat body to support a child sitting in the seat body. The child safety seat also comprises a limiting belt which is stretched when the airbag body inflates and rushes out of the seat body to limit the position of the airbag body in the inflated state. The limiting belt is arranged on the seat body, and at least partially located outside the seat body to limit the position of the airbag body in the inflated state.

2. The child safety seat according to claim 1, characterized in that: The limiting belt is elastic and all of the limiting belts are arranged outside the seat body.

3. The child safety seat according to claim 1, characterized in that: The child safety seat further comprises a retractor arranged in the seat body, and one end portion of the limiting belt extends into the seat body and is arranged on the retractor.

4. The child safety seat according to claim 1, characterized in that: The limiting belt is arranged on the movement path of the airbag body when it is inflated.

5. The child safety seat according to claim 1, characterized in that: The airbag assembly also includes a box body arranged in the seat body for accommodating the airbag body in a folded state. The box body is provided with an outlet that rushes out of the box body when the airbag body is inflated. The position of the limiting belt on the seat body corresponds to the position of the outlet.

6. The child safety seat according to claim 1, characterized in that: At least one limiting belt is provided; when a plurality of limiting belts are provided, each limiting belt is provided independently, or all or part of the limiting belts are provided to intersect.

7. The child safety seat according to any one of claims 1 to 6, characterized in that: The seat body includes a seat for a child to sit on, a backrest arranged at the rear of the seat, side wings respectively arranged on the left and right sides of the backrest, and armrests respectively arranged on the left and right sides of the seat. The airbag body in a folded state is arranged in the side wings or the armrests on one side or both sides. The airbag body in an inflated state includes a first airbag body located in front of the backrest and / or a second airbag body located outside the side wings where the airbag body is arranged. The two ends of the limiting belt are respectively arranged on the seat and the backrest.

8. The child safety seat according to claim 7, characterized in that: The limiting belt is located on the inner side of the side wing where the airbag body is provided. When the airbag body is in an inflated state, the limiting belt is bound on the first airbag body to limit the position of the first airbag body.

9. The child safety seat according to claim 7, characterized in that: The limiting belt is located outside the side wing where the airbag body is provided. When the airbag body is in an inflated state, the limiting belt is bound on the second airbag body to limit the position of the second airbag body.

10. The child safety seat according to claim 7, characterized in that: The limiting belts are respectively located on the inner and outer sides of the side wings on which the airbag body is set. When the airbag body is in an inflated state, the limiting belt located on the inner side is restrained on the first airbag body to limit the position of the first airbag body, and the limiting belt located on the outer side is restrained on the second airbag body to limit the position of the second airbag body.

11. A child safety seat, characterized in that: include: Seat body; An airbag assembly includes an airbag body, wherein the airbag body has a folded state accommodated in the seat body and an inflated state expanded outside the seat body; A limiting belt is installed on the seat body, and at least a portion of the limiting belt is located on the movement path of the airbag body when it is inflated to limit the inflated airbag body.

12. The child safety seat according to claim 11, characterized in that: When the airbag body is in an inflated state, at least a portion of the limiting belt is located outside the seat body to limit the position of the airbag body in the inflated state.

13. The child safety seat according to claim 11, characterized in that: When the airbag body is in a folded state, at least a portion of the limiting belt is located outside the seat body.

14. The child safety seat according to claim 13, characterized in that: Both ends of the limiting belt are respectively mounted and fixed on the seat body. When the airbag body is in a folded state, the limiting belt is exposed outside the seat body.

15. The child safety seat according to claim 13, characterized in that: The limiting belt is in a closed ring shape. When the airbag body is in a folded state, part of the limiting belt is accommodated in the seat body, and part of the limiting belt is exposed outside the seat body.

16. The child safety seat according to claim 13, characterized in that: The limiting belt is an elastic belt that can be elastically deformed.

17. The child safety seat according to claim 13, characterized in that: The child safety seat further comprises a retractor arranged in the seat body, and one end portion of the limiting belt extends into the seat body and is arranged on the retractor.

18. The child safety seat according to claim 11, characterized in that: The airbag assembly also includes a box body arranged in the seat body for accommodating the airbag body in a folded state. The box body is provided with an outlet that rushes out of the box body when the airbag body is inflated. The position of the limiting belt on the seat body corresponds to the position of the outlet.

19. The child safety seat according to claim 11, characterized in that: At least one limiting belt is provided; when a plurality of limiting belts are provided, each limiting belt is provided independently, or all or part of the limiting belts are provided to intersect.

20. The child safety seat according to any one of claims 11 to 19, characterized in that: The seat body includes a seat for a child to sit on, a backrest arranged at the rear of the seat, side wings respectively arranged on the left and right sides of the backrest, and armrests respectively arranged on the left and right sides of the seat. The airbag body in a folded state is arranged in the side wings or the armrests on one side or both sides. The airbag body in an inflated state includes a first airbag body located in front of the backrest and / or a second airbag body located outside the side wings where the airbag body is arranged. The two ends of the limiting belt are respectively arranged on the seat and the backrest.

21. The child safety seat according to claim 20, characterized in that: The limiting belt is located on the inner side of the side wing where the airbag body is provided. When the airbag body is in an inflated state, the limiting belt is bound on the first airbag body to limit the position of the first airbag body.

22. The child safety seat according to claim 20, characterized in that: The limiting belt is located outside the side wing where the airbag body is provided. When the airbag body is in an inflated state, the limiting belt is bound on the second airbag body to limit the position of the second airbag body.

23. The child safety seat according to claim 20, characterized in that: The limiting belts are respectively located on the inner and outer sides of the side wings on which the airbag body is set. When the airbag body is in an inflated state, the limiting belt located on the inner side is restrained on the first airbag body to limit the position of the first airbag body, and the limiting belt located on the outer side is restrained on the second airbag body to limit the position of the second airbag body.

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