安全气囊、安全气囊装置、车辆座椅以及车辆
By designing an airbag that combines head airbags and chest airbags with a side impact protection structure, the airbag solves the problem of protection for occupants in a semi-reclined or lying-down position during a side impact, achieving all-round reliable protection for occupants and is suitable for occupants of different body types.
Patent Information
- Application Number
- CN202521364743.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-30
- Publication Date
- 2026-07-17
- Estimated Expiration
- 2035-06-30
AI Technical Summary
Existing vehicle airbags cannot effectively provide side-impact protection when occupants are in a semi-reclined or lying position. Especially in side-impact collisions, occupants are easily thrown towards the door or other objects, and traditional airbags cannot reliably restrict occupant displacement.
Design an airbag comprising a head airbag and a chest airbag, combined with a side impact protection structure, constructed of fabric or gas chambers and straps, fixed to the seat back, which can effectively restrict occupant movement during a side collision and provide all-around protection.
In a side collision, airbags can effectively limit occupant displacement, reduce whiplash effect, and provide all-around reliable protection. They are suitable for occupants of different body types, especially for side collisions.
Smart Images
Figure CN224511067U_ABST
Abstract
Claims
1. An airbag for protecting an occupant seated on a seat of a vehicle, characterized by, The airbag includes: The head airbag portion is fixed to the seat back and, in the deployed state of the airbag, covers at least the side area of the occupant's head. The head airbag portion has a first side and a second side about the seat's central axis. The chest airbag portion has one end connected to a first side of the head airbag portion, and the other end of the chest airbag portion passes around the second side of the head airbag portion via a side impact protection structure and can be fixed to the seat back via the side impact protection structure. The side impact protection structure is configured to contact the occupant in the event of a side impact and reduce the occupant's movement in the direction toward the second side.
2. The airbag of claim 1, wherein When the airbag is deployed, the side impact protection structure covers at least the occupant's neck in the vertical direction.
3. The airbag of claim 2, wherein When the airbag is deployed, the side impact protection structure covers at least part of the occupant's head and / or shoulders in the vertical direction.
4. The airbag according to claim 2 or 3, characterized in that The occupant's body type corresponds to 5% female dummy, 50% male dummy, or 95% male dummy.
5. The airbag according to any one of claims 1 to 3, characterized in that, The side impact protection structure comprises a single layer or multiple layers of fabric.
6. The airbag of claim 5, wherein The fabric of the side impact protection structure is integrally formed from the fabric of the chest airbag portion.
7. The airbag of claim 5, wherein The fabric of the side impact protection structure is formed independently of the chest airbag portion, and the fabric of the side impact protection structure is fixed to the chest airbag portion.
8. The airbag according to claim 7, characterized in that, The fabric of the side impact protection structure is continuous with the fixing part of the chest airbag.
9. The airbag of claim 7, wherein The fabric of the side impact protection structure is discrete from the fixing part of the chest airbag portion.
10. The airbag of claim 7, wherein The fabric of the side impact protection structure is continuous and discrete with the fixing part of the chest airbag.
11. The airbag according to any one of claims 1 to 3, characterized in that, The side impact protection structure includes a gas chamber, which is in fluid communication with the gas chamber of the chest air bag portion.
12. The airbag of claim 11, wherein, When the airbag is deployed, the maximum thickness of the gas chamber of the side impact protection structure is less than the maximum thickness of the gas chamber of the chest airbag and / or less than the maximum thickness of the gas chamber of the head airbag.
13. The airbag of claim 11, wherein, A partition structure exists between the gas chamber of the side impact protection structure and the gas chamber of the chest airbag portion to separate the gas chamber of the side impact protection structure and the gas chamber of the chest airbag portion, thereby defining a fluid passage between the gas chamber of the side impact protection structure and the gas chamber of the chest airbag portion.
14. The airbag of claim 13, wherein, The barrier structure includes at least one stitch and / or includes a separating fabric.
15. The airbag of any one of claims 1 to 3, wherein, The side impact protection structure includes a strap, one end of which is fixed to the chest airbag portion, and the other end of which is fixed to the seat back.
16. The airbag of claim 15, wherein, The side impact protection structure includes multiple straps, wherein at least a portion of the multiple straps are arranged side by side, and / or at least a portion of the multiple straps are arranged to cross each other.
17. The airbag of any one of claims 1 to 3, wherein, The head airbag portion and the chest airbag portion are interconnected by a connecting portion configured to contact the occupant in the event of a side collision and reduce the occupant’s movement in the direction toward the first side.
18. The airbag of claim 17, wherein, When the airbag is deployed, the connecting portion covers at least the occupant's neck in the vertical direction.
19. The airbag of claim 18, wherein, When the airbag is deployed, the connecting portion covers at least part of the occupant's head and / or shoulders in the vertical direction.
20. The airbag of claim 17, wherein, The head airbag portion and the chest airbag portion are fluidly connected through the connecting portion.
21. The airbag of any one of claims 1 to 3, wherein, The airbag includes an airbag tightening strap, and the chest airbag portion can be connected to an airbag tightener via the airbag tightening strap. The airbag tightener is configured to pull the chest airbag portion to the occupant's chest by tightening the airbag tightening strap when or after the airbag deploys.
22. The airbag of any one of claims 1 to 3, wherein, The first side is the side closer to the vehicle door, and the second side is the side farther from the vehicle door; or, the second side is the side closer to the vehicle door, and the first side is the side farther from the vehicle door.
23. An airbag device for mounting on a seat of a vehicle, characterized by The airbag device includes an airbag and a gas generator according to any one of claims 1 to 22.
24. The airbag device according to claim 23, characterized by The airbag device includes an airbag inflator that can be mounted on the seat.
25. The airbag device according to claim 23 or 24, characterized by The airbag system includes a tensioning device for side-impact protection, which can be mounted on the seat.
26. A vehicle seat, characterized by The vehicle seat includes at least one airbag according to any one of claims 1 to 22, or the vehicle seat includes at least one airbag device according to any one of claims 23 to 25.
27. A vehicle characterized by The vehicle includes the vehicle seat as described in claim 26.