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KR-20260062716-A - AIRBAG APPARATUS

KR20260062716AKR 20260062716 AKR20260062716 AKR 20260062716AKR-20260062716-A

Abstract

The disclosed airbag device comprises: a first chamber including a first side cushion portion connected to one side of a seat back included in a vehicle seat and deployed forward, a first bending portion that bends the first side cushion portion so that the first side cushion portion bends in a direction that wraps around one side of a person seated on the seat, and a first front cushion portion deployed from the first side cushion portion to face the front of the person seated; and a second chamber including a second side cushion portion connected to the other side of the seat back and deployed forward, a second bending portion that bends the second side cushion portion so that the second side cushion portion bends in a direction that wraps around the other side of the person seated, and a second front cushion portion deployed from the second side cushion portion to overlap with the first front cushion portion.

Inventors

  • 황보상원
  • 이동길

Assignees

  • 현대모비스 주식회사

Dates

Publication Date
20260507
Application Date
20241029

Claims (10)

  1. A first chamber comprising: a first side cushion portion connected to one side of a seatback included in a vehicle seat and extending forward; a first bending portion that bends the first side cushion portion so that the first side cushion portion bends in a direction that wraps around one side of a person seated on the seat; and a first front cushion portion extending from the first side cushion portion to face the front of the person seated. An airbag device characterized by comprising: a second side cushion portion connected to the other side of the seat back and extending forward; a second bending portion that bends the second side cushion portion so that the second side cushion portion bends in a direction that wraps around the other side of the seated person; and a second front cushion portion that extends from the second side cushion portion to overlap with the first front cushion portion.
  2. In Article 1, The first side cushion portion comprises a first outer panel and a first inner panel that overlaps the first outer panel so as to form an internal space of the first side cushion portion together with the first outer panel. The first folding portion includes a first folding portion that partially overlaps the first inner panel, and The second side cushion portion comprises a second outer panel and a second inner panel that overlaps the second outer panel so as to form an internal space of the second side cushion portion together with the second outer panel. An airbag device characterized in that the second bend portion includes a second folding portion that partially overlaps the second inner panel.
  3. In Article 2, The first bend portion further includes a first through hole formed to penetrate the first inner panel, and The first folding portion is formed by folding the first inner panel so that the first through hole is closed, and sewing the portions of the first inner panel that are folded and facing each other. The second bend portion further includes a second through hole formed to penetrate the second inner panel, and An airbag device characterized by the fact that the second folding portion is formed by folding the second inner panel so that the second through hole is closed, and sewing the portions of the second inner panel that are folded and facing each other.
  4. In Article 2, The above-mentioned first bend portion is, A first bending reinforcing front tether having an inner end connected to the first inner panel by sewing and an outer end connected to the first outer panel by sewing, positioned in front of the first folding portion, and An airbag device characterized by further including a first folded reinforcing rear tether located at the rear of the first folding portion, having an inner end joined to the first inner panel by sewing, and an outer end joined to the first outer panel by sewing.
  5. In Paragraph 4, An airbag device characterized in that the gap between the outer end of the first bending reinforcement front tether and the outer end of the first bending reinforcement rear tether is greater than the gap between the inner end of the first bending reinforcement front tether and the inner end of the first bending reinforcement rear tether.
  6. In Article 2, The above second bend portion is, A second bending reinforcing front tether located in front of the second folding portion and having an inner end joined to the second inner panel by sewing, and an outer end joined to the second outer panel by sewing, and An airbag device characterized by further including a second folded reinforcing rear tether located at the rear of the second folding portion, having an inner end joined to the second inner panel by sewing, and an outer end joined to the second outer panel by sewing.
  7. In Article 6, An airbag device characterized in that the gap between the outer end of the second bending reinforcement front tether and the outer end of the second bending reinforcement rear tether is greater than the gap between the inner end of the second bending reinforcement front tether and the inner end of the second bending reinforcement rear tether.
  8. In Article 1, An airbag device further comprising: a front cushion coupling part that detachably combines the first front cushion part and the second front cushion part when the first front cushion part and the second front cushion part overlap.
  9. In Article 1, A first inflator located inside the first side cushion portion and providing gas to expand the first chamber; and An airbag device characterized by further including a second inflator located inside the second side cushion portion and providing gas to deploy the second chamber.
  10. In Article 1, A first side tether having one end coupled to one side of the seat back and another end coupled to the first side cushion portion; and An airbag device further comprising: a second side tether having one end portion coupled to the other side of the seat back and the other end portion coupled to the second side cushion portion.

Description

Airbag apparatus The present invention relates to an airbag device, and more specifically, to a surround airbag device that deploys to surround a seated person in the event of a collision. As autonomous driving technology improves, the installation positions and orientations of seats within the passenger compartment are becoming more diverse. Consequently, there is a demand for so-called surround airbags that are installed in the seats to protect the occupant regardless of their position or orientation, and that deploy cushions to surround the occupant in the event of a collision. The background technology of the present invention is disclosed in Korean Published Patent Application No. 10-2019-0028588 (published March 19, 2019; Title of Invention: Vehicle Airbag Device). FIG. 1 is a perspective view illustrating an airbag device according to one embodiment of the present invention unfolded to surround a wearer. FIG. 2 is a plan view illustrating an airbag device according to one embodiment of the present invention deployed to surround a seated person. Figure 3 is an enlarged cross-sectional view of the interior of part A of Figure 2. Figure 4 is an enlarged cross-sectional view of the interior of part B of Figure 2. FIG. 5 is an unfolded view illustrating an example of a first inner panel and a first outer panel included in the first side cushion portion of FIG. 2. FIG. 6 is an unfolded view showing the combination of the first front cushion panel included in the first front cushion part of FIG. 2 and the first inner panel of FIG. 5. FIG. 7 is an unfolded view illustrating an example of a second inner panel and a second outer panel included in the second side cushion portion of FIG. 2. FIG. 8 is an unfolded view showing the combined appearance of the first front cushion panel included in the first front cushion part of FIG. 2 and the second inner panel of FIG. 7. Hereinafter, an airbag device according to an embodiment of the present invention will be described in detail with reference to the attached drawings. The terminology used in this specification is used to appropriately express preferred embodiments of the present invention, and may vary depending on the intent of the user or operator or the conventions of the field to which the present invention belongs. Therefore, the definitions of these terms should be based on the content throughout this specification. FIG. 1 is a perspective view illustrating an airbag device according to an embodiment of the present invention unfolded to surround a seated person, FIG. 2 is a plan view illustrating an airbag device according to an embodiment of the present invention unfolded to surround a seated person, FIG. 3 is an enlarged cross-sectional view illustrating the interior of part A of FIG. 2, FIG. 4 is an enlarged cross-sectional view illustrating the interior of part B of FIG. 2, FIG. 5 is an unfolded view illustrating an example of a first inner panel and a first outer panel included in the first side cushion part of FIG. 2, FIG. 6 is an unfolded view illustrating the first front cushion panel included in the first front cushion part of FIG. 2 combined with the first inner panel of FIG. 5, FIG. 7 is an unfolded view illustrating an example of a second inner panel and a second outer panel included in the second side cushion part of FIG. 2, FIG. 8 is an image illustrating the first front cushion panel included in the first front cushion part of FIG. 2 combined with the second inner panel of FIG. 7 It is a unfolded city net diagram. Referring to FIGS. 1 and 2, an airbag device (100) according to one embodiment of the present invention includes a first chamber (110) and a second chamber (210). The airbag device (100) may be a so-called surround airbag device in which the first chamber (110) and the second chamber (210) deploy to surround a seated person (1) sitting on a seat (10) of a vehicle in the event of a collision accident. For example, the first chamber (110) and the second chamber (210) may deploy to surround the upper body (3) of the seated person (1). The first chamber (110) includes a first side cushion portion (111) and a first front cushion portion (180). The second chamber (210) includes a second side cushion portion (211) and a second front cushion portion (280). The seat (10) of the vehicle includes a seat stool (11) that supports the buttocks of the seated person (1) and a seatback (20) that supports the back of the seated person (1). The first side cushion portion (111) is connected to one side of the seat back (20) and extends forward. For example, one side of the seat back (20) may be the left side of the seat back (20). The first bending portion (160) bends the first side cushion portion (111) so that the first side cushion portion (111) is bent in a direction that wraps around one side of the seated person (1) sitting on the seat (10). For example, the first bending portion (160) can bend the first side cushion portion (111) so that the firs