WO2023185000A1 - Dispositif de coussin de sécurité gonflable et ensemble - Google Patents

Dispositif de coussin de sécurité gonflable et ensemble Download PDF

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Publication number
WO2023185000A1
WO2023185000A1 PCT/CN2022/132266 CN2022132266W WO2023185000A1 WO 2023185000 A1 WO2023185000 A1 WO 2023185000A1 CN 2022132266 W CN2022132266 W CN 2022132266W WO 2023185000 A1 WO2023185000 A1 WO 2023185000A1
Authority
WO
WIPO (PCT)
Prior art keywords
airbag
seat
flexible
airbag device
air bag
Prior art date
Application number
PCT/CN2022/132266
Other languages
English (en)
Chinese (zh)
Inventor
洪丹
周晓雷
丁晖
王侃
Original Assignee
奥托立夫开发公司
洪丹
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 奥托立夫开发公司, 洪丹 filed Critical 奥托立夫开发公司
Publication of WO2023185000A1 publication Critical patent/WO2023185000A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/18—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags the inflatable member formed as a belt or harness or combined with a belt or harness arrangement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/20—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
    • B60R21/207—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in vehicle seats
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/23—Inflatable members
    • B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
    • B60R21/233—Inflatable members characterised by their shape, construction or spatial configuration comprising a plurality of individual compartments; comprising two or more bag-like members, one within the other

Definitions

  • the present invention relates to vehicle safety devices and, in particular, to airbag devices and assemblies.
  • Various safety devices are widely used in existing vehicles to protect the occupants.
  • Common safety devices include seat belts and airbags.
  • Seat belts also known as seat belts, are used to restrain the occupants during a collision and prevent secondary collisions between the occupants and the steering wheel and instrument panel during a collision, or to prevent the occupants from rushing out of the vehicle during a collision, resulting in death or injury.
  • This kind of seat belt which is an occupant restraint device, is recognized as the cheapest and most effective safety device. Many countries require the equipment of vehicles to be equipped with seat belts.
  • the airbags include, for example, airbags arranged in the steering wheel, airbags arranged in the dashboard, and overhead airbags arranged on the roof of the vehicle.
  • the airbag's inflator receives a signal transmitted via a wiring harness connected to the inflator, causing it to explode. Then, the gas generated by the explosion will quickly inflate the folded airbag of the airbag, and the inflated airbag will expand to protect the occupants from injuries caused by impact.
  • each safety device can obtain the best protection effect when working at the same time, it is desired to provide a safety device that integrates multiple protection functions.
  • the object of the present invention is to provide an airbag device and assembly integrating multiple protective functions.
  • One aspect of the present invention provides an airbag device, which includes an airbag and a flexible accommodation part.
  • the airbag has a stowed state and a deployed state, and is accommodated in the flexible accommodating part when the airbag is in the stowed state.
  • a force weak area is provided on the surface of the flexible receiving part, and webbings are respectively provided on the opposite first and second sides of the flexible receiving part, and on the connection between the first side and the second
  • a gas generator is provided at the third side of the side, and the gas generator is used to inflate the air bag under predetermined conditions, so that the air bag expands to the outside of the flexible accommodation part through the force weak zone, as well as,
  • the flexible receiving parts are arranged in pairs and the two are connected via a connecting piece.
  • the air bag in the deployed state, includes a main chamber, an upper chamber located above it, and a lower chamber located below it.
  • the main chamber, the upper chamber and the The lower chambers are in fluid communication with each other.
  • a drawstring is provided in the air bag, and one end of the drawstring is fixed to the inner side of the main chamber, and the other end of the drawstring is fixed to the the inner side of the upper chamber.
  • the force-weakened area is configured as a tear line.
  • the connecting piece is configured as a zipper.
  • a sensor is provided on the zipper for detecting whether the airbag device is correctly worn.
  • the predetermined conditions include a side collision when the vehicle speed is greater than 60km/h, a frontal collision when the vehicle speed is greater than 50km/h, or a frontal offset collision when the vehicle speed is greater than 64km/h.
  • an airbag assembly which includes a seat and an airbag device fixed on the seat, wherein the airbag device includes an airbag and a flexible receiving portion, and the airbag has The stowed state and the unfolded state, when the air bag is in the stowed state, it is accommodated in the flexible accommodation part,
  • a force weak area is provided on the surface of the flexible receiving part, and webbings are respectively provided on the opposite first and second sides of the flexible receiving part, and on the connection between the first side and the second
  • a gas generator is provided at the third side of the side, and the gas generator is used to inflate the air bag under predetermined conditions, so that the air bag expands to the outside of the flexible accommodation part through the force weak zone, to protect the occupants of said seats, and
  • the flexible receiving parts are arranged in pairs and the two are connected via a connecting piece,
  • the flexible receiving part is respectively fixed to the backrest and seat cushion of the seat via the webbing on both sides, and at least a part of the third side is fixed to the seat, so that between the flexible receiving part and A first opening is formed between the backrests, and a second opening is formed between the flexible receiving part and the seat cushion.
  • a retractor for retracting the webbing is fixed on the seat frame of the seat.
  • the air bag in the deployed state, includes a main chamber, an upper chamber located above it, and a lower chamber located below it.
  • the upper chamber, the main chamber and the The lower chambers are respectively used to protect the head, chest and abdomen of passengers located on the seat.
  • the retractor is configured to have the function of pre-tightening the webbing under the predetermined condition.
  • the gas generator and the air bag are fixed together via a clamp, and are fixed to the seat frame of the seat via a fixed bracket.
  • Figure 1 schematically shows an airbag assembly in a first state according to an embodiment of the present invention.
  • Figure 2 schematically shows an airbag assembly in a second state according to an embodiment of the present invention.
  • spatially relative terms such as “upper”, “lower”, “left” and “right”, etc. are used to describe the relative position of one element to another element illustrated in the drawings. Accordingly, spatially relative terms may be applied to uses in directions other than those illustrated in the figures. It will be apparent that, although for ease of explanation, all such spatially relative terms refer to the directions shown in the figures, those skilled in the art will understand that directions different from those shown in the figures may be used.
  • Figure 1 schematically shows an airbag assembly in a first state according to an embodiment of the present invention.
  • Figure 2 schematically shows an airbag assembly in a second state according to an embodiment of the present invention.
  • An airbag assembly according to an embodiment of the present invention is described below with reference to FIGS. 1 and 2 .
  • the airbag assembly 1 includes a seat 10 and an airbag device 20 fixed on the seat 10 . Therefore, the airbag device 20 of the present invention is fixed on the seat 10 It is then non-detachable, in other words, the airbag device 20 and the seat 10 are connected to each other in a non-detachable manner. It can be understood that the above-mentioned non-detachable connection method between the airbag device and the seat can ensure that the connection between the two is very strong and not easily damaged, which is conducive to ensuring that the airbag device provides reliable protection for the passengers on the seat. .
  • the airbag device and seat are described in more detail below.
  • the airbag device 20 of the present invention includes an airbag 30 (shown in FIG. 2 ) and a flexible receiving portion 21 (shown in FIG. 1 ), the flexible receiving portions 21 being arranged in pairs and both via Connector 40 (eg, zipper) connects.
  • Connector 40 eg, zipper
  • FIGS. 1 and 2 that the flexible receiving portions 21 arranged in pairs are arranged side by side on the left and right in the width direction of the seat 10 (that is, in the width direction of the vehicle) and can be connected via the connector 40 together.
  • the accommodation part in the present invention is limited to the flexible accommodation part 21 so that it can fit the passengers softly.
  • the flexible accommodating part 21 on the left side in the figure is mainly described below with reference to the accompanying drawings.
  • the flexible accommodating part on the right side of the figure is exactly the same as the flexible accommodating part on the left side. Therefore, the description with reference to the flexible accommodating part on the left side is equally applicable.
  • the flexible receiving part on the right side is mainly described below with reference to the accompanying
  • FIGS. 1 and 2 the air bag 30 has a stored state and a deployed state.
  • the airbag assembly being in the first state refers to the stowed state of the airbag
  • the airbag assembly being in the second state refers to the deployed state of the airbag. Therefore, similarly, FIG. 1 shows a schematic diagram of the air bag 30 when it is in the stowed state. As shown in FIG. 1 , when the air bag 30 is in the stowed state, it is accommodated in the flexible receiving part 21 .
  • Figure 2 shows a schematic diagram of the air bag 30 in the deployed state.
  • the air bag in the deployed state is located on the front side of the passenger, that is, between the passenger, the instrument panel and the windshield to protect the occupants. Protected from impact damage.
  • a force weak area 211 is provided on the surface of the flexible accommodation part 21. When the air bag 30 is inflated, it will continue to exert force on the force weak area 211 until this area is destroyed and an opening appears. From this force weak area, 211 expands toward the outside of the flexible receiving portion 21 to protect the occupants located on the seat 10 .
  • webbings 22 are respectively provided on the opposite first side 21A (the upper side in the figure) and the second side 21B (the lower side in the figure) of the flexible accommodation part 21 , that is, at the upper part near the shoulder of the occupant. and the lower webbing 22 located near the lower limbs of the occupant, and one end of the upper webbing 22 is fixedly connected to the flexible receiving portion 21, and the other end of the upper webbing 22 is fixed to the seat frame of the seat 10 On the fixed retractor, so that the webbing 22 can be wound onto the retractor or pulled out from the retractor, one end of the lower webbing 22 is also fixedly connected to the receiving portion 21 and the other end is Fixed to the seat cushion 12 of the seat 10 .
  • the flexible receiving portion 21 is respectively fixed to the backrest 11 and the seat cushion 12 of the seat 10 via the webbing 22 on both sides.
  • a gas generator (not shown) is provided at the third side connecting the first side 21A and the second side 21B (ie, the side close to and at least partially fixed to the backrest 11), and the gas generator is
  • the air bag 30 is inflated under predetermined conditions, so that the air bag 30 is inflated and deployed toward the outside of the flexible accommodation portion 21 via the weak force area 211 .
  • a first opening is formed between the backrest 11 of the seat 10 and the flexible receiving portion 21 (including the webbing 22 fixed at its first side 21A) through which the upper limbs of the occupant can pass.
  • the airbag device 20 of the present invention can be worn by the occupant in the form of a "jacket". Specifically, when the connector 40 does not connect the pairs of flexible receiving portions 21 together, the passenger sits behind the seat, passes the two upper limbs through the first openings on both sides of the backrest 11 of the seat 10, and then uses the connection The piece 40 connects the pairs of flexible receiving parts 21 together, and at the same time, the passenger's lower limbs will be located in the second opening. Therefore, the airbag device of the present invention can be used in a manner similar to wearing a jacket, and its use method is simple and easy to operate.
  • the airbag 30 in the deployed state, includes a main chamber 31, an upper chamber 32 located above it, and a lower chamber 33 located below it.
  • the three chambers are respectively used to protect the head of the occupant. , chest and abdomen, in one example, the main chamber 31 , the upper chamber 32 and the lower chamber 33 are in fluid communication with each other.
  • a drawstring (not shown) is provided inside the airbag 30 , the drawstring is used to define the shape of the airbag 30 when deployed, and one end of the drawstring is fixed to the main chamber 31 and the other end of the drawstring is fixed to the inner side of the upper chamber 32 to control the thickness of the air bag 30 at the upper chamber 32 and the main chamber 31 .
  • a seat belt function is provided by providing a webbing to restrain the occupant during a collision, and to prevent the occupant from interfacing with the steering wheel and instrument during a collision. It also provides an airbag function. When the vehicle collides or is impacted, the airbag will be quickly inflated, and the inflated airbag will expand to protect the occupants. Protected from impact damage.
  • the airbag device and assembly of the present invention can provide reliable protection at all angles of the backrest relative to the seat cushion, because the airbag and seat belt are integrated together with the backrest of the seat relative to the seat cushion.
  • the airbag device of the present invention can always move synchronously with the passenger on the seat to ensure that the relative position (including distance and angle) to the passenger remains unchanged.
  • the existing passenger airbag which is usually installed in the dashboard
  • the existing passenger airbag has the problem of being too far away from the passenger when deployed. It fails to protect passengers from risks.
  • the force weak area is configured as a tear line.
  • the connecting member is described above as a zipper.
  • the connecting member may also be in other forms, such as buttons.
  • a sensor is provided on the zipper for detecting whether the airbag device is correctly worn.
  • the zipper can emit a beep when it is not put on correctly to remind passengers to put on the airbag device.
  • the retractor is configured to have the function of pre-tightening the webbing under the predetermined condition. That is, the arrangement of the retractor makes the webbing a pre-tensioned seat belt, which can be tightened when, for example, the vehicle speed changes sharply, strengthening the restraint on the passengers, and locking the webbing to prevent the passengers from leaning forward, effectively protecting the passengers. the safety of passengers.
  • the predetermined conditions include a side collision when the vehicle speed is greater than 60km/h, a frontal collision when the vehicle speed is greater than 50km/h, or a frontal offset collision when the vehicle speed is greater than 64km/h.
  • the gas generator and the air bag are fixed together through a clamp, and are fixed to the seat frame of the seat through a fixed bracket.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Air Bags (AREA)

Abstract

L'invention concerne un dispositif de coussin de sécurité gonflable, comprenant un coussin de sécurité gonflable (30) et des parties de logement flexibles (21), le coussin de sécurité gonflable (30) présentant un état stocké et un état d'expansion, et lorsque le coussin de sécurité gonflable (30) est dans l'état stocké, le coussin de sécurité gonflable étant logé dans les parties de logement flexibles (21) ; une surface de chaque partie de logement flexible (21) étant pourvue d'une zone de force faible (211) ; des rubans tissés (22) étant respectivement fournis sur un premier côté (21A) et un deuxième côté (21B), qui sont opposés l'un à l'autre, de chaque partie de logement flexible (21) ; un générateur de gaz étant prévu sur un troisième côté relié au premier côté (21A) et au deuxième côté (21B) ; le générateur de gaz étant configuré pour gonfler le coussin de sécurité gonflable (30) dans des conditions prédéterminées, de sorte que le coussin de sécurité gonflable (30) s'étende vers le côté extérieur de chaque partie flexible de logement (21) via la zone de force faible (211) ; et les parties flexibles de logement étant disposées par paires et étant reliées les unes aux autres au moyen d'un connecteur. L'invention concerne en outre un ensemble coussin de sécurité gonflable. Le dispositif de coussin de sécurité gonflable et l'ensemble possèdent une pluralité de fonctions de protection.
PCT/CN2022/132266 2022-03-30 2022-11-16 Dispositif de coussin de sécurité gonflable et ensemble WO2023185000A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202220723189.7U CN217435673U (zh) 2022-03-30 2022-03-30 安全气囊装置和组件
CN202220723189.7 2022-03-30

Publications (1)

Publication Number Publication Date
WO2023185000A1 true WO2023185000A1 (fr) 2023-10-05

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PCT/CN2022/132266 WO2023185000A1 (fr) 2022-03-30 2022-11-16 Dispositif de coussin de sécurité gonflable et ensemble

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WO (1) WO2023185000A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN217435673U (zh) * 2022-03-30 2022-09-16 奥托立夫开发公司 安全气囊装置和组件

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3865398A (en) * 1973-02-05 1975-02-11 Toni Woll Expandable crash-restraining means
US20020130507A1 (en) * 2000-09-29 2002-09-19 Kim Hyun S. Supplemental restraint system
CN1733535A (zh) * 2004-08-09 2006-02-15 日产自动车株式会社 车辆乘员防护系统和方法
JP2008290698A (ja) * 2007-04-27 2008-12-04 Takata Corp シートベルト装置
US20200254953A1 (en) * 2019-02-08 2020-08-13 Indiana Mills & Manufacturing, Inc. Modular restraint seat for vehicle with one or more integrated safety features
EP3696028A1 (fr) * 2019-02-15 2020-08-19 Autoliv Development AB Système de retenue d'occupant
CN217435673U (zh) * 2022-03-30 2022-09-16 奥托立夫开发公司 安全气囊装置和组件

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3865398A (en) * 1973-02-05 1975-02-11 Toni Woll Expandable crash-restraining means
US20020130507A1 (en) * 2000-09-29 2002-09-19 Kim Hyun S. Supplemental restraint system
CN1733535A (zh) * 2004-08-09 2006-02-15 日产自动车株式会社 车辆乘员防护系统和方法
JP2008290698A (ja) * 2007-04-27 2008-12-04 Takata Corp シートベルト装置
US20200254953A1 (en) * 2019-02-08 2020-08-13 Indiana Mills & Manufacturing, Inc. Modular restraint seat for vehicle with one or more integrated safety features
EP3696028A1 (fr) * 2019-02-15 2020-08-19 Autoliv Development AB Système de retenue d'occupant
CN217435673U (zh) * 2022-03-30 2022-09-16 奥托立夫开发公司 安全气囊装置和组件

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