WO2016010010A1 - Dispositif à coussin gonflable latéral - Google Patents

Dispositif à coussin gonflable latéral Download PDF

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Publication number
WO2016010010A1
WO2016010010A1 PCT/JP2015/070085 JP2015070085W WO2016010010A1 WO 2016010010 A1 WO2016010010 A1 WO 2016010010A1 JP 2015070085 W JP2015070085 W JP 2015070085W WO 2016010010 A1 WO2016010010 A1 WO 2016010010A1
Authority
WO
WIPO (PCT)
Prior art keywords
vehicle body
airbag
locking
locking groove
baffle
Prior art date
Application number
PCT/JP2015/070085
Other languages
English (en)
Japanese (ja)
Inventor
仁一 田辺
壱晃 美馬
和寛 林
Original Assignee
テイ・エス テック株式会社
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
Priority claimed from JP2014144489A external-priority patent/JP6388802B2/ja
Priority claimed from JP2014160883A external-priority patent/JP6272180B2/ja
Priority claimed from JP2014160882A external-priority patent/JP6272179B2/ja
Application filed by テイ・エス テック株式会社 filed Critical テイ・エス テック株式会社
Publication of WO2016010010A1 publication Critical patent/WO2016010010A1/fr

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Classifications

    • 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
    • B60R21/20—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
    • B60R21/217—Inflation fluid source retainers, e.g. reaction canisters; Connection of bags, covers, diffusers or inflation fluid sources therewith or together

Definitions

  • the present invention relates to a side airbag device for reducing impact applied from the side of a vehicle body, and more particularly to a side airbag device disposed between a vehicle body and a rear seat.
  • the airbag when an airbag stored in a metal storage box is inflated with an inflator, the airbag destroys the thin wall portion of the resin base cover on the front side of the vehicle body. It is configured to bulge and expand. More specifically, when an impact of a predetermined value or more is applied from the side of the vehicle body, an impact sensor (not shown) senses, the ignition power is supplied to the inflator, and the airbag is inflated and deployed on the side of the seated person. Become.
  • the airbag module in which the airbag and the inflator were stored is provided in the side part of a rear seat, and a cushion pad is mounted in the front surface of an airbag module. It is made up of covered with a skin cover. At this time, a webbing is attached to a portion corresponding to the vehicle outer side on the back surface of the skin cover so that the bulging direction of the airbag is concentrated on the tearing portion provided on the skin cover. With the above configuration, the airbag is inflated and deployed toward the cleaving portion of the skin cover on the front side of the vehicle body.
  • a webbing that guides the direction of inflation and deployment of an airbag has one end attached to the skin cover side and the other end to the airbag module side. Installed and configured. For this reason, when the inflator is activated and the airbag is inflated, the gas pressure of the inflator is applied to the periphery of the airbag module, so that the attachment of the other end of the webbing and the airbag module side becomes unstable. Thus, there is a possibility of affecting the bulging and deploying direction of the airbag. Therefore, a technique capable of stabilizing the bulging and deploying direction of the airbag by ensuring the attachment rigidity of the bundling has been desired.
  • the storage box is made of metal in order to improve the strength, but on the other hand, it is required to change to a resin box in order to reduce the weight. Therefore, there has been a demand for a technique that can suppress the deformation of the airbag when the airbag is inflated and deployed, even if it is changed to resin.
  • This invention is made
  • Another object of the present invention is to provide a side airbag device that is disposed in a space between a vehicle body and a rear seat and is compact and simplified in assembling work.
  • Another object of the present invention is to provide a side airbag device capable of suppressing deformation around the storage box storing the airbag and the inflator when the airbag is inflated and deployed.
  • Another object of the present invention is to provide a side airbag device capable of suitably inflating and deploying an airbag without scattering a cushion pad.
  • the above-described problem is a side airbag device provided between a vehicle body and a rear seat, in which an inflatable airbag and gas are supplied into the airbag
  • the retainer member simultaneously covers the base storage portion for storing the airbag and the inflator and the force cloth locking groove for locking the other end side of the force cloth from the rear side of the vehicle body. Not only the rigidity around the part, but also the mounting rigidity of the power cloth is improved. Further, the locking member provided on the other end side of the bundling is inserted into the baffle locking groove so as to partially protrude from the bundling locking groove, and the protruding portion extends toward the retainer member. Therefore, even when gas pressure is applied around the baffle locking groove when the airbag is inflated and deployed, the baffle locking member may come out of the baffle locking groove by holding the retainer member. Can be suppressed. That is, the attachment of the bundling is stable.
  • the side airbag device is capable of stabilizing the bulging and deploying direction of the airbag toward the front side of the vehicle body. Furthermore, since the locking member on the other end side of the webbing is grained into the webbing locking groove so as to partially protrude from the webbing locking groove, the webbing locking groove of the locking member It becomes easy to attach to and remove from. Specifically, since the operator can attach and detach the forceps locking groove while gripping the protruding portion of the locking member, the assembling work is easy and stable under a situation where visual confirmation is difficult.
  • the base storage portion includes a rear wall portion disposed on the vehicle body rear side of the airbag and the inflator, and left and right sides extending continuously from the both end portions of the rear wall portion in the vehicle body width direction to the vehicle body front side.
  • the said baffle latching groove is provided in one side wall part among the said left and right side wall parts.
  • the baffle locking groove includes a bottom wall portion extending in the vehicle body width direction from the one side wall portion, and a side wall portion extending continuously from the extending portion of the bottom wall portion to the vehicle body rear side.
  • the locking member may extend toward the retainer member on the rear side of the vehicle body in a state where the locking member is inserted into the baffle locking groove.
  • the baffle extends continuously from one end portion attached to the cover member, passes through an insertion hole provided in the base member, and the other end portion is locked in the baffle locking groove.
  • the locking member includes: a first locking member that is grained into the baffle locking groove at the other end of the buffing cloth; and the baffle locking groove in the extending direction of the baffle. And a second locking member disposed between the insertion hole and the insertion hole. As described above, since the second locking member is disposed between the baffle locking groove and the insertion hole in the extending direction of the buffing cloth, the assembling work of the bundling is facilitated and the airbag is used. The bulging and unfolding direction is stabilized.
  • the second locking member may be disposed so as to be wide with respect to the opening of the insertion hole in a state in which the webbing is assembled.
  • the second locking member has a shape that is more easily hooked around the insertion hole, and as described above, the assembling work of the bedding is further facilitated, and the inflation and deployment direction of the airbag is more stable. To do.
  • the said other end side of the said bedding provides the bedding extension part extended to the said other end side rather than the said locking member.
  • the assembly work of the bundling is facilitated.
  • one end side is attached to the cover member by sewing or the like, and then the other end side is pulled and locked in a baffle locking groove provided on the airbag module side.
  • the operator pulls the other end side of the webbing when the operator grips the webbing extension extending from the locking member to the other end side, and the locking on the other side of the webbing.
  • work which latches a member to a baffle latching groove becomes easy.
  • the present invention is meaningful because it is necessary to dispose the bundling in a complicated situation in which visual confirmation is difficult. It becomes.
  • the force extending portion is formed to be thinner than the locking member.
  • the said bedding extension part it is good for the said bedding extension part to be formed so that it may become narrower than at least one of the said bedding and the said locking member.
  • the cover member covers the base member and the pad member from the vehicle body front side.
  • the baffle extends so as to cover at least a part of the pad member and passes between the pad member and the airbag.
  • the webbing extends so as to cover at least a part of the pad member and passes between the pad member and the airbag, so that the webbing inflates the airbag while protecting the pad member. It is possible to guide the unfolding direction. As a result, scattering of the pad member can be suppressed, and the airbag can be suitably inflated and deployed.
  • the one end side is attached to the skin cleaving portion provided in the skin material, and the baffle guides the bulging direction of the airbag to the skin cleaving portion side. It is good to arrange
  • the airbag can be suitably inflated toward the front side of the front side of the vehicle body by the arrangement of the guide of the force cloth and the skin tearing portion.
  • the pad member is formed with a pad opening through which the blanket can be inserted from the skin material side toward the base member side, and the pad opening and the blanket locking groove are: It is preferable that the airbags are positioned on opposite sides of the vehicle body width direction.
  • the entire length of the webbing in which one end side is attached to the skin cleaving portion and the other end side is locked by the webbing locking groove and covers the pad member, can be arranged compactly.
  • the baffle is arranged so as to pass between the pad member and the airbag, for example, the pad opening and the baffle locking groove are provided on the same side in the vehicle body width direction with respect to the airbag. Compared to the case where the padding member is formed, the area where the padding covers the pad member is not increased, and the method of extending the padding does not have to be complicated.
  • the baffle locking groove may be disposed at a position closer to the rear seat than the airbag in the vehicle width direction.
  • the airbag can be stably inflated to the front side of the vehicle body by the baffle, and the airbag deployment impact to the rear seat side where the occupant is seated can be suppressed.
  • the vehicle outer side is supported by a highly rigid vehicle body door, while the vehicle inner side is supported by a highly elastic rear seat.
  • the airbag inflating and expanding direction tends to be drawn toward the rear seat side, which is generally highly elastic in the vehicle body width direction. Therefore, if a baffle locking groove is provided at a position on the rear seat side and the rear seat side is preferentially guided by the baffle, the bulging and deploying direction of the airbag is stabilized.
  • the base storage portion includes a rear wall portion disposed on the vehicle body rear side of the airbag and the inflator, and a first extending continuously from the both end portions of the rear wall portion in the vehicle body width direction to the vehicle body front side.
  • the assembled part is preferably assembled to a wall part different from the first side wall part.
  • the baffle locking groove is provided in the first side wall portion in the base storage portion, and the assembled portion for assembling the inflator is assembled in a wall portion different from the first side wall portion. Interference can be suppressed, and the assembly work of the bundling and the inflator becomes efficient.
  • each of the skin materials is connected at the position of the skin cleavage portion, and an outer skin material disposed on the vehicle body side with respect to the skin cleavage portion, and an inner skin disposed on the rear seat side.
  • the base member is provided on the vehicle body side in the vehicle body width direction, and is provided on the rear seat side in the vehicle body width direction, and a locking claw for locking the other end portion of the outer skin material.
  • a grained groove for graining the other end of the inner skin material is formed, and one end side of the blanket is preferably attached to the inner skin material in the skin material.
  • the inner skin material side of the skin material is grained into the wood groove and the outer skin material side is locked by the locking claws, the inner skin material has a relatively higher support rigidity than the outer skin material. Lower. Therefore, by attaching a power cloth to the inner skin material, the inner skin material can be reinforced, and the support rigidity of the entire skin material is improved.
  • the retainer member improves not only the rigidity around the base storage portion but also the mounting rigidity of the force cloth.
  • the baffle locking member may come out of the baffle locking groove by holding the retainer member. Can be suppressed. That is, the attachment of the bundling is stable.
  • the side airbag device is capable of stabilizing the bulging and deploying direction of the airbag toward the front side of the vehicle body. Further, it is easy to attach and remove the locking member to the baffle locking groove.
  • the retainer member can be arranged in a compact manner, and the assembling work is facilitated.
  • the guideability of the webbing that guides the bulging and deploying direction of the airbag is improved.
  • the assembly work of the retainer member from the rear side of the vehicle body is facilitated.
  • the attachment of the baffle is stable, the bulging and deploying direction of the airbag can be stabilized.
  • the work of assembling the bundling becomes easy, and the bulging and deploying direction of the airbag is stabilized.
  • the graining work of the first locking member is significantly improved.
  • attachment of a baffle is stabilized and the expansion
  • the assembling work of the bundling is facilitated by the bundling extension portion.
  • the present invention is meaningful because it is necessary to dispose the bundling in a relatively complicated manner under a situation where visual confirmation is difficult. It will be something.
  • the assembling work of the bundling is easy and stable under a situation where visual confirmation is difficult. As a result, the direction in which the airbag is inflated and deployed can be stabilized.
  • the airbag can be suitably inflated toward the front in front of the vehicle body by the arrangement of the guide and the skin cleaving portion of the force cloth.
  • the overall length can be shortened and compactly arranged with respect to the webbing in which one end side is attached to the skin cleaving portion and the other side is locked in the webbing locking groove and covers the pad member.
  • the airbag can be stably inflated and deployed on the front side of the vehicle body, and the airbag deployment impact on the rear seat side on which the occupant is seated can be suppressed.
  • ADVANTAGE OF THE INVENTION According to this invention, it can suppress that a baffle latching groove and the to-be-assembled part of an inflator mutually interfere, and the assembly
  • the inner skin material can be reinforced by attaching the power cloth to the inner skin material among the skin materials, and the support rigidity of the entire skin material is improved.
  • FIG. 2 is a cross-sectional view taken along the line AA in FIG. 1 and shows a state in which the airbag is stored. It is a principal part enlarged view of FIG. 6, Comprising: It is a figure which shows a baffle latching groove periphery.
  • FIG. 2 is a cross-sectional view taken along the line AA in FIG. 1 and shows a state where the airbag has expanded. It is explanatory drawing of FIG. 6 which concerns on 2nd Embodiment. It is explanatory drawing of FIG. 6 which concerns on 3rd Embodiment. It is detail drawing which shows the modification of the other end part of a bundling. It is detail drawing which shows the modification of the other end part of a bundling. It is detail drawing which shows the modification of the other end part of a bundling. It is detail drawing which shows the modification of the other end part of a bundling. It is detail drawing which shows the modification of the other end part of a bundling. It is detail drawing which shows the modification of the other end part of a bundling. It is detail drawing which shows the modification of the other end part of a bundling. It is detail drawing which shows the modification of the other end part of a bundling.
  • the present embodiment is a side airbag device provided between a vehicle body door and a rear seat, and is provided in a base storage portion that stores an airbag and an inflator, and in the base storage portion, and guides a deployment direction of the airbag. And a retainer member for holding the base storage portion and the baffle locking groove from the rear side of the vehicle body. Further, the present invention relates to an invention of a side airbag device characterized in that a part of the woven cloth is projected from the force cloth locking groove and is extended so that the projecting part comes into contact with the retainer member.
  • the side airbag device S of the present embodiment is a device for alleviating an impact applied to a seated person from the side of the vehicle body, and as shown in FIG. 1, serves as a backrest portion of the rear seat 1 in the vehicle body width direction. It is disposed between the seat back 1 a and the vehicle body door 2 a of the vehicle body 2.
  • One side airbag device S is disposed on each of the left and right outer sides of the rear seat 1 in the vehicle body width direction.
  • the side airbag device S stores an inflatable airbag 10, an inflator 11 that supplies gas into the airbag 10, and a folded airbag 10 and inflator 11.
  • the retainer member 30 that holds the airbag 10 and the inflator 11 stored in the base member 20 from the rear side of the vehicle body and the inflator 11 are connected to the ignition power as shown in FIG. And a harness 40 for supplying.
  • the side airbag device S includes a pad member 50 placed at a position on the vehicle body front side of the base member 20, and a skin material that covers the base member 20 and the pad member 50 from the vehicle body front side. 60, and one end portion is sewn to the skin material 60, the other end portion is locked to the base member 20, and a force cloth 70 for guiding the bulging direction of the airbag 10 is provided.
  • the skin material 60 corresponds to a cover member in the claims.
  • the airbag 10 When an impact is applied from the side of the vehicle body, the airbag 10 is formed of a bag-like member that expands and expands in a balloon shape toward the front side of the vehicle body from the folded state shown in FIG. 6 as shown in FIG. . More specifically, the airbag 10 is inflated by being connected to the airbag 10 and supplying gas from the inflator 11 serving as a gas generation source toward the inside of the airbag 10. As shown in FIG. 2, the inflator 11 is composed of a long and substantially cylindrical gas generator, and is arranged to be long in the vertical direction.
  • the inflator 11 projects from the outer surface to the front side of the vehicle body and is connected to the inside of the airbag 10, an unillustrated airbag connecting portion, a harness connecting portion 12 formed at the upper end and connected to the harness 40, An assembly shaft portion 13 that protrudes to the side of the vehicle body from the outer surface and is assembled to the base member 20 and the retainer member 30 is provided.
  • ignition power is supplied to the inflator 11 via the harness 40 from a vehicle battery (not shown) disposed on the underside of the seated person on the vehicle body. Bulges on the side of the seated person.
  • the airbag 10 and the inflator 11 are stored in a base storage unit 24 described later provided in the base member 20.
  • the base member 20 is made of a resin frame member that serves as a substrate of the side airbag device S, and stores the airbag 10 and the inflator 11 as shown in FIG.
  • the base member 20 has a substantially inverted L shape when viewed from the side of the vehicle body, and is disposed between the seat back 1a and the vehicle body door 2a in the vehicle body width direction, and has an upper end portion and a lower end portion that are not shown. Is detachably attached.
  • the base member 20 includes a base main body 21 disposed between the rear seat 1 and the vehicle body 2, and a vehicle body continuously from both ends of the base main body 21 in the vehicle width direction. It is mainly composed of a base outer wall portion 22 and a base inner wall portion 23 that extend rearward.
  • the base body portion 21 is formed of a substantially inverted L-shaped plate member, and is integrally formed as a component slightly closer to the vehicle body outer side than the central portion in the vehicle body width direction, and is recessed toward the vehicle body rear side. And a base attachment portion 21a that is integrally formed below the base storage portion 24 and attached to a vehicle body member (not shown).
  • the base outer wall portion 22 is disposed at a portion facing the vehicle body door 2a, and a plurality of extending end portions are provided at intervals in the vertical direction, and a locking claw 22a that locks one end portion of the skin material 60.
  • the base inner wall portion 23 is disposed at a portion facing the seat back 1a, and as shown in FIG.
  • the extended end portion is provided to extend in the vertical direction, and the other end portion of the skin material 60 is provided.
  • a graining groove 23a is formed integrally.
  • the width of the base outer wall portion 22 in the longitudinal direction of the vehicle body is formed to be narrower than the width of the base inner wall portion 23.
  • the base storage portion 24 is formed of a vertically long box having an opening on the front side of the vehicle body, and includes a substantially convex inner space.
  • the airbag 10 and the inflator 11 are It is detachably stored in the internal space of the base storage unit 24.
  • the base storage portion 24 includes a rear wall portion 24a disposed on the vehicle body rear side of the airbag 10 and the inflator 11, and a vehicle body front portion continuously from both ends of the rear wall portion 24a in the vehicle body width direction.
  • the outer wall portion 24b is disposed on the vehicle outer side in the vehicle body width direction, and the inner wall portion 24c is disposed on the vehicle inner side. Note that an upper portion of the base storage portion 24 is formed with an opening provided so that the upper end portion of the inflator 11 is exposed.
  • the outer wall portion 24 b of the base storage portion 24 is provided with a cutout portion 25 that can support a part of the harness 40 at a portion facing the harness connection portion 12 of the inflator 11. .
  • the inner wall portion 24 c is formed so as to protrude two at a predetermined interval in the vertical direction, and a force cloth locking groove 27 that can lock the other end portion of the force cloth 70.
  • a base hole 28 that is formed between the two baffle locking grooves 27 and that can be inserted through the assembly shaft 13 of the inflator 11, and a base hole 28, a slit portion 28a that is continuously cut from the vehicle body 28 and through which the assembly shaft portion 13 can be inserted is provided.
  • attachment axial part 13 is corresponded to the to-be-attached part of an inflator in a claim.
  • the force cloth locking groove 27 is a groove for putting the locking member 73 sewn on the other end of the force cloth 70 into a grain, and has an opening on the vehicle body rear side.
  • the force cloth locking groove 27 includes a bottom wall portion 27a extending from the inner side wall portion 24c of the base storage portion 24 toward the vehicle inner side in the vehicle body width direction, and a side wall extending continuously from the extending portion of the bottom wall portion 27a to the vehicle body rear side. Part 27b.
  • the baffle locking groove 27 further includes an upper wall portion 27c and a lower wall portion 27d extending from the inner wall portion 24c of the base storage portion 24 to the vehicle inner side, and these bottom wall portion 27a and side wall portion 27b.
  • the upper wall portion 27c and the lower wall portion 27d and the inner wall portion 24c of the base storage portion 24 form an internal space.
  • a pair of reinforcing ribs extending in the front-rear direction of the vehicle body is provided on the inner surface of the wall portion of the baffle locking groove 27, and the support rigidity for the baffle 70 is ensured.
  • the retainer member 30 is made of a metal holding member that holds the airbag 10 and the inflator 11 from the rear side of the vehicle body, and is attached to the base storage portion 24 from the rear side of the vehicle body as shown in FIG. At the same time, the bedding locking groove 27 is arranged to be held from the rear side of the vehicle body.
  • the retainer member 30 has a substantially U-shaped cross section, and is continuously extended from the rear wall portion 30a disposed on the vehicle body rear side of the base storage portion 24 and both ends of the rear wall portion 30a in the vehicle body width direction to the vehicle body front side.
  • the outer wall part 30b and the inner wall part 30c are provided.
  • the outer wall portion 30b and the inner wall portion 30c are arranged along the outer wall portion 24b and the inner wall portion 24c of the base storage portion 24, respectively.
  • the rear wall portion 30 a extends downward from the portion that holds the base storage portion 24, and the lower extension portion is superimposed on the back surface of the base attachment portion 21 a of the base member 20.
  • a bolt is fastened to a vehicle body member (not shown) on the rear side of the vehicle body.
  • the downwardly extending portion of the rear wall portion 30a has a relief shape (escape portion) that is bent so as to follow a vehicle body shape (not shown) on the rear side of the vehicle body.
  • the outer wall 30 b is provided with a notch 31 that is formed at a portion facing the notch 25 of the base member 20 and can support a part of the harness 40.
  • the inner wall portion 30 c is formed so as to protrude two at a predetermined interval in the vertical direction, and holds the force cloth locking groove 27 to which the force cloth 70 is locked.
  • a slit 33a that is continuously cut out from the retainer hole 33 to the front of the vehicle body and through which the assembly shaft 13 can be inserted, and is formed so as to be recessed toward the inflator 11 at the peripheral portion of the retainer hole 33.
  • the fitting recessed part 34 which can be fitted is provided.
  • the force cloth holding portion 32 has a substantially L-shaped cross section and is formed by bending a part of the inner wall portion 30 c toward the vehicle interior side.
  • the webbing holding portion 32 covers the opening portion of the webbing locking groove 27 and the side wall portion 27b, and the webbing locking groove 27 and a locking member 73 at the other end of the webbing 70 described later. It is arranged at a position to hold.
  • the bedding holding portion 32 is formed with a bead corresponding to the reinforcing portion on the surface opposite to the side to which the bedding 70 is attached. Therefore, the support rigidity with respect to the bundling holding part 32 is improved.
  • the reinforcing portion in addition to the bead shape, a stepped shape or the like may be adopted.
  • the retainer hole 33 and the base hole 28 are arranged so as to communicate with each other in a state where the retainer member 30 and the base storage part 24 are assembled. Specifically, the retainer member 30 and the base storage portion 24 are assembled by fitting the fitting recess 34 of the retainer member 30 into the base hole 28.
  • the assembly shaft portion 13 of the inflator 11 is inserted through the base hole portion 28 and the retainer hole portion 33, and the insertion end portion is assembled to the assembly member 35 corresponding to the assembly nut.
  • the inflator 11, the base member 20, and the retainer member 30 are fixed. And if the assembly member 35 is assembled
  • the base storage portion 24 is formed with the slit portion 28 a, and therefore, when the inflator 11 is stored inside the base storage portion 24, the assembly shaft portion 13 of the inflator 11 is mounted. It is possible to insert a part of the inflator 11 while rotating the inflator 11 partially through the slit portion 28a while inclining obliquely. As a result, interference between the assembly shaft portion 13 and the base storage portion 24 can be suppressed, and the storage operation of the inflator 11 is facilitated.
  • the retainer member 30 is formed with the slit portion 33 a, when the retainer member 30 is mounted on the back surface of the base storage portion 24, the base storage portion of the inflator 11 is stored.
  • the assembly shaft portion 13 exposed from the base hole portion 28 of the portion 24 and the retainer member 30 can be prevented from interfering with each other, and the attaching operation of the retainer member 30 is facilitated.
  • the harness 40 is a wire harness that supplies electric power for ignition to the inflator 11, and includes a plurality of electric wires combined with a corrugated tube and a coupler attached to the end.
  • the harness 40 is a vehicle battery in which an upper end portion 41 is connected to a harness connecting portion 12 at an upper end portion of the inflator 11 and a lower end portion 42 is disposed on the lower side of a seated person on the vehicle body. It is connected and extends so as to be long in the vertical direction.
  • the harness 40 extends from the upper end portion 41 connected to the harness connection portion 12 of the inflator 11 to the outside in the vehicle body width direction, and the notch portion 25 of the base storage portion 24 and the retainer member 30. An upper end portion is attached to and supported by the notch 31.
  • the corrugated tube is wound around the outer surface of the harness 40 to form a concavo-convex shape, and the harness 40 and the notches 25 and 31 are hooked together to position and support the harness 40. Can be made.
  • the pad member 50 is made of a cushion material placed between the base member 20 and the skin material 60, and is disposed over the entire front surface of the base member 20 on the vehicle body side.
  • the pad member 50 is connected to the base member 20 by being fixed to a pad mounting portion (not shown) provided on the base member 20. More specifically, the pad member 50 is formed with a pad opening 51 penetrating in the longitudinal direction of the vehicle body at a portion facing the base storage portion 24, more specifically, at a portion facing the outer wall portion 24 b of the base storage portion 24. Has been.
  • the pad member 50 is integrally provided with an outer pad member 50 a disposed on the vehicle outer side than the pad opening 51 and an inner pad member 50 b disposed on the vehicle inner side than the pad opening 51.
  • the pad opening 51 is an opening portion that is long in the vertical direction, and a webbing 70 is inserted from the skin material 60 side toward the base member 20 side.
  • the pad opening 51 and the baffle locking groove 27 are located on the opposite sides of the airbag 10 in the vehicle body width direction.
  • the pad member 50 when the airbag 10 is inflated and deployed as shown in FIG. 9, the pad member 50 is divided into an outer pad member 50a and an inner pad member 50b with the pad opening 51 as a branch point in the vehicle body width direction. Is done. At this time, since the bulging direction of the airbag 10 is guided by the webbing 70, the airbag 10 can be deployed without scattering a part of the pad member 50 in front of the vehicle body of the base storage portion 24. . More specifically, after the airbag 10 is inflated and deployed, the outer pad member 50a is provided without substantially moving from a predetermined position, and a part of the inner pad member 50b is deployed to the front side of the vehicle body together with the force cloth 70. Will be.
  • the skin material 60 corresponds to a cover member that covers the base member 20 and the pad member 50 from the front side of the vehicle body, and is located at a substantially central portion in the vehicle body width direction and at the central portion of the base storage portion 24.
  • a skin cleaving portion 61 that is cleaved when the airbag 10 is inflated is formed.
  • One end of the skin material 60 is connected at the position of the skin cleaving portion 61, an outer skin material 62 disposed on the vehicle outer side with respect to the skin cleaving portion 61, an inner skin material 63 disposed on the vehicle inner side, Consists mainly of.
  • the other end portion of the outer skin material 62 on the vehicle outer side is locked in the vertical direction to the locking claw 22 a of the base outer wall portion 22, and the other end portion of the inner skin material 63 on the vehicle inner side includes the grain of the base inner wall portion 23.
  • Wood is embedded in the groove 23a.
  • a locking hole for locking the locking claw 22a is formed in the other end portion of the outer skin material 62 in the vertical direction, and the other skin portion of the inner skin material 63 includes a grain.
  • a leather trim cord is sewn into the groove 23a.
  • the skin material 60 is deployed by being divided into an outer skin material 62 and an inner skin material 63 with the skin cleaving portion 61 as a branch point.
  • the skin cleaving portion 61 is disposed at a position overlapping the airbag 10 in the vehicle body width direction.
  • the force cloth 70 is made of a cloth member that guides the inflating and deploying direction of the airbag 10 to the front side of the vehicle body. As shown in FIG. 6, the force cloth 70 has one end 71 attached to the skin cleaving portion 61 of the skin material 60, and extends continuously from the one end 71 so as to cover the pad member 50. The other end 72 is locked to the provided force cloth locking groove 27.
  • the webbing 70 continuously extends from the one end portion 71 sewn around the skin cleaving portion 61 on the inner skin material 63 side to the vehicle outer side along the front surface of the inner pad member 50b. It reaches the portion facing the opening 51.
  • the webbing 70 passes through the pad opening 51 and continuously extends along the vehicle outer surface and the rear surface of the inner pad member 50b, and is inserted into the insertion hole 29 provided in the inner wall portion 24c of the base storage portion 24. Has reached. At this time, the webbing 70 extends so as to pass between the pad member 50 and the airbag 10 in the longitudinal direction of the vehicle body.
  • the force cloth 70 passes through the insertion hole 29 and continuously extends to the force cloth locking groove 27 and is locked to the force cloth locking groove 27.
  • the other end portion 72 of the force cloth 70 has an engaging member 73 for entering the grain in the force cloth engaging groove 27 and a force cloth extending portion extending to the other end side from the engaging member 73. 74 is provided.
  • the locking member 73 is a leather trim cord having a substantially rectangular plate shape, and is sewn to the other end portion 72 of the force cloth 70 as shown in FIGS.
  • the first locking member 73a to be grained and the second locking member 70 is sewn to the other end side of the force cloth 70, and is disposed between the force cloth locking groove 27 and the insertion hole 29 in the extending direction of the force cloth 70. 2 locking members 73b.
  • the first locking member 73 a is grained into the force cloth locking groove 27 so as to partially protrude from the force cloth locking groove 27, and the protruding portion is on the rear side of the vehicle body. It extends toward the retainer member 30. More specifically, the first locking member 73a is in a state in which the first locking member 73a is engraved in the baffle locking groove 27, and one end in the graining direction contacts the bottom wall portion 27a of the baffle locking groove 27 via the bundling 70. It is arranged to touch. Further, the overhanging portion that is the other end in the graining direction is disposed so as to abut on the webbing holding portion 32 of the retainer member 30.
  • the first locking member 73 a is engraved so as to be wrapped in the webbing 70 in the internal space of the webbing locking groove 27. Therefore, the attachment strength of the webbing 70 is improved, and the guideability of the webbing 70 that guides the bulging and deploying direction of the airbag 10 is improved.
  • the thickness of the first locking member 73 a is smaller than the opening width of the insertion hole 29. Further, the width of the first locking member 73a in the longitudinal direction is smaller than the opening length of the insertion hole 29 in the width direction of the webbing 70 (the width direction orthogonal to the extending direction of the webbing 70). Therefore, the first locking member 73a can be inserted into the insertion hole 29 relatively easily when the force cloth 70 is inserted through the insertion hole 29.
  • the second locking member 73 b is disposed on the vehicle body rear side of the insertion hole 29. More specifically, the second locking member 73 b is sandwiched between the periphery of the insertion hole 29 and the retainer member 30 in the longitudinal direction of the vehicle body. And it arrange
  • the thickness of the second locking member 73 b is smaller than the opening width of the insertion hole 29.
  • the width in the longitudinal direction of the second locking member 73 b is larger than the opening length of the insertion hole 29 in the width direction of the webbing 70. That is, when the force cloth 70 is assembled, the second locking member 73 b is supported in a state of being caught around the insertion hole 29 without being relatively easily removed from the insertion hole 29.
  • the second locking member 73b When the second locking member 73b is inserted through the insertion hole 29, the second locking member 73b may be inserted with the second locking member 73b slightly inclined with respect to the extending direction of the webbing 70.
  • the force cloth extending portion 74 is a cloth member continuously extending from the other end portion 72 of the force cloth 70, and becomes narrower than the other end portion 72 of the force cloth 70, as shown in FIG. Are integrally formed. More specifically, the tip 74a of the bundling extension portion 74 is formed in a substantially semicircular shape (semi-elliptical shape) so as to become gradually narrower along the extending direction. Therefore, when the operator pulls the other end portion 72 of the force cloth 70 to be inserted into the insertion hole 29 from the front side of the vehicle body, the operator extends the force cloth extension portion 74 first through the insertion hole 29 and pulls it from the rear side of the vehicle body. Thus, the assembling work of the bundling 70 is improved.
  • the thickness of the force extending portion 74 is smaller than the opening width of the insertion hole 29, and the width of the force extending portion 74 is smaller than the opening length of the insertion hole 29.
  • the total length of the force extending portion 74 in the extending direction is larger than the depth of the insertion hole 29 in the hole direction. Therefore, it becomes easier for the operator to insert the force-applying extension portion 74 first through the insertion hole 29 from the front side of the vehicle body and pull it from the rear side of the vehicle body. As a result, the assembling work of the bundling 70 is remarkably improved.
  • the webbing 70 guides the direction of inflation of the airbag 10 toward the skin cleaving portion 61 side of the skin material 60. Further, the one end 71 side of the force cloth 70 is deployed on the front side in the vehicle longitudinal direction together with the inner pad member 50b and the inner skin material 63, and is deployed on the vehicle inner side in the vehicle width direction.
  • the second locking member 73b sewn on the other end side of the webbing 70 is supported in a state of being hooked around the insertion hole 29. Therefore, it can suppress that the 1st latching member 73a slips out from the bedding latching groove 27, the attachment of the bedding 70 is stabilized, and the expansion
  • the base hole portion 128 provided in the outer wall portion 124b and the bedding locking groove 127 provided in the inner wall portion 124c are arranged at positions that do not overlap in the vertical direction.
  • a retainer member 130 for holding the airbag 10 and the inflator 11 from the rear side of the vehicle body is mounted on the back surface of the base storage portion 124.
  • the base hole portion 128 into which the inflator 11 is assembled and the force cloth locking groove 127 to which the force cloth 70 is locked are formed in different wall portions, so that they interfere with each other. Suppressing and compact arrangement. Further, since the assembly shaft portion 13 of the inflator 11 is disposed at a position outside the vehicle with respect to the inflator 11 and becomes a position where it is relatively easy to secure a space, space saving and efficiency of assembling the bundling 70 are achieved. Can be realized.
  • the side airbag device S according to the third embodiment is different from the second embodiment in that the pad member 50 is not placed between the base member 120 and the skin material 60. For this reason, the skin material 60 is disposed in contact with the front surface of the base member 120, and the bedding 170 does not need to cover the pad member 50 and is attached with a relatively short length.
  • the baffle 170 has one end portion 171 attached to the skin cleaving portion 61 of the skin material 60, and extends from the one end portion 171 continuously along the airbag 10 before inflating at a substantially shortest distance, The other end portion 172 is locked to the force cloth locking groove 127 provided in the base storage portion 124.
  • the force cloth 170 is disposed on the vehicle interior side in the vehicle body width direction with respect to the airbag 10 and the inflator 11 in the base storage portion 124.
  • the side airbag device S can be made compact by making the pad member 50 unnecessary, and the assembling work of the bundling 170 can be further simplified.
  • the baffle locking groove 27 is formed as a groove for placing the locking member 73 at the other end of the buffing cloth 70, but is limited to the groove. Instead, as long as the locking member 73 of the webbing 70 can be locked, a penetrating locking hole, a locking claw, or a locking projection may be used.
  • the baffle locking groove 27 is provided in the inner wall portion 24 c in the base storage portion 24, but is not limited thereto, and the outer wall portion 24 b and the rear wall portion 24 c are not limited thereto. It may be provided on the wall portion 24 a or may be provided at a predetermined position on the base member 20. However, it is preferable that the baffle locking groove 27 is formed on the vehicle interior side in the vehicle body width direction in the base storage portion 24 rather than the airbag 10 and the inflator 11. This is because the airbag 10 can be more stably inflated and deployed to the front side of the vehicle body by the force cloth 70.
  • the outer wall portion 24b side is supported by the relatively rigid vehicle body door 2a, while the inner wall portion 24c side is compared. It is supported by the rear seat 1 having high elastic elasticity. Then, the bulging and deploying direction of the airbag 10 tends to be drawn toward the rear seat 1 side having high elasticity in the vehicle body width direction. Therefore, if the bedding locking groove 27 is provided on the inner wall portion 24c side and the inner wall portion 24c side is preferentially guided by the bedding 70, the bulging and deploying direction of the airbag 10 is stabilized.
  • attachment axial part 13 of the inflator 11 is assembled
  • the assembly shaft portion 13 is preferably assembled to the inner wall portion 24c side of the base storage portion 24 in the vehicle body width direction. This is because the support rigidity on the inner wall portion 24c side of the base storage portion 24 is improved, so that the inflation and deployment direction of the airbag 10 is stabilized as described above.
  • the force cloth 70 is formed of a cloth material, but a known material having relatively high elasticity such as a leather material or a resin material can be used as the guide member in addition to the cloth material.
  • the locking member 73 is formed as a leather trim cord.
  • the locking member 73 may be made of resin, or a known member may be used as long as it can be textured into the baffle locking groove 27. Is possible.
  • the 1st latching member 73a is put in the cloth cloth latching groove 27 at the time of the normal state before the airbag 10 inflates and expands.
  • the retainer member 30 may be disposed at a predetermined interval from the retainer member 30.
  • the gas pressure is applied as the airbag 10 is inflated and deployed, and the first locking member 73a is disposed so as to come into contact with the retainer member 30 when moving in the direction of coming out of the forceps locking groove 27.
  • variety of the elongate direction of the 2nd locking member 73b is larger than the opening length of the insertion hole 29, it does not necessarily need to be wide. .
  • the second locking member 73b is disposed between the force cloth locking groove 27 and the insertion hole 29 in the extending direction of the power cloth, the assembling work of the power cloth is compared with the conventional case. Becomes easier.
  • variety of the elongate direction of the 1st latching member 73a and the 2nd latching member 73b becomes wider than the width
  • the width in the longitudinal direction of the first locking member 73a is narrower than the width of the second locking member 73b, the width is not limited to this and can be changed as appropriate.
  • the width in the longitudinal direction of the first locking member 73a and the second locking member 73b may be substantially the same.
  • variety of the short direction (extension direction of a bedding) of the 1st locking member 73a and the 2nd locking member 73b may be substantially the same.
  • the first locking member 73a may be narrower or wider in the short direction than the second locking member 73b.
  • the first locking member 73a is wider in the longitudinal direction than the second locking member 73b, and the width in the longitudinal direction of the second locking member 73b is a force.
  • the width of the other end portion 72 of the cloth 70 may be substantially the same.
  • variety of the short direction of the 1st locking member 73a and the 2nd locking member 73b may be substantially the same, and it is like FIG.13 (b), (c).
  • the first locking member 73a may be narrower or wider in the short direction than the second locking member 73b.
  • the first locking member 73a is narrower in the longitudinal direction than the second locking member 73b, and the width of the first locking member 73a in the longitudinal direction is smaller. It may be substantially the same as the width of the other end portion 72 of the force cloth 70. And as shown to Fig.14 (a), the width
  • the bundling extension part 74 consists of the cloth member integrally provided in the other end part 72 of the bundling 70, it is not limited to this, leather A known material having relatively high elasticity such as a material or a resin material may be attached separately.
  • the skin cleaving part 61 is arrange
  • the skin cleaving part 61 And the baffle locking groove 27 may be arranged so as to be opposite to each other in the vehicle body width direction with respect to the airbag 10.
  • the baffle latching groove 27 is arrange
  • they may be arranged at positions opposite to each other with respect to the airbag 10. Even if comprised in this way, the full length of the webbing 70 which passes between the airbag 10 and the pad member 50 can be shortened, and it can extend compactly.
  • the webbing 70 is disposed at a position as shown in FIG. 6 as a guide member for guiding the bulging direction of the airbag 10 between the airbag 10 and the pad member 50.
  • the baffle 70 has one end 71 attached to a predetermined position of the skin material 60, the other end 72 attached to a predetermined position of the base member 20, and extends so as to cover a part of the pad member 50. What is necessary is just to pass between the bag 10 and the pad member 50.
  • the pad member 50 is formed as an integral thing, it is not limited to this,
  • the outer pad member 50a and the inner pad member 50b are formed as a different thing. May be.
  • the pad member 50 should just be mounted in the vehicle body front side position of the base storage part 24 among the base members 20 at least.
  • the front surface of the vehicle body of the side airbag device S is not partially recessed, and a substantially flush outer surface can be formed.
  • the side airbag device S used for the rear seat of the automobile has been described as a specific example.
  • the present invention is not limited thereto, and may be used for the front seat of the automobile, train, bus, etc. It may be used as a vehicle seat, or may be used as a vehicle seat for airplanes, ships, and the like.
  • the side airbag device S according to the present invention has been mainly described.
  • said embodiment is only an example for making an understanding of this invention easy, and does not limit this invention.
  • the present invention can be changed and improved without departing from the gist thereof, and the present invention includes the equivalents thereof.

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

Abstract

L'invention concerne un dispositif à coussin gonflable latéral permettant de stabiliser la direction d'expansion et de déploiement d'un coussin gonflable. Le dispositif à coussin gonflable latéral selon l'invention (S) est disposé entre une carrosserie de véhicule et un siège arrière et comprend: une section de stockage de base (24) permettant de stocker un coussin gonflable (10) et un gonfleur (11); un tissu de renforcement (70) permettant de guider la direction de déploiement du coussin gonflable (10); une rainure de verrouillage de tissu de renforcement (27) dans laquelle un élément de verrouillage (73) situé au niveau d'une autre extrémité (72) du tissu de renforcement (70) est poussé; et un élément de retenue (30) permettant de retenir la section de stockage de base (24) et la rainure de verrouillage de tissu de renforcement (27) à partir d'un côté arrière du véhicule. L'élément de verrouillage (73) est poussé dans la rainure de verrouillage de tissu de renforcement (27) de manière à faire partiellement saillie à partir de celle-ci et s'étend de sorte que la partie saillante vienne buter sur l'élément de retenue (30).
PCT/JP2015/070085 2014-07-14 2015-07-13 Dispositif à coussin gonflable latéral WO2016010010A1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP2014-144489 2014-07-14
JP2014144489A JP6388802B2 (ja) 2014-07-14 2014-07-14 サイドエアバッグ装置
JP2014-160882 2014-08-06
JP2014160883A JP6272180B2 (ja) 2014-08-06 2014-08-06 サイドエアバッグ装置
JP2014-160883 2014-08-06
JP2014160882A JP6272179B2 (ja) 2014-08-06 2014-08-06 サイドエアバッグ装置

Publications (1)

Publication Number Publication Date
WO2016010010A1 true WO2016010010A1 (fr) 2016-01-21

Family

ID=55078500

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2015/070085 WO2016010010A1 (fr) 2014-07-14 2015-07-13 Dispositif à coussin gonflable latéral

Country Status (1)

Country Link
WO (1) WO2016010010A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000016219A (ja) * 1998-06-30 2000-01-18 Denso Corp エアバッグ装置
JP2009040328A (ja) * 2007-08-10 2009-02-26 Toyoda Gosei Co Ltd サイドエアバッグ装置
WO2012035619A1 (fr) * 2010-09-14 2012-03-22 トヨタ自動車株式会社 Structure de fixation de dispositif de coussin gonflable latéral arrière pour véhicule

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000016219A (ja) * 1998-06-30 2000-01-18 Denso Corp エアバッグ装置
JP2009040328A (ja) * 2007-08-10 2009-02-26 Toyoda Gosei Co Ltd サイドエアバッグ装置
WO2012035619A1 (fr) * 2010-09-14 2012-03-22 トヨタ自動車株式会社 Structure de fixation de dispositif de coussin gonflable latéral arrière pour véhicule

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