WO2003095272A1 - Structure de tableau de bord destinee a des vehicules - Google Patents
Structure de tableau de bord destinee a des vehicules Download PDFInfo
- Publication number
- WO2003095272A1 WO2003095272A1 PCT/JP2003/005856 JP0305856W WO03095272A1 WO 2003095272 A1 WO2003095272 A1 WO 2003095272A1 JP 0305856 W JP0305856 W JP 0305856W WO 03095272 A1 WO03095272 A1 WO 03095272A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- absorbing member
- instrument panel
- receiving portion
- airbag
- occupant
- Prior art date
Links
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
- B60R21/215—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components characterised by the covers for the inflatable member
-
- 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
- B60R21/04—Padded linings for the vehicle interior ; Energy absorbing structures associated with padded or non-padded linings
- B60R21/045—Padded linings for the vehicle interior ; Energy absorbing structures associated with padded or non-padded linings associated with the instrument panel or dashboard
-
- 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
-
- 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
- B60R21/235—Inflatable members characterised by their material
-
- 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
- B60R21/04—Padded linings for the vehicle interior ; Energy absorbing structures associated with padded or non-padded linings
- B60R2021/0407—Padded linings for the vehicle interior ; Energy absorbing structures associated with padded or non-padded linings using gas or liquid as energy absorbing means
-
- 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
- B60R21/215—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components characterised by the covers for the inflatable member
- B60R2021/21525—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components characterised by the covers for the inflatable member the lid being fixed on the bag, or forming part of the bag wall, or the bag itself being used as wall liner
-
- 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
- B60R2021/23169—Inflatable members characterised by their shape, construction or spatial configuration specially adapted for knee protection
-
- 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
- B60R21/203—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in steering wheels or steering columns
Definitions
- the present invention relates to a vehicle such as a passenger car, a commercial vehicle, a pass, or the like, which is positioned in front of a seat to receive near a knee portion of an occupant when a large impact acts on the vehicle body so that the occupant's waist can be seated on the seat.
- the present invention relates to an instrument panel structure capable of suppressing forward movement along a part of a vehicle and suppressing an impact acting near a passenger's knee.
- the airbag can catch the occupant's upper body in a state where the forward stroke of the occupant's upper body does not decrease. Is required.
- a lower airbag is arranged inside the lower part of the instrument panel to inflate the lower airbag.
- separating a part of the instrument panel There is one configured to be moved to the rear seat side. Thereby, the vicinity of the occupant's knee is received by a part of the separated instrument panel, and the occupant's waist is prevented from moving forward along the seat.
- the instrument panel is made of synthetic resin, when the occupant's knee area is received by a part of the instrument panel, a part of the instrument panel may be bent straight. (See Fig. 6 of JP-A-11-113392) mentioned above, and there is room for improvement in suppressing the impact acting near the occupant's knee.
- the present invention provides an instrument panel structure for a vehicle in which, when a large impact acts on the vehicle body, the vicinity of the knee of the occupant is received and the waist of the occupant moves forward along the seat portion of the seat.
- the purpose is to suppress the impact acting on the occupant's knees while suppressing it. Disclosure of the invention
- a first characteristic configuration of an instrument panel structure of a vehicle according to the present invention includes a receiving portion separable from the instrument panel below a synthetic resin instrument panel.
- a plastically deformable absorbing member made of metal or reinforced synthetic resin is provided. It is located on the back of the receiving part.
- the following operation and effect can be obtained.
- the receiving part separates from the instrument panel by the moving means and moves quickly to the rear seat side.
- the vicinity of the occupant's knee is received by the receiving portion, so that the occupant's waist is prevented from moving forward along the seat portion of the seat. Therefore, a large forward stroke of the occupant's upper body can be secured, and the occupant's upper body can be effectively received by the airbag.
- the plastically deformable absorbing member made of metal or reinforced synthetic resin is attached to the back of the receiving part, when the receiving part catches the vicinity of the occupant's knee, the absorbing member is plastically deformed together with the receiving part. I do.
- the receiving portion and the absorbing member are concavely deformed so as to be adapted to the vicinity of the occupant's knee, and the impact acting on the occupant's knee is appropriately absorbed.
- the supporting member is provided on the fixed portion inside the instrument panel, and the supporting member is supported. There is no need to configure the member to support the absorbing member. Even if the supporting member is provided, a small-sized supporting member is sufficient. Therefore, it is advantageous in terms of simplification of the structure.
- a second characteristic configuration of the instrument panel structure for a vehicle in the first characteristic configuration, a plurality of surface portions arranged at a predetermined distance from each other and a plurality of surface portions protruding from the surface portion are provided. On the adjacent surface while bending! And a bent portion to be connected to the absorbing member, the absorbing member constituting the absorbing member, wherein a surface portion of the absorbing member contacts a back surface of the receiving portion, and a bent portion of the absorbing member separates from the back surface of the receiving portion.
- the absorption member is attached to the back surface of the receiving portion so as to protrude to the side.
- the absorbing member will absorb the air at the surface and the bent portion of the absorbing member.
- the bent portion of the absorbing member is bent or extended, and the absorbing member is plastically deformed. Therefore, by providing a plurality of bent portions in the absorbing member, the absorbing member is more likely to be plastically deformed in a concave shape so as to be adapted to the vicinity of the occupant's knee, as compared with a single flat plate-shaped absorbing member. The impact acting near the knee can be more appropriately absorbed.
- the absorbing member is made of metal or reinforced synthetic resin
- the bending strength of the bent portion of the absorbing member can be arbitrarily set by setting the shape of the bent portion of the absorbing member, It is possible to arbitrarily set the degree of absorption of the impact acting near the knee of the occupant. Therefore, it can be easily configured to support different types of instrument panels and various types of vehicles.
- the setting of the shape of the bent portion of the absorbing member for example, how much the bent portion of the absorbing member is bent, how much the predetermined interval between the adjacent surface portions of the absorbing member is set, The length of the bent portion of the absorbing member, that is, the length protruding from the surface of the absorbing member, is set, and the like.
- the surface of the absorbing member is attached in contact with the back surface of the receiving portion, and the bent portion of the absorbing member is restrained to such an extent that it protrudes away from the back surface of the receiving portion. Since the space occupied by this does not become large, it is advantageous in terms of miniaturization near the receiving part.
- the receiving portion is separated from the instrument panel by the moving means and a rear seat side. And a stopping means for preventing the receiving portion from moving to the rear side of the seat beyond a predetermined position when it is moved.
- the receiving portion when the receiving portion separates from the instrument panel and moves rapidly to the rear seat side by the moving means, the receiving portion is prevented from moving too much to the rear seat side, and the receiving portion prevents the occupant from moving. Around the knee was received In this case, it is possible to properly absorb the impact while avoiding a situation in which the impact acting near the knee of the occupant becomes large.
- a fourth characteristic configuration of an instrument panel structure for a vehicle according to the present invention is the vehicle according to the third characteristic configuration, wherein a connection portion is provided on an outer peripheral portion of the absorbing member, and the receiving portion is the instrument.
- the connection portion In a state before being separated from the panel, the connection portion is connected to the instrument panel while being bent so as to protrude to a side away from the back surface of the receiving portion, thereby forming the blocking means.
- the following operation and effect are exhibited in addition to the operation and effect of the third characteristic configuration.
- connection portion of the bent absorbing member is extended, so that the receiving portion and the seat behind the absorbing member are extended.
- Side is permitted, and thereafter the connecting portion of the absorbing member cannot be extended, so that the receiving portion beyond the predetermined position and the absorbing member are moved to the rear side of the seat. Is blocked. Therefore, if a part of the outer peripheral portion of the absorbing member is configured to extend to be a connecting portion, another member different from the absorbing member is prepared, and this different member is connected to the absorbing member and the instrument panel. There is no need to make a configuration such that connections are made over the whole area, which is advantageous in terms of simplification of the structure.
- a fifth characteristic configuration of an instrument panel structure for a vehicle according to the present invention is the vehicle according to any one of the first to fourth characteristic configurations, wherein the receiving portion is configured to be separable into a plurality of small portions. It is in.
- the receiving part separates from the instrument panel and moves rapidly to the rear seat side, if the receiving part separates into multiple small parts, the receiving part will restrict the plastic deformation of the absorbing member.
- the receiving portion and the absorbing member are well adapted to the vicinity of the occupant's knee, and the impact acting near the occupant's knee can be appropriately absorbed.
- a sixth characteristic configuration of the instrument panel structure for a vehicle according to the present invention is as follows.
- an airbag and an inflator for rapidly inflating the airbag are provided on a back surface side of the receiving portion, and the moving means is configured by the airbag and the inflate.
- the receiving portion and the absorbing member are pushed, and the receiving portion is separated from the instrument panel and rapidly moves to the rear seat side. At this time, the receiving portion and the entire absorbing member are pressed almost evenly and supported by the inflated airbag, so that when the vicinity of the occupant's knee is received by the receiving portion, The receiving portion and the absorbing member are easily and uniformly deformed in a zigzag shape. Therefore, for example, there are few occurrences of portions that are difficult to deform into a concave shape or portions that easily deform to a concave shape, and the impact acting near the knee of the occupant is more appropriately absorbed. can do.
- the receiving portion is separated from the instrument panel by inflating the airbag.
- the airbag When the airbag is moved to the rear side of the seat, the airbag is configured to expand outward from between the instrument panel and the receiving portion.
- the area of the receiving portion is limited. Therefore, for example, when a receiving portion is provided on the seat side portion of the instrument panel, the area of the receiving portion cannot be set large due to the presence of the base of the steering handle. Therefore, if the airbag is configured to be slightly larger and the airbag is deployed outward from the space between the instrument panel and the receiving part, for example, the receiving part may be near the knee of one of the occupants. If you can only catch it, The airbag can be configured so that it can be received near the other knee of the occupant, for example, by deploying the airbag toward the area other than the area near the occupant's knee. It can be configured to be received by an airbag. Therefore, it is possible to appropriately absorb the impact acting on the occupant's vicinity of the knee and a portion other than the vicinity of the knee.
- An eighth characteristic configuration of the instrument panel structure of the vehicle according to the present invention is that, in the sixth characteristic configuration, the air bag is formed of a blow-molded synthetic resin.
- a pad member is provided between the absorbing member and the airbag. At the point where they are placed.
- the receiving part and the absorbing member are pushed, and the receiving part separates from the instrument panel and moves quickly to the rear seat side.
- the receiving portion and the absorbing member remain substantially flat, that is, they are not deformed into a convex shape due to the inflation of the airbag. It can be moved. Accordingly, the receiving portion and the absorbing member can accurately receive the vicinity of the occupant's knee, and the occupant's waist can be appropriately suppressed from moving forward along the seat portion of the seat. Natsuta.
- the pad member may also be used near the occupant's knee.
- FIG. 1 is a side view of the vicinity of a seat and an instrument panel according to a first embodiment of the present invention
- FIG. 2 is an exploded perspective view showing a lower panel portion, a receiving portion, an absorbing member, a lower air bag, an inflator, and the like in the first embodiment of the present invention
- FIG. 3 is a cross-sectional plan view of the vicinity of a lower panel portion, a receiving portion, an absorbing member, a lower airbag, and an inflator according to the first embodiment of the present invention
- FIG. 4 is a cross-sectional plan view showing a state in which the lower airbag is inflated from the state shown in FIG. 3 and the receiving portion and the absorbing member are rapidly moved to the sheet side
- FIG. FIG. 6 is a cross-sectional plan view of the vicinity of a lower panel portion, a receiving portion, an absorbent member, a pad member, a lower airbag, and an inflator according to a second embodiment of the present invention
- FIG. 7 is a cross-sectional plan view showing a state in which the lower airbag is inflated from above, and the receiving portion and the absorbing member are rapidly moved to the sheet side.
- FIG. 7 is a lower panel portion according to the third embodiment of the present invention. , A receiving portion, an absorbing member, a lower airbag, and a cross-sectional plan view in the vicinity of the inflator;
- FIG. 8 is a cross-sectional plan view showing a state in which the lower airbag is inflated from the state shown in FIG. 7 and the receiving portion and the absorbing member are rapidly moved to the sheet side
- FIG. It is a front view of an absorbing member according to a fourth embodiment of the present invention.
- FIG. 10 is a front view of the vicinity of the hole of the absorbing member according to the fourth embodiment of the present invention
- FIG. 11 is a front view of the vicinity of the surface of the absorbing member according to the fifth embodiment of the present invention.
- FIG. 12 is a side view of the vicinity of a seat and an instrument panel according to a sixth embodiment of the present invention.
- FIG. 13 is a front view of an absorbing member according to a sixth embodiment of the present invention
- FIG. 14 is a lower panel portion, a receiving portion, an absorbing member, and a lower air bag according to the sixth embodiment of the present invention.
- FIG. 3 is a longitudinal side view of the vicinity of an inflator
- FIG. 15 is a cross-sectional plan view of the vicinity of a lower panel portion, a receiving portion, an absorbing member, a lower air bag, and an inflator according to a sixth embodiment of the present invention.
- FIG. 16 is a cross-sectional plan view showing a state where the lower airbag is inflated from the state shown in FIG. 15 and the receiving portion and the absorbing member are rapidly moved to the sheet side.
- 17 is a front view of the absorbing member according to the seventh embodiment of the present invention.
- FIG. 18 is a longitudinal side view of the vicinity of a lower panel portion, a receiving portion, an absorbing member, a lower airbag and an inflator according to a seventh embodiment of the present invention.
- FIG. 19 is a cross-sectional plan view of the vicinity of a lower panel portion, a receiving portion, an absorbing member, a lower airbag, and an inflator according to a seventh embodiment of the present invention.
- FIG. 20 is a cross-sectional plan view showing a state where the lower airbag is inflated from the state shown in FIG. 19 and the receiving portion and the absorbing member are rapidly moved to the sheet side.
- 21 is a perspective view showing the vicinity of a steering handle and a receiving portion according to an eighth embodiment of the present invention.
- FIG. 22 is a front view of an absorbing member according to a ninth embodiment of the present invention.
- FIG. 23 is a longitudinal sectional side view of the vicinity of a lower panel portion, a receiving portion, an absorbing member, a lower airbag, and an inflator according to a ninth embodiment of the present invention.
- an instrument panel 2 and a steering handle 3 are arranged in front of a driver's seat 1, and an airbag 4 is provided inside a steering handle 3. ing.
- a synthetic resin lower panel 5 is provided below the steering handle 3 in the synthetic resin instrument panel 2.
- a plurality of grooves 6 are formed on the back surface of the lower panel portion 5 so as to draw a lattice vertically and horizontally, and a rectangular shape surrounded by the outermost grooves 6 is formed.
- a receiving part 7 is formed in the lower panel part 5. On the outer peripheral portion of the back surface of the lower panel portion 5 and the back surface of the receiving portion 7, a large number of convex portions 5a and 7a are formed physically.
- the absorbing member 8 is formed by pressing a plate material of a synthetic resin such as a synthetic mold).
- the absorbing member 8 has a rectangular surface portion 9 in a front view, which is arranged side by side with front and rear and left and right at a predetermined interval; B, and is in contact with the bending portion so as to protrude from the surface of the surface portion 9 to the opposite side. It is provided with a bent portion 10 that is connected across 9.
- a connecting portion 22 is provided on the outer peripheral portion of the absorbing member 8 (the surface portion 9), and the connecting portion 22 is bent so as to protrude from the surface of the surface portion 9 to the opposite side like the bent portion 10.
- the connecting portion 22 is provided with a flat flange portion 11. Small rectangular openings 9 a and 11 a are formed in the face portion 9 and the flange portion 11.
- the convex portion 5a of the lower panel portion 5 is inserted into the opening 11a of the flange portion 11 of the absorbing member 8, and the convex portion 7a of the receiving portion 7 is formed.
- the convex member 5a of 5 and the convex portion 7a of the receiving portion 7 are heated and crushed to attach the absorbing member 8 to the lower panel portion 5 and the back surface of the receiving portion 7.
- the bent portion 10 and the connecting portion 22 of the absorbing member 8 are arranged at positions facing the groove portion 6 of the lower panel portion 5, and the bent portion 10 and the connecting portion of the absorbing member 8 are connected.
- the part 22 is in a state of protruding to the side away from the back surface of the lower panel part 5 and the receiving part 7.
- a support member 12 is provided which is formed by bending a metal plate material into a box shape.
- the lower airbag 13 is attached to the support member 12, and an inflation filter 14 is provided inside the lower airbag 13.
- the lower airbag 13 is formed by professional molding.
- the inflator 14 is made of synthetic resin, folded and attached to the support member 12.
- the inflator 14 has a large number of injection ports 14a on its outer periphery, and has an igniter and an enhancer (not shown) inside.
- the support member 12 has a flange portion 12 a formed on an outer peripheral portion thereof, and a bracket 15 disposed inside the instrument panel 2.
- the flange portion 12 a of the support member 12 and the flange portion 11 of the absorbing member 8 are connected by bolts 16.
- the bent portion 10 and the connection portion 22 of the absorbing member 8 are plastically deformed and extended, and the absorbing member 8 is absorbed. While the surface portions 9 of the member 8 are separated from each other, the absorbing member 8 moves rapidly toward the rear seat 1 while the whole of the absorbing member 8 remains substantially flat. At this time, in the lower panel 5, the groove 6 is broken, the receiving portion 7 separates into a plurality of small portions and separates, and the receiving portion 7 moves rapidly to the rear seat 1 side together with the absorbing member 8. At the same time, as shown in FIG. 1 (b), the airbag 4 provided on the steering handle 3 is inflated.
- the vicinity of the right and left knees A of the occupant hits, so that the receiving portion 7 and the absorbing member 8 try to deform circularly along the vicinity of the knee A.
- the absorbing member 8 more specifically, the bent portion 1 ⁇ of the absorbing member 8 is plastically deformed, and the lower airbag 13 is deformed, thereby acting near the right and left knees A of the occupant.
- the impulse is absorbed.
- the receiving part 7 is attached to the absorbing member 8. That is, here, the receiving portion 7 is attached to the absorbing member 8 by heating and crushing the convex portion 7a. Therefore, the receiving part 7 and the absorbing member 8 There is no scattering to the rear seat 1 side.
- a pad member 17 such as a urethane material may be arranged between the absorbing member 8 and the lower airbag 13 as shown in FIG. At this time, it is preferable that the pad material 17 is formed in a flat plate shape having a predetermined thickness.
- the lower airbag 13 inflates and pushes the absorbing member 8 toward the rear seat 1, thereby bending the absorbing member 8 at the bent portion 10 and the connection portion. Even when the surface 2 of the absorbing member 8 is rapidly moved to the rear seat 1 side while being separated from each other, the entire absorbing member 8 is substantially flat by the pad member 17 even when the surface portion 9 of the absorbing member 8 is separated from each other and stretched. Will be maintained.
- FIGS. 7 and 8 a configuration as shown in FIGS. 7 and 8 may be adopted.
- the bracket 15 arranged inside the instrument panel 2 includes: The flange portion 1 2a of the support member 1 2 and the flange portion 11 of the absorbing member 8 are connected by the bolt 16; however, in FIG. Only 2a is connected by bolts 16.
- the flange portion 11 and the connecting portion 22 (see FIGS. 2 and 3) of the absorbing member 8 are eliminated, and the wire 18 is connected across the bracket 15 and the absorbing member 8. At this time, the wire 18 is slightly loose.
- the outermost groove 6a is made deeper than the inner groove 6 so that the groove 6 is easily broken.
- the rest of the structure is the same as in FIGS. 2 and 3. Further, in the structure shown in FIG. 7, a pad member 17 as shown in FIG. 5 may be arranged between the absorbing member 8 and the lower air bag 13.
- the igniter is ignited by the igniter in the inflator 14, and the gas generating agent is burned by the combustion of the enhancer and generated from the gas generating agent.
- the injection port 1 4a Injected radially in the outer circumferential direction.
- gas flows from the periphery of the lower airbag 13 toward the center of the lower airbag 13, and the lower airbag 13 inflates to push the absorbing member 8 toward the rear seat 1.
- the outermost groove 6a breaks, the bent portion 10 of the absorbing member 8 does not extend much, and the inner groove 6b does not break much.
- the absorbing member 8 moves rapidly to the rear sheet 1 side.
- each of the grooves 6b bends, and the entire receiving portion 7 is concavely deformed so as to conform to the shape near the knee A on the right and left sides of the occupant.
- the bent portion 10 of the absorbing member 8 is bent or extended while the adjacent surface portions 9 of the absorbing member 8 are pulled away or approached from each other, and the receiving portion 7 Similarly, the entire absorbing member 8 is concavely deformed so as to be adapted to the vicinity of the right and left knees A of the occupant. As described above, the shock acting near the right and left knees A of the occupant is absorbed.
- the absorbing member 8 is prevented from moving beyond the predetermined position to the rear seat 1 side.
- the receiving part 7 is attached to the absorbing member 8. That is, here, the receiving portion 7 is attached to the absorbing member 8 by heating and crushing the convex portion 7a. Therefore, the receiving portion 7 and the absorbing member 8 do not scatter to the rear sheet 1 side.
- FIGS. 9 and 10 (a) and (b) 4 ′ of the bent portion 10 of the absorbing member 8 as shown in FIGS.
- a small round hole 19, a square hole 20, or a cross-shaped hole 21 may be opened between the two face parts 9. This facilitates the plastic deformation of the bent portion 10 of the absorbing member 8 by the holes 19, 20 and 21 and improves the responsiveness of the absorbing member 8 at the time of deformation due to the inflation of the lower airbag 13. Can be enhanced.
- the surface 9 of the absorbing member 8 is not formed in a rectangular shape but in a triangular shape as shown in FIG. 11A. Or a hexagonal shape as shown in FIG. 11 (b).
- the absorbing member 8 is formed of a plurality of surface portions 9 each having a rectangular shape in a front view, particularly, a plurality of narrow planar connection portions connecting adjacent surface portions 9 on the center side. 23.
- the outer peripheral side bend so that it protrudes from the surface of the surface 9 to the opposite side, and to the adjacent surface 9: : It is provided with a plurality of narrow bent portions 10 connected to each other.
- a plurality of narrow connecting portions 22 are integrally provided on the outer peripheral portion of the surface portion 9, and the connecting portion 22 is formed of the connecting portion 22 on the surface portion 9 similarly to the bent portion 10. It is bent so as to protrude from the surface to the opposite side.
- the connecting portion 22 is integrally provided with a flat flange portion 11. Small rectangular openings 9a and 11a are formed in the face 9 and the flange 11 respectively.
- the length of the connecting portion 22 of the absorbing member 8 is configured to be longer than the length of the bent portion 10 of the absorbing member 8. You. Accordingly, the amount by which the connecting portion 22 of the absorbing member 8 protrudes from the surface of the surface portion 9 on the opposite side is larger than the amount of the bent portion 10 of the absorbing member 8 protruding from the surface of the surface portion 9 on the opposite side. Is configured.
- a flange 11 and a connection 22 are provided on the lower side of the absorbing member 8 and on the right and left lateral sides.
- the upper side does not have the flange portion 11 and the connection portion 22.
- the flat connecting portion 23, the bent portion 10, and the connecting portion 22 of the absorbing member 8 correspond to the groove 6 of the lower panel portion 5. It is located at the opposite position.
- the outermost groove 6a (the groove 6a facing the connection 22 of the absorbing member 8) is replaced with the inner groove 6b (the plate-like connecting portion 23 of the absorbing member 8 and the bent portion 1). It is easy to break by making it deeper than the groove 6 b) facing 0.
- Combine the pad member 17 (see Fig. 5) with the absorbing member 8 and the lower airbag 13 It is located between.
- the lower airbag 13 is formed to be slightly larger than the lower airbags 13 of the above-described [First Embodiment of the Invention] to [Third Embodiment of the Invention].
- the projection 5a of the lower panel 5 is inserted into the opening 11a of the flange 11 of the absorbing member 8, and further into the opening 12a of the flange 12 of the support member 12.
- the flange portion 11 of the absorbing member 8 and the flange portion 1 2a of the supporting member 12 are attached together on the back surface of the lower panel portion 5.
- the other structure is the same as that of the first embodiment of the present invention shown in FIGS. 2 and 3.
- the igniter is ignited by the igniter in the inflator 14, and the gas generating agent is burned by the combustion of the enhancer, and The generated gas is radially injected from the injection port 14a in the outer peripheral direction. Then, gas flows from the periphery of the lower airbag 13 toward the center of the lower airbag 13, and the lower airbag 13 inflates to push the absorbing member 8 toward the rear seat 1.
- the outermost groove portion 6a is broken, the bent portion 10 and the connecting portion 22 of the absorbing member 8 are extended, and the inner groove portion 6b is hardly broken.
- the receiving portion 7 and the absorbing member 8 rapidly move to the rear seat 1 side.
- the flange portion 11 of the absorbing member 8 is connected to the instrument panel 2, so that the receiving portion 7 and the absorbing member 8 move beyond the predetermined positions toward the rear seat 1 side. Movement is prevented.
- FIG. 12 as the lower airbag 13 inflates and pushes the absorbing member 8 toward the rear seat 1, the space between the instrument panel 2 and the receiving portion 7 and the absorbing member 8 is increased. The lower airbag 13 expands upward from there.
- each of the groove portions 6 b is bent, and the entire receiving portion 7 is deformed into a concave shape so as to be adapted to the vicinity of the right and left knee portions A of the occupant.
- the receiving part As in the case of minute 7, the entire absorbing member 8 is deformed into a concave shape so as to fit into the vicinity of the knee A on the right and left sides of the occupant.
- the right and left knees A of the occupant other than near the right and left knees A and the right and left knees A of the occupant when the right and left knees A are disengaged upward from the receiving portion 7 Of the lower airbag 13 inflated upward is received.
- one groove 6 is formed in a rectangular shape on the back surface of the lower panel 5, and the groove 6 is not formed on the center side. Therefore, one rectangular receiving portion 7 is formed in the lower panel portion 5.
- the absorbing member 8 includes one surface portion 9 having a rectangular shape in a front view, and a plurality of narrow connection portions 22 integrally provided on an outer peripheral portion of the surface portion 9, and the connection portion 22 is formed of the surface portion 9. It is bent so as to protrude from the surface to the opposite side, and is configured such that the connecting portion 22 is integrally provided with a flat flange portion 11. Further, small rectangular openings 9a and 11a are formed in the face portion 9 and the flange portion 11 respectively.
- a flange portion 11 and a connection portion 22 are provided on the lower side portion and the right and left side portions of the absorbing member 8, but a flange portion 11 1 is provided on the upper side portion of the absorbing member 8. No connection 22 is provided.
- the connecting portion 22 of the absorbing member 8 is disposed at a position substantially opposed to the groove 6 of the lower panel portion 5. Further, a pad member 17 (see FIG. 5) is arranged between the absorbing member 8 and the lower airbag 13.
- the lower airbag 13 is formed to be slightly larger than the lower airbags 13 of the above-described [First Embodiment of the Invention] to [Third Embodiment of the Invention].
- the other structure is the same as that of the first embodiment of the present invention shown in FIGS. 2 and 3, and the sixth embodiment of the present invention shown in FIGS.
- the igniter is ignited by the igniter in the inflator 14, and the gas generating agent is burned by the combustion of the enhancer, and Generated gas flows from injection port 1 4a Injected radially in the outer circumferential direction. Then, gas flows from the periphery of the lower airbag 13 toward the center of the lower airbag 13, and the lower airbag 13 inflates to push the absorbing member 8 toward the rear seat 1.
- the groove 6 is broken and the connecting portion 22 of the absorbing member 8 is extended, and the receiving portion 7 and the absorbing member 8 are maintained. Move quickly to the side.
- the reason why the receiving portion 7 and the absorbing member 8 maintain the substantially planar shape is that the receiving portion 7 has no groove 6.
- the flange 11 of the absorbing member 8 is connected to the instrument panel 2, so that the receiving portion J and the absorbing member 8 move beyond the predetermined position to the rear seat 1 side. Is prevented.
- a connecting portion 22 on the lower side of the absorbing member 8 and the receiving portion 7 and on the right and left lateral sides, but a connecting portion 22 is on the upper side of the absorbing member 8 and the receiving portion 7. not exist. Therefore, as the lower airbag 13 inflates and pushes the absorbing member 8 toward the rear seat 1, a gap is formed between the instrument panel 2 and the receiving portion 7 and the absorbing member 8. From below, the lower airbag 13 expands upward.
- the receiving portion 7 and the absorbing member 8 receive the vicinity of the right and left knees A of the occupant.
- the entire receiving portion 7 is deformed into a concave shape so as to conform to the vicinity of the right and left knees A of the occupant.
- the entire absorbing member 8 is concavely deformed so as to be adapted to the vicinity of the right and left knees A of the occupant.
- a steering handle is provided at a portion of the instrument panel 2 on the driver's seat 1 side.
- the receiving part 7 is arranged on the right side of the base 3 a of 3
- the upper and lower sides of the absorbing member 8 and the right side have a flange part 11 and a connecting part 22.
- the left side of the absorbing member 8 has a flange 11 and a connection 22. Not to be configured.
- the lower airbag 13 when the lower airbag 13 is inflated, as shown in FIG. 21, the lower airbag 13 pushes the absorbent member 8 toward the rear seat 1 side, and thus the instrument panel 2 and the receiving portion 7 and the like. A gap is formed between the absorbing member 8 and the lower airbag 13 deploys to the left from there.
- the receiving portion 7 and the absorbing member 8 receive the vicinity of the occupant's right knee A, and the occupant's right ⁇ Parts other than the vicinity of the left knee A and the vicinity of the occupant's left knee A are received by the lower airbag 13 inflated to the left.
- the lower airbag 13 is configured to expand not only to the left but also to the upper side, for example, to form an inverted L-shape when viewed from the front.
- the key cylinder 24 may be covered by the lower airbag 13 deployed upward.
- the upper and lower sides of the absorbing member 8 and the right and left sides of the absorbing member 8 have flange portions 11 1.
- a connection part 22, and the lower airbag 13 is configured to have the same size as the lower airbag 13 of the first embodiment J to the third embodiment of the invention described above. Is also good.
- the receiving portion 7 and the absorbing member 8 rapidly move to the rear seat 1 side while maintaining the substantially flat shape by the lower airbag 13.
- the lower airbag 13 does not deploy upward or sideways.
- the receiving portion 7 and the absorbing member 8 maintain the substantially planar shape because the receiving portion 7 has no groove 6.
- the lower panel portion 5 and the convex portions 5a and 7a of the receiving portion 7 are eliminated, and the surface portion of the absorbing member 8 is removed.
- the openings 9a and 11a of the flange 9 and the flange 11 are eliminated, and the surface 9 and the flange 11 of the absorbing member 8 are adhered to the lower panel 5 and the back of the receiving part 7 with an adhesive.
- the instrument panel 2 and the lower panel section 5 are not separately formed, but are connected to the instrument panel 2.
- the lower panel 5 may be integrally formed with the lower panel.
- the receiving portion 7 may be formed integrally with the lower panel portion 5 by slits or the like arranged at predetermined intervals in a perforated shape. ,.
- the present invention can be applied not only to the driver's seat 1 (driver's seat) but also to a passenger's seat (not shown).
- the lower airbag 13 may be formed by sewing fabrics together. Good. Industrial applicability
- the instrument panel structure of the vehicle according to the present invention is configured to receive the vicinity of the occupant's knee and prevent the occupant's waist from moving forward along the seat portion when a large impact acts on the vehicle body.
- the airbag enhances the effectiveness of catching the occupant's upper body, and also absorbs the impact acting near the knees of the occupant, thus protecting the occupant in vehicles such as passenger cars, commercial vehicles, and buses.
- the present invention can be suitably used as a protective device.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Bags (AREA)
- Instrument Panels (AREA)
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2003235927A AU2003235927A1 (en) | 2002-05-10 | 2003-05-09 | Instrument panel structure for vehicles |
KR1020047018160A KR100646268B1 (ko) | 2002-05-10 | 2003-05-09 | 차량용 계기 패널 |
US10/513,775 US7367587B2 (en) | 2002-05-10 | 2003-05-09 | Instrument panel structure for vehicles |
DE60323966T DE60323966D1 (de) | 2002-05-10 | 2003-05-09 | Armaturenbrettkonstruktion für fahrzeuge |
EP03723314A EP1504969B1 (en) | 2002-05-10 | 2003-05-09 | Instrument panel structure for vehicles |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002135417 | 2002-05-10 | ||
JP2002-135417 | 2002-05-10 | ||
JP2002249031A JP4011441B2 (ja) | 2002-05-10 | 2002-08-28 | 車両のインストルメントパネル構造 |
JP2002-249031 | 2002-08-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003095272A1 true WO2003095272A1 (fr) | 2003-11-20 |
Family
ID=29422390
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/005856 WO2003095272A1 (fr) | 2002-05-10 | 2003-05-09 | Structure de tableau de bord destinee a des vehicules |
Country Status (8)
Country | Link |
---|---|
US (1) | US7367587B2 (ja) |
EP (1) | EP1504969B1 (ja) |
JP (1) | JP4011441B2 (ja) |
KR (1) | KR100646268B1 (ja) |
CN (1) | CN100363209C (ja) |
AU (1) | AU2003235927A1 (ja) |
DE (1) | DE60323966D1 (ja) |
WO (1) | WO2003095272A1 (ja) |
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WO2006054670A1 (en) * | 2004-11-22 | 2006-05-26 | Toyota Jidosha Kabushiki Kaisha | Occupant leg protecting device for vehicle |
US20230137805A1 (en) * | 2021-11-02 | 2023-05-04 | Hyundai Motor Company | Apparatus for Knee Airbag |
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FR2848165B1 (fr) * | 2002-12-05 | 2005-03-04 | Faurecia Ind | Ensemble d'equipement comprenant une structure gonflable et un organe frangible de fixation, et vehicule automobile correspondant |
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DE102004009914A1 (de) * | 2004-02-20 | 2005-10-06 | Daimlerchrysler Ag | Airbagabdeckung für einen Airbag eines Kraftfahrzeugs |
JP5020235B2 (ja) | 2005-06-03 | 2012-09-05 | サルフレックス ポリマーズ リミテッド | 能動式クッション |
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JP5276988B2 (ja) * | 2005-11-23 | 2013-08-28 | シェイプ・コープ | 歩行者、乗員、車両のための可変エネルギー管理システム |
FR2925410B1 (fr) * | 2007-12-21 | 2010-05-14 | Faurecia Interieur Ind | Planche de bord amelioree |
JP4582163B2 (ja) * | 2008-03-12 | 2010-11-17 | トヨタ自動車株式会社 | 車両用エアバッグ装置 |
JP5956332B2 (ja) * | 2009-06-24 | 2016-07-27 | シェイプ・コープShape Corp. | 複動式クラッシュローブを有するエネルギー吸収体 |
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JP5466708B2 (ja) * | 2009-10-16 | 2014-04-09 | 本田技研工業株式会社 | 車両用インストルメントパネル構造 |
US8459689B2 (en) | 2009-12-24 | 2013-06-11 | Salflex Polymers Ltd. | Passenger side active knee bolster |
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JP6879137B2 (ja) * | 2017-09-08 | 2021-06-02 | トヨタ自動車株式会社 | 後席サイドエアバッグ装置 |
CN112319416B (zh) * | 2019-08-05 | 2022-11-01 | 宁波均胜汽车安全系统有限公司 | 一种气囊的分流装置及其制作方法、安全气囊系统 |
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CN111202611A (zh) * | 2020-03-17 | 2020-05-29 | 南京凡多智能科技有限公司 | 防摔式背背佳 |
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- 2003-05-09 EP EP03723314A patent/EP1504969B1/en not_active Expired - Lifetime
- 2003-05-09 US US10/513,775 patent/US7367587B2/en not_active Expired - Fee Related
- 2003-05-09 DE DE60323966T patent/DE60323966D1/de not_active Expired - Lifetime
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1479571A1 (en) * | 2003-05-19 | 2004-11-24 | Takata Corporation | Occupant leg protection apparatus |
US7213840B2 (en) | 2003-05-19 | 2007-05-08 | Takata Corporation | Occupant leg protection apparatus |
WO2006054670A1 (en) * | 2004-11-22 | 2006-05-26 | Toyota Jidosha Kabushiki Kaisha | Occupant leg protecting device for vehicle |
US7762577B2 (en) | 2004-11-22 | 2010-07-27 | Toyota Jidosha Kabushiki Kaisha | Occupant leg protecting device for vehicle |
US20230137805A1 (en) * | 2021-11-02 | 2023-05-04 | Hyundai Motor Company | Apparatus for Knee Airbag |
Also Published As
Publication number | Publication date |
---|---|
KR20050016875A (ko) | 2005-02-21 |
KR100646268B1 (ko) | 2006-11-23 |
DE60323966D1 (de) | 2008-11-20 |
US20050253369A1 (en) | 2005-11-17 |
EP1504969B1 (en) | 2008-10-08 |
CN1665704A (zh) | 2005-09-07 |
CN100363209C (zh) | 2008-01-23 |
US7367587B2 (en) | 2008-05-06 |
EP1504969A4 (en) | 2005-11-09 |
JP2004026126A (ja) | 2004-01-29 |
EP1504969A1 (en) | 2005-02-09 |
AU2003235927A1 (en) | 2003-11-11 |
JP4011441B2 (ja) | 2007-11-21 |
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