WO2023007590A1 - 鞍乗り型車両、車両、及び、乗員保護具 - Google Patents
鞍乗り型車両、車両、及び、乗員保護具 Download PDFInfo
- Publication number
- WO2023007590A1 WO2023007590A1 PCT/JP2021/027784 JP2021027784W WO2023007590A1 WO 2023007590 A1 WO2023007590 A1 WO 2023007590A1 JP 2021027784 W JP2021027784 W JP 2021027784W WO 2023007590 A1 WO2023007590 A1 WO 2023007590A1
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- WIPO (PCT)
- Prior art keywords
- deployment
- airbag
- deployment portion
- occupant
- upward
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62J27/00—Safety equipment
- B62J27/20—Airbags specially adapted for motorcycles or the like
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
- A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
- A41D13/0518—Chest
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62J1/00—Saddles or other seats for cycles; Arrangement thereof; Component parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K3/00—Bicycles
- B62K3/002—Bicycles without a seat, i.e. the rider operating the vehicle in a standing position, e.g. non-motorized scooters; non-motorized scooters with skis or runners
Definitions
- the present invention relates to a saddle-riding vehicle, a vehicle, and an occupant protection device.
- an airbag is provided in front of an occupant's seat, and the airbag has a portion that expands upward in front of the occupant and a portion that extends rearward of the occupant through the side of the occupant.
- a type vehicle is known (see, for example, Patent Literature 1).
- the airbag surrounds the occupant from the front and the left and right sides so that the airbag adheres to the occupant and effectively protects the occupant.
- the portion extending rearward of the occupant is large, so the volume of the airbag increases.
- the amount of gas required to deploy the airbag increases, and when the deployed airbag covers, for example, the occupant's arms from the outside, the arm and the airbag interfere with each other, preventing deployment of the airbag. It is possible. Therefore, it is desired to make the airbag compact and to protect the occupant with the airbag by suppressing interference of the airbag with the arms of the occupant.
- the present invention has been made in view of the above-mentioned circumstances, and provides a saddle-type vehicle, a vehicle, and an occupant protection device in which the airbag is made compact and the airbag is prevented from being interfered with by the arm of the occupant.
- An object of the present invention is to restrain and protect a passenger well with an airbag.
- a saddle-ride type vehicle is a saddle-ride type vehicle including a seat for an occupant and an airbag provided in front of or in front of the seat, wherein the airbag is a first airbag that deploys upward when deployed. a deployment portion; an upward deployment portion that is deployed upward from the first deployment portion when deployed; and a second deployment portion that branches and extends from the first deployment portion when deployed; It is characterized in that it extends outward in the vehicle width direction, rearward, or rearward-outward from the 1 deployment portion.
- the vehicle is a vehicle equipped with an airbag provided in front of an occupant's boarding position, wherein the vehicle is a standing-ride type vehicle in which the occupant stands at the boarding position, and the airbag is positioned upward when deployed.
- the occupant protection device includes an occupant's equipment worn by an occupant riding in the vehicle and an airbag, and the airbag is supported by the occupant's equipment and positioned on the front side of the occupant's torso.
- the airbag includes a first deployment portion that deploys upward when deployed, an upward deployment portion that deploys upward from the first deployment portion when deployed, and a second deployment portion that branches and extends from the first deployment portion when deployed. and a deployment portion, wherein the second deployment portion extends outward in the vehicle width direction, rearward, or rearward and outward from the first deployment portion.
- the airbag can be made compact and the airbag can protect the occupant by suppressing interference with the occupant's arm.
- FIG. 1 is a side view of a straddle-type vehicle according to an embodiment of the invention.
- FIG. 2 is a left side view showing a state in which an airbag is deployed to protect an occupant.
- FIG. 3 is a front view of a state in which an airbag is deployed to protect an occupant, viewed from the front.
- FIG. 4 is a rear view of the state in which the airbag is deployed to protect the occupant, viewed from the rear.
- FIG. 5 is a front view of the deployed airbag as seen from the front.
- FIG. 6 is a sectional view taken along line VI-VI in FIG.
- FIG. 7 is a front view of a state in which the airbag of the second embodiment is deployed to protect the occupant, viewed from the front.
- FIG. 8 is a left side view showing a state in which the airbag is deployed to protect the occupant.
- FIG. 9 is a left side view showing Modification 1 of the second embodiment.
- FIG. 10 is a left side view showing Modification 2 of the second embodiment.
- FIG. 11 is a left side view of a saddle-ride type vehicle according to the third embodiment.
- FIG. 12 is a left side view showing a modification of the third embodiment.
- FIG. 13 is a left side view of the stand-on type vehicle according to the fourth embodiment.
- FIG. 14 is a front view of the state in which the airbag is deployed to protect the occupant in the fifth embodiment, as seen from the front.
- FIG. 15 is a front view of the deployed airbag as seen from the front.
- FIG. 16 is a front view of a state in which an airbag is deployed to protect an occupant in the sixth embodiment, as seen from the front.
- FIG. 17 is a left side view showing a state in which the airbag is deployed to protect the occupant.
- FIG. 18 is a front view of a state in which an airbag is deployed to protect an occupant in a modification of the sixth embodiment, as seen from the front.
- FIG. 19 is a left side view showing a state in which the airbag is deployed to protect the occupant in the seventh embodiment.
- FIG. 20 is a front view of a state in which an airbag is deployed to protect an occupant, viewed from the front.
- FIG. 21 is a front view of a state in which an airbag is deployed to protect an occupant in the eighth embodiment, as seen from the front.
- FIG. 1 is a side view of a straddle-type vehicle 10 according to an embodiment of the invention.
- a straddle-type vehicle 10 includes a body frame 11, a power unit 12 supported by the body frame 11, a front fork 14 supporting a front wheel 13 in a steerable manner, a swing arm 16 supporting a rear wheel 15, and a passenger seat.
- the vehicle includes a seat 17 .
- the saddle-ride type vehicle 10 is a vehicle in which an occupant sits astride a seat 17 .
- the seat 17 is provided above the rear portion of the body frame 11 .
- the body frame 11 includes a head pipe 18 provided at the front end of the body frame 11 , a front frame 19 positioned behind the head pipe 18 , and a rear frame 20 positioned behind the front frame 19 .
- a front end portion of the front frame 19 is connected to the head pipe 18 .
- Seat 17 is supported by rear frame 20 .
- the front fork 14 is supported by a head pipe 18 so as to be steerable left and right.
- the front wheel 13 is supported by an axle 13 a provided at the lower end of the front fork 14 .
- a steering handle 21 gripped by a passenger is attached to the upper end of the front fork 14 .
- the swing arm 16 is supported by a pivot shaft 22 supported by the vehicle body frame 11 .
- the pivot shaft 22 is a shaft extending horizontally in the vehicle width direction.
- a pivot shaft 22 is inserted through the front end of the swing arm 16 .
- the swing arm 16 swings up and down around the pivot shaft 22 .
- the rear wheel 15 is supported by an axle 15 a provided at the rear end of the swing arm 16 .
- Power unit 12 is arranged between front wheel 13 and rear wheel 15 and supported by body frame 11 .
- Power unit 12 is an internal combustion engine.
- the power unit 12 includes a crankcase 23 and a cylinder portion 24 that houses reciprocating pistons.
- An exhaust device 25 is connected to an exhaust port of the cylinder portion 24 .
- the output of power unit 12 is transmitted to rear wheels 15 by a driving force transmission member that connects power unit 12 and rear wheels 15 .
- the straddle-type vehicle 10 also includes a front fender 26 that covers the front wheels 13 from above, a rear fender 27 that covers the rear wheels 15 from above, a step 28 on which the passenger puts his or her feet, and a fuel for storing the fuel used by the power unit 12. and a tank 29 .
- a front fender 26 is attached to the front fork 14 .
- the rear fender 27 and step 28 are provided below the seat 17 .
- the fuel tank 29 is supported by the vehicle body frame 11 .
- a fuel tank 29 is arranged in front of the seat 17 and behind the head pipe 18 .
- An occupant R seated on the seat 17 extends both arms R1 forward to grip the steering wheel 21, puts both feet on the step 28, and sandwiches the fuel tank 29, the body frame 11 and the like between the legs R2. hold the vehicle.
- the saddle-ride type vehicle 10 includes an airbag device 40 that protects an occupant R.
- the airbag device 40 is arranged forward of the seat 17 and is provided at a position overlapping the rear end portion of the fuel tank 29 in the vehicle width direction when viewed from the side of the vehicle.
- the airbag device 40 is arranged in an airbag housing portion 29 a provided at the rear end portion of the fuel tank 29 .
- the airbag housing portion 29a is, for example, a recess formed by recessing the rear end portion of the fuel tank 29, and the airbag device 40 is arranged in this recess.
- the airbag device 40 includes an inflator 41 and an airbag 42 that is inflated by gas emitted by the inflator 41 .
- the airbag 42 is stored in the airbag storage portion 29a in a folded state.
- the airbag 42 is arranged forward of the seating position of the occupant R with respect to the seat 17 and positioned forward of the occupant. Also, the airbag 42 is arranged at the center in the vehicle width direction, like the front wheels 13 .
- the saddle-ride type vehicle 10 includes an acceleration sensor (not shown) that detects impact acting on the saddle-ride type vehicle 10 .
- This acceleration sensor is electrically connected to a control section (not shown) of the saddle type vehicle 10 , and the control section is electrically connected to the inflator 41 .
- the controller determines whether the airbag device 40 is activated or deactivated based on the detected acceleration.
- the control unit operates the inflator 41 to release gas into the airbag 42 .
- the airbag 42 is inflated and deployed by gas pressure.
- the airbag 42 is covered with a cover (not shown) that covers the airbag storage portion 29a from above. When the airbag 42 is inflated, it pushes aside the cover and deploys.
- FIG. 2 is a left side view showing a state in which the airbag 42 is deployed to protect the occupant R.
- FIG. 3 is a front view of a state in which the airbag 42 is deployed to protect the occupant R, as seen from the front.
- FIG. 4 is a rear view of the state in which the airbag 42 is deployed to protect the occupant R, as seen from the rear.
- FIG. 5 is a front view of the deployed airbag 42 viewed from the front.
- the airbag 42 includes a first deployment portion 35 that deploys upward from the airbag storage portion 29a, an upward deployment portion 43 that deploys upward from the first deployment portion 35, and a vehicle width direction branched from the first deployment portion 35. A pair of left and right second deployment portions 50 extending outward are provided.
- the airbag 42 also includes an inflator connection portion 44 connected to the inflator 41 at the lower end portion of the first deployment portion 35 .
- FIG. 6 is a sectional view taken along line VI-VI in FIG. 2 to 6, the first deployment portion 35 is the base of the airbag 42 when the airbag 42 is deployed.
- the first deployment portion 35 is arranged in the center in the vehicle width direction and covers the lower portion of the torso R3 of the occupant R from the front.
- the upper deployment portion 43 extends upward from the upper end of the first deployment portion 35 .
- the upward deployment portion 43 communicates with the first deployment portion 35 .
- the upward deployment portion 43 is arranged in the center in the vehicle width direction and covers the torso R3 of the occupant R from the front.
- the upper deployment portion 43 includes a one-side upper deployment portion 45 extending upward from the first deployment portion 35 on one of the left and right sides of the center in the vehicle width direction, and a second deployment portion 45 on the other left and right sides of the center in the vehicle width direction.
- a second upper deployment portion 46 extending upward from the first deployment portion 35 is integrally provided.
- the one-side upper deployment portion 45 and the other-side upper deployment portion 46 are connected in the vehicle width direction (horizontal direction) and extend upward substantially parallel to each other.
- the one-side upper deployment portion 45 includes, in a front view, a first upward extension portion 45a extending substantially vertically upward from the upper end of the first deployment portion 35, and extending outward in the vehicle width direction from the upper end of the first upper extension portion 45a. and an upper extending portion 45b obliquely extending upward.
- the other-side upper deployment portion 46 includes a first upper extension portion 46a extending substantially vertically upward from the upper end of the first deployment portion 35 in a front view, and a vehicle width direction extending from the upper end of the first upper extension portion 46a. and an upper extending portion 46b obliquely extending outward and upward.
- the upper deployment portion 43 has a partition portion 47 on the rear surface 43a thereof, which divides the space inside the upper deployment portion 43 into a one-side upper deployment portion 45 and an other-side upper deployment portion 46 to the left and right.
- the partition portion 47 is a wall portion that is protruded forward by stitching together the central portion of the rear surface 43a in the vehicle width direction.
- the partition portion 47 protrudes into the upper deployment portion 43 .
- the partition portion 47 extends vertically along the deployment direction of the upper deployment portion 43 at the center position of the upper deployment portion 43 in the vehicle width direction.
- the partition portion 47 is provided only at the rear portion within the upper deployment portion 43 , and the one side upper deployment portion 45 and the other side upper deployment portion 46 communicate with each other at the front portion within the upper deployment portion 43 .
- the partition portion 47 extends to the lower edge of the first deployment portion 35 through the left and right central portions of the rear surface of the first deployment portion 35 . That is, the first deployment portion 35 is also partitioned into left and right by the
- connection member 48 is attached to the rear surface 43a of the upper deployment portion 43 to connect the rear surface of the one side upper deployment portion 45 and the rear surface of the other side upper deployment portion 46 in the vehicle width direction.
- the connection member 48 is a strip-shaped cord extending in the vehicle width direction.
- the connection member 48 extends substantially horizontally in the vehicle width direction when the upper deployment portion 43 is deployed.
- the connection member 48 is provided in the upper and lower intermediate portions of the deployment portion formed by the first deployment portion 35 and the upper deployment portion 43 .
- the connecting member 48 connects the first upwardly extending portion 45a and the first upwardly extending portion 46a.
- the upper deployment portion 43 and the first deployment portion 35 are bent in a V-shape starting from the partition portion 47 in a top view shown in FIG. 6 in the deployed state.
- the upwardly expanding portion 43 and the first expanding portion 35 are bent in a V shape opening rearward along the dividing portion 47 as a bending line in a front view.
- the shape of the rear surface 43a of the upper unfolding portion 43 is V-shaped along the front surface of the body R3. For this reason, the upper deployment portion 43 and the first deployment portion 35 can be adhered to the body R3 satisfactorily.
- the connecting member 48 regulates the degree of bending of the upwardly deployed portion 43 in the state in which the upwardly deployed portion 43 is deployed, thereby forming the upwardly deployed portion 43 and the first deployed portion 35 into a favorable V-shape. For this reason, the upper deployment portion 43 and the first deployment portion 35 can be adhered to the body R3 satisfactorily.
- the inflator connecting portion 44 (FIG. 5) is provided below the one side upper deployment portion 45 and the other side upper deployment portion 46 at the lower end portion of the first deployment portion 35, respectively.
- the inflator connecting portion 44 is an inflow port for the gas that deploys the airbag 42, and the gas emitted by the inflator 41 flows from the inflator connecting portion 44 into the first deploying portion 35 and branches off from the first deploying portion 35. It flows to the upper deployment portion 43 and the second deployment portion 50 .
- the inflator connecting portion 44 is provided below the one-side upper deploying portion 45 and the other-side upper deploying portion 46, the inflator connecting portion 44 may be provided at least one location.
- the second deployment portions 50 are rod-shaped and extend outward in the vehicle width direction from both side portions of the first deployment portion 35 on the outer side in the vehicle width direction.
- the second deployment portion 50 is rod-shaped and thinner than the upward deployment portion 43 .
- a base end portion of the second deployment portion 50 communicates with the inside of the first deployment portion 35 .
- each of the second deployment portions 50 includes a side extension portion 51 extending outward in the vehicle width direction from the first deployment portion 35 and a rear extension portion extending rearward from the side extension portion 51. 52, an inner bent portion 53 bent inward in the vehicle width direction from the rearwardly extending portion 52, a downwardly extending portion 54 bent from the innerly bent portion 53 and extending downward, and a lower end portion of the downwardly extending portion 54. and a folded portion 55 folded back toward the rear extending portion 52 on the front side.
- the side extending portion 51 is the base end portion of the second deployment portion 50 .
- the side extending portion 51 extends from the lower portion of the deployment portion formed by the first deployment portion 35 and the upward deployment portion 43 . 5, the upper end 35a of the first developed portion 35 is positioned at the upper end of the connecting portion between the laterally extending portion 51 and the first deployed portion 35. As shown in FIG.
- the rearward extending portion 52 extends rearward toward the rear side of the seat 17 from the vehicle width direction outer end portion of the laterally extending portion 51 .
- the rear extension portion 52 has a bar shape extending obliquely rearward and upward from the side extension portion 51 in a vehicle side view, and is thinner than the upward deployment portion 43 .
- the rearwardly extending portion 52 extends from the laterally extending portion 51 along the outer surface of the body R3, passing between the arm R1 of the occupant R sitting on the seat 17 and gripping the handle 21 and the leg R2 of the occupant R. and extend to the rear of the occupant R.
- the rear extension portion 52 extends obliquely rearward and upward as viewed from the side of the vehicle.
- the rearwardly extending portion 52 forms a section from the sidewardly extending portion 51 to the inner bent portion 53 and extends toward the outside in the vehicle width direction toward the rear.
- the rear extension portion 52 extends rearward along the outer surface of the body R3.
- the inner bent portion 53 is provided at the end portion of the rearwardly extending portion 52 in the extending direction.
- the inner bent portion 53 is positioned rearward and upward with respect to the side extending portion 51 .
- the inner bent portion 53 wraps around the rear surface side of the trunk R3 and contacts the passenger R's back.
- the downward extending portion 54 extends downward from the inner end portion of the inner bent portion 53 in the vehicle width direction.
- the downward extending portion 54 extends outward in the vehicle width direction as it goes downward.
- the downward extending portion 54 extends downward along the back of the occupant R.
- the downward extending portion 54 is positioned rearward and upward with respect to the side extending portion 51 .
- the folded portion 55 extends toward the rear extension portion 52 extending rearwardly upward in front of the folded portion 55 and contacts the rear extension portion 52 from behind. Note that the folded portion 55 may approach the rearward extension portion 52 from the rear without contacting the rearward extension portion 52 .
- the downwardly extending portion 54 may be bent forward toward the rearwardly extending portion 52 without the second unfolding portion 50 having the folded portion 55 .
- the airbag 42 When the airbag 42 is deployed, the airbag 42 surrounds the occupant R and adheres to the occupant R. Specifically, the first deployment portion 35 and the upper deployment portion 43 abut against the trunk R3 from the front to protect the trunk R3.
- the upper extending portions 45b and 46b of the upper deployment portion 43 cover the shoulders of the occupant R from the front.
- the left and right side extending portions 51 are positioned below the arm R1.
- the laterally extending portion 51 extends outward in the vehicle width direction through between the arm R1 and the leg R2, and extends outward in the vehicle width direction with respect to the lower portion of the body R3.
- the rearward extending portion 52 abuts on the outer surface of the body R3 below the arm R1 to protect the body R3.
- the rear extension portion 52 extends rearward and upward along the arm R1.
- the inner bent portion 53 and the downwardly extending portion 54 abut against the back of the occupant R to protect the back.
- the folded portion 55 abuts against the outer surface of the trunk R3 below the rear extension portion 52 to protect the trunk R3.
- the folded portion 55 abuts the rearwardly extending portion 52 from the rear, thereby suppressing deformation of the overall shape of the second deployment portion 50 and maintaining the second deployment portion 50 in an appropriate shape.
- the side extending portion 51 of the airbag 42 passes under the arm R1, the side extending portion 51 is less likely to interfere with the arm R1, and the airbag 42 can be pushed through the upward deployment portion 43 and the side extending portion 51. It adheres well to the occupant R. Further, the airbag 42 adheres well to the occupant R because the side extending portion 51 is sandwiched between the arm R1 and the leg R2.
- the airbag 42 sandwiches the occupant R from the front-rear direction of the vehicle with the first deploying portion 35 and the upward deploying portion 43, and the inner bent portion 53 and the downward extending portion 54 of the second deploying portion 50. As shown in FIG. Further, the airbag 42 sandwiches the occupant R in the left-right direction with the left and right rearwardly extending portions 52 and the left and right folded portions 55 . Therefore, the airbag 42 adheres to the occupant R satisfactorily. At least a portion of the inner bent portion 53 overlaps the upwardly developed portion 43 in the vehicle front-rear direction. That is, in the front view shown in FIG. 3, the upward deployment portion 43 overlaps at least a portion of the inner bent portion 53 (FIG. 4) from the front.
- the second deploying part 50 is rod-shaped and has a small volume, so it deploys quickly. Referring to FIG. 5, when the airbag 42 is deployed, the length L1 of the second deployment portion 50 in the deployment direction is longer than the length L2 of the first deployment portion 35 and the upper deployment portion 43 in the deployment direction. long.
- the airbag device 40 is provided with a separation mechanism 49 (FIG. 1) for separating the airbag 42 from the inflator 41 after the airbag 42 is deployed.
- the detachment mechanism 49 is actuated, for example, by pressure of gas inside the airbag 42 to detach the airbag 42 from the inflator 41 . Further, the separating mechanism 49 may separate the airbag 42 from the inflator 41 by melting a part of the airbag 42 with heat.
- the detachment mechanism 49 includes a check valve (not shown) that suppresses the outflow of gas from the detached airbag 42 . Therefore, the airbag 42 maintains an inflated state even after being cut off, and adheres well to the occupant R.
- the saddle-ride type vehicle 10 includes the passenger seat 17 and the airbag 42 provided in front of the seat 17. includes a first deployment portion 35 that deploys upward when deployed, an upward deployment portion 43 that deploys upward from the first deployment portion 35 when deployed, and a second deployment portion 50 that branches and extends from the first deployment portion 35 when deployed.
- the second deployment portion 50 extends outward in the vehicle width direction from the first deployment portion 35 .
- the upward deployment portion 43 deploys upward from the first deployment portion 35, and the second deployment portion 50 extends outward in the vehicle width direction from the first deployment portion 35, so that the airbag 42 can be made compact, and , the airbag 42 can be prevented from being interfered with by the arm R1 of the occupant R, and the occupant R can be well protected by the airbag 42.
- the second deployment portion 50 includes a side extension portion 51 extending outward in the vehicle width direction from the first deployment portion 35 and a rear extension portion 52 extending rearward from the side extension portion 51 .
- the airbag 42 can be effectively adhered to the occupant R via the laterally extending portion 51 and the rearwardly extending portion 52, and the rearwardly extending portion 52 can support the side of the occupant R. can protect
- the second deployment portion 50 includes an inner bent portion 53 that is bent inward in the vehicle width direction from the rearwardly extending portion 52, and at least a portion of the inner bent portion 53 extends toward the upwardly deployed portion 43 in the vehicle front-rear direction. Overlap.
- the inner bent portion 53 can protect the occupant R from the rear, and the inner bent portion 53 and the upward deployment portion 43 sandwich the occupant R in the front and rear direction, thereby effectively attaching the airbag 42 to the occupant R. can be made
- the rearward extending portion 52 extends to the outside in the vehicle width direction as it goes rearward until it reaches the inner bent portion 53 . According to this configuration, the rearward extending portion 52 can be satisfactorily deployed rearward along the occupant R.
- the second deployment portion 50 includes a downward extending portion 54 that bends from the inner bent portion 53 and extends downward. According to this configuration, the inner bent portion 53 and the downwardly extending portion 54 can protect the occupant R from behind over a wide range. Further, the airbag 42 can be effectively adhered to the occupant R by the downward extending portion 54 .
- the rear extension portion 52 obliquely extends rearward and upward when viewed from the side of the vehicle. According to this configuration, since the position of the inner bent portion 53 extending from the rearwardly extending portion 52 is raised, the inner bent portion 53 and the downwardly extending portion 54 can be provided over a wide range in the vertical direction. Therefore, the occupant R can be effectively protected by the inner bent portion 53 and the downwardly extending portion 54 . Also, since the high position of the occupant R can be protected, it is easy to protect the head and neck.
- the second unfolding portion 50 also includes a folded portion 55 that folds back from the downwardly extending portion 54 toward the rearwardly extending portion 52 . According to this configuration, the occupant R can be protected by the folded portion 55 . In addition, since the folded portion 55 contacts the rearwardly extending portion 52, it is easy to maintain the second unfolding portion 50 in an appropriate shape.
- the deployment direction length L1 of the second deployment portion 50 is longer than the deployment direction length L2 of the first deployment portion 35 and the upper deployment portion 43 added together. According to this configuration, since the second deployment portion 50 is long, the occupant R can be effectively held by the second deployment portion 50 . In addition, since the first deployment portion 35 and the upper deployment portion 43 are short, the first deployment portion 35 and the upper deployment portion 43 can be rapidly deployed.
- the upward deployment portion 43 is deployed upward along the front surface of the torso R3 of the occupant R seated on the seat 17, and the second deployment portion 50 is designed for the occupant seated on the seat 17 and gripping the steering handle 21. It passes through between R's arm R1 and this occupant's R leg R2 and extends outward in the vehicle width direction. According to this configuration, the second deployment portion 50 can be prevented from interfering with the arm R1, and the airbag 42 can be adhered to the occupant via the second deployment portion 50 sandwiched between the arm R1 and the leg R2. be able to. Since the second deployable portion 50 has a size that allows it to pass between the arm R1 and the leg R2, the second deployable portion 50 can be made compact.
- the second deployment portion 50 has a rod shape extending outward in the vehicle width direction from the first deployment portion 35 and is thinner than the upward deployment portion 43 . According to this configuration, since the second deployable portion 50 is rod-shaped, the volume of the second deployable portion 50 can be reduced, and the second deployable portion 50 can be effectively adhered to the occupant R.
- an inflator connecting portion 44 which is an inflow port of gas for deploying the airbag 42 is provided in the first deploying portion 35 .
- the inflator connection portion 44 and the second deployment portion 50 are provided in the first deployment portion 35, the inflator connection portion 44 and the second deployment portion 50 are close to each other. Therefore, the gas can efficiently flow to the second deployment portion 50, and the second deployment portion 50 can be rapidly deployed.
- the inflator connecting portion 44 is provided at the lower end portion of the first deploying portion 35, the inflator connecting portion 44 is not limited to this and is provided at a position lower than the upper and lower intermediate portions of the upper deploying portion 43. It's okay to be
- the upper deployment portion 43 includes a one-side upper deployment portion 45 extending upward on one of the left and right sides, another upper deployment portion 46 extending upward on the other left and right side, and an upper deployment portion 46 extending upward on the other left and right sides.
- a partition portion 47 is provided to partition the space into an upper deployment portion 45 on one side and an upper deployment portion 46 on the other side.
- a connection member 48 is attached to the rear surface 43a of the upper deployment portion 43 and connects the one side upper deployment portion 45 and the other side upper deployment portion 46 to the left and right.
- the upper deployment portion 43 can be bent starting from the partition portion 47 in which the one side upper deployment portion 45 and the other side upper deployment portion 46 extend vertically. R, and the airbag 42 can protect the occupant R satisfactorily.
- the connecting member 48 can regulate the bending state of the one side upwardly deployed portion 45 and the other side upwardly deployed portion 46, and the upwardly deployed portion 43 can be effectively aligned with the occupant R.
- an inflator 41 for ejecting gas into the airbag 42 to deploy the airbag 42 is connected to the airbag 42, and a disconnecting mechanism 49 for disconnecting the airbag 42 from the inflator 41 after the airbag 42 is deployed is provided.
- a disconnecting mechanism 49 for disconnecting the airbag 42 from the inflator 41 after the airbag 42 is deployed is provided.
- the above-described embodiment shows one mode to which the present invention is applied, and the present invention is not limited to the above-described embodiment.
- the airbag 42 is provided forward of the seat 17, but the present invention is not limited to this.
- the airbag 42 may be provided in the front portion of the seat 17 and in front of the seated position of the occupant R.
- the airbag device 40 may be installed in the seat 17 .
- the partition portion 47 is provided only at the rear portion within the upward deployment portion 43, but the present invention is not limited to this.
- the partition portion 47 may extend from the rear surface 43 a of the upper deployment portion 43 to the front surface so as to completely partition the one side upper deployment portion 45 and the other side upper deployment portion 46 .
- the partition portion 47 may be provided only in the front portion within the upward deployment portion 43 .
- the second unfolding portion 50 has been described as being provided in a pair on the left and right, it may be provided on only one of the left and right.
- the saddle type vehicle 10 has been described by taking a motorcycle as an example, but the present invention is not limited to this. It is applicable to wheeled saddle-type vehicles and saddle-type vehicles with four or more wheels.
- FIG. 7 A second embodiment to which the present invention is applied will be described below with reference to FIGS. 7 and 8.
- FIG. In the second embodiment, parts configured in the same manner as in the above-described embodiment (first embodiment) are denoted by the same reference numerals, and descriptions thereof are omitted.
- the second deployable portion 50 extends to the back side of the occupant R, but in the second embodiment, the second deployable portion 250 is deployed so as to wrap around the occupant R's arm. It differs from the above embodiment.
- FIG. 7 is a front view of a state in which the airbag 242 of the second embodiment is deployed to protect the occupant R, as seen from the front.
- FIG. 8 is a left side view showing a state in which the airbag 242 is deployed to protect the occupant R.
- the airbag 242 is housed in the airbag housing portion 29a (FIG. 1).
- the airbag 242 is connected to the inflator 41 via the disconnection mechanism 49 .
- the airbag 242 includes a first deployment portion 35, an upward deployment portion 43, a pair of left and right second deployment portions 250 branching from the first deployment portion 35 and extending rearward and outward, and an inflator connection portion 44 (FIG. 5). and
- the second deployment portion 250 extends from the lower portion of the deployment portion formed by the first deployment portion 35 and the upper deployment portion 43 .
- the upper end 35a of the first developed portion 35 is positioned at the upper end of the connecting portion between the second deployed portion 250 and the first deployed portion 35 .
- the second deployment portion 250 includes an extension portion 252 extending rearward and laterally from a side portion of the first deployment portion 35 and a second upward extension portion extending upward from an end portion of the extension portion 252 in the extension direction. and an exit portion 253 .
- the second deployment portion 250 is rod-shaped and thinner than the upward deployment portion 43 .
- a proximal end portion of the second deployment portion 250 communicates with the inside of the first deployment portion 35 .
- the second deployment portion 250 extends rearward and laterally from the first deployment portion 35 through between the arm R1 and the leg R2, and then extends upward.
- the second upwardly extending portion 253 includes a first extending portion 254 that extends upward from the extending portion 252 and an upper end of the first extending portion 254 that extends inward and upward in the vehicle width direction. and a second extending portion 255 .
- the second extending portion 255 obliquely extends forward and upward when viewed from the side of the vehicle.
- the first extending portion 254 extends upward at a slightly rearward position with respect to the upward deployment portion 43 .
- the first extending portion 254 extends outward in the vehicle width direction as it goes upward.
- the second extending portion 255 bends toward the inside in the vehicle width direction as it goes upward.
- the first extending portion 254 extends upward to a position on the lateral side of the arm R1.
- the second extending portion 255 extends inward in the vehicle width direction and forward and upward through above the arm R1.
- the second extending portion 255 extends upward at least to the height position of the upper deployment portion 43 .
- the second extending portion 255 extends upward from the upper surface 43 c of the upward deployment portion 43 . That is, the second extending portion 255 extends to a position higher than the upward deployment portion 43 .
- the second extending portion 255 preferably extends to the height of the occupant R's arm R1.
- the second extending portion 255 only needs to extend up to the height of the arm R1, and does not have to extend above the upper surface 43c of the upward deployment portion 43.
- the second extending portion 255 may extend to the same height as the lower portion of the upward deployment portion 43 or to the same height as the upper portion of the upward deployment portion 43 .
- the second extending portion 255 and the upwardly expanding portion 43 can grip the arm R1 while sandwiching it in the width direction.
- the airbag 242 When the airbag 242 is deployed, the airbag 242 surrounds the occupant R and adheres to the occupant R. Specifically, the first deployment portion 35 and the upper deployment portion 43 abut against the trunk R3 from the front to protect the trunk R3.
- the upper extending portions 45b and 46b of the upper deployment portion 43 cover the shoulders of the occupant R from the front.
- the left and right extending portions 252 are positioned below the arm R1.
- the extending portion 252 extends outward in the vehicle width direction through between the arm R1 and the leg R2, and extends outward in the vehicle width direction with respect to the lower portion of the body R3.
- the first extending portion 254 of the second upward deployment portion 251 covers and protects the body R3 and the arms R1 from the outside.
- the second extending portion 255 of the second upward deployment portion 251 wraps around the upper portion of the arm R1 toward the inside in the vehicle width direction on the rear side of the upward deployment portion 43 and contacts the arm R1 from above.
- the tip of the second extending portion 255 may abut on the upper end of the upward deployment portion 43 .
- the upper end portion of the upward deployment portion 43 overlaps at least a portion of the second extension portion 255 from the front.
- the airbag 242 is configured by the first deployment portion 35 , the upward deployment portion 43 , the extension portion 252 , the first extension portion 254 and the second extension portion 255 of the second upward extension portion 253 , and sandwiched from multiple directions.
- the airbag 242 deploys so as to wrap around the arm R1. Therefore, the airbag 242 adheres to the occupant R well.
- the second deploying part 250 is rod-shaped and has a small volume, so it deploys quickly. When the airbag 242 is deployed, the length of the second deployment portion 250 in the deployment direction is greater than the total length of the first deployment portion 35 and the upper deployment portion 43 in the deployment direction.
- the second deployment portion 250 includes the extension portion 252 extending rearward and laterally from the first deployment portion 35 and the extension portion and a second upwardly extending portion 253 extending upwardly from 252 to at least the position of the upwardly deployed portion 43 .
- the second deployment portion 250 can protect the occupant R, and the upper deployment portion 43 and the second deployment portion 250 sandwich the occupant R, so that the airbag 242 can be adhered to the occupant R satisfactorily.
- the second upwardly extending portion 253 extends upward from the upper surface 43c of the upwardly deployed portion 43 . According to this configuration, the high position of the occupant R can be well protected by the second upwardly extending portion 253 .
- FIG. 9 is a left side view showing Modification 1 of the second embodiment. 8, the second upwardly extending portion 253 extends upward through the rear side of the upwardly deploying portion 43, but the second upwardly extending portion 253 extends forwardly of the upwardly deploying portion 43 as shown in FIG. It may extend upward through the sides.
- the extension portion 252 extends outward in the vehicle width direction from the side portion of the first deployment portion 35 . More specifically, the extension portion 252 extends anterolaterally from the first deployment portion 35 .
- FIG. 10 is a left side view showing Modification 2 of the second embodiment.
- the second upwardly extending portion 253 extends upward through the rear side of the upwardly deployed portion 43, but as shown in FIG. may extend upward substantially parallel to the upper deployment portion 43 through a position overlapping the upper deployment portion 43 from the outside in the vehicle width direction.
- the extending portion 252 extends substantially laterally outward in the vehicle width direction from the side portion of the first deployment portion 35 .
- the extending portion 252 may extend rearward from the first deployment portion 35 .
- the second upwardly extending portion 253 extends upward from the rear end portion of the extending portion 252 and wraps around the arm R1.
- a third embodiment to which the present invention is applied will be described below with reference to FIG.
- parts configured in the same manner as in the above-described embodiment (first embodiment) are denoted by the same reference numerals, and descriptions thereof are omitted.
- the third embodiment differs from the above embodiment in that the airbag device 40 is mounted on a scooter-type saddle-ride type vehicle 310 .
- FIG. 11 is a left side view of a saddle-ride type vehicle 310 according to the third embodiment.
- a straddle-type vehicle 310 includes a vehicle body frame 311, a power unit 312 supported by the vehicle body frame 311, a front fork 314 supporting a front wheel 313 in a steerable manner, a swing arm 316 supporting a rear wheel 315, and a passenger seat.
- the vehicle includes a seat 317 .
- the straddle-type vehicle 310 is a scooter-type motorcycle in which the rider R sits astride a seat 317 .
- the seat 317 is provided above the rear portion of the vehicle body frame 311 .
- a floor-like step floor 322 on which the occupant R puts his/her feet is provided in front and below the seat 317 .
- Body frame 311 includes head pipe 318 provided at the front end of body frame 311 , down frame 319 extending downward from head pipe 318 , lower frame 320 extending rearward from the lower end of down frame 319 , and lower frame 320 . and a seat frame 321 extending rearward and upward from the rear end. Seat 317 is supported by seat frame 321 .
- the front fork 314 is supported by a head pipe 318 so as to be steerable left and right.
- a steering handle 323 gripped by the passenger R is attached to the upper end of the front fork 314 .
- Power unit 312 is a unit-swing type engine in which an engine (internal combustion engine) that drives rear wheels 315 and a swing arm 316 are integrally provided.
- the power unit 312 is positioned directly below the seat 317 as viewed from the side of the vehicle.
- the power unit 312 is connected to the rear portion of the vehicle body frame 311 via a link member 324 connected to the front portion of the power unit 312 and swings up and down around the link member 324 .
- the straddle-type vehicle 310 includes, as vehicle body covers, a front cover 326 that covers the front end portion of the vehicle body frame 311 from the front and from the left and right sides, an inner cover 327 that covers the head pipe 318 and the down frame 319 from the rear, and a seat 317.
- a center tunnel portion 328 that covers the vehicle body from above and from both left and right sides below and between the down frame 319 and the seat frame 321, and a rear cover that covers the vehicle body from the left and right sides below the seat 317 behind the center tunnel portion 328. 329.
- the inner cover 327 is a leg shield that covers the legs R2 of the passenger R seated on the seat 317 from the front.
- the center tunnel portion 328 is positioned behind the inner cover 327 .
- the center tunnel portion 328 has a tunnel shape that bulges upward from the step floor 322 at the center portion in the vehicle width direction.
- the center tunnel portion 328 is a tunnel-shaped cover that extends forward and backward, and parts such as a fuel tank are arranged in the center tunnel portion 328 .
- the occupant R straddles the center tunnel portion 328 to the left and right and puts his/her feet on the step floor 322 .
- the airbag device 40 is attached to the rear surface portion of the inner cover 327 in front of the seat 317 and above the center tunnel portion 328 .
- the airbag device 40 may be attached to the stem 325 that supports the handle 323 on the front side of the inner cover 327 .
- the airbag device 40 is arranged at the center in the vehicle width direction.
- the airbag device 40 is provided at a position overlapping the head pipe 318 from behind in FIG.
- an airbag storage portion 327a for storing the airbag device 40 is provided above the center tunnel portion 328 and above the rear surface of the inner cover 327.
- the airbag storage portion 327 a may be provided behind the stem 325 on the front side of the inner cover 327 .
- the airbag 42 deploys toward the passenger R from the airbag storage portion 327a.
- the airbag device 40 is arranged at a position farther from the occupant R than in the structure of the above embodiment (first embodiment). Therefore, the length of the airbag device 40 may be changed so that the airbag device 40 can be appropriately attached to the passenger R seated on the seat 317 .
- the airbag 242 of the second embodiment, the airbag 542 of the fifth embodiment, and the airbag 642 of the sixth embodiment are placed in the airbag storage portion 327a. You can place it.
- the airbag 42 may be stored in the front portion of the seat 17 instead of the airbag storage portion 327a.
- FIG. 12 is a left side view showing a modification of the third embodiment.
- the saddle-ride type vehicle 310 may not include the center tunnel portion 328, and the step floor 322 may be formed as a substantially flat surface that straddles the center in the vehicle width direction.
- the airbag 42 is attached to the upper portion of the rear surface portion of the inner cover 327 in front of the seat 317 .
- a fourth embodiment to which the present invention is applied will be described below with reference to FIG.
- parts configured in the same manner as in the above-described embodiment (first embodiment) are denoted by the same reference numerals, and descriptions thereof are omitted.
- the fourth embodiment differs from the above embodiment in that the airbag device 40 is mounted on a stand-on type vehicle 410 .
- FIG. 13 is a left side view of a stand-on type vehicle 410 according to the fourth embodiment.
- the stand-up type vehicle 410 includes a vehicle body frame 411, a plate-shaped deck portion 412 on which an occupant R rides, a steering portion 413 supported by the front end portion of the vehicle body frame 411 so as to be steerable left and right, and a lower end of the steering portion 413.
- the vehicle includes a front wheel 414 supported by a part of the vehicle and a rear wheel 415 provided at the rear end of the vehicle body.
- the deck portion 412 is supported by the vehicle body frame 411 .
- the steering unit 413 includes a steering shaft 416 supported by the front end of the body frame 411 and a handle 417 provided on the upper end of the steering shaft 416 .
- the occupant R stands on the deck portion 412 behind the handle 417 and gets on the stand-on type vehicle 410 by gripping the handle 417 by hand.
- the stand-on type vehicle 410 is a so-called kickboard, and is a vehicle in which the passenger R rides in a standing posture.
- a riding position 418 for the passenger R is located behind the handle 417 and in front of the rear wheel 415 on the deck portion 412 .
- a box-shaped airbag storage portion 420 is provided on the rear surface portion of the handle 417 .
- the airbag device 40 is housed in the airbag housing portion 420 .
- the airbag storage section 420 and the airbag device 40 are provided forward and upward with respect to the riding position 418 .
- the airbag 42 is deployed rearwardly and upwardly from the airbag housing portion 420, and the occupant R is surrounded by the first deploying portion 35, the upward deploying portion 43, and the second deploying portion 50 as in FIG. to adhere to. 13, an airbag storage section 420 may be provided on the rear surface of the steering shaft 416 below the handle 417, and the airbag device 40 may be stored in the airbag storage section 420.
- FIG. instead of the airbag 42, the airbag 242 of the second embodiment, the airbag 542 of the fifth embodiment, and the airbag 642 of the sixth embodiment are placed in the airbag storage section 420. You can place it.
- the vehicle includes the airbag 42 provided in front of the boarding position 418 for the passenger, and the vehicle is equipped with the passenger R at the boarding position 418.
- the airbag 42 includes a first deployment portion 35 that deploys upward when deployed, an upward deployment portion 43 that deploys upward from the first deployment portion 35 when deployed, and a A second deployment portion 50 branches off from the first deployment portion 35 and extends outwardly in the vehicle width direction from the first deployment portion 35 .
- the upward deployment portion 43 deploys upward from the first deployment portion 35, and the second deployment portion 50 extends outward in the vehicle width direction from the first deployment portion 35, so that the airbag 42 can be made compact, and , the airbag 42 can be prevented from being interfered with by the arm R1 of the occupant R, and the occupant can be well protected by the airbag 42.
- FIG. 14 and 15 A fifth embodiment to which the present invention is applied will be described below with reference to FIGS. 14 and 15.
- FIG. in the fifth embodiment parts configured in the same manner as in the above-described embodiment (first embodiment) are denoted by the same reference numerals, and descriptions thereof are omitted.
- the fifth embodiment differs from the above embodiments in that an airbag 542 has an intermediate portion 560 .
- FIG. 14 is a front view showing a state in which the airbag 542 is deployed to protect the passenger R in the fifth embodiment.
- FIG. 15 is a front view of the deployed airbag 542 viewed from the front.
- the airbag 542 includes a first deployment portion 35 , an upward deployment portion 43 , a pair of left and right second deployment portions 50 , and an inflator connection portion 44 .
- the airbag 542 includes a pair of left and right intermediate portions 560 between the upper deployment portion 43 and the second deployment portion 50 that connect the upper deployment portion 43 and the second deployment portion 50 .
- the intermediate portion 560 connects the upward deployment portion 43 and the side extension portion 51 of the second deployment portion 50 .
- the intermediate portion 560 connects the upper deployment portion 43 and the lower end portion of the second deployment portion 50 .
- the airbag 542 is formed into a bag shape by sewing cloth.
- the first deployment portion 35 , the upward deployment portion 43 , and the second deployment portion 50 are air chambers formed inside the seams of the airbag 542 .
- This seam is a sewing line formed along the periphery of the airbag 542 .
- the intermediate portion 560 is a cloth-like portion located outside the seams forming the air chamber, and gas from the inflator 41 does not flow into the intermediate portion 560 . Therefore, the intermediate portion 560 does not expand when the airbag 542 is deployed, and is flat and cloth-like even after the airbag 542 is deployed.
- the airbag 542 is not limited to one formed by sewing together cloths.
- the airbag 542 may be formed in a bag-like shape by bonding cloth or film, or may be formed in a bag-like shape by using a woven fabric.
- the intermediate portion 560 In the state in which the airbag 542 is deployed, the intermediate portion 560 is positioned below the armpit R4 of the occupant R between the upward deployment portion 43 and the laterally extending portion 51 .
- the upward movement of the airbag 542 is restricted by the intermediate portion 560 contacting the armpit R4 and the arm R1 from below. Therefore, the airbag 542 can be wrapped around the passenger R effectively. Since gas does not flow into the intermediate portion 560, the airbag 542 can be quickly deployed even when the intermediate portion 560 is provided. Since the intermediate portion 560 is a portion left uncut when the shape of the airbag 542 is adjusted after the airbag 542 is sewn, it can be easily formed.
- the airbag 542 includes the intermediate portion 560 between the upper deployment portion 43 and the second deployment portion 50, and the intermediate portion 560 is , the upper deployment portion 43 and the second deployment portion 50 are connected, and the intermediate portion 560 is not inflated by the gas that deploys the airbag 542 .
- the intermediate portion 560 abuts on the occupant R, so that the airbag 542 can be positioned at an appropriate position with respect to the occupant R when inflated, and the occupant R can be protected well.
- Airbags with different specifications can be easily formed by adjusting the size of the intermediate portion 560 . Since gas does not flow into the intermediate portion 560, the airbag 542 can be rapidly deployed.
- the intermediate portion 560 may be provided between the upward deployment portion 43 and the rearward extension portion 52 . Also, some gas from the inflator 41 may flow into the intermediate portion 560 . In this case, the intermediate portion 560 expands, but the expansion amount of the intermediate portion 560 is smaller than the expansion amount of the second deployment portion 50 and the expansion amount of the upper deployment portion 43 . Further, the intermediate portion 560 may be provided between the upper deployment portion 43 and the second deployment portion 250 of the airbag 242 of the second embodiment. Further, the intermediate portion 560 may be provided in the airbags of the third embodiment, the fourth embodiment, and the sixth embodiment.
- FIG. 16 A sixth embodiment to which the present invention is applied will be described below with reference to FIGS. 16 to 18.
- FIG. parts configured in the same manner as in the above-described embodiment (first embodiment) are denoted by the same reference numerals, and descriptions thereof are omitted.
- the sixth embodiment differs from the above embodiments in that the second deployment portion 650 extends rearward from the first deployment portion 635 .
- FIG. 16 is a front view showing a state in which the airbag 642 is deployed to protect the passenger R in the sixth embodiment, as seen from the front.
- 17 is a left side view showing a state in which the airbag 642 is deployed to protect the passenger R.
- the airbag 642 is housed in the airbag housing portion 29a (FIG. 1).
- the airbag 642 is connected to the inflator 41 via the disconnection mechanism 49 .
- the airbag 642 includes a first deployment portion 635, an upper deployment portion 643, a pair of left and right second deployment portions 650 branching from the first deployment portion 635 and extending rearward, and an inflator connection portion 44 (FIG. 5).
- the inflator connection portion 44 is provided at the lower end portion of the first deployment portion 635 .
- the first deployment portion 635 is obtained by expanding the width of the first deployment portion 35 of the above embodiment in the vehicle width direction, and has the same basic shape as the first deployment portion 35 .
- the width of the first deployment portion 635 in the vehicle width direction is greater than the width of the body R3. Therefore, in the unfolded state, both ends of the first unfolding portion 635 in the vehicle width direction are located outside the body R3 in the vehicle width direction.
- the upper deployment portion 643 is obtained by expanding the width of the upper deployment portion 43 of the above embodiment in the vehicle width direction, and has the same basic shape as the upper deployment portion 43 . That is, in the upper deployment portion 643, the widths of the one side upper deployment portion 45 and the other side upper deployment portion 46 are larger than those of the above embodiment.
- the width of the upward deployment portion 643 in the vehicle width direction is greater than the width of the body R3. Therefore, in the deployed state, both ends in the vehicle width direction of the upper deployment portion 643 are positioned outside in the vehicle width direction with respect to the body R3.
- a connection member 48 ( FIG. 6 ) is provided on the rear surface 43 a of the upward deployment portion 643 .
- the second deployment portion 650 is rod-shaped and extends rearward of the vehicle from the rear surface of the first deployment portion 635 .
- the second deployment portion 650 is rod-shaped and thinner than the upper deployment portion 643 .
- a base end portion of the second deployment portion 650 communicates with the inside of the first deployment portion 635 .
- each of the second deployment portions 650 includes a second rearward extension portion 652 extending rearward from the vehicle width direction outer end portion of the rear surface of the first deployment portion 635, and the second rearward extension portion 652.
- an inner bent portion 653 that bends inward in the vehicle width direction from the rear end portion; a downward extension portion 654 that bends from the inner bent portion 653 and extends downward;
- a folded portion 655 that folds back toward the rearwardly extending portion 652 is provided.
- the inner bent portion 653, the downwardly extending portion 654, and the folded portion 655 have the same shapes as the inner bent portion 53, the downwardly extending portion 54, and the folded portion 55, respectively, of the above embodiment. A detailed description of is omitted.
- the second rearward extending portion 652 extends rearward from the lower portion of the deployment portion formed by the first deployment portion 635 and the upward deployment portion 643 . 16, the upper end 635a of the first developed portion 635 is positioned at the upper end of the connecting portion between the first deployed portion 635 and the second rearwardly extending portion 652. As shown in FIG.
- the second rearward extending portion 652 extends rearward toward the rear side of the seat 17 from the vehicle width direction outer end portion of the rear surface of the first deployment portion 635 .
- the second rearward extending portion 652 extends almost right behind the first deployment portion 635 .
- the second rearward extending portion 652 has a bar shape extending obliquely rearward and upward from the first unfolding portion 635 in a vehicle side view, and is thinner than the upward unfolding portion 643 .
- the second rearwardly extending portion 652 extends from the first deployment portion 635 and passes between the arm R1 of the occupant R who is seated on the seat 17 and grips the handle 21 and the leg R2 of the occupant R, and extends on the outer surface of the body R3. It extends to the rear of the occupant R along.
- the second rearward extension portion 652 forms a section from the first deployment portion 635 to the inner bent portion 653 .
- the second rearward extending portion 652 extends rearward along the outer surface of the body R3.
- the inner bent portion 653 is provided at the end portion of the second rearwardly extending portion 652 in the extending direction.
- the inner bent portion 653 is positioned rearward and upward with respect to the first deployment portion 635 .
- the inner bent portion 653 wraps around the rear surface side of the trunk R3 and contacts the passenger R's back.
- the downward extending portion 654 extends downward along the back of the occupant R from the vehicle width direction inner end portion of the inner bent portion 653 .
- the folded portion 655 extends toward a second rearwardly extending portion 652 that extends rearwardly upward in front of the folded portion 655 and contacts the second rearwardly extending portion 652 from behind.
- the airbag 642 When the airbag 642 is deployed, the airbag 642 surrounds the occupant R and adheres to the occupant R. Specifically, the first deployment portion 635 and the upper deployment portion 643 abut against the trunk R3 from the front to protect the trunk R3.
- the left and right second rearward extensions 652 are located below the arm R1.
- the second rearward extending portion 652 extends rearward through between the arm R1 and the leg R2 and covers the lower portion of the body R3 from outside in the vehicle width direction. This prevents the arm R1 from interfering with the second deployable portion 650 when the second deployable portion 650 is deployed rearward.
- the second rearward extending portion 652 abuts against the outer surface of the body R3 below the arm R1 to protect the body R3.
- the second rearward extending portion 652 extends rearward and upward along the arm R1.
- the inner bent portion 653 and the downwardly extending portion 654 come into contact with the back of the occupant R and protect the back.
- the folded portion 655 contacts the outer surface of the trunk R3 below the second rearward extension portion 652 to protect the trunk R3.
- the folded portion 655 abuts the second rearwardly extending portion 652 from the rear to suppress deformation of the overall shape of the second deployed portion 650 and maintain the second deployed portion 650 in an appropriate shape. .
- the second deployable portion 650 of the airbag 642 passes under the arm R1, the second deployable portion 650 is unlikely to interfere with the arm R1, and the airbag 642 is not easily obstructed by the occupant R via the upward deployable portion 643 and the second deployable portion 650. adheres well to Furthermore, the airbag 642 adheres well to the occupant R because the second rearwardly extending portion 652 is sandwiched between the arm R1 and the leg R2.
- the airbag 642 sandwiches the occupant R from the front-rear direction of the vehicle with the first deployment portion 635 and the upward deployment portion 643 , and the inner bent portion 653 and the downward extension portion 654 of the second deployment portion 650 . Further, the airbag 642 sandwiches the occupant R in the left-right direction with the left and right second rearward extending portions 652 and the left and right folded portions 655 . Therefore, the airbag 642 adheres to the occupant R well. At least a portion of the inner bent portion 653 overlaps the upwardly developed portion 643 in the vehicle front-rear direction. That is, in the front view shown in FIG. 16, the upward deployment portion 643 overlaps at least a portion of the inner bent portion 653 from the front.
- the second deploying part 650 is rod-shaped and has a small volume, so it deploys quickly. When the airbag 642 is deployed, the length of the second deployment portion 650 in the deployment direction is longer than the total length of the first deployment portion 635 and the upper deployment portion 643 in the deployment direction.
- the airbag 642 includes the first deployment portion 635 that deploys upward when deployed, and the first deployment portion 635 that deploys upward from the first deployment portion 635 when deployed. and a second deployment portion 650 that branches and extends from the first deployment portion 635 when deployed.
- the second deployment portion 650 extends rearward from the first deployment portion 635 .
- the upper deployment portion 643 is deployed upward from the first deployment portion 635, and the second deployment portion 650 extends rearward from the first deployment portion 635, so that the airbag 642 can be made compact and the airbag can be
- the occupant R can be well protected by the airbag 642 by suppressing the interference of the occupant R's arm R1 with the airbag 642.
- FIG. 18 is a front view showing a state in which an airbag 642 is deployed to protect a passenger R in a modified example of the sixth embodiment.
- the second deployment portion 650 extends rearward from the rear surface of the first deployment portion 635, but the second deployment portion 650 extends rearward and laterally from the rear surface of the first deployment portion 635. You can extend it.
- the second deployment portion 650 is referred to as a second deployment portion 650' for distinction.
- a second rearward extension portion 652 ′ of the second deployment portion 650 ′ extends rearward and laterally from the rear surface of the first deployment portion 635 .
- the second rearwardly extending portion 652 ′ is inclined so as to be positioned outward in the vehicle width direction toward the rear from the first expanded portion 635 to the inner bent portion 653 .
- the folded portion 655 is folded forward toward the second rearwardly extending portion 652'.
- FIG. 19 A seventh embodiment to which the present invention is applied will be described below with reference to FIGS. 19 and 20.
- FIG. In the seventh embodiment parts configured in the same manner as in the above-described embodiment (first embodiment) are denoted by the same reference numerals, and descriptions thereof are omitted.
- the seventh embodiment is different from the above embodiment in that the airbag 42 is provided in the passenger equipment 771 that the passenger R wears.
- FIG. 19 is a left side view showing a state in which the airbag 42 is deployed to protect the occupant R in the seventh embodiment.
- FIG. 20 is a front view of a state in which the airbag 42 is deployed to protect the occupant R, as seen from the front.
- the occupant protector 770 includes an occupant equipment 771 worn by the occupant R and an airbag 42 supported by the occupant equipment 771 .
- the occupant equipment 771 is a belt detachably attached to the lower portion of the trunk R3.
- the occupant equipment 771 includes a strip-shaped belt portion 771a that wraps around the outer circumference of the body R3, and a case-shaped airbag storage portion 771b that is provided on the front surface of the belt portion 771a.
- the airbag storage portion 771b is positioned in front of the lower portion of the torso R3.
- the airbag 42 is stored in the airbag storage portion 771b in a folded state.
- An inflator 41 (FIG. 1) is also housed in the airbag housing portion 771b.
- the airbag 42 is positioned in front of the lower portion of the torso R3.
- the airbag 42 deploys upward and rearward from the airbag storage portion 771b. When the airbag 42 is deployed, the airbag 42 surrounds the occupant R and adheres to the occupant R. Since the deployment state of the airbag 42 of the passenger equipment 771 shown in FIGS. 19 and 20 is the same as in the above-described embodiment (see FIGS. 2 to 4), detailed description is omitted here.
- the occupant protection device 770 includes the occupant equipment 771 worn by the occupant R riding in the saddle type vehicle 10 and the airbag 42 .
- the airbag 42 is supported by the occupant equipment 771 and positioned on the front side of the torso R3 of the occupant R.
- the airbag 42 includes a first deployment portion 35 that deploys upward when deployed and a An upward deployment portion 43 that deploys upward from the first deployment portion 35 and a second deployment portion 50 that branches and extends from the first deployment portion 35 during deployment are provided.
- the second deployment portion 50 extends outward in the vehicle width direction from the first deployment portion 35 .
- the upward deployment portion 43 deploys upward from the first deployment portion 35, and the second deployment portion 50 extends outward in the vehicle width direction from the first deployment portion 35, so that the airbag 42 can be made compact, and , the airbag 42 can be prevented from being interfered with by the arm R1 of the occupant R, and the occupant R can be well protected by the airbag 42.
- the airbag 42 is housed in the airbag housing portion 771b when not in operation, and deploys when protecting the passenger R. As shown in FIG. For this reason, air permeability is better than, for example, an airbag that is worn on the occupant R in a constantly deployed state.
- the second deployment portion 50 may extend rearward from the rear surface of the first deployment portion 635 like the second deployment portion 650 in FIG. Also, the second deployment portion 50 may extend rearward and laterally from the rear surface of the first deployment portion 635 like the second deployment portion 650 in FIG. 18 . Also, instead of the airbag 42, any one of the airbags 242, 542, and 642 may be provided in the airbag storage portion 771b.
- FIG. 8 An eighth embodiment to which the present invention is applied will be described below with reference to FIG.
- parts configured in the same manner as in the above-described embodiment (first embodiment) are denoted by the same reference numerals, and descriptions thereof are omitted.
- the eighth embodiment differs from the above-described embodiment in that the airbag 42 is provided in the passenger equipment 871 worn by the passenger R. As shown in FIG.
- FIG. 21 is a front view of a state in which the airbag 42 is deployed to protect the occupant R in the eighth embodiment, as seen from the front.
- the occupant protection device 870 includes an occupant equipment 871 worn by the occupant R and an airbag 42 supported by the occupant equipment 871 .
- the crew equipment 871 is a jacket detachably attached to the trunk R3. This jacket is, for example, a vest type jacket.
- the occupant's equipment 871 has a case-shaped airbag storage portion 871b at the lower portion of a jacket front portion 871a that covers the torso R3 from the front.
- the airbag storage portion 871b is positioned in front of the lower portion of the torso R3.
- the airbag 42 is stored in the airbag storage portion 871b in a folded state.
- An inflator 41 (FIG. 1) is also housed in the airbag housing portion 871b.
- the airbag 42 is positioned in front of the lower portion of the torso R3.
- the airbag storage portion 871b may be a pocket provided in the jacket for the airbag .
- the airbag storage portion 871b may be a fastener such as a button or fastener that enables the airbag 42 to be attached to the jacket.
- the airbag 42 deploys upward and rearward from the airbag storage portion 871b. When the airbag 42 is deployed, the airbag 42 surrounds the occupant R and adheres to the occupant R. Since the deployment state of the airbag 42 of the passenger equipment 871 shown in FIG. 21 is the same as in the above-described embodiment (see FIGS. 2 to 4), detailed description thereof is omitted here.
- the occupant protection device 870 includes the occupant equipment 871 worn by the occupant R riding in the saddle type vehicle 10 and the airbag 42 .
- the airbag 42 is supported by the occupant equipment 871 and positioned on the front side of the torso R3 of the occupant R.
- the airbag 42 includes a first deployment portion 35 that deploys upward when deployed, and An upward deployment portion 43 that deploys upward from the first deployment portion 35 and a second deployment portion 50 that branches and extends from the first deployment portion 35 during deployment are provided.
- the second deployment portion 50 extends outward in the vehicle width direction from the first deployment portion 35 .
- the upward deployment portion 43 deploys upward from the first deployment portion 35, and the second deployment portion 50 extends outward in the vehicle width direction from the first deployment portion 35, so that the airbag 42 can be made compact, and , the airbag 42 can be prevented from being interfered with by the arm R1 of the occupant R, and the occupant R can be well protected by the airbag 42.
- the airbag 42 is housed in the airbag housing portion 871b when not in operation, and deploys when protecting the passenger R. As shown in FIG. For this reason, air permeability is better than, for example, an airbag that is worn on the occupant R in a constantly deployed state.
- the second deployment portion 50 may extend rearward from the rear surface of the first deployment portion 635 like the second deployment portion 650 in FIG. Also, the second deployment portion 50 may extend rearward and laterally from the rear surface of the first deployment portion 635 like the second deployment portion 650 in FIG. 18 . Further, instead of the airbag 42, any one of the airbags 242, 542, and 642 may be provided in the airbag storage portion 871b.
- a saddle-ride type vehicle including a seat for an occupant and an airbag provided in front of or in front of the seat, the airbag includes a first deployment portion that deploys upward when deployed. an upward deployment portion that is deployed upward from the first deployment portion when deployed; and a second deployment portion that branches and extends from the first deployment portion when deployed, wherein the second deployment portion is the first deployment portion.
- a saddle-riding type vehicle characterized by extending outwardly, rearwardly, or rearwardly outwardly from a portion of the vehicle.
- the upward deployment portion deploys upward from the first deployment portion, and the second deployment portion extends from the first deployment portion outward in the vehicle width direction, rearward, or rearward and outward, so that the airbag is can be made compact, and interference with the airbag by the arms of the occupant can be suppressed to protect the occupant satisfactorily with the airbag.
- the second deployment portion includes a side extension portion extending outward in the vehicle width direction from the first deployment portion, and a rear extension portion extending rearward from the side extension portion.
- the second deployment portion includes an inner bent portion that bends inward in the vehicle width direction from at least one of the rearwardly extending portion and the second rearwardly extending portion.
- (Configuration 5) A configuration characterized in that the rearward extension portion and the second rearward extension portion extend outward in the vehicle width direction toward the rear until they reach the inner bent portion. 5.
- (Arrangement 6) The saddle-ride type vehicle according to Arrangement 4 or 5, wherein the second deployment portion includes a downwardly extending portion bent from the inner bent portion and extending downward. According to this configuration, the occupant can be protected from behind over a wide range by the inner bent portion and the downwardly extending portion. In addition, the downward extending portion allows the airbag to be effectively adhered to the occupant.
- (Arrangement 8) The saddle according to Arrangement 6 or 7, wherein the second unfolded portion includes a folded portion that folds back from the downwardly extending portion toward the rearwardly extending portion or the second rearwardly extending portion. ride-on vehicle. According to this configuration, the occupant can be protected by the folded portion. In addition, since the folded portion abuts on the rearwardly extending portion or the second rearwardly extending portion, it is easy to maintain the second unfolded portion in an appropriate shape.
- the second deployment portion includes an extension portion extending from the first deployment portion outward in the vehicle width direction, rearward, or rearward and laterally, and at least the upward deployment portion extending from the extension portion.
- a straddle-type vehicle according to the first aspect further comprising a second upwardly extending portion extending upwardly to a position of . According to this configuration, the occupant can be protected by the second upwardly deployed portion, and the occupant can be sandwiched between the upwardly deployed portion, the extension portion, and the second upwardly deployed portion, so that the airbag can be adhered to the occupant satisfactorily. .
- the upward deployment portion is deployed upward along the front surface of the torso of the occupant seated on the seat, and the second deployment portion is the occupant seated on the seat and holding a steering handle.
- the straddle-type vehicle according to any one of configurations 1 to 11, wherein the saddle-ride type vehicle extends between the arms of the occupant and the legs of the occupant. According to this configuration, it is possible to prevent the second deploying portion from interfering with the arm, and to attach the airbag to the occupant in a favorable manner through the second deploying portion sandwiched between the arm and the leg. Since the second deployable part has a size that allows it to pass between the arm and the leg, the second deployable part can be made compact.
- the upward deployment portion includes one side upward deployment portion that extends upward on one of the left and right sides, another side upward deployment portion that extends upward on the other left and right sides, and a space in the upward deployment portion. into the one side upward deployment portion and the other side upward deployment portion, wherein the partition portion is provided on at least the rear surface of the upward deployment portion, and the upward deployment portion extends vertically
- a connection member is attached to the rear surface of the upwardly developed portion and connects the one side upwardly deployed portion and the other side upwardly deployed portion to the left and right.
- a straddle-type vehicle according to any one of configurations 1 to 14. According to this configuration, the upper deployment portion can be bent starting from the partition portion where the one side upper deployment portion and the other side upper deployment portion extend vertically.
- the airbag can provide good protection for the occupants.
- the connecting member can regulate the bending state of the one side upwardly deployed portion and the other side upwardly deployed portion, and the upwardly deployed portion can be effectively aligned with the occupant.
- An inflator that injects gas into the airbag to deploy the airbag is connected to the airbag, and a detachment mechanism is provided to detach the airbag from the inflator after the airbag is deployed.
- a straddle-type vehicle according to any one of features 1 to 15. According to this configuration, the airbag is separated from the inflator after the airbag is deployed, so that the airbag is prevented from being displaced downward by the inflator after the airbag is deployed. Therefore, the airbag can be adhered to the occupant satisfactorily. In addition, the airbag can be separated while holding the occupant with the airbag.
- the airbag includes an intermediate portion between the upper deployment portion and the second deployment portion, the intermediate portion connecting the upper deployment portion and the second deployment portion, and 17.
- the straddle-ride type vehicle according to any one of configurations 1 to 16, wherein the expansion portion has a smaller amount of expansion than the second expansion portion, or is not expanded by the gas for expanding the airbag.
- the intermediate portion contacts the occupant, so that the airbag can be positioned at an appropriate height relative to the occupant when inflated, and the occupant can be well protected.
- Airbags with different specifications can be easily formed by adjusting the size of the intermediate portion. Since the intermediate portion expands little or does not expand, the airbag can be rapidly deployed.
- (Arrangement 18) A vehicle equipped with an airbag provided in front of an occupant's boarding position, wherein the vehicle is a standing-ride type vehicle in which the occupant stands at the boarding position, and the airbag is positioned upward when deployed. a first deployment portion that deploys; an upward deployment portion that deploys upward from the first deployment portion when deployed; and a second deployment portion that branches and extends from the first deployment portion when deployed; A vehicle, characterized in that it extends outward in the vehicle width direction, rearward, or rearward and outward from the first deployment portion.
- the upward deployment portion deploys upward from the first deployment portion, and the second deployment portion extends from the first deployment portion outward in the vehicle width direction, rearward, or rearward and outward, so that the airbag is can be made compact, and interference with the airbag by the arms of the occupant can be suppressed to protect the occupant satisfactorily with the airbag.
- an occupant protection device comprising an occupant equipment worn by an occupant riding in a vehicle and an airbag
- the airbag is supported by the occupant equipment and is positioned on the front side of the torso of the occupant.
- the airbag includes a first deployment portion that deploys upward when deployed, an upward deployment portion that deploys upward from the first deployment portion when deployed, and a first deployment portion that branches and extends from the first deployment portion when deployed. and two deployment portions, wherein the second deployment portion extends outward in the vehicle width direction, rearward, or rearward and outward from the first deployment portion.
- the upward deployment portion deploys upward from the first deployment portion, and the second deployment portion extends from the first deployment portion outward in the vehicle width direction, rearward, or rearward and outward, so that the airbag is can be made compact, and interference with the airbag by the arms of the occupant can be suppressed to protect the occupant satisfactorily with the airbag.
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Abstract
Description
本発明は、上述した事情に鑑みてなされたものであり、鞍乗り型車両、車両、及び、乗員保護具において、エアバッグをコンパクトにし、且つ、エアバッグが乗員の腕によって干渉されることを抑制してエアバッグで乗員を良好に保護することを目的とする。
また、車両は、乗員用の乗車位置より前方に設けられるエアバッグを備える車両において、前記車両は、前記乗車位置に乗員が立ち乗りする立ち乗り型車両であり、前記エアバッグは、展開時に上方に展開する第1展開部と、展開時に前記第1展開部から上方に展開する上方展開部と、展開時に前記第1展開部から分岐して延びる第2展開部とを備え、前記第2展開部は、前記第1展開部から、車幅方向外側、後方、及び後外側方のいずれかに延出することを特徴とする。
また、乗員保護具は、車両に乗車する乗員が装着する乗員用装備具と、エアバッグとを備え、前記エアバッグは、前記乗員用装備具に支持されて前記乗員の胴体の前面側に位置し、前記エアバッグは、展開時に上方に展開する第1展開部と、展開時に前記第1展開部から上方に展開する上方展開部と、展開時に前記第1展開部から分岐して延びる第2展開部とを備え、前記第2展開部は、前記第1展開部から、車幅方向外側、後方、及び後外側方のいずれかに延出することを特徴とする。
図1は、本発明の実施の形態に係る鞍乗り型車両10の側面図である。
鞍乗り型車両10は、車体フレーム11と、車体フレーム11に支持されるパワーユニット12と、前輪13を操舵自在に支持するフロントフォーク14と、後輪15を支持するスイングアーム16と、乗員用のシート17とを備える車両である。
鞍乗り型車両10は、乗員がシート17に跨るようにして着座する車両である。シート17は、車体フレーム11の後部の上方に設けられる。
シート17は、リアフレーム20に支持される。
後輪15は、スイングアーム16の後端部に設けられる車軸15aに支持される。
パワーユニット12は、内燃機関である。パワーユニット12は、クランクケース23と、往復運動するピストンを収容するシリンダー部24とを備える。シリンダー部24の排気ポートには、排気装置25が接続される。
パワーユニット12の出力は、パワーユニット12と後輪15とを接続する駆動力伝達部材によって後輪15に伝達される。
フロントフェンダー26は、フロントフォーク14に取り付けられる。リアフェンダー27及びステップ28は、シート17よりも下方に設けられる。燃料タンク29は、車体フレーム11に支持される。
シート17に着座した乗員Rは、両方の腕R1を前方に延ばしてハンドル21を把持するとともに、両足をステップ28に乗せ、両方の脚R2で燃料タンク29及び車体フレーム11等の車体を挟んで車体を保持する。
エアバッグ装置40は、シート17よりも前方に配置され、車両側面視で燃料タンク29の後端部に対し車幅方向に重なる位置に設けられる。
エアバッグ装置40は、燃料タンク29の後端部に設けられるエアバッグ収納部29aに配置される。エアバッグ収納部29aは、例えば燃料タンク29の後端部が凹んだ凹部であり、この凹部内にエアバッグ装置40が配置される。
エアバッグ42は、エアバッグ収納部29aを上方から覆うカバー(不図示)によって覆われている。エアバッグ42は、膨張する際、上記カバーを押し退けて展開する。
エアバッグ42は、エアバッグ収納部29aから上方に展開する第1展開部35と、第1展開部35から上方に展開する上方展開部43と、第1展開部35から分岐して車幅方向外側に延びる左右一対の第2展開部50とを備える。
また、エアバッグ42は、インフレーター41に接続されるインフレーター接続部44を、第1展開部35の下端部に備える。
図2~図6を参照し、第1展開部35は、エアバッグ42が展開した状態において、エアバッグ42の基部である。第1展開部35は、車幅方向の中央に配置され、乗員Rの胴体R3の下部を前方から覆う。
上方展開部43は、第1展開部35の上端から上方に延出する。上方展開部43は、第1展開部35に連通している。上方展開部43は、車幅方向の中央に配置され、乗員Rの胴体R3を前方から覆う。
上方展開部43は、車幅方向の中央に対し左右の一方側で第1展開部35から上方に延出する一側上方展開部45と、車幅方向の中央に対し左右の他方側で第1展開部35から上方に延出する他側上方展開部46とを一体に備える。
一側上方展開部45と他側上方展開部46とは車幅方向(左右方向)に繋がっており、互いに略平行に上方に延出する。
また、他側上方展開部46は、正面視において、第1展開部35の上端から略鉛直に上方に延びる第1上方延出部46aと、第1上方延出部46aの上端から車幅方向外側且つ上方に斜めに延びる上部延出部46bとを備える。
仕切り部47は、後面43aにおける車幅方向の中央部を縫い合わせて前方へ突出させた壁部である。仕切り部47は、上方展開部43内に突出する。仕切り部47は、上方展開部43の車幅方向の中央の位置を、上方展開部43の展開方向に沿って上下に延在する。
仕切り部47は、上方展開部43内の後部のみに設けられており、上方展開部43内の前部では、一側上方展開部45と他側上方展開部46とは連通している。
また、仕切り部47は、第1展開部35の後面の左右の中央部を通って第1展開部35の下縁まで延びている。すなわち、第1展開部35も、仕切り部47によって左右に仕切られている。
接続部材48は、車幅方向に延びる帯状の紐である。接続部材48は、上方展開部43が展開した状態において車幅方向に略水平に延びる。
接続部材48は、第1展開部35と上方展開部43とによって形成される展開部の上下の中間部に設けられる。接続部材48は、第1上方延出部45aと第1上方延出部46aとを接続する。
接続部材48は、上方展開部43が展開した状態において、上方展開部43の折り曲がりの程度を規制し、上方展開部43及び第1展開部35を良好なV字形状にする。このため、上方展開部43及び第1展開部35を胴体R3に良好に付着させることができる。
インフレーター接続部44は、エアバッグ42を展開させるガスの流入口であり、インフレーター41が放出するガスは、インフレーター接続部44から第1展開部35に流入し、第1展開部35から分岐して上方展開部43及び第2展開部50に流れる。
なお、インフレーター接続部44は、一側上方展開部45及び他側上方展開部46の下方にそれぞれ設けられているが、インフレーター接続部44は少なくとも1か所に設けられれば良い。
第2展開部50の基端部は、第1展開部35内に連通している。
詳細には、各第2展開部50は、第1展開部35から車幅方向外側に延出する側方延出部51と、側方延出部51から後方に延出する後方延出部52と、後方延出部52から車幅方向内側に向けて屈曲する内側屈曲部53と、内側屈曲部53から屈曲して下方に延びる下方延出部54と、下方延出部54の下端部から前方の後方延出部52に向けて折り返す折り返し部55とを備える。
図5の正面視では、第1展開部35の上端35aは、側方延出部51と第1展開部35との接続部の上端に位置する。
後方延出部52は、車両側面視で、側方延出部51から後上方に斜めに延びる棒状であり、上方展開部43よりも細い。
後方延出部52は、側方延出部51から、シート17に着座してハンドル21を把持する乗員Rの腕R1と乗員Rの脚R2との間を通り、胴体R3の外側面に沿って乗員Rの後方まで延出する。
内側屈曲部53は、後方延出部52の延出方向の端部に設けられる。内側屈曲部53は、側方延出部51に対し後方且つ上方に位置する。内側屈曲部53は、胴体R3の後面側に回り込み、乗員Rの背中に接する。
折り返し部55は、折り返し部55の前方で後上がりに延びる後方延出部52に向けて延出し、後方延出部52に後方から当接する。なお、折り返し部55は、後方延出部52に当接せずに、後方延出部52に後方から近接していても良い。また、第2展開部50が折り返し部55を備えずに、下方延出部54が前方の後方延出部52に向けて屈曲しても良い。
詳細には、第1展開部35及び上方展開部43は、胴体R3に前方から当接し、胴体R3を保護する。上方展開部43の上部延出部45b,46bは、乗員Rの肩を前方から覆う。
左右の側方延出部51は、腕R1よりも下方に位置する。側方延出部51は、腕R1と脚R2との間を通って車幅方向外側に延び、胴体R3の下部に対し車幅方向外側に延出する。
内側屈曲部53及び下方延出部54は、乗員Rの背中に当接し、背中を保護する。
折り返し部55は、後方延出部52の下方で胴体R3の外側面に当接し、胴体R3を保護する。また、折り返し部55は、後方延出部52に後方から当接することで、第2展開部50の全体的な形状の変形を抑制し、第2展開部50を適切な形状に維持する。
内側屈曲部53の少なくとも一部は、車両前後方向で上方展開部43に重なる。すなわち、図3に示す正面視では、上方展開部43は、内側屈曲部53(図4)の少なくとも一部に前方から重なる。このため、内側屈曲部53と上方展開部43とで乗員Rを前後に挟むことができ、エアバッグ42を乗員Rに効果的に付着させることができる。
第2展開部50は、棒状であり、容積が小さいため、迅速に展開する。
図5を参照し、エアバッグ42が展開した状態で、第2展開部50の展開方向の長さL1は、第1展開部35及び上方展開部43を足した展開方向の長さL2よりも長い。
インフレーター41が作動してエアバッグ42が展開すると、エアバッグ42は乗員Rに付着するとともに、インフレーター41から切り離される。このため、エアバッグ42の展開後に、エアバッグ42がインフレーター41に引っ張られて乗員Rからずれることが抑制される。
切り離し機構49は、切り離されたエアバッグ42からのガスの流出を抑制する逆止弁(不図示)を備える。このため、エアバッグ42は、切り離された後も膨張した状態を維持し、乗員Rに良好に付着する。
この構成によれば、上方展開部43が第1展開部35から上方に展開し、第2展開部50が第1展開部35から車幅方向外側に延びるため、エアバッグ42をコンパクトにし、且つ、エアバッグ42が乗員Rの腕R1によって干渉されることを抑制してエアバッグ42で乗員Rを良好に保護できる。
この構成によれば、側方延出部51及び後方延出部52を介してエアバッグ42を乗員Rに効果的に付着させることができるとともに、後方延出部52によって乗員Rの側方を保護できる。
この構成によれば、内側屈曲部53によって乗員Rを後方から保護できるとともに、内側屈曲部53と上方展開部43とによって乗員Rを前後に挟むようにして、エアバッグ42を乗員Rに効果的に付着させることができる。
この構成によれば、後方延出部52を乗員Rに沿うように後方へ良好に展開できる。
この構成によれば、内側屈曲部53及び下方延出部54によって、乗員Rを広い範囲に亘って後方から保護できる。また、下方延出部54によってエアバッグ42を効果的に乗員Rに付着させることができる。
この構成によれば、後方延出部52から延びる内側屈曲部53の位置が高くなるため、内側屈曲部53及び下方延出部54を上下に広い範囲に設けることができる。このため、内側屈曲部53及び下方延出部54によって乗員Rを効果的に保護できる。また、乗員Rの高い位置を保護できるため頭部や首周辺の保護がし易い。
この構成によれば、折り返し部55によって乗員Rを保護できる。また、折り返し部55が後方延出部52に当接することで、第2展開部50を適切な形状に維持し易い。
この構成によれば、第2展開部50が長いため、第2展開部50によって乗員Rを効果的に保持できる。また、第1展開部35及び上方展開部43が短いため、第1展開部35及び上方展開部43を迅速に展開できる。
この構成によれば、第2展開部50が腕R1の邪魔になることを抑制できるとともに、腕R1と脚R2に挟まれる第2展開部50を介してエアバッグ42を乗員に良好に付着させることができる。第2展開部50は腕R1と脚R2との間を通ることが可能な大きさであるため、第2展開部50をコンパクト化できる。
この構成によれば、第2展開部50が棒状であるため、第2展開部50の容積を小さくできるとともに、第2展開部50を効果的に乗員Rに付着させることができる。
この構成によれば、インフレーター接続部44及び第2展開部50が第1展開部35に設けられるため、インフレーター接続部44と第2展開部50とが近くなる。このため、第2展開部50にガスを効率良く流すことができ、第2展開部50を迅速に展開できる。
なお、インフレーター接続部44は、第1展開部35の下端部に設けられているが、これに限らず、インフレーター接続部44は、上方展開部43の上下の中間部よりも下方の位置に設けられても良い。
この構成によれば、上方展開部43は、一側上方展開部45と他側上方展開部46とが上下に延在する仕切り部47を起点に折り曲げ可能であるため、上方展開部43を乗員Rに沿わせることができ、エアバッグ42によって乗員Rを良好に保護できる。さらに、接続部材48によって、一側上方展開部45と他側上方展開部46との折り曲げの状態を規制でき、上方展開部43を効果的に乗員Rに沿わせることができる。
この構成によれば、エアバッグ42の展開後にエアバッグ42がインフレーター41から切り離されるため、エアバッグ42の展開後に、エアバッグ42がインフレーター41によって下方にずらされることが抑制される。このため、エアバッグ42を乗員Rに良好に付着させることができる。また、エアバッグ42で乗員Rを把持しつつ、エアバッグ42を切り離しできる。
上記実施の形態では、エアバッグ42は、シート17よりも前方に設けられるものとして説明したが、本発明はこれに限定されない。エアバッグ42は、シート17の前部であって、乗員Rの着座位置よりも前方に設けられても良い。また、エアバッグ装置40は、シート17に内蔵して配置されても良い。
また、上記実施の形態では、仕切り部47は、上方展開部43内の後部のみに設けられるものとして説明したが、本発明はこれに限定されない。仕切り部47は、一側上方展開部45と他側上方展開部46とを完全に仕切るように、上方展開部43の後面43aから前面まで延びても良い。また、仕切り部47は、上方展開部43内の前部のみに設けられても良い。
また、第2展開部50は、左右一対設けられるものとして説明したが、左右の一方のみに設けられても良い。
さらに、上記実施の形態では、鞍乗り型車両10として自動二輪車を例に挙げて説明したが、本発明はこれに限定されるものではなく、本発明は、前輪または後輪を2つ備える3輪の鞍乗り型車両及び4輪以上を備える鞍乗り型車両に適用可能である。
以下、図7及び図8を参照して、本発明を適用した第2の実施の形態について説明する。この第2の実施の形態において、上記実施の形態(第1の実施の形態)と同様に構成される部分については、同符号を付して説明を省略する。
上記実施の形態では、第2展開部50は乗員Rの背中側まで延びたが、本第2の実施の形態は、第2展開部250が乗員Rの腕に巻き付くように展開する点が上記実施の形態と異なる。
エアバッグ242は、エアバッグ収納部29a(図1)に収納される。エアバッグ242は、切り離し機構49を介してインフレーター41に接続される。
第2展開部250は、第1展開部35と上方展開部43とによって形成される展開部の下部から延びる。
第1展開部35の上端35aは、第2展開部250と第1展開部35との接続部の上端に位置する。
第2展開部250は、上方展開部43よりも細い棒状である。第2展開部250の基端部は、第1展開部35内に連通している。
第2展開部250は、第1展開部35から、腕R1と脚R2との間を通って後外側方に延びた後、上方に延出する。
第1延出部254は、上方展開部43に対し少し後方の位置を上方に延びる。第1延出部254は、上方に向かうに従って車幅方向外側に位置するように延出する。
第2延出部255は、上方に向かうに従って車幅方向内側に位置するように屈曲する。
第2延出部255は、少なくとも上方展開部43の高さ位置まで上方に延びる。詳細には、第2延出部255は、上方展開部43の上面43cよりも上方に延出する。すなわち、第2延出部255は、上方展開部43よりも高い位置まで延出する。
第2延出部255は、乗員Rの腕R1の高さまで延びることが望ましい。第2延出部255は、腕R1の高さまで延びていれば良く、上方展開部43の上面43cよりも上方に延びていなくても良い。例えば、第2延出部255は、上方展開部43の下部と同じ高さ、または、上方展開部43の上部と同じ高さまで延びても良い。この場合、第2延出部255と上方展開部43とで腕R1を幅方向に挟んで把持できる。
詳細には、第1展開部35及び上方展開部43は、胴体R3に前方から当接し、胴体R3を保護する。上方展開部43の上部延出部45b,46bは、乗員Rの肩を前方から覆う。
左右の延出部252は、腕R1よりも下方に位置する。延出部252は、腕R1と脚R2との間を通って車幅方向外側に延び、胴体R3の下部に対し車幅方向外側に延出する。
第2上方展開部251の第2延出部255は、上方展開部43の後方側で腕R1の上方を車幅方向内側に回り込み、腕R1に上方から当接する。第2延出部255の先端部は、上方展開部43の上端部に当接しても良い。
図7の正面視では、上方展開部43の上端部は、第2延出部255の少なくとも一部に前方から重なる。
第2展開部250は、棒状であり、容積が小さいため、迅速に展開する。
エアバッグ242が展開した状態で、第2展開部250の展開方向の長さは、第1展開部35及び上方展開部43を足した展開方向の長さよりも大きい。
この構成によれば、第2展開部250によって乗員Rを保護できるとともに、上方展開部43及び第2展開部250によって乗員Rを挟むようにして、エアバッグ242を乗員Rに良好に付着させることができる。
また、第2上方延出部253は、上方展開部43の上面43cよりも上方に延びる。
この構成によれば、第2上方延出部253によって乗員Rの高い位置を良好に保護できる。
図8では、第2上方延出部253は、上方展開部43の後方側を通って上方に延びるが、第2上方延出部253は、図9に示すように、上方展開部43の前方側を通って上方に延びても良い。
変形例1では、延出部252は、第1展開部35の側部から車幅方向外側に延びる。より詳細には、延出部252は、第1展開部35から前外側方に延出する。
図8では、第2上方延出部253は、上方展開部43の後方側を通って上方に延びるが、第2上方延出部253は、図10に示すように、車両側面視で略全体が上方展開部43に車幅方向外側から重なる位置を通って上方展開部43と略平行に上方に延びても良い。
変形例2では、延出部252は、第1展開部35の側部から車幅方向外側にほぼ真横に延びる。
なお、延出部252は、第1展開部35から後方に延びても良い。この場合、第2上方延出部253は、延出部252の後端部から上方に延びて腕R1に巻き付く。
以下、図11を参照して、本発明を適用した第3の実施の形態について説明する。この第3の実施の形態において、上記実施の形態(第1の実施の形態)と同様に構成される部分については、同符号を付して説明を省略する。
本第3の実施の形態は、エアバッグ装置40がスクーター型の鞍乗り型車両310に搭載される点が、上記実施の形態と異なる。
鞍乗り型車両310は、車体フレーム311と、車体フレーム311に支持されるパワーユニット312と、前輪313を操舵自在に支持するフロントフォーク314と、後輪315を支持するスイングアーム316と、乗員用のシート317とを備える車両である。
鞍乗り型車両310は、乗員Rがシート317に跨るようにして着座するスクーター型の自動二輪車である。シート317は、車体フレーム311の後部の上方に設けられる。乗員Rが足を置く床状のステップフロア322は、シート317の前下方に設けられる。
パワーユニット312は、パワーユニット312の前部に接続されるリンク部材324を介して車体フレーム311の後部に連結され、リンク部材324を中心に上下に揺動する。
センタートンネル部328は、インナーカバー327の後方に位置する。センタートンネル部328は、車幅方向の中央部でステップフロア322から上方に膨出するトンネル状である。センタートンネル部328は、前後に延びるトンネル状のカバーであり、センタートンネル部328内には、例えば燃料タンク等の部品が配置される。
乗員Rは、センタートンネル部328を左右に跨いでステップフロア322にそれぞれ足を乗せる。
エアバッグ装置40は、車幅方向の中央に配置される。エアバッグ装置40は、図11ではヘッドパイプ318に後方から重なる位置に設けられるが、ヘッドパイプ318よりも高い位置に配置されても良い。
詳細には、センタートンネル部328の上方においてインナーカバー327の後面の上部には、エアバッグ装置40を収納するエアバッグ収納部327aが設けられる。なお、エアバッグ収納部327aは、インナーカバー327の前面側においてステム325の後方に設けられても良い。
エアバッグ42は、エアバッグ収納部327aから乗員Rに向けて展開する。
第3の実施の形態では、エアバッグ装置40は、上記実施の形態(第1の実施の形態)の構造に比して乗員Rから遠い位置に配置される。このため、エアバッグ装置40は、シート317に着座する乗員Rに適切に付着できるように長さ等が変更されても良い。
また、エアバッグ42に替えて、上記第2の実施の形態のエアバッグ242、第5の実施の形態のエアバッグ542、及び第6の実施の形態のエアバッグ642をエアバッグ収納部327aに配置しても良い。
なお、エアバッグ42は、エアバッグ収納部327a内に替えて、シート17の前部内に収納されても良い。
図12に示すように、鞍乗り型車両310は、センタートンネル部328を備えずに、ステップフロア322が、車幅方向の中央を跨ぐ略平坦面として形成されても良い。この場合においても、エアバッグ42は、シート317よりも前方で、インナーカバー327の後面部の上部に取り付けられる。
以下、図13を参照して、本発明を適用した第4の実施の形態について説明する。この第4の実施の形態において、上記実施の形態(第1の実施の形態)と同様に構成される部分については、同符号を付して説明を省略する。
本第4の実施の形態は、エアバッグ装置40が立ち乗り型車両410に搭載される点が、上記実施の形態と異なる。
立ち乗り型車両410は、車体フレーム411と、乗員Rが乗車する板状のデッキ部412と、車体フレーム411の前端部によって左右に操舵自在に支持される操舵部413と、操舵部413の下端部に支持される前輪414と、車体の後端部に設けられる後輪415とを備える車両である。デッキ部412は、車体フレーム411に支持される。
操舵部413は、車体フレーム411の前端部に支持されるステアリング軸416と、ステアリング軸416の上端部に設けられるハンドル417とを備える。
立ち乗り型車両410は、いわゆるキックボードであり、乗員Rが立った姿勢で乗車する車両である。
乗員Rの乗車位置418は、デッキ部412上においてハンドル417の後方且つ後輪415の前方に位置する。
エアバッグ装置40は、エアバッグ収納部420に収納される。
エアバッグ収納部420及びエアバッグ装置40は、乗車位置418に対し前方且つ上方に設けられる。
エアバッグ42は、エアバッグ収納部420から後上方に展開し、図2と同様に、第1展開部35、上方展開部43、及び第2展開部50によって乗員Rを周囲から囲むようにして乗員Rに付着する。
なお、図13に仮想線で示すように、エアバッグ収納部420をハンドル417よりも下方でステアリング軸416の後面に設け、このエアバッグ収納部420にエアバッグ装置40を収納しても良い。
また、エアバッグ42に替えて、上記第2の実施の形態のエアバッグ242、第5の実施の形態のエアバッグ542、及び第6の実施の形態のエアバッグ642をエアバッグ収納部420に配置しても良い。
この構成によれば、上方展開部43が第1展開部35から上方に展開し、第2展開部50が第1展開部35から車幅方向外側に延びるため、エアバッグ42をコンパクトにし、且つ、エアバッグ42が乗員Rの腕R1によって干渉されることを抑制してエアバッグ42で乗員を良好に保護できる。
以下、図14及び図15を参照して、本発明を適用した第5の実施の形態について説明する。この第5の実施の形態において、上記実施の形態(第1の実施の形態)と同様に構成される部分については、同符号を付して説明を省略する。
本第5の実施の形態は、エアバッグ542が中間部560を備える点が、上記実施の形態と異なる。
エアバッグ542は、第1展開部35と、上方展開部43と、左右一対の第2展開部50と、インフレーター接続部44とを備える。
さらに、エアバッグ542は、上方展開部43と第2展開部50との間で、上方展開部43と第2展開部50とを接続する中間部560を左右一対備える。
詳細には、中間部560は、上方展開部43と第2展開部50の側方延出部51とを接続する。中間部560は、上方展開部43と第2展開部50の下端部とを接続する。
なお、エアバッグ542は、布を縫い合わせて形成されるものに限定されない。エアバッグ542は、例えば、布やフィルムを接着して袋状に形成されたり、織物として袋状に形成されても良い。
中間部560にはガスが流入しないため、中間部560を設けた場合であってもエアバッグ542を迅速に展開できる。
中間部560は、エアバッグ542の縫製後において、エアバッグ542の形状を整える際に布部を切り残した部分であるため、容易に形成できる。
この構成によれば、中間部560が乗員Rに当接することで、膨張時にエアバッグ542を乗員Rに対し適切な位置に位置させることができ、乗員Rを良好に保護できる。中間部560のサイズを調整することで、仕様の異なるエアバッグを容易に形成できる。中間部560にはガスが流入しないため、エアバッグ542を迅速に展開できる。
なお、中間部560は、上方展開部43と後方延出部52との間にまで設けても良い。
また、中間部560には、インフレーター41からのガスが多少流入しても良い。この場合、中間部560は膨張するが、中間部560の膨張量は、第2展開部50の膨張量及び上方展開部43の膨張量よりも小さい。
また、中間部560は、上記第2の実施の形態のエアバッグ242の上方展開部43と第2展開部250との間に設けられても良い。
また、上記第3の実施の形態、上記第4の実施の形態、及び第6の実施の形態のエアバッグにおいて、中間部560を設けても良い。
以下、図16~図18を参照して、本発明を適用した第6の実施の形態について説明する。この第6の実施の形態において、上記実施の形態(第1の実施の形態)と同様に構成される部分については、同符号を付して説明を省略する。
本第6の実施の形態は、第2展開部650が、第1展開部635から、後方に延出する点が、上記実施の形態と異なる。
エアバッグ642は、エアバッグ収納部29a(図1)に収納される。エアバッグ642は、切り離し機構49を介してインフレーター41に接続される。
第1展開部635は、上記実施の形態の第1展開部35の幅を車幅方向に拡大したものであり、基本形状は、第1展開部35と同じである。
第1展開部635の車幅方向の幅は、胴体R3の幅よりも大きい。このため、展開した状態では、第1展開部635の車幅方向の両端部は、胴体R3に対し車幅方向外側に位置する。
上方展開部643の車幅方向の幅は、胴体R3の幅よりも大きい。このため、展開した状態では、上方展開部643の車幅方向の両端部は、胴体R3に対し車幅方向外側に位置する。
上方展開部643の後面43aには、接続部材48(図6)が設けられる。
第2展開部650の基端部は、第1展開部635内に連通している。
ここで、内側屈曲部653、下方延出部654、及び折り返し部655は、それぞれ、上記実施の形態の内側屈曲部53、下方延出部54、及び折り返し部55と同じ形状であり、これらについての詳細な説明は省略する。
図16の正面視では、第1展開部635の上端635aは、第1展開部635と第2後方延出部652との接続部の上端に位置する。
第2後方延出部652は、車両側面視で、第1展開部635から後上方に斜めに延びる棒状であり、上方展開部643よりも細い。
第2後方延出部652は、第1展開部635から、シート17に着座してハンドル21を把持する乗員Rの腕R1と乗員Rの脚R2との間を通り、胴体R3の外側面に沿って乗員Rの後方まで延出する。
内側屈曲部653は、第2後方延出部652の延出方向の端部に設けられる。内側屈曲部653は、第1展開部635に対し後方且つ上方に位置する。内側屈曲部653は、胴体R3の後面側に回り込み、乗員Rの背中に接する。
折り返し部655は、折り返し部655の前方で後上がりに延びる第2後方延出部652に向けて延出し、第2後方延出部652に後方から当接する。
詳細には、第1展開部635及び上方展開部643は、胴体R3に前方から当接し、胴体R3を保護する。
左右の第2後方延出部652は、腕R1よりも下方に位置する。第2後方延出部652は、腕R1と脚R2との間を通って後方に延び、胴体R3の下部を車幅方向外側から覆う。これにより、第2展開部650が後方に展開する際に、腕R1が第2展開部650に干渉することが抑制される。
内側屈曲部653及び下方延出部654は、乗員Rの背中に当接し、背中を保護する。
折り返し部655は、第2後方延出部652の下方で胴体R3の外側面に当接し、胴体R3を保護する。また、折り返し部655は、第2後方延出部652に後方から当接することで、第2展開部650の全体的な形状の変形を抑制し、第2展開部650を適切な形状に維持する。
内側屈曲部653の少なくとも一部は、車両前後方向で上方展開部643に重なる。すなわち、図16に示す正面視では、上方展開部643は、内側屈曲部653の少なくとも一部に前方から重なる。このため、内側屈曲部653と上方展開部643とで乗員Rを前後に挟むことができ、エアバッグ642を乗員Rに効果的に付着させることができる。
第2展開部650は、棒状であり、容積が小さいため、迅速に展開する。
エアバッグ642が展開した状態で、第2展開部650の展開方向の長さは、第1展開部635及び上方展開部643を足した展開方向の長さよりも長い。
この構成によれば、上方展開部643が第1展開部635から上方に展開し、第2展開部650が第1展開部635から後方に延びるため、エアバッグ642をコンパクトにし、且つ、エアバッグ642が乗員Rの腕R1によって干渉されることを抑制してエアバッグ642で乗員Rを良好に保護できる。
上記第6の実施の形態では、第2展開部650は、第1展開部635の後面から後方に延出するが、第2展開部650は、第1展開部635の後面から後外側方に延出しても良い。
この変形例では、区別のため、第2展開部650を第2展開部650´と示す。
第2展開部650´の第2後方延出部652´は、第1展開部635の後面から後外側方に延出する。第2後方延出部652´は、第1展開部635から内側屈曲部653に至るまでは、後方に向かうに従って車幅方向外側に位置するように傾斜する。折り返し部655は、第2後方延出部652´に向けて前方に折り返す。
以下、図19及び図20を参照して、本発明を適用した第7の実施の形態について説明する。この第7の実施の形態において、上記実施の形態(第1の実施の形態)と同様に構成される部分については、同符号を付して説明を省略する。
本第7の実施の形態は、エアバッグ42が、乗員Rが装着する乗員用装備具771に設けられる点が、上記実施の形態と異なる。
乗員保護具770は、乗員Rが装着する乗員用装備具771と、乗員用装備具771に支持されるエアバッグ42とを備える。
乗員用装備具771は、胴体R3の外周に巻き付く帯状のベルト部771aと、ベルト部771aの前面に設けられるケース状のエアバッグ収納部771bとを備える。エアバッグ収納部771bは、胴体R3の下部の前方に位置する。
エアバッグ42が展開した状態では、エアバッグ42は、乗員Rを周囲から囲み、乗員Rに付着する。
図19及び図20に示される乗員用装備具771のエアバッグ42の展開状態は、上記実施の形態(図2~図4参照)と同じであるため、ここでは詳細な説明は省略する。
この構成によれば、上方展開部43が第1展開部35から上方に展開し、第2展開部50が第1展開部35から車幅方向外側に延びるため、エアバッグ42をコンパクトにし、且つ、エアバッグ42が乗員Rの腕R1によって干渉されることを抑制してエアバッグ42で乗員Rを良好に保護できる。また、エアバッグ42は、非作動時は、エアバッグ収納部771bに収納され、乗員Rを保護する際に展開する。このため、例えば、常に展開した状態で乗員Rに装着されるエアバッグに比して、通気性が良い。
また、エアバッグ42に替えて、エアバッグ242,542,642のいずれかをエアバッグ収納部771bに設けても良い。
以下、図21を参照して、本発明を適用した第8の実施の形態について説明する。この第8の実施の形態において、上記実施の形態(第1の実施の形態)と同様に構成される部分については、同符号を付して説明を省略する。
本第8の実施の形態は、エアバッグ42が、乗員Rが装着する乗員用装備具871に設けられる点が、上記実施の形態と異なる。
乗員保護具870は、乗員Rが装着する乗員用装備具871と、乗員用装備具871に支持されるエアバッグ42とを備える。
乗員用装備具871は、胴体R3を前方から覆うジャケット前面部871aの下部に、ケース状のエアバッグ収納部871bを備える。エアバッグ収納部871bは、胴体R3の下部の前方に位置する。
なお、エアバッグ収納部871bは、エアバッグ42用に上記ジャケットに設けられるポケットであっても良い。また、エアバッグ収納部871bは、エアバッグ42を上記ジャケットに取り付け可能にするボタン及びファスナー等の固定具であっても良い。
エアバッグ42が展開した状態では、エアバッグ42は、乗員Rを周囲から囲み、乗員Rに付着する。
図21に示される乗員用装備具871のエアバッグ42の展開状態は、上記実施の形態(図2~図4参照)と同じであるため、ここでは詳細な説明は省略する。
この構成によれば、上方展開部43が第1展開部35から上方に展開し、第2展開部50が第1展開部35から車幅方向外側に延びるため、エアバッグ42をコンパクトにし、且つ、エアバッグ42が乗員Rの腕R1によって干渉されることを抑制してエアバッグ42で乗員Rを良好に保護できる。また、エアバッグ42は、非作動時は、エアバッグ収納部871bに収納され、乗員Rを保護する際に展開する。このため、例えば、常に展開した状態で乗員Rに装着されるエアバッグに比して、通気性が良い。
また、エアバッグ42に替えて、エアバッグ242,542,642のいずれかをエアバッグ収納部871bに設けても良い。
上記実施の形態は、以下の構成をサポートする。
この構成によれば、上方展開部が第1展開部から上方に展開し、第2展開部が第1展開部から車幅方向外側、後方、及び後外側方のいずれかに延びるため、エアバッグをコンパクトにし、且つ、エアバッグが乗員の腕によって干渉されることを抑制してエアバッグで乗員を良好に保護できる。
この構成によれば、側方延出部及び後方延出部を介してエアバッグを乗員に効果的に付着させることができるとともに、後方延出部によって乗員の側方を保護できる。
この構成によれば、第2後方延出部を介してエアバッグを乗員に効果的に付着させることができるとともに、第2後方延出部によって乗員の側方を保護できる。
この構成によれば、内側屈曲部によって乗員を後方から保護できるとともに、内側屈曲部と上方展開部とによって乗員を前後に挟むようにして、エアバッグを乗員に効果的に付着させることができる。
この構成によれば、後方延出部及び第2後方延出部を乗員に沿うように後方へ良好に展開できる。
この構成によれば、内側屈曲部及び下方延出部によって、乗員を広い範囲に亘って後方から保護できる。また、下方延出部によってエアバッグを効果的に乗員に付着させることができる。
この構成によれば、後方延出部及び第2後方延出部から延びる内側屈曲部の位置が高くなるため、内側屈曲部及び下方延出部を上下に広い範囲に設けることができ、内側屈曲部及び下方延出部によって乗員を効果的に保護できる。また、乗員の高い位置を保護できるため頭部や首周辺の保護がし易い。
この構成によれば、折り返し部によって乗員を保護できる。また、折り返し部が後方延出部または第2後方延出部に当接することで、第2展開部を適切な形状に維持し易い。
この構成によれば、第2展開部の展開方向の長さが長いため、第2展開部によって乗員を効果的に保持できる。また、第1展開部及び上方展開部が短いため、第1展開部及び上方展開部を迅速に展開できる。
この構成によれば、第2上方展開部によって乗員を保護できるとともに、上方展開部、延出部、及び第2上方展開部によって乗員を挟むようにして、エアバッグを乗員に良好に付着させることができる。
この構成によれば、第2上方延出部によって乗員の高い位置を良好に保護できる。
この構成によれば、第2展開部が腕の邪魔になることを抑制できるとともに、腕と脚に挟まれる第2展開部を介してエアバッグを乗員に良好に付着させることができる。第2展開部は腕と脚との間を通ることが可能な大きさであるため、第2展開部をコンパクト化できる。
この構成によれば、第2展開部が棒状であるため、第2展開部の容積を小さくできるとともに、第2展開部を効果的に乗員に付着させることができる。
この構成によれば、ガスの流入口及び側方展開部が第1展開部に設けられるため、ガスの流入口と第2展開部とが近くなる。このため、第2展開部にガスを効率良く流すことができ、第2展開部を迅速に展開できる。
この構成によれば、上方展開部は、一側上方展開部と他側上方展開部とが上下に延在する仕切り部を起点に折り曲げ可能であるため、上方展開部を乗員に沿わせることができ、エアバッグによって乗員を良好に保護できる。さらに、接続部材によって、一側上方展開部と他側上方展開部との折り曲げの状態を規制でき、上方展開部を効果的に乗員に沿わせることができる。
この構成によれば、エアバッグの展開後にエアバッグがインフレーターから切り離されるため、エアバッグの展開後に、エアバッグがインフレーターによって下方にずらされることが抑制される。このため、エアバッグを乗員に良好に付着させることができる。また、エアバッグで乗員を把持しつつ、エアバッグを切り離しできる。
この構成によれば、中間部が乗員に当接することで、膨張時にエアバッグを乗員に対し適切な高さに位置させることができ、乗員を良好に保護できる。中間部のサイズを調整することで、仕様の異なるエアバッグを容易に形成できる。中間部は、膨張量が少ない、または、膨張しないため、エアバッグを迅速に展開できる。
この構成によれば、上方展開部が第1展開部から上方に展開し、第2展開部が第1展開部から車幅方向外側、後方、及び後外側方のいずれかに延びるため、エアバッグをコンパクトにし、且つ、エアバッグが乗員の腕によって干渉されることを抑制してエアバッグで乗員を良好に保護できる。
この構成によれば、上方展開部が第1展開部から上方に展開し、第2展開部が第1展開部から車幅方向外側、後方、及び後外側方のいずれかに延びるため、エアバッグをコンパクトにし、且つ、エアバッグが乗員の腕によって干渉されることを抑制してエアバッグで乗員を良好に保護できる。
17,317 シート
21,323,417 ハンドル
35,635 第1展開部
41 インフレーター
42,242,542,642 エアバッグ
43,643 上方展開部
43a 後面
43c 上面
44 インフレーター接続部(流入口)
45 一側上方展開部
46 他側上方展開部
47 仕切り部
48 接続部材
49 切り離し機構
50,250,650,650´ 第2展開部
51 側方延出部
52 後方延出部
53,653 内側屈曲部
54,654 下方延出部
55,655 折り返し部
252 延出部
253 第2上方延出部
410 車両(立ち乗り型車両)
418 乗車位置
560 中間部
652,652´ 第2後方延出部
770,870 乗員保護具
771,871 乗員用装備具
L1 長さ(第2展開部の展開方向の長さ)
L2 長さ(第1展開部及び上方展開部を足した展開方向の長さ)
R1 腕
R2 脚
R3 胴体
Claims (19)
- 乗員用のシート(17,317)と、前記シート(17,317)よりも前方または前記シート(17,317)の前部に設けられるエアバッグ(42,242,542,642)とを備える鞍乗り型車両において、
前記エアバッグ(42,242,542,642)は、展開時に上方に展開する第1展開部(35,635)と、展開時に前記第1展開部(35,635)から上方に展開する上方展開部(43,643)と、展開時に前記第1展開部(35,635)から分岐して延びる第2展開部(50,250,650,650´)とを備え、
前記第2展開部(50,250,650,650´)は、前記第1展開部(35,635)から、車幅方向外側、後方、及び後外側方のいずれかに延出することを特徴とする鞍乗り型車両。 - 前記第2展開部(50)は、前記第1展開部(35)から車幅方向外側に延出する側方延出部(51)と、前記側方延出部(51)から後方に延出する後方延出部(52)とを備えることを特徴とする請求項1記載の鞍乗り型車両。
- 前記第2展開部(650,650´)は、前記第1展開部(635)から後方または後側方に延出する第2後方延出部(652,652´)を備えることを特徴とする請求項1記載の鞍乗り型車両。
- 前記第2展開部(50,650,650´)は、前記後方延出部(52)及び前記第2後方延出部(652,652´)の少なくともいずれかから車幅方向内側に向けて屈曲する内側屈曲部(53,653)を備え、
前記内側屈曲部(53,653)の少なくとも一部は、車両前後方向で前記上方展開部(43,643)に重なることを特徴とする請求項2または3記載の鞍乗り型車両。 - 前記後方延出部(52)及び前記第2後方延出部(652´)は、前記内側屈曲部(53,653)に至るまでは、後方に向かうに従って車幅方向外側に位置するように延出することを特徴とする請求項4記載の鞍乗り型車両。
- 前記第2展開部(50,650,650´)は、前記内側屈曲部(53,653)から屈曲して下方に延びる下方延出部(54,654)を備えることを特徴とする請求項4または5記載の鞍乗り型車両。
- 前記後方延出部(52)及び前記第2後方延出部(652,652´)は、車両側面視で、後上方に斜めに延びることを特徴とする請求項6記載の鞍乗り型車両。
- 前記第2展開部(50,650,650´)は、前記下方延出部(54,654)から前記後方延出部(52)または前記第2後方延出部(652,652´)に向けて折り返す折り返し部(55,655)を備えることを特徴とする請求項6または7記載の鞍乗り型車両。
- 前記エアバッグ(42,542,642)が展開した状態で、前記第2展開部の展開方向の長さ(L1)は、前記第1展開部(35,635)及び前記上方展開部(43,643)を足した展開方向の長さ(L2)よりも長いことを特徴とする請求項1から8のいずれかに記載の鞍乗り型車両。
- 前記第2展開部(250)は、前記第1展開部(35)から車幅方向外側、後方、及び後側方のいずれかに延出する延出部(252)と、前記延出部(252)から少なくとも前記上方展開部(43)の位置まで上方に延びる第2上方延出部(253)とを備えることを特徴とする請求項1記載の鞍乗り型車両。
- 前記第2上方延出部(253)は、前記上方展開部(43)の上面(43c)よりも上方に延びることを特徴とする請求項10記載の鞍乗り型車両。
- 前記上方展開部(43,643)は、前記シート(17,317)に着座する乗員の胴体(R3)の前面に沿って上方に展開し、
前記第2展開部(50,250,650,650´)は、前記シート(17,317)に着座して操舵用のハンドル(21,323)を把持する前記乗員の腕(R1)と、この乗員の脚(R2)との間を通って延出することを特徴とする請求項1から11のいずれかに記載の鞍乗り型車両。 - 前記第2展開部(50,250,650,650´)は、前記第1展開部(35,635)から延出する棒状であり、前記上方展開部(43,643)よりも細い棒状であることを特徴とする請求項1から12のいずれかに記載の鞍乗り型車両。
- 前記エアバッグ(42,242,542,642)を展開させるガスの流入口(44)は、前記第1展開部(35,635)に設けられることを特徴とする請求項13記載の鞍乗り型車両。
- 前記上方展開部(43)は、左右の一方側で上方に延出する一側上方展開部(45)と、左右の他方側で上方に延出する他側上方展開部(46)と、前記上方展開部(43)内の空間を前記一側上方展開部(45)と前記他側上方展開部(46)とに仕切る仕切り部(47)とを備え、
前記仕切り部(47)は、前記上方展開部(43)の少なくとも後面(43a)に設けられ、
前記上方展開部(43)は、上下に延在する前記仕切り部(47)を起点に折り曲げ可能であり、
前記上方展開部(43)の前記後面(43a)には、前記一側上方展開部(45)と前記他側上方展開部(46)とを左右に接続する接続部材(48)が取り付けられることを特徴とする請求項1から14のいずれかに記載の鞍乗り型車両。 - 前記エアバッグ(42,242,542,642)内にガスを噴出して前記エアバッグ(42,242,542,642)を展開させるインフレーター(41)が前記エアバッグ(42,242,542,642)に接続され、
前記エアバッグ(42,242,542,642)の展開後に前記エアバッグ(42,242,542,642)を前記インフレーター(41)から切り離す切り離し機構(49)が設けられることを特徴とする請求項1から15のいずれかに記載の鞍乗り型車両。 - 前記エアバッグ(542)は、前記上方展開部(43)と前記第2展開部(50)との間に中間部(560)を備え、
前記中間部(560)は、前記上方展開部(43)と前記第2展開部(50)とを接続し、
前記中間部(560)は、前記第2展開部(50)よりも膨張量が少ない、または、前記エアバッグ(542)を展開させるガスによって膨張しないことを特徴とする請求項1から16のいずれかに記載の鞍乗り型車両。 - 乗員用の乗車位置(418)より前方に設けられるエアバッグ(42,242,542,642)を備える車両において、
前記車両は、前記乗車位置(418)に乗員が立ち乗りする立ち乗り型車両であり、
前記エアバッグ(42,242,542,642)は、展開時に上方に展開する第1展開部(35,635)と、展開時に前記第1展開部(35,635)から上方に展開する上方展開部(43,643)と、展開時に前記第1展開部(35,635)から分岐して延びる第2展開部(50,250,650,650´)とを備え、
前記第2展開部(50,250,650,650´)は、前記第1展開部(35,635)から、車幅方向外側、後方、及び後外側方のいずれかに延出することを特徴とする車両。 - 車両に乗車する乗員が装着する乗員用装備具(771,871)と、エアバッグ(42)とを備える乗員保護具において、
前記エアバッグ(42)は、前記乗員用装備具(771,871)に支持されて前記乗員の胴体(R3)の前面側に位置し、
前記エアバッグ(42)は、展開時に上方に展開する第1展開部(35)と、展開時に前記第1展開部(35)から上方に展開する上方展開部(43)と、展開時に前記第1展開部(43)から分岐して延びる第2展開部(50)とを備え、
前記第2展開部(50)は、前記第1展開部(35)から、車幅方向外側、後方、及び後外側方のいずれかに延出することを特徴とする乗員保護具。
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US18/580,195 US12286185B2 (en) | 2021-07-27 | 2021-07-27 | Saddled vehicle, vehicle, and rider protector |
JP2023537793A JP7575607B2 (ja) | 2021-07-27 | 2021-07-27 | 鞍乗り型車両、車両、及び、乗員保護具 |
DE112021008028.8T DE112021008028T5 (de) | 2021-07-27 | 2021-07-27 | Sattelfahrzeug, fahrzeug und fahrerprotektor |
PCT/JP2021/027784 WO2023007590A1 (ja) | 2021-07-27 | 2021-07-27 | 鞍乗り型車両、車両、及び、乗員保護具 |
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- 2021-07-27 DE DE112021008028.8T patent/DE112021008028T5/de active Pending
- 2021-07-27 US US18/580,195 patent/US12286185B2/en active Active
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JP7575607B2 (ja) | 2024-10-29 |
US12286185B2 (en) | 2025-04-29 |
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