WO2019207776A1

WO2019207776A1 - Airbag device for saddle-type vehicles

Info

Publication number: WO2019207776A1
Application number: PCT/JP2018/017239
Authority: WO
Inventors: 祐樹小林
Original assignee: 本田技研工業株式会社
Priority date: 2018-04-27
Filing date: 2018-04-27
Publication date: 2019-10-31
Also published as: JPWO2019207776A1; JP6964187B2; TW201945236A

Abstract

The purpose of the present invention is to arrange an airbag device of a saddle-type vehicle in a compact manner and to make it possible to deploy an airbag vertically upward. A motorcycle is provided with an inflator 53, an airbag 52 that is expanded by gas discharged from the inflator 53, and a retainer 51 in which the airbag 52 is housed. In an airbag device 50, the inflator 53 is disposed to the side of a head pipe 14, and the retainer 51 is provided with a forward extension portion 51D disposed above a handle 23 positioned above the head pipe 14.

Description

Airbag device for saddle riding type vehicle

The present invention relates to an airbag device for a saddle-ride type vehicle.

2. Description of the Related Art Conventionally, in an airbag device for a saddle-ride type vehicle, there is known a device that facilitates deployment of an airbag upward by discharging gas upward from an inflator provided at the bottom of the airbag device (for example, Patent Document 1).

Japanese Patent Laying-Open No. 2015-145151

Since the airbag device of Patent Document 1 is a two-wheeled vehicle, the vehicle body space is limited. Therefore, the airbag device is vertically deployed as much as possible in order to appropriately protect the occupant while arranging the airbag device in a compact manner. It is desirable to do.
An object of the present invention is to enable an airbag device to be deployed vertically upward in an airbag device of a saddle-ride type vehicle while the airbag device is disposed in a compact manner.

In order to solve the above-described problems, the present invention provides an inflator (53), an airbag (52) that is inflated by gas released from the inflator (53), and a retainer (51) that houses the airbag (52). ), And the airbag (52) is deployed upward from the opening (51h) of the retainer (51), the inflator (53) includes the head pipe (14) The retainer (51) is provided with an upper extension part (51D) disposed above the handle (23) located above the head pipe (14). .

In the above invention, the upper extension part (51D) may include the opening (51h), and the opening (51h) may be covered with a lid member (54).
In the above invention, the retainer (51) is disposed in front of or behind the left and right extension (51B) extending in the left-right direction of the vehicle body in which the inflator (53) is housed, and the head pipe (14). The upper extension portion (51D) includes an upper extension portion (51C) that extends upward from an end portion of the left and right extension portion (51B) and is connected to the upper extension portion (51D). The left and right extending portions (51B) and the upper extending portion (51C) are formed in an L shape in a rear view, and are disposed so as to straddle the front and rear of the handle (23). (51C) and the said upper extension part (51D) may be formed in the side view L-shape.

In the above invention, the lid member (54) is an extension of the axis (20a) of the steering shaft (20) rotatably supported by the head pipe (14) to support the handle (23). It may be arranged on a line.

Moreover, in the said invention, a curved-shaped bending part (51v) is formed in the corner part of the said left-right extension part (51B) and the said upper extension part (51C), and the said upper extension part (51C) and the said You may make it equip a corner with an upper extension part (51D) with a curved-shaped bending part (51w).
In the above invention, the upward extending portion (51C) may be supported by the head pipe (14).

In the present invention, the inflator is disposed on the side of the head pipe, and the retainer includes the upper extension portion disposed above the handle located above the head pipe. Therefore, the retainer includes the upper extension portion. Thus, the air bag device can be arranged in a compact manner to save space, and the air bag can be deployed upward and vertically from a higher position.

In the above invention, the upper extension portion includes an opening, and the opening is closed by the lid member, so that the airbag can be deployed upward and vertically from the opening.
In the above invention, the retainer includes a left and right extending portion that extends in the left-right direction of the vehicle body in which the inflator is housed, and a front pipe that is disposed in front or rear of the head pipe and extends upward from an end portion of the left and right extending portion. The upper extension part is arranged so as to straddle the front and rear of the handle, and the left and right extension parts and the upper extension part are L-shaped in a rear view. Since the upper extending portion and the upper extending portion are formed in an L shape in a side view, the airbag device can be arranged compactly around the head pipe to save space.

In the above invention, the lid member is disposed on an extension of the axis of the steering shaft that is rotatably supported by the head pipe so as to support the handle. Can be deployed vertically.

Further, in the above invention, curved bent portions are formed at the corners of the left and right extending portions and the upper extending portion, and curved bent portions are provided at the corner portions of the upper extending portion and the upper extending portion. Therefore, the airbag can be smoothly moved upward by receiving the airbag extending from the left and right extension part to the upper extension part and from the upper extension part to the upper extension part by the curved bent part, The airbag can be efficiently deployed upward.
Moreover, in the said invention, since an upward extension part is supported by the head pipe, a retainer can be firmly supported by a head pipe.

FIG. 1 is a left side view showing a motorcycle including an airbag device according to an embodiment of the present invention. FIG. 2 is a rear view showing the airbag apparatus disposed in the upper front portion of the motorcycle. 3 is a cross-sectional view taken along line III-III in FIG. FIG. 4 is a perspective view of the airbag device as viewed obliquely from the rear. FIG. 5 is a left side view showing the airbag apparatus.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings. In the description, descriptions of directions such as front and rear, right and left and up and down are the same as directions relative to the vehicle body unless otherwise specified. Further, in each figure, the symbol FR indicates the front of the vehicle body, the symbol UP indicates the upper side of the vehicle body, and the symbol LH indicates the left side of the vehicle body.
FIG. 1 is a left side view showing a motorcycle 1 including an airbag device 50 according to an embodiment of the present invention.
FIG. 1 shows a state where an airbag 52, which will be described in detail later, is inflated and deployed.
The motorcycle 1 includes a body frame 10 serving as a skeleton, a front wheel 2 supported on a front end portion of the body frame 10 via a front fork 11, and a rear wheel 3 supported on a rear portion of the body frame 10 via a power unit 12. With. The motorcycle 1 is a scooter-type saddle-type vehicle including a seat 13 on which an occupant sits.

The vehicle body frame 10 includes a head pipe 14, a main frame 15, a pair of left and right lower frames 16, and a pair of left and right rear frames 17.
The head pipe 14 is provided at the front end of the vehicle body frame 10 and is arranged at the center of the vehicle width in the same manner as the front wheel 2. The main frame 15 extends rearward and downward from the head pipe 14. The pair of left and right lower frames 16 extend rearward from the lower end of the main frame 15. The left and right rear frames 17 extend rearward and rearward from the left and right lower frames 16, respectively.

The front fork 11 includes a steering shaft 20, a pair of left and right fork pipes 21, and a bridge member 22.
The steering shaft 20 is rotatably supported by the head pipe 14, and a handle 23 is disposed on the upper end side of the steering shaft 20. The left and right fork pipes 21 are disposed on both the left and right sides of the front wheel 2 to support the front wheel 2. The bridge member 22 is fixed to the lower end of the steering shaft 20 and connects the upper portions of the left and right fork pipes 21.
When viewed from the side of the vehicle, the head pipe 14 is tilted backward with respect to the vertical direction by a predetermined caster angle set in the motorcycle 1. The steering shaft 20 is inserted into and supported by the head pipe 14, and is disposed to be tilted rearward in a vehicle side view.

The power unit 12 has a function of an engine as a drive source of the rear wheel 3 and a swing arm that supports the rear wheel 3. The power unit 12 is swingably supported by the vehicle body frame 10 via a link member 24 provided at the front end.
The seat 13 is provided above the rear frame 17. The seat 13 is integrally provided with a front seat 13a on which a driver is seated and a rear seat 13b on which a passenger is seated.
A pair of left and right step floors 25 on which the driver puts his left and right feet are provided in a pair of left and right in the front lower side of the front seat 13a.

The motorcycle 1 includes a vehicle body cover 26 that covers a vehicle body such as the vehicle body frame 10.
The vehicle body cover 26 includes a front cover 27, an inner cover 28, a center cover 29, an under cover 30, and a pair of left and right rear side covers 31.
The front cover 27 covers the upper portions of the head pipe 14 and the front fork 11 from the front and left and right sides. The inner cover 28 is continuous with the rear edge of the front cover 27 and covers the upper portions of the head pipe 14 and the front fork 11 from the rear. The center cover 29 is located at the front lower side of the front seat 13a. The under cover 30 covers the vehicle body from below under the left and right step floors 25. The left and right rear side covers 31 cover the left and right rear frames 17 from the side below the seat 13.

The wind screen 32 that inclines rearward as viewed from the side of the vehicle is attached to the upper portion of the front cover 27. The headlight 33 is provided on the front surface of the front cover 27.
The front wheel 2 is covered with a front fender 34 from above, and the rear wheel 3 is covered with a rear fender 35 from above.
A meter 36 that displays information related to the motorcycle 1 such as the vehicle speed is disposed in front of the handle 23. The rearview mirror 37 is attached to the handle 23.

The front portion of the center cover 29 continues to the lower portion of the inner cover 28. The center cover 29 is located inside the left and right legs of the driver that extends from the front seat 13a to the left and right step floors 25.
In the vehicle side view, a straddling space 38 that is recessed downward is formed by the inner cover 28, the center cover 29, and the front surface of the front seat 13a. An occupant (driver) can straddle the motorcycle 1 through the straddle space 38 when getting on and off the motorcycle 1.
The motorcycle 1 includes an airbag device 50 that protects an occupant from an external impact. The airbag device 50 is disposed around the front fork 11, the handle 23, and the head pipe 14.

FIG. 2 is a rear view showing the airbag apparatus 50 disposed in the upper front part of the motorcycle 1.
The airbag device 50 includes a box-shaped retainer 51, and an airbag 52 (see FIG. 3) and an inflator 53 (see FIG. 3) are arranged inside the retainer 51.
When an impact is applied to the vehicle body, the airbag 52 bulges forward of the occupant (driver) as shown in FIG. 1 due to the gas released from the inflator 53.
In FIG. 2, the retainer 51 includes an L-shaped portion 51 A formed on the rear surface 28 a of the inner cover 28 and formed in an L-shape when viewed from the back, and extends forward from the upper end of the L-shaped portion 51 A and above the handle holder 41. This is a hollow member integrated with the front extension 51D. The retainer 51 is made of metal, for example.

The L-shaped portion 51A is connected to the left and right extending portions 51B extending in the left and right direction of the motorcycle 1 along the rear surface 28a of the inner cover 28 and the one end (right side) end portion of the left and right extending portions 51B. The upper extending portion 51C extends.
The left and right extending portion 51B protrudes from the upper extending portion 51C disposed at the center in the vehicle width direction to the other side (left side).

Center lines

51e and 51f passing through the center in the vehicle width direction of the upper extension portion 51C and the front extension portion 51D coincide with or substantially coincide with the vehicle body center line 45 passing through the center in the vehicle width direction of the motorcycle 1. The center line of the steering shaft 20 coincides with the vehicle body center line 45.
A handle recess 23a is formed in the handle 23 so as to be recessed downward in the center. The handle recess 23 a is supported by the handle holder 41.

The front extension 51D is disposed in a space 56 formed by the handle recess 23a of the handle 23. Thus, the retainer 51 can be compactly disposed in the front portion of the vehicle body by disposing the front extension 51D, which is a part of the retainer 51, in the space 56 of the handle recess 23a.
On the rear surface 28a of the inner cover 28, a main switch 47 and a lid / seat opener switch 48 for opening the lid and the seat of the fuel tank refueling unit are provided on one side (right side) of the upward extending portion 51C of the retainer 51. ing. As described above, the left and right extending portions 51B, the main switch 47, and the lid / seat opener switch 48 are separately arranged in the left and right direction of the vehicle body with respect to the upper extending portion 51C of the retainer 51, thereby enabling the front portion of the vehicle body. Can be used effectively.

3 is a cross-sectional view taken along line III-III in FIG.
The handle holder 41 includes a base member 61 attached to the upper end of the steering shaft 20 and a holder main body 62 supported by the base member 61.
The holder main body 62 includes a pair of left and right lower holders 63 provided on the base member 61 and a pair of left and right upper holders 65 fastened to the upper portions of the left and right lower holders 63 by a pair of bolts 64, respectively. The handle 23 is sandwiched and fixed between the left and right lower holders 63 and the left and right upper holders 65.

The retainer 51 of the airbag device 50 is fixed to the vehicle body frame 10 (specifically, the head pipe 14) via a stay 66, and is disposed on the side, rear and upper sides of the head pipe 14, the steering shaft 20 and the handle holder 41. The
Specifically, the left and right extending portions 51 B extend from the rear of the head pipe 14 and the steering shaft 20 to the side (left side) of the head pipe 14 and the steering shaft 20. An inflator 53 is provided in the left and right extending portion 51B, and the inflator 53 is disposed so as to overlap the head pipe 14 in a vehicle side view.
The upward extending portion 51C is disposed behind the head pipe 14, the steering shaft 20, and the handle holder 41.

The front extension 51D (and the lid member 54 described in detail later) is disposed above the head pipe 14, the steering shaft 20, and the handle holder 41. An extension line 20b of the axis 20a of the steering shaft 20 passes through the front extension 51D (and the lid member 54).
Thus, by arranging the front extension 51D above the handle holder 41, the front extension 51D can be arranged higher. Thereby, there is nothing that obstructs the deployment of the airbag 52 around the front extension 51D, and the airbag 52 can be easily deployed upward and vertically. Further, the degree of freedom of arrangement of the front extension 51D in the front-rear direction can be increased, and the flexibility in setting the position of the opening 51h can be increased, so that the degree of freedom of the deployment position of the airbag 52 in the front-rear direction of the vehicle body can be increased.

The upper extension portion 51C and the front extension portion 51D are formed in an L shape in side view.
The airbag 52 attached to the inflator 53 is accommodated in a folded state in the left and right extending portions 51B, the upper extending portion 51C, and the front extending portion 51D. Thus, by storing the airbag 52 over the left and right extending portions 51B, the upper extending portions 51C, and the front extending portions 51D, the left and right extending portions 51B, the upper extending portions 51C, and the front extending portions 51D. Each thickness can be reduced.
An opening 51h is formed in the front portion of the upper wall 51g of the front extension 51D, and a lid member 54 that closes the opening 51h is attached to the upper wall 51g. The lid member 54 constitutes a part of the airbag device 50 and is separated from the retainer 51. The lid member 54 is made of, for example, resin or metal. The airbag 52 is deployed upward and vertically from the opening 51h.

As described above, by disposing the inflator 53 so as to overlap the head pipe 14 in a side view of the vehicle, for example, as compared with the case where the inflator 53 is disposed laterally or rearward of the upper extension portion 51C, the straddle space 38 can be secured widely. As a result, the occupant (driver) can get on and off the motorcycle 1 (see FIG. 1) more smoothly. Further, the retainer 51 can be compactly arranged at the front part of the vehicle body.
The motorcycle 1 includes an acceleration sensor (not shown) that detects an external impact. The acceleration sensor is electrically connected to a control unit (not shown). The control unit is electrically connected to the inflator 53, and controls the operation and non-operation of the airbag device 50 based on the detected acceleration.

4 is a perspective view of the airbag device 50 as viewed obliquely from the rear, and FIG. 5 is a left side view of the airbag device 50.
As shown in FIGS. 4 and 5, the left and right extending portions 51B of the retainer 51 are curved portions 51j that bend obliquely forward from the side portion (left side portion) of the upper extending portion 51C located at the center in the vehicle width direction. And an obliquely extending portion 51k that extends obliquely forward from the end of the curved portion 51j.
Thus, by providing the curved part 51j in the left-right extension part 51B, the left-right extension part 51B and the upper extension part 51C can be smoothly connected. Thereby, the airbag 52 can be smoothly moved within the retainer 51, and as a result, the airbag 52 can be smoothly deployed.

The upward extending portion 51C extends straight in the vertical direction, specifically, along the axis 20a of the steering shaft 20 (see FIG. 3), and has a flat front wall 51m and a rear wall curved so as to protrude rearward of the vehicle. 51n.
The rear wall 51n of the upward extending portion 51C is continuous with the rear wall 51p of the left and right extending portion 51B.
The front extending portion 51D has the same width in the vehicle width direction as the upper extending portion 51C, and extends from the upper end portion of the upper extending portion 51C to the front, and from the front end of the upper connecting portion 51q. And an upper widened portion 51r extending forward so as to spread once in the width direction.

The upper widened portion 51r is formed in a polygonal (substantially hexagonal) box shape, and a lid member 54 is attached to the upper portion of the upper widened portion 51r.
The lid member 54 includes a fragile portion 54a extending in the vehicle front-rear direction at the center in the vehicle width direction. The weak part 54a is a groove part provided in the inner surface of the lid member 54, for example. The lid member 54 is opened by a crack in the fragile portion 54a due to the pressing force acting from the airbag 52 that is deployed.
A curved bent portion 51v is formed at the corner between the upper wall 51t of the left and right extending portion 51B and the side wall 51y on the left and right extending portion 51B side of the upper extending portion 51C.
Further, a curved bent portion 51w is formed at the corner between the front wall 51m of the upper extension 51C and the lower wall 51z of the front extension 51D.

The inflator 53 includes a housing 53a formed of a bottomed cylindrical container, and a flange 53b provided at the peripheral edge of the housing 53a. The housing 53a is provided with a gas generating agent and an initiator for initiating a reaction that generates gas in the gas generating agent. The initiator includes an ignition device. The flange 53b is attached to the front wall 51s of the left and right extending portion 51B with a plurality of screws 68 and nuts (not shown).
The housing 53a includes a bottomed cylindrical gas discharge portion 53c that is disposed in the left and right extending portion 51B and discharges gas generated by the inflator 53 at the rear portion. The gas discharge part 53c includes a plurality of gas discharge ports 53d through which gas is discharged at the peripheral part. The axis 53e of the gas discharge part 53c is inclined with respect to the vehicle front-rear direction so that the rear side is arranged on the outer side in the vehicle width direction and is arranged below the front side.
The airbag 52 is stored in an airbag storage space 70 formed by the left and right extending portions 51B, the upper extending portion 51C, and the front extending portion 51D of the retainer 51.

Next, the operation of the airbag device 50 described above will be described.
In FIG. 1, when an impact is applied to the motorcycle 1 from the outside (for example, the front of the vehicle), the acceleration generated in the vehicle body due to the impact is detected by an acceleration sensor.
4 and 5, when the detected acceleration is equal to or greater than a predetermined value, the control unit operates the inflator 53 to release gas into the airbag 52.
The gas is discharged radially from the plurality of gas discharge ports 53d outward in the radial direction.
At this time, the gas released from the inflator 53 in one of the left and right directions (to the right) is directed from the left and right extension 51B directly to the upper extension 51C as shown by the arrow G1, and the other in the left and right direction (left) As shown by the arrow G2, the gas released in the direction (1) goes to the side wall 51x of the left and right extending part 51B and then makes a U-turn by the side wall 51x toward the upper extending part 51C.

Further, the gas released from the inflator 53 in one of the upper and lower directions (upward) is directed to the upper wall 51t of the left and right extension part 51B as shown by an arrow G3, and the traveling direction is changed by the upper wall 51t. Head to the extension 51C. As indicated by arrow G4, the gas released to the other side (downward) in the vertical direction is directed to the lower wall 51u of the left and right extending portion 51B, and then the traveling direction is changed by the lower wall 51u to the upper extending portion 51C. Head.
Then, as shown by an arrow G5, the gas travels upward through the upper extension 51C and reaches the front extension 51D. (After this, the gas pushes the airbag 52 vertically upward through the opening 51h as indicated by the arrow G5 from the front extension 51D.)

Due to the pressure of the gas in such a flow, the airbag 52 is inflated in the retainer 51, and further, a crack is generated in the fragile portion 54 a of the lid member 54, and the crack is spread and expanded from the opening 51 h to above the retainer 51. It protrudes and expands vertically above the retainer 51.
The retainer 51 has a curved bent portion 51v at the corner of the portion where the movement of the deploying airbag 52 changes from the left-right direction to the upward direction, and a curved bent portion 51w at the corner of the portion where the movement changes from the upper direction to the front direction. Is provided. For this reason, since the direction of the airbag 52 can be smoothly changed along the

bent portions

51v and 51w, the airbag 52 can be smoothly deployed.

As shown in FIGS. 3 and 4, the motorcycle 1 as a saddle-ride type vehicle includes an inflator 53, an airbag 52 that is inflated by gas released from the inflator 53, and a retainer that houses the airbag 52. 51. In addition, the airbag device 50 of the motorcycle 1 deploys the airbag 52 upward from the opening 51 h of the retainer 51. The airbag device 50 includes an inflator 53 disposed on the side of the head pipe 14, and a retainer 51 disposed forward of the upper portion of the handle 23 positioned above the head pipe 14. The extending portion 51D is provided.

According to this configuration, the retainer 51 is provided with the front extending portion 51D disposed above the handle 23 so as to straddle the front of the handle and the rear of the handle. ) Can be suppressed. Thereby, the protrusion amount (overhang amount) of the airbag device 50 toward the rear of the vehicle body can be suppressed. Moreover, since there are few things which obstruct deployment from the higher position, the airbag 52 can be expand | deployed upwards and perpendicularly.

Further, since the front extension 51D includes an opening 51h, and the opening 51h is closed by the lid member 54, the airbag 52 can be deployed upward and vertically from the opening 51h.
Further, as shown in FIG. 3, the lid member 54 is disposed on an extension line 20 b of the axis 20 a of the steering shaft 20 that is rotatably supported by the head pipe 14 in order to support the handle 23.
According to this configuration, the airbag 52 can be deployed upward and vertically at a position close to the occupant (driver).

4 and 5, the retainer 51 includes a left and right extending portion 51B extending in the left-right direction of the vehicle body in which the inflator 53 is housed, and a left and right extending portion disposed in front of or behind the head pipe 14. An upper extension 51C that extends upward from the end of 51B and is connected to the front extension 51D. The front extension 51D is disposed so as to straddle the front and rear of the handle 23. The left and right extending parts 51B and the upper extending part 51C are formed in an L shape in a rear view, and the upper extending part 51C and the front extending part 51D are formed in an L shape in a side view.
According to this configuration, the airbag device 50 can be compactly arranged to save space.

Also, curved bent portions 51v are formed at the corners of the left and right extending portions 51B and the upper extending portion 51C, and at the corners between the upper extending portion 51C and the front extending portion 51D as the upper extending portion. A curved bent portion 51w is provided.
According to this configuration, the airbag 52 heading from the left and right extending part 51B to the upper extending part 51C and from the upper extending part 51C to the front extending part 51D is received by the curved

bent parts

51v and 51w, respectively. The bag 52 can be smoothly moved upward. Thereby, the airbag 52 can be efficiently deployed upward.
Further, as shown in FIG. 3, since the upward extending portion 51 C is supported by the head pipe 14 via the stay 66, the retainer 51 can be firmly supported by the head pipe 14.

The above-described embodiment is merely an aspect of the present invention, and can be arbitrarily modified and applied without departing from the gist of the present invention.
In the above-described embodiment, as illustrated in FIG. 3, the front extension 51D is disposed above the handle 23. However, the present invention is not limited thereto, and the front extension 51D is not limited to the handle 23 (specifically, the handle 23). In other words, the front extension 51 D only needs to be disposed above the handle 23.
In addition, the upper extending portion 51C is disposed behind the head pipe 14, but not limited thereto, the upper extending portion 51C may be disposed in front of the head pipe 14.
In this case, the front extension 51D may be extended from the upper end of the upper extension 51C so as to be L-shaped forward or rearward. When extending the front extension portion 51D from the upper end of the upper extension portion 51C so as to be L-shaped rearward, the front extension portion 51D is disposed so as to straddle the front and rear of the handle 23. It may be separated from the upper side or placed on the handle 23.

As shown in FIG. 3, the opening 51 h of the retainer 51 is disposed on the extension line of the axis 20 a of the steering shaft 20, but the present invention is not limited to this. For example, the opening 51h may be disposed in front of the vehicle with respect to the axis 20 so as not to overlap with an extension line of the axis 20a of the steering shaft 20.
Moreover, although the inflator 53 was arrange | positioned to the side of the head pipe 14, it is not restricted to this. For example, the inflator 53 may be disposed in front of the vehicle from the head pipe 14. Further, the inflator 53 may be disposed on the side of the steering shaft 20 above the head pipe 14.
The present invention is not limited to the case where the present invention is applied to the motorcycle 1, but can also be applied to saddle riding type vehicles including those other than the motorcycle 1. The saddle-ride type vehicle includes all vehicles that ride on the vehicle body, and includes not only motorcycles (including bicycles with motors) but also three-wheeled vehicles and four-wheeled vehicles classified as ATVs (rough terrain vehicles). It is a vehicle including.

1 Motorcycle (saddle-ride type vehicle)
14 Head pipe 20 Steering shaft 20a Axis 23 Handle 50 Airbag device 51 Retainer 51B Left and right extension 51C Upper extension 51D Front extension (Upper extension)

51h Opening

51v, 51w Bending part 52 Air bag 53 Inflator 54 Lid member

Claims

An inflator (53), an airbag (52) that is inflated by gas released from the inflator (53), and a retainer (51) that houses the airbag (52), the opening of the retainer (51) In the airbag device of the saddle-ride type vehicle that deploys the airbag (52) upward from (51h),
The inflator (53) is arranged on the side of the head pipe (14),
The retainer (51) includes an upper extension part (51D) disposed above a handle (23) located above the head pipe (14), and the airbag of the saddle-ride type vehicle is characterized in that apparatus.
The saddle riding type vehicle according to claim 1, wherein the upper extension part (51D) includes the opening (51h), and the opening (51h) is closed by a lid member (54). Airbag device.
The retainer (51) includes a left and right extension (51B) extending in the left-right direction of the vehicle body in which the inflator (53) is accommodated, and a left and right extension ( 51B) and an upper extension portion (51C) connected to the upper extension portion (51D) and extending upward from the end of the handle (23). The left and right extension parts (51B) and the upper extension part (51C) are formed in an L shape in a rear view, and the upper extension part (51C) and the upper part The airbag device for a saddle-ride type vehicle according to claim 2, wherein the extending portion (51D) is formed in an L shape in a side view.
The lid member (54) is disposed on an extension line of the axis (20a) of the steering shaft (20) rotatably supported by the head pipe (14) to support the handle (23). The airbag device for a saddle-ride type vehicle according to claim 3.
Curved bent portions (51v) are formed at the corners of the left and right extending portions (51B) and the upper extending portion (51C), and the upper extending portion (51C) and the upper extending portion (51D) are formed. The airbag device of the saddle-ride type vehicle according to claim 3 or 4, further comprising a curved bent portion (51w) at a corner of the saddle-ride type vehicle.
The airbag device for a saddle-ride type vehicle according to any one of claims 3 to 5, wherein the upward extending portion (51C) is supported by the head pipe (14).