JP4498408B2 - Saddle riding - Google Patents

Description

  The present invention relates to a saddle-ride type vehicle in which an airbag module is provided at the front of the vehicle.

There is known a motorcycle in which a pair of left and right upper frames are extended rearward from the head pipe, and an airbag module that is inflated in the event of a collision is disposed between the pair of left and right upper frames (for example, a patent Reference 1).
JP2007-069785 (FIG. 9)

  In FIG. 9 of Patent Document 1, upper tubes 2L and 2R (hereinafter referred to as “upper frames 2L and 2R”) extend rearward from a head pipe 3 (reference numerals are diverted from the same publication). The airbag module 20 is disposed so as to straddle the upper frames 2L and 2R. On the right side of the airbag module 20, an airbag ECU 35 (hereinafter referred to as an “airbag control unit 35”) is provided. Is arranged. Here, the airbag device includes the airbag module 20 and the airbag control unit 35 as main components.

  Members such as instruments are arranged in the front part of the motorcycle. However, if the airbag device is arranged at the front part of the vehicle, the arrangement of members such as instruments is restricted, which is not preferable. A technique for minimizing the space occupied by the airbag device is desired.

  It is an object of the present invention to provide a technology that allows an airbag device to be arranged in a compact manner in a saddle-ride type vehicle and increases the degree of freedom of arrangement of members arranged around the airbag module.

  The invention according to claim 1 is a saddle-ride type vehicle including a head pipe that rotatably supports a steering handle, an airbag module that stores an airbag, and an airbag control unit that controls the deployment of the airbag. The airbag module is disposed behind the head pipe, the airbag control unit is disposed on the side of the head pipe in the vehicle width direction, and at least the airbag control unit when the vehicle is viewed from the rear. A part is arranged to overlap the airbag module.

  In the invention according to claim 2, the head pipe is disposed so as to be inclined such that the lower end portion is in front of the upper end portion, and the airbag control unit is arranged from the front end of the lower end portion of the head pipe when the vehicle is viewed from the side. Is also arranged rearward.

  The invention according to claim 3 is characterized in that a space allowing movement of the airbag control unit is provided behind the airbag control unit.

  The invention according to claim 4 is characterized in that the airbag module and the airbag control unit are arranged offset in the height direction.

In the invention according to claim 5 , on the side of the head pipe, a key cylinder for turning on and off the vehicle is disposed on one side, and an air bag control unit is disposed on the other side across the head pipe. It is arranged.

  In the invention according to claim 1, the airbag control unit is arranged so that at least a part of the airbag control unit overlaps the airbag module when the vehicle is viewed from the rear. The length in the width direction can be suppressed. If the length in the width direction of the airbag device can be suppressed, the airbag device can be arranged in a compact manner, so there is a margin in the arrangement space of each member. Therefore, the degree of freedom of arrangement of the members arranged around the airbag device Can be increased.

  In the invention according to claim 2, the head pipe is disposed so as to be inclined such that the lower end portion is in front of the upper end portion, and the airbag control unit is arranged from the front end of the lower end portion of the head pipe when the vehicle is viewed from the side. Since the vehicle receives external force from the front, it receives external force at the front end of the lower end of the head pipe, so it receives external force at the front end of the lower end of the head pipe. It is possible to make it difficult to transmit external force to the airbag control unit.

  In the invention which concerns on Claim 3, the space which accept | permits the movement of an airbag control unit is provided behind the airbag control unit. For this reason, even if the airbag control unit receives an external force and moves rearward, the airbag control unit can be made difficult to be affected by the external force because the airbag control unit is adopted in the space.

  In the invention according to claim 4, the airbag module and the airbag control unit are arranged offset in the height direction. For this reason, even if an external force is applied to the airbag control unit from the front and the airbag control unit moves backward, the airbag control unit can be made difficult to interfere with the airbag module.

In the invention according to claim 5 , on the side of the head pipe, a key cylinder for turning on / off the vehicle is disposed on one side, and an airbag control unit is disposed on the other side across the head pipe. Since it is arranged, the space on the opposite side of the key cylinder can be used effectively.

The best mode for carrying out the present invention will be described below with reference to the accompanying drawings. In the figure, “front”, “rear”, “left”, “right”, “upper”, and “lower” indicate directions viewed from the driver. The drawings are viewed in the direction of the reference numerals.
FIG. 1 is a left side view of a saddle riding type vehicle according to the present invention. A scooter type motorcycle 10A as one form of a saddle riding type vehicle 10 includes a body frame 11 and a drive source suspended from the body frame 11. As a power unit 12.

  The vehicle body frame 11 includes a head pipe 13, a main frame 14 that includes the head pipe 13 at a tip portion and extends downward and rearward from the head pipe 13, and a rear frame 15 that is connected to the main frame 14 and extends rearward. It consists of and.

  The main frame 14 includes a pair of left and right upper frames 17L and 17R extending from the upper portion 13c of the head pipe 13 to the lower rear (only the front side reference numeral 17L is shown. This is a member including a pair of left and right lower frames 18L, 18R (only the front side reference numeral 18L is shown. In addition, connecting members 19L and 19R (only the reference numeral 19L on the near side is shown) are hung on the upper and lower frames 17L, 18L and 17R, 18R in order to increase the rigidity of the main frame 14. Has been passed.

  The rear frame 15 includes seat rails 21L and 21R (only the front side reference numeral 21L is shown. The same applies hereinafter) extending from the rear portions of the upper frames 17L and 17R to an intermediate position between the seat rails 21L and 21R. Middle frames 23L and 23R (only the front side reference 23L is shown) connecting the points 22L and 22R (only the front side reference 22L is shown. The same applies hereinafter) and the rear ends of the upper frames 17L and 17R. The same applies to the following), and rail stays 24L, 24R spanned between the upper portions of the middle frames 23L, 23R and the rear portions of the seat rails 21L, 21R (only the reference numeral 24L on the front side is shown. The same applies hereinafter). Are included as constituent members.

  A steering shaft 25 is provided on the head pipe 13 that constitutes the front end portion of the vehicle body frame 11, and a steering handle 26 that is steered by an occupant is rotatably supported on the upper end portion of the steering shaft 25. Front forks 31L and 31R (only the reference numeral 31L on the front side is shown. The same applies hereinafter) are attached to the lower end portion of the steering shaft 25 via a bottom bridge 27 having a substantially triangular shape in plan view. A front wheel 32 is rotatably mounted between the lower ends of 31R.

  Between the seat rails 21L and 21R and the middle frames 23L and 23R, pivot plates 33L and 33R (only the reference numeral 33L on the front side is shown. The same applies hereinafter) are spanned and linked downward from the pivot plates 33L and 33R. A member 34 is extended, and a link shaft 34 is provided with a support shaft 35, and the power unit 12, which also serves as a rear swing arm, is attached to the link member 34 so as to swing up and down. The rear wheel 36 as a drive wheel is rotatably attached, and between the power unit 12 and the seat rails 21L and 21R, rear cushion units 37L and 37R that absorb the impact from the road surface (only the reference numeral 37L on the front side). The same applies hereinafter).

An occupant seat 42 is attached to the upper surfaces of the seat rails 21L and 21R.
The occupant seat 42 is provided behind the head pipe 13, and a straddle space between the occupant and the steering handle 26 that is rotatably supported by the head pipe 13 and the occupant seat 42 on which the occupant sits. 43 is formed. An air bag module 44 in which an air bag is accommodated is provided in front of the passenger seat 42.

  The airbag module 44 is disposed behind the head pipe 13 and is disposed so that a part of the airbag module 44 overlaps the head pipe 13 when the head pipe 13 is viewed in a front view. That is, in the airbag module 44, at least a part of the airbag module 44 is disposed within the vertical width H of the head pipe 13 in a side view, and the head module is vertically moved in the height direction of the head pipe 13 in a front view. It arrange | positions so that the pipe 13 may overlap. In other words, since a part of the airbag module 44 can be placed on the head pipe 13, the height of the upper end surface 44t of the airbag module 44 can be kept low, and the height of the upper end surface 44t can be kept low. A space above the airbag module 44 can be secured. As a result, it is possible to increase the degree of freedom of member layout around the steering handle 26 in the height direction.

In this embodiment, since the airbag module 44 is disposed below the steering handle 26, the degree of freedom in design around the steering handle 26 and the steering handle 26 can be increased. For example, the degree of freedom regarding the steering handle 26 and the member arrangement around the steering handle 26 is increased.
In addition, a portion 44 z of the airbag module 44 is provided facing the straddling space 43.

The power unit 12 includes a transmission unit 46 that incorporates a belt-type transmission, and an engine 47 that extends forward from the front end of the transmission unit 46.
The engine 47 is a multi-cylinder water-cooled four-cycle engine in which a cylinder block 51, a cylinder head 52, and a cylinder head cover 53 are attached to the transmission unit 46 in this order. An air cleaner unit 55 is connected to the upper surface of the cylinder head 52 via an intake pipe 54, and an exhaust pipe 56 is connected to the lower surface of the cylinder head 52.

  In the figure, 57 is a radiator unit that cools the engine 47, 58 is a front disc brake unit, 61 is a front brake disc, 62 is a front cowl that covers the front of the vehicle, 63 is a main cowl that covers the side of the vehicle, and 64 is a rear cowl. 64G is a grab rail, 65 is a front fender, 66 is a rear fender, 67 is a silencer connected to the rear end of the exhaust pipe 56, and 68 is a main stand.

FIG. 2 is a plan view of an essential part of the saddle-ride type vehicle according to the present invention.
The airbag module 44 described above is disposed behind the head pipe 13, and an airbag control unit 71 that controls the deployment of the airbag stored in the airbag module 44 is disposed on the left side of the head pipe 13. A key cylinder 72 into which a key is inserted when turning on / off the vehicle is disposed on the right side of the head pipe 13.

  The head pipe 13, the airbag module 44, and the airbag control unit 71 that constitute the front portion of the vehicle body frame 11 are covered with a front cowl 62 as a component of the cowl 45, and a front cowl 62 as an outer surface 45 a of the cowl 45. A part 44z of the airbag module 44 is provided from the rear surface 62b to the straddling space 43, and a main cowl 63 as a component of the cowl 45 is provided below the straddling space 43 so as to cover the main frame 14. An occupant seat 42 is disposed behind the airbag module 44, and step floors 73L and 73R serving as footrests on which the occupant rests his / her feet are placed on the left and right side lower portions of the occupant seat 42. The rear cowl is provided from the left and right sides of the occupant seat 42 to the rear of the vehicle. It is covered at 4. That is, the cowl 45 is a member that covers the vehicle body frame 11 and that constitutes the exterior surface of the vehicle, and includes a front cowl 62, a main cowl 63, and a rear cowl 64 in order from the front to the rear of the vehicle.

74L and 74R (only the front side reference 74L is shown. The same applies hereinafter) are left and right bag anchors that hold the position of the airbag at a predetermined position when the airbag is inflated and deployed.
In the figure, 84 is a cross member spanned between the lower frames 18L and 18R.

  Hereinafter, in FIG. 3 to FIG. 5, the airbag module 44 constituting the airbag device 77, the main frame 14, the bag anchors 74 </ b> L and 74 </ b> R connecting the airbag module 44, and the airbag deployment are controlled. The arrangement of the airbag control unit 71 to be performed will be described.

  FIG. 3 is a side view of the main frame to which the airbag apparatus according to the present invention is attached. A bracket 78 is extended substantially upward from the upper frames 17L and 17R, and the airbag module 44 is attached to the bracket 78. Installed. Reference numeral 44 s denotes a lower edge of the airbag module 44.

  One ends 74La and 74Ra of the bag anchors 74L and 74R (only the reference numeral 74La on the front side in the figure is shown) are attached to the airbag module 44, and the other ends 74Lb and 74Rb (the front side in the figure) of the bag anchors 74L and 74R are attached. Only the reference numeral 74Lb on the side is shown (the same applies hereinafter) is connected to the connecting members 19L and 19R. Details of these bag anchors 74L and 74R will be described later. In the drawing, 80L and 80R (only the reference numeral 80L on the front side of the figure is shown. The same applies hereinafter) are connecting stays that connect the upper frames 17L and 17R and the lower frames 18L and 18R.

4 is a plan view of the main frame to which the airbag apparatus according to the present invention is attached. The vehicle body frame 11 includes a pair of left and right upper frames 17L and 17R extending from the upper part of the head pipe 13 to the lower rear. And a pair of left and right lower frames 18L, 18R extending from the lower part of the head pipe 13 downward and rearward. The left and right side surfaces 44c, 44d of the airbag module 44 The bag module 44 is disposed outside the left and right outer width Wu of the upper frames 17L and 17R and at the inner side of the left and right outer width Ws of the lower frames 18L and 18R at the front and rear center of the bag module 44 (see reference numeral 44c in FIG. 3) . Yes.

  Since the left and right side surfaces 44c and 44d of the airbag module 44 are disposed outside the upper frames 17L and 17R, it is possible to ensure a sufficient length in the width direction of the airbag module 44. Since a sufficient length in the width direction is secured in the airbag module 44, when the airbag (see reference numeral 85 in FIG. 7 to be described later) is deployed, the airbag module 44 can be smoothly deployed left and right.

  Further, since the left and right side surfaces 44c and 44d of the airbag module 44 are disposed inside the left and right outer widths Ws of the lower frames 18L and 18R, it is possible to avoid an increase in the vehicle width. In other words, by setting the outer width Wa of the airbag module 44 to an optimum width length that satisfies the relationship of Wu <Wa <Ws, sufficient deployment performance and compactness of the airbag module 44 can be achieved. Can be achieved.

  The airbag control unit 71 is disposed on the side of the head pipe 13 in the vehicle width direction. Specifically, a stay 79 is extended from the head pipe 13 in the left direction, and an airbag control unit 71 is attached to the stay 79.

  The head pipe 13 is disposed so that the lower end portion 13b is in front of the upper end portion 13a, and the front end portion 71a of the airbag control unit 71 is disposed rearward of the lower end front end 13d of the head pipe 13. Therefore, when the vehicle receives an impact from the front, first, the impact force is transmitted to the lower end portion 13 b of the head pipe 13.

  First, the impact force is transmitted to the lower end front end 13d of the head pipe 13, and the impact force is received at the lower end front end 13d of the head pipe 13, so that the impact force is hardly transmitted to the airbag control unit 71. . If the impact force is difficult to be transmitted to the airbag control unit 71, the airbag control unit 71 can be protected.

3 to 4, the airbag module 44 and the airbag control unit 71 are arranged offset in the height direction.
A space 81 that allows movement of the airbag control unit 71 is provided behind the airbag control unit 71. For this reason, even if the airbag control unit 71 receives an impact force and moves backward, the airbag control unit 71 can be used in the space 81 of the airbag control unit 71. For this reason, the airbag control unit 71 can be hardly affected by an external force.

  The central axis 44c of the airbag module 44 and the central axis 71c of the airbag control unit 71 are arranged in parallel with the direction of the axis 13c of the head pipe 13 when the vehicle is viewed from the side. Since the airbag module 44 and the airbag control unit 71 are provided parallel to the direction of the axis 13c of the head pipe 13, the structure around the head pipe 13 can be made simple and compact.

  A pair of left and right bag anchors 74L and 74R that hold the airbag 85 at a position facing the occupant when the airbag 85 is inflated and deployed are connected to the airbag (see reference numeral 85 in FIG. 7 described later). These bag anchors 74L and 74R are connected to the main frame 14 via connecting members 19L and 19R.

  The bag anchors 74L and 74R are disposed along the main frame 14, and the rear ends 75L and 75R (only the reference numeral 75L on the front side of the figure are shown) as the other ends 74Lb and 74Rb of the bag anchors 74L and 74R. The same applies to the connecting members 19L and 19R spanned over the main frame 14 under the occupant seat (reference numeral 42 in FIG. 1), and the fasteners 86L and 86R (only the reference numeral 86L on the front side in the figure is shown). The fasteners 86L and 86R are connected via bolts 87 and 87 (only the reference numeral 87 on the front side of the drawing is shown. The same applies hereinafter).

  The bag anchors 74L and 74R may be woven with resin fiber yarns similar to those for automobile seat belts, and the same material as the airbag 85 may be used. The material, structure, cross-sectional shape and the like can be arbitrarily set as long as they have the functions and strengths described above.

  In the present embodiment, the other ends 74Lb and 74Rb of the bag anchors 74L and 74R are connected to the connecting members 19L and 19R, but the positions of the other ends 74Lb and 74Rb of the bag anchors 74L and 74R vary depending on the vehicle type. There is a case. In this case, by connecting the other ends 74Lb and 74Rb of the bag anchors 74L and 74R to the connecting members 19L and 19R, the connection positions of the other ends 74Lb and 74Rb of the bag anchors 74L and 74R to the connecting members 19L and 19R. Can be changed to any position. For this reason, when installing the airbag apparatus 77 in a different vehicle model, the cost increase of a vehicle can be suppressed.

  FIG. 5 is a rear view of the main frame to which the airbag apparatus according to the present invention is attached. When the vehicle is viewed from the rear, at least a part of the airbag control unit 71 overlaps the airbag module 44. Placed in.

  The airbag module 44 is formed in a box shape and chamfered by forming a lower edge chamfer 44f on the lower end edge 44s provided on the rear surface 44e of the airbag module 44, so that the straddling space 43 is further enlarged. Can be secured. If the straddle space 43 is sufficiently secured, passengers can get on and off and can be further improved.

  Referring also to FIG. 4, the airbag module 44 is formed in a box shape, and left and right edges 44p and 44q provided on the rear surface 44e of the airbag module 44 are a left edge chamfer 44g and a right edge surface. Since the chamfered portion 44h is chamfered, the straddling space 43 can be enlarged. Since the straddling space 43 is secured sufficiently large, it is possible to more easily get on and off the vehicle, and at the same time, it is possible to improve the comfort of riding.

  A key cylinder 72 for turning on and off the vehicle is disposed on the right side, which is one side, of the side of the head pipe 13, and an airbag control is disposed on the left side, which is the other side of the head pipe 13. Since the unit 71 is arranged, the space on the opposite side of the key cylinder 72 (reference numeral 82 in FIG. 4) can be used effectively.

  FIG. 6 is a plan view for explaining the positional relationship between the airbag module and the cowl. A front cowl 62 as a cowl is provided at the front portion 83 of the vehicle. From a rear surface 62b constituting the outer surface of the front cowl 62, FIG. The rear surface 44e of the airbag module 44 projects outward.

  Since the rear surface 44e constituting a part of the airbag module 44 projects rearward from the outer surface of the cowl 62, the space occupied by the airbag module 44 occupying the front cowl 62 can be reduced. If the space occupied by the airbag module 44 occupying the front cowl 62 is reduced, the degree of freedom of layout of other members in the front cowl 62 can be increased.

  7 is a cross-sectional view taken along line 7-7 in FIG. 6. The airbag module 44 in which the airbag 85 is accommodated includes a container portion 91, an airbag 85 that is folded and accommodated in the container portion 91, and the airbag module. An inflator 92 that generates gas for inflating and deploying the bag 85 is a main component.

The container portion 91 includes a bottom portion 93, a rear surface 44 e raised from the bottom portion 93, and a frame portion 94 including left and right side surfaces (reference numerals 44 c and 44 d in FIG. 4) constituting the airbag module 44, and the frame portion 94. The lid portion 95 covers from above, and is cut out between the frame portion 94 and the lid portion 95 so that the lid portion 95 can be easily opened from the frame portion 94 when the airbag 85 is inflated and deployed. A portion 96 is formed. The cutout portion 96 is formed in the lid portion 95 along the frame portion 94. In addition, a notch 97 that allows the airbag 85 to be inflated and deployed is also formed on the inner side surface 62 n of the front cowl 62.
Between the rear surface 44e and the airbag 85, and the partition wall 151 is provided between the rear surface 44 e and the partition 151, the bag-mooring members 74L, is housed in a portion of the 74R are folded Yes.

  Referring also to FIG. 3, the airbag 85 is connected to the main frame 14 using a pair of left and right bag anchors 74 </ b> L and 74 </ b> R that hold the airbag 85 at a position facing the occupant, and the bag anchor 74L and 74R are arranged along the main frame 14.

  Since the pair of left and right bag anchors 74L and 74R are disposed along the main frame 14, when the airbag 85 is inflated and deployed, the bag anchors 74L and 74R disposed along the main frame 14 First, the front end portions 76L and 76R of the bag anchors 74L and 74R as connection portions to the airbag 85 are lifted, and the front end portions 76L and 74R of the bag anchors 74L and 74R as the airbag 85 is inflated and deployed. The bag anchors 74L and 74R are lifted from 76R toward the rear end portions 75L and 75R. Thus, since the bag anchors 74L and 74R are arranged along the upper frames 17L and 17R constituting the main frame 14, the bag anchors 74L and 74R smoothly guide the airbag 85 in the deploying direction. It becomes possible to make it.

8 is a cross-sectional view taken along line 8-8 in FIG.
In FIG. 8A, the bag anchoring body 74L is disposed along a space R formed between the main frame 14 and the cowl 45, and the main frame 14 is covered by a main cowl 63 as a component of the cowl 45. It has been broken.

  The bag anchoring body 74L is disposed along the space R formed between the upper frame 17L constituting the main frame 14 and the main cowl 63, and the inner surface 63n of the main cowl 63 is attached to the bag when the airbag is operated. In order to make the body 74L function smoothly, two weak parts 101 are formed on the left and right along the bag anchoring body 74L.

  Here, the depths of the notches 96P and 96Q provided in the two left and right weak parts 101 and 101 are as follows: the notch depth of the outer notch part 96P is DP1, and the notch depth of the inner notch part 96Q is DQ1. When forming, DP1 <DQ1 was formed.

  When the airbag device 77 is inactive, the bag anchor 74L is covered with the cowl 45 (main cowl 63). Since the bag tether 74L is covered by the front cowl 62, the appearance of the vehicle can be improved.

  In FIG. 8B, when the airbag device 77 is operated, the inner notch depth DQ1 is deeper than the outer notch depth DP1, so that the bag anchor 74L moves in the direction of the arrow h, and this bag anchor 74L hits and pushes the inner surface 63n of the main cowl 63, the main cowl 63 is broken at the inner notch 96Q, lifts in the direction of the arrow j around the outer notch 96P, and the opening 99 is formed in the cowl 45. It is formed. The bag tether 74L passes through the opening 99 and can move in the arrow h direction.

  The bag tether 74R arranged on the right side of the vehicle has the same configuration and operation as the bag tether 74L arranged on the left side, and a description thereof will be omitted.

  The main frame 14 is covered with a main cowl 63 as the cowl 45, and the bag anchors 74L and 74R are disposed along the space R formed between the main frame 14 and the main cowl 63. When the airbag device 77 operates, it is possible to smoothly guide the airbag (reference numeral 85 in FIG. 7) in the deployment direction.

  Furthermore, since the weak part 101 is formed along the bag anchors 74L and 74R on the inner surface 62n of the front cowl 62 as the inner surface 45n of the cowl 45, when the airbag 85 is deployed, the bag anchor 74L and 74R hit the fragile portion 101 formed on the inner surface 62n of the cowl 45, and an opening 99 is formed in the cowl 45 by the fragile portion 101, and the bag anchors 74L and 74R are formed along the fragile portion 101 from the cowl 45. Since the airbag 85 is pulled out, the airbag 85 can be smoothly deployed without hindering the deployment of the airbag 85.

  That is, the left and right bag anchors 74L and 74R are covered with the cowl 45, but since the opening 99 can be formed in the cowl 45 at a predetermined time, the cowl 45 secures the left and right bag anchors. The movement of the bodies 74L and 74R is not impaired, and the airbag 85 can be smoothly guided in the deployment direction.

FIG. 9 is a cross-sectional view taken along line 9-9 of FIG. 2, and the bag anchoring body 74L is disposed along a space R formed between the main frame 14 and the cowl 45.
In FIG. 9A, when the airbag device 77 is not operated, the bag anchoring body 74L is covered with the cowl 45 (main cowl 63).

9B, when the airbag device 77 operates, the bag anchor 74L moves in the direction of the arrow k, the bag anchor 74L hits the inner surface 63n of the main cowl 63, and the main cowl 63 has an inner notch. It is broken at the portion 96Q and lifted in the direction of the arrow m around the outer cutout portion 96P, and an opening 99 is formed in the cowl 45. The bag tether 74L passes through the opening 99 and can move in the arrow k direction.
A significant difference from FIG. 8 is that the direction of the bag anchoring body 74L is arranged in a different direction, and there is no significant change in other structures and functions.
The bag anchor 74R arranged on the right side of the vehicle has the same configuration and action as the bag anchor 74L arranged on the left side, and the description thereof is omitted.

The operation of the saddle-ride type vehicle described above will be described next.
FIG. 10 is an explanatory view of the operation of the airbag apparatus according to the present invention (during normal travel to the initial stage of airbag deployment).
In FIG. 10A, when the airbag device 77 is not operated, the bag anchors 74L and 74R are accommodated inside the front cowl 62 as the cowl 45.

  In FIG. 10B, when the airbag device 77 is operated, the airbag 85 is inflated and deployed. As the airbag 85 is inflated and deployed, the bag anchors 74L and 74R attached to the airbag 85 are It moves outward from the opening 99 formed by the contact of the bag anchors 74L and 74R between the notches (reference numerals 96P and 96Q in FIGS. 8 and 9) provided in the front cowl 62.

FIG. 11 is a cross-sectional view for explaining that the airbag module is deployed when the upper surface of the airbag module is opened.
When the airbag 85 is inflated and deployed, the lid 95 is lifted in the direction of the arrow c at the notch (see reference numeral 96A in FIG. 7) formed in the container 91 due to the inflation of the airbag 85, and an opening 99A is formed. A notch 97 formed in the front cowl 62 raises the rear portion of the front cowl 62 in the direction of arrow d, and the airbag 85 is deployed in the direction of arrow e. Since the container portion 91 is provided with a notch (see reference numeral 96 in FIG. 7) and the front cowl 62 is provided with the notch 97, the airbag 85 can be smoothly deployed at a predetermined time.
At this time, along with the deployment of the air bag 85, between the rear face 44 e and the partition wall 151, and is folded and housed bag-mooring member 74L, together with the 74R is extended, the rear surface 44e is the deployment of the air bag 85 Accordingly, it moves in the direction of the arrow f.

  FIG. 12 is an explanatory view of the operation of the airbag apparatus according to the present invention (when the deployment of the airbag is completed). The airbag 85 is deployed and hits the front surface of the occupant H. At this time, as the airbag 85 is deployed, the bag anchors 74L and 74R stored in the cowl 45 come out of the cowl 45 to stop the airbag 85 at a predetermined position on the front surface of the occupant H. Can do.

  Referring to FIGS. 1 and 2, the airbag module 44 is disposed in the empty space 102 behind the head pipe 13 and so as to protrude into the straddling space 43, so that there is no space around the steering handle 26. If this space is ensured, the layout of members arranged around the steering handle 26 can be hardly affected. When the airbag module 44 is provided in the saddle-ride type vehicle 10, the layout of the members disposed around the steering handle 26 is not easily affected. Therefore, the degree of freedom in arranging the members disposed around the steering handle 26 can be increased. .

  Referring to FIG. 5, the airbag control unit 71 is disposed so that at least a part of the airbag control unit 71 overlaps the airbag module 44 when the vehicle is viewed from the rear. The length in the width direction of the device 77 can be suppressed. If the length in the width direction of the airbag device 77 can be suppressed, the degree of freedom of arrangement of each member can be increased.

  Referring to FIGS. 8 to 12, the pair of left and right bag anchors 74L and 74R are arranged along the main frame 14 and, when the airbag 85 is inflated and deployed, of the bag anchors 74L and 74R. First, the front end portions 76L and 76R of the bag anchors 74L and 74R, which are connecting portions to the airbag 85, are lifted up, and the front end portions 76L and 76R of the bag anchors 74L and 74R are raised as the airbag 85 is inflated and deployed. To the rear end portions 75L and 75R, the bag anchors 74L and 74R are lifted. As described above, since the bag anchors 74L and 74R are arranged along the main frame 14, the bag anchors 74L and 74R can smoothly guide the airbag 85 in the deploying direction.

In this embodiment, the scooter type motorcycle as the saddle type vehicle has been described. However, a tricycle vehicle or the like may be used.
In the first aspect, the airbag control unit may be disposed forward of the lower end portion of the head pipe when the vehicle is viewed from the side.
According to the second aspect of the present invention, a space allowing the movement of the airbag control unit may be omitted behind the airbag control unit.

In Claim 3, the airbag module and the airbag control unit may be arranged without being offset in the height direction.
According to the fourth aspect of the present invention, the central axis of the airbag module and the central axis of the airbag control unit cannot be used without being arranged along the axial direction of the head pipe when the vehicle is viewed from the side.
According to the fifth aspect of the present invention, the key cylinder and the airbag control unit may be disposed on one side of the head pipe side.

  The present invention is suitable for a scooter type motorcycle.

1 is a left side view of a saddle-ride type vehicle according to the present invention. It is a principal part top view of the saddle-ride type vehicle which concerns on this invention. It is a side view of the main frame with which the airbag apparatus which concerns on this invention is attached. It is a top view of the main frame with which the airbag apparatus which concerns on this invention is attached. It is a rear view of the main frame with which the airbag apparatus which concerns on this invention is attached. It is a top view explaining the arrangement | positioning relationship between an airbag module and a cowl. FIG. 7 is a cross-sectional view taken along line 7-7 in FIG. 6. FIG. 8 is a sectional view taken along line 8-8 in FIG. 2. FIG. 9 is a sectional view taken along line 9-9 in FIG. 2. It is an operation explanatory view of the airbag device concerning the present invention (at the time of normal run-the initial stage of deployment of an airbag). It is sectional drawing explaining that the upper surface of an airbag module is open | released and an airbag expand | deploys. It is action explanatory drawing (at the time of completion | finish of an airbag deployment) of the airbag apparatus which concerns on this invention.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 10 ... Saddle-ride type vehicle, 13 ... Head pipe, 13a ... Upper end part of head pipe, 13b ... Lower end part of head pipe, 13c ... Shaft of shaft, 13d ... Front end of lower end part of head pipe, 26 ... Steering handle, 44 Air bag module 44c Central axis of air bag module 71 Air bag control unit 71c Central axis of air bag control unit 72 Key cylinder 81 Space

Claims (5)

In a saddle-ride type vehicle including a head pipe that rotatably supports a steering handle, an airbag module that stores an airbag, and an airbag control unit that controls deployment of the airbag.
The airbag module is disposed behind the head pipe,
The airbag control unit is disposed on the side of the head pipe in the vehicle width direction, and when the vehicle is viewed from the rear, at least a part of the airbag control unit overlaps the airbag module. A saddle-ride type vehicle characterized by being arranged. The head pipe is arranged so as to be inclined such that the lower end is forward of the upper end,
The saddle riding type vehicle according to claim 1, wherein the airbag control unit is disposed rearward of the front end of the lower end of the head pipe when the vehicle is viewed from the side.   The saddle-ride type vehicle according to claim 1 or 2, wherein a space allowing movement of the airbag control unit is provided behind the airbag control unit. The saddle-riding type vehicle according to claim 1, 2, or 3, wherein the airbag module and the airbag control unit are offset from each other in a height direction . On the side of the head pipe, a key cylinder for turning on / off the vehicle is disposed on one side, and the airbag control unit is disposed on the other side across the head pipe. The saddle riding type vehicle according to any one of claims 1 to 4 .

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