JP2015020632A - Motor cycle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To achieve weight reduction and downsizing of a vehicle even if a fuel tank for storing a high pressure gas fuel is enlarged.SOLUTION: A motor cycle includes: a fuel tank 32 which stores a gas fuel; and a vehicle body frame 13 equipped with the fuel tank 32. The fuel tank 32 includes: a tank body 36 which stores the gas fuel; and a tank valve 37 which is installed at the tank body 36 and controls inflow and outflow of the gas fuel. The tank body 36 is fastened to a main frame 18 and a down frame 19 of the vehicle body 13 through a coupling member 41 and is formed as a frame component member of the vehicle body frame 13.

Description

  The present invention relates to a motorcycle having a fuel tank for storing gaseous fuel.

  In a motorcycle equipped with a fuel tank for storing gaseous fuel, for example, a fuel cell motorcycle equipped with a fuel cell drive system, in order to safely install a fuel tank for storing gaseous fuel (for example, gaseous hydrogen), The fuel tank is disposed in an inner space surrounded by the frame structure (see Patent Document 1).

JP 2009-78624 A

  By the way, in a fuel cell motorcycle, in order to increase the travel distance, it is inevitable that the fuel tank is increased in pressure and size (large capacity). When the fuel tank is increased in size, the body frame surrounding the fuel tank is also increased in size and the weight is increased. In addition, a reinforcing member such as a bridge installed to ensure the rigidity of the vehicle body frame is disposed around the large fuel tank, so that the volume and weight of the reinforcing member itself are also increased. . For these reasons, the weight and volume of the vehicle increase in a fuel cell motorcycle.

  An object of the present invention has been made in view of the above-described circumstances, and provides a motorcycle that can realize a reduction in weight and size of a vehicle even when a fuel tank that stores high-pressure gaseous fuel is enlarged. It is in.

  The motorcycle according to the present invention includes a fuel tank that stores gaseous fuel, and a motorcycle body frame that mounts the fuel tank. The fuel tank includes a tank body that stores the gaseous fuel, and the tank body. And a tank valve that controls the entry and exit of the gaseous fuel, and the tank body is fastened and fixed to the body frame via a coupling member, and is configured as a frame constituent member of the body frame. It is a feature.

  According to the present invention, the rigidity and strength of the vehicle body frame can be improved by using the tank body having high rigidity and strength of the fuel tank as the frame constituent member. Furthermore, by using the tank body of the fuel tank as a frame constituent member, a frame constituent member such as a bridge arranged around the fuel tank can be omitted, and the volume and weight of the vehicle body frame can be reduced. As a result, even if the fuel tank for storing the high-pressure gaseous fuel is enlarged, the vehicle can be reduced in weight and size.

1 is a right side view showing a fuel cell motorcycle to which a first embodiment of a motorcycle according to the present invention is applied. FIG. FIG. 2 is a partial left side view showing the fuel cell motorcycle of FIG. 1 excluding an upper cowl. The III arrow line view of FIG. FIG. 3 is a left side view showing the vehicle body frame, fuel tank, and the like of FIG. 2. The perspective view which shows the motorcycle of FIG. 4 from diagonally backward. FIG. Sectional drawing which follows the VII-VII line of FIG. The left side view which shows the fuel cell motorcycle to which 2nd Embodiment of the motorcycle concerning this invention was applied, and respond | corresponds to FIG. The perspective view which shows the motorcycle of FIG. 8 from diagonally backward. X arrow line view of FIG. FIG. 9 is a left side view showing a modification of the fuel cell motorcycle of FIG. 8. FIG. 5 is a left side view showing a fuel cell motorcycle to which a third embodiment of the motorcycle according to the present invention is applied, corresponding to FIG. 4. FIG. 13 is a perspective view showing the motorcycle of FIG. The left side view which shows the fuel cell motorcycle to which 4th Embodiment of the motorcycle concerning this invention was applied, and respond | corresponds to FIG. The perspective view which shows the motorcycle of FIG. 14 from diagonally forward. The XVI arrow line view of FIG. Sectional drawing which follows the XVII-XVII line of FIG.

DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings.
[A] First embodiment (FIGS. 1 to 7)
FIG. 1 is a right side view showing a fuel cell motorcycle to which a first embodiment of a motorcycle according to the present invention is applied. FIG. 2 is a partial left side view of the fuel cell motorcycle shown in FIG. 1 excluding the upper cowl. Further, FIG. 3 is a view taken along arrow III in FIG. In each of the embodiments including the first embodiment, front and rear, left and right, and top and bottom expressions are based on the driver when riding the vehicle.

  The motorcycle 10 of the first embodiment is a fuel cell motorcycle that travels by driving a motor 11 as a prime mover using electric power obtained by a fuel cell drive system 30 described later. The motorcycle 10 includes a steering handle 12 at the front of the vehicle.

  The steering handle 12 is rotatably supported by the head pipe 14 of the vehicle body frame 13 via a steering bracket 15. Specifically, the steering bracket 15 is rotatably supported by the head pipe 14, and the steering handle 12 is fixed to a handlebar clamp 28 provided on the upper surface of the top bridge 15 </ b> A of the steering bracket 15.

  In other words, the steering handle 12 is coupled to the steering bracket 15 pivotally supported by the head pipe 14 so as to rotate together. The steering handle 12 is fixed to the handlebar clamp 28 at a substantially central portion in the vehicle width direction, extends from the left and right and obliquely rearward and upward, and then bends and extends obliquely rearward and laterally. A front wheel 17 is suspended from the steering bracket 15 via a pair of left and right front suspensions 16. The steering bracket 15 is pivotally supported by the head pipe 14 so as to be pivotable left and right, so that the front wheel 17 is steered left and right via the steering bracket 15 and the front suspension 16 by the operation of the steering handle 12.

  The vehicle body frame 13 includes a head pipe 14 provided at a front end portion, and a pair of left and right main frames 18 (in this embodiment, frontward) extending from the upper portion of the head pipe 14 obliquely downward while extending outward in the vehicle width direction. A front main frame 18A as a side portion and a rear main frame 18B as a rear portion, and a pair of left and right down frames 19 that extend diagonally downward from the lower portion of the head pipe 14 while extending outward in the vehicle width direction (this embodiment) In the embodiment, a pair of left and right pivot supports coupled to the rear end portions of the front down frame 19A as the front side portion and the rear down frame 19B as the back side portion, and the rear main frame 18B and the rear down frame 19B. Bracket 20 and rear frame 2 extending obliquely upward and rearward from rear main frame 18B When configured with a.

  Each of the pair of left and right front main frames 18A and front down frames 19A, as shown in FIGS. 4 to 6, extends backward from the head pipe 14 while extending outward in the vehicle width direction, and then bends and extends rearward of the vehicle. The rear end portion is fastened and fixed to the front portion of the tank bracket 42 in the coupling member 41 described in detail later. Each of the left and right rear main frames 18B and the rear down frame 19B is fastened and fixed to the rear portion of the tank bracket 42 and then extends rearward. The rear end of the rear main frame 18B is the upper end of the pivot support bracket 20. In addition, the rear end of the rear down frame 19B is coupled to the lower end of the pivot support bracket 20, respectively.

  Thus, the main frame 18 is configured to be separated into the front main frame 18A and the rear main frame 19B that are fastened and fixed to the tank bracket 19 of the fastening member 41. Similarly, the down frame 19 is configured to be divided into a front down frame 19A and a rear down frame 19B fastened and fixed to the tank bracket 42.

  As shown in FIGS. 1 to 3, the pivot support bracket 20 is disposed in a pair of left and right at a substantially central portion in the vehicle front-rear direction, and supports the swing shaft 24 of the swing arm 23 on the left and right. The swing arm 23 is equipped with the motor 11 for driving the rear wheel 25 and is provided so as to be swingable in the vertical direction around the swing shaft 24. One end of the rear cushion unit 26 is swingably attached to the frame bridge 27 and the other end is swingably attached to the swing arm 23 to support the swing arm 23. Here, the frame bridge 27 includes a support bracket 27 </ b> A that is installed between the rear main frames 18 </ b> B of the vehicle body frame 13 and supports one end of the rear cushion unit 26.

  The rear frame 21 extends obliquely rearward from the left and right rear main frames 18B, and is similarly reinforced by side frames 22 extending obliquely rearward from the left and right rear main frames 18B. The rear frame 21 and the sub frame 22 support a seat 29 on which an occupant is seated. The seat 29 is disposed above the rear frame 26 and behind the operation handle 12.

  The fuel cell drive system 30 includes a fuel cell 31, a fuel tank 32, a battery 33, an inverter 34, and the like, and the fuel tank 32 is mounted on the vehicle body frame 13.

  The fuel cell 31 generates electric power by chemically reacting gaseous hydrogen as gaseous fuel with oxygen in the air, and supplies the generated electric power to the motor 11. The fuel tank 32 stores hydrogen used in the fuel cell 31 in a high-pressure gas state. Further, the battery 33 stores surplus power generated in the fuel cell 31. The inverter 34 changes the frequency of the electric power from the fuel cell 31 or the battery 33 by an unillustrated controller and supplies power to the motor 11 to control the rotation speed of the motor 11, that is, the vehicle speed.

  Here, the battery 33 and the inverter 34 are disposed in the lower part of the vehicle, and the battery 33 is supported by the left and right down frames 19 behind the front wheels 17. The inverter 34 is supported by the left and right pivot support brackets 20 between the battery 33 and the rear wheel 25. Further, as shown in FIGS. 1 to 3, the fuel cell 31 is supported by the main frame 18 above the left and right main frames 18. Further, reference numeral 35 in FIG. 1 denotes an upper cowl that covers the fuel cell 31.

  As shown in FIGS. 4 to 6, the fuel tank 32 is provided with a tank valve 37 protruding from the front of a substantially bowl-shaped tank body 36 for storing gaseous hydrogen so as to control the gaseous hydrogen. The tank valve 37 has a fuel filling port 38 for introducing gaseous hydrogen to the tank body 36 and a regulator 39 for adjusting the pressure of gaseous hydrogen in the tank body 36 and supplying it to the fuel cell 31 via the fuel pipe 40. It is connected.

  The tank body 36 of the fuel tank 32 has a surface layer portion made of carbon fiber resin laminated on the surface of a metal storage portion, and has rigidity and strength equal to or higher than, for example, an engine. The tank body 36 is fastened and fixed to the main frame 18 and the down frame 19 of the vehicle body frame 13 via the coupling member 41 and is configured as a frame component member of the vehicle body frame 13.

  That is, the coupling member 41 includes a pair of left and right tank brackets 42 and a pair of upper and lower collars 43. As shown in FIGS. 4 to 7, the tank bracket 42 has a substantially rectangular shape having openings 44 above and below the central portion in the vehicle front-rear direction, and a pressing contact surface for sandwiching the tank body 36 from the opposite left and right positions. 45 (FIG. 7) is formed inside. Further, the collar 43 is formed in a substantially rectangular shape having an opening 46 in the center portion of the side surface.

  The pair of tank brackets 42 brings the pressure contact surface 45 into contact with the tank main body 36 of the fuel tank 32 and sandwiches and presses the tank main body 36 from the left and right opposing positions. Is positioned between the tank brackets 42 at the upper and lower positions. In this state, the fastening bolts shown in FIG. 7 are attached to the rear ends of the front main frame 18A and the front down frame 19A, the front ends of the rear main frame 18B and the rear down frame 19B, the pair of tank brackets 42, and the pair of collars 43. A nut 48 is screwed into the tip of the fastening bolt 47.

  As a result, the tank bracket 42 is fastened and fixed to the main frame 18 and the down frame 19 with the tank body 36 of the fuel tank 32 sandwiched and pressed from the left and right sides, and the tank body 36 is fixed to the main frame 18 and the down frame 19. And an integral structure. At this time, the collar 43 is disposed between the pair of tank brackets 42, defines the interval between the tank brackets 42, and functions as a bridge with respect to the main frame 18 and the down frame 19. The front main frame 18A, the rear main frame 18B, the front down frame 19A, the rear down frame 19B, the tank bracket 42, and the collar 43 are fastened together by the fastening bolt 47 and the nut 48.

With the configuration as described above, according to the main body 1 embodiment, the following effects (1) to (7) are obtained.
(1) By using the tank body 36 having high rigidity and strength of the fuel tank 32 as a frame component, the rigidity and strength of the main frame 18 and the down frame 19 of the vehicle body frame 13 can be improved. Furthermore, by using the tank main body 36 of the fuel tank 32 as a frame component member, a frame component member (reinforcing member) such as a bridge disposed around the fuel tank 36 can be omitted. Weight can be reduced. As a result, the motorcycle 10 can be reduced in weight and size even if the fuel tank 32 for storing high-pressure gaseous fuel is enlarged.

  (2) Since a frame component such as a bridge arranged around the fuel tank 32 can be omitted, the degree of freedom in the layout of the peripheral parts of the fuel tank 32 and the vehicle body frame 13 can be increased.

  (3) By using the tank main body 36 of the fuel tank 32 as a frame constituent member, the tank valve 37 and the like installed in the tank main body 36 can be used for vehicle body frames other than the fuel tank 32 (particularly the main frame 18 and the down frame 19). The tank valve 37 and the like can be effectively protected.

  (4) Since the tank bracket 42 of the fastening member 41 is fastened to the main frame 18 and the down frame 19 with the tank body 36 of the fuel tank 32 sandwiched and pressed from both the left and right sides, the tank is fixed to the fuel tank 32 side. There is no need to provide a mounting bracket, resulting in excellent productivity.

  (5) When the pressing contact surface 45 of the tank bracket 42 in the coupling member 41 contacts the surface of the tank body 36 of the fuel tank 32, for example, the load acting on the vehicle body frame 13 from the front wheel 17 and the rear wheel 25 is applied to the fuel tank 32. Therefore, the stress concentration generated in the tank bracket 42 in contact with the tank body 36 can be reduced.

  (6) Since the collar 43 is disposed between the tank brackets 42 of the fastening member 41 and the distance between the pair of tank brackets 42 is defined, excessive tightening of the fuel tank 32 by the fastening member 41 can be prevented.

(7) The main frame 18 is configured to be separated into a front main frame 18 fixed to the front portion of the tank bracket 42 of the coupling member 41 and a rear main frame 18B fixed to the rear portion of the tank bracket 42. Further, the down frame 19 is configured to be separated into a front down frame 19A fixed to the front and rear of the tank bracket 42 of the fastening member 41 and a rear down frame 19B fixed to the rear portion of the tank bracket 42. Thus, since the vehicle body frame 13 does not exist outside the fastening member 41 that supports the fuel tank 32, the occupied area of the vehicle body frame 13 is reduced, thereby improving the layout flexibility of the peripheral components of the fuel tank 32. be able to.
Further, since the width of the vehicle central portion corresponding to the tank bracket 42 where the occupant (especially the driver) seated on the seat 29 is located can be narrowed, the comfort during riding can be improved.

[B] Second Embodiment (FIGS. 8 to 11)
FIG. 8 shows a fuel cell motorcycle to which a second embodiment of the motorcycle according to the present invention is applied, and is a left side view corresponding to FIG. FIG. 9 is a perspective view showing the motorcycle of FIG. 8 obliquely from the rear. In the second embodiment, the same parts as those in the first embodiment are denoted by the same reference numerals, and the description is simplified or omitted.

  The difference between the motorcycle 50 as the fuel cell motorcycle in the second embodiment and the first embodiment is the shapes of the tank bracket 52 and the collar 53 in the fastening member 51.

  That is, as shown in FIG. 8 to FIG. 10, each of the tank brackets 52 arranged on the left and right is formed in a rectangular shape in which a long hole-shaped opening 54 is formed in the central portion. Further, the collar 53 has a rectangular shape, and is arranged so as to be separated from each other two above and below between the pair of tank brackets 52.

  In the second embodiment, the same effects as the effects (1) to (7) of the first embodiment can be obtained, and in particular, the shape of the collar 53 can be simplified.

  In the second embodiment, the front main frame 18A and the front down frame 19A in FIGS. 8 to 10 are front frame bodies 55 integrally formed by casting or the like as shown in FIG. Also good.

[C] Third Embodiment (FIGS. 12 and 13)
FIG. 12 shows a fuel cell motorcycle to which a third embodiment of the motorcycle according to the present invention is applied, and is a left side view corresponding to FIG. FIG. 13 is a perspective view of the motorcycle shown in FIG. 12 as viewed obliquely from the front. In the third embodiment, the same parts as those in the first embodiment are denoted by the same reference numerals, and description thereof is simplified or omitted.

  A motorcycle 60 as a fuel cell motorcycle according to the third embodiment is different from the first embodiment in that a fastening member 61 includes a tank bracket 62 having substantially the same shape as the tank bracket 42 of the first embodiment, and a second embodiment. In addition to the collar 53 having the same shape as the collar 53 of the embodiment, the collar 53 has a frame clamp 64, and a main frame 65 and a down frame 66 are continuously formed through the fastening member 61.

  That is, the main frame 65 extends from the rear portion of the head pipe 14 outward in the vehicle width direction and continuously extends obliquely downward and rearward of the vehicle, passes through the fastening member 41, and is coupled to the upper end of the pivot support bracket 20 to form a pair of right and left Provided. The down frame 66 extends obliquely downward and rearward from the lower portion of the head pipe 14 while extending outward in the vehicle width direction, penetrates the fastening member 41, and is coupled to the lower end of the pivot support bracket 20 to be provided as a pair of left and right. In at least one of the main frame 65 and the down frame 66 (down frame 66 in the third embodiment), a down frame penetration portion 66B that penetrates the fastening member 41 is attached to the other down frame main body portion 66A with a mounting bolt. 68 is configured to be detachable.

  The frame clamp 64 of the fastening member 61 is interposed between both ends of the collar 63 and the tank bracket 62, and a fastening bolt 67 passes through the tank bracket 62, the collar 63 and the frame clamp 64 and fastens them together. In doing so, the main frame 65 and the down frame 66 are held together with the tank bracket 62. The gripping force at this time is adjusted by the thickness of the frame clamp 64. Further, by fastening the fastening bolt 67, the tank bracket 62 sandwiches and presses the tank main body 36 of the fuel tank 32 from the left and right opposing positions. The pressing force at this time depends on the thickness of the frame clamp 64 and the collar 63. It is adjusted by changing the longitudinal dimension.

  Here, when removing the fuel tank 32, first, the fastening bolt 67 is loosened to remove the fastening member 61, then the down frame through portion 66B of the down frame 66 is removed, and then the fuel tank 32 is removed. The fuel tank 32 is attached in the reverse order of the removal of the fuel tank 32.

  As described above, by fastening with the fastening bolt 67, the tank main body 36, the main frame 65, and the down frame 66 of the fuel tank 32 are integrated with each other via the fastening member 61. In addition to the effects (1) to (5) of the embodiment, the following effect (8) is achieved.

  (8) A frame clamp 64 is interposed between the tank bracket 62 and the collar 63 in the fastening member 61. By changing the thickness of the frame clamp 64 and the longitudinal dimension of the collar 63, a pair of tank brackets 62 is provided. Therefore, excessive tightening of the fuel tank 32 by the connecting member 61 can be prevented.

[D] Fourth embodiment (FIGS. 14 to 17)
FIG. 14 shows a fuel cell motorcycle to which a fourth embodiment of the motorcycle according to the present invention is applied, and is a left side view corresponding to FIG. FIG. 15 is a perspective view showing the motorcycle of FIG. 14 obliquely from the front. In the fourth embodiment, portions similar to those in the first embodiment are denoted by the same reference numerals, and description thereof is simplified or omitted.

  The difference between the motorcycle 70 as the fuel cell motorcycle of the fourth embodiment and the first embodiment is that a plurality of, for example, two fastening members 71 and 72 are mainly arranged apart from each other in the vehicle front-rear direction. In addition, the main frame 73 and the down frame 74 are configured to extend continuously from the head pipe 14 to the rear of the vehicle as in the third embodiment.

  That is, the fastening members 71 and 72 include a pair of left and right tank brackets 75 having a rectangular shape and a pressing contact surface 45 (FIG. 17) formed inside, and a pair of upper and lower collars 76 disposed between the tank brackets 75. And a frame clamp 77 interposed between both ends of the collar 76 and the tank bracket 75.

  As shown in FIG. 17, these fastening members 71 and 72 include a fastening bolt 78 that passes through the tank bracket 75, the collar 76, and the frame clamp 77, and a nut 79 is screwed onto the tip of the fastening bolt 78. When the fastening bolt 80 tightens the tank bracket 75 and the frame clamp 77, the tank bracket 75, the collar 76, and the frame clamp 77 are integrated, and the tank bracket 75 and the frame clamp 77 hold the main frame 73 and the down frame 74. .

  Further, by tightening with the fastening bolt 78 and the nut 79, the tank bracket 75 sandwiches and presses the tank body 36 of the fuel tank 32 from the left and right facing positions. As a result, the tank main body 36 of the fuel tank 32 is integrated with the main frame 73 and the down frame 74 via the fastening members 71 and 72.

  By changing the plate thickness of the frame clamp 77 in the fastening members 71 and 72, the gripping force of the main frame 73 and the down frame 74 by the tank bracket 75 and the frame clamp 77 is adjusted. Further, the pressing force of the tank main body 36 of the fuel tank 32 by the tank bracket 75 is adjusted by changing the plate thickness of the frame clamp 77 and the longitudinal dimension of the collar 76 in the fastening members 71 and 72. Further, a support bracket 81 that supports one end of the reaction unit 26 is integrally formed on the collar 76 of the fastening member 72 at the rear of the vehicle.

  The main frame 73 and the down frame 74 are configured to extend continuously from the head pipe 14 through the fastening members 71 and 72 toward the rear of the vehicle. Further, at least one of them (the down frame 74 in the fourth embodiment) has a down frame penetrating portion 74B penetrating the fastening members 71 and 72, and a mounting bolt 82 is used for the other down frame main body portion 74A. It is configured to be detachable. When removing the fuel tank 32, the fastening bolts 78, nuts 79, and fastening bolts 80 are removed to remove the fastening members 71 and 72, then the down frame penetrating portion 74 </ b> B of the down frame 74 is removed, and then the fuel tank 32 is removed. The fuel tank 32 is attached in the reverse order of the removal of the fuel tank 32.

  As described above, the tank main body 36, the main frame 73, and the down frame 74 of the fuel tank 32 are integrated with each other via the fastening members 71 and 72. Therefore, the fourth embodiment is also the first embodiment. In addition to the same effects as the effects (1) to (5), the following effect (9) is achieved.

  (9) Since the collar 76 is disposed between the tank brackets 75 of the fastening members 71 and 72 and the frame clamp 77 is interposed between the tank bracket 75 and the collar 76, the longitudinal dimension of the collar 76 and the frame clamp 77 The distance between the pair of tank brackets 75 can be adjusted by changing the plate thickness. Thereby, excessive tightening of the fuel tank 32 by the tank bracket 75 can be prevented.

  As mentioned above, although embodiment of this invention was described, these embodiment is shown as an example and is not intending limiting the range of invention. Each embodiment can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the scope of the invention.

  For example, the case where the fastening members 41, 51, 61, 71 and 72 in each embodiment sandwich and press the tank body 36 of the fuel tank 32 from the left and right facing positions has been described. It is also possible to adopt a configuration in which the is sandwiched and pressed from the opposing position in the vertical direction. In addition, the tank brackets 42, 52, 62, and 75 and the collars 43, 53, 63, and 76 of each embodiment may be provided with attachment portions for attaching the fuel cell 31, the battery 33, and the like.

  Further, the fuel tank 32 is not limited to storing the gaseous fuel supplied to the fuel cell 31, and may store the gaseous fuel supplied to the hydrogen engine, for example.

10 Motorcycle (Fuel cell motorcycle)
11 Motor 13 Body frame 14 Head pipe 18 Main frame 18A Front main frame (front portion)
18B Rear main frame (rear part)
19 Down frame 19A Front down frame (front part)
19B Rear down frame (rear part)
30 Fuel Cell Drive System 31 Fuel Cell 32 Fuel Tank 36 Tank Body 37 Tank Valve 41 Fastening (Coupling) Member 42 Tank Bracket 43 Color 50 Motorcycle (Fuel Cell Motorcycle)
51 Fastening (coupling) member 52 Tank bracket 53 Color 60 Motorcycle (fuel cell motorcycle)
61 Fastening (coupling) member 62 Tank bracket 63 Collar 65 Main frame 66 Down frame 70 Motorcycle (fuel cell motorcycle)
71, 72 Fastening (coupling) member 73 Main frame 74 Down frame 75 Tank bracket 76 Color

Claims (3)

In a motorcycle having a fuel tank for storing gaseous fuel and a vehicle body frame on which the fuel tank is mounted,
The fuel tank includes a tank main body that stores the gaseous fuel, and a tank valve that is installed in the tank main body and controls the entry and exit of the gaseous fuel,
2. The motorcycle according to claim 1, wherein the tank body is fastened and fixed to the vehicle body frame via a coupling member, and is configured as a frame component member of the vehicle body frame. The coupling member includes a tank bracket that is fastened in a state where the tank body of the fuel tank is sandwiched from a facing position, a collar that is disposed between the tank brackets and defines a distance in the vehicle width direction of the pair of tank brackets, The motorcycle according to claim 1, wherein the motorcycle is configured. The vehicle body frame includes a frame extending from the head pipe to the rear of the vehicle, a front side portion extending from the head pipe to the rear of the vehicle and fixed to a front portion of a coupling member, and a rear portion of the coupling member fixed to the rear of the vehicle. The motorcycle according to claim 1 or 2, wherein the motorcycle is configured to be separated into an extending rear portion.

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