JP5560059B2 - Saddle riding - Google Patents

Description

  The present invention relates to an improvement in a saddle-ride type vehicle in which a storage box and a fuel tank are arranged below and behind a seat on which a driver sits.

  2. Description of the Related Art A motorcycle is known in which a storage box in which a helmet or the like can be stored and a fuel tank are arranged below and behind a seat on which a driver is seated (see, for example, Patent Document 1 (FIG. 2)). .)

  In FIG. 2 of Patent Document 1, a storage box (8) that can store an article such as a helmet through an upper opening (18) (the numbers in parentheses indicate the symbols described in Patent Document 1. The same applies hereinafter). Is provided.

  In a motorcycle, in order to avoid an increase in the size of the vehicle, the storage capacity of the storage box (8) must be limited. As described above, when a helmet is stored in the storage box (8) having a limited storage capacity, and then, for example, an accessory such as a service manual is stored, it may be difficult to store the accessory. The reason why it is difficult to store small items is that the wall shape of the inner wall of the storage box (8) is symmetrical with respect to the center line in the vehicle width direction. The space is equally divided. Such accessory storage spaces have equal left and right storage capacities, but the left and right accessory storage spaces have only a limited capacity, so only relatively small items can be stored. It is limited to.

  By the way, the articles stored in the storage box include relatively large accessories in addition to helmets and really small articles. As this relatively large accessory, for example, there is an instruction manual in which explanations in a plurality of languages are described.

If the instruction manual contains explanations in eight languages, the instruction manual will inevitably be thick.
In addition to a helmet, a saddle-ride type vehicle equipped with a storage box that can store a relatively small accessory is desired.

JP 2006-281920 A

  An object of the present invention is to provide a saddle-ride type vehicle provided with a storage box that can store a relatively large accessory such as an instruction manual in addition to a helmet.

The invention according to claim 1 includes a seat on which the driver is seated, a storage box disposed below the seat and having an upper opening opened and closed by the seat, and a fuel tank disposed behind the storage box. The storage box has a front wall, left and right walls extending from the front wall to the rear of the vehicle, and a rear wall passed between the rear ends of the left and right walls, and a helmet storage space for storing a helmet. In the saddle-ride type vehicle that is formed and has an accessory storage space formed between the helmet storage space and the rear wall, the accessory storage space has a left storage portion and a right storage portion with respect to the center in the vehicle width direction. When the fuel tank has a front wall portion as a left front wall portion and a right front wall portion with respect to the center in the vehicle width direction, the left front wall portion and The other side of the right front wall Swelled toward the vehicle front than towards, includes an engine saddle-seat vehicle, below the storage box, the cylinder of the engine is disposed, the discharge port or suction port of the fuel tank, fuel swelled to the front of the vehicle A fuel hose extends from the fuel tank to the engine. The fuel hose extends from the fuel tank to the engine. It is routed along the rear wall .

According to a second aspect of the present invention, there is provided a seat on which a driver is seated, a storage box disposed below the seat and having an upper opening opened and closed by the seat, and a fuel tank disposed at the rear of the storage box. The storage box includes a front wall, left and right walls extending from the front wall to the rear of the vehicle, and a rear wall passed between the rear ends of the left and right walls, and is capable of storing a helmet. In the saddle-ride type vehicle in which the accessory storage space is formed between the helmet storage space and the rear wall, the accessory storage space is stored in the left storage portion and the right storage portion with respect to the center in the vehicle width direction. When the fuel tank has a front wall portion as a left front wall portion and a right front wall portion with respect to the center in the vehicle width direction, these left front wall portions And other with the right front wall And a groove portion is formed on the lower surface of the seat over the entire circumference of the seat, and a seal member is fitted in the groove portion, and the seal surface is in contact with the upper opening of the storage box. And a rear extension extending from the upper opening to the rear of the vehicle to make the seal surface symmetrical with respect to the center line in the vehicle width direction. The rear extension extends to the fuel pump. In addition, a fuel hose is disposed between the rear extension and the fuel tank .

  In the invention according to claim 3, the fuel tank is disposed above the wheel, the bottom of the fuel tank is formed in a generally downward shape along the front upper surface of the wheel, and the discharge port or the suction port of the fuel tank is The fuel tank is provided at the bulging portion of the fuel tank bulged forward of the vehicle.

  The invention according to claim 4 is characterized in that a fuel pump is provided in the bulging portion of the fuel tank.

  In the invention according to claim 1, the accessory storage space projects one of the left storage portion and the right storage portion toward the rear of the vehicle with respect to the center in the vehicle width direction, and the fuel tank has a front wall portion. When the left front wall portion and the right front wall portion are defined with respect to the center in the vehicle width direction, the other of the left front wall portion and the right front wall portion is bulged forward of the vehicle rather than one. That is, one side of the accessory storage space is projected to the rear of the vehicle, and the other side of the front wall portion is bulged forward of the vehicle with a fuel tank.

  Conventionally, the storage box is formed symmetrically or substantially symmetrically with respect to the center in the vehicle width direction. In this case, the accessory storage space located behind the helmet storage space is left-right symmetric or substantially left-right symmetric, but each accessory storage space is only a limited volume space.

  In this regard, in the present invention, in the accessory storage space, one side of the left storage portion and the right storage portion protrudes rearward of the vehicle, and the other of the left front wall portion and the right front wall portion extends forward of the vehicle with the fuel tank. Since the small item storage space is formed symmetrically, a large volume can be secured in one of the small item storage spaces. If a small volume is provided in one accessory storage space, a large accessory can be stored in the accessory storage space.

  In addition, the decrease in fuel tank capacity due to the enlargement of the accessory storage space on one of the left and right sides is caused by bulging one of the left front wall and right front wall of the fuel tank toward the front of the vehicle. , You can give a small capacity storage space. In this case, by expanding the accessory storage space, there is no fear that the capacity of the fuel tank is sacrificed, and a sufficient fuel capacity is secured. Therefore, according to the present invention, the limited space of the saddle-ride type vehicle can be effectively utilized without causing waste.

Further , the fuel pump is disposed on the upper surface of the bulge portion of the fuel tank, and this bulge portion bulges the other of the left front wall portion and the right front wall portion constituting the front wall portion of the fuel tank forward of the vehicle. It was made to come out. By using this bulging portion, the fuel pump can be disposed close to the storage box disposed in front of the fuel tank. Since the engine cylinder is arranged below the storage box and the fuel hose is extended from the fuel pump to the engine cylinder, the fuel hose can be shortened.

In addition, since the fuel hose is routed along the rear wall of the storage box located on the side where the bulging portion of the fuel tank is arranged in the vehicle width direction, the length of the fuel hose is further shortened. can do.
In the invention according to claim 2, the upper opening of the storage box is provided with a seal surface, and a rear extension portion extending from the upper opening to the rear of the vehicle is provided. The seal surface is symmetrical with respect to the center line in the vehicle width direction. The seal member is fitted and disposed, and the seal member can be brought into contact with the seal surface symmetrically. The groove provided on the lower surface of the seat can be symmetrical in the vehicle width direction. By fitting the seal member into the groove, the load on the occupant is transmitted to the seal surface through the seal member with a good left-right balance. Therefore, the sitting comfort can be enhanced, and the right and left stiffness balance of the seat can be easily obtained.
Further, the rear extension part extends to the fuel pump, and the fuel hose is disposed between the rear extension part and the fuel tank, so that the upper part of the fuel hose is covered with the rear extension part. Therefore, it is not necessary to set a separate member for protecting the fuel hose, and the number of parts can be reduced.

  In the invention according to claim 3, the bulging portion includes a part of the bottom portion of the fuel tank disposed above the wheel, and the bottom portion of the fuel tank is substantially lowered forward along the front upper surface of the wheel. The fuel tank outlet or the fuel pump suction port is provided in the bulging portion.

  In the vicinity of the bottom of the fuel tank, an outlet of the fuel tank or a suction port of the fuel pump is arranged at a bulging portion bulged forward of the vehicle. Since the height of the bottom part included in the bulging part is lower than the height of the bottom part that is not the bulging part, the fuel in the fuel tank flows to the bulging part located at the lowest part of the fuel tank. Since the discharge port or suction port of the fuel tank is provided in such a bulging portion, the remaining amount of fuel in the fuel tank can be reduced, and a large net fuel tank capacity can be secured.

In the invention which concerns on Claim 4, the fuel pump is provided in the bulging part provided in the fuel tank.
Since the bulging portion bulges forward of the vehicle in a plan view of the vehicle, the area of the upper surface of the fuel tank can be increased accordingly. Since the fuel pump can be mounted using the portion corresponding to the bulging portion of the upper surface of the fuel tank, the fuel pump can be easily mounted compared to the case where the bulging portion is not provided in the fuel tank. it can.

1 is a left side view of a motorcycle according to the present invention. It is a left view explaining the frame structure of a motorcycle. It is a top view explaining the frame structure of a motorcycle. 1 is a left side view of a main part of a motorcycle according to the present invention (with a seat removed). 1 is a plan view of a main part of a motorcycle according to the present invention (with a seat removed). Fig. 3 is a cross-sectional view of a fuel tank provided in the motorcycle. FIG. 7 is a cross-sectional view taken along line 7-7 in FIG. 5. FIG. 8 is a cross-sectional view taken along line 8-8 in FIG. 5. Fig. 2 is a sectional view of a seat provided in the motorcycle. FIG. 3 is a bottom view of the seat provided in the motorcycle (with the seal member removed). It is a top view explaining the state which mounted the sheet | seat on the storage box with which the motorcycle is equipped. 12 is a sectional view taken along line 12-12 of FIG. FIG. 13 is a cross-sectional view taken along line 13-13 in FIG. 5.

  Hereinafter, embodiments of the present invention will be described in detail. In the drawings and examples, “up”, “down”, “front”, “rear”, “left”, and “right” respectively indicate directions viewed from the driver who rides the motorcycle. The drawings are viewed in the direction of the reference numerals.

Embodiments of the present invention will be described with reference to the drawings.
As shown in FIG. 1, the motorcycle 10 swings a vehicle body frame 11, a front wheel suspension device 13 that is rotatably provided at a front end portion of the vehicle body frame 11 and supports a front wheel 12, and a rear wheel 14. And a rear wheel suspension device 15 that is movably supported.

  The front wheel suspension device 13 is rotatably attached to a head pipe 17 provided at the front end portion of the vehicle body frame 11 and is attached to a front fork 18 to which the front wheel 12 is attached. It comprises a steering handle 19 that imparts a turning force, and supports the front wheels 12 to be extendable and steerable.

  The rear wheel suspension device 15 includes a power unit 23 that extends rearward from the vehicle body frame 11 via a link mechanism 22 and also serves as a rear swing arm and has a rear wheel 14 attached to a rear end portion thereof, and the power unit 23 and the vehicle body frame 11. The rear cushion unit 24 is interposed between the power unit 23 and the vehicle body frame 11 so as to be swingable. The power unit 23 includes an engine 25 and a speed change mechanism 26. The engine 25 is provided with a cylinder 27, a throttle valve 28 is connected to the cylinder 27, and an air cleaner unit 29 is connected to the throttle valve 28. The motorcycle 10 includes an engine 25.

  The motorcycle 10 includes a seat 31 disposed between a front wheel 12 and a rear wheel 14 on which a driver is seated, and a storage box 33 as a container provided below the seat 31 and having an upper opening 32 opened and closed by the seat 31. And a fuel tank 34 disposed behind the storage box 33, and is a saddle-ride type vehicle on which the driver rides over the seat 31. An engine cylinder 27 is disposed below the storage box 33.

  The vehicle body cover 36 covering the vehicle body frame 11 includes a front cowl 37, a center cowl 38 that continues to the rear of the front cowl 37, and a rear of the center cowl 38 that continues to the center cowl 38. And rear cowl 39. A rear fender 41 is provided above the rear part of the rear wheel.

Next, the structure of the body frame will be described.
As shown in FIGS. 2 and 3, the vehicle body frame 11 includes a head pipe 17, a single main frame 51 extending obliquely downward from the head pipe 17, and the main frame 51. A cross frame 52 extending in the vehicle width direction at the rear end, left and right seat rails 53L and 53R extending obliquely rearward and upward from left and right ends of the cross frame 52, and left and right seat rails 53L, The first cross member 54 passed between the 53R, the second cross member 55 arranged behind the first cross member 54 and passed between the left and right seat rails 53L, 53R, and the second cross member 55 A third cross member 56 disposed rearward and passed between the rear end portions of the left and right seat rails 53L, 53R and a lower portion of the main frame 51 in the height direction are coupled. The left and right side frames 59L and 59R that extend to both ends of the frame 52 and are connected to the cross frame 52 via the left and right sub stays 58L and 58R, and the left and right seat rails 53L and 53R respectively extend downward. The pillion step stays 61L and 61R are the main components.

Next, a box stay provided in the vehicle body frame and to which a storage box is attached will be described.
The first cross member 54 is provided with left and right front box stays 63L and 63R that support the front portion of the storage box (reference numeral 33 in FIG. 1), and the second cross member 55 supports the rear left side of the storage box 33. A left rear box stay 64L is provided, and a right rear box stay 64R that supports the rear right side of the storage box 33 is provided behind the second cross member 55 by the right seat rails 53L and 53R.

Next, a tank stay to which the fuel tank is attached will be described.
The left seat rails 53L and 53R are provided behind the second cross member 55 with a left front tank stay 65L that supports the left front portion of the fuel tank (FIG. 1, reference numeral 34), and the third cross member 56 has a fuel tank. 34, left and right rear tank stays 66L, 66R for supporting the left and right rear portions are provided.

  The right rear box stay 64R also serves as a stay that supports the right front portion of the fuel tank. Since the right front portion of the fuel tank 34 is supported in addition to the right rear box stay 64R, it can also be called a common stay 68.

As shown in FIG. 4, the storage box 33 is supported by the seat rail 53 </ b> L, and the fuel tank 34 is disposed behind the storage box 33.
The front portion of the storage box 33 is attached to the front box stay 63 attached to the first cross member 54, and the rear portion of the storage box 33 is attached to the box stay 64L after standing on the second cross member 55. It has been. The storage box 33 is fastened to the front and rear box stays by storage box mounting bolts 100. Reference numeral 69 denotes a canister.
Similarly, the fuel tank 34 is attached to tank stays 65 </ b> L and 66 </ b> L attached to the seat rail 53 via a fastening member 99. In the above description, the left side mounting structure of the fuel tank 34 has been described. However, the right side mounting structure of the fuel tank 34 is the same as the left side structure.

As shown in FIG. 5, the storage box 33 is passed between the front wall 71, the left and right walls 72L and 72R extending from the front wall 71 to the rear of the vehicle, and the rear ends of the left and right walls 72L and 72R. The container is surrounded by a rear wall 73 and a bottom plate 74 formed at the bottom of the storage box 33 and has an upper opening 32 (upper opening 32). These front wall 71, left and right walls 72L and 72R, and rear wall 73 and a bottom plate 74 are formed with a helmet storage space 77 in which a helmet 76 can be stored and left and right accessory storage spaces 78L and 78R. That is, the accessory storage space 78 includes left and right accessory storage spaces 78L and 78R, and is formed between the rear portion of the helmet storage space 77 and the rear wall 73, and is a space in which accessories can be stored.
In the embodiment, the helmet 76 is arranged in the helmet storage space 77 so as to face the traveling direction.

  The accessory storage spaces 78L and 78R have one of the left storage portion 81 and the right storage portion 82 (right storage portion 82) as compared to the other (left storage portion 81) with respect to the center C in the vehicle width direction. An overhang portion 83 is provided so as to protrude toward the rear of the vehicle.

Next, the structure of the fuel tank will be described.
As shown in FIG. 6, the fuel tank 34 is formed by abutting the upper and lower plates formed in a convex shape from a flat plate with the convex side arranged outside, and the bottom 86 is in front of the vehicle in a side view of the vehicle. It is arranged so as to incline forward and downward.

  The fuel tank 34 includes a bottom portion 86, a front wall portion 84 extending upward from the bottom portion 86, and left and right wall portions (reference numerals 87L and 87R) extending from the front wall portion 84 to the rear of the vehicle. The rear wall portion 88 passed between the rear end portions of the left and right wall portions 87L and 87R, and the upper end surfaces of the front wall portion 84, the left and right wall portions 87L and 87R, and the rear wall portion 88. And an upper surface portion 89 as an upper plate. Reference numeral 90 denotes a fuel cap.

Returning to FIG. 5, when the fuel tank 34 has the front wall portion 84 as the left front wall portion 84 </ b> L and the right front wall portion 84 </ b> R with respect to the vehicle width direction center C, the left front wall portion of them A bulging portion 85 that bulges 84L to the front of the vehicle from the right front wall portion 84R is provided.
A second cross member 55 extends between the left and right seat rails 53L, 53R. A bulging portion 85 of the fuel tank 34 is disposed above the second cross member 55, and a tension of the storage box 33 is provided. A protruding portion 83 is disposed. The accessory storage space 78R and the bulging portion 85 provided in the overhanging portion 83 each overlap the cross member 55 when the vehicle is viewed from above.

  4 and 6, the bulging portion 85 of the fuel tank 34 is disposed above the rear wheel 14 as a wheel, and the bottom portion 86 of the fuel tank extends along the upper surface of the front portion of the rear wheel 14. The fuel filter 101 as a fuel tank suction port extending from the lower end portion of the fuel pump is provided in a bulging portion 85 of the fuel tank bulged forward of the vehicle.

  That is, the bulging portion 85 of the fuel tank 34 is a portion that is disposed above the rear wheel 14 and constitutes a part of the bottom portion 86 of the fuel tank, and is generally lowered forward along the front upper surface 14 f of the rear wheel 14. And a fuel filter 101 as a fuel pump suction port is provided at the front of the bottom 96.

  When the bottom portion 86 of the fuel tank is compared in the vehicle front-rear direction, the bulging portion 85 is formed on the lower side in the height direction, and the fuel filter 101 is disposed on the bulging portion 85. The remaining amount of fuel can be reduced, and a large capacity in the net fuel tank can be secured.

  In this embodiment, an example in which a fuel pump is provided in the fuel tank has been described. However, in a saddle-ride type vehicle in which a carburetor is employed as a fuel supply device, the fuel tank discharge port 200 is disposed in the bulging portion 85. Has been.

In this embodiment, one of the left storage portion and the right storage portion is a left storage portion and the other is a right storage portion. The left storage part can be used.
Further, in this embodiment, it is most effective when the helmet is arranged so that the front part or the rear part thereof faces the traveling direction, but the helmet front part is arranged so as to face the lateral direction or obliquely. Is fine.

  Referring also to FIG. 5, the fuel hose 92 extending from the fuel pump 91 to the engine 25 is on the left side of the vehicle width direction, which is the side where the fuel pump 91 is disposed, in the vehicle width direction. It is routed along the rear wall 73 of the storage box located.

  The fuel pump 91 is attached to and disposed on the upper surface 85t of the bulging portion 85 of the fuel tank, and the bulging portion 85 includes a left front wall portion 84L and a right front wall portion 84R that constitute the front wall portion 84 of the fuel tank. The other (left front wall portion 84L in this embodiment) is bulged forward of the vehicle. If this bulging portion 85 is used, the fuel pump 91 can be disposed closer to the storage box 33 disposed in front of the fuel tank 34.

  An engine cylinder (FIG. 1, symbol 27) is disposed below the storage box 33, and the fuel hose 92 is connected to the cylinder (FIG. 1, symbol 27) from the fuel pump 91 via the engine throttle valve (FIG. 1, symbol 28). ), The length of the fuel hose 92 can be shortened.

  In addition, since the fuel hose 92 is routed along the rear wall 73 and the left wall 72L of the storage box located on the side where the fuel pump 91 is disposed, the length of the fuel hose 92 is further shortened. be able to.

Next, the structure of the locking claw that is arranged in the accessory storage unit and locks a manual or the like will be described.
As shown in FIG. 7, an overhang portion 83 is formed in the right storage portion 82, and the second cross member 55 is interposed between the bottom plate 74 and the rear wall 73 extending inclined toward the front of the vehicle. A shelf portion 94 extending rearward of the vehicle at a position higher than the bottom plate 74 is provided so as to avoid interference with the storage box 33, and the rear edge portion of the bottom portion is in contact with the front edge portion of the shelf portion 94. A locking claw 95 is extended from the upper side to the upper side. Small items such as an instruction manual M (manual M) are placed on the shelf portion 94, and the small manual M is locked by sandwiching the small items such as the manual M between the locking claw 95 and the rear wall 73. Configured to be possible.

Next, the fuel tank mounting structure mounted on the left seat rail will be described.
As shown in FIG. 8, a U-shaped stay 97 having a U-shaped cross section is fixed to the upper surface of the left seat rail 53 </ b> L, and a left front tank stay 65 </ b> L is attached to the U-shaped stay 97. A fuel tank flange 98 is placed on the upper surface of the fuel tank 34, and the fuel tank 34 is fixed to the vehicle body frame side by a fastening member 99. Thereby, a tank volume part is arrange | positioned above the seat rail 53L, and can ensure many tank capacities. Although the left side mounting structure of the fuel tank 34 has been described, the right side mounting structure of the fuel tank 34 is similar to the left side structure.

Next, the structure of the sheet will be described.
As shown in FIG. 9, the seat 31 includes a bottom plate portion 105, a hinge portion 106 provided at the front end portion of the bottom plate portion 105, a hook portion 107 provided at the rear end portion of the bottom plate portion 105, The seal member 108 provided on the lower surface 105u of the bottom plate portion, the cushion portion 109 provided on the upper surface of the bottom plate portion 105, and the seat portion 111 that covers the cushion portion 109 and seats an occupant are the main components. .

Next, the groove part formed in the lower surface of the bottom plate and fitted with the seal member will be described.
As shown in FIG. 10, a lid 105u that covers the opening of the storage box is formed on the lower surface of the bottom plate 105, and a seal member (FIG. 9, reference numeral 108) can be fitted over the entire circumference of the lid 105u. A groove 112 is formed. The groove 112 is formed at a position corresponding to a seal surface (reference numeral 113 in FIG. 11) provided on the upper portion of the storage box described later.

Next, the structure of the storage box will be described.
As shown in FIG. 11, a seal surface 113 that allows the seal member 108 to come into contact with the entire circumference of the upper opening 32 of the storage box 33 is provided, and the seal surface 113 is centered in the vehicle width direction. A rear extension 116 is provided in which the upper surface 115 of the opening extends rearward of the vehicle so as to be symmetrical with respect to the line C.

  As shown in FIG. 12, the seat 31 is closed by the seal member 108 fitted to the bottom plate portion 105 of the sheet 31 coming into contact with the seal surface 113 provided in the storage box 33. Sometimes, the airtightness between the inside and outside of the storage box 33 can be enhanced.

  Referring also to FIG. 10, since the rear extension 116 is provided with the upper surface 115 of the opening extending rearward of the vehicle, the grooves 112 provided in the lid 105u as the lower surface of the seat are symmetrical in the vehicle width direction. By fitting the seal member 108 into the groove 112, the passenger's load is transmitted to the seal surface 113 through the seal member 108 with a good left-right balance. Therefore, the sitting comfort can be enhanced, and the right and left rigidity balance of the seat 31 can be easily obtained.

As shown in FIG. 13, the fuel tank 34 is provided with a fuel pump 91, and this fuel pump 91 is provided on the upper surface 118 of the bulging portion.
The rear extension 116 extends to the fuel pump 91, and a fuel hose 92 is disposed between the rear extension 116 and the fuel tank 34.
The rear extension 116 extends to the fuel pump 91 and the fuel hose 92 is disposed between the rear extension 116 and the fuel tank 34, so that the rear extension extends above the fuel hose 92. The fuel hose 92 can be protected.

The operation of the saddle-ride type vehicle described above will be described next.
Returning to FIG. 5, the right side as one of the left and right sides of the accessory storage space 78 formed at the rear end of the storage box protrudes to the rear of the vehicle from the left side as the other side by the rear extension 83. The left front wall portion 84L formed at the front end portion 34 and located on the left side of the storage box is bulged forward of the vehicle by the bulging portion 85 from the right side. That is, the right side of the rear end of the storage box 33 projects to the vehicle rear side with respect to the center in the vehicle width direction, and the left side of the fuel tank 34 bulges to the front of the vehicle with respect to the center in the vehicle width direction. .

  Conventionally, the storage box is formed symmetrically with respect to the center line in the vehicle width direction. In this case, the accessory storage space located behind the helmet storage space is symmetrical, but each has only a limited volume of space.

  In this respect, in the present invention, the right side which is one of the left and right sides is projected rearward at the rear end portion of the storage box 33, and the left side which is the left and right other side is bulged forward at the front end portion of the fuel tank 34. Compared to the case in which the accessory storage spaces 78L and 78R positioned behind the helmet storage space 77 are formed symmetrically, a large volume can be secured in the right accessory storage space 78R as one accessory storage space. If the right accessory storage space 78R has a large volume, a large accessory can be stored in the right accessory storage space 78R.

In addition, the capacity of the storage box 33 is compensated for by a bulging portion 85 that is provided on the left side of the fuel tank 34 and bulges forward of the vehicle by increasing the right accessory storage space 78R. Is sufficiently secured, and the capacity of the fuel tank 34 is sufficiently secured. Therefore, the limited space of the saddle-ride type vehicle can be used effectively without causing waste.
In this embodiment, one side is the right side and the other side is the left side, but one side is the left side and the other side is the right side.

  Since the bulging portion 85 is bulged forward of the vehicle in a plan view of the vehicle, the area of the upper surface of the fuel tank 34 can be increased accordingly. Since the fuel pump 91 can be attached using the portion corresponding to the bulging portion 85 on the upper surface of the fuel tank 34, the fuel pump 91 can be easily made as compared with the case where the bulging portion is not provided in the fuel tank. Can be installed on.

  Further, a fuel pump 91 is attached to the upper surface 118 of the bulging portion 85 provided in the fuel tank 34, and is connected to a float 125 that detects the remaining amount of fuel in the fuel tank and swings with the fuel pump 91 together with the float 125. The float support arm 126 that is freely provided extends from the fuel pump 91 to the right side in the vehicle width direction. Here, since the bottom portion 86f constituting the lower portion of the bulging portion 85 of the fuel tank is formed at a position lower than the bottom portion 86g behind the fuel tank 34, the float support arm 126 extends in the longitudinal direction of the vehicle. Compared with the case where it is done, the remaining amount of fuel in the tank can be detected more accurately and with high sensitivity.

Although the present invention is applied to a motorcycle in the embodiment, it can also be applied to a so-called saddle-ride type tricycle (three-wheel buggy) and can be applied to a general vehicle.
In claim 1, the fuel tank may not be arranged above the wheel, and may be arranged in front of or behind the wheel.
In claim 2, the fuel pump may be provided at a front portion, a center portion, or a rear portion of the fuel tank in a plan view other than the bulging portion of the fuel tank, for example.
In claim 3, the fuel hose route extending from the fuel pump to the engine may not be routed along the rear wall of the storage box located on the side where the fuel pump is located. good.

  The present invention is suitable for a saddle-ride type vehicle in which a storage box and a fuel tank are arranged below and behind a seat on which a driver sits.

  DESCRIPTION OF SYMBOLS 10 ... saddle-ride type vehicle (motorcycle), 14 ... wheel (rear wheel), 14f ... front upper surface of rear wheel, 25 ... engine, 27 ... engine cylinder, 31 ... seat, 32 ... upper opening, 33 ... storage Box 34, Fuel tank 71 71 Front wall 72 L Left wall 72 R Right wall 73 Rear wall 76 Helmet 77 Helmet storage space 78 Small storage space 78 L Left storage space 78 ... Right accessory storage space 81 ... Left storage portion 82 ... Right storage portion 84 ... Front wall portion 84L ... Left front wall portion 84 ... Right front wall portion 85 ... Fuel tank bulge , 86 ... Bottom of the fuel tank, 92 ... Fuel hose, 91 ... Fuel pump, 101 ... Fuel tank suction port (fuel filter), 108 ... Seal member, 112 ... Groove, 113 ... Seal surface, 116 ... Rear extension Part, 200 ... discharge port of fuel tank

Claims (4)

It arranged a sheet (31) which the driver is seated, and the sheet (31) the storage box (33) which top opening is arranged below is opened and closed by the seat (31) of the rear of the storage box (33) a fuel tank (34) to be, is provided, wherein the storage box (33) includes a front wall (71) and the front wall lateral wall is extended from (71) to the rear of the vehicle (72L, 72R) and the left and right thereof A rear wall (73) passed between the rear ends of the walls (72L, 72R) , and a helmet storage space (77) capable of storing a helmet is formed. The helmet storage space (77) and the rear In the saddle-ride type vehicle in which the accessory storage space (78) is formed between the walls (73) ,
The accessory storage space (78) projects one of the left storage portion (81) and the right storage portion (82) to the rear of the vehicle with respect to the vehicle width direction center,
When the fuel tank (34) has the front wall portion (84) as the left front wall portion (84L) and the right front wall portion (84R) with respect to the vehicle width direction center, these left front wall portions (84L) and the other of the right front wall portion (84R) are bulged forward of the vehicle rather than the one ,
Includes an engine (25) before SL saddle-type vehicle,
A cylinder (27) of the engine (25 ) is disposed below the storage box (33) ,
The discharge port or suction port of the fuel tank (34) is provided in the bulging portion of the fuel tank swelled to the front of the vehicle (34) (85),
A fuel hose (92) is extended from the fuel tank (34) to the engine (25) . The fuel hose (92) is arranged in the vehicle width direction, and a bulging portion (85) of the fuel tank (34 ) is arranged. the storage box (33) saddle type vehicle characterized in that after along the wall (73) is routed in that is located on the side that is. A seat (31) on which the driver is seated, a storage box (33) disposed below the seat (31) and having an upper opening opened and closed by the seat (31), and disposed behind the storage box (33) The storage box (33) includes a front wall (71), left and right walls (72L, 72R) extending from the front wall (71) to the rear of the vehicle, and left and right A rear wall (73) passed between the rear ends of the walls (72L, 72R), and a helmet storage space (77) capable of storing a helmet is formed. The helmet storage space (77) and the rear In the saddle-ride type vehicle in which the accessory storage space (78) is formed between the walls (73),
  The accessory storage space (78) projects one of the left storage portion (81) and the right storage portion (82) to the rear of the vehicle with respect to the vehicle width direction center,
  When the fuel tank (34) has the front wall portion (84) as the left front wall portion (84L) and the right front wall portion (84R) with respect to the vehicle width direction center, these left front wall portions (84L) and the other of the right front wall portion (84R) are bulged forward of the vehicle rather than the one,
A groove (112) is formed on the entire lower surface of the sheet (31), and a seal member (108) is fitted into the groove (112).
  The upper opening (32) of the storage box (33) is provided with a seal surface (113) with which the seal member (108) abuts, and the seal surface (113) is symmetrical with respect to the center line in the vehicle width direction. A rear extension (116) extending from the upper opening (32) to the rear of the vehicle is provided for the purpose,
The rear extension (116) extends to the fuel pump (91), and a fuel hose (92) is disposed between the rear extension (116) and the fuel tank (34). A saddle-ride type vehicle characterized by The fuel tank (34) is disposed above the wheel (14), the bottom of the fuel tank (34) (86), along the front upper surface (14f) of said wheel (14) substantially forwardly downwardly claim 1 or claim 2 saddle-ride type vehicle wherein it is shaped. The bulge portion of the fuel tank (34) to (85), a saddle-ride type vehicle of the fuel pump (91), characterized in that is provided according to claim 1 or claim 2 Symbol placing both.

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