WO2022209141A1 - 鞍乗り型車両 - Google Patents

鞍乗り型車両 Download PDF

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Publication number
WO2022209141A1
WO2022209141A1 PCT/JP2022/001123 JP2022001123W WO2022209141A1 WO 2022209141 A1 WO2022209141 A1 WO 2022209141A1 JP 2022001123 W JP2022001123 W JP 2022001123W WO 2022209141 A1 WO2022209141 A1 WO 2022209141A1
Authority
WO
WIPO (PCT)
Prior art keywords
cover
opening
air cleaner
fuel tank
type vehicle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2022/001123
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
良行 佐藤
康平 山本
寛 竹中
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Honda Motor Co Ltd
Original Assignee
Honda Motor Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Honda Motor Co Ltd filed Critical Honda Motor Co Ltd
Priority to JP2023510299A priority Critical patent/JP7458553B2/ja
Publication of WO2022209141A1 publication Critical patent/WO2022209141A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J23/00—Other protectors specially adapted for cycles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J35/00—Fuel tanks specially adapted for motorcycles or engine-assisted cycles; Arrangements thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J40/00—Arrangements of air cleaners specially adapted for cycles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J43/00—Arrangements of batteries
    • B62J43/30—Arrangements of batteries for providing power to equipment other than for propulsion

Definitions

  • the present invention relates to a saddle-ride type vehicle.
  • Patent Document 1 Conventionally, there has been known a saddle-ride type vehicle in which an opening provided on the upper surface of a vehicle body frame is covered from above with a seat for a passenger (see Patent Document 1, for example).
  • the fuel tank and the battery are arranged below the opening, and the fuel tank and the battery can be accessed through the opening when the seat is removed.
  • a cover that covers the battery from above is provided below the seat.
  • an air cleaner for purifying intake air is provided in the conventional saddle type vehicle. Since the air cleaner is a relatively frequently maintained component, it is desirable that it be easily accessible.
  • fuel may spill out when refueling the filler port of the fuel tank, and it is desired to protect the parts located near the fuel tank from the fuel.
  • the present invention has been made in view of the above-mentioned circumstances, and provides a saddle type vehicle in which an air cleaner can be easily accessed and parts located near the fuel tank can be protected from spilled fuel. intended to
  • a saddle-ride type vehicle includes a vehicle body frame having an opening in its upper surface, an occupant seat covering the opening from above, a fuel tank, and an air cleaner for purifying intake air, wherein the fuel tank and The air cleaner has a portion positioned below the opening and inside the opening when viewed from above, and a cover covering the opening from the front end to the rear end thereof is provided below the seat.
  • the cover has a cover opening for exposing upward a filler opening provided on the upper surface of the fuel tank.
  • an intake port may be provided for sucking outside air supplied to the air cleaner, and the cover may cover the intake port from above.
  • the cover may include a first cover that covers the air cleaner from above, and a second cover that is separate from the first cover.
  • the first cover may extend to the same position in the longitudinal direction of the vehicle as the rear end of the box-shaped air cleaner, or to a position behind the rear end.
  • the air cleaner includes a box-shaped air cleaner case, a filter arranged in the air cleaner case, and a lid member covering the filter from above, and the first cover includes: It may extend to the same position in the longitudinal direction of the vehicle as the rear end of the lid member, or to a position rearward of the rear end of the lid member.
  • the second cover may cover the fuel tank from above, and the cover opening may be provided in the second cover.
  • the second cover includes an enclosing portion surrounding the fuel filler port around the cover opening, and the enclosing portion is positioned lower than the first cover. At the connecting portion where the first cover and the second cover are connected in front of the portion, the first cover may protrude upward with respect to the second cover.
  • the battery may be arranged below the opening, the battery may include a portion positioned inside the opening in top view, and the cover may cover the battery from above.
  • a saddle-ride type vehicle includes a body frame having an opening on the top surface, a passenger seat covering the opening from above, a fuel tank, and an air cleaner for purifying intake air.
  • the fuel tank and the air cleaner are located below the opening.
  • a cover that covers the opening from the front end to the rear end is provided below the seat and has a portion positioned inside the opening when viewed from above, and the cover is provided on the upper surface of the fuel tank. It has a cover opening that exposes the fuel filler port upward. According to this configuration, when the cover is removed, the air cleaner is exposed upward through the opening in the upper surface of the vehicle body frame, so that the air cleaner can be easily accessed through the opening. Since the cover covers the opening from the front end to the rear end, even if fuel spills when refueling the filler port, parts such as the air cleaner located near the fuel tank will be protected from spilled fuel. can protect from
  • an intake port may be provided for sucking outside air to be supplied to the air cleaner, and the cover may cover the intake port from above.
  • the space in which the outside air flowing to the intake port is accumulated can be defined by the cover. Therefore, outside air can be stably supplied to the intake port.
  • the cover may include a first cover that covers the air cleaner from above, and a second cover that is separate from the first cover. According to this configuration, when the first cover is removed, the air cleaner is exposed upward through the opening, so that the air cleaner can be easily accessed.
  • the first cover may extend to the same position in the vehicle front-rear direction as the rear end of the box-shaped air cleaner, or to a position behind the rear end. According to this configuration, when the first cover is removed, the rear end of the air cleaner is exposed upward through the opening, so that the air cleaner can be easily accessed.
  • the air cleaner includes a box-shaped air cleaner case, a filter arranged in the air cleaner case, and a lid member covering the filter from above, and the first cover is provided behind the lid member. It may extend to the same position as the end in the longitudinal direction of the vehicle, or to a position behind the rear end of the lid member. According to this configuration, when the first cover is removed, the lid member is exposed upward from the opening, so that the lid member can be easily removed. Therefore, the filter can be easily maintained.
  • the second cover may cover the fuel tank from above, and the cover opening may be provided in the second cover. According to this configuration, the fuel tank is exposed upward from the opening by removing the second cover, so that the fuel tank can be easily accessed.
  • the second cover includes an enclosing portion surrounding the cover opening, the enclosing portion being positioned lower than the first cover and forward of the enclosing portion. At the connecting portion where the first cover and the second cover are connected, the first cover may protrude upward with respect to the second cover. According to this configuration, since the enclosing portion is positioned lower than the first cover, the fuel received by the enclosing portion is suppressed from flowing toward the first cover. Further, the fuel can be blocked by the first cover projecting upward from the second cover at the connecting portion. Therefore, the air cleaner can be protected from spilled fuel.
  • the battery may be arranged below the opening, the battery may include a portion located inside the opening in a top view, and the cover may cover the battery from above. According to this configuration, the battery can be protected by the cover. In addition, when the cover is removed, the battery is exposed upward through the opening, allowing easy access to the battery.
  • FIG. 1 is a left side view of a motorcycle according to an embodiment of the invention.
  • FIG. 2 is a left side view of the vehicle body frame.
  • FIG. 3 is a plan view of the vehicle body frame viewed from above.
  • FIG. 4 is a perspective view of the vehicle body frame viewed from the lower left side.
  • FIG. 5 is a cross-sectional view of the motorcycle cut at the center in the vehicle width direction.
  • FIG. 6 is a left side view of the air cleaner.
  • FIG. 7 is a side view showing the arrangement of parts inside the rear internal space.
  • FIG. 8 is a top plan view of the rear portion of the motorcycle with the seat opened.
  • FIG. 9 is a plan view of FIG. 8 with the cover removed, viewed from above.
  • FIG. 10 is a plan view of the cover viewed from above.
  • 11 is a cross-sectional view taken along line XI-XI of FIG. 5.
  • FIG. 5 is a cross-sectional view taken along line XI-X
  • FR indicates the front of the vehicle body
  • UP indicates the upper side of the vehicle body
  • LH indicates the left side of the vehicle body.
  • FIG. 1 is a left side view of a motorcycle 1 according to an embodiment of the invention.
  • the motorcycle 1 includes a body frame 10, an engine 11 supported by the body frame 10, a front fork 12 supporting a front wheel 2 in a steerable manner, a swing arm 13 supporting a rear wheel 3, and a seat 14 for an occupant. and a vehicle.
  • the motorcycle 1 is a saddle-riding type vehicle in which a rider straddles a seat 14 and sits thereon.
  • the seat 14 is provided above the rear portion of the vehicle body frame 10 .
  • FIG. 1 and 2 is a left side view of the body frame 10.
  • the body frame 10 includes a head pipe 15 provided at the front end of the body frame 10, a main frame 16 extending rearward from the head pipe 15 to the rear portion of the motorcycle 1, and a main frame 16. a pivot frame 17 extending downwardly from the rear of the .
  • the main frame 16 includes a hollow main tube 18 extending rearward from the head pipe 15 and a seat frame portion 19 extending rearward from the rear end of the main tube 18 .
  • the seat frame portion 19 has a vertical length greater than that of the main tube 18 and bulges downward with respect to the main tube 18 .
  • the pivot frame 17 extends downward from the lower end of the seat frame portion 19 .
  • the seat 14 is supported by the seat frame portion 19 .
  • the seat 14 covers the upper surface of the seat frame portion 19 from above.
  • the front fork 12 is supported so as to be steerable left and right via a steering shaft (not shown) inserted through the head pipe 15 .
  • the front wheel 2 is supported by an axle 2 a provided at the lower end of the front fork 12 .
  • a steering handle 21 is attached to the upper end of the front fork 12 .
  • the swing arm 13 is supported by a pivot shaft 22 supported by the pivot frame 17 .
  • the pivot shaft 22 is a shaft extending horizontally in the vehicle width direction (horizontal direction).
  • a pivot shaft 22 is inserted through the front end of the swing arm 13 .
  • the swing arm 13 swings up and down around the pivot shaft 22 .
  • the rear wheel 3 is supported by an axle 3 a provided at the rear end of the swing arm 13 .
  • a pair of left and right reactions 23 are spanned between the rear portion of the swing arm 13 and the rear portion of the seat frame portion 19 .
  • the engine 11 is arranged below the main frame 16 behind the front wheels 2 and in front of the pivot frame 17 .
  • the engine 11 is an internal combustion engine that includes a crankcase 31 that houses a crankshaft 30 that extends in the vehicle width direction, and a cylinder portion 32 that extends forward from the front surface of the crankcase 31 .
  • the engine 11 is a horizontal engine in which the axis 32a of the cylinder portion 32 extends substantially horizontally in the vehicle front-rear direction when viewed from the side of the vehicle.
  • a piston (not shown) connected to the crankshaft 30 reciprocates back and forth within the cylinder portion 32 along an axis 32a.
  • a transmission (not shown) that decelerates and outputs the rotation of the crankshaft 30 is housed in the rear portion of the crankcase 31 .
  • the output shaft of this transmission and the rear wheels 3 are connected by a drive chain 33 .
  • An exhaust pipe 35 of the engine 11 extends rearward from an exhaust port provided on the lower surface of the cylinder portion 32 .
  • a muffler 36 is connected to the rear end of the exhaust pipe 35 .
  • An intake device 37 that supplies intake air to the engine 11 includes an air cleaner 38 , a throttle device 39 connected to the cylinder portion 32 , and a connecting tube 40 that connects the air cleaner 38 and the throttle device 39 .
  • a fuel tank 41 is arranged below the air cleaner 38 .
  • a battery 42 that supplies electric power to each part of the motorcycle 1 is supported by the air cleaner 38 .
  • a step 43 on which an occupant puts his/her foot is supported by the pivot frame 17 via a step holder 44 .
  • a storage box 45 capable of storing parts and articles is attached to the outer surface of the seat frame portion 19 .
  • the headlight 46 is arranged in front of the head pipe 15 .
  • the front fender 47 is attached to the front fork 12 .
  • a rear fender 48 that covers the rear wheel 3 from above is attached to the seat frame portion 19 .
  • FIG. 3 is a plan view of the vehicle body frame 10 viewed from above.
  • FIG. 4 is a perspective view of the vehicle body frame 10 viewed from the lower left side. 2 to 4, the main frame 16 is formed into a hollow case shape by joining a plurality of plate members (divided bodies) by welding.
  • the main frame 16 includes a left member 51 forming the left side surface of the main frame 16 and a right member 52 forming the right side surface of the main frame 16 .
  • the left member 51 and the right member 52 are plate members extending in the vertical direction and the front-rear direction, and are arranged with the plate thickness direction directed in the vehicle width direction when viewed as a whole.
  • the left member 51 and the right member 52 are plate members longer in the front-rear direction than in the up-down direction, and constitute the main tube 18 and the seat frame portion 19 .
  • the left member 51 and the right member 52 are provided substantially symmetrically.
  • the main frame 16 also includes a lower member 53 forming the lower surface of the main frame 16 and a rear member 54 forming the rear surface of the main frame 16 .
  • the lower member 53 is a plate member arranged with its plate thickness direction oriented in the vertical direction.
  • the lower member 53 includes a first lower member 55 forming the lower surface of the main tube 18 of the main frame 16 and a second lower member 55 forming the lower surface of the seat frame portion 19 of the main frame 16 . and a side member 56 .
  • the main tube 18 of the main frame 16 joins the upper portion of the left member 51 and the upper portion of the right member 52 to each other, and the lower portion of the left member 51 and the lower portion of the right member 52 are connected by a first lower member 55 in the vehicle width direction. By connecting to , it is formed in a tube shape extending back and forth. The front end opening of the main tube 18 is closed by the rear surface of the head pipe 15 .
  • the seat frame portion 19 of the main frame 16 connects the lower edge portion of the rear portion of the left member 51 and the lower edge portion of the rear portion of the right member 52 with a second lower member 56 in the vehicle width direction.
  • a hollow case shape is formed by connecting the rear end portion and the rear end portion of the right side member 52 with the rear side member 54 in the vehicle width direction.
  • the lower edge portion of the rear portion of the left member 51, the lower edge portion of the rear portion of the right member 52, and the second lower member 56 are inclined rearwardly upward.
  • the opening 57 is provided with an opening 57 that opens upward.
  • the opening 57 extends longer in the vehicle front-rear direction than in the vehicle width direction in plan view.
  • the opening 57 is provided by cutting the upper portion of the left member 51 and the upper portion of the right member 52 .
  • a rear internal space 58 surrounded by the left member 51, the right member 52, the second lower member 56, and the rear member 54 is formed inside the seat frame portion 19, a rear internal space 58 surrounded by the left member 51, the right member 52, the second lower member 56, and the rear member 54 is formed.
  • the rear internal space 58 is exposed upward from the opening 57 .
  • the left member 51 and the right member 52 are side walls that define the rear internal space 58 in the vehicle width direction.
  • the second lower member 56 is a lower wall that covers the rear internal space 58 from below.
  • the rear member 54 is a plate member integrally including a rear wall portion 54a that forms the rear surface of the seat frame portion 19 and an upper wall portion 54b that forms the upper surface of the rear end portion of the seat frame portion 19. As shown in FIG.
  • the rear wall portion 54a connects the rear edge portion of the left member 51 and the rear edge portion of the right member 52 in the vehicle width direction.
  • the upper wall portion 54b connects the upper edge of the rear end portion of the left member 51 and the upper edge of the rear end portion of the right member 52 in the vehicle width direction.
  • the opening 57 is positioned in front of the upper wall portion 54b.
  • a rear end portion 19a of the seat frame portion 19 is formed in a bag shape with a closed rear surface of the rear end portion 19a.
  • the rear end portion 19 a is located behind the opening 57 .
  • the rear end portion 19 a also serves as the rear end portion of the vehicle body frame 10 .
  • the rear end portion 19 a is composed of the rear end portion of the left member 51 , the rear end portion of the right member 52 , the rear end portion of the second lower member 56 and the rear member 54 .
  • An engine hanger portion 60 extending downward from the rear end portion of the main tube 18 is provided at the front end portion of the seat frame portion 19 .
  • the engine hanger portion 60 is provided at a lower front end portion of the left member 51 and a lower front end portion of the right member 52, respectively.
  • An upper portion of the crankcase 31 ( FIG. 1 ) is fastened to the engine hanger portion 60 .
  • the first lower member 55 integrally includes a lower wall portion 61 forming the lower surface portion of the main tube 18 and a front wall portion 62 extending downward from the rear end of the lower wall portion 61 .
  • the front wall portion 62 is a wall portion facing the vehicle front side, and connects the front edges of the left and right engine hanger portions 60 to each other in the vehicle width direction.
  • the front wall portion 62 is provided with an outside air intake port 63 that penetrates the front wall portion 62 in the vehicle front-rear direction.
  • the outside air intake port 63 is an opening provided by cutting the front wall portion 62 upward from the lower edge of the front wall portion 62 .
  • the outside air intake 63 opens toward the front of the vehicle.
  • a portion of the lower surface of the seat frame portion 19 between the front wall portion 62 and the second lower member 56 in the longitudinal direction of the vehicle is an open portion 64 that opens downward.
  • the open portion 64 exposes the rear internal space 58 downward.
  • the pivot frame 17 is positioned forward of the second lower member 56 .
  • the pivot frame 17 includes a pair of left and right side wall portions 17a and a wall portion 17b connecting rear edges of the side wall portions 17a in the vehicle width direction.
  • An upper edge 17d of the left side wall portion 17a of the pivot frame 17 is joined to a lower edge of a left side member 51 of the seat frame portion 19, and an upper edge of the right side wall portion 17a is joined to a right side member 52 of the seat frame portion 19.
  • the wall portion 17b is inclined rearwardly upward as viewed from the side of the vehicle.
  • a second lower member 56 forming the lower surface of the seat frame portion 19 extends rearwardly upward continuously from the upper end of the wall portion 17b.
  • the wall portion 17b covers the rear portion of the open portion 64 from below.
  • the upper and lower portions of the rear portion of the crankcase 31 (FIG. 1) are fastened to the front edge portions of the left and right side wall portions 17a.
  • FIG. 5 is a cross-sectional view of the motorcycle 1 cut at the center in the vehicle width direction. 1 and 5, the air cleaner 38, the fuel tank 41, and the battery 42 are housed in a rear internal space 58 inside the seat frame portion 19 and positioned below the opening 57. As shown in FIG. A connecting tube 40 extending forward from the air cleaner 38 extends forward from the rear internal space 58 through the outside air intake port 63 and is connected to the throttle device 39 .
  • the seat 14 is provided so as to be rotatable (openable and closable) up and down around a hinge (not shown) at the front end of the seat 14 .
  • the fuel tank 41 is a hollow container elongated in the longitudinal direction of the vehicle.
  • the fuel tank 41 is arranged in the rear internal space 58 above the pivot frame 17 , behind the outside air intake 63 and in front of the rear member 54 .
  • the fuel tank 41 is supported by the seat frame portion 19 .
  • the fuel tank 41 is disposed rearwardly upward of the crankcase 31 of the engine 11 in a rearwardly raised posture as viewed from the side of the vehicle. Therefore, the front end portion 41a of the fuel tank 41 is positioned below the rear end portion 41b of the fuel tank 41 when viewed from the side of the vehicle.
  • the fuel in the fuel tank 41 decreases, the fuel in the fuel tank 41 gathers on the side of the front end portion 41a which is closer to the engine 11 and located at a lower position. Therefore, the mass of the motorcycle 1 can be concentrated, and the center of gravity of the motorcycle can be lowered.
  • the fuel tank 41 is disposed in the rear internal space 58 so that the lower surface of the fuel tank 41 is arranged along the second lower member 56 while being inclined rearwardly upward.
  • the second lower member 56 covers the rear wheel 3 from above.
  • the second lower member 56 is inclined rearwardly upward along the upper surface of the front portion of the rear wheel 3 .
  • the upper surface portion 41c of the fuel tank 41 is inclined rearwardly upward as viewed from the side of the vehicle.
  • a fuel filler port 41d is provided at the rear portion of the upper surface portion 41c.
  • the fuel filler port 41d is a tubular portion protruding upward from the upper surface portion 41c.
  • An upper end opening of the fuel filler port 41d is closed with a cap 41e.
  • a fuel pump 41f is attached to the front portion of the upper surface portion 41c. The fuel pump 41f supplies the fuel in the fuel tank 41 to the cylinder portion 32 through a fuel hose (not shown).
  • FIG. 6 is a left side view of the air cleaner 38.
  • FIG. 7 is a side view showing the arrangement of parts inside the rear internal space 58.
  • FIG. 7 shows a cross section of a part of the seat frame portion 19.
  • the air cleaner 38 includes a box-shaped air cleaner case 70, a filter 71 housed in the air cleaner case 70, and a lid member 72 attached to the upper surface of the air cleaner case 70.
  • the intake device 37 also includes an intake duct 73 extending rearward from the air cleaner 38 .
  • the air cleaner 38 is arranged adjacent to the fuel tank 41 and above the front of the fuel tank 41 .
  • the air cleaner 38 is arranged in a rear-up posture as viewed from the side of the vehicle. Therefore, the front end portion 38a of the air cleaner 38 is located below the rear end portion 38b of the air cleaner 38 when viewed from the side of the vehicle.
  • the air cleaner 38 is arranged in a rearwardly raised posture so that the lower surface portion 38c of the air cleaner 38 is aligned with the upper surface portion 41c of the fuel tank 41 when viewed from the side of the vehicle.
  • the air cleaner case 70 has a box shape arranged rearwardly upward when viewed from the side of the vehicle.
  • a case opening 70 a that opens upward is provided at the rear portion of the upper surface of the air cleaner case 70 .
  • the lid member 72 has a box shape in which substantially the entire lower surface of the lid member 72 is open.
  • the lid member 72 is attached to the rear portion of the upper surface of the air cleaner case 70 to cover the case opening 70a.
  • the filter 71 is plate-shaped and purifies the outside air passing through the filter 71 .
  • the filter 71 is sandwiched between the lower edge of the lid member 72 and the peripheral edge of the case opening 70a to block the case opening 70a.
  • the lid member 72 covers the filter 71 from above.
  • the air intake duct 73 has a tubular shape extending in the longitudinal direction of the vehicle.
  • the intake duct 73 extends rearward from the rear surface portion 72 a of the lid member 72 .
  • An opening at the rear end of the intake duct 73 is an intake port 73a for sucking outside air.
  • the interior of the air cleaner 38 is divided into a dirty side 38 d on the upstream side of the filter 71 and a clean side 38 e on the downstream side of the filter 71 .
  • a dirty side 38 d is a space within the lid member 72 above the filter 71 .
  • the intake duct 73 communicates with the dirty side 38d.
  • the clean side 38 e is a space within the air cleaner case 70 below the filter 71 .
  • the connecting tube 40 extends forward from the lower front surface of the air cleaner case 70 and is connected to the throttle device 39 (FIG. 5). Outside air is sucked into the intake duct 73 from the intake port 73a and flows into the dirty side 38d. Intake air (outside air) on the dirty side 38 d passes through the filter 71 to be purified, then flows to the clean side 38 e and flows through the connecting tube 40 to the throttle device 39 .
  • a battery housing portion 74 for housing the battery 42 is provided on the upper surface portion of the front portion of the air cleaner 38 .
  • the battery housing portion 74 is a concave portion in which the upper surface portion of the front portion of the air cleaner 38 is recessed downward with respect to the upper surface portion of the rear portion of the air cleaner 38 .
  • the top surface of the rear portion of the air cleaner 38 is the top surface portion of the lid member 72
  • the top surface portion of the front portion of the air cleaner 38 is the top surface portion of the air cleaner case 70 .
  • a box-shaped battery 42 is attached to the battery compartment 74 .
  • the battery 42 is arranged forwardly and upwardly with respect to the fuel tank 41 and the air cleaner 38 when viewed from the side of the vehicle.
  • the air cleaner 38 is sandwiched between the battery 42 and the fuel tank 41 as viewed from the side of the vehicle.
  • FIG. 8 is a top plan view of the rear portion of the motorcycle 1 with the seat 14 opened. 7 and 8, the motorcycle 1 includes a cover 80 that covers the opening 57 on the upper surface of the seat frame portion 19. As shown in FIG.
  • FIG. 9 is a top plan view of FIG. 8 with the cover 80 removed.
  • FIG. 10 is a plan view of the cover 80 viewed from above.
  • the opening 57 extends from the front end portion of the upper surface of the seat frame portion 19 to the rear portion and is elongated in the vehicle front-rear direction.
  • the cover 80 has a plate-like shape arranged with its plate thickness direction oriented in the vertical direction.
  • the cover 80 is formed along the peripheral edge portion 57c of the opening 57 and covers substantially the entire opening 57. As shown in FIG.
  • the peripheral portion 57c has a rectangular shape elongated in the front-rear direction.
  • the cover 80 continuously covers from the front end portion 57 a of the opening 57 to the rear end portion 57 b of the opening 57 . Also, the cover 80 continuously covers the opening 57 from the left edge to the right edge.
  • the left edge 80a of the cover 80 covers the peripheral edge 57c of the opening 57 from above.
  • the right edge 80b of the cover 80 covers the peripheral edge 57c of the opening 57 from above.
  • the cover 80 is arranged below the seat 14 and extends in the vehicle front-rear direction along the bottom surface of the seat 14 . When the seat 14 is closed, the cover 80 is covered with the seat 14 from above.
  • the cover 80 covers the components arranged in the rear internal space 58 from above.
  • the cover 80 covers the battery 42, the air cleaner 38, and the fuel tank 41 from above.
  • the cover 80 includes a first cover 81 that covers the air cleaner 38 from above, and a second cover 82 that covers the fuel tank 41 from above behind the first cover 81 .
  • the second cover 82 is provided separately from the first cover 81 .
  • the battery 42, the air cleaner 38, and the fuel tank 41 are positioned inside the opening 57 when viewed from above, and are exposed upward from the opening 57 when the cover 80 is removed.
  • the first cover 81 is arranged in front of the opening 57 and covers the rear of the battery 42 and the air cleaner 38 from above.
  • the first cover 81 extends from the front end portion 57 a of the opening 57 to the front and rear intermediate portions of the opening 57 .
  • the rear edge 81a of the first cover 81 extends rearward beyond the rear end 38f of the air cleaner 38 when viewed from above.
  • the rear edge 81 a of the first cover 81 is located forward of the air intake port 73 a at the rear end of the air intake duct 73 .
  • the trailing edge 81a has a straight shape extending in the left-right direction, and is illustrated by an imaginary line in FIG.
  • the rear end 38 f of the air cleaner 38 is the rear end 72 b of the lid member 72 .
  • the lid member 72 is fastened to the air cleaner case 70 by fasteners 72c provided at the four corners of the lid member 72 in plan view in FIG.
  • the fastener 72c is, for example, a bolt.
  • a rear edge 81a of the first cover 81 is located rearward of each fastener 72c.
  • the second cover 82 is arranged behind the opening 57 and covers the fuel tank 41 from above.
  • the second cover 82 extends from the front and rear intermediate portions of the opening 57 to the rear end portion 57b of the opening 57 .
  • the rear edge 81a of the first cover 81 overlaps the front edge 82a of the second cover 82 from above.
  • the leading edge 82a is covered from above by the trailing edge 81a.
  • the second cover 82 is fastened to the first cover 81 by a cover fastener 83 that is inserted through the rear end of the first cover 81 from above.
  • a pair of cover fasteners 83 are provided at the left and right ends of the rear end of the first cover 81 .
  • the cover fastener 83 is, for example, a bolt.
  • FIG. 11 is a cross-sectional view taken along line XI-XI of FIG. 5.
  • FIG. The second cover 82 has a cover opening 82b that vertically penetrates the second cover 82 .
  • the cover opening 82b is provided at the center in the vehicle width direction.
  • a filler port 41d of the fuel tank 41 protrudes upward from the second cover 82 through the cover opening 82b.
  • the second cover 82 receives fuel spilled during refueling to the refueling port 41d.
  • the cover opening 82b contacts the outer periphery of the fuel filler port 41d via an annular seal member 84 attached to the inner periphery of the cover opening 82b.
  • the second cover 82 includes an enclosing portion 85 that surrounds the fuel filler port 41d.
  • the enclosing portion 85 is a downward recessed portion of the second cover 82 .
  • the surrounding portion 85 includes a cylindrical peripheral wall portion 85a surrounding the fuel filler port 41d from its periphery, and a bottom wall portion 85b extending radially inward from the lower end of the peripheral wall portion 85a.
  • the cover opening 82b is a hole provided in the bottom wall portion 85b. Fuel spilled during refueling flows into the enclosing portion 85 around the refueling port 41 d and is received by the enclosing portion 85 .
  • the surrounding portion 85 is positioned lower than the upper surface of the first cover 81 . As shown in FIG.
  • the rear edge 81a of the first cover 81 overlaps the front edge 82a of the second cover 82 at a position forward of the enclosing portion 85 from above. That is, at the connecting portion where the rear edge 81a of the first cover 81 and the front edge 82a of the second cover 82 are overlapped and connected, the rear edge 81a of the first cover 81 protrudes upward with respect to the second cover 82. Department. As a result, even if fuel spills around this connecting portion, the fuel can be dammed by the projecting portion of the trailing edge 81a. Therefore, even if the fuel moves forward from the surrounding portion 85, the fuel is prevented from flowing toward the first cover 81 side.
  • the rear internal space 58 of the seat frame portion 19 is surrounded in the vehicle width direction by the left member 51 and the right member 52 of the vehicle body frame 10, and the upper surface portion 41c of the fuel tank 41 is provided. and the second cover 82 form a space 87 which is vertically enclosed.
  • the space 87 is surrounded in the front-rear direction by the rear surface portion 72 a of the lid member 72 and the rear wall portion 54 a of the rear surface of the seat frame portion 19 .
  • the space 87 is positioned below the opening 57 on the upper surface of the seat frame portion 19 and overlaps the opening 57 when viewed from above.
  • Air intake duct 73 is arranged in space 87 .
  • the intake duct 73 extends outward and rearward in the vehicle width direction from the rear surface portion 72a of the lid member 72 .
  • An intake port 73 a of the intake duct 73 opens rearward within the space 87 .
  • the intake port 73a is positioned between the left member 51 and the fuel filler port 41d in the vehicle width direction.
  • the intake port 73a is positioned between the upper surface portion 41c of the fuel tank 41 and the second cover 82 in the vertical direction.
  • the intake port 73a is positioned between the rear surface portion 72a of the lid member 72 and the rear wall portion 54a in the front-rear direction.
  • the second cover 82 covers the intake duct 73 from above.
  • the second cover 82 includes a guide portion 82c that protrudes upward so as to avoid the upper portion of the intake duct 73.
  • the guide portion 82c extends in the axial direction of the intake duct 73 and covers the intake duct 73 from above.
  • the guide portion 82c has an arcuate shape that bulges upward along the outer periphery of the air intake duct 73 when viewed in the axial direction of the air intake duct 73 as shown in FIG.
  • the guide portion 82c extends rearward on the upstream side of the intake port 73a.
  • the guide portion 82c continues from the front edge 82a of the second cover 82 to the rear left edge of the second cover 82 .
  • outside air W flowing rearward as running wind flows into the rear internal space 58 of the seat frame portion 19 from the outside air intake port 63 of the body frame 10 .
  • the outside air W that has flowed into the rear internal space 58 flows rearward through the periphery of the fuel tank 41 and between the fuel tank 41 and the air cleaner 38 and into the space 87 .
  • the space 87 is surrounded by the left member 51, the right member 52, the upper surface portion 41c of the fuel tank 41, the cover 80, the rear surface portion 72a of the lid member 72, and the rear end portion 19a of the vehicle body frame 10. Easy to accumulate. Therefore, the air cleaner 38 can suck in the outside air W stably accumulated in the space 87 from the air intake port 73a of the air intake duct 73, and the air intake efficiency is good.
  • the outside air W that has flowed into the space 87 from the front is folded forward and flows into the intake port 73a that opens rearward. Therefore, dust contained in the outside air W is less likely to enter the intake port 73a. Part of the outside air W that has flowed into the space 87 is guided by the guide portion 82c behind the intake port 73a and flows into the intake port 73a. Therefore, the outside air W can efficiently flow to the intake port 73a.
  • the second lower member 56 is inclined rearwardly upward when viewed from the side of the vehicle, and the second cover 82 is substantially horizontal. , which decreases toward the rear. Therefore, the outside air W tends to accumulate in the space 87 positioned at the rear of the rear internal space 58 .
  • the cover 80 covers the opening 57 from the front end 57a to the rear end 57b, the opening 57 can be protected over a wide area. Therefore, even if fuel spills during refueling, parts such as the air cleaner 38 located near the fuel tank 41 under the opening 57 can be protected from the spilled fuel by the cover 80 .
  • the cover 80 By removing the cover 80, the parts within the opening 57 can be accessed and maintained.
  • only the first cover 81 should be removed, leaving the second cover 82.
  • the cover fastener 83 By releasing the fastening of the cover fastener 83, the first cover 81 and the second cover 82 can be separated.
  • the air cleaner 38 is exposed upward through the opening 57 .
  • the air cleaner 38 is positioned at the rear end. 38f is exposed upward. Therefore, the air cleaner 38 can be exposed upward from the opening 57 over a wide range, and the air cleaner 38 can be easily maintained.
  • the lid member 72 of the air cleaner 38 is entirely positioned within the opening 57 when viewed from above. Since the rear edge 81a of the first cover 81 extends further rearward than the rear end 72b of the lid member 72, when the first cover 81 is removed, the entire lid member 72 including the rear end 72b is exposed upward. do. Therefore, the cover member 72 can be easily accessed through the opening 57, and the filter 71 can be maintained by removing the cover member 72. FIG. Further, since the rear edge 81a of the first cover 81 extends further rearward than the fasteners 72c of the lid member 72, the fasteners 72c are exposed upward when the first cover 81 is removed. Therefore, the fastener 72c can be easily accessed, and the lid member 72 can be easily removed.
  • the first cover 81 when the first cover 81 is removed, the rear portion of the battery 42 is exposed upward from the opening 57 . Therefore, the battery 42 can be easily maintained.
  • the first cover 81 In order to access the rear part of the fuel tank 41 including the filler port 41d, the first cover 81 is left and only the second cover 82 is removed.
  • the motorcycle 1 includes the body frame 10 having the opening 57 on the upper surface, the passenger seat 14 covering the opening 57 from above, and the fuel tank 41. and an air cleaner 38 for purifying intake air.
  • the fuel tank 41 and the air cleaner 38 are positioned below the opening 57 and have a portion positioned inside the opening 57 when viewed from above.
  • a cover 80 covering from the portion 57a to the rear end portion 57b is provided below the seat 14, and the cover 80 has a cover opening 82b that exposes the fuel filler port 41d provided on the upper surface of the fuel tank 41 upward.
  • the air cleaner 38 when the cover 80 is removed, the air cleaner 38 is exposed upward through the opening in the upper surface of the vehicle body frame 10 , so that the air cleaner 38 can be easily accessed through the opening 57 . Since the cover 80 covers from the front end portion 57a to the rear end portion 57b of the opening 57, even if the fuel spills during refueling to the refueling port 41d, the air cleaner 38, etc. located near the fuel tank 41 can be removed. parts from spilled fuel.
  • an intake port 73a is provided for sucking outside air supplied to the air cleaner 38, and the cover 80 covers the intake port 73a from above.
  • the cover 80 can partition the space in which the outside air flowing through the intake port 73a is accumulated. Therefore, outside air can be stably supplied to the intake port 73a.
  • the cover 80 also includes a first cover 81 that covers the air cleaner 38 from above, and a second cover 82 that is separate from the first cover 81 . According to this configuration, when the first cover 81 is removed, the air cleaner 38 is exposed upward from the opening 57, so that the air cleaner 38 can be easily accessed.
  • the first cover 81 extends to a position behind the rear end 38f of the box-shaped air cleaner 38 . According to this configuration, when the first cover 81 is removed, the rear end 38f of the air cleaner 38 is exposed upward from the opening 57, so that the air cleaner 38 can be easily accessed.
  • the air cleaner 38 includes a box-shaped air cleaner case 70, a filter 71 arranged in the air cleaner case 70, and a lid member 72 covering the filter 71 from above. It extends to a position behind the rear end 72b of 72 . According to this configuration, when the first cover 81 is removed, the lid member 72 is exposed upward from the opening 57, so that the lid member 72 can be easily removed. Therefore, the filter 71 can be easily maintained.
  • the second cover 82 covers the fuel tank 41 from above, and the cover opening 82b is provided in the second cover 82 . According to this configuration, the fuel tank 41 is exposed upward from the opening 57 by removing the second cover 82, so that the fuel tank 41 can be easily accessed.
  • the second cover 82 also includes an enclosing portion 85 surrounding the cover opening 82b and surrounding the fuel filler port 41d.
  • the first cover 81 protrudes upward with respect to the second cover 82 at the connecting portion where the first cover 81 and the second cover 82 are connected at . According to this configuration, since the enclosing portion 85 is positioned lower than the first cover 81, the fuel received by the enclosing portion 85 is suppressed from flowing toward the first cover 81 side. Further, the fuel can be blocked by the first cover 81 projecting upward with respect to the second cover 82 at the connecting portion. Therefore, the air cleaner 38 can be protected from spilled fuel.
  • the battery 42 is arranged below the opening 57 , the battery 42 has a portion located inside the opening 57 in top view, and the cover 80 covers the battery 42 from above. With this configuration, the battery 42 can be protected by the cover 80 . Further, when the cover 80 is removed, the battery 42 is exposed upward from the opening 57, so that the battery 42 can be easily accessed.
  • the above-described embodiment shows one mode to which the present invention is applied, and the present invention is not limited to the above-described embodiment.
  • the first cover 81 extends to a position behind the rear end 72b of the lid member 72 forming the rear end 38f of the air cleaner 38, but the present invention is limited to this. not.
  • the rear edge 81a of the first cover 81 may extend rearward to the same position in the vehicle front-rear direction as the rear end 72b.
  • the motorcycle 1 has been described as an example, but the present invention is not limited to this, and the present invention is a three-wheel saddle-ride type vehicle having two front wheels or two rear wheels. It is applicable to a saddle type vehicle having four or more wheels.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automatic Cycles, And Cycles In General (AREA)
PCT/JP2022/001123 2021-03-30 2022-01-14 鞍乗り型車両 Ceased WO2022209141A1 (ja)

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JP2021-058044 2021-03-30

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5286151U (https=) * 1975-12-24 1977-06-27
JP2008189009A (ja) * 2007-01-31 2008-08-21 Yamaha Motor Co Ltd 鞍乗型車両
JP3154660U (ja) * 2008-08-19 2009-10-22 ヤマハ発動機株式会社 自動二輪車
JP2011051437A (ja) * 2009-08-31 2011-03-17 Honda Motor Co Ltd 鞍乗り型車両のシート下カバー構造
JP2015223901A (ja) * 2014-05-27 2015-12-14 ヤマハ発動機株式会社 鞍乗型車両

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5286151U (https=) * 1975-12-24 1977-06-27
JP2008189009A (ja) * 2007-01-31 2008-08-21 Yamaha Motor Co Ltd 鞍乗型車両
JP3154660U (ja) * 2008-08-19 2009-10-22 ヤマハ発動機株式会社 自動二輪車
JP2011051437A (ja) * 2009-08-31 2011-03-17 Honda Motor Co Ltd 鞍乗り型車両のシート下カバー構造
JP2015223901A (ja) * 2014-05-27 2015-12-14 ヤマハ発動機株式会社 鞍乗型車両

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