CN113557194B - Saddle-ride type vehicle - Google Patents

Abstract

A saddle-ride type vehicle (11) is provided with: a fuel tank (44) supported by the vehicle frame (12) and having a fuel supply opening (44 a); a vehicle body cover (13) that at least partially covers the fuel tank (44) and that divides an opening (47) at a position facing the fuel fill opening (44 a); a cover (48) that opens and closes the opening (47); and a fuel cap (55) which is provided separately from the cover (48) and closes the fuel supply port (44 a). The fuel cap (55) swings around an axis (56) between an open position for opening the fuel supply port (44 a) and a closed position for closing the fuel supply port (44 a), and a link member (66) for linking the swinging of the fuel cap (55) and the opening and closing of the lid (48) is connected to the fuel cap (55) and the lid (48). Thus, a saddle riding type vehicle is provided which can ensure good appearance design and realize good operation performance during oil supply.

Description

saddle ride vehicle

technical field

The present invention relates to a saddle-riding vehicle comprising: a fuel tank supported by a vehicle frame and having a fuel supply port; a body cover at least partially covering the fuel tank and defining an opening at a position facing the fuel supply port; and a cover for opening and closing the opening. , A fuel cap that is provided separately from the cap and blocks the fuel supply port.

Background technique

Japanese Patent Application Laid-Open No. 9-207852 discloses a scooter-type vehicle including a rear frame cover covering the rear half of the vehicle body. A cap hole (opening) for fuel supply is formed in the rear frame cover. A cover is freely opened and closed on the cover hole. On the inside of the cap, a fuel cap is fitted to the fuel supply port of the fuel tank.

prior art literature

patent documents

Patent Document 1: Japanese Patent Application Laid-Open No. 9-207852

Contents of the invention

The problem to be solved by the invention

In the scooter-type vehicle described in the same publication, the cap is disposed separately from the fuel cap, so the function and shape of the fuel cap are not limited and the cap can be freely designed as a part of the rear frame cover. Therefore, the designability of the scooter-type vehicle can be improved. However, when supplying fuel to the fuel tank, the user must remove the fuel cap after operating the opening of the cap. Opening of the cap and removal of the fuel cap must be carried out separately.

The present invention has been developed in view of the above-mentioned actual situation, and an object of the present invention is to provide a saddle-riding vehicle capable of ensuring good design and achieving good workability at the time of refueling.

Technical solutions for problem solving

According to a first aspect of the present invention, there is provided a saddle-riding vehicle comprising: a fuel tank supported by a vehicle frame and having an oil supply port; a body cover at least partially covering the fuel tank, The position facing the oil port defines an opening; a cover, which opens and closes the opening; a fuel cap, which is provided separately from the cover, and blocks the oil supply port. In the saddle-riding vehicle, the fuel cap It swings around the axis between an open position for opening the fuel supply port and a closed position for blocking the fuel supply port, and the fuel cap and the cap are connected so that the fuel cap swings and the cap A link member that performs interlocking opening and closing operations.

According to the second aspect, based on the structure of the first aspect, the cover swings around a rotation axis different from the axis, and the axis and the rotation axis are arranged on the same side with respect to the oil supply port, sandwiching On the opposite side to the fuel supply port, the link member connects the fuel cap and the cap.

According to the third aspect, based on the structure of the second aspect, the axis and the rotation axis are parallel.

According to a fourth aspect, in any one of the configurations of the first to third aspects, the saddle-riding vehicle includes a cap base mounted on the fuel tank and located on an outer periphery of the fuel supply port, The fuel cap and the cap are supported on the cap base.

According to a fifth aspect, in addition to any one of the first to fourth aspects, the saddle-riding vehicle further includes a hinge arm that is separate from the cover and supports the cover, and is provided rotatably around a rotation axis, Relatively rotatably connected to the link member at a position away from the rotation axis.

According to a sixth aspect, on the basis of the structure of the fifth aspect, the saddle-riding vehicle further includes: a first connecting rod shaft, which is combined with the fuel cap, is separated from the axis by a first distance and is parallel to the axis A connecting axis rotatably connects one end of the link member; a second link shaft, which is combined with the hinge arm, is separated from the axis of rotation by a second distance greater than the first distance and is connected to the rotation axis. The other end of the link member is rotatably connected to a connection axis parallel to the axis.

According to claim 7, in addition to the structure of claim 5 or 6, the body cover includes a rear cover that arranges the opening behind the passenger seat and has a rear cover that is flush with the outer edge of the cover. The outer surface is continuous in a plane, and the support body is arranged in front of the fuel supply port in the vehicle front-rear direction.

According to an eighth aspect, in addition to any one of the configurations of the first to seventh aspects, the saddle-riding vehicle further includes a lock mechanism that restrains the fuel cap at the closed position, or that closes the opening. position limit the cover.

According to a ninth aspect, in addition to the structure of the eighth aspect, the saddle ride type vehicle further includes an elastic member that exerts an elastic force that drives either the fuel cap or the lid in an opening direction.

According to claim 10, in addition to the structure of claim 8 or 9, the locking mechanism includes a restricting body formed on a member that supports the fuel cap rotatably around the axis and restricts the fuel cap. swing.

Invention effect

According to the first aspect, when fuel is supplied to the fuel tank, the lid is opened, and the fuel supply port is exposed to the space outside the vehicle body cover through the opening. The fuel cap swings around the axis to open the fuel supply port. In this case, since the cap and the fuel cap are formed separately, the cap can be freely designed as a part of the body cover. The designability of the saddle-riding vehicle can be improved. On the other hand, the swinging of the fuel cap is linked to the opening and closing of the cap. Therefore, either the swinging of the fuel cap or the opening and closing of the cap opens the opening of the body cover and opens the fuel supply port of the fuel tank. Although the cap and the fuel cap are separated, the cap and the fuel cap can be opened with one movement. In this way, good designability can be ensured, and good workability at the time of oil supply can be realized.

According to the second aspect, since the opening direction of the fuel cap and the cap is aligned with the fuel supply port, the structure of the link mechanism formed by the fuel cap, the hinge arm, and the link member can be simplified. When the fuel supply port is opened, the fuel cap and the cap are concentrated in one direction with respect to the fuel supply port, so a sufficiently large space can be secured in the other direction of the fuel supply port. The oil supply gun enables easy access to the oil supply port from the outside of the body cover.

According to the third aspect, the cap is rotatable around the rotation axis at an angle different from the swing angle of the fuel cap. The rotation angle of the cap can be set independently of the swing angle of the fuel cap. As a result, the appearance of the cover can be designed more freely. The designability of the saddle-riding vehicle can be further improved.

According to the fourth aspect, the cap base can unitize the fuel cap, the cap, and the link member. The cap base, fuel cap, cap, and link parts can be preassembled and assembled to the fuel tank. Therefore, the workability of assembly can be improved.

According to the fifth aspect, when the cover is assembled, the cover is supported by the hinge arm. Therefore, after the hinge arm is arranged inside the body cover, the cover can be fixedly attached to the hinge arm from the outside of the body cover. Compared with the case where the cap is connected to the fuel cap in advance and assembled inside the vehicle body cover, the degree of freedom in the shape of the cap can be increased. In this way, the appearance of the cover can be designed more freely. The designability of the saddle ride type vehicle can be further improved.

According to the sixth aspect, in the link mechanism constituted by the fuel cap, the hinge arm, and the link member, the rotation angle of the hinge arm is reduced relative to the rotation angle of the fuel cap. In this way, the opening angle of the fuel cap and the opening angle of the cap can be relatively adjusted. Efficient transmission of force from the fuel cap to the hinge arm.

According to the seventh aspect, the fuel supply gun can easily approach the fuel supply port from the rear of the vehicle. The workability of oil supply is improved.

According to the eighth aspect, since the cap and the fuel cap are connected by the link member, the fuel cap can be restricted to the closed position and the cap closes the opening by restricting either the swing of the fuel cap or the opening and closing of the cap. The number of parts can be reduced compared to the case where the locking mechanism is separately provided on the fuel cap and the cap. If any one of the fuel cap and the cap is released, the fuel cap can swing from the closed position, and the cap can open the opening. Good workability can be realized.

According to the ninth aspect, when the fuel cap or cap is released from the restriction of the lock mechanism, the fuel cap is driven toward the open position by the action of the elastic force, and the cap is driven in the opening direction to open the opening. Since the fuel cap and the cap are connected by a link member, the fuel cap and the cap can be driven in an opening direction by an elastic member common to the fuel cap and the cap. The number of parts can be reduced compared to the case where the elastic member is separately provided on the fuel cap and the cap.

According to the tenth aspect, the restricting body for restricting the swing of the fuel cap is integrated with the member for swingably supporting the fuel cap, so that the regulating position of the fuel cap can be well managed. The airtightness of the fuel cap with respect to the fuel supply port can be well ensured.

Description of drawings

FIG. 1 is a side view schematically showing the overall structure of a scooter as a specific example of a saddle-riding vehicle according to an embodiment of the present invention. (first embodiment)

FIG. 2 is an enlarged perspective view of the rear of the vehicle schematically showing the shape of the rear cover. (first embodiment)

Fig. 3 is a conceptual diagram schematically showing a switch unit embedded in an inner cover. (first embodiment)

4 is an enlarged vertical cross-sectional view of the vehicle rear end schematically showing the structure of the fuel cap unit.

(first embodiment)

Fig. 5 is an enlarged perspective view of a fuel cap unit. (first embodiment)

Fig. 6 is an enlarged exploded perspective view of a fuel cap unit. (first embodiment)

Fig. 7 corresponds to a part of Fig. 4 and is an enlarged vertical sectional view of the fuel cap unit. (first embodiment)

Fig. 8 corresponds to Fig. 7 and is an enlarged vertical sectional view of the fuel cap unit including the slider at the second position. (first embodiment)

Fig. 9 corresponds to Fig. 8 and is an enlarged vertical cross-sectional view of a fuel cap unit including a fuel cap that swings to an opening direction. (first embodiment)

Fig. 10 corresponds to Fig. 4 and is an enlarged vertical sectional view of the rear end of the vehicle schematically showing the structure of the fuel cap unit when the fuel cap is opened. (first embodiment)

FIG. 11 corresponds to FIG. 10 and is a conceptual diagram schematically showing the state of fuel supply. (first embodiment)

Fig. 12 corresponds to Fig. 9 and is an enlarged vertical cross-sectional view of the fuel cap unit including a lock claw that comes into contact with a restricting body when the fuel cap is closed. (first embodiment)

Explanation of reference signs

11...Saddle-riding vehicles (miniature motorcycles)

12...frame

13…body cover

23…Passenger seat

43…Rear shell cover

44…fuel tank

44a...Oil supply port

47…opening

48...cap (fuel cap)

55…Fuel cap

56... axis

57…cap base

57b...support body

62…Axis of rotation

63…hinge arm

64...connection axis

65...connecting axis

66...Connecting rod parts

67…the first connecting rod shaft

69…Second connecting rod shaft

89...Elastic part (torsion spring)

101...Lock mechanism

111...Restricted body

DS1...first distance

DS2…second distance

Detailed ways

Hereinafter, an embodiment of the present invention will be described with reference to the drawings. In addition, in the following description, front-back, left-right, and up-down refer to the direction seen from the occupant of a motorcycle.

first embodiment

FIG. 1 schematically shows the overall structure of a scooter 11 as a specific example of a saddle-riding vehicle (motorcycle). The scooter 11 includes a body frame 12 and a body cover 13 attached to the body frame 12 . The frame 12 includes a head pipe 14, a down pipe 15 extending downward from the head pipe 14, a cross frame 16 connected to the rear end of the down pipe 15 and extending in the vehicle width direction, and both ends of the cross frame 16. A pair of left and right side frames 17 that are combined and extend from the horizontal frame 16 to be low in front and high in the rear are formed. The front fork 18 and the steering handle 19 are rotatably supported on the head pipe 14 . On the front fork 18 , the front wheel WF is rotatably supported about an axle shaft 21 .

The body cover 13 includes: a front cowl 22a that covers the head pipe 14 and the down pipe 15 from the front; an inner cover 22b that is combined with the front cowl 22a and covers the head pipe 14 and the down pipe 15 from the rear; The lower end of 22b is connected to a floor step 22c extending parallel to the ground, and a body cover 22d is connected to the rear end of the step 22c and covers the side frame 17 . The passenger seat 23 is supported above the rear wheels WR on the body cover 22d. The storage box 24 is supported by the side frame 17 inside the vehicle body cover 22d. The storage box 24 is opened and closed by the passenger seat 23 .

On the body frame 12 , a swing-type power unit 25 is supported between side frames 17 so as to be able to swing freely in the vertical direction. The power unit 25 is connected to the side frame 17 via a link 26 . The power unit 25 includes an internal combustion engine 27 that generates power based on fuel, and a transmission 28 that is connected to the internal combustion engine 27 and transmits the power of the internal combustion engine 27 to rear wheels WR at a gear ratio that changes linearly.

The rear wheel WR is rotatably supported on the rear end of the power unit 25 about an axle 29 . A rear damper unit 31 is installed between the rear end of the power unit 25 and the rear end of the side frame 17 . The power unit 25 functions as a suspension device that connects the rear wheel WR swingably to the vehicle frame 12 .

The internal combustion engine main body 32 of the internal combustion engine 27 includes: a crankcase 34 for accommodating a crankshaft rotatably about a rotation axis 33; 35 and a cylinder head 36 that forms a combustion chamber between the piston and a cylinder head cover 37 that is combined with the cylinder head 36 and covers a valve mechanism assembled on the cylinder head 36 . The cylinder head 36 is connected to an intake system 38 for introducing an air-fuel mixture into the combustion chamber and an exhaust system 39 for discharging combusted gas from the combustion chamber. The transmission 28 includes a continuously variable transmission (not shown) accommodated in a transmission case 41 integrated with the crankcase 34 of the internal combustion engine body 32 .

The body cover 22d includes a rear cowl 43 which is arranged behind the passenger seat 23 and supports the tail lamp 42 . Inside the rear cover 43 , a fuel tank 44 is supported on the side frame 17 . The fuel tank 44 is at least partially covered by the body cover 13 . The fuel tank 44 is provided with a filler neck 45 that defines a fuel supply port 44a. A fuel cap unit (fuel cap unit) 46 that closes the fuel supply port 44a is attached to the filler neck portion 45 . Details of the fuel cap unit 46 will be described later. A fuel pump (not shown) is installed in the fuel tank 44 . The fuel in the fuel tank 44 is supplied to the fuel injection device of the internal combustion engine 27 by the action of the fuel pump.

As shown in FIG. 2 , an opening 47 is defined in the rear cover 43 at a position behind the passenger seat 23 and facing the fuel tank 44 . A fuel lid 48 is arranged on the opening 47 . The fuel cap 48 covers the opening 47 from the outside of the rear housing 43 . The fuel cap 48 opens and closes the opening 47 . The opening and closing action of the fuel cap 48 is realized in the space outside the rear housing cover 43 . When the fuel cap 48 closes the opening 47 , the outer edge of the fuel cap 48 and the outer surface of the rear shroud 43 continue flush with each other.

As shown in FIG. 3 , a switch unit 49 is incorporated below the steering handle 19 in the inner cover 22b. The switch unit 49 is arranged at a position where the hands of the occupant seated on the occupant seat 23 are easily accessible. The switch unit 49 includes a key cylinder 52 that rotatably supports a key plug 51 that receives a key in a key hole 51 a. When the angle of the keyhole 51a is aligned with the "OFF" position, the entry and exit of the key relative to the keyhole 51a is allowed. When the angle of the keyhole 51a is aligned with the "ON" position, the electrical system of the vehicle is switched on. When the angle of the keyhole 51a exceeds the "ON" position and aligns with the "IGNITION" position, the starter motor of the internal combustion engine 27 is started.

Set the "SEAT FUEL" position between the "ON" position and the "OFF" position. When the angle of the key hole 51a is aligned with the "SEAT FUEL" position, operation of the seesaw switch 53 is permitted. In the seesaw switch 53 , when the “FUEL” side is pressed, the fuel cap 48 opens the opening 47 . When the "SEAT" side is pressed, the passenger seat 23 is unlocked. The user can access the storage box 24 in response to the opening of the passenger seat 23 . As shown in FIG. 1 , the "SEAT" side of the seesaw switch 53 is connected to the fuel cap unit 46 by a cable 54 . Outside the "SEAT FUEL" position, the seesaw switch 53 is locked. If the seesaw switch 53 is locked, the push of the seesaw switch 53 is prevented on both the "SEAT" side and the "FUEL" side.

As shown in FIG. 4 , the fuel cap unit 46 is provided separately from the fuel cap 48 and includes a fuel cap 55 that closes the fuel supply port 44 a of the fuel tank 44 . The fuel cap 55 is swingably supported on a cap base 57 about an axis 56 between an open position for opening the fuel supply port 44a and a closed position for closing the fuel supply port 44a. The cap base 57 is fitted to the filler neck 45 around the oil supply port 44a. The cap base 57 is fixed to the fuel tank 44 with screws 58 .

A fuel tray 59 is disposed between the fuel cap unit 46 and the fuel tank 44 . The fuel tray 59 expands around the filler neck 45 , blocking the space between the filler neck 45 and the rear shroud 43 . Water and dust entering through the opening 47 are collected by the fuel tray 59 . The fuel tray 59 may be molded of, for example, a resin material.

The fuel cap unit 46 includes a link mechanism 61 for interlocking the opening and closing of the fuel cap 48 with the operation of the fuel cap 55 . The link mechanism 61 includes: a hinge arm 63 rotatably supported by the fuel tank 44 around a rotation axis 62 and supporting the fuel cap 48 ; and a link member 66 rotatably around a connecting axis 64 parallel to the axis 56 at one end. It is connected to the fuel cap 55 , and the other end is connected to the hinge arm 63 so as to be rotatable about a connection axis 65 parallel to the rotation axis 62 . The link member 66 interlocks the opening and closing operation of the fuel cap 48 with the swing of the fuel cap 55 . The link member 66 may be molded of, for example, a resin material.

As shown in FIGS. 5 and 6 , one end of the link member 66 is connected to the fuel cap 55 through a first link shaft 67 so as to be relatively rotatable about the connection axis 64 . The first link shaft 67 is constituted by a bush fixed to the fuel cap 55 with a screw 68 . The bush is composed of, for example, a resin molded body having excellent wear resistance and sliding properties. As the resin material, for example, POM (polyacetal) resin can be used. The joining axis 64 is separated from the axis 56 by a first distance DS1.

The other end of the link member 66 is coupled to the hinge arm 63 via a second link shaft 69 so as to be relatively rotatable about the connection axis 65 . The second link shaft 69 is constituted by a bush fixed to the hinge arm with a screw 71 . The bush is composed of, for example, a resin molded body having excellent wear resistance and sliding properties. As the resin material, for example, POM (polyacetal) resin can be used. The link axis 65 is separated from the axis of rotation 62 by a second distance DS2 greater than the first distance DS1 .

The hinge arm 63 is connected to the cap base 57 via a bush 72 so as to be rotatable about the rotation axis 62 . The bushing 72 is fixed to the cap base 57 with screws 73 . The bush 72 is made of, for example, a resin molded body having excellent wear resistance and sliding properties. As the resin material, for example, POM (polyacetal) resin can be used.

The axis of rotation 62 of the hinge arm 63 differs from the axis 56 of the fuel cap 55 and extends parallel to the axis 56 . The hinge arm 63 has: a connecting body 63a that faces the inner surface of the fuel cap 48 and expands at a position separated from the rotation axis 62 toward the vehicle rear; and two curved arms 63b that bulge downward from the connecting body 63a The curved side extends toward the front of the vehicle, and has a front end connected to the cap base 57 via a bush 72 rotatably around the rotation axis 62 . The hinge arm 63 may be molded of, for example, a resin material. The cap base 57 is partially disposed between the curved arms 63b.

As shown in Figure 4, on the fuel cap 48, a first combination body 48a protrudes from the inner surface facing the hinge arm 63 and is received by the front edge of the joint body 63a of the hinge arm 63; the second combination body 48b protrudes from the inner surface facing the hinge arm 63 at a position closer to the vehicle rear than the first connecting body 48a, and is received by the rear edge of the connecting body 63a of the hinge arm 63. The second coupling body 48b may be formed by, for example, bosses arranged on both sides of the coupling body 63a. A hook 75 having a claw protruding from a plane 74 received by the coupling body 63a and extending rearward is formed on the first coupling body 48a. A threaded hole 77 is formed in the second coupling body 48b. The threaded hole 77 passes through the flat surface 76 received by the coupling body 63a and has internal threads engraved on the inner surface. The fuel cap 48 may be molded from the same material as the rear housing 43 .

The first coupling body 48 a is received by the first seating surface 78 formed on the coupling body 63 a of the hinge arm 63 . A slit 79 for receiving the hook 75 of the first coupling body 48a is formed on the first seating surface 78 . When the first coupling body 48a is positioned relative to the first seating surface 78, the hook 75 in the slit 79 engages with the coupling body 63a. The shaking of the first combined body 48a relative to the first seating surface 78 is prevented. The hook 75 maintains the contact between the first seating surface 78 and the first coupling body 48a.

The second combined body 48 b is received by the second seating surface 81 formed by the connecting body 63 a of the hinge arm 63 . A round hole 83 is formed on the second seating surface 81, and the round hole 83 receives the shaft portion of the screw 82 screwed into the screw hole 77 of the second coupling body 48b. The second combination body 48 b is combined with the hinge arm 63 by using a screw 82 . Thus, the fuel cap 48 is coupled to the hinge arm 63 by the hook 75 and the screw 82 .

Formed on the fuel cap 48: a top plate 48c, which is fastened to the hinge arm 63 through the first coupling body 48a and the second coupling body 48b, and at the front end of the opening 47, while creating a sense of unity with the rear housing cover 43 Cover the hinge arm 63 from above; the hidden plate 48d, which is bent from the top plate 48c, covers the second combination body 48b and the screw 82 from the rear while creating a sense of unity with the rear cover 43 at the rear end of the opening 47.

As shown in FIG. 6, the cap base 57 has: a surrounding plate 57a that surrounds the filler neck 45 and is screwed to the fuel tank 44; The outer edge expands outward in one direction and is connected to the fuel cap 55 and the hinge arm 63 . The support body 57b has a pair of wall bodies 84 standing up from a plane including the surface surrounding the plate 57a while being spaced apart from each other. Here, the support body 57b is arranged in front of the fuel supply port 44a in the vehicle front-rear direction. Therefore, the fuel cap 55 is located on the vehicle front side with respect to the fuel supply port 44a when the fuel supply port 44a is opened. The fuel cap 48 is located on the vehicle front side with respect to the opening 47 when the opening 47 is opened.

The fuel cap 55 includes a cap main body 55 a swingably connected to a pivot 85 about an axis 56 . The cap main body 55a includes: a disc body 86 having a diameter larger than that of the fuel supply port 44a and extending outward from the outer edge of the fuel supply port 44a; and a connecting arm 87 extending from the disc body 86 toward the vehicle front. A through-hole 87a for receiving the pivot shaft 85 rotatably is provided at the front end. The pivot 85 passes through the two walls 84 and is fixed to the cap base 57 through the flange 85 a and the C-shaped clip 88 .

A pair of cylindrical bodies 55 b protruding outward coaxially with the pivot shaft 85 are formed on the connecting arm 87 . A torsion spring 89 is attached to each cylindrical body 55b. One end of the torsion spring 89 is connected to the cap base 57 . The other end of the torsion spring 89 is connected to the fuel cap 55 . The torsion spring 89 exerts an elastic force to drive the fuel cap 55 in the opening direction around the axis 56 . Here, the torsion spring 89 exerts an elastic force that drives the fuel cap 55 to the open position where the fuel supply port 44a is opened to the maximum.

As shown in FIG. 7 , a limiter 91 protruding from the outer surface away from the axis 56 is formed on the connecting arm 87 . On the track of the limiter 91 that is displaced around the axis 56 , an abutment surface 92 is formed on the cap base 57 . The abutment surface 92 restricts the swing of the cap main body 55 a around the axis 56 in the opening direction. When the fuel cap 55 swings, the limiter 91 abuts against the contact surface 92 , thereby setting the open position of the fuel cap 55 .

On the disc body 86 , a cylindrical wall 93 that rises toward the fuel tank 44 coaxially with the filler neck 45 is formed at the closed position of the fuel cap 55 . A fuel gasket 94 is fitted inside the cylindrical wall 93 . The fuel liner 94 has a thick body 94a that is in close contact with the top end of the filler neck 45 around the fuel supply port 44a, and a corrugated body 94b that expands outward from the thick body 94a. The corrugated body 94 b is joined to the disc body 86 via a gasket holder 95 fitted inside the cylindrical wall 93 . The fuel gasket 94 is molded of, for example, a rubber material. The cap main body 55a may be formed, for example, from an aluminum material. The pad holder 95 may be formed, for example, from an aluminum material.

The thick-walled body 94 a of the fuel gasket 94 is supported by the pushing member 96 . The pushing member 96 sandwiches the fuel gasket 94 between the fuel filler neck portion 45 and the fuel cap 55 at the closed position. The pushing member 96 is guided by the guide shaft 97 protruding from the disk body 86, and is displaceable in the linear direction of the central axis of the cap main body 55a. A C-shaped clip 98 is fixedly installed on the front end of the guide shaft 97 . The C-clip 98 prevents the push member 96 from falling off from the guide shaft 97 .

A coil spring 99 is interposed between the push member 96 and the disc body 86 around the guide shaft 97 . The coil spring 99 exerts an elastic force that applies a driving force to the pushing member 96 toward the C-shaped clip 98 in a direction away from the disc body 86 . In the closed position of the fuel cap 55 , the fuel gasket 94 is pressed against the top end of the filler neck 45 with a certain pressure by the elastic force of the coil spring 99 . When the fuel gasket 94 is released from the restraint of the filler neck 45 , the pushing member 96 is pressed against the C-shaped clip 98 by the elastic force of the coil spring 99 .

A lock mechanism 101 for restricting the fuel cap 55 to the closed position is incorporated in the fuel cap unit 46 . The lock mechanism 101 includes a slider 102 having a lock claw 102a at one end, and a pair of standing walls 104 formed on the cap body 55a and defining a guide path 103 that guides the displacement of the slider 102 linearly. The slider 102 is linearly displaced along the surface of the fuel cap 55 . According to the displacement of the slider 102, the locking claw 102a is positioned at a first position Pf protruding outward from the outer circumference of the disc body 86 to the maximum, and at a second position Ps receding from the first position Pf toward the outer circumference of the disc body 86. displacement between. The other end of the slider 102 protrudes outward from the edge of the cap body 55a.

A pressing plate 105 that blocks the guide path 103 from above is coupled to the standing wall 104 . The pressing plate 105 is received by a step 104a descending from the upper end of the vertical wall 104, and is pressed against the step 104a by a riveting piece 104b bent above the step 104a.

At the other end of the slider 102 is formed a protruding piece 102b that contacts the edge of the pressing plate 105 from the outside along the guide path 103 . The protrusion 102 b restricts the advancement of the slider 102 by contacting the edge of the pressing plate 105 . At this time, the locking claw 102a is positioned at the first position Pf where it protrudes outward to the maximum from the outer periphery of the disc body 86 . The protruding piece 102b blocks the guide passage 103 at the outer edge of the fuel cap 55 .

A storage space 107 for the coil spring 106 is defined on the slider 102 . The coil spring 106 is arranged in a compressed state between the slider 102 and the cap main body 55 a in the guide path 103 . The coil spring 106 is in contact with the slider 102 at one end close to the locking claw 102a, and is in contact with the cap main body 55a at the other end farther from the locking claw 102a. A wall 108 is formed in the cap main body 55 a, and the wall 108 is arranged in the accommodation space 107 and supports the other end of the coil spring 106 . The coil spring 106 exerts an elastic force to hold the lock claw 102 a at the first position Pf along the guide path 103 .

The lock mechanism 101 is provided with the restricting body 111 which is arrange|positioned at the position deviated from the rail of the fuel cap 55 which reciprocates between an open position and a closed position, and is coupled with the fuel tank 44. As shown in FIG. The restricting body 111 can restrict the locking pawl 102 a at the first position Pf around the axis 56 against the elastic force of the torsion spring 89 . The locking claw 102a in the first position Pf is engaged with the restricting body 111 to hold the fuel cap 55 at the closed position. The locking pawl 102 a in the second position Ps is disengaged from the restricting body 111 , allowing the fuel cap 55 to swing around the axis 56 between the closed position and the open position. The restricting body 111 is formed on the cap base 57 rearward in the vehicle front-rear direction with respect to the oil supply port 44 a.

The lock mechanism 101 further includes an operation member 113 that is swingably supported by the support body 57 b of the cap base 57 around a hinge axis 112 parallel to the axis 56 . The operating member 113 is disposed between a wall body 84 and the connecting arm 87 . On the operation member 113 , a shaft body 113 a is formed coaxially with the hinge axis 112 . The shaft body 113 a penetrates through the wall body 84 from the inner side and is prevented from coming off by the C-shaped clip 114 .

A stopper 115 is formed on the operation member 113 to receive the tip of the cable 54 at a position away from the hinge axis 112 in the centrifugal direction. The stop piece 115 is formed by, for example, a cylinder having a central axis parallel to the hinge axis 112 . The end of the cable 54 is connected to the stopper piece 115 .

The cable 54 is guided by a sheath 116 supported by the cap base 57 so as to be relatively displaceable in the axial direction with respect to the cap base 57 . When the "FUEL" side is pressed by the seesaw switch 53, the cable 54 is stretched. The operating member 113 swings in the first direction FR around the hinge axis 112 . A first stopper 117a is formed on the operation member 113, and when the first stopper 117a is swung in the first direction FR, the first stopper 117a abuts against the edge of the wall body 84 to restrict the swing in the first direction FR. The first stopper 117 a specifies the unlocked position of the operation member 113 .

A coil spring 118 is attached to the cable 54 in a compressed state between the operation member 113 and the cap base 57 . The coil spring 118 exerts an elastic force for driving the operation member 113 in a second direction SE opposite to the first direction FR around the hinge axis 112 . When the push on the “FUEL” side is released through the seesaw switch 53 , the operation member 113 swings in the second direction SE around the hinge axis 112 by the action of the elastic force of the coil spring 118 . A second stopper 117b is formed on the operation member 113 to abut against the edge of the wall body 84 when swinging in the second direction SE to restrict the swinging in the second direction SE. The second stopper 117b specifies the locked position of the operation member 113 . The elastic force of the coil spring 118 keeps the operating member 113 at the locked position.

On the operation member 113 , an engaging piece 119 having a central axis parallel to the hinge axis 112 and protruding from the operation member 113 is formed at a position away from the hinge axis 112 in the centrifugal direction. The engaging piece 119 is formed by, for example, a cylinder having a central axis parallel to the hinge axis 112 . The engaging piece 119 is arranged on the extension of the guide path 103 when the fuel cap 55 is in the closed position. The engaging piece 119 is displaced in the linear direction of the guide path 103 according to the operation of the operation member 113 . When the operating member 113 is at the locked position around the hinge axis 112, the engaging piece 119 is closest to the guide path 103 on the cap main body 55a. When the operating member 113 is in the unlocked position around the hinge axis 112, the engaging piece 119 is farthest away from the guide path 103 on the cap main body 55a.

In the operation member 113 , the engagement piece 119 connected to the lock pawl 102 a is arranged in a first angle region around the hinge axis 112 . The distance between the central axis of the engaging piece 119 and the hinge axis 112 is set to a first length LG1. On the other hand, the stopper piece 115 connected to the cable 54 is disposed in a second angle region displaced from the first angle region by a specific angle α around the hinge axis 112 . The distance between the central axis of the stopper piece 115 and the hinge axis 112 is set to a second length LG2 that is greater than the first length LG1.

A hook 121 is formed at the other end of the slider 102. When the fuel cap 55 is in the closed position, the hook 121 is connected to the engaging piece 119. When the fuel cap 55 is displaced from the closed position to the opening direction, the hook 121 is released from the engaging piece. 119 released. When the fuel cap 55 is in the closed position, when the operating member 113 swings from the locked position to the unlocked position, the lock pawl 102 a retreats from the first position Pf and displaces to the second position Ps disengaged from the restricting body 111 .

At the time of refueling, in the scooter 11 , a key is inserted into the key hole 51 a of the key plug 51 . The key hole 51a is angled to align with the "SEAT FUEL" position. Next, press the "FUEL" side by the seesaw switch 53. The cable 54 is stretched in the axial direction against the elastic force of the coil spring 118 . Then, as shown in FIG. 8 , the operation member 113 rotates in the first direction FR around the hinge shaft 112 . According to the swing of the operation member 113 , the engaging piece 119 is separated from the guide path 103 on the extension of the guide path 103 . According to the displacement of the engaging piece 119 , the slider 102 moves backward against the elastic force of the coil spring 106 . In this way, a driving force is transmitted to the lock pawl 102a. As a result, the lock claw 102a retreats from the first position Pf to the second position Ps. The driving force disengages the lock pawl 102 a from being engaged with the restricting body 111 . The locking claw 102 a is disengaged from the restricting body 111 . Movement of the fuel cap 55 in the opening direction is permitted. The operating member 113 stops at the unlocked position.

Since the torsion spring 89 urges the fuel cap 55 in the opening direction around the axis 56, the fuel cap 55 swings from the closed position to the opening direction. Then, as shown in FIG. 9 , the hook 121 disengages from the engaging piece 119 in response to the swing of the fuel cap 55 . The slider 102 is released from the restriction of the operation member 113 . Therefore, the slider 102 advances due to the action of the coil spring 106, and the lock pawl 102a is pressed to the first position Pf again.

When the fuel cap 55 swings in the opening direction around the axis 56 , the limiter 91 comes into contact with the contact surface 92 of the cap base 57 as shown in FIG. 10 . The contact surface 92 restricts the fuel cap 55 from swinging around the axis 56 in the opening direction. In this way, the open position of the fuel cap 55 is determined. The fuel supply port 44a of the fuel tank 44 is opened to the maximum.

By the action of the torsion spring 89 , a driving force is generated on the fuel cap 55 in a tangential direction about the axis 56 . A component of the driving force is transmitted to the hinge arm 63 in the axial direction of the link member 66 . In this way, a driving force is applied to the hinge arm 63 around the rotation axis 62 . In conjunction with the opening operation of the fuel cap 55 , the fuel cap 48 opens the opening 47 .

When the fuel cap 55 reaches the open position, the fuel cap 48 reaches the open position where the opening 47 is opened to the maximum. The fuel cap 48 in the open position is located above the passenger seat 23 . When the fuel cap 48 is fully opened, a horizontal plane HP passing through the lower end portion of the fuel cap 48 is located above the passenger seat 23 . At this time, the second combined body 48b of the fuel cap 48 and the screw 82 are covered by the hidden plate 48d from behind, but the screw 82 is exposed downward. As shown in FIG. 11 , a worker supplying oil can easily insert the oil supply gun 122 into the oil supply port 44 a through the opening 47 from the rear.

Once the locking pawl 102a is released from the restriction of the restricting body 111, the seesaw switch 53 can be released from the user's operation force. Then, the operation member 113 is released from the tensile force of the cable 54 , and thus the operation member 113 is rotated in the second direction SE around the hinge shaft 112 by the action of the coil spring 118 . The operating member 113 returns to the locked position.

When the oil supply is completed, the oil supply worker pulls out the oil supply gun 122 from the oil supply port 44a. Next, the fuel cap 48 is closed about the axis of rotation 62 . An operating force is applied to the fuel cap 48 by the operator's hand. On the hinge arm 63 , a driving force is generated in a tangential direction about the rotation axis 62 . A component of the driving force is transmitted to the cap main body 55 a of the fuel cap 55 in the axial direction of the link member 66 . In this way, a driving force is applied to the fuel cap 55 around the axis 56 . In conjunction with the closing operation of the fuel cap 48, the fuel cap 55 closes the fuel supply port 44a.

When the fuel supply port 44a is closed, if the fuel cap 55 swings to the closed position, the lock claw 102a at the first position Pf collides with the restricting body 111 . At this time, when an operator's operating force is further applied from the fuel cap 48 , a driving force is generated on the lock claw 102 a toward the second position Ps based on the slope of the restricting body 111 . The slider 102 retreats against the elastic force of the coil spring 106 . The lock pawl 102 a is disengaged from the slope of the restricting body 111 . The fuel cap 55 swings further and reaches the closed position. The fuel supply port 44a is closed. The locking pawl 102a is released from the restriction of the restricting body 111, and therefore, by the action of the coil spring 106, the slider 102 advances again, and the locking pawl 102a returns to the first position Pf. The locking claw 102a is engaged with the restricting body 111 . Even if the fuel cap 48 is released from the operator's operating force, the restricting body 111 restricts the fuel cap to the closed position.

When the fuel cap 55 is restrained in the closed position, the fuel gasket 94 is sandwiched between the pushing member 96 and the filler neck 45 . Pressing force is applied to the pushing member 96 toward the spout neck portion 45 by the action of the coil spring 99 . Therefore, the fuel gasket 94 is in close contact with the pushing member 96 and the filler neck 45 . Good airtightness is ensured between the fuel cap 55 and the filler neck 45 . When the fuel cap 55 swings to the closed position, the operation member 113 is held at the locked position by the action of the coil spring 118 , so the hook 121 engages with the engaging piece 119 of the operation member 113 again.

In the present embodiment, since the fuel cap 48 and the fuel cap 55 are formed separately, the fuel cap 48 can be freely designed as a part of the vehicle body cover 13 . The designability of the scooter 11 is improved. On the other hand, the swing of the fuel cap 55 is interlocked with the opening and closing operation of the fuel cap 48. Therefore, when the swing of the fuel cap 55 is operated, the opening 47 of the body cover 13 is opened, and the fuel supply port 44a of the fuel tank 44 is opened. . Although the fuel cap 48 and the fuel cap 55 are separated, the fuel cap 48 and the fuel cap 55 can be opened by one movement. In this way, good workability at the time of oil supply is realized while ensuring good design.

Furthermore, since the fuel cap 48 and the fuel cap 55 are connected by the link member 66 , when the fuel cap 55 reaches the closed position, the fuel cap 48 closes the opening 47 . The fuel cap 55 can be positioned in the closed position according to the closure of the fuel cap 48 . If the fuel cap 55 is not fitted to the fuel supply port 44 a, the fuel cap 48 does not close the opening 47 . In this way, the fitting of the fuel cap 55 can be easily confirmed from the observation of the fuel cap 48 . It is possible to prevent forgetting to close the fuel cap 55 .

In the scooter 11 of the present embodiment, the fuel cap 48 rotates around a rotation axis 62 that is different from the axis 56 of the fuel cap 55 and extends parallel to the axis 56 . The fuel cap 48 rotates about the rotation axis 55 at an angle different from the pivot angle of the fuel cap 55 . The rotation angle of the fuel cap 48 can be set independently of the swing angle of the fuel cap 55 . As a result, the appearance of the fuel cap 48 can be designed more freely. The designability of the scooter 11 can be further improved.

The fuel cap 48 is supported by the hinge arm 63 when the fuel cap 48 is assembled. Therefore, after the hinge arm 63 is disposed inside the vehicle body cover 13 , the fuel cap 48 can be fixed to the hinge arm 63 from the outside of the vehicle body cover 13 . Compared with the case where the fuel cap 48 is previously connected to the fuel cap 55 and assembled inside the vehicle body cover 13 , the degree of freedom in the shape of the fuel cap 48 is increased. In this way, the appearance of the fuel cap 48 can be designed more freely. The designability of the scooter 11 can be further improved.

The fuel cap 55 and the fuel cap 48 are supported by a cap base 57 mounted on the fuel tank 44 and extended around the fuel supply port 44a. The cap base 57 unitizes the fuel cap 55 , the hinge arm 63 and the link member 66 . The cap base 57 , the fuel cap 55 , the hinge arm 63 , and the link member 66 can be combined and assembled to the fuel tank 44 in advance. Therefore, the workability of assembly can be improved.

The cap base 57 includes a support body 57 b that expands in one direction from the outer edge of the fuel supply port 44 a to the outside, and is connected to the fuel cap 55 and the hinge arm 63 . At this time, the link member 66 connects the hinge arm 63 and the fuel cap 55 on the side opposite to the support body 57b across the fuel supply port 44a. The fuel cap 55 and the fuel cap 48 are opened in the same direction as the fuel supply port 44a, so that the structure of the link mechanism 61 formed by the fuel cap 55, the hinge arm 63, and the link member 66 is simplified. When the fuel supply port 44a is opened, the fuel cap 55 and the fuel cap 48 are concentrated in one direction with respect to the fuel supply port 44a, so a sufficiently large space is secured in the other direction of the fuel supply port 44a. The oil supply gun 122 can easily access the oil supply port 44 a from the outside of the vehicle body cover 13 .

The link mechanism 61 of the present embodiment includes a first link shaft 67 coupled to the fuel cap 55 and rotatably coupled to the link member 66 around a coupling axis 64 parallel to the axis 56 separated from the axis 56 by a first distance DS1. the second link shaft 69, which is combined with the hinge arm 63, and rotatably connects the link around the link axis 65 that is separated from the rotation axis 62 by a second distance DS2 greater than the first distance DS1 and is parallel to the rotation axis 62 The other end of part 66. In the link mechanism 61 composed of the fuel cap 55 , the hinge arm 63 , and the link member 66 , the rotation angle of the hinge arm 63 is reduced relative to the rotation angle of the fuel cap 55 . In this way, the opening angle of the fuel cap 55 and the opening angle of the fuel cap 48 can be relatively adjusted. Force can be efficiently transmitted from the fuel cap 55 to the hinge arm 63 .

In this embodiment, the support body 57b of the cap base 57 is arrange|positioned ahead with respect to the fuel supply port 44a in the vehicle front-back direction. As a result, the fuel supply gun 122 can easily approach the fuel supply port 44a from the vehicle rear. The workability of oil supply is improved.

The scooter 11 also includes a locking mechanism 101 that restricts the fuel cap 55 in the closed position. Since the fuel cap 48 and the fuel cap 55 are connected by the link member 66 , by restricting only the swing of the fuel cap 55 , the fuel cap 55 is restricted to the closed position, and the fuel cap 48 closes the opening 47 . Compared with the case where the locking mechanism is separately provided on the fuel cap 55 and the fuel cap 48, the number of parts is reduced. If the restriction is released in the fuel cap 55 , the fuel cap 55 can swing from the closed position, and the fuel cap 48 opens the opening 47 . Achieve good workability.

The scooter 11 further includes a torsion spring 89 that exerts an elastic force that drives the fuel cap 55 in the opening direction. When the fuel cap 55 is released from the restriction of the locking mechanism, the fuel cap 55 is driven to the open position by the action of the elastic force, and the fuel cap 48 is driven in the opening direction to open the opening 47 . Since the fuel cap 55 and the fuel cap 48 are connected by the link member 66 , the fuel cap 55 and the fuel cap 48 are driven in the opening direction by the common elastic member of the fuel cap 55 and the fuel cap 48 . Compared with the case where elastic members are separately provided on the fuel cap 55 and the fuel cap 48, the number of parts is reduced.

The lock mechanism 101 of the present embodiment includes a restricting body 111 formed on the cap base 57 that rotatably supports the fuel cap 55 around the axis 56 and restricts the swing of the fuel cap 55 . Since the fuel cap 55 and the regulating body 111 are supported by the same member, the regulating position of the fuel cap 55 can be better managed than when the fuel cap 55 and the regulating body 111 are supported by separate members. The airtightness of the fuel cap 55 with respect to the fuel supply port 44a is well ensured.

Claims (8)

1. A saddle-ride type vehicle is provided with:

a fuel tank (44) supported by the vehicle frame (12) and having a fuel supply opening (44 a);

a vehicle body cover (13) that at least partially covers the fuel tank (44) and that defines an opening (47) at a position facing the fuel fill inlet (44 a);

a cover (48) that opens and closes the opening (47);

a fuel cap (55) provided separately from the cover (48) and closing the fuel supply port (44 a),

the saddle-ride type vehicle (11) is characterized in that,

the fuel cap (55) is swung about an axis (56) between an open position opening the fuel supply port (44 a) and a closed position blocking the fuel supply port (44 a),

a link member (66) for linking the swing of the fuel cap (55) and the opening/closing operation of the lid (48) is connected to the fuel cap (55) and the lid (48),

the cap (48) is configured to swing around a rotation axis (62) different from the axis (56), the axis (56) and the rotation axis (62) are arranged on the same side relative to the oil supply port (44 a),

further provided with a hinge arm (63), wherein the hinge arm (63) is separate from the cover (48), supports the cover (48), and is rotatably provided around a rotation axis (62),

a first link shaft (67) that connects the link member (66) and the fuel cap (55) and a second link shaft (69) that connects the link member (66) and the hinge arm (63) are located on the opposite side of the axis (56) and the rotation axis (62) across the oil supply port (44 a).

2. The saddle-ride type vehicle according to claim 1,

the axis (56) and the axis of rotation (62) are parallel.

3. The saddle-ride type vehicle according to claim 1 or 2,

the fuel tank is provided with a cap base (57), the cap base (57) is mounted on the fuel tank (44) and is positioned on the periphery of the fuel filling opening (44 a), and the fuel cap (55) and the cap (48) are supported on the cap base (57).

4. The saddle-ride type vehicle according to claim 1 or 2,

the first link shaft (67) is connected to one end of the link member (66) so as to be rotatable about a first connection axis (64) that is separated from the axis (56) by a first distance (DS 1) and is parallel to the axis (56);

the second link shaft (69) is rotatably connected to the other end of the link member (66) about a second connecting axis (65) that is spaced apart from the rotation axis (62) by a second distance (DS 2) that is greater than the first distance (DS 1) and is parallel to the rotation axis (62).

5. The saddle-ride type vehicle according to claim 4,

the vehicle body cover (13) is provided with a rear cover (43), the rear cover (43) is provided with the opening (47) behind a passenger seat (23), has an outer surface flush-continuously with the outer edge of the cover (48), and a support body (57 b) connected to the fuel cap (55) and the hinge arm (63) is arranged forward in the vehicle front-rear direction with respect to the fuel filler opening (44 a).

6. The saddle-ride type vehicle according to any one of claims 1, 2, and 5,

a lock mechanism (101) is further provided for restricting the fuel cap (55) at the closed position or restricting the cover (48) at a position for closing the opening (47).

7. The saddle-ride type vehicle according to claim 6,

the fuel injector is further provided with an elastic member (89), and the elastic member (89) exerts an elastic force that drives either the fuel cap (55) or the cover (48) in the opening direction.

8. The saddle-ride type vehicle according to claim 7,

the lock mechanism (101) is provided with a restricting body (111), and the restricting body (111) is formed on a member that supports the fuel cap (55) so as to be rotatable about the axis (56) and restricts the swinging of the fuel cap (55).

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