JP2700466B2 - Scooter type vehicle - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a scooter-type vehicle provided with a large box capable of housing a helmet below a driving seat.

BACKGROUND OF THE INVENTION There is a two- or three-wheeled scooter type vehicle in which a large box is provided below a driver's seat so that a driver's helmet can be stored in the box. In this type of vehicle, the helmet has a substantially hemispherical shape, and the box that houses the helmet is also substantially hemispherical. There is a useless space between the rear cover and the box that surrounds the helmet. However, there is a problem that the size of the fuel tank becomes large or the space for accommodating other members is restricted, and for example, the volume of a fuel tank or an oil tank must be reduced.

(Object of the Invention) The present invention has been made in view of such circumstances,
To provide a scooter-type vehicle that can secure a sufficiently large fuel tank and oil tank volume while avoiding an increase in the size of the rear cover and vehicle body when a large box for helmet storage is arranged below the driver's seat The purpose is to do.

(Constitution of the Invention) According to the present invention, it is an object of the present invention to provide a box body in which a front upper portion of a power unit is suspended by a pivot shaft on a body frame, and a helmet is accommodated between the power unit and a driving seat located above the power unit. In the scooter type vehicle provided with, the box body is formed in a substantially bowl shape so as to accommodate the helmet with the top thereof being positioned downward with the opening at the top and the helmet being positioned rearward of the pivot shaft. A cushion unit that supports the power unit is formed on a bracket that connects the pair of left and right body frames that pass back and forth on both lower sides of the box body in the vicinity of a lower rear portion of the box body. A fuel tank that curves rearward substantially along the curved surface of the rear surface of the box body, and whose bottom portion swells downward from behind the cushion unit and between the left and right body frames. A scooter-type vehicle, wherein an oil tank is provided behind the operation seat, and an oil tank is provided in front of the box and forward of the pivot shaft. , Is achieved.

(Embodiment) FIG. 1 is a side view of a rear part of a two-wheeled scooter according to an embodiment of the present invention, in which a part of the rear part is partially cut. FIG.
FIG. 3 is a plan view showing an arrangement of a frame and a battery,
4 is a sectional view taken along lines AA and BB in FIG. 1, and FIGS. 5 and 6 are sectional views taken along lines VV and VI-VI in FIG.

In these figures, reference numerals 10 and 10 denote a pair of left and right body frames, the front ends of which are fixed to the rear end of a main tube extending downward and rearward from an operating shaft tube (not shown), and are bent obliquely upward and rearward from here. Have been. The left and right frames 10 are connected to each other by brackets 12, 14, 16 and the like as shown in FIG. 18 is a power unit,
A forced-air-cooled single-cylinder two-cycle engine 20 and a transmission 22 are integrally formed, and a rear wheel is provided at the rear end of the transmission 22.
24 are held. The cylinder of the engine 20 is disposed substantially horizontally toward the front, and an ignition plug 26 is provided at the front end thereof toward the front. The transmission 22 accommodates a V-belt continuously variable transmission, and the engine 20 is transmitted to the rear wheels 24 via the transmission. The power unit 18 is vertically swingable by holding the upper portion of the engine 20 on the frame 10 via the link 28. That is, frame 10,
10 includes a bracket 30 extending downward as shown in FIG.
A link 28 is pivotally attached to the bracket 30 by a pivot shaft 32, and an upper portion of the engine 20 is pivotally attached to a rear end of the link 30. The rear end of the transmission 22 is supported by one cushion unit 34. This cushion unit 34 is pre-assembled with a bracket 36 pre-assembled on its upper end.
36 is bolted to the lower surface of the bracket 14.

An air cleaner 38 is provided on the left side of the front of the engine 20, and a carburetor 40 is provided above the engine 20, and intake air passes through the air cleaner 38 and the carburetor 40 and the engine 20.
From the top of the crankcase. 42
Is an exhaust silencer arranged on the right side of the rear wheel 24.

Reference numeral 50 denotes a substantially bowl-shaped box for storing a helmet, which is integrally formed of synthetic resin. The box body 50 has an inner bottom surface formed in a substantially hemispherical shape so as to house the full-face type helmet 52 with its top part downward and the opening part upward, and is attached to the brackets 12 and 14 by bolts. Fixed. That is, as shown in FIG. 2, two mounting pedestals 54, 54 are formed on the lower surface slightly ahead of the center of the box body 50, and these pedestals 54 are pedestals 54a, 54a,
It is bolted to 54a (Fig. 3). At the rear lower part of the box 50, pedestals 56, 56 projecting rearward are formed, and these pedestals 56 are bolted to receiving seats 56a, 56a of the bracket 14 (FIG. 3). In this way, the box body 50 includes the brackets 12, 14
At four locations.

At the front of this box 50, as is evident in FIGS.
A narrow storage portion 58 that curves substantially along the substantially elliptical opening of the box 50 and opens upward is integrally formed. The storage unit 58 stores documents such as an insurance card. A horizontally long storage section 60 swelling downward is integrally formed at the center bottom of the box body 50 (see FIG. 4). The storage section 60 is opened inside the box 50, and can store the instantaneous puncture repair agent 62 and the like. A box-shaped storage portion 64 opened to the left is integrally formed on the lower side surface on the left side of the box body 50 (see FIGS. 3 and 5). A battery 66 is stored in the storage section 64 from the left side, and the battery 66 is held by a cover plate 68 (FIGS. 1, 3) attached to an opening of the storage section 64. The right edge of the cover plate 68 is attached to the storage portion 64 by a hinge, and the left edge is fixed to the storage portion 64 by a bolt. Therefore, the cover plate 68 can be removed from the box body 50, and the battery 66 can be pulled out obliquely downward while avoiding interference with the underline 90a (see FIG. 1) of the rear cover 90 described later. Thus, the box body 50
Various storage units 58, 60, 64 using the substantially hemispherical curved surface
Are integrally formed.

Reference numeral 70 denotes an operation seat, and a seat bottom plate 72 is attached to the box 50 so as to be freely opened and closed. That is, the front edge of the seat bottom plate 72 has a pin 76 on a seat support portion 74 protruding from the front of the box body 50.
At 76 it is rotatably mounted. The rear part of the seat bottom plate 72 is supported on the rear upper surface of the box body 50. That is, at the rear of the box 50, upper and lower and left and right walls are protruded rearward, and the upper wall serves as a seat 78 for the seat bottom plate 72, and a rubber damper (see FIG. (FIGS. 1, 2, and 6) 80 are in contact with each other. A rectangular window is opened near the center of the seat 78, and a lock device 82 attached to the lower surface of the seat 78 faces the window. The seat bottom plate 72 is provided with a hook 84 that is engaged with and disengaged from the lock device 82 through the window.

Reference numeral 90 denotes a rear cover, which covers the power unit 18 and the side of the rear wheel 24 from front and rear and right and left of the box body 50. This rear cover 90
Is located above the top edge of the box 50, and the seat bottom plate
Facing the underside of 70. The peripheral edge of the seat bottom plate 72 is bent downward and hangs outside the upper edge of the rear cover 90. A rubber sealing member 92 that is engaged with the upper edge of the rear cover 90 from inside is attached to the inner peripheral wall of the seat bottom plate 72. The left and right upper edges of the box body 50 are notched so as to be lower than the front and rear upper edges as shown in FIG. Therefore, the helmet 52 can be easily taken in and out of the box body 50. Also, since the sealing material 92 is provided not on the box body 50 but on the sealing bottom plate 72 side, there is no danger of damaging the sealing material 92 when the helmet 52 is taken in and out, and the sealing material 92 comes into contact with the inner surface of the opening edge of the rear cover 90, so The material 92 does not increase the width of the rear cover 90, and the width of the vehicle body can be reduced despite the helmet 52 being stowable.

1 and 3, reference numeral 94 denotes an oil tank for storing lubricating oil, which is located in front of the box body 50 and in the space in front of the pivot shaft 32. That is, since the box body 50 is substantially bowl-shaped, its front lower curved surface is inclined downward and downward, and the space between the downwardly curved surface and the pivot shaft 32 is effectively used to reduce the capacity of the oil tank 94. Is increasing. The oil tank 94 has a front lower portion held by a bracket 96 (FIG. 1) fixed to the frame 10 and a rear portion fixed to a bracket 98 (FIG. 3) projecting from the bracket 12. A part of the rear cover 90 that covers the front of the oil tank 94 is openable and closable in the front, that is, on the side of the driver's foot space, and can be refueled by opening it (FIG. 1). .

1 to 3, reference numeral 100 denotes a fuel tank,
It is disposed above the rear frame 10. This tank 1
00 is attached to the brackets 14 and 16, and the refueling cap 102 is located on the rear cover 90 behind the seat 70. The front portion of the tank 100 curves substantially along the curved surface of the rear surface of the box 50, and approaches the curved surface of the box 50. That is, the tank 100 is provided with the seat receiver 7 protruding from the rear surface of the box 50.
8 including the upper and lower, swelling into the space surrounded by the left and right walls, so as to approach the rear surface of the box 50 outside these vertical walls while avoiding interference with the left and right vertical walls A pair of bulging, left and right bulging portions 100a, 100a are formed. In addition, the bottom of the fuel tank 100 is swelled downward between the left and right body frames 10 and 10 behind the bracket 14 and the cushion unit 34, thereby increasing the size in the vertical direction. The fuel tank 100 is located at a position rearward of the vehicle, and the size of the fuel tank 100 is increased in the front-rear direction. Here, since the bracket 14 is close to the lower rear of the box 50,
The cushion unit 34 will also be close to the box 50,
A wide space can be secured in the front and rear behind the cushion unit 34. The cushion unit 34 is
Therefore, the distance between the body frames 10, 10 can be increased. For this reason, the bulging portion at the bottom of the fuel tank 100 can be increased in capacity. For this reason, the fuel storage volume can be increased.

In the above embodiment, the fuel tank 100 is formed with a pair of left and right bulges 100a, 100a so as to avoid the upper, lower, left and right walls protruding from the rear surface of the box 50. If such a wall is not provided, it can be formed smoothly along the curved surface of the box, and in this case, the capacity of the tank can be further increased.

(Effect of the Invention) As described above, the present invention provides a large helmet-storing box below the driver's seat when the helmet top is down and the helmet is lower than the pivot shaft that suspends the power unit. A box was formed so as to be located rearward.
The pair of left and right body frames passed the lower side of the box back and forth, and the cushion unit was supported by a bracket connecting the two body frames near the lower rear of the box. For this reason, while being able to widen the space between the left and right body frames,
The space behind the cushion unit can be expanded back and forth. Then, the fuel tank is curved so as to be substantially along with the curved surface of the rear surface of the box, and the bottom thereof is swelled downward from the left and right body frames behind the bracket and the cushion unit. It was located behind. As a result, the fuel tank can be made sufficiently large in the up-down direction and the front-back direction, and the bulging portion at the bottom can be made large. That is, the curved surface of the box,
The capacity of the fuel tank can be increased by effectively utilizing the space between the left and right body frames and the space behind the operation seat.

Further, the box is substantially bowl-shaped, and the top of the helmet is located behind the pivot axis of the power unit, so that there is a space opened forward between the front lower part of the box and the pivot axis. In the present invention, since the oil tank is accommodated in this space, the capacity of the oil tank can be increased by effectively utilizing the space around the box. As described above, according to the present invention, the capacities of both the fuel tank and the oil tank can be increased by utilizing the periphery of the substantially bowl-shaped box.

[Brief description of the drawings]

1 is a side view of a rear part of a two-wheeled scooter according to one embodiment of the present invention, FIG. 2 is a plan view of the rear part, FIG. 3 is a plan view showing an arrangement of a frame and a battery, FIG. FIG. 4 is a sectional view taken along line AA and line BB in FIG.
5 and 6 are sectional views taken along line VV in FIG.
It is a VI-VI sectional view. 10 ... body frame, 14 ... bracket, 18 ... power unit, 28 ... link, 34 ... cushion unit, 50 ... box, 52 ... helmet, 70 ... driving seat, 94 ... oil tank , 100 ... fuel tank, 102 ... fuel cap.

Claims (1)

(57) [Claims] 1. A scooter type vehicle in which a front upper portion of a power unit is suspended on a vehicle body frame by a pivot shaft, and a box housing a helmet is arranged between the power unit and a driving seat located above the power unit. The box is formed in a substantially bowl shape so as to house the helmet with its top positioned downward with the opening at the top and the top of the helmet positioned behind the pivot axis. A cushion unit that supports the power unit is supported by a bracket that connects the pair of left and right body frames that pass sideways back and forth near a lower rear portion of the box, and a curved surface of a rear surface of the box behind the box. A fuel tank which is curved substantially along with the bottom of the cushion unit and whose bottom portion swells downward from behind the cushion unit and between the left and right body frames. A scooter-type vehicle, characterized in that an oil tank is provided behind the operation seat and a fuel tank is provided below and in front of the box and in front of the pivot shaft.