JP2000219173A - Scooter-type vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve seating performance of a fellow passenger to a rear seat, secure a load space in a suitable position, and secure quality of appearance around the seat. SOLUTION: This underbone-type scooter-type vehicle is provided with an offset steering structure in which a handle 10 is offset forward in relation to a front fork 15, and a unit swing-type engine 2 vertically movably attached to a vehicle body frame. A front seat 7 on which a driver is to be seated and a rear seat 8 on which a fellow passenger is to be seated are arranged. The rear seat 8 is arranged above a rear wheel 3 and also behind the front seat 7 at a specified distance, and a part between the front seat 7 and the rear seat 8 is covered with a horizontal surface part 20c formed on a side cover 20.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a scooter type vehicle having an offset steering structure in which a steering wheel is offset forward with respect to a front fork, and more particularly to a scooter type vehicle provided with a front seat and a rear seat. is there.

[0002]

2. Description of the Related Art Conventionally, as a scooter type vehicle, a unit swing type engine for supporting a rear wheel is mounted on an underbone type body frame so as to be vertically movable,
Some vehicles have a front seat on which a driver sits and a rear seat on which a passenger sits.

[0003]

However, in such a conventional vehicle, it is possible to improve the seating ability of the passenger on the rear seat and to secure a suitable luggage space at the rear seat. There is a demand to provide a product which can also secure the appearance quality around the arrangement.

[0004] Therefore, an object of the present invention is to provide a scooter type vehicle that satisfies the above demands.

[0005]

In order to achieve the above object, the invention according to the first aspect has an offset steering structure in which a handle is offset forward with respect to a front fork, and the handle is vertically moved by a body frame. A front seat on which a driver sits and a rear seat on which a passenger sits are disposed above the unit swing engine, and a side cover is provided below the front seat. In the scooter-type vehicle, the rear seat is disposed at a predetermined distance behind the front seat above the rear wheel, and the side cover is provided between the front seat and the rear seat. The scooter-type vehicle is covered with the formed horizontal surface.

According to a second aspect of the present invention, in addition to the configuration of the first aspect, the seating surface of the front seat and the seating surface of the rear seat are set at substantially the same height, and The horizontal surface portion of the side cover that covers between the seat and the rear seat is set to be substantially the same height as the lower edges of the two seats.

[0007]

Embodiments of the present invention will be described below.

FIGS. 1 to 3 show an embodiment of the present invention.

First, the structure will be described. In the scooter type vehicle of this embodiment, a unit swing type engine 2 is connected to an underbone type body frame 1 (hereinafter referred to as "frame 1") so as to be swingable in a vertical direction. As well as
A rear wheel 3 is supported at a rear portion of the unit swing type engine 2, while a front wheel 4 is disposed at a front portion of the frame 1, and further, a front seat 7 on which a driver sits and a rear portion on which a passenger sits. A seat 8 is provided.

More specifically, this scooter type vehicle has an offset steering structure in which the handle 10 is offset forward with respect to the front fork 15 as described below. That is, a head pipe 1a is provided at a front portion of the frame 1, and a handle 1 is attached to the head pipe 1a.
A handle steering shaft 11 extending downward from the central portion is penetrated, and the handle steering shaft 11 is rotatably supported by the head pipe 1a via a thrust bearing (not shown). Then, the head pipe 1 of the steering shaft 11 is
A support plate 12 is fixedly provided at an end protruding downward from a.

The head pipe 1a is connected to a support pipe 1c arranged in parallel with the head pipe 1a via a pair of upper and lower connecting pipes 1b, and a rotating bar 14 is provided in the support pipe 1c. It is rotatably supported via a thrust bearing (not shown). A fork support member 16 for supporting the left and right front forks 15 is fixed to an end of the rotary bar 14 protruding downward from the support pipe 1c. The fork support member 16 and the support plate 12 are connected by a link member 17. The front end and the rear end of the link member 17 are rotatably connected to the support plate 12 and the fork support member 16, respectively. And these frames 1,
Support plate 12, fork support member 16, and link member 17
Thus, a parallel link mechanism is configured.

Thus, when the handle 10 is rotated, the handle steering shaft 11, the support plate 12, the link member 1
7. The front wheel 4 is steered in a predetermined direction via the fork support member 16 and the front fork 15.

A down tube 1d extends obliquely downward from the support pipe 1c, and a front end 1g of a pair of left and right extension pipes 1f is fixed to a lower end 1e of the down tube 1d. The two extension pipes 1f are arranged so as to branch right and left backward from the down tube 1d. These extension pipes 1f have a lower horizontal portion 1h, an inclined portion 1i and an upper horizontal portion 1j from the front side, and a rear seat 8 is fixed to the rear end side of the upper horizontal portion 1j by bolting or the like. .

Further, between these two extension pipes 1f, a storage box 6 for storing a helmet H or the like having an open upper side is disposed so as to be supported by the extension pipes 1f. , The front seat 7
Are openably and closably arranged by a hinge 19 provided at the front end 7a. The front seat 7 is provided with a backrest 7b.

A side cover 20 is provided below the front seat 7 so as to cover the periphery of the storage box 6, and a front end 7 a of the front seat 7 is located forward of a rising portion 20 a of the side cover 20. The side cover 20 has a bulging portion 20b formed by bulging the lower side of the front seat 7 forward from above the rising portion 20a.

The front end 6a of the storage box 6
Is located in the bulging portion 20b so as to protrude forward from the rising portion 20a.

A backrest 8a is formed on the rear seat 8, and is disposed above the rear wheel 3 behind the front seat 7 with a predetermined distance therebetween.
A portion between the rear seat 8 and the rear seat 8 is covered with a horizontal surface portion 20 c formed on the side cover 20.

The seating surface of the front seat 7 and the seating surface of the rear seat 8 are set at substantially the same height, and the side surface covering between the front seat 7 and the rear seat 8 is provided. The horizontal surface portion 20c of the cover 7
Are set at substantially the same height as the lower edges 7c and 8b.

Further, the side cover 20 has a step portion 20 for placing a foot of a passenger sitting on the rear seat 8.
d is swelled and formed.

The unit swing type engine 2
The suspension bracket 22 is extended from the lower part of the front part to the front, while the extension pipe 1 of the frame 1 is provided.
The support bracket 23 is fixed to the support bracket f, and the front end of the suspension bracket 22 is attached to the frame 1 by a pivot shaft 24 so as to be vertically movable with respect to the support bracket 23.

In the unit swing type engine 2, the cylinder of the cylinder block 2a is located substantially in front of the vehicle.
The cylinder axis is arranged substantially horizontally along the vehicle front-rear direction. An air cleaner 2c is disposed above a transmission case 2b of the engine 2, and outside air from the air cleaner 2c is introduced into the carburetor 2d.

A lower end 25a of a rear cushion 25 is mounted on the rear wheel 3 side supported by the unit swing type engine 2, and an upper end 25b of the rear cushion 25 is mounted on an extension pipe 1f. It is attached to a bracket 26.

Further, a rear end 28a of a side pipe 28 is attached to the bracket 26, and a front end 28b of the side pipe 28 is joined to the support pipe 1c.

Reference numeral 31 denotes a step portion which can also be used as a luggage storage space, and reference numeral 32 denotes a head pipe 1a.
And a front cover that covers the support pipe 1c.

In such a case, the handle 10
Is offset forward, and the front end 7a of the front seat 7 is made to protrude forward from the side cover rising portion 20a, so that the entire front seat 7 can be set to the front side. Therefore, even if the rear seat 7 is arranged at a predetermined distance behind the front seat 7, the rear seat 7 can be arranged above the rear wheel 3 without being located much behind.

In this case, the front seat 7 and the rear seat 8 are separated from each other by a predetermined distance, and the horizontal surface portion 20c of the side cover is set at a position lower than the seating surface of the rear seat 8. Therefore, if the space above the side cover horizontal surface portion 20c is used, the foot can be easily passed when getting on and off the vehicle, and the getting on and off the rear seat 8 can be easily performed. Moreover, the height of the seating surface of the rear seat 8 is substantially the same as the height of the seating surface of the front seat 7, and is lower than that of the conventional seat. And the center of gravity can be lowered.

Further, by covering the space between the two sheets 7 and 8 with the side cover horizontal surface portion 20c, it is possible to secure the appearance quality and to load goods on the horizontal surface portion 20c. 20c can also be used as a carrier.

Further, the swelling portion 20b is provided on the side cover 20.
Is formed, and by disposing the front end 6a of the storage box 6 here, the storage volume of the storage box 6 can be increased. Moreover, the space below the bulging portion 20b can be used as a space for placing a foot and a load.

Further, since the rear seat 8 can be disposed forward by the amount of shifting the front seat 7 forward, the center of gravity of these can be set in the wheel base.

[0030]

As described above, according to the first aspect of the present invention, the rear seat is disposed above the rear wheel and behind the front seat at a predetermined distance from the rear wheel. The foot can be passed when the passenger gets on and off using the space that has been set, so that the passenger's getting on and off can be improved. Further, since the space between the front seat and the rear seat is covered with the horizontal surface of the side cover, the appearance quality can be ensured. In addition, the side cover horizontal surface can be used as a luggage space.

Further, since the entire front seat can be set to the front side by offsetting the steering wheel to the front, even if the rear seat is disposed at a predetermined distance behind the front seat, this rear seat can be set. Since the rear seat can be arranged above the rear wheel without being located so much rearward, the position of the center of gravity when the driver or the passenger is seated can be set in the wheel base.

According to the second aspect of the present invention, in addition to the above-described effects, the seating surface of the front seat and the seating surface of the rear seat are set at substantially the same height, and the height of the seating surface of the rear seat is adjusted. By lowering the height, a practically useful effect that the getting-on / off property with respect to the rear seat can be improved is exhibited.

[Brief description of the drawings]

FIG. 1 is a side view showing the appearance of a scooter type vehicle according to an embodiment of the present invention.

FIG. 2 is a side view showing an internal structure of the scooter type vehicle according to the embodiment.

FIG. 3 is a perspective view showing a head pipe and the like according to the embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Body frame 1a Head pipe 1c Support pipe 2 Unit swing type engine 3 Rear wheel 4 Front wheel 6 Storage box 6a Front end 7 Front seat 7a Front end 8 Rear seat 10 Handle 20 Side cover 20a Rising section 20b Swelling section 20c Horizontal plane section

Claims (2)

[Claims] 1. A unit swing type engine having a steering wheel offset to the front with respect to a front fork and having a unit swing type engine mounted on a vehicle body frame so as to be vertically movable, and above the unit swing type engine. In a scooter-type vehicle in which a front seat on which a driver sits and a rear seat on which a passenger sits are arranged, and a lower portion of the front seat is covered with a side cover, the rear seat is positioned above a rear wheel on the front. A scooter-type vehicle, wherein the scooter-type vehicle is disposed rearwardly of a part seat at a predetermined distance, and a space between the front seat and the rear seat is covered by a horizontal surface formed on the side cover. 2. A seating surface of the front seat and a seating surface of the rear seat are set at substantially the same height, and the side cover horizontal surface portion that covers a space between the front seat and the rear seat is provided. The scooter-type vehicle according to claim 1, wherein the height is set to be substantially the same as the lower edges of both seats.