JP2992880B2 - Scooter type low floor vehicle - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a two-wheeled scooter type low floor vehicle.

[0002]

2. Description of the Related Art In a scooter type vehicle, an upper frame having a width wider than a lower frame is provided in order to strengthen a body frame and to support a helmet storage box and a seat. The one provided with a step is known in the art.
63286).

In the above-mentioned vehicle, the space in front of the helmet storage box is mainly used as a step for the driver. However, when a step for a rear passenger is provided, the step is placed outside the helmet storage box. As a result, the position of the step may protrude to the side and impair riding feeling.

[0004]

SUMMARY OF THE INVENTION The present invention has a footrest space in front of and below a helmet storage box,
Further, the front of the helmet housing unit, the article accommodating space and Pas
It is an object of the present invention to use it as a cylinder unit accommodation space of a power unit .

[0005]

Means for solving the above problems include a lower frame extending rearward from a lower end of the down tube, a center frame rising from the lower frame, and A scooter-type low-floor vehicle comprising a body frame having a rear frame extending rearward from a center frame, a container disposed at a rear portion of the body frame, a seat attached to an upper portion thereof, and a step provided at a lower front portion of the seat. The middle part of the down tube and the center frame is connected with the upper frame narrower than the width of the seat, and an article storage space narrower than the width of the seat is provided below the upper frame, and the rear wheel is integrally provided.
Power unit with cylinder section forward from unit body
The unit body is supported by the center frame.
And hold the cylinder part with the upper frame and the lower frame.
And a step is provided on the lower frame positioned at the lower end side of the article storage space.

According to the above means, a footrest space narrower than the lateral width of the seat is formed at the lower side of the upper frame, so that it can be used as a footrest space for not only the driver but also a passenger in the rear seat. You can ride in a comfortable posture. Also, Siri with the lower portion of the upper frame is used as the article storage space
It is used for accommodating a soldering section , and the article accommodating space is protected by these frames because it is surrounded by an upper frame and a lower frame located at approximately four upper and lower corners.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Referring to FIGS.
Indicates a vehicle body, the vehicle body 1 is provided with a front wheel 2 and a rear wheel 3 at a front portion and a rear portion, respectively, and a fuel tank 4 is provided at a lower intermediate portion between the front wheel 2 and the rear wheel 3 and a rear portion thereof. A two-seat scooter-type vehicle is configured by mounting a power unit 5 and further attaching a two-seat type seat 6 to an upper rear portion of the vehicle body 1.

Reference numeral 7 denotes a body frame. The body frame 7 includes a down tube 7b extending downward from the head pipe 7a as shown in FIG. 3, and right and left branches from the lower end of the down tube 7b to the left and right and extends rearward. A pair of lower frames 7
c, 7c, center frames 7d, 7d curved from the rear ends of the lower frames 7c, 7c to rise obliquely upward, and rear frames 7e, 7e curved from the upper ends of the center frames 7d, 7d and extended rearward. Each of the left and right frames includes a first cross pipe 7f at the rear end of the lower frame 7c, a second cross pipe 7g at the upper end of the center frame 7d, and a third cross pipe at the rear end of the rear frame 7e. An inverted U-shaped support frame 7i is connected to each other by a pipe 7h, and projects forward from an intermediate portion between the center frames 7d, 7d.Further, the support frame 7i and the down frame are provided in front of the support frame 7i. A pair of square pipes 7j, 7j are bridged between the tube 7b and
It is fixed to the support frame 7i and the down tube 7b detachably with screws 7k, 7k at the front and back, and the support frame 7i and the square pipe
7j forms an upper frame 7m.

The fuel tank 4 is formed into a square shape by welding the upper and lower halves 4a and 4b at a flange 4c, and the lower frame is fixed at the flange 4c via a fixing member 8 as shown in FIG. 7c, 7c, both sides are protected by the lower frames 7c, 7c, and the upper part is protected by the two-sided pipes 7j, 7j.
Upper body cover 9 and lower under cover formed with
10 form an article storage space 9d. And
A fuel tank 4 is disposed in the article storage space 9d, and a concave portion 4d is formed having an inclined surface that is inclined forward and obliquely on the upper rear wall of the fuel tank 4. The cylinder unit 5a at the front end of the power unit 5 is connected to the cylinder. The front end 5c of the head 5b is provided with a slight upward slant so as to face the recess 4d, and a power unit 5 is formed close to the fuel tank 4 by forming a clearance C1.

The fuel tank 4 is disposed so as to protrude upward inside the steps 9a, 9a, and has an inlet 4e formed on the upper surface of the protruding portion.
And the inlet 4e is covered with a lid 9c provided on the vehicle body cover 9. The width of the vehicle body cover 9 is made smaller than the width of the seat 6, and the outside of the side wall of the vehicle body cover 9 below the front part of the storage box can be used as a footrest space 9e for front and rear occupants. .

The power unit 5 is provided with a cylinder 5a.
And a unit main body 5d integrally formed with a crankcase and a transmission case extending rearward thereof. An axle 3a of the rear wheel 3 is supported at the rear of the unit main body 5d, and an upper middle portion thereof is provided by an oleo link. A so-called swing power unit is constituted by vertically swingably supporting the center frames 7d, 7d via an 11 and the rear end via a cushion damper 12 to a rear frame 7e. By inclining the cylinder portion 5a as described above, the lower space of the cylinder portion 5a formed behind the fuel tank 4 includes the cylinder portion 5a of the engine, the water pump W under the engine, and the front portion of the vehicle body 1. The engine side hoses 14a, 14a of a pair of radiator hoses 14, 14 connected to the radiator 13 provided in the
Numeral 14 is fixed to the floor stay 9b supported by the tank fixing brackets 8, 8 from below by screws or the like from below. Fuel guided from the fuel tank 4 passes through fuel pipes 15a and 15b,
The fuel is supplied to a carburetor 19 connected to an air cleaner 18 fixed above the power unit 5 via a filter 16 and a fuel pump 17 interposed therebetween. An air hose 20 for introducing a pulsating pressure as a driving source is provided to the fuel pump 17.
And the fuel pump 17 is fixed to the floor stay 9b as shown in FIG. On the other hand, a helmet storage box 21 as a container for storing a helmet or the like is provided between the cylinder 6 and the seat 6 in the upper space of the cylinder portion 5a.

The helmet storage box 21 has a seat 6
Is formed so that two helmets H1 and H2 can be stored in the front-rear direction over the entire lower surface of the seat 6, and the bottom wall 21a supports the support frame 7i and the third cross pipe 7h.
And fitted between the rear frames 7e, 7e. A projecting portion 21 projecting upward at the middle of the bottom wall 21a in the front-rear direction so as to cross the bottom wall 21a
b so that the two helmets H1 and H2 can be stably stored using the protrusion 21b as a partition wall, and the second cross pipe 7g is disposed in a space below the protrusion 21b. The battery case 22 is mounted from the outside of the middle of the one side wall 21c, and the battery is detached from the opening 21d on the inside.

FIG. 4 shows a scooter-type motorcycle having another structure embodying the present invention. In this embodiment, the helmet housing of the above-described embodiment is provided in a space above a cylinder portion 5a of an engine unit 5. Omit the part, the sheet 6
And a helmet storage box 21 for storing one helmet H3 is provided at the rear of the seat 6.

FIG. 4 shows an embodiment of a cylinder portion of an engine.
5a, a concave portion 4e is formed in the upper portion of the rear wall of the fuel tank 4 below the foremost portion in the shape of an L-shaped side surface, and a clearance C2 with the front end 5c of the cylinder portion 5a is formed. The fuel tank 4 is extended (4f) with a lap allowance of L.

In the figure, E indicates an exhaust pipe, and a fuel tank
It is arranged in a space formed below the cylinder section 5a behind the 4f.

[0016]

As described above, according to the first aspect of the present invention, a footrest space narrower than the width of the seat is formed at the lower side of the upper frame, so that not only the driver but also the passenger in the rear seat can be provided. also available as foot rest space, there is an effect that can ride in a comfortable position, also with the lower portion of the upper frame is used as the article retract and space, the power unit
Used to accommodate the cylinder part of the upper
The space under the frame is effectively used and the goods
Since the storage space is surrounded by the upper frame and the lower frame located at substantially four corners , there is an effect of being protected by these frames. In addition, power to the upper frame upper part
-The amount of protrusion of the unit is reduced,
The effect that the arrangement space for the container arranged at the rear becomes large
is there.

[Brief description of the drawings]

FIG. 1 is a partially mounted side view of a scooter type low floor vehicle embodying the present invention,

FIG. 2 is a sectional view taken along line II-II of FIG. 1,

FIG. 3 is an exploded perspective view of the vehicle,

FIG. 4 is a partially cutaway side view of another scooter type low floor vehicle embodying the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Body 2 Front wheel 3 Rear wheel 4 Fuel tank 4d, 4e Recess 5 Power unit 5a Cylinder part 5b Cylinder head 5c Front end 5d Unit body 6 Seat 7b Down tube 7c Lower frame 7d Center frame 7i Support frame 7m Upper frame 9 Body cover 9d Article storage Space 9e Foot space 21 Helmet storage box

Claims (1)

(57) [Claims] 1. Extending backward from the lower end of the down tube
A pair of lower frames, a center frame rising from the lower frame, and a body frame having a rear frame extending rearward from the center frame, a container is arranged at the rear of the body frame, and a seat is mounted on the upper part, In a scooter-type low-floor vehicle provided with a step at the front lower part of the seat, the pair of upper frames narrower than the width of the lower frame connect the middle part of the down tube and the center frame, and the lower part of the upper frame is narrower than the width of the seat. A power unit with an article storage space and an integrated rear wheel
The cylinder part so that it protrudes forward from the unit body.
And the unit body is supported by a center frame,
The above-mentioned thing between the upper frame and the lower frame
Is positioned goods storage space, a scooter-type low-floor vehicle, characterized in that a step on the lower frame located at the lower end side of the article storage space.