JPH0277379A - Motorcycle/tricycle - Google Patents

Abstract

PURPOSE:To ensure swing space and to store a large-size helmet by disposing a helmet storing portion on the front side of a seat of a seat trailing end portion load supporting member erected on a frame and disposing a fuel tank on the rear side thereof, with the base portion made higher in a motorcycle or tricycle having a rear body. CONSTITUTION:A partition plate 17 is erected in the interior of a rear body 7 to support the rear portion of a seat 18 and partition the interior of the rear body 7 into a large-size helmet storing box 19 and a storing portion for a fuel tank 21 and a battery 22. The base portion of the fuel tank 21 is set higher than the base portion of the helmet storing box 19. An opening portion 19a of the helmet storing box 19 is wide corresponding to the whole of a new seat portion 18a of the seat 18, and a fuel tank storing space 20 is covered with a seat rear portion 18b. By this arrangement, swing space required for rear wheel oscillation can be ensured, and a large-size helmet and a fuel tank can be stored.

Description

[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to a motorcycle or tricycle equipped with a rear body at the rear of the vehicle body, and more specifically, a large-capacity helmet storage box that can store a helmet inside the rear body. Regarding the rear body structure that ensures

[Conventional technology]

In conventional motorcycles and tricycles, such as scooters and family bikes, helmets are hung on helmet holders on the vehicle body, but because the helmets are hung and exposed outside the vehicle body, they are easily soiled by rain and dust. Because of these concerns, a motorcycle as disclosed in, for example, Japanese Utility Model Application Publication No. 59-26089 has been proposed.

・This technology attaches a seat to the vehicle body frame in an openable and closable manner, secures a storage space at the bottom of the seat that is larger than the external contour of the helmet, and creates a seat within the storage space whose upper shape roughly follows the internal contour of the helmet. By providing a hemispherical fuel tank and covering the fuel tank with a helmet,
A helmet is stored under the seat.

[Problem that the invention seeks to solve]

However, in the above-mentioned model, the storage space for the helmet and the fuel tank are provided on the body frame far above the engine, so not only does the seat sit in a high position, but the fuel tank also has enough space for 8 spears. Also, getting the helmet in and out was narrow and cumbersome.

On the other hand, if the seat height is reduced, the distance between the fuel tank and the engine becomes narrower, which limits the swing space of the engine and the cushion stroke of the rear suspension. The absorption performance of the vehicle decreases, making the ride uncomfortable.

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to obtain a motorcycle/tricycle which has a large capacity helmet storage box and a fuel tank above the swing space of the power unit and the cushion stroke of the rear suspension.

Means for Solving Problem c] In order to achieve the above object, the motorcycle/tricycle according to the present invention includes a power unit that integrates an engine and a transmission mechanism that transmits the output of the engine to the rear wheels; A support point for supporting the front part of the power unit, a body frame extending above the power unit from the support point, and a rear suspension for supporting the rear part of the power unit so as to be swingable in the vertical direction. , a support member that supports the load near the rear end of the seat is erected, a helmet storage box is placed in the front side of the support member, a fuel tank is placed close to the rear side of the helmet storage box, and the fuel tank The bottom of the helmet storage box is located above the bottom of the helmet storage box.

[For production]

The helmet storage box is placed on the front side of the support member, where the swing range of the power unit is small, so a large storage space is secured, and a seat that has this storage space at the bottom is designed to accommodate the occupant near the rear end. A load is supported by the support member.

Further, since the bottom of the fuel tank disposed on the rear side of the support member is located above the bottom of the helmet storage box, sufficient swing space is provided for swinging of the rear wheel integrated with the power unit.

〔Example〕

An embodiment in which the present invention is applied to a two-wheeled scooter will be described below with reference to the drawings.

The scooter 1 includes a leg shield 4 at the front of a step floor 3 provided on a low-floor main frame 2, and a rear cover 6 surrounding the rear of a rising portion 5 continuous to the rear end of the step floor 3. It is equipped with a rear body 7.

A front fork 9 that is steered by a bar handle 8 is provided inside the leg shield 4, and a front wheel 11 is suspended from the lower end of the fork 9 via a front suspension 10.

A power unit 14 with a rear wheel 13 suspended at the rear thereof is pivoted at a support point 15 at the front end of a bracket 12 fixed to the main frame 2, and the power unit 14 extends above the support point 15 to the rear of the vehicle body. A partition plate 17 that defines the inside of the rear body 7 into front and rear parts is erected on the lower frame 16 that is disposed. The lower frame 16 is
Together with a frame member 29, which will be described later, the heavy frame of the present invention is configured, and the partition plate 17 corresponds to a support member of the present invention.

A seat 18 having a protruding part 18b at the rear of the passenger seat part 18a is arranged on the upper part of the rear body 7, and inside the rear body 7 covered by this seat 18, a large helmet is placed on the front side of the partition plate 17. One storage box is provided, and a fuel tank 21 is provided in the storage space 20 on the rear side.
and a battery 22 are provided.

The upper part of the helmet storage box 19 has a wide opening 19a that covers the entire passenger seat part 18a of the seat 18.
However, in the upper part of the accommodation space 20, there is also a passenger seat part 18a.
Openings 20a covered by the rear projections 18b are provided, and the helmet storage box 19 allows the helmet 23 to be easily taken in and taken out through the openings 19a.

The power unit 14 is configured by integrating an engine 24 and a transmission mechanism 25, and has traps such as an air cleaner 26 and a carburetor brake 27 assembled on the outside. A rear suspension 28 is connected to the upper rear end of the power unit 14 and supports the power unit 1 along with the aforementioned support point 15.
4 is supported in a substantially horizontal state in the longitudinal direction of the vehicle body.

A pair of frame members 29 are provided on the left and right sides of the engine 24.
．． 29 is arranged from the rear of the main frame 2 toward the rear of the vehicle body, and the bottom of the helmet storage box 19 is supported by the frame members 29, 29.

The rear suspension 28 that supports the rear side of the power unit 14 has an upper end attached to the lower part of the lower frame 16 on which the partition plate 17 is erected, and a lower end placed behind the power unit throat 14 (7) on the rear side of the axle of the rear wheel 13. They are connected to the upper end of the vehicle and are arranged at a slight incline in the longitudinal direction of the vehicle body.

Due to this sloping arrangement, the rear suspension 28 has a sufficient cushioning stroke to absorb vibrations caused by running the vehicle and shocks from the road surface while keeping its vertical height low, and expands and contracts in the vertical direction when driving. , the power unit 14 is allowed to swing around the support point 15 within the swing space below one helmet storage box and the storage space 20.

In addition, lower frame 16 and frame member 29.29
The helmet storage box 19 is placed as low as possible while ensuring a swing space above the power unit 14, and the bottom of the helmet storage box 19 is lowered to increase the capacity.
The rear wheel 13 is disposed above the bottom of the power unit 14 to provide sufficient swing space for the rear wheel 13 to swing.

In this embodiment, the rear body structure is composed of the rear cover 6, lower frame 16° frame members 29, 29, etc., and the above-mentioned power unit 14, seat 18, helmet storage box 19, and fuel tank 21 are constructed in this rear body structure. Supported.

The rear part of the lower frame 16 is a rear fender part 16a that curves and covers the lower rear wheel 13, and the battery 22 disposed on the upper surface of the rear fender part 16a is connected to a stay 30.
Further, the fuel tank 21 is screwed to the partition plate 17 and the rear cowl 6a so as to be close to the helmet storage box 19.

In order to secure a predetermined volume at a position close to the center of gravity of the vehicle, the fuel tank 21 has an upper portion provided with a cap 21a that protrudes into an internal space 18c recessed within a protrusion 18b of the seat 18, and a main body portion that is provided with a cap 21a. , is arranged to extend from a position close to the helmet storage box 19 to just in front of the stop lamp 31 in the rear cowl 6a.

By increasing the volume of the fuel tank 21 in the vertical direction in this way and effectively utilizing the dead space within the rear cowl 6a, the partition plate 17 is moved toward the rear of the vehicle body, and the distance from the partition plate 17 to the front side of the apoday 7 is reduced. A large-capacity helmet storage box 19 is secured inside.

One helmet storage box is provided with a lining 32 inside the rear cover 6 that surrounds both sides and the front. The front wall 19b of the helmet storage box 19, in which the rear cover 6 and the inner lining 32 are overlapped, rises from the rising portion 5 by tilting toward the front of the vehicle body, and further tilting toward the rear of the vehicle body when viewed from the side. The sheet 18 is formed in a dogleg shape, and at the upper end of the front wall 19b is a hinge 33 that covers the opening 19a of the helmet storage box 19 and the storage space 20 at the rear of the partition plate 17 in an openable and closable manner. It is supported by.

As described above, the seat 18 is formed in a size that covers the entire upper part of the rear body 7, and its outer circumference is supported outside the helmet storage box 19 and the storage space 20, and the rear end of the seat 18 is The load of the occupants in the vicinity is
Since the rear wheel 13 can be supported by the shortest distance between the partition plate 17 serving as a support member and the rear suspension 28,
The support structure can be simple, and although a large-capacity helmet storage box 19 and a fuel tank 21 are provided under the seat 18, the vehicle body can be made small and lightweight.

Further, a cover plate 34 having a protrusion 34a that protrudes toward one side of the box is provided at the bottom of the helmet storage box 19 located above the engine 24, and is removable with a screw 35. 34, the upper part of the engine 24 is opened, and the spark plug 36 and carburetor 2 can be accessed from inside the helmet storage box 19.
7, or maintenance of supplementary parts around the power unit such as the air cleaner 26 can be performed.

One helmet storage box configured as described above stores two helmets with visors worn while driving.
The visor 238 is housed in the front wall 19b that protrudes in a dogleg shape toward the front of the vehicle body, and the main body of the helmet 23 is guided by the protrusion 34a of the cover plate 34, and It is held stably towards the ground, and will not be damaged by vibrations even when riding with the parasenger's helmet stowed away.

The helmet 23 can be easily taken in and taken out through the opening 19a of the helmet storage box 19 by unlocking the seat 18 and opening the seat 18 using the hinge 33 as a fulcrum. Further, the front wall 19b of the helmet storage box 19 that projects upward from the step floor 3 is
Even if the legs of a seated rider are located at the rearmost part of the step floor 3, there is a dead space that does not come into contact with the shins of the lower legs and does not interfere with a free driving posture.

On the other hand, the cover plate 34 guides the helmet 23 stored in the helmet storage box 19 with its protrusion 34a as described above, and when the power unit 14 swings up and down, the head of the engine 24 The power unit 14 is accommodated within the protrusion 34a of the cover plate 34, and the rear wheel 13 is accommodated below the rear fender portion 16a, allowing the power unit 14 to swing.

In this embodiment, a large-capacity helmet storage box 19 and a fuel tank 21 are installed inside the rear body 7.
Even if the power unit 14 and rear suspension 28 are placed below the power unit 14 and the rear suspension 28, sufficient swing space and cushion stroke can be obtained, and the vibrations of the vehicle body and impacts from the road surface can be efficiently absorbed. Since it absorbs water, it does not affect the riding comfort.

Additionally, since the seat height can be kept low, the rider's footing is also good.

In this embodiment, the front wall of the helmet storage box has been described as having a double wall structure consisting of a rear cover and an inner lining, but the front wall of the present invention can also be formed of only the rear cover.

Additionally, the fuel tank may be stored in the front part of the helmet storage box. In this case, the tank volume can be gained within the front wall, so the front and rear of the fuel tank can be shortened. The rear helmet storage space can be expanded.

〔Effect of the invention〕

As described above, the present invention provides a power unit that integrates an engine and a transmission mechanism that transmits the output of the engine to rear wheels, a support point that supports the front part of the power unit, and a support point that supports the front part of the power unit. The vehicle comprises an extending vehicle body frame and a rear suspension that supports the rear part of the power unit in a vertically swingable manner, and a support member that supports the load near the rear end of the seat is erected on the vehicle body frame. Since the helmet storage box is placed close to the front side of the support member and the fuel tank is placed close to the rear side of this helmet storage box, a large capacity helmet storage box and fuel tank are secured at the front and rear of the support member. Below that, sufficient swing space for the power unit and cushion stroke for the rear suspension can be obtained, and the bottom of the fuel tank is placed above the bottom of the helmet storage box, so the rear wheels are placed above the rear of the power unit. It provides the necessary swing space for swinging, and can sufficiently absorb driving vibrations and impacts from the road surface. Moreover, since the seat height can be kept low, the rider's foot comfort is also excellent.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention, in which FIG. 1 is a partially sectional side view of a scooter, and FIG. 2 is a sectional view taken along the line 1--2 of FIG. 1... Scooter 2... Main frame 3.
・・Step floor 6・Rear cover 7・・
・Rear body 12...Bracket 13...
Rear wheel 14...Power unit 15...Support point 1
7... Partition plate serving as a supporting member 18... Sheet
One... Helmet storage box 19a...
Opening 19b...Front wall 21...Fuel tank
23... Helmet 23a... Visor
24...Engine 25...Transmission mechanism 28.
...2 rear suspensions...Frame member 32...Inner lining 34...Cover plate

Claims (1)

[Claims] 1. A power unit that integrates an engine and a transmission mechanism that transmits the output of the engine to rear wheels, a support point that supports the front part of the power unit, and an upward direction of the power unit from this support point. The vehicle body frame is provided with an extending vehicle body frame, and a rear suspension that supports the rear part of the power unit in a vertically swingable manner, and a support member that supports a load near the rear end of the seat is provided upright on the body frame, A helmet storage box is placed close to the front side of the member, a fuel tank is placed close to the rear side of the helmet storage box, and the bottom of the fuel tank is placed above the bottom of the helmet storage box. Two and three wheelers. 2. The two-wheel/tricycle vehicle according to claim 1, wherein an upper end of the rear suspension is connected to a vehicle body frame near the support member.