JPH037552B2 - - Google Patents

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, to a large-capacity helmet storage box that can store a helmet inside the rear body. Regarding the rear body structure that ensures the following.

[Conventional technology] In conventional motorcycles and tricycles such as scooters and family bikes, the helmet is hooked to a helmet holder on the vehicle body, but because the helmet is exposed and suspended outside the vehicle body, it is protected from rain and dust. Since there is a risk of the motorcycle being contaminated by dirt, 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 roughly hemispherical shape within the storage space whose upper part follows the internal contour of the helmet. A shaped fuel tank is provided, and a helmet is placed over the fuel tank so that the helmet is housed under the seat.

[Problem that the invention seeks to solve]

However, in the above-mentioned model, the helmet storage space and the fuel tank are located on the body frame far above the engine, which not only puts the seat in a high position but also makes it difficult to provide sufficient volume for the fuel tank. Also, putting in and taking out the helmet 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, causing vibrations in the vehicle body. This reduces the shock absorption performance and makes the ride uncomfortable.

SUMMARY OF THE INVENTION Therefore, the present invention aims to provide a motorcycle or tricycle that has sufficient swing space for the power unit and cushion stroke of the rear suspension, while also securing a large-capacity helmet storage box and fuel tank above the swing space. There is.

[Means for solving problems]

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, and a power unit that supports the front part of the power unit. The vehicle includes a support point, a vehicle body frame that extends above the power unit from the support point, and a rear suspension that supports the rear part of the power unit in a vertically swingable manner. A support member that supports nearby loads is erected, a helmet storage box is placed on the front side of the support 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 close to the helmet storage box. It is characterized by being placed above the bottom of the storage box.

[Effect]

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. The 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 integral with the power unit.

〔Example〕

Hereinafter, an embodiment in which the present invention is applied to a two-wheeled scooter will be described based on the drawings.

The scooter 1 has a leg shield 4 at the front of a step floor 3 provided on a low-floor main frame 2.
Furthermore, a rear body 7 surrounded by a rear cover 6 is provided at the rear of a rising part 5 continuous to the rear end of the step floor 3.

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

A power unit 1 with a rear wheel 13 suspended at the rear is mounted on a bracket 12 fixed to the main frame 2.
4 is pivoted at its front end to a support point 15, and the support point 1
5, a partition plate 17 that defines the inside of the rear body 7 into front and rear parts is erected on a lower frame 16 that extends above the power unit 14 and extends to the rear of the vehicle body. The lower frame 16 constitutes the vehicle body frame of the present invention together with a frame member 29 described later, 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 in the upper part of the rear body 7, and inside the rear body 7 covered by this seat 18, a large helmet is mounted on the front side of the partition plate 17. A storage box 19 is provided, and a fuel tank 21 and a battery 2 are provided in a storage space 20 on the rear side.
2 are arranged.

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, and the upper part of the storage space 20 has a wide opening part 19a that is covered by a protrusion 18b at the rear of the passenger seat part 18a. Openings 20a are respectively provided, and the helmet storage box 19 can be opened at the openings 19a.
The helmet 23 can be easily put in and taken out.

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

On the left and right sides of the engine 24, a pair of frame members 29, 29 are 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 connected to the frame members 29, 29.
It is supported by 9.

A rear suspension 28 that supports the rear side of the power unit 14 has its upper end connected to the lower part of the lower frame 16 on which the partition plate 17 stands, and its lower end connected to the rear wheel 13.
The power unit 14 is connected to the upper rear end of the power unit 14 on the rear side of the axle, and is arranged slightly inclined in the longitudinal direction of the vehicle body.

Due to this sloping arrangement, the rear suspension 28 has a suspension stroke sufficient to absorb vibrations generated in the vehicle body and shocks from the road surface while suppressing its vertical height. It expands and contracts to allow the power unit 14 to swing around the support point 15 within the swing space below the helmet storage box 19 and storage space 20.

In addition, lower frame 16 and frame member 2
9 and 29 are also placed as low as possible while ensuring swing space above the power unit 14.The bottom of the helmet storage box 19 is lowered to increase capacity, and the bottom of the storage space 20 is It is arranged above the bottom of the helmet storage box 19 to obtain sufficient swing space for the swinging of the rear wheel 13 above the rear part of the power unit 14.

In this embodiment, a rear cover 6, a lower frame 1
6, frame members 29, 29, etc. constitute a rear body structure, and the above-mentioned power unit 14, seat 18, helmet storage box 19, and fuel tank 21 are supported by this rear body structure.

The rear part of the lower frame 16 is a rear fender part 16a that curves and covers the lower rear wheel 13. A battery 22 disposed on the upper surface of the rear fender part 16a is supported by a stay 30, and a fuel tank 21 is , are 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. , from a position close to the helmet storage box 19,
It is arranged to extend to the front of the stop lamp 31 inside 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 can be moved toward the rear of the vehicle body, and the partition plate 17 can be moved from the partition plate 17 to the rear body 7 on the front side. A large-capacity helmet storage box 19 is secured inside.

The helmet storage box 19 is provided with a lining 32 on the inside of the rear cover 6, which surrounds both sides and the front. Rear cover 6 and inner lining 32
Helmet storage box 19 with overlapping
The front wall 19b is formed in a dogleg shape when viewed from the side, and is formed in a dogleg shape in side view. includes an opening 19a of the helmet storage box 19 and a partition plate 1.
The seat 18, which covers the storage space 20 at the rear portion 7 in an openable and closable manner, is pivotally supported by a hinge 33.

As mentioned above, the seat 18 is formed in a size that covers the entire upper part of the rear body 7, and its outer periphery is used for the helmet storage box 19 and the storage space 2.
0, and the load of the occupant near the rear end of the seat 18 can be supported by the rear wheel 13 at the shortest distance between the partition plate 17 and the rear suspension 28, which serve as supporting members. Therefore, the support structure is simple, and a large-capacity helmet storage box 19 and a fuel tank 2 are installed under the seat 18.
1, the vehicle body can be made smaller and lighter.

Further, a helmet storage box 19 is located at the bottom of the helmet storage box 19 located above the engine 24.
A cover plate 34 having a protrusion 34a protruding to the side is removably provided with a screw 35, and when the cover plate 34 is removed, the engine 2
The upper part of 4 is open, and the helmet storage box 19
From inside, maintenance of auxiliary equipment around the power unit such as the spark plug 36, carburetor 27, or air cleaner 26 can be performed.

The helmet storage box 19 configured as described above can store a helmet 23 with a visor that is worn while driving.
is a front wall 19b that protrudes in a dogleg shape toward the front of the vehicle body.
The main body of the helmet 23 is guided by the protrusion 34a of the cover plate 34 and is stably held toward the front of the vehicle body, so that it is protected from vibrations even when driving with the passenger helmet stored. It won't cause any damage.

To put in and take out the helmet 23, use the seat 18.
Unlock the seat 1 using the hinge 33 as the fulcrum.
This can be done easily by opening 8 and opening 19a of helmet storage box 19. Also,
The front wall 19b of the helmet storage box 19, which protrudes upward from the step floor 3, is a dead space where the legs of a seated rider do not come into contact with the shins of their lower legs even if they are positioned at the rearmost part of the step floor 3, allowing for free driving. Does not interfere with posture.

On the other hand, the cover plate 34 has its protrusion 34a
In addition to guiding the helmet 23 stored in the helmet storage box 19 as described above, when the power unit 14 swings up and down,
The head of the engine 24 is housed within the protrusion 34a of the cover plate 34, and the rear fender section 16
The rear wheel 13 is housed below a, and the power unit 14 is allowed to swing.

In this embodiment, the rear body 7
While securing a large-capacity helmet storage box 19 and fuel tank 21 inside, below it,
Even if the power unit 14 and rear suspension 28 are installed, sufficient swing space and cushion stroke can be obtained, and vehicle body vibrations and shocks from the road surface can be efficiently absorbed.
Does not impair riding comfort.

Additionally, since the seat height can be kept low, the rider's feet are easily placed.

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 length 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 power unit that connects the power unit from this support point. The vehicle includes a body frame that extends upward, 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 body frame. A large-capacity helmet storage box and a fuel tank can be placed at the front and rear of the support member. While ensuring sufficient swing space for the power unit and cushion stroke for the rear suspension, the bottom of the fuel tank is located above the bottom of the helmet storage box, so the power unit The swing space necessary for the rear wheels to swing is provided above the rear, and it is possible to sufficiently absorb driving vibrations and road impacts. Moreover, since the seat height is kept low, the rider's footing is also excellent.

[Brief explanation of drawings]

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 cross-sectional view taken from FIG. 1. 1...Scooter, 2...Mainframe, 3...
...Step floor, 6...Rear cover, 7...Rear body, 12...Bracket, 13...Rear wheel,
14...Power unit, 15...Support point, 17
... Partition plate serving as a support member, 18 ... Sheet, 1
9... Helmet storage box, 19a... Opening, 19b... Front wall, 21... Fuel tank, 2
3... Helmet, 23a... Visor, 24...
...Engine, 25...Transmission mechanism, 28...Rear suspension, 29...Frame member, 32
...Inner lining, 34...Cover plate.

Claims (1)

[Scope of Claims] 1. 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 that supports the front part of the power unit, and a support point that supports the front part of the power unit. The vehicle includes a vehicle body frame that extends upward, 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 provided upright on the vehicle body frame. A helmet storage box is arranged close to the front side of the support member, and a fuel tank is arranged close to the rear side of the helmet storage box, and the bottom of the fuel tank is arranged above the bottom of the helmet storage box. Characteristic motorcycles and tricycles. 2. The motorcycle or tricycle according to claim 1, wherein an upper end of the rear suspension is connected to a vehicle body frame near the support member.