JP2002114185A - Storage box for small-sized vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the strength and rigidity of an approximately flat extension part, and widen a rear lower space of a small-sized vehicle to effectively utilize the space. SOLUTION: In the small-sized vehicle having a storage box 18 at a lower part of a seat 34, left and right frames 7 at a rear part of a vehicle body of the small-sized vehicle are upwardly inclined from a lower part of the vehicle body over a space from a central part to the rear part of the vehicle body, a grab rail turning a rear part of the seat 34 and rising to an upper part is integrally mounted on rear parts of the left and right frames 7, and an upwardly raised part is formed on the approximately flat extension part 19 backwardly extended from an upper opening of an accommodating part of the storage box 18.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a storage box for a small vehicle such as a scooter-type motorcycle or a motorcycle which steers a front wheel steering bar handle while sitting on a seat.

[0002]

2. Description of the Related Art In a small vehicle such as a scooter having a storage box capable of storing a large article such as a helmet and a grab rail, a seat is supported on an upper edge of the storage box. The storage box is fixed to the frame body.

[0003] The grab rail is attached to the frame body via a bracket at a rear portion thereof, and is fastened together with a partition plate integral with the storage box by bolts and nuts via another bracket at a front portion thereof. To the frame body.

[0004] The front portion of the sheet is supported by the upper edge of the storage box, but the rear portion of the sheet is separated from the partition and the grab rail integrated with the rear of the storage box. Does not bear the load.

Therefore, when a passenger sits on the rear portion of the seat, a large bending stress is generated in the seat in a direction in which the rear portion of the seat is bent downward, and the load applied to the seat is concentrated on the front portion of the seat. In order to prevent this, it is necessary to separately provide a receiving member that bears the load at the rear portion of the seat, and there is a problem that the number of parts increases.

[0006]

SUMMARY OF THE INVENTION The present invention relates to an improvement in a storage box for a small vehicle which overcomes the above-mentioned drawbacks. In the vehicle, the left and right frames of the rear body of the small vehicle are inclined upward from the lower part of the vehicle body from the center of the vehicle to the rear of the vehicle, and rise up at the rear of the left and right frames, bypassing the rear part of the seat. A grab rail is integrally mounted, and the rear of the seat is supported by left and right inwardly projecting portions of the grab rail,
A substantially flat extension extending rearward from an upper opening of the storage section of the storage box is provided with a protruding section that rises upward.

According to the first aspect of the present invention, the strength and rigidity of the substantially flat plate-like extension can be increased, the space below the rear portion of the small vehicle is widened, and this space is effectively used. Can be used for

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention shown in FIGS. 1 to 8 will be described below.

The power unit 2 mounted on the scooter type motorcycle 1 has an air-cooled internal combustion engine 3 whose cylinder head is directed slightly upward from the front, and a V-belt type which is directed rearward from the left side of the air-cooled internal combustion engine 3. The rear wheel 5 is integrally fitted to an output shaft (not shown) of the V-belt type continuously variable transmission 4 and the power unit 2 is air-cooled. A hanger 6 located above a crank portion of the internal combustion engine 3 is attached to a bracket 8 of the left and right rear frames 7 via a link 9 so as to be swingable up and down, and near a rear end of the V-belt type continuously variable transmission 4. Shock absorber 10
The rear wheels 5 are supported by the brackets 11 of the rear frame 7 through the
Thereby, the scooter type motorcycle 1 can run.

The left and right rear frames 7 are located near the front end of the air-cooled internal combustion engine 3 and in front of the bracket 11, and are integrally connected to each other by cross members 12 and 13. 7, a front end of a curved tail pipe 14 is integrally fitted to the rear end, a box stay 15 is integrally fixed to the front cross member 12, and the rear cross member 13 and the tail pipe 14 are fixed to the rear cross member 12. The tank stays 16 and 17 are integrally fixed.

Further, a rear portion of the helmet storage box 18 capable of storing a full-face type helmet (not shown) is extended rearward to form a tank cover 19, and an opening is formed at the bottom of the helmet storage box 18. The helmet storage box 18 is mounted on the box stay 15 and penetrates the box stay 15 from below to above. The tank cover is attached to the box stay 15 with bolts.
19, an opening 21 for exposing a tank cap 24 of a fuel tank 23 described below, as shown in FIG.
An upwardly protruding portion 22 is provided to avoid an electric signal extraction code of the fuel gauge 25 protruding upward from the upper surface of the fuel tank 23.

Further, as shown in FIG. 3, tank stays 27 protrude from the left and right rear frames 7 behind the rear cross member 13, as shown in FIGS. 3 and 5. The flange 26 formed on the upper outer periphery of the fuel tank 23 is in contact with the tank stay 16 of the rear cross member 13, the tank stay 17 of the tail pipe 14, and the tank stay 27 of the left and right rear frames 7, The fuel tank 23 is integrally attached to the left and right rear frames 7 with bolts (not shown) which are screwed into the tank stays 16, 17, 27 through the flange 26.

Further, as shown in FIG. 3, a front grab rail stay 28 is integrally provided on the left and right rear frames 7 at a position between the rear cross member 13 and the tank stay 27, and a tail is provided. A rear grab rail stay 41 is integrally attached to the pipe 14 upward, and the both ends mounting base 30 of the grab rail 29 penetrates the mounting base 30 from above to below as shown in FIGS. The front grab rail stay 28 is integrally attached to the front grab rail stay 28 by a bolt (not shown) screwed to the front grab rail stay 28, and a nut 43 is provided below a bolt 42 passing through the grab rail 29 and the rear grab rail stay 41. Is screwed, and a tank cover 19 integral with the helmet storage box 18 is provided at the tip of the left and right inwardly projecting support portion 31 of the grab rail 29.
Is mounted.

At the upper front end of the helmet storage box 18, a seat pivot 32 is formed as shown in FIGS.
A sheet support portion 33 is formed on the entire outer peripheral edge of the
The front end of the seat bottom plate 35 is pivotally attached to the seat pivot portion 32 so as to be vertically swingable, and a seal 38 is integrally fitted to an outer peripheral portion of the lower surface of the seat bottom plate 35 as shown in FIG. ing.

When the seat 34 is tilted down to lock a seat locking device (not shown), the helmet storage box 18 is hermetically sealed by a seat bottom plate 35 and a seal 38, and the seat 34 is attached to the outer peripheral portion of the seat bottom plate 35. Seat support of helmet storage box 18 via seal 38
It is supported by 33.

The sheet 34 has a padding on a sheet bottom plate 35.
36 is placed, and a sheet skin 37 is stretched on the upper surface thereof.

A rear body cover 40 is provided on the lower surface of the seat support portion 33 of the helmet storage box 18, and the outside of the rear frame 7 and the helmet storage box 18 is covered with the rear body cover 40. .

Since the embodiment shown in FIGS. 1 to 8 is constructed as described above, the bar handle 39 and the grab rail are held in a state where the sheet 34 is lowered and the sheet locking device (not shown) is locked. By holding the vehicle 29 with both hands and pushing it back and forth, the scooter-type motorcycle 1 can be turned around, and a stand (not shown) can be raised or lowered.

When the seat locking device is unlocked in the locked state, the seat 34 can be opened upward centering on the seat pivot 32 and the seat bottom plate 35 of the helmet storage box 18, and the helmet storage box 18 can be opened. A full-face type helmet (not shown) can be inserted into 18, or the full-face type helmet can be taken out from the helmet storage box 18, and the tank cap 24 of the fuel tank 23 is removed to refuel the fuel tank 23. Can do it.

If an opening is formed instead of the protruding portion 22, the fuel remaining amount of the fuel gauge 25 can be visually checked through the opening.

Further, in the state where the seat 34 is turned down and the seat locking device is locked, the seal 38 is attached over the entire outer periphery of the seat bottom plate 35, so that the inside of the helmet storage box 18 is kept airtight. Thus, even if the wind and rain of a horizontal flight sprays or the water jumping from the road surface hits the lower side surface of the seat 34, the water can be reliably prevented from entering the helmet storage box 18.

Further, since a cross member for supporting the tank cover 19 is unnecessary, if a bolt (not shown) screwed into the box stay 15 through the lower end of the front part of the helmet storage box 18 is removed, the helmet is removed. The storage box 18 is attached to the rear frame 7 of the scooter-type motorcycle 1.
The fuel tank 23 can be easily removed and replaced without being hindered by a member for supporting the tank cover 19.

Further, since the maintenance lid 20 is pivotally attached to the bottom of the helmet storage box 18 so as to be openable and closable, the air-cooled internal combustion engine 3 can be opened without opening the maintenance lid 20 without removing the helmet storage box 18. Maintenance and maintenance of an upper intake system (not shown) and accessories can be easily performed.

Further, since the tank cover 19 behind the helmet storage box 18 is supported by the inwardly protruding support portion 31 of the grab rail 29, a special stay for supporting the tank cover 19 is omitted. Reduce the number of parts,
Cost can be reduced.

Further, the lower end of the front part of the helmet storage box 18 and the left and right outer edges of the tank cover 19 are
The helmet storage box 18 and the tank cover 19 can be stably held because the helmet storage box 18 and the tank cover 19 are supported at three points by the and the left and right inwardly projecting support portions 31 of the grab rail 29.

Furthermore, the upper part of the fuel tank 23 is covered with a tank cover 19 behind the helmet storage box 18, and the tank cover 19 is covered with a seat bottom plate 35, and a grab rail 29 is arranged on the side of the overlapping portion. At the same time, since the rear body cover 40 covers the lower part of the superposed portion, the fuel tank
23 The upper part can be reliably blocked to improve the appearance.

The mounting base 30 of the grab rail 29 and the inwardly projecting support 31 may be formed as shown in FIG.

[Brief description of the drawings]

FIG. 1 is a side view of a scooter type motorcycle as a small vehicle having a support structure for a seat lower storage box according to the present invention.

FIG. 2 is an enlarged perspective view of a main part of FIG.

FIG. 3 is a longitudinal sectional side view of a rear part of the scooter type motorcycle cut through a center in a vehicle width direction of the scooter type motorcycle.

FIG. 4 is a plan view showing a state where a sheet is removed in FIG. 3;

FIG. 5 is a plan view showing a state where a helmet storage box and a tank cover are removed in FIG. 4;

FIG. 6 is an enlarged cross-sectional view of a main part cut along the line IV-IV in FIG. 4;

FIG. 7 is a plan view of a grab rail.

FIG. 8 is a rear view of the grab rail.

FIG. 9 is a perspective view of a main part of a grab rail according to another embodiment.

[Explanation of symbols]

1 ... scooter type motorcycle, 2 ... power unit, 3 ...
Air-cooled internal combustion engine, 4 V-belt continuously variable transmission, 5 rear wheels, 6 hanger, 7 rear frame, 8 bracket, 9 link, 10 shock absorber, 11 bracket, 12,
13 ... cross member, 14 ... tail pipe, 15 ... box stay, 16, 17 ... tank stay, 18 ... helmet storage box, 19 ... tank cover, 20 ... maintenance lid, 21 ...
Opening, 22 ... raised part, 23 ... fuel tank, 24 ... tank cap, 25 ... fuel gauge, 26 ... flange, 27 ... tank stay, 28 ... front grab rail stay, 29 ... grab rail,
30: mounting base, 31: inwardly projecting support, 32: seat pivot, 33: seat support, 34: seat, 35: seat bottom plate,
36 ... filling, 37 ... seat cover, 38 ... seal, 39 ... bar handle, 40 ... rear body cover, 41 ... rear grab rail stay, 42 ... bolt, 43 ... nut.

Claims (1)

[Claims] In a small vehicle having a storage box disposed below a seat, a left and right frame of a rear body of the small vehicle is inclined upward from a lower portion of the vehicle body from a center portion of the vehicle body to a rear portion of the vehicle body. At the rear, a grab rail that rises upward bypassing the rear of the seat is integrally mounted, and the rear of the seat is supported by left and right inwardly projecting portions of the grab rail, and a grab rail above the storage section of the storage box. A storage box for a small vehicle of a small vehicle, wherein a raised portion protruding upward is formed in a substantially flat plate-shaped extension portion extending rearward from the opening.