JPS638085A - Fender fixture for saddling type car - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed Description of the Invention] [Object of the Invention] (Industrial Application Field) The present invention relates to a fender attachment device for a straddle-type vehicle for traveling on rough terrain, and particularly for a fender attachment device for a three-wheeled or four-wheeled vehicle for traveling on rough terrain. The present invention relates to a fender attachment device with an improved attachment structure for a wheel house.

(Prior Art) In general, this type of saddle type vehicle for traveling on rough terrain has a body frame 1 as shown in FIG. , seven rear reinforcements 3 are respectively attached to the rear part of the vehicle body frame in the width direction of the vehicle body. The fender reinforcement rear 3 is collinear with the rear grip 4 at tUa; of the vehicle body frame 1,
The vehicle body frame 1 has a front fender (not shown)
Then, the rear fender 5 is bolted and installed.

Among these, the rear fender 5 is bolted to the vehicle body frame 1 at four points in the center of the fender, while fender reinforcements are installed at the front 2 and rear 3 b< to prevent deformation of the fender wheel house parts 5 a and 5 b.
However, the fender reinforcement front 2 and rear 3 are installed in the width direction of the heavy body, and the fender wheel house portions 5a, 5b and their surroundings are
It is supported by spots as shown in Figures J3 and 9.

Therefore, the wheel house portion 5a of the rear fender 5.

5b is not always sufficient, and the rear fender 5 often depends on the rigidity of the fender itself, which poses a problem in terms of strength.

(Problem to be Solved by the Invention) When cornering, a vehicle traveling on rough terrain moves its center of gravity, so the driver may move his body.
a, 5b are suppressed and deformed, and the wheel house portions 5a, 5b are
contact with the tire, wheel house parts 5a, 5b
The strength of the base was weak, and there was a risk that the base indicated by the dashed line A would break or break.

This invention was made in consideration of the above-mentioned circumstances, and by improving the support structure of the fender wheel house part, the rigidity and strength of the wheel house part are improved, and the damage and breakage of the wheel house part is effectively prevented. An object of the present invention is to provide a fender attachment device for a straddle-type vehicle.

Another object of the present invention is to provide a fender attachment device for a straddle-type vehicle that can be made more compact by reducing the thickness of the model wall of the fender wheel house and by reducing the clearance between the wheel house and the tire. There is something to do.

(Structure of the Invention) (Means for Solving the Problems) In order to achieve the above-mentioned object, a fender attachment device for a straddle-type vehicle according to the present invention includes fender reinforcement on both sides of the rear part of the vehicle body frame. It is attached in the longitudinal direction of the vehicle body, and the wheel house portion of the fender is supported by the front and rear ends of the fender reinforcement.

(Function) The fender attachment device for a straddle-type vehicle according to the present invention covers the body frame of a three-wheeled or four-wheeled vehicle for traveling on rough terrain with a fender from above, and also attaches fender reinforcements to both rear sides of the body frame. The fender wheel house part is supported by the @ end and UIG part of this fender reinforcement, and the fender wheel house part is supported in the longitudinal direction of the fender reinforcement, thereby increasing the rigidity of the wheel house part. It is designed to improve strength.

(Embodiment) Hereinafter, an embodiment of a fender attachment device for a straddle-type vehicle according to the present invention will be described with reference to the accompanying drawings.

FIG. 1 shows a body frame 10 of a straddle-type four-wheeled vehicle (or a three-wheeled vehicle) for traveling on rough terrain, and this body frame 10 has a front fender (not shown) and a rear fender 11. Installed. As shown in FIGS. 2 and 3, the rear fender 11 is, for example, placed over the top of the vehicle body frame 10 at four points in the center and bolted, while wheel house portions 11a and 11b are integrally or integrally mounted on both sides of the rear fender 11. has earned a billion yen.

At the rear of the vehicle body frame 10, a substantially mouth-shaped rasper grip 12 is fixed with a tightening bolt 13 or the like. Support arms 15 projecting from both left and right sides are attached to the V-glyph block 12 by welding or the like. The support arm 15 is made of a pipe or the like, and a mounting bracket 16 is provided at the tip thereof.

Further, a seat support bracket 18 is fixed to the mounting bracket 16 of the support arm 15 by welding or the like. The bracket 18 rises above the free end of the support arm 15 and has a mounting seat formed at its top, to which a seat (not shown) such as a T-shaped bone seat is mounted. By attaching the seat to the rear grip 12 in this way, the rear grip 12 can share the responsibility of attaching the seat, reducing the number of parts to be attached to the vehicle body frame 10, and increasing the versatility of the rear grip 12. 4! ? At the same time, the ease of assembling the vehicle body frame 10 and, ultimately, the ease of assembling the vehicle body frame 10 is improved.

Further, the center portion of a fender reinforcement 20 made of a pipe material or the like is attached to the attachment bracket 16 of the support arm 15 by tightening bolts or the like. A welding nut 21 is fixed to the center of the fender reinforcement 20 by welding or the like. The fender reinforcement 20 extends substantially in the longitudinal direction of the vehicle body, and a highly elastic cushioning material 23 is provided at the front and rear ends of the fender reinforcement 20, as shown in FIGS. 4 and 5. The front lower part and the rear upper surface of the fender wheel house parts 11a and 11b are supported through the material 23. The cushion material 23 is prevented from falling off by crushing the tip of the fender reinforcement 20 and fitting it into a mounting hole 24 formed in the crushed portion.

Next, the fender rejuvenation effect will be explained.

Before attaching a rear fender 11 to a vehicle body frame 10, a support arm 15 is provided at the rear of the vehicle body frame 10, and a fender grip 12 is fixed by bolting or the like. A mounting bracket 16 and a seat support bracket 18 are provided at the distal end of the support arm 15. Furthermore, a welding nut (bracket) 21 is fixed in advance to the center of the fender reinforcement 20.

Next, place the rear fender 11 on the vehicle body frame 10, and tighten the welding nuts 21 of the fender reinforcement 20.
Align it with the mounting bracket 16 and tighten the tightening bolt 25.
As shown in FIG. 6, a tightening bolt 25 is inserted through a through hole 26 formed in the A7 fender 11 and tightened together. In addition, the code|symbol 27 is a burring washer. At this time, the rear fender 11 is fastened together with the fender reinforcement 20 and the mounting bracket 16, and the center portion of the rear fender 11 is directly bolted to the vehicle body frame 10.

Furthermore, the front and rear ends of the fender reinforcement 20 are resiliently supported by contacting the fender wheel house portions 11a and Ilb via the cushioning material 23.

In addition, in one embodiment of the present invention, an example was explained in which the fender reinforcement handler and the fender were fastened together to the mounting bracket of the V-grip, but as shown in FIG. 7, the rear fender 11A and the fender reinforcement 2OA does not have to be tightened together. In this case, the fender holder is a bracket (the fender holder is a bolt) 3 on the free end of the support arm 15A of the rear grip 12A.
0 is provided, and the rear fender 11A is attached to this bracket 30.
While fixing the support arm 15 by bolting or the like,
A mounting bracket 16A is installed at A, and the mounting bracket 16A is fixed to the welding bracket 21Δ of the fender reinforcement 2OA by tightening with a tightening bolt 31 or the like.

Further, in one embodiment of the present invention, an example has been described in which the fender reinforcement is attached to the rear grip, but the fender reinforcement may be attached directly to both rear sides of the vehicle body frame.

[Effects of the Invention] As described above, the fender attachment device for a straddle-type vehicle according to the present invention attaches fender reinforcements in the longitudinal direction of the vehicle body to both rear sides of the vehicle body frame. Since the wheel house section of the fender is supported at the front and rear ends, the rigidity and strength of the wheel house section can be significantly increased.
Damage or breakage of the fender wheel house can be effectively prevented.

In addition, the rigidity and strength of the fender wheel house section can be significantly increased, making it possible to reduce the standard wall thickness of the wheel house section, thereby reducing costs (as well as increasing the rigidity of the wheel house section). According to
Designed the clearance between the wheel house and the tire.
It is possible to make F small≦, and it is possible to achieve compactness.

[Brief explanation of drawings]

FIG. 1 is a perspective view showing an embodiment of a fender attachment device for a straddle-type vehicle according to the present invention, FIG. 2 is a perspective view showing a V-fender placed over a vehicle body frame, and FIG. 3 is a perspective view showing a vehicle body frame. A partial cross-sectional view showing the fixation relationship with Toriya Fender,
FIG. 4 is a view showing the end of the fender reinforcement supporting the fender wheel house, and FIG. 5 is the V-vI of FIG. 4! FIG. 6 is a partial sectional view showing a state in which the beam fender and fender reinforcement are collinear with the mounting bracket of the rear grip; FIG. 7 is a partial perspective view showing a modification of the present invention; Figure 8 is a diagram showing a conventional fender attachment device for a straddle-type vehicle;
The figure is a perspective view of a rear fender supported by a conventional fender attachment device. 10...Vehicle frame, 11.11A...Rear fender, 11a, 11b...Wheel house portion, 12
．． 12A...Rear grip, 15.15A...Support arm, 16...Mounting bracket, 18...Seat holder is bracket, 20.20A...Fender reinforcement, 21.21A...Welding Nut (bracket), 23...Cushion material, 25...Tightening nut. $ 2 ν Fig. 3 No. 6 $ 9 Fig.

Claims (1)

[Claims] 1. Fender reinforcements are attached to both rear sides of the vehicle body frame in the longitudinal direction of the vehicle body, and the wheel house portion of the fender is supported at the front and rear ends of the fender reinforcements. fender attachment device for straddle-type vehicles. 2. The fender attachment device for a saddle type vehicle according to claim 1, wherein a rear grip is fixed to the rear part of the vehicle body frame, and fender reinforcements are fixed to both sides of the rear grip.