JPH02197480A - Front fender mounting device for motorcycle - Google Patents

Abstract

PURPOSE:To enable a front fender to form its width fully of the width between outer tubes by protrusively providing in a pair of the right and left outer tubes of a front fork a mounting seat opposing facing to it the front fender and forming its part into a shape almost corresponding to the shape of the mounting seat. CONSTITUTION:A front fender 22 is arranged between a pair of right and left outer tubes 12 of a front fork, and the front fender 22, in a part of its center 48, is mounted to the lower surface of a connection member 24 connecting upper end parts of the paired outer tubes 12. In the part of this center 48, a riseup part 50 and a recessed part 52, dropping to the lower from the riseup part 50, are formed. part of the front fender 22, opposed facing to a mounting seat 26 protrusively provided in the outer tube 10, is formed to a shape almost corresponding to the shape of the mounting seat 26 and provided with a lower hanging part 22a positioned holding a small space between the mounting seat 26 and an end face 26b, connection part 22b extended to the outer continuing to this part 22a and a part positioned approaching a position before and after a protruding part of the mounting seat 26.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a front fender attachment device for a motorcycle.

Conventional motorcycle front fender attachment devices include the front side of the left and right outer tubes of the front fork and (
or) a mounting seat is provided protruding from the rear side, a connecting member is spanned between the mounting seats, a bolt is passed through the bolt hole of the connecting member from above, and the bolt is screwed into the screw hole of the mounting seat. Some have a connecting member fixed to a mounting seat and a front fender fixed to the lower surface of the connecting member.

The conventional front fender mounting device described above has seven mounting seats.
Since it is provided on the front or rear side of the upholstery, the connecting member that spans between the mounting seats becomes long, which has the disadvantage of impairing the appearance of the mounting device. In addition, if a mounting seat is provided protruding from the wheel-side portion of the outer tube, and the connecting member is fixed by being bridged between the mounting seats with both ends touching the top surface of the mounting seat, the connecting member can be shortened. However, the mounting seat protruding from the outer tube toward the wheel gets in the way and limits the shape of the front fender.

The present invention has been made in view of the above circumstances, and includes mounting seats protruding from the wheel-side portions of the left and right outer tubes of the front fork, each of which has an upper surface, an end surface facing each other, and a lower surface. provided, the connecting member is bridged and fixed between the mounting seats with both ends thereof touching the upper surface of the mounting seat,
In a front fender mounting device in which a front fender is attached to the lower surface of a connecting member between mounting seats, the part of the front fender that faces the mounting seat protruding from the outer tube is positioned with a small distance between it and the end surface. a hanging part, and a joint that extends below the hanging part continuously and a little downward from the lower surface of the mounting seat, and whose outer edge is located close to the wheel side surface of the outer tube. The shape of the mounting seat substantially corresponds to the shape of the mounting seat.

Therefore, in the device of the present invention, since the part of the front fender that faces the mounting seat protruding from the outer tube has a shape that approximately corresponds to the shape of the mounting seat, it is possible to increase the amount of protrusion of the mounting seat, Even if the thickness of the seat is increased, the width of the front fender can be made the full width between the outer tubes, and the connecting member, the mounting seat, the front fender, etc. can be given an integrated appearance.

DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the front fender attachment device for a motorcycle according to the present invention will be described in detail below with reference to the accompanying drawings.

As shown in FIG. 1, the front fork 10 is formed to face the left and right sides of the front wheel, and the front fork 10 is
Each includes an outer tube 12 and an inner tube 14 slidably disposed within the outer tube 12,
A buffer device (not shown) for buffer absorption is arranged between the outer tube 12 and the inner tube 14. An upper bracket 16 is attached to the upper end of the inner tube 14, and a lower bracket 18 is attached below the upper bracket 16. A steering shaft (not shown) is attached to the upper bracket 16 and the lower bracket 18, and this steering shaft is rotatably disposed within a head vibe 20 that constitutes a frame on the vehicle body side. Further, a front fender 22 is arranged between the outer tubes 12 of the pair of left and right front forks 10.

As shown in Figures 2 to 5, the front fork 1
A connecting member 24 is fixed to the upper end of the pair of outer tubes 12 forming part of the front fork 10 in order to connect them and increase the rigidity of the front fork 10.

The connecting member 24 is composed of a plate-shaped member with high rigidity,
As shown in FIG. 3, both ends in the vehicle width direction are shaped to include semicircular concave portions 36 along the wheel-side surface of the outer tube 12. As shown in FIG. The concave portions 36 of the connecting member 24 are such that when the connecting member 24 is placed on the upper surface of the mounting seats 26 (described later) and bridged between the mounting seats 26, the concave portions 36 of the connecting member 24 touch the surface of the outer tube 12, respectively. The rear end of the connecting member 24 has a flat surface that engages to regulate the position of the connecting member 24 with respect to the mounting seat 26 of the outer tube 12, and that facilitates tightening of the nut 74 that attaches the front fender 22. A stepped portion 38 is formed.

As shown in FIG. 4, in the upper part of the outer tube 12,
Mounting seat 26 on the wheel side, that is, the side facing the front wheel.
are formed, and the mounting seat 26 protrudes toward the wheel side, and has an upper surface 26a, an end surface 26b facing each other, and a lower surface 2.
6c, with front and rear surfaces.

The connecting member 24 is provided with a tightening portion 28 at both ends thereof, and the lower surface of the tightening portion 28 is formed with a flat surface that contacts the upper surface 26a of the mounting seat 26 and a recessed portion. For this tightening, there is a bolt hole 30 formed through the mounting seat 26 in the part 28.
A tapped hole 32 is formed at a position corresponding to . To tighten the connecting member 24, place the portion 28 against the upper surface 26a of the mounting seat 26 and bridge the connecting member 24 between the mounting seats 26.
connection member 24 to the mounting seat 26;
The position of the screw hole 32 of the tightening part 28 is automatically regulated.
corresponds to the 3° bolt hole of the mounting seat 26. After that, the bolt 34 is passed through the bolt hole 3o of the mounting seat 26 from the lower surface 26c side of the mounting seat 26, and this bolt 34 is screwed into the screw hole 32 of the connecting member 24.
8 to the mounting seat 26.

The front fender 22 has a front end 40 and a rear end 42 tapered as shown in FIG.
2 and increases the support rigidity of the front fender 22.

A plurality of rectangular through holes 46 are formed in this support portion 44 at equal intervals. The front fender 22 is attached to the lower surface of the connecting member 24 at a central portion 48 thereof.

As shown in FIG. 2, the front fender 22 has a rising portion 50 formed on the front side of the upper surface of the center portion 48, and a recessed portion 52 with a substantially flat surface is formed downward from the rising portion 50. has been done. A rising portion 54 is also provided on the rear side of the upper surface of the center portion 48 of the front fender 22.
is formed, and its rising portion 54 falls downward and is connected to the recessed portion 52 similarly to the above-mentioned rising portion 50. Therefore, the recessed portion 52 is the rising portion 50.
．． 54, and this recess 52 allows the connecting member 24 to fit therein.

In a state where the recess 52 of the central part 48 of the front fender 22 is fitted into the connecting member 24 between the mounting seats 26 and fixed, the portion of the front fender 22 facing the mounting seat 26 protruding from the outer tube 10 is in the fifth position. As shown in the figure,
A hanging portion 22a is located with a small distance between it and the end surface 26b, and a hanging portion 22a is located below the hanging portion 22a and extends outwardly at a distance slightly downward from the lower surface 26c of the mounting seat. The mounting seat 26 includes a connecting portion 22b whose outer edge is located close to the wheel-side surface of the outer tube, and a portion located close to the front and rear surfaces of the protruding portion of the mounting seat 26.
The shape substantially corresponds to the shape of 6. The end edge of the connecting portion 22b is continuous with the outer tube 1.
It is provided with a heavy lower edge portion 22c that is close to the wheel side surface of o and extends downward along this.

As shown in FIGS. 2 and 4, the front fender 2
A bracket 56 is fixed to the back side of the recess 52 of No. 2. This bracket 56 is attached to the recess 5 of the front fender 22.
A contact portion 5 formed in a substantially flat shape along the back surface of 2.
8 and a holder part 60 hanging downward from the rear end of this contact part 58, and this holder part 60 is connected to a brake hose 9 of a disc brake device as described later.
It is designed to hold 0. The bracket 56 is fixed to the back surface of the recess 52 of the front fender 22 by a rivet 62 at approximately the center of the contact portion 58 thereof. on both sides of the bracket 56.

As shown in FIG. 4, bolt holes 66 are formed, and bolt holes 68 are similarly formed at positions corresponding to the bolt holes 66 on both sides of the recess 52 of the front fender 22, and also on both sides of the connecting member 24. A bolt hole 70 corresponding to bolt hole 66 is formed. A bolt 72 is inserted from below into the bolt hole 66 of the bracket 56, the bolt hole 68 of the front fender 22, and the bolt hole 70 of the connecting member 24, and a cap nut 74 is screwed into the upper end of the bolt 72, and the front fender 22 is fixed to the lower surface of the connecting member 24.

As shown in FIGS. 2 and 3, the bracket 56 has a width in the longitudinal direction of the vehicle that is longer than the width of the connecting member 24, supports the front fender 22 at its front and rear ends, and increases the support rigidity of the front fender 22. It's supposed to increase. Note that a seat 76 is formed protruding around the bolt hole 70 of the step portion 38 of the connecting member 24 so that the nut 74 is stabilized.

As shown in FIGS. 2 and 4, the outer tube 12
Seats 78.78 for mounting the brake caliper are formed at predetermined intervals near the lower end of the seat 78.78, and the brake caliper 80 of the disc brake device is mounted on the seat 78.78 with bolts 82.78.
82. *As shown in FIG. 4, a bracket 84 bent in a U-shape so that its central portion protrudes outward is fastened together with bolts 82 to the mounting seats 78 and 78 of the brake caliper 80. Fixed. The end of the support portion 44 of the front fender 22 is attached to the U-shaped bent portion 86 of the bracket 84 with a screw 88.
Fixed by Further, the brake hose 90 has its lower end connected to a joint part 92 of the brake caliper 80, its upper end connected to a mask cylinder of a brake lever (not shown), and is further supported by the holder part 60 of the bracket 56 in the middle thereof. . That is, a substantially semicircular bent portion 94 is formed at the end of the holder portion 60 of the bracket 56, and this bent portion 94 grips the brake hose 90. As shown in FIG. 3, the holder portions 60 are formed on both sides in the vehicle width direction and are configured to be applicable to a double disc brake device. Note that a member indicated by the reference numeral 96 is a brake disc that is compressed by pads within the brake caliper 80.

In the above embodiment, the rear end portion 4 of the front fender 22
A support part 44 is provided on the 2nd side, and this support part 44 is attached to a bracket 84 fixed to the mounting seat 78 of the brake caliper 80.
However, in the front fender 22, the support portion 44 is not essential, and the support portion 44 is fixed to the front fender 22.
In the case of a front fender that is not provided with a front fender, it is sufficient to simply fix the front fender to the lower surface of the connecting member 24.

According to the front fender attachment device for a motorcycle according to the embodiment, the front fender 22 has a concave portion 52 in the center portion 48 thereof.
is inserted into the connecting member 24 between the mounting seats 26, and the connecting member 2
4 with bolts 72 and cap nuts 74, the connecting member 24 and the front fender 22 appear to be integrally formed, which is cleaner than a front fender mounting device that uses a conventional connecting member. It has the effect of giving a beautiful appearance.

The front fender attachment device for a motorcycle according to the present invention is such that the part of the front fender that faces the attachment seat protruding from the outer tube is formed into a shape that substantially corresponds to the shape of the attachment seat. Even if the amount is increased or the thickness of the mounting seat is increased, the width of the front fender can be formed to the full width between the outer tubes. Furthermore, since the connecting member, the mounting seat, the front fender, and other parts have a unified appearance, these parts have the effect of making these parts look neat and beautiful.

[Brief explanation of the drawing]

FIG. 1 is a side view schematically showing the front half of a motorcycle to which the front fender mounting device of the embodiment is attached, and FIGS. 2 to 5 show the front fender mounting device of the embodiment. 3 is a side view showing a part of the embodiment in cross section, and FIG. 3 is a plan view of the embodiment in cross section, looking in the direction of the arrow of the line ■-■ in FIG. 2. , 4th
This figure is a front view of the embodiment taken along the line rV-rV in FIG. 3 and viewed in the direction of the arrow, and FIG. 5 is a front view showing the main parts of FIG. 4. In the figure, 10 is a front fork, 12 is an outer tube, 22 is a front fender, 22a is a hanging part, 22b is a connecting part, 22c is a hanging edge, 24 is a connecting member, 26 is a mounting seat, and 26a is the top surface of the mounting seat , 26b is the end surface of the mounting seat,
26c is the lower surface of the mounting seat, 30 is a bolt hole, 32 is a screw hole, 34 is a bolt, 36 is a concave portion on the end surface of the connecting member, 52
is a recess in the front fender, 72 is a bolt, and 74 is a nut. Patent Applicant: Yamaha Motor Co., Ltd.

Claims (1)

[Claims] 1. Mounting seats are provided protruding from the wheel side portions of the left and right outer tubes of the front fork, and the mounting seats are located on the top surface,
A front fender installation in which the connecting member has an end face and a lower face facing each other, and the connecting member is bridged and fixed between the mounting seats with both ends touching the upper surface of the mounting seats, and the front fender is attached to the lower face of the connecting member between the mounting seats. In the device, the part of the front fender that faces the mounting seat protruding from the outer tube has a hanging part located with a small distance between it and the end face, and a mounting seat continuous to the hanging part below the hanging part. and a connecting part that extends slightly downward from the lower surface and has an outer edge located close to the wheel-side surface of the outer tube, so as to approximately correspond to the shape of the mounting seat. A front fender mounting device for a motorcycle, characterized by: