JP3005999B2 - Front fender device for motorcycle - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial application field) The present invention relates to a front fender device for a motorcycle in which almost the entire body is covered with a cover.

(Conventional technology) In many cases, a front fender of a motorcycle has a width passing between left and right front forks and is arranged along an upper edge portion of a front wheel. In some cases, the front wheel is separated by a buffer stroke.

If the front fender is extended from the front of the body like a scooter, the wheels will turn relatively, so the front fender will be wide, but if it is attached to the front fork and moves integrally It is set to cover the wheel periphery with the minimum width and depth required for mudguard.

However, there are motorcycles that enjoy high-speed running or touring, in which most of the vehicle body is hidden by a leg shield or a rear trunk cover.

In such a motorcycle, it is difficult to use a conventional front fender because of the balance of appearance, and there is a demand for a thick and deep front fender that covers the front wheel upper half together with the front fork.

(Problems to be Solved by the Invention) The present invention has been made to satisfy the above-mentioned requirements, and can cover a front fender moving integrally with a front fork with an upper half portion of a front wheel and a lower end portion of a front fork. It is an object of the present invention to obtain a front fender device for a motorcycle which is easy to manufacture and assemble after setting the size.

[Configuration of the invention]

(Means for Solving the Problems) A CFC of a motorcycle according to the present invention includes:
In order to solve the above-described problem, in a motorcycle in which most of the vehicle body is covered with a cover, a front fender large enough to cover an upper half of a front wheel including a front fork is vertically extended along the front fork. The split fender is provided with a pair of left and right notch holes formed above the split edge of the split fender, and the split fender thus formed is put on the front wheel upper half from the front and rear, and the left and right front forks are provided. A configuration in which the upper portion of the front fender is sandwiched by the notch hole, and is further provided so as to cover the front wheel by bridging a bracket between left and right front forks, and the bracket covers a united portion of the front fender from below. It was done.

(Action) The wide, deep front fender is thus mounted so that it can turn integrally with the front wheel by extremely simple work, concealing the upper half of the front wheel and the lower part of the front fork, and covering most of the body with the cover. Give the covered motorcycle a well-balanced appearance.

(Embodiment) A description will be given below with reference to the drawings showing an embodiment of the present invention.

FIGS. 1 and 2 are a side view and a plan view of a motorcycle having a front fender device according to an embodiment of the present invention.

A front wheel 1 steered by a steering wheel 3 and a rear wheel 2 driven by an engine unit 4 mounted in the center are arranged in front and rear, and a large part of the vehicle body is frontward from the rear of the front wheel 1 to the rear of the rear wheel 2. The external appearance is covered with the cover 5 and the rear trunk cover 6.

That is, the article storage box 8, the seat 9, and the pillion seat 10 are arranged substantially horizontally behind the head pipe 7 supporting the front wheel 1, and both sides of the front of the engine unit 4 below the lower edge of the front half of the article storage box 8. , A front cover 5 having a leg shield 11 formed on a front edge thereof covers the engine unit 4 from the rear edge of the article storage box 8, the seat 9, and the lower edge of the pillion seat 10. A rear trunk cover 6 bulging greatly on both sides over both sides of the rear part and the upper half of the rear wheel 2.
Covers.

The front fender 12 also covers the upper half of the front wheel 1, and only part of the lower half of the front and rear wheels 1 and 2 and part of the engine unit 4 are exposed when viewed from the side. A central portion of the handle 3 is covered with a headlamp housing 15 in which a headlamp 13 and meters 14 are incorporated.

16 is a footrest attached to the engine unit 4, 17 is a trunk lid provided on a rear trunk cover,
18 is a pillion footrest that can be stored.

 The internal frame structure is shown in FIG. 6 and FIG.

First, the front part of the frame that supports the head pipe 7 is composed of an upper tube 19 and an under tube 20 that are vertically stacked at two intervals and then gently tilt downward.

The upper tube 19 is a pair of right and left tubes whose front ends are curved in a U-shape and extend continuously rearward, and a narrow portion 21 is formed at the center where both are close to each other. Similarly, the under tube 20 is a pair of left and right tubes whose front ends are curved in a U-shape and extend rearward to the vicinity of the narrow portion 21.
The tubes 19 and 20 are connected at appropriate locations by a vertical bridge tube 22. Both tubes 19 and 20 are connected on both sides thereof by bridge tubes 23 in the horizontal direction.

The front ends of the upper tube 19 and the under tube 20 are connected to the upper and lower portions of the head pipe 7 via the connection pipe 24, and the bridge tube of the narrow portion 21 of the upper tube 19 is connected.
The connection portion and the rear end of the undertube 20 are connected by a center tube 25 that hangs downward.

Further, the rear end of the upper tube 19 and the lower end of the center tube 25 are connected by a rear tube 26 inclined forward and downward, and the front and lower end of the rear tube 26 is further extended and located at the lower rear of the engine unit 4. .

An article storage box 8 is placed in front of the upper tube 19 so as to cover the article storage box 8. Goods storage box 8
When viewed from the top, the rear half is formed to be thin so as to adapt to the knee grip, and the narrow portion 21 corresponds to the shape. The U-shaped bend at the front end provides sufficient space for the box to be placed therein.

In the rear half of the upper tube 19, the seat 9 and the pillion seat 10 are placed.

An inverted triangular engine mount member 27 having a pipe composition hanging downward is fixed to the under tube 20, and a front portion of the engine unit 4 is hung at the lower end thereof. The engine unit 4 is further fixed to the rear end of the under tube 20, the front lower end of the center tube 25 and the front lower end of the rear tube 26, and the like.

A triangular reinforcing plate 28 is welded in front of the intersection of the center tube 25 and the rear tube 26 to support the front end of the rear swing arm 29. The rear wheel 2 is pivotally supported at the rear end of the rear swing arm 29, and is suspended by a cushion unit 30. The upper end of the cushion unit 30 is supported via a bracket on a bridge tube 23 straddling the narrow portion 21 of the upper tube 19.

The front cover 5 has an upper edge shape set so as not to form a gap between the front cover 5 and the outer lower edge of the article storage box 8, and is attached along the under tube 20. The leg shield 11 connected to the front edge has a head pipe 7 at the upper end and a lateral width less than or equal to the footrest 16 at the lower end. The front cover 5 and the leg shield 11 are formed to be thick and hollow.

As shown in FIG. 8, a vertically long attachment window 31 is provided above the front edge of the inner surface, and the side edge of the radiator 32 is inserted and held. Behind the attachment window 31, a continuous wind guide window 33 is opened, and a louver is
34 is arranged.

The upper portion of the rear trunk cover 6 is divided into two parts, left and right, so that no gap is formed between the rear lower edge of the article storage box 8 and the outer lower edges of the seat 9 and the pillion seat 10. 19, the rear end of the under tube 20, the center tube 25, the rear tube 26, and the like are attached to the left and right sides and integrated. A concave rear trunk 35 is formed on the side of the rear wheel 2, and the trunk lid 17 is attached to the outer surface of the rear trunk 35.

As shown in FIG. 10, the lower edge of the trunk lid 17 is pivotally supported on the rear surface of the rear trunk cover 6 by a hinge 36, and is opened and closed so as to fall to the side.

In addition, a recess 37 is formed in the lower edge of the rear trunk cover 6 so that the pillion footrest 18 is housed so as to be flush with the rear trunk cover 6. As shown in FIG. 9, the pillion footrest 18 has a lower edge pivotally supported by a support bracket 38 so as to be horizontally opened outward when necessary. The support bracket 38 is connected to the rear tube 26
And is fixed to the rear end of the bracket tube 39 extending rearward and laterally.

Next, as shown in FIG. 3, the front fender 12 is vertically divided into a front half divided fender 12a and a rear half divided fender 12b by a dividing line along a front fork 41, and is united. It is provided to be one front fender 12. A pair of left and right through holes are provided in the center of the top
Each has a semicircular cutout 40 so that 40 is formed
a, 40b are arranged on the dividing edge. In addition, a concave step 40c is formed at the dividing edge of the divided fender 12a, so that no step is formed at the mating portion when they are combined.

Cover the front half 12a and the rear half 12b from the front and rear of the front wheel 1, and cut the front fork 41 between the notches 40a and 40b to unite,
The front fork 41 is formed so that the front fork 41
The upper half of both the front fork 41 and the front brake caliper 42 are covered with the front fender 12.

The attachment to the front fork 41 is as shown in FIG. 4 and FIG. That is, the bracket 43 set to cover the front wheel 1 is fixed to the attachment boss 44 formed on the left and right front forks 41, and the attachment piece 45 projecting from the rear edge thereof and the split fender 12a The attachment piece 46 projecting from the inner surface is connected with a screw 47.

As shown in FIG. 4, the bracket 43 is formed in a gate shape or a U-shape, is bridged between left and right telescopic front forks 41, 41, and is laid so as to cover an upper portion of the front wheel 1. The united portion of the front fender 12 is configured as shown in FIG. 3 by uniting the split fenders 12a, 12b, and is formed so that the extension of the united portion passes through the left and right front forks 41, 41. . The bracket 43 covers the united portion of the front fender 12 from inside as shown in FIGS. That is, the united part of the front fender 12 is a bracket
Covered by 43 from below. In this motorcycle, a front fender 12 is mounted below springs of front forks 41, 41, and the front fender 12 adopts a fender support structure that moves up and down together with the up and down movement of the wheel 1.

Thus, the wide and deep front fender 12 is attached to the upper half of the front wheel 1 while concealing the lower portion of the front brake caliper 42 and the front fork 41. Therefore, the entire motorcycle is composed of the lower halves of the front and rear wheels 1 and 2 and the engine unit 4.
The motorcycle is covered with a cover except for a part of it, and the appearance is well balanced as a motorcycle adapted for high-speed running and touring.

〔The invention's effect〕

As described above, the motorcycle front fender device according to the present invention has a size that covers the upper half of the front wheel including the front fork in a motorcycle in which most of the vehicle body is covered with a cover. The front fender is divided by a vertical line along the front fork, and a pair of left and right cutouts are formed at the upper part of the dividing edge of the divided fender, and the divided fender thus formed is provided in the upper half of the front wheel. In addition to covering from the front and back, the upper parts of the left and right front forks are combined by sandwiching them with the notch holes, and further, a bracket is provided between the left and right front forks so as to cover the front wheel. Since the united portion is covered from below, it is possible to prevent the muddy water that the front wheels jumped up from hitting the united portion of the front fender. The muddy water can be efficiently and effectively prevented from coming out of the joint, while the front fender can cover the upper half of the front wheel and the lower end of the front fork, and the front fender has a two-part structure. Therefore, it is easy to manufacture and assemble, and furthermore, there is an effect that it can be adapted to a motorcycle for high-speed running or touring in which most of the vehicle body is covered with a cover.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a side view of a motorcycle having a front fender according to an embodiment of the present invention, FIG. 2 is a plan view, and FIG. 3 is a perspective view of the front fender of FIG. FIG. 4, FIG. 4 is a front view of the front fork, FIG. 5 is an enlarged sectional view of a part of the front fender taken along the line AA of FIG. 1, and FIG. 6 is a side view of the motorcycle frame of FIG. FIG. 7, FIG. 7 is a plan view of the same, FIG. 8 is a plan sectional view of the front cover and the rear trunk cover as viewed in the direction of arrows BB in FIG. 1, and FIG. 9 is a view of the pillion footrest as viewed in the direction of arrows CC in FIG. FIG. 10 is an enlarged cross-sectional view of a main part of the trunk lid taken along the line DD in FIG. 1. DESCRIPTION OF SYMBOLS 1 ... front wheel, 2 ... rear wheel, 3 ... steering wheel, 4 ... engine unit, 5 ... front cover, 6 ... rear trunk cover, 7 ... head pipe, 8 ... article storage box, 9 ... ... Seat, 10 ... Pillion seat, 11 ... Leg shield, 12 ... Front fender, 12a, 12b ...
Divided fender, 40 ... through-hole, 40a, 40b ... cutout, 41
…… Front fork, 42 …… Front brake caliper, 43 …… Bracket.

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁷ , DB name) B62J 15/00

Claims (1)

(57) [Claims] 1. An automatic vehicle in which most of the vehicle body is covered with a cover.
In a wheeled vehicle, a front fender sized to cover the upper half of the front wheel including the front fork is divided by a vertical line along the front fork, and a pair of left and right A notch hole is formed and provided, and the split fender thus formed is put on the front wheel upper half from the front and back, and the upper parts of the left and right front forks are sandwiched by the notch hole to be united, and further, so as to cover the front wheel. A front fender device for a motorcycle, wherein a bracket is provided between right and left front forks so as to cover a united portion of the front fender from below.