JPH11198883A - Body cover device of small-size vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the number of structural items and suppress the costs of the whole vehicle construction by arranging so that a body cover can be mounted while the use of any bracket for mounting the body cover is omitted. SOLUTION: A body cover device is structured so that a water drip hole 30 is formed at the bottom 7d of a down-tube 7 at the frame of a scooter type motorcycle, and a lower leg shield 31 to cover the undersurface of the body is fastened to the hole 30 by a fastening means consisting of a clip 33. The lower leg shield 31 is configured so that its part where fastening is generated by the clip 33 is recessed in the direction of the hole 30 deeper than the surrounding area, and is shaped so as to guide mounting of the fastening means.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a body cover device for a small vehicle, particularly a small vehicle having a structure for mounting a body cover of a scooter type vehicle or a structure for mounting a cowling of a motorcycle.

[0002]

2. Description of the Related Art Conventionally, in a scooter type vehicle, a body cover such as a front leg shield, a rear leg shield, and a frame cover for covering an outer surface of the body is fixed to a body frame by fastening with a screw or the like. I have. Generally, the structure for mounting the body cover from below is a bracket for mounting to the frame (nut welded product)
Are mounted by welding or bolting, and the vehicle body cover is fastened to this mounting bracket by screws.

[0003]

However, in the structure for mounting from the lower side of the vehicle body cover, the mounting bracket is disposed at the lower part of the vehicle body. Had the problem of becoming In addition, the mounting bracket provided on the frame needs to be formed separately from the frame, which has been expensive. Further, the number of structural components of the entire vehicle increases, and the work of arranging the brackets is also required.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problem, and the bracket for mounting the vehicle body cover has been eliminated to enable the mounting of the vehicle body cover, thereby reducing the number of structural parts. It is an object of the present invention to provide a body cover device for a small vehicle that can reduce costs.

[0005]

The present invention has the following configuration to achieve the above object. The invention of claim 1 is
A drain cover is formed in a lower end portion of a frame of a vehicle, and a body cover for covering a lower surface of the vehicle body is fastened to the drain hole by fastening means. According to a second aspect of the present invention, the vehicle body cover that covers the lower surface of the vehicle body is formed in a shape in which a portion to be fastened by the fastening means is recessed in the direction of the drain hole from the periphery thereof and guides the mounting of the fastening means. The vehicle body cover device for a small vehicle according to claim 1, wherein: In the present invention, a clip made of resin or a tapping screw can be used as the fastening means.

According to the first aspect of the present invention, a drain hole is formed at the lower end of the frame of the vehicle, and the vehicle body cover covering the lower surface of the vehicle body is fastened to the drain hole by fastening means. The vehicle body cover can be fastened directly to the frame without disposing a mounting bracket. Therefore, a bracket is not required, and the number of structural products can be reduced, and the cost of manufacturing the vehicle body can be reduced. In addition, the drain hole of the frame is always formed as a drain hole when the frame is immersed in a treatment agent for rust prevention treatment, and is not required after the rust prevention treatment. Since the existing drainage hole is used as a fastening hole for the vehicle body cover, it is not necessary to separately form a hole, so that labor can be saved and cost can be reduced. According to the second aspect of the present invention, in the vehicle body cover that covers the lower surface of the vehicle body, a portion to be fastened by the fastening means is recessed in a drain hole direction from the periphery thereof, and guides the mounting of the fastening means. Since it is formed in a shape, it can be guided and positioned easily when the fastening means is attached, so that the work efficiency can be improved. In the present invention, if a resin clip is used as the fastening means, the clip can be attached with one touch. Further, if a tapping screw is used, it is not necessary to form a thread in the drain hole. In any case, the efficiency of the assembling work can be improved.

[0007]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is an overall view of a scooter type motorcycle 1A according to an embodiment, and FIG.
FIG. 3A is a front perspective view, FIG. 3 is a detailed view of a frame, a lower leg shield, and a lower side cover (these are examples of a vehicle body cover). FIG. FIGS. 5 and 6 are explanatory views of a fastening portion, and FIG. 7 is a clip explanatory view of an example of a fastening means.

The vehicle body cover device according to the embodiment includes a scooter type motorcycle 1A frame 22 (specifically, a water drain hole 30 formed in the lower end of the down tube 7 and the first main frame 4).
And a lower leg shield 31 covering the lower surface of the vehicle body
The lower side cover 32 (an example of a vehicle body cover) is fastened to the drain hole 30 by a fastening means such as a clip 33. The lower leg shield 31 that covers the lower surface of the vehicle body has a shape in which a portion 34 to be fastened by fastening means such as a clip 33 is recessed in the direction of the drainage hole 30 from its surroundings, and guides the attachment of the fastening means. Is formed.

This will be described in more detail. As shown in FIG. 1, the scooter type motorcycle 1A includes a frame 22 which defines a substantially central front portion thereof in a boarding space. A power system 3 including an engine 2 and a transmission is attached to each of them via a thick coil spring or a damper 3a. As shown in FIG. 1, the frame 22 includes a plurality of first L-shaped main frames 4 having a substantially inverted L-shape.
A second main frame 5 that is inclined and connected to the upper rear of the plurality of first main frames 4, a substantially inverted upper tube 6 that is connected to a lower front of the second main frame 5, A plurality of down tubes 7 having a substantially inverted L-shape are provided, and these are made of an aluminum alloy, a steel material, or the like.

[0010] In a space defined by the plurality of first main frames 4 and the second main frames 5, components such as an oil tank, a fuel tank, and a battery are incorporated. As shown in FIG. 1, a plurality of upper seat rails 8 are connected in an inclined state behind the plurality of first main frames 4 and the second main frames 5, and the plurality of seat rails 8 are partitioned. A bottomed cylindrical storage box 10 is built into the space to be inclined, and tools, books, documents, and articles such as the helmet 12 are appropriately stored in the storage box 10. A head pipe 9 is inclined and connected to the upper front of the upper tube 6 and the plurality of down tubes 7, and the front fork 1 is supported by the head pipe 9 via a bearing so as to be steerable.

The front fork 1 is provided with a handle 1a on the upper part thereof, a front wheel 1b rotatably mounted on a resilient outer tube on the lower part thereof, and covered with a front cover 1c having a function of rectification and the like. The engine unit 2 constitutes a unit swing engine having a V-belt type continuously variable transmission suitable for the scooter 1A, and rotatably supports a rear wheel 25 via a rear shaft of the continuously variable transmission. .

As shown in FIG. 1, the frame 22 has its front portion covered with a front leg shield 35, a lower leg shield 31, a rear leg shield 36, a leg cushion, a mat, and the like. To ensure a comfortable ride and a sense of stability. Further, the frame 22 is covered with a cover body having a divided structure from the front part to both right and left sides, and this cover body ensures reduction of wind resistance, rectification, and holding of rear wheel driving force. The cover body can be molded from an ABS resin, a polyamide resin, or the like having excellent moldability and impact resistance.

As shown in FIGS. 1 and 2, the seat 17 has a lower front seat 28 and a higher rear seat 29, and the front seat 28 and the rear seat 29 have a substantially stepped structure in which the front seat 28 and the rear seat 29 are continuous. It is configured. Front seat 28
Has a surface covered with leather, a lower portion provided with a polypropylene seat bottom having a substantially inverted U-shaped cross section, and an upper portion of the plurality of first main frames 4 and an inclined upper portion of the second main frame 5. Located in.

As shown in FIG. 2, the front body of the vehicle body is provided with a front leg shield 35 for flowing the wind toward the front of the vehicle to the left and right, and a front wheel connected to a lower portion of the front leg shield 35 as shown in FIG. A lower leg shield 31 located behind 1b and a rear leg shield 36 facing the occupant are provided.

As shown in FIG. 3, the lower leg shield 31 has a recess formed in the front portion along the rear portion of the front wheel 1b, and has a substantially L-shape in a side view as a whole, and extends rearward along the lower portion of the down tube 7. Extending. As shown in FIGS. 3 and 4, the rear end of the lower leg shield 31 is joined to the lower side cover 3 by a joining line 37 that extends substantially vertically.
2 Contacting the front end. The lower side cover 32 extends rearward with a generally upward inclination along the second main frame 5 in a side view and extends rearward, and a rear end portion overlaps a front portion of the engine unit 2.

Around the joint line 37, a fastening portion 34 recessed toward the frame is formed on the lower surface of the rear end of the lower leg shield 31. As shown in FIG. 5A, the fastening portions 34 are formed on the lower left and right sides of the vehicle body, and correspond to the left and right down tubes 7, 7 lower parts 7d, 7d of the vehicle body frame 22. As shown in FIGS. 4 and 5 (c), the fastening point 34 protrudes upward with an upward slope and has a substantially trapezoidal hill shape, and the upper surface thereof has a pipe shape as shown in FIGS. 5 (c) and 6. In order to correspond to a down tube made of a material, the left and right sides protrude upward in a rear view, and a substantially middle portion is recessed in a groove shape, and a fastening hole 34a is formed substantially in the center of the recess. Then, as shown in FIG. 5B, a rectangular plate-like tongue portion 38 extends in a plan view from the rear end of the lower leg shield 31 at the joint line 37 and extends rearward. A fastening hole 38a is formed at the center.

The fastening hole 34a of the fastening portion 34 is formed at a position corresponding to the drain hole 30 of the down tube 7 when the lower leg shield 31 is disposed on the down tube 7. Further, the plate-shaped tongue piece 38
Is formed with a fastening hole 38a. At the front ends of the left and right lower side covers 32, the plate-shaped tongue piece 3 is disposed in a state of being disposed below the first main frame 4 in contact with the rear end of the lower leg shield 31 at the joining line 37.
A fastening hole 32a is formed at a position corresponding to the fastening hole 38a.

Lower Leg Shield 31 in Embodiment
The attachment of the lower side cover 32 will be described. As shown in FIGS. 2 and 3, a lower leg shield 31 is provided at a lower front portion of the down tube 7 below the frame, and a lower side cover 32 is provided behind the lower leg shield 31. The lower leg shield 31 is fixed to the frame before the lower side cover 32 for convenience. The lower part of the lower leg shield 31 is attached to the frame at the rear end of the lower leg shield 31, and its structure is fastened as shown in FIG.

The down tube 7 has a round drain hole 3.
0 is only drilled. Further, the fastening portion 34 of the lower leg shield 31 is formed in a groove shape extending corresponding to the lower cross-sectional shape (the outer peripheral cylindrical shape) of the down tube 7, and the fastening portion 34 is formed of another portion of the lower leg shield 31. Since it is formed in a trapezoidal shape above the part,
The trapezoidal shape serves as a guide, and the lower leg shield 31
The clip (made of resin) 33 is inserted into each of the holes 34a and 30 and fastened to the down tube 7 and fixed.

The clip 33 is referred to as a push rivet as shown in detail in FIG.
A pin 33b is mounted so as to move back and forth within 3a. The outer grommet 33a has a plurality of tips standing in the shape of an umbrella folded from the base, and the tips are inclined inward toward the front, and the outer peripheral surface of the inner pin 33b is tapered. Are formed. When the clip 33 is inserted into the hole and the pin 33b moves forward with respect to the grommet 33a, the tip of the grommet spreads like a flower due to the respective inclined surfaces, and the grommet 33a does not come out of the hole.

The clip 33 has a tapered shape as shown in FIG. 7 so that even if there is a deviation in the hole of each part, it can be easily fixed and easily mounted. Since the mounting direction only needs to be pushed upward from the bottom, work can be performed relatively easily even in directions that are easier and less visible than screwing.

As shown in FIGS. 4 and 6, a lower side cover 32 disposed behind the lower leg shield 31 is provided near the fixing portion of the lower leg shield 31 to the frame. The clip is fixed to the plate-like tongue piece portion 38 with a clip 33. This is clip 33
, It is possible to work relatively easily while fixing from below. Note that the clip 33 can be easily removed by pushing the center pin 33b further inward.

As shown in FIG. 5 (a), the lower leg shield 31 is fixed to the down tube at the right and left fastening points 34 (two stop positions). It is fixed to stop.

In general, the bottom of the down tube is often provided with a drain hole for water to enter in the coating process. However, since the holes used for fastening used in the structure of the embodiment are also drain holes, they are separately provided. There is no need to form a drain hole in the hole, which can further reduce the cost.

Further, when the drain hole is located at the position where the muddy water is involved, rust may be caused. However, according to the structure of the embodiment, the drainage hole is closed by the cover and the clip.
Water is not directly applied to the holes, and no rust is generated.

Although the preferred embodiment of the present invention has been described in the above embodiment, it is needless to say that the present invention is not limited to this. For example, if a resin clip is used as the fastening means, it can be mounted with one touch.However, if a tapping screw having a simpler configuration is used instead of the clip, there is no need to make a thread in the drain hole, and workability is improved. is good. In any case, the efficiency of the assembling work can be improved.

[0027]

As described above, according to the first aspect of the present invention, the vehicle body cover can be fastened directly to the frame without separately providing a mounting bracket. Therefore, a bracket is not required, and the number of structural products can be reduced, and the cost of manufacturing the vehicle body can be reduced. In addition, the drain hole of the frame is always formed as a drain hole when the frame is immersed in a treatment agent for rust prevention treatment.
It becomes unnecessary after rust prevention treatment. Since the drain hole is already used as a fastening hole for the vehicle body cover, it is not necessary to separately form a hole, so that labor can be saved and cost can be reduced. According to the second aspect of the present invention, since the fastening portion is recessed in the direction of the drain hole and is formed in a shape to guide the mounting of the fastening means, it is guided when mounting the fastening means, Since positioning is easy, work efficiency can be improved.

[Brief description of the drawings]

FIG. 1 is an overall view of a scooter type motorcycle 1A according to an embodiment of the present invention.

FIG. 2 is an explanatory front perspective view of the motorcycle 1A.

FIG. 3 is a detailed view of a frame, a lower leg shield, and a lower side cover (these are examples of a vehicle body cover).

FIG. 4 is an enlarged explanatory view of a mounting portion of a lower leg shield and a lower side cover.

5 (a) is a partial view of a lower end of a lower leg shield, FIG. 5 (b) is a partial view of a lower end of a lower leg shield, and FIG. Directional view,
(D) is a sectional view taken along line DD of (c).

6A is a sectional view taken along line AA in FIG. 4, FIG.
FIG. 5 is a sectional view taken along line BB in FIG. 4.

FIG. 7 is an explanatory view of a clip of an example of the fastening means.

[Explanation of symbols]

 1A Motorcycle 7 Down tube 22 Frame 30 Drain hole 31 Lower leg shield 32 Lower side cover 33 Clip 34 Fastening point

Claims (2)

[Claims] 1. A body cover device for a small vehicle, wherein a drain hole is formed in a lower end portion of a frame of the vehicle, and a body cover for covering a lower surface portion of the vehicle body is fastened to the drain hole by fastening means. . 2. A vehicle body cover that covers a lower surface of a vehicle body is formed in such a shape that a portion to be fastened by fastening means is recessed in the direction of a drain hole from its periphery and guides the mounting of the fastening means. The body cover device for a small vehicle according to claim 1, wherein: