JPH0274482A - Side bumper device for full cowl type motorcycle - Google Patents

Abstract

PURPOSE:To equip the title motorcycle with a side bumper without impairing running performance and appearance by detachably installing a protector engaged with the side bumper onto a protector installation hole, and thereby projecting the protector outward from the outside surface of a cowl. CONSTITUTION:A side bumper 131 composed of one pipe is fixed between the main tube 11 of a car body frame F and the outside surface of a down-tube 12. The side bumper 131 is formed into an U-shaped in a front view, and the front and rear ends of it are fastened to brackets 111 projecting from the down- tube 12 and the main tube 11 with bolts 15 and 14. The base section 131-a of the side bumper 131 is extended downward in such a way as to run along the outside surface of the car body frame F, and the tip section 131-b of it is bent roughly normal to the base section 131-a so that it projects outward from the car body frame F. The tip section 131-b of the side bumper 131 projects out through a rectangular protector installation hole formed in the boundary section of a front upper cowl 4, a front lower cowl 5 and a low cowl 6 toward the outward side of these cowls.

Description

DETAILED DESCRIPTION OF THE INVENTION A1 Object of the Invention (1) Industrial Application Field The present invention relates to a side bumper device for a full cowl type motorcycle in which the right and left outer surfaces of a vehicle body frame are covered with a cowl.

(2) Prior Art Motorcycles equipped with side bumpers are known (see, for example, Japanese Utility Model Application Publication No. 196790/1983).

Incidentally, in recent years, sports-type motorcycles have been adopting the so-called full-cowl type, which covers almost the entire circumference of the body frame with a cowl to reduce air resistance and improve driving performance, as well as to enhance the overall appearance. has been developed and put into practical use, but there is a problem in that if such a vehicle is simply provided with a conventional side bumper, both the driving performance and appearance will be impaired.
It was common for full cowl type motorcycles to not have side bumpers.

The present invention was made in view of these circumstances.
The object of the present invention is to enable a full cowl type motorcycle to be equipped with a side bumper without impairing both running performance and appearance.

B1 Structure of the Invention (1) Means for Solving the Problems In order to achieve the above object, the present invention provides a full cowl type motorcycle in which a body frame is covered with a cowl. A bumper is fixed to the cowl, and a protector mounting hole is formed in the cowl at a portion facing the side bumper, and the side bumper is made to protrude outward from the protector mounting hole. A protector engaged with the cover is detachably attached, and the protector is made to protrude outward from the outer surface of the cowl.

(2) Effect According to the above configuration, when a full cowl type motorcycle overturns while parking or comes into contact with another object in a parking lot, etc.
The protector prevents the expensive cowl from being damaged or broken by colliding with the ground or other objects before the cowl, reducing repair costs.

In addition, since the side bumper is not exposed, the overall appearance of the vehicle is good, and running resistance when the vehicle is running is reduced.

(3) Examples Embodiments of the present invention will be described below with reference to the drawings.

First, a first embodiment of the present invention will be described with reference to FIGS. 1 to 6. FIG. 1 shows a side view of a motorcycle equipped with the device of the present invention, and FIG. 2 shows a front view thereof. . In these figures, a front fork 2 on which a front wheel Wf is suspended is supported in a steerable manner on a head vibration 1 at the front end of the vehicle body frame F, and a rear axle W' is mounted at the rear of the vehicle body frame F.
A suspension fork (not shown) is supported to be able to swing up and down. A water-cooled engine (not shown) is mounted in the center of the body frame F, and a radiator R connected to the cooling system of this engine is supported at the front of the body frame F. Both sides of the engine are covered with side covers. Covered by 3.

Most of the vehicle body frame F is covered with a cowl C made of synthetic resin, and this cowl C includes a front upper cowl 4, a front lower cowl 5, and a lower cowl 6.
It consists of a rear cowl 7, etc. Note that 8, 9, and 10 in FIGS. 1 and 2 are a windshield plate, a headlight, and a rearview mirror provided on the front upper cowl 4.

Side bumper devices B of the present invention are installed on both front and rear sides of the motorcycle.

Since these side bumper devices B all have the same configuration, the configuration of the side bumper device B provided on the front left side of the motorcycle will be explained in detail below mainly with reference to FIGS. 3 to 6. do.

In FIG. 3, the entire bangba device B is shown disassembled,
FIG. 4 shows the front view of the bumper device when assembled, and FIGS. 5 and 6 show V-■ and Vl- in FIG.
A Vl cross section is shown. As clearly shown in FIG. 3, a side bumper 131 made of a single sinusoidal pipe is fixed between the outer surfaces of the main tube 11 and the down tube 12 of the vehicle body frame F. This side bumper 131 is formed into a U-shape from the front, and both front and rear ends thereof are protruded by the down tube 12 and the main tube 11.
Bolts are tightened 15.14 to 1+. side bumper 13
The base portion 131-a of □ extends downward along the outer surface of the vehicle body frame F as shown in FIG. 6, and the tip portion 131-b extends downward as shown in FIG. base i
It is bent at a substantially right angle from 3+-a and protrudes toward the outside of the vehicle body frame F. And the tip 13 of this side bumper 13. -b is a protector mounting hole 16, which will be described later, formed at the boundary between the front upper cowl 4, the front lower cowl 5, and the lower cowl 6. through which they project outwardly.

A front upper cowl 4, a front lower cowl 5, and a lower cowl 6 are fixed to the side bumper 131. Next, the fixing structure will be explained mainly with reference to FIG. 3. The side bumper 13 has a front bracket 1.
8 and a pair of rear brackets 19 and 20 are integrally protruded, and the front bracket 18 includes a mounting piece 21 integrally protruded from the lower edge of the front upper cowl 4 and the upper edge of the front lower cowl 5; and 22 are tightened and fixed together with screws 23, and one rear bracket 19
, mounting pieces 24 and 25 protrude from the rear lower edge of the front upper cowl and the front upper edge of the lower cowl 5.
are fastened together with screws 26, and the other rear bracket 20 has a mounting piece 2 protruding from the rear upper edge of the front lower cowl 5 and the front upper edge of the lower cowl 6.
7°28 are tightened and fixed together with screws 29.

As described above, the front upper cowl 4, the front lower cowl 5, and the lower cowl 6 are fixed to the side bumper 131, and the protector mounting hole 16, which is rectangular in the front and back direction, is located between the boundaries of these (FIG. 4.5). will be established. This protector mounting hole 16. 2), a protector 301 for protecting the cowls 4, 5 and 6 is removably attached. This protector 301 is made of a material that has higher impact absorption and elasticity than the cowls 4.5 and 6, and does not break or deform even when subjected to impact, such as a synthetic resin material such as polypropylene. Its shape is an elongated rectangle from front to back,
Its cross section has an outwardly convex U-shape. Several male hook pieces 31 and 32 each having a cross section are integrally protruded from the upper and lower edges of the protector 301, and several insertion pieces 33 are integrally protruded from the rear end edge. . On the other hand, protector mounting hole 16. An insertion hole 34 into which the insertion piece 33 is removably inserted is provided on the rear end edge, that is, the front edge of the lower cowl 6, and the upper and lower edges of the protector attachment hole 16, ie, the The lower edge of the front upper cowl 4 and the upper edge of the front lower cowl 5 are provided with the hooking male pieces 31 and 3.
2 are formed into hook male pieces 35 and 36 which are removably engaged with each other.

Also protector 30. Several rib pieces 37 are integrally provided inside the rib piece 37, and a C-shaped engagement hole 38 is formed in these rib pieces 37, with which the tip of the side bumper 13I is removably engaged. (Fig. 6), and protector 30.
A mounting hole 39 is bored in the center of the lower part in the front-rear direction.

and the side bumper 13. A protector mounting piece 40 corresponding to the mounting hole 39 is integrally protruded from the tip portion 13+b of the protector 30. is the mounting hole 39
The protector mounting piece 40 is fixed to the protector mounting piece 40 by screws 41 inserted therethrough.

A bracket 42 is fixed to the lower side of the down tube I2 of the vehicle body frame F, and mounting pieces 43 and 44 on the rear lower edge of the front lower cowl 5 and the lower front edge of the lower cowl 6 are fastened and fixed to this bracket 42 together with screws 45. .

Next, to attach the protector 301 to the protector attachment hole 161 formed at the boundary between the front upper cowl 4, front lower cowl 5, and lower cowl 6, insert the insertion piece 33 on the rear edge of the protector 301 into the insertion hole 34. After inserting the protector 30, apply compressive force in the vertical direction to the protector mounting hole 16. by inserting the engaging hole 38 of the rib piece 37 into the side bumper 13. Tip part 13゜b
If the compressive force is released after engaging with the protector 301, the protector 301 will restore its original shape by its own elastic force, and at that time, the upper and lower male hook pieces 31 and 32 will connect to the protector mounting hole 16 + the male hook pieces 35 on the upper and lower edges. Hooked on .36. As described above, the protector 30 is attached to the protector mounting hole 161. However, in order to prevent the protector 301 from being accidentally removed or stolen, the protector 301 is secured to the protector mounting hole 16 by screwing the screw 41 into the mounting piece 40 through the mounting hole 39.
is fixed to.

As described above, the protector 30. is protector mounting hole 16
1 and protrudes outward from the outer surfaces of the front upper cowl 4, front lower cowl 5, and lower cowl 6, as shown in FIGS.

As shown in FIGS. 3 and 5, on the upper front outer surface of the front lower cowl 5, the protector 30. A protruding end 46 that continuously connects with the outer surface of is integrally formed.

Incidentally, as shown in FIG. 1, a side bumper device B is also attached to the rear cowl 7 of the cowl C, but since this also has the same configuration as that described above, detailed explanation thereof will be omitted.

Next, the operation of the first embodiment will be explained. When a motorcycle overturns when parked or comes into contact with another vehicle when entering or exiting a parking lot, etc., the protector 30. It is possible to prevent the cowl C from being damaged or damaged by colliding with the ground or another vehicle before the cowl C, and to reduce repair costs.

Also side bumper 13. Since it is not exposed, the overall appearance of the vehicle is good and it also helps reduce running resistance when the vehicle is running.

A second embodiment of the invention is shown in FIGS. 7-10. This second embodiment differs from the first embodiment in the structure for attaching the protector 30z to the cowl C, and the same members as in the first embodiment are given the same reference numerals.

Several upper and lower matching protrusions 50 and 51 are integrally provided on the upper and lower edges of the protector 30 □ along the longitudinal direction, respectively, and on the other hand, the upper and lower edges of the protector mounting hole t6g. That is, the lower edge of the front upper cowl 4 and the upper edge of the front lower cowl 5 have upper and lower matching recesses 5 that can be aligned with the upper and lower matching protrusions 50 and 51.
2,53 are formed.

To attach the protector 30t to the protector mounting hole 16□, insert the insertion piece 33 on the rear edge in the same way as in the first embodiment.
After inserting the protector 30□ into the insertion hole 34 on the rear edge of the protector mounting hole 16□, align the upper and lower matching convex portions 50, 51 of the protector 30□ with the matching concave portions 52, 53 of the protector mounting hole 161, and then insert the protector 30□. 9th to 10th compressed from the top and bottom
As shown in the figure, if the upper and lower matching protrusions 50.51 are engaged with the back surfaces of the upper and lower matching recesses 52, 53, the protector 30□
can be fitted into the protector mounting hole 16□. Thereafter, the protector 30g is screwed to the side bumper 13□ using the screws 41 as in the first embodiment.

Thus, this second embodiment also has the same effects as the first embodiment.

A third embodiment of the invention is shown in Figures 11.12.

In this third embodiment, an elastic body 55 made of rubber or the like is bonded to the lower half of the outer surface of the protector 303,
The other configurations are the same as in the first embodiment, and the same members are given the same reference numerals.

In this third embodiment, the protector 30. When the protector 30 collides with another object, the elastic body 55 absorbs the impact and protects the protector 30.
: The impact transmitted to the cowl C via l can be alleviated.

A fourth embodiment of the present invention is shown in FIGS. 13-19. This fourth embodiment is a case in which a cowl C having a different form from those of the first to third embodiments is equipped with a bumper device B of the present invention, and a front cowl 60 constituting the front part of the cowl C is provided on both left and right sides. Protector mounting hole 164 elongated in the front and back direction on the surface
is drilled therein, and ventilation lowers 1.72 are drilled above and below the upper part of this mounting hole 164.

As shown in FIGS. 15 to 17, the protector mounting hole 1
Corresponding to 64, a side bumper 13 made of a steel pipe is provided on the outer surface of the down tube 12 and the main tube 11 of the vehicle body frame F, and is curved in a C-shape so as to protrude outward. Both ends are bolted with POL) 74 and 75. The center portion of the side bumper 134 projects outward from the outer surface of the front cowl 60 through the protector attachment hole 164.

The protector mounting hole 164 has the front cowl 60
A protector 304 is removably attached to protect the device. This protector 304 is connected to the front cowl 6.
It is made of a material that has higher impact absorption and elasticity than 0, and does not break or deform even when subjected to impact, such as a synthetic resin material such as polypropylene, and its shape is a rectangular shape that is elongated from front to back. is doing. 10 techta 30
There are two downward protrusions 61 (Fig. 19) on the front and rear of the upper edge, and one upward protrusion 62 (Fig. 19) on the rear of the lower edge.
15) are formed integrally with each other, and the protectors 30. A mounting hole 64 (FIG. 18) is formed at the front of the lower edge of the protector 304, and an insertion piece 63 is integrally provided at the rear edge of the protector 304.

On the other hand, engagement holes 65 and 66 are formed at the front and rear of the upper edge and at the rear of the lower edge of the protector mounting hole 164, in which the downward protrusion 61 and the upward protrusion 62 can engage, respectively.
Further, a clip nand 67 corresponding to the attachment hole 64 is fitted to the front portion of the lower edge, and an insertion hole 68 into which the insertion piece 63 can be inserted is formed at the rear edge.

Further, the protector 30. A plurality of rib pieces 70 having recesses 69 that can be engaged with the tip of the side bumper 134 are integrally formed at the intermediate portion in the front-rear direction.

To attach the protector 304 to the protector mounting hole 164, as shown in FIG.
The protector 304 can be fitted into the protector attachment hole 164 by inserting it into the insertion hole 68 and then engaging the downward protrusion 61 and the upward protrusion 62 with the engagement holes 65 and 66. Furthermore, as shown in FIGS. 15 and 19, by screwing the screw 73 into the clip nut 67 through the mounting hole 64 using the ventilation lower 2, the protector 304 is screwed to the front cowl 60, and the protector 30. It will not come off unexpectedly or be stolen.

In this fourth embodiment as well, the vehicle may overturn when parked,
If you come into contact with other vehicles when entering or exiting the parking lot, use the protector 30. collides with the ground or another vehicle before the front cowl 60 and the front cowl 60
damage and breakage can be prevented and repair costs can be reduced.

Also side bumper 13. Since it is not exposed, the overall appearance of the vehicle is good and the running resistance when the vehicle is running can be reduced.

C0 Effects of the Invention As described above, according to the present invention, in a full cowl type motorcycle, a side bumper is fixed to the outer surface of the body frame, and a protector mounting hole is provided in the cowl at a portion facing the side bumper. The side bumper is made to protrude outward from the protector mounting hole, and a protector that is engaged with the side bumper is removably attached to the protector mounting hole, and the protector is inserted outwardly from the outer surface of the cowl. When the vehicle overturns while parked or comes into contact with another object, the protector can prevent damage to the expensive cowl due to collision with the ground or other objects before the cowl. , it is possible to reduce repair costs.

Furthermore, since the side bumper is not exposed to the outside, the overall appearance of the vehicle is good and the running resistance when the vehicle is running can be reduced.

[Brief explanation of the drawing]

1 to 6 show a first embodiment of the present invention, in which FIG. 1 is a side view of a motorcycle equipped with the device of the present invention, FIG. 2 is a front view of the motorcycle along the line 3 is an exploded perspective view of the device of the present invention, FIG. 4 is a front view of the device of the present invention, FIG. 5 is a cross-sectional view along line V-V in FIG. 4, and FIG. 6 is a cross-sectional view of the device in FIG. ■
It is a longitudinal cross-sectional view along the line. Figures 7 to 10 are the second embodiment of the present invention.
7 is an exploded perspective view of the device of the present invention, FIG. 8 is a front view thereof, FIG. 9 is a cross-sectional view taken along line XX in FIG. 8, and FIG. FIG. 8 is a longitudinal sectional view taken along line XX. 11 and 12 show a third embodiment of the device of the present invention, FIG. 11 is a longitudinal sectional side view thereof, and FIG. 12 is a perspective view of the protector. 13 to 19 show a fourth embodiment of the present invention, and FIG. 13 is a side view of a motorcycle equipped with the device of the present invention;
Figure 4 is a front view of the XIV line, Figure 15 is an enlarged view of the XV section surrounded by the dotted chain line in Figure 13, and Figure 16 is a front view of the XIV line.
Figure 5 is a cross-sectional view taken along the line XVI-XVI, Figure 17 is a front view of the device of the present invention with the protector removed, Figure 18 is a longitudinal cross-sectional view taken along the line X-X■ in Figure 8, and Figure 19. 15 is a longitudinal sectional view taken along the line XIX-XIX in FIG. 15. FIG. C...cowl, F...body frame 131-134
...Side bumper, 161-164...Protector mounting hole, 30. ．． 30. ...Protector

Claims (1)

[Claims] In a full cowl type motorcycle in which a body frame is covered by a cowl, a side bumper is fixed to the outer surface of the body frame, and a protector mounting hole is provided in the cowl at a portion facing the side bumper,
The side bumper protrudes outward from the protector mounting hole, a protector engaged with the side bumper is removably attached to the protector mounting hole, and the protector protrudes outward from the outer surface of the cowl. A side bumper device for a full cowl type motorcycle, which is characterized by: