JP3476049B2 - Windshield for motorcycles - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a windshield device for a motorcycle, and more particularly to a windshield device for a motorcycle having an enhanced windproof effect on the upper body of the rider.

[0002]

2. Description of the Related Art As a conventional windshield device for a motorcycle, there is one disclosed in Japanese Patent No. 2527188 (see FIGS. 15 and 16).
In this case, the windshield 010 of the motorcycle 01 is composed of an upper half portion 010e and a lower half portion 010f, and the upper half portion 010e covers from the upper front of the front fork 05 to the front and upper portions of the bar handle 02. , Synthetic resin windscreen on top
It has 010g. And the windscreen 010g
In the lower part of the left and right outer frame part 010h of the upper half part 010e that surrounds the left and right of
An outside air inlet 010a is provided for each of the outside air inlets 010a.
The outside wind introduced from the inside flows in the air duct 010i (see FIG. 16) attached to the back surface of the left and right outer frame parts 010h and flows out at a high speed from the air outlet 010j. To drive the outside wind flowing backwards upward,
The wind pressure of the outside wind is compensated by the flow regulated only to the shape of 0, and the feeling of wind pressure felt by the rider is alleviated. Further, the windshield 010 has both an upper half portion 010e and a lower half portion 010f thereof fixed to and supported by the vehicle body frame. In this case, since the motorcycle 01 was relatively large, the windshield 010 could be fixed and supported on the body frame other than the bar handle 02. A motorcycle, particularly a scooter type vehicle cannot be equipped with such a windshield, and therefore, it has been desired to improve the riding environment (comfort of riding) by reducing wind pressure on the rider. Moreover, since the air duct 010i is specially attached, the structure is complicated.

Therefore, in order to solve this problem, FIG.
As shown in FIG. 7, the upper half of the windshield (hereinafter, simply referred to as windshield means the upper half of the windshield) 01
0 is made as small as necessary, and this also serves as an eaves for a speedometer (not shown) provided at the center of the bar handle 02 to cover the front handle upper surface of the front handle cover 08 which is inclined rearward and upward. As described above, when the windshield is attached to the front handle cover 08, the windshield can be applied to a small motorcycle, the windshield effect can be obtained, and the wind pressure received by the windshield is small. Since there is no means for compensating the wind pressure of the outside wind due to the flow restricted only to the shape, the outside wind flowing on the upper surface of the windshield 010 hits the pole portion A of the abdomen of the rider, and a wind pressure feeling was generated. Here, 09 is a rear handle cover, and the rear handle cover 09 and the front handle cover 08 constitute a handle cover 07.

[0004]

The invention of the present application is a windshield device for a motorcycle, which solves the above problems and improves the riding environment.
In the windshield device for a motorcycle including a speedometer in the central portion of the bar handle and a handle cover integrally covering the bar handle and the speedometer, the upper surface of the handle cover is A rear rising slope from the front center part of the handle cover to the front part of the speedometer, the upper side of the slope is covered with a small windshield, and a band-like wall surface is formed on the slope.
Lower wall of ribs connected to the outside air inlet provided in the windshield
The tip of the surface abuts the strip-shaped wall surface, and the lower wall of the rib
The windshield is attached to the handle cover by making the surface and the inclined surface continuous.
The outside wind introduced from the outside air inlet is inclined from the rib.
A windshield device for a motorcycle, wherein the windshield device is adapted to flow along the upper surface of the surface .

Since the invention described in claim 1 is configured as described above, the windshield is miniaturized to the minimum necessary,
Since it can be fixed and supported on the handle cover, it can be applied to small motorcycles, and the local wind pressure will not be felt, and it will be introduced from the outside air inlet provided in the windshield. has an outer wind, it flows between the upstream inclined plane of the windshield and the handle cover upper surface, to
That is, the outside air slides along the inclined surface that continues from the rib to the wall surface.
The outer wind that flows out to the rear and flows backward along the upper surface of the windshield merges with it while pulling it downwards, forming a bundle of relatively large flow that is dispersed over a wide area of the rider's abdomen. Therefore, the wind pressure of the outside wind is compensated by the flow restricted only to the shape of the windshield, the local wind pressure feeling felt by the rider is alleviated, and the riding environment is improved.
Furthermore, since a duct for guiding the outside wind introduced from the outside air inlet provided in the windshield is not particularly required, the structure can be simplified and the outside wind can also serve as a cloud stopper inside the windshield. You can

Further, by constructing the invention according to claim 1 as described in claim 2, it is possible to better achieve the above-described effects of the invention according to claim 1.

Further, by constructing the invention according to claim 1 or claim 2 as described in claim 3, it is possible to expand the front field of view of the rider, and to improve driving safety.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the invention described in claims 1 to 3 shown in FIGS. 1 to 14 will be described below. FIG. 1 is a partial schematic front view of a motorcycle equipped with a windshield device according to the present embodiment as seen from the front, FIG. 2 is a partial schematic side view of its front portion, and FIG. 3 is a bar as seen from a driver's seat. It is a front view of a vehicle body part centering on a handle and a handle cover. In these drawings, a bar handle 2 of a motorcycle 1 is integrally fixed to a top portion of a handle rotating shaft 3, and the handle rotating shaft 3 is rotatable with respect to a head pipe portion 4 of a vehicle body frame and is movable in an axial direction. It is rotatably supported, and its lower end is connected to a pair of left and right front forks 5 so that the front wheels 6 can be steered. In addition,
11 is a headlamp.

Most of the periphery of the bar handle 2 excluding the grip portion is covered with a handle cover 7, and the handle cover 7 is a front handle cover 8.
And a rear handle cover 9. Then, the handlebar cover 7 has the rear handlebar cover 9
Attachment means fixed to the bar handle 2 (not shown)
The front handle cover 8 is screwed to the rear handle cover 9 with a bolt or the like, or is fixed by a fitting relationship between a convex portion and a concave portion, so that the bar handle 2 as a whole is attached to the bar handle 2. It is fixed and supported.

4 to 6 show details of the front handle cover 8 and FIGS. 7 to 9 show details of the rear handle cover 9. In these figures, the rear edges 8b of both side surfaces 8a of the front handle cover 8 overlap the front edges 9b at the left and right ends of the upper surface 9a of the rear handle cover 9, and the screw holes 8c formed in the rear edge 8b are aligned with each other. A screw is inserted through the hole 9c formed in the front edge 9b, and the rear edge 8b and the front edge 9b are screwed together. Further, the rear edge 8e of the central surface 8d which is inclined upward to the rear of the front handle cover 8 overlaps with the front edge 9d of the central portion of the upper surface 9a of the rear handle cover 9 and is formed at the central portion of the rear edge 8e in the left-right direction. The front edge 9d into the hole 8f
A projection 9e protruding from the rear side of the upper surface 9a immediately rearward of the center portion in the left-right direction is fitted to connect the rear edge 8e and the front edge 9d. In this way, the upper portion of the front handle cover 8 and the upper portion of the rear handle cover 9 are connected to each other to form the top portion 7a of the handle cover 7.

Here, the rear handle cover 9
As shown in FIG. 9, the upper surface 9a of the device has an elongated strip shape as a whole, and the central portion thereof protrudes forward, both end portions thereof recede rearward, and is oriented slightly obliquely downward. Is formed in. Further, the lower end of the central surface 8d that is inclined rearward and upward (the start end of the inclination upward and rearward) is substantially the front center portion of the handlebar cover 7 in side view (see FIG. 2).

Further, the central portion in the left-right direction of the top portion 7a of the handle cover 7 is recessed in the shape of an elongated basin, and its opening is surrounded by the upper surface 9a and the central surface 9f of the rear handle cover 9 and the bottom portion thereof. Has an opening 9g formed by hollowing out a substantially elongated trapezoidal shape.
A transparent cover for covering the speedometer 12 (see Fig. 3) is attached. The speedometer main body is fixedly housed in the bar handle 2 in the space below the opening 9g (not shown).

The sloping surface 9h surrounding the basin-shaped depression formed as described above is formed such that the front and rear surfaces thereof are elongated strips and the left and right surfaces thereof are wide, and as a result, the front handle cover is formed. The rear surface of the central surface 8d which is inclined upward and rearward has a small distance such that the rear end thereof is separated from the slender band-shaped front surface of the slanted surface 9h and the slender band-shaped upper surface 9a.
Extends to the front part of.

The U-shaped slender slanted surface 8h that opens obliquely rearward connects the both side surfaces 8a of the front handle cover 8 and the lower center surface 8g sandwiched between the both side surfaces 8a to the center surface 8d. A plurality of screw holes 8i for screwing the windshield 10 described later are provided.

Further, a lower central portion of the central surface 8d of the front handle cover 8 is recessed into a substantially L shape in a side view and its corners are crushed to form an elongated strip-shaped wall surface 8j. The wall surface 8j has a windshield, which will be described later.
The tips of the lower wall surfaces of the ribs 10b connected to the outside air inlet 10a of 10 collide with each other, whereby the outside air flows from the ribs 10b along the upper surfaces of the inclined surface 8k and the central surface 8d following the wall surface 8j. It is designed to flow and smoothly flow backward.

As shown in detail in FIG. 10 and FIG. 11, the windshield 10 has left and right end portions with the long side of a substantially trapezoidal flat plate having the same length as the length of the short side in the central portion. Has a shape that is bent downward, and the lower center portion thereof has a substantially elongated mouth-like outside air in a front view at a portion substantially corresponding to the lower center portion of the center surface 8d of the front handle cover 8. An inlet 10a is formed. And the outside air inlet
A short tubular rib 10b that goes around the entire circumference of the outside air introduction port 10a is connected to the rear of the 10a, and the lower wall surface of the rib 10b is made longer than the other wall surface to raise the outside air upward. The front end of the front handle cover 8 is in contact with the elongated wall surface 8j formed in the lower central portion of the central surface 8d of the front handle cover 8 as described above. Further, screw insertion holes 10c are formed in front of and behind the left and right end portions of the windshield 10 in correspondence with the screw holes 8i provided in the inclined surface 8h of the front handle cover 8. The windshield 10 is made of synthetic resin and also serves as a lightweight windscreen.

The windshield 10 constructed as described above has a central surface 8d and an inclined surface 8k of the front handle cover 8.
And above the U-shaped inclined surface 8h, the hole 10
As shown in FIGS. 1 and 2, the screw is screwed into the screw hole 8i of the U-shaped inclined surface 8h through c to be attached and fixed to the handle cover 7 as shown in FIGS. As a result, the central surface 8d and the inclined surface 8k inclined rearward and upward of the front handle cover 8 are covered by the windshield 10 above them.

Next, as described above, the handle cover 7
The operation of the windshield 10 attached and fixed to will be described.
12 to 14, while the motorcycle is traveling, the outside wind Wo flows along the upper surface of the windshield 10 and flows out rearward,
Hit the abdomen of the rider. At the same time, the outside wind Wi is 10
Of the windshield 10 is introduced from the outside air inlet 10a into the windshield 10 and flows from the ribs 10b connected to the outside air inlet 10a along the upper surfaces of the inclined surface 8k and the central surface 8d as described above. While being regulated by the inner wall surface, it draws a curved streamline and smoothly flows out to the rear, hitting the abdomen of the rider. At this time, the outside wind Wi that flows out rearward also becomes a bundle of large streamlines as a whole while pulling the outside wind Wi that also flows out rearward from the windshield 10 slightly downward, and becomes a large abdomen of the rider's abdomen. The dispersion is relaxed and hits a relatively wide area B.

Due to such an action of the windshield 10, the windshield device according to the present embodiment has a flow regulated only by the shape of the windshield 10 as compared with the conventional windshield device without the outside air inlet 10a (see FIG. 17). The wind pressure of the outside wind is compensated, and the wind pressure feeling felt by the rider is satisfactorily alleviated. As a result, the riding environment is improved and the riding comfort is improved. Further, since the windshield 10 is miniaturized to the minimum required, the windshield 10 can be easily fixed and supported on the handle cover 7.
It can be applied to wheeled vehicles, and the rider does not feel wind pressure locally.

The outside air inlet 10a provided in the windshield 10
The structure can be simplified because no special duct for guiding the introduced outside air is required. Further, the outside wind Wi can also serve as an anti-fog inside the windshield 10. In addition, since the windshield 10 is made of synthetic resin and also serves as a lightweight windscreen, the front view of the rider can be expanded and driving safety can be improved.

[Brief description of drawings]

FIG. 1 is a partial schematic front view of a motorcycle equipped with a windshield device according to an embodiment of the invention of claims 1 to 3 of the present application.

FIG. 2 is a partial schematic side view of a front portion of the motorcycle of FIG. 1 including a bar handle.

FIG. 3 is a front view of a vehicle body part centering on a bar handle and a handle cover as seen from a driver's seat in the motorcycle of FIG.

FIG. 4 is a partial front view of the front handle cover in the embodiment of FIG.

FIG. 5 is a left side view of the same.

FIG. 6 is a partial plan view of the same.

FIG. 7 is a front view of the rear handle cover as seen from the driver's seat in the embodiment of FIG. 1.

FIG. 8 is a left side view of the same.

FIG. 9 is a partial plan view of the same.

FIG. 10 is a partial front view of the windshield in the embodiment of FIG.

FIG. 11 is a left side view of the same portion cut away.

FIG. 12 is a schematic perspective view for explaining the operation of the windshield device in the embodiment of FIG.

FIG. 13 is a schematic left side view of the same.

FIG. 14 is a schematic left side view of the same, showing the situation where the wind hits the rider.

FIG. 15 is a perspective view of a motorcycle including a conventional windshield device.

16 is a perspective view of an air duct attached to the windshield device of FIG.

FIG. 17 is a schematic left side view for explaining the operation of the conventional windshield device, which is similar to FIG.

[Explanation of symbols]

1 ... Motorcycle, 2 ... Bar handle, 3 ... Steering shaft, 4 ... Head pipe part, 5 ... Front fork, 6 ...
Front wheel, 7 ... Handle cover, 8 ... Front handle cover, 9 ... Rear handle cover, 10 ... Draft shield, 10a ... Outside air inlet, 11 ... Headlight, 12 ... Speedometer.

─────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-1-229785 (JP, A) JP-A-62-125963 (JP, A) JP-A-58-118470 (JP, A) Actual development Sho-63- 160289 (JP, U) Actual development Sho 62-138685 (JP, U) West German patent application publication 3941875 (DE, A1) West German patent application publication 3609595 (DE, A1) West German patent application publication 2408946 (DE, A1) Swiss patent invention 313902 (CH, A 5) Swiss patent invention 346779 (CH, A 5) (58) Fields investigated (Int.Cl. ⁷ , DB name) B62J 17/02 B62J 23/00

Claims (3)

(57) [Claims] 1. A windshield device for a motorcycle, comprising a speedometer in the center of a bar handle, and a handle cover integrally covering the bar handle and the speedometer, wherein a top surface of the handle cover is attached to the handlebar cover. From the front center part to the front part of the speedometer with a rear rising slope, while covering the upper side of the slope with a small windshield,
A strip-shaped wall surface is formed on the inclined surface, and the tip of the lower wall surface of the rib connected to the outside air introduction port provided in the windshield is
Abut the strip-shaped wall surface and connect the lower wall surface of the rib and the inclined surface
The windshield is attached to the handle cover and the outside air inlet
The outside air introduced from the ribs along the upper surface of the inclined surface
A windshield device for motorcycles characterized by being made to flow . 2. The windshield system for a motorcycle according to claim 1, wherein the motorcycle is a scooter type vehicle in which the abdomen of the rider is positioned immediately after the windshield. 3. The windshield device for a motorcycle according to claim 1, wherein the windshield is a windscreen made of synthetic resin.