JP3783421B2 - Motorcycle front cowling - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a front cowling of a motorcycle having a transparent wind screen.
[0002]
[Prior art]
FIG. 7 is a longitudinal sectional view of the vicinity of the frontal portion of a motorcycle having a streamline front cowling. As shown here, the front cowling 1 has a structure in which a transparent wind screen 3 is attached to an upper portion of a front panel 2 located in the frontal region with six to eight screws 4. A headlamp 5 is installed at the front end of the front panel 2, meters 6 are arranged inside the windscreen 3, and various electrical wirings are arranged in a space A between the headlamp 5 and the meters 6. Established.
[0003]
And the shielding panel 7 is provided so that the said electrical wiring etc. may not be seen through the windscreen 3 from the exterior. The shielding panel 7 is attached to a cowling brace or the like (not shown) that supports the front cowling 1, and a lower edge thereof is in contact with the front panel 2 via a cushion material (vibration-proof material) 8. Further, for the purpose of concealing the joint (cushion material 8) between the front panel 2 and the shielding panel 7, a blackout portion (non-transparent portion) is formed over the range B on the back side of the windscreen 3. The
[0004]
[Problems to be solved by the invention]
However, in such a conventional front cowling 1, since the wind screen 3 is fastened to the front panel 2 by 6 to 8 screws 4, a large number of screws 4 are exposed to the outside. It was a cause of serious damage to the aesthetic appearance.
[0005]
Moreover, in addition to the need for a large number of members such as nuts and washers together with the screw 4, the shielding panel 7 is a separate part from the front panel 2, and a member such as the cushioning material 8 is also required. The number of parts per turn is large, making assembly difficult and the manufacturing cost high.
[0006]
In addition, the relative position of the shielding panel 7 with respect to the front panel 2 often shifts, and the shielding panel 7 is apt to be distorted, which again causes the aesthetic appearance to be impaired.
[0007]
On the other hand, the blackout portion on the back side of the windscreen 3 is formed by printing, masking, or film sticking, but in any case, the manufacturing cost of the windscreen 3 is increased.
[0008]
The present invention has been made to solve such problems. The windscreen and the shielding panel can be fixed to the front panel firmly with a small number of parts and with good appearance, and can be assembled around the windscreen. An object of the present invention is to provide a motorcycle front cowling capable of improving the manufacturing cost and reducing the manufacturing cost.
[0009]
[Means for Solving the Problems]
In order to solve the above-described problem , a front cowling of a motorcycle according to the present invention has a wind screen disposed on an upper portion of the front cowling, and a headlamp is provided at the front end of the front cowling. A windscreen mounting edge at the top of the front cowling is formed into a bay shape with the top of the headlight as a valley, and is fastened to a cowling brace provided at the front of the vehicle body frame In the front cowling of a motorcycle in which the front head of the vehicle body is covered, the vehicle rear side of the side view mirror of the windscreen protrudes further to the vehicle rear side than the windscreen mounting edge of the front cowling in a side view of the vehicle The windscreen is fixed in the An insertion flange that is shaped to extend toward the tip of the windscreen is inserted into the insertion slit located below and on the back side of the outer edge of the windscreen mounting edge. The windscreen center in the vehicle width direction and the upper position of the headlamp are inserted and fixed in a recess provided on the front cowling side, and the insertion flange of the windscreen is screwed And is fixed to the front cowling.
[0014]
If the front cowling of the motorcycle is configured as described in claim 1, it is not necessary to use a large number of screws or the like for fixing the windscreen, and the windscreen can be fixed with a very small number of parts. Since the fixed portion is not visible in appearance, the aesthetic appearance around the windscreen is greatly improved, and the manufacturing cost is reduced.
[0016]
The front cowling of a motorcycle, since the both ends of the windscreen is screw fastened to the front panel, can firmly fix the wind screen on the front panel, and since the screw that exposed to the outside is only two points at both ends There is little deterioration of appearance.
[0017]
Furthermore, the front cowling of a motorcycle can be easily positioned between the windscreen and the front panel by inserting the protrusions formed on the insertion flange into the recesses formed on the insertion slit, improving the assembly around the windscreen. To do.
[0018]
Further, since the front cowling of the motorcycle can easily and accurately position the screen mounting member on the screen mounting edge portion of the front panel by the positioning means , the assemblability around the wind screen is also improved in this respect.
Further, a front cowling of the motorcycle, it is possible to accurately easily position and fix the windscreen in front cowling, assembly of the windscreen around is improved.
[0019]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a left side view of the forehead showing an example of a motorcycle to which a front cowling according to the present invention is applied.
[0020]
The front cowling 2 of the motorcycle 1 is shaped in a streamline shape covering the frontal portion of the vehicle body. The front cowling 2 includes a front panel 3 positioned in front, a pair of side panels 4 connected to the left and right sides, and a front panel 3. A transparent wind screen 5 connected to the upper part is provided.
[0021]
The front panel 3 is screwed to a subframe-shaped cowling brace provided at the front head of a vehicle body frame (not shown), a headlamp 6 is installed at the front end of the front panel 3, and direction indicators on both the left and right sides thereof. 7 and an air duct 8 are installed. A pair of side view mirrors 9 are fixed to the left and right sides of the upper end of the front panel 3.
[0022]
Note that the member denoted by reference numeral 11 in FIG. 1 is a front fork. The front fork 11 is pivotally supported by a front head of a vehicle body frame (not shown) so as to be turnable in the left-right direction. Further, a front fender 14 that covers the upper portion of the front wheel 12 is provided.
[0023]
FIG. 2 is an enlarged vertical cross-sectional view of the vicinity of a portion II in FIG. Meters 16 are arranged inside the wind screen 5, and a shielding panel 17 is installed so as to cover the upper part of the meters 16. The installation of the shielding panel 17 hides the electrical wiring and the like of the meters 16 and the headlamps 6 so that they cannot be seen through the transparent wind screen 5, thereby improving the appearance. Note that a cushioning material 18 is attached to the rear surface of the upper edge of the shielding panel 17 and the shielding panel 17 does not directly touch the meters 16 due to the intervention of the cushioning material 18, so that the motorcycle 1 travels. Occurrence of vibration noise associated with is prevented.
[0024]
FIG. 3 is an exploded perspective view showing the front panel 3 and the shielding panel 17 and a pair of left and right screen mounting members 20L and 20R. FIG. 4 (a) is an enlarged view of the IVa portion of FIG. It is the longitudinal cross-sectional view which showed the connection part of the front panel 3 and the windscreen 5 in the part. FIG. 4B is a longitudinal sectional view showing a connecting portion between the front panel 3 and the wind screen 5 at the screen mounting members 20L and 20R.
[0025]
As shown in FIGS. 2 to 4 (a) and 4 (b), the upper edge of the front panel 3 is formed with a screen attachment edge portion 21 that goes into a U-shape. The shielding panel 17 is fixed at the center in the vehicle width direction on the back side, and the screen mounting members 20L and 20R are fixed to the left and right sides of the shielding panel 17. The shielding panel 17 is also used as another screen mounting member located between the left and right screen mounting members 20L and 20R.
Further, since the shielding panel 17 itself is also used as a screen mounting member, the number of screen mounting members can be reduced correspondingly, and the cushioning material between the shielding panel 17 and the front panel 3 can be eliminated. The number of parts around the wind screen 5 can be reduced. In addition, since the shielding panel 17 is fixed to the front panel 3 in advance, the shielding panel 17 is fixed without distortion, and deterioration of the appearance is avoided, and a blackout portion for concealing the cushion material is formed on the back side of the windscreen 5. There is no need to do.
[0026]
The shielding panel 17 and the left and right screen mounting members 20L and 20R are fixed to the back surface side of the screen mounting edge 21 so that the fixed portions are not visible. For example, the shielding panel 17 and the left and right screen mounting members 20L and 20R are provided with welding pieces 22 and 23 as fixing parts, respectively, and these welding pieces 22 and 23 are provided on the back side of the screen mounting edge 21. Although it is welded and fixed, the welding position is on the inner side (lower side) of the outer edge of the screen mounting edge 21.
[0027]
As shown in FIG. 3, a plurality of short ribs 25 and 26 protrude from the back surface of the screen mounting edge 21, while the welding piece 22 of the shielding panel 17 and the welding pieces of the left and right screen mounting members 20L and 20R. A plurality of slit-shaped cutouts 27 and 28 are formed in 23, which are aligned with the ribs 25 and 26, respectively. The ribs 25 and 26 and the notches 27 and 28 are provided as an example of positioning means described in claim 5.
[0028]
When the shielding panel 17 is welded to the back surface of the screen mounting edge portion 21, the shielding panel 17 can be positioned by fitting the notch 27 of the shielding panel 17 to the rib 25 on the back surface of the screen mounting edge portion 21. Further, when the screen mounting members 20L and 20R are welded, the screen mounting members 20L and 20R can be positioned by fitting the notches 28 to the ribs 26 on the back surface of the screen mounting edge 21.
[0029]
By providing the ribs 25 and 26 and the notches 27 and 28, the shielding panel 17 and the screen mounting members 20L and 20R can be easily and accurately positioned on the back surface of the screen mounting edge 21, so that the welding work is dramatically improved. As a result, the assemblability around the windscreen 5 is greatly improved.
[0030]
Incidentally, step portions 31 and 32 are formed on the shielding panel 17 and the screen mounting members 20L and 20R. As shown in FIGS. 4A and 4B, these stepped portions 31 and 32 float from the screen mounting edge 21 even when the welding pieces 22 and 23 are fixed to the back surface side of the screen mounting edge 21. The state is maintained, and thereby, pocket-shaped insertion slits 33 and 34 are formed between the screen mounting edge portion 21.
[0031]
On the other hand, as shown in FIG. 5, an insertion flange 36 is formed on the lower edge of the windscreen 5 so as to have a lower step shape. The insertion flange 36 is inserted into the insertion slits 33 and 34. The wind screen 5 is fixed to the front panel 3 by being inserted.
[0032]
Further, screw holes 37 are formed near both ends of the screen mounting edge portion 21 of the front panel 3, and screw holes 38 are formed near both ends of the insertion flange 36 of the wind screen 5 (see FIG. 3 and FIG. 5). When the insertion flange 36 is inserted into the insertion slits 33, 34, the two types of screw holes 37, 38 are aligned, and a screw 39 is inserted into these screw holes 37, 38 from the outside, and a nut 40 is inserted from the inside. Is concluded.
[0033]
As described above, when the vicinity of both ends of the insertion flange 36 of the windscreen 5 is fastened to both ends of the screen mounting edge 21 using the screw 39 and the nut 40, the insertion flange 36 comes out of the insertion slits 33 and 34. The wind screen 5 is firmly fixed to the front panel 3.
[0034]
Incidentally, at least one protruding piece 43 is provided in the middle of the insertion flange 36. In this embodiment, as shown in FIG. 5, a protrusion 43 is provided at the center of the insertion flange 36 in the vehicle width direction, and the concave portion 44 aligned with the position of the protrusion 43 is the difference between the portions of the shielding panel 17. It is formed in the insertion slit 33 (step portion 31). By inserting the protruding piece 43 of the insertion flange 36 into the recess 44 of the insertion slit 33, the wind screen 5 and the front panel 3 can be easily positioned, and the assemblability around the wind screen 5 is improved. Note that the protruding pieces 43 and the recessed portions 44 may be provided not only in the center in the vehicle width direction but at other positions, or may be provided in a plurality without being limited to one place.
[0035]
The front cowling 2 configured as described above includes a screen mounting edge portion 21 of the front panel 3, a shielding panel 17 (step 31 thereof) fixed to the back side thereof, and a pair of left and right screen mounting members 20L and 20R ( Are inserted into the insertion slits 33 and 34, and the insertion flange 36 of the windscreen 5 is inserted into the insertion slits 33 and 34 to fix the windscreen 5 to the front panel 3. Because of the structure, it is not necessary to fasten the wind screen 5 to the front panel 3 using a number of screws or the like as in the prior art, and the wind screen 5 can be fixed with a very small number of parts.
[0036]
Moreover, since the shielding panel 17 and the screen mounting members 20L and 20R are fixed to the back side of the front panel 3 so that the fixing pieces 22 and 23, which are the fixing portions, are not visible, the parts such as screws. Combined with the small number of points, the aesthetic appearance around the windscreen 5 can be greatly improved, and at the same time the manufacturing cost of the front cowling 2 can be reduced.
[0037]
Further, since the shielding panel 17 that has been conventionally provided inside the wind screen 5 is also used as a screen mounting member, there is no need to add a dedicated screen mounting member to this position, and the shielding panel 17 Since it is directly fixed to the panel 3, it is possible to omit the cushioning material that was conventionally interposed between the front panel 3 and the shielding panel 17, so that the number of parts can be further reduced and the cushioning material can be concealed. Since it is not necessary to form the blackout portion on the back side of the windscreen 5, it is possible to further reduce the manufacturing cost.
[0038]
In addition, since the front cowling 2 is assembled after the shielding panel 17 is fixed to the front panel 3 in advance, the shielding panel 17 can be fixed to the front panel 3 without distortion. Deterioration can be prevented.
[0039]
Furthermore, since the left and right ends of the wind screen 5 are fastened to the front panel 3 with screws 39, the wind screen 5 can be firmly fixed to the front panel 3. The fastening screw 39 is exposed to the outside only at two points on both ends, and a pedestal 41 for fixing the side view mirror 9 is formed in the vicinity thereof, as shown in FIG. By fixing the side view mirror 9, the screw 39 becomes inconspicuous, and there is little fear of appearance deterioration.
[0040]
By the way, the welding piece 22 of the shielding panel 17 and the welding pieces 23 of the left and right screen mounting members 20L and 20R do not necessarily have to be fixed to the front panel 3 by welding, but may be fixed by, for example, adhesion. Alternatively, as shown in FIG. 6, fixing is performed such that a fastening piece 47 formed on a shielding panel 17 or a screen mounting member (not shown) is fastened with a screw 48 to a fastening boss 46 protruding from the back surface side of the screen mounting edge 21. It may be structured. Also in this case, the fastening boss 46, the fastening piece 47, and the screw 48 serving as the fixing portion must be provided at a position where they cannot be visually seen.
[0041]
Further, since the front cowling 2 of the motorcycle also uses the shielding panel 17 provided inside the wind screen 5 as a screen mounting member , the number of parts around the wind screen 5 is further reduced, and the shielding panel 17 is not distorted. 3 can be fixed to avoid deterioration of the appearance, and at the same time, the blackout portion on the back side of the wind screen 5 can be eliminated to reduce the manufacturing cost of the front cowling 2 .
[0042]
【The invention's effect】
In the front cowling of the motorcycle according to the present invention , the screen mounting member is fixed to the back side of the screen mounting edge of the front panel so that the fixing portion is not visually visible, and the screen mounting edge and the screen mounting are fixed. The windscreen insertion flange is inserted into the insertion slit formed between the stepped parts of the member and the windscreen is fixed to the front panel, reducing the number of parts around the windscreen and improving the aesthetic appearance. Cowling manufacturing costs can be reduced.
[0043]
Further, in the front cowling of the motorcycle according to the present invention, the wind screen can be firmly fixed to the front panel firmly because both ends of the insertion flange are screwed to both ends of the screen mounting edge, and the screw is externally provided. Since only two points at both ends are exposed, the deterioration of the appearance can be suppressed.
[0044]
Further, in the front cowling of the motorcycle according to the present invention, a protrusion is provided at least at one position of the insertion flange, and a recess that matches the position of the protrusion is formed in the insertion slit. The panel can be easily positioned and the assemblability around the wind screen can be improved.
[0045]
In addition, since the front cowling of the motorcycle according to the present invention has positioning means on the back surface of the screen mounting edge and the screen mounting member, the screen mounting member can be easily and accurately positioned on the screen mounting edge. The assemblability around the wind screen can be improved.
[Brief description of the drawings]
FIG. 1 is a left side view of a forehead showing an example of a motorcycle to which a front cowling according to the present invention is applied.
FIG. 2 is an enlarged longitudinal sectional view of the vicinity of a portion II in FIG.
FIG. 3 is an exploded perspective view showing a screen mounting member provided in a pair of left and right sides of a front panel and a shielding panel.
4 is a view showing an embodiment of the present invention, wherein (a) is a longitudinal cross-sectional view showing a connecting portion between a front panel and a wind screen in the shielding panel portion by enlarging the IVa portion of FIG. b) is a longitudinal sectional view showing a connection portion between the front panel and the wind screen in the screen mounting member.
FIG. 5 is a perspective view showing a state in which a wind screen is attached to the front panel.
FIG. 6 is a longitudinal sectional view showing another fixing structure of the front panel and the shielding panel.
FIG. 7 is a longitudinal sectional view of the vicinity of the front cowling forehead showing the prior art.
[Explanation of symbols]
1 Motorcycle 2 Front cowling 3 Front panel 5 Wind screen
17 Screening panel also used as a screen mounting member
20L, 20R Screen mounting member
21 Screen mounting edge
22, 23 Welding piece to be fixed part of screen mounting member
25, 26 Rib as an example of positioning means
27, 28 Notch as an example of positioning means
31, 32 steps
33, 34 Insertion slit
36 Insert flange
43
44 recess

Claims (1)

A wind screen is arranged at the top of the front cowling, a headlamp is arranged at the front end of the front cowling, and the windscreen mounting edge at the top of the front cowling is formed into a bay shape with the top of the headlamp as a valley In the front cowling of a motorcycle in which the front head of the vehicle body is covered with a front cowling fastened to a cowling brace provided on the front head of the vehicle body frame,
In a state of vehicle side view, the vehicle rear side of the side view mirror of the windscreen is fixed in a state of protruding to the vehicle rear side from the windscreen mounting edge of the front cowling,
The windscreen is an insertion shaped so as to extend toward the tip of the windscreen in an insertion slit disposed below and on the back side of the outer edge of the windscreen mounting edge of the front cowling. The flange is inserted and fixed from above,
The center portion of the windscreen in the vehicle width direction and the upper position of the headlamp are inserted into and fixed to a recess provided on the front cowling side, and
The front cowling of a motorcycle , wherein the insertion flange of the windscreen is fixed to the front cowling with a screw .

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