JP3783718B2 - Motorcycle front cowling - Google Patents

Description

  The present invention relates to a front cowling of a motorcycle having a transparent wind screen.

  FIG. 7 is a longitudinal sectional view of the vicinity of the frontal portion of a motorcycle having a streamline front cowling. As shown in FIG. 7, the front cowling a has a structure in which a transparent wind screen c is attached to the upper part of a front panel b located at the frontal region with 6 to 8 screws d. A headlamp e is installed at the front end of the front panel b, meters f are arranged inside the wind screen c, and various electrical wirings are arranged in a space A between the headlamp e and the meters f. Established.

  And the shielding panel g is provided so that the said electrical wiring etc. may not be seen through the wind screen c from the outside. The shielding panel g is attached to a cowling brace (not shown) that supports the front cowling a, and a lower edge thereof abuts on the front panel b via a cushion material (vibration-proof material) h. Further, for the purpose of concealing the joint (cushion material h) between the front panel b and the shielding panel g, a blackout portion (non-transparent portion) is formed over the range B on the back side of the wind screen c. The

  In the conventional front cowling a, since the wind screen c is fastened to the front panel b with 6 to 8 screws d, a large number of screws d are exposed to the outside, which greatly impairs the aesthetic appearance of the motorcycle. It was a cause.

  Moreover, in addition to the need for many members such as nuts and washers together with the screw d, the shielding panel g is a separate part from the front panel b, and a member such as the cushioning material h is also required. The number of parts around a was large, making assembly difficult, and the manufacturing cost was high.

  In addition, the relative position of the shielding panel g with respect to the front panel b often shifts, and the shielding panel g is apt to be distorted, which again causes the aesthetic appearance to be impaired.

  On the other hand, the blackout portion on the back side of the windscreen c is formed by printing, masking, or film sticking, but in any case, the manufacturing cost of the windscreen c is increased.

  The present invention has been made to solve such problems. The windscreen can be fixed to the front panel firmly with a small number of parts and with good appearance, and the assembly around the windscreen is improved. An object of the present invention is to provide a front cowling for a motorcycle that can reduce manufacturing costs.

In order to solve the above-described problem, the front cowling of the motorcycle according to the present invention has a wind screen disposed at the upper portion of the front cowling and has an opening formed at the front end of the front cowling. headlamp is installed Te, the windscreen mounting edge portion of the front cowling upper is formed into a shape valley an upper portion of the headlamp, Ru is fastened to the cowling brace provided forehead of the body frame In the front cowling of a motorcycle in which the front head of the vehicle body is covered by the front cowling, the vehicle rear side of the side view mirror of the windscreen is behind the windscreen mounting edge of the front cowling in a side view of the vehicle Fixed in a state of protruding to the side, the windscreen An insertion flange shaped to extend toward the tip of the windscreen is inserted from above into the insertion slit located below the outer edge of the windscreen mounting edge of the front cowling and on the back side. In addition to being fixed, the center 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 insertion flange of the windscreen is screwed Then, it is fixed to the front cowling even near the side view mirror fixing base .

  The front cowling of the motorcycle according to the present invention has a good appearance with a small number of parts and can be firmly fixed to the front cowling, and further improves the assemblability around the windscreen and greatly improves the aesthetic appearance around the windscreen. Manufacturing cost can be reduced.

  In addition, the front cowling of the motorcycle according to the present invention allows easy positioning of the wind screen and the front cowling by inserting the protrusions of the wind screen into the recesses on the front cowling side, improving the assemblability around the wind screen. To do. Furthermore, fixing the side view mirror makes the screw inconspicuous and eliminates the concern about the appearance deterioration.

  An embodiment of a front cowling of a motorcycle according to the present invention will be described with reference to the drawings.

  FIG. 1 is a left side view of a vehicle front portion showing an example of a motorcycle to which a front cowling according to the present invention is applied.

  A front cowling 2 of the motorcycle 1 is streamlined so as to cover the front of the vehicle body, and includes a front panel 3 positioned in front, a pair of side panels 4 connected to the left and right sides thereof, and a front panel 3 is provided with a transparent wind screen 5 connected to the upper part of 3.

  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.

  In addition, the member shown with the code | symbol 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. A front fender 14 that covers the upper portion of the front wheel 12 is provided.

  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 headlamp 6 so that they cannot be seen through the transparent wind screen 5 and the appearance is improved. In addition, since the cushioning material 18 is stuck on the rear surface side 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, the traveling of the motorcycle 1 is performed. Occurrence of vibration noise associated with is prevented.

  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. 4A 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.

  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.

  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 portion 21 so that the fixing portions are not visible in appearance. 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 portions, respectively, and these welding pieces 22 and 23 are provided on the back side of the screen mounting edge portion 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.

  As shown in FIG. 3, a plurality of short ribs 25 and 26 project from the back surface of the screen mounting edge 21, while the welding pieces 22 of the shielding panel 17 and the welding pieces 23 of the left and right screen mounting members 20 </ b> L and 20 </ b> R. A plurality of slit-shaped notches 27 and 28 are formed in alignment with the ribs 25 and 26, respectively. These ribs 25 and 26 and notches 27 and 28 are provided as an example of positioning means.

  When the shielding panel 17 is welded to the back surface of the screen attachment edge 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 attachment edge 21. Further, when welding the screen mounting members 20L and 20R, 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.

  Since the ribs 25 and 26 and the notches 27 and 28 are provided, 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 portion 21, so that the welding work is dramatically improved. The assembly performance around the windscreen 5 is greatly improved.

  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 if the welding pieces 22 and 23 are fixed to the back 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 21.

  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 be shaped in a lower step, and 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.

  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 the screw holes 37, 38 from the outside, and a nut 40 is inserted from the inside. Is concluded.

  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.

  Meanwhile, 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 projecting piece 43 is provided at the center in the vehicle width direction of the insertion flange 36, and the recess 44 aligned with the position of the projecting piece 43 is a 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 at the center in the vehicle width direction but at other positions, or not limited to one location but a plurality of the like.

  The front cowling 2 configured as described above includes the screen mounting edge portion 21 of the front panel 3, the shielding panel 17 (the step portion 31) 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 wind screen 5 is inserted into the insertion slits 33 and 34, thereby fixing the wind screen 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.

  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.

  Further, since the shielding panel 17 conventionally provided inside the wind screen 5 is also used as a screen mounting member, it is not necessary to add a dedicated screen mounting member to this position, and the shielding panel 17 is mounted on the front panel. Since it is directly fixed to the panel 3, it is possible to omit the cushioning material 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 for concealing the cushioning material can be eliminated. 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.

  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.

  Further, 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. Note that 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.

  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.

  The front cowling 2 of the motorcycle 1 has screen mounting members 20L and 20R fixed to the back side of the screen mounting edge 21 of the front panel 3 so that the fixed portions cannot be seen from the outside. Since the windscreen 5 is fixed to the front panel 3 by inserting the insertion flange 36 of the windscreen 5 into the insertion slit 33 formed between the step portion 32 of the screen mounting member 20L and 20R, parts around the windscreen 5 The number of points can be reduced and the aesthetic appearance can be improved, and the manufacturing cost of the front cowling 2 can be reduced.

  In addition, since the front cowling 2 of the motorcycle 1 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. The front panel 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.

  Furthermore, since the front cowling 2 of the motorcycle 1 has screws 39 fastened to both ends of the insertion flange in the vicinity of both ends of the screen mounting edge portion 21 of the front panel 3, the wind screen 5 can be firmly fixed to the front panel 3. Moreover, since the screw 39 is exposed to the outside only at two points on both ends, the deterioration of the appearance can be suppressed to a small extent.

  The front cowling 2 of the motorcycle 1 is provided with a projecting piece 43 at least at one location of the insertion flange 36, and a recess 44 that is aligned with the position of the projecting piece 43 is formed in the insertion slit 33. 5 and the front panel 3 can be easily positioned and the assemblability around the wind screen 5 can be improved.

  Further, since the front cowling 2 of the motorcycle 1 is provided with positioning means 26, 28 on the back surface of the screen mounting edge 21 and the screen mounting members 17, 20L, 20R, the screen mounting members 17, 20L, 20R are screen-mounted. It is possible to easily position the edge portion 21 with high accuracy and to improve the assemblability around the wind screen 5.

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. The longitudinal cross-sectional view which expanded the II part vicinity of FIG. The disassembled perspective view which showed the screen attachment member provided with a front panel, a shielding panel, and left-right pair. It is a figure which shows one Embodiment of this invention, (a) is the longitudinal cross-sectional view which expanded the IVa part of FIG. 2, and showed the connection part of the front panel and windscreen in the part of a shielding panel, (b) is a screen. The longitudinal cross-sectional view which showed the connection part of the front panel and windscreen in the part of an attachment member. The perspective view which showed the state by which a windscreen is attached to a front panel. The longitudinal cross-sectional view which showed another fixing structure of the front panel and the shielding panel. The longitudinal cross-sectional view of front cowling front head vicinity which shows the prior art.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Motorcycle 2 Front cowling 3 Front panel 5 Wind screen 17 Screening member 20L, 20R which is also used as a screen mounting member Screen mounting member 21 Screen mounting edge portions 22, 23 Welding pieces 25, 26 which are fixing portions of the screen mounting member Ribs 27 and 28 which are examples of means Notches 31 and 32 which are examples of positioning means Steps 33 and 34 Insert slits 36 Insert flanges 43 Projection pieces 44 Recesses

Claims (1)

A wind screen is arranged at the top of the front cowling, an opening is formed at the front end of the front cowling, and a headlight is installed. The windscreen mounting edge at the top of the front cowling has a valley at the top of the headlamp. is formed in a shape, in the front cowling of a motorcycle forehead of the vehicle body is covered with a front cowling that will be fastened to the cowling brace provided forehead of the 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 has an insertion flange 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. While being inserted and fixed from above,
The center 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 by a screw even near the side view mirror fixing base .

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