JP3159286U - Saddle riding vehicle - Google Patents

Abstract

A straddle-type vehicle with improved under cowl rigidity is provided. A straddle-type vehicle includes an under cowl that covers both left and right sides of an engine attached to a vehicle body frame. The under cowl 300 is attached to the left side member 301 that covers at least a part of the left side of the engine 200, the right side member 302 that covers at least a part of the right side of the engine 200, and the vehicle body frame 100. A front side member 303 that extends and connects the left side member 301 and the right side member 302 is provided. [Selection] Figure 5

Description

  The present invention relates to a saddle riding type vehicle, and more particularly to an under cowl of a saddle riding type vehicle.

  Saddle-ride type vehicles include vehicles equipped with cowls in order to reduce air resistance during travel. The cowl has an under cowl that covers the cylinder block and cylinder head of the engine. For example, Japanese Patent Publication No. 3-62590 discloses an under cowl in which lower connecting fins that cross the lower front side of a crankcase and an exhaust pipe are installed at the lower part of a pair of left and right side panel parts. Specifically, the side panel portion has a bilaterally symmetric shape, and a cooling air inlet as a front opening that opens in the front of the engine is formed between the front end portions. The lower portion of the front end of the side panel portion extends to the lower front side of the exhaust pipe led out from the front surface of the crankcase and cylinder head of the engine. And the lower connection fin is constructed between the front-end parts of this extension part.

Japanese Examined Patent Publication No. 3-62590

  The saddle riding type vehicle disclosed in Japanese Examined Patent Publication No. 3-62590 has no safety problem, but it is desired to increase the rigidity of the under cowl so that it can sufficiently withstand the air resistance during traveling. Furthermore, I would like to devise the shape so that traveling wind can be efficiently introduced into the engine.

  A straddle-type vehicle according to the present invention includes an under cowl that covers both left and right sides of an engine attached to a lower portion of a body frame. The under cowl includes a left side member that covers at least part of the left side of the engine and a right side member that covers at least part of the right side of the engine. Furthermore, the under cowl is attached to the vehicle body frame and includes a front member that extends to the left and right on the front side of the vehicle body frame and connects the left member and the right member.

  The under cowl of such a saddle-ride type vehicle is attached to the body frame, extends to the left and right on the front side of the body frame, and includes a front side member that connects the left side member and the right side member, thereby increasing the rigidity of the under cowl. Can do.

1 is a side view of a saddle riding type vehicle according to an embodiment of the present invention. The side view which shows the state which removed the under cowl in the saddle riding type vehicle which concerns on one Embodiment of this invention. The perspective view which shows the under cowl of the saddle riding type vehicle which concerns on one Embodiment of this invention. The side view which shows the left side member of the under cowl of the saddle riding type vehicle which concerns on one Embodiment of this invention. The front view which shows the state which attached the under cowl of the saddle riding type vehicle which concerns on one Embodiment of this invention to the vehicle body frame. The side view which shows the right side member of the under cowl of the saddle riding type vehicle which concerns on one Embodiment of this invention. The front view which shows the front side member of the under cowl of the saddle riding type vehicle which concerns on one Embodiment of this invention.

  Hereinafter, a straddle-type vehicle according to an embodiment of the present invention will be described with reference to the drawings. In the drawings, members / parts having the same action are described with the same reference numerals. Further, the present invention is not limited to the following embodiment. In addition, when “front”, “rear”, “left”, “right”, “upper”, “lower” is used for the saddle riding type vehicle, the driver is in a normal riding posture. Follow the direction seen from. Further, as necessary, the front side of the vehicle is indicated by “Fr”, the rear side by “Rr”, the left side by “L”, and the right side by “R”. Each drawing is shown on the assumption that it is viewed in the direction of the reference numerals.

  A straddle-type vehicle 1000 according to an embodiment of the present invention includes an under cowl 300 that covers both the left and right sides of an engine 200 attached to a vehicle body frame 100, as shown in FIG. Specifically, in this embodiment, the saddle riding type vehicle 1000 includes a small cowl 530 that covers the headlamp 520 attached to the handle 510 as shown in FIG. A fuel tank 540 is disposed on the rear side of the head pipe 101 of the vehicle body frame 100 to which the handle 510 is attached. Small side cowls 550 are respectively attached to the front sides of both sides of the fuel tank 540.

  FIG. 2 shows a state where the under cowl 300 is removed from the saddle riding type vehicle 1000. As shown in FIG. 2, the engine 200 is disposed under the fuel tank 540. In this embodiment, engine 200 is attached to body frame 100 between front wheel 601 and rear wheel 602 of saddle riding type vehicle 1000 and in a space below fuel tank 540. The engine 200 is disposed with the crankcase 201 facing down and the cylinder 202 facing up. Below the engine 200 is an oil reservoir 210 that stores the oil circulating through the engine 200. The crankcase 201 has a crankshaft disposed in the vehicle width direction. The engine 200 is attached to the vehicle body frame 100 via a plurality of brackets 121, 122, 123. In this embodiment, the lower part of the engine 200 is attached to the brackets 121 and 123, and the upper part of the cylinder 202 of the engine 200 is attached to the bracket 122. Although illustration is omitted, there are a pair of brackets 122 on the left and right sides, and the upper portions of the cylinders 202 are respectively attached to the vehicle body frame 100. The engine 200 is provided with a plurality of fins outside the cylinder 202. A bracket (footrest bracket 132) for attaching the footrest 131 is attached to the lower part of the body frame 100. Further, the left and right footless brackets 131 are further provided with attachment portions 133 for attaching the under cowl 300. As shown in FIG. 1, an operation pedal 250 that performs a shifting operation from the position where the footrest 131 is attached to the front side is disposed.

  In this embodiment, the under cowl 300 includes a left side member 301, a right side member 302, a front side member 303, and a stay 304 as shown in FIG. 3.

  As shown in FIG. 1, the left side member 301 covers at least a part of the left side of the engine 200. Specifically, in this embodiment, the left side member 301 covers the left side of the cylinder part of the engine 200 and the front side part of the left side of the crankcase 201. The said part is formed in the shape of the gentle curve which bulged a little outside. Furthermore, the lower part of the left side member 301 extends to the front side of the lower part of the body frame 100, and the vertical width becomes narrower toward the front side, so that a sharp sprint feeling of the saddle riding type vehicle is generated for the viewer. Designed.

  As shown in FIG. 4, on the inner side of the left member 301, there are connecting portions 311, 312, 314, and 316 connected to the front member 303, the stay 304, and the left mounting portion 133 (see FIG. 2), respectively. Is provided. The connecting portions 311 and 312 connected to the front member 303 are provided at two locations on the front side and the middle portion of the lower portion of the left member 301. Although not shown, the connection portions 311 and 312 are attached with spring nuts, and both are screwed to the front member 303 and the left member 301. The connecting portions 311 and 312 are reinforced with ribs. The connecting portion 314 attached to the stay 304 is provided on the upper side of the left member 301. In this embodiment, the connecting portion 314 is formed by a protrusion with a barb at the tip. A connecting portion 316 connected to the left mounting portion 133 (see FIG. 2) is provided on the rear side of the lower portion of the left member 301. In this embodiment, the connecting portion 316 is formed with a through hole for fastening to the left attachment portion 133 (see FIG. 2). The through hole is formed as a horizontally long hole to absorb mounting errors. The connecting portion 316 and the left attachment portion 133 (see FIG. 2) are attached by a rubber mount using rubber grommets.

  As shown in FIG. 3, the right member 302 has a substantially bilaterally symmetric shape with respect to the left member 301 and covers at least a part of the right side of the engine 200. In this embodiment, although not shown, the right side member 302 covers the right side of the cylinder portion of the engine 200 and the front side portion of the right side of the crankcase 201. Further, the lower portion of the right member 302 extends forward from the lower portion of the vehicle body frame 100. In this embodiment, a portion 321 through which the exhaust pipe 317 connected to the engine 200 is inserted is formed inside the right member 302 as shown in FIG. As shown in FIG. 6, the part 321 bulges outward and forms a recess inside.

  As shown in FIG. 5, the right side member 302 includes a front side member 303, a stay 304, and connecting portions 322, 323, 324, and 326 that are connected to the right mounting portion 133 (see FIG. 2). ing. The connecting portions 322 and 323 connected to the front member 303 are provided on the front side below the right member 302. A hole for fastening a screw for fastening the front side member 303 and the right side member 302 is formed in the connecting portion 322, and the periphery of the hole is reinforced with a rib. The connecting portion 323 is provided with an engagement piece. A connecting portion 324 connected to the stay 304 is provided on the upper side of the right member 302. In this embodiment, the connecting portion 324 is formed by a protrusion having a barb at the tip. A connecting portion 326 that is connected to the right attachment portion 133 (see FIG. 2) is provided on the rear side of the lower portion of the right member 302. In this embodiment, the connecting portion 326 is formed with a through hole for fastening to the right attachment portion 133 (see FIG. 2). The structure of the through hole is the same as that of the connecting portion 316 of the left member.

  In this embodiment, the left side member 301 and the right side member 302 are resin molded products, and each is formed by a pair of molds that mold the inside and the outside. That is, the shape of each part of the left side member 301 and the right side member 302 such as the above-described connecting portions and ribs is a shape that can be punched in the die cutting direction of the mold. Thereby, the left side member 301 and the right side member 302 can be formed by a pair of molds that do not have a complicated die cutting structure.

  As shown in FIG. 5, the front member 303 is attached to the vehicle body frame 100, extends left and right on the front side of the vehicle body frame 100, and connects the left member 301 and the right member 302.

  In this embodiment, as shown in FIG. 5, the front member 303 includes a rib 331, first wing parts 332 and 333, and second wing parts 334 and 335. An attachment portion 341 that is attached to the vehicle body frame 100 is provided on the rib 331. In this embodiment, the attachment portion 341 has a fastening hole for fastening to the bracket 121 with a bolt. As shown in FIG. 5, the rib 331 extends from the portion attached to the vehicle body frame 100 to the front side and the lower side. Further, the left and right side surfaces 351 and 352 of the rib 331 are inclined outward in the left-right width direction toward the rear.

  Further, as shown in FIG. 7, the first wing-like portions 332 and 333 extend in the width direction from the tip portion of the rib 331 to the left and right. The second wing portions 334 and 335 extend from the base end portion of the rib 331 to the left and right above the first wing portions 332 and 333. Connecting portions 361 and 362 connected to the left side member 301 and the right side member 302 are provided at intermediate portions of the left and right first wing-like portions 332 and 333, respectively. In this embodiment, screw holes for screwing are formed in the connecting portions 361 and 362. Further, the distal ends of the left first wing portion 332 and the second wing portion 334 are connected by a wall portion 363. The wall portion 363 has a shape that fits the inner surface of the left member 301 and includes a connecting portion 364 that is connected to the inner surface of the left member 301. In this embodiment, the left member 301 and the front member 303 are connected by connecting the connecting portions 311 and 312 of the left member 301 shown in FIG. 4 to the connecting portions 361 and 364 of the front member 303 shown in FIG. Yes.

  Further, in this embodiment, as shown in FIG. 7, the right first wing-like portion 333 is provided with a wall portion 365 connected to the inner surface of the right member 302 at the tip. The wall portion 365 has a shape that matches the inner surface of the right member 302 and includes a connecting portion 366 that is connected to the inner surface of the right member 302. In this embodiment, the right member 302 and the front member 303 are connected by connecting the connecting portions 322 and 323 of the right member 302 shown in FIG. 6 to the connecting portions 362 and 366 of the front member 303 shown in FIG. Yes. In this embodiment, the exhaust pipe 317 connected to the engine 200 extends to the front side of the engine 200, and extends rearward while drawing a U-shaped curve on the front side of the engine 200. As shown in FIG. 5, a gap through which the exhaust pipe 317 connected to the engine 200 is passed is formed between the tip of the right second wing portion 335 and the right member 302.

  In this embodiment, the front member 303 is a resin molded product, and the front member 303 is molded by a pair of molds that can be punched in the front-rear direction. That is, the shape of each part of the rib 331, the first wing-like portions 332 and 333, and the second wing-like portions 334 and 335 described above is a shape that can be punched in the die-cutting direction of the mold. Thereby, the front side member 303 can be shape | molded with a pair of metal mold | die which does not have a complicated die cutting structure.

  Next, as shown in FIG. 5, the stay 304 is attached to the vehicle body frame 100 above the front side member 303 and supports the upper portions of the left side member 301 and the right side member 302. In this embodiment, the stay 304 is a rod-shaped member. A bracket 125 for attaching the stay 304 is attached to the body frame 100 at a position above the position to which the front member 303 is attached. A mounting portion 372 is welded to the central portion 371 of the stay 304. The stay 304 is disposed on the front side of the vehicle body frame 100, and an attachment piece 372 is attached to the bracket 125 of the vehicle body frame 100 with bolts. The left and right side portions 373 and 374 of the stay 304 extend obliquely rearward and are connected to the connecting portions 314 and 324 on the upper side of the left member 301 and the right member 302 shown in FIGS. In this embodiment, the upper connecting portions 314 and 324 of the left side member 301 and the right side member 302 are formed by protrusions whose ends are turned back. For this reason, although not shown, flanges are formed at both left and right ends of the stay 304, and fitting holes into which the projections of the connecting portions 314 and 324 are fitted are formed in the flange. A rubber ring (bush) is fitted in the fitting hole, and the projections of the connecting portions 314 and 324 are fitted without looseness. According to this structure, the left member 301 and the right member 302 can be easily attached to or detached from the stay 304.

  The structure of the under cowl 300 in this embodiment has been described above. The under cowl 300 includes a left side member 301 that covers at least part of the left side of the engine 200 and a right side member 302 that covers at least part of the right side of the engine 200. A front member 303 is attached to the vehicle body frame 100 and extends left and right on the front side of the vehicle body frame 100 to connect the left member 301 and the right member 302 together. In this embodiment, since the front side member 303 that connects the left side member 301 and the right side member 302 is connected to the vehicle body frame 100, a member corresponding to the front side member is used as the vehicle body frame as disclosed in Japanese Patent Publication No. 3-62590. Compared to the case where the under cowl 300 is not connected to the base 100, the rigidity of the under cowl 300 can be ensured. Further, the under cowl 300 can be attached to the body frame 100 with high accuracy. Further, in this embodiment, since the under cowl 300 is composed of three members, that is, the left side member 301, the right side member 302, and the front side member 303, a simple pair of molds having no complicated die cutting structure. Can be molded. Also, for example, the left member 301, the right member 302, the front member 303, and the stay 304 can be painted in a state where the members are removed, so that each member can be easily painted according to the rider's preference, and Can be done beautifully.

  In this embodiment, the under cowl 300 covers both side portions of the engine 200 when viewed from the front side of the saddle riding type vehicle 1000 as shown in FIG. Therefore, traveling wind can be introduced from the front side of the under cowl 300 to both sides of the engine 200, and the engine 200 can be efficiently cooled.

  Further, as shown in FIG. 1, the under cowl 300 covers the front side portion of the engine 200 when viewed from the side of the saddle riding type vehicle 1000. For this reason, traveling wind can be efficiently introduced into the engine 200 from the front side of the under cowl 300. Thereby, engine 200 can be efficiently cooled. Further, in this embodiment, the under cowl 300 does not cover the rear portion of the engine 200 when viewed from the side of the saddle riding type vehicle 1000, and promptly releases the air around the engine 200 during traveling. Can do. Thereby, engine 200 can be efficiently cooled.

  Further, in this embodiment, the saddle riding type vehicle 1000 includes a stay 304 attached to the body frame 100 above the front side member 303, and the stay 304 includes upper portions of the left side member 301 and the right side member 302. I support it. Further, in this embodiment, the left member 301 and the lower portions 316 and 326 of the right member 302 are brackets attached to the vehicle body frame 100 (specifically, in this embodiment, the attachment portion 133 provided on the footrest bracket 312). ). Thereby, the rigidity of the under cowl 300 and the accuracy of the attachment position can be further improved.

  In this embodiment, the front member 303 includes a rib 331 extending from the portion attached to the vehicle body frame 100 to the front side and the lower side, and first wing-like portions 332 and 333 extending in the width direction from the tip of the rib 331 to the left and right. And. The first wing-shaped portions 332 and 333 are connected to the left member 301 and the right member 302. Further, the rib 331 is inclined outward in the left-right width direction as the left and right side surfaces 351, 352 move rearward. Further, second wing-like portions 334 and 335 extending left and right from the base end portion of the rib 331 are provided. Further, the left second wing-like portion 334 is connected to the left member 301. In this embodiment, the shape of the rib 331, the first wing-like portions 332 and 333, and the second wing-like portions 334 and 335 improves the rigidity of the under cowl 300, and traveling wind travels around the engine 200 during traveling. The engine 200 is efficiently cooled.

  In this embodiment, the front member 303 is formed with a gap through which the exhaust pipe 317 connected to the engine 200 is passed. For this reason, the under cowl 300 can be disposed without hindering the insertion of the exhaust pipe 317.

  The straddle-type vehicle according to one embodiment of the present invention has been described above with reference to the drawings. However, the present invention is not limited to the above-described embodiment.

  For example, the shape of each of the left side member, right side member, front side member and stay, the mounting structure of the under cowl to the body frame, the left side member, right side member, front side member and stay connecting structure constituting the under cowl, etc. The present invention is not limited to the above-described embodiment, and various modifications can be made. For example, in the above-described embodiment, the front side member includes the second wing-like portion extending left and right from the rib, and the left-side second wing-like portion is connected to the left-side member, but the right-side second wing-like portion is connected to the right side. You may connect with a member. In addition, the front member may include a second wing-like portion extending left and right from the rib, and the left and right second wing-like portions may be connected to the left side member and the right side member, respectively. The present invention is not limited to the above-described embodiment, and can be applied to various straddle-type vehicles.

100 Body frame 101 Head pipe 121-123, 125 Bracket 131 Footrest 132 Footrest bracket (bracket)
133 Mounting portion 200 Engine 201 Crankcase 202 Cylinder 300 Under cowl 301 Left side member 302 Right side member 303 Front side member 304 Stay 317 Exhaust pipe 321 Part through which exhaust pipe is inserted 331 Rib 332, 333 First wing part 334, 335 Second wing part 351, 352 Left and right side surfaces 363 Wall 365 Wall 510 Handle 520 Headlamp 530 Cowl 540 Fuel tank 550 Side cowl 601 Front wheel 602 Rear wheel 1000 Saddle-type vehicle

Claims (10)

With an under cowl that covers the left and right sides of the engine attached to the body frame,
The under cowl is
A left side member covering at least a part of the left side of the engine;
A right side member covering at least a part of the right side of the engine;
A straddle-type vehicle, comprising: a front member attached to the vehicle body frame, extending left and right on a front side of the vehicle body frame, and connecting the left member and the right member.   The straddle-type vehicle according to claim 1, wherein the under cowl covers both side portions of the engine when viewed from the front side of the straddle-type vehicle.   The straddle-type vehicle according to claim 1, wherein the under cowl covers a front portion of the engine when viewed from a side of the straddle-type vehicle.   The straddle-type vehicle according to claim 1, further comprising a stay attached to the vehicle body frame above the front member and supporting an upper portion of the left member and the right member.   The straddle-type vehicle according to claim 1, wherein lower portions of the left side member and the right side member are attached to a bracket attached to the vehicle body frame. The front member includes a rib extending from the portion attached to the vehicle body frame to the front side and the lower side;
A first wing-like portion extending in the width direction from the tip of the rib to the left and right,
The straddle-type vehicle according to claim 1, wherein the first wing-like portion is connected to the left side member and the right side member.   The straddle-type vehicle according to claim 6, wherein the rib is inclined outward in the left-right width direction as the left and right side surfaces are directed rearward.   The straddle-type vehicle according to claim 6, further comprising a second wing-like portion extending left and right from a base end portion of the rib.   The straddle-type vehicle according to claim 8, wherein the second wing-shaped portion is connected to the left side member and / or the right side member.   The straddle-type vehicle according to claim 1, wherein a gap through which an exhaust pipe connected to the engine passes is formed in the front member.

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