JP2009073225A - Scooter type vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a scooter type vehicle capable of more certainly protecting an under cowl using an under protector. <P>SOLUTION: The motorcycle 10 is provided with a front wheel 20; a foot board 40 arranged behind the front wheel 20 and placed with both legs of a rider; and the under cowl 35 arranged below the foot board 40. Further, the motorcycle 10 is provided with the under protector 700 covering a front part of the under cowl 35. The under protector 700 has a front end part circular along a track at steering of the front wheel 20. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a scooter-type vehicle including a wheel, a footboard on which both riders' feet are placed, and an under cowl disposed below the footboard.

  In motorcycles adapted to traveling on rough terrain, a method of attaching an under protector is widely used to protect the lower part of the vehicle body such as an engine (see, for example, Patent Document 1).

In addition, even a scooter type vehicle having a footboard on which a rider can put both feet is realized a model that can cope with traveling on rough terrain (for example, see Patent Document 2). In the scooter type vehicle, a metal under protector that protects the under cowl is provided on the under cowl disposed below the footboard.
Japanese Patent Laid-Open No. 9-175465 (page 3, FIG. 2-4) Japanese Patent Laid-Open No. 10-218058 (FIG. 1)

  By the way, in the above-described conventional scooter type vehicle, the under cowl is formed below the footboard and connected to the leg shield disposed in front of the rider's legs. The leg shield is disposed immediately behind the front wheel. That is, if the front end portion of the under protector is brought close to the front wheel in order to reliably protect the front end portion of the under cowl, the front wheel is brought into contact. For this reason, the conventional scooter type vehicle described above has a problem that even if an under protector is used, the under cowl, particularly the front end of the under cowl cannot be reliably protected.

  Therefore, the present invention has been made in view of such a situation, and an object of the present invention is to provide a scooter type vehicle that can protect an under cowl more reliably using an under protector.

  In order to solve the problems described above, the present invention has the following features. First, the first feature of the present invention is that a wheel (front wheel 20), a footboard (footboard 40) on the rear of the wheel on which the rider's feet are placed, and a lower part of the footboard. A scooter type vehicle (motorcycle 10) having an under cowl (under cowl 35) to be provided, and comprising an under protector (under protector 700) covering at least a front portion of the under cowl, wherein the under protector includes the wheel The gist of the present invention is to have a front end portion (front end portion 700fe) that is arcuate along the locus (trajectory T) during steering.

  According to such a scooter type vehicle, the front end portion of the under protector has an arc shape along a locus during wheel steering. For this reason, compared with the case where the front-end part of an under protector is linear, an under cowl can be protected more reliably, avoiding a contact with a wheel.

  The second feature of the present invention is related to the first feature of the present invention, wherein the front end portion has an arc shape recessed toward the rear of the scooter type vehicle in a plan view of the under protector. And

  A third feature of the present invention is related to the first feature of the present invention, wherein the front end portion has an arc shape recessed toward the lower side of the scooter type vehicle in a front view of the under protector. And

  A fourth feature of the present invention relates to the first feature of the present invention, and is summarized in that a predetermined gap (gap G) is formed between the under cowl and the under protector.

  A fifth feature of the present invention is according to the first feature of the present invention, wherein the under protector is formed with a bulging portion (bulging portions 720 to 722) at least partially bulging downward. This is the gist.

  A sixth feature of the present invention is related to the fifth feature of the present invention, and is summarized in that a plurality of the bulging portions are formed in the under protector.

  A seventh feature of the present invention relates to the fifth feature of the present invention, and is summarized in that the bulging portion is formed at a front portion (front portion 700f) of the under protector.

  An eighth feature of the present invention relates to the fifth feature of the present invention, and is summarized in that the bulging portion is formed by extruding a part of the under protector.

  A ninth feature of the present invention is related to the eighth feature of the present invention, and is characterized in that a bent portion (bent portions 720a to 722a) in which the under protector is bent is formed in the bulged portion. To do.

  A tenth feature of the present invention relates to the first feature of the present invention, and is summarized in that the under protector extends to a side portion (side portion 35bl) of the scooter type vehicle.

  An eleventh feature of the present invention relates to the eighth feature of the present invention, wherein the under protector has a maximum width portion (maximum width portion 730) having the widest width in the vehicle width direction, and the maximum width portion is The gist is that it is provided in an intermediate portion (intermediate portion 700 m) of the under protector in the vehicle longitudinal direction.

  A twelfth feature of the present invention relates to the eleventh feature of the present invention, and is summarized in that the maximum width portion is provided at a substantially center (center 700c) of the under protector in the vehicle longitudinal direction.

  According to the characteristics of the present invention, it is possible to provide a scooter type vehicle that can protect an under cowl more reliably using an under protector.

  Next, an embodiment of a scooter type vehicle according to the present invention will be described with reference to the drawings. Specifically, (1) the overall schematic configuration of the scooter type vehicle, (2) the shape of the under protector, (3) the mounting state of the under protector, (4) the action / effect, and (5) other embodiments will be described. .

  In the following description of the drawings, the same or similar parts are denoted by the same or similar reference numerals. However, it should be noted that the drawings are schematic and ratios of dimensions and the like are different from actual ones.

  Accordingly, specific dimensions and the like should be determined in consideration of the following description. Moreover, it is a matter of course that portions having different dimensional relationships and ratios are included between the drawings.

(1) Overall Schematic Configuration of Scooter Type Vehicle FIG. 1 is a left side view of a motorcycle 10 constituting a scooter type vehicle in the present embodiment.

  As shown in FIG. 1, the motorcycle 10 includes a front wheel 20 and a rear wheel 90. The motorcycle 10 is a space for allowing a rider, specifically, a main rider who drives the motorcycle 10 to sit in front of a seat 80 to pass the rider's legs when getting on and off to facilitate getting on and off the main rider. A so-called scooter type in which S is formed.

  The motorcycle 10 includes a large front fender 400 and a mudguard 640 to cope with off-road traveling. The front cover 200 is provided with a headlight guard 270. Further, the under cowl 35 is provided with an under protector 700.

  The front wheel 20 is rotatably supported by a pair of left and right front forks 21. A leg shield 30 is disposed behind the front wheel 20.

  The leg shield 30 is located in front of the leg of the main rider and prevents the traveling wind or the like from directly hitting the leg of the main rider. A footboard 40 is connected to the leg shield 30.

  The foot board 40 is provided in front of and below the seat 80. On the footboard 40, both feet of the main rider are placed. An under cowl 35 is disposed below the footboard 40.

  The under cowl 35 extends from the lower side of the footboard 40, specifically, the lower side of the footboard 40 toward the upper side of the motorcycle 10, and is disposed in front of the legs of the main rider. Specifically, the under cowl 35 is disposed below the foot board 40 and is disposed between the front wheel 20 and the leg shield 30.

  The under cowl 35 is connected to the leg shield 30, the footboard 40 and the front cover 200. The under cowl 35 is attached to the vehicle body frame 100.

  A unit swing type engine 50 is disposed behind the footboard 40. The unit swing type engine 50 is used as a power unit of the motorcycle 10. Specifically, the unit swing type engine 50 drives the rear wheel 90 via a drive belt (not shown).

  A seat 80 is disposed above the unit swing type engine 50. A main rider and a passenger (tandem rider) are seated on the seat 80. The seat 80 is supported by a vehicle body frame 100 that forms the skeleton of the motorcycle 10.

  The front cover 200 covers the front part of the motorcycle 10. The front cover 200 covers the legs of the main rider placed on the footboard 40 on the front side of the motorcycle 10.

  The front cover 200 is provided with a headlight 281 and an auxiliary light 286. In the present embodiment, a headlight guard 270 is attached to the front cover 200.

  FIG. 2 is a partial front view of the motorcycle 10. Specifically, FIG. 2 shows a front cover 200, an under cowl 35, and an under protector 700. In FIG. 2, illustration of the front wheel 20 and the like is omitted.

  The front cover 200 is provided with a headlight 281 and an auxiliary light 286. A headlight guard 270 disposed on the side and below the headlight 281 is attached to the front cover 200.

  A front wall portion 35 a of the under cowl 35 is connected to the lower end portion 200 a of the front cover 200. The front wall portion 35 a extends downward from the lower end portion 200 a of the front cover 200. The under cowl 35 is formed with a space 35s in which the front wheel 20 (see FIG. 1) is disposed.

  A bottom portion 35b of the under cowl 35 is provided below the space 35s. The bottom portion 35b is formed along the vehicle width direction (LR direction in the drawing) of the motorcycle 10. An under protector 700 is attached to the bottom portion 35b.

  The under protector 700 covers the front part of the under cowl 35, specifically, the front part of the bottom part 35b.

(2) Shape of Under Protector FIG. 3 is a left side view of the under protector 700. FIG. 4 is a plan view of the under protector 700.

  As shown in FIGS. 3 and 4, the under protector 700 includes a bottom plate portion 701 and side plate portions 702L and 702R. The under protector 700 is created by forming a metal plate.

  The bottom plate portion 701 is attached to face the bottom portion 35b of the under cowl 35. The side plate portion 702L (702R) is disposed on the outer side in the vehicle width direction of the side portion 35bl (35br) of the bottom portion 35b.

  In the front portion 700 f of the under protector 700, bulged portions 720 to 722 are formed. At least a part of the bulging parts 720 to 722 bulge toward the lower side of the motorcycle 10. Specifically, the bulging portion 720 (˜722) has a portion that bulges toward the front of the motorcycle 10 and a portion that bulges toward the lower side of the motorcycle 10.

  The bulging portions 720 to 722 are formed by extruding a corresponding portion of the under protector 700, specifically, the bottom plate portion 701. Further, a bent portion 720a (up to 722a) in which the bottom plate portion 701 of the under protector 700 is bent is formed in the bulging portion 720 (up to 722).

  The front end portion 700fe of the under protector 700 has an arc shape along the trajectory T when the front wheels 20 are steered. Specifically, the front end portion 700fe has an arc shape that is recessed toward the rear (RR direction in FIG. 4) of the motorcycle 10 in a plan view of the under protector 700.

  Further, as shown in FIG. 2, the front end portion 700 fe has an arc shape that is recessed toward the lower side of the motorcycle 10 in a front view of the under protector 700.

  The under protector 700 has a maximum width portion 730 having the widest width in the vehicle width direction (LR direction in FIG. 4). The maximum width portion 730 is provided in an intermediate portion 700m of the under protector 700 in the vehicle front-rear direction (FL-RR direction in FIG. 4). The intermediate portion 700m is a portion excluding the front portion 700f and the rear portion 700r of the under protector 700. Specifically, the intermediate portion 700m refers to a portion of about 1/3 of the longitudinal length of the under protector 700 including the center 700c of the under protector 700.

  The maximum width portion 730 is provided at the center 700c of the under protector 700 in the vehicle longitudinal direction.

  A rear bulge portion 740 is formed in the rear portion 700 r of the under protector 700. The rear bulge portion 740 is formed by extruding a corresponding portion of the bottom plate portion 701 in the same manner as the bulge portions 720 to 722. An outer groove portion 741 that is recessed toward the bottom portion 35 b of the under cowl 35 is formed around the rear bulge portion 740.

  The bottom plate portion 701 of the under protector 700 is provided with recesses 750A and 750B in which insertion holes (not shown) through which the screws 760 for fixing the under protector 700 to the under cowl 35 are inserted are formed.

(3) Attached state of the under protector FIG. 5 is a cross-sectional view of the bottom 35b of the under cowl 35 and the under protector 700 along the line F5-F5 shown in FIG.

  As shown in FIG. 5, the under protector 700 is fixed to the bottom portion 35 b using a screw 760 and a nut 770. The outer surface of the nut 770 is covered with rubber. When the screw 760 is screwed into the nut 770, a part of the rubber covering the outer surface of the nut 770 enters the insertion hole (not shown). Of the under protector 700, only the recesses 750A and 750B formed in the under protector 700 are in contact with the bottom portion 35b. For this reason, a gap G is formed between the bottom 35 b of the under cowl 35 and the under protector 700.

  Also, as shown in FIG. 2, the under protector 700, specifically, the side plate portions 702L and 702R, extends to the side portions 35bl and 35br of the bottom portion 35b.

(4) Action / Effect According to the motorcycle 10, the front end portion 700fe of the under protector 700 has an arc shape along the locus T when the front wheel 20 is steered. For this reason, compared with the case where the front end portion 700fe of the under protector 700 is linear, the under cowl 35 can be more reliably protected while avoiding contact with the front wheel 20.

  Further, by forming the front end portion 700fe into an arc shape along the trajectory T when the front wheels 20 are steered, the under cowl 35 to which the under protector 700 is attached is more forward than when the front end portion 700fe is linear. Can be arranged. For this reason, the footrest space of the main rider can be expanded, that is, the front and rear length of the footboard 40 can be extended.

  In the present embodiment, the front end portion 700 fe has an arc shape that is recessed toward the rear of the motorcycle 10 in a plan view of the under protector 700. Further, the front end portion 700 fe has an arc shape that is recessed toward the lower side of the motorcycle 10 in a front view of the under protector 700. For this reason, the under protector 700 can be brought close to the front wheel 20 while avoiding contact with the front wheel 20. That is, according to the under protector 700, the under cowl 35 can be more reliably protected.

  In the present embodiment, a gap G is formed between the under cowl 35 and the under protector 700. For this reason, even if gravel or the like rolled up by the front wheel 20 collides with the under protector 700, vibration transmitted to the under cowl 35 is reduced. That is, the under cowl 35 can be more reliably protected. Further, since vibration transmitted to the under cowl 35 is reduced, vibration transmitted to both feet of the main rider placed on the footboard 40 is also reduced. Further, in the present embodiment, when the screw 760 is screwed into the nut 770, a part of the rubber covering the outer surface of the nut 770 enters the insertion hole (not shown), so that the vibration of the under protector 700 is caused by the under cowl. The under protector 700 can be securely fixed to the under cowl 35 while suppressing the transmission to the under cowl 35.

  In the present embodiment, bulged portions 720 to 722 are formed in the front portion 700 f of the under protector 700. In addition, the bulging portion 720 (˜722) is formed with a bent portion 720a (˜722a) where the under protector is bent. For this reason, it is possible to improve the rigidity of the front portion 700f where gravel or the like rolled up by the front wheel 20 easily collides.

  In the present embodiment, the under protector 700 extends to the side portions 35bl and 35br of the bottom portion 35b located under the under cowl 35. Further, the maximum width portion 730 of the under protector 700 is provided in the middle portion 700m of the under protector 700, specifically, at the center 700c in the vehicle front-rear direction. For this reason, the vehicle width direction outer side part of the under cowl 35 can also be reliably protected.

(5) Other Embodiments As described above, the content of the present invention has been disclosed through one embodiment of the present invention. However, it is understood that the description and drawings constituting a part of this disclosure limit the present invention. should not do. From this disclosure, various alternative embodiments will be apparent to those skilled in the art.

  For example, in the above-described embodiment, the under protector 700 extends to the side portions 35bl and 35br of the bottom portion 35b positioned below the under cowl 35. However, the under protector 700 is not necessarily the side portion of the bottom portion 35b. It does not need to extend to 35bl and 35br.

  In the embodiment described above, the bulging portions 720 to 722 are formed in the under protector 700, but the bulging portions 720 to 722 may not be formed in the under protector 700. Further, there may be no gap G formed between the under cowl 35 and the under protector 700.

  In the embodiment described above, the under cowl 35 has the front wall portion 35a and the bottom portion 35b. However, the under cowl 35 may have only the bottom portion 35b. Alternatively, the front wall portion 35a and the bottom portion 35b may be configured as separate parts.

  As described above, the present invention naturally includes various embodiments that are not described herein. Therefore, the technical scope of the present invention is defined only by the invention specifying matters according to the scope of claims reasonable from the above description.

1 is a left side view of a motorcycle 10 according to an embodiment of the present invention. 1 is a partial front view of a motorcycle 10 according to an embodiment of the present invention. It is a left view of the under protector 700 which concerns on embodiment of this invention. It is a top view of the under protector 700 which concerns on embodiment of this invention. It is sectional drawing of the bottom part 35b of the under cowl 35 and the under protector 700 which followed the F5-F5 line shown in FIG. 2 which concerns on embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 ... Motorcycle, 20 ... Front wheel, 21 ... Front fork, 30 ... Leg shield, 35 ... Under cowl, 35a ... Front wall part, 35b ... Bottom part, 35bl, 35br ... Side part 35s ... Space, 40 ... Footboard, DESCRIPTION OF SYMBOLS 50 ... Unit swing type engine, 80 ... Seat, 90 ... Rear wheel, 100 ... Body frame, 200 ... Front cover, 200a ... Lower end, 270 ... Headlight guard, 281 ... Headlight, 286 ... Auxiliary light, 400 ... Front Fender, 640 ... Mudguard, 700 ... Under protector, 701 ... Bottom plate, 702L, 702R ... Side plate, 700c ... Center, 700m ... Middle, 700r ... Rear, 700f ... Front, 700fe ... Front end, 720-722 ... Bulge part, 720a to 722a ... bent part, 730 ... maximum width part, 40 ... rear expansion portion, 741 ... outer groove, 750A, 750B ... recess 760 ... screw, 770 ... nut, G ... gap, S ... space, T ... trajectory

Claims (12)

Wheels,
A footboard disposed behind the wheel and on which the rider's feet are placed;
A scooter type vehicle comprising an under cowl disposed below the footboard,
An under protector covering at least a front portion of the under cowl;
The under protector is a scooter type vehicle having a front end portion that is arcuate along a locus during steering of the wheel.   The scooter type vehicle according to claim 1, wherein the front end portion has an arc shape that is recessed toward the rear of the scooter type vehicle in a plan view of the under protector.   2. The scooter type vehicle according to claim 1, wherein the front end portion has an arc shape that is recessed downward from the scooter type vehicle in a front view of the under protector.   The scooter type vehicle according to claim 1, wherein a predetermined gap is formed between the under cowl and the under protector.   The scooter type vehicle according to claim 1, wherein the under protector is formed with a bulging portion at least partially bulging downward.   The scooter type vehicle according to claim 5, wherein the under protector is formed with a plurality of the bulging portions.   The scooter type vehicle according to claim 5, wherein the bulging portion is formed at a front portion of the under protector.   The scooter type vehicle according to claim 5, wherein the bulging portion is formed by extruding a part of the under protector.   The scooter type vehicle according to claim 8, wherein the bulge portion is formed with a bent portion where the under protector is bent.   The scooter type vehicle according to claim 1, wherein the under protector extends to a side portion of the scooter type vehicle. The under protector has a widest maximum width portion in the vehicle width direction,
The scooter type vehicle according to claim 8, wherein the maximum width portion is provided at an intermediate portion of the under protector in the vehicle front-rear direction.   The scooter type vehicle according to claim 11, wherein the maximum width portion is provided at a substantially center of the under protector in the vehicle longitudinal direction.

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