JPH11321749A - Motorcycle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a vehicle from spreading outward in spite of an installed supporting bar and to prevent the supporting bar from touching an obstacle. SOLUTION: In a motorcycle provided with a side cover 69 surrounding the lower side of a seat 5 arranged in a body frame, a supporting bar 90 extending backward from the body frame so as to surround the upper side of a rear wheel, and a spare wheel 140 provided removably in the back of the supporting bar 90, the lower end of the side cover 69 passes through above the rear wheel 33 and extends upward to the back side, and the supporting bar 90 is arranged below the lower end of the side cover 69.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a motorcycle having spare wheels detachably provided.

[0002]

2. Description of the Related Art A conventional motorcycle is provided with a rear cover which surrounds a lower portion of a seat disposed on a body frame, for example.
There is a type in which a support bar is provided to extend rearward from the vehicle body frame so as to surround the rear wheel, and a spare wheel is detachably provided at a rear portion of the support bar.

[0003]

As described above, in the case where the spare wheel is detachably provided at the rear portion of the support bar, since the support bar is located outside the side cover, the vehicle spreads outward and becomes large. In addition, there is a problem that the support bar easily comes into contact with an obstacle.

[0004] The present invention has been made in view of such circumstances, and prevents a vehicle from spreading outward despite having a support bar, and also prevents the support bar from contacting an obstacle. It is intended to provide a scooter type vehicle.

[0005]

In order to solve the above-mentioned problems and to achieve the object, an invention according to claim 1 is characterized in that the vehicle body frame includes a side cover which surrounds a lower portion of a seat disposed on the vehicle body frame. A motorcycle provided with a support bar extending so as to surround the upper part of the rear wheel from the rear, and having a spare wheel detachably attached to the rear part of the support bar, wherein a lower end of the side cover passes through an upper position of the rear wheel and is positioned rearward and upward. And a support bar disposed below the lower end of the side cover. 』
It is possible to form a space at the lower end of the side cover, and by arranging the support bar in this space, it is possible to prevent the vehicle from spreading outward despite having the support bar, and furthermore, the support bar is Contact with an obstacle can be prevented.

According to a second aspect of the present invention, there is provided an apparatus as described above, wherein the support bar comprises a pair of left and right sidebars and a carrier connected to the rear portions of the pair of left and right sidebars. 2. The carrier according to claim 1, wherein the carrier is detachably provided with the spare wheel.
The motorcycle described. ], The support bar is composed of three members, and the step and the spare wheel can be securely provided on the support bar with a simple structure.

According to a third aspect of the present invention, there is provided a method according to the second aspect, wherein the pair of left and right side bars has a right side bar disposed above the muffler at an upper position with respect to a left side bar. The motorcycle described. By arranging the right side bar avoiding the muffler, the vehicle can be prevented from spreading outward.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A motorcycle according to an embodiment of the present invention will be described below in detail with reference to the accompanying drawings. 1 is a side view of a scooter-type vehicle, FIG. 2 is a side view of the scooter-type vehicle with a body cover removed, FIG. 3 is a side view of a rear part of the scooter-type vehicle, and FIG. 4 is a plan view of a rear part of the scooter-type vehicle. 5 is a rear view of the rear part of the scooter type vehicle, FIG. 6 is a side view of the left side bar as viewed from outside, FIG. 7 is a plan view of the left side bar, and FIG. 8 is a side view of the right side bar as viewed from inside. FIG. 9 is a plan view of the right side bar, FIG. 10 is a side view of the carrier, FIG. 11 is a plan view of the carrier, and FIG. 12 is a rear view of the carrier.

FIG. 1 shows a motorcycle of a scooter type vehicle having a low-floor footrest 7 between a handle 3 and a seat 5. The scooter type vehicle 1 has a seat 5
A driver seat portion 5a and a tandem seat portion 5b are formed in the vehicle, so that two-seater passengers can be used. Scooter type vehicle 1
Is a down pipe 11 extending downward from the head pipe 9 and then bending toward the rear of the vehicle body.
The tip is connected to the down tube 11 and the foot rest 7
The vehicle body frame 15 includes a pair of left and right rear frames 13 extending substantially horizontally downward from the rear of the footrest 7 upwardly and obliquely rearward from the rear of the footrest 7. Having. Head pipe 9
A rotatably supports a steering shaft 17 provided with a handle 3 at an upper end, and a front fork 21 for rotatably supporting a front wheel 19 is fixed to a lower end of the steering shaft 17.

A unit swing type engine 35 is attached to the rising portions of the pair of right and left rear frames 13 via a link mechanism 30 so as to be vertically swingable.
The unit swing type engine 35 includes an engine 35a.
And V that transmits the power of the engine 35a to the rear wheels 33.
The transmission case 35b accommodating a belt (not shown) is integrated. The transmission case 35b extends rearward from the left side of the crankcase of the engine 35a, and supports the rear wheel 33 inside the rear part. The rear end of the transmission case 35b is supported by the rear frame 13 via the shock absorber 37.

The body frame 15 is covered with a body cover 60 as shown in FIG. The vehicle body cover 60 includes a front cover 61 that covers the front of the head pipe 9, a leg shield 63 that covers the rear of the head pipe 9 and the down tube 11, and a substantially horizontal portion of the pair of right and left rear frames 13 connected to the lower ends of the leg shields 63. A footrest 7 covering the upper part of the front part, a pair of left and right molding side covers 66 extending downward from both side edges of the footrest 7 and covering the side portions of the space below the footrest 7, and a footrest 7;
A lower seat front cover 67 that rises upward from the rear end to cover the lower part of the front part of the seat 5 and extends to the lower end of the front part of the seat 5; the seat 5 and the unit swing type engine 3
5, a pair of left and right side covers 69 extending rearward from the rear end of the vehicle body from the rear end of the lower seat front cover 67 so as to cover a region between the left and right seat covers 5, and a rear cover 65 provided between the rear portions of the pair of left and right side covers 69. It is composed of A leg placement space S is defined by the leg shield 63, the footrest 7, and the lower cover 67 in front of the seat.

A cross pipe 28 is bridged between the middle portions of the pair of right and left rear frames 13, and a cross frame 29 is bridged between the rear end portions.
The storage box 39 is fixed to the body frame via the cross frame 29, and the storage box 39 functions as a load receiver for the seat 5. Storage box 39
Has a box-like shape having an opening 39a on the upper surface, and its lower part falls between a pair of left and right rear frames 13. Further, the storage box 39 rotatably supports the front end of the sheet 5 at the front end of the opening 39a, and the sheet 5 also functions as a lid member of the storage box 39.

A fuel tank 44 is disposed behind the storage box 39, and the fuel tank 4 is mounted on the cross frame 29.
A protective frame 45 is provided so as to cover 4. The protection frame 45 has both ends fastened together with the fuel tank 44 by bolts (not shown) to the cross frame 29.

An axle 81 of the rear wheel 33 is supported by the transmission case 35b of the unit swing type engine 35, and the rear wheel 3
The muffler 82 is disposed on the opposite side of the transmission case 35b with respect to the transmission case 35b. The muffler 82 is connected to an exhaust pipe 82 extending rearward from below the engine 35a through the side of the crankcase. An air cleaner 36 is disposed above the transmission case 35b.
6 is connected to the upper part of the engine 35a via the carburetor 83.

The periphery of a pair of right and left rear frames 13 is covered by a side cover 69, and a lower end 69 a of the side cover 69 extends upward and rearward through a position above the axle 81. Further, a support bar 90 is provided extending from the rising portion of the pair of left and right rear frames 13 to surround the rear wheel 33 from above. The support bar 90 includes a pair of left and right side bars 91 and 92 and a carrier 93 connected to the rear portions of the pair of left and right side bars 91 and 92. The pair of left and right side bars 91 and 92 are arranged at a position lower than the lower end of the side cover 69.

As shown in FIGS. 6 and 7, the left side bar 91 has a front end 91a having a left rear frame 1a.
3 is fastened and fixed to the bracket 200 with bolts 94, and the bracket 95 is welded to the rear end portion 91b. The bracket 95 is fixed to the lower end of the carrier 93 with bolts 96. Also, the left sidebar 9
A bracket 97 is fixed to the front side of the bracket 1, and a left step 201 is foldably attached to the bracket 97 with bolts 98. Further, a stay 99 is fixed to the rear side of the left side bar 91, and the stay 99 is fastened and fixed to a lower end of a bracket stay 202 welded to the left inside of the cross frame 29 with a bolt 100.
Step 101 is provided on the left side bar 91, so that a person riding the tandem seat portion 5b can ride with the left and right feet aligned.

As shown in FIGS. 8 and 9, the right side bar 92 has a front end 92a at the right rear frame 1.
The rear portion 92b is fastened and fixed to the third bracket 300 with bolts 102, and the end of the rear portion 92b is fitted and connected to the end of the rear portion 91b of the left side bar 91. This rear part 92
b, a bracket 103 is welded,
Are fixed to the lower end of the carrier 93 with bolts 104. A bracket 105 is fixed to the front side of the right side bar 92, and a right step 301 is foldably attached to the bracket 105 with bolts 106. Further, a stay 107 is welded to the rear side of the right side bar 92, and the stay 107 is
At 08, it is fastened and fixed to the bracket 302 welded to the right inside of the cross frame 29. As shown in FIG. 3 and FIG. 5, the pair of left and right side bars 91 and 92 are disposed above the muffler 82 at a position above the right side bar 92 with respect to the left side bar 91. By disposing the right side bar 92 avoiding the upper side of the muffler 82, the vehicle is prevented from spreading outward by the right side bar 92.

As shown in FIGS. 10 to 12, the carrier 93 has a rear pipe 110 bent in an inverted U-shape, and brackets 95 of left and right side bars 91 and 92 attached to lower ends 110a and 110b of the rear pipe 110. , 103 are fastened and fixed by bolts 96, 104, and a pair of right and left mounting pipes 111, 112 are fixed to the upper portion by welding. A cross pipe 113 is welded to the left and right mounting pipes 111 and 112, and brackets 114 and 115 are welded to the front side portions 111a and 112a.
A side cover 69 is fixed to 115 with screws or the like. Brackets 116 and 117 are welded to the inside of the front side portions 111a and 112a.
119 secures. Further, a bracket 120 is welded to a central portion of the cross pipe 113, and the bracket 120 is bolted to the protection frame 45 by a bolt 121.
Is fixed.

At the lower side of the rear pipe 110 of the carrier 93, a cross pipe 130 is welded.
The spare wheel mounting brackets 131 and 132 are welded to the mounting portions 110c and 110d of the tire 30, and the spare wheel mounting bracket 133 is also welded to the bent portion 110e. Three spare wheel mounting brackets 13 on rear pipe 110
The spare wheels 14 are attached to the bolts
0 wheel 141 is inserted and tightened with a nut etc.
A spare wheel 140 is detachably provided on the carrier 93.

The lower end 69a of the side cover 69 is connected to the axle 81
The space E can be formed below the lower end 69a of the side cover 69 by extending upward through the upper position of the side cover 69. By disposing the support bar 90 in this space E,
Despite having the support bar 90, it is possible to prevent the vehicle from spreading outward and to prevent the support bar 90 from contacting an obstacle.

The support bar 90 includes a pair of left and right side bars 91 and 92 and a pair of left and right side bars 91 and 9.
Since the support bar 90 is composed of three members, which is composed of the carrier 93 connected to the rear part of the two, the step 101 and the spare wheel 140 can be securely attached with a simple structure.

[0022]

As described above, according to the first aspect of the present invention, a space is formed at the lower end of the side cover by extending the lower end of the side cover upward and rearward through the position above the axle. By arranging the support bar in this space, it is possible to prevent the vehicle from spreading outward despite the provision of the support bar, and to prevent the support bar from contacting an obstacle.

According to the second aspect of the present invention, the support bar is composed of three members, and the steps and the spare wheel can be securely provided on the support bar with a simple structure.

According to the third aspect of the present invention, by disposing the right side bar avoiding the muffler, it is possible to prevent the vehicle from spreading outward.

[Brief description of the drawings]

FIG. 1 is a side view of a scooter type vehicle.

FIG. 2 is a side view of the scooter type vehicle with a body cover removed.

FIG. 3 is a side view of a rear portion of the scooter type vehicle.

FIG. 4 is a plan view of a rear portion of the scooter type vehicle.

FIG. 5 is a rear view of a rear part of the scooter type vehicle.

FIG. 6 is a side view of the left side bar as viewed from the outside.

FIG. 7 is a plan view of a left side bar.

FIG. 8 is a side view seen from the inside of the right side bar.

FIG. 9 is a plan view of a right side bar.

FIG. 10 is a side view of the carrier.

FIG. 11 is a plan view of a carrier.

FIG. 12 is a rear view of the carrier.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Scooter type vehicle 13 Rear frame 15 Body frame 33 Rear wheel 35 Unit swing type engine 69 Side cover 69a Lower end of side cover 69 81 Axle 82 Muffler 90 Support bar 101 Step 140 Spare wheel

Claims (3)

[Claims] A side cover that surrounds below a seat disposed on a vehicle body frame, a support bar extending rearward from the vehicle body frame so as to surround above a rear wheel, and a spare wheel is attached to and detached from a rear portion of the support bar. A motorcycle according to claim 1, wherein a lower end of the side cover extends rearward and upward through a position above the rear wheel, and the support bar is disposed below the lower end of the side cover. . 2. The support bar comprises a pair of left and right sidebars and a carrier connected to the rear of the pair of left and right sidebars. The one sidebar has the step, and the carrier has The motorcycle according to claim 1, wherein wheels are detachably provided. 3. The motorcycle according to claim 2, wherein the pair of left and right side bars has a right side bar disposed above the muffler at an upper position with respect to a left side bar.