JP3643147B2 - Main switch layout structure for motorcycles - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an arrangement structure of a main switch of a motorcycle.
[0002]
[Prior art]
The main switch of a motorcycle may be mounted in the vicinity of the engine of the body frame from the viewpoint of mounting strength and arrangement space. Thus, when the main switch is arranged in the vicinity of the engine of the vehicle body frame, conventionally, the main switch is directed in the vehicle width direction, the key insertion portion is arranged to be exposed on the side surface or the upper surface of the vehicle body, and the main switch is attached to the bracket. In general, the bolt is fixed to the vehicle body frame by bolting.
[0003]
[Problems to be solved by the invention]
However, in the conventional arrangement structure described above, the key insertion part and the cylinder key are exposed to the outside, so that there is a risk of mischief or theft that the cylinder key can be easily seen from the outside and can be pry open with a screwdriver or the like.
[0004]
The present invention has been made in view of the above-described conventional situation, and an object of the present invention is to provide a main switch arrangement structure for a motorcycle that can avoid damage caused by theft or mischief when attached to a vehicle body frame.
[0005]
[Means for Solving the Problems]
The present invention relates to a motorcycle main switch arrangement structure in which a seat rail is connected to a rear end portion of a vehicle body frame and a rear fender is arranged, and the seat rail is connected to the rear end portions of the left and right main frames of the vehicle body frame. The main switch is arranged inside the rear end of either the left or right main frame, the front side of the main switch is covered with the seat rail, the inside is covered with the rear fender, and the cylinder key of the main switch Is characterized in that it is arranged substantially upright so that the key insertion part faces upward.
[0006]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of the present invention will be described with reference to the accompanying drawings.
FIGS. 1 to 27 are views for explaining a motorcycle according to an embodiment of the present invention. FIG. 1 is a left side view of the motorcycle, and FIGS. 2 and 3 are left side views of a vehicle body frame. 4 is a configuration diagram showing the operation of the rear suspension, FIG. 5 is a cross-sectional view taken along the line V-V in FIG. 4, and FIGS. 6 to 9 are plan views, right side views, and perspective views showing the arrangement structure of the main switch, respectively. 10 and 11 are cross-sectional views of the back seat, FIGS. 12 and 13 are side views and cross-sectional views of the saddle bag, and FIGS. 14 to 17 are plan views and cross-sectional views of the footrest board, respectively. , Side view, FIGS. 18 and 19 are respectively a right side view and a sectional view showing a master cylinder of a brake pedal, and FIGS. 20 to 22 are an exploded view of a fuel tank, a plan view, a sectional left side view, and FIG. Front fork cover 24 and 25 are a front view and a left side view, respectively, showing a mounting portion of the deflector, and FIGS. 26 and 27 are a sectional view and a side view, respectively, showing the front disc brake device. In the present embodiment, left and right refer to the left and right as viewed from the seated state.
[0007]
In the figure, reference numeral 1 denotes a motorcycle according to the present embodiment, which supports a steering shaft 4 by means of a head pipe 3 at the front end of a body frame 2, mounts an engine 5 in the body frame 2, and has a rear end portion. A rear arm 6 is pivotally supported, and a fuel tank 7 and a seat 8 are mounted on the upper part of the vehicle body frame 2.
[0008]
The vehicle body frame 2 is of a cradle type and has the following structure. That is, the front ends of a pair of left and right main frames 9, 9 are connected to the upper portion of the head pipe 3, and each main frame 9 extends obliquely toward the rear of the vehicle body. Further, an escape recess 9a is formed at the center of the main frame 9 in the longitudinal direction so as to bend inward to avoid interference with the legs of the occupant.
[0009]
A front end of a pair of left and right down tubes 10 and 10 is connected to the lower portion of the head pipe 3. Each of the down tubes 10 includes an inclined portion 10a extending rearward and downward in the vehicle body and a linear portion 10b extending substantially linearly rearward from the lower end of the inclined portion 10a. The rear end portion of the down tube 10 and the rear end portion of the main frame 9 are integrally connected by left and right suspension brackets 11, and a seat rail for supporting the seat 8 is provided between the upper end portions of the suspension bracket 11. 12 is bridged and fixed.
[0010]
The portion A extending from the fuel tank 7 to the seat 8 of the main frame 9 on the left side of the vehicle body and the portion B extending from the middle of the inclined portion 10a of the down tube 10 on the right side of the vehicle body to the middle of the straight portion 10b are detachable. (See FIGS. 2 and 3). That is, the detachable portions A and B of the main frame 9 and the down tube 10 are separately arranged on the left and right in the axial width direction, thereby making it possible to assemble the engine in the production line and the engine portion and the like. Workability for maintenance can be improved. Further, since the detachable portions A and B are separately arranged on the left and right, the shape of the entire frame at the time of taking out can be maintained as compared with the case where the same side is detachable, and in the attached state. The stress acting on the fastening bolt can be reduced.
[0011]
A substantially semicircular loop portion 9b is connected to the rear surface of each suspension bracket 11. The front end of the rear frame 13 is connected and fixed to each of the left and right loop portions 9b, and a rear seat 14 and a backrest 15 are mounted between the straight portions of the rear frame 13 via brackets 13a and 13b, respectively. Yes. The rear frame 13 is disposed in a rear fender 17 that covers the upper portion of the rear wheel 16, thereby improving the appearance from the outside.
[0012]
The rear arm 6 is pivotally supported on the left and right suspension bracket 11 by a pivot shaft 20 so as to be swingable in the vertical direction. The rear arm 6 is composed of a pair of left and right arm bodies 6a, 6a, and the rear wheel 16 is pivotally supported by an axle 16a inserted and fixed between rear end portions of the arm bodies 6a. Each arm main body 6a has a cylindrical shape in a cross-sectional view, and has a structure in which the rear portions of the pivot shaft 20 are connected and fixed by a square cylindrical cross pipe 6b.
[0013]
The engine 5 is mounted in a cradle surrounded by the main frame 9, the down tube 10, and the suspension bracket 11. The engine 5 is a V-type four-cylinder four-cycle engine, and a carburetor 22 is connected to the rear surface of the front cylinder head 5a and the front surface of the rear cylinder head 5b of each engine 5 via an intake pipe 21 for each cylinder. ing. Further, exhaust pipes 23 and 24 are connected to the front surface of the front cylinder head 5a and the rear surface of the rear cylinder head 5b for each cylinder. The exhaust pipes 23 and 24 are led out to the left and right sides of the vehicle body, and extend rearward therefrom. Mufflers 25 and 25 are connected to the rear ends of the exhaust pipes 23 and 24, respectively.
[0014]
The drive shaft of the engine 5 is inserted into the left arm body 6 a of the rear arm 6 and is connected to the rear wheel 16. A radiator 27 is disposed on the front side of the down tube 10, and a battery 28 is disposed above the pivot shaft 10 between the left and right suspension brackets 11.
[0015]
A rear suspension 30 is disposed between the vehicle body frame 2 and the rear arm 6. The suspension 30 connects the cushion 31 and the rear arm 6 with a damper 31 that suppresses irregular vertical vibrations of the rear wheel 16 and a coil spring that incorporates a coil spring that relieves shock transmitted from the road surface to the rear wheel 16. Link arm 32 and compression bar 33.
[0016]
As shown in FIGS. 4 and 5, the cushion 31 has a piston rod 31b slidably inserted into a cylinder 31a. Boss portions 31c and 31c are provided at the rear end and the front end, respectively. . The link arm 32 is configured by fastening a pair of left and right arm plates 34 that form an inverted triangle when viewed from the side with bolts 36 via collars 35a, 35b, and 35c. Furthermore, the compression bar 33 is configured by connecting and fixing boss portions 33b to both ends of the pipe member 33a. Here, the shape of the link arm 32 is not limited to an inverted triangle, and may be, for example, substantially straight when viewed from the side. In this case, the rear end of the cushion and the compression bar are provided at the front end of the linear link arm. It is desirable to connect the lower ends of the two so as to be coaxial.
[0017]
The cushion 31 is disposed below the pivot shaft 20 of the rear arm 6 and substantially parallel to the rear arm 6. A front boss 31c of the cushion 31 is pivotally supported via a bracket 38a on a cross member 38 installed between rear ends of the left and right down tubes 10, and the rear boss 31c is connected to the link arm 32. The lower end collar 35a is pivotally supported with a bearing 37 interposed therebetween. The collar 35b at the upper rear end of the link arm 32 is pivotally supported by a cross pipe 6b of the rear arm 6 via a bracket, and the collar 35c at the upper front end is pivotally supported by the lower boss portion 33b of the compression bar 33. Has been. Furthermore, the upper boss portion 33 b of the compression bar 33 is pivotally supported by a cross bar 39 provided between the suspension brackets 11. Accordingly, the upper end connecting portion of the compression bar 33 is positioned above the pivot shaft 20 of the rear arm 6, and the lower end connecting portion is positioned below the rear arm 6.
[0018]
Next, the arrangement structure of the main switch will be described.
As shown in FIGS. 6-9, the main switch 40 is arrange | positioned inside the loop part 9b of the main frame 9 of the said vehicle body right side. The main switch 40 is arranged with the cylinder key 40b substantially upright so that the key insertion portion 40a thereof is substantially flush with the upper surface of the loop portion 9b, and is fixed to the loop portion 9b via the bracket 41. Has been.
[0019]
The main switch 40 is surrounded by the loop portion 9 b on the right outer side of the vehicle body, the seat rail 12 on the front side, and the rear fender 17 on the inner side, and covered with the seat 8 on the upper side. This makes it difficult to see from the outside.
[0020]
A seat lock member 42 is disposed inside the loop portion 9b of the main frame 9 on the left side of the vehicle body so as to be symmetric with the main switch 40. The seat lock member 42 is arranged upright with the key insertion portion 42a thereof facing upward, and is surrounded by the loop portion 9b, the seat rail 12, and the rear fender 17, and has the same arrangement structure as the main switch 40. It has become.
[0021]
A common cover 43 is attached to the main switch 40 and the seat lock member 42 (see FIG. 9). The cover 43 has a schematic structure in which a substantially box-shaped top wall 43b and a rear wall 43c are integrally formed at both ends of a cover body 43a extending in the vehicle width direction. The cover body 43a is a seat rail. 12 covers the rear part. The top wall portion 43b covers the outer peripheral edges of the key insertion portion 40a of the main switch 40 and the key insertion portion 42a of the seat lock member 42, and the rear wall portion 43c is the main switch 40 and the seat lock member 42. Covers the back. Further, a lid cover 44 is attached to an opening formed by the loop portion 9b and the suspension bracket 11 (see FIG. 7).
[0022]
The seat 8 is detachably attached to the main frame 9, and the battery 28 is disposed below the seat 8. As shown in FIGS. 10 and 11, the seat 8 and the backsheet 14 have a structure in which a cushion 45b is disposed on a bottom plate 45a and the cushion 45b is covered with a skin 45c.
[0023]
A storage portion 46 for storing a maintenance notebook 47 and the like is formed at the bottom of the backsheet 14. The storage portion 46 is configured by forming a storage opening 45d at the rear portion of the bottom plate 45a and integrally forming an engaging protrusion 45e, and disposing a cover member 48 with a gap above the bottom plate 45a. A maintenance notebook 47 is stored between the cover member 48 and the bottom plate 45a. The front end portion 48a of the cover member 48 is engaged and supported by the bottom plate 45a, and the rear end portion is fastened together with bolts together with the bottom plate 45a to a support piece 49 that is bent and formed in a bowl shape. The support piece 49 is bolted and fixed to the rear fender 17, and a rubber band 50 is attached between the support piece 49 and the engagement protrusion 45 e to prevent the maintenance notebook 47 from falling off.
[0024]
Saddle backs 51 are disposed on the left and right sides of the rear fender 17, respectively. As shown in FIGS. 12 and 13, the saddle bag 51 has a structure in which a leather lid body 53 is similarly attached to a leather back body 52 through a hinge so as to be opened and closed. Metal plates 54 are disposed on the opening edge, side surface, and bottom surface, and metal bars 55 are disposed on the outer surface of the back body 52 and the outer surface of the lid 53, respectively. This prevents the saddle back 51 from being deformed and maintains the design shape.
[0025]
Next, the footrest device of this embodiment will be described.
As shown in FIGS. 14 to 19, a footrest board 56 constituting a footrest device is disposed on the front end side portion of the down tube 10 on the left and right sides of the vehicle body. The footrest board 56 is made of an aluminum die cast and is composed of a flat plate-like base member 57 and a rubber-made flat plate-like footrest member 58, and the above-mentioned footrest board 56 is formed in a concave portion 57 b recessed on the upper surface of the base member 57. A footrest member 58 is disposed. A mounting bracket 59 is connected and fixed to the bottom surface of the down tube 10, and a boss part 57a formed on the bracket 59 so as to protrude from the lower surface of the base member 57 is rotatable between a storage position and a horizontal position. It is supported.
[0026]
An iron bank sensor member 60 is detachably bolted to the rear outer edge of the lower surface of the base member 57, and the bank sensor member 60 is used for notifying an occupant of road contact caused by the inclination of the vehicle body. is there.
[0027]
The footrest member 58 is configured by inserting and arranging an iron plate 62 in a plate-like rubber member 61. This is manufactured by inserting an iron plate 62 when the rubber member 61 is injection molded. The iron plate 62 has a plurality of through holes 62a. Each through hole 62 a is filled with a part of the rubber member 61 during insert molding, and the filled rubber member connects the upper and lower rubber members of the iron plate 62. As a result, the rubber member 61 and the iron plate 62 are prevented from being lifted due to a deviation.
[0028]
As will be described later, the footrest member 58 has a damper function composed of an elastic member and a weight, but the through-hole 62a also functions to adjust the size of the weight depending on the diameter and the number thereof.
[0029]
Three attachment portions 61a.. Are integrally formed on the lower surface of the rubber member 61, and a metal pipe 63 having a female thread is inserted into the shaft core of each attachment portion 61a. The metal pipe 63 is formed simultaneously with the insert molding, and the upper end portion of the metal pipe 63 is fitted and fixed to the iron plate 62. Each mounting portion 61a is inserted into a mounting hole 57c formed in the base member 57, and is fastened by a bolt 64 screwed from the lower surface thereof.
[0030]
Four leg portions 61b are integrally formed on the lower surface of the rubber member 61. Each leg portion 61b is in contact with the upper surface of the base member 57, and the footrest member 58 is the base member 57. It has a floating structure. Accordingly, the rubber member 61 functions as a damper, and the iron plate 62 and the metal pipe 63 in the rubber member 61 function as a mounting bracket to the base member 57.
[0031]
A brake pedal 65 is rotatably disposed in the front portion of the right footrest boat 56. The brake pedal 65 is for a rear disc brake, and a master cylinder 66 of the brake pedal 65 is bolted to an attachment bracket 59 of the footrest board 56 via an L-shaped bracket 66a. The master cylinder 66 is covered with the down tube 10 and the exhaust pipe 23 on the left and right, covered with the bottom surface of the engine 5, and further covered with the mounting bracket 59 on the lower side. This prevents the master cylinder 66 from being damaged by a stepping stone or the like.
[0032]
Next, the fuel tank 7 will be described.
As shown in FIGS. 20 to 22, the fuel tank 7 is configured by disposing a speedometer 71 on the upper portion of the tank body 70, and the tank body 70 is attached to the vehicle body frame 2 via brackets 70 a and 70 b. Connection is fixed. The tank main body 70 has a structure in which an inner panel 72 constituting a bottom portion and left and right outer panels 73a and 73b formed to be divided into left and right are joined by welding. The inner panel 72 is provided with a recess 72a through which the main frame 9 is inserted, and a fuel cap 76 for opening and closing a fuel filler port 76a is attached to a side portion of the right outer panel 73b.
[0033]
A belt-like cover top 74 made of rubber or vinyl chloride is disposed on the upper surface of the tank body 70 to cover the joints of the left and right outer panels 73a and 73b. A hook portion 74a is integrally formed at the front end of the cover top 74, and a flange portion 74b is integrally formed at the rear end portion. The hook portion 74a is engaged with the front flange 70c of the tank body 70, and The flange portion 74b is coupled to the rear flange 70d by a resin push-turn rivet 75. The rear half 74c of the cover top 74 is bonded to the tank body 70 with an adhesive tape.
[0034]
A concave portion 70e into which the speedometer 71 is inserted is formed in the upper portion of the tank body 70, and a mounting seat 77 is connected and fixed in the concave portion 70e. Stud bolts 77a and 77a and nuts 77b and 77b are joined to the mounting seat 77, and a mounting flange 71a of the speedometer 71 is fastened to each stud bolt 77a by a nut 71b via a damper 71c and a washer. ing. An opening 74d through which the speedometer 71 is inserted is formed in a substantially central portion of the cover top 74.
[0035]
The speedometer 71 is provided with a meter cover 78 that covers the peripheral portion of the speedometer 71 and the front half 74 e of the cover top 74. A molding 79 is attached to the speedometer opening edge of the meter cover 78, and the molding 79 abuts against the upper peripheral edge of the speedometer 71 to prevent water from entering and the meter 71 to the tank body 70. Absorbs assembly errors.
[0036]
The meter cover 78 and the cover top 74 are attached to the tank body 70. That is, the left and right front portions of the meter cover 78 are fixed to the front nut 77b of the mounting seat 77 by the bolt 80a, and the rear end portion of the meter cover 78 is fixed to the rear nut 77b by the bolt 80b.
[0037]
In the fuel tank 7, since the cover top 74 is disposed at the joint portion of the tank body 70, the finishing process such as waterproofing of the joint portion can be eliminated and the appearance can be improved. In addition, since the speedometer 71 is mounted on the tank main body 70, the speedometer 71 is covered with the meter cover 78, and the meter cover 78 and the cover top 74 are integrated, so that both 74 and 78 are attached separately. In comparison with this, the number of parts and the number of assembly steps can be reduced, the mounting accuracy to the tank body 70 can be improved, and further, waterproofness can be secured.
[0038]
Next, the steering device of the motorcycle 1 will be described.
A steering shaft 4 is inserted into and supported by the head pipe 3 via a bearing. An upper bracket 85 and an under bracket 86 are fixed to the upper end and the lower end of the steering shaft 4, and a pair of left and right front forks 87 and 87 are connected and fixed to the brackets 85 and 86. A front wheel 88 is pivotally supported by an axle 88 a inserted between the lower ends of the front forks 87. Further, a steering handle 89 is bolted and fixed to the upper bracket 85, and a front wheel disc brake lever (not shown) is attached to a grip 89a of the handle 89.
[0039]
Fork covers 90 are attached to the left and right front forks 87. As shown in FIG. 23, the fork cover 90 has an upper and lower split structure composed of an upper cover 90a and a lower cover 90b, and is inserted so that the upper edge of the lower cover 90b wraps around the lower end edge of the upper cover 90a. Has been. A flange portion is integrally formed on the upper end surface of the upper cover 90a, and the lower surface of the upper bracket 85 is in contact with the upper surface of the flange portion. This prevents the occurrence of a level difference when a separate cover is attached to the upper edge of the upper cover 90a, thereby improving the appearance and preventing water from entering.
[0040]
Further, a cap-shaped flange 91 is fixedly welded to the upper cover 90a, and a rubber sheet 92 mounted so as to be in sliding contact with the outer peripheral surface of the front fork 87 is in contact with the flange 91. A flat washer 93 is interposed between 92 and the under bracket 86. As a result, the dimensional error generated between the upper bracket 85 and the under bracket 86 is absorbed, and the upper cover 90a is prevented from rotating. The lower cover 90b is fixed to a bracket 86b fixed to the under bracket 86. Further, the outer tube 87b of the front fork 87 has a resin ring 94 for avoiding direct contact with the lower cover 90b. Is installed.
[0041]
A wind screen 95 that covers the front of the occupant is disposed on the front side of the steering handle 89, and a deflector 96 that covers the front of the occupant's legs is disposed on the left and right sides below the wind screen 95. Yes. The wind screen 95 is attached to the left and right handle crowns 87a via mounting brackets 97. The deflector 96 has a structure in which a rod-like stay 96b extending upward to a polycarbonate plate 96a is bolted and fixed via a metal plate 96c, and the upper end of the stay 96b can be attached to and detached from the mounting bracket 97 by a bolt 98. It is configured by fastening. As a result, when the deflector 96 is unnecessary, the appearance 96 is prevented from being deteriorated by removing the stay 96b.
[0042]
Next, the front disc brake device will be described.
The front wheel 88 has a structure in which a wheel hub 100a, a spoke 100b, and a rim 100c are integrally formed by casting, and a tire 101 is fitted to the rim 100c. The axle 88a is attached to the shaft core of the wheel hub 100a. The bearing 102 is inserted.
[0043]
An annular brake disk 103 is disposed on each end face of the wheel hub 100a. A large number of weights are provided on the outer peripheral edge of the brake disk 103 to reduce the weight, increase the heat radiation area, and reduce the brake noise. A hole is formed. A caliper 104 is attached and fixed to the rear side of the left and right front forks 87 via a bracket 105. The caliper 104 has a general structure in which a pair of pads arranged so as to face each other with the brake disc 103 interposed therebetween in a caliper main body 104a and a piston for pressing and driving each pad are incorporated.
[0044]
A metal wheel cap 106 is attached to the outer surface of each brake disk 103. The wheel cap 106 is intended to enhance the design effect by covering the end surface of the wheel hub 100a and the outer surface of the brake disk 103. The outer surface of the wheel cap 106 is a substantially flat surface. Polishing processing is given. The wheel cap 106 is fastened together with the brake disc 103 by bolts 107 to the wheel hub 100a.
[0045]
A damper 110 is disposed on the inner surface of the wheel cap 105 on the right side of the vehicle body. The damper 110 has a structure in which a ring-shaped damper rubber 110a and a ring-shaped weight 110b are bonded together. The damper 110 has a smaller diameter than the inner diameter of the brake disk 103 and is disposed so as to face the recess 100d of the wheel hub 100a. Has been. The damper 110 may be disposed on the left and right wheel caps 106, respectively.
[0046]
Next, the effect of this embodiment is demonstrated.
In the rear suspension 30 of the present embodiment, the cushion 31 is disposed substantially parallel below the pivot shaft 20 of the rear arm 6, and the front end boss portion 31c is connected to the rear of the oil pan 5e. In order to avoid interference between the cushion and the oil pan, it is not necessary to increase the engine mounting height, so even when the oil pan width is large as in a multi-cylinder engine, the cushion can be placed at the bottom of the vehicle body without any trouble. Since the cushion 31 is disposed below the rear arm 6, the space above the rear arm 6 can be used effectively, and the battery 28 and the like can be disposed in this portion.
[0047]
Further, a link arm 32 is connected to the rear end boss portion 31c of the cushion 31, the link arm 32 is connected to the rear arm 6, and the lower end of the compression bar 33 is pivotally supported in the middle of the link arm 32. Since the upper end of the bar 33 is pivotally supported by the cross bar 39 above the pivot shaft 20, the cushion stroke can be set large while the rear end boss portion 31 c of the cushion 31 is arranged behind the pivot shaft 20, that is, close to the rear arm. Therefore, the degree of freedom for setting the cushion can be increased.
[0048]
In this case, the load from the road surface acts on the link arm 32 and the compression bar 33 in the axial direction. That is, the road load is transmitted as an axial force (tensile force) from the rear arm 6 to the cushion 31 via the collar 35b at the upper rear end and the arm plate 34, and the rotational force of the arm plate 34 at this time is the compression bar. 33 acts as an axial force. In this way, it is possible to avoid the bending stress from acting on each link member with a simple link mechanism, and to improve the durability accordingly.
[0049]
In the main switch arrangement structure of the present embodiment, the main switch 40 is arranged inside the loop portion 9b of the main frame 9, the outside of the main switch 40 is surrounded by the loop portion 9b, and the front side is surrounded by the seat rail 12 and the inside. Is surrounded by the rear fender 17, and the upper part is covered with the seat 8, so that the key insertion portion 40a is hardly visible from the outside, and the cylinder key 40b can be covered with the frame or the like, thereby preventing damage due to theft or mischief. Furthermore, since the peripheral part and the rear side of the key insertion part 40a of the main switch 40 are covered with the cover 43, theft and mischief can be prevented from this point. Further, since the seat lock member 42 has the same arrangement structure as that of the main switch 40, damage due to theft or mischief can also be prevented in this case.
[0050]
In the footrest device according to the present embodiment, the iron plate 62 and the metal pipe 63 are insert-molded in the rubber member 61 to form the footrest member 58, and the leg portion 61b is formed to protrude from the rubber member 61. Since the foot 61b is brought into contact with the base member 57 and floated, the footrest member 58 functions as a damper. Therefore, engine vibration and traveling vibration transmitted to the passenger's feet can be suppressed, and the riding comfort can be improved. Here, the mounting portion 61a is arranged in the portion where the foot on the periphery of the footrest member 58 cannot be placed, and the elastic leg portion 61b is arranged in the portion where the foot can be placed. It is possible to further prevent the vibration from being transmitted through the portion 61a.
[0051]
Further, the iron plate 62 and the metal pipe 63 in the rubber member 61 can be used as a mounting bracket to the base member 57, so that the mounting strength can be secured without using separate parts, and the cost can be reduced. Further, since the plurality of holes 62a are formed in the iron plate 62, the rubber member 61 can be prevented from floating from the iron plate 62, and the weight size in the damper function can be easily set.
[0052]
In the front disc brake device of this embodiment, the flat wheel cap 106 is disposed on the outer surface of the brake disc 103, and the dynamic damper 110 is adhered to the inner surface of the wheel cap 106. It is possible to prevent the deterioration of the appearance due to outward exposure of the dynamic damper 110.
[0053]
Depending on the user's image of the appearance of this type of motorcycle, a drum brake may be preferred instead of a disc brake. In this embodiment, the brake disc 103 is covered with a wheel cap 106 in this manner. In this case, the dynamic damper 110 is disposed using the wheel cap, which is advantageous in terms of cost.
[0054]
Further, when the damper 110 is disposed on the inner surface of the wheel cap 110, the damper 110 is disposed opposite to the concave portion 100d of the wheel hub 100a, so that interference with the front fork 87 can be avoided, and enlargement of the fork 87 in the vehicle width direction can be avoided. . Furthermore, since the wheel cap 110 is fastened and fixed together with the brake disc 103 with the bolt 107, the bolt 107 can be used in common, and an increase in component cost can be suppressed from this point.
[0055]
Furthermore, since the dynamic damper 110 is positioned directly inward in the radial direction of the disk 103 of the wheel cap 106 without being disposed directly on the brake disk 103, the diameter of the brake disk 103 is not affected. The degree of freedom in designing the diameter is not reduced.
[0056]
【The invention's effect】
According to the main switch arrangement structure of the motorcycle according to the present invention, the main switch is arranged in a portion surrounded by the rear end portion of the left or right main frame, the seat rail, and the rear fender. Is hard to see from the outside, and can be covered with a strong member, preventing damage caused by mischief or theft, and the cylinder key of the main switch is raised and the key insertion part is directed upward The upper portion of the key insertion portion can be covered with a sheet, and is difficult to open compared to the case where the key insertion portion is directed in the lateral direction. From this point, there is an effect of preventing damage due to mischief.
[Brief description of the drawings]
FIG. 1 is a left side view for explaining a motorcycle according to an embodiment of the present invention.
FIG. 2 is a left side view showing a body frame of the motorcycle.
FIG. 3 is a plan view of the body frame.
FIG. 4 is a configuration diagram showing a rear suspension of the embodiment.
5 is a cross-sectional view taken along the line V-V in FIG. 4;
FIG. 6 is a plan view showing a main switch arrangement structure of the embodiment.
FIG. 7 is a right side view of the arrangement structure.
FIG. 8 is a rear perspective view of the arrangement structure.
FIG. 9 is a rear view of the arrangement structure.
Fig. 10 is a cross-sectional view showing a back seat of the motorcycle.
FIG. 11 is a cross-sectional view of the back sheet.
FIG. 12 is a side view of the saddleback of the motorcycle.
FIG. 13 is a cross-sectional view of the saddle bag.
FIG. 14 is a plan view showing the footrest board of the embodiment.
15 is a cross-sectional view taken along line XV-XV in FIG.
16 is a cross-sectional view taken along line XVI-XVI in FIG.
FIG. 17 is a view of the footrest board.
FIG. 18 is a right side view of the footrest board.
19 is a cross-sectional view taken along line XIX-XIX in FIG.
FIG. 20 is a diagram showing an exploded state of the fuel tank of the embodiment.
FIG. 21 is a plan view of the fuel tank.
FIG. 22 is a cross-sectional view of the fuel tank.
FIG. 23 is a cross-sectional view showing a steering cover of the motorcycle.
Fig. 24 is a front view showing a mounting portion of the deflector of the motorcycle.
FIG. 25 is a left side view of the deflector.
FIG. 26 is a cross-sectional view showing the front disc brake device according to the embodiment.
FIG. 27 is a side view of the front disc brake device.
[Explanation of symbols]
1 Motorcycle
9 Main frame (body frame)
9b Loop part (rear end)
12 Seat rail
17 Rear fender
40 Main switch
40a Key insertion part
40b Cylinder key

Claims (1)

In a motorcycle main switch arrangement structure in which a seat rail is connected to the rear end portion of the body frame and a rear fender is arranged, the seat rail is connected to the rear end portions of the left and right main frames of the body frame. Is disposed inside the rear end of one of the left and right main frames, the front side of the main switch is covered with the seat rail, the inside is covered with the rear fender, and the cylinder key of the main switch is inserted into the key insertion portion. A main switch arrangement structure for a motorcycle, wherein the main switch is arranged so as to face upward.

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