JPH09193866A - Protector fixing structure of motorcycle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the interference of a foot of a rider with pedals and a member in the vicinity of the pedal by increasing an area of a protector without adding an exclusive fixing section which tightens the protector on a body frame. SOLUTION: In a protector fixing structure of a motorcycle, a protector 33 is provided in such a manner that it covers a support shaft 18 which supports pedals (for example, brake pedal 16) in such a manner that can turn and accessories (for example, master cylinder 26) provided in the vicinity of the pedals, the protector 33 is fixed on a fixing part (cylinder bracket 25) of the accessory 26 together with the accessory 26, and the protector 33 is fixed in a female screw 24 formed on the support shaft 18 with a screw 38.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a protector fixing structure for a motorcycle that prevents the legs of a rider placed on a footrest from interfering with a vehicle body frame or other parts.

[0002]

2. Description of the Related Art FIG. 5 is a right side view showing a lower center part of a vehicle body frame 51 and a swing arm 52 of a motorcycle. A footrest 53 on which a rider places his right foot is installed in the lower center of the body frame 51, and a brake pedal 54 is rotatably provided by a support shaft 55 on the upper part thereof. Above this brake pedal 54, a master cylinder 57 for operating the rear wheel brake device 56 is fixed to the vehicle body frame 51 with two screws 58, and its push rod 59 is at the action point at the rear end of the brake pedal 54. Be connected.

A plate-shaped protector 60 is mounted so as to cover the right side of the master cylinder 57. This protector 60 is fastened together with the body frame 51 with a screw 58 for fixing the master cylinder 57, and prevents the feet of the rider placed on the footrest 53 from interfering with the body frame or the master cylinder.

[0004]

However, since the protector 60 is only fixed to the vehicle body frame 51 by using the two screws 58 for fixing the master cylinder 57, if the area of the protector 60 is increased, The amount of protrusion of the protector 60 becomes large, and the rigidity of the peripheral portion of the protector 60 becomes insufficient. Therefore, only a protector small enough to cover only the master cylinder 57 is provided, and there is a concern that the foot of the rider may interfere with the support shaft 55 of the brake pedal 54, the push rod 59 of the master cylinder 57, and the like.

In order to provide a large protector that covers the vicinity of the support shaft 55 of the brake pedal 54, a dedicated fixing portion for fastening the end portion of the protector must be added near the support shaft 55. It is not preferable because the manufacturing cost increases. Moreover, it is impossible to replace a small protector provided in an existing vehicle body with a large protector.

The present invention has been made in order to solve such a problem, and it is possible to increase the area of the protector and increase the foot of the rider without adding a dedicated fixing portion for fastening the protector to the vehicle body frame. An object of the present invention is to provide a protector fixing structure for a motorcycle that can prevent the pedals and members near the pedals from interfering with each other.

[0007]

In order to achieve the above object, a protector fixing structure for a motorcycle according to the present invention comprises:
A protector is attached so as to cover the support shaft that rotatably supports the pedals and the accessory parts provided in the vicinity of the pedals, and this protector is fixed to the fixing part of the accessory part together with the accessory part and also supported. The protector was fixed to the female screw formed on the shaft with a screw.

[0008]

DETAILED DESCRIPTION OF THE INVENTION An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a right side view of a motorcycle to which the present invention is applied. This motorcycle 1
The front fork 4 supporting the front wheel 3 is provided on the front head of the body frame 2 so as to be rotatable left and right together with the handlebar 5, while the pivot shaft erected in the vehicle width direction at the center of the body frame 2. A swing arm 7 extending rearward is supported by 6 so as to be vertically rotatable, and a rear wheel 8 is pivotally supported at the rear end of the swing arm 7.

An engine 9 is mounted in the center of the vehicle body frame 2, and the rear wheels 8 are driven by the power of the engine 9. Then, above the engine 9, the fuel tank 10
Is installed, and then the seating seat 11 is placed. In addition, a pair of left and right footrests 12 are provided in the lower center of the body frame 2, and the rider straddles the seat 11 and holds the handlebar 5 with both hands, so that both feet are placed on the footrests.
Put it on 12 and get on.

By the way, the front wheel 3 has a front wheel braking device 13
Is provided. The front wheel braking device 13 operates by gripping a brake lever 14 provided on the handlebar 5 to brake the rotation of the front wheel 3. On the other hand, the rear wheel brake device 15 provided on the rear wheel 8 is provided on the right footrest.
It operates by depressing a brake pedal 16 arranged immediately above 12 to brake the rotation of the rear wheel 8.

FIG. 2 is an enlarged view of portion II of FIG. 1, and FIG. 3 is a vertical sectional view taken along line III-III of FIG. As shown in these drawings, a tongue-shaped pedal bracket 17 is provided at the lower center of the body frame 2, and a fulcrum 16a of the brake pedal 16 is attached to the pedal bracket 17 by a stepped bolt-shaped support shaft 18. It is concluded.

As shown in FIG. 4, the support shaft 18 has a collar-shaped head portion 19, a cylindrical intermediate shaft portion 20 and a male screw portion 21, and the head portion 19 is for inserting a hexagon wrench. A hexagonal hole 23 is formed, and a female screw extends from the bottom of the hexagonal hole 23 to the intermediate shaft portion 20.
24 are formed. The female screw 24 is formed concentric with the center line of the support shaft 18. The brake pedal 16 is rotatably supported by the intermediate shaft portion 20 of the support shaft 18,
The male screw portion 21 is fastened to the pedal bracket 17.
A washer 22 is interposed between the brake pedal 16 and the pedal bracket 17.

On the other hand, the body frame 2 is provided with a plate-shaped cylinder bracket 25 located above the brake pedal 16, and a master cylinder 26 is fixed thereto. The master cylinder 26 is formed with two fastening bosses 27, and the fastening bosses 27 are applied to the left side surface of the cylinder bracket 25 so that two screws 28 from the right side of the cylinder bracket 25 are fastening bosses. Fastened to 27, the master cylinder 26
Is fixed.

The lower end of the push rod 29 extending downward from the master cylinder 26 has an operating point 16b of the brake pedal 16 at its lower end.
The brake hose 30 connected to the master cylinder 26 extends rearward along the swing arm 7 and is connected to the rear wheel braking device 15. The reservoir tank 31 located higher than the master cylinder 26 has a body frame 2
The reservoir hose 32 extending from the reservoir tank 31 is connected to the master cylinder 26 so that the master cylinder 26 is replenished with brake oil.

When the force point 16c of the brake pedal 16 is stepped down, the push rod 29 of the master cylinder 26 is pushed up to raise the hydraulic pressure in the master cylinder 26, and this hydraulic pressure acts on the rear wheel braking device 15 via the brake hose 30. Then, the rotation of the rear wheel 8 is braked.

A plate-shaped protector 33 is provided near the brake pedal 16 (not shown in FIG. 1). The protector 33 is mounted so as to cover the support shaft 18 of the brake pedal 16 and an accessory provided near the brake pedal 16. In the present embodiment, the master cylinder 26 corresponds to the accessory.

The protector 33 is formed with three fastening recesses 34, 35, 36 which are recessed toward the vehicle body frame 2 side. Of these fastening recesses 34, 35, 36, the upper two fastening recesses are formed. The positions of the recesses 34, 35 for use coincide with the positions of the two screws 28 for fixing the master cylinder 26 to the cylinder bracket 25, and the position of one lower fastening recess 36 is for the female screw 24 formed on the support shaft 18. It matches the position of.

Screw holes 34a, 35a, 36a are formed in the bottoms of the three fastening recesses 34, 35, 36, and the upper two fastening recesses 34, 35 are screwed into the master cylinder 26 of the master cylinder 26. It is fixed to the cylinder bracket 25 together with the fastening boss 27, and one lower fastening recess 36 is fixed to the female screw 24 of the support shaft 18 with a screw 38. The lower fastening recess 36 and the head of the support shaft 18
A washer 39 is interposed between the and 19.

With this protector 33, the footrest 12
It is possible to prevent the right foot of the rider placed on the vehicle from interfering with the body frame 2, the support shaft 18 of the brake pedal 16, the master cylinder 26, the push rod 29, and the like. The heads of the three screws 28 and 39 for fixing the protector 33 are 3
It fits into one fastening recess 34, 35, 36 and does not project to the right surface of the protector 33.

As described above, since the upper portion of the protector 33 is fixed to the cylinder bracket 25 together with the master cylinder 26 and the lower portion of the protector 33 is fixed to the support shaft 18 of the brake pedal 16, the protector 33 having a large area has high rigidity. It is possible to sufficiently prevent the rider's feet from interfering with the support shaft 18, the push rod 29, or the like.

Further, in order to increase the area of the protector 33 in this way, it is not necessary to add a dedicated fixing portion to the vehicle body frame 2, so there is no concern that the manufacturing cost of the vehicle body frame 2 will increase. Moreover, by simply replacing the conventional brake pedal support shaft 55 shown in FIG. 5 with the support shaft 18 provided with the female screw 24, the large protector 33 can be easily provided on the existing vehicle body.

The accessory parts near the brake pedal 16 for fixing the protector 33 are the master cylinder 26.
It is not limited to this, and other components may be used as long as they are provided near the brake pedal 16.

Further, in this embodiment, the master cylinder
26 has a structure that is fixed to the cylinder bracket 25 with two screws 28, but the master cylinder 26 is fixed to the vehicle body frame 2 by another fixing structure, and the protector 33 is attached using the fixing portion. Good.

Further, this protector fixing structure can be applied not only to the brake pedal 16 but also to, for example, a shift pedal provided on the left side of the vehicle body and other pedals. Further, it can be applied not only to motorcycles but also to motorcycles and other straddle-type vehicles.

[0025]

As described above, the protector fixing structure for a motorcycle according to the present invention covers the support shaft for rotatably supporting the pedals and the accessory parts provided near the pedals. The present invention is characterized in that a protector is put on, the protector is fixed to a fixing portion of the accessory together with the accessory, and the protector is fixed to a female screw formed on the support shaft with a screw.

According to this structure, a protector having a large area can be attached with high rigidity without adding a dedicated fixing portion to the body frame, and the feet of the rider interfere with the pedals and members near the pedals. This can be sufficiently prevented. Moreover, a large protector can be easily provided on an existing vehicle body by simply replacing the support shafts for pedals.

[Brief description of the drawings]

FIG. 1 is a right side view of a motorcycle to which the present invention has been applied.

FIG. 2 is an enlarged view of a part II in FIG.

FIG. 3 is a view showing an embodiment of the present invention by a vertical section taken along line III-III in FIG.

FIG. 4 is a perspective view of a support shaft.

FIG. 5 is a right side view of a center lower portion of a vehicle body frame and a swing arm of a motorcycle showing a conventional technique.

[Explanation of symbols]

1 Motorcycle 2 Body Frame 9 Engine 12 Footrest 16 Brake Pedal as Pedal 18 Support Shaft 24 Female Screw 25 Cylinder Bracket for Fixing Master Cylinder 26 Master Cylinder as an Accessory Installed near Pedal 29 Push Rod 33 Protector 28,38 screw

Claims (1)

[Claims] 1. A protector 33 is provided so as to cover a support shaft 18 for rotatably supporting pedals (for example, a brake pedal 16) and an accessory (for example, a master cylinder 26) provided near the pedals. The protector 33 is fixed to the fixing portion (cylinder bracket 25) of the accessory (26) together with the accessory (26), and the protector 33 is fixed to the female screw 24 formed on the support shaft 18 with a screw 38. The fixed structure of the protector of the motorcycle.