Saddle-type vehicle

Abstract

Provided is a saddled vehicle that enables improvements in assembly and appearance by devising the routing structure of a brake cable.　This saddled vehicle (10) has a brake cable (77) that is attached to a steering handlebar (21) and activates a rear wheel brake (91), wherein the brake cable (77) is routed only to either the left or the right from the center in the vehicle width direction. The intermediate portion of the brake cable (77) is supported by a fixing portion (29a) that is disposed on a fuel tank (29). The rear end of the brake cable (77) is supported by a pillion step (50).

Description

[Technical field]

[0001] The present invention relates to a saddle-type vehicle, and more particularly to a saddle-type vehicle having a brake cable for transmitting an operating force of a driver to a brake device. [Background technology]

[0002] 2. Description of the Related Art Saddle-type vehicles having a brake cable for transmitting an operating force of a driver to a brake device are conventionally known.

[0003] Patent Document 1 discloses a configuration in which a brake cable is routed from the front to the rear of a vehicle body in a saddle-type vehicle that employs front and rear linked brakes. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] JP 2020-32733 A Summary of the Invention [Problem to be solved by the invention]

[0005] However, in the saddle-type vehicle of Patent Document 1, the brake cable is routed so as to straddle the left and right steering handlebars, and is also routed so as to pass along the side of the engine, so there is still room for improvement in order to improve assembly in the factory and the appearance.

[0006] SUMMARY OF THE PRESENT INVETION The present invention aims to provide a saddle-type vehicle which overcomes the problems of the prior art and which has improved assembly and appearance through the use of an improved brake cable routing structure. [Means for solving the problem]

[0007] In order to achieve the above-mentioned object, the present invention has a first feature in that, in a saddle-type vehicle (10) having a brake cable (77) that is attached to a steering handle (21) and operates a rear wheel brake (91), the brake cable (77) is routed only to the left or right from the center in the vehicle width direction.

[0008] A second feature is that the intermediate portion of the brake cable (77) is supported by a fixed portion (29a) provided on the fuel tank (29).

[0009] A third feature is that the rear end of the brake cable (77) is supported by the pillion step (50).

[0010] According to the first feature, in a saddle-type vehicle (10) having a brake cable (77) that is attached to a steering handle (21) and that operates a rear wheel brake (91), the brake cable (77) is routed only to either the left or right side from the center in the vehicle width direction, which makes it easier to route the brake cable, facilitating assembly work in a factory and improving maintainability.

[0011] According to the second feature, since the middle portion of the brake cable (77) is supported by the fixed portion (29a) provided on the fuel tank (29), the dead space near the fuel tank can be effectively utilized, and the degree of freedom in layout can be improved. In addition, by routing the brake cable so as to be hidden inside the fuel tank, the appearance of the saddle-type vehicle can be improved. Effect of the Invention

[0012] According to the first feature, in a saddle-type vehicle (10) having a brake cable (77) that is attached to a steering handle (21) and operates a rear wheel brake (91), the brake cable (77) is routed only to either the left or right side from the center in the vehicle width direction, which makes it easier to route the brake cable, facilitating assembly work in a factory and improving maintainability.

[0013] According to the second feature, since the middle portion of the brake cable (77) is supported by the fixing portion (29a) provided on the fuel tank (29), the dead space near the fuel tank can be effectively utilized, and the degree of freedom in layout can be improved. In addition, by routing the brake cable so as to be hidden inside the fuel tank, the appearance of the saddle-type vehicle can be improved.

[0014] According to the third feature, since the rear end of the brake cable (77) is supported by the pillion step (50), the space under the pillion step can be effectively utilized. Also, the rear end of the brake cable can be supported at an appropriate position using existing parts.

[0015] According to the fourth feature, the brake cable (77) is arranged so as to be continuous with the inside of the fuel tank (29), pass behind the seat (17), and be connected to the brake pedal (49) that operates the rear wheel brake (91), thereby reducing exposure of the brake cable.

[0016] According to the fifth feature, the fuel tank (29) is disposed so as to straddle the body frame (11), and the brake cable (77) is supported by the fixing portion (29a) below the body frame (11). Therefore, the brake cable can be routed on one side of the vehicle without affecting the capacity of the fuel tank. [Brief description of the drawings]

[0017] [Figure 1] 1 is a right side view of a motorcycle according to an embodiment of the present invention. [Diagram 2] FIG. 2 is a perspective view of the motorcycle as viewed from above on the right side in the vehicle width direction. [Diagram 3] FIG. 3 is a partially enlarged view of FIG. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0018] A preferred embodiment of the present invention will be described in detail below with reference to the drawings. Fig. 1 is a right side view of a motorcycle 10 according to an embodiment of the present invention. The motorcycle 10 is a saddle-type vehicle that includes a body frame 11, a power unit P supported by the body frame 11, a front fork 14 that supports a front wheel WF so as to be steerable, a swing arm 16 that supports a rear wheel WR, and a seat 17 that is long in the front-to-rear direction, and in which a rider and a passenger sit astride the seat 17. The body frame 11 includes a head pipe 18, a front frame 19 connected to the rear of the head pipe 18, and a rear frame 20 connected to the rear of the front frame 19. The seat 17 is supported by the rear frame 20.

[0019] The front forks 14 are supported by a head pipe 18 so as to be steerable left and right. The front wheel WF is supported by an axle 13 provided at the lower end of the front forks 14. A steering handle 21 held by a rider is attached so as to be able to steer the front forks 14. The swing arm 16 is supported by a pivot shaft 22 located at the lower rear end of the front frame 19 and extending in the vehicle width direction. The pivot shaft 22 is inserted into the front end of the swing arm 16. The swing arm 16 is suspended from the rear frame 20 by a rear cushion 36 and swings up and down around the pivot shaft 22. The rear wheel WR is supported by an axle 15 provided at the rear end of the swing arm 16.

[0020] The power unit P as an internal combustion engine is located between the front wheels WF and the rear wheels WR, and is supported by the body frame 11. The power unit P includes a crankcase 23 and a cylinder section 24 that houses a reciprocating piston. An exhaust device 25 is connected to an exhaust port of the cylinder section 24. The driving force of the power unit P is transmitted to the rear wheel WR by a drive chain 35 that is stretched between the power unit P and the rear wheel WR.

[0021] A master cylinder 74 that pumps hydraulic fluid is connected to the brake lever 73. A brake cable 77 is connected to a holding member fixed to the master cylinder 74. The brake hose 75 and the brake cable 77 are routed inside the front cover 45 and then gathered on the right side in the vehicle width direction of the motorcycle 10. The brake hose 75 is connected to the front wheel brake 50. The brake cable 77 is routed rearward and connected to a brake pedal 49 that activates a rear wheel brake 91.

[0022] The steering system 30 includes a steering shaft (not shown) journaled on the head pipe 18, a top bridge 31 fixed to the upper end of the steering shaft, a bottom bridge 32 fixed to the lower end of the steering shaft, a pair of left and right front forks 14 supported by the top bridge 31 and the bottom bridge 32, and a steering handlebar 21 fixed to the top bridge 31.

[0023] The motorcycle 10 includes a front cover 45 that covers the front of the head pipe 18, a front side cover 46 that covers the front portion of the body frame 11 from the sides, a side cover 47 that covers the fuel tank 29 and the lower portion of the front of the seat 17, and a rear side cover 48 that covers the lower portion of the rear of the seat 17.

[0024] The motorcycle 10 employs a combined brake system (CBS) for the front and rear wheels. This brake system includes a brake lever 73 attached to the steering handle 21 on the right side in the vehicle width direction, a brake hose 75 connected to the brake lever 73 for actuating the front wheel brake 50, and a brake cable 77 connected to the brake lever 73 for actuating the rear wheel brake 91.

[0025] The brake hose 75 and the brake cable 77 are bundled together with a cable tie (not shown) and routed inside the front cover 45 through the gap between the top bridge 31 and the front cover 45. After being routed inside the front cover 45, the brake hose 75 and the brake cable 77 are arranged together on the right side of the motorcycle 1 in the vehicle width direction.

[0026] Fig. 2 is a perspective view of the motorcycle 1 as viewed from above on the right side in the vehicle width direction. Fig. 3 is a partially enlarged view of Fig. 2. Fig. 2 shows a state in which the fuel tank 29 has been removed. This embodiment is characterized in that the brake cable 77 is routed only on the right side of the center in the vehicle width direction, in other words, only on the right side in the vehicle width direction from the center line of the vehicle body.

[0027] The brake cable 77 passes through the gap between the top bridge 31 and the front cover 45, passes inside the front cover 45, and extends rearward through the right side of the front frame 19 in the vehicle width direction while being hidden by the fuel tank 29 and the seat 17, curves downward behind the side cover 47, and then extends toward the rear brake pedal 49 on the right side in the vehicle width direction. In this configuration, the brake cable 77 is always present only on the right side in the vehicle width direction of the body. This makes it easier to route the brake cable 77 and improves maintainability. In addition, the brake cable 77 is less visible from outside the vehicle body, improving the appearance of the motorcycle 10.

[0028] The rear wheel brake 91 is a mechanical drum brake. The rear wheel brake 91 brakes the rear wheel WR by friction generated when a brake shoe is pressed against the inner peripheral surface of the drum. The front / rear linked brake system according to this embodiment is configured such that both the front wheel brake 50 and the rear wheel brake 91 are actuated in response to the operation of the brake lever 73, and the rear wheel brake 91 is actuated in response to the operation of the brake pedal 49.

[0029] The brake hose 75 and the brake cable 77 are bundled together with a cable tie (not shown) and routed inside the front cover 45 through a gap between the top bridge 31 and the front cover 45. After being routed inside the front cover 45, the brake hose 75 and the brake cable 77 are arranged together on the right side of the motorcycle 1 in the vehicle width direction.

[0030] Fig. 2 is a perspective view of the motorcycle 1 as viewed from above on the right side in the vehicle width direction. Fig. 3 is a partially enlarged view of Fig. 2. Fig. 2 shows a state in which the fuel tank 29 has been removed. This embodiment is characterized in that the brake cable 77 is routed only on the right side of the center in the vehicle width direction, in other words, only on the right side in the vehicle width direction from the center line of the vehicle body.

[0031] The shape of the motorcycle, the configuration of the front and rear interlocking brakes, the shape and structure of the pillion step, the length and routing of the brake cable, etc. are not limited to the above embodiment and can be modified in various ways. For example, the brake cable may be routed only on the left side in the vehicle width direction with respect to the center of the vehicle body. The brake cable routing method according to the present invention is not limited to motorcycles and can be applied to saddle-type three-wheeled vehicles, four-wheeled vehicles, etc.

[0032] A pillion step 50 on which a passenger places their feet is attached to the pair of left and right rear frames 20. The pillion step 50 has a stay 51 fixed to the rear frames 20 and a footrest portion 52 pivotally supported at the lower end of the stay 51. A support plate 53 for supporting the rear end of a brake cable 77 is fixed to the stay 51 of the pillion step 50 on the right side in the vehicle width direction. A wire 77a extends forward from the end of the brake cable 77 fixed to the support plate 53.

[0033] A rearward extension 49a is provided at the rear of the brake pedal 49, and the upper end of the rearward extension 49 is connected to the wire 77a via a swingable equalizer 49b. A return spring 54 is engaged between the support plate 53 and the equalizer 49b.

[0034] With this configuration, when the wire 77a of the brake cable 77 is pulled in response to the operation of the brake lever 73, the brake pedal 49 swings clockwise to operate the rear wheel brake 91. In this embodiment, the rear end of the brake wire 77 is supported by the pillion step 50, making it possible to effectively utilize the space below the pillion step. Also, the rear end of the brake cable 77 can be supported in an appropriate position using existing parts.

[0035] The shape of the motorcycle, the configuration of the front and rear interlocking brakes, the shape and structure of the pillion step, the length and routing of the brake cable, etc. are not limited to the above embodiment and can be modified in various ways. For example, the brake cable may be routed only on the left side in the vehicle width direction with respect to the center of the vehicle body. The brake cable routing method according to the present invention is not limited to motorcycles and can be applied to saddle-type three-wheeled vehicles, four-wheeled vehicles, etc. [Explanation of symbols]

[0036] 1...motorcycle (saddle-type vehicle), 11...body frame, 17...seat, 21...steering handle, 29...fuel tank, 29a...fixing part, 49...brake pedal, 50...pillion step, 77...brake cable, 91...rear wheel brake

Claims

1. A saddle-type vehicle (10) having a brake cable (77) attached to a steering handle (21) and actuating a rear wheel brake (91), The brake cable (77) is routed from the center in the vehicle width direction to only one of the left and right sides, An intermediate portion of the brake cable (77) is supported by a fixed portion (29a) provided on the fuel tank (29), The brake cable (77) is supported by the fixed portion (29a) below the vehicle body frame (11), A recess for straddling the body frame (11) is formed on the lower surface of the fuel tank (29), A saddle-type vehicle, characterized in that the fixing portion (29a) is provided on a wall surface on the right side in the vehicle width direction of the recess.

2. 2. The saddle-type vehicle according to claim 1, wherein a rear end of the brake cable (77) is supported by a pillion step (50).

3. 3. The saddle-type vehicle according to claim 1, wherein the brake cable (77) is arranged so as to be continuous with the inside of the fuel tank (29), pass behind the seat (17), and be connected to a brake pedal (49) that operates the rear wheel brake (91).

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