WO2019064902A1 - Structure for front part of saddled vehicle - Google Patents

Abstract

Provided is a structure for the front part of a saddled vehicle, wherein a wheel speed sensor is supported by a simple structure, and appearance is improved. This structure for the front part of a saddled vehicle is provided with: a left and right pair of front forks 24 for supporting a front wheel 2; a pulser rotor 111 provided to the front wheel 2; and a wheel speed sensor 112 for detecting the rotation of the pulser rotor 111. Bottom cases 96 for supporting the axle 2a of the front wheel 2 are provided at the lower ends of the front forks 24. Brake caliper support sections 98 for supporting brake calipers 58 for braking the front wheel 2 are provided to the bottom cases 96 at positions behind the axle 2a. In a side view of the vehicle, a wheel speed sensor mounting section 120 to which the wheel speed sensor 112 is mounted is provided between the axle 2a and a brake caliper 58 so as to be located on the surface of a bottom case 96, which faces the pulser rotor 111.

Description

Front structure of straddle type vehicle

The present invention relates to a front structure of a saddle-ride type vehicle.

Conventionally, there is known a front structure of a saddle-ride type vehicle in which a brake caliper is supported by a stay extending rearward from a bottom case of a front fork, and a wheel speed sensor is attached to a sensor stay attached to the stay For example, refer to Patent Document 1). The sensor stay of Patent Document 1 extends downward from the stay, and the lower end thereof overlaps the pulsar rotor, and the lower end supports the wheel speed sensor.

JP 2006-248296 A

However, in the front structure of the conventional saddle-ride type vehicle, since a dedicated sensor stay is provided, the number of parts increases and the appearance is apt to be complicated. It is also desirable to improve the appearance by making the wheel speed sensor inconspicuous.
The present invention has been made in view of the above-described circumstances, and it is an object of the present invention to support the wheel speed sensor with a simple structure and to improve the appearance in the front structure of a saddle-ride type vehicle. Do.

This specification includes the entire contents of Japanese Patent Application No. 2017-185633 filed on September 27, 2017.
In the present invention, a pair of left and right front forks (24, 224) for supporting a wheel (2), a pulsar rotor (111) provided on the wheel (2), and a wheel for detecting rotation of the pulsar rotor (111) In a front structure of a saddle-ride type vehicle including a speed sensor (112, 212), the front fork (24, 224) supports a bottom case (96, 296) supporting an axle (2a) of the wheel (2). The lower case (96, 296) has a brake caliper support (98, 298) for supporting the brake caliper (58) for braking the wheel (2) at the rear end of the axle (2a). Between the axle (2a) and the brake caliper (58) in a side view of the vehicle, the pulsalo in the bottom case (96, 296) The surface of the coater (111) side, the wheel speed sensors (112, 212) is a wheel speed sensor mounting portion attached (120, 220) is characterized in that it is provided.

In the above invention, the brake caliper support portion (98, 298) is a lower arm portion (two extending in order to support one end (58a) and the other end (58b) of the brake caliper (58). 99, 299), an upper arm (100, 300), and a connecting part (101, 301) for connecting the lower arm (99, 299) and the upper arm (100, 300), The wheel speed sensor mounting portion (120, 220) may be provided at the coupling portion (101, 301).
In the above invention, the lower arm portion (99), the upper arm portion (100), and the coupling portion (101) form a V-shaped portion (102) in a side view of the vehicle, and the wheel speed The sensor attachment portion (120) may be provided at the coupling portion (101) which is the bottom of the V-shaped portion (102) behind the axle (2a).
In the above invention, the bottom portion (101) of the V-shaped portion (102) may overlap with the outer peripheral portion of the pulsar rotor (111) in a side view of the vehicle.
Furthermore, in the above invention, a brake disc (57) fixed to the wheel (2) and sandwiched between the brake calipers (58) is provided, and the pulsar rotor (111) has a ring-shaped detected portion (115). And a mounting portion (117) projecting radially outward from the detection portion (115), and mounted on the brake disc (57) via the mounting portion (117), the V shape The bottom portion (101) of the portion (102) may overlap the mounting portion (117) in a side view of the vehicle.

In the above invention, the wheel speed sensor mounting portion (120, 220) may include a sensor recess (121, 221) in which the wheel speed sensor (112, 212) is accommodated.
In the above invention, the wheel speed sensor mounting portion (120) is provided with a plurality of fixing holes (122) through which fixing tools (124) for fixing the wheel speed sensor (112) to the bottom case (96) are inserted. , 123), and the sensor recess (121) may be provided between the plurality of fixing holes (122, 123).
In the above invention, a sensor cover (113) fixed to the bottom case (96) and covering the wheel speed sensor (112) from the pulsar rotor (111) side is provided, and the wheel speed sensor (112) is It may be sandwiched between the bottom case (96) and the sensor cover (113).

In the above invention, the wheel speed sensor (112) includes a fixing hole (112c) through which a sensor connector (125) for connecting the wheel speed sensor (112) to the sensor cover (113) is inserted. In the sensor cover (113), a connection hole (126b) to which the sensor connection tool (125) is fixed and a fixing tool (124) for fixing the sensor cover (113) to the bottom case (96) are inserted. And flange portions (127, 128).
Furthermore, in the above invention, the wheel speed sensor (112) includes a case portion (112a) provided with the fixing hole (112c), and a detection portion projecting from the case portion (112a) toward the pulsar rotor (111). The sensor cover (113) may include a detection portion insertion portion (126a) through which the detection portion (112b) is inserted.
In the above invention, the wheel speed sensor (112, 212) includes a cable (112d, 212d) for outputting a signal, and the cable (112d, 212d) and the brake caliper support portion (98, 298) It may be drawn out through an opening (103, 303) defined by the brake caliper (58).

In the above invention, the bottom case (296) includes a cylindrical portion (297d) to which the lower end of the tube body (95) of the front fork (224) is coupled, and a damping force of the front fork (224). An adjusting tubular portion (305) provided with an adjusting mechanism (307), the wheel speed sensor mounting portion (220) comprising the tubular portion (305) and the adjusting tubular portion (305) It may be provided in the sensor recess (221) in between.

According to the front structure of the saddle-ride type vehicle according to the present invention, the front side is provided with a pair of left and right front forks supporting the wheels, a pulsar rotor provided on the wheels, and a wheel speed sensor for detecting rotation of the pulsar rotor The fork has a bottom case at its lower end that supports the wheel axle, and the bottom case has a brake caliper support that supports the brake caliper that brakes the wheel at the rear of the axle, and the axle and brake caliper in vehicle side view The wheel speed sensor mounting part to which a wheel speed sensor is attached is provided in the surface by the side of the pulsar rotor in a bottom case among them.
According to this configuration, since the wheel speed sensor is attached to the bottom case supporting the axle, a stay dedicated to the wheel speed sensor can be omitted, and the wheel speed sensor can be supported with a simple structure and the appearance can be improved. . Furthermore, since the wheel speed sensor is attached to the surface on the pulsar rotor side in the bottom case, it is hidden by the bottom case in the vehicle side view. For this reason, it can prevent that a wheel speed sensor stands out and an external appearance can be improved.

Further, in the above invention, the brake caliper support portion couples the lower arm portion and the upper arm portion, and the lower arm portion and the upper arm portion, which extend in two to support one end portion and the other end portion of the brake caliper. The wheel speed sensor mounting portion may be provided at the coupling portion. According to this configuration, the brake caliper support portion can be reinforced by the joint portion, and the wheel speed sensor attachment portion can be provided at a position where the wheel speed sensor is less noticeable using the joint portion.
In the above invention, the lower arm portion, the upper arm portion, and the coupling portion form a V-shaped portion in a side view of the vehicle, and the wheel speed sensor mounting portion is a rear portion of the axle and a bottom portion of the V-shaped portion. It may be provided in the following connection part. According to this configuration, since the brake caliper support portion is a V-shaped portion, the shape of the brake caliper support portion can be simplified to improve the appearance and the weight of the brake caliper support portion can be reduced. Further, since the bottom of the V-shaped portion of the brake caliper support portion is a portion that easily secures an area in the V-shaped portion, the wheel speed sensor mounting portion can be easily provided.
In the above invention, the bottom of the V-shaped portion may overlap the outer periphery of the pulsar rotor in a side view of the vehicle. According to this configuration, a part of the pulsar rotor can be hidden by the bottom of the V-shaped portion of the brake caliper support portion, and the appearance is good.

Furthermore, in the above invention, a brake disc fixed to the wheel and sandwiched by the brake caliper is provided, and the pulsar rotor includes a ring-shaped detected portion, and an attaching portion protruding radially outward from the detected portion. In addition, the V-shaped portion may be attached to the brake disc via the attachment portion, and the bottom portion of the V-shaped portion may overlap the attachment portion in a side view of the vehicle. According to this configuration, the mounting portion can be hidden by the bottom of the V-shaped portion of the brake caliper support portion, and the appearance is good.
In the above invention, the wheel speed sensor mounting portion may be provided with a sensor recess in which the wheel speed sensor is accommodated. According to this configuration, even if the wheel speed sensor is attached to the bottom case, the wheel speed sensor and the bottom case can be compactly provided in the vehicle width direction.

Further, in the above invention, the wheel speed sensor mounting portion is provided with a plurality of fixing holes through which fasteners for fixing the wheel speed sensor to the bottom case are inserted, and the sensor recess is provided between the plurality of fixing holes. It may be done. According to this configuration, since the wheel speed sensor can be fixed by the fixtures provided on both sides of the sensor recess, the wheel speed sensor can be firmly fixed.
In the above invention, a sensor cover may be provided which is fixed to the bottom case and covers the wheel speed sensor from the pulsar rotor side, and the wheel speed sensor may be sandwiched between the bottom case and the sensor cover. According to this configuration, by interposing the wheel speed sensor between the bottom case and the sensor cover, it is possible to regulate the position of the wheel speed sensor.

In the above invention, the wheel speed sensor includes a fixing hole through which a sensor connector that connects the wheel speed sensor to the sensor cover is inserted, and the sensor cover includes a connecting hole to which the sensor connector is fixed, and a sensor cover. You may provide the flange part by which the fixing tool fixed to a bottom case is penetrated. According to this configuration, the wheel speed sensor can be connected to the sensor cover by the sensor connector, and the small assembly can be fixed to the bottom case with the fastener provided on the flange portion of the sensor cover. For this reason, the wheel speed sensor can be easily installed.
Furthermore, in the above invention, the wheel speed sensor includes a case portion provided with a fixing hole, and a detection portion protruding from the case portion toward the pulsar rotor, and the sensor cover has a detection portion insertion portion into which the detection portion is inserted. You may have. According to this configuration, the detection portion can be protected by inserting the detection portion into the detection portion insertion portion of the sensor cover, and the wheel speed sensor can be positioned on the sensor cover.
In the above invention, the wheel speed sensor may include a cable for outputting a signal, and the cable may be drawn out through an opening defined by the brake caliper support and the brake caliper. According to this configuration, the cable can be properly guided using the opening defined by the brake caliper support portion and the brake caliper.

In the above invention, the bottom case includes a cylindrical portion to which the lower end of the tube body of the front fork is coupled, and an adjusting cylindrical portion provided with a mechanism for adjusting the damping force of the front fork. The portion may be provided in the sensor recess between the tubular portion and the adjusting tubular portion. According to this configuration, the wheel speed sensor can be protected by arranging the wheel speed sensor in the sensor recess, and the wheel speed sensor can be hidden in the recess. In addition, the wheel speed sensor can be compactly arranged in the vehicle width direction.

FIG. 1 is a left side view of a motorcycle according to a first embodiment of the present invention. FIG. 2 is a left side view showing the periphery of a brake caliper of a front wheel in a front structure of a motorcycle. FIG. 3 is a view of the mounting state of the wheel speed sensor and the sensor cover as viewed from the wheel side in the vehicle width direction. FIG. 4 is a view showing a state in which the wheel speed sensor and the sensor cover are removed in FIG. FIG. 5 is a cross-sectional view taken along the line V-V of FIG. FIG. 6 is a side view of the mounting structure of the wheel speed sensor in the second embodiment as viewed from the inside in the vehicle width direction. 7 is a cross-sectional view taken along the line VII-VII of FIG. FIG. 8 is a cross-sectional view taken along line VIII-VIII of FIG.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings. In the description, the directions such as front, rear, left, right and up and down are the same as the directions with respect to the vehicle body unless otherwise specified. Further, a symbol FR shown in each drawing indicates the front of the vehicle body, a symbol UP indicates the upper portion of the vehicle body, and a symbol LH indicates the left side of the vehicle body. In each drawing, the right side of the vehicle body may be indicated by a symbol RH.

First Embodiment
FIG. 1 is a left side view of a motorcycle 1 according to a first embodiment of the present invention. In addition, in FIG. 1, only the left side including the reference numerals is illustrated in the left and right pair.
In the motorcycle 1, an engine 11 as a power unit is supported on a vehicle body frame 10, a steering system 12 for steerably supporting front wheels 2 (wheels) is steerably supported on the front end of the vehicle body frame 10, and a rear wheel 3 is supported. The swing arm 13 is mounted on the rear side of the vehicle body frame 10. The motorcycle 1 is a saddle-ride type vehicle in which a seat 14 on which a passenger sits is provided above the rear of the vehicle body frame 10.

The body frame 10 includes a single head pipe 15 positioned at the center of the vehicle width, a pair of left and right main frames 16 and 16, a pair of left and right sub frames 17 and 17, and a pair of left and right down frames 18 and 18; A pair of left and right pivot frames 19 and 19, a pair of left and right seat frames 20 and 20, and a pair of left and right rear sub-frames 21 and 21 are provided.
The head pipe 15 is provided at the front end of the vehicle body frame 10 and supports the steering system 12.
The main frames 16 extend rearward from the top of the head pipe 15 in a rearward direction.
The sub frames 17, 17 extend rearward from the lower portion of the head pipe 15 and are connected to the front portions of the main frames 16, 16.
The down frames 18, 18 extend downward from the sub frames 17, 17.

The pivot frames 19 19 extend downward from the rear end of the main frames 16 16.
The seat frames 20, 20 extend rearward from the rear end portions of the main frames 16, 16 in a rearward and upward direction.
The rear sub-frames 21 extend from the upper ends of the pivot frames 19 to the rear upper side and are connected to the rears of the seat frames 20.

The steering system 12 includes a steering shaft 23 pivotally supported by the head pipe 15, a pair of left and right front forks 24 and 24 disposed on the left and right sides of the front wheel 2 and supporting the front wheel 2, and a steering shaft 23. A top bridge 25 fixed to the upper end and connecting the tops of the left and right front forks 24 and 24, a bottom bridge 26 fixed to the lower end of the steering shaft 23 and connecting the left and right front forks 24 and 24, and And a handle 27 to be fixed.

The top bridge 25 is fixed to the steering shaft 23 above the head pipe 15, and the bottom bridge 26 is fixed to the steering shaft 23 below the head pipe 15.
The front forks 24, 24 are inclined rearward with respect to the vertical direction by an amount corresponding to the caster angle set for the motorcycle 1. The head pipe 15 is also inclined backward by the caster angle.
The front wheel 2 is pivotally supported by an axle 2 a which is extended between lower ends of the front forks 24 and extends in the vehicle width direction.

The swing arm 13 is supported at its front end by a pivot shaft 28 passed between the left and right pivot frames 19 and 19 and is swingable up and down around the pivot shaft 28. A rear suspension (not shown) is bridged between the swing arm 13 and the vehicle body frame 10.

The engine 11 is disposed below the main frames 16, 16 between the down frames 18, 18 and the pivot frames 19, 19 and supported by the vehicle body frame 10.
The engine 11 includes a crankcase 31 accommodating a crankshaft (not shown), and a cylinder portion 32 extending upward from an upper portion of a front portion of the crankcase 31.

At the rear of the crankcase 31, a transmission (not shown) for decelerating and outputting the rotation of the engine 11 is incorporated. The output of the engine 11 is transmitted to the rear wheel 3 via a drive chain 33 which is bridged between the output shaft of the transmission and the rear wheel 3.
An exhaust pipe 34 of the engine 11 is drawn downward from the front surface of the cylinder portion 32 and extends rearward through the lower part of the crankcase 31. The rear end of the exhaust pipe 34 is connected to a muffler 35 disposed behind and below the right pivot frame 19.
The intake system 36 of the engine 11 is connected to the rear surface of the cylinder portion 32.

The seat 14 is disposed above the seat frames 20, 20 and supported by the seat frames 20, 20.
The fuel tank 38 is disposed between the seat 14 and the head pipe 15 in the front-rear direction. The fuel tank 38 is disposed above the main frames 16, 16 and supported by the main frames 16, 16.
A pair of left and right passenger steps 39, 39 are supported by the pivot frames 19, 19.
The headlight 40 is provided in front of the head pipe 15. The left and right front blinkers 41 are respectively attached to the upper end portions of the left and right front forks 24.
A meter unit 42 for displaying information such as the vehicle speed is disposed above the headlight 40 and in front of the steering wheel 27.
The meter unit 42 is covered from the front by a wind screen 43 disposed above the headlights 40.
The side stand 44 is provided at the lower end of the left pivot frame 19.

The motorcycle 1 is provided with a vehicle body cover 45 which covers a vehicle body formed of a vehicle body frame 10, an engine 11, a steering system 12, and the like.
The body cover 45 covers a pair of left and right front side covers 46 and 46 covering the front ends of the main frames 16 and 16 and the sub frames 17 and 17 from side and covers the seat frames 20 and 20 under the seat 14 from side A pair of left and right rear side covers 47, 47 and a tail cowl 48 are provided.
The motorcycle 1 includes a front fender 50 covering the front wheel 2 from above and a rear fender 51 covering the rear wheel 3 from above.
The motorcycle 1 further includes an electronically controlled brake device 52 for braking the front wheel 2.

At the right end of the handle 27, a brake master cylinder 56 of the brake device 52 is provided.
The brake device 52 includes a brake master cylinder 56, a brake disc 57 provided on the front wheel 2, a brake caliper 58 provided on the front forks 24 and 24, and a brake hose 59 connecting the brake master cylinder 56 and the brake caliper 58. , And a brake control device 60 provided in the middle of the brake hose 59.

The brake control device 60 controls the hydraulic pressure output to the brake caliper 58 in accordance with the hydraulic pressure input by the brake lever of the brake master cylinder 56.
The brake control device 60 is disposed behind the cylinder portion 32 and above the rear of the crankcase 31. The brake control device 60 is a box-like member, and is provided between the rear portions of the left and right main frames 16, 16.
The brake hose 59 extends rearward from the brake master cylinder 56 and is connected to the brake control device 60. The brake hose 59 extends forward from the brake control device 60 and is connected to the brake caliper 58 on the front wheel 2 side. And an output side brake hose 81.

FIG. 2 is a left side view showing the periphery of the brake caliper 58 of the front wheel 2 in the front structure of the motorcycle 1. As shown in FIG.
Referring to FIGS. 1 and 2, the left and right front forks 24 are fixed to the fixed tube 24a fixed to the top bridge 25 and the bottom bridge 26 from below and fixed to the fixed tube 24a from the lower side, And a movable tube 24b which can be stroked in the direction.
The movable tube 24 b includes a tube body 95 fitted to the fixed tube 24 a and a bottom case 96 provided at the lower end of the tube body 95.
The front wheel 2 is disposed between the left and right bottom cases 96, 96. The front wheel 2 is pivotally supported by an axle 2 a passed between the left and right bottom cases 96, 96.
Although the left and right front forks 24, 24 are similarly configured in the left and right, the following description will be made with reference to the left front fork 24.

The front wheel 2 includes a tire 4 and a wheel 5 to which the tire 4 is attached.
The wheel 5 includes an annular rim 5a to which the tire 4 is attached, a hub 5b pivotally supported by the axle 2a, and a spoke 5c connecting the hub 5b and the rim 5a.
The hub 5b is formed in a circular shape in a side view, and has an axle hole in the center through which the axle 2a is inserted.
The spokes 5 c extend radially outward from the outer peripheral portion of the hub 5 b and are coupled to the inner peripheral portion of the rim 5 a.

The brake disc 57 is disposed coaxially with the axle 2a and fixed to the spoke 5c. The brake disc 57 is located between the spoke 5 c and the bottom case 96 in the vehicle width direction.
The brake disc 57 is provided with a hole 57a larger in diameter than the hub 5b. The axle 2a is passed through the hole 57a. The brake disc 57 is fastened to the side surface of the spoke 5c by a disc fixing bolt 57b which is inserted from the outer side in the vehicle width direction to the peripheral portion of the hole 57a. A plurality of disc fixing bolts 57 b are provided in the circumferential direction of the brake disc 57.

The brake caliper 58 is disposed closer to the axle 2a than the inner peripheral portion of the rim 5a and in the rear upper side of the axle 2a in a side view of the vehicle.
The brake caliper 58 is formed in a vertically long block shape in a side view of the vehicle.
The brake caliper 58 has a groove formed along the outer periphery of the brake disc 57 at the front. The brake caliper 58 holds the brake disc 57 in the vehicle width direction by a brake pad (not shown) provided in the groove, and brakes the front wheel 2 by friction.

The brake caliper 58 is fixed to the bottom case 96 by a pair of caliper fixing bolts 58c and 58d inserted through the upper end 58a (one end) and the lower end 58b (the other end).
In detail, caliper fixing bolts 58 c and 58 d are inserted in the radial direction (radial direction) of the front wheel 2 from the rear of the brake caliper 58 and fastened to the bottom case 96. That is, the brake caliper 58 is a so-called radial mount caliper.
The output side brake hose 81 is connected to the rear surface of the brake caliper 58 at a position between the upper and lower caliper fixing bolts 58c and 58d.

The bottom case 96 integrally includes a bottom case main body 97 extending downward along the movable tube 24 b and a brake caliper support portion 98 extending rearward from the rear surface of the bottom case main body 97. The bottom case 96 is, for example, a cast product of an iron-based material or a light metal.
The lower end of the tube main body 95 is coupled to the inner peripheral portion of the upper cylindrical portion of the bottom case main body 97. In the lower part of the bottom case main body 97, an axle support hole 97a penetrating in the vehicle width direction is provided, and the axle 2a is supported by the axle support hole 97a.
At the lower surface of the bottom case main body 97, a split groove 97b is formed to allow the axle support hole 97a to communicate downward. At the front surface of the lower end portion of the bottom case main body 97, a split tightening bolt 97c is provided which is tightened so as to make the split groove 97b smaller. The axle 2a is clamped in the axle support hole 97a by the fastening force of the split bolt 97c.

The brake caliper support portion 98 is a lower arm portion 99 extending rearward slightly backward from the lower end portion of the bottom case main body 97, and an upper arm portion extending upward from the bottom case main body 97 above the lower arm portion 99. And a connecting part 101 which connects the base end of the lower arm 99 and the base of the upper arm 100 up and down.
In detail, the brake caliper support portion 98 forms a V-shaped portion 102 configured by the upper arm portion 100, the coupling portion 101, and the lower arm portion 99 in a vehicle side view. The coupling portion 101 constitutes the bottom of the V of the V-shaped portion 102. The V-shaped portion 102 is provided in a direction in which the V-shape is turned to the rear side so that the lower arm portion 99 extends rearward substantially horizontally.

Behind the axle 2a, an opening 103 defined by the V-shaped portion 102 and the front edge of the brake caliper 58 is formed in a side view of the vehicle.
At a rear end portion of the lower arm portion 99, a bolt fixing portion 99a to which the lower caliper fixing bolt 58d is fastened is provided. At the rear end portion of the upper arm portion 100, a bolt fixing portion 100a to which the upper caliper fixing bolt 58c is fastened is provided.

Referring to FIG. 2, the motorcycle 1 includes a wheel speed detection device 110 that detects the rotation of the front wheel 2.
The wheel speed detection device 110 includes a pulsar rotor 111 fixed to the front wheel 2 and rotating integrally with the front wheel 2, a wheel speed sensor 112 detecting the rotation of the pulsar rotor 111, and a sensor cover 113 covering the wheel speed sensor 112 (see FIG. And 3).

The pulsar rotor 111 includes a ring-shaped detected portion 115 coaxially arranged with the axle 2 a, a central hole 116 through which the axle 2 a passes, and an attaching portion 117 fixed to the brake disc 57.
The to-be-detected part 115 is a ring-shaped disc arrange | positioned substantially parallel to the brake disc 57, and is provided with multiple detection holes 115a which penetrate this disc in a plate | board thickness direction. A plurality of detection holes 115a are formed at equal intervals in the circumferential direction of the pulsar rotor 111 so as to form an annular array, and the partitions 115a and 115a are partitioned between the adjacent detection holes 115a and 115a. The portion 115 b is formed.

The pulsar rotor 111 is disposed coaxially with the brake disc 57, and is fixed so that the detected portion 115 is positioned inside the central hole 57a of the brake disc 57 in a side view of the vehicle.
The mounting portion 117 of the pulsar rotor 111 extends radially outward from the outer peripheral portion of the detected portion 115, and overlaps the peripheral portion of the hole 57a of the brake disc 57 from the outer side in the vehicle width direction. A plurality of mounting portions 117 are provided at intervals in the circumferential direction of the pulsar rotor 111.
The pulsar rotor 111 is fixed to the spoke 5 c by a disk fixing bolt 57 b inserted into the mounting portion 117. That is, the pulsar rotor 111 and the brake disc 57 are fastened to the spoke 5c by the disc fixing bolt 57b.
The pulsar rotor 111 is located between the spoke 5 c and the bottom case 96 in the vehicle width direction.

FIG. 3 is a view of the mounting state of the wheel speed sensor 112 and the sensor cover 113 as viewed from the wheel 5 side in the vehicle width direction. FIG. 4 is a view showing a state in which the wheel speed sensor 112 and the sensor cover 113 are removed in FIG. FIG. 5 is a cross-sectional view taken along the line V-V of FIG.

With reference to FIGS. 2 to 5, the wheel speed sensor 112 and the sensor cover 113 are attached to the inner surface 96a in the vehicle width direction of the bottom case 96 of the front fork 24. The inner side surface 96 a is a surface on the side facing the pulsar rotor 111 on the left and right side surfaces of the bottom case 96.

The V-shaped portion 102 of the bottom case 96 includes an outer step 102b recessed in a V shape along the rear edge 102a of the V-shaped portion 102 in a side view of the vehicle and a rear portion of the V-shaped portion 102 in a side And an inner step 102c recessed in a V-shape along the edge 102a.
The outer step portion 102 b is provided on the outer surface of the bottom case 96. The inner step portion 102 c is provided on the inner side surface 96 a of the bottom case 96.
By providing the outer step portion 102b and the inner step portion 102c, the thickness of the V-shaped portion 102 becomes smaller at a portion on the rear edge 102a side.

The bottom case 96 includes a wheel speed sensor mounting portion 120 to which the wheel speed sensor 112 is attached at a portion of the brake caliper support portion 98 on the inner side surface 96a. In detail, the wheel speed sensor mounting portion 120 is provided at a portion of the coupling portion 101 of the V-shaped portion 102 on the inner side surface 96 a and is located behind the axle 2 a.

The wheel speed sensor mounting portion 120 includes a sensor recess 121 in which a part of the inner side surface 96 a is recessed outward in the vehicle width direction, a fixing hole 122 provided above the sensor recess 121, and a lower portion of the sensor recess 121. And a fixing hole portion 123 provided.
The sensor recess 121 is provided continuously to the rear of the axle support hole 97 a at the connecting portion 101 of the V-shaped portion 102. The sensor recess 121 is recessed outward in the vehicle width direction with respect to the portion of the bottom case main body 97 in the inner side surface 96a.
The bottom surface 121 a of the sensor recess 121 is recessed outward in the vehicle width direction than the inner step portion 102 c. The rear end of the sensor recess 121 is continuous with the inner step 102c.
As shown in FIG. 2 and FIG. 5, the sensor recess 121 extends back and forth along the center line L of the V-shaped portion 102 in a vehicle side view in a rear-up posture.

The fixing hole portion 122 and the fixing hole portion 123 are arranged on the inner side surface 96 a of the coupling portion 101 so as to sandwich the sensor recess 121 vertically.
The fixing hole portion 122 includes a seat surface 122a for receiving the sensor cover 113, and a screw hole 122b formed in the seat surface 122a.
The fixing hole portion 123 includes a seat surface 123a for receiving the sensor cover 113, and a screw hole 123b formed in the seat surface 123a.
Sensor cover fixing bolts 124 and 124 (fixing members) for fixing the sensor cover 113 are fastened to the screw holes 122 b and 123 b from the inside in the vehicle width direction.

The wheel speed sensor 112 includes a case portion 112a extending in the front and rear direction, a detection portion 112b projecting from the case portion 112a toward the pulsar rotor 111, a fixing hole 112c provided in the case portion 112a, and a cable drawn from the case portion 112a. And 112d.
The case portion 112 a is disposed in the sensor recess 121 of the bottom case 96.
The detection unit 112 b is disposed in proximity to the detection target 115 (FIG. 2) of the pulsar rotor 111 from the outside in the vehicle width direction, and detects the detection target 115 that rotates integrally with the front wheel 2. The rotational speed (wheel speed) of 2 is detected.
In detail, the wheel speed sensor 112 changes the magnetic flux generated when the detection hole 115 a and the partition portion 115 b of the detection portion 115 pass near the detection portion 112 b as the front wheel 2 rotates. The pulse wave corresponding to the rotational speed is output to a control device (not shown) of the motorcycle 1.

The fixing hole 112c of the wheel speed sensor 112 is a hole which penetrates the case portion 112a in the vehicle width direction. The fixing hole 112c is provided at the front of the case portion 112a, and is located forward of the detection portion 112b. A sensor connection bolt 125 (sensor connection tool) for connecting the wheel speed sensor 112 to the sensor cover 113 is inserted into the fixing hole 112c from the outside in the vehicle width direction.
The cable 112d is drawn upward from the rear end of the case portion 112a, extends toward the vehicle body frame 10, and is connected to the control device.

The sensor cover 113 includes a sensor cover main body 126 that covers the wheel speed sensor 112 from the inside in the vehicle width direction, an upper flange 127 extending upward from a rear upper edge of the sensor cover main body 126, and a sensor cover main body 126 And a lower flange portion 128 extending downward from the lower edge of the rear of the
The sensor cover main body 126 includes a cylindrical portion 126 a (detection portion insertion portion) extending in the vehicle width direction, and a connection hole 126 b to which the sensor connection bolt 125 is fastened.
The inner circumferential portion of the cylindrical portion 126a constitutes a detection portion insertion hole 126c through which the detection portion 112b of the wheel speed sensor 112 is inserted. The detection unit 112 b faces the detection target 115 of the pulsar rotor 111 from the inner end of the detection unit insertion hole 126 c.

The connection hole 126b of the sensor cover 113 is provided in the front of the sensor cover main body 126 and is located in front of the cylindrical portion 126a.
The upper flange portion 127 abuts on the seat surface 122 a of the fixing hole portion 122 and is fixed to the bottom case 96 by the sensor cover fixing bolt 124.
The lower flange portion 128 abuts on the seat surface 123 a of the fixing hole portion 123 and is fixed to the bottom case 96 by the sensor cover fixing bolt 124.

The wheel speed sensor 112 is connected to the sensor cover 113 to form a small assembly, and is assembled to the bottom case 96 in a small assembly state.
In detail, the wheel speed sensor 112 is inserted into the cylindrical portion 126 a of the sensor cover 113 and connected to the sensor cover 113 by the sensor connection bolt 125 to form a small assembly. In the state of the small assembly, the wheel speed sensor 112 is prevented from rotating by inserting the detection unit 112 b into the detection unit insertion hole 126 c, and is properly attached to the sensor cover 113.
Next, the small assembly is set in the bottom case 96 so that the wheel speed sensor 112 enters the sensor recess 121, and is fixed by the sensor cover fixing bolts 124, 124.
That is, the wheel speed sensor 112 is attached to the inner side surface 96 a of the bottom case 96 via the sensor cover 113. The head of the sensor connection bolt 125 is housed in the sensor recess 121.

The wheel speed sensor 112 is attached to the inner side surface 96a of the bottom case 96. Therefore, in the vehicle side view, the case portion 112a and the detection unit 112b of the wheel speed sensor 112 are hidden by the bottom case 96 and not viewed from the outside. Specifically, the rear end of the case portion 112 a is located forward of the rear edge 102 a of the V-shaped portion 102, and the case portion 112 a is hidden by the bottom case 96. For this reason, it can prevent that the wheel speed sensor 112 stands out, and the appearance is good. In addition, since a dedicated stay for attaching the wheel speed sensor 112 can be omitted, the number of parts can be reduced and the appearance is good.

Further, the sensor cover 113 provided on the inner side surface 96 a of the bottom case 96 is relatively small, and the whole thereof is hidden in the bottom case 96 in a side view of the vehicle. Therefore, the sensor cover 113 can be prevented from standing out.
The cable 112d of the wheel speed sensor 112 is routed upward through the opening 103 defined by the V-shaped portion 102 and the front edge of the brake caliper 58 from the inner side surface 96a to the outside of the bottom case 96. Ru. Thereby, the direction of cable 112 d can be guided in a simple structure using the opening 103.

The lower arm 99 and the upper arm 100 of the brake caliper support 98 are connected to each other at their base ends by the joint 101 to form a V-shaped section 102. As a result, the weight of the brake caliper support 98 can be reduced, and the strength and rigidity of the brake caliper support 98 can be increased by the connecting portion 101. The connecting portion 101 is a bottom portion of the V-shaped portion 102, and can easily secure an area as compared with the lower arm portion 99 and the upper arm portion 100. For this reason, the wheel speed sensor attachment portion 120 can be easily provided in the coupling portion 101.

As shown in FIG. 2, the connecting portion 101 of the V-shaped portion 102 overlaps the detected portion 115 and the mounting portion 117 of the pulsar rotor 111 in a side view of the vehicle. Therefore, the detection target portion 115 and the attachment portion 117 can be hidden by the connecting portion 101, and the appearance is good.
Further, the outer periphery 115 c (FIG. 2) of the detection target 115 is located closer to the axle 2 a than the portion of the connecting portion 101 at the rear edge 102 a of the V-shaped portion 102. Therefore, the detection target portion 115 can be efficiently hidden by the V-shaped portion 102. The tip of the mounting portion 117 of the pulsar rotor 111 is positioned between the portion of the connecting portion 101 at the rear edge 102a of the V-shaped portion 102 and the axle 2a, and the mounting portion 117 is entirely configured by the V-shaped portion 102. It is good also as composition that hides.

As described above, according to the first embodiment to which the present invention is applied, the motorcycle 1 includes the pair of left and right front forks 24 and 24 supporting the front wheel 2 and the pulsar rotor 111 provided on the front wheel 2 , And a wheel speed sensor 112 for detecting the rotation of the pulsar rotor 111, and the front forks 24, 24 have a bottom case 96 for supporting the axle 2a of the front wheel 2 at the lower end. The bottom case 96 has a brake caliper support 98 supporting a brake caliper 58 for braking the front wheel 2 behind the axle 2a, and the pulsar rotor in the bottom case 96 between the axle 2a and the brake caliper 58 in a vehicle side view A wheel speed sensor mounting portion 120 to which the wheel speed sensor 112 is attached is provided on an inner side surface 96 a which is a surface on the side 111.
According to this configuration, since the wheel speed sensor 112 is attached to the bottom case 96 supporting the axle 2a, a dedicated stay for the wheel speed sensor 112 can be omitted, and the wheel speed sensor 112 can be supported with a simple structure. The appearance can be improved. Furthermore, since the wheel speed sensor 112 is attached to the inner side surface 96 a of the bottom case 96, the wheel speed sensor 112 is hidden by the bottom case 96 in a vehicle side view. For this reason, it can prevent that the wheel speed sensor 112 stands out, and the appearance can be improved.

Further, the brake caliper support portion 98 includes a lower arm portion 99 and an upper arm portion 100, and a lower arm portion 99 and an upper arm portion 100 which extend in two to support the upper end portion 58a and the lower end portion 58b of the brake caliper 58. And a wheel speed sensor mounting unit 120 is provided at the joint unit 101. According to this configuration, the brake caliper support portion 98 can be reinforced by the connecting portion 101, and the wheel speed sensor mounting portion 120 can be provided at a position where the wheel speed sensor 112 is less noticeable using the connecting portion 101.
The lower arm 99, the upper arm 100, and the joint 101 form a V-shaped portion 102 in a side view of the vehicle, and the wheel speed sensor mounting portion 120 is a V-shaped portion 102 at the rear of the axle 2a. Provided at the joint portion 101 which is the bottom of the As a result, since the brake caliper support portion 98 is V-shaped, the shape of the brake caliper support portion can be simplified to improve the appearance and the weight of the brake caliper support portion 98 can be reduced. Further, since the joint portion 101 of the V-shaped portion 102 of the brake caliper support portion 98 is a portion that easily secures an area in the V-shaped portion 102, the wheel speed sensor attachment portion 120 can be easily provided.
Further, the connecting portion 101 of the V-shaped portion 102 overlaps the outer peripheral portion of the pulsar rotor 111 in a side view of the vehicle. Thereby, a part of the pulsar rotor 111 can be hidden by the joint portion 101 of the V-shaped portion 102 of the brake caliper support portion 98, and the appearance is good.

Furthermore, a brake disc 57 fixed to the front wheel 2 and sandwiched by the brake calipers 58 is provided, and the pulsar rotor 111 has a ring-shaped detected portion 115 and an attaching portion 117 projecting radially outward from the detected portion 115. And is attached to the brake disc 57 via the attachment portion 117, and the coupling portion 101 of the V-shaped portion 102 overlaps the attachment portion 117 in a side view of the vehicle. As a result, the mounting portion 117 can be hidden by the connecting portion 101 of the V-shaped portion 102, and the appearance is good.
In addition, the wheel speed sensor mounting unit 120 includes a sensor recess 121 in which the wheel speed sensor 112 is housed. Thus, even if the wheel speed sensor 112 is attached to the bottom case 96, the wheel speed sensor 112 and the bottom case 96 can be compactly provided in the vehicle width direction.

In addition, the wheel speed sensor mounting unit 120 includes a plurality of fixing holes 122 and 123 through which the sensor cover fixing bolts 124 and 124 for fixing the wheel speed sensor 112 to the bottom case 96 are inserted. The sensor recess 121 is fixed It is provided between the holes 122 and 123. As a result, the wheel speed sensor 112 can be fixed by the sensor cover fixing bolts 124 and 124 provided on both sides of the sensor recess 121, so that the wheel speed sensor 112 can be fixed firmly.
Further, a sensor cover 113 fixed to the bottom case 96 and covering the wheel speed sensor 112 from the pulsar rotor 111 side is provided, and the wheel speed sensor 112 is sandwiched between the bottom case 96 and the sensor cover 113. Thus, by interposing the wheel speed sensor 112 between the bottom case 96 and the sensor cover 113, the position of the wheel speed sensor 112 can be regulated.

In addition, the wheel speed sensor 112 includes a fixing hole 112 c through which a sensor connection bolt 125 connecting the wheel speed sensor 112 to the sensor cover 113 is inserted, and the sensor cover 113 includes a connection hole 126 b to which the sensor connection bolt 125 is fixed. An upper flange portion 127 and a lower flange portion 128 through which sensor cover fixing bolts 124 and 124 for fixing the sensor cover 113 to the bottom case 96 are inserted. As a result, the wheel speed sensor 112 can be connected to the sensor cover 113 by the sensor connection bolt 125 and assembled in a small assembly, and this assembly can be assembled into the sensor cover fixing bolt 124 provided on the flange portion 127 and the lower flange portion 128 of the sensor cover 113 It can be fixed to the bottom case 96 at 124. Therefore, the assemblability of the wheel speed sensor 112 is good.

Furthermore, the wheel speed sensor 112 includes a case portion 112a provided with the fixing holes 112c, and a detection portion 112b protruding from the case portion 112a toward the pulsar rotor 111. The sensor cover 113 has a cylinder through which the detection portion 112b is inserted. And a unit 126a. Thus, the detection portion 112 b can be protected by the insertion of the detection portion 112 b into the cylindrical portion 126 a of the sensor cover 113, and the wheel speed sensor 112 can be positioned on the sensor cover 113.
In addition, the wheel speed sensor 112 includes a cable 112 d for outputting a signal, and the cable 112 d is drawn out through an opening 103 defined by the V-shaped portion 102 of the brake caliper support 98 and the brake caliper 58. . Thus, the cable 112d can be properly guided using the opening 103 defined by the brake caliper support 98 and the brake caliper 58.

The first embodiment shows an aspect to which the present invention is applied, and the present invention is not limited to the first embodiment.
In the first embodiment, the wheel speed sensor mounting portion 120 is described as being provided at the coupling portion 101 of the V-shaped portion 102, but the present invention is not limited to this, and the wheel speed sensor The mounting portion 120 may be provided on the inner side surface 96 a of the bottom case 96. For example, the wheel speed sensor attachment may be provided on any of the lower arm 99, the upper arm 100, and the bottom case body 97.
In the first embodiment, the wheel speed sensor 112 is described as being attached to the wheel speed sensor mounting portion 120 via the sensor cover 113. However, the present invention is not limited to this. For example, the wheel speed sensor 112 may be It may be directly fixed to inner side 96a of bottom case 96 by fixing tools, such as a bolt.
In the first embodiment, the wheel speed sensor 112 is described as being connected to the sensor cover 113 by the sensor connection bolt 125, but the present invention is not limited to this. For example, the wheel speed sensor 112 may be fixed by being held between the inner surface 96 a of the bottom case 96 and the sensor cover 113.
Furthermore, although the motorcycle 1 has been described as an example of the saddle-ride type vehicle in the first embodiment, the present invention is not limited to this, and the present invention has two front wheels or two rear wheels. The present invention is applicable to a three-wheeled saddle-ride type vehicle and a saddle-ride type vehicle equipped with four or more wheels.

Second Embodiment
Hereinafter, a second embodiment to which the present invention is applied will be described with reference to FIGS. 6 to 8. In the second embodiment, parts that are the same as in the first embodiment are given the same reference numerals, and descriptions thereof will be omitted.
The second embodiment differs from the first embodiment in the configuration of the wheel speed sensor mounting portion 220 and the like.

FIG. 6 is a side view of the mounting structure of the wheel speed sensor 212 in the second embodiment as viewed from the inside in the vehicle width direction.
The motorcycle 1 is provided with left and right front forks 224, 224 instead of the left and right front forks 24, 24.
The wheel speed sensor 212 is provided on the right front fork 224 of the front wheel 2.
Each front fork 224 includes a fixed tube 24a (FIG. 1) and a movable tube 224b that can be axially stroked relative to the fixed tube 24a.
The movable tube 224 b includes a tube main body 95 fitted to the fixed tube 24 a and a bottom case 296 provided at the lower end of the tube main body 95.

The brake caliper 58 is disposed on the axle 2a side of the inner peripheral portion of the rim 5a (FIG. 2) and on the rear upper side of the axle 2a in a side view of the vehicle.
The brake caliper 58 is fixed to the bottom case 96 by a pair of caliper fixing bolts 58c and 58d inserted through the upper end 58a (one end) and the lower end 58b (the other end).
The brake disc 57 is fixed to the spokes 5 c on the right side of the front wheel 2.

The bottom case 296 integrally includes a bottom case main body 297 extending downward along the movable tube 24 b and a brake caliper support 298 extending rearward from the rear surface of the bottom case main body 297. The bottom case 296 is, for example, a cast product of an iron-based material or a light metal.
The lower end of the tube main body 95 is coupled to the inner circumferential portion of the upper cylindrical portion 297 d of the bottom case main body 297. An axle support hole 97 a is provided in the lower portion of the bottom case body 297.
The bottom case body 297 is provided with a split groove 97 b and a split tightening bolt 97 c.

The brake caliper support 298 includes a lower arm 299 extending rearward from the lower end of the bottom case body 297, an upper arm 300 extending upward from the bottom case body 297 above the lower arm 299, and a lower arm. And a coupling portion 301 which couples the proximal end of the side arm 299 and the proximal end of the upper arm 300 up and down. The lower arm portion 299 and the upper arm portion 300 are reinforced by the connecting portion 301.

At the rear of the axle 2a, an opening 303 defined by the rear edge of the brake caliper support 298 and the front edge of the brake caliper 58 is formed in a side view of the vehicle.
At a rear end portion of the lower arm portion 299, a bolt fixing portion 299a to which the lower caliper fixing bolt 58d is fastened is provided. At a rear end portion of the upper arm portion 300, a bolt fixing portion 300a to which the upper caliper fixing bolt 58c is fastened is provided.

The wheel speed detection device 210 includes a pulsar rotor 111, a wheel speed sensor 212 that detects the rotation of the pulsar rotor 111, and a sensor bracket 213 that attaches the wheel speed sensor 212 to the bottom case 296.
The pulsar rotor 111 is fixed to the brake disc 57 on the right side of the front wheel 2 and is located between the front wheel 2 and the bottom case 296 of the front fork 224 on the right side.

The wheel speed sensor 212 and the sensor bracket 213 are attached to the inner surface 296 a in the vehicle width direction of the bottom case 296. The inner side surface 296 a is a surface on the side facing the pulsar rotor 111 in the left and right side surfaces of the bottom case 296.

7 is a cross-sectional view taken along the line VII-VII of FIG. FIG. 8 is a cross-sectional view taken along line VIII-VIII of FIG.
6 to 8, bottom case 296 has a cylindrical portion 305 for adjustment and a cylindrical shape opened upward between lower arm portion 299 and upper arm portion 300 at coupling portion 301. And a boss portion 306.
In the adjustment cylindrical portion 305, an adjustment mechanism 307 of the damping force of the front fork 224 is provided. The adjustment tubular portion 305 is provided on the upper rear along the upper arm portion 300 and extends to the rear end of the coupling portion 301. A dial 307 a (FIG. 6) for operating the adjusting mechanism 307 is provided at the rear end of the adjusting cylindrical portion 305.
The outer diameter of the adjustment cylindrical portion 305 is smaller than the outer diameter of the cylindrical portion 297 d of the bottom case main body 297.
In the boss portion 306, an air tank 308 for adjusting the internal pressure in the front fork 224 is provided. The boss portion 306 is provided above the adjustment cylindrical portion 305.

As shown in FIG. 7, the coupling portion 301 includes a wall portion 301 a that connects the outer periphery of the adjustment cylindrical portion 305 and the cylindrical portion 297 d of the bottom case main body 297. The plate thickness of the wall portion 301 a is smaller than the outer diameter of the adjustment cylindrical portion 305. That is, the adjusting cylindrical portion 305 and the cylindrical portion 297d are convex portions that project in the vehicle width direction with respect to the wall portion 301a.

The bottom case 296 includes a wheel speed sensor mounting portion 220 at a portion of the coupling portion 301 on the inner side surface 296a. In detail, the wheel speed sensor mounting portion 220 is provided at a portion of the wall portion 301a in the inner side surface 296a and is located behind the axle 2a.
The wheel speed sensor mounting portion 220 includes a sensor recess 221 in which a part of the wall portion 301 a is recessed outward in the vehicle width direction, a fixing hole 222 to which a fixture 225 for fixing the sensor bracket 213 is fixed, and a sensor recess And a plurality of projections 223, 223 projecting inward in the vehicle width direction from the peripheral edge portion of 221.

The sensor recess 221 is provided continuously to the rear of the axle support hole 97a, and extends rearward and upward in a side view of the vehicle.
The fixing hole 222 is provided in front of the sensor recess 221.
The protrusions 223, 223 are provided in a pair so as to sandwich the sensor recess 221 in the vertical direction.

The wheel speed sensor 212 includes a case portion 212a extending in the front and rear direction, a cylindrical detection portion 212b protruding from the case portion 212a toward the pulsar rotor 111, and a cable 212d drawn from the case portion 212a.
The case portion 212 a is disposed in the sensor recess 221 of the bottom case 296.
The detection unit 212 b is disposed so as to approach the pulsar rotor 111 from the outside in the vehicle width direction.

The sensor bracket 213 includes an attachment piece 213a fixed to the fixing hole 222, and a support cylinder part 213b projecting inward in the vehicle width direction from the rear end of the attachment piece 213a.
The wheel speed sensor 212 is fixed to the sensor bracket 213 in a state where the detection unit 212 b is fitted to the inner peripheral portion of the support cylindrical portion 213 b from the outer side in the vehicle width direction. The sensor bracket 213 is also a cover that covers the detection unit 212 b.
The sensor bracket 213 is fixed to the fixing hole 222 by a fixing tool 225 which is inserted into the mounting piece 213a from the inner side in the vehicle width direction. Here, the fixture 225 is a bolt.
The sensor bracket 213 is disposed between the pair of protrusions 223 and 223, and the position thereof is regulated by the protrusions 223 and 223. Therefore, the sensor bracket 213 can be attached easily, and the sensor bracket 213 can be firmly fixed by one fixing tool 225.

The wheel speed sensor 212 is attached to the inner side surface 296a of the bottom case 296. Therefore, in the vehicle side view (right side view), the case portion 212a and the detection unit 212b of the wheel speed sensor 212 are hidden by the bottom case 296 and viewed from outside I will not. For this reason, it can prevent that the wheel speed sensor 212 stands out, and the appearance is good.
Further, the sensor bracket 213 provided on the inner side surface 296 a of the bottom case 296 is relatively small, and the whole thereof is hidden in the bottom case 296 in a side view of the vehicle. Therefore, the sensor bracket 213 can be prevented from being conspicuous.
The cable 212 d of the wheel speed sensor 212 may be routed from the inner side 296 a to the outside of the bottom case 296 through the opening 303.

According to the second embodiment to which the present invention is applied, the brake caliper support portion 298 includes a lower arm portion 299 and an upper arm portion extending in two to support the upper end portion 58a and the lower end portion 58b of the brake caliper 58. A wheel speed sensor mounting portion 220 is provided at the connecting portion 301. The connecting portion 301 connects the lower arm portion 299 and the upper arm portion 300 together. According to this configuration, the brake caliper support portion 298 can be reinforced by the joint portion 301, and the wheel speed sensor attachment portion 220 can be provided at a position where the wheel speed sensor 212 is less noticeable using the joint portion 301.
Further, the bottom case 296 includes a cylindrical portion 297d to which the lower end of the tube main body 95 of the front fork 224 is coupled, and an adjusting cylindrical portion 305 provided with the adjustment mechanism 307 of the damping force of the front fork 224. The speed sensor mounting portion 220 may be provided in the sensor recess 221 between the cylindrical portion 297 d and the adjustment cylindrical portion 305. According to this configuration, the wheel speed sensor 212 can be disposed in the sensor recess 221 to protect the wheel speed sensor 212 and hide the wheel speed sensor 212 in the sensor recess 221. Further, the wheel speed sensor 212 can be compactly arranged in the vehicle width direction.

1 Motorcycles (saddle type vehicles)
2 front wheel (wheel)
2a Axle 24,224 Front Fork 57 Brake Disc 58 Brake Caliper 58a Upper end (one end)
58b lower end (other end)
95 Tube body 96, 296 Bottom case 96a, 296a Inner side (Pulser rotor side)
98, 298 Brake caliper support 99, 299 Lower arm 100, 300 Upper arm 101 Joint (bottom)
102 V-shaped part 103 opening 111 pulsar rotor 112, 212 wheel speed sensor 112a case part 112b detection part 112c fixing hole 112d cable 113 sensor cover 115 detection part 117 mounting part 120, 220 wheel speed sensor mounting part 121, 221 for sensor Recess 122, 123 Fixing hole 124 Sensor cover fixing bolt (Fixing tool)
125 Sensor Coupling Bolt (Sensor Coupling Tool)
126a Tubular part (Detection part insertion part)
126b Connection hole 127 Upper flange part (flange part)
128 Lower flange (flange)
297d Tubular part 301 Coupling part 305 Tubular part for adjustment 307 Adjustment mechanism

Claims (12)

1. A pair of left and right front forks (24, 224) for supporting the wheel (2), a pulsar rotor (111) provided on the wheel (2), and a wheel speed sensor (112) for detecting rotation of the pulsar rotor (111). , 212) in the front structure of the saddle-ride type vehicle,
   The front fork (24, 224) has a bottom case (96, 296) at its lower end that supports the axle (2a) of the wheel (2);
   The bottom case (96, 296) comprises a brake caliper support (98, 298) for supporting a brake caliper (58) for braking the wheel (2) at the rear of the axle (2a).
   The wheel speed sensor (112, 212) on the surface of the bottom case (96, 296) on the pulsar rotor (111) side between the axle (2a) and the brake caliper (58) in a vehicle side view A front portion structure of a saddle-ride type vehicle, characterized in that a wheel speed sensor mounting portion (120, 220) to which is mounted is provided.
2. The brake caliper support portion (98, 298) is provided with a lower arm portion (99, 299) and an upper portion extending in two for supporting one end (58a) and the other end (58b) of the brake caliper (58). An arm unit (100, 300) and a coupling unit (101, 301) for coupling the lower arm unit (99, 299) and the upper arm unit (100, 300);
   The front structure of a saddle-ride type vehicle according to claim 1, characterized in that said wheel speed sensor mounting portion (120, 220) is provided at said connecting portion (101, 301).
3. The lower arm portion (99), the upper arm portion (100), and the coupling portion (101) form a V-shaped portion (102) in a vehicle side view,
   The wheel speed sensor mounting portion (120) is provided at the connecting portion (101) which is the bottom of the V-shaped portion (102) behind the axle (2a). Front structure of a saddle-ride type vehicle.
4. The front structure of a saddle-ride type vehicle according to claim 3, wherein the bottom (101) of the V-shaped portion (102) overlaps the outer periphery of the pulsar rotor (111) in a side view of the vehicle.
5. A brake disc (57) fixed to the wheel (2) and sandwiched between the brake calipers (58);
   The pulsar rotor (111) includes a ring-shaped detected portion (115) and an attaching portion (117) projecting radially outward from the detected portion (115), and the attaching portion (117) Mounted to the brake disc (57) via
   The front structure of a saddle-ride type vehicle according to claim 3 or 4, wherein the bottom portion (101) of the V-shaped portion (102) overlaps the mounting portion (117) in a side view of the vehicle.
6. The wheel speed sensor mounting portion (120, 220) according to any one of claims 1 to 5, characterized in that it comprises a sensor recess (121, 221) in which the wheel speed sensor (112, 212) is housed. Front structure of the saddle-ride type vehicle described.
7. The wheel speed sensor mounting portion (120) includes a plurality of fixing holes (122, 123) through which fasteners (124) for fixing the wheel speed sensor (112) to the bottom case (96) are inserted. The front structure of a saddle-ride type vehicle according to claim 6, wherein the sensor recess (121) is provided between a plurality of the fixing holes (122, 123).
8. A sensor cover (113) fixed to the bottom case (96) to cover the wheel speed sensor (112) from the pulsar rotor (111) side;
   The front of the saddle-ride type vehicle according to any one of claims 1 to 7, wherein the wheel speed sensor (112) is sandwiched between the bottom case (96) and the sensor cover (113). Part structure.
9. The wheel speed sensor (112) includes a fixing hole (112c) through which a sensor connector (125) for connecting the wheel speed sensor (112) to the sensor cover (113) is inserted.
   In the sensor cover (113), a connection hole (126b) to which the sensor connection tool (125) is fixed and a fixing tool (124) for fixing the sensor cover (113) to the bottom case (96) are inserted. 9. The front structure of a saddle-ride type vehicle according to claim 8, further comprising a flange portion (127, 128).
10. The wheel speed sensor (112) includes a case portion (112a) provided with the fixing hole (112c), and a detection portion (112b) projecting from the case portion (112a) toward the pulsar rotor (111). ,
    The front structure of a saddle-ride type vehicle according to claim 9, wherein the sensor cover (113) comprises a detection portion insertion portion (126a) through which the detection portion (112b) is inserted.
11. The wheel speed sensor (112, 212) includes a cable (112d, 212d) for outputting a signal, and the cable (112d, 212d) includes the brake caliper support (98, 298) and the brake caliper (58). 11. The front structure of a saddle-ride type vehicle according to any one of claims 1 to 10, which is drawn out through an opening (103, 303) partitioned by the
12. The bottom case (296) includes a cylindrical portion (297d) to which the lower end of the tube body (95) of the front fork (224) is coupled, and a mechanism (307) for adjusting the damping force of the front fork (224). And an adjusting tubular portion (305) to be provided;
    The wheel speed sensor mounting portion (220) is provided in a sensor recess (221) between the tubular portion (305) and the adjusting tubular portion (305). The front structure of the saddle-ride type vehicle according to 2.

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