JP6926216B2 - Front structure of saddle-riding vehicle - Google Patents

Description

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

Conventionally, in the front structure of a saddle-riding vehicle, a brake caliper is supported by a stay extending rearward from the bottom case of the front fork, and a wheel speed sensor is attached to a sensor stay attached to the stay (). For example, see Patent Document 1). The sensor stay of Patent Document 1 extends downward from the stay and its lower end portion overlaps with the pulsar rotor, and the lower end portion supports the wheel speed sensor.

Japanese Unexamined Patent Publication No. 2006-248296

However, in the front structure of the conventional saddle-riding vehicle, since a dedicated sensor stay is provided, the number of parts increases and the appearance tends to be complicated. Further, it is desired to improve the appearance by making the wheel speed sensor inconspicuous.
The present invention has been made in view of the above circumstances, and an object of the present invention is to support a wheel speed sensor with a simple structure in the front structure of a saddle-riding vehicle and to improve the appearance. do.

This specification includes all the contents of the Japanese patent application / Japanese Patent Application No. 2017-185633 filed on September 27, 2017.
The present invention includes a pair of left and right front forks (24,224) that support the wheel (2), a pulsar rotor (111) provided on the wheel (2), and a wheel that detects the rotation of the pulsar rotor (111). In the front structure of a saddle-mounted vehicle equipped with a speed sensor (112,212), the front fork (24,224) is a bottom case (96,296) that supports the axle (2a) of the wheel (2). The bottom case (96,296) has a brake caliper support portion (98,298) for supporting the brake caliper (58) for braking the wheel (2) behind the axle (2a). The wheel speed sensor (112, It is characterized in that a wheel speed sensor mounting portion (120, 220) to which the 212) is mounted is provided.

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

Further, in the above invention, the wheel speed sensor mounting portion (120, 220) may be provided with a sensor recess (121,221) in which the wheel speed sensor (112, 212) is housed.
Further, in the above invention, the wheel speed sensor mounting portion (120) has a plurality of fixing hole portions (122) through which a fixture (124) for fixing the wheel speed sensor (112) to the bottom case (96) is inserted. , 123), and the sensor recess (121) may be provided between the plurality of fixing holes (122, 123).
Further, in the above invention, a sensor cover (113) is provided which is fixed to the bottom case (96) and covers the wheel speed sensor (112) from the pulsar rotor (111) side, and the wheel speed sensor (112) is provided. , May be sandwiched between the bottom case (96) and the sensor cover (113).

Further, 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. The sensor cover (113) is inserted with a connecting hole (126b) to which the sensor connecting tool (125) is fixed and a fixing tool (124) for fixing the sensor cover (113) to the bottom case (96). A flange portion (127, 128) may be provided.
Further, in the above invention, the wheel speed sensor (112) has a case portion (112a) provided with the fixing hole (112c) and a detection portion protruding from the case portion (112a) toward the pulsar rotor (111). The sensor cover (113) may include a detection unit insertion unit (126a) through which the detection unit (112b) is inserted.
Further, in the above invention, the wheel speed sensor (112,212) includes a cable (112d, 212d) for outputting a signal, and the cable (112d, 212d) is connected to the brake caliper support portion (98,298). It may be pulled out through an opening (103, 303) partitioned by the brake caliper (58).

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

According to the front structure of the saddle-riding vehicle according to the present invention, the front is provided with a pair of left and right front forks that support the wheels, a pulsar rotor provided on the wheels, and a wheel speed sensor that detects the rotation of the pulsar rotor. The fork has a bottom case at the lower end that supports the axle of the wheel, and the bottom case has a brake caliper support that supports the brake caliper that brakes the wheel behind the axle. A wheel speed sensor mounting portion to which the wheel speed sensor is mounted is provided on the surface of the bottom case on the pulsar rotor side.
According to this configuration, since the wheel speed sensor is attached to the bottom case that supports the axle, a dedicated stay for 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. .. Further, since the wheel speed sensor is attached to the surface of the bottom case on the pulsar rotor side, it is hidden by the bottom case when viewed from the side of the vehicle. Therefore, it is possible to prevent the wheel speed sensor from being conspicuous, and it is possible to improve the appearance.

Further, in the above invention, the brake caliper support portion connects the lower arm portion and the upper arm portion extending by two to support one end portion and the other end portion of the brake caliper, and the lower arm portion and the upper arm portion. 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 mounting portion can be provided at a position where the wheel speed sensor is inconspicuous by using the joint portion.
Further, in the above invention, the lower arm portion, the upper arm portion, and the joint portion form a V-shaped portion when viewed from the side of the vehicle, and the wheel speed sensor mounting portion is formed at the bottom of the V-shaped portion behind the axle. It may be provided at the joint portion. 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 brake caliper support portion can be configured to be lightweight. Further, since the bottom portion of the V-shaped portion of the brake caliper support portion is a portion where an area can be easily secured in the V-shaped portion, the wheel speed sensor mounting portion can be easily provided.
Further, in the above invention, the bottom portion of the V-shaped portion may overlap the outer peripheral portion of the pulsar rotor when viewed from the side 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.

Further, in the above invention, a brake disc fixed to the wheel and sandwiched between the brake calipers is provided, and the pulsar rotor includes a ring-shaped detected portion and a mounting portion protruding radially outward from the detected portion. At the same time, it 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 when viewed from the side 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.
Further, in the above invention, the wheel speed sensor mounting portion may be provided with a sensor recess for accommodating the wheel speed sensor. 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 includes a plurality of fixing holes through which fixtures for fixing the wheel speed sensor are inserted, and the sensor recess is provided between the plurality of fixing holes. May be done. According to this configuration, the wheel speed sensor can be fixed by fixtures provided on both sides of the sensor recess, so that the wheel speed sensor can be firmly fixed.
Further, in the above invention, a sensor cover is 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, the position of the wheel speed sensor can be regulated by sandwiching the wheel speed sensor between the bottom case and the sensor cover.

Further, in the above invention, the wheel speed sensor includes a fixing hole through which a sensor connector for connecting the wheel speed sensor to the sensor cover is inserted, and the sensor cover has a connecting hole for fixing the sensor connector and a sensor cover. A flange portion through which a fixture for fixing to the bottom case is inserted may be provided. According to this configuration, the wheel speed sensor can be connected to the sensor cover by the sensor connector and assembled into small pieces, and the small group can be fixed to the bottom case by the fixing tool provided on the flange portion of the sensor cover. Therefore, the wheel speed sensor can be easily assembled.
Further, 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 side, and the sensor cover has a detection portion insertion portion through which the detection portion is inserted. You may prepare. According to this configuration, by inserting the detection unit into the detection unit insertion portion of the sensor cover, the detection unit can be protected and the wheel speed sensor can be positioned on the sensor cover.
Further, in the above invention, the wheel speed sensor includes a cable for outputting a signal, and the cable may be pulled out through an opening partitioned by the brake caliper support portion and the brake caliper. According to this configuration, the cable can be appropriately guided by utilizing the opening partitioned by the brake caliper support portion and the brake caliper.

Further, in the above invention, the bottom case includes a tubular portion to which the lower end of the tube body of the front fork is connected and an adjustment tubular portion provided with an adjustment mechanism for the damping force of the front fork, and a wheel speed sensor is attached. The portion may be provided in the recess for the sensor between the tubular portion and the adjusting tubular portion. According to this configuration, the wheel speed sensor can be arranged in the recess for the sensor to protect the wheel speed sensor and hide the wheel speed sensor 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 the first embodiment of the present invention. FIG. 2 is a left side view showing a peripheral portion of a front wheel brake caliper in a front structure of a motorcycle. FIG. 3 is a view of the wheel speed sensor and the sensor cover attached state as viewed from the wheel side in the vehicle width direction. FIG. 4 is a diagram 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 VV of FIG. FIG. 6 is a side view of the mounting structure of the wheel speed sensor according to the second embodiment as viewed from the inside in the vehicle width direction. FIG. 7 is a cross-sectional view taken along the line VII-VII of FIG. FIG. 8 is a cross-sectional view taken along the line VIII-VIII of FIG.

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

[First Embodiment]
FIG. 1 is a left side view of the motorcycle 1 according to the first embodiment of the present invention. In addition, in FIG. 1, only the one on the left side including the reference numeral is shown as a pair of left and right ones.
In the motorcycle 1, the engine 11 as a power unit is supported by the body frame 10, and the steering system 12 that steerably supports the front wheels 2 (wheels) is steerably supported by the front end of the body frame 10 to support the rear wheels 3. This is a vehicle in which the swing arm 13 is provided on the rear side of the vehicle body frame 10. The motorcycle 1 is a saddle-riding vehicle in which a seat 14 on which an occupant sits straddles is provided above the rear portion of the vehicle body frame 10.

The body frame 10 includes a single head pipe 15 located in the center of the vehicle width, a pair of left and right main frames 16 and 16, a pair of left and right subframes 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 subframes 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 and 16 extend rearward from the upper part of the head pipe 15 downward.
The subframes 17 and 17 extend rearward from the lower part of the head pipe 15 and are connected to the front part of the main frames 16 and 16.
The down frames 18 and 18 extend downward from the subframes 17 and 17.

The pivot frames 19, 19 extend downward from the rear ends of the main frames 16, 16.
The seat frames 20 and 20 extend rearward upward from the rear ends of the main frames 16 and 16.
The rear subframes 21 and 21 extend rearward and upward from the upper ends of the pivot frames 19 and 19 and are connected to the rear portions of the seat frames 20 and 20.

The steering system 12 includes a steering shaft 23 rotatably supported by a head pipe 15, a pair of left and right front forks 24 and 24 arranged on both left and right sides of the front wheel 2 and supporting the front wheel 2, and a steering shaft 23. The top bridge 25 fixed to the upper end and connecting the upper parts of the left and right front forks 24 and 24, the 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 the upper part of the top bridge 25. It includes 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 and 24 are provided so as to be inclined rearward with respect to the vertical direction by the amount of the caster angle set for the motorcycle 1. The head pipe 15 is also tilted backward by the caster angle.
The front wheel 2 is passed between the lower ends of the front forks 24 and 24 and is pivotally supported by an axle 2a extending in the vehicle width direction.

The swing arm 13 has a front end supported by a pivot shaft 28 passed between the left and right pivot frames 19 and 19, and can swing up and down about the pivot shaft 28. A rear suspension (not shown) is hung between the swing arm 13 and the vehicle body frame 10.

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

A transmission (not shown) for decelerating and outputting the rotation of the engine 11 is built in the rear part of the crankcase 31. The output of the engine 11 is transmitted to the rear wheels 3 via a drive chain 33 that is laid between the output shaft of the transmission and the rear wheels 3.
The exhaust pipe 34 of the engine 11 is pulled downward from the front surface of the cylinder portion 32, passes under the crankcase 31, and extends rearward. The rear end of the exhaust pipe 34 is connected to a muffler 35 arranged below the rear of the pivot frame 19 on the right side.
The intake device 36 of the engine 11 is connected to the rear surface of the cylinder portion 32.

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

The motorcycle 1 includes a vehicle body cover 45 that covers a vehicle body including a vehicle body frame 10, an engine 11, a steering system 12, and the like.
The vehicle body cover 45 covers the front ends of the main frames 16 and 16 and the subframes 17 and 17 from the side, and the pair of left and right front side covers 46 and 46, and the seat frames 20 and 20 below the seat 14 from the side. It is equipped with a pair of left and right rear side covers 47 and 47 and a tail cowl 48.
The motorcycle 1 includes a front fender 50 that covers the front wheels 2 from above, and a rear fender 51 that covers the rear wheels 3 from above.
Further, the motorcycle 1 includes an electronically controlled braking device 52 that brakes the front wheels 2.

A brake master cylinder 56 of the brake device 52 is provided at the right end of the handle 27.
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. , A brake control device 60 provided in the middle of the brake hose 59 is provided.

The brake control device 60 controls the hydraulic pressure output to the brake caliper 58 according to the hydraulic pressure input by the brake lever of the brake master cylinder 56.
The brake control device 60 is arranged behind the cylinder portion 32 and above the rear portion of the crankcase 31. The brake control device 60 is a box-shaped 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 connects to an input side brake hose (not shown) connected to the brake control device 60, and extends forward from the brake control device 60 and connects to the brake caliper 58 on the front wheel 2 side. The output side brake hose 81 is provided.

FIG. 2 is a left side view showing a peripheral portion of the brake caliper 58 of the front wheel 2 in the front structure of the motorcycle 1.
With reference to FIGS. 1 and 2, each of the left and right front forks 24 is fitted into a fixing tube 24a fixed to the top bridge 25 and the bottom bridge 26 from below and a shaft with respect to the fixing tube 24a. It is provided with a movable tube 24b that can be stroked in a direction.
The movable tube 24b includes a tube body 95 that fits into the fixed tube 24a, and a bottom case 96 provided at the lower end of the tube body 95.
The front wheel 2 is arranged between the left and right bottom cases 96, 96. The front wheel 2 is pivotally supported by an axle 2a passed between the left and right bottom cases 96, 96.
The left and right front forks 24 and 24 are similarly configured on the left and right, but will be described below 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 spokes 5c connecting the hub 5b and the rim 5a.
The hub 5b is formed in a circular shape when viewed from the side, and has an axle hole in the center through which the axle 2a is inserted.
The spokes 5c extend radially outward from the outer peripheral portion of the hub 5b and are coupled to the inner peripheral portion of the rim 5a.

The brake disc 57 is arranged coaxially with the axle 2a and fixed to the spokes 5c. The brake disc 57 is located between the spokes 5c and the bottom case 96 in the vehicle width direction.
The brake disc 57 mainly includes a hole portion 57a having a diameter larger than that of the hub 5b. An 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 that is inserted into the peripheral edge of the hole 57a from the outside in the vehicle width direction. A plurality of disc fixing bolts 57b are provided in the circumferential direction of the brake disc 57.

The brake caliper 58 is arranged on the side of the axle 2a and above the rear of the axle 2a with respect to the inner peripheral portion of the rim 5a when viewed from the side of the vehicle.
The brake caliper 58 is formed in a vertically long block shape when viewed from the side of the vehicle.
The brake caliper 58 has a groove portion formed along the outer peripheral portion of the brake disc 57 at the front portion. 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 wheels 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 portion 58a (one end portion) and the lower end portion 58b (the other end portion).
Specifically, the caliper fixing bolts 58c and 58d are inserted from the rear of the brake caliper 58 in the radial direction of the front wheel 2 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 24b 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 body 95 is coupled to the inner peripheral portion of the tubular portion at the top of the bottom case body 97. An axle support hole portion 97a penetrating in the vehicle width direction is provided in the lower portion of the bottom case main body 97, and the axle 2a is supported by the axle support hole portion 97a.
A split groove 97b is formed on the lower surface of the bottom case main body 97 so as to communicate the axle support hole portion 97a downward. A split tightening bolt 97c that is tightened so as to reduce the split groove 97b is provided on the front surface of the lower end portion of the bottom case main body 97. The axle 2a is narrowly held in the axle support hole 97a by the fastening force of the split tightening bolt 97c.

The brake caliper support portion 98 includes a lower arm portion 99 that extends slightly rearward from the lower end portion of the bottom case body 97 and an upper arm portion that extends rearwardly from the bottom case body 97 above the lower arm portion 99. A 100 and a connecting portion 101 for vertically connecting the base end portion of the lower arm portion 99 and the base end portion of the upper arm portion 100 are provided.
Specifically, the brake caliper support portion 98 forms a V-shaped portion 102 composed of an upper arm portion 100, a coupling portion 101, and a lower arm portion 99 in a vehicle side view. The connecting portion 101 constitutes the V-shaped bottom portion of the V-shaped portion 102. The V-shaped portion 102 is provided in a direction in which the V-shape is tilted rearward so that the lower arm portion 99 extends rearward substantially horizontally.

Behind the axle 2a, an opening 103 is formed which is partitioned by the V-shaped portion 102 and the leading edge of the brake caliper 58 when viewed from the side of the vehicle.
A bolt fixing portion 99a to which the lower caliper fixing bolt 58d is fastened is provided at the rear end portion of the lower arm portion 99. A bolt fixing portion 100a to which the upper caliper fixing bolt 58c is fastened is provided at the rear end portion of the upper arm portion 100.

With reference to FIG. 2, the motorcycle 1 includes a wheel speed detection device 110 that detects the rotation of the front wheels 2.
The wheel speed detection device 110 includes a pulsar rotor 111 that is fixed to the front wheel 2 and rotates integrally with the front wheel 2, a wheel speed sensor 112 that detects the rotation of the pulsar rotor 111, and a sensor cover 113 that covers the wheel speed sensor 112 (FIG. 3) and.

The pulsar rotor 111 includes a ring-shaped detected portion 115 arranged coaxially with the axle 2a, a central hole 116 through which the axle 2a is passed, and a mounting portion 117 fixed to the brake disc 57.
The detected portion 115 is a ring-shaped disk arranged substantially parallel to the brake disc 57, and includes a plurality of detection holes 115a penetrating the disk in the plate 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 arrangement, and partitions 115a and 115a are partitioned between adjacent detection holes 115a and 115a. Part 115b is formed.

The pulsar rotor 111 is arranged coaxially with the brake disc 57, and is fixed so that the detected portion 115 is located inside the central hole portion 57a of the brake disc 57 when viewed from the side 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 portion 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 spokes 5c by a disc fixing bolt 57b inserted through the mounting portion 117. That is, the pulsar rotor 111 and the brake disc 57 are co-tightened to the spokes 5c by the disc fixing bolts 57b.
The pulsar rotor 111 is located between the spokes 5c and the bottom case 96 in the vehicle width direction.

FIG. 3 is a view of the mounted 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 diagram 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 VV of FIG.

With reference to FIGS. 2 to 5, the wheel speed sensor 112 and the sensor cover 113 are attached to the inner side surface 96a of the front fork 24 in the bottom case 96 in the vehicle width direction. The inner side surface 96a is a side surface 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 has an outer step portion 102b that is recessed in a V shape along the trailing edge 102a of the V-shaped portion 102 in the side view of the vehicle and a rear portion 102 of the V shape in the side view of the vehicle. It is provided with an inner step portion 102c that is recessed in a V shape along the edge 102a.
The outer step portion 102b is provided on the outer surface of the bottom case 96. The inner step portion 102c is provided on the inner side surface 96a of the bottom case 96.
By providing the outer step portion 102b and the inner step portion 102c, the plate thickness of the V-shaped portion 102 becomes smaller at the portion on the trailing edge 102a side.

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

The wheel speed sensor mounting portion 120 has a sensor recess 121 in which a part of the inner side surface 96a is recessed outward in the vehicle width direction, a fixing hole 122 provided above the sensor recess 121, and a portion below the sensor recess 121. It is provided with a fixing hole portion 123 provided.
The sensor recess 121 is continuously provided at the rear portion of the axle support hole portion 97a at the coupling 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 body 97 on the inner surface 96a.
The bottom surface 121a of the sensor recess 121 is recessed outward in the vehicle width direction from the inner step portion 102c. The rear end portion of the sensor recess 121 is continuous with the inner step portion 102c.
As shown in FIGS. 2 and 5, the sensor recess 121 extends back and forth along the center line L of the V-shaped portion 102 in the side view of the vehicle in a rearwardly rising posture.

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

The wheel speed sensor 112 includes a case portion 112a extending forward and backward, a detection portion 112b protruding from the case portion 112a toward the pulsar rotor 111 side, a fixing hole 112c provided in the case portion 112a, and a cable pulled out from the case portion 112a. It is equipped with 112d.
The case portion 112a is arranged in the sensor recess 121 of the bottom case 96.
The detection unit 112b is arranged so as to approach the detected unit 115 (FIG. 2) of the pulsar rotor 111 from the outside in the vehicle width direction, and detects the detected unit 115 that rotates integrally with the front wheel 2 to detect the front wheel. The rotation speed (wheel speed) of 2 is detected.
Specifically, the wheel speed sensor 112 changes the magnetic flux of the front wheel 2 when the detection hole 115a and the partition 115b of the detected portion 115 pass in the vicinity of the detection portion 112b as the front wheel 2 rotates. It is output to the control device (not shown) of the motorcycle 1 as a pulse wave according to the rotation speed.

The fixing hole 112c of the wheel speed sensor 112 is a hole that penetrates the case portion 112a in the vehicle width direction. The fixing hole 112c is provided in the front portion of the case portion 112a and is located in front of the detection portion 112b. A sensor connecting bolt 125 (sensor connecting 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 pulled 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 portion 127 that extends upward from the upper edge of the rear portion of the sensor cover main body 126, and a sensor cover main body 126. It is provided with a lower flange portion 128 extending downward from the lower edge of the rear portion.
The sensor cover main body 126 includes a tubular portion 126a (detection portion insertion portion) extending in the vehicle width direction and a connecting hole 126b to which the sensor connecting bolt 125 is fastened.
The inner peripheral portion of the tubular 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 112b faces the detected unit 115 of the pulsar rotor 111 from the inner end of the detection unit insertion hole 126c.

The connecting hole 126b of the sensor cover 113 is provided in the front portion of the sensor cover main body portion 126 and is located in front of the tubular portion 126a.
The upper flange portion 127 abuts on the seat surface 122a 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 123a 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 the state of the small assembly.
Specifically, the wheel speed sensor 112 is formed into a small assembly in which the detection unit 112b is inserted into the tubular portion 126a of the sensor cover 113 and is connected to the sensor cover 113 by the sensor connecting bolt 125. In the state of the small assembly, the wheel speed sensor 112 is stopped by the detection unit 112b being inserted into the detection unit insertion hole 126c, 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 and 124.
That is, the wheel speed sensor 112 is attached to the inner side surface 96a of the bottom case 96 via the sensor cover 113. The head of the sensor connecting bolt 125 is housed in the sensor recess 121.

Since the wheel speed sensor 112 is attached to the inner side surface 96a of the bottom case 96, the case portion 112a and the detection portion 112b of the wheel speed sensor 112 are hidden behind the bottom case 96 and are not visible from the outside when viewed from the side of the vehicle. Specifically, the rear end of the case portion 112a is located in front of the trailing edge 102a of the V-shaped portion 102, and the case portion 112a is hidden by the bottom case 96. Therefore, it is possible to prevent the wheel speed sensor 112 from being conspicuous, and the appearance is good. Further, since the 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 96a of the bottom case 96 is relatively small, and the entire sensor cover 113 is hidden by the bottom case 96 when viewed from the side of the vehicle. Therefore, it is possible to prevent the sensor cover 113 from being conspicuous.
The cable 112d of the wheel speed sensor 112 exits from the inner side surface 96a side to the outside of the bottom case 96 through the opening 103 partitioned by the V-shaped portion 102 and the leading edge of the brake caliper 58, and is routed upward. NS. Thereby, the wiring direction of the cable 112d can be guided by a simple structure using the opening 103.

The lower arm portion 99 and the upper arm portion 100 of the brake caliper support portion 98 are connected to each other by the coupling portion 101 to form a V-shaped portion 102. As a result, the weight of the brake caliper support portion 98 can be reduced, and the strength and rigidity of the brake caliper support portion 98 can be increased by the joint portion 101. The joint portion 101 is the bottom portion of the V-shaped portion 102, and it is easier to secure an area as compared with the lower arm portion 99 and the upper arm portion 100. Therefore, the wheel speed sensor mounting portion 120 can be easily provided on 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 when viewed from the side of the vehicle. Therefore, the detected portion 115 and the mounting portion 117 can be hidden by the connecting portion 101, and the appearance is good.
Further, the outer circumference 115c (FIG. 2) of the detected portion 115 is located closer to the axle 2a than the portion of the connecting portion 101 at the trailing edge 102a of the V-shaped portion 102. Therefore, the detected 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 connecting portion 101 at the trailing edge 102a of the V-shaped portion 102 and the axle 2a, and the mounting portion 117 is entirely connected by the V-shaped portion 102. It may be configured to hide the target.

As described above, according to the first embodiment to which the present invention is applied, the motorcycle 1 includes a pair of left and right front forks 24 and 24 that support the front wheels 2 and a pulsar rotor 111 provided on the front wheels 2. , The wheel speed sensor 112 that detects the rotation of the pulsar rotor 111 is provided, and the front forks 24 and 24 are provided with a bottom case 96 that supports the axle 2a of the front wheel 2 at the lower end portion. The bottom case 96 is provided with a brake caliper support portion 98 for supporting the brake caliper 58 that brakes the front wheels 2 behind the axle 2a, and a pulsar rotor in the bottom case 96 is provided 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 mounted is provided on the inner side surface 96a, which is the surface on the 111 side.
According to this configuration, since the wheel speed sensor 112 is attached to the bottom case 96 that supports 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. Further, since the wheel speed sensor 112 is attached to the inner side surface 96a of the bottom case 96, it is hidden by the bottom case 96 when viewed from the side of the vehicle. Therefore, it is possible to prevent the wheel speed sensor 112 from being conspicuous, and it is possible to improve the appearance.

Further, the brake caliper support portion 98 includes a lower arm portion 99 and an upper arm portion 100 extending by two to support the upper end portion 58a and the lower end portion 58b of the brake caliper 58, and the lower arm portion 99 and the upper arm portion 100. The wheel speed sensor mounting portion 120 is provided in the coupling portion 101, and the coupling portion 101 is provided. According to this configuration, the brake caliper support portion 98 can be reinforced by the coupling portion 101, and the wheel speed sensor mounting portion 120 can be provided at a position where the wheel speed sensor 112 is inconspicuous by using the coupling portion 101.
Further, the lower arm portion 99, the upper arm portion 100, and the connecting portion 101 form a V-shaped portion 102 when viewed from the side of the vehicle, and the wheel speed sensor mounting portion 120 is a V-shaped portion 102 behind the axle 2a. It is provided at the joint portion 101 which is the bottom portion of the above. As a result, since the brake caliper support portion 98 has a V shape, the shape of the brake caliper support portion 98 can be simplified and the appearance can be improved, and the brake caliper support portion 98 can be configured to be lightweight. Further, since the joint portion 101 of the V-shaped portion 102 of the brake caliper support portion 98 is a portion of the V-shaped portion 102 where an area can be easily secured, the wheel speed sensor mounting 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 when viewed from the side of the vehicle. As a result, 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.

Further, a brake disc 57 which is fixed to the front 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 which protrudes radially outward from the detected portion 115. And attached to the brake disc 57 via the mounting portion 117, the connecting portion 101 of the V-shaped portion 102 overlaps the mounting portion 117 when viewed from the side 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.
Further, the wheel speed sensor mounting portion 120 includes a sensor recess 121 in which the wheel speed sensor 112 is housed. As a result, 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.

Further, the wheel speed sensor mounting portion 120 includes a plurality of fixing hole portions 122, 123 through which sensor cover fixing bolts 124, 124 for fixing the wheel speed sensor 112 to the bottom case 96 are inserted, and 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 firmly fixed.
Further, a sensor cover 113 which is fixed to the bottom case 96 and covers 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. Thereby, the position of the wheel speed sensor 112 can be regulated by sandwiching the wheel speed sensor 112 between the bottom case 96 and the sensor cover 113.

Further, the wheel speed sensor 112 includes a fixing hole 112c through which a sensor connecting bolt 125 for connecting the wheel speed sensor 112 to the sensor cover 113 is inserted, and the sensor cover 113 has a connecting hole 126b to which the sensor connecting bolt 125 is fixed. The upper flange portion 127 and the lower flange portion 128 through which the sensor cover fixing bolts 124 and 124 for fixing the sensor cover 113 to the bottom case 96 are inserted are provided. As a result, the wheel speed sensor 112 can be connected to the sensor cover 113 by the sensor connecting bolt 125 and assembled into small pieces, and the small assembled parts can be assembled into the sensor cover fixing bolts 124 provided on the upper flange portion 127 and the lower flange portion 128 of the sensor cover 113. , 124 can be fixed to the bottom case 96. Therefore, the wheel speed sensor 112 is easy to assemble.

Further, the wheel speed sensor 112 includes a case portion 112a provided with a fixing hole 112c and a detection portion 112b protruding from the case portion 112a toward the pulsar rotor 111, and the sensor cover 113 is a cylinder through which the detection portion 112b is inserted. The unit 126a is provided. As a result, the detection unit 112b can be inserted into the tubular portion 126a of the sensor cover 113 to protect the detection unit 112b and position the wheel speed sensor 112 on the sensor cover 113.
Further, the wheel speed sensor 112 includes a cable 112d for outputting a signal, and the cable 112d is pulled out through an opening 103 partitioned by a V-shaped portion 102 of the brake caliper support portion 98 and the brake caliper 58. .. Thereby, the cable 112d can be appropriately guided by utilizing the opening 103 partitioned by the brake caliper support portion 98 and the brake caliper 58.

It should be noted that 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 described above, the wheel speed sensor mounting portion 120 has been described as being provided at the connecting portion 101 of the V-shaped portion 102, but the present invention is not limited to this, and the wheel speed sensor is not limited thereto. The mounting portion 120 may be provided on the inner side surface 96a of the bottom case 96. For example, the wheel speed sensor mounting portion may be provided on any of the lower arm portion 99, the upper arm portion 100, and the bottom case main body 97.
Further, in the first embodiment, the wheel speed sensor 112 has been described as being attached to the wheel speed sensor mounting portion 120 via the sensor cover 113, but the present invention is not limited to this, and for example, the wheel speed sensor 112 may be used. , It may be directly fixed to the inner side surface 96a of the bottom case 96 by a fixing tool such as a bolt.
Further, in the first embodiment described above, the wheel speed sensor 112 has been described as being connected to the sensor cover 113 by a sensor connecting bolt 125, but the present invention is not limited thereto. For example, the wheel speed sensor 112 may be fixed by being sandwiched between the inner side surface 96a of the bottom case 96 and the sensor cover 113.
Further, in the first embodiment described above, the motorcycle 1 as a saddle-riding vehicle has been described as an example, but the present invention is not limited to this, and the present invention includes two front wheels or two rear wheels. It can be applied to a three-wheeled saddle-riding vehicle equipped with four or more wheels and a saddle-riding 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, the parts having the same components as those in the first embodiment are designated by the same reference numerals and the description thereof will be omitted.
In the second embodiment, the configuration of the wheel speed sensor mounting portion 220 and the like is different from that of the first embodiment.

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

The brake caliper 58 is arranged on the side of the axle 2a and above the rear of the axle 2a with respect to the inner peripheral portion of the rim 5a (FIG. 2) when viewed from the side of the vehicle.
Brake caliper 58 has an upper end portion 58a (one end portion) and a lower portion 58b pair of caliper fixing bolts to be inserted into (other end portion) 58c, it is fixed to the bottom case 2 96 by 58d.
The brake disc 57 is fixed to the spokes 5c 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 24b and a brake caliper support portion 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 body 95 is coupled to the inner peripheral portion of the tubular portion 297d above the bottom case body 297. An axle support hole 97a is provided at the bottom of the bottom case body 297.
The bottom case body 297 is provided with a split groove 97b and a split tightening bolt 97c.

The brake caliper support portion 298 includes a lower arm portion 299 extending rearward from the lower end portion of the bottom case main body 297, an upper arm portion 300 extending rearward from the bottom case main body 297 above the lower arm portion 299, and a lower portion. The base end portion of the side arm portion 299 and the base end portion of the upper arm portion 300 are provided with a coupling portion 301 that vertically connects the proximal end portion. The lower arm portion 299 and the upper arm portion 300 are reinforced by the joint portion 301.

Behind the axle 2a, an opening 303 is formed which is partitioned by the trailing edge of the brake caliper support portion 298 and the leading edge of the brake caliper 58 when viewed from the side of the vehicle.
At the rear end of the lower arm portion 299, a bolt fixing portion 299a to which the lower caliper fixing bolt 58d is fastened is provided. A bolt fixing portion 300a to which the upper caliper fixing bolt 58c is fastened is provided at the rear end portion of the upper arm portion 300.

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 side surface 296a in the vehicle width direction of the bottom case 296. The inner side surface 296a is a side surface facing the pulsar rotor 111 on the left and right side surfaces of the bottom case 296.

FIG. 7 is a cross-sectional view taken along the line VII-VII of FIG. FIG. 8 is a cross-sectional view taken along the line VIII-VIII of FIG.
With reference to FIGS. 6 to 8, the bottom case 296 has a tubular portion 305 for adjustment and a tubular portion that opens upward between the lower arm portion 299 and the upper arm portion 300 at the joint portion 301. A boss portion 306 is provided.
An adjusting mechanism 307 for the damping force of the front fork 224 is provided in the adjusting tubular portion 305. The adjusting tubular portion 305 is provided so as to rise along the upper arm portion 300 and extends to the rear end of the connecting portion 301. The dial 307a (FIG. 6) for operating the adjusting mechanism 307 is provided at the rear end of the adjusting tubular portion 305.
The outer diameter of the adjusting tubular portion 305 is smaller than the outer diameter of the tubular portion 297d of the bottom case main body 297.
The boss portion 306 is provided with an air tank 308 for adjusting the internal pressure in the front fork 224. The boss portion 306 is provided above the adjusting tubular portion 305.

As shown in FIG. 7, the connecting portion 301 includes a wall portion 301a that connects the outer circumference of the adjusting tubular portion 305 and the tubular portion 297d of the bottom case main body 297. The plate thickness of the wall portion 301a is smaller than the outer diameter of the adjusting tubular portion 305. That is, the adjusting tubular portion 305 and the tubular portion 297d are convex portions protruding 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. Specifically, the wheel speed sensor mounting portion 220 is provided on the portion of the wall portion 301a on 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 301a is recessed outward in the vehicle width direction, a fixing hole 222 in which a fixture 225 for fixing the sensor bracket 213 is fixed, and a sensor recess. It is provided with a plurality of protrusions 223 and 223 protruding inward in the vehicle width direction from the peripheral edge portion of the 221.

The sensor recess 221 is continuously provided at the rear portion of the axle support hole portion 97a, and extends rearward upward in the vehicle side view.
The fixing hole portion 222 is provided in front of the sensor recess 221.
A pair of protrusions 223 and 223 are provided 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-rear direction, a columnar detection portion 212b protruding from the case portion 212a toward the pulsar rotor 111 side, and a cable 212d pulled out from the case portion 212a.
The case portion 212a is arranged in the sensor recess 221 of the bottom case 296.
The detection unit 212b is arranged so as to approach the pulsar rotor 111 from the outside in the vehicle width direction.

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

Since the wheel speed sensor 212 is attached to the inner side surface 296a of the bottom case 296, the case portion 212a and the detection portion 212b of the wheel speed sensor 212 are hidden behind the bottom case 296 and visually recognized from the outside in the vehicle side view (right side view). Not done. Therefore, it is possible to prevent the wheel speed sensor 212 from being conspicuous, and the appearance is good.
Further, the sensor bracket 213 provided on the inner side surface 296a of the bottom case 296 is relatively small, and the entire sensor bracket 213 is hidden by the bottom case 296 when viewed from the side of the vehicle. Therefore, it is possible to prevent the sensor bracket 213 from being conspicuous.
The cable 212d of the wheel speed sensor 212 may be routed from the inner side surface 296a side to the outer side 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 has a lower arm portion 299 and an upper arm portion extending by two to support the upper end portion 58a and the lower end portion 58b of the brake caliper 58. A coupling portion 301 for connecting the lower arm portion 299 and the upper arm portion 300 is provided with the 300, and the wheel speed sensor mounting portion 220 is provided on the coupling portion 301. According to this configuration, the brake caliper support portion 298 can be reinforced by the coupling portion 301, and the wheel speed sensor mounting portion 220 can be provided at a position where the wheel speed sensor 212 is inconspicuous by using the coupling portion 301.
Further, the bottom case 296 includes a tubular portion 297d to which the lower end of the tube body 95 of the front fork 224 is connected, and an adjusting tubular portion 305 provided with a damping force adjusting mechanism 307 of the front fork 224, and is a wheel. The speed sensor mounting portion 220 may be provided in the sensor recess 221 between the tubular portion 297d and the adjusting tubular portion 305. According to this configuration, the wheel speed sensor 212 can be arranged in the sensor recess 221 to protect the wheel speed sensor 212, and the wheel speed sensor 212 can be hidden in the sensor recess 221. Further, the wheel speed sensor 212 can be compactly arranged in the vehicle width direction.

1 Motorcycle (saddle-riding vehicle)
2 Front wheels (wheels)
2a Axle 24,224 Front fork 57 Brake disc 58 Brake caliper 58a Upper end (one end)
58b Lower end (the other end)
95 Tube body 96,296 Bottom case 96a,296a Inner surface (face on the pulsar 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 Detected part 117 Mounting part 120, 220 Wheel speed sensor mounting part 121,221 For sensor Recesses 122, 123 Fixing hole 124 Sensor cover fixing bolt (fixing tool)
125 Sensor connecting bolt (sensor connecting tool)
126a Cylinder part (detection part insertion part)
126b Connecting hole 127 Upper flange part (flange part)
128 Lower flange part (flange part)
297d Cylindrical part 301 Coupling part 305 Adjustment tubular part 307 Adjustment mechanism

Claims (11)

A pair of left and right front forks (24) that support the wheels (2), a pulsar rotor (111) provided on the wheels (2), and a wheel speed sensor (112) that detects the rotation of the pulsar rotor (111). In the front structure of a saddle-mounted vehicle equipped with
The front fork (24) is provided with a bottom case (96) at the lower end portion that supports the axle (2a) of the wheel (2).
The bottom case (96) is provided with a brake caliper support portion (98) for supporting the brake caliper (58) for braking the wheel (2) behind the axle (2a).
A wheel to which the wheel speed sensor (112) is attached to the surface of the bottom case (96) on the pulsar rotor (111) side between the axle (2a) and the brake caliper (58) in a vehicle side view. A speed sensor mounting part (120) is provided,
The brake caliper support portion (98) has a lower arm portion (99) and an upper arm portion (100) extending by two to support one end (58a) and the other end (58b) of the brake caliper (58). ), And a connecting portion (101) for connecting the lower arm portion (99) and the upper arm portion (100).
The wheel speed sensor mounting portion (120) is provided on the coupling portion (101).
The lower arm portion (99), the upper arm portion (100), and the joint portion (101) form a V-shaped portion (102) when viewed from the side of the vehicle.
The wheel speed sensor mounting portion (120) is provided on the joint portion (101) which is the bottom portion of the V-shaped portion (102) behind the axle (2a). Front structure. The front structure of the saddle-riding vehicle according to claim 1, wherein the joint portion (101) of the V-shaped portion (102) overlaps the outer peripheral portion of the pulsar rotor (111) when viewed from the side of the vehicle. .. A brake disc (57) fixed to the wheel (2) and sandwiched between the brake calipers (58) is provided.
The pulsar rotor (111) includes a ring-shaped detected portion (115) and a mounting portion (117) protruding radially outward from the detected portion (115), and the mounting portion (117) is provided. Attached to the brake disc (57) via
The front structure of a saddle-riding vehicle according to claim 1 or 2, wherein the joint portion (101) of the V-shaped portion (102) overlaps the mounting portion (117) when viewed from the side of the vehicle. The saddle-riding vehicle according to any one of claims 1 to 3, wherein the wheel speed sensor mounting portion (120) is provided with a sensor recess (121) in which the wheel speed sensor (112) is housed. Front structure of. The wheel speed sensor mounting portion (120) includes a plurality of fixing hole portions (122, 123) through which a fixture (124) for fixing the wheel speed sensor (112) to the bottom case (96) is inserted. The front structure of a saddle-mounted vehicle according to claim 4, wherein the sensor recess (121) is provided between the plurality of fixing holes (122, 123). 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.
The front of the saddle-riding vehicle according to any one of claims 1 to 5, wherein the wheel speed sensor (112) is sandwiched between the bottom case (96) and the sensor cover (113). Part structure. 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.
The sensor cover (113) is inserted with a connecting hole (126b) to which the sensor connecting tool (125) is fixed and a fixing tool (124) for fixing the sensor cover (113) to the bottom case (96). The front structure of a saddle-riding vehicle according to claim 6, further comprising flange portions (127, 128). The wheel speed sensor (112) includes a case portion (112a) provided with the fixing hole (112c) and a detection portion (112b) protruding from the case portion (112a) toward the pulsar rotor (111). ,
The front structure of a saddle-riding vehicle according to claim 7, wherein the sensor cover (113) includes a detection unit insertion unit (126a) through which the detection unit (112b) is inserted. The wheel speed sensor (112) includes a cable (112d) that outputs a signal, and the cable (112d) has an opening (103) partitioned by the brake caliper support portion (98) and the brake caliper (58). The front structure of the saddle-riding vehicle according to any one of claims 1 to 8, wherein the front structure of the saddle-mounted vehicle is pulled out through a). A pair of left and right front forks (24) that support the wheels (2), a pulsar rotor (111) provided on the wheels (2), and a wheel speed sensor (112) that detects the rotation of the pulsar rotor (111). In the front structure of a saddle-mounted vehicle equipped with
The front fork (24) is provided with a bottom case (96) at the lower end portion that supports the axle (2a) of the wheel (2).
The bottom case (96) is provided with a brake caliper support portion (98) for supporting the brake caliper (58) for braking the wheel (2) behind the axle (2a).
A wheel to which the wheel speed sensor (112) is attached to the surface of the bottom case (96) on the pulsar rotor (111) side between the axle (2a) and the brake caliper (58) in a vehicle side view. A speed sensor mounting part (120) is provided,
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.
The wheel speed sensor (112) is a front structure of a saddle-riding vehicle, characterized in that it is sandwiched between the bottom case (96) and the sensor cover (113). A pair of left and right front forks (224) that support the wheels (2), a pulsar rotor (111) provided on the wheels (2), and a wheel speed sensor (212) that detects the rotation of the pulsar rotor (111). In the front structure of a saddle-mounted vehicle equipped with
The front fork (224) is provided with a bottom case (296) at the lower end portion that supports the axle (2a) of the wheel (2).
The bottom case (296) is provided with a brake caliper support portion (298) for supporting the brake caliper (58) for braking the wheel (2) behind the axle (2a).
A wheel to which the wheel speed sensor (212) is attached between the axle (2a) and the brake caliper (58) in a vehicle side view and on the surface of the bottom case (296) on the pulsar rotor (111) side. A speed sensor mounting part (220) is provided,
The bottom case (296) has a tubular portion (297d) to which the lower end of the tube body (95) of the front fork (224) is connected, and a damping force adjusting mechanism (307) of the front fork (224). Equipped with an adjustment tubular part (305) provided
The wheel speed sensor mounting portion (220) is provided in a sensor recess (221) between the tubular portion (297d) and the adjusting tubular portion (305). Front structure of.

Images