JP2012166756A - Braking device of saddle-ride type vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the braking device of a saddle-ride type vehicle in which pipe length connecting between a master cylinder and a reserve tank is shortened, and the maintainability of the reserve tank is improved.SOLUTION: In a rear wheel braking device 50 of a motorcycle, the reserve tank 58 is disposed below a rear fender 82, and is disposed below right and left rear frames 23R, 23L and inside the right and left rear frames 23R, 23L. A surface 91 of the reserve tank on the vehicle front side, a surface 93 on the vehicle rear side and a surface 94 on the exterior side in the vehicle width direction are surrounded with a rib wall 100 downward extended from the rear fender 82. The reserve tank 58 is disposed inner side of a pillion step bracket 31R.

Description

  The present invention relates to an improvement in a braking device for a saddle-ride type vehicle.

  2. Description of the Related Art A saddle-ride type vehicle including a braking device that applies a braking force to rear wheels using hydraulic pressure is known (see, for example, Patent Document 1 (FIG. 2)).

  As shown in FIG. 2 of Patent Document 1, a rear brake shaft (43) (the numbers in parentheses indicate the symbols described in Patent Document 1. The same applies hereinafter) provided on the vehicle body side at the lower part of the vehicle. (44) is rotatably supported. In the vicinity of the rear brake pedal (43), a rear brake master cylinder (62) is connected to the rear brake pedal (43), and a brake reserve tank (63) for storing brake fluid in the rear brake master cylinder (62). Connected via piping.

In the saddle-ride type vehicle of Patent Document 1, the brake reserve tank (63) is disposed above the seat stay (32) constituting the vehicle body frame and is covered with the rear cowl (26).
Since the brake reserve tank (63) is disposed above the seat stay (32), there is a problem that the pipe connecting the brake reserve tank (63) and the rear brake master cylinder (62) becomes long.
In addition, since the brake reserve tank (63) is covered with the rear cowl (26), there is room for improvement in maintenance such as confirmation of the oil amount.

JP 2007-223521 A

  It is an object of the present invention to provide a brake device for a saddle-ride type vehicle that can shorten the length of a pipe connecting between a master cylinder and a reserve tank and can improve the maintainability of the reserve tank.

  According to a first aspect of the present invention, there is provided a brake pedal provided at a lower portion of a vehicle body frame, a master cylinder coupled to the brake pedal and fixed to the lower portion of the vehicle body frame to generate hydraulic pressure, and a pipe connected to the master cylinder via a pipe. In a braking device for a saddle-ride type vehicle having a reserve tank that is connected and fixed to a body frame and stores excess oil, the reserve tank is disposed below a rear fender that covers an upper part of a rear wheel, and the body frame The rear tank is disposed below the left and right rear frames provided on the left and right in the vehicle width direction and inside the left rear frame and the right rear frame in the vehicle width direction. The outer surface in the vehicle width direction is surrounded by a rib wall extending downward from the rear fender. .

  The invention according to claim 2 is characterized in that a part of the reserve tank is disposed so as to be exposed from the left side cover or the right side cover that covers the vehicle body frame from the side of the vehicle.

  In the invention according to claim 3, the reserve tank extends from the front to the rear of the vehicle and is fixed to the vehicle body frame. The reserve tank overlaps with the step bracket for fixing the step on which the passenger puts his foot in the longitudinal direction of the vehicle. It is arranged above the step bracket and inside the left step bracket and the right step bracket.

  The invention according to claim 4 is characterized in that the reserve tank is disposed inward in the vehicle width direction of the step bracket and is disposed in front of a cushion unit that supports the rear wheel so as to be swingable.

  In a fifth aspect of the invention, the reserve tank is fixed to the vehicle body frame by a fastening member, and an extension line of the fastening axis of the fastening member is exposed to the outside of the vehicle.

  The invention according to claim 6 is characterized in that the reserve tank is disposed outside the rib wall in the vehicle width direction and is disposed between one of the left and right rear frames and the rear wheel.

  The invention according to claim 7 is characterized in that the rib wall is disposed in front of the vehicle from the axle of the rear wheel in a side view of the vehicle and is extended so that the lower end overlaps the rear wheel.

  In the invention according to claim 1, the master cylinder is fixed to the lower portion of the vehicle body frame, and the reserve tank is disposed below the rear frame and below the rear fender. The master cylinder and the reserve tank can be arranged close to each other. As a result, the pipe length extending from the master cylinder to the reserve tank can be shortened.

  Furthermore, since the front surface, the rear surface and the inner surface in the vehicle width direction of the reserve tank are surrounded by the rib wall, it is possible to protect the reserve tank from the front, rear and inner surfaces in the vehicle width direction. it can. Further, since the outer surface of the reserve tank in the vehicle width direction is open, it is possible to easily check the amount of oil from the side of the vehicle, and to improve the maintainability of the rear wheel braking device.

  In the invention which concerns on Claim 2, a part of reserve tank is arrange | positioned so that it may be exposed from the left side cover or the right side cover. Even in a vehicle whose side part is covered with a side cover, the amount of oil in the reserve tank can be confirmed. As a result, good maintainability is ensured.

  In the invention which concerns on Claim 3, a reserve tank is arrange | positioned inside the vehicle width of a step bracket, and upwards. That is, the reserve tank is guarded by the step bracket extending outward in the vehicle width direction. As a result, the protective effect of the reserve tank can be further enhanced.

  In the invention according to claim 4, the reserve tank is arranged in the vehicle width inward of the step bracket and is arranged in front of the cushion unit. That is, the outside of the reserve tank in the vehicle width direction is guarded by the step bracket, and the rear of the vehicle is guarded by the rear cushion unit. As a result, the protective effect of the reserve tank can be further enhanced.

  In the invention which concerns on Claim 5, since the extension line of the fastening axis of a fastening member is exposed to the vehicle outer side, a tool can be easily accessed to a fastening member. As a result, it is possible to enhance the maintainability of the reserve tank and its piping, such as easy attachment / detachment of the reserve tank.

  In the invention according to claim 6, the reserve tank is disposed in a space formed between the rear wheel and the rear frame. Since the reserve tank is arranged by effectively utilizing the space between the rear wheel and the rear frame that is likely to become a dead space, the vehicle can be reduced in size.

  In the invention which concerns on Claim 7, the lower end of the rib wall is extended so that it may overlap with a rear wheel. Mud or the like that the rear wheel jumps during traveling is guarded by the rib wall. As a result, the reserve tank can be effectively protected from the mud splashed from the rear wheel.

1 is a right side view of a motorcycle according to the present invention. It is a side view explaining arrangement of a braking device of a motorcycle. FIG. 3 is an enlarged view of a main part of FIG. 2 (a state where a vehicle body cover is removed). FIG. 4 is a view taken in the direction of arrow 4 in FIG. 2. FIG. 5 is an enlarged view of part 5 of FIG. 4. It is sectional drawing (vehicle rear view) explaining arrangement | positioning of a reserve tank. FIG. 7 is a sectional view taken along line 7-7 in FIG. 3. It is a figure explaining the vehicle external appearance around a reserve tank. It is the perspective view seen from the fastening axis direction of the fastening member which attaches a reserve tank.

  Hereinafter, embodiments of the present invention will be described in detail. In the drawings and examples, “up”, “down”, “front”, “rear”, “left”, and “right” respectively indicate directions viewed from the driver who rides the motorcycle. The drawings are viewed in the direction of the reference numerals.

Embodiments of the present invention will be described with reference to the drawings.
As shown in FIG. 1, a motorcycle 10 includes a front wheel 12 that is disposed at the front of the vehicle and is steerable by a handle 11, an engine 13 as a drive source that is disposed behind the front wheel 12, and the engine. A saddle-ride type vehicle having a rear wheel 14 disposed behind 13 and driven by an engine 13 and a seat 15 provided between the front wheel 12 and the rear wheel 14 and a passenger sitting on the seat 15 It is.

Next, the body frame that forms the skeleton of the motorcycle 10 will be described. Note that a vehicle body cover to be described later is removed.
As shown in FIG. 2, the vehicle body frame 20 includes a head pipe (FIG. 1, reference numeral 21) that rotatably supports a front fork (FIG. 1, reference numeral 19) that supports a front wheel (FIG. 1, reference numeral 12). And a pair of left and right rear frames 23L, 23R extending from the rear portion of the main frame 22 to the rear upper side of the vehicle (only the reference numeral 23R on the front side is shown). And a pivot frame 24 suspended from the rear part of the main frame 22 is a main element. A kick pedal 29 for starting the engine is attached to the lower rear portion of the engine 13. A main stand 25 is provided on the pivot frame 24.

  A step stay 26 is attached to the lower surface of the engine 13. The step stay 26 is a rod-like member that extends outward in the vehicle width direction, and left and right driver steps 27L and 27R where the driver puts feet on both ends of the step stay 26 (only the reference numeral 27R on the front side is shown). Is installed.

  Further, left and right pillion step brackets 31L and 31R (only the reference numeral 31R on the front side is shown) are attached to the left and right rear frames 23L and 23R at the outer positions in the vehicle width direction of the rear frames 23L and 23R. The left and right pillion step brackets 31L and 31R are members that support steps 32L and 32R (only the reference numeral 32R on the near side is shown) where the passenger puts his / her foot. The left and right pillion step brackets 31L and 31R are extended in the longitudinal direction of the vehicle.

  An engine 13 is disposed below the main frame 22, and an intake system 35 is provided above the engine 13. The engine 13 is suspended from the main frame 22 by an engine stay 34 and a pivot frame 24.

  A swing arm 37 that rotatably supports the rear wheel 14 is pivotally supported via a pivot shaft 38 on the outer side in the rear vehicle width direction of the pivot frame 24 that is suspended from the rear portion of the main frame 22. . Rear cushion units 39L and 39R (only the front side 39R is shown) are interposed between the swing arm 37 and the rear frames 23L and 23R, respectively.

The engine 13 includes a crankcase 41 formed integrally with the transmission case, a cylinder block 42, and a cylinder head 43 in this order from the rear to the front of the vehicle.
An exhaust pipe 45 is connected to the lower surface of the cylinder head 43. The exhaust pipe 45 is extended rearward of the vehicle and has a rear end connected to the silencer 46.

Next, a rear wheel braking device that enables braking of the rear wheel will be described.
The rear wheel braking device 50 includes a brake assembly plate 51 to which members of a rear wheel brake system are mounted, a brake pedal 52 that is rotatably attached to the brake assembly plate 51, and extends rearward from the brake pedal 52. A master cylinder 53 connected to the link plate 52a via a link member 49 and fixed to the brake assembly plate 51 to generate hydraulic pressure by the depression force of the brake pedal 52, and a brake pipe 54 extending from the master cylinder 53 to the rear of the vehicle. A brake caliper 56 that is connected to the tip of the brake pipe 54 and sandwiches a brake disk 55 that is provided integrally with the rear wheel 14, a pipe 57 that extends from the master cylinder 53 to the vehicle rearward side, and a pipe 57 connected to the tip of the pipe 57. The main element is a reserve tank 58 for storing excess oil. . The brake assembly plate 51 is fastened to the pivot frame 24.

  The brake pipe 54 extending from the master cylinder 53 to the brake caliper 56 is fastened to a first pipe stay 61 and a second pipe stay 62 that are erected on the swing arm 37. A reserve tank 58 is connected to the master cylinder 53 via a pipe 57. The brake caliper 56 is attached to the rear swing arm 37.

  The reserve tank 58 is disposed below the rear fender 82 that covers the upper portion of the rear wheel 14, and is disposed below the left and right rear frames 23L and 23R that constitute the rear portion of the vehicle body frame 20 and are provided on the left and right in the vehicle width direction. Yes. The reserve tank 58 is attached and fixed to the right rear frame 23 </ b> R which is a component of the vehicle body frame 20.

  The brake assembly plate 51 is attached to the pivot frame 24 that constitutes the vehicle body frame 20. Therefore, it can be said that the master cylinder 53 is fixed to the vehicle body frame 20 via the brake assembly plate 51.

Next, the vehicle body cover will be described.
Returning to FIG. 1, the motorcycle 10 is covered with a vehicle body cover 70. The vehicle body cover 70 includes a front cover 71 that covers the front surface of the vehicle, and side covers 72L and 72R that are provided continuously from the rear portion of the front cover 71 to the rear of the vehicle and extend rearward of the vehicle to cover the side surfaces of the vehicle. And only left and right pivot plate covers 73L and 73R (front side) that are arranged continuously on the lower edges of the left and right side covers 72L and 72R and that cover the pivot frame (24 in FIG. 2) from the outside. Only the reference numeral 73R on the side) and an upper cover 74 provided on the upper side of the side covers 72L and 72R and covering the upper part of the vehicle.

  The side covers 72L and 72R are the left and right main frame side covers 77L and 77R (only the front side reference 77R is shown) covering the main frame (FIG. 2, reference numeral 22) and the left and right sides of the engine 13, and the left and right sides thereof. Left and right rear side covers 78L, 78R (only the front side reference numeral 78R is shown) continuously extending rearward from the rear edge of the main frame side covers 77L, 77R.

  A front fender 81 is disposed above the front wheel 12, and a handle cover 83 surrounding the handle 11 is disposed around the handle 11. A rear fender 82 is disposed above the rear wheel 14. A center cover 84 is disposed below the sheet 15.

  At least the left and right sides of the head pipe 21, the engine 13, the intake system (FIG. 2, reference numeral 35) and the main frame (FIG. 2, reference numeral 22) are left and right main frame side covers 77L and 77R formed separately. An upper cover 74 that covers the upper side of the main frame 22 is disposed between the left and right main frame side covers 77L and 77R.

  The left and right pivot plate covers 73L and 73R are attached to fitting portions (FIG. 2, reference numerals 115a and 115a (only the reference numeral 115a on the front side of the figure is shown)) attached to the edges of the left and right pillion step brackets 31L and 31R.

  Specifically, left and right pivot plate covers 73L and 73R are respectively attached to fitting portions (FIG. 2, reference numerals 115a and 115a) provided at lower portions of the left and right pillion step brackets 31L and 31R. The left and right rear side covers 78L and 78R are attached to fitting portions (FIG. 2, reference numerals 115b and 115b (only the reference numeral 115b on the front side of the figure is shown)) provided on the upper portion of the bracket 51R.

Next, the brake reserve tank mounting structure and the like will be described.
As shown in FIG. 3, the outside of the reserve tank 58 in the vehicle width direction is covered with a right rear side cover 78R which is a component of the side covers 72L and 72R. Specifically, the reserve tank 58 is disposed so that the lower portion of the reserve tank 58 is exposed downward from the lower edge 78Rb of the right rear side cover. That is, the reserve tank 58 is disposed so as to be exposed from the right side cover 78R that covers the vehicle body frame 20 from the side of the vehicle.

The reserve tank 58 is fixed to a stay member 86 fixed to the right rear frame 23R, which is a component of the vehicle body frame 20, via a fastening member 87. The fastening member 87 is exposed outside the vehicle.
The reserve tank may be arranged on the left side in the vehicle width direction so that the reserve tank is exposed from the left side cover.

Next, a configuration when the brake reserve tank and the like are viewed from below the vehicle will be described.
As shown in FIG. 4, the reserve tank 58 is disposed inward of the left step bracket (left pillion step bracket 31L) and the right step bracket (right pillion step bracket 31R), and the rear wheel (see FIG. 4). 2, the reference numeral 14) is disposed in front of the vehicle with respect to a cushion unit (rear cushion units 39L, 39R) that supports the swingable movement. In addition, the reserve tank 58 is disposed at a position overlapping the swing arm 37.

Next, the rib wall disposed around the reserve tank will be described in detail.
As shown in FIG. 5, a first rib wall 101 corresponding to a front surface 91 of the reserve tank 58 facing the front of the vehicle extends from the rear fender 82 to the vehicle lower side (front side in the figure). The second rib wall 102 and the third rib wall 103 corresponding to the inner surface 92 facing the vehicle inward of the reserve tank continuously from the rear fender 82 to the vehicle lower side (front side in the figure) are directed to the vehicle lower side (front side in the figure). A fourth rib wall 104 corresponding to the rear surface 93 of the reserve tank 58 facing the rear of the vehicle from the rear fender 82 to the vehicle lower side (front side in the figure) is continuously extended in this order. Is extended. That is, the vehicle front surface 91, the rear surface 93, and the vehicle width direction inner surface 92 of the reserve tank 58 are surrounded by the rib wall 100 including the first to fourth rib walls 101 to 104 extending downward from the rear fender 82. It has been broken.

Next, the arrangement of the reserve tank arranged between the pillion step bracket and the rear wheel will be described.
As shown in FIG. 6, a brake assembly plate 51 that is spaced apart from the pivot frame 24 and attached to the pivot frame 24 is provided on the right outer side of the pivot frame 24 in the vehicle width direction. A brake shaft 106 projects from the inner surface of the brake assembly plate 51 in the vehicle width direction, and a brake pedal 52 is rotatably attached to the brake shaft 106. A master cylinder 53 is fixed to the brake assembly plate 51.

The reserve tank 58 is disposed below the rear fender 82 that covers the upper portion of the rear wheel 14, and is disposed inside the left rear frame 23L and the right rear frame 23R.
The reserve tank 58 is disposed above the left and right pillion step brackets 31L and 31R.

  The reserve tank 58 is disposed on the outer side of the rib wall 100 in the vehicle width direction, and is disposed between the right rear frame 23R and the rear wheel 14 constituting one of the left and right rear frames 23L and 23R.

  The reserve tank 58 is disposed in a space 107 formed between the rear wheel 14 and the right rear frame 23R. Since the reserve tank 58 is disposed by effectively utilizing the space 107 between the rear wheel 14 and the right rear frame 23R that is likely to become a dead space, the vehicle can be reduced in size.

  When the reserve tank is arranged on the left side in the vehicle width direction, the reserve tank 58 is arranged in the space 107 formed between the rear wheel 14 and the left rear frame 23L. The vehicle can be downsized.

Next, the arrangement in the height direction of the reserve tank will be described.
As shown in FIG. 7, the reserve tank 58 is disposed below the right rear frame 23 </ b> R that forms the rear portion of the vehicle body frame 20 and is provided on the right side in the vehicle width direction.
A stay member 86 to which the reserve tank 58 is attached is fixed to the right rear frame 23R. A weld nut (FIG. 5, reference numeral 85) to which the fastening member 87 is screwed is fixed to the stay member 86.

The reserve tank 58 is fixed to a stay member 86 fixed to the right rear frame 23R via a fastening member 87.
As an attachment procedure, a flange portion 95 extending outward from the reserve tank 58 in the vehicle width direction is set on the stay member 86, and the flange portion 95 is fastened to the stay member 86 by a fastening member 87. The reserve tank 58 is fixed by fastening the fastening member 87 to the weld nut (reference numeral 85 in FIG. 5). The upper part of the reserve tank 58 is covered with a fender extension 82a.

Since the fastening member 87 is exposed to the outside of the vehicle, the tool can be easily accessed to the fastening member 87. As a result, it is possible to improve the maintainability of the reserve tank 58 and its piping 57, such as easy attachment / detachment of the reserve tank 58.
The reserve tank may be disposed below the left rear frame provided on the left side in the vehicle width direction.

  As shown in FIG. 8, the reserve tank 58 is fixed to a rear frame 23 </ b> R extending from the front to the rear of the vehicle, and step brackets (left and right pillion step brackets 31 </ b> L and 31 </ b> R) for fixing the steps 32 </ b> L and 32 </ b> R on which the passengers put their feet. Are arranged above the left and right pillion step brackets 31L, 31R at a position overlapping with the longitudinal direction of the vehicle.

A lower portion 96 constituting a part of the outer surface 94 of the reserve tank 58 is disposed so as to be exposed from a right side cover 78R that covers the vehicle body frame (reference numeral 20 in FIG. 2) from the side of the vehicle. .
The rib wall 100 is disposed in front of the rear wheel axle 109 in a vehicle side view, and is extended so that the lower end 100b of the rib wall overlaps the rear wheel 14.

Next, arrangement | positioning of the fastening member which fixes a reserve tank is demonstrated.
As shown in FIG. 9, the reserve tank (FIG. 8, reference numeral 58) is fixed to the rear frame 23 </ b> R constituting the vehicle body frame 20 by a fastening member 87. An extension line (a reference numeral 87j in FIG. 5) of the fastening axis of the fastening member 87 is exposed to the outside of the vehicle.
Since the extension line 87j of the fastening axis of the fastening member 87 is exposed outside the vehicle, the tool can be easily accessed by the fastening member 87. As a result, it is possible to improve the maintainability of the reserve tank 58 and its piping 57, such as easy attachment / detachment of the reserve tank 58.

The operation of the saddle-ride type vehicle described above will be described next.
Returning to FIG. 6, the reserve tank 58 is disposed below the rear frames 23 </ b> L and 23 </ b> R and below the rear fender 82. Since the reserve tank 58 is disposed below the rear frames 23L and 23R, the reserve tank 58 can be disposed close to the master cylinder 53 attached to the lower portion of the vehicle body frame 20. As a result, the length of the pipe 57 extending from the master cylinder 53 to the reserve tank 58 can be reduced as compared with the case where the reserve tank 58 is disposed above the rear frame.

Referring also to FIG. 8, the reserve tank 58 is disposed below the pillion step brackets 31L and 31R and inward in the vehicle width direction at a position overlapping the pillion step brackets 31L and 31R in the vehicle longitudinal direction. Even when a force is applied to the vehicle body from the outside in the vehicle width direction, the reserve tank 58 is guarded by the pillion step brackets 31L and 31R. As a result, the reserve tank 58 can be protected.
Further, since the removed reserve tank 58 can be temporarily fixed using the pillion step (step 32R) and the brake oil can be replaced, the maintainability can be improved.

  A part of the reserve tank 58 is disposed so as to be exposed from the right rear side cover 78R. Even in a vehicle in which the side portion (outer surface 94) of the reserve tank is covered with the side covers 78L and 78R, the amount of oil in the reserve tank 58 can be confirmed. As a result, good maintainability is ensured.

  The reserve tank 58 is disposed inward of the vehicle width of the pillion step brackets 31L and 31R, and is disposed in front of the cushion unit (rear cushion unit 39R). That is, the reserve tank 58 is guarded by the pillion step bracket 31R extending outward in the vehicle width direction, and the rear of the vehicle is guarded by the rear cushion unit 39R. As a result, the protective effect of the reserve tank 58 can be further enhanced.

  Further, the lower end 100 b of the rib wall is extended so as to overlap the rear wheel 14. Mud or the like that the rear wheel 14 splashes during traveling is guarded by the rib wall 100. As a result, the reserve tank 58 can be effectively protected from the mud splashed by the rear wheel 14.

  Returning to FIG. 5, the vehicle front surface 91, the rear surface 93, and the vehicle width direction inner surface 92 of the reserve tank 58 are surrounded by the rib wall 100. The reserve tank 58 can be protected from the direction. Further, since the outer surface 94 of the reserve tank 58 in the vehicle width direction is open, it is possible to easily check the amount of oil from the side of the vehicle, and to improve the maintainability of the rear wheel braking device 50. .

  Although the present invention is applied to a motorcycle in the embodiment, it can also be applied to a saddle-ride type tricycle and can be applied to a general saddle-ride type vehicle.

  The present invention is suitable for motorcycles.

  DESCRIPTION OF SYMBOLS 10 ... Saddle-ride type vehicle (motorcycle), 14 ... Rear wheel, 20 ... Body frame, 23L, 23R ... Left and right rear frames, 31L, 31R ... Left and right step brackets (left and right pillion step brackets), 32L, 32R ... Step (passenger step), 39L, 39R ... cushion unit (rear cushion unit), 50 ... rear wheel braking device, 52 ... brake pedal, 53 ... master cylinder, 58 ... reserve tank, 82 ... rear fender, 87 ... fastening member, DESCRIPTION OF SYMBOLS 91 ... Vehicle front surface, 92 ... Vehicle width direction inner surface, 93 ... Vehicle rear surface, 100 ... Rib wall, 100b ... Lower end of rib wall, 109 ... Axle.

Claims (7)

A brake pedal (52) provided at the lower part of the vehicle body frame (20), a master cylinder (53) connected to the brake pedal (52) and fixed to the lower part of the vehicle body frame (20) to generate hydraulic pressure; In a braking device for a saddle-ride type vehicle having a reserve tank (58) that is connected to the master cylinder (53) via a pipe and is fixed to the body frame (20) and stores excess oil,
The reserve tank (58) is disposed below a rear fender (82) that covers the upper part of the rear wheel, and constitutes a rear portion of the vehicle body frame (20) and is provided on the left and right rear frames (left and right in the vehicle width direction). 23L, 23R) and inward in the vehicle width direction of the left rear frame (23L) and the right rear frame (23R),
A front surface (91), a rear surface (93), and an inner surface (92) in the vehicle width direction of the reserve tank (58) are defined by rib walls (100) extending downward from the rear fender (82). A braking device for a saddle-ride type vehicle characterized by being enclosed.   A part of the reserve tank (58) is disposed so as to be exposed from the left side cover (72L) or the right side cover (72R) that covers the vehicle body frame (20) from the side of the vehicle. The braking device for a saddle-ride type vehicle according to claim 1.   The reserve tank (58) extends from the front to the rear of the vehicle, is fixed to the vehicle body frame (20), and a step bracket (31L, 31R) for fixing a step (32L, 32R) on which the passenger puts his / her foot and the longitudinal direction of the vehicle It is disposed above these left and right step brackets (31L, 31R) and inward of the left step bracket (31L, 31R) and the right step bracket (31L, 31R) at a position overlapping in the direction. The braking device for a saddle-ride type vehicle according to claim 1 or 2, wherein   The reserve tank (58) is disposed inward of the step brackets (31L, 31R) in the vehicle width direction, and in front of a cushion unit (39L, 39R) that supports the rear wheel (14) so as to be swingable. 4. A braking device for a saddle-ride type vehicle according to claim 3, wherein the braking device is disposed.   The reserve tank (58) is fixed to the vehicle body frame (20) by a fastening member (87), and an extension line (87j) of the fastening axis of the fastening member (87) is exposed to the outside of the vehicle. The braking device for a saddle-ride type vehicle according to any one of claims 1 to 4.   The reserve tank (58) is disposed outside the rib wall (100) in the vehicle width direction, and is disposed between one of the left and right rear frames (23L, 23R) and the rear wheel (14). The braking device for a saddle-ride type vehicle according to any one of claims 1 to 5, wherein   The rib wall (100) is disposed in front of the axle (109) of the rear wheel (14) in a side view of the vehicle and is extended so that a lower end (100b) overlaps the rear wheel (14). A braking device for a saddle-ride type vehicle characterized by comprising:

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