JP2010052526A - Brake piping structure of motorcycle, and motorcycle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a brake piping structure of a motorcycle for improving working efficiency of mounting a hydraulic control unit and a front wheel brake piping assembly. <P>SOLUTION: A control side brake piping assembly 10 extending from the hydraulic control unit 1 to a master cylinder 31 of a brake operation portion on a steering handlebar, and operation side brake piping assemblies 20 and 21 extending from the hydraulic control unit 1 to a caliper for braking a front wheel brake disk, are connected to the hydraulic control unit 1 which contains an antilock brake system and the like and is arranged between front and rear wheels. The connected hydraulic control unit 1 and brake piping assemblies 10, 20, and 21 are mounted on a main frame F of a vehicle body from one side in a vehicle width direction, and fixed to the main frame F by a fixing means for fixing the hydraulic control unit, and a plurality of fixing means 61 and the like for fixing the brake piping assemblies. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a motorcycle brake piping structure, for example, a motorcycle brake piping structure including a hydraulic control unit incorporating at least one of an antilock brake system and a front-rear interlocking brake system, and the brake piping structure. It relates to the equipped motorcycle.

  As is well known, an anti-lock brake system (hereinafter referred to as “ABS”) for a motorcycle controls the brake fluid pressure to the caliper when the wheel is about to lock, and brakes the brake disc by the caliper. It is a system that automatically controls and prevents the wheels from being locked. The front-rear interlocking brake system is a system that also brakes the front wheels in conjunction with the braking of the rear wheels, for example, by operating a brake pedal.

  In a motorcycle provided with a hydraulic control unit incorporating an ABS or the like, for example, a master cylinder of a brake lever for a front wheel is once connected to the hydraulic control unit by an operation side brake piping assembly, and the hydraulic control unit From this, the caliper is connected to the caliper via the operating side brake piping assembly, so that the entire brake piping length is increased.

  Conventionally, when the hydraulic pressure control unit, the operation side brake piping assembly, and the operation side brake piping assembly are attached to the main frame of the vehicle body, for example, the hydraulic pressure control unit is mounted inside the main frame. Next, the operating side brake piping assembly and the operating side brake piping assembly are inserted into the main frame from above the main frame, connected to the hydraulic pressure control unit, and fixed to the main frame (Patent Document 1). ).

JP 2007-76554 A

  As in the conventional example, each brake pipe assembly is inserted into the main frame from above and attached to the main frame, which takes time to install the brake pipe, lowers the assembly work efficiency and reduces maintenance work. It takes time to attach and detach.

(Object of invention)
An object of the present invention is to provide a brake piping structure capable of easily and quickly mounting a brake piping assembly connected to a hydraulic pressure control unit to a frame of a vehicle body, and a motorcycle equipped with the brake piping structure. That is.

  In order to solve the above-described problems, the present invention provides a brake hydraulic pressure control unit disposed between front and rear wheels and an operation side brake pipe extending from the hydraulic pressure control unit to a master cylinder of a brake operation unit on a steering handle. The hydraulic pressure control unit and both brake piping assemblies in a state where the assembly is connected to the working side brake piping assembly from the hydraulic pressure control unit to a caliper that brakes the brake disc of the front wheel. Is mounted on the frame of the vehicle body from one side in the vehicle width direction, and is fixed to the frame of the vehicle body by a fixing means for fixing the hydraulic pressure control unit and a fixing means for fixing the brake pipe assembly.

  According to the above configuration, when the brake pipe assembly work is performed, the operator places the hydraulic pressure control unit and each brake pipe assembly connected thereto from the one side to the main while being positioned on one side in the vehicle width direction. It can be mounted and fixed on a frame of a vehicle body such as a frame, and the mounting work can be simplified.

  According to the present invention, in the above brake piping structure, preferably, as the fixing means for fixing the hydraulic pressure control unit, a support bracket on which the hydraulic pressure control unit can be placed from one side in the vehicle width direction is attached to the frame of the vehicle body. The hydraulic pressure control unit can be fixed to the support bracket by a fastening member that can be operated from one side in the vehicle width direction.

  According to the above configuration, first, the hydraulic control unit, which is a heavy object, is placed on the support bracket, and then each brake pipe assembly connected to the hydraulic control unit is routed, and the body frame such as the main frame is arranged. It can be fixed to the mounting, and the mounting work becomes easier.

  In the brake piping structure according to the present invention, preferably, a brake pipe constituting the operating side brake piping assembly and a brake pipe constituting the operation side brake piping assembly are mounted on an upper surface of a frame of the vehicle body. As a fixing means for fixing the brake pipe assembly, a pressing member that presses the brake pipe against the upper surface of the frame of the vehicle body from above can be provided.

  According to the above configuration, there is no need to specially provide a support member for receiving the pressing force of the pressing member, and the number of mounting parts can be reduced.

  The present invention provides the above-described fixing means for fixing the brake pipe assembly when the brake pipe assembly for the left caliper and the brake pipe assembly for the right caliper are provided as the operating side brake pipe assembly in the brake pipe structure. A block support bracket having a substantially U-shaped cross section for fixing a block member for connecting the brake pipes constituting the operating side brake pipe assembly to the frame of the vehicle body, and the brake caliper assembly for the left caliper Any one of the block member in the right caliper brake pipe assembly and the block member in the operation side brake pipe assembly between the inner surfaces of the opposing wall members of the block support bracket. The other two can be fixed to the outer surface of each of the wall members.

  According to the above-described configuration, the dimension of the block support bracket having a substantially U-shaped cross section is set such that the dimension between the wall members is a predetermined tolerance with respect to the dimension of one connecting block member sandwiched between the wall members. It is only necessary to finish it inside, and the dimension setting for the remaining two connecting block members arranged on the outer surface of the wall member is not necessary. This facilitates the manufacture of a connecting block member having a substantially U-shaped cross section and allows three connecting block members to be attached to the U-shaped block support bracket with a predetermined accuracy. .

  The present invention also provides a motorcycle. The motorcycle according to the present invention is used for a front wheel that brakes a frame of a vehicle body in which a recess opened in one side in the vehicle width direction is formed, and a brake disk of a front wheel. A hydraulic pressure control unit that generates hydraulic fluid pressure that serves as an operating force for the front wheel caliper and that is at least partially accommodated in the recess to adjust the hydraulic pressure in the brake pipe, and the vehicle body An operation generated by the hydraulic pressure control unit by connecting the hydraulic pressure control unit and the front wheel caliper through an arrangement region including one side and an upper side in the vehicle width direction of the frame. And an actuating brake piping assembly for transmitting hydraulic pressure to the front wheel caliper.

  According to the above configuration, the brake pipe assembly passes through one side in the vehicle width direction. That is, with the brake pipe assembly assembled, the entire operation-side brake pipe assembly can be fixed to the vehicle body frame by fixing it to the vehicle body frame from one side in the vehicle width direction. Thereby, compared with the case where each piping which comprises a brake piping assembly is assembled to the frame of a vehicle body, the pipe fixing operation | work with respect to the frame of a vehicle body can be performed in a short time.

  In the motorcycle described above, preferably, the hydraulic pressure control unit and the master cylinder of the brake operation unit on the steering handle are connected to each other through the arrangement area, and an operation generated by the master cylinder is connected. An operation side brake piping assembly that further transmits hydraulic pressure to the hydraulic pressure control unit is further included, and the operation side brake piping assembly and the operation side brake piping assembly extend along the frame of the vehicle body adjacent to each other. ing.

  According to the above configuration, when fixing each brake pipe assembly to the vehicle body, it is possible to perform the pipe fixing work on the vehicle body frame in a shorter time than when each pipe constituting the pipe assembly is assembled to the vehicle body frame. it can.

  In the motorcycle described above, preferably, in the state where the hydraulic control unit is fixed to the vehicle body, a connection hole formed in the hydraulic control unit and connected to a brake pipe is provided on the vehicle body. It is arranged at one side in the vehicle width direction from the frame.

  According to the said structure, interference with the flame | frame of a vehicle body and a brake piping assembly can be prevented, and the fixing operation | work of brake piping can be facilitated.

  In the motorcycle according to the present invention, preferably, the operating side brake piping assembly includes a first part on the hydraulic pressure control unit side, a second part on the caliper side for the front wheel, and the first part. And a third part between the first part and the second part, wherein the first part and the second part are arranged on one side in a vehicle width direction of the frame of the vehicle body, and the third part is The vehicle body frame is disposed above the vehicle width direction.

  According to the above configuration, the operating side brake piping assembly has the portion (third portion) arranged in the upper direction in the vehicle width, so that it is easy to attach the vehicle body to the frame.

  In short, according to the present invention, during the assembly work of the brake pipe, the operator places the hydraulic pressure control unit and each brake pipe assembly connected to the one side on the one side while being positioned on one side in the vehicle width direction. It can be mounted on the main frame and fixed, and the mounting work can be simplified.

[Embodiment of the Invention]
FIG. 1 is a schematic piping diagram of a brake device for a front wheel of a motorcycle according to the present invention, and FIG. 2 is a schematic piping diagram of a brake device for a rear wheel of a motorcycle according to the present invention. And the concept of each brake device for rear wheels will be described. In FIG. 1, the brake device for the front wheel includes a hydraulic control unit 1 for both front and rear wheels that incorporates an ABS (anti-lock brake system) and a front and rear interlocking brake system, and a brake lever 2 that is a brake operation unit for the front wheel. And a front wheel master cylinder 3 driven by the front wheel brake lever 2 and a pair of left and right front wheel calipers 4 and 5 for braking left and right brake discs of the front wheel. The front wheel master cylinder 3 and the first inlet port 1a of the fluid pressure control unit 1 are connected by a front wheel operation side brake piping assembly 10 so that the brake fluid can flow. The left caliper 4 for the front wheel and the first outlet port 1b of the hydraulic pressure control unit 1 serve as brake fluid flow by the left caliper brake piping assembly 20 as one of the working side brake piping assemblies for the front wheels. The right caliper 4 for the front wheel and the second outlet port 1c of the hydraulic pressure control unit 1 are connected to each other as one of the working side brake piping assemblies for the front wheel. The solid 21 is connected so that the brake fluid can flow.

  The front-side brake pipe assembly 10 for the front wheel includes a single or a plurality of metal brake pipes 11 having an inner diameter d1 (not shown), a plurality of rubber brake pipes 12-1, 12-2, etc. The left caliper brake pipe assembly 20 for the front wheel includes a single or a plurality of metal brake pipes 25 having an inner diameter d2 (not shown), a plurality of rubber brake pipes 26-1, 26-2, 26-3, etc., and the right caliper brake pipe assembly 21 for the front wheel includes a single or a plurality of metal brake pipes (the first 27 and a plurality of brake pipe assemblies having an inner diameter d2. The rubber brake pipes 28-1, 28-2, 28-3, etc. Each of the metal brake pipes 11, 25, 27 is made of stainless steel, for example.

  The inner diameter d1 of the front-wheel operating-side metal brake pipe 11 is relatively thicker than the inner diameter d2 of each caliper-use metal brake pipe 25, 27 on the front-wheel operating side. Preferably, the liquid flow cross-sectional area of the metal brake pipe 11 on the front wheel operation side is approximately twice the liquid flow cross-sectional area of the metal brake pipes 25 and 27 on the front wheel operation side. The inner diameters d1 and d2 are set. Accordingly, the total area of the liquid flow cross-sectional areas of the metal brake pipes 25 and 27 on the front wheel operation side is substantially equal to the liquid flow cross-sectional area of the metal brake pipe 11 on the front wheel operation side. ing.

  Of course, the magnitude relationship between the inner diameter d1 of the metal brake pipe 11 on the front wheel operation side and the inner diameter d2 of the metal brake pipes 25 and 27 on the operation side for the front wheels is not limited to the above relation. The brake pipe assemblies 10, 20, and 21 can be appropriately changed depending on the length, the curved state, the bent state, or the like.

  In FIG. 2, the rear wheel brake device includes a hydraulic control unit 1 for the front and rear wheels, a rear wheel brake pedal 30 as a brake operation unit, and a rear wheel master cylinder 31 driven by the brake pedal 30. And a rear wheel caliper 32. The rear wheel master cylinder 31 and the second inlet port 1e of the hydraulic pressure control unit 1 are connected by the rear wheel operation side brake piping assembly 33 so that the brake fluid can flow, and the rear wheel caliper 32 and the hydraulic pressure are connected to each other. The third outlet port 1f of the control unit 1 is connected by a rear wheel operation side brake piping assembly 34 so that the brake fluid can flow.

  The rear wheel operation side brake pipe assembly 33 includes a single or a plurality of metal brake pipes 35 having an inner diameter d3 (not shown), a single or a plurality of rubber brake pipes 36, and the like. The rear wheel working side brake piping assembly 34 includes a single or a plurality of metal brake pipes 37 having an inner diameter d4 (not shown) smaller than the inner diameter d3, a single or a plurality of rubber brake pipes 38, and the like. And.

(Brake piping assembly mounting structure)
3 is a perspective view of a main frame of the motorcycle having the front and rear brake devices of FIGS. 1 and 2, FIG. 4 is a right side view of the front wheel brake device of FIG. 3, and FIG. 5 is a plan view of FIG. 6 is a left side view of the front wheel portion of FIG. 4, and FIG. 7 is a right side view of the rear wheel brake device of FIG.

  In FIG. 3, a motorcycle main frame F includes a cylindrical head pipe 51 that supports a steering shaft, and a main pipe 52 that extends rearward from the head pipe 51 and has a rear end curved downward. The pair of left and right down pipes 53 extending substantially downward from the head pipe 51, the pair of left and right lower pipes 55 extending rearward from the lower end of each down pipe 53, and the pair of left and right rising substantially upward from the rear end of each lower pipe 55 Rising pipes 56, a pair of left and right rear pipes 57 extending from the vicinity of the rear end of the main pipe 52 to the rear and lower left and right and reaching the vicinity of the lower end of the rising pipe 56; And a pair of left and right connecting pipes 58 that reach the upper end of the rising pipe 56. Further, the main frame F includes a pair of left and right rear seat supports 59 extending rearward from the upper end of the rising pipe 56, and a plurality of cross members and the like.

    In FIG. 5, the metal brake pipe 11 of the front wheel operation side brake pipe assembly 10 and the metal brake pipes 25 and 27 of the left and right caliper brake pipe assemblies 20 and 21 on the front wheel operation side are shown. It is disposed on the upper surface of the main pipe 52 having a square cross section, and is fixed to the upper surface of the main pipe 52 by the first fixing means 61 at the front part, and the bundling state is maintained by the second fixing means 62 at the rear part. . The front end portions of the three metal brake pipes 11, 25, 27 for the front wheels go around one side surface of the main pipe 52 in the vehicle width direction, for example, the right side surface, and a fifth fixing means (connection means) 65 Are connected to rubber brake pipes 12-1, 26-2 and 28-2, respectively. The rear end portions of the three metal brake pipes 11, 25, 27 for the front wheels extend rearward and downward along the rear pipe 57 on the right side, and the bundled state is maintained and fixed by the third fixing means 63. At the same time, they are connected to rubber brake pipes 12-2, 26-1, and 28-1 via fourth fixing means (connecting means) 64 provided on the right connecting pipe 58, respectively.

  In FIG. 4, the hydraulic control unit 1 is placed on a support bracket 43 provided between a right rising pipe 56 and a right rear pipe 57. As shown in FIG. The rubber brake pipe 12-2, the first inlet port (connection hole) 1a and the first and second outlet ports (connection holes) 1b, 1c provided on the upper surface of the unit 1 are connected to the rubber brake pipe 12-2, 26-1 and 28-1 are connected to each other.

  In FIG. 4, the rubber brake pipe 12-1 of the front-wheel operation-side brake pipe assembly 10 at the front end of the vehicle reaches the handlebar (steering handle) 70 from the fifth fixing means 65 through the head pipe 51. The front wheel master cylinder 3 extends rightward along the handlebar 70 and is linked to the brake lever 2 and is driven by the operation of the brake lever 2. Yes.

  As shown in FIGS. 4 and 6, the rubber brake pipes 26-2 and 28-2 of the left and right caliper brake pipe assemblies 20 and 21 at the front end of the vehicle are connected to an under bracket 75 supported by a front fork 72. Are connected to the same rubber brake pipes 26-3 and 28-3 via block fittings (block members) 140 and 141 arranged on the lower surface of the block, both block fittings 140 and 141 will be described later. It is fixed to the lower surface of the under bracket 75 via sixth fixing means 66. The right caliper rubber brake pipe 28-3 shown in FIG. 4 is connected to the front wheel right caliper 5 disposed on the right brake disc 74 of the front wheel 73. On the other hand, the rubber brake pipe 26-3 for the left caliper extends to the left of the front wheel 73 from the sixth fixing means 66, and is disposed on the left brake disc 77 of the front wheel 73 as shown in FIG. It is connected to the left caliper 4 for the front wheel. Further, a rotor 80 for detecting the rotational speed of the front wheel 73 is provided on the front axle of the front wheel 73. The rotational speed is detected by a rotational speed sensor 81 facing the rotor 80 in the axle direction, and the lead An input is made to the control unit of the hydraulic pressure control unit 1 via the line 85.

  In FIG. 7, a rear wheel master cylinder 31 driven by a brake pedal 30 disposed in the vicinity of a passenger's feet is connected to a first rubber brake pipe 36-1 on the rear wheel operation side, and the first The first rubber brake pipe 36-1 extends rearward along the upper surface of the right lower pipe 55 and is fixed to the right lower pipe 55 by the fixing means 150. The first metal brake pipe 36-1 is near the lower end of the right rear pipe 57. The first metal brake pipe 35-1 is connected to the pipe 35-1, and extends upward behind the right-side rise pipe 56, and the second rubber brake pipe near the lower end of the hydraulic pressure control unit 1. 36-2. The second rubber brake pipe 36-2 extends rearward of the hydraulic control unit 1 and is connected to a second metal brake pipe 35-2. The second metal brake pipe 35-2 It extends upward and bends forward, bends further downward above the fluid control unit 1, and is connected to the second inlet port 1 e on the upper surface of the fluid pressure control unit 1.

  An external pressure sensor 90 is connected to the rear wheel third outlet port 1 f formed on the upper surface of the hydraulic pressure control unit 1, and the external pressure sensor 90 is connected to the rear wheel operating side first side. A metal brake pipe 37-1 is connected, and the first metal brake pipe 37-1 is bent downward at the rear of the hydraulic pressure control unit 1, via the first rubber brake pipe 38-1. The hydraulic pressure control unit 1 is connected to the second metal brake pipe 37-2 in the vicinity of the lower end portion. The second metal brake pipe 37-2 is connected to a second rubber brake pipe 38-2 disposed on the lower side of the swing arm 79, and the second rubber brake pipe 38-2 swings. The arm 79 extends rearward along the lower surface of the arm 79 and is fixed to the swing arm 79 by the fixing means 151 and connected to the rear wheel caliper 32 disposed on the brake disk 78 of the rear wheel. Further, the rear wheel axle is provided with a rotor 82 for detecting the rotational speed of the rear wheel, and the rotational speed is detected by a rotational speed sensor 83 facing the rotor 82 in the axial direction. Via the control unit of the hydraulic pressure control unit 1.

(Fixed structure of hydraulic control unit 1)
8 to 10 show details of the fixing structure of the hydraulic control unit 1, FIG. 8 is a right side view showing a state before the hydraulic control unit is mounted, and FIG. 9 is a cross-sectional view taken along the line IX-IX in FIG. FIG. 10 is a right side view of the hydraulic pressure control unit 1 after mounting. In FIG. 8, a substantially vertical mounting plate 41 is fixed to both pipes 56 and 57 by welding on the upper side of the intersection of the right rear pipe 57 and the right rising pipe 56, and the rear surface (left side surface) of the mounting plate 41 ), A pair of nuts 42 are fixed by welding at intervals in the front-rear direction.

  The fixing means of the hydraulic pressure control unit 1 includes the support bracket 43 attached to the mounting plate 41, a pair of front and rear bolts 44 provided at the lower end portion of the right side surface of the hydraulic pressure control unit 1 and protruding rightward. A rod 49 provided on the lower surface of the hydraulic pressure control unit 1 and projecting downward, a nut 44 a screwed into the bolt 44, an annular rubber damper 47 fitted to the bolt 44, and the support bracket 43 And an annular rubber damper 46 and the like to which the rod 49 is press-fitted.

  The support bracket 43 integrally connects the upper bracket member 43-1 and the lower bracket member 43-2 by welding, and the upper bracket member 43-1 includes a bottom wall 43a that is substantially horizontal to a breather, An upper vertical wall 43c that rises from the right end of the bottom wall 43a, and the lower bracket member 43-2 constitutes a lower vertical wall 43b that extends downward from the vicinity of the right end of the bottom wall 43a. The upper vertical wall 43c is formed with a pair of front and rear cutouts 48 in which the pair of annular rubber dampers 47 of the hydraulic pressure control unit 1 are fitted, and the lower vertical wall 43b is provided with the mounting plate 41. Bolt insertion holes 45 are formed at positions corresponding to the pair of nuts 42. The notch 48 is preferably larger in diameter than the bolt 44 and smaller in diameter than the nut 44a.

  In FIG. 9, an annular rubber damper 46 fitted to the support bracket 43 and an annular rubber damper 47 fitted to the bolt 44 of the hydraulic pressure control unit 1 have outer circumferential annular grooves 46a and 47a, respectively. The annular groove 46 a of the annular rubber damper 46 engages with a fitting hole formed in the bottom wall 43 a of the support bracket 43, and the annular groove of the annular rubber damper 47 fitted to the bolt 44 of the hydraulic control unit 1. 47 a is engageable with the notch 48 of the support bracket 43.

  In FIG. 10, the lower vertical wall 43 b of the support bracket 43 is pressed against the right side surface of the upper end portion of the mounting plate 41, and the bolt 50 is inserted through the bolt insertion hole 45 from the right side and screwed into the nut 42. Thus, the bottom wall 43a is fixed to the mounting plate 41 so that the bottom wall 43a has a substantially horizontal posture.

  The rod 49 at the lower end of the hydraulic pressure control unit 1 is press-fitted into the annular rubber damper 46 on the bottom wall 43a of the support bracket 43, and at the same time, the two annular rubber dampers 47 on the right side are respectively engaged with the corresponding notches 48 from above. The hydraulic pressure control unit 1 is fixed to the support bracket 43 in a three-point support state by tightening the nut 44a from the right side.

(Structure of the first fixing means 61)
11 to 13 show details of the first fixing means 61. FIG. 11 is an enlarged perspective view of the first fixing means 61 as viewed from the upper right rear, and FIG. 12 is a diagram of the first fixing means 61. 5 is an enlarged cross-sectional view taken along XII-XII, and FIG. 13 is a cross-sectional view taken along XIII-XIII in FIG. In FIG. 11, the first fixing means 61 includes a pair of front and rear rubber dampers 85 each having a substantially rectangular parallelepiped shape, and a pressing member 86 formed in a substantially rectangular frame shape when viewed from above. Is also used for fixing the main harness 15, and the pressing member 86 is fixed to the main pipe 52 using a thermo bracket 87 for supporting a thermostat (not shown) for engine coolant. . The thermo bracket 87 is fixed to the right side surface of the mounting piece 91 formed to project upward from the right end portion of the upper surface of the main pipe 52 with two front and rear bolts 92 and extends downward on the right side of the main pipe 52. Yes.

  In FIG. 12, each rubber damper 85 is formed with three downward-opening holding recesses 88 a, 88 b, 88 c that hold the metal brake pipes 11, 27, 25, and a pressing member is provided on the upper surface of the rubber damper 85. A linear engagement groove 89 that can be engaged with 86 from above is formed. The holding recesses 88a, 88b, 88c are formed in a circular shape substantially corresponding to the outer shape of each of the metal brake pipes 11, 27, 25, and the lower end opening portion is constricted, and each of the metal brake pipes 11, 27, 25 is formed. Are respectively press-fitted into the holding recesses 88a, 88b, 88c from below and can be held. Further, the engagement groove 89 on the upper surface of the rubber damper 85 is formed so as to extend in a direction substantially perpendicular to the metal brake pipes 11, 27, and 25.

  The holding member 86 is formed, for example, by bending a rod-shaped member made of spring steel, the right end portion is fixed to the upper end portion of the thermo bracket 87 by welding, rises upward in the vicinity of the right end portion, and the rising portion A first pressing portion 86a extending to the left from the upper end of the first pressing portion 86a is formed. The first pressing portion 86a rises further upward at the left end of the first pressing portion 86a. A second pressing portion 86b extending in the direction is formed, the second pressing portion 86b extends to a position corresponding to the substantially left end of the main pipe 52, and is bent downward. The second pressing portion 86b presses the main harness 15 placed on the upper surface of the main pipe 52 from above.

  As shown in FIG. 13, the first pressing portion 86a engages with the engagement groove 89 on the upper surface of the rubber damper 85 from above, and presses the rubber damper 85 against the upper surface of the main pipe 52 with a certain pressure. 12, the three metal brake pipes 11, 27, and 25 are simultaneously fixed to the upper surface of the main pipe 52 via rubber dampers 85.

  As the second fixing means 62 shown in FIGS. 3 to 6, a rubber damper similar to the rubber damper 85 of the first fixing means 61 is placed on the upper surface of the main pipe 52. The metal brake pipes 11, 27, and 25 are held in the same manner as the first fixing means 61.

(Structure of the third fixing means 63)
14 and 15 show details of the third fixing means 63. FIG. 14 is an enlarged sectional view of the XIV-XIV section of FIG. 4, and FIG. 15 is an enlarged perspective view of the XV-XV section of FIG. In FIG. 14, the third fixing means 63 is constituted by a single clamp 69 made of resin or rubber, and the clamp 69 is a large-diameter arc-shaped first holding for holding the main harness 15. The recess 101 and the second, third, and fourth holding recesses 102a, 102b, and 102c having a small-diameter arc shape for holding the metal brake pipes 11, 27, and 25 are integrally provided.

  Each holding recess 101, 102 a, 102 b, 102 c is formed in a circular shape substantially corresponding to the outer shape of the main harness 15 and each metal brake pipe 11, 27, 25, and the opening is constricted. The metal brake pipes 11, 27, 25 can be held in a state where they are press-fitted from the opening portions, and the mutual positional relationship between the holding recesses 101, 102a, 102b, 102c is set as follows. .

  The second to fourth holding recesses 102a, 102b, 102c for the respective metal brake pipes 11, 27, 25 have upper ends of the L shape as indicated by phantom lines, respectively. It arrange | positions so that it may come to the position substantially corresponding to a bending part and a right end part. Specifically, the center P2 of the second holding recess 102a that holds the operation-side metal brake pipe 11 is located at the upper end of the L-shape and holds the metal brake pipe 27 for the right caliper. The center P3 of the third holding recess 102b is located at the bent portion of the L shape, and the center P4 of the fourth holding recess 102c that holds the metal brake pipe 25 for the left caliper is the right end portion of the L shape. And the center P1 of the first holding recess 101 that holds the main harness 15 with respect to the line connecting the center portions P2 and P4 of the L-shape is the center P3 side of the bent portion. The space on the opposite side, that is, the upper right is located.

  The first holding recess 101 for the main harness 15 opens in a constricted shape at the right end, and the second holding recess 102a at the upper end of the L shape opens in a constricted shape at the upper end. The third holding recess 102b of the bent portion opens in a constricted shape at the lower left end, and the fourth holding recess 102c in the right end of the L shape opens in a constricted shape.

  Since the second to fourth holding recesses 102a, 102b, and 102c are opened in different directions as described above, the metal brake pipes 11, 27, and 25 are press-fitted into the holding recesses 102a, 102b, and 102c, respectively. In the state, the second and fourth holding recesses 102a act by closing the opening portions of the holding recesses 102a, 102b, and 102, and press-fitting the main harness 15 into the first holding recess 101. , 102c to close the opening. Thus, by acting so as to close the opening portions with each other, the metal brake pipes 11, 27, 25 are not easily removed even if an external force is applied, and are held in a stable state.

  Further, as described above, the three metal brake pipes 11, 27, and 25 are arranged at both ends of the L shape and the bent portion, respectively, and the main harness 15 is opposite to the bent portion side. The three metal brake pipes 11, 27, 25 and the main harness 15 can be arranged compactly in a narrow place. Therefore, in this embodiment, as shown in FIG. 15, the main harness 15 is placed in a narrow space between the right end portion of the vehicle seat bottom plate 105, the right rear pipe 57 of the main frame F, and the cross member 106. And three metal brake pipes 11, 27, 25 can be arranged. Further, by arranging in this way, the main harness 15 and the three metal brake pipes 11, 27, 25 are hidden by the seat bottom plate 105 and the seat, and the appearance of the vehicle is improved.

(Structure of the fifth fixing means 65)
16 and 17 show the details of the fifth fixing means 65, FIG. 16 is an enlarged right side view showing the fixing means cover 120 removed, and FIG. 17 is a sectional view taken along line XVII-XVII in FIG. . In FIG. 16, the front end portions of the metal brake pipes 11, 27, 25 are connected to the rear surfaces of the block fittings (block members) 111, 112, 113, respectively. The rubber brake pipes 12-1, 28-2, and 26-2 are connected to each other. As will be described below, the three block metal fittings 111, 112, 113 are fixed to a block support bracket 115 having a substantially U-shaped cross section constituting the fifth fixing means 65 by a bolt 116, and the block support bracket 115 is fixed to the main pipe 52 or the like.

  That is, the upper leg piece 115a extending upward from the rear upper end and the lower leg piece 115b extending downward from the front lower end are integrally formed on the block support bracket 115 having a substantially U-shaped cross section. The upper leg piece 115a is fixed to the mounting boss on the right side surface of the main pipe 52 with a bolt 117, and the lower leg piece 115b is a stay member 52a (see FIG. 4) that extends downward from the front end of the main pipe 52. It is fixed to the mounting boss portion on the right side surface with a bolt 118. A bolt 121 for attaching the cover 120 is screwed to the right side surface of the rear end portion of the block support bracket 115.

  In FIG. 17, three block fittings 111, 112, and 113 are arranged in a substantially vertical direction, and the upper block fitting 111 is formed with a screw hole 111a penetrating in a substantially vertical direction. Bolt insertion holes 112a and 113a penetrating substantially vertically in positions corresponding to the screw holes 111a are formed in the block fittings 112 and 113. The dimension D between the inner surfaces of the upper and lower wall members 115c and 115d of the block support bracket 115 is set with a predetermined tolerance with respect to the vertical dimension of the intermediate block fitting 112. The intermediate block fitting 112 is sandwiched between the inner surfaces of the upper and lower wall members 115c, 115d of the block support bracket 115, and the upper block fitting 111 is placed on the upper surface of the upper wall member 115c, The block fitting 113 is in contact with the lower surface of the lower wall member 115d, and the bolt 116 is inserted from below into the bolt insertion hole 113a of the lower block fitting 113, the bolt insertion hole 115f of the lower wall member 115d, By inserting into the bolt insertion hole 112a of the intermediate block fitting 112 and the bolt insertion hole 115e of the upper side wall member 115c and screwing into the female screw hole 111a of the upper block fitting 111, three block fittings 111, 112 and 113 are fixed to the block support bracket 115.

  When the block fitting fixing structure such as the fifth fixing means 65 is adopted, the dimension D between the inner side surfaces of the wall members 115c and 115d at the time of manufacturing the block support bracket 115 is set to an intermediate value as described above. If only the tolerance for the dimensions of the block fitting 112 is set, the block support bracket 115 will not be greatly deformed when tightening with the bolt 116, and the three block fittings 111, 112, 113 are stabilized. Can be fixed in the state. Moreover, the mounting pitch M of the upper and lower bolts 117, 118 in FIG. 16 does not change greatly, the mounting accuracy of the block support bracket 115 to the main frame F can be maintained, and the seating surface angle of each leg piece 115a, 115b. Also less affected. Furthermore, since the mounting boss portion for the bolt 118 formed on the stay member 52a is covered with the cover 120, for example, in a motorcycle not equipped with the hydraulic control unit 1, an unnecessary mounting boss portion may be hidden by the cover 120. And the appearance is improved.

(Sixth fixing means 66)
18 and 21 show the details of the sixth fixing means 66. FIG. 18 is a front view (front view), FIG. 19 is a bottom view before mounting the block fitting, and FIG. FIG. 21 is a bottom view after all the block fittings are attached.

  In FIG. 18, the block support bracket 130 constituting the sixth fixing means 66 is disposed on the lower surface of the under bracket 75 as described above, of the under bracket 75 and the upper bracket 76 that connect the left and right front forks 72, 72. Has been. This block support bracket 130 connects the block caliper 140 for connecting the left caliper rubber brake pipes 26-2 and 26-3 to each other and the right caliper rubber brake pipes 28-2 and 28-3 connected to each other. The block fitting 141 is fixed to the lower surface of the under bracket 75 in a state of being arranged in parallel on the left and right.

  In FIG. 19, the block support bracket 130 includes an upper wall 130a, a right wall 130b that is bent downward from the right end portion of the upper wall 130a and extending forward, and a front wall 130bc that is bent downward from the front end of the upper wall 130a. As shown in FIG. 20, the upper wall 130 a is fixed to the lower surface of the under bracket 75 with bolts 133. The lower end portion of the right wall 130b is formed with a bent portion 130d that is bent to the right, and the lower end portion of the front wall 130c is formed with a bent portion 130e that is bent to the front. Further, as shown in FIG. 19, a semicircular temporary fixing notch 136 is formed on the right end edge of the front wall 130c, and a bolt insertion hole 137 is formed on the right wall 130b.

  The block caliper 141 for the right caliper abuts on the right surface of the right wall 130b and is placed on the bent portion 130d at the lower end of the right wall, and the block caliper 140 for the left caliper is connected to the front surface of the front wall 130c. Abutting on the left surface of the right wall 130d and placed on the bent portion 130e at the lower end of the front wall, and as shown in FIG. 21, the bolt 143 is inserted from the left into the bolt insertion hole of the block caliper 140 for the left caliper. 140a and the right wall 130b are inserted into bolt insertion holes (not shown) and screwed into the female screw holes 141a of the block caliper 141 for the right caliper. It is fixed to the block support bracket 130 in a state of being lined up on the lower surface on the left and right.

  When attaching each of the block fittings 140 and 141, first, as shown in FIG. 20, the block fitting 140 for the left caliper is inclined so that the front end is on the left side, and the dog-shaped metal connection is made. The tube portion 140b is inserted from below between the right wall 130b and the front wall 130c. After the insertion, as shown in FIG. 21, the metal connecting pipe portion 140b is engaged with the notch 136 of the front wall 120c, and the left caliper block fitting 140 is placed on the bent portion 130e at the lower end of the front wall, thereby making the left caliper The block fitting 140 is temporarily fixed at a predetermined position. While maintaining this temporarily fixed state, the right caliper block fitting 141 is brought into contact with the right surface of the right wall 120b and placed on the bent portion 130d at the lower end of the right wall, and both block fittings 140, 141 are secured by bolts 143. Conclude. Therefore, even one worker can easily fix the block fittings 140 and 141.

  As described above, the sixth fixing means 66 fixes the two block fittings 140 and 141 to the lower surface of the under bracket 75 in a state where they are arranged side by side. A wide space that can sufficiently allow the front fender 94 to move up and down can be secured between the under bracket 75 and the under bracket 75. Further, since the block caliper fitting 140 for the left caliper is arranged on the left side and the block fitting 141 for the right caliper is arranged on the right side, the block fittings 140 and 141 can be attached without making a mistake in the left and right. Furthermore, by providing the notch 136 in the front wall 120c, the block caliper fitting 140 for the left caliper can be temporarily fixed, so that the assembly workability is improved.

(Whole assembly work of the hydraulic pressure control unit 1 and each brake pipe assembly 10, 20, 21)
The mounting (fixing) work of the hydraulic pressure control unit 1 and the mounting (fixing) work of the brake pipe assemblies 10, 20, and 21 by the fixing means 61 to 66 have already been described in detail and will be omitted. Only the overall assembly work will be described.

(1) In FIG. 3, the hydraulic pressure control unit 1 includes, in advance, a rubber brake pipe 12-2, a metal brake pipe 11, and a rubber brake pipe 12-1 of the front wheel operation side brake pipe assembly 10. The rubber brake pipe 26-1, the metal brake pipe 25 and the rubber brake pipes 26-2 and 26-3 of the left caliper brake pipe assembly 20 on the front wheel operation side, and the right on the front wheel operation side The rubber brake pipe 28-1, the metal brake pipe 27, the rubber brake pipes 28-2 and 28-3 of the caliper brake pipe assembly 21, and the first metal brake pipe 37- on the operating side for the rear wheel. The first and first rubber brake pipes 38-1 are connected to the second metal brake pipe 35-2 and the second rubber brake pipe 36-2 on the rear wheel operation side. At this time, the rubber damper 85 of the first fixing means 61 and the rubber damper of the second fixing means 62 may be fitted to the metal brake pipes 11, 27, 25 in advance.
Has been.

(2) The worker who performs the assembly work is located on the right side of the vehicle (main frame F). First, the hydraulic pressure control unit 1 is inserted and supported in the main frame F from the right as shown in FIG. Mounted on the bracket 43, the rod 49 at the lower end is press-fitted into the annular rubber damper 46, the right annular rubber damper 47 is fitted into the notch 48, and the nut 44a is tightened from the right to control the hydraulic pressure, which is a heavy object. The unit 1 is fixed to the support bracket 43.

(3) Next, as shown in FIG. 5, the metal brake pipes 11, 27, 25 are bundled by the first fixing means 61 and the second fixing means 62 and are attached to the upper surface of the main pipe 52. And fixed to the right rear frame 57 and the like by the third fixing means 63 and the fourth fixing means 64, and further, by the fifth fixing means 65, as shown in FIG. , 25 and the block fittings 111, 112, 113 for connecting the rubber brake pipes 12-1, 28-2, 26-2 to the right side surface of the main pipe 52 and the like.

(4) Then, as shown in FIGS. 18 to 21, the left caliper block fitting 140 and the right caliper block fitting 141 are attached to the lower surface of the under bracket 75 by the sixth fixing means 66. Fix it.

(5) After the hydraulic pressure control unit 1 and the front wheel brake pipe assemblies 10, 20, and 21 are attached to the main frame F as described above, the operation for the rear wheels already attached to the hydraulic pressure control unit 1 is performed. Side first metal brake pipe 37-1 and first rubber brake pipe 38-1, and rear wheel operation side second metal brake pipe 35-2 and second rubber brake pipe 36. -2 are connected to the brake pipe assemblies 33 and 34 for the remaining rear wheels and fixed to the main frame F and the swing arm 79 by a plurality of fixing means 150 and 151 and the like.

(6) Finally, the front ends of the brake pipe assemblies 10, 20, and 21 are connected to the master cylinders 3, 31 and the calipers 4, 5, 32, and the like.

(7) It should be noted that in the above-described brake pipe mounting operation, the hydraulic pressure control unit 1 can be maintained in the mounted state without being temporarily fixed in the state where it is mounted on the bracket 43, so that the fixing operation is facilitated.

(Effects of this embodiment)
(1) As described above, according to the present embodiment, the hydraulic pressure control unit 1 and the three brake pipe assemblies 10, 20, and 21 for the front wheels are connected in advance to each other from the right side of the vehicle. It can be attached and fixed to the main frame F at the same time, and the assembly workability of the brake device is improved.
(2) As an operation side brake piping assembly, a metal that constitutes the left caliper brake piping assembly 20 includes a left caliper brake piping assembly 20 and a right caliper brake piping assembly 21 as shown in FIG. 14 and 15, the brake pipe 25 made of metal, the metal brake pipe 27 constituting the brake caliper assembly 21 for the right caliper, and the metal brake pipe 11 constituting the operation side brake pipe assembly 10. Thus, when viewed in the length direction of the brake pipe, the metal brake pipes 25 and 27 are made of the three metal brake pipes 25 and 27 in a narrow space. 11 can be arranged compactly.

(3) Since the main harness 15 is disposed in the space opposite to the bent portion side with respect to the three metal brake pipes 25 and 2711, the main harness 15 can be disposed compactly.

(4) As shown in FIG. 14, the three metal brake pipes 25, 27, 11 and the main harness 15 are used as fixing means for fixing the brake pipe assembly (third fixing means 63). Since it is supported by one clamp 69, the number of attachment parts can be reduced.

(5) The operating side brake piping assembly includes a left caliper brake piping assembly 20 and a right caliper brake piping assembly 21 as shown in FIG. As the fixing means 61), as shown in FIGS. 11 to 13, the metal brake pipe 25 constituting the left caliper brake pipe assembly 20 and the metal brake constituting the right caliper brake pipe assembly 21 are used. The pipe 27 and the metal brake pipe 11 constituting the operation side brake pipe assembly 10 are placed on the upper surface of the main pipe 52 constituting the main frame F, and the metal made pipe via the rubber damper 85 from above. Since the pressing member 86 that presses the brake pipes 25, 27, and 11 against the upper surface of the main pipe 52 is provided, the pressing force of the pressing member 86 is received. There is no need to particularly provide a support member for, it is possible to reduce the mounting parts.

(6) In FIG. 7, the hydraulic pressure control unit 1 is disposed in the space above the pivot shaft 79 a of the swing arm 79 below the connecting portion 58 and the rear seat support body 59, thereby controlling the hydraulic pressure. The unit 1 can be easily attached. Further, as shown in FIG. 5, the pump unit 200 of the hydraulic pressure control unit 1 also extends from the main frame F by the pump axis extending in the vehicle width direction and protruding rightward from the main body portion of the hydraulic pressure control unit 1. It protrudes to the right. This prevents the pump unit 200 from being caught on the main frame F of the vehicle body and various pipes when the hydraulic pressure control unit 1 is attached and detached, and the hydraulic pressure control unit 1 can be easily attached and removed.

(7) As shown in FIG. 5, on the upper surface of the hydraulic pressure control unit 1, connection holes for connecting each brake pipe, that is, ports 1a, 1b,. Connection to the hydraulic pressure control unit 1 such as a brake pipe is easy. In particular, the ports 1a, 1b,..., 1f are arranged on the outer side in the vehicle width direction, specifically on the right half, of the upper surface of the hydraulic pressure control unit 1. That is, since the ports 1a, 1b,..., 1f are formed in the right half portion protruding rightward from the connecting portion 58 when viewed from above, it is easy to connect the brake pipes.

(8) The mounting structure of the operating-side brake piping assemblies 20 and 21 for the front wheels shown in FIG. 3 can be divided into the following three parts due to the difference in arrangement location. That is, a part on the hydraulic pressure control unit 1 side, which is a first part arranged on the right side of the main frame F, and a part on the caliper side for the front wheels, mainly on the right side of the main frame F. The second portion is a middle portion between the first portion and the second portion, and is a third portion disposed on the upper surface of the main pipe 52 of the main frame F.

  The member constituting the third portion is a member that can prevent a change in the pipe diameter due to the brake fluid pressure and has a rigidity that does not bend due to its own weight. Specifically, the third portion As described above, is composed of the middle part of the metal brake pipes 25, 27 in the front-rear direction. In the first part on the hydraulic pressure control unit side, in addition to the rear end parts of the metal brake pipes 25 and 27, a member having elasticity and flexibility is used at least in the middle part in the pipe longitudinal direction. Specifically, rubber brake pipes 26-1 and 28-1 are used. The caliper-side third portion also uses a member having elasticity and flexibility at least in the middle portion in the longitudinal direction of the pipe in addition to the front end portions of the metal brake pipes 25 and 27. For example, rubber brake pipes 26-2 and 28-2 are used. Therefore, by having the rubber brake pipes 26-1, 28-1, 26-2, 28-2, etc., dimensional errors and mounting errors at the time of mounting the brake pipe assemblies 20, 21 are absorbed. Can be installed easily.

(9) In FIG. 8, when the hydraulic control unit 1 is fixed to the bracket 43, the hydraulic control unit 1 is mounted on the bottom wall 43a without fixing the hydraulic control unit 1 to the bottom wall 43a of the bracket 43. The hydraulic pressure control unit 1 can be stably supported by the bracket 43 only by press-fitting the rod 49 into the annular rubber damper 46. As a result, the hydraulic pressure control unit 1 can be easily fixed to the bracket 43.

(10) As shown in FIG. 7 and the like, a space (recessed) in which the hydraulic pressure control unit 1 can be mounted and removed from one side (right side) in the vehicle width direction with the bracket 43 fixed to the main frame F. ) Is formed. Specifically, an inverted trapezoidal space (recess) that is surrounded by the upper surface of the bracket 43, the connecting portion 58, the rising pipe 56, and the rear pipe 57 and that opens to the right is formed. Since the hydraulic pressure control unit 1 can be inserted into this space from the right side, the assembly work of the hydraulic pressure control unit 1 is facilitated, and each brake pipe is provided on the upper surface of the hydraulic pressure control unit 1. A wide work space for connection can be secured, and connection work becomes easy.

[Other embodiments]
(1) FIG. 22 shows another embodiment of the present invention, in which the metal brake pipe 11 of the front wheel operation side brake pipe assembly 10 and the left and right caliper brake pipe assemblies on the front wheel operation side The metal brake pipes 25 and 27 are arranged on the right side surface of the main pipe 52 having a square cross section and are fixed to the right side surface of the main pipe 52 by the first fixing means 161 at the front part. The bound state is maintained on the right side surface of the frame by the rear second fixing means 162. Other structures are the same as those of the embodiment shown in FIGS. 1 to 21, and the same components are denoted by the same reference numerals.

(2) The present invention can be applied to a brake device for a motorcycle including a hydraulic control unit incorporating only ABS or a hydraulic control unit incorporating only a front-rear interlocking brake system. The present invention can also be applied to a hydraulic control unit incorporating a system other than the ABS and the front / rear interlocking brake system.

(3) The present invention is also applicable to a brake device including one brake disk and one caliper for the front wheel. That is, the present invention is also applicable to a brake device for a motorcycle that includes only one set of the front-wheel operation side brake piping assembly.

(4) In the present invention, the hydraulic control unit and the three brake pipe assemblies for the front wheels can be configured to be attached to the main frame from the left side of the vehicle.

(5) In each of the brake pipe assemblies 10, 20, and 21 for the front wheels, a hard resin brake pipe can be used instead of the metal brake pipes 11, 25, 27, and the like. When using a resin brake pipe, it is preferable that the pipe does not bend due to its own weight and has a rigidity that does not cause the pipe diameter to expand depending on the brake fluid pressure.

(6) In the embodiment, one of the vehicle width directions is set as the right side of the main frame, but one of the vehicle width directions may be set on the left side of the main frame. When a brake pedal or a rear wheel caliper is arranged on one side of the main frame in the vehicle width direction, a hydraulic pressure control unit is arranged on one side of the main frame in the vehicle width direction. Compared with the case where it arrange | positions at the other side, piping length can be shortened.

(7) The block fittings 111, 112, 113 are made of metal, but may be formed of hard resin or the like.

(8) The present invention can be variously modified and changed without departing from the spirit and scope of the present invention described in the claims.

1 is a schematic piping diagram of a brake piping structure for a front wheel of a motorcycle according to the present invention. 1 is a schematic piping diagram of a brake piping structure for a rear wheel of a motorcycle according to the present invention. FIG. 3 is a perspective view of a main frame of a motorcycle having the brake piping structure of FIGS. 1 and 2. It is a right view of the brake piping structure for front wheels of FIG. FIG. 5 is a plan view of FIG. 4. It is a left view of the front wheel part of FIG. It is a right view of the brake piping structure for rear wheels of FIG. It is a right view which shows the state before attachment of a hydraulic control unit. It is IX-IX sectional drawing of FIG. It is a right view of the hydraulic control unit after attachment. It is the expansion perspective view which looked at the 1st fixing means from the upper right back. FIG. 6 is an enlarged sectional view taken along the line XII-XII in FIG. 5. It is XIII-XIII sectional drawing of FIG. It is the XIV-XIV cross-sectional enlarged view of FIG. FIG. 5 is an enlarged perspective view of the XV-XV cross section of FIG. 4. It is a right side enlarged view of the 5th fixing means shown by removing a cover. It is XVII-XVII sectional drawing of FIG. It is a front view of the front-end part of the main frame provided with the 6th fixing means. It is a bottom view of the 6th fixing means before block mouth fitting attachment. It is a bottom view of the 6th fixing means during block mouthpiece attachment work. It is a bottom view of the 6th fixing means after completion of all block mouthpiece attachment. Fig. 4 is a perspective view of a main frame similar to Fig. 3 showing another embodiment of a brake pipe structure for a front wheel of a motorcycle according to the present invention.

Explanation of symbols

1 Hydraulic control unit 2 Brake lever (an example of a brake operation unit)
3 Front wheel master cylinder 4 Front wheel left caliper 5 Front wheel right caliper 10 Front wheel operation side brake piping assembly 11 Metal brake pipe 12 Rubber brake pipe 20 Front wheel working side left caliper Brake piping assembly 21 Brake piping assembly for right caliper on the working side for front wheel 25 Metal brake pipe (for front wheel)
26 Rubber brake pipe (for front wheels)
27 Metal brake pipe (for front wheels)
28 Rubber brake pipe (for front wheels)
30 Brake pedal (an example of a brake operation unit)
31 Rear Wheel Master Cylinder 32 Rear Wheel Caliper 33 Rear Wheel Operation Side Brake Piping Assembly 34 Rear Wheel Working Side Brake Piping Assembly 43 Support Bracket for Hydraulic Control Unit 44, 45 Bolt, Nut (fastening) Element)
61 First fixing means 62 Second fixing means 63 Third fixing means 64 Fourth fixing means 65 Fifth fixing means 66 Sixth fixing means 69 Clamp of third fixing means 85 First fixing means Rubber damper 86 First holding member pressing member 111, 112, 113 Block fitting (block member)
115 Block support bracket having a substantially U-shaped cross section of the fifth fixing means 130 Block support bracket of the sixth fixing means F Main frame (an example of a body frame)

Claims (8)

  The brake hydraulic pressure control unit disposed between the front and rear wheels includes an operation side brake pipe assembly extending from the hydraulic pressure control unit to a master cylinder of a brake operation unit on a steering handle, and a front side from the hydraulic pressure control unit. And connecting the hydraulic control unit and the two brake piping assemblies connected to each other to the caliper that brakes the brake disc of the wheel. A brake pipe structure for a motorcycle, which is mounted on a frame and fixed to the frame of the vehicle body by a fixing means for fixing a hydraulic pressure control unit and a fixing means for fixing a brake pipe assembly. In the motorcycle brake piping structure according to claim 1,
As the fixing means for fixing the hydraulic pressure control unit, a support bracket on which the hydraulic pressure control unit can be placed from one side in the vehicle width direction is provided on the frame of the vehicle body and can be operated from one side in the vehicle width direction. A brake piping structure for a motorcycle in which the hydraulic pressure control unit is fixed to the support bracket by a fastening member. In the motorcycle brake piping structure according to claim 1,
The fixing means for fixing the brake pipe assembly by placing a brake pipe constituting the operating side brake pipe assembly and a brake pipe constituting the operation side brake pipe assembly on an upper surface of the frame of the vehicle body. As described above, a brake piping structure for a motorcycle provided with a pressing member that presses the brake pipe against the upper surface of the frame of the vehicle body from above. In the motorcycle brake piping structure according to claim 1,
The actuating side brake piping assembly includes a left caliper brake piping assembly and a right caliper brake piping assembly,
As the fixing means for fixing the brake pipe assembly, a block support bracket having a substantially U-shaped cross section for fixing a block member for connecting the brake pipes constituting the operating side brake pipe assembly to the frame of the vehicle body. Prepared,
Any one of the block member in the left caliper brake piping assembly, the block member in the right caliper brake piping assembly, and the block member in the operation side brake piping assembly is opposed to the block support bracket. A brake piping structure for a motorcycle, which is sandwiched between the inner side surfaces of the wall member to be fixed, and the other two are fixed to the outer side surfaces of the respective wall members. A frame of the vehicle body in which a recess opened to one side in the vehicle width direction is formed;
A caliper for the front wheel that brakes the brake disc of the front wheel;
A hydraulic pressure control unit that generates hydraulic pressure as an operating force of the caliper for the front wheel, and at least a part of which is accommodated in the recess to adjust the hydraulic pressure in the brake pipe;
The hydraulic pressure control unit is connected to the front wheel caliper through an arrangement region including one side and an upper side in the vehicle width direction from the vehicle body frame, and is generated by the hydraulic pressure control unit. And a working-side brake piping assembly that transmits a working hydraulic pressure to the caliper for the front wheel. The motorcycle according to claim 5, wherein
An operation side that passes through the arrangement region, connects the hydraulic pressure control unit to a master cylinder of a brake operation unit on a steering handle, and transmits hydraulic fluid pressure generated in the master cylinder to the hydraulic pressure control unit. Further including a brake piping assembly;
The operating side brake piping assembly and the operating side brake piping assembly are adjacent to each other and extend along the frame of the vehicle body. The motorcycle according to claim 5, wherein
In a state where the hydraulic pressure control unit is fixed to the vehicle body, a connection hole formed in the hydraulic pressure control unit and connected to a brake pipe is disposed on one side in the vehicle width direction relative to the frame of the vehicle body. Motorcycle. The motorcycle according to claim 5, wherein
The working side brake piping assembly includes a first part on the hydraulic pressure control unit side, a second part on the caliper side for the front wheel, and a third part between the first part and the second part. And
The first part and the second part are arranged on one side in the vehicle width direction of the frame of the vehicle body,
The third portion is a motorcycle arranged in the vehicle width direction above the frame of the vehicle body.

Images