JP4945604B2 - Motorcycle braking device - Google Patents

Motorcycle braking device Download PDF

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Publication number
JP4945604B2
JP4945604B2 JP2009163399A JP2009163399A JP4945604B2 JP 4945604 B2 JP4945604 B2 JP 4945604B2 JP 2009163399 A JP2009163399 A JP 2009163399A JP 2009163399 A JP2009163399 A JP 2009163399A JP 4945604 B2 JP4945604 B2 JP 4945604B2
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Prior art keywords
swing arm
brake caliper
brake
rear wheel
motorcycle
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JP2009280205A (en
Inventor
爾 飯塚
喜信 本田
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Honda Motor Co Ltd
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Honda Motor Co Ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
    • B60T13/58—Combined or convertible systems
    • B60T13/588—Combined or convertible systems both fluid and mechanical assistance or drive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62L—BRAKES SPECIALLY ADAPTED FOR CYCLES
    • B62L3/00—Brake-actuating mechanisms; Arrangements thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
    • F16D55/02—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members
    • F16D55/04—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by moving discs or pads away from one another against radial walls of drums or cylinders
    • F16D55/14—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by moving discs or pads away from one another against radial walls of drums or cylinders with self-tightening action, e.g. by means of coacting helical surfaces or balls and inclined surfaces
    • F16D55/16—Mechanically-actuated brakes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
    • F16D55/02—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members
    • F16D55/04—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by moving discs or pads away from one another against radial walls of drums or cylinders
    • F16D55/14—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by moving discs or pads away from one another against radial walls of drums or cylinders with self-tightening action, e.g. by means of coacting helical surfaces or balls and inclined surfaces
    • F16D55/18—Brakes actuated by a fluid-pressure device arranged in or on the brake
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
    • F16D65/16—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake
    • F16D65/18—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for drawing members together, e.g. for disc brakes
    • F16D65/183—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for drawing members together, e.g. for disc brakes with force-transmitting members arranged side by side acting on a spot type force-applying member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
    • F16D2055/0075—Constructional features of axially engaged brakes
    • F16D2055/0091—Plural actuators arranged side by side on the same side of the rotor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2121/00—Type of actuator operation force
    • F16D2121/02—Fluid pressure
    • F16D2121/04—Fluid pressure acting on a piston-type actuator, e.g. for liquid pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2121/00—Type of actuator operation force
    • F16D2121/14—Mechanical

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Braking Arrangements (AREA)
  • Motorcycle And Bicycle Frame (AREA)

Description

本発明は、緩衝器が連結されたスイングアームにブレーキ用キャリパを備えた自動二輪車の制動装置に関する。   The present invention relates to a braking device for a motorcycle having a brake caliper on a swing arm to which a shock absorber is connected.

自動二輪車の制動装置は知られている（例えば特許文献１参照。）。   A braking device for a motorcycle is known (see, for example, Patent Document 1).

特許文献１は「自動二輪車」に係り、この技術ではアーム部材（スイングアーム）にリヤブレーキ用のブレーキキャリパを取付けた自動二輪車の制動装置が提案されている。
この自動二輪車の制動装置は、スイングアームの緩衝器との連結部前方で、且つ後輪車軸支持部の上方に設けられた支持ブラケットにリヤブレーキ用キャリパを取り付け、このリヤブレーキ用キャリパで後輪のブレーキディスクに制動力をかけるものである。 Patent Document 1 relates to a “motorcycle”. In this technique, a braking device for a motorcycle in which a brake caliper for a rear brake is attached to an arm member (swing arm) is proposed.
In this motorcycle braking device, a rear brake caliper is attached to a support bracket provided in front of a connecting portion with a shock absorber of a swing arm and above a rear wheel axle support portion, and the rear brake caliper is used as a rear wheel caliper. The braking force is applied to the brake disc.

特許第２７８２４６６号公報Japanese Patent No. 2784466

本発明は、スイングアームに対するブレーキキャリパの配置の設計の自由度を高めるようにした自動二輪車の制動装置を提供することを課題とする。   An object of the present invention is to provide a braking device for a motorcycle that increases the degree of freedom in designing the arrangement of a brake caliper with respect to a swing arm.

上記課題を解決するために、請求項１は、車体に取り付けたスイングアーム３５の後輪車軸支持部３８で後輪４５の後輪車軸４６を支え、後輪４５のブレーキディスク４８に制動力をかけるリヤブレーキ用キャリパ７２を備え、スイングアーム３５に後輪車軸支持部３８より上向きの勾配で後方に延ばしたスイングアーム延出部３６を設けた自動二輪車であって、側面視でスイングアーム延出部３６の下辺３９ｂには前方に窪んだ凹部が形成され、この凹部にリヤブレーキ用キャリパ７２が配設され、ブレーキディスク４８は、スイングアーム３５の内側である車体中心側に配置され、リヤブレーキ用キャリパ７２は、スイングアーム延出部３６の内側面に取り付けられ、スイングアーム３５の側方にマフラー５４を備え、リヤブレーキ用キャリパ７２は車両側面視でマフラー５４の下側に露出すように配設したことを特徴とする。 In order to solve the above-mentioned problem, claim 1 supports the rear wheel axle 46 of the rear wheel 45 by the rear wheel axle support portion 38 of the swing arm 35 attached to the vehicle body, and applies a braking force to the brake disk 48 of the rear wheel 45. A motorcycle including a rear brake caliper 72 and a swing arm 35 provided with a swing arm extending portion 36 extending rearward with a slope upward from the rear wheel axle support portion 38. The swing arm extends in a side view. A concave portion recessed forward is formed in the lower side 39b of the portion 36, a rear brake caliper 72 is disposed in the concave portion, and the brake disk 48 is disposed on the vehicle body center side inside the swing arm 35, and the rear brake The caliper 72 is attached to the inner surface of the swing arm extension 36, and includes a muffler 54 on the side of the swing arm 35, and a rear brake key. Lipa 72 is characterized in that arranged so as to expose the lower side of the muffler 54 in the vehicle side view.

請求項２は、請求項１において、ブレーキ用キャリパ７２は、側面視で後輪車軸支持部３８の後部かつ上下方向に重なる位置に取り付けられていることを特徴とする。 A second aspect of the present invention is characterized in that the brake caliper 72 is attached at a position overlapping the rear portion and the vertical direction of the rear wheel axle support portion 38 in a side view.

請求項３は、請求項１において、後輪４５のブレーキディスク４８をロック状態に保つパーキング用ブレーキ手段６２をスイングアーム３５に備えることを特徴とする。 According to a third aspect of the present invention, the swing arm 35 is provided with parking brake means 62 for keeping the brake disk 48 of the rear wheel 45 in a locked state.

請求項４は、請求項３において、スイングアーム３０の延出部３６の上辺３９ａ部に下方に窪んだ凹部を設け、この凹部に前記パーキングブレーキ手段６２を設けたことを特徴とする。 According to a fourth aspect of the present invention, in the third aspect of the present invention, a concave portion that is depressed downward is provided in the upper side 39a of the extending portion 36 of the swing arm 30, and the parking brake means 62 is provided in the concave portion.

本発明に係る自動二輪車の平面図である。1 is a plan view of a motorcycle according to the present invention. 本発明に係る自動二輪車の側面図である。1 is a side view of a motorcycle according to the present invention. 本発明に係る自動二輪車の制動装置の要部拡大図である。1 is an enlarged view of a main part of a braking device for a motorcycle according to the present invention. 図３の４−４線断面図である。FIG. 4 is a cross-sectional view taken along line 4-4 of FIG. 本発明に係る自動二輪車の制動装置のレイアウト図である。1 is a layout diagram of a braking device for a motorcycle according to the present invention. FIG.

本発明の実施の形態を添付図に基づいて以下に説明する。なお、図面は符号の向きに見るものとする。   Embodiments of the present invention will be described below with reference to the accompanying drawings. The drawings are viewed in the direction of the reference numerals.

本発明の実施例を添付図に基づいて以下に説明する。ここで、「前」、「後」、「左」、「右」は運転者から見た方向に従う。なお、図面は符号の向きに見るものとする。
図１は本発明に係る自動二輪車の平面図である。
自動二輪車１０は、ハンドル１１の右グリップ１２近傍にフロントブレーキレバー１３を備え、ハンドル１１の左グリップ１６近傍にリヤブレーキレバー１７を備え、車体フレームのヘッドパイプにパーキングレバー２０を取り付けることで、パーキングレバー２０を車体の右側に配置したものである。 Embodiments of the present invention will be described below with reference to the accompanying drawings. Here, “front”, “rear”, “left”, and “right” follow the direction seen from the driver. The drawings are viewed in the direction of the reference numerals.
FIG. 1 is a plan view of a motorcycle according to the present invention.
The motorcycle 10 includes a front brake lever 13 in the vicinity of the right grip 12 of the handle 11, a rear brake lever 17 in the vicinity of the left grip 16 of the handle 11, and a parking lever 20 attached to the head pipe of the vehicle body frame. The lever 20 is arranged on the right side of the vehicle body.

フロントブレーキレバー１３を握ることにより、マスタシリンダ１４で油圧を発生させ、この油圧でフロントブレーキ用キャリパのブレーキパッドをフロントブレーキディスクに押し付けて前輪２５に制動力をかける。
また、リヤブレーキレバー１７を握ることにより、マスタシリンダ１８で油圧を発生させ、この油圧で第２ブレーキキャリパ（リヤブレーキ用キャリパ）のブレーキパッドをリヤブレーキディスクに押し付けて後輪に制動力をかける。
さらに、パーキングレバー２０を上方に引上げることにより、ケーブル２２を引張り、第１ブレーキキャリパ（パーキングブレーキ用キャリパ）のブレーキパッドをリヤブレーキディスクに押し付けて後輪をロック状態に保つ。 By gripping the front brake lever 13, hydraulic pressure is generated in the master cylinder 14, and the brake pad of the front brake caliper is pressed against the front brake disc with this hydraulic pressure to apply a braking force to the front wheels 25.
Further, by gripping the rear brake lever 17, hydraulic pressure is generated by the master cylinder 18, and the brake pad of the second brake caliper (rear brake caliper) is pressed against the rear brake disc by this hydraulic pressure to apply braking force to the rear wheels. .
Further, the parking lever 20 is pulled upward to pull the cable 22 and press the brake pad of the first brake caliper (parking brake caliper) against the rear brake disc to keep the rear wheel locked.

図２は本発明に係る自動二輪車の側面図である。
自動二輪車１０は、ハンドル１１及び前輪２５をフロントフォーク３２の上下端部にそれぞれ取り付け、前輪２５にフロントブレーキディスク２６を取り付け、フロントフォーク３２の下端部にフロントブレーキ用キャリパ２７を取り付けたものである。 FIG. 2 is a side view of the motorcycle according to the present invention.
In the motorcycle 10, the handle 11 and the front wheel 25 are respectively attached to the upper and lower ends of the front fork 32, the front brake disc 26 is attached to the front wheel 25, and the front brake caliper 27 is attached to the lower end of the front fork 32. .

さらに、この自動二輪車１０は、フロントフォーク３２を車体フレーム３０のヘッドパイプ３１に取り付け、車体フレーム３０の中央にエンジン３３を取り付け、エンジン３３に出力軸３３ａを介して前スイングアーム３４を上下スイング自在に取り付け、前スイングアーム３４にスイングアーム３５をボルト３４ａ，３４ａで取り付け、スイングアーム３５の後輪車軸支持部３８で後輪車軸４６を介して後輪４５を支え、スイングアーム３５に後輪車軸支持部３８より後方へ延ばしたスイングアーム延出部３６を設け、車体フレーム３０の後部に緩衝器４３を介してスイングアーム延出部３６の後端（後端連結部）３７を懸架し、スイングアーム延出部３６に自動二輪車の制動装置６０を取り付けたスクータ型自動二輪車である。
５１はフロントカバー、５２はリヤカバー、５３はシート、５４はマフラー、５５はフロアステップである。 Further, in the motorcycle 10, the front fork 32 is attached to the head pipe 31 of the body frame 30, the engine 33 is attached to the center of the body frame 30, and the front swing arm 34 can swing up and down via the output shaft 33a. The swing arm 35 is attached to the front swing arm 34 with bolts 34a, 34a, the rear wheel axle support portion 38 of the swing arm 35 supports the rear wheel 45 via the rear wheel axle 46, and the swing arm 35 supports the rear wheel axle. A swing arm extending portion 36 extending rearward from the support portion 38 is provided, and a rear end (rear end connecting portion) 37 of the swing arm extending portion 36 is suspended from the rear portion of the vehicle body frame 30 via a shock absorber 43 to swing. This is a scooter type motorcycle in which a braking device 60 for a motorcycle is attached to an arm extending portion 36.
51 is a front cover, 52 is a rear cover, 53 is a seat, 54 is a muffler, and 55 is a floor step.

図３は本発明に係る自動二輪車の制動装置の要部拡大図である。
自動二輪車の制動装置６０は、後輪４５を後輪車軸４６を介して後輪車軸支持部３８に回転自在に取り付け、スイングアーム延出部３６を後輪車軸支持部３８より後方に向けて上向きの勾配で且つ先細状に延ばし、延ばしたスイングアーム延出部３６に後端連結部３７を備え、この後端連結部３７に緩衝器４３の一端（下端）４３ａをボルト４４を介して連結し、スイングアーム延出部３６の上にパーキングブレーキ用キャリパ６２を配置し、スイングアーム延出部３６の下にリヤブレーキ用キャリパ７２を配置した状態を示す。 FIG. 3 is an enlarged view of a main part of the braking device for a motorcycle according to the present invention.
The motorcycle braking device 60 has a rear wheel 45 rotatably attached to a rear wheel axle support portion 38 via a rear wheel axle 46, and a swing arm extending portion 36 is directed rearward from the rear wheel axle support portion 38. The swing arm extending portion 36 is provided with a rear end connecting portion 37, and one end (lower end) 43 a of the shock absorber 43 is connected to the rear end connecting portion 37 via a bolt 44. The state where the parking brake caliper 62 is disposed on the swing arm extending portion 36 and the rear brake caliper 72 is disposed below the swing arm extending portion 36 is shown.

スイングアーム延出部３６は、後輪車軸４６を支える後輪車軸支持部３８から後端連結部３７に向けて上勾配で先細状に延ばすことにより、上辺３９ａを後方に向けて緩やかな上勾配とするとともに下辺３９ｂを後方に向けて急な上勾配に形成したものである。後端連結部３７は、図３で明らかなように、後輪支持部３８から上方にオフセットされて設けられている。
これにより、スイングアーム延出部３６の上辺３９ａにリヤブレーキディスク４８の上部外周４８ａに臨む空間４９ａを形成することができ、かつ下辺３９ｂにリヤブレーキディスク４８の後部外周４８ｂに臨む空間４９ｂを形成することができる。スイングアーム延出部３６の下辺３９ｂに形成された空間４９ｂは、図３で理解し得るように、スイングアーム延出部３６の後部に、車両側面視で前方に窪んだ凹部として形成される。 The swing arm extending portion 36 extends from the rear wheel axle support portion 38 that supports the rear wheel axle 46 in a tapered manner toward the rear end connecting portion 37, so that the upper side 39 a is gently inclined upward. In addition, the lower side 39b is formed in a steep upward slope toward the rear. As is apparent from FIG. 3, the rear end connecting portion 37 is provided by being offset upward from the rear wheel support portion 38.
As a result, a space 49a that faces the upper outer periphery 48a of the rear brake disc 48 can be formed on the upper side 39a of the swing arm extension 36, and a space 49b that faces the rear outer periphery 48b of the rear brake disc 48 can be formed on the lower side 39b. can do. The space 49b formed in the lower side 39b of the swing arm extension portion 36 is formed as a concave portion recessed forward in the vehicle side view, as can be understood from FIG.

このため、上辺３９ａに前後の取付部４１ａ，４１ｂを所定間隔を開けて突出させ、これら取付部４１ａ，４１ｂにパーキングブレーキ用キャリパ６２をボルト４２ａ，４２ａで取り付けることにより、パーキングブレーキ用キャリパ６２をリヤブレーキディスク４８の上部外周４８ａに対応させて配置している。   For this reason, the front and rear attachment portions 41a and 41b are protruded from the upper side 39a with a predetermined interval, and the parking brake caliper 62 is attached to the attachment portions 41a and 41b with the bolts 42a and 42a. The rear brake disc 48 is disposed so as to correspond to the upper outer periphery 48a.

また、下辺３９ｂにリヤブレーキ用キャリパ７２を一対のボルト４２ｂ，４２ｂで取り付けることにより、リヤブレーキ用キャリパ７２をリヤブレーキディスク４８の後部外周４８ｂに対応させて配置した。これにより、スイングアーム延出部３６の下辺３９ｂにより形成された前方に窪んだ凹部にリヤブレーキ用キャリパ７２が配設されることとなる。   Further, the rear brake caliper 72 is disposed in correspondence with the rear outer periphery 48b of the rear brake disc 48 by attaching the rear brake caliper 72 to the lower side 39b with a pair of bolts 42b and 42b. As a result, the rear brake caliper 72 is disposed in the concave portion formed by the lower side 39b of the swing arm extending portion 36 and recessed forward.

このように、スイングアーム延出部３６を車体後方に向けて上勾配で延ばすことで、スイングアーム延出部３６を後輪車軸支持部３８より上方に配置することができる。よって、リヤブレーキ用キャリパ７２をリヤブレーキディスク４８の後部外周４８ｂまで上に持上げた状態に配置することができる。このため、自動二輪車１０のバンク角を大きくすることができる。   As described above, the swing arm extending portion 36 is extended upwardly toward the rear of the vehicle body, so that the swing arm extending portion 36 can be disposed above the rear wheel axle support portion 38. Therefore, the rear brake caliper 72 can be disposed in a state where it is lifted up to the rear outer periphery 48b of the rear brake disc 48. For this reason, the bank angle of the motorcycle 10 can be increased.

リヤブレーキ用キャリパ７２は、リヤブレーキレバー１７（図１に示す）を操作することにより、配管７３（図２も参照）を介して油圧を伝え、この油圧でリヤブレーキディスク４８に制動力をかける。配管７３は、図３に示したようにリヤブレーキ用キャリパ７２から上方に延び、図２に示すようにスイングアーム３５に沿って前方に延ばされ、前記したハンドル１１の左グリップ１６近傍にリヤブレーキレバー１７に接続されている。   The rear brake caliper 72 transmits the hydraulic pressure via the pipe 73 (see also FIG. 2) by operating the rear brake lever 17 (shown in FIG. 1), and applies a braking force to the rear brake disc 48 with this hydraulic pressure. . The pipe 73 extends upward from the rear brake caliper 72 as shown in FIG. 3 and extends forward along the swing arm 35 as shown in FIG. It is connected to the brake lever 17.

パーキングブレーキ手段であるパーキングブレーキ用キャリパ６２は、パーキングレバー２０（図２に示す）をピン２１を軸にして上方に引上げることにより、ケーブル２２を矢印（ア）の如く引張り、ケーブル２２の引張力がピン６３を介してレバー６４に伝わる。これにより、レバー６４がロッド６５を中心にして矢印（イ）の如くスイングして、リヤブレーキディスク４８をロックする。ケーブル２２は、図３及び図２で明らかなように、スイングアーム３５の上方から該スイングアームに沿って前方に延ばされ、前記したパーキングレバー２２に接続される。
一方、パーキングレバー２０を開放することにより、リターンスプリング６６のばね力でレバー６４を開放位置に戻す。 The parking brake caliper 62, which is a parking brake means, pulls the cable 22 as shown by an arrow (A) by pulling the parking lever 20 (shown in FIG. 2) upward with the pin 21 as an axis. A force is transmitted to the lever 64 via the pin 63. As a result, the lever 64 swings around the rod 65 as shown by the arrow (A) to lock the rear brake disc 48. As apparent from FIGS. 3 and 2, the cable 22 extends forward from above the swing arm 35 along the swing arm and is connected to the parking lever 22 described above.
On the other hand, by opening the parking lever 20, the lever 64 is returned to the open position by the spring force of the return spring 66.

図４は図３の４−４線断面図であり、スイングアーム３５の後輪車軸支持部３８に、車体中心４０側に凹んだボス３８ａを備え、このボス３８ａに軸受３８ｂを介して後輪車軸４６を回転自在に支えることで、後輪車軸支持部３８に後輪４５を回転自在に支えた状態を示す。   FIG. 4 is a cross-sectional view taken along line 4-4 of FIG. A state in which the rear wheel 45 is rotatably supported on the rear wheel axle support portion 38 by supporting the axle 46 rotatably is shown.

このスイングアーム延出部３６の上辺３９ａにパーキングブレーキ用キャリパ６２をボルト４２ａ，４２ａ（奥側は図示しない）で取り付けることで、パーキングブレーキ用キャリパ６２のブレーキパッド６７，６７をリヤブレーキディスク４８の上端外周４８ａの両側に配置し、スイングアーム３５の下辺３９ｂにリヤブレーキ用キャリパ７２をボルト４２ｂ，４２ｂで取り付けることで、リヤブレーキ用キャリパ７２のブレーキパッド７４，７４をリヤブレーキディスク４８の下端外周４８ｂの両側に配置する。   By attaching the parking brake caliper 62 to the upper side 39a of the swing arm extension 36 with bolts 42a and 42a (the rear side is not shown), the brake pads 67 and 67 of the parking brake caliper 62 are attached to the rear brake disc 48. The brake pads 74 and 74 of the rear brake caliper 72 are attached to the lower edge 39b of the rear brake disc 48 by arranging the rear brake caliper 72 on the lower side 39b of the swing arm 35 with bolts 42b and 42b. It arranges on both sides of 48b.

このように、パーキングブレーキ用キャリパ６２及びリヤブレーキ用キャリパ７２をスイングアーム延出部３６の上下辺３９ａ，３９ｂに取り付けることにより、スイングアーム３５を車体中心４０から車体幅方向外側に必要以上に離す必要はない。従って、自動二輪車１０のバンク角を確保する上で有利になる。   In this manner, the parking brake caliper 62 and the rear brake caliper 72 are attached to the upper and lower sides 39a and 39b of the swing arm extending portion 36, thereby separating the swing arm 35 from the vehicle body center 40 to the outside in the vehicle width direction more than necessary. There is no need. Therefore, it is advantageous in securing the bank angle of the motorcycle 10.

リヤブレーキ用キャリパ７２は、リヤブレーキレバー１７（図１に示す）を操作することにより、キャリパ７２内の２個のピストン７５に油圧をかけ、ピストン７５をキャリパ７２から押し出すことにより、ブレーキパッド７４，７４をリヤブレーキディスク４８の両面に押し付ける。これにより、後輪４５に制動力をかけることができる。   The rear brake caliper 72 applies a hydraulic pressure to the two pistons 75 in the caliper 72 by operating the rear brake lever 17 (shown in FIG. 1), and pushes the piston 75 out of the caliper 72 to thereby release the brake pad 74. , 74 are pressed against both sides of the rear brake disc 48. Thereby, a braking force can be applied to the rear wheel 45.

パーキングブレーキ用キャリパ６２は、図１に示すパーキングレバー２０をピン２１を軸にして上方に引上げることによりケーブル２２を引張り、レバー６４を図３の如くスイングさせる。これにより、ロッド６５をリヤブレーキディスク４８側にねじ送りし、ブレーキパッド６７，６７をリヤブレーキディスク４８の両面に押し付ける。よって、リヤブレーキディスク４８をロックして、後輪４５を静止状態に保つことができる。   The parking brake caliper 62 pulls the cable 22 by pulling up the parking lever 20 shown in FIG. 1 with the pin 21 as an axis, and swings the lever 64 as shown in FIG. As a result, the rod 65 is screwed to the rear brake disc 48 side, and the brake pads 67 and 67 are pressed against both surfaces of the rear brake disc 48. Therefore, the rear brake disc 48 can be locked and the rear wheel 45 can be kept stationary.

図５は本発明に係る自動二輪車の制動装置のレイアウト図である。
前スイングアーム３４にスイングアーム３５をボルト３４ａで取り付けることで、前スイングアーム３４及びスイングアーム３５をエンジン３３の出力軸３３ａ（図２に示す）の中心３３ｂを中心に上下方向にスイング自在に取り付け、スイングアーム３５に後輪車軸支持部３８よりスイングアーム延出部３６を後方に延ばし、スイングアーム延出部３６にパーキングブレーキ用キャリパ６２及びリヤブレーキ用キャリパ７２を取り付けた状態を示す。
なお、パーキングブレーキ用キャリパ６２は、便宜上スイングアーム３５側に配置した状態で図示する。 FIG. 5 is a layout diagram of a braking device for a motorcycle according to the present invention.
By attaching the swing arm 35 to the front swing arm 34 with a bolt 34a, the front swing arm 34 and the swing arm 35 are swingably mounted in the vertical direction around the center 33b of the output shaft 33a (shown in FIG. 2) of the engine 33. The swing arm extending portion 36 is extended rearward from the rear wheel axle support portion 38 to the swing arm 35, and the parking brake caliper 62 and the rear brake caliper 72 are attached to the swing arm extending portion 36.
The parking brake caliper 62 is illustrated in a state of being disposed on the swing arm 35 side for convenience.

このように、スイングアーム延出部３６の上下辺３９ａ，３９ｂに各々のブレーキ用キャリパ６２，７２を取り付けることで（図４参照）、スイングアーム３５を車体中心４０から車体幅方向外側に必要以上に離す必要はない。このため、スイングアーム３５の中央３５ａを後端連結部３７の位置より車体側に湾曲状に距離Ｓだけ凹ませることができる。従って、例えばマフラー５４（図２に示す）の形状や配置に対して設計の自由度を高めることができる。
また、リヤブレーキ用キャリパ７２は、スイングアーム３５の延出部３６の後下方に配設されるが、スイングアーム３５の延出部３６の内側面に取り付けられている（図３も参照）。 In this way, by attaching the brake calipers 62 and 72 to the upper and lower sides 39a and 39b of the swing arm extending portion 36 (see FIG. 4), the swing arm 35 is more than necessary outside the vehicle body width direction from the vehicle body center 40. There is no need to release it. Therefore, the center 35 a of the swing arm 35 can be recessed by a distance S in a curved shape from the position of the rear end connecting portion 37 toward the vehicle body. Therefore, for example, the degree of freedom in design can be increased with respect to the shape and arrangement of the muffler 54 (shown in FIG. 2).
The rear brake caliper 72 is disposed below the extended portion 36 of the swing arm 35, but is attached to the inner surface of the extended portion 36 of the swing arm 35 (see also FIG. 3).

ところで、リヤブレーキ用キャリパ７２であるが、図２で明らかなように、側面視でマフラー５４の下方、即ち、マフラー５４をリヤブレーキ用キャリパ７２の上側に配置し、リヤブレーキ用キャリパ７２がマフラー５４に阻害されることなく、露出するように配設されていることが理解できる。   By the way, the rear brake caliper 72, as is apparent from FIG. 2, is disposed below the muffler 54, that is, above the rear brake caliper 72 in a side view, and the rear brake caliper 72 is disposed on the muffler. It can be understood that it is arranged so as to be exposed without being obstructed by 54.

なお、前記実施の形態では、スイングアーム３５の上辺３９ａに第１ブレーキキャリパとしてパーキングブレーキ用キャリパ６２を取り付け、スイングアーム３５の下辺３９ｂに第２キャリパとしてリヤブレーキ用キャリパ７２を取り付けた例について説明したが、パーキングブレーキ用キャリパ６２を下辺３９ｂに取り付け、リヤブレーキ用キャリパ７２を上辺３９ａに取り付けてもよい。   In the above-described embodiment, an example is described in which the parking brake caliper 62 is attached to the upper side 39a of the swing arm 35 as a first brake caliper, and the rear brake caliper 72 is attached to the lower side 39b of the swing arm 35 as a second caliper. However, the parking brake caliper 62 may be attached to the lower side 39b, and the rear brake caliper 72 may be attached to the upper side 39a.

さらに、第１ブレーキキャリパをパーキングブレーキ用キャリパ６２とすることで機械式ブレーキを採用した例について説明したが、第１ブレーキキャリパも第２ブレーキキャリパと同様にリヤブレーキ用キャリパとすることで、第１、第２ブレーキキャリパを両方とも油圧式ブレーキとすることも可能である。   Furthermore, the example in which the mechanical brake is adopted by using the first brake caliper as the parking brake caliper 62 has been described. However, the first brake caliper can be replaced with the rear brake caliper in the same manner as the second brake caliper. Both the first and second brake calipers can be hydraulic brakes.

本発明の制動装置は、自動二輪車の制動装置として好適である。   The braking device of the present invention is suitable as a braking device for a motorcycle.

１０…自動二輪車、 ３５…スイングアーム、 ３６…延出部、３８…後輪車軸支持部、 ３９ａ…上辺、 ３９ｂ…下辺、 ４５…後輪、 ４８…ブレーキディスク、 ５４…マフラー、 ６２…パーキング用ブレーキ手段、 ７２…リヤブレーキ用キャリパ。 DESCRIPTION OF SYMBOLS 10 ... Motorcycle, 35 ... Swing arm, 36 ... Extension part, 38 ... Rear-wheel axle support part, 39a ... Upper side, 39b ... Lower side, 45 ... Rear wheel, 48 ... Brake disk, 54 ... Muffler, 62 ... For parking Brake means, 72 ... Caliper for rear brake.

Claims (4)

車体に取り付けたスイングアーム（３５）の後輪車軸支持部（３８）で後輪（４５）の後輪車軸（４６）を支え、後輪（４５）のブレーキディスク（４８）に制動力をかけるリヤブレーキ用キャリパ（７２）を備え、前記スイングアーム（３５）に後輪車軸支持部（３８）より上向きの勾配で後方に延ばしたスイングアーム延出部（３６）を設けた自動二輪車であって、
側面視で前記スイングアーム延出部（３６）の下辺（３９ｂ）には前方に窪んだ凹部が形成され、
この凹部に前記リヤブレーキ用キャリパ（７２）が配設され、
前記ブレーキディスク（４８）は、前記スイングアーム（３５）の内側である車体中心側に配置され、前記リヤブレーキ用キャリパ（７２）は、前記スイングアーム延出部（３６）の内側面に取り付けられ、
前記スイングアーム（３５）の側方にマフラー（５４）を備え、リヤブレーキ用キャリパ（７２）は車両側面視でマフラー（５４）の下側に露出すように配設した、
ことを特徴とする自動二輪車の制動装置。 The rear wheel axle support portion (38) of the swing arm (35) attached to the vehicle body supports the rear wheel axle (46) of the rear wheel (45) and applies a braking force to the brake disk (48) of the rear wheel (45). A motorcycle comprising a rear brake caliper (72) and having a swing arm extending portion (36) extending rearward with a slope upward from the rear wheel axle support portion (38) on the swing arm (35). ,
A concave portion recessed forward is formed on the lower side (39b) of the swing arm extension portion (36) in a side view ,
The rear brake caliper (72) is disposed in the recess ,
The brake disc (48) is disposed on the vehicle body center side, which is the inner side of the swing arm (35), and the rear brake caliper (72) is attached to the inner side surface of the swing arm extension portion (36). ,
A muffler (54) is provided on the side of the swing arm (35), and a rear brake caliper (72) is disposed so as to be exposed below the muffler (54) in a side view of the vehicle.
A braking device for a motorcycle. 前記ブレーキ用キャリパ（７２）は、側面視で前記後輪車軸支持部（３８）の後部かつ上下方向に重なる位置に取り付けられていることを特徴とする請求項１記載の自動二輪車の制動装置。 The braking device for a motorcycle according to claim 1, wherein the brake caliper (72) is attached at a position overlapping the rear portion and the vertical direction of the rear wheel axle support portion (38) in a side view. 後輪（４５）のブレーキディスク（４８）をロック状態に保つパーキング用ブレーキ手段（６２）をスイングアーム（３５）に備えることを特徴とする請求項１記載の自動二輪車の制動装置。 The braking device for a motorcycle according to claim 1 , wherein the swing arm (35) includes parking brake means (62) for keeping the brake disk (48) of the rear wheel (45) in a locked state. 前記スイングアーム（３０）の延出部（３６）の上辺（３９ａ）部に下方に窪んだ凹部を設け、この凹部に前記パーキングブレーキ手段（６２）を設けたことを特徴とする請求項３記載の自動二輪車の制動装置。4. A recessed portion recessed downward is provided in the upper side (39a) of the extending portion (36) of the swing arm (30), and the parking brake means (62) is provided in the recessed portion. Motorcycle braking system.
JP2009163399A 2009-07-10 2009-07-10 Motorcycle braking device Expired - Lifetime JP4945604B2 (en)

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