JPS6231579A - Suspension system for front wheel of motorcycle - Google Patents

Suspension system for front wheel of motorcycle

Info

Publication number
JPS6231579A
JPS6231579A JP28072785A JP28072785A JPS6231579A JP S6231579 A JPS6231579 A JP S6231579A JP 28072785 A JP28072785 A JP 28072785A JP 28072785 A JP28072785 A JP 28072785A JP S6231579 A JPS6231579 A JP S6231579A
Authority
JP
Japan
Prior art keywords
swing arm
shock absorber
front wheel
motorcycle
arm
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP28072785A
Other languages
Japanese (ja)
Inventor
武 川口
河野 明夫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Honda Motor Co Ltd
Original Assignee
Honda Motor Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Honda Motor Co Ltd filed Critical Honda Motor Co Ltd
Priority to JP28072785A priority Critical patent/JPS6231579A/en
Publication of JPS6231579A publication Critical patent/JPS6231579A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62KCYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K21/00Steering devices
    • B62K21/005Steering pivot axis arranged within the wheel, e.g. for a hub center steering arrangement

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Steering Devices For Bicycles And Motorcycles (AREA)
  • Axle Suspensions And Sidecars For Cycles (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。
(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【発明の詳細な説明】 (産業上の利用分野) 本発明は自動二輪車(自動三輪車を含む)の前輪懸架装
置に関する。
DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a front wheel suspension system for motorcycles (including tricycles).

(従来の技術) 車体側から前方へ延出する上下のスイングアームを介し
て前輪を支持するようにしたリーディング式の前輪懸架
装置では従来、特公昭58−49435号公報に開示さ
れるように、下側のスイングアームは1強度上、前輪の
後方に位置する車体側への取付部分の左右幅が大きく形
成され、緩衝器は斯かる下側のスイングアームの上面と
車体側間に配設されている。
(Prior Art) A leading type front wheel suspension system in which the front wheels are supported through upper and lower swing arms extending forward from the vehicle body side has conventionally been disclosed in Japanese Patent Publication No. 58-49435. The lower swing arm is one strength stronger and has a larger horizontal width at the part where it is attached to the vehicle body located behind the front wheels, and the shock absorber is disposed between the top surface of the lower swing arm and the vehicle body side. ing.

(発明が解決しようとする問題点) そのため従来構造では緩衝器の配設スペースは、下側の
スイングアーム上方で車体側との間の限られた空間に限
定され、Is衝器の配置に制約があった。また、下側の
スイングアームの上方には緩衝器の他に上側のスイング
アーム等の前輪懸架系部材やタイロッド等の前輪操舵系
部材が配設されるため、前輪懸架系部材、前輪操舵系部
材を配設するに際しこれら部材が相互に干渉して制約を
受ける等の不具合があった。
(Problem to be solved by the invention) Therefore, in the conventional structure, the space for installing the shock absorber is limited to the limited space above the lower swing arm and between the vehicle body side, and the placement of the Is shock absorber is restricted. was there. In addition, in addition to the shock absorber, front wheel suspension system members such as the upper swing arm and front wheel steering system members such as tie rods are arranged above the lower swing arm. When arranging these parts, there were problems such as interference between these members and restrictions.

(問題点を解決するための手段) 本発明は前記問題点を解決するため、スイングアーム(
21)に上下方向に孔(81)を形成し、鎖孔(81)
に緩衝器(27)を挿通させた。
(Means for Solving the Problems) In order to solve the above problems, the present invention provides a swing arm (
21) with holes (81) formed in the vertical direction, and chain holes (81)
A buffer (27) was inserted through the tube.

(作用) 緩衝器(27)をスイングアーム(21)の上方及び下
方の空間を利用して配設できる。
(Function) The shock absorber (27) can be disposed using the space above and below the swing arm (21).

また緩衝器(27)の上部を下げることができるので、
他方のスイングアームやタイロッド(58)を緩衝器(
27)に干渉することなく配設でき、前輪懸架系部材や
前輪操舵系部材を配設する上で有利となる。
Also, since the upper part of the buffer (27) can be lowered,
Connect the other swing arm and tie rod (58) to the shock absorber (
27), which is advantageous in arranging front wheel suspension system members and front wheel steering system members.

(実施例) 以下、本発明の好適一実施例を添付図面に従って説明す
る。
(Embodiment) A preferred embodiment of the present invention will be described below with reference to the accompanying drawings.

第1図は自動二輪車の側面図、第2図は自動二輪車の前
部の要部断面側面図、第3図は同断面平面図を示す。
FIG. 1 is a side view of the motorcycle, FIG. 2 is a sectional side view of the main part of the front part of the motorcycle, and FIG. 3 is a sectional plan view of the same.

自動二輪車(1)の車体フレーム(3)は、前後に気筒
(5a) 、 (5b)を突設したV型エンジン(5)
の側面に結合された連結プレート(7)を備え、連結プ
レート(7)は前後に延出する横部(7a)と、横部(
7a)の#後端に夫々はぼ上下方向に延出させた前縦部
(7b)、後縦部(7c)とで構成し、図中(9)はカ
ウリング、(11)はハンドル、(12)はシートを示
す。
The body frame (3) of the motorcycle (1) is equipped with a V-type engine (5) with cylinders (5a) and (5b) protruding from the front and rear.
The connecting plate (7) has a lateral part (7a) extending front and rear, and a lateral part (7a) connected to the side surface of the
It consists of a front vertical part (7b) and a rear vertical part (7c) which extend in the vertical direction at the # rear end of #7a), in which (9) is a cowling, (11) is a handle, ( 12) indicates a sheet.

(31)は駆動輪をなす後輪で、後輪(31)の懸架は
、前端が後縦部(7c)に枢支され後端で後輪(31)
を支持するスイングアーム(33)と、スイングアーム
(33)と後縦部(7c)間に設けられリンク(35)
 。
(31) is a rear wheel forming a driving wheel, and the suspension of the rear wheel (31) is such that the front end is pivoted to the rear vertical part (7c) and the rear wheel (31) is connected to the rear wheel (31) at the rear end.
a swing arm (33) that supports the
.

(3B)からなるプログレジブリンク機構(37)と、
後縦部(7c)とプログレジブリンク機構(37)間に
設けた緩衝器(3日)等により行う。
(3B) a progressive link mechanism (37),
This is done using a shock absorber (3 days) provided between the rear vertical portion (7c) and the progressive link mechanism (37).

(13)は前輪、(15)はフロントアクスルで、フロ
ントアクスル(15)はナックルアーム(17)で支持
する。
(13) is a front wheel, (15) is a front axle, and the front axle (15) is supported by a knuckle arm (17).

前輪(13)の懸架は前記前縦部(7b)とナックルア
ーム(17)間に夫々架設した上下のスイングアーム(
19)、(21)と、前記下側のスイングアーム(21
)と前縦部(7b)間に設けられリンク(23) 、(
24)からなるプログレジブリンク機構(25)と、前
縦部(7b)とプログレジブリンク機構(25)間に設
けた緩衝器(27)等により行い、前記前縦部(7b)
 、上下のスイングアーム(19)、(21) 、ナッ
クルアーム(17)により平行運動機構が構成されてい
る。
The front wheel (13) is suspended by upper and lower swing arms (
19), (21), and the lower swing arm (21).
) and the front vertical part (7b), and the links (23), (
24) and a buffer (27) provided between the front vertical part (7b) and the progressive link mechanism (25), and the front vertical part (7b)
, upper and lower swing arms (19), (21), and knuckle arm (17) constitute a parallel movement mechanism.

前記ハンドル(11)にはステアリングシャフト(41
)を結合し、ステアリングシャフト(41)はエアクリ
ーナを収納したダミータンク(43)に取付けたパイプ
(45)で回転自在に支持する。そして前記前縦部(7
b)に支軸(47)を支点として揺動自在なアーム(4
9)を設け、ステアリングシャフト(41)下端に取付
けたアーム(51)と前記アーム(48)とをロッド(
53)で連結する。
A steering shaft (41) is attached to the handle (11).
), and the steering shaft (41) is rotatably supported by a pipe (45) attached to a dummy tank (43) containing an air cleaner. And the front vertical part (7
b) is equipped with an arm (4) that can swing freely around the support shaft (47).
9), and the arm (51) attached to the lower end of the steering shaft (41) and the arm (48) are connected to the rod (
53).

前記ナックルアーム(17)はフロントアクスル(15
)を片持ち支持するボス部(17a)と、ボス部(17
a)から前輪(13)の径外方に延出するアーム部(1
?b)とを備える。アーム部(17b)は前輪(13)
の輪郭に対応させて前輪(13)の側方へ湾曲させて形
成し、アーム部(17b)の上下に前記上下のスイング
アーム(19) 、(21)との結合部(55) 、(
57)を夫々形成し、アーム部(17)の中間部と前記
アーム(48)をタイロッド(53)で連結する。
The knuckle arm (17) is attached to the front axle (15).
) and a boss part (17a) that cantilever supports the boss part (17a).
an arm portion (1) extending radially outward of the front wheel (13) from a);
? b). The arm part (17b) is the front wheel (13)
The upper and lower swing arms (19) and (21) are connected to the upper and lower swing arms (19) and (21), respectively, and are curved to the side of the front wheel (13) in accordance with the contour of the front wheel (13).
57), and connect the intermediate portion of the arm portion (17) and the arm (48) with a tie rod (53).

前記上スイングアーム(19)は第3図に示すように、
左右の連結プレー) (7)、(7)間に架設した軸(
61)に回転自在に結合された筒部(19a)と、筒部
(19a)の両端から前方に延出するアーム部(19b
)。
As shown in FIG. 3, the upper swing arm (19)
Left and right connected play) (7), the shaft constructed between (7) (
61), and arm portions (19b) extending forward from both ends of the tube (19a).
).

(19b)と、アーム部(113b)、(19b)前端
の結合部(19c)とで構成し、ナックルアーム(17
)上端の結合部(55)上に前記結合部(19c)を位
置させ、再結合部(55)、(18c)とボールジヨイ
ント(63)を介して転舵可能に結合する。
(19b), an arm part (113b), and a joint part (19c) at the front end of (19b).
) The coupling part (19c) is located on the coupling part (55) at the upper end, and is coupled to the re-coupling parts (55) and (18c) via the ball joint (63) so that it can be steered.

前記下スイングアーム(21)は前輪(13)の左側方
に位置し湾曲状に形成された前部(21a)と、前部(
21a)の後端に接続し前輪(13)と連結プレート(
7)間で左右幅が大きく形成された後部(21b)ト、
 vkffl(21b) 両端力F) 突設置 ル取付
fA (21c) 。
The lower swing arm (21) is located on the left side of the front wheel (13) and has a curved front part (21a) and a front part (
21a) is connected to the rear end of the front wheel (13) and the connecting plate (
7) A rear part (21b) with a large left and right width between the parts;
vkffl (21b) Both ends force F) Projection installation fA (21c).

(21c)とで構成し、下スイングアーム(21)は側
面視へ字状に形成し、取付部(21c)、(21c)は
左右の連結プレー) (7)、(?)間に架設した軸(
65)に回転自在に結合する。
(21c), the lower swing arm (21) is formed in a square shape when viewed from the side, and the mounting parts (21c) and (21c) are installed between the left and right connecting play) (7) and (?). shaft(
65).

前部(21a)先端の結合部(21d)は、ナックルア
ーム(17)下部の結合部(57)上に位置させ、再結
合部(21d)、(57)をポールジヨイント(67)
を介して転舵可能に結合し、ハンドル操作によりロッド
(53)、アーム(49)、タイロッド(59)を介し
てナックルアーム(17)を可動し、前輪(13)を転
舵し、図中(K)は転舵軸、(73)はブレーキディス
ク、(75)はブレーキキャリパを示す。
The joint part (21d) at the tip of the front part (21a) is located on the joint part (57) at the lower part of the knuckle arm (17), and the rejoining parts (21d) and (57) are connected to the pole joint (67).
The knuckle arm (17) is moved via the rod (53), arm (49), and tie rod (59) by handle operation, and the front wheel (13) is steered. (K) indicates a steering shaft, (73) a brake disc, and (75) a brake caliper.

そして前記下スイングアーム後部(21b)の左寄り箇
所に孔(81)を貫設して鎖孔(81)に緩衝器(27
)を挿通し、緩衝器(27)の上部を下スイングアーム
(21)の上方で軸(83)及びプラケッ) (85)
を介して前縦部(7b)に結合し、緩衝器(27)の下
部を下スイングアーム(21)の下方で軸(87)を介
して前記リンク(23)の先端に結合する。
A hole (81) is formed through the left side of the rear part of the lower swing arm (21b), and the shock absorber (27) is inserted into the chain hole (81).
) and insert the upper part of the shock absorber (27) above the lower swing arm (21) into the shaft (83) and plaquette (85).
The lower part of the shock absorber (27) is connected to the tip of the link (23) via the shaft (87) below the lower swing arm (21).

図中(91)、(91)は前気筒(5A)から突設され
た排気管で、排気管(91) 、(91)は下スイング
アーム(21)の央部(93)と軸(85)との空間(
95)を挿通して後方へ延出させ、下スイングアーム(
21)を熱遮断部材として利用し、排気管(81)によ
る緩衝器(27)への熱影響を少なくする。
In the figure, (91) and (91) are exhaust pipes protruding from the front cylinder (5A), and the exhaust pipes (91) and (91) are the central part (93) of the lower swing arm (21) and the shaft (85). ) and space (
95) and extend it to the rear, lower swing arm (
21) as a heat shielding member to reduce the thermal influence of the exhaust pipe (81) on the shock absorber (27).

本実施例は前記のように構成し、緩衝器(27)を下ス
イングアーム(21)に挿通させて配設したので、緩衝
器(27)を下スイングアーム(21)の上方及び下方
の空間を利用して配設でき、従って緩衝器(27)のス
トロークを大きく確保し自動二輪車の乗心地性を向上す
ることができる。
This embodiment is constructed as described above, and the shock absorber (27) is inserted through the lower swing arm (21). Therefore, it is possible to ensure a large stroke of the shock absorber (27) and improve riding comfort of the motorcycle.

また緩衝器(27)の上部を下げることができ、実施例
のように上スイングアーム(19)の下方に緩衝器(2
7)を位置させれば、従来の如く緩衝器の配設箇所は上
スイングアームの側方に限定されず、従って緩衝器(2
7)を上スイングアーム(!9)に干渉することなく所
望の箇所に所望の角度で配設することも可能となり、緩
衝器(27)及び上スイングアーム(19)等の前輪懸
架系部材を配設する上で有利となる。また、実施例のよ
うに緩衝器(27)の上方で緩衝器(27)に干渉する
ことなくタイロッド(53)等の前輪操舵系部材を配設
でき、前輪操舵系部材を配設する上でも有利となる。
In addition, the upper part of the shock absorber (27) can be lowered, and as in the embodiment, the shock absorber (27) can be placed below the upper swing arm (19).
7), the location of the shock absorber is not limited to the side of the upper swing arm as in the past, and therefore the shock absorber (2
7) at a desired location and at a desired angle without interfering with the upper swing arm (!9), front wheel suspension system members such as the shock absorber (27) and the upper swing arm (19) can be This is advantageous for placement. Further, front wheel steering system members such as tie rods (53) can be installed above the shock absorber (27) without interfering with the shock absorber (27) as in the embodiment, and it is also possible to install the front wheel steering system members above the shock absorber (27). It will be advantageous.

尚、実施例では緩衝器(27)の下部を下スイングアー
ム(21)の下方でプログレジブリンク4141(25
)のリンク(23)に結合した場合について説明したが
、緩衝器(27)の下部は例えば下スイングアーム(2
1)から垂設したブラケット等に結合し、下スイングア
ーム(21)に直接連結するようにしてもよく、また央
部の構造は孔(81)に限らず任意である。
In the embodiment, the lower part of the shock absorber (27) is connected below the lower swing arm (21) to the progressive link 4141 (25).
), but the lower part of the shock absorber (27) is connected to the lower swing arm (23), for example.
It may be connected to a bracket or the like hanging down from 1) and directly connected to the lower swing arm (21), and the structure of the central part is not limited to the hole (81) but may be arbitrary.

(発明の効果) 以上の説明で明らかなように本発明によれば、リーディ
ング式の前輪懸架装置における緩衝器のストロークを大
きく確保して自動二輪車の乗心地性を向上することがで
き、また、前輪懸架系部材や前輪操舵系部材を配設する
上で有利である。
(Effects of the Invention) As is clear from the above description, according to the present invention, it is possible to ensure a large stroke of the shock absorber in a leading type front wheel suspension system, thereby improving the riding comfort of a motorcycle. This is advantageous in arranging front wheel suspension system members and front wheel steering system members.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は自動二輪車の側面図、第2図は自動二輪車の前
部の要部断面側面図、第3図は同断面平面図である。 尚図面中(13)は前輪、(17)はナックルアーム、
(18)は上スイングアーム、(21)は下スイングア
ーム、(27)は緩衝器、(59)はタイロッドである
FIG. 1 is a side view of the motorcycle, FIG. 2 is a sectional side view of the main part of the front part of the motorcycle, and FIG. 3 is a sectional plan view of the same. In the drawing, (13) is the front wheel, (17) is the knuckle arm,
(18) is an upper swing arm, (21) is a lower swing arm, (27) is a shock absorber, and (59) is a tie rod.

Claims (2)

【特許請求の範囲】[Claims] (1)車体側から前方へ延出するスイングアームを介し
て前輪を転舵可能に支持し、 前記スイングアームと車体側間に緩衝器を配設した自動
二輪車において、 前記スイングアームに上下方向に孔を形成し、該孔に前
記緩衝器を挿通させた自動二輪車の前輪懸架装置。
(1) In a motorcycle in which a front wheel is steerably supported via a swing arm extending forward from the vehicle body side, and a shock absorber is disposed between the swing arm and the vehicle body side, the swing arm is provided with a shock absorber in the vertical direction. A front wheel suspension device for a motorcycle, which has a hole and the shock absorber is inserted into the hole.
(2)前記スイングアームと車体側間にはリンク機構が
設けられ、前記緩衝器の下部はスイングアームの下方で
前記リンク機構に結合されている前記特許請求の範囲第
1項記載の自動二輪車の前輪懸架装置。
(2) The motorcycle according to claim 1, wherein a link mechanism is provided between the swing arm and the vehicle body side, and a lower part of the shock absorber is connected to the link mechanism below the swing arm. Front wheel suspension.
JP28072785A 1985-12-13 1985-12-13 Suspension system for front wheel of motorcycle Pending JPS6231579A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP28072785A JPS6231579A (en) 1985-12-13 1985-12-13 Suspension system for front wheel of motorcycle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP28072785A JPS6231579A (en) 1985-12-13 1985-12-13 Suspension system for front wheel of motorcycle

Publications (1)

Publication Number Publication Date
JPS6231579A true JPS6231579A (en) 1987-02-10

Family

ID=17629099

Family Applications (1)

Application Number Title Priority Date Filing Date
JP28072785A Pending JPS6231579A (en) 1985-12-13 1985-12-13 Suspension system for front wheel of motorcycle

Country Status (1)

Country Link
JP (1) JPS6231579A (en)

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