JP2001124129A - Hydraulic shock absorber with vehicle height adjustment mechanism - Google Patents

Hydraulic shock absorber with vehicle height adjustment mechanism

Info

Publication number
JP2001124129A
JP2001124129A JP30031799A JP30031799A JP2001124129A JP 2001124129 A JP2001124129 A JP 2001124129A JP 30031799 A JP30031799 A JP 30031799A JP 30031799 A JP30031799 A JP 30031799A JP 2001124129 A JP2001124129 A JP 2001124129A
Authority
JP
Japan
Prior art keywords
hydraulic shock
shock absorber
cylinder
vehicle height
jack cylinder
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.)
Granted
Application number
JP30031799A
Other languages
Japanese (ja)
Other versions
JP3960506B2 (en
Inventor
Shigekazu Kawada
繁和 河田
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.)
KYB Corp
Original Assignee
Kayaba Industry 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 Kayaba Industry Co Ltd filed Critical Kayaba Industry Co Ltd
Priority to JP30031799A priority Critical patent/JP3960506B2/en
Publication of JP2001124129A publication Critical patent/JP2001124129A/en
Application granted granted Critical
Publication of JP3960506B2 publication Critical patent/JP3960506B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Vehicle Body Suspensions (AREA)
  • Fluid-Damping Devices (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a hydraulic shock absorber with vehicle height adjustment mechanism capable of using two hydraulic shock absorbers with vehicle height adjustment mechanism having the same structure without interfering with the operation by the interference of an operating part with a passenger, and lowering a value of a commodity caused by the impairing of its appearance, and to reduce the troubles in the manufacturing as much as possible. SOLUTION: In this hydraulic shock absorber with vehicle height adjustment mechanism supporting one end of a suspension spring 13 by a jack cylinder 11 mounted coaxially to a hydraulic shock absorber 1, and changing the load of the suspension spring 13 in the hydraulic shock absorber 1 while supplying and discharging the oil with respect to the jack cylinder 11 by the operation of a piston 16 of a pump cylinder 33 attached to the jack cylinder 11 to adjust a level, an axis of the pump cylinder 33 is arranged in the same direction as an axis of the hydraulic shock absorber 1 and mounted on a side surface of the hydraulic shock absorber 1, and an operating part of the piston 16 on the pump cylinder 33 can be relatively displaced to the axial direction of the jack cylinder 11.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】この発明は、車体側の荷重変
化に対応して地上からの車体高さを自由に調整すること
のできる車高調整機構を備えた油圧緩衝器に関し、特
に、自動二輪車への使用に好適な車高調整機構付き油圧
緩衝器に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hydraulic shock absorber having a vehicle height adjustment mechanism capable of freely adjusting the height of a vehicle body from the ground in response to a change in load on the vehicle body, and more particularly to a motorcycle. The present invention relates to a hydraulic shock absorber with a vehicle height adjustment mechanism suitable for use in a vehicle.

【0002】[0002]

【従来の技術】従来、この種の車高調整機構付き油圧緩
衝器としては、例えば、平成6年3月23日付で出願公
告された平成6年実用新案出願公告第11386号公報
にみられるようなものが既に知られている。
2. Description of the Related Art Conventionally, as a hydraulic shock absorber with a vehicle height adjusting mechanism of this type, for example, as disclosed in Japanese Utility Model Application Publication No. 11386 published on March 23, 1994, the Japanese Utility Model Application Publication No. 11386. Are already known.

【0003】すなわち、このものは、油圧緩衝器を取り
巻いて同軸状態に配置したジャッキシリンダで懸架ばね
の一端を支持すると共に、当該ジャッキシリンダに付設
したポンプシリンダのピストン操作でジャッキシリンダ
へとオイルを給排し、油圧緩衝器の懸架ばね荷重を変え
て車高の調整を行うようにしている。
[0003] That is, in this apparatus, one end of a suspension spring is supported by a jack cylinder arranged coaxially around a hydraulic shock absorber, and oil is supplied to the jack cylinder by operating a piston of a pump cylinder attached to the jack cylinder. The vehicle height is adjusted by changing the supply / discharge and the suspension spring load of the hydraulic shock absorber.

【0004】そして、このような車高調整機構付きの油
圧緩衝器において、ジャッキシリンダとポンプシリンダ
の連結をパイプレスにして当該部分の構成を簡略化する
ために、ジャッキシリンダの一側面に対してポンプシリ
ンダを両者の軸線が互に直交する方向に向けて形成す
る。
In such a hydraulic shock absorber with a vehicle height adjusting mechanism, the pump cylinder is connected to one side surface of the jack cylinder in order to simplify the structure of the portion by connecting the jack cylinder and the pump cylinder in a pipeless manner. The cylinders are formed with their axes oriented in directions perpendicular to each other.

【0005】このようにして、ジャッキシリンダを油圧
緩衝器へと同軸状態を保って嵌着するにより、ポンプシ
リンダを油圧緩衝器の一側面へとオフセットして配置す
るようにしている。
[0005] In this manner, the jack cylinder is fitted to the hydraulic shock absorber while keeping the same coaxial state, so that the pump cylinder is arranged offset to one side surface of the hydraulic shock absorber.

【0006】[0006]

【発明が解決しようとする課題】しかし、上記したよう
な構成をもつ従来の車高調整機構付き油圧緩衝器にあっ
ては、ジャッキシリンダとポンプシリンダの軸線が油圧
緩衝器の側面で互に交差することになる。
However, in the conventional hydraulic shock absorber with a vehicle height adjusting mechanism having the above-described structure, the axes of the jack cylinder and the pump cylinder cross each other on the side surface of the hydraulic shock absorber. Will do.

【0007】そのために、この油圧緩衝器を自動二輪車
の後輪側の左右にそれぞれ配設する所謂二本使いとして
使用する場合に、一方の油圧緩衝器におけるポンプシリ
ンダをジャッキシリンダごと半回転するなり、或いは、
一方の油圧緩衝器全体を反対向きにして左右のポンプシ
リンダを対称的に油圧緩衝器の外面側に位置するように
し、この状態を保って油圧緩衝器を車体と車軸との間に
取り付けてやったとする。
For this reason, when this hydraulic shock absorber is used as a so-called two-wheeler which is respectively disposed on the left and right sides of the rear wheel of the motorcycle, the pump cylinder in one of the hydraulic shock absorbers rotates half a jack cylinder together with the jack cylinder. Or
One hydraulic shock absorber is turned in the opposite direction so that the left and right pump cylinders are symmetrically positioned on the outer surface side of the hydraulic shock absorber. In this state, the hydraulic shock absorber is attached between the vehicle body and the axle. Suppose.

【0008】しかし、これだけでは、左右のポンプシリ
ンダにおけるピストン操作部が必然的に車体の前方と後
方の反対向きにならざるを得ず、左右アンバランスとな
って機能上は問題ないとしても外観を損なうことになっ
て商品価値が低下することになる。
However, this alone inevitably causes the piston operating portions of the left and right pump cylinders to be in the opposite directions to the front and rear of the vehicle body. As a result, the commercial value is reduced.

【0009】ただし、予め対称的に配置したピストン操
作部をもつ左右専用の油圧緩衝器を用意し、これらを組
み合わせて用いることによりピストン操作部を同じ向き
にしてやることができるが、しかし、これでは、二種類
の油圧緩衝器を用意して選択的に組み合わせて用いなけ
ればならず、油圧緩衝器の製作および組付に手数と時間
を要してコスト高となる。
[0009] However, it is possible to prepare the right and left hydraulic shock absorbers having the symmetrically arranged piston operating portions in advance and use them in combination so that the piston operating portions can be oriented in the same direction. In addition, two types of hydraulic shock absorbers must be prepared and selectively used in combination, and it takes time and effort to manufacture and assemble the hydraulic shock absorbers, resulting in high costs.

【0010】そうかと言って、ポンプシリンダのピスト
ン操作部を車体側面から外方へと突き出して取り付けて
やるようにすると、今度は、ポンプシリンダのピストン
操作部が乗員と干渉し易くなって運転に支障をきたす恐
れが生じることになる。
However, if the piston operating portion of the pump cylinder is mounted so as to protrude outward from the side of the vehicle body, the piston operating portion of the pump cylinder is likely to interfere with the occupant, so that the operation becomes difficult. This may cause trouble.

【0011】また、油圧緩衝器に対するジャッキシリン
ダとピストンシリンダの回転止め機構がなく、これらジ
ャッキシリンダとピストンシリンダとが油圧緩衝器の軸
線周りに回転して車体や乗員に干渉する恐れがあるばか
りか、ジャッキシリンダとポンプシリンダの加工に際し
て向きを異にする二方向からの加工が必要となり、加工
工数が増大して手数が掛かることから、製作に時間を要
してこの点からもコスト高とならざるを得ない。
Further, there is no mechanism for stopping the rotation of the jack cylinder and the piston cylinder with respect to the hydraulic shock absorber, and the jack cylinder and the piston cylinder may rotate around the axis of the hydraulic shock absorber and interfere with the vehicle body and the occupant. When processing the jack cylinder and the pump cylinder, it is necessary to machine from two directions with different directions, which increases the number of machining steps and time and labor. I have no choice.

【0012】したがって、この発明の目的は、同一構成
の車高調整機構付き油圧緩衝器を用いて自動二輪車等に
二本使いとして使用したとしても、ピストン操作部が乗
員と干渉して運転に支障をきたしたり、外観を損なって
商品価値が低下することがなく、しかも、製作に際して
手数を要したりすることのない改良されたこの種の車高
調整機構付き油圧緩衝器を提供することである。
[0012] Therefore, an object of the present invention is to provide a motorcycle having a vehicle height adjustment mechanism having the same configuration and to use a double shock absorber for a motorcycle or the like, so that the piston operation unit interferes with the occupant and hinders driving. An object of the present invention is to provide an improved hydraulic shock absorber with a vehicle height adjusting mechanism of the type described above, which does not cause trouble or damage to the appearance and does not lower the commercial value, and also does not require any trouble in manufacturing. .

【0013】[0013]

【課題を解決するための手段】上記したこの発明の目的
は、油圧緩衝器に対して同軸状態に配置したジャッキシ
リンダで懸架ばねの一端を支持し、当該ジャッキシリン
ダに付設したポンプシリンダのピストン操作でジャッキ
シリンダへとオイルを給排しつつ、油圧緩衝器の懸架ば
ね荷重を変えて車高の調整を行うようにした車高調整機
構付き油圧緩衝器において、ポンプシリンダの軸線を油
圧緩衝器の軸線と同じ向きに並べて当該油圧緩衝器の側
面に配置し、かつ、ポンプシリンダのピストン操作部を
ジャッキシリンダの軸線方向に向けて相対変位可能に付
設することにより達成される。
SUMMARY OF THE INVENTION It is an object of the present invention to provide a jack cylinder arranged coaxially with a hydraulic shock absorber, wherein one end of a suspension spring is supported and a piston cylinder of a pump cylinder attached to the jack cylinder is operated. In the hydraulic shock absorber with a vehicle height adjustment mechanism that adjusts the vehicle height by changing the suspension spring load of the hydraulic shock absorber while supplying and discharging oil to and from the jack cylinder, the axis of the pump cylinder is This is achieved by arranging the hydraulic shock absorber on the side of the hydraulic shock absorber side by side in the same direction as the axis, and providing the piston operating portion of the pump cylinder so as to be relatively displaceable in the axial direction of the jack cylinder.

【0014】すなわち、上記のようにポンプシリンダに
おけるピストン操作部の軸線を油圧緩衝器の軸線と同じ
向きに並べて配置したことにより、当該油圧緩衝器を自
動二輪車の後輪側の左右にそれぞれ配設する所謂二本使
いとして使用する場合にあってもそのまま自動二輪車へ
と装着してやるだけで、運転に支障をきたしたりアンバ
ランスによる外観の不揃いが原因で商品価値が下がった
りすることもなく、また、わざわざポンプシリンダのピ
ストン操作部を同じ向きに合わせた二種類の車高調整機
構付き油圧緩衝器を用意することもなくなる。
That is, by arranging the axis of the piston operating portion of the pump cylinder in the same direction as the axis of the hydraulic shock absorber as described above, the hydraulic shock absorbers are respectively disposed on the left and right sides of the rear wheel of the motorcycle. Even if it is used as a so-called double use, it is simply attached to the motorcycle as it is, without impairing driving or reducing the commercial value due to irregular appearance due to imbalance, It is no longer necessary to prepare two types of hydraulic shock absorbers with a vehicle height adjusting mechanism in which the piston operating portions of the pump cylinders are oriented in the same direction.

【0015】さらに、ジャッキシリンダとポンプシリン
ダの軸線の向きが同じになることから、両者の加工に際
して同じ方向からの同時加工も可能となり、その結果、
製作に当っての加工工数が少なくて手数も要せず、短い
製作時間で低コストで製作することが可能になるのであ
る。
Further, since the directions of the axes of the jack cylinder and the pump cylinder are the same, simultaneous machining from the same direction is possible when machining both. As a result,
The number of man-hours required for the production is small and no labor is required, and the production can be performed in a short production time and at low cost.

【0016】[0016]

【発明の実施の形態】以下、この発明による車高調整機
構付き油圧緩衝器を自動二輪車における後輪懸架用の油
圧緩衝器に使用した場合を例にとって説明していくこと
にする。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A description will be given below of an example in which a hydraulic shock absorber with a vehicle height adjusting mechanism according to the present invention is used as a hydraulic shock absorber for rear wheel suspension in a motorcycle.

【0017】図1は、この発明による車高調整機構付き
油圧緩衝器1の要部を縦断して示す正面図であって、油
圧緩衝器1におけるシリンダ2の上端は、上部取付アイ
3を形成したアッパキャップ4で閉じられており、この
アッパキャップ4には、シリンダ2の内部をオイルタン
ク(図示省略)へと結ぶ油路5が設けてある。
FIG. 1 is a longitudinal sectional front view of a hydraulic shock absorber 1 with a vehicle height adjusting mechanism according to the present invention. The upper end of a cylinder 2 in the hydraulic shock absorber 1 forms an upper mounting eye 3. The upper cap 4 is closed with an oil passage 5 that connects the inside of the cylinder 2 to an oil tank (not shown).

【0018】シリンダ2の外周には、上記したアッパキ
ャップ4に当接してカラー6を嵌着して設けてあり、当
該カラー6との間にシール7,8を挟んでハウジング9
を摺動自在に嵌め、これらカラー6とハウジング9とで
シリンダ室10を形成しつつ油圧緩衝器1と同軸状態を
保ってジャッキシリンダ11を形成している。
A collar 6 is fitted on the outer periphery of the cylinder 2 in contact with the upper cap 4 described above, and the housing 9 is sandwiched between the collar 6 and seals 7 and 8.
Are slidably fitted to each other, and a jack cylinder 11 is formed while maintaining a coaxial state with the hydraulic shock absorber 1 while forming a cylinder chamber 10 by the collar 6 and the housing 9.

【0019】ジャッキシリンダ11を形成する下方のハ
ウジング9は、カラー6の外周面に沿って嵌めたばね受
け12を介して懸架ばね13の上端を支持し、当該懸架
ばね13で車体を弾性的に支持しつつ油圧緩衝器1によ
って制振作用を加えるようにしてある。
The lower housing 9 forming the jack cylinder 11 supports the upper end of a suspension spring 13 via a spring receiver 12 fitted along the outer peripheral surface of the collar 6, and the suspension spring 13 elastically supports the vehicle body. The vibration damping action is added by the hydraulic shock absorber 1 while the vibration is being suppressed.

【0020】ジャッキシリンダ11を構成するハウジン
グ9の一側には、軸線を同じ向きに並べて(即ち油圧緩
衝器1の軸線とも同じ向きにして)シリンダ状のポンプ
本体14を一体に形成している。
On one side of the housing 9 that constitutes the jack cylinder 11, a cylinder-shaped pump body 14 is integrally formed with the axes aligned in the same direction (ie, in the same direction as the axis of the hydraulic shock absorber 1). .

【0021】ポンプ本体14の上端開口部からは、内部
へとピストン16を摺動自在に挿入し、かつ、上方部分
にナット18をねじ込んで所定の位置に固定し、このナ
ット18にねじ杆17を螺挿して先端をピストン16へ
と当接している。
A piston 16 is slidably inserted into the pump body 14 from the upper end opening thereof, and a nut 18 is screwed into an upper portion to be fixed at a predetermined position. Is screwed in and the tip is in contact with the piston 16.

【0022】上記ねじ杆17の先端部分には、ストッパ
15を嵌着して取り付けてあり、ねじ杆17が最大に螺
退したときに当該ストッパ15がナット18へと当接す
ることで、ねじ杆17がナット18から抜け出してしま
うのを防止するようにしてある。
A stopper 15 is fitted to and attached to the distal end of the screw rod 17, and when the screw rod 17 is fully retracted, the stopper 15 comes into contact with the nut 18 so that the screw rod 17 is brought into contact. 17 is prevented from coming off the nut 18.

【0023】ピストン16は、外周面に介装したシール
19でポンプ本体14の内部を油室20に区画しつつ、
当該油室20をポンプ本体14に穿った通孔21を通し
て先のジャッキシリンダ11におけるシリンダ室10へ
と連通している。
The interior of the pump body 14 is divided into an oil chamber 20 by a seal 19 interposed on the outer peripheral surface of the piston 16.
The oil chamber 20 communicates with the cylinder chamber 10 of the jack cylinder 11 through a through hole 21 formed in the pump body 14.

【0024】上記ナット18に続いてポンプ本体14の
上端開口部からは、当該ナット18と共働してダブルナ
ット機能を果す中空状のボルト部材22を螺挿し、この
ボルト部材22における外周の張出部分23を図2に示
したように、油圧緩衝器1のアッパキャップ4に形成し
た二つの突起24の間の窪み部分25へと嵌め、この窪
み部分25によって回転止め機構26を施している。
After the nut 18, a hollow bolt member 22 which functions as a double nut in cooperation with the nut 18 is screwed in from the upper end opening of the pump body 14, and the outer periphery of the bolt member 22 is stretched. As shown in FIG. 2, the projecting portion 23 is fitted into a recess 25 between two projections 24 formed on the upper cap 4 of the hydraulic shock absorber 1, and the rotation stopping mechanism 26 is provided by the recess 25. .

【0025】ボルト部材22の上端からは、操作ダイヤ
ル27を残して孔28を有する操作軸29の部分をスナ
ップリング30によりボルト部材22の内側に係止して
回転自在に挿通し、かつ、ボルト部材22の張出部分2
3を半径方向に貫いて納めたディテント機構31を、操
作軸29の外周面へと係合させることによって位置決め
するようにしている。
From the upper end of the bolt member 22, a portion of the operation shaft 29 having a hole 28 except the operation dial 27 is locked inside the bolt member 22 by a snap ring 30, and is rotatably inserted therethrough. Overhang part 2 of member 22
The detent mechanism 31 having the outer periphery 3 of the operation shaft 29 is positioned by engaging the outer periphery of the operation shaft 29.

【0026】ピストン16に当接するねじ杆17の上端
は、操作ダイヤル27の操作軸29に設けた孔28と適
合する拡張した頭部32となっており、この頭部32が
操作ダイヤル27の操作軸29に設けた孔28と異形で
嵌合し、操作ダイヤル27の回転に伴って共に回転しつ
つ、軸方向に対しては相対変位可能になっており、この
ようにして、ジャッキシリンダ11を操作するためのポ
ンプシリンダ33を構成している。
The upper end of the threaded rod 17 which comes into contact with the piston 16 has an expanded head 32 which is compatible with a hole 28 provided in an operation shaft 29 of the operation dial 27. The jack cylinder 11 is fitted with a hole 28 provided in the shaft 29 in an irregular shape, and can be relatively displaced in the axial direction while rotating together with the rotation of the operation dial 27. The pump cylinder 33 for operation is constituted.

【0027】なお、図1において符号34で示したもの
は、ボルト部材22と操作ダイヤル27との接合面を密
封するためのシールであり、また、符号35を用いて示
したものは、ポンプシリンダ33の油室20へと作動オ
イルを給排するための供給口を塞いでおくための栓であ
る。
In FIG. 1, reference numeral 34 denotes a seal for sealing the joint surface between the bolt member 22 and the operation dial 27, and reference numeral 35 denotes a pump cylinder. A stopper for closing a supply port for supplying and discharging the working oil to and from the oil chamber 33.

【0028】さらに、このものにあっては、図3におい
て示したように、油圧シリンダ1の軸線と同一軸線方向
に相対変位するジャッキシリンダ11とポンプシリンダ
33の張出部分23との間に、ジャッキシリンダ11に
対するポンプシリンダ33の相対変位量をそのときどき
の車高として表示する車高目盛り36を刻んで設けたの
である。
Further, in this case, as shown in FIG. 3, the jack cylinder 11 which is relatively displaced in the same axial direction as the axis of the hydraulic cylinder 1 and the projecting portion 23 of the pump cylinder 33 are provided. A vehicle height scale 36 is provided by which the relative displacement of the pump cylinder 33 with respect to the jack cylinder 11 is displayed as the vehicle height at that time.

【0029】これにより、ディテント機構31に抗して
操作ダイヤル27を回してやったとすると、頭部32で
異形嵌合するねじ杆17がナット18との間の螺合で回
転しながら先端のピストン16を伴いつつ軸線方向に進
退する。
As a result, if the operation dial 27 is turned against the detent mechanism 31, the screw rod 17, which is oddly fitted at the head 32, is rotated by screwing between the nut 18 and the piston 16 at the tip. And move back and forth in the axial direction.

【0030】このピストン16の進退に伴い通孔21を
通しポンプシリンダ33の油室20とジャッキシリンダ
11のシリンダ室10の間でオイルのやり取りが行わ
れ、カラー6を反力部材として一体形成したジャッキシ
リンダ11のハウジング9とポンプシリンダ33のポン
プ本体14とが油圧緩衝器1の軸線に沿って同方向へと
変位する。
As the piston 16 advances and retreats, oil is exchanged between the oil chamber 20 of the pump cylinder 33 and the cylinder chamber 10 of the jack cylinder 11 through the through hole 21 and the collar 6 is integrally formed as a reaction force member. The housing 9 of the jack cylinder 11 and the pump body 14 of the pump cylinder 33 are displaced in the same direction along the axis of the hydraulic shock absorber 1.

【0031】しかも、このときに、ポンプシリンダ33
は、アッパキャップ4との間に設けた回転止め機構26
でアッパキャップ4即ち油圧緩衝器1との間の回転を阻
止されつつ軸線方向に移動し、懸架ばね13の荷重を変
えて車高の調整を行うと同時に、当該部分に設けた車高
目盛り36で調整後の車高を知ることができる。
At this time, the pump cylinder 33
Is a rotation stopping mechanism 26 provided between the upper cap 4
, While moving in the axial direction while preventing rotation between the upper cap 4, that is, the hydraulic shock absorber 1, and adjusting the vehicle height by changing the load of the suspension spring 13, and at the same time, the vehicle height scale 36 provided in the relevant portion. Can be used to know the adjusted vehicle height.

【0032】このようにして、ポンプシリンダ33のピ
ストン16から操作ダイヤル27に至る各操作部材で構
成されたピストン操作部の軸線を油圧緩衝器1の軸線と
同じ向きに並べて配置したことにより、当該油圧緩衝器
1を自動二輪車の後輪側の左右にそれぞれ配設する所謂
二本使いとして使用する場合にあってもそのまま自動二
輪車へと適用してやるだけで、運転に支障をきたしたり
アンバランスによる外観の不揃いが原因で商品価値が下
がったりすることもなく、また、わざわざポンプシリン
ダ33のピストン操作部を同じ向きに合わせた二種類の
車高調整機構付き油圧緩衝器を用意することもなくな
る。
As described above, the axis of the piston operating portion composed of the operating members from the piston 16 of the pump cylinder 33 to the operating dial 27 is arranged in the same direction as the axis of the hydraulic shock absorber 1, so that Even when the hydraulic shock absorber 1 is used as a so-called two-wheeled vehicle that is disposed on the left and right sides of the rear wheel side of the motorcycle, simply applying the hydraulic shock absorber 1 to the motorcycle as it is, hinders driving and appearance due to imbalance. Therefore, there is no need to prepare two types of hydraulic shock absorbers with a vehicle height adjusting mechanism in which the piston operating portions of the pump cylinders 33 are oriented in the same direction.

【0033】さらに、ジャッキシリンダ11のハウジン
グ9とポンプシリンダ33のポンプ本体14との軸線の
向きが同じになることから、これらジャッキシリンダ1
1とポンプシリンダ33の加工に際して同じ方向からの
同時加工も可能となり、その結果、製作に当っての加工
工数が少なくて手数も要せず、短い製作時間で低コスト
で製作することが可能になるのである。
Further, since the axial directions of the housing 9 of the jack cylinder 11 and the pump body 14 of the pump cylinder 33 are the same, the jack cylinder 1
1 and the pump cylinder 33 can be simultaneously machined from the same direction. As a result, the number of man-hours required for the manufacture is small, and no labor is required. It becomes.

【0034】[0034]

【発明の効果】以上述べたように、請求項1の発明によ
れば、油圧緩衝器に対して同軸状態に配置したジャッキ
シリンダで懸架ばねの一端を支持し、当該ジャッキシリ
ンダに付設したポンプシリンダのピストン操作でジャッ
キシリンダへとオイルを給排しつつ、油圧緩衝器の懸架
ばね荷重を変えて車高の調整を行うようにした車高調整
機構付きの油圧緩衝器において、ポンプシリンダの軸線
を油圧緩衝器の軸線と同じ向きに並べて当該油圧緩衝器
の側面に配置し、かつ、ポンプシリンダのピストン操作
部をジャッキシリンダの軸線方向に向けて相対変位可能
に付設したことにより、当該油圧緩衝器を自動二輪車の
後輪側の左右にそれぞれ配設する所謂二本使いとして使
用する場合にあっても、そのまま自動二輪車へと装着し
てやるだけで、運転に支障をきたしたりアンバランスに
よる外観の不揃いが原因で商品価値が下がったりするこ
ともなく、また、わざわざポンプシリンダのピストン操
作部を同じ向きに合わせた二種類の車高調整機構付き油
圧緩衝器を用意することもなくなる。
As described above, according to the first aspect of the present invention, one end of the suspension spring is supported by the jack cylinder disposed coaxially with the hydraulic shock absorber, and the pump cylinder attached to the jack cylinder is provided. In the hydraulic shock absorber with a vehicle height adjustment mechanism that adjusts the vehicle height by changing the suspension spring load of the hydraulic shock absorber while supplying and discharging oil to and from the jack cylinder by operating the piston, the axis of the pump cylinder is The hydraulic shock absorber is arranged side by side in the same direction as the axis of the hydraulic shock absorber and arranged on the side surface of the hydraulic shock absorber, and the piston operating portion of the pump cylinder is provided so as to be relatively displaceable in the axial direction of the jack cylinder. , Which are arranged on the left and right sides of the rear wheel side of the motorcycle, so that they can be mounted on the motorcycle as it is, Hydraulic shock absorbers with two types of vehicle height adjustment mechanisms that do not bother the product or reduce the product value due to uneven appearance due to imbalance, and to bother the pump cylinder's piston operating part in the same direction. No need to prepare.

【0035】しかも、ジャッキシリンダとポンプシリン
ダの軸線の向きが同じになることから、両者の加工に際
して同じ方向からの同時加工も可能となり、その結果、
製作に当っての加工工数が少なくて手数も要せず、短い
製作時間で低コストで製作することが可能になるのであ
る。
In addition, since the directions of the axes of the jack cylinder and the pump cylinder are the same, simultaneous machining from the same direction is possible when machining both. As a result,
The number of man-hours required for the production is small and no labor is required, and the production can be performed in a short production time and at low cost.

【0036】また、請求項2の発明によれば、上記請求
項1の発明に加えて、ジャッキシリンダとポンプシリン
ダとの間に、軸線方向への相対変位を許容しつつ円周方
向への動きを制限する回転止め機構を介装して両者を互
に関連づけるようにしたことにより、当該請求項1の効
果と併せて部品点数を増加することなく簡便な手段を用
いてポンプシリンダの回転止め機能を果たすことができ
る。
According to the second aspect of the present invention, in addition to the first aspect of the present invention, the circumferential movement between the jack cylinder and the pump cylinder while allowing relative displacement in the axial direction. The rotation stopping mechanism of the pump cylinder is interposed by interposing a rotation stopping mechanism that restricts the rotation of the pump cylinder. Can be fulfilled.

【0037】さらに、請求項3の発明によれば、上記し
た請求項2の発明に加えて、軸線方向に相対変位するジ
ャッキシリンダとポンプシリンダの境界部分に、ジャッ
キシリンダに対するポンプシリンダの相対変位量をその
ときの車高として表示する車高目盛りを設けたことによ
り、これら請求項1,2の効果に併せて容易にそのとき
どきの車高を知ることができる。
According to a third aspect of the present invention, in addition to the above-mentioned second aspect, a relative displacement amount of the pump cylinder with respect to the jack cylinder is provided at a boundary between the jack cylinder and the pump cylinder which is relatively displaced in the axial direction. Is provided as the vehicle height at that time, the vehicle height at that time can be easily known in accordance with the effects of the first and second aspects.

【図面の簡単な説明】[Brief description of the drawings]

【図1】この発明による車高調整機構付き油圧緩衝器の
要部を切断して示す部分縦断正面図である。
FIG. 1 is a partial longitudinal sectional front view showing a relevant part of a hydraulic shock absorber with a vehicle height adjusting mechanism according to the present invention.

【図2】同上、この発明による車高調整機構付き油圧緩
衝器を上面側からみた平面図である。
FIG. 2 is a plan view of the hydraulic shock absorber with a vehicle height adjusting mechanism according to the present invention, as viewed from above.

【図3】同じく、この発明による車高調整機構付き油圧
緩衝器を正面側からみた部分正面図である。
FIG. 3 is a partial front view of the hydraulic shock absorber with a vehicle height adjusting mechanism according to the present invention as viewed from the front side.

【符号の説明】[Explanation of symbols]

1 油圧緩衝器 2 油圧緩衝器のシリンダ 3 上部取付アイ 4 アッパキャップ 6 カラー 9 ハウジング 10 シリンダ室 11 ジャッキシリンダ 13 懸架ばね 14 ポンプ本体 16 ピストン 17 ねじ杆 18 ナット 20 油室 21 通孔 22 ボルト部材 23 張出部分 24 突起 25 窪み部分 26 回転止め機構 27 操作ダイヤル 32 異形頭部 36 車高目盛り DESCRIPTION OF SYMBOLS 1 Hydraulic shock absorber 2 Cylinder of hydraulic shock absorber 3 Upper mounting eye 4 Upper cap 6 Collar 9 Housing 10 Cylinder chamber 11 Jack cylinder 13 Suspension spring 14 Pump body 16 Piston 17 Screw rod 18 Nut 20 Oil chamber 21 Through hole 22 Bolt member 23 Overhanging part 24 Projection 25 Depressed part 26 Rotation stop mechanism 27 Operation dial 32 Irregular head 36 Height scale

Claims (3)

【特許請求の範囲】[Claims] 【請求項1】 油圧緩衝器に対して同軸状態に配置した
ジャッキシリンダで懸架ばねの一端を支持し、当該ジャ
ッキシリンダに付設したポンプシリンダのピストン操作
でジャッキシリンダへとオイルを給排しつつ、油圧緩衝
器の懸架ばね荷重を変えて車高の調整を行うようにした
車高調整機構付きの油圧緩衝器において、ポンプシリン
ダの軸線を油圧緩衝器の軸線と同じ向きに並べて当該油
圧緩衝器の側面に配置し、かつ、ポンプシリンダのピス
トン操作部をジャッキシリンダの軸線方向に向けて相対
変位可能に付設したことを特徴とする車高調整機構付き
油圧緩衝器。
An end of a suspension spring is supported by a jack cylinder arranged coaxially with a hydraulic shock absorber, and oil is supplied to and discharged from the jack cylinder by operating a piston of a pump cylinder attached to the jack cylinder. In a hydraulic shock absorber with a vehicle height adjustment mechanism that adjusts the vehicle height by changing the suspension spring load of the hydraulic shock absorber, the axis of the pump cylinder is arranged in the same direction as the axis of the hydraulic shock absorber, and A hydraulic shock absorber with a vehicle height adjusting mechanism, wherein the hydraulic shock absorber is disposed on a side surface and a piston operating portion of a pump cylinder is provided so as to be relatively displaceable in an axial direction of a jack cylinder.
【請求項2】 ジャッキシリンダとポンプシリンダとの
間に、軸線方向への相対変位を許容しつつ円周方向への
動きを制限する回転止め機構を介装して両者を互に関連
づけた請求項1の車高調整機構付き油圧緩衝器。
2. A device according to claim 1, further comprising a rotation stopping mechanism interposed between the jack cylinder and the pump cylinder for restricting movement in the circumferential direction while allowing relative displacement in the axial direction. 1. A hydraulic shock absorber with a vehicle height adjustment mechanism.
【請求項3】 軸線方向に相対変位するジャッキシリン
ダとポンプシリンダの境界部分に、ジャッキシリンダに
対するポンプシリンダの相対変位量をそのときの車高と
して表示する車高目盛りを設けた請求項2の車高調整機
構付き油圧緩衝器。
3. The vehicle according to claim 2, wherein a vehicle height scale is provided at a boundary between the jack cylinder and the pump cylinder, which is relatively displaced in the axial direction, to indicate a relative displacement amount of the pump cylinder with respect to the jack cylinder as a vehicle height at that time. Hydraulic shock absorber with high adjustment mechanism.
JP30031799A 1999-10-22 1999-10-22 Hydraulic shock absorber with vehicle height adjustment mechanism Expired - Fee Related JP3960506B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP30031799A JP3960506B2 (en) 1999-10-22 1999-10-22 Hydraulic shock absorber with vehicle height adjustment mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP30031799A JP3960506B2 (en) 1999-10-22 1999-10-22 Hydraulic shock absorber with vehicle height adjustment mechanism

Publications (2)

Publication Number Publication Date
JP2001124129A true JP2001124129A (en) 2001-05-08
JP3960506B2 JP3960506B2 (en) 2007-08-15

Family

ID=17883336

Family Applications (1)

Application Number Title Priority Date Filing Date
JP30031799A Expired - Fee Related JP3960506B2 (en) 1999-10-22 1999-10-22 Hydraulic shock absorber with vehicle height adjustment mechanism

Country Status (1)

Country Link
JP (1) JP3960506B2 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005014887A (en) * 2003-06-04 2005-01-20 Showa Corp Vehicle height adjusting device of hydraulic shock absorber for motorcycle
JP2006137387A (en) * 2004-11-15 2006-06-01 Honda Motor Co Ltd Cushion unit for motorcycle
JP2017067279A (en) * 2015-10-02 2017-04-06 株式会社ショーワ Buffer
CN107531122A (en) * 2015-05-12 2018-01-02 Zf腓特烈斯哈芬股份公司 Adjustable spring fastening
KR20180008546A (en) * 2015-05-12 2018-01-24 젯트에프 프리드리히스하펜 아게 Adjustable Spring Support

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5190298B2 (en) * 2008-05-21 2013-04-24 ヤマハ発動機株式会社 Cushion unit and motorcycle equipped with the same

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005014887A (en) * 2003-06-04 2005-01-20 Showa Corp Vehicle height adjusting device of hydraulic shock absorber for motorcycle
JP4509600B2 (en) * 2003-06-04 2010-07-21 株式会社ショーワ Vehicle height adjustment device for hydraulic shock absorbers such as motorcycles
JP2006137387A (en) * 2004-11-15 2006-06-01 Honda Motor Co Ltd Cushion unit for motorcycle
JP4673607B2 (en) * 2004-11-15 2011-04-20 本田技研工業株式会社 Motorcycle cushion unit
CN107531122A (en) * 2015-05-12 2018-01-02 Zf腓特烈斯哈芬股份公司 Adjustable spring fastening
KR20180005687A (en) * 2015-05-12 2018-01-16 젯트에프 프리드리히스하펜 아게 Adjustable Spring Support
KR20180008546A (en) * 2015-05-12 2018-01-24 젯트에프 프리드리히스하펜 아게 Adjustable Spring Support
KR102444888B1 (en) * 2015-05-12 2022-09-19 젯트에프 프리드리히스하펜 아게 adjustable spring support
KR102456303B1 (en) * 2015-05-12 2022-10-20 젯트에프 프리드리히스하펜 아게 adjustable spring support
JP2017067279A (en) * 2015-10-02 2017-04-06 株式会社ショーワ Buffer

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