JPS58203243A - Spring load adjusting device in hydraulic buffer - Google Patents
Spring load adjusting device in hydraulic bufferInfo
- Publication number
- JPS58203243A JPS58203243A JP8537282A JP8537282A JPS58203243A JP S58203243 A JPS58203243 A JP S58203243A JP 8537282 A JP8537282 A JP 8537282A JP 8537282 A JP8537282 A JP 8537282A JP S58203243 A JPS58203243 A JP S58203243A
- Authority
- JP
- Japan
- Prior art keywords
- cam
- housing
- piston
- cam member
- spring load
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/02—Spring characteristics, e.g. mechanical springs and mechanical adjusting means
- B60G17/027—Mechanical springs regulated by fluid means
- B60G17/0272—Mechanical springs regulated by fluid means the mechanical spring being a coil spring
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Axle Suspensions And Sidecars For Cycles (AREA)
- Fluid-Damping Devices (AREA)
Abstract
Description
【発明の詳細な説明】
本発明はばね荷重調整装置に関し、更に詳しくは初期押
圧力を車体の重量、走路条件等に応じて適当な値に設定
できるようにした二輪車用フロントフォーク等の油圧緩
衝器におけるばね荷重調整装置に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a spring load adjustment device, and more specifically to a hydraulic shock absorber for a front fork of a two-wheeled vehicle, which allows the initial pressing force to be set to an appropriate value depending on the weight of the vehicle body, road conditions, etc. This invention relates to a spring load adjustment device for a device.
一般に二輪車用フロントフォークは走行中に車体が路面
から受ける振動や衝撃を緩和する為にオイルダンパーと
コイルばねによって形成されるが、その為には予めコイ
ルばねの初期押圧力を車体の重量、路面条件等に応じて
適当な値に設定しておかなければならず、又車体に乗る
人の体重や荷物の重量に応じて初期押圧力を調整するコ
イルばねの負荷調整装置も併せて必要となる。Generally, front forks for two-wheeled vehicles are formed by an oil damper and a coil spring in order to alleviate the vibrations and shocks that the vehicle body receives from the road surface while driving. It must be set to an appropriate value depending on the conditions, etc., and a coil spring load adjustment device is also required to adjust the initial pressing force according to the weight of the person riding on the vehicle and the weight of the luggage. .
この為、本出願人は従来のばね負荷調整装置として、例
えば実開昭５５−１５４８３９号公開公報に開示された
ものを開発している。For this reason, the present applicant has developed a conventional spring load adjusting device disclosed in, for example, Japanese Unexamined Utility Model Publication No. 154839/1983.
このものは上下二つのカム部材を回転自在に配設させ、
このカム部材の内側又は外側に操作ロッドを上下移動自
在に挿入させ、上記二つのカム部材には相対向するカム
面をそれぞれ形成し、又操作ロッドにはカム面側に突出
するピンを突設させ、操作ロッドな下方に押すとピンが
下部カム部材のカム面に当って下部カム部材及びこれと
連動する上部カム部材を回動し、次に操作ロッド・の押
圧力を停止するとピンが上部カム部材の別のカム面と噛
合し、ピンが噛合するカム面の高さに応じたばね荷重が
設定されるようにしたものである。This one has two upper and lower cam members rotatably arranged,
An operating rod is inserted into the inside or outside of this cam member so as to be able to move up and down, and each of the two cam members has a cam surface that faces each other, and a pin that projects toward the cam surface side is provided on the operating rod. When the operating rod is pushed downward, the pin hits the cam surface of the lower cam member and rotates the lower cam member and the upper cam member that interlocks with it. Then, when the operating rod's pressing force is stopped, the pin moves upward. The pin meshes with another cam surface of the cam member, and the spring load is set according to the height of the cam surface with which the pin meshes.
しかしながら、上記のばね荷重調整装置は操作が簡単で
製作が容易である反面、ばね荷重をピンが担持すること
となり、高荷重のばね力の場合にはピン自体強度不足と
なり、ピンがはずれたり、屈曲してしまい具合が悪い場
合がある。However, although the above spring load adjustment device is easy to operate and manufacture, the pin carries the spring load, and in the case of a high spring force, the pin itself may not be strong enough, causing the pin to come off, or It may bend and cause discomfort.
そこでピンに強度を持たせるにはピンの外径を太くすれ
ばある程度この欠点を解決する反面、上下のカム部材間
の間隔を大きくする必要があり、油圧緩衝器自体の長手
方向の長さが長くなり、大形になってしまうという欠点
が生じる。Therefore, in order to give strength to the pin, this drawback can be solved to some extent by increasing the outer diameter of the pin, but on the other hand, it is necessary to increase the distance between the upper and lower cam members, and the length of the hydraulic shock absorber itself in the longitudinal direction is increased. The drawback is that it becomes long and large.
従って本発明の目的は高荷重のばね力も支持できるよう
なオートバイのフロントフォーク又はリヤクッションユ
ニット等の使用に好適な油圧緩衝器におけるばね荷重調
整装置を提供することである。SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a spring load adjusting device for a hydraulic shock absorber suitable for use in a front fork or rear cushion unit of a motorcycle, which can support a high spring force.
本発明はこの目的達成の為、ばね荷重を機械的に担持す
る上下二つのカム部材とハウジング。To achieve this objective, the present invention provides two upper and lower cam members and a housing that mechanically carry the spring load.
カム部材とスプリングシートを油圧又は空圧で押し上げ
るピストン、及びカム部材が上昇し九時カム面に噛合し
てカム部材を回転させるピンとからなることを特徴とす
るものである。It is characterized by comprising a piston that pushes up the cam member and the spring seat using hydraulic or pneumatic pressure, and a pin that causes the cam member to rise and engage with the nine o'clock cam surface to rotate the cam member.
以下本発明の実施の態様を図面について説明する。Embodiments of the present invention will be described below with reference to the drawings.
油圧緩衝器（１）はシリンダ（２）と、シリンダ（２）
内にピストン（３）を介して摺動自在に挿入されたピス
トンロッド（４）′と、ピストンロッド（４）端部とシ
リンダ（２）端部に設けたブラケット（５１＋６１と、
シリンダ外周に摺動自在に挿入されたスプリングシー
トｆ７１及びピストンロッド上部に設けたスプリングシ
ート（８）と、これらスプリングシート＋７１１８＋間
に伸縮自在に介装された懸架ばね（９）とからなり、ブ
ラケット（５）は二輪車等の車体側に保持され、他方の
ブラケット（６）は車輪側に保持され、懸架ばね（９）
は常時ピストンロッド（４）を伸長方向に附勢している
。The hydraulic shock absorber (1) has a cylinder (2) and a cylinder (2).
A piston rod (4)' is slidably inserted into the piston (3) via the piston (3), and brackets (51+61) are provided at the end of the piston rod (4) and the end of the cylinder (2).
A spring seat slidably inserted into the outer circumference of the cylinder.
It consists of a spring seat (8) provided on the upper part of the piston rod and the spring seat +7118+, and a suspension spring (9) telescopically interposed between these spring seats +7118+, and the bracket (5) is held on the vehicle body side of a motorcycle or the like. The other bracket (6) is held on the wheel side, and the suspension spring (9)
always urges the piston rod (4) in the direction of extension.
本発明は上記油圧緩衝器（１）に於て、下部スプリング
シート（７）の高さ位置を選択することにより懸架ばね
（９）の初期ばね荷重を調整するものである。The present invention adjusts the initial spring load of the suspension spring (9) in the hydraulic shock absorber (1) by selecting the height position of the lower spring seat (7).
シリンダ（２）の下部に円筒状のハウジングＨが口芯に
配設され、このハウジングｔｉｔｉはシリンダ＋２＋
（ｌｌｊｌにスナップリングα力を介して着脱自在に固
定されている。ハウジングａ１の固定は溶接その他公知
の方法で止めることが可能である。A cylindrical housing H is disposed at the bottom of the cylinder (2) at the center of the mouth, and this housing is connected to the cylinder +2+
(It is removably fixed to lljl via a snap ring α force. The housing a1 can be fixed by welding or other known methods.
シリンダ（２）外周とハウジング０１ｍ内周間には圧力
室（１２が区画され、この圧力室（６）内には円筒状の
ピストン（２）が上下移動自在に挿入され、圧力室（ロ
）はハウジング（ＩＩとピストン（２）内周に設けたシ
ール０４ Ｑｄ ０６を介して密封されている。A pressure chamber (12) is defined between the outer periphery of the cylinder (2) and the inner periphery of the housing 01m, and a cylindrical piston (2) is inserted into this pressure chamber (6) so as to be able to move up and down. are sealed via seals 04 Qd 06 provided on the inner peripheries of the housing (II) and the piston (2).
ピストン（２）の上部には外方に突出する係止部（１３
ａ）が設けられている。At the top of the piston (2) there is a locking part (13) that protrudes outward.
a) is provided.
圧力室（６）に於て、ピストン（至）下部にはハウジン
グαωに設けだ通孔α力より油圧又は空圧が給排され、
例えば油圧が導かれると懸架ばね（９）に抗してピスト
ン（至）が上昇し、４油・圧が排出されるとピストンα
■は懸架ばね（９）の復元力で下降するようになってい
る。In the pressure chamber (6), hydraulic or pneumatic pressure is supplied and discharged from a through hole α provided in the housing α at the bottom of the piston (toward),
For example, when hydraulic pressure is introduced, the piston (to) rises against the suspension spring (9), and when the four oil pressure is discharged, the piston α
(2) is adapted to be lowered by the restoring force of the suspension spring (9).
通孔α力はホーλα→を介して油圧又は空圧の圧力源に
導かれている。矛１図は圧力源としてポンプ（至）が接
続され、このポンプ（至）はシリンダ翰とシリンダ（イ
）内に移動自在に挿入されたピストン（ハ）とからなり
、ピストンシカに連結されたねじ桿（２）を一方向に回
動するとピストン＠が右行し。The through hole α force is led via the hole λα→ to a hydraulic or pneumatic pressure source. In Figure 1, a pump (see) is connected as a pressure source, and this pump (see) consists of a cylinder holder and a piston (c) movably inserted into the cylinder (a), which is connected to the piston. When the screw rod (2) is rotated in one direction, the piston @ moves to the right.
油室（２）の油がホースα時を介して圧力室（ｌ、１に
導かれ、又ねじ桿（ハ）を他方に回動するとピストン＆
ｊが左行し、圧力室（至）の油を油室（至）に吸い込ま
せるようにしている。The oil in the oil chamber (2) is led to the pressure chamber (l, 1) via the hose α, and when the screw rod (c) is rotated in the other direction, the piston &
j moves to the left so that the oil in the pressure chamber (to) is sucked into the oil chamber (to).
ハウジング０■は矛１図、牙２図に示すように一内周に
段部（ハ）を形成し、上端に複数、例えば四つ、のスト
ッパー（ハ）が上方に突出し、又胴部外周に複数の係止
溝（２）が縦方向に形成され、更に前記ストッパー（イ
）に近接して１つ又は相対向二つのピン（５）が横方向
に向けて植設されている。As shown in Figures 1 and 2, the housing 0■ has a step (C) formed on its inner periphery, a plurality of stoppers (C), for example four, protruding upward from the upper end, and a stepped portion (C) on the outer periphery of the body. A plurality of locking grooves (2) are formed in the vertical direction, and one or two opposing pins (5) are installed in the horizontal direction adjacent to the stopper (A).
ピン（ロ）は全てのストッパー（ハ）に近接して設ける
ことも可能である。又このピン（支）は円筒体凶の孔（
２９ａ）より差し込まれる。It is also possible to provide the pins (b) close to all the stoppers (c). Also, this pin (support) has a hole in the cylindrical body (
29a).
ハウジング００の外周と上端に対向する位置に調整カム
■が回転方向及び軸方向移動自在に配設されている。An adjustment cam (2) is disposed at a position facing the outer periphery and upper end of the housing 00 so as to be movable in the rotational and axial directions.
この調整カム（ハ）は円筒体−と、この円筒体−の内周
に任意の間隔Ｙを置いて固定された上部カム部材（イ）
と下部カム部材Ｇ１１とからなり、これらの円筒体−と
カム部材（至）Ｇυは同時上下方向及び回転方向に移動
するよう：：になっている。This adjustment cam (c) consists of a cylindrical body and an upper cam member (a) fixed to the inner circumference of this cylindrical body at an arbitrary interval Y.
and a lower cam member G11, and these cylindrical bodies and the cam member Gυ are configured to move simultaneously in the vertical direction and in the rotational direction.
上部カム部材（イ）は円筒体からなり、その下面に階段
状に多数設けられたカム面αｌ ｈＴ Ｃ，ｄはハウジ
ングａ〔のストッパー（イ）と対向し、このストッパー
（ハ）がカム面α、ｂ、ｃ、ｄのいずれか一つに選択的
に噛合し、選択されたカム面の高さに応じたばね荷重が
設定されるようになっている。The upper cam member (A) is made of a cylindrical body, and a number of cam surfaces αl hT C, d provided in a stepped manner on its lower surface face the stopper (A) of the housing a, and this stopper (C) is connected to the cam surface. It selectively engages with any one of α, b, c, and d, and the spring load is set according to the height of the selected cam surface.
上記カム面α、 Ａ、 Ｃ，ｄが一組となり、各組が四
ケ所上部カム部材（ト）の下面に設けられているが。The cam surfaces α, A, C, and d form one set, and each set is provided at four locations on the lower surface of the upper cam member (G).
上部カム部材（１）の下面に高さの異なるカム面を多数
円周方向に設けてもよく、父上記各組の数も任意に成形
可能である。A large number of cam surfaces having different heights may be provided in the circumferential direction on the lower surface of the upper cam member (1), and the number of each set can be formed arbitrarily.
下部カム部材Ｃ３１＋の上端には四つののこぎり歯ｅ、
ｆ、）、ｈが上部に向けて設けられ、こののこぎり歯ｇ
ｊ、ｙ、Ａノ上部テーパ面Ｐ、Ｑ、Ｒ，Ｓは前記カム面
α、ｂ、ｃ、ｄ及びピン（ハ）と対向し、下部カム部材
！３＋）が上昇するとテーパ面Ｐ、Ｑ、Ｒ，Ｓのいずれ
かにピン（ロ）が当接し、この時ビン（イ）が固定され
ていることからピン＠にテーパ面が押されてカム部材（
ト）０１１が一方向に回転するようになっている。The upper end of the lower cam member C31+ has four saw teeth e,
f, ), h are provided toward the top, and this sawtooth g
The upper tapered surfaces P, Q, R, and S of j, y, and A face the cam surfaces α, b, c, and d and the pin (c), and the lower cam member! 3+) rises, the pin (B) comes into contact with one of the tapered surfaces P, Q, R, and S. At this time, since the bottle (A) is fixed, the tapered surface is pushed by the pin @ and the cam member (
g) 011 rotates in one direction.
下部カム部材Ｇυの胴部には孔Ｃ３３が半径方向に穿た
れ、この孔（至）内には係止ボール（至）とスプリング
（ロ）からなる位置決め機構（至）が挿入され、これら
の位置決め機構（至）は下部カム部材Ｃ３１１の回転時
にハウジング０ωの外周に設けた係止溝（ハ）のいずれ
か一つ、と選択的に噛合し、これにより調整カム（至）
の位置を決めると同時に外部からこの位置決め機構（３
つの位置を検知することによりばね荷重の大きさを確認
できるようになっている。A hole C33 is bored in the body of the lower cam member Gυ in the radial direction, and a positioning mechanism (to) consisting of a locking ball (to) and a spring (b) is inserted into this hole (to), and these The positioning mechanism (to) selectively engages with one of the locking grooves (c) provided on the outer periphery of the housing 0ω when the lower cam member C311 rotates, and thereby the adjustment cam (to)
This positioning mechanism (3
By detecting the two positions, the magnitude of the spring load can be confirmed.
位置決め機構（ハ）は蓋（ト）で抜は止めされている。The positioning mechanism (c) is prevented from being removed by a lid (g).
Ｃ才２図、牙３図）
ピストン（至）の係止部（１３ａ）の上端は上部カム部
材（ト）のカム面に対向し、又ピストン０の上端はスプ
リングシート（７）に対向し、この時上部カム部材（至
）と係止部（１３α）間の隙間ｌｌとピストンα３の上
端とスプリングシート（月間の隙間ｌユはｌ！、＞Ｉ！
。The upper end of the locking part (13a) of the piston (to) faces the cam surface of the upper cam member (g), and the upper end of piston 0 faces the spring seat (7). , At this time, the gap between the upper cam member (to) and the locking part (13α) and the upper end of the piston α3 and the spring seat (the monthly gap is l!, >I!
.
となるようにあらかじめ成形されており、これによりピ
ストン（至）が上昇し九時スプリングシート（７）と懸
架ばね（９）が先に押し上げられ、又後から上部カム部
材（１）が押し上げられた時でもスプリングシート（力
と上部カム部材（至）間には隙間ｌ／と旬の差分の隙間
が形成され、これにより懸架ばね（９）のばね力は調整
カム翰全体に作用せず、調整カム（至）が自由に回転で
きるようになっている。Ｃ矛１図）
次に作動について述べる。As a result, the piston (to) rises and the nine o'clock spring seat (7) and suspension spring (9) are pushed up first, and the upper cam member (1) is pushed up afterwards. Even when the spring seat (force) and the upper cam member (to) are adjusted, a gap is formed between the spring seat (force) and the upper cam member (total), and as a result, the spring force of the suspension spring (9) does not act on the entire adjustment cam holder. The adjustment cam (to) can be rotated freely (Fig. 1) Next, the operation will be described.
矛１図、矛３図の状態はハウジングα〔のストッパー（
ハ）が上部カム部材（１）のカム面αに噛合し、このカ
ム面ａの高さに応じたばね荷重になっている。The states shown in figures 1 and 3 are the stopper of the housing α (
c) meshes with the cam surface α of the upper cam member (1), and has a spring load corresponding to the height of the cam surface a.
この状態から例えばストッパー（ハ）をカム面Ｃに噛合
し、このカム面Ｃに対応するばね荷重に調整する場合に
は次のように行う。From this state, for example, when the stopper (c) is engaged with the cam surface C and the spring load is adjusted to correspond to the cam surface C, the following procedure is performed.
先ず圧力源より例えば油圧を圧力室（２）に供給すると
ピストンＱｌが上昇し、その先端がスプリングシート（
力を最大限係止ピン０７）に当る位置まで押し上げ、懸
架ばね（９）を撓わませておく。一方わずかにおくれで
ピストンｏｊの係止部（１３α）が上部カム部材（１）
を押し上げる。First, when, for example, hydraulic pressure is supplied from a pressure source to the pressure chamber (2), the piston Ql rises and its tip touches the spring seat (
Push up the force as much as possible to the position where it hits the locking pin 07) and keep the suspension spring (9) flexed. On the other hand, the locking part (13α) of the piston oj is slightly delayed and the upper cam member (1)
push up.
上部カム部材（イ）が押し上げられるとこれと結合する
円筒体−と下部カム部材（３１１も一諸に押し上げられ
、ハウジング＋１１に設けたピン（ハ）が下部部材ＣＤ
のテーパ面Ｐ、Ｑ、Ｒ，Ｓに当る。この時又プリングシ
ート（力と上部カム部材（１）間には隙間’／ ＋ １
２の差分の隙間があるからカム部材（１）Ｃ１ｌｌ及び
円筒体−からなる調整カム（ハ）は自由に回転できるよ
うになっている。従って矛３図のように、ピン（イ）が
例えばテーパ面Ｑのｍの位置に当り。When the upper cam member (A) is pushed up, the cylindrical body - and the lower cam member (311) that are connected to it are also pushed up together, and the pin (C) provided on the housing +11 is moved to the lower member CD.
This corresponds to the tapered surfaces P, Q, R, and S of. At this time, there is also a gap between the pulling seat (force and the upper cam member (1) '/ + 1
Since there is a gap corresponding to a difference of 2, the adjustment cam (c) consisting of the cam member (1) C1ll and the cylindrical body can freely rotate. Therefore, as shown in Figure 3, the pin (A) hits, for example, the position m of the tapered surface Q.
この状態で更に調整カム（ハ）が上昇するとピン（イ）
は固定されているからピン（イ）に押されて調整カム弼
が回転し、又ピン勾はテーパ面Ｑに沿ってルの位置まで
変位する。In this state, if the adjustment cam (c) rises further, the pin (a)
Since is fixed, the adjustment cam 2 rotates when pushed by the pin (a), and the pin slope is displaced along the tapered surface Q to the position 2.
このルの位置はカム面Ｃに対向する位置であり、この位
置は位置決めの機構（至）の位置を外部から確認する。This position is opposite to the cam surface C, and this position allows the position of the positioning mechanism to be confirmed from the outside.
ピン（ロ）がｎの位置に来た時圧力室（６）の圧油を抜
き、ピストンＱｌの上昇と調整カム弼の回転を中止する
。When the pin (B) reaches position n, the pressure oil in the pressure chamber (6) is removed, and the lifting of the piston Ql and the rotation of the adjustment cam 2 are stopped.
ピン（ハ）がｎの位置にあるということは、逆に上部カ
ム部材（１）のカム面Ｃがストッパー（ハ）と対向した
ということである。The fact that the pin (c) is at position n means that the cam surface C of the upper cam member (1) faces the stopper (c).
一方圧力室（２）の圧を抜くと、ピストン（至）は懸架
ばね（９）の復元力でスプリングシート（７）を介して
下方に押され、更にスプリングシート（７）が上部カム
部材（１）に当接した状態で調整カム（ハ）が下方に押
され、これによりストッパー（ハ）がカム面Ｃに噛合す
る。この状態ではストッパー（ハ）の噛合と位置決め機
構（ハ）の保持力でもはや調整カム（ハ）は移動せず、
カム面Ｃの高さに応じた懸架ばね（９）の初期ばね荷重
が設定されることとなる。On the other hand, when the pressure in the pressure chamber (2) is released, the piston (to) is pushed downward via the spring seat (7) by the restoring force of the suspension spring (9), and the spring seat (7) is further pushed downward by the upper cam member ( The adjustment cam (C) is pushed downward while in contact with 1), and the stopper (C) engages with the cam surface C. In this state, the adjustment cam (C) no longer moves due to the engagement of the stopper (C) and the holding force of the positioning mechanism (C).
The initial spring load of the suspension spring (9) is set according to the height of the cam surface C.
この場合懸架ばね（９）の担持は上部カム部材■とスト
ッパー（ハ）を介して全てハウジングＱ１１が受けるこ
ととなり、ばね荷重が高荷重であっても十分に耐えられ
るものである。In this case, the suspension spring (9) is entirely supported by the housing Q11 via the upper cam member (2) and the stopper (C), and even if the spring load is high, it can sufficiently withstand it.
以上のように本発明によれば、
■ばね荷重をハウジングが担持するから高荷重用にも十
分に使用可能である。As described above, according to the present invention, (1) since the housing carries the spring load, it can be used satisfactorily even for high-load applications.
■ピストンを油圧又は空圧で押し上げなからばね荷重の
調整を行えるから遠隔操作が可能で、油圧緩衝器の取り
付は位置にかかわらず調整できるものであ、、、る。■Since the piston is not pushed up by hydraulic or pneumatic pressure, the spring load can be adjusted, so remote control is possible, and the installation of the hydraulic shock absorber can be adjusted regardless of its position.
■ピストンを駆動するだげで調整可能であり、ピストン
の駆動は油圧又は空圧で行うから調整が自動的であり、
且つ作業者の力を必要と巳ないから操作性が良好である
。■It can be adjusted simply by driving the piston, and since the piston is driven by hydraulic or pneumatic pressure, adjustment is automatic.
In addition, since no force is required from the operator, operability is good.
添附図面は本発明の実施の態様に係り、牙１図は本発明
のばね荷重調整装置を使用した油圧緩衝器の縦断正面図
、矛２図は調整カムの分解斜視図、牙３図はハウジング
と下部カム部材の横断平面図、牙４図は調整カムとハウ
ジングの展開図であ゛る。
（２）・・・シリンダ、αｌ・・・ハウジング、（Ｉｎ
・・・ピストン−（ハ）・・φストッパー、＠・・・ピ
ン。
（ハ）・・・調整カム、翰・争・円筒体、（イ）Ｇｌｌ
−・カム部材、Ｐ、Ｑ、Ｒ，５−−−テーパ面、ａ、ｈ
、ｃ、ｄ ＊＊＊ カム面。
代理人弁理士
大野 泉
−あThe attached drawings relate to embodiments of the present invention, in which Figure 1 is a longitudinal sectional front view of a hydraulic shock absorber using the spring load adjustment device of the present invention, Figure 2 is an exploded perspective view of an adjustment cam, and Figure 3 is a housing. Figure 4 is a cross-sectional plan view of the lower cam member, and Figure 4 is a developed view of the adjustment cam and housing. (2)...Cylinder, αl...Housing, (In
... Piston - (c) ... φ stopper, @... pin. (c)...adjustment cam, wire, cylinder, (b) Gll
---Cam member, P, Q, R, 5---Tapered surface, a, h
, c, d *** Cam surface. Representative Patent Attorney Izumi Ohno
Claims (2)
シリンダとハウジング間にピストンを摺動自在に挿入さ
せ、ハウジングの外周には円筒体と、この円筒体内に設
けた上下二つのカム部材とからなる調整カムを上下方向
及び回転方向移動自在に配設し、ハウジングの上部には
上部カム部材のカム面の一つと対向するストッパーを起
豆させ、又ハウジングの胴部には下部カム部材のテーパ
面と対向するピンを突出させ、ピストンはピストン上昇
時に上部カム部材に先行してスプリングシートを押し上
げるようにし、更にピストンは油圧又は空圧で上下駆動
されるようにした油圧緩衝器におけるばね荷重調整装置
。(1) A housing is arranged around the outer periphery of the cylinder, a piston is slidably inserted between the cylinder and the housing, and a cylindrical body and two upper and lower cam members provided inside the cylindrical body are attached to the outer periphery of the housing. An adjustment cam is disposed to be movable in the vertical and rotational directions, and the upper part of the housing has a stopper that faces one of the cam surfaces of the upper cam member, and the body of the housing has a stopper that faces one of the cam surfaces of the lower cam member. Spring load adjustment in a hydraulic shock absorber in which a pin facing the surface protrudes so that the piston pushes up the spring seat before the upper cam member when the piston rises, and the piston is driven up and down by hydraulic or pneumatic pressure. Device.
とスプリングシート間の隙間らと、係止部と上部カム部
材との間の隙間Ｊ、とは、ｌ／”：）ｌ。 となるように成形した特許請求の範囲矛１項記載の油圧
緩衝器におけるばね荷重調整装置。(2) A locking portion is provided on the outer periphery of the piston, and the gap between the upper end of the piston and the spring seat and the gap J between the locking portion and the upper cam member are l/”:)l. A spring load adjusting device for a hydraulic shock absorber according to claim 1, which is formed as follows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8537282A JPS58203243A (en) | 1982-05-20 | 1982-05-20 | Spring load adjusting device in hydraulic buffer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8537282A JPS58203243A (en) | 1982-05-20 | 1982-05-20 | Spring load adjusting device in hydraulic buffer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58203243A true JPS58203243A (en) | 1983-11-26 |
| JPH0243053B2 JPH0243053B2 (en) | 1990-09-27 |
Family
ID=13856882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8537282A Granted JPS58203243A (en) | 1982-05-20 | 1982-05-20 | Spring load adjusting device in hydraulic buffer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58203243A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1927487A2 (en) | 2006-12-01 | 2008-06-04 | Audi Ag | Height adjustment device for wheel suspensions in motor vehicles |
| EP3943775A4 (en) * | 2019-03-22 | 2022-12-28 | KYB Motorcycle Suspension Co., Ltd. | Suspension device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5281824A (en) * | 1975-05-28 | 1977-07-08 | Girling Ltd | Suspension unit for vehicle |
-
1982
- 1982-05-20 JP JP8537282A patent/JPS58203243A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5281824A (en) * | 1975-05-28 | 1977-07-08 | Girling Ltd | Suspension unit for vehicle |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1927487A2 (en) | 2006-12-01 | 2008-06-04 | Audi Ag | Height adjustment device for wheel suspensions in motor vehicles |
| EP1927487A3 (en) * | 2006-12-01 | 2008-09-24 | Audi Ag | Height adjustment device for wheel suspensions in motor vehicles |
| EP3943775A4 (en) * | 2019-03-22 | 2022-12-28 | KYB Motorcycle Suspension Co., Ltd. | Suspension device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0243053B2 (en) | 1990-09-27 |
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