JPS6346297B2 - - Google Patents
Info
- Publication number
- JPS6346297B2 JPS6346297B2 JP57101790A JP10179082A JPS6346297B2 JP S6346297 B2 JPS6346297 B2 JP S6346297B2 JP 57101790 A JP57101790 A JP 57101790A JP 10179082 A JP10179082 A JP 10179082A JP S6346297 B2 JPS6346297 B2 JP S6346297B2
- Authority
- JP
- Japan
- Prior art keywords
- joint metal
- adjustment
- adjuster
- fitted
- rod
- 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.)
- Expired
Links
Classifications
-
- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/44—Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction
- F16F9/46—Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction allowing control from a distance, i.e. location of means for control input being remote from site of valves, e.g. on damper external wall
- F16F9/461—Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction allowing control from a distance, i.e. location of means for control input being remote from site of valves, e.g. on damper external wall characterised by actuation means
- F16F9/462—Rotary actuation means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
Description
【発明の詳細な説明】
本発明は二輪車等の車体と後輪を懸架する油圧
緩衝器の発生減衰力を遠隔操作により調整するよ
うにした減衰力調整装置に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a damping force adjusting device for adjusting the damping force generated by a hydraulic shock absorber that suspends a vehicle body and a rear wheel of a motorcycle or the like by remote control.
油圧緩衝器の発生減衰力を調整する装置として
ピストンロツドの一端に結着したジヨイントメタ
ル内に回動自在に軸支した調整ダイヤルを手で回
わし、これによりピストンロツド内に嵌装した調
整ロツドを回動せしめて作動油の流路面積を変化
させる式のものが知られている。 As a device for adjusting the damping force generated by the hydraulic shock absorber, an adjustment dial rotatably supported in a joint metal attached to one end of the piston rod is turned by hand, thereby adjusting the adjustment rod fitted inside the piston rod. There is a known type that rotates to change the flow area of hydraulic oil.
しかし、斯る減衰力調整装置を二輪車等の車両
に用いられる油圧緩衝器に適用した場合、その操
作部が狭くて作業性が悪く、調整に多大な労力を
要するとともに、車両を一旦停止させて調整しな
ければならない等の不具合があつた。 However, when such a damping force adjustment device is applied to a hydraulic shock absorber used in a vehicle such as a two-wheeled vehicle, the operating section is narrow and workability is poor, requiring a great deal of effort to adjust, and it is difficult to temporarily stop the vehicle. There were some problems that required adjustments.
このため、遠隔により減衰力を調整する方法も
今まで種々提案されてはいるが、何れも構造が複
雑で部品点数が多く、必ずしも実用的なものとは
言い難い。 For this reason, various methods of remotely adjusting the damping force have been proposed, but all of them have complicated structures and a large number of parts, and are not necessarily practical.
本発明者等は斯る不具合を有効に解消すべく本
発明を成したもので、その目的とする処は、車体
側のジヨイントメタルの下部に孔を設け、該ジヨ
イントメタルの孔に中空ピストンロツドの上端部
を結着し、該ジヨイントメタル孔内に回転力を伝
達するワイヤーケーブルを貫設し、該ケーブルの
一端に固着したアジヤスタを中空ロツド内に挿入
した調整ロツドに一体に回動すべく係合するとと
もに、ケーブルの他端に調整ダイヤルを結着する
ことにより、構造単純にして且つ容易に遠隔で減
衰力を調整し得るようにした油圧緩衝器の減衰力
調整装置を提供するにある。 The inventors of the present invention have developed the present invention in order to effectively eliminate such problems. The upper end of the piston rod is tied together, a wire cable for transmitting rotational force is inserted through the joint metal hole, and the adjuster fixed to one end of the cable is rotated integrally with the adjustment rod inserted into the hollow rod. To provide a damping force adjusting device for a hydraulic shock absorber, which has a simple structure and can easily adjust the damping force remotely by engaging the two ends of the cable and connecting an adjustment dial to the other end of the cable. It is in.
以下に本発明の好適一実施例を添付図面に基づ
いて詳述する。 A preferred embodiment of the present invention will be described in detail below with reference to the accompanying drawings.
第１図は本発明に係る減衰力調整装置を有して
成る油圧緩衝器の一部破断側面図、第２図は第１
図２−２線拡大断面図、第３図は減衰力調整装置
を構成する機構の分解斜視図である。 FIG. 1 is a partially cutaway side view of a hydraulic shock absorber having a damping force adjusting device according to the present invention, and FIG.
FIG. 2 is an enlarged sectional view taken along the line 2-2, and FIG. 3 is an exploded perspective view of a mechanism that constitutes the damping force adjustment device.
第１図に示す油圧緩衝器１において２はシリン
ダであり、このシリンダ２の内部には上方より中
空のピストンロツド３が挿入され、該ピストンロ
ツド３の下方外周にはシリンダ２の内周部に上下
摺動自在に嵌合するピストン４が嵌着せしめられ
ている。又ピストンロツド３の下端外周には下方
が開口したスプリングシート５が螺着せしめら
れ、該スプリングシート５とピストン４間のロツ
ド３の外周にはスリーブ６が嵌合している。 In the hydraulic shock absorber 1 shown in FIG. 1, 2 is a cylinder. A hollow piston rod 3 is inserted into the cylinder 2 from above, and a vertical slide is provided on the lower outer periphery of the piston rod 3 on the inner periphery of the cylinder 2. A movably fitted piston 4 is fitted. A spring seat 5 with an open bottom is screwed onto the outer periphery of the lower end of the piston rod 3, and a sleeve 6 is fitted onto the outer periphery of the rod 3 between the spring seat 5 and the piston 4.
シリンダ２の上端部内周にはピストンロツド３
の外周に摺接するオイルシール７を嵌装して成る
ガイドブツシユ８が嵌着され、該ガイドブツシユ
８の上方は蓋部材９にて被われている。尚図中１
０はストツパプレート、１１はリバウンドラバー
である。 A piston rod 3 is attached to the inner circumference of the upper end of the cylinder 2.
A guide bush 8 is fitted with an oil seal 7 which is in sliding contact with the outer periphery of the guide bush 8, and the upper part of the guide bush 8 is covered with a lid member 9. In addition, 1 in the figure
0 is a stopper plate, and 11 is a rebound rubber.
而してシリンダ２内は前記ピストン４にて上部
作動室S1と下部作動室S2に区画され、夫々の室
S1，S2には作動油が封入されている。 The inside of the cylinder 2 is divided into an upper working chamber S1 and a lower working chamber S2 by the piston 4, and each chamber is divided into an upper working chamber S1 and a lower working chamber S2 .
Hydraulic oil is sealed in S 1 and S 2 .
ところで、前記ピストン４には減衰力を発生す
るバルブ機構１２が設けられている。即ち、前記
スリーブ６の外周にはバルブシート１３が上下摺
動自在に嵌合しており、該バルブシート１３はこ
れ１３と前記スプリングシート５間に張架された
スプリング１４にてピストン４の下面に突設され
た弁座に圧接されている。これにより弁座の内側
にはリング状の圧力室S3が図示の如く形成され、
該圧力室S3と上部作動室S1とはピストン４に穿設
された複数の油路１５…を介して相連通してい
る。 Incidentally, the piston 4 is provided with a valve mechanism 12 that generates a damping force. That is, a valve seat 13 is fitted to the outer periphery of the sleeve 6 so as to be able to slide vertically. The valve seat is pressed into contact with the valve seat that protrudes from the valve seat. As a result, a ring-shaped pressure chamber S3 is formed inside the valve seat as shown in the figure.
The pressure chamber S 3 and the upper working chamber S 1 communicate with each other via a plurality of oil passages 15 bored in the piston 4.
一方、ピストンロツド３の上端にはジヨイント
メタル１６がその下部に穿設された孔により螺着
せしめられ、又ピストンロツド３の内部には図示
の如く小径の調整ロツド１７が回動自在に挿入さ
れている。この調整ロツド１７の下端部には第２
図に示す如き同一円周上に異径のオリフイス１８
ａ…を複数穿設したオリフイスプレート１８が係
合しており、該オリフイスプレート１８のオリフ
イス１８ａ…のうちの１つがプレート１９に穿設
した油路１９ａに適合している。そして、ピスト
ンロツド３と調整ロツド１７間には隙間S4が形成
され、ピストンロツド３の周壁にはこの隙間S4と
上部作動室S1を連通すべく油路２０が穿設されて
いる。 On the other hand, a joint metal 16 is screwed onto the upper end of the piston rod 3 through a hole drilled in its lower part, and a small diameter adjustment rod 17 is rotatably inserted into the inside of the piston rod 3 as shown in the figure. There is. The lower end of this adjustment rod 17 has a second
Orifices 18 with different diameters on the same circumference as shown in the figure
An orifice plate 18 having a plurality of orifices a is engaged with the orifice plate 18, and one of the orifices 18a of the orifice plate 18 is adapted to an oil passage 19a formed in the plate 19. A gap S4 is formed between the piston rod 3 and the adjustment rod 17, and an oil passage 20 is bored in the peripheral wall of the piston rod 3 to communicate this gap S4 with the upper working chamber S1 .
一方、調整ロツド１７の上端は第３図に示す如
く切欠部１７ａが形成され、該切欠部１７ａには
アジヤスタ２１の切欠部２１ａが係合しており、
両者１７，２１は一体に回動すべく構成されてい
る。 On the other hand, the upper end of the adjustment rod 17 is formed with a notch 17a as shown in FIG. 3, and a notch 21a of the adjuster 21 is engaged with the notch 17a.
Both 17 and 21 are configured to rotate together.
又上記ジヨイントメタル１６の孔内で、且つア
ジヤスタ２１の外周には該アジヤスタ２１の切欠
部２１ａが挿通係合すべき半円状溝２２ａを穿設
して成る短筒部材２２が嵌合しており、これの外
周面に設けた溝２２ｂ…には前記ジヨイントメタ
ル１６内に埋設したスプリング２３にて弾発され
たボール２４が当接係合しており、これにより短
筒部材２２には回動の際のクリツク感が付与され
る。 In addition, a short cylindrical member 22 is fitted in the hole of the joint metal 16 and on the outer periphery of the adjuster 21, which has a semicircular groove 22a into which the notch 21a of the adjuster 21 is inserted. A ball 24, which is resiliently activated by a spring 23 embedded in the joint metal 16, abuts and engages with a groove 22b provided on the outer circumferential surface of the short cylinder member 22. gives a click feeling when rotating.
前記アジヤスタ２１の上端にはジヨイントメタ
ル１６の孔内に貫設されるワイヤーケーブル２５
の一端が固着されており、該ワイヤーケーブル２
５の他端はジヨイントメタル１６外へ延出され、
油圧緩衝器１とは離れた位置に回動自在に設置さ
れる調整ダイヤル２６に固着されている。 A wire cable 25 is provided at the upper end of the adjuster 21 and is inserted through a hole in the joint metal 16.
One end of the wire cable 2 is fixed, and the wire cable 2
The other end of 5 is extended outside the joint metal 16,
It is fixed to an adjustment dial 26 that is rotatably installed at a position apart from the hydraulic shock absorber 1.
以上において、油圧緩衝器１が例えば自動二輪
車のリヤフオークとして用いられる場合は、シリ
ンダ２の下端は後輪側に、ピストンロツド３の上
端は車体側に連結され、又調整ダイヤル２６はハ
ンドル近傍に設置される。 In the above, when the hydraulic shock absorber 1 is used as a rear fork of a motorcycle, for example, the lower end of the cylinder 2 is connected to the rear wheel side, the upper end of the piston rod 3 is connected to the vehicle body side, and the adjustment dial 26 is installed near the handlebar. Ru.
而して油圧緩衝器１の伸長行程時、ピストンロ
ツド３及びピストン４がシリンダ２に対して一体
に上動すれば、上部作動室S1内の油は油路１５…
を経て圧力室S3に流入し、バルブシート１３の上
面に作用してこれをスプリング１４に抗して押し
開き、最終的に下部作動室S2に流入する。そし
て、上部作動室S1の油がバルブ１２を通過する際
の流動抵抗で以つて油圧緩衝器には所要の減衰力
が発生する。 Therefore, during the extension stroke of the hydraulic shock absorber 1, if the piston rod 3 and piston 4 move up together with respect to the cylinder 2, the oil in the upper working chamber S1 flows into the oil passage 15...
It flows into the pressure chamber S 3 through the air, acts on the upper surface of the valve seat 13 to push it open against the spring 14, and finally flows into the lower working chamber S 2 . Then, due to the flow resistance when the oil in the upper working chamber S1 passes through the valve 12, a required damping force is generated in the hydraulic shock absorber.
次に油圧緩衝器１の圧縮行程時、ピストンロツ
ド３及びピストン４がシリンダ２に対して一体に
下動すれば、下部作動室S2の油はプレート１９の
油路１９ａ、該油路１９ａに適合するオリフイス
プレート１８のオリフイス１８ａ、隙間S4及び油
路２０を通つて上部作動室S1に流入し、油が各通
路を通る際の流動抵抗により緩衝器１には所要の
減衰力が発生する。 Next, during the compression stroke of the hydraulic shock absorber 1, if the piston rod 3 and piston 4 move down together with respect to the cylinder 2 , the oil in the lower working chamber S2 will fit into the oil passage 19a of the plate 19 and the oil passage 19a. The oil flows into the upper working chamber S1 through the orifice 18a of the orifice plate 18, the gap S4 , and the oil passage 20, and the required damping force is generated in the shock absorber 1 due to the flow resistance when the oil passes through each passage. .
ところで、この時油圧緩衝器１から離れた位
置、例えば自動二輪車のハンドル近傍に設置され
た調整ダイヤル２６を回わせば、この回転力はケ
ーブル２５を経てアジヤスタ２１に伝達され、ア
ジヤスタ２１、短筒部材２２及び調整ロツド１７
は一体に回転する。この調整ロツド１７の回転に
よりこれの下端に設けたオリフイスプレート１８
も回転し、該オリフイスプレート１８の油路１９
ａに適合するオリフイス径が変わり、これにより
オリフイスを通過する際の油の流動抵抗が変化
し、発生減衰力が調整される。 By the way, at this time, if the adjustment dial 26 installed at a location away from the hydraulic shock absorber 1, for example near the handlebar of a motorcycle, is turned, this rotational force is transmitted to the adjuster 21 via the cable 25, and the adjuster 21 and the short tube are rotated. Member 22 and adjustment rod 17
rotates as one. The orifice plate 18 provided at the lower end of the adjusting rod 17 is rotated.
The oil passage 19 of the orifice plate 18 also rotates.
The diameter of the orifice that matches a changes, thereby changing the flow resistance of the oil when it passes through the orifice, and adjusting the generated damping force.
例えば、油路１９ａに小径のオリフイスを適合
させれば、油の流動抵抗が増大し、減衰力は高く
調整され、逆に大径のオリフイスを適合させれ
ば、減衰力は低く調整される。 For example, if a small-diameter orifice is fitted to the oil passage 19a, the oil flow resistance increases and the damping force is adjusted to be high, whereas if a large-diameter orifice is fitted to the oil passage 19a, the damping force is adjusted to be low.
このように緩衝器１から離れた位置に設けられ
た調整ダイヤル２６を遠隔操作により回すことに
より容易に減衰力を調整することができ、特に調
整ダイヤル２６を自動二輪車のハンドル近傍に設
置すれば、調整のために停車することなく、走向
中に調整を行うことができる。 As described above, the damping force can be easily adjusted by turning the adjustment dial 26 provided at a position away from the shock absorber 1 by remote control.In particular, if the adjustment dial 26 is installed near the handlebar of the motorcycle, Adjustments can be made during strike without having to stop for adjustments.
又減衰力調整装置は少ない部品で構造単純に構
成されるため、耐久性も高く、コストメリツトは
大である。 Furthermore, since the damping force adjusting device has a simple structure with a small number of parts, it has high durability and a large cost advantage.
以上の説明で明らかな如く本発明によれば、ジ
ヨイントメタルの下部に孔を設け、該ジヨイント
メタルの孔に中空ピストンロツドの上端部を結着
し、該ジヨイントメタルの孔内に回転力を伝達す
るワイヤーケーブルを貫設し、該ケーブルの一端
に固着したアジヤスタを中空ロツド内に挿入した
調整ロツドに一体に回転すべく係合するととも
に、ケーブルの他端に調整ダイヤルを結着したた
め、構造単純にして且つ容易に遠隔で減衰力を調
整することができる。 As is clear from the above description, according to the present invention, a hole is provided in the lower part of the joint metal, the upper end of the hollow piston rod is tied to the hole of the joint metal, and a rotational force is applied within the hole of the joint metal. A wire cable for transmitting the power was installed through the wire, and an adjuster fixed to one end of the cable was engaged with an adjustment rod inserted into a hollow rod so as to rotate together, and an adjustment dial was tied to the other end of the cable. The structure is simple and the damping force can be easily adjusted remotely.
図面は本発明の一実施例を示すもので、第１図
は本発明に係る減衰力調整装置を有して成る油圧
緩衝器の一部破断側面図、第２図は第１図２−２
線拡大断面図、第３図は減衰力調整装置を構成す
る機構の分解斜視図である。
尚図面中２はシリンダ、３はピストンロツド、
４はピストン、１２はバルブ機構、１６はジヨイ
ントメタル、１７は調整ロツド、１８はオリフイ
スプレート、２１はアジヤスタ、２２は短筒部
材、２５はワイヤーケーブル、２６は調整ダイヤ
ル、S1，S2，S3は圧力室、S4は隙間である。
The drawings show one embodiment of the present invention, and FIG. 1 is a partially cutaway side view of a hydraulic shock absorber having a damping force adjusting device according to the present invention, and FIG.
The enlarged line sectional view and FIG. 3 are exploded perspective views of the mechanism constituting the damping force adjustment device. In the drawing, 2 is the cylinder, 3 is the piston rod,
4 is a piston, 12 is a valve mechanism, 16 is a joint metal, 17 is an adjustment rod, 18 is an orifice plate, 21 is an adjuster, 22 is a short tube member, 25 is a wire cable, 26 is an adjustment dial, S 1 , S 2 , S 3 is the pressure chamber, and S 4 is the gap.
Claims (1)
トンロツド内に調整ロツドを嵌装し、該調整ロツ
ドの回動により作動油の流路面積を変更するよう
にした油圧緩衝器の減衰力調整装置において、前
記ジヨイントメタルの下部に孔を設け、該ジヨイ
ントメタルの孔に前記中空ピストンロツドの上端
を結着し、前記ジヨイントメタルの孔内に回転力
を伝達するワイヤーケーブルを貫設し、 該ワイヤーケーブルの一端に固着したアジヤス
タを前記調整ロツドと一体に回動すべく、前記ア
ジヤスタに切欠部を設けて該切欠部を前記調整ロ
ツド上端に形成された切欠部に係合し、また前記
ジヨイントメタルの孔内で且つ前記アジヤスタの
外周にアジヤスタの切欠部が挿通係合する半円状
溝を穿設した短筒部材を嵌合し、この短筒部材外
周に所定の間隔をおいて溝を穿設し、この溝内に
スプリングで付勢されたボールを当接嵌合させて
クリツク装置を形成し、更に前記ワイヤーケーブ
ルの他端に調整ダイヤルを結着したことを特徴と
する油圧緩衝器の減衰力調整装置。[Claims] 1. Damping of a hydraulic shock absorber in which an adjustment rod is fitted into a hollow piston rod connected to a joint metal at the upper end, and the flow area of hydraulic oil is changed by rotation of the adjustment rod. In the force adjustment device, a hole is provided in the lower part of the joint metal, the upper end of the hollow piston rod is tied to the hole in the joint metal, and a wire cable for transmitting rotational force is passed through the hole in the joint metal. and in order to rotate the adjuster fixed to one end of the wire cable together with the adjustment rod, a notch is provided in the adjuster and the notch is engaged with a notch formed in the upper end of the adjustment rod. In addition, a short cylindrical member having a semicircular groove in which the notch of the adjuster is inserted and engaged is fitted in the hole of the joint metal and on the outer periphery of the adjuster, and a short cylindrical member is fitted at a predetermined interval on the outer periphery of the short cylindrical member. A groove is bored at a certain angle, and a ball biased by a spring is abuttingly fitted into the groove to form a click device, and an adjustment dial is further connected to the other end of the wire cable. Damping force adjustment device for hydraulic shock absorbers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10179082A JPS58221036A (en) | 1982-06-14 | 1982-06-14 | Damping force adjusting device in hydraulic buffer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10179082A JPS58221036A (en) | 1982-06-14 | 1982-06-14 | Damping force adjusting device in hydraulic buffer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58221036A JPS58221036A (en) | 1983-12-22 |
| JPS6346297B2 true JPS6346297B2 (en) | 1988-09-14 |
Family
ID=14309957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10179082A Granted JPS58221036A (en) | 1982-06-14 | 1982-06-14 | Damping force adjusting device in hydraulic buffer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58221036A (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58122046U (en) * | 1982-02-15 | 1983-08-19 | カヤバ工業株式会社 | Shock absorber damping force adjustment device |
-
1982
- 1982-06-14 JP JP10179082A patent/JPS58221036A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58221036A (en) | 1983-12-22 |
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