JPS60159434A - Damping force adjusting system buffer - Google Patents
Damping force adjusting system bufferInfo
- Publication number
- JPS60159434A JPS60159434A JP1660284A JP1660284A JPS60159434A JP S60159434 A JPS60159434 A JP S60159434A JP 1660284 A JP1660284 A JP 1660284A JP 1660284 A JP1660284 A JP 1660284A JP S60159434 A JPS60159434 A JP S60159434A
- Authority
- JP
- Japan
- Prior art keywords
- damping force
- motor
- hollow piston
- piston rod
- 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.)
- Pending
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)
Abstract
Description
【発明の詳細な説明】 本発明は、減衰力調整式緩衝器の改良に関する。[Detailed description of the invention] The present invention relates to improvements in damping force adjustable shock absorbers.
従来から、車両の走行条件に合わせ、乗心地性を向上せ
しめるために減衰力を調整するようにした油圧緩衝器が
各種提案されている。Conventionally, various hydraulic shock absorbers have been proposed in which damping force is adjusted to improve ride comfort in accordance with the driving conditions of a vehicle.
しかしながら、殆んどの減衰力調整式緩衝器は特開昭5
5−65741号に示されるようにアジャストロッドを
回動せしめるモータ及びこのモータの回転をアジャスト
ロッドに伝達する歯車列が緩衝器のシリンダ外部に配設
されているため、スペース的に不利であり、又これらを
車体に装着した後、車両走行中に泥、雨水等が付着して
これらの耐久性が低下するとともに、モータ駆動時の騒
音が車室内に伝わるという問題があった。However, most damping force adjustable shock absorbers are
As shown in No. 5-65741, the motor that rotates the adjustment rod and the gear train that transmits the rotation of this motor to the adjustment rod are disposed outside the cylinder of the shock absorber, which is disadvantageous in terms of space. Furthermore, after these are mounted on the vehicle body, mud, rainwater, etc. adhere to them while the vehicle is running, reducing their durability, and there are also problems in that noise generated when the motor is driven is transmitted into the vehicle interior.
そこで、これらの問題を解決すべく特開昭58−142
047号が提案されるが、これはピストンロッド下部に
下方に開口する凹部を形成し、この凹部にアジャストロ
ッド回動用のモータを収納したものである。Therefore, in order to solve these problems,
No. 047 has been proposed, in which a downwardly opening recess is formed in the lower part of the piston rod, and a motor for rotating the adjustment rod is housed in this recess.
しかしながら、このような構造とすると、モータが故障
した場合、或は電気配線が外れた場合等にあっては、緩
衝器全体を分解しなければならないという大きな欠点が
ある。However, such a structure has a major drawback in that the entire shock absorber must be disassembled in the event that the motor breaks down or the electrical wiring becomes disconnected.
本発明は以上の問題を解決すべく成されたもので、その
目的とする処は、減衰力調整用のアジャストロッドを回
動せしめる減衰力切換用モータを外部から十分保護でき
、スペース的に有利で、メインテナンス性の高い減衰力
調整式緩衝器を提供するにある。The present invention has been made to solve the above problems, and its purpose is to sufficiently protect the damping force switching motor that rotates the damping force adjustment adjustment rod from the outside, and which is advantageous in terms of space. The purpose is to provide a damping force adjustable shock absorber with high maintainability.
斯かる目的を達成すべく本発明は、ダンパーマウントベ
ース内の中空ピストンロンド外の空間に減衰力切換用モ
ータを配設したことをその特徴とする。In order to achieve this object, the present invention is characterized in that a damping force switching motor is disposed in a space outside the hollow piston rond within the damper mount base.
以下に本発明の好適一実施例を添付図面に基づいて説明
する。A preferred embodiment of the present invention will be described below with reference to the accompanying drawings.
第1図は本発明に係る緩衝器の縦断面図、第2図は第1
図の要部拡大図、第3図は第2図3−3線断面図である
。FIG. 1 is a vertical cross-sectional view of a shock absorber according to the present invention, and FIG.
FIG. 3 is an enlarged view of the main part of the figure, and FIG. 3 is a sectional view taken along the line 3-3 in FIG.
緩衝器1のアウタシリンダ2内にはインナシリンダ3が
ロントガイド4を介して固設され、インナシリンダ3内
には上方から中空ピストンロッド5がシールリング6を
介して挿入され、中空ピストンロッド5の下端にはイン
ナシリンダ3の内周に上下摺動自在に嵌合するピストン
7が固着されている。而して、緩衝器1内にはピストン
7、アウタシリンダ2及びインナシリンダ3によって油
室St 、 S2及びリザーバ室S3が区画形成されて
おり、夫々の室81.82.83内には作動油が封入さ
れている。An inner cylinder 3 is fixedly installed in the outer cylinder 2 of the shock absorber 1 via a front guide 4, and a hollow piston rod 5 is inserted from above into the inner cylinder 3 via a seal ring 6. A piston 7 is fixed to the lower end of the piston 7, which fits into the inner periphery of the inner cylinder 3 so as to be vertically slidable. In the shock absorber 1, oil chambers St, S2 and a reservoir chamber S3 are defined by the piston 7, the outer cylinder 2 and the inner cylinder 3, and each chamber 81, 82, 83 contains hydraulic oil. is included.
一方、ピストン7の上方には減衰力調整部8か設けられ
ており、この減衰力調整部8においては、第2図に示す
如く中空ピストンロッド5の下部に形成された四部9に
筒体10が螺着され、この筒体10の上半部10aが凹
部9内に隙間をもって臨み、これの下半部10bには前
記ピストン7が貫通している。又、上半部10aの上部
内にはストッパ11が嵌め込まれ、上部内に設けたディ
スクバルブ12とストッパ11間にはスプリング13が
縮装され、スプリング13の弾発力でディスクバルブ1
2は下方へ弾圧されている。更に上半部10aの上部に
は3個の油孔14・・・が穿設され、これら油孔14・
・・の下方には第3図に示す如(減衰力調整用のオリフ
ィス15−1.15−2.15−3゜が設けられている
。尚、オリフィス15−1 、15−23−
15−3は上記3個の油孔14・・・の夫々と対を成す
如く設けられ、且つ各油孔14・・・の大きさはオリフ
ィス15−1.15−2.15−3と対応した太きさと
されている。又、筒体1oの上半部10aには長孔16
を形成したアジャスタ17が外嵌され、このアジャスタ
17は中空ピストンロッド5の中空部18内に挿通した
アジャストロッド19の下端に結着されている。On the other hand, a damping force adjusting section 8 is provided above the piston 7, and in this damping force adjusting section 8, a cylindrical body 10 is attached to four parts 9 formed at the lower part of the hollow piston rod 5, as shown in FIG. The upper half 10a of this cylindrical body 10 faces into the recess 9 with a gap, and the piston 7 passes through the lower half 10b. Further, a stopper 11 is fitted into the upper part of the upper half part 10a, and a spring 13 is compressed between the disc valve 12 provided in the upper part and the stopper 11, and the elastic force of the spring 13 causes the disc valve 1 to move.
2 is being suppressed downward. Furthermore, three oil holes 14... are bored in the upper part of the upper half part 10a, and these oil holes 14...
As shown in FIG. 3 is provided so as to form a pair with each of the three oil holes 14..., and the size of each oil hole 14... is the same as that of the orifice 15-1.15-2.15-3. In addition, the upper half 10a of the cylindrical body 1o has a long hole 16.
An adjuster 17 having a shape formed therein is fitted onto the outside, and this adjuster 17 is tied to the lower end of an adjustment rod 19 inserted into the hollow portion 18 of the hollow piston rod 5.
而して、圧縮時にあっては、油室s2内の油の一部はピ
ストン7の油孔20を通ってその圧力でディスクバルブ
21を押し上げて油室slに流入し、他の油は筒体10
内、オリフィス15−1 、15−2゜15−3のうち
いずれが1つとそれに対応する油孔14を通って油室S
1内に流入する。又、伸長時にあっては、油室St内の
作動油の一部はピストン7の油孔22を通ってディスク
バルブ23を押し下げて油室S2内に流入し、他の油は
オリフィス15−1.15−2.15−3のうちいずれ
か1つを経て油室S2内に流入する。ここで、前記アジ
ャスタ17を回動せしめてオリフィス15−1 、15
−2.15−34−
のいずれかを開くことで減衰力の調整がなされる。During compression, part of the oil in the oil chamber s2 passes through the oil hole 20 of the piston 7, pushes up the disc valve 21 with its pressure, and flows into the oil chamber sl, and the other oil flows into the oil chamber s1. body 10
One of the orifices 15-1, 15-2 and 15-3 passes through the corresponding oil hole 14 to the oil chamber S.
1. Also, during extension, a part of the hydraulic oil in the oil chamber St passes through the oil hole 22 of the piston 7, pushes down the disc valve 23, and flows into the oil chamber S2, and the other oil flows into the oil chamber S2 through the orifice 15-1. It flows into the oil chamber S2 through any one of .15-2 and 15-3. Here, the adjuster 17 is rotated to open the orifices 15-1 and 15.
-2.15-34- The damping force is adjusted by opening either of the above.
一方、車体側にはダンパーマウントベース24がボルト
25・・・にて結着されており、該ダンパーマウントベ
ース24のインナーベース26内には前記中空ピストン
ロッド5の上端部が下方より臨み、該中空ピストンロッ
ド5はこれに螺合するナツト27にてインナーベース2
6に結着されている。そして、インナーベース26の上
部にはスプリング押えボルト28が螺着されており、イ
ンナーベース26内にはアジャストロッド19を回動せ
しめる減衰力切換用モータ29及び減速機等を含む制御
器30が収納され、これらはスプリング31にて中空ピ
ストンロッド5の上端部に弾接せしめられている。On the other hand, a damper mount base 24 is fixed to the vehicle body side with bolts 25, and the upper end of the hollow piston rod 5 faces from below into the inner base 26 of the damper mount base 24. The hollow piston rod 5 is connected to the inner base 2 with a nut 27 screwed thereto.
It is tied to 6. A spring holding bolt 28 is screwed onto the upper part of the inner base 26, and a damping force switching motor 29 for rotating the adjustment rod 19 and a controller 30 including a speed reducer are housed inside the inner base 26. These are brought into elastic contact with the upper end of the hollow piston rod 5 by a spring 31.
而して、上記モータ29はモータ電源32によって駆動
され、このモータ電源32は比較器33かもの信号でオ
ン・オフせしめられ、比較器33には角度設定器34及
び制御器30からの信号が入力される。即ち、角度設定
器34によって所定のオリフィス15−L15−2.1
5−3がアジャスタ17の長孔16と一致するように設
定すると、その信号が比較器33に入力される。一方、
制御器30はアジャストコンド190回動角を検出して
比較器33にその信号を入力する。そして、夫々の入力
信号が不一致の場合、つまり、角度設定器34によって
設定したアジャストコンド190回動角と実際の回動角
が不一致の場合には、モータ電源32に駆動信号が出力
され、夫々の入力信号が一致するまでモータ29が駆動
される。而して、モータ29が停止すれば、所定のオリ
フィス15−1゜15−2.15−3 が長孔16と重
なり、所望の減衰力調整がなされる。The motor 29 is driven by a motor power source 32, and the motor power source 32 is turned on and off by signals from a comparator 33, and the comparator 33 receives signals from the angle setting device 34 and the controller 30. is input. That is, the predetermined orifice 15-L15-2.1 is set by the angle setting device 34.
5-3 is set to match the elongated hole 16 of the adjuster 17, the signal is input to the comparator 33. on the other hand,
The controller 30 detects the rotation angle of the adjusting condo 190 and inputs the signal to the comparator 33. When the respective input signals do not match, that is, when the rotation angle of the adjustment condo 190 set by the angle setting device 34 and the actual rotation angle do not match, a drive signal is output to the motor power supply 32, and the respective input signals are The motor 29 is driven until the input signals match. When the motor 29 stops, the predetermined orifices 15-1, 15-2, and 15-3 overlap the elongated holes 16, and the desired damping force is adjusted.
以上に説明した如(本発明によれば、ダンパーマウント
内の中空ピストンロンド外の空間に減衰力切換用モータ
を配設したため、該モータを外部から有効に保護してこ
れの耐久性を高めることができるとともに、スペースの
有効利用が図れ、又緩衝器のメインテナンス性を高める
ことができる。As explained above (according to the present invention, since the damping force switching motor is disposed in the space outside the hollow piston rond in the damper mount, the motor can be effectively protected from the outside and its durability can be increased). At the same time, space can be used effectively and the maintainability of the buffer can be improved.
第1図は本発明に係る緩衝器の縦断面図、第2図は第1
図の要部拡大図、第3図は第2図3−3線断面図である
。
尚、図面中1は油圧緩衝器、2はアウタシリンダ、3は
インナシリング、5は中空ピストンロッド、7はピスト
ン、8は減衰力調整部、17はアジャスタ、24はダン
パーマウントベース、29は減衰力切換用モータ、30
は制御器、32はモータ電源、33は比較器、34は角
度設定器である。
特許出願人 株式会社昭和製作所
代理人 弁理士 下 1) 容一部
間 弁理士 大 橋 邦 産
量 弁理士 小 山 有
第3図
−217−FIG. 1 is a vertical cross-sectional view of a shock absorber according to the present invention, and FIG.
FIG. 3 is an enlarged view of the main part of the figure, and FIG. 3 is a sectional view taken along the line 3-3 in FIG. In the drawings, 1 is a hydraulic shock absorber, 2 is an outer cylinder, 3 is an inner cylinder, 5 is a hollow piston rod, 7 is a piston, 8 is a damping force adjustment part, 17 is an adjuster, 24 is a damper mount base, and 29 is a damping unit. Force switching motor, 30
3 is a controller, 32 is a motor power supply, 33 is a comparator, and 34 is an angle setting device. Patent Applicant Showa Seisakusho Co., Ltd. Agent Patent Attorney 2 1) Production Department Patent Attorney Kuni Ohashi Production Volume Patent Attorney Yu Koyama Figure 3-217-
Claims (2)
ドを減衰力切換用モータにて回動せしめることによって
減衰力を調整するようにした減衰力調整式緩衝器におい
て、前記中空ピストンロッドの上端部を車体側に支持す
るダンパーマウントベース内の中空ピストンロッド外の
空間に前記減衰力切換用モータを配設したことを特徴と
する減衰力調整式緩衝器。(1) In a damping force adjustable shock absorber in which damping force is adjusted by rotating an adjusting rod inserted into a hollow piston rod by a damping force switching motor, the upper end of the hollow piston rod is connected to the vehicle body. A damping force adjustable shock absorber, characterized in that the damping force switching motor is disposed in a space outside the hollow piston rod within the damper mount base supported on the side.
ピストンロッド上端部に弾接せしめられることを特徴と
する特許 減衰力調整式緩衝器。(2) A patented damping force adjustable shock absorber characterized in that the damping force switching motor is brought into elastic contact with the upper end of the hollow piston rod by a spring.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1660284A JPS60159434A (en) | 1984-01-31 | 1984-01-31 | Damping force adjusting system buffer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1660284A JPS60159434A (en) | 1984-01-31 | 1984-01-31 | Damping force adjusting system buffer |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS60159434A true JPS60159434A (en) | 1985-08-20 |
Family
ID=11920842
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1660284A Pending JPS60159434A (en) | 1984-01-31 | 1984-01-31 | Damping force adjusting system buffer |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60159434A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6173939U (en) * | 1984-10-20 | 1986-05-19 | ||
JPH03193813A (en) * | 1989-12-25 | 1991-08-23 | Harima Ceramic Co Ltd | Porous plug for blowing gas |
JP2011117493A (en) * | 2009-12-01 | 2011-06-16 | Kyb Co Ltd | Front fork |
CN107906155A (en) * | 2017-11-08 | 2018-04-13 | 中国航空工业集团公司金城南京机电液压工程研究中心 | A kind of gap-adjustable fluid damping device |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5849045B2 (en) * | 1975-07-22 | 1983-11-01 | 松下電器産業株式会社 | Den Atsuseigi Yogata Multivibrator |
-
1984
- 1984-01-31 JP JP1660284A patent/JPS60159434A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5849045B2 (en) * | 1975-07-22 | 1983-11-01 | 松下電器産業株式会社 | Den Atsuseigi Yogata Multivibrator |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6173939U (en) * | 1984-10-20 | 1986-05-19 | ||
JPH0313640Y2 (en) * | 1984-10-20 | 1991-03-28 | ||
JPH03193813A (en) * | 1989-12-25 | 1991-08-23 | Harima Ceramic Co Ltd | Porous plug for blowing gas |
JP2011117493A (en) * | 2009-12-01 | 2011-06-16 | Kyb Co Ltd | Front fork |
CN107906155A (en) * | 2017-11-08 | 2018-04-13 | 中国航空工业集团公司金城南京机电液压工程研究中心 | A kind of gap-adjustable fluid damping device |
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