JPH01131343A - Cylinder - Google Patents
CylinderInfo
- Publication number
- JPH01131343A JPH01131343A JP62286222A JP28622287A JPH01131343A JP H01131343 A JPH01131343 A JP H01131343A JP 62286222 A JP62286222 A JP 62286222A JP 28622287 A JP28622287 A JP 28622287A JP H01131343 A JPH01131343 A JP H01131343A
- Authority
- JP
- Japan
- Prior art keywords
- rod
- chamber
- oil chamber
- pressure
- oil
- 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
- 230000008602 contraction Effects 0.000 claims abstract description 12
- 239000003921 oil Substances 0.000 claims description 58
- 238000009825 accumulation Methods 0.000 claims description 25
- 230000006835 compression Effects 0.000 claims description 16
- 238000007906 compression Methods 0.000 claims description 16
- 239000010720 hydraulic oil Substances 0.000 claims description 15
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 230000006837 decompression Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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
- F16F9/56—Means for adjusting the length of, or for locking, the spring or damper, e.g. at the end of the stroke
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】
（産業上の利用分野）
この発明は、各種機器を位置決めおよび支持する部材と
して用いられるシリンダに関する。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a cylinder used as a member for positioning and supporting various types of equipment.
（従米の技術）
各ａｍ器を位置決め支持するシリンダとして、例えばボ
ート用船外機のチルトグンパ等がある。(Junior's technology) As a cylinder for positioning and supporting each AM device, there is, for example, a tilt gun for an outboard motor for a boat.
これは、シリンダ内のロッド伸側の油室と線側の油室と
の間にオリアイスとリリーフ弁を設けてすＳす、船外機
が障害物等に衝突したときに、リリーフ弁を介して線側
の油を伸側に逃がしてロッドを自由にすることで、船外
機を水面から浮上させるものである。This is because an oil ice and a relief valve are installed between the oil chamber on the rod extension side and the oil chamber on the line side in the cylinder.When the outboard motor collides with an obstacle, etc. The oil on the lever side escapes to the extension side, freeing the rod, which allows the outboard motor to rise above the water surface.
また、船外機を推進位置あるいは推進位置から浮上位置
にセットするときは、船外機を下方あるいは上方に押す
と、両油室の油がオリアイスを介して出入りするため、
上記所定の位置に容易にセットされるものである（特公
昭５９−５４８０号公報参照）。Also, when setting the outboard motor to the propulsion position or from the propulsion position to the floating position, pushing the outboard motor downward or upward causes the oil in both oil chambers to flow in and out through the oriice.
It can be easily set in the above-mentioned predetermined position (see Japanese Patent Publication No. 59-5480).
（発明が解決しようとする問題点）
しかしながら、このような従来例にあっては、船外機を
推進位置と浮上位置にセットすることはできるが、シリ
ンダの両油室が第１７ フイスを介して連通されている
ため、上記以外の位置にセットすることはできず、した
がって水深等に対応させて船外機を所望の角度にセット
することは無理である。また、従来例を船外機以外のも
のに適用する場合、中間の任意の位置に保持したい機器
にあっては、適用は不可能である。(Problem to be Solved by the Invention) However, in such a conventional example, although the outboard motor can be set in the propulsion position and the floating position, both oil chambers of the cylinder are Since the outboard motor is in communication with the outboard motor, it cannot be set in any other position than the above, and therefore it is impossible to set the outboard motor at a desired angle depending on the water depth, etc. Further, when applying the conventional example to equipment other than outboard motors, it is impossible to apply the conventional example to equipment that should be held at any intermediate position.
この発明は、このような問題点を解決することを目的と
している。This invention aims to solve these problems.
（問題点を解決するための手段）
この発明は、シリング本体にロッドを連結したピストン
を摺動自由に収装してロッド伸側油室とロッド縮側油室
を画成する一方、作動油を加圧するアキュームレータを
備え、このアキニームレータの蓄圧室をロッド縮側油室
に開通し、同じ（蓄圧室をロッド伸側油室に訊油室の作
動油の圧力が設定値以上のときに開くリリーフ弁を介し
で接続すると共に、このリリーフ弁を強制的に開閉する
レバーを設ける。(Means for Solving the Problems) This invention has a piston that is connected to a rod in a cylinder body and is slidably housed therein to define a rod extension side oil chamber and a rod contraction side oil chamber, and a hydraulic oil chamber. The pressure accumulator of this accumulator is opened to the oil chamber on the rod contraction side, and when the pressure of the hydraulic oil in the oil chamber is equal to or higher than the set value, It is connected via a relief valve that opens, and a lever is provided that forcibly opens and closes this relief valve.
（作用）
レバーによりリリーフ弁を開くと、アキュームレータの
蓄圧室とロッド線側の油室とロッド伸側の油室がすべて
連通するため、ロッドは加えられる外力に応じて伸側あ
るいは線側に動く、このときピストン受圧面積差に応じ
て蓄圧室の油室がロッド伸側にアシスト力とじて作用す
る。(Function) When the relief valve is opened with a lever, the pressure accumulation chamber of the accumulator, the oil chamber on the rod line side, and the oil chamber on the rod extension side all communicate with each other, so the rod moves to the extension side or the line side depending on the external force applied. At this time, the oil chamber of the pressure accumulation chamber acts as an assist force on the rod extension side in accordance with the difference in the piston pressure receiving area.
ロッドを任意の位置に動かした後、レバーによりリリー
フ弁を閉じると、ロッド伸側の油室がリリーフ弁により
蓄圧室およびロッド線側の油室に対して遮断されると共
に、蓄圧室の油圧はロッド線側の油室に作用するため、
ロッドはその任意の位置で圧縮方向にはリリーフ弁の設
定圧にてロックされ、伸張方向には蓄圧室の油圧により
保持された状態となる。After moving the rod to a desired position, when the relief valve is closed by the lever, the oil chamber on the rod extension side is shut off from the pressure accumulation chamber and the oil chamber on the rod line side by the relief valve, and the oil pressure in the pressure accumulation chamber is Because it acts on the oil chamber on the rod line side,
At any position, the rod is locked in the compression direction by the set pressure of the relief valve, and in the extension direction is held by the hydraulic pressure of the pressure accumulation chamber.
そして、この状態でロッド伸側にオーバーロード（衝γ
力）が加わると、縮側油室を圧縮し９つロッドが１７１
７一ス作動し、同時に縮側油室から蓄圧室に押し込まれ
た作動油に対して生じるアキニームレータの圧縮バネ特
性によってオーバーロードが吸収される。このリリース
後は、伸側油室に生じる負圧と、アキュームレータから
元の縮側油室に戻る作動油との圧力差により、ロッドは
初期の位置へ自動的に復帰する。In this state, overload (impulse γ) is applied to the rod extension side.
When force) is applied, the compression side oil chamber is compressed and the nine rods
At the same time, the overload is absorbed by the compression spring characteristics of the Akinimulator which is generated against the hydraulic oil pushed from the compression side oil chamber into the pressure accumulation chamber. After this release, the rod automatically returns to its initial position due to the pressure difference between the negative pressure generated in the expansion side oil chamber and the hydraulic oil returning from the accumulator to the original contraction side oil chamber.
また、ロッド線側にオーバーロードが加わると、伸側油
室を圧縮しつつロッドがリリース作動するが、この場合
伸側油室の作動油が１７１７−７弁を押し開いて蓄圧室
へ流入し、このときりり−７弁にて受ける抵抗力および
アキニームレータの圧縮バネ特性により線側でもオーバ
ーロードが吸収される。Also, when an overload is applied to the rod line side, the rod releases while compressing the extension side oil chamber, but in this case, the hydraulic oil in the extension side oil chamber pushes open the 1717-7 valve and flows into the pressure accumulation chamber. At this time, the overload is also absorbed on the line side due to the resistance force received by the slit-7 valve and the compression spring characteristics of the Akinimulator.
（実施例）
ＰｔＳ１図は本発明の実施例を示す断面図で、１はシリ
ング本体、２はシリング本体１内を摺動自由なピストン
、３はピストン２に連結されたロッドである。(Example) Fig. PtS1 is a cross-sectional view showing an example of the present invention, in which 1 is a syring body, 2 is a piston that can freely slide inside the syring body 1, and 3 is a rod connected to the piston 2.
シリング本体１内にはピストン２を介してロッド線側の
油室４と、ロッド伸側の油室５とが画成され、両油室４
，５にはそれぞれボート６．７が形成されている。Inside the cylinder body 1, an oil chamber 4 on the rod line side and an oil chamber 5 on the rod extension side are defined through the piston 2.
, 5 are each formed with a boat 6.7.
そして、内部のがス室８に所定のガス圧を充填したアキ
ュームレータ９が設（すられ、自由ピストン１０により
ガス室８と隔成された蓄圧室１１が、ボート１２と配管
１３と前記ボート６を介して前記ａγド縮画側油室に連
通される。Then, an accumulator 9 filled with a predetermined gas pressure in an internal gas chamber 8 is installed, and a pressure accumulator 11 separated from the gas chamber 8 by a free piston 10 is connected to a boat 12, a pipe 13, and the boat 6. It communicates with the aγ decompression side oil chamber through the aγ decompression side oil chamber.
また、蓄圧室１１は、リリーフ弁１４とボート１５と配
管１６と前記ボート７を介して前記ロッド伸側油室５に
接続される。Further, the pressure accumulation chamber 11 is connected to the rod extension side oil chamber 5 via a relief valve 14, a boat 15, a pipe 16, and the boat 7.
すＩＪ−７弁１４は、蓄圧室１１とボート１５との間の
通路１７に嵌装された弁体１８と、弁体１８を閉じ方向
に付勢するスプリング１９とがらなり、ロッド伸側油室
５の油圧が設定値以上になると、弁体１８がスプリング
１９およＶ蓄圧室１１側の圧力に抗して通路１７のシー
ト部２０から離れ、開弁するようになっている。２１は
スプリング押えである。The IJ-7 valve 14 consists of a valve body 18 fitted in a passage 17 between the pressure accumulation chamber 11 and the boat 15, and a spring 19 that biases the valve body 18 in the closing direction. When the oil pressure at No. 5 exceeds a set value, the valve body 18 moves away from the seat portion 20 of the passage 17 against the pressure of the spring 19 and the V pressure accumulator 11 side, and the valve opens. 21 is a spring presser.
一方、リリーフ弁１４を外部から開閉可能とするように
、弁体１８の前方にブツシュロッド２２が配設され、ブ
ツシュロッド２２の軸端に握り部２３を設けたレバー２
４が取付けられる。On the other hand, a bushing rod 22 is arranged in front of the valve body 18 so that the relief valve 14 can be opened and closed from the outside, and a lever 2 is provided with a grip part 23 at the shaft end of the bushing rod 22.
4 is installed.
ブツシュロッド２２は、アキニームレータ９の基部２５
を介して弁体１８と同軸上に螺合支持されており、レバ
ー２４を所定の方向に回動してブツシュロッド２２を押
し込むと、リリーフ弁１４が強制的に開弁されるように
なっている。The bushing rod 22 is connected to the base 25 of the akinimulator 9.
The relief valve 14 is forcibly opened when the lever 24 is rotated in a predetermined direction and the bushing rod 22 is pushed in. .
なお、２６はブツシュロッド２２の抜は止め用のスナッ
プリング、２７〜３１はシールである。Note that 26 is a snap ring for preventing the bushing rod 22 from being removed, and 27 to 31 are seals.
このような構成において、図示状態からレバー２４を所
定の方向に回動してブツシュロッド２２を押し込むと、
リリーフ弁１４が開き、アキュームレータ９の蓄圧室１
１とロッド縮側油室４とロッド伸側油室５がすべて連通
状態となる。In such a configuration, when the lever 24 is rotated in a predetermined direction from the illustrated state and the bushing rod 22 is pushed in,
The relief valve 14 opens and the pressure accumulation chamber 1 of the accumulator 9
1, the rod contraction side oil chamber 4, and the rod extension side oil chamber 5 are all in communication.
このため、ロッド３とシリング本体１との間に外力を加
えると、ロッド３は外力の方向に応じて伸側あるいは線
側に動く。このとき、蓄圧室１１の圧力がピストン２の
有効受圧面積差によりロッド伸側に作用し、例えば船外
機のチルトグンバとして用いた場合にはその圧力により
船外機を持上げる方向のアシスト力を得る。Therefore, when an external force is applied between the rod 3 and the sill main body 1, the rod 3 moves toward the extension side or the line side depending on the direction of the external force. At this time, the pressure in the pressure accumulation chamber 11 acts on the rod extension side due to the difference in the effective pressure receiving area of the piston 2. For example, when used as a tilt lift for an outboard motor, the pressure exerts an assisting force in the direction of lifting the outboard motor. obtain.
そして、ロッド３を任意の位置に動かした後、レバー２
４を元の方向に回動してブツシュロッド２２を元の位置
に戻すと、リリーフ弁１４が閉じ、ロッド伸側油室５が
蓄圧室１１およびロッド縮側油室４と遮断される。Then, after moving the rod 3 to the desired position, lever 2
4 in the original direction to return the bushing rod 22 to its original position, the relief valve 14 closes and the rod extension side oil chamber 5 is isolated from the pressure accumulation chamber 11 and the rod contraction side oil chamber 4.
このため、ロッド３は圧縮方向にはリリーフ弁１４の設
定圧にてロックされる一方、蓄圧室１１の圧力がロッド
縮側油室４にかかるため、伸張方向には蓄圧室１１の圧
力により保持された状態となる。これにより、ロッド３
は任意の位置に固定される。したがって、船外機に用い
た場合、船外機を所望の角度にセットすることが可能で
あり、また船外機以外の各（茂器に用いた場合に、各機
器を任；Ｑ：の位置にセットすることが可能である。Therefore, the rod 3 is locked in the compression direction by the set pressure of the relief valve 14, while the pressure in the pressure accumulation chamber 11 is applied to the oil chamber 4 on the rod compression side, so the rod 3 is held in the extension direction by the pressure in the pressure accumulation chamber 11. The state will be as follows. This allows rod 3
is fixed at any position. Therefore, when used on an outboard motor, it is possible to set the outboard motor at a desired angle, and when used on a motor vehicle other than the outboard motor, it is possible to set the outboard motor at a desired angle. It is possible to set the position.
一方、ロッド３を固定した状！！ｉ（使用状態）にて、
ロッド伸側にオーバーロード（衝撃力）が加わると、そ
の衝撃によりロッド３がリリース作動し、ロッド縮側油
室４が圧縮されるが、口・７ド縮側油室４と蓄圧室１１
とは常に開通しているため、油室４の作動油は蓄圧室１
１へ入り込む。On the other hand, rod 3 is fixed! ! i (in use),
When an overload (impact force) is applied to the rod extension side, the rod 3 is released due to the impact, and the rod compression side oil chamber 4 is compressed.
is always open, so the hydraulic oil in oil chamber 4 is transferred to pressure accumulation chamber 1.
Enter 1.
この蓄圧室１１に入る作動油によりアキュームレータ９
のがス室８が圧縮され、゛この圧縮バネ作用により伸側
のオーバーロードは吸収、緩和される。The hydraulic oil entering this pressure accumulation chamber 11 causes the accumulator 9 to
The gas chamber 8 is compressed, and the overload on the extension side is absorbed and alleviated by the action of the compression spring.
そして、オーバーロードの除去後は、ピストン２の変位
に伴いロッド伸側油室５が負圧化しているのに対して、
ロッド縮側油室４に７キユームレータ９の蓄圧室１１の
高圧が作用し、したがってロッド縮側油室４に蓄圧室１
１からの作動油を押し込みつつロッド３はｉ７前の元の
位置に自動復帰される。After the overload is removed, the pressure in the rod extension side oil chamber 5 becomes negative due to the displacement of the piston 2;
The high pressure of the pressure accumulation chamber 11 of the seven cumulators 9 acts on the rod compression side oil chamber 4, so that the pressure accumulation chamber 1 is applied to the rod compression side oil chamber 4.
The rod 3 is automatically returned to its original position before i7 while pushing in the hydraulic oil from 1.
また、ロッド網側にオーバーロードが加わった場合には
、ロッド伸側油室５を圧縮しつつロッド３がリリース作
動するが、この場合ロッド（ｌｒ側油室５の作動油がリ
リーフ弁１４を押し聞いて蓄圧室１１（およびロッド縮
側油室４）へ入り込む。In addition, when an overload is applied to the rod network side, the rod 3 is released while compressing the rod extension side oil chamber 5, but in this case, the hydraulic oil in the rod (lr side oil chamber 5) presses the relief valve 14. Push it and enter the pressure accumulation chamber 11 (and the rod compression side oil chamber 4).
このため、油室５の作動油がリリーフ弁１４を通過する
ときに抵抗力を生じ、この抵抗力および作動油の流入に
伴うアキュームレータ９の圧縮バネ特性により線側のオ
ーバーロードが吸収、緩和される。Therefore, when the hydraulic oil in the oil chamber 5 passes through the relief valve 14, a resistance force is generated, and the overload on the line side is absorbed and alleviated by this resistance force and the compression spring characteristics of the accumulator 9 as the hydraulic oil flows in. Ru.
なお、この線側へのリリース作動時には、伸側油室５の
作動油は蓄圧室１１側へ流出したままとなり、したがっ
てロッド３は自動復帰はしない。Note that during this release operation to the line side, the hydraulic oil in the expansion side oil chamber 5 continues to flow out to the pressure accumulation chamber 11 side, and therefore the rod 3 does not automatically return.
１２図は本発明の他の実施例を示すもので、ロッド３２
をパイプ状に形成し、ロッド３２の内部に７キユームレ
ータ３３を一体的に形成したものである。FIG. 12 shows another embodiment of the present invention, in which the rod 32
is formed into a pipe shape, and seven cumulators 33 are integrally formed inside the rod 32.
アキュームレータ３３の〃ス室３４と蓄圧室；３５は、
自由ピストン等により隔成されるが、シリングの取イ・
１方向によっては図のように隔成せずども良い。The gas chamber 34 and the pressure accumulation chamber; 35 of the accumulator 33 are
Although it is separated by a free piston etc.,
Depending on one direction, they may not be separated as shown in the figure.
そして、アキュームレータ３３の蓄圧室３５は、ピスト
ン３６とロッド３２との連結部３７に開設した穴３８を
介してロッド縮側油室３９、およびピストン３６の内部
に介装したリリーフ弁４０を介してロッド伸側油室４１
に接続される６一方、リリーフ弁４０にはチエツク弁４
２が設けられ、このチエツク弁４２と同軸上にロッド３
２を貫通してブツシュロッド４３が配置される。The pressure storage chamber 35 of the accumulator 33 is connected to the rod compression side oil chamber 39 through a hole 38 formed in a connecting portion 37 between the piston 36 and the rod 32, and through a relief valve 40 interposed inside the piston 36. Rod extension side oil chamber 41
On the other hand, the relief valve 40 has a check valve 4 connected to it.
A rod 3 is provided coaxially with the check valve 42.
A bushing rod 43 is disposed passing through 2.
ブツシュロッド４３は後端部４４がロッド３２の先端部
４５からいくらか突出するように形成されており、これ
に対向して一端をビン４６により支持されたレバー４７
が配設され、レバー４７をシリンダ本体４８側に引くと
、ブツシュロッド４３を介してチエツク弁４２が閏くよ
うにっている。The bushing rod 43 is formed so that its rear end 44 protrudes somewhat from the tip 45 of the rod 32, and opposite thereto is a lever 47 whose one end is supported by a pin 46.
is provided, and when the lever 47 is pulled toward the cylinder body 48, the check valve 42 is opened via the bushing rod 43.
なお、４９（土スプリング押えで、プッシュロンド４３
の支持を兼ねている。In addition, 49 (with soil spring presser, push rond 43
It also serves as support for
したがって、ロッド３２を任意の位置にセットするとき
は、前記実施例と同様にレバー４７を操作すれば良く、
またセット後のオーバーロード時にも前記実施例と同様
の作動が得られる。このように７キユームレータ３３を
シリング側に一体形成すれば、構造がコンパクトになり
、組付性が向上する。Therefore, when setting the rod 32 to a desired position, it is sufficient to operate the lever 47 in the same manner as in the previous embodiment.
Further, even when overloaded after setting, the same operation as in the above embodiment can be obtained. If the 7-cumulator 33 is integrally formed on the silling side in this way, the structure becomes compact and the ease of assembly is improved.
（発明の効果）
以上のように本発明によれば、アキュームレータの蓄圧
室をロッド縮側油室に開通し、同じく蓄圧室をロッド伸
側油室に該油室の作動油の圧力が設定値以上のときに閏
くリリーフ弁を介して接続すると共に、このリリーフ弁
を強制的に開閉するレバーを設けたので、ロッドを任意
の位置にセットできると共に、伸側および線側のいずれ
にあってもオーバーロードを吸収することができ、位置
決めおよび支持部材として好適なシリングを実現できる
。(Effects of the Invention) As described above, according to the present invention, the pressure accumulation chamber of the accumulator is opened to the rod contraction side oil chamber, and the pressure of the hydraulic oil in the oil chamber is set to the set value. In addition to connecting via a relief valve that can be used in the above cases, we also provided a lever that forcibly opens and closes this relief valve, so the rod can be set in any position and can be set on either the extension side or the line side. It is also possible to absorb overload and realize a sill suitable as a positioning and supporting member.
第１図は本発明の実施例を示す断面図、第２図は本発明
の他の実施例を示す断面図である。
１・・・シリング本体、２・・・ピストン、３・・・ロ
ット、４・・・ロッド縮側油室、５・・・ロッド伸側油
室、９・・・アキュームレータ、１１・・・ＷＪ］Ｅ”
ｌ、１４・・・リリーフ弁、２４・・・レバー、３２・
・・ロッド、３３・・・アキュームレータ、３５・・・
蓄圧室、３６・・・ピストン、３９・・・ロッド縮側油
室、４０・・・リリーフ弁、４１・・・ロッド伸側油室
、４７・・・レバー。
代理人 弁理士 松 １）嘉 夫ジ、″“’、”：
１：′ニー１FIG. 1 is a sectional view showing an embodiment of the invention, and FIG. 2 is a sectional view showing another embodiment of the invention. DESCRIPTION OF SYMBOLS 1...Silling body, 2...Piston, 3...Rot, 4...Rod contraction side oil chamber, 5...Rod expansion side oil chamber, 9...Accumulator, 11...WJ ]E”
l, 14...Relief valve, 24...Lever, 32...
...Rod, 33...Accumulator, 35...
Pressure accumulation chamber, 36...Piston, 39...Rod compression side oil chamber, 40...Relief valve, 41...Rod expansion side oil chamber, 47...Lever. Agent: Patent Attorney Matsu 1) Yoshio Ji, ““’,”:
1:'knee 1
Claims (1)
収装してロッド伸側油室とロッド縮側油室を画成する一
方、作動油を加圧するアキュームレータを備え、このア
キュームレータの蓄圧室をロッド縮側油室に開通し、同
じく蓄圧室をロッド伸側油室に該油室の作動油の圧力が
設定値以上のときに開くリリーフ弁を介して接続すると
共に、このリリーフ弁を強制的に開閉するレバーを設け
たことを特徴とするシリンダ。A piston connected to a rod is housed in the cylinder body so as to be freely slidable, thereby defining an oil chamber on the rod extension side and an oil chamber on the rod contraction side.It is also equipped with an accumulator that pressurizes hydraulic oil, and the pressure accumulation chamber of this accumulator is connected to the rod. It opens to the compression side oil chamber, and also connects the pressure accumulation chamber to the rod extension side oil chamber via a relief valve that opens when the pressure of the hydraulic oil in the oil chamber exceeds a set value. A cylinder characterized by having a lever for opening and closing.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62286222A JP2667670B2 (en) | 1987-11-12 | 1987-11-12 | Cylinder |
| US07/256,898 US4944705A (en) | 1987-10-26 | 1988-10-13 | Tilt damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62286222A JP2667670B2 (en) | 1987-11-12 | 1987-11-12 | Cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01131343A true JPH01131343A (en) | 1989-05-24 |
| JP2667670B2 JP2667670B2 (en) | 1997-10-27 |
Family
ID=17701548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62286222A Expired - Lifetime JP2667670B2 (en) | 1987-10-26 | 1987-11-12 | Cylinder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2667670B2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL1015989C2 (en) * | 2000-08-22 | 2002-02-25 | Koni Bv | Rotation damper with valve. |
| US20110057370A1 (en) * | 2009-09-08 | 2011-03-10 | Yamaha Hatsudoki Kabushiki Kaisha | Cushion device and motorcycle |
| IT201700049536A1 (en) * | 2017-05-08 | 2018-11-08 | Piaggio & C Spa | Shock absorber with selective two-way lock, wheel unit and relative motor vehicle |
| US10279641B2 (en) | 2008-04-17 | 2019-05-07 | ClearMotion, Inc. | Distributed active suspension with an electrically driven pump and valve controlled hydraulic pump bypass flow path |
| EP2461990B1 (en) * | 2009-08-03 | 2019-07-10 | ClearMotion, Inc. | Regenerative shock absorber system |
-
1987
- 1987-11-12 JP JP62286222A patent/JP2667670B2/en not_active Expired - Lifetime
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002016183A1 (en) * | 2000-08-22 | 2002-02-28 | Koni B.V. | Rotation damper with valve |
| NL1015989C2 (en) * | 2000-08-22 | 2002-02-25 | Koni Bv | Rotation damper with valve. |
| US11919348B2 (en) | 2008-04-17 | 2024-03-05 | ClearMotion, Inc. | Distributed active suspension system with an electrically driven pump and valve controlled hydraulic pump bypass flow path |
| US11110769B2 (en) | 2008-04-17 | 2021-09-07 | ClearMotion, Inc. | Distributed active suspension system with an electrically driven pump and valve controlled hydraulic pump bypass flow path |
| US10279641B2 (en) | 2008-04-17 | 2019-05-07 | ClearMotion, Inc. | Distributed active suspension with an electrically driven pump and valve controlled hydraulic pump bypass flow path |
| EP2461990B1 (en) * | 2009-08-03 | 2019-07-10 | ClearMotion, Inc. | Regenerative shock absorber system |
| EP3587854A1 (en) * | 2009-08-03 | 2020-01-01 | ClearMotion, Inc. | Regenerative shock absorber |
| US8474582B2 (en) * | 2009-09-08 | 2013-07-02 | Yamaha Hatsudoki Kabushiki Kaisha | Cushion device and motorcycle |
| US20110057370A1 (en) * | 2009-09-08 | 2011-03-10 | Yamaha Hatsudoki Kabushiki Kaisha | Cushion device and motorcycle |
| WO2018207066A1 (en) * | 2017-05-08 | 2018-11-15 | Piaggio & C. S.P.A. | Shock absorber with bidirectional selective block, wheel group and motorcycle thereof |
| CN110785580A (en) * | 2017-05-08 | 2020-02-11 | 比亚乔公司 | Shock absorber with bidirectional selective blocking function, wheel set and motorcycle with shock absorber |
| JP2020519520A (en) * | 2017-05-08 | 2020-07-02 | ピアッジオ・エ・チ・ソチエタ・ペル・アツィオーニ | Shock absorber with bidirectional selection block, wheel groove and motorcycle |
| IT201700049536A1 (en) * | 2017-05-08 | 2018-11-08 | Piaggio & C Spa | Shock absorber with selective two-way lock, wheel unit and relative motor vehicle |
| CN110785580B (en) * | 2017-05-08 | 2021-10-29 | 比亚乔公司 | Shock absorber with bidirectional selective blocking function, wheel set and motorcycle with shock absorber |
| US11708125B2 (en) | 2017-05-08 | 2023-07-25 | Piaggio & C. S.P.A | Shock absorber with bidirectional selective block, wheel group and motorcycle thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2667670B2 (en) | 1997-10-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4433759A (en) | Gas spring | |
| TW200526460A (en) | Lockout mechanism for a suspension system | |
| JP2004116779A (en) | Length adjustable compression spring | |
| JPH01131343A (en) | Cylinder | |
| JP2798922B2 (en) | Cylinder | |
| JP4368445B2 (en) | safety valve | |
| JP3100688B2 (en) | Outboard motor tilt cylinder unit | |
| JPH01131344A (en) | Cylinder | |
| JPH01131345A (en) | Cylinder | |
| JP2514945Y2 (en) | Cylinder device | |
| JPH05301597A (en) | Tilt cylinder unit of outboard engine | |
| JP3054487B2 (en) | Outboard motor tilt lock device | |
| JP2511459B2 (en) | Gas type hydraulic impact tool | |
| JP2709067B2 (en) | Cylinder | |
| JPH01112041A (en) | Cylinder | |
| JPH02212605A (en) | Fluid circuit | |
| JPH0633224Y2 (en) | Cylinder device | |
| JPH0740105Y2 (en) | Cylinder device | |
| JPH01131346A (en) | Cylinder device | |
| JP2564973Y2 (en) | Outboard motor tilt assist system | |
| JPH0752796Y2 (en) | Gas filled buffer | |
| JP2905484B2 (en) | Lock damper device for outboard motor steering | |
| JP2553177Y2 (en) | Outboard motor tilt cylinder unit | |
| JPH05248469A (en) | Strut device | |
| JPS62283052A (en) | Fluid booster device |