JPH07103896B2 - Hydraulic clutch release device - Google Patents
Hydraulic clutch release deviceInfo
- Publication number
- JPH07103896B2 JPH07103896B2 JP61030167A JP3016786A JPH07103896B2 JP H07103896 B2 JPH07103896 B2 JP H07103896B2 JP 61030167 A JP61030167 A JP 61030167A JP 3016786 A JP3016786 A JP 3016786A JP H07103896 B2 JPH07103896 B2 JP H07103896B2
- Authority
- JP
- Japan
- Prior art keywords
- piston
- cylinder chamber
- spring
- bearing
- peripheral surface
- 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 - Fee Related
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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D25/00—Fluid-actuated clutches
- F16D25/08—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member
- F16D25/082—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member the line of action of the fluid-actuated members co-inciding with the axis of rotation
- F16D25/083—Actuators therefor
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D25/00—Fluid-actuated clutches
- F16D25/08—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member
- F16D25/082—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member the line of action of the fluid-actuated members co-inciding with the axis of rotation
- F16D25/087—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member the line of action of the fluid-actuated members co-inciding with the axis of rotation the clutch being actuated by the fluid-actuated member via a diaphragm spring or an equivalent array of levers
Description
【発明の詳細な説明】 ＜産業上の利用分野＞ この発明は、自動車などのクラッチの断接操作に用いら
れる油圧式クラッチレリーズ装置に関する。Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hydraulic clutch release device used for connecting and disconnecting a clutch of an automobile or the like.
＜従来の技術＞ 従来、この種の油圧式クラッチリレーズ装置としては第
４図に示すようなものがある。このクラーチリレーズ装
置は、シリンダハウジング１に伝達軸２が貫通する中心
孔４を設け、この中心孔４の周りに環状のシリンダ室５
を形成している。一方、ピストン６は前部にシリンダ室
５から常時突出している幅のある輪状の軸受ハウジング
6aを備える一方、ピストン部本体6bとその後部にピスト
ン部本体6bの外周側に同軸に設けられた輪状の長尺ダス
トカバー6cを備える。上記軸受ハウジング6aの前面には
凹部８を形成し、この凹部８にダイヤフラムスプリング
９に当接する軸受11を収納する一方、上記ダストカバー
6cの内面をシリンダ室５の外壁5aに摺接し、上記シリン
ダ室５の外周面5bにピストン部本体6bの外周を摺接して
いる。さらに軸受ハウジグ6aの後面とシリンダハウジン
グ１との間にコイルバネ14を縮装してピストン６を図中
左方向に付勢している。そして、シリンダ室５に圧油を
吸入してピストン６を往復動させ、ダイヤフラムスプリ
ング９を押圧あるいは解除してクラッチの断接を行って
いる。<Prior Art> Conventionally, there is a hydraulic clutch relay device of this type as shown in FIG. In this Clutch Relays device, a cylinder housing 1 is provided with a central hole 4 through which a transmission shaft 2 passes, and an annular cylinder chamber 5 is provided around the central hole 4.
Is formed. On the other hand, the piston 6 is a ring-shaped bearing housing with a width that always protrudes from the cylinder chamber 5 to the front.
On the other hand, the piston portion main body 6b is provided with a ring-shaped long dust cover 6c provided coaxially on the outer peripheral side of the piston portion main body 6b. A recess 8 is formed on the front surface of the bearing housing 6a, and a bearing 11 that abuts the diaphragm spring 9 is housed in the recess 8 while the dust cover
The inner surface of 6c is in sliding contact with the outer wall 5a of the cylinder chamber 5, and the outer circumference of the piston chamber 6 is in sliding contact with the outer peripheral surface 5b of the cylinder chamber 5. Further, a coil spring 14 is compressed between the rear surface of the bearing housing 6a and the cylinder housing 1 to urge the piston 6 leftward in the drawing. Then, the pressure oil is sucked into the cylinder chamber 5 to reciprocate the piston 6 to press or release the diaphragm spring 9 to engage or disengage the clutch.
ところが、上記従来のクラッチレリーズ装置では、シリ
ンダ室５の前方に軸受ハウジング6aを設けて、軸受ハウ
ジング6aがシリンダ室５内に収納されてないため、ピス
トン６の軸方向の寸法、ひいてはクラッチレリーズ装置
の軸方向の寸法が長くなる。このため、クラッチまわり
のスペースが厳しい前輪駆動の自動車などには、上記ク
ラッチレリーズ装置を適用することが難しいという問題
がある。However, in the above-mentioned conventional clutch release device, the bearing housing 6a is provided in front of the cylinder chamber 5, and since the bearing housing 6a is not housed in the cylinder chamber 5, the axial dimension of the piston 6 and thus the clutch release device. The axial dimension of is longer. Therefore, there is a problem that it is difficult to apply the clutch release device to a front-wheel drive automobile or the like where the space around the clutch is severe.
＜発明の目的＞ そこで、この発明の目的は、ピストン内に軸受を収納す
ることにより、軸方向の寸法の短縮を図るとともに径方
向の寸法の増大を抑制し、たとえばクラッチまわりが狭
溢な前輪駆動の自動車などにも適用できるようにした油
圧式クラッチレリーズ装置を提供することにある。<Objects of the Invention> Therefore, an object of the present invention is to store a bearing in a piston to reduce the axial dimension and to suppress the radial dimension from increasing. For example, a front wheel having a narrow clutch circumference. It is an object of the present invention to provide a hydraulic clutch release device that can be applied to a driving automobile or the like.
＜発明の構成＞ 上記目的を達成するために、この発明の油圧式クラッチ
リレーズ装置は、伝達軸が貫通する中心孔の周りに環状
のシリンダ室を有するシリンダハウジングと、上記シリ
ンダ室の内周面および外周面に摺動自在に嵌合されたピ
ストンと、該ピストンの嵌合部のダイヤフラムスプリン
グ側の端面に形成された断面略コ字形の軸方向凹部から
なる軸受保持部と、該ピストンの上記軸受保持部と反対
側の端面に形成された、外径が上記軸受保持部の外径よ
りも小さくかつ内径が上記軸受保持部の内径よりも大き
い輪状のバネ支持部と、上記ピストンの軸受保持部内に
収納され、ダイヤフラムスプリングに一部が当接する軸
受と、上記バネ支持部と上記シリンダ室の対向面との間
に縮装されて上記ピストンを上記シリンダ室から外方に
向けて付勢するバネと、上記バネ支持部の内周と外周に
設けられ、上記シリンダ室の内周面、外周面とそれぞれ
摺接して上記シリンダ室を密封する一対のシール材を備
えたことを特徴としている。<Structure of the Invention> In order to achieve the above object, a hydraulic clutch relay device of the present invention is a cylinder housing having an annular cylinder chamber around a central hole through which a transmission shaft passes, and an inner peripheral surface of the cylinder chamber. And a piston that is slidably fitted to the outer peripheral surface, a bearing holding portion that is formed on the end surface of the fitting portion of the piston on the side of the diaphragm spring, and that has an axial concave portion with a substantially U-shaped cross section, and the piston described above. A ring-shaped spring support portion formed on an end surface opposite to the bearing holding portion, the outer diameter of which is smaller than the outer diameter of the bearing holding portion and the inner diameter of which is larger than the inner diameter of the bearing holding portion, and the bearing holding portion of the piston. Is housed inside the cylinder chamber and partially abutted against the diaphragm spring, and is compressed between the spring supporting portion and the facing surface of the cylinder chamber to direct the piston outward from the cylinder chamber. And a pair of seal members provided on the inner and outer circumferences of the spring support portion and slidingly contacting the inner and outer peripheral surfaces of the cylinder chamber to seal the cylinder chamber. Is characterized by.
＜実施例＞ 以下、この発明を図面の実施例により詳細に説明する。<Example> Hereinafter, the present invention will be described in detail with reference to an example of the drawings.
第１図はこの発明の一実施例を示す断面図であり、21は
シリンダハウジング、22はシリンダハウジング21に設け
られ、伝達軸24が貫通する中心孔25の周りに形成した環
状のシリンダ室、26は環状のシリンダ室22内の内周面22
aおよび外周面22bに摺動自在に嵌合したピストンであ
る。FIG. 1 is a sectional view showing an embodiment of the present invention, in which 21 is a cylinder housing, 22 is a cylinder housing, and an annular cylinder chamber is formed around a central hole 25 through which a transmission shaft 24 passes, Reference numeral 26 denotes an inner peripheral surface 22 in the annular cylinder chamber 22.
The piston is slidably fitted to a and the outer peripheral surface 22b.
上記シリンダ室22に嵌合しているピストン26の嵌合部の
ダイヤフラムスプリング側の端面に断面略コ字形の軸方
向凹部からなる軸受保持部27を形成している。一方、ピ
ストン26の後部に、外径が軸受保持部27の外径よりも小
さくかつ内径が軸受保持部27の外径よりも大きい、短か
い輪状のバネ支持部28を形成している。上記軸受保持部
27内に軸受としてのクラッチリレーズベアリング29を収
納している。上記クラッチリレーズベアリング29は、そ
の外輪29aを軸受保持部27の端面27aに固定する一方、そ
の内輪29bを支持部材31を介してダイヤフラムスプリン
グ32に当接している。こうして、上記ピストン26に、シ
リンダ室22内を左右方向に摺動してダイヤフラムスプリ
ング32を動作させる機能の外に、クラッチリレーズベア
リング29を収納するハウジングとしての機能を持たせて
いる。A bearing holding portion 27, which is an axial concave portion having a substantially U-shaped cross section, is formed on the end surface on the diaphragm spring side of the fitting portion of the piston 26 fitted in the cylinder chamber 22. On the other hand, a short ring-shaped spring support portion 28 having an outer diameter smaller than the outer diameter of the bearing holding portion 27 and an inner diameter larger than the outer diameter of the bearing holding portion 27 is formed in the rear portion of the piston 26. Bearing holding part
A clutch relay bearing 29 as a bearing is housed in 27. The clutch relays bearing 29 has its outer ring 29a fixed to the end surface 27a of the bearing holding portion 27, while its inner ring 29b is in contact with the diaphragm spring 32 via the support member 31. Thus, the piston 26 has a function as a housing for accommodating the clutch relay bearing 29, in addition to a function for sliding the left and right in the cylinder chamber 22 to operate the diaphragm spring 32.
一方、上記バネ支持部28の端面に輪状の溝28aを設けて
いる。バネ支持部28の溝28aの底面とシリンダ室22の底
面22cとの間にコイルバネ34を縮装して、ピストン26を
シリンダ室22から外方に向けて付勢している。コイルバ
ネ34は、第２図に示すようにその一端部34aをバネ支持
部28の溝28aの底面28bに設けた径方向の凹部35に係合し
ている。同様にシリンダ室22の底面22cにも凹部が設け
られ、コイルバネ34の他端部45bが係合している。そし
て、ピストン26とシリンダハウジング21との間の円周方
向の相対回転を防止し、摩擦による摩耗を防いでいる。
またバネ支持部28の外周面28cと内周面28dの先端には環
状フランジ28e,28fを設け、上記外周面28cにＵパッキン
である外シール材36を配置し、その外シール材36をバネ
支持部28の先端に設けたフランジ28eで抜け止めし、ま
た上記内周面28dにＵパッキンである内シール材38を配
置し、その内シール材38をバネ支持部28の先端に設けた
フランジ28fで抜け止めしている。またシリンダハウジ
ング21にはマスタシリンダ（図示せず）からの圧油をシ
リンダ室22に吸入する給油孔39を設けている。上記圧油
は内，外シール材38,36でシールされる。なお、41,42は
軸受保持部27の外周面27bおよび内周面27cにそれぞれ設
けたグリース溜めである。On the other hand, a ring-shaped groove 28a is provided on the end surface of the spring support portion 28. The coil spring 34 is contracted between the bottom surface of the groove 28a of the spring support portion 28 and the bottom surface 22c of the cylinder chamber 22 to urge the piston 26 outward from the cylinder chamber 22. As shown in FIG. 2, the coil spring 34 has one end 34a engaged with a radial recess 35 provided on the bottom surface 28b of the groove 28a of the spring support 28. Similarly, a recess is also provided on the bottom surface 22c of the cylinder chamber 22, and the other end 45b of the coil spring 34 is engaged with the recess. Further, relative rotation in the circumferential direction between the piston 26 and the cylinder housing 21 is prevented, and wear due to friction is prevented.
Further, annular flanges 28e and 28f are provided at the tips of the outer peripheral surface 28c and the inner peripheral surface 28d of the spring support portion 28, an outer seal material 36 which is a U packing is arranged on the outer peripheral surface 28c, and the outer seal material 36 is used as a spring. A flange 28e provided at the tip of the support portion 28 is used to prevent it from coming off, and an inner seal material 38, which is a U packing, is disposed on the inner peripheral surface 28d, and the inner seal material 38 is provided at the tip of the spring support portion 28. It keeps coming off at 28f. Further, the cylinder housing 21 is provided with an oil supply hole 39 for sucking pressure oil from a master cylinder (not shown) into the cylinder chamber 22. The pressure oil is sealed by inner and outer sealing materials 38 and 36. Reference numerals 41 and 42 denote grease reservoirs provided on the outer peripheral surface 27b and the inner peripheral surface 27c of the bearing holder 27, respectively.
このようにシリンダ室22内部に軸受29を内蔵するピスン
ト26を収納したので、軸受29のための部分および寸法を
必要とせず、軸方向の寸法を短縮できる。As described above, since the pistunto 26 having the bearing 29 built therein is housed inside the cylinder chamber 22, the portion and the dimension for the bearing 29 are not required, and the axial dimension can be shortened.
また、ピストン26をシリンダ室22の内周面22a,外周面22
bに摺動自在に嵌合し、バネ支持部28の内周と外周に一
対のシール材38,36を設けることによりシリンダ室22に
油を密封している。このシール材38,36を設けるための
空間は、ピストン26の後部にバネ支持部28を形成したこ
とによって作ったものであるから、シリンダ室の内周面
22aと外周面22bとの間にピストン26の径方向の幅を超え
る空間を設ける必要がなく、径方向の寸法の増大を抑制
することができる。Further, the piston 26 is attached to the inner peripheral surface 22a and the outer peripheral surface 22a of the cylinder chamber 22.
Oil is sealed in the cylinder chamber 22 by slidably fitting to b and by providing a pair of seal members 38 and 36 on the inner circumference and the outer circumference of the spring support portion 28. Since the space for providing the seal members 38, 36 is formed by forming the spring support portion 28 at the rear portion of the piston 26, the inner peripheral surface of the cylinder chamber
It is not necessary to provide a space that exceeds the radial width of piston 26 between 22a and outer circumferential surface 22b, and an increase in radial dimension can be suppressed.
結果として、このクラッチリレーズ装置は、クラッチま
わりが狭溢な場合でも容易に用いることができる。As a result, this clutch relay device can be easily used even when the clutch circumference is narrow.
上記実施例では、第２図に示すように、コイルバネ34の
一端部34aをピストン26におけるバネ支持部28の溝28aの
凹部35に嵌合し、かつシリンダハウジング21のシリンダ
室22に設けた凹部にコイルバネ34の他端部45bを嵌合し
てコイルバネ34を回り止めしている。また第３図に示す
ように、ピストン26におけるバネ支持部28に設けた突起
45にコイルバネ34の一端部34aをはめ込み、かつ同様に
形成したシリンダハウジング21に設けた突起45にコイル
バネ34の他端部をはめ込むことによりコイルバネ34を回
り止めしてもよい。In the above embodiment, as shown in FIG. 2, one end 34a of the coil spring 34 is fitted into the recess 35 of the groove 28a of the spring support 28 of the piston 26, and the recess is provided in the cylinder chamber 22 of the cylinder housing 21. The other end 45b of the coil spring 34 is fitted to the coil spring 34 to prevent the coil spring 34 from rotating. Further, as shown in FIG. 3, a protrusion provided on the spring support portion 28 of the piston 26.
The coil spring 34 may be prevented from rotating by fitting one end portion 34a of the coil spring 34 into 45 and fitting the other end portion of the coil spring 34 into a protrusion 45 provided on the cylinder housing 21 which is similarly formed.
＜発明の効果＞ 以上より明らかなように、この発明によれば、シリンダ
室内部に軸受を内蔵するピストンを収容するようにした
ので、クラッチリレーズ装置全体として軸方向の寸法を
短くするとともに径方向の寸法の増大を抑制でき、コン
パクト化を達成できる。<Effects of the Invention> As is clear from the above, according to the present invention, since the piston having the bearing therein is housed in the cylinder chamber, the axial dimension of the entire clutch relays device is shortened and the radial direction is reduced. It is possible to suppress an increase in size and to achieve compactness.
第１図はこの発明の一実施例の油圧式クラッチリレーズ
装置の断面図、第２図はシリンダ室内部にバネを回り止
めした状態図、第３図は異なる実施例におけるバネを回
り止めした状態図、第４図は従来例の油圧式クラッチリ
レーズ装置の断面図である。 21……シリンダハウジング、22……シリンダ室、22a…
…内周面、 22b……外周面、24……伝達軸、25……中心孔、26……
ピストン、 27……軸受保持部、29……軸受、32……ダイヤフラムス
プリング、34……バネ。FIG. 1 is a sectional view of a hydraulic clutch relay device according to an embodiment of the present invention, FIG. 2 is a state diagram in which a spring is prevented from rotating in a cylinder chamber, and FIG. 3 is a state in which a spring is prevented from rotating in a different embodiment. FIG. 4 and FIG. 4 are cross-sectional views of a conventional hydraulic clutch relay device. 21 ... Cylinder housing, 22 ... Cylinder chamber, 22a ...
… Inner surface, 22b …… Outer surface, 24 …… Transmission shaft, 25 …… Center hole, 26 ……
Piston, 27 …… Bearing holder, 29 …… Bearing, 32 …… Diaphragm spring, 34 …… Spring.
Claims (1)
リンダ室を有するシリンダハウジングと、上記シリンダ
室の内周面および外周面に摺動自在に嵌合されたピスト
ンと、該ピストンの嵌合部のダイヤフラムスプリング側
の端面に形成された断面略コ字形の軸方向凹部からなる
軸受保持部と、該ピストンの上記軸受保持部と反対側の
端面に形成された、外径が上記軸受保持部の外径よりも
小さくかつ内径が上記軸受保持部の内径よりも大きい輪
状のバネ支持部と、上記ピストンの軸受保持部内に収納
され、ダイヤフラムスプリングに一部が当接する軸受
と、上記バネ支持部と上記シリンダ室の対向面との間に
縮装されて上記ピストンを上記シリンダ室から外方に向
けて付勢するバネと、上記バネ支持部の内周と外周に設
けられ、上記シリンダ室の内周面、外周面とそれぞれ摺
接して上記シリンダ室を密封する一対のシール材を備え
たことを特徴とする油圧式クラッチリレーズ装置。1. A cylinder housing having an annular cylinder chamber around a center hole through which a transmission shaft penetrates, a piston slidably fitted to an inner peripheral surface and an outer peripheral surface of the cylinder chamber, and a piston of the piston. A bearing holding portion formed of an axial recess having a substantially U-shaped cross section formed on an end surface of the fitting portion on the diaphragm spring side, and an outer diameter of the bearing formed on an end surface of the piston opposite to the bearing holding portion. A ring-shaped spring support part having an inner diameter smaller than the outer diameter of the holding part and having an inner diameter larger than the inner diameter of the bearing holding part, a bearing housed in the bearing holding part of the piston, and a part of which abuts against the diaphragm spring, and the spring. A spring that is compressed between the support portion and the opposing surface of the cylinder chamber to urge the piston outward from the cylinder chamber, and a spring provided on the inner and outer circumferences of the spring support portion. The inner peripheral surface of the chamber, hydraulic clutch relay's apparatus, respectively and the outer peripheral surface in sliding contact characterized by comprising a pair of sealing members for sealing the cylinder chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61030167A JPH07103896B2 (en) | 1986-02-13 | 1986-02-13 | Hydraulic clutch release device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61030167A JPH07103896B2 (en) | 1986-02-13 | 1986-02-13 | Hydraulic clutch release device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62188823A JPS62188823A (en) | 1987-08-18 |
| JPH07103896B2 true JPH07103896B2 (en) | 1995-11-08 |
Family
ID=12296194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61030167A Expired - Fee Related JPH07103896B2 (en) | 1986-02-13 | 1986-02-13 | Hydraulic clutch release device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07103896B2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH053778Y2 (en) * | 1988-11-09 | 1993-01-29 | ||
| JPH0628359U (en) * | 1992-09-18 | 1994-04-15 | 光洋精工株式会社 | Hydraulically operated clutch disengagement device |
| US5364474A (en) * | 1993-07-23 | 1994-11-15 | Williford Jr John F | Method for removing particulate matter |
| DE19627617C2 (en) * | 1996-07-09 | 2001-02-08 | Mannesmann Sachs Ag | Slave cylinder for hydraulic actuation of a motor vehicle clutch |
| DE112012003262A5 (en) * | 2011-08-05 | 2014-05-08 | Schaeffler Technologies Gmbh & Co. Kg | release system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52131552U (en) * | 1976-03-29 | 1977-10-06 | ||
| JPS5546234A (en) * | 1978-09-26 | 1980-03-31 | Nippon Denso Co | Spark plug for internal combustion engine |
-
1986
- 1986-02-13 JP JP61030167A patent/JPH07103896B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62188823A (en) | 1987-08-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |