JPH07119759A - Wet type friction clutch - Google Patents
Wet type friction clutchInfo
- Publication number
- JPH07119759A JPH07119759A JP5261453A JP26145393A JPH07119759A JP H07119759 A JPH07119759 A JP H07119759A JP 5261453 A JP5261453 A JP 5261453A JP 26145393 A JP26145393 A JP 26145393A JP H07119759 A JPH07119759 A JP H07119759A
- Authority
- JP
- Japan
- Prior art keywords
- oil
- friction plates
- piston member
- transmission shaft
- friction
- 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
Landscapes
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、複数枚のリング状の摩
擦板とピストン部材とを備えて構成される湿式の摩擦ク
ラッチの潤滑の構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lubrication structure for a wet type friction clutch, which comprises a plurality of ring-shaped friction plates and a piston member.
【０００２】[0002]
【従来の技術】前述のような湿式の摩擦クラッチの一例
が、特開昭６３−１５２７５１号公報に開示されてい
る。この摩擦クラッチでは前記公報の第２図に示すよう
に、第１伝動軸（前記公報の第２図中の９）と、第２伝
動軸（前記公報の第２図中の８）とを同芯状に対向配置
して、第１伝動軸の端部にリング状の摩擦板（前記公報
の第２図中の２５，２６）の内周部を支持する支持部材
（前記公報の第２図中の２３）を固定し、第２伝動軸の
端部にリング状の摩擦板の外周部を支持するクラッチケ
ース（前記公報の第２図中の２１）を固定している。2. Description of the Related Art An example of the wet friction clutch as described above is disclosed in Japanese Patent Laid-Open No. 63-152751. In this friction clutch, as shown in FIG. 2 of the publication, the first transmission shaft (9 in FIG. 2 of the publication) and the second transmission shaft (8 in FIG. 2 of the publication) are the same. A support member (see FIG. 2 of the above-mentioned publication, which is arranged to face the core and supports the inner peripheral portion of a ring-shaped friction plate (25, 26 in FIG. 2 of the above-mentioned publication) at the end of the first transmission shaft. 23) is fixed, and a clutch case (21 in FIG. 2 of the publication) for supporting the outer peripheral portion of the ring-shaped friction plate is fixed to the end of the second transmission shaft.
【０００３】そして、クラッチケースの内奥部にピスト
ン部材（前記公報の第２図中の２７）を配置して、ピス
トン部材とクラッチケースの内奥の壁部との間に形成さ
れる油室に作動油を供給し、ピストン部材を摩擦板側に
移動させてこれを押圧し、第１伝動軸と第２伝動軸とを
連結状態とするように構成している。A piston member (27 in FIG. 2 of the above publication) is arranged inside the clutch case, and an oil chamber formed between the piston member and the inside wall of the clutch case. The hydraulic oil is supplied to the piston, the piston member is moved to the friction plate side and pressed, and the first transmission shaft and the second transmission shaft are connected to each other.
【０００４】[0004]
【発明が解決しようとする課題】前述のような湿式の摩
擦クラッチの全体を収容するケース内には潤滑油が満た
されており、この潤滑油により摩擦クラッチの冷却及び
潤滑が行われている。しかし、前記公報の摩擦クラッチ
においては、ピストン部材とこれに直に対向している摩
擦板との間の空間は、クラッチケースの内奥部に入り込
んだ位置となっているので、この空間内の潤滑油は滞留
し易く外部に出て行き難い状態となっている。Lubricating oil is filled in the case for accommodating the entire wet friction clutch as described above, and this friction oil cools and lubricates the friction clutch. However, in the friction clutch of the above-mentioned publication, the space between the piston member and the friction plate directly opposed to the piston member is located inside the inner part of the clutch case. The lubricating oil is apt to stay and is difficult to go out.
【０００５】従って、クラッチケースの端部側（前記公
報の第２図中の紙面右側）の摩擦板に比べて、前述の空
間に直に対向する摩擦板が冷却及び潤滑の面で不利な状
態となっており、改善の余地がある。本発明は前述のよ
うな湿式の摩擦クラッチにおいて、クラッチケースの内
奥部側の摩擦板の冷却及び潤滑を改善することを目的と
している。Therefore, as compared with the friction plate on the end side of the clutch case (on the right side of the drawing in FIG. 2 of the above publication), the friction plate directly opposed to the above-mentioned space is disadvantageous in terms of cooling and lubrication. There is room for improvement. An object of the present invention is to improve the cooling and lubrication of the friction plate on the inner back side of the clutch case in the wet friction clutch as described above.
【０００６】[0006]
【課題を解決するための手段】本発明の特徴は以上のよ
うな湿式の摩擦クラッチにおいて、次のように構成する
ことにある。つまり、同芯状に対向配置された第１伝動
軸と第２伝動軸のうちの第１伝動軸の端部に、リング状
の摩擦板の内周部を支持する支持部材を固定し、第２伝
動軸の端部に、リング状の摩擦板の外周部を支持するク
ラッチケースを固定して、支持部材とクラッチケースと
に亘って複数枚のリング状の摩擦板を配置し、クラッチ
ケースの内奥部にピストン部材を配置して、ピストン部
材とクラッチケースの内奥の壁部との間に形成される油
室に作動油を供給し、ピストン部材を摩擦板側に移動さ
せてこれを押圧して、第１伝動軸と第２伝動軸とを連結
状態とするように構成すると共に、油室内に供給される
作動油の一部を摩擦板側に供給する絞り油路を、ピスト
ン部材における摩擦板に対向する部分に設けてある。A feature of the present invention is that the wet friction clutch as described above is constructed as follows. That is, a support member that supports the inner peripheral portion of the ring-shaped friction plate is fixed to the end of the first transmission shaft of the first transmission shaft and the second transmission shaft that are concentrically opposed to each other. 2 A clutch case that supports the outer peripheral portion of the ring-shaped friction plate is fixed to the end of the transmission shaft, and a plurality of ring-shaped friction plates are arranged between the support member and the clutch case. By arranging the piston member inside the inner part, supplying hydraulic oil to the oil chamber formed between the piston member and the inner wall part of the clutch case, moving the piston member to the friction plate side The first transmission shaft and the second transmission shaft are configured to be pressed to be connected to each other, and the throttle oil passage for supplying a part of the hydraulic oil supplied into the oil chamber to the friction plate side is provided with the piston member. It is provided in the part facing the friction plate.
【０００７】[0007]
【作用】本発明のように構成すると例えば図１及び図２
に示すように、油室１２に作動油が供給されてピストン
部材７が紙面左方の摩擦板３，４側に移動し始めると、
油室１２内の作動油の一部が絞り油路１４，１５を通
り、潤滑油として摩擦板３，４側に供給される。このよ
うに、ピストン部材７とこれに直に対向している摩擦板
３，４との間の空間に新たな潤滑油が直接供給される
と、以前からこの空間に滞留していた潤滑油が前述の新
たな潤滑油により押し出されていく。従って、油室１２
に作動油を供給する操作（第１及び第２伝動軸１，２を
連結状態にする操作）を行う毎に、前述の空間の潤滑油
が新しい潤滑油に交換されることになる。When configured as in the present invention, for example, FIGS.
As shown in, when hydraulic oil is supplied to the oil chamber 12 and the piston member 7 starts to move to the friction plates 3 and 4 on the left side of the drawing,
Part of the hydraulic oil in the oil chamber 12 passes through the throttle oil passages 14 and 15 and is supplied to the friction plates 3 and 4 as lubricating oil. As described above, when new lubricating oil is directly supplied to the space between the piston member 7 and the friction plates 3 and 4 which are directly opposed to the piston member 7, the lubricating oil retained in this space from before is removed. It is pushed out by the new lubricating oil mentioned above. Therefore, the oil chamber 12
Every time the operation of supplying the hydraulic oil to the engine is performed (the operation of bringing the first and second transmission shafts 1 and 2 into the connected state), the lubricating oil in the space described above is replaced with new lubricating oil.
【０００８】又、前述の空間への潤滑油供給用として絞
り油路１４，１５をピストン部材７に設けて、油室１２
内の作動油の一部を前述の空間に潤滑油として供給する
ように構成しているので、油室１２内の圧力が大きく低
下して、ピストン部材７を摩擦板３，４側に移動させる
ことができないと言うような不都合もない。In addition, throttle oil passages 14 and 15 are provided in the piston member 7 for supplying the lubricating oil to the above-mentioned space, and the oil chamber 12
Since a part of the hydraulic oil therein is supplied to the above-mentioned space as lubricating oil, the pressure in the oil chamber 12 is greatly reduced and the piston member 7 is moved to the friction plates 3 and 4 side. There is no inconvenience that you cannot do it.
【０００９】[0009]
【発明の効果】以上のように、油室に作動油を供給して
第１及び第２伝動軸を連結状態にする操作を行う毎に、
摩擦板とピストン部材との間の空間の潤滑油が新しい潤
滑油に交換されるように構成することにより、この空間
に直に対向する摩擦板に対して常に新しい潤滑油が接す
る状態となって、この摩擦板の冷却及び潤滑が充分に行
われるようになり、摩擦クラッチの耐久性を向上させる
ことができた。As described above, every time the operation of supplying the hydraulic oil to the oil chamber to bring the first and second transmission shafts into the connected state is performed,
By configuring the lubricating oil in the space between the friction plate and the piston member to be replaced with new lubricating oil, new lubricating oil is always in contact with the friction plate directly facing this space. The cooling and lubrication of the friction plate are now sufficiently performed, and the durability of the friction clutch can be improved.
【００１０】[0010]
【実施例】以下、本発明の実施例を図面に基づいて説明
する。図２に示すように、伝動上手側の第１伝動軸１と
伝動下手側の第２伝動軸２とが同芯状に配置されてい
る。第１伝動軸１の端部にリング状の第１摩擦板３の内
周部を支持する支持部材５を固定し、第２伝動軸２の端
部にリング状の第２摩擦板４の外周部を支持するクラッ
チケース６を固定しており、支持部材５側の第１摩擦板
３とクラッチケース６側の第２摩擦板４とを各々交互に
配置している。Embodiments of the present invention will be described below with reference to the drawings. As shown in FIG. 2, the first transmission shaft 1 on the transmission upper side and the second transmission shaft 2 on the lower transmission side are arranged concentrically. A support member 5 that supports the inner peripheral portion of the ring-shaped first friction plate 3 is fixed to the end portion of the first transmission shaft 1, and the outer periphery of the ring-shaped second friction plate 4 is attached to the end portion of the second transmission shaft 2. The clutch case 6 that supports the parts is fixed, and the first friction plates 3 on the support member 5 side and the second friction plates 4 on the clutch case 6 side are alternately arranged.
【００１１】この場合、後述するピストン部材７側の第
１及び第２摩擦板３，４を少し厚いものに設定してお
り、クラッチケース６の紙面左側の端部側ほど、第１及
び第２摩擦板３，４の厚みが少しずつ薄くなっていくよ
うに、各第１及び第２摩擦板３，４の厚みを設定してい
る。又、支持部材５に、潤滑油の通過用の開孔５ａを設
けている。In this case, the first and second friction plates 3 and 4 on the piston member 7 side, which will be described later, are set to be slightly thicker, and the first and second friction plates are located closer to the left end of the clutch case 6 in the drawing. The thickness of each of the first and second friction plates 3 and 4 is set so that the thickness of the friction plates 3 and 4 gradually decreases. Further, the support member 5 is provided with an opening 5a for passage of lubricating oil.
【００１２】クラッチケース６の内奥部にピストン部材
７を、紙面左右方向にスライド自在に配置している。ク
ラッチケース６の紙面左側の端部に、リング状の支持板
８が取り付けられ、この支持板８に複数個のロッド９が
紙面左右方向にスライド自在に支持されており、ロッド
９に固定されたリング板１０がピストン部材７に当てつ
けられ、ロッド９及びピストン部材７を紙面右方（第１
及び第２摩擦板３，４から離れる方向）に付勢するバネ
１１が備えられている。A piston member 7 is disposed inside the clutch case 6 so as to be slidable in the lateral direction of the drawing. A ring-shaped support plate 8 is attached to the left end of the clutch case 6 on the paper surface, and a plurality of rods 9 are supported on the support plate 8 slidably in the left-right direction on the paper surface and fixed to the rod 9. The ring plate 10 is attached to the piston member 7, and the rod 9 and the piston member 7 are placed on the right side of the drawing (first
And a spring 11 that urges the second friction plates 3 and 4 away from each other.
【００１３】図１及び図２に示すように、ピストン部材
７とクラッチケース６の内奥の壁部との間に油室１２が
形成されている。これにより、油路１３を介して油室１
２に作動油を供給し、バネ１１に抗してピストン部材７
を第１及び第２摩擦板３，４側に移動させて、ピストン
部材７により第１及び第２摩擦板３，４を押圧すること
によって、第１伝動軸１と第２伝動軸２とを連結状態と
する。As shown in FIGS. 1 and 2, an oil chamber 12 is formed between the piston member 7 and the inner wall of the clutch case 6. This allows the oil chamber 1 to pass through the oil passage 13.
2 supplies hydraulic fluid to the piston member 7 against the spring 11.
Is moved to the first and second friction plates 3 and 4 side, and the first and second friction plates 3 and 4 are pressed by the piston member 7, so that the first transmission shaft 1 and the second transmission shaft 2 are separated from each other. Connected.
【００１４】図１及び図２に示すようにピストン部材７
内において、クラッチケース６側の油室１２に連通する
絞り油路１４、第１及び第２摩擦板３，４に対向する絞
り油路１５、両絞り油路１４，１５を接続する油室１６
が形成されている。そして、油室１６内にポペット１
７、及びこのポペット１７を絞り油路１４の閉じ側に付
勢するバネ１８を備えている。As shown in FIGS. 1 and 2, the piston member 7
In the inside, a throttle oil passage 14 communicating with the oil chamber 12 on the clutch case 6 side, a throttle oil passage 15 facing the first and second friction plates 3 and 4, an oil chamber 16 connecting both throttle oil passages 14 and 15.
Are formed. And poppet 1 in the oil chamber 16
7, and a spring 18 for urging the poppet 17 toward the closing side of the throttle oil passage 14.
【００１５】これにより、図１及び図２に示すように油
室１２に作動油を供給していない状態（第１及び第２伝
動軸１，２が連結操作されていない状態）では、バネ１
８の付勢力によりポペット１７が絞り油路１４を閉じて
いる。そして、油室１２に作動油が供給されてピストン
部材７が紙面左方の第１及び第２摩擦板３，４側に移動
し始めると、油室１２内の作動油の一部がポペット１７
を押し開いて、絞り油路１４及び油室１６を通り絞り油
路１５から、第１及び第２摩擦板３，４側に潤滑油とし
て供給される。As a result, as shown in FIGS. 1 and 2, when the hydraulic oil is not supplied to the oil chamber 12 (when the first and second transmission shafts 1 and 2 are not connected and operated), the spring 1
Due to the biasing force of 8, the poppet 17 closes the throttle oil passage 14. Then, when the hydraulic oil is supplied to the oil chamber 12 and the piston member 7 starts to move toward the first and second friction plates 3 and 4 on the left side of the drawing, a part of the hydraulic oil in the oil chamber 12 is partially removed.
Is pushed open and is supplied as lubricating oil from the throttle oil passage 15 through the throttle oil passage 14 and the oil chamber 16 to the first and second friction plates 3, 4 side.
【００１６】〔別実施例〕図１に示す構成をピストン部
材７の円周方向の複数箇所に等間隔で配置してもよく、
図１の構成においてポペット１７及びバネ１８を装備せ
ずに、１本の絞り油路を油室１２側から第１及び第２摩
擦板３，４側に貫通させてもよい。図２の実施例では第
１伝動軸１が伝動上手側であるが、この第１伝動軸１を
伝動下手側とし第２伝動軸２を伝動上手側として設定し
てもよい。[Other Embodiments] The structure shown in FIG. 1 may be arranged at a plurality of positions in the circumferential direction of the piston member 7 at equal intervals.
In the configuration of FIG. 1, one throttle oil passage may be penetrated from the oil chamber 12 side to the first and second friction plates 3 and 4 without equipping the poppet 17 and the spring 18. In the embodiment shown in FIG. 2, the first transmission shaft 1 is on the transmission upper side, but the first transmission shaft 1 may be set on the lower transmission side and the second transmission shaft 2 may be set on the upper transmission side.
【００１７】尚、特許請求の範囲の項に図面との対照を
便利にする為に符号を記すが、該記入により本発明は添
付図面の構成に限定されるものではない。It should be noted that reference numerals are added to the claims for convenience of comparison with the drawings, but the present invention is not limited to the configurations of the accompanying drawings by the entry.
【図１】湿式の摩擦クラッチにおけるピストン部材付近
の縦断側面図FIG. 1 is a vertical cross-sectional side view near a piston member in a wet friction clutch.
【図２】湿式の摩擦クラッチ全体の縦断側面図FIG. 2 is a vertical sectional side view of the entire wet friction clutch.
１ 第１伝動軸 ２ 第２伝動軸 ３，４ 摩擦板 ５ 支持部材 ６ クラッチケース ７ ピストン部材 １２ 油室 １４，１５ 絞り油路 1 1st transmission shaft 2 2nd transmission shaft 3,4 Friction plate 5 Support member 6 Clutch case 7 Piston member 12 Oil chamber 14,15 Throttle oil passage
Claims (1)
（１）と第２伝動軸（２）のうちの第１伝動軸（１）の
端部に、リング状の摩擦板（３）の内周部を支持する支
持部材（５）を固定し、前記第２伝動軸（２）の端部
に、リング状の摩擦板（４）の外周部を支持するクラッ
チケース（６）を固定して、前記支持部材（５）とクラ
ッチケース（６）とに亘って複数枚のリング状の摩擦板
（３），（４）を配置し、 前記クラッチケース（６）の内奥部にピストン部材
（７）を配置して、前記ピストン部材（７）とクラッチ
ケース（６）の内奥の壁部との間に形成される油室（１
２）に作動油を供給し、前記ピストン部材（７）を前記
摩擦板（３），（４）側に移動させてこれを押圧して、
前記第１伝動軸（１）と第２伝動軸（２）とを連結状態
とするように構成すると共に、 前記油室（１２）内に供給される作動油の一部を前記摩
擦板（３），（４）側に供給する絞り油路（１４），
（１５）を、前記ピストン部材（７）における前記摩擦
板（３），（４）に対向する部分に設けてある湿式の摩
擦クラッチ。1. A ring-shaped friction plate (3) is provided at an end of a first transmission shaft (1) of a first transmission shaft (1) and a second transmission shaft (2) which are concentrically opposed to each other. ) Is fixed, and a clutch case (6) for supporting the outer peripheral portion of the ring-shaped friction plate (4) is fixed to the end portion of the second transmission shaft (2). A plurality of ring-shaped friction plates (3) and (4) are fixed and arranged between the support member (5) and the clutch case (6), and the friction plates (3) and (4) are arranged inside the clutch case (6). An oil chamber (1) formed by arranging a piston member (7) and between the piston member (7) and the inner wall of the clutch case (6).
2) hydraulic fluid is supplied, the piston member (7) is moved to the friction plates (3), (4) side and pressed,
The first transmission shaft (1) and the second transmission shaft (2) are configured to be connected to each other, and a part of the hydraulic oil supplied into the oil chamber (12) is part of the friction plate (3). ), (4) side throttle oil passage (14),
A wet friction clutch (15) is provided in a portion of the piston member (7) facing the friction plates (3) and (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5261453A JPH07119759A (en) | 1993-10-20 | 1993-10-20 | Wet type friction clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5261453A JPH07119759A (en) | 1993-10-20 | 1993-10-20 | Wet type friction clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH07119759A true JPH07119759A (en) | 1995-05-09 |
Family
ID=17362107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5261453A Pending JPH07119759A (en) | 1993-10-20 | 1993-10-20 | Wet type friction clutch |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07119759A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100551766B1 (en) * | 1998-09-15 | 2006-02-13 | 보르그워너 인코퍼레이티드 | Multi-Disk Friction Device Having Forced Lubrication on Demand |
| KR100624181B1 (en) * | 1999-08-24 | 2006-09-13 | 보르그워너 인코퍼레이티드 | Multi-Disk Friction Device Having Forced Lubrication on Demand |
| JP2006300266A (en) * | 2005-04-22 | 2006-11-02 | Toyota Motor Corp | Wet clutch device for automatic transmission |
| JP2011106496A (en) * | 2009-11-13 | 2011-06-02 | Fuji Heavy Ind Ltd | Motor cooling structure |
| JP2011524499A (en) * | 2008-06-19 | 2011-09-01 | シェフラー テクノロジーズ ゲゼルシャフト ミット ベシュレンクテル ハフツング ウント コンパニー コマンディートゲゼルシャフト | Switchable clutch device, in particular a frictionally connected wet clutch, a power train used in a hybrid system, a method for operating such a power train and a vehicle with such a power train |
| JP2011524498A (en) * | 2008-06-19 | 2011-09-01 | シェフラー テクノロジーズ ゲゼルシャフト ミット ベシュレンクテル ハフツング ウント コンパニー コマンディートゲゼルシャフト | In particular, a switchable clutch device in a disk structure, a power train used in a hybrid system, and a vehicle |
| CN104482069A (en) * | 2014-12-04 | 2015-04-01 | 湖南江麓容大车辆传动股份有限公司 | Clutch lubrication device |
| CN117948399A (en) * | 2024-03-27 | 2024-04-30 | 陕西法士特汽车传动集团有限责任公司 | Piston control multifunctional differential for agricultural machinery power shift transmission |
-
1993
- 1993-10-20 JP JP5261453A patent/JPH07119759A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100551766B1 (en) * | 1998-09-15 | 2006-02-13 | 보르그워너 인코퍼레이티드 | Multi-Disk Friction Device Having Forced Lubrication on Demand |
| KR100624181B1 (en) * | 1999-08-24 | 2006-09-13 | 보르그워너 인코퍼레이티드 | Multi-Disk Friction Device Having Forced Lubrication on Demand |
| JP2006300266A (en) * | 2005-04-22 | 2006-11-02 | Toyota Motor Corp | Wet clutch device for automatic transmission |
| JP2011524499A (en) * | 2008-06-19 | 2011-09-01 | シェフラー テクノロジーズ ゲゼルシャフト ミット ベシュレンクテル ハフツング ウント コンパニー コマンディートゲゼルシャフト | Switchable clutch device, in particular a frictionally connected wet clutch, a power train used in a hybrid system, a method for operating such a power train and a vehicle with such a power train |
| JP2011524498A (en) * | 2008-06-19 | 2011-09-01 | シェフラー テクノロジーズ ゲゼルシャフト ミット ベシュレンクテル ハフツング ウント コンパニー コマンディートゲゼルシャフト | In particular, a switchable clutch device in a disk structure, a power train used in a hybrid system, and a vehicle |
| DE112009001465B4 (en) | 2008-06-19 | 2018-09-20 | Schaeffler Technologies AG & Co. KG | Powertrain for a hybrid system |
| JP2011106496A (en) * | 2009-11-13 | 2011-06-02 | Fuji Heavy Ind Ltd | Motor cooling structure |
| CN104482069A (en) * | 2014-12-04 | 2015-04-01 | 湖南江麓容大车辆传动股份有限公司 | Clutch lubrication device |
| CN117948399A (en) * | 2024-03-27 | 2024-04-30 | 陕西法士特汽车传动集团有限责任公司 | Piston control multifunctional differential for agricultural machinery power shift transmission |
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