JP2575715Y2 - Bearing support structure for rotating shaft in continuously variable transmission - Google Patents
Bearing support structure for rotating shaft in continuously variable transmissionInfo
- Publication number
- JP2575715Y2 JP2575715Y2 JP7366092U JP7366092U JP2575715Y2 JP 2575715 Y2 JP2575715 Y2 JP 2575715Y2 JP 7366092 U JP7366092 U JP 7366092U JP 7366092 U JP7366092 U JP 7366092U JP 2575715 Y2 JP2575715 Y2 JP 2575715Y2
- Authority
- JP
- Japan
- Prior art keywords
- bearing
- rotating shaft
- shim
- continuously variable
- variable transmission
- 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 - Lifetime
Links
Landscapes
- Transmissions By Endless Flexible Members (AREA)
- General Details Of Gearings (AREA)
Description
【０００１】[0001]
【産業上の利用分野】この考案は、無段変速機における
変速プーリーの回転軸のベアリング支持構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bearing support structure for a rotary shaft of a speed change pulley in a continuously variable transmission.
【０００２】[0002]
【従来の技術】従来、この種の、例えば図２に示す無段
変速機１の要部である変速プーリー２の回転軸３のベア
リングハウジング部５を有するハウジング４は変速機１
の本体ケースの側面を一体的に覆設する大型のもので、
とくに変速プーリー２の回転部においてはその軸心方向
でのプーリーアライメント調整のため、同ベアリングハ
ウジング部５側においては回転軸３のセレーション部３
ａにはギヤ６，７が取付けられ、同軸３の端部側には、
リング状でベアリング１３を嵌合する内径部を有するベ
アリング受部材８が取付けられ、図３に拡大図で示すよ
うに、この受部材８の調整面１０側の内径部回りにはシ
ム用凹部１１が凹設されて、所定の厚さを有するシム１
２が取付けられるとともに、同内径部には外輪にスナッ
プリング１４を着脱可能に取り付けた凹部１３ａを有す
るベアリング１３が嵌合され、さらに、同軸３の端部の
ねじ部にナット１５が螺合されている。また、ベアリン
グ受部材８の調整面１０側には所定の間隔で複数本のボ
ルト１６が植設され、また、このベアリング受部材８の
調整面１０側には所定の厚さのシム１７が取付けられ、
ハウジング４が一体に取付けられて、そのベアリングハ
ウジング部５はシム１７を介してベアリング１３が嵌合
され、ベアリング受部材８はボルト１６によりハウジン
グ４側に取付けられて回転軸３は回転可能に支承され、
ハウジング４は本体ケースに後付けされている。2. Description of the Related Art Conventionally, a housing 4 having a bearing housing portion 5 of a rotating shaft 3 of a transmission pulley 2 which is a main part of a continuously variable transmission 1 shown in FIG.
It is a large one that integrally covers the side of the main body case,
In particular, in the rotating portion of the speed change pulley 2, the serration portion 3 of the rotating shaft 3 is provided on the bearing housing portion 5 side for adjusting the pulley alignment in the axial direction.
Gears 6 and 7 are attached to a, and on the end side of the coaxial 3,
A ring-shaped bearing receiving member 8 having an inner diameter portion for fitting the bearing 13 is attached. As shown in an enlarged view in FIG. 3, a shim recess 11 is provided around the inner diameter portion on the adjustment surface 10 side of the receiving member 8. Is provided with a shim 1 having a predetermined thickness.
2, a bearing 13 having a concave portion 13a in which a snap ring 14 is detachably attached to an outer ring is fitted to the inner diameter portion, and a nut 15 is screwed into a screw portion at the end of the coaxial 3. ing. A plurality of bolts 16 are implanted at a predetermined interval on the adjustment surface 10 side of the bearing receiving member 8, and a shim 17 having a predetermined thickness is mounted on the adjustment surface 10 side of the bearing receiving member 8. And
The housing 4 is integrally mounted, the bearing housing portion 5 is fitted with a bearing 13 via a shim 17, the bearing receiving member 8 is mounted on the housing 4 side by a bolt 16, and the rotating shaft 3 is rotatably supported. And
The housing 4 is attached later to the main body case.
【０００３】[0003]
【考案が解決しようとする課題】しかしながら、この回
転軸３のベアリング受部材８側においては、シム１２お
よびスナップリング１４の厚さを決め、そして調整面１
０側のシム１７の厚さを仮決めしてハウジング４を組付
け、しかる後、プーリーアライメントを測定する。そし
てハウジング４を取外し、仮決めしたシムを取外してア
ライメントに基いてシム１７を本決めして取付けた後、
再びハウジング４を後付けする構成であった。したがっ
て、このハウジング４はプーリーアライメント調整の都
度、着脱しなければならないので、プーリーアライメン
ト調整は極めて面倒であった。However, on the bearing receiving member 8 side of the rotating shaft 3, the thickness of the shim 12 and the snap ring 14 is determined, and the adjustment surface 1 is adjusted.
The thickness of the shim 17 on the 0 side is tentatively determined, the housing 4 is assembled, and then the pulley alignment is measured. Then, the housing 4 is removed, the temporarily determined shim is removed, and the shim 17 is determined and mounted based on the alignment.
In this configuration, the housing 4 is attached again. Therefore, since the housing 4 must be attached and detached each time the pulley alignment is adjusted, the pulley alignment adjustment is extremely troublesome.
【０００４】本考案は、上記従来の問題点を解決すべく
なされたもので、変速プーリーのアライメント調整を容
易に行うことのできる無段変速機における変速プーリー
の回転軸のベアリング支持構造を提供することを目的と
するものである。The present invention has been made to solve the above-mentioned conventional problems, and provides a bearing support structure for a rotating shaft of a transmission pulley in a continuously variable transmission in which alignment of the transmission pulley can be easily adjusted. The purpose is to do so.
【０００５】[0005]
【課題を解決するための手段】本考案は、上記技術課題
を解決するため、無段変速機の変速プーリーの回転軸の
ベアリング支持構造であって、前記無段変速機の本体ケ
ースに予め取付けられるハウジングに前記回転軸を回転
可能に支承するベアリングの嵌合孔を貫設するととも
に、該嵌合孔の外側面に調整面を有するシム用凹部を形
成し、このシム用凹部と対応して前記ベアリングの外輪
に凹部を形成して、このシム用凹部とベアリングの凹部
との間に前記変速プーリーのアライメント調整シムをス
ナップリングを介して着脱可能に構成した無段変速機に
おける回転軸のベアリング支持構造に存する。SUMMARY OF THE INVENTION In order to solve the above-mentioned technical problem, the present invention is a bearing support structure for a rotating shaft of a transmission pulley of a continuously variable transmission, which is previously mounted on a body case of the continuously variable transmission. A housing is provided with a fitting hole for a bearing that rotatably supports the rotating shaft, and a shim recess having an adjustment surface is formed on an outer surface of the fitting hole. A bearing for a rotary shaft in a continuously variable transmission, wherein a recess is formed in an outer ring of the bearing, and an alignment adjustment shim of the speed change pulley is detachably mountable via a snap ring between the recess for the shim and the recess of the bearing. Be in the support structure.
【０００６】[0006]
【作用】上記構成としたことにより、ハウジングを取外
すことなく、外側よりアライメント調整シムの着脱が可
能となる。With the above arrangement, the alignment adjusting shim can be attached and detached from the outside without removing the housing.
【０００７】[0007]
【実施例】次に、本考案の一実施例を図面にしたがって
説明すると、図１は例えば上記従来の無段変速機１の変
速プーリー２を取付けた回転軸３のハウジング２４側を
示すもので、このハウジング２４は回転軸３を回転可能
に支承するため本体ケース側に先付けするよう構成され
ている。このハウジング２４には回転軸３を回転可能に
支承するベアリング２８の嵌合孔２５が貫設され、同嵌
合孔２５の図示外側面にはシム用凹部２６が形成され、
同凹部２６の垂直面が調整面２７を構成している。ま
た、この嵌合孔２５に嵌合されるベアリング２８の外輪
のシム用凹部２６と対応する外周には所定の幅を有する
凹部２９が凹設されている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to the drawings. FIG. 1 shows, for example, the side of a housing 24 of a rotary shaft 3 on which a speed change pulley 2 of the above-described conventional continuously variable transmission 1 is mounted. The housing 24 is configured to be attached to the body case side in order to rotatably support the rotating shaft 3. A fitting hole 25 for a bearing 28 that rotatably supports the rotating shaft 3 is provided through the housing 24, and a shim recess 26 is formed on the outer surface of the fitting hole 25 in the drawing.
The vertical surface of the concave portion 26 constitutes the adjustment surface 27. Further, a recess 29 having a predetermined width is formed in the outer periphery of the outer ring of the bearing 28 which is fitted into the fitting hole 25 and corresponds to the shim recess 26.
【０００８】このように設けられたハウジング２４の嵌
合孔２５にベアリング２８が嵌合され、アライメント調
整シム３０を仮決めして、シム用凹部２６の調整面２７
に当接してスナップリング１４をベアリング２８の凹部
２９に嵌め込むことでベアリング２８が位置決められ、
ナット１５が回転軸３のねじ部に螺合される。この状態
でプーリーフライメントを測定する。そしてこの測定に
基づいてスナップリング１４を取外しアライメント調整
シム３０を本決めして、再びスナップリング１４により
位置決め固定し、同支承部の外側にはハウジング２４に
形成された複数のねじ孔３１にボルト３２を介してベア
リングカバー３３がベアリング２８の外輪の側面との間
にシム３４を介して取付けられている。A bearing 28 is fitted into the fitting hole 25 of the housing 24 provided as described above, and the alignment adjusting shim 30 is temporarily determined, and the adjusting surface 27 of the shim concave portion 26 is adjusted.
The bearing 28 is positioned by fitting the snap ring 14 into the recess 29 of the bearing 28 in contact with
The nut 15 is screwed into the screw portion of the rotating shaft 3. In this state, the pulley fraction is measured. Then, based on this measurement, the snap ring 14 is removed, the alignment adjustment shim 30 is determined, the positioning is fixed again by the snap ring 14, and bolts are formed in a plurality of screw holes 31 formed in the housing 24 outside the bearing. A bearing cover 33 is attached via a shim 34 between the bearing cover 33 and the side surface of the outer ring of the bearing 28.
【０００９】このように無段変速機１の本体ケースに予
め取付けられるハウジング２４に変速プーリー２の回転
軸３を回転可能に支承するベアリング２８の嵌合孔２５
を貫設するとともに、該嵌合孔２５の外側面に調整面２
７を有するシム用凹部２６を形成し、このシム用凹部２
６と対応してベアリング２８の外輪に凹部２９を形成し
て、このシム用凹部２６とベアリング２８の凹部２９と
の間に変速プーリー２のアライメント調整シム３０をス
ナップリング１４を介して着脱可能に構成したものであ
るから、変速プーリー２のアライメント調整シム３０の
調整交換に際し、従来のハウジング４のように調整の都
度取り外す必要がなく、外側より容易に取換え調整を行
うことができるのでプーリーアライメント調整を簡略化
することができ、また、ベアリング受部材等を省略して
部品点数を低減することができる。As described above, the fitting hole 25 of the bearing 28 for rotatably supporting the rotating shaft 3 of the speed change pulley 2 in the housing 24 previously mounted on the main body case of the continuously variable transmission 1.
And the adjusting surface 2 is provided on the outer surface of the fitting hole 25.
7 is formed, and the shim recess 2 is formed.
A recess 29 is formed in the outer ring of the bearing 28 in correspondence with 6, and the alignment adjusting shim 30 of the speed change pulley 2 can be detachably mounted between the shim recess 26 and the recess 29 of the bearing 28 via the snap ring 14. When the alignment adjustment shim 30 of the speed change pulley 2 is adjusted and exchanged, it is not necessary to remove it each time it is adjusted as in the conventional housing 4, and the exchange adjustment can be easily performed from the outside. Adjustment can be simplified, and the number of parts can be reduced by omitting bearing receiving members and the like.
【００１０】[0010]
【考案の効果】本考案は、上記の構成としたことによ
り、変速プーリーのアライメント調整シムの調整交換に
際し、従来のハウジングのように調整の都度取り外す必
要がなく、外側より容易に取換え調整を行うことができ
るのでプーリーアライメント調整を簡略化することがで
き、また、ベアリング受部材等を省略して部品点数を低
減することができる。[Effect of the Invention] With the above structure, the present invention does not require removal of the alignment adjustment shim of the speed change pulley every time the adjustment is performed as in the conventional housing. Since it can be performed, the pulley alignment adjustment can be simplified, and the number of parts can be reduced by omitting the bearing receiving member and the like.
【図１】回転軸のアライメント調整側の回転支持部の断
面図である。FIG. 1 is a cross-sectional view of a rotation support portion on the alignment adjustment side of a rotation shaft.
【図２】従来の無段変速機における回転軸の支承を示す
一部断面図である。FIG. 2 is a partial cross-sectional view showing a bearing of a rotating shaft in a conventional continuously variable transmission.
【図３】図２のアライメント調整側の回転支持部の拡大
断面図である。FIG. 3 is an enlarged cross-sectional view of a rotation support unit on the alignment adjustment side in FIG. 2;
１ 無段変速機 ２ 変速プーリー ３ 回転軸 １４ スナップリング ２４ ハウジング ２５ 嵌合孔 ２６ シム用凹部 ２７ 調整面 ２８ ベアリング ２９ 凹部 ３０ アライメント調整シム DESCRIPTION OF SYMBOLS 1 Continuously variable transmission 2 Variable speed pulley 3 Rotating shaft 14 Snap ring 24 Housing 25 Fitting hole 26 Shim recess 27 Adjustment surface 28 Bearing 29 Depression 30 Alignment adjustment shim
Claims (1)
軸のベアリング支持構造であって、前記無段変速機の本
体ケースに予め取付けられるハウジングに前記回転軸を
回転可能に支承するベアリングの嵌合孔を貫設するとと
もに、該嵌合孔の外側面に調整面を有するシム用凹部を
形成し、このシム用凹部と対応して前記ベアリングの外
輪に凹部を形成して、このシム用凹部とベアリングの凹
部との間に前記変速プーリーのアライメント調整シムを
スナップリングを介して着脱可能に支持けたことを特徴
とする無段変速機における回転軸のベアリング支持構
造。1. A bearing support structure for a rotating shaft of a transmission pulley in a continuously variable transmission, wherein a bearing for rotatably supporting the rotating shaft is fitted to a housing previously mounted on a main body case of the continuously variable transmission. Along with the hole, a shim recess having an adjustment surface is formed on the outer surface of the fitting hole, and a recess is formed in the outer ring of the bearing corresponding to the shim recess. A bearing support structure for a rotating shaft in a continuously variable transmission, wherein an alignment adjustment shim of the speed change pulley is detachably supported between the recess and the bearing via a snap ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7366092U JP2575715Y2 (en) | 1992-09-29 | 1992-09-29 | Bearing support structure for rotating shaft in continuously variable transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7366092U JP2575715Y2 (en) | 1992-09-29 | 1992-09-29 | Bearing support structure for rotating shaft in continuously variable transmission |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0632751U JPH0632751U (en) | 1994-04-28 |
| JP2575715Y2 true JP2575715Y2 (en) | 1998-07-02 |
Family
ID=13524656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7366092U Expired - Lifetime JP2575715Y2 (en) | 1992-09-29 | 1992-09-29 | Bearing support structure for rotating shaft in continuously variable transmission |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2575715Y2 (en) |
-
1992
- 1992-09-29 JP JP7366092U patent/JP2575715Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0632751U (en) | 1994-04-28 |
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Legal Events
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|---|---|---|---|
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Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
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