JPS6126678Y2 - - Google Patents
Info
- Publication number
- JPS6126678Y2 JPS6126678Y2 JP16404282U JP16404282U JPS6126678Y2 JP S6126678 Y2 JPS6126678 Y2 JP S6126678Y2 JP 16404282 U JP16404282 U JP 16404282U JP 16404282 U JP16404282 U JP 16404282U JP S6126678 Y2 JPS6126678 Y2 JP S6126678Y2
- Authority
- JP
- Japan
- Prior art keywords
- pulley half
- movable pulley
- seal rubber
- storage chamber
- weight roller
- 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
Links
- 230000005540 biological transmission Effects 0.000 claims description 20
- 230000006866 deterioration Effects 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 239000004519 grease Substances 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Pulleys (AREA)
- Transmissions By Endless Flexible Members (AREA)
- General Details Of Gearings (AREA)
Description
【考案の詳細な説明】
本考案は、駆動軸の回転を可変径型伝動Ｖプー
リを介して従動軸に伝達する自動二輪車、自動三
輪車等の動力伝達装置に関するものである。[Detailed Description of the Invention] The present invention relates to a power transmission device for a motorcycle, a tricycle, etc., which transmits the rotation of a drive shaft to a driven shaft via a variable diameter transmission V-pulley.
無段変速機を備えた自動二輪車等の動力伝達装
置として、可変径型伝動Ｖプーリを用いたものが
知られている。この種の無段変速機の駆動側可変
径型伝動Ｖプーリは、駆動軸に固定した固定プー
リ半体と、駆動軸に軸方向に摺動可能に設けた可
動プーリ半体とから構成され、この可動プーリ半
体をその背面に収納したウエイトローラの遠心力
による移動によつて軸方向に移動させ、前記Ｖプ
ーリの径を可変している。 2. Description of the Related Art As a power transmission device for a motorcycle or the like equipped with a continuously variable transmission, one using a variable diameter transmission V-pulley is known. The variable diameter transmission V-pulley on the drive side of this type of continuously variable transmission is composed of a fixed pulley half fixed to the drive shaft and a movable pulley half disposed on the drive shaft so as to be slidable in the axial direction. This movable pulley half is moved in the axial direction by the centrifugal force of a weight roller housed on its back surface, thereby varying the diameter of the V-pulley.
このウエイトローラを収納する可動プーリ半体
の背面には駆動軸に固設されたランププレートが
配置され、可動プーリ半体背面の傾斜面と該プレ
ートの傾斜面とによつて半径方向に漸次挟まる先
細り溝状のウエイトローラ収納室が形成されてい
る。そして、このウエイトローラ収納室内に収納
された複数のウエイトローラの遠心力による移動
によつて、可動プーリ半体は軸方向に移動する。
ここで、ウエイトローラ収納室には、ウエイトロ
ーラの移動を円滑に行なわせるためグリース等の
潤滑油が装填されており、この潤滑油を収容する
室を形成するため、およびランププレートに対す
る可動プーリ半体の移動を許容するために、可動
プーリ半体背面側外周にはシールカバーにより弾
性を有するシールラバーが嵌着されている。 A ramp plate fixed to the drive shaft is arranged on the back of the movable pulley half that houses the weight roller, and is gradually sandwiched in the radial direction between the slope of the back of the movable pulley half and the slope of the plate. A tapered groove-shaped weight roller storage chamber is formed. The movable pulley half moves in the axial direction due to movement of the plurality of weight rollers housed in the weight roller storage chamber due to centrifugal force.
Here, the weight roller storage chamber is loaded with lubricating oil such as grease in order to smoothly move the weight roller. In order to allow movement of the body, an elastic seal rubber is fitted onto the outer periphery of the rear side of the movable pulley half by means of a seal cover.
しかしながらこの収納室近辺は駆動源（エンジ
ン）に近いため、駆動源からの熱が溜りやすく、
この収納室をシールするシールラバーが熱劣化し
やすい。 However, since this storage room is close to the drive source (engine), heat from the drive source tends to accumulate.
The rubber seal that seals this storage chamber is susceptible to thermal deterioration.
そこで本考案は上記の事情に鑑みなされたもの
で、シールラバーを可動プーリ半体に固定するシ
ールカバーにウエイトローラ収納室近辺の熱気を
放散させるフインを形成したことを特徴とし、そ
の目的とするところは、ウエイトローラ収納室近
辺の放熱を促してシールラバーの熱劣化を防止す
ることにある。 The present invention was developed in view of the above circumstances, and is characterized in that the seal cover that fixes the seal rubber to the movable pulley half is provided with fins that dissipate hot air near the weight roller storage chamber. The purpose is to prevent thermal deterioration of the seal rubber by promoting heat dissipation in the vicinity of the weight roller storage chamber.
以下、図示の一実施例について説明する。 An example illustrated in the drawings will be described below.
駆動源に連結される駆動軸１と、適宜の負荷
（例えば後車輪）に連結される被動軸２とは、無
段変速機Ｔおよび遠心クラツチＣを介して連結さ
れている。 A drive shaft 1 connected to a drive source and a driven shaft 2 connected to a suitable load (for example, a rear wheel) are connected via a continuously variable transmission T and a centrifugal clutch C.
無段変速機Ｔの駆動軸１側の構成について説明
すると、駆動軸１に固定プーリ半体４と可動プー
リ半体５よりなる駆動側可変径型伝動Ｖプーリ３
が設けられ、固定プーリ半体４はその一面に円錐
面６を有する盤状に形成されて、駆動軸１の端部
に固着されている。 To explain the configuration of the drive shaft 1 side of the continuously variable transmission T, the drive shaft 1 is equipped with a drive side variable diameter transmission V pulley 3 consisting of a fixed pulley half 4 and a movable pulley half 5.
The fixed pulley half 4 is formed into a disk shape having a conical surface 6 on one side thereof, and is fixed to the end of the drive shaft 1.
また前記可動プーリ半体５はその一面に円錐面
７を有して短円筒状に形成され、駆動軸１上に固
着されるスリーブ８上に、軸方向に摺動自在に嵌
合されており、固定プーリ半体４と相対面してＶ
字状環状溝９を形成している。その環状溝９内に
無端Ｖベルト１０が装着され、円錐面６，７間に
挾持される。 The movable pulley half 5 is formed into a short cylindrical shape with a conical surface 7 on one side, and is fitted onto a sleeve 8 fixed on the drive shaft 1 so as to be slidable in the axial direction. , V facing opposite to the fixed pulley half 4
A letter-shaped annular groove 9 is formed. An endless V-belt 10 is installed within the annular groove 9 and is held between the conical surfaces 6 and 7.
前記可動プーリ半体５内において、前記スリー
ブ８の端部にはランププレート１１が固着され、
このランププレート１１の傾斜面１３と前記可動
プーリ半体５の背面に形成される傾斜面１２とに
より半径方向に漸次挟まる先細り溝状のウエイト
ローラ収納室１４が形成され、この収納室１４内
に複数個のウエイトローラ１５が浮動状態で収容
されている。前記ランププレート１１の外周には
可動プーリ半体５の移動を案内するスライドピー
ス１６が設けられている。 In the movable pulley half 5, a lamp plate 11 is fixed to the end of the sleeve 8,
A tapered groove-shaped weight roller storage chamber 14 that is gradually sandwiched in the radial direction by the slope 13 of the ramp plate 11 and the slope 12 formed on the back surface of the movable pulley half 5 is formed. A plurality of weight rollers 15 are housed in a floating state. A slide piece 16 for guiding the movement of the movable pulley half 5 is provided on the outer periphery of the lamp plate 11.
そして、可動プーリ半体５の開口部５ａはシー
ルラバー１７にて覆われ、前記収納室１４内のグ
リースが流出することを防止している。このシー
ルラバー１７には外周部に形成した取付フランジ
部１７ａを、可動プーリ半体５の外周端縁に装着
し、フランジ部１７ａの内周に延設されるシール
部１７ｂを可動プーリ半体５の開口部５ａを覆う
ように半径方向に垂設し、かつ前記フランジ部１
７ａを可動プーリ半体５の外周に装着されるシー
ルカバー１８にて可動プーリ半体５に固定する。 The opening 5a of the movable pulley half 5 is covered with a seal rubber 17 to prevent the grease in the storage chamber 14 from flowing out. A mounting flange 17a formed on the outer periphery of this seal rubber 17 is attached to the outer periphery edge of the movable pulley half 5, and a sealing portion 17b extending on the inner periphery of the flange 17a is attached to the movable pulley half 5. The flange portion 1 is provided vertically in the radial direction so as to cover the opening 5a of the flange portion 1.
7a is fixed to the movable pulley half 5 with a seal cover 18 attached to the outer periphery of the movable pulley half 5.
このシールカバー１８の半径方向屈曲部１８ａ
に、放熱用フイン１９を多数周状に設ける。 Radial bent portion 18a of this seal cover 18
A large number of heat dissipation fins 19 are provided in a circumferential manner.
そして駆動軸１が回転されると、駆動側可変径
型伝動Ｖプーリ３、無端ベルト１０を介して、従
動軸２側の固定プーリ半体２１と可動プーリ半体
２２とからなる従動側可変径型伝動Ｖプーリ２３
に伝達されて、遠心クラツチＣが接続されて従動
軸２に伝達され、駆動軸１の回転速度に連れて前
記Ｖプーリ３，２３の径の可変によつて無段変速
が行なわれる。 Then, when the drive shaft 1 is rotated, the driven side variable diameter transmission pulley consisting of the fixed pulley half 21 and the movable pulley half 22 on the driven shaft 2 side is connected via the drive side variable diameter transmission V pulley 3 and the endless belt 10. Type transmission V pulley 23
The centrifugal clutch C is connected and the signal is transmitted to the driven shaft 2, and as the rotational speed of the drive shaft 1 increases, the diameters of the V pulleys 3 and 23 are varied to achieve continuously variable speed.
したがつて駆動軸１の回転によつて可動プーリ
半体５が回転すると、放熱用フイン１９によつて
ウエイトローラ収納室内の熱気が外部に排出され
る。 Therefore, when the movable pulley half 5 rotates due to the rotation of the drive shaft 1, the hot air in the weight roller storage chamber is discharged to the outside by the heat dissipation fins 19.
本考案は以上のように構成されているから、駆
動源に近設されているウエイトローラ収納室内の
熱気を可動プーリ半体の回転に伴つて強制的に放
散できるから、シールラバーの熱劣化を防ぎ寿命
を伸ばすことができる。 Since the present invention is constructed as described above, the hot air in the weight roller storage chamber located close to the drive source can be forcibly dissipated as the movable pulley half rotates, thereby preventing thermal deterioration of the seal rubber. can be prevented and extend lifespan.
図は本考案の一実施例を示すもので、第１図は
本考案を備えた動力伝達装置の一部縦断正面図、
第２図は要部の斜視図である。
１は駆動軸、２は従動軸、３は駆動側可変径型
伝動Ｖプーリ、５は可動プーリ半体、１１はラン
ププレート、１７はシールラバー、１８はシール
カバー、１９は放熱用フインである。
The figure shows an embodiment of the present invention, and Fig. 1 is a partially longitudinal front view of a power transmission device equipped with the present invention;
FIG. 2 is a perspective view of the main parts. 1 is a drive shaft, 2 is a driven shaft, 3 is a drive side variable diameter transmission V pulley, 5 is a movable pulley half, 11 is a lamp plate, 17 is a seal rubber, 18 is a seal cover, and 19 is a heat radiation fin. .
Claims (1)
段変速機を介して従動軸に伝達する自動二輪車等
の動力伝達装置において、駆動側可変径型伝動Ｖ
プーリの可動プーリ半体の背面に形成されるウエ
イトローラ収納室を該可動プーリ半体の外周に装
着したシールラバーで覆うとともに可動プーリ半
体外周に嵌着してシールラバーを可動プーリ半体
に固定するシールラバーに、前記ウエイトローラ
収納室内の放熱用フインを形成したことを特徴と
する自動二輪車等の動力伝達装置。 In power transmission devices such as motorcycles that transmit the rotation of the drive shaft to the driven shaft via a continuously variable transmission using a variable diameter transmission V pulley, the drive side variable diameter transmission V
A weight roller storage chamber formed on the back side of the movable pulley half of the pulley is covered with a seal rubber attached to the outer periphery of the movable pulley half, and the seal rubber is fitted onto the outer periphery of the movable pulley half to attach the seal rubber to the movable pulley half. A power transmission device for a motorcycle or the like, characterized in that a seal rubber to be fixed has heat radiating fins formed in the weight roller storage chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16404282U JPS5968852U (en) | 1982-10-29 | 1982-10-29 | Power transmission devices for motorcycles, etc. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16404282U JPS5968852U (en) | 1982-10-29 | 1982-10-29 | Power transmission devices for motorcycles, etc. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5968852U JPS5968852U (en) | 1984-05-10 |
| JPS6126678Y2 true JPS6126678Y2 (en) | 1986-08-09 |
Family
ID=30359756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16404282U Granted JPS5968852U (en) | 1982-10-29 | 1982-10-29 | Power transmission devices for motorcycles, etc. |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5968852U (en) |
-
1982
- 1982-10-29 JP JP16404282U patent/JPS5968852U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5968852U (en) | 1984-05-10 |
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