JP5866754B2 - Power transmission device - Google Patents

Power transmission device Download PDF

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JP5866754B2
JP5866754B2 JP2010254547A JP2010254547A JP5866754B2 JP 5866754 B2 JP5866754 B2 JP 5866754B2 JP 2010254547 A JP2010254547 A JP 2010254547A JP 2010254547 A JP2010254547 A JP 2010254547A JP 5866754 B2 JP5866754 B2 JP 5866754B2
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stabilizer
transmission member
power transmission
lubricant
support shaft
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JP2012102858A (en
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育生 山本
育生 山本
照子 長岡
照子 長岡
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JTEKT Corp
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Description

この発明は、自動車等の車両の無段変速機(CVT)に好適な動力伝達装置に関する。   The present invention relates to a power transmission device suitable for a continuously variable transmission (CVT) of a vehicle such as an automobile.

自動車用無段変速機(動力伝達装置)として、円錐面状シーブ面をそれぞれ有する固定シーブおよび可動シーブからなるプライマリプーリと、円錐面状シーブ面をそれぞれ有する固定シーブおよび可動シーブからなるセカンダリプーリと、両プーリ間に巻き掛けられた巻き掛け伝動部材と、これらを収容するケーシングと、ケーシング内に設けられた支持軸に支持されて巻き掛け伝動部材の弦部が相対移動可能に挿通されることで巻き掛け伝動部材の動きを規制するスタビライザ(またはガイドレール)と、スタビライザを支持する支持軸とを備えているものが知られている(特許文献1)。   As a continuously variable transmission (power transmission device) for an automobile, a primary pulley composed of a fixed sheave and a movable sheave each having a conical surface sheave surface, and a secondary pulley composed of a fixed sheave and a movable sheave each having a conical surface sheave surface A winding transmission member wound between the pulleys, a casing for accommodating these members, and a support shaft provided in the casing, so that the string portion of the winding transmission member is inserted so as to be relatively movable. And a stabilizer (or guide rail) that regulates the movement of the winding transmission member and a support shaft that supports the stabilizer (Patent Document 1).

この種の動力伝達装置では、巻き掛け伝動部材のうちプーリとプーリとの間にある部分(弦部)は、プーリで規制されていないことから振動(弦振動)しやすく、これが耳障りな音であるために、騒音特性が悪化するという問題があり、特許文献1のものでは、ガイドレール(本明細書では、「スタビライザ」と称す)によって巻き掛け伝動部材の動きを規制することで、弦振動の低減が図られている。   In this type of power transmission device, the portion (string portion) between the pulleys of the wrapping transmission member is not restricted by the pulley, so it is easy to vibrate (string vibration). For this reason, there is a problem that noise characteristics deteriorate. In the case of Patent Document 1, string vibration is controlled by restricting the movement of a winding transmission member by a guide rail (referred to as “stabilizer” in this specification). Is reduced.

また、この種の動力伝達装置では、適切に潤滑剤を供給することが求められており、特許文献2には、支持軸を利用して潤滑剤を供給することが開示されている。   Further, in this type of power transmission device, it is required to supply the lubricant appropriately, and Patent Document 2 discloses supplying the lubricant using a support shaft.

特開2000−304115号公報JP 2000-304115 A 特開2005−121197号公報JP 2005-121197 A

潤滑剤の供給に際しては、巻き掛け伝動部材とプーリとが接触する部分に供給することが好ましいが、特許文献2で潤滑剤を供給している支持軸は、プーリとプーリとのちょうど中間にあり、巻き掛け伝動部材とプーリとが接触する部分に供給するという点からは好ましくないものであった。   When supplying the lubricant, it is preferable to supply it to the portion where the winding transmission member and the pulley are in contact with each other. However, the support shaft supplying the lubricant in Patent Document 2 is located just between the pulley and the pulley. This is not preferable from the viewpoint that the winding transmission member and the pulley are supplied to the contact portion.

この発明の目的は、潤滑性の向上を可能とした動力伝達装置を提供することにある。   An object of the present invention is to provide a power transmission device capable of improving lubricity.

この発明による動力伝達装置は、固定シーブおよび可動シーブからなるプライマリプーリと、固定シーブおよび可動シーブからなるセカンダリプーリと、両プーリ間に巻き掛けられた巻き掛け伝動部材と、これらを収容するケーシングと、巻き掛け伝動部材の弦部が相対移動可能に挿通されることで巻き掛け伝動部材の動きを規制するスタビライザと、スタビライザを支持する支持軸とを備えている動力伝達装置において、スタビライザは、巻き掛け伝動部材に対して遊びを有しており、かつ、巻き掛け伝動部材と支持軸との間にある第1面と、第1面に向かい合う第2面と、第1面と第2面とを結ぶ第3面および第4面とによって方形状に巻き掛け伝動部材を囲んでおり、巻き掛け伝動部材の進行方向において、第2面の両側の端縁が第1面の両側の端縁よりもそれぞれ外側に張り出しており、
かつ、スタビライザの第1面の支持軸側に、前記巻き掛け伝動部材の進行方向にのびる潤滑剤通路が設けられて、潤滑剤通路の両端開口から潤滑剤が吐出されることを特徴とするものである。
A power transmission device according to the present invention includes a primary pulley composed of a fixed sheave and a movable sheave, a secondary pulley composed of a fixed sheave and a movable sheave, a wound transmission member wound around both pulleys, and a casing that accommodates these members. In the power transmission device including the stabilizer that restricts the movement of the winding transmission member by inserting the string portion of the winding transmission member so as to be relatively movable, and the support shaft that supports the stabilizer , the stabilizer is the winding A first surface that has play with respect to the hanging transmission member and is between the winding transmission member and the support shaft; a second surface that faces the first surface; a first surface and a second surface; The third surface and the fourth surface connecting the two surround the transmission member in a square shape, and the edges on both sides of the second surface are the first in the traveling direction of the winding transmission member. Of which protrudes outward respectively than both sides of the edge,
In addition, a lubricant passage extending in the traveling direction of the winding transmission member is provided on the support shaft side of the first surface of the stabilizer , and the lubricant is discharged from both ends of the lubricant passage. It is.

動力伝達装置は、チェーン式(巻き掛け伝動部材がチェーン)とされることがあり、ベルト式(巻き掛け伝動部材がベルト)とされることがある。   The power transmission device may be a chain type (the winding transmission member is a chain), and may be a belt type (the winding transmission member is a belt).

この動力伝達装置は、自動車等の車両の無段変速機としての使用に好適なものとなる。このような無段変速機では、両シーブのシーブ面間に巻き掛け伝動部材を挟持し、可動シーブを油圧アクチュエータによって移動させることにより、無段変速機のシーブ面間距離したがって巻き掛け伝動部材の巻き掛け半径が変化するものとされる。   This power transmission device is suitable for use as a continuously variable transmission for a vehicle such as an automobile. In such a continuously variable transmission, a winding transmission member is sandwiched between the sheave surfaces of both sheaves, and the movable sheave is moved by a hydraulic actuator, so that the distance between the sheave surfaces of the continuously variable transmission and hence the winding transmission member of the continuously variable transmission is reduced. The winding radius is assumed to change.

動力伝達装置では、低速走行時に対応する変速比が最大のアンダードライブ(以下、「U/D」と称す。)と、高速走行時に対応する変速比が最小のオーバードライブ(以下、「O/D」と称す。)との間で変速比が変化する。U/D状態では、プライマリプーリ側の巻き掛け径が最小で、セカンダリプーリ側の巻き掛け径が最大となっており、O/D状態では、その逆になっている。   In the power transmission device, the underdrive (hereinafter referred to as “U / D”) having the maximum speed ratio corresponding to low speed traveling and the overdrive (hereinafter referred to as “O / D”) corresponding to the minimum speed ratio corresponding to high speed traveling. ").) The gear ratio changes. In the U / D state, the winding diameter on the primary pulley side is the smallest and the winding diameter on the secondary pulley side is the maximum, and in the O / D state, the opposite is true.

スタビライザは、例えば、断面略方形状とされ、これを構成する第1の半部および第2の半部によって巻き掛け伝動部材を両側から挟んだ状態で互いに突き合わされて結合される。巻き掛け伝動部材は、スタビライザに案内されて移動し、これにより、弦振動が低減される。動力伝達装置がU/D状態とO/D状態との間で変化する際、スタビライザは、巻き掛け伝動部材の形状の変化に応じて移動する必要がある。このようにするには、スタビライザは、スタビライザに設けられた取付け部を介して支持軸に一体化され、支持軸が回転可能にケーシングに支持される。   The stabilizer has, for example, a substantially square cross-section, and is coupled to each other in a state where the winding member is sandwiched from both sides by the first half and the second half constituting the stabilizer. The winding transmission member moves while being guided by the stabilizer, thereby reducing the string vibration. When the power transmission device changes between the U / D state and the O / D state, the stabilizer needs to move in accordance with the change in the shape of the winding transmission member. In order to do this, the stabilizer is integrated with the support shaft via an attachment portion provided in the stabilizer, and the support shaft is rotatably supported by the casing.

スタビライザに潤滑剤通路を設けるには、スタビライザに一体に形成してもよく、潤滑剤通路を有する別部材をスタビライザに取り付けるようにしてもよい。いずれにしろ、スタビライザの長さ方向は、巻き掛け伝動部材とプーリとが接触する部分を向くので、潤滑剤通路の両端開口も巻き掛け伝動部材とプーリとが接触する部分を向き、この開口から潤滑剤(潤滑油)を吐出(噴出)することにより、潤滑剤を最も必要とする巻き掛け伝動部材とプーリとの接触部分に潤滑剤を供給することができる。スタビライザを2つの部材(第1の半部および第2の半部)を接合することで形成する場合、潤滑剤通路は、接合部を避けて設けることが好ましい。   In order to provide the lubricant passage in the stabilizer, it may be formed integrally with the stabilizer, or another member having the lubricant passage may be attached to the stabilizer. In any case, since the length direction of the stabilizer faces the portion where the winding transmission member and the pulley are in contact, the both end openings of the lubricant passage also face the portion where the winding transmission member and the pulley are in contact with each other. By discharging (spouting) the lubricant (lubricating oil), the lubricant can be supplied to the contact portion between the winding transmission member and the pulley that most require the lubricant. When the stabilizer is formed by joining two members (the first half and the second half), the lubricant passage is preferably provided so as to avoid the joint.

ケーシングは、例えば、いずれも有底筒状の本体および蓋を突き合わせることで形成され、支持軸は、断面円形とされて、本体の底壁と蓋の底壁との間に回転可能に掛け渡される。この際の形態としては、例えば、本体および蓋の底壁に支持軸の端部を嵌め入れる有底孔が設けられて、支持軸の端部がこの有底孔にすきまばめで(回転可能に)嵌め入れられる。   The casing is formed, for example, by abutting a bottomed cylindrical main body and a lid, and the support shaft has a circular cross section, and is rotatably hung between the bottom wall of the main body and the bottom wall of the lid. Passed. As a form at this time, for example, a bottomed hole for fitting the end of the support shaft into the bottom wall of the main body and the lid is provided, and the end of the support shaft is loosely fitted into the bottomed hole (to be rotatable). ) Can be fitted.

潤滑剤通路への潤滑剤の供給は、支持軸を介して行うことが好ましく、支持軸に潤滑剤供給通路が設けられて、これと潤滑剤通路とが連通される構成とされる。この場合、支持軸に、これを径方向に貫通する潤滑剤供給通路を設けて、これと潤滑剤通路とを連通するようにしてもよく、支持軸の端部から軸方向にのびる潤滑剤供給通路を設けて、これと潤滑剤通路とを連通するようにしてもよい。   The supply of the lubricant to the lubricant passage is preferably performed via a support shaft. A lubricant supply passage is provided on the support shaft, and the lubricant passage is communicated with the support passage. In this case, the support shaft may be provided with a lubricant supply passage that penetrates the support shaft in the radial direction, and the lubricant passage may be communicated with the support shaft, and the lubricant supply extending in the axial direction from the end of the support shaft may be provided. A passage may be provided to communicate with the lubricant passage.

この発明の動力伝達装置によると、スタビライザに、その長さ方向にのびる潤滑剤通路が設けられて、その両端開口から潤滑剤が吐出されるので、巻き掛け伝動部材とプーリとが接触する部分を向く開口から潤滑剤が吐出されることになり、潤滑剤を最も必要とする巻き掛け伝動部材とプーリとの接触部分に潤滑剤を供給することができ、これにより、潤滑性が向上する。   According to the power transmission device of the present invention, the stabilizer is provided with the lubricant passage extending in the length direction, and the lubricant is discharged from the opening at both ends thereof, so that the portion where the winding transmission member and the pulley come into contact with each other is provided. Lubricant is discharged from the facing opening, and the lubricant can be supplied to the contact portion between the winding transmission member and the pulley that most require the lubricant, thereby improving the lubricity.

図1は、この発明による動力伝達装置の1実施形態を示す正面図である。FIG. 1 is a front view showing an embodiment of a power transmission device according to the present invention. 図2は、この発明による動力伝達装置の要部をスタビライザの長さ方向から見た図である。FIG. 2 is a view of the main part of the power transmission device according to the present invention as seen from the length direction of the stabilizer. 図3は、この発明による動力伝達装置の要部を支持軸の軸方向から見た図である。FIG. 3 is a view of the main part of the power transmission device according to the present invention as seen from the axial direction of the support shaft. 図4は、この発明による動力伝達装置の第2実施形態の要部をスタビライザの長さ方向から見た図である。FIG. 4 is a view of a main part of a second embodiment of the power transmission device according to the present invention as seen from the length direction of the stabilizer.

以下、図面を参照して、この発明の実施形態について説明する。   Embodiments of the present invention will be described below with reference to the drawings.

図1から図3までは、この発明による動力伝達装置の第1実施形態を示すもので、動力伝達装置(1)は、図1に示すように、固定シーブおよび可動シーブからなるプライマリプーリ(2)と、固定シーブおよび可動シーブからなるセカンダリプーリ(3)と、両プーリ(2)(3)間に巻き掛けられ動力伝達チェーン(巻き掛け伝動部材)(4)と、これらを収容するケーシング(5)と、動力伝達チェーン(4)の弦部(プーリ(2)(3)で規制されていない部分)が相対移動可能に挿通されることで動力伝達チェーン(4)の動きを規制するスタビライザ(6)と、スタビライザ(6)を支持する支持軸(7)とを備えている。   FIGS. 1 to 3 show a first embodiment of a power transmission device according to the present invention. As shown in FIG. 1, the power transmission device (1) is a primary pulley (2) composed of a fixed sheave and a movable sheave. ), A secondary pulley (3) composed of a fixed sheave and a movable sheave, a power transmission chain (wound transmission member) (4) wound around both pulleys (2) and (3), and a casing for housing them ( 5) and a stabilizer that regulates the movement of the power transmission chain (4) by inserting the string part of the power transmission chain (4) (the part that is not regulated by the pulleys (2) and (3)) so that it can move relatively. (6) and a support shaft (7) for supporting the stabilizer (6).

スタビライザ(6)は、スタビライザ(6)に設けられた取付け部(8)を介して支持軸(7)に一体化され、支持軸(7)は、回転可能にケーシング(5)に支持されている。   The stabilizer (6) is integrated with the support shaft (7) via a mounting portion (8) provided in the stabilizer (6), and the support shaft (7) is rotatably supported by the casing (5). Yes.

動力伝達装置(1)では、低速走行時に対応する変速比が最大のアンダードライブ(以下、「U/D」と称す。)と、高速走行時に対応する変速比が最小のオーバードライブ(以下、「O/D」と称す。)との間で変速比が変化する。U/D状態(図1に二点鎖線で示す)では、プライマリプーリ(2)側の巻き掛け径が最小で、セカンダリプーリ(3)側の巻き掛け径が最大となっており、O/D状態(図1に実線で示す)では、その逆になっている。スタビライザ(6)は、動力伝達チェーン(4)がU/D状態からO/D状態へと変化する場合には、支持軸(7)が回転することで、図1に二点鎖線および実線で示しているように、動力伝達チェーン(4)の移動にしたがってその傾斜角度を変化させる。   In the power transmission device (1), the underdrive (hereinafter referred to as “U / D”) corresponding to the maximum speed ratio corresponding to low speed driving and the overdrive (hereinafter referred to as “U / D”) corresponding to the maximum speed ratio during high speed driving. O / D "))). In the U / D state (indicated by a two-dot chain line in FIG. 1), the winding diameter on the primary pulley (2) side is the smallest, and the winding diameter on the secondary pulley (3) side is the largest. In the state (shown by the solid line in FIG. 1), the reverse is true. When the power transmission chain (4) changes from the U / D state to the O / D state, the stabilizer (6) is rotated by the support shaft (7), and the two-dot chain line and the solid line in FIG. As shown, the inclination angle is changed according to the movement of the power transmission chain (4).

図2に示すように、動力伝達チェーン(4)は、チェーン長さ方向に所定間隔をおいて設けられた前後挿通部を有する複数のリンク(11)と、チェーン幅方向に並ぶリンク(11)同士を長さ方向に屈曲可能に連結する複数のピン(12)とを備えている。スタビライザ(6)は、合成樹脂製で2つ割り形状とされており、両プーリ(2)(3)間に巻き掛けられた後の動力伝達チェーン(4)を両側から挟んで、突き合わされることで動力伝達チェーン(4)に取り付けられている。スタビライザ(6)の断面は、リンク(11)およびピン(12)が若干の遊びを有して挿通可能な大きさの方形に形成されている。これにより、動力伝達チェーン(4)の弦部(プーリ(2)(3)で規制されていない部分)がスタビライザ(6)に相対移動可能に挿通されており、動力伝達チェーン(4)の弦部の進行方向と直交する方向の動きがスタビライザ(6)によって規制されている。   As shown in FIG. 2, the power transmission chain (4) includes a plurality of links (11) having front and rear insertion portions provided at predetermined intervals in the chain length direction, and links (11) arranged in the chain width direction. And a plurality of pins (12) that connect each other so as to be bent in the length direction. The stabilizer (6) is made of synthetic resin and has a split shape. The stabilizer (6) is abutted by sandwiching the power transmission chain (4) after being wound between the pulleys (2) and (3) from both sides. It is attached to the power transmission chain (4). The cross section of the stabilizer (6) is formed in a rectangular shape having a size that allows the link (11) and the pin (12) to be inserted with some play. As a result, the string portion of the power transmission chain (4) (the portion not regulated by the pulley (2) (3)) is inserted into the stabilizer (6) so as to be relatively movable, and the string of the power transmission chain (4) The movement in the direction orthogonal to the traveling direction of the part is regulated by the stabilizer (6).

図2および図3に示すように、スタビライザ(6)は、動力伝達チェーン(4)と支持軸(7)との間にある第1面(6a)と、第1面(6a)に向かい合う第2面(6b)と、第1面(6a)と第2面(6b)とを結ぶ第3面(6c)および第4面(6d)とを有している。そして、図2に示すように、4つの面(6a)(6b)(6c)(6d)によって方形状に動力伝達チェーン(4)を囲んでいる。また、図3に示すように、スタビライザ(6)は、正面(支持軸(7)の軸方向)から見て、台形状とされており、動力伝達チェーン(4)の進行方向において、スタビライザ(6)の第2面(6b)の両側の端縁が第1面(6a)の両側の端縁よりもそれぞれ進行方向の外側に張り出している。スタビライザ(6)に動力伝達チェーン(4)の進行方向にのびる潤滑剤通路(21)が設けられて、その両端開口(21a)からの潤滑剤吐出が可能とされている。支持軸(7)には、これを径方向に貫通する潤滑剤供給通路(22)が設けられて、これと潤滑剤通路(21)とがスタビライザ(6)の取付け部(8)に設けられた連通路(23)を介して連通されることで、スタビライザ(6)の潤滑剤通路(21)に潤滑剤が供給されている。 As shown in FIGS. 2 and 3, the stabilizer (6) has a first surface (6a) between the power transmission chain (4) and the support shaft (7) and a first surface (6a) facing the first surface (6a). It has two surfaces (6b), a third surface (6c) and a fourth surface (6d) connecting the first surface (6a) and the second surface (6b). As shown in FIG. 2, the power transmission chain (4) is enclosed in a square shape by four surfaces (6a) (6b) (6c) (6d). As shown in FIG. 3, the stabilizer (6) has a trapezoidal shape when viewed from the front (axial direction of the support shaft (7)), and in the traveling direction of the power transmission chain (4), the stabilizer (6) Edges on both sides of the second surface (6b) of 6) are projected outward in the traveling direction from the edges on both sides of the first surface (6a). The stabilizer (6) is a lubricant passage (21) is provided extending in the traveling direction of the power transmission chain (4), and is capable lubricant discharged from the openings at both ends (21a). The support shaft (7) is provided with a lubricant supply passage (22) that penetrates the support shaft (7) in the radial direction, and this and the lubricant passage (21) are provided in the mounting portion (8) of the stabilizer (6). Thus, the lubricant is supplied to the lubricant passage (21) of the stabilizer (6) by communicating through the communication passage (23).

スタビライザ(6)の長さ方向は、動力伝達チェーン(4)に平行となるので、常時、動力伝達チェーン(4)とプーリ(2)(3)とが接触する部分を向くようになっている。したがって、スタビライザ(6)の潤滑剤通路(21)の両端開口(21a)も動力伝達チェーン(4)とプーリ(2)(3)とが接触する部分を向き、この開口(21a)から潤滑剤を吐出することにより、動力伝達チェーン(4)とプーリ(2)(3)との接触部分に潤滑剤を供給することができる。   Since the length direction of the stabilizer (6) is parallel to the power transmission chain (4), it always faces the part where the power transmission chain (4) and the pulley (2) (3) are in contact with each other. . Therefore, the opening (21a) at both ends of the lubricant passage (21) of the stabilizer (6) also faces the portion where the power transmission chain (4) and the pulley (2) (3) are in contact with each other, and the lubricant from the opening (21a) Can be supplied to the contact portion between the power transmission chain (4) and the pulleys (2) and (3).

スタビライザ(6)の潤滑剤通路(21)への潤滑剤の供給は、図4に示すように、支持軸(7)に、その端面から軸方向にのびる潤滑剤供給通路(24)が設けられて、これと潤滑剤通路(21)とがスタビライザ(6)の取付け部(8)に設けられた連通路(25)を介して連通されるようにしてもよい。   As shown in FIG. 4, the supply of the lubricant to the lubricant passage (21) of the stabilizer (6) is provided with a lubricant supply passage (24) extending in the axial direction from the end surface of the support shaft (7). Thus, this and the lubricant passage (21) may be communicated with each other via a communication passage (25) provided in the attachment portion (8) of the stabilizer (6).

上記動力伝達装置(1)によると、動力伝達チェーン(4)の弦部の進行方向と直交する方向の動きがスタビライザ(6)によって規制されているので、弦振動が低減される。そして、スタビライザ(6)の潤滑剤通路(21)の両端開口(21a)から潤滑剤を吐出することにより、潤滑剤を最も必要とする動力伝達チェーン(4)とプーリ(2)(3)との接触部分に潤滑剤を供給することができ、これにより、潤滑性が向上する。   According to the power transmission device (1), since the movement in the direction orthogonal to the traveling direction of the string portion of the power transmission chain (4) is regulated by the stabilizer (6), the string vibration is reduced. Then, by discharging the lubricant from both end openings (21a) of the lubricant passage (21) of the stabilizer (6), the power transmission chain (4) and the pulleys (2) (3) that most require the lubricant Lubricant can be supplied to the contact portion, thereby improving lubricity.

なお、図1において、スタビライザ(6)は、図の下側(プライマリプーリ(2)からセカンダリプーリ(3)に至る部分)に設けられているが、図の上側(セカンダリプーリ(3)からプライマリプーリ(2)に至る部分)に設けるようにしてもよく、上下両側に設けるようにしてもよい。   In FIG. 1, the stabilizer (6) is provided on the lower side (portion from the primary pulley (2) to the secondary pulley (3)). It may be provided on the pulley (2), or on both the upper and lower sides.

(1) 動力伝達装置
(2)(3) プーリ
(4) 動巻き掛け伝動部材
(5) ケーシング
(6) スタビライザ
(7) 支持軸
(21) 潤滑剤通路
(21a) 両端開口
(1) Power transmission device
(2) (3) Pulley
(4) Dynamic winding transmission member
(5) Casing
(6) Stabilizer
(7) Support shaft
(21) Lubricant passage
(21a) Open at both ends

Claims (1)

固定シーブおよび可動シーブからなるプライマリプーリと、固定シーブおよび可動シーブからなるセカンダリプーリと、両プーリ間に巻き掛けられた巻き掛け伝動部材と、これらを収容するケーシングと、巻き掛け伝動部材の弦部が相対移動可能に挿通されることで巻き掛け伝動部材の動きを規制するスタビライザと、スタビライザを支持する支持軸とを備えている動力伝達装置において、
スタビライザは、巻き掛け伝動部材に対して遊びを有しており、かつ、巻き掛け伝動部材と支持軸との間にある第1面と、第1面に向かい合う第2面と、第1面と第2面とを結ぶ第3面および第4面とによって方形状に巻き掛け伝動部材を囲んでおり、巻き掛け伝動部材の進行方向において、第2面の両側の端縁が第1面の両側の端縁よりもそれぞれ外側に張り出しており、
かつ、スタビライザの第1面の支持軸側に、前記巻き掛け伝動部材の進行方向にのびる潤滑剤通路が設けられて、潤滑剤通路の両端開口から潤滑剤が吐出されることを特徴とする動力伝達装置。
A primary pulley composed of a fixed sheave and a movable sheave, a secondary pulley composed of a fixed sheave and a movable sheave, a winding transmission member wound between both pulleys, a casing for accommodating these, and a string portion of the winding transmission member In a power transmission device including a stabilizer that restricts the movement of the winding transmission member by being inserted so as to be relatively movable, and a support shaft that supports the stabilizer.
The stabilizer has play with respect to the winding transmission member, and includes a first surface between the winding transmission member and the support shaft, a second surface facing the first surface, and a first surface. The third surface and the fourth surface connecting the second surface surround the transmission member in a square shape, and the edges on both sides of the second surface are both sides of the first surface in the traveling direction of the winding transmission member Each projecting outward from the edge of the
And a lubricant passage extending in the direction of travel of the winding transmission member is provided on the support shaft side of the first surface of the stabilizer , and the lubricant is discharged from both ends of the lubricant passage. Transmission device.
JP2010254547A 2010-11-15 2010-11-15 Power transmission device Expired - Fee Related JP5866754B2 (en)

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