JP2022083685A - Clutch device - Google Patents

Clutch device Download PDF

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Publication number
JP2022083685A
JP2022083685A JP2020195157A JP2020195157A JP2022083685A JP 2022083685 A JP2022083685 A JP 2022083685A JP 2020195157 A JP2020195157 A JP 2020195157A JP 2020195157 A JP2020195157 A JP 2020195157A JP 2022083685 A JP2022083685 A JP 2022083685A
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rotating member
side wall
inner rotating
axial direction
clutch device
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尚史 吉田
Hisafumi Yoshida
正樹 高橋
Masaki Takahashi
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GKN Automotive Ltd
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GKN Automotive Ltd
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Abstract

To provide a clutch device which can reduce friction.SOLUTION: A clutch device 1 has: an inside rotating member 7 which is rotatably connected to an external periphery of a rotating shaft 3 via an inside connection part 5 integrally with the rotating shaft 3; an outside rotating member 13 arranged at an external peripheral side of the inside rotating member 7 so as to be relatively rotatable with the inside rotating member 7, and connected to a rotating member 9 which is arranged so as to be relatively rotatable with the rotating shaft 3 via an outside connection part 11 so as to be integrally rotatable with the rotating member 9; and an intermittent part 15 arranged between the inside rotating member 7 and the outside rotating member 13, and having a plurality of clutch plates which are rotatably connected to the inside rotating member 7 and the outside rotating member 13 integrally therewith. The outside rotating member 13 has a sidewall 17 which is arranged while facing the inside rotating member 7 in an axial direction, and a positioning part 19 for positioning the inside rotating member 7 with respect to the rotating shaft 3 in the axial direction, and separating the sidewall 17 and the inside rotating member 7 from each other in the axial direction is arranged at the inside connection part 5.SELECTED DRAWING: Figure 1

Description

本発明は、車両に適用されるクラッチ装置に関する。 The present invention relates to a clutch device applied to a vehicle.

従来、クラッチ装置としては、回転軸としての第1の駆動軸の外周に内側連結部を介して第1の駆動軸と一体回転可能に連結される内側回転部材と、内側回転部材の外周側に内側回転部材と相対回転可能に配置され、第1の駆動軸と相対回転可能に配置された回転部材としての第2の駆動軸に外側連結部を介して第2の駆動軸と一体回転可能に連結される外側回転部材と、内側回転部材と外側回転部材との間に設けられ、内側回転部材と外側回転部材とにそれぞれ一体回転可能に連結された複数のクラッチ板を有する断続部としてのメインクラッチとを備えたものが知られている(特許文献1参照)。 Conventionally, as a clutch device, an inner rotating member that is integrally rotatably connected to the first drive shaft via an inner connecting portion on the outer periphery of the first drive shaft as a rotating shaft, and an inner rotating member on the outer peripheral side of the inner rotating member. It is rotatably arranged relative to the inner rotating member, and can be integrally rotated with the second drive shaft via the outer connecting portion to the second drive shaft as a rotating member arranged so as to be relatively rotatable with the first drive shaft. Main as an intermittent part having a plurality of clutch plates provided between the outer rotating member to be connected and the inner rotating member and the outer rotating member and integrally rotatably connected to the inner rotating member and the outer rotating member, respectively. Those equipped with a clutch are known (see Patent Document 1).

このクラッチ装置では、外側回転部材が、内側回転部材と軸方向に対向して配置される側壁を有する。この側壁と内側回転部材との軸方向間には、環状プレートが配置されている。 In this clutch device, the outer rotating member has a side wall arranged so as to face the inner rotating member in the axial direction. An annular plate is arranged between the side wall and the inner rotating member in the axial direction.

このようなクラッチ装置では、内側回転部材が、環状プレートと当接することによって、環状プレートを介して外側回転部材の側壁に対して軸方向に位置決めされている。 In such a clutch device, the inner rotating member is axially positioned with respect to the side wall of the outer rotating member via the annular plate by abutting against the annular plate.

特開2007-177979号公報Japanese Unexamined Patent Publication No. 2007-177979

ところで、上記特許文献1のクラッチ装置では、内側回転部材が、環状プレートと当接することによって位置決めされているので、内側回転部材と外側回転部材とが相対回転するときには、内側回転部材と環状プレートとの間に摺動が生じる。このような摺動が生じると、フリクションが増大してしまう。 By the way, in the clutch device of Patent Document 1, since the inner rotating member is positioned by abutting against the annular plate, when the inner rotating member and the outer rotating member rotate relative to each other, the inner rotating member and the annular plate are used. Sliding occurs between. When such sliding occurs, friction increases.

そこで、この発明は、フリクションを低減することができるクラッチ装置の提供を目的としている。 Therefore, an object of the present invention is to provide a clutch device capable of reducing friction.

本発明は、回転軸の外周に内側連結部を介して前記回転軸と一体回転可能に連結される内側回転部材と、前記内側回転部材の外周側に前記内側回転部材と相対回転可能に配置され、前記回転軸と相対回転可能に配置された回転部材に外側連結部を介して前記回転部材と一体回転可能に連結される外側回転部材と、前記内側回転部材と前記外側回転部材との間に設けられ、前記内側回転部材と前記外側回転部材とにそれぞれ一体回転可能に連結された複数のクラッチ板を有する断続部と、を備え、前記外側回転部材は、前記内側回転部材と軸方向に対向して配置される側壁を有し、前記内側連結部には、前記回転軸に対して前記内側回転部材を軸方向に位置決めし、前記側壁と前記内側回転部材とを軸方向に離間させる位置決め部が設けられていることを特徴とするクラッチ装置である。 In the present invention, an inner rotating member that is integrally rotatably connected to the rotating shaft via an inner connecting portion on the outer periphery of the rotating shaft, and an inner rotating member that is rotatably arranged on the outer peripheral side of the inner rotating member so as to be relative to the inner rotating member. Between the outer rotating member, which is rotatably connected to the rotating member via the outer connecting portion to the rotating member rotatably arranged relative to the rotating shaft, and between the inner rotating member and the outer rotating member. The outer rotating member is provided with an intermittent portion having a plurality of clutch plates integrally rotatably connected to the inner rotating member and the outer rotating member, respectively, and the outer rotating member is axially opposed to the inner rotating member. In the inner connecting portion, the inner rotating member is positioned axially with respect to the rotating shaft, and the side wall and the inner rotating member are axially separated from each other. It is a clutch device characterized by being provided with.

このクラッチ装置では、内側連結部に、回転軸に対して内側回転部材を軸方向に位置決めし、側壁と内側回転部材とを軸方向に離間させる位置決め部が設けられている。このため、内側回転部材と外側回転部材とが相対回転しても、内側回転部材と側壁とが摺動することがない。 In this clutch device, the inner connecting portion is provided with a positioning portion for axially positioning the inner rotating member with respect to the rotating shaft and axially separating the side wall and the inner rotating member. Therefore, even if the inner rotating member and the outer rotating member rotate relative to each other, the inner rotating member and the side wall do not slide.

従って、このようなクラッチ装置では、内側回転部材と側壁とが摺動することがなく、フリクションを低減することができる。 Therefore, in such a clutch device, the inner rotating member and the side wall do not slide, and friction can be reduced.

本発明によれば、フリクションを低減することができるクラッチ装置を提供することができるという効果を奏する。 According to the present invention, it is possible to provide a clutch device capable of reducing friction.

本実施形態に係るクラッチ装置の断面図である。It is sectional drawing of the clutch device which concerns on this embodiment.

図1を用いて本実施形態に係るクラッチ装置について説明する。 The clutch device according to this embodiment will be described with reference to FIG.

本実施形態に係るクラッチ装置1は、回転軸3の外周に内側連結部5を介して回転軸3と一体回転可能に連結される内側回転部材7と、内側回転部材7の外周側に内側回転部材7と相対回転可能に配置され、回転軸3と相対回転可能に配置された回転部材9に外側連結部11を介して回転部材9と一体回転可能に連結される外側回転部材13と、内側回転部材7と外側回転部材13との間に設けられ、内側回転部材7と外側回転部材13とにそれぞれ一体回転可能に連結された複数のクラッチ板を有する断続部15とを備えている。 The clutch device 1 according to the present embodiment has an inner rotating member 7 that is integrally rotatably connected to the outer peripheral side of the rotating shaft 3 via an inner connecting portion 5 and an inner rotating member 7 on the outer peripheral side of the inner rotating member 7. An outer rotating member 13 that is rotatably arranged relative to the member 7 and integrally rotatably connected to the rotating member 9 via the outer connecting portion 11 to the rotating member 9 that is rotatably arranged relative to the rotating shaft 3 and the inner side. It is provided between the rotating member 7 and the outer rotating member 13, and includes an intermittent portion 15 having a plurality of clutch plates integrally rotatably connected to the inner rotating member 7 and the outer rotating member 13.

また、外側回転部材13は、内側回転部材7と軸方向に対向して配置される側壁17を有する。 Further, the outer rotating member 13 has a side wall 17 arranged so as to face the inner rotating member 7 in the axial direction.

そして、内側連結部5には、回転軸3に対して内側回転部材7を軸方向に位置決めし、側壁17と内側回転部材7とを軸方向に離間させる位置決め部19が設けられている。 The inner connecting portion 5 is provided with a positioning portion 19 for axially positioning the inner rotating member 7 with respect to the rotating shaft 3 and axially separating the side wall 17 and the inner rotating member 7.

また、回転軸3の外周には、軸方向に内側回転部材7を挟んで側壁17に対向され、断続部15を押圧可能な押圧部材21が軸方向移動可能に配置されている。さらに、内側回転部材7と押圧部材21との間には、内側回転部材7を軸方向の側壁17側に向けて付勢する付勢部材23が配置されている。 Further, on the outer periphery of the rotating shaft 3, a pressing member 21 that faces the side wall 17 with the inner rotating member 7 sandwiched in the axial direction and can press the intermittent portion 15 is arranged so as to be movable in the axial direction. Further, between the inner rotating member 7 and the pressing member 21, an urging member 23 that urges the inner rotating member 7 toward the side wall 17 in the axial direction is arranged.

そして、内側回転部材7の側壁17に向けた端部は、内側回転部材7が回転軸3に連結される前の状態で、側壁17と当接される。 Then, the end portion of the inner rotating member 7 toward the side wall 17 is brought into contact with the side wall 17 in a state before the inner rotating member 7 is connected to the rotating shaft 3.

また、内側回転部材7の端部には、側壁17に向けて突出する凸部25が設けられている。 Further, a convex portion 25 projecting toward the side wall 17 is provided at the end of the inner rotating member 7.

さらに、内側回転部材7の外周には、断続部15のクラッチ板が連結される係合部27が設けられている。また、側壁17の内周には、外側連結部11が設けられている。 Further, an engaging portion 27 to which the clutch plate of the intermittent portion 15 is connected is provided on the outer periphery of the inner rotating member 7. Further, an outer connecting portion 11 is provided on the inner circumference of the side wall 17.

そして、凸部25は、係合部27と外側連結部11との径方向間に配置されている。 The convex portion 25 is arranged between the engaging portion 27 and the outer connecting portion 11 in the radial direction.

図1に示すように、クラッチ装置1は、内側回転部材7と、外側回転部材13と、断続機構29などから構成されている。 As shown in FIG. 1, the clutch device 1 is composed of an inner rotating member 7, an outer rotating member 13, an intermittent mechanism 29, and the like.

内側回転部材7は、ケース31の内部に回転可能に収容され、中空の軸状に形成されている。この内側回転部材7の外周には、スプライン形状の係合部27が形成され、断続部15の内側クラッチ板が係合されている。 The inner rotating member 7 is rotatably housed inside the case 31 and is formed in a hollow shaft shape. A spline-shaped engaging portion 27 is formed on the outer periphery of the inner rotating member 7, and the inner clutch plate of the intermittent portion 15 is engaged.

このような内側回転部材7の内周には、入出力部材のうち一方の回転部材である回転軸3が連結されるスプライン形状の内側連結部5が設けられ、内側連結部5を介して内側回転部材7と回転軸3とが一体回転可能に連結されている。 On the inner circumference of such an inner rotating member 7, a spline-shaped inner connecting portion 5 to which a rotating shaft 3 which is one of the input / output members is connected is provided, and is inside via the inner connecting portion 5. The rotating member 7 and the rotating shaft 3 are integrally rotatably connected to each other.

回転軸3は、ケース31の内部に回転可能に収容され、中空の軸状に形成されて、軸方向両側の外周でベアリング33,35を介して回転部材9と外側回転部材13とにそれぞれ回転可能に径方向に支持されている。 The rotary shaft 3 is rotatably housed inside the case 31, is formed in a hollow shaft shape, and rotates to the rotary member 9 and the outer rotary member 13 via bearings 33 and 35 on the outer circumferences on both sides in the axial direction, respectively. It is supported radially as much as possible.

この回転軸3と回転部材9との軸方向間、回転軸3とケース31との軸方向間には、それぞれ回転軸3の回転を許容し、回転軸3を軸方向に支持するスラストベアリング37,39が配置されている。 A thrust bearing 37 that allows rotation of the rotating shaft 3 between the rotating shaft 3 and the rotating member 9 in the axial direction and between the rotating shaft 3 and the case 31 in the axial direction and supports the rotating shaft 3 in the axial direction. , 39 are arranged.

このような回転軸3に内側連結部5を介して一体回転可能に連結される内側回転部材7の外周側には、外側回転部材13が内側回転部材7と相対回転可能に配置されている。 The outer rotating member 13 is rotatably arranged relative to the inner rotating member 7 on the outer peripheral side of the inner rotating member 7 which is integrally rotatably connected to the rotating shaft 3 via the inner connecting portion 5.

外側回転部材13は、ケース31の内部に回転可能に収容され、ハウジング41と、ロータ43とを備えている。 The outer rotating member 13 is rotatably housed inside the case 31 and includes a housing 41 and a rotor 43.

ハウジング41は、筒状に形成されている。このハウジング41の内周には、スプライン形状の係合部45が形成され、断続部15の外側クラッチ板と、パイロットクラッチ61の外側プレートとが係合されている。 The housing 41 is formed in a cylindrical shape. A spline-shaped engaging portion 45 is formed on the inner circumference of the housing 41, and the outer clutch plate of the intermittent portion 15 and the outer plate of the pilot clutch 61 are engaged with each other.

このようなハウジング41の軸方向の一端側には、係合部45に環状の側壁17がハウジング41と一体回転可能に係合されている。この側壁17は、係合部45に固定された規制部材47によって、ハウジング41からの抜け止めがなされ、軸方向に位置決めされている。 An annular side wall 17 is rotatably and integrally engaged with the engaging portion 45 on one end side of the housing 41 in the axial direction. The side wall 17 is prevented from coming off from the housing 41 by a restricting member 47 fixed to the engaging portion 45, and is positioned in the axial direction.

このような側壁17の内周には、回転軸3と相対回転可能に配置され、入出力部材のうち他方の回転部材9が連結されるスプライン形状の外側連結部11が設けられ、外側連結部11を介して外側回転部材13と回転部材9とが一体回転可能に連結されている。 A spline-shaped outer connecting portion 11 is provided on the inner circumference of such a side wall 17 so as to be rotatable relative to the rotating shaft 3 and to which the other rotating member 9 of the input / output members is connected. The outer rotating member 13 and the rotating member 9 are integrally rotatably connected via 11.

回転部材9は、中空の軸状に形成され、軸方向の一端側がケース31の内部に回転可能に収容され、ベアリング49を介してケース31に回転可能に支持されている。 The rotating member 9 is formed in a hollow shaft shape, one end side in the axial direction is rotatably housed inside the case 31, and is rotatably supported by the case 31 via a bearing 49.

この回転部材9に外側連結部11を介して一体回転可能に連結される外側回転部材13のハウジング41は、ロータ43と一体回転可能に設けられている。 The housing 41 of the outer rotating member 13 that is integrally rotatably connected to the rotating member 9 via the outer connecting portion 11 is provided so as to be integrally rotatable with the rotor 43.

ロータ43は、磁性材料からなり、ハウジング41の軸方向の他端側が溶接などの固定手段によって一体回転可能に固定され、ベアリング51を介して電磁石67に回転可能に支持されている。 The rotor 43 is made of a magnetic material, and the other end side of the housing 41 in the axial direction is integrally rotatably fixed by a fixing means such as welding, and is rotatably supported by an electromagnet 67 via a bearing 51.

このロータ43は、電磁石67の軸方向に隣接して配置され径方向に延設された壁部53と、壁部53の外径側から軸方向の電磁石67側に向けて延設された外側延設部55と、壁部53の内径側から軸方向の電磁石67側に向けて延設された内側延設部57とを有している。 The rotor 43 has a wall portion 53 arranged adjacent to the electromagnet 67 in the axial direction and extended in the radial direction, and an outer side extending from the outer diameter side of the wall portion 53 toward the electromagnet 67 in the axial direction. It has an extension portion 55 and an inner extension portion 57 extending from the inner diameter side of the wall portion 53 toward the electromagnet 67 side in the axial direction.

壁部53は、パイロットクラッチ61と電磁石67との軸方向間に配置され、磁束ループを形成させるための非磁性材料からなる磁路形成部材59が溶接などの固定手段によって壁部53と一体的に設けられている。 The wall portion 53 is arranged between the pilot clutch 61 and the electromagnet 67 in the axial direction, and a magnetic path forming member 59 made of a non-magnetic material for forming a magnetic flux loop is integrated with the wall portion 53 by a fixing means such as welding. It is provided in.

外側延設部55は、電磁石67の外径側に配置され、電磁石67のコア79との径方向間に微少隙間をもって対向するエアギャップが設けられ、電磁石67のコア79との間で磁束の受け渡しが可能となっている。 The outer extending portion 55 is arranged on the outer diameter side of the electromagnet 67, and an air gap facing the core 79 of the electromagnet 67 with a minute gap is provided in the radial direction, and the magnetic flux flows between the core 79 of the electromagnet 67 and the core 79 of the electromagnet 67. Delivery is possible.

内側延設部57は、電磁石67の内径側に配置され、電磁石67のコア79との径方向間に微少隙間をもって対向するエアギャップが設けられ、電磁石67のコア79との間で磁束の受け渡しが可能となっている。 The inner extending portion 57 is arranged on the inner diameter side of the electromagnet 67, and an air gap facing the core 79 of the electromagnet 67 with a minute gap is provided in the radial direction, and magnetic flux is transferred to and from the core 79 of the electromagnet 67. Is possible.

このようなロータ43は、壁部53と外側延設部55と内側延設部57とで、電磁石67の軸方向一側の周囲に配置され、電磁石67の励磁による磁束を透過し、磁束ループを形成する。 Such a rotor 43 is arranged around one side in the axial direction of the electromagnet 67 by the wall portion 53, the outer extension portion 55, and the inner extension portion 57, and transmits the magnetic flux due to the excitation of the electromagnet 67 to transmit a magnetic flux loop. To form.

このようなハウジング41とロータ43とを有する外側回転部材13と内側回転部材7との間の動力伝達は、断続機構29によって断続される。 The power transmission between the outer rotating member 13 having the housing 41 and the rotor 43 and the inner rotating member 7 is interrupted by the intermittent mechanism 29.

断続機構29は、断続部15と、パイロットクラッチ61と、アーマチャ63と、カム機構65と、電磁石67などから構成されている。 The intermittent mechanism 29 includes an intermittent portion 15, a pilot clutch 61, an armature 63, a cam mechanism 65, an electromagnet 67, and the like.

断続部15は、複数の内側クラッチ板と、複数の外側クラッチ板とを備えている。 The intermittent portion 15 includes a plurality of inner clutch plates and a plurality of outer clutch plates.

複数の内側クラッチ板は、内側回転部材7の外周に形成された係合部27に軸方向移動可能で内側回転部材7と一体回転可能に係合されている。 The plurality of inner clutch plates are axially movable and integrally rotatably engaged with the engaging portion 27 formed on the outer periphery of the inner rotating member 7.

複数の外側クラッチ板は、複数の内側クラッチ板に対して軸方向に交互に配置され、ハウジング41の内周に形成された係合部45に軸方向移動可能で外側回転部材13と一体回転可能に係合されている。 The plurality of outer clutch plates are arranged alternately in the axial direction with respect to the plurality of inner clutch plates, and can be moved axially to the engaging portion 45 formed on the inner circumference of the housing 41 and can rotate integrally with the outer rotating member 13. Is engaged in.

この断続部15は、複数の外側クラッチ板と複数の内側クラッチ板とで構成された多板クラッチであり、滑り摩擦を伴い伝達トルクを中間制御可能な制御型の摩擦クラッチとなっている。 The intermittent portion 15 is a multi-plate clutch composed of a plurality of outer clutch plates and a plurality of inner clutch plates, and is a control type friction clutch capable of intermediate control of transmission torque accompanied by sliding friction.

このような断続部15は、パイロットクラッチ61の断続によって作動され、内側回転部材7と外側回転部材13との間に伝達される駆動トルクを断続する。 Such an intermittent portion 15 is operated by the interruption of the pilot clutch 61, and interrupts the drive torque transmitted between the inner rotating member 7 and the outer rotating member 13.

パイロットクラッチ61は、外側回転部材13内でロータ43の壁部53とアーマチャ63との軸方向間に配置されている。 The pilot clutch 61 is arranged in the outer rotating member 13 between the wall portion 53 of the rotor 43 and the armature 63 in the axial direction.

このパイロットクラッチ61は、ハウジング41の係合部45に軸方向移動可能で外側回転部材13と一体回転可能に連結する複数の外側プレートと、カムリング69の外周に複数の外側プレートに対して軸方向間に交互に配置され軸方向移動可能でカムリング69と一体回転可能に連結する複数の内側プレートとで構成されている。 The pilot clutch 61 is axially movable with respect to a plurality of outer plates that are axially movable and integrally rotatably connected to the engaging portion 45 of the housing 41, and a plurality of outer plates on the outer periphery of the cam ring 69. It is composed of a plurality of inner plates that are alternately arranged between them, are movable in the axial direction, and are integrally rotatably connected to the cam ring 69.

このようなパイロットクラッチ61は、アーマチャ63が電磁石67の励磁によって吸引移動されることにより接続される。 Such a pilot clutch 61 is connected by the armature 63 being attracted and moved by the excitation of the electromagnet 67.

アーマチャ63は、磁性材料からなり、軸方向にパイロットクラッチ61を挟んでロータ43の壁部53と対向し、軸方向移動可能に配置されている。 The armature 63 is made of a magnetic material, faces the wall portion 53 of the rotor 43 with the pilot clutch 61 interposed therebetween, and is arranged so as to be movable in the axial direction.

このアーマチャ63は、電磁石67が励磁されたときに形成される磁束ループによって電磁石67側に吸引移動され、パイロットクラッチ61を接続させる。 The armature 63 is attracted and moved toward the electromagnet 67 by a magnetic flux loop formed when the electromagnet 67 is excited, and connects the pilot clutch 61.

このようなアーマチャ63の電磁石67側への吸引移動によるパイロットクラッチ61の接続により、カム機構65でスラスト力が発生される。 Thrust force is generated in the cam mechanism 65 by connecting the pilot clutch 61 by suction movement of the armature 63 to the electromagnet 67 side.

カム機構65は、押圧部材21と、カムリング69と、カムボール71とからなる。 The cam mechanism 65 includes a pressing member 21, a cam ring 69, and a cam ball 71.

押圧部材21は、環状に形成され、回転軸3の外周に軸方向移動可能に配置され、断続部15の複数のクラッチ板に対して軸方向に隣接配置されている。 The pressing member 21 is formed in an annular shape, is arranged so as to be movable in the axial direction on the outer periphery of the rotating shaft 3, and is arranged adjacent to the plurality of clutch plates of the intermittent portion 15 in the axial direction.

この押圧部材21と内側回転部材7との軸方向間には、押圧部材21を断続部15の接続解除方向に、常時、付勢する付勢部材23が配置されている。 An urging member 23 that constantly urges the pressing member 21 in the disconnection direction of the intermittent portion 15 is arranged between the pressing member 21 and the inner rotating member 7 in the axial direction.

この付勢部材23は、断続部15が接続解除状態であるときに、押圧部材21を断続部15の接続解除方向に付勢することで、押圧部材21による複数のクラッチ板の押圧を防止し、断続部15における引き摺りトルクの発生を抑制する。 The urging member 23 prevents the pressing member 21 from pressing a plurality of clutch plates by urging the pressing member 21 in the connection disconnecting direction of the intermittent portion 15 when the intermittent portion 15 is in the disconnection state. , The generation of drag torque in the intermittent portion 15 is suppressed.

このような押圧部材21は、カム機構65で生じるスラスト力によって断続部15の接続方向に付勢部材23の付勢力に抗して軸方向移動され、断続部15に押圧力を付与して接続させる。 Such a pressing member 21 is axially moved in the connection direction of the intermittent portion 15 against the urging force of the urging member 23 by the thrust force generated by the cam mechanism 65, and applies a pressing force to the intermittent portion 15 to connect. Let me.

カムリング69は、回転軸3の外周に軸方向移動可能に配置され、外径側にパイロットクラッチ61の複数の内側プレートが一体回転可能に連結されている。 The cam ring 69 is arranged on the outer periphery of the rotating shaft 3 so as to be movable in the axial direction, and a plurality of inner plates of the pilot clutch 61 are integrally rotatably connected to the outer diameter side.

このカムリング69とロータ43との軸方向間には、スラストベアリング73が配置されており、ロータ43とカムリング69との相対回転を許容し、カム機構65で生じるスラスト反力がロータ43へ入力される。 A thrust bearing 73 is arranged between the cam ring 69 and the rotor 43 in the axial direction, allowing relative rotation between the rotor 43 and the cam ring 69, and the thrust reaction force generated by the cam mechanism 65 is input to the rotor 43. To.

カムボール71は、押圧部材21とカムリング69とに周方向に形成された複数のカム面を対向させ、これらのカム面間に介在されている。 The cam ball 71 faces a plurality of cam surfaces formed in the circumferential direction between the pressing member 21 and the cam ring 69, and is interposed between the cam surfaces.

このカムボール71は、パイロットクラッチ61の接続によって押圧部材21とカムリング69との間に差回転が生じることにより、パイロットクラッチ61に生じる摩擦トルクに応じた強さで押圧部材21を断続部15側へ軸方向押圧移動させるカムスラスト力を発生させる。 The cam ball 71 causes a differential rotation between the pressing member 21 and the cam ring 69 due to the connection of the pilot clutch 61, so that the pressing member 21 is moved to the intermittent portion 15 side with a strength corresponding to the friction torque generated in the pilot clutch 61. A cam thrust force is generated by pressing and moving in the axial direction.

このようなカム機構65におけるカムスラスト力は、電磁石67の励磁によってパイロットクラッチ61が締結されることから発生される。 The cam thrust force in such a cam mechanism 65 is generated from the engagement of the pilot clutch 61 by the excitation of the electromagnet 67.

電磁石67は、ベアリング51を介して外側回転部材13の外部でロータ43の端部外周に配置されている。この電磁石67は、外周側がケース31に形成された係合部75に係合されて回り止めされ、電磁コイル77と、コア79とを備えている。 The electromagnet 67 is arranged on the outer periphery of the end portion of the rotor 43 outside the outer rotating member 13 via the bearing 51. The outer peripheral side of the electromagnet 67 is engaged with an engaging portion 75 formed in the case 31 to prevent rotation, and includes an electromagnetic coil 77 and a core 79.

電磁コイル77は、所定回数巻回されて環状に形成され、樹脂によってモールド成形されることにより形状保持されている。この電磁コイル77には、コア79から引き出されるリード線(不図示)が電気的に接続されている。 The electromagnetic coil 77 is wound a predetermined number of times to form an annular shape, and is molded by a resin to maintain its shape. A lead wire (not shown) drawn from the core 79 is electrically connected to the electromagnetic coil 77.

このリード線は、ケース31の外部に引き出され、ケース31の外部に配置されたコントローラ(不図示)に電気的に接続され、コントローラによって電磁コイル77への通電が制御されている。 This lead wire is drawn to the outside of the case 31 and is electrically connected to a controller (not shown) arranged outside the case 31, and the energization of the electromagnetic coil 77 is controlled by the controller.

コア79は、磁性材料からなり、電磁コイル77の軸方向のロータ43の壁部53と対向する部分以外の周囲を覆うように配置されている。 The core 79 is made of a magnetic material and is arranged so as to cover the periphery other than the portion of the electromagnetic coil 77 facing the wall portion 53 of the rotor 43 in the axial direction.

このコア79は、ロータ43の外側延設部55と内側延設部57との径方向間に配置され、外側延設部55と内側延設部57との間のエアギャップを介してロータ43と共に磁束を透過し、パイロットクラッチ61及びアーマチャ63を介して磁束ループを形成させる。 The core 79 is arranged radially between the outer extension 55 and the inner extension 57 of the rotor 43, and the rotor 43 passes through an air gap between the outer extension 55 and the inner extension 57. At the same time, the magnetic flux is transmitted to form a magnetic flux loop via the pilot clutch 61 and the armature 63.

このように構成されたクラッチ装置1では、電磁コイル77への通電により、コア79、ロータ43、パイロットクラッチ61、アーマチャ63を介した磁束が循環されて磁束ループが形成され、アーマチャ63が電磁石67側に吸引移動されてパイロットクラッチ61が締結される。 In the clutch device 1 configured in this way, the magnetic flux is circulated through the core 79, the rotor 43, the pilot clutch 61, and the armature 63 by energizing the electromagnetic coil 77 to form a magnetic flux loop, and the armature 63 is an electromagnet 67. The pilot clutch 61 is engaged by being sucked and moved to the side.

このパイロットクラッチ61の締結トルクは、カム機構65を介して軸方向推力に変換され、押圧部材21が断続部15の複数のクラッチ板を押圧して断続部15が接続される。 The fastening torque of the pilot clutch 61 is converted into axial thrust via the cam mechanism 65, and the pressing member 21 presses the plurality of clutch plates of the intermittent portion 15 to connect the intermittent portion 15.

この断続部15の接続により、内側回転部材7と外側回転部材13とが接続されて入出力部材間の動力伝達が可能となる。 By connecting the intermittent portion 15, the inner rotating member 7 and the outer rotating member 13 are connected, and power can be transmitted between the input / output members.

このようなクラッチ装置1において、外側回転部材13の側壁17と、内側回転部材7の側壁17と対向する端部とが当接していると、内側回転部材7と外側回転部材13とが相対回転可能であるときに、側壁17と内側回転部材7との間に摺動が生じる。 In such a clutch device 1, when the side wall 17 of the outer rotating member 13 and the end portion facing the side wall 17 of the inner rotating member 7 are in contact with each other, the inner rotating member 7 and the outer rotating member 13 rotate relative to each other. When possible, sliding occurs between the side wall 17 and the inner rotating member 7.

このため、断続部15が接続解除状態であるのに、側壁17と内側回転部材7との摺動によって、フリクション(引き摺りトルク)が発生し、内側回転部材7と外側回転部材13との間の動力伝達が発生する可能性がある。 Therefore, even though the intermittent portion 15 is in the disconnected state, friction (dragging torque) is generated due to the sliding between the side wall 17 and the inner rotating member 7, and between the inner rotating member 7 and the outer rotating member 13. Power transmission may occur.

この側壁17と内側回転部材7との摺動によるフリクションの発生を抑制するために、スラストベアリングなどの摺動部材を配置することも考えられるが、部品点数の増加や高コスト化などの懸念がある。 In order to suppress the generation of friction due to the sliding between the side wall 17 and the inner rotating member 7, it is conceivable to arrange a sliding member such as a thrust bearing, but there is a concern that the number of parts will increase and the cost will increase. be.

そこで、内側連結部5には、回転軸3に対して内側回転部材7を軸方向に位置決めし、側壁17と内側回転部材7とを軸方向に離間させる位置決め部19が設けられている。 Therefore, the inner connecting portion 5 is provided with a positioning portion 19 for axially positioning the inner rotating member 7 with respect to the rotating shaft 3 and axially separating the side wall 17 and the inner rotating member 7.

位置決め部19は、内側環状溝81と、軸側環状溝83と、係合部材85とを備えている。 The positioning portion 19 includes an inner annular groove 81, a shaft-side annular groove 83, and an engaging member 85.

内側環状溝81は、内側回転部材7の内周に、周方向に連続して形成されている。 The inner annular groove 81 is continuously formed in the circumferential direction on the inner circumference of the inner rotating member 7.

軸側環状溝83は、回転軸3の外周において、内側環状溝81と径方向に対向する位置に、周方向に連続して形成されている。 The shaft-side annular groove 83 is formed continuously in the circumferential direction at a position radially opposed to the inner annular groove 81 on the outer periphery of the rotating shaft 3.

係合部材85は、周方向の一部が切り欠かれた、例えば、C型ワッシャなどの形状に形成され、自由状態で内側環状溝81と軸側環状溝83とにそれぞれ軸方向に係合可能となっている。 The engaging member 85 is formed in a shape such as a C-shaped washer with a part cut out in the circumferential direction, and is engaged with the inner annular groove 81 and the shaft-side annular groove 83 in the free state in the axial direction, respectively. It is possible.

このような位置決め部19は、内側回転部材7を回転軸3に組付ける前の状態で、係合部材85が軸側環状溝83に係合された状態で配置される。 Such a positioning portion 19 is arranged in a state where the engaging member 85 is engaged with the shaft-side annular groove 83 before the inner rotating member 7 is assembled to the rotating shaft 3.

この状態から回転軸3に対して、内側連結部5で内側回転部材7を連結させることにより、内側回転部材7の軸方向端面と係合部材85とが当接して係合部材85が縮径し、係合部材85が軸側環状溝83内に収容される。 From this state, by connecting the inner rotating member 7 to the rotating shaft 3 with the inner connecting portion 5, the axial end surface of the inner rotating member 7 and the engaging member 85 come into contact with each other, and the engaging member 85 has a reduced diameter. Then, the engaging member 85 is housed in the shaft-side annular groove 83.

そして、内側回転部材7が回転軸3の軸方向の正規位置に配置されると、内側環状溝81と軸側環状溝83との軸方向位置が一致し、係合部材85が復元され、係合部材85が内側環状溝81と軸側環状溝83とにそれぞれ軸方向に係合される。 Then, when the inner rotating member 7 is arranged at a normal position in the axial direction of the rotating shaft 3, the axial positions of the inner annular groove 81 and the axial side annular groove 83 match, and the engaging member 85 is restored and engaged. The mating member 85 is axially engaged with the inner annular groove 81 and the shaft-side annular groove 83, respectively.

この内側環状溝81と軸側環状溝83とに係合部材85が係合された状態では、回転軸3に対して、内側回転部材7が軸方向に移動することが規制され、回転軸3に対する内側回転部材7の軸方向の位置決めがなされる。 In a state where the engaging member 85 is engaged with the inner annular groove 81 and the shaft side annular groove 83, the inner rotating member 7 is restricted from moving in the axial direction with respect to the rotating shaft 3, and the rotating shaft 3 is restricted. The inner rotating member 7 is positioned in the axial direction with respect to the relative direction.

この位置決め部19によって、回転軸3に対して内側回転部材7が軸方向に位置決めされた状態では、側壁17と内側回転部材7の側壁17と対向する軸方向の端面との間に、隙間が形成されている。 When the inner rotating member 7 is positioned axially with respect to the rotating shaft 3 by the positioning portion 19, there is a gap between the side wall 17 and the side wall 17 of the inner rotating member 7 and the end surface in the axial direction facing the side wall 17. It is formed.

このため、内側回転部材7と外側回転部材13とが相対回転可能であるときであっても、側壁17と内側回転部材7とが摺動することがなく、断続部15におけるフリクション(引き摺りトルク)を低減することができる。 Therefore, even when the inner rotating member 7 and the outer rotating member 13 are relatively rotatable, the side wall 17 and the inner rotating member 7 do not slide, and friction (dragging torque) in the intermittent portion 15 is achieved. Can be reduced.

ここで、内側回転部材7と押圧部材21との軸方向間には、押圧部材21を断続部15の接続解除方向に付勢する付勢部材23が配置されている。この押圧部材21は、内側回転部材7を側壁17側に向けて付勢している。 Here, between the axial direction of the inner rotating member 7 and the pressing member 21, an urging member 23 that urges the pressing member 21 in the disconnection direction of the intermittent portion 15 is arranged. The pressing member 21 urges the inner rotating member 7 toward the side wall 17.

このため、内側回転部材7が回転軸3に組付けられる前の状態において、付勢部材23の付勢力によって内側回転部材7が側壁17側に移動され、内側回転部材7の側壁17に向けた端部は、側壁17と当接される。 Therefore, in the state before the inner rotating member 7 is assembled to the rotating shaft 3, the inner rotating member 7 is moved toward the side wall 17 by the urging force of the urging member 23, and is directed toward the side wall 17 of the inner rotating member 7. The end is in contact with the side wall 17.

このように内側回転部材7の端部を側壁17に当接させることにより、内側回転部材7が回転軸3に組付けられる前の仮組状態を安定して保持することができ、クラッチ装置1の組付性を向上することができる。 By bringing the end portion of the inner rotating member 7 into contact with the side wall 17 in this way, the temporarily assembled state before the inner rotating member 7 is assembled to the rotating shaft 3 can be stably maintained, and the clutch device 1 can be stably maintained. It is possible to improve the assemblability of the.

このような側壁17に当接される内側回転部材7の端部には、側壁17に向けて突出する凸部25が設けられている。この凸部25は、内側回転部材7が回転軸3に組付けられる前の状態で側壁17に当接される。 At the end of the inner rotating member 7 that comes into contact with the side wall 17, a convex portion 25 that protrudes toward the side wall 17 is provided. The convex portion 25 is in contact with the side wall 17 in a state before the inner rotating member 7 is assembled to the rotating shaft 3.

このような凸部25を設けることにより、側壁17と内側回転部材7とが当接するときに、凸部25のみが側壁17に当接され、側壁17と当接することによる内側回転部材7の他の部分への影響を抑制することができる。 By providing such a convex portion 25, when the side wall 17 and the inner rotating member 7 come into contact with each other, only the convex portion 25 is brought into contact with the side wall 17, and the inner rotating member 7 is brought into contact with the side wall 17. It is possible to suppress the influence on the part of.

このような凸部25は、内側回転部材7の内側クラッチ板が係合される係合部27と外側回転部材13の回転部材9が連結される外側連結部11との径方向間に配置されている。 Such a convex portion 25 is arranged in the radial direction between the engaging portion 27 to which the inner clutch plate of the inner rotating member 7 is engaged and the outer connecting portion 11 to which the rotating member 9 of the outer rotating member 13 is connected. ing.

このように凸部25を配置することにより、側壁17と凸部25とが当接したときに、係合部27と外側連結部11とへの影響を抑制することができ、断続部15の断続特性と外側回転部材13と回転部材9との連結とを保持することができる。 By arranging the convex portion 25 in this way, when the side wall 17 and the convex portion 25 come into contact with each other, the influence on the engaging portion 27 and the outer connecting portion 11 can be suppressed, and the intermittent portion 15 can be suppressed. It is possible to maintain the intermittent characteristics and the connection between the outer rotating member 13 and the rotating member 9.

このようなクラッチ装置1では、内側連結部5に、回転軸3に対して内側回転部材7を軸方向に位置決めし、側壁17と内側回転部材7とを軸方向に離間させる位置決め部19が設けられている。このため、内側回転部材7と外側回転部材13とが相対回転しても、内側回転部材7と側壁17とが摺動することがない。 In such a clutch device 1, the inner connecting portion 5 is provided with a positioning portion 19 for axially positioning the inner rotating member 7 with respect to the rotating shaft 3 and axially separating the side wall 17 and the inner rotating member 7. Has been done. Therefore, even if the inner rotating member 7 and the outer rotating member 13 rotate relative to each other, the inner rotating member 7 and the side wall 17 do not slide.

従って、このようなクラッチ装置1では、内側回転部材7と側壁17とが摺動することがなく、フリクションを低減することができる。 Therefore, in such a clutch device 1, the inner rotating member 7 and the side wall 17 do not slide, and friction can be reduced.

また、回転軸3の外周には、軸方向に内側回転部材7を挟んで側壁17に対向され、断続部15を押圧可能な押圧部材21が軸方向移動可能に配置されている。さらに、内側回転部材7と押圧部材21との間には、内側回転部材7を軸方向の側壁17側に向けて付勢する付勢部材23が配置されている。そして、内側回転部材7の側壁17に向けた端部は、内側回転部材7が回転軸3に連結される前の状態で、側壁17と当接される。 Further, on the outer periphery of the rotating shaft 3, a pressing member 21 that faces the side wall 17 with the inner rotating member 7 sandwiched in the axial direction and can press the intermittent portion 15 is arranged so as to be movable in the axial direction. Further, between the inner rotating member 7 and the pressing member 21, an urging member 23 that urges the inner rotating member 7 toward the side wall 17 in the axial direction is arranged. Then, the end portion of the inner rotating member 7 toward the side wall 17 is brought into contact with the side wall 17 in a state before the inner rotating member 7 is connected to the rotating shaft 3.

このため、内側回転部材7が回転軸3に組付けられる前の仮組状態を安定して保持することができ、クラッチ装置1の組付性を向上することができる。 Therefore, the temporarily assembled state before the inner rotating member 7 is assembled to the rotating shaft 3 can be stably maintained, and the assembling property of the clutch device 1 can be improved.

また、内側回転部材7の端部には、側壁17に向けて突出する凸部25が設けられている。このため、側壁17と内側回転部材7とが当接するときに、凸部25のみが側壁17に当接され、側壁17と当接することによる内側回転部材7の他の部分への影響を抑制することができる。 Further, a convex portion 25 projecting toward the side wall 17 is provided at the end of the inner rotating member 7. Therefore, when the side wall 17 and the inner rotating member 7 come into contact with each other, only the convex portion 25 is brought into contact with the side wall 17, and the influence of the contact with the side wall 17 on other parts of the inner rotating member 7 is suppressed. be able to.

さらに、内側回転部材7の外周には、断続部15のクラッチ板が連結される係合部27が設けられている。また、側壁17の内周には、外側連結部11が設けられている。そして、凸部25は、係合部27と外側連結部11との径方向間に配置されている。 Further, an engaging portion 27 to which the clutch plate of the intermittent portion 15 is connected is provided on the outer periphery of the inner rotating member 7. Further, an outer connecting portion 11 is provided on the inner circumference of the side wall 17. The convex portion 25 is arranged between the engaging portion 27 and the outer connecting portion 11 in the radial direction.

このため、側壁17と凸部25とが当接したときに、係合部27と外側連結部11とへの影響を抑制することができ、断続部15の断続特性と外側回転部材13と回転部材9との連結とを保持することができる。 Therefore, when the side wall 17 and the convex portion 25 come into contact with each other, the influence on the engaging portion 27 and the outer connecting portion 11 can be suppressed, and the intermittent characteristics of the intermittent portion 15 and the rotation with the outer rotating member 13 can be suppressed. The connection with the member 9 can be maintained.

なお、本実施形態に係るクラッチ装置では、断続部を断続操作するアクチュエータが、電磁式アクチュエータとなっているが、これに限らず、油圧式アクチュエータや電動モータを起動源とするアクチュエータなどであってもよく、断続部を断続操作できるものであればどのようなアクチュエータであってもよい。 In the clutch device according to the present embodiment, the actuator for intermittently operating the intermittent portion is an electromagnetic actuator, but the actuator is not limited to this, and is not limited to this, such as a hydraulic actuator or an actuator using an electric motor as a starting source. Any actuator may be used as long as the intermittent portion can be operated intermittently.

1 クラッチ装置
3 回転軸
5 内側連結部
7 内側回転部材
9 回転部材
11 外側連結部
13 外側回転部材
15 断続部
17 側壁
19 位置決め部
21 押圧部材
23 付勢部材
25 凸部
27 係合部
1 Clutch device 3 Rotating shaft 5 Inner connecting part 7 Inner rotating member 9 Rotating member 11 Outer connecting part 13 Outer rotating member 15 Interruption part 17 Side wall 19 Positioning part 21 Pressing member 23 Encouragement member 25 Convex part 27 Engaging part

Claims (4)

回転軸の外周に内側連結部を介して前記回転軸と一体回転可能に連結される内側回転部材と、
前記内側回転部材の外周側に前記内側回転部材と相対回転可能に配置され、前記回転軸と相対回転可能に配置された回転部材に外側連結部を介して前記回転部材と一体回転可能に連結される外側回転部材と、
前記内側回転部材と前記外側回転部材との間に設けられ、前記内側回転部材と前記外側回転部材とにそれぞれ一体回転可能に連結された複数のクラッチ板を有する断続部と、
を備え、
前記外側回転部材は、前記内側回転部材と軸方向に対向して配置される側壁を有し、
前記内側連結部には、前記回転軸に対して前記内側回転部材を軸方向に位置決めし、前記側壁と前記内側回転部材とを軸方向に離間させる位置決め部が設けられていることを特徴とするクラッチ装置。
An inner rotating member that is rotatably connected to the outer periphery of the rotating shaft via an inner connecting portion,
It is rotatably arranged with the inner rotating member on the outer peripheral side of the inner rotating member, and is integrally rotatably connected to the rotating member arranged so as to be relative to the rotating shaft via an outer connecting portion. Outer rotating member and
An intermittent portion provided between the inner rotating member and the outer rotating member and having a plurality of clutch plates integrally rotatably connected to the inner rotating member and the outer rotating member, respectively.
Equipped with
The outer rotating member has a side wall arranged so as to face the inner rotating member in the axial direction.
The inner connecting portion is provided with a positioning portion for axially positioning the inner rotating member with respect to the rotating shaft and axially separating the side wall and the inner rotating member. Clutch device.
請求項1記載のクラッチ装置であって、
前記回転軸の外周には、軸方向に前記内側回転部材を挟んで前記側壁に対向され、前記断続部を押圧可能な押圧部材が軸方向移動可能に配置され、
前記内側回転部材と前記押圧部材との間には、前記内側回転部材を軸方向の前記側壁側に向けて付勢する付勢部材が配置され、
前記内側回転部材の前記側壁に向けた端部は、前記内側回転部材が前記回転軸に連結される前の状態で、前記側壁と当接されることを特徴とするクラッチ装置。
The clutch device according to claim 1.
On the outer periphery of the rotating shaft, a pressing member that faces the side wall with the inner rotating member sandwiched in the axial direction and is capable of pressing the intermittent portion is arranged so as to be movable in the axial direction.
Between the inner rotating member and the pressing member, an urging member for urging the inner rotating member toward the side wall side in the axial direction is arranged.
A clutch device characterized in that an end portion of the inner rotating member facing the side wall is brought into contact with the side wall before the inner rotating member is connected to the rotating shaft.
請求項1又は2記載のクラッチ装置であって、
前記内側回転部材の端部には、前記側壁に向けて突出する凸部が設けられていることを特徴とするクラッチ装置。
The clutch device according to claim 1 or 2.
A clutch device characterized in that a convex portion projecting toward the side wall is provided at an end portion of the inner rotating member.
請求項3記載のクラッチ装置であって、
前記内側回転部材の外周には、前記断続部のクラッチ板が連結される係合部が設けられ、
前記側壁の内周には、前記外側連結部が設けられ、
前記凸部は、前記係合部と前記外側連結部との径方向間に配置されていることを特徴とするクラッチ装置。
The clutch device according to claim 3.
An engaging portion to which the clutch plate of the intermittent portion is connected is provided on the outer periphery of the inner rotating member.
The outer connecting portion is provided on the inner circumference of the side wall.
The clutch device is characterized in that the convex portion is arranged between the engaging portion and the outer connecting portion in the radial direction.
JP2020195157A 2020-11-25 2020-11-25 Clutch device Pending JP2022083685A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2020195157A JP2022083685A (en) 2020-11-25 2020-11-25 Clutch device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2020195157A JP2022083685A (en) 2020-11-25 2020-11-25 Clutch device

Publications (1)

Publication Number Publication Date
JP2022083685A true JP2022083685A (en) 2022-06-06

Family

ID=81855369

Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
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