JP2008095734A - Rotation transmitting device - Google Patents

Rotation transmitting device Download PDF

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Publication number
JP2008095734A
JP2008095734A JP2006275353A JP2006275353A JP2008095734A JP 2008095734 A JP2008095734 A JP 2008095734A JP 2006275353 A JP2006275353 A JP 2006275353A JP 2006275353 A JP2006275353 A JP 2006275353A JP 2008095734 A JP2008095734 A JP 2008095734A
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Japan
Prior art keywords
cage
positioning groove
way clutch
armature
rotor
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JP2006275353A
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Japanese (ja)
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Koji Sato
光司 佐藤
Satoru Yamagata
哲 山形
Masako Ashimori
雅子 芦森
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NTN Corp
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NTN Corp
NTN Toyo Bearing Co Ltd
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Priority to JP2006275353A priority Critical patent/JP2008095734A/en
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Abstract

<P>PROBLEM TO BE SOLVED: To reduce the number of parts and shorten an axial length in a rotation transmission device wherein a two-way clutch is assembled between an outer ring and a second shaft assembled at inside of the outer ring and engagement and disengagement of the two-way clutch is controlled by an electromagnetic clutch. <P>SOLUTION: The two-way clutch 10 is assembled between the outer ring 2 and the second shaft 5 assembled at inside of the outer ring 2 and the electromagnetic clutch 30 is provided together with the two-way clutch 10 to control engagement and disengagement of the two-way clutch 10. The two-way clutch 30 is a roller clutch having a structure in which a roller 13 is assembled between a cylinder surface 11 formed on an outer peripheral of a large diameter part 8 and a plurality of cam surfaces 12 formed at an inner peripheral of the outer ring 2 and the roller 13 is held by a retainer 14. A positioning groove 17 is formed at an inner peripheral of an opening end part of the outer ring 2, a protruding part 19 is formed at an outer peripheral of the retainer 14, the retainer 14 is axially positioned by rotatably fitting the protruding part 19 to the positioning groove 17 and thus the number of parts is reduced and the axial length of the rotation transmission device is shortened. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

この発明は、動力の伝達経路上において、動力の伝達と遮断の切換えに用いられる回転伝達装置に関するものである。   The present invention relates to a rotation transmission device used for switching between power transmission and cutoff on a power transmission path.

FRベースの4輪駆動車において、補助駆動輪としての前輪に駆動力の伝達と遮断とを行う回転伝達装置として、例えば、特許文献1に記載されたように、外輪とその内側に組込まれた内方部材間に2方向クラッチを組込み、その2方向クラッチに併設した電磁クラッチによって2方向クラッチの係合および係合解除を制御し、上記2方向クラッチの係合により外輪と内方部材を結合して、外輪と内方部材の相互間でトルクの伝達を行うようにしたものが従来から知られている。   In an FR-based four-wheel drive vehicle, as a rotation transmission device that transmits and blocks driving force to a front wheel as an auxiliary drive wheel, for example, as described in Patent Document 1, it is incorporated in an outer ring and the inside thereof. A two-way clutch is incorporated between the inner members, and the engagement and disengagement of the two-way clutch are controlled by an electromagnetic clutch attached to the two-way clutch, and the outer ring and the inner member are coupled by the engagement of the two-way clutch. In the related art, torque transmission is performed between the outer ring and the inner member.

ここで、2方向クラッチは、外輪の内周と内方部材の外周の一方に円筒面を形成し、他方に上記円筒面との間で周方向の両端が狭小のくさび形空間を形成するカム面を設け、そのカム面と円筒面との間にローラを組込み、そのローラを保持する保持器とカム面が形成された部材の相対回転によりローラを円筒面およびカム面に係合させるようにしている。また、カム面を有する部材と保持器との間にスイッチばねを組込み、そのスイッチばねにより、ローラが円筒面およびカム面に対して係合解除される中立位置に保持器を弾性保持している。   Here, the two-way clutch is a cam in which a cylindrical surface is formed on one of the inner periphery of the outer ring and the outer periphery of the inner member, and the other end in the circumferential direction forms a narrow wedge-shaped space between the other and the cylindrical surface. A roller is installed between the cam surface and the cylindrical surface, and the roller is engaged with the cylindrical surface and the cam surface by relative rotation of the cage that holds the roller and the member on which the cam surface is formed. ing. Further, a switch spring is incorporated between the member having the cam surface and the cage, and the cage is elastically held by the switch spring in a neutral position where the roller is disengaged from the cylindrical surface and the cam surface. .

一方、電磁クラッチは、保持器に回り止めされ、かつ軸方向に移動自在に支持されたアーマチュアに円筒面が形成された部材に回り止めされたロータを対向し、そのロータに形成されたスリット内に永久磁石を組込み、その永久磁石の磁気吸引力によりロータにアーマチュアを吸着し、そのアーマチュアとカム面が形成された部材の相対回転によりローラを円筒面およびカム面に係合させて、外輪と内方部材の相互間で回転トルクを伝達するようにしている。   On the other hand, an electromagnetic clutch is opposed to a rotor that is prevented from being rotated by a cage and is supported by a member having a cylindrical surface on an armature that is supported so as to be movable in the axial direction, and in a slit formed in the rotor. A permanent magnet is incorporated into the rotor, the armature is attracted to the rotor by the magnetic attractive force of the permanent magnet, and the roller is engaged with the cylindrical surface and the cam surface by the relative rotation of the member on which the armature and the cam surface are formed. A rotational torque is transmitted between the inner members.

また、上記ロータに電磁石を対向し、その電磁石に対する通電により、永久磁石により発生する磁束を打ち消す磁束を発生させてアーマチュアの吸着を解除し、2方向クラッチを係合解除させて、カム面を有する部材をフリー回転させるようにしている。   In addition, an electromagnet is opposed to the rotor, and energization of the electromagnet generates a magnetic flux that cancels the magnetic flux generated by the permanent magnet to release the armature and release the two-way clutch to have a cam surface. The member is rotated freely.

特開平11−336799号公報JP 11-336799 A

ところで、上記特許文献1に記載された回転伝達装置においては、カム面が形成された部位の軸方向両側に一対の円筒面を形成し、各円筒面に円形プレートを嵌合し、その一対の円形プレートを保持器の軸方向両端部に形成された段部に係合して保持器を軸方向に位置決めするようにしているため、回転伝達装置の軸方向長さが長くなると共に、部品点数が多いため、組立てに手間がかかるという不都合がある。   By the way, in the rotation transmission device described in Patent Document 1, a pair of cylindrical surfaces are formed on both sides in the axial direction of the portion where the cam surface is formed, and a circular plate is fitted to each cylindrical surface. Since the circular plate is engaged with the step portions formed at both ends of the cage in the axial direction so that the cage is positioned in the axial direction, the axial length of the rotation transmission device is increased and the number of parts is increased. Therefore, there is an inconvenience that assembling takes time.

この発明の課題は、外方部材とその内側に組込まれた内方部材との間に2方向クラッチを組込み、その2方向クラッチの係合および係合解除を電磁クラッチにより制御するようにした回転伝達装置において、部品点数を低減して組立ての容易化を図ることである。   An object of the present invention is to provide a rotation in which a two-way clutch is incorporated between an outer member and an inner member incorporated therein, and the engagement and release of the two-way clutch are controlled by an electromagnetic clutch. In the transmission device, the number of parts is reduced to facilitate assembly.

上記の課題を解決するため、第1の発明においては、外方部材とその内側に組込まれた内方部材との間に、外方部材と内方部材とを結合および結合解除する2方向クラッチを組込み、その2方向クラッチの係合および係合解除を制御する電磁クラッチを2方向クラッチに併設し、前記2方向クラッチが、外方部材の内周とその内側に組込まれた内方部材の外周の一方に円筒面を形成し、他方にその円筒面との間で周方向の両端が狭小のくさび形空間を形成する複数のカム面を設け、各カム面と円筒面間に組込まれたローラを前記外方部材と内方部材間に組込まれた保持器で保持した構成とされ、前記カム面が形成された部材と保持器の相互間にローラが円筒面およびカム面に対して係合解除される中立位置に保持器を弾性保持するスイッチばねを設けた回転伝達装置において、前記カム面が形成された部材の前記保持器に対する対向面に周方向に延びる位置決め溝を形成し、保持器にはその位置決め溝と対向する位置に、その位置決め溝に対する周面がテーパ形状とされた突部を設け、その突部を前記位置決め溝に回転自在に嵌合して保持器を軸方向に位置決めした構成を採用したのである。   In order to solve the above-mentioned problem, in the first invention, a two-way clutch for coupling and releasing the outer member and the inner member between the outer member and the inner member incorporated inside the outer member. And an electromagnetic clutch for controlling the engagement and disengagement of the two-way clutch is provided in the two-way clutch, and the two-way clutch includes an inner circumference of the outer member and an inner member incorporated inside the outer member. A cylindrical surface is formed on one of the outer circumferences, and a plurality of cam surfaces are formed on the other side to form a wedge-shaped space in which both ends in the circumferential direction are narrow, and each cam surface is assembled between the cylindrical surfaces. The roller is held by a cage assembled between the outer member and the inner member, and the roller is engaged with the cylindrical surface and the cam surface between the member having the cam surface and the cage. Switch that elastically holds the cage in the neutral position to be released A positioning groove extending in a circumferential direction is formed on a surface of the member on which the cam surface is formed facing the retainer, and the positioning groove is disposed at a position facing the positioning groove on the retainer. A configuration is adopted in which a protrusion having a tapered peripheral surface is provided, the protrusion is rotatably fitted in the positioning groove, and the cage is positioned in the axial direction.

また、第2の発明においては、外方部材とその内側に組込まれた内方部材との間に、外方部材と内方部材とを結合および結合解除する2方向クラッチを組込み、その2方向クラッチの係合および係合解除を制御する電磁クラッチを2方向クラッチに併設し、前記2方向クラッチが、外方部材の内周とその内側に組込まれた内方部材の外周の一方に円筒面を形成し、他方にその円筒面との間で周方向の両端が狭小のくさび形空間を形成する複数のカム面を設け、各カム面と円筒面間に組込まれたローラを前記外方部材と内方部材間に組込まれた保持器で保持した構成とされ、前記カム面が形成された部材と保持器の相互間にローラが円筒面およびカム面に対して係合解除される中立位置に保持器を弾性保持するスイッチばねを設けた回転伝達装置において、前記カム面が形成された部材の前記保持器に対する対向面に、径方向に弾性変形可能な止め輪が係合可能な周方向に延びる位置決め溝を形成し、保持器にはその位置決め溝と径方向で対向する位置に環状溝を形成し、その環状溝と位置決め溝の一方を止め輪を形成する線材の外径より大きくし、他方を線材の外径より小さくし、その環状溝と位置決め溝に跨がるよう止め輪を組込んで保持器を軸方向に位置決めした構成を採用したのである。   In the second invention, a two-way clutch for coupling and releasing the outer member and the inner member is incorporated between the outer member and the inner member built in the outer member. An electromagnetic clutch for controlling engagement and disengagement of the clutch is provided in the two-way clutch, and the two-way clutch has a cylindrical surface on one of the inner periphery of the outer member and the outer periphery of the inner member incorporated inside the outer member. And a plurality of cam surfaces that form a wedge-shaped space with narrow ends in the circumferential direction between the cylindrical surface and a roller incorporated between each cam surface and the cylindrical surface. And a neutral position where the roller is disengaged from the cylindrical surface and the cam surface between the member on which the cam surface is formed and the cage. Rotation transmission device provided with a switch spring that elastically holds the cage A positioning groove extending in a circumferential direction in which a retaining ring elastically deformable in a radial direction can be engaged is formed on a surface of the member on which the cam surface is formed facing the cage, and the positioning groove is formed in the cage. An annular groove is formed at a position opposed to the radial direction, and one of the annular groove and the positioning groove is made larger than the outer diameter of the wire forming the retaining ring, and the other is made smaller than the outer diameter of the wire, A structure in which a retaining ring was incorporated so as to straddle the positioning groove and the cage was positioned in the axial direction was adopted.

ここで、2方向クラッチの係合および係合解除を制御する電磁クラッチは、保持器に回り止めされ、かつ軸方向に移動自在に支持されたアーマチュアと、前記円筒面を有する部材に回り止めされてそのアーマチュアと軸方向で対向するロータと、そのロータから離反する方向にアーマチュアを押圧する弾性部材と、前記ロータに形成されたスリット内に組込まれ、前記弾性部材の弾性に抗してロータにアーマチュアを吸着させる永久磁石と、前記ロータと軸方向で対向し、通電によって永久磁石から発生する磁束を打ち消す方向の磁束を発生させる電磁石から成るものであってもよく、あるいは、上記永久磁石を省略し、電磁石に対する通電によってロータにアーマチュアを吸着させるようにしたものであってもよい。   Here, the electromagnetic clutch for controlling the engagement and disengagement of the two-way clutch is prevented by the member having the cylindrical surface and the armature supported by the cage and movably in the axial direction. A rotor that is axially opposed to the armature, an elastic member that presses the armature in a direction away from the rotor, and a slit formed in the rotor, and is against the elasticity of the elastic member. It may be composed of a permanent magnet that attracts the armature and an electromagnet that faces the rotor in the axial direction and generates a magnetic flux in a direction that cancels out the magnetic flux generated from the permanent magnet when energized, or the permanent magnet is omitted. However, the armature may be attracted to the rotor by energizing the electromagnet.

第1の発明のように、カム面が形成された部材の前記保持器に対する対向面に周方向に延びる位置決め溝を形成し、保持器に形成された突部を前記位置決め溝に回転自在に嵌合して保持器を軸方向に位置決めすることにより、特許文献1に記載された2枚の円形プレートを不要とすることができると共に、その円形プレートの組込みスペースを確保する必要がなくなり、回転伝達装置の軸方向長さのコンパクト化を図ることができる。   As in the first aspect of the invention, a positioning groove extending in the circumferential direction is formed on the surface of the member on which the cam surface is formed facing the retainer, and the protrusion formed on the retainer is rotatably fitted in the positioning groove. In addition, by positioning the cage in the axial direction, the two circular plates described in Patent Document 1 can be made unnecessary, and it is not necessary to secure a space for installing the circular plates, so that rotation transmission can be achieved. The axial length of the apparatus can be reduced.

また、2枚の円形プレートを不要とすることができるため、部品点数を低減することができると共に、突部の位置決め溝と対向する周面はテーパ形状であるため、カム面を有する部材に対して保持器をスムーズに嵌合させることができ、その嵌合によって突部が位置決め溝内に嵌り込むため、組立ても容易に行うことができる。   In addition, since two circular plates can be eliminated, the number of parts can be reduced, and the peripheral surface facing the positioning groove of the protrusion is tapered, so that the member having a cam surface can be used. Thus, the cage can be fitted smoothly, and the protrusion fits into the positioning groove by the fitting, so that the assembly can be easily performed.

第2の発明のように、前記カム面が形成された部材の前記保持器に対する対向面に位置決め溝を形成し、保持器にはその位置決め溝と径方向で対向する位置に環状溝を設け、その環状溝と位置決め溝に跨がるよう止め輪を組込んで保持器を軸方向に位置決めしたことにより、上記第1の発明と同様に、特許文献1に記載された2枚の円形プレートを不要とすることができると共に、その円形プレートの組込みスペースを確保する必要がなくなり、回転伝達装置の軸方向長さのコンパクト化を図ることができる。   As in the second invention, a positioning groove is formed on the surface of the member on which the cam surface is formed facing the retainer, and the retainer is provided with an annular groove at a position facing the positioning groove in the radial direction. By incorporating a retaining ring so as to straddle the annular groove and the positioning groove and positioning the cage in the axial direction, the two circular plates described in Patent Document 1 can be obtained in the same manner as in the first invention. In addition to being unnecessary, it is not necessary to secure an installation space for the circular plate, and the axial length of the rotation transmission device can be made compact.

また、位置決め溝と環状溝の一方の溝深さを止め輪を形成する線材の外径より大きくし、他方の溝深さを線材の外径より小さくすることにより、溝深さの深い溝内に止め輪を収容する状態で、カム面を有する部材に保持器を容易に嵌合することができ、その止め輪が位置決め溝と対向する位置まで保持器が嵌合されると、止め輪は自己の復元弾性によって位置決め溝と環状溝に跨る組付けとされるため、組立ても容易に行うことができる。   In addition, by making one groove depth of the positioning groove and the annular groove larger than the outer diameter of the wire forming the retaining ring and making the other groove depth smaller than the outer diameter of the wire, In a state where the retaining ring is accommodated in the cage, the cage can be easily fitted to the member having the cam surface, and when the retaining ring is fitted to the position where the retaining ring faces the positioning groove, Since it is assembled across the positioning groove and the annular groove by its own restoring elasticity, it can be easily assembled.

以下、この発明の実施の形態を図面に基いて説明する。図1に示すように、ハウジング1の内部には外方部材としての外輪2が組込まれ、その外輪2はハウジング1の端部内に組込まれた軸受3によって回転自在に支持されている。   Hereinafter, embodiments of the present invention will be described with reference to the drawings. As shown in FIG. 1, an outer ring 2 as an outer member is incorporated in the housing 1, and the outer ring 2 is rotatably supported by a bearing 3 incorporated in an end portion of the housing 1.

外輪2は、ハウジング1の開口端側に閉塞端を有し、その閉塞端に第1軸4が設けられている。また、ハウジング1内には、内方部材としての第2軸5の端部が挿入されている。   The outer ring 2 has a closed end on the opening end side of the housing 1, and a first shaft 4 is provided at the closed end. Further, the end of the second shaft 5 as an inner member is inserted into the housing 1.

第2軸5は、ハウジング1の端板1aを貫通し、その貫通部に組込まれた軸受6によって回転自在に支持されて、外輪2と同軸上の配置とされている。また、第2軸5の上記外輪2内に位置する軸端部は外輪2の閉塞端部内に組込まれた軸受7によって、外輪2に対し相対的に回転自在に支持されている。   The second shaft 5 passes through the end plate 1 a of the housing 1, is rotatably supported by a bearing 6 incorporated in the penetrating portion, and is arranged coaxially with the outer ring 2. A shaft end portion of the second shaft 5 located in the outer ring 2 is supported rotatably relative to the outer ring 2 by a bearing 7 incorporated in the closed end portion of the outer ring 2.

第2軸5の外輪2内に位置する端部には大径部8が設けられ、その大径部8と外輪2間に2方向クラッチ10が組込まれている。   A large-diameter portion 8 is provided at an end portion of the second shaft 5 located in the outer ring 2, and a two-way clutch 10 is incorporated between the large-diameter portion 8 and the outer ring 2.

図2および図6(I)に示すように、2方向クラッチ10は、大径部8の外周に円筒面11を形成し、外輪2の内周にはその円筒面11との間に周方向の両端が狭小のくさび形空間を形成する複数のカム面12を周方向に設け、各カム面12と円筒面11間にローラ13を組込み、そのローラ13を外輪2と大径部8間に組込まれた保持器14のポケット15内に収容保持している。   As shown in FIG. 2 and FIG. 6 (I), the two-way clutch 10 forms a cylindrical surface 11 on the outer periphery of the large-diameter portion 8, and a circumferential direction between the outer periphery 2 and the cylindrical surface 11. A plurality of cam surfaces 12 that form a wedge-shaped space with narrow ends are provided in the circumferential direction, and rollers 13 are assembled between the cam surfaces 12 and the cylindrical surface 11, and the rollers 13 are disposed between the outer ring 2 and the large-diameter portion 8. It is accommodated and held in the pocket 15 of the cage 14 incorporated.

図3および図4に示すように、外輪2の開口側端部の内周にはカム面12の内接円径より大径の嵌合孔16が形成され、その嵌合孔16の閉塞端部の内周に周方向に延びる位置決め溝17が設けられている。一方、保持器14の端部には厚肉部18が形成され、その厚肉部18が上記嵌合孔16内に回転自在に嵌合されている。   As shown in FIGS. 3 and 4, a fitting hole 16 having a diameter larger than the inscribed circle diameter of the cam surface 12 is formed on the inner periphery of the opening side end portion of the outer ring 2, and the closed end of the fitting hole 16 is formed. A positioning groove 17 extending in the circumferential direction is provided on the inner periphery of the portion. On the other hand, a thick portion 18 is formed at the end of the cage 14, and the thick portion 18 is rotatably fitted in the fitting hole 16.

厚肉部18の外周には、位置決め溝17と対向する位置に突部19が形成され、その突部19が位置決め溝17内に回転自在に嵌合され、その嵌合によって保持器14は軸方向に位置決めされている。   On the outer periphery of the thick wall portion 18, a protrusion 19 is formed at a position facing the positioning groove 17, and the protrusion 19 is rotatably fitted in the positioning groove 17. Positioned in the direction.

ここで、突部19は周方向に連続する環状のものであってもよく、あるいは、周方向に不連続の突起状のものであってもよい。この突部19の外周は、嵌合孔16に対する厚肉部18の嵌合の容易化を図るため、テーパ面20とされている。   Here, the protrusion 19 may be an annular one that is continuous in the circumferential direction, or may be a protrusion that is discontinuous in the circumferential direction. The outer periphery of the protrusion 19 is a tapered surface 20 in order to facilitate the fitting of the thick portion 18 to the fitting hole 16.

図3および図5に示すように、厚肉部18の内径面には環状溝21が形成され、その環状溝21内にスイッチばね22が組込まれている。スイッチばね22はC形をなし、その両端から外向きに形成された一対の押圧片22aは厚肉部18の端面に形成された切欠部23から外輪2の開口端面に形成された切欠き24内に挿入されて、その切欠部23および切欠き24の周方向で対向する側面を相反する方向に押圧し、その押圧によって、ローラ13が円筒面11およびカム面12に対して係合解除された中立位置に保持器14が弾性保持されている。   As shown in FIGS. 3 and 5, an annular groove 21 is formed on the inner diameter surface of the thick portion 18, and a switch spring 22 is incorporated in the annular groove 21. The switch spring 22 has a C shape, and a pair of pressing pieces 22a formed outward from both ends thereof is formed with a notch 24 formed on the opening end surface of the outer ring 2 from a notch portion 23 formed on the end surface of the thick portion 18. The roller 13 is pushed into the opposite direction in the circumferential direction of the notch 23 and the notch 24 in opposite directions, and the roller 13 is disengaged from the cylindrical surface 11 and the cam surface 12 by the pressing. The cage 14 is elastically held at the neutral position.

図1に示すように、第2軸5の外周面上には、上記2方向クラッチ10に併設して、その2方向クラッチ10の係合および係合解除を制御する電磁クラッチ30が設けられている。   As shown in FIG. 1, on the outer peripheral surface of the second shaft 5, an electromagnetic clutch 30 that controls the engagement and disengagement of the two-way clutch 10 is provided in addition to the two-way clutch 10. Yes.

電磁クラッチ30は、保持器14の端面に対向配置されたアーマチュア31と、そのアーマチュア31と軸方向で対向するロータ32と、そのロータ32と軸方向で対向する電磁石33とを有している。   The electromagnetic clutch 30 includes an armature 31 disposed to face the end face of the cage 14, a rotor 32 that faces the armature 31 in the axial direction, and an electromagnet 33 that faces the rotor 32 in the axial direction.

アーマチュア31には係合孔34が形成され、その係合孔34に保持器14の開口端部に形成された係合片35が係合し、その係合によってアーマチュア31は保持器14に対して回り止めされ、かつ軸方向に移動自在とされている。   An engagement hole 34 is formed in the armature 31, and an engagement piece 35 formed at the opening end portion of the retainer 14 is engaged with the engagement hole 34, and the armature 31 is engaged with the retainer 14 by the engagement. It is prevented from rotating and is movable in the axial direction.

ロータ32は、第2軸5の外周に嵌合され、その嵌合面に形成された一対の係合溝36に跨って取付けた止め輪37によってロータ32は軸方向に位置決めされている。このロータ32には複数の円弧状のスリット38が周方向に間隔をおいて形成され、各スリット38内に永久磁石39が組込まれている。   The rotor 32 is fitted to the outer periphery of the second shaft 5, and the rotor 32 is positioned in the axial direction by a retaining ring 37 that is mounted across a pair of engaging grooves 36 formed on the fitting surface. A plurality of arc-shaped slits 38 are formed in the rotor 32 at intervals in the circumferential direction, and a permanent magnet 39 is incorporated in each slit 38.

また、アーマチュア31とロータ32の対向面間には弾性部材40が組込まれ、その弾性部材40はロータ32から離反する方向にアーマチュア31を付勢し、その弾性力は永久磁石39の磁気吸引力より小さくなっている。   An elastic member 40 is incorporated between the facing surfaces of the armature 31 and the rotor 32, and the elastic member 40 urges the armature 31 in a direction away from the rotor 32, and the elastic force is a magnetic attraction force of the permanent magnet 39. It is getting smaller.

電磁石33は、電磁コイル33aと、その電磁コイル33aを支持するコア33bとからなり、上記電磁コイル33aに通電すると、コア33b、ロータ32およびアーマチュア31に磁束が流れ、その磁束の方向は永久磁石39によって発生する磁束と逆向きとされて、永久磁石39からアーマチュア31に負荷される吸引力を弾性部材40の弾性力より低下させるようになっている。   The electromagnet 33 includes an electromagnetic coil 33a and a core 33b that supports the electromagnetic coil 33a. When the electromagnetic coil 33a is energized, a magnetic flux flows through the core 33b, the rotor 32, and the armature 31, and the direction of the magnetic flux is a permanent magnet. The attractive force applied to the armature 31 from the permanent magnet 39 is made lower than the elastic force of the elastic member 40 in the direction opposite to the magnetic flux generated by the magnetic member 39.

実施の形態で示す回転伝達装置は上記の構造からなり、図1は電磁石33の電磁コイル33aに対する通電の遮断状態を示し、アーマチュア31は永久磁石39から負荷される磁気吸引力によってロータ32に吸着され、上記アーマチュア31を介して保持器14が第2軸5に結合された状態にある。   The rotation transmission device shown in the embodiment has the above-described structure. FIG. 1 shows a state where the electromagnet 33 is de-energized with respect to the electromagnetic coil 33a. The armature 31 is attracted to the rotor 32 by the magnetic attractive force loaded from the permanent magnet 39. The retainer 14 is coupled to the second shaft 5 through the armature 31.

保持器14が第2軸5に結合された状態において、外輪2が回転すると、保持器14に対して外輪2が相対回転し、図6 (II)に示すように、ローラ13が円筒面11およびカム面12に係合し、外輪2の回転はローラ13を介して第2軸5に伝達され、第2軸5が外輪2と同方向に回転する。   When the outer ring 2 rotates in a state where the retainer 14 is coupled to the second shaft 5, the outer ring 2 rotates relative to the retainer 14, and as shown in FIG. The rotation of the outer ring 2 is transmitted to the second shaft 5 via the roller 13, and the second shaft 5 rotates in the same direction as the outer ring 2.

また、保持器14に対して外輪2が相対回転すると、スイッチばね22が弾性変形する。   Further, when the outer ring 2 rotates relative to the cage 14, the switch spring 22 is elastically deformed.

外輪2から第2軸5への回転伝達状態において、電磁石33の電磁コイル33aに通電すると、コア33b、ロータ32およびアーマチュア31間に磁束が流れる。このとき、電磁コイル33aによって発生される磁束の流れは永久磁石39によって発生する磁束に対して逆向きであるため、永久磁石39からアーマチュア31に負荷される吸引力が弱められ、弾性部材40の押圧力により、アーマチュア31がロータ32から離反する。   When the electromagnetic coil 33a of the electromagnet 33 is energized in the state of rotation transmission from the outer ring 2 to the second shaft 5, magnetic flux flows between the core 33b, the rotor 32, and the armature 31. At this time, since the flow of magnetic flux generated by the electromagnetic coil 33a is opposite to the magnetic flux generated by the permanent magnet 39, the attractive force applied to the armature 31 from the permanent magnet 39 is weakened, and the elastic member 40 The armature 31 is separated from the rotor 32 by the pressing force.

また、アーマチュア31がロータ32から離反すると、スイッチばね22の復元弾性によって保持器14が回転され、図6 (I)に示すように、ローラ13は円筒面11およびカム面12に対して係合解除される中立位置に戻り、外輪2から第2軸5への回転伝達が遮断され、外輪2がフリー回転する。   When the armature 31 is separated from the rotor 32, the cage 14 is rotated by the restoring elasticity of the switch spring 22, and the roller 13 is engaged with the cylindrical surface 11 and the cam surface 12 as shown in FIG. Returning to the neutral position to be released, rotation transmission from the outer ring 2 to the second shaft 5 is interrupted, and the outer ring 2 rotates freely.

実施の形態で示す回転伝達装置のように、外輪2の開口端部に嵌合孔16を形成し、その嵌合孔16の内周に位置決め溝17を設け、保持器14の厚肉部18の外周に形成された突部19を上記位置決め溝17に回転自在に嵌合することによって保持器14を軸方向に位置決めすることができる。このため、特許文献1に記載された2枚の円形プレートを不要とすることができると共に、その円形プレートの組込みスペースを確保する必要がなくなるため、回転伝達装置の軸方向長さのコンパクト化を図ることができる。   As in the rotation transmission device shown in the embodiment, the fitting hole 16 is formed at the opening end of the outer ring 2, the positioning groove 17 is provided on the inner periphery of the fitting hole 16, and the thick portion 18 of the cage 14. The retainer 14 can be positioned in the axial direction by rotatably fitting the protrusion 19 formed on the outer periphery of the protrusion 19 into the positioning groove 17. This eliminates the need for the two circular plates described in Patent Document 1 and eliminates the need to secure an installation space for the circular plates, thereby reducing the axial length of the rotation transmission device. Can be planned.

また、2枚の円形プレートを不要とすることができるため、部品点数を低減することができると共に、突部19の位置決め溝17と対向する周面はテーパ面20であるため、外輪2内に保持器14をスムーズに嵌合させることができ、その嵌合によって突部19が位置決め溝17内に嵌り込むため、組立ても容易に行うことができる。   In addition, since two circular plates can be eliminated, the number of parts can be reduced, and the peripheral surface of the protrusion 19 that faces the positioning groove 17 is a tapered surface 20. The retainer 14 can be smoothly fitted, and the protrusion 19 fits into the positioning groove 17 by the fitting. Therefore, the cage 14 can be easily assembled.

図7および図8は、保持器14を軸方向に位置決めする位置決め手段の他の例を示す。この例においては、外輪2に形成された嵌合孔16の内周に周方向に延びる位置決め溝26を設け、保持器14に形成された厚肉部18の外周には上記位置決め溝26と径方向で対向する位置に環状溝27を設け、その環状溝27と位置決め溝26に跨がるようにして径方向に弾性変形可能な止め輪28を取付けて、保持器14を軸方向に位置決めしている。   7 and 8 show another example of positioning means for positioning the retainer 14 in the axial direction. In this example, a positioning groove 26 extending in the circumferential direction is provided on the inner periphery of the fitting hole 16 formed in the outer ring 2, and the positioning groove 26 and the diameter are formed on the outer periphery of the thick portion 18 formed in the cage 14. An annular groove 27 is provided at a position opposite to each other in the direction, and a retaining ring 28 that is elastically deformable in a radial direction so as to straddle the annular groove 27 and the positioning groove 26 is attached, and the cage 14 is positioned in the axial direction. ing.

ここで、位置決め溝26の溝深さは止め輪28を形成する線材の外径より小さく、一方、環状溝27の溝深さは、止め輪28を形成する線材の外径より大きくなっている。このため、上記環状溝27内に止め輪28を嵌合して縮径し、その縮径状態で外輪2内に保持器14を挿入し、位置決め溝26に止め輪28が対向する位置まで保持器14を挿入することにより、止め輪28は自己の弾性で拡径して位置決め溝26と環状溝27に跨る取付けとされる。このため、容易に組立てることができる。   Here, the groove depth of the positioning groove 26 is smaller than the outer diameter of the wire forming the retaining ring 28, while the groove depth of the annular groove 27 is larger than the outer diameter of the wire forming the retaining ring 28. . For this reason, the retaining ring 28 is fitted into the annular groove 27 to reduce the diameter, and the retainer 14 is inserted into the outer ring 2 in the reduced diameter state, and the retaining ring 28 is held to the position where the retaining ring 28 faces the positioning groove 26. By inserting the device 14, the retaining ring 28 is expanded by its own elasticity and is mounted across the positioning groove 26 and the annular groove 27. For this reason, it can be assembled easily.

図7および図8に示す位置決め手段においても、位置決め溝26と環状溝27に跨る止め輪28の取付けによって保持器14を軸方向に位置決めする構成であるため、軸方向長さのコンパクトな、組立ての容易な回転伝達装置を得ることができる。   The positioning means shown in FIGS. 7 and 8 also has a configuration in which the retainer 14 is positioned in the axial direction by attaching a retaining ring 28 straddling the positioning groove 26 and the annular groove 27, so that the assembly has a compact axial length. An easy rotation transmission device can be obtained.

なお、図1に示す実施の形態では、永久磁石39によってロータ32にアーマチュア31を吸着し、電磁コイル33aに対する通電によってその吸着を解除させるようにした回転伝達装置を示したが、上記永久磁石39を省略し、電磁コイル33aに対する通電によりロータ32にアーマチュア31を吸着し、通電の遮断によって吸着を解除させるようにした回転伝達装置であってもよい。   In the embodiment shown in FIG. 1, the rotation transmission device is shown in which the armature 31 is attracted to the rotor 32 by the permanent magnet 39 and the attraction is released by energization of the electromagnetic coil 33 a. The rotation transmission device may be configured such that the armature 31 is attracted to the rotor 32 by energizing the electromagnetic coil 33a, and the attraction is released by cutting off the energization.

図9乃至図12はこの発明に係る回転伝達装置の他の実施の形態を示す。この実施の形態では、図1に示す実施の形態の永久磁石39を省略している。また、外輪2の内周に円筒面51を形成し、第2軸5に設けた大径部8の外周に上記円筒面51との間で周方向の両端が狭小のくさび形空間を形成する複数のカム面52を形成し、各カム面52と円筒面51間に保持器14に保持されたローラ13を組込んでいる。   9 to 12 show another embodiment of the rotation transmission device according to the present invention. In this embodiment, the permanent magnet 39 of the embodiment shown in FIG. 1 is omitted. In addition, a cylindrical surface 51 is formed on the inner periphery of the outer ring 2, and a wedge-shaped space whose both ends in the circumferential direction are narrow between the cylindrical surface 51 and the outer periphery of the large-diameter portion 8 provided on the second shaft 5. A plurality of cam surfaces 52 are formed, and the roller 13 held by the retainer 14 is incorporated between each cam surface 52 and the cylindrical surface 51.

さらに、電磁クラッチ30のロータ32を第2軸5に固定し、電磁コイル33aに対する通電により、ロータ32にアーマチュア31を吸着し、第2軸5と共に回転する大径部8と保持器14の相対回転によりローラ13を円筒面51およびカム面52に係合させるようにしている。   Further, the rotor 32 of the electromagnetic clutch 30 is fixed to the second shaft 5, and the armature 31 is attracted to the rotor 32 by energization to the electromagnetic coil 33 a, and the large diameter portion 8 that rotates together with the second shaft 5 and the cage 14 are relative to each other. The roller 13 is engaged with the cylindrical surface 51 and the cam surface 52 by rotation.

また、大径部8のアーマチュア31と対向する端部に保持器14の開口端部の内径と略同径のフランジ53を設け、そのフランジ53の外周に周方向に延びる位置決め溝54を形成し、上記保持器14の内周には上記位置決め溝54に対向する位置に突部55を設け、その突部55を位置決め溝54に回転自在に嵌合し、その嵌合によって軸方向に位置決めしている。   Further, a flange 53 having substantially the same diameter as the inner diameter of the opening end of the retainer 14 is provided at an end of the large diameter portion 8 facing the armature 31, and a positioning groove 54 extending in the circumferential direction is formed on the outer periphery of the flange 53. A protrusion 55 is provided on the inner periphery of the retainer 14 at a position facing the positioning groove 54, and the protrusion 55 is rotatably fitted in the positioning groove 54, and is positioned in the axial direction by the fitting. ing.

ここで、位置決め溝54に対する突部55の嵌合を容易とするため、突部55の外周にテーパ面56を形成している。なお、突部55は周方向に連続するものであってもよく、あるいは、周方向に不連続の突起状のものであってもよい。   Here, in order to facilitate the fitting of the protrusion 55 to the positioning groove 54, a tapered surface 56 is formed on the outer periphery of the protrusion 55. The protrusion 55 may be continuous in the circumferential direction, or may be a protrusion that is discontinuous in the circumferential direction.

他の構成は図1に示す回転伝達装置と同一であるため、同一の部品には同一の符号を付して説明を省略する。   Since the other configuration is the same as that of the rotation transmission device shown in FIG. 1, the same components are denoted by the same reference numerals and description thereof is omitted.

図9乃至図12の実施の形態においても、位置決め溝54に対する突部55の嵌合によって保持器14を軸方向に位置決めする構成であるため、軸方向長さのコンパクトな、組立ての容易な回転伝達装置を得ることができる。   9 to 12, the cage 14 is positioned in the axial direction by fitting the protrusion 55 to the positioning groove 54, so that the axial length is compact and easy to assemble. A transmission device can be obtained.

図13および図14は、外輪2の内周に円筒面51を形成し、大径部8の外周にカム面52を設け、第2軸5の外周にロータ32を固定した回転伝達装置において、保持器14の軸方向の位置決め手段の他の例を示す。   13 and 14 show a rotation transmission device in which a cylindrical surface 51 is formed on the inner periphery of the outer ring 2, a cam surface 52 is provided on the outer periphery of the large-diameter portion 8, and the rotor 32 is fixed on the outer periphery of the second shaft 5. The other example of the positioning means of the axial direction of the holder | retainer 14 is shown.

この例においては、大径部8に形成されたフランジ53の外周に周方向に延びる位置決め溝57を設け、保持器14の内周には上記位置決め溝57と径方向で対向する位置に環状溝58を設け、その環状溝58と位置決め溝57に跨がるようにして径方向に弾性変形可能な止め輪59を取付けて、保持器14を軸方向に位置決めしている。   In this example, a positioning groove 57 extending in the circumferential direction is provided on the outer periphery of the flange 53 formed in the large diameter portion 8, and an annular groove is provided on the inner periphery of the retainer 14 at a position facing the positioning groove 57 in the radial direction. 58, and a retaining ring 59 that is elastically deformable in the radial direction so as to straddle the annular groove 58 and the positioning groove 57 is attached to position the retainer 14 in the axial direction.

ここで、位置決め溝57の溝深さは止め輪59を形成する線材の外径より大きく、一方、環状溝58の溝深さは、止め輪59を形成する線材の外径より小さくなっている。このため、上記位置決め溝57内に止め輪59を嵌合して縮径し、その縮径状態でフランジ53を保持器14に挿入し、止め輪59が環状溝58と対向する位置までフランジ53を挿入することにより、止め輪59は自己の弾性で拡径して位置決め溝57と環状溝58に跨る取付けとされる。このため、容易に組立てることができる。   Here, the groove depth of the positioning groove 57 is larger than the outer diameter of the wire forming the retaining ring 59, while the groove depth of the annular groove 58 is smaller than the outer diameter of the wire forming the retaining ring 59. . For this reason, the retaining ring 59 is fitted into the positioning groove 57 to reduce the diameter, the flange 53 is inserted into the retainer 14 in the reduced diameter state, and the flange 53 is moved to a position where the retaining ring 59 faces the annular groove 58. By inserting the retaining ring 59, the retaining ring 59 expands in diameter by its own elasticity, and is mounted across the positioning groove 57 and the annular groove 58. For this reason, it can be assembled easily.

図13および図14に示す位置決め手段においても、位置決め溝57と環状溝58に跨る止め輪59の取付けによって保持器14を軸方向に位置決めする構成であるため、軸方向長さのコンパクトな、組立ての容易な回転伝達装置を得ることができる。   Also in the positioning means shown in FIGS. 13 and 14, since the retainer 14 is positioned in the axial direction by attaching the retaining ring 59 straddling the positioning groove 57 and the annular groove 58, the assembly is compact in the axial length. An easy rotation transmission device can be obtained.

この発明に係る回転伝達装置の実施の形態を示す縦断正面図Longitudinal front view showing an embodiment of a rotation transmission device according to the present invention 図1の一部を拡大して示す断面図Sectional drawing which expands and shows a part of FIG. 保持器の軸方向の位置決め部を拡大して示す断面図Sectional drawing which expands and shows the positioning part of the axial direction of a cage 外輪と保持器の一部を示す分解斜視図Exploded perspective view showing part of outer ring and cage 図1のV−V線に沿った断面図Sectional view along line VV in FIG. 図1のVI−VI線に沿った断面図Sectional view along line VI-VI in FIG. 保持器の軸方向位置決め手段の他の例を示す断面図Sectional drawing which shows the other example of the axial direction positioning means of a holder | retainer 図7の一部を拡大して示す断面図Sectional drawing which expands and shows a part of FIG. この発明に係る回転伝達装置の他の実施の形態を示す縦断正面図Longitudinal front view showing another embodiment of the rotation transmission device according to the present invention 図9の一部を拡大して示す断面図Sectional drawing which expands and shows a part of FIG. 図9に示す保持器の軸方向の位置決め部を拡大して示す断面図Sectional drawing which expands and shows the positioning part of the axial direction of the holder | retainer shown in FIG. 図9のXII−XII線に沿った断面図Sectional view along line XII-XII in FIG. 保持器の軸方向位置決め手段の他の例を示す断面図Sectional drawing which shows the other example of the axial direction positioning means of a holder | retainer 図13の一部を拡大して示す断面図Sectional drawing which expands and shows a part of FIG.

符号の説明Explanation of symbols

2 外輪(外方部材)
5 第2軸(内方部材)
10 2方向クラッチ
11 円筒面
12 カム面
13 ローラ
14 保持器
17 位置決め溝
19 突部
20 テーパ面
22 スイッチばね
26 位置決め溝
27 環状溝
28 止め輪
30 電磁クラッチ
31 アーマチュア
32 ロータ
33 電磁石
39 永久磁石
40 弾性部材
51 円筒面
52 カム面
54 位置決め溝
55 突部
56 テーパ面
57 位置決め溝
58 環状溝
59 止め輪
2 Outer ring (outer member)
5 Second shaft (inner member)
10 Two-way clutch 11 Cylindrical surface 12 Cam surface 13 Roller 14 Cage 17 Positioning groove 19 Projection 20 Tapered surface 22 Switch spring 26 Positioning groove 27 Annular groove 28 Retaining ring 30 Electromagnetic clutch 31 Armature 32 Rotor 33 Electromagnet 39 Permanent magnet 40 Elasticity Member 51 Cylindrical surface 52 Cam surface 54 Positioning groove 55 Projection 56 Tapered surface 57 Positioning groove 58 Annular groove 59 Retaining ring

Claims (4)

外方部材とその内側に組込まれた内方部材との間に、外方部材と内方部材とを結合および結合解除する2方向クラッチを組込み、その2方向クラッチの係合および係合解除を制御する電磁クラッチを2方向クラッチに併設し、前記2方向クラッチが、外方部材の内周とその内側に組込まれた内方部材の外周の一方に円筒面を形成し、他方にその円筒面との間で周方向の両端が狭小のくさび形空間を形成する複数のカム面を設け、各カム面と円筒面間に組込まれたローラを前記外方部材と内方部材間に組込まれた保持器で保持した構成とされ、前記カム面が形成された部材と保持器の相互間にローラが円筒面およびカム面に対して係合解除される中立位置に保持器を弾性保持するスイッチばねを設けた回転伝達装置において、
前記カム面が形成された部材の前記保持器に対する対向面に周方向に延びる位置決め溝を形成し、保持器にはその位置決め溝と対向する位置に、その位置決め溝に対する周面がテーパ形状とされた突部を設け、その突部を前記位置決め溝に回転自在に嵌合して保持器を軸方向に位置決めしたことを特徴とする回転伝達装置。
A two-way clutch for coupling and uncoupling the outer member and the inner member is incorporated between the outer member and the inner member incorporated therein, and the engagement and release of the two-way clutch are performed. The electromagnetic clutch to be controlled is provided in the two-way clutch, and the two-way clutch forms a cylindrical surface on one of the inner periphery of the outer member and the outer periphery of the inner member incorporated inside the outer member, and the cylindrical surface on the other. A plurality of cam surfaces that form a wedge-shaped space with narrow ends in the circumferential direction are provided between the outer member and the inner member. A switch spring which is configured to be held by a cage and elastically holds the cage in a neutral position where the roller is disengaged from the cylindrical surface and the cam surface between the member on which the cam surface is formed and the cage. In the rotation transmission device provided with
A positioning groove extending in the circumferential direction is formed on the surface of the member on which the cam surface is formed facing the cage, and the circumferential surface of the positioning groove is tapered at a position facing the positioning groove on the cage. A rotation transmission device characterized in that a protrusion is provided, the protrusion is rotatably fitted in the positioning groove, and the cage is positioned in the axial direction.
外方部材とその内側に組込まれた内方部材との間に、外方部材と内方部材とを結合および結合解除する2方向クラッチを組込み、その2方向クラッチの係合および係合解除を制御する電磁クラッチを2方向クラッチに併設し、前記2方向クラッチが、外方部材の内周とその内側に組込まれた内方部材の外周の一方に円筒面を形成し、他方にその円筒面との間で周方向の両端が狭小のくさび形空間を形成する複数のカム面を設け、各カム面と円筒面間に組込まれたローラを前記外方部材と内方部材間に組込まれた保持器で保持した構成とされ、前記カム面が形成された部材と保持器の相互間にローラが円筒面およびカム面に対して係合解除される中立位置に保持器を弾性保持するスイッチばねを設けた回転伝達装置において、
前記カム面が形成された部材の前記保持器に対する対向面に、径方向に弾性変形可能な止め輪が係合可能な周方向に延びる位置決め溝を形成し、保持器にはその位置決め溝と径方向で対向する位置に環状溝を形成し、その環状溝と位置決め溝の一方を止め輪を形成する線材の外径より大きくし、他方を線材の外径より小さくし、その環状溝と位置決め溝に跨がるよう止め輪を組込んで保持器を軸方向に位置決めしたことを特徴とする回転伝達装置。
A two-way clutch for coupling and uncoupling the outer member and the inner member is incorporated between the outer member and the inner member incorporated therein, and the engagement and release of the two-way clutch are performed. The electromagnetic clutch to be controlled is provided in the two-way clutch, and the two-way clutch forms a cylindrical surface on one of the inner periphery of the outer member and the outer periphery of the inner member incorporated inside the outer member, and the cylindrical surface on the other. A plurality of cam surfaces that form a wedge-shaped space with narrow ends in the circumferential direction are provided between the outer member and the inner member. A switch spring which is configured to be held by a cage and elastically holds the cage in a neutral position where the roller is disengaged from the cylindrical surface and the cam surface between the member on which the cam surface is formed and the cage. In the rotation transmission device provided with
A positioning groove extending in the circumferential direction in which a retaining ring elastically deformable in the radial direction can be engaged is formed on a surface of the member on which the cam surface is formed facing the cage, and the positioning groove and the diameter are formed in the cage. An annular groove is formed at a position facing in the direction, one of the annular groove and the positioning groove is made larger than the outer diameter of the wire forming the retaining ring, and the other is made smaller than the outer diameter of the wire, and the annular groove and the positioning groove A rotation transmission device characterized in that a retaining ring is incorporated so as to straddle and the cage is positioned in the axial direction.
前記電磁クラッチが、前記保持器に回り止めされ、かつ軸方向に移動自在に支持されたアーマチュアと、前記円筒面を有する部材に回り止めされてそのアーマチュアと軸方向で対向するロータと、そのロータから離反する方向にアーマチュアを押圧する弾性部材と、前記ロータに形成されたスリット内に組込まれ、前記弾性部材の弾性に抗してロータにアーマチュアを吸着させる永久磁石と、前記ロータと軸方向で対向し、通電によって永久磁石から発生する磁束を打ち消す方向の磁束を発生させる電磁石とから成る請求項1又は2に記載の回転伝達装置。   An armature in which the electromagnetic clutch is prevented from rotating by the cage and supported in an axially movable manner, a rotor that is prevented from rotating by a member having the cylindrical surface and faces the armature in the axial direction, and the rotor An elastic member that presses the armature in a direction away from the permanent magnet, a permanent magnet that is incorporated in a slit formed in the rotor and that adsorbs the armature against the elasticity of the elastic member, and the rotor and the axial direction The rotation transmission device according to claim 1, further comprising an electromagnet that opposes and generates a magnetic flux in a direction that cancels out the magnetic flux generated from the permanent magnet when energized. 前記電磁クラッチが、前記保持器に回り止めされ、かつ軸方向に移動自在に支持されたアーマチュアと、前記円筒面を有する部材に回り止めされてそのアーマチュアと軸方向で対向するロータと、そのロータと軸方向で対向し、通電によってロータにアーマチュアを吸着させる電磁石と、ロータから離反する方向にアーマチュアを押圧する弾性部材とから成る請求項1又は2に記載の回転伝達装置。   An armature in which the electromagnetic clutch is prevented from rotating by the cage and supported so as to be movable in the axial direction, a rotor that is prevented from rotating by a member having the cylindrical surface and faces the armature in the axial direction, and the rotor The rotation transmission device according to claim 1, further comprising: an electromagnet which is axially opposed to each other and attracts the armature to the rotor by energization; and an elastic member which presses the armature in a direction away from the rotor.
JP2006275353A 2006-10-06 2006-10-06 Rotation transmitting device Pending JP2008095734A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3124817A4 (en) * 2014-03-27 2017-04-12 NTN Corporation Rotation transmitting device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3124817A4 (en) * 2014-03-27 2017-04-12 NTN Corporation Rotation transmitting device
US10138954B2 (en) 2014-03-27 2018-11-27 Ntn Corporation Rotation transmission device

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