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WO2015189999A1 - Suspension arrière pour motocycle - Google Patents

Suspension arrière pour motocycle Download PDF

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Publication number
WO2015189999A1
WO2015189999A1 PCT/JP2014/065786 JP2014065786W WO2015189999A1 WO 2015189999 A1 WO2015189999 A1 WO 2015189999A1 JP 2014065786 W JP2014065786 W JP 2014065786W WO 2015189999 A1 WO2015189999 A1 WO 2015189999A1
Authority
WO
WIPO (PCT)
Prior art keywords
swing arm
movable part
rear suspension
connecting means
motorcycle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2014/065786
Other languages
English (en)
Japanese (ja)
Inventor
瀧井正明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ishikawa Tekko KK
Somic Ishikawa KK
Original Assignee
Ishikawa Tekko KK
Somic Ishikawa KK
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ishikawa Tekko KK, Somic Ishikawa KK filed Critical Ishikawa Tekko KK
Priority to CN201480080807.9A priority Critical patent/CN106573662A/zh
Priority to JP2016527602A priority patent/JP6427568B2/ja
Priority to PCT/JP2014/065786 priority patent/WO2015189999A1/fr
Publication of WO2015189999A1 publication Critical patent/WO2015189999A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K25/00—Axle suspensions
    • B62K25/04—Axle suspensions for mounting axles resiliently on cycle frame or fork
    • B62K25/12—Axle suspensions for mounting axles resiliently on cycle frame or fork with rocking arm pivoted on each fork leg
    • B62K25/14—Axle suspensions for mounting axles resiliently on cycle frame or fork with rocking arm pivoted on each fork leg with single arm on each fork leg
    • B62K25/20—Axle suspensions for mounting axles resiliently on cycle frame or fork with rocking arm pivoted on each fork leg with single arm on each fork leg for rear wheel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K25/00—Axle suspensions
    • B62K25/04—Axle suspensions for mounting axles resiliently on cycle frame or fork
    • B62K25/12—Axle suspensions for mounting axles resiliently on cycle frame or fork with rocking arm pivoted on each fork leg
    • B62K25/22—Axle suspensions for mounting axles resiliently on cycle frame or fork with rocking arm pivoted on each fork leg with more than one arm on each fork leg
    • B62K25/26—Axle suspensions for mounting axles resiliently on cycle frame or fork with rocking arm pivoted on each fork leg with more than one arm on each fork leg for rear wheel

Definitions

  • the present invention relates to a rear suspension of a motorcycle.
  • a rear suspension (conventional technology) described in Japanese Patent Application Laid-Open No. 6-183386 includes a buffer mechanism using a rotary damper and a restoration mechanism using a torsion bar.
  • the conventional rotary damper includes a damper shaft that is fixed to a damper stay, a damper body that rotates around the damper shaft, and oil that is filled between the damper shaft and the damper body.
  • the damper stay supporting the damper shaft is provided at a position different from the pivot shaft.
  • the damper shaft is a non-movable part that constitutes a rotary damper
  • the damper body is a movable part that constitutes a rotary damper.
  • the non-movable part and the pivot shaft are arranged in parallel.
  • the non-movable part in order to smoothly rotate the movable part around the non-movable part, it is necessary to dispose the non-movable part so that the level of the non-movable part is equal to the level of the pivot shaft. Therefore, in the prior art, a high degree of assembly accuracy is required for peripheral parts related to the rotary damper.
  • the configuration in which the non-movable part and the pivot shaft are not arranged coaxially causes an increase in the size of the rear suspension.
  • a joint that connects the swing arm and the movable portion is connected to the center portion in the width direction of the swing arm.
  • the swing arm can be twisted, for example, when the axle of the rear wheel is tilted during traveling.
  • the rotation of the movable part may be disturbed, and the rotary damper may be damaged.
  • the movable part of the rotary damper and the swing arm are connected via a plurality of parts (that is, a damper bracket, a swing arm bracket and a link).
  • a damper bracket that is, a damper bracket, a swing arm bracket and a link.
  • the torsion bar and the swing arm are connected via a pair of link mechanisms.
  • Each of the pair of link mechanisms includes a torque arm, a torque rod, and a torque bracket.
  • a first problem to be solved by the present invention is to provide a rear suspension of a motorcycle that can be easily assembled and can be reduced in size.
  • a second problem is to provide a motorcycle rear suspension capable of smoothly rotating a movable portion of a rotary damper even when a swing arm is twisted.
  • a third problem is to provide a rear suspension for a motorcycle in which rear wheels can be easily replaced.
  • a fourth problem is to provide a rear suspension for a motorcycle in which rear wheels can be easily exchanged and a movable part of a rotary damper can be smoothly rotated even when a swing arm is twisted. is there.
  • the fifth problem is to provide a motorcycle rear suspension capable of reducing the number of parts and the number of assembly steps.
  • the present invention provides the following rear suspension of a motorcycle.
  • a swing arm that pivots about a pivot shaft; and a rotary damper that alleviates an impact that occurs when the swing arm pivots, wherein the rotary damper is disposed on the same axis as the pivot shaft.
  • a rear suspension for a motorcycle comprising: a movable part that rotates around the non-movable part in conjunction with rotation of the swing arm; and oil that is filled between the movable part and the non-movable part. 2.
  • the rear suspension for a motorcycle according to claim 1 further comprising a ball joint including a socket connected to one of the swing arm and the movable portion.
  • a connecting means for connecting the swing arm and the movable part is provided, and the connecting means includes a first ball joint connected to the swing arm and a second ball joint connected to the movable part.
  • the rear suspension of a motorcycle according to the above further comprising a joint. 4).
  • a connecting means for connecting the swing arm and the movable part is provided, and the connecting means includes a first ball joint connected to the swing arm and a second ball joint connected to the movable part.
  • the motorcycle rear suspension according to claim 1 further comprising coupling means for coupling the swing arm and the movable part, wherein the coupling means comprises a single component attached to both the swing arm and the movable part. 8).
  • the connecting means includes a ball stud that is connected to one of the swing arm and the movable part, and a ball stud that contacts the ball stud with a ball pair. Since the ball joint including the socket connected to one of the other is provided, the twist of the swing arm can be absorbed by the connecting means.
  • the connecting means includes a joint including a first ball joint connected to the swing arm and a second ball joint connected to the movable part.
  • the twist of the swing arm can be absorbed. Therefore, the present invention can smoothly rotate the movable part even when the swing arm is twisted.
  • the connecting means includes a ball stud that is connected to one of the swing arm and the movable part, and a ball stud that contacts the ball stud with a ball pair.
  • the connecting means includes a joint including a first ball joint connected to the swing arm and a second ball joint connected to the movable part, The twist of the swing arm can be absorbed. Therefore, the present invention can smoothly rotate the movable part even when the swing arm is twisted.
  • the connecting means since the connecting means includes a single part attached to both the swing arm and the movable part, the swing arm and the movable part are connected through a single part. .
  • the number of parts and the number of assembly steps can be reduced as compared with the prior art in which the swing arm and the movable part are connected via a plurality of parts. Since the present invention described in 8 is provided with a support that is provided on the swing arm and supports the coil spring, the coil spring and the swing arm are connected via the support. Therefore, according to the present invention, the number of parts and the number of assembly steps can be reduced as compared with the prior art in which the torsion bar and the swing arm are connected via a pair of link mechanisms.
  • FIG. 1 is a schematic perspective view showing a rear suspension of a motorcycle according to a first embodiment of the present invention.
  • FIG. 2 is a schematic left side view showing the rear suspension of the motorcycle according to the first embodiment of the present invention.
  • 3 is a cross-sectional view taken along a line AA in FIG.
  • FIG. 4 is a sectional view of the rotary damper.
  • FIG. 5 is a schematic bottom view showing the rear suspension of the motorcycle according to the first embodiment of the present invention.
  • FIG. 6 is a schematic perspective view showing a rear suspension of the motorcycle according to the second embodiment of the present invention.
  • FIG. 7 is a schematic left side view showing the rear suspension of the motorcycle according to the second embodiment of the present invention.
  • 8 is a cross-sectional view taken along the line BB in FIG. FIG.
  • FIG. 9 is a perspective view of the joint.
  • FIG. 10 is a cross-sectional view of the first ball joint.
  • FIG. 11 is a schematic perspective view showing the rear suspension of the motorcycle according to the third embodiment of the present invention.
  • FIG. 12 is a schematic perspective view showing the rear suspension of the motorcycle according to the fourth embodiment of the present invention.
  • the rear suspension of the motorcycle according to the first embodiment of the present invention includes a swing arm 101, a rotary damper 102, and a coil spring 103.
  • the swing arm 101 includes a pair of arms (that is, the first arm 104 and the second arm 105), and a bridge 106 that connects the first arm 104 and the second arm 105.
  • the swing arm 101 is configured such that the distal end portion of the first arm 104 and the distal end portion of the second arm 105 are rotatably connected to a pivot shaft 108 fixed to the vehicle body frame 107. , Supported by the pivot shaft 108.
  • holes 109 and 110 are formed in the rear end portion of the first arm 104 and the rear end portion of the second arm 105, respectively.
  • the axle of the wheel 111 is inserted.
  • the swing arm 101 supports both sides of the axle of the rear wheel 111 by the first arm 104 and the second arm 105. However, the swing arm 101 may support only one side of the axle of the rear wheel 111 (see the fourth embodiment and FIG. 12).
  • the rotary damper 102 includes a non-movable part 112, a movable part 113, and an oil 114.
  • the non-movable part 112 includes a hollow shaft part 115 and a first vane 116 protruding outward from the shaft part 115.
  • a spline 117 is formed on the inner peripheral surface of the shaft portion 115.
  • the movable portion 113 includes a cylindrical peripheral wall 118 and a second vane 119 that protrudes inward from the peripheral wall 118. Oil 114 is filled between the non-movable part 112 and the movable part 113.
  • the non-movable part 112 of the rotary damper 102 is arranged coaxially with the pivot shaft 108.
  • a bush 120 interposed between the non-movable part 112 and the pivot shaft 108 is fixed to the vehicle body frame 107.
  • a pivot shaft 108 is inserted through a hole that passes through the bush 120 in the axial direction.
  • the bush 120 is arranged coaxially with the pivot shaft 108, and a spline is formed on the outer peripheral surface of the bush 120.
  • the non-movable part 112 is fixed to the bush 120 by combining a spline formed on the bush 120 and a spline 117 of the non-movable part 112.
  • the axis of the non-movable part 112 coincides with the axis of the pivot shaft 108. Therefore, this embodiment does not require a high level of assembly accuracy. Therefore, this embodiment is easy to assemble. Moreover, since the non-movable part 112 and the pivot shaft 108 are coaxially arranged in this embodiment, the rear suspension can be downsized.
  • the movable portion 113 of the rotary damper 102 is connected to the swing arm 101 via a connecting means.
  • a connecting means that is, one plate 121 attached to both the swing arm 101 and the movable portion 113 as the connecting means, it is not limited to this.
  • the plate 121 has one end fixed to the movable portion 113 with a bolt and the other end fixed to the bridge 106 of the swing arm 101 by welding.
  • the swing arm 101 and the movable portion 113 are connected via a single plate 121 attached to both the swing arm 101 and the movable portion 113, the swing arm and the movable portion are connected via a plurality of components. The number of parts and the number of assembling steps can be reduced as compared with the related art.
  • the rotation of the swing arm 101 is transmitted to the movable portion 113 by the plate 121.
  • the movable portion 113 rotates around the non-movable portion 112 in conjunction with the rotation of the swing arm 101.
  • the second vane 119 pressurizes the oil by the rotation of the movable portion 113, so that the oil 114 flows through the gap between the non-movable portion 112 and the movable portion 113.
  • the flow resistance of the oil 114 generated at this time becomes a braking force that decelerates the rotation of the movable portion 113.
  • This braking force is transmitted to the bridge 106 by the plate 121.
  • the plate 121 is preferably connected to the center portion in the width direction of the swing arm 101 (that is, the center portion of the bridge 106 that is an intermediate position between the first arm 104 and the second arm 105). Thereby, the braking force of the rotary damper 102 acts evenly on the pair of arms 104 and 105, so that the twist of the swing arm 101 can be suppressed.
  • the coil spring 103 is supported by a support provided on the swing arm 101 (ie, the first support 122).
  • the first support 122 is rotatably attached to a bracket 123 provided on the bridge 106 of the swing arm 101.
  • the other end of the coil spring 103 is supported by the second support 124.
  • the second support 124 is rotatably attached to a bracket 125 provided on the vehicle body frame 107.
  • the coil spring 103 arranged in this manner expands and contracts in conjunction with the rotation of the swing arm 101, and the elastic force of the coil spring 103 generated at that time returns the swing arm 101 to its original position.
  • the bracket 123 to which the first support 122 is attached may be provided at the center in the width direction of the swing arm 101 (that is, the center of the bridge 106 that is an intermediate position between the first arm 104 and the second arm 105). preferable. Thereby, since the elastic force of the coil spring 103 acts equally on the pair of arms 104 and 105, the twist of the swing arm 101 can be suppressed.
  • the connecting means for connecting the swing arm 101 and the movable portion 113 of the rotary damper 102 is different from the connecting means employed in the first embodiment. .
  • the connecting means employed in this embodiment includes a joint 126.
  • the joint 126 includes a first ball joint 127 and a second ball joint 128.
  • the first ball joint 127 includes a ball stud 129 including a ball portion 129, a shaft portion 130 protruding from the ball portion 129, and a socket 132 that contacts the ball portion 129 by a ball pair. It is configured.
  • the second ball joint 128 has the same configuration as the first ball joint 127.
  • the socket 132 of the first ball joint 127 and the socket 133 of the second ball joint 128 are connected by a joint 134, and the two sockets 132, 133 and the joint 134 are one component. As a single unit.
  • the first ball joint 127 is connected to the swing arm 101. More specifically, the ball stud 131 of the first ball joint 127 is attached to a flange 135 provided on the bridge 106 of the swing arm 101.
  • the second ball joint 128 is connected to the movable portion 113 of the rotary damper 102. More specifically, the ball stud 136 of the second ball joint 128 is attached to a flange 137 provided on the movable portion 113.
  • the rotation of the swing arm 101 is transmitted to the movable portion 113 by the joint 126.
  • the movable portion 113 rotates around the non-movable portion 112 in conjunction with the rotation of the swing arm 101.
  • the oil flow resistance generated when the movable portion 113 rotates serves as a braking force that decelerates the rotation of the movable portion 113.
  • This braking force is transmitted to the bridge 106 by the joint 126.
  • the joint 126 can be twisted even if the swing arm 101 is twisted. Can be absorbed.
  • the coil spring 103 and the joint 126 are both disposed on the upper surface side of the swing arm 101.
  • the coil spring 103 is disposed on the upper surface of the swing arm 101.
  • the joint 126 may be disposed on the lower surface side of the swing arm 101.
  • the connecting means for connecting the swing arm 101 and the movable portion 113 of the rotary damper 102 is used in the first and second embodiments. And different.
  • the connecting means employed in this embodiment includes a ball joint 138.
  • the basic configuration of the ball joint 138 is the same as that of the first ball joint 127 described above.
  • the ball joint 138 includes a ball stud including a ball portion, a shaft portion protruding from the ball portion, and a socket 139 that contacts the ball portion by a ball pair.
  • the ball stud of the ball joint 138 is connected to the swing arm 101 (more specifically, the joint 140 provided on the bridge 106), and the socket 139 of the ball joint 138 is connected to the movable portion 113 of the rotary damper 102. Has been.
  • the ball joint 138 can absorb the twist even when the swing arm 101 is twisted.
  • the swing arm 101 is different from the swing arm 101 employed in the first to third embodiments.
  • the swing arm 101 employed in this embodiment includes an arm 141 that supports only one side of the axle.
  • the distal end portion of the arm 141 is rotatably connected to the pivot shaft 108.
  • a hole 142 is formed in the rear end portion of the arm 141, and a rear wheel axle is inserted into the hole 142.
  • the swing arm 101 supports only one side of the rear axle by an arm 141.
  • the swing arm 101 employed in this embodiment is more likely to be twisted than the swing arm that supports both sides of the axle.
  • the connecting means employed in this embodiment has the same configuration as the connecting means employed in Embodiment 2, even if the swing arm 101 is twisted, the movable portion 113 of the rotary damper 102 is smoothly rotated. It is possible to make it.
  • it can replace with the connection means employ

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Axle Suspensions And Sidecars For Cycles (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

　La présente invention concerne une suspension arrière pour un motocycle, comportant : une partie non mobile (112) comportant un bras oscillant (101) tournant autour d'un axe de pivot (108) et un amortisseur rotatif (102) servant à atténuer un impact généré pendant la rotation du bras oscillant (101), l'amortisseur rotatif (102) étant agencé de manière coaxiale par rapport à l'arbre de pivot (108) ; une partie mobile (113) qui tourne autour de la partie non mobile (112) en liaison avec la rotation du bras oscillant (101) ; et de l'huile (114) bourrée entre la partie mobile (113) et la partie non mobile (112). La présente invention peut être facilement assemblée. La présente invention permet également de réduire la taille d'une suspension arrière.
PCT/JP2014/065786 2014-06-13 2014-06-13 Suspension arrière pour motocycle Ceased WO2015189999A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201480080807.9A CN106573662A (zh) 2014-06-13 2014-06-13 自动两轮车的后悬架
JP2016527602A JP6427568B2 (ja) 2014-06-13 2014-06-13 自動二輪車のリヤサスペンション
PCT/JP2014/065786 WO2015189999A1 (fr) 2014-06-13 2014-06-13 Suspension arrière pour motocycle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2014/065786 WO2015189999A1 (fr) 2014-06-13 2014-06-13 Suspension arrière pour motocycle

Publications (1)

Publication Number Publication Date
WO2015189999A1 true WO2015189999A1 (fr) 2015-12-17

Family

ID=54833122

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2014/065786 Ceased WO2015189999A1 (fr) 2014-06-13 2014-06-13 Suspension arrière pour motocycle

Country Status (3)

Country Link
JP (1) JP6427568B2 (fr)
CN (1) CN106573662A (fr)
WO (1) WO2015189999A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114343387A (zh) * 2022-01-18 2022-04-15 漯河职业技术学院 艺术设计用多彩3d展示装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63145833A (ja) * 1986-12-03 1988-06-17 Honda Motor Co Ltd 回転式油圧緩衝器
JPH02141591U (fr) * 1989-04-25 1990-11-28
JPH03243487A (ja) * 1990-02-19 1991-10-30 Kayaba Ind Co Ltd 振動減衰装置
JPH06183386A (ja) * 1992-12-17 1994-07-05 Suzuki Motor Corp 自動２輪車の後輪懸架装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT7968629A0 (it) * 1979-08-07 1979-08-07 Torino A Motociclo con sospensione posteriore a forcella oscillante
FR2565529B1 (fr) * 1984-06-08 1987-03-20 Elf France Dispositif de suspension et/ou d'amortissement pour un bras support de roue de vehicule
US4886149A (en) * 1986-12-03 1989-12-12 Honda Giken Kogyo Kabushiki Kaisha Rotary type hydraulic damper
US4913255A (en) * 1987-10-14 1990-04-03 Honda Giken Kogyo Kabushiki Kaisha Shock absorber for motorcycle
JPH0825937A (ja) * 1994-07-15 1996-01-30 Toyota Motor Corp 車輌用サスペンション
US6536565B2 (en) * 2001-03-06 2003-03-25 Delphi Technologies, Inc. Rotary damper
JP4271468B2 (ja) * 2003-03-20 2009-06-03 本田技研工業株式会社 ロータリーダンパ
JP5306874B2 (ja) * 2009-03-26 2013-10-02 本田技研工業株式会社 スイングアーム装置
CN201439356U (zh) * 2009-08-11 2010-04-21 上海华普汽车有限公司 球销总成和悬架系统
CN102343938A (zh) * 2011-07-21 2012-02-08 徐工集团工程机械股份有限公司江苏徐州工程机械研究院 一种大型矿用自卸车转向横拉杆双向固定式销轴总成
CN202727916U (zh) * 2012-06-29 2013-02-13 长城汽车股份有限公司 车辆用稳定杆连接杆总成

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63145833A (ja) * 1986-12-03 1988-06-17 Honda Motor Co Ltd 回転式油圧緩衝器
JPH02141591U (fr) * 1989-04-25 1990-11-28
JPH03243487A (ja) * 1990-02-19 1991-10-30 Kayaba Ind Co Ltd 振動減衰装置
JPH06183386A (ja) * 1992-12-17 1994-07-05 Suzuki Motor Corp 自動２輪車の後輪懸架装置

Also Published As

Publication number Publication date
JPWO2015189999A1 (ja) 2017-04-27
JP6427568B2 (ja) 2018-11-21
CN106573662A (zh) 2017-04-19

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