WO2022083087A1 - Dispositif d'entraînement à deux disques pour bicyclette - Google Patents

Dispositif d'entraînement à deux disques pour bicyclette Download PDF

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Publication number
WO2022083087A1
WO2022083087A1 PCT/CN2021/089341 CN2021089341W WO2022083087A1 WO 2022083087 A1 WO2022083087 A1 WO 2022083087A1 CN 2021089341 W CN2021089341 W CN 2021089341W WO 2022083087 A1 WO2022083087 A1 WO 2022083087A1
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WO
WIPO (PCT)
Prior art keywords
gear
chainring
tooth structure
drive gear
drive device
Prior art date
Application number
PCT/CN2021/089341
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English (en)
Chinese (zh)
Inventor
孔德玲
Original Assignee
广东皇田环保科技有限公司
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 广东皇田环保科技有限公司 filed Critical 广东皇田环保科技有限公司
Publication of WO2022083087A1 publication Critical patent/WO2022083087A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M11/00—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels
    • B62M11/04—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio

Definitions

  • the invention relates to the technical field of bicycles, in particular to a bicycle double disc drive device.
  • the traditional transmission structure of a bicycle is a sprocket chain structure.
  • the chain of this structure is prone to loosening, which affects the transmission efficiency, resulting in more laborious riding.
  • the purpose of the present invention is to provide a bicycle double disc drive device, the gear disc and the transmission gear shaft realize transmission, so as to replace the traditional sprocket chain structure, and the two gear discs can jointly drive the transmission gear shaft, the power output is stronger, and the riding
  • the driving is more labor-saving, and the transmission efficiency is also improved, which solves the problem of poor power output of the existing sprocket chain transmission or single-tooth drive structure, and the riding is more laborious.
  • a bicycle double disc drive device comprising a first chainring, a second chainring, a transmission pinion and a rear wheel;
  • the first chainring is arranged opposite to the second chainring;
  • the first chainring and the second chainring can jointly drive the transmission pinion to rotate, thereby driving the rear wheel to rotate.
  • the first chainring and the second chainring can jointly transmit power to the transmission pinion, and the power output is stronger, that is, the rear wheel can be driven more effortlessly, compared with the traditional sprocket chain drive or single-tooth drive structure, etc. Less effort and higher transmission efficiency.
  • the device further includes an additional gear, one end of the transmission pinion is provided with a front drive gear, the first chainring is engaged with one side of the front drive gear, the other side of the front drive gear is engaged with one side of the additional gear, and the additional The other side of the gear meshes with the second chainring.
  • the combination of the front drive gear and the auxiliary gear is arranged between the first toothed plate and the second toothed plate, so that the first toothed plate and the second toothed plate can jointly drive the front drive gear, improve the output of torque and power, and have a simple structure , high transmission efficiency.
  • the device further includes a rear gear plate, the other end of the transmission pinion is provided with a rear drive gear, the rear drive gear is engaged with the rear gear plate, and the rear gear plate is drivingly connected with the rear wheel.
  • the rear drive gear transmits power to the rear chainring, thereby driving the rear wheels to rotate.
  • the first chainring is provided with a concave tooth structure
  • the second chainring is provided with a convex tooth structure
  • the front drive gear is provided with a convex tooth structure
  • the auxiliary gear is provided with a concave tooth structure
  • the rear drive gear is provided with a convex tooth structure
  • the rear gear plate is provided with a concave tooth structure.
  • the convex tooth structure is conical, and the generatrix of the conical surface is arc-shaped;
  • the concave tooth structure is conical, and the generatrix of the conical surface is arc-shaped.
  • the matching structure of the conical convex teeth and the concave teeth is beneficial to reduce the wear of the teeth, reduce the transmission friction, and improve the transmission efficiency.
  • the diameter dimension of the front drive gear is larger than the diameter dimension of the rear drive gear.
  • first chainring and the second chainring are both connected to the first rotating shaft
  • a first pedal is connected to the edge of the first chainring
  • a second pedal is connected to the edge of the second chainring.
  • the foot pedals are all arranged on the edge portion of the gear plate, which is beneficial to increase the torque, so that the transmission pinion and the rear wheel can be driven with less effort.
  • the additional gear is rotatably connected to the second rotating shaft, and an end of the second rotating shaft away from the additional gear is provided with a bracket, and the bracket is connected to the vehicle frame.
  • the transmission pinion is an integrally formed structure.
  • the first chainring and the second chainring form a double chainring structure, which can jointly drive the transmission gear shaft to rotate, the power is stronger, the riding is more labor-saving, and the transmission efficiency is also high, which can replace the traditional chain Transmission structures such as wheels and chains.
  • Fig. 1 is the structure diagram of a kind of bicycle double disc drive device of the present invention
  • Fig. 2 is the enlarged view of A place of Fig. 1;
  • Fig. 3 is the structure diagram of the transmission pinion of the present invention.
  • a bicycle double disc drive device includes a first chainring 1 , a second chainring 2 , a transmission pinion 3 and a rear wheel 8 ;
  • the first chainring 1 and the second chainring 2 are arranged opposite to each other;
  • the first chainring 1 and the second chainring 2 can jointly drive the transmission pinion 3 to rotate, thereby driving the rear wheel 8 to rotate.
  • the device also includes an attached gear 5, one end of the transmission pinion 3 is provided with a front drive gear 31, the first toothed plate 1 meshes with one side of the front drive gear 31, and the other side of the front drive gear 31 is connected with a side of the attached gear 5. Side meshing, the other side of the attached gear 5 meshes with the second chainring 2 .
  • the device also includes a rear gear plate 4, the other end of the transmission pinion 3 is provided with a rear drive gear 32, the rear drive gear 32 meshes with the rear gear plate 4, and the rear gear plate 4 is drivingly connected with the rear wheel 8.
  • first chainring 1 is provided with a concave tooth structure 20
  • second chainring 2 is provided with a convex tooth structure 10
  • front drive gear 31 is provided with a convex tooth structure 10
  • auxiliary gear 5 is provided with a concave tooth structure 20
  • rear drive gear is provided with a concave tooth structure 20.
  • 32 is provided with a convex tooth structure 10
  • the rear sprocket 4 is provided with a concave tooth structure 20 .
  • the convex tooth structure 10 is conical, and the generatrix of the conical surface is arc-shaped;
  • the concave tooth structure 20 is conical, and the generatrix of the conical surface is arc-shaped.
  • the diameter of the front-drive gear 31 is larger than the diameter of the rear-drive gear 32 .
  • first chainring 1 and the second chainring 2 are both connected to the first rotating shaft 6;
  • a first pedal 91 is connected to the edge of the first chainring 1;
  • a second pedal 92 is connected to the edge of the second chainring 2 .
  • the additional gear 5 is rotatably connected to the second shaft 71 , and the end of the second shaft 71 away from the additional gear 5 is provided with a bracket 72 , and the bracket 72 is connected to the frame.
  • the transmission pinion 3 has an integrally formed structure.
  • the double-disc drive device can be applied to a bicycle, can replace the traditional sprocket chain structure, and can drive the automatic bicycle forward with less effort.
  • the first chainring 1 and the second chainring 2 of the device are coaxially connected to the first rotating shaft 6, and the first chainring 1 and the second chainring 2 can be rotatably connected to the first rotating shaft 6 through structures such as bearings.
  • both the first chainring 1 and the second chainring 2 are linked with the first rotating shaft 6, and the first rotating shaft 6 is rotatably connected to the frame of the bicycle through a structure such as a bearing.
  • the edges of the first chainring 1 and the second chainring 2 are provided with a first foot pedal 91 and a second foot pedal 92 , and the chainring can be driven to rotate by stepping on the foot pedal.
  • the edge portion of the second pedal 92 connected to the corresponding toothed disc can directly drive the corresponding toothed disc to rotate, the output torque and power are larger, and the transmission efficiency is higher.
  • the front drive gear 31 of the transmission pinion 3 can be meshed with either the first chainring 1 or the first chainring 1 .
  • the inner side meshes with one side of the front drive gear 31
  • the other side of the front drive gear 31 meshes with the additional gear 5
  • the other side of the additional gear 5 meshes with the inner side of the second chainring 2 .
  • the toothed plate 2 can transmit torque and power to the front drive gear 31 in the same direction together with the first toothed plate 1, so that the first toothed plate 1 and the second toothed plate 2 can jointly drive the transmission pinion 3, as if they have dual drives,
  • the output torque and power are stronger, and the bicycle can be driven forward with less effort.
  • the rear drive gear 32 of the transmission pinion 3 is meshed and connected with the rear toothed plate 4, and the rear toothed plate 4 is drivingly connected with the rear wheel 8, which can drive the rear wheel 8 to rotate, and the rear wheel 8 and the rear toothed plate 4 can be connected to the rear of the frame. on the axis.
  • the additional gear 5 is connected to the frame through a second rotating shaft 71 and a bracket 72 and other structures, and the transmission pinion 3 can also be installed on the frame through an axle seat or other positioning structures.
  • the entire double-disc drive device has a simple and compact structure, strong power output, high transmission efficiency, and less effort for riding.
  • the tooth structure of the first toothed plate 1, the second toothed plate 2, the transmission pinion 3, the attached gear 5 and the rear toothed plate 4 is roughly conical, and the size of the tooth structure can be set according to the corresponding parts, specifically the convex tooth structure 10 is conical, and the generatrix of the conical surface is arc-shaped, and the corresponding concave teeth are also conical, and the generatrix of the conical surface is arc-shaped, and the generatrix can be an involute, so that the meshing between the convex teeth and the concave teeth is smoother, It is beneficial to reduce wear and friction and reduce the loss of mechanical energy.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Gears, Cams (AREA)

Abstract

L'invention concerne un dispositif d'entraînement à deux disques pour une bicyclette, comprenant un premier disque d'engrenage (1), un second disque d'engrenage (2), un arbre d'engrenage de transmission (3) et une roue arrière (8). Le premier disque d'engrenage (1) et le second disque d'engrenage (2) sont agencés de façon opposée; et le premier disque d'engrenage (1) et le second disque d'engrenage (2) peuvent entraîner conjointement l'arbre d'engrenage de transmission (3) en rotation, entraînant ainsi la rotation de la roue arrière (8). Les deux disques d'engrenage (1, 2) peuvent entraîner conjointement l'arbre d'engrenage de transmission (3), et le rendement de puissance est plus fort, le cycle nécessite un effort moindre et l'efficacité de transmission est améliorée.
PCT/CN2021/089341 2020-10-19 2021-04-23 Dispositif d'entraînement à deux disques pour bicyclette WO2022083087A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202011118711.0 2020-10-19
CN202011118711.0A CN112078722A (zh) 2020-10-19 2020-10-19 一种自行车双盘驱动装置

Publications (1)

Publication Number Publication Date
WO2022083087A1 true WO2022083087A1 (fr) 2022-04-28

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Application Number Title Priority Date Filing Date
PCT/CN2021/089341 WO2022083087A1 (fr) 2020-10-19 2021-04-23 Dispositif d'entraînement à deux disques pour bicyclette

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CN (1) CN112078722A (fr)
WO (1) WO2022083087A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112078722A (zh) * 2020-10-19 2020-12-15 广东皇田环保科技有限公司 一种自行车双盘驱动装置

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005059622A (ja) * 2003-08-14 2005-03-10 Ryoji Koseki 自転車
KR20100133597A (ko) * 2009-06-12 2010-12-22 마지현 자전거용 변속기어 조립체
CN103274014A (zh) * 2013-06-19 2013-09-04 杨靖 一种无链传动自行车传动齿轮均匀磨损装置
CN203268288U (zh) * 2013-01-28 2013-11-06 南京航空航天大学 一种无链自行车变速传动装置
CN106428405A (zh) * 2016-10-13 2017-02-22 李晓成 一种自行车无死点驱动中轴
CN209904975U (zh) * 2019-04-16 2020-01-07 姜起文 新型自行车齿轮往复式脚踏动力机构
CN112078722A (zh) * 2020-10-19 2020-12-15 广东皇田环保科技有限公司 一种自行车双盘驱动装置
CN212861778U (zh) * 2020-10-19 2021-04-02 广东皇田环保科技有限公司 一种自行车双盘驱动装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2320513Y (zh) * 1998-01-20 1999-05-26 李中华 新型自行车驱动装置
KR100581839B1 (ko) * 2005-12-09 2006-05-22 주식회사 한국티엔비 동력전달장치
CN108657362A (zh) * 2017-03-27 2018-10-16 莫建华 自行车传递运动能量的方法
CN108725678A (zh) * 2018-06-29 2018-11-02 李增泉 一种自行车往复圆周转换机构
CN210526759U (zh) * 2019-07-09 2020-05-15 湖北宜家耐热陶砂有限公司 一种自行车的传动结构

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005059622A (ja) * 2003-08-14 2005-03-10 Ryoji Koseki 自転車
KR20100133597A (ko) * 2009-06-12 2010-12-22 마지현 자전거용 변속기어 조립체
CN203268288U (zh) * 2013-01-28 2013-11-06 南京航空航天大学 一种无链自行车变速传动装置
CN103274014A (zh) * 2013-06-19 2013-09-04 杨靖 一种无链传动自行车传动齿轮均匀磨损装置
CN106428405A (zh) * 2016-10-13 2017-02-22 李晓成 一种自行车无死点驱动中轴
CN209904975U (zh) * 2019-04-16 2020-01-07 姜起文 新型自行车齿轮往复式脚踏动力机构
CN112078722A (zh) * 2020-10-19 2020-12-15 广东皇田环保科技有限公司 一种自行车双盘驱动装置
CN212861778U (zh) * 2020-10-19 2021-04-02 广东皇田环保科技有限公司 一种自行车双盘驱动装置

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