EP3883847A1 - Drive assembly for a bicycle which can be powered electrically - Google Patents
Drive assembly for a bicycle which can be powered electricallyInfo
- Publication number
- EP3883847A1 EP3883847A1 EP19806117.8A EP19806117A EP3883847A1 EP 3883847 A1 EP3883847 A1 EP 3883847A1 EP 19806117 A EP19806117 A EP 19806117A EP 3883847 A1 EP3883847 A1 EP 3883847A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fastening part
- fastening
- drive arrangement
- arrangement according
- housing
- 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.)
- Pending
Links
- 238000013016 damping Methods 0.000 claims description 6
- 230000007704 transition Effects 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 229910052782 aluminium Inorganic materials 0.000 description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 8
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 4
- 229910052749 magnesium Inorganic materials 0.000 description 4
- 239000011777 magnesium Substances 0.000 description 4
- 150000002681 magnesium compounds Chemical class 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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
- B62K19/00—Cycle frames
- B62K19/30—Frame parts shaped to receive other cycle parts or accessories
- B62K19/34—Bottom brackets
-
- 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
- B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
- B62M6/40—Rider propelled cycles with auxiliary electric motor
- B62M6/55—Rider propelled cycles with auxiliary electric motor power-driven at crank shafts parts
Definitions
- the present invention relates to a drive arrangement of an electrically operated bicycle and a bicycle with such a drive arrangement, in particular a pedelec or an S-pedelec.
- Bikes that can be operated with muscle power and / or an electric auxiliary drive are becoming increasingly popular in the form of pedelecs and S-pedelecs.
- the electric drive is attached to the frame via a fixed frame interface, which is integrated in the frame.
- the electric drive is usually fixed directly to the frame component using screws. Because of its simplicity, this principle has proven itself in principle. However, it would be desirable to add more here
- Bicycle with the features of claim 1 has the advantage that a connection to a wide variety of different in a simple manner
- standardized electric drive can be used with a housing and an adjustment is made via at least a first and a second
- the fastening parts are fastened to the housing of the electric drive and are set up to be fastened to a frame of the bicycle. This makes it possible for a wide variety of frames to choose individual fastening parts and to provide a connection of a standardized electric drive to the frame.
- the first fastening part is arranged on a first side of the electric drive and the second fastening part is arranged on a second side of the electric drive, opposite the first side.
- the electric drive can be fixed to the frame from two sides, preferably its long sides, and it is not necessary to provide an adapted housing of the electric drive for different frames. Bicycle manufacturers can thus freely choose an interface to the electric drive and a geometric adjustment is made via the fastening parts to fix the electric drive to the frame.
- the first fastening part and the second fastening part have first
- the connecting parts attach the first and second fastening parts to the frame component and the second through openings are arranged to receive connecting parts, wherein the connecting parts are set up, the first and second fastening elements on Fasten housing.
- the first and second fastening elements preferably each have at least one first and second flat region, which are connected to one another via a transition region.
- the first is
- the first and second fastening parts are a flat component, in particular a sheet-like flat component.
- the flat component By designing the flat component with two mutually offset parallel planes, a good damping effect of the fastening part can be obtained, so that the electrical drive can be decoupled from the frame via the first and second fastening parts. Vibrations or vibrations or the like can be absorbed and damped in particular by means of the transition area between the two flat areas.
- Each fastening part preferably has first through openings and second through openings.
- the first through openings are designed to accommodate connecting parts, in particular screws or the like, which fasten the fastening part to the housing of the electric drive.
- the second through openings are arranged to receive connecting parts in order to fasten the first and second fastening parts to the frame of the bicycle.
- All first through openings are particularly preferably arranged in first planar regions in the first plane and all second
- the drive arrangement particularly preferably comprises an even number of fastening parts, in particular exactly two fastening parts or exactly four fastening parts or exactly six fastening parts.
- an equal number of fastening parts are preferably arranged on one side, in particular the long side, of the drive arrangement.
- the fastening parts are preferably each formed in one piece. Those are preferred
- Fastening parts sheet metal parts particularly preferably aluminum sheet parts.
- the first and second fastening parts each partially protrude beyond the housing and define between them a receiving space through which an electrical connection of the electric drive runs to a power store arranged on the frame or another component of the bicycle.
- the housing of the electric drive preferably comprises magnesium and / or a magnesium compound and / or aluminum and is special preferably made entirely of magnesium or a magnesium compound or aluminum.
- Fastening component fixed a nut, in particular a press-in nut, or at least one through opening of the fastening part has a thread. This enables a simple screw connection between the components.
- the drive arrangement further comprises a damping element which is arranged between the fastening part and the housing and / or between the fastening part and the frame of the bicycle.
- the damping element is preferably a decoupling nut which comprises an inelastic base body and an elastic buffer body.
- the elastic buffer body is arranged on the inelastic base body and has a cylindrical inner region. The interior of the
- Decoupling nut is set up to receive and fix a connecting part, in particular a fixing screw or the like.
- the inelastic base body is preferably made of the same material as that
- the elastic buffer body is preferably an elastomer.
- a crown is arranged on at least one through-opening on the first and / or second fastening part in order to receive the decoupling nut.
- the decoupling nut can be arranged on the fastening part in a simple manner.
- the drive arrangement further preferably comprises a spring element, in particular a spring plate, which is arranged between the first and / or second fastening part and the housing of the electric drive and / or between the first and / or second fastening part and the frame of the bicycle.
- the spring plate preferably has a thickness which is less than a thickness of the first and / or second fastening part.
- the spring element has the additional task of decoupling
- the intermediate plate particularly preferably has the same outer contour as the first and / or second fastening component.
- the invention further relates to a bicycle, in particular a pedelec or an S-pedelec.
- a bicycle is understood not only as a two-wheeled bicycle, but also, for example, a three-wheeled bicycle or a cargo bike with two or three wheels or a bicycle with four wheels, e.g. for handicapped people.
- the electric drive is preferably arranged as a central motor on the bicycle and particularly preferably comprises a crankshaft of the bicycle.
- Figure 1 is a schematic exploded view of a
- Figure 2 is a perspective view of the drive assembly of
- Figure 3 is a perspective view of the frame member
- Figures 4-6 are schematic representations of an alternative
- Figure 7 is a schematic, perspective partial view of a
- FIG. 8 shows a schematic sectional illustration of a fastening part of the drive arrangement from FIG. 7.
- FIG. 1 schematically shows an exploded view of an electric drive 2 and a frame component 4 of the bicycle, to which the electric drive 2 is fixed.
- a down tube 8, a seat tube 8 ′ and two rear wheel struts 8 ′′ are indicated schematically in FIGS. 1 and 3 on the frame component 4.
- the electric drive 2 comprises a housing 3, which in this case
- Embodiment is weight-optimized and is preferably made of magnesium and / or magnesium compounds and / or aluminum.
- a crankshaft 5 is also indicated on the electric drive 2, which is also enclosed by the housing 3 of the electric drive 2.
- a total of six fastening openings 41, 42, 43, 44, 45, 46 are provided on the frame component 4.
- the frame component 4 has a first side part 4a and a second side part 4b, which are connected to one another via a connecting part 4c.
- the side parts 4a and 4b are parallel to each other.
- Three fastening openings are provided in each side part 4a, 4b.
- a first fastening part 11, a second fastening part 12, a third fastening part 13 and a fourth one are used to connect the frame component 4 and the electric drive 2
- Fastening part 14 is provided. As can be seen in particular from FIG. 2, the first fastening part 11 and the second fastening part 12 on the housing 3 are arranged opposite one another on a first long side 15 and a second long side 16. Likewise, the third attachment part 13 and the fourth fastening part 14 on the housing 3 arranged opposite one another.
- each of the fastening parts 11, 12, 13, 14 comprises a first through opening 11a, 11b, 12a, 12b, which is set up to enable attachment to the electric drive and a second through opening 11c, 11d, 12c, 12d, which is set up to enable attachment to the frame component 4.
- the first fastening part 11 has exactly two first through openings 11 a, 11 bauf, the first
- Fastening openings 11 a and 1 1 b are set up for fixing to the frame component and the fixing openings 1 1c and 1 1 d are set up for fixing to the housing 3 of the electric drive 2.
- the second fastening part 12 has first and second
- Through openings 12a and 12b are set up for attachment to the frame component 4 and the second through openings 12c and 12d are set up for mounting on the housing 3 of the electric drive 2.
- Figures 1 and 2 show the state of the fastening parts 1 1, 12, 13, 14, in which they are fastened to the housing 3 of the electric drive 2 by means of connecting parts 7 in the form of fixing screws.
- the first through openings 1 1a, 1 1 b and 12a, 12b for fixing to the frame component 4 are still shown without a connecting part.
- first and second fastening parts 11, 12 have a corrugated shape such that first flat regions 21 and second flat regions 22 are formed.
- the first and second flat areas are parallel to one another and are connected to one another via connecting areas 23.
- the first through openings 11 a, 11 b and 12a, 12b are each arranged on the first flat regions 21 for attachment to the frame component 4.
- the through openings 11 c, 1 1d and 12c, 12d for attachment to the housing 3 of the electric drive are arranged on the second flat regions 22.
- the first flat areas 21 and the second flat areas 22 are arranged alternately. This geometric shape of the fastening parts 1 1, 12 allows decoupling between the frame component 4 and the
- Housing 3 of the electric drive 2 can be ensured.
- oscillations and vibrations which could occur during operation of the electric drive 2 cannot be transmitted to the frame.
- the frame of the bicycle and the electric drive 2 are thus decoupled from one another, so that a user does not perceive an operation of the electric drive.
- Fastening parts 13 and 14 also each have three through openings 13a, 13b, 13c and 14a, 14b and 14c.
- first through openings 13a and 14a are set up for connection to the frame component 4 and second through openings 13b, 13c and 14b, 14c for connection to the housing 3 of the electric drive 2.
- first fastening part 11 and the third fastening part 13 are each arranged on a first longitudinal side 15 of the electric drive and the second fastening part 12 and the fourth fastening part 14 are in each case on a second longitudinal side 16 of the electric drive
- third and fourth fastening parts 13, 14 are also preferably wave-shaped with two flat regions lying in mutually parallel planes.
- the through openings in the fastening parts 11, 12, 13, 14 are parallel to a central axis 50 of the crankshaft 5.
- the fastening parts 11, 12, 13, 14 are slightly deformed during assembly.
- the fastening parts 11, 12, 13, 14 are preferably made of aluminum and the housing 3 of the electric drive preferably comprises magnesium and / or magnesium compounds.
- the fastening parts 11, 12, 13, H can also be a
- FIGS. 4 to 6 schematically show an alternative fastening option between the electric drive 2 and the frame component 4, the same parts or functionally identical parts being designated with the same reference numerals as in the first exemplary embodiment.
- the same parts or functionally identical parts being designated with the same reference numerals as in the first exemplary embodiment.
- the nut 6 instead of providing the nut 6 on the fastening part, which in the first embodiment
- Rivet connection or a press connection is fixed on the fastening part, in the exemplary embodiment shown in FIGS. 4 to 6
- Decoupling nut 60 is provided.
- the decoupling nut 60 comprises an inelastic base body 61 and an elastic buffer body 62.
- a crown 17 is welded to the fastening part 13 or alternatively riveted or pressed in.
- the decoupling nut 60 has gaps 63 which accommodate the prongs of the crown 17.
- the assembled state is shown in Figure 6.
- the connecting part 7 is thus completely received on the elastic buffer body 62 so that there is no direct contact between the frame component 4 and the housing 3 of the electric drive 2.
- the crown 17 when tightening the connecting part 7 ensures that the
- Connecting part 7 and elastic buffer body 62 is detachable and reusable without loss.
- FIGS. 7 and 8 show a drive arrangement 1 according to a second exemplary embodiment of the invention.
- the second exemplary embodiment essentially corresponds to the first exemplary embodiment, wherein in Difference from the first embodiment in the second embodiment on the fastening parts 11, 12, 13, 14 additionally a flat
- Spring element 9 is arranged.
- the spring element 9 is in direct contact with each fastening part and is preferably made of spring plate or
- a thickness of the spring element 9 is further preferably smaller than a thickness of the respective fastening part. As can be seen from FIG. 7, the spring element 9 is in this case on the fastening parts 11,
- the fastening parts 11, 12, 13, 14 are preferably made of aluminum. However, it is also possible that through the
- the fastening parts 11, 12, 13, 14 are made of steel or plastic, since the spring elements 9 prevent direct contact between the fastening parts 11, 12, 13, 14 and the frame component 4.
- An outer contour of the spring elements 9 preferably corresponds to an outer contour of the fastening parts 11, 12, 13, 14.
- the connecting fastening parts 11, 12, 13, 14 are kept very simple and very inexpensive to manufacture as mass components.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Motorcycle And Bicycle Frame (AREA)
- Automatic Cycles, And Cycles In General (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018219898.5A DE102018219898A1 (en) | 2018-11-21 | 2018-11-21 | Drive arrangement of an electrically operated bicycle |
PCT/EP2019/080922 WO2020104239A1 (en) | 2018-11-21 | 2019-11-12 | Drive assembly for a bicycle which can be powered electrically |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3883847A1 true EP3883847A1 (en) | 2021-09-29 |
Family
ID=68621228
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19806117.8A Pending EP3883847A1 (en) | 2018-11-21 | 2019-11-12 | Drive assembly for a bicycle which can be powered electrically |
Country Status (5)
Country | Link |
---|---|
US (1) | US20210269119A1 (en) |
EP (1) | EP3883847A1 (en) |
JP (1) | JP7358471B2 (en) |
DE (1) | DE102018219898A1 (en) |
WO (1) | WO2020104239A1 (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10730584B2 (en) | 2014-09-11 | 2020-08-04 | Stacyc, Inc. | Convertible motorized running cycle |
EP3686102B1 (en) * | 2019-01-25 | 2021-10-27 | Amprio GmbH | Pedelec bottom bracket drive unit |
TW202229083A (en) * | 2019-12-27 | 2022-08-01 | 日商島野股份有限公司 | Human-powered vehicle component and gear |
EP3988437A1 (en) * | 2020-10-21 | 2022-04-27 | Amprio GmbH | Electric bicycle drive unit attachment assembly |
US11603165B2 (en) | 2021-03-04 | 2023-03-14 | StaCyc, LLC | Bike frame having a drive module enclosure |
DE102021213870A1 (en) | 2021-12-07 | 2023-06-07 | Robert Bosch Gesellschaft mit beschränkter Haftung | drive assembly |
USD1022804S1 (en) | 2021-12-13 | 2024-04-16 | StaCyc, LLC | Electric bicycle |
DE102022107975A1 (en) | 2022-04-04 | 2023-10-05 | Porsche Ebike Performance Gmbh | Module for a bicycle, kit for a bicycle and bicycle |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5555079A (en) * | 1978-10-17 | 1980-04-22 | Honda Motor Co Ltd | Engine support structure of autobicycle |
AU539919B2 (en) * | 1980-09-22 | 1984-10-25 | Honda Giken Kogyo Kabushiki Kaisha | Motorcycle frame |
JP3939813B2 (en) * | 1996-08-02 | 2007-07-04 | ヤマハ発動機株式会社 | Power assisted bicycle |
JPH10267024A (en) * | 1997-03-26 | 1998-10-06 | Takenaka Seisakusho:Kk | Base isolation fastening device also serving as locking device |
US6547207B1 (en) * | 1999-12-02 | 2003-04-15 | Lord Corporation | Safetied elastomeric sandwich mount for motorcycle engine |
US6651768B2 (en) * | 2000-11-06 | 2003-11-25 | Bombardier Inc. | Snowmobile engine mount |
JP3929447B2 (en) * | 2004-03-24 | 2007-06-13 | 松下電器産業株式会社 | Electric bicycle |
JP2005280507A (en) * | 2004-03-30 | 2005-10-13 | Yamaha Motor Co Ltd | Engine support device of motorcycle |
JP5193973B2 (en) * | 2009-08-25 | 2013-05-08 | 本田技研工業株式会社 | Saddle riding vehicle |
EP2540605B1 (en) * | 2010-02-23 | 2014-07-23 | Honda Motor Co., Ltd. | Motorcycle |
AT12217U1 (en) * | 2010-08-31 | 2012-01-15 | Daniel Preining | ADAPTER FOR CONNECTING AN ELECTRIC DRIVE UNIT TO VEHICLE FRAME |
WO2013134164A1 (en) * | 2012-03-03 | 2013-09-12 | Nathan Jauvtis | Power assisted vehicle |
JP2014177242A (en) * | 2013-03-15 | 2014-09-25 | Yamaha Motor Co Ltd | Saddle-riding type vehicle |
AT13508U1 (en) * | 2013-08-02 | 2014-02-15 | Mario Preining | Mounting system for connecting an electric drive system to bicycles |
GR1008466B (en) * | 2013-09-27 | 2015-04-21 | Ιωαννης Κωνσταντινου Τσαϊλιανης | System for the electrical propulsion of lightweight vehicles |
US9359040B2 (en) * | 2014-06-20 | 2016-06-07 | Securience, LLC | Electric bike retrofit for disc brakes bicycle |
CN204489092U (en) * | 2015-02-02 | 2015-07-22 | 天津市金轮信德车业有限公司 | The motor integrated hanger of electric bicycle |
US10518841B2 (en) * | 2015-06-26 | 2019-12-31 | Specialized Bicycle Components, Inc. | Ebike battery mount |
US10036465B2 (en) * | 2015-07-17 | 2018-07-31 | Shimano Inc. | Bicycle component |
CN205396405U (en) * | 2016-02-19 | 2016-07-27 | 昆山简创运动科技有限公司 | Hang a mounting structure |
JP6417059B1 (en) * | 2017-05-29 | 2018-10-31 | 宝輝 山下 | Nut and fastening method |
-
2018
- 2018-11-21 DE DE102018219898.5A patent/DE102018219898A1/en active Pending
-
2019
- 2019-11-12 WO PCT/EP2019/080922 patent/WO2020104239A1/en unknown
- 2019-11-12 EP EP19806117.8A patent/EP3883847A1/en active Pending
- 2019-11-12 US US17/274,002 patent/US20210269119A1/en active Pending
- 2019-11-12 JP JP2021528340A patent/JP7358471B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
DE102018219898A1 (en) | 2020-05-28 |
JP7358471B2 (en) | 2023-10-10 |
JP2022507845A (en) | 2022-01-18 |
US20210269119A1 (en) | 2021-09-02 |
WO2020104239A1 (en) | 2020-05-28 |
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