CN109131712A - Bicycle electric rear chiain-moving device - Google Patents

Bicycle electric rear chiain-moving device Download PDF

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Publication number
CN109131712A
CN109131712A CN201710451420.5A CN201710451420A CN109131712A CN 109131712 A CN109131712 A CN 109131712A CN 201710451420 A CN201710451420 A CN 201710451420A CN 109131712 A CN109131712 A CN 109131712A
Authority
CN
China
Prior art keywords
gear
power
elastic component
power gear
moving device
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.)
Withdrawn
Application number
CN201710451420.5A
Other languages
Chinese (zh)
Inventor
蔡文丰
邱龙斐
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.)
TIANXIN INDUSTRY Co Ltd
Tien Hsin Industries Co Ltd
Original Assignee
TIANXIN INDUSTRY Co Ltd
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 TIANXIN INDUSTRY Co Ltd filed Critical TIANXIN INDUSTRY Co Ltd
Priority to CN201710451420.5A priority Critical patent/CN109131712A/en
Publication of CN109131712A publication Critical patent/CN109131712A/en
Withdrawn legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62MRIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M9/00Transmissions characterised by use of an endless chain, belt, or the like
    • B62M9/04Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio
    • B62M9/06Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like
    • B62M9/10Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like involving different-sized wheels, e.g. rear sprocket chain wheels selectively engaged by the chain, belt, or the like
    • B62M9/12Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like involving different-sized wheels, e.g. rear sprocket chain wheels selectively engaged by the chain, belt, or the like the chain, belt, or the like being laterally shiftable, e.g. using a rear derailleur
    • B62M9/121Rear derailleurs
    • B62M9/122Rear derailleurs electrically or fluid actuated; Controls thereof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62MRIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M9/00Transmissions characterised by use of an endless chain, belt, or the like
    • B62M9/04Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio
    • B62M9/06Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like
    • B62M9/10Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like involving different-sized wheels, e.g. rear sprocket chain wheels selectively engaged by the chain, belt, or the like
    • B62M9/12Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like involving different-sized wheels, e.g. rear sprocket chain wheels selectively engaged by the chain, belt, or the like the chain, belt, or the like being laterally shiftable, e.g. using a rear derailleur
    • B62M9/121Rear derailleurs
    • B62M9/124Mechanisms for shifting laterally

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

Abstract

A kind of bicycle electric rear chiain-moving device, include driving unit, gear-box, fixed part, and guide chain portion, gear-box includes elastic component, first power gear, second power gear, first driven gear, and second driven gear, first power gear connects driving unit, first power gear gives the second power gear through elastic component transmitting power, second power gear engages the first driven gear and the second driven gear, fixed part and guide chain portion opposed gear case is driven to rotate respectively through the first driven gear and the second driven gear, the chain of bicycle is stirred whereby, different sprocket wheels is engaged to switch chain, so as to achieving the purpose that gear shift.

Description

Bicycle electric rear chiain-moving device
Technical field
The present invention relates to a kind of rear chiain-moving devices, the bicycle electric rear chiain-moving device being espespecially used in bicycle.
Background technique
For the deep popular feeling and actual dispersion of planting into the whole society, the bicycle for being commonly called as bicycle is exactly one for fitness-for-all movement The movement being popular, not only body-building, and footprint can be made far to touch, it widens the vision to win and read the books of volume ten thousand.
Bicycle designs the sprocket wheel of many different-diameters in response to the landform of different gradient, is engaged in by switching chain Different sprocket wheels, achievees the purpose that gear shift, reaches ideal power output with appropriate amplification torsion, so as to being adapted to a variety of gradients Landform.
It allows hand over chain and is engaged in different sprocket wheels, then need derailleur to stir chain, standard bicycle is to borrow Chain is stirred by purely mechanic principle, cycling in recent years is not only popularized to be moved for masses, is also become a kind of fashion, is Make the more pleasant upgrading of driver's enjoyment controls impression, and it is a kind of ideal mode that derailleur, which is upgraded to motor power,.
If using the concept of gear set come the power of transmission electrical machine, although ideal, if derailleur is by external force collision Or caused by silt particle accumulation stuck at rotary joint, it is possible to therefore the gear assembly inside derailleur is caused therefore to generate Abrasion or generation the case where even collapse tooth, cause derailleur displacement not precisely, lose deflection function or even damage the feelings such as motor Thing occurs.
Therefore, the main purpose of the present invention is to provide a kind of electric rear derailleurs being used in bicycle, to solve The above problem.
Summary of the invention
The purpose of the present invention is providing a kind of bicycle electric rear chiain-moving device, can disperse the improper stress uprushed, avoid tooth Wheel damage, firm and lighting, it is ensured that the smooth degree of gear shift and be substantially improved bicycle control impression.
The present invention relates to a kind of bicycle electric rear chiain-moving devices, for stirring the chain of bicycle, to switch chain and more Sprocket wheel intermeshing in several sprocket wheels, which is the vehicle frame for being fixed on bicycle with one heart.It is dialled after bicycle electric Chain device system includes gear-box, fixed part and guide chain portion.
Gear-box include cabinet, an at least elastic component, the first power gear, the second power gear, the first driven gear, with And second driven gear.Elastic component, the first power gear, the second power gear, the first driven gear and the second driven gear It is all set in cabinet, the first power gear connects driving unit.It is separable between first power gear and the second power gear With elastic component connection and so as to transmitting power, the first end of elastic component is set in the first power gear and the second power gear on ground A power gear, and another first power gear or the second power teeth are set to separably with the second end of elastic component Wheel, the first power gear give the second power gear through elastic component transmitting power.
Second power gear is engaged in the first driven gear with side, and the second power gear is simultaneously engaged in second with the other side Driven gear.Cabinet simultaneously has the first perforation and the second perforation, and first, which perforates, corresponds to the first driven gear, and the second perforation corresponds to Second driven gear.
Fixed part is fixed on vehicle frame, is socketed and axis is connected to the first perforation, energy opposed gear case rotation, fixed part has first Shaft connects the first driven gear.System of guide chain portion can contact chain, be socketed and axis is connected to the second perforation, can opposed gear case turn It is dynamic, there is the second shaft to connect the second driven gear.
Wherein, there is an at least guide chain gear, guide chain gear train to engage adjacent to sprocket wheel and with chain in guide chain portion, guide chain gear Movement will drive chain and switch neighbouring different sprocket wheel.Therefore, fixed part and guide chain portion are rotated, chain and sprocket wheel can be changed Relative position makes chain engage different sprocket wheels, and then achievees the purpose that gear shift.
Further, gear-box further includes motor and transmission mechanism, and motor and transmission mechanism are all arranged in cabinet, electricity The power output axis connection transmission mechanism of machine, transmission mechanism are connected to the first power gear, so that the first power gear connects institute The driving unit stated.
In addition, the first driven gear and the second driven gear may be designed as sector gear, so as to mitigating the weight of part.
Further, the explanation about elastic component is carried out, the first end of elastic component is securable to the first power gear, elastic component Second end be separably incorporated into the second power gear.Wherein, corresponding at least one elastic component tool of the first power gear Have an at least a positioning hole, the second power gear includes gear part and linkage part, gear part with linkage part is concentric is combined, linkage part is put down Distribution has most linked slots, gear part and the first driven gear with and the second driven gear engage.
Elastic component can further include fixed part, elastic portion and fastening part, and fixed part is exactly first end above-mentioned, blocking Portion is exactly second end above-mentioned.Fixed part is affixed to location hole, and elastic portion connects and extend self-fixed department, with multiple knots Structure turnover and longer length are preferred, and fastening part connects and extend from elastic portion, and fastening part can interfere in the grade linked slots One linked slot.So when first power gear or second power gear of the stress excessive accumulation in gear-box, elastic component Fastening part can be sliding out the linked slot of fastening part and snap into next linked slot, therefore the stress of concentrations is just dispersed ?.
Therefore, using a kind of bicycle electric rear chiain-moving device provided by the present invention, the first power is connected to by elastic component Power is transmitted between gear and the second power gear, the improper stress uprushed can be dispersed, avoids gear failure, and by the first quilt Moving gear and the second driven gear are all adopted as the design of sector gear, keep overall structure firm and lighting, also, tie whereby Structure can be combined with electric-motor drive unit, it is ensured that the smooth degree of gear shift, and can be substantially improved bicycle controls impression.
It can be obtained further by detailed description of the invention below and institute's accompanying drawings about the advantages and spirit of the present invention Solution.
Detailed description of the invention
Fig. 1 is the schematic diagram of bicycle electric rear chiain-moving device and sprocket wheel relationship of the present invention;
Fig. 2 is the appearance diagram of bicycle electric rear chiain-moving device of the present invention;
Fig. 3 A is the schematic diagram of part gear inside gear-box of the present invention;
Fig. 3 B is the decomposition diagram of Fig. 3 A;
Fig. 4 A is the schematic diagram of elastic component of the present invention and power gear;
Fig. 4 B is the enlarged drawing of elastic component of the present invention and the second power gear;And
Fig. 5 is the schematic diagram of driving unit of the present invention.
Specific embodiment
Referring to Fig. 1, Fig. 1 is the schematic diagram of bicycle electric rear chiain-moving device 30 and 14 relationship of sprocket wheel of the present invention.Illustrated example Bicycle electric rear chiain-moving device 30 and sprocket wheel 14 in terms of bicycle rear, the present invention relates to a kind of bicycle electric rear chiain-moving devices 30, for stirring the chain 12 of bicycle, it is intermeshed with switching a sprocket wheel 14 in chain 12 and most sprocket wheels 14, it should Equal sprocket wheels 14 are the vehicle frames 16 for being fixed on bicycle with one heart.Bicycle electric rear chiain-moving device 30 is comprising gear-box 32, fixed part 34 and guide chain portion 36.
Gear-box 32 is movably connected with fixed part 34 and guide chain portion 36, and fixed part 34 is fixed on vehicle frame 16, and diagram is solid The other end of 14 power output shaft of sprocket wheel is extended to due to vehicle frame 16, guide chain portion 36 has an at least guide chain gear 3602, guide chain Gear 3602 is neighbouring sprocket wheel 14 and engages with chain 12 that guide chain portion 36 is that chain 12, figure can be contacted through guide chain gear 3602 Guide chain gear 3602 there are two being set in showing.
Referring to Fig. 2, Fig. 2 is the appearance diagram of bicycle electric rear chiain-moving device 30 of the present invention.Fixed part 34 and guide chain Portion 36 is connected to the two different positions of gear-box 32, and guide chain portion 36 has two guide chain gears 3602.Have in gear-box 32 Driving unit and various pitch wheel can drive fixed part 34 and guide chain portion 36, and be flexibly connected gear with it The position of case 32 is rotated as shaft contact, and mobile guide chain gear 3602, changes chain 12 and multiple chains to stir chain 12 The relative position of wheel 14, switching chain 12 engage different sprocket wheels 14, achieve the purpose that gear shift.
Please refer to the schematic diagram that Fig. 3 A and Fig. 3 B, Fig. 3 A are 32 inside part gears of gear-box of the present invention.Fig. 3 B is figure The decomposition diagram of 3A.The gear shown in Fig. 3 A and Fig. 3 B is first to exclude driving unit and directly related with driving unit Gear, under this exclusion condition, gear-box 32 includes that cabinet 40, an at least elastic component 42, the first power gear 44, second are dynamic Powershift gear 45, the first driven gear 46 and the second driven gear 48.
Elastic component 42, the first power gear 44, the second power gear 45, the first driven gear 46 and the second passive tooth Wheel 48 is all set in cabinet 40.First power gear 44 connects driving unit, and it is dynamic that the first end of elastic component 42 is fixed on first A power gear in powershift gear 44 and the second power gear 45, the second end Elastic Contact of elastic component 42 is in the first power teeth Wheel 44 and second another power gear in power gear 45, the first power gear 44 transmit power to the through elastic component 42 Two power gears 45.
Second power gear 45 is engaged in the first driven gear 46 with side, and the second power gear 45 is simultaneously engaged with the other side In the second driven gear 48.From in Fig. 3 B as it can be seen that cabinet 40 and have first perforation 4002h and second perforation 4004h, first Corresponding first driven gear 46 of the 4002h that perforates, the second corresponding second driven gear 48 of perforation 4004h.Wherein, the first driven gear 46 and second driven gear 48 be all that sector gear is preferred respectively, under the situation for not lowering effect, whole weight can be mitigated Amount.
Cooperating Fig. 1, described in 2, fixed part 34 is affixed to vehicle frame 16, and it is socketed and axis is connected to the first perforation 4002h, opposite tooth Roller box 32 rotates, and there is fixed part 34 first shaft 50 to connect the first driven gear 46.Guide chain portion 36 is to contact chain 12, set It connects and axis is connected to the second perforation 4004h, also opposed gear case 32 rotates, and there is the second shaft 52 to connect the second driven gear 48.
Then, when the first power gear 44 rotates, the second power gear 45, elastic component 42 can be driven through elastic component 42 It can disperse the stress of moment concentration.It is passive that second power gear 45 of rotation can rotate the first driven gear 46 and second simultaneously Gear 48 will also rotate fixed part 34 and guide chain portion 36 simultaneously.Since fixed part 34 is fixed on vehicle frame 16, so, by The combination of fixed part 34 and the 36 two different directions components in guide chain portion, so that it may which the guide chain gear 3602 for controlling guide chain portion 36 is stirred Chain 12 arrives opposite sprocket wheel 14 to correct position, achievees the purpose that gear shift.
Please refer to the schematic diagram that Fig. 4 A and Fig. 4 B, Fig. 4 A are elastic component 42 and power gear of the present invention.Fig. 4 B is this hair The enlarged drawing of bright elastic component 42 and the second power gear 45.At least one corresponding described elastic component 42 of first power gear 44 has At least a positioning hole 4402h, there are four elastic component 4 and four location hole 4402h, the second power gear 45 packets for tool in illustrated example Containing gear part 4502 and linkage part 4504, gear part 4502 and the concentric combination of linkage part 4504, linkage part 4504 is provided with more Several linked slot 4504S, gear part 4502 and the first driven gear 46 with and the second driven gear 48 engage.Elastic component 42 includes Fixed part 4202, elastic portion 4204 and fastening part 4206, the first end of aforementioned elastic parts 42 are fixed part 4202, elastic component 42 Second end be fastening part 4206.Elastic component 42 is fixed on the first power gear 44, bullet with fixed part 4202 in this illustrated example Property part 42 with the elasticity of elastic portion 4204 and be separably incorporated into the second power gear 45.
Fixed part 4202 is insertion to be fixed on location hole 4402h, and elastic portion 4204 connects and extend self-fixed department 4202, Fastening part 4206 connects and extends from elastic portion 4204, and there are four turnovers with self-fixed department 4202 for the tool of elastic portion 4204 in illustrated example Fastening part 4206 is extended to, because multiple turnovers there can be enough length, and has sufficient elastic effect.Fastening part 4206 The linked slot 4504S that can be set in grade linked slots 4504S.When the moment stress that elastic component 42 is subjected to is greater than energy load Elastic force when, fastening part 4206 can slip originally where linked slot 4504S, slided into along the outer rim of linkage part 4504 next Linked slot 4504S, therefore, the stress uprushed will be released, and reduce the injury to gear.
Referring to Fig. 5, Fig. 5 is the schematic diagram of driving unit of the present invention.Driving unit of the invention is motor 60, such as aforementioned Bicycle electric rear chiain-moving device 30, wherein gear-box 32 can more further include motor 60 and transmission mechanism 62, motor 60 and transmission mechanism 62 be all arranged in cabinet 40, motor 60 receives electric power to generate power, and electric power can be for example from electricity Pond.The power output axis connection transmission mechanism 62 of motor 60, transmission mechanism 62 are connected to the first power gear 44, so that first is dynamic Powershift gear 44 is connected to driving unit.
Transmission mechanism 62 is possible there are many implementing, to contain worm gear, worm screw and many gears for legend, because of its implementation Mode multiplicity, but this case technical characteristic is not influenced, as long as transmission mechanism 62 reliably has 60 driving force of motor in small space Effect is transferred to the first power gear 44, and no longer redundant later in this.Wherein linkage part 4504 and gear part of the invention 4502 can also be integrally formed structures.
Therefore, using a kind of bicycle electric rear chiain-moving device 30 provided by the present invention, first is connected to by elastic component 42 Power is transmitted between power gear 44 and the second power gear 45, the improper stress uprushed can be dispersed, avoid gear failure, and borrow It is all adopted as the design of sector gear by the first driven gear 46 and the second driven gear 48, keeps overall structure firm and lightweight Change, also, structure can be combined with 60 driving unit of motor whereby, it is ensured that the smooth degree of gear shift, and bicycle can be substantially improved Control impression.
By the above detailed description of preferred embodiments, it is intended to more clearly describe feature and spirit of the invention, And not scope of the invention is limited with above-mentioned disclosed preferred embodiment.On the contrary, the purpose is to uncommon Various changes can be covered and have being arranged in the scope of the claim to be applied of the invention of equality by hoping.

Claims (8)

1. a kind of bicycle electric rear chiain-moving device, characterized by comprising:
Fixed part is fixed on the vehicle frame;
Guide chain portion can contact the chain;
Cabinet, it includes gear-boxes, and the gear-box includes the first power gear, the second power gear, at least an elastic component, the One driven gear and the second driven gear, wherein be between first power gear and second power gear separably with The elastic component connects and so as to transmitting power, and the first end of the elastic component is set to first power gear and second power teeth One of wheel, and another first power gear or second power are set to separably with the second end of the elastic component Gear, and second power gear is engaged in first driven gear and second driven gear respectively;And
Driving unit is connected to first power gear and first power gear and second power gear is driven to rotate.
2. bicycle electric rear chiain-moving device as described in claim 1, which is characterized in that the driving unit further include motor and Transmission mechanism, the power output axis connection of the motor transmission mechanism, the transmission mechanism are connected to first power gear, so that The first power gear actuation, and make the fixed part and the guide chain portion relative to the body pivot.
3. bicycle electric rear chiain-moving device as described in claim 1, which is characterized in that the cabinet and have first perforation and Second perforation, the fixed part be set to this first perforation side, and with the first shaft connect first driven gear in this first The other side of perforation;The guide chain portion is set to biperforate side, and connects second driven gear in this with the second shaft Biperforate other side.
4. bicycle electric rear chiain-moving device as described in claim 1, which is characterized in that first driven gear and second quilt Moving gear is all sector gear.
5. bicycle electric rear chiain-moving device as described in claim 1, which is characterized in that the first end of the elastic component is fixed on First power gear, the second end of the elastic component are separably incorporated into second power gear.
6. bicycle electric rear chiain-moving device as claimed in claim 5, which is characterized in that the elastic component includes fixed part, elasticity Portion and fastening part, wherein at least one corresponding described elastic component of first power gear has at least a positioning hole;This is second dynamic Powershift gear includes gear part and linkage part, the gear part with the linkage part is concentric is combined, which uniformly has most a companies Dynamic slot, the fixed part are affixed to the location hole, which connects and extend from the fixed part, which connects and extend From the elastic portion, which is separably equipped in one of those linked slots.
7. bicycle electric rear chiain-moving device as described in claim 1, which is characterized in that the guide chain portion has an at least guide chain tooth Wheel, the guide chain gear train are engaged with the chain.
8. bicycle electric rear chiain-moving device as claimed in claim 6, which is characterized in that the linkage part is one with the gear part Molding structure.
CN201710451420.5A 2017-06-15 2017-06-15 Bicycle electric rear chiain-moving device Withdrawn CN109131712A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710451420.5A CN109131712A (en) 2017-06-15 2017-06-15 Bicycle electric rear chiain-moving device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710451420.5A CN109131712A (en) 2017-06-15 2017-06-15 Bicycle electric rear chiain-moving device

Publications (1)

Publication Number Publication Date
CN109131712A true CN109131712A (en) 2019-01-04

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ID=64829792

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710451420.5A Withdrawn CN109131712A (en) 2017-06-15 2017-06-15 Bicycle electric rear chiain-moving device

Country Status (1)

Country Link
CN (1) CN109131712A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6135904A (en) * 1998-10-28 2000-10-24 Guthrie; Ryan G. Bicycle derailleur chain damper
CN104843137A (en) * 2014-02-18 2015-08-19 天心工业股份有限公司 Electric rear leading chain
CN105987144A (en) * 2015-02-25 2016-10-05 南京德朔实业有限公司 Garden-class tool and drive system thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6135904A (en) * 1998-10-28 2000-10-24 Guthrie; Ryan G. Bicycle derailleur chain damper
CN104843137A (en) * 2014-02-18 2015-08-19 天心工业股份有限公司 Electric rear leading chain
CN105987144A (en) * 2015-02-25 2016-10-05 南京德朔实业有限公司 Garden-class tool and drive system thereof

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Application publication date: 20190104

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