CN104527899A - Double-crank connecting rod reciprocating bicycle - Google Patents
Double-crank connecting rod reciprocating bicycle Download PDFInfo
- Publication number
- CN104527899A CN104527899A CN201410733747.8A CN201410733747A CN104527899A CN 104527899 A CN104527899 A CN 104527899A CN 201410733747 A CN201410733747 A CN 201410733747A CN 104527899 A CN104527899 A CN 104527899A
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- China
- Prior art keywords
- wheel
- shaft
- connecting rod
- chain
- gear
- 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.)
- Granted
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- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 230000007704 transition Effects 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 abstract description 3
- 230000008859 change Effects 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
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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
- B62M1/00—Rider propulsion of wheeled vehicles
- B62M1/24—Rider propulsion of wheeled vehicles with reciprocating levers, e.g. foot levers
- B62M1/26—Rider propulsion of wheeled vehicles with reciprocating levers, e.g. foot levers characterised by rotary cranks combined with reciprocating levers
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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
-
- 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
- B62M9/00—Transmissions characterised by use of an endless chain, belt, or the like
- B62M9/04—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio
- B62M9/06—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like
- B62M9/08—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like involving eccentrically- mounted or elliptically-shaped driving or driven wheel; with expansible driving or driven wheel
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a double-crank connecting rod reciprocating bicycle, including a double-crank connecting rod mechanism and a speed variator, wherein the double-crank connecting rod mechanism includes a fixed chain wheel, a chain, a chain wheel, a chain wheel shaft, chain wheel seats, an eccentric wheel, an eccentric shaft, a frame connector, a central shaft, a connecting rod and a lever; the fixed chain wheel is fixedly connected with a cylindrical part on the frame connector by a flat key, the chain is connected with the fixed chain wheel and the chain wheel, the chain wheel and the chain wheel shaft are fixedly installed between the chain wheel seats, one end of the chain wheel shaft is fixedly connected with the eccentric wheel, the eccentric shaft is fixed at the eccentric center of the eccentric wheel and movably connected with the connecting rod, the other end of the connecting rod is movably connected with the lever, and the middle front part of the lever is movable connected with the frame; the bicycle is novel and unique in whole design; and the bicycle which is brand new, reliable in work, simple in structure, high in transmission efficiency, long in service life, comfort and stable in riding is provided.
Description
Technical field
The present invention relates to bicycle art, specifically the reciprocal bicycle of a kind of double crank connecting rod.
Background technology
Existing bicycle, along with the development in epoch, has had very large improvement to the external form of bicycle, manufactured materials, transmission system, but drives core not change, and is the garden Zhou Yundong of wheel by the garden Zhou Yundong of pedal.The CN103204213A having done significant improvement for above-mentioned defect discloses lever reciprocating driver train and comprises its bicycle, has thoroughly abandoned axis and associated components, instead of traditional type of drive with the up-and-down movement of both feet.Propose from principle and solve crank drive configuration Problems existing with lever ratchet device, but its structure is still more complicated and accuracy requirement is high, difficulty is repaired in adjustment.
Summary of the invention
The object of the present invention is to provide the reciprocal bicycle of a kind of double crank connecting rod, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the invention provides following technical scheme:
The reciprocal bicycle of a kind of double crank connecting rod, comprise drag link and transmission system, described drag link comprises fixed chain wheels, chain, sprocket wheel, sprocket shaft, chain pulley seat, eccentric wheel, camshaft, vehicle frame connector, center shaft, connecting rod and lever, described fixed chain wheels is fixedly connected with the column part flat key on vehicle frame connector, described chain is connected with fixed chain wheels and sprocket wheel respectively, described sprocket wheel and sprocket shaft are fixedly installed between chain pulley seat, one end of described sprocket shaft is fixedly connected with eccentric wheel, the off-centered position of described eccentric wheel is fixedly connected with eccentric shaft, described camshaft is flexibly connected with connecting rod, the other end of described connecting rod is flexibly connected with lever, its middle forward position of described lever is flexibly connected with vehicle frame, and described chain pulley seat is divided into a left side, right two parts, described fixed chain wheels, chain, sprocket wheel, sprocket shaft is placed in the middle of chain pulley seat, and chain pulley seat left part is flexibly connected with vehicle frame connector, is fixedly connected with on the right side of chain pulley seat with one end of center shaft, and described drag link is divided into a left side, right two groups, described transmission system comprises rear-wheel hub, pinion stand, driving gear, driven gear, transition gear, gear wheel shaft, driven wheel, gear shaft and free-wheel clutch, described rear-wheel hub is left and right two parts, and described transmission system is placed in rear-wheel hub, and described pinion stand is left, right two parts, described driven gear and transition gear are placed in the middle of pinion stand, and pinion stand middle part left part is enclosed within gear shaft, and right part flat key is fixedly connected with vehicle frame connector, described driving gear is fixedly connected with center shaft, described driven gear, transition gear is fixedly connected with gear wheel shaft, be movably placed between pinion stand, described driven wheel is fixedly connected with gear shaft screw thread, driven wheel activity is placed on center shaft, its internal diameter of described free-wheel clutch is fixedly connected with gear shaft, and its external diameter of free-wheel clutch is fixedly connected with rear-wheel hub.
As the further scheme of the present invention: described camshaft and sprocket wheel are integral type structure.
As the present invention's further scheme: described fixed chain wheels, chain, sprocket wheel, sprocket shaft, eccentric wheel, camshaft and chain pulley seat bolt are fixed as one.
As the present invention's further scheme: the left-right parts of described drag link is fixed as one by vehicle frame connector and center shaft.
As the present invention's further scheme: described rear-wheel hub centre is flexibly connected with vehicle frame connector.
Compared with prior art, the invention has the beneficial effects as follows: present invention employs drag link principle of work, in the rotation process of crank, utilize sprocket wheel that eccentric shaft is also rotated thereupon, change the distance of eccentric shaft and center shaft, solve the dead unit problem of piston crank mechanism, complete the crank motion of lever, the present invention has thoroughly abandoned axis and associated components, change the angle of obliquity of former driver train, extend lever length, change body frame structure for automotive, cushion structure, lower the center of gravity, adopt sealing gear transmission, make the moulded novel unique of bicycle, provide a kind of completely newly, reliable operation, structure is simple, transmission ratio is high, long service life, the bicycle that comfortable riding is stable.
Accompanying drawing explanation
Fig. 1 is the structural representation of the reciprocal bicycle of a kind of double crank of the present invention connecting rod.
Fig. 2 is the back view of the reciprocal bicycle of a kind of double crank of the present invention connecting rod.
Fig. 3 is the Local map of the reciprocal bicycle of a kind of double crank of the present invention connecting rod.
Fig. 4 is the left view of the reciprocal bicycle of a kind of double crank of the present invention connecting rod.
In figure: 1-fixed chain wheels, 2-chain, 3-sprocket wheel, 4-sprocket shaft, 5-chain pulley seat, 6-eccentric wheel, 7-camshaft, 8-vehicle frame connector, 9-center shaft, 10-connecting rod, 11-lever, 12-vehicle frame, 13-rear-wheel hub, 14-pinion stand, 15-driving gear, 16-driven gear, 17-transition gear, 18-gear wheel shaft, 19-driven wheel, 20-gear shaft, 21-free-wheel clutch.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1 ~ 4, in the embodiment of the present invention, the reciprocal bicycle of a kind of double crank connecting rod, comprise drag link and transmission system, described drag link comprises fixed chain wheels 1, chain 2, sprocket wheel 3, sprocket shaft 4, chain pulley seat 5, eccentric wheel 6, camshaft 7, vehicle frame connector 8, center shaft 9, connecting rod 10 and lever 11, described fixed chain wheels 1 is fixedly connected with the column part flat key on vehicle frame connector 8, described chain 2 is connected with fixed chain wheels 1 and sprocket wheel 3 respectively, described sprocket wheel 3 is fixedly connected with sprocket shaft 4, be placed between chain pulley seat 5, one end of described sprocket shaft 4 is fixedly connected with eccentric wheel 6, the described off-centered position of eccentric wheel 6 is fixedly connected with camshaft 7, described camshaft 7 is flexibly connected with connecting rod 10, the other end of described connecting rod 10 is flexibly connected with lever 11, its middle forward position of described lever 11 is flexibly connected with vehicle frame 12, described chain pulley seat 5 is divided into a left side, right two parts, chain pulley seat 5 is by fixed chain wheels 1, chain 2, sprocket wheel 3 is placed in centre, be fixed as one with bolt, chain pulley seat 5 left part is flexibly connected with vehicle frame connector 8, be fixedly connected with one end of center shaft 9 on the right side of chain pulley seat 5, described drag link is divided into a left side, right two groups, and by vehicle frame connector 8, center shaft 9 is fixed as one, while lever 11 promotes connecting rod 10 downwards and sprocket wheel 3 makes chain pulley seat 5 rotate, on the one hand, the center shaft 9 that rotates through of right side chain pulley seat 5 drives left side chain pulley seat 5 to rotate simultaneously, lever 11 is appeared on the stage formation crank motion, on the other hand, under the effect of sprocket wheel 3, along with the rotation of chain pulley seat 5, camshaft 7 also produces rotation, thus when upper, during bottom dead point, the center of camshaft 7 displaced central axis 9.
Described transmission system comprises rear-wheel hub 13, pinion stand 14, driving gear 15, driven gear 16, transition gear 17, gear wheel shaft 18, driven wheel 19, gear shaft 20 and free-wheel clutch 21, described rear-wheel hub 13 is left and right two parts, among each parts of transmission system are placed in, its centre is flexibly connected with vehicle frame connector 8 respectively, and freely rotate on vehicle frame connector 8, described pinion stand 14 is left, right two parts, driven gear 16 and transition gear 17 are placed in centre, position, intermediate portion left part is enclosed within gear shaft 20, right part flat key is fixedly connected with vehicle frame connector 8, described driving gear 15 is fixedly connected with center shaft 9, described driven gear 16, transition gear 17 is fixedly connected with gear wheel shaft 18, be movably placed between pinion stand 14, described driven wheel 19 is fixedly connected with screw thread with gear shaft 20, driven wheel 19 activity is placed on center shaft 9, described its internal diameter of free-wheel clutch 21 is fixedly connected with gear shaft 20, its external diameter of free-wheel clutch 21 is fixedly connected with rear-wheel hub 13, described transmission system is by the rotation of center shaft 9 together with driving gear 15, drive driven gear 16, driven gear 16 passes to transition gear 17, transition gear 17 drives driven wheel 19, driven wheel 19 makes rear-wheel hub 13 rotate by free-wheel clutch 21.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this specification sheets is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of specification sheets is only for clarity sake, those skilled in the art should by specification sheets integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
Claims (5)
1. the reciprocal bicycle of double crank connecting rod, it is characterized in that, comprise drag link and transmission system, described drag link comprises fixed chain wheels (1), chain (2), sprocket wheel (3), sprocket shaft (4), chain pulley seat (5), eccentric wheel (6), camshaft (7), vehicle frame connector (8), center shaft (9), connecting rod (10) and lever (11), described fixed chain wheels (1) is fixedly connected with the column part flat key on vehicle frame connector (8), described chain (2) is connected with fixed chain wheels (1) and sprocket wheel (3) respectively, described sprocket wheel (3) and sprocket shaft (4) are fixedly installed between chain pulley seat (5), one end of described sprocket shaft (4) is fixedly connected with eccentric wheel (6), described eccentric wheel (6) off-centered position is fixedly connected with eccentric shaft (7), described camshaft (7) is flexibly connected with connecting rod (10), the other end of described connecting rod (10) is flexibly connected with lever (11), its middle forward position of described lever (11) is flexibly connected with vehicle frame (12), described chain pulley seat (5) is divided into a left side, right two parts, described fixed chain wheels (1), chain (2), sprocket wheel (3) is placed in the middle of chain pulley seat (5), chain pulley seat (5) left part is flexibly connected with vehicle frame connector (8), chain pulley seat (5) right side is fixedly connected with one end of center shaft (9), described drag link is divided into a left side, right two groups, described transmission system comprises rear-wheel hub (13), pinion stand (14), driving gear (15), driven gear (16), transition gear (17), gear wheel shaft (18), driven wheel (19), gear shaft (20) and free-wheel clutch (21), described rear-wheel hub (13) is left and right two parts, described transmission system is placed in rear-wheel hub (13), described pinion stand (14) is left, right two parts, described driven gear (16) and transition gear (17) are placed in the middle of pinion stand (14), pinion stand (14) middle part left part is enclosed within gear shaft (20), right part flat key is fixedly connected with vehicle frame connector (8), described driving gear (15) is fixedly connected with center shaft (9), described driven gear (16), transition gear (17) is fixedly connected with gear wheel shaft (18), be movably placed between pinion stand (14), described driven wheel (19) is fixedly connected with screw thread with gear shaft (20), driven wheel (19) activity is placed on center shaft (9), described free-wheel clutch (21) its internal diameter is fixedly connected with gear shaft (20), free-wheel clutch (21) its external diameter is fixedly connected with rear-wheel hub (13).
2. the reciprocal bicycle of double crank connecting rod according to claim 1, is characterized in that, described camshaft (7) and sprocket wheel (3) are integral type structure.
3. the reciprocal bicycle of double crank connecting rod according to claim 1, it is characterized in that, described fixed chain wheels (1), chain (2), sprocket wheel (3), sprocket shaft (4), eccentric wheel (6), camshaft (7) and chain pulley seat (5) are fixed as one with bolt.
4. the reciprocal bicycle of double crank connecting rod according to claim 1, is characterized in that, the left-right parts of described drag link is fixed as one by vehicle frame connector (8) and center shaft (9).
5. the reciprocal bicycle of double crank connecting rod according to claim 1, is characterized in that, described rear-wheel hub (13) centre is flexibly connected with vehicle frame connector (8).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410733747.8A CN104527899B (en) | 2014-11-28 | 2014-11-28 | A kind of reciprocal bicycle of double-crank connecting rod |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410733747.8A CN104527899B (en) | 2014-11-28 | 2014-11-28 | A kind of reciprocal bicycle of double-crank connecting rod |
Publications (2)
Publication Number | Publication Date |
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CN104527899A true CN104527899A (en) | 2015-04-22 |
CN104527899B CN104527899B (en) | 2017-07-21 |
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CN201410733747.8A Expired - Fee Related CN104527899B (en) | 2014-11-28 | 2014-11-28 | A kind of reciprocal bicycle of double-crank connecting rod |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106314656A (en) * | 2016-08-22 | 2017-01-11 | 胡章地 | Lever-type folding bicycle |
CN107140101A (en) * | 2017-06-09 | 2017-09-08 | 廖绪森 | Bicycle driver is stepped on above and below high speed compact |
CN107618610A (en) * | 2017-09-28 | 2018-01-23 | 蒋茂发 | A kind of bicycle |
CN110239296A (en) * | 2019-07-08 | 2019-09-17 | 赛青松 | Differential mechanism dual shaft lever driving bicycle, electric bicycle |
CN110282064A (en) * | 2019-07-26 | 2019-09-27 | 张新金 | A kind of labour-saving bicycle |
CN110843992A (en) * | 2019-12-16 | 2020-02-28 | 张新金 | Power-saving bicycle |
CN111086596A (en) * | 2019-12-30 | 2020-05-01 | 六壹八技术(深圳)有限公司 | Bicycle with a wheel |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111038640A (en) * | 2020-01-15 | 2020-04-21 | 蔡楚盛 | Step-type weight-driven chainless lever labor-saving power device |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2233885Y (en) * | 1995-05-08 | 1996-08-28 | 刘勤勇 | Lever driving bicycle by man power |
CN2290544Y (en) * | 1996-11-27 | 1998-09-09 | 张玉德 | pedal lever type power device |
CN2552802Y (en) * | 2002-05-08 | 2003-05-28 | 甄冠忠 | Gear driving variable speed scooter |
US20100320718A1 (en) * | 2008-09-01 | 2010-12-23 | Martin Buchberger | Drive Mechanism for a Vehicle Propellable by Muscle Power and Vehicle |
CN102114890A (en) * | 2011-01-29 | 2011-07-06 | 吴刚 | Multifunctional stationary bike |
CN103204213A (en) * | 2013-02-25 | 2013-07-17 | 胡章地 | Lever reciprocating driving mechanism and bicycle comprising same |
-
2014
- 2014-11-28 CN CN201410733747.8A patent/CN104527899B/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2233885Y (en) * | 1995-05-08 | 1996-08-28 | 刘勤勇 | Lever driving bicycle by man power |
CN2290544Y (en) * | 1996-11-27 | 1998-09-09 | 张玉德 | pedal lever type power device |
CN2552802Y (en) * | 2002-05-08 | 2003-05-28 | 甄冠忠 | Gear driving variable speed scooter |
US20100320718A1 (en) * | 2008-09-01 | 2010-12-23 | Martin Buchberger | Drive Mechanism for a Vehicle Propellable by Muscle Power and Vehicle |
CN102114890A (en) * | 2011-01-29 | 2011-07-06 | 吴刚 | Multifunctional stationary bike |
CN103204213A (en) * | 2013-02-25 | 2013-07-17 | 胡章地 | Lever reciprocating driving mechanism and bicycle comprising same |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106314656A (en) * | 2016-08-22 | 2017-01-11 | 胡章地 | Lever-type folding bicycle |
CN106314656B (en) * | 2016-08-22 | 2018-09-25 | 胡章地 | A kind of lever folding bicycle |
CN107140101A (en) * | 2017-06-09 | 2017-09-08 | 廖绪森 | Bicycle driver is stepped on above and below high speed compact |
CN107618610A (en) * | 2017-09-28 | 2018-01-23 | 蒋茂发 | A kind of bicycle |
CN110239296A (en) * | 2019-07-08 | 2019-09-17 | 赛青松 | Differential mechanism dual shaft lever driving bicycle, electric bicycle |
CN110282064A (en) * | 2019-07-26 | 2019-09-27 | 张新金 | A kind of labour-saving bicycle |
CN110843992A (en) * | 2019-12-16 | 2020-02-28 | 张新金 | Power-saving bicycle |
CN111086596A (en) * | 2019-12-30 | 2020-05-01 | 六壹八技术(深圳)有限公司 | Bicycle with a wheel |
CN111086596B (en) * | 2019-12-30 | 2021-10-19 | 六壹八技术(深圳)有限公司 | Bicycle with a wheel |
Also Published As
Publication number | Publication date |
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CN104527899B (en) | 2017-07-21 |
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