CN105857507A - Novel bicycle internal transmission hub - Google Patents

Novel bicycle internal transmission hub Download PDF

Info

Publication number
CN105857507A
CN105857507A CN201610314395.1A CN201610314395A CN105857507A CN 105857507 A CN105857507 A CN 105857507A CN 201610314395 A CN201610314395 A CN 201610314395A CN 105857507 A CN105857507 A CN 105857507A
Authority
CN
China
Prior art keywords
gear
power
input
group
planetary 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.)
Pending
Application number
CN201610314395.1A
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Chinese (zh)
Inventor
何玉林
叶梓龙
罗家兴
于浩烜
潘安泉
饶裕
莫小章
张天恩
李金峰
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Guilin University of Electronic Technology
Original Assignee
Guilin University of Electronic Technology
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 Guilin University of Electronic Technology filed Critical Guilin University of Electronic Technology
Priority to CN201610314395.1A priority Critical patent/CN105857507A/en
Publication of CN105857507A publication Critical patent/CN105857507A/en
Pending 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
    • B62M11/00Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels
    • B62M11/04Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio
    • B62M11/14Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with planetary gears
    • B62M11/18Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with planetary gears with a plurality of planetary gear units

Abstract

The invention discloses a novel internal transmission hub which comprises a hub body supporting mechanism, a power input mechanism, a first set of planetary gear mechanism, an intermediate power transmission mechanism, a second set of planetary gear mechanism, a power output mechanism and a center shaft transmission mechanism. The structure of the internal transmission hub is simplified, gears of the internal transmission hub are added, the weight of the internal transmission hub is decreased, a control transmission composite cam is arranged to be matched with motions of an execution assembly, the gear shifting operation of a bicycle is easier, more convenient and more accurate, meanwhile, the novel internal transmission hub can be applicable to bicycles of different styles, and practicability of an internal transmission is effectively improved.

Description

A kind of new bicycle internal speed-changing flower-drum
Technical field
The present invention relates to bicycle shift field, be specially a kind of new bicycle internal speed-changing flower-drum.
Background technology
Traditional outer variable speed hub is emerging in outside, can directly contact extraneous rainwater, earth, greasy dirt etc., need periodically cleaning maintenance;Needing chain to move ability speed change, chain is more loose, and intensity is low, and the life-span is short;Cannot stop speed change, when being in difficulty in starting after high gear stops in emergency again;Need chain tightener, be easily subject to when riding and carry clash into infringement;Gear ratio has overlap, and gear percentage in use is the highest, and speed change is experienced bad.And internal speed-changing flower-drum is in inside sealing and lubricant, external structure is succinct, it is possible to use chain lid, and chain will not shifted laterally, it is not required that front group and multi-disc chain wheel;Failure rate is low, maintenance period length and also safeguard simple;The bulging ear becoming flower-drum in additionally is big and symmetrical, and spoke shorter adds the intensity of rear wheels.
The shell of internal speed-changing flower-drum is as outfan, flywheel, as input, changes obtain different gear ratios by changing internal structure, be a kind of form in multi-speed bicycle gear, it is generally used in travel frequently vehicle or some functional small wheel bicycles it can also be used on mountain bike or highway car.
Internal speed-changing flower-drum slewing range is wide, and failure rate is low has higher gear percentage in use.By the structural analysis to existing most advanced internal speed-changing flower-drum, design and a there is the bicycle internal speed-changing flower-drum that slewing range is wider, gear ratio is more excellent.
Summary of the invention
The invention aims to provide a kind of flower-drum being applicable to bicycle internal speed-changing, by External Force Acting on flywheel, gear change gear ratio, transfer torque on the housing of flower-drum, driven vehicle wheel rotation by spoke again, reach variable speed operation simple, the purpose that transmission effect is high.
To achieve these goals, technical scheme is as follows:
A kind of new bicycle internal speed changer, the power input mechanism including flower-drum body supports mechanism and being arranged on this supporting mechanism, first group of planetary gears, intermediate power drive mechanism, second group of planetary gears, power take-off mechanism and central-axle speed variator.The input of power input mechanism is connected with flywheel, and the input of outfan and first group of planetary gear mechanism connects;The outfan of the input of intermediate power drive mechanism and first group of planetary gear mechanism connects, and the input of outfan and second group of planetary gear mechanism connects;The outfan of the input of power take-off mechanism and second group of planetary gear mechanism connects, and outfan is connected with wheel flower-drum lid.
Described central-axle speed variator includes that one is handled assembly and several executive modules.Handle assembly to be arranged on axis, be a speed change multiple mounted cam;Executive module is arranged on inside the ring gear of planetary gear mechanism, this executive module includes four straight pins, three little promotion grooves, a big promotion groove and four cam followers, wherein, straight pin can moving axially along main shaft, promoting groove to be connected with each power-transmitting part, each power-transmitting part can rotate in promoting groove.
Described cam follower one end and inner ring gear clutch, the other end contacts with speed change multiple mounted cam.
Described speed change multiple mounted cam is connected realization and rotates with steel cable.
During use: power acts on flywheel, by power input mechanism, first transfer torque to first group of planetary gear, power drive mechanism be delivered to two groups of epicyclic gears, transferred torque to, on the housing of flower-drum, drive vehicle wheel rotation by spoke by power take-off mechanism again.During speed governing, rotate gear change hand lever, make regulation steel cable drive speed change multiple mounted cam to rotate, gear can be made to produce different gear ratios, thus reach the purpose of speed change.
Internal speed-changing flower-drum of the present invention utilizes transmission at different levels between flower-drum internal planetary gear to carry out speed governing, internal gear precision-fit, can reach higher work efficiency, and smoother speed change transition.Compact conformation, effectively make use of limited space, makes flower-drum itself lighter, symmetrical flower-drum housing, makes spoke intensity higher.
Accompanying drawing explanation
Fig. 1 is the structural representation of apparatus of the present invention;
Fig. 2 is the installation diagram of apparatus of the present invention;
Fig. 3 is that the A-A of Fig. 2 is to enlarged diagram;
Fig. 4 is that the B-B of Fig. 2 is to enlarged diagram;
Fig. 5 is the explosive view of apparatus of the present invention.
nullIn figure: 1. flower-drum housing, 2., clutch shaft bearing, 3. the second bearing, 4., 3rd bearing, 5. the 4th bearing, 6. the 5th bearing, 7., nut, 8., axis, 9. power input part, 10., flywheel, 11. power input drive disk assemblies, 12. first straight pins, 13. first little promotion grooves, 14. first gear frame drive disk assemblies, 15. first tooth rest drive disk assemblies, 16. planetary gear axles, 17. self-lubricating bearings, 18.21-26 the gear of tooth, 19. second little promotion grooves, 20. intermediate power driven transmission parts, 21. the second tooth rest drive disk assembly, 22. second straight pins, 23. second gear frame drive disk assemblies, 24. the 3rd gear frame drive disk assembly, 25. the 3rd straight pin, 26. intermediate power drive disk assemblies, 27. the 3rd tooth rest drive disk assemblies, 28., 3rd little promotion groove, 29. the 4th tooth rest drive disk assemblies, 30. power output slave unit, 31. the 4th gear frame drive disk assembly, 32. power output drive disk assembly, 33. power output movable part, 34. springs, 35. promote greatly groove, 36. flower-drum drive disk assemblies, 37. flower-drum lids, 38. the 4th straight pin, 39. speed change multiple mounted cams, 40. structure support tubes, 41. the 6th bearing, 42. the 7th bearing, 43.46 the gear of tooth, 44.37 the gear of tooth, 45. third pinion frame brackets, 46. first planet tooth rests, 47. screws, 48.86 the inner wheel frame of tooth, 49. self-lubricating bearings, 50.20-29 the gear of tooth, 51. planetary gear axles, 52.95 the internal gear of tooth, 53. the first gear wheel frame bracket, 54. second largest gear frame bracket, 55.92 the internal gear of tooth, 56. second pinion frames, 57.87 the internal gear of tooth, 58.40 the gear of tooth, 59.45 the gear of tooth, 60. two pinion frame bracket, 61. position-limitting pins, 62. cam followers, 63. spacing copper sheathings, 64. wind springs, 65. gearshift adjustment positioning elements, 66. holding screws.
Detailed description of the invention
Below in conjunction with the accompanying drawings the present invention is elaborated.
With reference to Fig. 1-5, the flower-drum housing (1) of a kind of new bicycle internal speed-changing flower-drum, flower-drum lid (37) are fastenedly connected by 8 screws (47), nut (7) plays fixation, axis (8) rises and supports and fixation, flower-drum housing (1), flower-drum lid (37), nut (7), axis (8) and 8 screws (47) constitute flower-drum body supports mechanism, and wherein flower-drum housing (1) is connected with wheel by spoke;(2), (3), (4), (5), (6), (41), (42) are respectively rolling bearing;Power input part (9) and flywheel (10) threaded engagement, by power transmission to power input drive disk assembly (11), power input part (9), flywheel (10), power input drive disk assembly (11) form power input mechanism;nullFirst straight pin (12)、Second straight pin (22)、3rd straight pin (25)、4th straight pin (38) respectively with the first little promotion groove (13)、Second little promotion groove (19)、3rd little promotion groove (28)、Promote greatly groove (35) interference fits,Coordinate with structure support tube (40) notch,First straight pin (12)、Second straight pin (22)、3rd straight pin (25)、4th straight pin (38) bottom is connected with the face of cylinder cam small-gap suture of speed change multiple mounted cam,Power input drive disk assembly (11)、Intermediate power driven transmission parts (20)、Intermediate power drive disk assembly (26)、Power output drive disk assembly (32) is coordinated with each promotion groove small-gap suture by 6 position-limitting pins (61),By the first straight pin (12)、Second straight pin (22)、3rd straight pin (25)、4th straight pin (38) controls the position of each promotion groove,Thus control the position of each drive disk assembly;First gear frame drive disk assembly (14), the second gear frame drive disk assembly (23), the 3rd gear frame drive disk assembly (24), the 4th gear frame drive disk assembly (31) respectively with two pinion frame bracket (60), the third-largest gear frame bracket (54), the first gear wheel frame bracket (53), two pinion frame bracket (45) interference fit, when the drive disk assemblies such as power input drive disk assembly (11) are in contact with it, play transmission dynamic action;First tooth rest drive disk assembly (15), the second tooth rest drive disk assembly (21), the 3rd tooth rest drive disk assembly (27), the 4th tooth rest drive disk assembly (29) and the second pinion frame (56), first planet tooth rest (46) interference fit, its effect is identical with gear frame drive disk assembly;Planetary gear axle (16), self-lubricating bearing (17) is arranged on the second pinion frame (56) with the gear (18) of 21-26 tooth, first gear frame drive disk assembly (14), second gear frame drive disk assembly (23), first tooth rest drive disk assembly (15), second tooth rest drive disk assembly (21), three planetary gear axles (16), three self-lubricating bearings (17), the gear (18) of three 21-26 teeth, second largest gear frame bracket (54), the internal gear (55) of 92 teeth, second pinion frame (56), the internal gear (57) of 87 teeth, the gear (58) of 40 teeth, the gear (59) of 45 teeth and two pinion frame bracket (60) form first group of planetary gearsets;Intermediate power driven transmission parts (20), intermediate power drive disk assembly (26) composition intermediate power drive mechanism, its effect is to be delivered in second group of planetary gearsets by the power of first group of planetary gearsets;Self-lubricating bearing (49), the gear (50) of 20-29 tooth and planetary gear axle (51) are arranged on first planet tooth rest (46), 3rd gear frame drive disk assembly (24), 4th gear frame drive disk assembly (31), 3rd tooth rest drive disk assembly (27), 4th tooth rest drive disk assembly (29), the gear (43) of 46 teeth, the gear (44) of 37 teeth, third pinion frame bracket (45), first planet tooth rest (46), the internal gear (48) of 86 teeth, three self-lubricating bearings (49), the gear (50) of three 20-29 teeth, three planetary gear axles (51), the internal gear (52) of 95 teeth and second largest gear frame bracket (53) form second group of planetary gearsets;Power output slave unit (30), power output drive disk assembly (32), power output movable part (33), spring (34) form power take-off mechanism with flower-drum drive disk assembly (36), its effect is to be transferred on flower-drum lid (37) by the power of second group of planetary gearsets, thus is transferred on wheel by spoke;nullFirst straight pin (12)、Second straight pin (22)、3rd straight pin (25)、4th straight pin (38)、First little promotion groove (13)、Second little promotion groove (19)、3rd little promotion groove (28)、Promote greatly groove (35)、Speed change multiple mounted cam (39)、Structure support tube (40)、Four cam followers (62)、Eight spacing copper sheathings (63)、Four wind springs (64) form central-axle speed variator with gearshift adjustment positioning element (65),Each cam follower (62) is arranged on structure support tube (40) by two spacing copper sheathings (63) and a wind spring (64),Interference fits between spacing copper sheathing (63) and structure support tube (40),Between spacing copper sheathing (63) with cam follower (62), small-gap suture coordinates,Cam follower (62) can rotate in spacing copper sheathing (63),Play the effect of fixed gear,Gearshift adjustment positioning element (65) is arranged on structure support tube (40) by four holding screws (66),Gearshift adjustment steel cable is connected through gearshift adjustment positioning element (65) with speed change multiple mounted cam (39),Chronotropic action is played by rotating speed change multiple mounted cam (39).
The method for changing speed of this flower-drum is: by rotating speed change multiple mounted cam (39):
1, plane cam is made to promote four cam followers (62) to control the gear (43) of 46 teeth, the gear (44) of 37 teeth, the gear (58) of 40 teeth, the gear (59) of 45 teeth so that it is to be active or lock-out state;
2, spatial spatial cylindrical cam is made to promote the first straight pin (12), the second straight pin (22), the 3rd straight pin (25), the 4th straight pin (38), straight pin promotes four to promote groove, makes power input drive disk assembly (11), intermediate power driven transmission parts (20), intermediate power drive disk assembly (26) be in power output slave unit (30) and contacts gear frame drive disk assembly or Contact Tooth wheel carrier drive disk assembly.By the gear (43) of 46 teeth of arranging in pairs or groups, the gear (44) of 37 teeth, the gear (58) of 40 teeth, the activity of gear (59) of 45 teeth or locking and power input drive disk assembly (11), intermediate power driven transmission parts (20), intermediate power drive disk assembly (26), the different contact conditions of power output slave unit (30), thus reach the internal speed-changing effect of 17 gears.

Claims (4)

1. a new bicycle internal speed changer, is characterized in that: include flower-drum body supports mechanism and the power input mechanism being arranged on this supporting mechanism, first group of planetary gears, intermediate power drive mechanism, second group of planetary gears, power take-off mechanism and central-axle speed variator;The input of power input mechanism is connected with bicycle freewheel, and the input of outfan and first group of planetary gear mechanism connects;The outfan of the input of intermediate power drive mechanism and first group of planetary gear mechanism connects, and the input of outfan and second group of planetary gear mechanism connects;The outfan of the input of power take-off mechanism and second group of planetary gear mechanism connects, and outfan is connected with wheel flower-drum lid.
New bicycle internal speed changer the most according to claim 1, is characterized in that: described central-axle speed variator includes that one is handled assembly and several executive modules, handles assembly and is arranged on axis, is a speed change multiple mounted cam;Executive module is arranged on inside the ring gear of planetary gear mechanism, including four straight pins, three little promotion grooves, a big promotion groove and four cam followers, wherein, straight pin can moving axially along main shaft, promoting groove to be connected with each power-transmitting part, each power-transmitting part can rotate in promoting groove.
New bicycle internal speed changer the most according to claim 1, is characterized in that: described cam follower one end and inner ring gear clutch, the other end contacts with speed change multiple mounted cam.
New bicycle internal speed changer the most according to claim 1, is characterized in that: described speed change multiple mounted cam is connected realization and rotates with steel cable.
CN201610314395.1A 2016-05-13 2016-05-13 Novel bicycle internal transmission hub Pending CN105857507A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610314395.1A CN105857507A (en) 2016-05-13 2016-05-13 Novel bicycle internal transmission hub

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610314395.1A CN105857507A (en) 2016-05-13 2016-05-13 Novel bicycle internal transmission hub

Publications (1)

Publication Number Publication Date
CN105857507A true CN105857507A (en) 2016-08-17

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CN201610314395.1A Pending CN105857507A (en) 2016-05-13 2016-05-13 Novel bicycle internal transmission hub

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106985964A (en) * 2017-05-11 2017-07-28 张家港川梭车业有限公司 Movable gear-shifting three-gear speed change device with single-wheel drive pawl
CN112109841A (en) * 2019-06-21 2020-12-22 金华澳特玛科技有限公司 Variable speed transmission device for tricycle

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2461849Y (en) * 2000-03-09 2001-11-28 刘运柳 Bicycle with its backshaft having speed variable mechanism
CN1331037A (en) * 2000-06-30 2002-01-16 刘仁炽 Internal speed variator of bicycle
CN1338411A (en) * 2001-02-19 2002-03-06 刘运柳 Internal 9-gear speed variator
CN101332853A (en) * 2007-06-29 2008-12-31 株式会社岛野 Hub transmission for a bicycle
CN205769966U (en) * 2016-05-13 2016-12-07 桂林电子科技大学 A kind of new bicycle internal speed-changing flower-drum

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2461849Y (en) * 2000-03-09 2001-11-28 刘运柳 Bicycle with its backshaft having speed variable mechanism
CN1331037A (en) * 2000-06-30 2002-01-16 刘仁炽 Internal speed variator of bicycle
CN1338411A (en) * 2001-02-19 2002-03-06 刘运柳 Internal 9-gear speed variator
CN101332853A (en) * 2007-06-29 2008-12-31 株式会社岛野 Hub transmission for a bicycle
CN205769966U (en) * 2016-05-13 2016-12-07 桂林电子科技大学 A kind of new bicycle internal speed-changing flower-drum

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106985964A (en) * 2017-05-11 2017-07-28 张家港川梭车业有限公司 Movable gear-shifting three-gear speed change device with single-wheel drive pawl
CN106985964B (en) * 2017-05-11 2022-05-13 张家港川梭车业有限公司 Movable gear-shifting three-gear speed change device with single-wheel drive pawl
CN112109841A (en) * 2019-06-21 2020-12-22 金华澳特玛科技有限公司 Variable speed transmission device for tricycle

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Application publication date: 20160817