CN102225699B - Reciprocating speed-up driving mechanism for bicycle - Google Patents
Reciprocating speed-up driving mechanism for bicycle Download PDFInfo
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- CN102225699B CN102225699B CN2011101165027A CN201110116502A CN102225699B CN 102225699 B CN102225699 B CN 102225699B CN 2011101165027 A CN2011101165027 A CN 2011101165027A CN 201110116502 A CN201110116502 A CN 201110116502A CN 102225699 B CN102225699 B CN 102225699B
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Abstract
The invention discloses a reciprocating speed-up driving mechanism for a bicycle. The reciprocating speed-up driving mechanism comprises two cranks, a wheel hub, a wheel hub shaft type support body, a reciprocating mechanism, a one-way driving mechanism, a movement speed-up mechanism and a movement output mechanism; the reciprocating mechanism, the one-way driving mechanism, the movement speed-up mechanism and the movement output mechanism are mounted in the wheel hub shaft type support body; the wheel hub is mounted on the wheel hub shaft type support body, and rolling friction exists between the wheel hub and the wheel hub shaft type support body; and the output end of the movement output mechanism is connected with the wheel hub through a gear. The reciprocating speed-up driving mechanism is characterized in that the two cranks are respectively fixedly connected with the shaft gear disk and central gear shaft of the reciprocating mechanism, the shaft gear disk and central gear shaft of the reciprocating mechanism are respectively connected with the one-way driving mechanism; and the one-way driving mechanism is mounted between the reciprocating mechanism and the movement speed-up mechanism, and the input end of the movement output mechanism is connected with the movement speed-up mechanism. The reciprocating speed-up driving mechanism for the bicycle is compact in structure, convenient in mechanism arrangement and high in transmission efficiency.
Description
Technical field
The present invention relates to a kind of driving and transmission device of bicycle, particularly relate to reciprocating type speed-increasing driving mechanism of bicycle.
Background technology
Traditional bicycle carries out transferring power and speedup by sprocket wheel and chain, its shortcoming is that drive disk assembly exposes, need cleaned at regular intervals and upper wet goods handling labor, the situation of chain releasing also can occur sometimes, cyclist's the clothes of easily making dirty, and chain and sprocket engagement expose, dangerous during use, the structure of whole transmission device is not compact yet yet; Simultaneously, when the pedal of standard bicycle circles around axis, the arm of force between pedal and axis constantly changes, and has upper lower dead point, and the efficiency of riding is not high.
The driver train of the rod driven bicycles that the patent No. is ZL85106710, comprise parts that formed by pedal, a pair of arm, a pivot and a pair of bar, be arranged on main shaft, chain is arranged on sprocket wheel, and this sprocket wheel is connected with the wheel hub on being contained in hind axle by a pair of free-wheel clutch.Chain is connected with arm, and when the motroist treadles, when lever arm swings up and down, chain is reciprocating.
Although the driver train of the rod driven bicycles that the patent No. is ZL85106710 circles the pedal of standard bicycle to change pedal into and pump around axis, solved standard bicycle in the process of riding between pedal and axis the arm of force have the problem of lower dead point, but chain sprocket is still arranged in drive disk assembly, not solving drive disk assembly exposes, the problem of chain releasing also can occur sometimes, and the structure of whole transmission device is not compact yet.
A kind of reciprocating drive mechanism for bicycle that the patent No. is ZL200810035815.8, comprise flower-drum and axle rod, its structure is: the Zhou Gun center, the round slab of a vertical fastening symmetrical perforate, on the circumference of circle slab, correspondence has the axis hole of dress axle, bevel planet gear is housed on axle, with on the axle rod of both sides, by the conical gear of the duplex sun gear of ball and bearings, meshed respectively, the round slab both sides of dress bevel planet gear on the axle rod, according to this by mind-set bilateral symmetry ground respectively be equipped with lower member: one-way drive mechanism is arranged, gear speed increasing mechanism; Swing limiting mechanism.After implementing the present invention, overcome the shortcoming that drive disk assembly exposes, all drive disk assemblies of the present invention are all located in obturator, and the cyclist's that can not make dirty clothes does not need cleaned at regular intervals and oils, and has omitted handling labor; There is no driving chain, the situation of chain-taking also can not occur, used very safely, structure is very compact.
But, a kind of reciprocating drive mechanism for bicycle structure that the patent No. is ZL200810035815.8 is too complicated, the identical multilevel hierarchy in left and right can only complete the partial function of repetition, and the slow counter motion of left and right crank has been slowed down by speedup again, structure and driving efficiency are not high, in practical application, mechanism's volume can not be excessive and speedup to reach under necessarily required constraint, because the part multiplying wheel is not easy to reach requirement of strength and the shorter actual application value that lost of its flower-drum.
Summary of the invention
The purpose of this invention is to provide a kind of reciprocating type speed-increasing driving mechanism of bicycle, this reciprocating type speed-increasing driving mechanism of bicycle compact conformation, arrangement of mechanism is convenient, flexible, driving efficiency is high.
In order to achieve the above object, reciprocating type speed-increasing driving mechanism of bicycle of the present invention, comprise crank, wheel hub, wheel hub shaft type supporter, reciprocating mechanism, one-way drive mechanism, motion speed increasing mechanism and movement output mechanism, reciprocating mechanism, one-way drive mechanism, motion speed increasing mechanism and movement output mechanism are arranged in wheel hub shaft type supporter, wheel hub is arranged on wheel hub shaft type supporter, it between wheel hub and wheel hub shaft type supporter, is rolling friction, the mouth of movement output mechanism is connected with wheel hub by gear, it is characterized in that: two cranks are fixedly connected with sun gear shaft with the axle fluted disc of reciprocating mechanism respectively, the axle fluted disc of reciprocating mechanism is connected with one-way drive mechanism respectively with sun gear shaft, one-way drive mechanism is arranged between reciprocating mechanism and motion speed increasing mechanism, the input end of movement output mechanism is connected with the motion speed increasing mechanism, reciprocating mechanism is comprised of axle fluted disc, sun gear shaft and reverse compound planetary wheel, between axle fluted disc and sun gear shaft, plain bearing is installed, and the axle fluted disc has the internally toothed annulus structure, and the internally toothed annulus radius is R
in, sun gear shaft has the external gear structure, and the external gear radius is R
outward, the fixing reverse compound planetary wheel of axle is the combination of small one and large one gear, radius is respectively R
outside starand R
in star, oppositely compound planetary wheel big gear wheel partly meshes with the internally toothed annulus of axle fluted disc, and oppositely compound planetary wheel miniature gears part meshes with the external gear of sun gear shaft, meets relational expression: R simultaneously
outward+ R
outside star+ R
in star=R
inwith R
outward/ R
outside star=R
in/ R
in star, because reciprocating mechanism adopts the compound planetary wheel construction, driving efficiency is high, and part is few, simple in structure.
Described reciprocating mechanism can also be that the reverse bevel gear set engagement that cone toothing, the cone toothing on sun gear shaft and axle on the axle fluted disc are fixed on support sleeve forms.
Because reciprocating mechanism, one-way drive mechanism, motion speed increasing mechanism and movement output mechanism only have a road drive path, rather than the identical structure of two covers of left and right can only complete the partial function of repetition, compact conformation, arrangement convenience is flexible, and driving efficiency is high.
Described reciprocating type speed-increasing driving mechanism of bicycle is characterized in that: one-way drive mechanism is to be furnished with pair inner gearing type ratchet of interior ring structures-ratchet overriding clutch in ratchet, and this two interior ring is connected with sun gear shaft with the axle fluted disc respectively.
Described one-way drive mechanism, can also be the Wedge type over running clutch that is furnished with ring in two in outer shroud, and this two interior ring is connected with sun gear shaft with the axle fluted disc respectively.
Described one-way drive mechanism, can also be the star-wheel roller-type overrunning clutch that is furnished with two star-wheels in outer shroud, and this two star-wheel is connected with sun gear shaft with the axle fluted disc respectively.
Described reciprocating type speed-increasing driving mechanism of bicycle is characterized in that: the motion speed increasing mechanism is one-level, two or three grades of NGW type planetary speed increaser structures.
Described motion speed increasing mechanism can also be NW type, NN type or WW type planetary speed increaser structure.
Described reciprocating type speed-increasing driving mechanism of bicycle is characterized in that: movement output mechanism is the fixing NGW type of planet wheel spindle, NW type or NN type planetary mechanism.
Described reciprocating type speed-increasing driving mechanism of bicycle, it is characterized in that: wheel hub shaft type supporter is comprised of wheel hub support sleeve and wheel hub supporting seat, wheel hub support sleeve and wheel hub supporting seat are threaded connection, be evenly equipped with opening on the wheel hub supporting seat, in order to arrange the output planetary wheels of movement output mechanism, wheel hub shaft type supporter is at skin, and volume is larger, and structural strength easily guarantees.
Described wheel hub shaft type supporter, can also be formed by left wheel hub supporting seat, right wheel hub supporting seat and wheel hub support sleeve, left wheel hub supporting seat, right wheel hub supporting seat are connected with minus thread by dextrorotation respectively with the wheel hub support sleeve, on right wheel hub supporting seat, have opening.
Because reciprocating mechanism, one-way drive mechanism and movement output mechanism only have a road drive path, the space reserved for the motion speed increasing mechanism, arrangement of mechanism is convenient, the speed increasing mechanism type selecting is flexible, and the reciprocating type speed-increasing driving mechanism of bicycle of producing is practical.
Described crank is the bicycle and man power pedal device, and two cranks are fixedly connected with sun gear shaft with the axle fluted disc of reciprocating mechanism respectively.
The connection that described wheel hub is cycle wheel and support unit, bicycle rim is connected with wheel hub by spoke.
Reciprocating type speed-increasing driving mechanism of bicycle compact conformation of the present invention, arrangement of mechanism facilitate, driving efficiency is high.
The accompanying drawing explanation
Fig. 1 is the profile schematic diagram that the embodiment of the present invention is contained in the reciprocating type speed-increasing driving mechanism of bicycle on the vehicle vehicle frame.
Fig. 2 is the profile schematic diagram of the embodiment of the present invention.
Fig. 3 is the assembly relation schematic diagram of the embodiment of the present invention.
Fig. 4 is the structural representation of the embodiment of the present invention.
Fig. 5 is the A-A cutaway view of Fig. 4.
Fig. 6 is the B-B cutaway view of Fig. 4.
Fig. 7 is the C-C cutaway view of Fig. 4.
Fig. 8 is the D-D cutaway view of Fig. 4.
Fig. 9 is the E-E cutaway view of Fig. 4.
Figure 10 is the three-dimensional cross-sectional schematic of assembling of the another kind of movement output mechanism of embodiment.
Figure 11 is the three-dimensional cross-sectional schematic of the assembling of one-level motion speed increasing mechanism.
Figure 12 is the three-dimensional cross-sectional schematic of the assembling of three grades of motion speed increasing mechanisms.
Figure 13 is the three-dimensional cross-sectional schematic of assembling of the another kind of one-way drive mechanism of embodiment.
Figure 14 is the three-dimensional assembling of the another kind of reciprocating mechanism separation type schematic diagram of embodiment.
Figure 15 is structure cutaway view after the assembling of Figure 14.
Figure 16 is the F-F cutaway view of Figure 15.
Figure 17 is the three-dimensional assembling of the another kind of reciprocating mechanism separation type schematic diagram of embodiment.
Figure 18 is structure cutaway view after the assembling of Figure 17.
Figure 19 is the G-G cutaway view of Figure 18.
Figure 20 is the H-H cutaway view of Figure 18.
Figure 21 is the another kind of wheel hub supporter of embodiment and the three-dimensional assembling of the separation type schematic diagram of movement output mechanism.
Figure 22 is structure cutaway view after the assembling of Figure 21.
The specific embodiment
The explanation of Fig. 3 mark: seal cap 1, nut 2, semi-round key 3, crank 4, pressure cap 5, support seal cover cap 6, plain bearing I 7, axle fluted disc 8, plain bearing V 9, oppositely the compound planetary wheel 14, plain bearing IV 15, sun gear shaft 16, plain bearing VI 17, wheel hub support sleeve 18, plain bearing III 19, wheel hub rolling body 20, wheel hub 21, ratchet spring 22, ratchet steel ball 23, ratchet 24, detent pin 25, spacing pawl disk 26, connecting key 27, position adjustment ring 28, antifriction-bearing box I 29, single direction ratchet dish 30, one-level speedup planet wheel spindle 31, one-level speedup satellite gear 32, outer locating ring I 33, interior locating ring I 34, centre tooth wheel disc 35, secondary speedup satellite gear rolling body 36, secondary speedup planet wheel spindle 37, secondary speedup satellite gear 38, output gear wheel disc 39, outer locating ring II 40, antifriction-bearing box II 41, interior locating ring II 42, output planetary wheel shaft 43, output planetary wheel 44, spacing ring I 45, antifriction-bearing box III 46, spacing ring II 47, roller bearing end cap 48, roller bearing end cap screw 49, wheel hub supporting seat 50, plain bearing II 51.
The explanation of Fig. 4 mark: wheel hub shaft type supporter 10, reciprocating mechanism 11, one-way drive mechanism 12, motion speed increasing mechanism 13, movement output mechanism 52.
The explanation of Figure 12 mark: 61, three grades of speedup planet wheel spindles 62 of three grades of speedup satellite gears.
The explanation of Figure 14 mark: axle fluted disc 8, reverse bevel gear shaft 68, oppositely the finishing bevel gear cuter cover 69, reverse finishing bevel gear cuter 70, reverse bevel gear shaft spacing ring 71, sun gear shaft 16, plain bearing VI 73.
The explanation of Figure 17 mark: axle fluted disc 8, left plain bearing 75, right plain bearing 76, oppositely bevel gear shaft stop screw 77, reverse bevel gear shaft 68, oppositely the finishing bevel gear cuter cover 69, spacing watt 79 of sun gear shaft, sun gear shaft 16, wheel hub support sleeve 18, spacing watt of tightening screw 82 of sun gear shaft.
The explanation of Figure 21 mark: left wheel hub supporting seat 83, wheel hub support sleeve II 84, output pawl disk 85, detent pin III 86, ratchet III 87, antifriction-bearing box IV 88, antifriction-bearing box IV inner ring spacing ring 89, antifriction-bearing box IV outer ring spacing ring 90, antifriction-bearing box A91, antifriction-bearing box B92, output planetary wheel shaft II 93, output planetary wheel III 94, antifriction-bearing box V 95, antifriction-bearing box V outer ring spacing ring 96, position adjustment ring II 97, right wheel hub supporting seat 98, the compound dish 99 of output ratchet gear.
Referring to Fig. 4, the embodiment of reciprocating type speed-increasing driving mechanism of bicycle of the present invention comprises crank 4, wheel hub 21, wheel hub shaft type supporter 10, reciprocating mechanism 11, one-way drive mechanism 12, motion speed increasing mechanism 13 and movement output mechanism 52, reciprocating mechanism 11, one-way drive mechanism 12, motion speed increasing mechanism 13 and movement output mechanism 52 are arranged in wheel hub shaft type supporter 10, wheel hub 21 is arranged on wheel hub shaft type supporter 10, it between wheel hub 21 and wheel hub shaft type supporter 10, is rolling friction, the mouth of movement output mechanism 52 is taken turns 44 by output planetary and is connected with wheel hub 21, two cranks 4 are fixedly connected with sun gear shaft 16 with the axle fluted disc 8 of reciprocating mechanism 11 respectively, the axle fluted disc 8 of reciprocating mechanism 11 is connected with one-way drive mechanism 12 respectively with the spacing pawl disk 26 on being connected in sun gear shaft 16, one-way drive mechanism 12 is arranged between reciprocating mechanism 11 and motion speed increasing mechanism 13, the input end of movement output mechanism 52 is connected with motion speed increasing mechanism 13.
Because reciprocating mechanism 11, one-way drive mechanism 12, motion speed increasing mechanism 13 and movement output mechanism 52 only have a road drive path, rather than the identical structure of two covers of left and right can only complete the partial function of repetition, compact conformation, arrangement convenience is flexible, and driving efficiency is high.
Reciprocating mechanism 11 is comprised of axle fluted disc 8, sun gear shaft 16 and reverse compound planetary wheel 14, between axle fluted disc 8 and sun gear shaft 16, plain bearing IV 15 is installed, and it is R that axle fluted disc 8 has radius
ininner gear structure, it is R that sun gear shaft 16 has radius
outwardthe external gear structure, the fixing reverse compound planetary wheel of axle is that radius is respectively R
outside starand R
in starthe combination of small one and large one two gear, oppositely compound planetary wheel big gear wheel partly meshes with the inner gear of axle fluted disc, and oppositely compound planetary wheel miniature gears part meshes with the external gear of sun gear shaft, meets relational expression: R simultaneously
outward+ R
outside star+ R
in star=R
inwith R
outward/ R
outside star=R
in/ R
in star, more than a set of compound planetary wheel, be arranged symmetrically with according to structure and requirement of strength employing, and because reciprocating mechanism adopts the compound planetary wheel construction, driving efficiency is high, and part is few, simple in structure.
The ratchet and pawl arrangement that one-way drive mechanism 12 is two interior ring structures, by ratchet spring 22, ratchet steel ball 23, detent pin 25, ratchet 24 and single direction ratchet dish 30, formed, ratchet 24 and 30 engagements of single direction ratchet dish, ratchet 24 is arranged on the axle fluted disc 8 and spacing pawl disk 26 of reciprocating mechanism 11 by detent pin 25, ratchet spring 22 contacts ratchet steel ball 23 jack-up with ratchet 24, make ratchet 24 and 30 engagements of single direction ratchet dish, thereby the crank motion of the axle fluted disc 8 of reciprocating mechanism 11 and sun gear shaft 16 is become to unidirectional rotatablely moving.
Motion speed increasing mechanism 13 is one-level, two-stage or three grades of NGW type planet boost installations, because reciprocating mechanism 11, one-way drive mechanism 12 and movement output mechanism 52 only have a road drive path, for motion speed increasing mechanism 13 has reserved arrangement space, according to the over-speed gear ratio needs, be convenient to arrange tandem NGW type planet boost installation level to carry out speedup, over-speed gear ratio is selected flexibly, and the main parts size structure is identical, economical and practical.
Wheel hub shaft type supporter 10 is comprised of wheel hub support sleeve 18 and wheel hub supporting seat 50, wheel hub support sleeve 18 and wheel hub supporting seat 50 are threaded connection, have opening on wheel hub supporting seat 50, the effect of opening is that the output planetary be connected with wheel hub 21 wheel 44 for making movement output mechanism 52 passes through, wheel hub shaft type supporter 10 is container and the sealing element of reciprocating type speed-increasing driving mechanism of bicycle, be again the main support body of reciprocating type speed-increasing driving mechanism of bicycle, volume is good than macrostructure intensity.
Referring to Fig. 3, the wheel hub shaft type supporter 10 that reciprocating type speed-increasing driving mechanism of bicycle embodiment of the present invention comprises wheel hub 21 and consists of by spiral marking connection wheel hub support sleeve 18 and wheel hub supporting seat 50, on wheel hub support sleeve 18 and wheel hub supporting seat 50, an outer rolling circular groove is respectively arranged, match with interior rolling circular groove on wheel hub 21 two ends and form the ring raceway at wheel hub 21 two ends, left and right, wheel hub rolling body 20 rolls in two raceways, and the axis of the wheel hub shaft type supporter 10 that supporting wheel hub 21 forms around wheel hub support sleeve 18 and wheel hub supporting seat 50 moves in a circle.The outside end of wheel hub support sleeve 18 has symmetrical support groove, there is the ring support groove wheel hub supporting seat 50 outsides, wheel hub support sleeve 18 can connect with cycle rack by the support groove with the wheel hub shaft type supporter 10 that wheel hub supporting seat 50 forms, wherein, symmetrical support groove assurance wheel hub support sleeve 18 on wheel hub support sleeve 18 is fixed with the cycle rack relative angular position, ring support groove on wheel hub supporting seat 50 allows wheel hub supporting seat 50 and cycle rack angle unfixing, be convenient to regulate the matching thread on wheel hub support sleeve 18 and wheel hub supporting seat 50, the side-to-side movement gap coordinated with raceway to reach the wheel hub rolling body 20 that is adjusted in raceway.Diaphragm structure in the middle of wheel hub support sleeve 18 is separated into small one and large one two circular cylindrical cavities to wheel hub support sleeve 18, the mechanism 11 moved reciprocatingly is installed in its little cavity, in its large cavity from dividing plate outwards according to one-way drive mechanism 12, motion speed increasing mechanism 13 time are installed, movement output mechanism 52 adjacent with motion speed increasing mechanism 13, that be contained in wheel hub supporting seat 50 passes to wheel hub 21 to process motion speed increasing mechanism 13 rotatablely moving of output, and drive hub 21 moves in a circle.
In embodiment, be contained in that reciprocating mechanism 11 in the little cavity of wheel hub support sleeve 18 mainly contains external tooth center gear that the gear structure on sun gear shaft 16 forms, oppositely compound planetary is taken turns 14 groups, axle fluted disc 8 and formed, external tooth center gear on sun gear shaft 16, oppositely compound planetary is taken turns on 14 groups, axle fluted disc the central wheel of internal teeth that 8 internally toothed annulus structure forms and is formed reversing-gear, take turns the axle of 14 groups fixedly the time when reverse compound planetary, the external tooth center gear of reversing-gear and central wheel of internal teeth form the backswing relation.Oppositely compound planetary wheel 14 be coaxial by two but half gear of different radii in conjunction with forming, referring to Fig. 5, wherein, with half tooth radius of the external tooth center gear engagement of reversing-gear be R
outside star, with half tooth radius of the central wheel of internal teeth of reversing-gear engagement be R
in star, the radius of the central wheel of internal teeth of reversing-gear, external tooth center gear is respectively R
inand R
outward, R
outward=12mm, R
outside star=4 mm, R
in star=8 mm, R
in=24 mm are R
outward+ R
outside star+ R
in star=12 mm+4 mm+8 mm=24 mm, R
outward/ R
outside star=12mm/4 mm=3, R
in/ R
in star=24 mm/8 mm=3,
So R
outward+ R
outside star+ R
in star=R
inr
outward/ R
outside star=R
in/ R
in star
Getting module of gear is 1, the number of teeth of the external tooth center gear of reversing-gear, central wheel of internal teeth is respectively 24 and 48, oppositely the number of teeth of two and half gears of compound planetary wheel 14 is respectively 4 and 8, be adjusted into 3 and 6 after rounding, the axis of fixing reverse compound planetary wheel 14, inside and outside center gear pendulum angle all is defined as 60 degree, and above-mentioned two relational expressions have guaranteed that the external tooth center gear of reversing-gear equates with central wheel of internal teeth motion cireular frequency, but opposite direction, complete oscillating traverse motion.Oppositely axle one end of compound planetary wheel 14 is supported in the circular hole on wheel hub support sleeve 18 dividing plates by plain bearing VI 17, the other end is supported in the circular hole supported on seal cover cap 6 through the circular hole of axle fluted disc 8 bottoms by plain bearing V 9, here get 4 cover reverse compound planetary wheel 14 as above and Holder Fasteners, consider and support seal cover cap 6 and axle fluted disc 8 structural strengths, the reverse compound planetary of 4 cover take turns 14 groups take in twos close, be arranged symmetrically with form.Circular support seal cover cap 6 surroundings are evenly equipped with several arc breach, this arc breach coordinates with the arc projection on wheel hub support sleeve 18 cavitys, the circular movement of seal cover cap 6 around its axis supported in restriction, support outside seal cover cap 6 pressure cap 5 is arranged, external thread structure on pressure cap 5 coordinates with the female thread structure in wheel hub support sleeve 18 cavitys, and the axial motion of seal cover cap 6 is supported in restriction.Axle fluted disc 8 is circular groove shape, the bottom land symmetry has two arcuate sockets, respectively there is the axle activity of a pair of reverse compound planetary wheel 14 to pass, a limiting stopper is respectively stretched out symmetrically in axle fluted disc 8 bottoms in the two arc grooves that support on seal cover cap 6, and the unidirectional pivot angle scope of this two limiting stoppers restrictive axes fluted disc 8 is 60 degree.Axle fluted disc 8 bottom land outsides along central axis to being projected with major axis, there is the minor axis projection bottom land inside along central axis, the minor axis projection is supported on sun gear shaft 16 by plain bearing IV 15 to be had in the circular hole of gear structure end, major axis is supported in the circular hole that supports seal cover cap 6 centers by plain bearing I 7, and through supporting seal cover cap 6, its end conical surface axle coordinates with taper hole on crank 4 and passes through semi-round key 3 and connects, its shaft end screw thread and nut 2 connect firmly, seal cap 1 sealing for outermost.Axle fluted disc 8 circular groove inwall surroundings have internally toothed annulus structure and reverse compound planetary to take turns 14 groups of engagements, a pair of projection is stretched out along its axis direction symmetry in its flute profile edge, this passes respectively a circular hole on wheel hub support sleeve 18 dividing plates actively to projection, can do reciprocally swinging, the projection top respectively has ratchet 24 and detent pin 25, ratchet spring 22, ratchet steel ball 23 to form ratchet swinging structure I.The external tooth center gear structure of sun gear shaft 16 is taken turns 14 groups of engagements with reverse compound planetary, its axis body is supported in the axis hole of wheel hub support sleeve 18 dividing plate centers by plain bearing III 19, and extend in the large cavity of wheel hub support sleeve 18, discoid spacing pawl disk 26 near the dividing plate place in the large cavity of wheel hub support sleeve 18 connects and locates with sun gear shaft 16 by the convex shoulder on connecting key 27 and sun gear shaft 16, spacing pawl disk 26 opposite sides are adjacent with antifriction-bearing box I 29 by position adjustment ring 28, antifriction-bearing box I 29 opposite sides by interior locating ring I 34 at sun gear shaft 16 upper limits.Single direction ratchet dish 30 is supported on sun gear shaft 16 and by outer locating ring I 33 and connects firmly with antifriction-bearing box I 29 by antifriction-bearing box I 29, spacing pawl disk 26 is becoming 90 places, degree orientation to extend radially out a pair of ratchet piece with axle fluted disc 8 projections, the ratchet swinging structure II that has ratchet 24 and detent pin 25, ratchet spring 22, ratchet steel ball 23 to form on it.Each stretches out a limiting stopper two ratchet pieces on spacing pawl disk 26 in two arc grooves on wheel hub support sleeve 18 dividing plates, and the unidirectional pivot angle scope of this two limiting stoppers restriction sun gear shaft 16 is 60 degree, referring to Fig. 6.A pair of ratchet swinging structure II on spacing pawl disk 26 becomes plane to be arranged vertically with a pair of ratchet swinging structure I on axle fluted disc 8, the single direction ratchet dish 30 that a pair of ratchet swinging structure I, a pair of ratchet swinging structure II and inner ring have ratchet has formed the one-way drive mechanism 12 that reciprocally swinging is converted to unidirectional rotary motion jointly, referring to Fig. 7.Single direction ratchet dish 30 is simultaneously again as one-level speedup pinion carrier, be evenly equipped with 4 pairs of one-level speedup planet wheel spindles 31 and one-level speedup satellite gear 32 on it, the gear structure that one-level speedup satellite gear 32, centre tooth wheel disc 35 central axis connect firmly has formed one-level speedup planetary wheel train as the part internally toothed annulus that plays the central wheel of internal teeth effect on one-level speedup external tooth center gear and wheel hub support sleeve 18.There is through hole at centre tooth wheel disc 35 central axis places so that sun gear shaft 16 passes through, centre tooth wheel disc 35 is again secondary speedup pinion carrier simultaneously, be evenly equipped with 4 secondary speedup planet wheel spindles 37 on it, secondary speedup satellite gear 38 is arranged on secondary speedup planet wheel spindle 37, interior rolling circular groove looping raceway in outer rolling circular groove on secondary speedup planet wheel spindle 37 and secondary speedup satellite gear 38 axis holes, secondary speedup satellite gear rolling body 36 is inside arranged, referring to Fig. 8, secondary speedup satellite gear 38, secondary speedup external tooth center gear structure and the part internally toothed annulus that plays the central wheel of internal teeth effect on wheel hub support sleeve 18 on output gear wheel disc 39 have formed secondary speedup planetary wheel train, one-level, secondary speedup planetary wheel train has formed motion speed increasing mechanism 13.On output gear wheel disc 39 except secondary speedup external tooth center gear structure is arranged, export in addition external tooth center gear structure, axial center hole and dish end circular groove on it, output gear wheel disc 39 is supported in the bearing hole on wheel hub supporting seat 50 by antifriction-bearing box II 41, circular groove on it and interior locating ring II 42 are fixed on antifriction-bearing box II 41, and antifriction-bearing box II 41 is limited on wheel hub supporting seat 50 by outer locating ring II 40.Output planetary wheel 44 is by antifriction-bearing box III 46, spacing ring I 45, spacing ring II 47, roller bearing end cap 48, roller bearing end cap screw 49 is spacing and be supported on by screw thread and be fixed on the output planetary wheel shaft 43 on wheel hub supporting seat 50, formed the output planetary wheel construction, output external tooth center gear structure periphery on output gear wheel disc 39 is evenly equipped with 4 such output planetary wheel constructions, the output planetary wheel construction, output external tooth center gear structure on output gear wheel disc 39 and the internally toothed annulus structure that plays the central wheel of internal teeth effect on wheel hub 21 have formed movement output mechanism 52, referring to Fig. 9.After sun gear shaft 16 passes through antifriction-bearing box I 29, interior locating ring I 34, successively through centre tooth wheel disc 35, output gear wheel disc 39, and be supported on wheel hub supporting seat 50 by plain bearing II 51, its end conical surface axle coordinates with taper hole on crank 4 and passes through semi-round key 3 and connects, shaft end screw thread and nut 2 connect firmly, seal cap 1 sealing for outermost.
Referring to Figure 10, in another embodiment, pinion structure engagement on output external tooth center gear structure on the output gear wheel disc 39 of movement output mechanism 52 and output planetary wheel 44, the big gear wheel structure on output planetary wheel 44 and the engagement of the central wheel of internal teeth structure on wheel hub 21.
Referring to Figure 11, motion speed increasing mechanism 13 be the primary planet carrier effect single direction ratchet dish 30 and on one-level speedup planet wheel spindle 31, one-level speedup satellite gear 32 and wheel hub support sleeve 18 on the internally toothed annulus that plays the central wheel of internal teeth effect, the external toothing structure that plays the effect of external tooth center gear on output gear wheel disc 39 directly mesh, motion speed increasing mechanism 13 is one-level speedup planetary wheel trains.
Referring to Figure 12, motion speed increasing mechanism 13 is three grades of speedup planetary wheel trains, single direction ratchet dish 30, one-level speedup planet wheel spindle 31, the gear structure that plays the effect of external tooth center gear on one-level speedup satellite gear 32 and centre tooth wheel disc 35, the one-level speedup planetary wheel train that the part internally toothed annulus structure that plays the central wheel of internal teeth effect on wheel hub support sleeve 18 forms, centre tooth wheel disc 35, secondary speedup planet wheel spindle 37, the gear structure that plays the effect of external tooth center gear on secondary speedup satellite gear 38 and centre tooth wheel disc 35, the secondary speedup planetary wheel train that the part internally toothed annulus structure that plays the central wheel of internal teeth effect on wheel hub support sleeve 18 forms, centre tooth wheel disc 35, three grades of speedup planet wheel spindles 62, the gear structure that plays the effect of external tooth center gear on three grades of speedup satellite gears 61 and output gear wheel disc 39, three grades of speedup planetary wheel trains that the part internally toothed annulus structure that plays the central wheel of internal teeth effect on wheel hub support sleeve 18 forms, one, two, three grades of speedup satellite gear train component movement speed increasing mechanisms 13.
Referring to Figure 13, one-way drive mechanism 12 can also be a pair of ratchet swinging structure on axle fluted disc 8 and a pair of ratchet swinging structure on spacing pawl disk 26 side by side, not in same plane, the single direction ratchet dish 30 that these two pairs of ratchet swinging structures and inner ring have ratchet has formed the mechanism that reciprocally swinging is converted to unidirectional rotary motion jointly.
Referring to Figure 14,15 and 16, reciprocating mechanism 11 can also be that cone toothing, the 70 groups of engagements of the cone toothing on sun gear shaft 16 and reverse finishing bevel gear cuter on axle fluted disc 8 form, oppositely finishing bevel gear cuter 70 is supported and fixed on wheel hub support sleeve 18 by reverse bevel gear shaft 68, reverse finishing bevel gear cuter cover 69, reverse bevel gear shaft spacing ring 71,4 reverse finishing bevel gear cuters 70 are in twos near being arranged symmetrically with, and the cylindrical projection structure of axle fluted disc 8 central axis is connected by plain bearing VI 73 with the circular groove structure of sun gear shaft 16 central axis.
Referring to Figure 17, 18, 19 and 20, reciprocating mechanism 11, it can also be the cone toothing on axle fluted disc 8, 70 groups of engagements of cone toothing on sun gear shaft 16 and reverse finishing bevel gear cuter form, oppositely finishing bevel gear cuter 70 is by reverse bevel gear shaft 68, oppositely the finishing bevel gear cuter cover 69, oppositely bevel gear shaft stop screw 77 is supported and fixed on wheel hub support sleeve 18, 4 reverse finishing bevel gear cuters 70 are in twos near being arranged symmetrically with, the top of axle fluted disc 8 is equipped with on a pair of bulge-structure of ratchet and has through hole so that the cone toothing on sun gear shaft 16 partly passes through, under the condition that guarantees complete engagement between finishing bevel gear cuter to increase pendulum angle, the cylindrical projection structure of the central axis on axle fluted disc 8 and sun gear shaft 16 is supported on wheel hub support sleeve 18 with right plain bearing 76 by left plain bearing 75 respectively, it is spacing that two cylindrical projection on sun gear shaft 16 are carried out pendulum angle by two symmetrical arc grooves on wheel hub support sleeve 18, by being fixed on spacing watt of 79 axial limitings of a pair of sun gear shaft on wheel hub support sleeve 18 symmetrical grooves, spacing watt 79 of spacing watt of tightening screw of sun gear shaft 82 permanent center gear wheel shaft.
Referring to Figure 21 and 22, wheel hub shaft type supporter 10 also can be comprised of left wheel hub supporting seat 83, right wheel hub supporting seat 98 and wheel hub support sleeve II 84, left wheel hub supporting seat 83, right wheel hub supporting seat 98 and wheel hub support sleeve II 84 are connected with minus thread by dextrorotation respectively, have opening on right wheel hub supporting seat, the effect of opening is that the gear for movement output mechanism is connected with wheel hub passes through.
Referring to Figure 21 and 22, described movement output mechanism 52, can also be that output pawl disk 85 drives compound dish 99 rotations of output ratchet gear by the detent pin III 86 on it and ratchet III 87, via antifriction-bearing box A91, antifriction-bearing box B292, output planetary wheel shaft II 93, the planet circular system that output planetary wheel III 94 forms is transferred to wheel hub 21, antifriction-bearing box IV 88, antifriction-bearing box IV inner ring spacing ring 89, antifriction-bearing box IV outer ring spacing ring 90 will be exported pawl disk 85 and connect firmly on right wheel hub supporting seat 98, antifriction-bearing box V 95, antifriction-bearing box V outer ring spacing ring 96, position adjustment ring II 97 will be exported the compound dish 99 of ratchet gear and connect firmly on right wheel hub supporting seat 98.
By reference to the accompanying drawings working process of the present invention is specifically described.
By the central wheel of internal teeth on axle fluted disc 8, the special meshing relation of the external tooth center gear on sun gear shaft 16 and reverse compound planetary wheel 14, axle fluted disc 8 forms reverse constant speed with sun gear shaft 16 and swings relation, when crank 4 is done the cw circle swing downwards, do same cw circle swing with moving axis fluted disc 8, sun gear shaft 16 is done constant speed conter clockwise circle swing, the crank 4 that drives another side is done upwards conter clockwise circle swing, ratchet 24 conter clockwises that simultaneously by connecting key 27, drive the ratchet swinging structure on a pair of ratchet piece of spacing pawl disk 26 slip over the ratchet on single direction ratchet dish 30, when crank 4 is done same cw circle swing to lower swing drive axle fluted disc 8, ratchet swinging structure on a pair of projection of axle fluted disc 8 drives single direction ratchet dish 30 to do the cw circular movement, when axle fluted disc 8 cws turn over 60 while spending, a pair of limiting stopper on it is spacing in supporting 6 liang of arc grooves of seal cover cap, does in the two arc grooves of a pair of limiting stopper on wheel hub support sleeve 18 dividing plates on the spacing pawl disk 26 of conter clockwise circle swing now not spacing.When the crank 4 of another side is done the cw circle swing downwards, sun gear shaft 16 is done same cw circle swing, axle fluted disc 8 is done constant speed conter clockwise circle swing, slip over the ratchet of single direction ratchet dish 30 with ratchet 24 conter clockwises of the ratchet swinging structure on a pair of projection of moving axis fluted disc 8, drive crank 4 simultaneously and do upwards conter clockwise circle swing, when the crank 4 of another side is done same cw circle swing to lower swing drive sun gear shaft 16, sun gear shaft 16 drives spacing pawl disk 26 by connecting key 27 and does same cw circle swing, ratchet swinging structure on a pair of ratchet piece of spacing pawl disk 26 drives single direction ratchet dish 30 to do the cw circular movement, when spacing pawl disk 26 cws turn over 60 while spending, spacing in the two arc grooves of a pair of limiting stopper on it on wheel hub support sleeve 18 dividing plates, the a pair of limiting stopper of doing on the axle fluted disc 8 of conter clockwise circle swing is now not spacing in supporting 6 liang of arc grooves of seal cover cap.Single direction ratchet dish 30 is as the one-level speedup pinion carrier of the one-level speedup planetary wheel train of motion input, drive the external tooth center gear of one-level speedup planetary wheel train to do the speedup motion, this external tooth center gear is done same cw speedup motion as the part drive centre tooth wheel disc 35 of centre tooth wheel disc 35; Centre tooth wheel disc 35 is again the secondary speedup pinion carrier as the secondary speedup planetary wheel train of motion input simultaneously, drive the external tooth center gear of secondary speedup planetary wheel train to do the speedup motion, this external tooth center gear is done same cw speedup motion as the part drive output gear wheel disc 39 of output gear wheel disc 39; The external tooth center gear of movement output mechanism is the part of output gear wheel disc 39, internally toothed annulus structure on wheel hub 21 plays the central wheel of internal teeth effect of motion output mechanism, output planetary is taken turns 44 axles and is fixed, output gear wheel disc 39 is converted to the cw circular movement of speedup by its external tooth center gear structure the deceleration conter clockwise circular movement of the central wheel of internal teeth structure on wheel hub 21, drives wheel hub 21 and does same conter clockwise circular movement.The cw circular movement of single direction ratchet dish 30 is after the speedup of I and II speedup planetary wheel gear mechanism, form the cw circular movement of larger speedup, after the little deceleration of conter clockwise by movement output mechanism, finally at wheel hub 21, export the conter clockwise circular movement of certain speedup.
Reciprocating type speed-increasing driving mechanism of bicycle of the present invention, this reciprocating type speed-increasing driving mechanism of bicycle compact conformation, arrangement of mechanism facilitate, driving efficiency is high, and promoting the use of it, have positive meaning to the safety performance that improves bicycle, the portability of riding.
Claims (10)
1. reciprocating type speed-increasing driving mechanism of bicycle, comprise crank, wheel hub, wheel hub shaft type supporter, reciprocating mechanism, one-way drive mechanism, motion speed increasing mechanism and movement output mechanism, reciprocating mechanism, one-way drive mechanism, motion speed increasing mechanism and movement output mechanism are arranged in wheel hub shaft type supporter, wheel hub is arranged on wheel hub shaft type supporter, it between wheel hub and wheel hub shaft type supporter, is rolling friction, the mouth of movement output mechanism is connected with wheel hub by gear, it is characterized in that: two cranks are fixedly connected with sun gear shaft with the axle fluted disc of reciprocating mechanism respectively, the axle fluted disc of reciprocating mechanism is connected with one-way drive mechanism respectively with sun gear shaft, one-way drive mechanism is arranged between reciprocating mechanism and motion speed increasing mechanism, the input end of movement output mechanism is connected with the motion speed increasing mechanism, reciprocating mechanism is comprised of axle fluted disc, sun gear shaft and reverse compound planetary wheel, between axle fluted disc and sun gear shaft, plain bearing is installed, and the axle fluted disc has the internally toothed annulus structure, and the internally toothed annulus radius is R
in, sun gear shaft has the external gear structure, and the external gear radius is R
outward, the fixing reverse compound planetary wheel of axle is the combination of small one and large one gear, radius is respectively R
outside starand R
in star, oppositely compound planetary wheel big gear wheel partly meshes with the internally toothed annulus of axle fluted disc, and oppositely compound planetary wheel miniature gears part meshes with the external gear of sun gear shaft, and satisfied two relational expression: R
outward+ R
outside star+ R
in star=R
in, with R
outward/ R
outside star=R
in/ R
in star.
2. reciprocating type speed-increasing driving mechanism of bicycle according to claim 1, it is characterized in that: one-way drive mechanism is to be furnished with pair inner gearing type ratchet of interior ring structures-ratchet overriding clutch in ratchet, and this two interior ring is connected with sun gear shaft with the axle fluted disc respectively.
3. reciprocating type speed-increasing driving mechanism of bicycle according to claim 1 is characterized in that: one-way drive mechanism is the Wedge type over running clutch that is furnished with ring in two in outer shroud, and this two interior ring is connected with sun gear shaft with the axle fluted disc respectively.
4. reciprocating type speed-increasing driving mechanism of bicycle according to claim 1, it is characterized in that: one-way drive mechanism is the star-wheel roller-type overrunning clutch that is furnished with two star-wheels in outer shroud, and this two star-wheel is connected with sun gear shaft with the axle fluted disc respectively.
5. reciprocating type speed-increasing driving mechanism of bicycle according to claim 1, it is characterized in that: the motion speed increasing mechanism is one-level, secondary or three grades of NGW type planetary speed increaser structures.
6. reciprocating type speed-increasing driving mechanism of bicycle according to claim 1, it is characterized in that: the motion speed increasing mechanism is NW type, NN type or WW type planetary speed increaser structure.
7. reciprocating type speed-increasing driving mechanism of bicycle according to claim 1, it is characterized in that: movement output mechanism is the fixing NGW type of planet wheel spindle, NW type or NN type planetary mechanism.
8. reciprocating type speed-increasing driving mechanism of bicycle according to claim 1, it is characterized in that: wheel hub shaft type supporter is comprised of wheel hub support sleeve and wheel hub supporting seat, wheel hub support sleeve and wheel hub supporting seat are threaded connection, be evenly equipped with opening on the wheel hub supporting seat, in order to arrange the output planetary wheels of movement output mechanism.
9. reciprocating type speed-increasing driving mechanism of bicycle according to claim 1, it is characterized in that: wheel hub shaft type supporter is comprised of left wheel hub supporting seat, right wheel hub supporting seat and wheel hub support sleeve, left wheel hub supporting seat, right wheel hub supporting seat are connected with minus thread by dextrorotation respectively with the wheel hub support sleeve, on right wheel hub supporting seat, have opening.
10. reciprocating type speed-increasing driving mechanism of bicycle according to claim 1 is characterized in that: reciprocating mechanism is that the reverse bevel gear set engagement that cone toothing, the cone toothing on sun gear shaft and the axle on the axle fluted disc is fixed on wheel hub shaft type support sleeve forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101165027A CN102225699B (en) | 2011-05-06 | 2011-05-06 | Reciprocating speed-up driving mechanism for bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101165027A CN102225699B (en) | 2011-05-06 | 2011-05-06 | Reciprocating speed-up driving mechanism for bicycle |
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| Publication Number | Publication Date |
|---|---|
| CN102225699A CN102225699A (en) | 2011-10-26 |
| CN102225699B true CN102225699B (en) | 2013-11-13 |
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|---|---|---|---|
| CN2011101165027A Expired - Fee Related CN102225699B (en) | 2011-05-06 | 2011-05-06 | Reciprocating speed-up driving mechanism for bicycle |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6328588B2 (en) | 2015-05-29 | 2018-05-23 | 株式会社シマノ | Internal transmission |
| CN105667691B (en) * | 2016-01-13 | 2018-05-25 | 魏恒德 | A kind of bicycle drive train system |
| CN111297627B (en) * | 2017-11-09 | 2022-06-24 | 浙江微沃科技发展有限公司 | Physical therapy equipment for promoting human microcirculation |
| CN110450902A (en) * | 2019-08-20 | 2019-11-15 | 北京健行天下环保科技有限公司 | A kind of non-chain drive structure of vehicle |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4694708A (en) * | 1986-05-15 | 1987-09-22 | Hartmann Dirck T | Single speed transmission for pedal-propelled vehicle |
| CN201530457U (en) * | 2009-09-09 | 2010-07-21 | 赵成会 | Driving mechanism of external engaged planetary-gear chain transmission variable speed bicycle |
| CN202022292U (en) * | 2011-05-06 | 2011-11-02 | 王宏新 | Reciprocating type speed-increasing driving mechanism of bicycle |
-
2011
- 2011-05-06 CN CN2011101165027A patent/CN102225699B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4694708A (en) * | 1986-05-15 | 1987-09-22 | Hartmann Dirck T | Single speed transmission for pedal-propelled vehicle |
| CN201530457U (en) * | 2009-09-09 | 2010-07-21 | 赵成会 | Driving mechanism of external engaged planetary-gear chain transmission variable speed bicycle |
| CN202022292U (en) * | 2011-05-06 | 2011-11-02 | 王宏新 | Reciprocating type speed-increasing driving mechanism of bicycle |
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| CN102225699A (en) | 2011-10-26 |
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