CN102470911A - Power transmission device for a chainless bicycle - Google Patents
Power transmission device for a chainless bicycle Download PDFInfo
- Publication number
- CN102470911A CN102470911A CN2010800309180A CN201080030918A CN102470911A CN 102470911 A CN102470911 A CN 102470911A CN 2010800309180 A CN2010800309180 A CN 2010800309180A CN 201080030918 A CN201080030918 A CN 201080030918A CN 102470911 A CN102470911 A CN 102470911A
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- China
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- mentioned
- gear
- bevel gear
- speed changing
- finishing bevel
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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
- 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
- B62M11/10—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with bevel gear wheels
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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
- B62M11/14—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with planetary gears
- B62M11/145—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with planetary gears built in, or adjacent to, the bottom bracket
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K19/00—Cycle frames
- B62K19/30—Frame parts shaped to receive other cycle parts or accessories
- B62K19/34—Bottom brackets
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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
- B62M11/14—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with planetary gears
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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
- B62M17/00—Transmissions characterised by use of rotary shaft, e.g. cardan shaft
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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
- B62M23/00—Transmissions characterised by use of other elements; Other transmissions
- B62M23/02—Transmissions characterised by use of other elements; Other transmissions characterised by the use of two or more dissimilar sources of power, e.g. transmissions for hybrid motorcycles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Structure Of Transmissions (AREA)
- Retarders (AREA)
- Transmission Devices (AREA)
- Gear Transmission (AREA)
Abstract
The present invention relates to a power transmission device for a chainless bicycle, which uses a planetary gear device having multiple gear sets to achieve a variety of changes in gear ratio, and which enables easy gear-changing and reliable power transmission, and which enables the easy attachment and detachment of a rear wheel. To accomplish this, the power transmission device for a chainless bicycle according to one embodiment of the present invention comprises: a first gear change unit installed on a pedal shaft to increase the rotating speed of the pedal shaft and to output the increased rotating speed; a first bevel gear installed on the pedal shaft to rotate at the speed outputted by the first gear change unit; a power transmission shaft, on one end of which a second bevel gear which is to engage with a first bevel gear is arranged; a fourth bevel gear which is to engage with a third bevel gear arranged at the other end of the power transmission shaft; a second transmission unit which increases the rotating speed of the fourth bevel gear and outputs the increased rotating speed; and a rear wheel which rotates at the speed output by the second transmission unit. Both the first transmission unit and the second transmission unit have: a carrier connected to the pedal shaft and to the fourth bevel gear; a planetary gear group which has at least three support members protruding from a virtual circumference of one surface of the carrier, wherein at least three pairs of planetary gear groups are installed on the support members such that the three pairs of planetary gear groups are independently and freely rotatable, and wherein the planetary gear group consists of at least three planetary gears having different diameters; a ring gear group consisting of ring gears which are brought into internal contact and engagement with the respective planetary gears such that the ring gears are independently and freely rotatable; a sun gear group consisting of sun gears which are brought into external contact and engagement with the respective planetary gears, and which have different diameters and are formed into a unitary body; and gear change lock means for selectively locking either an output shaft or the ring gear connected to the sun gear group.
Description
Technical field
The present invention relates to Chainless bicycle; Say in more detail, utilize planetary gear apparatus can realize multiple converter speed ratio with multiple gear row thereby relate to, and speed change transferring power reliably easily not only; And the Chainless bicycle of dismounting trailing wheel is used torque transfer easily.
Background technology
Bicycle effectively utilizes on multiple uses such as the vehicle, leisure, physical culture as through the drivable Move tool of manpower.Recently bicycle pollutes as response environment energetically and the environment-friendly type vehicle of problems such as soaring oil prices and being paid attention to again.And bicycle is that the not enough utterly modern institute of amount of exercise can easy approaching gymnastic apparatus.
In general, bicycle has the structure of realizing transmission of power with chain connection pedal side chain wheel with the rear wheel-side sprocket wheel.For speed change, thus multistage formation pedal of this chain-type bicycle and rear wheel-side sprocket wheel and chain is moved at sprocket wheel can realize multiple converter speed ratio.
But, exist the oil be coated on the chain to be stained with clothes or health and the problem of health not too on the existing chain-type bicycle.And chain is lax and break away from sprocket wheel easily, when serious is even also can breaks.There is the problem that safety misadventure often takes place thus.And the chain-type bicycle is because the loss due to friction that causes because of the engagement of chain and sprocket wheel is bigger, thereby has the problem that power transmission efficiency reduces and the noise generation is bigger.And then, because the speed change of bicycle is in enforcement, to carry out continuously, thereby problem that can not speed change when existing bicycle to stop.
In order to eliminate this problem, do not use the yet Chainless bicycle of transferring power effectively of chain even if developing.As representational the Chainless bicycle that has utilized finishing bevel gear cuter arranged.Utilized the effect of its power transmission shaft replacement chain of Chainless bicycle of this finishing bevel gear cuter.Promptly, utilize finishing bevel gear cuter with the rotational force orthogonal transformation of pedal shaft and to the power transmission shaft transmission, thereby and utilize finishing bevel gear cuter that the rotational force orthogonal transformation of power transmission shaft is driven trailing wheel again.This existing Chainless bicycle is compared with existing chain-type bicycle, and the transmission of power structure is fairly simple, and reduces the friction force of finishing bevel gear cuter and power transmission shaft, thereby has the strong point that can improve power transmission efficiency.
But existing Chainless bicycle is the same with existing chain-type bicycle, exist not only to be difficult for realizing multiple converter speed ratio, and trailing wheel not easy to assemble thereby have the replacing of trailing wheel or repair difficult problem.This point is pointed out as the popular greatest problem to Chainless bicycle.
Summary of the invention
Technical task
The present invention proposes in order to solve aforesaid problem; The object of the present invention is to provide and a kind ofly can realize multiple converter speed ratio with fairly simple structure; Speed change transferring power easily but also reliably not only, and then the easy-to-disassemble and assemble Chainless bicycle of trailing wheel is used torque transfer.
Other purpose, specific strong point and new characteristic of the present invention will be through will be clearer with reference to the following detailed explanation and the preferred embodiment of relevant description of drawings.
Solve the method for problem
Be used to realize that the Chainless bicycle according to an embodiment of the invention of aforesaid purpose uses torque transfer, it is characterized in that, comprising: first speed changing portion 200 is arranged on the pedal shaft 100 rotative speed that increases pedal shaft 100 line output of going forward side by side; First finishing bevel gear cuter 300 is arranged on the pedal shaft 100, with the speed rotation of first speed changing portion, 200 outputs; Power transmission shaft 400 at one end possesses and first finishing bevel gear cuter, 300 ingear middle tap gears 420; The 4th finishing bevel gear cuter 500 is with third hand tap gear 440 engagements that possess in the other end of power transmission shaft 400; Second speed changing portion 600, the rotative speed that increases by the 4th finishing bevel gear cuter 500 line output of going forward side by side; And hind axle 700, with the speed rotation of second speed changing portion, 600 outputs, and first and second speed changing portions 200,600 comprise: carriage 210,610 is fixedly connected on respectively on pedal shaft 100 and the 4th finishing bevel gear cuter 500; Compound planet gear 220,620; Thereby form at least three pairs of at least three strut bar 212,612 free rotation mode settings independently of one another with outstanding on the imaginary circumference of the one side of carriage 210,610, mutually different at least three planetary wheel 220a, 220b, 220c, 620a, 620b, 620c constitute by diameter; Internal tooth wheels 230,630 are by connecing and the inner gear 230a, 230b, 230c, 630a, 630b, the 630c that mesh and can rotate freely independently of one another constitute respectively with in each planetary wheel 220a, 220b, 220c, 620a, 620b, the 620c; Sun gear group 240,640, by respectively with each planetary wheel 220a, 220b, 220c, 620a, 620b, 620c is external and engagement and constitute with mutually different diameter integrally formed sun gear 240a, 240b, 240c, 640a, 640b, 640c; Output shaft 250,650 is fixedly connected on the sun gear group 240,640; And speed change lockout mechanism 270,670, optionally some among fixed annulus 230a, 230b, 230c, 630a, 630b, the 630c.
In addition; Chainless bicycle according to the present invention with torque transfer in; Be located at first housing 10 of sustain pedal axle 100 in first speed changing portion 200 and first finishing bevel gear cuter 300; Be located at second housing 20 that supports hind axle axle center 800 in the 4th finishing bevel gear cuter 500 and second speed changing portion 600, horizontal frame 32, the first and second housings 10,20 of being located at the tubulose that connects first housing 10 and second housing 20 in the power transmission shaft 400 possess can switch lid 12,810.
In addition; Chainless bicycle according to the present invention with torque transfer in; With regard to first speed changing portion 200, be formed with strut bar 212 that supports each compound planet gear 220 and the pedal shaft connection pipe 214 that inserts fixed pedestal axle 100 in the one side of carriage 210, be formed with that pedal shaft connection pipe 214 embeds and the output shaft 250 of supported tubulose in a side of sun gear group 240; Further possess with strut bar 212 and link to prevent that each gear cluster 220,230,240 breaks away from and realization good engagement each other; And support the output shaft stay bearing plate 260 of output shaft 250, and first finishing bevel gear cuter 300 is fixedly connected on the output shaft 250.
In addition; Chainless bicycle according to the present invention with torque transfer in; With regard to second speed changing portion 600; Be formed with the strut bar 612 that supports each compound planet gear 620 in the one side of carriage 610, be formed with the 4th finishing bevel gear cuter fixed parts 614 of captive joint the 4th finishing bevel gear cuter 500, further possess with strut bar 612 and link to prevent that each gear cluster 620,630,640 breaks away from and realizes good engagement each other at the another side of carriage 610; And support the output shaft stay bearing plate 660 of the opposite side of output shaft 650, supported mode prolongs and is formed at sun gear group 640 output shaft 650 of tubulose with the inboard that embeds the 4th finishing bevel gear cuter fixed parts 614.
And, first and second speed changing portions 200,600 from the inboard of carriage 210,610 according to radius descending each compound planet gear 220a of arranged in order, 220b, 220c, 620a, 620b, 620c.And each sun gear 240a, 240b, 240c, 640a, 640b, 640c be preferably 1: 0.2 with the gear ratio of each planetary wheel 220a, 220b, 220c, 620a, 620b, 620c～and 3.And; With regard to internal tooth wheels 230, with regard to 630; The diameter of the outer peripheral face of each inner gear 230a, 230b, 230c, 630a, 630b, 630c is identical, at the outer peripheral face of each inner gear 230a, 230b, 230c, 630a, 630b, 630c equidistantly to be formed with a plurality of fastenings protruding 232,632.
In addition; Chainless bicycle according to the present invention with torque transfer in; Speed change lockout mechanism 270,670 comprises: drg 272,672; Moved along the guide groove 14,24 that is formed in first and second housings 10,20 by resilient mounting, and optionally be locked in and be formed at the protruding 232a of the last some fastenings of each inner gear 230a, 230b, 230c, 630a, 630b, 630c, 232b, 232c, 632a, 632b, 632c; Main body 274,674 is formed at first and second housings 10,20 with the mode that coats the track that drg 272,672 moves, and possess can switch lid 275,675; And metal wool 276,676, be used for the position of regulating brake 272,672.At this moment, lid 275,675 further possesses guide 275a, the 675a that embeds drg 272,672 and drg 272,672 can be guided slidably.
The invention effect
As top illustrated; Chainless bicycle according to one embodiment of the invention is used torque transfer; Owing to possess first and second speed changing portions that utilize planetary gear apparatus, thereby have the advantage that as existing chain-type bicycle, can realize multiple converter speed ratio easily with multiple gear row.
In addition, have when bicycle stops also variable-ratio, construct fairly simplely, durability is good, and the advantage of transferring power reliably.
And the dismounting trailing wheel is easy, thereby has the replacing of trailing wheel or repair easy advantage.
And then Chainless bicycle of the present invention, can be applied on Electrical Bicycle or the primary mover device bicycle through possessing battery and electro-motor or the combustion engine that is used to make the pedal shaft rotation with torque transfer effectively.
Description of drawings
Fig. 1 is the block diagram that illustrates the Chainless bicycle of the torque transfer that possesses one embodiment of the invention.
Fig. 2 illustrates the block diagram of Chainless bicycle with the framework of torque transfer.
Fig. 3 is the exploded perspective view of expression Chainless bicycle with the pedal side of torque transfer.
Fig. 4 is the cutaway view of the assembled state of presentation graphs 3.
Fig. 5 is the exploded perspective view of expression Chainless bicycle with the rear wheel-side of torque transfer.
Fig. 6 is the cutaway view of the assembled state of presentation graphs 5.
Fig. 7 is the exploded perspective view of expression speed change lockout mechanism of the present invention.
Nomenclature
The 1-Chainless bicycle, 2-torque transfer, 3-trailing wheel, 10-first housing, 20-second housing, 12, the 810-lid; 14,24-guide groove, 32-first horizontal frame, 34-second horizontal frame, 40-first tilt frame, 50-second tilt frame, 100-pedal shaft; The 101-crank, 102-pedal, 200-first speed changing portion, 600-second speed changing portion, 210, the 610-carriage; 211,611-main body, 212, the 612-strut bar, 214-pedal shaft connection pipe, 614-the 4th finishing bevel gear cuter fixed parts, 220, the 620-compound planet gear; 230,630-internal tooth wheels, 240,640-sun gear group, 250, the 650-output shaft, 260,660-output shaft stay bearing plate, 264, the 664-support protrusion; 270,670-speed change lockout mechanism, 272, the 672-drg, 273,673-pin portion, 274, the 674-main body, 275, the 675-lid; 275a, 675a-guide, 276, the 676-metal wool, 278, the 678-spring, 300-first finishing bevel gear cuter, 400-power transmission shaft; 420-middle tap gear, 440-third hand tap gear, 500-the 4th finishing bevel gear cuter, 700-hind axle, 800-hind axle axle center.
The specific embodiment
Specify preferred embodiment of the present invention with reference to the accompanying drawings.At first on inscape note reference marks, even if in different drawings, represent also to use as far as possible identical symbol for identical inscape for each accompanying drawing.
Of the present invention being constructed as follows.
At first, observe according to the Chainless bicycle of one embodiment of the invention formation with reference to accompanying drawing with torque transfer.
Fig. 1 is the block diagram that illustrates the Chainless bicycle of the torque transfer that possesses one embodiment of the invention.Fig. 1 as shown in, make the rotative speed conversion of pedal shaft 100 drive trailing wheel 3 according to the torque transfer 2 of one embodiment of the invention.At this moment, as shown in Figure 1, pedal 102 is connected with pedal shaft 100 through crank 101, makes pedal shaft 100 rotations of torque transfer 2 through pushes pedals 102.In addition, for making pedal shaft 100 rotations, battery (not shown) and electro-motor (not shown) or primary mover (not shown) can be set on Chainless bicycle 1.Promptly, torque transfer 2 of the present invention can be applicable on Electrical Bicycle and the primary mover device bicycle.At this moment, primary mover device bicycle is meant that by free air capacity in the two-wheel car of the 3rd regulation of Korea S's vehicle management method be the two-wheel car below the 125cc, for example motor bike, motor scooter etc.
Fig. 2 illustrates the block diagram of Chainless bicycle with the framework of torque transfer.Torque transfer according to one embodiment of the invention is arranged on the framework as shown in Figure 2.According to one embodiment of the invention, framework is made up of horizontal frame 32,34 and tilt frame 40,50 on the whole.It is desirable to this moment, and horizontal frame 32,34 has tubulose, and possess a pair of with the mode of the left and right sides that is positioned at bicycle 1.In addition, be formed with first housing 10 cylindraceous, be formed with second housing 20 cylindraceous at the connecting portion of first horizontal frame 32 and second tilt frame 50 at the connecting portion of first horizontal frame 32 and first tilt frame 40.Be provided with pedal shaft 100, first speed changing portion 200, first finishing bevel gear cuter 300 and middle tap gear 420 at first housing 10, be provided with third hand tap gear 440, the 4th finishing bevel gear cuter 500, second speed changing portion 600 at second housing 20.In addition, be provided with power transmission shaft 400 in first horizontal frame, 32 inside.And, be respectively equipped with lid 12,810 at first housing 10 and second housing 20.
Fig. 3 is the exploded perspective view of expression Chainless bicycle with the pedal side of torque transfer; Fig. 4 is the cutaway view of the assembled state of presentation graphs 3; Fig. 5 is the exploded perspective view of expression Chainless bicycle with the rear wheel-side of torque transfer, and Fig. 6 is the cutaway view of the assembled state of presentation graphs 5., roughly possess power transmission shaft 400 that second and third finishing bevel gear cuter 420,440 is arranged, the 4th finishing bevel gear cuter 500, second speed changing portion 600 and hind axle 700 according to the torque transfer of one embodiment of the invention and constitute to shown in Figure 6 like Fig. 3 by pedal shaft 100, first speed changing portion 200, first finishing bevel gear cuter 300.
Pedal shaft 100 rotatably is arranged at first housing 10.
First speed changing portion 200 is arranged at first housing 10, utilizes the planetary gear apparatus with multiple gear row, the line output thereby the rotative speed that plays a part to increase pedal shaft 100 is gone forward side by side.As shown in Figure 3, first speed changing portion 200 is made up of carriage 210, compound planet gear 220, internal tooth wheels 230, sun gear group 240, output shaft 250, speed change lockout mechanism 270 substantially.
Carriage 210 possesses the main body 211 that forms circular tabular body on the whole.In addition, be formed with that pedal shaft 100 embeds and the pedal shaft connection pipe 214 that is fixed in the central authorities of carriage 210.Thus, make carriage 210 with pedal shaft 100 rotations.In addition, be that outstanding formation is useful on the strut bar 212 that compound planet gear 220 is set on the imaginary circumference at center with pedal shaft connection pipe 214 in the one side of carriage 210.At this moment, strut bar 212 equidistantly forms at least three.On the other hand, between pedal shaft connection pipe 214 and pedal shaft 100, can possess one-way clutch bearing (not shown).One-way clutch bearing (not shown) only makes carriage 210 rotation under the situation that pedal shaft 100 is just being changeed, idle running under the situation of pedal shaft 100 counter-rotatings and do not make carriage 210 rotations.Therefore, only when pedal shaft 100 is just changeing to trailing wheel 3 transferring power.
Sun gear group 240 is made up of three sun gear 240a, 240b, 240c so that can be external and mesh with three pairs of compound planet gears 220, and each sun gear 240a, 240b, 240c have mutually different diameter.At this moment, each sun gear 240a, 240b, 240c are integrally formed and rotate.
On the other hand, illustrated each the sun gear 240a in front, 240b, 240c and each planetary wheel 220a, 220b, 220c are that the mode of 1: 0.2～3 scope constitutes to have the gear ratio.To specify in the back this.
On the other hand; Output shaft stay bearing plate 260 is circular slabs that central authorities are formed with output shaft patchhole 262; Link with the strut bar 212 of carriage 210; The support protrusion 264 that on a face, is provided with and the outstanding ring-type that form corresponding with each gear cluster 220,230,240 to be preventing each gear cluster 220,230,240 and break away from and to realize good engagement each other, and supports output shaft 250.In addition, between output shaft 250 and output shaft patchhole 262, be provided with bearing B.
On the other hand, possess in the speed change lockout mechanism 270 of first speed changing portion 200 and constituting and using identical thereby explanation in the lump in the back with the speed change lockout mechanism 670 that possesses in second speed changing portion 600.
First finishing bevel gear cuter 300 is fixedly connected on the end of output shaft 250, with the speed rotation of first speed changing portion, 200 outputs.
On the other hand, first housing 10 possesses lid 12 and exposes the outside to prevent first speed changing portion 200 and first finishing bevel gear cuter 300.
The 4th finishing bevel gear cuter 500 keys are linked to the carriage 610 of second speed changing portion 600, and with 440 engagements of the third hand tap gear of power transmission shaft 400, thereby the rotational force of orthogonal transformation power transmission shaft 400 and providing to second speed changing portion 600.
Second speed changing portion 600 is arranged at second housing 20, plays a part to utilize the planetary gear apparatus with multiple gear row and the rotative speed that increases by the 4th finishing bevel gear cuter 500 line output of going forward side by side.The carriage 610 of second speed changing portion 600, compound planet gear 620, internal tooth wheels 630, sun gear group 640, output shaft 650 and speed change lockout mechanism 670 formation with first speed changing portion 200 on the whole are identical.Be main describing below with the feature.
Carriage 610 is formed with the strut bar 612 that supports each compound planet gear 620 on a face of main body 611, on another face, be formed with the 4th finishing bevel gear cuter fixed parts 614 of captive joint the 4th finishing bevel gear cuter 500.In addition, output shaft 650 has tubulose and supported mode forms along a side of sun gear group 640 more longways with the inboard that embeds the 4th finishing bevel gear cuter fixed parts 614, and opposite side prolongs formation shortly.In addition; Output shaft stay bearing plate 660 is circular slabs that central authorities are formed with output shaft patchhole 662; Link with the strut bar 612 of carriage 610; The support protrusion 664 that on a face, is provided with and the outstanding ring-type that form corresponding with each gear cluster 620,630,640 to be preventing each gear cluster 620,630,640 and break away from and to realize good engagement each other, and plays a part to support the opposite side of output shaft 650.
On the other hand, hind axle 700 embeds the hub spindle (not shown) of trailing wheels 3 and integrally formed with trailing wheel 3.Thus, if output shaft 650 links with hind axle 700 keys and rotates, then trailing wheel 3 is with the speed drive of second speed changing portion, 600 outputs.At this moment, it is desirable to, between hind axle 700 and hub spindle (not shown), one-way clutch bearing (not shown) is set.This is under the situation of also soon just changeing for output shaft 650 rotative speeds at local trailing wheel 3 to the second speed changing portions 600 as the downhill path, thereby makes trailing wheel 3 idle running prevent to bring influence to second speed changing portion 600.
On the other hand, as shown in Figure 5, hind axle axle center 800 at one end is formed with the lid 810 of the opposite side of switch second housing 20, and embeds in the output shaft 650.At this moment, output shaft 650, hind axle 700 and trailing wheel 3 are supported in hind axle axle center 800, and the end thread in hind axle axle center 800 is attached in the graphic connect apertures 60 of Fig. 2, break away from framework to prevent trailing wheel 3.
Therefore; In second speed changing portion 600; The device of each gear cluster 620,630,640 that comprises output shaft 650 is integrated through the output shaft stay bearing plate 660 that links with the strut bar of carriage 610 612, thus with hind axle axle center 800 easily from framework dismounting trailing wheel 3.
Fig. 7 is the exploded perspective view of expression speed change lockout mechanism of the present invention.Speed change lockout mechanism 270,670 is separately positioned on first housing 10 and second housing 20 and plays a part to regulate the output speed of first speed changing portion 200 and second speed changing portion 600.The formation of the first speed change lockout mechanism 270 and the second speed change lockout mechanism 670 and act on identically thereby followingly only describes the first speed change lockout mechanism 270.As shown in Figure 7, the first speed change lockout mechanism 270 comprises drg 272, main body 274 and metal wool 276 substantially and constitutes.
Through the operation of shifter bar (not shown), this metal wool 276 makes drg 272 move along guide groove 14 in spring 278 at resilient mounting.
Chainless bicycle is following with the action of torque transfer.
Below with reference to the action of the Chainless bicycle of description of drawings one embodiment of the invention with torque transfer.
First speed changing portion 200 and second speed changing portion 600 according to one embodiment of the invention utilize the planetary gear apparatus with multiple gear row to accomplish following chronotropic action.
At first, through the carriage 210,610 that the rotative speed with pedal shaft 100 or the 4th finishing bevel gear cuter 500 rotates, each planetary wheel 220a, 220b, 220c, 620a, 620b, 620c are the center rotation with pedal shaft 100 or hind axle axle center 800.In addition; Some drgs 272,672 that passes through are fixed among each inner gear 230a of ingear, 230b, 230c, 630a, 630b, the 630c with connecing in each planetary wheel 220a, 220b, 220c, 620a, 620b, the 620c, cooresponding therewith planetary wheel and sun gear rotation.At this moment, remaining inner gear idle running.Its result, thus output shaft 250,650 rotations of being fixed in sun gear group 240,640 realize speed change.
On the other hand, first speed changing portion 200 and second speed changing portion 600 according to each sun gear 240a, 240b, 240c, 640a, 640b, 640c and therewith the gear of planet gear meshed than the rotative speed that increases pedal shaft 100 line output of going forward side by side.For example, be that output shaft 250 is with 4 times rotative speed rotation of pedal shaft 100 under 1: 1.5 the situation at the gear ratio of the first sun gear 240a, 640a and the first planetary wheel 220a, 620a.In addition, under the situation of gear than 1: 1 of secondary sun wheel 240b, 640b and the second planetary wheel 220b, 620b, output shaft 250 is with 3 times rotative speed rotation of pedal shaft 100.In addition, under the situation of gear than 1: 0.5 of the 3rd sun gear 240c, 640c and the third line star gear 220c, 620c, output shaft 250 is with 2 times rotative speed rotation of pedal shaft 100.Therefore, first speed changing portion 200 and second speed changing portion 600 can carry out 3 grades of speed changes separately.At this moment, first speed changing portion 200 is connected through power transmission shaft 400 with second speed changing portion 600, thereby Chainless bicycle can carry out totally 9 grades of speed changes with torque transfer 2.And the number of gears of compound planet gear 220,620, internal tooth wheels 230,630 and sun gear group 240,640 through increasing by first speed changing portion 200 and second speed changing portion 600 can also realize the speed change more than 9 grades.
Like this, Chainless bicycle of the present invention possesses with torque transfer 2 and utilizes planetary first and second speed changing portions 200,600, thereby can as existing chain-type bicycle, realize multiple speed change.
And, utilize speed change lockout mechanism 270,670 also variable-ratio when Chainless bicycle 1 stops.And it is fairly simple to have a structure, and durability is good, and the advantage of transferring power reliably.
And in second speed changing portion 600, the output shaft stay bearing plate 660 through the strut bar 612 with carriage 610 links makes the apparatus integration of each gear cluster 620,630,640 that comprises output shaft 650, thereby has easy advantage from framework dismounting trailing wheel 3.
Though in conjunction with above mentioned preferred embodiment the present invention has been described; But those skilled in the art know that; Under the situation that does not exceed main idea of the present invention and scope, can carry out various modifications and distortion, and this change and revise the scope all belong to claims of enclosing.
Claims (10)
1. a Chainless bicycle is used torque transfer, it is characterized in that, comprising:
First speed changing portion (200) is arranged on the pedal shaft (100), the rotative speed that increases above-mentioned pedal shaft (100) line output of going forward side by side;
First finishing bevel gear cuter (300) is arranged on the above-mentioned pedal shaft (100), with the speed rotation of above-mentioned first speed changing portion (200) output;
Power transmission shaft (400) at one end possesses and above-mentioned first finishing bevel gear cuter (300) ingear middle tap gear (420);
The 4th finishing bevel gear cuter (500) is with third hand tap gear (440) engagement that possesses in the other end of above-mentioned power transmission shaft (400);
Second speed changing portion (600), the rotative speed that increases above-mentioned the 4th finishing bevel gear cuter (500) line output of going forward side by side; And
Hind axle (700), with the speed rotation of above-mentioned second speed changing portion (600) output, and,
Above-mentioned first and second speed changing portions (200,600) comprising:
Carriage (210,610) is fixedly connected on respectively on above-mentioned pedal shaft (100) and above-mentioned the 4th finishing bevel gear cuter (500);
Compound planet gear (220,620); Form at least three strut bars (212,612) thereby at least three pairs of free rotation mode settings independently of one another with outstanding on the imaginary circumference of the one side of above-mentioned carriage (210,610), constitute by mutually different at least three planetary wheels of diameter (220a, 220b, 220c, 620a, 620b, 620c);
Internal tooth wheels (230,630) are by connecing and the inner gear (230a, 230b, 230c, 630a, 630b, 630c) that meshes and can rotate freely independently of one another constitutes respectively with in above-mentioned each planetary wheel (220a, 220b, 220c, 620a, 620b, 620c);
Sun gear group (240,640) is by the external and engagement and constitute with the integrally formed sun gear of mutually different diameter (240a, 240b, 240c, 640a, 640b, 640c) with above-mentioned each planetary wheel (220a, 220b, 220c, 620a, 620b, 620c) respectively;
Output shaft (250,650) is fixedly connected on the above-mentioned sun gear group (240,640); And
Speed change lockout mechanism (270,670), some in the optionally fixing above-mentioned inner gear (230a, 230b, 230c, 630a, 630b, 630c).
2. Chainless bicycle according to claim 1 is used torque transfer, it is characterized in that,
Be located at first housing (10) that supports above-mentioned pedal shaft (100) in above-mentioned first speed changing portion (200) and above-mentioned first finishing bevel gear cuter (300),
Be located at second housing (20) that supports above-mentioned hind axle axle center (800) in above-mentioned the 4th finishing bevel gear cuter (500) and above-mentioned second speed changing portion (600),
Be located at the horizontal frame (32) of the tubulose that connects said first shell (10) and above-mentioned second housing (20) in the above-mentioned power transmission shaft (400),
Above-mentioned first and second housings (10,20) possess can switch lid (12,810).
3. Chainless bicycle according to claim 1 is used torque transfer, it is characterized in that,
With regard to above-mentioned first speed changing portion (200),
One side at carriage (210) is formed with strut bar (212) that supports above-mentioned each compound planet gear (220) and the pedal shaft connection pipe (214) that inserts fixing above-mentioned pedal shaft (100),
Be formed with that above-mentioned pedal shaft connection pipe (214) embeds and the above-mentioned output shaft (250) of supported tubulose in a side of above-mentioned sun gear group (240),
Further possess with above-mentioned strut bar (212) and link preventing that above-mentioned each gear cluster (220,230,240) breaks away from and realizes good engagement each other, and support the output shaft stay bearing plate (260) of above-mentioned output shaft (250), and,
Above-mentioned first finishing bevel gear cuter (300) is fixedly connected on the above-mentioned output shaft (250).
4. Chainless bicycle according to claim 1 is used torque transfer, it is characterized in that,
With regard to above-mentioned second speed changing portion (600),
One side at carriage (610) is formed with the strut bar (612) that supports above-mentioned each compound planet gear (620); Be formed with the 4th finishing bevel gear cuter fixed parts (614) of above-mentioned the 4th finishing bevel gear cuter of captive joint (500) at the another side of carriage (610); Further possess with above-mentioned strut bar (612) and link to prevent that above-mentioned each gear cluster (620,630,640) breaks away from and realization good engagement each other; And support the output shaft stay bearing plate (660) of the opposite side of above-mentioned output shaft (650), and
Supported mode prolongs and is formed at above-mentioned sun gear group (640) the above-mentioned output shaft (650) of tubulose with the inboard that embeds above-mentioned the 4th finishing bevel gear cuter fixed parts (614).
5. use torque transfer according to claim 3 or 4 described Chainless bicycles, it is characterized in that,
Above-mentioned first and second speed changing portions (200,600) from the inboard of above-mentioned carriage (210,610) according to above-mentioned each compound planet gear of the descending arranged in order of radius (220a, 220b, 220c, 620a, 620b, 620c).
6. Chainless bicycle according to claim 1 is used torque transfer, it is characterized in that,
Above-mentioned each sun gear (240a, 240b, 240c, 640a, 640b, 640c) is 1: 0.2～3 with the gear ratio of above-mentioned each planetary wheel (220a, 220b, 220c, 620a, 620b, 620c).
7. Chainless bicycle according to claim 1 is used torque transfer, it is characterized in that,
With regard to above-mentioned internal tooth wheels (230,630),
The diameter of the outer peripheral face of above-mentioned each inner gear (230a, 230b, 230c, 630a, 630b, 630c) is identical,
At the outer peripheral face of above-mentioned each inner gear (230a, 230b, 230c, 630a, 630b, 630c) equidistantly to be formed with a plurality of fastenings protruding (232,632).
8. use torque transfer according to claim 1 or 7 described Chainless bicycles, it is characterized in that,
Above-mentioned speed change lockout mechanism (270,670) comprising:
Drg (272,672); Moved along the guide groove (14,24) that is formed in above-mentioned first and second housings (10,20) by resilient mounting, and optionally be locked in the some fastenings protruding (232a, 232b, 232c, 632a, 632b, 632c) that are formed on above-mentioned each inner gear (230a, 230b, 230c, 630a, 630b, 630c);
Main body (274,674) is formed at above-mentioned first and second housings (10,20) with the mode that coats the track that above-mentioned drg (272,672) moves, and possess can switch lid (275,675); And
Metal wool (276,676) is used to regulate the position of above-mentioned drg (272,672).
9. Chainless bicycle according to claim 8 is used torque transfer, it is characterized in that,
Above-mentioned lid (275,675) further possesses the guide (275a, 675a) that embeds above-mentioned drg (272,672) and above-mentioned drg (272,672) can be guided slidably.
10. Electrical Bicycle or primary mover device bicycle use torque transfer is characterized in that,
Each described pedal shaft (100) is connected with electro-motor or primary mover in the claim 1 to 4.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2009-0061998 | 2009-07-08 | ||
| KR1020090061998A KR101135884B1 (en) | 2009-07-08 | 2009-07-08 | Power transmission apparatus of chainless bicycle |
| PCT/KR2010/004348 WO2011004988A2 (en) | 2009-07-08 | 2010-07-05 | Power transmission device for a chainless bicycle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102470911A true CN102470911A (en) | 2012-05-23 |
| CN102470911B CN102470911B (en) | 2014-04-02 |
Family
ID=43429650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201080030918.0A Expired - Fee Related CN102470911B (en) | 2009-07-08 | 2010-07-05 | Power transmission device for a chainless bicycle |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP5716252B2 (en) |
| KR (1) | KR101135884B1 (en) |
| CN (1) | CN102470911B (en) |
| TW (1) | TWI403431B (en) |
| WO (1) | WO2011004988A2 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109591943A (en) * | 2017-09-28 | 2019-04-09 | 罗伯特·博世有限公司 | Driving assembly for vehicle |
| CN106005222B (en) * | 2015-03-31 | 2019-09-20 | 株式会社岛野 | Bicycle drive unit and bicycle including the driving unit |
| CN110282067A (en) * | 2019-08-12 | 2019-09-27 | 苏州万佳电器有限公司 | Driving mechanism is set in a kind of and with the moped for setting driving mechanism in this |
| CN111071383A (en) * | 2020-01-09 | 2020-04-28 | 浙江大学 | Multi-stage speed variator for axle transmission of bicycle |
| CN114148444A (en) * | 2021-10-29 | 2022-03-08 | 上海第二工业大学 | Three-gear speed-changing chainless transmission shaft of bicycle |
| TWI763313B (en) * | 2021-02-18 | 2022-05-01 | 明揚創意科技有限公司 | Axle drive for bicycles |
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| KR101498923B1 (en) * | 2013-05-02 | 2015-03-12 | (주)일지테크 | Multi stage gear type transmission |
| CN103708368B (en) * | 2013-12-17 | 2016-05-11 | 中联重科股份有限公司 | Gear ratio device for hoisting mechanism, hoisting mechanism and crane |
| KR20170036189A (en) * | 2015-09-23 | 2017-04-03 | 주식회사 아덴 | Chainless transmission mechanism for bicycle |
| CN110382341A (en) * | 2016-12-29 | 2019-10-25 | 河太焕 | Multistage speed-changing bicycle |
| DE102017212347A1 (en) * | 2017-07-19 | 2019-01-24 | Robert Bosch Gmbh | Bottom bracket drive of a bicycle |
| WO2019086064A1 (en) * | 2017-11-02 | 2019-05-09 | Wilfried Donner | Drive train comprising two separate shiftable gear mechanisms which are coupled by means of intermediate gear mechanisms |
| CN113028021B (en) * | 2021-02-26 | 2024-05-17 | 苏州市职业大学 | Chainless multistage speed change mechanism |
| CN117897329A (en) * | 2021-05-28 | 2024-04-16 | 克拉瑟法特赛科凌有限公司 | Continuously variable transmission unit, such as for bicycles |
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| CN114148444A (en) * | 2021-10-29 | 2022-03-08 | 上海第二工业大学 | Three-gear speed-changing chainless transmission shaft of bicycle |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2012532789A (en) | 2012-12-20 |
| KR20110004539A (en) | 2011-01-14 |
| TW201116447A (en) | 2011-05-16 |
| TWI403431B (en) | 2013-08-01 |
| KR101135884B1 (en) | 2012-04-17 |
| WO2011004988A2 (en) | 2011-01-13 |
| WO2011004988A3 (en) | 2011-04-07 |
| JP5716252B2 (en) | 2015-05-13 |
| CN102470911B (en) | 2014-04-02 |
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