CN106741534A - A kind of flywheel and the bicycle using the flywheel - Google Patents

Abstract

A kind of flywheel and the bicycle using the flywheel, flywheel include ratchet, ratchet, pawl wheel, and there is axle skin pawl wheel inner side, has screw thread on axle skin, are fixedly mounted on wheel or middle driven pulley, and wheel or middle driven pulley are arranged on wheel shaft by bearing.Bicycle includes handlebar, vehicle seat, vehicle frame, pedal, wheel and the annex such as brake, bicycle bell, it is a groove wheel on the outside of the ratchet of flywheel, on the inside of groove wheel, with ratchet and show the spring leaf of a winding, one end of spring leaf is fixed on wheel shaft, the other end is fixed on groove wheel inner side, steel wire rope is wound with the groove wheel of flywheel, when pedal is stepped on downwards, pedal drives steel wire rope, make flywheel by lineoutofservice signal pull, turn an angle so that the ratchet of flywheel promotes vehicle wheel rotation.When pedal is up lifted, not by the power of steel wire rope, flywheel is returned to not by the angle before lineoutofservice signal pull flywheel in the presence of the elastic force of the spring leaf arranged side by side with ratchet.

Description

A kind of flywheel and the bicycle using the flywheel

Technical field

The present invention relates to a kind of most common vehicles --- bicycle.

Background technology

China is bikedom, and nearly 400,000,000 of the social recoverable amount of bicycle analyzes the type of drive of bicycle, almost Entirely using foot-operated, move in a circle and bicycle is done work.The acting process of this kind of bicycle is analyzed, the side of applying power is found To being straight down, the level moment to be in the crank of pedal when axis is connected, power is identical with the angle of displacement, and acting is most Greatly, at the vertical moment at crank, power is 90 ° with the angle of displacement, and it is 0 to do work.That is, a circumference is ridden, acting It is change.People is the relaxation by thigh, shank when to pedal applying power, and a portion of whole people's gravity is passed Pass pedal.Here there are problems that two：1. crank each rotation, thigh, shank relaxation once, easily fatigue, 2. every Circle, even if force is identical, but acting is not all maximum.Somebody makes foot-operated circular motion into one section of song of circular arc state Handle bar linkage structure, by taking " Dezhou 5 ten days old man develops Labor-saving high-speed bicycle " reported for the previous period as an example, this structure acting Improve, but pedal force frequency of riding will be in step with vehicle wheel rotation, and step on that to pedal sewing machine similar.In fact, people are in height Frequency is stepped on after pedaling pedal more than ten time, and muscle is sour swollen, it is necessary to slow down, that bicycle is unable to handle --- and even that is voluntarily Car installs flywheel also bad realization, because pedal force wants Phase synchronization with pedal displacement.

The content of the invention

In order to overcome the shortcomings of existing bicycle, the present invention provides a kind of flywheel and the bicycle using the flywheel, should Car can solve the problem that two problems of the above：1. pedal linear motion, thigh, the range of movement reduction of shank, indefatigability can Trampled with exerting a force at any time, can stop trampling at any time.2. ride acting and be always maintained at maximum.

The technical solution adopted for the present invention to solve the technical problems is：A kind of flywheel and the bicycle using the flywheel, The flywheel includes ratchet, ratchet, pawl wheel, and there is axle skin the pawl wheel inner side, has screw thread on the axle skin, is fixedly mounted on On wheel or middle driven pulley, the wheel or middle driven pulley are arranged on wheel shaft by bearing；The bicycle bag The annexes such as handlebar, vehicle seat, vehicle frame, pedal, wheel and brake, bicycle bell are included, the ratchet outside of the flywheel is a drop center wheel Son, on the inside of groove wheel, with ratchet and shows the spring leaf of a winding, and one end of spring leaf is fixed on wheel shaft, the other end Groove wheel inner side is fixed on, steel wire rope is wound with the band groove wheel, one end of the steel wire rope is fixed on drop center wheel On son, the other end exposes；The ratchet has 1-3 pairs, and every a pair of ratchets point to the position of ratchet recesses has staggered same phase； The bicycle pedal is arranged on translating rails, and the translating rails are fixed on vehicle frame, what the groove wheel exposed Steel wire rope is fixed on the pedal by fixed pulley or steel wire rope sheath, each described pedal and one it is described fly Wheel correspondence, is connected by steel wire rope, and the quantity of the pedal and flywheel on the bicycle is even number；Each two pedal Between, there are two fixed pulleys, there is another steel wire rope between described two fixed pulleys, two fixed pulleys of bridging are coiled into one week, described Two pedals are also coupled to the upper of another steel wire rope, and described two fixed pulleys are fixed on vehicle frame.The flywheel is mounted in institute State on bicycle rear axle, or on vehicle frame between trailing wheel and front-wheel, when the flywheel is arranged on vehicle frame, institute State the one side on the outside of groove wheel has sprocket in addition, separately has chain to bridge the sprocket and is connected with the trailing wheel with sprocket. Bicycle saddle lower section is provided with translating rails, and the one end for having a steel wire rope is connected on translating rails, steel wire rope it is another One end is connected with steel wire rope flexible jumper, and steel wire rope flexible jumper is connected to one of flywheel；The bicycle handle bar Handlebar translating rails are installed, the one end for having a steel wire rope is connected on the handlebar translating rails, the steel wire rope it is another End is connected with steel wire rope flexible jumper, and steel wire rope flexible jumper is connected to another flywheel.The front wheel, trailing wheel Wheel total number be 2-4.Operation principle of the invention is, the wheel shaft of flywheel is fixed on motionless on vehicle frame, and wheel is with respect to car Frame is moved in a circle, and steel wire rope is wound with the groove wheel of flywheel, and when pedal is stepped on downwards, pedal drives steel wire Rope, makes flywheel by lineoutofservice signal pull, turns an angle so that the ratchet of flywheel promotes vehicle wheel rotation；When pedal is up lifted When rising, not by the power of steel wire rope, flywheel is returned to and does not receive steel flywheel in the presence of the elastic force of the spring leaf arranged side by side with ratchet Angle before cord pulling force.Between each two pedal, there are two fixed pulleys, there is another steel wire rope between described two fixed pulleys Connect to one week, described two pedals are also coupled to the upper of another steel wire rope, described two fixed pulleys are fixed on vehicle frame.So Purpose ensure that a pedal is moved down, necessarily there is another pedal to move up, so trample nature, comfortable. The quantity of pedal and flywheel on bicycle is even number, is at least 2 pedals of a bicycle said, correspondence 2 flies Wheel a, because people has two pin.One bicycle can also use 4 pedals, and another 2 use only for the people for taking below. If 4 wheel visit bicycles, 2 pedals can be mixed to each occupant according to the number taken, correspond to 2 flywheels, All flywheels are installed on driving shaft.Because there is certain length on the ratchet recesses inclined-plane of flywheel, ratchet has 1-3 pairs, every a pair of spine Pawl point has staggered same phase to the position of ratchet recesses, the purpose for the arrangement is that, overcome ratchet to be reached on ratchet recesses inclined-plane Range ability, makes ratchet promote ratcheting motion quickly.When pin just starts down to pedal, if ratchet recesses chamfer length mistake Long, pedal can empty mobile one piece of distance（Such as 1 centimetre）, cyclist substantially feels to obtain by all of a sudden once.So, it is several right to install The purpose of ratchet is exactly, and when this pair of ratchets do not push up ratchet recesses, the smaller top that takes the lead in of other phases is arrived, when wherein On a pair of ratchet tops during ratchet recesses, or else remaining ratchet can push up because phase is different.Certainly, reduce ratchet recesses oblique The length in face, is also a kind of method for reducing ratchet in ratchet recesses inclined-plane range ability.After flywheel is directly installed on bicycle Compare on axle and save trouble, but the design of influence rear axle drive, on the vehicle frame between trailing wheel and front-wheel, can solve the problem that speed change Problem.When flywheel is arranged on vehicle frame, there are sprocket, sprocket and flywheel in the one side on the outside of the groove wheel of flywheel in addition Pawl wheel UNICOM, sprocket is by chain and trailing wheel with sprocket（Or front-wheel）Couple together, impart power to trailing wheel （Or front-wheel）.If being provided with translating rails below bicycle saddle, the power that people's pedal and low back top are produced（This power Gravity can be more than）, flywheel is passed to, this mode is most easily used in the very low tricycle of vehicle body.The flywheel of vehicle seat connection Or using original steel wire rope connect pedal wheel because people can not possibly whole body have an effect, change it is a kind of output power mode, Contribute to the rest of part body.Steel wire rope flexible jumper have it is ready-made sell, the steel wire rope of vehicle seat translating rails passed through Steel wire rope flexible jumper connects or disconnects flywheel and is easier.Translating rails are installed in bicycle handle bar, handlebar can be with Vertical direction is moved, and does not influence to turn, it is also possible to which the displacement that the strength of hand is produced is passed into another flywheel.The bicycle Cart, tricycle and carriage can be designed to.

The beneficial effects of the invention are as follows overturning the centuries and come the unalterable power delivery mode of bicycle, output work one Straight to keep maximum, the angle of legs and feet bending is small, is difficult to tire out；Almost whole people's weight is all applied on car, output power is big； Convenient processing and manufacture.

Brief description of the drawings

The present invention is further described with reference to the accompanying drawings and examples.

Fig. 1 is the positive sectional structural map of flywheel of the invention.

Fig. 2 is the positive another sectional structural map more outside again than Fig. 1 section of flywheel of the invention.

Fig. 3 is flywheel front of the invention schematic perspective view.

Fig. 4 is pedal exercising system construction drawing of the invention.

Fig. 5 is two wheel bicycles structure chart of the invention.

Fig. 6 is tricycle structure chart of the invention.

1 ratchet in figure, 2. ratchet, 3. pawl wheel, 4 axle skins, 5. bearing, 6. wheel shaft, 7. groove wheel, 8. steel Cord, 9. spring leaf, 10. sprocket, 11. Vehicular left pedals, 12. left rails, 13. left steel wire ropes, 14. left sheaths, 15. is right Pedal, 16. right guide rails, 17. right steel wire ropes, 18. right sheaths, fixed pulley on 19., 20. times fixed pulleys, 21. another steel wire ropes, 22. flywheels, 23. vehicle seat translating rails, 24. left handles, 25. left guide rails, 26. left handlebar steel wire ropes, 27. steel wire ropes shield Set, 28. change pulleys, 29. chains, 30. flat boards, 31. steering spindles, 32. square tube shape guide rails, 33. back-moving springs, 34. locking screws Nail, handle before 35., steel wire rope before 36., 37. rotating shafts, 38. opening and closing springs.

Specific embodiment

In Fig. 1, the flywheel includes ratchet 1, ratchet 2, pawl wheel 3, and the inner side of pawl wheel 3 is axle skin 4, has spiral shell on axle skin 4 Line, is fixedly mounted on wheel or middle driven pulley, and wheel or middle driven pulley are arranged on wheel shaft 6 by bearing 5, spine The outside of wheel 1 is a groove wheel 7, and steel wire rope 8 is wound with groove wheel 7, and one end of steel wire rope 8 is fixed on groove wheel 7 On, the other end exposes.Ratchet 2 has 3 pairs in Fig. 1, and every a pair of ratchets point to the position of ratchet recesses has staggered same phase, wherein A pair of ratchets have been withstood in ratchet recesses, and its one or two couple is not withstood in ratchet recesses due to phase difference.In Fig. 1, work as pulling During 8 certain distance of steel wire rope, groove wheel 7 turns over certain angle, and ratchet 1 and groove wheel 7 are one, also turn over certain angle Degree, in having withstood on ratchet recesses due to the ratchet having, drives pawl wheel 3 to turn over same angle.The rotation of pawl wheel 3 connects with wheel Together, driving moment rotates an angle.When the steel wire rope 8 is given up, inside flywheel, a restoring force is designed, steel wire Rope 8 retracts original position, as shown in Figure 2.Fig. 2 is the positive another sectional structural map more outside again than Fig. 1 section of flywheel.Ratchet 1, Ratchet 2, pawl wheel 3 and bearing 5 are blocked in the inside, can't see, and with ratchet 1 and show the spring leaf 9 of a winding, spring leaf 9 One end is fixed on wheel shaft 6, and the other end is fixed on the inner side of groove wheel 7, and fixed mode can use screw, it is also possible to use Draw-in groove etc..In order to further illustrate flywheel structure, flywheel front of the invention schematic perspective view is represented by Fig. 3, in Fig. 3, ratchet 1st, ratchet 2, pawl wheel 3 and the dotted line of bearing 5 draw, and in the inner side along axis of flywheel, spring leaf 9 is drawn with thick line.Fig. 3 In, when steel wire rope 8 is toward Zola, ratchet 1 drives pawl wheel 3 to turn over certain angle, pawl wheel 3 and wheel UNICOM by ratchet 2, Turn a wheel.When steel wire rope does not have pulling force, in the presence of the elastic force of the spring leaf 9 arranged side by side with ratchet 1, returning to does not have By the angle before lineoutofservice signal pull.Sprocket 10 be with the UNICOM of pawl wheel 3, its purposes is that the flywheel shown in Fig. 3 is arranged on Two centres of wheel（It is not directly installed in Wheel shaft）When on vehicle frame, sprocket 10 is by chain and the trailing wheel with sprocket （Or front-wheel）Couple together, after imparting power to（Or front-wheel）Wheel.

The use of ride as the pulling force of flywheel steel wire rope is basic mode of the invention, Fig. 4 is pedal exercising system architecture Figure.Vehicular left pedal 11 is limited on left rail 12 and moves linearly, and Vehicular left pedal 11 is fixed with left steel wire rope 13, left steel wire rope 13 Surrounding has the left sheath 14 of steel wire rope（The shape of sheath, property are similar with electric motor car brake cable sheath）.Right steps 15 are limited to the right side Moved linearly on guide rail 16, right steps 15 are fixed with right steel wire rope 17, there is the right sheath 18 of steel wire rope around left steel wire rope 17. Between two pedals, there are upper fixed pulley 19 and lower fixed pulley 20, there is another steel wire rope 21 to link between two fixed pulleys Cheng Yizhou.Two fixed pulleys are fixed on vehicle frame.Vehicular left pedal 11, right steps 15 are also secured at another steel wire rope 21 simultaneously Correct position, its purpose keeps motion one on the other.

Using two wheel bicycle of the invention as shown in figure 5, in Fig. 5, flywheel of the invention 22 is arranged on rear axle, The internal structure of flywheel 22 only draws spring leaf 9, and flywheel 22 is connected in right steps 15 by steel wire rope 8, and right steps 15 exist Moved linearly on right guide rail 16.There is another flywheel on trailing wheel main shaft, the steel wire rope connection Vehicular left pedal 11 of another flywheel is left Pedal 11 moves linearly on left rail 12.So step on pedal is with the difference of ordinary bicycle：In ordinary bicycle Pedal rotates a circle, and power, with the angle of displacement in change, is to become work(during acting, and pedal of stepping on of the invention does power and displacement Angle it is identical, be constant work(, and be all maximum work.So, do same work(, the movable angle of large and small leg of the invention Reduce, activity reduces.Vehicle seat translating rails 23 can also be installed below bicycle saddle, people's pedal and low back top are produced Raw power（This power can be more than gravity）, flywheel is passed to, this mode is in the very low tricycle of vehicle body（Or ship）In Most easily use.Left guide rail 25 is installed in bicycle left handle 24, left handle 25 is moved along the vertical direction of left rail 24, draws The left segment distance of handlebar steel wire rope 26 1 is moved, there is steel wire rope flexible jumper the left end of handlebar steel wire rope 26.Using vehicle seat and car During displacement, the flywheel steel wire rope 8 that pedal is connected is disconnected first, then flywheel steel wire rope 8 connects with left handlebar steel wire rope 26 It is logical.There is steel wire rope sheath 27 outside of left handlebar steel wire rope 26, big in steel wire rope direction change in order to reduce steel wire rope resistance Place, can add fixed pulley.The same left handle of operation principle of the right handle of bicycle.An alternative embodiment of the invention is design Into tricycle, as shown in Figure 6.In Fig. 6, the operation principle of Vehicular left pedal 11, left rail 12, right steps 15 and right guide rail 16 is such as It is noted earlier, it is not repeated.Flywheel 22 shown in Fig. 3 is mounted between front and back wheel, and sprocket 10 passes through chain 29 and band The change pulley 28 of sprocket is coupled together, and the speed of trailing wheel can be change, and its principle is identical with conventional transmission car.In front and back wheel Between, there is a big flat board 30（Fig. 6 sees the small of modular construction picture clearly due to being easy to）, during using the preceding tricycle driving, can To stand on flat board 30, it is also possible to be sitting on vehicle seat.Flat board 30 is coupled together with front axle by vertical steering spindle 31, Fig. 6 The line slideway of middle vehicle seat has been designed to square tube shape guide rail 32, there is individual back-moving spring 33 inside square tube shape guide rail 32, and people sits On when pushing, vehicle seat produces displacement；When people lifts, vehicle seat returns to origin-location in the presence of back-moving spring 33, under wait Once push.Push and be displaced through steel wire rope and be connected on flywheel.Such to push suitable for resistance very little, body movement amount is small Occasion use.When need not push, there is a lock-screw 34 in the side of vehicle seat, vehicle seat is just when fixing lock-screw 34 Will not move down.Two " π " shapes are designed to 35 by preceding, one of them is maintained static, and one has rotating shaft 37, two Preceding can be opened 35, closed, the displacement between them embodies steel wire rope 36 by preceding, and the preceding displacement steel wire rope 36 is joined Lead to a flywheel, the motion of 35 opening and closing before this, as sculling, drive tricycle to advance.The preceding reset steel wire rope 36 is led to Opening and closing spring 38 is crossed to realize.When driving tricycle using foot-treadle in figure 6, it is also possible to stand, the advantage that stand is can All exported with by whole weight.People are stepped on into ordinary bicycle below and does a quantitative comparison with tricycle of the present invention is stepped on：If One 60 kilograms of people, steps on the power that ordinary bicycle pedal uses 5 kilograms, stepped on pedal in 1 second time and moves 0.6 meter of position Move（One week work done of approximately equal to one foot-treadle）, then the work(for exporting for 1 second（It is also power）For：W=5 kilograms × 9.8 newton/kilogram × 0.6 meter=29.4 joules；This 60 kilograms people, is stand using same power and steps on tricycle of the present invention, The mode stepped on is that centre of body weight is partial to a pin, is whole gravity to pedal applying power, exports same power, its moving displacement Reduce, it is assumed that displacement is X, then：60 kilograms × 9.8 newton/kilogram × X=29.4 joules, solve：X=0.05 meters.Knot By：People shakes body in station on tricycle of the present invention, steps on 5 centimetres of pedal（This is apart from lower thigh, shank substantially without beating It is curved）, it is to ride ordinary bicycle one week equivalent to vehicle seat is sitting in.Such tricycle power is big, and force is light and handy.The present invention can be with Be designed to four-wheel, such as going sight-seeing, each vehicle-mounted 2-5 people, everyone two pedals, two flywheels of correspondence, pedal The flywheel of Steel rope drive is all placed on main shaft, is that people's travel on bike adds enjoyment.

Claims (4)

1. a kind of flywheel and using the flywheel bicycle, the flywheel include ratchet, ratchet, pawl wheel, in the pawl wheel There is axle skin side, has screw thread on the axle skin, is fixedly mounted on wheel or middle driven pulley, the wheel or middle driven Wheel is arranged on wheel shaft by bearing；The bicycle includes handlebar, vehicle seat, vehicle frame, pedal, wheel and brake, bicycle bell etc. Annex, it is characterised in that：The ratchet outside of the flywheel is a groove wheel, on the inside of groove wheel, and ratchet and is shown The spring leaf of one winding, one end of spring leaf is fixed on wheel shaft, and the other end is fixed on groove wheel inner side, the band drop center wheel Steel wire rope is wound with son, one end of the steel wire rope is fixed on groove wheel, and the other end exposes；The ratchet has 1-3 Right, every a pair of ratchets point to the position of ratchet recesses has staggered same phase；The bicycle pedal is arranged on translating rails On, the translating rails are fixed on vehicle frame, and the steel wire rope that the groove wheel exposes passes through fixed pulley or steel wire rope sheath Be fixed on the pedal, each described pedal and a flywheel correspondence are connected by steel wire rope, it is described voluntarily The quantity of the pedal and flywheel on car is even number；Between each two pedal, there are two fixed pulleys, it is described two to determine cunning There is another steel wire rope between wheel, two fixed pulleys of bridging are coiled into one week, and described two pedals are also coupled to the upper of another steel wire rope, Described two fixed pulleys are fixed on vehicle frame.

2. a kind of flywheel according to claim 1 and using the flywheel bicycle, it is characterised in that：The flywheel is peace On the bicycle rear axle, or on vehicle frame between trailing wheel and front-wheel, when the flywheel is arranged on vehicle frame When upper, there is sprocket on the one side on the outside of the groove wheel in addition, separately has chain to bridge the sprocket and the trailing wheel with sprocket Connection.

3. a kind of flywheel according to claim 1 and the bicycle using the flywheel, it is characterised in that:It is described voluntarily Car below-seat is provided with translating rails, and the one end for having a steel wire rope is connected on translating rails, the other end connection of steel wire rope There is steel wire rope flexible jumper, steel wire rope flexible jumper is connected to one of flywheel；The bicycle handle bar is provided with car Translating rails, the one end for having a steel wire rope is connected on the handlebar translating rails, and the other end of the steel wire rope is connected with Steel wire rope flexible jumper, steel wire rope flexible jumper is connected to another flywheel.

4. a kind of flywheel according to claim 1 and the bicycle using the flywheel, it is characterised in that：The bicycle Front-wheel, the wheel total number of trailing wheel are 2-4.