CN102180221B - Variable speed scooter - Google Patents
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- CN102180221B CN102180221B CN2011101088054A CN201110108805A CN102180221B CN 102180221 B CN102180221 B CN 102180221B CN 2011101088054 A CN2011101088054 A CN 2011101088054A CN 201110108805 A CN201110108805 A CN 201110108805A CN 102180221 B CN102180221 B CN 102180221B
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Abstract
The invention relates to the technical field of scooters, in particular to a variable speed scooter. The variable speed scooter comprises a scooter body, a front wheel, a rear wheel and a driving system, wherein the scooter body comprises a power lever and a scooter body bracket; the scooter body bracket is provided with an upper power spindle, a front power spindle and a rear power spindle; the power lever is arranged on the upper power spindle; the driving system comprises a power system and a returning system; the power system comprises an eccentric wheel and a gear driving system, the eccentric wheel is arranged on the front power spindle; the front power spindle is driven to be connected with the rear power spindle by the gear driving system; the power lever is driven to be connected to the eccentric wheel; and the rear wheel is arranged on the rear power spindle. According to the eccentric wheel, the variable speed scooter saves power and has simple variable speed process, and different speeds can be realized by changing a treading travel angle, thereby satisfying the requirements of large upslope power and high flat ground speed.
Description
Technical field
The present invention relates to the scooter technical field, be specifically related to a kind of variable speed scooter.
Background technology
Scooter can be as children, adult at the amusing products in when leisure, walking-replacing tool that people closely go on a journey, body-building apparatus or the like; It integrates amusement, ride instead of walk, body-building, have volume little, in light weight, guide and support conveniently, speed is fast, easy to learn, be fit to the multi-level field and the characteristics such as people's use of age grade section for many years.
The patent No. is that 97230502.5 Chinese utility model patent has been introduced a kind of foot-operated guide plate, is made up of seesaw, support, steel rope, flywheel, leading sheave and front and back wheel etc.The steel rope that install at the seesaw two ends is connected with flywheel through leading sheave.During the seesaw up-and-down movement, steel rope drives flywheel and rotates, and the interlock trailing wheel slides forward.
The patent No. be 01237990.5 Chinese utility model patent introduced a kind ofly utilize that manpower produces power, can supply to play, the actuating device of body-building or the Kickboard Scooter of riding instead of walk; Mainly comprise vehicle body frame; The vehicle body frame below is provided with front-wheel and two groups of wheels of trailing wheel; Stretcher is movably articulated on the vehicle body frame, between stretcher and wheel, is provided with the driving device that the ability drive wheels is rotated.
The patent No. is that 200920078968.0 Chinese utility model patent discloses a kind of reciprocating type gear shift pedal structure that is used for scooter; It has the movable power depression bar that is connected on the scooter kickstand; It also has the power depression bar return mechanism that the power depression bar is upwards scratched; The upper end of power depression bar is connected with Active foot plate through axle and makes this Active foot plate be divided into Active foot plate positive stop end and the laborsaving end two parts of Active foot plate, between the front portion of Active foot plate positive stop end and kickstand, be provided with can restraint pedal action radius the flexible connection member.
But disclosed several kinds of repeatedlies are trampled the riding boogie board car of motion, and starting heavy (or it is big to step on stroke, cause movement angle big) is arranged; Stampede power is big in the motion, and acid, fatigue appear in people's pin easily at short notice; And the laborsaving and speed changing effect on the non-structure makes shortcomings such as its upward slope difficulty.
Summary of the invention
The objective of the invention is to the deficiency to prior art, and a kind of variable speed scooter is provided, this kind variable speed scooter is laborsaving, speed-change process is simple and easy, to heavy, also accelerate with the increase of power thereupon by speed by gently for power.
The present invention realizes through following technology: a kind of variable speed scooter, comprise vehicle body, front-wheel, trailing wheel and drive system, and said vehicle body comprises power lever and body support; Body support is provided with power shaft, preceding power shaft and back power shaft; Said power lever is arranged at power shaft, and said drive system comprises power system, and said power system comprises eccentric wheel and gear train assembly; Said eccentric wheel is arranged at said preceding power shaft; Power shaft drives through said gear train assembly and is connected in said back power shaft before said, and said power lever drives and is connected in said eccentric wheel, and said trailing wheel is arranged at said back power shaft.
The number of said drive system is one; The number of said power lever is one; Said drive system is arranged at the left side or the right side of said body support, and a said drive system is connected in a said power lever, and said drive system also comprises the return system.
Or; The number of said drive system is two, and the number of said power lever is one, and two said drive systems are arranged at the left side and the right side of said body support respectively; Two said drive systems are connected in a said power lever, and said drive system also comprises the return system.
Or; The number of said drive system is two, and the number of said power lever is two, and two said drive systems are arranged at the left side and the right side of said body support respectively; The drive system in left side is connected in a power lever, and the drive system on right side is connected in another power lever.
Wherein, said power lever is fixed with the chain gear piece, and said chain gear piece is provided with the gear piece chain, and said gear piece chain drive is connected in said eccentric wheel.
Preferably, said eccentric wheel is provided with chain and keeps away the position end.
Preferably, said eccentric wheel is provided with the eccentric wheel hook, and a terminal hook of said gear piece chain is located at said eccentric wheel hook, and said chain gear piece is provided with chain gear piece hook, and the terminal hook of another of said gear piece chain is located at said chain gear piece hook.
Wherein, Said gear train assembly comprises preceding power gear, unidirectional flywheel, back power gear and power chain; Power gear is arranged at unidirectional flywheel before said; Said unidirectional flywheel be arranged at said before power shaft, said back power gear is arranged at said back power shaft, said before power gear drive through said power chain and be connected in said back power gear.
Or; Said return system comprises return gear, return chain, return guide wheel and return fixed leg; Said return gear is arranged at said preceding power shaft; Said return fixed leg is arranged at said power lever, and said return gear is connected in said return fixed leg through the return chain, and said return guide wheel is fixed in said body support.
Said return system comprises return gear and pull back spring, said return gear be arranged at said before power shaft, an end of said pull back spring is fixed in said body support, the other end of said pull back spring is connected in said return gear through the return chain.
Beneficial effect of the present invention is: this kind variable speed scooter, comprise vehicle body, front-wheel, trailing wheel and drive system, and said vehicle body comprises power lever and body support; Body support is provided with power shaft, preceding power shaft and back power shaft; Said power lever is arranged at power shaft, and said drive system comprises power system and return system, and said power system comprises eccentric wheel and gear train assembly; Said eccentric wheel is arranged at said preceding power shaft; Power shaft drives through said gear train assembly and is connected in said back power shaft before said, and said power lever drives and is connected in said eccentric wheel, and said trailing wheel is arranged at said back power shaft.During takeoff output; Power lever drives eccentric wheel and rotates counterclockwise, and power shaft rotated counterclockwise before eccentric wheel drove, and preceding power shaft drives the back power shaft through gear train assembly and rotates counterclockwise; Back power shaft drives trailing wheel and rotates counterclockwise, and reaches the purpose of takeoff output.Through eccentric use, make that variable speed scooter is laborsaving, speed-change process is simple and easy, change trample stroke angles realize different speed, it is big to satisfy upward slope power, the fireballing demand in level land.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention 1.
Fig. 2 is the structural representation that amplify the part of the embodiment of the invention 1.
Fig. 3 is the embodiment of the invention 1 eccentric first structural representation.
Fig. 4 is the embodiment of the invention 1 eccentric second structural representation.
Fig. 5 is the embodiment of the invention 1 eccentric the 3rd structural representation.
Fig. 6 is the embodiment of the invention 1 eccentric the 4th structural representation.
Fig. 7 is the embodiment of the invention 1 eccentric the 5th structural representation.
Eccentric first reference state figure when Fig. 8 tramples for the embodiment of the invention 1.
Eccentric second reference state figure when Fig. 9 tramples for the embodiment of the invention 1.
Eccentric the 3rd reference state figure when Figure 10 tramples for the embodiment of the invention 1.
The structural representation of power lever when Figure 11 steps on method for the embodiment of the invention 1 low speed.
Eccentric structural representation when Figure 12 steps on method for the embodiment of the invention 1 low speed.
The structural representation of power lever when Figure 13 steps on method for the embodiment of the invention 1 middling speed.
Eccentric structural representation when Figure 14 steps on method for the embodiment of the invention 1 middling speed.
The structural representation of power lever when Figure 15 steps on method at a high speed for the embodiment of the invention 1.
Eccentric structural representation when Figure 16 steps on method at a high speed for the embodiment of the invention 1.
Figure 17 has the local structure for amplifying scheme drawing of power guide wheel for the embodiment of the invention 1.
Figure 18 is the local structure scheme drawing of the embodiment of the invention 2.
Figure 19 is the right side local structure scheme drawing of the embodiment of the invention 3.
Figure 20 is the left side local structure scheme drawing of the embodiment of the invention 3.
Figure 21 is the right side local structure scheme drawing of the embodiment of the invention 4.
Figure 22 is the left side local structure scheme drawing of the embodiment of the invention 4.
Wherein, comprise among Fig. 1 to Figure 22:
1---front-wheel
2---trailing wheel
3---power lever
4---main support
5---the dynamic fixation sheet
6---the chain gear piece
7---eccentric wheel
8---unidirectional flywheel
9---preceding power gear
10---the back power gear
11---the gear piece chain
12---power chain
13---go up power shaft
14---preceding power shaft
15---the back power shaft
16---chain is kept away the position end
17---front end is trampled a little
18---trample some the rear end
19---the A point
20---the B point
21---the C point
22---smooth roller
23---the power guide wheel
24---the return gear
25---the return fixed leg
26---the return chain
27---the return guide wheel
28---pull back spring
29---the back guide wheel
30---the eccentric wheel hook
31---chain gear piece hook.
The specific embodiment
For the ease of those skilled in the art's understanding, below in conjunction with embodiment and accompanying drawing the present invention is further described, the content that embodiment is mentioned not is to qualification of the present invention.
See Fig. 1 and Fig. 2; A kind of variable speed scooter; Comprise vehicle body, front-wheel 1, trailing wheel 2 and drive system, vehicle body comprises power lever 3 and body support, and body support comprises main support 4 and dynamic fixation sheet 5; Dynamic fixation sheet 5 is provided with power shaft 13, preceding power shaft 14 and back power shaft 15, and power lever 3 is arranged at power shaft 13.Present embodiment is a single action power export structure, and the number of drive system is one, and the number of power lever 3 is one, and drive system is arranged at the right side of body support, and drive system is connected in power lever 3, and power lever 3 is from opening up into closure, dynamic output; Power lever 3 is return, no power takeoff from being closed into to open.
Drive system comprises power system and return system; Power system comprises eccentric wheel 7 and gear train assembly; Eccentric wheel 7 is arranged at preceding power shaft 14; Preceding power shaft 14 drives through gear train assembly and is connected in back power shaft 15, and power lever 3 drives and is connected in eccentric wheel 7, and trailing wheel 2 is arranged at back power shaft 15.During takeoff output; Power lever 3 drives eccentric wheel 7 and rotates counterclockwise; Power shaft 14 rotated counterclockwise before eccentric wheel 7 drove; Preceding power shaft 14 drives back power shaft 15 through gear train assembly and rotates counterclockwise, and back power shaft 15 drives trailing wheels 2 and rotates counterclockwise, and reaches the purpose of takeoff output.
Like Fig. 2, power lever 3 is fixed with chain gear piece 6, and chain gear piece 6 is provided with gear piece chain 11, and gear piece chain 11 drives and is connected in eccentric wheel 7, and power lever 3 also can drive eccentric wheel 7 through alternate manner certainly.
The main effect of eccentric wheel 7 is to apply torsion to preceding power shaft 14, is the middle twisted strip of takeoff output, also is to make the present invention can arrive the core technology of any speed change such as basic, normal, high grade.Eccentric wheel 7 is designed to the eccentric gear that chain is kept away position end 16 that is provided with as shown in Figure 3; Can make the transmission stroke of eccentric wheel 7 surpass 360 degree like this; And do not make chain overlapping, and then power shaft 14 can rotate more stroke angles before guaranteeing in the single transmission process, and have bigger speed change.Certainly, eccentric wheel 7 can be designed to eccentric elliptic gear as shown in Figure 4.Eccentric wheel 7 equally also can not have tooth, keeps away the eccentric wheel 7 of position end 16 or eccentric elliptic wheel as shown in Figure 6 and directly be designed to the chain that is provided with as shown in Figure 5, through being used with the such driving medium of steel bar, can reach same effect.
As shown in Figure 7; Eccentric wheel 7 also can further be provided with eccentric wheel hook 30, and the terminal hook of gear piece chain 11 is located at eccentric wheel hook 30, and chain gear piece 6 is provided with chain gear piece hook 31; As shown in Figure 2; The terminal hook of another of gear piece chain 11 is located at chain gear piece hook 31, and the peg type that the mode of hook is more traditional is convenient, and is firm.
Like Fig. 2; Gear train assembly comprises preceding power gear 9, unidirectional flywheel 8, back power gear 10 and power chain 12, and to locking in unidirectional flywheel 8, the unidirectional flywheel 8 of present embodiment is arranged at preceding power shaft 14 to preceding power gear 9 through screw; Certainly the unidirectional flywheel 8 of present embodiment also can be arranged at back power shaft 15; Do not influence effect of the present invention, back power gear 10 is arranged at back power shaft 15, and preceding power gear 9 drives through power chain 12 and is connected in back power gear 10.The structure of unidirectional flywheel 8 adopts prior art, and power shaft 14 rotated before unidirectional flywheel 8 can not drive when clockwise rotating, and power shaft 14 rotated dynamic output before no power takeoff, unidirectional flywheel 8 can drive when rotating counterclockwise.
Consider the comfort conditions of people when trampling; According to pin drop height before and after the people is in natural stair climbing about 160mm; Usually can the rotational angle of power lever 3 be fixed; Making power lever 3 front ends trample a little 17 travel range is about 160mm at the drop with pin before and after the rear end is trampled under the prerequisite of 18 one-tenth levels a little, so just can make the people when trampling more nature step on for a long time to go and be not easy to make pin sour with comfortable.But such design will make the stroke of power lever 3 reduce, and makes takeoff output reduce, and is constant for making takeoff output; Design the external diameter of eccentric wheel 7 and back power gear 10 littler than the external diameter of preceding power gear 9; As shown in Figure 2, eccentric wheel 7 rotates the required chain stroke of a circle and also can reduce like this, and the design that the chain of adding eccentric wheel 7 is kept away bit architecture makes eccentric wheel 7 to drive in power lever 3 less rotational travel and rotates all even bigger angle down; And can not make gear piece chain 11 overlapping; Power gear 9 also can be rotated the stroke angles same with eccentric wheel 7 before so just making, and the external diameter of preceding power gear 9 is big, and rotational angle is big; Make that power chain 12 strokes that connect between preceding power gear 9 and the back power gear 10 are also big; The stroke of power chain 12 is also just big more on back power gear 10 external diameters, increases and make trailing wheel 2 rotate the number of turns, so just makes under the little stroke of power lever 3, also can export bigger power.
When scooter power lever 3 is in like figure
2During shown open configuration, people preceding ridden in front end and trampled a little 17, and forward foot in a step this moment is higher than the rear foot and becomes certain height, and at this moment center of gravity is on the rear foot, and stampede power mainly leans on people self to exert all one's strength and steps on, and the compelling force that this moment, the people gave requires maximum.Can find out from Fig. 8; Because accentric effect; The axle center that the A point 19 that eccentric wheel 7 applies pulling force for gear piece chain 11 under this state leaves preceding power shaft 14 farthest; The torque that the pulling force of applying for eccentric wheel 7 by gear piece chain under the same power 11 like this is converted into axle will become big more, thus greatly reduce when single steps people the maximum, force that will give, and reach the labour-saving purpose.Along with the down motion of power lever 3, the rear foot is slowly raised, and center of gravity moves to the forward foot in a step, at this moment; People self the power that will give more and more littler, to a certain degree pressing down by center of gravity fully, in this change procedure, the external diameter of eccentric wheel 7 is also reducing; Be reduced to the B point 20 of Fig. 9 by the A point 19 of Fig. 8, finally be reduced to the C point 21 of Figure 10 again by the B point 20 of Fig. 9, because the reducing of external diameter; Under the same stroke of chain gear piece 6, the angle that eccentric wheel 7 rotates is also big more, and such stroke angles passes to unidirectional flywheel 8 through preceding power shaft 14; Make its angular turn when single stroke more, the stroke of takeoff output is also just many more, thereby reaches several times speed changing effect.
Though at power lever 3 by opening up in closed this process; Because eccentric wheel 7 external diameters reduce, the speed power that accelerates strengthens, but because the whole mode of trampling can be through the differing heights of pin before and after regulating; Move before and after making center of gravity; Make when the back power strengthens, can rely on the gravitional force of self to provide fully, can form basic, normal, high three-step gear shift.
Like Figure 11, Figure 13, Figure 15, can see the travel position that power lever 3 is stepped on eccentric wheel 7 in the method in low speed, middling speed, high speed respectively; Like Figure 12, Figure 14 and shown in Figure 16, can see the travel position that eccentric wheel 7 is stepped on eccentric wheel 7 in the method in low speed, middling speed, high speed respectively.
Low speed is stepped in the method; Chain gear piece 6 drives eccentric wheel 7 through gear piece chain 11 and in like the stroke among Figure 12, comes back rotation, tramples through fast speed, and the stress point of gear piece chain 11 and eccentric wheel 7 back and forth arrives between the B point 20 at the A of eccentric wheel 7 external diameters point 19 and moves; And the stress point before the A point 19, B point 20 all before commentaries on classics power shaft 14 far away; According to mechanics principle, receive under the same advance resistance at trailing wheel 2 like this, power shaft 14 needed torsion also will be more little before gear piece chain 11 rotated through eccentric wheel 7; Thereby reduce the required power that provides of people self greatly, and reach laborsaving.But because in this process, eccentric wheel 7 point of actions are on the bigger external diameter, can make the speed of output to lack like this, so low speed steps on method under equal power, can make car, be fit to climbing and use at the bigger power of output down at a slow speed.
Middling speed is stepped in the method, and eccentric wheel 7 stress points promptly arrive between the C point 21 at A point 19 in the periphery of whole tooth and move, and see Figure 14, and when single was trampled, the starting power was light, and speed is slow, and face velocity can be accelerated to the back more.In whole process, the people can clearly feel the variation of strength and speed, and velocity variations is steady, and speed is in moderate state.
Step in the method at a high speed; See Figure 16, the stress point of eccentric wheel 7 back and forth moves at B point 20 and C point 21 before, and stress point is near from the axle center of preceding power shaft 14; The external diameter that eccentric wheel 7 point of actions are in is little; The speed of output can obviously increase, though trailing wheel 2 receives under the same advance resistance, power shaft 14 needed torsion also will be big before gear piece chain 11 rotated through eccentric wheel 7; But we can add such power pedal force by self gravitation and provide, so can make car reach best speed in this course.
The dynamic fixation sheet 5 of body support is provided with smooth roller 22, smooth roller 22 contiguous back power gear 10.As shown in Figure 2, smooth roller 22 can not produce power chain 12 and jump the chain phenomenon near the power chain 12 that is arranged at power gear 10 places, back in transmission.
The dynamic fixation sheet 5 of body support is provided with power guide wheel 23; Power guide wheel 23 between chain gear piece 6 and the eccentric wheel 7 and and chain gear piece 6 and eccentric wheel 7 between angled; Shown in figure 17; Through increase power guide wheel 23 between chain gear piece 6 and eccentric wheel 7, thus the stroke of increase gear piece chain 11.
The return system of the multiple structure of available technology adopting; Present embodiment has adopted like Fig. 2 and return system shown in Figure 17; The return system comprises return gear 24, return chain 26, return guide wheel 27 and return fixed leg 25; Return gear 24 is sheathed on preceding power shaft 14, and return fixed leg 25 is arranged at power lever 3, and return fixed leg 25 is connected in return gear 24 through return chain 26; Return guide wheel 27 is fixed in dynamic fixation sheet 5 and angled with return fixed leg 25 and return gear 24, thereby increases the stroke of return chain 26.Trample the rear end of power lever 3 trampled a little 18 o'clock downwards; Return fixed leg 25 on the power lever 3 can be taken back a gear 24 through return chain 26 and clockwise rotate, and preceding power shaft 14 clockwise rotates, because eccentric wheel 7 also is fixed on preceding power shaft 14 with preceding power gear 9; So eccentric wheel 7, unidirectional flywheel 8 and preceding power gear 9 also clockwise rotate with it; The power system return, unidirectional flywheel 8 clockwise rotates no power takeoff.
Takeoff output of the present invention makes full use of lever principle, the mode of trampling copy the people when walking center of gravity and front and back pin in line custom and design, make when trampling sensation more near the people when the walking easily and freely.As shown in Figure 2; The people when trampling before and after pin be put in respectively that front end tramples a little 17, the rear end tramples a little 18; Power lever 3 around last power shaft 13 along with people's center of gravity transfers back rotation alternately shifting down of front and back pin, thereby make the chain gear piece 6 that is fixed on the power lever 3 also become fixed angle to come back rotation with return fixed leg 25 thereupon, specific as follows: chain gear piece 6 passes through gear piece chain 11 drive eccentric wheel 7; Return fixed leg 25 drives return gear 24 through return chain 26 through return guide wheel 27; And power shaft 14 before eccentric wheel 7 is fixed on return gear 24 simultaneously, thereby under the rotation of power lever 3, drive chain gear piece 6-eccentric wheel 7; Return fixed leg 25-return gear 24 these two systems alternately back and forth; Power shaft 14 also becomes fixed angle to come back rotation before making, and the preceding power gear 9 of power shaft 14 was passed to the back power gear with power through power chain 12 before this just made and is arranged at, thereby drives trailing wheel 2 motions.
The difference of present embodiment and embodiment 1 only is: present embodiment has adopted the return system of another kind of structure; The return system comprises return gear 24 and pull back spring 28; Return gear 24 is sheathed on preceding power shaft 14; One end of pull back spring 28 is fixed in main support 4, and the other end of pull back spring 28 is connected in return gear 24 through return chain 26.Shown in figure 18, when power lever 3 was in open configuration, pull back spring 28 was in the prestretching state; Trample the front end of power lever 3 downwards and trampled a little 17 o'clock, chain gear piece 6 upward movements rotate counterclockwise for 7 one-tenth through gear piece chain 11 pulling eccentric wheel; Because power shaft 14 before eccentric wheel 7 all fix with return gear 24, thus return gear 24 also rotate counterclockwise with it, thereby spur return chain 26; Make pull back spring 28 draw back the state of straining at that is in, trample the rear end of power lever 3 like this downwards and trampled a little 18 o'clock, because the reset response of pull back spring 28; Return chain 26 pulling return gears 24 clockwise rotate, and preceding power shaft 14 clockwise rotates, because eccentric wheel 7 is fixed on preceding power shaft 14 with preceding power gear 9; So eccentric wheel 7, unidirectional flywheel 8 and preceding power gear 9 also clockwise rotate with it; Just make whole power system return, unidirectional flywheel 8 clockwise rotates no power takeoff.
Like Figure 19 and Figure 20; This structure is wherein a kind of structure of double dynamical output; The number of present embodiment drive system is two, and the number of power lever 3 is two, and two drive systems are arranged at the left side and the right side of body support respectively; The drive system in left side is connected in the power lever 3 in left side, and the drive system on right side is connected in the power lever 3 on right side.The power lever 3 in present embodiment left side and the power lever 3 on right side are simultaneously around last power shaft 13 alternate rotation; Only need with two pin be positioned over respectively the left side the front end of power lever 3 trample a little on 17 and the front end of the power lever 3 on right side is trampled a little to trample on 17 and got final product; Through the power lever 3 in left side and power lever 3 cross motion one on the other on right side, two power systems hocket under return and two states of takeoff output respectively about making.
Present embodiment is not provided with the return system, and the power system on present embodiment right side is identical, shown in figure 19 with embodiment's 1.The power system in left side is shown in figure 20; The eccentric wheel 7 in left side is fixed on the preceding power shaft 14 with the eccentric wheel 7 on right side simultaneously; And the chain that makes the left side chain of keeping away position end 16 and the right side opening of keeping away position end 16 is towards on the contrary; Power shaft 14 before the unidirectional flywheel 8 of the power system in left side is fixed in the unidirectional flywheel 8 of power system on right side simultaneously is idle running when still unidirectional flywheel 8 conter clockwises in left side change, be takeoff output during the cw commentaries on classics.The power system in left side has additional back guide wheel 29; The preceding power gear 9 in left side drives the back guide wheel 29 that is connected in the left side through the power chain 12 in left side; Also be close to the power chain 12 in left side outside the formed loop of the power chain 12 on the left of the back power gear 10 in left side is positioned at; The motion of the power chain 12 through the left side drives the back power gear 10 in left side and rotates; The back guide wheel 29 in left side plays the effect of break-in wheel, makes the back power gear 10 in left side and preceding power gear 9 direction of rotation in left side.
Trample the front end of the power lever 3 on right side trampled a little 17 o'clock downwards; The eccentric wheel 7 on the gear piece chain 11 drive right sides on right side rotates counterclockwise; Power shaft 14 rotated counterclockwise before the eccentric wheel 7 on right side drove, and when preceding power shaft 14 rotated counterclockwise, the unidirectional flywheel 8 in left side rotated counterclockwise and is idle running; No power takeoff; The eccentric wheel 7 in left side also can rotate counterclockwise with preceding power shaft 14, and the eccentric wheel 7 in left side makes the gear piece chain 11 in left side roll when rotating counterclockwise, so that the power lever 3 rising returns in pulling left side.The unidirectional flywheel 8 on right side rotates counterclockwise and is takeoff output; The preceding power gear 9 on the unidirectional flywheel 8 drive right sides on right side rotates counterclockwise; The preceding power gear 9 on right side rotates counterclockwise through the back power gear 10 on the power chain 12 drive right sides on right side; And then back power shaft 15 is also rotated counterclockwise, trailing wheel 2 rotates counterclockwise, and constitutes the takeoff output of the power system on right side.
Similar principle, when the front end of the power lever 3 of trampling the left side downwards tramples a little 17, the power system outputting power in left side, the power system on right side is carried out return.
Certainly, the left side of present embodiment and right side also can be adopted independently return system respectively, promptly like the return system of embodiment 2, adopt pull back spring 28 to carry out return.
Like Figure 21 and Figure 22, this structure is the another kind of structure of double dynamical output, and the number of drive system is two; The number of power lever 3 is one; Two drive systems are arranged at the left side and the right side of body support respectively, and two drive systems are connected in a power lever 3, no matter promptly unique power lever 3 is to open from being closed into; Still from opening up into closure, all dynamic output of these two motion processes.
The return system with embodiment 1 is identical respectively for the return system in present embodiment left side and the return system on right side.The power system on present embodiment right side is identical, shown in figure 21 with embodiment's 1.Shown in figure 22 is the power system in left side, and power shaft 14 before the unidirectional flywheel 8 of the power system in left side is fixed in the unidirectional flywheel 8 of power system on right side simultaneously is idle running when still unidirectional flywheel 8 conter clockwises in left side change, be takeoff output during the cw commentaries on classics.The power system in left side has additional back guide wheel 29; The preceding power gear 9 in left side drives the back guide wheel 29 that is connected in the left side through the power chain 12 in left side; Also be close to the power chain 12 in left side outside the formed loop of the power chain 12 on the left of the back power gear 10 in left side is positioned at; The motion of the power chain 12 through the left side drives the back power gear 10 in left side and rotates; The back guide wheel 29 in left side plays the effect of break-in wheel, makes the back power gear 10 in left side and preceding power gear 9 direction of rotation in left side.
Trample the rear end of power lever 3 trampled a little 18 o'clock downwards; Power shaft 14 clockwise rotated before the return chain 26 of the return fixed leg 25 in left side through the left side drove, and power shaft 14 clockwise rotated before the return chain 26 of the return fixed leg 25 on right side through the right side drove simultaneously, when preceding power shaft 14 clockwise rotates; The unidirectional flywheel 8 on right side clockwise rotates and is idle running; And then make the power system no power takeoff on right side, and the unidirectional flywheel 8 in left side clockwise rotates and is takeoff output, power gear 9 was rotated before the unidirectional flywheel 8 in left side drove; Thereby power is delivered to the back guide wheel 29 in left side through the power chain 12 in left side; Because the back guide wheel 29 in preceding power gear in left side 9 and left side is in the inboard of the power chain 12 in left side, is equidirectional clockwise rotating during rotation, then the back power gear 10 in the left side on the power shaft 15 is in the outside of the power chain 12 in left side; During rotation for the rotating counterclockwise of back guide wheel 29 direction of rotation in the preceding power gear in left side 9 and left side; Drive trailing wheel 2 and rotate counterclockwise, thus the dynamic output of power system on the left of making, and this structure also can have positive power output when return thus.
Trample the front end of power lever 3 trampled a little 17 o'clock downwards; The chain gear piece 6 on right side rotates counterclockwise with preceding power shaft 14 through the eccentric wheel 7 on the gear piece chain 11 drive right sides on right side; The chain gear piece 6 in left side rotates counterclockwise with preceding power shaft 14 through the eccentric wheel 7 in the gear piece chain 11 drive left sides in left side simultaneously; When preceding power shaft 14 rotated counterclockwise, it was idle running that the unidirectional flywheel 8 in left side rotates counterclockwise, and then made the power system no power takeoff in left side; And the unidirectional flywheel 8 on right side rotates counterclockwise and is takeoff output, thereby makes the dynamic output of power system on right side.
Above content is merely preferred embodiment of the present invention, and for those of ordinary skill in the art, according to thought of the present invention, the part that on the specific embodiment and field of application, all can change, this description should not be construed as limitation of the present invention.
Claims (10)
1. a variable speed scooter comprises vehicle body, front-wheel, trailing wheel and drive system, and said vehicle body comprises power lever and body support; Body support is provided with power shaft, preceding power shaft and back power shaft; Said power lever is arranged at power shaft, and said drive system comprises power system, it is characterized in that: said power system comprises eccentric wheel and gear train assembly; Said eccentric wheel is arranged at said preceding power shaft; Power shaft drives through said gear train assembly and is connected in said back power shaft before said, and said power lever drives and is connected in said eccentric wheel, and said trailing wheel is arranged at said back power shaft.
2. a kind of variable speed scooter according to claim 1; It is characterized in that: the number of said drive system is one; The number of said power lever is one; Said drive system is arranged at the left side or the right side of said body support, and a said drive system is connected in a said power lever, and said drive system also comprises the return system.
3. a kind of variable speed scooter according to claim 1; It is characterized in that: the number of said drive system is two; The number of said power lever is one; Two said drive systems are arranged at the left side and the right side of said body support respectively, and two said drive systems are connected in a said power lever, and said drive system also comprises the return system.
4. a kind of variable speed scooter according to claim 1; It is characterized in that: the number of said drive system is two; The number of said power lever is two; Two said drive systems are arranged at the left side and the right side of said body support respectively, and the drive system in left side is connected in a power lever, and the drive system on right side is connected in another power lever.
5. according to each described a kind of variable speed scooter of claim 1-4, it is characterized in that: said power lever is fixed with the chain gear piece, and said chain gear piece is provided with the gear piece chain, and said gear piece chain drive is connected in said eccentric wheel.
6. a kind of variable speed scooter according to claim 5 is characterized in that: said eccentric wheel is provided with chain and keeps away the position end.
7. a kind of variable speed scooter according to claim 6; It is characterized in that: said eccentric wheel is provided with the eccentric wheel hook; One terminal hook of said gear piece chain is located at said eccentric wheel hook; Said chain gear piece is provided with chain gear piece hook, and the terminal hook of another of said gear piece chain is located at said chain gear piece hook.
8. according to each described a kind of variable speed scooter of claim 1-4; It is characterized in that: said gear train assembly comprises preceding power gear, unidirectional flywheel, back power gear and power chain; Power gear is arranged at unidirectional flywheel before said; Said unidirectional flywheel be arranged at said before power shaft, said back power gear is arranged at said back power shaft, said before power gear drive through said power chain and be connected in said back power gear.
9. according to claim 2 or 3 described a kind of variable speed scooters; It is characterized in that: said return system comprises return gear, return chain, return guide wheel and return fixed leg; Said return gear is arranged at said preceding power shaft; Said return fixed leg is arranged at said power lever, and said return gear is connected in said return fixed leg through the return chain, and said return guide wheel is fixed in said body support.
10. a kind of variable speed scooter according to claim 2; It is characterized in that: said return system comprises return gear and pull back spring; Said return gear is arranged at said preceding power shaft; One end of said pull back spring is fixed in said body support, and the other end of said pull back spring is connected in said return gear through the return chain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101088054A CN102180221B (en) | 2011-04-28 | 2011-04-28 | Variable speed scooter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101088054A CN102180221B (en) | 2011-04-28 | 2011-04-28 | Variable speed scooter |
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| Publication Number | Publication Date |
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| CN102180221A CN102180221A (en) | 2011-09-14 |
| CN102180221B true CN102180221B (en) | 2012-11-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011101088054A Expired - Fee Related CN102180221B (en) | 2011-04-28 | 2011-04-28 | Variable speed scooter |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202011460U (en) * | 2011-04-28 | 2011-10-19 | 李建和 | Variable speed scooter |
| CN102358386A (en) * | 2011-08-22 | 2012-02-22 | 李建和 | Labor-saving scooter |
| CN104490534B (en) * | 2015-01-05 | 2016-08-24 | 山东科技大学 | A kind of lever interval exchanges gear change wheelchair and method of work thereof with Non-intermittent |
| CN104490533B (en) * | 2015-01-05 | 2016-08-24 | 山东科技大学 | A kind of lever actuated gear change wheelchair and method of work thereof |
| CN109732556B (en) * | 2019-02-14 | 2024-05-24 | 北京云迹科技股份有限公司 | Rolling wheel, mobile chassis and robot |
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| CN202011460U (en) * | 2011-04-28 | 2011-10-19 | 李建和 | Variable speed scooter |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040227317A1 (en) * | 2003-05-14 | 2004-11-18 | Cheng Kao Tsun | Eccentric scooter having cushioning device |
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| US3831977A (en) * | 1972-06-14 | 1974-08-27 | D Osborne | Self-propelling vehicle |
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| CN202011460U (en) * | 2011-04-28 | 2011-10-19 | 李建和 | Variable speed scooter |
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| CN102180221A (en) | 2011-09-14 |
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Effective date of registration: 20230417 Address after: 528300 No.1, No. 7-8, North Guangming Road, Jiangyi Village, Leliu Street, Shunde District, Foshan City, Guangdong Province Patentee after: Foshan Super Electrical Appliance Co.,Ltd. Address before: Room 201, No. 6, Liuxiang, Shanmei Xinzhuang New Area, Houjie Town, Dongguan City, Guangdong Province, 523000 Patentee before: Li Jianhe |
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