CN111361683A - High-speed labor-saving bicycle - Google Patents
High-speed labor-saving bicycle Download PDFInfo
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- CN111361683A CN111361683A CN202010347784.0A CN202010347784A CN111361683A CN 111361683 A CN111361683 A CN 111361683A CN 202010347784 A CN202010347784 A CN 202010347784A CN 111361683 A CN111361683 A CN 111361683A
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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
- B62M9/00—Transmissions characterised by use of an endless chain, belt, or the like
- B62M9/04—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio
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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
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Abstract
The invention discloses a high-speed labor-saving bicycle, which comprises a guide handlebar, a frame main body, a driving wheel, a direction wheel and a driving device, wherein the driving device consists of a pedal, a pulley driving system, a switching locking system and a transmission ratio amplifying mechanism; the right pulley driving system and the left pulley driving system are in transmission connection with the transmission ratio amplifying mechanism through respective internal pulley blocks, a switching locking system is arranged in the pulley driving system and is respectively connected with the pulley block in the right pulley driving system and the pulley block in the left pulley driving system, and the switching locking system realizes alternate operation of the right pulley driving system and the left pulley driving system through switching locking. The invention meets the power requirement of the bicycle by two sets of pulley driving systems and the automatic switching locking system, so that the bicycle is more labor-saving and faster in riding.
Description
Technical Field
The invention relates to the technical field of bicycles, in particular to a high-speed labor-saving bicycle.
Background
Bicycles, also known as bicycles or bicycles, are usually two-wheeled small land vehicles, which are environment-friendly vehicles powered by pedaling after people ride on the bicycle. In addition, the bicycle can be used as an environment-friendly vehicle for riding instead of walking and going out; more and more people use bicycles as fitness equipment for riding exercise and bicycle travel; the bicycle itself is also a sport event, including road bike racing, mountain bike racing, field bike racing, stunt bike racing, and the like. When the bicycle is used, different road conditions are applied, and the force application conditions of users are different. For example, when climbing an uphill or accelerating, a user needs to pedal the bicycle with great effort; under the condition of downhill or the road condition needing to be decelerated, a braking device is needed to be used for braking. Therefore, what is needed is a system for providing sufficient power to a bicycle to make the bicycle more labor-saving.
The application number is CN 109733516A's a bicycle, is connected including preceding frame, the anterior relative rotation ground that the bottom is equipped with the front wheel main frame on the preceding frame, set up and be in seat on the main frame to and locate rotatoryly around the rear wheel axle the rear wheel at main frame rear portion, the bicycle still includes detachably installs transmission on the main frame, transmission includes pedal, and passes through, pedal can order about rear wheel pivoted drive assembly, transmission respectively with the main frame detachably connect between the rear wheel axle, wherein, transmission with between the main frame, transmission with at least one department in between the rear wheel axle is connected through the detachable connection that transmission self's locking device realized. The whole disassembly or assembly process of the transmission device is very simple and convenient, so that the bicycle can be conveniently switched between a bicycle state and a assisted vehicle state.
The invention is different from the invention, adopts the alternative rotation of the movable pulley and the fixed pulley to drive the front wheel and the rear wheel to rotate; in addition, the switching and locking system of the invention is also different from the invention, and the power switching and locking of the bicycle are completed by the gap slide block, the assembling sleeve shaft and the pin winding driving wheel.
Disclosure of Invention
The invention aims to provide a high-speed labor-saving bicycle, which is convenient to travel more conveniently and has higher traveling speed.
The invention relates to a high-speed labor-saving bicycle which comprises a guide handlebar, a frame main body, a driving wheel, a direction wheel and a driving device, wherein the driving device consists of a pedal, a pulley driving system, a switching locking system and a transmission ratio amplifying mechanism, the pedal is connected with the pulley driving system and drives the pulley driving system, and the pulley driving system comprises a right pulley driving system and a left pulley driving system; the pulley block is arranged in each of the right pulley driving system and the left pulley driving system, the right pulley driving system and the left pulley driving system are in transmission connection with the transmission ratio amplifying mechanism through the respective inner pulley block, the switching locking system is arranged in each of the pulley driving systems and is respectively connected with the pulley block in each of the right pulley driving system and the left pulley driving system, and the switching locking system realizes alternate operation of the right pulley driving system and the left pulley driving system through switching locking.
Furthermore, the automatic switching locking system is arranged in the pulley assembly frame, and power switching and locking of the bicycle during running are realized through the automatic switching locking system; when the pulley driving system drives, the pedals are fixedly connected with the assembly sleeve shaft and drive the assembly sleeve shaft to rotate, the assembly sleeve shaft is connected with the right winding driving wheel and the left winding driving wheel and respectively drives the right winding driving wheel and the left winding driving wheel to rotate alternately, then the corresponding movable pulley rope is drawn to perform winding motion, under the drawing of the pulley rope, the movable pulley performs horizontal linear motion along the pulley groove, the right movable pulley chain and the left movable pulley chain perform motion under the drawing of the corresponding pulley blocks, and the right movable pulley chain and the left movable pulley chain respectively drive the right pulley block flywheel and the left pulley block flywheel to rotate alternately.
Further, the right pulley driving system comprises a movable pulley, a fixed pulley and a right pulley assembly frame; the left pulley driving system comprises a movable pulley, a fixed pulley and a left pulley assembly frame; when the pulley driving system is assembled, the movable pulleys are sequentially assembled in the cavities of the right pulley assembly frame and the left pulley assembly frame and do reciprocating linear motion along the cavities; the pulley driving system is internally connected by a pulley block, when the pulley block is connected, one end of the pulley and one end of the movable pulley are fixed on the inner wall of the right pulley assembly frame, and the other end of the pulley and the other end of the movable pulley are the tail end of a pulley block rope; when the pulley driving system is in an external connection mode, the right pulley assembly frame and the left pulley assembly frame are fastened on the assembly platform, the fixed pulley pulls the direction of the rope, and the tail end of the pulley block rope is fastened on the right winding driving wheel and the left winding driving wheel.
Furthermore, the switching locking system comprises a gap sliding block, an assembling sleeve shaft, a right pin, a left pin, a right winding driving wheel and a left winding driving wheel; when the switching locking system works, firstly, the lower inner slide block is positioned at the tail end of the assembling key groove and is in contact with the telescopic pin of the left circular rudder, the left circular rudder is enabled to displace outwards, the metal cylinder on the left circular rudder contracts along the radial direction, and the left winding driving wheel is unlocked with the assembling sleeve shaft; at the moment, the outer sliding block slides under the traction of the soft rope and is separated from the contact with the right circular ring rudder, the right winding driving wheel is locked with the assembly sleeve shaft through the metal cylinder on the right circular ring rudder and rotates along with the assembly sleeve shaft, the right winding driving wheel winds and pulls the movable pulley rope to drive the pulley block to move, the pulley block moves and pulls the right movable pulley chain to move, the right pin on the right movable pulley chain can push the gap sliding block to move in the process of moving along with the chain, and the outer sliding block moves in the opposite direction due to the traction of the soft rope.
Furthermore, the gap sliding block consists of an outer sliding block and an inner sliding block, the soft rope penetrates through the round hole to connect the outer sliding block and the inner sliding block together, and cylindrical bulges are arranged at the back parts of the outer sliding block and the inner sliding block, can be respectively assembled on respective movable pulley assembling frames together with the key grooves, and can linearly slide along the key grooves; the gap sliding blocks are assembled on two right pulley assembling frames and a left pulley assembling frame which are symmetrically distributed; one ends of the right elastic component and the left elastic component are fastened on the assembly table, and the other ends of the right elastic component and the left elastic component are connected with the right movable pulley chain and the left movable pulley chain and can do telescopic motion under the traction of the right movable pulley chain and the left movable pulley chain; the right and left resilient members may also be completed by return springs or other rotating members.
Further, the four transmission ratio amplification mechanisms are divided into four stages, which are respectively: the right winding driving wheel and the left winding driving wheel, the right pulley block flywheel and the left pulley block flywheel form a first-stage transmission ratio amplifying mechanism; the right pulley block flywheel, the left pulley block flywheel and the pulley block chain wheel form a second-stage transmission ratio amplifying mechanism; the pulley block chain wheel and the flywheel form a third-stage transmission ratio amplifying mechanism; the chain wheel and the wheel flywheel form a fourth-stage transmission ratio amplifying mechanism.
Furthermore, cross-shaped key grooves are formed in the inner rings of the right winding driving wheel and the left winding driving wheel, the size of each key groove is matched with that of a metal cylinder on the assembly sleeve shaft, and the metal cylinders can move in the circular holes of the sleeve shaft in a telescopic mode; the assembly sleeve shaft is composed of a sleeve, a left ring rudder and a right ring rudder, the left ring rudder and the right ring rudder are assembled on the sleeve through key grooves, and the assembly sleeve shaft is connected with the key grooves of the right winding driving wheel and the left winding driving wheel through telescopic metal cylinders on the left ring rudder and the right ring rudder.
Furthermore, the right movable pulley chain and the left movable pulley chain are connected with the pulley block, the connecting end of the right elastic part and the connecting end of the left elastic part are fixed through a right pin and a left pin, and the right pin and the left pin move along with the right movable pulley chain and the left movable pulley chain and can push the outer sliding block and the inner sliding block to move forwards in the displacement direction.
Furthermore, the right movable pulley chain and the left movable pulley chain are connected with the pulley block, the connecting end of the right elastic part and the connecting end of the left elastic part are fixed through a right pin and a left pin, and the right pin and the left pin move along with the right movable pulley chain and the left movable pulley chain and can push the outer sliding block and the inner sliding block to move forwards in the displacement direction. Further, the chain wheel and the wheel flywheel are connected through a wheel chain for operation; the pulley block chain wheel and the flywheel are connected through a chain for operation; the upper end of the flywheel is provided with a bracket, and a seat is arranged on the bracket; one end of the right movable pulley chain and one end of the left movable pulley chain are respectively connected with the right elastic component and the left elastic component; the other ends of the right movable pulley chain and the left movable pulley chain are respectively connected with the right pulley assembly frame and the left pulley assembly frame through a right fixing buckle and a left fixing buckle; and the inner cavities of the right pulley assembly frame and the left pulley assembly frame are provided with fixed pulleys.
Further, the switching locking system is a mechanical switching locking system, an electronic switching locking system or other control mode switching locking systems.
The high-speed labor-saving bicycle provided by the invention has the advantages that: the invention adopts two sets of movable pulley systems to provide driving force alternately, on one hand, compared with the traditional bicycle, the invention can save 93.75 percent of force theoretically, under the condition of the same acting force, the speed can reach 16 times of the speed of the traditional bicycle, and the maximum speed per hour can reach 200 kilometers per hour theoretically; on the other hand, the invention adopts the switching locking system, which can play the roles of locking and unlocking the winding driving wheel, thereby facilitating the automatic speed regulation of the bicycle during running and ensuring the running safety.
Drawings
FIG. 1 is a schematic view of a high-speed labor-saving bicycle according to the present invention;
FIG. 2 is a schematic view of a pulley driving system of a high-speed labor-saving bicycle according to the present invention;
FIG. 3 is a schematic structural view of a switching locking system of a high-speed labor-saving bicycle according to the present invention;
FIG. 4 is a schematic view of a clearance slide block of a high-speed labor-saving bicycle according to the present invention;
FIG. 5 is a view of the construction of the high speed labor saving bicycle assembling bushing according to the present invention;
FIG. 6 is a key groove structure of a high-speed labor-saving bicycle according to the present invention;
FIG. 7 is a view of the structure state 1 of a transmission ratio enlarging mechanism of a high-speed labor-saving bicycle according to the present invention;
FIG. 8 is a structural view of a ratio enlarging mechanism of a high speed, power saving bicycle according to the present invention, shown in FIG. 2;
FIG. 9 is a general view of the movable pulley and pulley assembly frame structure of a high-speed labor-saving bicycle according to the present invention;
FIG. 10 is a structural view of a pulley mounting bracket for a high-speed labor-saving bicycle according to the present invention;
fig. 11 is a schematic view of a pulley block of a high-speed labor-saving bicycle according to the present invention.
Reference numerals: 1. a wheel chain; 2. a sprocket; 3. a seat; 4. a chain; 5. a right movable pulley chain; 6. a left movable pulley chain; 7. a right pulley assembly bracket; 8. a left pulley assembly frame; 9. a wheel flywheel; 10. a right pulley block flywheel; 11. a pulley block chain wheel; 12. an assembly table; 13. a left pulley block flywheel; 14. a flywheel; 15. a right fixing buckle; 16. a left fixing buckle; 17. fixing the pulley; 18. a fixed pulley; 19. a gap slider; 1901. an outer slide block; 1902. an inner slide block; 1903. a flexible cord; 20. a movable pulley; 21. a keyway; 22. a circular hole; 23. a right winding driving wheel; 24. assembling the shaft sleeve; 2401. a sleeve; 2402. a left circular rudder; 2403. a right circular rudder; 2404. a retractable pin; 25. a right pin; 26. a right elastic member; 27. a left elastic member; 28. a left pin; 29. a left winding driving wheel; 30. pedaling; 100. a pulley drive system; 101. a right pulley drive system; 102. a left pulley drive system; 103. a pulley block; 200. switching a locking system; 300. a transmission ratio amplifying mechanism.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments.
Referring to fig. 1, 2 and 3, the high-speed labor-saving bicycle provided by the invention comprises a guide handlebar, a frame body, a driving wheel, a direction wheel and a driving device, wherein the driving device consists of pedals, a pulley driving system 100, a switching locking system 200 and a transmission ratio amplifying mechanism 300, the pedals are connected with the pulley driving system 100 and drive the pulley driving system 100, and the pulley driving system 100 comprises a right pulley driving system 101 and a left pulley driving system 102; the pulley block 103 is arranged inside each of the right pulley driving system 101 and the left pulley driving system 102, the right pulley driving system 101 and the left pulley driving system 102 are in transmission connection with the transmission ratio amplifying mechanism 300 through the respective pulley block 103 inside, the switching locking system 200 is arranged inside the pulley driving system 100, the switching locking system 200 is respectively connected with the pulley block 103 inside the right pulley driving system 101 and the pulley block 103 inside the left pulley driving system 102, and the switching locking system 200 realizes alternate operation of the right pulley driving system 101 and the left pulley driving system 102 through switching locking.
The automatic switching locking system 200 is arranged in the pulley assembly frame, and the automatic switching locking system 200 is used for realizing the switching and locking of power when the bicycle runs; when the pulley driving system 100 is driven, the pedals 30 are fixedly connected with the assembly sleeve shaft 24 and drive the assembly sleeve shaft 24 to rotate, the assembly sleeve shaft 24 is connected with the right winding driving wheel 23 and the left winding driving wheel 29 and respectively drives the right winding driving wheel 23 and the left winding driving wheel 29 to rotate alternately, so as to draw the corresponding movable pulley rope to perform winding motion, under the traction of the pulley rope, the movable pulley 20 performs horizontal linear motion along the pulley groove, the right movable pulley chain 5 and the left movable pulley chain 6 perform motion under the traction of the corresponding pulley block 103, and the right movable pulley chain 5 and the left movable pulley chain 6 respectively drive the right pulley block flywheel 10 and the left pulley block flywheel 13 to rotate alternately.
The right pulley driving system 101 comprises a movable pulley 20, a fixed pulley 18 and a right pulley assembly frame 7; the left pulley driving system 102 comprises a movable pulley 20, a fixed pulley 18 and a left pulley assembly frame 8; when the pulley driving system 100 is assembled, the movable pulleys 20 are sequentially assembled in the cavities of the right pulley assembly frame 7 and the left pulley assembly frame 8 and do reciprocating linear motion along the cavities; the pulley driving system 100 is connected by a pulley block 103 in an internal connection mode, when the pulley block 103 is connected, one end of a pulley 18 and one end of a movable pulley 20 are fixed on the inner wall of the right pulley assembly frame 7, and the other end of the pulley 18 and the other end of the movable pulley 20 are the tail end of a rope of the pulley block 103; in the external connection mode of the pulley driving system 100, the right pulley assembly frame 7 and the left pulley assembly frame 8 are fastened on the assembly platform 12, the fixed pulley 18 pulls the rope to run, and the pulley block 103 is fastened at the tail end of the rope on the right winding driving wheel 23 and the left winding driving wheel 29.
The switching locking system 200 comprises a gap sliding block 19, an assembling sleeve shaft 24, a right pin 25, a left pin 28, a right winding driving wheel 23 and a left winding driving wheel 29; when the switching locking system 200 works, firstly, the lower inner slide block 1902 is located at the tail end of the assembly key slot 21 and is in contact with the telescopic pin 2404 of the left circular rudder 2402, the left circular rudder 2402 is enabled to displace outwards, the metal cylinder on the left circular rudder 2402 contracts along the radial direction, and the left winding driving wheel 29 is unlocked from the assembly sleeve shaft 24; at this time, the outer slider 1902 is pulled by the soft rope 1903 to be out of contact with the right circular rudder 2403, the right winding driving wheel 23 is locked with the assembling sleeve shaft 24 through the metal cylinder on the right circular rudder 2403 and rotates along with the assembling sleeve shaft 24, the right winding driving wheel 23 winds and pulls the movable pulley rope to drive the pulley block 103 to move, the pulley block 103 moves to pull the right movable pulley chain 5 to move, the right pin 25 on the right movable pulley chain 5 pushes the gap slider 19 to move in the process of moving along with the chain, and the outer slider 1902 moves in the opposite direction due to the pulling of the soft rope 1903.
The gap slider 19 consists of an outer slider 1901 and an inner slider 1902, a soft rope 1903 passes through a round hole 22 to connect the outer slider 1901 and the inner slider 1902 together, and cylindrical protrusions are arranged on the backs of the outer slider 1901 and the inner slider 1902, can be respectively assembled on respective movable pulley assembly brackets together with the key groove 21, and can linearly slide along the key groove 21; the gap sliding blocks 19 are assembled on the two right pulley assembling frames 7 and the left pulley assembling frame 8 which are symmetrically distributed; one ends of the right elastic component 26 and the left elastic component 27 are fastened on the assembling table 12, and the other ends of the right elastic component 26 and the left elastic component 27 are connected with the right movable pulley chain 5 and the left movable pulley chain 6 and can do telescopic motion under the traction of the right movable pulley chain 5 and the left movable pulley chain 6; the right 26 and left 27 elastic members may also be completed by other elastic members. The stretching movement is accomplished by the right elastic member 26 and the left elastic member 27, and in addition, the elastic members may be accomplished by a return spring or other rotating members, such as a return spring, a silicone rubber and a rubber having good stretchability.
The transmission ratio amplification mechanism 300 is divided into four stages: the right winding driving wheel 23 and the left winding driving wheel 29, the right pulley block flywheel 10 and the left pulley block flywheel 13 form a first-stage transmission ratio amplifying mechanism; the right pulley block flywheel 10, the left pulley block flywheel 13 and the pulley block chain wheel 11 form a second-stage transmission ratio amplifying mechanism; the pulley block chain wheel 11 and the flywheel 14 form a third-stage transmission ratio amplifying mechanism; the chain wheel 2 and the wheel flywheel 9 form a fourth-stage transmission ratio amplifying mechanism. Through the four transmission ratio amplification mechanisms, the bicycle can be ridden more quickly and more laborsavingly when running.
The right winding driving wheel 23 and the left winding driving wheel 29 are provided with crossed key grooves 21 on inner rings, the size of each key groove 21 is matched with that of a metal cylinder on the assembly sleeve shaft 24, and the metal cylinders can play a role in locking and unlocking the winding driving wheels through telescopic movement in round holes of the sleeve shaft 24. The left circular rudder 2402 and the right circular rudder 2403 are assembled on the sleeve 2401 through a key slot 21, and the assembling sleeve shaft 24 is connected with the key slots 231 of the right winding driving wheel 23 and the left winding driving wheel 29 through telescopic metal cylinders on the left circular rudder 2402 and the right circular rudder 2403.
The right movable pulley chain 5 and the left movable pulley chain 6 are connected with the pulley block 103, and are fixed at the connecting end of the right elastic component 26 and the left elastic component 27 through a right pin 25 and a left pin 28, and the right pin 25 and the left pin 28 move along with the right movable pulley chain 5 and the left movable pulley chain 6 and can push the outer slider 1901 and the inner slider 1902 to move forwards in the displacement direction.
The chain wheel 2 and the wheel flywheel 9 are connected through a wheel chain 1 for operation; the pulley block chain wheel 11 and the flywheel 14 are connected through a chain 4 for operation; the upper end of the flywheel 14 is provided with a bracket, and the seat 3 is arranged on the bracket; one end of the right movable pulley chain 5 and one end of the left movable pulley chain 6 are respectively connected with a right elastic part 26 and a left elastic part 27; the other ends of the right movable pulley chain 5 and the left movable pulley chain 6 are respectively connected with a right pulley assembly frame 7 and a left pulley assembly frame 8 through a right fixing buckle 15 and a left fixing buckle 16; and the inner cavities of the right pulley assembly frame 7 and the left pulley assembly frame 8 are provided with fixed pulleys 17.
The switching locking system 200 is a mechanical switching locking system, an electronic switching locking system or other control mode switching locking systems. The mechanical switching locking system realizes switching and locking functions through a mechanical transmission principle, and the electric control switching locking system realizes switching and locking through other modes such as electric power, intelligence and the like.
Each bicycle of the present invention comprises two sets of pulley drive systems 100, a switching locking system 200 and four gear ratio amplification mechanisms 300. In an embodiment of the present invention, referring to fig. 2, the right pulley driving system 101 includes four movable pulleys 20, a fixed pulley 18, and a right pulley mounting bracket 7; the left pulley drive system 102 includes four traveling pulleys 20, one fixed pulley 18, and a left pulley mounting bracket 8. The number of the movable pulleys 20 and the fixed pulleys 18 can be adjusted. In the operation of the invention, when the pulley driving system 100 is assembled, firstly, the four movable pulleys 20 are sequentially assembled in the cavities of the right pulley assembly frame 7 and the left pulley assembly frame 8; then the pulley block 103 is connected, when the pulley block 103 is connected, one end of one fixed pulley 18 and one end of four movable pulleys 20 are fixed on the inner wall of the right pulley assembly frame 7, and the other ends of the fixed pulley 18 and the four movable pulleys 20 are connected with the tail end of a rope of the pulley block 103; finally, the pulley driving system 100 is connected to the outside, a fixed pulley 18 pulls the rope to run by fastening the right pulley mounting bracket 7 and the left pulley mounting bracket 8 on the mounting platform 12, and the pulley block 103 is fastened at the rope end to the right winding driving wheel 23 and the left winding driving wheel 29. When the switching locking system 200 works, the inner slider 1902 is located at the tail end of the assembly key slot 21 in an initial state, and is in contact with the circular rudder of the left circular rudder 2402, so that the left circular rudder 2402 is displaced outwards, the metal cylinder on the left circular rudder 2402 contracts along the radial direction, and the left winding driving wheel 29 is unlocked from the assembly sleeve shaft 24; at this time, the outer slider 1902 is pulled by the soft rope 1903 to be out of contact with the right circular rudder 2403, the right winding driving wheel 23 is locked with the assembling sleeve shaft 24 through the metal cylinder on the right circular rudder 2403 and rotates along with the assembling sleeve shaft 24, the right winding driving wheel 23 winds and pulls the movable pulley rope to drive the pulley block 103 to move, the pulley block 103 moves to pull the right movable pulley chain 5 to move, the right pin 25 on the right movable pulley chain 5 pushes the gap slider 19 to move in the process of moving along with the chain, and the outer slider 1902 moves in the opposite direction due to the pulling of the soft rope 1903. Here, there is a state overlapping and switching link, during the process of the reverse movement of the outer slider 1902, the left circular rudder 2402 contracts inward under the action of the restoring force of the spring and drives the metal cylinder to continuously extend outward, so that the left winding driving wheel 29 and the assembly sleeve shaft 24 are locked, at this time, the right winding driving wheel 23 and the assembly sleeve shaft 24 are still not unlocked, the left winding driving wheel 29 and the right winding driving wheel 23 rotate simultaneously to draw the pulley rope, and as the inner slider 1901 continues to move forward, the right circular rudder 2403 is pushed by the inner slider 1901 to displace outward and draw the metal cylinder on the right circular rudder 2403 to contract inward and finally to unlock with the assembly sleeve shaft 24, the right movable pulley chain 5 is pulled by the restoring force of the right elastic component 26 to move back and draw the movable pulley block to do a return movement, and the winding rope on the movable pulley is drawn accordingly, the right winding wheel 23 is pulled to rotate reversely and finally returns to the initial state, completing one cycle. The invention further meets the power requirement of the bicycle through the two sets of pulley driving systems 100, so that the riding is more labor-saving and the speed is higher, and in addition, the automatic switching locking system 200 plays a role in locking and unlocking the wound driving wheel, thereby facilitating the automatic speed regulation of the bicycle and the safety of the bicycle.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. A high-speed labor-saving bicycle comprises a guide handlebar, a frame body, a driving wheel, a direction wheel and a driving device, and is characterized in that the driving device consists of a pedal, a pulley driving system (100), a switching locking system (200) and a transmission ratio amplifying mechanism (300), the pedal is connected with the pulley driving system (100) and drives the pulley driving system (100), and the pulley driving system (100) comprises a right pulley driving system (101) and a left pulley driving system (102); the pulley block (103) is arranged in each of the right pulley driving system (101) and the left pulley driving system (102), the right pulley driving system (101) and the left pulley driving system (102) are in transmission connection with the transmission ratio amplification mechanism (300) through the respective inner pulley block (103), the switching locking system (200) is arranged in the pulley driving system (100), the switching locking system (200) is respectively connected with the pulley block (103) in the right pulley driving system (101) and the pulley block (103) in the left pulley driving system (102), and the switching locking system (200) realizes alternate operation of the right pulley driving system (101) and the left pulley driving system (102) through switching locking.
2. A high-speed labor-saving bicycle according to claim 1, wherein the automatic switching locking system (200) is installed inside the pulley assembly frame, and the power switching and locking of the bicycle during running are realized through the automatic switching locking system (200); when the pulley driving system (100) is driven, pedals (30) are fixedly connected with an assembly sleeve shaft (24) and drive the assembly sleeve shaft (24) to rotate, the assembly sleeve shaft (24) is connected with a right winding driving wheel (23) and a left winding driving wheel (29) and respectively drives the right winding driving wheel (23) and the left winding driving wheel (29) to rotate alternately, then a corresponding movable pulley rope is drawn to perform winding motion, under the drawing of the pulley rope, a movable pulley (20) performs horizontal linear motion along a pulley groove, a right movable pulley chain (5) and a left movable pulley chain (6) perform motion under the drawing of a corresponding pulley block (103), and the right movable pulley chain (5) and the left movable pulley chain (6) respectively drive a right pulley block flywheel (10) and a left flywheel pulley block (13) to rotate alternately.
3. A high speed, labor saving bicycle according to claim 1, wherein the right pulley drive system (101) comprises a movable pulley (20), a fixed pulley (18) and a right pulley mounting bracket (7); the left pulley driving system (102) comprises a movable pulley (20), a fixed pulley (18) and a left pulley assembly frame (8); the assembly of the pulley driving system (100) is to sequentially assemble the movable pulley (20) in the cavities of the right pulley assembly frame (7) and the left pulley assembly frame (8) and do reciprocating linear motion along the cavities; the pulley driving system (100) is connected in an internal connection mode through a pulley block (103), when the pulley block (103) is connected, one end of a pulley (18) and one end of a movable pulley (20) are fixed on the inner wall of the right pulley assembly frame (7), and the other end of the pulley (18) and the other end of the movable pulley (20) are the tail end of a rope of the pulley block (103); the external connection mode of the pulley driving system (100) is that a right pulley assembly frame (7) and a left pulley assembly frame (8) are fastened on an assembly platform (12), a fixed pulley (18) pulls a rope to move, and the tail end of the rope of a pulley block (103) is fastened on a right winding driving wheel (23) and a left winding driving wheel (29).
4. A high-speed labour-saving bicycle according to claim 1, wherein said switching locking system (200) is composed of a gap slider (19), an assembling sleeve shaft (24), a right pin (25), a left pin (28), a right winding driving wheel (23) and a left winding driving wheel (29); when the switching locking system (200) works, firstly, the lower inner slide block (1902) is positioned at the tail end of the assembling key groove (21) and is in contact with the telescopic pin (2404) of the left circular rudder (2402), the left circular rudder (2402) is enabled to generate outward displacement, a metal cylinder on the left circular rudder (2402) contracts along the radial direction, and the left winding driving wheel (29) is unlocked with the assembling sleeve shaft (24); at the moment, the outer sliding block (1902) is separated from the right circular ring rudder (2403) under the traction of the soft rope (1903), the right winding driving wheel (23) is locked with the assembly sleeve shaft (24) through a metal cylinder on the right circular ring rudder (2403) and rotates along with the assembly sleeve shaft (24), the right winding driving wheel (23) winds and pulls the movable pulley rope to drive the pulley block (103) to move, the movement of the pulley block (103) pulls the right movable pulley chain (5) to move, the right pin (25) on the right movable pulley chain (5) pushes the gap sliding block (19) to move in the process of moving along with the chain, and the outer sliding block (1902) moves in the opposite direction due to the traction of the soft rope (1903).
5. The high-speed labor-saving bicycle according to claim 4, wherein the clearance slider (19) is composed of an outer slider (1901) and an inner slider (1902), the soft rope (1903) passes through the round hole (22) to connect the outer slider (1901) and the inner slider (1902) together, and cylindrical protrusions are arranged on the backs of the outer slider (1901) and the inner slider (1902), can be respectively assembled on the respective movable pulley assembly brackets together with the key groove (21), and can linearly slide along the key groove (21); the gap sliding blocks (19) are assembled on two right pulley assembly frames (7) and a left pulley assembly frame (8) which are symmetrically distributed; one ends of a right elastic component (26) and a left elastic component (27) are fastened on the assembly table (12), and the other ends of the right elastic component (26) and the left elastic component (27) are connected with the right movable pulley chain (5) and the left movable pulley chain (6) and can do telescopic motion under the traction of the right movable pulley chain (5) and the left movable pulley chain (6); the right elastic part (26) and the left elastic part (27) can also be completed through a return spring or other rotating parts.
6. A high speed, labor saving bicycle as claimed in claim 1, wherein the four ratio amplifying mechanisms (300) are divided into four stages: a right winding driving wheel (23), a left winding driving wheel (29), a right pulley block flywheel (10) and a left pulley block flywheel (13) form a first-stage transmission ratio amplifying mechanism; a right pulley block flywheel (10), a left pulley block flywheel (13) and a pulley block chain wheel (11) form a second-stage transmission ratio amplifying mechanism; the pulley block chain wheel (11) and the flywheel (14) form a third-stage transmission ratio amplifying mechanism; the chain wheel (2) and the wheel flywheel (9) form a fourth-stage transmission ratio amplifying mechanism.
7. A high-speed labor-saving bicycle as claimed in claim 2, wherein the right winding driving wheel (23) and the left winding driving wheel (29) are provided with cross-shaped key slots (21) on inner rings, the size of the key slots (21) is matched with that of a metal cylinder on the assembly sleeve shaft (24), and the metal cylinder makes telescopic motion in a round hole of the sleeve shaft (24); the assembling sleeve shaft (24) is composed of a sleeve (2401), a left circular ring rudder (2402) and a right circular ring rudder (2403), the left circular ring rudder (2402) and the right circular ring rudder (2403) are assembled on the sleeve (2401) through key slots (21), and the assembling sleeve shaft (24) is connected with the key slots (231) of the right winding driving wheel (23) and the left winding driving wheel (29) through telescopic metal cylinders on the left circular ring rudder (2402) and the right circular ring rudder (2403).
8. A high-speed labor-saving bicycle according to claim 2, wherein the right movable pulley chain (5) and the left movable pulley chain (6) are connected with the pulley block (103) and fixed at the connecting end of the right elastic component (26) and the left elastic component (27) through a right pin (25) and a left pin (28), and the right pin (25) and the left pin (28) move along with the right movable pulley chain (5) and the left movable pulley chain (6) and can push the outer slide block (1901) and the inner slide block (1902) to move forwards in the displacement direction.
9. A high-speed labor-saving bicycle according to claim 2, wherein the chain wheel (2) and the wheel flywheel (9) are connected and operated through the wheel chain (1); the pulley block chain wheel (11) and the flywheel (14) are connected through a chain (4) to run; the upper end of the flywheel (14) is provided with a bracket, and the seat (3) is arranged on the bracket; one end of the right movable pulley chain (5) and one end of the left movable pulley chain (6) are respectively connected with a right elastic component (26) and a left elastic component (27); the other ends of the right movable pulley chain (5) and the left movable pulley chain (6) are respectively connected with a right pulley assembly frame (7) and a left pulley assembly frame (8) through a right fixing buckle (15) and a left fixing buckle (16); and the inner cavities of the right pulley assembly frame (7) and the left pulley assembly frame (8) are provided with fixed pulleys (17).
10. A high-speed labour-saving bicycle according to claim 3, wherein said switching locking system (200) is a mechanical switching locking system, an electric control switching locking system or other control mode switching locking system.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010347784.0A CN111361683B (en) | 2020-04-28 | 2020-04-28 | High-speed labor-saving bicycle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010347784.0A CN111361683B (en) | 2020-04-28 | 2020-04-28 | High-speed labor-saving bicycle |
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| CN111361683A true CN111361683A (en) | 2020-07-03 |
| CN111361683B CN111361683B (en) | 2024-05-17 |
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| CN202010347784.0A Active CN111361683B (en) | 2020-04-28 | 2020-04-28 | High-speed labor-saving bicycle |
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|---|---|---|---|---|
| CN2250903Y (en) * | 1995-12-07 | 1997-04-02 | 尚雪清 | Labour-saver for bicycle |
| CN1239048A (en) * | 1999-05-20 | 1999-12-22 | 高认忠 | Pulley-type bicycle |
| CN2463310Y (en) * | 2000-12-26 | 2001-12-05 | 张勇 | Labour-saving three-freewheel bicycle |
| US20090058034A1 (en) * | 2007-09-04 | 2009-03-05 | Juliana Leslie | Phase Independent Row Motion Propelled Bicycle |
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| Publication number | Publication date |
|---|---|
| CN111361683B (en) | 2024-05-17 |
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