WO2018188553A1 - 万向节转向钛合手脚合力可单腿骑行自行车 - Google Patents

万向节转向钛合手脚合力可单腿骑行自行车 Download PDF

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Publication number
WO2018188553A1
WO2018188553A1 PCT/CN2018/082330 CN2018082330W WO2018188553A1 WO 2018188553 A1 WO2018188553 A1 WO 2018188553A1 CN 2018082330 W CN2018082330 W CN 2018082330W WO 2018188553 A1 WO2018188553 A1 WO 2018188553A1
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WIPO (PCT)
Prior art keywords
hole
pin
seat
shaft
fork
Prior art date
Application number
PCT/CN2018/082330
Other languages
English (en)
French (fr)
Inventor
张志雄
陈俞任
Original Assignee
张志雄
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Filing date
Publication date
Application filed by 张志雄 filed Critical 张志雄
Priority to US16/611,783 priority Critical patent/US11492070B2/en
Priority to EP18784555.7A priority patent/EP3611087B1/en
Publication of WO2018188553A1 publication Critical patent/WO2018188553A1/zh

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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
    • B62M1/00—Rider propulsion of wheeled vehicles
    • B62M1/12—Rider propulsion of wheeled vehicles operated by both hand and foot power
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J1/00—Saddles or other seats for cycles; Arrangement thereof; Component parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J1/00—Saddles or other seats for cycles; Arrangement thereof; Component parts
    • B62J1/08—Frames for saddles; Connections between saddle frames and seat pillars; Seat pillars
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J1/00—Saddles or other seats for cycles; Arrangement thereof; Component parts
    • B62J1/28—Other additional equipment, e.g. back-rests for children
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K21/00—Steering devices
    • B62K21/02—Front wheel forks or equivalent, e.g. single tine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K21/00—Steering devices
    • B62K21/18—Connections between forks and handlebars or handlebar stems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62L—BRAKES SPECIALLY ADAPTED FOR CYCLES
    • B62L3/00—Brake-actuating mechanisms; Arrangements thereof
    • B62L3/02—Brake-actuating mechanisms; Arrangements thereof for control by a hand lever
    • B62L3/026—Brake-actuating mechanisms; Arrangements thereof for control by a hand lever actuation by a turning handle or handlebar
    • 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
    • B62M1/00—Rider propulsion of wheeled vehicles
    • B62M1/36—Rider propulsion of wheeled vehicles with rotary cranks, e.g. with pedal cranks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M11/00—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels
    • B62M11/02—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of unchangeable ratio
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M17/00—Transmissions characterised by use of rotary shaft, e.g. cardan shaft
    • 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
    • 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
    • B62M9/02—Transmissions characterised by use of an endless chain, belt, or the like of unchangeable ratio
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium

Definitions

  • the invention relates to the field of bicycles, and the international patent is classified as B62M, in particular, a universal joint steering titanium joint hand and foot combined single leg riding bicycle.
  • the alternate pedaling of the left and right feet also causes the transient force imbalance, and the hands can only grasp the direction and the brakes and assist the body balance. The hands can't help the legs, and the one-legged obstacles are simply unable to control. It is the perfect person and the bicycle can not be controlled after one leg and foot injury.
  • the driving device of the bicycle in daily life is a rotary pedal type, and the mechanism of alternately stepping on the pedals is like a crank linkage mechanism, which generates two upper and lower dead points, so that the work cannot be performed continuously, and the efficiency is not high.
  • the left and right feet can not generate driving force when pedaling downwards, only when the position between the pedal mast and the central axis of the sprocket is horizontal. Do not do useless work.
  • some people have set the buckle type bicycle pedal, so that the rider's foot can be pressed against the pedal board at any position on the circumference, such as the authorized patent number: 201020300738.7; the buckle type bicycle pedal has a disadvantage that it is happening. It is difficult to separate people and vehicles in a car accident. Moreover, the rider's foot can only exert maximum effect on the ankle plate only when it is in the lower jaw position of the circumference.
  • the rider's foot can hardly apply force to the ankle board except the kneeling position.
  • Others have designed the circular sprocket to be elliptical, such as the authorized patent number: 201280041248.1, the bicycle's asymmetric oval sprocket, and so on. It can be said that all efforts are made to improve the speed of the bicycle. In order to allow both hands to give both feet a foot, some people use the hand-cranking mechanism of a disabled person on a bicycle.
  • the mechanism brings about unsteady left and right, and still fails to solve the inherent drawbacks of the two dead points of the top and bottom of the bicycle.
  • the history of bicycles at home and abroad has proved two points: First, bicycles with low carbon and environmental protection will never be eliminated; second, bicycles with low carbon and environmental protection can certainly be creatively improved.
  • the mechanism used by both hands to assist the steering while assisting is the technical bottleneck of the two-handed bicycle.
  • the object of the present invention is to provide a universal joint steering titanium foot and a joint force single leg riding bicycle, and to improve the driving force structure through creativity, skillfully coordinate the hands and feet, the circumferential process of the sprocket is continuously driven, and the universal direction is adopted.
  • the section turns to the combined power-assisted sliding sleeve mechanism to solve the problems raised in the above background art to achieve an increase in riding speed.
  • Universal joint steering titanium hand and foot joints can be used for single-legged bicycles, including bicycle front wheels, front forks, bicycle rear wheels, bracket bodies, seat cushion assemblies, steering handles, single and double sprocket wheels, and rear wheel forks.
  • the bracket main body has a bracket front fork hole and a bracket middle shaft hole, and the bracket middle shaft can rotatably fix the bracket middle shaft; as an improvement:
  • the upper end of the front fork shaft and the lower end of the power assisting arm are connected by a universal joint component, and the rear wheel of the bicycle has a single double ratchet wheel on at least one side thereof, and the single shaft of the bracket is fixed at least one side of the shaft, and the outer side of the single double sprocket Symmetrically arranged with an ankle pin, the single double sprocket is connected with a single double chain between the single and double ratchets; the assisting force fixedly connects the lower end to the joint of the universal joint, and the upper end of the front fork shaft is fixedly connected with the universal joint
  • the lower joint, the joint of the universal joint and the joint of the universal joint are fixed with a universal joint block;
  • the upper beam of the bracket has a pendulum rod slot and a boosting support hole seat
  • the power swing swing rod has a swing rod middle seat hole and a swing rod upper hole ring and a swing rod lower fork
  • the swing rod lower fork has a swing rod lower seat hole
  • the hole ring on the rod passes through the swing rod
  • the swing rod shaft pin passes through the seat hole of the swing rod and fixes the seat hole of the swing rod on the power assist support hole seat
  • the power steering sleeve has a sliding sleeve through hole and a pair
  • the sliding sleeve has a sliding sleeve pin hole, and the sliding sleeve pin hole and the upper ring of the swinging rod are hinged by the sliding sleeve shaft pin, and the sliding sleeve through hole is sliding between the sliding sleeve through hole and the assisting force.
  • the front and rear ends of the auxiliary connecting rod respectively have a connecting rod assisting hole and a connecting rod foot hole, and the lower shaft of the swinging rod and the connecting rod assisting hole are hinged by the hand driving shaft pin, the connecting rod foot hole and the pedal shaft pin Rotating fit between
  • the rear pillar has a rear pillar seat hole at the upper end of the bracket, and the upper and lower ends of the rod swing fork have a lower rod lower fork hole and a pull rod upper seat hole, and the seat traverse bar has a seat slide rail, a slide rail pin hole and a seat swing fork.
  • the seat cushion assembly is fixed to the rear end of the seat yoke.
  • the seat cushion assembly further includes a seat chute and a chute pin hole and a gravity seat, the gravity seat has a seat back at the rear end, and the angle between the gravity seat and the seat back is 115. ⁇ 135 degree obtuse angle; sliding fit between the seat chute and the seat rail, the slot pin hole and the rail pin hole can be selectively aligned, and the slot pin hole and the rail pin hole are connected by the groove track The pin is fixedly connected.
  • the front fork frame includes a front fork hole seat and a front fork shaft, and the front handlebar and the rear brake lever are respectively fixed on the two sides of the handlebar, and the lower end of the handlebar has a power assisting
  • the front brake is connected to the front brake through a front brake cord, and the front brake is fixed on the front fork; the rear brake is connected to the rear brake through a rear brake cord.
  • a rear brake is fixed to the rear wheel fork.
  • the universal joint component is composed of a universal joint upper joint and a universal joint lower joint and a universal joint square, and the universal joint square has a transverse shaft pin and a longitudinal shaft pin, and the joint upper pin is 10,000
  • the joint on the joint is fixed on the lower end of the power assisting handle, and the joint on the joint of the universal joint has a joint on the joint, and the joint on the fork has a pin hole on the joint, and the pin hole on the joint and the transverse shaft pin are swingably fixed;
  • the lower pin fixes the lower joint of the universal joint to the upper end of the front fork shaft, the lower joint of the universal joint has the joint lower fork, the lower joint of the joint has the joint lower pin hole, and the joint pin hole and the longitudinal shaft pin are swingable. Turn fixed.
  • the middle shaft of the bracket is symmetrically arranged with a middle axle slot, the middle axle slot has a central axle square outside, and the central axle squares at both sides have a central axle stud, and the inner collar of the shaft is located In the middle axle slot, the axial displacement between the shaft hole of the bracket and the middle shaft of the bracket is limited;
  • the single double sprocket has a square hole of the sprocket and a square hole of the sprocket shaft, and the square sprocket of the sprocket is fixedly matched with the square hole Ankle pin;
  • the center hole of the sprocket cooperates with the central axis square column, the middle shaft nut is fastened with the middle shaft stud, and the middle shaft nut blocks the single double sprocket;
  • the pedal shaft pin has an ankle shaft shoulder, the outer side end surface of the pedal shaft has a pedal fixing screw hole, the pedal fixing screw hole is equipped with a pedal fixing screw; the pedal fixing screw and the pedal fixing screw hole are fastened.
  • the pedal pedal is fixed on the pedal pin;
  • the ankle shaft shoulder has a pedal crank surface, an ankle square shaft section and an ankle shaft stud;
  • the connecting rod foot hole has a connecting rod lining
  • the sleeve has a rotatable sliding fit between the inner hole of the connecting rod bore bushing and the outer circumference of the crankshaft surface of the crankshaft;
  • the lower fork hole of the pull rod has a pull rod fork hole bushing, the inner hole of the pull rod fork hole bushing and the outer surface of the crankshaft of the pedal Rotating sliding fit between the circles;
  • the isolation sliding ring is located between the connecting rod bore bushing and the tie rod fork bushing for eliminating end face interference; there is a square hole block between the pedal crank surface step and the single double s
  • the outer circumference of the crankshaft surface has a layer of 0.37-0.39 mm thick titanium alloy hard material
  • the titanium alloy hard material is composed of the following weight percentage elements: titanium: 8.4-8.6%, copper : 7.1 to 7.3%, nickel: 6.4 to 6.6%, molybdenum: 5.1 to 5.3%, tungsten: 3.7 to 3.9%, chromium: 2.4 to 2.6%, carbon: 0.64 to 0.66%, zinc: 0.7 to 0.9%, aluminum: 0.1 to 0.3%, the balance being Fe and unavoidable impurities; the content of the impurities by weight is: less than 0.08% of manganese, less than 0.005% of silicon, less than 0.06% of sulfur, and less than 0.04% of phosphorus, the titanium The alloy hard material has a surface Rockwell hardness value of HRC 64 to 66;
  • the isolated sliding ring and the square hole retaining ring are all made of copper-based powder metallurgy self-lubricating wear-resistant material, including the following components, and are composed of mass percentage: nickel: 2.7 to 2.9%; graphite: 2.4 to 2.6%; Molybdenum sulfide: 2.1 to 2.3%, the balance is copper; the nickel has a particle size of 140 to 160 mesh, the graphite has a particle size of 70 to 80 mesh, and the molybdenum disulfide is a colloidal powder with a purity of 96% to 98%, copper.
  • the particle size is 140-160 mesh; the pressing pressure of the isolated sliding ring and the square hole retaining ring blank is 260-280 MPa.
  • the universal joint member between the upper end of the front fork shaft and the lower end of the power assisting lever, and the sliding sleeve through hole on the power-assisted sliding sleeve are in sliding connection with the assisting force, which can drive the power-assisting swing rod together
  • the lower swing fork swings clockwise or counterclockwise with the swing pin as the fulcrum.
  • the auxiliary link drives the pedal pin and the single double sprocket to rotate with the bracket shaft as the fulcrum.
  • Points and "low dead point” play a creative role; setting the universal joint component allows the rider to hold the hand in the direction of the handle while pushing forward or backward pulling, without hindering the change of the front and left steering at any time;
  • the body gravity acts on the seat cushion assembly, so that the seat yaw rod and the seat cushion assembly are counterclockwise rotated with the seat shaft pin as a fulcrum, and then the lever swing fork is used to make a “lift up” motion, and the foot pedal is moved.
  • the pin and the single double sprocket rotate counterclockwise with the central axis of the bracket as a fulcrum;
  • the invention adds a universal joint component, a power-assisted sliding sleeve, a power-assisting swing rod and a power-assisted connecting rod, thereby realizing the two hands to participate in work;
  • the invention adds a seat yaw Rod and pull Pendulum fork, overcome the conventional bicycle footrest two limit positions must differ by 180 degrees, without alternately urging feet, legs can be a single ride;
  • the pedal pin is provided with an ankle crank surface between the ankle shaft shoulder and the ankle square shaft section, and the connecting rod bore bushing inner hole and the pull rod fork hole bushing inner hole are both the ankle crank surface
  • the outer circle is rotatable and sliding, and the riding is easy and smooth; there is a square hole retaining ring between the pedal crank step and the single and double sprocket, which can effectively reduce the end face friction; the connecting rod boring bushing and the tie rod grooving
  • An isolation slip ring is provided between the sleeves to ensure that the end faces do not interfere;
  • the hand and foot of the present invention work together to achieve great power, the natural speed is fast, and the chain force is also increased.
  • the advantage of the single and double sprocket combined with the single double chain and the bicycle rear wheel having at least one side of the single and double ratchets is the special enhanced chain model. Dimensions, easy to use standard parts, and if you break the single-sided chain, you can still ride to the maintenance point or destination, not to push the car after the "chain" in the middle of the road, this is a single-leg obstacle People are especially important.
  • Figure 1 is a perspective view of the present invention in which the ankle pin 84 is located at the highest point of the motion circumference.
  • FIG. 2 is a perspective view showing the state in which the single and double sprocket 80 of FIG. 1 is rotated by 45 degrees.
  • FIG. 3 is a perspective view showing the state in which the single and double sprocket 80 of FIG. 1 is rotated by 90 degrees.
  • FIG. 4 is a perspective view showing the state in which the single and double sprocket 80 of FIG. 1 is rotated by 135 degrees.
  • FIG. 5 is a perspective view showing the state in which the single-double sprocket 80 of FIG. 1 is rotated by 180 degrees.
  • Fig. 6 is a perspective view showing the state in which the single and double sprocket 80 of Fig. 1 is rotated by 225 degrees.
  • Fig. 7 is a perspective view showing the state in which the single and double sprocket 80 of Fig. 1 is rotated by 270 degrees.
  • FIG. 8 is a perspective view showing the state in which the single-double sprocket 80 of FIG. 1 is rotated by 315 degrees.
  • Figure 9 is a perspective view of the direction handle 70 of Figure 1 alone.
  • Figure 10 is a separate perspective view of the universal joint block 12.
  • Figure 11 is a perspective view of the front wheel fork 11 alone.
  • Figure 12 is a cross-sectional view of the power steering sleeve 60 of Figure 1 .
  • Figure 13 is a view taken in the direction of K in Figure 12 .
  • Fig. 14 is a perspective view showing the state in which the holder main body 30 and the rear wheel fork 90 of Fig. 1 are connected.
  • Figure 15 is a perspective view of the stent body 30 of Figure 14 as a separate perspective view.
  • Figure 16 is a perspective view of the rear fork frame 90 of Figure 14 alone.
  • Figure 17 is a perspective view of the power swing lever 46 of Figure 1 alone.
  • Figure 18 is a perspective view of the assist link 43 of Figure 1 alone.
  • Figure 19 is a perspective view of the tie bar splitter 42 of Figure 1 alone.
  • Figure 20 is a perspective view showing the combination of the pedal pin 84 and the bracket center shaft 88 of the single and double sprocket 80 of Figure 1 .
  • Figure 21 is a cross-sectional view of the axis line of the ankle shaft pin 84 and the axis of the shaft 88 in the bracket of Figure 20;
  • Figure 22 is an enlarged view of a portion where the ankle shaft pin 84 and the single and double sprocket 80 of Figure 21 are connected.
  • FIG. 23 is a perspective view of the seat yaw 45 of FIG. 1 alone.
  • FIG. 24 is a separate perspective view of the seat cushion assembly 50 of FIG. 1.
  • 25 is a schematic illustration of four different force zones of the ankle pin 84 on the single and double sprocket 80.
  • Universal joint steering titanium joint hand and foot can be single-legged bicycle, including bicycle front wheel 10, front wheel fork 11, bicycle rear wheel 20, bracket body 30, seat cushion assembly 50, steering handle 70, single and double sprocket 80 and a rear fork frame 90
  • the front wheel fork frame 11 includes a front fork hole seat 16 and a front fork shaft 13
  • a front brake lever 72 and a rear brake lever 73 are respectively fixed to the two sides of the handlebar 70, and the lower end of the handlebar 70 is provided
  • the front brake lever 72 is connected to the front brake brake 15 through the front brake cord, the front brake brake 15 is fixed on the front wheel fork 11;
  • the rear brake lever 73 is connected to the rear brake through the rear brake cord
  • a brake 25 is attached to the rear wheel fork 90;
  • the bracket body 30 includes a bracket upper beam 38 and a bracket lower beam 37 and a bracket oblique column 29, and the bracket oblique column 29 and the bracket upper beam 38
  • the upper end of the front fork shaft 13 and the lower end of the power steering handle 76 are connected by a universal joint member 77.
  • the bicycle rear wheel 20 has a single double ratchet 21 on at least one side thereof, and the bracket center shaft 88 is fixed with a single double sprocket on at least one side thereof.
  • 80, the outer side of the single double sprocket 80 is symmetrically disposed with a pedal pin 84, and the single double sprocket 80 and the single double ratchet 21 are connected by a single double chain 23;
  • the lower end of the support 76 is fixedly connected with the universal joint upper joint 71, the upper end of the front fork shaft 13 is fixedly connected with the universal joint lower joint 17, and the universal joint lower joint 17 and the universal joint upper joint 71 are fixed with a universal joint.
  • the bracket upper beam 38 has a swing rod through groove 36 and a power assisting support seat 34.
  • the power swing swing rod 46 has a swing rod middle seat hole 66 and a swing rod upper hole ring 65 and a swing rod lower fork 41.
  • the fork 41 has a swing rod lower seat hole 68; the swing rod upper ring ring 65 passes through the swing rod through slot 36, the swing rod axle pin 44 passes through the swing rod middle seat hole 66 and the swing rod middle seat hole 66 is fixed to the assisting force. Supporting the socket 34;
  • the power-assisting sliding sleeve 60 has a sliding sleeve through hole 67 and a pair of sliding sleeves 62.
  • the sliding sleeve seat 62 has a sliding sleeve pin hole 63, and the sliding sleeve pin hole 63 and the upper pole 65 of the swinging rod are sleeved by the sliding sleeve.
  • the axle pin 64 is hinged, and the sliding sleeve through hole 67 is in sliding engagement with the assisting force stem 76;
  • the front and rear ends of the assisting link 43 respectively have a link assisting hole 27 and a connecting rod foot hole 28, and the swinging lever lower seat hole 68 and the link assisting hole 27 are hinged by the hand drive shaft pin 40, and the connecting rod foot hole 28 a rotatable fit with the ankle pin 84;
  • the rear pillar 91 of the bracket has a rear pillar seat hole 35, and the upper and lower ends of the rod swinging fork 42 have a pull rod lower fork hole 22 and a pull rod upper seat hole 24, and the seat yaw 45 has a seat slide 57.
  • a rail pin hole 56 and a seat pendulum fork 52 having a fork pin hole 51 on the seat pendulum fork 52;
  • the rear post seat hole 35 and the seat post pin hole 54 are hinged by the seat pin 95;
  • the hole 51 and the pull rod upper seat hole 24 are hinged by the pull rod shaft pin 47, and the pull rod lower fork hole 22 and the pedal shaft pin 84 are rotatably matched;
  • the seat cushion assembly 50 can be adjusted and fixed at the rear end of the seat yaw 45.
  • the seat cushion assembly 50 further includes a seat chute 58 and a chute pin hole 53 and a gravity seat 69.
  • the rear end of the gravity seat 69 has a seat back 59, a gravity seat 69 and a seat back
  • the angle between 59 is 115 degrees to 135 degrees obtuse angle; the seat chute 58 and the seat rail 57 are in a sliding fit, and the slot pin hole 53 and the rail pin hole 56 can be selectively aligned and slipped.
  • the slot pin hole 53 and the rail pin hole 56 are fixedly connected by the groove rail pin 55.
  • the bracket oblique column 29 has a bracket rear socket 39, and the bracket rear pillar 91 has a spring upper hole 32 at a lower end thereof;
  • the rear wheel fork 90 has a pair of rear wheel housing holes 92 and a spring lower seat hole 96 and a pair of rear fork swing arms 93, a rear fork arm hole 94 on the rear fork swing arm 93, and a rear fork frame pin 99 between the rear fork arm hole 94 and the bracket rear hole seat 39
  • the swingable connection is fixed, and a spring buffer 49 is fixed between the spring upper hole 32 and the spring lower seat hole 96.
  • the universal joint member 77 is composed of a universal joint upper joint 71 and a universal joint lower joint 17 and a universal joint block 12, and the universal joint block 12 has a transverse shaft pin 87 and a longitudinal shaft pin.
  • the joint upper pin 75 fixes the universal joint upper joint 71 to the lower end of the booster grip 76
  • the universal joint upper joint 71 has the joint upper fork 79
  • the joint upper fork 79 has the joint upper pin hole 78
  • the joint uppers The pin hole 78 and the transverse shaft pin 87 are swingably fixed
  • the joint lower pin 14 fixes the universal joint lower joint 17 at the upper end of the front fork shaft 13
  • the universal joint lower joint 17 has a joint lower fork 19, and the joint
  • the lower fork 19 has a joint lower pin hole 18, and the joint lower pin hole 18 and the longitudinal shaft pin 81 are swingably fixed.
  • the central axis of the bracket 88 is symmetrically disposed with a central axle slot 26, the central axle slot 26 has a central axle square 82, and the outer axles 82 of the two sides have a central axle stud 86.
  • the inner ring 64 for the shaft is located in the middle axle slot 26 to limit the axial displacement between the shaft hole 33 of the bracket and the shaft 88 of the bracket;
  • the single double sprocket 80 has a sprocket center square hole 83 and a sprocket shaft square hole 85, and the sprocket shaft square hole 85 is fixedly fitted with the pedal shaft pin 84; the sprocket center square hole 83 and the middle
  • the shaft square column 82 is matched, the middle shaft nut 89 is tightly engaged with the middle shaft stud 86, and the middle shaft nut 89 blocks the single double sprocket 80;
  • the pedal shaft pin 84 has an ankle shaft shoulder 481.
  • the outer end surface of the pedal shaft shoulder 481 has a pedal fixing screw hole 482.
  • the pedal fixing screw hole 482 is provided with a pedal fixing screw 428.
  • the pedal fixing screw 428 The pedal pedal 48 is fastened with the pedal fixing screw hole 482 to fix the pedal pedal 48 to the pedal shaft pin 84;
  • the ankle shaft shoulder 481 has an ankle crank surface 483, an ankle square shaft portion 485 and an ankle shaft stud.
  • a connecting rod boring hole 28 has a connecting rod boring bushing 828, and a rotating sliding fit between the inner hole of the connecting rod boring bushing 828 and the outer circumference of the ankle crank surface 483;
  • the pull rod lower fork hole 22 has The pull rod fork bushing 822, the inner hole of the pull rod fork bushing 822 and the outer circumference of the crankshaft surface 483 are rotatable sliding fit;
  • the isolating slip ring 438 is located at the connecting rod bore bushing 828 and the pull rod fork hole bushing 822
  • there is a square hole retaining ring 484 between the pedal crank surface 483 step and the single double sprocket 80, used to reduce the end face friction;
  • the sprocket ⁇ shaft square hole 85 is placed on the square shaft section of the ankle On the 485, the ankle shaft stud 486 is fitted with an ankle nut 468, the ankle nut 468 is fastened with the ankle shaft stud 486, and the single and double sprockets 80
  • the ankle crank surface 483 has a 0.38 mm thick titanium alloy hard material on the outer circumference
  • the titanium alloy hard material is composed of the following weight percentage elements: titanium: 8.5%, copper: 7.2% , nickel: 6.5%, molybdenum: 5.2%, tungsten: 3.8%, chromium: 2.5%, carbon: 0.65%, zinc: 0.8%, aluminum: 0.2%, the balance being Fe and unavoidable impurities;
  • the weight percentage content is: manganese: 0.05%, silicon: 0.02%, sulfur: 0.02%, phosphorus: 0.01%, the surface hardness of the titanium alloy hard material is HRC65;
  • the isolation sliding ring 438 and the square hole retaining ring 484 are entirely made of copper-based powder metallurgy self-lubricating wear-resistant material, including the following components, composed of mass percentage: nickel: 2.8%; graphite: 2.5%; molybdenum disulfide : 2.2%, the balance is copper; the nickel has a particle size of 150 mesh, the graphite has a particle size of 75 mesh, the molybdenum disulfide is a colloidal powder, the purity is 97%, and the copper has a particle size of 150 mesh;
  • the pressing pressure of the ring 438 and the square hole retaining ring 484 is 270 MPa.
  • the connecting rod boring bushing 828 and the tie rod yoke bushing 822 are all self-lubricating bearings, and the supporting 76 and the steering handle 70 are integrated as a whole structure, and the front handlebar 70 is fixedly mounted with the front brake handle 72.
  • the bicycle front wheel 10 is fixed in the front fork hole seat 16, the front brake brake 15 is fixed in front of the front wheel fork frame 11, and the brake hose line is connected between the front brake gate 15 and the front brake lever 72
  • the bicycle rear wheel 20 is fixed in the rear wheel housing 92, the rear brake 25 is fixed under the rear wheel fork 90, and the rear brake 25 and the rear brake lever 73 are connected by a rear brake hose line;
  • the connector upper joint 71 and the universal joint lower joint 17 and the universal joint block 12 are integrally purchased.
  • the bicycle rear wheel 20 has a single double ratchet 21 on at least one side, and the two single and double ratchets 21 rotate in the same direction, and the single sides are single.
  • the double ratchets 21 are previously fixed to both sides of the hub of the bicycle rear wheel 20.
  • the front fork shaft 13 passes through the sliding sleeve through hole 67, and the joint lower pin 14 fixedly connects the universal joint lower joint 17 to the upper end of the front fork shaft 13;
  • the power steering rod 76 passes through the bracket front fork hole 31, and the joint pin 75, the universal joint upper joint 71 is fixedly connected to the lower end of the booster grip 76;
  • the support hole seat 34 and the swing hole middle seat hole 66, the swing rod middle seat hole 66 can be swing-rotated and fixed on the power support support hole seat 34; the swing rod upper hole ring 65 is placed in the middle of the pair of slide sleeve seats 62, and The upper ring 65 of the swinging rod is aligned with the sliding pin hole 63, and the sliding sleeve pin 64 passes through the upper ring 65 of the swinging rod and the sliding pin hole 63, and the upper ring 65 and the sliding pin hole 63 of the swinging rod can be The swinging fixed connection; aligning the link assisting hole 27 on the assisting link 43 with the swinging lower seat hole 68, the hand drive shaft pin 40 sequentially passes through the link assisting hole 27 and the swinging lower seat hole 68, and the connecting rod
  • the power assisting hole 27 and the swinging arm lower seat hole 68 are swingably connected and fixed;
  • the seat post pin hole 54 is aligned with the rear post seat hole 35, the seat shaft pin 95 passes through the seat post pin hole 54 and the rear post seat hole 35, and the seat yaw 45 can be swung and fixed
  • the bracket rear post 91; the pull rod upper seat hole 24 is placed in the middle of the pair of seat balance forks 52, and the pull rod upper seat hole 24 is aligned with the fork pin hole 51, and the pull rod shaft pin 47 passes through the pull rod upper seat hole 24 and the fork pin hole 51.
  • the swing rod upper hole 24 and the fork pin hole 51 can be swing-fixed and fixedly connected; according to the rider's body and habit, the slot pin hole 53 and the rail pin hole 56 are aligned at appropriate positions, the chute The pin hole 53 and the rail pin hole 56 are fixedly connected by the groove rail pin 55;
  • the bracket center shaft 88 is placed in the bracket shaft hole 33, and the two shaft inner snap rings 61 are respectively placed in the middle shaft card slots 26 on both sides by the circlip special pliers, and the bracket middle shaft is restricted.
  • the stern square hole 85 is located on the same axial center line, and the middle shaft nut 89 is tightly engaged with the middle shaft stud 86 to fix the single double sprocket 80 to the bracket center shaft 88;
  • the two single and double chains 23 are preliminarily placed on the single and double sprocket 80, and the ankle cylinder surface 483 on one of the ankle shaft pins 84 sequentially passes through the inner hole of the connecting rod boring bushing 828 and the isolation sliding ring.
  • the square hole on the square hole retaining ring 484 is sleeved on the ankle square shaft section 485, and the ankle square shaft section 485 is squeezed into the sprocket ⁇ shaft square hole 85
  • the pedal nut 468 is tightly engaged with the pedal shaft stud 486, and the pedal crank surface 483 is stepped on the single double sprocket 80 with the square hole retaining ring 484; the inner hole of the pedal pedal 48 is inserted.
  • the pedal fixing screw 428 is tightly engaged with the pedal fixing screw hole 482 to fix the pedal pedal 48 to the pedal shaft pin 84.
  • the pedal pin 84 and the single side of the other side The double sprocket 80 is fixedly connected in the same manner as above;
  • the member 77 makes a clockwise swing for the fulcrum; the moving point sleeve shaft pin 64 swings clockwise with the swing rod shaft pin 44 as a fulcrum, and the moving point hand drive shaft pin 40 also uses the swing rod shaft pin 44 as a fulcrum as a clockwise direction.
  • the pedal link 84 can be efficiently pulled by the assist link 43 together with the single double sprocket 80 to rotate counterclockwise with the bracket center shaft 88 as a fulcrum, and the single double chain 23 drives the single double ratchet 21 together with the bicycle rear wheel 20 Rolling forward, driving the whole vehicle to take people together;
  • the moving rod shaft pin 47 is driven by the rod swinging fork 42 to rotate counterclockwise with the seat shaft pin 95 as a fulcrum, and the seat yaw rod 45 together with the seat cushion assembly 50 also counterclockwise with the seat shaft pin 95 as a fulcrum. Swinging, giving the rider the next kick-up action to boost;
  • the cyclist has a forward component while working downwards, and the pedal yoke 84 is better driven, and the single sprocket 80 is rotated counterclockwise with the bracket center shaft 88 as a fulcrum; meanwhile, the cyclist The hand grip 70 is still doing the pull-back movement, and the moving sleeve shaft pin 64 is rotated clockwise with the swing rod axle pin 44 as a fulcrum, and the moving hand drive shaft pin 40 is also the swing rod axle pin 44.
  • the fulcrum is rotated clockwise, and the urging link 43 is combined to drive the pedal pin 84 together with the single and double sprocket 80 to rotate counterclockwise with the bracket center shaft 88 as a fulcrum.
  • the single double chain 23 drives the single and double ratchets 21 together with the bicycle.
  • the wheel 20 rolls forward, driving the whole vehicle to take people forward together, and realizes the smooth handover of the work done by both hands to the body gravity;
  • the moving rod shaft pin 47 continues to be driven by the rod swinging fork 42 and counterclockwise with the seat shaft pin 95 as a fulcrum.
  • the seat yaw 45 and the seat cushion assembly 50 are also reversed with the seat shaft pin 95 as a fulcrum.
  • the moving rod shaft pin 47 continues to be driven by the rod swinging fork 42 and counterclockwise with the seat shaft pin 95 as a fulcrum.
  • the seat yaw 45 and the seat cushion assembly 50 are also reversed with the seat shaft pin 95 as a fulcrum.
  • the driving assisting force 76 swings counterclockwise with the universal joint member 77 as a fulcrum; the moving sleeve sliding shaft 64 swings counterclockwise with the swinging shaft pin 44 as a fulcrum, and the moving hand drive shaft pin 40 is also The counter-clockwise rotation is performed by using the swing rod axle pin 44 as a fulcrum, and the pedal link 84 is driven together with the single-double sprocket 80 to rotate counterclockwise with the bracket center shaft 88 as a fulcrum, and is driven by the single double chain 23
  • the moving rod shaft pin 47 continues to be driven by the rod swinging fork 42 and counterclockwise with the seat shaft pin 95 as a fulcrum.
  • the seat yaw 45 and the seat cushion assembly 50 are also reversed with the seat shaft pin 95 as a fulcrum.
  • the swinging pin 40 is counterclockwise rotated for the fulcrum, and the moving hand drive pin 40 is also rotated counterclockwise with the swinging shaft pin 44 as a fulcrum, and the auxiliary connecting rod 43 can efficiently push the pedal pin 84 together with the single
  • the double sprocket wheel 80 rotates counterclockwise with the bracket center shaft 88 as a fulcrum, and the single double chain 23 drives the single double ratchet wheel 21 together with the bicycle rear wheel 20 to roll forward, thereby driving the whole vehicle to take people together;
  • the moving rod shaft pin 47 is in an inflection point which is changed from counterclockwise to clockwise; the seat yaw 45 together with the seat cushion assembly 50 is also in an inflection point which is changed from counterclockwise to clockwise to facilitate riding. The next move of the driver;
  • the body gravity arm generates a larger clockwise torque by means of the seat back 59, and the seat yaw 45 is driven to rotate clockwise with the seat pin 95 as a fulcrum;
  • the sleeve pin 64 rotates counterclockwise with the swing rod axle pin 44 as a fulcrum, and the movable point hand drive shaft pin 40 also rotates counterclockwise with the swing rod axle pin 44 as a fulcrum, and the pedal link shaft is driven by the assist link 43 to drive the pedal shaft.
  • the pin 84 together with the single double sprocket 80, rotates counterclockwise with the bracket center shaft 88 as a fulcrum, and the single double chain 23 drives the single double ratchet 21 together with the bicycle rear wheel 20 to roll forward, thereby driving the whole vehicle to take the person forward together, thereby realizing The hands are doing the work and turning to the smooth transfer of the upper body gravity;
  • the driving seat yaw 45 is rotated clockwise with the seat shaft pin 95 as a fulcrum; the pedal pin 84 is efficiently pulled by the lever bar 42 and the single double sprocket 80 is used as a fulcrum of the bracket center shaft 88 as a fulcrum
  • the hour hand rotates; the single double chain 23 drives the single double ratchet 21 together with the bicycle rear wheel 20 to roll forward, driving the whole vehicle to take people together;
  • the moving point bushing pin 64 is pivoted by the pendulum shaft pin 44 as a pivot point, and is changed from a counterclockwise swing to an inflection point of a clockwise swing; the moving point hand drive shaft pin 40 also uses the swing rod axle pin 44 as a fulcrum. Counterclockwise rotation changes to the inflection point of clockwise rotation;
  • the double chain 23 drives the single and double ratchets 21 to roll forward together with the rear wheel 20 of the bicycle, thereby driving the whole vehicle to take people forward together, thereby realizing the smooth transfer from the work of the body gravity to the work of the two hands; finally, the movement circumference of the ankle shaft pin 84 is realized.
  • the position can efficiently drive the single double sprocket 80 to rotate.
  • the rider gives full play to the body's full body strength.
  • the body alternates between the upright and the lower jaw to achieve full body movement.
  • the alternating push and pull of the hands eliminates the "low dead point” and "high dead point” of the conventional bicycle.
  • the alternating push-pull assisting force combines the upright and sitting postures to alternate the whole body movement, realizing the continuous work effect without dead point movement, and achieving the purpose of efficient and rapid riding.
  • the universal joint member 77 is disposed between the upper end of the front fork shaft 13 and the lower end of the power assisting handle 76, and the sliding sleeve through hole 67 is coupled with the assisting force stem 76 on the assisting sliding sleeve 60 for sliding fit.
  • the power swing lever 46 and the swing lever lower fork 41 can be driven to swing clockwise or counterclockwise with the swing lever shaft 44 as a fulcrum, and the pedal link 84 and the single double sprocket 80 are driven by the assist link 43 to support the center shaft.
  • the universal joint member 77 can realize the rider's hands holding the handle 70 to push forward or pull back While exercising, it does not hinder the change of the left and right steering of the front wheel at any time, and the two hands participate in the work; in particular, the body gravity acts on the seat cushion assembly 50, so that the seat yaw 45 together with the seat cushion assembly 50 is seat pin 95 Performing a counterclockwise rotation for the fulcrum, and then driving the balance bar 42 to make a "lift up” action, the movable ankle pin 84 and the single double sprocket 80 are rotated counterclockwise with the bracket center shaft 88 as a fulcrum; The position of the two legs must be 180 degrees apart, must have the first Just to make up the first step on the foot of the foot can not put force on the pedal defect two plates, two feet alternately without force, which provides a possibility to ride a bicycle
  • the seat yaw 45 is rotated clockwise or counterclockwise with the seat shaft pin 95 as a fulcrum, and the pedal pin 84 is pulled by the balance bar 42 together with the single double sprocket 80 to support the central axis 88 of the bracket.
  • the fulcrum makes an upward rotation; the occupant gravity acts on the pedal shaft pin 84 by a single foot, and the driving pedal shaft pin 84 and the single double sprocket 80 are rotated downward with the bracket center shaft 88 as a fulcrum, and the body is upright and squatted.
  • the pedal pin 84 is provided with an ankle crank surface 483 between the ankle shaft shoulder 481 and the ankle square shaft section 485, the inner hole of the connecting rod bore bushing 828 and the inner hole of the pull rod fork hole bushing 822 Both of them are rotatable and sliding with the outer circumference of the ankle cylinder face 483, and the riding is easy and smooth; there is a square hole retaining ring 484 between the step 483 of the pedal crank surface and the single double sprocket 80, which can effectively reduce the friction of the end face; An isolation sliding ring 438 is disposed between the rod boring bushing 828 and the tie rod fork bushing 822 to ensure that the end surface does not interfere;
  • the hand and foot of the present invention work together, the natural speed is fast, and the chain force is also increased.
  • the advantage of the single double sprocket 80 combined with the single double chain 23 and the bicycle rear wheel 20 having at least one side of the single double ratchet 21 is Specially enhanced chain model size, easy to use standard parts, and if you break the single-sided chain, you can still ride to the maintenance point or destination, not to push the car after the "chain" in the middle of the road, this point This is especially important for people with one-legged disabilities.

Abstract

一种万向节转向钛合手脚合力可单腿骑行自行车，包括自行车前轮（10）、前轮叉架（11）、自行车后轮（20）、支架主体（30）、座垫组件（50）、方向手把（70）、成对链轮（80）和后轮叉架（90），前叉转轴（13）上端与助力把立（76）下端之间由万向接头部件（77）连接，自行车后轮（20）两侧均有对称棘轮（21），支架中轴（88）两侧都固定有成对链轮（80），成对链轮（80）外侧对称设置有脚蹬轴销（84），成对链轮（80）与对称棘轮（21）之间有对称链条（23）相连；该自行车增设万向接头部件（77）、助力滑套（60）、助力摆杆（46）以及助力连杆（43），实现了双手参与做功；增设座椅横摆杆（45）和拉杆摆叉（42），克服了常规自行车两脚蹬板位置必须相差180度的限制，无须两只脚交替施力，可以单腿脚骑行。

Description

万向节转向钛合手脚合力可单腿骑行自行车 技术领域
本发明涉及自行车领域，国际专利分类为B62M，尤其是一种万向节转向钛合手脚合力可单腿骑行自行车。
背景技术
现有普通自行车大都是依靠双腿交替脚蹬来实现运动，左右双脚交替踩蹬还造成瞬态用力不平衡，双手只能做到把握方向和刹车以及协助身体平衡。双手根本无法助双腿一臂之力，单腿障碍人士根本无法胜任驾驭，就是健全人偶而一只腿脚受伤后也无法驾驭自行车。日常生活中的自行车的驱动装置都是回旋蹬踏式的，双脚交替踩蹬的机理如同曲柄连杆机构，产生上、下两个死点，因此无法连续做功，存在效率不高等缺点。当脚蹬杆与链轮中轴之间的位置关系垂直于地面时，左右脚向下蹬踏均不能产生驱动力，只有当脚蹬杆与链轮中轴之间的位置成水平关系时，才不做无用功。为此，有人设置了套扣式自行车脚蹬，让骑行者的脚在圆周任何位置都能紧贴着脚蹬板，如授权专利号：201020300738.7；套扣式自行车脚蹬有一个缺点是在发生车祸时人车难以分离。而且，骑行者的脚只有在圆周的下蹬位置时，才能对脚蹬板做出最大功效，除了下蹬位置外，骑行者的脚几乎无法对脚蹬板施力。还有人将圆形链轮设计为椭圆形，如授权专利号：201280041248.1，自行车的非对称椭圆形链轮，等等一切可谓是费尽心思改良自行车提高速度。为了让双手也能给双脚一臂之力，有人将残疾人的手摇机构用在自行车上，如美国专利US 9,056,653 B2的一种手足复合双棘轮的自行车Hand-foot compound bicycle with double ratchet，其手摇机构带来左右不平稳，以及仍然没能解决回旋蹬踏式自行车必然产生上、下两个死点的固有弊端。国内外自行车百年历史证明两点：一是低碳环保的自行车永远不会被淘汰；二是低碳环保的自行车肯定还可以有创造性改进。双手在助力的同时采用何种机构有效控制转向是双手助力自行车的技术瓶颈。
发明内容
本发明的目的在于提供万向节转向钛合手脚合力可单腿骑行自行车，通过创造性改进驱动力结构，巧妙地将手、脚用力协调一致，链轮圆周过程受到连续驱动，并且采用万向节转向组合助力滑套机构以解决上述背景技术中提出的问题，以实现提高骑行速度。
万向节转向钛合手脚合力可单腿骑行自行车，包括自行车前轮、前轮叉架、自行车后轮、支架主体、座垫组件、方向手把、单双链轮和后轮叉架，所述的支架主体上有支架前叉孔和支架中轴孔，支架中轴孔上可旋转固定着支架中轴；作 为改进：
所述的前叉转轴上端与助力把立下端之间由万向接头部件连接，自行车后轮至少一侧有单双棘轮，支架中轴至少一侧固定有单双链轮，单双链轮外侧对称设置有脚蹬轴销，单双链轮与单双棘轮之间有单双链条相连；所述的助力把立下端固定连接着万向接头上接头，前叉转轴上端固定连接着万向接头下接头，万向接头下接头与万向接头上接头之间活动固定着万向接头方块；
支架上梁上有摆杆穿槽和助力支撑孔座，助力摆杆上有摆杆中座孔和摆杆上孔圈以及摆杆下叉，摆杆下叉上有摆杆下座孔；摆杆上孔圈穿越摆杆穿槽，摆杆轴销穿越摆杆中座孔并将摆杆中座孔固定在所述的助力支撑孔座上；助力滑套上有滑套通孔和一对滑套摆座，滑套摆座上有滑套销孔，滑套销孔与摆杆上孔圈之间由滑套轴销铰接，滑套通孔与所述的助力把立之间为滑动配合；助力连杆前后两端分别有连杆助力孔和连杆脚蹬孔，摆杆下座孔与连杆助力孔之间由手驱轴销铰接，连杆脚蹬孔与脚蹬轴销之间为可旋转配合；
支架后柱上端有后柱椅座孔，拉杆摆叉上下两端别有拉杆下叉孔和拉杆上座孔，座椅横摆杆上有座椅滑轨、滑轨销孔和座椅摆叉，座椅摆叉上有座叉销孔；后柱椅座孔与座杆销孔之间由座椅轴销铰接；座叉销孔与拉杆上座孔之间由拉杆轴销铰接，拉杆下叉孔与脚蹬轴销之间为可旋转配合；
座椅横摆杆后端可调节固定着所述的座垫组件。
作为进一步改进：所述的座垫组件还包括座椅滑槽和滑槽销孔以及重力座椅，重力座椅后端有座椅靠背，重力座椅与座椅靠背之间的夹角为115～135度钝角；座椅滑槽与座椅滑轨之间为滑动配合，滑槽销孔与滑轨销孔之间可选择对准，滑槽销孔与滑轨销孔之间由槽轨轴销固定连接。
作为进一步改进：所述的前轮叉架包括前叉孔座和前叉转轴，所述的方向手把两侧分别固定有前刹车把和后刹车把，所述的方向手把下端有助力把立；所述的前刹车把通过前刹软线连接到前刹车闸，前刹车闸固定在所述的前轮叉架上；所述的后刹车把通过后刹软线连接到后刹车闸，后刹车闸固定在所述的后轮叉架上。
作为进一步改进：所述的万向接头部件由万向接头上接头和万向接头下接头以及万向接头方块所组成，万向接头方块上有横向轴销和纵向轴销，接头上销将万向接头上接头固定在助力把立下端，万向接头上接头上有接头上叉口，接头上叉口上有接头上销孔，接头上销孔与横向轴销之间为可摆转固定；接头下销将万向接头下接头固定在前叉转轴上端，万向接头下接头上有接头下叉口，接头下叉口上有接头下销孔，接头下销孔与纵向轴销之间为可摆转固定。
作为进一步改进：支架中轴两侧对称设置有中轴卡槽，中轴卡槽外侧有中轴 方柱，两侧的中轴方柱外端均有中轴螺柱，轴用内卡环位于中轴卡槽之中限制支架中轴孔与支架中轴之间轴向位移；所述的单双链轮上有链轮中心方孔和链轮蹬轴方孔，链轮蹬轴方孔上固定配合着脚蹬轴销；链轮中心方孔与中轴方柱相配合，中轴螺母与中轴螺柱紧固配合，中轴螺母挡住单双链轮；
所述的脚蹬轴销上有脚蹬轴挡肩，脚蹬轴挡肩外侧端面有踏板固定螺孔，踏板固定螺孔上有配合有踏板固定螺钉；踏板固定螺钉与踏板固定螺孔紧固配合将脚蹬踏板固定在脚蹬轴销上；脚蹬轴挡肩内侧依次有脚蹬曲轴面、脚蹬方轴段和脚蹬轴螺柱；连杆脚蹬孔上有连杆蹬孔衬套，连杆蹬孔衬套内孔与脚蹬曲轴面外圆之间为可旋转滑动配合；拉杆下叉孔上有拉杆叉孔衬套，拉杆叉孔衬套内孔与脚蹬曲轴面外圆之间为可旋转滑动配合；隔离滑圈位于连杆蹬孔衬套与拉杆叉孔衬套之间，用于消除端面干涉；脚蹬曲轴面台阶与单双链轮之间有方孔挡圈，用于减少端面摩擦；链轮蹬轴方孔套在脚蹬方轴段上，脚蹬轴螺柱上配合有脚蹬螺母，脚蹬螺母与脚蹬轴螺柱紧固配合，将单双链轮固定在脚蹬方轴段上。
作为进一步改进：所述的脚蹬曲轴面外圆上有一层0.37～0.39毫米厚的钛合金硬质材料，该钛合金硬质材料由如下重量百分比的元素组成：钛:8.4～8.6％、铜:7.1～7.3％、镍:6.4～6.6％、钼:5.1～5.3％、钨：3.7～3.9％、铬:2.4～2.6％、碳：0.64～0.66％、锌:0.7～0.9％、铝:0.1～0.3％，余量为Fe及不可避免的杂质；所述杂质的重量百分比含量为：锰少于0.08％、硅少于0.005％、硫少于0.06％、磷少于0.04％，该钛合金硬质材料的表面洛氏硬度值为HRC64～66；
所述的隔离滑圈和方孔挡圈均整体采用铜基粉末冶金自润滑耐磨材料，包括下述组分，按质量百分比组成：镍：2.7～2.9％；石墨：2.4～2.6％；二硫化钼：2.1～2.3％，余量为铜；所述镍的粒度为140～160目，石墨的粒度为70～80目，二硫化钼为胶粒粉剂，纯度为96％～98％，铜的粒度为140～160目；所述的隔离滑圈和方孔挡圈压坯的压制压力为260～280MPa。
本发明的有益效果是：
(一)、前叉转轴上端与助力把立下端之间由万向接头部件，结合助力滑套上有滑套通孔与所述的助力把立之间为滑动配合，可以驱使助力摆杆连同摆杆下叉以摆杆轴销为支点做顺时针或逆时针摆转，通过助力连杆驱使脚蹬轴销连同单双链轮以支架中轴为支点做旋转，在常规自行车的“高位死点”和“低位死点”发挥创造性作用；设置万向接头部件可实现骑车者双手握住方向手把在做前推或后拉运动的同时，不会妨碍随时改变前轮左右转向；特别是采用身体重力作用于座垫组件，使得座椅横摆杆连同座垫组件以座椅轴销为支点做逆时针摆转，继而带动拉杆摆叉做出“上提”动作，动脚蹬轴销连同单双链轮以支架中轴为支点做逆时针旋转；本发明增设万向接头部件、助力滑套、助力摆杆以及助力连杆，实 现了双手参与做功；本发明增设座椅横摆杆和拉杆摆叉，克服了常规自行车两脚蹬板位置必须相差180度的限制，无须两只脚交替施力，可以单腿脚骑行；
(二)、座椅横摆杆以座椅轴销为支点做顺时针或逆时针摆转，通过拉杆摆叉拉动脚蹬轴销连同单双链轮以支架中轴为支点做上行旋转；结合骑车者重力通过单脚作用在脚蹬轴销上，驱动脚蹬轴销连同单双链轮以支架中轴为支点做下行旋转，身体直立和下蹲重力与双手推力和拉力的顺畅交接，合力给予了脚蹬轴销驱动单双链轮旋转，不但实现了提高骑行速度的目的，两侧的脚蹬轴销位于同一轴心线上，还彻底消除传统自行车因左右脚交替用力所导致的左右晃动；且单腿直立与臀部下蹲交替进行，结合双手推力和拉力的完美组合，还达到了锻炼腹肌和全身运动的健身效果；
(三)、脚蹬轴销在脚蹬轴挡肩与脚蹬方轴段之间设置脚蹬曲轴面，连杆蹬孔衬套内孔和拉杆叉孔衬套内孔均与脚蹬曲轴面外圆之间为可旋转滑动配合，骑行轻松顺畅；脚蹬曲轴面台阶与单双链轮之间有方孔挡圈，可有效减少端面摩擦；连杆蹬孔衬套与拉杆叉孔衬套之间设置隔离滑圈，确保端面不干涉；
(四)、滑槽销孔与滑轨销孔之间可选择对准，由槽轨轴销固定连接，实现了座垫组件在座椅横摆杆上可以前后移动调节固定，以适合不同手臂长短人群骑行；
(五)、脚蹬曲轴面外圆上有一层钛合金硬质材料，确保脚蹬曲轴面更加耐磨损；隔离滑圈和方孔挡圈均整体采用铜基粉末冶金自润滑耐磨材料，可有效减少端面摩擦；骑行更加轻快；
(六)、本发明手脚合力做功大，自然车速快，链条受力也随之增大，单双链轮结合单双链条以及自行车后轮至少一侧有单双棘轮的好处是特别增强链条型号尺寸，便于标准件选用，且万一断了单侧链条，仍然可以坚持骑行到维修点或目的地，不至于在半路上“掉链子”后要推着车走，这点对于单腿障碍人士尤其特别重要。
附图说明
图1为本发明的立体外观图，图中脚蹬轴销84位于运动圆周最高处。
图2为图1中的单双链轮80旋转45度后状态立体图。
图3为图1中的单双链轮80旋转90度后状态立体图。
图4为图1中的单双链轮80旋转135度后状态立体图。
图5为图1中的单双链轮80旋转180度后状态立体图。
图6为图1中的单双链轮80旋转225度后状态立体图。
图7为图1中的单双链轮80旋转270度后状态立体图。
图8为图1中的单双链轮80旋转315度后状态立体图。
图9为图1中的方向手把70单独立体图。
图10为万向接头方块12单独立体图。
图11为前轮叉架11单独立体图。
图12为图1中的助力滑套60剖面图。
图13为图12中的K向视图。
图14为图1中的支架主体30与后轮叉架90连接状态立体图。
图15为图14中的支架主体30单独立体图。
图16为图14中的后轮叉架90单独立体图。
图17为图1中的助力摆杆46单独立体图。
图18为图1中的助力连杆43单独立体图。
图19为图1中的拉杆摆叉42单独立体图。
图20为图1中的单双链轮80连接着脚蹬轴销84和支架中轴88组合立体图。
图21为图20中的沿着脚蹬轴销84轴心线和支架中轴88轴心线的剖面图。
图22为图21中的脚蹬轴销84与单双链轮80连接部位放大图。
图23为图1中的座椅横摆杆45单独立体图。
图24为图1中的座垫组件50单独立体图。
图25为脚蹬轴销84在单双链轮80上的四个不同作用力分区示意图。
具体实施方式
万向节转向钛合手脚合力可单腿骑行自行车，包括自行车前轮10、前轮叉架11、自行车后轮20、支架主体30、座垫组件50、方向手把70、单双链轮80和后轮叉架90，前轮叉架11包括前叉孔座16和前叉转轴13，方向手把70两侧分别固定有前刹车把72和后刹车把73，方向手把70下端有助力把立76；前刹车把72通过前刹软线连接到前刹车闸15，前刹车闸15固定在所述的前轮叉架11上；后刹车把73通过后刹软线连接到后刹车闸25，后刹车闸25固定在所述的后轮叉架90上；所述的支架主体30包括支架上梁38和支架下梁37以及支架斜柱29，支架斜柱29与支架上梁38一起固定着支架后柱91，支架主体30还连着后轮叉架90，支架上梁38与支架下梁37之间有支架前叉孔31，支架下梁37与支架斜柱29之间有支架中轴孔33，支架中轴孔33上可旋转固定着支架中轴88；作为改进：
所述的前叉转轴13上端与助力把立76下端之间由万向接头部件77连接，自行车后轮20至少一侧有单双棘轮21，支架中轴88至少一侧固定有单双链轮80，单双链轮80外侧对称设置有脚蹬轴销84，单双链轮80与单双棘轮21之间有单双链条23相连；
助力把立76下端固定连接着万向接头上接头71，前叉转轴13上端固定连 接着万向接头下接头17，万向接头下接头17与万向接头上接头71之间活动固定着万向接头方块12；
所述的支架上梁38上有摆杆穿槽36和助力支撑孔座34，助力摆杆46上有摆杆中座孔66和摆杆上孔圈65以及摆杆下叉41，摆杆下叉41上有摆杆下座孔68；摆杆上孔圈65穿越摆杆穿槽36，摆杆轴销44穿越摆杆中座孔66并将摆杆中座孔66固定在所述的助力支撑孔座34上；
助力滑套60上有滑套通孔67和一对滑套摆座62，滑套摆座62上有滑套销孔63，滑套销孔63与摆杆上孔圈65之间由滑套轴销64铰接，滑套通孔67与所述的助力把立76之间为滑动配合；
助力连杆43前后两端分别有连杆助力孔27和连杆脚蹬孔28，摆杆下座孔68与连杆助力孔27之间由手驱轴销40铰接，连杆脚蹬孔28与脚蹬轴销84之间为可旋转配合；
所述的支架后柱91上端有后柱椅座孔35，拉杆摆叉42上下两端别有拉杆下叉孔22和拉杆上座孔24，座椅横摆杆45上有座椅滑轨57、滑轨销孔56和座椅摆叉52，座椅摆叉52上有座叉销孔51；后柱椅座孔35与座杆销孔54之间由座椅轴销95铰接；座叉销孔51与拉杆上座孔24之间由拉杆轴销47铰接，拉杆下叉孔22与脚蹬轴销84之间为可旋转配合；
座椅横摆杆45后端可调节固定着所述的座垫组件50。
作为进一步改进：所述的座垫组件50还包括座椅滑槽58和滑槽销孔53以及重力座椅69，重力座椅69后端有座椅靠背59，重力座椅69与座椅靠背59之间的夹角为115度至135度钝角；座椅滑槽58与座椅滑轨57之间为滑动配合，滑槽销孔53与滑轨销孔56之间可选择对准，滑槽销孔53与滑轨销孔56之间由槽轨轴销55固定连接。
作为进一步改进：所述的支架斜柱29上有支架后孔座39，所述的支架后柱91下端有弹簧上座孔32；所述的后轮叉架90上有一对后轮座孔92和弹簧下座孔96以及一对后叉摆臂93，后叉摆臂93上有后叉臂孔94，后叉臂孔94与支架后孔座39之间由所述的后叉架轴销99可摆转连接，弹簧上座孔32与弹簧下座孔96之间固定着弹簧缓冲器49。
作为进一步改进：所述的万向接头部件77由万向接头上接头71和万向接头下接头17以及万向接头方块12所组成，万向接头方块12上有横向轴销87和纵向轴销81，接头上销75将万向接头上接头71固定在助力把立76下端，万向接头上接头71上有接头上叉口79，接头上叉口79上有接头上销孔78，接头上销孔78与横向轴销87之间为可摆转固定；接头下销14将万向接头下接头17固定在前叉转轴13上端，万向接头下接头17上有接头下叉口19，接头下叉口19上 有接头下销孔18，接头下销孔18与纵向轴销81之间为可摆转固定。
作为进一步改进：支架中轴88两侧对称设置有中轴卡槽26，中轴卡槽26外侧有中轴方柱82，两侧的中轴方柱82外端均有中轴螺柱86，轴用内卡环61位于中轴卡槽26之中限制支架中轴孔33与支架中轴88之间轴向位移；
所述的单双链轮80上有链轮中心方孔83和链轮蹬轴方孔85，链轮蹬轴方孔85上固定配合着脚蹬轴销84；链轮中心方孔83与中轴方柱82相配合，中轴螺母89与中轴螺柱86紧固配合，中轴螺母89挡住单双链轮80；
所述的脚蹬轴销84上有脚蹬轴挡肩481，脚蹬轴挡肩481外侧端面有踏板固定螺孔482，踏板固定螺孔482上有配合有踏板固定螺钉428；踏板固定螺钉428与踏板固定螺孔482紧固配合将脚蹬踏板48固定在脚蹬轴销84上；脚蹬轴挡肩481内侧依次有脚蹬曲轴面483、脚蹬方轴段485和脚蹬轴螺柱486；连杆脚蹬孔28上有连杆蹬孔衬套828，连杆蹬孔衬套828内孔与脚蹬曲轴面483外圆之间为可旋转滑动配合；拉杆下叉孔22上有拉杆叉孔衬套822，拉杆叉孔衬套822内孔与脚蹬曲轴面483外圆之间为可旋转滑动配合；隔离滑圈438位于连杆蹬孔衬套828与拉杆叉孔衬套822之间，用于消除端面干涉；脚蹬曲轴面483台阶与单双链轮80之间有方孔挡圈484，用于减少端面摩擦；链轮蹬轴方孔85套在脚蹬方轴段485上，脚蹬轴螺柱486上配合有脚蹬螺母468，脚蹬螺母468与脚蹬轴螺柱486紧固配合，将单双链轮80固定在脚蹬方轴段485上。
作为进一步改进：所述的脚蹬曲轴面483外圆上有一层0.38毫米厚的钛合金硬质材料，该钛合金硬质材料由如下重量百分比的元素组成：钛:8.5％、铜:7.2％、镍:6.5％、钼:5.2％、钨：3.8％、铬:2.5％、碳：0.65％、锌:0.8％、铝:0.2％，余量为Fe及不可避免的杂质；所述杂质的重量百分比含量为：锰：0.05％、硅：0.02％、硫：0.02％、磷：0.01％，该钛合金硬质材料的表面洛氏硬度值为HRC65；
所述的隔离滑圈438和方孔挡圈484均整体采用铜基粉末冶金自润滑耐磨材料，包括下述组分，按质量百分比组成：镍：2.8％；石墨：2.5％；二硫化钼：2.2％，余量为铜；所述镍的粒度为150目，石墨的粒度为75目，二硫化钼为胶粒粉剂，纯度为97％，铜的粒度为150目；所述的隔离滑圈438和方孔挡圈484压坯的压制压力为270MPa。
实施例中，连杆蹬孔衬套828和拉杆叉孔衬套822均整体采用自润滑轴承,助力把立76与方向手把70为整体结构，方向手把70上固定安装有前刹车把72和后刹车把73；自行车前轮10固定在前叉孔座16之中，前刹车闸15被固定在前轮叉架11前方，前刹车闸15与前刹车把72之间由刹车软管线连接；自行车后轮20固定在后轮座孔92之中，后刹车闸25被固定在后轮叉架90下面，后刹车闸25与后刹车把73之间由后刹车软管线连接；万向接头上接头71和万向接 头下接头17以及万向接头方块12为整体购置，自行车后轮20至少一侧有单双棘轮21，且两只单双棘轮21旋转方向一致，两侧的单双棘轮21预先固定在自行车后轮20的花鼓两侧。
组装步骤分为各部件分别组装和部件之间拼接组装：
一、各部件分别组装如下：
(一)、前叉转轴13穿越滑套通孔67，接头下销14将万向接头下接头17固定连接在前叉转轴13上端头；助力把立76穿越支架前叉孔31，接头上销75将万向接头上接头71固定连接在助力把立76下端头；
(二)、将助力摆杆46上的摆杆上孔圈65由下向上穿过摆杆穿槽36，摆杆中座孔66与助力支撑孔座34对准，摆杆轴销44穿越助力支撑孔座34和摆杆中座孔66，将摆杆中座孔66可摆转固定在助力支撑孔座34上；将摆杆上孔圈65放置在一对滑套摆座62中间，且摆杆上孔圈65与滑套销孔63对准，滑套轴销64穿越摆杆上孔圈65和滑套销孔63，将摆杆上孔圈65与滑套销孔63之间可摆转固定连接；将助力连杆43上的连杆助力孔27与摆杆下座孔68对准，手驱轴销40依次穿越连杆助力孔27和摆杆下座孔68，将连杆助力孔27与摆杆下座孔68之间可摆转连接固定；
(三)、座杆销孔54与后柱椅座孔35对准，座椅轴销95穿越座杆销孔54和后柱椅座孔35，将座椅横摆杆45可摆转固定在支架后柱91；将拉杆上座孔24放置在一对座椅摆叉52中间，且拉杆上座孔24与座叉销孔51对准，拉杆轴销47穿越拉杆上座孔24和座叉销孔51，将拉杆上座孔24与座叉销孔51之间可摆转固定连接；根据骑车者身材和习惯，选择滑槽销孔53与滑轨销孔56之间在合适位置对准，滑槽销孔53与滑轨销孔56之间由槽轨轴销55固定连接；
(四)、将支架中轴88放入支架中轴孔33中，用卡簧专用钳将两个轴用内卡环61分别放入两侧的中轴卡槽26之中，限制支架中轴88在支架中轴孔33内的轴向位移；分别将两只单双链轮80上的链轮中心方孔83挤压装到两侧的中轴方柱82上，让两侧的链轮蹬轴方孔85位于同一轴心线上，中轴螺母89与中轴螺柱86紧固配合，将单双链轮80固定在支架中轴88上；
(五)、将两根单双链条23预先搁置在单双链轮80上，一侧脚蹬轴销84上的脚蹬曲轴面483依次穿越连杆蹬孔衬套828内孔和隔离滑圈438内孔以及拉杆叉孔衬套822内孔，将方孔挡圈484上的方孔套在脚蹬方轴段485上，脚蹬方轴段485挤压进入到链轮蹬轴方孔85内，脚蹬螺母468与脚蹬轴螺柱486紧固配合，将脚蹬曲轴面483台阶带着方孔挡圈484贴紧在单双链轮80上；将脚蹬踏板48内孔套入脚蹬轴销84上，踏板固定螺钉428与踏板固定螺孔482紧固配合将脚蹬踏板48可旋转固定在脚蹬轴销84上；同理，另一侧的脚蹬轴销84与 单双链轮80固定连接方式同上；
(六)、将后叉臂孔94与支架后孔座39对准，后叉架轴销99穿越后叉臂孔94和支架后孔座39，将后叉臂孔94可摆转固定在支架后孔座39上，缓冲器上轴销将弹簧缓冲器49上端可摆转固定在弹簧上座孔32上，缓冲器下轴销将弹簧缓冲器49下端可摆转固定在弹簧下座孔96上；将单双链条23分别安置在单双棘轮21和单双链轮80上，完毕。
骑行特点：
(一)、图1中，当脚蹬轴销84处于运动圆周的最高位置时，位于图25中的A区，遇到常规自行车的“高位死点”，骑车者无论是用哪只单脚位于脚蹬轴销84上，都无法驱使单双链轮80旋转做功；与此同时，完全凭借骑车者双手握住方向手把70做后拉运动，驱动助力把立76以万向接头部件77为支点做顺时针摆转；动点滑套轴销64以摆杆轴销44为支点做顺时针摆转，动点手驱轴销40同样以摆杆轴销44为支点做顺时针摆转，通过助力连杆43可以高效拉动脚蹬轴销84连同单双链轮80以支架中轴88为支点做逆时针旋转，由单双链条23带动单双棘轮21连同自行车后轮20向前滚动，驱使整车带人一起前行；
动点拉杆轴销47被拉杆摆叉42带动，以座椅轴销95为支点做逆时针摆转，座椅横摆杆45连同座垫组件50也以座椅轴销95为支点做逆时针摆转，给了骑车者下一个起身动作有力助推；
(二)、图2中，当脚蹬轴销84处于运动圆周的前方偏上位置时，位于图25中的A区与B区交界附近，骑车者凭借双手拉力结合座垫组件50助推，已经将身体重力通过单脚作用在脚蹬轴销84，借助于座椅靠背59反作用力，
骑车者单腿在向下做功的同时还有一个向前分力，更好驱动脚蹬轴销84连同单双链轮80以支架中轴88为支点做逆时针旋转；同时，骑车者双手握住方向手把70还在做后拉运动，动点滑套轴销64以摆杆轴销44为支点做顺时针摆转，动点手驱轴销40同样以摆杆轴销44为支点做顺时针摆转，通过助力连杆43合力驱使脚蹬轴销84连同单双链轮80以支架中轴88为支点做逆时针旋转，由单双链条23带动单双棘轮21连同自行车后轮20向前滚动，驱使整车带人一起前行，实现由双手做功转为身体重力做功的顺畅交接；
动点拉杆轴销47继续被拉杆摆叉42带动，以座椅轴销95为支点做逆时针摆转，座椅横摆杆45连同座垫组件50也以座椅轴销95为支点做逆时针摆转；
(三)、图3中，当脚蹬轴销84处于运动圆周的最前方位置时，位于图25中的B区，助力连杆43也遇到“曲柄连杆机构”的“前端死点”；双手握住方向手把70通过助力连杆43对脚蹬轴销84上的作用力，无法驱使单双链轮80旋转做功；与此同时，自上向下的骑车者重力通过单脚作用在脚蹬轴销84上效 率最高，驱动脚蹬轴销84连同单双链轮80以支架中轴88为支点做逆时针旋转，由单双链条23带动单双棘轮21连同自行车后轮20向前滚动，驱使整车带人一起前行；动点滑套轴销64以摆杆轴销44为支点，处于由顺时针摆转改变为逆时针摆转的拐点；动点手驱轴销40同样以摆杆轴销44为支点，处于由顺时针摆转改变为逆时针摆转的拐点；
动点拉杆轴销47继续被拉杆摆叉42带动，以座椅轴销95为支点做逆时针摆转，座椅横摆杆45连同座垫组件50也以座椅轴销95为支点做逆时针摆转；
(四)、图4中，当脚蹬轴销84处于运动圆周的前方偏下位置时，位于图25中的B区与C区交界处附近，骑车者重力通过放置在脚蹬轴销84上的单脚，还在继续驱动脚蹬轴销84连同单双链轮80以支架中轴88为支点做逆时针旋转，同时，骑车者双手转而握住方向手把70开始做前推运动，驱动助力把立76以万向接头部件77为支点做逆时针摆转；动点滑套轴销64以摆杆轴销44为支点做逆时针摆转，动点手驱轴销40同样以摆杆轴销44为支点做逆时针摆转，通过助力连杆43合力驱使脚蹬轴销84连同单双链轮80以支架中轴88为支点做逆时针旋转，由单双链条23带动单双棘轮21连同自行车后轮20向前滚动，驱使整车带人一起前行，实现由身体重力做功转为双手做功的顺畅交接；
动点拉杆轴销47继续被拉杆摆叉42带动，以座椅轴销95为支点做逆时针摆转，座椅横摆杆45连同座垫组件50也以座椅轴销95为支点做逆时针摆转；
(五)、图5中，当脚蹬轴销84处于运动圆周的最低位置时，位于图25中的C区，遇到常规自行车的“低位死点”，骑车者无论是用哪只单脚位于脚蹬轴销84上，都无法驱使单双链轮80旋转做功；与此同时，完全凭借骑车者双手握住方向手把70继续做前推运动，动点滑套轴销64以摆杆轴销44为支点做逆时针摆转，动点手驱轴销40同样以摆杆轴销44为支点做逆时针摆转，通过助力连杆43可以高效推动脚蹬轴销84连同单双链轮80以支架中轴88为支点做逆时针旋转，由单双链条23带动单双棘轮21连同自行车后轮20向前滚动，驱使整车带人一起前行；
动点拉杆轴销47处于由逆时针摆转改变为顺时针摆转的拐点；座椅横摆杆45连同座垫组件50也处于由逆时针摆转改变为顺时针摆转的拐点，便于骑车者接下来的下坐动作；
(六)、图6中，当脚蹬轴销84处于运动圆周的后方偏下位置时，位于图25中的C区与D区交界附近，骑车者凭借双手推力结合上身重力下座在座垫组件50上，借助于座椅靠背59使得身体重力臂产生更大顺时针扭矩，驱动座椅横摆杆45以座椅轴销95为支点做顺时针摆转；通过拉杆摆叉42开始“上提”拉动脚蹬轴销84连同单双链轮80以支架中轴88为支点做逆时针旋转；同时，骑 车者双手继续握住方向手把70还在做前推运动，动点滑套轴销64以摆杆轴销44为支点做逆时针摆转，动点手驱轴销40同样以摆杆轴销44为支点做逆时针摆转，通过助力连杆43合力驱使脚蹬轴销84连同单双链轮80以支架中轴88为支点做逆时针旋转，由单双链条23带动单双棘轮21连同自行车后轮20向前滚动，驱使整车带人一起前行，实现由双手做功转为上身重力做功的顺畅交接；
(七)、图7中，当脚蹬轴销84处于运动圆周的最后方位置时，位于图25中的D区，助力连杆43也遇到“曲柄连杆机构”的“后端死点”；双手握住方向手把70通过助力连杆43对脚蹬轴销84上的作用力，无法驱使单双链轮80旋转做功；与此同时，骑车者上身重力作用在座垫组件50上，驱动座椅横摆杆45以座椅轴销95为支点做顺时针摆转；通过拉杆摆叉42高效拉动脚蹬轴销84连同单双链轮80以支架中轴88为支点做逆时针旋转；由单双链条23带动单双棘轮21连同自行车后轮20向前滚动，驱使整车带人一起前行；
动点滑套轴销64以摆杆轴销44为支点，处于由逆时针摆转改变为顺时针摆转的拐点；动点手驱轴销40同样以摆杆轴销44为支点，处于由逆时针摆转改变为顺时针摆转的拐点；
(八)、图8中，当脚蹬轴销84处于运动圆周的后方偏上位置时，位于图25中的D区与A区交界处附近，骑车者上身重力还作用在座垫组件50上，继续驱动座椅横摆杆45以座椅轴销95为支点做顺时针摆转；通过拉杆摆叉42继续拉动脚蹬轴销84连同单双链轮80以支架中轴88为支点做逆时针旋转；同时，骑车者双手转而握住方向手把70开始做后拉运动，动点滑套轴销64以摆杆轴销44为支点做顺时针摆转，动点手驱轴销40同样以摆杆轴销44为支点做顺时针摆转，通过助力连杆43开始合力驱使脚蹬轴销84连同单双链轮80以支架中轴88为支点做逆时针旋转，由单双链条23带动单双棘轮21连同自行车后轮20向前滚动，驱使整车带人一起前行，实现由身体重力做功转为双手做功的顺畅交接；最终实现脚蹬轴销84的运动圆周任何位置都能高效驱动单双链轮80旋转。
(九)、当骑行过程中需要转弯时，双手把握方向手把70扭转驱使助力把立为中心旋转，通过万向接头部件77驱使前叉转轴13在支架前叉孔31内做摆转运动，继而前轮叉架11带动自行车前轮10作摆转，实现骑行转弯目的。由于滑套通孔67与所述的助力把立76之间为滑动配合，助力把立76做扭转时不会带动助力滑套60摆转；而且，当助力把立76做前后摆转时，动助力滑套60可以相对于助力把立76做轴向移动，动助力滑套60是以滑套轴销64为中心作上下摆转的同时还随着助力摆杆46以摆杆轴销44为中心做前后摆转。
骑行者充分发挥人体全身力量，骑车时身体在直立与下蹲之间交替达到全身运动；同时，双手交替推、拉助力消除了常规自行车的“低位死点”和“高位 死点”，双手交替推拉助力结合直立、坐姿交替全身运动，实现了无死点运动连续做功效果，达到高效快速骑行的目的。
本发明上述突出的实质性特点，带来如下显著的进步效果：
(一)、前叉转轴13上端与助力把立76下端之间由万向接头部件77，结合助力滑套60上有滑套通孔67与所述的助力把立76之间为滑动配合，可以驱使助力摆杆46连同摆杆下叉41以摆杆轴销44为支点做顺时针或逆时针摆转，通过助力连杆43驱使脚蹬轴销84连同单双链轮80以支架中轴88为支点做旋转，在常规自行车的“高位死点”和“低位死点”发挥创造性作用；设置万向接头部件77可实现骑车者双手握住方向手把70在做前推或后拉运动的同时，不会妨碍随时改变前轮左右转向，实现了双手参与做功；特别是采用身体重力作用于座垫组件50，使得座椅横摆杆45连同座垫组件50以座椅轴销95为支点做逆时针摆转，继而带动拉杆摆叉42做出“上提”动作，动脚蹬轴销84连同单双链轮80以支架中轴88为支点做逆时针旋转；克服了常规自行车两脚蹬板位置必须相差180度，必须有第二只脚下踩来弥补第一只脚无法施力上提两脚蹬板的缺陷，无须两只脚交替施力，这就为单腿人士提供了一种骑行自行车的可能；
(二)、座椅横摆杆45以座椅轴销95为支点做顺时针或逆时针摆转，通过拉杆摆叉42拉动脚蹬轴销84连同单双链轮80以支架中轴88为支点做上行旋转；结合骑车者重力通过单脚作用在脚蹬轴销84上，驱动脚蹬轴销84连同单双链轮80以支架中轴88为支点做下行旋转，身体直立和下蹲重力与双手推力和拉力的顺畅交接，合力给予了脚蹬轴销84驱动单双链轮80旋转，不但实现了提高骑行速度的目的，两侧的脚蹬轴销84位于同一轴心线上，还彻底消除传统自行车因左右脚交替用力所导致的左右晃动；且单腿直立与臀部下蹲交替进行，结合双手推力和拉力的完美组合，还达到了锻炼腹肌和全身运动的健身效果；
(三)、脚蹬轴销84在脚蹬轴挡肩481与脚蹬方轴段485之间设置脚蹬曲轴面483，连杆蹬孔衬套828内孔和拉杆叉孔衬套822内孔均与脚蹬曲轴面483外圆之间为可旋转滑动配合，骑行轻松顺畅；脚蹬曲轴面483台阶与单双链轮80之间有方孔挡圈484，可有效减少端面摩擦；连杆蹬孔衬套828与拉杆叉孔衬套822之间设置隔离滑圈438，确保端面不干涉；
(四)、滑槽销孔53与滑轨销孔56之间可选择对准，由槽轨轴销55固定连接，实现了座垫组件50在座椅横摆杆45上可以前后移动调节固定，以适合不同手臂长短人群骑行；
(五)、脚蹬曲轴面483外圆上有一层钛合金硬质材料，确保脚蹬曲轴面483更加耐磨损；隔离滑圈438和方孔挡圈484均整体采用铜基粉末冶金自润滑耐磨材料，可有效减少端面摩擦；骑行更加轻快；
(六)、本发明手脚合力做功大，自然车速快，链条受力也随之增大，单双链轮80结合单双链条23以及自行车后轮20至少一侧有单双棘轮21的好处是特别增强链条型号尺寸，便于标准件选用，且万一断了单侧链条，仍然可以坚持骑行到维修点或目的地，不至于在半路上“掉链子”后要推着车走，这点对于单腿障碍人士尤其特别重要。

Claims (6)

  1. 万向节转向钛合手脚合力可单腿骑行自行车，包括自行车前轮(10)、前轮叉架(11)、自行车后轮(20)、支架主体(30)、座垫组件(50)、方向手把(70)、单双链轮(80)和后轮叉架(90)，所述的支架主体(30)上有支架前叉孔(31)和支架中轴孔(33)，支架中轴孔(33)上可旋转固定着支架中轴(88)；其特征是：
    所述的前叉转轴(13)上端与助力把立(76)下端之间由万向接头部件(77)连接，自行车后轮(20)至少一侧有单双棘轮(21)，支架中轴(88)至少一侧固定有成对链轮(80)，单双链轮(80)外侧对称设置有脚蹬轴销(84)，单双链轮(80)与单双棘轮(21)之间有单双链条(23)相连；所述的助力把立(76)下端固定连接着万向接头上接头(71)，前叉转轴(13)上端固定连接着万向接头下接头(17)，万向接头下接头(17)与万向接头上接头(71)之间活动固定着万向接头方块(12)；
    支架上梁(38)上有摆杆穿槽(36)和助力支撑孔座(34)，助力摆杆(46)上有摆杆中座孔(66)和摆杆上孔圈(65)以及摆杆下叉(41)，摆杆下叉(41)上有摆杆下座孔(68)；摆杆上孔圈(65)穿越摆杆穿槽(36)，摆杆轴销(44)穿越摆杆中座孔(66)并将摆杆中座孔(66)固定在所述的助力支撑孔座(34)上；助力滑套(60)上有滑套通孔(67)和一对滑套摆座(62)，滑套摆座(62)上有滑套销孔(63)，滑套销孔(63)与摆杆上孔圈(65)之间由滑套轴销(64)铰接，滑套通孔(67)与所述的助力把立(76)之间为滑动配合；助力连杆(43)前后两端分别有连杆助力孔(27)和连杆脚蹬孔(28)，摆杆下座孔(68)与连杆助力孔(27)之间由手驱轴销(40)铰接，连杆脚蹬孔(28)与脚蹬轴销(84)之间为可旋转配合；
    支架后柱(91)上端有后柱椅座孔(35)，拉杆摆叉(42)上下两端别有拉杆下叉孔(22)和拉杆上座孔(24)，座椅横摆杆(45)上有座椅滑轨(57)、滑轨销孔(56)和座椅摆叉(52)，座椅摆叉(52)上有座叉销孔(51)；后柱椅座孔(35)与座杆销孔(54)之间由座椅轴销(95)铰接；座叉销孔(51)与拉杆上座孔(24)之间由拉杆轴销(47)铰接，拉杆下叉孔(22)与脚蹬轴销(84)之间为可旋转配合；
    座椅横摆杆(45)后端可调节固定着所述的座垫组件(50)。
  2. 根据权利要求1所述的万向节转向钛合手脚合力可单腿骑行自行车，其特征是：
    所述的前轮叉架(11)包括前叉孔座(16)和前叉转轴(13)，所述的方向手把(70)两侧分别固定有前刹车把(72)和后刹车把(73)，所述的方向手把(70)下端有助力把立(76)；所述的前刹车把(72)通过前刹软线连接到前刹车闸(15)，前刹车闸(15)固定在所述的前轮叉架(11)上；所述的后刹车把(73)通过后刹软线连接到后刹车闸(25)，后刹车闸(25)固定在所述的后轮叉架(90)上。
  3. 根据权利要求1所述的万向节转向钛合手脚合力可单腿骑行自行车，其特征是：
    所述的座垫组件(50)还包括座椅滑槽(58)和滑槽销孔(53)以及重力座椅(69)，重力座椅(69)后端有座椅靠背(59)，重力座椅(69)与座椅靠背(59)之间的夹角为115～135度钝角；座椅滑槽(58)与座椅滑轨(57)之间为滑动配合，滑槽销孔(53)与滑轨销孔(56)之间可选择对准，滑槽销孔(53)与滑轨销孔(56)之间由槽轨轴销(55)固定连接。
  4. 根据权利要求1所述的万向节转向钛合手脚合力可单腿骑行自行车，其特征是：
    所述的万向接头部件(77)由万向接头上接头(71)和万向接头下接头(17)以及万向接头方块(12)所组成，万向接头方块(12)上有横向轴销(87)和纵向轴销(81)，接头上销(75)将万向接头上接头(71)固定在助力把立(76)下端，万向接头上接头(71)上有接头上叉口(79)，接头上叉口(79)上有接头上销孔(78)，接头上销孔(78)与横向轴销(87)之间为可摆转固定；接头下销(14)将万向接头下接头(17)固定在前叉转轴(13)上端，万向接头下接头(17)上有接头下叉口(19)，接头下叉口(19)上有接头下销孔(18)，接头下销孔(18)与纵向轴销(81)之间为可摆转固定。
  5. 根据权利要求1所述的万向节转向钛合手脚合力可单腿骑行自行车，其特征是：
    支架中轴(88)两侧对称设置有中轴卡槽(26)，中轴卡槽(26)外侧有中轴方柱(82)，两侧的中轴方柱(82)外端均有中轴螺柱(86)，轴用内卡环(61)位于中轴卡槽(26)之中限制支架中轴孔(33)与支架中轴(88)之间轴向位移；所述的单双链轮(80)上有链轮中心方孔(83)和链轮蹬轴方孔(85)，链轮蹬轴方孔(85)上固定配合着脚蹬轴销(84)；链轮中心方孔(83)与中轴方柱(82)相配合，中轴螺母(89)与中轴螺柱(86)紧固配合，中轴螺母(89)挡住单双链轮(80)；
    所述的脚蹬轴销(84)上有脚蹬轴挡肩(481)，脚蹬轴挡肩(481)外侧端面有踏板固定螺孔(482)，踏板固定螺孔(482)上有配合有踏板固定螺钉(428)；踏板固定螺钉(428)与踏板固定螺孔(482)紧固配合将脚蹬踏板(48)固定在脚蹬轴销(84)上；脚蹬轴挡肩(481)内侧依次有脚蹬曲轴面(483)、脚蹬方轴段(485)和脚蹬轴螺柱(486)；连杆脚蹬孔(28)上有连杆蹬孔衬套(828)，连杆蹬孔衬套(828)内孔与脚蹬曲轴面(483)外圆之间为可旋转滑动配合；拉杆下叉孔(22)上有拉杆叉孔衬套(822)，拉杆叉孔衬套(822)内孔与脚蹬曲轴面(483)外圆之间为可旋转滑动配合；隔离滑圈(438)位于连杆蹬孔衬套(828)与拉杆叉孔衬套(822)之间，用于消除端面干涉；脚蹬曲轴面(483)台阶与单双链轮(80)之间有方孔挡圈(484)，用于减少端面摩擦；链轮蹬轴方孔(85)套在脚蹬方轴段(485)上，脚蹬轴螺柱(486)上配合有脚蹬螺母(468)，脚蹬螺母(468)与脚蹬轴螺柱(486)紧固配 合，将单双链轮(80)固定在脚蹬方轴段(485)上。
  6. 根据权利要求1所述的万向节转向钛合手脚合力可单腿骑行自行车，其特征是：
    所述的脚蹬曲轴面(483)外圆上有一层0.37～0.39毫米厚的钛合金硬质材料，该钛合金硬质材料由如下重量百分比的元素组成：钛:8.4～8.6％、铜:7.1～7.3％、镍:6.4～6.6％、钼:5.1～5.3％、钨：3.7～3.9％、铬:2.4～2.6％、碳：0.64～0.66％、锌:0.7～0.9％、铝:0.1～0.3％，余量为Fe及不可避免的杂质；所述杂质的重量百分比含量为：锰少于0.08％、硅少于0.005％、硫少于0.06％、磷少于0.04％，该钛合金硬质材料的表面洛氏硬度值为HRC64～66；
    所述的隔离滑圈(438)和方孔挡圈(484)均整体采用铜基粉末冶金自润滑耐磨材料，包括下述组分，按质量百分比组成：镍：2.7～2.9％；石墨：2.4～2.6％；二硫化钼：2.1～2.3％，余量为铜；所述镍的粒度为140～160目，石墨的粒度为70～80目，二硫化钼为胶粒粉剂，纯度为96％～98％，铜的粒度为140～160目；所述的隔离滑圈(438)和方孔挡圈(484)压坯的压制压力为260～280MPa。
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US20200255085A1 (en) 2020-08-13
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EP3611087B1 (en) 2021-11-24
CN106864657A (zh) 2017-06-20
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