Portable pedal drive bicycle
Technical field:
The present invention relates to a kind of manpower transportation of Collapsible mobile, relate in particular to and a kind ofly can let the user step on the pedal drive car body up and down to advance, and then reach the effect that improves traffic efficiency, body-building and amusement with the mode of standing.
Background technology:
At present; Big and medium-sized cities solve the urban traffic blocking problem through development mass rapid transit network; But, abroad take to improve traffic efficiency by the mode of governmental investment lease bicycle in the bus station because the traffic network limited coverage area also needs conveniently traffic between passenger and the bus station; But owing to receive condition restriction such as place, investment, it is unsatisfactory to carry out effect.
For improving the portability of bicycle, multi-form folding bicycle occurred since the nearly more than ten years, comprised the super folding bicycles such as A-BIKE that occurred in recent years, but since the restriction of folding back size, weight still be difficult to carry; Bicycle is taked the crank drive pattern, and direction is different with the direction of pedal circular movement owing to scrunching downwards, has the unbalanced problem of transmission torsion, and promptly moment is minimum when pedal is in top dead point and bottom dead point, otherwise moment is maximum.Because the people drives onboard, be difficult to effectively utilize the gravity of human body self to increase propulsive effort in addition.
Summary of the invention:
The technical matters that emphasis of the present invention solves is to improve manpower transportation's portability, and is collapsible and put into knapsack and bring the city traffic vehicle with oneself into after use, can open after getting off and continue to use.The difference maximum with standard bicycle is that the user steps on pedal driving vehicle with the mode of standing and advances.
For solving the problems of the technologies described above, the present invention takes the integral structure and the folding mode of similar Kickboard Scooter, to reduce car body weight and volume after folding.Car body is provided with a steering front wheel and a driving trailing wheel; Its front-wheel is connected with a upright handlebar, and after the handlebar latching device of fixing two handlebar cross bars was unclamped, two handlebar cross bars can be pulled out from the handlebar fixed sleeving; Be snapped on the handlebar montant telescopic tube, to reduce width over sides of car body; The montant latching device that unclamps flexible montant can be inserted into the montant that stretches in the montant sleeve pipe, to reduce height of the carbody; On the handlebar steering column jacket, rigidly connect a folding pole; The other end is through the folding anchor shaft of handlebar and fixedly the vehicle frame of trailing wheel is hinged; Make its and vehicle frame be fixed into one near the middle part through the folding latching device of handlebar folding pole, can handlebar be folded to trailing wheel one side after unclamping the folding latching device of handlebar.
Parallel the standing on the pedal of user's both feet is equipped with bearing in the middle of the pedal, downwards when double-legged sole firmly scrunches; Drive pedal rear perk, when sole stopped to scrunch, the weight that the pedal rear can the person's of being used health pressed down and resets; Pedal drive has the driving rack of directed driven function; Driving rack drives transmission gear on the hind axle and drives trailing wheel and rotate, and then drives car body and move ahead, and user's body action amplitude is less, propulsive effort is balanced; When starting and upwards slope need bigger driving torsion, can with before and after the both feet separately, trample the front and rear of both sides pedal respectively, the increase owing to moment can significantly improve driving torsion.
The invention has the beneficial effects as follows: fold and store up rapidly, occupy little space, be convenient to carry, can be used as replenishing of urban transportation tool, improve traffic efficiency, also can be used as the amusement and recreation fitness tool simultaneously.
Description of drawings:
Fig. 1 is stereoscopic figure of the present invention;
Fig. 2 is the driving rack constructional drawing with directed transmission agency;
Fig. 3 is the up locking driving condition of a pedal plan view;
Fig. 4 is the descending locking driving condition of a pedal plan view;
Fig. 5 is the stereoscopic figure of demonstration method for folding;
Fig. 6 is the stereoscopic figure of folding back effect;
Fig. 7 is to use effect and driving principle plan view.
With reference to accompanying drawing, the label note is following:
1. handlebar cross bar 2. handlebar fixed covers 3. handlebar latching devices
4. flexible montant 6. montant latching devices of handlebar rim brake 5.
7. handlebar cross bar geometrical clamp 8. handlebar steering shaft sleeve pipes 9. front forks
10. front-wheel 11. folding pole 12. handlebars fold anchor shaft
13. the folding latching device 14. arcuate guide holes of handlebar 15. radial location shrinkage pools
16. vehicle frame 17. pedals 18. pedal supports
19. driving rack 20. pedal axis 21. slots
22. damping friction lining 23. annual springs 24. one-way locking axles
25. pilot hole 26. transmission teeth 27. transmission gears
28. hind axle 29. trailing wheels 30. trailing wheel drum type braking devices
Portable pedal drive bicycle of the present invention mainly comprises parts such as vehicle frame, handlebar, wheel.Its integral structure is as shown in Figure 1; It is provided with a steering front wheel 10 and a driving trailing wheel 29 on car body; Its front-wheel turns to being connected to control for the user through front fork 9 and vertical lathe always; Wherein, handlebar mainly partly is made up of two handlebar cross bars 1 and flexible montant 5 grades, and an end of two handlebar cross bars 1 is inserted in the handlebar fixed cover 2 of flexible montant 5 top axial openings; Can dwindle the diameter of handlebar fixed cover 2 through locking handlebar latching device 3,2 handlebar cross bars 1 and flexible montant 5 are locked to be integral; There is one section axially open on top at flexible montant sleeve pipe, and montant latching device 6 is installed, and can dwindle the diameter at montant telescopic tube top end opening position through locking montant latching device 6, and the montant 5 that will stretch is fixed into one with flexible montant sleeve pipe.
Rigidly connect a folding pole 11 on the handlebar steering shaft sleeve pipe 8, the other end of folding pole 11 is hinged on the vehicle frame 16 through the folding anchor shaft 12 of handlebar, and folding pole 11 can be rotated around the folding anchor shaft 12 of handlebar; Vehicle frame 16 is a fork-shaped near front-wheel one end; And two centers of circle are arranged is the arcuate guide hole 14 of the folding anchor shaft 12 of handlebar, at the two ends in each arcuate guide hole 14 1 radial location shrinkage pool 15 is arranged respectively, on folding pole 11 by the middle part; The folding latching device 13 of handlebar is installed in a vertical strip shape hole; When handlebar is in when opening with the folding position, at one end be fixed on the vehicle frame folding anchor shaft 12, the other end is fixed in the folding latching device 13 of handlebar on the fix shaft under the effect of extension spring; Fix shaft in the folding latching device 13 of handlebar can snap onto on the vehicle frame 16 in the radial location shrinkage pool 15; When latching device is in locked position, vehicle frame is inwardly clamped near front-wheel one end yoke shape position, can handlebar and vehicle frame 16 be fixed into one.
Rigidly connect pedal axis 20 at the middle part of vehicle frame 16, link together through bearing and pedal support 18, pedal support 18 can rotate around pedal axis 20 in certain angle; Pedal is hinged on the pedal support; Parallel to the ground when opening through the restriction of the member on pedal support pedal, and the vertical folding that can make progress, and under the effect of registration device; Do not having external force to do the time spent, it can remain on parallel and upright position.
As shown in Figure 2; Be set with driving rack 19 on the pedal axis 20 simultaneously; Connecting bridge at driving rack 19 and pedal axis 20 has a rectangular hole 21, two foreign side's arc damping friction linings 22 is installed in the hole, and through annual spring 23 two damping friction linings 22 is pressed on the pedal axis 20; Under the combined action of slot 21, damping friction lining 22, annual spring 23; Make driving rack 19 form certain rotary damping, radially leave the space between the slot of driving rack 19 and two damping friction linings 22 simultaneously, driving rack 19 can be prolonged radially slide within the specific limits.Both sides have two row's transmission teeth 26 respectively in the arcuate socket of driving rack 19 other ends; Can be respectively with hind axle 28 on the both sides of the transmission gear 27 that rigidly connects cooperate; When two the transmission teeth 26 on the driving rack 19 were in cooperation position with transmission gear 27, the center of circle of transmission teeth normal was the axle center of pedal axis 20.
Pilot hole 25 with certain leaning angle is arranged on driving rack 19, and other end of middle pivot joint rigidly connects the one-way locking axle 24 on pedal support 18, and is as shown in Figure 3; When pedal support 18 rotated near trailing wheel one side direction, under the force action of pilot hole 25 inclined-planes on the driving rack 19 and driving rack one end damping friction lining 22, driving rack 19 can slide to the front-wheel direction; The transmission teeth 26 of rear side in driving rack 19 arcuate sockets and transmission gear 27 on the hind axle are in cooperate, locking state; After the rotation torsion of pedal support 18 is greater than rotary damping, pedal support 18 will drive driving rack 19 and rotate, and the transmission teeth 26 that make it rear side are in mated condition with transmission gear 27 always; Give hind axle 28 with the transmission of power of pedal 17; And drive trailing wheel 29 rotations, as shown in Figure 4, when pedal 17 backward rotation; Driving rack 19 will slide to the trailing wheel direction; The teeth of front side are cooperated with the opposite side of transmission gear 27, continue to drive trailing wheel and rotate, make car body produce propulsive effort forward to same direction.
Its method for folding is as shown in Figure 5; During Foldable handlebar cross bar 1, unclamp handlebar latching device 3, by direction shown in arrow C, the D by direction shown in the arrow E; Two handlebar cross bars 1 are pulled out from handlebar fixed cover 2, be buckled in the handlebar cross bar geometrical clamp 7 that rigidly connects on handlebar montant telescopic tube; When the contraction handlebar stretches montant 5, handlebar montant latching device 6 is unclamped by direction shown in the arrow A, the montant 5 that will stretch is inserted in the montant telescopic tube by direction shown in the arrow B; During Foldable handlebar, unclamp the folding latching device 13 of handlebar, press direction shown in the arrow F; The folding latching device 13 of handlebar is pulled out from radial location shrinkage pool 15,, make the folding pole 11 of handlebar drive handlebar and rotate around the folding anchor shaft 12 of handlebar by direction shown in the arrow G; When arriving 14 tops, arcuate guide hole; The folding latching device 13 of handlebar is under the effect of extension spring, and its fix shaft snaps onto in the radial location shrinkage pool 15, makes handlebar keep the folding position; During Foldable pedal 17, press direction shown in the arrow H, pedal 17 is rotated up position perpendicular to the ground.Folding back effect is as shown in Figure 6.
As shown in Figure 7, the user when powered vehicle, both feet parallel standing on the pedal; When double-legged sole firmly scrunched downwards, under the effect of user's health gravity, pedal can direction rotate shown in arrow K2; When double-legged sole stops to exert oneself downwards; The gravity of user's health can drive pedal and reset by direction shown in the arrow K1, and the user alternately does this action, can powered vehicle advance.In starting or climbing, like the bigger driving torsion of needs, can both feet be diverged to before and after the direction shown in arrow J, both feet are trampled the front portion of a side pedal and the rear portion of opposite side pedal respectively, increase driving torque, to improve transmission torsion.
Drum type braking device 30 is installed on rear-wheel hub, rim brake 4 is installed on handlebar, when needs slowed down, through the rim brake pulling brake cable of holding with a firm grip, and the pulling brake facing held rear wheel hub tightly, and the friction force through brake facing and wheel hub makes vehicle body braking.