CN201309541Y

CN201309541Y - Double-force bicycle

Info

Publication number: CN201309541Y
Application number: CNU2008201780481U
Authority: CN
Inventors: 李彦
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-11-18
Filing date: 2008-11-18
Publication date: 2009-09-16
Anticipated expiration: 2018-11-18

Abstract

The utility model discloses a double-force bicycle, which comprises a front wheel, a rear wheel, a front fork, a handlebar, a saddle, a seat tube, a rear fork, a cross beam, a braking system, a crank sprocket system, a crank sprocket, a connecting rod, a handlebar positioning structure, a universal shaft, a bidirectional shaft and a folding device, wherein, the Y-shaped handlebar is mounted at the top part of a stem; the universal shaft is installed on the stem below the handlebar; the parts of the stem leaning against the lower and the upper parts of the universal shaft are provided with extensible sleeves respectively; the bidirectional shaft is welded on the stem below the lower extensible sleeve; the stem between the bidirectional shaft and a front fork tube is provided with the folding device, of which the lower end is connected with the front fork by the front fork tube; the universal shaft is further connected with the crank sprocket by the connecting rod; the crank sprocket is mounted on one side of the cross beam; two shaft sleeves supporting the crank sprocket are fixed on both sides of the cross beam respectively; and the crank sprocket system is installed at the joint of the seat tube and the cross beam. The double-force bicycle provided by the utility model utilizes the double-force drive of foot stepping and manual operations, thereby greatly improving the drive efficiency.

Description

Two force bikes

Technical field

The utility model relates to a kind of pair of force bike.

Background technology

Existing ordinary bicycle mostly is to rely on pedal to realize motion, be subjected to the restriction of power resources like this, speed is just slow by bike, having ridden soon or ridden for a long time health can feel very tried, if when running into upward slope or contrary wind, people generally just can only walk one's bicycle and move ahead, and quicken also relatively effort in travelling at ordinary times, and speed-raising are also very slow.

The utility model content

The purpose of this utility model provides a kind of pair of force bike to solve above-mentioned technical deficiency exactly, at its original technical increase by one handlebar force aid system.

Specifically, the utility model is an a kind of pair of force bike, it comprises front-wheel, trailing wheel, front fork, handlebar, saddle, the seat pipe, back vent, crossbeam, brake system, the crank and chain-wheel system, crank and chain-wheel, connecting rod, the handlebar location structure, versatile spindle, two-way axle and folding device, Y type handlebar is installed in upright top, the handle that versatile spindle is located under the handlebar stands, the handle that leans against versatile spindle bottom and top stands and is respectively equipped with telescopic shaft, the below of bottom telescopic shaft is established a two-way axle to upright upward weldering, on the handle between two-way axle and the front fork tube is upright, be provided with folding device, the folding device lower end is connected with front fork by front fork tube, and versatile spindle is connected with crank and chain-wheel by connecting rod, crank and chain-wheel is located on crossbeam one side, two axle sleeves that support crank and chain-wheel are separately fixed at the both sides of crossbeam, crank and chain-wheel is connected with the crank and chain-wheel system by chain, and the junction of present pipe and crossbeam is installed by the crank and chain-wheel system.

Further, the sprocket wheel of crank and chain-wheel system is formed " driving ratchet and driven ratchet " by two ratchets, driving ratchet and driven ratchet are installed in axis one side side by side, the driving ratchet reverse geometry is installed on the axis, driven ratchet forward structure encapsulation is on axis, and itself and middle between centers gap are provided with a bearing, and the interior body of driven ratchet is captiveed joint with the driving ratchet outer sleeve body, driven ratchet is connected by chain with crank and chain-wheel, and driving ratchet also is connected by chain with flywheel.

Further, the handlebar location structure comprises two fan-shaped fluted discs, control position pawl, and two fan-shaped fluted discs are separately fixed on the folding device, and in the two-way axle left and right sides, control position pawl is installed in the top movable position of two-way axle by registration mast.

Further, connecting rod is a Collapsible structure.

Further, at the lower dead point place of crank and chain-wheel and connecting rod driving one adjustable elastic work-saving device is housed.

Further, the present front of managing is provided with a U type kayser.

Further, saddle is provided with a collapsible backrest.

The two force bikes of the utility model drive by pedal and manually two power, have improved drive efficiency greatly, when quickening or go up a slope, reached save time, the labour-saving effect, upper limbs has also obtained activity in the time of by bike, has so just played the effect that improves the health.The utility model novel structure has increased the enjoyment of riding.

Description of drawings

As Fig. 1 is the utility model structural front view.

As Fig. 2 is the utility model drive mechanism scheme drawing.

As Fig. 3 is the utility model structure back view.

As Fig. 4 is the driven ratchet mounting structure of the utility model front view.

As Fig. 5 is the utility model driving ratchet mounting structure front view.

Wherein: 1 front-wheel, 2 trailing wheels, 3 front forks, 4 handlebars, 5 saddles, 6 pipes, 7 back vents, 8 crossbeams, 9 brake system, 10 crank and chain-wheel systems, 11 crank and chain-wheels, 12 connecting rods, 13 handlebar location structures, 14 versatile spindles, 15 two-way axles, 16 folding devices, 17 axle sleeves, 18 upright, 19 sleeves, 20 front fork tubes, 21 driving ratchets, 22 driven ratchets, 23 axis, 24 bearings, 25 chains, 26 flywheels, 27 fan-shaped fluted discs, 28 control position pawls, 29 elasticity work-saving devices, 30U type kayser, 31 folding backs.

The specific embodiment

As shown in Figure 1, a kind of pair of force bike, it comprises front-wheel 1, trailing wheel 2, front fork 3, handlebar 4, saddle 5, seat pipe 6, back vent 7, crossbeam 8, brake system 9, crank and chain-wheel system 10, crank and chain-wheel 11, connecting rod 12, handlebar location structure 13, versatile spindle 14, two-way axle 15, folding device 16, Y type handlebar 4 is installed in upright 18 tops, the handle that versatile spindle 14 is located under the handlebar 4 stands on 18, because the polytropism of versatile spindle 14 is upright at left and right sides certain angle handle, do not influence the driving function of connecting rod 12, the handle that leans against versatile spindle 14 bottoms and top stands on 18 and is respectively equipped with telescopic shaft 19, can show that length adjusting handle is to movable stroke, a two-way axle 15 is established standing to weld on 18 in the below of bottom telescopic shaft 19, on the handle between two-way axle 15 and the front fork tube 20 upright 18, be provided with folding device 16, to make things convenient for the adjustment of pre-tightening apparatus in the front fork tube 20, and make handlebar collapsible, folding device 16 lower ends are connected with front fork 3 by front fork tube 20, and versatile spindle 14 is connected with crank and chain-wheel 11 by connecting rod 12, crank and chain-wheel 11 is located on crossbeam 8 one sides, two axle sleeves 17 that support crank and chain-wheel 11 are separately fixed at the both sides of crossbeam 8, to keep connecting rod 12 on crossbeam 8 line of centerss, to move, crank and chain-wheel 11 is connected with crank and chain-wheel system 10 by chain 25, the junction of present pipe 6 and crossbeam 8 is installed by crank and chain-wheel system 10, like this during pulling handle, just can just can do vertical crank motion by two-way axle 15 to upright 18, also just can move reciprocatingly by versatile spindle 14 drivening rods 12, connecting rod 12 drives bent tenon sprocket wheel 11 by crank again and moves in a circle.

Handlebar location structure 13 comprises fan-shaped fluted disc 27, control position pawl 28, fan-shaped fluted disc 27 is fixed on the folding device 16, and in two-way axle 15 left and right sides, control position pawl 28 is installed in the top movable position of two-way axle 15 by registration mast, when people do not want to use handlebar to drive like this, just can rotate and realize, and when brake, also can control the handlebar geocoded activity at any time, the people be fallen to prevent inertia by the two-way axle 15 of handlebar location structure 13 controls.Connecting rod 12 is a Collapsible structure, like this can be according to the difference of user's brachium, and the sleeve 19 on adjusting connecting rod 12 and the handle upright 18 is to reach more effective driving effect.

Present pipe 6 front sides are provided with a U type kayser 30, can leave in after preceding handle is folding in this device and also can pin handlebar.Saddle 5 can be provided with a folding back 31.

As shown in Figure 2, the sprocket wheel of crank and chain-wheel system 10 is formed " driving ratchet 21 and driven ratchet 22 " by two ratchets, driving ratchet 21 and driven ratchet 22 are installed in axis 23 1 sides side by side, driving ratchet 22 reverse geometries are installed on the axis 23, driven ratchet 22 forward structure peace is enclosed within on the axis 23, itself and 23 of axis have the gap to be provided with a bearing 24, and the interior body of driven ratchet 22 is captiveed joint with driving ratchet 21 outer sleeve bodies, driven ratchet 22 is connected by chain 25 with crank and chain-wheel 11, driving ratchet 21 also is connected by chain 25 with flywheel 26, when driving driving ratchet 21, just can not drive the outer sleeve body of driven ratchet 22 like this by pedal, and when passing through hand-drive, driven ratchet only drives driving ratchet 21 outer sleeve bodies and inoperative to bodies in the driving ratchet 21, like this hand-drive and pedal just being driven can mutually noninterfere, and can both drive flywheel 26 simultaneously and reach the purpose of travelling.

At the lower dead point place of crank and chain-wheel 11 and connecting rod 12 drivings one adjustable elastic work-saving device 29 is housed as shown in Figure 3, when pulling upright to will arrive lower dead point position the time, the position sliding pressure of crank head is subjected to its reaction force that makes progress can make connecting rod 12 dead point of moving easily when elasticity is crossed on the dead point work-saving device 29, makes connecting rod 12 cranks do the loop cycle motion smoothly.

This handlebar drive system equally also can be installed on the three-wheel vehicle.

Claims

1, a kind of pair of force bike, it comprises front-wheel (1), trailing wheel (2), front fork (3), handlebar (4), saddle (5), seat pipe (6), back vent (7), crossbeam (8), brake system (9), crank and chain-wheel system (10), crank and chain-wheel (11), connecting rod (12), handlebar location structure (13), versatile spindle (14), two-way axle (15), folding device (16); It is characterized in that: described Y type handlebar (4) is installed in upright top, the handle that described versatile spindle (14) is located under the handlebar stands on (18), the handle that leans against versatile spindle (14) bottom and top stands on (18) and is respectively equipped with telescopic shaft (19), the below of bottom telescopic shaft (19) is gone up weldering to upright (18) and is established a two-way axle (15), on the handle between two-way axle (15) and the front fork tube (20) upright (18), be provided with folding device (16), folding device (16) lower end is connected with front fork (3) by front fork tube (20), and versatile spindle (14) is connected with crank and chain-wheel (11) by connecting rod (12), described crank and chain-wheel (11) is located on crossbeam (8) one sides, two axle sleeves (17) that support crank and chain-wheel (11) are separately fixed at the both sides of crossbeam (8), crank and chain-wheel is connected with the crank and chain-wheel system by chain, and the junction of present pipe (6) and crossbeam (8) is installed by described crank and chain-wheel system (10).

2, according to claim 1 pair of force bike, it is characterized in that: the sprocket wheel of described crank and chain-wheel system (10) is formed " driving ratchet (21) and driven ratchet (22) " by two ratchets, described driving ratchet (21) and driven ratchet (22) are installed in axis (23) one sides side by side, described driving ratchet (21) reverse geometry is installed on the axis (23), described driven ratchet (22) forward structure peace is enclosed within on the axis (23), there is the gap to be provided with a bearing (24) between itself and axis (23), and the interior body of driven ratchet (22) is captiveed joint with driving ratchet (21) outer sleeve body, driven ratchet (22) is connected by chain (25) with crank and chain-wheel (11), and driving ratchet (21) also is connected by chain (25) with flywheel (26).

3, according to claim 1 and 2 pair of force bike, it is characterized in that, described handlebar location structure (13) comprises fan-shaped fluted disc (27), control position pawl (28), fan-shaped fluted disc (27) is fixed on the folding device (16), and two-way axle (15) left and right sides, control position pawl (28) is installed in the top movable position of two-way axle (15) by registration mast.

4, according to claim 1 pair of force bike is characterized in that, described connecting rod (12) is a Collapsible structure.

5, according to each described pair of force bike in the claim 1,2 and 4, it is characterized in that, one adjustable elastic work-saving device (29) is housed at the lower dead point place of crank and chain-wheel (11) and connecting rod (12) driving.

6, according to claim 1 pair of force bike is characterized in that, described seat pipe (6) front side is provided with a U type kayser (30).

7, according to claim 1 pair of force bike is characterized in that, described saddle (5) can be provided with a folding back (31).