CN2271990Y

CN2271990Y - Bicycle with assistor

Info

Publication number: CN2271990Y
Application number: CN 96221225
Authority: CN
Inventors: 李明达
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-08-20
Filing date: 1996-08-20
Publication date: 1998-01-07
Anticipated expiration: 2006-08-20

Abstract

The utility model relates to a bicycle with a bimanual assistor, which belongs to the class of bicycles. An assistor is added to the original bicycle and adopts the structure that one end of a support casing (8) is fixed to a front fork handle, and the other end is sheathed with a support bar (3), an assistance wheel (1) and an assistance crank (2) are installed on the upper end of the support bar, an assistance fly wheel (10) is installed on a shaft of the original drive wheel, and the two wheels are connected by a chain (4); an orientator (5) is composed of a front and a back orientation insert plates (12) and (16) and a lift adjustment slice (15), and is respectively fixed to a handle bar (6) and the support bar (3) by an orientation socket plate (7) and a support plate (13). The assistor can enhance the drive force of the bicycle to enable the bicycle to run forward quickly, and is suitable for the bicycle and a tricycle.

Description

The both hands aiding bicycle

The utility model relates to bicycle, particularly a kind of both hands aiding bicycle that increases assisting device on the basis of former self-moving vehicle.

In the prior art by bike the time, all be that strength with both feet drives bicycle and advances, and both hands only are to grasp direction, brake and ring a bell by handlebar, the strength of both hands does not find application basically by bike the time and brings into play.

The purpose of this utility model is: a kind of both hands aiding bicycle is provided, it is to increase by a cover assisting device on the basis of former bicycle, both hands are organically cooperated by the strength of assisting device and both feet, strengthen bicycle driving power, bicycle is advanced fast.

Formation of the present utility model: be on the basis of former bicycle, to increase the power-assist wheel, the power-assist flywheel, chain, carrying sleeve, cradling piece, orientor and power-assist crank, two annular stent covers (8), one end is fixed on the preceding fork handle or on the crossbeam or on the cant beam, the other end entangles cradling piece (3), go up bar link cylinder (9) at cradling piece (3), cradling piece (3) top crotch is installed power-assist wheel (1) or vee-pulley and power-assist crank (2) by rotating shaft, power-assist flywheel (10) or vee-pulley are installed on the wheel shaft of former drive wheel, chain (4) is installed on power-assist wheel (1) and the power-assist flywheel (10), the V-belt is installed on the vee-pulley, orientor (5), by predetermination to plate (12), back directed plate (16) and middle rising-falling tone nodal plate (15) are formed, by directed frid (7) and stay bearing plate (13), be separately fixed on handlebar (6) and the cradling piece (3).

Carrying sleeve (8), Yi Bian form with two other semicircle cover by having two semicircle covers, two ends crotch and elongated slot are pegged graft mutually, connect moulding with screw between two circular holes, valve guard head (29) is placed restrictions on end both sides.

Cradling piece (3) lower end is a cylindrical shape, there is a transverse opening pin-and-hole end, the fork-shaped that the upper end is made up of two block length side's plates, there is axis hole upper end at rectangular plate, in two outsides of rectangular plate retaining chain drum (9) is installed, drum sleeve is contained in the cantilever end of triangular supports, and the retaining chain drum also is installed on the bicycle cant beam.

Two stay bearing plates (13) on the orientor (5), by screw retention on the cylinder of cradling piece (3), two grooves are up and down arranged in the inboard of two stay bearing plates (13), predetermination is installed to plate (12) and back directed plate (16) respectively in groove, flexibly connect by rising-falling tone nodal plate (15) between two plates, rising-falling tone nodal plate (15) is fixed on the dwang (14), dwang is movably arranged on the front and back stay bearing plates (13), predetermination has vertical elongated slot in the middle of plate (12), there are male tab or gear in the lower end, in the middle of the directed plate in back (16) vertical elongated slot is arranged, the lower end is fluted, and there are two horizontal elongated slots at rising-falling tone nodal plate (15) two ends.

Directed frid (7) is made up of transverse slat and riser, has predetermination to insert elongated slot or tooth bar is installed in elongated slot to plate on the transverse slat, and the circular arc bending of riser upper end has mounting hole on it.

Power-assist crank (2) divides simple crank and folding crank, elbow rocking handle (19) on the simple crank, one end has screw thread, be installed in the tapped bore of extension bar (18), extension bar (18) is made up of two mutually perpendicular cylinders, in vertical cylinder tapped bore is arranged, and cylindrical hole is vertically arranged on horizontal cylinder, slip cap (20) is installed on the elbow of rocking handle (19), and the end is by screw retention;

On rocking handle (21) the upper end cylinder of folding crank horizontal circular hole is arranged, the lower end is semicircle back plate (26), shaft hole, perpendicular positioning groove (25) and horizontal positioning groove (27) are arranged on back plate (26), crank (22) is cylindrical, the outside is with slip cap, the lower end is the elbow fork-shaped, vertical elongated slot is arranged on the biside plate of fork-shaped, there is circular hole the elbow, crank (22) lower end edge axially has the circular hole of mounting spring (23) and T shape expansion bolt (24), and crank (22) is installed on the back plate (26) by rotating shaft (28).

Compared with the prior art, the utility model is rational in infrastructure, and propulsive effort is strong, and fast, climbing is fast, and carrying force is strong, and is easy to use, flexibly.

Accompanying drawing 1 is the utility model front view;

Accompanying drawing 2 is birds-eye vieies of accompanying drawing 1;

Accompanying drawing 3 is birds-eye vieies of accompanying drawing 1;

Accompanying drawing 4 is carrying sleeve front views;

Accompanying drawing 5 is birds-eye vieies of accompanying drawing 4;

Accompanying drawing 6 is cradling piece front views;

Accompanying drawing 7 is left views of accompanying drawing 6;

Accompanying drawing 8 is orientor front views;

Accompanying drawing 9 is birds-eye vieies of accompanying drawing 8;

Accompanying drawing 10 is simple crank structure figure;

Accompanying drawing 11 is folding crank structure figure;

Accompanying drawing 12 is left views of accompanying drawing 11.

Embodiment of the present utility model: as shown in Figure 1, carrying sleeve (8) is fixed on the preceding fork handle, and entangle cradling piece (3), cradling piece can freely be rotated in carrying sleeve, power-assist is taken turns (1) and be installed in cradling piece (3) bifurcated upper end, make the power-assist wheel be in the middle top of handlebar, so that both hands rotate power-assist crank (2), power-assist flywheel (10) is installed on the wheel shaft of former drive wheel, connected by chain (4) between the two-wheeled, power-assist crank (2) is installed in the two ends of power-assist wheel shaft, with the hands rotates the power-assist crank, with the foot-operated propulsive effort of the strength power-assist of both hands, bicycle is advanced fast.In the both sides of cradling piece (3) retaining chain drum (9) is installed, when the power-assist wheel rotated, two cylinders were clamped chain, anti-anti-avulsion chain.

Cradling piece (3) go up and handlebar (6) on directed frid (7), fixed orientation device (5), orientor (5) by predetermination to plate (12), back directed plate (16) and middle rising-falling tone nodal plate (15) are formed, the rising-falling tone nodal plate is fixed on the dwang (14), rotate dwang (14), making rising-falling tone nodal plate (15) drive front and back directed plates (12) (16) rises mutually and descends, when the directed plate in back (16) descends, just in time be inserted in the groove (30) of carrying sleeve (8), like this, cradling piece and the orientor that is fixed on the cradling piece just can not rotate, at this moment, the bicycle orientation must be finished by handlebar (6), at this moment, a walking vehicle handle takes off on the other hand power-assist, form singlehanded power-assist, both hands all take off handle if desired, and the while is power-assist all, just rotates dwang (14), by rising-falling tone nodal plate (15), the directed plate in back is risen, break away from carrying sleeve, cradling piece (3) can freely rotate together with orientor (5) like this, when then directed plate (16) rises, predetermination is just fallen to plate, just in time inserts in the guide slot on the directed frid (7) that is fixed on the handlebar (6), and both hands are held power-assist crank (2), just can controlling party to, form the both hands power-assist.

For anti-anti-avulsion chain, on orientor, be furnished with inhibitor valve (17), on carrying sleeve, be furnished with the valve guard of placing restrictions on head (29), power-assist wheel (1) can only rotate in the scope of restriction together with cradling piece (3) like this.

As shown in Figure 2, assisting device is installed in vehicle body central authorities.

As shown in Figure 3, assisting device is installed in vehicle frame one side.

Shown in accompanying drawing 4, accompanying drawing 5, be carrying sleeve (8) constructional drawing, have two semicircle covers by one and form with two other semicircle cover, two ends crotch and elongated slot are pegged graft mutually, and the centre connects moulding with screw.

Shown in accompanying drawing 6, accompanying drawing 7, cradling piece (3) upper end is a fork-shaped, and it is cylindrical shape that shaft hole, lower end are arranged on it, and there is cotter-pin hold the end, and at two outside fixed triangle shape supports of bifurcated, suit cylinder on support is formed retaining chain drum (9).

Shown in accompanying drawing 8, accompanying drawing 9, orientor (5), be fixed on the cylinder of cradling piece (3) by two stay bearing plates (13), groove is up and down arranged in the inboard of stay bearing plate (13), predetermination is installed to plate (12) and back directed plate (16) respectively in groove, flexibly connected by rising-falling tone nodal plate (15) between two plates, rising-falling tone nodal plate (15) is fixed on the dwang (14), and dwang (14) is movably arranged on the front and back stay bearing plates (13).

As shown in Figure 10, be simple crank structure figure, extension bar (18) by elbow rocking handle (19) is formed, be threaded, extension bar is made up of two mutually perpendicular cylinders, in vertical cylinder tapped bore is arranged, on horizontal cylinder, cylindrical hole is vertically arranged, suit slip cap (20) on the elbow of rocking handle (19), the end is by screw retention.

As accompanying drawing 11, shown in the accompanying drawing 12, on rocking handle (21) the upper end cylinder of folding crank horizontal circular hole is arranged, the lower end is semicircle back plate (26), go up by the movable crank (22) of installing of rotating shaft (28) at back plate (26), the prong top of crank (22), axial circular hole is arranged in the middle of the cylinder, mounting spring in the hole (23) and T shape expansion bolt (24), when crank folded, under the effect of spring (23), expansion bolt (24) inserted location in the perpendicular positioning groove (25), during use, expansion bolt (24) is pulled out from perpendicular positioning groove (25), pull crank (22), make expansion bolt (24) insert location in the horizontal positioning groove (27).Go up the suit movable sleeve at crank (22), the end is spacing by screw.

Claims

1, a kind of both hands aiding bicycle, be on the basis of former bicycle, to increase the power-assist wheel, the power-assist flywheel, chain, carrying sleeve, cradling piece, orientor and power-assist crank, it is characterized in that: two annular stent covers (8), one end is fixed on the preceding fork handle, the other end entangles cradling piece (3), go up bar link cylinder (9) at cradling piece (3), cradling piece (3) top crotch is installed power-assist wheel (1) and power-assist crank (2) by rotating shaft, power-assist flywheel (10) is installed on the wheel shaft of former drive wheel, chain (4) is installed on power-assist wheel (1) and the power-assist flywheel (10), orientor (5), by predetermination to plate (12), back directed plate (16) and middle rising-falling tone nodal plate (15) are formed, by directed frid (7) and stay bearing plate (13), be separately fixed on handlebar (6) and the cradling piece (3).

2, both hands aiding bicycle according to claim 1, it is characterized in that: carrying sleeve (8), form with two other semicircle cover by having two semicircle covers on one side, two ends crotch and elongated slot are pegged graft mutually, connect moulding with screw between two circular holes, valve guard head (29) is placed restrictions on end both sides.

3, both hands aiding bicycle according to claim 1, it is characterized in that: cradling piece (3) lower end is a cylindrical shape, there is a transverse opening pin-and-hole end, the fork-shaped that the upper end is made up of two block length side's plates, there is axis hole upper end at rectangular plate, in two outsides of rectangular plate retaining chain drum (9) is installed, drum sleeve is contained in the cantilever end of triangular supports, and the retaining chain drum also is installed on the bicycle cant beam.

4, both hands aiding bicycle according to claim 1, it is characterized in that: two stay bearing plates (13) on the orientor (5), by screw retention on the cylinder of cradling piece (3), two grooves are up and down arranged in the inboard of two stay bearing plates (13), predetermination is installed to plate (12) and back directed plate (16) respectively in groove, flexibly connect by rising-falling tone nodal plate (15) between two plates, rising-falling tone nodal plate (15) is fixed on the dwang (14), dwang is movably arranged on the front and back stay bearing plates (13), predetermination has vertical elongated slot in the middle of plate (12), there are male tab or gear in the lower end, vertical elongated slot is arranged in the middle of the directed plate in back (16), the lower end is at groove, and there are two horizontal elongated slots at rising-falling tone nodal plate (15) two ends.

5, both hands aiding bicycle according to claim 1 is characterized in that: directed frid (7) is made up of transverse slat and riser, has predetermination to insert elongated slot or tooth bar is installed in elongated slot to plate on the transverse slat, and the circular arc bending of riser upper end has mounting hole on it.

6, both hands aiding bicycle according to claim 1, it is characterized in that: power-assist crank (2) divides simple crank and folding crank, elbow rocking handle (19) on the simple crank, one end has screw thread, is installed in the tapped bore of extension bar (18), and extension bar (18) is made up of two mutually perpendicular cylinders, in vertical cylinder, tapped bore is arranged, cylindrical hole is vertically arranged on horizontal cylinder, slip cap (20) is installed on the elbow of rocking handle (19), the end is by screw retention;