CN2414987Y

CN2414987Y - Coiled spring energy-accumulated assistor bicycle

Info

Publication number: CN2414987Y
Application number: CN00208533U
Authority: CN
Inventors: 姜文国
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-04-18
Filing date: 2000-04-18
Publication date: 2001-01-17
Anticipated expiration: 2010-04-18

Abstract

The utility model relates to a coiled spring energy-accumulated assistor bicycle. A coiled spring energy-accumulated device of the bicycle is arranged in a position of a centre shaft of the bicycle, and a centre rotary shaft of the device is a shaft sleeve which is sheathed with the centre shaft; a set of ratchet mechanism is respectively arranged at a right end head of the shaft sleeve and an inner end part of a foot crank in the same side, and outer wheel sleeves of two sets of ratchet mechanisms are fixedly connected together; a big chain plate of the centre shaft of the bicycle is fixedly arranged on outer covers of two ratchet mechanisms, a vergencing and clutching freewheel mechanism is arranged at a left end of a rear wheel hub of the bicycle, and an output end of the flywheel mechanism is in transmission connection with an input chain wheel plate of the coiled spring energy-accumulated device.

Description

Voluted spring energy accumulated assisted bicycle

The utility model relates to a kind of bicycle, relates in particular to a kind of morpet that carries out accumulation of energy with volute spring.

At present, that releases on the market has gasoline boosted vehicle and a Moped Scooter, though can play certain power-assisted effect, consumes energy all, use cost is higher.In addition, all to some extent environment there is certain pollution, environmental protection is had certain negative effect.China's utility model patent communique has been announced a kind of patent No. and has been " ZL99242990.0 ", name is called the utility model patent of " morpet ", this patented technology is to be equipped with a snail end of volume (EOV) energy storage equipment near the main car frame the bicycle middle shaft, be equipped with a sprocket wheel on the input and output shaft of this device, this sprocket wheel links to each other by a ratchet device that assembles on messenger chain and the axis, when reaching back-pedal, to energy storage equipment accumulation of energy and storage, just pedaling Shi Jike and moving ahead as the ordinary bicycle manpower, also may command is emitted accumulation of energy and is carried out the power-assisted of " manpower+spring force " and move ahead.This morpet can slide at ordinary times or store before back-pedal carries out accumulation of energy during downhill running, wait to go up a slope or release when needing power-assisted can, apparent in view power-assisted effect is arranged.But its shortcoming has two: the first, and during power-assisted, pedal must be released and can rotate with spring simultaneously, not too is fit to people's custom at ordinary times; The second, can not store unnecessary kinetic energy in sliding or during descending, very unreasonable in the design.

The purpose of this utility model is to provide a kind of Voluted spring energy accumulated assisted bicycle, to reach accumulation of energy at any time, arbitrarily discharges, and can utilize excess energy to carry out energy storage.

For achieving the above object, the utility model has adopted a kind of Voluted spring energy accumulated assisted bicycle, the Voluted spring energy accumulated device of this bicycle is installed on the middle shaft position of bicycle, the central rotating shaft of this device is an axle sleeve, this axle sleeve is set on the axis, the line of centers of axle sleeve and the central axes of axis, axis by bearing installation in axle sleeve, turn inner end at the pin of axle sleeve right-hand member head and homonymy one cover ratchet device respectively is installed, the foreign steamer cover of two cover ratchet devices is fixed together, the bicycle middle shaft big chain plate is fixedly mounted on the outer of two ratchet devices and puts, be provided with one at the left end of bicycle rear wheel hub and swing to and the clutch flywheel mechanism, swing to and the flywheel output of clutch flywheel mechanism is in transmission connection by driving chain and the hard-wired input sprocket dish of Voluted spring energy accumulated device central axle sleeve left end head.

Described swing to and the clutch flywheel mechanism comprises the rotational support plectane of swinging to flywheel and swinging to the flywheel left and right sides, the periphery of swinging to flywheel has the gear teeth radially, the inner ring surface of swinging to flywheel is provided with the axial gear teeth, be engaged with a clutch gear on the described gear teeth, clutch gear horizontally slips and is assemblied on the clutch slide-bar, the clutch slide-bar is fixed on the right support board, on the right side of clutch gear and the clutch slide-bar between the right support board, be coated with a retracing spring, on the clutch slide-bar in clutch gear left side, be set with a clutch gland, the clutch gland string that slides is contained in the corresponding circular hole on the left support board, be provided with a striking gear at clutch gland left end, be installed with one when clutch gear slides into low order end accumulation of energy engage a gear and clutch gear ingear sun gear at the left end of rear wheel hub.

Described input sprocket dish wears assembling and compacted assembly axis is on the L shaped ring-type body to being pressed on a cross section, the pinch device friction lining that to be screw-tightened fold up between the keep plate of ring-type body left end and keep plate and input sprocket dish, three uniform screws of circumferencial direction are arranged on the keep plate, be rotary with one in each screw and regulate the set screw that the input sprocket dish compresses degree.

Because the utility model is installed in the position of axis on the main car frame to Voluted spring energy accumulated device, lower than existing volute spring morpet center of gravity, layout is more reasonable, more saves the space, ride use more freely comfortable.The bicycle middle shaft big chain plate is in transmission connection by the output center axle sleeve and the bicycle right pedal of two ratchet devices and volute spring, make and no matter come from power that bicycle pedal still comes from Voluted spring energy accumulated device and all can drive bicycle rear and rotate by the axis big chain plate, both individual drive separately, can drive with joint efforts again, but noninterference.Swinging to and the setting of clutch flywheel of rear wheel hub left side, when clutch gear is out of supply, bicycle can be made a concerted effort to drive and travels by manpower or spring assist or both, when bicycle coasting or descending have unnecessary kinetic energy, the brake cable of control handle pulling that can move on the handlebar makes the striking gear action, clutch gear meshes simultaneously with the sun gear of swinging to flywheel and rear wheel hub left end, swing to and the clutch flywheel can become to swing to the rotation that flywheel is swung to the rotational transform of trailing wheel forward, thereby drive cooresponding chain, Voluted spring energy accumulated in Voluted spring energy accumulated device, making unnecessary kinetic energy convert potential energy to stores, discharge when waiting to go up a slope or when needing exoergic, like this, just can more abundant physical efficiency of saving the people effectively.In addition, the pinch device of input sprocket dish has the certain protection effect to a whole set of transmission device and spring energy-storage device, and after the full energy of spring storage, if because clutch gear is not in time decontroled in carelessness, the input sprocket dish can skid automatically, to avoid causing damage.As seen, the utility model is simple in structure, and is rationally distributed, and the energy power-assisted is arbitrarily released in accumulation of energy at any time, is a kind of novel morpet that market potential is arranged very much.

Below in conjunction with accompanying drawing the utility model is made further explanation:

Fig. 1 is the installation site scheme drawing of Voluted spring energy accumulated mechanism of the present utility model;

Fig. 2 is the A-A cutaway view of Fig. 1;

Fig. 3 is the left view of volute spring;

Fig. 4 for the input sprocket dish in bicycle of the present utility model left side by messenger chain with swing to and the connection scheme drawing of clutch flywheel gear;

Fig. 5 is the B-B section-drawing of Fig. 4;

Fig. 6 swings to and the assembling scheme drawing of clutch flywheel gear;

Fig. 7 is the assembling scheme drawing of the safe pinch device of input sprocket dish.

As can be seen from Figure 1, the Voluted spring energy accumulated device of this morpet is assemblied in the position of axis on the main car frame by crust of the device 1.

As can be seen from Figure 2, rotate at the center of Voluted spring energy accumulated device is an axle sleeve 16, and axle sleeve 16 wears and is assemblied on the axis 9.Axis 9 overlaps with the central axis of axle sleeve 16.Between the two by two bearing 8 normal-running fiies, turn inner end at the pin of the right-hand member head of axle sleeve 16 and homonymy one ratchet device respectively is installed.The interior cover 6,7 of two ratchet devices screw fixed respectively is assemblied in axle sleeve 16 and pin and turns 2 correspondence position, and the overcoat 4 of two ratchet devices and 36 is fixed together by three uniform pins 5 of circumferencial direction.The axis big chain plate 3 of bicycle is fixedly mounted on the ratchet overcoat 16.This assembling makes pin no matter turn 2 or all can drive axis big chain plate 3 forward rotation separately during axle sleeve 16 forward rotation and separately the state of being independent of each other.That is, pin turns 2 just to be changeed when driving axis big chain plate 3 and just changeing, and axle sleeve 16 can just change to release and can turn 2 with pin and make a concerted effort to drive, and also can staticly not change, and can also reverse and carry out accumulation of energy; Correspondingly, axle sleeve 16 is just changeing when driving axis big chain plate 3 and just changeing, and pin turns 2 then can just be changeed and make a concerted effort to drive, also can transfixion, arbitrarily reversing.

The canoe of volute spring 10 in housing 1 as shown in Figure 3.The external end head of volute spring is fixed on the housing 1 by bearing pin 37, and its inner termination is fixed on the axle sleeve 16 by screw 17.

For the potential energy that is stored in the volute spring 10 is discharged when needed, Voluted spring energy accumulated device is provided with one and releases the energy control setup, as shown in Figure 2, this device by screw fixed be assemblied in Voluted spring energy accumulated device left side outer shaft 16 ratchet 14, rotate the torsion spring 20 that retaining head 13 is resetted that installs on the retaining head 13 of assembling and the bearing pin 12 and form by being fixed on bearing pin 12 on the housing 1 left backplate, retaining head 13 cooperates with ratchet 14 retainings.Afterbody at retaining head 13 can connect a brake cable, thereby by brake cable control retaining head control exoergic.

Accumulation of energy of the present utility model is to utilize a cover to swing to and clutch flywheel gear engage a gear when the needs accumulation of energy when trailing wheel just changes, by swinging to flywheel output reverse torque in this device, drive and swing to messenger chain 38 and drive input sprocket dish 11 intake (as shown in Figure 4) in Voluted spring energy accumulated device again by swinging to flywheel.

Of the present utility model swing to and the clutch flywheel gear as shown in Figure 5.Among Fig. 5, this device comprises swings to flywheel 21 and swings to the left support board 22 and right support board 35, two support boards of flywheel 21 left and right sides and swing between the flywheel 21 by the ball normal-running fit.The periphery of swinging to flywheel 21 evenly is provided with sprocket radially, swings on the inner ring surface of gear 21 and evenly is provided with the axial long gear teeth, is engaged with a clutch gear 29 on the long gear teeth of the inner ring surface of swinging to flywheel 21.The teeth of clutch gear 29 can horizontally slip along the long gear teeth of swinging on gear 21 inner ring surfaces, and clutch gear 29 can be assembled on the clutch slide-bar 30 that is fixed on the right support board 35 slidingly.On the right side of clutch gear 29 and the clutch slide-bar 30 between the right support board 35, be coated with a retracing spring 31, on the clutch slide-bar 30 in clutch gear 29 left sides, be set with a clutch gland 28, clutch gland 28 string that slides is contained in the corresponding circular hole on the left support board 22, be provided with a striking gear at clutch gland left end, this device can push clutch gear 29 engage a gear that carries out accumulation of energy or out of supply that horizontally slips in needs.Striking gear is made up of the rotating shaft 27 of string dress in fixed hub 26 on connecting lever 25, the connecting lever 25 and the axle sleeve 26, and rotating shaft 27 is fixed on appropriate location on the vehicle frame of back, can press clutch gland 28 with an end of a brake cable 39 pulling connecting levers 25 and drive clutch gear 29 actions.Left end head at bicycle rear wheel hub 24 is twisted an intrinsic sun gear 23, when clutch gear 29 engage a gears, simultaneously when swinging to flywheel 21 and sun gear 23 engagements, being rotated in the forward of bicycle rear promptly is convertible into the contrarotation of swinging to flywheel 21, drives to swing to messenger chain 38 intake in volute spring 10.

Among Fig. 5, left spoke adapter plate 32 and right spoke adapter plate 33 are arranged on the rear wheel hub, low order end is a back flying wheel 34.

In order to prevent excessive energy storage owing to carelessness; on Voluted spring energy accumulated device, also be provided with a cover fender guard; the structure of this fender guard is input sprocket dish 11 to be worn assembling and compacted assembly axis is on the L shaped annular body 15 to being pressed on a cross section, the pinch device friction lining 18 that to be screw-tightened fold up between the keep plate 19 of annular body left end and keep plate 19 and input sprocket dish 11.Three uniform screws of circumferencial direction are arranged on the keep plate 19, be rotary with one in each screw and regulate the set screw 40 that the input sprocket dish compresses degree.After volute spring held full energy, after the amount accumulation of energy, the input sprocket dish just can skid, and damaged to avoid transmission and energy storage equipment.

Claims

1, a kind of Voluted spring energy accumulated assisted bicycle, it is characterized in that the Voluted spring energy accumulated device of this bicycle is installed on the middle shaft position of bicycle, the central rotating shaft of this device is an axle sleeve, this axle sleeve is set on the axis, the line of centers of axle sleeve and the central axes of axis, axis by bearing installation in axle sleeve, turn inner end at the pin of axle sleeve right-hand member head and homonymy one cover ratchet device respectively is installed, the foreign steamer cover of two cover ratchet devices is fixed together, the bicycle middle shaft big chain plate is fixedly mounted on the outer of two ratchet devices and puts, be provided with one at the left end of bicycle rear wheel hub and swing to and the clutch flywheel mechanism, swing to and the flywheel output of clutch flywheel mechanism is in transmission connection by driving chain and the hard-wired input sprocket dish of Voluted spring energy accumulated device central axle sleeve left end head.

2, morpet according to claim 1, it is characterized in that described swing to and the clutch flywheel mechanism comprises the rotational support plectane of swinging to flywheel and swinging to the flywheel left and right sides, the periphery of swinging to flywheel has the gear teeth radially, the inner ring surface of swinging to flywheel is provided with the axial gear teeth, be engaged with a clutch gear on the described gear teeth, clutch gear horizontally slips and is assemblied on the clutch slide-bar, the clutch slide-bar is fixed on the right support board, on the right side of clutch gear and the clutch slide-bar between the right support board, be coated with a retracing spring, on the clutch slide-bar in clutch gear left side, be set with a clutch gland, the clutch gland string that slides is contained in the corresponding circular hole on the left support board, be provided with a striking gear at clutch gland left end, be installed with one when clutch gear slides into low order end accumulation of energy engage a gear and clutch gear ingear sun gear at the left end of rear wheel hub.

3, morpet according to claim 2, it is characterized in that described input sprocket dish wears assembling and compacted assembly axis is on the L shaped ring-type body to being pressed on a cross section, the pinch device friction lining that to be screw-tightened fold up between the keep plate of ring-type body left end and keep plate and input sprocket dish, three uniform screws of circumferencial direction are arranged on the keep plate, be rotary with one in each screw and regulate the set screw that the input sprocket dish compresses degree.