CN2663287Y - Power-assisted accelerating unite for bicycle - Google Patents

Abstract

The utility model relates to a boosting accelerating device of a foot cycle, in particular to an improvement of boosting accelerating device of a foot cycle. An inputting chain wheel(5) is fixedly arranged on one exerted end of an active gear axes(9) of the utility model. An active wheel single paw(17) which has the driving relationship with an active wheel block(16) is fixedly arranged on an active gear axes(9); a clutch gear(13) which is able to glide backwards and forwards on a sliding pin(18) is arranged on a clutch gear axes(10). An output chain wheel(6) is fixedly arranged on the exerted end of a passive gear axes(11). The clutch gear(13) respectively joggles or deviates with an active gear(12) and a passive gear(14); a number one chain wheel(1) and a number two chain wheel(3) are parallel fixedly arranged on the right side of the middle axes of the cycle, a number one flywheel(2) is fixedly arranged on the right side of a rear axes(7) of the cycle, a number two flywheel(4) is fixedly arranged on the left side of the rear axes(7) of the cycle. A box body(29) is fixedly arranged between the front oblique girder(22) and a vertical girder(28). The utility model is applied in variety of cycles and has the advantages of reasonable structure, convenient installation, big launching power, fast acceleration and high speed.

Description

The power-assisted acceleration device of bicycle

Technical field: the utility model relates to a kind of improvement of power-assisted acceleration device structure of bicycle.

Background technology: power-assisted (laborsaving) device of existing bicycle, there is complex structure, cost is higher, has influenced its practical application; The structure that also has is too simple, and the function that its power-assisted is quickened is not ideal enough, so fail to be converted into commodity.Bicycle does not use the energy, do not have environmental pollution, can alleviate advantages such as urban traffic pressure and praised highly by society all the time with it as a kind of walking-replacing tool or smaller vehicle.But traditional bicycle is low with its efficient, speed slow and society with fast rhythm's overall situation is incompatible.The bicycle power that needs and not very big of running at high speed, principal element is a force of inertia; The racing car speed per hour is very high, but needs cone pulley speed change step by step, reach certain force of inertia and can run at high speed later, but the cone pulley price is more expensive, and is very unreliable again, and often easy chain-taking to such an extent as to chain is stuck, does not more possess the ability that strengthens cranking power at any time.

The utility model content: the purpose of this utility model is the power-assisted acceleration device of a kind of bicycle of development, and it is applicable to various bicycles, has rational in infrastructurely, easy for installation, and cranking power is big, quicken fast, fast characteristics.The utility model comprises left box body 8, right case 15, driving gear shaft 9, input sprocket 5, driving gear 12, driving wheel monodactyle 17, driving wheel block 16, clutch gear axle 10, clutch gear 13, sliding pin 18, clutch handle 30, clutch yoke 19, output chain gear 6, passive tooth wheel shaft 11, ring gear 14, follower monodactyle 21, follower block 20, clutch handle axle 27; Left box body 8 and stone casing 15 relative fixed form casing 29 together, driving gear shaft 9 is fixed in a side in the casing 29 by bearing, be fixed with input sprocket 5 on the end that driving gear shaft 9 exposes, casing 29 inner pinion gear axles 9 are provided with can be around the driving gear 12 of driving gear shaft 9 rotations, be fixed with driving wheel block 16 on the driving gear 12, with driving wheel block 16 be that the driving wheel monodactyle 17 of drive connection is fixed on the driving gear shaft 9 in the casing 29; Clutch gear axle 10 is fixed in middle part in the casing 29 by bearing, the both sides of clutch gear axle 10 top-surface cambers are fixed with sliding pin 18, can be located on the clutch gear axle 10 at the clutch gear 13 that slidably reciprocates on the sliding pin 18, clutch handle 30 is located at the top of casing 29, can stir clutch yoke 19 folders that clutch gear 13 slidably reciprocates and ride over the top of clutch gear 13, between clutch yoke 19 and the clutch handle 30 by 27 flexible connections of clutch handle axle; Passive tooth wheel shaft 11 is fixed in opposite side in the casing 29 by bearing, the end that passive tooth wheel shaft 11 exposes is fixed with output chain gear 6, passive tooth wheel shaft 11 in the casing 29 is provided with can be around the ring gear 14 of passive tooth wheel shaft 11 rotations, be fixed with follower block 20 on the ring gear 14, with follower block 20 be that the follower monodactyle 21 of drive connection is fixed on the passive tooth wheel shaft 11 in the casing 29; Clutch gear 13 meshes with driving gear 12 and ring gear 14 respectively or breaks away from.Input sprocket 5 of the present utility model links with the foot-operated chain sprocket drive of bicycle, the flywheel transmission link on output chain gear 6 and the wheel, the particular significant effect that its power-assisted is quickened.The utility model is applicable to various bicycles, has rational in infrastructurely, easy for installation, and cranking power is big, quicken fast, the advantage that the speed of a motor vehicle is high.

Description of drawings: Fig. 1 is a plan structure scheme drawing of the present utility model, and Fig. 2 is the structural representation of the specific embodiment one, and Fig. 3 is the side-looking structural representation of the specific embodiment two.

The specific embodiment one: (see Fig. 1, Fig. 2) present embodiment is by left box body 8, right case 15, driving gear shaft 9, input sprocket 5, driving gear 12, driving wheel monodactyle 17, driving wheel block 16, clutch gear axle 10, clutch gear 13, sliding pin 18, clutch handle 30, clutch yoke 19, output chain gear 6, passive tooth wheel shaft 11, ring gear 14, follower monodactyle 21, follower block 20, clutch handle axle 27, a sprocket wheel 1, No. two sprocket wheels 3, bicycle axis 24, bicycle rear axle 7, a messenger chain 23, No. two messenger chains 25, No. three messenger chains 26, cant beam 22 before the bicycle, bicycle vertical beam 28, a flywheel 2, No. two flywheel 4 is formed; Left box body 8 and right case 15 relative fixed form casing 29 together, driving gear shaft 9 is fixed in a side in the casing 29 by bearing, be fixed with input sprocket 5 on the end that driving gear shaft 9 exposes, casing 29 inner pinion gear axles 9 are provided with can be around the driving gear 12 of driving gear shaft 9 rotations, be fixed with driving wheel block 16 on the driving gear 12, with driving wheel block 16 be that the driving wheel monodactyle 17 of drive connection is fixed on the driving gear shaft 9 in the casing 29; Clutch gear axle 10 is fixed in middle part in the casing 29 by bearing, the both sides of clutch gear axle 10 top-surface cambers are fixed with sliding pin 18, can be located on the clutch gear axle 10 at the clutch gear 13 that slidably reciprocates on the sliding pin 18, clutch handle 30 is located at the top of casing 29, can stir clutch yoke 19 folders that clutch gear 13 slidably reciprocates and ride over the top of clutch gear 13, between clutch yoke 19 and the clutch handle 30 by 27 flexible connections of clutch handle axle; Passive tooth wheel shaft 11 is fixed in opposite side in the casing 29 by bearing, the end that passive tooth wheel shaft 11 exposes is fixed with output chain gear 6, passive tooth wheel shaft 11 in the casing 29 is provided with can be around the ring gear 14 of passive tooth wheel shaft 11 rotations, be fixed with follower block 20 on the ring gear 14, with follower block 20 be that the follower monodactyle 21 of drive connection is fixed on the passive tooth wheel shaft 11 in the casing 29; Clutch gear 13 meshes with driving gear 12 and ring gear 14 respectively or breaks away from; Sprocket wheel 1 and No. two sprocket wheels 3 are fixed on the right side of bicycle axis 24 abreast, a flywheel 2 is fixed on the right side of bicycle rear axle 7, No. two flywheels 4 are fixed on the left side of bicycle rear axle 7, casing 29 is fixed between preceding cant beam 22 of bicycle and the bicycle vertical beam 28, be provided with messenger chain 23 No. one between sprocket wheel 1 and the input sprocket 5, be provided with messenger chain 26 No. three between No. two sprocket wheels 3 and a flywheel 2, be provided with messenger chain 25 No. two between output chain gear 6 and No. two flywheels 4.The external diameter of No. two sprocket wheels 3 is less than the external diameter of a sprocket wheel 1.

The specific embodiment two: the difference of the (see figure 3) present embodiment and the specific embodiment one is, the side of casing 29 is a triangle, driving gear shaft 9 and driving gear 12 are arranged on the left side of clutch gear 13, and passive tooth wheel shaft 11 and ring gear 14 are arranged on the downside of clutch gear 13.Other composition is identical with the specific embodiment one with annexation.In the present embodiment casing 29 is made triangular structure, can reduce the length of casing, adapt to the triangle space at bicycle axis position, reduce the setting height(from bottom) of casing, reduced the center of gravity of bicycle, be beneficial to the riding safety of bicycle.

The utility model when cycling start, when going up a slope, road bump not at ordinary times, pull clutch handle 30, clutch yoke 19 drives clutch gear 13 and breaks away from driving gear 12 and ring gear 14, make clutch gear 13 be in neutral gear, because the external diameter of No. two sprocket wheels 3 is littler than the external diameter of a sprocket wheel 1, transmission power is big, make ride laborsaving.Otherwise the big sprocket wheel of external diameter 1 drives input sprocket 5, driving gear 12, clutch gear 13, ring gear 14, output chain gear 6, No. two flywheels 4 are realized running at high speed, and simultaneously, No. two sprocket wheels 3 drive a flywheel 2 and realize power-assisteds.Riding speed can reach per hour 30 kilometers.

Claims (4)

1, the power-assisted acceleration device of bicycle, it comprises left box body (8), right case (15), driving gear shaft (9), input sprocket (5), driving gear (12), driving wheel monodactyle (17), driving wheel block (16), clutch gear axle (10), clutch gear (13), sliding pin (18), clutch handle (30), clutch yoke (19), output chain gear (6), passive tooth wheel shaft (11), ring gear (14), follower monodactyle (21), follower block (20), clutch handle axle (27); It is characterized in that left box body (8) and right case (15) relative fixed form casing (29) together, driving gear shaft (9) is fixed in the interior side of casing (29) by bearing, be fixed with input sprocket (5) on the end that driving gear shaft (9) exposes, casing (29) inner pinion gear axle (9) is provided with can be around the driving gear (12) of driving gear shaft (9) rotation, be fixed with driving wheel block (16) on the driving gear (12), with driving wheel block (16) be that the driving wheel monodactyle (17) of drive connection is fixed on the driving gear shaft (9) in the casing (29); Clutch gear axle (10) is fixed in the interior middle part of casing (29) by bearing, the both sides of clutch gear axle (10) top-surface camber are fixed with sliding pin (18), can be located on the clutch gear axle (10) at the clutch gear (13) that slidably reciprocates on the sliding pin (18), clutch handle (30) is located at the top of casing (29), can stir clutch yoke (19) folder that clutch gear (13) slidably reciprocates and ride over the top of clutch gear (13), flexibly connect by clutch handle axle (27) between clutch yoke (19) and the clutch handle (30); Passive tooth wheel shaft (11) is fixed in the interior opposite side of casing (29) by bearing, the end that passive tooth wheel shaft (11) exposes is fixed with output chain gear (6), passive tooth wheel shaft (11) in the casing (29) is provided with can be around the ring gear (14) of passive tooth wheel shaft (11) rotation, be fixed with follower block (20) on the ring gear (14), with follower block (20) be that the follower monodactyle (21) of drive connection is fixed on the passive tooth wheel shaft (11) in the casing (29); Clutch gear (13) meshes with driving gear (12) and ring gear (14) respectively or breaks away from.

2, the power-assisted acceleration device of bicycle according to claim 1, it is characterized in that a sprocket wheel (1) and No. two sprocket wheels (3) are fixed on the right side of bicycle axis (24) abreast, a flywheel (2) is fixed on the right side of bicycle rear axle (7), No. two flywheels (4) are fixed on the left side of bicycle rear axle (7), casing (29) is fixed between preceding cant beam (22) of bicycle and the bicycle vertical beam (28), be provided with a messenger chain (23) between a sprocket wheel (1) and the input sprocket (5), be provided with No. three messenger chains (26) between No. two sprocket wheels (3) and the flywheel (2), be provided with No. two messenger chains (25) between output chain gear (6) and No. two flywheels (4).

3, the power-assisted acceleration device of bicycle according to claim 2 is characterized in that the external diameter of the external diameter of No. two sprocket wheels (3) less than a sprocket wheel (1).

4, the power-assisted acceleration device of bicycle according to claim 1, the side that it is characterized in that casing (29) is a triangle, driving gear shaft (9) and driving gear (12) are arranged on the left side of clutch gear (13), and passive tooth wheel shaft (11) and ring gear (14) are arranged on the downside of clutch gear (13).

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