CN202320658U

CN202320658U - Practical box-type foldable electric bicycle

Info

Publication number: CN202320658U
Application number: CN2011201490705U
Authority: CN
Inventors: 方剑治
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-05-11
Filing date: 2011-05-11
Publication date: 2012-07-11
Anticipated expiration: 2021-05-11

Abstract

The utility model relates to a practical box-type foldable electric bicycle, consisting of a handlebar assembly, a front wheel assembly, a rear wheel assembly, a frame assembly, a power driving mechanism, a riding seat assembly and a traffic prompting lamp assembly. The handlebar assembly comprises a handlebar folder, a straight-tube folder and a front fork folder; the rear wheel assembly is provided with a rear fork folder, and the frame assembly comprises a frame, a frame lining, a frame outer cover and a foldable locking mechanism. In a folding state, a left handlebar and a right handlebar are obliquely folded and prop against a handlebar straight pipe, the handlebar straight pipe is obliquely folded on a front fork, is limited by a folding locking mechanism along with the front wheel assembly and rear wheel assembly which are mutually drawn and folded, and is contained in a lining cavity of the frame, and a frame shell covers the outer side of the frame. Each assembly is reasonably folded, and the front wheel assembly and the rear wheel assembly are mutually crossly arranged in a folding state, thus the practical box-type foldable electric bicycle disclosed by the utility model has the characteristics of scientific structure, reasonable layout, convenience and quickness for folding and unfolding, regular and attractive appearance, smooth surface, smaller volume, convenience for storing, carrying and using and strong practicability.

Description

A kind of practical box-type folding Electrical Bicycle

Technical field

The utility model relates to the Electrical Bicycle technical field, particularly a kind of convenient folding, is convenient to collect and portable or push away, draw the practical box-type folding Electrical Bicycle that carries.

Background technology

In the folding vehicle on sale in the market; In the majority with Folding Bicycle, and comparatively rare because of the folded product that does not need the fast Electrical Bicycle that is suitable for going a long way, become day by day the market new lover of the more laborsaving and speed of manpower direct drive when using.In the folding electric bicycle that has appeared on the market at present; Usually aspect the size compression of bodywork height, width and length, consider more; For example: No. 200720036298.7, Chinese patent < a kind of two-wheeled folding electric bicycle >; Be arranged to the front and back two sectional type through the crossbeam that will connect former and later two wheels, two sections junction is provided with fold mechanism in front and back, and the car load length of the Electrical Bicycle after folding is effectively compressed; But increased width simultaneously; Historical facts or anecdotes border volume does not change, though for Electrical Bicycle is placed on carrying in the automobile trunk convenience is provided, the comfort feature that the manual work under the special on the road traffic restriction requirement of the cyclist situation is carried does not play much help; No. 200920036989.6 < folding electric bicycle>Chinese utility model patent; Through making the seat pipe to the transverse tube rotary folding; Chain stay and upright fork be with trailing wheel forward, near the front-wheel rotation, dwindled the distance between the front and back wheel, and made front-wheel parallel with trailing wheel; Electrical Bicycle after folding can be carried out; For the manual work under the special on the road traffic restriction requirement of the cyclist situation is carried at convenience is provided to a certain extent, but because the Electrical Bicycle after folding is that to be in face shaping irregular and do not have the loose condition (of surface) of peripheral constraint generally, thus still exist volume greatly, collect and carry the weak point of equal inconvenience.

Summary of the invention

The purpose of the utility model is to overcome the weak point that the existing face shaping after folding of existing folding electric bicycle is irregular, volume is big, collect and carry equal inconvenience, provides that a kind of face shaping after folding is regular and attractive in appearance, smooth surface and volume are less, collect and carry all practical easily box-type folding Electrical Bicycle.

The practical box-type folding Electrical Bicycle main body of the utility model comprises handlebar assembly, front component, wheel assembly, chassis assembly, include lithium battery group and charger, electric controller and be arranged on wheel hub motor on the hind axle, be arranged on the brake control member on the handlebar power-driven mechanism, include riding holder assembly and including the conventional traffic warning light assembly of headlight, steering indicating light and stoplight stop lamp of seat cushion and stretcher; Be characterised in that: comprise the left handlebar that is provided with the band grip in the described handlebar assembly; The right handlebar of last belt brake handle and speed change handle; The handlebar straight tube; Be arranged on the handlebar folder of left handlebar, right handlebar and handlebar straight tube three junction; And be arranged on the handlebar straight tube tail end, on the straight tube folder of straight tube bending control end, wherein said handlebar folder by be arranged between left handlebar and the right handlebar, by an end be provided with negative thread, the other end be provided with in sleeve, a fixed installation of convex collar be arranged on supporting base on the handlebar straight tube top, and about the two pairs one end axle dresses be arranged on the said supporting base, the other end respectively the axle dress feet that is arranged on said left handlebar and right handlebar close end both sides constitute; Comprise the front vehicle wheel that is provided with the band front fender in the described front component; Magnetic tape trailer portion upwarp end about before chain stay; Be provided with between the front position partially in the middle of near the front fork folder about before the Dou fork; Before about being provided with the installation axle bed of chain stay with about before installation axle bed, the upper end of Dou fork the front fork of the assembling end that is provided with the straight tube folder, front-wheel installation shaft that the lower end is provided with front vehicle wheel is installed, and before about being separately positioned on chain stay and about before flats left and right sides front fork traction connecting strap between the Dou fork; Comprise in the described wheel assembly and be provided with rear wheel; The top be provided with the left and right sides back vent that being provided with the fork installation shaft of retreading between the trailing wheel installation shaft of wheel hub motor, disc brake dish, back mud plate and rear wheel, nearly midway location, near in the middle of partially the front position be provided with the back vent folder about the fork that retreads, and the flats back vent that end axle dress is arranged on the control end of back vent folder draws connecting strap; Comprise the folding lockout mechanism that is provided with vehicle frame framework, framework inner bag, frame cover and constitutes in the described chassis assembly by the spacing latch and the compression spring of band handle, wherein: the end axis of chain stay dress hole before about described vehicle frame framework is provided with, about before the Dou fork end axis dress hole, left and right sides back vent end axis dress hole, about retread end axis dress hole, handle mount pad, telescopic rod mount pad, framework inner bag mount pad, folding lockout mechanism mount pad and the universal caster wheel mount pad of fork; Described framework inner bag is close to inlay and is arranged on the vehicle frame framework outside; Unimpeded opening shape, left and right sides wall was provided with and can supplies to install the concave spacing-type groove that electric controller, lithium cell group and charger thereof are set before and after the two side, front and back was provided with and is, and nearly edge, the front and back of left and right sides wall is provided with the traffic warning light assembly that comprises headlight, steering indicating light and stoplight stop lamp; Described frame cover is close to and is arranged on the vehicle frame inner bag outside; Constitute by left and right sides panel, front and back side plate and top blind flange; The left and right sides panel is provided with electric-quantity display device, stretcher, folding locking control handle and charging inlet, and the front and back side plate is provided with the formula of moving and inserts door, stretches on the midway location of top blind flange to put to be provided with handle; Top blind flange is stretched to put with the handing-over corner of a left side or a right side left and right sides panel and is provided with scalable pull bar handle; Wherein said stretcher is outside turnable, and described seat cushion is filled the post of by top blind flange, installs on the described universal caster wheel mount pad and is provided with universal caster wheel.

Under confined state; Left handlebar in the described handlebar assembly and right handlebar by the interconnection of the sleeve of handlebar folder, and interconnect through the top ends of described feet and supporting base and handlebar straight tube; When the bush whorl end of described handlebar folder from left handlebar or right handlebar withdraw from, when unclamping, left handlebar and right handlebar can in company with the handlebar feet down partially, paste and hold the both sides that are limited in the handlebar straight tube; Described straight tube folder is mounted between tail end and the described front fork upper end of handlebar straight tube, and the straight tube bending control end on the straight tube folder unclamps, when unlocking, and the handlebar straight tube can be made 180 ° of deviations downwards, be limited on the described front fork by holding; Before about in the described front component front end axle dress of chain stay be arranged on said front fork about before chain stay install on the axle bed; The afterbody axle dress that band upwarps end be arranged on said vehicle frame framework about before on the chain stay end axis dress hole; Described be provided with the front fork folder about before the front end axle dress of Dou fork be arranged on the said front fork about before tiltedly fork install on the axle bed; Tail end axle dress be arranged on said vehicle frame framework about before tiltedly on the fork end axle dress hole; On the inclined to one side front position, centre that Dou pitches before about described front fork folder is mounted on; With about before Dou fork be divided into front end downward bias pole and the rear end deviation bar that makes progress as required, about the end axle dress of described left and right sides front fork traction connecting strap is arranged on before on the leading section position of chain stay, tiltedly stick on the Spin Control axle of front fork folder before about other end axle is adorned and is arranged on; The tail end axle of the left and right sides back vent in described wheel assembly dress be arranged on the said vehicle frame framework about on the fork shaft dress hole, back; Be provided with the back vent folder about the front end axle dress of back Dou fork be arranged between the back vent of the said left and right sides about retread on the fork installation shaft; Tail end axle dress be arranged on said vehicle frame framework about retread on the end axis dress hole of fork, the back vent folder about described being mounted on the inclined to one side front position, centre of back Dou fork with about back Dou fork be divided into the outer end inside deviation bar of deviation bar and inner end that makes progress as required; The other end that described end axle dress is arranged on the left and right sides back vent traction connecting strap on the back vent folder control end with about before the afterbody of chain stay upwarp the end assembling and link to each other.

During work; When the front fork folder unlocks state; About before the rear end of the Dou fork deviation bar that makes progress can decorate around the tail end axle and upward deflect, front end downward bias pole around the axial deflect of front fork folder, and to the back-end upwards the deviation bar draw close, under the effect of left and right sides front fork traction connecting strap; Before about drive chain stay around the afterbody axle decorate synchronously upwards, deflect inward; The front fork of lower end band front vehicle wheel also synchronously to vehicle frame framework bias internal, under the effect of straight tube folder to front fork, the handlebar straight tube of drawing close and move in synchronously to handlebar that the handlebar straight tube is drawn close under the handlebar folder effect thereupon is accommodated in the case shell; But and insert door by the formula of moving in the free fall and seal; Meanwhile, about before chain stay around the afterbody axle decorate synchronously upwards, during deflect inward, about before the afterbody of chain stay upwarp end and deflect down; Traction drives the displacement of described left and right sides back vent traction connecting strap; The outer end of the sticking inside deviation bar of deviation bar and inner end that makes progress that retreads about unlocking, making is carried out deflection action synchronously so the back vent folder is controlled, and the inside deviation bar in the inner end fork end axle that retreads about on the vehicle frame framework is decorateeed to vehicle frame framework interior deflector, the outer end make progress the deviation bar around the back vent folder upward deflect, inside deviation bar is drawn close towards the inner end; Back vent axle on the vehicle frame framework under the outer end makes progress the traction of deviation bar in the left and right sides is decorateeed and is driven rear wheel and upward deflect synchronously; The back put in place by the limitation locking in addition automatically of the spacing latch in the folding lockout mechanism, whole locomotive body be accommodated in the case shell, but and insert door by the formula of moving in the free fall and seal; Constitute a car body all be accommodated in the portable casing, by the universal caster wheel supporting and help to move, be convenient to be positioned in the automobile trunk and carry through handle, or draw the practical box-type folding Electrical Bicycle of row, smooth in appearance and good looking appearance through the expansion link handle.During use, folding locking control is shaken hands, spacing latch promptly withdraws from, removes folding locking as long as pull out, and wheel assembly and front component are outer partially, the car body expansion is normal condition.

Based on the practical box-type folding Electrical Bicycle of the utility model of above-mentioned design; Because front component, wheel assembly, handlebar assembly are mounted on the vehicle frame framework through front component; And since be provided be convenient to left and right sides handlebar to handlebar straight tube deviation lean on the handlebar folder hold, be convenient to the handlebar straight tube to the straight tube folder of front fork deviation, be convenient to front component and wheel assembly and draw mutually and take in and spacing front fork folder, back vent folder and folding lockout mechanism to vehicle frame framework inside; Make each assembly organically rationally folding; Front and back wheel assembly mutual vent under folded state is arranged, and makes the car body overall volume after folding very little; Owing to adopt less, the lighter lithium cell of volume; And lithium cell and charger thereof, electric controller inlayed in the type groove that is arranged on the vehicle frame inner bag; And be arranged on the corresponding mount pad on the vehicle frame framework in company with vehicle frame inner bag fixed installation, the outside is covered by the vehicle frame outer cover, member is provided with reliably, the casing appearance is regular and smooth, clean and tidy; Good looking appearance; It is smooth without hindrance that car body is taken in cavity wall, and so front component and rear wheel assemblies folding or do not have any interference when launching are convenient folding, quick and reliable operation.So; The practical box-type folding Electrical Bicycle of the utility model has effectively overcome the weak point that the existing face shaping after folding of existing folding electric bicycle is irregular, volume is big, collect and carry equal inconvenience; Obviously has scientific structure and rationally distributed; Folding is all convenient and quick with expansion; Face shaping is regular and attractive in appearance, smooth surface and volume are less, collect, carry and use all easily actively technique effect, thereby very strong practicality and wide market application prospect are arranged.

Description of drawings

Fig. 1 is the overall structure scheme drawing of the utility model embodiment;

Fig. 2 is the car body basic structure scheme drawing of the utility model embodiment;

Fig. 3 is the car body lateral plan of Fig. 2;

Fig. 4 is the structural representation of vehicle frame framework among the utility model embodiment;

Fig. 5 is the car body folding state scheme drawing of the utility model embodiment;

Fig. 6 is the profile view of the utility model embodiment folded state.

Among the figure:

1. handlebar assembly 2. front components 3. wheel assemblies 4. chassis assemblies

5. power-driven mechanism 6. is ridden holder assembly 7. traffic warning light assemblies 8. left handlebars

9. right handlebar 10. handlebar straight tubes 11. handlebar folders 12. straight tubes bending control end

13. straight tube folder 14. sleeves 15. supporting bases 16. feets 17. front vehicle wheels

18. chain stay 20. front fork folder about 21. preceding Dou pitched before afterbody upwarped end about 19.

Chain stay is installed axle bed before the deviation bar 22. 21-1. front end downward bias pole 21-2. rear end makes progress

23. preceding Dou fork is installed axle bed 24. assembling ends 25. front-wheel installation shaft 26. front forks

The fork installation shaft 27. front fork traction connecting strap 28. rear wheels 29. trailing wheel installation shaft 30. are retreaded

The fork 33-1. outer end deviation bar that makes progress 31. back vent 32. back vent folder about 33. in the left and right sides retread

33-2. the inside deviation bar 34. back vents traction in inner end connecting strap 35. vehicle frame frameworks

36. framework inner bag 37. frame covers 38. folding lockout mechanisms

39. about before before the end axis dress hole about 40. of chain stay the end axis dress hole of Dou fork

The end axis dress hole 43. handle mount pads of fork 41. retread in the end axis of left and right sides back vent dress hole about 42.

44. expansion link mount pad 45. framework inner bag mount pads 46. folding lockout mechanism mount pads

47. universal caster wheel mount pad 48. electric controllers 49. lithium cell group and chargers thereof

50. nearly edge, front and back 51. electric-quantity display devices, 52. stretchers, 53. foldings locking control handle

54. on the formula of moving insert door 55. handles 56. expansion link handles 57. top blind flange 58. universal caster wheels

The specific embodiment

Below in conjunction with accompanying drawing and exemplary embodiments the utility model is described further.

In Fig. 1, Fig. 2, Fig. 3 and Fig. 4; The practical box-type folding Electrical Bicycle main body of the utility model comprises handlebar assembly 1, front component 2, wheel assembly 3, chassis assembly 4, include lithium battery group and charger, electric controller and be arranged on wheel hub motor on the hind axle, be arranged on the brake control member on the handlebar power-driven mechanism 5, include riding holder assembly 6 and including the conventional traffic warning light assembly 7 of headlight, steering indicating light and stoplight stop lamp of seat cushion and stretcher; Be characterised in that: comprise the left handlebar 8 that is provided with the band grip in the described handlebar assembly 1; The right handlebar 9 of last belt brake handle and speed change handle; Handlebar straight tube 10; Be arranged on the handlebar folder 11 of left handlebar 8, right handlebar 9 and handlebar straight tube 10 three junctions; And be arranged on handlebar straight tube 10 tail ends, on the straight tube folder 13 of straight tube bending control end 12, wherein said handlebar folder 11 by be arranged between left handlebar 8 and the right handlebar 9, by an end be provided with negative thread, the other end be provided with in sleeve 14, a fixed installation of convex collar be arranged on supporting base 15 on handlebar straight tube 10 tops, and about the two pairs one end axle dresses be arranged on the said supporting base 15, the other end respectively the axle dress feet 16 that is arranged on said left handlebar 8 and right handlebar 9 close end both sides constitute; Comprise the front vehicle wheel 17 that is provided with the band front fender in the described front component 2; Magnetic tape trailer portion upwarp the end 18 about before chain stay 19; Be provided with between the front position partially in the middle of near front fork folder 20 about before Dou fork 21; Before about being provided with the installation axle bed 22 of chain stay 19 with about before installation axle bed 23, the upper end of Dou fork 21 front fork 26 that the assembling end 24, the lower end that are provided with straight tube folder 13 are provided with the front-wheel installation shaft 25 of front vehicle wheel 17 is installed, and before about being separately positioned on chain stay 19 and about before flats left and right sides front fork traction connecting strap 27 between the Dou fork 21; Comprise in the described wheel assembly 3 and be provided with rear wheel 28; The top be provided with the left and right sides back vent 31 that being provided with the fork installation shaft 30 of retreading between the trailing wheel installation shaft 29 of wheel hub motor, disc brake dish, back mud plate and rear wheel, nearly midway location, near in the middle of partially the front position be provided with back vent folder 32 about the fork 33 that retreads, and end axle dress is arranged on the flats back vent traction connecting strap 34 on the control end of back vent folder 32; Comprise the folding lockout mechanism 38 that is provided with vehicle frame framework 35, framework inner bag 36, frame cover 37 and constitutes in the described chassis assembly 4 by the spacing latch and the compression spring of band handle, wherein: the end axis of chain stay dress hole 39 before about described vehicle frame framework 35 is provided with, about before the Dou fork end axis dress hole 40, left and right sides back vent end axis dress hole 41, about retread end axis dress hole 42, handle mount pad 43, expansion link mount pad 44, framework inner bag mount pad 45, folding lockout mechanism mount pad 46 and the universal caster wheel mount pad 47 of fork; Described framework inner bag 36 is close to inlay and is arranged on vehicle frame framework 35 outsides; Unimpeded opening shape, left and right sides wall was provided with and can supplies to install the concave spacing-type groove that electric controller 48, lithium cell group and charger 49 thereof are set before and after the two side, front and back was provided with and is, and nearly edge 50, the front and back of left and right sides wall is provided with the traffic warning light assembly 7 that comprises headlight, steering indicating light and stoplight stop lamp; Described frame cover 37 is close to and is arranged on vehicle frame inner bag 36 outsides; Constitute by left and right sides panel, front and back side plate and top blind flange 57; The left and right sides panel is provided with electric-quantity display device 51, stretcher 52, folding locking control handle 53 and charging inlet, and the front and back side plate is provided with the formula of moving and inserts door 54, stretches on the midway location of top blind flange 57 to put to be provided with handle 55; Top blind flange 57 is stretched to put with the handing-over corner of a left side or a right side left and right sides panel and is provided with scalable pull bar handle 56; Wherein said stretcher 52 is outside turnable, and described seat cushion is filled the post of by top blind flange 57, installs on the described universal caster wheel mount pad 47 and is provided with universal caster wheel 58.

Under confined state; Left handlebar 8 in the described handlebar assembly 1 and right handlebar 9 by sleeve 14 interconnection of handlebar folder 11, and interconnect through described feet 16 and supporting base 15 top ends with handlebar straight tube 10; When the bush whorl end of described handlebar folder 11 from left handlebar 8 or right handlebar 9 withdraw from, when unclamping, left handlebar 8 and right handlebar 9 can in company with handlebar feet 16 times partially, paste and hold the both sides that are limited in handlebar straight tube 10; Described straight tube folder 13 is mounted between the tail end and described front fork upper end of handlebar straight tube 10; Straight tube on straight tube folder 13 bending control end 12 unclamps, when unlocking, handlebar straight tube 10 can be made 180 ° of deviations downwards, be limited on the described front fork 26 by holding; Before about in the described front component 2 the front end axle dress of chain stay 19 be arranged on said front fork 26 about before chain stay install on the axle bed 22; Band upwarp end 18 afterbody axle dress be arranged on said vehicle frame framework 35 about before on the chain stay end axis dress hole 38; Described be provided with front fork folder 20 about before the front end axle dress of Dou fork 21 be arranged on the said front fork 26 about before tiltedly fork install on the axle bed 23; Tail end axle dress be arranged on said vehicle frame framework 35 about before tiltedly on the fork end axle dress hole 39; Before about described front fork folder 20 is mounted on the inclined to one side front position, centre of Dou fork 21; With about before Dou fork 21 be divided into front end downward bias pole 21-1 and the rear end deviation bar 21-2 that makes progress as required; Before about the one end axle dress of described left and right sides front fork traction connecting strap 27 is arranged on the leading section position of chain stay 19, about other end axle dress is arranged on before tiltedly on the fork 21 on the Spin Control axle of front fork folder 20; The tail end axle dress of the left and right sides back vent 31 in the described wheel assembly 3 is arranged on the end axis dress hole 41 of the left and right sides back vent on the said vehicle frame framework 35; Be provided with back vent folder 32 about the front end axle dress of back Dou fork 33 be arranged on 31 of said left and right sides back vents about retread on the fork installation shaft 30; Tail end axle dress be arranged on said vehicle frame framework 35 about retread on the end axis dress hole 42 of fork, the back vent folder 32 about described being mounted on the inclined to one side front position, centre of back Dou fork 33 with about back Dou fork 33 be divided into the outer end inside deviation bar of deviation bar 33-1 and the inner end 33-2 that makes progress as required; The other end that described end axle dress is arranged on the left and right sides back vent traction connecting strap 34 on back vent folder 32 control ends with about before the afterbody of chain stay 19 upwarp end 18 assemblings and link to each other.

In Fig. 5 and Fig. 6; During work; When front fork folder 20 unlocks state; About before the rear end of the Dou fork 21 deviation bar 21-2 that makes progress can decorate around the tail end axle and upward deflect; Front end downward bias pole 21-1 around the axial deflect of front fork folder 20, and to the back-end upwards deviation bar 21-2 draw close; Under the effect of left and right sides front fork traction connecting strap 27, about drive before chain stay 19 around the afterbody axle decorate synchronously upwards, deflect inward, the front fork 26 of lower end band front vehicle wheel 17 is also synchronously to vehicle frame framework 35 bias internals, moving in the handlebar that handlebar straight tube 10 is drawn close is synchronous thereupon down to handlebar straight tube 10 that front fork 26 is drawn close with in handlebar folder 11 effects under the effect of straight tube folder 13; Be accommodated in the case shell; But and insert door 54 by the formula of moving in the free fall and seal, meanwhile, about before chain stay 19 around the afterbody axle decorate synchronously make progress, during deflect inward; About before the afterbody of chain stay 19 upwarp end 18 and deflect down; Traction drives 34 displacements of described left and right sides back vent traction connecting strap, and outer end on the fork 33 inside deviation bar of deviation bar 33-1 and the inner end 33-2 that makes progress that retreads about unlocking, making carries out deflection action synchronously so back vent folder 32 is controlled, and inside deviation bar 33-2 fork 33 end axis that retread about on the vehicle frame framework 35 in inner end are decorateeed to vehicle frame framework 35 interior deflector; The outer end make progress deviation bar 33-1 around back vent folder 32 upward deflect, inside deviation bar 33-2 draws close towards the inner end; Left and right sides back vent 31 axle on vehicle frame framework 35 under the outer end makes progress the traction of deviation bar 33-1 is decorateeed and is driven rear wheel 28 and upward deflect synchronously, and the back that puts in place is accommodated in the case shell whole locomotive body by the limitation locking in addition automatically of the spacing latch in the folding lockout mechanism 38; But and insert door 54 by the formula of moving in the free fall and seal, constitutes the practical box-type folding Electrical Bicycle that a car body all is accommodated in inside and outside mass color cunning in suitcase chamber and good looking appearance.By universal caster wheel supporting and help and move, carry with handle 55, draw row with expansion link handle 56, pull out folding locking control handle 53, spacing latch promptly withdraws from, unlocks, outer inclined to one side, the car body expansion of wheel assembly 3 and front component 2 is normal condition.

Claims

1. practical box-type folding Electrical Bicycle; Include handlebar assembly (1), front component (2), wheel assembly (3), chassis assembly (4), include lithium battery group and charger, electric controller and be arranged on wheel hub motor on the hind axle, be arranged on the brake control member on the handlebar power-driven mechanism (5), include riding holder assembly (6) and including the conventional traffic warning light assembly (7) of headlight, steering indicating light and stoplight stop lamp of seat cushion and stretcher, it is characterized in that:

A. comprise the left handlebar (8) that is provided with the band grip in the described handlebar assembly (1); The right handlebar (9) of last belt brake handle and speed change handle; Handlebar straight tube (10); Be arranged on the handlebar folder (11) of left handlebar (8), right handlebar (9) and handlebar straight tube (10) three junction; And be arranged on handlebar straight tube (10) tail end, on the straight tube folder (13) of straight tube bending control end (12), wherein said handlebar folder (11) by be arranged between left handlebar (8) and the right handlebar (9), by an end be provided with negative thread, the other end be provided with in sleeve (14), a fixed installation of convex collar be arranged on supporting base (15) on handlebar straight tube (10) top, and about the two pairs one end axle dresses be arranged on that said supporting base (15) is gone up, the other end respectively the axle dress be arranged on feet (16) formation of said left handlebar (8) and right handlebar (9) close end both sides;

B. comprise the front vehicle wheel (17) that is provided with the band front fender in the described front component (2); Magnetic tape trailer portion upwarp end (18) about before chain stay (19); Be provided with between the front position partially in the middle of near front fork folder (20) about before Dou fork (21); Before about being provided with the installation axle bed (22) of chain stay (19) with about before installation axle bed (23), the upper end of Dou fork (21) front fork (26) that the assembling end (24), the lower end that are provided with straight tube folder (13) are provided with the front-wheel installation shaft (25) of front vehicle wheel (17) is installed, and before about being separately positioned on chain stay (19) with about before the flats left and right sides front fork pitched between (21) of Dou draw connecting strap (27);

C. comprise in the described wheel assembly (3) and be provided with rear wheel (28); The top be provided with the left and right sides back vent (31) that being provided with the fork installation shaft (30) of retreading between the trailing wheel installation shaft (29) of wheel hub motor, disc brake dish, back mud plate and rear wheel, nearly midway location, near in the middle of partially the front position be provided with back vent folder (32) about the fork (33) that retreads, and the flats back vent that end axle dress is arranged on the control end of back vent folder (32) draws connecting strap (34);

D. comprise the folding lockout mechanism (38) that is provided with vehicle frame framework (35), framework inner bag (36), frame cover (37) and constitutes in the described chassis assembly (4) by the spacing latch of band handle and compression spring, wherein: the end axis of chain stay dress hole (39) before about described vehicle frame framework (35) is provided with, about before the Dou fork end axis dress hole (40), left and right sides back vent end axis dress hole (41), about the retread end axis of fork adorn hole (42), handle mount pad (43), expansion link mount pad (44), framework inner bag mount pad (45), folding lockout mechanism mount pad (46) and universal caster wheel mount pad (47); Described framework inner bag (36) is close to inlay and is arranged on vehicle frame framework (35) outside; Unimpeded opening shape, left and right sides wall was provided with and can supplies the concave spacing-type groove that electric controller (48), lithium cell group and charger (49) thereof are set is installed before and after the two side, front and back was provided with and is, and nearly edge, the front and back of left and right sides wall (50) is provided with the traffic warning light assembly (7) that comprises headlight, steering indicating light and stoplight stop lamp; Described frame cover (37) is close to and is arranged on vehicle frame inner bag (36) outside; Constitute by left and right sides panel, front and back side plate and top blind flange (57); The left and right sides panel is provided with electric-quantity display device (51), stretcher (52), folding locking control handle (53) and charging inlet; The front and back side plate is provided with the formula of moving and inserts door (54); Stretch on the midway location of top blind flange (57) to put and be provided with handle (55), top blind flange (57) is stretched to put with the handing-over corner of a left side or a right side left and right sides panel and is provided with scalable pull bar handle (56), and wherein said stretcher (52) is outside turnable; Described seat cushion is filled the post of by top blind flange (57), and described universal caster wheel mount pad (47) is gone up to install and is provided with universal caster wheel (58).

2. practical box-type folding Electrical Bicycle according to claim 1; It is characterized in that left handlebar (8) and right handlebar (9) in the described handlebar assembly (1) by sleeve (14) interconnection of handlebar folder (11), and interconnect through the top ends of described feet (16) and supporting base (15) and handlebar straight tube (10); When the bush whorl end of handlebar folder (11) from left handlebar (8) or right handlebar (9) withdraw from, when unclamping, left handlebar (8) and right handlebar (9) can in company with handlebar feet (16) down partially, paste and hold the both sides that are limited in handlebar straight tube (10).

3. practical box-type folding Electrical Bicycle according to claim 1 is characterized in that described straight tube folder (13) is mounted between the upper end of tail end and said front fork (26) of handlebar straight tube (10).

4. practical box-type folding Electrical Bicycle according to claim 1; It is characterized in that in the described front component (2) about before the front end axle dress of chain stay (19) be arranged on the said front fork (26) about before chain stay install on the axle bed (22); The afterbody axle dress that band upwarps end (18) is arranged on said vehicle frame framework (35) go up about before the end axis of chain stay adorn on the hole (38); Described be provided with front fork folder (20) about before the front end axle dress of Dou fork (21) be arranged on the said front fork (26) about before tiltedly fork install on the axle bed (23); Tail end axle dress is arranged on said vehicle frame framework (35) go up about before tiltedly on the end axis dress hole (39) of fork; Dou pitches on the inclined to one side front position, centre of (21) before about described front fork folder (20) is mounted on; With about before Dou fork (21) be divided into front end downward bias pole (21-1) and the rear end deviation bar (21-2) that makes progress as required; On the leading section position of chain stay (19), preceding tiltedly fork (21) was gone up on the Spin Control axle of front fork folder (20) about other end axle dress was arranged on before about the one end axle dress of described left and right sides front fork traction connecting strap (27) is arranged on.

5. practical box-type folding Electrical Bicycle according to claim 1; The tail end axle dress that it is characterized in that the left and right sides back vent (31) in the described wheel assembly (3) is arranged on the end axis dress hole (41) of the last left and right sides of said vehicle frame framework (35) back vent; Be provided with back vent folder (32) about the front end axle dress of back Dou fork (33) be arranged between said left and right sides back vent (31) about retread on the fork installation shaft (30); Tail end axle dress is arranged on the end axis dress hole (42) of the fork that retreads about said vehicle frame framework (35) is gone up, the back vent folder (32) about described being mounted on the inclined to one side front position, centre of back Dou fork (33) with about back Dou fork (33) be divided into outer end make progress deviation bar (33-1) and the inside deviation bar in inner end (33-2) as required.

6. practical box-type folding Electrical Bicycle according to claim 1, it is characterized in that the other end that described end axle dress is arranged on the left and right sides back vent traction connecting strap (34) on back vent folder (32) control end with about before the afterbody of chain stay (19) upwarp end (18) and assemble and link to each other.