CN203888964U - Portable bevel gear driving electric bicycle with aluminum cast bicycle body - Google Patents

Abstract

A portable bevel gear driving electric bicycle with an aluminum cast bicycle body comprises an upper bicycle body, a lower bicycle body, a front frame, a bicycle seat linkage mechanism, a front fork, a V-shaped foldable handlebar, a front wheel, a back wheel, a driving mechanism and an electric driving system. A foldable box of the upper bicycle body and an upper connecting pipe are integrated. A gear box of the lower bicycle body, a lower connecting pipe and a back wheel fork are integrated. The back wheel is installed on the back wheel fork. A foldable saddle tube of the bicycle seat linkage mechanism can be folded. A seat tube folding blade is in linkage with a connecting rod and the front frame. According to the front fork, a single fork is connected with the front frame. The front wheel is installed on the front fork, and the handlebar is in a V shape and can be folded. According to the manpower driving mechanism, a preceding-stage bevel gear and a driving shaft are located on the gear box, a longitudinal transmission shaft, a preceding-stage angular wheel and a backward-stage bevel gear are located on the lower connecting pipe, a backward-stage angular wheel, a chain wheel and a transversal transmission shaft are located on the front portion of the back wheel fork, and two cranks are connected with the driving shaft and two pedals. According to the electric driving system, a hub motor is arranged on the front wheel, and a battery and a controller are placed in a rectangular pipe hole of a front pipe fitting of the front frame.

Description

Aluminium die casting vehicle body umbrella tooth transmission portable electric bicycle

technical field:

The utility model relates to a kind of folding portable type Electrical Bicycle, particularly a kind of aluminium die casting vehicle body umbrella tooth transmission portable electric bicycle.

background technology:

The quick-folding portable formula Electrical Bicycle that the design people formerly designs, although there is folding rate fast, also smallerly folding, due to reasons such as structures, outward appearance is unsatisfactory, outside particularly chain is exposed to, always allows people have a kind of not perfect sorry sensation.

utility model content:

The purpose of this utility model is will be on the basis of quick-folding portable formula Electrical Bicycle, improve, improve and improve, create and a kind of bevel gear and cone gear be arranged under body, and can not find out in appearance this manpower drive configuration and drive mechanism, adopt aluminium die casting vehicle body technique---aluminium die casting vehicle body umbrella tooth transmission portable electric bicycle.The purpose of this utility model is to realize like this, aluminium die casting vehicle body umbrella tooth transmission portable electric bicycle, comprise vehicle body, under body, side arm, vehicle seat link gear, front fork, V font folding hand handle, front-wheel, trailing wheel, man power driving mechanism and electric drive system, it is characterized in that: upper vehicle body is formed by folded box and upper connecting leg one, upper vehicle body also comprises vehicle body latch hook, the below of folded box is connected with connecting leg, the left and right sides of folded box forward lower comer has a pair of mutual to perforation, what folded box forward lower comer was mutual is that left hole is slightly forward to perforation, oblique to perforation after slightly leaning on of right ports, the left and right sides at folded box rear portion has a pair of mutual to perforation, the top of folded box is with a pair of mutual to the hole of piercing one's ears, folded box mutual in the hole of piercing one's ears by lock bolt be rotationally connected vehicle body latch hook, between vehicle body latch hook and the top of folded box, be connected with spring, under body is formed by gearcase, lower connecting leg and rear wheel fork one, under body also comprises lid and bearing backing member, gearcase connects lower connecting leg backward, the middle embedded bearing of the right flank of gearcase, the top of gearcase connects upper connecting leg, lid is stamped in the left side of gearcase, the middle embedded bearing of lid, lower connecting leg connects rear wheel fork backward, in the pore at lower connecting leg two, be respectively embedded with embedded bearing in a bearing backing member, bearing backing member, a bearing is respectively inlayed in the two sides of rear wheel fork front portion, and respectively there is a U-lag rear end that rear wheel fork two is pitched, and trailing wheel is installed on the rear end of rear wheel fork, side arm is by front pipe fitting, the folding leaf of front-axle beam pipe and beam pipe forms, front pipe fitting is the cut-out workpiece of the Al squeezing material of a rectangular tube and pipe combination, the bottom of front pipe fitting rectangle pore is connected with base plate, the top of front pipe fitting rectangle pore is connected with upper cover, the top of front pipe fitting connects front-axle beam pipe, the folding leaf of rear end tie-beam pipe of front-axle beam pipe, the forward lower comer of the folding leaf of beam pipe has slightly left front right back slanted apertures, there is a horizontal circle hole posterior angle of the folding leaf of beam pipe, the folding leaf of beam pipe laterally encloses the vertical groove that has in the middle of hole, the Qian Quan hole of the folding leaf of beam pipe is by mutual being rotationally connected boring a hole of lock bolt and folded box forward lower comer, the front upper angle of the folding leaf of beam pipe can be pinned by vehicle body latch hook, vehicle seat link gear comprises saddle, folding saddle pipe, seat pipe, the folding leaf of seat pipe and connecting rod, folding saddle pipe comprises folding leaf, lower folding leaf, semicircle lock shaft, safety plug, saddle pipe head and saddle pipe, upper folding leaf is to become configuration on one side, another side is the horizontal parts with two circles, folding Ye Shiyi is cut into the parts of flute profile down, there is mutual through circular hole at two of lower folding leaf flute profile two sides, there is a mutual through rectangular opening at the middle part of lower folding leaf flute profile two sides, one, lower folding leaf to wearing circular hole by lock bolt is rotationally connected to two horizontal circles of upper folding leaf, and is furnished with torsion spring, by semicircle lock shaft pack into lower folding leaf other end to wearing in circular hole, rotate the configuration limit that semicircle lock shaft can pin folded piece, by safety plug pack into lower folding leaf mutually to wearing in rectangular opening, and mix spring, the lock handle of safety plug and semicircle lock shaft coordinates, semicircle lock shaft can be located, saddle pipe head and upper folding leaf welding, saddle pipe and lower folding leaf welding, saddle is connected on saddle pipe head, saddle pipe is installed in a pipe, the folding leaf of side welding base pipe of seat pipe bottom, the folding leaf of seat pipe is up and down respectively with horizontal parts that enclose hole, the vertical groove that has in the middle of the folding leaf Xia Quan of seat pipe hole, the upper circle hole of the folding leaf of seat pipe is by mutual being rotationally connected boring a hole in lock bolt and folded box rear portion, connecting rod is the respectively parts with an oscillating bearing of two, connecting rod back oscillating bearing is by being connected with the Xia Quan hole of the folding leaf of seat pipe lock bolt, connecting rod front oscillating bearing is by being connected with the folding leaf Hou Quan of beam pipe hole lock bolt, front fork is the single tine that a pipe is pressed into wavy bending, front fork is rotationally connected by the Circular Tube With Hole of seven bowls and front pipe fitting, front-wheel is installed on front fork, V font folding hand handle is fixedly connected with front fork, V font folding hand handle is cup joint style lock-connecting piece V font folding hand handle, V font folding hand is comprising handgrip pedestal, U-lag plastic lining, left and right connects part, left and right handles, left lock-connecting piece, right lock-connecting piece, hole cylinder, quick detach, safety catch, inside extending tube and to lock bolt, handgrip pedestal is Intermediate Gray one circular hole, both sides are respectively with flute profile, two flute profiles are cut off workpiece near the inner side, both sides of bottom land with the Al squeezing material of convex tendon, two side lower parts of handgrip pedestal two flute profiles are respectively mutual to perforation with one, the bottom close-fitting of handgrip pedestal circular hole is socketed an interior poling, in two flute profiles of handgrip pedestal, respectively inlay and connect a U-lag plastic lining, left and right connects part and is fixedly connected on the bottom of left and right handles, left lock-connecting piece and right lock-connecting piece are welded in respectively the rear side of left and right handles bottom, left lock-connecting piece is one one-tenth flute profile, the both sides of flute profile with mutual to wearing the aluminum component of circular hole, right lock-connecting piece is the sliced pieces of the Al squeezing material of an Intermediate Gray U-lag, by left and right connect part by lock bolt be connected in handgrip pedestal two flute profile both sides to perforation, make two U-lag plastic linings in bottom and handgrip pedestal two flute profiles of left and right handles intermeshing, safety catch is the Plastic Parts with U-shaped card, safety catch is connected in the top of the rear side of handgrip pedestal the right groove, what left lock-connecting piece was mutual is rotationally connected hole cylinder to wearing circular hole, hole cylinder connects quick detach, quick disassemble lock is connected on right lock-connecting piece, and fast dismounting handle snaps in the U-shaped card of safety catch, interior poling passes through hanging bolt, Passscheiben and swollen plug, handgrip pedestal is fixed in the pore of front fork, man power driving mechanism comprises axle drive shaft, longitudinal drive shaft, laterally transmission shaft, crank, pedal, prime bevel gear, prime cone gear, rear class bevel gear, rear class cone gear, sprocket wheel, flywheel and chain, prime bevel gear is fastened to axle drive shaft, axle drive shaft penetrates in the bearing in gearcase and lid, longitudinal drive shaft penetrates in the bearing hole at lower connecting leg two, prime cone gear is fastened to longitudinal drive shaft front end, rear class bevel gear is fastened to longitudinal drive shaft rear end, rear class cone gear and sprocket wheel are fastened to the right head of horizontal transmission shaft, laterally transmission shaft two ends are installed in the two bearings of rear wheel fork front portion, two cranks are fixedly connected on the two ends of axle drive shaft, two pedals are connected in two cranks, chain is wire-wrapped in sprocket wheel and flywheel, electric drive system comprises wheel hub motor, battery, controller and master cock, and wheel hub motor is configured in front-wheel, and battery and controller are all placed in the rectangle pore of the front pipe fitting of side arm.

The beneficial effects of the utility model are: single tine before the utility model adopts, rear two fork, both considered that folding rear two-wheeled can relatively draw close, consider that again rear two fork can ensure intensity of the present utility model, upper vehicle body and under body all adopt aluminium diecasting, make the utility model good looking appearance, smooth and there is modern sense, man power driving mechanism has adopted longitudinal drive shaft to be arranged in lower connecting leg, with prime bevel gear, prime cone gear is arranged in gearcase, and back vent is anterior and middle part to the inside with edge, that manpower of the present utility model drives and drive mechanism has all obtained ideally hiding, wheel hub motor is arranged on to front-wheel, and battery and controller are arranged in the rectangle pore of front pipe fitting, make electric drive system of the present utility model seem more succinct.

brief description of the drawings:

Fig. 1 is the utility model structural representation

Fig. 2 is the organigram of vehicle body on the utility model

Fig. 3 is the organigram of the utility model under body

Fig. 4 is the schematic diagram of the utility model part driver train

Fig. 5 is the schematic diagram of the utility model vehicle seat link gear part-structure

Fig. 6 is the schematic diagram of the folding principle of the utility model vehicle seat link gear

Fig. 7 is the utility model folding process schematic diagram

Fig. 8 is the folding complete figure of the utility model

In figure: 1---upper vehicle body, 2---under body, 3---side arm, 4---vehicle seat link gear, 5---front fork, 6---V font folding hand handle, 71---front-wheel, 82---trailing wheel, 8---man power driving mechanism, 9---electric drive system; Wherein vehicle seat link gear 4 also comprises: 41---saddle, and 42---folding saddle pipe, 43---seat pipe, 44---the folding leaf of seat pipe, 45---connecting rod; Man power driving mechanism 8 also comprises: 811---axle drive shaft, 812---longitudinal drive shaft, 813---laterally transmission shaft, 821---crank, 822---pedal, 83---prime bevel gear, 84---prime cone gear, 85---rear class bevel gear, 86---rear class cone gear, 87---sprocket wheel, 88---flywheel, 89---chain; Electric drive system 9 also comprises: 91---wheel hub motor, and 92---battery, 93---controller, 94---master cock; Master cock 94 also comprises: 941---control lock, 942---and speed control crank, 943---power-off brake lever.

detailed description of the invention:

According to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, described aluminium die casting vehicle body umbrella tooth transmission portable electric bicycle, comprise vehicle body 1, under body 2, side arm 3, vehicle seat link gear 4, front fork 5, V font folding hand 6, front-wheel 7, trailing wheel 8, man power driving mechanism 8 and electric drive system 9;

Described upper vehicle body 1 comprises folded box, upper connecting leg and vehicle body latch hook, described folded box is front and back openings, top seal, below one connects the box-like aluminium diecasting of upper connecting leg, the left and right sides of described folded box forward lower comer has a pair of mutual to perforation, what described folded box forward lower comer was mutual is that left hole is slightly forward to perforation, oblique to perforation after slightly leaning on of right ports, the left and right sides at described folded box rear portion has a pair of mutual to perforation, the top one of described folded box is connected with the lug of a pair of horizontal correspondence, on a pair of lug of described folded box, have mutual to the hole of piercing one's ears, the front and back tube wall of described upper connecting leg bottom is thicker, on the front and back tube wall of connecting leg bottom, upwards respectively have a tapped bore on described, described vehicle body latch hook is zone circle hole, middle part, front lower place buckle, the aluminium extruded type blank of rear portion flats, the vertical slotted hole that has of described vehicle body latch hook rear portion flats, the circle hole of described vehicle body latch hook is by lock bolt and mutual being rotationally connected the hole of piercing one's ears of described folded box, penetrate in the slotted hole of described vehicle body latch hook with a bolt again, penetrate again in a little spring, be screwed into again the top of described folded box.

Described under body 2 comprises gearcase, lower connecting leg, rear wheel fork, lid and bearing backing member, described gearcase, described lower connecting leg is the aluminium diecasting that one is connected with described rear wheel fork, described gearcase becomes opening round box shape left, the front of described gearcase circle inwall, there is horizontal convex tendon back upper place and the back lower place, the centre of described gearcase left surface three convex tendon end faces, respectively have a tapped bore to the right, there is one bowl of type counterbore the centre of the right flank of described gearcase, in the middle of counterbore, it is through hole, embedded bearing in described gearcase bowl type counterbore, respectively there is a vertical through hole front and back at described gearcase top, the vertical through holes at described gearcase top is connected with the front and back tapped bore of described upper connecting leg bottom by two bolts, with the coherent described lower connecting leg of described gearcase, the front-end and back-end of pore are respectively embedded with a bearing backing member, described bearing backing member is that counterbore is connected with through hole, the outer warp that counterbore is one is with the nylon part of chimb, bearing backing member described in two is respectively inlayed a bearing, with the coherent described rear wheel fork of described lower connecting leg, respectively there is one bowl of type counterbore anterior both sides, in two bowls of type counterbores of described rear wheel fork, respectively inlay a bearing, there is inside chimb on described rear wheel fork upper top anterior and middle part, respectively there is a U-lag rear end that described rear wheel fork two is pitched, the U-lag of described rear wheel fork is for installing described trailing wheel 72, described trailing wheel 72 is inflated wheel of 10 inches, the left cap of described gearcase has described lid, there is one bowl of type counterbore the centre of described lid, embedded bearing in the bowl type counterbore of described lid, on described lid, be also symmetrically distributed with three connecting bores, three connecting bores of described lid are corresponding with the tapped bore of described gearcase left surface three convex tendon end faces, described lid is connected in the left side of described gearcase with three bolts by three connecting bores.

Described side arm 3 comprises front pipe fitting, front-axle beam pipe and beam pipe fold leaf, described front pipe fitting is the cut-out workpiece of a rectangular tube and a pipe combined aluminium extrusion section bar, the bottom of described front pipe fitting rectangle pore is connected with base plate, the top of described front pipe fitting rectangle pore is connected with upper cover, the described front-axle beam pipe of top welding of described front pipe fitting, the described folding leaf of beam pipe of rear end welding of described front-axle beam pipe, the folding leaf of described beam pipe is the cut-out workpiece of the Al squeezing material of triangularity frame shape, the forward lower comer of the folding leaf of described beam pipe has the slanted apertures after slightly left front rear right, there is a horizontal circle hole posterior angle of the folding leaf of described beam pipe, the folding leaf of described beam pipe laterally encloses the vertical groove that has in the middle of hole, the Qian Quan hole of the folding leaf of described beam pipe is by mutual being rotationally connected boring a hole of lock bolt and described folded box forward lower comer, in fluting in the He Quan hole, horizontal circle hole of the folding leaf of described beam pipe for connecting described connecting rod, the front upper angle of the folding leaf of described beam pipe can be pinned by described vehicle body latch hook.

Described vehicle seat link gear 4 comprises saddle 41, folding saddle pipe 42, seat pipe 43, the folding leaf 44 of seat pipe and connecting rod 45, described folding saddle pipe 42 comprises folding leaf, lower folding leaf, saddle pipe head, saddle pipe, semicircle lock shaft and safety plug, described upper folding leaf is that back becomes configuration, front is the horizontal parts with two circles, described folding leaf configuration on one side and half described circular shaft phase contract, the hole of described folding leaf two circles in front is same center of circle line, described saddle pipe head is upwards welded at the top of described upper folded piece, described saddle pipe head can be by the fixing interlocking of the pipe clamp of described saddle 41.

?described lower folding Ye Shiyi is cut into the parts of flute profile, two, front and back of described lower folding leaf flute profile two sides respectively has mutual to wearing circular hole, it is one mutual to wearing rectangular opening that the middle part of described lower folding leaf flute profile two sides has, described lower folding leaf front mutual to perforation by being rotationally connected wearing bolt and described folding leaf Liang Quan in front and a torsion spring, described saddle pipe is a metal circular tube, weld with described saddle pipe downwards the bottom of described saddle pipe, and described saddle pipe is installed in described seat pipe 43.

Described semicircle lock shaft, comprise half circular shaft, lock handle and packing ring, half described circular shaft is that blank, one end of the iron wire material of a semicircle shape has a tapped bore, the left head of described half circular shaft is connected with described lock handle, described lock handle can be that Al squeezing material slice processing forms, also can be that enhancing nylon plastic(s) is injection molded, described half circular shaft is penetrated in described gasket hole, penetrate from left to right more described lower folding leaf back mutual to wearing in circular hole, then the Bolt to position of screwing in the screw of described half circular shaft right-hand member.

Described safety plug, the pin, the crown portion that are a fan-shaped head are with a sulculus, the sulculus at described safety plug top and the lock handle of described semicircle lock shaft match, described safety plug can be that Al squeezing material slice processing forms, also can be that enhancing nylon plastic(s) is injection molded, described safety plug is penetrated to neutralizing in a spring wearing rectangular opening of described lower folding leaf central part, then at a top of a spring and the neck of the described safety plug stove bolt of screwing on, make described safety plug keep the upper shape that plays.

Described seat pipe 43, the side that is an aluminium pipe top has a groove, and be socketed a pipe clamp at top, the described folding leaf 44 of seat pipe of leading flank welding of described seat pipe 43 bottoms, the folding leaf 44 of described seat pipe be up and down respectively the Al squeezing material with a circle hole cut off workpiece, the vertical groove that has in the middle of the folding leaf of described seat pipe 44 Xia Quan holes, the upper perforation of the folding leaf 44 of described seat pipe is by mutual being rotationally connected boring a hole in lock bolt and described folded box rear portion, described connecting rod 45 is respectively parts with an oscillating bearing of two, the oscillating bearing at described connecting rod 45 two is oscillating bearings of 8 millimeters of endoporus φ, described connecting rod 45 back oscillating bearings are by being connected with the lower perforation of the folding leaf 44 of described seat pipe lock bolt, described connecting rod 45 front oscillating bearings are by being connected with the folding leaf Hou Quan of described beam pipe hole lock bolt.

Described front fork 5 is single tine shape front forks that front fork is connected with front fork tube one, described front fork 5 be with a metal circular tube be pressed into wavy bending, in pipe bottom tube hole, close-fitting is pressed into cylindrical metal part again, opening together a tapped bore in the related cylindrical metal part in side of described pipe bottom again forms, the top of described front fork 5 is rotationally connected by the Circular Tube With Hole of seven bowls and front pipe fitting, the front wheel spindle of described front-wheel 71 is fastened in the tapped bore of described front fork 5 bottoms, and described front-wheel 71 is one 10 inches of inflated wheel with wheel hub motor.

Described V font folding hand is 6, comprise handgrip pedestal, U-lag plastic lining, left and right connects part, left and right handles, left lock-connecting piece, right lock-connecting piece, hole cylinder, quick detach, safety catch, inside extending tube and to lock bolt, described handgrip pedestal, it is Intermediate Gray one circular hole, both sides are respectively with flute profile, two flute profiles are cut off workpiece near the inner side, both sides of bottom land with the Al squeezing material of convex tendon, two side lower parts of described handgrip pedestal two flute profiles are respectively mutual to perforation with one, one tapped bore is arranged at the top of described handgrip pedestal the right groove rear side, inside extending tube described in the bottom close-fitting socket one of described handgrip pedestal circular hole, described U-lag plastic lining is that upper middle part is that U-lag, bottom are that the both sides of flat-bottom slot, flat-bottom slot are with the mutual Plastic Parts to perforation, two outsides of described U-lag plastic lining are respectively with sulculus, described in two, the sulculus of U-lag plastic lining is corresponding to the convex tendon in handgrip pedestal flute profile described in two and be pushed in the flute profile of handgrip pedestal described in two, by U-lag plastic lining bottom described in two to perforation corresponding to the two flute profile both sides of handgrip pedestal described in two to perforation, the caliber of the U-lag of described U-lag plastic lining and described left and right handles matches.

Described left and right connects part, it is the workpiece of the Al squeezing material section of a bottom zone circle shape, described left and right connects the top of part, the cylinder that has Vehicle Processing to form, described left and right connects the cylinder, fixedly sleeved in the bottom of described left and right handles of part, the socket place that described left and right handles and described left and right connect part is equipped with a pin, and described left and right handles becomes that V font is lain prone outward, top is bending backward; Described left and right connect part by two pairs lock bolts be rotationally connected with described bottom, pedestal flute profile both sides to perforation in and described in two U-lag plastic lining bottom to bore a hole in.

Described left lock-connecting piece, it is one one-tenth flute profile, the both sides of flute profile with mutual to wearing the aluminum component of circular hole, described left lock-connecting piece is welded in the left hand of described left and right handles the rear side of bottom, described right lock-connecting piece, it is the sliced pieces of the Al squeezing material of an Intermediate Gray U-lag, described right lock-connecting piece is welded in the rear side of the right handgrip bottom of described left and right handles, the U-lag of described right lock-connecting piece is corresponding with the flute profile of described left lock-connecting piece, described hole cylinder, the side that is a metal cylinder has a pair of perforation, described hole cylinder penetrate described left lock-connecting piece up and down to wearing in circular hole, and mutual to wearing circular hole normal-running fit with described left lock-connecting piece, described quick detach is by a circle hook bolt, fast dismounting handle, pad, spring and Anti-slip nut form, eccentric orfice on described fast dismounting handle is rotationally connected by rivet and described circle hook bolt, described circle hook bolt penetrates described pad, penetrate again in a spring, penetrate again the hole cylinder side that is connected in the upper and lower circular hole of described left lock-connecting piece in perforation, and be arranged in the groove of described left lock-connecting piece, and then screw in described Anti-slip nut, described quick disassemble lock is connected in the U-lag of described right lock-connecting piece, described safety catch is the Plastic Parts with U-shaped card, connecting bore is arranged at the bottom of described safety catch U-shaped card, the connecting bore of described safety catch is bolted in the tapped bore of the rear upper lateral part of described handgrip pedestal the right groove, the U-shaped card of described safety catch is corresponding with the fast dismounting handle of described quick detach, and engaging.

Described man power driving mechanism 8 comprises axle drive shaft 811, longitudinal drive shaft 812, laterally transmission shaft 813, crank 821, pedal 822, prime bevel gear 83, prime cone gear 84, rear class bevel gear 85, rear class cone gear 86, sprocket wheel 87, flywheel 88 and chain 89, described prime bevel gear 83 is modification of nylon bevel gears of 2.5 modulus 30 teeth, there is metal insert the centre of described prime bevel gear 83, the center of metal insert is with anti-pitch thread hole, described prime bevel gear 83 is fastened on described axle drive shaft 811, described axle drive shaft 811 is the middle part anti-pitch threads that kept left, two ends are with square tenon, the columniform axle that bearing hole in two and described gearcase and described lid matches, two of described axle drive shaft 811 penetrates in the bearing in described gearcase and described lid, described longitudinal drive shaft 812 is axles of the anti-pitch thread of two ends band, described longitudinal drive shaft 812 penetrates in the bearing at described lower connecting leg two, described prime cone gear 84 is modification of nylon cone gears of 2.5 modulus 15 teeth, there is metal insert the centre of described prime cone gear 84, the center of metal insert is with anti-pitch thread hole, described prime cone gear 84 is fastened to the front end of described longitudinal drive shaft 812, described prime cone gear 84 and described prime bevel gear 83 engagement fit, described rear class bevel gear 85 is modification of nylon bevel gears of 2 modulus 30 teeth, there is metal insert the centre of described rear class bevel gear 85, the center of metal insert is with anti-pitch thread hole, described rear class bevel gear 85 is fastened to the rear end of described longitudinal drive shaft 812, described rear class cone gear 86 is modification of nylon cone gears of 2 mould 15 teeth, there is metal insert the centre of described rear class cone gear 86, the center of metal insert is threaded hole, the metal insert of described rear class cone gear 86 is fixedly connected with described sprocket wheel 87, sprocket wheel 87 described in described rear class cone gear 86 inconjunction withs is fastened to the right head of described horizontal transmission shaft 813, described horizontal transmission shaft 813 is right headband outside threads, the center of two ends end points is the axle with a tapped bore respectively, described sprocket wheel 87 is sprocket wheels of 4 point of 10 tooth, the two ends of described horizontal transmission shaft 813 penetrate in the bearing in the anterior two bowls of type counterbores of described rear wheel fork, respectively be fastened in the tapped bore at described horizontal transmission shaft 813 two ends with a pad with two bolts again, crank 821 described in two is fixedly connected on the square tenon at described axle drive shaft 811 two ends, pedal 822 described in two is connected on the crank 821 described in two, described pedal 822 is folding pedals, on sprocket wheel 87 described in described chain 89 is wire-wrapped in and described flywheel 88, described flywheel 88 is coupled flywheels of 4 point of 9 tooth.

Described electric drive system 9 comprises: wheel hub motor 91, battery 92, controller 93 and master cock 94, described wheel hub motor 91 is brushless hub electric motors, described wheel hub motor 91 configures combination with the wheel hub one of described front-wheel 71, described battery 92 is lithium cell groups of series connection, described controller 93 is brushless motor controllers, described battery 92 and described controller 93 are all positioned in the rectangle pore of described side arm 3 front pipe fittings, described master cock 94 comprises power supply control lock 941, speed control crank 942 and power-off brake lever 943, described power supply control lock 941 is installed on the top of the rectangular tube of described front pipe fitting 11, described speed control crank 942 is installed on the right handgrip of described left and right handles, described power-off brake lever 943 is installed on described left and right handles, described power supply control lock 941, described speed control crank 942 and described power-off brake lever 943, be connected with described controller 93 with connector by connection lead, described controller 93 is connected with described battery 92 and described wheel hub motor 91 by connection lead and connector.

Claims (10)

1. an aluminium die casting vehicle body umbrella tooth transmission portable electric bicycle, comprise vehicle body, under body, side arm, vehicle seat link gear, front fork, V font folding hand handle, front-wheel, trailing wheel, man power driving mechanism and electric drive system, it is characterized in that: upper vehicle body is formed by folded box and upper connecting leg one, upper vehicle body also comprises vehicle body latch hook, the below of folded box is connected with connecting leg, the left and right sides of folded box forward lower comer has a pair of mutual to perforation, what folded box forward lower comer was mutual is that left hole is slightly forward to perforation, oblique to perforation after slightly leaning on of right ports, the left and right sides at folded box rear portion has a pair of mutual to perforation, the top of folded box is with a pair of mutual to the hole of piercing one's ears, folded box mutual in the hole of piercing one's ears by lock bolt be rotationally connected vehicle body latch hook, between vehicle body latch hook and the top of folded box, be connected with spring, under body is formed by gearcase, lower connecting leg and rear wheel fork one, under body also comprises lid and bearing backing member, gearcase connects lower connecting leg backward, the middle embedded bearing of the right flank of gearcase, the top of gearcase connects upper connecting leg, lid is stamped in the left side of gearcase, the middle embedded bearing of lid, lower connecting leg connects rear wheel fork backward, in the pore at lower connecting leg two, be respectively embedded with embedded bearing in a bearing backing member, bearing backing member, a bearing is respectively inlayed in the two sides of rear wheel fork front portion, and respectively there is a U-lag rear end that rear wheel fork two is pitched, and trailing wheel is installed on the rear end of rear wheel fork, side arm is by front pipe fitting, the folding leaf of front-axle beam pipe and beam pipe forms, front pipe fitting is the cut-out workpiece of the Al squeezing material of a rectangular tube and pipe combination, the bottom of front pipe fitting rectangle pore is connected with base plate, the top of front pipe fitting rectangle pore is connected with upper cover, the top of front pipe fitting connects front-axle beam pipe, the folding leaf of rear end tie-beam pipe of front-axle beam pipe, the forward lower comer of the folding leaf of beam pipe has slightly left front right back slanted apertures, there is a horizontal circle hole posterior angle of the folding leaf of beam pipe, the folding leaf of beam pipe laterally encloses the vertical groove that has in the middle of hole, the Qian Quan hole of the folding leaf of beam pipe is by mutual being rotationally connected boring a hole of lock bolt and folded box forward lower comer, the front upper angle of the folding leaf of beam pipe can be pinned by vehicle body latch hook, vehicle seat link gear comprises saddle, folding saddle pipe, seat pipe, the folding leaf of seat pipe and connecting rod, folding saddle pipe comprises folding leaf, lower folding leaf, semicircle lock shaft, safety plug, saddle pipe head and saddle pipe, upper folding leaf is to become configuration on one side, another side is the horizontal parts with two circles, folding Ye Shiyi is cut into the parts of flute profile down, there is mutual through circular hole at two of lower folding leaf flute profile two sides, there is a mutual through rectangular opening at the middle part of lower folding leaf flute profile two sides, one, lower folding leaf to wearing circular hole by lock bolt is rotationally connected to two horizontal circles of upper folding leaf, and is furnished with torsion spring, by semicircle lock shaft pack into lower folding leaf other end to wearing in circular hole, rotate the configuration limit that semicircle lock shaft can pin folded piece, by safety plug pack into lower folding leaf mutually to wearing in rectangular opening, and mix spring, the lock handle of safety plug and semicircle lock shaft coordinates, semicircle lock shaft can be located, saddle pipe head and upper folding leaf welding, saddle pipe and lower folding leaf welding, saddle is connected on saddle pipe head, saddle pipe is installed in a pipe, the folding leaf of side welding base pipe of seat pipe bottom, the folding leaf of seat pipe is up and down respectively with horizontal parts that enclose hole, the vertical groove that has in the middle of the folding leaf Xia Quan of seat pipe hole, the upper circle hole of the folding leaf of seat pipe is by mutual being rotationally connected boring a hole in lock bolt and folded box rear portion, connecting rod is the respectively parts with an oscillating bearing of two, connecting rod back oscillating bearing is by being connected with the Xia Quan hole of the folding leaf of seat pipe lock bolt, connecting rod front oscillating bearing is by being connected with the folding leaf Hou Quan of beam pipe hole lock bolt, front fork is the single tine that a pipe is pressed into wavy bending, front fork is rotationally connected by the Circular Tube With Hole of seven bowls and front pipe fitting, front-wheel is installed on front fork, V font folding hand handle is fixedly connected with front fork, V font folding hand handle is cup joint style lock-connecting piece V font folding hand handle, V font folding hand is comprising handgrip pedestal, U-lag plastic lining, left and right connects part, left and right handles, left lock-connecting piece, right lock-connecting piece, hole cylinder, quick detach, safety catch, inside extending tube and to lock bolt, handgrip pedestal is Intermediate Gray one circular hole, both sides are respectively with flute profile, two flute profiles are cut off workpiece near the inner side, both sides of bottom land with the Al squeezing material of convex tendon, two side lower parts of handgrip pedestal two flute profiles are respectively mutual to perforation with one, the bottom close-fitting of handgrip pedestal circular hole is socketed an interior poling, in two flute profiles of handgrip pedestal, respectively inlay and connect a U-lag plastic lining, left and right connects part and is fixedly connected on the bottom of left and right handles, left lock-connecting piece and right lock-connecting piece are welded in respectively the rear side of left and right handles bottom, left lock-connecting piece is one one-tenth flute profile, the both sides of flute profile with mutual to wearing the aluminum component of circular hole, right lock-connecting piece is the sliced pieces of the Al squeezing material of an Intermediate Gray U-lag, by left and right connect part by lock bolt be connected in handgrip pedestal two flute profile both sides to perforation, make two U-lag plastic linings in bottom and handgrip pedestal two flute profiles of left and right handles intermeshing, safety catch is the Plastic Parts with U-shaped card, safety catch is connected in the top of the rear side of handgrip pedestal the right groove, what left lock-connecting piece was mutual is rotationally connected hole cylinder to wearing circular hole, hole cylinder connects quick detach, quick disassemble lock is connected on right lock-connecting piece, and fast dismounting handle snaps in the U-shaped card of safety catch, interior poling passes through hanging bolt, Passscheiben and swollen plug, handgrip pedestal is fixed in the pore of front fork, man power driving mechanism comprises axle drive shaft, longitudinal drive shaft, laterally transmission shaft, crank, pedal, prime bevel gear, prime cone gear, rear class bevel gear, rear class cone gear, sprocket wheel, flywheel and chain, prime bevel gear is fastened to axle drive shaft, axle drive shaft penetrates in the bearing in gearcase and lid, longitudinal drive shaft penetrates in the bearing hole at lower connecting leg two, prime cone gear is fastened to longitudinal drive shaft front end, rear class bevel gear is fastened to longitudinal drive shaft rear end, rear class cone gear and sprocket wheel are fastened to the right head of horizontal transmission shaft, laterally transmission shaft two ends are installed in the two bearings of rear wheel fork front portion, two cranks are fixedly connected on the two ends of axle drive shaft, two pedals are connected in two cranks, chain is wire-wrapped in sprocket wheel and flywheel, electric drive system comprises wheel hub motor, battery, controller and master cock, and wheel hub motor is configured in front-wheel, and battery and controller are all placed in the rectangle pore of the front pipe fitting of side arm.

2. aluminium die casting vehicle body umbrella tooth transmission portable electric bicycle according to claim 1, it is characterized in that: described folded box is front and back openings, top seal, below one connects the box-like aluminium diecasting of upper connecting leg, the top one of described folded box is connected with the lug of a pair of horizontal correspondence, on a pair of lug of described folded box, have mutual to the hole of piercing one's ears, the front and back tube wall of described upper connecting leg bottom is thicker, on the front and back tube wall of connecting leg bottom, upwards respectively have a tapped bore on described, described vehicle body latch hook is zone circle hole, middle part, front lower place buckle, the aluminium extruded type blank of rear portion flats, the vertical slotted hole that has of described vehicle body latch hook rear portion flats.

3. aluminium die casting vehicle body umbrella tooth transmission portable electric bicycle according to claim 1, it is characterized in that: described gearcase becomes opening round box shape left, the front of described gearcase circle inwall, there is horizontal convex tendon back upper place and the back lower place, the centre of described gearcase left surface three convex tendon end faces, respectively have a tapped bore to the right, there is one bowl of type counterbore the centre of the right flank of described gearcase, in the middle of counterbore, it is through hole, embedded bearing in described gearcase bowl type counterbore, respectively there is a vertical through hole front and back at described gearcase top, the vertical through holes at described gearcase top is connected with the front and back tapped bore of described upper connecting leg bottom by two bolts, described bearing backing member is that counterbore is connected with through hole, the outer warp that counterbore is one is with the nylon part of chimb, with the coherent described rear wheel fork of described lower connecting leg, respectively there is one bowl of type counterbore anterior both sides, in two bowls of type counterbores of described rear wheel fork, respectively inlay a bearing, there is inside chimb on described rear wheel fork upper top anterior and middle part, described trailing wheel is the inflated wheel of 10 inches, there is one bowl of type counterbore the centre of described lid, embedded bearing in the bowl type counterbore of described lid, on described lid, be also symmetrically distributed with three connecting bores, three connecting bores of described lid are corresponding with the tapped bore of described gearcase left surface three convex tendon end faces, described lid is connected in the left side of described gearcase with three bolts by three connecting bores.

4. aluminium die casting vehicle body umbrella tooth transmission portable electric bicycle according to claim 1, it is characterized in that: the folding leaf of described beam pipe is the cut-out workpiece of the Al squeezing material of triangularity frame shape, in the fluting in the He Quan hole, horizontal circle hole of the folding leaf of described beam pipe for connecting described connecting rod.

5. aluminium die casting vehicle body umbrella tooth transmission portable electric bicycle according to claim 1, it is characterized in that: described folding leaf configuration on one side and half described circular shaft phase contract, the hole of described folding leaf two circles in front is same center of circle line, described semicircle lock shaft, comprise half circular shaft, lock handle and packing ring, half described circular shaft is the blank of the iron wire material of a semicircle shape, one end has a tapped bore, the left head of described half circular shaft is connected with described lock handle, described half circular shaft is penetrated in described gasket hole, penetrate from left to right more described lower folding leaf back mutual to wearing in circular hole, the Bolt to position of screwing in the screw of described half circular shaft right-hand member again.

6. aluminium die casting vehicle body umbrella tooth transmission portable electric bicycle according to claim 1, it is characterized in that: described safety plug, the pin, the crown portion that are a fan-shaped head are with a sulculus, the sulculus at described safety plug top and the lock handle of described semicircle lock shaft match, described safety plug is penetrated to neutralizing in a spring wearing rectangular opening of described lower folding leaf central part from left to right, at a top of a spring and the neck of the described safety plug stove bolt of screwing on, make described safety plug keep the upper shape that plays again.

7. aluminium die casting vehicle body umbrella tooth transmission portable electric bicycle according to claim 1, it is characterized in that: described front fork is the single tine shape front fork that front fork is connected with front fork tube one, described front fork be with a metal circular tube be pressed into wavy bending, in pipe bottom tube hole, close-fitting is pressed into cylindrical metal part again, opening together a tapped bore in the related cylindrical metal part in side of described pipe bottom again forms, the front wheel spindle of front-wheel is fastened in the tapped bore of described front fork bottom, and described front-wheel is the 10 inch inflated wheel of one with wheel hub motor.

8. aluminium die casting vehicle body umbrella tooth transmission portable electric bicycle according to claim 1, it is characterized in that: described in two, the sulculus of U-lag plastic lining is corresponding to the convex tendon in handgrip pedestal flute profile described in two, and be pushed in the flute profile of handgrip pedestal described in two, by U-lag plastic lining bottom described in two to perforation corresponding to the two flute profile both sides of handgrip pedestal described in two to perforation, the caliber of the U-lag of described U-lag plastic lining and described left and right handles matches, described quick detach be connected in hole cylinder side in the upper and lower circular hole of described left lock-connecting piece in perforation, and be arranged in the groove of described left lock-connecting piece, described quick disassemble lock is connected in the U-lag of described right lock-connecting piece.

9. aluminium die casting vehicle body umbrella tooth transmission portable electric bicycle according to claim 1, it is characterized in that: described prime bevel gear is the modification of nylon bevel gear of 2.5 modulus 30 teeth, there is metal insert the centre of described prime bevel gear, the center of metal insert is with anti-pitch thread hole, described prime bevel gear is fastened on described axle drive shaft, described axle drive shaft is the middle part anti-pitch thread that kept left, two ends are with square tenon, the columniform axle that bearing hole in two and described gearcase and described lid matches, described longitudinal drive shaft is the axle of the anti-pitch thread of two ends band, described prime cone gear is the modification of nylon cone gear of 2.5 modulus 15 teeth, there is metal insert the centre of described prime cone gear, the center of metal insert is with anti-pitch thread hole, described prime cone gear and described prime bevel gear engagement fit, described rear class bevel gear is the modification of nylon bevel gear of 2 modulus 30 teeth, there is metal insert the centre of described rear class bevel gear, the center of metal insert is with anti-pitch thread hole, described rear class cone gear is the modification of nylon cone gear of 2 mould 15 teeth, there is metal insert the centre of described rear class cone gear, the center of metal insert is threaded hole, the metal insert of described rear class cone gear is fixedly connected with described sprocket wheel, sprocket wheel described in described rear class cone gear inconjunction with is fastened to the right head of described horizontal transmission shaft, described sprocket wheel is the sprocket wheel of 4 point of 10 tooth, described pedal is folding pedal, described flywheel is the coupled flywheel of 4 point of 9 tooth.

10. aluminium die casting vehicle body umbrella tooth transmission portable electric bicycle according to claim 1, it is characterized in that: described wheel hub motor is brushless hub electric motor, described battery is the lithium cell group of series connection, described controller is brushless motor controller, described master cock comprises power supply control lock, speed control crank and power-off brake lever, described power supply control lock is installed on the top of the rectangular tube of described front pipe fitting, described speed control crank is installed on the right handgrip of described left and right handles, described power-off brake lever is installed on described left and right handles, described power supply control lock, described speed control crank and described power-off brake lever, be connected with described controller with connector by connection lead, described controller is connected with described battery and described wheel hub motor by connection lead and connector.