CN203832666U - Portable electric pedal bike with plastic bike body - Google Patents

Abstract

The utility model provides a portable electric pedal bike with a plastic bike body. The portable electric pedal bike comprises a front frame, the bike body, a foldable connecting rod, a front fork, V-shaped foldable handle bars, a front wheel, a rear wheel, a manual drive mechanism and an electric drive system. An inclined bracing pipe of the front frame is welded to a front pipe and a first connecting lug, a second connecting lug is welded to the front pipe, a rear fork of the bike body is connected with the rear wheel, the bike body is connected with the first connecting lug and the foldable connecting rod, and the front fork is connected with the front pipe, the front wheel and the V-shaped foldable handle bars. The drive mechanism comprises foot bars, a connecting lug, pedals, a swing piece, a crankshaft sprocket, a front level auxiliary shaft, a rear level auxiliary shaft, a secondary sprocket, a front level gear, a rear level gear, a tertiary sprocket, a flywheel, a front level chain and a rear level chain. The drive mechanism is connected with the bike body and the rear wheel, a hub motor is arranged on the front wheel, and a battery and a controller are both placed in a rectangular pipe hole of the front pipe.

Description

Plastic body cover portable electric scooter

Technical field

The utility model relates to a kind of bipod the stand electronic scooter of riding, particularly a kind of plastic body cover portable electric scooter.

Background technology

The electronic scooter of quick-folding portable that the design people formerly designed, has solved some portable problems and folding speed issue, but volume after folding still more greatly, light and handy not, aspect portable still not as people's will.

Utility model content

The purpose of this utility model is will be on the basis of the electronic scooter of original quick-folding portable, designs a kind of plastic body cover portable electric scooter more easily that folds and launch more fast, carries.The purpose of this utility model is achieved in that plastic body cover portable electric scooter, comprise side arm, vehicle body, folding connecting rod, front fork, V font folding hand handle, front-wheel, trailing wheel, man power driving mechanism and electric drive system, it is characterized in that: side arm comprises front pipe fitting, down tube, the first engaging lug, the second engaging lug and folding fastener, 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, down tube is a rectangular tube, the first engaging lug is welded in the rear end of down tube, the front end of down tube is welded in the lower end of front pipe fitting pipe, the second engaging lug is welded in the top of down tube and front pipe fitting pipe weld, folding fastener is bolted in the rear side at front pipe fitting pipe top, vehicle body comprises main part, fix shaft, clutch shaft bearing, trim ring, two the second bearings, two the 3rd bearings and left and right back vent, main part is that modification strengthens nylon part, the right flank of main part has depression, the main part left surface that caves in anterior corresponding to main part has the first counterbore, main part the first counterbore is connected with through hole to the right, the left and right sides of the rear positions caving at main part, respectively there are the second counterbore and the 3rd counterbore in front and back, left and right two second counterbores between and between the 3rd counterbore of left and right two, be all connected with through hole, fix shaft is fixed on the front upper place of main part the first counterbore, the forward lower comer of main part has the first connecting bore, the second connecting bore is positioned at the back upper place of main part stationary positioned axle, main part rear portion is positioned at the front of the second counterbore and the 3rd counterbore, top, below and rear, laterally be embedded with four cylindricality nuts, clutch shaft bearing is embedded in the first counterbore of main part, fix trim ring at the left surface of the first counterbore again, for further fixing clutch shaft bearing, two second bearings are embedded in two second counterbores of main part, two the 3rd bearings are embedded in two the 3rd counterbores of main part, left and right back vent is all that modification strengthens nylon part, left and right back vent is all that outside is thrown, the box-like member of inner side depression, there are four connecting bores the front portion of left and right back vent, the tapped bore of four cylindricality nuts of four connecting bores and main part rear portions of back vent front portion, left and right is corresponding, the first connecting bore of main part is by being rotationally connected lock bolt and the first engaging lug, folding connecting rod comprises front rod, rear linking rod, snap close, little spring and ball-headed bolt, front rod is the respectively plastics rod like parts with a cross-perforating of below at front end and rear portion, there is a upper and lower through slotted hole at the rear portion of front rod, snap close and little spring are installed in the slotted hole of front rod, the front perforation of front rod is by being rotationally connected lock bolt and the second engaging lug, the rear perforation of front rod is rotationally connected by the engaging lug of the front end to lock bolt and rear linking rod, rear linking rod is the parts of the each welding in two ends one engaging lug of a rectangular tube, the top of rear linking rod rectangular tube front end is twisted and is connect a ball-headed bolt, the engaging lug of rear linking rod rear end is by being rotationally connected the second connecting bore of lock bolt and main part, the ball-headed bolt of rear linking rod top can be by the snap close interlocking on front rod, front fork is rotationally connected by seven bowls and front pipe fitting, front-wheel is installed on front fork, V font folding hand handle is fixedly connected with the front fork tube of front fork, man power driving mechanism comprises treadle, engaging lug, step, pendulum, crankshaft sprocket, prime countershaft, rear class countershaft, secondary sprocket wheel, prime gear, rear class gear, three grades of sprocket wheels, flywheel, prime chain and rear class chain, crankshaft sprocket is by sprocket wheel, bent axle in flakes, two nuts and two flat machine bolts form, sprocket wheel is that modification enhancing nylon is made, there are two hexagonal counterbores on the right side of sprocket wheel, two hexagonal counterbores respectively connect a through hole left, on sprocket wheel, also has a crankshaft hole, the left side of sprocket wheel has two halves columniform outstanding, groove between two semicircular cylindricality is corresponding with the external diameter of bent axle round steel in flakes, each nut that embeds in two hexagonal counterbores of sprocket wheel, bent axle is that a round steel is bent into zigzag in flakes, again with circular punching welding, respectively there is a tapped bore at the center of bent axle zigzag round steel two ends end points in flakes, in the circular punching of bent axle, there are in flakes two hole and holes of wearing bent axle of wearing bolt, by columniform sprocket wheel two halves outstanding penetrating left in the interior circular hole of clutch shaft bearing, the right-hand member of bent axle is in flakes penetrated to the crankshaft hole of sprocket wheel to the right and wins to the right, and the zigzag round steel of bent axle is in flakes closed up corresponding to the columniform groove of sprocket wheel two halves simultaneously, penetrate to the right in two of the circular punching of bent axle in flakes and wear in the hole of bolt and in two through holes of sprocket wheel with two flat machine bolts again, again with embed nut in two hexagonal counterbores of sprocket wheel and twist and connect, prime countershaft penetrates in the endoporus of two second bearings, secondary sprocket wheel is fastened to the right head of prime countershaft, prime gear is fastened to the left head of prime countershaft, rear class countershaft penetrates in the endoporus of two the 3rd bearings, three grades of sprocket wheels are fastened to the right head of rear class countershaft, rear class gear is fastened to the left head of rear class countershaft, flywheel is arranged on trailing wheel, trailing wheel is installed on the rear end of left and right back vent, left and right back vent is fixed by bolt and four, main part rear portion cylindricality nut, two of two treadles and fix shaft socket that rotates, two steps are installed on the rear end of two treadles, two engaging lugs are welded in below two treadle front portions, two pendulums are rotationally connected two engaging lugs, two pendulums are rotationally connected with respectively two of bent axle in flakes, prime chain is wire-wrapped on crankshaft sprocket and secondary sprocket wheel, rear class chain is wire-wrapped on three grades of sprocket wheels 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 front pipe fitting.

The beneficial effects of the utility model are: adopt side arm to be rotationally connected main part, folding connecting rod is rotationally connected side arm and main part, make the utility model folding quick, and simple structure again, intensity is high again, main part and back vent adopt modification to strengthen nylon and make, and the mode being bolted, having broken all people's power drives car all can not adopt the general layout of plastic body cover, and make production of the present utility model become easily simple, the crankshaft sprocket of man power driving mechanism is by sprocket wheel, bent axle forms in flakes, make the structure of crankshaft sprocket simpler, more reasonable, prime gear, rear class gear and secondary sprocket wheel, secondary sprocket wheel, flywheel lays respectively in the depression of back vent inner side, left and right, allow the gear of man power driving mechanism, sprocket wheel and chain are all hidden in the inner side of left and right back vent, make appearance effect of the present utility model better, battery and controller are all placed in the rectangle pore of front pipe fitting, front-wheel adopts 6 inches of wheel hub motor wheels, make the utility model simple and effective.

Brief description of the drawings

Fig. 1 is effect structure figure of the present utility model

Fig. 2 is the synthetic left view of the utility model part vehicle body and part driver train

Fig. 3 is the synthetic right elevation of the utility model part vehicle body and part driver train

Fig. 4 is the constructional drawing of the utility model folding connecting rod

Fig. 5 is the utility model vehicle body folding process schematic diagram

Fig. 6 is the folding complete design sketch of the utility model

In figure: 1---side arm, 2---vehicle body, 3---folding connecting rod, 4---front fork, 5---V font folding hand handle, 6---front-wheel, 7---trailing wheel, 8---man power driving mechanism, 9---electric drive system; Wherein side arm 1 also comprises: 11---front pipe fitting, and 12---down tube, 13---the first engaging lug, 14---the second engaging lug, 15---folding fastener; Vehicle body 2 also comprises: 21---main part, and 22---fix shaft, 23---clutch shaft bearing, 24---trim ring, 25---the second bearing, 26---the 3rd bearing, 27---left back fork, 28---right back fork; On main part 21, also include: 211---the first counterbore, 212---the second counterbore, 213---the 3rd counterbore, 214---the first connecting bore, 215---the second connecting bore; Folding connecting rod 3 also comprises: 31---front rod, and 32---rear linking rod, 33---snap close, 34---little spring, 35---ball-headed bolt; V font folding hand also comprises 5: 51---handgrip pedestal, 52---U-lag plastic lining, 531---the left part that connects, 532---the right part that connects, 541---left hand handle, 542---right handgrip, 55---to lock bolt, 561---left lock-connecting piece, 562---right lock-connecting piece, 57---hole cylinder, 58---quick detach, 59---safety catch; Man power driving mechanism 8 also comprises: 811---treadle, and 812---engaging lug, 813---step, 82---pendulum, 83---crankshaft sprocket, 841---prime countershaft, 842---rear class countershaft, 851---secondary sprocket wheel, 852---three grades of sprocket wheels, 861---prime gear, 862---rear class gear, 87---flywheel, 881---prime chain, 882---rear class chain; Crankshaft sprocket 83 also comprises: 831---sprocket wheel, and 832---bent axle in flakes,---nut,---flat machine bolt; 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, the electronic scooter of described fast folding portable, comprise side arm 1, vehicle body 2, folding connecting rod 3, front fork 4, V font folding hand 5, front-wheel 6, trailing wheel 7, man power driving mechanism 8 and electric drive system 9.

Described side arm 1 comprises front pipe fitting 11, down tube 12, the first engaging lug 13, the second engaging lug 14 and folding fastener 15, described front pipe fitting 11 is cut-out workpieces of a square tube and a pipe combined aluminium extrusion section bar, the bottom of described front pipe fitting 11 rectangle pores is connected with base plate, the top of described front pipe fitting 11 rectangle pores is connected with upper cover, described down tube 12 is that the rectangular tube at oblique angle is in the same way cut at a two, the front end of described down tube 12 upper and lower surfaces has all rushed arc opening, the front end of described down tube 12 is welded in the lower end of described front pipe fitting 11 pipes, the first described engaging lug 13 of rear end welding of described down tube 12, the second described engaging lug 14 is welded in the top of described down tube 12 and described front pipe fitting 11 pipe welds, the first described engaging lug 13 and the second described engaging lug 14, there is a mutual flute profile blanked part to perforation the two sides that are all flute profile, described folding fastener 15 is Plastic Parts of a flute profile, two inner sides at described folding fastener 15 slit opening places are with two convex tendons, two convex tendons of described folding fastener 15 can block the synthetic rear wheel cover in described left back fork 27 tops and described right back fork 28 tops after folding, the trough-shaped base section of described folding fastener 15 has a hole, the hole of described folding fastener 15 trough-shaped base section is bolted in the rear side at described front pipe fitting pipe 11 tops.

Described vehicle body 2 comprises main part 21, fix shaft 22, clutch shaft bearing 23, trim ring 24, the second bearing 25, the 3rd bearing 26, left back fork 27 and right back fork 28, described main part 21 is that modification strengthens nylon part, the right flank of described main part 21 has depression, there is the first counterbore 211 corresponding to anterior described main part 21 left surfaces of described main part 21 depression, described the first counterbore 211 is connected with through hole to the right, the surrounding of described main part 21 first counterbores 211 is laterally embedded with four cylindricality nuts, the left and right sides of the rear positions caving at described main part 21, respectively there are the second counterbore 212 and the 3rd counterbore 213 in front and back, described in left and right two between the second counterbore 212 and be all connected with through hole between the 3rd counterbore 213 described in left and right two, described fix shaft 22 fixedly casts from the front upper place of described main part 21 first counterbores 211, described fix shaft 22 is middle part axles with topping annular knurl, the center of the two ends end points of described fix shaft 22 is threaded hole, the forward lower comer of described main part 21 has the first connecting bore 214, the second connecting bore 215 is positioned at the back upper place of described main part 21 stationary positioned axles, described main part 21 rear portions are positioned at the front of the second counterbore 212 and the 3rd counterbore 213, top, below and rear, laterally be embedded with four cylindricality nuts, the front portion of described main part 21, also there is the reinforced rib of evagination the two sides at bottom and rear portion, described clutch shaft bearing 23 is embedded in the first counterbore 211 of main part, described clutch shaft bearing 23 is that external diameter is 85 millimeters of φ, internal orifice dimension is the deep groove ball bearing of 65 millimeters of φ, fix described trim ring 24 at the left surface of described main part 21 first counterbores 211 again, described trim ring 24 is circles of a nylon sheet, on described trim ring 24, be evenly distributed with four holes, four the cylindricality nuts of four holes of described trim ring 24 by the surrounding of bolt and described main part 21 first counterbores 211 twist connect fixing, further fixing described clutch shaft bearing 23, the second bearing 25 described in two is embedded in two second counterbores 212 of described main part 21, the 3rd bearing 26 described in two is embedded in two the 3rd counterbores 213 of described main part 21, the second described bearing 25 and the 3rd described bearing 26, all that external diameter is 28 millimeters of φ, internal orifice dimension is the deep groove ball bearing of 15 millimeters of φ, described left and right back vent is divided into left back fork 27 and right back fork 28, described left back fork 27 and described right back fork 28 are all that modification strengthens nylon part, described left back fork 27 and described right back fork 28 are all that outside is thrown, the box-like member of inner side depression, there are four connecting bores the front portion of described left back fork 27 and described right back fork 28, four connecting bores of described left back fork 27 and described right back fork 28 front portions are corresponding with the tapped bore of described main part 21 four the cylindricality nuts in rear portion, the inner side at the rear portion of described left back fork 27 and described right back fork 28 is all embedded with sheetmetal, the rear end of described left back fork 27 and described right back fork 28, with the sheetmetal rear end of inner side at rear portion that embeds described left back fork 27 and described right back fork 28, there is U-lag, using the notch as described trailing wheel 7 is installed, the top of described left back fork 27 and described right back fork 28 is respectively connected with the wheel cover of half sheet trailing wheel, on the wheel cover of the trailing wheel of described left back fork 27 and described right back fork 28, respectively there is the perforation of two extension bolts, the inner side of described left back fork 27 and described right back fork 28 is also distributed with longitudinal and vertical reinforced rib, the first connecting bore 214 of described main part 21 is by being rotationally connected boring a hole lock bolt and described the first engaging lug 13.

Described folding connecting rod 3 comprises front rod 31, rear linking rod 32, snap close 33, little spring 34 and ball-headed bolt 35, described front rod 31 is the respectively enhancing of the modification with the cross-perforating nylon rod like parts of below at front end and rear portion, there is a upper and lower through slotted hole at the rear portion of described front rod 31, the bottom of described front rod 31 slotted holes is connected with the depression of flute profile, snap close 33 and little spring 34 are installed in the slotted hole of described front rod 31, described snap close 33 is by push button, locking plate and tie bolt form, push button is that the front portion of oval sheet bottom surface has the outstanding Plastic Parts of a square-tube-shaped, the outstanding square-tube-shaped of push button is put into the rear end of front rod slotted hole downwards, again little spring 34 is put into from bottom to top to the slotted hole of described front rod 31, and the front end in the outstanding square-tube-shaped of push button and described front rod 31 slotted holes is being hanged down at the two that makes little spring 34, again locking plate is combined on the outstanding square-tube-shaped of push button, penetrate with tie bolt in the hole of locking plate, and be fastened in the pore of the outstanding square-tube-shaped of push button, make little spring 34 be positioned the front portion of locking plate, in the front portion of push button and the slotted hole of front rod, locking plate is slided in the groove-shaped depression of bottom of described front rod 31 slotted holes, the front perforation of described front rod 31 is by being rotationally connected lock bolt and described the second engaging lug 14, the rear perforation of described front rod 31 is by being rotationally connected the engaging lug of lock bolt and described rear linking rod 32 front ends, described rear linking rod 32 is parts of the each welding in two ends one engaging lug of a rectangular tube, it is one mutual to perforation that the two sides of described rear linking rod 32 front and back end two engaging lugs respectively have, the top of described rear linking rod 32 rectangular tube front ends is twisted and is connect a ball-headed bolt 35, the engaging lug of described rear linking rod 32 rear ends is by being rotationally connected the second connecting bore 215 of lock bolt and described main part 21, the ball-headed bolt 35 of described rear linking rod 32 tops can be connected to described snap close 33 interlockings on described front rod 31.

Described front fork 4 comprises Y-piece and front fork tube, Y-piece is by the workpiece of two sections of semicircle aluminum pipes, be welded with a cast aluminum component, the notch of U-shaped is flattened and rushed in two lower ends of described Y-piece, the lower end close-fitting socket of the circle hole of Y-piece cast aluminum component and front fork tube, front fork tube is the threaded pipe in top, described front fork 4 is rotatably connected by seven bowls and described front pipe fitting 11, described front-wheel 6 is installed in the U-lag mouth of 4 liang of lower ends of described front fork, described front-wheel 6 is 6 inches of wheels with described wheel hub motor 91, described trailing wheel 7 is installed in the U-lag mouth of described left back fork 27 and 28 liang of rear ends of described right back fork, described trailing wheel 7 is 8 inches of wheels.

Described V font folding hand, 5, comprises handgrip pedestal 51, inside extending tube, U-lag plastic lining 52, the left part 531 that connects, the right part 532 that connects, left hand is 541, right handgrip 542, to lock bolt 55, left lock-connecting piece 561, right lock-connecting piece 562, hole cylinder 57, quick detach 58, safety catch 59, described handgrip pedestal 51, 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 51 liang of flute profiles of described handgrip pedestal are respectively mutual to perforation with one, one tapped bore is arranged at the top of described handgrip pedestal 51 the right groove rear sides, inside extending tube described in the bottom close-fitting socket one of described handgrip pedestal 41 circular holes, described U-lag plastic lining 52 is that upper middle part is U-lag, bottom is flat-bottom slot, the both sides of flat-bottom slot are with mutually to the Plastic Parts of boring a hole, and two outsides of described U-lag plastic lining 52 are respectively with sulculus, and described in two, the sulculus of U-lag plastic lining 52 is corresponding to the convex tendon in handgrip pedestal 51 flute profiles described in two, and be pushed in the flute profile of handgrip pedestal 51 described in two, by U-lag plastic lining 52 bottoms described in two to perforation corresponding to 51 liang of flute profile both sides of handgrip pedestal described in two to perforation, the U-lag of described U-lag plastic lining 52 and described left hand 541 and the caliber of described right handgrip 542 match.

Described left part 531 and the described right part 532 that connects of connecting, it is the workpiece of the Al squeezing material section of a bottom zone circle shape, described left part 531 and the described right top that connects part 532 of connecting, the cylinder that has a Vehicle Processing to form, described left part 531 and the described right cylinder that connects part 532 of connecting, respectively fixedly sleeved in described left hand 541 and the bottom of described right handgrip 542, described left hand is equipped with a pin 541 with the described left socket place that connects part 531, described right handgrip 542 is equipped with a pin with the described right socket place that connects part 532, described left hand 541 and described right handgrip 542 be that top is bending backward, described in two to lock bolt 55, by described left connect part 531 and described right connect part 532 be rotationally connected with respectively described pedestal 51 flute profile two side lower parts in boring a hole, with U-lag plastic lining 52 bottoms described in two to perforation in.

Described left lock-connecting piece 561, 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 561 is welded in described left hand the rear side of 541 bottoms, described right lock-connecting piece 562, it is the sliced pieces of the Al squeezing material of an Intermediate Gray U-lag, described right lock-connecting piece 562 is welded in the rear side of described right handgrip 542 bottoms, the U-lag of described right lock-connecting piece 562 is corresponding with the flute profile of described left lock-connecting piece 561, described hole cylinder 57, the side that is a metal cylinder has a pair of perforation, described hole cylinder 57 penetrate described left lock-connecting piece 561 up and down to wearing in circular hole, and mutual to wearing circular hole normal-running fit with described left lock-connecting piece 561, described quick detach 58 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 be again connected in described left lock-connecting piece Shang Xia 561 hole cylinder 57 sides in circular hole to perforation in, and be arranged in the groove of described left lock-connecting piece 561, and then screw in described Anti-slip nut, described quick detach 58 interlockings are in the U-lag of described right lock-connecting piece 562, described safety catch 59 is the Plastic Parts with U-shaped card, connecting bore is arranged at the bottom of described safety catch 59 U-shaped cards, the connecting bore of described safety catch 59 is bolted in the tapped bore of the rear upper lateral part of described handgrip pedestal 51 the right grooves, the U-shaped card of described safety catch 59 is corresponding with the fast dismounting handle of described quick detach 58, and engaging.

Described man power driving mechanism 8 comprises treadle 811, engaging lug 812, step 813, pendulum 82, crankshaft sprocket 83, prime countershaft 841, rear class countershaft 842, secondary sprocket wheel 851, three grades of sprocket wheels 852, prime gear 861, rear class gear 862, flywheel 87, prime chain 881 and rear class chain 882, described bent axle 83 sprocket wheels are by sprocket wheel 831, bent axle 832 in flakes, two nuts and two flat machine bolts form, described sprocket wheel 831 is that three point of 20 octadentate modification strengthens nylon sprocket wheel, there are two hexagonal counterbores on the right side of described sprocket wheel 831, two hexagonal counterbores respectively connect a through hole left, on described sprocket wheel 831, also has a crankshaft hole, there are two circles on the left side of described sprocket wheel 831 through giving prominence to for the semi-cylindrical of 65 millimeters of φ, groove between described sprocket wheel 831 two semicircular cylindricalitys is corresponding with the external diameter of described 832 round steel of bent axle in flakes, each nut that embeds in two hexagonal counterbores of described sprocket wheel 831, described bent axle in flakes 832 is that a round steel is bent into zigzag, again with circular punching welding, respectively there is a tapped bore at the center of the described 832 zigzag round steel two ends end points of bent axle in flakes, in the circular punching of described bent axle in flakes 832, there are two hole and holes of wearing bent axle of wearing bolt, by columniform described sprocket wheel 831 two halves outstanding penetrating left in the interior circular hole of described clutch shaft bearing 23, the right-hand member of described bent axle in flakes 832 is penetrated to the crankshaft hole of described sprocket wheel 831 to the right and wins to the right, and the zigzag round steel of described bent axle in flakes 832 is closed up corresponding to the columniform groove of described sprocket wheel 831 two halves simultaneously, penetrate to the right in two of the described 832 circular punchings of bent axle in flakes and wear in the hole of bolt with two flat machine bolts again, in two through holes of described sprocket wheel 831, again with embed nut in two hexagonal counterbores of described sprocket wheel 832 and twist and connect, be installed on the described crankshaft sprocket 83 after described clutch shaft bearing 23, be arranged in the front portion of described main part 21 depressions, described prime countershaft 841 is middle part cylinders for 15 millimeters of φ, two one is connected with the anti-tooth bolt of M12, described prime countershaft 841 penetrates in the endoporus of the second bearing 25 described in two, described secondary sprocket wheel is the sprocket wheel 851 of three point of ten tooth, the axle center hole of described secondary sprocket wheel 851 has the anti-pitch thread hole of M12, described secondary sprocket wheel 851 is fastened to the right head of described prime countershaft 841, with the described secondary sprocket wheel 851 after stubborn the connecing of described prime countershaft 841, be arranged in the rear portion of described main part 21 depressions, described prime gear 861 is that the modification of two mould 20 octadentates strengthens nylon straight-tooth gear, the axis part of described prime gear 861 is inlaid with barrel, the tapped bore of described prime gear 861 barrels is corresponding with the anti-tooth bolt of 841 1 of described prime countershafts, described prime gear 861 is fastened to the left head of described prime countershaft 841, described rear class countershaft 842 is middle part cylinders for 15 millimeters of φ, two one is connected with the anti-tooth bolt of M12, described rear class countershaft 842 penetrates in the endoporus of the 3rd bearing 26 described in two, and make the right head of described rear class countershaft 842 cylinders win to the right in the endoporus of described the 3rd bearing 26, a lining ring on the right headgear of described rear class countershaft 842 cylinders again, again three grades of described sprocket wheels 852 are fastened to the right head of described rear class countershaft 842, three grades of described sprocket wheels that sprocket wheel 852 is four point of 13 tooth, the axle center hole of three grades of described sprocket wheels 852 has the anti-pitch thread hole of M12, described rear class gear 862 is Al squeezing material straight gears of two mould ten bidentates, the axle center hole of described rear class gear 862 has the anti-pitch thread hole of M12, described rear class gear 862 is fastened to the left head of described rear class countershaft 842, described flywheel 87 is flywheels of four point of ten bidentate, described flywheel 87 is arranged on described trailing wheel 7, described left back fork 27 and described right back fork 28 are fixed by bolt and four, 21 rear portion of described main part cylindricality nut, and allow described prime gear 861 and described rear class gear 862 be arranged in the front portion of described left back fork 27 inner side depressions, allow three grades of described sprocket wheels 852 be arranged in the front portion of described right back fork 28 inner side depressions, described treadle 811 is metal tubes of each vertical welding Yi Duan garden, front and back end pipe, in the short Circular Tube With Hole of described treadle 811 rear ends, be tapping into tapped bore, the bottom surface of described treadle 811 front portions is welded with engaging lug 812, described engaging lug 812 is that bottom is with the mutual flute profile stamping to perforation, two of 811 points of left and right of described treadle, 813 points of left and right of step described in two are fastened in the tapped bore of treadle 811 rear ends described in two, the front pore of treadle 811 and two of described fix shaft 22 socket that rotates described in two, then in the tapped bore at described fix shaft 22 two ends, respectively coordinate a pad to twist with a bolt and connect wherein location, pendulum 82 described in two by two pairs lock bolts be rotationally connected with engaging lug described in two 812 to perforation in, described pendulum 82 is aluminium extruded type sliced pieces of 8-shaped, in two holes of 8 word slices, each Inlaid mono-bearing forms, two of bent axle 832 in flakes described in pendulum 82 described in two is socketed on respectively, then in the tapped bore at described bent axle in flakes 832 two ends, respectively twist and connect wherein location with a bolt, on crankshaft sprocket 83 described in described prime chain 881 is wire-wrapped in and described secondary sprocket wheel 851, and be arranged in the depression of described main part 21, described rear class chain 882 is wire-wrapped on described three grades of sprocket wheels 852 and described flywheel 87, and cave in the inner side that is arranged in described right back fork 28.

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 6, 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 front pipe fitting 11, 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 described right handgrip 542, described power-off brake lever 943 is installed on described left hand on 541 and on described right handgrip 542, 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. plastic body cover portable electric scooter, comprise side arm, vehicle body, folding connecting rod, front fork, V font folding hand handle, front-wheel, trailing wheel, man power driving mechanism and electric drive system, it is characterized in that: side arm comprises front pipe fitting, down tube, the first engaging lug, the second engaging lug and folding fastener, 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, down tube is a rectangular tube, the first engaging lug is welded in the rear end of down tube, the front end of down tube is welded in the lower end of front pipe fitting pipe, the second engaging lug is welded in the top of down tube and front pipe fitting pipe weld, folding fastener is bolted in the rear side at front pipe fitting pipe top, vehicle body comprises main part, fix shaft, clutch shaft bearing, trim ring, two the second bearings, two the 3rd bearings and left and right back vent, main part is that modification strengthens nylon part, the right flank of main part has depression, the main part left surface that caves in anterior corresponding to main part has the first counterbore, main part the first counterbore is connected with through hole to the right, the left and right sides of the rear positions caving at main part, respectively there are the second counterbore and the 3rd counterbore in front and back, left and right two second counterbores between and between the 3rd counterbore of left and right two, be all connected with through hole, fix shaft is fixed on the front upper place of main part the first counterbore, the forward lower comer of main part has the first connecting bore, the second connecting bore is positioned at the back upper place of main part stationary positioned axle, main part rear portion is positioned at the front of the second counterbore and the 3rd counterbore, top, below and rear, laterally be embedded with four cylindricality nuts, clutch shaft bearing is embedded in the first counterbore of main part, fix trim ring at the left surface of the first counterbore again, for further fixing clutch shaft bearing, two second bearings are embedded in two second counterbores of main part, two the 3rd bearings are embedded in two the 3rd counterbores of main part, left and right back vent is all that modification strengthens nylon part, left and right back vent is all that outside is thrown, the box-like member of inner side depression, there are four connecting bores the front portion of left and right back vent, the tapped bore of four cylindricality nuts of four connecting bores and main part rear portions of back vent front portion, left and right is corresponding, the first connecting bore of main part is by being rotationally connected lock bolt and the first engaging lug, folding connecting rod comprises front rod, rear linking rod, snap close, little spring and ball-headed bolt, front rod is the respectively plastics rod like parts with a cross-perforating of below at front end and rear portion, there is a upper and lower through slotted hole at the rear portion of front rod, snap close and little spring are installed in the slotted hole of front rod, the front perforation of front rod is by being rotationally connected lock bolt and the second engaging lug, the rear perforation of front rod is rotationally connected by the engaging lug of the front end to lock bolt and rear linking rod, rear linking rod is the parts of the each welding in two ends one engaging lug of a rectangular tube, the top of rear linking rod rectangular tube front end is twisted and is connect a ball-headed bolt, the engaging lug of rear linking rod rear end is by being rotationally connected the second connecting bore of lock bolt and main part, the ball-headed bolt of rear linking rod top can be by the snap close interlocking on front rod, front fork is rotationally connected by seven bowls and front pipe fitting, front-wheel is installed on front fork, V font folding hand handle is fixedly connected with the front fork tube of front fork, man power driving mechanism comprises treadle, engaging lug, step, pendulum, crankshaft sprocket, prime countershaft, rear class countershaft, secondary sprocket wheel, prime gear, rear class gear, three grades of sprocket wheels, flywheel, prime chain and rear class chain, crankshaft sprocket is by sprocket wheel, bent axle in flakes, two nuts and two flat machine bolts form, sprocket wheel is that modification enhancing nylon is made, there are two hexagonal counterbores on the right side of sprocket wheel, two hexagonal counterbores respectively connect a through hole left, on sprocket wheel, also has a crankshaft hole, the left side of sprocket wheel has two halves columniform outstanding, groove between two semicircular cylindricality is corresponding with the external diameter of bent axle round steel in flakes, each nut that embeds in two hexagonal counterbores of sprocket wheel, bent axle is that a round steel is bent into zigzag in flakes, again with circular punching welding, respectively there is a tapped bore at the center of bent axle zigzag round steel two ends end points in flakes, in the circular punching of bent axle, there are in flakes two hole and holes of wearing bent axle of wearing bolt, by columniform sprocket wheel two halves outstanding penetrating left in the interior circular hole of clutch shaft bearing, the right-hand member of bent axle is in flakes penetrated to the crankshaft hole of sprocket wheel to the right and wins to the right, and the zigzag round steel of bent axle is in flakes closed up corresponding to the columniform groove of sprocket wheel two halves simultaneously, penetrate to the right in two of the circular punching of bent axle in flakes and wear in the hole of bolt and in two through holes of sprocket wheel with two flat machine bolts again, again with embed nut in two hexagonal counterbores of sprocket wheel and twist and connect, prime countershaft penetrates in the endoporus of two second bearings, secondary sprocket wheel is fastened to the right head of prime countershaft, prime gear is fastened to the left head of prime countershaft, rear class countershaft penetrates in the endoporus of two the 3rd bearings, three grades of sprocket wheels are fastened to the right head of rear class countershaft, rear class gear is fastened to the left head of rear class countershaft, flywheel is arranged on trailing wheel, trailing wheel is installed on the rear end of left and right back vent, left and right back vent is fixed by bolt and four, main part rear portion cylindricality nut, two of two treadles and fix shaft socket that rotates, two steps are installed on the rear end of two treadles, two engaging lugs are welded in below two treadle front portions, two pendulums are rotationally connected two engaging lugs, two pendulums are rotationally connected with respectively two of bent axle in flakes, prime chain is wire-wrapped on crankshaft sprocket and secondary sprocket wheel, rear class chain is wire-wrapped on three grades of sprocket wheels 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 front pipe fitting.

2. plastic body cover portable electric scooter according to claim 1, it is characterized in that: described down tube is that the rectangular tube at oblique angle is in the same way cut at a two, the front end of described down tube upper and lower surface has all rushed arc opening, the first described engaging lug and the second described engaging lug, there is a mutual flute profile blanked part to perforation the two sides that are all flute profile, described folding fastener is the Plastic Parts of a flute profile, two inner sides at described folding fastener slit opening place are with two convex tendons, two convex tendons of described folding fastener can block the synthetic rear wheel cover in back vent top, described left and right after folding.

3. plastic body cover portable electric scooter according to claim 1, it is characterized in that: the surrounding of described main part the first counterbore is laterally embedded with four cylindricality nuts, described fix shaft is the axle of middle part with topping annular knurl, the center of the two ends end points of described fix shaft is threaded hole, the front portion of described main part, also there is the reinforced rib of evagination the two sides at bottom and rear portion, described clutch shaft bearing is that external diameter is 85 millimeters of φ, internal orifice dimension is the deep groove ball bearing of 65 millimeters of φ, described trim ring is the circle of a nylon sheet, on described trim ring, be evenly distributed with four holes, four the cylindricality nuts of four holes of described trim ring by the surrounding of bolt and described main part the first counterbore twist connect fixing, further fixing described clutch shaft bearing, the second described bearing and the 3rd described bearing, all that external diameter is 28 millimeters of φ, internal orifice dimension is the deep groove ball bearing of 15 millimeters of φ.

4. plastic body cover portable electric scooter according to claim 1, it is characterized in that: described left and right back vent is divided into left back fork and right back fork, the inner side at the rear portion of described left back fork and described right back fork is all embedded with sheetmetal, the rear end of described left back fork and described right back fork, with the sheetmetal rear end of inner side at rear portion that embeds described left back fork and described right back fork, there is U-lag, using the notch as described trailing wheel is installed, the top of described left back fork and described right back fork is respectively connected with the wheel cover of half sheet trailing wheel, on the wheel cover of the trailing wheel of described left back fork and described right back fork, respectively there is the perforation of two extension bolts, the inner side of described left back fork and described right back fork is also distributed with longitudinal and vertical reinforced rib.

5. plastic body cover portable electric scooter according to claim 1, it is characterized in that: the bottom of described front rod slotted hole is connected with the depression of flute profile, described snap close is by push button, locking plate and tie bolt form, push button is that the front portion of oval sheet bottom surface has the outstanding Plastic Parts of a square-tube-shaped, the outstanding square-tube-shaped of push button is put into the rear end of front rod slotted hole downwards, again little spring is put into from bottom to top to the slotted hole of described front rod, and the front end in the outstanding square-tube-shaped of push button and described front rod slotted hole is being hanged down at the two that makes little spring, again locking plate is combined on the outstanding square-tube-shaped of push button, penetrate with tie bolt in the hole of locking plate, and be fastened in the pore of the outstanding square-tube-shaped of push button, make little spring be positioned the front portion of locking plate, in the front portion of push button and the slotted hole of front rod, locking plate is slided in the groove-shaped depression of bottom of described front rod slotted hole.

6. plastic body cover portable electric scooter according to claim 1, it is characterized in that: described front fork comprises Y-piece and front fork tube, Y-piece is by the workpiece of two sections of semicircle aluminum pipes, be welded with a cast aluminum component, the notch of U-shaped is flattened and rushed in two lower ends of described Y-piece, the lower end close-fitting socket of the circle hole of Y-piece cast aluminum component and front fork tube, front fork tube is the threaded pipe in top, described front-wheel is installed in the U-lag mouth of described front fork two lower ends, described front-wheel is 6 inches of wheels, described trailing wheel is installed in the U-lag mouth of back vent two rear ends, described left and right, described trailing wheel is 8 inches of wheels.

7. plastic body cover portable electric scooter according to claim 1, is characterized in that: described V font folding hand handle, comprises handgrip pedestal, inside extending tube, U-lag plastic lining, the left part that connects, the right part that connects, left hand handle, right handgrip, to lock bolt, left lock-connecting piece, right lock-connecting piece, hole cylinder, quick detach, safety catch, described handgrip pedestal, is Intermediate Gray one circular hole, both sides respectively cut off workpiece with the Al squeezing material of flute profile, two side lower parts of described handgrip pedestal two flute profiles are respectively mutual to perforation with one, inside extending tube described in the bottom close-fitting socket one of described handgrip pedestal circular hole, 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, described left part and the described right cylinder that connects part of connecting, fixedly sleeved in the bottom of described left hand handle and described right handgrip respectively, described in two to lock bolt, by described left connect part and described right connect part be rotationally connected with respectively described bottom, pedestal flute profile both sides in perforation, with U-lag plastic lining bottom described in two to perforation in, described left lock-connecting piece is welded in described left hand the rear side of bottom, described right lock-connecting piece is welded in the rear side of described right handgrip bottom.

8. plastic body cover portable electric scooter according to claim 1, it is characterized in that: described sprocket wheel is that three point of 20 octadentate modification strengthens nylon sprocket wheel, there are two circles on the left side of described sprocket wheel through giving prominence to for the semi-cylindrical of 65 millimeters of φ, be installed on the described crankshaft sprocket after described clutch shaft bearing, be arranged in the front portion of described main part depression, described prime countershaft is the cylinder of middle part for 15 millimeters of φ, two one is connected with the anti-tooth bolt of M12, described secondary sprocket wheel is the sprocket wheel of three point of ten tooth, the axle center hole of described secondary sprocket wheel has the anti-pitch thread hole of M12, twist the described secondary sprocket wheel after connecing with described prime countershaft, be arranged in the rear portion of described main part depression, described prime gear (861) is that the modification of two mould 20 octadentates strengthens nylon straight-tooth gear, the axis part of described prime gear is inlaid with barrel, the tapped bore of described prime gear barrel is corresponding with the anti-tooth bolt of one of described prime countershaft, described rear class countershaft is the cylinder of middle part for 15 millimeters of φ, two one is connected with the anti-tooth bolt of M12, three grades of described sprocket wheels that sprocket wheel is four point of 13 tooth, the axle center hole of three grades of described sprocket wheels has the anti-pitch thread hole of M12, described rear class gear is the Al squeezing material straight gear of two mould ten bidentates, the axle center hole of described rear class gear has the anti-pitch thread hole of M12, described flywheel is the flywheel of four point of ten bidentate, described treadle is the metal tube of each vertical welding Yi Duan garden, front and back end pipe, in the short Circular Tube With Hole of described treadle rear end, be tapping into tapped bore, described engaging lug is that bottom is with the mutual flute profile stamping to perforation, described pendulum is the aluminium extruded type sliced pieces of 8-shaped, in two holes of 8 word slices, each Inlaid mono-bearing forms.

9. plastic body cover portable electric scooter according to claim 1, it is characterized in that: described left and right back vent is fixed by bolt and four, described main part rear portion cylindricality nut, and allow described prime gear and described rear class gear be arranged in the front portion of the left back fork inner side depression of left and right back vent, allow three grades of described sprocket wheels be arranged in the front portion of the right back fork inner side depression of left and right back vent.

10. plastic body cover portable electric scooter according to claim 1, it is characterized in that: described wheel hub motor is brushless hub electric motor, the wheel hub one configuration combination of described wheel hub motor and described front-wheel, described battery is the lithium cell group of series connection, described controller is brushless motor controller, described battery and described controller are all positioned in the rectangle pore of described front pipe fitting, 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 V font folding hand handle, described power-off brake lever is installed on the left hand of V font folding hand handle on the right handgrip of upper and V font folding hand handle, 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.