CN203681779U

CN203681779U - Bicycle beam seat tube four-bar folding type portable electric bicycle

Info

Publication number: CN203681779U
Application number: CN201420010510.2U
Authority: CN
Inventors: 庞明方
Original assignee: Taicang Chezhongbao Leisure Products Co Ltd
Current assignee: Taicang Chezhongbao Leisure Products Co Ltd
Priority date: 2014-01-08
Filing date: 2014-01-08
Publication date: 2014-07-02
Anticipated expiration: 2024-01-08

Abstract

The utility model discloses a bicycle beam seat tube four-connection-rod folding type portable electric bicycle which comprises a bicycle beam, a front tube part, a front fork, a V-shaped folding handle, a front wheel, a rear wheel, a bicycle seat, a manpower driving mechanism and an electric driving system. The bicycle beam is a four-bar linkage which is composed of a front beam tube, a rear beam tube, a front rotating vane, a first groove-shaped part, a second groove-shaped part, an L-shaped part, a lower connection rod, a first lock hook and the like. The front fork is connected with the front tube part in a rotating mode. The front wheel is installed on the front fork, and the V-shaped folding handle connected with the front fork is an embracing-connection type lock connection part V-shaped folding handle. The bicycle seat comprises a seat tube and a saddle. The seat tube is a four-bar linkage composed of a lower seat tube, an upper seat tube, a base, a lower rotating part, a folding blade, a double-groove part, a front connection rod, a second lock hook and the like. The manpower driving mechanism is connected to a five-way tube, the rear portion of the rear beam tube and the right side of the rear wheel. The power driving system comprises a hub motor, a battery, a controller and a control switch.

Description

Car beam seat pipe four link folding portable electric bicycles

Technical field

The utility model relates to a kind of folding portable type Electrical Bicycle, particularly a kind of car beam seat pipe four link folding portable electric bicycles.

Technical background

Several money folding electric bicycles that the design people formerly designs, although there is folding rate fast, also smallerly folding, due to reasons such as structures, fail to reach folding complete promising result and more portable effect after folding.

Utility model content

The purpose of this utility model is to be respectively provided with four-bar linkage on pipe, on handlebar, to be provided with V font folding hand handle at the car beam of folding electric bicycle and seat, utilize these three actvies folding, realize perfect folding car beam seat pipe four link folding portable electric bicycles.The purpose of this utility model is to realize like this, car beam seat pipe four link folding portable electric bicycles, comprise car beam, front pipe fitting, front fork, V font folding hand handle, front-wheel, trailing wheel, vehicle seat, man power driving mechanism and electric drive system, it is characterized in that: car beam comprises front-axle beam pipe, back rest pipe, front rotating vane, the first channel, the second channel, L shaped, lower link, the first latch hook, Five-way tube and back vent, the first channel and front pipe fitting welding, 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 front end of front-axle beam pipe and the welding of front rotating vane, the rear end of front-axle beam pipe and the welding of the second channel, the front end of back rest pipe and L shaped welding, the rear end welding back vent of back rest pipe, the anterior two sides of back rest pipe have mutual to perforation, back rest pipe front portion to perforation in be welded to connect Five-way tube, the two sides at the rear portion of back rest pipe have mutual to perforation, back rest pipe rear portion to perforation in be welded to connect little pipe, upper to being rotationally connected boring a hole by lock bolt and the first channel of front rotating vane, L shaped is the blank of an Al squeezing material, there is a circle in the lower left corner of L shaped to perforation, the right lower quadrant of L shaped has a Long Circle to perforation, the circle of L shaped is lower to being rotationally connected boring a hole by lock bolt and the second channel to perforation, lower link is the frame section of the openings at one side that is bent into of a metal round rod, lower link penetrates the Long Circle of L shaped in perforation, fill in the front portion of L shaped Long Circle to perforation with U-shaped nylon plug again, it is lower to in perforation that the bending part at lower link two buckles into the first channel, the first latch hook is zone circle hole, middle part, back lower place buckle, the aluminium extruded type blank of anterior flats, the vertical slotted hole that has of the anterior flats of the first latch hook, upper to being rotationally connected boring a hole by lock bolt and the second channel of the circle hole of the first latch hook, penetrate in the slotted hole of the first latch hook with a bolt again, penetrate again in a little spring, be screwed into again the spiral shell Wen Kongzhong at top after front-axle beam pipe, the first latch hook hooks the top of L shaped, trailing wheel is installed on back vent, 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, 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, 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 inside extending tube, in two flute profiles of handgrip pedestal, respectively inlay and connect a U-lag plastic lining, left even part and right even part are fixedly connected on respectively the bottom of left hand handle and right handgrip, left lock-connecting piece and right lock-connecting piece are welded in respectively left hand the rear side of the rear side of bottom and right handgrip 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 connect part and right connect part respectively 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 hand handle and right handgrip 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, inside extending tube passes through hanging bolt, Passscheiben and swollen plug, handgrip pedestal is fixed in the front fork tube of front fork, vehicle seat comprises seat pipe and saddle, seat pipe comprises lower pipe, seat of honour pipe, base, under turn part, folding leaf, double flute part, front rod, the second latch hook and pipe clamp, under the bottom welding of lower seat pipe, turn part, the folding leaf of top welding of lower seat pipe, the bottom of seat of honour pipe is socketed in the circular hole of double flute part, double flute part is Intermediate Gray one circular hole, both sides, front and back respectively cut off workpiece with the Al squeezing material of flute profile, the top and the bottom of the front groove both sides of double flute part are respectively mutual to perforation with one, the middle part of the pit both sides of double flute part is mutual to perforation with one, base is welded in the front top of back rest pipe, and be positioned at the top of Five-way tube, base is to have a slotted hole on one side, another side has the flat Al squeezing material of a circular hole to cut off workpiece, under turn part by the circular hole of lock bolt and base is rotationally connected, before double flute part, the bottom of groove is to boring a hole by the circle hole of lock bolt and folding leaf is rotationally connected, front rod is the frame section of the openings at one side that is bent into of a metal round rod, front rod penetrates in the slotted hole of base, fill in again the rear portion of base slotted hole with U-shaped nylon plug, the bending part at front rod two buckles into the top of the front groove of double flute part in perforation, the second latch hook is zone circle hole, middle part, inferoanterior buckle, the aluminium extruded type blank of top flats, the vertical slotted hole that has of the second latch hook top flats, the circle hole of the second latch hook is by being rotationally connected perforation lock bolt and double flute part pit, penetrate in the slotted hole of the second latch hook with a bolt again, penetrate again in a little spring, be screwed into again the spiral shell Wen Kongzhong of pipe bottom, the seat of honour, the rear end of hooking folding leaf of the second latch hook, saddle is connected in the pipe of the seat of honour, man power driving mechanism comprises axis, crank, chain wheel, pedal, countershaft, prime minor sprocket, rear class sprocket wheel, flywheel, prime chain and rear class chain, axis is rotationally connected with in Five-way tube by axis accessory, two cranks are fixedly connected on two of axis, chain wheel is fixed on right crank, two pedals are connected in two cranks, countershaft is fixedly connected on by Anti-slip nut in the pore of the little pipe in back rest pipe rear portion, the right-hand member of countershaft is rotationally connected rear class sprocket wheel and prime minor sprocket, flywheel is connected in the right side of trailing wheel, prime chain is wire-wrapped in chain wheel and prime minor sprocket, rear class chain is wire-wrapped in rear class 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 front pipe fitting.

The beneficial effects of the utility model are: the utility model car beam adopts four-bar linkage, make the folding of car beam become quick and effective, seat pipe beam adopts four-bar linkage, make the folding of a pipe become quick and effective, Five-way tube be welded in back rest pipe front portion to perforation in, and be positioned at a below for pipe base, make Five-way tube and being connected of back rest pipe both guarantee intensity, more attractive in appearance again, handlebar adopts cup joint style lock-connecting piece V font folding hand handle, allows V font folding hand more firmly effective after interlocking; Battery and controller are all placed in the rectangle pore of front pipe fitting, make the utility model simple and effective.

Brief description of the drawings

Fig. 1 is the utility model structural representation

Fig. 2 is structure and the respective outer side edges schematic diagram of the utility model the second channel, L shaped and the first latch hook

Fig. 3 is structure and the respective outer side edges schematic diagram of folding leaf, double flute part and the second latch hook of the utility model

Fig. 4 is the folding schematic diagram of the utility model car beam

Fig. 5 is the folding schematic representation intention of the utility model seat pipe

Fig. 6 is the folding complete figure of the utility model

In figure: 1---car beam, 2---front pipe fitting, 3---front fork, 4---V font folding hand handle, 5---front-wheel, 6---trailing wheel, 7---vehicle seat, 8---man power driving mechanism, 9---electric drive system; Wherein car beam 1 also comprises: 111---front-axle beam pipe, and 112---back rest pipe, 12---front rotating vane, 13---the first channel, 14---the second channel, 15---L shaped 16---lower links, 17---the first latch hook, 18---Five-way tube, 19---back vent; V font folding hand also comprises 4: 41---handgrip pedestal, and 411---inside extending tube, 42---U-lag plastic lining, 431---the left part that connects, 432---the right part that connects, 441---left hand handle, 442---right handgrip, 45---to lock bolt, 461---left lock-connecting piece, 462---right lock-connecting piece, 47---hole cylinder, 48---quick detach, 49---safety catch; Vehicle seat 7 also comprises: 71---seat pipe, and 72---saddle; Seat pipe 71 also comprises: 711---lower pipe, 712---manage at the seat of honour, 713---base, 714---under---folding leaf, 716---the double flute part that turns part, 715,717---front rod, 718---the second latch hook, 719---pipe clamp; Man power driving mechanism 8 also comprises: 81---axis, and 82---crank, 83---chain wheel, 84---pedal, 85---countershaft, 86---prime minor sprocket 87---rear class sprocket wheel, 88---flywheel, 891---prime chain, 892---rear class 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, described car beam seat pipe four link folding portable electric bicycles, comprise car beam 1, front pipe fitting 2, front fork 3, V font folding hand 4, front-wheel 5, trailing wheel 6, vehicle seat 7, man power driving mechanism 8 and electric drive system;

Described car beam 1 comprises front-axle beam pipe 111, back rest pipe 112, front rotating vane 12, the first channel 13, the second channel 14, L shaped 15, lower link 16, the first latch hook 17, Five-way tube 18 and back vent 19, described front-axle beam pipe 111 is cut-out workpieces of a rectangle aluminum pipe, one tapped bore is arranged at the rear top of described front-axle beam pipe 111, the front end of described front-axle beam pipe 111 and described front rotating vane 12 weld, described front rotating vane 12 is Al squeezing material blanks that one cast below, top connects sheet, the rear end of described front-axle beam pipe 111 and described the second channel 14 weld, the second described channel 14 is the each with a pair of mutual aluminium stamping to perforation up and down of groove two sides, the first described channel 13 welds with described front pipe fitting 2, the first described channel 13 is that the aluminium extruded type of flute profile cuts off workpiece, each punching up and down of described the first channel 13 groove two sides has a pair of mutual to perforation, upper to being rotationally connected boring a hole by lock bolt and described the first channel 13 of the circle hole of described front rotating vane 12.

Described back rest pipe 112 is cut-out workpieces of a rectangle aluminum pipe, the anterior two sides of described back rest pipe 112 have mutual to perforation, the two sides at the rear portion of described back rest pipe 112 have mutual to perforation, the front end of described back rest pipe 112 and described L shaped 15 welding, the rear end welding back vent 19 of described back rest pipe 112, described back rest pipe 112 front portions to being welded to connect described Five-way tube 18 in perforation, described back rest pipe 112 rear portions to perforation in be welded to connect a little pipe, described L shaped 15 is blanks of an Al squeezing material, there is a circle in the lower left corner of described L shaped 15 to perforation, the right lower quadrant of described L shaped 15 has a Long Circle to perforation, described L shaped 15 Long Circles to perforation bottom have one with Long Circle to the vertical aperture of boring a hole, the Long Circle of described L shaped 15 also includes a U-shaped nylon plug to perforation, U-shaped nylon has an aperture beyond the Great Wall, U-shaped nylon aperture is beyond the Great Wall corresponding with the aperture of the bottom of described L shaped 15 Long Circles to perforation, the circle of described L shaped 15 is lower to being rotationally connected boring a hole by lock bolt and described the second channel 14 to perforation.

Described lower link 16 is frame sections of the openings at one side that is bent into of a metal round rod, the side at the two ends of described lower link 16 frame section two opening parts that bending forms respectively has a pair of pinking, described lower link 16 penetrates the Long Circle of described L shaped 15 in perforation, fill in the front portion of L shaped Long Circle to perforation with U-shaped nylon plug again, and with a tap bolt from L shaped Long Circle to being screwed into the aperture of perforated bottom, be screwed into again in the aperture of U-shaped nylon plug and locate, it is lower to in perforation that the bending part at described lower link 16 two buckles into the first channel, again at the each socket in the two ends of described lower link 16 bendings one pad, again with two pins fill in described lower link 16 bendings two ends to locating in pinking, the first described latch hook 17 is zone circle holes, middle part, back lower place buckle, the aluminium extruded type blank of anterior flats, the vertical slotted hole that has of described the first latch hook 17 anterior flats, upper to being rotationally connected boring a hole by lock bolt and described the second channel 14 of the circle hole of described the first latch hook 17, penetrate in the slotted hole of described the first latch hook 17 with a bolt again, penetrate again in a little spring, be screwed into again in the screw at described front-axle beam pipe 111 rear tops, the first described latch hook 17 hooks the top of described L shaped 15.

Described back vent 19 is the aluminum pipe front bendings with two flats, the opening of U-shaped is flattened and rushed in rear end, two front ends of described back vent 19 and the welding of the rear end of described back rest pipe 112, the opening of the U-shaped of two rear ends of described back vent 19 is installed described trailing wheel 6, described front pipe fitting 2 is cut-out workpieces of a square tube and a pipe combined aluminium extrusion section bar, the bottom of described front pipe fitting 2 rectangle pores is connected with base plate, the top of described front pipe fitting 2 rectangle pores is connected with upper cover, described front fork 3 comprises front-fork and front fork tube, front-fork is the aluminum pipe top bending with two flats, the opening of U-shaped is flattened and rushed in lower end, and by vertical the aluminum pipe upper end of the two flats aluminum component that is welded in a cast, thereby make front-fork, in the circle hole of front-fork cast aluminum component close-fitting be socketed a front fork tube described front fork 3, the front fork tube of described front fork 3 is rotationally connected by the Circular Tube With Hole of seven bowls and described front pipe fitting 2, described front-wheel 5 is installed in the U-shaped opening of described front fork 3 front-forks.

Described V font folding hand is 4, comprise handgrip pedestal 41, inside extending tube 411, U-lag plastic lining 42, the left part 431 that connects, the right part 432 that connects, left hand is 441, right handgrip 442, to lock bolt 45, left lock-connecting piece 461, right lock-connecting piece 462, hole cylinder 47, quick detach 48, safety catch 49, described handgrip pedestal 41, 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 41 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 41 the right groove rear sides, inside extending tube 411 described in the bottom close-fitting socket one of described handgrip pedestal 41 circular holes, described U-lag plastic lining 42 is that upper middle part is U-lag, bottom is flat-bottom slot, the both sides of flat-bottom slot are with the mutual Plastic Parts to perforation, two outsides of described U-lag plastic lining 42 are respectively with sulculus, described in two, the sulculus of U-lag plastic lining 42 is corresponding to the convex tendon in handgrip pedestal 41 flute profiles described in two, and be pushed in the flute profile of handgrip pedestal 41 described in two, by U-lag plastic lining 42 bottoms described in two to perforation corresponding to 41 liang of flute profile both sides of handgrip pedestal described in two to perforation, the U-lag of described U-lag plastic lining 42 and described left hand 441 and the caliber of described right handgrip 442 match.

Described left part 431 and the described right part 432 that connects of connecting, it is the workpiece of the Al squeezing material section of a bottom zone circle shape, described left part 431 and the described right top that connects part 432 of connecting, the cylinder that has a Vehicle Processing to form, described left part 431 and the described right cylinder that connects part 432 of connecting, respectively fixedly sleeved in described left hand 441 and the bottom of described right handgrip 442, described left hand is equipped with a pin 441 with the described left socket place that connects part 431, described right handgrip 442 is equipped with a pin with the described right socket place that connects part 432, described left hand 441 and described right handgrip 442 be that top is bending backward, bottom becomes the bending aluminium pipe of inverted "eight" shape, described in two to lock bolt 45, by described left connect part 31 and described right connect part 32 be rotationally connected with respectively described pedestal 41 flute profile two side lower parts to U-lag plastic lining 2 bottoms in perforation and described in two in boring a hole.

Described left lock-connecting piece 461, 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 461 is welded in described left hand the rear side of 441 bottoms, described right lock-connecting piece 462, it is the sliced pieces of the Al squeezing material of an Intermediate Gray U-lag, described right lock-connecting piece 462 is welded in the rear side of described right handgrip 442 bottoms, the U-lag of described right lock-connecting piece 462 is corresponding with the flute profile of described left lock-connecting piece 461, described hole cylinder 47, the side that is a metal cylinder has a pair of perforation, described hole cylinder 47 penetrate described left lock-connecting piece 461 up and down to wearing in circular hole, and mutual to wearing circular hole normal-running fit with described left lock-connecting piece 461, described quick detach 48 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 461 hole cylinder 47 sides in circular hole to perforation in, and be arranged in the groove of described left lock-connecting piece 461, and then screw in described Anti-slip nut, described quick detach 48 interlockings are in the U-lag of described right lock-connecting piece 462, described safety catch 49 is the Plastic Parts with U-shaped card, connecting bore is arranged at the bottom of described safety catch 49 U-shaped cards, the connecting bore of described safety catch 49 is bolted in the tapped bore of the rear upper lateral part of described handgrip pedestal 41 the right grooves, the U-shaped card of described safety catch 49 is corresponding with the fast dismounting handle of described quick detach 8, and engaging.

Described vehicle seat 7 comprises seat pipe 71 and saddle 72, described seat pipe 71 comprises lower pipe 711, seat of honour pipe 712, base 713, under turn part 714, folding leaf 715, double flute part 716, front rod 717, the second latch hook 718 and pipe clamp 719, lower described pipe 711 is one section of aluminium pipe, under described in the bottom welding of described lower pipe 711, turn part 714, under described, turn part 714 1 aluminium flakes and strike out a flute profile, it is one mutual to perforation that the two sides of flute profile have, the described folding leaf 715 of top welding of described lower pipe 711, described folding leaf 715 is Al squeezing material blanks that front end one cast rear connects sheet.

The bottom of described seat of honour pipe 712 is socketed in the circular hole of double flute part, described seat of honour pipe 712 is one section of aluminium pipe, there is a tapped bore at the rear that 712 bottoms are managed at the described seat of honour, the described seat of honour manage 712 tops rear vertically have one to crack, described double flute part 716 is Intermediate Gray one circular holes, both sides, front and back respectively cut off workpiece with the Al squeezing material of flute profile, the front notch of described double flute part 716 is wider than pit mouth, the top and the bottom of the front groove both sides of described double flute part 716 are respectively mutual to perforation with one, the middle part of the pit both sides of described double flute part 716 is mutual to perforation with one, the top socket pipe clamp 719 of described seat of honour pipe 712, described base 713 is welded in the front top of described back rest pipe 112, and be positioned at the top of described Five-way tube 18, described base 713 is to have a slotted hole on one side, another side has the flat Al squeezing material of a circular hole to cut off workpiece, one aperture vertical with slotted hole arranged at the top of described base 713 slotted holes, in the slotted hole of described base 713, also include a U-shaped nylon plug, U-shaped nylon has an aperture beyond the Great Wall, U-shaped nylon aperture is beyond the Great Wall corresponding with the aperture at the top of described base 713 slotted holes, under described, turn part 714 to perforation by the circular hole of lock bolt and described base 713 is rotationally connected, the bottom of described double flute part 716 front grooves is to boring a hole by the circle hole of lock bolt and described folding leaf 715 is rotationally connected.

Described front rod 717 is frame sections of the openings at one side that is bent into of a metal round rod, the side at the two ends of described front rod 717 frame section two opening parts that bending forms respectively has a pair of pinking, described front rod 717 penetrates in the slotted hole of described base 713, fill in again the rear portion of described base 713 slotted holes with U-shaped nylon plug, and from the aperture at described base 713 slotted hole tops, be screwed into a tap bolt, be screwed into again in the aperture of U-shaped nylon plug and locate, the bending part at described front rod 717 two buckles into the top of described double flute part 716 front grooves in perforation, again at the each socket in the two ends of described front rod 717 bendings one pad, again with two pins fill in described front rod 717 bendings two ends to locating in pinking, the second described latch hook 718 is zone circle holes, middle part, inferoanterior buckle, the aluminium extruded type blank of top flats, the vertical slotted hole that has of described the second latch hook 718 top flats, the circle hole of described the second latch hook 718 is by being rotationally connected perforation lock bolt and described double flute part 716 pits, penetrate in the slotted hole of described the second latch hook 718 with a bolt again, penetrate again in a little spring, be screwed into again the seat of honour and manage the spiral shell Wen Kongzhong of 712 bottoms, the rear end of hooking described folding leaf 715 of described the second latch hook 718, described saddle 72 penetrates in the described seat of honour and manages in the pore at 712 tops, and lock with described pipe clamp 719.

Described man power driving mechanism 8 comprises axis 81, crank 82, chain wheel 83, pedal 84, countershaft 85, prime minor sprocket 86, rear class sprocket wheel 87, flywheel 88, prime chain 891 and rear class chain 892, described axis 81 is rotationally connected with in described Five-way tube 18 by axis accessory, crank 82 described in two is fixedly connected on two of described axis 81, described chain wheel 83 is fixed on right crank 82, pedal described in two be connected in two described in crank 82, described countershaft 85 is fixedly connected on by Anti-slip nut in the pore of the described back rest pipe 112 little pipes in rear portion, described countershaft 85 is right headband minor axises, middle part becomes rod, left threaded parts, the end points center of described countershaft 85 minor axis right-hand members is threaded hole, described rear class sprocket wheel 87 and described prime minor sprocket 86 are mutually permanently connected by rotating cylinder, rotating cylinder is the described rear class sprocket wheel 87 of left end riveted joint end, the parts of the described prime minor sprocket 86 of right-hand member riveted joint end, the internal diameter at rotating cylinder two ends is respectively with a counterbore, between two counterbores of rotating cylinder, there is a through hole, in two counterbores of rotating cylinder, respectively inlay a bearing, rotating cylinder is connected to by the inner hole sleeve of two bearings on the minor axis of described countershaft 85, and be fastened to bolt in the tapped bore of described countershaft 85 minor axis right-hand members and locate, described flywheel 88 is connected in the right side of described trailing wheel 6, described prime chain 891 is wire-wrapped in chain wheel 83 and described prime minor sprocket 86, described rear class chain 892 is wire-wrapped in described rear class sprocket wheel 87 and described flywheel 88.

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 motor 91 configures combination with the wheel hub one of described front-wheel 5, 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 2, 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 442, described power-off brake lever 943 is installed on described left hand on 441 and on described right handgrip 442, 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

1. car beam seat pipe four link folding portable electric bicycles, comprise car beam, front pipe fitting, front fork, V font folding hand handle, front-wheel, trailing wheel, vehicle seat, man power driving mechanism and electric drive system, it is characterized in that: car beam comprises front-axle beam pipe, back rest pipe, front rotating vane, the first channel, the second channel, L shaped, lower link, the first latch hook, Five-way tube and back vent, the first channel and front pipe fitting welding, 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 front end of front-axle beam pipe and the welding of front rotating vane, the rear end of front-axle beam pipe and the welding of the second channel, the front end of back rest pipe and L shaped welding, the rear end welding back vent of back rest pipe, the anterior two sides of back rest pipe have mutual to perforation, back rest pipe front portion to perforation in be welded to connect Five-way tube, the two sides at the rear portion of back rest pipe have mutual to perforation, back rest pipe rear portion to perforation in be welded to connect little pipe, upper to being rotationally connected boring a hole by lock bolt and the first channel of front rotating vane, L shaped is the blank of an Al squeezing material, there is a circle in the lower left corner of L shaped to perforation, the right lower quadrant of L shaped has a Long Circle to perforation, the circle of L shaped is lower to being rotationally connected boring a hole by lock bolt and the second channel to perforation, lower link is the frame section of the openings at one side that is bent into of a metal round rod, lower link penetrates the Long Circle of L shaped in perforation, fill in the front portion of L shaped Long Circle to perforation with U-shaped nylon plug again, it is lower to in perforation that the bending part at lower link two buckles into the first channel, the first latch hook is zone circle hole, middle part, back lower place buckle, the aluminium extruded type blank of anterior flats, the vertical slotted hole that has of the anterior flats of the first latch hook, upper to being rotationally connected boring a hole by lock bolt and the second channel of the circle hole of the first latch hook, penetrate in the slotted hole of the first latch hook with a bolt again, penetrate again in a little spring, be screwed into again the spiral shell Wen Kongzhong at top after front-axle beam pipe, the first latch hook hooks the top of L shaped, trailing wheel is installed on back vent, 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, 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, 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 inside extending tube, in two flute profiles of handgrip pedestal, respectively inlay and connect a U-lag plastic lining, left even part and right even part are fixedly connected on respectively the bottom of left hand handle and right handgrip, left lock-connecting piece and right lock-connecting piece are welded in respectively left hand the rear side of the rear side of bottom and right handgrip 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 connect part and right connect part respectively 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 hand handle and right handgrip 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, inside extending tube passes through hanging bolt, Passscheiben and swollen plug, handgrip pedestal is fixed in the front fork tube of front fork, vehicle seat comprises seat pipe and saddle, seat pipe comprises lower pipe, seat of honour pipe, base, under turn part, folding leaf, double flute part, front rod, the second latch hook and pipe clamp, under the bottom welding of lower seat pipe, turn part, the folding leaf of top welding of lower seat pipe, the bottom of seat of honour pipe is socketed in the circular hole of double flute part, double flute part is Intermediate Gray one circular hole, both sides, front and back respectively cut off workpiece with the Al squeezing material of flute profile, the top and the bottom of the front groove both sides of double flute part are respectively mutual to perforation with one, the middle part of the pit both sides of double flute part is mutual to perforation with one, base is welded in the front top of back rest pipe, and be positioned at the top of Five-way tube, base is to have a slotted hole on one side, another side has the flat Al squeezing material of a circular hole to cut off workpiece, under turn part by the circular hole of lock bolt and base is rotationally connected, before double flute part, the bottom of groove is to boring a hole by the circle hole of lock bolt and folding leaf is rotationally connected, front rod is the frame section of the openings at one side that is bent into of a metal round rod, front rod penetrates in the slotted hole of base, fill in again the rear portion of base slotted hole with U-shaped nylon plug, the bending part at front rod two buckles into the top of the front groove of double flute part in perforation, the second latch hook is zone circle hole, middle part, inferoanterior buckle, the aluminium extruded type blank of top flats, the vertical slotted hole that has of the second latch hook top flats, the circle hole of the second latch hook is by being rotationally connected perforation lock bolt and double flute part pit, penetrate in the slotted hole of the second latch hook with a bolt again, penetrate again in a little spring, be screwed into again the spiral shell Wen Kongzhong of pipe bottom, the seat of honour, the rear end of hooking folding leaf of the second latch hook, saddle is connected in the pipe of the seat of honour, man power driving mechanism comprises axis, crank, chain wheel, pedal, countershaft, prime minor sprocket, rear class sprocket wheel, flywheel, prime chain and rear class chain, axis is rotationally connected with in Five-way tube by axis accessory, two cranks are fixedly connected on two of axis, chain wheel is fixed on right crank, two pedals are connected in two cranks, countershaft is fixedly connected on by Anti-slip nut in the pore of the little pipe in back rest pipe rear portion, the right-hand member of countershaft is rotationally connected rear class sprocket wheel and prime minor sprocket, flywheel is connected in the right side of trailing wheel, prime chain is wire-wrapped in chain wheel and prime minor sprocket, rear class chain is wire-wrapped in rear class 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 front pipe fitting.

2. car beam seat pipe four link folding portable electric bicycles according to claim 1, it is characterized in that: described front rotating vane is the Al squeezing material blank that one cast below, top connects sheet, the second described channel is the each with a pair of mutual aluminium stamping to perforation up and down of groove two sides, the first described channel is that the aluminium extruded type of flute profile cuts off workpiece, and each punching up and down of described the first channel groove two sides has a pair of mutual to perforation.

3. car beam seat pipe four link folding portable electric bicycles according to claim 1, it is characterized in that: described L shaped Long Circle to perforation bottom have one with Long Circle to the vertical aperture of boring a hole, the Long Circle of described L shaped also includes a U-shaped nylon plug to perforation, U-shaped nylon has an aperture beyond the Great Wall, and U-shaped nylon aperture is beyond the Great Wall corresponding with the aperture of the bottom of described L shaped Long Circle to perforation.

4. car beam seat pipe four link folding portable electric bicycles according to claim 1, it is characterized in that: described lower link is the frame section of the openings at one side that is bent into of a metal round rod, and the side at the two ends of described lower link frame section two opening parts that bending forms respectively has a pair of pinking.

5. car beam seat pipe four link folding portable electric bicycles according to claim 1, it is characterized in that: under described, turning two sides that part one aluminium flake strikes out a flute profile, flute profile has one mutual to perforation, described folding leaf is the Al squeezing material blank that front end one cast rear connects sheet, and the front notch of described double flute part is wider than pit mouth.

6. car beam seat pipe four link folding portable electric bicycles according to claim 1, it is characterized in that: an aperture vertical with slotted hole arranged at the top of described base slotted hole, in the slotted hole of described base, also include a U-shaped nylon plug, U-shaped nylon has an aperture beyond the Great Wall, and U-shaped nylon aperture is beyond the Great Wall corresponding with the aperture at the top of described base slotted hole.

7. car beam seat pipe four link folding portable electric bicycles according to claim 1, it is characterized in that: described front rod is the frame section of the openings at one side that is bent into of a metal round rod, and the side at the two ends of described front rod frame section two opening parts that bending forms respectively has a pair of pinking.

8. car beam seat pipe four link folding portable electric bicycles according to claim 1, it is characterized in that: described countershaft is right headband minor axis, middle part becomes rod, left threaded parts, the end points center of described countershaft minor axis right-hand member is threaded hole, described rear class sprocket wheel and described prime minor sprocket are mutually permanently connected by rotating cylinder, rotating cylinder is the described rear class sprocket wheel of left end riveted joint end, the parts of the described prime minor sprocket of right-hand member riveted joint end, the internal diameter at rotating cylinder two ends is respectively with a counterbore, between two counterbores of rotating cylinder, there is a through hole, in two counterbores of rotating cylinder, respectively inlay a bearing, rotating cylinder is connected to by the inner hole sleeve of two bearings on the minor axis of described countershaft, and be fastened to bolt in the tapped bore of described countershaft minor axis right-hand member and locate.

9. car beam seat pipe four link folding portable electric bicycles 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 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 described right handgrip, described power-off brake lever is installed on described left hand on upper and described right handgrip, 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.