CN202728471U

CN202728471U - Light saddle handle type rapid folded portable electric bicycle

Info

Publication number: CN202728471U
Application number: CN 201220372422
Authority: CN
Inventors: 庞明方
Original assignee: Taicang Chezhongbao Leisure Products Co Ltd
Current assignee: Taicang Chezhongbao Leisure Products Co Ltd
Priority date: 2012-07-30
Filing date: 2012-07-30
Publication date: 2013-02-13
Anticipated expiration: 2022-07-30

Abstract

Provided is a light saddle handle type rapid folded portable electric bicycle. A bicycle main body is provided with two flat aluminum tubes respectively on the left and on the right in a side-by-side mode. A front portion stamping component, a bottom bracket front stay tube, a bottom bracket rear stay tube, a linkage connecting strap, a countershaft front stay tube, a countershaft rear stay tube, an L-shaped rear breech pipe are all welded with the two flat aluminum tubes. A front frame is formed by connecting a front pipe fitting, a front beam tube and a front component folding blade. A seat tube folding blade is welded on the lower portion of a seat tube. The seat tube folding blade is connected with the linkage connecting strap. The seat tube folding blade and the front component folding blade are connected with two ends of a connecting rod. The front component folding blade is connected with the front portion stamping component of the bicycle main body. The seat tube folding blade is further connected with a latch hook. The latch hook is matched with a semi-circle lock shaft. A V-shaped folding handle is fixedly connected with a front fork. A front wheel is installed on the front fork. A rear wheel is connected with a rear fork piece. A manpower driving mechanism is installed on a bottom bracket, a countershaft tube and the rear wheel. A motor is arranged on the rear wheel. A battery used for the bicycle and a controller are placed inside a cell box.

Description

Light-duty saddle handle type quick-folding portable Electrical Bicycle

Technical field

The utility model relates to a kind of folding electric bicycle, particularly a kind of opening or the folding light-duty saddle handle type quick-folding portable Electrical Bicycle of fast and easily, catching saddle this car can be towed with hand after folding.

Technical background

The style of folding electric bicycle in the market is more, but can fold very littlely, and folding very soon, the folding electric bicycle that it can be towed after folding is just relatively rarely, the quick-folding saddle handle type portable electric bicycle that the design people formerly designs, can fold very littlely although solved, folding very fast and folding after the problem that it can be towed, but the vehicle body girder of this car is processing of the Al squeezing material that is stacked by two bottom lands, because reasons in structure, this section bar can't be made and form the tubular of sealing, so must design thicklyer, this is just so that the weight of this car is relatively heavier.

The utility model content

The purpose of this utility model, be to provide a kind of can fold not only soon not only little, not only catch that saddle can tow this car, the weight of this car but also lighter than like product---light-duty saddle handle type quick-folding portable Electrical Bicycle simultaneously after folding with hand.The purpose of this utility model is achieved in that light-duty saddle handle type quick-folding portable Electrical Bicycle, comprise the vehicle body main body, side arm, vehicle seat interlock fold mechanism, front fork, V font folding hand handle, front-wheel, trailing wheel, man power driving mechanism and electric propulsion system, it is characterized in that: the vehicle body main body comprises two flat aluminum pipes, the front portion rushes part, Five-way tube, the five-way front support tube, the five-way seat stay, sheet is connected, the countershaft pipe, the countershaft front support tube, the countershaft seat stay, L shaped back breeches pipe and back vent sheet, about dividing, two flat aluminum pipes are set up in parallel, the front portion rushes the below that part is welded in two flat aluminum pipe front ends, five-way front support tube and five-way seat stay and Five-way tube welding, make five-way front support tube and five-way seat stay form an obtuse angle, and five-way front support tube and front portion rushed the part welding, five-way seat stay and two flat Al pipe butt welding, two sheets that are connected are welded in the top of two flat aluminum pipes, the sheet that is connected be front in after each punching with holes, countershaft seat stay and the welding of countershaft pipe, countershaft front support tube and the welding of countershaft seat stay, make countershaft front support tube and countershaft seat stay form acute angle, and countershaft front support tube and countershaft seat stay be welded in opening between shelves of two flat aluminum pipe postmedians, two L shaped back breeches pipes are welded in the outside at two flat aluminum pipe rear portions, two back vent sheets are welded in the below of two L shaped back breeches pipes, battery case is connected in the top at two flat aluminum pipe rear portions, side arm is by front head tube, the folding leaf of front-axle beam pipe and former piece is formed by connecting, vehicle seat interlock fold mechanism comprises the seat pipe, the folding leaf of seat pipe, saddle, connecting rod, latch hook, the semicircle lock shaft, safety plug and folding location handle, the folding leaf of rear side welding base pipe of seat pipe bottom, the lower hole of the folding leaf of seat pipe is rotationally connected with the front hole of the sheet that is connected, the two ends of connecting rod are rotationally connected with the upper hole of the folding leaf of seat pipe and the upper hole of the folding leaf of former piece, the front portion that the lower hole of the folding leaf of former piece is rotationally connected with the vehicle body main body rushes part, the upper hole of the folding leaf of seat pipe also is rotationally connected latch hook simultaneously, latch hook matches with the semicircle lock shaft, the semicircle lock shaft is rotationally connected with the mesopore of the sheet that is connected, safety plug is slidingly connected to the metapore of the sheet that is connected, safety plug cooperates with the semicircle lock shaft, folding location is the front portion that is connected in the left flat aluminum pipe of two flat aluminum pipes, the connecting rod after will folding is pinned in folding location, front fork is rotationally connected with in the Circular Tube With Hole of front pipe fitting, the V-shape folding hand is the captive joint front fork, front-wheel is installed on the front fork, man power driving mechanism comprises axis, countershaft, crank, the prime sprocket wheel, the prime minor sprocket, the rear class sprocket wheel, flywheel, prime chain and rear class chain, Five-way tube is rotationally connected axis, the countershaft pipe connects countershaft, connect trailing wheel on the back vent sheet, crank and prime sprocket wheel are connected in axis, prime minor sprocket and rear class sprocket rotation are connected in countershaft, flywheel is connected in trailing wheel, the prime chain be wire-wrapped in the prime sprocket wheel and and the prime minor sprocket on, the rear class chain is wire-wrapped on rear class sprocket wheel and the flywheel, pedal is connected on the crank, electric drive system comprises motor, battery case, Vehicular battery, controller and master cock, motor is configured in trailing wheel, and Vehicular battery and controller all are placed in the battery case.

The beneficial effects of the utility model are: adopted two flat aluminum pipes to be set up in parallel, with the five-way front support tube, the welding of five-way seat stay and two flat aluminum pipes forms triangle, the countershaft front support tube, the welding of countershaft seat stay and two flat aluminum pipes forms triangle, the welding of L shaped back breeches pipe and two flat aluminum pipes forms triangle, and in the five-way front support tube, five-way seat stay and two flat aluminum pipes form triangle and countershaft front support tube, the sheet that is connected is welded in top between the formation triangle of countershaft seat stay and two flat aluminum pipes, both satisfied the demand on this car function, as pontic, make again whole vehicle body main body more rationally firmly, the position of axis and countershaft is pulled open, front-wheel after folding is placed between axis and the countershaft, so that this car is unlikely to the too forward and impact comfort level of riding of middle shaft position, battery case inconjunction with Vehicular battery and controller are arranged on the top at two flat aluminum pipe rear portions, the sensation component is low weight when making the folding defensive position of this car catch saddle that this car is towed.

Description of drawings

Fig. 1 is section of structure of the present utility model;

Fig. 2 is appearance effect figure of the present utility model;

Fig. 3 is that the utility model V font folding hand is the schematic diagram after folding;

Fig. 4 is the schematic diagram of the utility model vehicle body folding process;

Fig. 5 is the folding complete design sketch of car load of the present utility model;

Among the figure: 1---the vehicle body main body, 2---side arm, 3---vehicle seat interlock fold mechanism, 4---front fork, 5---V font folding hand handle, 6---front-wheel, 7---trailing wheel, 8---driver train; Wherein vehicle body main body 1 also comprises: 11---flat aluminum pipe, 12---the front portion rushes part, 13---Five-way tube, 131---the five-way front support tube, 132---the five-way seat stay, 14---sheet is connected, 15---the countershaft pipe, 151---the countershaft front support tube, the L shaped back breeches pipe of 152---countershaft seat stays 16---, 17---the back vent sheet; Side arm also 2 comprises: 21---front head tube, and 22---the front-axle beam pipe, 23---former piece folds leaf; Vehicle seat interlock fold mechanism 3 also comprises: 31---the seat pipe, and 32---the folding leaf of seat pipe, 33---saddle, 34---connecting rod, 35---latch hook, 36---the semicircle lock shaft, 37---safety plug, 38---folding location handle; The V-shape folding hand also comprises 5: 51---the handgrip pedestal, and 511---backer's sheet, 521---left axle, 522---right axle, 531---the left part that connects, 532---the right part that connects, 541---the left hand handle, 542---right handgrip, 551---left interlocking connects part, and 552---right interlocking connects part, 56---press box, 57---quick detach, 58---safety catch, 59---inside extending tube; Man power driving mechanism 8 also comprises: 81---axis, and 82---countershaft, 83---crank, 84---pedal, 85---the prime sprocket wheel, 86---the prime minor sprocket, 87---the rear class sprocket wheel, 88---flywheel, 891---the prime chain, 892---the rear class chain; Electric drive system 9 also comprises: 91---motor, and 92---battery case, 93---Vehicular battery, 94---controller, 95---master cock; Master cock 95 also comprises: 951---the control lock, and 952---speed control crank, 953---the outage brake lever.

The specific embodiment

According to Fig. 1, Fig. 2: light-duty saddle handle type quick-folding portable Electrical Bicycle, comprise vehicle body main body 1, side arm 2, vehicle seat interlock fold mechanism 3, front fork 4, V font folding hand 5, front-wheel 6, trailing wheel 7, driver train 8 and electric drive system 9.

The vehicle body main body comprises two flat aluminum pipes 11, the front portion rushes part 12, Five-way tube 13, five-way front support tube 131, five-way seat stay 132, sheet 14 is connected, countershaft pipe 15, countershaft front support tube 151, countershaft seat stay 152, L shaped back breeches pipe 16 and back vent sheet 17, described two flat aluminum pipes were set up in parallel about 11 minutes, it is aluminium flake both sides flangings that described front portion rushes part 12, there is the mutual part that rushes to perforation the front portion of two flangings, the described former piece that is used for being rotationally connected to boring a hole that described front portion rushes part 12 folds leaf 23, described front portion rushes the below that part 12 is welded in two flat aluminum pipe 11 front ends, described five-way front support tube 131 and described five-way seat stay 132 and Five-way tube 13 welding, and described five-way front support tube 131 and described front portion are rushed part 12 weld, described five-way seat stay 132 and two flat aluminum pipe 11 welding, described five-way front support tube 131 is flat aluminum pipes, described five-way seat stay 132 is two circular aluminum pipes, described two sheets 14 that are connected are welded in the top of described two flat aluminum pipes 11, the described sheet 14 that is connected be front in after each aluminium punching with holes, the described metapore that is connected sheet 14 is square hole, described countershaft seat stay 152 and 15 welding of described countershaft pipe, described countershaft front support tube 151 and 152 welding of described countershaft seat stay, and described countershaft front support tube 151 and described countershaft seat stay 152 are welded in opening between shelves of described two flat aluminum pipe 11 postmedians, described two L shaped back breeches pipes 16 are welded in the outside at described two flat aluminum pipes 11 rear portions, described L shaped back breeches pipe 16 curves in the middle of being L shaped, two ends are again to the pipe of same side bending, described two back vent sheets 17 are welded in the below of described two L shaped back breeches pipes 16, and described back vent sheet 17 is that the aluminium with long U-shaped gap rushes part.

Described side arm 2 comprises that front head tube 21, front-axle beam pipe 22 and former piece fold leaf 23, the folding leaf 23 of described former piece is cut-out workpieces of up and down each Al squeezing material with holes, described side arm 2 is made of welded connection by the folding leaf 23 of described front head tube 21, described front-axle beam pipe 22 and described former piece, and the lower hole of the folding leaf 23 of described former piece is by rushing part 12 perforation is rotationally connected to lock bolt and described front portion.

Described vehicle seat interlock fold mechanism 3, comprise seat pipe 31, the folding leaf 32 of seat pipe, saddle 33, connecting rod 34, latch hook 35, semicircle lock shaft 36, safety plug 37 and folding location are 38, described seat pipe 31 comprises seat of honour pipe and lower pipe, the bottom of a described lower pipe is welded to connect the folding leaf 32 of described seat pipe, the folding leaf 32 of described seat pipe is cut-out workpieces of up and down each Al squeezing material with holes, the top of a described lower pipe is with pipe clamp, a described lower pipe is connected with described seat of honour pipe by pipe clamp, the top of described seat of honour pipe connects described saddle 32, the lower hole of the folding leaf 32 of described seat pipe is rotationally connected the hole by sheet 14 that lock bolt and described two is connected is front, the upper hole of the folding leaf 32 of described seat pipe is rotationally connected by the rear stomidium to lock bolt and described pair of links 34, described connecting rod 34 is the bendings of anterior band, the flat strip shaped metal that two ends are with holes, described two connecting rods synthesize pair of links 34, the front aperture of described pair of links 34 is rotationally connected by the upper hole to lock bolt and the folding leaf 23 of described former piece, described latch hook 35 is also rotated at the two to the lock bolt that connects hole on the folding leaf 32 of described seat pipe simultaneously, described latch hook 35 is sheetmetals, strike out a hook solid, the both sides flanging that crotch is vertical, one of two flangings respectively has mutual parts to perforation, described semicircle lock shaft 36 is that an end of one section semicircle steel rolling is with a tapped bore, the other end connects the parts of a trigger piece, described semicircle lock shaft 36 penetrates described two and is connected the centre of sheet 14 in the hole, and locate in the screw of described semicircle lock shaft 36 with bolt, described semicircle lock shaft 36 and described latch hook 35 mutual interlockings, described safety plug 37 is pins of a umbrella shape, the top of umbrella shape is with a gap, described safety plug 37 is made sliding block joint by spring and stove bolt and described two the rear of sheet 14 that be connected to the hole, and the gap of described safety plug 37 cooperates with the trigger piece of described semicircle lock shaft 36.

Described folding location comprises positioning pedestal to 38, square shaft, trigger piece, tubule and spring pin, described positioning pedestal is a Plastic Parts, one vertical hole and a transverse holes arranged on the described positioning pedestal, transverse tube hole on the described positioning pedestal is connected with vertical perforation the in vertical tube hole, described positioning pedestal is filled in the pore with flat aluminum pipe 11 front ends in a described left side, and open one vertical to perforation in the front portion of the flat aluminum pipe 11 in a described left side, the flat aluminum pipe 11 in a described left side vertically corresponding with the vertical hole of described pedestal to perforation, the described trigger piece of top captive joint of described square shaft, penetrate again in the described tubule, described square shaft penetrates in the vertically vertical hole to perforation and described positioning pedestal of the flat aluminum pipe 11 in a described left side again, twist in the bottom of described square shaft again and connect the Bolt to position that how to fall, the described spring pin of sliding block joint in the transverse holes of described positioning pedestal, described spring pin are to be made of a pin and a spring.

Described front fork 4 be the thicker flute profile Al squeezing material in upper base sliced pieces, through crooked, punching and rushing in fillet and then the hole on upper base forms behind the close-fitting socket front fork tube, described front fork 4 rotates with the Circular Tube With Hole of described front head tube 21 by the front fork accessory and is connected, described front-wheel 6 is installed on described front fork 4, described front-wheel 6 is aluminium wheel hub wheels of 8 inches, described trailing wheel 7 is installed in the long U-shaped gap of described back vent sheet 17, and described trailing wheel 7 is aluminium wheel hub wheels of 10 inches.

Described V font folding hand handle, comprise handgrip pedestal 51, backer's sheet 511, left axle 521, right axle 522, left connect part 531, right connect part 532, left hand 541, right handgrip 542, left interlocking connect part 551, right interlocking connects part 552, pressure box 56, quick detach 57, safety catch 58 and inside extending tube 59.

Described handgrip pedestal 51, the aluminium section bar, the two opal positions that are a cat head profile have two upwards to be with hole, the cut-out of cracking to form after processing by perforate, described handgrip pedestal 51 crack perpendicular place, hole have two pairs to the perforation, it is one downward to perforation that the centre at described handgrip pedestal 51 tops has, upwards there is a counterbore centre of described handgrip pedestal 51 bottoms, and the described counterbore close-fitting of described handgrip pedestal 1 is socketed a described inside extending tube 59.

Described backer's sheet 511, it is lower aluminum component with convex globoidal, have a hole on described backer's sheet 511, one hanging bolt is penetrated in the hole of described backer's sheet 511, penetrate again described handgrip pedestal 51 tops to the perforation in, be screwed into again in the tapped bore of the swollen plug in the front fork tube that pierces into described front fork 4 and tighten, described backer's sheet 511 and described pedestal 51 are fixed with the front fork tube of described front fork 4.

Described left axle 521 and described right axle 522 are that columniform Al squeezing material cuts off workpiece, the front portion of the front portion of described left axle 521 and described right axle 522 is fixedly sleeved in the described left circular hole that connects part 531 bottoms and the described right circular hole that connects part 532 bottoms respectively, the center of the center of described left axle 21 rear ends and described right axle 522 rear ends has screw, crack in the hole in the left side that the rear portion of described left axle 521 is penetrated described handgrip pedestal 51, crack in the hole in the right side that the rear portion of described right axle 522 is penetrated described handgrip pedestal 51, cover two pads, twist in the screw that is connected on described left axle 521 rear ends and in the screw of described right axle 522 rear ends with the two anti-bolts that fall and to locate, with two pairs the lock bolt penetrated with described handgrip pedestal 51 again and crack two couple at perpendicular place in boring a hole, tighten to the degree of tightness appropriate level.

The described left workpiece that part 531 is aluminium extruded type sections of a b shape that connects, one circular hole is arranged at the described left bottom that connects part 531, the cylinder that the described left top that connects part 531 has a Vehicle Processing to form, the described left cylinder that connects part 531 fixedly sleeved in described left hand 541 bottom, the described right workpiece that part 532 is aluminium extruded type sections of a D-shaped that connects, one circular hole is arranged at the described right bottom that connects part 532, the cylinder that the described right top that connects part 532 has a Vehicle Processing to form, the cylinder of described right even part 532 is fixedly sleeved in the bottom of described right handgrip 542.

Described left interlocking connects part 551 and comprises left back, left front, described left back is the Al squeezing material sliced pieces of hoop shape, the middle part in the hoop shape outside is with a trapezoidal prominent muscle, described left back two each with to the perforation, described left front is the Al squeezing material sliced pieces of hoop shape, described left front two each with to the perforation, described left back and described left front right flank all slightly are the inclined-plane, described left front and described left back by two pairs of lock bolt amplexis in described left hand 541 bottom, described right interlocking connects part 552 and comprises right back, right front, described right back is the Al squeezing material sliced pieces of hoop shape, the middle part in the hoop shape outside is prominent tubular with one, described right back the headband towards the right side has perforation, described right back the headband towards a left side has two pairs to perforation, described right front is the Al squeezing material sliced pieces of hoop shape, described right front the headband towards the right side has perforation, described right front the headband towards a left side has two pairs to perforation, described right back and described right front left surface all slightly are the inclined-plane, described right front and described right back is passed through two pairs of lock bolt amplexis in the bottom of described right handgrip 542, and described right front inclined-plane and described left front the inclined-plane with described left back right side with described right back left side is the engagement shape.

Described pressure box 56, it is the box-like metallic stamping pieces of an opening, the two sides of the opening part of described pressure box 56 has a pair of mutual to perforation, one of described pressure box 56 opening part tops has a screw, there is a slotted hole other end at the top of described pressure box 56, described pressure box 56 perforation is rotationally connected by described right back the prominent pipe pore that lock bolt and described right interlocking is connected part 552.

Described quick detach 57 is by a circle hook bolt, fast dismounting handle, pad, spring and Anti-slip nut consist of, described fast dismounting handle is to be the eccentric orfice circle on one side, another side is the slice processing part of the Al squeezing material of arc-shaped bend, described eccentric orfice circle connects the vertical groove that has of eccentric orfice circle of the Al squeezing material sliced pieces of arc-shaped bend, described eccentric orfice circle connects the vertical slotted hole that has of arc-shaped bend of the Al squeezing material sliced pieces of arc-shaped bend, thereby make described trigger piece, the eccentric orfice of described fast dismounting handle is rotationally connected by rivet and described circle hook bolt, described circle hook bolt penetrates described pad, penetrate again in the slotted hole of described pressure box 56, penetrate again in the spring, penetrate again described right interlocking connect part 552 left ends in the perforation, and then screw in described Anti-slip nut.

Described safety catch 58 comprises push button, safety plate and shear bolt, described push button is that the bottom is with the bean cotyledon shape Plastic Parts of square prominent pipe, described safety plate is an end band nock, the sheetmetal that the other end is with holes, the square prominent pipe of described push button penetrates in the slotted hole of described fast dismounting handle, in described fast dismounting handle slotted hole, put into a little spring again, then with bolt described safety plate is captiveed joint with described push button, described shear bolt is the bolt of a globular model, described shear bolt is fastened in the screw at described pressure box 56 tops, described shear bolt is corresponding with the nock of described safety plate on being connected in described fast dismounting handle, and described pressure box 56 interlockings connect on described left back the trapezoidal prominent muscle of part 551 in described left interlocking.

Described man power driving mechanism 8 comprises axis 81, countershaft 82, crank 83, pedal 84, prime sprocket wheel 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 by axis accessory and described Five-way tube 13, the left end of described axis 81 connects described left crank 83, the right-hand member of described axis 81 connects described right crank 83 and described prime sprocket wheel 85, the top of described two cranks 83 is connected with described two pedals 84, described countershaft 82 is end band screws, the parts of other end socket two bearings, described countershaft 82 penetrates the hole of described countershaft pipe 15 from the right side, and be screwed in the screw of described countershaft pipe 15 and locate with the bolt that how to fall, described prime minor sprocket 86 is captiveed joint by a beam barrel with described rear class sprocket wheel 87, described beam barrel is socketed on the two bearings of described countershaft 82, and described prime minor sprocket 86 is positioned at the overside of described rear class sprocket wheel 87, described flywheel 88 is installed on the right side of described trailing wheel 7, described prime chain 891 is wire-wrapped on described prime sprocket wheel 85 and the described prime minor sprocket 86, and described rear class chain 892 is wire-wrapped on described rear class sprocket wheel 87 and the described flywheel 88.

Described electric drive system 9 comprises: motor 91, battery case 92, Vehicular battery 93, controller 94 and master cock 95, described motor 91 is brushless hub electric motors, described motor 91 configures combination with the wheel hub one of described trailing wheel 7, described battery case 92 is connected in the top at described two flat aluminum pipes 11 rear portions, described Vehicular battery 93 is lithium cell groups of series connection, described controller 94 is brushless motor controllers, described Vehicular battery 93 and described controller 94 all are positioned in the described battery case 92, described master cock 95 comprises power supply control lock 951, speed control crank 952 and outage brake lever 953, described power supply control lock 951 is installed on the described battery case 92, described speed control crank 952 is installed on described V font folding hand on 5 the described right handgrip 542, described outage brake lever 953 be installed on described V font folding hand 5 described left hand 541 and described right handgrip 542 on, described power supply control lock 951, described speed control crank 952 and described outage brake lever 953, be connected with described controller 94 with connector by connection lead, described controller 94 by connection lead and connector and described Vehicular battery 93 be connected motor 91 and be connected.

Claims

1. light-duty saddle handle type quick-folding portable Electrical Bicycle, comprise the vehicle body main body, side arm, vehicle seat interlock fold mechanism, front fork, V font folding hand handle, front-wheel, trailing wheel, man power driving mechanism and electric propulsion system, it is characterized in that: the vehicle body main body comprises two flat aluminum pipes, the front portion rushes part, Five-way tube, the five-way front support tube, the five-way seat stay, sheet is connected, the countershaft pipe, the countershaft front support tube, the countershaft seat stay, L shaped back breeches pipe and back vent sheet, about dividing, two flat aluminum pipes are set up in parallel, the front portion rushes the below that part is welded in two flat aluminum pipe front ends, five-way front support tube and five-way seat stay and Five-way tube welding, make five-way front support tube and five-way seat stay form an obtuse angle, and five-way front support tube and front portion rushed the part welding, five-way seat stay and two flat Al pipe butt welding, two sheets that are connected are welded in the top of two flat aluminum pipes, the sheet that is connected be front in after each punching with holes, countershaft seat stay and the welding of countershaft pipe, countershaft front support tube and the welding of countershaft seat stay, make countershaft front support tube and countershaft seat stay form acute angle, and countershaft front support tube and countershaft seat stay be welded in opening between shelves of two flat aluminum pipe postmedians, two L shaped back breeches pipes are welded in the outside at two flat aluminum pipe rear portions, two back vent sheets are welded in the below of two L shaped back breeches pipes, battery case is connected in the top at two flat aluminum pipe rear portions, side arm is by front head tube, the folding leaf of front-axle beam pipe and former piece is formed by connecting, vehicle seat interlock fold mechanism comprises the seat pipe, the folding leaf of seat pipe, saddle, connecting rod, latch hook, the semicircle lock shaft, safety plug and folding location handle, the folding leaf of rear side welding base pipe of seat pipe bottom, the lower hole of the folding leaf of seat pipe is rotationally connected with the front hole of the sheet that is connected, the two ends of connecting rod are rotationally connected with the upper hole of the folding leaf of seat pipe and the upper hole of the folding leaf of former piece, the front portion that the lower hole of the folding leaf of former piece is rotationally connected with the vehicle body main body rushes part, the upper hole of the folding leaf of seat pipe also is rotationally connected latch hook simultaneously, latch hook matches with the semicircle lock shaft, the semicircle lock shaft is rotationally connected with the mesopore of the sheet that is connected, safety plug is slidingly connected to the metapore of the sheet that is connected, safety plug cooperates with the semicircle lock shaft, folding location is the front portion that is connected in the left flat aluminum pipe of two flat aluminum pipes, the connecting rod after will folding is pinned in folding location, front fork is rotationally connected with in the Circular Tube With Hole of front pipe fitting, the V-shape folding hand is the captive joint front fork, front-wheel is installed on the front fork, man power driving mechanism comprises axis, countershaft, crank, the prime sprocket wheel, the prime minor sprocket, the rear class sprocket wheel, flywheel, prime chain and rear class chain, Five-way tube is rotationally connected axis, the countershaft pipe connects countershaft, connect trailing wheel on the back vent sheet, crank and prime sprocket wheel are connected in axis, prime minor sprocket and rear class sprocket rotation are connected in countershaft, flywheel is connected in trailing wheel, the prime chain be wire-wrapped in the prime sprocket wheel and and the prime minor sprocket on, the rear class chain is wire-wrapped on rear class sprocket wheel and the flywheel, pedal is connected on the crank, electric drive system comprises motor, battery case, Vehicular battery, controller and master cock, motor is configured in trailing wheel, and Vehicular battery and controller all are placed in the battery case.

2. light-duty saddle handle type quick-folding portable Electrical Bicycle according to claim 1, it is characterized in that: it is an aluminium flake both sides flanging that described front portion rushes part, there is the mutual part that rushes to perforation the front portion of two flangings, the described former piece that is used for being rotationally connected to boring a hole that described front portion rushes part folds leaf, described five-way front support tube is the flat aluminum pipe, described five-way seat stay is two circular aluminum pipes, the metapore of the described sheet that is connected is square hole, described L shaped back breeches pipe curves in the middle of being L shaped, two ends are again to the pipe of same side bending, and described back vent sheet is that the aluminium with long U-shaped gap rushes part.

3. light-duty saddle handle type quick-folding portable Electrical Bicycle according to claim 1, it is characterized in that: described seat pipe comprises seat of honour pipe and lower pipe, the bottom of a described lower pipe is welded to connect the folding leaf of described seat pipe, the folding leaf of described seat pipe is the cut-out workpiece of up and down each Al squeezing material with holes, the top of a described lower pipe is with pipe clamp, a described lower pipe is connected with described seat of honour pipe by pipe clamp, the top of described seat of honour pipe connects described saddle, described connecting rod is the bending of anterior band, the flat strip shaped metal that two ends are with holes, described two connecting rods synthesize pair of links, described latch hook is a sheetmetal, strike out a hook solid, the both sides flanging that crotch is vertical, one of two flangings respectively has mutual parts to perforation, described semicircle lock shaft is that an end of one section semicircle steel rolling is with a tapped bore, the other end connects the parts of a trigger piece, described safety plug is the pin of a umbrella shape, the top of umbrella shape is with a gap, described safety plug is made sliding block joint by spring and stove bolt and described two the rear of sheet that be connected to the hole, and the gap of described safety plug cooperates with the trigger piece of described semicircle lock shaft.

4. light-duty saddle handle type quick-folding portable Electrical Bicycle according to claim 1, it is characterized in that: described folding location is comprising positioning pedestal, square shaft, trigger piece, tubule and spring pin, described positioning pedestal is a Plastic Parts, one vertical hole and a transverse holes arranged on the described positioning pedestal, transverse tube hole on the described positioning pedestal is connected with vertical perforation the in vertical tube hole, described positioning pedestal is filled in the pore with the flat aluminum pipe front end in a described left side, and open one vertical to perforation in the front portion of the flat aluminum pipe in a described left side, the flat aluminum pipe in a described left side vertically corresponding with the vertical hole of described pedestal to perforation, the described trigger piece of top captive joint of described square shaft, penetrate again in the described tubule, described square shaft penetrates in the vertically vertical hole to perforation and described positioning pedestal of the flat aluminum pipe in a described left side again, twist in the bottom of described square shaft again and connect the Bolt to position that how to fall, the described spring pin of sliding block joint in the transverse holes of described positioning pedestal, described spring pin are to be made of a pin and a spring.

5. light-duty saddle handle type quick-folding portable Electrical Bicycle according to claim 1, it is characterized in that: described V font folding hand is comprising the handgrip pedestal, backer's sheet, left axle, right axle, the left part that connects, the right part that connects, the left hand handle, right handgrip, left interlocking connects part, right interlocking connects part, press box, quick detach, safety catch and inside extending tube, described handgrip pedestal, it is the aluminium section bar of a cat head profile, two opal positions have two upwards to be with the hole of cracking, cut-out forms after processing by perforate, described handgrip pedestal crack perpendicular place, hole have two pairs to the perforation, it is one downward to perforation that the centre at described handgrip pedestal top has, upwards there is a counterbore centre of described handgrip base bottom, and the described counterbore close-fitting of described handgrip pedestal is socketed a described inside extending tube.

6. light-duty saddle handle type quick-folding portable Electrical Bicycle according to claim 5, it is characterized in that: wherein said V font folding hand handle, described left axle and described right axle are that columniform Al squeezing material cuts off workpiece, the front portion of described left axle and the front portion of described right axle are fixedly sleeved in the described left circular hole that connects the part bottom and the described right circular hole that connects the part bottom respectively, the center of described left shaft rear end and the center of described right shaft rear end have screw, crack in the hole in the left side that the rear portion of described left axle is penetrated described handgrip pedestal, crack in the hole in the right side that the rear portion of described right axle is penetrated described handgrip pedestal, cover two pads, twist in the screw that is connected on described left shaft rear end and in the screw of described right shaft rear end with the two anti-bolts that fall and to locate, again with two pairs to the lock bolt penetrate with described handgrip pedestal crack perpendicular place two couples to the perforation in, tighten to the degree of tightness appropriate level, the described left workpiece that part is the aluminium extruded type section of a b shape that connects, the cylinder that the described left top that connects part has a Vehicle Processing to form, the cylinder of described left even part is fixedly sleeved in the bottom of described left hand handle, the described right workpiece that part is the aluminium extruded type section of a D-shaped that connects, the cylinder that the described right top that connects part has a Vehicle Processing to form, the cylinder of described right even part is fixedly sleeved in the bottom of described right handgrip.

7. light-duty saddle handle type quick-folding portable Electrical Bicycle according to claim 5, it is characterized in that: wherein said V font folding hand handle, described left interlocking connects part and comprises left back, left front, described left back is the Al squeezing material sliced pieces of hoop shape, the middle part in the hoop shape outside is with a trapezoidal prominent muscle, described left back two each with to the perforation, described left front is the Al squeezing material sliced pieces of hoop shape, described left front two each with to the perforation, described left back and described left front right flank all slightly are the inclined-plane, described left front and described left back is passed through two pairs of lock bolt amplexis in the bottom of described left hand handle, described right interlocking connects part and comprises right back, right front, described right back is the Al squeezing material sliced pieces of hoop shape, the middle part in the hoop shape outside is prominent tubular with one, described right back the headband towards the right side has perforation, described right back the headband towards a left side has two pairs to perforation, described right front is the Al squeezing material sliced pieces of hoop shape, described right front the headband towards the right side has perforation, described right front the headband towards a left side has two pairs to perforation, described right back and described right front left surface all slightly are the inclined-plane, described right front and described right back is passed through two pairs of lock bolt amplexis in the bottom of described right handgrip, described right front inclined-plane and described left front the inclined-plane with described left back right side with described right back left side is the engagement shape, described pressure box, it is the box-like metallic stamping pieces of an opening, the two sides of the opening part of described pressure box has a pair of mutual to perforation, one of described pressure box opening part top has a screw, there is a slotted hole other end at the top of described pressure box, described pressure box perforation is rotationally connected by described right back the prominent pipe pore that lock bolt and described right interlocking is connected part.

8. light-duty saddle handle type quick-folding portable Electrical Bicycle according to claim 1, it is characterized in that: described countershaft is the parts of an end band screw, other end socket two bearings, described countershaft from the right side penetrates the hole of described countershaft pipe, and be screwed in the screw of described countershaft pipe and locate with the bolt that how to fall, described prime minor sprocket is captiveed joint by a beam barrel with described rear class sprocket wheel, and described beam barrel is socketed on the two bearings of described countershaft and described prime minor sprocket is positioned at the overside of described rear class sprocket wheel.

9. light-duty saddle handle type quick-folding portable Electrical Bicycle according to claim 1, it is characterized in that: described motor is brushless hub electric motor, the wheel hub one configuration combination of described motor and described trailing wheel, described Vehicular battery is the lithium cell group of series connection, described controller is brushless motor controller, described master cock comprises power supply control lock, speed control crank and outage brake lever, described power supply control lock is installed on the described battery case, described speed control crank is installed on the described right handgrip of described V font folding hand handle, described outage brake lever is installed on the described left hand handle and described right handgrip of described V font folding hand handle, described power supply control lock, described speed control crank and described outage brake lever, be connected with described controller with connector by connection lead, described controller by connection lead and connector and described Vehicular battery be connected motor and be connected.