CN204279815U - Connecting rod folds transmission concealed electric bicycle - Google Patents

Abstract

A kind of connecting rod folds transmission concealed electric bicycle, comprise vehicle body, front head tube, front fork, V-shaped folding hand handle, front-wheel, trailing wheel, vehicle seat link gear, man power driving mechanism and electric drive system, vehicle body comprises front-axle beam pipe, front folding leaf, rear folding leaf, main-beam pipe and back vent, front-axle beam Guan Yuqian head tube and front folding leaf welding, main-beam pipe and rear folding leaf, back vent and foldable base welding, back vent installs trailing wheel, front fork is connected with front head tube, front-wheel installed by front fork, V-shaped folding hand handle is connected with front fork, vehicle seat link gear is saddle, columnar member, attaching parts, traveller, lock knob, spring, foldable base, connecting rod base, connecting rod and folding hook are all connected to seat pipe, man power driving mechanism comprises axis, prime hinge wheel, crank, pedal, countershaft, prime minor sprocket, flywheel, rear class minor sprocket, prime chain and rear class chain, man power driving mechanism is connected to vehicle body and trailing wheel, wheel hub motor is configured in front-wheel, battery and controller are placed in vehicle body.

Description

Connecting rod folds transmission concealed electric bicycle

technical field:

The utility model relates to a kind of folding portable type Electrical Bicycle, and particularly a kind of connecting rod folds transmission concealed electric bicycle.

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, fails to reach hiding sprocket wheel, chain, even hide the effect of battery and controller.

utility model content:

The purpose of this utility model is with the main-beam pipe of a thicker square tube as folding electric bicycle, front-axle beam pipe with main-beam pipe are respectively connected folding leaf, front-axle beam pipe and seat pipe are connected with connecting rod, utilize actv. to link folding, realize perfect folding connecting rod and fold transmission concealed electric bicycle.

The purpose of this utility model realizes like this, connecting rod folds transmission concealed electric bicycle, comprise vehicle body, front head tube, front fork, V-shaped folding hand handle, front-wheel, trailing wheel, vehicle seat link gear, man power driving mechanism and electric drive system, it is characterized in that: vehicle body comprises front-axle beam pipe, front folding leaf, rear folding leaf, main-beam pipe and back vent, main-beam pipe is the square tube of one 100 × 100 millimeters, the front portion of main-beam pipe can placing battery, there is an elongated hole corresponding with front-wheel the bottom surface of main-beam pipe postmedian, the left and right sides at main-beam pipe rear portion is also respectively welded with a cup, the both sides of back vent front portion are also each with a bowl-type counterbore, front-axle beam Guan Yuqian head tube is welded, the rear end of front-axle beam pipe is welded with front folding leaf, front-axle beam Guan Zhongke places controller, before folding leaf be the blanked part that the right and left of a sheetmetal folds back into flute profile, before folding leaf flute profile left and right sides respectively have up and down a pair mutual to perforation, the front bottom surface of front folding leaf flute profile there is the rectangular opening can putting into controller, the front end of main-beam pipe is welded with rear folding leaf, rear folding leaf is that the base of a sheetmetal is rolled into cast forward, the blanked part of top margin flanging at a right angle forward, rear folding leaf there is the rectangular opening can putting into battery, the rear end welding back vent of main-beam pipe, the foldable base of the top welding vehicle seat link gear at main-beam pipe rear portion, front folding leaf lower to perforation by being rotationally connected the volume collar aperture of lock bolt and rear folding leaf, trailing wheel is installed on back vent, front fork is rotationally connected by seven bowls and front head tube, and front-wheel is installed on front fork, and V-shaped folding hand handle is fixedly connected with front fork, vehicle seat link gear comprises saddle, seat pipe, columnar member, attaching parts, traveller, lock knob, spring, foldable base, connecting rod base, connecting rod and folding hook, columnar member is that the Al squeezing material being evenly distributed with three circular holes on a face of cylinder cuts off workpiece, the wherein two circular hole tappings of cylindricality Al squeezing material blank are become two tapped bore, by side opening one elongated hole of the wherein circular hole of cylindricality Al squeezing material blank, in the pore bottom columnar member close-fitting press-in seat pipe, the elongated hole of columnar member is made to correspond to the elongated hole of seat pipe, seat pipe is that the top of a pipe has one to crack, and be socketed a pipe clamp at the top of pipe, the trailing flank of the bottom of seat pipe has an elongated hole, a pin is squeezed in the top of present pipe and columnar member elongated hole, spring is pushed in the circular hole of columnar member, and the upper end of spring is peaked at pin, traveller is pushed in the circular hole of columnar member, and the upper end of traveller is peaked at spring, attaching parts is connected to the bottom of columnar member by two bolts, traveller is defined in the circular hole of columnar member simultaneously, again lock knob is fixedly connected with traveller by bolt, attaching parts is arched door type, attaching parts has a through hole near the two sides on arched door type base, the through hole of attaching parts is positioned at a back side in pipe range hole, foldable base is one one-tenth forniciform blanked part of U-shaped, the bottom of foldable base U-shaped opening both sides has mutual to perforation, the internal diameter of foldable base U-shape and the external diameter of seat pipe match, the base of foldable base be welded in the top at main-beam pipe rear portion and the U-shaped opening making foldable base forward, foldable base mutual to perforation by being rotationally connected lock bolt and the through hole of attaching parts, be connected to the lock knob on traveller, by the effect of spring and the upper edge interlocking of foldable base U-shape, a connecting rod base is also welded in the front side of seat position, pipe middle and lower part, connecting rod base is the blanked part of a flute profile, the two sides of connecting rod base flute profile have mutual to perforation, connecting rod base mutual in perforation by connecting the rear end of connecting rod to lock screws, connecting rod is the flat tube of bending in the middle part of in the of, one section of seamless tube is respectively welded in front and back end, the seamless pore of connecting rod front end is by being rotationally connected to perforation on lock bolt and front folding leaf, folding hook is the Plastic Parts that a cast one connects a hook-type, folding rhampotheca is connected to the top of a pipe, saddle is connected in the pipe of the seat of honour, after vehicle seat link gear and vehicle body fold, folding hook can hook the middle part of connecting rod, vehicle seat link gear and vehicle body is made to keep and be positioned folded state, man power driving mechanism comprises axis, prime hinge wheel, crank, pedal, countershaft, prime minor sprocket, flywheel, rear class minor sprocket, prime chain and rear class chain, prime hinge wheel is fastened to the left head of axis, axis is rotationally connected with in the cup of the left and right sides, main-beam pipe rear portion by two bearings, and make prime hinge wheel be arranged in the left side of main-beam pipe, two cranks are fixedly connected on the two ends of axis, two pedals are connected to two cranks, the left head of countershaft is twisted and is connect prime minor sprocket, the right head of countershaft is twisted and is connect flywheel, the two ends of countershaft are rotationally connected with in the bowl-type counterbore of back vent front part sides by two bearings, rear class minor sprocket is fastened to the right side of trailing wheel, prime chain is wire-wrapped in prime hinge wheel and prime minor sprocket, rear class chain is wire-wrapped in flywheel and rear class minor sprocket, electric drive system comprises wheel hub motor, battery, controller and master cock, and wheel hub motor is configured in front-wheel, and battery is placed on the front portion in main-beam pipe, and controller is placed in front-axle beam pipe.

The beneficial effects of the utility model are: the utility model is respectively connected folding leaf on front-axle beam pipe with main-beam pipe, front-axle beam pipe and seat pipe are connected with connecting rod, actv. is utilized to link folding, achieve perfectly folding, main-beam pipe adopts the square tube of 100 × 100 millimeter 2, the both sides of back vent employing groove shape, flute profile front portion are respectively with a bowl-type counterbore, prime hinge wheel, prime minor sprocket, prime chain, flywheel, rear class minor sprocket and rear class chain can be hidden in main-beam pipe and in back vent, allow drive disk assembly of the present utility model be hidden in completely among vehicle body; Battery is placed on the front portion in main-beam pipe, is placed on by controller in front-axle beam pipe, make the utility model except front motor wheel, other parts and common folding portable bicycle are as good as.

accompanying drawing illustrates:

Fig. 1 is the utility model structural representation

Fig. 2 is structure and the connection diagram of the utility model columnar member and attaching parts

Fig. 3 is structure and the connection diagram of the utility model traveller and lock knob

Fig. 4 is the section components figure of the utility model man power driving mechanism

Fig. 5 is the schematic diagram of the utility model folding process

Fig. 6 is that the utility model folds complete schematic diagram

In figure: 1---vehicle body, 2---front head tube, 3---front fork, 4---V-shaped folding hand handle, 5---front-wheel, 6---trailing wheel, 7---vehicle seat link gear, 8---man power driving mechanism; Wherein vehicle body 1 also comprises: 11---front-axle beam pipe, and 12---front folding leaf, 13---folding leaf afterwards, 14---main-beam pipe, 15---back vent; Vehicle seat link gear 7 also comprises: 71---saddle, and 72---seat pipe, 721---columnar member, 722---attaching parts, 73---traveller, 74---lock knob, 75---foldable base, 76---connecting rod base, 77---connecting rod, 78---folding hook; Man power driving mechanism 8 also comprises: 81---axis, and 82---prime hinge wheel, 83---crank, 84---pedal, 85---countershaft, 86---prime minor sprocket 87---flywheel, 88---rear class minor sprocket, 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, Fig. 4, described connecting rod folds transmission concealed electric bicycle, comprise vehicle body 1, front head tube 2, front fork 3, V-shaped folding hand 4, front-wheel 5, trailing wheel 6, vehicle seat link gear 7, man power driving mechanism 8 and electric drive system 9;

Described vehicle body 1 comprises front-axle beam pipe 11, front folding leaf 12, rear folding leaf 13, main-beam pipe 14 and back vent 15, described front-axle beam pipe 11 is rectangular tubes of one 100 × 50 millimeters, described front-axle beam pipe 11 is cut into the length of side, short trapezoidal below, described the upper of front-axle beam pipe 11 front end has arc opening below, the front end of described front-axle beam pipe 11 is welded with described front head tube 2, folding leaf 12 before the rear end welding of described front-axle beam pipe 11, described front folding leaf 12 is blanked parts that the right and left of a sheetmetal folds back into flute profile, before described folding leaf 12 flute profile left and right sides respectively have up and down a pair mutual to perforation, the front bottom surface of described front folding leaf 12 flute profile there is the rectangular opening can putting into controller 93, described rear folding leaf 13 is that the base of a sheetmetal is rolled into cast forward, the blanked part of top margin flanging at a right angle forward, described rear folding leaf 13 there is the rectangular opening can putting into battery 92, described rear folding leaf 13 welds described front-axle beam pipe 14 backward, described main-beam pipe 14 is square tubes of one 100 × 100 millimeters, there is an elongated hole corresponding with described front-wheel 5 bottom surface of described main-beam pipe 14 postmedian, described main-beam pipe 14 rear portion each side have a circular hole, the circular hole of both sides, described main-beam pipe 14 rear portion respectively welds a cup, described main-beam pipe 14 rear end welding back vent 15, the left surface of described main-beam pipe 14 front end has the circular hole can installed and control lock 941, front portion in described main-beam pipe 14 can placing battery 92, described back vent 15 one-tenth groove shape, the middle part of described back vent 15 flute profile end face and rear portion, there is the opening wider than rear tire, the front portion of described back vent 15 flute profile left and right side is with a bowl-type counterbore, the rear end of described back vent 15 flute profile left and right side is respectively with U-shaped gap, the foldable base of described vehicle seat link gear 7 is welded in the top at described main-beam pipe 14 rear portion, described front folding leaf 12 lower to perforation by being rotationally connected the volume collar aperture of lock bolt and described rear folding leaf 13, described trailing wheel 6 is installed in two U-shaped gap of described back vent 15, described trailing wheel 6 is inflated wheel of 12 inches.

Described front fork 3 comprises front-fork and front fork tube, front-fork be with two metal circular tube tops bend, lower end flattens and rushes the opening of U-shaped, and be welded in a tubular piece by vertical for two metal circular tube upper ends, thus make front-fork, connect in the pore of front-fork tubular piece a front fork tube described front fork 3, the front fork tube of described front fork 3 is rotationally connected by 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-fork, and described front-wheel 5 is 8 inches of wheels.

Described V-shaped folding hand is 4, comprise hand pedestal, inside extending tube, U-lag plastic lining, left circle, right circle, left hand handle, right handgrip, to lock bolt, left lock-connecting piece, right lock-connecting piece, hole cylinder, quick detach, safety catch, described hand is pedestal, it is Intermediate Gray one circular hole, both sides are respectively with flute profile, two flute profiles cut off workpiece with the Al squeezing material of convex tendon inside the both sides of bottom land, described hand is respectively mutual to perforation with one two side lower parts of pedestal two flute profile, described hand has a tapped bore the top on rear side of groove on the right of pedestal, described hand is the inside extending tube described in the bottom close-fitting socket one of pedestal circular hole, described U-lag plastic lining is upper middle part is U-lag, bottom is flat-bottom slot, the both sides of flat-bottom slot with mutual to perforation Plastic Parts, described U-lag plastic lining two outside each with sulculus, the sulculus of U-lag plastic lining described in two corresponds to hand described in two the convex tendon in pedestal flute profile and is pushed in hand described in two in the flute profile of pedestal, by U-lag plastic lining bottom described in two to perforation correspond to hand described in two pedestal two flute profile both sides to perforation, U-lag and the described left hand of described U-lag plastic lining match the caliber with described right handgrip.

Described left circle and described right circle, it is a seamless metal pipe blank, described left circle and described right circle, be welded in described left hand respectively the bottom with described right handgrip, and described left hand is being top bending, the slightly bandy metal circular tube in bottom backward with described right handgrip; Described in two to lock bolt, described left circle and described right circle are rotationally connected with respectively described hand bottom, pedestal flute profile both sides to perforation in and U-lag plastic lining bottom described in two to perforation in.

Described left lock-connecting piece, it is one one-tenth flute profile, the both sides of flute profile with mutual to the stamping of wearing circular hole, described left lock-connecting piece is welded in described left hand the rear side of bottom, described right lock-connecting piece, it is the punching of an Intermediate Gray U-lag, described right lock-connecting piece is welded in the rear side of described right handgrip bottom, the U-lag of described right lock-connecting piece is corresponding with the flute profile of described left lock-connecting piece, described hole cylinder, that the side of a metal cylinder has a pair perforation, described hole cylinder penetrate described left lock-connecting piece up and down to wearing in circular hole, and mutual to wearing circular hole normal-running fit with described left lock-connecting piece, described quick detach is by a circle hook bolt, fast dismounting handle, pad, spring and Anti-slip nut are formed, 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 in a spring again, penetrate again the hole cylinder side be connected in the upper and lower circular hole of described left lock-connecting piece to perforation in, and be arranged in the groove of described left lock-connecting piece, and then screw in described Anti-slip nut, described quick disassemble lock is connected in the U-lag of described right lock-connecting piece, described safety catch is the Plastic Parts with U-shaped card, connecting bore is arranged at the bottom of described safety catch U-shaped card, the connecting bore of described safety catch is bolted in described hand the tapped bore of the upper back of groove on the right of pedestal, the U-shaped card of described safety catch is corresponding with the fast dismounting handle of described quick detach, and engage.

Described vehicle seat link gear comprises saddle 71, seat pipe 72, columnar member 721, attaching parts 722, traveller 73, lock knob 74, spring, foldable base 75, connecting rod base 76, connecting rod 77 and folding hook 77, described columnar member 721 is that the Al squeezing material being evenly distributed with three circular holes on a face of cylinder cuts off workpiece, three circular holes on described columnar member 721 face of cylinder have two to be slightly little circular hole, two of described cylindricality Al squeezing material blank slightly little circular hole tappings are become two tapped bore, by side opening one elongated hole of described cylindricality Al squeezing material blank circular hole, the elongated hole of described columnar member 721 circular hole one side, the through direction of length direction and circular hole in the same way, described columnar member 721 close-fitting is pressed in the pore bottom described seat pipe 72, described seat pipe 72 is that the top of a pipe has one to crack, and be socketed a pipe clamp at the top of described seat pipe 72 pipe, the side of described seat pipe 72 bottom has an elongated hole, the elongated hole of described seat pipe 72 is corresponding with described columnar member 721 elongated hole, above described seat pipe 72 elongated hole, a pin-and-hole is opened together with described columnar member 721, a pin is squeezed in described seat pipe 72 and described columnar member 721 pin-and-hole.

Described traveller 73 is that the upper and lower radial direction of one section of round steel respectively opens a tapped bore, described spring is pushed in the circular hole of described columnar member 721, and the upper end of described spring is peaked at pin, described traveller 73 is pushed in the circular hole of columnar member, the upper end of described traveller 73 is peaked at spring, two tapped bore of described traveller 73 are corresponded to the elongated hole of described seat pipe 72 and described columnar member 721, described attaching parts 722 is arched door types, arched door type there is the slice processing part of the Al squeezing material of holes, a through hole is had in the two sides on arched door type Al squeezing material sliced pieces arched door type base, and two square edges of through hole periphery are processed into fillet, the circle warp of described attaching parts 722 arched door type semicircle and the circle of described seat pipe 72 are through corresponding, a counterbore is respectively opened in the bottom in described attaching parts 722 liang of section bar holes, two section bar holes of described attaching parts 722 correspond to two tapped bore of described columnar member 721, with two bolts, described attaching parts 722 is fixedly connected with described columnar member 721, and the bolt cap of two bolts is sunken in two counterbores of described attaching parts 722, described traveller 73 is defined in the circular hole of described columnar member 721 simultaneously.

Described lock knob 74, it is the metal parts that there is the salient angle of a downward dead bolt shape at the base angle of a rectangular block shape, described lock knob 74 there is the through hole of two transverse directions, the upper and lower arrangement in parallel of two through hole of described lock knob 74, a counterbore is respectively with in the outside of described lock knob 74 two through hole, the two through hole of described lock knob 74 is corresponding with two tapped bore of described traveller 73, with two bolts, described lock knob 74 is fixedly connected with described traveller 73, when the salient angle of described lock knob 74 dead bolt shape can allow described seat pipe 72 strut, allow the upper edge of the rapid foldable base 75 described in interlocking of described lock knob 74, described foldable base 75, it is the blanked part of a U-shaped, outstanding ear shape is respectively arranged at the bottom of described foldable base 75 U-shaped opening both sides, two outstanding ear shapes have mutual to perforation, the internal diameter of described foldable base 75U shape and the external diameter of described seat pipe 72 match, described foldable base 75 mutual to perforation by being rotationally connected lock bolt and the through hole of described attaching parts 722.

A connecting rod base 76 is also welded in the front side of position, described seat pipe 72 middle and lower part, described connecting rod base 76 is blanked parts of a flute profile, the two sides of described connecting rod base 76 flute profile have mutual to perforation, described connecting rod base 76 mutual in perforation by connecting the rear end of connecting rod 77 to lock screws, described connecting rod 77, it is the flat tube of bending in the middle part of in the of, one section of seamless tube is respectively welded in the front and back end of flat tube, the seamless tube at described connecting rod 77 two ends is in laterally parallel, the seamless tube of described connecting rod 77 front end is longer than the seamless tube of described connecting rod 77 rear end, the seamless pore of described connecting rod 77 front end by lock bolt with described before fold leaf 12 on be rotationally connected to perforation.

Described folding hook 78 is Plastic Parts that a cast one connects a hook-type, the cast of described folding hook 78 is socketed on the top of described seat pipe 72 and is positioned at the below of a pipe 72 pipe clamp, saddle is connected in the pipe of the seat of honour, after vehicle seat link gear and vehicle body fold, folding hook can hook the middle part of connecting rod, makes vehicle seat link gear and vehicle body keep and be positioned folded state; .

Described man power driving mechanism 8 comprises axis 81, prime hinge wheel 82, crank 83, pedal 84, countershaft 85, prime minor sprocket 86, flywheel 87, rear class minor sprocket 88, prime chain 891 and rear class chain 892, described axis 81 is two end band side's tenons, a tapped bore is respectively with in the centre of two ends end points, left part is with the axle of positive pitch thread, the anti-pitch thread of described axis 81 is twisted and connects prime hinge wheel 82, two of described axis 81 is respectively connected to by a bearing in the cup of the left and right sides, described main-beam pipe 14 rear portion, and make described prime hinge wheel 82 be arranged in the left side of described main-beam pipe 14, described prime hinge wheel 82 is electric bicycle chain wheels of 4 point of 20 tooth, there is a flanging bore at the center of described prime hinge wheel 82, positive pitch thread has been attacked in the flanging bore of described prime hinge wheel 82, crank 83 described in two is connected on the square tenon at described axis 81 two ends by two bolts, pedal 84 described in two is connected on the crank 83 described in two, described countershaft 85 is that two is with anti-pitch thread, the centre of two ends end points is with the axle of tapped bore, the left head of described countershaft 85 is twisted and is connect prime minor sprocket 86, described prime minor sprocket 86 is electric bicycle chain wheels of 4 point of 8 tooth, there is a flanging bore at the center of described prime minor sprocket 86, anti-pitch thread has been attacked in the flanging bore of described prime minor sprocket 86, the right head of described countershaft 85 is twisted and is connect flywheel 87, described flywheel 87 is electric bicycle flywheels of 4 point of 20 tooth, twist in the tapped bore of described flywheel 87 and connect an external diameter and all threaded loop-shaped element of collar aperture, the positive pitch thread that the outside thread of described cast is corresponding with the tapped bore of described flywheel 87, in the collar aperture of described cast, screw thread is the anti-pitch thread corresponding with the anti-pitch thread of the right head of described countershaft 85, the two ends of described countershaft 85 are respectively rotationally connected with by a bearing in the bowl-type counterbore of described back vent 15 front part sides, rear class minor sprocket 88 is fastened to the right side of described trailing wheel 6, described rear class minor sprocket 88 is electric bicycle chain wheels of 4 point of 12 tooth, there is a flanging bore at the center of described rear class minor sprocket 88, positive pitch thread has been attacked in the flanging bore of described rear class minor sprocket 88, the positive pitch thread of described rear class minor sprocket 88 is corresponding with the outside thread of described trailing wheel 6 wheel hub right middle, described prime chain 891 is wire-wrapped in described prime hinge wheel 82 and described prime minor sprocket 86, described rear class chain 892 is wire-wrapped in described flywheel 87 and described rear class minor sprocket 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 integrally configures combination with the wheel hub 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 is positioned over the front portion in described main-beam pipe 14, described controller 93 is positioned in described front-axle beam pipe 11, described master cock 94 comprises Energy control lock 941, speed control crank 942 and power-off brake lever 943, described Energy control lock 941 is installed in the circular hole of described main-beam pipe 14 right flank front end, described speed control crank 942 is installed on described right handgrip, described power-off brake lever 943 is installed on described left hand on upper and described right handgrip, described Energy 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 with connector by connection lead.

Claims (10)

1. connecting rod folds transmission concealed electric bicycle, comprise vehicle body, front head tube, front fork, V-shaped folding hand handle, front-wheel, trailing wheel, vehicle seat link gear, man power driving mechanism and electric drive system, it is characterized in that: vehicle body comprises front-axle beam pipe, front folding leaf, rear folding leaf, main-beam pipe and back vent, main-beam pipe is the square tube of one 100 × 100 millimeters, the front portion of main-beam pipe can placing battery, there is an elongated hole corresponding with front-wheel the bottom surface of main-beam pipe postmedian, the left and right sides at main-beam pipe rear portion is also respectively welded with a cup, the both sides of back vent front portion are also each with a bowl-type counterbore, front-axle beam Guan Yuqian head tube is welded, the rear end of front-axle beam pipe is welded with front folding leaf, front-axle beam Guan Zhongke places controller, before folding leaf be the blanked part that the right and left of a sheetmetal folds back into flute profile, before folding leaf flute profile left and right sides respectively have up and down a pair mutual to perforation, the front bottom surface of front folding leaf flute profile there is the rectangular opening can putting into controller, the front end of main-beam pipe is welded with rear folding leaf, rear folding leaf is that the base of a sheetmetal is rolled into cast forward, the blanked part of top margin flanging at a right angle forward, rear folding leaf there is the rectangular opening can putting into battery, the rear end welding back vent of main-beam pipe, the foldable base of the top welding vehicle seat link gear at main-beam pipe rear portion, front folding leaf lower to perforation by being rotationally connected the volume collar aperture of lock bolt and rear folding leaf, trailing wheel is installed on back vent, front fork is rotationally connected by seven bowls and front head tube, and front-wheel is installed on front fork, and V-shaped folding hand handle is fixedly connected with front fork, vehicle seat link gear comprises saddle, seat pipe, columnar member, attaching parts, traveller, lock knob, spring, foldable base, connecting rod base, connecting rod and folding hook, columnar member is that the Al squeezing material being evenly distributed with three circular holes on a face of cylinder cuts off workpiece, the wherein two circular hole tappings of cylindricality Al squeezing material blank are become two tapped bore, by side opening one elongated hole of the wherein circular hole of cylindricality Al squeezing material blank, in the pore bottom columnar member close-fitting press-in seat pipe, the elongated hole of columnar member is made to correspond to the elongated hole of seat pipe, seat pipe is that the top of a pipe has one to crack, and be socketed a pipe clamp at the top of pipe, the trailing flank of the bottom of seat pipe has an elongated hole, a pin is squeezed in the top of present pipe and columnar member elongated hole, spring is pushed in the circular hole of columnar member, and the upper end of spring is peaked at pin, traveller is pushed in the circular hole of columnar member, and the upper end of traveller is peaked at spring, attaching parts is connected to the bottom of columnar member by two bolts, traveller is defined in the circular hole of columnar member simultaneously, again lock knob is fixedly connected with traveller by bolt, attaching parts is arched door type, attaching parts has a through hole near the two sides on arched door type base, the through hole of attaching parts is positioned at a back side in pipe range hole, foldable base is one one-tenth forniciform blanked part of U-shaped, the bottom of foldable base U-shaped opening both sides has mutual to perforation, the internal diameter of foldable base U-shape and the external diameter of seat pipe match, the base of foldable base be welded in the top at main-beam pipe rear portion and the U-shaped opening making foldable base forward, foldable base mutual to perforation by being rotationally connected lock bolt and the through hole of attaching parts, be connected to the lock knob on traveller, by the effect of spring and the upper edge interlocking of foldable base U-shape, a connecting rod base is also welded in the front side of seat position, pipe middle and lower part, connecting rod base is the blanked part of a flute profile, the two sides of connecting rod base flute profile have mutual to perforation, connecting rod base mutual in perforation by connecting the rear end of connecting rod to lock screws, connecting rod is the flat tube of bending in the middle part of in the of, one section of seamless tube is respectively welded in front and back end, the seamless pore of connecting rod front end is by being rotationally connected to perforation on lock bolt and front folding leaf, folding hook is the Plastic Parts that a cast one connects a hook-type, folding rhampotheca is connected to the top of a pipe, saddle is connected in the pipe of the seat of honour, man power driving mechanism comprises axis, prime hinge wheel, crank, pedal, countershaft, prime minor sprocket, flywheel, rear class minor sprocket, prime chain and rear class chain, prime hinge wheel is fastened to the left head of axis, axis is rotationally connected with in the cup of the left and right sides, main-beam pipe rear portion by two bearings, and make prime hinge wheel be arranged in the left side of main-beam pipe, two cranks are fixedly connected on the two ends of axis, two pedals are connected to two cranks, the left head of countershaft is twisted and is connect prime minor sprocket, the right head of countershaft is twisted and is connect flywheel, the two ends of countershaft are rotationally connected with in the bowl-type counterbore of back vent front part sides by two bearings, rear class minor sprocket is fastened to the right side of trailing wheel, prime chain is wire-wrapped in prime hinge wheel and prime minor sprocket, rear class chain is wire-wrapped in flywheel and rear class minor sprocket, electric drive system comprises wheel hub motor, battery, controller and master cock, and wheel hub motor is configured in front-wheel, and battery is placed on the front portion in main-beam pipe, and controller is placed in front-axle beam pipe.

2. connecting rod according to claim 1 folds transmission concealed electric bicycle, it is characterized in that: described front-axle beam pipe is the rectangular tube of one 100 × 50 millimeters, described front-axle beam pipe is cut into the length of side, short trapezoidal below, described the upper of front-axle beam pipe front end has arc opening below, described main-beam pipe rear portion each side have a circular hole, the circular hole of both sides, described main-beam pipe rear portion respectively welds a cup, the left surface of described main-beam pipe front end has the circular hole installed and control lock, anterior placing battery in described main-beam pipe, described back vent becomes groove shape, the middle part of described back vent flute profile end face and rear portion, there is the opening wider than rear tire, the rear end of described back vent flute profile left and right side is respectively with U-shaped gap, described trailing wheel is the inflated wheel of 12 inches.

3. connecting rod according to claim 1 folds transmission concealed electric bicycle, it is characterized in that: described V-shaped folding hand handle, comprises hand pedestal, inside extending tube, U-lag plastic lining, left circle, right circle, left hand handle, right handgrip, to lock bolt, left lock-connecting piece, right lock-connecting piece, hole cylinder, quick detach, safety catch, described hand, pedestal, is Intermediate Gray one circular hole, both sides are respectively with flute profile, two flute profiles cut off workpiece with the Al squeezing material of convex tendon inside the both sides of bottom land, described hand is respectively mutual to perforation with one two side lower parts of pedestal two flute profile, described hand has a tapped bore the top on rear side of groove on the right of pedestal, described hand is the inside extending tube described in the bottom close-fitting socket one of pedestal circular hole, and described U-lag plastic lining is upper middle part is U-lag, bottom is flat-bottom slot, the both sides of flat-bottom slot with the mutual Plastic Parts to perforation, described U-lag plastic lining two outside each with sulculus, the sulculus of U-lag plastic lining described in two corresponds to hand described in two the convex tendon in pedestal flute profile, and be pushed in hand described in two in the flute profile of pedestal, by U-lag plastic lining bottom described in two to perforation correspond to hand described in two pedestal two flute profile both sides to perforation, U-lag and the described left hand of described U-lag plastic lining match the caliber with described right handgrip.

4. connecting rod according to claim 3 folds transmission concealed electric bicycle, it is characterized in that: described left circle and described right circle, it is a seamless metal pipe blank, described left circle and described right circle, be welded in described left hand respectively the bottom with described right handgrip, described left hand is being top bending, the slightly bandy metal circular tube in bottom backward with described right handgrip; Described in two to lock bolt, described left circle and described right circle are rotationally connected with respectively described hand bottom, pedestal flute profile both sides to perforation in and U-lag plastic lining bottom described in two to perforation in.

5. connecting rod according to claim 3 folds transmission concealed electric bicycle, it is characterized in that: described left lock-connecting piece, it is one one-tenth flute profile, the both sides of flute profile with mutual to the stamping of wearing circular hole, described left lock-connecting piece is welded in described left hand the rear side of bottom, described right lock-connecting piece, it is the punching of an Intermediate Gray U-lag, described right lock-connecting piece is welded in the rear side of described right handgrip bottom, the U-lag of described right lock-connecting piece is corresponding with the flute profile of described left lock-connecting piece, described hole cylinder penetrate described left lock-connecting piece up and down to wearing in circular hole, and mutual to wearing circular hole normal-running fit with described left lock-connecting piece, described quick detach is by a circle hook bolt, fast dismounting handle, pad, spring and Anti-slip nut are formed, the circle hook bolt of described quick detach penetrates described pad, penetrate in a spring again, penetrate again the hole cylinder side be connected in the upper and lower circular hole of described left lock-connecting piece to perforation in, and be arranged in the groove of described left lock-connecting piece, and then screw in described Anti-slip nut, described quick disassemble lock is connected in the U-lag of described right lock-connecting piece.

6. connecting rod according to claim 1 folds transmission concealed electric bicycle, it is characterized in that: the elongated hole of described columnar member circular hole one side, the through direction of length direction and circular hole in the same way, described traveller is that the upper and lower radial direction of one section of round steel respectively opens a tapped bore, described attaching parts is an arched door type, arched door type there is the slice processing part of the Al squeezing material of holes, a through hole is had in the two sides on arched door type Al squeezing material sliced pieces arched door type base, and two square edges of through hole periphery are processed into fillet, the circle warp of described attaching parts arched door type semicircle and the circle of described seat pipe are through corresponding, a counterbore is respectively opened in the bottom in described attaching parts two section bar hole, two section bar holes of described attaching parts correspond to two tapped bore of described columnar member, with two bolts, described attaching parts is fixedly connected with described columnar member, and the bolt cap of two bolts is sunken in two counterbores of described attaching parts.

7. connecting rod according to claim 1 folds transmission concealed electric bicycle, it is characterized in that: described lock knob is the metal parts that there is the salient angle of a downward dead bolt shape at the base angle of a rectangular block shape, described lock knob there is the through hole of two transverse directions, the upper and lower arrangement in parallel of two through hole of described lock knob, a counterbore is respectively with in the outside of described lock knob two through hole, the two through hole of described lock knob is corresponding with two tapped bore of described traveller, is fixedly connected with by described lock knob with two bolts with described traveller.

8. connecting rod according to claim 1 folds transmission concealed electric bicycle, it is characterized in that: described axis is two end band side's tenons, a tapped bore is respectively with in the centre of two ends end points, left part is with the axle of positive pitch thread, described prime hinge wheel is the bicycle chainwheel of 4 point of 20 tooth, there is a flanging bore at the center of described prime hinge wheel, positive pitch thread has been attacked in the flanging bore of described prime hinge wheel, described countershaft is that two is with anti-pitch thread, the centre of two ends end points is with the axle of tapped bore, described prime minor sprocket is the bicycle chainwheel of 4 point of 8 tooth, there is a flanging bore at the center of described prime minor sprocket, anti-pitch thread has been attacked in the flanging bore of described prime minor sprocket.

9. connecting rod according to claim 1 folds transmission concealed electric bicycle, it is characterized in that: described flywheel is the bicycle freewheel of 4 point of 20 tooth, twist in the tapped bore of described flywheel and connect an external diameter and all threaded loop-shaped element of collar aperture, the positive pitch thread that the outside thread of described cast is corresponding with the tapped bore of described flywheel, in the collar aperture of described cast, screw thread is the anti-pitch thread corresponding with the anti-pitch thread of the right head of described countershaft, described rear class minor sprocket is the bicycle chainwheel of 4 point of 12 tooth, there is a flanging bore at the center of described rear class minor sprocket, positive pitch thread has been attacked in the flanging bore of described rear class minor sprocket, the positive pitch thread of described rear class minor sprocket is corresponding with the outside thread of described rear wheel hub right middle.

10. connecting rod according to claim 1 folds transmission concealed electric bicycle, it is characterized in that: described wheel hub motor is brushless hub electric motor, the wheel hub of described motor and described front-wheel integrally configures combination, described battery is the lithium cell group of series connection, described controller is brushless motor controller, described master cock comprises Energy control lock, speed control crank and power-off brake lever, described Energy control lock is installed in the circular hole of described main-beam pipe right flank front end, described speed control crank is installed on the right handgrip of described V-shaped folding hand handle, described power-off brake lever is installed on the left hand of described V-shaped folding hand handle on the right handgrip of upper and described V-shaped folding hand handle, described Energy 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 with connector by connection lead.