CN203211451U

CN203211451U - V-shaped folding handle pushable and portable electric bicycle

Info

Publication number: CN203211451U
Application number: CN 201320181282
Authority: CN
Inventors: 庞明方
Original assignee: Taicang Chezhongbao Leisure Products Co Ltd
Current assignee: Taicang Chezhongbao Leisure Products Co Ltd
Priority date: 2013-04-12
Filing date: 2013-04-12
Publication date: 2013-09-25
Anticipated expiration: 2023-04-12

Abstract

A V-shaped folding handle pushable and portable electric bicycle comprises a bicycle body, a front fork, a V-shaped folding handle, a bicycle saddle, a front wheel, a back wheel, a locating hook and a drive mechanism. The bicycle body comprises a front head pipe, an upper cross beam, a lower folding rod, a back vertical beam, a five-way pipe, a back inclined beam, a back fork, a counter shaft pedestal and a lower seat pipe. The back vertical beam, the five-way pipe, the back inclined beam, the counter shaft pedestal and the back fork are welded sequentially. A second groove-shaped piece on the back vertical beam, a bottom blade on the lower pipe seat and a first groove-shaped piece on the upper cross beam are connected with locking bolts. The V-shaped folding handle is arranged on the front fork, a handle base of the V-shaped folding handle is an extruded aluminum profile cut machined part, wherein the handle base is provided with a hole in the middle and groove-shaped bodies in two edges. The two groove-shaped bodies of the handle base are respectively connected with a U-shaped groove plastic packaging linear in an embedded mode. A quick assembly piece is used for locking a left handle and a right handle in a connecting mode. The front wheel is arranged on the front fork, the back wheel is arranged on the back fork, and the drive mechanism is arranged on the five-way pipe, a counter shaft and the back wheel.

Description

V-arrangement can be carried out the formula portable bicycle folding

Technical field:

The utility model relates to a kind of folding bicycle, and the V-arrangement that particularly a kind ofly can fold very for a short time, can carry out after folding can be carried out the formula portable bicycle folding.

Technical background:

The applicant is at several money portable bicycles of first to file, though folding quick, folding effective, maybe can only carry after folding and carry, maybe can only tow, but not have this more labour-saving effect that can carry out.

The utility model content:

The purpose of this utility model be to provide a kind of and can fold forr a short time, more complete, the V-arrangement that can carry out after folding can be carried out the formula portable bicycle folding.The purpose of this utility model is achieved in that V-arrangement can carry out the formula portable bicycle folding, comprise vehicle body, front fork, the V font folds handgrip, vehicle seat, front-wheel, trailing wheel, locating button and driver train, it is characterized in that: vehicle body comprises the front pipe, entablatrance, following pole, back vertical beam, the five-way pipe, back cant beam, back vent, countershaft seat and following pipe, entablatrance also comprises the pipe of putting the beams in place, first channel, hole cylinder and quick detach, the anterior camber bending downwards of upper beam pipe, the upper end welding of the front end of upper beam pipe and front pipe, the rear end of upper beam pipe and the welding of first channel, first channel is that a two is bent into flute profile in the right angle backward, the front and rear of flute profile both sides respectively has a mutual blanked part to perforation, hole cylinder is rotationally connected with the front portion of first channel in the perforation, quick detach be connected in hole cylinder to the perforation in, following pole also comprises former piece, consequent, preceding bar, back bar, circle before the preceding bar, enclose behind the preceding bar, back bar circle and folder, former piece is that right angle, a bullion sheet two is bent into flute profile, the both sides of flute profile are respectively with a mutual blanked part to perforation, former piece is welded in the bottom of front pipe, circle before the bar before the front end close-fitting socket of preceding bar, enclose behind the bar before the rear end close-fitting socket of preceding bar, circle is by being rotationally connected to lock bolt and former piece before the preceding bar, circle is by being rotationally connected to lock bolt and folder behind the preceding bar, the front end welding folder of back bar, back vertical beam is welded top one second channel of a pipe, it is one mutual to perforation that the top on the second channel both sides has, the bottom of back vertical beam and the welding of five-way pipe, the top of back cant beam and the welding of five-way pipe, the rear end welding back vent of back cant beam, back cant beam is the metal circular tube of a camber bending, be connected rear with the junction of five-way Guan Yuhou cant beam with the five-way pipe at the back vertical beam, be welded with reinforced sheet, the back cant beam be connected with back vent below, be welded with reinforced sheet, consequent is that right angle, a bullion sheet two is bent into flute profile, the both sides of flute profile are respectively with a mutual blanked part to perforation, consequent is welded in the top of back cant beam, the countershaft seat is welded in the middle part of back cant beam, the countershaft seat is that right angle, a bullion sheet two is bent into flute profile, the both sides of flute profile are respectively mutual to perforation with one, penetrate and be welded in mutual in the perforation again with one section little pipe, bar circle after the rear end close-fitting socket of back bar, back bar circle is by being rotationally connected to lock bolt and consequent; Following seat pipe is by bottom leaf, pipe and pipe clamp are formed by connecting, bottom leaf is that front end has a U-shaped gap, the downward bending in both sides, there is a mutual blanked part to perforation at the rear portion of the downward bending in both sides, posterior lobe is bumped in second channel, with bottom leaf to the perforation corresponding to second channel to the perforation, and serve as a contrast with two pourable resin chocks in the crack of bottom leaf and second channel, first channel is bumped in two flangings of bottom leaf, with the first channel rear portion to the perforation corresponding to bottom leaf to the perforation, and serve as a contrast with two pourable resin chocks in the crack of bottom leaf and first channel, use again to the lock bolt penetrate second channel to the perforation in and bottom leaf to the perforation in, and the rear portion of first channel is in the perforation, and tighten, the quick disassemble lock of entablatrance is connected in the U-shaped gap of bottom leaf, vehicle seat is installed on down in the seat pipe, locating button is by the top of bolt in the front pipe, and locating button is after this car is folding, the preceding bar of following pole is fastened; Front fork is rotationally connected by seven bowls and front pipe, the folding handgrip of V font is installed in the front fork tube of front fork, the folding handgrip of V font comprises the handgrip pedestal, inside extending tube, the U-lag plastic lining, a left side connects part, the right part that connects, the left hand handle, right handgrip, left side lock-connecting piece, right lock-connecting piece, hole cylinder, quick detach, safety catch, the handgrip pedestal is with a circular hole in the middle of being, both sides respectively have flute profile, two flute profiles have the Al squeezing material cut-out workpiece of convex tendon near the inboard, both sides of bottom land, it is one mutual to perforation that two side lower parts of handgrip pedestal two flute profiles respectively have, bottom close-fitting socket one inside extending tube of handgrip pedestal circular hole, respectively inlay in two flute profiles of handgrip pedestal and connect a U-lag plastic lining, the U-lag plastic lining is that top and middle part are U-lag, the bottom is flat-bottom slot, the both sides of flat-bottom slot have the Plastic Parts to boring a hole mutually, two outsides of U-lag plastic lining respectively have sulculus, two sulculuses of U-lag plastic lining are corresponding to two convex tendons in the handgrip pedestal flute profile, two U-lag plastic lining bottoms to the perforation corresponding to handgrip pedestal two flute profile both sides to the perforation, a left side connects part, and even part is fixedly sleeved in the bottom of left hand handle and right handgrip respectively with the right side, a left side connects part and the right side connects the workpiece that part is the Al squeezing material section of a bottom zone circle shape, the cylinder that left even part and the right top that connects part have a Vehicle Processing to form, left hand handle and right handgrip are that the upper and lower has crooked aluminium pipe, left side lock-connecting piece and right lock-connecting piece are welded in left hand respectively the rear side of the rear side of bottom and right handgrip bottom, left side lock-connecting piece is one to strike out flute profile, the both sides of flute profile have mutual to wearing the aluminum component of circular hole, right lock-connecting piece is the sliced pieces of the Al squeezing material of a middle band U-lag, with a left side connect part and right connect part correspond respectively to handgrip pedestal two flute profile both sides to perforation, with two U-lag plastic lining bottoms to the perforation, penetrate and stubborn connecing with two pairs of lock bolts, allow the bottom of left hand handle and right handgrip be meshed with two U-lag plastic linings in being connected in handgrip pedestal two flute profiles, safety catch is the Plastic Parts that has the U-shaped card, safety catch is connected in the top of the rear side of handgrip pedestal the right groove, left side lock-connecting piece mutual to wearing the circular hole hole cylinder that is rotationally connected, hole cylinder connects quick detach, quick disassemble lock is connected on the 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 the plug that expands, the handgrip pedestal is fixed in the front fork tube, and the top circular hole of handgrip pedestal is filled in stifle; Front-wheel is installed on the front fork, trailing wheel is installed on the back vent; Driver train comprises axis, countershaft, crank, pedal, the prime sprocket wheel, the prime minor sprocket, back level sprocket wheel, flywheel, prime chain and back level chain, axis is installed in the five-way pipe by the axis accessory, two cranks are installed on the two ends of axis, the prime sprocket wheel is fixedly connected on right crank, two pedals are fastened to the outer end of two cranks, countershaft is installed in the pore of the little pipe of countershaft seat, prime minor sprocket and back level sprocket wheel all are that the center has the axle bowl, the center blanked part with holes of axle bowl, the evagination place of prime minor sprocket and back level sprocket shaft bowl is welded to each other, the prime minor sprocket is connected with the back level sprocket coaxiality heart, prime minor sprocket and back level sprocket wheel together are rotationally connected with the right head of countershaft, flywheel is installed on the right side of trailing wheel, the prime chain is wire-wrapped on prime sprocket wheel and the prime minor sprocket, and back level chain is wire-wrapped on back level sprocket wheel and the flywheel.

The beneficial effects of the utility model are: the bottom leaf of the following pipe of the utility model utilization is bumped in second channel of back vertical beam, first channel of entablatrance is bumped into down in the bottom leaf of seat pipe, wherein at interval with pourable resin chock serve as a contrast into, use again the lock bolt is pinned, make and to fold and to lock the back between this three mutually and better effects if when folding, be subjected to force intensity bigger, process simpler; Adopt the connection mode of preceding bar, back bar, preceding bar Qian Quan, preceding bar Hou Quan, back bar circle and the folder of pole down, make outward appearance more succinct attractive in appearance, mix the folding handgrip of V font again, make folding speed faster, vertically draw close before and after the front and back wheel after folding, visual effect is good, and can carry out, easy to carry.

Description of drawings:

Fig. 1 is structure of the present utility model and schematic appearance

Fig. 2 is the folding figure of the folding handgrip of the utility model V font

Fig. 3 is the utility model vehicle body folding process figure

Fig. 4 is the folding design sketch that finishes of the present utility model

Among the figure: 1---vehicle body, 2---front fork, 3---the V font folds handgrip, and 4---vehicle seat, 5---front-wheel, 6---trailing wheel, 7---locating button, 8---driver train; Wherein vehicle body 1 also comprises: 11---the front pipe, and 12---entablatrance, 13---following pole, 14---the back vertical beam, 15---the five-way pipe, 16---the back cant beam, 17---back vent, 18---the countershaft seat, 19---following pipe; Entablatrance 12 also comprises: 121---the pipe of putting the beams in place, and 122---first channel, 123---hole cylinder, 124---quick detach; Following pole 13 also comprises: 131---former piece, and 132---consequent, 133---preceding bar, 134---the back bar, 135---circle before the preceding bar, 136---enclosing 137 behind the preceding bar---back bar circle, 138---folder; The folding handgrip 3 of V font also comprises: 31---the handgrip pedestal, 311---inside extending tube, 32---the U-lag plastic lining, 331---a left side connects part, 332---the right part that connects, 341---the left hand handle, 342---right handgrip, 351---left lock-connecting piece, 352---right lock-connecting piece, 36---hole cylinder, 37---quick detach, 38---safety catch; Driver train 8 comprises: 81---axis, and 82---countershaft, 83---crank, 84---pedal, 85---the prime sprocket wheel, 86---the prime minor sprocket, 87---back level sprocket wheel, 88---flywheel, 891---the prime chain, 892---back level chain.

The specific embodiment

According to Fig. 1, described V-arrangement can be carried out the formula portable bicycle folding, comprises vehicle body 1, front fork 2, the folding handgrip 3 of V font, vehicle seat 4, front-wheel 5, trailing wheel 6, locating button 7 and driver train 8;

Described vehicle body 1 comprises front pipe 11, entablatrance 12, following pole 13, back vertical beam 14, five-way pipe 15, back cant beam 16, back vent 17, countershaft seat 18 and following pipe 19; Described entablatrance 12 comprises the pipe 121 of putting the beams in place, first channel 122, hole cylinder 123 and quick detach 124, described upper beam is managed the pipe that 121 pipes are anterior camber bendings downwards, the upper end welding of the front end of described upper beam pipe 121 and described front pipe 11, the rear end of described upper beam pipe 121 and 122 welding of described first channel, described first channel 122 is that a strip metal two is bent into flute profile in the right angle backward, it is one mutual to perforation that the front and rear of the two sides of flute profile respectively has, and described hole cylinder 123 is rotationally connected with the front portion of first channel 122 in the perforation.

The centre that described hole cylinder 123 is metal cylinder sides has the parts of a pair of perforation, described hole cylinder 123 penetrates the front portion of described first channel 122 in the perforation, described quick detach 124 be connected in described hole cylinder 123 to the perforation in, described quick detach 124 is by a circle hook bolt, fast dismounting handle, pad, spring and anti-skidding nut constitute, 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, the vertical groove that has of the eccentric orfice circle of described fast dismounting handle, the eccentric orfice of described fast dismounting handle is rotationally connected by rivet and described circle hook bolt, described circle hook bolt penetrates pad, penetrate in the spring again, penetrate again described hole cylinder 123 to the perforation in, and then screw in described anti-skidding nut, described quick detach 124 interlockings are in the U-shaped gap of described following pipe 19 bottom leaves.

Described pole 13 down comprises former piece 131, consequent 132, preceding bar 133, back bar 134, circle 135 before the preceding bar, enclose 136 behind the preceding bar, back bar circle 137 and folder 138, described former piece 131 is that right angle, a bullion sheet two is bent into flute profile, the both sides of flute profile are respectively with a mutual part that dashes to perforation, described former piece 131 is welded in the bottom of described front pipe 11, described consequent 132 is that right angle, a bullion sheet two is bent into flute profile, the both sides of flute profile are respectively with a mutual part that dashes to perforation, described consequent 132 is welded in the top of described back cant beam 16, bar 133 is metal circular tubes before described, the right flank at bar 133 rear portions has an interlocking hole before described, the preceding circle 135 of bar and described back bar circle 137 all are the workpieces of the Al squeezing material section of a headband cast before described, the other end Vehicle Processing of the preceding circle 135 of bar and described back bar circle 137 zone circles becomes cylinder before described, the cylinder of the preceding circle 135 of bar and described back bar circle 137 before described, close-fitting is socketed on the rear end of front end and the described back bar 134 of described preceding bar 133 respectively, enclosing 136 before described behind the bar is workpieces of the Al squeezing material section of a d font, the top Vehicle Processing of enclosing the 136d word before described behind the bar becomes cylinder, the cylinder close-fitting of circle 136 is socketed on the rear end of described preceding bar 133 behind the described preceding bar, the circle hole of the preceding circle 135 of bar is by being rotationally connected to lock bolt and 131 pairs of perforation of described former piece before described, described back bar 134 is metal circular tubes, the circle hole of described back bar circle 137 is by being rotationally connected to lock bolt and 132 pairs of perforation of described consequent, described folder 138 is made of ∩ shape part and fastener, ∩ shape part is to strike out ∩ shape groove by a sheetmetal, there is downward lug on the both sides at ∩ shape groove middle part, two lugs have the mutual parts to perforation, respectively there is a hole at front portion and the rear portion of described ∩ shape part right flank, the rear end of described folder 135 ∩ shape parts is welded in the front end of described back bar 134, described folder 138 ∩ shape parts perforation is rotationally connected by the circle hole to circle 136d font behind lock bolt and the described preceding bar, fastener is that a bar shaped elastic sheet metal front end connects button stake and a Button Handle, the rear end is riveted on the parts of described folder 135 ∩ shape part right flank rear orifices, and the button stake of described fastener slides in the front hole of described ∩ shape part right flank, and in the interlocking hole of interlocking right flank at bar 133 rear portions before described.

Described back vertical beam 14 is welded top one second channels of a pipe, it is one mutual to perforation that the top on vertical beam 14 second channel both sides, described back has, the bottom of described back

vertical beam

14 and 15 welding of described five-way pipe, described back cant beam 16 is metal circular tubes of a camber bending, the top of described

back cant beam

16 and 15 welding of described five-way pipe, described back vent 17 is welded in the rear end of described back cant beam 16, described back vent 17 is that right angle, a bullion sheet two is bent into ∩ shape, the two ends of ∩ shape are respectively with a mutual U-shaped slot, described back vertical beam 14 is connected with described five-way pipe 15 and the rear of described five-way pipe 15 with the junction of described back cant beam 16, be welded with reinforced sheet, the below that described back cant beam 16 is connected with described back vent 17, be welded with reinforced sheet, described countershaft seat 18 is welded in the middle part of described back cant beam 16, and described countershaft seat 18 is that right angle, a bullion sheet two is bent into flute profile, the both sides of flute profile are respectively mutual to perforation with one, penetrate and be welded in mutual in the perforation again with one section little pipe.

Described following pipe 19 comprises bottom leaf, pipe and pipe clamp, described bottom leaf is that front end has the rear portion of a U-shaped gap, the downward bending in both sides, the downward bending in both sides that the one mutual metallic stamping pieces to perforation is arranged, described bottom leaf is welded in the bottom of described pipe, the top socket pipe clamp of described pipe, described vehicle seat 5 are installed in described following the pipe 19.

Described front fork 2 comprises wheel fork and front fork tube, described front fork 2 is rotationally connected by seven bowls and described front pipe 11, the wheel of described front fork 2 is stuck described front-wheel 5 is installed, and described trailing wheel 6 is installed on the described back vent 17, and described front-wheel 5 and described trailing wheel 6 all are 8 inches wheels.

Described V font folds handgrip 3, comprise handgrip pedestal 31, inside extending tube 311, U-lag plastic lining 32, a left side connect part 331, right connect part 332, left hand 341, right handgrip 342, left lock-connecting piece 351, right lock-connecting piece 352, hole cylinder 36, quick detach 37, safety catch 38.

Described handgrip pedestal 31, respectively have flute profile, two flute profiles have convex tendon near the both sides of bottom land Al squeezing material cut-out workpiece with a circular hole, both sides in the middle of being, it is one mutual to perforation that two side lower parts of 31 liang of flute profiles of described handgrip pedestal respectively have, one tapped bore is arranged at the top of described handgrip pedestal 31 the right groove rear sides, the bottom close-fitting socket one described inside extending tube 311 of described handgrip pedestal 31 circular holes.

Described U-lag plastic lining 32 is that top and middle part are U-lag, the bottom is flat-bottom slot, the both sides of flat-bottom slot have the Plastic Parts to boring a hole mutually, two outsides of described U-lag plastic lining 32 respectively have sulculus, the sulculus of two described U-lag plastic linings 32 is corresponding to the convex tendon in two described handgrip pedestal 31 flute profiles, and be pushed in the flute profile of two described handgrip pedestals 31, with two described U-lag plastic linings, 32 bottoms to perforation corresponding to 31 liang of flute profile both sides of two described handgrip pedestals to perforation, the U-lag of described U-lag plastic lining 32 and described left hand 341 and the caliber of described right handgrip 342 be complementary.

A described left side connects part 331 and the described right part 332 that connects, it is the workpiece of the Al squeezing material section of a bottom zone circle shape, a described left side connects part 331 and the described right top that connects part 332, the cylinder that has a Vehicle Processing to form, a described left side connects part 331 and the described right cylinder that connects part 332, respectively fixedly sleeved in described left hand 341 and the bottom of described right handgrip 342, described left hand is equipped with a pin to 341 with a described left side even socket place of part 331, described right handgrip 342 is equipped with a pin with the described right socket place that connects part 332, with a described left side connect part 331 and described right connect part 332 respectively by the lock bolt is rotationally connected with described pedestal 31 flute profiles two side lower parts in boring a hole, with two described U-lag plastic linings, 32 bottoms to the perforation in.

Described left lock-connecting piece 351, it is mutual to wearing the aluminum component of circular hole to be that both sides that strike out flute profile, flute profile have, described left lock-connecting piece 351 is welded in described left hand the rear side of 341 bottoms, described right lock-connecting piece 352, it is the sliced pieces of the Al squeezing material of a middle band U-lag, described right lock-connecting piece 352 is welded in the rear side of described right handgrip 342 bottoms, and the U-lag of described right lock-connecting piece 352 is corresponding with the flute profile of described left lock-connecting piece 351.

Described hole cylinder 36 is that the side of a metal cylinder has a pair of perforation, described hole cylinder 36 penetrate described left lock-connecting piece 351 up and down to wearing in the circular hole and mutual to wearing the circular hole normal-running fit with described left lock-connecting piece 351.

Described quick detach be connected in described left lock-connecting piece about in the of 351 36 sides of the hole cylinder in the circular hole in the perforation, and be arranged in the groove of described left lock-connecting piece 351, described quick detach 37 interlockings are in the U-lag of described right lock-connecting piece 352.

Described safety catch 38 is the Plastic Parts that have the U-shaped card, connecting bore is arranged at the bottom of described safety catch 38U shape card, the connecting bore of described safety catch 38 is connected in the tapped bore of the back upper lateral part of described handgrip pedestal 31 the right grooves by bolt, and the U-shaped card of described safety catch 38 is corresponding with the fast dismounting handle of described quick detach 37, and engaging.

Described locating button 7 is Plastic Parts of a band C shape mouth, the C shape mouth of described locating button 7 is corresponding with the caliber of the described preceding bar 133 of described pole 13 down, described locating button 7 is by the top of bolt in described front pipe 11, described locating button 7 in the folding back of this car, will be described descend pole 13 described before bar 133 fasten.

Described driver train 8 comprises axis 81, countershaft 82, crank 83, pedal 84, prime sprocket wheel 85, prime minor sprocket 86, back level sprocket wheel 87, flywheel 88, prime chain 891 and back level chain 892, described axis 81 is installed in the described five-way pipe 15 by the axis accessory, two described cranks 83 are installed on the two ends of described axis 81, described prime sprocket wheel 85 is fixedly connected on the right crank of described crank 83, two described pedals 84 are fastened to the outer end of two described cranks 83, described countershaft 82 is installed in the pore of described countershaft seat 18 little pipes, described countershaft 82 is left headband screw threads, right headband minor axis, the metal parts of minor axis right-hand member band screw, described countershaft 82 cooperates by nut and is connected with the pore of described countershaft seat 18 little pipes, described prime minor sprocket 86 is that the center has the axle bowl, the center blanked part with holes of axle bowl, described back level sprocket wheel 87 is that the center has the axle bowl, the center blanked part with holes of axle bowl, the evagination place of the evagination place of 86 bowls of described prime minor sprocket and 87 bowls of described back level sprocket wheel is welded to each other, respectively inlay a bearing in the axle bowl of the described back of the axle bowl neutralization level sprocket wheel 87 of described prime minor sprocket 86, two bearings borehole jack in described prime minor sprocket 86 and 87 bowls of described back level sprocket wheel is connected on the minor axis of described countershaft 82, and in the stubborn bolt location that connects of described countershaft 82 right-hand members, described flywheel 88 is installed on the right side of described trailing wheel 62, described prime chain 891 is wire-wrapped on described prime sprocket wheel 85 and the described prime minor sprocket 86, described back level chain 892 is wire-wrapped on described back level sprocket wheel 87 and the described flywheel 88, the number of teeth of described prime sprocket wheel 85 is more than described prime minor sprocket 86, and the number of teeth of described back level sprocket wheel 87 is more than described flywheel 88.

Claims

1. a V-arrangement can be carried out the formula portable bicycle folding, comprise vehicle body, front fork, the V font folds handgrip, vehicle seat, front-wheel, trailing wheel, locating button and driver train, it is characterized in that: vehicle body comprises the front pipe, entablatrance, following pole, back vertical beam, the five-way pipe, back cant beam, back vent, countershaft seat and following pipe, entablatrance also comprises the pipe of putting the beams in place, first channel, hole cylinder and quick detach, the anterior camber bending downwards of upper beam pipe, the upper end welding of the front end of upper beam pipe and front pipe, the rear end of upper beam pipe and the welding of first channel, first channel is that a two is bent into flute profile in the right angle backward, the front and rear of flute profile both sides respectively has a mutual blanked part to perforation, hole cylinder is rotationally connected with the front portion of first channel in the perforation, quick detach be connected in hole cylinder to the perforation in, following pole also comprises former piece, consequent, preceding bar, back bar, circle before the preceding bar, enclose behind the preceding bar, back bar circle and folder, former piece is that right angle, a bullion sheet two is bent into flute profile, the both sides of flute profile are respectively with a mutual blanked part to perforation, former piece is welded in the bottom of front pipe, circle before the bar before the front end close-fitting socket of preceding bar, enclose behind the bar before the rear end close-fitting socket of preceding bar, circle is by being rotationally connected to lock bolt and former piece before the preceding bar, circle is by being rotationally connected to lock bolt and folder behind the preceding bar, the front end welding folder of back bar, back vertical beam is welded top one second channel of a pipe, it is one mutual to perforation that the top on the second channel both sides has, the bottom of back vertical beam and the welding of five-way pipe, the top of back cant beam and the welding of five-way pipe, the rear end welding back vent of back cant beam, back cant beam is the metal circular tube of a camber bending, be connected rear with the junction of five-way Guan Yuhou cant beam with the five-way pipe at the back vertical beam, be welded with reinforced sheet, the back cant beam be connected with back vent below, be welded with reinforced sheet, consequent is that right angle, a bullion sheet two is bent into flute profile, the both sides of flute profile are respectively with a mutual blanked part to perforation, consequent is welded in the top of back cant beam, the countershaft seat is welded in the middle part of back cant beam, the countershaft seat is that right angle, a bullion sheet two is bent into flute profile, the both sides of flute profile are respectively mutual to perforation with one, penetrate and be welded in mutual in the perforation again with one section little pipe, bar circle after the rear end close-fitting socket of back bar, back bar circle is by being rotationally connected to lock bolt and consequent; Following seat pipe is by bottom leaf, pipe and pipe clamp are formed by connecting, bottom leaf is that front end has a U-shaped gap, the downward bending in both sides, there is a mutual blanked part to perforation at the rear portion of the downward bending in both sides, posterior lobe is bumped in second channel, with bottom leaf to the perforation corresponding to second channel to the perforation, and serve as a contrast with two pourable resin chocks in the crack of bottom leaf and second channel, first channel is bumped in two flangings of bottom leaf, with the first channel rear portion to the perforation corresponding to bottom leaf to the perforation, and serve as a contrast with two pourable resin chocks in the crack of bottom leaf and first channel, use again to the lock bolt penetrate second channel to the perforation in and bottom leaf to the perforation in, and the rear portion of first channel is in the perforation, and tighten, the quick disassemble lock of entablatrance is connected in the U-shaped gap of bottom leaf, vehicle seat is installed on down in the seat pipe, locating button is by the top of bolt in the front pipe, and locating button is after this car is folding, the preceding bar of following pole is fastened; Front fork is rotationally connected by seven bowls and front pipe, the folding handgrip of V font is installed in the front fork tube of front fork, the folding handgrip of V font comprises the handgrip pedestal, inside extending tube, the U-lag plastic lining, a left side connects part, the right part that connects, the left hand handle, right handgrip, left side lock-connecting piece, right lock-connecting piece, hole cylinder, quick detach, safety catch, the handgrip pedestal is with a circular hole in the middle of being, both sides respectively have flute profile, two flute profiles have the Al squeezing material cut-out workpiece of convex tendon near the inboard, both sides of bottom land, it is one mutual to perforation that two side lower parts of handgrip pedestal two flute profiles respectively have, bottom close-fitting socket one inside extending tube of handgrip pedestal circular hole, respectively inlay in two flute profiles of handgrip pedestal and connect a U-lag plastic lining, the U-lag plastic lining is that top and middle part are U-lag, the bottom is flat-bottom slot, the both sides of flat-bottom slot have the Plastic Parts to boring a hole mutually, two outsides of U-lag plastic lining respectively have sulculus, two sulculuses of U-lag plastic lining are corresponding to two convex tendons in the handgrip pedestal flute profile, two U-lag plastic lining bottoms to the perforation corresponding to handgrip pedestal two flute profile both sides to the perforation, a left side connects part, and even part is fixedly sleeved in the bottom of left hand handle and right handgrip respectively with the right side, a left side connects part and the right side connects the workpiece that part is the Al squeezing material section of a bottom zone circle shape, the cylinder that left even part and the right top that connects part have a Vehicle Processing to form, left hand handle and right handgrip are that the upper and lower has crooked aluminium pipe, left side lock-connecting piece and right lock-connecting piece are welded in left hand respectively the rear side of the rear side of bottom and right handgrip bottom, left side lock-connecting piece is one to strike out flute profile, the both sides of flute profile have mutual to wearing the aluminum component of circular hole, right lock-connecting piece is the sliced pieces of the Al squeezing material of a middle band U-lag, with a left side connect part and right connect part correspond respectively to handgrip pedestal two flute profile both sides to perforation, with two U-lag plastic lining bottoms to the perforation, penetrate and stubborn connecing with two pairs of lock bolts, allow the bottom of left hand handle and right handgrip be meshed with two U-lag plastic linings in being connected in handgrip pedestal two flute profiles, safety catch is the Plastic Parts that has the U-shaped card, safety catch is connected in the top of the rear side of handgrip pedestal the right groove, left side lock-connecting piece mutual to wearing the circular hole hole cylinder that is rotationally connected, hole cylinder connects quick detach, quick disassemble lock is connected on the 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 the plug that expands, the handgrip pedestal is fixed in the front fork tube, and the top circular hole of handgrip pedestal is filled in stifle; Front-wheel is installed on the front fork, trailing wheel is installed on the back vent; Driver train comprises axis, countershaft, crank, pedal, the prime sprocket wheel, the prime minor sprocket, back level sprocket wheel, flywheel, prime chain and back level chain, axis is installed in the five-way pipe by the axis accessory, two cranks are installed on the two ends of axis, the prime sprocket wheel is fixedly connected on right crank, two pedals are fastened to the outer end of two cranks, countershaft is installed in the pore of the little pipe of countershaft seat, prime minor sprocket and back level sprocket wheel all are that the center has the axle bowl, the center blanked part with holes of axle bowl, the evagination place of prime minor sprocket and back level sprocket shaft bowl is welded to each other, the prime minor sprocket is connected with the back level sprocket coaxiality heart, prime minor sprocket and back level sprocket wheel together are rotationally connected with the right head of countershaft, flywheel is installed on the right side of trailing wheel, the prime chain is wire-wrapped on prime sprocket wheel and the prime minor sprocket, and back level chain is wire-wrapped on back level sprocket wheel and the flywheel.

2. V-arrangement according to claim 1 can be carried out the formula portable bicycle folding, it is characterized in that: described hole cylinder is the parts that the centre of a metal cylinder side has a pair of perforation, described quick detach is to be made of a circle hook bolt, fast dismounting handle, pad, spring and anti-skidding nut, described circle hook bolt penetrates described pad, penetrate in the spring again, penetrate again described hole cylinder in the perforation, and then screw in anti-skidding nut, described quick disassemble lock is connected in the U-shaped gap of described following pipe bottom leaf.

3. V-arrangement according to claim 1 can be carried out the formula portable bicycle folding, it is characterized in that: bar is a metal circular tube before described, the right flank at bar rear portion has an interlocking hole before described, the preceding circle of bar and described back bar circle all are the workpieces of the Al squeezing material section of a headband cast before described, the other end Vehicle Processing of the preceding circle of bar and described back bar astragal circle becomes cylinder before described, the cylinder of the preceding circle of bar and described back bar circle before described, close-fitting is socketed on the rear end of front end and the described back bar of described preceding bar respectively, enclose the workpiece of the Al squeezing material section that is a d font before described behind the bar, the top Vehicle Processing of enclosing the d word before described behind the bar becomes cylinder, the cylinder close-fitting that encloses behind the bar before described is socketed on the rear end of described preceding bar, described back bar is a metal circular tube, described folder is made of ∩ shape part and fastener, ∩ shape part is to strike out ∩ shape groove by a sheetmetal, there is downward lug on the both sides at ∩ shape groove middle part, two lugs have the mutual parts to perforation, respectively there is a hole at front portion and the rear portion of described ∩ shape part right flank, described folder ∩ shape part perforation is rotationally connected by the circle hole to circle d font behind lock bolt and the described preceding bar, fastener is that a bar shaped elastic sheet metal front end connects button stake and a Button Handle, the rear end is riveted on the parts of described folder ∩ shape part right flank rear orifice, and the button stake of described fastener slides in the front hole of described ∩ shape part right flank, and in the interlocking hole of the right flank at interlocking bar rear portion before described.

4. V-arrangement according to claim 1 can be carried out the formula portable bicycle folding, it is characterized in that: described back vent be right angle, a bullion sheet two be bent into ∩ shape, ∩ shape two ends respectively with a mutual U-shaped slot, described front-wheel and described trailing wheel all are 8 inches wheels.

5. V-arrangement according to claim 1 can be carried out the formula portable bicycle folding, it is characterized in that: a tapped bore is arranged at the top of described handgrip pedestal the right groove rear side, the sulculus of two described U-lag plastic linings is corresponding to the convex tendon in the two described handgrip pedestal flute profiles, and be pushed in the flute profile of two described handgrip pedestals, with two described U-lag plastic lining bottoms to the perforation corresponding to two described handgrip pedestals, two flute profile both sides to the perforation, the caliber of the U-lag of described U-lag plastic lining and described left hand handle and described right handgrip is complementary, described left hand handle is equipped with a pin with the socket place that a described left side connects part, and described right handgrip and the described right socket place that connects part are equipped with a pin.

6. V-arrangement according to claim 5 can be carried out the formula portable bicycle folding, it is characterized in that: described quick detach be connected in described left lock-connecting piece up and down the hole cylinder side in the circular hole in the perforation, and be arranged in the groove of described left lock-connecting piece, described quick disassemble lock is connected in the U-lag of described right lock-connecting piece, connecting bore is arranged at the bottom of described safety catch U-shaped card, the connecting bore of described safety catch is connected in the tapped bore of the back upper lateral part of described handgrip pedestal the right groove by bolt, and the U-shaped card of described safety catch is corresponding with the fast dismounting handle of described quick detach, and engage.

7. V-arrangement according to claim 1 can be carried out the formula portable bicycle folding, it is characterized in that: described locating button is the Plastic Parts of a band C shape mouth, and the C shape mouth of described locating button is corresponding with the caliber of the described preceding bar of described pole down.

8. V-arrangement according to claim 1 can be carried out the formula portable bicycle folding, it is characterized in that: described countershaft is a left headband screw thread, right headband minor axis, the metal parts of minor axis right-hand member band screw, described countershaft cooperates by nut and is connected with the pore of the little pipe of described countershaft seat, respectively inlay a bearing in the axle bowl of the described back of the axle bowl neutralization level sprocket wheel of described prime minor sprocket, two bearings borehole jack in described prime minor sprocket and the described back level sprocket shaft bowl is connected on the minor axis of described countershaft, and in the stubborn bolt location that connects of described countershaft right-hand member, the number of teeth of described prime sprocket wheel is more than described prime minor sprocket, and the number of teeth of described back level sprocket wheel is more than described flywheel.