Summary of the invention:
The objective of the invention is to provide a kind of and can fold littlely, more complete, that can carry out after folding foldingly can carry out the formula portable bicycle.the object of the present invention is achieved like this: fold and can carry out the formula portable bicycle, comprise vehicle body, front fork, foldable bar vertical pipe, handlebar, vehicle seat, front-wheel, trailing wheel, locating button and driver train is characterized in that: vehicle body comprises front head tube, entablatrance, lower pole, rear vertical beam, Five-way tube, rear cant beam, back vent, countershaft seat and lower pipe, lower pole also comprises former piece, consequent, front bar, rear bar and folder, entablatrance also comprise upper beam pipe, the first channel, hole cylinder and quick detach, the anterior camber downwards of upper beam pipe is crooked, the welding of the front end of upper beam pipe and the top of front head tube, weld with the first channel the rear end of upper beam pipe, the first channel be a two backward right-angle bending become flute profile, then the inside right-angle bending in the both sides at front top, front top after bending rushes part with the metal of flute profile gap, each is mutual to perforation with one on the both sides of the first channel front and rear, hole cylinder is rotationally connected with the front portion of the first channel in perforation, quick detach be connected in hole cylinder to the perforation in, former piece is welded in the bottom of front head tube, and the front end of front bar is by being rotationally connected lock bolt and former piece, and folder is welded in the rear end of front bar, the front end welding folder of rear bar, rear 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 rear vertical beam and Five-way tube welding, the top of rear cant beam and Five-way tube welding, the rear end welding back vent of rear cant beam, rear cant beam is the metal circular tube of a camber bending, is connected with Five-way tube at rear vertical beam and the rear of the junction of Five-way tube and rear cant beam, be welded with reinforced sheet, rear cant beam be connected with back vent below, be welded with reinforced sheet, consequent is welded in the top of rear cant beam, and the countershaft seat is welded in the middle part of rear cant beam, and the countershaft seat is that bullion sheet two right-angle bending becomes flute profile, the both sides of flute profile are respectively mutual to perforation with one, penetrate and be welded in again mutual in perforation with one section little pipe, the rear end of rear bar is by being rotationally connected lock bolt and consequent, lower seat pipe is by bottom leaf, pipe and pipe clamp are formed by connecting, the first channel is bumped in the second channel, with the rear portion of the first channel to perforation corresponding to the second channel to perforation, and be lining into two pourable resin chocks in the crack of the first channel and the second channel, bottom leaf is bumped in the first channel, with bottom leaf to the perforation corresponding to the first channel to the perforation, and be lining into two pourable resin chocks in the crack of bottom leaf and the first channel, use again to the lock bolt penetrate the second channel to the rear portion of perforation neutralization the first channel in perforation, and bottom leaf to the perforation in, and tighten, the quick disassemble lock of entablatrance is connected in the U-shaped gap of bottom leaf, vehicle seat is installed in a lower pipe, locating button is bolted the bottom in front head tube, locating button is after this car is folding, the roundlet pipe thread of countershaft seat is lived, front fork is rotationally connected by seven bowls and front head tube, foldable bar vertical pipe is installed in the front fork tube of front fork, handlebar is installed on the top of foldable bar vertical pipe, front-wheel is installed on front fork, trailing wheel is installed on back vent, driver train comprises axis, countershaft, crank, pedal, the prime sprocket wheel, the prime minor sprocket, flywheel, the rear class minor sprocket, prime chain and rear class chain, axis is installed in Five-way tube 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, the prime minor sprocket is connected with the flywheel coaxial sleeve, and be rotationally connected with the right head of countershaft, the rear class minor sprocket is installed on the right side of trailing wheel, the prime chain is wire-wrapped on prime sprocket wheel and prime minor sprocket, the rear class chain is wire-wrapped on flywheel and rear class minor sprocket.
the invention has the beneficial effects as follows: the present invention utilizes the first channel of entablatrance to be bumped in the second channel of rear vertical beam, the bottom leaf of lower seat pipe is bumped in the first channel, wherein the interval is lining into pourable resin chock, use again the lock bolt is pinned, make between this three and can mutually fold, and when locking is rear and folding, effect is all fine, adopt the folding mode of lower pole and the deflection of beam moulding of retreading, add the folding of foldable bar vertical pipe, successfully that the present invention is very small and exquisitely folding, complete, and it is convenient to carry out, it is the another new work in folding portable bicycle, allow the customer many again a kind of folding portable bicycle.
Description of drawings:
Fig. 1 is structure of the present invention and schematic appearance
Fig. 2 is foldable bar vertical pipe folding picture of the present invention
Fig. 3 is vehicle body folding process figure of the present invention
Fig. 4 is folding complete design sketch of the present invention
In figure: 1---vehicle body, 2---front fork, 3---foldable bar vertical pipe, 4---handlebar, 5---vehicle seat, 6---front-wheel, 7---trailing wheel, 8---locating button, 9---driver train; Wherein vehicle body 1 also comprises: 11---front head tube, and 12---entablatrance, 13---lower pole, 14---rear vertical beam, 15---Five-way tube, 16---rear cant beam, 17---back vent, 18---the countershaft seat, 19---lower pipe; Entablatrance 12 also comprises: 121---upper beam pipe, and 122---the first channel, 123---hole cylinder, 124---quick detach; Lower pole 13 also comprises: 131---former piece, and 132---consequent, 133---front bar, 134---rear bar, 135---folder; Driver train 9 comprises: 91---axis, and 92---countershaft, 93---crank, 94---pedal, 95---the prime sprocket wheel, 96---the prime minor sprocket, 97---flywheel, 98---the rear class minor sprocket, 991---the prime chain, 992---the rear class chain.
The specific embodiment
According to Fig. 1, described folding can be carried out the formula portable bicycle, comprises vehicle body 1, front fork 2, foldable bar vertical pipe 3, handlebar 4, vehicle seat 5, front-wheel 6, trailing wheel 7, locating button 8 and driver train 9;
described vehicle body 1 comprises front head tube 11, entablatrance 12, lower pole 13, rear vertical beam 14, Five-way tube 15, rear cant beam 16, back vent 17, countershaft seat 18 and lower pipe 19, described entablatrance 12 comprises upper beam pipe 121, the first channel 122, hole cylinder 123 and quick detach 124, described upper beam pipe 121 pipes are pipes of anterior camber bending downwards, the top welding of the front end of described upper beam pipe 121 and described front head tube 11, the rear end of described upper beam pipe 121 and described the first channel 122 welding, described the first channel 122 be a strip metal two backward right-angle bending become flute profile, the inside right-angle bending in the both sides at flute profile top, after the both sides bending of front top with the flute profile gap, each is mutual to perforation with one on the both sides of described the first channel 122 front and rears, described hole cylinder 123 is rotationally connected with the front portion of the first channel 122 in perforation,
the two ends that described hole cylinder 123 is metal cylinders are threaded the hole, the centre of side is with the parts of a pair of perforation, described hole cylinder 123 is to be fastened in the tapped bore at two ends by two bolts, with the front portion of described the first channel 122, perforation is rotationally connected, 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-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, 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 a spring, penetrate again described hole cylinder 123 to the perforation in, and then screw in described Anti-slip nut, described quick detach 124 interlockings are in the U-shaped gap of described lower pipe 19 bottom leaves.
described lower pole 13 comprises former piece 131, consequent 132, front bar 133, rear bar 134 and folder 135, described former piece 131 is that bullion sheet two right-angle bending becomes flute profile, the both sides of flute profile are respectively with a mutual part that rushes to perforation, described former piece 131 is welded in the bottom of described front head tube 11, described consequent 132 is that bullion sheet two right-angle bending becomes flute profile, the both sides of flute profile are respectively with a mutual part that rushes to perforation, described consequent 132 is welded in the top of described rear cant beam 16, described front bar 133 is that a metal circular tube front end flattens the volume circle, the interface of volume circle has welding to locate, the parts of rear end welding one wire loop, the right flank at described front bar 133 rear portions has an interlocking hole, the volume hole of described front bar 133 is by being rotationally connected lock bolt and 131 pairs of perforation of described former piece, described rear bar 134 is metal circular tube rear end flattening volume circles, the interface of volume circle has the parts of welding location, the volume hole of described rear bar 134 is by being rotationally connected lock bolt and 132 pairs of perforation of described consequent, described folder 135 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 rear bar 134, described folder 135 ∩ shape parts perforation is rotationally connected by the circle hole to lock bolt and described front bar 133 rear ends, fastener is that a bar shaped elastic sheet metal front end connects a buckle pile and Button Handle, the rear end is riveted on the parts of described folder 135 ∩ shape part right flank rear orifices, the buckle pile of described fastener slides in the front hole of described ∩ shape part right flank, and interlocking is in the interlocking hole of the right flank at described front bar 133 rear portions.
welded top one second channel that described rear vertical beam 14 is pipes, it is one mutual to perforation that the top on described rear vertical beam 14 second channel both sides has, the bottom of described rear vertical beam 14 and 15 welding of described Five-way tube, described rear cant beam 16 is metal circular tubes of a camber bending, the top of described rear cant beam 16 and 15 welding of described Five-way tube, the described back vent 17 of rear end welding of described rear cant beam 16, described back vent 17 is that bullion sheet two right-angle folding curves ∩ shape, the two ends of ∩ shape are respectively with a mutual U-shaped slot, described rear vertical beam 14 is connected with described Five-way tube 15 and the rear of described Five-way tube 15 with the junction of described rear cant beam 16, be welded with reinforced sheet, described rear cant beam 16 be connected the below that back vent 17 connects, be welded with reinforced sheet, described countershaft seat 18 is welded in the middle part of described rear cant beam 16, described countershaft seat 18 is that bullion sheet two right-angle bending becomes flute profile, the both sides of flute profile are respectively mutual to perforation with one, penetrate and be welded in again mutual in perforation with one section little pipe.
Described lower pipe 19 comprises bottom leaf, pipe and pipe clamp, described bottom leaf one headband have circle hole, an other end vertically with the parts of a U-shaped gap, described bottom leaf is welded in the bottom of described pipe, the top socket pipe clamp of described pipe, described vehicle seat 5 is installed in described lower 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 head tube 11, described front-wheel 6 is installed on the wheel fork of described front fork 2, described trailing wheel 7 is installed on described back vent 17, described front-wheel 6 and described trailing wheel 7 are all 8 inches wheels.
described foldable bar vertical pipe 3 comprises upper-part, lower component, to the lock bolt, quick detach, safety catch, interior wedge tongue, handle riser and inside extending tube, upper-part is the tubular piece of the top draw, welding one side, bottom is with the part that rushes of cast, there is a pair of perforation at the middle part of upper-part, there is a guide hole below to perforation, the guide hole of upper-part is positioned at the opposite in the circle hole of upper-part, upper-part perpendicular with the circle hole of upper-part to perforation, the draw on upper-part top connects handle riser, lower component is that the side becomes the semicircle pocket, the blanked part of two earholes is arranged at the bottom of semicircle pocket opening, one interlocking hole is arranged at the top of lower component side, one tapped bore is arranged at the bottom of lower component side, one hole is arranged at the bottom of lower component, weld inside extending tube in the lower component bottom outlet, to penetrate the barrel of lock bolt in the circle hole of two earholes of lower component and upper-part, use again the bolt to the lock bolt to be fastened to locating in the barrel of locking bolt, quick detach comprises the quick detach handle, the circle hook bolt, plastic gasket and spring, the circle hook bolt penetrates in the hole of plastic gasket, upper-part to the perforation in and spring in, be screwed into again in the tapped bore of interior wedge tongue, interior wedge tongue is top band screw, the blanked part of the oblique hook of bottom band, the oblique hook of interior wedge tongue slides against in the guide hole of upper-part, and interlocking is in the interlocking hole of lower component, safety catch comprises pushing away to be turned round, safety plate, little spring and round head bolt, push away to turn round with safety plate and be bolted, pushing away of connecting turned round with safety plate slidably in the slotted hole of quick detach handle, an end in the slotted hole that pushes away one side of turning round and quick detach handle is also placed a little spring, round head bolt is fastened in the tapped bore of lower component, after interlocking, quick detach hooks upper safety plate the neck of round head bolt, play shellproof effect of taking off, the inside extending tube of described foldable bar vertical pipe 3 passes through hanging bolt, the cooperation of pad and swollen plug, be fixed in the front fork tube of described front fork 2, described handlebar 4 is installed at the top of described foldable bar vertical pipe 3.
Described locating button 8 is the Plastic Parts with C shape mouth, the C shape mouth of described locating button 8 is corresponding with the little pipe of described countershaft seat 18, described locating button 8 is bolted in the bottom of described front head tube 11, and described locating button 8 folds afterwards, the roundlet pipe thread of described countershaft seat 18 is lived at this car.
described driver train 9 comprises axis 91, countershaft 92, crank 93, pedal 94, prime sprocket wheel 95, prime minor sprocket 96, flywheel 97, rear class minor sprocket 98, prime chain 991 and rear class chain 992, described axis 91 is installed in described Five-way tube 15 by the axis accessory, two described cranks 93 are installed on the two ends of described axis 91, described prime sprocket wheel 95 is fixedly connected on the right crank of described crank 93, two described pedals 94 are fastened to the outer end of two described cranks 93, described countershaft 92 is installed in the pore of described countershaft seat 18 little pipes, described countershaft 92 is left headband screw threads, right headband minor axis, the metal parts of minor axis right-hand member band screw, described countershaft 92 coordinates with the pore of described countershaft seat 18 little pipes by nut and is connected, described prime minor sprocket 96 be connected flywheel 97 coaxial sleeves and connect, a bearing is respectively inlayed at the two ends of described prime minor sprocket 96 and described flywheel 97 coaxial sleeves, two bearings borehole jack in described prime minor sprocket 96 and described flywheel 97 coaxial sleeves is connected on the minor axis of described countershaft 92, and at the stubborn Bolt to position that connects of described countershaft 92 right-hand members, described rear class minor sprocket 98 is installed on the right side of described trailing wheel 7, described prime chain 991 is wire-wrapped on described prime sprocket wheel 95 and described prime minor sprocket 96, described rear class chain 992 is wire-wrapped on described flywheel 97 and described rear class minor sprocket 98, the number of teeth of described prime sprocket wheel 95 is more than described prime minor sprocket 96, the number of teeth of described flywheel 97 is more than described rear class minor sprocket 98.