CN104627299A

CN104627299A - Six-connecting-rod front drive type portable tricycle rapid to fold

Info

Publication number: CN104627299A
Application number: CN201510095043.7A
Authority: CN
Inventors: 庞明方
Original assignee: Taicang Chezhongbao Leisure Products Co Ltd
Current assignee: Taicang Chezhongbao Leisure Products Co Ltd
Priority date: 2015-03-04
Filing date: 2015-03-04
Publication date: 2015-05-20
Anticipated expiration: 2035-03-04
Also published as: CN104627299B

Abstract

A six-connecting-rod front drive type portable tricycle rapid to fold comprises a six-connecting-rod foldable beam, a head tube, a saddle tube, a saddle, a positioning clamp, a front fork, a rear linkage frame, a V-shaped foldable handle, a front wheel, two rear wheels and a driving mechanism. The six-connecting-rod foldable beam is formed by connection of a front foldable seat, a rear foldable seat, a front beam tube, a rear beam tube, a rotating vane, a groove-shaped folding piece, a connecting base, a beam latch hook, a front connecting rod and a rear connecting rod. The six-connecting-rod foldable beam is welded on the head tube and the saddle tube. The rear linkage frame is connected to the saddle tube, is connected with the rear wheels and is formed by connection of a left connecting piece, a right connecting piece, a round sliding piece, a left wheel rod, a right wheel rod, a left support rod, a right support rod and a lock pin. The front fork is connected with the head tube and connects the front wheel with the driving mechanism. The saddle is mounted on the saddle tube. The V-shaped foldable handle is connected with the front fork. The driving mechanism comprises a middle shaft, cranks, a chain wheel, pedals, a flywheel and a chain.

Description

The portable tricycle of six link rod quick-folding forerunner dynamic formulas

Technical field

The present invention relates to a kind of folding tricycle, particularly the portable tricycle of a kind of six link rod quick-folding forerunner dynamic formula.

Technical background

Several money folding tricycles that the design people formerly designs, although energy fast folding, due to the reason such as structure and structure, still fail to reach promising result little as far as possible after folding.

Summary of the invention

The object of the invention is to provide a kind of car beam to be the portable tricycle of six link rod quick-folding forerunner dynamic formulas that six link rods fold.The object of the present invention is achieved like this, the portable tricycle of six link rod quick-folding forerunner dynamic formulas, comprise six link rod folded bicycle beams, front head tube, seat pipe, saddle, locator card, front fork, rear linkage rack, V-shaped folding hand handle, front-wheel, trailing wheel and driver train, it is characterized in that: six link rod folded bicycle beams comprise front foldable base, rear foldable base, front-axle beam pipe, back rest pipe, rotating vane, flute profile folded piece, Connection Block, car beam latch hook, front rod and rear linking rod, front foldable base is opening flute profile stamping backwards, the upper and lower of front foldable base flute profile both sides respectively has one mutual to perforation, front foldable base is welded in the rear side in the middle part of front head tube, rear foldable base is opening flute profile stamping forward, the upper and lower of rear foldable base flute profile both sides respectively has one mutual to perforation, rear foldable base is welded in a front side for pipe bottom, the front end welding rotating vane of front-axle beam pipe, the rear end welding flute profile folded piece of front-axle beam pipe, flute profile folded piece is the flute profile stamping that Open Side Down, the front and rear of flute profile folded piece both sides respectively has one mutual to perforation, the rotating vane being welded in front-axle beam pipe is by lock bolt and mutual being rotationally connected perforation in front foldable base top, back rest pipe rear end welding rotating vane, the below of back rest pipe front end is welded to connect seat, in the pore of back rest pipe front end, car beam latch hook and torsion spring are also installed, the rotating vane being welded in back rest pipe is by lock bolt and mutual being rotationally connected perforation in rear foldable base top, flute profile folded piece rear portion mutual to perforation by lock bolt and mutual being rotationally connected perforation in front portion of Connection Block, front foldable base bottom mutual to perforation by enclosing be rotationally connected before lock bolt and front rod, front rod is that the two ends of the Metallic rod of a flat strip shaped respectively connect a circle, the rear circle of front rod is by lock bolt and mutual being rotationally connected perforation in Connection Block rear portion, mutual perforation is connected with the rear end thereof of rear linking rod in rear foldable base bottom, it is anterior mutual to perforation that the front end of rear linking rod is rotationally connected with flute profile folded piece, car beam latch hook in the pore of back rest pipe front end is under the effect of torsion spring, the top margin of flute profile folded piece rear end can be pinned, locator card is connected to the top of front-axle beam pipe, locator card is the Plastic Parts of a band C shape bayonet socket, head tube before locator card can fasten after six link rod folded bicycle beams are folding, seat pipe is upper connects rear linkage rack, rear linkage rack comprises left even part, right even part, cast saddle, revolver bar, rightly take turns bar, left strut, right strut, locking pin member and wheel bar card, left even part and the right part that connects divide left and right to be welded in a rear side for pipe bottom, cast saddle is slidably connected to middle part and the top of a pipe, locking pin member is installed on the rear of cast saddle, and the rear side of interlocking in the middle part of seat pipe, revolver bar and right upper end of taking turns bar are rotationally connected with on cast saddle respectively, revolver bar and right top of taking turns bar are rotationally connected the rear end of left strut and right strut respectively, the front end of left strut and right strut is connected to left even part and right even part, revolver bar and right lower end of taking turns bar hold installation two trailing wheel respectively, the rear side of seat pipe lower end goes back fifth wheel bar card, revolver bar and right take turns bar mutually draw in time, wheel bar card engages with right bar of taking turns, front fork is welded by front fork tube, Five-way tube, revolver forks piece and right forks piece of taking turns, and front fork tube is rotationally connected by seven bowls and front head tube, and revolver forks piece is connected front-wheel with right lower end of taking turns forks piece, and saddle install is in the top of seat pipe, V-shaped folding hand handle is quick interlocking formula V-shaped folding hand handle, comprise hand pedestal, left hand handle, right handgrip, left lock-connecting piece, right lock-connecting piece, hand is made up of pedestal pedestal moulding and interior poling, interior poling injection moulding is in pedestal moulding, the right and left of pedestal moulding has groove, the right and left top of pedestal moulding is U-lag, bottom is flat-bottom slot, the both sides of pedestal moulding the right and left flat-bottom slot respectively have one mutual to perforation, hand coordinates pedestal with bowl-type pad by interior poling, hanging bolt and slope nut, be fixedly connected in front fork tube, left hand is the parts being connected cast with the right handgrip bottom that is pipe, the plagiocephaly barrel of the left lock-connecting piece of lower weld of left hand handle, left lock-connecting piece is by a plagiocephaly barrel, one round head bolt and a nut are formed, twist in plagiocephaly barrel and connect round head bolt, the stubborn place of connecing of round head bolt and plagiocephaly barrel also twists and connects a nut, the channel of the right lock-connecting piece of lower weld of right handgrip, right lock-connecting piece is by channel, latch hook, to connecting bolt, spring and dowel bolt are formed, the both sides up and down of the flute profile left part of channel have mutual to perforation, a tapped bore is had in the middle part of the flute profile of channel, the upper and lower both sides of channel mutual to perforation by being rotationally connected the collar aperture in the middle part of connecting bolt and latch hook, latch hook is that left end becomes hook-type, there is collar aperture at middle part, the parts of right part band handle, the handle of latch hook there is an elongated hole, spring is positioned between the tapped bore of channel and the elongated hole of latch hook, penetrate with dowel bolt in the elongated hole of latch hook with in spring, be screwed into again in the tapped bore of channel, the cast of left hand handle and the cast of right handgrip, by two to lock bolt, be rotationally connected with respectively pedestal moulding the right and left mutual to perforation, the latch hook of right lock-connecting piece under the action of the spring, hook the round head bolt of left lock-connecting piece and realize interlocking, driver train comprises axis, crank, chain wheel, pedal, flywheel and chain, axis is rotationally connected with in five-way by axis accessory, two cranks are fixedly connected on two of axis, chain wheel is fixed on right crank, two pedals are connected to two cranks, flywheel is connected to the right side of trailing wheel, and chain is wire-wrapped in chain wheel and flywheel.

The invention has the beneficial effects as follows: the present invention adopts car beam to be six link rod folded bicycle beams, six link rod folded bicycle beams can be made together with front head tube and seat pipe fast folding and rapid deployment, the present invention adopts the folding mode of rear linkage rack, rear linkage rack is made to launch as umbrella or to draw in, rear linkage rack can not only be carried out launching or folding soon but also effectively, coordinate quick interlocking formula V-shaped folding hand handle again, make folding and expansion of the present invention have more advantage, achieve not only fast but also little folding; Owing to have employed the folding mode of rear linkage rack, two trailing wheels after the present invention is launched become splayed, and these two trailing wheel actual pitch also allowing the present invention land are larger, can more effectively anti-rollover.

Accompanying drawing explanation

Fig. 1 is structural representation of the present invention;

Fig. 2 is the constructional drawing of the present invention six link rod folded bicycle beam;

Fig. 3 is the organigram of rear linking rod of the present invention;

Fig. 4 is the constructional drawing of linkage rack after the present invention;

Fig. 5 is the organigram of locking pin member of the present invention;

Fig. 6 is that hand of the present invention is the organigram of pedestal;

Fig. 7 is the constructional drawing of the left lock-connecting piece of the present invention and right lock-connecting piece;

Fig. 8 is folding process schematic diagram of the present invention;

Fig. 9 is that the present invention folds complete figure;

In figure: 1---six link rod folded bicycle beams, 2---front head tube, 31---seat pipe, 32---saddle, 33---locator card, 4---front fork, 5---rear linkage rack, 6---V-shaped folding hand handle, 7---front-wheel, 8---trailing wheel, 9---driver train; Wherein six link rod folded bicycle beams 1 also comprise: 111---front foldable base, and 112---rear foldable base, 121---front-axle beam pipe, 122---back rest pipe, 13---rotating vane, 14---flute profile folded piece, 15---Connection Block, 16---car beam latch hook, 17---front rod, 18---rear linking rod; Rear linkage rack 5 also comprises: 511---leftly connect part, 512---right connect part, 52---cast saddle, 53---and revolver bar, 54---right take turns bar, 55---left strut, 56---right strut, 57---locking pin member, 58---wheel bar card; V-shaped folding hand also comprises 6: 61---hand pedestal, 62---left hand handle, 63---right handgrip, 64---left lock-connecting piece, 65---right lock-connecting piece; Left lock-connecting piece 64 also comprises: 641---plagiocephaly barrel, and 642---round head bolt, 643---nut; Right lock-connecting piece 65 also comprises: 651---channel, and 652---latch hook, 653---to connecting bolt, 654---spring, 655---dowel bolt.

Detailed description of the invention

According to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Fig. 7, the described portable tricycle of six link rod quick-folding forerunner dynamic formulas, comprise six link rod folded bicycle beams 1, front head tube 2, seat pipe 31, saddle 32, locator card 33, front fork 4, rear linkage rack 5, V-shaped folding hand 6, front-wheel 7, trailing wheel 8 and driver train 9;

Six described link rod folded bicycle beams 1 comprise front foldable base 111, rear foldable base 112, front-axle beam pipe 121, back rest pipe 122, rotating vane 13, flute profile folded piece 14, Connection Block 15, car beam latch hook 16, front rod 17 and rear linking rod 18, described front foldable base 111 is opening flute profile stampings backwards, the upper and lower of described front foldable base 111 flute profile both sides respectively has one mutual to perforation, described front foldable base 111 is welded in the rear side in the middle part of front head tube 2, described rear foldable base 112 is opening flute profile stampings forward, the upper and lower of described rear foldable base 112 flute profile both sides respectively has one mutual to perforation, described rear foldable base 112 is welded in the front side of a pipe 31 bottom.

Described front-axle beam pipe 121 is rectangular tubes, the front end welding rotating vane 13 of described front-axle beam pipe 121, described rotating vane 13 is sheet components of upper end band cast, the rear end welding flute profile folded piece 14 of described front-axle beam pipe 121, the top at described front-axle beam pipe 121 rear portion also has a tapped bore, described locator card 33 is one with the Plastic Parts of C shape bayonet socket, the centre of described locator card 33 has to twist and connects hole, the stubborn of described locator card 33 connects the tapped bore that hole corresponds to described front-axle beam pipe 121 rear portion, and by bolt, described locator card 33 is connected to the top at the rear portion of described front-axle beam pipe 12, the C shape bayonet socket of the described locator card 33 after being connected with described front-axle beam pipe 121 tapped bore, the top of the described front head tube 2 after folding corresponding to described six link rod folded bicycle beams 1, and the C shape bayonet socket of described locator card 33 can with described before head tube 2 engage.

Described flute profile folded piece 14 is flute profile stampings that Open Side Down, the front and rear of described flute profile folded piece 14 both sides respectively has one mutual to perforation, be welded in the cast of the described rotating vane 13 of described front-axle beam pipe 121, by to lock bolt and mutual being rotationally connected perforation in described front foldable base 111 top, described back rest pipe 122 is rectangular tubes, rotating vane after the rear end welding of described back rest pipe 122, the below of described back rest pipe 122 front end is welded to connect seat 15, described Connection Block 15 is flute profile stampings, the both sides of described Connection Block 15 flute profile front and rear respectively have one mutual to perforation, go back close-fitting in the pore of described back rest pipe 122 front end and be socketed one section of rectangular tube as reinforcement, the left and right sides of described back rest pipe 122 front end, inconjunction with socket wherein one section of rectangular tube has one mutual to perforation together, the top of described back rest pipe 122 front end, inconjunction with socket wherein one section of rectangular tube has an elongated hole together, described car beam latch hook 16 is bottoms is cast, top is the sliced pieces of the Al squeezing material of hook-type, the middle part of described car beam latch hook 16 becomes rod, one of the cast of described car beam latch hook 16 is penetrated from the top down in described back rest pipe 122 elongated hole, and by the cast of described car beam latch hook 16 correspond to described back rest pipe 122 mutual to perforation, put into torsion spring again, make torsion spring lower tube wall pushed down in one section of rectangular tube pore, one of torsion spring is made to push down on described car beam latch hook 16 rod, again with to lock bolt penetrate described back rest pipe 122 mutual to perforation in, in torsion spring collar aperture and in the collar aperture of described car beam latch hook 16 cast, and to stubborn location, the cast of described rotating vane 13 is welded with described back rest pipe 122 rear end, by to lock bolt and mutual being rotationally connected perforation in described rear foldable base 112 top.

Described flute profile folded piece 14 rear portion mutual to perforation by mutual being rotationally connected perforation in front portion of lock bolt and described Connection Block 15, described front foldable base 111 bottom mutual to perforation by enclosing be rotationally connected before lock bolt and front rod 17, described front rod 17 is that the two ends of the Metallic rod of a flat strip shaped respectively connect a circle, the rear circle of described front rod 17 is by lock bolt and described mutual being rotationally connected perforation in Connection Block 15 rear portion, mutual perforation is connected with the rear end thereof of rear linking rod 18 in described rear foldable base 112 bottom, it is anterior mutual to perforation that the front end of described rear linking rod 18 is rotationally connected with described flute profile folded piece 14, described rear linking rod 18 comprises left connecting rod, right connecting rod and barrel, left connecting rod and right connecting rod are the right-angle bendings that the two ends of two metal round rod become in the same way, then left connecting rod and the paired shape of right connecting rod coordinate, the bending part of described left connecting rod and described right connecting rod rear end has screw thread, the bending part of described left connecting rod and described right connecting rod front end has pin-and-hole, barrel has attacked screw thread in the pore of a tubular piece, barrel is positioned over described rear foldable base 112 bottom mutual to perforation between, with the screw thread of described left connecting rod and described right connecting rod rear end bending part penetrate respectively described rear foldable base 112 top mutual in perforation, with be screwed in the tapped bore of barrel, namely complete described rear linking rod 18 and described rear foldable base 112 bottom mutual to being rotationally connected of boring a hole, the bending part of described left connecting rod and described right connecting rod front end is buckled into respectively described flute profile folded piece 14 anterior mutual in perforation, and overlap Upper gasket, pin location on pin, namely described rear linking rod 18 and described flute profile folded piece 14 is completed anterior mutual to being rotationally connected of boring a hole, be arranged in the described car beam latch hook 16 of the pore of described back rest pipe 122 front end, the top margin of described flute profile folded piece 14 rear end can be pinned under the effect of torsion spring.

Described seat pipe 31 is made up of pipe and pipe clamp, the top socket pipe clamp of described seat pipe 31 pipe, rear side in the middle part of described seat pipe 31 pipe has a circular hole, the rear side of described seat pipe 31 pipe lower end has a tapped bore, and the rear side of described seat pipe 31 pipe bottom divides left and right to weld the left of rear linkage rack 5 respectively and connects part 511 and right even part 512.

Described rear linkage rack 5 comprises left even part 511, right even part 512, cast saddle 52, revolver bar 53, rightly take turns bar 54, left strut 55, right strut 56, locking pin member 57 and wheel bar card 58, described left even part 511 and described right even part 512, it is opening flute profile stamping backward, described left part 511 and the described right both sides connecting part 512 flute profile of connecting have mutual to perforation, the middle and upper part sliding block joint cast saddle 52 of described seat pipe 31 pipe, described cast saddle 52 is cut-out workpieces of an aluminium extruded type, the left back of described cast saddle 52 and right abaft, each with outwardly directed flute profile, limit is connected with one between outwardly directed two flute profiles of described cast saddle 52, the both sides of described cast saddle 52 left back and right abaft flute profile respectively have mutual to perforation, described cast saddle 52 connects the centre on limit, and in the middle of angle between described cast saddle 52 liang of flute profiles, there is the circle perforation that is mutual, locking pin member 57 is installed on described cast saddle 52 and connects in the circle perforation on limit, and during between described cast saddle 52 liang of flute profiles, the circle of angle is bored a hole, described locking pin member 57, there is a lock pin, one spring and a pin are formed, lock pin connects a handle with a columniform Metallic rod rear end injection moulding, there is a pin-and-hole front portion of lock pin, lock pin being penetrated described cast saddle 52 connects in the circle perforation on limit, penetrate again in spring, penetrate in the circle perforation of angle between described cast saddle 52 liang of flute profiles again, again pin is hammered in the pin-and-hole of lock pin front portion, the front end of spring is made to withstand pin, the company limit of described cast saddle 52 is withstood in rear end, described locking pin member 57 can with described seat pipe 31 pipe in the middle part of circular hole interlocking.

Revolver bar 53 and right pipeloop of taking turns bar 54 upper end respectively by two to lock bolt, with left back and mutual being rotationally connected perforation of right abaft flute profile of described cast saddle 52, described revolver bar 53 and described rightly take turns bar 54, it is welded top one pipeloop of a pipe, the parts of a flute profile stamping are welded in the front side on top, described revolver bar 53 and described right transverse direction also each welding one minor axis of taking turns bar 54 bottom, described revolver bar 53 and described right both sides of taking turns bar 54 flute profile stamping have one mutual to perforation, described left strut 55 and described right strut 56, the parts of front-end and back-end respectively with a cast, the front end cast of described left strut 55 and described right strut 56, leftly part 511 and part 512 flute profile mutual perforation is rotationally connected of described right company is connected with described respectively by lock bolt, the rear end cast of described left strut 55 and described right strut 56 is respectively by lock bolt, with described revolver bar 53 and described right mutual being rotationally connected perforation of flute profile stamping taking turns bar 54, described revolver bar 53 and described right minor axis each socket one trailing wheel 8 respectively of taking turns bar 54 lower end, described trailing wheel 8 is inflated wheel of 10 inches, wheel bar card 58 is fastened to the tapped bore on rear side of described seat pipe 31 pipe lower end by bolt, described wheel bar card 58 is one with the Plastic Parts of C shape bayonet socket, described centre of taking turns bar card 58 have twist connect hole, described revolver bar 53 and described right take turns bar 54 mutually draw in time, described wheel bar card 58 described rightly can take turns bar 54 with blocking.

Described saddle 32 is connected with saddle pipe, and the saddle pipe of described saddle 32 is connected in the pipe pore of described seat pipe 31.

Described front fork 4, comprise front fork tube, Five-way tube, revolver forks piece and rightly take turns forks piece, the below welding Five-way tube of front fork tube, the below welding revolver forks piece of Five-way tube and rightly take turns forks piece, revolver forks piece is that top is with arc opening, bottom is with the strip metal punching of U-shaped gap, right forks piece of taking turns is strip metal stamping with two right-angle bendings in the middle part of in the of one, right top of taking turns forks piece is with arc opening, right bottom of taking turns forks piece is with U-shaped gap, revolver forks piece after welding with Five-way tube and described rightly take turns forks piece, forming one with Five-way tube is font, front fork tube by seven bowls and described before head tube 2 be rotationally connected, with right wheel in the U-shaped gap of forks piece, front-wheel 7 is installed in the U-shaped gap of revolver forks piece, described front-wheel 7 is inflated wheel of 10 inches.

Described V-shaped folding hand is 6, comprise hand pedestal 61, left hand is 62, right handgrip 63, left lock-connecting piece 64, right lock-connecting piece 65, described hand is made up of pedestal 61 pedestal moulding and interior poling, described interior poling comprises pipe and two bolts, the outer tube diameter gear hobbing on described interior poling pipe top, the lower end of described interior poling pipe is with angle, a bolt is respectively welded in the both sides on described interior poling pipe top, the bolt that the related both sides, top of described interior poling connect together injection moulding in described pedestal moulding, described pedestal moulding becomes upper base long, to go to the bottom short isosceles trapezoid shape, the right and left of described pedestal moulding has groove, the groove on the described pedestal moulding left side is opening groove left, groove on the right of described pedestal moulding is opening groove to the right, the right and left top of described pedestal moulding is U-lag, bottom is flat-bottom slot, the U-lag of the right and left of described pedestal moulding with described left hand corresponding for the caliber of 62 and described right handgrip 63, the both sides of described pedestal moulding the right and left flat-bottom slot respectively have one mutual to perforation, described hand is poling in pedestal 61, coordinate bowl-type pad, hanging bolt and slope nut, penetrate in the front fork tube of described front fork 4, tighten hanging bolt, slope nut and described hand is made poling in pedestal 61 to be tightened up and misplace, thus make described hand that poling in pedestal 61 is fixedly connected in front fork tube, described left hand is 62 and described right handgrip 63, connected and composed by pipe and cast, described left hand is 62 and the pipe upper bend of described right handgrip 63, described left hand is connected cast 62 with the bottom of described right handgrip 63 pipe.

Described left lock-connecting piece 64 is by a plagiocephaly barrel 641, one round head bolt 642 and a nut 643 are formed, described plagiocephaly barrel 641 is that an of barrel makes plagiocephaly, the head of described plagiocephaly barrel 641 and described left hand are the lower weld of 62, twist in the tapped bore of described plagiocephaly barrel 641 and connect described round head bolt 642, the nut 643 connect described in one is also twisted at the stubborn place of connecing of described round head bolt 642 and described plagiocephaly barrel 641, described right lock-connecting piece 65 is by channel 651, latch hook 652, to connecting bolt 653, spring 654 and dowel bolt 655 are formed, described channel 651 is opening flute profiles backward, the right head of described channel 651 is plagiocephaly, the both sides up and down of described channel 651 flute profile left part have mutual to perforation, a tapped bore is had in the middle part of the flute profile of described channel 651, the right head of described channel 651 and the lower weld of described right handgrip 63, mutual perforation is rotationally connected connecting bolt 653 and the collar aperture in the middle part of described latch hook 652 by described in described channel about 651 both sides, described latch hook 652 is that left end becomes hook-type, there is collar aperture at middle part, the parts of right part band handle, the handle of described latch hook 652 there is an elongated hole, the elongated hole of described latch hook 652 is corresponding with the tapped bore of described channel 651, between the tapped bore that described spring 654 is positioned over described channel 651 and the elongated hole of described latch hook 652, penetrate in spring 654 in the elongated hole of described latch hook 652 He described with described dowel bolt 655, be screwed into again in the tapped bore of described channel 651.

Described left hand is the cast of the cast of 62 and described right handgrip 63, by two to lock bolt, be rotationally connected with respectively described pedestal moulding the right and left mutual to perforation, left hand described in expansion is 62 and described right handgrip 63, the described latch hook 652 of described right lock-connecting piece 65 is under the effect of described spring 654, the described round head bolt 642 of described left lock-connecting piece 64 can be hooked instantaneously, mutual interlocking between described right lock-connecting piece 65 and described left lock-connecting piece 64, the left hand described in realization 62, described right handgrip 63 and described hand be interfixing between pedestal 61.

Described driver train 9 comprises axis, crank, chain wheel, pedal, flywheel and chain, described axis is rotationally connected with in the Five-way tube of described front fork 4 by axis accessory, crank described in two is fixedly connected on two of described axis, described chain wheel is fixed on right crank, pedal described in two is connected to crank described in two, described pedal is folding pedals, and described flywheel is connected to the right side of described front-wheel 7, and described chain is wire-wrapped in described chain wheel and described flywheel.

Claims

1. the portable tricycle of link rod quick-folding forerunner dynamic formula, comprise six link rod folded bicycle beams, front head tube, seat pipe, saddle, locator card, front fork, rear linkage rack, V-shaped folding hand handle, front-wheel, trailing wheel and driver train, it is characterized in that: six link rod folded bicycle beams comprise front foldable base, rear foldable base, front-axle beam pipe, back rest pipe, rotating vane, flute profile folded piece, Connection Block, car beam latch hook, front rod and rear linking rod, front foldable base is opening flute profile stamping backwards, the upper and lower of front foldable base flute profile both sides respectively has one mutual to perforation, front foldable base is welded in the rear side in the middle part of front head tube, rear foldable base is opening flute profile stamping forward, the upper and lower of rear foldable base flute profile both sides respectively has one mutual to perforation, rear foldable base is welded in a front side for pipe bottom, the front end welding rotating vane of front-axle beam pipe, the rear end welding flute profile folded piece of front-axle beam pipe, flute profile folded piece is the flute profile stamping that Open Side Down, the front and rear of flute profile folded piece both sides respectively has one mutual to perforation, the rotating vane being welded in front-axle beam pipe is by lock bolt and mutual being rotationally connected perforation in front foldable base top, back rest pipe rear end welding rotating vane, the below of back rest pipe front end is welded to connect seat, in the pore of back rest pipe front end, car beam latch hook and torsion spring are also installed, the rotating vane being welded in back rest pipe is by lock bolt and mutual being rotationally connected perforation in rear foldable base top, flute profile folded piece rear portion mutual to perforation by lock bolt and mutual being rotationally connected perforation in front portion of Connection Block, front foldable base bottom mutual to perforation by enclosing be rotationally connected before lock bolt and front rod, front rod is that the two ends of the Metallic rod of a flat strip shaped respectively connect a circle, the rear circle of front rod is by lock bolt and mutual being rotationally connected perforation in Connection Block rear portion, mutual perforation is connected with the rear end thereof of rear linking rod in rear foldable base bottom, it is anterior mutual to perforation that the front end of rear linking rod is rotationally connected with flute profile folded piece, car beam latch hook in the pore of back rest pipe front end is under the effect of torsion spring, the top margin of flute profile folded piece rear end can be pinned, locator card is connected to the top of front-axle beam pipe, locator card is the Plastic Parts of a band C shape bayonet socket, head tube before locator card can fasten after six link rod folded bicycle beams are folding, seat pipe is upper connects rear linkage rack, rear linkage rack comprises left even part, right even part, cast saddle, revolver bar, rightly take turns bar, left strut, right strut, locking pin member and wheel bar card, left even part and the right part that connects divide left and right to be welded in a rear side for pipe bottom, cast saddle is slidably connected to middle part and the top of a pipe, locking pin member is installed on the rear of cast saddle, and the rear side of interlocking in the middle part of seat pipe, revolver bar and right upper end of taking turns bar are rotationally connected with on cast saddle respectively, revolver bar and right top of taking turns bar are rotationally connected the rear end of left strut and right strut respectively, the front end of left strut and right strut is connected to left even part and right even part, revolver bar and right lower end of taking turns bar hold installation two trailing wheel respectively, the rear side of seat pipe lower end goes back fifth wheel bar card, revolver bar and right take turns bar mutually draw in time, wheel bar card engages with right bar of taking turns, front fork is welded by front fork tube, Five-way tube, revolver forks piece and right forks piece of taking turns, and front fork tube is rotationally connected by seven bowls and front head tube, and revolver forks piece is connected front-wheel with right lower end of taking turns forks piece, and saddle install is in the top of seat pipe, V-shaped folding hand handle is quick interlocking formula V-shaped folding hand handle, comprise hand pedestal, left hand handle, right handgrip, left lock-connecting piece, right lock-connecting piece, hand is made up of pedestal pedestal moulding and interior poling, interior poling injection moulding is in pedestal moulding, the right and left of pedestal moulding has groove, the right and left top of pedestal moulding is U-lag, bottom is flat-bottom slot, the both sides of pedestal moulding the right and left flat-bottom slot respectively have one mutual to perforation, hand coordinates pedestal with bowl-type pad by interior poling, hanging bolt and slope nut, be fixedly connected in front fork tube, left hand is the parts being connected cast with the right handgrip bottom that is pipe, the plagiocephaly barrel of the left lock-connecting piece of lower weld of left hand handle, left lock-connecting piece is by a plagiocephaly barrel, one round head bolt and a nut are formed, twist in plagiocephaly barrel and connect round head bolt, the stubborn place of connecing of round head bolt and plagiocephaly barrel also twists and connects a nut, the channel of the right lock-connecting piece of lower weld of right handgrip, right lock-connecting piece is by channel, latch hook, to connecting bolt, spring and dowel bolt are formed, the both sides up and down of the flute profile left part of channel have mutual to perforation, a tapped bore is had in the middle part of the flute profile of channel, the upper and lower both sides of channel mutual to perforation by being rotationally connected the collar aperture in the middle part of connecting bolt and latch hook, latch hook is that left end becomes hook-type, there is collar aperture at middle part, the parts of right part band handle, the handle of latch hook there is an elongated hole, spring is positioned between the tapped bore of channel and the elongated hole of latch hook, penetrate with dowel bolt in the elongated hole of latch hook with in spring, be screwed into again in the tapped bore of channel, the cast of left hand handle and the cast of right handgrip, by two to lock bolt, be rotationally connected with respectively pedestal moulding the right and left mutual to perforation, the latch hook of right lock-connecting piece under the action of the spring, hook the round head bolt of left lock-connecting piece and realize interlocking, driver train comprises axis, crank, chain wheel, pedal, flywheel and chain, axis is rotationally connected with in five-way by axis accessory, two cranks are fixedly connected on two of axis, chain wheel is fixed on right crank, two pedals are connected to two cranks, flywheel is connected to the right side of trailing wheel, and chain is wire-wrapped in chain wheel and flywheel.

2. the portable tricycle of six link rod quick-folding forerunner dynamic formula according to claim 1, it is characterized in that: described front-axle beam pipe is a rectangular tube, described rotating vane is the sheet component of upper end band cast, the top at described front-axle beam pipe rear portion also has a tapped bore, described back rest pipe is a rectangular tube, described Connection Block is a flute profile stamping, the both sides of described Connection Block flute profile front and rear respectively have one mutual to perforation, go back close-fitting in the pore of described back rest pipe front end and be socketed one section of rectangular tube as reinforcement, the left and right sides of described back rest pipe front end, inconjunction with socket wherein one section of rectangular tube has one mutual to perforation together, the top of described back rest pipe front end, inconjunction with socket wherein one section of rectangular tube has an elongated hole together.

3. the portable tricycle of six link rod quick-folding forerunner dynamic formula according to claim 1, it is characterized in that: described car beam latch hook is bottom is cast, top is the sliced pieces of the Al squeezing material of hook-type, the middle part of described car beam latch hook becomes rod, one of the cast of described car beam latch hook is penetrated from the top down in described back rest pipe range hole, and by the cast of described car beam latch hook correspond to described back rest pipe mutual to perforation, put into torsion spring again, make torsion spring lower tube wall pushed down in one section of rectangular tube pore, one of torsion spring is made to push down on described car beam latch hook rod, again with to lock bolt penetrate described back rest pipe mutual to perforation in, in torsion spring collar aperture and in the collar aperture of described car beam latch hook cast, and to stubborn location.

4. the portable tricycle of six link rod quick-folding forerunner dynamic formula according to claim 1, it is characterized in that: described rear linking rod comprises left connecting rod, right connecting rod and barrel, left connecting rod and right connecting rod are the right-angle bendings that the two ends of two metal round rod become in the same way, then left connecting rod and the paired shape of right connecting rod coordinate, the bending part of described left connecting rod and described right connecting rod rear end has screw thread, the bending part of described left connecting rod and described right connecting rod front end has pin-and-hole, barrel has attacked screw thread in the pore of a tubular piece, barrel is positioned over described rear foldable base bottom mutual to perforation between, with the screw thread of described left connecting rod and described right connecting rod rear end bending part penetrate respectively described rear foldable base top mutual in perforation, with be screwed in the tapped bore of barrel, namely complete described rear linking rod and described rear foldable base bottom mutual to being rotationally connected of boring a hole, the bending part of described left connecting rod and described right connecting rod front end is buckled into respectively described flute profile folded piece anterior mutual in perforation, and overlap Upper gasket, pin location on pin, namely described rear linking rod and described flute profile folded piece is completed anterior mutual to being rotationally connected of boring a hole.

5. the portable tricycle of six link rod quick-folding forerunner dynamic formula according to claim 1, it is characterized in that: described left even part and described right even part, it is opening flute profile stamping backward, described left part and the described right both sides connecting part flute profile of connecting have mutual to perforation, described cast saddle is the cut-out workpiece of an aluminium extruded type, the left back of described cast saddle and right abaft, each with outwardly directed flute profile, limit is connected with one between outwardly directed two flute profiles of described cast saddle, the both sides of described cast saddle left back and right abaft flute profile respectively have mutual to perforation, described cast saddle connects the centre on limit, and in the middle of angle between described cast saddle two flute profile, there is the circle perforation that is mutual, locking pin member is installed on described cast saddle and connects in the circle perforation on limit, and during between described cast saddle two flute profile, the circle of angle is bored a hole, described locking pin member, there is a lock pin, one spring and a pin are formed, lock pin connects a handle with a columniform Metallic rod rear end injection moulding, there is a pin-and-hole front portion of lock pin, lock pin being penetrated described cast saddle connects in the circle perforation on limit, penetrate again in spring, penetrate in the circle perforation of angle between described cast saddle two flute profile again, again pin is hammered in the pin-and-hole of lock pin front portion, the front end of spring is made to withstand pin, the company limit of described cast saddle is withstood in rear end, described locking pin member can with described seat pipe pipe in the middle part of circular hole interlocking.

6. the portable tricycle of six link rod quick-folding forerunner dynamic formula according to claim 1, it is characterized in that: described revolver bar and described rightly take turns bar, it is welded top one pipeloop of a pipe, the parts of a flute profile stamping are welded in the front side on top, described revolver bar and described right transverse direction also each welding one minor axis of taking turns bar bottom, described revolver bar and described right both sides of taking turns bar flute profile stamping have one mutual to perforation, described left strut and described right strut, the parts of front-end and back-end respectively with a cast, described revolver bar and described right minor axis each socket one trailing wheel respectively of taking turns bar lower end.

7. the portable tricycle of six link rod quick-folding forerunner dynamic formula according to claim 1, it is characterized in that: the below welding Five-way tube of front fork tube, the below welding revolver forks piece of Five-way tube and rightly take turns forks piece, revolver forks piece is top with arc opening, bottom with the strip metal punching of U-shaped gap, right forks piece of taking turns is strip metal stamping with two right-angle bendings in the middle part of in the of one, right top of taking turns forks piece is with arc opening, right bottom of taking turns forks piece is with U-shaped gap, revolver forks piece after welding with Five-way tube and described rightly take turns forks piece, forming one with Five-way tube is font.

8. the portable tricycle of six link rod quick-folding forerunner dynamic formula according to claim 1, it is characterized in that: described interior poling comprises pipe and two bolts, the outer tube diameter gear hobbing on described interior poling pipe top, the lower end of described interior poling pipe is with angle, a bolt is respectively welded in the both sides on described interior poling pipe top, described pedestal moulding becomes upper base long, to go to the bottom short isosceles trapezoid shape, the right and left of described pedestal moulding has groove, the groove on the described pedestal moulding left side is opening groove left, groove on the right of described pedestal moulding is opening groove to the right, the U-lag of the right and left of described pedestal moulding with described left hand corresponding with the caliber of described right handgrip.

9. the portable tricycle of six link rod quick-folding forerunner dynamic formula according to claim 1, it is characterized in that: described plagiocephaly barrel is that an of barrel makes plagiocephaly, the head of described plagiocephaly barrel and the lower weld of described left hand handle, described channel is opening flute profile backward, the right head of described channel is plagiocephaly, the right head of described channel and the lower weld of described right handgrip, mutual interlocking between described right lock-connecting piece and described left lock-connecting piece, the left hand described in realization, described right handgrip and described hand interfixing between pedestal.