CN204473011U - The upper and lower override type portable bicycle of six link rod quick-foldings - Google Patents

Abstract

The upper and lower override type portable bicycle of a kind of six link rod quick-folding, comprise six link rod folded bicycle beams, front head tube, seat pipe, saddle, front fork, after-frame, V-shaped folding hand handle, front-wheel, trailing wheel and driver train, six link rod folded bicycle beams are by 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 are formed by connecting, six link rod folded bicycle beams are connected to front head tube and seat pipe, seat pipe welding after-frame, the left and right dropout of after-frame installs trailing wheel, the bearing seat of after-frame and fix shaft install driver train, front fork is connected to front head tube, front-wheel is connected to front fork, saddle install is managed in seat, V-shaped folding hand handle is connected with front wheel carrier, driver train comprises left bent axle, right bent axle, chain wheel, two treadles, two steps, flywheel and chain.

Description

The upper and lower override type portable bicycle of six link rod quick-foldings

technical field:

The utility model relates to a kind of folding portable bicycle, particularly the upper and lower override type portable bicycle of a kind of six link rod quick-folding.

technical background:

The folding bicycle of override type up and down that the design people formerly designs, although can fold, due to the reason such as structure and structure, promising result that can be less after the speed of also failing to reach folding is faster, folding.

utility model content:

The purpose of this utility model a kind of car beam will be provided to be that six link rods fold and drive wheel is arranged on front-wheel---the upper and lower override type portable bicycle of six link rod quick-foldings.The purpose of this utility model realizes like this, the upper and lower override type portable bicycle of six link rod quick-foldings, comprise six link rod folded bicycle beams, front head tube, seat pipe, saddle, locator card, front fork, after-frame, 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 of front head tube bottom, 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 anterior mutual being rotationally connected perforation 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, the bearing seat of the lower end welding after-frame of seat pipe, after-frame comprises bearing seat, connecting leg, fix shaft, left back forks piece and right back forks piece, bearing seat backhand welding is managed in succession, the rear end welding fix shaft of connecting leg, left back forks piece and right back forks piece are welded in the back lower place of bearing seat, trailing wheel is installed in the rear end of left back forks piece and right back forks piece, front fork and front head tube are rotationally connected, the lower end of front fork connects front-wheel, saddle install is in the top of seat pipe, locator card is connected to the top of back rest pipe front portion, locator card is the Plastic Parts of a band C shape bayonet socket, after six link rod folded bicycle beams are folding, locator card blocks seat pipe, and do not unclamp after making six link rod folded bicycle beams folding, 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 left bent axle, right bent axle, chain wheel, two treadles, two steps, flywheel and chain, right bent axle is fixedly connected with chain wheel, left bent axle and right bent axle are interconnected in the two bearings endoporus in bearing seat, the rear end of two treadles is socketed on the two ends of fix shaft respectively, treadle is by flat tube, sleeve, barrel and chute are formed, the rear end welded sleeve of flat tube, front end welding barrel, chute is an oblong circle, chute is welded in the rear portion of flat tube, each socket one bearing on the minor axis of left bent axle and right bent axle, left bent axle and right bent axle minor axis head bearing, be slidably connected in the chute at the rear portion of two treadles respectively, two steps are fastened to the front end of two treadles respectively, flywheel is installed on the right side of trailing wheel, on chain solderless wrapped connection and chain wheel and flywheel.

The beneficial effects of the utility model are: the utility model 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, coordinate quick interlocking formula V-shaped folding hand handle again, folding and expansion of the present utility model is made to have more advantage, achieve not only fast but also little folding, respectively bearing is provided with by the right-hand member of the left end of left bent axle and right bent axle, and be slidably connected in the chute at treadle rear portion, such that the driver train of upper and lower override type is simplified, cost reduces.

accompanying drawing illustrates:

Fig. 1 is the utility model structural representation

Fig. 2 is the constructional drawing of the utility model six link rod folded bicycle beam

Fig. 3 is the organigram of the utility model rear linking rod

Fig. 4 is that the utility model hand is the organigram of pedestal

Fig. 5 is the constructional drawing of the left lock-connecting piece of the utility model and right lock-connecting piece

Fig. 6 is the anatomical connectivity figure of the left bent axle of the utility model, right bent axle and chain wheel

Fig. 7 is the utility model folding process schematic diagram

Fig. 8 is that the utility model 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---after-frame, 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; After-frame 5 also comprises: 51---bearing seat, and 52---connecting leg, 53---fix shaft, 54---left back forks piece, 55---right back forks piece; 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; Driver train 9 also comprises: 91---left bent axle, and 92---right bent axle, 92---chain wheel, 94---treadle, 95---step, 96---flywheel, 97---chain.

detailed description of the invention:

According to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, the described upper and lower override type portable bicycle of six link rod quick-foldings, comprise six link rod folded bicycle beams 1, front head tube 2, seat pipe 31, saddle 32, locator card 33, front fork 4, after-frame 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 of front head tube 2 bottom, 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 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, 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, the rear end welding rotating vane 13 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, the top of described back rest pipe 122 front portion also has tapped bore, 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 rear side welding back vent 5 of described seat pipe 31 pipe lower end, the top socket pipe clamp of described seat pipe 31 pipe, the bearing seat 51 of the lower end welding after-frame 5 of described seat pipe 31, described after-frame 5 comprises bearing seat 51, connecting leg 52, fix shaft 53, left back forks piece 54 and right back forks piece 55, described bearing seat 51 is that the double-ended vehicle of one section of pipe pore has the step placing bearing, described bearing seat welds described connecting leg 52 backward, described seat pipe 31, also reinforcing chip is welded with between described bearing seat 51 and described connecting leg 52, the left and right end of described bearing seat 51 respectively inlays a bearing, the rear end welding fix shaft 53 of described connecting leg 52, described fix shaft 53 is axles that two lathe car of a round steel is little, the center of the two ends end points of described fix shaft 53 has axial tapped bore, left back forks piece 54 and right back forks piece 55 are welded in the back lower place of described bearing seat 51, described left back forks piece 54 is that top is with arc opening, bottom is with the strip metal punching of U-shaped gap, described right back forks piece 55 is the strip metal stampings with two right-angle bendings in the middle part of in the of, the top of right back forks piece 55 is with arc opening, the bottom of right back forks piece 55 is with U-shaped gap, left back forks piece 54 described in after welding with described bearing seat 51 and described right back forks piece 55, forming one with described bearing seat 51 is font, in the U-shaped gap of described left back forks piece 54 and in the U-shaped gap of described right back forks piece 55, trailing wheel 8 is installed, described trailing wheel 8 is inflated wheel of 8 inches.

Described saddle 32 is connected with saddle pipe, the saddle pipe of described saddle 32 is connected in the pipe pore of described seat pipe 31, 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 back rest pipe 122 front portion, and by bolt, described locator card 33 is connected to the front portion of described back rest pipe 122, the C shape bayonet socket of the described locator card 33 after being connected with described back rest pipe 122 tapped bore, the top of the described seat pipe 31 after folding corresponding to described six link rod folded bicycle beams 1, and the C shape bayonet socket of described locator card 33 can engage with the top of described seat pipe 31.

Described front fork 4 is made up of front fork tube and wheel fork, wheel fork is the metal stamping of a fork-shaped, the lower end of wheel fork both sides has mutual U-shaped gap, the top of wheel fork connects front fork tube, the front fork tube of described front fork 4 by seven bowls and described before head tube 2 be rotationally connected, the U-shaped gap of described front fork 4 wheel fork both sides installs front-wheel 7, and described front-wheel 7 is inflated wheel of 8 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 left bent axle 91, right bent axle 92, chain wheel 93, treadle 94, step 95, flywheel 96 and chain 97, described left bent axle 91 is by square shaft, left crank and left minor axis are formed, there is the tapped bore of an axis centre of the right-hand member end points of square shaft, the left end close-fitting of square shaft is socketed in the square hole of left crank, left crank is the metal stamping of sheet, one of left crank has a square hole, there is a circular hole other end, left minor axis is the axle that two lathe car of a round steel is little, there is the tapped bore of an axis centre of the left head end point of left minor axis, the right-hand member close-fitting of left minor axis is socketed in the circular hole of left crank, the left end of left minor axis is socketed a bearing, and be fastened to a bolt in the tapped bore of left minor axis bearing is located, described right bent axle 92 is by square hole circular shaft, right crank and right minor axis are formed, square hole circular shaft is the axle of a powder metallurgy, the profile of square hole circular shaft is cylindrical, the right-hand member of square hole circular shaft has a right convex tenon, there is a square hole at the square hole axial left part of circle and middle part, the axial right-hand member of square hole circle, and there is a counterbore centre being positioned at tenon, a through hole is had between the counterbore of square hole circular shaft and square hole, right crank is the metal stamping of sheet, one of right crank has a mortise, there is a circular hole other end, right crank is welded in the left surface of chain wheel 93, and make the mortise of right crank correspond to the interstitial hole of described chain wheel 93, described chain wheel 93 also on have circular hole corresponding to right crank, be socketed on the tenon of square hole circular shaft with close-fitting in described chain wheel 93 interstitial hole in the mortise of right crank, right minor axis is socketed with close-fitting in the circular hole of right crank in the circular hole of described chain wheel 93 correspondence, right minor axis is the axle that two lathe car of a round steel is little, there is the tapped bore of an axis centre of the right head end point of right minor axis, the right-hand member of right minor axis is socketed a bearing, and be fastened to a bolt in the tapped bore of right minor axis bearing is located, the square hole circular shaft of described right bent axle 92 penetrates in the endoporus of two bearings in described bearing seat 51 from right to left, the square shaft of described left bent axle 91 penetrates from left to right in the square hole of described right bent axle 92 square hole circular shaft, and make the left minor axis of described left bent axle 91 become 180 ° of correspondences with the right minor axis of described right bent axle 92, a bolt is penetrated in through hole again in described right bent axle 92 square hole circular shaft counterbore, and be fastened in the tapped bore of described left bent axle 91 square shaft fixing, the bent axle 92 on described left bent axle 91 and the described right side is made to be rotationally connected with in described bearing seat 51, described treadle 94 is by flat tube, sleeve, barrel and chute are formed, the rear end welded sleeve of flat tube, front end welding barrel, the below welding chute at the rear portion of flat tube, sleeve is the blank of thick-walled tube, barrel has attacked screw thread in the pore being cut into cast thick-walled tube, chute is bent as circular arc at two of the flat metal of a bar shaped, make the circle of the flat metal bending long circle of a bar shaped, described in two, the sleeve turning set of treadle 94 is connected to two of described fix shaft 53, and coordinate two pads to be fastened in the tapped bore at described fix shaft 53 two ends with two bolts, by treadle 94 rotational positioning described in two in two of described fix shaft 53, and make the slotted hole of treadle 94 chute described in two be socketed on on left minor axis connection bearing respectively, and with on right minor axis connection bearing, described step 95 is pedals of bicycle, step 95 described in two is fastened in the barrel of treadle 94 described in two respectively, described flywheel 96 is connected to the right side of described trailing wheel 8, described chain 97 is wire-wrapped on described chain wheel 93 and described flywheel 96.

Claims (10)

1. the upper and lower override type portable bicycle of link rod quick-folding, comprise six link rod folded bicycle beams, front head tube, seat pipe, saddle, locator card, front fork, after-frame, 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 of front head tube bottom, 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 anterior mutual being rotationally connected perforation 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, the bearing seat of the lower end welding after-frame of seat pipe, after-frame comprises bearing seat, connecting leg, fix shaft, left back forks piece and right back forks piece, bearing seat backhand welding is managed in succession, the rear end welding fix shaft of connecting leg, left back forks piece and right back forks piece are welded in the back lower place of bearing seat, trailing wheel is installed in the rear end of left back forks piece and right back forks piece, front fork and front head tube are rotationally connected, the lower end of front fork connects front-wheel, saddle install is in the top of seat pipe, locator card is connected to the top of back rest pipe front portion, locator card is the Plastic Parts of a band C shape bayonet socket, after six link rod folded bicycle beams are folding, locator card blocks seat pipe, and do not unclamp after making six link rod folded bicycle beams folding, 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 left bent axle, right bent axle, chain wheel, two treadles, two steps, flywheel and chain, right bent axle is fixedly connected with chain wheel, left bent axle and right bent axle are interconnected in the two bearings endoporus in bearing seat, the rear end of two treadles is socketed on the two ends of fix shaft respectively, treadle is by flat tube, sleeve, barrel and chute are formed, the rear end welded sleeve of flat tube, front end welding barrel, chute is an oblong circle, chute is welded in the rear portion of flat tube, each socket one bearing on the minor axis of left bent axle and right bent axle, left bent axle and right bent axle minor axis head bearing, be slidably connected in the chute at the rear portion of two treadles respectively, two steps are fastened to the front end of two treadles respectively, flywheel is installed on the right side of trailing wheel, on chain solderless wrapped connection and chain wheel and flywheel.

2. the upper and lower override type portable bicycle of six link rod quick-folding 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, 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, the top of described back rest pipe front portion also has tapped bore.

3. the upper and lower override type portable bicycle of six link rod quick-folding 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 upper and lower override type portable bicycle of six link rod quick-folding 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 upper and lower override type portable bicycle of six link rod quick-folding according to claim 1, it is characterized in that: described bearing seat is that the double-ended vehicle of one section of pipe pore has the step placing bearing, described fix shaft is the axle that two lathe car of a round steel is little, the center of the two ends end points of described fix shaft has axial tapped bore, described left back forks piece is that top is with arc opening, bottom is with the strip metal punching of U-shaped gap, described right back forks piece is the strip metal stamping with two right-angle bendings in the middle part of in the of, the top of right back forks piece is with arc opening, the bottom of right back forks piece is with U-shaped gap, left back forks piece described in after welding with described bearing seat and described right back forks piece, forming one with described bearing seat is font.

6. the upper and lower override type portable bicycle of six link rod quick-folding according to claim 1, it is characterized in that: the centre of described locator card has to twist and connects hole, the stubborn of described locator card connects the tapped bore that hole corresponds to described back rest pipe front portion, and by bolt, described locator card is connected to the front portion of described back rest pipe, the centre of described locator card has to twist and connects hole, the stubborn of described locator card connects the tapped bore that hole corresponds to described back rest pipe front portion, and by bolt, described locator card is connected to the front portion of described back rest pipe, the C shape bayonet socket of the described locator card after being connected with described back rest gas thread hole, the top of the described seat pipe after folding corresponding to described six link rod folded bicycle beams.

7. the upper and lower override type portable bicycle of six link rod quick-folding 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.

8. the upper and lower override type portable bicycle of six link rod quick-folding 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.

9. the upper and lower override type portable bicycle of six link rod quick-folding according to claim 1, it is characterized in that: described left bent axle is by square shaft, left crank and left minor axis are formed, there is the tapped bore of an axis centre of the right-hand member end points of square shaft, the left end close-fitting of square shaft is socketed in the square hole of left crank, left crank is the metal stamping of sheet, one of left crank has a square hole, there is a circular hole other end, left minor axis is the axle that two lathe car of a round steel is little, there is the tapped bore of an axis centre of the left head end point of left minor axis, the right-hand member close-fitting of left minor axis is socketed in the circular hole of left crank, the left end of left minor axis is socketed a bearing, and be fastened to a bolt in the tapped bore of left minor axis bearing is located, described right bent axle is by square hole circular shaft, right crank and right minor axis are formed, square hole circular shaft is the axle of a powder metallurgy, the profile of square hole circular shaft is cylindrical, the right-hand member of square hole circular shaft has a right convex tenon, there is a square hole at the square hole axial left part of circle and middle part, the axial right-hand member of square hole circle, and there is a counterbore centre being positioned at tenon, a through hole is had between the counterbore of square hole circular shaft and square hole, right crank is the metal stamping of sheet, one of right crank has a mortise, there is a circular hole other end, right crank is welded in the left surface of chain wheel, and make the mortise of right crank correspond to the interstitial hole of described chain wheel, described chain wheel also on have circular hole corresponding to right crank, be socketed on the tenon of square hole circular shaft with close-fitting in described chain wheel interstitial hole in the mortise of right crank, right minor axis is socketed with close-fitting in the circular hole of right crank in the circular hole that described chain wheel is corresponding, right minor axis is the axle that two lathe car of a round steel is little, there is the tapped bore of an axis centre of the right head end point of right minor axis, the right-hand member of right minor axis is socketed a bearing, and be fastened to a bolt in the tapped bore of right minor axis bearing is located, the square hole circular shaft of described right bent axle penetrates in the endoporus of two bearings in described bearing seat from right to left, the square shaft of described left bent axle penetrates from left to right in the square hole of described right bent axle square hole circular shaft, and make the left minor axis of described left bent axle become 180 ° of correspondences with the right minor axis of described right bent axle, a bolt is penetrated in through hole again in described right bent axle square hole circular shaft counterbore, and be fastened in the tapped bore of described left bent axle square shaft fixing, described left bent axle and described right crank rotation are connected in described bearing seat.

10. the upper and lower override type portable bicycle of six link rod quick-folding according to claim 1, it is characterized in that: sleeve is the blank of thick-walled tube, barrel has attacked screw thread in the pore being cut into cast thick-walled tube, chute is the circle bending two of the flat metal of a bar shaped as circular arc, make the flat metal bending long circle of a bar shaped, the sleeve turning set of treadle described in two is connected to two of described fix shaft, and coordinates two pads to be fastened in the tapped bore at described fix shaft two ends with two bolts.