CN104494761B - Trailing wheel turning formula folding portable bicycle - Google Patents
Trailing wheel turning formula folding portable bicycle Download PDFInfo
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- CN104494761B CN104494761B CN201510015122.2A CN201510015122A CN104494761B CN 104494761 B CN104494761 B CN 104494761B CN 201510015122 A CN201510015122 A CN 201510015122A CN 104494761 B CN104494761 B CN 104494761B
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Abstract
nullA kind of trailing wheel turning formula folding portable bicycle，Including folding bicycle beam、Rear tubular member、Seat pipe、Saddle、Locator card、V-shaped folding hand handle、Back vent、Gear train、Front-wheel、Trailing wheel and drive mechanism，Fold and be connected with Five-way tube and front fork in bicycle beam，Front fork connects front-wheel，Fold bicycle beam and can carry out two foldings by connecting rod，Rear tubular member welds with seat pipe，The pipe of rear tubular member is rotationally connected V-shaped folding hand handle，The bottom of V-shaped folding hand handle connects the front gear of gear train，The bearing block of rear tubular member is rotationally connected back vent，Back vent connects trailing wheel，The top of back vent is also connected with the backgear of gear train，Seat pipe connects saddle，It is also connected with locator card on the saddle pipe of saddle，Axis is connected to Five-way tube，Two cranks are fixedly connected on two of axis，Chain wheel is positioned at right crank，Pedal is connected to two cranks，Flywheel is connected to front-wheel，Chain is wire-wrapped in chain wheel and flywheel.
Description
Technical field
The present invention relates to a kind of folding portable bicycle, particularly to a kind of trailing wheel turning formula folding portable bicycle.
Background technology
Several money folding bicycles of the design people's previous design, although have the folding portable bicycle that folding rate is fast, fold smaller, but due to the reason such as structure and structure, be also the failure to reach the least promising result after folding.
Summary of the invention
The invention aims to provide a kind of and fold bicycle beam, handlebar is arranged on below saddle, and uses the trailing wheel turning formula folding portable bicycle of trailing wheel turning mode.The object of the present invention is achieved like this；nullTrailing wheel turning formula folding portable bicycle，Including folding bicycle beam、Rear tubular member、Seat pipe、Saddle、Locator card、V-shaped folding hand handle、Back vent、Gear train、Front-wheel、Trailing wheel and drive mechanism，It is characterized in that: fold bicycle beam and include foldable base、Back rest pipe、Front-axle beam pipe、Rear rotating vane、Thick-walled tube、Flute profile folded piece、Bicycle beam latch hook、Connecting rod、Five-way tube and front fork，Foldable base is opening flute profile stamping forward，It is mutual to perforation that the upper and lower of foldable base flute profile both sides is respectively arranged with one，Foldable base is welded in the front side of rear tubular member，Rotating vane after the welding of back rest pipe rear end，The top welding thick-walled tube of back rest pipe front end，The pore of back rest pipe front end is also equipped with bicycle beam latch hook and torsion spring，The collar aperture of rear rotating vane is by lock to perforation be rotationally connected mutual with foldable base bottom of bolt，The rear end welding flute profile folded piece of front-axle beam pipe，Flute profile folded piece is the flute profile stamping of opening upwards，It is mutual to perforation that the front and rear of flute profile folded piece both sides is respectively arranged with one，The front end welding Five-way tube of front-axle beam pipe，The front lower place welding front fork of Five-way tube，Front-wheel is connected on front fork，Flute profile folded piece rear portion mutual to be punched through to lock bolt be rotationally connected with thick-walled tube，Mutual perforation is connected with the rear end thereof of connecting rod in foldable base top，It is anterior mutual to perforation that the front end of connecting rod is rotationally connected with flute profile folded piece，Connecting rod includes left connecting rod、Right connecting rod and barrel，Left connecting rod and right connecting rod are the rod like parts of two ends bending at a right angle，The bending part of left connecting rod and right connecting rod rear end has screw thread，The bending part of left connecting rod and right connecting rod front end has pin-and-hole，Barrel be a tubular member pore in tapped，Barrel is positioned over foldable base top mutual to perforation between，With the screw thread of left connecting rod and right connecting rod rear end bending part respectively penetrate foldable base top mutual to perforation in、With in the screwed hole being screwed into barrel，I.e. complete connecting rod perforation be rotationally connected mutual with foldable base top，The bending part of left connecting rod and right connecting rod front end is buckled into respectively flute profile folded piece anterior mutual in perforation，And overlap Upper gasket、Pin location on pin，I.e. complete connecting rod mutual perforation be rotationally connected anterior with flute profile folded piece，Bicycle beam latch hook in the pore of back rest pipe front end is under the effect of torsion spring，The base of flute profile folded piece rear end can be pinned；Rear tubular member is by a pipe, one bearing block and a connecting tube are welded, the upper end of rear tubular member pipe pore is provided with headset group, the lower end of rear tubular member pipe pore is provided with bearing, the upper and lower side of rear tubular member bearing block respectively inlays a bearing, the front side on rear tubular member pipe top is welded with seat pipe, seat pipe is by a pipe, one connecting tube and a pipe clamp are constituted, the connecting tube of the rear side welding seat pipe of seat pipe pipe bottom, the top socket pipe clamp of seat pipe pipe, saddle is connected to seat pipe, saddle is also connected with locator card with the junction of seat pipe, locator card is the working of plastics that a cast is connected with C-shaped card one, the cast borehole jack of locator card is connected on the saddle pipe of saddle, after folding bicycle beam folding, locator card blocks the tire of front-wheel, and it is the loosest after making folding bicycle beam fold；nullV-shaped folding hand handle is quick interlocking Formula V font folding hand handle，Including handle base、Left hand handle、Right handgrip、Left lock-connecting piece、Right lock-connecting piece，Handle base is made up of pedestal moulding and interior poling，Interior poling is molded in pedestal moulding，The lower end of interior poling connects hexagon prism，There is screwed hole the centre of the bottom of hexagon prism，Interior poling penetrates in the headset group of rear tubular member pipe upper end，The hexagon prism making interior poling lower end penetrates in the brearing bore of rear tubular member pipe lower end、And win downwards，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，It is mutual to perforation that pedestal moulding the right and left flat-bottom slot is all respectively arranged with one in both sides，Left hand connects the parts of cast the bottom with right handgrip being pipe，The trapezoid block of the left lock-connecting piece of lower weld of left hand handle，Left lock-connecting piece is by a trapezoid block、One snap bolt and a nut are constituted，The right side twist-on snap bolt of trapezoid block，Also twist-on one nut at the twist-on of snap bolt and trapezoid block，The channel of the right lock-connecting piece of lower weld of right handgrip，Right lock-connecting piece is by channel、Latch hook、To lock bolt、Spring and bolt are constituted，The both sides up and down of the flute profile left part of channel have mutual to perforation，A screwed hole is had in the middle part of the flute profile of channel，The mutual collar aperture being punched through in the middle part of lock bolt and latch hook is rotationally connected in the upper and lower both sides of channel，Latch hook is that left end becomes hook-type、There is collar aperture at middle part、The parts of right part band handle，An elongated hole is had on the handle of latch hook，Spring is positioned between the screwed hole of channel and the elongated hole of latch hook，Penetrate in the elongated hole of latch hook with bolt and in spring，It is screwed into again in the screwed hole 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, hooks the snap bolt of left lock-connecting piece and realizes interlocking；Gear train includes front gear and backgear, front gear and back-geared center are all with hexagon ring, front gear is socketed on the lower end of interior poling hexagon prism by hexagon ring, and it is fastened in the screwed hole of interior poling hexagon prism bottom location with bolt tie spacer, the top of back vent is connected with hexagon prism, there is screwed hole the centre on the hexagon prism top of back vent, backgear it is socketed on the hexagon prism of back vent, the hexagon prism of back vent penetrates in the two bearings endoporus on rear tubular member bearing block from bottom to top, and be fastened on back vent in the screwed hole on hexagon prism top with bolt tie spacer and to position, trailing wheel is connected on back vent；Drive mechanism includes axis, crank, chain wheel, pedal, flywheel and chain, axis is rotationally connected with in Five-way tube by axis accessory, two cranks are respectively fixedly connected with the two in axis, chain wheel is fixed on right crank, two pedals are connected to two cranks, flywheel is connected to the right side of front-wheel, and chain is wire-wrapped in chain wheel and flywheel.
The invention has the beneficial effects as follows: the present invention uses handlebar to be arranged on below saddle, and use trailing wheel turning mode, front-wheel is located in driving, this car is made to have a kind of fraicheur mode of riding, use the handlebar quick interlocking Formula V font folding hand handle of employing folded below bicycle beam and saddle, make to fold more efficient and small and exquisite, use rear tubular member and V-shaped folding hand that, gear train and the ingenious of back vent are coordinated so that trailing wheel turning is achieved.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram
Fig. 2 is the structure chart that latch hook of the present invention and flute profile folded piece coordinate interlocking
Fig. 3 is the organigram of connecting rod of the present invention
Fig. 4 is the organigram of handle base of the present invention
Fig. 5 is the left lock-connecting piece of the present invention and the structure chart of right lock-connecting piece
Fig. 6 is the folding process schematic diagram of vehicle body main body of the present invention
Fig. 7 is that the present invention folds complete figure
In figure: 1 folds bicycle beam, 2 rear tubular members, 31 seat pipe, 32 saddles, 33 locator cards, 4 V-shaped folding hand handles, 5 back vents, 6 gear trains, 7 front-wheels, 8 trailing wheels, 9 drive mechanisms；Wherein fold bicycle beam 1 also to include: 11 foldable base, 121 back rest pipes, 122 front-axle beam pipes, rotating vane after 13,14 thick-walled tubes, 15 flute profile folded pieces, 16 bicycle beam latch hooks, 17 connecting rods, 18 Five-way tubes, 19 front forks；V-shaped folding hand also includes 4: 41 handle base, 42 left hand handles, 43 right handgrips, 44 left lock-connecting pieces, 45 right lock-connecting pieces；Left lock-connecting piece 44 also includes: 441 trapezoid blocks, 442 snap bolts, 443 nuts；Right lock-connecting piece 45 also includes: 451 channels, 452 latch hooks, 453 pairs of connecting bolts, 454 springs, 455 bolts.
Detailed description of the invention
According to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, described trailing wheel turning formula folding portable bicycle, including folding bicycle beam 1, rear tubular member 2, seat pipe 31, saddle 32, locator card 33, V-shaped folding hand 4, back vent 5, gear train 6, front-wheel 7, trailing wheel 8 and drive mechanism 9；
Described folding bicycle beam 1 includes foldable base 11, back rest pipe 121, front-axle beam pipe 122, rear rotating vane 13, thick-walled tube 14, flute profile folded piece 15, bicycle beam latch hook 16, connecting rod 17, Five-way tube 18 and front fork 19, described foldable base 11 is opening flute profile stamping forward, the upper and lower of described foldable base 11 flute profile both sides is respectively arranged with one mutual to perforation, and described foldable base is welded in the front side of described rear tubular member 2.
nullDescribed back rest pipe 121 is a rectangular tube，Rotating vane 13 after the rear end welding of described back rest pipe 121，Described rear rotating vane 13 is the sheet component of lower end band cast，The top welding thick-walled tube 14 of described back rest pipe 121 front end，Thick-walled tube 14 described in welding with described back rest pipe 121 front end is open into setting，The pore of described back rest pipe 121 front end is gone back close-fitting one section of rectangular tube of socket as reinforcement，The left and right sides of described back rest pipe 121 front end，Being inconjunction with socket wherein one section of rectangular tube, to have one together mutual to perforation，The lower section of described back rest pipe 121 front end，It is inconjunction with socket wherein one section of rectangular tube and has an elongated hole together，Described bicycle beam latch hook 16 be top be cast、Bottom is the sliced pieces of the Al squeezing material of hook-type，The middle part of described bicycle beam latch hook 16 becomes rod，One of the cast of described bicycle beam latch hook 16 is penetrated from bottom to top in described back rest pipe 121 elongated hole，And by the cast of described bicycle beam latch hook 16 corresponding to described back rest pipe 121 mutual to perforation，Putting into torsion spring，Make a upper tube wall pushed down in one section of rectangular tube pore of torsion spring，Make torsion spring one pushes down on the rod of described bicycle beam latch hook 16，Again with to lock bolt penetrate described back rest pipe 121 mutual to perforation in、In torsion spring collar aperture and in the collar aperture of described bicycle beam latch hook 16 cast，And to stubborn location，The cast of described rear rotating vane 13 is by lock bolt，With mutual perforation is rotationally connected in described foldable base 11 bottom.
nullDescribed front-axle beam pipe 122 is a rectangular tube，The rear end welding flute profile folded piece 15 of described front-axle beam pipe 122，Described flute profile folded piece 15 is the flute profile stamping of opening upwards，It is mutual to perforation that the front and rear of described flute profile folded piece 15 both sides is respectively arranged with one，The front end welding Five-way tube 18 of described front-axle beam pipe 122，The front lower place welding front fork 19 of described Five-way tube 18，Described front fork 19 is made up of revolver forks piece and right wheel forks piece，Revolver forks piece is that top is with arc opening、Bottom is with the strip metal punching of U-shaped gap，Right wheel forks piece is the strip metal stamping in the middle part of in the of with two right-angle bendings，The top of right wheel forks piece is with arc opening，The bottom of right wheel forks piece is with U-shaped gap，Revolver forks piece after welding with described Five-way tube 18 and right wheel forks piece，Forming one with described Five-way tube is font，Front-wheel 7 is connected on described front fork 19，Described front-wheel 7 is the inflated wheel of 8 inches.
nullDescribed flute profile folded piece 15 rear portion mutual to be punched through to lock bolt be rotationally connected with described thick-walled tube 14，Mutual perforation is connected with the rear end thereof of connecting rod 17 in described foldable base 11 top，It is anterior mutual to perforation that the front end of described connecting rod 17 is rotationally connected with described flute profile folded piece 15，Described connecting rod 17 includes left connecting rod、Right connecting rod and barrel，Left connecting rod becomes right-angle bending in the same direction with the two ends that right connecting rod is two metal round rod，The most 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 be a tubular member pore in tapped，Barrel is positioned over described foldable base 11 top mutual to perforation between，With the screw thread of described left connecting rod and described right connecting rod rear end bending part respectively penetrate described foldable base 11 top mutual to perforation in、With in the screwed hole being screwed into barrel，I.e. complete described connecting rod 17 and mutual perforation is rotationally connected in described foldable base 11 top，The bending part of described left connecting rod and described right connecting rod front end is buckled into respectively described flute profile folded piece 15 anterior mutual in perforation，And overlap Upper gasket、Pin location on pin，I.e. complete mutual perforation be rotationally connected anterior with described flute profile folded piece 15 of described connecting rod 17，It is positioned at the described bicycle beam latch hook 16 in the pore of described back rest pipe 121 front end，The base of described flute profile folded piece 15 rear end can be pinned under the effect of torsion spring.
nullDescribed rear tubular member 2，Including pipe、Bearing block and connecting tube，The connecting tube of described rear tubular member 2 is welded in the rear side of described rear tubular member 2 pipe bottom，The bearing block of described rear tubular member 2 is welded in the rear end of described rear tubular member 2 connecting tube，The bearing block of described rear tubular member 2 is the tubular member that an each car of upper and lower side has step，The upper end of the pipe pore of described rear tubular member 2 is provided with headset group，The lower end of described rear tubular member 2 pipe pore is inlaid with cup，Embedded bearing in cup，The upper and lower side of described rear tubular member 2 bearing block respectively inlays a bearing，The front side on described rear tubular member 2 pipe top is welded with described seat pipe 31，Described seat pipe 31 is by pipe、Connecting tube and pipe clamp are constituted，The rear side of described seat pipe 31 pipe bottom welds the connecting tube of described seat pipe 31，The rear end of described seat pipe 31 connecting tube is welded with the pipe of described rear tubular member 2，The top socket pipe clamp of described seat pipe 31 pipe，Described saddle 32 is connected with saddle pipe，The saddle pipe of described saddle 32 is connected in the pipe of described seat pipe 31，The saddle pipe of described saddle 32 is also socketed locator card 33 with the junction of described seat pipe 31，Described locator card 33 is the working of plastics that a cast is connected with C-shaped card one，The cast borehole jack of described locator card 33 is connected on the saddle pipe of described saddle 32，After described folding bicycle beam 1 folds，Described locator card blocks the tire of described front-wheel 7.
nullDescribed V-shaped folding hand is 4，Including handle base 41、Left hand is 42、Right handgrip 43、Left lock-connecting piece 44、Right lock-connecting piece 45，Described handle base 41 is made up of pedestal moulding and interior poling，Described interior poling includes pipe、Hexagon prism and two bolts，The outer tube diameter rolling on described interior poling pipe top has gear hobbing，A bolt is respectively welded in the both sides on described interior poling pipe top，The hexagon prism of described interior poling is welded in the lower end of described interior poling pipe，There is a screwed hole at the center of the bottom of described interior poling hexagon prism，The bolt that the related both sides, top of described interior poling connect is molded together in described pedestal moulding，Described pedestal moulding becomes length of the upper end、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 to the 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 42 and described right handgrip 43，It is mutual to perforation that the both sides of described pedestal moulding the right and left flat-bottom slot are respectively arranged with one，The interior poling of described handle base 41 penetrates in the headset group of described rear tubular member 2 pipe upper end，The hexagon prism making interior poling lower end penetrates in the brearing bore of described rear tubular member 2 pipe lower end、And win downwards，Described left hand is 42 and described right handgrip 43，Connected and composed by pipe and cast，Described left hand is 42 and the pipe upper bend of described right handgrip 43，Described left hand connects cast the bottom of 42 and described right handgrip 43 pipe.
nullDescribed left lock-connecting piece 44 is by a trapezoid block 441、One snap bolt 442 and a nut 443 are constituted，Described trapezoid block 441 is the metal of a right angle trapezoid block shape，The one-tenth inclined-plane, the left side of described trapezoid block 441、The right side is threaded hole，The left side of described trapezoid block 441 and described left hand 42 lower weld，Snap bolt 442 described in twist-on in the screwed hole on described trapezoid block 441 right side，Also nut 443 described in twist-on one at the twist-on of described snap bolt 442 and described trapezoid block 442，Described right lock-connecting piece 45 is by channel 451、Latch hook 452、To connecting bolt 453、Spring 454 and bolt 455 are constituted，Described channel 451 is opening flute profile backward，The right head of described channel 451 is plagiocephaly，The both sides up and down of described channel 451 flute profile left part have mutual to perforation，A screwed hole is had in the middle part of the flute profile of described channel 451，The right head of described channel 451 and the lower weld of described right handgrip 43，Described channel about 451 both sides mutual to being punched through described collar aperture in the middle part of connecting bolt 453 and described latch hook 452 being rotationally connected，Described latch hook 452 is that left end becomes hook-type、There is collar aperture at middle part、The parts of right part band handle，An elongated hole is had on the handle of described latch hook 452，The elongated hole of described latch hook 452 is corresponding with the screwed hole of described channel 451，Described spring 454 is positioned between screwed hole and the elongated hole of described latch hook 452 of described channel 451，Penetrate in the elongated hole of described latch hook 452 with described bolt 455 and in described spring 454，It is screwed into again in the screwed hole of described channel 451.
Described left hand 42 cast and the cast of described right handgrip 43, 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 42 and described right handgrip 43, the described latch hook 452 of described right lock-connecting piece 45 is under the effect of described spring 454, the described snap bolt 442 of described left lock-connecting piece 44 can be hooked moment, mutual interlocking between described right lock-connecting piece 45 and described left lock-connecting piece 44, it is achieved described left hand 42, interfixing between described right handgrip 43 and described handle base 41.
nullDescribed gear train 6 includes front gear and backgear，Described front gear and described backgear are all nylon gears，Described front gear and described back-geared center are all with hexagon ring，Described front gear is socketed on the lower end of described interior poling hexagon prism by hexagon ring，And it is fastened in the screwed hole of described interior poling hexagon prism bottom location with bolt tie spacer，Described back vent 5 is that a top connects the fork-shaped metal stamping having hexagon prism，The lower end of described back vent both sides has mutual to perforation，There is screwed hole the centre on described back vent 5 hexagon prism top，Backgear it is socketed on the hexagon prism of described back vent 5，The hexagon prism of described back vent 5 penetrates in the two bearings endoporus of described rear tubular member 2 bearing block from bottom to top，And it is fastened in the screwed hole on described back vent 5 hexagon prism top location with bolt tie spacer，Described trailing wheel 8 is connected on described back vent 5，Described trailing wheel 8 is the inflated wheel of 8 inches.
Described drive mechanism 9 includes axis, crank, chain wheel, pedal, flywheel and chain, described axis is rotationally connected with in described Five-way tube 18 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 chain wheel and described flywheel.
Claims (7)
- null1. a trailing wheel turning formula folding portable bicycle，Including folding bicycle beam、Rear tubular member、Seat pipe、Saddle、Locator card、V-shaped folding hand handle、Back vent、Gear train、Front-wheel、Trailing wheel and drive mechanism，It is characterized in that: fold bicycle beam and include foldable base、Back rest pipe、Front-axle beam pipe、Rear rotating vane、Thick-walled tube、Flute profile folded piece、Bicycle beam latch hook、Connecting rod、Five-way tube and front fork，Foldable base is opening flute profile stamping forward，It is mutual to perforation that the upper and lower of foldable base flute profile both sides is respectively arranged with one，Foldable base is welded in the front side of rear tubular member，Rotating vane after the welding of back rest pipe rear end，The top welding thick-walled tube of back rest pipe front end，The pore of back rest pipe front end is also equipped with bicycle beam latch hook and torsion spring，The collar aperture of rear rotating vane is by lock to perforation be rotationally connected mutual with foldable base bottom of bolt，The rear end welding flute profile folded piece of front-axle beam pipe，Flute profile folded piece is the flute profile stamping of opening upwards，It is mutual to perforation that the front and rear of flute profile folded piece both sides is respectively arranged with one，The front end welding Five-way tube of front-axle beam pipe，The front lower place welding front fork of Five-way tube，Front-wheel is connected on front fork，Flute profile folded piece rear portion mutual to be punched through to lock bolt be rotationally connected with thick-walled tube，Mutual perforation is connected with the rear end thereof of connecting rod in foldable base top，It is anterior mutual to perforation that the front end of connecting rod is rotationally connected with flute profile folded piece，Connecting rod includes left connecting rod、Right connecting rod and barrel，Left connecting rod and right connecting rod are the rod like parts of two ends bending at a right angle，The bending part of left connecting rod and right connecting rod rear end has screw thread，The bending part of left connecting rod and right connecting rod front end has pin-and-hole，Barrel be a tubular member pore in tapped，Barrel is positioned over foldable base top mutual to perforation between，With the screw thread of left connecting rod and right connecting rod rear end bending part respectively penetrate foldable base top mutual to perforation in、With in the screwed hole being screwed into barrel，I.e. complete connecting rod perforation be rotationally connected mutual with foldable base top，The bending part of left connecting rod and right connecting rod front end is buckled into respectively flute profile folded piece anterior mutual in perforation，And overlap Upper gasket、Pin location on pin，I.e. complete connecting rod mutual perforation be rotationally connected anterior with flute profile folded piece，Bicycle beam latch hook in the pore of back rest pipe front end is under the effect of torsion spring，The base of flute profile folded piece rear end can be pinned；Rear tubular member is by a pipe, one bearing block and a connecting tube are welded, the upper end of rear tubular member pipe pore is provided with headset group, the lower end of rear tubular member pipe pore is provided with bearing, the upper and lower side of rear tubular member bearing block respectively inlays a bearing, the front side on rear tubular member pipe top is welded with seat pipe, seat pipe is by a pipe, one connecting tube and a pipe clamp are constituted, the connecting tube of the rear side welding seat pipe of seat pipe pipe bottom, the top socket pipe clamp of seat pipe pipe, saddle is connected to seat pipe, saddle is also connected with locator card with the junction of seat pipe, locator card is the working of plastics that a cast is connected with C-shaped card one, the cast borehole jack of locator card is connected on the saddle pipe of saddle, after folding bicycle beam folding, locator card blocks the tire of front-wheel, and it is the loosest after making folding bicycle beam fold；nullV-shaped folding hand handle is quick interlocking Formula V font folding hand handle，Including handle base、Left hand handle、Right handgrip、Left lock-connecting piece、Right lock-connecting piece，Handle base is made up of pedestal moulding and interior poling，Interior poling is molded in pedestal moulding，The lower end of interior poling connects hexagon prism，There is screwed hole the centre of the bottom of hexagon prism，Interior poling penetrates in the headset group of rear tubular member pipe upper end，The hexagon prism making interior poling lower end penetrates in the brearing bore of rear tubular member pipe lower end、And win downwards，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，It is mutual to perforation that pedestal moulding the right and left flat-bottom slot is all respectively arranged with one in both sides，Left hand connects the parts of cast the bottom with right handgrip being pipe，The trapezoid block of the left lock-connecting piece of lower weld of left hand handle，Left lock-connecting piece is by a trapezoid block、One snap bolt and a nut are constituted，The right side twist-on snap bolt of trapezoid block，Also twist-on one nut at the twist-on of snap bolt and trapezoid block，The channel of the right lock-connecting piece of lower weld of right handgrip，Right lock-connecting piece is by channel、Latch hook、To lock bolt、Spring and bolt are constituted，The both sides up and down of the flute profile left part of channel have mutual to perforation，A screwed hole is had in the middle part of the flute profile of channel，The mutual collar aperture being punched through in the middle part of lock bolt and latch hook is rotationally connected in the upper and lower both sides of channel，Latch hook is that left end becomes hook-type、There is collar aperture at middle part、The parts of right part band handle，An elongated hole is had on the handle of latch hook，Spring is positioned between the screwed hole of channel and the elongated hole of latch hook，Penetrate in the elongated hole of latch hook with bolt and in spring，It is screwed into again in the screwed hole 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, hooks the snap bolt of left lock-connecting piece and realizes interlocking；Gear train includes front gear and backgear, front gear and back-geared center are all with hexagon ring, front gear is socketed on the lower end of interior poling hexagon prism by hexagon ring, and it is fastened in the screwed hole of interior poling hexagon prism bottom location with bolt tie spacer, the top of back vent is connected with hexagon prism, there is screwed hole the centre on the hexagon prism top of back vent, backgear it is socketed on the hexagon prism of back vent, the hexagon prism of back vent penetrates in the two bearings endoporus on rear tubular member bearing block from bottom to top, and be fastened on back vent in the screwed hole on hexagon prism top with bolt tie spacer and to position, trailing wheel is connected on back vent；Drive mechanism includes axis, crank, chain wheel, pedal, flywheel and chain, axis is rotationally connected with in Five-way tube by axis accessory, two cranks are respectively fixedly connected with the two in axis, chain wheel is fixed on right crank, two pedals are connected to two cranks, flywheel is connected to the right side of front-wheel, and chain is wire-wrapped in chain wheel and flywheel；Described front gear and described backgear are all nylon gears, and described back vent is that a top connects that to have the fork-shaped metal stamping of hexagon prism, the lower end of described back vent both sides to have mutual to perforation；Described pedal is folding pedals.
- Trailing wheel turning formula folding portable bicycle the most according to claim 1, it is characterized in that: described back rest pipe is a rectangular tube, described rear rotating vane is the sheet component of lower end band cast, thick-walled tube described in welding with described back rest pipe front end is open into setting, the pore of described back rest pipe front end is gone back close-fitting one section of rectangular tube of socket as reinforcement, the left and right sides of described back rest pipe front end, being inconjunction with socket wherein one section of rectangular tube, to have one together mutual to perforation, the lower section of described back rest pipe front end, it is inconjunction with socket wherein one section of rectangular tube and has an elongated hole together.
- Trailing wheel turning formula folding portable bicycle the most according to claim 1, it is characterized in that: described bicycle beam latch hook be top be cast, bottom is the sliced pieces of the Al squeezing material of hook-type, the middle part of described bicycle beam latch hook becomes rod, one of the cast of described bicycle beam latch hook is penetrated from bottom to top in described back rest pipe range hole, and by the cast of described bicycle beam latch hook corresponding to described back rest pipe mutual to perforation, putting into torsion spring, make a upper tube wall pushed down in one section of rectangular tube pore of torsion spring, make torsion spring one pushes down on the rod of described bicycle beam latch hook, 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 bicycle beam latch hook cast, and to stubborn location.
- Trailing wheel turning formula folding portable bicycle the most according to claim 1, it is characterized in that: described front-axle beam pipe is a rectangular tube, described front fork is made up of revolver forks piece and right wheel forks piece, revolver forks piece is top with arc opening, bottom with the strip metal punching of U-shaped gap, right wheel forks piece is the strip metal stamping in the middle part of in the of with two right-angle bendings, the top of right wheel forks piece is with arc opening, the bottom of right wheel forks piece is with U-shaped gap, revolver forks piece after welding with described Five-way tube and right wheel forks piece, forming one with described Five-way tube is font.
- Trailing wheel turning formula folding portable bicycle the most according to claim 1, it is characterized in that: described rear tubular member, including pipe, bearing block and connecting tube, the connecting tube of described rear tubular member is welded in the rear side of described rear tubular member pipe bottom, the bearing block of described rear tubular member is welded in the rear end of described rear tubular member connecting tube, the bearing block of described rear tubular member is the tubular member that an each car of upper and lower side has step, and the lower end of described rear tubular member pipe pore is inlaid with cup, embedded bearing in cup.
- Trailing wheel turning formula folding portable bicycle the most according to claim 1, it is characterized in that: described interior poling includes pipe, hexagon prism and two bolts, the outer tube diameter rolling on described interior poling pipe top has gear hobbing, a bolt is respectively welded in the both sides on described interior poling pipe top, described pedestal moulding becomes length of the upper end, 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 to the 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 and described left hand and the caliber of described right handgrip corresponding.
- Trailing wheel turning formula folding portable bicycle the most according to claim 1, it is characterized in that: described trapezoid block is the metal of a right angle trapezoid block shape, the one-tenth inclined-plane, the left side of described trapezoid block, the right side is threaded hole, the left side of described trapezoid block and the lower weld of described left hand handle, snap bolt described in twist-on in the screwed hole on the described trapezoid block right side, 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, left hand handle described in realization, interfixing between described right handgrip and described handle base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510015122.2A CN104494761B (en) | 2015-01-13 | 2015-01-13 | Trailing wheel turning formula folding portable bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510015122.2A CN104494761B (en) | 2015-01-13 | 2015-01-13 | Trailing wheel turning formula folding portable bicycle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104494761A CN104494761A (en) | 2015-04-08 |
| CN104494761B true CN104494761B (en) | 2016-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510015122.2A Active CN104494761B (en) | 2015-01-13 | 2015-01-13 | Trailing wheel turning formula folding portable bicycle |
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| Country | Link |
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| CN (1) | CN104494761B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107054518A (en) * | 2017-03-14 | 2017-08-18 | 上海喜摩电动科技有限公司 | With the foldable saddle of saddle pipe one |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4239248A (en) * | 1978-10-10 | 1980-12-16 | Ewers Marion H | Collapsible walker |
| CN2048048U (en) * | 1988-11-09 | 1989-11-22 | 徐达来 | Folding bicycle |
| DE10032524B4 (en) * | 1999-07-09 | 2006-05-24 | Liao, Daocheng, Dongguan | folding bike |
| JP2010254265A (en) * | 2009-04-26 | 2010-11-11 | Hisayuki Suzuki | Folding bicycle |
| CN102602487B (en) * | 2012-04-05 | 2013-07-24 | 太仓市车中宝休闲用品有限公司 | Tricycle with two front wheels foldable |
| CN204383692U (en) * | 2015-01-13 | 2015-06-10 | 太仓市车中宝休闲用品有限公司 | Trailing wheel turning formula folding portable bicycle |
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2015
- 2015-01-13 CN CN201510015122.2A patent/CN104494761B/en active Active
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| CN104494761A (en) | 2015-04-08 |
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Effective date of registration: 20191126 Address after: 537200 No.11, nongmao community, Guinan Middle Road, Xishan Town, Guiping City, Guigang City, Guangxi Zhuang Autonomous Region Patentee after: Guiping Market Supervision Administration Address before: 215421 Jiangsu city of Suzhou province Taicang city Shaxi Songnan Industrial Park Co-patentee before: Pang Mingfang Patentee before: Taicang Chezhongbao Leisure Articles Co., Ltd. |