CN104554574B - Override type portable bicycle above and below four-bar linkage folding - Google Patents
Override type portable bicycle above and below four-bar linkage folding Download PDFInfo
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- CN104554574B CN104554574B CN201510059051.6A CN201510059051A CN104554574B CN 104554574 B CN104554574 B CN 104554574B CN 201510059051 A CN201510059051 A CN 201510059051A CN 104554574 B CN104554574 B CN 104554574B
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- 238000003466 welding Methods 0.000 claims abstract description 26
- 238000000465 moulding Methods 0.000 claims description 26
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 25
- 208000009782 Plagiocephaly Diseases 0.000 claims description 19
- 239000002184 metal Substances 0.000 claims description 16
- 239000011148 porous material Substances 0.000 claims description 11
- 238000005452 bending Methods 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000004663 powder metallurgy Methods 0.000 claims description 2
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 238000003475 lamination Methods 0.000 claims 1
- 230000002787 reinforcement Effects 0.000 claims 1
- 238000005096 rolling process Methods 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000003032 molecular docking Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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Abstract
Override type portable bicycle above and below a kind of four-bar linkage folding, bicycle beam is folded including four-bar linkage, preceding head tube, inclined tube afterwards, seat pipe, saddle, front fork assembly, after-frame, V-shaped folding hand handle, front-wheel, trailing wheel and drive mechanism, four-bar linkage folds bicycle beam by foldable base, front-axle beam pipe, back rest pipe, rotating vane, flute profile folded piece, thick-walled tube, bicycle beam latch hook and connecting rod are formed by connecting, four-bar linkage folds head tube and seat pipe before bicycle beam is welded in, inclined tube after seat pipe welding, inclined tube welds after-frame afterwards, the left and right dropout of after-frame installs trailing wheel, the bearing block and locating shaft of after-frame install drive mechanism, front fork assembly is made up of front fork and front fork pipe fitting, front fork can be folded with front fork pipe fitting, front fork pipe fitting is rotated with preceding head tube and is connected, the lower end connection front-wheel of front fork, saddle is installed on seat pipe, V-shaped folding hand handle is connected with front wheel carrier, drive mechanism includes left bent axle, right bent axle, chain wheel, two treadles, two steps, flywheel and chain.
Description
Technical field
The present invention relates to a kind of folding portable bicycle, more particularly to a kind of four-bar linkage fold above and below override type it is portable from
Driving.
Technical background
The override type folding bicycle up and down of the design people's previous design, although can fold, but due to structure and construction etc.
Reason, also fail to reach can be smaller after folding promising result.
The content of the invention
The invention aims to provide that a kind of bicycle beam folds for four-bar linkage and driving wheel is arranged on into front-wheel ---
Override type portable bicycle above and below four-bar linkage folding.The object of the present invention is achieved like this；Override type above and below four-bar linkage folding
Portable bicycle, including four-bar linkage fold bicycle beam, preceding head tube, rear inclined tube, seat pipe, saddle, locator card, front fork assembly, after-frame, V
Font folding hand handle, front-wheel, trailing wheel and drive mechanism, it is characterized in that：Four-bar linkage fold bicycle beam include foldable base, front-axle beam pipe, after
Liang Guan, rotating vane, flute profile folded piece, thick-walled tube, bicycle beam latch hook and connecting rod, foldable base are the flute profile stamping of an opening backwards, folding
Respectively there is mutual to perforation, a rear side for head tube bottom, front-axle beam before foldable base is welded in the upper and lower part of folded seat slot shape both sides
Car is also equipped with the front end welding rotating vane of pipe, the lower section welding thick-walled tube of the rear end of front-axle beam pipe, the pore of front-axle beam pipe rear end
Beam latch hook and torsion spring, are welded in the rotating vane of front-axle beam pipe by being connected to mutual being rotated to perforation in lock bolt and foldable base top,
Seat pipe is welded in back rest pipe rear end, and flute profile folded piece is welded in the front end of back rest pipe, and 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, and flute profile folded piece is anterior mutual to being punched through pair
Lock bolt is rotated with thick-walled tube and is connected, and foldable base bottom is mutual to be connected to being punched through rotating the front ring for locking bolt and connecting rod
Connect, connecting rod is that the two ends of the metallic rod of a flat strip shaped respectively connect a circle, and the rear circle of connecting rod passes through to lock bolt and flute profile folded piece
The mutual bicycle beam latch hook rotated to perforation in connection, the pore of front-axle beam pipe rear end in rear portion can pin groove in the presence of torsion spring
The top margin of shape folded piece front end, locator card is connected to the top at front-axle beam pipe rear portion, and locator card is a working of plastics with C-shaped bayonet socket,
Head tube before locator card can be clasped after four-bar linkage folds bicycle beam folding；Inclined tube after the rear side welding of seat pipe, the lower end weldering of rear inclined tube
The bearing block of after-frame is connect, after-frame includes bearing block, connecting leg, locating shaft, left back forks piece and right dropout, and bearing block backhand welding is in succession
Pipe, the rear end welding locating shaft of connecting leg, left back forks piece and right dropout, left back forks piece and right back vent are welded in the back lower place of bearing block
Trailing wheel is installed in the rear end of piece, and front fork assembly is made up of front fork and front fork pipe fitting, and front fork can be folded with front fork pipe fitting, front fork tube
Part is rotated with preceding head tube and is connected, and the lower end connection front-wheel of front fork, saddle is installed on the top of seat pipe；V-shaped folding hand is being
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
It is made up of pedestal moulding and interior poling, interior poling is molded in pedestal moulding, and the right and left of pedestal moulding has groove, base
The right and left top of seat moulding is that U-lag, bottom are flat-bottom slot, and the both sides of pedestal moulding the right and left flat-bottom slot respectively have
One is mutual to perforation, and handle base coordinates bowl-type pad, hanging bolt and slope nut by interior poling, before being fixedly connected on
Pitch in component pipe, left hand is the part for the bottom connection cast for right handgrip being pipe, the left lock-connecting piece of lower weld of left hand handle
Plagiocephaly barrel, left lock-connecting piece is made up of a plagiocephaly barrel, a snap bolt and a nut, twist-on round end spiral shell in plagiocephaly barrel
The also nut of twist-on one at the twist-on of bolt, snap bolt and plagiocephaly barrel, the channel of the right lock-connecting piece of lower weld of right handgrip is right
Lock-connecting piece to connecting bolt, spring and bolt by channel, latch hook, constitute, and the both sides up and down of the flute profile left part of channel have
It is mutual to perforation, have in the middle part of the flute profile of channel both sides above and below a screwed hole, channel it is mutual to being punched through docking spiral shell
Bolt is rotated with the collar aperture in the middle part of latch hook and is connected, and latch hook is that left end has the part of collar aperture, right part with handle into hook-type, middle part, latch hook
There is an elongated hole on handle, spring is positioned between the screwed hole of channel and the elongated hole of latch hook, latch hook is penetrated with bolt
In elongated hole and in spring, then it is screwed into the screwed hole of channel, the cast of left hand handle and the cast of right handgrip, passes through two pairs of locks
Bolt, be rotationally connected with respectively pedestal moulding the right and left it is mutual to perforation, the effect of the latch hook of right lock-connecting piece in spring
Under, hook the snap bolt of left lock-connecting piece and realize interlocking；Drive mechanism includes left bent axle, right bent axle, chain wheel, two treadles, two
Step, flywheel and chain, right bent axle are fixedly connected with chain wheel, and left bent axle and right bent axle are interconnected in the two bearings in bearing block
In endoporus, the rear end of two treadles is socketed on the two ends of locating shaft respectively, and treadle is made up of flat tube, sleeve, barrel and chute, flat tube
Rear end welded sleeve, front end welding barrel, chute is the circle of a Long Circle, and chute is welded in the rear portion of flat tube, left bent axle and
One bearing of each socket, left bent axle and right bent axle short axle upper bearing (metal), are slidably connected to after two treadles respectively in the short axle of right bent axle
In the chute in portion, two steps are fastened to the front end of two treadles respectively, and flywheel is installed on the right side of trailing wheel, chain solderless wrapped connection and chain wheel and
On flywheel.
The beneficial effects of the invention are as follows：The present invention uses bicycle beam to fold bicycle beam for four-bar linkage, and four-bar linkage can be made to fold bicycle beam
Preceding head tube and seat pipe, rear inclined tube fast folding and rapid deployment, coordinate quick interlocking Formula V font folding hand handle, make the present invention's
Fold and expansion has more advantage, then front fork assembly is folded, the smaller folding of the present invention is realized, by the left end of left bent axle and the right side
Bearing is each provided with the right-hand member of bent axle, and is slidably connected in the chute at treadle rear portion so that the driving of override type up and down
Mechanism is simplified, cost is reduced.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the structure chart that four-bar linkage of the present invention folds bicycle beam；
Fig. 3 is the structural representation of front fork assembly of the present invention；
Fig. 4 is the organigram of handle base of the present invention；
Fig. 5 is the structure chart of left lock-connecting piece of the invention and right lock-connecting piece；
Fig. 6 is the structure connection figure of left bent axle of the invention, right bent axle and chain wheel；
Fig. 7 is folding process schematic diagram of the present invention；
Fig. 8 finishes figure for present invention folding；
In figure：1 --- four-bar linkage folds the rear inclined tube of bicycle beam, 2 --- preceding head tube, 31 ---, 32 --- seat pipe, 33 --- saddle
After seat, 34 --- locator card, 4 --- front fork assembly, 5 --- after-frame, 6 --- V-shaped folding hand handles, 7 --- front-wheel, 8 ---
Wheel, 9 --- drive mechanism；Wherein four-bar linkage folds bicycle beam 1 and also included：11 --- preceding foldable base, 12 --- front-axle beam pipe, 13 ---
Back rest pipe, 14 --- rotating vane, 15 --- flute profile folded piece, 16 --- thick-walled tube, 17 --- bicycle beam latch hook, 18 --- connecting rod；
After-frame 5 also includes：51 --- bearing block, 52 --- connecting leg, 53 --- locating shaft, 54 --- left back forks piece, 55 --- right back vent
Piece；V-shaped folding hand also includes 6：61 --- handle base, 62 --- left hand handle, 63 --- right handgrip, 64 --- left interlocking
Part, 65 --- right lock-connecting piece；Left lock-connecting piece 64 also includes：641 --- plagiocephaly barrel, 642 --- snap bolt, 643 --- spiral shell
It is female；Right lock-connecting piece 65 also includes：651 --- channel, 652 --- latch hook, 653 --- to connecting bolt, 654 --- spring,
655 --- bolt；Drive mechanism 9 also includes：91 --- left bent axle, 92 --- right bent axle, 92 --- chain wheel, 94 --- step on
Bar, 95 --- step, 96 --- flywheel, 97 --- chain.
Embodiment
According to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, described four-bar linkage fold above and below override type portable bicycle, including
Six joining beams fold bicycle beam 1, preceding head tube 2, rear inclined tube 31, seat pipe 32, saddle 33, locator card 34, front fork assembly 4, after-frame 5, V-shaped
Folding hand is 6, front-wheel 7, trailing wheel 8 and drive mechanism 9；
Described four-bar linkage, which folds bicycle beam 1, includes foldable base 11, front-axle beam pipe 12, back rest pipe 13, rotating vane 14, flute profile folded piece
15th, thick-walled tube 16, bicycle beam latch hook 17 and connecting rod 18, described foldable base 11 are the flute profile stamping of an opening backwards, it is described before
The upper and lower part of the flute profile both sides of foldable base 11 respectively has one mutual to perforation, and described preceding foldable base 11 is welded in preceding head tube 2
The rear side of bottom, described front-axle beam pipe 12 is a rectangular tube, the front end welding rotating vane 14 of the front-axle beam pipe 12, described rotating vane 14
It is sheet component of the upper end with cast, the lower section welding thick-walled tube 16 of the rear end of the front-axle beam pipe 12, with the front-axle beam pipe 12
The thick-walled tube 16 of welding, which is open into setting, the pore of the rear end of front-axle beam pipe 12, goes back one section of rectangular tube work of close-fitting socket
To strengthen, the left and right sides of the rear end of front-axle beam pipe 12 is inconjunction with wherein one section rectangular tube of socket and is provided with a mutual pair together
Perforation, the top of the rear end of front-axle beam pipe 12 is inconjunction with wherein one section rectangular tube of socket and is provided with an elongated hole, described bicycle beam together
Latch hook 17 is the sliced pieces for the Al squeezing material that bottom is cast, top is hook-type, and the middle part of the bicycle beam latch hook 17, will into rod
One of the cast of the bicycle beam latch hook 17 penetrates in the elongated hole of front-axle beam pipe 12 from the top down, and by the bicycle beam latch hook 17
Cast correspond to the front-axle beam pipe 12 it is mutual to perforation, place into torsion spring, make one of torsion spring to push down one section of rectangular tube pipe
Lower tube wall in hole, makes one of torsion spring to push down on the described rod of bicycle beam latch hook 17, then penetrate the front-axle beam with to lock bolt
Pipe 12 it is mutual in perforation, torsion spring collar aperture neutralizes in the collar aperture of the cast of bicycle beam latch hook 17, and to twisting positioning, is welded in institute
The cast of the rotating vane 14 of front-axle beam pipe 12 is stated, by connecting to mutual being rotated to perforation in lock bolt and the top of foldable base 11
Connect, there be a screwed hole top at the rear portion of front-axle beam pipe 12, and described locator card 34 is a working of plastics for carrying C-shaped bayonet socket,
There is twist-on hole the centre of the locator card 34, and the twist-on hole of the locator card 34 corresponds to the screw thread at the rear portion of front-axle beam pipe 12
Hole, and described locator card 34 is connected to by bolt the top at the rear portion of the front-axle beam pipe 12, with the spiral shell of front-axle beam pipe 12
The C-shaped bayonet socket of the locator card 34 after pit connection, the preceding head tube after bicycle beam 1 is folded is folded corresponding to the four-bar linkage
2 top, and the locator card 34 C-shaped bayonet socket can be with described preceding head tube 2 engaging.
Described back rest pipe 13 is a rectangular tube, the rear end welding seat pipe 32 of the back rest pipe 13, the back rest pipe 13
The welding flute profile folded piece 15 of front end, described flute profile folded piece 15 is the flute profile stamping that Open Side Down, the flute profile folded piece
The front and rear of 15 both sides respectively has one mutual to perforation, and the flute profile folded piece 15 is anterior mutual to being punched through to lock
Bolt is rotated with described thick-walled tube 16 and be connected, the bottom of foldable base 11 it is mutual to being punched through to locking bolt and connecting rod
18 front ring rotates connection, and described connecting rod 18 is that the two ends of the metallic rod of a flat strip shaped respectively connect a circle, the connecting rod 18
Enclose afterwards by being connected to mutual being rotated to perforation in lock bolt and the rear portion of flute profile folded piece 15, the rear end of front-axle beam pipe 12
The bicycle beam latch hook 17 in pore can pin the top margin of the front end of flute profile folded piece 15 in the presence of torsion spring.
Described seat pipe 32 is made up of pipe and pipe clamp, the top socket pipe clamp of the pipe of seat pipe 32, the seat pipe
Inclined tube 31 after the rear side welding of 32 pipes, described rear inclined tube 31 is that the upper end of a pipe is pressed into longitudinal preceding spill, lower end
The left and right sides, which is rushed, the pipe fitting of arc opening, and the preceding spill of the rear inclined tube 31 is corresponding with the pipe of the seat pipe 32, it is described after
The arc opening of inclined tube 31 is corresponding with the bearing block 51 of after-frame 5, and the bearing block 51 of after-frame 5, institute are welded in the lower end of the seat pipe 32
The saddle 33 stated is connected with saddle pipe, and the saddle pipe of the saddle 33 is connected in the pipe pore of the seat pipe 32, and described after-frame 5 is wrapped
Bearing block 51, connecting leg 52, locating shaft 53, left back forks piece 54 and right dropout 55 are included, described bearing block 51 is one section of circular pipe pipe
The double-ended vehicle in hole has a step for placing bearing, and described bearing block welds described connecting leg 52 backward, described rear inclined tube 31, institute
Reinforcing chip is also welded between the bearing block 51 stated and described connecting leg 52, an axle is respectively inlayed at the left and right end of described bearing block 51
Hold, the rear end welding locating shaft 53 of the connecting leg 52, described locating shaft 53 is two small axle of lathe car of a round steel, institute
The center for stating the two ends end points of locating shaft 53 is provided with axial screwed hole, and left back forks piece 54 is welded in the back lower place of the bearing block 51
With right dropout 55, described left back forks piece 54 is the strip metal punching that top carries U-shaped gap with arc opening, bottom,
Described right dropout 55 is the strip metal stamping that a middle part carries two right-angle bendings, and the top of right dropout 55 carries circular arc
Mouthful, the bottom of right dropout 55 carries U-shaped gap, left back forks piece 54 described in after being welded with the bearing block 51 and described
Right dropout 55, is font with the described formation of bearing block 51 one, the U-shaped gap of the left back forks piece 54 neutralizes the right back vent
Trailing wheel 8 is installed, described trailing wheel 8 is 10 inches of inflated wheel in the U-shaped gap of piece 55.
Described front fork assembly 4 is made up of front fork and front fork pipe fitting, described front fork include wheel fork, semicircle lock shaft,
Safety plug and spring, wheel fork are that front side at the top of metal stamping of one or so two downward bending into fork-shaped, wheel fork and rear side are each
Have a flange that right angle is upward, at the top of wheel fork before and after side flanging left and right two respectively have one it is mutual to wearing at the top of circular hole, wheel fork before
Have one mutual to wearing rectangular opening in the middle part of rear side flange, semicircle lock shaft is one shank of the key of connection of half circular shaft, half circular shaft
There is the screwed hole of an axial direction centre of one other end end points, before half circular shaft of semicircle lock shaft is penetrated at the top of wheel fork from front to back
The left head of rear side flange to wearing in circular hole, be screwed into a bolt in the screwed hole of half circular shaft, semicircle lock shaft be positioned at wheel
Before and after fork top side flanging left head to wearing in circular hole, safety plug is the rod like parts that one is umbrella shape, the centre of safety plug umbrella head
There is a groove, safety plug has an aperture on the rod of umbrella head, before the rod of safety plug is penetrated at the top of wheel fork from front to back
Being inserted to wearing in rectangular opening and in spring, then with a pin in the aperture on safety plug rod for rear side flange, makes one, spring
Head on the rear side flange of wheel fork, a crown and pin on safety plug, allow spring to head on pin, make safety plug that there is bullet forward
Power, and pin turns into safety plug forward spacing, and the lower end of the wheel fork left and right sides is provided with mutual U-shaped gap, and wheel fork is right
A strong magnet is also bolted on side, described front fork pipe fitting includes upper pleated sheet and front fork tube, and upper pleated sheet is right
Sideband, which has, rolls up the stamping parts that circle, the left side are bent into crotch, the circular hole of Intermediate Gray one of upper pleated sheet, the circular hole and front fork of upper pleated sheet
Pipe is socketed and welded, and front fork tube is that the top of a pipe carries external screw thread, and the volume circle of upper pleated sheet passes through to lock bolt and wheel fork
The right head of side flanging to wearing circular hole rotates connection before and after top, and the crotch of upper pleated sheet can be by the left head of side flanging before and after at the top of wheel fork
Shank of the key after the crotch interlocking of semicircle lock shaft interlocking to wearing circular hole, semicircle lock shaft and upper pleated sheet is positioned at the centre of safety plug
In one groove, described front fork pipe fitting pipe is rotated by seven bowls with described preceding head tube 2 to be connected, and the U-shaped of the wheel fork left and right sides slits
Mouth installs front-wheel 7, and described front-wheel 7 is 10 inches of inflated wheel, by V-shaped folding hand 6 related 4 turns of the front fork assemblies
It is dynamic 180 °, then by after described front fork and described front fork pipe fitting folding, the strong magnet on wheel fork holds described preceding head tube
And position.
Described V-shaped folding hand is 6, including handle base 61, left hand are 62, right handgrip 63, left lock-connecting piece 64, right lock
Fitting 65, described handle base 61 is made up of pedestal moulding and interior poling, and described interior poling includes pipe and two bolts,
The outer tube diameter on the interior poling pipe top is with gear hobbing, and the lower end of the interior poling pipe carries angle, the interior poling circle
A bolt is respectively welded in the both sides on pipe top, and the bolt of the related both sides connection in top of the interior poling is molded in the pedestal together
In moulding, described pedestal moulding is into the short isosceles trapezoid shape in upper bottom length, bottom, the left and right two of described pedestal moulding
While there is groove, the groove on the pedestal moulding left side is the groove being open to the left, and the groove on the right of the pedestal moulding is to be open to the right
Groove, the right and left top of the pedestal moulding is that U-lag, bottom are flat-bottom slot, the left and right two of the pedestal moulding
The U-lag on side is corresponding the caliber of 62 and described right handgrip 63 with described left hand, described pedestal moulding the right and left
Respectively there is mutual to perforation, an interior poling for the handle base 61 both sides of flat-bottom slot, coordinate bowl-type pad, hanging bolt and
In slope nut, the front fork assembly pipe for penetrating the front fork assembly 4, hanging bolt is tightened, makes slope nut with the hand base
The interior poling of seat 61 is tightened up and misplaced, so that the interior poling of the handle base 61 is fixedly connected in front fork assembly pipe, institute
The left hand stated is connected and composed 62 and described right handgrip 63 by pipe and cast, and described left hand is 62 and the described right hand
63 pipe upper bend, the bottom of 62 and the described pipe of right handgrip 63 is connected cast by described left hand.
Described left lock-connecting piece 64 is made up of a plagiocephaly barrel 641, a snap bolt 642 and a nut 643, and described is oblique
Head barrel 641 is one of a barrel and is made plagiocephaly, the head of the plagiocephaly barrel 641 and the left hand 62 lower weld,
Snap bolt 642 in the screwed hole of the plagiocephaly barrel 641 described in twist-on, the snap bolt 642 and the plagiocephaly barrel
Nut 643 at 641 twist-on also described in twist-on one, described right lock-connecting piece 65 is by channel 651, latch hook 652, to connecting bolt
653rd, spring 654 and bolt 655 are constituted, and described channel 651 is the flute profile being open backward, the channel 651
Right head is plagiocephaly, and the both sides up and down of the flute profile left part of channel 651 have mutual to perforation, the flute profile of the channel 651
There is the lower weld of a screwed hole, the right head of the channel 651 and the right handgrip 63 at middle part, and the channel is about 651
Both sides are mutual to be connected to being punched through described being rotated to connecting bolt 653 with the collar aperture at the middle part of latch hook 652, described lock
Hook 652 is that left end has on the part of collar aperture, right part with handle, the handle of the latch hook 652 into hook-type, middle part and has an elongated hole, the lock
The elongated hole of hook 652 is corresponding with the screwed hole of the channel 651, and described spring 654 is positioned over into the channel 651
Between the elongated hole of screwed hole and the latch hook 652, penetrated with described bolt 655 in the elongated hole of the latch hook 652 and institute
In the spring 654 stated, then it is screwed into the screwed hole of the channel 651.
The left hand by two pairs of lock bolts, is respectively rotationally connected with 62 cast and the cast of the right handgrip 63
Described pedestal moulding the right and left it is mutual to perforation, the described left hand of expansion is 62 and described right handgrip 63, the right side
The latch hook 652 of lock-connecting piece 65 can hook the round end of the left lock-connecting piece 64 moment in the presence of the spring 654
Bolt 642, the mutual interlocking between the right lock-connecting piece 65 and the left lock-connecting piece 64, realize described left hand 62, it is described
Right handgrip 63 and described handle base 61 between interfix.
Described drive mechanism 9 includes left bent axle 91, right bent axle 92, chain wheel 93, treadle 94, step 95, flywheel 96 and chain
Bar 97, described left bent axle 91 is made up of square shaft, left crank and left short axle, and there is the spiral shell of an axial direction centre of the right-hand member end points of square shaft
Pit, the left end close-fitting of square shaft is socketed in the square hole of left crank, and left crank is the metal stamping of sheet, and one of left crank has
One square hole, other end have a circular hole, during left short axle is two small axle of lathe car of a round steel, the left head end point of left short axle
Between have the screwed hole of an axial direction, the right-hand member close-fitting of left short axle is socketed in the circular hole of left crank, and the left end of left short axle is socketed an axle
Hold, and be fastened to a bolt in the screwed hole of left short axle and position bearing, described right bent axle 92 is by square hole circular shaft, right crank
Constituted with right short axle, square hole circular shaft is the axle of a powder metallurgy, and the profile of square hole circular shaft is in cylinder, and the right-hand member of square hole circular shaft has
One right convex tenon, square hole justifies axial left part and there is a square hole at middle part, and square hole justifies axial right-hand member and positioned at tenon
There is a counterbore centre of head, has a through hole between the counterbore and square hole of square hole circular shaft, right crank is the metal stamping of sheet, right song
One of handle has a mortise, and there is a circular hole other end, and right crank is welded in the left surface of chain wheel 93, and makes the mortise pair of right crank
The interstitial hole of chain wheel 93 described in Ying Yu, the chain wheel 93 also on have in circular hole corresponding to right crank, the mortise of right crank and institute
State close-fitting in the interstitial hole of chain wheel 93 to be socketed on the tenon of square hole circular shaft, with the circle of right crank in the corresponding circular hole of the chain wheel 93
Close-fitting is socketed right short axle in hole, and right short axle is two small axle of lathe car of a round steel, the centre of the right head end point of right short axle
There is the screwed hole of an axial direction, the right-hand member of right short axle is socketed a bearing, and is fastened to axle with a bolt in the screwed hole of right short axle
Positioning is held, the square hole circular shaft of the right bent axle 92 is penetrated in the bearing block 51 in the endoporus of two bearings from right to left, described
The square shaft of left bent axle 91 is penetrated in the square hole of the right square hole circular shaft of bent axle 92 from left to right, and makes a left side for the left bent axle 91
Short axle and the right short axle of the right bent axle 92 are corresponding into 180 °, then are worn in the through hole in the right square hole circular shaft counterbore of bent axle 92
Enter a bolt and be fastened in the screwed hole of the square shaft of left bent axle 91 to fix, make described left bent axle 91 and the right song
Axle 92 is rotationally connected with described bearing block 51, and described treadle 94 is made up of flat tube, sleeve, barrel and chute, flat tube
Rear end welded sleeve, front end welding barrel, the lower section welding chute at the rear portion of flat tube, sleeve is the blank of thick-walled tube, spiral shell
Cylinder be cut into it is tapped in the pore of cast thick-walled tube, chute be by two of the flat metal of a bar shaped make circular arc bending,
Make the circle of the flat metal bending long circle of a bar shaped, the sleeve of treadle 94 described in two, which is rotated, is socketed on the two of the locating shaft 53
Head, and coordinate two pads to be fastened in the screwed hole at the two ends of locating shaft 53 with two bolts, the treadle 94 described in two is rotated
Two of the locating shaft 53 is positioned at, and the slotted hole of the chute of treadle 94 described in two is socketed on respectively and left short axle connecting shaft
Hold, and be connected with right short axle on bearing, described step 95 is the pedal of bicycle, the step 95 described in two is fastened to respectively
In the barrel of treadle 94 described in two, described flywheel 96 is connected to the right side of the trailing wheel 8, and described chain 97 is wire-wrapped in described
Chain wheel 93 and described flywheel 96 on.
Claims (8)
1. override type portable bicycle above and below a kind of four-bar linkage folding, including four-bar linkage fold bicycle beam, preceding head tube, rear inclined tube, seat
Pipe, saddle, locator card, front fork assembly, after-frame, V-shaped folding hand handle, front-wheel, trailing wheel and drive mechanism, it is characterized in that：Tetrad
Bar, which folds bicycle beam, includes foldable base, front-axle beam pipe, back rest pipe, rotating vane, flute profile folded piece, thick-walled tube, bicycle beam latch hook and connecting rod, folding
Folded seat is the flute profile stamping of an opening backwards, and the upper and lower parts of foldable base flute profile both sides respectively has one mutual to perforation, folds
The rear side of head tube bottom before seat is welded in, the front end welding rotating vane of front-axle beam pipe, the lower section welding thick-walled tube of the rear end of front-axle beam pipe,
Bicycle beam latch hook and torsion spring are also equipped with the pore of front-axle beam pipe rear end, the rotating vane for being welded in front-axle beam pipe passes through to lock bolt and folding
Mutual being rotated to perforation in seat top is connected, back rest pipe rear end welding seat pipe, the front end welding flute profile folded piece of back rest pipe, flute profile
Folded piece is the flute profile stamping that Open Side Down, and the front and rears of flute profile folded piece both sides respectively has one mutual to perforation, flute profile
Folded piece is anterior mutual be connected to being punched through rotating lock bolt with thick-walled tube, and foldable base bottom is mutual to be led to perforating
Cross to rotate the front ring of lock bolt and connecting rod and connect, connecting rod is that the two ends of the metallic rod of a flat strip shaped respectively connect a circle, connecting rod
Enclose afterwards by being connected to mutual being rotated to perforation in lock bolt and flute profile folded piece rear portion, the bicycle beam in the pore of front-axle beam pipe rear end
Latch hook can pin the top margin of flute profile folded piece front end in the presence of torsion spring, and locator card is connected to the top at front-axle beam pipe rear portion, fixed
Position card is a working of plastics with C-shaped bayonet socket, head tube before locator card can be clasped after four-bar linkage folds bicycle beam folding；The rear side of seat pipe
The bearing block of after-frame is welded in inclined tube after welding, the lower end of rear inclined tube, after-frame include bearing block, connecting leg, locating shaft, left back forks piece and
Right dropout, bearing block backhand welding is managed in succession, the rear end of connecting leg welding locating shaft, the back lower place of bearing block weld left back forks piece and
Trailing wheel is installed in the rear end of right dropout, left back forks piece and right dropout, and front fork assembly is made up of front fork and front fork pipe fitting, front-wheel
Fork can be folded with front fork pipe fitting, and front fork pipe fitting is rotated with preceding head tube and is connected, and the lower end connection front-wheel of front fork, saddle is installed on seat
The top of pipe；V-shaped folding hand is being quick interlocking Formula V font folding hand handle, including handle base, left hand handle, right handgrip, a left side
Lock-connecting piece, right lock-connecting piece, handle base are made up of pedestal moulding and interior poling, and interior poling is molded in pedestal moulding, base
The right and left of seat moulding has a groove, and the right and left top of pedestal moulding is that U-lag, bottom are flat-bottom slot, pedestal injection
The both sides of part the right and left flat-bottom slot respectively have one mutual to perforation, and handle base coordinates bowl-type pad by interior poling, hung tight
Bolt and slope nut, are fixedly connected in front fork assembly pipe, portion of the left hand the bottom connection cast for right handgrip being pipe
Part, 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, a snap bolt and a nut
Constitute, twist-on snap bolt in plagiocephaly barrel, the also nut of twist-on one at the twist-on of snap bolt and plagiocephaly barrel, under right handgrip
The channel of right lock-connecting piece is welded in portion, right lock-connecting piece by channel, latch hook, connecting bolt, spring and bolt are constituted, flute profile
The both sides up and down of the flute profile left part of part have mutual to perforation, and the flute profile middle part of channel has two above and below a screwed hole, channel
Side is mutual to be connected to being punched through rotating connecting bolt with the collar aperture in the middle part of latch hook, and latch hook is that left end has circle into hook-type, middle part
Have an elongated hole on the part of hole, right part with handle, the handle of latch hook, by spring be positioned over channel screwed hole and latch hook elongated hole it
Between, penetrated with bolt in the elongated hole of latch hook and spring in, then be screwed into the screwed hole of channel, the cast of left hand handle and
The cast of right handgrip, by two pairs of lock bolts, be rotationally connected with respectively pedestal moulding the right and left it is mutual to perforation, right lock
The latch hook of fitting under the action of the spring, hooks the snap bolt of left lock-connecting piece and realizes interlocking；Drive mechanism include left bent axle,
Right bent axle, chain wheel, two treadles, two steps, flywheel and chain, right bent axle are fixedly connected with chain wheel, and left bent axle and right bent axle are mutual
It is connected in the two bearings endoporus in bearing block, the rear end of two treadles is socketed on the two ends of locating shaft respectively, and treadle is by flat tube, set
Cylinder, barrel and chute are constituted, rear end welded sleeve, the front end welding barrel of flat tube, and chute is the circle of a Long Circle, chute welding
In the rear portion of flat tube, one bearing of each socket, left bent axle and right bent axle short axle upper bearing (metal) in the short axle of left bent axle and right bent axle, respectively
In the chute for being slidably connected to the rear portion of two treadles, two steps are fastened to the front end of two treadles respectively, and flywheel is installed on trailing wheel
Right side, chain is wire-wrapped on chain wheel and flywheel；Described back rest pipe is a rectangular tube, and described rear inclined tube is the upper end of a pipe
Being pressed into longitudinal preceding spill, the punching of the lower end left and right sides has the pipe fitting of arc opening, preceding spill and the seat pipe of the rear inclined tube
Pipe it is corresponding, the arc opening of the rear inclined tube is corresponding with the bearing block of after-frame；Described bearing block is one section of circular pipe pipe
The double-ended vehicle in hole has the step for placing bearing, and described locating shaft is two small axle of lathe car of a round steel, the positioning
The center of the two ends end points of axle is provided with axial screwed hole, and described left back forks piece is that top carries U-shaped with arc opening, bottom
The strip metal punching of gap, described right dropout is the strip metal stamping that a middle part carries two right-angle bendings, right back vent
The top of piece carries arc opening, and the bottom of right dropout carries U-shaped gap, the left back fork described in after being welded with the bearing block
Piece and described right dropout, are font with described bearing block formation one.
2. override type portable bicycle above and below four-bar linkage folding according to claim 1, it is characterized in that：Described front-axle beam pipe
A rectangular tube, described rotating vane is sheet component of the upper end with cast, with the front-axle beam pipe weld the thick-walled tube into
Laterally set, close-fitting is gone back in the pore of the front-axle beam pipe rear end and is socketed one section of rectangular tube as reinforcement, the front-axle beam pipe rear end
The left and right sides, is inconjunction with wherein one section rectangular tube of socket and is provided with mutual to perforation a, top for the front-axle beam pipe rear end together,
It is inconjunction with wherein one section rectangular tube of socket and is provided with an elongated hole together, described bicycle beam latch hook is that bottom is that cast, top are hook-type
Al squeezing material sliced pieces, the middle part of the bicycle beam latch hook into rod, by one of the cast of the bicycle beam latch hook on to
Under penetrate in the front-axle beam pipe range hole, and by the cast of the bicycle beam latch hook correspond to the front-axle beam pipe it is mutual to perforation,
Torsion spring is placed into, makes one of the torsion spring lower tube wall pushed down in one section of rectangular tube pore, makes one of torsion spring to push down described car
On beam latch hook rod, then with lock bolt is penetrated the front-axle beam pipe it is mutual in perforation, torsion spring collar aperture neutralizes the bicycle beam and locks
In the collar aperture of hook cast, and to twisting positioning.
3. override type portable bicycle above and below four-bar linkage folding according to claim 1, it is characterized in that：Described front fork
Including wheel fork, semicircle lock shaft, safety plug and spring, wheel fork is one or so two downward bending into the metal stamping of fork-shaped, wheel fork
Respectively there is a mutual pair at left and right two of side flanging before and after the front side at top and rear side respectively have at the top of the upward flange in right angle, wheel fork
Wear circular hole, at the top of wheel fork before and after have one mutual to wearing rectangular opening in the middle part of side flanging, semicircle lock shaft is a company of half circular shaft
Connect a shank of the key, there is a screwed hole of an axial direction centre of an other end end points of half circular shaft, half circular shaft of semicircle lock shaft in the past to
Penetrate in the left head of the front and rear side flanging in wheel fork top to wearing in circular hole, be screwed into a bolt in the screwed hole of half circular shaft afterwards,
Before and after semicircle lock shaft is positioned at the top of wheel fork the left head of side flanging to wearing in circular hole, safety plug is the rod that one is umbrella shape
There is a groove part, the centre of safety plug umbrella head, and safety plug has an aperture on the rod of umbrella head, by the rod of safety plug from forward direction
Side flanging inserts on safety plug rod to wearing in rectangular opening and in spring, then with a pin before and after penetrating afterwards at the top of wheel fork
In aperture, the crown of spring one the rear side flange of wheel fork, a crown and pin on safety plug, allow spring to head on pin, make
Safety plug has elastic force forward, and pin, again as safety plug forward spacing, the lower end of the wheel fork left and right sides is provided with phase
A strong magnet is also bolted on mutual U-shaped gap, wheel fork right flank.
4. override type portable bicycle above and below four-bar linkage folding according to claim 1, it is characterized in that：Described front fork tube
Part includes upper pleated sheet and front fork tube, and upper pleated sheet is the stamping parts that the right is bent into crotch with volume circle, the left side, upper pleated sheet
The circular hole of Intermediate Gray one, the circular hole of upper pleated sheet is socketed and welds with front fork tube, and front fork tube is that the top of a pipe carries outer spiral shell
Line, rolling up for upper pleated sheet is enclosed by being connected to lock bolt with the right head of the front and rear side flanging in wheel fork top to wearing circular hole rotation, upper folding
The crotch of lamination can be by the left head of side flanging before and after at the top of wheel fork to wearing the semicircle lock shaft interlocking of circular hole, semicircle lock shaft and upper pleated sheet
Crotch interlocking after shank of the key be positioned in the groove of centre one of safety plug, by V-shaped folding hand the related front fork assembly turn
It is dynamic 180 °, then by after described front fork and described front fork pipe fitting folding, the strong magnet on wheel fork holds described preceding head tube
And position.
5. override type portable bicycle above and below four-bar linkage folding according to claim 1, it is characterized in that：Described interior poling
Including pipe and two bolts, the outer tube diameter on the interior poling pipe top is with gear hobbing, and the lower end of the interior poling pipe is carried
Angle, each one bolt of welding in the both sides on the interior poling pipe top, described pedestal moulding into upper bottom length, bottom it is short etc.
Waist trapezoidal shape, the right and left of described pedestal moulding has groove, and the groove on the pedestal moulding left side is the groove being open to the left,
Groove on the right of the pedestal moulding is the groove being open to the right, the U-lag of the right and left of the pedestal moulding with it is described
Left hand is corresponding with the caliber of described right handgrip.
6. override type portable bicycle above and below four-bar linkage folding according to claim 1, it is characterized in that：Described plagiocephaly spiral shell
Cylinder is one of a barrel and plagiocephaly, the lower weld of the head of the plagiocephaly barrel and the left hand handle, described channel is made
It is the flute profile being open backward, the right head of the channel is plagiocephaly, and the right head of the channel is welded with the bottom of the right handgrip
Connect, the mutual interlocking between the right lock-connecting piece and the left lock-connecting piece, realize described left hand, described right handgrip and institute
Interfixing between the handle base stated.
7. override type portable bicycle above and below four-bar linkage folding according to claim 1, it is characterized in that：Described left bent axle
It is made up of square shaft, left crank and left short axle, there are the screwed hole of an axial direction, the left end close-fitting of square shaft in the centre of the right-hand member end points of square shaft
In the square hole for being socketed on left crank, left crank is the metal stamping of sheet, and one of left crank has a square hole, other end to have a circle
Hole, left short axle is two small axle of lathe car of a round steel, and there is the screwed hole of an axial direction centre of the left head end point of left short axle,
The right-hand member close-fitting of left short axle is socketed in the circular hole of left crank, and the left end of left short axle is socketed a bearing, and is fastened to a bolt
Bearing is positioned in the screwed hole of left short axle, described right bent axle is made up of square hole circular shaft, right crank and right short axle, square hole circular shaft
It is the axle of a powder metallurgy, the profile of square hole circular shaft is in cylinder, and the right-hand member of square hole circular shaft has a right convex tenon, square hole circular shaft
Axial left part and middle part have a square hole, square hole, which justifies axial right-hand member and is simultaneously located at the centre of tenon, a counterbore, square hole
There is a through hole between the counterbore and square hole of circular shaft, right crank is the metal stamping of sheet, and one of right crank has a mortise, another
Head has a circular hole, and right crank is welded in the left surface of chain wheel, and the mortise of right crank is corresponded to the interstitial hole of the chain wheel, institute
State chain wheel and be additionally provided with circular hole corresponding to right crank, the mortise of right crank neutralizes close-fitting in the chain wheel interstitial hole and is socketed on square hole
On the tenon of circular shaft, close-fitting is socketed right short axle in the corresponding circular hole of the chain wheel and in the circular hole of right crank, and right short axle is a circle
There are the screwed hole of an axial direction, the right-hand member set of right short axle in two of steel small axle of lathe car, the centre of the right head end point of right short axle
A bearing is connect, and is fastened to a bolt in the screwed hole of right short axle and positions bearing, the square hole circular shaft of the right bent axle is from the right side
Penetrate to the left in the bearing block in the endoporus of two bearings, the square shaft of the left bent axle is penetrated in the right bent axle from left to right
In the square hole of square hole circular shaft, and make the left short axle and the right short axle of the right bent axle of the left bent axle corresponding into 180 °, then in institute
State and a bolt is penetrated in the through hole in right bent axle square hole circular shaft counterbore and is fastened in the screwed hole of the left bent axle square shaft solid
It is fixed, described left bent axle and described right crank rotation is connected in described bearing block.
8. override type portable bicycle above and below four-bar linkage folding according to claim 1, it is characterized in that：Sleeve is heavy wall circle
The blank of pipe, barrel is to be cut into tapped in the pore of cast thick-walled tube, and chute is by two of the flat metal of a bar shaped
Make circular arc bending, make the circle of the flat metal bending long circle of a bar shaped, the sleeve of treadle described in two rotate be socketed on it is described fixed
Two of position axle, and coordinate two pads to be fastened in the screwed hole of the locating shaft two ends with two bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510059051.6A CN104554574B (en) | 2015-02-05 | 2015-02-05 | Override type portable bicycle above and below four-bar linkage folding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510059051.6A CN104554574B (en) | 2015-02-05 | 2015-02-05 | Override type portable bicycle above and below four-bar linkage folding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104554574A CN104554574A (en) | 2015-04-29 |
| CN104554574B true CN104554574B (en) | 2017-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510059051.6A Active CN104554574B (en) | 2015-02-05 | 2015-02-05 | Override type portable bicycle above and below four-bar linkage folding |
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| CN (1) | CN104554574B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104787175B (en) * | 2015-05-04 | 2017-10-31 | 太仓市车中宝休闲用品有限公司 | Vertical double-twist vehicle |
| CN111301587A (en) * | 2020-02-22 | 2020-06-19 | 太仓市车中宝休闲用品有限公司 | Portable vertical bicycle capable of being folded quickly and positioned magnetically |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5052706A (en) * | 1990-06-05 | 1991-10-01 | Tsai Duan Huey | Foldable bicycle |
| JP4397452B2 (en) * | 1999-04-19 | 2010-01-13 | ブリヂストンサイクル株式会社 | Folding bicycle |
| CN103264743B (en) * | 2013-05-29 | 2014-10-08 | 太仓市车中宝休闲用品有限公司 | Box-type portable bicycle capable of being pushed and provided with four-connecting-rod foldable body |
| CN103738441B (en) * | 2014-01-08 | 2016-02-03 | 太仓市车中宝休闲用品有限公司 | Car beam seat pipe double leval jib folding portable bicycle |
| CN204415634U (en) * | 2015-02-05 | 2015-06-24 | 太仓市车中宝休闲用品有限公司 | Four-bar linkage folds upper and lower override type portable bicycle |
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2015
- 2015-02-05 CN CN201510059051.6A patent/CN104554574B/en active Active
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| CN104554574A (en) | 2015-04-29 |
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