CN106064657A - Stretching handle folding portable bicycle - Google Patents

Stretching handle folding portable bicycle Download PDF

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Publication number
CN106064657A
CN106064657A CN201610700977.3A CN201610700977A CN106064657A CN 106064657 A CN106064657 A CN 106064657A CN 201610700977 A CN201610700977 A CN 201610700977A CN 106064657 A CN106064657 A CN 106064657A
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CN
China
Prior art keywords
clamping piece
hole
pipe
upward
downward
Prior art date
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Granted
Application number
CN201610700977.3A
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Chinese (zh)
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CN106064657B (en
Inventor
庞明方
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Taicang Chezhongbao Leisure Products Co Ltd
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Taicang Chezhongbao Leisure Products Co Ltd
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Priority to CN201610700977.3A priority Critical patent/CN106064657B/en
Publication of CN106064657A publication Critical patent/CN106064657A/en
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Publication of CN106064657B publication Critical patent/CN106064657B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62KCYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K15/00Collapsible or foldable cycles
    • B62K15/006Collapsible or foldable cycles the frame being foldable
    • B62K15/008Collapsible or foldable cycles the frame being foldable foldable about 2 or more axes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62KCYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K21/00Steering devices
    • B62K21/12Handlebars; Handlebar stems
    • B62K21/16Handlebars; Handlebar stems having adjustable parts therein

Abstract

A kind of stretching handle folding portable bicycle, including flexible handle, front fork stem, side arm, central sill, rear fork, vehicle seat, front-wheel, trailing wheel and drive mechanism, flexible handle connects front fork stem and side arm, flexible handle is by left hand handle, right handgrip, upper latch fitting, lower latch fitting and handle are constituted, side arm is made up of rotary part and front even part, central sill is by beam pipe, front slotware and rear slotware are formed by connecting, rear fork is by wavy swan-neck, Five-way tube, plug in before, in rear, plug and the secondary fork of ∩ shape are formed by connecting, vehicle seat is by seat pipe, lock-connecting piece, connecting rod, saddle and folding location hook are formed by connecting, front-wheel is installed on front axle, trailing wheel is installed on rear fork, drive mechanism is by axis, two cranks, chain wheel, two pedals, flywheel and chain are constituted, and be connected in Five-way tube and on trailing wheel.

Description

Stretching handle folding portable bicycle
Technical field:
The present invention relates to a kind of folding portable bicycle, particularly to a kind of stretching handle folding portable bicycle.
Technical background:
Have several money folding bicycle in the market, although have a folding bicycle that folding rate is fast, but due to structure and The reasons such as construction, also can not reach after folding to put into the satisfaction in knapsack.
Content of the invention:
The invention aims to the new type foldable mode providing a kind of handlebar with flexible handle type, the related trailing wheel of rear fork Collapsed forward, vehicle seat fold the mode with side arm folding linkage, can put into the stretching handle in knapsack and fold after having folded Portable bicycle.The object of the present invention is achieved like this;Stretching handle folding portable bicycle, including flexible handle, front Fork arm, side arm, central sill, rear fork, vehicle seat, front-wheel, trailing wheel and drive mechanism, is characterized in that: flexible handle includes left hand handle, the right side Hand handle, upper latch fitting, lower latch fitting and handle, left hand being to be formed as right-angle bending by the upper end of pipe with right handgrip, left hand handle and Outside below at right handgrip right-angle bending has screwed hole, and upper latch fitting is made up of upper clamping piece, banking stop and clamping screw, upper folder Part is the blank of an aluminium extruded type, and the two ends, left and right of upper clamping piece are respectively arranged with the circular hole of a upward and downward, the circle of two upward and downwards of upper clamping piece Also being connected with cracking of upward and downward on hole, upper clamping piece upward and downward left and right rearward of cracking respectively has the screwed hole of a upward and downward, upper folder Two bolt twist-on one banking stops are passed through in the bottom of the screwed hole of left and right two upward and downward that part upward and downward cracks rearward, allow banking stop even Being connected to the bottom side of upper clamping piece, the centre of upper clamping piece has one to crack vertical longitudinal hole with upper clamping piece upward and downward, upper clamping piece longitudinal hole Rear end connect a clamping screw stop nut, left hand is the circular hole penetrating two ends, upper clamping piece left and right upward and downward with right handgrip In, and by left hand with right handgrip right-angle bending at below screwed hole corresponding to the bottom side of upper clamping piece, distinguished by two bolts Be screwed into left hand with right handgrip right-angle bending at below screwed hole in, by left hand making, with right handgrip and upper clamping piece, the limit that rotates Position, and, be fastened to left hand with two bolts on right handgrip, coordinate with the banking stop of the bottom side being connected to upper clamping piece, can make For spacing when launching with right handgrip of left hand, clamping screw penetrates in the longitudinal hole of upper clamping piece, and is screwed in stop nut, Tighten clamping screw and can tighten up cracking of upper clamping piece upward and downward, by upper clamping piece locking left hand handle and right handgrip so that left hand handle and Right handgrip is fixed and can not be rotated;Lower latch fitting is made up of lower clamping piece and clamping screw, and lower clamping piece is the blank of an aluminium extruded type, under The anterior two ends, left and right of folder are respectively arranged with the circular hole of a upward and downward, and the circular hole of two anterior upward and downwards of lower clamping piece is connected with upward and downward Cracking, the left back end of lower clamping piece has the circular hole of a upward and downward, and there is the circular hole of a upward and downward lower clamping piece rear end to the right, before lower clamping piece The centre in portion has a upward and downward anterior with lower clamping piece to crack vertical longitudinal hole, and the rear end of lower clamping piece longitudinal hole connects a locking screw The stop nut of bolt, in the middle part of lower clamping piece, the circular hole of left end upward and downward is connected with the upper end of front fork stem, front fork stem by pipe, cylinder and Front axle constitute, the bottom pore of pipe fills in cylinder, the bottom of pipe to and have a cross-perforating together with cylinder, front axle penetrates In the cross-perforating of the bottom of pipe and cylinder, and winning to the right, it is upper and lower that left hand handle and right handgrip penetrate two ends, lower clamping piece left and right To circular hole in, clamping screw penetrates in the longitudinal hole of lower clamping piece, and is screwed in stop nut, tightens clamping screw and can tighten up Cracking of lower clamping piece upward and downward, by lower clamping piece locking left hand handle and right handgrip so that left hand handle and right handgrip are fixed and can not be gone up Lower slider, handle is connected to left hand the top with right handgrip, and is positioned at the top of upper clamping piece;Side arm is by rotary part and front company Part is constituted, and rotary part is installed on the upward and downward circular hole of lower clamping piece rear end to the right, and front even part is the slice processing part of aluminium extruded type, The front end of front even part is grooved, and the both sides up and down of front even part grooved have mutual to perforation, and the upper and lower of front even part rear end is respectively arranged with One cross-perforating, front even part grooved mutual to being punched through connecting rotary part to lock bolt;Central sill includes beam pipe, front slotware With rear slotware, beam pipe is made up of chock in level metal rectangular pipe and two, and in the pore of level metal rectangular pipe front and back end, close-fitting fills in interior plug Block, interior chock is the parts being respectively arranged with a longitudinal threaded bore up and down, and the chock being positioned in the pore of beam pipe front end passes through two bolts Slotware before connecting, front slotware is opening grooved part forward, and the lower end of the front slotware left and right sides has mutual to perforation, metal square The chock that the left and right sides of shape pipe rear end is inconjunction with in the pore being positioned at beam pipe rear end has a horizontal perforation, is positioned at metal Interior chock in the pore of rectangular tube rear end is by slotware after two bolts connections, and rear slotware is opening grooved part forward, pit The front upper angle of the part left and right sides and bottom are respectively arranged with mutual to perforation, are connected to the rear slotware of beam pipe rear end, its bottom phase Mutual to perforation corresponding to the cross-perforating of beam pipe rear end, the front slotware left and right sides mutual to be punched through to lock bolt with front Even the cross-perforating below part rear end rotates and connects;Rear fork is by wavy swan-neck, Five-way tube, front interior plug, rear interior plug and ∩ shape Secondary fork is constituted, and wavy swan-neck is the parts being pressed into wavy bending by the middle part of level metal rectangular pipe, wavy swan-neck front end The left and right sides has a cross-perforating, and the left and right sides of wavy swan-neck rear end has a mutual elongated hole, before wavy swan-neck Respectively having a vertical hole before and after portion's upper side, Five-way tube is the cut-out workpiece of Al squeezing material, laterally having in the middle part of Five-way tube First Five-Year Plan rodding eye, Five-way tube respectively has one before and after being positioned at five-way pore and vertically bores a hole, being vertically punched through before and after Five-way tube The cooperation of two pairs of bolt and nuts, fixes with the vertical hole before and after wavy swan-neck upper side and is connected, and front interior plug is that middle part is with horizontal stroke To the nylon rectangular block of perforation, front chock off joins in the pore filling in wavy swan-neck front end, and before making to be positioned at wavy swan-neck In end pore, the cross-perforating of interior plug corresponds to the cross-perforating of wavy swan-neck front end, and rear interior plug is with lateral threaded holes The parts of rectangular block shape, in the rear interior pore filling in wavy swan-neck rear end, and make the rear interior lateral threaded holes filled in correspond to The mutual elongated hole in wavy swan-neck rear end, the right side riveting by rivet and wavy swan-neck rearward end for the left side of the secondary fork of ∩ shape Connect, the cooperation by bolt and nut for the cross-perforating of wavy swan-neck front end, rotate with the cross-perforating of central sill rear end and be connected, after It after fork can fold to inferoanterior, and wavy swan-neck launches with central sill, is connected to the front side of Five-way tube on wavy swan-neck Face leans against the trailing flank of slotware after central sill;Vehicle seat includes seat pipe, lock-connecting piece, connecting rod, saddle and folding location hook, and seat pipe is by rectangle Seat pipe, upper plug member, lower plug member and circle saddle pipe are constituted, and rectangle seat pipe is to be bent to the left by the upper end of a rectangular tube to form, rectangle Seat pipe lower end respectively have a cross-perforating up and down, the trailing flank of rectangle seat pipe lower end has an elongated hole, rectangle seat pipe upper end In pore, close-fitting fills in plug member, and in the pore of rectangle seat pipe lower end, close-fitting fills in lower plug member, and makes upper and lower horizontal of lower plug member Perforation is corresponding to the upper and lower cross-perforating in rectangle seat pipe lower end, after making lower plug member fluting backward corresponding to rectangle seat pipe lower end The elongated hole of side, circle saddle pipe is connected by two bolts and upper plug member are fixing, the lower cross-perforating of seat pipe lower end by lock bolt and Rear slotware left and right sides Qian Shang angle mutual to perforation rotate connect, in the elongated hole of rectangle seat pipe lower end trailing flank and lower plug member to After fluting in be slidably connected lock-connecting piece, lock-connecting piece can with the upper edge interlocking of rear slotware trailing flank, seat pipe lower end upper laterally Perforation rotates the rear end connecting connecting rod, and connecting rod is the parts being pressed into right-angle bending by two ends before and after a metal round steel, connecting rod Front and back respectively having a screwed hole at the two-end-point of right-angle bending, the front end of connecting rod rotates with the front cross-perforating connecting above part rear end Connecting, saddle is connected on circle saddle pipe, folds location hook and is connected to the right flank of beam pipe front end;Front-wheel is installed on front axle, trailing wheel It is installed on interior plug and the secondary fork of ∩ shape of rear fork, open lock-connecting piece, and by vehicle seat collapsed forward, under the effect of connecting rod, car Seat is inconjunction with side arm, flexible handle, front fork stem fold to the lower section of central sill together with front-wheel, reaches perfect folding effect, and Under the effect folding location hook seat pipe, vehicle seat, side arm, flexible handle, front fork stem are fixed on folded state together with central sill; Drive mechanism includes axis, two cranks, chain wheel, two pedals, flywheel and chain, and central axis is connected in Five-way tube, two cranks Being installed on the two ends of axis, chain wheel is fixedly connected on the crank on the right of two cranks, and flywheel is connected to the right side of trailing wheel, chain around It is connected on chain wheel and flywheel.
The invention has the beneficial effects as follows: the ingenious cooperation by profile piece for the present invention so that whole vehicle frame does not all have electric welding Welding, represents a kind of new trend of the manufacturing process of bicycle;The handlebar of the present invention uses the form of flexible handle so that car Folding reached both simple, and reach most effective;Front fork stem is connected to the upward and downward circular hole of the right-hand member in the middle part of lower clamping piece In, the upward and downward circular hole of lower clamping piece rear end to the right connects rotary part, and central sill is positioned at position to the right so that the trailing wheel after folding Can be positioned in the U-shaped opening that lower clamping piece connects between front fork stem and connection rotary part, make the present invention after folding accomplish pole Cause small and exquisite;The cooperation that the front tumbler of the present invention uses side arm with the rotary part being connected to lower clamping piece rear end to the right, rotates Parts include plane bearing and shock-absorbing polyurethane cylinder, makes front tumbler both simple and effective and also there is incabloc function; Central sill uses beam pipe to connect the mode of front slotware and rear slotware, and the front aperture of rear fork uses bolt attaching nut to connect central sill Rear hole, and the Five-way tube of later fork is as the fulcrum being abutted against so that the foldable structure of the present invention has reached the simple of the limit; The lower cross-perforating of seat pipe lower end rotates with rear slotware and is connected, and the upper cross-perforating of seat pipe lower end connects with the rear end thereof of connecting rod Connect so that linkage structure has also been accomplished ultimate attainment simple.
Brief description:
Fig. 1 is present configuration schematic diagram;
Fig. 2 is that the present invention stretches the expansion schematic diagram of handle;
Fig. 3 is that the present invention stretches the gathering schematic diagram of handle;
Fig. 4 is folding process schematic diagram of the present invention;
Fig. 5 is that the present invention folds and finishes figure;
In figure: 1 stretches handle, 2 front fork stems, 3 side arms, 4 central sills, fork after 5,6 Vehicle seat, 71 front-wheels, 72 trailing wheels, 8 drive mechanisms;The handle 1 that wherein stretches also includes: 11 left hand handles, 12 right handgrips, latch fitting on 13,14 times latch fittings, 15 handles;Vehicle seat 6 also includes: vehicle seat 6 also includes: 61 seat pipe, 62 lock-connecting pieces, 63 connecting rods, 64 saddles, 66 folding location hooks.
Detailed description of the invention:
According to Fig. 1, described stretching handle folding portable bicycle, including handle the 1st, front fork stem the 2nd, side arm the 3rd, the central sill that stretches 4th, rear fork the 5th, vehicle seat the 6th, front-wheel the 71st, trailing wheel 72 and drive mechanism system 8;
Described flexible handle 1 include left hand the 11st, right handgrip the 12nd, upper latch fitting the 13rd, lower latch fitting 14 and handle 15, described Left hand is all to be formed as right-angle bending by the upper end of pipe 11 and described right handgrip 12, and described left hand is 11 and the described right hand Outside below at 12 right-angle bendings is respectively had a screwed hole, and described left hand is the screwed hole difference of 11 and described right handgrip 12 Corresponding to the bottom side of described upper latch fitting 13 upper clamping piece, by two bolts twist-ons respectively to described left hand straight to 11 and described right handgrip 12 At angular distortion lower outer screwed hole in, be connected to described left hand and the bolt of 11 and described right handgrip 12 laid respectively at described The bottom side of upper latch fitting 13 upper clamping piece, described left hand respectively has a screwed hole the side of 11 and described right handgrip 12 lower end, described After left hand is screwed into bolt 11 and described right handgrip 12 lower end side screwed hole, can be as described left hand 11 and the described right side Hand is spacing with what described lower latch fitting 14 lower clamping piece slided up and down 12.
Described upper latch fitting 13 is made up of upper clamping piece, banking stop and clamping screw, and described upper clamping piece is an aluminium extruded type Blank, the two ends, left and right of described upper clamping piece are respectively arranged with the circular hole of a upward and downward, on the circular hole of two upward and downwards of described upper clamping piece also Being connected with cracking of upward and downward, described upper clamping piece upward and downward left and right rearward of cracking is respectively arranged with the circular hole of a upward and downward, described upper clamping piece Tapping in the circular hole of left and right two upward and downward that upward and downward cracks rearward becomes screwed hole, and described upper clamping piece upward and downward cracks a left side rearward The bottom of the screwed hole of right two upward and downwards, by the banking stop described in two bolt twist-ons one, allows described banking stop be connected to described The bottom side of upper clamping piece, and be positioned at described upper clamping piece upward and downward and crack rearward, described banking stop, is portions with holes, two ends Part, is connected to the described banking stop of described upper clamping piece bottom side, and is connected to described left hand two on 11 and described right handgrip 12 Bolt coordinates, spacing when 11 and described right handgrip 12 can be launched as described left hand, and the centre of described upper clamping piece has One cracks vertical longitudinal hole with described upper clamping piece upward and downward, and the rear end of described upper clamping piece longitudinal hole is connected with a counterbore, described on The counterbore of folder is inlayed the stop nut of clamping screw described in, tightens described clamping screw and can tighten up upper clamping piece upward and downward Crack, by upper clamping piece locking left hand handle and right handgrip so that left hand handle and right handgrip are fixed and can not be rotated, described locking Bolt is by bolt and screws handle and is formed by connecting, and described clamping screw also includes stop nut.
Described lower latch fitting 14 is made up of lower clamping piece and clamping screw, and described lower clamping piece is the blank of an aluminium extruded type, The anterior two ends, left and right of described lower clamping piece are respectively arranged with the circular hole of a upward and downward, on the circular hole of two anterior upward and downwards of described lower clamping piece also Being connected with cracking of upward and downward, the left back end of described lower clamping piece has the circular hole of a upward and downward, and described lower clamping piece rear end to the right has one The circular hole of upward and downward, has an opening U-shaped opening backward between the left back end of described lower clamping piece and right rear end, described lower clamping piece is U-shaped The width of opening is corresponding with the width of the tire of trailing wheel, the upward and downward circular hole of the left back end of described lower clamping piece and described front fork stem 2 Pipe close-fitting corresponding, described front fork stem 2 is made up of pipe, cylinder and front axle, fills in cylinder in the bottom pore of pipe, circle The bottom of pipe to and have a cross-perforating together with cylinder, front axle penetrates in the bottom of pipe and the cross-perforating of cylinder and wins to the right Going out, the upward and downward circular hole of the left back end of described lower clamping piece is socketed with the upper end close-fitting of described front fork stem 2 pipe, in described lower clamping piece Between have one to crack vertical longitudinal hole with lower clamping piece upward and downward, the rear end of described lower clamping piece longitudinal hole is connected with clamping screw described in Stop nut, described left hand penetrates the circular hole of two ends, described lower clamping piece left and right upward and downward 11 and described right handgrip 12 In, described clamping screw penetrates in the longitudinal hole of described lower clamping piece, and is screwed in stop nut, tightens described clamping screw Cracking of lower clamping piece upward and downward can be tightened up, by left hand described for described lower clamping piece locking 11 and described right handgrip 12, make Left hand described in is fixed 11 and described right handgrip 12 and can not slide up and down.
Described handle 15 is a working of plastics, and two lower ends of described handle 15 are respectively connected with the circle of a upward and downward, described handle Aperture and the described left hand of the two circle collar aperture of 15 corresponding for the external diameter of 11 and described right handgrip 12, described shake hands 15 top be The handle of one handle, two collar aperture of described handle 15 are socketed on described left hand respectively under 11 and described right handgrip 12 knee Side, described handle 15 is positioned at the top of described upper clamping piece.
Described side arm 3 includes rotary part and front even part, and described rotary part includes front axle tube, two zanjon axles Hold, a plane bearing and have a shock-absorbing polyurethane cylinder, the upper and lower side of front axle tube pore is respectively milled with the counterbore placing zanjon bearing, front In the upward and downward circular hole of the described lower clamping piece of central siphon close-fitting from bottom to top press-in rear end to the right, two zanjon bearings are embedded in front axle respectively In the counterbore of pipe upper and lower side, plane bearing is lining on the zanjon bearing of described front axle tube upper end, then puts shock-absorbing polyurethane cylinder On plane bearing, shock-absorbing polyurethane cylinder axially have a hole, and by the endoporus of two zanjon bearings, the axis hole of plane bearing with keep away The hole of shake polyurethane cylinder, corresponding to connect before described the upper and lower two sides of part front end grooved mutual to perforation, with will to lock bolt Described rotatable parts connect the grooved of part and are connected before described, described before connect the slice processing part that part is aluminium extruded type, described before Even the front end of part is that grooved, the upper and lower of rear end are respectively arranged with a horizontal perforation, described before connect the both sides up and down of part grooved and have phase Mutual to perforation, described before connect the both sides up and down of part grooved and strike out fillet.
Described central sill 4 includes beam pipe, front slotware and rear slotware, and described beam pipe is by chock structure in level metal rectangular pipe and two Becoming, in the pore of the front-end and back-end of level metal rectangular pipe, close-fitting fills in interior chock, and interior chock is by the square being respectively arranged with a circular hole up and down The cut-out workpiece of shape Al squeezing material, tapped, at the left and right sides of level metal rectangular pipe front end in two circular holes up and down of interior chock Face, is inconjunction with the chock being positioned in the pore of level metal rectangular pipe front end and has two horizontal perforation, a left side for level metal rectangular pipe rear end The chock that right both sides are inconjunction with in the pore being positioned at level metal rectangular pipe rear end has a horizontal perforation, and described front slotware is Being struck out opening grooved part forward by sheet metal, the lower end of the described front slotware left and right sides has mutual to perforation, described before After slotware bottom surface be respectively arranged with a hole up and down, after described front slotware bottom surface upper lower opening by two bolts be positioned at level metal rectangular pipe before Interior chock twist-on in end pore is fixed, and described rear slotware is to be struck out opening grooved part forward by sheet metal, described after The front upper angle of the slotware left and right sides and bottom are respectively arranged with mutual to perforation, and after described rear slotware, undersurface lower end portions is respectively arranged with up and down One hole, after described rear slotware, the upper lower opening of undersurface lower end portions is by two bolts and the plug being positioned in the pore of level metal rectangular pipe rear end Block twist-on is fixed, slotware after being connected to described in the rear end of level metal rectangular pipe, its bottom mutual to perforation corresponding to metal square The cross-perforating of shape pipe rear end, the described front slotware left and right sides mutual to be punched through to lock bolt with described before connect part rear end The cross-perforating of lower section rotates and connects.
Described rear fork 5 include wavy swan-neck, Five-way tube, front interior plug, rear in plug and described wavy of the secondary fork of ∩ shape Swan-neck is the parts being pressed into wavy bending by the middle part of level metal rectangular pipe, the left and right of described wavy swan-neck front-end and back-end Both sides respectively have a cross-perforating, respectively have a vertical hole before and after the anterior upper side of described wavy swan-neck, described wavy curved The left and right sides of curved tube rear end has a mutual elongated hole, and the right flank at described wavy swan-neck rear portion has several riveted holes, institute The Five-way tube stated is the cut-out workpiece of Al squeezing material, laterally has First Five-Year Plan rodding eye, described Five-way tube in the middle part of described Five-way tube Respectively have one before and after being positioned at five-way pore vertically to bore a hole, before and after described Five-way tube, be vertically punched through two pairs of bolt and nuts Coordinating, fixing with the vertical hole before and after wavy swan-neck upper side and be connected, described front interior plug is that middle part is with cross-perforating Nylon rectangular block, described front chock off is joined in the pore filling in described wavy swan-neck front end, and is made the horizontal stroke of described front interior plug To the cross-perforating bored a hole corresponding to described wavy swan-neck front end, described rear interior plug is the rectangular block with lateral threaded holes The parts of shape, in the described rear interior pore filling in wavy swan-neck rear end, and make the lateral threaded holes correspondence of described rear interior plug In the mutual elongated hole in described wavy swan-neck rear end, the secondary fork of described ∩ shape is made up of the bending of metal flat bar, and described ∩ shape is secondary There is several riveted holes the left side of fork, and the right rear end of the secondary fork of described ∩ shape has U-shaped gap backward, a left side for the secondary fork of described ∩ shape End face is by the right side riveting of rivet and wavy swan-neck rear portion, and the cross-perforating of described wavy swan-neck front end passes through bolt spiral shell Female cooperation, rotates with the cross-perforating of described central sill rear end and is connected, described wavy swan-neck front end and described central sill rear end Junction is also lined with polyurethane pad, and described rear fork 5 to penetrate the bolt of described wavy swan-neck front end cross-perforating is Axle, folds to the inferoanterior of described central sill, after described wavy swan-neck launches with described central sill, is fixed on described wavy swan-neck On the leading flank of described Five-way tube, as the fulcrum leaning against slotware trailing flank after described central sill.
Described vehicle seat 6 includes seat pipe the 61st, lock-connecting piece the 62nd, connecting rod the 63rd, saddle 64 and folds location hook 65, described seat pipe 61 are made up of rectangle seat pipe, upper plug member, lower plug member and circle saddle pipe, and described rectangle seat pipe is by the upper end of a rectangular tube to the left Bending forms, described rectangle seat pipe lower end respectively have a cross-perforating up and down, the trailing flank of described rectangle seat pipe lower end has One elongated hole, in the pore of described rectangle seat pipe upper end, close-fitting fills in described upper plug member, and described upper plug member is by being front and back respectively arranged with The cut-out workpiece of the rectangular aluminium section bar of one circular hole, tapped in two circular holes before and after described plug member, described rectangle seat pipe Upper end is inconjunction with a described upper plug member pin of hitting the person together and reinforces, and in the pore of described rectangle seat pipe lower end, close-fitting fills in lower plug Part, described lower plug member is by the parts of the rectangular block shape of nylon injection-molding, and the trailing flank of described lower plug member has one backward Fluting, there is a counterbore upwards the top that described lower plug member is slotted backward, the left and right sides of described lower plug member be respectively arranged with one up and down Cross-perforating, described lower plug member close-fitting from bottom to top is filled in the pore of described rectangle seat pipe lower end, and is made described lower plug The upper and lower cross-perforating of part corresponds to the upper and lower cross-perforating in described rectangle seat pipe lower end, makes described lower plug member fluting backward right The elongated hole of the rear side of rectangle seat pipe lower end described in Ying Yu, described round saddle pipe is to be processed by metal circular tube, described round saddle pipe Respectively have before and after rear end a radial direction to perforation, two couple of described round saddle pipe rear end is punched through two bolts and described upper plug member Two screwed holes fixing connect, the lower cross-perforating of described seat pipe 61 lower end is by lock bolt and the described rear slotware left and right sides Before mutual perforation is rotated in upper angle connect, in the elongated hole of described rectangle seat pipe lower end trailing flank and described lower plug member opening backward Be slidably connected in groove described lock-connecting piece, and described lock-connecting piece 62 is made up of flat pin, dead bolt and spring, spring put into described under In plug member fluting backward, and the upper end of spring is positioned in described lower plug member counterbore upwards, then in described lower plug member backward Fluting in penetrate flat pin, the screwed hole being respectively arranged with a longitudinal direction up and down in the middle part of flat pin, dead bolt is the metal parts of a bulk, The lower end of dead bolt is the dead bolt shape of door lock, the perforation being respectively arranged with a longitudinal direction up and down of the upper end of dead bolt, and the upper and lower perforation of dead bolt is led to Crossing that the two bolts screwed hole upper and lower with flat pin is fixing to be connected, dead bolt under the action of the spring can be with described rear slotware trailing flank Upper edge interlocking, the rear end of described connecting rod 63 penetrates in the upper cross-perforating of described seat pipe lower end from left to right, and is twisted by bolt Being connected in the screwed hole of described connecting rod 63 rear end positioning, described connecting rod 63 is to be pressed into directly by two ends before and after a metal round steel The parts of angle bending, respectively have a screwed hole, the front end of described connecting rod 63 at the two-end-point of described connecting rod 63 right-angle bending front and back Penetrate from left to right in the cross-perforating above front even part rear end, and be fastened to the screwed hole of described connecting rod 63 front end with bolt Middle positioning, described saddle 64 is connected on described round saddle pipe, and described folding location hook 65 is by a sheet of spring steel Top riveting one hook-type nylon part, there is a holes bottom of described folding location hook, and described folding location hook 63 is right by two Lock bolt is fixing with two horizontal perforation of left and right side, described beam pipe front end to be connected.
Described front-wheel 71 is the wheel of 8 inches, and described front-wheel 71 is installed on described front axle, and described trailing wheel 72 is 10 inches of wheels, the left end of described trailing wheel 72 wheel shaft is fastened in the lateral threaded holes of described interior plug, and tightens up institute with nut screw connection State the left end of trailing wheel 72 wheel shaft, make described interior plug fix with described wavy swan-neck rear end, the right-hand member of described trailing wheel 72 wheel shaft In the U-shaped opening of the right rear end being positioned at the secondary fork of described ∩ shape, and by the twist-on of two nuts, by the right-hand member of described trailing wheel 72 wheel shaft The U-shaped opening of the right rear end of secondary fork is fixed with described ∩ shape.
Upwards push dead bolt aside, and by described vehicle seat 6 collapsed forward, under the effect of described connecting rod 63, described vehicle seat 6 It is inconjunction with the 1st, the described front fork stem 2 of the 3rd, the described flexible handle of described side arm together with described front-wheel 71 to described central sill 4 Lower section fold, and make described trailing wheel 72 be positioned in the U-shaped opening backward between the left back end of lower clamping piece and right rear end so that The present invention after folding has accomplished ultimate attainmently small and exquisite, reaches perfect folding effect, and in described folding location hook 65 clasp joint institute State under the effect of seat pipe 6, by front fork stem 2 the 1st, described for the 3rd, the described flexible handle of described side arm together with described central sill 4 It is fixed on folded state.
Described drive mechanism 8 includes axis, two cranks, chain wheel, two pedals, flywheel and chain, and described axis passes through Axis accessory is connected in the five-way pore of described Five-way tube, and the crank described in two is installed on the two ends of described axis, described Chain wheel be fixedly connected on the right crank of crank described in two, the pedal described in two is connected on the crank described in two, Described flywheel is connected to the right side of described trailing wheel 72, and described chain is wire-wrapped on described chain wheel and described flywheel.

Claims (10)

1. a stretching handle folding portable bicycle, including flexible handle, front fork stem, side arm, central sill, rear fork, vehicle seat, front Wheel, trailing wheel and drive mechanism, is characterized in that: flexible handle includes left hand handle, right handgrip, upper latch fitting, lower latch fitting and handle, left hand Being to be formed as right-angle bending by the upper end of pipe with right handgrip, left hand with right handgrip right-angle bending at below outside have Screwed hole, upper latch fitting is made up of upper clamping piece, banking stop and clamping screw, and the two ends, left and right of upper clamping piece are respectively arranged with the circle of a upward and downward Hole, the circular hole of two upward and downwards of upper clamping piece is also connected with cracking of upward and downward, and upper clamping piece upward and downward cracks left and right Ge Kai rearward Having the screwed hole of a upward and downward, two bolts are passed through in the bottom of the screwed hole of left and right two upward and downward that upper clamping piece upward and downward cracks rearward Twist-on one banking stop, allows banking stop be connected to the bottom side of upper clamping piece, and the centre of upper clamping piece has one to crack vertical with upper clamping piece upward and downward Straight longitudinal hole, the rear end of upper clamping piece longitudinal hole connects the stop nut of a clamping screw, and left hand handle and right handgrip penetrate folder In the circular hole of two ends, part left and right upward and downward, and by left hand with right handgrip right-angle bending at below screwed hole correspond to upper clamping piece Bottom side, with two bolts be screwed into respectively left hand with right handgrip right-angle bending at below screwed hole in, by left hand handle and the right side Hand with upper clamping piece make rotate spacing, clamping screw penetrates in the longitudinal hole of upper clamping piece, and is screwed in stop nut, tightens Clamping screw can tighten up cracking of upper clamping piece upward and downward;Lower latch fitting is made up of lower clamping piece and clamping screw, the anterior left side of lower clamping piece Right two ends are respectively arranged with the circular hole of a upward and downward, and the circular hole of two anterior upward and downwards of lower clamping piece is connected with cracking of upward and downward, lower clamping piece Left back end have the circular hole of a upward and downward, there is the circular hole of a upward and downward lower clamping piece rear end to the right, and the anterior centre of lower clamping piece has One upward and downward anterior with lower clamping piece cracks vertical longitudinal hole, and the rear end of lower clamping piece longitudinal hole connects the locking spiral shell of a clamping screw Mother, in the middle part of lower clamping piece, the circular hole of left end upward and downward is connected with the upper end of front fork stem, and front fork stem is made up of pipe, cylinder and front axle, The bottom pore of pipe fills in cylinder, the bottom of pipe to and have a cross-perforating together with cylinder, front axle penetrates the end of pipe In the cross-perforating of end and cylinder, and winning to the right, left hand is the circular hole penetrating two ends, lower clamping piece left and right upward and downward with right handgrip In, clamping screw penetrates in the longitudinal hole of lower clamping piece, and is screwed in stop nut, tightens clamping screw and can tighten up on lower clamping piece Lower to crack, handle is connected to left hand the top with right handgrip, and is positioned at the top of upper clamping piece;Side arm by rotary part and Front even part is constituted, and rotary part is installed on the upward and downward circular hole of lower clamping piece rear end to the right, and the front end of front even part is grooved, front company The both sides up and down of part grooved have mutual to perforation, and the upper and lower of front even part rear end is respectively arranged with a cross-perforating, front even part grooved phase Mutual to being punched through connecting rotary part to lock bolt;Central sill includes beam pipe, front slotware and rear slotware, and beam pipe is by metal rectangular In pipe and two, chock is constituted, and in the pore of level metal rectangular pipe front and back end, close-fitting fills in interior chock, and interior chock is to be respectively arranged with one up and down to indulge To the parts of screwed hole, the chock being positioned in the pore of beam pipe front end connects front slotware by two bolts, and front slotware is opening Grooved part forward, the lower end of the front slotware left and right sides has mutual to perforation, and the left and right sides of level metal rectangular pipe rear end is related The chock in the pore being positioned at beam pipe rear end and have a horizontal perforation, be positioned in the pore of level metal rectangular pipe rear end Chock by two bolts connect after slotware, rear slotware is opening grooved part forward, the front Shang Jiao of the rear slotware left and right sides and under End is respectively arranged with mutual to perforation, is connected to the rear slotware of beam pipe rear end, its bottom mutual to perforation corresponding to Liang Guanhou End cross-perforating, the front slotware left and right sides mutual to be punched through to lock bolt with front company part rear end below laterally wear Hole rotates and connects;Rear fork is made up of wavy swan-neck, Five-way tube, front interior plug, rear interior plug and the secondary fork of ∩ shape, and wavy swan-neck is Be pressed into the parts of wavy bending by the middle part of level metal rectangular pipe, the left and right sides of wavy swan-neck front end has one and laterally wears Hole, the left and right sides of wavy swan-neck rear end has a mutual elongated hole, respectively has before and after the anterior upper side of wavy swan-neck , laterally there is First Five-Year Plan rodding eye in one vertical hole in the middle part of Five-way tube, and Five-way tube respectively has one before and after being positioned at five-way pore and vertically wears Hole, the vertical hole before and after the cooperation being vertically punched through two pairs of bolt and nuts before and after Five-way tube, with wavy swan-neck upper side Fixing connecting, front interior plug is the nylon rectangular block with cross-perforating for the middle part, and front chock off is joined and filled in wavy swan-neck front end In pore, and make to be positioned at cross-perforating laterally the wearing corresponding to wavy swan-neck front end of plug in the pore of wavy swan-neck front end Hole, rear interior plug is the parts of the rectangular block shape with lateral threaded holes, in the rear interior pore filling in wavy swan-neck rear end, and In after making, the lateral threaded holes of plug is corresponding to the mutual elongated hole in wavy swan-neck rear end, the left side of the secondary fork of ∩ shape by rivet with The right side riveting of wavy swan-neck rearward end, the cooperation by bolt and nut for the cross-perforating of wavy swan-neck front end, with central sill The cross-perforating of rear end rotates and connects, and after rear fork can fold to inferoanterior, and wavy swan-neck launches with central sill, is connected to On wavy swan-neck, the leading flank of Five-way tube leans against the trailing flank of slotware after central sill;Vehicle seat includes seat pipe, lock-connecting piece, connecting rod, saddle Seat and folding location hook, seat pipe is made up of rectangle seat pipe, upper plug member, lower plug member and circle saddle pipe, and rectangle seat pipe is by a rectangular tube Upper end bend to the left and form, rectangle seat pipe lower end respectively have a cross-perforating, the trailing flank of rectangle seat pipe lower end up and down Having an elongated hole, in the pore of rectangle seat pipe upper end, close-fitting fills in plug member, and in the pore of rectangle seat pipe lower end, close-fitting is filled in down Plug member, and make the upper and lower cross-perforating of lower plug member corresponding to the upper and lower cross-perforating in rectangle seat pipe lower end, makes lower plug member backward Fluting is connected by two bolts and upper plug member are fixing corresponding to the elongated hole of the rear side of rectangle seat pipe lower end, circle saddle pipe, seat pipe lower end Lower cross-perforating by lock bolt mutual with rear slotware left and right sides Qian Shang angle to perforation rotation be connected, under rectangle seat pipe In the elongated hole of end trailing flank and being slidably connected lock-connecting piece in lower plug member fluting backward, lock-connecting piece can upper with rear slotware trailing flank Edge interlocking, the upper cross-perforating of seat pipe lower end rotates the rear end connecting connecting rod, and connecting rod is by two ends before and after a metal round steel Be pressed into the parts of right-angle bending, before and after connecting rod right-angle bending two-end-point at respectively have a screwed hole, the front end of connecting rod with front Even the cross-perforating above part rear end rotates and connects, and saddle is connected on circle saddle pipe, folds location hook and is connected to beam pipe front end Right flank;Front-wheel is installed on front axle, and trailing wheel is installed on interior plug and the secondary fork of ∩ shape of rear fork;Drive mechanism include axis, two Crank, chain wheel, two pedals, flywheel and chain, central axis is connected in Five-way tube, and two cranks are installed on the two ends of axis, tooth Dish is fixedly connected on the crank on the right of two cranks, and flywheel is connected to the right side of trailing wheel, and chain is wire-wrapped on chain wheel and flywheel.
2. stretching handle folding portable bicycle according to claim 1, is characterized in that: described left hand handle and the described right hand Screwed hole correspond respectively to bottom side, described left hand handle and the described right handgrip lower end side screw thread of described upper latch fitting upper clamping piece After hole is screwed into bolt, can be as described left hand the limit sliding up and down with described lower latch fitting lower clamping piece with described right handgrip Position, be connected to the described banking stop of described upper clamping piece bottom side, be connected to described left hand and described right handgrip on two bolts Coordinate, can be as spacing when launching with described right handgrip of described left hand.
3. stretching handle folding portable bicycle according to claim 1, is characterized in that: after described upper clamping piece longitudinal hole End be connected with a counterbore, the counterbore of described upper clamping piece is inlayed the stop nut of clamping screw described in, described clamping screw by Bolt and screw handle and be formed by connecting, described clamping screw also includes stop nut, the left back end of described lower clamping piece and right rear end Between have an opening U-shaped opening backward, the width of the U-shaped opening of described lower clamping piece is corresponding with the width of the tire of trailing wheel.
4. stretching handle folding portable bicycle according to claim 1, is characterized in that: the left back end of described lower clamping piece upper Lower corresponding with the pipe close-fitting of described front fork stem to circular hole, the upward and downward circular hole of the left back end of described lower clamping piece and described front fork stem circle The upper end close-fitting socket of pipe, described handle is a working of plastics, and two lower ends of described handle are respectively connected with the circle of a upward and downward, described Aperture and the described left hand of two circle collar aperture of handle and the external diameter of described right handgrip corresponding, the top of described handle is to draw The handle of hand.
5. stretching handle folding portable bicycle according to claim 1, is characterized in that: described rotary part includes Front axle tube, two zanjon bearings, a plane bearing and have a shock-absorbing polyurethane cylinder, it is deep that the upper and lower side of front axle tube pore is respectively milled with placement The counterbore of ditch bearing, in the upward and downward circular hole of the described lower clamping piece of front axle tube close-fitting from bottom to top press-in rear end to the right, two zanjon axles Holding in the counterbore being embedded in front axle tube upper and lower side respectively, plane bearing is lining on the zanjon bearing of described front axle tube upper end, then will Shock-absorbing polyurethane cylinder is put on plane bearing, shock-absorbing polyurethane cylinder axially have a hole, and by the endoporus of two zanjon bearings, The axis hole of plane bearing and the hole of shock-absorbing polyurethane cylinder, corresponding to connect before described the upper and lower two sides of part front end grooved mutual to wearing Described rotatable parts are connected the grooved of part and are connected before described by lock bolt by hole.
6. stretching handle folding portable bicycle according to claim 1, is characterized in that: interior chock is by being respectively arranged with one up and down The cut-out workpiece of the rectangular aluminium section bar of circular hole, tapped in two circular holes up and down of interior chock, bottom surface after described front slotware Be respectively arranged with a hole up and down, after described front slotware bottom surface upper lower opening by two bolts be positioned in the pore of level metal rectangular pipe front end Interior chock twist-on is fixed.
7. stretching handle folding portable bicycle according to claim 1, is characterized in that: bottom surface lower end after described rear slotware Portion is respectively arranged with a hole up and down, after described rear slotware undersurface lower end portions upper lower opening by two bolts be positioned at level metal rectangular pipe rear end Interior chock twist-on in pore is fixed.
8. stretching handle folding portable bicycle according to claim 1, is characterized in that: described upper plug member is by front and back It is respectively arranged with the cut-out workpiece of the rectangular aluminium section bar of a circular hole, tapped in two circular holes before and after described plug member, described rectangle Seat pipe upper end is inconjunction with a described upper plug member pin of hitting the person together and reinforces, and described lower plug member is by the square of nylon injection-molding The block parts of shape, the trailing flank of described lower plug member has a fluting backward, the top that described lower plug member is slotted backward have one to On counterbore, the left and right sides of described lower plug member be respectively arranged with a cross-perforating up and down, described round saddle pipe is to be added by metal circular tube Work forms, respectively have before and after described round saddle pipe rear end a radial direction to perforation.
9. stretching handle folding portable bicycle according to claim 1, is characterized in that: described lock-connecting piece is by flat Pin, dead bolt and spring are constituted, and spring is put in described lower plug member fluting backward, and the upper end of spring is positioned at described lower plug member In counterbore upwards, then penetrate flat pin in described lower plug member fluting backward, in the middle part of flat pin, be respectively arranged with one up and down longitudinally Screwed hole, dead bolt is the metal parts of a bulk, and the lower end of dead bolt is the dead bolt shape of door lock, the upper end of dead bolt each up and down Having the perforation of a longitudinal direction, what dead bolt was upper and lower be punched through, and the two bolts screwed hole upper and lower with flat pin is fixing is connected, and dead bolt is at bullet The effect of spring is lower can be with the upper edge interlocking of described rear slotware trailing flank.
10. stretching handle folding portable bicycle according to claim 1, is characterized in that: the rear end of described connecting rod is from a left side Penetrate to the right in the upper cross-perforating of described seat pipe lower end, and be fastened in the screwed hole of described rod rear end positioning with bolt, The front end of described connecting rod penetrates in the cross-perforating above front even part rear end from left to right, and is fastened to described connecting rod with bolt Positioning in the screwed hole of front end, described folding location hook is by the top riveting one hook-type nylon part of a sheet of spring steel, There is holes the bottom of described folding location hook, and described folding location hook is by two bolts and the two of described beam pipe front end right flank Horizontal screwed hole is fixing to be connected.
CN201610700977.3A 2016-08-22 2016-08-22 Stretching handle folding portable bicycle Active CN106064657B (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6354618B1 (en) * 1999-07-09 2002-03-12 Daocheng Liao Folding bicycle
CN103171713A (en) * 2013-03-26 2013-06-26 太仓市车中宝休闲用品有限公司 Folding and pushable type portable bicycle
CN105172966A (en) * 2015-09-06 2015-12-23 太仓市车中宝休闲用品有限公司 Portable folding bicycle
CN206012827U (en) * 2016-08-22 2017-03-15 太仓市车中宝休闲用品有限公司 Stretching handle folding portable bicycle

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6354618B1 (en) * 1999-07-09 2002-03-12 Daocheng Liao Folding bicycle
CN103171713A (en) * 2013-03-26 2013-06-26 太仓市车中宝休闲用品有限公司 Folding and pushable type portable bicycle
CN105172966A (en) * 2015-09-06 2015-12-23 太仓市车中宝休闲用品有限公司 Portable folding bicycle
CN206012827U (en) * 2016-08-22 2017-03-15 太仓市车中宝休闲用品有限公司 Stretching handle folding portable bicycle

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