CN206012834U - Stretching handle Five-way tube rotary shaft portable bicycle - Google Patents

Abstract

A kind of stretching handle Five-way tube rotary shaft portable bicycle, including the handle that stretches, front fork stem, side arm, central sill, fork afterwards, vehicle seat, front-wheel, trailing wheel and drive mechanism, flexible handle connection 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 interior chock, interior chock afterwards, front slotware, slotware and shock-absorbing are formed by connecting by part afterwards, fork is by Five-way tube afterwards, Five-way tube connects part, wavy swan-neck, the secondary fork of ∩ shapes and interior plug 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 trailing wheel on.

Description

Stretching handle Five-way tube rotary shaft portable bicycle

Technical field：

This utility model is related to a kind of folding portable bicycle, more particularly to a kind of using Five-way tube as rotating shaft Stretching handle Five-way tube rotary shaft portable bicycle.

Technical background：

Have several money folding bicycles in the market, although have a folding bicycle that folding rate is fast, but due to structure and The reasons such as construction, can not possibly also reach the satisfaction being put in knapsack after folding.

Utility model content：

The purpose of this utility model is to provide for a kind of handlebar in the new type foldable mode of the handle type that stretches, and rear fork is with The folding of beam is folded with Five-way tube as rotating shaft forward downward, and vehicle seat folds the mode with side arm folding linkage, energy after having folded The stretching handle Five-way tube rotary shaft portable bicycle being enough put in knapsack.The purpose of this utility model is realized in； Stretching handle Five-way tube rotary shaft 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 handle 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 be provided with spiral shell Pit, upper latch fitting are made up of upper clamping piece, banking stop and clamping screw, and upper clamping piece is the blank of an aluminium extruded type, a left side for upper clamping piece Respectively there is the circular hole of a upward and downward at right two ends, are also connected with cracking for upward and downward, on upper clamping piece on the circular hole of two upward and downwards of upper clamping piece The lower screwed hole for being respectively provided with a upward and downward to the left and right that cracks rearward, two upward and downward of left and right that upper clamping piece upward and downward cracks rearward The bottom of screwed hole allows banking stop to be connected to the bottom side of upper clamping piece by two bolt twist-ons, one banking stop, and the centre of upper clamping piece has One is cracked vertical longitudinal hole with upper clamping piece upward and downward, and the rear end of upper clamping piece longitudinal hole connects the stop nut of a clamping screw, Left hand in the circular hole for penetrating upper clamping piece or so two ends upward and downward with right handgrip, and by under at left hand handle and right handgrip right-angle bending Side screwed hole corresponding to upper clamping piece bottom side, with two bolts be screwed into respectively left hand with right handgrip right-angle bending at below In screwed hole, by left hand spacing with what right handgrip and upper clamping piece were made to rotate, also, be fastened to left hand with right handgrip on two Bolt, is coordinated with the banking stop of the bottom side for being connected to upper clamping piece, can be as left hand spacing when launching with right handgrip, locking screw Bolt is penetrated in the longitudinal hole of upper clamping piece, and is screwed in stop nut, is tightened clamping screw and can be tightened up opening for upper clamping piece upward and downward Upper clamping piece is locked left hand handle and right handgrip so that left hand handle and right handgrip are fixed and can not be rotated by seam；Lower latch fitting is by lower clamping piece Constitute with clamping screw, lower clamping piece is the blank of an aluminium extruded type, and respectively there is the circle of a upward and downward at the anterior left and right two ends of lower clamping piece Hole, is connected with cracking for upward and downward on the circular hole of two anterior upward and downwards of lower clamping piece, and there is the circle of a upward and downward at the left back end of lower clamping piece Hole, lower clamping piece rear end to the right have the circular hole of a upward and downward, the anterior centre of lower clamping piece to have one to open with lower clamping piece front portion upward and downward The vertical longitudinal hole of seam, the rear end of lower clamping piece longitudinal hole connect the stop nut of a clamping screw, and in the middle part of lower clamping piece, left end is upper and lower To circular hole be connected with the upper end of front fork stem, front fork stem is made up of pipe, cylinder and front axle, fills in circle in the bottom pore of pipe Post, the bottom of pipe to and have a cross-perforating, front axle to penetrate in the bottom of pipe and the cross-perforating of cylinder together with cylinder, and Win to the right, in the circular hole for penetrating lower clamping piece or so two ends upward and downward with right handgrip, clamping screw penetrates lower clamping piece to left hand In longitudinal hole, and it is screwed in stop nut, tightens clamping screw and can tighten up cracking for lower clamping piece upward and downward, lower clamping piece is locked Left hand handle and right handgrip so that left hand handle and right handgrip are fixed and can not be slided up and down, handle are connected to left hand handle and right handgrip Top, and the top positioned at upper clamping piece；Side arm is made up of rotary part and front even part, and it is to the right that rotary part is installed on lower clamping piece On the upward and downward circular hole of rear end, front even part is the slice processing part of aluminium extruded type, and the front end of front even part is in grooved, front even part grooved Up and down both sides have mutual to perforation, and the upper and lower of front even part rear end respectively has a cross-perforating, front even part grooved mutual to wearing Hole passes through to locking bolt connection rotary part；Central sill includes beam pipe, front interior chock, rear interior chock, front slotware, rear slotware and shock-absorbing Lean on part, before in the pore of beam pipe front end, close-fitting is filled in chock, front interior chock is the part for respectively having a longitudinal threaded bore up and down, position In before in the pore of beam pipe front end, by slotware before two bolt connections, front slotware is the grooved part being open forward to chock, front The lower end of the slotware left and right sides has mutual to perforation, and the left and right sides at beam pipe rear portion is provided with a Five-way tube and penetrates hole and four Mutual cross-perforating, the mutual cross-perforating in four, beam pipe rear portion are penetrated around hole into decile and positioned at Five-way tube, interior afterwards Chock is that interior chock is from beam pipe rear end afterwards by the part for having in the middle of one one and the corresponding aperture of Five-way tube, corner respectively to have a circular hole Fill in pore to beam pipe rear portion, and by the corresponding aperture of rear interior chock Five-way tube and the circular hole of corner, respectively with beam pipe rear portion Five-way tube penetrate that the hole cross-perforating mutual with four is corresponding, rear slotware is the grooved part being open forward, on rear side of rear slotware One opening arranged at the bottom in face, and the anterior angle of the left and right sides on rear slotware top has mutual to perforation, the left and right two of rear slotware bottom Side has a Five-way tube to penetrate hole and four mutual cross-perforatings, the Five-way tube of rear slotware penetrate hole and four mutual laterally wear Hole, penetrates hole with the Five-way tube at beam pipe rear portion and four mutual cross-perforatings is corresponding, with four rivets by rear slotware and after The rear portion of interior chock and beam pipe is fixed, and shock-absorbing is connected to the left surface of beam pipe rear end by part, mutual right in the front slotware left and right sides It is punched through being connected with the cross-perforating rotation below front even part rear end to locking bolt；Afterwards fork by Five-way tube, Five-way tube connect part, The secondary fork of wavy swan-neck, ∩ shapes and interior plug are constituted, and Five-way tube is processed by metal tube, outwardly convex of the right-hand member of Five-way tube Edge, Five-way tube penetrates the Five-way tube in central sill rear portion from right to left and penetrates in hole and win to the left, and Five-way tube connects before part is The part that portion is cast, rear portion is rod, Five-way tube are connected the rear portion of part and are connected with the front end of wavy swan-neck, and Five-way tube connects part Amplexis is fixed in the anterior left part with Five-way tube, and wavy swan-neck is by the portion of the middle part compacting corrugate bending of level metal rectangular pipe Part, the left and right sides of wavy swan-neck rear end are provided with a mutual elongated hole, and the left side of the secondary fork of ∩ shapes is curved with wavy by rivet The right side riveting of curved tube rearward end, interior plug is the part of rectangular block shape with lateral threaded holes, and wavy swan-neck filled in by interior plug In the pore of rear end, and make the lateral threaded holes of interior plug corresponding to the mutual elongated hole in wavy swan-neck rear end, the five of rear fork leads to The Five-way tube at Guan Nengyu central sills rear portion penetrates hole rotatable engagement, and rear fork is folded to inferoanterior, after expansion, wavy bending The upper side of the front portion of pipe can be leant by part with the shock-absorbing of central sill rear end；Vehicle seat include seat pipe, lock-connecting piece, connecting rod, saddle and Location hook is folded, 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 the upper of a rectangular tube Lateral bend is formed to the left at end, and rectangle seat pipe lower end is respectively provided with a cross-perforating up and down, and the trailing flank of rectangle seat pipe lower end is provided with One 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 fills in lower plug member, And the cross-perforating for making lower plug member upper and lower makes lower plug member fluting backward right corresponding to the upper and lower cross-perforating in rectangle seat pipe lower end Should be in the elongated hole of the rear side of rectangle seat pipe lower end, circle saddle pipe is fixedly connected with upper plug member by two bolts, the lower horizontal stroke of seat pipe lower end To being punched through to locking, bolt is mutual with upper angle before the rear slotware left and right sides to be connected to perforation rotation, on rear side of rectangle seat pipe lower end It is slidably connected lock-connecting piece in the elongated hole in face and in lower plug member fluting backward, lock-connecting piece can be locked with the upper edge of rear slotware trailing flank Connect, the upper cross-perforating of seat pipe lower end rotates the rear end of connection connecting rod, and connecting rod is pressed into by the rear and front end of a metal round steel The part of right-angle bending, is respectively provided with a screwed hole at the two-end-point of right-angle bending before and after connecting rod, the front end of connecting rod is connected after part with front The cross-perforating of end top rotates connection, and saddle is connected on round saddle pipe, folds the right flank that location hook is connected to beam pipe front end； Front-wheel is installed on front axle, and trailing wheel is installed on the interior plug of rear fork and the secondary fork of ∩ shapes, opens lock-connecting piece, and vehicle seat is rolled over forward Folded, in the presence of connecting rod, vehicle seat is inconjunction with side arm, flexible handle, front fork stem and front-wheel and folds to the lower section of central sill together, reaches Perfect folding effect is arrived, and in the presence of location hook seat pipe is folded, by vehicle seat, side arm, flexible handle, front fork stem and central sill Folded state is fixed on together；Drive mechanism includes that axis, two cranks, chain wheel, two pedals, flywheel and chain, central axis connect It is connected in Five-way tube, two cranks are installed on the two ends of axis, chain wheel is fixedly connected on the crank on the right of two cranks, flywheel connects In the right side of trailing wheel, chain is wire-wrapped on chain wheel and flywheel.

The beneficial effects of the utility model are：Ingenious cooperation of this utility model by profile piece so that whole vehicle frame is all Without electric welding, a kind of new trend of the manufacturing process of bicycle is represented；Handlebar of the present utility model is using flexible handle Form so that the folding of handlebar had reached both most simple, and reached most effective；Front fork stem is connected to the right-hand member in the middle part of lower clamping piece Upward and downward circular hole in, the upward and downward circular hole of lower clamping piece rear end to the right connection rotary part, central sill are located at position to the right so that Trailing wheel after folding can be located in the U-shaped opening that lower clamping piece connects between front fork stem and connection rotary part, make the sheet after folding Utility model has been accomplished ultimate attainmently compact；Front tumbler of the present utility model using side arm and is connected to lower clamping piece rear end to the right The cooperation of rotary part, includes plane bearing and shock-absorbing polyurethane cylinder in rotary part, make front tumbler both simple and have Imitate and also there is incabloc function；By the way of central sill connects front slotware and rear slotware using beam pipe, rear fork connects part using Five-way tube The mode of the rear portion rotatable engagement of fixed amplexis Five-way tube, Five-way tube and central sill so that foldable structure of the present utility model reaches Simpler, and make the structure compacter again；The lower cross-perforating of seat pipe lower end is rotated with rear slotware and is connected, seat pipe lower end Upper cross-perforating is connected with the rear end thereof of connecting rod so that linkage structure has also been accomplished ultimate attainment simple.

Description of the drawings：

Fig. 1 is this utility model structural representation；

Fig. 2 is the expanded schematic diagram of the flexible handle of this utility model；

Fig. 3 is the gathering schematic diagram of the flexible handle of this utility model；

Fig. 4 is this utility model folding process schematic diagram；

Fig. 5 is that this utility model folding finishes figure；

In figure：1 flexible 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 pipes, 62 lock-connecting pieces, 63 connecting rods, 64 saddles, 65 fold location hook.

Specific embodiment：

According to Fig. 1, described stretching handle Five-way tube rotary shaft portable bicycle, including handle 1, the front fork stem 2, side arm of stretching 3rd, central sill 4, rear fork 5, vehicle seat 6, front-wheel 71, trailing wheel 72 and drive mechanism system 8；

Described flexible handle 1 includes left hand 11, right handgrip 12, upper latch fitting 13, 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 the left hand is 11 and the right hand Outside below at 12 right-angle bendings is respectively provided with a screwed hole, the left hand is 11 and the screwed hole difference of the right handgrip 12 Corresponding to the bottom side of 13 upper clamping piece of upper latch fitting, with two bolts difference twist-on to the left hand straight to 11 and the right handgrip 12 At angular distortion in the screwed hole of lower outer, be connected to the left hand 11 and the right handgrip 12 bolt respectively be located at described The bottom side of 13 upper clamping piece of upper latch fitting, the left hand are respectively provided with a screwed hole the side of 11 and 12 lower end of the right handgrip, described Left hand is screwed into 11 and 12 lower end side screwed hole of the right handgrip after bolt, can be as described left hand 11 and the described right side Handle 12 spacing with what 14 lower clamping piece of lower latch fitting was slided up and down.

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 left and right two ends of the upper clamping piece respectively have the circular hole of a upward and downward, on the circular hole of two upward and downwards of the upper clamping piece also Cracking for upward and downward is connected with, respectively there are the circular hole of a upward and downward, the upper clamping piece in the left and right that the upper clamping piece upward and downward cracks rearward The left side that tapping is cracked rearward into screwed hole, the upper clamping piece upward and downward in the circular hole of two upward and downward of left and right that upward and downward cracks rearward The bottom of the screwed hole of right two upward and downwards allows described banking stop to be connected to described by the banking stop described in two bolt twist-ons one The bottom side of upper clamping piece, and crack rearward positioned at the upper clamping piece upward and downward, described banking stop is two ends portion with holes Part, is connected to the banking stop of the upper clamping piece bottom side, and is connected to the left hand two on 11 and the right handgrip 12 Bolt coordinates, and spacing when 11 and described right handgrip 12 can be launched as described left hand, the centre of the upper clamping piece has One is cracked vertical longitudinal hole with the upper clamping piece upward and downward, and the rear end of the upper clamping piece longitudinal hole is connected with a counterbore, described on The stop nut of clamping screw described in is inlayed in the counterbore of folder, is tightened described clamping screw and can be tightened up upper clamping piece upward and downward Crack, upper clamping piece is locked left hand handle and right handgrip so that left hand handle and right handgrip are fixed and can not be rotated, described locking Bolt 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, Respectively there is the circular hole of a upward and downward at the anterior left and right two ends of the lower clamping piece, on the circular hole of two anterior upward and downwards of the lower clamping piece also Cracking for upward and downward is connected with, the left back end of the lower clamping piece has the circular hole of a upward and downward, lower clamping piece rear end to the right to have one The circular hole of upward and downward, has opening U-shaped opening backward between the left back end of the lower clamping piece and right rear end, and the 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 and the front fork stem 2 at the left back end of the lower clamping piece 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, front axle to penetrate in the bottom of pipe and the cross-perforating of cylinder and win to the right together with cylinder Go out, the upper end close-fitting socket of the upward and downward circular hole at the left back end of the lower clamping piece and 2 pipe of the front fork stem, in the lower clamping piece Between have one to crack vertical longitudinal hole with lower clamping piece upward and downward, the rear end of the lower clamping piece longitudinal hole is connected with clamping screw described in Stop nut, described left hand penetrates 11 and described right handgrip 12 circular hole of described lower clamping piece or so two ends upward and downward In, described clamping screw is penetrated in the longitudinal hole of the lower clamping piece, and is screwed in stop nut, tightens the clamping screw Cracking for 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, is made Obtain described left hand to fix 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 the handle 15 are respectively connected with the circle of a upward and downward, the handle Corresponding for the external diameter of 11 and the right handgrip 12, the top of the handle 15 is aperture and the left hand of 15 two circle collar aperture The handle of one handle, two collar aperture of the handle 15 are socketed on the left hand respectively under 11 and 12 knee of the right handgrip Side, described handle 15 are located at the top of the upper clamping piece.

Described side arm 3 includes that rotary part and front even part, described rotary part include 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 for placing zanjon bearing, front Close-fitting is pressed in the upward and downward circular hole of lower clamping piece rear end to the right central siphon from bottom to top, and 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 the front axle tube upper end, then shock-absorbing polyurethane cylinder is put On plane bearing, there is a hole axial direction of shock-absorbing polyurethane cylinder, and by the endoporus of two zanjon bearings, the axis hole of plane bearing and keeps 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 locking bolt Described rotatable parts with described before connect the grooved of part and be connected, described before connect the slice processing part that part is aluminium extruded type, described before Even the front end of part in grooved, the upper and lower of rear end respectively have a horizontal perforation, described before connect the both sides up and down of part grooved and be provided with 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 interior chock, rear interior chock, front slotware, rear slotware and shock-absorbing by part, described Beam pipe is made up of level metal rectangular pipe, the left and right sides at the beam pipe rear portion, is provided with a Five-way tube and penetrates hole and four mutual horizontal strokes To perforation, the mutual cross-perforating in four, the beam pipe rear portion is penetrated around hole into decile and positioned at Five-way tube, the beam pipe Chock in before close-fitting is filled in the pore of front end, described front interior chock is by the rectangular aluminium section bar for respectively having a circular hole up and down Cutting off processing part, tapped in two circular holes up and down of the front interior chock, before and after the beam pipe left and right side front end, related The described front interior chock that in the pore of beam pipe front end is provided with two horizontal perforation, locks bolts by the front interior chock with two pairs Be fixedly connected in the pore of the beam pipe front end, and the folding location hook 65 of the related vehicle seat 6 be fixedly connected on described The right side of beam pipe front end, described front slotware are to strike out opening grooved part forward, described front slotware or so two by sheet metal The lower end of side has mutual to perforation, and after the front slotware, bottom surface respectively has a hole up and down, and after the front slotware, bottom surface is upper and lower Hole is fixed with the front interior chock twist-on being located in the pore of beam pipe front end by two bolts, mutual right in the front slotware left and right sides Be punched through to lock bolt with described before connect cross-perforating below part rear end and rotate and be connected.

Described rear interior chock is by the part for having in the middle of one one and the corresponding aperture of Five-way tube, corner respectively to have a circular hole, institute In after stating, chock is filled in the rear portion of the beam pipe from the pore of beam pipe rear end, and will described after in chock Five-way tube Corresponding aperture and the circular hole of corner, are penetrated hole respectively and four mutual cross-perforatings are relative with the Five-way tube at the beam pipe rear portion Should, described rear slotware is to strike out opening grooved part forward by sheet metal, and the bottom of the rear slotware trailing flank has out Mouthful, the anterior angle of the left and right sides on the rear slotware top has mutual to perforation, and the left and right sides of the rear slotware bottom has one Five-way tube penetrates hole and four mutual cross-perforatings, the Five-way tube of the rear slotware penetrate hole and four mutual laterally wear Hole, penetrates hole with the Five-way tube at the beam pipe rear portion and four mutual cross-perforatings is corresponding, with four rivets by rear slotware Fix with rear portion of the rear interior chock with level metal rectangular pipe.

Described shock-absorbing is made up of metal folding part and shock-absorbing polyurethane block by part, and metal folding part is rushed by a sheet metal The part of right-angle bending is pressed into, the top surface face that there is several riveted holes, metal folding part the side of metal folding part there are two screw threads Hole, the side of metal folding part riveting, the top surface screwed hole of metal folding part are fixed by the left surface of rivet and beam pipe rear end It is connected with shock-absorbing polyurethane block by two pairs of lock bolts, shock-absorbing polyurethane block rectangular-blocklike, shock-absorbing polyurethane block vertically have Two through hole, the bottom of shock-absorbing polyurethane block two through hole respectively connect a counterbore, the shock-absorbing polyurethane block after being connected with metal folding part It is located at the left surface of the beam pipe rear end.

Described rear fork 5 is connected the secondary fork of part, wavy swan-neck, ∩ shapes by Five-way tube, Five-way tube and interior plug is constituted, described Five-way tube is processed by metal tube, and the right-hand member of the Five-way tube strikes out outside flange, a left side for the Five-way tube pore Right two ends are provided with screw thread, and the Five-way tube penetrates the Five-way tube in the central sill rear portion from right to left and penetrates in hole and win to the left Go out, it is the slice processing part for having aluminium extruded type that described Five-way tube connects part, and the Five-way tube connects the anterior cast in opening of part, described Five-way tube connect at part cast opening vertical be provided with mutual to perforation, the Five-way tube connects the part back lower place in rod, described five Siphunculus connects the rod of the part back lower place and penetrates in the pore of the wavy swan-neck front end, the wavy swan-neck front end horizontal It is inconjunction with the Five-way tube and connects the rod of the part back lower place and be provided with several riveted holes, the front end of the wavy swan-neck is by several rivetings The rod riveting for connecting the part back lower place with the Five-way tube is followed closely, the Five-way tube connects the cast of part opening with a described and Five-way tube left side End is socketed, and the Five-way tube connects the vertical mutual cooperation to being punched through bolt and nut at part opening, will be described Five-way tube connects the Five-way tube described in the cast fastening amplexis of part opening.

Described wavy swan-neck is by the part of the middle part compacting corrugate bending of level metal rectangular pipe, the wavy bending The left and right sides of pipe rear end is provided with a mutual elongated hole, and the right flank at the wavy swan-neck rear portion has several riveted holes, described The secondary fork of ∩ shapes be made up of the bending of metal flat bar, there are several riveted holes, the secondary fork of the ∩ shapes in the left side of the secondary fork of the ∩ shapes Right rear end be provided with U-shaped opening backward, the left side of the secondary fork of the ∩ shapes is by rivet and the right side at wavy swan-neck rear portion Riveting, described interior plug is the part of the rectangular block shape with lateral threaded holes, described interior fills in wavy swan-neck rear end In pore, and the lateral threaded holes of the interior plug are made corresponding to the mutual elongated hole in the wavy swan-neck rear end, the rear fork 5 Five-way tube can penetrate hole rotatable engagement with the Five-way tube at the central sill rear portion, and the rear fork 5 is folded to inferoanterior, After expansion, the upper side of the front portion of the wavy swan-neck can be leant by part with the shock-absorbing of the central sill rear end.

Described vehicle seat 6 includes seat pipe 61, lock-connecting piece 62, connecting rod 63, saddle 64 and folds location hook 65, described seat pipe 61 by rectangle seat pipe, upper plug member, lower plug member and circle saddle pipe constitute, described rectangle seat pipe be by a rectangular tube upper end to the left Bending is formed, and the rectangle seat pipe lower end is respectively provided with a cross-perforating up and down, and the trailing flank of the rectangle seat pipe lower end is provided with One elongated hole, in the pore of the rectangle seat pipe upper end, close-fitting fills in described upper plug member, and described upper plug member is by respectively having in front and back The cutting off processing part of the rectangular aluminium section bar of one circular hole, tapped, the rectangle seat pipe in two circular holes before and after the plug member Upper end is inconjunction with described upper plug member and hits the person together pin reinforcing, and in the pore of the rectangle seat pipe lower end, close-fitting fills in lower plug Part, described lower plug member are that the trailing flank of the lower plug member has one backward by the part of the rectangular block shape of nylon injection-molding Fluting, the top that the lower plug member is slotted backward have a counterbore upwards, and the left and right sides of the lower plug member respectively has one up and down Cross-perforating, fill in the pore of the rectangle seat pipe lower end in from bottom to top by close-fitting for described lower plug member, and makes the lower plug The upper and lower cross-perforating of part makes lower plug member fluting backward right corresponding to the upper and lower cross-perforating in the rectangle seat pipe lower end The elongated hole of the rear side of rectangle seat pipe lower end described in Ying Yu, described round saddle pipe is processed by metal circular tube, the round saddle pipe Respectively be provided with before and after rear end a radial direction to perforation, two couple of the round saddle pipe rear end is punched through two bolts with the upper plug member Two screwed holes be fixedly connected, the lower cross-perforating of 61 lower end of the seat pipe passes through to locking bolt and the rear slotware left and right sides What front upper angle was mutual rotates connection to perforation, in the elongated hole of the rectangle seat pipe lower end trailing flank and the 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 be put into described under In plug member fluting backward, and the upper end of spring is located in lower plug member counterbore upwards, then in the lower plug member backward Fluting in penetrate flat pin, the screwed hole for respectively having a longitudinal direction up and down in the middle part of flat pin, dead bolt is the metal parts of a bulk, Dead bolt shape of the lower end of dead bolt in door lock, the perforation for respectively having a longitudinal direction up and down of the upper end of dead bolt, the upper and lower perforation of dead bolt are led to Cross the two bolts screwed hole upper and lower with flat pin to be fixedly connected, dead bolt under the action of the spring can be with the rear slotware trailing flank Upper edge interlocking, the rear end of the connecting rod 63 are penetrated in the upper cross-perforating of the seat pipe lower end from left to right, and blending bolt is twisted It is connected in the screwed hole of 63 rear end of the connecting rod and positions, described connecting rod 63 is pressed into directly by the rear and front end of a metal round steel The part of angle bending, is respectively provided with a screwed hole, the front end of the connecting rod 63 at the two-end-point of right-angle bending before and after the connecting rod 63 Penetrated in the cross-perforating above front even part rear end from left to right, blending bolt is fastened to the screwed hole of 63 front end of the connecting rod Middle positioning, described saddle 64 are connected on described round saddle pipe, and described folding location hook 65 is by a sheet of spring steel Top rivet a hook-type nylon part, there is holes the bottom of the folding location hook, and the folding location hook 65 passes through two spiral shells Bolt is fixedly connected with two horizontal screwed holes of the beam pipe front end right flank.

Described front-wheel 71 is 8 inches of wheel, 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 72 wheel shaft of the trailing wheel is fastened in the lateral threaded holes of the interior plug, and tightens up institute with nut screw connection State the left end of 72 wheel shaft of trailing wheel, described interior plug is fixed with the wavy swan-neck rear end, the right-hand member of 72 wheel shaft of the trailing wheel In the U-shaped opening of the right rear end for being located at the secondary fork of the ∩ shapes, and the twist-on by two nuts, by the right-hand member of 72 wheel shaft of the trailing wheel Fix with the U-shaped opening of the right rear end of the secondary fork of the ∩ shapes.

Dead bolt pushed aside upwards, and by described 6 collapsed forward of vehicle seat, in the presence of the connecting rod 63, described vehicle seat 6 Described side arm 3, described flexible handle 1, described front fork stem 2 and described front-wheel 71 are inconjunction with together to the central sill 4 Lower section fold, and make in the U-shaped opening backward that described trailing wheel 72 is located between the left back end of lower clamping piece and right rear end so that This utility model after folding has been accomplished ultimate attainmently compact, reaches perfect folding effect, and in folding 65 hook of location hook In the presence of connecing the seat pipe 6, by described side arm 3, described flexible handle 1, described front fork stem 2 and described central sill 4 Folded state is fixed on together.

Described drive mechanism 8 includes that axis, two cranks, chain wheel, two pedals, flywheel and chain, described axis pass through Axis accessory is connected in described Five-way tube, and the crank described in two is installed on the two ends of the axis, and described chain wheel is fixed It is 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 The right side of the trailing wheel 72 is connected to, described chain is wire-wrapped on described chain wheel and described flywheel.

Claims (10)

1. a kind of stretching handle Five-way tube rotary shaft 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 drawing Handss, 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 is provided with screwed hole, and upper latch fitting is made up of upper clamping piece, banking stop and clamping screw, and the left and right two ends of upper clamping piece respectively have about one To circular hole, be also connected with cracking for upward and downward, the left side that upper clamping piece upward and downward cracks rearward on the circular hole of two upward and downwards of upper clamping piece The right side is respectively provided with the screwed hole of a upward and downward, and the bottom of the screwed hole of two upward and downward of left and right that upper clamping piece upward and downward cracks rearward passes through Two bolt twist-ons, one banking stop, allows banking stop to be connected to the bottom side of upper clamping piece, and the centre of upper clamping piece has one with upper clamping piece upward and downward Crack vertical longitudinal hole, and the rear end of upper clamping piece longitudinal hole connects the stop nut of a clamping screw, and left hand handle and right handgrip are worn Enter in the circular hole of upper clamping piece or so two ends upward and downward, and by left hand with right handgrip right-angle bending at below screwed hole correspond to The bottom side of upper clamping piece, with two bolts be screwed into respectively left hand with right handgrip right-angle bending at below screwed hole in, by left hand Spacing with what right handgrip and upper clamping piece were made to rotate, clamping screw is penetrated in the longitudinal hole of upper clamping piece, and is screwed into stop nut In, tighten clamping screw and can tighten up cracking for upper clamping piece upward and downward；Lower latch fitting is made up of lower clamping piece and clamping screw, before lower clamping piece Respectively there is the circular hole of a upward and downward at the left and right two ends in portion, are connected with cracking for upward and downward on the circular hole of two anterior upward and downwards of lower clamping piece, The left back end of lower clamping piece has the circular hole of a upward and downward, lower clamping piece rear end to the right to have the circular hole of a upward and downward, lower clamping piece front portion Centre has one to crack vertical longitudinal hole with lower clamping piece front portion upward and downward, and the rear end of lower clamping piece longitudinal hole connects a clamping screw Stop nut, 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 by pipe, cylinder and front axle Constitute, in the bottom pore of pipe, fill in cylinder, the bottom of pipe to and have a cross-perforating, front axle to penetrate pipe together with cylinder Bottom and cylinder cross-perforating in, and win to the right, left hand is penetrating lower clamping piece or so two ends upward and downward with right handgrip In circular hole, clamping screw is penetrated in the longitudinal hole of lower clamping piece, and is screwed in stop nut, is tightened clamping screw and can be tightened up lower folder Cracking for part upward and downward, shakes hands to be connected to left hand the top with right handgrip, and the top positioned at upper clamping piece；Side arm is by rotating part Part and front even part are 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 in grooved, 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 respectively has a cross-perforating, front even part groove Type mutual to be punched through to lock bolt connection rotary part；Central sill include beam pipe, front interior chock, rear in chock, front slotware, Slotware and shock-absorbing lean on part afterwards, interior chock before close-fitting is filled in the pore of beam pipe front end, and front interior chock is that respectively have a longitudinal spiral shell up and down The part of pit, in the pore of beam pipe front end before in chock by slotware before two bolt connections, front slotware is opening court Front grooved part, the lower end of the front slotware left and right sides has mutual to perforation, and the left and right sides at beam pipe rear portion is provided with a Five-way tube Hole and four mutual cross-perforatings are penetrated, the mutual cross-perforating in four, beam pipe rear portion penetrates hole into decile and positioned at Five-way tube Around, afterwards interior chock be by the part for having in the middle of one one and the corresponding aperture of Five-way tube, corner respectively to have a circular hole, afterwards interior chock from Fill in the pore of beam pipe rear end to beam pipe rear portion, and by the corresponding aperture of rear interior chock Five-way tube and the circular hole of corner, distinguish Hole is penetrated with the Five-way tube at beam pipe rear portion and four mutual cross-perforatings is corresponding, rear slotware is the grooved part being open forward, An opening arranged at the bottom of slotware trailing flank afterwards, the anterior angle of the left and right sides on rear slotware top have mutual to perforation, under rear slotware The left and right sides in portion has a Five-way tube to penetrate hole and four mutual cross-perforatings, and the Five-way tube of rear slotware penetrates hole and four phases Mutual cross-perforating, penetrates hole with the Five-way tube at beam pipe rear portion and four mutual cross-perforatings is corresponding, will with four rivets Slotware and rear interior chock are fixed with the rear portion of beam pipe afterwards, and shock-absorbing is connected to the left surface of beam pipe rear end, front slotware or so two by part Side mutual to being punched through being connected to locking bolt and rotate with the cross-perforating below front even part rear end；Afterwards fork by Five-way tube, Five-way tube connects the secondary fork of part, wavy swan-neck, ∩ shapes and interior plug is constituted, and Five-way tube is processed by metal tube, the right side of Five-way tube The edge at outwardly convex of end, Five-way tube penetrate the Five-way tube in central sill rear portion from right to left and penetrate in hole and win to the left, five It is that front portion is that cast, the part that rear portion is rod, Five-way tube are connected the rear portion of part and be connected with the front end of wavy swan-neck that siphunculus connects part, Five-way tube connects the left part of the front portion of part and Five-way tube and fixes amplexis, and wavy swan-neck is by being pressed in the middle part of level metal rectangular pipe The part of wavy bending, the left and right sides of wavy swan-neck rear end are provided with a mutual elongated hole, and the left side of the secondary fork of ∩ shapes passes through The right side of rivet and wavy swan-neck rearward end rivets, and interior plug is the part of the rectangular block shape with lateral threaded holes, Nei Saisai Enter in the pore of wavy swan-neck rear end, and the lateral threaded holes of interior plug are made corresponding to the mutual elongated hole in wavy swan-neck rear end, The Five-way tube of fork can penetrate hole rotatable engagement with the Five-way tube at central sill rear portion afterwards, and the upper side of the front portion of wavy swan-neck can be with The shock-absorbing of central sill rear end leans by part；Vehicle seat includes seat pipe, lock-connecting piece, connecting rod, saddle and folds 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 that lateral bend is formed to the left by the upper end of a rectangular tube, rectangle Seat pipe lower end is respectively provided with a cross-perforating up and down, and the trailing flank of rectangle seat pipe lower end is provided with 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 Bore a hole 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 are fixedly connected with upper plug member by two bolts, the lower cross-perforating of seat pipe lower end pass through to lock bolt and Afterwards before the slotware left and right sides upper angle mutual connection is rotated to perforation, in the elongated hole of rectangle seat pipe lower end trailing flank and lower plug member to Be slidably connected in fluting afterwards 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 of connection connecting rod, and connecting rod is the part for being pressed into right-angle bending by the rear and front end of a metal round steel, connecting rod A screwed hole is respectively provided with the two-end-point of right-angle bending in front and back, and the front end of connecting rod is rotated with the cross-perforating above front even part rear end Connection, saddle are connected on round saddle pipe, fold the right flank that location hook is connected to beam pipe front end；Front-wheel is installed on front axle, trailing wheel It is installed on the interior plug and the secondary fork of ∩ shapes of rear fork；Drive mechanism includes axis, two cranks, chain wheel, two pedals, flywheel and chain Bar, central axis are connected in Five-way tube, and two cranks are installed on the two ends of axis, and chain wheel is fixedly connected on the song on the right of two cranks On handle, flywheel is connected to the right side of trailing wheel, and chain is wire-wrapped on chain wheel and flywheel.

2. stretching handle Five-way tube rotary shaft portable bicycle according to claim 1, is characterized in that：The left hand handle and institute The screwed hole for stating right handgrip corresponds respectively to the bottom side of the upper latch fitting upper clamping piece, the left hand handle and the right handgrip lower end side After face screwed hole is screwed into bolt, can be as described left hand sliding up and down with the lower latch fitting lower clamping piece with described right handgrip Spacing, be connected to the banking stop of the upper clamping piece bottom side, be connected to the left hand with the right handgrip on two Bolt coordinates, can be as described left hand spacing when launching with described right handgrip.

3. stretching handle Five-way tube rotary shaft portable bicycle according to claim 1, is characterized in that：The upper clamping piece longitudinal direction The rear end in hole is connected with a counterbore, inlays the stop nut of clamping screw described in, described locking in the counterbore of the upper clamping piece Bolt by bolt and screws handle and is formed by connecting, and described clamping screw also includes stop nut, the left back end of the lower clamping piece and There is opening U-shaped opening backward between right rear end, the width of the lower clamping piece U-shaped opening is relative with the width of the tire of trailing wheel Should, the upward and downward circular hole at the left back end of the lower clamping piece is corresponding with the pipe close-fitting of the front fork stem, the left back end of the lower clamping piece The upper end close-fitting socket of upward and downward circular hole and the front fork stem pipe, described handle is a working of plastics, the handle two under End is respectively connected with the circle of a upward and downward, and the aperture of two circle collar aperture of the handle is with the left hand the external diameter phase with the right handgrip Corresponding, the top of the handle is the handle of a handle.

4. stretching handle Five-way tube rotary shaft portable bicycle according to claim 1, is characterized in that：Described rotary part Include front axle tube, two zanjon bearings, a plane bearing and have a shock-absorbing polyurethane cylinder, the upper and lower side of front axle tube pore to be respectively milled with The counterbore of zanjon bearing is placed, close-fitting is pressed in the upward and downward circular hole of lower clamping piece rear end to the right front axle tube from bottom to top, two Zanjon bearing is embedded in the counterbore of front axle tube upper and lower side respectively, plane bearing be lining in the front axle tube upper end zanjon bearing it On, then shock-absorbing polyurethane cylinder being put on plane bearing, there is a hole axial direction of shock-absorbing polyurethane cylinder, and by two zanjon bearings Endoporus, the axis hole of plane bearing and shock-absorbing polyurethane cylinder hole, corresponding to connecting the upper and lower two sides phase of part front end grooved before described Mutual to perforation, with to lock bolt by described rotatable parts with described before connect the grooved of part and be connected.

5. stretching handle Five-way tube rotary shaft portable bicycle according to claim 1, is characterized in that：Described front interior chock It is by the cutting off processing part of the rectangular aluminium section bar for respectively having a circular hole up and down, in two circular holes up and down of the front interior chock, is tapped with spiral shell Stricture of vagina, before and after the beam pipe left and right side front end, the described front interior chock being inconjunction with the pore of beam pipe front end is provided with two horizontal strokes To perforation, the front interior chock is fixedly connected in the pore of the beam pipe front end with two pairs of lock bolts, and related institute That states vehicle seat folds the right side that location hook is fixedly connected on the beam pipe front end.

6. stretching handle Five-way tube rotary shaft portable bicycle according to claim 1, is characterized in that：Described shock-absorbing leans on part It is made up of metal folding part and shock-absorbing polyurethane block, metal folding part is the part for being struck out right-angle bending by a sheet metal, gold There are several riveted holes the side of category bending part, and the side that there is two screwed holes, metal folding part in the top surface face of metal folding part leads to The left surface that rivet is crossed with beam pipe rear end fixes riveting, and the top surface screwed hole of metal folding part is gathered with shock-absorbing by two pairs of lock bolts Urethane block connects, shock-absorbing polyurethane block rectangular-blocklike, and vertically the have two through hole, shock-absorbing polyurethane block two of shock-absorbing polyurethane block lead to The bottom in hole respectively connects a counterbore, and the shock-absorbing polyurethane block after being connected with metal folding part is located at the left side of the beam pipe rear end Face.

7. stretching handle Five-way tube rotary shaft portable bicycle according to claim 1, is characterized in that：The Five-way tube connects part The anterior cast in opening, the Five-way tube connect at part cast opening vertical be provided with mutual to perforation, the Five-way tube connects The rod of the part back lower place is penetrated in the pore of the wavy swan-neck front end, the Five-way tube connect the cast of part opening with described Be socketed with the left part of Five-way tube, and the Five-way tube connect vertical mutual to being punched through bolt and nut at part opening Coordinate, the Five-way tube is connected the Five-way tube described in the cast fastening amplexis of part opening.

8. stretching handle Five-way tube rotary shaft portable bicycle according to claim 1, is characterized in that：Described upper plug member is By the cutting off processing part of the rectangular aluminium section bar for respectively having a circular hole in front and back, tapped, institute in two circular holes before and after the plug member State rectangle seat pipe upper end and be inconjunction with described upper plug member and hit the person together pin reinforcing, described lower plug member be by nylon injection-molding and Into rectangular block shape part, the trailing flank of the lower plug member has a fluting backward, the top that the lower plug member is slotted backward There is a counterbore upwards, the left and right sides of the lower plug member respectively has a cross-perforating up and down, and described round saddle pipe is by metal Pipe is processed, the round saddle pipe rear end before and after be respectively provided with a radial direction to perforation.

9. stretching handle Five-way tube rotary shaft portable bicycle according to claim 1, is characterized in that：Described lock-connecting piece by Flat pin, dead bolt and spring are constituted, and spring is put in lower plug member fluting backward, and the upper end of spring be located at described under In plug member counterbore upwards, then flat pin is penetrated in lower plug member fluting backward, respectively have one up and down in the middle part of flat pin The screwed hole of longitudinal direction, dead bolt is the metal parts of a bulk, the dead bolt shape of the lower end of dead bolt in door lock, the upper end of dead bolt upper Under respectively have the perforation of a longitudinal direction, what dead bolt was upper and lower be punched through the two bolts screwed hole upper and lower with flat pin is fixedly connected, dead bolt Under the action of the spring can with the upper edge interlocking of the rear slotware trailing flank,

10. stretching handle Five-way tube rotary shaft portable bicycle according to claim 1, is characterized in that：After the connecting rod End is penetrated in the upper cross-perforating of the seat pipe lower end from left to right, and blending bolt is fastened in the screwed hole of the rod rear end Positioning, the front end of the connecting rod are penetrated in the cross-perforating above front even part rear end from left to right, and blending bolt is fastened to institute Stating in the screwed hole of connecting rod front end and positioning, described folding location hook is a hook-type Buddhist nun to be riveted by the top of a sheet of spring steel Imperial part, the bottom of the folding location hook have holes, and the folding location hook is by the right side of two bolts and the beam pipe front end The two horizontal screwed holes in face are fixedly connected.