CN206012831U - The rotating shaft of stretching handle Five-way tube can drag type portable electric bicycle - Google Patents

Abstract

A kind of rotating shaft of stretching handle Five-way tube can drag type portable electric bicycle，Including the handle that stretches、Front fork、Side arm、Central sill、Middle even component、Tow wheel、Fork afterwards、Vehicle seat、Front-wheel、Trailing wheel、Man power driving mechanism and electric drive system，Flexible handle connection front fork and side arm，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 and rear slotware are formed by connecting，Middle even component is formed by connecting by main even part and shock resistance block，Fork is by Five-way tube afterwards、Two Five-way tubes connect part、Shock-absorbing catch、Two dropout 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 fork，Trailing wheel is installed on rear fork，Drive mechanism is by axis、Two cranks、Chain wheel、Two pedals、Flywheel and chain are constituted，Electric drive system is by motor、Battery、Controller and controlling switch are constituted.

Description

The rotating shaft of stretching handle Five-way tube can drag type portable electric 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 The rotating shaft of stretching handle Five-way tube can drag type portable electric bicycle.

Technical background：

There are several money folding electric bicycles in the market, although have a folding electric bicycle that folding rate is fast, but by In the reason such as structure and construction, the satisfaction being put in knapsack after folding, can not possibly be also reached.

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 Even the folding of component is folded with Five-way tube as rotating shaft forward downward, and vehicle seat folds the mode with side arm folding linkage, has folded The stretching handle Five-way tube rotating shaft that can be put in knapsack afterwards can drag type portable electric bicycle.The purpose of this utility model It is realized in；The rotating shaft of stretching handle Five-way tube can drag type portable electric bicycle, including flexible handle, front fork, side arm, in Beam, middle even component, wheel, rear fork, vehicle seat, front-wheel, trailing wheel, man power driving mechanism and electric drive system is towed, be it is characterized in that： Flexible handle includes left hand handle, right handgrip, upper latch fitting, lower latch fitting and handle, and left hand is being to be made by the upper end of pipe with right handgrip Right-angle bending is formed, left hand with right handgrip right-angle bending at below outside be provided with screwed hole, upper latch fitting is by upper clamping piece, spacing Piece and clamping screw are constituted, and upper clamping piece is the blank of an aluminium extruded type, and respectively there is the circular hole of a upward and downward at the left and right two ends of upper clamping piece, The cracking of upward and downward is also connected with the circular hole of two upward and downwards of upper clamping piece, and the left and right that upper clamping piece upward and downward cracks rearward is respectively provided with one The screwed hole of upward and downward, the bottom of the screwed hole of two upward and downward of left and right that upper clamping piece upward and downward cracks rearward pass through two bolt twist-ons One banking stop, allows banking stop to be connected to the bottom side of upper clamping piece, the centre of upper clamping piece have one crack with upper clamping piece upward and downward vertical Longitudinal hole, the rear end of upper clamping piece longitudinal hole connect the stop nut of a clamping screw, and left hand handle and right handgrip penetrate a upper clamping piece left side In the circular hole of right two ends upward and downward, and by left hand with right handgrip right-angle bending at below 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 screwed hole in, by left hand handle and right handgrip With upper clamping piece make rotate spacing, also, be fastened to left hand with right handgrip on two bolts, with the bottom side for being connected to upper clamping piece Banking stop coordinate, can be as left hand spacing when launching with right handgrip, clamping screw is penetrated in the longitudinal hole of upper clamping piece, and It is screwed in stop nut, tightens clamping screw and can tighten up cracking for upper clamping piece upward and downward, upper clamping piece is locked left hand handle and the right side Handle so that left hand handle and right handgrip are fixed and can not be rotated；Lower latch fitting is made up of lower clamping piece and clamping screw, and lower clamping piece is one The blank of aluminium extruded type, the anterior left and right two ends of lower clamping piece respectively have the circular hole of a upward and downward, two anterior upward and downwards of lower clamping piece Cracking for upward and downward is connected with circular hole, and the right and left at the middle part of lower clamping piece respectively has the circular hole of a upward and downward, on the right of lower clamping piece There is a circular hole of a upward and downward rear end, and the anterior centre of lower clamping piece has one to crack vertical longitudinal hole with the anterior upward and downward of lower clamping piece, The rear end of lower clamping piece longitudinal hole connects the stop nut of a clamping screw, in the middle part of lower clamping piece the circular hole of the right and left upward and downward with front The upper end connection of fork, front fork are made up of two front fork stems, and front fork is that the gap for being flattened and be provided with by the bottom of pipe ∩ shapes is formed, In the circular hole for penetrating lower clamping piece or so two ends upward and downward with right handgrip, clamping screw is penetrated in the longitudinal hole of lower clamping piece left hand, And be screwed in stop nut, tighten clamping screw and can tighten up cracking for 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 slided up and down, handle are connected to left hand the top with right handgrip, and It is located at the top of upper clamping piece；Side arm is made up of rotary part and front even part, and rotary part is installed on the upper of rear end on the right of lower clamping piece Lower on circular hole, front even part is the slice processing part of aluminium extruded type, 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, the upper and lower of front even part rear end respectively has a cross-perforating, mutual right to being punched through of front even part grooved Lock bolt connection rotary part；Central sill includes beam pipe, front interior chock, rear interior chock, front slotware and rear slotware, the beam pipe left and right sides Front end have two mutual to perforation, before filling in the pore of beam pipe front end in chock, in the pore of beam pipe front end before By slotware before two bolt connections, front slotware is the grooved part being open forward to interior chock, and there is phase the lower end of the front slotware left and right sides Mutual the upper side of beam pipe rear end is provided with a gap, the left and right sides of beam pipe rear end to perforation, is provided with four and mutual laterally wears Hole, into symmetrical before and after up and down, rear slotware is the grooved part being open forward to the mutual cross-perforating in four, beam pipe rear portion, pit The anterior angle of the left and right sides on part top have mutual to perforation, the left and right sides of rear slotware bottom have four mutual to perforation, The left and right sides of slotware bottom is several mutual corresponding with the cross-perforating of the beam pipe rear end left and right sides four to boring a hole afterwards, interior afterwards Chock is the part that respectively there is a circular hole corner, and interior chock fills in the bottom of rear slotware afterwards, and the bottom of rear slotware is again from beam pipe rear end Upper side gap in fill in, and the circular hole of rear interior chock corner is relative with the mutual cross-perforating in beam pipe rear end four Should, the front slotware left and right sides mutual to being punched through being connected to locking bolt and rotate with the cross-perforating below front even part rear end； Middle even component is made up of main even part and shock resistance block, and main even part is the part of an aluminum, and there are transverse holes the back upper place of main even part, main Even be connected with below the transverse holes of part back upper place one horizontal crack, cracked below main even part upper end hole vertical is furnished with a pair of bolts Nut, the middle part for having four cross-perforatings, main even part in the middle part of main even part are also provided with longitudinal screwed hole, and the back lower place of main even part has One Five-way tube corresponding aperture, the rear of main even part Five-way tube corresponding aperture be connected with one horizontal crack, after main even part Five-way tube corresponding aperture Side crack vertical be furnished with a pair of bolts nut, with four to locking bolt by four cross-perforatings of main even part, after beam pipe End and rear slotware and rear interior chock are fixed together, and shock resistance block is connected with the screwed hole of the longitudinal direction in the middle part of main even part by bolt；Drag Road wheel is towed central siphon and is penetrated in the main even transverse holes of part back upper place, and tightened and main company by central siphon is towed and two tugboats are constituted Crack below the transverse holes of part back upper place vertical bolt and nut, will tow central siphon and is fixed in the even transverse holes of main part back upper place, The outside that two tugboats are connected to bolt the two ends for towing central siphon is locked with a pair；Fork is connected part, is kept away by Five-way tube, two Five-way tubes afterwards Shake catch and two dropout are constituted, and Five-way tube is processed by metal tube, and Five-way tube penetrates corresponding in the Five-way tube of main even part Kong Zhong, and the left and right two ends of Five-way tube in main even part Five-way tube corresponding aperture win, Five-way tube connect part be anterior for cast, after Part of the portion in piece shape, Five-way tube connects two vertical rods above part cast, Five-way tube connects to be opened between two vertical rod of part The collar aperture that seam connects part cast with Five-way tube is connected, and Five-way tube connects and have mutual longitudinal hole, Five-way tube to connect part on two vertical rod of part Longitudinal hole in penetrate bolt and be furnished with nut, Five-way tube is connected the rear end of part and is connected with the front end of dropout, and two Five-way tubes connect part Cast fix amplexis with the left end of Five-way tube and right part respectively, and the both sides of shock-absorbing catch be connected to two Five-way tubes connect part In cracking between two vertical rods, Five-way tube can with the Five-way tube corresponding aperture rotatable engagement of main even part, and enable rear fork to Inferoanterior is folded, and after expansion, the shock-absorbing catch connected positioned at two Five-way tubes in cracking between two vertical rod of part can be with shock resistance block phase Against；Vehicle seat include seat pipe, lock-connecting piece, connecting rod, saddle and fold location hook, seat pipe by rectangle seat pipe, upper plug member, lower plug member and Circle saddle pipe is constituted, and rectangle seat pipe is that lateral bend is formed to the left by the upper end of a rectangular tube, and rectangle seat pipe lower end is respectively provided with up and down One cross-perforating, the trailing flank of rectangle seat pipe lower end are provided with an elongated hole, and in the pore of rectangle seat pipe upper end, close-fitting fills in plug member, 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 corresponds to rectangle seat pipe lower end Upper and lower cross-perforating, makes lower plug member fluting backward corresponding to the elongated hole of the rear side of rectangle seat pipe lower end, and circle saddle pipe passes through two Bolt is fixedly connected with upper plug member, and the lower cross-perforating of seat pipe lower end passes through to locking upper angle phase before bolt and the rear slotware left and right sides Mutual rotates connection to perforation, and be slidably connected in the elongated hole of rectangle seat pipe lower end trailing flank and in lower plug member fluting backward interlocking Part, lock-connecting piece can rotate the rear end of connection connecting rod with the upper edge interlocking of rear slotware trailing flank, the upper cross-perforating of seat pipe lower end, Connecting rod is the part for being pressed into right-angle bending by the rear and front end of a metal round steel, each at the two-end-point of right-angle bending before and after connecting rod A screwed hole is provided with, the front end of connecting rod is rotated with the cross-perforating above front even part rear end and is connected, and saddle is 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, and trailing wheel is installed on the rear end of two dropout, opens Lock-connecting piece, and by vehicle seat collapsed forward, in the presence of connecting rod, vehicle seat is inconjunction with side arm, flexible handle, front fork stem and front-wheel one Rise to the lower section of central sill and fold, reach perfect folding effect, and in the presence of location hook seat pipe is folded, by vehicle seat, side arm, Flexible handle, front fork stem and central sill are fixed on folded state together；Man power driving mechanism includes axis, two cranks, chain wheel, bipod Pedal, flywheel and chain, 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 two On crank on the right of crank, flywheel is connected to the right side of trailing wheel, and chain is wire-wrapped on chain wheel and flywheel；Electric drive system includes Motor, battery, controller and controlling switch, motor are arranged at front-wheel, and battery and controller are all placed in the beam pipe of central sill.

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, on the right of lower clamping piece rear end upward and downward circular hole connection rotary part, central sill be 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；Plane bearing and shock-absorbing polyurethane cylinder is included in rotary part of the present utility model, Allow front tumbler that both simply, also there is incabloc function；By the way of central sill connects front slotware and rear slotware using beam pipe, middle even component By the way of main even part, shock-absorbing catch, two shock resistance blocks and positioning lock connection, and rear fork is connected using Five-way tube, two Five-way tubes Part, the mode of two dropout connection so that fork can connect elements fold, and the effect with rear shock-absorbing with middle afterwards, and tow Wheel can also be installed on the upper end of middle even component so that this utility model can be towed after folding；The lower cross-perforating of seat pipe lower end Rotate with rear slotware and be connected, the upper cross-perforating of seat pipe lower end is connected with the rear end thereof of connecting rod so that linkage structure is also accomplished Ultimate attainment is simple.Central sill is located at position to the right so that the trailing wheel after folding can be located between saddle and front fork, and central sill By the way of beam pipe connects front slotware and rear slotware, and simultaneous band, as battery case, has reached and has most dexterously reduced again using beam pipe The purpose in space.

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 the schematic diagram for connecting component in this utility model；

Fig. 5 is this utility model folding process schematic diagram；

Fig. 6 is that this utility model folding finishes figure；

In figure：1 flexible handle, 2 front forks, 3 side arms, 4 central sills connect component in 51, 52 tow wheel, fork after 53,6 vehicle seats, 71 front-wheels, 72 trailing wheels, 8 man power driving mechanisms, 9 electric drive systems；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 rotating shaft can drag type portable electric bicycle, including flexible handle 1, front Fork 2, side arm 3, central sill 4, middle even component 51, tow wheel 52, rear fork 53, vehicle seat 6, front-wheel 71, trailing wheel 72, man power driving mechanism 8 and electric drive system 9；

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 It is connected with cracking for upward and downward, the centre of the lower clamping piece has one to crack vertical longitudinal hole with lower clamping piece upward and downward, the lower folder The right and left in the middle part of part respectively has the circular hole of a upward and downward, and there is the circular hole of a upward and downward rear end on the right of the lower clamping piece, described There are opening U-shaped opening backward, the width of the lower clamping piece U-shaped opening and the wheel of trailing wheel in the middle part of lower clamping piece between the right and left The width of tire is corresponding, and in the middle part of the lower clamping piece, the pipe of 2 liang of front fork stems of the upward and downward circular hole of the right and left and the front fork is tight With corresponding to, described front fork 2 is made up of two front fork stems, and described front fork stem is made up of metal circular tube, the lower end of the front fork stem In flattening shape, at the flattening of the front fork stem lower end, be provided with the gap of ∩ shapes, the upper end of front fork stem described in two respectively with the lower folder The upward and downward circular hole close-fitting socket of the right and left in the middle part of part, the rear end of the lower clamping piece longitudinal hole is connected with clamping screw described in Stop nut, described left hand penetrate 11 and described right handgrip 12 in the circular hole of described lower clamping piece or so two ends upward and downward, Described clamping screw is penetrated in the longitudinal hole of the lower clamping piece, and is screwed in stop nut, tightens the clamping screw energy Cracking for lower clamping piece upward and downward is tightened up, by left hand described for described lower clamping piece locking 11 and described right handgrip 12 so that Described left hand is fixed 11 and described right handgrip 12 and can not be slided 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 rotation zanjon bearing, Close-fitting is pressed on the right of the lower clamping piece in the upward and downward circular hole of rear end, before two zanjon bearings are embedded in respectively front axle tube from bottom to top In the counterbore of central siphon upper and lower side, plane bearing is lining on the zanjon bearing of the front axle tube upper end, then by shock-absorbing polyurethane cylinder Be 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 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 perforation, with to locking bolt By 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 The front end of front even part is in grooved, the upper and lower of rear end respectively has a horizontal perforation, described before connect the both sides up and down of part grooved and be provided with 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, respectively have before and after the beam pipe left and right sides front end one mutual to perforation, after the beam pipe The upper side at end is provided with a gap, and the beam pipe rear end is located at the left and right sides below gap, is provided with four and mutual laterally wears Fill in the pore of the beam pipe front end into symmetrical in front and back up and down in hole, the mutual cross-perforating in the beam pipe rear end four Front interior chock, described front interior chock be by the cutting off processing part of the rectangular aluminium section bar for respectively having a circular hole up and down, described front interior Tapped in two circular holes up and down of chock, two horizontal perforation are provided with before and after the front interior chock, before the front interior chock Before and after two cross-perforatings afterwards and the beam pipe left and right sides front end, two is mutual corresponding to perforation, with two couples of lock bolts generals The front interior chock is fixedly connected in the pore of the beam pipe front end, and the folding location hook 65 of the related vehicle seat 6 is solid Surely be connected to the right side of the beam pipe front end, unclamp the two couples lock bolt for being located at the beam pipe front end, will be described before in chock Extracting forward, lithium battery group and controller being put in the pore of the beam pipe front end just, described front slotware is by metal Piece strikes out opening grooved part forward, the lower end of the front slotware left and right sides have mutual to perforation, after the front slotware Bottom surface respectively has a hole up and down, after the front slotware the upper lower opening of bottom surface by two bolts be located in beam pipe front end pore before Interior chock twist-on is fixed, the front slotware left and right sides mutual to be punched through to lock bolt with described before connect below part rear end Cross-perforating rotate connection.

Described rear interior chock is that described rear interior chock is embedded in the pit by one or four jiaos of parts for respectively having a circular hole The bottom of part, described rear slotware are to strike out opening grooved part forward, the left and right two on the rear slotware top by sheet metal The anterior angle of side has mutual to perforation, and there are four mutual cross-perforatings, the pit in the left and right sides of the rear slotware bottom Four mutual cross-perforatings of part, with four mutual cross-perforatings at the beam pipe rear portion and described after in chock corner Circular hole is corresponding, and after the bottom of the rear slotware is inconjunction with, interior chock is filled in the gap in the beam pipe rear upper side face.

Connecting component 51 in described includes main even part, shock resistance block and positioning lock, and described main even part is by an Al squeezing material The part being reprocessed into after section, the main even part back upper place have transverse holes, the lower section of the main even part back upper place transverse holes Be connected with one horizontal crack, crack below the main even part back upper place transverse holes vertical have a longitudinal direction mutual to perforation, institute State main even part longitudinally mutual to penetrating a bolt and being furnished with a nut twist-on, tighten main company's part longitudinally mutual Bolt and nut in perforation can tighten up the transverse holes of the main even part back upper place, have four laterally to wear in the middle part of the main even part Hole, in the middle part of the main even part, four cross-perforatings are corresponding with the mutual cross-perforating in the beam pipe rear end four, the main company Laterally have the Five-way tube corresponding aperture, the main even part five for having longitudinal screwed hole, the main even part back lower place in the middle part of part leads to The rear of pipe corresponding aperture be connected with one horizontal crack, what the main even part Five-way tube corresponding aperture rear was cracked vertical has a vertical phase Mutual to perforation, the main even part is vertically mutual to penetrating a bolt and being furnished with a nut twist-on, main company described in twist-on Part vertically mutual to perforation in bolt and nut, Five-way tube corresponding aperture can be adjusted to and described Five-way tube rotatable engagement pine Tight appropriate level, the main even part Five-way tube corresponding aperture rear laterally to be cracked and have a transverse groove that Open Side Down above rear end Type, the vertical twist-on of the horizontal grooved right-hand member of the main even part have a bolt.

With four to locking bolt by four cross-perforatings of the main even part, with the rear end of the beam pipe and rear slotware and after Interior chock is fixed together, described shock resistance block be by polyurethane into rectangular block shape shock resistance block, have on described shock resistance block Through hole, the rear end of the through hole of the shock resistance block are connected with counterbore, and described shock resistance block is respectively by indulging in the middle part of bolt and the main even part To screwed hole connection, positioning lock is installed in the transverse groove of the main even part, positioning lock is by dead bolt, round bar, spring and toggle structure Into dead bolt is made up of metal square cotter, and the metal square cotter of dead bolt is corresponding with the horizontal grooved of the main even part, and the left end of dead bolt is in The dead bolt shape of door lock, the right-hand member connection round bar of dead bolt, the trailing flank connection toggle of dead bolt, toggle is by a button-headed bolt twist-on Form in the trailing flank of dead bolt, noose spring on round bar, dead bolt, round bar are inconjunction with the transverse groove that spring is positioned over the main even part In type, make the right-hand member of spring prop up the vertical bolt of the horizontal grooved right-hand member of the main even part, make the spiral shell of the button-headed bolt of toggle Bar slides on that the main even part Five-way tube corresponding aperture rear is horizontal to crack, and makes the left end interlocking of dead bolt in the rear fork 53 left side Five-way tubes connect in the square hole of part.

The described wheel 52 that tows is towed the blank that central siphon is metal circular tube, is towed by central siphon is towed and two tugboats are constituted Central siphon is penetrated in the main even transverse holes of part back upper place, and will penetrate vertical indulging of cracking below the main even part back upper place transverse holes To mutual to perforation in screw bolt and nut tighten, central siphon will be towed and be fixed in the even transverse holes of main part back upper place, The outside that two tugboats are connected to bolt the two ends for towing central siphon is locked again with a pair, tugboat is that the PU of plastic wheel hub takes turns, PU wheels two A deep groove ball bearing is respectively inlayed in the centre of side, be also lined with a lining ring between two deep groove ball bearings of PU wheels, and shelves opened by two tugboats Shelves, and the inner side for opening shelves positioned at the crank described in two are opened less than the crank described in two.

Described rear fork 53 connects part, shock-absorbing catch and two dropout by Five-way tube, two Five-way tubes and constitutes, and described five are logical Pipe is processed by metal tube, and described Five-way tube is penetrated in the main even Five-way tube corresponding aperture of part, and described five The left and right two ends of siphunculus in the main even Five-way tube corresponding aperture of part are being won, and it is by Al squeezing material that described Five-way tube connects part Slice processing part, described Five-way tube connects that part is anterior for cast, and the Five-way tube connects the collar aperture of part cast and the Five-way tube External diameter corresponding, the Five-way tube connects two vertical rods above part cast, the Five-way tube connects between two rod of part Have one to crack, the Five-way tube connects the collar aperture for connecting part cast with Five-way tube of cracking between two vertical rod of part and connects, described five lead to Pipe connects has longitudinal direction mutual to perforation between two vertical rod of part, it is longitudinally mutual to penetrating spiral shell in perforation that the Five-way tube connects part Bolt, and one end twist-on nut of bolt, the Five-way tube connect the rear portion of part cast in piece shape, and the Five-way tube connects part piece shape There is a horizontal rectangular opening leading section, and the Five-way tube connects the rearward end of part piece shape several screwed holes, and Five-way tube described in two connects The cast of part left and right two ends noose respectively with the Five-way tube, tighten Five-way tube described in two connect part longitudinally mutual to perforation in Screw bolt and nut, Five-way tube described in two is connected part and is respectively fixedly connected with the left and right two ends in the Five-way tube.

Described shock-absorbing catch is formed by a metal stamping, the both sides Ge Youyi holes of the shock-absorbing catch, the shock-absorbing The both sides of catch are positioned over the Five-way tube and connect cracking between two rod of part, and the two of the shock-absorbing catch lateral opening corresponds to two institutes State Five-way tube connect between two rod of part longitudinal direction mutual to perforation, by the twist-on of two bolt and nuts, Five-way tube described in two is connected While the left and right two ends of part cast and the Five-way tube are tightened up, Five-way tube described in described shock-absorbing catch and two is connected two bar of part Fixation of cracking between shape.

Described dropout is made up of the sheet metal of flat bar, and there are several holes the leading section of the dropout, described after Several screwed holes that several holes of forks piece leading section connect part rearward end with the Five-way tube are corresponding, the several holes of the dropout There is opening U-shaped gap backward the rear end that there is a wavy bending, the dropout at rear, and described in two, dropout is symmetrical, The rearward end that dropout described in two connects part by several bolts with Five-way tube described in two respectively is connected, after being connected with main company's part Described rear fork 53, described rear fork 53 can be made with Five-way tube as axle and the Five-way tube corresponding aperture rotatable engagement of main even part Can fold to inferoanterior, after expansion, being connected to the shock-absorbing catch that Five-way tube described in two connects during two rod of part cracks can be with institute The shock resistance block that states leans.

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 motor wheel, and the two ends of 71 wheel shaft of the front-wheel are installed on by the cooperation of nut In the gap of the ∩ shapes of front fork stem described in two, described trailing wheel 72 is 10 inches of wheels, and the two ends of 72 wheel shaft of the trailing wheel lead to respectively The cooperation of nut is crossed, is fixedly connected in the U-shaped gap of 53 liang of dropout of rear fork.

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 man power driving mechanism 8 includes axis, two cranks, chain wheel, two pedals, flywheel and chain, described axis It is connected in described Five-way tube by axis accessory, the crank described in two is installed on the two ends of the axis, described chain wheel It is 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 the trailing wheel 72, and described chain is wire-wrapped on described chain wheel and described flywheel.

Described electric drive system 9 includes：Wheel hub motor, battery, controller and controlling switch, described motor are nothings Brush wheel hub motor, the wheel hub one configuration of described motor with the front-wheel 71 are combined, and described battery is the lithium battery of series connection Group, described controller are brushless motor controllers, and described battery and described controller are all positioned over Liang Guanzhong, described Controlling switch includes that speed control crank, power-off brake lever and power supply lock, described power supply lock are installed on level metal rectangular pipe Side, speed control crank are installed on described right handgrip 12, and power-off brake lever is installed on described left hand on the 11 and described right side Handle on 12, power supply lock, speed control crank and power-off brake lever are connected with described controller by connecting line and connector, Described controller is connected with described battery and described front-wheel 71 by connecting line and connector.

Claims (10)

1. a kind of rotating shaft of stretching handle Five-way tube can drag type portable electric bicycle, including flexible handle, front fork, side arm, central sill, Middle even component, wheel, rear fork, vehicle seat, front-wheel, trailing wheel, man power driving mechanism and electric drive system is towed, be it is characterized in that：Stretch Contracting handle includes left hand handle, right handgrip, upper latch fitting, lower latch fitting and handle, left hand with right handgrip be made by the upper end of pipe straight Angular distortion is formed, left hand with right handgrip right-angle bending at below outside be provided with screwed hole, upper latch fitting is by upper clamping piece, banking stop Constitute with clamping screw, respectively there is the circular hole of a upward and downward at the left and right two ends of upper clamping piece, on the circular hole of two upward and downwards of upper clamping piece also Cracking for upward and downward is connected with, the left and right that upper clamping piece upward and downward cracks rearward is respectively provided with the screwed hole of a upward and downward, and upper clamping piece is upper and lower Bottom to the screwed hole of two upward and downward of left and right for cracking rearward passes through two bolt twist-ons, one banking stop, allows banking stop to be connected to The bottom side of folder, the centre of upper clamping piece have one to crack vertical longitudinal hole with upper clamping piece upward and downward, the rear end of upper clamping piece longitudinal hole Connect the stop nut of a clamping screw, left hand, and will in the circular hole that upper clamping piece or so two ends upward and downward is penetrated with right handgrip Left hand with right handgrip right-angle bending at below screwed hole corresponding to upper clamping piece bottom side, be screwed into left hand respectively with two bolts 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, also, Be fastened to left hand with right handgrip on two bolts, coordinate with the banking stop of the bottom side for being connected to upper clamping piece, can be used as left hand handle Spacing when launching with right handgrip, clamping screw is penetrated in the longitudinal hole of upper clamping piece, and is screwed in stop nut, tightens locking Bolt can tighten up cracking for upper clamping piece upward and downward；Lower latch fitting is made up of lower clamping piece and clamping screw, the anterior left and right two of lower clamping piece Respectively there is the circular hole of a upward and downward at end, is connected with cracking for upward and downward, in lower clamping piece on the circular hole of two anterior upward and downwards of lower clamping piece The right and left in portion respectively has the circular hole of a upward and downward, and there is the circular hole of a upward and downward rear end on the right of lower clamping piece, 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 the right and left upward and downward is connected with the upper end of front fork, and front fork is made up of two front fork stems, front Fork is that the gap for being flattened and be provided with by the bottom of pipe ∩ shapes is formed, and left hand handle and right handgrip are penetrated on lower clamping piece or so two ends Lower to circular hole in, 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 received Cracking for tight lower clamping piece 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 by Rotary part and front even part are constituted, and rotary part is installed on the upward and downward circular hole of rear end on the right of lower clamping piece, the front end of front even part It 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 grooved mutual to being punched through to locking bolt connection rotary part；Central sill include beam pipe, front interior chock, rear in chock, Front slotware and rear slotware, the front end of the beam pipe left and right sides have two mutual to perforation, before filling in the pore of beam pipe front end in plug Block, in the pore of beam pipe front end before in chock by slotware before two bolt connections, front slotware is the grooved being open forward Part, the lower end of the front slotware left and right sides has mutual to perforation, and the upper side of beam pipe rear end is provided with a gap, a left side for beam pipe rear end Right both sides, are provided with four mutual cross-perforatings, the mutual cross-perforating in four, beam pipe rear portion into symmetrical before and after up and down, after Slotware is the grooved part being open forward, the anterior angle of the left and right sides on rear slotware top have mutual to perforation, rear slotware bottom The left and right sides have four mutual to perforation, the left and right sides of rear slotware bottom is several mutual to perforation and beam pipe rear end or so The cross-perforating of both sides four is corresponding, and interior chock is the part that respectively there is a circular hole corner afterwards, and interior chock is filled under rear slotware afterwards Portion, the bottom of rear slotware are filled in from the gap of the upper side of beam pipe rear end again, and the circular hole and beam by rear interior chock corner The mutual cross-perforating in pipe rear end four is corresponding, the front slotware left and right sides mutual to being punched through to locking bolt and front even part Cross-perforating below rear end rotates connection；Middle even component is made up of main even part and shock resistance block, and main even part is the part of an aluminum, There are transverse holes the back upper place of main even part, be connected with below main even part back upper place transverse holes one horizontal crack, main even part upper end Crack below hole vertical be furnished with a pair of bolts nut, the middle part for having four cross-perforatings, main even part in the middle part of main even part is also provided with The screwed hole of longitudinal direction, the rear that there is a Five-way tube corresponding aperture, main even part Five-way tube corresponding aperture the back lower place of main even part are connected with a horizontal stroke To crack, main even part Five-way tube corresponding aperture rear crack vertical be furnished with a pair of bolts nut, will be main to locking bolt with four Even four cross-perforatings of part, are fixed together with the rear end of beam pipe and rear slotware and rear interior chock, and shock resistance block is by bolt and master The even screwed hole connection of the longitudinal direction in the middle part of part；Wheel is towed by central siphon is towed and two tugboats are constituted, central siphon is towed and is penetrated in main even part In the transverse holes of back upper place, and tighten and the vertical bolt and nut that cracks below main even part back upper place transverse holes, central siphon will be towed Be fixed in the even transverse holes of main part back upper place, the outside that two tugboats are connected to bolt the two ends for towing central siphon is locked with a pair； Fork connects part, two dropout and shock-absorbing catch by Five-way tube, two Five-way tubes and constitutes afterwards, and Five-way tube is processed by metal tube, Five-way tube is penetrated in the main even Five-way tube corresponding aperture of part, and the left and right two ends of Five-way tube are in main even part Five-way tube corresponding aperture Win, it is the anterior part for cast, rear portion in piece shape that Five-way tube connects part, and Five-way tube connects there are two vertical bars above part cast Shape, Five-way tube connect the collar aperture for connecting part cast with Five-way tube of cracking between two vertical rod of part and connect, and Five-way tube connects two vertical bar of part Have mutual longitudinal hole in shape, Five-way tube to connect and penetrate bolt in the longitudinal hole of part and be furnished with nut, Five-way tube connect the rear end of part with The front end connection of dropout, two Five-way tubes connect the cast of part and fix amplexis with the left end of Five-way tube and right part respectively, and will keep away The both sides of shake catch are connected to two Five-way tubes and connect in cracking between two vertical rod of part, and Five-way tube can be with the Five-way tube of main even part Corresponding aperture rotatable engagement, and rear fork is folded to inferoanterior, after expansion, connect between two vertical rod of part positioned at two Five-way tubes Shock-absorbing catch in cracking can be leant with shock resistance block；Vehicle seat includes seat pipe, lock-connecting piece, connecting rod, saddle and folds location hook, seat Pipe by rectangle seat pipe, upper plug member, lower plug member and circle saddle pipe constitute, rectangle seat pipe be by a rectangular tube upper end to the left lateral bend and A cross-perforating is respectively provided with up and down into, rectangle seat pipe lower end, the trailing flank of rectangle seat pipe lower end is provided with an elongated hole, rectangle seat pipe In the pore of 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 makes lower plug member upper and lower Cross-perforating corresponding to the upper and lower cross-perforating in rectangle seat pipe lower end, under making lower plug member fluting backward corresponding to rectangle seat pipe The elongated hole of the rear side at end, circle saddle pipe are fixedly connected with upper plug member by two bolts, and the lower cross-perforating of seat pipe lower end passes through to lock Bolt is connected with mutual the rotating to perforation in upper angle before the rear slotware left and right sides, in the elongated hole of rectangle seat pipe lower end trailing flank with Be slidably connected in plug member fluting backward lock-connecting piece, lock-connecting piece can with the upper edge interlocking of rear slotware trailing flank, seat pipe lower end Upper cross-perforating rotates the rear end of connection connecting rod, and connecting rod is the portion for being pressed into right-angle bending by the rear and front end of a metal round steel Part, is respectively provided with a screwed hole at the two-end-point of right-angle bending before and after connecting rod, horizontal above the front end of connecting rod and front even part rear end Perforation rotates connection, and saddle is connected on round saddle pipe, folds the right flank that location hook is connected to beam pipe front end；Before front-wheel is installed on Axle, trailing wheel are installed on the rear end of two dropout；Man power driving 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；Electric drive system includes motor, battery, control Device processed and controlling switch, motor are arranged at front-wheel, and battery and controller are all placed in the beam pipe of central sill.

2. stretching handle Five-way tube according to claim 1 rotating shaft can drag type portable electric bicycle, it is characterized in that：Described Left hand is the bottom side for corresponding respectively to the upper latch fitting upper clamping piece with the screwed hole of the right handgrip, the left hand handle and the right side Handle after lower end side screwed hole is screwed into bolt, can as described left hand with described right handgrip and the lower latch fitting under press from both sides It is spacing that part is slided up and down, and is connected to the banking stop of the upper clamping piece bottom side, and is connected to the left hand handle and the right side Two bolts for handling coordinate, can be as described left hand spacing when launching with described right handgrip.

3. stretching handle Five-way tube according to claim 1 rotating shaft can drag type portable electric bicycle, it is characterized in that：Described Inlay the stop nut of clamping screw described in the counterbore of upper clamping piece, described clamping screw by bolt and screw handle connection and Into described clamping screw also includes stop nut, has an opening backward U-shaped in the middle part of the lower clamping piece between the right and left Opening, the width of the lower clamping piece U-shaped opening are corresponding with the width of the tire of trailing wheel, the right and left in the middle part of the lower clamping piece Upward and downward circular hole is corresponding with the pipe close-fitting of two front fork stem of the front fork, the upper end of front fork stem described in two respectively with the lower clamping piece The upward and downward circular hole close-fitting socket of middle part the right and left, two lower ends of the handle are respectively connected with the circle of a upward and downward, the handle Top be a handle handle.

4. stretching handle Five-way tube according to claim 1 rotating shaft can drag type portable electric bicycle, it is characterized in that：Described Rotary part include front axle tube, two zanjon bearings, a plane bearing and have a shock-absorbing polyurethane cylinder, front axle tube pore upper Lower end is respectively milled with the counterbore for placing zanjon bearing, the upward and downward of rear end on the right of the front axle tube close-fitting press-in from bottom to top lower clamping piece In circular hole, two zanjon bearings are embedded in the counterbore of front axle tube upper and lower side respectively, and plane bearing is lining in the depth of the front axle tube upper end On ditch bearing, then shock-absorbing polyurethane cylinder is put on plane bearing, unclamps the two couples lock bolt for being located at the beam pipe front end, In before will be described, chock be extracted forward, just can be put into lithium battery group and controller in the pore of the beam pipe front end.

5. stretching handle Five-way tube according to claim 1 rotating shaft can drag type portable electric bicycle, it is characterized in that：Described Main even part be cut into slices by an Al squeezing material after the part that is reprocessed into, main even part described in twist-on vertically mutual to perforation in Five-way tube corresponding aperture can be adjusted to the appropriate level elastic with described Five-way tube rotatable engagement, the main company by bolt and nut Laterally cracks the horizontal grooved that Open Side Down that have above rear end at part Five-way tube corresponding aperture rear, the main even horizontal grooved of part The vertical twist-on of right-hand member has a bolt.

6. stretching handle Five-way tube according to claim 1 rotating shaft can drag type portable electric bicycle, it is characterized in that：Described Positioning lock is installed in the main even transverse groove of part, positioning lock is made up of dead bolt, round bar, spring and toggle, and dead bolt is by metal square cotter system Into the metal square cotter of dead bolt is corresponding with the horizontal grooved of the main even part, and the left end of dead bolt is in the dead bolt shape of door lock, dead bolt Right-hand member connects round bar, and the trailing flank of dead bolt connects toggle, and toggle is that the trailing flank for being fastened to dead bolt by a button-headed bolt is formed, Noose spring on round bar, dead bolt, round bar are inconjunction with spring and are positioned in the main even horizontal grooved of part, support the right-hand member of spring The vertical bolt of the horizontal grooved right-hand member of main even part is stated in residence, makes the screw slide of button-headed bolt of toggle in the main even part five During what siphunculus corresponding aperture rear was horizontal cracks, and the left end interlocking of dead bolt is made to connect the square hole of part in the rear fork left side Five-way tube In.

7. stretching handle Five-way tube according to claim 1 rotating shaft can drag type portable electric bicycle, it is characterized in that：Described Five-way tube to connect part be that the Five-way tube connects the leading section of part piece shape a horizontal rectangle by the slice processing part of Al squeezing material Hole, the Five-way tube connects the rearward end of part piece shape several screwed holes, and described shock-absorbing catch is formed by a metal stamping, institute The both sides Ge Youyi holes of shock-absorbing catch are stated, the both sides of the shock-absorbing catch are positioned over the Five-way tube and connect opening between two rod of part Seam, the shock-absorbing catch two lateral opening correspond to Five-way tube described in two connect between two rod of part longitudinal direction mutual to perforation, pass through The twist-on of two bolt and nuts, while the left and right two ends that Five-way tube described in two connects part cast and the Five-way tube are tightened up, by institute Five-way tube described in the shock-absorbing catch that states and two connects the fixation of cracking between two rod of part.

8. stretching handle Five-way tube according to claim 1 rotating shaft can drag type portable electric bicycle, the dropout There are several holes leading section, and several screwed holes that several holes of the dropout leading section connect part rearward end with the Five-way tube are relative Should, there is opening U-shaped gap backward the rear end that there is a wavy bending, the dropout at the rear in the several holes of the dropout, Described in two, dropout is symmetrical, and the rearward end that dropout described in two connects part by several bolts and Five-way tube described in two respectively connects Connect.

9. stretching handle Five-way tube according to claim 1 rotating shaft can drag type portable electric bicycle, it is characterized in that：Described The rear end of connecting rod is penetrated in the upper cross-perforating of the seat pipe lower end from left to right, the front end of the connecting rod penetrate from left to right in In cross-perforating above front even part rear end, described folding location hook is to rivet a hook-type by the top of a sheet of spring steel Nylon part, the bottom of the folding location hook have holes, and the folding location hook is right with the beam pipe front end by two bolts Two horizontal screwed holes of side are fixedly connected.

10. stretching handle Five-way tube according to claim 1 rotating shaft can drag type portable electric bicycle, it is characterized in that：Institute The wheel hub one configuration of the motor that states and the front-wheel is combined, and described battery is the lithium battery group of series connection, described battery and Described controller is all positioned over Liang Guanzhong, and described controlling switch includes speed control crank, power-off brake lever and power supply lock, institute The power supply lock that states is installed on the side of level metal rectangular pipe, and speed control crank is installed on described right handgrip, and power-off brake lever is pacified Loaded on described left hand on upper and described right handgrip.