CN206012820U - Stretching handle Portable electric bicycle - Google Patents

Abstract

A kind of stretching handle Portable electric bicycle, including the handle that stretches, front fork stem, side arm, central sill, fork afterwards, vehicle seat, front-wheel, trailing wheel and electric drive system, 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, front slotware, slotware afterwards, interior chock afterwards, vehicle body folder, two step parts and two tow wheel and are formed by connecting, fork is bent into door frame shaped by bullion piece and forms afterwards, 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, electric drive system includes motor, battery, controller and controlling switch, motor is arranged at trailing wheel, battery and controller are all placed in the beam pipe of central sill.

Description

Stretching handle Portable electric bicycle

Technical field：

This utility model is related to a kind of type folding electric vehicle, more particularly to a kind of stretching handle Portable electric bicycle.

Technical background：

Have several money electric motor bicycle with folding in the market, although have an electric motor bicycle with folding 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 related Trailing wheel collapsed forward, vehicle seat fold the mode with side arm folding linkage, the stretching handle that can be put into after having folded in knapsack Portable electric bicycle.The purpose of this utility model is realized in；Stretching handle Portable electric bicycle, including flexible handle, front Fork arm, side arm, central sill, rear fork, vehicle seat, front-wheel, trailing wheel and electric drive system, is characterized in that：Flexible handle includes left hand , right handgrip, upper latch fitting, lower latch fitting and handle, left hand being to be formed as right-angle bending by the upper end of pipe with right handgrip, left hand With right handgrip right-angle bending at below outside be provided with screwed hole, upper latch fitting is made up of upper clamping piece, banking stop and clamping screw, Upper clamping piece is the blank of an aluminium extruded type, and respectively there are the circular hole of a upward and downward, two upward and downwards of upper clamping piece in the left and right two ends of upper clamping piece Circular hole on be also connected with cracking for upward and downward, 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, The bottom of the screwed hole of two upward and downward of left and right that upper clamping piece upward and downward cracks rearward is allowed spacing by two bolt twist-ons, one banking stop Piece is connected to the bottom side of upper clamping piece, and the centre of upper clamping piece has one to crack vertical longitudinal hole with upper clamping piece upward and downward, and upper clamping piece is indulged Connect the stop nut of a clamping screw to the rear end in hole, left hand is the circle that upper clamping piece or so two ends upward and downward is penetrated with right handgrip Kong Zhong, and by left hand with right handgrip right-angle bending at below screwed hole corresponding to upper clamping piece bottom side, with two bolts point Be not screwed into left hand with right handgrip right-angle bending at below screwed hole in, by left hand making to rotate with right handgrip and upper clamping piece Spacing, 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, energy As left hand spacing when launching with right handgrip, 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, upper clamping piece is locked left hand handle and right handgrip so that left hand handle Fix with right handgrip and can not rotate；Lower latch fitting is made up of lower clamping piece and clamping screw, and lower clamping piece is the blank of an aluminium extruded type, Respectively there is the circular hole of a upward and downward at the anterior left and right two ends of lower clamping piece, are connected with upward and downward on the circular hole of two anterior upward and downwards of lower clamping piece Crack, the right-hand member in the middle part 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 folder The anterior centre of part has one to crack vertical longitudinal hole with lower clamping piece front portion upward and downward, one lock of rear end connection of lower clamping piece longitudinal hole The stop nut of tight bolt, the circular hole of right-hand member upward and downward in the middle part of lower clamping piece are connected with the upper end of front fork stem, front fork stem by pipe, Cylinder and front axle are constituted, and fill in cylinder in the bottom pore of pipe, the bottom of pipe to and have a cross-perforating together with cylinder, front Axle is penetrated in the bottom of pipe and the cross-perforating of cylinder, and wins to the left, and left hand handle and right handgrip penetrate lower clamping piece or so two In the circular hole of end upward and downward, clamping screw is penetrated in the longitudinal hole of lower clamping piece, and is screwed in stop nut, tightens clamping screw Cracking for lower clamping piece upward and downward can be tightened up, lower clamping piece is locked left hand handle and right handgrip so that left hand handle and right handgrip fix and Can not slide up and down, handle is connected to left hand the top with right handgrip, and the top positioned at upper clamping piece；Side arm is by rotary part Constitute with front even part, rotary part is installed on the upward and downward circular hole of lower clamping piece rear end to the right, front even part is the section of aluminium extruded type Workpiece, 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, front even part rear end upper and lower Respectively there is a cross-perforating side, front even part grooved mutual to being punched through to locking bolt connection rotary part；Central sill include beam pipe, Front interior chock, front slotware, rear slotware, rear interior chock, vehicle body folder, two step parts and two tow wheel, and beam pipe is by metal rectangular Pipe is made, 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, positioned at beam pipe By slotware before two bolt connections, front slotware is the grooved part being open forward to front interior chock in the pore of front end, and front slotware is left The lower end of right both sides has mutual to perforation, and the upper side of beam pipe rear end is provided with a gap, and the left and right sides of beam pipe rear end is several Cross-perforating, rear 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, after The left and right sides of slotware bottom has several mutual to perforation, and the left and right sides of rear slotware bottom is several mutual to perforation and beam The several cross-perforatings in the pipe rear end left and right sides are corresponding, and rear slotware lower rearward side is respectively provided with a hole up and down, has afterwards on interior chock The mutual cross-perforatings corresponding to perforation several with the rear slotware bottom left and right sides, interior chock also has two longitudinal directions up and down afterwards Screwed hole, afterwards interior chock fill in the bottom of rear slotware, the bottom of rear slotware is filled in from the gap of the upper side of beam pipe rear end again Enter, and with several rivets by the rear end of beam pipe, the bottom of rear slotware and rear in chock be riveted together, vehicle body folder is by folding Frontal lobe, folding posterior lobe and folding lock are constituted, and are folded frontal lobe and are fixedly connected with rear interior chock by two bolts, front slotware or so two Side mutual to being punched through being connected to locking bolt and rotate with the cross-perforating below front even part rear end, two step parts connect respectively In the upper bit of the rear slotware left and right sides, two tow the outer end that wheel is connected to two step parts；Fork is by bullion afterwards The left and right both ends of piece are bent into door frame shaped backward, two rear end rear ends of rear fork have one mutual to perforation, before rear fork End face is fixedly connected with posterior lobe is folded, and is folded posterior lobe and is passed through to rotate and be connected to locking bolt and folding frontal lobe, folds lock and be connected to Fold on posterior lobe, folding lock can be with folding frontal lobe interlocking, and during folding, folding posterior lobe is inconjunction with rear fork, and front folds to the left； 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 is 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 to be respectively provided with one up and down horizontal To perforation, the trailing flank of rectangle seat pipe lower end is provided with an elongated hole, and in the pore of rectangle seat pipe upper end, close-fitting fills in plug member, rectangle In the pore of seat pipe lower end, close-fitting fills in lower plug member, and the cross-perforating for making lower plug member upper and lower is upper and lower corresponding to rectangle seat pipe lower end Cross-perforating, make lower plug member fluting backward corresponding to the elongated hole of the rear side of rectangle seat pipe lower end, circle saddle pipe passes through two bolts It is fixedly connected with upper plug member, the lower cross-perforating of seat pipe lower end passes through mutual to locking upper angle before bolt and the rear slotware left and right sides Connection is rotated to perforation, is slidably connected lock-connecting piece in the elongated hole of rectangle seat pipe lower end trailing flank and in lower plug member fluting backward, 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, even Bar is the part for being pressed into right-angle bending by the rear and front end of a metal round steel, is respectively opened before and after connecting rod at the two-end-point of right-angle bending There are a screwed hole, the front end of connecting rod to rotate with the cross-perforating above front even part rear end and be connected, saddle is connected on round saddle pipe, folding Folded location hook is connected to the right flank of beam pipe front end；Front-wheel is installed on front axle, and trailing wheel is installed on the rear end of rear fork, opens interlocking Part, and by vehicle seat collapsed forward, in the presence of connecting rod, vehicle seat be inconjunction with side arm, flexible handle, front fork stem and front-wheel together to The lower section of central sill folds, and reaches perfect folding effect, and in the presence of location hook seat pipe is folded, by vehicle seat, side arm, stretches Handle, front fork stem and central sill are fixed on folded state together；Electric drive system includes that motor, battery, controller and control are opened Close, motor is arranged at trailing 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 electric motor car 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 does this utility model after folding Arrive more compact；Front tumbler of the present utility model is matched somebody with somebody using side arm and the rotary part for being connected to lower clamping piece rear end to the right Close, in rotary part, include plane bearing and shock-absorbing polyurethane cylinder, make front tumbler both simple and effective and also have and keep away Shake function；Central sill is located at position to the right so that the trailing wheel after folding can be located between saddle and the angle of left hand handle, and in By the way of beam connects front slotware and rear slotware using beam pipe, and, two step parts are connected to using beam pipe again and band is used as battery case The slotware left and right sides afterwards, two tow the outer end that wheel is connected to two step parts so that the position of the part with difference in functionality is arranged With most compact way arrangement, reach；Vehicle body folder is using being connected to central sill and rear fork is to the left Position so that afterwards the related trailing wheel of fork to left front folding after, trailing wheel can be parallel with front-wheel；The lower of seat pipe lower end is laterally worn Kong Yuhou slotwares rotate connection, and the upper cross-perforating of seat pipe lower end is connected with the rear end thereof of connecting rod so that linkage structure also does Arrive 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 the structural representation of this utility model front-axle beam and both sides piece；

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 fork stems, 3 side arms, 4 central sills, fork after 5,6 Vehicle seat, 71 front-wheels, 72 trailing wheels, 8 electric drive systems；The handle 1 that wherein stretches also includes：11 left hands , 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 Portable electric bicycle, including flexible handle 1, front fork stem 2, side arm 3, central sill 4, after Fork 5, vehicle seat 6, front-wheel 71, trailing wheel 72 and electric drive 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 right-hand member in the middle part of the 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 one upward and downward, in the middle part of the lower clamping piece, the upward and downward circular hole of right-hand member and the pipe close-fitting of the front fork stem 2 are corresponding, described Front fork stem 2 be made up of pipe, cylinder and front axle, fill in cylinder in the bottom pore of pipe, the bottom of pipe to and together with circle Post has a cross-perforating, and front axle penetrates in the bottom of pipe and the cross-perforating of cylinder and wins to the left, in the middle part of the lower clamping piece The upward and downward circular hole of right-hand member and the upper end close-fitting socket of 2 pipe of the front fork stem, have in the middle of the lower clamping piece on one and lower clamping piece Lower to the vertical longitudinal hole that cracks, the rear end of the lower clamping piece longitudinal hole is connected with the stop nut of clamping screw described in, described Left hand 11 and described right handgrip 12 are penetrated in the circular hole of described lower clamping piece or so two ends upward and downward, described clamping screw Penetrate in the longitudinal hole of the lower clamping piece, and be screwed in stop nut, tightening the clamping screw, to tighten up lower clamping piece upper and lower To crack, by left hand described for described lower clamping piece locking 11 and described right handgrip 12 so that described left hand is 11 Fix with 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 is made up of rotary part and front even part, and described rotary part includes front axle tube, two zanjon axles Hold, a plane bearing and have a shock-absorbing polyurethane cylinder, the upper and lower side of front axle tube pore is respectively milled with the counterbore 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, middle part to have a reinforcement, described before connect part reinforcement Respectively there is a circular hole corner, and connects in the circular hole of part reinforcement corner tapping before described into screwed hole, described before connect part grooved Up and down both sides be provided with mutual to perforation, described before connect the both sides up and down of part grooved and strike out fillet, described before connect part and also wrap Include both sides piece, side piece is the corner Ge Youyi holes of side piece rectangle by the rectangular patch of plastic injection, side piece rectangle corner Hole with described before connect part reinforcement corner screwed hole corresponding, and by bolt by both sides piece be connected to described before connect the left side of part Right both sides.

Described central sill 4 includes beam pipe, front interior chock, front slotware, rear slotware, rear interior chock, vehicle body folder, two steps Part and two tows wheel, and described beam pipe is made up of level metal rectangular pipe, respectively has one mutual before and after the beam pipe left and right sides front end To perforation, before filling in the pore of the beam pipe front end in chock, described front interior chock is by respectively there is a circular hole up and down The part of the cutting off processing of rectangular aluminium section bar, tapped in two circular holes up and down of the front interior chock, described front interior Transverse holes are respectively provided with before and after chock, and two before and after the beam pipe left and right sides front end are mutual to lock to being punched through two pairs Bolt is fixedly connected with the front interior chock, and is inconjunction with connection positioned at the vehicle seat 6 of the beam pipe front end right flank Fold location hook 65, unclamp the two couples lock bolt for being located at the beam pipe front end, will be described before in chock extract forward, just can be Lithium battery group and controller is put in the pore of the beam pipe front end, and described front slotware is to strike out opening forward by sheet metal Grooved part, the lower end of the front slotware left and right sides has mutual to perforation, and after the front slotware, bottom surface respectively has one up and down Hole, after the front slotware, the upper lower opening of bottom surface is solid with the front interior chock twist-on being located in the beam pipe front end pore by two bolts Fixed, the upper side of the beam pipe rear 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 several Cross-perforating, 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 the left and right sides of the rear slotware bottom has several mutual to perforation, the rear slotware The left and right sides of bottom is several mutual to, the rear slotware corresponding with the several cross-perforatings in the beam pipe rear end left and right sides of boring a hole Lower rearward side is respectively provided with a hole up and down, and described rear interior chock is by the cut-out of the rectangular aluminium section bar for respectively having a circular hole up and down Workpiece, described after in chock two circular holes up and down in tapped, be provided with described rear interior chock with the rear slotware The several mutual cross-perforatings corresponding to perforation in the portion left and right sides, described rear interior chock are filled under the rear slotware Portion, the bottom of the rear slotware are filled in from the gap of the upper side of beam pipe rear end again, with several rivets by the beam pipe after End, the bottom of the rear slotware and described rear interior chock are riveted together, and make described after in upper and lower two screwed hole of chock with The holes up and down of the rear slotware lower rearward side is corresponding, and described vehicle body folder is by folding frontal lobe, fold posterior lobe and folding Lock is constituted, described fold frontal lobe position to the right respectively have a hole, the upper lower opening of the folding frontal lobe and rear interior chock up and down Screwed hole is corresponding up and down, is respectively penetrated in the upper lower opening for folding frontal lobe with two bolts, and is fastened to positioned at metal rectangular Fixed in the screwed hole up and down of the interior chock in the pore of pipe rear end, the front slotware left and right sides mutual to being punched through to lock Bolt with described before connect cross-perforating below part rear end and rotate and be connected.

Described step part is formed by connecting by step seat and pedal stroke, and two step seats are respectively by rivet after described Slotware top left and right sides, two pedal strokes energy collapsed forward between two step seats, have axle on the outer face of two pedal strokes To screwed hole, described tow wheel and taken turns by PU and tow bolt constitute, PU wheels are the PU wheels of plastic wheel hub, PU wheels two sides A deep groove ball bearing is respectively inlayed in centre, is also lined with a lining ring, tows the bolt that bolt is M8 between two deep groove ball bearings of PU wheels, In two axial threaded hole for towing the outer end that bolt respectively penetrates two pedal strokes.

Described rear fork 5 is to be bent into door frame shaped backward by the left and right both ends of bullion piece, the rear fork 5 Two rear ends rear end have one mutual to perforation, and the front end face of the rear fork 5 has several riveted holes, has number on the folding posterior lobe Individual hole, several holes of the front end face of the rear fork 5 are fixed with the several hole twist-ons for folding posterior lobe by bolt and nut, the folding There is a vertical collar aperture on the left side of poststack leaf, and vertically having for the folding frontal lobe left side is mutual to perforation, folds posterior lobe vertical Collar aperture by lock bolt with fold frontal lobe vertically mutual perforation is rotated be connected, described folding is latched and is rotationally connected with institute The right for folding posterior lobe is stated, described folding lock can be connected to the folding posterior lobe with the right interlocking for folding frontal lobe Described rear fork 5 can fold to central sill left front.

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 61 lower end of the seat pipe from left to right, blending bolt It is fastened in the screwed hole of 63 rear end of the connecting rod and positions, described connecting rod 63 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 the connecting rod 63, before the connecting rod 63 End is penetrated in the cross-perforating above front even part rear end from left to right, and blending bolt is fastened to the screw thread of 63 front end of the connecting rod Position in hole, described saddle 64 is connected on described round saddle pipe, and described folding location hook 65 is by a sheet of spring The top of steel rivets a hook-type nylon part, and there is holes the bottom of the folding location hook 65, and the folding location hook 65 passes through Two bolts are fixedly connected with two horizontal screwed holes of the beam pipe front end right flank.

Described front-wheel 71 is 10 inches of wheel, and described front-wheel 71 is installed on described front axle, described trailing wheel 72 It is 12 inches of motor wheels, described trailing wheel 72 is installed on two rear ends of the rear fork 5, pushes dead bolt upwards aside, and will be described 6 collapsed forward of vehicle seat, in the presence of the connecting rod 63, described vehicle seat 6 is inconjunction with described side arm 3, described stretching and turns 1, described front fork stem 2 and described front-wheel 71 are folded to the lower section of the central sill 4 together, and is located at described trailing wheel 72 Be located at the saddle left side and the angle of left hand handle between so that this utility model after folding accomplished ultimate attainmently compact, Perfect folding effect is reached, and in the presence of seat pipe 6 described in folding 65 clasp joint of location hook, by described side arm 3, institute Flexible handle 1, described front fork stem 2 and the described central sill 4 that states is fixed on folded state together.

Described electric drive system 8 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 trailing wheel 72 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 trailing wheel 72 by connecting line and connector.

Claims (10)

1. a kind of stretching handle Portable electric bicycle, including flexible handle, front fork stem, side arm, central sill, rear fork, vehicle seat, front-wheel, Trailing wheel and electric drive system, is characterized in that：Flexible handle includes left hand handle, right handgrip, upper latch fitting, lower latch fitting and handle, left Handling with right handgrip is formed as right-angle bending by the upper end of pipe, left hand with right handgrip right-angle bending at below outside open There is screwed hole, upper latch fitting is made up of upper clamping piece, banking stop and clamping screw, respectively there is the circle of a upward and downward at the left and right two ends of upper clamping piece Hole, is also connected with cracking for upward and downward, the left and right Ge Kai that upper clamping piece upward and downward cracks rearward on the circular hole of two upward and downwards of upper clamping piece The bottom for having the screwed hole of a upward and downward, the screwed hole of two upward and downward of left and right that upper clamping piece upward and downward cracks rearward passes through two bolts One banking stop of twist-on, 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 Straight 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 folder In the circular hole of part or so two ends upward and downward, and by left hand with right handgrip right-angle bending at below screwed hole correspond to upper clamping piece Bottom side, with two bolts be screwed into respectively left hand with right handgrip right-angle bending at below screwed hole in, by left hand handle and the right side Handle spacing with what upper clamping piece was made to rotate, also, be fastened to left hand with right handgrip on two bolts, and be connected to upper clamping piece The banking stop of bottom side coordinates, can be as left hand spacing when launching with right handgrip, and clamping screw penetrates the longitudinal hole of upper clamping piece In, and be screwed in stop nut, tighten clamping screw and can tighten up cracking for upper clamping piece upward and downward；Lower latch fitting is by lower clamping piece and lock Tight bolt is constituted, and respectively there are the circular hole of a upward and downward, the circular hole of two anterior upward and downwards of lower clamping piece in the anterior left and right two ends of lower clamping piece On be connected with cracking for upward and downward, the right-hand member in the middle part of lower clamping piece has the circular hole of a upward and downward, lower clamping piece rear end to the right to have about one To circular hole, the anterior centre of lower clamping piece has one to crack vertical longitudinal hole with the anterior upward and downward of lower clamping piece, lower clamping piece longitudinal hole Rear end connect the stop nut of a clamping screw, the upper end of the circular hole of the right-hand member upward and downward in the middle part of lower clamping piece and front fork stem connects Connect, front fork stem is made up of pipe, cylinder and front axle, in the bottom pore of pipe, fill in cylinder, the bottom of pipe to and together with circle Post has a cross-perforating, and front axle is penetrated in the bottom of pipe and the cross-perforating of cylinder, and wins to the left, left hand handle and right handgrip Penetrate in the circular hole of lower clamping piece or so two ends upward and downward, clamping screw is penetrated in the longitudinal hole of lower clamping piece, and be screwed into locking spiral shell In mother, tighten clamping screw and can tighten up cracking for lower clamping piece upward and downward, handle is connected to left hand the top with right handgrip, and position Top in upper clamping piece；Side arm is made up of rotary part and front even part, and rotary part is installed on the upper and lower of lower clamping piece rear end to the right To on circular hole, 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, front even part rear end upper Respectively there is a cross-perforating lower section, front even part grooved mutual to being punched through to locking bolt connection rotary part；Central sill includes beam Pipe, front interior chock, front slotware, rear slotware, rear interior chock, vehicle body folder, two step parts and two tow wheel, and beam pipe is by metal square Shape pipe is made, and having for beam pipe left and right sides front end is two mutual to perforation, before filling in the pore of beam pipe front end in chock, be located at By slotware before two bolt connections, front slotware is the grooved part being open forward to front interior chock in the pore of beam pipe front end, front groove The lower end of the part left and right sides has mutual to perforation, and the upper side of beam pipe rear end is provided with a gap, the left and right sides of beam pipe rear end Several cross-perforatings, rear slotware is the grooved part being open forward, and the anterior angle of the left and right sides on rear slotware top has mutual to wearing Hole, the left and right sides of rear slotware bottom has several mutual to perforation, and the left and right sides of rear slotware bottom is several mutual to wearing The several cross-perforatings in the Kong Yuliang pipes rear end left and right sides are corresponding, and rear slotware lower rearward side is respectively provided with a hole up and down, afterwards interior plug There are the mutual cross-perforatings corresponding to perforation several with the rear slotware bottom left and right sides on block, interior chock also has up and down afterwards The screwed hole of two longitudinal directions, afterwards interior chock fill in the bottom of rear slotware, the bottom of rear slotware slitting from the upper side of beam pipe rear end again Fill in mouthful, and the rear end of beam pipe, the bottom of rear slotware and rear interior chock are riveted together with several rivets, vehicle body folder Constituted by folding frontal lobe, folding posterior lobe and folding lock, fold frontal lobe and be fixedly connected with rear interior chock by two bolts, front slotware The left and right sides mutual to being punched through be connected to locking bolt and rotate with the cross-perforating below front even part rear end, two step parts divide The upper bit of the rear slotware left and right sides is not connected to, and two tow the outer end that wheel is connected to two step parts；Fork is by bar afterwards The left and right both ends of shape sheet metal are bent into door frame shaped backward, and two rear end rear ends of rear fork have one mutual to perforation, back vent The front end face of part is fixedly connected with posterior lobe is folded, and is folded posterior lobe and is passed through to rotate and be connected to locking bolt and folding frontal lobe, folds lock It is connected on folding posterior lobe, folding lock can be with folding frontal lobe interlocking；Vehicle seat includes seat pipe, lock-connecting piece, connecting rod, saddle and folding Location hook, seat pipe by rectangle seat pipe, upper plug member, lower plug member and circle saddle pipe constitute, rectangle seat pipe be from a rectangular tube upper end to Left lateral bending is formed, 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 a length 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 makes The upper and lower cross-perforating of lower plug member corresponding to the upper and lower cross-perforating in rectangle seat pipe lower end, make lower plug member fluting backward corresponding to The elongated hole of the rear side of rectangle seat pipe lower end, circle saddle pipe are fixedly connected with upper plug member by two bolts, and the lower of seat pipe lower end is laterally worn Hole is connected to perforation rotation by mutual with upper angle before the rear slotware left and right sides to lock bolt, rectangle seat pipe lower end trailing flank Be slidably connected lock-connecting piece in elongated hole and in lower plug member fluting backward, lock-connecting piece can with the upper edge interlocking of rear slotware trailing flank, The upper cross-perforating of seat pipe lower end rotates the rear end of connection connecting rod, and connecting rod is suppressed at a right angle by the rear and front end of a metal round steel The part of 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 on part rear end with front The cross-perforating of side 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 Front axle is installed on, trailing wheel is installed on the rear end of rear fork；Electric drive system includes motor, battery, controller and controlling switch, Motor is arranged at trailing wheel, and battery and controller are all placed in the beam pipe of central sill.

2. stretching handle Portable electric bicycle according to claim 1, is characterized in that：The left hand with the right handgrip Screwed hole corresponds respectively to the bottom side of the upper latch fitting upper clamping piece, and the left hand handle and the right handgrip lower end side screwed hole are twisted After entering bolt, can connect as described left hand spacing with what the lower latch fitting lower clamping piece was slided up and down with described right handgrip 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 bolts coordinate, Can be as described left hand spacing when launching with described right handgrip.

3. stretching handle Portable electric bicycle according to claim 1, is characterized in that：The rear end of the upper clamping piece longitudinal hole connects There is a counterbore, in the counterbore of the upper clamping piece, inlay the stop nut of clamping screw described in, described clamping screw is by bolt It is formed by connecting with handle is screwed, described clamping screw also includes stop nut, the upward and downward circle of right-hand member in the middle part of the lower clamping piece Hole is corresponding with the pipe close-fitting of the front fork stem, the upward and downward circular hole of right-hand member and the front fork stem pipe in the middle part of the lower clamping piece Upper end close-fitting socket, described handle is a working of plastics, and two lower ends of the handle are respectively connected with the circle of a upward and downward, the handle Two circle collar aperture aperture and the left hand corresponding with the external diameter of the right handgrip, the top of the handle is a handle Handle.

4. stretching handle Portable electric bicycle according to claim 1, is characterized in that：Described rotary part includes front axle Pipe, two zanjon bearings, a plane bearing and there is a shock-absorbing polyurethane cylinder, the upper and lower side of front axle tube pore is respectively milled with placement zanjon axle The counterbore for holding, 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 bearings point It is not embedded in the counterbore of front axle tube 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 is put on plane bearing, and there is a hole axial direction of shock-absorbing polyurethane cylinder, and by the endoporus of two zanjon bearings, flat axle The axis hole for holding 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 lock bolt by described rotatable parts with described before connect the grooved of part and be connected.

5. stretching handle Portable electric bicycle according to claim 1, is characterized in that：It is cutting for aluminium extruded type to connect part before described Piece workpiece, described before connect the front end of part in grooved, the upper and lower of rear end respectively have a horizontal perforation, middle part to have reinforcement, institute Respectively there is a circular hole corner for connecting part reinforcement before stating, and connects in the circular hole of part reinforcement corner tapping before described into screwed hole, Connect before described part grooved both sides up and down be provided with mutual to perforation, described before connect the both sides up and down of part grooved and strike out fillet, Connecting part before described also includes both sides piece, and side piece is that the corner of side piece rectangle respectively has one by the rectangular patch of plastic injection Hole, the hole of side piece rectangle corner with described before connect part reinforcement corner screwed hole corresponding, and by bolt by both sides piece connect Be connected to described before connect the right and left of part.

6. stretching handle Portable electric bicycle according to claim 1, is characterized in that：Described front interior chock is by each up and down Have the cutting off processing part of the rectangular aluminium section bar of a circular hole, tapped in two circular holes up and down of the front interior chock, described before Respectively be provided with transverse holes before and after interior chock, two before and after the beam pipe left and right sides front end mutual to being punched through two pairs Lock bolt is fixedly connected with the front interior chock, and is inconjunction with the folding that connection is located at the vehicle seat of beam front end right flank Folded location hook, unclamps the two couples lock bolt for being located at the beam pipe front end, front described interior chock is extracted forward, just can be described Lithium battery group and controller is put in the pore of beam pipe front end, and described rear interior chock is by the rectangular aluminum for respectively having a circular hole up and down The cutting off processing part of extrusion section bar, described after in chock two circular holes up and down in tapped, be provided with described rear interior chock with The several mutual cross-perforatings corresponding to perforation in the rear slotware bottom left and right sides.

7. stretching handle Portable electric bicycle according to claim 1, is characterized in that：After the front slotware, bottom surface is each up and down There is a hole, the upper lower opening of bottom surface is by two bolts and the front interior chock being located in the pore of level metal rectangular pipe front end after the front slotware Twist-on is fixed, described fold frontal lobe position to the right respectively have a hole, the upper lower opening of the folding frontal lobe and rear interior chock up and down Screwed hole is corresponding up and down, is respectively penetrated in the upper lower opening for folding frontal lobe with two bolts, and is fastened to positioned at metal rectangular Fixed in the screwed hole up and down of the interior chock in the pore of pipe rear end, the front slotware left and right sides mutual to being punched through to lock Bolt with described before connect cross-perforating below part rear end and rotate and be connected.

8. stretching handle Portable electric bicycle according to claim 1, is characterized in that：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 described lower plug member is by the rectangular block of nylon injection-molding The part of shape, the trailing flank of the lower plug member have a fluting backward, and the top that the lower plug member is slotted backward has one upwards Counterbore, the left and right sides of the lower plug member respectively have a cross-perforating up and down, described round saddle pipe be processed by metal circular tube and Respectively be provided with into before and after, the round saddle pipe rear end radial direction to perforation.

9. stretching handle Portable electric bicycle according to claim 1, is characterized in that：Described lock-connecting piece is by flat pin, lock Tongue and spring are constituted, and spring is put in lower plug member fluting backward, and the upper end of spring is located at the lower plug member upwards Counterbore in, then penetrate flat pin in lower plug member fluting backward, the spiral shell for respectively having a longitudinal direction up and down in the middle part of flat pin Pit, dead bolt is the metal parts of a bulk, the dead bolt shape of the lower end of dead bolt in door lock, and the upper end of dead bolt respectively has one up and down The perforation of 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, and dead bolt is in spring Effect is lower can be with the upper edge interlocking of the rear slotware trailing flank.

10. stretching handle Portable electric bicycle according to claim 1, is characterized in that：The rear end of the connecting rod is from left to right Penetrate in the upper cross-perforating of the seat pipe lower end, blending bolt is fastened in the screwed hole of the rod rear end and positions, described The front end of connecting rod is penetrated in the cross-perforating above front even part rear end from left to right, and blending bolt is fastened to the connecting rod front end Screwed hole in position, described folding location hook be by a sheet of spring steel top rivet a hook-type nylon part, described There is holes the bottom for folding location hook, and the folding location hook is horizontal with the two of the beam pipe front end right flank by two bolts Screwed hole be fixedly connected.