CN206476019U

CN206476019U - The portable three-wheeled electric scooter of stretching handle Shockproof type

Info

Publication number: CN206476019U
Application number: CN201720147355.2U
Authority: CN
Inventors: 庞明方
Original assignee: Taicang Chezhongbao Leisure Products Co Ltd
Current assignee: Taicang Chezhongbao Leisure Products Co Ltd
Priority date: 2017-02-17
Filing date: 2017-02-17
Publication date: 2017-09-08
Anticipated expiration: 2027-02-17

Abstract

A kind of portable three-wheeled electric scooter of stretching handle Shockproof type, including quick stretching handle, front fork, side arm, lower link, upper connecting rod, vehicle body, battery case, Quick Release, front-wheel, hind axle, left rear wheel, off hind wheel, man power driving mechanism and electric drive system, quick stretching handle is connected with front fork, and be connected with side arm rotation, lower link is connected with transverse holes below rear even part and locating shaft respectively, upper connecting rod is connected with transverse holes above rear even part and vehicle body main part respectively, vehicle body is by vehicle body main part, fore bearing, trim ring, bearing after two, bearing block, locating shaft, shock resistance block, left and right wheel fork, shock-absorbing catch and rear board are constituted, battery case is connected with left and right wheel fork, front-wheel is installed on front fork, the related left and right trailing wheel of hind axle is installed on the rear end of left and right wheel fork, drive mechanism includes treadle part, step, crankshaft toothed wheel group, backgear group, flywheel and chain, motor is arranged at front-wheel, battery and controller are all placed in battery case.

Description

The portable three-wheeled electric scooter of stretching handle Shockproof type

Technical field

The utility model is related to a kind of electronic scooter of three-wheeled collapsible, more particularly to a kind of stretching handle Shockproof type portable three Take turns electronic scooter.

Background technology

There is folding scooter in the market, due to the reason such as structure and construction, very little can't be reached after folding, even It is small to the degree that can be put into knapsack.

The content of the invention

The purpose of this utility model is to provide for a kind of handlebar in the new type foldable mode of quick stretching handle type, after having folded Can be put into knapsack --- the portable three-wheeled electric scooter of stretching handle Shockproof type.The purpose of this utility model is realized in 's；The portable three-wheeled electric scooter of stretching handle Shockproof type, including quick stretching handle, front fork, side arm, lower link, upper connecting rod, car Body, battery case, Quick Release, front-wheel, hind axle, left rear wheel, off hind wheel, man power driving mechanism and electric drive system, it is characterized in that： Quick stretching handle includes left hand handle, right handgrip, upper latch fitting, lower latch fitting and handle, and left hand is being by the upper end of pipe with right handgrip Formed as right-angle bending, left hand being respectively provided with screwed hole with the lower section at right handgrip right-angle bending, left hand and right handgrip bottom Side be respectively provided with screwed hole, upper latch fitting is made up of upper clamping piece and upper Quick Release, and respectively there is a upward and downward left and right ends of upper clamping piece Cracked circular hole, and upper clamping piece left and right ends are cracked the cracking towards front of circular hole, and the crack left side of cracking of circular hole of upper clamping piece left end has There is a right lug forward on one left lug forward, the crack right side of cracking of circular hole of upper clamping piece right-hand member, have in the middle part of upper clamping piece one to Preceding projection, has a mutual cross-perforating, upper Quick Release is installed on folder between the left lug, projection and right lug of upper clamping piece In left lug, projection and the mutual cross-perforating of right lug of part, left hand handle and right handgrip are penetrated above and below upper clamping piece left and right ends To the circular hole that cracks in, and by left hand with right handgrip right-angle bending 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 below screwed hole in, by left hand and right handgrip and upper folder It is spacing that part work rotates, and upper Quick Release can tighten up the circular hole that cracks of crack circular hole and the right-hand member of upper clamping piece left end, by upper clamping piece Left hand handle and right handgrip are fixed；Lower latch fitting is made up of lower clamping piece and lower Quick Release, and the front portion on the lower clamping piece left side and the front portion on the right are each There is a circular hole that cracks of a upward and downward, lower clamping piece left side front portion is cracked the cracking towards front of circular hole, and front portion is cracked on the right of lower clamping piece Circular hole cracks towards front, and there is a left lug forward in the crack left side of cracking of circular hole of lower clamping piece left side front portion, and lower clamping piece is right There is a right lug forward on the crack right side of cracking of circular hole of side front portion, and there is a projection forward the anterior centre of lower clamping piece, under Between left lug, projection and the right lug of folder, there is a mutual cross-perforating, there is a upward and downward at the rear portion on the lower clamping piece left side Rear portion on the right of circular hole, lower clamping piece has on the circular hole of a upward and downward, the circular hole and the right rear portion of lower clamping piece left side rear portion upward and downward It is lower to circular hole be connected with front fork, left hand with right handgrip penetrating anterior and the anterior upward and downward in the right the circle that cracks in the lower clamping piece left side Kong Zhong, left hand is screwed into two bolts in the screwed hole with right handgrip bottom respectively, lower Quick Release be installed on lower clamping piece left lug, In projection and the mutual cross-perforating of right lug, lower Quick Release can tighten up the circle that cracks of crack circular hole and the right-hand member of lower clamping piece left end Hole, by the left hand in lower clamping piece being fixed with right handgrip, handle is connected to left hand the top with right handgrip, and positioned at upper clamping piece Top；Side arm by preceding even part, rotary part and after connect part and constitute, the amplexis hole of the preceding even front end of part two is fixedly connected on two front forks The middle part of bar, preceding even part is the cutting off processing part of aluminium extruded type, and respectively there are amplexis hole, rotary part peace in two front-end and back-end of preceding even part Connect before being loaded on the rear amplexis hole of part, after connect the slice processing part that part is aluminium extruded type, after connect part front end be in groove profile, after connect part groove The both sides up and down of type have mutual to perforation, after connect the upper and lower of part rear end and respectively have a transverse holes, after connect mutual pair of part groove profile It is punched through to lock bolt connection rotary part；The transverse holes of lower link front end to lock bolt with after by connecting below part rear end Transverse holes rotate connection, and upper connecting rod is the part being made up of metal round rod, and the front end of upper connecting rod connects the horizontal stroke above part rear end with after Rotate and connect to hole；Vehicle body after vehicle body main part, fore bearing, trim ring, two bearing, bearing block, locating shaft, shock resistance block, revolver fork, Right wheel fork, shock-absorbing catch and rear board are constituted, counterbore before the left side in the middle part of vehicle body main part has first, vehicle body main part first before sink Through hole during hole is connected to the right, counterbore before the middle through hole of vehicle body main part connects second to the right, the preceding counterbore of vehicle body main part first it is rear under Counterbore is to the right after counterbore after counterbore connects second to the right after counterbore behind side coherent first, vehicle body main part first, vehicle body main part second Through hole after connection, the front and rear of vehicle body main part leading section respectively has a cross-perforating, and the preceding cross-perforating of vehicle body main part leading section is fixed Position axis hole, the rear cross-perforating of vehicle body main part leading section is to have one below the connecting hole of upper connecting rod, vehicle body main part front end laterally Slot-type openings, the longitudinal circular hole intersected with slot-type openings that has in vehicle body main part front end, the rear portion of vehicle body main part has one horizontal Perforation, vehicle body main part rear end lower section connection shock resistance block, vehicle body main part second before counterbore inlay fore bearing, be placed on car with trim ring The right side of counterbore is fixed before body main part second, fore bearing is fixed on before the second of vehicle body main part in counterbore, and the of vehicle body main part Have and vehicle body main part first before and after bearing after inlaying one in bearing after counterbore inlays one after two, bearing block, bearing block rearward end Horizontal perforation and the corresponding holes of the second horizontal perforation, the cross-perforating at vehicle body main part rear portion by being pitched to lock bolt connection revolver, Bearing block and right wheel fork, are connected with shock-absorbing catch, revolver fork and right wheel fork are all rear end embedded bearings between revolver fork and right wheel fork Wheel fork, locating shaft penetrated in the transverse holes of lower link rear end, and in the positioning shaft hole of close-fitting press-in vehicle body main part, upper connecting rod Rear end is penetrated in the connecting hole of vehicle body main part upper connecting rod, and Quick Release is connected in longitudinal circular hole of vehicle body main part and slot-type openings In, and interlocking is in the ∩ type gap of lower link rearward end, the both ends of hind axle are penetrated in the rear end that revolver is pitched and right wheel is pitched Brearing bore in, left rear wheel and off hind wheel are connected to the left and right ends of hind axle, and rear board is bolted to a left side The top of wheel fork and right wheel fork, battery case is pitched by bolt with revolver and right wheel fork is connected, and front-wheel is installed on the lower end of front fork；People Power drive mechanism includes treadle part, step, crankshaft toothed wheel group, backgear group, flywheel and chain, and crankshaft toothed wheel group is by bent axle, preceding Level gear and two crankshaft bearings are constituted, and bent axle is that the round steel and a disk of two right-angle bending are welded, and prime gear is One nylon gear, the right flank of prime gear, which has on a boss for corresponding to fore bearing endoporus, the boss of prime gear, correspondence In the groove of bent axle round steel, the boss of prime gear is penetrated in the endoporus of fore bearing from left to right, and the left head of bent axle is penetrated to the left In the axis hole of prime gear, coordinated with bolt and nut and fix prime gear and bent axle, then two crankshaft bearings are socketed on song Two of axle, rear class gear train is made up of rear class gear, rear axle and sprocket wheel, and rear class gear is fixedly connected on the left part of rear axle, The right part of rear axle is penetrated in being embedded in after vehicle body main part second in the rear brearing bore of counterbore, and the left end of rear axle is penetrated in bearing In rear brearing bore in seat, sprocket wheel is fixedly connected on the right head of rear axle, and flywheel is installed on the position to the right in the middle part of hind axle, chain Bar is wire-wrapped in sprocket wheel and flywheel, and treadle part is the slice processing part by Al squeezing material, and the front end of treadle part has relative with locating shaft There is slotted hole the pore answered, the anterior lower section of treadle part, and the rear end of treadle part has before the screwed hole with step twist-on, two treadle parts The pore at end rotates the two for being socketed on locating shaft, and the slotted hole of two treadle parts is slidably socketed two Crankshafts in crankshaft toothed wheel group Hold, two steps are fastened in two screwed holes of two treadle part rear ends；Electric drive system include motor, battery, controller and Controlling switch, motor is arranged at front-wheel, and battery and controller are all placed in battery case；Quick Release is opened, vehicle body is folded up, In the presence of lower link and upper connecting rod, vehicle body is drawn in together with lower link and upper connecting rod to front fork stem, in addition quick stretching handle Folding, reach perfect folding effect.

The beneficial effects of the utility model are：The ingenious cooperation that the utility model passes through profile piece so that whole vehicle frame base No electric welding in sheet, represents a kind of new trend of the manufacturing process of three-wheeled electric scooter；Handlebar of the present utility model Using the form of quick stretching handle so that the folding of handlebar reaches both most simply, and reach most effective；Two front fork stems are connected to In the upward and downward circular hole at lower clamping piece rear portion two ends, the amplexis hole of the preceding even front end of part two is fixedly connected on after two front forks, preceding even part The amplexis hole connection rotary part at end, after connect the front end of part again by being connected to lock bolt with rotary part, allowed turning mechanism both It is simple and effective；The front end of upper connecting rod and lower link connects the upper and lower of part rear end, upper connecting rod and lower link after being connected to Rear end be connected to the connecting hole of vehicle body main part upper connecting rod and the both ends of locating shaft, so as to form the linkage of four-bar linkage Structure；The lower section connection shock resistance block of vehicle body main part rear end, is connected with shock-absorbing catch between being pitched revolver fork and right wheel and is engaged, can arrive Up to effective shock-proof effect；Battery case is connected between revolver fork and right wheel fork so that battery case is relatively hidden.

Brief description of the drawings：

Fig. 1 is the utility model structural representation；

Fig. 2 is the expanded schematic diagram of the quick stretching handle of the utility model；

Fig. 3 is the gathering schematic diagram of the quick stretching handle of the utility model；

Fig. 4 is the organigram of the utility model vehicle body main part；

Fig. 5 is the structural representation of the utility model crankshaft toothed wheel group；

Fig. 6 is the structural representation of the utility model treadle part；

Fig. 7 is the utility model folding process schematic diagram；

Fig. 8 is that the utility model folding finishes figure；

In figure：1 --- quick stretching handle, 2 --- front fork, 3 --- side arm, 41 --- lower link, 42 --- upper connecting rod, 5 --- vehicle body, 51 --- battery case, 6 --- Quick Release, 71 --- front-wheel, 72 --- hind axle, 73 --- left rear wheel, 74 --- Off hind wheel, 8 --- man power driving mechanism, 9 --- electric drive system；Wherein quick stretching handle 1 also includes：11 --- left hand --- right handgrip, 13 --- the upper latch fitting 12,14 --- lower latch fitting, 15 --- handles.

Embodiment：

According to Fig. 1, the portable three-wheeled electric scooter of described stretching handle Shockproof type, including it is quick stretching handle 1, front fork 2, preceding Frame 3, lower link 41, upper connecting rod 42, vehicle body 5, battery case 51, Quick Release 6, front-wheel 71, hind axle 72, left rear wheel 73, off hind wheel 74, Man power driving mechanism 8 and electric drive system 9；

Described quick stretching handle 1 includes left hand 11, right handgrip 12, upper latch fitting 13, lower latch fitting 14 and handle 15, described Left hand 11 and described right handgrip 12 be all to be formed by the upper end of pipe as right-angle bending, the left hand is 11 and the right side Side below at 12 right-angle bendings is respectively provided with a screwed hole by hand, and the left hand is 11 and the side of the bottom of the right handgrip 12 Respectively it is provided with a screwed hole.

Described upper latch fitting 13 is made up of upper clamping piece and upper Quick Release, and described upper clamping piece is the blank of an aluminium extruded type, Can be that aluminium forges part or aluminium diecasting, respectively there are the circular hole that cracks of a upward and downward, the upper folder in the left and right ends of the upper clamping piece Part left and right ends are cracked the cracking towards front of circular hole, and there is a left side forward in the crack left side of cracking of circular hole of the upper clamping piece left end Lug, the left side of the left lug of upper clamping piece is in arc concave, and the crack right side of cracking of circular hole of the upper clamping piece right-hand member has one forward Right lug, have a projection forward, left lug, the projection of the upper clamping piece and the institute of the upper clamping piece in the middle part of the upper clamping piece Between the right lug for stating upper clamping piece, a mutual cross-perforating is provided with, the postmedian of the upper clamping piece bottom surface has one downward prominent Go out, the cross-perforating between the right lug of the left lug of the upper clamping piece, the projection of the upper clamping piece and the upper clamping piece is used for Described upper Quick Release is installed, described upper Quick Release include fast dismounting handle, circle hook bolt, arc spacer, two Quick Release springs, two nuts and C type fasteners, c type fasteners are made up of nylon, and there is the opening of a c shapes front end of c type fasteners, and there is connection the rear end of c type fasteners Hole, c type fasteners are bolted to the front of the upper clamping piece projection, and fast dismounting handle is one of a trigger piece and is connected with Have inclined on mutual eccentric orfice, the disk of fast dismounting handle two on the part of two disks arranged side by side, the disk arranged side by side of fast dismounting handle two Collar aperture rotation of the heart hole by rivet with enclosing hook bolt is connected, and arc spacer is the pad that nylon is made, the arc of arc spacer Corresponding with the arc concave on the left of the left lug of the upper clamping piece, circle hook bolt penetrates arc spacer, the upper clamping piece left lug In Kong Zhong, a Quick Release spring, in the hole of the upper clamping piece projection, another Quick Release spring neutralize the hole of the right lug of upper clamping piece In, by two nuts to twisting positioning, switching fast dismounting handle can tighten up the hole of cracking of the upper clamping piece left and right ends, by described upper folder The hole of cracking of part left and right ends, tighten up positioned at the upper clamping piece left end crack hole in the left hand 11 and on described Folder right-hand member is cracked the right handgrip 12 in hole, and the fast dismounting handle after interlocking is caught in the c shape openings of c type fasteners.

Described left hand penetrates 11 and described right handgrip in the collar aperture of the left and right ends in described handle 15, institute The handle 15 stated is a working of plastics, and the lower end of left and right two of the handle 15 is respectively connected with the collar aperture of a upward and downward, the handle 15 The aperture of two collar aperture is corresponding the external diameter of 11 and the right handgrip 12 with the left hand, and the top of the handle 15 is a handle Handle, two collar aperture of the handle 15 are located at the left hand 11 and the lower section in the knee of the right handgrip 12 respectively, then will Described left hand is penetrated in the circular hole that cracks of the upper clamping piece left end 11, and described right handgrip 12 is penetrated in the upper folder In the circular hole that cracks of part right-hand member, and the left hand corresponds to the screwed hole below at 11 and the right-angle bending of the right handgrip 12 The bottom side of the upper clamping piece, be screwed into respectively with two bolts the left hand screwed hole below at 11 right-angle bendings is neutralized it is described In screwed hole below at the right-angle bending of right handgrip 12, the left hand is fastened in the screwed hole below at 11 right-angle bendings Bolt in bolt and the screwed hole being fastened to below at the right-angle bending of right handgrip 12, respectively positioned at the bottom of the upper clamping piece Side, when described left hand deploys 11 and described right handgrip 12, is fastened to the left hand below at 11 right-angle bendings Bolt in screwed hole and the bolt in the screwed hole being fastened to below at the right-angle bending of right handgrip 12, with the upper clamping piece Being downwardly projected for the postmedian of bottom surface is construed as limiting.

Described lower latch fitting 14 is made up of lower clamping piece and lower Quick Release, and described lower clamping piece is the blank of an aluminium extruded type, Can be that aluminium forges part or aluminium diecasting, respectively there is the circle that cracks of a upward and downward front portion on the lower clamping piece left side and the front portion on the right Hole, lower clamping piece left side front portion is cracked the cracking towards front of circular hole, and the anterior circular hole that cracks cracks on the right of the lower clamping piece Towards front, lower clamping piece left side front portion crack circular hole crack left side have a left lug forward, the lower clamping piece left side is convex The left side of piece is in that the right side of cracking of the anterior circular hole that cracks on the right of arc concave, the lower clamping piece has a right lug forward, it is described under There are a projection forward, left lug, the projection of the lower clamping piece and the lower clamping piece of the lower clamping piece in the anterior centre of folder Right lug between, be provided with a mutual cross-perforating, there is a circular hole of a upward and downward at the rear portion on the lower clamping piece left side, it is described under Rear portion on the right of folder has on the circular hole of a upward and downward, the circular hole and the right rear portion of lower clamping piece left side rear portion upward and downward It is lower to circular hole it is corresponding with two front fork stem close-fittings of the front fork 2, described front fork 2 is made up of two front fork stems, described front fork Bar is made up of metal circular tube, and the lower end of the front fork stem is in the gap that ∩ shapes are provided with flattening shape, front fork stem lower end flattening, The upper end of front fork stem described in two respectively with the circular hole of lower clamping piece left side rear portion upward and downward and the right rear portion upward and downward Circular hole close-fitting is socketed, and is reinforced with pin, the right side of the left lug of the lower clamping piece, the projection of the lower clamping piece and the lower clamping piece Cross-perforating between lug is used to install described lower Quick Release, and described lower Quick Release includes fast dismounting handle, circle hook bolt, arc-shaped pad Piece, two Quick Release springs, two nuts and c type fasteners, c type fasteners are made up of nylon, and there is opening for a c shapes front end of c type fasteners Mouthful, there is connecting hole the rear end of c type fasteners, and c type fasteners are bolted to the front of the lower clamping piece projection, and fast dismounting handle is One of one trigger piece, which is connected with the part of two disks arranged side by side, the disk arranged side by side of fast dismounting handle two, mutual eccentric orfice, Collar aperture rotation of the eccentric orfice by rivet with enclosing hook bolt on the disk of fast dismounting handle two is connected, and arc spacer is made of nylon Pad, the arc of arc spacer is corresponding with the arc concave on the left of the left lug of the lower clamping piece, and circle hook bolt penetrates arc-shaped pad In piece, the hole of the left lug of the lower clamping piece, in a Quick Release spring, in the hole of the lower clamping piece projection, another Quick Release spring neutralize In the hole of the right lug of lower clamping piece, two nuts can be tightened up into the lower clamping piece left side front portion to twisting positioning, switching fast dismounting handle Crack anterior hole of cracking on the right of hole and the lower clamping piece, then described lower clamping piece is tightened up and opened positioned at the lower clamping piece left end The left hand in seam circular hole 11 and positioned at the lower clamping piece right-hand member crack circular hole in the right handgrip 12, after interlocking Fast dismounting handle is caught in the c shape openings of c type fasteners.

Described left hand respectively penetrates 11 and described right handgrip 12 in the anterior circular hole that cracks in the lower clamping piece left side In the circular hole that cracks anterior on the right of the lower clamping piece, screwed hole of the left hand 11 bottom sides is screwed into respectively with two bolts In the screwed hole for neutralizing the bottom side of right handgrip 12, the left hand is fastened to the bolt in the screwed hole of 11 bottom sides As the anterior circular hole that cracks in the lower clamping piece left side to upper limit, the screwed hole of the bottom side of right handgrip 12 is fastened to In bolt, as the anterior circular hole that cracks on the right of the lower clamping piece to upper limit.

Described side arm 3 connect before including part, rotary part and after connect part, it is described before connect the blank that part is aluminium extruded type, Connect before described part in overlook V-shaped, it is described before connect the circular hole that two front-end and back-end of part V-shaped respectively have a band to crack, institute Connect before stating the front end of part two band crack circular hole crack it is vertical be respectively provided with one laterally to perforation, it is described before connect two front end bands of part and open Seam circular hole be inconjunction with each crack it is vertical laterally to amplexis hole before perforation referred to as, it is described before connect the rear end band of part and crack circle Hole crack it is vertical be provided with one laterally to perforation, it is described before connect the rear end band of part and crack that to be inconjunction with vertical transverse direction of cracking right for circular hole Perforation be referred to as after amplexis hole, it is described before connect part two before amplexis hole two front fork stems are fixedly connected on by the twist-on of bolt and nut Middle part, it is described before connect the rear amplexis hole of part the front axle tube of rotary part be fixedly connected with by the twist-on of bolt and nut, it is described Rotary part includes front axle tube and two bearings, and the upper and lower side of front axle tube pore, which is respectively milled with, places the counterbore that spin axis is held, two bearings In the counterbore for being embedded in front axle tube upper and lower side respectively, and by the endoporus of two bearings, corresponding to connecting above and below the groove profile of part front end after described Two sides it is mutual to perforation, described rear even part is the slice processing part of aluminium extruded type, it is described after to connect the front end of part be in groove profile, institute Connect after stating part groove profile both sides up and down be provided with it is mutual to perforation, it is described before connect the both sides up and down of part groove profile and strike out fillet, institute Connecting the upper and lower of part rear end after stating respectively has a transverse holes, it is described after connect part groove profile it is mutual to being punched through to lock bolt connection rotation Rotation member.

Described lower link 41 is stamped to form by sheet metal, the both sides of lower link 41 be in flat strip shaped arranged side by side, it is described under There is horizontal sheet connection the anterior upper edge of 41 liang of connecting rod flat strip shaped arranged side by side, and there is phase the front end of 41 liang of flat strip shapeds of lower link There are mutual transverse holes, the left flat strip shaped rear end of lower link 41 in mutual transverse holes, the rear end of 41 liang of flat strip shapeds of lower link Have a ∩ shape gap below portion, the mutual transverse holes in the front ends of 41 liang of flat strip shapeds of lower link by lock bolt with it is described Connect the transverse holes below part rear end afterwards and rotate connection.

Described upper connecting rod 42 is the part being made up of metal round rod, and the front-end and back-end of the upper connecting rod 42 are all in the left Right-angle bending, respectively have a horizontal screw thread at the two-end-point of the right-angle bending of the front-end and back-end of the upper connecting rod 42 to the left Hole, the right-angle bending of the front end of upper connecting rod 42 to the left is penetrated after described in the transverse holes connected above part rear end, and uses a spiral shell Bolt is fastened to the front end of the upper connecting rod 42 and positioned to the left in the screwed hole of right-angle bending end points.

Described vehicle body 5 includes bearing, bearing block, locating shaft, shock resistance block, a left side after vehicle body main part, fore bearing, trim ring, two Wheel fork, right wheel fork, shock-absorbing catch and rear board, described vehicle body main part is aluminium diecasting, the left side in the middle part of the vehicle body main part Counterbore before having first, the vehicle body main part first before counterbore connect to the right in through hole, the middle through hole of the vehicle body main part is to the right Counterbore before connection second, around counterbore before the vehicle body main part second, is provided with several horizontal screwed holes, the vehicle body Counterbore sinks after connecting second to the right after counterbore, the vehicle body main part first behind the back lower place of counterbore coherent first before main part first Through hole after counterbore is connected to the right after hole, the vehicle body main part second, the front and rear of the vehicle body main part leading section respectively has one laterally to wear Hole, the preceding cross-perforating of the vehicle body main part leading section is to be provided with one below positioning shaft hole, the vehicle body main part positioning shaft hole Vertical screwed hole, the rear cross-perforating of the vehicle body main part leading section is the connecting hole of upper connecting rod, the vehicle body main part front end Lower section have a horizontal slot-type openings, there is a longitudinal circular hole intersected with slot-type openings the vehicle body main part front end, described There is a horizontal perforation at the rear portion of vehicle body main part, before the rear portion horizontal perforation back upper place of vehicle body main part is in flat, vehicle body main part flat Respectively be provided with a screwed hole afterwards, the vehicle body main part second before counterbore inlay described fore bearing, described fore bearing is 6813 The deep groove ball bearing of model, the right side of counterbore before the vehicle body main part second is placed on described trim ring, is penetrated with several bolts In the several perforation of trim ring and be fastened to before the vehicle body main part second around counterbore in several horizontal screwed holes it is fixed, Described trim ring is that several perforation are provided with the metal ring of a shim-like, the vehicle body main part second after counterbore inlay an institute Two screwed holes in the rear bearing stated, the vehicle body main part flat are by the shock resistance block described in two bolt connections, and described keeps away Shake block by polyurethane into, described bearing block is a metal stamping, and there is the counterbore of an embedded bearing front end of the bearing block, There is hole the rear end of the bearing block, and the hole of the bearing block rearward end is corresponding with the vehicle body main part rear portion horizontal perforation, described The rear bearing described in one is inlayed in the counterbore of bearing block.

Described revolver fork and described right wheel fork are the metal parts of flat strip shaped, what the revolver fork and the right wheel were pitched The edge of the oriented inner side right-angle bending in top, revolver fork and right wheel fork top are opened on the edge of inner side right-angle bending The connecting hole being connected with rear board, postmedian that revolver fork and the right wheel are pitched is provided with several companies being connected with battery case Connect hole, there is a hole front end that the revolver fork and the right wheel are pitched, it is anterior front and rear each that the revolver fork and the right wheel are pitched There is a hole, there is wavy bending at the middle part that the revolver fork and the right wheel are pitched, and it is wavy curved that the revolver fork and the right wheel are pitched Bent left and right correspondence, the rear end punching that the revolver fork and the right wheel are pitched has the counterbore of embedded bearing, the revolver fork and the right side A bearing is respectively inlayed in the counterbore of wheel fork rear end, described shock-absorbing catch is stamped to form by sheet metal, a left side for the shock-absorbing catch There is upward flanging on right both sides, and the front and rear of the flanging of shock-absorbing catch two respectively has a hole, the holes of the flanging of shock-absorbing catch two Pitched by rivet and the revolver and the anterior front and rear gaps of right wheel fork are riveted, the revolver fork front aperture and the bearing block Rear hole is corresponding, and corresponding to the left surface of the vehicle body main part rear portion horizontal perforation, the right wheel fork front aperture corresponds to institute The right flank of vehicle body main part rear portion horizontal perforation is stated, by described revolver being pitched to lock bolt, described bearing block and described Right wheel pitches the rear portion for being connected to the vehicle body main part.

Described rear board is formed by plastic injection, and the left-right and front-back of the rear board has a downward stile, it is described behind There are several upward twist-on holes on the inside of the downward stile of plate or so, the position to the right of the downward stile in the rear board front has one The gap that Open Side Down, the bottom surface of the rear board has before the reinforcement of the clathrate of vertical and horizontal, described rear board or so The reinforcement of rear stile and rear board bottom surface vertical and horizontal is integrally coherent, the rear board upward on be also distributed There are antiskid particles, antiskid particles are upper prominent pinnacle round dots, several upward twist-ons on the inside of the downward stile in the left and right below Hole, is pitched with the revolver and connecting hole of the right wheel fork top to inner side right-angle bending edge is corresponding, and by passing through number Tap bolt pitches the revolver and right wheel fork is connected with described rear board, and described battery case 51 is made of metal Rectangular box, the left and right sides of the battery case 51 respectively have several horizontal screwed holes, and described battery case 51 passes through bolt It is connected with described revolver fork and described right wheel fork.

Described locating shaft is a metal circular shaft, and the locating shaft two ends respectively have the screwed hole of an axial direction, the locating shaft There is the counterbore of a radial direction middle side, and described locating shaft penetrates the transverse holes of the side flat strip shaped rear end of lower link 41, Then close-fitting is pressed into the positioning shaft hole of the vehicle body main part, then the transverse direction from the opposite side flat strip shaped rear end of lower link 41 Passed in hole, and cause the radial direction counterbore of the locating shaft to correspond to screw thread vertical below the vehicle body main part positioning shaft hole Hole, with radial direction counterbore of the twist-on to the locating shaft in bolt screwed hole vertical below the vehicle body main part positioning shaft hole Middle fixation, and the mutual transverse holes in described 41 liang of flat strip shaped rear ends of lower link is connected with locating shaft two ends portion rotation, institute The right-angle bending to the left for stating the rear end of upper connecting rod 42 is penetrated in the connecting hole of the vehicle body main part upper connecting rod, and with a bolt twist-on Positioned in the rear end of the upper connecting rod 42 to the left screwed hole of right-angle bending end points.

Described Quick Release 6 is made up of hole cylinder, fast dismounting handle, circle hook bolt, concave surface pad, spring and Anti-slip nut, band Hole cylinder is that the radial direction of a metal cylinder side is provided with a perforation, and hole cylinder penetrates being opened with groove profile for the vehicle body main part front end In mouthful intersecting longitudinal circular hole, and the radial perforation of hole cylinder is corresponded to the slot-type openings of the vehicle body main part front end, soon It is that one end is connected with two disks side by side, had on two disks side by side on the part of a mutual eccentric orfice, fast dismounting handle mutually to tear handle open Eccentric orfice by rivet and enclose hook bolt circle head bore rotate be connected and make the circle head of circle hook bolt positioned at fast dismounting handle two side by side Disk between, circle hook bolt penetrates concave surface pad, penetrated again in a spring, then penetrates in corresponding to the vehicle body main part front end Slot-type openings in hole cylinder radial perforation in, then screw again in described Anti-slip nut, allow 6 turns of described Quick Release Dynamic to be connected in the longitudinal circular hole intersected with slot-type openings of the vehicle body main part front end, the described interlocking of Quick Release 6 is under described On ∩ shape gap below the left flat strip shaped rearward end of connecting rod 41.

Described front-wheel 71 is 8 inches of motor wheel, and the two ends of the wheel shaft of front-wheel 71 are installed on by the cooperation of nut In the gap of the ∩ shapes of front fork stem described in two, the left end of the hind axle 72 and the position to the right at middle part carry externally threaded axle, There is the screwed hole of an axial direction at the end points of the right-hand member of hind axle 72, the left and right ends portion of the hind axle 72 is respectively penetrated in institute State revolver fork and the right wheel is pitched in the brearing bore of rear end, described left rear wheel 73 is 10 inches of wheels, the left rear wheel 73 There is a screwed hole at center, and the left end that described left rear wheel 73 is fastened to the hind axle 72 is fixed, and described off hind wheel 74 is 10 Inch wheel, the centre of the two sides of off hind wheel 74 is respectively inlaid with a bearing, and the off hind wheel 74 is socketed on the hind axle 72 Right-hand member, and be fastened to a bolt screwed hole positioning of the right-hand member of hind axle 72.

Described man power driving mechanism 8 includes treadle part, step, crankshaft toothed wheel group, backgear group, flywheel and chain, institute The treadle stated is made up of the slice processing part and a steel pipe of Al squeezing material, before the treadle part Al squeezing material slice processing part End, which has below a horizontal circular hole, the horizontal circular hole of the treadle part Al squeezing material slice processing part, cracking for a transverse direction, described The horizontal vertical perforation for having a longitudinal direction cracked of treadle part Al squeezing material slice processing part, the treadle part Al squeezing material section A bolt and the nut of twist-on one, the transverse direction of the treadle part Al squeezing material slice processing part are penetrated in the perforation of workpiece longitudinal direction Circular hole is socketed a steel pipe, and matching somebody with somebody by the screw bolt and nut in the treadle part Al squeezing material slice processing part longitudinally perforation Close, the horizontal circular hole of the treadle part Al squeezing material slice processing part is fixed with a steel pipe, the pipe of the steel pipe of treadle part one Hole is corresponding with the positioning shaft diameter, and there is slotted hole the anterior lower section of the treadle part Al squeezing material slice processing part, described There is a screwed hole with step twist-on the rear end of treadle part Al squeezing material, the treadle part is divided to or so two, treadle part described in two Two of steel pipe pore and the locating shaft rotates socket, then respectively uses one in the axial screwed hole of the locating shaft two ends Bolt is wherein positioned with unification pad twist-on, and the long circle of treadle part described in two is slidably socketed two songs in the crankshaft toothed wheel group On bearing, the screwed hole difference step of twist-on one of treadle part rear end described in two, described crankshaft toothed wheel group includes bent axle, prime tooth Wheel, Siping City's base bolt and two crankshaft bearings, described bent axle is that the round steel and a disk of two right-angle bending are welded, institute The round steel of bent axle two right-angle bending is stated, is respectively had at the end points center at two ends on an axial screwed hole, the disk of the bent axle There are an axis hole and four connecting holes, the right head of two right-angle bending round steel of the bent axle is penetrated in the bent axle from left to right In the axis hole of disk, then the middle part of two right-angle bending round steel of the bent axle and the middle part of the bent axle disk left surface are welded Connect, described prime gear is modified nylon gear, the right flank of the prime gear has one to correspond to fore bearing described in two There is the step of protrusion, the prime gear in the junction of the boss of endoporus, the prime gear and the prime gear boss Boss on have on groove corresponding to the bent axle round steel, described prime gear and have an axis hole for running through left and right side, it is described The left surface of prime gear has four hexagonal counterbores, and four hexagonal counterbores are connected with to the right through hole, four of the prime gear A nut is respectively inlayed in hexagonal counterbore, the boss of the prime gear is penetrated in the endoporus of fore bearing described in two from left to right, The left head of the bent axle is penetrated in the axis hole of the prime gear and wins to the left to the left, then Siping City's base spiral shell is penetrated into bent axle In four connecting holes of disk and in four through holes of prime gear, and it is fastened in four nuts on the left of prime gear, then by two Crankshaft bearing is socketed on two of bent axle, and is fastened to two bolts in the screwed hole of crankshaft two end and positions, described rear class tooth Wheel group is made up of rear class gear, rear axle and sprocket wheel, the left part rear class gear of the rear axle, the right part and a left side of the rear axle End, is respectively penetrated after be embedded in the vehicle body main part second in the endoporus of the rear bearing of counterbore, and be embedded in the axle In the endoporus of the rear bearing of bearing counterbore, described sprocket wheel is fixedly connected on the right head of the rear axle, and described flywheel is twisted It is connected in the position to the right at the middle part of hind axle 72, described chain is wire-wrapped in described sprocket 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, described motor and the wheel hub of the front-wheel 71 are integrally configured and combined, and described battery is the lithium battery of series connection Group, described controller is brushless motor controller, and described battery and described controller are all positioned over described battery case In 51, described controlling switch includes speed control crank, power-off brake lever and power supply lock, and described power supply lock is installed on institute The side for the battery case 51 stated, speed control crank is installed on described right handgrip 12, and power-off brake lever is installed on described left hand handle On 11 and on described right handgrip 12, power supply lock, speed control crank and power-off brake lever, by connecting line and connector with it is described Controller connection, described controller passes through connecting line and connector and connects with the motor on described battery and the front-wheel 71 Connect.

Claims

1. a kind of portable three-wheeled electric scooter of stretching handle Shockproof type, including quick stretching handle, front fork, side arm, lower link, upper company Bar, vehicle body, battery case, Quick Release, front-wheel, hind axle, left rear wheel, off hind wheel, man power driving mechanism and electric drive system, it is special Levying is：Quick stretching handle includes left hand handle, right handgrip, upper latch fitting, lower latch fitting and handle, and left hand is being by pipe with right handgrip Upper end is formed as right-angle bending, left hand being respectively provided with screwed hole with the lower section at right handgrip right-angle bending, left hand and right handgrip The side of bottom is respectively provided with screwed hole, and upper latch fitting is made up of upper clamping piece and upper Quick Release, and the left and right ends of upper clamping piece respectively have about one To the circular hole that cracks, upper clamping piece left and right ends crack the cracking towards front of circular hole, and upper clamping piece left end cracks the left side of cracking of circular hole There is a left lug forward side, and the crack right side of cracking of circular hole of upper clamping piece right-hand member has in the middle part of a right lug forward, upper clamping piece and had One projection forward, has a mutual cross-perforating, upper Quick Release is installed between the left lug, projection and right lug of upper clamping piece In left lug, projection and the mutual cross-perforating of right lug of upper clamping piece, left hand handle and right handgrip penetrate upper clamping piece left and right ends In the circular hole that cracks of upward and downward, and by left hand with right handgrip right-angle bending below screwed hole correspond to upper clamping piece bottom side Face, with two bolts be screwed into respectively left hand with right handgrip right-angle bending below screwed hole in, by left hand and right handgrip and It is spacing that upper clamping piece work rotates, and upper Quick Release can tighten up the circular hole that cracks of crack circular hole and the right-hand member of upper clamping piece left end, by upper clamping piece In left hand and right handgrip fix；Lower latch fitting is made up of lower clamping piece and lower Quick Release, before the front portion on the lower clamping piece left side and the right Respectively there is a circular hole that cracks of a upward and downward in portion, and lower clamping piece left side front portion is cracked the cracking towards front of circular hole, anterior on the right of lower clamping piece Crack the cracking towards front of circular hole, there are a left lug forward, lower folder in the crack left side of cracking of circular hole of lower clamping piece left side front portion There is a right lug forward on the right side of cracking of the anterior circular hole that cracks on the right of part, and there is a projection forward the anterior centre of lower clamping piece, Between the left lug, projection and right lug of lower clamping piece, there is a mutual cross-perforating, the rear portion on the lower clamping piece left side has about one To circular hole, the rear portion on the right of lower clamping piece has after the circular hole of a upward and downward, the circular hole of lower clamping piece left side rear portion upward and downward and the right The circular hole of portion's upward and downward is connected with front fork, and left hand is anterior and the anterior upward and downward in the right open the lower clamping piece left side is penetrated with right handgrip Stitch in circular hole, be screwed into left hand respectively with two bolts in the screwed hole with right handgrip bottom, lower Quick Release is installed on a left side for lower clamping piece In lug, projection and the mutual cross-perforating of right lug, lower Quick Release can tighten up opening for crack circular hole and the right-hand member of lower clamping piece left end Circular hole is stitched, by the left hand in lower clamping piece being fixed with right handgrip, handle is connected to left hand the top with right handgrip, and positioned at upper The top of folder；Side arm by preceding even part, rotary part and after connect part and constitute, the amplexis hole of the preceding even front end of part two is fixedly connected on two The middle part of front fork stem, two front-end and back-end of preceding even part respectively have amplexis hole, rotary part to connect before being installed on the rear amplexis hole of part, The front end for connecting part afterwards is in groove profile, after connect the both sides up and down of part groove profile and have mutual to perforation, after connect the upper and lower of part rear end and respectively have One transverse holes, after connect part groove profile it is mutual to being punched through to lock bolt connection rotary part；The transverse holes of lower link front end are led to Cross the transverse holes rotation connected lock bolt with after below part rear end to be connected, upper connecting rod is the part being made up of metal round rod, upper company The transverse holes that the front end of bar connects with after above part rear end, which are rotated, to be connected；Vehicle body after vehicle body main part, fore bearing, trim ring, two bearing, Bearing block, locating shaft, shock resistance block, revolver fork, right wheel fork, shock-absorbing catch and rear board are constituted, and the left side in the middle part of vehicle body main part has Counterbore before first, vehicle body main part first before counterbore connect to the right in through hole, before the middle through hole of vehicle body main part connects second to the right Counterbore connects to the right second after counterbore, vehicle body main part first behind the back lower place of counterbore coherent first before counterbore, vehicle body main part first Through hole after counterbore is connected to the right after counterbore afterwards, vehicle body main part second, the front and rear of vehicle body main part leading section respectively has a cross-perforating, car The preceding cross-perforating of body main part leading section is positioning shaft hole, and the rear cross-perforating of vehicle body main part leading section is the connection of upper connecting rod There are a horizontal slot-type openings below hole, vehicle body main part front end, there is one to intersect with slot-type openings in vehicle body main part front end There are a horizontal perforation, the lower section connection shock resistance block of vehicle body main part rear end, the second of vehicle body main part in longitudinal circular hole, the rear portion of vehicle body main part Preceding counterbore inlays fore bearing, and the right side for being placed on counterbore before vehicle body main part second with trim ring is fixed, and fore bearing is fixed on into vehicle body master Before the second of part in counterbore, vehicle body main part second after counterbore inlay one after bearing, bearing, bearing block after inlaying one in bearing block There are the holes corresponding with the horizontal perforation of vehicle body main part first and the second horizontal perforation, the transverse direction at vehicle body main part rear portion before and after rearward end It is punched through, to lock bolt connection revolver fork, bearing block and right wheel fork, shock-absorbing catch, revolver being connected between revolver fork and right wheel fork Fork and right wheel fork are all the wheel forks of rear end embedded bearing, and locating shaft is penetrated in the transverse holes of lower link rear end, and close-fitting press-in car In the positioning shaft hole of body main part, the rear end of upper connecting rod is penetrated in the connecting hole of vehicle body main part upper connecting rod, and Quick Release is connected to vehicle body In longitudinal circular hole of main part and in slot-type openings, and interlocking is in the ∩ type gap of lower link rearward end, the both ends of hind axle Penetrate in the brearing bore for the rear end that revolver is pitched and right wheel is pitched, left rear wheel and off hind wheel are connected to the left and right two of hind axle End, rear board is bolted to the top that revolver fork and right wheel are pitched, and battery case is pitched by bolt and revolver and right wheel fork connects Connect, front-wheel is installed on the lower end of front fork；Man power driving mechanism includes treadle part, step, crankshaft toothed wheel group, backgear group, flywheel And chain, crankshaft toothed wheel group is made up of bent axle, prime gear and two crankshaft bearings, bent axle be two right-angle bending round steel and One disk is welded, and prime gear is a nylon gear, and the right flank of prime gear has one to correspond to the convex of fore bearing endoporus There is the groove corresponding to bent axle round steel on platform, the boss of prime gear, the boss of prime gear is penetrated in fore bearing from left to right In endoporus, the left head of bent axle is penetrated in the axis hole of prime gear to the left, is coordinated with bolt and nut and is consolidated prime gear and bent axle Calmly, then by two crankshaft bearings two of bent axle is socketed on, rear class gear train is made up of rear class gear, rear axle and sprocket wheel, rear class tooth Wheel is fixedly connected on the left part of rear axle, and the right part of rear axle is penetrated in being embedded in after vehicle body main part second in the rear bearing of counterbore Kong Zhong, the left end of rear axle is penetrated in the rear brearing bore in bearing block, and sprocket wheel is fixedly connected on the right head of rear axle, and flywheel is installed Position to the right in the middle part of hind axle, chain is wire-wrapped in sprocket wheel and flywheel, and there is the pipe corresponding with locating shaft the front end of treadle part There is slotted hole hole, the anterior lower section of treadle part, and there are the screwed hole with step twist-on, the pipe of two treadle part front ends in the rear end of treadle part Hole, which is rotated, is socketed on two of locating shaft, and the slotted holes of two treadle parts is slidably socketed on two crankshaft bearings of crankshaft toothed wheel group, Two steps are fastened in two screwed holes of two treadle part rear ends；Electric drive system is opened including motor, battery, controller and control Close, motor is arranged at front-wheel, and battery and controller are all placed in battery case.

2. the portable three-wheeled electric scooter of stretching handle Shockproof type according to claim 1, it is characterized in that：The upper clamping piece is left The left side of lug is in arc concave, and the arc of arc spacer is corresponding with the arc concave on the left of the left lug of the upper clamping piece, it is described under The left side of the left lug of folder is in arc concave, and the arc of arc spacer is corresponding with the arc concave on the left of the left lug of the lower clamping piece.

3. the portable three-wheeled electric scooter of stretching handle Shockproof type according to claim 1, it is characterized in that：Connect part before described In the V-shaped of vertical view, it is described before connect part two before amplexis hole be fixedly connected on by the twist-on of bolt and nut in the middle part of front fork, it is described The rear amplexis hole of preceding even part is fixedly connected with the front axle tube of rotary part by the twist-on of bolt and nut.

4. the portable three-wheeled electric scooter of stretching handle Shockproof type according to claim 1, it is characterized in that：Described rotating part Part includes front axle tube and two bearings, it is described after to connect the front end of part be in groove profile, it is described after connect the both sides up and down of part groove profile and be provided with phase It is mutual to perforation, it is described after connect part groove profile it is mutual to being punched through to lock bolt connection rotary part.

5. the portable three-wheeled electric scooter of stretching handle Shockproof type according to claim 1, it is characterized in that：Described lower link It is stamped to form by sheet metal, the lower link both sides are in flat strip shaped arranged side by side, anterior upper of the lower link two flat strip shaped arranged side by side There is horizontal sheet connection at edge, and there are mutual transverse holes, the flat bar of lower link two in the front end of the flat strip shaped of lower link two The rear end of shape, which has below mutual transverse holes, the left flat strip shaped rearward end of lower link, a ∩ shape gap, the lower link The mutual transverse holes in the front ends of two flat strip shapeds by lock bolt with it is described after the transverse holes rotation that connects below part rear end be connected, institute The upper connecting rod stated is the part being made up of metal round rod, and the front-end and back-end of the upper connecting rod are all in right-angle bending to the left, institute Stating respectively has a horizontal screwed hole at the two-end-point of the right-angle bending of the front-end and back-end of upper connecting rod to the left.

6. the portable three-wheeled electric scooter of stretching handle Shockproof type according to claim 1, it is characterized in that：Positioned at the vehicle body Before main part second around counterbore, be provided with below several horizontal screwed holes, the vehicle body main part positioning shaft hole be provided with one erect To screwed hole, be that several perforation are provided with the metal ring of a shim-like with described trim ring, described bearing block is a gold medal Belong to stamping, there is the counterbore of an embedded bearing front end of the bearing block, and there are hole, the bearing base rear end in the rear end of the bearing block Hole is corresponding with the vehicle body main part rear portion horizontal perforation.

7. the portable three-wheeled electric scooter of stretching handle Shockproof type according to claim 1, it is characterized in that：Revolver fork and The connecting hole that the right wheel fork top be connected to opening on the edge of inner side right-angle bending with rear board, the revolver fork and the right side The postmedian of wheel fork is provided with several connecting holes being connected with battery case, and the rear end punching that the revolver fork and the right wheel are pitched has edge The counterbore of embedding bearing, the revolver fork and the right wheel are pitched in the counterbore of rear end and respectively inlay a bearing, and described battery case passes through Bolt is connected with described revolver fork and described right wheel fork.

8. the portable three-wheeled electric scooter of stretching handle Shockproof type according to claim 1, it is characterized in that：Described locating shaft It is a metal circular shaft, the locating shaft two ends respectively have the side in the middle of the screwed hole of an axial direction, the locating shaft to have a radial direction Counterbore, described locating shaft penetrates the transverse holes of the lower link side flat strip shaped rear end, and then close-fitting is pressed into the vehicle body In the positioning shaft hole of main part, then pass from the transverse holes of the lower link opposite side flat strip shaped rear end, and cause the positioning The radial direction counterbore of axle corresponds to screwed hole vertical below the vehicle body main part positioning shaft hole, with a bolt in the vehicle body main part Twist-on is fixed into the radial direction counterbore of the locating shaft in vertical screwed hole below positioning shaft hole, and makes the lower link two flat The mutual transverse holes in strip rear end are rotated with the locating shaft two ends portion and are connected.

9. the portable three-wheeled electric scooter of stretching handle Shockproof type according to claim 1, it is characterized in that：The treadle part aluminium The front end of extrusion section bar slice processing part has below a horizontal circular hole, the horizontal circular hole of the treadle part Al squeezing material slice processing part Have one it is horizontal crack, the horizontal vertical perforation for having a longitudinal direction cracked of the treadle part Al squeezing material slice processing part, institute A bolt and the nut of twist-on one, the treadle part aluminium extruded are penetrated in the perforation for stating treadle part Al squeezing material slice processing part longitudinal direction The horizontal circular hole of section bar slice processing part is socketed a steel pipe, and is longitudinally perforated by the treadle part Al squeezing material slice processing part In screw bolt and nut cooperation, the horizontal circular hole of the treadle part Al squeezing material slice processing part is fixed with a steel pipe, institute The pore for stating the steel pipe of treadle part one is corresponding with the positioning shaft diameter, the treadle part Al squeezing material slice processing part front portion There is slotted hole lower section, and there is the screwed hole with step twist-on the rear end of the treadle part Al squeezing material.

10. the portable three-wheeled electric scooter of stretching handle Shockproof type according to claim 1, it is characterized in that：Described bent axle Gear train includes bent axle, prime gear, Siping City's base bolt and two crankshaft bearings, and described bent axle is the circle of two right-angle bending Steel and a disk are welded, the round steel of described bent axle two right-angle bending, the spiral shell for respectively having an axial direction at the end points center at two ends There are an axis hole and four connecting holes, the right head of two right-angle bending round steel of the bent axle on pit, the disk of the bent axle Penetrate from left to right in the axis hole of the bent axle disk, then the middle part of two right-angle bending round steel of the bent axle with it is described The middle part welding of bent axle disk left surface, the right flank of the prime gear has one to correspond to the convex of fore bearing endoporus described in two The junction of platform, the prime gear and the prime gear boss also has on the step of protrusion, the boss of the prime gear There is the groove corresponding to the bent axle round steel.