CN204527500U - With the portable pedal-sliding vehicle of inserts plastics main part - Google Patents

Abstract

A kind of portable pedal-sliding vehicle with inserts plastics main part, comprise side arm, vehicle body, folding connecting rod, front fork, V-shaped folding hand handle, front-wheel, trailing wheel and driver train, side arm is by front head tube, down tube, first engaging lug and the second engaging lug are welded, vehicle body is by main part, left back wheel fork, right back wheel fork, two front bearings and two rear bearings are formed by connecting, main part is the Plastic Parts being embedded with inserts, trailing wheel is installed on a left side, right back wheel fork, main part is connected with the first engaging lug and folding connecting rod, folding connecting rod is by front rod, rear linking rod, snap close, little spring and ball-headed bolt are formed by connecting, folding connecting rod and the second engaging lug are rotationally connected, front fork is connected with front head tube and front-wheel, V-shaped folding hand handle is fixed with front fork, driver train is by treadle, oval circle, step, crank teeth wheels, backgear group, flywheel and chain are formed by connecting.

Description

With the portable pedal-sliding vehicle of inserts plastics main part

technical field:

The utility model relates to a kind of bipod and to stand the scooter of riding, particularly a kind of portable pedal-sliding vehicle with inserts plastics main part.

background technology:

The Quick-folding portable pedal bike that the design people formerly designed, solve some portable problems and folding speed issue, but due to reasons such as structures, outward appearance is unsatisfactory, always allows people have a kind of not perfect sorry sensation.

utility model content:

The purpose of this utility model is will on the basis of original Quick-folding portable pedal bike, carry out improving, improve and improving, release a kind of plastics main part adopting band inserts, and step adopts the dual platen formation step of Plastic Parts---the portable pedal-sliding vehicle of band inserts plastics main part.The purpose of this utility model realizes like this, with the portable pedal-sliding vehicle of inserts plastics main part, comprise side arm, vehicle body, folding connecting rod, front fork, V-shaped folding hand handle, front-wheel, trailing wheel and driver train, it is characterized in that: side arm comprises front head tube, down tube, the first engaging lug and the second engaging lug, down tube is a rectangular tube, the first engaging lug is welded in the rear end of down tube, the front end of down tube is welded in the lower end of front head tube, and the second engaging lug is welded in the top of down tube and front head tube weld, vehicle body is by main part, left back wheel fork, right back wheel fork, two front bearings and two rear bearings are formed, main part is the Plastic Parts being embedded with inserts, the annular insert that band iron is bent into is inlaid with in main part, annular insert is welded with fix shaft, first connection pipe and the second connection pipe, counterbore before left side in the middle part of main part has one, in the front counterbore of main part, with the right side corresponding to front counterbore place main part respectively with a mutually corresponding front bearing counterbore, through hole before having one in the front bearing counterbore that main part two is mutually corresponding, the coherent rear counterbore in the back lower place of counterbore before main part, in the rear counterbore of main part, with the right side corresponding to rear counterbore place main part respectively with a mutually corresponding rear bearing counterbore, the rear portion of main part and rear end are respectively with the perforation of a transverse direction, the perforation at main part rear portion is connected left back wheel fork and right back wheel fork by two to lock bolt with the perforation of main part rear end, a front bearing is respectively inlayed in two front bearing counterbores of main part, a rear bearing is respectively inlayed in two rear bearing counterbores of main part, trailing wheel is installed on the rear end of left back wheel fork and right back wheel fork, first connection pipe is connected by rotating with the first engaging lug to lock bolt, folding connecting rod comprises front rod, rear linking rod, snap close, little spring and ball-headed bolt, front rod is the plastics rod like parts of below respectively with a cross-perforating at front end and rear portion, there is about one through elongated hole at the rear portion of front rod, snap close and little spring are installed in the elongated hole of front rod, the front perforation of front rod is by being rotationally connected lock bolt and the second engaging lug, the rear perforation of front rod is rotationally connected by the engaging lug of the front end to lock bolt and rear linking rod, rear linking rod is the parts that an engaging lug is respectively welded at the two ends of a rectangular tube, the top of rear linking rod rectangular tube front end is twisted and is connect a ball-headed bolt, the engaging lug of rear linking rod rear end is by being rotationally connected the second connection pipe of lock bolt and main part, ball-headed bolt above rear linking rod can by the snap close interlocking on front rod, front fork and front head tube are rotationally connected, front-wheel is installed on front fork, V-shaped folding hand handle is quick interlocking formula V-shaped folding hand handle, comprise hand pedestal, left hand handle, right handgrip, left lock-connecting piece, right lock-connecting piece, hand is made up of pedestal pedestal moulding and interior poling, interior poling injection moulding is in pedestal moulding, the right and left of pedestal moulding has groove, the right and left top of pedestal moulding is U-lag, bottom is flat-bottom slot, the both sides of pedestal moulding the right and left flat-bottom slot respectively have one mutual to perforation, hand coordinates pedestal with bowl-type pad by interior poling, hanging bolt and slope nut, be fixedly connected in the front fork tube of front fork, left hand is the parts being connected cast with the right handgrip bottom that is pipe, the plagiocephaly barrel of the left lock-connecting piece of lower weld of left hand handle, left lock-connecting piece is by a plagiocephaly barrel, one round head bolt and a nut are formed, twist in plagiocephaly barrel and connect round head bolt, the stubborn place of connecing of round head bolt and plagiocephaly barrel also twists and connects a nut, the channel of the right lock-connecting piece of lower weld of right handgrip, right lock-connecting piece is by channel, latch hook, to connecting bolt, spring and dowel bolt are formed, the both sides up and down of the flute profile left part of channel have mutual to perforation, a tapped bore is had in the middle part of the flute profile of channel, the upper and lower both sides of channel mutual to perforation by being rotationally connected the collar aperture in the middle part of connecting bolt and latch hook, latch hook is that left end becomes hook-type, there is collar aperture at middle part, the parts of right part band handle, the handle of latch hook there is an elongated hole, spring is positioned between the tapped bore of channel and the elongated hole of latch hook, penetrate with dowel bolt in the elongated hole of latch hook with in spring, be screwed into again in the tapped bore of channel, the cast of left hand handle and the cast of right handgrip, by two to lock bolt, be rotationally connected with respectively pedestal moulding the right and left mutual to perforation, the latch hook of right lock-connecting piece under the action of the spring, hook the round head bolt of left lock-connecting piece and realize interlocking, driver train comprises treadle, oval circle, step, crank teeth wheels, backgear group, flywheel and chain, crank teeth wheels are by bent axle, prime gear, two flat base bolts and two crankshaft bearinges are formed, bent axle is that the round steel of two right-angle bending and a disk are welded, prime gear is a nylon gear, the boss that the right flank of prime gear has one to correspond to two front bearing endoporus, the boss of prime gear there is the groove corresponding to bent axle round steel, the boss of prime gear penetrates from left to right in the endoporus of two front bearings, the left head of bent axle penetrates left in the axis hole of prime gear, again two flat base bolts are penetrated in two connecting bores of bent axle disk with in the through hole of prime gear, and be fastened in the nut on the left of prime gear, again two crankshaft bearinges are socketed on two of bent axle, rear class gear cluster is by rear class gear, rear axle and sprocket wheel are formed, rear axle penetrates in the endoporus of two rear bearings, rear class gear is fastened to the left head of rear axle, sprocket wheel is fastened to the right head of rear axle, flywheel is installed on the right side of trailing wheel, chain is wire-wrapped in sprocket wheel and flywheel, two treadle turning sets are connected to two of fix shaft, two oval lap weldings are connected to the below in two treadle front portions, oval circle is the bending Long Circle circle of sheetmetal of flat strip shaped, two oval circles are slidably socketed on two crankshaft bearinges of crank teeth wheels, two steps are rotationally connected with the rear end of two treadles, step is made up of base plate and panel, base plate is oblong plastic flagstone, there is the lower prominent of two ear shapes the bottom surface of base plate, two ear shapes prominent under base plate have mutual to perforation, base plate two ear shape upper mutual to perforation by being connected with rear circle of treadle lock bolt, panel is placed on base plate by bolt.

The beneficial effects of the utility model are: the utility model vehicle body main part adopts the plastics main part of band inserts, make the utility model good looking appearance and smoothness, and coordinate accurate, easy to assembly, low cost of manufacture, and make whole vehicle body welding, the class of this utility model is increased; Oval circle is welded in the below of the treadle front portion of driver train, and make the assembly of driver train less, structure is simpler; Step adopts base plate and panel to form, base plate two ear shape is by being rotationally connected the rear circle of lock bolt and treadle, not only make two steps and car load of the present utility model is more attractive in appearance, to ride comfort level better, and two steps are more drawn close to centre, make the moment swung of bipod override type less, more natural when this car is ridden, ride and more easily grasp.

accompanying drawing illustrates:

Fig. 1 is structural representation of the present utility model

Fig. 2 is the organigram of the utility model main part

Fig. 3 is the organigram of the utility model main part inserts

Fig. 4 is the structural representation of the utility model folding connecting rod

Fig. 5 is that the utility model hand is the organigram of pedestal

Fig. 6 is the structural representation of the left lock-connecting piece of the utility model and right lock-connecting piece

Fig. 7 is the structural representation of the utility model crank teeth wheels and rear class gear cluster

Fig. 8 is that the utility model V-shaped folding hand is folding rear schematic diagram

Fig. 9 is the utility model folding process schematic diagram

Figure 10 is that the utility model folds complete figure

In figure: 1---side arm, 2---vehicle body, 3---folding connecting rod, 4---front fork, 5---V-shaped folding hand handle, 6---front-wheel, 7---trailing wheel, 8---driver train; Wherein side arm 1 also comprises: 11---front head tube, and 12---down tube, 13---the first engaging lug, 14---the second engaging lug; Vehicle body 2 also comprises: 21---main part, and 22---left back wheel fork, 23---right back wheel fork, 24---front bearing, 25---rear bearing; Main part 21 also comprises: 211---annular insert, and 212---fix shaft, 213---the first connection pipe, 214---the second connection pipe; Folding connecting rod 3 also comprises: 31---front rod, and 32---rear linking rod, 33---snap close, 34---little spring, 35---ball-headed bolt; V-shaped folding hand also comprises 5: 51---hand pedestal, 52---left hand handle, 53---right handgrip, 54---left lock-connecting piece, 55---right lock-connecting piece; Left lock-connecting piece 54 also comprises: 541---plagiocephaly barrel, and 542---round head bolt, 543---nut; Right lock-connecting piece 55 also comprises: 551---channel, and 552---latch hook, 553---to connecting bolt, 554---spring, 555---dowel bolt; Driver train 8 also comprises: 81---treadle, and 82---oval circle, 83---step, 84---crank teeth wheels, 85---backgear group, 86---flywheel, 87---chain.

detailed description of the invention:

According to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Fig. 7, the portable pedal-sliding vehicle of described band inserts plastics main part, comprise side arm 1, vehicle body 2, folding connecting rod 3, front fork 4, V-shaped folding hand 5, front-wheel 6, trailing wheel 7 and driver train 8.

Described side arm 1 comprises front head tube 11, down tube 12, first engaging lug 13 and the second engaging lug 14, described down tube 12 is rectangular tubes that oblique angle is in the same way cut at a two, the front end Dou Chong of described down tube 12 upper and lower surface has arc opening, the front end of described down tube 12 is welded in the lower end of described front head tube 11, first engaging lug 13 described in the welding of rear end of described down tube 12, the second described engaging lug 14 is welded in the top of described down tube 12 and described front head tube 11 weld, the first described engaging lug 13 and the second described engaging lug 14, all that the two sides of flute profile have a mutual flute profile blanked part to perforation.

Described vehicle body 2 comprises main part 21, left back wheel fork 22, right back wheel fork 23, front bearing 24 and rear bearing 25, described main part 21 is the plastic injection pieces being embedded with metal insert, the annular insert 211 that band iron is bent into is inlaid with in described main part 21, the first connection pipe 213 is welded in the front end of described annular insert 211, the second connection pipe is welded on the upper top of described annular insert 211, described annular insert 211 between the first described connection pipe 213 and the second described connection pipe 214 is welded with fix shaft 212, the first described connection pipe 213 and the second described connection pipe 214 are blanks of metal tube, described fix shaft 212 is the smaller metal circular shafts in bigger two, middle part, a tapped bore is respectively with at the center of described fix shaft 212 two ends end points, counterbore before left side in the middle part of described main part 21 has one, in the front counterbore of described main part 21, with the right side corresponding to main part 21 described in front counterbore place respectively with a mutually corresponding front bearing counterbore, through hole before having one in the front bearing counterbore that described main part 21 liang is mutually corresponding, the coherent rear counterbore in the back lower place of counterbore before described main part 21, in the rear counterbore of described main part 21, with the right side corresponding to main part 21 described in rear counterbore place respectively with a mutually corresponding rear bearing counterbore, the rear portion of described main part 21 and rear end are respectively with the perforation of a transverse direction, the perforation at described main part 21 rear portion is connected left back wheel fork 22 and right back wheel fork 23 by two to lock bolt with the perforation of described main part 21 rear end, described left back wheel fork 22 and described right back wheel fork 23 are metal flat pipes, the front end of described left back wheel fork 22 and described right back wheel fork 23 and the anterior left and right sides, respectively have one mutual to perforation, front portion in described left back wheel fork 22 and described right back wheel fork 23 pore is plugged with nylon plug, the transverse direction of nylon plug has two to perforation, two couples perforation of nylon plug corresponds to the two mutual to perforation of described left back wheel fork 22 and described right back wheel fork 23, the rear end of described left back wheel fork 22 and described right back wheel fork 23 is flattened, flattening place of described left back wheel fork 22 and described right back wheel fork 23 has U-lag backward, a front bearing 24 is respectively inlayed in two front bearing counterbores of described main part 21, a lining ring is also lined with between two front bearings 24 on described main part 21, described front bearing 24 is deep groove ball bearings of 6810 models, a rear bearing 25 is respectively inlayed in two rear bearing counterbores of described main part 21, a lining ring is also lined with between two rear bearings 25 on described main part 21, described rear bearing 25 is deep groove ball bearings of 6902 models, trailing wheel 7 is connected in the U-lag of described left back wheel fork 22 and described right back wheel fork 23 by hind axle, described trailing wheel 7 is inflated wheel of 8 inches, described first connection pipe 213 is connected by rotating with the first described engaging lug 13 to lock bolt.

Described folding connecting rod 3 comprises front rod 31, rear linking rod 32, snap close 33, little spring 34 and ball-headed bolt 35, described front rod 31 is that the modification of below respectively with a cross-perforating at front end and rear portion strengthens nylon rod like parts, the rear portion of described front rod 31 has about one to wearing longitudinal elongated hole, the bottom of described front rod 31 elongated hole is connected with the depression of flute profile, snap close 33 and little spring 34 are installed in the elongated hole of described front rod 31, described snap close 33 is by push button, locking plate and tie bolt are formed, push button is the Plastic Parts that the front portion of oval sheet bottom surface has a square-tube-shaped outstanding, the square-tube-shaped that push button is given prominence to puts into the rear end of front rod elongated hole downwards, again little spring 34 is put into from bottom to top the elongated hole of described front rod 31, and the front end in the square-tube-shaped that two of little spring 34 is given prominence to against push button and described front rod 31 elongated hole, again locking plate is combined on the outstanding square-tube-shaped of push button, penetrate in the hole of locking plate with tie bolt, and be fastened to push button and give prominence in the pore of square-tube-shaped, little spring 34 is made to be positioned the front portion of locking plate, in the front portion of push button and the elongated hole of front rod, locking plate is made to slide in the groove-shaped depression of the bottom of described front rod 31 elongated hole, the front perforation of described front rod 31 is by being rotationally connected lock bolt and described second engaging lug 14, the rear perforation of described front rod 31 is by being rotationally connected the engaging lug of lock bolt and described rear linking rod 32 front end, described rear linking rod 32 is parts that an engaging lug is respectively welded at the two ends of a rectangular tube, the two sides of described rear linking rod 32 front and back end two engaging lug respectively have one mutual to perforation, the top of described rear linking rod 32 rectangular tube front end is twisted and is connect a ball-headed bolt 35, the engaging lug of described rear linking rod 32 rear end is by being rotationally connected the second connection pipe 214 of lock bolt and described main part 21, ball-headed bolt 35 above described rear linking rod 32 can be connected to described snap close 33 interlocking on described front rod 31.

Described front fork 4 comprises Y-piece and front fork tube, Y-piece is that circular hole is arranged at top, there are the mutual parts to perforation two lower ends, the circular hole at Y-piece top welds with the lower end of front fork tube, front fork tube is the threaded pipe in top, described front fork 4 by seven bowls and described before head tube 11 be rotatably connected, described front-wheel 6 is installed on the mutual in perforation of described front fork 4 liang of lower ends, and described front-wheel 6 is 7 inches of inflated wheel.

Described V-shaped folding hand is 5, comprise hand pedestal 51, left hand is 52, right handgrip 53, left lock-connecting piece 54, right lock-connecting piece 55, described hand is made up of pedestal 51 pedestal moulding and interior poling, described interior poling comprises pipe and two bolts, the outer tube diameter gear hobbing on described interior poling pipe top, the lower end of described interior poling pipe is with angle, a bolt is respectively welded in the both sides on described interior poling pipe top, the bolt that the related both sides, top of described interior poling connect together injection moulding in described pedestal moulding, described pedestal moulding becomes upper base long, to go to the bottom short isosceles trapezoid shape, the right and left of described pedestal moulding has groove, the groove on the described pedestal moulding left side is opening groove left, groove on the right of described pedestal moulding is opening groove to the right, the right and left top of described pedestal moulding is U-lag, bottom is flat-bottom slot, the U-lag of the right and left of described pedestal moulding with described left hand corresponding for the caliber of 52 and described right handgrip 53, the both sides of described pedestal moulding the right and left flat-bottom slot respectively have one mutual to perforation, described hand is poling in pedestal 51, coordinate bowl-type pad, hanging bolt and slope nut, penetrate in the front fork tube of described front fork 4, tighten hanging bolt, slope nut and described hand is made poling in pedestal 51 to be tightened up and misplace, thus make described hand that poling in pedestal 51 is fixedly connected in front fork tube, described left hand is 52 and described right handgrip 53, connected and composed by pipe and cast, described left hand is 52 and the pipe upper bend of described right handgrip 53, described left hand is connected cast 52 with the bottom of described right handgrip 53 pipe.

Described left lock-connecting piece 54 is by a plagiocephaly barrel 541, one round head bolt 542 and a nut 543 are formed, described plagiocephaly barrel 541 is that an of barrel makes plagiocephaly, the head of described plagiocephaly barrel 541 and described left hand are the lower weld of 52, twist in the tapped bore of described plagiocephaly barrel 541 and connect described round head bolt 542, the nut 543 connect described in one is also twisted at the stubborn place of connecing of described round head bolt 542 and described plagiocephaly barrel 541, described right lock-connecting piece 55 is by channel 551, latch hook 552, to connecting bolt 553, spring 554 and dowel bolt 555 are formed, described channel 551 is opening flute profiles backward, the right head of described channel 551 is plagiocephaly, the both sides up and down of described channel 551 flute profile left part have mutual to perforation, a tapped bore is had in the middle part of the flute profile of described channel 551, the right head of described channel 551 and the lower weld of described right handgrip 53, mutual perforation is rotationally connected connecting bolt 553 and the collar aperture in the middle part of described latch hook 552 by described in described channel about 551 both sides, described latch hook 552 is that left end becomes hook-type, there is collar aperture at middle part, the parts of right part band handle, the handle of described latch hook 552 there is an elongated hole, the elongated hole of described latch hook 552 is corresponding with the tapped bore of described channel 551, between the tapped bore that described spring 554 is positioned over described channel 551 and the elongated hole of described latch hook 552, penetrate in spring 554 in the elongated hole of described latch hook 552 He described with described dowel bolt 555, be screwed into again in the tapped bore of described channel 551.

Described left hand is the cast of the cast of 52 and described right handgrip 53, by two to lock bolt, be rotationally connected with respectively described pedestal moulding the right and left mutual to perforation, left hand described in expansion is 52 and described right handgrip 53, the described latch hook 552 of described right lock-connecting piece 55 is under the effect of described spring 554, the described round head bolt 542 of described left lock-connecting piece 54 can be hooked instantaneously, mutual interlocking between described right lock-connecting piece 55 and described left lock-connecting piece 54, the left hand described in realization 52, described right handgrip 53 and described hand be interfixing between pedestal 51.

Described driver train 8 comprises treadle 81, oval circle 82, step 83, crank teeth wheels 84, backgear group 85, flywheel 86 and chain 87, described treadle 81 is short pipes of each vertical welding in front and back end one of a flat pipe, oval circle 82 is welded in the bottom surface of described treadle 82 front portion, described oval circle 82 is bending Long Circle circles of sheetmetal of flat strip shaped, described treadle about 82 points two, the front pipe pore of treadle 82 described in two and two of described fix shaft 212 rotate and are socketed, then in the tapped bore at described fix shaft 212 two ends, each use one bolt coordinates stubborn the connecing of a pad wherein to locate, two oval circles are slidably socketed on two crankshaft bearinges of described crank teeth wheels 84, the rear pipe pore of treadle 81 described in two is by mutual being rotationally connected perforation to lock bolt and two step 83 base plate two ear shapes, described step 83 is made up of base plate and panel, described base plate is oblong plastic flagstone, there is convex tendon upwards at the oblong edge of described base plate, the middle part of described base plate is distributed with convex tendon upwards, with salient point upwards on convex tendon in the middle part of described base plate, there are lower two prominent ear shapes the bottom surface of described base plate, two ear shapes have mutual to perforation, described base plate also has several connecting bore, described base plate two ear shape panel is oblong plastic flagstone, the internal diameter of the external diameter of described panel and base plate edge upwards convex tendon is corresponding, the middle part of described panel is distributed with bar hole, the bar hole of described middle panel is corresponding with convex tendon upwards in the middle part of base plate, the bottom part of described panel is furnished with several prominent stake downwards, have in the prominent stake of described panel to twist and connect hole, prominent stake bottom described panel is corresponding with the connecting bore of base plate, the prominent stake of described panel is connected with the connecting bore of base plate by bolt, described crank teeth wheels 84 comprise bent axle, prime gear, two flat base bolt and two crankshaft bearinges, described bent axle is that the round steel of two right-angle bending and a disk are welded, the round steel of described bent axle two right-angle bending, a tapped bore is respectively had at the end points center at two ends, the disk of described bent axle there are an axis hole and two connecting bores, the right head of two right-angle bending round steel of described bent axle penetrates from left to right in the axis hole of described bent axle disk, then the middle part of two right-angle bending round steel of described bent axle is welded with the middle part of described bent axle disk left surface, described prime gear is the nylon gear of one or two mould 43 tooth, the boss that the right flank of described prime gear has one to correspond to front bearing 24 endoporus described in two, the boss of described prime gear there is the groove corresponding to described bent axle round steel, described prime gear there is the axis hole that runs through left and right side, the left surface of described prime gear has two hexagonal counterbores, two hexagonal counterbores are connected with through hole to the right, a nut is respectively inlayed in two hexagonal counterbores of described prime gear, the boss of described prime gear penetrates from left to right in the endoporus of front bearing described in two 24, the left head of described bent axle penetrates left in the axis hole of described prime gear, and win left, again two flat base spiral shells are penetrated in two connecting bores of bent axle disk with in the through hole of prime gear, and be fastened in the nut on the left of prime gear, again two crankshaft bearinges are socketed on two of bent axle, and be fastened to two bolts in the tapped bore of crankshaft two end and locate, described crankshaft bearing is the deep groove ball bearing of 6001 models, described rear class gear cluster 85 is by rear class gear, rear axle and sprocket wheel are formed, described rear axle is the axle of two with reverse thread, described rear axle penetrates in the endoporus of described two rear bearings 25, described rear class gear is the aluminium extruded type gear of two mould 13 teeth, reverse thread has been attacked in the axle center hole of described rear class gear, described rear class gear is fastened to the left head of described rear axle, described rear class gear coordinates with described prime gears meshing, described sprocket wheel is the sprocket wheel of four point of ten octadentate, reverse thread has been attacked in the axle center hole of described sprocket wheel, described sprocket wheel is fastened to the right head of described rear axle, described flywheel is installed on the right side of described trailing wheel 7, described flywheel 86 is nine tooth flywheels, described chain 87 is wire-wrapped in described sprocket wheel and described flywheel 86.

Claims (9)

1. the portable pedal-sliding vehicle with inserts plastics main part, comprise side arm, vehicle body, folding connecting rod, front fork, V-shaped folding hand handle, front-wheel, trailing wheel and driver train, it is characterized in that: side arm comprises front head tube, down tube, the first engaging lug and the second engaging lug, down tube is a rectangular tube, the first engaging lug is welded in the rear end of down tube, the front end of down tube is welded in the lower end of front head tube, and the second engaging lug is welded in the top of down tube and front head tube weld, vehicle body is by main part, left back wheel fork, right back wheel fork, two front bearings and two rear bearings are formed, main part is the Plastic Parts being embedded with inserts, the annular insert that band iron is bent into is inlaid with in main part, annular insert is welded with fix shaft, first connection pipe and the second connection pipe, counterbore before left side in the middle part of main part has one, in the front counterbore of main part, with the right side corresponding to front counterbore place main part respectively with a mutually corresponding front bearing counterbore, through hole before having one in the front bearing counterbore that main part two is mutually corresponding, the coherent rear counterbore in the back lower place of counterbore before main part, in the rear counterbore of main part, with the right side corresponding to rear counterbore place main part respectively with a mutually corresponding rear bearing counterbore, the rear portion of main part and rear end are respectively with the perforation of a transverse direction, the perforation at main part rear portion is connected left back wheel fork and right back wheel fork by two to lock bolt with the perforation of main part rear end, a front bearing is respectively inlayed in two front bearing counterbores of main part, a rear bearing is respectively inlayed in two rear bearing counterbores of main part, trailing wheel is installed on the rear end of left back wheel fork and right back wheel fork, first connection pipe is connected by rotating with the first engaging lug to lock bolt, folding connecting rod comprises front rod, rear linking rod, snap close, little spring and ball-headed bolt, front rod is the plastics rod like parts of below respectively with a cross-perforating at front end and rear portion, there is about one through elongated hole at the rear portion of front rod, snap close and little spring are installed in the elongated hole of front rod, the front perforation of front rod is by being rotationally connected lock bolt and the second engaging lug, the rear perforation of front rod is rotationally connected by the engaging lug of the front end to lock bolt and rear linking rod, rear linking rod is the parts that an engaging lug is respectively welded at the two ends of a rectangular tube, the top of rear linking rod rectangular tube front end is twisted and is connect a ball-headed bolt, the engaging lug of rear linking rod rear end is by being rotationally connected the second connection pipe of lock bolt and main part, ball-headed bolt above rear linking rod can by the snap close interlocking on front rod, front fork and front head tube are rotationally connected, front-wheel is installed on front fork, V-shaped folding hand handle is quick interlocking formula V-shaped folding hand handle, comprise hand pedestal, left hand handle, right handgrip, left lock-connecting piece, right lock-connecting piece, hand is made up of pedestal pedestal moulding and interior poling, interior poling injection moulding is in pedestal moulding, the right and left of pedestal moulding has groove, the right and left top of pedestal moulding is U-lag, bottom is flat-bottom slot, the both sides of pedestal moulding the right and left flat-bottom slot respectively have one mutual to perforation, hand coordinates pedestal with bowl-type pad by interior poling, hanging bolt and slope nut, be fixedly connected in the front fork tube of front fork, left hand is the parts being connected cast with the right handgrip bottom that is pipe, the plagiocephaly barrel of the left lock-connecting piece of lower weld of left hand handle, left lock-connecting piece is by a plagiocephaly barrel, one round head bolt and a nut are formed, twist in plagiocephaly barrel and connect round head bolt, the stubborn place of connecing of round head bolt and plagiocephaly barrel also twists and connects a nut, the channel of the right lock-connecting piece of lower weld of right handgrip, right lock-connecting piece is by channel, latch hook, to connecting bolt, spring and dowel bolt are formed, the both sides up and down of the flute profile left part of channel have mutual to perforation, a tapped bore is had in the middle part of the flute profile of channel, the upper and lower both sides of channel mutual to perforation by being rotationally connected the collar aperture in the middle part of connecting bolt and latch hook, latch hook is that left end becomes hook-type, there is collar aperture at middle part, the parts of right part band handle, the handle of latch hook there is an elongated hole, spring is positioned between the tapped bore of channel and the elongated hole of latch hook, penetrate with dowel bolt in the elongated hole of latch hook with in spring, be screwed into again in the tapped bore of channel, the cast of left hand handle and the cast of right handgrip, by two to lock bolt, be rotationally connected with respectively pedestal moulding the right and left mutual to perforation, the latch hook of right lock-connecting piece under the action of the spring, hook the round head bolt of left lock-connecting piece and realize interlocking, driver train comprises treadle, oval circle, step, crank teeth wheels, backgear group, flywheel and chain, crank teeth wheels are by bent axle, prime gear, two flat base bolts and two crankshaft bearinges are formed, bent axle is that the round steel of two right-angle bending and a disk are welded, prime gear is a nylon gear, the boss that the right flank of prime gear has one to correspond to two front bearing endoporus, the boss of prime gear there is the groove corresponding to bent axle round steel, the boss of prime gear penetrates from left to right in the endoporus of two front bearings, the left head of bent axle penetrates left in the axis hole of prime gear, again two flat base bolts are penetrated in two connecting bores of bent axle disk with in the through hole of prime gear, and be fastened in the nut on the left of prime gear, again two crankshaft bearinges are socketed on two of bent axle, rear class gear cluster is by rear class gear, rear axle and sprocket wheel are formed, rear axle penetrates in the endoporus of two rear bearings, rear class gear is fastened to the left head of rear axle, sprocket wheel is fastened to the right head of rear axle, flywheel is installed on the right side of trailing wheel, chain is wire-wrapped in sprocket wheel and flywheel, two treadle turning sets are connected to two of fix shaft, two oval lap weldings are connected to the below in two treadle front portions, oval circle is the bending Long Circle circle of sheetmetal of flat strip shaped, two oval circles are slidably socketed on two crankshaft bearinges of crank teeth wheels, two steps are rotationally connected with the rear end of two treadles, step is made up of base plate and panel, base plate is oblong plastic flagstone, there is the lower prominent of two ear shapes the bottom surface of base plate, two ear shapes prominent under base plate have mutual to perforation, base plate two ear shape upper mutual to perforation by being connected with rear circle of treadle lock bolt, panel is placed on base plate by bolt.

2. the portable pedal-sliding vehicle of band inserts plastics main part according to claim 1, it is characterized in that: described down tube is the rectangular tube that oblique angle is in the same way cut at a two, the front end Dou Chong of described down tube upper and lower surface has arc opening, the first described engaging lug and the second described engaging lug are all that the two sides of flute profile have a mutual flute profile blanked part to perforation.

3. according to the portable pedal-sliding vehicle of the band inserts plastics main part described in claim 1, it is characterized in that: the first connection pipe is welded in the front end of described annular insert, the second connection pipe is welded on the upper top of described annular insert, described annular insert between the first described connection pipe and the second described connection pipe is welded with fix shaft, the first described connection pipe and the second described connection pipe are the blanks of metal tube, described fix shaft is the smaller metal circular shaft in bigger two, middle part, and a tapped bore is respectively with at the center of described fix shaft two ends end points.

4. the portable pedal-sliding vehicle of band inserts plastics main part according to claim 1, it is characterized in that: described left back wheel fork and described right back wheel fork are metal flat pipes, the front end of described left back wheel fork and described right back wheel fork and the anterior left and right sides, respectively have one mutual to perforation, front portion in described left back wheel fork and described off hind wheel breeches pipe hole is plugged with nylon plug, the transverse direction of nylon plug has two to perforation, two couples perforation of nylon plug corresponds to the two mutual to perforation of described left back wheel fork and described right back wheel fork, the rear end of described left back wheel fork and described right back wheel fork is flattened, flattening place of described left back wheel fork and described right back wheel fork has U-lag backward.

5. the portable pedal-sliding vehicle of band inserts plastics main part according to claim 1, it is characterized in that: between two front bearings on described main part, be also lined with a lining ring, described front bearing is the deep groove ball bearing of 6810 models, also be lined with a lining ring between two rear bearings on described main part, described rear bearing is the deep groove ball bearing of 6902 models.

6. the portable pedal-sliding vehicle of band inserts plastics main part according to claim 1, it is characterized in that: the bottom of described front rod elongated hole is connected with the depression of flute profile, described snap close is by push button, locking plate and tie bolt are formed, push button is the Plastic Parts that the front portion of oval sheet bottom surface has a square-tube-shaped outstanding, the square-tube-shaped that push button is given prominence to puts into the rear end of front rod elongated hole downwards, again little spring is put into from bottom to top the elongated hole of described front rod, and the front end in the square-tube-shaped that two of little spring is given prominence to against push button and described front rod elongated hole, again locking plate is combined on the outstanding square-tube-shaped of push button, penetrate in the hole of locking plate with tie bolt, and be fastened to push button and give prominence in the pore of square-tube-shaped, little spring is made to be positioned the front portion of locking plate, in the front portion of push button and the elongated hole of front rod, locking plate is slided in the groove-shaped depression of the bottom of described front rod elongated hole.

7. the portable pedal-sliding vehicle of band inserts plastics main part according to claim 1, it is characterized in that: described interior poling comprises pipe and two bolts, the outer tube diameter gear hobbing on described interior poling pipe top, the lower end of described interior poling pipe is with angle, a bolt is respectively welded in the both sides on described interior poling pipe top, described pedestal moulding becomes upper base long, to go to the bottom short isosceles trapezoid shape, the right and left of described pedestal moulding has groove, the groove on the described pedestal moulding left side is opening groove left, groove on the right of described pedestal moulding is opening groove to the right, the U-lag of the right and left of described pedestal moulding with described left hand corresponding with the caliber of described right handgrip.

8. the portable pedal-sliding vehicle of band inserts plastics main part according to claim 1, it is characterized in that: described plagiocephaly barrel is that an of barrel makes plagiocephaly, the head of described plagiocephaly barrel and the lower weld of described left hand handle, described channel is opening flute profile backward, the right head of described channel is plagiocephaly, the right head of described channel and the lower weld of described right handgrip, mutual interlocking between described right lock-connecting piece and described left lock-connecting piece, the left hand described in realization, described right handgrip and described hand interfixing between pedestal.

9. the portable pedal-sliding vehicle of band inserts plastics main part according to claim 1, it is characterized in that: described treadle is the short pipe of each vertical welding in front and back end one of a flat pipe, described treadle divides two, left and right, the front pipe pore of treadle described in two and two of described fix shaft rotate and are socketed, then in the tapped bore at described fix shaft two ends, each use one bolt coordinates stubborn the connecing of a pad wherein to locate, the rear pipe pore of treadle described in two is by mutual being rotationally connected perforation to lock bolt and two step base plate two ear shapes, there is convex tendon upwards at the oblong edge of described base plate, the middle part of described base plate is distributed with convex tendon upwards, with salient point upwards on convex tendon in the middle part of described base plate, described base plate also has several connecting bore, panel is oblong plastic flagstone, the internal diameter of the external diameter of described panel and base plate edge upwards convex tendon is corresponding, the middle part of described panel is distributed with bar hole, the bar hole of described middle panel is corresponding with convex tendon upwards in the middle part of base plate, the bottom part of described panel is furnished with several prominent stake downwards, have in the prominent stake of described panel to twist and connect hole, prominent stake bottom described panel is corresponding with the connecting bore of base plate, the prominent stake of described panel is connected with the connecting bore of base plate by bolt, the round steel of described bent axle two right-angle bending, a tapped bore is respectively had at the end points center at two ends, the disk of described bent axle there are an axis hole and two connecting bores, the right head of two right-angle bending round steel of described bent axle penetrates from left to right in the axis hole of described bent axle disk, then the middle part of two right-angle bending round steel of described bent axle is welded with the middle part of described bent axle disk left surface, described prime gear is the nylon gear of one or two mould 43 tooth, the boss that the right flank of described prime gear has one to correspond to front bearing endoporus described in two, the boss of described prime gear there is the groove corresponding to described bent axle round steel, described prime gear there is the axis hole that runs through left and right side, the left surface of described prime gear has two hexagonal counterbores, two hexagonal counterbores are connected with through hole to the right, a nut is respectively inlayed in two hexagonal counterbores of described prime gear, described crankshaft bearing is the deep groove ball bearing of 6001 models, described rear axle is the axle of two with reverse thread, described rear class gear is the aluminium extruded type gear of two mould 13 teeth, reverse thread has been attacked in the axle center hole of described rear class gear, described rear class gear coordinates with described prime gears meshing, described sprocket wheel is the sprocket wheel of four point of ten octadentate, reverse thread has been attacked in the axle center hole of described sprocket wheel, described flywheel is nine tooth flywheels.