Summary of the invention
Children's Boating vehicle that will provide a kind of good looking appearance, technique liked by children is provided. the object of the present invention is achieved like this, children's Boating vehicle, comprise roof beam structure, two paddling framves, three barrels, car chair, rear axle, two trailing wheels, three universal wheels, two domes and brake, it is characterized in that: roof beam structure comprises waveform cross bar, side arm, two rotating cylinders, back rest pipe, vertical pipe, rear axle tube, punching with holes and two prothecas, waveform cross bar is the pipe of making three continuous arc-shaped bends, three arc-shaped bends form wavy, bottom welding one barrel in the middle of waveform cross bar, side arm is that after the draw down of middle part, curved pipe is rolled forward at two again, two angulus posteriomedialises that formed side arm can wrap the round wall of two rotating cylinders, side arm rolls forward curved two ends and closes up, and weld with the middle of waveform cross bar, the each welding of round wall one rotating cylinder of side arm two angulus posteriomedialises, rotating cylinder is the short tube that pipe is prescinded, after short tube and side arm welding, in short tube, be pressed into plastic backing member, the parts of a bearing are respectively inlayed at two up and down of plastic backing member, two rotating cylinders become laterally shape side by side, back rest pipe is that be pressed into the ellipse of horizontal ellipse in front portion with pipe tubular, the ellipse that is pressed into vertical ellipse at rear portion is tubular, back rest pipe rear end have up and down an arc opening, the front end of back rest pipe and the welding of the rear end face of side arm, the arc opening of back rest pipe rear end welds vertical pipe, vertical pipe is the pipe of middle part with arc-shaped bend, the left and right sides of vertical pipe bottom is with arc opening, the arc opening welding rear axle tube of vertical pipe bottom, a punching with holes is welded in the vertical top of pipe and the top of back rest pipe rear end, punching with holes connects a car chair, the each socket in two one protheca of waveform cross bar, rear axle tube connects two trailing wheels by a rear axle, paddling frame comprises draws bar, handgrip and grip, draw bar and be a horizontal metal round rod of 10 millimeters of rectangular Φ of bending upwards, draw bar and upwards in the middle of the rectangular end points of bending, have a screwed hole, draw the side welding of the lower end of the horizontal other end of bar and handgrip, with the vertical horizontal formation right angle with drawing bar of the handgrip of drawing bar transverse weld, bending backward with the handgrip bottom of drawing bar welding, barrel is welded in the pore of lower end of handgrip, handgrip is the metal circular tube at the rectangular arc-shaped bend in middle part, on handgrip, be socketed grip, two paddling framves divide left and right to arrange in pairs, by in one of two strokes of bar right-angle bendings dead eye that penetrates into from bottom to top respectively two rotating cylinders, and two domes are placed on to the end points place of two strokes of bar right-angle bendings and the top of two rotating cylinders, penetrate with two hexagon socket head cap screws in the hole of two domes, and twist and receive in the screwed hole of end points of two strokes of bar right-angle bendings, one universal wheel is fastened in the barrel of waveform cross bar bottom by wheel fork bolt, and other two universal wheels are fastened in two barrels of two handgrip lower ends by wheel fork bolt, brake comprises brake lever, the line of stopping, brake mount, spring base, brake lever, to lock bolt, spring and eye bolt, brake lever is installed on the handgrip of right paddling frame of two paddling framves, brake mount is the band iron that two is bent into channel to the right, the right part of the two sides of brake mount flute profile has mutual to perforation, brake mount is welded in the right flank of vertical pipe bottom, spring base is welded in the right flank of the back rest pipe of brake mount front upper place, brake lever is the band iron of a primary drying hole downward right-angle bending, again at one section of tubule of the middle part of band iron welding, by the pore of brake lever tubule corresponding to brake mount mutual to perforation, with lock bolt is penetrated brake mount mutual in perforation and in the pore of brake lever, and to twisting, brake lever is rotationally connected with in brake mount, eye bolt penetrates in the punching of brake lever, one of line of stopping is connected in brake lever, stop the other end of line penetrate in spring base and spring in, the stop other end of line penetrates in the hole of eye bolt again, and twist and connect with a nut and eye bolt, the other end of the line of stopping is fixed on to of brake lever band punching, pull brake lever, the twitch of line of stopping drives the rotation at brake lever two, make of brake lever can check the off hind wheel of two trailing wheels.
The invention has the beneficial effects as follows: the present invention is simple in structure, the smoothness that has attractive appearance, function playing method are various; Before can two hands, push away with post-tensioning and make it to move ahead fast, also can two handwheels make it to move ahead fast for a hand push, one pull, all right, an alone hand push draws and makes it along the cast of certain limit to move ahead; Brake of the present invention is also simple, unique.
Brief description of the drawings
Fig. 1 is structure of the present invention and schematic appearance;
Fig. 2 is the post-tensioning of the present invention figure that moves ahead;
Fig. 3 pushes off and tries hard to before the present invention;
Fig. 4 is that the Zola of the present invention right side pushes away the figure that moves ahead;
Fig. 5 is that the right side of the present invention draws a left side to push away the figure that moves ahead;
Fig. 6 is the vanning schematic diagram of folding of the present invention;
In figure: 1---roof beam structure, 2---paddling frame, 3---barrel, 4---car chair, 5---rear axle, 6---trailing wheel, 7---universal wheel, 8---dome, 9---brake; Its middle beam frame 1 also comprises: 11---waveform cross bar, and 12---side arm, 13---rotating cylinder, 14---back rest pipe, 15---vertical pipe, 16---rear axle tube, 17---punching with holes, 18---protheca; Paddling frame 2 also comprises: 21---draw bar, 22---and handgrip, 23---grip; Brake 9 also comprises: 91---brake lever, and 92---the line of stopping, 93---brake mount, 94---spring base, 95---brake lever.
Detailed description of the invention
According to Fig. 1, Fig. 3, described children's Boating vehicle; Comprise roof beam structure 1, paddling frame 2, barrel 3, car chair 4, rear axle 5, trailing wheel 6, universal wheel 7, dome 8 and brake 9;
Described roof beam structure 1 comprises that roof beam structure comprises waveform cross bar 11, side arm 12, rotating cylinder 13, back rest pipe 14, vertical pipe 15, rear axle tube 16, punching 17 with holes and protheca 18, described waveform cross bar 11 is that a pipe is pressed into three continuous continuous arc-shaped bends, three arc-shaped bends of described waveform cross bar 11 form wavy, bottom welding one barrel 3 in the middle of described waveform cross bar 11, described barrel 3 is seamless metal pipes that in an endoporus, tapping becomes screwed hole, described barrel 3 with described waveform cross bar 11 bottom weldings, the vertical configuration vertical with 11 one-tenth of described waveform cross bars, described side arm 12 is that after the middle part draw down of a pipe, two is rolled forward curved again, 12 liang of angulus posteriomedialises of side arm described in having formed can wrap the round wall of two rotating cylinders 13, described side arm 12 rolls forward curved two ends and closes up, and weld with the middle of described waveform cross bar 11, the each welding of round wall one rotating cylinder 13 of 12 liang of angulus posteriomedialises of described side arm, described rotating cylinder 13 with the round wall welding of 12 liang of angulus posteriomedialises of described side arm, be vertical vertical with described side arm 12, described rotating cylinder 13 comprises short tube, plastic backing member and bearing, short tube is that metal circular tube is cut into short tube, plastic backing member is the working of plastics of a circular tube shaped, two up and down in described plastic backing member pore respectively have one can embedded bearing step, there is cast evagination the bottom of described plastic backing member, in short tube, inlay described plastic backing member, at each embedding one bearing in two up and down of described plastic backing member.
Described back rest pipe 14 is that be pressed into the ellipse of horizontal ellipse in front portion with pipe tubular, the ellipse that is pressed into vertical ellipse at rear portion is tubular, described back rest pipe 14 rear ends have up and down an arc opening, the arc opening of described back rest pipe 14 rear ends is corresponding with the external diameter of described vertical pipe 15, described back rest pipe 14 respectively has Process for Effluent hole near the below of front and back end, the rear end face welding of the front end of described back rest pipe 14 and described side arm 12, the arc opening of described back rest pipe 14 rear ends welds vertical pipe 15, the right flank of described back rest pipe 14, also be welded with the little pipeloop of wearing brake cable, described vertical pipe 15, that middle part is with the pipe of arc-shaped bend backward, the left and right sides of described vertical pipe 15 bottoms is with arc opening, the arc opening of described vertical pipe 15 bottoms is corresponding with rear axle tube 16, the described rear axle tube 16 of arc opening welding of described vertical pipe 15 bottoms, be positioned at the top of described vertical pipe 15 and a punching 17 with holes is welded in the top of described back rest pipe 14 rear ends, described punching with holes 17, in the rectangular metal sheet that respectively has a punching near the right and left place.
In described punching with holes 17, connect a car chair 4 by two pairs of bolt and nuts, described car chair 4 be the top of backrest with the left and right at handgrip hole, cushion middle part respectively with children's blown type car chair of a connecting hole, the each socket in two one protheca 18 of described waveform cross bar 11, described protheca 18 is universal grips of the use of child's bicycle.
Described rear axle 5 is that two is respectively with the metal round rod of 8 millimeters of externally threaded Φ, described rear axle 5 penetrates in the pore of described rear axle tube 16, two of described rear axle 5 is equidistant exposing in the pore of described rear axle tube 16, expose each socket one trailing wheel 6 in place at described rear axle 5 two, described trailing wheel 6 is PU wheels of plastic wheel hub, a bearing is respectively inlayed in the both sides of the core wheel of PU wheel, between two bearings, serve as a contrast a lining ring, described in two, trailing wheel 6 is the two that are connected to described rear axle 5 with the bearing holder (housing, cover) of core wheel, again described rear axle 5 two two described in each the twisting in the outside of trailing wheel 6 connect an Anti-slip nut location.
Described paddling frame 2 comprises draws bar 21, handgrip 22 and grip 23, the described bar 21 of drawing is the horizontal metal round rod of 10 millimeters of rectangular Φ of bending upwards, described stroke of bar 21 upwards has a screwed hole in the middle of the rectangular end points of bending, the described stroke of bar 21 upwards rectangular bending part of bending is socketed a lining ring, described lining ring is the round that a metal circular tube is cut into, the other end that described stroke of bar 21 is horizontal and the welding of the side of described handgrip 22 lower ends, outer end with the described handgrip 22 of the horizontal other end welding of described stroke of bar 21 in described stroke of bar 21, perpendicular section of the described handgrip 22 of described stroke of bar 21 outer ends with the horizontal formation right angle of described stroke of bar 21, the bottom of the described handgrip 22 of described stroke of bar 21 outer ends is bending backward, in the pore of described barrel 3 welding and described handgrip 22 lower ends, described handgrip 22 is rectangular arc-shaped bends of middle part system of a metal circular tube, described handgrip 22 is that an one-tenth vertically welds with described stroke of bar 21, the other end of described handgrip 22 and the described horizontal metal round rod of bar 21 of drawing form the acute angle of 20 ° forward of overlooking, on described handgrip 22, be socketed grip, described grip 22, it is the universal grip of the use of child's bicycle.
Described in two, draw in the dead eye that of bar 21 right-angle bendings penetrates into respectively rotating cylinder 13 described in two from bottom to top, two domes 8 are placed on described in two the top of rotating cylinder 13 described in the end points place and two of drawing bar 21 right-angle bendings, penetrate in the hole of dome 8 described in two with two hexagon socket head cap screws again, twist in the screwed hole of receiving described in two end points of drawing bar 21 right-angle bendings, the right side of drawing bar 21 described in two is drawn and on bar, is also welded with the little pipeloop of wearing brake cable.
Described dome 8 is middle part upthrow, the middle vinyl cover shape part that connects vertical through holes with cylindrical bore, cylindrical bore downwards.
Described universal wheel 7, comprise wheel fork part, wheel and to lock bolt, described wheel fork part comprises plastics wheel fork, two-wheeled fork bearing, spring washer and wheel fork bolt, respectively there is a counterbore centre of the top and bottom at the top of described plastics wheel fork, between two counterbores of described plastics wheel fork, there is a through hole, described plastics wheel fork two is pitched lower end to be had mutual to perforation, described plastics wheel fork two fork inner sides perforation place is respectively enclosed with prominent, in the counterbore of the top and bottom at described plastics wheel fork top, respectively inlay and take turns fork bearing, in the through hole at described plastics wheel fork top, place spring washer, described wheel fork bolt penetrates in the endoporus of two-wheeled fork bearing at described plastics wheel fork top and in spring washer from bottom to top, by the wheel fork bolt of wheel fork part described in from bottom to top, described in being screwed into, be welded in the barrel 3 of described waveform cross bar 11 bottoms, by the wheel fork bolt of two wheel fork parts from bottom to top, be screwed into respectively in two barrels 3 of handgrip 22 lower ends described in two, described wheel is that respectively take turns with the PU of a bearing on a middle two sides, between the two bearings of described wheel, be also lined with lining ring, wheel described in three by three pairs to lock bolt to be screwed to connect pitch lower end in three described plastics wheel forks two mutual to perforation in.
Described brake 9 comprises brake lever 91, the line 92 of stopping, brake mount 93, spring base 94, brake lever 95, to lock bolt, spring and eye bolt, described brake lever 91 is common bicycle brake handles, described brake lever 91 is installed on the handgrip of the right paddling frame of paddling frame 2 described in two, the described line 92 of stopping is brake cable of ordinary bicycle, described brake mount 93 is band irons of the channel that is bent into the right of two, the right part of the two sides of described brake mount 93 flute profiles has mutual to perforation, described brake mount 93 is welded in the right flank of described vertical pipe 15 bottoms, described spring base 94, it is the metal circular tube of opening 13 millimeters of the external diameter Φ of a pair of perforation in the middle of side, in the pore of 13 millimeters of metal circular tubes of Φ, put into the nut of a M6 millimeter, utilize the nut-welding with M6 millimeter to perforation of metal circular tube side, and make the screw of M6 millimeter nut and the pore of 13 millimeters of metal circular tubes of Φ in the same way, described spring base 94 is welded in the right flank of the described back rest pipe 14 of described brake mount 93 front upper places, described brake lever 95, a primary drying hole the downward right-angle bending with a band iron, the punching of described brake lever 95, to be positioned on the side of one of described brake lever 95 downward bending, again at one section of tubule of the middle part of band iron welding, by the pore of described brake lever tubule corresponding to described brake mount 93 mutual to perforation, with lock bolt being penetrated to mutual perforation is neutralized in the pore of described brake lever 95 of described brake mount 93, and to twisting, described brake lever 95 is rotationally connected with in described brake mount, eye bolt be a neck radially with the bolt of a pair of perforation, described eye bolt penetrates in the punching of described brake lever 95, one of the described line 92 of stopping is connected in described brake lever 91, described other end of stopping line 92 penetrates the right tubule circle of wearing brake cable on bar of drawing and neutralizes in the little pipeloop of wearing brake cable on described back rest pipe 14 right flanks, then penetrate in described spring base 94 and spring in, penetrate again in the hole of eye bolt, and twist and connect with a nut and eye bolt, with punching one of described brake lever 95 is fixed on in described other end of stopping line 92, pull described brake lever 91, the twitch of the described line 92 of stopping drives the rotation at described brake lever 95 two, make of described brake lever 95 can check the off hind wheel of trailing wheel 6 described in two.