CN204956799U

CN204956799U - Swift folding box portable bicycle

Info

Publication number: CN204956799U
Application number: CN201520680635.0U
Authority: CN
Inventors: 庞明方
Original assignee: Taicang Chezhongbao Leisure Products Co Ltd
Current assignee: Taicang Chezhongbao Leisure Products Co Ltd
Priority date: 2015-09-06
Filing date: 2015-09-06
Publication date: 2016-01-13
Anticipated expiration: 2025-09-06

Abstract

The utility model provides a swift folding box portable bicycle, including folding main part, the side arm, the five -way pipe, the both sides piece, the pull rod, two box pieces, the seat pipe, the saddle, the front fork, the hand (hold) is folded to the V font, the front wheel, rear wheel and actuating mechanism, folding main part is including folding box and connecting rod, the side arm is by the front -axle beam, ahead pipe and halving mechanism constitute, the ahead pipe of front -axle beam front end welding, mid -mounting halving mechanism, the connecting rod is connected to the rear end, folding box is connected at the rear portion, ahead pipe and front wheel are connected to the front fork, halving mechanism and folding box halving, the both sides chip bonding is in the both sides of folding box, both sides piece installation rear wheel, the pull rod penetrates both sides piece round hole, the seat pipe is connected with folding box and connecting rod, seat nose portion connects the saddle, two box pieces are fixed with the both sides piece, box piece rear end installation saddle pipe location is turned round, the folding hand (hold) of V font is installed in the pipe of front fork, actuating mechanism includes the axis, two cranks, the chain wheel, two pedals, the little sprocket of preceding stage, the flywheel, the little sprocket of back level, preceding stage chain and back level chain.

Description

The box portable bicycle of quick-folding

technical field:

The present invention relates to a kind of folding bicycle, particularly the box portable bicycle of a kind of quick-folding.

background technology:

The box-type folding bicycle that market is crossed, after folding just as a chest, solve the problem that some carry, but due to reasons such as structures, casing is excessive, and folding speed is also unhappy, still has a kind of imperfection and inconvenient sorry sensation.

summary of the invention:

The object of the invention is by box-type folding bicycle, folding quick, the small and exquisite more portable and more perfect box portable bicycle of quick-folding of casing to be forged into.The object of the present invention is achieved like this, the box portable bicycle of quick-folding, comprise folding main part, side arm, Five-way tube, both sides sheet, pull bar, two tanks sheet, seat pipe, vehicle seat, front fork, V-shaped folding hand handle, front-wheel, trailing wheel and driver train, it is characterized in that: folding main part comprises folded box and connecting rod, folded box is by flute profile stamping, front-axle beam is welded by sheet by sheet and seat pipe, flute profile stamping is the downward metal stamping of notch, the front portion of flute profile stamping and rear upper angle respectively have a transverse direction to perforation, the front upper welded corner joint front-axle beam of flute profile stamping is by sheet, the lower weld seat pipe of the rear side of flute profile stamping is by sheet, front-axle beam is by a sheetmetal rammed ∩ shape part by sheet, front-axle beam has a U-shaped gap by the front upper place of sheet, connecting rod is the metal pieces of two ends respectively with a cross-perforating, side arm is by front-axle beam, front head tube and interlocking mechanism are formed, front-axle beam is processed by metal oval pipe, transverse direction in the middle part of front-axle beam has one first cross-perforating, there is an elongated hole top of front-axle beam first cross-perforating, there is a circular hole below of front-axle beam first cross-perforating, there is one second cross-perforating the rear end of front-axle beam, at the little pipe of horizontal welding one at front-axle beam rear portion, the top of front-axle beam front portion also has a tapped bore, head tube before the front end welding of front-axle beam, the upper and lower side of front head tube respectively inlays a bearing, the little pipe of front-axle beam transverse direction is by being rotationally connected perforation lock bolt and flute profile stamping front cross, second cross-perforating of front-axle beam is by being rotationally connected the perforation of lock bolt and connecting rod front end transverse direction, the hole cylinder of interlocking mechanism is installed in the first cross-perforating of front-axle beam, interlocking mechanism is by hole cylinder, quick detach and safety catch are formed, quick detach is by fast dismounting handle, circle hook bolt, quick detach spring and black nut are formed, fast dismounting handle is rotationally connected by riveted joint and circle hook bolt, circle hook bolt penetrates in quick detach spring, circle hook bolt penetrates in the elongated hole of front-axle beam more from the top down with in the perforation of hole cylinder side, and then penetrate in the circular hole below front-axle beam first cross-perforating with black nut, and connect with circle hook bolt is stubborn, safety catch is by stop button, safety plate, relief spring and shear bolt are formed, stop button and safety plate are bolted the front end in fast dismounting handle elongated hole, relief spring is installed in the elongated hole of fast dismounting handle, and be positioned at the rear of stop button and safety plate, shear bolt is fastened in the tapped bore of front-axle beam, the cap head of shear bolt is corresponding with the arc opening of safety plate front end, and the cap head of safety plate and shear bolt can be carried out interlocking, Five-way tube is welded in the lower weld on rear side of folded box, Pian You front end, both sides right-angle bending to the inside, with rear portion to the inside to two right-angle bendings of rear side, and both sides sheet front inner has the rectangle aluminium flake of welding, front end and the rectangle aluminium flake of both sides sheet have circular hole, both sides sheet is welded in the both sides of folded box, the circular hole of sheet front end, both sides neutralizes in the circular hole of two rectangle aluminium flakes and penetrates pull bar, pull bar is bent into inverted bent character contour by a round steel, then at the top of being inverted bent character contour, plastic handle is installed, pull bar can in the circular hole of sheet front end, both sides and two rectangle aluminium flakes circular hole in slide anteroposterior, seat is managed and after folded box flute profile stamping, upper angle is rotationally connected, in the pore of seat pipe bottom, pipe is inlayed in socket one, the little pipe of horizontal welding one of seat pipe bottom, seat pipe inlay pipe lower end have a transverse direction to perforation, seat pipe top connects an anchor ear, the little pipe of seat pipe transverse direction is by being rotationally connected perforation upper angle transverse direction after lock bolt and folded box flute profile stamping, seat pipe lower end transverse direction to perforation by being rotationally connected the perforation of lock bolt and rod rear end transverse direction, the top of seat pipe is fixedly connected with the saddle pipe of vehicle seat by anchor ear, vehicle seat is made up of saddle and saddle pipe, saddle is connected to the top of saddle pipe, two tanks sheet is fixed by bolt and both sides sheet, the top at casing sheet rear portion is provided with saddle pipe location and turns round, front fork is managed by a ∩ shape, pipe and a front fork anchor ear are formed always, ∩ shape pipe bends to ∩ shape by pipe, and then flatten at the two ends of ∩ shape, open and clear mouth, straight pipe is welded in the top of ∩ shape pipe, straight pipe penetrates from bottom to top in the endoporus of front head tube upper and lower side bearing, and locates with the top of front fork anchor ear amplexis and straight pipe, and front-wheel is connected to two lower ends of front fork, trailing wheel is connected to two rear ends of back vent, and front-wheel and trailing wheel are all small-wheel-diameter wheels, 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 and safety device, hand is made up of pedestal pedestal moulding and interior poling, the each side riveted joint one solid-iron rivet of interior poling upper end, 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 pore of the straight pipe 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 ball-headed bolt and a nut are formed, twist in plagiocephaly barrel and connect ball-headed bolt, the stubborn place of connecing of ball-headed 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, 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 lock bolt and latch hook in the middle part of collar aperture be rotationally connected, 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, safety device comprises central siphon, flute profile button and pourable resin chock, shaft pipe welding in plagiocephaly barrel and left hand the upside of weld, flute profile button mutual to perforation and two pourable resin chocks by being rotationally connected locking bolt and central siphon, 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 ball-headed bolt of left lock-connecting piece and realize interlocking, flute profile button is buckled in the front end of latch hook, play the safety effect of latch hook and ball-headed bolt interlocking, driver train comprises axis, two cranks, chain wheel, two pedals, prime minor sprocket, flywheel, rear class minor sprocket, prime chain and rear class chain, axis is rotationally connected with in Five-way tube by axis accessory, two cranks are installed on the two ends of axis, chain wheel is fixedly connected on the crank on the right of two cranks, prime minor sprocket and flywheel coaxial sleeve are installed on the rear portion of the right sheet in the sheet of both sides, rear class minor sprocket is connected to the right side of trailing wheel, prime chain is wire-wrapped in chain wheel and prime minor sprocket, and rear class chain is wire-wrapped on flywheel and rear class minor sprocket.

The invention has the beneficial effects as follows: the ∩ shape part of folded box front upper place of the present invention, can allow ∩ shape part and front-axle beam coordinate better, the little pipe of horizontal welding at front-axle beam rear portion, the intensity allowing front-axle beam and folded box be rotationally connected is higher; The sliced pieces of connecting rod aluminium extruded type, connecting rod can be allowed to process and be more prone to, and cost is lower; The bottom of seat pipe utilizes inlays pipe in pipe, and the little pipe of lower weld of present pipe, and the intensity that invite guests to be seated pipe and folded box are rotationally connected is higher; Utilize both sides sheet to substitute original back vent, be more conducive to the fixing of casing sheet and both sides sheet; The upper and lower side embedded bearing of front head tube, front fork adopts the Guan Yuzhi pipe welding bending to ∩ shape, decreases weld, and directly pipe and front head tube upper and lower side centre bearer inner hole can be more effective, standard Du Genggao; V-shaped folding hand handle is quick interlocking formula V-shaped folding hand handle, and have employed safety catch device, makes the safety of V-shaped folding hand handle better.

accompanying drawing illustrates:

Fig. 1 is structural representation of the present invention;

The structural representation of Fig. 2 to be the present invention be non-install bin body piece;

Fig. 3 is folding principle schematic diagram of the present invention;

Fig. 4 is the structural representation that the present invention folds main part and interlocking mechanism;

Fig. 5 is the structural representation of the left lock-connecting piece of the present invention, right lock-connecting piece and safety catch;

Fig. 6 is that the present invention folds complete figure.

In figure: 1---folding main part, 2---side arm, 31---Five-way tube, 32---limit sheet, 33---pull bar, 34---casing sheet, 4---seat pipe, 5---vehicle seat, 6---front fork, 7---V-shaped folding hand handle, 81---front-wheel, 82---trailing wheel, 9---driver train; Wherein front standpipe 1 also comprises: 11---folded box, and 12---connecting rod; Side arm 2 also comprises: 21---front-axle beam, and 22---front head tube, 23---interlocking mechanism; Interlocking mechanism 23 also comprises: 231---hole cylinder, and 232---quick detach, 233---safety catch; V-shaped folding hand also comprises 7: 71---hand pedestal, 72---left hand handle, 73---right handgrip, 74---left lock-connecting piece, 75---right lock-connecting piece, 76---safety device; Left lock-connecting piece 74 also comprises: 741---plagiocephaly barrel, and 746---ball-headed bolt, 743---nut; Right lock-connecting piece 75 also comprises: 751---channel, and 752---latch hook, 753---dowel bolt; Safety device 76 also comprises: 761---central siphon, and 762---flute profile button.

Detailed description of the invention

According to Fig. 1, Fig. 2, Fig. 4 and Fig. 5, the box portable bicycle of described quick-folding, comprise folding main part 1, side arm 2, Five-way tube 31, limit sheet 32, pull bar 33, casing sheet 34, seat pipe 4, vehicle seat 5, front fork 6, V-shaped folding hand 7, front-wheel 81, trailing wheel 82 and driver train 9;

Described folding main part 1, comprise folded box 11 and connecting rod 12, described folded box 11 is by flute profile stamping, front-axle beam is welded by sheet by sheet and seat pipe, described flute profile stamping is the downward metal stamping of notch, described flute profile stamping is in longitudinally arranging, the front portion of described flute profile stamping two sides and rear upper angle respectively have a transverse direction to perforation, the front upper welded corner joint front-axle beam of described flute profile stamping is by sheet, the lower weld seat pipe of the rear side of described flute profile stamping is by sheet, described front-axle beam is by a sheetmetal rammed ∩ shape part by sheet, described front-axle beam is by the two lower ends bending laterally of the ∩ shape of sheet, described front-axle beam leans on the two ends of ∩ shape bending laterally and the front upper welded corner joint of described flute profile stamping of sheet, described front-axle beam has a U-shaped gap by the front upper place of sheet, described seat pipe is strike out wavy bending sheetmetal by sheet, described seat pipe leans on the middle part of sheet with circular arc spill, described seat pipe is by the circular arc spill of sheet, corresponding with the caliber that pipe inlayed by described seat pipe, described connecting rod is the sliced pieces of an aluminium extruded type, respectively there is a cross-perforating at the two ends of described connecting rod.

Described side arm 2, comprise front-axle beam 21, front head tube 22 and interlocking mechanism 23, described front-axle beam is processed by metal oval pipe, transverse direction in the middle part of described front-axle beam 21 has one first cross-perforating, there is an elongated hole top of described front-axle beam 21 first cross-perforating, there is a circular hole below of described front-axle beam 21 first cross-perforating, there is one second cross-perforating the rear end of described front-axle beam 21, there is opening gap backward the below of described front-axle beam 21 rear end second cross-perforating, there is a cross-perforating at the rear portion of described front-axle beam 21, welding one little pipe in described front-axle beam 21 posterior transversal perforation, the top of described front-axle beam 21 front portion also has a tapped bore, the upper and lower sides of described front-axle beam 21 front end has arc opening, the arc opening of described front-axle beam 21 front end upper and lower sides is corresponding with the caliber of described front head tube 22, the front head tube 22 described in the welding of front end of described front-axle beam 21, described front head tube is that the pore car of the upper and lower side of a pipe has the step placing bearing, a bearing is respectively inlayed in the step of the upper and lower side of described front head tube 22, be embedded in the bearing at front head tube 22 two ends, it is the deep groove ball bearing of 6905 models, the little pipe of described front-axle beam 21 posterior transversal is by being rotationally connected perforation lock bolt and described flute profile stamping front cross, second cross-perforating of described front-axle beam 21 is by being rotationally connected the perforation of lock bolt and described connecting rod 23 front end transverse direction.

The hole cylinder 231 of described interlocking mechanism 23 is installed in first cross-perforating of described front-axle beam 21, described interlocking mechanism 23, comprise hole cylinder 231, quick detach 232 and safety catch 233, described hole cylinder 231, it is the perforation that a metal cylinder circle side has a radial direction, the centre at described hole cylinder 231 two ends has the tapped bore of an axis, described hole cylinder 231 penetrates in the first cross-perforating of described front-axle beam 21, and each twisting connects a Bolt to position in the tapped bore at described hole cylinder 231 two ends, described quick detach 232 comprises fast dismounting handle, circle hook bolt, quick detach spring and black nut, fast dismounting handle is that an of trigger piece is connected with two disks arranged side by side, two disks arranged side by side there is mutual eccentric orfice, the trigger piece of described fast dismounting handle there is an elongated hole, eccentric orfice on described fast dismounting handle two disk is rotationally connected by the collar aperture of rivet with circle hook bolt, circle hook bolt penetrates in quick detach spring, penetrate from the top down again in the elongated hole of described front-axle beam 21 with in the perforation of described hole cylinder 231 side, penetrate in the circular hole below described front-axle beam 21 first cross-perforating with black nut again, and connect with circle hook bolt is stubborn.

Described safety catch 233 is by stop button, safety plate, relief spring and shear bolt are formed, stop button is made of plastics, there is lower convex square tube stop button bottom surface, there is a stubborn hole that connects upwards lower convex square tube bottom, safety plate is the Plastic Parts of a front end with arc opening, there is the perforation of a upward and downward centre of described safety plate, there is a squared counter bore top of described safety plate upward and downward perforation, the squared counter bore of described safety plate is corresponding with square tube convex under described stop button bottom surface, square tube convex under described stop button bottom surface penetrates from the top down in the elongated hole of described fast dismounting handle, and be positioned at the front end of described fast dismounting handle elongated hole, relief spring is pressed in the elongated hole of described fast dismounting handle, and the square tube that the front end of relief spring is convex under heading on described stop button bottom surface, rear end heads on the rear end of described fast dismounting handle elongated hole, then square tube convex under the squared counter bore of described safety plate being corresponded to described stop button bottom surface, penetrate in the perforation of described safety plate upward and downward from bottom to top with a flat base tap bolt, and the stubborn of convex square tube connects in hole under being fastened to described stop button bottom surface, while described safety plate and described stop button are slidably connected in the elongated hole of described fast dismounting handle, relief spring is together positioned in the elongated hole of described fast dismounting handle, shear bolt is the bolt of a cap head, shear bolt is fastened in the tapped bore of described side arm 2, the arc opening of described safety plate front end is corresponding with the cap head of shear bolt, the arc opening of described safety plate front end and the cap head of shear bolt carry out interlocking.

Described Five-way tube 31 is welded in the below on rear side of described folded box 11, described limit sheet 32 is made up of an aluminum strip tabs and rectangle aluminium flake, aluminum strip tabs is by an aluminum bar piece front end right-angle bending to the inside, rear portion two right-angle bendings to the inside and backward form, there is a circular hole at upper angle inside the bending part of aluminum strip tabs front end, there is a U-shaped gap backward aluminum strip tabs rear end, aluminum strip tabs there is several tapped bore, the inferior horn of rectangle aluminium flake and aluminum strip tabs welding edge also has a hole, rectangle aluminium flake is welded in the front portion inside aluminum strip tabs, and make the circular hole of rectangle aluminium flake inferior horn and the circular hole at angle on aluminum strip tabs front end become oblique corresponding, in the middle part of two aluminum strip tabs and the inner side at rear portion, also be welded with horizontal aluminium flake as reinforcement, thus make described limit sheet 32, the rear portion of described limit, the right sheet 32 aluminum strip tabs, be positioned at the front of two right-angle folding crooks to the inside and backward, also be fixedly connected with a minor axis, limit sheet 32 described in two is welded in the left and right sides of described folded box 11, the circular hole of both sides sheet 32 front end neutralizes in the circular hole of two rectangle aluminium flakes and penetrates described pull bar 33, described pull bar 33 is bent into the round steel of inverted bent character contour by one and a plastic handle is formed, respectively there is a pin-and-hole two rear ends that described pull bar 33 is bent into inverted bent character contour round steel, the plastic handle of described pull bar 33 is involutory by two halves plastic handle, twist through bolt and be bonded into, plastic handle is arranged on the top being bent into inverted bent character contour round steel, described pull bar 22 is bent into the two ends of inverted bent character contour round steel, penetrate two aluminum strip tabs front end circular holes to neutralize after in two rectangle aluminium flake circular holes, inserting described limit sheet 32 with two pin close-fittings is again bent in the pin-and-hole at inverted bent character contour round steel two ends, described limit sheet 32 is allowed to locate with slip in the circular hole of two rectangle aluminium flakes in the circular hole of two aluminum strip tabs front ends, described trailing wheel 82 is connected with the U-shaped gap of two rear ends of described limit sheet 32, described trailing wheel 82 is 8 inches of wheels.

Described seat pipe 4 is by pipe, inlay pipe, little pipe and pipe clamp are formed, in the pore of the pipe lower end of described seat pipe 4, pipe is inlayed in close-fitting socket one, the pipe of described seat pipe 4 and the socket place inlaying pipe together have a transverse direction to perforation, the pipe of seat pipe 4 with inlay pipe socket place little pipe is penetrated to perforation, and weld, the transverse direction of inlaying pipe lower end opens a pair perforation, that inlays pipe lower end transverse direction has a gap that Open Side Down to the front of perforation, the little pipe of described seat pipe 4 is by being rotationally connected perforation upper angle transverse direction after lock bolt and described folded box 11 flute profile stamping, the top of described seat pipe 4 connects an anchor ear, described seat pipe 4 inlay pipe lower end transverse direction to perforation by being rotationally connected lock bolt and the perforation of described connecting rod 12 rear end transverse direction, the top of described seat pipe 4 is fixedly connected with by the saddle pipe of anchor ear with described vehicle seat 5, described vehicle seat 5 is made up of saddle and saddle pipe, described saddle is the anterior Custom Prosthesis saddle shortened, described saddle is connected to the top of described saddle pipe.

Described casing sheet 34 is injection molded by plastics, there is circular hole the front portion of described casing sheet 34, the circular hole of described casing sheet 34 is corresponding with described Five-way tube 31 position, described casing sheet 34 also has several connecting bore, several tapped bore on described casing sheet 34 and two aluminum strip tabs are fixed by bolt by the connecting bore of casing sheet 34 described in two, described trailing wheel 82 coordinates with described pull bar 33, this car after folding can be towed, the top at casing sheet 34 rear portion described in two also includes saddle pipe location and turns round, saddle pipe location is turned round and is made of plastics, saddle pipe location is turned round one and is become cast, other end becomes hook-type, the top at the left box body sheet rear portion being connected to described casing sheet 34 by screws is turned round in saddle pipe location, the top at the right case sheet rear portion of described casing sheet 34 connects one and twists with to lock bolt the vertical tube caught, locating to turn round with saddle pipe coordinates hook to tie, after described seat pipe 4 and described folded box 11 and described front-axle beam 21 interlock fold, after saddle pipe location is turned round and is tied with the top vertical tube hook at right case sheet rear portion, described seat pipe 4 can be located.

Described front fork 6 comprises the pipe of ∩ shape, straight pipe and front fork anchor ear, described ∩ shape pipe bends to ∩ shape by pipe, and then flatten at the two ends of ∩ shape, open and clear mouth, the gap at described ∩ shape pipe two ends is inverted U-shaped, the straight pipe of welded top of described ∩ shape pipe, described straight pipe is the pipe of φ 24.9mm, the weld at described straight pipe and ∩ shape pipe top, also be socketed a liner, described straight pipe penetrates from bottom to top in the endoporus of described front head tube 22 upper and lower side bearing, and locate with the top of described front fork anchor ear amplexis and straight pipe, the anchor ear of described front fork anchor ear to be internal diameter be φ 24.9mm, described front fork anchor ear is processed by the aluminium extruded type segment of Ω shape, two lower ends of described front fork 6 connect front-wheel, described front-wheel 81 is 8 inches of wheels.

Described V-shaped folding hand is 7, comprise hand pedestal 71, left hand is 72, right handgrip 73, left lock-connecting piece 74, right lock-connecting piece 75 and safety device 76, described hand is made up of pedestal 71 pedestal moulding and interior poling, described interior poling is made up of pipe and two rivets, a rivet is respectively riveted in the both sides at described interior poling pipe top, described rivet is solid-iron rivet, the lower end of described interior poling pipe is with angle, the rivet of related two riveted joints in the top of described interior poling 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 72 and described right handgrip 73, 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 71, coordinate bowl-type pad, hanging bolt and slope nut, penetrate in the straight pipe of described front fork 6, tighten hanging bolt, slope nut and described hand is made poling in pedestal 71 to be tightened up and misplace, thus make described hand that poling in pedestal 71 is fixedly connected in straight pipe, described left hand is 72 and described right handgrip 73, connected and composed by pipe and cast, described left hand is 72 and the pipe upper bend of described right handgrip 73, described left hand is connected cast 72 with the bottom of described right handgrip 73 pipe.

Described left lock-connecting piece 74 comprises plagiocephaly barrel 741, ball-headed bolt 742 and nut 743, described plagiocephaly barrel 741 is that an of barrel makes plagiocephaly, the head of described plagiocephaly barrel 741 and described left hand are the lower weld of 72, twist in the tapped bore of described plagiocephaly barrel 741 and connect described ball-headed bolt 742, the nut 743 connect described in one is also twisted at the stubborn place of connecing of described ball-headed bolt 742 and described plagiocephaly barrel 741, described right lock-connecting piece 75 is by channel 751, latch hook 752, spring and dowel bolt 753 are formed, described channel 751 is opening flute profiles backward, the right head of described channel 751 is plagiocephaly, the both sides up and down of described channel 751 flute profile left part have mutual to perforation, a tapped bore is had in the middle part of the flute profile of described channel 751, the right head of described channel 751 and the lower weld of described right handgrip 73, described channel about 751 both sides mutual to perforation by lock bolt and described latch hook 752 in the middle part of collar aperture be rotationally connected, described latch hook 752 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 752 there is an elongated hole, the elongated hole of described latch hook 752 is corresponding with the tapped bore of described channel 751, between the tapped bore that described spring is positioned over described channel 751 and the elongated hole of described latch hook 752, penetrate in spring in the elongated hole of described latch hook 752 He described with described dowel bolt 753, be screwed into again in the tapped bore of described channel 751.

Described left hand is the cast of the cast of 72 and described right handgrip 73, 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 72 and described right handgrip 73, the described latch hook 752 of described right lock-connecting piece 75 is under the effect of described spring, the described ball-headed bolt 742 of described left lock-connecting piece 74 can be hooked instantaneously, mutual interlocking between described right lock-connecting piece 75 and described left lock-connecting piece 74, the left hand described in realization 72, described right handgrip 73 and described hand be interfixing between pedestal 71.

Described safety device 76 comprises central siphon 761, flute profile button 762 and pourable resin chock, described central siphon 761 is welded in described plagiocephaly barrel 741 and described left hand the upside of 72 welds, described flute profile button 762 is flute profile stampings, the both sides of one end of described flute profile button 762 flute profile have a pair mutual to perforation, the other end of described flute profile button 762 has sheet arc-shaped bend upwards, what described flute profile button 762 was mutual passes through to be rotationally connected lock bolt and described central siphon 761 to perforation and pourable resin chock described in two, and, being rotationally connected perforation and pourable resin chock described in two and described central siphon 761 that described flute profile button 762 is mutual, keep suitable elasticity, described flute profile button 761 is buckled in the front end of described latch hook 752, can reach and described latch hook 752 and described ball-headed bolt 742 are located and the safety effect of not slippage.

Described driver train 9 comprises axis, crank, chain wheel, two pedals, prime minor sprocket, flywheel, rear class minor sprocket, prime chain and rear class chain, described axis is the lengthening axis of Custom Prosthesis, described axis is rotationally connected with in described Five-way tube 31 by axis accessory, the circular hole of casing sheet front portion described in two is stretched out at two of described axis, crank described in two is installed on the two ends of described axis, described chain wheel is fixedly connected on the right crank of crank described in two, described prime minor sprocket is connected with described flywheel coaxial sleeve, connect the axle sleeve of described prime minor sprocket and described flywheel, a bearing is respectively inlayed at axle sleeve pore two ends, described prime minor sprocket and described flywheel pass through the endoporus of the two bearings in axle sleeve, be socketed on the minor axis at sheet rear portion, the right of described both sides sheet 32, described rear class minor sprocket is connected to the right side of trailing wheel 82, described prime chain is wire-wrapped on described chain wheel and described prime minor sprocket, described rear class chain is wire-wrapped on described flywheel and described rear class minor sprocket.

Claims

1. the box portable bicycle of quick-folding, comprise folding main part, side arm, Five-way tube, both sides sheet, pull bar, two tanks sheet, seat pipe, vehicle seat, front fork, V-shaped folding hand handle, front-wheel, trailing wheel and driver train, it is characterized in that: folding main part comprises folded box and connecting rod, folded box is by flute profile stamping, front-axle beam is welded by sheet by sheet and seat pipe, flute profile stamping is the downward metal stamping of notch, the front portion of flute profile stamping and rear upper angle respectively have a transverse direction to perforation, the front upper welded corner joint front-axle beam of flute profile stamping is by sheet, the lower weld seat pipe of the rear side of flute profile stamping is by sheet, front-axle beam is by a sheetmetal rammed ∩ shape part by sheet, front-axle beam has a U-shaped gap by the front upper place of sheet, connecting rod is the metal pieces of two ends respectively with a cross-perforating, side arm is by front-axle beam, front head tube and interlocking mechanism are formed, front-axle beam is processed by metal oval pipe, transverse direction in the middle part of front-axle beam has one first cross-perforating, there is an elongated hole top of front-axle beam first cross-perforating, there is a circular hole below of front-axle beam first cross-perforating, there is one second cross-perforating the rear end of front-axle beam, at the little pipe of horizontal welding one at front-axle beam rear portion, the top of front-axle beam front portion also has a tapped bore, head tube before the front end welding of front-axle beam, the upper and lower side of front head tube respectively inlays a bearing, the little pipe of front-axle beam transverse direction is by being rotationally connected perforation lock bolt and flute profile stamping front cross, second cross-perforating of front-axle beam is by being rotationally connected the perforation of lock bolt and connecting rod front end transverse direction, the hole cylinder of interlocking mechanism is installed in the first cross-perforating of front-axle beam, interlocking mechanism is by hole cylinder, quick detach and safety catch are formed, quick detach is by fast dismounting handle, circle hook bolt, quick detach spring and black nut are formed, fast dismounting handle is rotationally connected by riveted joint and circle hook bolt, circle hook bolt penetrates in quick detach spring, circle hook bolt penetrates in the elongated hole of front-axle beam more from the top down with in the perforation of hole cylinder side, and then penetrate in the circular hole below front-axle beam first cross-perforating with black nut, and connect with circle hook bolt is stubborn, safety catch is by stop button, safety plate, relief spring and shear bolt are formed, stop button and safety plate are bolted the front end in fast dismounting handle elongated hole, relief spring is installed in the elongated hole of fast dismounting handle, and be positioned at the rear of stop button and safety plate, shear bolt is fastened in the tapped bore of front-axle beam, the cap head of shear bolt is corresponding with the arc opening of safety plate front end, and the cap head of safety plate and shear bolt can be carried out interlocking, Five-way tube is welded in the bottom on rear side of folded box, Pian You front end, both sides right-angle bending to the inside, with rear portion to the inside to two right-angle bendings of rear side, and both sides sheet front inner has the rectangle aluminium flake of welding, front end and the rectangle aluminium flake of both sides sheet have circular hole, both sides sheet is welded in the both sides of folded box, the circular hole of sheet front end, both sides neutralizes in the circular hole of two rectangle aluminium flakes and penetrates pull bar, pull bar is bent into inverted bent character contour by a round steel, then at the top of being inverted bent character contour, plastic handle is installed, pull bar can in the circular hole of sheet front end, both sides and two rectangle aluminium flakes circular hole in slide anteroposterior, seat is managed and after folded box flute profile stamping, upper angle is rotationally connected, in the pore of seat pipe bottom, pipe is inlayed in socket one, the little pipe of horizontal welding one of seat pipe bottom, seat pipe inlay pipe lower end have a transverse direction to perforation, seat pipe top connects an anchor ear, the little pipe of seat pipe transverse direction is by being rotationally connected perforation upper angle transverse direction after lock bolt and folded box flute profile stamping, seat pipe lower end transverse direction to perforation by being rotationally connected the perforation of lock bolt and rod rear end transverse direction, the top of seat pipe is fixedly connected with the saddle pipe of vehicle seat by anchor ear, vehicle seat is made up of saddle and saddle pipe, saddle is connected to the top of saddle pipe, two tanks sheet is fixed by bolt and both sides sheet, the top at casing sheet rear portion is provided with saddle pipe location and turns round, front fork is managed by a ∩ shape, pipe and a front fork anchor ear are formed always, ∩ shape pipe bends to ∩ shape by pipe, and then flatten at the two ends of ∩ shape, open and clear mouth, straight pipe is welded in the top of ∩ shape pipe, straight pipe penetrates from bottom to top in the endoporus of front head tube upper and lower side bearing, and locates with the top of front fork anchor ear amplexis and straight pipe, and front-wheel is connected to two lower ends of front fork, trailing wheel is connected to two rear ends of back vent, and front-wheel and trailing wheel are all small-wheel-diameter wheels, 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 and safety device, hand is made up of pedestal pedestal moulding and interior poling, the each side riveted joint one solid-iron rivet of interior poling upper end, 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 pore of the straight pipe 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 ball-headed bolt and a nut are formed, twist in plagiocephaly barrel and connect ball-headed bolt, the stubborn place of connecing of ball-headed 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, 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 lock bolt and latch hook in the middle part of collar aperture be rotationally connected, 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, safety device comprises central siphon, flute profile button and pourable resin chock, shaft pipe welding in plagiocephaly barrel and left hand the upside of weld, flute profile button mutual to perforation and two pourable resin chocks by being rotationally connected locking bolt and central siphon, 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 ball-headed bolt of left lock-connecting piece and realize interlocking, flute profile button is buckled in the front end of latch hook, play the safety effect of latch hook and ball-headed bolt interlocking, driver train comprises axis, two cranks, chain wheel, two pedals, prime minor sprocket, flywheel, rear class minor sprocket, prime chain and rear class chain, axis is rotationally connected with in Five-way tube by axis accessory, two cranks are installed on the two ends of axis, chain wheel is fixedly connected on the crank on the right of two cranks, prime minor sprocket and flywheel coaxial sleeve are installed on the rear portion of the right sheet in the sheet of both sides, rear class minor sprocket is connected to the right side of trailing wheel, prime chain is wire-wrapped in chain wheel and prime minor sprocket, and rear class chain is wire-wrapped on flywheel and rear class minor sprocket.

2. the box portable bicycle of quick-folding according to claim 1, it is characterized in that: described flute profile stamping is in longitudinally arranging, described front-axle beam is by the two lower ends bending laterally of the ∩ shape of sheet, described front-axle beam leans on the two ends of ∩ shape bending laterally and the front upper welded corner joint of described flute profile stamping of sheet, described seat pipe is strike out wavy bending sheetmetal by sheet, described seat pipe leans on the middle part of sheet with circular arc spill, described seat pipe is by the circular arc spill of sheet, corresponding with the caliber that pipe inlayed by described seat pipe, described connecting rod is the sliced pieces of an aluminium extruded type, respectively there is a cross-perforating at the two ends of described connecting rod.

3. the box portable bicycle of quick-folding according to claim 1, it is characterized in that: there is opening gap backward the below of described front-axle beam rear end second cross-perforating, there is a cross-perforating at the rear portion of described front-axle beam, welding one little pipe in described front-axle beam posterior transversal perforation, the upper and lower sides of described front-axle beam front end has arc opening, the arc opening of described front-axle beam front end upper and lower sides is corresponding with the caliber of described front head tube, described front head tube is that the pore car of the upper and lower side of a pipe has the step placing bearing, be embedded in the bearing at front head tube two ends, it is the deep groove ball bearing of 6905 models.

4. the box portable bicycle of quick-folding according to claim 1, it is characterized in that: described hole cylinder, it is the perforation that a metal cylinder circle side has a radial direction, the centre at described hole cylinder two ends has the tapped bore of an axis, described hole cylinder penetrates in the first cross-perforating of described front-axle beam, and each twisting connects a Bolt to position in the tapped bore at described hole cylinder two ends, fast dismounting handle is that an of trigger piece is connected with two disks arranged side by side, two disks arranged side by side there is mutual eccentric orfice, the trigger piece of described fast dismounting handle there is an elongated hole, eccentric orfice on described fast dismounting handle two disk is rotationally connected by the collar aperture of rivet with circle hook bolt.

5. the box portable bicycle of quick-folding according to claim 1, it is characterized in that: stop button is made of plastics, there is lower convex square tube stop button bottom surface, there is a stubborn hole that connects upwards lower convex square tube bottom, safety plate is the Plastic Parts of a front end with arc opening, there is the perforation of a upward and downward centre of described safety plate, there is a squared counter bore top of described safety plate upward and downward perforation, the squared counter bore of described safety plate is corresponding with square tube convex under described stop button bottom surface, square tube convex under described stop button bottom surface penetrates from the top down in the elongated hole of described fast dismounting handle, and be positioned at the front end of described fast dismounting handle elongated hole, relief spring is pressed in the elongated hole of described fast dismounting handle, and the square tube that the front end of relief spring is convex under heading on described stop button bottom surface, rear end heads on the rear end of described fast dismounting handle elongated hole, then square tube convex under the squared counter bore of described safety plate being corresponded to described stop button bottom surface, penetrate in the perforation of described safety plate upward and downward from bottom to top with a flat base tap bolt, and the stubborn of convex square tube connects in hole under being fastened to described stop button bottom surface, while described safety plate and described stop button are slidably connected in the elongated hole of described fast dismounting handle, relief spring is together positioned in the elongated hole of described fast dismounting handle.

6. the box portable bicycle of quick-folding according to claim 1, it is characterized in that: described limit sheet is made up of an aluminum strip tabs and rectangle aluminium flake, aluminum strip tabs is by an aluminum bar piece front end right-angle bending to the inside, rear portion two right-angle bendings to the inside and backward form, there is a circular hole at upper angle inside the bending part of aluminum strip tabs front end, there is a U-shaped gap backward aluminum strip tabs rear end, aluminum strip tabs there is several tapped bore, the inferior horn of rectangle aluminium flake and aluminum strip tabs welding edge also has a hole, rectangle aluminium flake is welded in the front portion inside aluminum strip tabs, and make the circular hole of rectangle aluminium flake inferior horn and the circular hole at angle on aluminum strip tabs front end become oblique corresponding, in the middle part of two aluminum strip tabs and the inner side at rear portion, also be welded with horizontal aluminium flake as reinforcement, the rear portion of described limit, the right sheet aluminum strip tabs, be positioned at the front of two right-angle folding crooks to the inside and backward, also be fixedly connected with a minor axis, respectively there is a pin-and-hole two rear ends that described pull bar is bent into inverted bent character contour round steel, the plastic handle of described pull bar is involutory by two halves plastic handle, twist through bolt and be bonded into, described pull bar is bent into the two ends of inverted bent character contour round steel, penetrate two aluminum strip tabs front end circular holes to neutralize after in two rectangle aluminium flake circular holes, inserting described limit sheet with two pin close-fittings is again bent in the pin-and-hole at inverted bent character contour round steel two ends, described limit sheet is allowed to locate with slip in the circular hole of two rectangle aluminium flakes in the circular hole of two aluminum strip tabs front ends.

7. the box portable bicycle of quick-folding according to claim 1, it is characterized in that: described seat pipe by pipe, inlay pipe, little pipe and pipe clamp and form, in the pore of the pipe lower end of described seat pipe, pipe is inlayed in close-fitting socket one, the pipe of described seat pipe and the socket place inlaying pipe together have a transverse direction to perforation, seat pipe pipe with inlay little pipe being penetrated to perforation and welding of pipe socket place, that inlays pipe lower end transverse direction has a gap that Open Side Down to the front of perforation, and described saddle is the anterior Custom Prosthesis saddle shortened.

8. the box portable bicycle of quick-folding according to claim 1, it is characterized in that: described casing sheet is injection molded by plastics, there is circular hole the front portion of described casing sheet, the circular hole of described casing sheet is corresponding with described Five-way tube position, described casing sheet also has several connecting bore, several tapped bore on described casing sheet and two aluminum strip tabs are fixed by bolt by the connecting bore of casing sheet described in two, described trailing wheel coordinates with described pull bar, this car after folding can be towed, the top at the casing sheet rear portion described in two also includes saddle pipe location and turns round, saddle pipe location is turned round and is made of plastics, saddle pipe location is turned round one and is become cast, other end becomes hook-type, the top at the left box body sheet rear portion being connected to described casing sheet by screws is turned round in saddle pipe location, the top at the right case sheet rear portion of described casing sheet connects one and twists with to lock bolt the vertical tube caught, locating to turn round with saddle pipe coordinates hook to tie, until described seat pipe and described folded box and described front-axle beam interlock folding after, after saddle pipe location is turned round and is tied with the top vertical tube hook at right case sheet rear portion, described seat pipe can be located.

9. the box portable bicycle of quick-folding according to claim 1, it is characterized in that: the lower end of described interior poling pipe is with angle, 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, described flute profile button is a flute profile stamping, the both sides of one end of described flute profile catching groove shape have a pair mutual to perforation, the other end of described flute profile button has sheet arc-shaped bend upwards, being rotationally connected perforation and pourable resin chock described in two and described central siphon that described flute profile button is mutual, keep suitable elasticity.

10. the box portable bicycle of quick-folding according to claim 1, it is characterized in that: described axis is the lengthening axis of Custom Prosthesis, the circular hole of casing sheet front portion described in two is stretched out at two of described axis, described prime minor sprocket is connected with described flywheel coaxial sleeve, connect the axle sleeve of described prime minor sprocket and described flywheel, a bearing is respectively inlayed at axle sleeve pore two ends, described prime minor sprocket and described flywheel, by the endoporus of the two bearings in axle sleeve, are socketed on the minor axis at sheet rear portion, the right of described both sides sheet.