CN206012838U - Flexible handle type folding bike - Google Patents

Abstract

A kind of flexible handle type folding bike, including the handle that stretches, front fork stem, side arm, fold main part, fork afterwards, seat pipe, vehicle seat, front-wheel, trailing wheel and drive mechanism, flexible handle connection front fork stem and side arm, flexible handle is by left hand handle, right handgrip, upper latch fitting, lower latch fitting and handle are constituted, side arm is by rotary part, front-axle beam and interlocking mechanism are constituted, folding main part includes folded box and connecting rod, folded box and connecting rod are connected with front-axle beam respectively, fork includes back vent and Five-way tube afterwards, back vent and Five-way tube are welded in the rear side of folded box, it is connected with folded box and connecting rod below seat pipe respectively, front-wheel is installed on front axle, trailing wheel is installed on back vent, drive mechanism includes axis, two cranks, chain wheel, two pedals, flywheel and chain.

Description

Flexible handle type folding bike

Technical field：

The utility model is related to a kind of folding portable bicycle, more particularly to a kind of flexible handle type folding type self-propelled Car.

Technical background：

Have several money folding bicycles in the market, although have a folding bicycle that folding rate is fast, but due to structure and The reasons such as construction, it be not also too convenient to carry after folding, such as the reason such as can not tow.

Utility model content：

The purpose of this utility model is to provide for a kind of handlebar in the new type foldable mode of the handle type that stretches, before seat pipe is related Frame, flexible handle, front fork stem and front-wheel are linked the mode of folding backward, and the flexible handle type that can have been towed after having folded is rolled over Bicycle folding.The purpose of this utility model is realized in；Flexible handle type folding bike, including flexible handle, Front fork stem, side arm, folding main part, rear fork, seat pipe, vehicle seat, front-wheel, trailing wheel and drive mechanism, is characterized in that：Flexible handle bag Include left hand handle, right handgrip, upper latch fitting, lower latch fitting and handle, left hand being to make right-angle bending by the upper end of pipe with right handgrip and Into, left hand with right handgrip right-angle bending at below outside be provided with screwed hole, upper latch fitting is by upper clamping piece, banking stop and locking screw Bolt is constituted, and upper clamping piece is the blank of an aluminium extruded type, and respectively there is a circular hole of a upward and downward at the left and right two ends of upper clamping piece, and the two of upper clamping piece The cracking of upward and downward is also connected with the circular hole of upward and downward, and the left and right that upper clamping piece upward and downward cracks rearward is respectively provided with the spiral shell of a upward and downward Pit, the bottom of the screwed hole of two upward and downward of left and right that upper clamping piece upward and downward cracks rearward pass through two bolt twist-ons, one banking stop, Banking stop is allowed to be connected to the bottom side of upper clamping piece, the centre of upper clamping piece has one to crack vertical longitudinal hole with upper clamping piece upward and downward, on It is upper and lower that the stop nut of one clamping screw of rear end connection of folder longitudinal hole, left hand handle and right handgrip penetrate upper clamping piece or so two ends To circular hole in, and by left hand with right handgrip right-angle bending at below screwed hole corresponding to upper clamping piece bottom side, use two Bolt be screwed into respectively left hand with right handgrip right-angle bending at below screwed hole in, left hand handle and right handgrip are made with upper clamping piece Rotation spacing, also, be fastened to left hand with right handgrip on two bolts, match somebody with somebody with the banking stop of the bottom side for being connected to upper clamping piece Close, can be as left hand spacing when launching with right handgrip, clamping screw is penetrated in the longitudinal hole of upper clamping piece, and is screwed into locking In nut, tighten clamping screw and can tighten up cracking for upper clamping piece upward and downward, upper clamping piece is locked left hand handle and right handgrip so that be left Handle and fix with right handgrip and can not rotate；Lower latch fitting is made up of lower clamping piece and clamping screw, and lower clamping piece is cutting for an aluminium extruded type Broken piece, the anterior left and right two ends of lower clamping piece respectively have the circular hole of a upward and downward, are connected with the circular hole of two anterior upward and downwards of lower clamping piece Upward and downward cracks, and the left end in the middle part of lower clamping piece has the circular hole of a upward and downward, the centre at lower clamping piece rear portion to have the circle of a upward and downward Hole, the anterior centre of lower clamping piece have one to crack vertical longitudinal hole with the anterior upward and downward of lower clamping piece, the rear end of lower clamping piece longitudinal hole Connect the stop nut of a clamping screw, the circular hole of left end upward and downward is connected with the upper end of front fork stem in the middle part of lower clamping piece, front fork stem Be made up of pipe, cylinder and front axle, in the bottom pore of pipe, fill in cylinder, the bottom of pipe to and have together with cylinder one horizontal Perforation, front axle is penetrated in the bottom of pipe and the cross-perforating of cylinder, and wins to the right, and left hand handle and right handgrip penetrate lower clamping piece In the circular hole of left and right two ends upward and downward, clamping screw is penetrated in the longitudinal hole of lower clamping piece, and is screwed in stop nut, tightens lock Tight bolt can tighten up cracking for lower clamping piece upward and downward, lower clamping piece be locked left hand handle and right handgrip so that left hand handle and right handgrip Fix and can not slide up and down, handle is connected to left hand the top with right handgrip, and the top positioned at upper clamping piece；Side arm is by revolving Rotation member, front-axle beam and interlocking mechanism are constituted, and rotary part is installed on the upward and downward circular hole in the middle of lower clamping piece rear portion, front-axle beam be by The front end of metal tube is welded a grooved part and is formed, and, by mutual to perforation, front-axle beam grooved part is mutual for the upper and lower side of grooved part To being punched through to locking bolt connection rotary part, laterally have one first cross-perforating, front-axle beam in the middle part of front-axle beam are located at the first horizontal stroke There is an elongated hole to the top of perforation, front-axle beam is located at below the first cross-perforating a circular hole, there is one second horizontal stroke the rear end of front-axle beam To perforation, at the rear portion of front-axle beam and it is located between first cross-perforating and the second cross-perforating of front-axle beam and is provided with a cross-perforating, The rear portion of front-axle beam is located in the cross-perforating between the first cross-perforating and the second cross-perforating welds a little pipe, front-axle beam front end Top also have a screwed hole, the hole cylinder of interlocking mechanism is installed in the first cross-perforating of front-axle beam, interlocking mechanism is by band Hole cylinder, Quick Release and safety fastener are constituted, and Quick Release is by fast dismounting handle, circle hook bolt, spill pad, Quick Release spring and stop nut structure Into fast dismounting handle is rotated with circle hook bolt by riveting and is connected, and circle hook bolt is penetrated in spill pad and Quick Release spring, encloses hook bolt Penetrate from the top down in the elongated hole of front-axle beam again and the perforation of cylindrical side with holes in, then penetrate front-axle beam first with stop nut again In circular hole below cross-perforating, and with circle hook bolt twist-on, safety fastener by stop button, safety plate, relief spring and insurance spiral shell Bolt composition, stop button and safety plate are bolted to the front end of fast dismounting handle elongated hole, and relief spring is installed on fast dismounting handle In elongated hole, and positioned at stop button and the rear of safety plate, safety bolt is fastened in the screwed hole of front-axle beam, the semicircle of safety bolt Head is corresponding with the arc opening of safety plate front end, and cup head that can be by safety plate with safety bolt carries out snapping；Fold main part Including folded box and connecting rod, folded box is welded by piece by piece and seat pipe by flute profile stamping, front-axle beam, flute profile stamping be notch to Under metal stamping, the front portion of flute profile stamping have one horizontal to perforation, the rear corner of flute profile stamping have one horizontal to perforation, The front upper welded corner joint front-axle beam of flute profile stamping leans on the lower weld seat pipe of piece, the rear side of flute profile stamping to lean on piece, and front-axle beam is by one by piece The rammed ∩ shapes part of sheet metal, front-axle beam have a U-shaped gap by the front upper place of piece, the front portion of flute profile stamping horizontal to perforation By being connected with the little pipe rotation at front-axle beam rear portion to locking bolt, connecting rod is each part with a cross-perforating in rear and front end, even Bar is that the cross-perforating of front end is connected by being rotated with the second cross-perforating of front-axle beam to lock bolt, and front-axle beam is by the front upper place of piece U-shaped gap, can be by Quick Release interlocking；Fork includes back vent, Five-way tube and tows wheel afterwards, and back vent is welded in the rear side of folded box, five Siphunculus is welded in the lower section of back vent front end, tows the rear that wheel is connected to back vent；In the pore of seat pipe bottom, pipe is inlayed in socket one, The one little pipe of transverse weld of seat pipe bottom, seat pipe inlays pipe lower end to be had one horizontal to perforation, and seat pipe top connects an anchor ear, The horizontal little pipe of seat pipe is connected by rotate to perforation horizontal with folded box flute profile stamping rear corner to lock bolt, under seat pipe End is horizontal to being punched through be connected to locking bolt and rotate with the hole of rod rear end, and the top of seat pipe is by anchor ear and vehicle seat company Connect, vehicle seat is made up of saddle, saddle pipe and saddle pipe folder；Front-wheel is installed on front axle, and trailing wheel is installed on the rear end of back vent, opens fast Tear open, by seat pipe to the back lower place fold, in the presence of connecting rod, by side arm be inconjunction with flexible handle, front fork stem and front-wheel together to The back lower place folds, and reaches quick perfect folding effect；Drive mechanism include axis, two cranks, chain wheel, two pedals, flywheel and Chain, axis are rotationally connected with Five-way tube by axis accessory, and two cranks are installed on the two ends of axis, and chain wheel is fixedly connected on On crank on the right of two cranks, flywheel is connected to the right side of trailing wheel, and chain is wire-wrapped on chain wheel and flywheel.

The beneficial effects of the utility model are：Handlebar of the present utility model is in the form of flexible handle so that handlebar Folding had both reached most simply, and reached most effective；Flexible handle of the present utility model and front fork stem are by the skilful of aluminium extrusion Wonderful cooperation so that flexible handle and front fork stem do not have electric welding；Front fork stem is connected to the upward and downward of the right-hand member in the middle part of lower clamping piece In circular hole so that front fork has been accomplished ultimate attainment simple and can coordinate maximally effective folding；Front tumbler of the present utility model is adopted With the cooperation of grooved part and the rotary part for being connected to lower clamping piece rear portion, plane bearing and shock-absorbing polyurethane in rotary part, is included Cylinder, makes front tumbler both simple and effectively and also with incabloc function；Linkage of the vehicle frame folding using folded box and connecting rod Coordinate, allow seat pipe be inconjunction with flexible handle, front fork stem and front-wheel with side arm together with link folding, reached the quick of vehicle frame folding And optimization；The rear end for being connected to back vent is taken turns by towing, car can be towed after folding, it is achieved that tangible effect easy to carry.

Description of the drawings：

Fig. 1 is the utility model structural representation；

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

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

Fig. 4 is that the utility model folds main part with side arm and the connection diagram of seat pipe；

Fig. 5 is the utility model folding process schematic diagram；

Fig. 6 is that the utility model folding finishes figure；

In figure：1 flexible handle, 2 front fork stems, 3 side arms, 4 folding main parts, fork after 5, 61 seat pipes, 62 vehicle seats, 71 front-wheels, 72 trailing wheels, 8 drive mechanisms；The handle 1 that wherein stretches also is wrapped Include：11 left hand handles, 12 right handgrips, latch fitting on 13,14 times latch fittings, 15 handles；Side arm 3 is also wrapped Include：31 rotary parts, 32 front-axle beams, 33 interlocking mechanisms.

Specific embodiment：

According to Fig. 1, Fig. 2 and Fig. 4, described flexible handle type folding bike, including flexible handle 1, front fork stem 2, Side arm 3, folding main part 4, rear fork 5, seat pipe 61, vehicle seat 62, front-wheel 71, trailing wheel 72 and drive mechanism 8；

Described flexible handle 1 includes left hand 11, right handgrip 12, upper latch fitting 13, lower latch fitting 14 and handle 15, described Left hand is all to be formed as right-angle bending by the upper end of pipe 11 and described right handgrip 12, and the left hand is 11 and the right hand Outside below at 12 right-angle bendings is respectively provided with a screwed hole, the left hand is 11 and the screwed hole difference of the right handgrip 12 Corresponding to the bottom side of 13 upper clamping piece of upper latch fitting, with two bolts difference twist-on to the left hand straight to 11 and the right handgrip 12 At angular distortion in the screwed hole of lower outer, be connected to the left hand 11 and the right handgrip 12 bolt respectively be located at described The bottom side of 13 upper clamping piece of upper latch fitting, the left hand are respectively provided with a screwed hole the side of 11 and 12 lower end of the right handgrip, described Left hand is screwed into 11 and 12 lower end side screwed hole of the right handgrip after bolt, can be as described left hand 11 and the described right side Handle 12 spacing with what 14 lower clamping piece of lower latch fitting was slided up and down.

Described upper latch fitting 13 is made up of upper clamping piece, banking stop and clamping screw, and described upper clamping piece is an aluminium extruded type Blank, the left and right two ends of the upper clamping piece respectively have the circular hole of a upward and downward, on the circular hole of two upward and downwards of the upper clamping piece also Cracking for upward and downward is connected with, respectively there are the circular hole of a upward and downward, the upper clamping piece in the left and right that the upper clamping piece upward and downward cracks rearward The left side that tapping is cracked rearward into screwed hole, the upper clamping piece upward and downward in the circular hole of two upward and downward of left and right that upward and downward cracks rearward The bottom of the screwed hole of right two upward and downwards allows described banking stop to be connected to described by the banking stop described in two bolt twist-ons one The bottom side of upper clamping piece, and crack rearward positioned at the upper clamping piece upward and downward, described banking stop is two ends portion with holes Part, is connected to the banking stop of the upper clamping piece bottom side, and is connected to the left hand two on 11 and the right handgrip 12 Bolt coordinates, and spacing when 11 and described right handgrip 12 can be launched as described left hand, the centre of the upper clamping piece has One is cracked vertical longitudinal hole with the upper clamping piece upward and downward, and the rear end of the upper clamping piece longitudinal hole is connected with a counterbore, described on The stop nut of clamping screw described in is inlayed in the counterbore of folder, is tightened described clamping screw and can be tightened up upper clamping piece upward and downward Crack, upper clamping piece is locked left hand handle and right handgrip so that left hand handle and right handgrip are fixed and can not be rotated, described locking Bolt by bolt and screws handle and is formed by connecting, and described clamping screw also includes stop nut.

Described lower latch fitting 14 is made up of lower clamping piece and clamping screw, and described lower clamping piece is the blank of an aluminium extruded type, Respectively there is the circular hole of a upward and downward at the anterior left and right two ends of the lower clamping piece, on the circular hole of two anterior upward and downwards of the lower clamping piece also Cracking for upward and downward is connected with, the left end in the middle part of the lower clamping piece has the circular hole of a upward and downward, and left end is upper in the middle part of the lower clamping piece Lower corresponding with the pipe footpath close-fitting of the front fork stem 2 to circular hole, described front fork stem 2 is made up of pipe, cylinder and front axle, pipe Bottom pore in fill in cylinder, the bottom of pipe to and have a cross-perforating together with cylinder, front axle penetrate the bottom of pipe and In the cross-perforating of cylinder and win to the right, the upward and downward circular hole of left end and 2 pipe of the front fork stem in the middle part of the lower clamping piece Upper end close-fitting socket, the centre that there is the circular hole of a upward and downward, the lower clamping piece centre at the lower clamping piece rear portion has one with lower folder Part upward and downward cracks vertical longitudinal hole, and the rear end of the lower clamping piece longitudinal hole is connected with the stop nut of clamping screw described in, Described left hand penetrates 11 and described right handgrip 12 in the circular hole of described lower clamping piece or so two ends upward and downward, described locking Bolt is penetrated in the longitudinal hole of the lower clamping piece, and is screwed in stop nut, is tightened the clamping screw and can be tightened up lower clamping piece Described lower clamping piece is locked described left hand 11 and described right handgrip 12 so that described left hand by cracking for upward and downward 11 and described right handgrip 12 are fixed and can not be slided up and down.

Described handle 15 is a working of plastics, and two lower ends of the handle 15 are respectively connected with the circle of a upward and downward, the handle Corresponding for the external diameter of 11 and the right handgrip 12, the top of the handle 15 is aperture and the left hand of 15 two circle collar aperture The handle of one handle, two collar aperture of the handle 15 are socketed on the left hand respectively under 11 and 12 knee of the right handgrip Side, described handle 15 are located at the top of the upper clamping piece.

Before described side arm 3 includes that rotary part 31, front-axle beam 32 and interlocking mechanism 33, described rotary part 31 include Central siphon, two zanjon bearings, a plane bearing and there is a shock-absorbing polyurethane cylinder, it is deep that the upper and lower side of front axle tube pore is respectively milled with placement rotation The counterbore of ditch bearing, close-fitting is pressed in the upward and downward circular hole in the middle of the lower clamping piece rear portion front axle tube from bottom to top, two zanjon axles Hold and be embedded in the counterbore of front axle tube upper and lower side respectively, plane bearing is lining on the zanjon bearing of the front axle tube upper end, then will Shock-absorbing polyurethane cylinder is put on plane bearing, and there is a hole axial direction of shock-absorbing polyurethane cylinder, and by the endoporus of two zanjon bearings, The axis hole of plane bearing and the hole of shock-absorbing polyurethane cylinder, corresponding to mutual right in the upper and lower two sides of 32 grooved part of the front-axle beam front end Perforation, with being connected described tumbler with the grooved part of the front-axle beam to locking bolt, described front-axle beam 32 is by metal oval Pipe welding grooved part is formed, and grooved part is the part being stamped to form by a sheet metal, and the upper and lower side of grooved part has mutual right Perforation, laterally has one first cross-perforating in the middle part of the front-axle beam 32, has a length above 32 first cross-perforating of the front-axle beam There is one second cross-perforating in hole, the rear end for having a circular hole, the front-axle beam 32 below 32 first cross-perforating of the front-axle beam, described There are opening gap backward, the rear portion of the front-axle beam 32 to be simultaneously located at front-axle beam 32 below 32 the second cross-perforating of rear end of front-axle beam A cross-perforating is provided between first cross-perforating and the second cross-perforating, and the rear portion of the front-axle beam 32 is located at the first cross-perforating And second weld a little pipe in the cross-perforating between cross-perforating, there be a screwed hole top of 32 front portion of the front-axle beam.

The hole cylinder of the interlocking mechanism 33, described interlocking machine are installed in the first cross-perforating of the front-axle beam 32 Structure 33, including hole cylinder, Quick Release and safety fastener, described hole cylinder, is that metal cylinder circle side is provided with a radial direction Perforation, the centre at the hole cylinder two ends are provided with the screwed hole of an axial direction, and described hole cylinder is penetrated in the front-axle beam The first cross-perforating in, and in the screwed hole at the hole cylinder two ends one bolt of each twist-on positioning, described unpacks soon Fast dismounting handle, circle hook bolt, spill pad, Quick Release spring and stop nut is included, fast dismounting handle is one of a trigger piece and is connected with There is mutual eccentric orfice on two disks arranged side by side, two disks arranged side by side, on the trigger piece of the fast dismounting handle, have an elongated hole, the Quick Release Eccentric orfice on two disk of handle is rotated with the collar aperture of circle hook bolt by rivet and is connected, and circle hook bolt penetrates spill pad and Quick Release In spring, penetrated in the elongated hole of the front-axle beam 32 and in the perforation of the hole cylinder side from the top down again, then use locking spiral shell Mother is penetrated in the circular hole below 32 first cross-perforating of the front-axle beam, and with circle hook bolt twist-on.

Described safety fastener is made up of stop button, safety plate, relief spring and safety bolt, and stop button is by plastics system Into, the convex square tube under having in stop button bottom surface, under convex square tube bottom have a twist-on hole upwards, safety plate is a front end with circle The working of plastics of nock, the top that there is the perforation of a upward and downward, the safety plate upward and downward perforation centre of the safety plate have one Squared counter bore, the squared counter bore of the safety plate are corresponding with convex square tube under the stop button bottom surface, the stop button bottom surface Under convex square tube penetrate in the elongated hole of the fast dismounting handle from the top down and the front end positioned at the fast dismounting handle elongated hole, will insurance Spring is pressed in the elongated hole of the fast dismounting handle, and the front end of relief spring head on convex square tube under the stop button bottom surface, after End heads on the rear end of the fast dismounting handle elongated hole, then by the squared counter bore of the safety plate corresponding to convex under the stop button bottom surface Square tube, penetrated in the perforation of the safety plate upward and downward from bottom to top with a flat base tap bolt, and be fastened to the insurance Under button bottom surface in the twist-on hole of convex square tube, the safety plate is slidably connected to the stop button in the elongated hole of the fast dismounting handle Meanwhile, relief spring being together positioned in the elongated hole of the fast dismounting handle, safety bolt is the bolt of a cup head, safety bolt It is fastened in the screwed hole of the front-axle beam 32, the arc opening of the safety plate front end is corresponding with the cup head of safety bolt, institute The cup head of the arc opening and safety bolt of stating safety plate front end carries out snapping.

Described folding main part 4, including folded box and connecting rod, described folded box leans on piece and seat by flute profile stamping, front-axle beam Pipe is welded by piece, and described flute profile stamping is the downward metal stamping of notch, and described flute profile stamping is in longitudinally disposed, institute The front portion and rear corner for stating flute profile stamping two sides respectively has one horizontal to perforation, the front upper welded corner joint front-axle beam of the flute profile stamping The lower weld seat pipe of piece, the rear side of the flute profile stamping is leaned on to lean on piece, described front-axle beam is rammed by a sheet metal by piece ∩ shape parts, two lower ends laterally bending of the front-axle beam by the ∩ shapes of piece, the front-axle beam by the ∩ shapes bending laterally of piece two Upper welded corner joint before end and the flute profile stamping, the front-axle beam have the U-shaped gap, described seat pipe by piece to be by the front upper place of piece The sheet metal of corrugate bending, the seat pipe carry circular arc spill by the middle part of piece, and circular arc spill of the seat pipe by piece, with institute State seat pipe inlay pipe caliber corresponding, described connecting rod is the sliced pieces of an aluminium extruded type, and the rear and front end of the connecting rod respectively has One cross-perforating, the front portion of the flute profile stamping two sides horizontal to being punched through the rear portion to locking bolt and the front-axle beam 32 Little pipe rotate connection, the cross-perforating of the connecting rod front end is by the second cross-perforating to locking bolt and the front-axle beam 32 Rotate connection.

Described rear fork 5 includes back vent, Five-way tube and tows wheel, described back vent combined by left back fork and right back vent and Into left back fork is to be formed through twice bending by two metal tubes with right back vent, and the rear end of left back fork and right back vent is flattened and opened There is U-shaped gap backward, the Five-way tube of welding below lower section the welding Five-way tube, with the back vent front end of the back vent front end, Simultaneously with the folded box on rear side of lower section welding, tow the rear that wheel is connected to back vent, described tow wheel 47 taken turns by two PU, Two connecting tubes and two tow axle composition, and two connecting tubes are welded in left back fork and right back vent rear end is flattened on place, two connecting tubes Rear end have cross-perforating, each connection one in the cross-perforating of two connecting tubes tows axle, and it is by locking bolt to tow axle Barrel and lining ring constitute, two pairs lock bolts barrels from inside to outside close-fitting is penetrated in the cross-perforating of two connecting tube rear ends respectively In and outwards win, then each one lining rings of socket of barrels in two pairs of lock bolts, then two PU wheels are socketed on two pairs of lock bolts respectively Barrel outwards win on end, position in the barrels for being fastened to two pairs of lock bolts with two bolts respectively, described PU wheels are modelings The PU wheels of material wheel hub, the centre of PU wheel two sides respectively inlay a deep groove ball bearing, two deep groove ball bearings of the PU wheels it Between be also lined with a lining ring.

Described seat pipe 61 by pipe, inlay pipe, little pipe and pipe clamp and constitute, the pore of the pipe lower end of the seat pipe 61 Pipe is inlayed in middle close-fitting socket one, and the pipe of the seat pipe 61 and the socket place for inlaying pipe are together provided with horizontal to boring a hole a, seat The pipe of pipe 61 with inlay pipe socket place to penetrating little pipe and welding, that inlays pipe lower end laterally opens a pair of perforation, Inlay the horizontal little pipe for having the front that bores a hole one gap that Open Side Down, the seat pipe 61 in pipe lower end to pass through to locking bolt Perforation is rotated horizontal with the folded box flute profile stamping rear corner is connected, and the top of the seat pipe 61 connects an anchor ear, institute State seat pipe 61 inlay pipe lower end horizontal to being punched through being connected to locking horizontal with the rod rear end perforation of bolt and rotate, institute State the point of point and the connecting rod connection front-axle beam 32 of 61 lower end of the seat pipe connection connecting rod after folding, can produce described Seat pipe 61 is higher than the connecting rod and 32 tie point of the front-axle beam and the seat pipe 61 and the folding with the tie point of the connecting rod The line of box tie point, this allow for the seat pipe 61, the folded box and generate auto-lock function with front-axle beam linkage folding, The top of the seat pipe 61 is fixedly connected with the saddle pipe of the vehicle seat 62 by anchor ear, described vehicle seat 62 by saddle, saddle pipe and Saddle pipe folder is constituted, and saddle pipe folder is connected to the top of saddle pipe, and saddle is connected to the top of saddle pipe folder, and saddle pipe is folded Device can allow saddle collapsed forward.

Described front-wheel 71 is 10 inches of inflated wheel, and described front-wheel 71 is installed on the front axle of the front fork stem 2, institute The trailing wheel 72 that states is connected with the U-shaped gap of two rear end of back vent, and described trailing wheel 72 is 10 inches of inflated wheel.

Described drive mechanism 8 includes that axis, crank, chain wheel, pedal, flywheel and chain, described axis pass through axis Accessory is rotationally connected with the Five-way tube of the rear fork 5, and the crank described in two is installed on the two ends of the axis, described tooth Disk is fixedly connected on the right crank of crank described in two, and described flywheel is connected to the right side of the trailing wheel 72, described chain Bar is wire-wrapped on described chain wheel and described flywheel.

Claims (10)

1. a kind of flexible handle type folding bike, including flexible handle, front fork stem, side arm, folds main part, rear fork, seat Pipe, vehicle seat, front-wheel, trailing wheel and drive mechanism, is characterized in that：Flexible handle includes left hand handle, right handgrip, upper latch fitting, lower latch fitting And handle, left hand being to be formed as right-angle bending by the upper end of pipe with right handgrip, at left hand handle and right handgrip right-angle bending under The outside of side is provided with screwed hole, and upper latch fitting is made up of upper clamping piece, banking stop and clamping screw, and the left and right two ends of upper clamping piece respectively have one The circular hole of upward and downward, is also connected with cracking for upward and downward on the circular hole of two upward and downwards of upper clamping piece, upper clamping piece upward and downward cracks rearward Left and right be respectively provided with the screwed hole of a upward and downward, the bottom of the screwed hole of two upward and downward of left and right that upper clamping piece upward and downward cracks rearward By two bolt twist-ons, one banking stop, banking stop is allowed to be connected to the bottom side of upper clamping piece, the centre of upper clamping piece has on one and upper clamping piece Lower to the vertical longitudinal hole that cracks, the rear end of upper clamping piece longitudinal hole connects the stop nut of a clamping screw, left hand handle and the right hand In the circular hole for penetrating upper clamping piece or so two ends upward and downward, and by left hand with right handgrip right-angle bending at below screwed hole pair Should in the bottom side of upper clamping piece, with two bolts be screwed into respectively left hand with right handgrip right-angle bending at below screwed hole in, will Spacing with what right handgrip and upper clamping piece were made to rotate, clamping screw is penetrated in the longitudinal hole of upper clamping piece left hand, and is screwed into locking In nut, tighten clamping screw and can tighten up cracking for upper clamping piece upward and downward；Lower latch fitting is made up of lower clamping piece and clamping screw, lower folder Respectively there is the circular hole of a upward and downward at the anterior left and right two ends of part, are connected with opening for upward and downward on the circular hole of two anterior upward and downwards of lower clamping piece Seam, the left end in the middle part of lower clamping piece have the circular hole of a upward and downward, and there is the circular hole of a upward and downward centre at lower clamping piece rear portion, before lower clamping piece The centre in portion has one to crack vertical longitudinal hole with lower clamping piece front portion upward and downward, and the rear end of lower clamping piece longitudinal hole connects a locking screw The stop nut of bolt, in the middle part of lower clamping piece, the circular hole of left end upward and downward is connected with the upper end of front fork stem, front fork stem by pipe, cylinder and Front axle is constituted, and fills in cylinder in the bottom pore of pipe, the bottom of pipe to and have a cross-perforating, front axle to penetrate together with cylinder In the cross-perforating of the bottom of pipe and cylinder, and win to the right, it is upper and lower that left hand handle and right handgrip penetrate lower clamping piece or so two ends To circular hole in, clamping screw is penetrated in the longitudinal hole of lower clamping piece, and is screwed in stop nut, is tightened clamping screw and can be tightened up Lower clamping piece is locked left hand handle and right handgrip by cracking for lower clamping piece upward and downward, and handle is connected to left hand the top with right handgrip, And the top positioned at upper clamping piece；Side arm is made up of rotary part, front-axle beam and interlocking mechanism, and rotary part is installed on lower clamping piece rear portion On middle upward and downward circular hole, front-axle beam is to weld a grooved part by the front end of metal tube to form, and the upper and lower side of grooved part is by phase Mutual to perforation, front-axle beam grooved part mutual to being punched through to locking bolt connection rotary part, laterally have one in the middle part of front-axle beam First cross-perforating, front-axle beam is located above the first cross-perforating an elongated hole, and front-axle beam is located at below the first cross-perforating to be had One circular hole, the rear end of front-axle beam have one second cross-perforating, at the rear portion of front-axle beam and be located at front-axle beam the first cross-perforating and second A cross-perforating is provided between cross-perforating, and the rear portion of front-axle beam is positioned at horizontal between the first cross-perforating and the second cross-perforating A little pipe is welded in perforation, and there be a screwed hole top of front-axle beam front end, interlocking is provided with the first cross-perforating of front-axle beam The hole cylinder of mechanism, interlocking mechanism are made up of hole cylinder, Quick Release and safety fastener, and Quick Release is by fast dismounting handle, circle hook bolt, spill Pad, Quick Release spring and stop nut are constituted, and fast dismounting handle is rotated with circle hook bolt by riveting and is connected, and circle hook bolt penetrates spill In pad and Quick Release spring, enclose hook bolt and penetrate from the top down again in the elongated hole of front-axle beam and in the perforation of cylindrical side with holes, so Penetrated in the circular hole below the first cross-perforating of front-axle beam with stop nut again afterwards, and with circle hook bolt twist-on, safety fastener is by insuring Before button, safety plate, relief spring and safety bolt composition, stop button and safety plate are bolted to fast dismounting handle elongated hole End, relief spring is installed in the elongated hole of fast dismounting handle, and positioned at stop button and the rear of safety plate, before safety bolt is fastened to In the screwed hole of beam, the cup head of safety bolt is corresponding with the arc opening of safety plate front end, and can be by safety plate and insurance spiral shell The cup head of bolt carries out snapping；Folding main part includes that folded box and connecting rod, folded box are leaned on by piece and seat pipe by flute profile stamping, front-axle beam Piece is welded, and flute profile stamping is the downward metal stamping of notch, and the front portion of flute profile stamping has one horizontal to perforation, and flute profile is rushed The rear corner of part has one horizontal to perforation, and the front upper welded corner joint front-axle beam of flute profile stamping leans on piece, the bottom of the rear side of flute profile stamping Welding seat pipe leans on piece, and front-axle beam is that front-axle beam has a U-shaped gap by the front upper place of piece by a sheet metal rammed ∩ shapes part by piece, The front portion of flute profile stamping horizontal to being punched through being connected with the little pipe rotation at front-axle beam rear portion to locking bolt, before and after connecting rod is The each part with a cross-perforating in two ends, connecting rod are that the cross-perforating of front end passes through the second cross-perforating to locking bolt and front-axle beam Connection is rotated, U-shaped gap of the front-axle beam by the front upper place of piece can be by Quick Release interlocking；Fork includes back vent, Five-way tube and tows afterwards Wheel, back vent are welded in the rear side of folded box, and Five-way tube is welded in the lower section of back vent front end, tow the rear that wheel is connected to back vent； In the pore of seat pipe bottom, pipe, the one little pipe of transverse weld of seat pipe bottom are inlayed in socket one, and seat pipe inlays pipe lower end a horizontal stroke To perforation, seat pipe top connects an anchor ear, and the horizontal little pipe of seat pipe passes through to locking after bolt and folded box flute profile stamping What upper angle was horizontal rotates connection to perforation, and the horizontal hole being punched through to locking bolt and rod rear end is rotated in seat pipe lower end connects Connect, the top of seat pipe is connected with vehicle seat by anchor ear, vehicle seat is made up of saddle, saddle pipe and saddle pipe folder；Before front-wheel is installed on Axle, trailing wheel are installed on the rear end of back vent；Drive mechanism includes that axis, two cranks, chain wheel, two pedals, flywheel and chain, axis lead to Cross axis accessory to be rotationally connected with Five-way tube, two cranks are installed on the two ends of axis, chain wheel is fixedly connected on the right of two cranks Crank on, flywheel is connected to the right side of trailing wheel, and chain is wire-wrapped on chain wheel and flywheel.

2. flexible handle type folding bike according to claim 1, is characterized in that：The left hand handle and the right hand Screwed hole correspond respectively to the bottom side of the upper latch fitting upper clamping piece, the left hand handle and the right handgrip lower end side screw thread After hole is screwed into bolt, can be as described left hand the limit slided up and down with the lower latch fitting lower clamping piece with described right handgrip Position, be connected to the banking stop of the upper clamping piece bottom side, be connected to the left hand with the right handgrip on two bolts Coordinate, can be as described left hand spacing when launching with described right handgrip.

3. flexible handle type folding bike according to claim 1, is characterized in that：After the upper clamping piece longitudinal hole End is connected with a counterbore, inlays the stop nut of clamping screw described in the counterbore of the upper clamping piece, described clamping screw by Bolt and screw handle and be formed by connecting, described clamping screw also includes stop nut, and left end is upper and lower in the middle part of the lower clamping piece Corresponding with the pipe footpath close-fitting of the front fork stem to circular hole, the upward and downward circular hole of left end and the front fork stem in the middle part of the lower clamping piece The upper end close-fitting socket of pipe, described handle is a working of plastics, and two lower ends of the handle are respectively connected with the circle of a upward and downward, institute Aperture and the left hand of two circle collar aperture of handle are stated corresponding with the external diameter of the right handgrip, the top of the handle is one The handle of handle.

4. flexible handle type folding bike according to claim 1, is characterized in that：Described rotary part is included Front axle tube, two zanjon bearings, a plane bearing and there is a shock-absorbing polyurethane cylinder, the upper and lower side of front axle tube pore is respectively milled with placement rotation The counterbore of zanjon bearing, close-fitting is pressed in the upward and downward circular hole in the middle of the lower clamping piece rear portion front axle tube from bottom to top, two zanjons Bearing is embedded in the counterbore of front axle tube upper and lower side respectively, and plane bearing is lining on the zanjon bearing of the front axle tube upper end, then Shock-absorbing polyurethane cylinder is put on plane bearing, there is a hole axial direction of shock-absorbing polyurethane cylinder, and by two zanjon bearings The hole in hole, the axis hole of plane bearing and shock-absorbing polyurethane cylinder, mutual corresponding to the upper and lower two sides of the front-axle beam front end grooved part To perforation, with to lock bolt described tumbler is connected with the grooved part of the front-axle beam.

5. flexible handle type folding bike according to claim 1, is characterized in that：Described hole cylinder, is one Metal cylinder circle side is provided with the perforation of a radial direction, and the centre at the hole cylinder two ends is provided with the screwed hole of an axial direction, institute The hole cylinder that states is penetrated in the first cross-perforating of the front-axle beam, and each stubborn in the screwed hole at the hole cylinder two ends Connect bolt positioning.

6. flexible handle type folding bike according to claim 1, is characterized in that：Described flute profile stamping is in longitudinal direction Arrange, two lower ends laterally bending of the front-axle beam by the ∩ shapes of piece, two ends of the front-axle beam by the ∩ shapes bending laterally of piece With upper welded corner joint before the flute profile stamping, described seat pipe is the sheet metal of corrugate bending by piece, and the seat pipe is by piece Middle part carries circular arc spill, circular arc spill of the seat pipe by piece, described company corresponding with the caliber that the seat pipe inlays pipe Bar is the sliced pieces of an aluminium extruded type.

7. flexible handle type folding bike according to claim 1, is characterized in that：Described back vent by left back fork and Right back vent is combined, and left back fork and right back vent are formed through twice bending by two metal tubes, left back fork and right back vent Rear end is flattened and is provided with U-shaped gap backward, with the back vent front end below weld Five-way tube, while with the folded box The lower section welding of rear side.

8. flexible handle type folding bike according to claim 1, is characterized in that：Described tows wheel by two PU Wheel, two connecting tubes and two tow axle composition, and two connecting tubes are welded in left back fork and right back vent rear end is flattened on place, two connections The rear end of pipe has cross-perforating, and each connection one in the cross-perforating of two connecting tubes tows axle, and it is by locking spiral shell to tow axle The barrel of bolt and lining ring are constituted, and from inside to outside close-fitting penetrates laterally wearing in two connecting tube rear ends to the barrel of two pairs of lock bolts respectively In hole and outwards win, then the barrels that two PU wheels are socketed on two pairs of lock bolts respectively outwards are won on end, with two bolts point Position in the barrel for not being fastened to two pairs of lock bolts.

9. flexible handle type folding bike according to claim 1, is characterized in that：Described seat pipe is by pipe, edge Embedding pipe, little pipe and pipe clamp are constituted, and pipe, the circle of the seat pipe are inlayed in close-fitting socket one in the pore of the pipe lower end of the seat pipe Pipe and the socket place for inlaying pipe be together provided with one horizontal to perforation, the pipe of seat pipe with inlay pipe socket place to penetrating Little pipe is simultaneously welded, and that inlays pipe lower end laterally opens a pair of perforation, and inlaying the horizontal front to perforation in pipe lower end has an opening Downward gap.

10. flexible handle type folding bike according to claim 1, is characterized in that：The seat pipe lower end connects institute The point and the connecting rod for stating connecting rod connects the point of the front-axle beam after folding, can produce the connection of the seat pipe and the connecting rod Line of the point higher than the connecting rod and the front-axle beam tie point and the seat pipe and the folded box tie point, this allows for described Seat pipe, the folded box generate auto-lock function with front-axle beam linkage folding, and saddle pipe folder is connected to the top of saddle pipe, saddle Seat is connected to the top of saddle pipe folder, and saddle pipe folder can allow saddle collapsed forward.