CN103979065B

CN103979065B - Bevel gear driven type portable bicycle

Info

Publication number: CN103979065B
Application number: CN201410245528.5A
Authority: CN
Inventors: 庞明方
Original assignee: Taicang Chezhongbao Leisure Products Co Ltd
Current assignee: Nantong Yuqi metal products Co. Ltd.
Priority date: 2014-06-05
Filing date: 2014-06-05
Publication date: 2016-09-14
Anticipated expiration: 2034-06-05
Also published as: CN103979065A

Abstract

nullA kind of bevel gear driven type portable bicycle，Including vehicle body、Side arm、Vehicle seat link gear、Front fork、V-shaped folding hand handle、Front-wheel、Trailing wheel and drive mechanism，Vehicle body is by folded box、Ears stamping、Upper connecting leg、Vehicle body latch hook、Gearcase、Lower connecting leg、Back vent、Lid and bearing backing member are constituted，Vehicle body lock hook lock connects side arm，Lid is placed on gearcase，Trailing wheel is installed on rear wheel fork，The folding saddle pipe of vehicle seat link gear can fold，Seat pipe welding seat pipe folds leaf，Seat pipe folds leaf and connecting rod and side arm linkage，Front fork is single tine、It is connected with the front head tube of side arm，Front-wheel is installed on front fork，Handlebar is V-shaped folding hand handle，Drive mechanism is: prime bevel gear is fastened to drive shaft、And be positioned in gearcase and lid，Longitudinal drive shaft twist-on prime angular wheel and rear class bevel gear、And it is positioned at lower connecting leg，Rear class angular wheel and sprocket wheel are fastened to horizontal power transmission shaft、Laterally power transmission shaft is positioned at the front portion of rear wheel fork，Two cranks connect drive shaft and two pedals.

Description

Bevel gear driven type portable bicycle

Technical field

The present invention relates to a kind of folding portable bicycle, particularly to a kind of bevel gear driven type portable bicycle.

Technical background

The quick-folding portable formula bicycle of the design people's previous design, although have that folding rate is fast, fold smaller, but due to reasons such as structures, outward appearance is unsatisfactory, outside particularly chain is exposed to, always allows people have a kind of not perfect sorry sensation.

Summary of the invention

The invention aims on the basis of quick-folding portable formula bicycle, improve, improve and improve, create and a kind of bevel gear and angular wheel are arranged in vehicle body, and the bevel gear driven type portable bicycle of this driving structure and drive mechanism can not be found out in appearance.The object of the present invention is achieved like this；nullBevel gear driven type portable bicycle，Including vehicle body、Side arm、Vehicle seat link gear、Front fork、V-shaped folding hand handle、Front-wheel、Trailing wheel and drive mechanism，It is characterized in that: vehicle body includes folded box、Ears stamping、Upper connecting leg、Vehicle body latch hook、Gearcase、Lower connecting leg、Back vent、Lid and bearing backing member，The upper connecting leg of lower section welding of folded box，The bottom welding gearcase of upper connecting leg，The lower connecting leg of rear welding of gearcase，The rear end welding back vent of lower connecting leg，Folded box is box-like stamping parts，The left and right sides of folded box forward lower comer have a pair mutual to perforation，What folded box forward lower comer was mutual is that left hole is the most forward to perforation、Right ports the most rearward oblique to perforation，The left and right sides at folded box rear portion have a pair mutual to perforation，The welded top of folded box has ears stamping、Have in ears stamping mutual hole of piercing one's ears，Ears stamping in hole of piercing one's ears by lock bolt be rotationally connected vehicle body latch hook，Connect between vehicle body latch hook and the top of folded box and have spring，Gearcase is the stamping of a circle cell type，The middle embedded bearing of the right flank of gearcase，The left side of gearcase is furnished with lid，The middle embedded bearing of lid，A bearing backing member respectively it is embedded with in the pore at lower connecting leg two、Embedded bearing in bearing backing member，A bearing is respectively inlayed in the two sides of back vent front portion，The rear end of back vent two fork is respectively arranged with a U-lag，Trailing wheel is installed on the rear end of back vent；Side arm is by front head tube, front-axle beam pipe and beam pipe fold leaf and constitute, the upper weld front-axle beam pipe of front head tube, the rear end welded grider pipe of front-axle beam pipe folds leaf, beam pipe folds leaf and is made up of rectangle punching and fork-shaped stamping, the back lower place of rectangle punching is welded with a fork-shaped stamping, it is the most oblique to perforation that the anterior left and right sides of fork-shaped stamping has behind the most left front right side, the left and right sides at the rear portion of fork-shaped stamping has mutual to perforation, beam pipe fold leaf the most oblique to being punched through perforation is rotationally connected by lock oblique mutual with folded box forward lower comer of bolt, beam pipe folds the front top of leaf and can be lived by vehicle body lock hook lock；nullVehicle seat link gear includes saddle、Fold saddle pipe、Seat pipe、Seat pipe folds leaf and connecting rod，Fold saddle pipe and include folding leaf、Lower folding leaf、Saddle pipe head、Saddle pipe、Semicircle lock shaft and safety plug，Upper folding leaf is while becoming configuration、Another side is the horizontal parts with a pair volume of circle，Lower folding Ye Shiyi is cut into the parts of flute profile，Two of lower folding leaf flute profile two sides is respectively arranged with mutual through circular hole，There is a mutual through rectangular opening at the middle part of lower folding leaf flute profile two sides，One, lower folding leaf two sides to wear circular hole by lock bolt be rotationally connected a pair volume of circle that upper folding leaf is horizontal、And it is furnished with torsion spring，Semicircle lock shaft is loaded lower fold leaf other end to wearing in circular hole，Rotate semicircle lock shaft and can pin the configuration limit of folded piece，Safety plug is loaded lower folding in the mutual through rectangular opening of leaf，And mix spring，The lock handle of safety plug and semicircle lock shaft coordinates，Semicircle lock shaft can be positioned，Saddle pipe head welds with upper folding leaf，Saddle pipe welds with lower folding leaf，Saddle is connected on saddle pipe head，Saddle pipe is installed in seat pipe，Side welding seat pipe bottom seat pipe folds leaf，It is that circle laterally rolled up by upper side band one that seat pipe folds leaf、There are the parts of a pair horizontal volume circle below，Seat pipe folds the top volume circle of leaf by lock bolt be rotationally connected perforation mutual with folded box rear portion，Connecting rod is the two parts respectively with an oscillating bearing，Connecting rod back oscillating bearing is connected by lock bolt is folded the following a pair horizontal volume circle of leaf with seat pipe，Connecting rod front oscillating bearing is by lock bolt and mutual being connected perforation in beam pipe folding leaf rear portion；nullFront fork is the single tine that a pipe is pressed into wavy bending，Front fork is rotationally connected with front head tube by seven bowls，Front-wheel is installed on front fork，V-shaped folding hand handle is fixing with front fork to be connected，V-shaped folding hand handle is cup joint style lock-connecting piece V-shaped folding hand handle，V-shaped folding hand is including handle base、U-lag plastic lining、Left and right connects part、Left and right handles、Left lock-connecting piece、Right lock-connecting piece、Hole cylinder、Quick Release、Safety fastener、Inside extending tube and to lock bolt，Handle base is Intermediate Gray one circular hole、Both sides are respectively with flute profile、Two flute profiles inside the both sides of bottom land with convex tendon Al squeezing material cut off workpiece，Two side lower parts of handle base two flute profile are respectively mutual to perforation with one，Poling in the bottom close-fitting socket one of handle base circular hole，Two flute profiles of handle base are respectively inlayed connection one U-lag plastic lining，Left and right connects part and is fixedly connected on the bottom of left and right handles，Left lock-connecting piece and right lock-connecting piece are respectively welded in the rear side of left and right handles bottom，Left lock-connecting piece is one one-tenth flute profile、The both sides of flute profile with mutual to the aluminum component wearing circular hole，Right lock-connecting piece is the sliced pieces of the Al squeezing material of an Intermediate Gray U-lag，Left and right is connected part by lock bolt be connected to handle base two flute profile both sides to perforation，The bottom of left and right handles is allowed to engage each other with two U-lag plastic linings in handle base two flute profile，Safety fastener is the working of plastics with U-shaped card，Safety fastener is connected to the top of the rear side of groove on the right of handle base，What left lock-connecting piece was mutual is rotationally connected hole cylinder to wearing circular hole，Hole cylinder connects Quick Release，Quick Release interlocking is on right lock-connecting piece，And fast dismounting handle snaps in the U-shaped card of safety fastener，Interior poling passes through hanging bolt、Passscheiben and swollen plug，Handle base is fixed in the pore of front fork；Drive mechanism includes drive shaft, longitudinal drive shaft, laterally power transmission shaft, crank, foot is pedaled, prime bevel gear, prime angular wheel, rear class bevel gear, rear class angular wheel, sprocket wheel, flywheel and chain, prime bevel gear is fastened to drive shaft, drive shaft penetrates in the bearing in gearcase and lid, longitudinal drive shaft penetrates in the dead eye at lower connecting leg two, prime angular wheel is fastened to longitudinal drive shaft front end, rear class bevel gear is fastened to longitudinal drive shaft rear end, rear class angular wheel and sprocket wheel are fastened to the right head of horizontal power transmission shaft, during laterally power transmission shaft two ends are installed on the two bearings that back vent is anterior, two cranks are fixedly connected on the two ends of drive shaft, two pedals are connected to two cranks, chain is wire-wrapped in sprocket wheel and flywheel.

The invention has the beneficial effects as follows: the present invention uses front single tine, rear double forks, both after having take into account folding, two-wheeled can compare and drew close, it is also contemplated that rear double fork can guarantee that the intensity of the present invention, drive mechanism have employed longitudinal drive shaft and is arranged in lower connecting leg, it is arranged in gearcase with prime bevel gear, prime angular wheel, and the front portion of back vent top and middle part are with inside flanging, make the driving of the present invention and drive mechanism be obtained for and ideally hide.

Accompanying drawing explanation

Fig. 1 is present configuration schematic diagram；

Fig. 2 is the organigram of vehicle body of the present invention；

Fig. 3 is the schematic diagram of part drive mechanism of the present invention；

Fig. 4 is the schematic diagram of vehicle seat link gear part-structure of the present invention；

Fig. 5 is the schematic diagram of vehicle seat link gear folding principle of the present invention；

Fig. 6 is folding process schematic diagram of the present invention；

Fig. 7 is that the present invention folds complete figure；

In figure: 1 vehicle body, 2 side arms, 3 vehicle seat link gears, 4 front forks, 5 V-shaped folding hand handles, 6 front-wheels, 7 trailing wheels, 8 drive mechanisms；Wherein vehicle seat link gear 3 also includes: 31 saddles, and 32 fold saddle pipe, 33 seat pipe, and 34 seat pipe fold leaf, 35 connecting rods；Drive mechanism 8 also includes: 811 drive shafts, 812 longitudinal drive shafts, 813 horizontal power transmission shafts, 821 cranks, 822 pedals, 83 prime bevel gears, 84 prime angular wheels, 85 rear class bevel gears, 86 rear class angular wheels, 87 sprocket wheels, 88 flywheels, 89 chains.

Detailed description of the invention

According to Fig. 1, Fig. 2, Fig. 3, Fig. 4, described bevel gear driven type portable bicycle, including vehicle body 1, side arm 2, vehicle seat link gear 3, front fork 4, V-shaped folding hand 5, front-wheel 6, trailing wheel 7 and drive mechanism 8；

Described vehicle body 1 includes folded box, ears stamping, upper connecting leg, vehicle body latch hook, gearcase, lower connecting leg, back vent, lid and bearing backing member, described folded box is before and after's opening, top seal, the box-like stamping parts of the inside flanging of obliquely downward, the left and right sides of described folded box forward lower comer have a pair mutual to perforation, what described folded box forward lower comer was mutual is that left hole is the most forward to perforation, right ports the most rearward oblique to perforation, the left and right sides at described folded box rear portion have a pair mutual to perforation, the welded top of described folded box has described ears stamping, described ears stamping fore-and-aft direction is flute profile, the left and right sides is halfround bar slice shape, the mutual parts to perforation are had on two halves disc, described folded box is the top of rear aperture, also weld an arc-like sheet.

Described vehicle body latch hook is middle part band collar aperture, front lower place buckle, the aluminium extruded type blank of rear portion flat, the vertical of described vehicle body latch hook rear portion flat has an elongated hole, the collar aperture of described vehicle body latch hook is by lock to pierce one's ears hole be rotationally connected mutual with described ears stamping of bolt, penetrate in the elongated hole of described vehicle body latch hook again with a bolt, penetrate again in a little spring, then be screwed into the top of described folded box.

nullThe upper connecting leg described in the connection of lower section of described folded box，The gearcase described in the welding of lower end of described upper connecting leg，Described gearcase is the stamping of opening round cell type to the left，There is a bowl-type counterbore at the middle part of the right flank of described gearcase、It is through hole in the middle of bowl-type counterbore，There is a perforate described gearcase round side rearward，Described gearcase justifies the circle of the perforate of side rearward through corresponding with the caliber of described lower connecting leg，The opening part of described gearcase has the auricle of three inside bendings of decile，It is respectively arranged with a screwed hole on three auricles，The front end of perforate and described lower connecting leg that described gearcase justifies side rearward is welded，The rear end of described lower connecting leg is welded in the perforate of described back vent front end face，Described back vent is that front end face has a perforate、The front portion of the left and right sides is respectively arranged with the stamping of a bowl-type counterbore，Two bowl-type counterbores of described back vent with mutual to perforation，The front portion of described back vent top and middle part are with inside flanging，The rear end of described back vent two fork is respectively arranged with a U-lag，The U-lag of described back vent is for installing described trailing wheel 7，Described trailing wheel 7 is the inflated wheel of 10 inches.

Embedded bearing in described gearcase bowl-type counterbore, the front-end and back-end of described lower connecting leg pore are respectively embedded with a bearing backing member, described bearing backing member is that counterbore is connected with through hole, the outer warp of counterbore one is with the nylon part of chimb, bearing backing member described in two respectively inlays a bearing, a bearing is respectively inlayed in two bowl-type counterbores of described back vent, the left side of described gearcase is furnished with described lid, described lid is that middle part has a bowl-type counterbore, there is the dome-shaped stamping of a through hole centre of bowl-type counterbore, embedded bearing in the bowl-type counterbore of described lid, three connecting holes also it are symmetrically distributed with on described lid, three connecting holes of described lid are corresponding with the screwed hole of described gearcase left surface three auricle, described lid is connected to the left side of described gearcase by three connecting holes with three bolts.

Described side arm 2 includes front head tube, front-axle beam pipe and beam pipe fold leaf, the front-axle beam pipe described in upper weld of described front head tube, the beam pipe described in the welding of rear end of described front-axle beam pipe folds leaf, described beam pipe folds leaf and is made up of rectangle punching and fork-shaped stamping, the back lower place of described rectangle punching is welded with a fork-shaped stamping, it is the most oblique to perforation that the anterior left and right sides of described fork-shaped stamping has behind the most left front right side, the left and right sides at the rear portion of described fork-shaped stamping has mutual to perforation, described beam pipe folds the most oblique to being punched through lock bolt and described the most oblique be rotationally connected perforation of folded box forward lower comer of leaf, what described beam pipe folding leaf rear portion was mutual is used for connecting described connecting rod 35 to perforation, described beam pipe folds the top of leaf and can be lived by described vehicle body lock hook lock.

Described vehicle seat link gear 3 includes saddle 31, fold saddle pipe 32, seat pipe 33, seat pipe folds leaf 34 and connecting rod 35, described folding saddle pipe 32 includes folding leaf, lower folding leaf, saddle pipe head, saddle pipe, semicircle lock shaft and safety plug, described upper folding leaf is that back becomes configuration, front is the horizontal parts with volume two circles, the configuration on described upper folding leaf one side and half described circular shaft phase contract, the hole of described upper folding leaf volume two circles in front is same center of circle line, described saddle pipe head is upwards welded at the top of described upper folded piece, described saddle pipe head can be fixed interlocking by the pipe clamp of described saddle 31.

Described lower folding leaf is the stamping parts of one one-tenth flute profile, before and after described lower folding leaf flute profile two sides, two is respectively arranged with mutual to wearing circular hole, the middle part of described lower folding leaf flute profile two sides has one mutual to wearing rectangular opening, described lower folding leaf front mutual to being punched through wearing bolt volume two circles in front with described upper folding leaf and a torsion spring is rotationally connected, described saddle pipe is a metal circular tube, the bottom of described saddle pipe is welded with described saddle pipe downwards, and described saddle pipe is installed in described seat pipe 33.

Described semicircle lock shaft, including half circular shaft, lock handle and packing ring, half described circular shaft is that the blank of iron wire material of a semicircle shape, one end have a screwed hole, the left head of described half circular shaft is connected with described lock handle, described lock handle can be that Al squeezing material slice processing forms, can also be to strengthen nylon plastic(s) to be molded, described half circular shaft is penetrated in described gasket hole, penetrate the most from left to right described lower folding leaf back mutual to wearing in circular hole, then screw in the screw of described half circular shaft right-hand member bolt location.

Described safety plug, it is the fan-shaped pin of head, head band one sulculus, the sulculus at described safety plug top and the lock handle of described semicircle lock shaft match, described safety plug can be that Al squeezing material slice processing forms, can also be to strengthen nylon plastic(s) to be molded, what described safety plug penetrated described lower folding leaf central part from left to right neutralizes in a spring to wearing rectangular opening, screw on a top of a spring and the cervical region of described safety plug again a stove bolt, make described safety plug keep playing shape.

nullDescribed seat pipe 33，It is that the side at a pipe top has a groove、And a pipe clamp it is socketed at top，The seat pipe described in leading flank welding bottom described seat pipe 33 folds leaf 34，It is a upper side band volume circle that described seat pipe folds leaf 34、The stamping parts of a pair volume of circle of lower sideband，Described seat pipe folds leaf 34 times has one corresponding with the oscillating bearing of described connecting rod 35 to open shelves to the centres of volume circle，Described seat pipe folds the upper volume circle of leaf 34 by lock bolt and mutual be rotationally connected perforation in described folded box rear portion，Described connecting rod 35 is the two parts respectively with an oscillating bearing，The oscillating bearing at described connecting rod 35 two is the oscillating bearing of endoporus φ 8 millimeters，Volume circle is connected by described connecting rod 35 back oscillating bearing by lock bolt is folded the lower of leaf 34 with described seat pipe，Described connecting rod 35 front oscillating bearing is by folding mutual be connected hole in leaf rear portion to lock bolt with described beam pipe.

Described front fork 4 is the single tine shape front fork that front fork is connected with front fork tube one, described front fork 4 is to be pressed into wavy bending, again close-fitting press-in cylindrical metal part in pore at the bottom of pipe with a metal circular tube, the related cylindrical metal part in side bottom described pipe is opened together and is screwed into front axle in a screwed hole, screwed hole and forms again, the top of described front fork 4 is rotationally connected with front head tube by seven bowls, described front-wheel 6 is socketed on the front axle of described front fork 4, and described front-wheel 6 is the inflated wheel of 10 inches.

nullDescribed V-shaped folding hand is 5，Including handle base、U-lag plastic lining、Left and right connects part、Left and right handles、Left lock-connecting piece、Right lock-connecting piece、Hole cylinder、Quick Release、Safety fastener、Inside extending tube and to lock bolt，Described handle base，It it is Intermediate Gray one circular hole、Both sides are respectively with flute profile、Two flute profiles inside the both sides of bottom land with convex tendon Al squeezing material cut off workpiece，Two side lower parts of described handle base two flute profile are respectively mutual to perforation with one，On the right of described handle base, a screwed hole is arranged at the top on rear side of groove，The bottom close-fitting socket of described handle base circular hole inside extending tube described in，Described U-lag plastic lining be upper middle part be U-lag、Bottom is flat-bottom slot、The both sides of flat-bottom slot are with mutually to the working of plastics bored a hole，Respectively with sulculus outside the two of described U-lag plastic lining，The sulculus of U-lag plastic lining described in two is corresponding to the convex tendon in handle base flute profile described in two、And be pushed in the flute profile of handle base described in two，By U-lag plastic lining bottom described in two to perforation corresponding to handle base described in two two flute profile both sides to perforation，The U-lag of described U-lag plastic lining matches with the caliber of described left and right handles.

Described left and right connects part, it it is the workpiece of the Al squeezing material section of a bottom zone circle shape, described left and right connects the top of part, there is the cylinder of Vehicle Processing, described left and right connects the cylinder of part, is fixedly sheathed in the bottom of described left and right handles, described left and right handles and described left and right connect the socket place of part and are equipped with a pin, described left and right handles become lie prone outside V-shaped, top bends backward；Described left and right connect part by two to lock bolt be rotationally connected with bottom, described pedestal flute profile both sides to perforation in and U-lag plastic lining bottom described in two to perforation in.

nullDescribed left lock-connecting piece，It it is one one-tenth flute profile、The both sides of flute profile with mutual to the aluminum component wearing circular hole，Described left lock-connecting piece is welded in the left hand rear side bottom of described left and right handles，Described right lock-connecting piece，It it is the sliced pieces of the Al squeezing material of an Intermediate Gray U-lag，Described right lock-connecting piece is welded in the rear side of the right handgrip bottom of described left and right handles，The U-lag of described right lock-connecting piece is corresponding with the flute profile of described left lock-connecting piece，Described hole cylinder，It is that the side of a metal cylinder has a pair perforation，Described hole cylinder penetrate described left lock-connecting piece up and down to wearing in circular hole、And be rotatably assorted to wearing circular hole with the mutual of described left lock-connecting piece，Described Quick Release is by a circle hook bolt、Fast dismounting handle、Pad、Spring and Anti-slip nut are constituted，Eccentric orfice on described fast dismounting handle is rotationally connected with described circle hook bolt by rivet，Described circle hook bolt penetrates described pad、Penetrate again in a spring、Penetrate again the hole cylinder side that is connected in the described upper and lower circular hole of left lock-connecting piece in perforation，And be positioned in the groove of described left lock-connecting piece，Screw the most again in described Anti-slip nut，Described Quick Release interlocking is in the U-lag of described right lock-connecting piece，Described safety fastener is the working of plastics with U-shaped card，Connecting hole is arranged at the bottom of described safety fastener U-shaped card，The connecting hole of described safety fastener is bolted to the screwed hole of the upper back of groove on the right of described handle base，The U-shaped card of described safety fastener is corresponding with the fast dismounting handle of described Quick Release、And engage.

nullDescribed drive mechanism 8 includes drive shaft 811、Longitudinal drive shaft 812、Laterally power transmission shaft 813、Crank 821、Pedal 822、Prime bevel gear 83、Prime angular wheel 84、Rear class bevel gear 85、Rear class angular wheel 86、Sprocket wheel 87、Flywheel 88 and chain 89，Described prime bevel gear 83 is the modification of nylon bevel gear of 2.5 modulus 30 teeth，There is metal insert the centre of described prime bevel gear 83、The center of metal insert is with anti-pitch thread hole，Described prime bevel gear 83 is fastened in described drive shaft 811，Described drive shaft 811 is that middle part has kept left anti-pitch thread、Two ends are with square tenon、The cylindrical axle that dead eye in two and described gearcase and described lid matches，Two of described drive shaft 811 penetrates in the bearing in described gearcase and described lid，Described longitudinal drive shaft 812 is the axle of the anti-pitch thread of two ends band，Described longitudinal drive shaft 812 penetrates in the bearing at described lower connecting leg two，Described prime angular wheel 84 is the modification of nylon angular wheel of 2.5 modulus 15 teeth，There is metal insert the centre of described prime angular wheel 84、The center of metal insert is with anti-pitch thread hole，Described prime angular wheel 84 is fastened to the front end of described longitudinal drive shaft 812，Described prime angular wheel 84 engages cooperation with described prime bevel gear 83，Described rear class bevel gear 85 is the modification of nylon bevel gear of 2 modulus 30 teeth，There is metal insert the centre of described rear class bevel gear 85、The center of metal insert is with anti-pitch thread hole，Described rear class bevel gear 85 is fastened to the rear end of described longitudinal drive shaft 812，Described rear class angular wheel 86 is the modification of nylon angular wheel of 2 mould 15 teeth，There is metal insert the centre of described rear class angular wheel 86、The center of metal insert is with screwed hole，The metal insert of described rear class angular wheel 86 is fixing with described sprocket wheel 87 to be connected，Described rear class angular wheel 86 is inconjunction with described sprocket wheel 87 and is fastened to the right head of described horizontal power transmission shaft 813，Described horizontal power transmission shaft 813 is right headband external screw thread、The center of two ends end points respectively axle with a screwed hole，Described sprocket wheel 87 is the sprocket wheel of 4 point of 10 tooth，The two ends of described horizontal power transmission shaft 813 penetrate in the bearing in the anterior two bowl-type counterbores of described rear wheel fork，Respectively it is fastened to a pad in the screwed hole at described horizontal power transmission shaft 813 two ends with two bolts again，Crank 821 described in two is fixedly connected on the square tenon at described drive shaft 811 two ends，Pedal 822 described in two is connected on the crank 821 described in two，Described pedal 822 is folding pedal，Described chain 89 is wire-wrapped on described sprocket wheel 87 and described flywheel 88，Described flywheel 88 is the coupled flywheel of 4 point of 9 tooth.

Claims

null1. a bevel gear driven type portable bicycle，Including vehicle body、Side arm、Vehicle seat link gear、Front fork、V-shaped folding hand handle、Front-wheel、Trailing wheel and drive mechanism，It is characterized in that: vehicle body includes folded box、Ears stamping、Upper connecting leg、Vehicle body latch hook、Gearcase、Lower connecting leg、Back vent、Lid and bearing backing member，The upper connecting leg of lower section welding of folded box，The bottom welding gearcase of upper connecting leg，The lower connecting leg of rear welding of gearcase，The rear end welding back vent of lower connecting leg，Folded box is box-like stamping parts，The left and right sides of folded box forward lower comer have a pair mutual to perforation，What folded box forward lower comer was mutual is that left hole is the most forward to perforation、Right ports the most rearward oblique to perforation，The left and right sides at folded box rear portion have a pair mutual to perforation，The welded top of folded box has ears stamping、Have in ears stamping mutual hole of piercing one's ears，Ears stamping in hole of piercing one's ears by lock bolt be rotationally connected vehicle body latch hook，Connect between vehicle body latch hook and the top of folded box and have spring，Gearcase is the stamping of a circle cell type，The middle embedded bearing of the right flank of gearcase，The left side of gearcase is furnished with lid，The middle embedded bearing of lid，A bearing backing member respectively it is embedded with in the pore at lower connecting leg two、Embedded bearing in bearing backing member，A bearing is respectively inlayed in the two sides of back vent front portion，The rear end of back vent two fork is respectively arranged with a U-lag，Trailing wheel is installed on the rear end of back vent；Side arm is by front head tube, front-axle beam pipe and beam pipe fold leaf and constitute, the upper weld front-axle beam pipe of front head tube, the rear end welded grider pipe of front-axle beam pipe folds leaf, beam pipe folds leaf and is made up of rectangle punching and fork-shaped stamping, the back lower place of rectangle punching is welded with a fork-shaped stamping, it is the most oblique to perforation that the anterior left and right sides of fork-shaped stamping has behind the most left front right side, the left and right sides at the rear portion of fork-shaped stamping has mutual to perforation, beam pipe fold leaf the most oblique to being punched through perforation is rotationally connected by lock oblique mutual with folded box forward lower comer of bolt, beam pipe folds the front top of leaf and can be lived by vehicle body lock hook lock；nullVehicle seat link gear includes saddle、Fold saddle pipe、Seat pipe、Seat pipe folds leaf and connecting rod，Fold saddle pipe and include folding leaf、Lower folding leaf、Saddle pipe head、Saddle pipe、Semicircle lock shaft and safety plug，Upper folding leaf is while becoming configuration、Another side is the horizontal parts with a pair volume of circle，Lower folding Ye Shiyi is cut into the parts of flute profile，Two of lower folding leaf flute profile two sides is respectively arranged with mutual through circular hole，There is a mutual through rectangular opening at the middle part of lower folding leaf flute profile two sides，One, lower folding leaf two sides to wear circular hole by lock bolt be rotationally connected a pair volume of circle that upper folding leaf is horizontal、And it is furnished with torsion spring，Semicircle lock shaft is loaded lower fold leaf other end to wearing in circular hole，Rotate semicircle lock shaft and can pin the configuration limit of folding leaf，Safety plug is loaded lower folding in the mutual through rectangular opening of leaf，And mix spring，The lock handle of safety plug and semicircle lock shaft coordinates，Semicircle lock shaft can be positioned，Saddle pipe head welds with upper folding leaf，Saddle pipe welds with lower folding leaf，Saddle is connected on saddle pipe head，Saddle pipe is installed in seat pipe，Side welding seat pipe bottom seat pipe folds leaf，It is that circle laterally rolled up by upper side band one that seat pipe folds leaf、There are the parts of a pair horizontal volume circle below，Seat pipe folds the top volume circle of leaf by lock bolt be rotationally connected perforation mutual with folded box rear portion，Connecting rod is the two parts respectively with an oscillating bearing，Connecting rod back oscillating bearing is connected by lock bolt is folded the following a pair horizontal volume circle of leaf with seat pipe，Connecting rod front oscillating bearing is by lock bolt and mutual being connected perforation in beam pipe folding leaf rear portion；nullFront fork is the single tine that a pipe is pressed into wavy bending，Front fork is rotationally connected with front head tube by seven bowls，Front-wheel is installed on front fork，V-shaped folding hand handle is fixing with front fork to be connected，V-shaped folding hand handle is cup joint style lock-connecting piece V-shaped folding hand handle，V-shaped folding hand is including handle base、U-lag plastic lining、Left and right connects part、Left and right handles、Left lock-connecting piece、Right lock-connecting piece、Hole cylinder、Quick Release、Safety fastener、Inside extending tube and to lock bolt，Handle base is Intermediate Gray one circular hole、Both sides are respectively with flute profile、Two flute profiles inside the both sides of bottom land with convex tendon Al squeezing material cut off workpiece，Two side lower parts of handle base two flute profile are respectively mutual to perforation with one，Poling in the bottom close-fitting socket one of handle base circular hole，Two flute profiles of handle base are respectively inlayed connection one U-lag plastic lining，Left and right connects part and is fixedly connected on the bottom of left and right handles，Left lock-connecting piece and right lock-connecting piece are respectively welded in the rear side of left and right handles bottom，Left lock-connecting piece is one one-tenth flute profile、The both sides of flute profile with mutual to the aluminum component wearing circular hole，Right lock-connecting piece is the sliced pieces of the Al squeezing material of an Intermediate Gray U-lag，Left and right is connected part by lock bolt be connected to handle base two flute profile both sides to perforation，The bottom of left and right handles is allowed to engage each other with two U-lag plastic linings in handle base two flute profile，Safety fastener is the working of plastics with U-shaped card，Safety fastener is connected to the top of the rear side of groove on the right of handle base，What left lock-connecting piece was mutual is rotationally connected hole cylinder to wearing circular hole，Hole cylinder connects Quick Release，Quick Release interlocking is on right lock-connecting piece，And fast dismounting handle snaps in the U-shaped card of safety fastener，Interior poling passes through hanging bolt、Passscheiben and swollen plug，Handle base is fixed in the pore of front fork；Drive mechanism includes drive shaft, longitudinal drive shaft, laterally power transmission shaft, crank, foot is pedaled, prime bevel gear, prime angular wheel, rear class bevel gear, rear class angular wheel, sprocket wheel, flywheel and chain, prime bevel gear is fastened to drive shaft, drive shaft penetrates in the bearing in gearcase and lid, longitudinal drive shaft penetrates in the dead eye at lower connecting leg two, prime angular wheel is fastened to longitudinal drive shaft front end, rear class bevel gear is fastened to longitudinal drive shaft rear end, rear class angular wheel and sprocket wheel are fastened to the right head of horizontal power transmission shaft, during laterally power transmission shaft two ends are installed on the two bearings that back vent is anterior, two cranks are fixedly connected on the two ends of drive shaft, two pedals are connected to two cranks, chain is wire-wrapped in sprocket wheel and flywheel；Described folded box is before and after's opening, top seal, the box-like stamping parts of the inside flanging of obliquely downward, described ears stamping fore-and-aft direction be flute profile, the left and right sides be on halfround bar slice shape, two halves disc, to have the mutual parts to perforation, an arc-like sheet is also welded in the top of described folded box rear aperture, described vehicle body latch hook is middle part band collar aperture, front lower place buckle, the aluminium extruded type blank of rear portion flat, and the vertical of described vehicle body latch hook rear portion flat has an elongated hole；Described safety plug, it is the fan-shaped pin of head, head band one sulculus, the sulculus at described safety plug top and the lock handle of described semicircle lock shaft match, what described safety plug penetrated described lower folding leaf central part from left to right neutralizes in a spring to wearing rectangular opening, screw on a top of a spring and the cervical region of described safety plug again a stove bolt, make described safety plug keep playing shape.
nullBevel gear driven type portable bicycle the most according to claim 1，It is characterized in that: there is a bowl-type counterbore at the middle part of the right flank of described gearcase、It is through hole in the middle of bowl-type counterbore，There is a perforate described gearcase round side rearward，It is corresponding with the caliber of described lower connecting leg that described gearcase justifies the diameter of the perforate of side rearward，The opening part of described gearcase has the auricle of three inside bendings of decile，It is respectively arranged with a screwed hole on three auricles，The front end of perforate and described lower connecting leg that described gearcase justifies side rearward is welded，The rear end of described lower connecting leg is welded in the perforate of described back vent front end face，Described back vent is that front end face has a perforate、The front portion of the left and right sides is respectively arranged with the stamping of a bowl-type counterbore，Two bowl-type counterbores of described back vent with mutual to perforation，The front portion of described back vent top and middle part are with inside flanging，The U-lag of described back vent is for installing described trailing wheel.
Bevel gear driven type portable bicycle the most according to claim 2, it is characterized in that: embedded bearing in described gearcase bowl-type counterbore, described bearing backing member is that counterbore is connected with through hole, the outer warp of counterbore one is with the nylon part of chimb, a bearing is respectively inlayed in two bowl-type counterbores of described back vent, described lid is that middle part has a bowl-type counterbore, there is the dome-shaped stamping of a through hole centre of bowl-type counterbore, embedded bearing in the bowl-type counterbore of described lid, three connecting holes also it are symmetrically distributed with on described lid, three connecting holes of described lid are corresponding with the screwed hole of described gearcase left surface three auricle, described lid is connected to the left side of described gearcase by three connecting holes with three bolts.
Bevel gear driven type portable bicycle the most according to claim 1, it is characterized in that: the hook-type of described upper folding leaf and half circular shaft phase contract, the hole of described upper folding leaf volume two circles in front is same center of circle line, described semicircle lock shaft, including half circular shaft, lock handle and packing ring, half described circular shaft is the blank of the iron wire material of a semicircle shape, one end has a screwed hole, the left head of described half circular shaft is connected with described lock handle, described half circular shaft is penetrated in gasket hole, penetrate the most from left to right described lower folding leaf back mutual to wearing in circular hole, bolt of screwing in the screw of described half circular shaft right-hand member again positions.
Bevel gear driven type portable bicycle the most according to claim 1, it is characterized in that: described front fork is the single tine shape front fork that front fork is connected with front fork tube one, described front fork is to be pressed into wavy bending, again close-fitting press-in cylindrical metal part in pore at the bottom of pipe with a metal circular tube, the related cylindrical metal part in side bottom described pipe is opened together and is screwed into front axle in a screwed hole, screwed hole and forms again, described front-wheel is socketed on the front axle of described front fork, and described front-wheel is the inflated wheel of 10 inches.
Bevel gear driven type portable bicycle the most according to claim 1, it is characterized in that: the sulculus of U-lag plastic lining described in two is corresponding to the convex tendon in handle base flute profile described in two, and be pushed in the flute profile of handle base described in two, by U-lag plastic lining bottom described in two to perforation corresponding to handle base described in two two flute profile both sides to perforation, the U-lag of described U-lag plastic lining matches with the caliber of described left and right handles, described Quick Release be connected to the hole cylinder side in the described upper and lower circular hole of left lock-connecting piece to perforation in, and be positioned in the groove of described left lock-connecting piece, described Quick Release interlocking is in the U-lag of described right lock-connecting piece.
nullBevel gear driven type portable bicycle the most according to claim 1，It is characterized in that: described prime bevel gear is the modification of nylon bevel gear of 2.5 modulus 30 teeth，There is metal insert the centre of described prime bevel gear、The center of metal insert is with anti-pitch thread hole，Described prime bevel gear is fastened in described drive shaft，Described drive shaft is that middle part has kept left anti-pitch thread、Two ends are with square tenon、The cylindrical axle that dead eye in two and described gearcase and described lid matches，Described longitudinal drive shaft is the axle of the anti-pitch thread of two ends band，Described prime angular wheel is the modification of nylon angular wheel of 2.5 modulus 15 teeth，There is metal insert the centre of described prime angular wheel、The center of metal insert is with anti-pitch thread hole，Described prime angular wheel engages cooperation with described prime bevel gear，Described rear class bevel gear is the modification of nylon bevel gear of 2 modulus 30 teeth，There is metal insert the centre of described rear class bevel gear、The center of metal insert is with anti-pitch thread hole，Described rear class angular wheel is the modification of nylon angular wheel of 2 mould 15 teeth，There is metal insert the centre of described rear class angular wheel、The center of metal insert is with screwed hole，The metal insert of described rear class angular wheel is fixing with described sprocket wheel to be connected，Described rear class angular wheel is inconjunction with described sprocket wheel and is fastened to the right head of described horizontal power transmission shaft.