CN106741485B - Quick telescopic handle folding shock-proof pedal bike - Google Patents

Abstract

A folding shock-absorbing pedal bike with a fast telescopic handle comprises a fast telescopic rotating handle, a front fork, a front frame, a folding connecting rod, a bike body, a front wheel, a rear wheel and a driving mechanism, wherein the fast telescopic handle is formed by connecting a left handle, a right handle, an upper locking piece, a lower locking piece and a handle, the front frame is formed by connecting a front connecting piece, a rotating part, a rear connecting piece and a groove connecting piece, the groove connecting piece is connected with a positioning shaft, the front end and the rear end of the folding connecting rod are respectively connected with a transverse hole at the rear upper rear of the rear connecting piece and the upper side of the bike body main piece, the front rod and the rear rod of the folding connecting rod can be mutually locked, the bike body is formed by connecting a bike body main piece, a front bearing, a pressing ring, two rear bearings, a bearing seat, a positioning shaft, a shock-absorbing block, a left wheel fork, a right wheel fork and a shock-absorbing blocking piece, the front wheel is installed on the front shaft, the rear wheel is installed on, A flywheel and a chain.

Description

Quick telescopic handle folding shock-proof pedal bike

Technical Field

The invention relates to a folding pedal bike, in particular to a folding shock-proof pedal bike with a fast telescopic handle.

Background

There is folding scooter in the existing market, because reasons such as structure and structure, still can not reach very little after folding, even little degree that can put into the knapsack.

Disclosure of Invention

The invention aims to provide a scooter with a folding shock-proof type handlebar, which can be put into a backpack after being folded in a novel folding mode of a fast telescopic handlebar type. The object of the invention is thus achieved; swift flexible folding shock absorber formula of handle is ridden swift current car, including swift flexible handle, front fork, front truck, folding connecting rod, automobile body, front wheel, rear wheel and actuating mechanism, characterized by: the quick telescopic handle comprises a left handle, a right handle, an upper locking piece, a lower locking piece and a handle, wherein the left handle and the right handle are formed by bending the upper end of a circular tube at right angle, the lower part of the right-angle bending part of the left handle and the right handle is respectively provided with a threaded hole, the side surfaces of the bottom ends of the left handle and the right handle are respectively provided with a threaded hole, the upper locking piece comprises an upper clamping piece and an upper quick release, the left end and the right end of the upper clamping piece are respectively provided with an up-down slotted round hole, the slotted round holes at the left end and the right end of the upper clamping piece are towards the front, the left slotted side of the slotted round hole at the left end of the upper clamping piece is provided with a forward left convex piece, the right slotted round hole at the right end of the upper clamping piece is provided with a forward right convex piece, a mutual transverse through hole is arranged between the left convex piece, the right convex, the left handle and the right handle penetrate into the up-down slotted round holes at the left end and the right end of the upper clamping piece, the threaded holes below the right-angle bending part of the left handle and the right handle correspond to the bottom side surface of the upper clamping piece, two bolts are respectively screwed into the threaded holes below the right-angle bending part of the left handle and the right handle, the left handle, the right handle and the upper clamping piece are limited in rotation, the slotted round holes at the left end and the right end of the upper clamping piece can be tightened by the upper quick release, and the left handle and the right handle in the upper clamping piece are fixed; the lower locking piece is composed of a lower clamping piece and a lower quick release, the front part on the left side and the front part on the right side of the lower clamping piece are respectively provided with an up-down slotted round hole, the slot of the slotted round hole on the front part on the left side of the lower clamping piece faces to the front, the slot of the slotted round hole on the front part on the right side of the lower clamping piece faces to the front, the slot of the slotted round hole on the front part on the left side of the lower clamping piece faces to the front, a transverse through hole is arranged among the left tab, the tab and the right tab of the lower clamping piece, the rear part on the left side of the lower clamping piece is provided with an up-down round hole, the rear part on the right side of the lower clamping piece is provided with an up-down round hole, the left handle and the right handle penetrate into the, the two bolts are respectively screwed into threaded holes at the bottom ends of the left handle and the right handle, the lower quick release is arranged in mutual transverse through holes of a left lug, a convex block and a right lug of the lower clamping piece, the lower quick release can tighten a slotted round hole at the left end and a slotted round hole at the right end of the lower clamping piece to fix the left handle and the right handle in the lower clamping piece, and the handle is connected to the upper parts of the left handle and the right handle and positioned above the upper clamping piece; the front frame is composed of a front connecting piece, a rotating part, a rear connecting piece and a groove-shaped connecting piece, wherein two front embracing connection holes of the front connecting piece are fixedly connected to the middle part of the front fork, the front connecting piece is an aluminum extruded cutting workpiece, two front ends and one rear end of the front connecting piece are respectively provided with an embracing connection hole, the rotating part is installed on the rear end embracing connection hole of the front connecting piece, the rear connecting piece is an aluminum extruded slicing workpiece, the front end of the rear connecting piece is in a groove shape, the upper side and the lower side of the groove shape of the rear connecting piece are provided with mutual opposite through holes, the rear upper side of the rear connecting piece is provided with a transverse hole, the rear lower end of the rear connecting piece is in a rod shape, the rear end of the rear connecting piece in a rod shape is connected with the groove-shaped connecting piece, the left side and the right side of the rear end of the groove-shaped connecting piece; the folding connecting rod comprises a front rod and a rear rod, the front rod is a slot-shaped part with a downward opening, two sides of the front end and the rear end of the front rod are respectively provided with a transverse opposite perforation, an upper and lower threaded hole is formed in the rear part of the top surface of the front rod groove, the semicircular head bolt is screwed in the upper and lower threaded hole of the front rod, the rear rod is a slot-shaped part with a downward opening, two sides of the front part and the rear end of the rear rod are respectively provided with a transverse opposite perforation, the front end of the top surface of the rear rod groove is provided with a long hole, the long hole of the rear rod is internally provided with a sliding lock and a small spring, the transverse opposite perforations of the front end of the front rod are rotatably connected with the transverse holes above the rear part of the rear connecting part through opposite bolts, the transverse opposite perforations of the rear end of the front rod are rotatably connected with the transverse opposite perforations of the front part of the rear rod through the opposite bolts, and the semicircular head bolt screwed on the front rod can be locked by the sliding lock arranged on the rear rod; the vehicle body consists of a vehicle body main part, a front bearing, a pressing ring, two rear bearings, a bearing seat, a positioning shaft, a shock absorption block, a left wheel fork, a right wheel fork and a shock absorption retaining sheet, wherein a first front counter bore is arranged on the left side of the middle part of the vehicle body main part, a first front counter bore of the vehicle body main part is connected with a middle through hole to the right, a middle through hole of the vehicle body main part is connected with a second front counter bore to the right, a first rear counter bore is connected with a second rear counter bore to the right, a second rear counter bore of the vehicle body main part is connected with a rear through hole to the right, a transverse hole is arranged at the front end of the vehicle body main part, a positioning shaft hole is arranged above the vehicle body main part, a transverse through hole is arranged at the rear part of the vehicle body main part, the shock absorption block is connected below the rear end of the vehicle body main part, the second front counter bore of the vehicle body main part is embedded with the front bearing, the pressing ring is covered on the right side of the second, fixing a front bearing in a second front counter bore of a main body part of the vehicle body, embedding a rear bearing in a second rear counter bore of the main body part of the vehicle body, embedding a rear bearing in a bearing seat, wherein the rear end of the bearing seat is provided with a hole corresponding to a transverse through hole at the rear part of the main body part of the vehicle body, the transverse through hole at the rear part of the main body part of the vehicle body is connected with a left wheel fork, the bearing seat and a right wheel fork through a locking bolt, a shock-absorbing baffle is connected between the left wheel fork and the right wheel fork, a positioning shaft penetrates through the mutual transverse through holes at the rear ends of the groove-shaped connecting parts and is tightly pressed in a positioning shaft hole of the main body part of the vehicle body, the transverse mutual opposite through holes at the rear ends of rear rods are rotationally connected with the transverse holes above the main body part of; the driving mechanism comprises a pedal member, a pedal, a crankshaft gear set, a rear gear set, a flywheel and a chain, wherein the crankshaft gear set comprises a crankshaft, a front gear and two crankshaft bearings, the crankshaft is formed by welding round steel with two ends bent at right angles and a wafer, the front gear is a nylon gear, a boss corresponding to an inner hole of the front bearing is arranged on the right side surface of the front gear, a groove corresponding to the round steel of the crankshaft is arranged on the boss of the front gear, the boss of the front gear penetrates into the inner hole of the front bearing from left to right, the left end of the crankshaft penetrates into a shaft hole of the front gear from left to right, the front gear is fixed with the crankshaft by matching of bolts and nuts, the two crankshaft bearings are sleeved at the two ends of the crankshaft, the rear gear set comprises a rear gear, a rear shaft and a chain wheel, the rear gear is fixedly connected to the left end of the rear shaft, the right end of the rear shaft penetrates into a rear bearing inner hole embedded in a, the left end of the rear shaft penetrates into a rear bearing inner hole in the bearing block, the chain wheel is fixedly connected to the right end of the rear shaft, the flywheel is installed on the right side of the rear wheel, the chain is wound on the chain wheel and the flywheel, the pedal rod piece is a sliced workpiece made of aluminum extruded sections, pipe holes corresponding to the positioning shaft are formed in the front end of the pedal rod piece, long round holes are formed in the lower portion of the front portion of the pedal rod piece, threaded holes screwed with pedals are formed in the rear end of the pedal rod piece, the pipe holes in the front ends of the two pedal rod pieces are rotatably sleeved at two ends of the positioning shaft, the long round holes of the two pedal rod pieces are slidably sleeved on two crankshaft bearings of the crankshaft gear set, and the two pedals are screwed in the two threaded; the rear shifting sliding lock folds the vehicle body upwards, the vehicle body is folded towards the front fork rod, and in addition, the folding of the fast telescopic handle is realized, so that the fast and perfect folding effect is achieved.

The invention has the beneficial effects that: the invention ensures that the whole frame basically has no electric welding through the ingenious matching of the section material piece and the stamping piece, and represents a new trend of the manufacturing process of the scooter; the handlebar of the invention adopts a quick and quick telescopic handle form, so that the folding of the handlebar is simplest and most effective; the front fork rod is connected into an upward and downward round hole at the left rear end of the lower clamping piece, the upward and downward round hole at one end of the front connecting piece is fixedly connected with the front fork piece, the upward and downward round hole at the other end of the front connecting piece is connected with the rotating part, and the front end of the rear connecting piece is connected with the rotating part through a butt-lock bolt; the groove-shaped connecting piece at the rear end of the rear connecting piece is rotatably connected to two end parts of the positioning shaft, and a front rod connected to the rear upper part of the rear connecting piece and a rear rod connected to the upper part of the main part of the vehicle body are added to form a four-link rod structure, so that the vehicle body can be folded effectively and quickly; the lower part of the rear end of the main part of the vehicle body is connected with a shock absorption block which is matched with a shock absorption baffle sheet connected between the left wheel fork and the right wheel fork, and the effective shock absorption effect can be achieved.

Description of the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an expanded view of the quick and easy telescopic handle of the present invention;

FIG. 3 is a schematic drawing illustrating the folding of the quick and easy telescopic handle of the present invention;

FIG. 4 is a schematic view of the construction of the back link of the present invention;

FIG. 5 is a schematic view of the construction of the vehicle body main part of the present invention;

FIG. 6 is a schematic structural view of a crankshaft gear set of the present invention;

FIG. 7 is a schematic view of the folding process of the present invention;

FIG. 8 is a folded view of the present invention;

in the figure: 1-quick telescopic handle, 2-front fork, 3-front frame, 4-folding connecting rod, 5-vehicle body, 6-front wheel, 7-rear wheel and 8-driving mechanism; wherein swift flexible handle 1 still includes: 11-left handle, 12-right handle, 13-upper locking piece, 14-lower locking piece, 15-handle.

The specific implementation mode is as follows:

according to the figure 1, the folding shock-absorbing pedal bike with the fast telescopic handle comprises the fast telescopic handle 1, a front fork 2, a front frame 3, a folding connecting rod 4, a bike body 5, a front wheel 6, a rear wheel 7 and a driving mechanism 8;

swift flexible handle 1 include left hand (hold) 11, right hand (hold) 12, go up locking part 13, down latch fitting 14 and handle 15, left hand (hold) 11 with right hand (hold) 12 all make the right angle bending by the upper end of pipe and form, left hand (hold) 11 with the side of right hand (hold) 12 right angle bending department below respectively opens there is a screw hole, left hand (hold) 11 with the side of right hand (hold) 12 bottom respectively opens there is a screw hole.

The upper locking piece 13 is composed of an upper clamping piece and an upper quick release piece, the upper clamping piece is an aluminum extruded cut-off piece, and can also be an aluminum forging piece or an aluminum die casting piece, the left end and the right end of the upper clamping piece are respectively provided with an up-down slotted round hole, the slots of the slotted round holes at the left end and the right end of the upper clamping piece face towards the front, the slotted left side of the slotted round hole at the left end of the upper clamping piece is provided with a forward left lug, the left side of the left lug of the upper clamping piece is arc concave, the slotted right side of the slotted round hole at the right end of the upper clamping piece is provided with a forward right lug, the middle part of the upper clamping piece is provided with a forward convex block, a mutual transverse through hole is arranged among the left lug of the upper clamping piece, the upper clamping piece and the right lug of the upper quick release piece, the middle rear part of the bottom surface of the upper clamping piece is provided with a downward protrusion, the transverse through hole among the left lug, the upper quick release comprises a quick release handle, a ring head bolt, an arc gasket, two quick release springs, two nuts and a c-shaped clamping piece, wherein the c-shaped clamping piece is made of nylon, the front end of the c-shaped clamping piece is provided with a c-shaped opening, the rear end of the c-shaped clamping piece is provided with a connecting hole, the c-shaped clamping piece is connected in front of a convex block of the upper clamping piece through a bolt, the quick release handle is a part that one end of a trigger is integrally connected with two parallel wafers, the two parallel wafers of the quick release handle are provided with mutual eccentric holes, the eccentric holes on the two wafers of the quick release handle are rotatably connected with the ring hole of the ring head bolt through rivets, the arc gasket is made of nylon, the arc of the arc gasket corresponds to the arc concave shape on the left side of the upper clamping piece, the ring head bolt penetrates through the arc gasket, the hole of the left convex piece of the upper clamping piece, the quick release spring, the hole of the upper convex piece, the other, the two nuts are oppositely screwed and positioned, the quick-release handle is pulled to tighten the slotted holes at the left end and the right end of the upper clamping piece, the slotted holes at the left end and the right end of the upper clamping piece are tightened by the left handle 11 positioned in the slotted hole at the left end of the upper clamping piece and the right handle 12 positioned in the slotted hole at the right end of the upper clamping piece, and the quick-release handle after being locked is clamped into a c-shaped opening of a c-shaped clamping piece.

The left handle 11 and the right handle are inserted into ring holes at the left end and the right end of the handle 15, the handle 15 is a plastic piece, the left end and the right end of the handle 15 are respectively connected with a ring hole in the up-down direction, the hole diameters of the two ring holes of the handle 15 correspond to the outer diameters of the left handle 11 and the right handle 12, the upper part of the handle 15 is a handle of the handle, the two ring holes of the handle 15 are respectively positioned below the bending part of the left handle 11 and the right handle 12, the left handle 11 is inserted into a slotted round hole at the left end of the upper clamp, the right handle 12 is inserted into a slotted round hole at the right end of the upper clamp, a threaded hole below the right-angled bending part of the left handle 11 and the right handle 12 corresponds to the bottom side surface of the upper clamp, and two bolts are respectively screwed into a threaded hole below the right-angled bending part of the left handle 11 and a threaded hole below the right-angled bending part of the right handle 12, the bolt screwed into the threaded hole below the right-angled bend of the left handle 11 and the bolt screwed into the threaded hole below the right-angled bend of the right handle 12 are respectively located at the bottom side of the upper clamp member, and when the left handle 11 and the right handle 12 are unfolded, the bolt screwed into the threaded hole below the right-angled bend of the left handle 11 and the bolt screwed into the threaded hole below the right-angled bend of the right handle 12 are limited by the downward protrusion of the middle-rear portion of the bottom surface of the upper clamp member.

The quick-release clamp comprises a lower clamp 14, a quick-release lower clamp, a front part of the left side of the lower clamp and a front part of the right side of the lower clamp are respectively provided with an upper and a lower downward slotted round holes, a slot of the left front slotted round hole of the lower clamp faces the front, a slot of the right front slotted round hole of the lower clamp faces the front, a forward left lug is arranged on the left side of the slot of the left front slotted round hole of the lower clamp, the left side of the left lug of the lower clamp is arc-concave, a forward right lug is arranged on the right side of the slot of the right front slotted round hole of the lower clamp, a forward convex block is arranged in the middle of the front part of the lower clamp, a mutual transverse through hole is arranged between the left lug of the lower clamp and the right lug of the lower clamp, an upper and a lower circular hole are arranged on the rear part of the right front of the lower clamp, an upper and a lower circular hole of the lower clamp, the lower clamp is provided with a corresponding upper and a quick-release lower clamp, the two quick-release clamp, the front clamp is formed by a lower clamp, the two quick-release clamp is formed by a lower clamp, the two quick-release clamp, the quick-release clamp is formed by the two quick-release clamp, the quick-release lower clamp is formed by the two quick-release clamp, the two quick-release lower clamp, the quick-release lower clamp, the quick-release clamp is formed by the quick-release clamp, the quick-release lower clamp is formed by the quick-release lower clamp, the quick-release lower clamp, the quick-release clamp is the quick-release clamp, the quick-release lower clamp, the quick-release clamp, the quick.

The left handle 11 and the right handle 12 penetrate into a slotted round hole in the front part of the left side of the lower clamping piece and a slotted round hole in the front part of the right side of the lower clamping piece respectively, two bolts are screwed into a threaded hole in the side surface of the bottom end of the left handle 11 and a threaded hole in the side surface of the bottom end of the right handle 12 respectively, the bolt screwed in the threaded hole in the side surface of the bottom end of the left handle 11 is used as upward limit of the slotted round hole in the front part of the left side of the lower clamping piece, and the bolt screwed in the threaded hole in the side surface of the bottom end of the right handle 12 is used as upward limit of.

The front frame 3 comprises a front connecting piece, a rotating part, a rear connecting piece and a groove-shaped connecting piece, wherein the front connecting piece is an aluminum extruded cutting-off piece, the front connecting piece is in a overlooked V shape, two front ends and one rear end of the front connecting piece are respectively provided with a round hole with a slit, the vertical directions of the slits of the two round holes with slits at the two front ends of the front connecting piece are respectively provided with a transverse pair of through holes, the round hole with the slit at the front end of the front connecting piece is connected with the transverse pair of through holes with the vertical directions of the slits and is called as a front embracing hole, the vertical direction of the slit at the rear end of the front connecting piece is provided with a transverse pair of through holes, the round hole with the slit at the rear end of the front connecting piece is called as a rear embracing connecting hole, the two front embracing holes of the front connecting piece are fixedly connected to the middle part of the front fork by screwing of a bolt nut, and the rear embracing connecting hole of the front connecting piece is fixedly connected to the front shaft tube, the rotating part comprises a front axle tube and two bearings, the upper and lower ends of the tube hole of the front axle tube are respectively milled with counter bores for placing the rotating bearings, the two bearings are respectively embedded in the counter bores at the upper and lower ends of the front axle tube and the inner bores of the two bearings, corresponding to the mutual opposite through holes of the upper side surface and the lower side surface of the groove type at the front end of the back connecting piece, the back connecting piece is an aluminum extrusion type slicing and processing piece, the front end of the rear connecting piece is of a groove shape, the upper side and the lower side of the groove shape of the rear connecting piece are provided with a pair of through holes, the upper side and the lower side of the front connecting piece groove shape are punched into round corners, a transverse hole is arranged at the rear upper part of the rear connecting piece, the rear lower end of the rear connecting piece is in a rod shape, the rear end of the rear connecting piece in the rod shape is connected with the groove-shaped connecting piece through a bolt, the groove-shaped connecting piece is formed by stamping a sheet metal in a strip shape, the left side and the right side of the rear end of the groove-shaped connecting piece are provided with a mutual transverse through hole, and the groove-shaped mutual through holes of the rear connecting piece are connected with the rotating component through the locking bolts.

The folding connecting rod 4 comprises a front rod, a rear rod, a sliding lock, a small spring and a semicircular head bolt, wherein the front rod is a groove-shaped piece with a downward opening, two sides of the front end and the rear end of the front rod are respectively provided with a transverse opposite through hole, the front end of the top surface of the front rod groove is provided with a groove-shaped opening, the rear part of the top surface of the front rod groove is provided with an up-down threaded hole, the semicircular head bolt is screwed in the up-down threaded hole of the front rod, the rear rod is a groove-shaped piece with a downward opening, the transverse width in the groove-shaped of the rear rod corresponds to the transverse outer diameter of the front rod, two sides of the front part and the rear end of the rear rod are respectively provided with a transverse opposite through hole, the rear end of the top surface of the rear rod groove is provided with a groove-shaped opening, the front end of the top surface of the rear rod groove is provided with a long hole, the sliding lock and the small spring are arranged in the rear rod, the sliding lock is, the sliding button is a plastic piece with a square tube-shaped protrusion at the rear part of the sheet bottom surface, the square tube-shaped protrusion of the sliding button is downwards placed at the front end in the long hole of the rear rod, then the small spring is placed in the long hole of the rear rod from bottom to top, two ends of the small spring are lower than the protruding square tube of the sliding button and the rear end of the long hole of the rear rod, then the locking plate is closed on the protruding square tube of the pushing button, the connecting bolt is penetrated into the hole of the locking plate and screwed into the tube hole of the protruding square tube of the sliding button, so that the small spring is positioned at the rear part of the locking plate, the rear part of the pushing button and the long hole of the rear rod, the transverse mutual through holes at the front end of the front rod are rotationally connected with the transverse hole at the upper rear part of the rear connecting piece through locking bolts, the transverse mutual through holes at the rear end of the front rod are rotationally connected with the transverse mutual through holes at the front part of the rear rod through locking bolts, and the semi-circular head bolt screwed on the front rod can be locked and connected by a sliding lock arranged on the rear rod.

The automobile body 5 comprises an automobile body main part, a front bearing, a pressing ring, two rear bearings, a bearing seat, a positioning shaft, a shock absorption block, a left wheel fork, a right wheel fork and a shock absorption blocking sheet, wherein the automobile body main part is an aluminum die casting part, a first front counter bore is arranged on the left side of the middle part of the automobile body main part, the first front counter bore of the automobile body main part is connected with a middle through hole to the right, the middle through hole of the automobile body main part is connected with a second front counter bore to the right and is positioned around the second front counter bore of the automobile body main part, a plurality of transverse threaded holes are formed, a first rear counter bore is connected with the rear lower part of the first front counter bore of the automobile body main part, the first rear counter bore of the automobile body main part is connected with a second rear counter bore to the right, the front end of the automobile body main part is provided with a transverse hole, the transverse through hole at the front end of the automobile body main part is a positioning shaft hole, and a vertical threaded hole, there is a transverse hole automobile body main part top, there is the cross bore automobile body main part's rear portion, and the rear portion cross bore rear top of automobile body main part is the platykurtic, respectively opens threaded hole around the platykurtic automobile body main part, the preceding bearing of counter bore inlay before the second of automobile body main part, the preceding bearing be the deep groove ball bearing of 6813 model, use the clamping ring lid in the right side of counter bore before the automobile body main part second, penetrate with several bolts in the perforation of clamping ring several, and twist and connect in the horizontal screw hole of several around the counter bore before the automobile body main part second is fixed, the clamping ring open on the metal ring of a gasket shape and have the several to perforate, inlay behind the second of automobile body main part counter bore one the rear bearing, two screw holes on the platykurtic automobile body main part are through two bolted connection the piece of moving away to avoid possible earthquakes, the piece of moving away to avoid possible earthquakes make by polyurethane, the bearing seat is a metal stamping part, a counter bore embedded with a bearing is arranged at the front end of the bearing seat, a hole is arranged at the rear end of the bearing seat, the hole at the rear end part of the bearing seat corresponds to the transverse through hole at the rear part of the main part of the vehicle body, and the counter bore of the bearing seat is embedded with a rear bearing.

The left wheel fork and the right wheel fork are flat metal parts, the front ends of the left wheel fork and the right wheel fork are provided with a hole, the front and the back of the front parts of the left wheel fork and the right wheel fork are respectively provided with a hole, the middle parts of the left wheel fork and the right wheel fork are provided with a wavy bend, the wavy bends of the left wheel fork and the right wheel fork are corresponding left and right, the rear ends of the left wheel fork and the right wheel fork are provided with a U-shaped opening with a backward opening, the shock-proof baffle sheet is formed by punching a metal sheet, the left and the right sides of the shock-proof baffle sheet are provided with upward hems, the front and the back of the two hems of the shock-proof baffle sheet are respectively provided with a hole, the two holes of the two hems of the shock-proof baffle sheet are riveted with the front and the back holes of the front parts of the left wheel fork and the front end hole of the bearing seat by rivets, and correspond to the left side surface of the transverse hole at the, the front end hole of the right wheel fork corresponds to the right side surface of the transverse through hole at the rear part of the main part of the vehicle body, and the left wheel fork, the bearing seat and the right wheel fork are connected to the rear part of the main part of the vehicle body through locking bolts.

The positioning shaft is a metal round shaft, two axial threaded holes are respectively arranged at two ends of the positioning shaft, a radial counter bore is arranged on the side surface in the middle of the positioning shaft, the positioning shaft penetrates through the mutual transverse through holes at one side of the groove-shaped connecting piece, is tightly pressed into the positioning shaft hole of the vehicle body main piece and then penetrates out of the mutual transverse through holes at the other side of the groove-shaped connecting piece, and the radial counter bore of the positioning shaft corresponds to the vertical threaded hole below the positioning shaft hole of the main part of the vehicle body, and is screwed into the radial counter bore of the positioning shaft for fixation in the vertical threaded hole below the positioning shaft hole of the main part of the vehicle body by a bolt, and the transverse through holes of the groove-shaped connecting pieces are rotatably connected with two end parts of the positioning shaft, and the transverse through holes of the rear end of the rear rod are rotatably connected with the transverse hole above the main part of the vehicle body through locking bolts.

The front wheel 6 is an 8-inch wheel, the front wheel 6 is installed at the bottom end of the front fork, the rear wheel 7 is a 10-inch wheel, and two ends of a rear wheel shaft of the rear wheel 7 are respectively connected with the U-shaped openings formed in the rear direction of the left wheel fork and the right wheel fork through matching with nuts.

The driving mechanism 8 comprises a pedal rod piece, a pedal, a crankshaft gear set, a rear gear set, a flywheel and a chain, wherein the pedal rod piece consists of a slicing machined piece of an aluminum extruded section and a steel pipe, a transverse round hole is arranged at the front end of the slicing machined piece of the aluminum extruded section of the pedal rod piece, a transverse slit is arranged below the transverse round hole of the slicing machined piece of the aluminum extruded section of the pedal rod piece, a longitudinal through hole is arranged at the transverse vertical direction of the slit of the slicing machined piece of the aluminum extruded section of the pedal rod piece, a bolt is inserted into the longitudinal through hole of the slicing machined piece of the aluminum extruded section of the pedal rod piece and is screwed with a nut, the transverse round hole of the slicing machined piece of the aluminum extruded section of the pedal rod piece is sleeved with the steel pipe, and the transverse round hole of the slicing machined piece of the pedal rod piece is fixed with the steel pipe through the cooperation of the bolt and the nut in the longitudinal through hole, the pipe hole of a steel pipe of the pedal member corresponds to the diameter of the positioning shaft, a long round hole is formed below the front part of the aluminum extruded section slicing workpiece of the pedal member, a threaded hole screwed with a pedal is formed in the rear end of the aluminum extruded section of the pedal member, the pedal member is divided into a left branch and a right branch, the steel pipe holes of the two pedal members are rotatably sleeved with two ends of the positioning shaft, then a bolt is matched with a gasket in the axial threaded holes in the two ends of the positioning shaft to be screwed and positioned, the long round rings of the two pedal members are slidably sleeved on two curved bearings of the crankshaft gear set, the threaded holes in the rear end of the two pedal members are respectively screwed and connected with a pedal, the crankshaft gear set comprises a crankshaft, a front-stage gear, a four-stage bolt and two crankshaft bearings, the crankshaft is formed by welding a round steel bent at two right angles and a wafer, and the round steel bent at two right angles of the crankshaft, the end point centers at both ends are respectively provided with an axial threaded hole, the wafer of the crankshaft is provided with a shaft hole and four connecting holes, the right head of two right-angle bending round steel of the crankshaft penetrates into the shaft hole of the wafer of the crankshaft from the left to the right, then the middle part of the two right-angle bending round steel of the crankshaft is welded with the middle part of the left side surface of the wafer of the crankshaft, the front gear is a modified nylon gear, the right side surface of the front gear is provided with a boss corresponding to two inner holes of the front bearing, the joint of the front gear and the boss of the front gear is also provided with a convex step, the boss of the front gear is provided with a groove corresponding to the round steel of the crankshaft, the front gear is provided with a shaft hole penetrating through the left side surface and the right side surface, the left side surface of the front gear is provided with four hexagonal counter bores, the four hexagonal counter bores are connected with through holes to the right, and a nut, the boss of the preceding stage gear penetrates into the inner holes of the two front bearings from left to right, the left head of the crankshaft penetrates into the shaft hole of the preceding stage gear from left to left and wins out from left, four flat basic screws penetrate into four connecting holes of a crankshaft wafer and four through holes of the preceding stage gear and are screwed into four nuts on the left side of the preceding stage gear, the two crankshaft bearings are sleeved at two ends of the crankshaft, two bolts are screwed into threaded holes at two ends of the crankshaft for positioning, the rear stage gear set consists of a rear stage gear, a rear shaft and a chain wheel, the left end rear stage gear of the rear shaft, the right end and the left end of the rear shaft penetrate into the inner hole of the rear bearing embedded in a second rear counter bore of the vehicle body main part and the inner hole of the rear bearing embedded in the counter bore, the chain wheel is fixedly connected to the right head of the rear shaft, the flywheel is installed on the right side of the rear wheel 7, the chain is wound on the chain wheel and the flywheel.

Claims (8)

1. The utility model provides a swift flexible folding formula of moving away to avoid possible earthquakes of handle is ridden swift and slippery, includes swift flexible handle, front fork, front truck, folding connecting rod, automobile body, front wheel, rear wheel and actuating mechanism, characterized by: the quick telescopic handle comprises a left handle, a right handle, an upper locking piece, a lower locking piece and a handle, wherein the left handle and the right handle are formed by bending the upper end of a circular tube at right angle, the lower part of the right-angle bending part of the left handle and the right handle is respectively provided with a threaded hole, the side surfaces of the bottom ends of the left handle and the right handle are respectively provided with a threaded hole, the upper locking piece comprises an upper clamping piece and an upper quick release, the left end and the right end of the upper clamping piece are respectively provided with an up-down slotted round hole, the slotted round holes at the left end and the right end of the upper clamping piece are towards the front, the left slotted side of the slotted round hole at the left end of the upper clamping piece is provided with a forward left convex piece, the right slotted round hole at the right end of the upper clamping piece is provided with a forward right convex piece, a mutual transverse through hole is arranged between the left convex piece, the right convex, the left handle and the right handle penetrate into the up-down slotted round holes at the left end and the right end of the upper clamping piece, the threaded holes below the right-angle bending part of the left handle and the right handle correspond to the bottom side surface of the upper clamping piece, two bolts are respectively screwed into the threaded holes below the right-angle bending part of the left handle and the right handle, the left handle, the right handle and the upper clamping piece are limited in rotation, the slotted round holes at the left end and the right end of the upper clamping piece can be tightened by the upper quick release, and the left handle and the right handle in the upper clamping piece are fixed; the lower locking piece is composed of a lower clamping piece and a lower quick release, the front part on the left side and the front part on the right side of the lower clamping piece are respectively provided with an up-down slotted round hole, the slot of the slotted round hole on the front part on the left side of the lower clamping piece faces to the front, the slot of the slotted round hole on the front part on the right side of the lower clamping piece faces to the front, the slot of the slotted round hole on the front part on the left side of the lower clamping piece faces to the front, a transverse through hole is arranged among the left tab, the tab and the right tab of the lower clamping piece, the rear part on the left side of the lower clamping piece is provided with an up-down round hole, the rear part on the right side of the lower clamping piece is provided with an up-down round hole, the left handle and the right handle penetrate into the, the two bolts are respectively screwed into threaded holes at the bottom ends of the left handle and the right handle, the lower quick release is arranged in mutual transverse through holes of a left lug, a convex block and a right lug of the lower clamping piece, the lower quick release can tighten a slotted round hole at the left end and a slotted round hole at the right end of the lower clamping piece to fix the left handle and the right handle in the lower clamping piece, and the handle is connected to the upper parts of the left handle and the right handle and positioned above the upper clamping piece; the front frame is composed of a front connecting piece, a rotating part, a rear connecting piece and a groove-shaped connecting piece, wherein two front embracing holes of the front connecting piece are fixedly connected to the middle part of the front fork, two front ends and one rear end of the front connecting piece are respectively provided with an embracing hole, the rotating part is installed on the rear end embracing hole of the front connecting piece, the front end of the rear connecting piece is in a groove shape, the upper side and the lower side of the groove shape of the rear connecting piece are provided with mutual opposite through holes, the rear upper side of the rear connecting piece is provided with a transverse hole, the rear lower end of the rear connecting piece is in a rod shape, the rear end of the rear connecting piece in the rod shape is connected with the groove-shaped connecting piece, the left side and the right side of the rear end of the groove-shaped connecting piece are provided with; the folding connecting rod comprises a front rod and a rear rod, the front rod is a groove-shaped part with a downward opening, two sides of the front end and the rear end of the front rod are respectively provided with a transverse mutual opposite perforation, the rear part of the top surface of the groove of the front rod is provided with an up-down threaded hole, the upper-down threaded hole of the front rod is screwed with the half-round head bolt, the rear rod is a groove-shaped part with a downward opening, two sides of the front part and the rear end of the rear rod are respectively provided with a transverse mutual opposite perforation, the front end of the top surface of the groove of the rear rod is provided with a long hole, the long hole of the rear rod is internally provided with the sliding lock and the small spring, the transverse mutual opposite perforations of the front end of the front rod are rotatably connected with the transverse holes above the rear part of the rear connecting piece through the opposite lock bolt, the transverse mutual opposite perforations of the rear end of the front rod are rotatably connected with the transverse mutual opposite perforations of the front part of the rear rod through the opposite bolts, and the half-round head bolt screwed on; the vehicle body consists of a vehicle body main part, a front bearing, a pressing ring, two rear bearings, a bearing seat, a positioning shaft, a shock absorption block, a left wheel fork, a right wheel fork and a shock absorption retaining sheet, wherein a first front counter bore is arranged on the left side of the middle part of the vehicle body main part, a first front counter bore of the vehicle body main part is connected with a middle through hole to the right, a middle through hole of the vehicle body main part is connected with a second front counter bore to the right, a first rear counter bore is connected with a second rear counter bore to the right, a second rear counter bore of the vehicle body main part is connected with a rear through hole to the right, a transverse hole is arranged at the front end of the vehicle body main part, a positioning shaft hole is arranged above the vehicle body main part, a transverse through hole is arranged at the rear part of the vehicle body main part, the shock absorption block is connected below the rear end of the vehicle body main part, the second front counter bore of the vehicle body main part is embedded with the front bearing, the pressing ring is covered on the right side of the second, fixing a front bearing in a second front counter bore of a main body part of the vehicle body, embedding a rear bearing in a second rear counter bore of the main body part of the vehicle body, embedding a rear bearing in a bearing seat, wherein the rear end of the bearing seat is provided with a hole corresponding to a transverse through hole at the rear part of the main body part of the vehicle body, the transverse through hole at the rear part of the main body part of the vehicle body is connected with a left wheel fork, the bearing seat and a right wheel fork through a locking bolt, a shock-absorbing baffle is connected between the left wheel fork and the right wheel fork, a positioning shaft penetrates through the mutual transverse through holes at the rear ends of the groove-shaped connecting parts and is tightly pressed in a positioning shaft hole of the main body part of the vehicle body, the transverse mutual opposite through holes at the rear ends of rear rods are rotationally connected with the transverse holes above the main body part of; the driving mechanism comprises a pedal member, a pedal, a crankshaft gear set, a rear gear set, a flywheel and a chain, wherein the crankshaft gear set comprises a crankshaft, a front gear and two crankshaft bearings, the crankshaft is formed by welding round steel with two ends bent at right angles and a wafer, the front gear is a nylon gear, a boss corresponding to an inner hole of the front bearing is arranged on the right side surface of the front gear, a groove corresponding to the round steel of the crankshaft is arranged on the boss of the front gear, the boss of the front gear penetrates into the inner hole of the front bearing from left to right, the left end of the crankshaft penetrates into a shaft hole of the front gear from left to right, the front gear is fixed with the crankshaft by matching of bolts and nuts, the two crankshaft bearings are sleeved at the two ends of the crankshaft, the rear gear set comprises a rear gear, a rear shaft and a chain wheel, the rear gear is fixedly connected to the left end of the rear shaft, the right end of the rear shaft penetrates into a rear bearing inner hole embedded in a, the left end of the rear shaft penetrates into a rear bearing inner hole in the bearing block, the chain wheel is fixedly connected to the right end of the rear shaft, the flywheel is installed on the right side of the rear wheel, the chain is wound on the chain wheel and the flywheel, pipe holes corresponding to the positioning shaft are formed in the front end of the pedal rod piece, long round holes are formed in the lower portion of the front portion of the pedal rod piece, threaded holes screwed with pedals are formed in the rear end of the pedal rod piece, the pipe holes in the front end of the two pedal rod pieces are rotatably sleeved at the two ends of the positioning shaft, the long round holes of the two pedal rod pieces are slidably sleeved on the two crankshaft bearings of the crankshaft gear set, and the two pedals are screwed into the two threaded holes; the front connecting piece is in a V shape in overlook, two front embracing connection holes of the front connecting piece are fixedly connected to the middle part of the front fork through screwing of a bolt and a nut, and a rear embracing connection hole of the front connecting piece is fixedly connected with a front axle tube of the rotating part through screwing of the bolt and the nut; the rotary part including preceding central siphon and two bearings, the front end of back even is the cell type, open the upper and lower both sides of back even cell type has mutual to the perforation, the mutual to the perforation of back even cell type is through locking bolted connection rotary part.

2. The fast telescopic handle folding shock-proof pedal bike as claimed in claim 1, characterized in that: the left side of the upper clamping piece left lug is arc concave, the arc of the arc gasket corresponds to the arc concave on the left side of the upper clamping piece left lug, the left side of the lower clamping piece left lug is arc concave, and the arc of the arc gasket corresponds to the arc concave on the left side of the lower clamping piece left lug.

3. The fast telescopic handle folding shock-proof pedal bike as claimed in claim 1, characterized in that: the front end of preceding pole groove top surface has a cell type opening, horizontal width in the back pole groove type with the horizontal external diameter of preceding pole is corresponding, the rear end of back pole groove top surface has a cell type opening, the slide lock constitute by slide button, locking plate and connecting bolt, the slide button is that the rear portion of slice bottom surface has the protruding working of plastics of a square tube, the protruding square tube shape of slide button is put into the front end in the back pole slot hole downwards, puts into the little spring from the bottom up in the slot hole of back pole again to make the both ends of little spring hang down the protruding square tube shape of slide button with back pole slot hole rear end, close the locking plate on the protruding square tube shape of push button again, penetrate in the hole of locking plate with connecting bolt, and twist and connect in the tubular tube hole of the protruding direction of slide button, make the little spring be positioned in the rear portion of locking plate, the rear portion of push button and the slot hole of back pole.

4. The fast telescopic handle folding shock-proof pedal bike as claimed in claim 1, characterized in that: the bearing seat is a metal punching piece, the front end of the bearing seat is provided with a counter bore embedded with a bearing, the rear end of the bearing seat is provided with a hole, and the hole at the rear end of the bearing seat corresponds to the transverse through hole at the rear part of the main part of the automobile body.

5. The fast telescopic handle folding shock-proof pedal bike as claimed in claim 1, characterized in that: the left wheel fork and the right wheel fork are flat strip-shaped metal components, a hole is formed in the front end of the left wheel fork and the front end of the right wheel fork, a hole is formed in the front portion and the rear portion of the front portion of the left wheel fork and the front portion and the rear portion of the front portion of the right wheel fork respectively, a wavy bend is formed in the middle of the left wheel fork and the middle of the right wheel fork, the left wheel fork corresponds to the wavy bend of the right wheel fork in the left-right direction, a U-shaped opening with a backward opening is formed in the rear end of the left wheel fork and the rear end of the right wheel fork, the shock-absorbing baffle is formed by stamping metal sheets, upward folded edges are formed in the left side and the right side of the shock-absorbing baffle, a hole is formed in the front portion and the rear portion of the two folded edges of the shock-absorbing baffle, and the.

6. The fast telescopic handle folding shock-proof pedal bike as claimed in claim 1, characterized in that: the positioning shaft is a metal round shaft, two axial threaded holes are respectively arranged at two ends of the positioning shaft, a radial counter bore is arranged on the side surface in the middle of the positioning shaft, the positioning shaft penetrates through the mutual transverse through holes at one side of the groove-shaped connecting piece, is tightly pressed into the positioning shaft hole of the vehicle body main piece and then penetrates out of the mutual transverse through holes at the other side of the groove-shaped connecting piece, and the radial counter bore of the positioning shaft corresponds to the vertical threaded hole below the positioning shaft hole of the main part of the vehicle body, and is screwed into the radial counter bore of the positioning shaft for fixation in the vertical threaded hole below the positioning shaft hole of the main part of the vehicle body by a bolt, and the transverse through holes of the groove-shaped connecting pieces are rotatably connected with two end parts of the positioning shaft, and the transverse through holes of the rear end of the rear rod are rotatably connected with the transverse hole above the main part of the vehicle body through locking bolts.

7. The fast telescopic handle folding shock-proof pedal bike as claimed in claim 1, characterized in that: the pedal rod is composed of an extruded aluminum section slice processing piece and a steel pipe, a transverse round hole is arranged at the front end of the extruded aluminum section slice processing piece, a transverse slit is arranged below the transverse round hole of the extruded aluminum section slice processing piece, a longitudinal through hole is vertically arranged on the transverse slit of the extruded aluminum section slice processing piece, a bolt penetrates through the longitudinal through hole of the extruded aluminum section slice processing piece of the pedal rod and is screwed with a nut, the transverse round hole of the extruded aluminum section slice processing piece of the pedal rod is sleeved with the steel pipe, the transverse round hole of the extruded aluminum section slice processing piece of the pedal rod is fixed with the steel pipe through the matching of the bolt and the nut in the longitudinal through hole of the extruded aluminum section slice processing piece of the pedal rod, the pipe hole of the steel pipe of the pedal rod corresponds to the diameter of the positioning shaft, and a long round hole is arranged below the front part of the extruded aluminum section slice processing piece of the pedal rod, the rear end of the aluminum extruded section of the pedal rod piece is provided with a threaded hole screwed with a pedal, and the pedal rod piece is divided into a left branch and a right branch.

8. The fast telescopic handle folding shock-proof pedal bike as claimed in claim 1, characterized in that: the bent axle be the round steel and a disk welding of a two right angles bending and form, the round steel of bent axle two right angles bending respectively has an axial screw hole at the extreme point center at both ends, there are a shaft hole and four connecting holes on the disk of bent axle, the two right angles of bent axle bend the right side of round steel penetrate from a left side to the right side in the shaft hole of bent axle disk, then the two right angles of bent axle bend the middle part of round steel with the middle part welding of bent axle disk left surface, the right flank of preceding stage gear has a pair of two of corresponding to the boss of fore bearing hole, the preceding stage gear with the junction of preceding stage gear boss is convex step in addition, have on the boss of preceding stage gear corresponding to the groove of bent axle round steel.

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