CN206012844U - The portable tricycle of flexible handle type - Google Patents

Abstract

A kind of portable tricycle of flexible handle type，Including the handle that stretches、Front fork、Side arm、Middle frame、Left back fork、Right back vent、Vehicle seat、Front-wheel、Left rear wheel、Off hind wheel and drive mechanism，Flexible handle connection front fork and side arm，Front fork is by Five-way tube component、Square tube、Square column and front axle are constituted，Front-wheel is connected to front axle，Flexible handle is by left hand handle、Right handgrip、Upper latch fitting、Lower latch fitting and handle are constituted，Side arm is made up of tumbler and front-axle beam，Middle frame includes twin beams pipe、First two-tube set、Rear casing、Boring cover after two、First latch hook member、Second latch hook member、Left spacer block、Right spacer block and tow wheel，Left and right back vent connects left and right trailing wheel respectively，Vehicle seat is by seat pipe、Vehicle seat folded piece、Second latch hook member、Seat bar and saddle are constituted，Drive mechanism includes axis、Two cranks、Chain wheel、Two pedals、Flywheel and chain，Drive mechanism is connected on Five-way tube component and front-wheel.

Description

The portable tricycle of flexible handle type

Technical field：

This utility model is related to a kind of folding tricycle, the portable three-wheel of more particularly to a kind of flexible handle type from Driving.

Background technology：

There is folding tricycle in the market, but due to reasons such as structure and constructions, can not possibly also reach after folding Satisfaction as little as possible.

Utility model content：

The purpose of this utility model is to provide for a kind of handlebar in the new type foldable mode of the handle type that stretches, after after-frame is related Wheel collapsed forward, vehicle seat fold the mode with side arm folding linkage, can reach as little as possible flexible turn after having folded Portable for type tricycle.The purpose of this utility model is realized in；The portable tricycle of flexible handle type, Including handle, front fork, side arm, middle frame, left back fork, right back vent, vehicle seat, front-wheel, left rear wheel, off hind wheel and the driving machine of stretching Structure, is characterized in that：Flexible handle include left hand handle, right handgrip, upper latch fitting, lower latch fitting and handle, left hand handle and right handgrip be by The upper end of pipe is formed as right-angle bending, left hand with right handgrip right-angle bending at below outside be provided with screwed hole, upper latch fitting It is made up of upper clamping piece, banking stop and clamping screw, upper clamping piece is the blank of an aluminium extruded type, and the left and right two ends of upper clamping piece respectively have one The circular hole of upward and downward, is also connected with cracking for upward and downward on the circular hole of two upward and downwards of upper clamping piece, upper clamping piece upward and downward cracks rearward Left and right be respectively provided with the screwed hole of a upward and downward, the bottom of the screwed hole of two upward and downward of left and right that upper clamping piece upward and downward cracks rearward By two bolt twist-ons, one banking stop, banking stop is allowed to be connected to the bottom side of upper clamping piece, the centre of upper clamping piece has on one and upper clamping piece Lower to the vertical longitudinal hole that cracks, the rear end of upper clamping piece longitudinal hole connects the stop nut of a clamping screw, left hand handle and the right hand In the circular hole for penetrating upper clamping piece or so two ends upward and downward, and by left hand with right handgrip right-angle bending at below screwed hole pair Should in the bottom side of upper clamping piece, with two bolts be screwed into respectively left hand with right handgrip right-angle bending at below screwed hole in, will Left hand spacing with what right handgrip and upper clamping piece were made to rotate, also, be fastened to left hand with right handgrip on two bolts, and be connected Banking stop in the bottom side of upper clamping piece coordinates, can be as left hand spacing when launching with right handgrip, and clamping screw penetrates folder In the longitudinal hole of part, and it is screwed in stop nut, tightens clamping screw and can tighten up cracking for upper clamping piece upward and downward, by upper clamping piece Locking left hand handle and right handgrip so that left hand handle and right handgrip are fixed and can not be rotated；Lower latch fitting is by lower clamping piece and clamping screw Constitute, lower clamping piece is the blank of an aluminium extruded type, and respectively there is the circular hole of a upward and downward at the anterior left and right two ends of lower clamping piece, before lower clamping piece Cracking for upward and downward is connected with the circular hole of two upward and downwards in portion, the left end in the middle part of lower clamping piece has the square hole of a upward and downward, lower clamping piece There is a circular hole of a upward and downward centre at rear portion, and the anterior centre of lower clamping piece has one to crack vertical indulging with lower clamping piece front portion upward and downward Xiang Kong, the rear end of lower clamping piece longitudinal hole connect the stop nut of a clamping screw, in the middle part of lower clamping piece the square hole of left end upward and downward with The upper end connection of front fork pipe, front fork are made up of Five-way tube component, square tube, square column and front axle, and the middle part connection five of square tube is led to Pipe component, fills in square column in the bottom pore of square tube, the horizontal of square tube bottom is provided with a cross-perforating together with square column, and front axle is worn Enter in the bottom of square tube and the cross-perforating of square column, and win to the right, left hand handle and right handgrip are penetrated on lower clamping piece or so two ends Lower to circular hole in, clamping screw is penetrated in the longitudinal hole of lower clamping piece, and is screwed in stop nut, is tightened clamping screw and can be received Lower clamping piece is locked left hand handle and right handgrip by cracking for tight lower clamping piece upward and downward so that left hand handle and right handgrip fix and can not Slide up and down, handle is connected to left hand the top with right handgrip, and the top positioned at upper clamping piece；Side arm is by rotary part and front Beam is constituted, and rotary part is installed on the upward and downward circular hole in the middle of lower clamping piece rear portion, and front-axle beam is the slice processing part of aluminium extruded type, front The front end of beam is in grooved, and the both sides up and down of front-axle beam grooved have mutual to perforation, and the upper and lower of front-axle beam rear end respectively has one horizontal Perforation, front-axle beam grooved mutual to be punched through to lock bolt connection rotary part；Middle frame include twin beams pipe, the first two-tube set, Rear casing, boring cover, the first latch hook member, the second latch hook member, left spacer block, right spacer block and tow wheel after two, twin beams pipe is by left and right Two flat tubes are constituted, and the front end close-fitting of twin beams pipe is socketed the first two-tube set, and the first two-tube set is the slice processing part of an aluminium extruded type, the Two slotted holes are arranged at a pair of pipe box top, and two slotted holes of the first two-tube set are corresponding with the cast of two flat tube of left and right of twin beams pipe, The grooved that Open Side Down arranged at the bottom of the first two-tube set, and the both sides of the first two-tube set Open Side Down grooved are provided with mutual to wearing Hole, the first two-tube set are mutual to being punched through being connected with horizontal perforation rotation below front-axle beam rear end to locking bolt, rear casing It is the cutting workpiece of an aluminium extruded type, there are two slotted holes of left and right the bottom of rear casing, are connected with out on the left of the left slotted hole of rear casing Mouth grooved to the left, is connected with opening grooved to the right on the right side of the right slotted hole of rear casing, two slotted hole of left and right of rear casing with double The cast of two flat tube of left and right of beam pipe is corresponding, and the grooved of opening upwards, rear casing opening upwards grooved are arranged at the top of rear casing The front end of both sides is provided with one mutual to perforation, and the front-end and back-end of the upper and lower both sides of rear casing opening grooved to the left are respectively provided with one Mutual to perforation, the front-end and back-end of the upper and lower both sides of rear casing opening grooved to the right be respectively provided with one mutual to perforation, two Boring cover fills in the rear end of two slotted hole of rear casing or so respectively afterwards, penetrates rear casing opening grooved to the left upper and lower two to locking bolt In the vertical hole of the mutual latch hook to perforation the first latch hook member of neutralization in side rear end, by the latch hook of the first latch hook member and rear casing opening To the left grooved rear end thereof connection, to lock bolt penetrate the upper and lower both sides rear end of rear casing opening grooved to the right mutual to wearing Hole is neutralized in the vertical hole of latch hook of the second latch hook member, and the latch hook of the second latch hook member is turned with rear casing opening grooved rear end to the right Dynamic connection, left spacer block are fixedly connected on the middle part of rear casing opening grooved to the left, and right spacer block is fixedly connected on rear casing The middle part of opening grooved to the right, the first latch hook member and the second latch hook member are all made up of latch hook and latch hook spring, and a bolt is penetrated In the elongated hole of the first latch hook member latch hook, and penetrate in latch hook spring, then be screwed into the twist-on hole of the left side boring cover of boring cover after two In, the interlocking bolt that the latch hook of the first latch hook member can be on the left back fork of hook lock in the presence of latch hook spring, a bolt penetrate second In the elongated hole of latch hook member latch hook, and penetrate in latch hook spring, then in the twist-on hole of the right boring cover for being screwed into boring cover after two, the Interlocking bolt of the latch hook of two latch hook members in the presence of latch hook spring on the right back vent of energy hook lock；Left back fork is by left back breeches pipe The each close-fitting in two ends is plugged with the vexed plug of a hard, is then furnished with twist-on interlocking bolt and left rear axle is formed, and the front end of left back breeches pipe is related The vexed plug of hard and be provided with a vertical perforation, the rear end of left back breeches pipe is inconjunction with the vexed plug of hard and is provided with a horizontal perforation, left back In the horizontal perforation in breeches pipe rear end, close-fitting penetrates a left rear axle, is screwed with an interlocking bolt on the right flank of left back breeches pipe leading section, Left back fork front end one vertical be punched through being connected to locking bolt grooved front end rotation with rear casing opening to the left, by opening the The latch hook of one latch hook member, left back fork can be folded to left front, and right back vent is to be plugged with a hard by each close-fitting in two ends of right back breeches pipe Vexed plug, is then furnished with twist-on interlocking bolt and right rear axle is formed, and the front end of right back breeches pipe is inconjunction with the vexed plug of hard, and to be provided with one vertical Perforation, the rear end of right back breeches pipe is inconjunction with the vexed plug of hard and is provided with a horizontal perforation, in the horizontal perforation in right back breeches pipe rear end Close-fitting penetrates a right rear axle, is screwed with an interlocking bolt on the left surface of right back breeches pipe leading section, and the one of right back vent front end is vertical It is punched through being connected to locking bolt grooved front end rotation with rear casing opening to the right, by the latch hook for opening the second latch hook member, behind the right side Fork can be folded to right front；Vehicle seat includes seat pipe, vehicle seat folded piece, the 3rd latch hook member, seat bar, saddle and folds locator card, car Seat folded piece connects part, connecting rod and U-shaped plug by diapsid, and diapsid connects the front side that part is fastened to seat pipe lower end, and diapsid connects part Circular hole perforation is rotated mutual with rear casing grooved both sides front end is connected, and the rearward end of connecting rod connects the slotted hole of part with diapsid Connection, in the U-shaped slotted hole for filling in ring part, and the lower section positioned at rod rear end portion, two front ends of connecting rod and front-axle beam rear end The horizontal perforation connection in top, the grooved for being connected with the second latch hook member on front side of seat pipe lower end connects part, the lock of the 3rd latch hook member Hook and grooved connect that part both sides are mutual to be connected to perforation, and the 3rd latch hook member connects part, latch hook, latch hook spring and interlocking bolt by grooved Constitute, interlocking bolt is fastened on rear casing in the screwed hole of the front of bottom land, and a bolt penetrates the elongated hole of the 3rd latch hook member In, and penetrate in latch hook spring, then be screwed in seat pipe, the latch hook of the 3rd latch hook member can be with lock by the effect of interlocking spring The cup head interlocking of connecting bolt, connects in the pore at the top of seat pipe, installs saddle on seat bar, folds locator card and is connected to first pair Pipe box back upper place；Front-wheel is installed on front axle, and left rear wheel is installed in left rear axle, and off hind wheel is installed on right rear axle, opens header board The latch hook of the 3rd latch hook member, and by vehicle seat collapsed forward, in the presence of connecting rod, vehicle seat is inconjunction with side arm, flexible handle, front fork Part and front-wheel are folded to the lower section of middle frame together, are reached perfect folding effect, and are being folded the effect of locator card engaging seat pipe Under, vehicle seat, side arm, flexible handle, front fork and middle frame are fixed on folded state together；Drive mechanism includes axis, two songs Handle, chain wheel, two pedals, flywheel and chain, central axis are connected in Five-way tube component, and two cranks are installed on the two ends of axis, Chain wheel is fixedly connected on the crank on the right of two cranks, and flywheel is connected to the right side of front-wheel, and chain is wire-wrapped on chain wheel and flywheel.

The beneficial effects of the utility model are：Ingenious cooperation of this utility model by aluminium extrusion so that whole vehicle frame All without electric welding, a kind of new trend of the manufacturing process of bicycle is represented；Handlebar of the present utility model is turned using flexible Form so that the folding of handlebar had reached both most simple, and reached most effective；Front fork is connected to the right side in the middle part of lower clamping piece In the upward and downward square hole at end so that front fork has been accomplished ultimate attainment simple and can coordinate maximally effective folding；Of the present utility model Cooperation of the front tumbler using grooved part and the rotary part for being connected to lower clamping piece rear portion, include in rotary part plane bearing and Shock-absorbing polyurethane cylinder, makes front tumbler both simple and effectively and also with incabloc function；Using left back pitch to left front with Middle frame is folded, right back vent is folded to right front with middle frame, and vehicle seat is folded with middle frame and side arm linkage, has reached the minimum of frame folding Change and optimization.

Description of the drawings：

Fig. 1 is this utility model structural representation；

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

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

Fig. 4 is the structural representation of this utility model front-axle beam and both sides piece；

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

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

In figure：1 flexible handle, 2 front forks, 3 side arms, frame in 4,51 left back forks, 52 right back vents, 6 vehicle seats, 71 front-wheels, 72 left rear wheels, 73 off hind wheels, 8 drive mechanisms；Its In stretch handle 1 also include：11 left hand handles, 12 right handgrips, latch fitting on 13,14 times latch fittings, 15 Handle；Middle frame 4 also includes：41 twin beams pipes, 42 first two-tube sets, 43 rear casings；Vehicle seat 6 also includes：Vehicle seat 6 Also include：61 seat pipes, 62 vehicle seat folded pieces, 63 the 3rd latch hook members, 64 bars, 65 saddles.

Specific embodiment：

According to Fig. 1, Fig. 2 and Fig. 4, the portable tricycle of described flexible handle type, including the handle 1, front fork that stretches Part 2, side arm 3, middle frame 4, left back fork 51, right back vent 52, vehicle seat 6, front-wheel 71, trailing wheel 72 and drive mechanism system 8；

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

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

Described lower latch fitting 14 is made up of lower clamping piece and clamping screw, and described lower clamping piece is the blank of an aluminium extruded type, Respectively there is the circular hole of a upward and downward at the anterior left and right two ends of the lower clamping piece, on the circular hole of two anterior upward and downwards of the lower clamping piece also Cracking for upward and downward is connected with, the left end in the middle part of the lower clamping piece has the square hole of a upward and downward, and left end is upper in the middle part of the lower clamping piece Lower corresponding with the square tube of the front fork 2 to square hole, the upward and downward square hole of left end and 2 side of the front fork in the middle part of the lower clamping piece The upper end close-fitting socket of pipe, the centre at the lower clamping piece rear portion have a circular hole of a upward and downward, the centre of the lower clamping piece have one with Lower clamping piece upward and downward cracks vertical longitudinal hole, and the rear end of the lower clamping piece longitudinal hole is connected with the locking spiral shell of clamping screw described in Mother, described left hand penetrate 11 and described right handgrip 12 in the circular hole of described lower clamping piece or so two ends upward and downward, described Clamping screw is penetrated in the longitudinal hole of the lower clamping piece, and is screwed in stop nut, is tightened the clamping screw and can be tightened up down Described lower clamping piece is locked described left hand 11 and described right handgrip 12 so that described by cracking for folder upward and downward Left hand is fixed 11 and described right handgrip 12 and can not be slided up and down.

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

Described front fork 2 is made up of Five-way tube component, square tube, square column and front axle, and Five-way tube component by Five-way tube and is embraced Fitting is constituted, and Five-way tube is the cutting off processing part of shape of a hoof aluminium extruded type pipe, and the left side of Five-way tube frontal plane is provided with four backward Screwed hole, fill in square column in the bottom pore of square tube, the bottom of pipe to and have the cross-perforating, amplexis part to be together with square column Opening grooved part backward, the grooved of amplexis part be corresponding with square tube close-fitting, and the right and left of amplexis part grooved has one up and down The hole of longitudinal direction, four holes that the right and left of amplexis part grooved is longitudinal up and down are relative with the screwed hole backward of Five-way tube left side four Answer, and amplexis part and Five-way tube are fixedly connected on by four bolts the middle part of square tube, close-fitting is filled in the pore of square tube bottom Square column, the horizontal of square tube bottom are provided with a cross-perforating together with square column, and front axle penetrates the bottom of square tube and the cross-perforating of square column In and win to the right.

Described side arm 3 includes that rotary part, front-axle beam and both sides piece, described rotary part include front axle tube, two depths Ditch bearing, a plane bearing and there is a shock-absorbing polyurethane cylinder, the upper and lower side of front axle tube pore is respectively milled with places rotation zanjon bearing Counterbore, close-fitting is pressed in the upward and downward circular hole in the middle of the lower clamping piece rear portion front axle tube from bottom to top, and two zanjon bearings are inlayed respectively It is embedded in the counterbore of front axle tube upper and lower side, plane bearing is lining on the zanjon bearing of the front axle tube upper end, then by poly- for shock-absorbing ammonia Ester cylinder is put on plane bearing, there is a hole axial direction of shock-absorbing polyurethane cylinder, and by the endoporus of two zanjon bearings, plane bearing Axis hole and the hole of shock-absorbing polyurethane cylinder, corresponding to the upper and lower two sides of front-axle beam front end grooved mutual to perforation, with to lock Described tumbler is connected by bolt with the grooved of the front-axle beam, and described front-axle beam is the slice processing part of aluminium extruded type, described before The front end of beam respectively has a horizontal perforation, middle part to have reinforcement in grooved, the upper and lower of rear end, above the front-axle beam rear end in Between be provided with a grooved gap, the vertical phase of the cross-perforating above the grooved gap above the front-axle beam rear end and the front-axle beam rear end Hand over, respectively there is a circular hole corner of the front-axle beam reinforcement, and in the circular hole of the front-axle beam reinforcement corner tapping into screwed hole, The both sides up and down of the front-axle beam grooved are provided with mutual to perforation, and the both sides up and down of the front-axle beam grooved strike out fillet, side piece It is by the rectangular patch of plastic injection, the corner Ge Youyi holes of side piece rectangle, the hole of side piece rectangle corner and the front-axle beam The screwed hole of reinforcement corner is corresponding, and both sides piece is connected to the right and left of the front-axle beam by bolt.

Described middle frame 4 include twin beams pipe 41, the first two-tube set 42, rear casing 43, rear boring cover, the first latch hook member, second Latch hook member, left spacer block and right spacer block, described twin beams pipe 41 are made up of two flat tubes of left and right, and the front end of the twin beams pipe 41 is tight With the first described two-tube set 42 of socket, the first described two-tube set 42 is the slice processing parts of an aluminium extruded type, described first Two slotted holes, two slotted holes and two flat tube of left and right of the twin beams pipe 41 of the first two-tube set 42 are arranged at 42 tops of two-tube set Cast is corresponding, and the first two-tube set 42 is located at respectively has a company side between two slotted holes up and down, the first two-tube set 42 Bottom have a grooved that Open Side Down, the both sides of the first two-tube set 42 Open Side Down grooved are provided with mutual to perforation, institute The two sides for stating the first two-tube 42 Open Side Down grooved of set strike out fillet, between the first two-tube set, 42 liang of slotted holes on connect Left and right on the face on side is provided with the hole of two upward and downwards, the first two-tube set 42 mutual to being punched through to locking bolt and institute State horizontal perforation below front-axle beam rear end and rotate connection.

Described rear casing 43 is the cutting workpiece of an aluminium extruded type, and the bottom of the rear casing 43 has left and right two oval Hole, two slotted holes of the rear casing 43 are corresponding with the cast of two flat tube of left and right of the twin beams pipe 41, the rear casing 43 Being located at respectively has a company side between two slotted holes up and down, is connected with opening groove to the left on the left of 43 left slotted hole of the rear casing Type, is connected with opening grooved to the right on the right side of 43 right slotted hole of the rear casing, two slotted hole of left and right of the rear casing 43 with The cast of two flat tube of left and right of the twin beams pipe 41 is corresponding, and the grooved of opening upwards is arranged at the top of the rear casing 43, described The front end of 43 opening upwards grooved both sides of rear casing be provided with one mutual to perforation, between 43 liang of slotted holes of the rear casing on connect The rear end on side is provided with the screwed hole of upward and downward, and the front-end and back-end of the upper and lower both sides of the grooved that the rear casing 43 is open to the left are respectively opened Have one mutual to perforation, it is mutual that the front-end and back-end of the upper and lower both sides of the grooved that the rear casing 43 is open to the right are respectively provided with one To perforation, the rear boring cover described in two fills in the rear end of two slotted hole of rear casing or so respectively, and described rear boring cover is made of plastics The boring cover corresponding with 43 or so slotted hole of the rear casing, have a twist-on hole on described rear boring cover, to lock bolt penetrate The mutual latch hook to perforation neutralization first latch hook member in the upper and lower both sides rear end of grooved that the rear casing 43 is open to the left is erected Xiang Kongzhong, the be open rear end thereof of grooved to the left of the latch hook of first latch hook member and the rear casing 43 is connected, to lock Bolt penetrate the upper and lower both sides rear end of grooved that the rear casing 43 is open to the right mutual to perforation neutralization second latch hook member The vertical hole of latch hook in, grooved rear end thereof of the latch hook of second latch hook member with rear casing opening to the right is connected, described The first latch hook member and the second described latch hook member be all made up of latch hook and latch hook spring, latch hook is the sliced pieces of an aluminium extruded type, A vertical collar aperture is carried in the middle part of latch hook, and one end of latch hook is in hook-type, and the other end of latch hook is a handle, opens on the handle of latch hook There are elongated hole, the first described latch hook member and the second described latch hook member to include two bushing pipes, be connected to the rear casing 43 and open The latch hook of mouth first latch hook member of grooved rear end to the left, and be connected to the rear casing 43 and be open the institute of grooved rear end to the right The latch hook of the second latch hook member is stated, a bushing pipe is respectively lined with up and down, described left spacer block is open with the rear casing 43 by bolt The middle part connection of grooved to the left, described right spacer block are connected by the middle part of grooved of the bolt with rear casing opening to the right, Described left spacer block and described right spacer block are all the trapezoid blocks that plastics are made, and a bolt penetrates the first latch hook member lock In the elongated hole of hook, and penetrate in latch hook spring, then be screwed into place in the described rear vexed of 43 left slotted hole rear end of the rear casing In the twist-on hole of lid, the latch hook of first latch hook member can the left back interlocking that pitches on 51 described in hook lock in the presence of latch hook spring Bolt, a bolt are penetrated in the elongated hole of the second latch hook member latch hook, and are penetrated in latch hook spring, then are screwed into place in described In the twist-on hole of the described rear boring cover of 43 right slotted hole rear end of rear casing, the work of the latch hook of second latch hook member in latch hook spring With the interlocking bolt on right back vent 52 described in lower energy hook lock.

Described left back fork 51 includes left back breeches pipe, the vexed plug of two hard, rear axle and interlocking bolt, by the left back breeches pipe before The each close-fitting in two ends is plugged with the vexed plug of a hard afterwards, and the front end of the left back breeches pipe is inconjunction with the vexed plug of hard and is provided with a vertical perforation, The rear end of the left back breeches pipe is inconjunction with the vexed plug of hard and is provided with a horizontal perforation, tight in the horizontal perforation in the left back fork rear end With a left rear axle is penetrated, an interlocking bolt on the right flank of the left back breeches pipe leading section, is screwed with, 51 front ends of the left back fork The one vertical grooved front end for being punched through being open to the left to locking bolt and the rear casing 43 rotates and is connected, by opening described first The latch hook of latch hook member, described left back fork 51 can be folded to left front, and described right back vent 52 includes that right back breeches pipe, two hard are vexed Plug, rear axle and interlocking bolt, are plugged with the vexed plug of a hard by each close-fitting in the right back breeches pipe rear and front end, before the right back breeches pipe End is inconjunction with the vexed plug of hard and is provided with a vertical perforation, and the rear end of the right back breeches pipe is inconjunction with the vexed plug of hard, and to be provided with one horizontal Perforation, in the horizontal perforation in the right back breeches pipe rear end, close-fitting penetrates a right rear axle, the left surface of the right back breeches pipe leading section On be screwed with an interlocking bolt, be fastened to the left back breeches pipe leading section right flank interlocking bolt and be fastened to the right back vent The interlocking bolt of the left surface of pipe leading section, is all button-headed bolt, and a vertical perforation of 52 front end of right back breeches pipe is led to Cross the grooved front end being open to the right to locking bolt and the rear casing 43 and rotate and be connected, by the lock for opening second latch hook member 47 Hook, described right back vent 52 can be folded to right front.

Described vehicle seat 6 includes seat pipe 61, vehicle seat folded piece 62, the 3rd latch hook member 63, seat bar 64, saddle 65 and folds determining Position card, in the pore of described 61 lower end of seat pipe, close-fitting fills in a thick-walled tube, 61 bottom leading flank of the seat pipe upper and lower The thick-walled tube that fills in related with trailing flank upper, middle and lower is respectively provided with a screwed hole, the upper end of the seat pipe 61 be provided with one vertical Crack, the upper end of the seat pipe 61 is socketed a pipe clamp, described seat bar 64 is upper bend pipe at a right angle, described seat bar In 64 pores for penetrating 61 upper end of the seat pipe, and cracking for 61 upper end of the seat pipe is tightened up with pipe clamp, by described seat bar 64 Fix with described seat pipe 61, described saddle 64 is installed on the front end of the seat bar 64.

Described vehicle seat folded piece 62 is connected part, connecting rod and U-shaped plug and is constituted by diapsid, and it is an aluminium extruded type that diapsid connects part Sliced pieces, diapsid connects the upper end of part has a slotted hole, lower end to have a circular hole, and diapsid connects part has one positioned at the vertical of long collar aperture Mutual to perforation, diapsid connects part the hole of a longitudinal direction above circular hole, and the longitudinal hole that diapsid connects part is stubborn by bolt It is connected on front side of 61 bottom of the seat pipe in lower screwed hole, diapsid connects the circular hole of part and passes through to locking bolt and the rear casing 43 What grooved both sides front end was mutual rotates connection to perforation, and connecting rod is made up of connecting rod bending part and two connecting rod lining rings, connecting rod bending part It is two leading sections of the front with the rectangle frame of opening, rectangle frame to be bent into by a metal round rod bending is formed still further below, connecting rod The two ends of the inside bending of rectangle frame are drilled with perforation, and connecting rod bending part is penetrated in the slotted hole that diapsid connects part, and makes connecting rod The rearward end of bending part connects the top of the slotted hole of part positioned at diapsid, and U-shaped plug fills in the lower section of the slotted hole of ring part, and position In the lower section of connecting rod bending part rearward end, U-shaped plug is a nylon plug, and the upper side of U-shaped plug has the bar footpath phase with connecting rod bending part Corresponding arc groove, U-shaped also have a longitudinal direction to bore a hole beyond the Great Wall, and longitudinal direction perforation and the diapsid of U-shaped plug connect part and hang down positioned at long collar aperture Corresponding to mutual perforation, U-shaped plug is positioned in the long collar aperture that diapsid connects part by screw, and diapsid is connected part Upper end and 61 bottom of the seat pipe on front side of in screwed hole fix, the two ends of the inside bending in the front end of connecting rod are penetrated before described In the horizontal perforation in the top of beam rear end, and in the grooved gap above the front-axle beam rear end win, by two connecting rod lining ring sets The front end for being connected to connecting rod is won on the two ends in grooved gap above the front-axle beam rear end, and hammers into connecting rod square with two pins Position in the perforation at the inside bending two ends of shape frame.

The 3rd described latch hook member 63 is connected part, latch hook, latch hook spring and interlocking bolt and is constituted by grooved, and it is groove that grooved connects part The cutting off processing part of the aluminium extruded type of type, grooved connect the left and right sides of part grooved and are provided with one mutual to perforation, and grooved connects bottom before part Face is respectively provided with a hole up and down, grooved connect on front side of the holes up and down of the front bottom surface of part and 61 bottom of seat pipe under two Screwed hole is corresponding, and grooved is connected part and is connected with front side of 61 bottom of the seat pipe by two bolts, the 3rd latch hook member 63 The shape of latch hook is similar with the latch hook of first latch hook member 46, and the transverse holes of 63 latch hook of the 3rd latch hook member pass through to locking spiral shell Bolt and grooved connect that part both sides are mutual be connected to perforation, and interlocking bolt is the bolt of a cup head, described in interlocking bolt is fastened to Connect between 43 liang of slotted holes of rear casing side front upper and lower to screwed hole in, a bolt penetrates 63 latch hook of the 3rd latch hook member Elongated hole in, and penetrate in latch hook spring, then be screwed on front side of 61 bottom of the seat pipe in upper screwed hole, the 3rd lock The latch hook of hook 63 can be with the cup head interlocking of interlocking bolt by the effect of interlocking spring, and described folding locator card is by U-shaped In flakes, two connecting holes are arranged at U-shaped nylon card bottom for nylon card and metal, and respectively there is a hole anterior left and right to metal in flakes, metal in flakes after Respectively there is a hole in portion or so, and the holes at metal rear portion in flakes is connected with two connecting holes of U-shaped nylon card bottom by bolt and nut, gold Category holes anterior in flakes by bolt and nut, between 42 liang of slotted holes of set two-tube with described first on connect left and right on the face of side The hole connection of two upward and downwards.

Described front-wheel 71 is 8 inches of wheel, and described front-wheel 71 is installed on front axle, and described left rear wheel 72 is 8 English Very little wheel, described left rear wheel 72 are installed in left rear axle, and described off hind wheel 73 is 8 inches takes turns, and described off hind wheel 73 is installed On right rear axle, described drive mechanism 8 includes that axis, two cranks, chain wheel, two pedals, flywheel and chain, described axis lead to Cross axis accessory to be connected in Five-way tube, the crank described in two is installed on the two ends of the axis, described chain wheel is fixedly connected On the right crank of crank described in two, the pedal described in two is connected on the crank described in two, and described flywheel connects In the right side of front-wheel 71, described chain is wire-wrapped on described chain wheel and described flywheel.

Claims (10)

1. the portable tricycle of a kind of flexible handle type, including handle, front fork, side arm, middle frame, left back fork, the right side of stretching Back vent, vehicle seat, front-wheel, left rear wheel, off hind wheel and drive mechanism, is characterized in that：Flexible handle include left hand handle, right handgrip, on Latch fitting, lower latch fitting and handle, being to be formed as right-angle bending by the upper end of pipe with right handgrip, left hand handle and right handgrip are straight for left hand Outside below at angular distortion is provided with screwed hole, and upper latch fitting is made up of upper clamping piece, banking stop and clamping screw, the left and right of upper clamping piece Respectively there is the circular hole of a upward and downward at two ends, are also connected with cracking for upward and downward on the circular hole of two upward and downwards of upper clamping piece, and upper clamping piece is upper and lower To the screwed hole that the left and right that cracks rearward is respectively provided with a upward and downward, upper clamping piece upward and downward cracks the spiral shell of two upward and downward of left and right rearward The bottom of pit allows banking stop to be connected to the bottom side of upper clamping piece by two bolt twist-ons, one banking stop, and the centre of upper clamping piece has one Crack vertical longitudinal hole with upper clamping piece upward and downward, the rear end of upper clamping piece longitudinal hole connects the stop nut of a clamping screw, left Handle and penetrate in the circular hole of upper clamping piece or so two ends upward and downward with right handgrip, and by below at left hand handle and right handgrip right-angle bending Screwed hole corresponding to upper clamping piece bottom side, with two bolts be screwed into respectively left hand with right handgrip right-angle bending at below spiral shell In pit, by left hand spacing with what right handgrip and upper clamping piece were made to rotate, clamping screw is penetrated in the longitudinal hole of upper clamping piece, and is twisted Enter in stop nut, tighten clamping screw and can tighten up cracking for upper clamping piece upward and downward；Lower latch fitting is by lower clamping piece and clamping screw Constitute, respectively there is the circular hole of a upward and downward at the anterior left and right two ends of lower clamping piece, are connected with the circular hole of two anterior upward and downwards of lower clamping piece Upward and downward cracks, and the left end in the middle part of lower clamping piece has the square hole of a upward and downward, the centre at lower clamping piece rear portion to have the circle of a upward and downward Hole, the anterior centre of lower clamping piece have one to crack vertical longitudinal hole with the anterior upward and downward of lower clamping piece, the rear end of lower clamping piece longitudinal hole Connect the stop nut of a clamping screw, the square hole of left end upward and downward is connected with the upper end of front fork pipe in the middle part of lower clamping piece, front fork Part is made up of Five-way tube component, square tube, square column and front axle, and the middle part connection Five-way tube component of square tube, in the bottom pore of square tube Fill in square column, the horizontal of square tube bottom is provided with a cross-perforating together with square column, front axle penetrates the horizontal of the bottom of square tube and square column In perforation, and win to the right, in the circular hole for penetrating lower clamping piece or so two ends upward and downward with right handgrip, clamping screw is penetrated left hand In the longitudinal hole of lower clamping piece, and it is screwed in stop nut, tightens clamping screw and can tighten up cracking for lower clamping piece upward and downward, shakes hands Left hand is connected to the top with right handgrip, and the top positioned at upper clamping piece；Side arm is made up of rotary part and front-axle beam, rotating part Part is installed on the upward and downward circular hole in the middle of lower clamping piece rear portion, and the front end of front-axle beam is in grooved, and there is phase the both sides up and down of front-axle beam grooved It is mutual that the upper and lower of front-axle beam rear end respectively has a horizontal perforation to perforation, front-axle beam grooved mutual to being punched through to locking bolt Connection rotary part；Middle frame include twin beams pipe, the first two-tube set, rear casing, boring cover after two, the first latch hook member, the second latch hook member, Left spacer block, right spacer block and wheel is towed, twin beams pipe is made up of two flat tubes of left and right, the front end close-fitting socket first of twin beams pipe is two-tube Set, the first two-tube set top have two slotted holes, the cast phase of two slotted holes of the first two-tube set and two flat tube of left and right of twin beams pipe Corresponding, the grooved that Open Side Down arranged at the bottom of the first two-tube set, and the both sides of the first two-tube set Open Side Down grooved are provided with mutual To perforation, the first two-tube set is mutual to being punched through being connected with horizontal perforation rotation below front-axle beam rear end to locking bolt, after Two slotted holes of left and right are arranged at the bottom of pipe box, are connected with opening grooved to the left on the left of the left slotted hole of rear casing, and the rear casing right side is oval Opening grooved to the right is connected with the right side of hole, and two slotted hole of left and right of rear casing is relative with the cast of two flat tube of left and right of twin beams pipe Should, the grooved of opening upwards arranged at the top of rear casing, and it is mutual to wearing that the front end of rear casing opening upwards grooved both sides is provided with one Hole, the front-end and back-end of the upper and lower both sides of rear casing opening grooved to the left be respectively provided with one mutual to perforation, rear casing opening to The front-end and back-end of the upper and lower both sides of right grooved are respectively provided with one mutual to perforation, and after two, boring cover fills in rear casing or so two respectively The rear end of slotted hole, to lock bolt penetrate the upper and lower both sides rear end of rear casing opening grooved to the left mutual to perforation neutralization first In the vertical hole of the latch hook of latch hook member, grooved rear end thereof of the latch hook of the first latch hook member with rear casing opening to the left is connected, right Lock bolt penetrates the mutual latch hook to perforation the second latch hook member of neutralization in the upper and lower both sides rear end of rear casing opening grooved to the right and erects Xiang Kongzhong, grooved rear end thereof of the latch hook of the second latch hook member with rear casing opening to the right is connected, and left spacer block is fixedly connected In the middle part of rear casing opening grooved to the left, right spacer block is fixedly connected on the middle part of rear casing opening grooved to the right, the One latch hook member and the second latch hook member are all made up of latch hook and latch hook spring, and a bolt is penetrated in the elongated hole of the first latch hook member latch hook, And penetrate in latch hook spring, then in the twist-on hole of the left side boring cover for being screwed into boring cover after two, the latch hook of the first latch hook member is in lock Interlocking bolt in the presence of hook spring on the left back fork of energy hook lock, a bolt is penetrated in the elongated hole of the second latch hook member latch hook, and is worn Enter in latch hook spring, then in the twist-on hole of the right boring cover for being screwed into boring cover after two, the latch hook of the second latch hook member is in latch hook bullet Interlocking bolt in the presence of spring on the right back vent of energy hook lock；Left back fork is that to be plugged with a hard by each close-fitting in two ends of left back breeches pipe vexed Plug, is then furnished with twist-on interlocking bolt and left rear axle is formed, and the front end of left back breeches pipe is inconjunction with the vexed plug of hard, and to be provided with one vertical Perforation, the rear end of left back breeches pipe are inconjunction with the vexed plug of hard and are provided with a horizontal perforation, tight in the horizontal perforation in left back breeches pipe rear end With penetrating a left rear axle, an interlocking bolt on the right flank of left back breeches pipe leading section, is screwed with, the one of left back fork front end vertical wears Hole is rotated by the grooved front end to lock bolt with rear casing opening to the left and is connected, by the latch hook for opening the first latch hook member, left back fork Can fold to left front, right back vent is to be plugged with the vexed plug of a hard by each close-fitting in two ends of right back breeches pipe, is then furnished with twist-on interlocking Bolt and right rear axle are formed, and the front end of right back breeches pipe is inconjunction with the vexed plug of hard and is provided with a vertical perforation, the rear end of right back breeches pipe It is inconjunction with the vexed plug of hard and is provided with a horizontal perforation, close-fitting penetrates a right rear axle in the horizontal perforation in right back breeches pipe rear end, behind the right side It is screwed with an interlocking bolt on the left surface of breeches pipe leading section, the one of right back vent front end vertical is punched through to locking bolt and rear pipe Set opening grooved front end to the right rotates connection, and by the latch hook for opening the second latch hook member, right back vent can be folded to right front；Vehicle seat bag Include seat pipe, vehicle seat folded piece, the 3rd latch hook member, seat bar, saddle and fold locator card, vehicle seat folded piece is connected part, connected by diapsid Bar and U-shaped plug, diapsid connect the front side that part is fastened to seat pipe lower end, and diapsid connects the circular hole of part and rear casing grooved both sides front end Mutual rotates connection to perforation, and the slotted hole that the rearward end of connecting rod connects part with diapsid is connected, the U-shaped length for filling in ring part In circular hole, and the lower section positioned at rod rear end portion, the perforation that two front ends of connecting rod are horizontal with the top of front-axle beam rear end is connected, seat pipe The grooved for being connected with the second latch hook member on front side of lower end connects part, the latch hook of the 3rd latch hook member and grooved connect part both sides mutual to wearing Hole connects, and the 3rd latch hook member is connected part, latch hook, latch hook spring and interlocking bolt and constituted by grooved, and interlocking bolt is fastened to rear casing In the screwed hole of the front of upper bottom land, a bolt is penetrated in the elongated hole of the 3rd latch hook member, and is penetrated in latch hook spring, then is twisted Enter in seat pipe, the latch hook of the 3rd latch hook member can be with the cup head interlocking of interlocking bolt, seat pipe top by the effect of interlocking spring Connect in the pore in portion, saddle is installed on seat bar, fold locator card and be connected to the first two-tube set back upper place；Before front-wheel is installed on Axle, left rear wheel are installed in left rear axle, and off hind wheel is installed on right rear axle；Drive mechanism include axis, two cranks, chain wheel, two Pedal, flywheel and chain, central axis are connected in Five-way tube component, and two cranks are installed on the two ends of axis, and chain wheel is fixed and connected It is connected on the crank on the right of two cranks, flywheel is connected to the right side of front-wheel, chain is wire-wrapped on chain wheel and flywheel.

2. the portable tricycle of flexible handle type according to claim 1, is characterized in that：The left hand handle and described The screwed hole of right handgrip corresponds respectively to the bottom side of the upper latch fitting upper clamping piece, the left hand handle and the right handgrip lower end side After screwed hole is screwed into bolt, can be as described left hand sliding up and down with described right handgrip and the lower latch fitting lower clamping piece Spacing, be connected to the banking stop of the upper clamping piece bottom side, be connected to the left hand with the right handgrip on two spiral shells Bolt coordinates, can be as described left hand spacing when launching with described right handgrip.

3. the portable tricycle of flexible handle type according to claim 1, is characterized in that：The upper clamping piece longitudinal hole Rear end be connected with a counterbore, inlay the stop nut of clamping screw described in, described locking screw in the counterbore of the upper clamping piece Bolt by bolt and screws handle and is formed by connecting, and described clamping screw also includes stop nut, left end in the middle part of the lower clamping piece Upward and downward square hole is corresponding with the square tube of the front fork, the upward and downward square hole of left end and the front fork side in the middle part of the lower clamping piece The upper end close-fitting socket of pipe, described handle is a working of plastics, and two lower ends of the handle are respectively connected with the circle of a upward and downward, described Corresponding with the external diameter of the right handgrip, the top of the handle is a drawing to aperture and the left hand of two circle collar aperture of handle The handle of handss.

4. the portable tricycle of flexible handle type according to claim 1, is characterized in that：Five-way tube component is led to by five Pipe and amplexis part are constituted, and Five-way tube is the cutting off processing part of shape of a hoof aluminium extruded type pipe, and the left side of Five-way tube frontal plane is provided with four Individual screwed hole backward, fills in square column in the bottom pore of square tube, the bottom of pipe to and have a cross-perforating together with square column, embrace Fitting is the grooved part being open backward, and the grooved of amplexis part is corresponding with square tube close-fitting, the right and left of amplexis part grooved upper Under have a hole of a longitudinal direction, four longitudinal up and down holes of the right and left of amplexis part grooved and the screw thread backward of Five-way tube left side four Hole is corresponding, and amplexis part and Five-way tube are fixedly connected on the middle part of square tube by four bolts.

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

6. the portable tricycle of flexible handle type according to claim 1, is characterized in that：Described front-axle beam is aluminium extruded The slice processing part of type, the front end of the front-axle beam is in grooved, the upper and lower of rear end respectively has a horizontal perforation, middle part to have reinforcement Muscle, the centre above the front-axle beam rear end are provided with a grooved gap, the grooved gap above the front-axle beam rear end and the front-axle beam Cross-perforating above rear end is vertical intersecting, and respectively there is a circular hole corner of the front-axle beam reinforcement, and in the front-axle beam reinforcement In the circular hole of corner, tapping is into screwed hole, and the both sides up and down of the front-axle beam grooved are provided with mutual to perforation, the front-axle beam grooved Both sides up and down strike out fillet, side piece is by the rectangular patch of plastic injection, the corner Ge Youyi holes of side piece rectangle, side The hole of piece rectangle corner is corresponding with the screwed hole of the front-axle beam reinforcement corner, and is connected to both sides piece by bolt described The right and left of front-axle beam.

7. the portable tricycle of flexible handle type according to claim 1, is characterized in that：The first two-tube set position Respectively there is a company side up and down between two slotted holes, the two sides of the first two-tube set Open Side Down grooved strike out fillet, The rear casing is located at respectively has a company side between two slotted holes up and down, between two slotted hole of the rear casing on connect the rear end on side It is provided with the screwed hole of upward and downward, it is corresponding with the rear casing or so slotted hole vexed that described rear boring cover is that plastics are made Lid, has a twist-on hole on described rear boring cover, latch hook is the sliced pieces of an aluminium extruded type, carries a vertical collar aperture in the middle part of latch hook, One end of latch hook is in hook-type, and the other end of latch hook is a handle, is provided with elongated hole on the handle of latch hook, the first described latch hook member and The second described latch hook member includes two bushing pipes, is connected to first latch hook of rear casing opening grooved rear end to the left The latch hook of part, and the latch hook of the rear casing opening second latch hook member of grooved rear end to the right is connected to, respectively it is lined with up and down One bushing pipe.

8. the portable tricycle of flexible handle type according to claim 1, is characterized in that：Described seat pipe lower end In pore, close-fitting fills in a thick-walled tube, the related thickness that fills in of the upper and lower and trailing flank upper, middle and lower of seat pipe bottom leading flank Wall pipe is respectively provided with a screwed hole, the upper end of the seat pipe be provided with one vertical crack, the upper end socket one of the seat pipe is managed Folder, described seat bar is upper bend pipe at a right angle, and diapsid connects the sliced pieces that part is an aluminium extruded type, and diapsid connects part Upper end has a slotted hole, lower end to have a circular hole, diapsid connect part positioned at long collar aperture vertical have one mutual to perforation, diapsid Even part is located above circular hole the hole for having a longitudinal direction, and diapsid is connected the longitudinal hole of part and is fastened to before the seat pipe bottom by bolt Under side in screwed hole.

9. the portable tricycle of flexible handle type according to claim 1, is characterized in that：Connecting rod bending part is by one Metal round rod is bent into rectangle frame of the front with opening, bending is formed still further below for two leading sections of rectangle frame, connecting rod rectangle frame Inwardly the two ends of bending are drilled with perforation, and connecting rod bending part is penetrated in the slotted hole that diapsid connects part, makes connecting rod bending part Rearward end connects the top of the slotted hole of part positioned at diapsid, and diapsid is connected on front side of the upper end of part and the seat pipe bottom Middle screwed hole is fixed, and the two ends of the inside bending in the front end of connecting rod are penetrated in the horizontal perforation in the top of the front-axle beam rear end, and In the grooved gap above the front-axle beam rear end win, the front end that two connecting rod lining rings are socketed on connecting rod is located at after the front-axle beam Win on the two ends in the grooved gap of end top, and hammered into two pins in the perforation at the inside bending two ends of connecting rod rectangle frame calmly Position.

10. the portable tricycle of flexible handle type according to claim 1, is characterized in that：It is grooved that grooved connects part Aluminium extruded type cutting off processing part, grooved connects the left and right sides of part grooved and is provided with one mutual to perforation, and grooved connects part by two Bolt is connected with front side of the seat pipe bottom, and interlocking bolt is the bolt of a cup head, and described folding locator card is by U-shaped Buddhist nun In flakes, two connecting holes are arranged at U-shaped nylon card bottom for Long Card and metal, and respectively there is a hole anterior left and right to metal in flakes, metal rear portion in flakes Respectively there is a hole left and right, and the holes at metal rear portion in flakes is connected with two connecting holes of U-shaped nylon card bottom by bolt and nut, metal Anterior holes passes through bolt and nut, cover the left and right connected between two slotted holes on the face of side two two-tube with described first in flakes The hole connection of upward and downward.