CN206826827U - Quick stretching handle socket joint type connects part portable bicycle - Google Patents

Abstract

A kind of quick stretching handle socket joint type connects part portable bicycle, including quick flexible handle, front fork, side arm, central sill, socket joint type connects part, tow wheel, fork afterwards, vehicle seat, front-wheel, trailing wheel and drive mechanism, fast flexible handle is by left hand handle, right handgrip, upper latch fitting, lower latch fitting and handle are formed by connecting, lower latch fitting is connected with front fork and side arm, central sill and side arm, socket joint type connects part and tows wheel connection, socket joint type connects part connection vehicle seat, vehicle seat includes seat pipe, lock-connecting piece, connecting rod, saddle and folding positioning lock, socket joint type, which connects part, includes Coupling and shock-absorbing part, noose part is connected with rear fork, fork includes Five-way tube afterwards, back vent and shock-absorbing catch, front-wheel is connected to front fork, trailing wheel is connected to back vent, drive mechanism includes axis, two cranks, chain wheel, two pedals, flywheel and chain, central axis is connected in Five-way tube.

Description

Quick stretching handle socket joint type connects part portable bicycle

Technical field

A kind of folding portable bicycle is the utility model is related to, more particularly to a kind of using Five-way tube as rotating shaft --- Quick stretching handle socket joint type connects part portable bicycle.

Background technology

Have several money folding bicycles in the market, although there is the fast folding bicycle of folding rate, due to structure and The reasons such as construction, can't reach sufficiently small degree after folding.

The content of the invention

The purpose of this utility model is to provide for a kind of handlebar in a manner of the new type foldable for the handle type that fast stretches, rear fork With being folded by rotating shaft forward downward of Five-way tube, vehicle seat folds with side arm folding linkage, be able to can reach after having folded sufficiently small --- quick stretching handle socket joint type connects part portable bicycle.What the purpose of this utility model was realized in；Quick stretching handle Socket joint type connects part portable bicycle, including fast flexible handle, front fork, side arm, central sill, socket joint type connect part, tow wheel, back vent Part, vehicle seat, front-wheel, trailing wheel and drive mechanism, it is characterized in that：Fast flexible handle include left hand handle, right handgrip, upper latch fitting, under Latch fitting and handle, left hand is being to be formed by the upper end of pipe as right-angle bending with right handgrip, left hand handle and right handgrip right-angle bending The lower section at place is respectively provided with screwed hole, and the side with right handgrip bottom is respectively provided with screwed hole by left hand, and upper latch fitting is by upper clamping piece and upper Quick Release is formed, and respectively there is a circular hole that cracks of a upward and downward left and right ends of upper clamping piece, and upper clamping piece left and right ends are cracked the cracking of circular hole Towards front, there is a left lug forward in the crack left side of cracking of circular hole of upper clamping piece left end, and upper clamping piece right-hand member cracks the opening of circular hole There is a right lug forward on seam right side, has a projection forward in the middle part of upper clamping piece, in the left lug, projection and right lug of upper clamping piece Between have a mutual cross-perforating, upper Quick Release is installed on the mutual cross-perforating of left lug, projection and right lug of upper clamping piece In, left hand with right handgrip penetrating in the circular hole of upper clamping piece left and right ends upward and downward, and by left hand handle and right handgrip right-angle bending The screwed hole of place lower section corresponds to the bottom side of upper clamping piece, under being screwed into respectively at left hand handle and right handgrip right-angle bending with two bolts In the screwed hole of side, left hand is spacing being rotated with right handgrip with upper clamping piece work, and upper Quick Release can tighten up opening for upper clamping piece left end The circular hole that cracks of circular hole and right-hand member is stitched, the left hand handle in upper clamping piece and right handgrip are fixed；Lower latch fitting is by lower clamping piece and lower Quick Release Form, the front portion on the lower clamping piece left side and the anterior circular hole that cracks for respectively having a upward and downward on the right, crack circle for lower clamping piece left side front portion Cracking for hole is cracked towards front towards front, the lower clamping piece anterior circular hole that cracks in the right, and crack circular hole for lower clamping piece left side front portion Left side of cracking have a left lug forward, there is a right lug forward on the right side of cracking of the anterior circular hole that cracks on the right of lower clamping piece, There is a projection forward the anterior centre of lower clamping piece, between the left lug, projection and right lug of lower clamping piece, there is a mutual horizontal stroke To perforation, there is a circular hole of a upward and downward at the rear portion on the lower clamping piece left side, and there are the circular hole of a upward and downward, lower folder in the middle part on the right of lower clamping piece There is a circular hole that cracks of a upward and downward at rear portion on the right of part, upward and downward in the middle part of the circular hole of lower clamping piece left side rear portion upward and downward and the right Circular hole is connected with front fork, and left hand with right handgrip penetrating in the anterior circular hole with the right front portion upward and downward in the lower clamping piece left side, with two Bolt is screwed into left hand in the screwed hole with right handgrip bottom respectively, and lower Quick Release is installed on left lug, projection and the right side of lower clamping piece In the mutual cross-perforating of lug, lower Quick Release can tighten up the circular hole that cracks of crack circular hole and the right-hand member of lower clamping piece left end, by lower folder Left hand handle and right handgrip in part are fixed, and handle is connected to left hand the top with right handgrip, and positioned at the top of upper clamping piece；Before Frame is by rotary part and before connects part and forms, and the upward and downward that rotary part is installed on rear portion on the right of lower clamping piece cracks in circular hole, preceding company The front end of part is in groove profile, and the both sides up and down of preceding even part groove profile have mutual to perforation, and the upper and lower of preceding even part rear end respectively has one horizontal To perforation, preceding even part groove profile it is mutual to being punched through to locking bolt connection rotary part；The front end of central sill is connected with before connecting part, The rearward end of central sill is socketed in longitudinal hole of cracking that socket joint type connects part, and vehicle seat is rotationally connected with the top that socket joint type connects part, Socket joint type connects part and is made up of noose part and shock-absorbing part, and shock-absorbing part is made up of shock resistance block and bullet fitting, is had out above Coupling Mouth groove profile forward, there is the hole of cracking of a longitudinal direction in the middle part of Coupling, there is one downward to open below the hole of cracking of Coupling longitudinal direction Seam, the shape that there is an angle iron left part position of Coupling are protruded to the left, and the lower section connection one that Coupling protrudes left end to the left carries The cast portion in circle hole, the lower section connection one on the right of Coupling carry the cast portion in circle hole, the circle in Coupling left end cast portion The circle hole in collar aperture and Coupling right-hand member cast portion is used to be socketed Five-way tube, has on the upward stile of the shape of Coupling angle iron One slotted hole and two connecting holes, shock-absorbing part are connected to two connecting holes and slotted hole of upper vertical edge with Coupling, tow wheel and be connected to The rear end of central sill；Fork is made up of Five-way tube, back vent and shock-absorbing catch afterwards, and Five-way tube is penetrated in the circle in Coupling left end cast portion In collar aperture and in the circle hole in Coupling the right cast portion, and the left end of Five-way tube is located at the circle in Coupling left end cast portion Kong Zhong, the right-hand member of Five-way tube are located on the right of Coupling in the circle hole in cast portion, and the front end of back vent and the bottom of shock-absorbing catch lead to The cooperation of screw bolt and nut is crossed with being fixedly connected in the middle part of Five-way tube, shock-absorbing catch mutually leans on shock-absorbing part and produces shock-proof effect, Fork can fold using Five-way tube as axle center to inferoanterior afterwards；Groove profile of the seat pipe of vehicle seat with Coupling upper opening forward, which rotates, to be connected Connect, the connecting rod of vehicle seat and the seat pipe of vehicle seat and side arm are rotatablely connected, and front-wheel is installed on front fork, and trailing wheel is installed on back vent, by vehicle seat Collapsed forward, vehicle seat is inconjunction with side arm, fast stretch handle, front fork and front-wheel fold to the lower section of central sill together；Drive mechanism It is connected to including axis, two cranks, chain wheel, two pedals, flywheel and chain, central axis in Five-way tube, during two cranks are installed on The both ends of axle, chain wheel are fixedly connected on the crank on the right of two cranks, and flywheel is connected to trailing wheel, and chain is wire-wrapped in chain wheel and flywheel On.

The beneficial effects of the utility model are：The ingenious cooperation that the utility model passes through profile piece so that vehicle body is without electricity Weldering welding, represent a kind of new trend of the manufacturing process of bicycle；Handlebar of the present utility model is using quick-expansion handle Form so that the folding of handlebar reaches both most simple, and reaches most effective；Front fork is connected to lower clamping piece, on the right of lower clamping piece after The upward and downward in portion, which cracks, connects rotary part in circular hole, and central sill is located at position to the right so that under the trailing wheel after folding can be located at Opening in shelves between folder two front fork stems of connection, has accomplished the utility model after folding ultimate attainmently compact；Using socket joint type Longitudinal direction crack hole amplexis in the rearward end of central sill so that manufacturing process further simplifies；Utilize the comprehensive elasticity of polyurethane Feature, the elongated hole interlocking of fitting and shock-absorbing substrate will be played so that play fitting and after shock-absorbing substrate clasps, the elastic force foot of polyurethane With the gravity downward more than back vent and trailing wheel by fitting and shock-absorbing substrate latching force is played, so as to eliminate the complexity of positioning lock interlocking Mode；Part rotation connection Five-way tube, the mode that Five-way tube is connected with rear fork again so that of the present utility model are connected using socket joint type Fork can connect part folding, and the effect with rear shock-absorbing with socket joint type afterwards；The rear end for being installed on central sill is taken turns using towing so that this Utility model can tow after folding, and after vehicle body folds, vehicle seat folds positioning lock and the flanging interlocking of slotware backward before central sill, energy Produce more effective locating effect.

Brief description of the drawings：

Fig. 1 is the utility model structure diagram；

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

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

Fig. 4 is the schematic diagram of the utility model Coupling；

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

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

In figure：1 --- flexible handle, 2 --- front fork, 3 --- side arm, 4 --- central sill, 51 --- socket joint type connects part, 52 --- tow wheel, 53 --- rear fork, 6 --- vehicle seat, 71 --- front-wheel, 72 --- trailing wheel, 8 --- drive mechanism；Wherein Flexible handle 1 also includes：11 --- left hand handle, 12 --- right handgrip, 13 --- upper latch fitting, 14 --- lower latch fitting, 15 --- draw Hand；Vehicle seat 6 also includes：Vehicle seat 6 also includes：61 --- seat pipe, 62 --- lock-connecting piece, 63 --- connecting rod, 64 --- saddle, 65 --- fold positioning lock.

Embodiment：

According to Fig. 1, described quick stretching handle socket joint type connects part portable bicycle, including flexible handle 1, front fork stem 2, preceding Frame 3, central sill 4, socket joint type connect part 51, tow wheel 52, rear fork 53, vehicle seat 6, front-wheel 71, trailing wheel 72 and drive mechanism 8；

Described flexible handle 1 includes left hand 11, right handgrip 12, upper latch fitting 13, lower latch fitting 14 and handle 15, described Left hand is all to be formed by the upper end of pipe as right-angle bending 11 and described right handgrip 12, and the left hand is 11 and the right hand Side below at 12 right-angle bendings is respectively provided with a screwed hole, the left hand is each the side of 11 and the bottom of the right handgrip 12 It is provided with a screwed hole.

Described upper latch fitting 13 is made up of upper clamping piece and upper Quick Release, and described upper clamping piece is the blank of an aluminium extruded type, Can be that aluminium forges part or aluminium diecasting, respectively there are the circular hole that cracks of a upward and downward, the upper folder in the left and right ends of the upper clamping piece Part left and right ends are cracked the cracking towards front of circular hole, and there is a left side forward in the crack left side of cracking of circular hole of the upper clamping piece left end Lug, the left side of the left lug of upper clamping piece are in arc concave, and the crack right side of cracking of circular hole of the upper clamping piece right-hand member has one forward Right lug, have a projection forward, the left lug of the upper clamping piece, the projection of the upper clamping piece and institute in the middle part of the upper clamping piece Between the right lug for stating upper clamping piece, a mutual cross-perforating is provided with, the postmedian of the upper clamping piece bottom surface has one downward prominent Go out, the cross-perforating between the right lug of the left lug of the upper clamping piece, the projection of the upper clamping piece and the upper clamping piece is used for The described upper Quick Release of installation, described upper Quick Release include fast dismounting handle, circle hook bolt, arc spacer, two Quick Release springs, two nuts and C type fasteners, c type fasteners are made up of nylon, and there is the opening of a c shapes front end of c type fasteners, and there is connection the rear end of c type fasteners Hole, c type fasteners are bolted to the front of the upper clamping piece projection, and fast dismounting handle is one of a trigger piece and is connected with The part of two disks arranged side by side, there is mutual eccentric orfice on the disk arranged side by side of fast dismounting handle two, inclined on the disk of fast dismounting handle two Heart hole is rotatablely connected by the collar aperture of rivet and circle hook bolt, and arc spacer is pad made of nylon, the arc of arc spacer Corresponding with the arc concave on the left of the left lug of the upper clamping piece, circle hook bolt penetrates arc spacer, the upper clamping piece left lug In Kong Zhong, a Quick Release spring, in the hole of the upper clamping piece projection, another Quick Release spring neutralize the hole of the right lug of upper clamping piece In, two nuts are positioned to twisting, switching fast dismounting handle, the hole of cracking of the upper clamping piece left and right ends can be tightened up, by described upper folder The hole of cracking of part left and right ends, tighten up positioned at the upper clamping piece left end crack hole in the left hand 11 and on described Folder right-hand member is cracked the right handgrip 12 in hole, and the fast dismounting handle after interlocking is caught in the c shape openings of c type fasteners.

Described left hand penetrates 11 and described right handgrip in the collar aperture of the left and right ends in described handle 15, institute The handle 15 stated is a working of plastics, and the lower end of left and right two of the handle 15 is respectively connected with the collar aperture of a upward and downward, the handle 15 The aperture of two collar aperture is corresponding the external diameter of 11 and the right handgrip 12 with the left hand, and the top of the handle 15 is a handle Handle, two collar aperture of the handle 15, then will respectively positioned at the left hand 11 and the lower section in the knee of the right handgrip 12 Described left hand is penetrated in the circular hole that cracks of the upper clamping piece left end 11, and described right handgrip 12 is penetrated in the upper folder In the circular hole that cracks of part right-hand member, and the left hand corresponds to the screwed hole below at 11 and the right-angle bending of the right handgrip 12 The bottom side of the upper clamping piece, it is screwed into respectively described in the left hand neutralizes the screwed hole below at 11 right-angle bendings with two bolts In screwed hole below at the right-angle bending of right handgrip 12, the left hand is fastened in the screwed hole below at 11 right-angle bendings Bolt in bolt and the screwed hole being fastened to below at the right-angle bending of right handgrip 12, respectively positioned at the bottom of the upper clamping piece Side, when described left hand deploys 11 and described right handgrip 12, the left hand is fastened to below at 11 right-angle bendings Bolt in bolt in screwed hole and the screwed hole being fastened to below at the right-angle bending of right handgrip 12, with the upper clamping piece Being downwardly projected for the postmedian of bottom surface is construed as limiting.

Described lower latch fitting 14 is made up of lower clamping piece and lower Quick Release, and described lower clamping piece is the blank of an aluminium extruded type, Can be that aluminium forges part or aluminium diecasting, respectively there is the circle that cracks of a upward and downward front portion on the lower clamping piece left side and the front portion on the right Hole, lower clamping piece left side front portion are cracked the cracking towards front of circular hole, and the anterior circular hole that cracks cracks on the right of the lower clamping piece Towards front, there is a left lug forward in the crack left side of cracking of circular hole of lower clamping piece left side front portion, and the lower clamping piece left side is convex The left side of piece is in arc concave, and there is a right lug forward on the right side of cracking of the anterior circular hole that cracks on the right of the lower clamping piece, under described There are a projection forward, the left lug of the lower clamping piece, the projection of the lower clamping piece and the lower clamping piece in the anterior centre of folder Right lug between, be provided with a mutual cross-perforating, there is the circular hole of a upward and downward at the rear portion on the lower clamping piece left side, under described There are the circular hole of a upward and downward, the circular hole of described lower clamping piece the right middle part upward and downward and the lower clamping piece left side in middle part on the right of folder For the circular hole of rear portion upward and downward in laterally corresponding to, there are the circular hole that cracks of a upward and downward, the lower folder in the rear portion on the right of the lower clamping piece Rear portion is cracked the cracking towards rear of circular hole on the right of part, the both sides that the lower clamping piece cracks towards rear, respectively there is a company backward Side, the Lian Bianshang of the lower clamping piece two backward, cross-perforating mutual upper and lower Ge Kai mono-, lower clamping piece left side rear portion upward and downward Circular hole and described the right in the middle part of upward and downward circular hole it is corresponding with two front fork stem close-fittings of the front fork 2, described front fork 2 is by two Front fork stem is formed, and described front fork stem is made up of metal circular tube, and the lower end of the front fork stem is in flattening shape, the front fork stem lower end Be provided with the gap of ∩ shapes at flattening, the upper ends of two front fork stems respectively with the circular hole of lower clamping piece left side rear portion upward and downward and The circular hole close-fitting socket of upward and downward in the middle part of described the right, and being reinforced with pin, the left lug of the lower clamping piece, the lower clamping piece Cross-perforating between projection and the right lug of the lower clamping piece is used to install described lower Quick Release, and described lower Quick Release includes fast Tear handle, circle hook bolt, arc spacer, two Quick Release springs, two nuts and c type fasteners, c type fasteners open to be made up of nylon, c type cards There is the opening of a c shapes front end of part, and there is connecting hole the rear end of c type fasteners, and c type fasteners are bolted to the lower clamping piece The front of projection, fast dismounting handle are the parts that one of a trigger piece is connected with two disks arranged side by side, the circle arranged side by side of fast dismounting handle two There is mutual eccentric orfice on piece, the collar aperture that the eccentric orfice on the disk of fast dismounting handle two passes through rivet and circle hook bolt is rotated and connected Connect, arc spacer is pad made of nylon, and the arc of arc spacer is relative with the arc concave on the left of the left lug of the lower clamping piece Should, circle hook bolt penetrate arc spacer, the left lug of the lower clamping piece hole in, in a Quick Release spring, the lower clamping piece projection Kong Zhong, another Quick Release spring are neutralized in the hole of the right lug of lower clamping piece, by two nuts to twisting positioning, switching fast dismounting handle, can be received Anterior hole of cracking, then receives described lower clamping piece on the right of the tight lower clamping piece left side anterior crack hole and the lower clamping piece Tightly positioned at the left hand that the lower clamping piece left end cracks in hole 11 and positioned at the lower clamping piece right-hand member crack hole in described in Right handgrip 12, the fast dismounting handle after interlocking are caught in the c shape openings of c type fasteners.

Described left hand is 11 and described right handgrip 12, then respectively penetrates the anterior circular hole that cracks in the lower clamping piece left side Neutralize in the circular hole that cracks anterior on the right of the lower clamping piece, screw thread of the left hand 11 bottom sides is screwed into respectively with two bolts Hole is neutralized in the screwed hole of the bottom side of right handgrip 12, is fastened to the left hand the spiral shell in the screwed hole of 11 bottom sides Bolt the crack circular hole anterior as the lower clamping piece left side to upper limit, be fastened to the screw thread of the bottom side of right handgrip 12 Bolt in hole, as the anterior circular hole that cracks on the right of the lower clamping piece to upper limit.

Described side arm 3 includes rotary part and before connects part, and described rotary part includes front axle tube and two zanjon axles Hold, each car of upper and lower side of front axle tube pore has the counterbore for placing zanjon bearing, and front axle tube penetrates rear portion on the right of the lower clamping piece Crack in circular hole, and respectively penetrated with two bolts in the two mutual cross-perforatings that the lower clamping piece two connects on side backward, mixed Two nuts are tightened, and front axle tube is fixed on the right of the lower clamping piece in the circular hole that cracks at rear portion, two zanjon bearings are inlayed respectively In the counterbore of front axle tube upper and lower side, then by the endoporus of two zanjon bearings correspond to it is described before connect two sides above and below the groove profile of part front end It is mutual to perforation, with to lock bolt by described rotary part with it is described before connect the groove profile of part and be connected, connecting part before described is The slice processing part or aluminium of aluminium extruded type forge part or aluminium diecasting, connect before described the front end of part in groove profile, rear end it is upper Respectively there is a horizontal perforation lower section, and the both sides up and down that part groove profile is connected before described are provided with mutual to perforation, and part groove profile is connected before described Both sides up and down it is rounded.

Described central sill 4 includes beam pipe, preceding interior chock, rear interior plug, preceding slotware and rear fastener, and described beam pipe is by metal square Shape pipe is made, and interior chock before close-fitting is filled in the pore of the beam pipe front end, described preceding interior chock is by respectively there is a circle up and down The cutting off processing part of the rectangular aluminium section bar in hole, it is tapped in two circular holes up and down of interior chock before described, before the beam pipe The interior chock that the side at end is inconjunction with the pore of beam pipe front end squeezes into the positioning of two pins, and the preceding interior chock is fixed In the pore of the beam pipe front end, described preceding slotware is to strike out the groove profile part facing forward that is open, the preceding groove by sheet metal Lower end at left and right sides of part has mutual to perforation, and bottom surface respectively has a hole up and down after the preceding slotware, bottom after the preceding slotware There is a flanging backward the upper end in face, after the preceding slotware the upper lower opening of bottom surface by two bolts with the pore of beam pipe front end Preceding interior chock twist-on is fixed, at left and right sides of the preceding slotware it is mutual to be punched through to lock bolt with it is described before connect under part rear end The cross-perforating rotation connection of side, the rearward end of the beam pipe are socketed in longitudinal hole of cracking that the socket joint type connects part 51, Fastener is made up of nylon afterwards, there is the notch of a c types below rear fastener, the connecting hole for having two upward and downwards in rear fastener c type groove mouths, Afterwards fastener by two bolt connections in the middle part of the beam pipe.

Described socket joint type, which connects part 51, includes Coupling and shock-absorbing part, and described Coupling is aluminium diecasting, the socket There is the groove profile of an opening forward above part, there are a mutual cross-perforating, institute in the both sides of Coupling opening groove profile forward Stating has the hole of cracking of a longitudinal direction in the middle part of Coupling, and the hole of cracking of longitudinal direction is that the longitudinal direction of rectangle is cracked hole in the middle part of the Coupling, institute The longitudinal direction hole of cracking for stating Coupling rectangle matches with described beam pipe, have below the hole of cracking of the Coupling longitudinal direction one to Under crack, the right flank that the Coupling cracks downwards has horizontal perforation, and the left surface that the Coupling cracks downwards has Horizontal screwed hole, the crack downwards horizontal perforation of right flank and the Coupling of the Coupling crack downwards the horizontal stroke of left surface It is corresponding to screwed hole, the Coupling cracks downwards the horizontal perforation of right flank and the Coupling cracks downwards left surface The longitudinal direction of the Coupling rectangle is cracked hole and the rearward end of the beam pipe is fixed by the twist-on of bolt by lateral threaded holes, The shape that there is an angle iron left part position of the Coupling is protruded to the left, and the Coupling protrudes the lower section connection one of left end to the left Cast portion with circle hole, the lower section connection one on the right of the Coupling carry the cast portion in circle hole, and the Coupling is left The circle hole in end lower section cast portion and horizontal corresponding, the Coupling left end in the circle hole in lower section cast portion on the right of the Coupling The circle hole in the circle hole in cast portion and the Coupling right-hand member cast portion is used to be socketed described Five-way tube, the Coupling three There is a slotted hole in the middle part of the upward stile of the shape of angle bar, the shape of the Coupling angle iron is in front of upper vertical edge slotted hole Each side have a connecting piece, there is a mutual transverse direction to wear in two connection sheets in front of the shape of the Coupling angle iron Hole, the shape of the Coupling angle iron respectively have a connecting hole to the both sides that upper vertical edge is located at slotted hole, and the two of the Coupling Connecting hole is connected by two pairs of lock bolts with shock resistance block.

Described shock-absorbing part is made up of shock resistance block and bullet fitting, and described shock resistance block is the rectangular block shape made of polyurethane Shock resistance block, have a through hole and two connecting holes on described shock resistance block, the connecting hole of the shock resistance block is that counterbore connects with perforation Hole, two connecting holes of the shock resistance block are respectively connected by a pair of lock bolts with two connecting holes of the Coupling, described bullet Fitting is a rod metalwork, and play fitting one is in cast, and the other end for playing fitting is that round bar passes through two bendings And the obtuse angle to raise up is formed, the bullet fitting is penetrated in the slotted hole of the Coupling, and the cast for playing fitting Between two connection sheets in front of the shape of the Coupling angle iron, the connection sheet phase of Coupling two is penetrated with a bolt Mutual cross-perforating is neutralized in the cast for playing fitting, and positioned with a nut and bolt twist-on, the rod for playing fitting Penetrate in the through hole of the shock resistance block, and it is described bullet the bending of fitting two and form the obtuse angle to raise up and be exposed to the shock-absorbing The rear of block, it is described play obtuse angle that the bending of fitting two and being formed raises up can with it is described after the elongated hole of the shock-absorbing catch of fork 53 lock Connect.

The described wheel 52 that tows is formed by Qian type part, to lock bolt, three bushing pipes and two tugboats, Qian type part by flat bar gold The both ends of category piece form as right-angle bending upwards, and two upper ends of Qian type part are provided with mutual horizontal perforation, the bottom of Qian type part and institute The rear end clamping of beam pipe is stated, and the rear end of Qian type part and the beam pipe is riveted with rivet and fixed, lock bolt will be penetrated In two tugboats, in three bushing pipes and Qian type part the mutual horizontal perforation in two upper ends and twist-on, two tugboats are connected to the beam pipe Above rear end, the rear interior rear end for filling in the beam pipe, tugboat is the PU wheels of plastic wheel hub, and the centre of PU wheels two sides is respectively inlayed One deep groove ball bearing, a lining ring is also lined between two deep groove ball bearings of PU wheels, two tugboats open shelves less than the crank described in two Open shelves, and positioned at the inner side for opening shelves of the crank described in two.

Described rear fork 53 is made up of Five-way tube, back vent and shock-absorbing catch, and described Five-way tube is processed by metal tube Form, the side of the Five-way tube there are several connecting holes, and described Five-way tube is penetrated in the circle in the Coupling left end cast portion Collar aperture is neutralized on the right of the Coupling in the circle hole in cast portion, and the left end of the Five-way tube is located at the Coupling left end In the circle hole in cast portion, the right-hand member of the Five-way tube is located on the right of the Coupling in the circle hole in cast portion, after described Fork is made up of shape, and the upper edge and lower edge of the shape of the back vent are in the semi-circle tubular of evagination respectively, by gold The both ends of genotype material form described back vent after making bending backward, and the leading section of the back vent is provided with several connecting holes, Respectively there is the U-shaped gap of an opening backward the rear end of the back vent two bending backward.

Described shock-absorbing catch is stamped to form by a sheet metal, and there are an elongated hole, institute in the centre on the shock-absorbing catch top Stating the bottom of shock-absorbing catch has several connecting holes, several connecting holes of the shock-absorbing catch and the several companies in leading section of the back vent It is corresponding to connect the several connecting holes in side in hole and the Five-way tube, and by the twist-on of several bolt and nuts, the shock-absorbing is kept off The bottom of piece is fixedly connected with the leading section of the back vent and the side of the Five-way tube.

The rear fork 53 after being rotatablely connected with the Coupling, can be using Five-way tube as axle and the Coupling left end circle The circle hole in shape portion and the circle hole rotatable engagement in the Coupling right-hand member cast portion, enable described rear fork 53 to inferoanterior Fold, after described rear fork 53 folds to inferoanterior, the semi-circle tubular in evagination of the right dropout front portion lower edge, Can be with the c type groove mouths of fastener after the central sill 4, enabling described rear fork 53 to be positioned with described central sill 4, described back vent After part 53 deploys, it is connected with the back vent leading section and the Five-way tube side connects the shock-absorbing catch of part and can kept away with described Shake part leans, and the elongated hole of the shock-absorbing catch plays the bending of fitting two and to form the obtuse angle to raise up corresponding, simultaneously with described Can interlocking.

Described vehicle seat 6 includes seat pipe 61, lock-connecting piece 62, connecting rod 63, saddle 64 and folds positioning lock 65, described seat pipe 61 by rectangle seat pipe, upper plug member and circle saddle pipe form, described rectangle seat pipe be by a rectangular tube upper end to the left lateral bend and Into close-fitting fills in described upper plug member in the pore of the rectangle seat pipe upper end, and described upper plug member is that respectively have a circle by front and rear The cutting off processing part of the rectangular aluminium section bar in hole, it is tapped in front and rear two circular hole of the upper plug member, in the rectangle seat pipe End is inconjunction with described upper plug member and squeezes into pin reinforcing together, and close-fitting socket rectangle is golden in the pore of the rectangle seat pipe lower end Category pipe, the rectangle seat pipe bottom are together respectively provided with a cross-perforating, simultaneously with being socketed rectangular metal pipe therein in upper, middle and lower An elongated hole is together provided with trailing flank, described circle saddle pipe is process by metal circular tube, the round saddle pipe rear end it is front and rear Respectively be provided with a radial direction is punched through two screwed holes of two bolts and the upper plug member to perforation, two couple of the round saddle pipe rear end It is fixedly connected, the lower cross-perforating of the rectangle seat pipe bottom passes through mutual to lock bolt and the Coupling groove profile both sides Cross-perforating is rotatablely connected, and the middle cross-perforating of the rectangle seat pipe bottom passes through to the hook of lock-connecting piece 62 described in lock bolt connection The cast of shape part, described lock-connecting piece 62 are made up of hook-like part and extension spring, and hook-like part is the gold that front end is cast, rear end is hook-type Belong to part, the hook-type of hook-like part is in downward dead bolt shape, and the hook-type of hook-like part passes the rectangle seat pipe bottom trailing flank Elongated hole, there are a transverse holes in front of hook-like part hook-type, the transverse holes in the front of hook-like part hook-type are located at the rectangle seat pipe lower end In the pore in portion, one end of extension spring is connected to the transverse holes of hook-like part, and one end of extension spring, which is connected to, to be penetrated under the rectangle seat pipe In the lower cross-perforating of end to locking bolt, the hook-type of hook-like part in the presence of extension spring can with it is described after slotware trailing flank Upper edge interlocking, the rear end of the connecting rod 63 are penetrated in the upper cross-perforating of the seat pipe lower end from left to right, and blending bolt is twisted It is connected in the screwed hole of the rear end of connecting rod 63 and positions, described connecting rod 63 is pressed into directly by the rear and front end of a metal round steel The part of angle bending, a screwed hole, the front end of the connecting rod 63 are respectively provided with the two-end-point of right-angle bending before and after the connecting rod 63 Penetrate from left to right in the preceding even cross-perforating above part rear end, blending bolt is fastened to the screwed hole of the front end of connecting rod 63 Middle positioning, described saddle 64 are connected on described circle saddle pipe, and described folding positioning lock 65 is by pedestal, circular hole plug, interlocking Head, spring and pull handle are formed, and pedestal is the cutting off processing part of aluminium section bar, and the front portion of pedestal is a vertical rectangle pore, pedestal Rear portion be in groove profile, the groove profile of pedestal is stuck in the rectangle seat pipe top, and is positioned with to lock bolt twist-on, under pedestal rectangular opening A circular hole plug is fixed at end, and there is the circular hole of a upward and downward centre of circular hole plug, and latching connector is made up of tapered end and locking bar, and tapered end is in upward Dead bolt shape, the lower section connection locking bar of tapered end, there are a transverse holes lower end of locking bar, and locking bar penetrates in spring and circular hole plug upward and downward In circular hole, and tapered end is slidably connected in the rectangle pore of pedestal, locking bar transverse holes connection pull handle, pull handle has pull handle bolt With two plastics pull handles form, after by described 6 collapsed forward of vehicle seat, it is described fold positioning lock 65 latching connector can with it is described before The flanging interlocking of slotware backward, the pull handle of folding positioning lock 65 described in post-tensioning, the latching connector for folding positioning lock 65 can be with institute The flanging of slotware backward unclamps before stating, and the vehicle seat 6 described in energy deploys with described central sill 4 and described side arm 3.

Described front-wheel 71 is 8 inches of wheel, and the both ends of the wheel shaft of front-wheel 71 are installed on two institutes by the cooperation of nut In the gap of ∩ shapes for stating front fork stem, described trailing wheel 72 is 10 inches of wheels, and the both ends of the wheel shaft of trailing wheel 72 pass through spiral shell respectively Female cooperation, it is fixedly connected in the U-shaped gap of 53 liang of dropout of the rear fork.

Described drive mechanism 8 includes axis, two cranks, chain wheel, two pedals, flywheel and chain, and described axis passes through Axis accessory is connected in described Five-way tube, and the crank described in two is installed on the both ends of the axis, and described chain wheel is fixed It is connected on the right crank of two cranks, the pedal described in two is connected on the crank described in two, described flywheel The right side of the trailing wheel 72 is connected to, described chain is wire-wrapped on described chain wheel and described flywheel.

Claims (10)

1. a kind of quick stretching handle socket joint type connects part portable bicycle, including fast flexible handle, front fork, side arm, central sill, socket Formula connects part, tows wheel, rear fork, vehicle seat, front-wheel, trailing wheel and drive mechanism, it is characterized in that：Fast flexible handle includes left hand , right handgrip, upper latch fitting, lower latch fitting and handle, left hand is being to be formed by the upper end of pipe as right-angle bending with right handgrip, left hand Screwed hole is respectively provided with the lower section at right handgrip right-angle bending, the side with right handgrip bottom is respectively provided with screwed hole by left hand, Upper latch fitting is made up of upper clamping piece and upper Quick Release, and respectively there are the crack circular hole, upper clamping piece or so of a upward and downward in the left and right ends of upper clamping piece Both ends are cracked the cracking towards front of circular hole, and there are a left lug forward, upper folder in the crack left side of cracking of circular hole of upper clamping piece left end There is a right lug forward on the crack right side of cracking of circular hole of part right-hand member, has a projection forward in the middle part of upper clamping piece, in upper clamping piece There is a mutual cross-perforating between left lug, projection and right lug, upper Quick Release is installed on left lug, projection and the right side of upper clamping piece In the mutual cross-perforating of lug, left hand with right handgrip penetrating in the circular hole of upper clamping piece left and right ends upward and downward, and by left hand With at right handgrip right-angle bending below screwed hole correspond to upper clamping piece bottom side, with two bolts be screwed into respectively left hand handle and In screwed hole below at right handgrip right-angle bending, by left hand making to rotate spacing, upper Quick Release energy with right handgrip and upper clamping piece The circular hole that cracks of crack circular hole and the right-hand member of upper clamping piece left end is tightened up, the left hand handle in upper clamping piece and right handgrip are fixed；Lower lock Part is made up of lower clamping piece and lower Quick Release, the front portion on the lower clamping piece left side and the anterior circular hole that cracks for respectively having a upward and downward on the right, under Folder left side front portion cracks the cracking towards front of circular hole, and the anterior circular hole that cracks cracks towards front on the right of lower clamping piece, lower folder There is a left lug forward in the crack left side of cracking of circular hole of part left side front portion, the right side of cracking of the anterior circular hole that cracks on the right of lower clamping piece There is a right lug forward, there is a projection forward the anterior centre of lower clamping piece, in the left lug, projection and right lug of lower clamping piece Between, there is a mutual cross-perforating, there is a circular hole of a upward and downward at the rear portion on the lower clamping piece left side, and the middle part on the right of lower clamping piece has one There are the circular hole that cracks of a upward and downward, the circular hole of lower clamping piece left side rear portion upward and downward in the circular hole of upward and downward, the rear portion on the right of lower clamping piece It is connected with the circular hole of upward and downward in the middle part of the right with front fork, left hand handle and right handgrip are penetrated on lower clamping piece left side front portion and the right front portion It is lower to circular hole in, be screwed into left hand respectively in the screwed hole with right handgrip bottom with two bolts, lower Quick Release is installed on lower clamping piece Left lug, in projection and the mutual cross-perforating of right lug, lower Quick Release can tighten up crack circular hole and the right-hand member of lower clamping piece left end The circular hole that cracks, the left hand handle in lower clamping piece and right handgrip are fixed, handle is connected to left hand the top with right handgrip, and position In the top of upper clamping piece；Side arm is by rotary part and before connects part and forms, rotary part be installed on rear portion on the right of lower clamping piece up and down Into the circular hole that cracks, the front end of preceding even part is in groove profile, and there is mutual to perforating, preceding even part rear end the both sides up and down of preceding even part groove profile Upper and lower respectively have a cross-perforating, preceding even part groove profile it is mutual to being punched through to locking bolt connection rotary part；Central sill Front end is connected with before connecting part, and the rearward end of central sill is socketed in longitudinal hole of cracking that socket joint type connects part, and vehicle seat is rotationally connected with Socket joint type connects the top of part, and socket joint type connects part and is made up of noose part and shock-absorbing part, and shock-absorbing part is made up of shock resistance block and bullet fitting, is covered There is the groove profile of an opening forward above fitting, the hole of cracking for having a longitudinal direction in the middle part of Coupling, the hole of cracking of Coupling longitudinal direction Lower section have one it is downward crack, the shape that there is an angle iron left part position of Coupling is protruded to the left, and Coupling protrudes left end to the left Lower section connection one carry the cast portion in circle hole, the lower section connection one on the right of Coupling carries the cast portion in circle hole, socket The circle hole in part left end cast portion and the circle hole in Coupling right-hand member cast portion are used to be socketed Five-way tube, the shape of Coupling angle iron There are a slotted hole and two connecting holes on the upward stile of shape, shock-absorbing part connects with two connecting holes from Coupling to upper vertical edge and slotted hole Connect, tow the rear end that wheel is connected to central sill；Fork is made up of Five-way tube, back vent and shock-absorbing catch afterwards, and Five-way tube is penetrated in socket In the circle hole in part left end cast portion and in the circle hole in Coupling the right cast portion, and the left end of Five-way tube is located at Coupling In the circle hole in left end cast portion, the right-hand member of Five-way tube is located on the right of Coupling in the circle hole in cast portion, the front end of back vent and The bottom of shock-absorbing catch is by the cooperation of screw bolt and nut with being fixedly connected in the middle part of Five-way tube；In the seat pipe and Coupling of vehicle seat The groove profile rotation connection of portion's opening forward, the connecting rod of vehicle seat and the seat pipe of vehicle seat and side arm are rotatablely connected, and front-wheel is installed on front fork, Trailing wheel is installed on back vent；Drive mechanism includes axis, two cranks, chain wheel, two pedals, flywheel and chain, central axis and is connected to In Five-way tube, two cranks are installed on the both ends of axis, and chain wheel is fixedly connected on the crank on the right of two cranks, after flywheel is connected to Wheel, chain are wire-wrapped on chain wheel and flywheel.

2. quick stretching handle socket joint type according to claim 1 connects part portable bicycle, it is characterized in that：The upper clamping piece is left The left side of lug is in arc concave, and the postmedian of the upper clamping piece bottom surface has a downward protrusion, and described upper Quick Release includes Quick Release Handle, circle hook bolt, arc spacer, two Quick Release springs, two nuts and c type fasteners, the arc of arc spacer are left with the upper clamping piece Arc concave on the left of lug is corresponding, and the left side of the left lug of lower clamping piece is in arc concave, and rear portion is cracked on the right of the lower clamping piece Circular hole cracks towards rear, the both sides that the lower clamping piece cracks towards rear, respectively there is a company side backward, the lower clamping piece two Lian Bianshang backward, cross-perforating mutual upper and lower Ge Kai mono-, described lower Quick Release include fast dismounting handle, circle hook bolt, arc-shaped pad Piece, two Quick Release springs, two nuts and c type fasteners, the arc of arc spacer and the arc concave phase on the left of the left lug of the lower clamping piece It is corresponding.

3. quick stretching handle socket joint type according to claim 2 connects part portable bicycle, it is characterized in that：Front axle tube penetrates institute State on the right of lower clamping piece in the circular hole that cracks at rear portion, and respectively penetrate that the lower clamping piece two connects on side backward with two bolts two are mutual Cross-perforating in, mix two nuts and tighten, front axle tube is fixed on the right of the lower clamping piece in the circular hole that cracks at rear portion, with pair Lock bolt by described rotary part with it is described before connect the groove profile of part and be connected.

4. quick stretching handle socket joint type according to claim 1 connects part portable bicycle, it is characterized in that：Described central sill bag Include beam pipe, preceding interior chock, it is rear in plug, preceding slotware and rear fastener, there is flanging backward the upper end of bottom surface after the preceding slotware, described The rearward end of beam pipe is socketed in longitudinal hole of cracking that the socket joint type connects part, the both sides of Coupling opening groove profile forward There is a mutual cross-perforating, the hole of cracking of longitudinal direction is that the longitudinal direction of rectangle is cracked hole in the middle part of the Coupling, the Coupling square The longitudinal direction of shape hole of cracking matches with described beam pipe, and the right flank that the Coupling cracks downwards has horizontal perforation, described The left surface that Coupling cracks downwards has a horizontal screwed hole, the Coupling crack downwards the horizontal perforation of right flank with it is described Coupling crack downwards left surface lateral threaded holes it is corresponding, the Coupling cracks downwards the horizontal perforation of right flank and institute State Coupling crack downwards left surface lateral threaded holes by the twist-on of bolt, the longitudinal direction of the Coupling rectangle is cracked hole Fixed with the rearward end of the beam pipe.

5. quick stretching handle socket joint type according to claim 4 connects part portable bicycle, it is characterized in that：The Coupling is left The circle hole in end lower section cast portion and horizontal corresponding, the Coupling left end in the circle hole in lower section cast portion on the right of the Coupling The circle hole in the circle hole in cast portion and the Coupling right-hand member cast portion is used to be socketed described Five-way tube, the Coupling three There is a slotted hole in the middle part of the upward stile of the shape of angle bar, the shape of the Coupling angle iron is in front of upper vertical edge slotted hole Each side have a connecting piece, there is a mutual transverse direction to wear in two connection sheets in front of the shape of the Coupling angle iron Hole, the shape of the Coupling angle iron respectively have a connecting hole to the both sides that upper vertical edge is located at slotted hole, and the two of the Coupling Connecting hole is connected by two pairs of lock bolts with shock resistance block.

6. quick stretching handle socket joint type according to claim 1 connects part portable bicycle, it is characterized in that：Described shock resistance block It is the shock resistance block of the rectangular block shape made of polyurethane, there is a through hole and two connecting holes, the shock resistance block on described shock resistance block Connecting hole to be counterbore respectively pass through a pair of lock bolts and the Coupling with the hole that connect of perforating, two connecting holes of the shock resistance block The connection of two connecting holes, described bullet fitting is a rod metalwork, and described to play one of fitting be in cast, the bullet fitting Other end is that round bar forms the obtuse angle to raise up by two bendings, and the bullet fitting is penetrated in the slotted hole of the Coupling In, and the cast for playing fitting is located between two connection sheets in front of the shape of the Coupling angle iron, is worn with a bolt Enter the mutual cross-perforating of the connection sheet of Coupling two to neutralize in the cast for playing fitting, and with a nut and bolt twist-on Positioning, it is described play fitting rod penetrate in the through hole of the shock resistance block, and it is described bullet the bending of fitting two and formed convex The obtuse angle risen is exposed to the rear of the shock resistance block, it is described play the bending of fitting two and formed the obtuse angle that raises up can with it is described after The elongated hole interlocking of fork shock-absorbing catch.

7. quick stretching handle socket joint type according to claim 1 connects part portable bicycle, it is characterized in that：Described tows wheel Formed by Qian type part, to lock bolt, three bushing pipes and two tugboats, Qian type part makees right-angle folding upwards by the both ends of the sheet metal of flat bar Curved to form, two upper ends of Qian type part are provided with mutual horizontal perforation, the bottom of Qian type part and the rear end clamping of beam pipe, and will with rivet The rear end riveting of Qian type part and beam pipe is fixed, by lock bolt is penetrated in two tugboats, in three bushing pipes and Qian type part two upper end phases Mutual horizontal perforation and twist-on, two tugboats are connected to above the rear end of beam pipe.

8. quick stretching handle socket joint type according to claim 1 connects part portable bicycle, it is characterized in that：The gold of the back vent The upper edge and lower edge of genotype material are in the semi-circle tubular of evagination respectively, after the both ends of shape to be made to bending backward Described back vent is formed, several connecting holes of the shock-absorbing catch lead to the several connecting holes in leading section of the back vent and described five The several connecting holes in side of pipe are corresponding, and by the twist-on of several bolt and nuts, by the bottom of the shock-absorbing catch with it is described The leading section of back vent is fixedly connected with the side of the Five-way tube.

9. quick stretching handle socket joint type according to claim 1 connects part portable bicycle, it is characterized in that：Described vehicle seat bag Including seat pipe, lock-connecting piece, connecting rod, saddle and fold positioning lock, described seat pipe is made up of rectangle seat pipe, upper plug member and circle saddle pipe, Close-fitting is socketed rectangular metal pipe in the pore of the rectangle seat pipe lower end, and the rectangle seat pipe bottom is with being socketed rectangle therein Metal tube is together respectively provided with a cross-perforating in upper, middle and lower and an elongated hole is together provided with trailing flank, the rectangle seat pipe lower end The lower cross-perforating in portion to lock bolt and the mutual cross-perforating in the Coupling groove profile both sides by being rotatablely connected, the rectangle The middle cross-perforating of seat pipe bottom is by the cast to lock-connecting piece hook-like part described in lock bolt connection, and described lock-connecting piece is by hook Shape part and extension spring are formed, and hook-like part is the metal parts that front end is cast, rear end is hook-type, and the hook-type of hook-like part passes the square The elongated hole of shape seat pipe bottom trailing flank, one end of extension spring are connected to the transverse holes of hook-like part, and one end of extension spring, which is connected to, to be penetrated In the lower cross-perforating of the rectangle seat pipe bottom to lock bolt, the hook-type of hook-like part can be with socket in the presence of extension spring The upper edge interlocking of the trailing flank of the groove profile of the opening of part forward.

10. quick stretching handle socket joint type according to claim 9 connects part portable bicycle, it is characterized in that：Described folding Positioning lock is made up of pedestal, circular hole plug, latching connector, spring and pull handle, and the front portion of pedestal is a vertical rectangle pore, pedestal Rear portion is in groove profile, and the groove profile of pedestal is stuck in the rectangle seat pipe top, and is positioned with to lock bolt twist-on, pedestal rectangular opening lower end A circular hole plug is fixed, there is the circular hole of a upward and downward centre of circular hole plug, and latching connector is made up of tapered end and locking bar, and tapered end is in upward There are transverse holes dead bolt shape, the lower section connection locking bar of tapered end, the lower end of locking bar, and locking bar penetrates the circle with circular hole plug upward and downward in spring Kong Zhong, and cause tapered end be slidably connected in the rectangle pore of pedestal, locking bar transverse holes connection pull handle, pull handle have pull handle bolt and Two plastics pull handles are formed, and after by described vehicle seat collapsed forward, the latching connector for folding positioning lock can be with preceding slotware backward Flanging interlocking.