Summary of the invention
The invention aims to provide a kind of handlebar in a manner of the new type foldable of quick-folding handlebar, rear fork with five
Siphunculus is the folding of shaft forward downward, and vehicle seat and side arm folding linkage fold, can reach after having folded sufficiently small ---
Quick-folding handlebar socket joint type connects part portable bicycle.The object of the present invention is achieved like this;Quick-folding handlebar socket joint type
Even part portable bicycle, including quick-folding handlebar, front fork, side arm, central sill, socket joint type connect part, tow wheel, rear fork, vehicle seat,
Front-wheel, rear-wheel and driving mechanism, it is characterized in that: quick-folding handlebar include left handgrip, right handgrip, upper lock-connecting piece, left lock-connecting piece,
Right lock-connecting piece folds substrate and two hand handle locating pieces, and left handgrip and right handgrip are to be formed by the upper end of round tube as right-angle bending,
The lower end of left handgrip and the lower end of right handgrip are respectively provided with a pair of of perforation, and the upper end of left handgrip connects the left part part of upper lock-connecting piece,
The upper end of right handgrip connects the right members of upper lock-connecting piece, and the lower end of left handgrip connects left lock-connecting piece, the lower end of right handgrip
Right lock-connecting piece is connected, left handgrip lower end is connected to the left side slot for folding substrate to perforation, and right handgrip lower end connects perforation
In the right slot for folding substrate, there is a vertical left side slot on the left side for folding substrate front, and folding on the right of substrate front has one
Vertical the right slot, there is a left round tube hole vertically in the right back for folding substrate left side slot, behind the right side for folding the left round tube hole of substrate
Fang Youyi vertical left rectangular opening folds close-fitting in the left rectangular opening of substrate and fills in left flat pin, the front left side twist-on of left flat pin
Left semicircle hook bolt, folding slot left back on the right of substrate has a vertical right round tube hole, folds the left back of the right round tube hole of substrate
There is a vertical right rectangular opening, folds close-fitting in the right rectangular opening of substrate and fill in right flat pin, the forward right side twist-on of right flat pin is right
Button-headed bolt, folding the right rectangular opening rear of substrate has the vertical hole in a rear end, folds the top and bottom in the vertical hole in substrate rear end
A bearing is respectively inlayed, the left round tube hole of substrate is folded with the right round tube hole of substrate is folded and connects front fork, left lock-connecting piece can be with folding substrate
Left semicircle hook bolt interlocking, right lock-connecting piece can with fold substrate right semi-circle hook bolt interlocking, the left part part energy of upper lock-connecting piece
With the right members interlocking of upper lock-connecting piece, two hand handle locating pieces are connected to lower end and the right wheel fork arm of front fork revolver fork arm
After lower end, left handgrip and right handgrip fold, left handgrip is caught in the C-shaped bayonet of the hand handle locating piece of revolver fork arm, right
Hand handle is caught in the C-shaped bayonet of the hand handle locating piece of right wheel fork arm, folds the two bearings on the right of substrate in the vertical hole in rear end
By being connect to lock bolt with side arm;The front end of side arm is in groove profile, and the two sides up and down of side arm groove profile have mutual to perforation, side arm
The upper and lower of rear end respectively has a cross-perforating, side arm groove profile it is mutual to being punched through to lock bolt and fold rear end on the right of substrate
The inner hole connection of two bearings in vertical hole;The front end of central sill is connect with side arm, and the rear end of central sill is socketed on socket joint type and connects part
In longitudinal hole of cracking, vehicle seat is rotationally connected with the top that socket joint type connects part, and socket joint type connects part and is made of noose part and shock-absorbing part,
Shock-absorbing part is made of shock resistance block and bullet fitting, there is a groove profile for opening forward above Coupling, there is a longitudinal direction in the middle part of Coupling
Hole of cracking, have below the hole of cracking of Coupling longitudinal direction one it is downward crack, there is the shape of an angle iron in the left part position of Coupling
Shape protrudes to the left, and the lower section connection one that Coupling protrudes left end to the left has the circle shape portion in circle hole, the lower section on the right of Coupling
Connection one has the circle shape portion in circle hole, and the circle hole in circle hole and Coupling right end circle shape portion that shape portion is enclosed in Coupling left end is used
In being socketed Five-way tube, there are a slotted hole and two connecting holes, shock-absorbing part and socket on the upward stile of the shape of Coupling angle iron
Part is connected to two connecting holes of upper vertical edge with slotted hole, tows the rear end that wheel is connected to central sill;Afterwards fork by Five-way tube, rear fork and
Shock-absorbing baffle is constituted, and Five-way tube penetrates the circle hole that shape portion is enclosed in the circle hole in Coupling left end circle shape portion and on the right of Coupling
In, and the left end of Five-way tube is located in the circle hole in Coupling left end circle shape portion, and the right end of Five-way tube is located on the right of Coupling
It encloses in the circle hole in shape portion, the front end of rear fork and the lower part of shock-absorbing baffle pass through the cooperation of screw bolt and nut and the middle part of Five-way tube
It is fixedly connected, shock-absorbing baffle mutually leans on shock-absorbing part and generates shock-proof effect, and rear fork can be rolled over using Five-way tube as axle center to inferoanterior
It is folded;The forward groove profile rotation connection of the seat pipe and Coupling upper opening of vehicle seat, the connecting rod of vehicle seat and the seat pipe of vehicle seat and side arm
Rotation connection, front-wheel are installed on front fork, and rear-wheel is installed on rear fork, and by vehicle seat collapsed forward, vehicle seat is inconjunction with side arm, fast stretches
Handle, front fork and front-wheel are folded to the lower section of central sill together;Driving mechanism includes axis, two cranks, chain wheel, two pedals, flywheel
And chain, central axis are connected in Five-way tube, two cranks are installed on the both ends of axis, and chain wheel is fixedly connected on the right of two cranks
Crank on, flywheel is connected to rear-wheel, and chain is wire-wrapped on chain wheel and flywheel.
The beneficial effects of the present invention are: the present invention passes through the ingenious cooperation of profile piece, so that vehicle body does not have electric welding, generation
A kind of table new trend of the manufacturing process of bicycle;Handlebar of the invention uses the form of quick-folding handlebar, so that handlebar
Folding reached both most simple, and reach most effective;Front fork is connected to folding substrate, folds the vertical hole connection in rear end of substrate
Side arm, central sill are located at position to the right, enable folded rear-wheel to be located at lower clamping piece and connect opening in shelves between two front fork stems,
Accomplish the folded present invention ultimate attainmently small and exquisite;Hole amplexis is cracked in the rear end of central sill using the longitudinal direction of socket joint type, is made
Manufacturing process is obtained to be further simplified;Using the feature of the comprehensive elasticity of polyurethane, the long hole for playing fitting and shock-absorbing substrate is locked
It connects, so that play after fitting and shock-absorbing substrate clasp, after the elastic force of polyurethane is enough that fitting will be played and shock-absorbing substrate latching force is more than
Fork and the downward gravity of rear-wheel, to eliminate the complex way of positioning lock interlocking;It is logical that part rotation connection five is connected using socket joint type
Pipe, the mode that Five-way tube is connect with rear fork again enable rear fork of the invention to connect part with socket joint type and fold, and keep away after having
The effect of shake;The rear end for being installed on central sill using wheel is towed, so that the present invention can tow after folding, after vehicle body folds, vehicle seat
Positioning lock and the flanging interlocking of slotware backward before central sill are folded, more effective locating effect can be generated.
Specific embodiment:
According to Fig. 1, the quick-folding handlebar socket joint type connects part portable bicycle, including quick-folding handlebar 1, front fork
Bar 2, side arm 3, central sill 4, socket joint type connect part 51, tow wheel 52, rear fork 53, vehicle seat 6, front-wheel 71, rear-wheel 72 and driving mechanism
8;
The quick-folding handlebar 1 includes left handgrip 11, right handgrip 12, upper lock-connecting piece 13, left lock-connecting piece 14, right interlocking
Part 15 folds substrate 16 and hand handle locating piece 17, and the left handgrip 11 and the right handgrip 12 are all the upper ends by round tube
Portion is formed as right-angle bending, is respectively plugged with a thick-walled metal in the lower end of the left handgrip 11 and the lower end pore of the right handgrip 12
Round tube, the lower end of the left handgrip 11 are inconjunction with the thick-walled metal round tube being located therein and are provided with a pair of of perforation, the left handgrip 11
Lower end to the right-angle bending of the hole heart extended line of perforation and the left handgrip 11 in the 45 ° of angles overlooked, the left handgrip 11
Lower end is to being provided with a threaded hole above perforation, the 11 threaded hole hole heart extended line of left handgrip and 11 lower end pair of left handgrip
The hole heart extended line of perforation is vertical in what is overlooked, and the lower end of the right handgrip 12 is inconjunction with the thick-walled metal round tube being located therein and opens
There is a pair of of perforation, the lower end of the right handgrip 12 is to the hole heart extended line of perforation and the right-angle bending of the right handgrip 12 in vertical view
45 ° of angles, to a threaded hole is provided with above perforation, the 12 threaded hole hole heart of right handgrip extends for 12 lower end of right handgrip
Line is vertical in what is overlooked to the hole heart extended line of perforation with 12 lower end of right handgrip.
The upper lock-connecting piece 13 includes left part part and right members, and the left part part is made of modification of nylon, the left side
There is a vertical hole of cracking in the left end of component, and it is vertical mutual to perforation, the left part by one to crack that hole cracks for the left part part
The right part of part is in the cylinder of stretching, extension to the right, and the right end of the left part part cylinder has convex shoulder to the right, the left part part
There is external screw thread on convex shoulder, the hole of cracking of the left part part is socketed on the lower section of the 11 upper end right-angle bending of left handgrip, is used in combination
It is vertical mutual in perforation to penetrate that the left part part cracks for bolt, is tightened with nut cooperation, by cracking for the left part part
Hole is hugged in the upper end of the left handgrip 11.
The right members are by attachment base and screw set and constitute, and attachment base is made of modification of nylon, and the right end of attachment base has
It is vertical mutual to perforation by one to crack that hole cracks for vertical hole of cracking, attachment base, and attachment base left part is in stretching, extension to the left
Circular bar shape, there is axial threaded hole in the left end of attachment base circular bar shape, and the hole of cracking of attachment base is socketed on the right handgrip 12
It is vertical mutual in perforation to penetrate that attachment base cracks, is tightened with nut cooperation for the lower section of end right-angle bending, blending bolt,
The hole of cracking of attachment base is hugged in the upper end of the right handgrip 12, set is screwed and is made of modification of nylon, screw the left end of set
There is a counterbore, screw with internal screw thread in the counterbore of set, the axial direction for screwing the right part of set has a round tube hole, screws set axial direction
Round tube hole is penetrated through with the band internal thread counterbore for screwing set, is screwed the axial round tube hole of set and is socketed on the stretching, extension of attachment base to the left
Circular bar shape on, and by the cooperation of bolt and gasket, set rotation will be screwed and be connected on attachment base, screw set with interior spiral shell
The counterbore of line can be lockked with the external screw thread twist-on on the left part part convex shoulder.
The left lock-connecting piece 14, including left interlocking seat, left interlocking hook, left positioning bolt and left interlocking spring, it is described
Left interlocking seat is made of Al squeezing material slice, and the left front end of the left interlocking seat is vertical circular hole, the right side of the left interlocking seat
Rear end is vertical groove profile, and the two sides of the left vertical groove profile of interlocking seat have one mutual to perforation, and the left interlocking seat passes through
Vertical circular hole close-fitting is socketed on the lower end of left handgrip 11 and is located at the lower section of 11 threaded hole of left handgrip, the right side
Lock-connecting piece 15, including right interlocking seat, right interlocking hook, right positioning bolt and right interlocking spring, the right interlocking seat is by aluminium extruded type
Material slice is made, and the right front ends of the right interlocking seat are vertical circular hole, and the left back end of the right interlocking seat is vertical groove profile,
The two sides of the right vertical groove profile of interlocking seat have one mutual to perforation, and the right interlocking seat is socketed by vertical circular hole close-fitting
Lower end in right handgrip 12 and the lower section positioned at 12 threaded hole of right handgrip.
The left interlocking hook is made of Al squeezing material slice, and the top of the left interlocking hook is latch hook handle, the left lock
The latch hook handle of hook is connect in vertical bar shaped sheet, the left interlocking hook lock neck of hook middle part is provided with a slotted hole, the left interlocking hook
The left front end of lower section is circle shape portion, and the right rear end below the left interlocking hook is in downward hook-type, the circle shape of the left interlocking hook
By being rotatablely connected to lock bolt and the left vertical groove profile of interlocking seat are mutual to perforation, left positioning bolt penetrates the left side in portion
In the slotted hole of the interlocking hook lock neck of hook and in left interlocking spring, then it is screwed into the threaded hole of 11 lower end of left handgrip, and
And limit of the bolt head of left positioning bolt as bullet outside the left interlocking hook lock neck of hook, the right interlocking hook is by Al squeezing material
Slice is made, and the top of the right interlocking hook is latch hook handle, and the latch hook handle of the left interlocking hook is in vertical bar shaped sheet, described
It is provided with a slotted hole in the middle part of the right interlocking hook lock neck of hook, the right front ends below the right interlocking hook are circle shape portion, the right interlocking hook
The left back end of lower section is in downward hook-type, and the circle shape portion of the right interlocking hook passes through to lock bolt and the right interlocking seat vertical slot
Type is mutual to be rotatablely connected perforation, and right positioning bolt penetrates in the slotted hole of the right interlocking hook lock neck of hook and right interlocking spring
In, then be screwed into the threaded hole of 12 lower end of right handgrip, and the bolt head of right positioning bolt is as the right interlocking
The limit of the outer bullet of the hook lock neck of hook.
The folding substrate 16 is made of Al squeezing material, and the folding substrate 16 further includes having left flat pin, the right side flat
Square cotter, left semicircle hook bolt and right semi-circle hook bolt, there is a vertical left side slot on the left side for folding 16 front of substrate, described
The right end for folding 16 front of substrate has vertical the right slot, and 16 left side slot of folding substrate is in be open to the U-shaped of left front
Slot, the two sides for folding 16 left side slot lower end of substrate are provided with mutual to perforation, and 16 the right slot of foldings substrate is in being open
To the U-type groove of right front, the two sides for folding 16 the right slot lower end of substrate are provided with mutual to perforation, the folding substrate 16
There is a vertical left round tube hole in the right back of left side slot, and there is a vertical left square in the right back for folding the left round tube hole of substrate 16
Shape hole, close-fitting fills in left flat pin, the front left side twist-on left semicircle head spiral shell of left flat pin in the left rectangular opening of the folding substrate 16
Bolt, there is a vertical right round tube hole in the 16 the right slot left back of substrate that folds, described to fold the left back of the right round tube hole of substrate 16
Fang Youyi vertical right rectangular opening, close-fitting fills in a right flat pin, the right side of right flat pin in the right rectangular opening of the folding substrate 16
There are the vertical hole in a rear end, the folding substrate in one right semi-circle hook bolt of front side twist-on, the right rectangular opening rear of the folding substrate 16
The upper and lower side in the vertical hole in 16 rear end respectively has the counterbore for inlaying zanjon bearing, the upper end for folding the vertical hole in 16 rear end of substrate
With respectively inlay a zanjon bearing in the counterbore of lower end, the left round tube hole for folding substrate 16 neutralizes the right side for folding substrate 16
Close-fitting is socketed on two upper ends of the front fork 2 in round tube hole, and the left lock-connecting piece 14 can fold left the half of substrate 16 with described
Ball screw nut interlocking, the right lock-connecting piece 15 can be with the right semi-circle hook bolt interlocking for folding substrate 16, the upper interlockings
13 right members of part screw set can be with the convex shoulder twist-on of the upper 13 left part part of lock-connecting piece.
The hand handle locating piece 17 has modification of nylon to be made, and the rear end of the hand handle locating piece 17 has one vertical to open
Slot apertures, the hand handle locating piece 17 crack that hole cracks it is vertical have it is one mutual to perforation, the front end of the hand handle locating piece 17
There is the C-shaped bayonet for opening forward of a vertical view, hand handle locating piece 17 described in one is socketed on the left front fork arm by hole of cracking
Lower end, with bolt penetrate the hand handle locating piece 17 crack it is vertical mutual fixed in perforation, with top nut twist-on, separately
Hand handle locating piece 17 described in one is socketed on the lower end of the right front fork stem by hole of cracking, and it is fixed to penetrate the hand handle with bolt
Position part 17 crack it is vertical mutual fixed in perforation, with top nut twist-on, when the left handgrip 11 and the right handgrip
After 12 fold, the left handgrip 11 is caught in the C-shaped bayonet of the hand handle locating piece of revolver fork arm, the right handgrip 12
It is caught in the C-shaped bayonet of the hand handle locating piece of right wheel fork arm.
The front fork 2 is made of left front fork arm and right front fork stem, and the left front fork arm and the right front fork stem are all
It is made of metal circular tube, the lower end of the lower end of the left front fork arm and the right front fork stem is all in flattening shape, the left front fork arm
Lower end flattening at and the lower end flattening of the right front fork stem at be all provided with the gap of ∩ shape, the upper end of the left front fork arm and institute
It states the left round tube hole close-fitting socket for folding substrate 16 and is reinforced with pin, the upper end of the right front fork stem and the folding substrate
16 right round tube hole close-fitting is socketed and is reinforced with pin.
The side arm 3 is the slice processing part of aluminium extruded type, is also possible to aluminium and forges part or aluminium diecasting, the side arm
Respectively there is a lateral perforation in front end in the upper and lower of groove profile, rear end, and the two sides up and down of the side arm groove profile are provided with mutual to wearing
The two sides up and down in hole, the side arm groove profile are rounded, and two sides are mutual above and below the 3 front end groove profile of side arm corresponds to perforation
The inner hole for folding two zanjon bearings in the vertical hole in 16 rear end of substrate, by lock bolt by the front end of the side arm 3
It is rotatablely connected with the vertical hole in the rear end for folding substrate 16.
The central sill 4 includes beam pipe, preceding interior chock, rear internal plug, preceding slotware and rear fastener, and the beam pipe is by metal square
Shape pipe is made, and interior chock before close-fitting is filled in the pore of beam pipe front end, the preceding interior chock is by respectively there is a circle up and down
The cutting off processing part of the rectangular aluminium profile in hole, it is tapped in two circular holes up and down of interior chock before described, by the Liang Guanqian
The interior chock that the side at end is inconjunction in 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 beam pipe front end, the preceding slotware is that the groove profile part facing forward that is open, the preceding slot are struck out by sheet metal
Lower end at left and right sides of part has mutual to perforation, and bottom surface respectively has a hole, bottom after the preceding slotware up and down after the preceding slotware
There is flanging backward in the upper end in face, and the upper lower opening of bottom surface by two bolts and is located in the pore of beam pipe front end after the preceding slotware
Preceding interior chock twist-on is fixed, mutual to being punched through under lock bolt and 3 rear end of side arm at left and right sides of the preceding slotware
The cross-perforating rotation connection of side, the rear end of the beam pipe are socketed on the socket joint type and connect in longitudinal hole of cracking of part 51,
Fastener is made of nylon afterwards, has the notch of a c type below rear fastener, there is the connecting hole of two upward and downwards in rear fastener c type groove mouth,
Fastener is bolted by two in the middle part of the beam pipe afterwards.
It includes Coupling and shock-absorbing part that the socket joint type, which connects part 51, and the Coupling is aluminium diecasting, the socket
There is a groove profile for opening forward above part, there are a mutual cross-perforating, institute in the two sides of Coupling opening groove profile forward
Stating has a longitudinal hole of cracking in the middle part of Coupling, and longitudinal hole of cracking 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 the beam pipe, have below the hole of cracking of the Coupling longitudinal direction one to
Under crack, there is lateral perforation in the right side that the Coupling cracks downwards, and the left side that the Coupling cracks downwards has
Lateral threaded hole, the crack downwards lateral perforation in right side and the Coupling of the Coupling crack downwards the cross of left side
It is corresponding to threaded hole, the Coupling cracks downwards the lateral perforation in right side and the Coupling cracks downwards left side
The longitudinal direction of the Coupling rectangle is cracked hole and the rear end of the beam pipe is fixed by the twist-on of bolt by lateral threaded holes,
The left part position of the Coupling has the shape of an angle iron to protrude to the left, and the Coupling protrudes the lower section connection one of left end to the left
Circle shape portion with circle hole, the lower section connection one on the right of the Coupling have the circle shape portion in circle hole, and the Coupling is left
Hold circle hole lateral corresponding, the Coupling left end of the circle hole in lower square circle shape portion with square circle shape portion lower on the right of the Coupling
The circle hole in the circle hole and Coupling right end circle shape portion of enclosing shape portion is used to be socketed the 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 connect by two pairs of lock bolts with shock resistance block.
The shock-absorbing part is made of shock resistance block and bullet fitting, and the shock resistance block is the rectangular block shape made of polyurethane
Shock resistance block, have a through-hole and two connecting holes on the shock resistance block, the connecting hole of the shock resistance block is that counterbore is connected to perforation
Hole, two connecting holes of the shock resistance block respectively pass through a pair of of lock bolt and connect with two connecting holes of the Coupling, the bullet
Fitting is a rod metalwork, and one for playing fitting is round bar by two bendings in circle shape, the other end for playing fitting
And the obtuse angle to raise upward is formed, the bullet fitting penetrates in the slotted hole of the Coupling, and the circle shape for playing fitting
Between two connection sheets in front of the shape of the Coupling angle iron, the two connection sheet phase of Coupling is penetrated with a bolt
Mutual cross-perforating is neutralized in the circle shape for playing fitting, and is positioned with a nut and bolt twist-on, the rod for playing fitting
Penetrate in the through-hole of the shock resistance block, and two bending of the bullet fitting and form the obtuse angle to raise upward and be exposed to the shock-absorbing
The rear of block, it is described play obtuse angle that two bending of fitting and being formed raises upward can with it is described after the long hole of 53 shock-absorbing baffle of fork lock
It connects.
The described wheel 52 that tows is constituted by Qian type part, to lock bolt, three bushing pipes and two tugboats, Qian type part by flat bar gold
The both ends for belonging to piece are formed as right-angle bending upwards, and two upper ends of Qian type part are provided with mutual horizontal perforation, the lower part 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 is fixed, lock bolt will be penetrated
In two tugboats, in three bushing pipes and horizontal perforation that two upper ends of Qian type part are mutual and twist-on, two tugboats are connected to the beam pipe
Above rear end, rear internal plug fills in the rear end of the beam pipe, and tugboat is the PU wheel of plastic wheel hub, and the centre of PU wheel two sides is respectively inlayed
One deep groove ball bearing, PU wheel two deep groove ball bearings between be also lined with a lining ring, two tugboats open shelves less than crank described in two
Open shelves, and the inside for opening shelves of crank described in being located at two.
The rear fork 53 is made of Five-way tube, rear fork and shock-absorbing baffle, and the Five-way tube is processed by metal tube
It forms, there are several connecting holes in the side of the Five-way tube, and the Five-way tube is penetrated in the circle in Coupling left end circle shape portion
Collar aperture neutralizes on the right of the Coupling in the circle hole in circle shape portion, and the left end of the Five-way tube is located at the Coupling left end
It encloses in the circle hole in shape portion, the right end of the Five-way tube is located on the right of the Coupling in the circle hole in circle shape portion, after described
Fork is made of mental section, and the upper edge and lower edge of the mental section of the rear fork are in the semi-circle tubular of evagination respectively, will be golden
The both ends of genotype material form the rear fork after making bending backward, and the front end of the rear fork is provided with several connecting holes,
Respectively there is the U-shaped gap of an opening backward in the rear end that the rear fork two is bent backwards.
The shock-absorbing baffle is stamped to form by a sheet metal, and there are a long hole, institute in the centre on shock-absorbing baffle top
Several connecting holes, several connecting holes of the shock-absorbing baffle and the several companies in front end of the rear fork are arranged at the lower part for stating shock-absorbing baffle
The several connecting holes in side for connecing hole and the Five-way tube are corresponding, and by the twist-on of several bolt and nuts, the shock-absorbing is kept off
The lower part of piece is fixedly connected with the side of the front end of the rear fork and the Five-way tube.
The rear fork 53 with after Coupling rotation connection, can enclose by axis and the Coupling left end of Five-way tube
The circle hole rotatable engagement in the circle hole in shape portion and Coupling right end circle shape portion, enables the rear fork 53 to inferoanterior
It folds, after the rear fork 53 is folded to inferoanterior, the semi-circle tubular in evagination of the right dropout front lower edge,
It can be positioned with the rear fork 53 in the c type groove mouth of fastener after the central sill 4, is enable with the central sill 4, the rear fork
After part 53 is unfolded, it is connect with the rear fork front end and the Five-way tube side connects the shock-absorbing baffle of part to keep away with described
Shake part leans, and the long hole of the shock-absorbing baffle and two bending of the bullet fitting and to form the obtuse angle to raise upward corresponding, simultaneously
It can interlocking.
The vehicle seat 6 includes seat pipe 61, lock-connecting piece 62, connecting rod 63, saddle 64 and folds positioning lock 65, the seat pipe
61 by rectangle seat pipe, upper plug member and circle saddle pipe constitute, the rectangle seat pipe be by a rectangular tube upper end to the left lateral bend and
At close-fitting fills in the upper plug member in the pore of rectangle seat pipe upper end, and the upper plug member is that respectively have a circle by front and back
The cutting off processing part of the rectangular aluminium profile in hole, it is tapped in two circular hole of front and back of the upper plug member, in the rectangle seat pipe
End is inconjunction with the upper plug member and squeezes into pin reinforcing together, close-fitting socket rectangle gold in the pore of rectangle seat pipe lower end
Belong to pipe, rectangle seat pipe lower end is respectively provided with a cross-perforating, simultaneously in upper, middle and lower together with socket rectangular metal pipe therein
It is provided with a long hole in trailing flank together, the circle saddle pipe is process by metal circular tube, the front and back of the round saddle pipe rear end
Respectively it is provided with one radial to perforation, two pairs of the round saddle pipe rear end are punched through two threaded holes of two bolts Yu the upper plug member
It is fixedly connected, the lower cross-perforating of rectangle seat pipe lower end passes through mutual to lock bolt and Coupling groove profile two sides
Cross-perforating rotation connection, the middle cross-perforating of rectangle seat pipe lower end is by being bolted 62 hook of lock-connecting piece to lock
The circle shape of shape part, the lock-connecting piece 62 are made of hook and tension spring, and hook is that front end is circle shape, the gold that rear end is hook-type
Belong to component, the hook-type of hook is in downward lock tongue shape, and the hook-type of hook is pierced by rectangle seat pipe lower end trailing flank
Long hole has a transverse holes in front of hook hook-type, and the transverse holes in the front of hook hook-type are located at rectangle seat pipe lower end
In the pore in portion, one end of tension spring is connected to the transverse holes of hook, and one end of tension spring, which is connected to, to be penetrated under the rectangle seat pipe
In the lower cross-perforating of end to lock bolt, the hook-type of hook under the action of tension spring can with it is described after slotware trailing flank
Upper edge interlocking, the rear end of the connecting rod 63 are penetrated from left to right in the upper cross-perforating of the seat pipe lower end, and blending bolt is twisted
It is connected in the threaded hole of 63 rear end of connecting rod and positions, the connecting rod 63 is pressed into directly by the rear and front end of a metal round steel
The component of angle bending is respectively provided with a threaded hole, the front end of the connecting rod 63 at the two-end-point of the 63 front and back right-angle bending of connecting rod
It is penetrated in the cross-perforating above 3 rear end of side arm from left to right, blending bolt is fastened to the threaded hole of 63 front end of connecting rod
Middle positioning, the saddle 64 are connected on the circle saddle pipe, and the folding positioning lock 65 is by pedestal, circular hole plug, interlocking
Head, spring and pull handle are constituted, and pedestal is the cutting off processing part of aluminum profile, and the front of pedestal is a vertical rectangle pore, pedestal
Rear portion be in groove profile, the groove profile of pedestal is stuck in rectangle seat pipe top, and with to lock bolt twist-on positioning, under pedestal rectangular opening
A circular hole plug is fixed at end, and there is the circular hole of a upward and downward in the centre of circular hole plug, and latching connector is made of tapered end and locking bar, and tapered end is in upward
Lock tongue shape, the lower section of tapered end connects locking bar, and there are a transverse holes in the 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 connect pull handle, and pull handle has pull handle bolt
With two plastics pull handles constitute, after by 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 folds the pull handle of positioning lock 65 described in post-tensioning, and the latching connector for folding positioning lock 65 can be with institute
The flanging of slotware backward unclamps before stating, and vehicle seat 6 described in energy and the central sill 4 and the side arm 3 are unfolded.
The front-wheel 71 is 8 inches of wheel, both ends being coupled in two institutes by nut of 71 wheel shaft of front-wheel
It states in the gap of ∩ shape of front fork stem, the rear-wheel 72 is 10 inches of wheels, and the both ends of 72 wheel shaft of rear-wheel pass through spiral shell respectively
Female cooperation is fixedly connected in the U-shaped gap of 53 liang of dropout of the rear fork.
The driving mechanism 8 includes axis, two cranks, chain wheel, two pedals, flywheel and chain, and the axis passes through
Axis accessory is connected in the Five-way tube, and crank described in two is installed on the both ends of the axis, and the chain wheel is fixed
Be connected on the right crank of two cranks, pedal described in two be connected to two described on crank, the flywheel
It is connected to the right side of the rear-wheel 72, the chain is wire-wrapped on the chain wheel and the flywheel.