CN104691686B - The portable three-wheeled electric vehicle of six link rod quick-folding formulas - Google Patents
The portable three-wheeled electric vehicle of six link rod quick-folding formulas Download PDFInfo
- Publication number
- CN104691686B CN104691686B CN201510095045.6A CN201510095045A CN104691686B CN 104691686 B CN104691686 B CN 104691686B CN 201510095045 A CN201510095045 A CN 201510095045A CN 104691686 B CN104691686 B CN 104691686B
- Authority
- CN
- China
- Prior art keywords
- pipe
- mutual
- perforation
- flute profile
- lock
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000000465 moulding Methods 0.000 claims description 27
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 27
- 208000009782 Plagiocephaly Diseases 0.000 claims description 18
- 239000011148 porous material Substances 0.000 claims description 13
- 238000005452 bending Methods 0.000 claims description 10
- 238000003466 welding Methods 0.000 claims description 6
- 239000004411 aluminium Substances 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 2
- 238000005520 cutting process Methods 0.000 claims description 2
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 229910052744 lithium Inorganic materials 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 238000006386 neutralization reaction Methods 0.000 claims description 2
- 230000002787 reinforcement Effects 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 claims description 2
- 229910052738 indium Inorganic materials 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
Landscapes
- Motorcycle And Bicycle Frame (AREA)
Abstract
A kind of six link rod folding-type portable three-wheeled electric vehicles，Fold bicycle beam including six link rods、Front pipe fitting、Seat pipe、Saddle、Locator card、Front fork、Linkage rack afterwards、V-shaped folding hand handle、Front-wheel、Trailing wheel and electric drive system，Six link rods fold bicycle beam by front foldable base、Foldable base afterwards、Front-axle beam pipe、Back rest pipe、Rotating vane、Flute profile folded piece、Connecting seat、Bicycle beam latch hook、Front rod and back link are formed by connecting，Six link rods fold bicycle beam and are welded in front head tube and seat pipe，Linkage rack after connecting in seat pipe，Linkage rack connects two trailing wheels afterwards，Linkage rack is by left even part afterwards、Right even part、Cast saddle、Revolver bar、Right wheel bar、Left strut、Right strut、Locking pin member is formed by connecting，Front fork is connected with front head tube，The connection front-wheel of front fork and drive mechanism，Saddle is installed on seat pipe，V-shaped folding hand handle is connected with front fork，Electric drive system includes motor、Battery、Controller and controlling switch，Motor is located at front-wheel，Battery and controller are placed in front pipe fitting.
Description
Technical field
The present invention relates to a kind of three-wheeled collapsible electric motor car, particularly to a kind of six link rod quick-folding formulas portable three-wheel electricity
Motor-car.
Background technology
The folding three-wheeled electric motor car that the design people formerly set although can fold, but due to reasons such as structure and constructions,
Also it is the failure to after folding reach promising result as little as possible.
Content of the invention
The invention aims to providing the six link rod quick-folding formulas portable three-wheel electricity that a kind of bicycle beam is that six link rods fold
Motor-car.The object of the present invention is achieved like this；The portable three-wheeled electric vehicle of six link rod quick-folding formulas, including six link rod folded bicycles
Beam, front pipe fitting, step, seat pipe, saddle, locator card, front fork, rear linkage rack, V-shaped folding hand handle, front-wheel, trailing wheel and electronic drive
Dynamic system, is characterized in that：Six link rods fold bicycle beam and include front foldable base, rear foldable base, front-axle beam pipe, back rest pipe, rotating vane, flute profile folding
Overlapping piece, connecting seat, bicycle beam latch hook, front rod and back link, front foldable base is opening flute profile stamping backwards, front folding seat slot
The upper and lower of shape both sides respectively have one mutual to perforation, front foldable base is welded in the rear side in the middle part of front pipe fitting, and front pipe fitting is
The blank of the aluminium section bar of one rectangular tube and pipe parallel integral connection, the bottom of the rectangular tube of front pipe fitting is provided with backing,
The top of the rectangular tube of front pipe fitting is provided with cover plate, and rear foldable base is opening flute profile stamping forward, rear foldable base flute profile two
The upper and lower of side respectively have one mutual to perforation, rear foldable base is welded in the front side of seat pipe bottom, the front end weldering of front-axle beam pipe
Switch through leaf, the rear end welding flute profile folded piece of front-axle beam pipe, flute profile folded piece is the flute profile stamping that Open Side Down, flute profile folded piece two
The front and rear of side respectively have one mutual to perforation, the rotating vane being welded in front-axle beam pipe passes through to lock bolt and front foldable base top
Mutual perforation is rotated connects, and rotating vane is welded in back rest pipe rear end, and the lower section of back rest pipe front end is welded to connect seat, back rest pipe front end
Pore in be also equipped with bicycle beam latch hook and torsion spring, the rotating vane being welded in back rest pipe passes through to lock bolt and rear foldable base top phase
Mutual perforation is rotated connects, mutual mutual with the front portion of connecting seat to lock bolt to being punched through in flute profile folded piece rear portion
Perforation is rotated and connects, mutual being connected to being punched through lock bolt is rotated with the front ring of front rod in front foldable base bottom, front
Connecting rod is each connection in two ends one circle of the metallic rod of a flat strip shaped, and the rear circle of front rod passes through to lock bolt and connecting seat rear portion phase
Mutual perforation is rotated connects, mutual perforation being connected with the rear end thereof of back link, before back link in rear foldable base bottom
End be rotationally connected with flute profile folded piece anterior mutual to perforation, the bicycle beam latch hook in the pore of back rest pipe front end is in the work of torsion spring
With under, the top margin of flute profile folded piece rear end can be pinned, locator card is connected to the top of front-axle beam pipe, locator card is a band C-shaped bayonet socket
Working of plastics, locator card can six link rods fold bicycle beam fold after clasp before pipe fitting pipe, the both sides of front pipe fitting pipe lower end
Also respectively connect a step, step is made up of step seat and pedal stroke, two step seats are welded in the left and right sides of front pipe fitting lower end, two
Pedal stroke is rotationally connected with two step seats to lock bolt by two；Linkage rack after connecting in seat pipe, rear linkage rack includes left company
Part, right even part, cast saddle, revolver bar, right wheel bar, left strut, right strut, locking pin member and wheel bar card, left even part and right even part
It is welded in the rear side of seat pipe bottom, cast saddle is slidably connected to middle part and the top of seat pipe, and locking pin member is installed on circle about point
The rear of shape saddle, and rear side in the middle part of seat pipe for the interlocking, the upper end of revolver bar and right wheel bar is rotationally connected with cast respectively and slides
On part, the top of revolver bar and right wheel bar rotates the rear end connecting left strut and right strut, before left strut and right strut respectively
End is connected to left even part and right even part, and the lower end of revolver bar and right wheel bar is each to install a trailing wheel, and the rear side of seat pipe lower end is also
Fifth wheel bar card, when revolver bar and right wheel bar mutually draw in, wheel bar card is engaged with right wheel bar；Front fork is turned with the pipe of front pipe fitting
It is dynamically connected, front fork lower end connects front-wheel, saddle is installed on the top of seat pipe；V-shaped folding hand handle is quick interlocking Formula V font folding
Folded handle, including handle base, left hand handle, right handgrip, left lock-connecting piece, right lock-connecting piece, handle base is by pedestal moulding and interior
Poling is constituted, and interior poling is molded in pedestal moulding, and the right and left of pedestal moulding has groove, the left and right two of pedestal moulding
Side top is U-lag, bottom is flat-bottom slot, the both sides of pedestal moulding the right and left flat-bottom slot respectively have one mutual to perforation,
Handle base coordinates bowl-type pad, hanging bolt and slope nut by interior poling, is fixedly connected in the front fork tube of front fork, left
Handle the part connecting cast with the bottom that right handgrip is pipe, the plagiocephaly barrel of the left lock-connecting piece of lower weld of left hand handle, a left side
Lock-connecting piece is made up of a plagiocephaly barrel, a snap bolt and a nut, twist-on snap bolt in plagiocephaly barrel, snap bolt and tiltedly
Also twist-on one nut at the twist-on of head barrel, the channel of the right lock-connecting piece of lower weld of right handgrip, right lock-connecting piece by channel,
Latch hook, connecting bolt, spring and bolt are constituted, the both sides up and down of the flute profile left part of channel have mutual to perforation, groove
Have a screwed hole in the middle part of the flute profile of shape part, the upper and lower both sides of channel mutual to being punched through to the circle in the middle part of connecting bolt and latch hook
Hole rotates and connects, and latch hook is that left end becomes hook-type, middle part to have collar aperture, the right part part with handle, the handle of latch hook has an elongated hole, by bullet
Spring is positioned between the screwed hole of channel and the elongated hole of latch hook, is penetrated with bolt in the elongated hole of latch hook and in spring, then
It is screwed in the screwed hole of channel, the cast of left hand handle and the cast of right handgrip, by two to lock bolt, rotate respectively and connect
In pedestal moulding the right and left mutual to perforation, the latch hook of right lock-connecting piece under the action of the spring, hooks left lock-connecting piece
Snap bolt and realize interlocking；Electric drive system includes motor, battery, controller and controlling switch, and motor is arranged at front-wheel,
Battery and controller are all placed in the rectangular tube of front pipe fitting.
The invention has the beneficial effects as follows：It is that six link rods fold bicycle beam that the present invention adopts bicycle beam, and six link rods can be made to fold bicycle beam
Together with front head tube and seat pipe fast folding and rapid deployment, the present invention adopts the folding mode of rear linkage rack so that rear linkage rack
Can launch as umbrella or draw in so that rear linkage rack can be launched soon but also effectively or fold not only, then coordinate rapid lock
Connect Formula V font folding hand handle, make the folding of the present invention and launch to have more advantage the folding it is achieved that not only fast but also little；Due to adopting
The folding mode of rear linkage rack, two trailing wheels after making the present invention launch become splayed, and this also allows two trailing wheels that the present invention lands
Actual pitch is bigger, can more effectively anti-rollover；Motor is arranged at the square that front-wheel, battery and controller are all placed on front pipe fitting
In shape pipe, allow motor wheel from power supply closer to circuit line is more saved.
Brief description
Fig. 1 is present configuration schematic diagram；
Fig. 2 is the structure chart that the present invention six link rod folds bicycle beam；
Fig. 3 is the organigram of back link of the present invention；
Fig. 4 is the structure chart of linkage rack after the present invention；
Fig. 5 is the organigram of locking pin member of the present invention；
Fig. 6 is the organigram of handle base of the present invention；
Fig. 7 is the structure chart of the left lock-connecting piece of the present invention and right lock-connecting piece；
Fig. 8 is folding process schematic diagram of the present invention；
Fig. 9 folds for the present invention and finishes figure；
In figure：1 six link rods fold bicycle beam, pipe fitting before 21,22 steps, 31 seat pipe, 32 saddles
Seat, 33 locator cards, 4 front forks, linkage rack after 5,6 V-shaped folding hand handles, 7 front-wheels, after 8
Wheel, 9 electric drive systems；Wherein six link rods fold bicycle beam 1 and also include：Foldable base before 111, folds after 112
Seat, 121 front-axle beam pipes, 122 back rest pipes, 13 rotating vanes, 14 flute profile folded pieces, 15 connecting seats,
16 bicycle beam latch hooks, 17 front rods, 18 back links；Linkage rack 5 also includes afterwards：511 left even parts,
512 right even parts, 52 cast saddles, 53 revolver bars, 54 right wheel bars, 55 left struts, 56 is right
Strut, 57 locking pin members, 58 wheel bar cards；V-shaped folding hand also includes 6：61 handle base, 62 left hands
, 63 right handgrips, 64 left lock-connecting pieces, 65 right lock-connecting pieces；Left lock-connecting piece 64 also includes：641 plagiocephaly spiral shells
Cylinder, 642 snap bolts, 643 nuts；Right lock-connecting piece 65 also includes：651 channels, 652 latch hooks,
653 pairs of connecting bolts, 654 springs, 655 bolts；Electric drive system 9 also includes：91 motors,
92 batteries, 93 controllers, 94 controlling switches；Controlling switch 94 also includes：941 speed control cranks,
942 power-off brake levers, 943 power supply locks.
Specific embodiment
According to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Fig. 7, the described portable three-wheeled electric of six link rod quick-folding formulas
Car, folds bicycle beam 1, front pipe fitting 21, step 22, seat pipe 31, saddle 32, locator card 33, front fork 4, rear linkage rack including six link rods
5th, V-shaped folding hand is 6, front-wheel 7, trailing wheel 8 and electric drive system 9；
Described six link rods fold bicycle beam 1 include front foldable base 111, rear foldable base 112, front-axle beam pipe 121, back rest pipe 122,
Rotating vane 13, flute profile folded piece 14, connecting seat 15, bicycle beam latch hook 16, front rod 17 and back link 18, described front foldable base 111
Opening flute profile stamping backwards, the upper and lower of described front foldable base 111 flute profile both sides respectively have one mutual to perforation,
Described front foldable base 111 is welded in the rear side in the middle part of front pipe fitting 21 pipe, and described front pipe fitting 21 is a rectangular tube and a circle
The blank of the aluminium section bar that pipe parallel integral connects, the bottom of the rectangular tube of described front pipe fitting 21 is provided with backing, described front pipe
The top of the rectangular tube of part 21 is provided with cover plate, and described rear foldable base 112 is opening flute profile stamping forward, described rear folding
The upper and lower of folded seat 112 flute profile both sides respectively have one mutual to perforation, described rear foldable base 112 is welded under seat pipe 31
The front side in portion.
Described front-axle beam pipe 121 is a rectangular tube, the front end of described front-axle beam pipe 121 welding rotating vane 13, described rotating vane 13
It is the sheet component with cast for the upper end, the rear end welding flute profile folded piece 14 of described front-axle beam pipe 121, described front-axle beam pipe 121 rear portion
Top also have a screwed hole, described locator card 33 be one carry C-shaped bayonet socket working of plastics, the centre of described locator card 33 has
Twist-on hole, the twist-on hole of described locator card 33 corresponds to the screwed hole at described front-axle beam pipe 121 rear portion, and will be described by bolt
Locator card 33 is connected to the top at the rear portion of described front-axle beam pipe 12, the described positioning after being connected with described front-axle beam pipe 121 screwed hole
The C-shaped bayonet socket of card 33, folds the round top of the described front pipe fitting 21 after bicycle beam 1 folds corresponding to described six link rods, and described
The C-shaped bayonet socket of locator card 33 can be engaged with described front pipe fitting 21 pipe.
The both sides of described front pipe fitting 21 pipe lower end also respectively connect a step 22, described step 22 include step seat,
Pedal stroke and foot lever set, step seat is the flute profile stamping of opening upwards, before and after step seat both sides have mutual to perforation, two
Step seat is welded in the both sides of described front pipe fitting 21 pipe lower end, and pedal stroke is that one section of thick-walled tube is welded in one end of a pipe,
It is socketed foot lever set, foot lever set is the grip of Handlebar of bicycle, the thick-walled tube on two pedal strokes passes through two on the pipe of pedal stroke
To lock bolt, rotate with the step seat being welded in described front pipe fitting 21 pipe lower end both sides and be connected.
Described flute profile folded piece 14 is the flute profile stamping that Open Side Down, the front portion of described flute profile folded piece 14 both sides and after
Portion respectively have one mutual the cast of the described rotating vane 13 of described front-axle beam pipe 121 is welded in perforation, by lock bolt with described
Mutual perforation is rotated in front foldable base 111 top connects, and described back rest pipe 122 is a rectangular tube, described back rest pipe 122
Rotating vane after the welding of rear end, the lower section of described back rest pipe 122 front end is welded to connect seat 15, and described connecting seat 15 is a flute profile punching
Part, the both sides of described connecting seat 15 flute profile front and rear respectively have one mutual to perforation, the pore of described back rest pipe 122 front end
In go back close-fitting be socketed one section of rectangular tube as reinforcement, the left and right sides of described back rest pipe 122 front end, be inconjunction with socket therein one
Cut rectangular tube have together one mutual to perforation, the top of described back rest pipe 122 front end, be inconjunction with socket one section of square therein
Shape pipe has an elongated hole together, described bicycle beam latch hook 16 be bottom be cast, top be hook-type Al squeezing material sliced pieces,
The middle part of described bicycle beam latch hook 16 becomes rod, and one of the cast of described bicycle beam latch hook 16 is penetrated from the top down in the described back rest
In pipe 122 elongated hole, and by the cast of described bicycle beam latch hook 16 correspond to described back rest pipe 122 mutual to perforation, place into torsion
Spring, makes one of the torsion spring lower tube wall pushed down in one section of rectangular tube pore, makes the other end of torsion spring push down described bicycle beam latch hook
On 16 rods, then with lock bolt is penetrated described back rest pipe 122 mutual in perforation, in torsion spring collar aperture and described bicycle beam latch hook
In the collar aperture of 16 casts, and to stubborn positioning, weld the cast of described rotating vane 13 with described back rest pipe 122 rear end, by lock spiral shell
Bolt perforation is rotated mutual with described rear foldable base 112 top is connected.
Described flute profile folded piece 14 rear portion mutual to be punched through anterior with described connecting seat 15 to lock bolt mutually
Perforation rotated connect, described front foldable base 111 bottom mutual to the front ring being punched through to lock bolt and front rod 17
Rotate and connect, described front rod 17 is each connection in two ends one circle of the metallic rod of a flat strip shaped, the rear circle of described front rod 17
It is connected by rotate to perforation mutual with described connecting seat 15 rear portion to lock bolt, described rear foldable base 112 bottom is mutual
To perforation be connected with the rear end thereof of back link 18, the front end of described back link 18 is rotationally connected with described flute profile folded piece 14
Anterior mutual to perforation, described back link 18 includes left connecting rod, right connecting rod and barrel, and left connecting rod and right connecting rod are two metals
The two ends of round bar become right-angle bending in the same direction, then left connecting rod and the cooperation of right connecting rod paired shape, described left connecting rod and described right company
The bending part of rod rear end has screw thread, and the bending part of described left connecting rod and described right connecting rod front end has pin-and-hole, and barrel is a pipe
Tapped in the pore of shape part, by barrel be positioned over described rear foldable base 112 bottom mutual to perforation between, use a described left side
The screw thread of connecting rod and described right connecting rod rear end bending part respectively penetrates mutual perforation neutralization is twisted in described rear foldable base 112 top
Enter in the screwed hole of barrel, that is, complete the rotation to perforation mutual with described rear foldable base 112 bottom of described back link 18
Connect, the bending part of described left connecting rod and described right connecting rod front end is buckled into described flute profile folded piece 14 respectively anterior mutual right
In perforation, and cover Upper gasket, pin positioning on pin, that is, complete described back link 18 anterior mutually with described flute profile folded piece 14
To perforation rotation connect, the described bicycle beam latch hook 16 in the pore of described back rest pipe 122 front end, in the effect of torsion spring
The lower top margin that can pin described flute profile folded piece 14 rear end.
Described seat pipe 31 is to be made up of pipe and pipe clamp, the top socket pipe clamp of described seat pipe 31 pipe, described seat pipe
Rear side in the middle part of 31 pipes has a circular hole, and the rear side of described seat pipe 31 pipe lower end has a screwed hole, under described seat pipe 31 pipe
The rear side in portion is respectively welded the left even part 511 of rear linkage rack 5 and right even part 512 about dividing.
Described rear linkage rack 5 include left even part 511, right even part 512, cast saddle 52, revolver bar 53, right wheel bar 54,
Left strut 55, right strut 56, locking pin member 57 and wheel bar card 58, described left even part 511 and described right even part 512, are openings
Flute profile stamping backward, the both sides of described left even part 511 and described right even part 512 flute profile have mutual to perforation, described seat pipe
The middle and upper part of 31 pipes is slidably connected cast saddle 52, and described cast saddle 52 is the cutting off processing part of an aluminium extruded type, described
The left back of cast saddle 52 and right back, respectively carry outwardly directed flute profile, outwardly directed two grooves of described cast saddle 52
Carry an even side between shape, the both sides of described cast saddle 52 left back and right back flute profile respectively have mutual to perforation, described
Cast saddle 52 connects the centre on side, in the middle of the angle and 52 liang of flute profiles of described cast saddle between, has a mutual circle perforation, lock
Pin member 57 be installed on described cast saddle 52 even in the circle perforation on side and 52 liang of flute profiles of described cast saddle between the circle of angle wear
Kong Zhong, described locking pin member 57, there are a lock pin, a spring and a pin to constitute, lock pin is the metal rod rear end with a cylinder
Injection connects a handle, and there is a pin-and-hole front portion of lock pin, and lock pin is penetrated described cast saddle 52 even in the circle perforation on side, again
Penetrate in spring, penetrate in the round perforation of angle between described 52 liang of flute profiles of cast saddle again, then pin is hammered into before lock pin
In the pin-and-hole in portion, the front end of spring is made to withstand pin, the company side of described cast saddle 52 is withstood in rear end, described locking pin member 57 energy
With the circular hole interlocking in the middle part of described seat pipe 31 pipe.
The pipeloop of revolver bar 53 and right wheel bar 54 upper end passes through two respectively to lock bolt, left back with described cast saddle 52
Side and mutual perforation rotation is connected of right back flute profile, described revolver bar 53 and described right wheel bar 54, are pipes
Welded top one pipeloop, the front side on top weld part, described revolver bar 53 and described right wheel bar 54 bottom of a flute profile stamping
Laterally also each weld a short axle, the both sides of described revolver bar 53 and described right wheel bar 54 flute profile stamping have one mutual to wearing
Hole, described left strut 55 and described right strut 56, are each parts with a cast in front-end and back-end, described left strut 55
With the front end cast of described right strut 56, pass through respectively to lock bolt and described left even part 511 and described right even part 512 flute profile phase
Mutual perforation is rotated connects, and the rear end cast of described left strut 55 and described right strut 56 passes through to lock bolt, with institute respectively
State mutual perforation rotation is connected of flute profile stamping, described revolver bar 53 and the described right wheel of revolver bar 53 and described right wheel bar 54
The short axle of bar 54 lower end each socket one trailing wheel 8 respectively, described trailing wheel 8 is 10 inches of inflated wheel, and wheel bar card 58 passes through bolt
It is fastened to the screwed hole on rear side of described seat pipe 31 pipe lower end, described wheel bar card 58 is a working of plastics carrying C-shaped bayonet socket, institute
There is twist-on hole the centre stating wheel bar card 58, when described revolver bar 53 and described right wheel bar 54 mutually draw in, described wheel bar card
58 can with block described right wheel bar 54.
Described saddle 32 is connected with saddle pipe, and the saddle pipe of described saddle 32 is connected in the pipe pore of described seat pipe 31.
Described front fork 4 is passed through seven bowls and is connected with the rotation of described front head tube 21, and described front fork 4 is by front fork tube and wheel
Fork is constituted, and the wheel fork lower end of described front fork 4 connects front-wheel 7, and described front-wheel 7 is 10 inches of wheel hub motor wheel.
Described V-shaped folding hand 6, including handle base 61, left hand 62, right handgrip 63, left lock-connecting piece 64, right lock
Fitting 65, described handle base 61 is made up of pedestal moulding and interior poling, and described interior poling includes pipe and two bolts,
The outer tube diameter rolling on described interior poling pipe top has gear hobbing, and the lower end of described interior poling pipe carries angle, described interior poling circle
The both sides on pipe top are each to weld a bolt, and the bolt that the related both sides in top of described interior poling connect is molded together in described pedestal
In moulding, described pedestal moulding presents bottom length, short isosceles trapezoid shape of going to the bottom, the left and right two of described pedestal moulding
While there being groove, the groove on the described pedestal moulding left side is opening groove to the left, the groove on the right of described pedestal moulding be opening to the right
Groove, the right and left top of described pedestal moulding is U-lag, bottom is flat-bottom slot, the left and right two of described pedestal moulding
The U-lag on side is with described left hand corresponding for the caliber of 62 and described right handgrip 63, described pedestal moulding the right and left
The both sides of flat-bottom slot respectively have one mutual to perforation, the interior poling of described handle base 61, cooperation bowl-type pad, hanging bolt and
Slope nut, penetrates in the front fork tube of described front fork 4, tightens hanging bolt, makes the interior of slope nut and described handle base 61
Poling is tightened up and is misplaced, so that the interior poling of described handle base 61 is fixedly connected in front fork tube, described left hand is 62
With described right handgrip 63, connected and composed by pipe and cast, described left hand 62 and described right handgrip 63 pipe on
Portion bends, and described left hand connects cast the bottom of 62 and described right handgrip 63 pipe.
Described left lock-connecting piece 64 is made up of a plagiocephaly barrel 641, a snap bolt 642 and a nut 643, and described is oblique
Head barrel 641 is one of a barrel and makes plagiocephaly, the head of described plagiocephaly barrel 641 and described left hand 62 lower weld,
Snap bolt 642 described in twist-on in the screwed hole of described plagiocephaly barrel 641, described snap bolt 642 and described plagiocephaly barrel
Nut 643 also described in twist-on one at 641 twist-on, described right lock-connecting piece 65 by channel 651, latch hook 652, to connecting bolt
653rd, spring 654 and bolt 655 are constituted, and described channel 651 is opening flute profile backward, described channel 651
Right head is plagiocephaly, the both sides up and down of described channel 651 flute profile left part have mutual to perforation, the flute profile of described channel 651
There is the lower weld of a screwed hole, the right head of described channel 651 and described right handgrip 63 at middle part, and described channel is about 651
Both sides mutual to being punched through described connecting bolt 653 is connected with the collar aperture rotation at described latch hook 652 middle part, described lock
Hook 652 is that left end becomes hook-type, middle part to have collar aperture, the right part part with handle, and the handle of described latch hook 652 has an elongated hole, described lock
The elongated hole of hook 652 is corresponding with the screwed hole of described channel 651, and described spring 654 is positioned over described channel 651
Between the elongated hole of screwed hole and described latch hook 652, penetrated in the elongated hole of described latch hook 652 with described bolt 655 and institute
In the spring 654 stated, then it is screwed in the screwed hole of described channel 651.
Described left hand, 62 cast and the cast of described right handgrip 63, by two to lock bolt, is rotationally connected with respectively
Described pedestal moulding the right and left mutual to perforation, launch described left hand 62 and described right handgrip 63, the described right side
The described latch hook 652 of lock-connecting piece 65, in the presence of described spring 654, can hook the described round end of described left lock-connecting piece 64 moment
Bolt 642, the mutual interlocking between described right lock-connecting piece 65 and described left lock-connecting piece 64, realize described left hand 62, described
Right handgrip 63 and described handle base 61 between interfix.
Described electric drive system 9 includes：Wheel hub motor 91, battery 92, controller 93 and controlling switch 94, described
Motor 91 is brushless hub electric motor, and described motor 91 is combined with the wheel hub one configuration of described front-wheel 7, and described battery 92 is
The lithium battery group of series connection, described controller 93 is brushless motor controller, and described battery 92 and described controller 93 are all
It is positioned in the pore of described front pipe fitting 21 rectangular tube, described controlling switch 94 includes speed control crank 941, power-off brake lever 942
Lock 943 with power supply, described power supply lock is installed on the top of described front pipe fitting 21 rectangular tube, described speed control crank
941 are installed on described right handgrip 63, and described power-off brake lever 942 is installed on described right handgrip 63, described power supply
Control lock 943, described speed control crank 941 and described power-off brake lever 942, by connecting line and connector and described control
Device 93 connects, and described controller 93 passes through connecting line and connector is connected with described battery 92 and described motor 91.
Claims (7)
1. the portable three-wheeled electric vehicle of a kind of six link rod quick-folding formulas, including six link rods fold bicycle beam, front pipe fitting, step, seat pipe,
Saddle, locator card, front fork, rear linkage rack, V-shaped folding hand handle, front-wheel, trailing wheel and electric drive system, is characterized in that：Six
Bar folds bicycle beam and includes front foldable base, rear foldable base, front-axle beam pipe, back rest pipe, rotating vane, flute profile folded piece, connecting seat, bicycle beam lock
Hook, front rod and back link, front foldable base is opening flute profile stamping backwards, the upper and lower of front foldable base flute profile both sides
Respectively have one mutual to perforation, front foldable base is welded in the rear side in the middle part of front pipe fitting, front pipe fitting is a rectangular tube and a pipe is put down
The blank of the aluminium section bar of row integrally connected, the bottom of the rectangular tube of front pipe fitting is provided with backing, the top of the rectangular tube of front pipe fitting
End is provided with cover plate, and rear foldable base is opening flute profile stamping forward, and the upper and lower of rear foldable base flute profile both sides respectively has
One mutual to perforation, rear foldable base is welded in the front side of seat pipe bottom, the front end welding rotating vane of front-axle beam pipe, the rear end of front-axle beam pipe
Welding flute profile folded piece, flute profile folded piece is the flute profile stamping that Open Side Down, and the front and rear of flute profile folded piece both sides respectively has
One mutual to perforation, the rotating vane being welded in front-axle beam pipe passes through perforation is rotated mutual with front foldable base top to lock bolt and connects
Connect, rotating vane is welded in back rest pipe rear end, and the lower section of back rest pipe front end is welded to connect seat, is also equipped with car in the pore of back rest pipe front end
Beam latch hook and torsion spring, the rotating vane being welded in back rest pipe passes through perforation is rotated even mutual with rear foldable base top to lock bolt
Connect, flute profile folded piece rear portion mutual to be punched through to lock bolt mutual with the front portion of connecting seat to perforation rotation be connected,
Mutual being connected to being punched through lock bolt is rotated with the front ring of front rod in front foldable base bottom, front rod is a flat strip shaped
The two ends of metallic rod are each to connect a circle, and the rear circle of front rod passes through perforation is rotated even mutual with connecting seat rear portion to lock bolt
Connect, mutual perforation is connected with the rear end thereof of back link in rear foldable base bottom, the front end of back link is rotationally connected with flute profile
Folded piece anterior mutual to perforation, the bicycle beam latch hook in the pore of back rest pipe front end, in the presence of torsion spring, can pin flute profile
The top margin of folded piece rear end, locator card is connected to the top of front-axle beam pipe, and locator card is a working of plastics with C-shaped bayonet socket, locator card
The pipe of pipe fitting before clasping after six link rods fold bicycle beam folding, the both sides of front pipe fitting pipe lower end also respectively connect a step,
Step is made up of step seat and pedal stroke, and two step seats are welded in the left and right sides of front pipe fitting lower end, and it is right that two pedal strokes pass through two
Lock bolt is rotationally connected with two step seats；Linkage rack after connecting in seat pipe, rear linkage rack includes left even part, right even part, cast
Saddle, revolver bar, right wheel bar, left strut, right strut, locking pin member and wheel bar card, left even part and right even part are welded in seat about dividing
The rear side of pipe bottom, cast saddle is slidably connected to middle part and the top of seat pipe, and locking pin member is installed on the rear of cast saddle, and
Rear side in the middle part of seat pipe for the interlocking, the upper end of revolver bar and right wheel bar is rotationally connected with cast saddle respectively, revolver bar and the right side
The top of wheel bar rotates the rear end connecting left strut and right strut respectively, and the front end of left strut and right strut is connected to left company
Part and right even part, the lower end of revolver bar and right wheel bar is each to install a trailing wheel, and the rear side of seat pipe lower end is also connected with taking turns bar card, in revolver
When bar and right wheel bar mutually draw in, wheel bar card is engaged with right wheel bar；Front fork is rotated with the pipe of front pipe fitting and is connected, and front fork lower end is even
Connect front-wheel, saddle is installed on the top of seat pipe；V-shaped folding hand being quick interlocking Formula V font folding hand handle, including handling base
Seat, left hand handle, right handgrip, left lock-connecting piece, right lock-connecting piece, handle base is made up of pedestal moulding and interior poling, interior poling note
Mould in pedestal moulding, the right and left of pedestal moulding has groove, the right and left top of pedestal moulding is U-lag, under
Portion is flat-bottom slot, the both sides of pedestal moulding the right and left flat-bottom slot respectively have one mutual to perforation, handle base passes through interior wearing
Pipe cooperation bowl-type pad, hanging bolt and slope nut, are fixedly connected in the front fork tube of front fork, left hand handle and right handgrip are round
The bottom of pipe connects the part of cast, the plagiocephaly barrel of the left lock-connecting piece of lower weld of left hand handle, and left lock-connecting piece is by a plagiocephaly spiral shell
Cylinder, a snap bolt and a nut are constituted, twist-on snap bolt in plagiocephaly barrel, at the twist-on of snap bolt and plagiocephaly barrel also
Twist-on one nut, the channel of the right lock-connecting piece of lower weld of right handgrip, right lock-connecting piece by channel, latch hook, to connecting bolt, bullet
Spring and bolt are constituted, the both sides up and down of the flute profile left part of channel have mutual to perforation, have in the middle part of the flute profile of channel
One screwed hole, mutual being connected to being punched through connecting bolt is rotated with the collar aperture in the middle part of latch hook in the upper and lower both sides of channel, latch hook
It is that left end becomes hook-type, middle part to have collar aperture, the right part part with handle, the handle of latch hook has an elongated hole, spring is positioned over channel
Screwed hole and the elongated hole of latch hook between, penetrated with bolt in the elongated hole of latch hook and spring in, then be screwed in channel
In screwed hole, the cast of left hand handle and the cast of right handgrip, by two to lock bolt, it is rotationally connected with pedestal moulding respectively left
Right both sides mutual to perforation, the latch hook of right lock-connecting piece under the action of the spring, hooks the snap bolt of left lock-connecting piece and realizes
Interlocking；Electric drive system includes motor, battery, controller and controlling switch, and motor is arranged at front-wheel, and battery and controller are all
It is placed in the rectangular tube of front pipe fitting；Described revolver bar and described right wheel bar, be a pipe welded top one pipeloop, on
The part of a flute profile stamping is welded in the front side in portion, and described revolver bar and the laterally also each of described right wheel bar bottom weld a short axle,
The both sides of described revolver bar and described right wheel bar flute profile stamping have one mutual to perforation, described left strut and described right support
Bar, is each part with a cast in front-end and back-end, short axle each socket respectively of described revolver bar and described right wheel bar lower end
One trailing wheel；Described interior poling includes pipe and two bolts, and the outer tube diameter rolling on described interior poling pipe top has gear hobbing, described interior
The lower end of poling pipe carries angle, and the both sides on described interior poling pipe top are each to weld a bolt, described pedestal moulding
Present bottom length, short isosceles trapezoid shape of going to the bottom, the right and left of described pedestal moulding has groove, the described pedestal moulding left side
Groove be opening groove to the left, the groove on the right of described pedestal moulding is opening groove to the right, the left and right of described pedestal moulding
The U-lag on both sides and described left hand and described right handgrip caliber corresponding.
2. the portable three-wheeled electric vehicle of six link rod quick-folding formulas according to claim 1, is characterized in that：Described front-axle beam pipe
It is a rectangular tube, described rotating vane is the sheet component with cast for the upper end, described back rest pipe is a rectangular tube, described connection
Seat is a flute profile stamping, the both sides of described connecting seat flute profile front and rear respectively have one mutual to perforation, before described back rest pipe
Go back close-fitting in the pore at end and be socketed one section of rectangular tube as reinforcement, the left and right sides of described back rest pipe front end, be inconjunction with and be socketed it
In one section of rectangular tube have together one mutual to perforation, the top of described back rest pipe front end, be inconjunction with socket therein
Cut rectangular tube and have an elongated hole together.
3. the portable three-wheeled electric vehicle of six link rod quick-folding formulas according to claim 2, is characterized in that：Described bicycle beam lock
Hook be bottom be cast, top be hook-type Al squeezing material sliced pieces, the middle part of described bicycle beam latch hook becomes rod, by described car
One of the cast of beam latch hook penetrates from the top down in described back rest pipe range hole, and the cast of described bicycle beam latch hook is corresponded to
Described back rest pipe mutual to perforation, place into torsion spring, make one of the torsion spring lower tube wall pushed down in one section of rectangular tube pore, make
The other end of torsion spring is pushed down on described bicycle beam latch hook rod, then with lock bolt is penetrated described back rest pipe mutual to perforation
In, in torsion spring collar aperture and in the collar aperture of described bicycle beam latch hook cast, and to stubborn positioning.
4. the portable three-wheeled electric vehicle of six link rod quick-folding formulas according to claim 1, is characterized in that：Described back link
Including left connecting rod, right connecting rod and barrel, the two ends that left connecting rod is two metal round rod with right connecting rod become right-angle bending in the same direction, then
Left connecting rod and the cooperation of right connecting rod paired shape, the bending part of described left connecting rod and described right connecting rod rear end has screw thread, described left company
The bending part of bar and described right connecting rod front end has pin-and-hole, barrel be a tubular member pore in tapped, barrel is placed
In described rear foldable base bottom mutual to perforation between, divided with the screw thread of described left connecting rod and described right connecting rod rear end bending part
Do not penetrate mutual perforation neutralization is screwed in the screwed hole of barrel in described rear foldable base top, that is, complete described back link with
The mutual rotation to perforation in described rear foldable base bottom connects, by the bending punishment of described left connecting rod and described right connecting rod front end
Do not buckle into described flute profile folded piece anterior mutual in perforation, and cover Upper gasket, the upper pin of pin positions, that is, complete described in after
Connecting rod mutual rotation to perforation anterior with described flute profile folded piece is connected.
5. the portable three-wheeled electric vehicle of six link rod quick-folding formulas according to claim 1, is characterized in that：Described left even part
With described right even part, it is opening flute profile stamping backward, the both sides of described left even part and described right even part flute profile have mutual
To perforation, described cast saddle is the cutting off processing part of an aluminium extruded type, the left back of described cast saddle and right back, each carries
There is an outwardly directed flute profile, with an even side between outwardly directed two flute profiles of described cast saddle, described cast saddle is left back
The both sides of side and right back flute profile respectively have mutual to perforation, described cast saddle connects the centre on side, and described cast saddle two
In the middle of angle between flute profile, have a mutual circle perforation, locking pin member be installed on described cast saddle connect in the circle perforation on side and
In the circle perforation of angle between described cast saddle two flute profile, described locking pin member, there are a lock pin, a spring and a pin structure
Become, lock pin is to connect a handle with the metal rod rear end injection of a cylinder, and there is a pin-and-hole front portion of lock pin, lock pin is penetrated
Described cast saddle connects in the circle perforation on side, penetrates in spring again, penetrates into angle between described cast saddle two flute profile again
In circle perforation, then pin is hammered in the anterior pin-and-hole of lock pin, make the front end of spring withstand pin, described cast cunning is withstood in rear end
The company side of part, described locking pin member can with described seat pipe pipe in the middle part of circular hole interlocking.
6. the portable three-wheeled electric vehicle of six link rod quick-folding formulas according to claim 1, is characterized in that：Described plagiocephaly spiral shell
Cylinder is one of a barrel and makes plagiocephaly, the lower weld of the head of described plagiocephaly barrel and described left hand handle, described channel
It is opening flute profile backward, the right head of described channel is plagiocephaly, and the right head of described channel is welded with the bottom of described right handgrip
Connect, the mutual interlocking between described right lock-connecting piece and described left lock-connecting piece, realize described left hand, described right handgrip and institute
Interfixing between the handle base stated.
7. the portable three-wheeled electric vehicle of six link rod quick-folding formulas according to claim 1, is characterized in that：Described motor is
Brushless hub electric motor, described motor is combined with the wheel hub one configuration of described front-wheel, and described battery is the lithium battery of series connection
Group, described controller is brushless motor controller, and described controlling switch includes speed control crank, power-off brake lever and power supply
Lock, described power supply lock is installed on the top of described front pipe fitting rectangular tube, and described speed control crank is installed on the described right side
On the handle, described power-off brake lever is installed on described right handgrip, described power supply lock, described speed control crank and institute
The power-off brake lever stated, is connected with described controller by connecting line and connector, and described controller passes through connecting line and connects
Plug-in unit and described battery and described motor connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510095045.6A CN104691686B (en) | 2015-03-04 | 2015-03-04 | The portable three-wheeled electric vehicle of six link rod quick-folding formulas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510095045.6A CN104691686B (en) | 2015-03-04 | 2015-03-04 | The portable three-wheeled electric vehicle of six link rod quick-folding formulas |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104691686A CN104691686A (en) | 2015-06-10 |
| CN104691686B true CN104691686B (en) | 2017-03-01 |
Family
ID=53339327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510095045.6A Expired - Fee Related CN104691686B (en) | 2015-03-04 | 2015-03-04 | The portable three-wheeled electric vehicle of six link rod quick-folding formulas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104691686B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019067719A1 (en) * | 2017-09-27 | 2019-04-04 | Radio Flyer Inc. | Foldable tricycle |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018051352A1 (en) * | 2016-09-15 | 2018-03-22 | Mobius Design Ltd. | Robotrike |
| CN110422021B (en) * | 2019-09-06 | 2024-03-15 | 合肥德泰科通测控技术有限公司 | Wheel folding mechanism for steel rail nondestructive inspection vehicle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012009105A1 (en) * | 2012-04-30 | 2013-10-31 | Alexander Degtjarew | The folding tricycle bike. |
| CN103738442A (en) * | 2014-01-08 | 2014-04-23 | 太仓市车中宝休闲用品有限公司 | Foldable portable electric bicycle with bicycle beam and seat tube provided with four connecting rods |
| CN203864884U (en) * | 2014-04-28 | 2014-10-08 | 太仓市车中宝休闲用品有限公司 | Portable electric bicycle allowing bicycle body and seat six-connection-rod rapid folding |
| CN104627298A (en) * | 2015-03-04 | 2015-05-20 | 太仓市车中宝休闲用品有限公司 | Foldable and portable four-connecting-rod tricycle |
| CN204606083U (en) * | 2015-03-04 | 2015-09-02 | 太仓市车中宝休闲用品有限公司 | The portable three-wheeled electric vehicle of six link rod quick-folding formulas |
-
2015
- 2015-03-04 CN CN201510095045.6A patent/CN104691686B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012009105A1 (en) * | 2012-04-30 | 2013-10-31 | Alexander Degtjarew | The folding tricycle bike. |
| CN103738442A (en) * | 2014-01-08 | 2014-04-23 | 太仓市车中宝休闲用品有限公司 | Foldable portable electric bicycle with bicycle beam and seat tube provided with four connecting rods |
| CN203864884U (en) * | 2014-04-28 | 2014-10-08 | 太仓市车中宝休闲用品有限公司 | Portable electric bicycle allowing bicycle body and seat six-connection-rod rapid folding |
| CN104627298A (en) * | 2015-03-04 | 2015-05-20 | 太仓市车中宝休闲用品有限公司 | Foldable and portable four-connecting-rod tricycle |
| CN204606083U (en) * | 2015-03-04 | 2015-09-02 | 太仓市车中宝休闲用品有限公司 | The portable three-wheeled electric vehicle of six link rod quick-folding formulas |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019067719A1 (en) * | 2017-09-27 | 2019-04-04 | Radio Flyer Inc. | Foldable tricycle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104691686A (en) | 2015-06-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104691686B (en) | The portable three-wheeled electric vehicle of six link rod quick-folding formulas | |
| CN104229036A (en) | Double-beam sliding piece linkage box type foldable electric bicycle | |
| CN204473012U (en) | Double leval jib folding portable three-wheeled electric vehicle | |
| CN102730127B (en) | Portable box type electric bicycle capable of rapidly folding locking handle in hand pulling manner | |
| CN106184557A (en) | Stretching handle type quick-folding formula bicycle | |
| CN204473013U (en) | Four-bar linkage folds the portable tricycle of forerunner's dynamic formula | |
| CN104691687B (en) | Portable electric scooter with inserts plastics main part | |
| CN104627298B (en) | Double leval jib folding portable three-wheeled electric vehicle | |
| CN104527883B (en) | Twin beams saddle linkage folding box type three-wheeled electric vehicle | |
| CN204606083U (en) | The portable three-wheeled electric vehicle of six link rod quick-folding formulas | |
| CN105000113A (en) | Folding box type portable electric vehicle | |
| CN204473014U (en) | The portable tricycle of six link rod quick-folding forerunner dynamic formulas | |
| CN104527886B (en) | Six link rod quick-folding formula portable bicycles | |
| CN102774459B (en) | Saddle pull handle type fast and convenient folding electric bicycle | |
| CN104554574B (en) | Override type portable bicycle above and below four-bar linkage folding | |
| CN204473011U (en) | The upper and lower override type portable bicycle of six link rod quick-foldings | |
| CN104494761B (en) | Trailing wheel turning formula folding portable bicycle | |
| CN104590462B (en) | Six joining beam quick-folding formula portable electric cars | |
| CN204415633U (en) | Six link rod quick-folding formula portable bicycles | |
| CN204383692U (en) | Trailing wheel turning formula folding portable bicycle | |
| CN202783577U (en) | Quick foldable electric bicycle with puller type saddle | |
| CN204821914U (en) | Swift foldable portable electric motor car of six link rods | |
| CN104590461B (en) | Six-connecting-rod vertical pedaling portable bicycle capable of being fast and conveniently folded | |
| CN203078685U (en) | X-shaped folding electric tricycle | |
| CN204110273U (en) | Twin beams saddle interlock folding box type Electrical Bicycle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230105 Address after: 276000 Torch Building, Keji Avenue, high tech Industrial Development Zone, Linyi City, Shandong Province Patentee after: Linyi future technology city development and Construction Group Co.,Ltd. Address before: 215421 Songnan Industrial Park, Shaxi, Taicang City, Suzhou City, Jiangsu Province Patentee before: TAICANG CHEZHONGBAO LEISURE ARTICLES Co.,Ltd. Patentee before: Pang Mingfang |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170301 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |