CN107140086B

CN107140086B - Folding bicycle and folding mechanism and double-arm crank for folding bicycle

Info

Publication number: CN107140086B
Application number: CN201710101942.2A
Authority: CN
Inventors: 洪铫亨
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-03-01
Filing date: 2017-02-24
Publication date: 2019-09-13
Anticipated expiration: 2037-02-24
Also published as: CN107140086A; JP2017154731A; JP6391057B2; TWI592326B; TW201731721A

Abstract

The invention relates to a folding bicycle, a folding mechanism for the folding bicycle and a double-arm crank. Although the prior folding bicycle is folded, the size of the bicycle body is still not favorable for carrying, and the problems that the parts such as the pedal, the handle, the wheel or the chain are exposed are caused, so that objects placed on the periphery are dirtied or scratched. The folding bicycle comprising front and rear wheel folding mechanisms and double-arm crank is characterized by that the four-bar linkage group mounted on the front frame and the folding mechanism mounted on the rear frame are respectively used for longitudinally folding the front and rear wheels into the space for holding said frame, then the front and rear frames are transversely folded by using hinge joint as rotating pivot, and folded by means of the above-mentioned mechanisms so as to form an approximately rectangular luggage-type box body, and all the components which can be originally exposed can be completely held in the luggage-type box body, and can be used for reducing the volume of folded bicycle body, and finally the handle of the bicycle and auxiliary wheel for pulling it can be used for carrying it out.

Description

Folded bicycle and fold mechanism and double-arm crank for folded bicycle

Technical field

The present invention relates to a kind of folded bicycle and for the fold mechanism and crank of folded bicycle, particularly relate to after folding with The outline border of vehicle frame forms the folded bicycle such as trunk type cabinet.

Background technique

Small wheel-diameter folding bicycle (referred to as small folding) can reduce volume through folding car body in non-riding in order to user Portable or storage, but the problem that general commercially available small folding still has the components such as pedal, handle, wheel or chain exposed after folding, Probably make or scratch other objects on side dirty, it is not satisfactory.In addition, having part vehicle money to more reduce the body of folding aftercarriage Product but sacrifices riding performance when small folding expansion, conversely, the part vehicle money preferably and being easily manipulated is felt in riding, after folding Volume but it is too big, occupy storage space and be unfavorable for outgoing carrying.

Summary of the invention

To solve the above-mentioned problems, the present invention provide a kind of " folded bicycle " and for folded bicycle " fold mechanism " and " double-arm crank " has when folded bicycle being enabled to be unfolded and is equivalent to general Mountaineering vehicle or highway car comfortably rides geometry, after folding Global approximation is upright, and the especially components such as pedal, handle, wheel or chain are neither exposed, after folding volume with it is commercially available medium and small Type luggage case is close, and equipped with bar and auxiliary wheel is towed, convenient for users to outgoing portable and storage.

Now pass through following each embodiment, exemplary illustration folded bicycle provided by the present invention, fold mechanism and both arms The technical characteristic that formula crank is included.More preferably first embodiment is a kind of fold mechanism for folded bicycle, packet to the present invention Contain: head bowl, head tube tube bank part, wheel single armed and link member, wherein the first end on the top of head bowl and head tube tube bank part Pivot joint, the lower part of head bowl and the first end of wheel single armed are pivotally connected, and the second end of head tube tube bank part is linked to vehicle through link member Single armed is taken turns, via the connection of said modules so that double leval jib is collectively formed in head bowl, head tube tube bank part, wheel single armed and link member Group.

Another form of above-mentioned fold mechanism, wherein head tube restrains part and is equipped with hollow short pipe, to make during handle is arranged in Empty short tube and be linked to head tube tube bank part, and the second end of wheel single armed is to be pivotally connected wheel.

Further, handle is worked as rotation pivot with the first end pivot joint place of the top of head bowl and head tube tube bank part When pushing drives head tube to restrain part rotation, head tube restrains part drive link member movement, and link member is more linkedly with motor car wheel single armed Movement, makes that wheel is upward, handle synchronously folding downwards, until head tube tube bank part turns to designated position.

More preferably second embodiment is a kind of folded bicycle to the present invention, includes: front frame and rear frame, front vehicle Frame and rear frame are with the connection of at least one hinge joint；First fold mechanism is set to the front side of front frame, comprising: head bowl The first end of part, head tube tube bank part, front-wheel single armed and link member, the top of head bowl and head tube tube bank part is pivotally connected, head bowl The first end of lower part and front-wheel single armed is pivotally connected, and the second end of head tube tube bank part is linked to front-wheel single armed through link member, so that head Double leval jib group is collectively formed in bowl, head tube tube bank part, front-wheel single armed and link member, wherein the second end of front-wheel single armed is more arranged There is front-wheel, and the first fold mechanism is interconnected by head bowl and front frame；It is combined and restraining part by wearing to head tube To the handle of the first fold mechanism；Seat cushion and seat pipe；And second fold mechanism, it is set to the rear side of rear frame, comprising: after Single armed is taken turns, is mutually pivotally connected between the first end and rear frame of rear-wheel single armed via fold pivot, the second end of rear-wheel single armed is more matched Equipped with rear-wheel；When the first fold mechanism and the second fold mechanism are folded, front-wheel and rear-wheel are longitudinally folded to front respectively Vehicle frame and rear frame is respective is installed with space, seat pipe decline hiding is contained in the space that is installed with of rear frame, front frame and rear portion Vehicle frame is using at least one hinge joint as rotation pivot laterally folding Face to face.

Another form of above-mentioned folded bicycle, further includes: five logical spindle elements have right card hole and Zuo Kakong；And right side is double Arm crank and left side bell crank, right side bell crank connect right steps, and left side bell crank connects Vehicular left pedal；Wherein, Five logical spindle elements are set to rear frame, and right side bell crank is linked to right card hole, between left side bell crank and left card hole also Including the first deep bid and connecting piece can be rolled over, according to left side bell crank, the first deep bid, the sequence knot that connecting piece Yu left card hole can be rolled over It closes, connecting piece therein of rolling over is for roll over left side bell crank can above and below.

Another form of above-mentioned folded bicycle, further includes: the first chain, the first flywheel, the second deep bid, the second chain and Second flywheel；Further, the first deep bid via the first transmission chain link and drives the first flywheel, and the first flywheel and second folds The rear-wheel single armed of mechanism, the second deep bid three share a concentric shafts, wherein the first flywheel and the second deep bid be integrally interlock but It is not to interlock with rear-wheel single armed, finally, the second deep bid driven by the first flywheel is via the second transmission chain link and drives the Two flywheels and rear-wheel.

Another form of above-mentioned folded bicycle, wherein right side bell crank includes rolling over connection to be linked to right card hole Part, can roll over connecting piece roll over right side bell crank can above and below.

Another form of above-mentioned folded bicycle, wherein right side bell crank includes the locking part to be linked to right card hole, lock Firmware makes right side bell crank be fixedly arranged on right card hole upward.

In some other form of above-mentioned folded bicycle, can roll over connecting piece is dismountable Quick-dismantle component, makes left side both arms Crank and right side bell crank can be dismantled from left card hole and right card hole respectively.

In some other form of above-mentioned folded bicycle, right steps are connected to right side pair by the first foldable pedal seat The either end of arm crank, Vehicular left pedal are connected to the either end of left side bell crank by the second foldable pedal seat, further The space that ground, right steps and Vehicular left pedal can be by foldings and receiving is sandwiched to right side bell crank and left side bell crank, Each self-forming plane simultaneously.

The another form of above-mentioned folded bicycle, when continuing to fold folded bicycle, wherein right steps are contained to right side both arms The space that crank is sandwiched, and keep right side bell crank upward, Vehicular left pedal, which is also stored, to be sandwiched to left side bell crank Space, and by left side bell crank roll over connecting piece roll over upwards it is dynamic, make left and right bell crank present it is symmetrical face-to-face and with The configuration status of a flush is collectively formed in rear frame, finally, when front frame and rear frame are at least one hinge joint It, will be so that folded bicycle forms approximate rectangular luggage type cabinet, and subordinate when folding Face to face lateral for rotation pivot It can hide and be contained in the space that luggage type cabinet is surrounded after drop.

The another form of above-mentioned folded bicycle, further includes: it is set at least one auxiliary wheel of front frame or rear frame, When handle is drawn out, the grip direction of rotatable grip, and the luggage after folding is towed using at least one auxiliary wheel Formula cabinet.

The another form of above-mentioned folded bicycle, wherein front frame and rear frame be all by multiple length mouldings, frame pipe, Framework type frame structure composed by tubing or metal plate part.

The another form of above-mentioned folded bicycle, wherein the first chain and the second chain are chain, belt, gear or biography One of moving axis.

More preferably 3rd embodiment is a kind of double-arm crank mechanism for folded bicycle to the present invention, includes: symmetrical And it is parallel first long-armed and second is long-armed；First galianconism, to connect first long-armed and the second long-armed formation U-shaped structure； And second galianconism, to connect the top of U-shaped structure；Second galianconism is connected to foot pedal as foldable pedal seat, Again when folding foldable pedal seat, in the space that foot pedal can be by folding and receiving is sandwiched to U-shaped structure, formed simultaneously The construction package of plane；Wherein, the first galianconism is connect with connecting piece, makes the construction package of flush above-mentioned can via connecting piece It is incorporated in on folded bicycle.

Another form of above-mentioned double-arm crank mechanism, wherein connecting piece is that can roll over connecting piece, is made through that can roll over connecting piece The construction package of flush above-mentioned can be rolled over above and below.

In another form of above-mentioned double-arm crank mechanism, connecting piece can be rolled over and be bound to folded bicycle fixedly.

In another form of above-mentioned double-arm crank mechanism, connecting piece can be rolled over and be removably coupled to folded bicycle.

Detailed description of the invention

Fig. 1 is the fold mechanism provided by the present invention for folded bicycle.

Fig. 2A is fold mechanism provided by the present invention composed faucet assembly in conjunction with handle, wheel.

Fig. 2 B and Fig. 2 C are the folding manner of execution of fold mechanism provided by the present invention and handle, wheel entirety.

Fig. 3 A and Fig. 3 B are one embodiment of folded bicycle provided by the present invention.

Fig. 3 C, the folding manner of execution that 3D, 3E are folded bicycle entirety provided by the present invention.

Fig. 4 A and Fig. 4 B are another embodiment of folded bicycle provided by the present invention.

Fig. 5 A (1) to Fig. 5 J (2) is the folding manner of execution of folded bicycle entirety provided by the present invention.

Fig. 5 K (1) to Fig. 5 K (4) is folded bicycle of the invention through folding and the luggage type case including at least one auxiliary wheel Body structure.

Fig. 6 A and Fig. 6 B are the double-arm crank mechanism and folding manner of execution provided by the present invention for folded bicycle.

Specific embodiment

Folded bicycle provided by the present invention and fold mechanism for folded bicycle and double-arm crank mechanism will cooperate it More preferably embodiment and as follows, the composition component, each including fold mechanism, folded bicycle and double-arm crank is described in detail with reference to the attached drawings The explanation of connection relationship between component and the mode of operation of its folding movement, it should thus be appreciated that be that more preferably embodiment is only In order to illustrate illustration of the invention, the embodiment being not intended to limit the invention, therefore based on spirit of the invention via simple Changing realized creation all should belong to the protection scope that the present invention is advocated, while in equivalency range of the invention, this being sent out Technical characteristic or technological means documented by bright in a manner of simply combining, modify, replace, convert etc. with prior art progress again Creator, the protection scope that all can not be detached from creation core of the invention and be advocated.

The effect of about more preferably embodiment provided by the present invention, embodiment and technological means, can be by following detailed Bright and attached drawing is stated to be further understood.

In principle, indicate to be shown in identical components in different attached drawings with identical symbol, in order to clearly indicate The symbol of each components, the symbol of identical components will be omitted and not repeatedly be revealed in figure, only mark in figure Show the symbol of the components first appeared, if but it is necessary to still repeatably be indicated, it is first explained herein.

Fig. 1 is the fold mechanism 100 provided by the present invention for folded bicycle, includes: head bowl 10, head tube tube bank part 11, wheel single armed 13 and link member 12, wherein head bowl 10 is the spare and accessory parts that approximate L shape is presented in appearance, as fold mechanism 100 master units assembled with vehicle frame, centered on head bowl 10, by the first end on the top 101 of head bowl and head tube tube bank part 111 pivot joints, the lower part 102 of head bowl and the first end 131 of wheel single armed are pivotally connected, then head tube is restrained to the second end 112 of part The pivot hole 132 being linked to by link member 12 on wheel single armed, wherein the of the first end 121 of link member and head tube tube bank part The pivot hole 132 of the second end 122 and wheel single armed of the pivot joint of two ends 112 and link member is pivotally connected, via the company between above-mentioned each component It connects, so that head bowl 10, head tube tube bank part 11, wheel single armed 13 and link member 12 collectively constitute interlocking such as double leval jib group The mechanism of folding.

Referring to Fig. 1 and Fig. 2A, the head tube tube bank part 11 of fold mechanism 100 is equipped with hollow short pipe 113, to make handle The component of hand 15 be combined with each other via wearing to hollow short pipe 113 with fold mechanism 100, and another portion of fold mechanism 100 Point be linked to wheel shaft by the second end 133 of wheel single armed is combined with wheel 14, via by fold mechanism 100, handle 15 with And after wheel 14 assembles jointly, as with the leading assembly 200 of folder function.

With continued reference to Fig. 2 B and Fig. 2 C, indicate above-mentioned through assembling the leading assembly of fold mechanism 100 including Fig. 2A, 2B, 2C The continuous action mode of the 200 mechanism kinematic process before folding, in folding and after folding: with the top 101 of head bowl and head The pivot joint place of first end 111 that pipe restrains part is rotation pivot, when handle 15 pushes and head tube tube bank part 11 is driven to rotate, head Pipe restrains part 11 and drives 12 relative motion of link member, and more linkedly band motor car wheel single armed 13 moves link member 12, so that wheel 14 Upwards, handle 15 until head tube tube bank part 11 turns to designated position and enables handle 15 about present downwards synchronously by folding Until flat-hand position, in this way, wheel 14 is made to have longitudinal folding function.

Fig. 3 A is one embodiment of folded bicycle 300 provided by the present invention, in order to clearly demonstrate folded bicycle and " vehicle frame The related fold mechanism in part ", folded bicycle illustrated by Fig. 3 A temporarily do not include the components of transmission system and foot section.

Referring now to Fig. 3 A, 3B and Fig. 1 is combined, folded bicycle 300 shown in Fig. 3 A, 3B includes: front frame 31, rear portion vehicle The portions such as frame 33, handle 17, the first fold mechanism 110, front-wheel 18, seat cushion 34, seat pipe 35, the second fold mechanism 120 and rear-wheel 28 Part, connection relationship are as follows: being folded between front frame 31 and rear frame 33 with one or more hinge joints 32 connection, first Mechanism 110 is set to 31 front side of front frame (close to faucet side) comprising head bowl 10, head tube restrain part 11, front-wheel single armed 16 and link member 12, centered on head bowl 10, the first end 111 on the top 101 of head bowl and head tube tube bank part is pivotally connected, it will The lower part 102 of head bowl and the first end 161 of front-wheel single armed are pivotally connected, then the second end 112 of head tube tube bank part is passed through link member 12 are linked to the pivot hole 162 of front-wheel single armed, wherein the pivot joint of second end 112 of first end 121 and head tube the tube bank part of link member, And the pivot hole 162 of the second end 122 of link member and front-wheel single armed is pivotally connected, and a bowl 10, head tube tube bank part 11, preceding is made after connection Wheel single armed 16 and link member 12 are collectively formed double leval jib group, but the second end 163 of front-wheel single armed be more linked to wheel shaft and and front-wheel 18 combine.

First fold mechanism 110 is linked by head bowl 10 and front frame 31, due to head bowl 10 and front frame 31 Junction is axial rotation pair upward, makes folded bicycle 300 that can turn left and right front-wheel 18 when being unfolded, when being intended to folding front-wheel 18, The double leval jib group that the first fold mechanism 110 need only be operated can be by front-wheel 18 with longitudinal folding mode folding.

Folded bicycle 300 above-mentioned further include: the handle 17 of riding manipulation, by the way that handle 17 is worn and is fixed on head tube It restrains the hollow short pipe 113 of part 11 and is combined with the first fold mechanism 110；To carry the seat cushion 34 and seat pipe 35 of personnel, seat Seat pipe 35 is installed under pad 34, seat pipe 35 is fixedly arranged on rear frame 33 and can adjust length up and down so that seat cushion 34 can highly accord with Close the riding demand of different figure personnel；And second fold mechanism 120, the rear side of rear frame 33 is set to (close to rear-wheel Side) comprising rear-wheel single armed 26 and fold pivot 27, via folding between the first end 261 and rear frame 33 of rear-wheel single armed Pivot 27 is mutually pivotally connected, and the extension of second end 262 of rear-wheel single armed is linked to wheel shaft and is combined with rear-wheel 28, wherein fold pivot 27 are pivotally connected place with rear frame 33 as longitudinal rotation pair, when being intended to folding rear-wheel 28, need only operate the second fold mechanism 120 Fold pivot 27 can be by rear-wheel 28 with longitudinal folding mode folding.

It holds, referring to Fig. 3 C, 3D, 3E, indicates that the above-mentioned folded bicycle 300 through assembling the continuous of mechanism during folding moves Make mode: when the first fold mechanism 110 and the second fold mechanism 120 are folded, front-wheel 18 and rear-wheel 28 are respectively by " longitudinal direction " It is folded to front frame 31 and rear frame 33 is respective is installed with space, the decline of seat pipe 35 hiding is contained in rear frame 33 thereafter Be installed with space and seat cushion 34 be tightly attached to 33 upper limb of rear frame (such as Fig. 3 C), front frame 31 and rear frame 33 with one or Multiple hinge joints 32 are that rotation pivot " transverse direction " is subject to folding (such as Fig. 3 D) Face to face, and the length for finally shortening handle 17 is subject to It stores (such as Fig. 3 E).

Referring to Fig. 3 A, 3B, 4A, 4B and Fig. 6, compared to folded bicycle 300, Fig. 4 be illustrated as include transmission system and The folded bicycle 400 of foot section components, in addition to the components that folded bicycle 300 has included, folded bicycle 400 also includes: five Logical spindle element 50, right side bell crank 505, left side bell crank 515, the first deep bid 520, the first chain 530, the first flywheel 540, the second deep bid 550, the second chain 560 and the second flywheel 570, connection relationship is as follows: five logical spindle elements 50 are arranged In rear frame 33 close to the lower part of the side of one or more hinge joints 32, there are right card hole 501 and left card hole 511 in both ends respectively (such as Fig. 3 A, 3B), right side bell crank 505 is linked to right card hole 501, and presss from both sides between left side bell crank 515 and left card hole 511 Be equipped with the first deep bid 520 and with it is as shown in FIG. 6 roll over connecting piece 625 and wear be linked to left card hole 511, aforementioned footrest component Five logical spindle elements are bound to left side bell crank 515, the first deep bid 520, the sequence that can roll over connecting piece 625 and left card hole 511 In 50 left card hole 511, connecting piece 625 can be rolled over also to make left side bell crank 515 that can roll over (such as Fig. 6 B) above and below, wherein Left side bell crank 515 is also connected with Vehicular left pedal 513, right side bell crank 505 is also connected with right steps 503 (such as Fig. 4 A, 4B), So that riding is trampled.

The transmission system of folded bicycle 400 drives the double of left and right side as shown in fig. 4 a and 4b, when trampling left and right foot pedal When arm crank operates, via the rotation of left side bell crank 515 and the first deep bid 520, power is passed by the first chain 530 It is handed to the first flywheel 540, then drives the operating of the second deep bid 550 by the rotation of the first flywheel 540, passes through the second chain 560 continue the power of the second deep bid 550 being transferred to the second flywheel 570, finally, after being driven by the rotation of the second flywheel 570 28 operating of wheel；It should be noted that the operation of the transmission parts of the folding component and rear-wheels power of the second fold mechanism 120 is independent of one another , the rear-wheel single armed 26 of the first flywheel 540 and the second fold mechanism 120,550 three of the second deep bid share a concentric shafts, wherein First flywheel 540 and the second deep bid 550 integrally interlock, and fold pivot 27 and the first flywheel 540 and the second deep bid 550 are shared Identical axle center, but rear-wheel single armed 26 is only sheathed on the outer layer of aforementioned concentric axis, therefore the folding of rear-wheel single armed 26 and the first flywheel 540, the transmission of the second deep bid 550 it is non-interference, also not with interlock each other.

It is noted that the transmission system for folded bicycle 400 belongs to secondary step-up drive system, it is so-called " secondary Speedup " refers to: since the disk diameter of the first deep bid 520 is greater than the disk diameter of the first flywheel 540, therefore using the first deep bid 520 with The effect of disk diameter difference between first flywheel 540 reaches first time speedup, when the first flywheel 540 is via the first chain 530 And when being driven by the first deep bid 520, because the first flywheel 540 and the second deep bid 550 integrally interlock, the first flywheel 540 and second maintain 1:1 between deep bid 550 power output, the second deep bid 550 drives second further through the second chain 560 The effect of flywheel 570 operates, and the disk diameter difference between the second deep bid 550 and the second flywheel 570 is recycled to reach second of speedup, Wherein, since the second flywheel 570 is fixed on rear-wheel 28, therefore power connects in this and is unceasingly passed to rear-wheel 28.

Such as first the disk diameter ratio of both deep bid 520 and the first flywheel 540 be 2:1, and the second deep bid 550 and the second flywheel When both 570 disk diameter ratio is 3:1, after secondary speedup, total speedup effect is 6:1, tramples drive first in riding , will be so that the second flywheel 570 linkedly rotate six circles when one circle of rotation of deep bid 520, therefore it is forward to trample drive vehicle body Dynamic efficiency promotes as many as six times, but also trampling more laborsaving, but still is not limited with disk diameter ratio illustrated by above-mentioned, from can be through Reasonable speedup effect is obtained by properly configuring, finally, compared to the single deep bid of conventional arrangement and the folding of single chain Folded vehicle, the excellent of folded storage volume can be reduced by also being had both using the folded bicycle of secondary speedup using two groups of small size fluted discs Point.

It is now further described below for the mechanism composition of 400 foot section of folded bicycle: the folded bicycle as shown in Fig. 4 A, 4B The composition of 400 arranged on left and right sides bell crank and the thin portion component of arranged on left and right sides foot pedal is separately presented in Fig. 6, for the ease of saying Bright, Fig. 6 only individually indicates right side bell crank 505, the left side both arms including Vehicular left pedal 513 including right steps 503 The part of crank 515 and the connection component for making arranged on left and right sides bell crank connect with five logical spindle elements 50.

The double-arm crank mechanism 60 of two sides all includes: symmetrical and parallel first long-armed 601 and second long-armed 602, with And the first galianconism 611 of U-shaped structure is collectively formed for connecting first long-armed 601 and second long-armed 602, and it is used to connect Second galianconism 612 on the top of U-shaped structure, as shown in Figure 6A, it is long-armed that the both ends of the second galianconism 612 are arranged in first respectively 601 and second long-armed 602 with formed be pivoted connection and make to be connected on the second galianconism 612 foot pedal 613 can by folding or expansion, As illustrated in Fig. 6 A (1) and Fig. 6 A (2), it is located in the foot pedal 613 in the sandwiched space of U-shaped structure by unfolded state such as To folding state manner of execution as shown in Fig. 6 A (2) shown in Fig. 6 A (1), when foot pedal 613 is accommodated by folding to U-shaped structure Double team space when, foot pedal 613 and double-arm crank 60 will be collectively form the construction package of a flush, so that folding The pedal member of folded vehicle 400 will not interact interference in adjacent other components generation mechanisms when folding.

The double-arm crank 60 of two sides passes through the connection of respective first galianconism 611 and at least one connection assembly respectively It is incorporated in in the arranged on left and right sides card hole of five logical spindle elements 50 of folded bicycle 400 shown in Fig. 4, aforementioned connection assembly includes two kinds Embodiment, one is fixed and can not roll over, secondly fix and can roll over, it is right for embodiment illustrated by Fig. 6 A The double-arm crank 60 of side is fixed in the right side card hole of five logical spindle elements 50 of folded bicycle 400 with locking part 630, and left side Double-arm crank 60 is then fixed in the left side card hole of five logical spindle elements 50 of folded bicycle 400 with that can roll over connecting piece 625, referring to figure The crank folding of 6B operates it is found that wherein only the double-arm crank 60 in left side makes crank due to using that can roll over connecting piece 625 Part can be dynamic by upper and lower folding, but the double-arm crank 60 on right side is because by the locking part 630 without folding extension mechanism It is fixed and crank section is made to be limited in direction upward, about crank section whether can folding should regard with locking part 630 or Connecting piece 625 can be rolled over to come depending on connecting crank.

In some implementation forms of folded bicycle 400, except the double-arm crank 60 in above-mentioned left side can roll over and right side it is double-arm Except the embodiment that crank 60 can not be rolled over, it simply can also replace connection assembly and make the double-arm crank 60 in left side to lock Firmware 630 is fixed and can not be rolled over, the double-arm crank 60 on right side is can roll over another embodiment that connecting piece 625 is fixed and can roll over, It with the mode of above-mentioned replacement connection assembly, and include making two with the double-arm crank 60 that can roll over the fixed arranged on left and right sides of connecting piece 625 Person is all that can roll over, and the embodiments such as both make can not all to roll over the double-arm crank 60 of the fixed arranged on left and right sides of locking part 630.

In some implementation forms of folded bicycle 400, can roll over connecting piece 625 is dismountable Quick-dismantle component, so that left side is double Arm crank 515 and right side bell crank 505 can be disassembled down from the left card hole 511 of five logical spindle elements 50 and right card hole 501 respectively Come, so that the replacement of crank is more convenient, in addition, if Fig. 6 A and 6B foot pedal 613 shown in it are in addition to folding storage, Foot pedal can be bound to by crank using easy to disassemble and installation Quick-dismantle component, therefore in some implementation shapes of folded bicycle 400 In state, left side bell crank 515 and right side bell crank 505 be dismountable, and Vehicular left pedal 513 and right steps 503 It also is all demountable.

The complete folding operation of vehicle is now illustrated with folded bicycle 400 shown in Fig. 4 A and 4B, and comparative diagram 5A is extremely Illustrated in 5J (being presented respectively in including two visual angles, such as Fig. 5 A (1) and Fig. 5 A (2)) one by one single step folding act, in detail State as follows: Fig. 5 A show folded bicycle 400 and is fully deployed and for the original state of riding, with the sequence of 400 folding of folded bicycle For, the first step, first trample arranged on left and right sides foot pedal make right side bell crank 505 and left side bell crank 515 all about with 35 parallel alignment of seat pipe (shown in such as Fig. 5 B (1) and Fig. 5 B (2))；Second step, respectively by 503 folding storage of right steps to the right side Side bell crank 505,513 folding storage of Vehicular left pedal to left side bell crank 515 (shown in such as Fig. 5 C (1) and Fig. 5 C (2))；The Three steps, the upward folding by that can roll over connecting piece 625 make left side 515 reflexed of bell crank upwards and the fixed right side to lock upward Symmetrical aspectant folding state (shown in such as Fig. 5 D (1) and Fig. 5 D (2)) is presented between side bell crank 505, makes after this folding Two sides foot pedal and bell crank and rear frame a flush is spatially collectively formed, it is non-interference each other, do not have yet There is the problem that components are exposed, is conducive to the overall volume of vehicle after diminution 400 folding of folded bicycle；4th step holds handle 17 It pushes ahead and pushes the first fold mechanism 110 of rotation to drive leading assembly 200 to rotate, make handle 17 under, front-wheel 18 upper lifts inwardly rotate synchronously (shown in such as Fig. 5 E (1) and Fig. 5 E (2)), then pass through the folding pivot of the second fold mechanism 120 Rear-wheel 28 is subject to folding by axis 27, through this folding, so that front-wheel 18 and rear-wheel 28 are folded to front frame 31 by " longitudinal direction " respectively And rear frame 33 is respective is installed with space (such as Fig. 5 F (1) and Fig. 5 F (2) shown in), the operation from Fig. 5 E to 5F it is found that due to Folded bicycle 400 constitutes transmission system using two-part chain, so when rear-wheel 28 is by longitudinal folding, the first chain 530 It can't fall off because of folding with the second chain 560, therefore the relevant components of transmission system also can be stored effectively.

5th step, by seat pipe 35 decline hiding be contained in rear frame 33 be installed with space and seat cushion 34 is tightly attached to rear frame 33 upper limbs (shown in such as Fig. 5 G (1) and Fig. 5 G (2))；6th step cuts with scissors front frame 31 and rear frame 33 with one or more Contact 32 is that rotation pivot " transverse direction " is subject to folding Face to face, through this folding folded bicycle 400 is formed approximate rectangular Luggage type cabinet (shown in such as Fig. 5 H (1) and Fig. 5 H (2))；Folded bicycle 400 is erected finally, lifting handle 17, with handle 17 as the grip of luggage type cabinet, the carrying handle for lifting and towing (shown in such as Fig. 5 I (1) and Fig. 5 I (2)), and being intended to will be through the folding of folding When the folded storage of vehicle 400 or storage, after can declining handle 17 and hiding is contained in the space (such as Fig. 5 J) that luggage type cabinet is surrounded；It is comprehensive It is upper described, it will include that the components such as pedal, handle, wheel or chain are all complete after folded bicycle 400 shown in Fig. 5 A to 5J via operating It is folded to the accommodation space that front and rear portions vehicle frame is surrounded entirely；It should be noted that the folding sequence of folded bicycle 400 is not with above-mentioned Fig. 5 Illustration be limited.

As shown in Fig. 5 K (including two visual angles), the another form of above-mentioned folded bicycle 400, further includes: be set to front vehicle At least one auxiliary wheel 38 of 33 at least one of them of frame 31 or rear frame, when handle 17 is drawn out, rotatable grip 17 Grip direction, and the luggage type cabinet after folding is towed using at least one auxiliary wheel 38.

The another form of above-mentioned folded bicycle, wherein front frame 31 and rear frame 33 are all for by multiple length mouldings, length Framework type frame structure composed by short frame pipe or length tubing also can constitute folded bicycle after and combination varied by multiple metal plate parts The part of 400 vehicle frames.

The another form of above-mentioned folded bicycle, wherein the first chain 530 and the second chain 560 are chain, belt, tooth One of wheel or transmission shaft.

In conclusion utilizing folded bicycle, fold mechanism provided by various embodiments of the present invention and double-arm crank machine Structure can efficiently solve the problem that well known small folding still has all multiple components exposed after folding, while illustrated by the present invention Components can fully be stored to the forward and backward frame of vehicle frame and be formed by luggage type cabinet by the folding mode of longitudinal and transverse direction, The deep bid disk diameter of the smaller than general commercially available small folding of the disk diameter of the first deep bid and the second deep bid is enabled using the design of secondary chain, so that Folded bicycle provided by the present invention can effectively reduce the car body volume after folding, after the range of the invention to be protected Based on attached claims.

Symbol description

100 fold mechanisms；

10 bowl；11 head tubes restrain part；12 link members；13 wheel single armeds；

The top of 101 bowl；The lower part of 102 bowl；

The first end of 111 head tubes tube bank part；The second end of 112 head tubes tube bank part；

113 hollow short pipes；

The first end of 121 link members；The second end of 122 link members；

The first end of 131 wheel single armeds；The pivot hole of 132 wheel single armeds；

The second end of 133 wheel single armeds；

200 leading assemblies；

14 wheels；15 handles；

300 folded bicycles；

31 front frames；32 hinge joints；33 rear frames；

34 seat cushions；35 seat pipes；

110 first fold mechanisms；

16 front-wheel single armeds；

The first end of 161 front-wheel single armeds；The pivot hole of 162 front-wheel single armeds；

The second end of 163 front-wheel single armeds；

17 handles；18 front-wheels；

120 second fold mechanisms；

26 rear-wheel single armeds；

The first end of 261 rear-wheel single armeds；The second end of 262 rear-wheel single armeds；

27 fold pivots；28 rear-wheels；

400 folded bicycles；

50 5 logical spindle elements；

501 right card holes；511 left card holes；

503 right steps；505 right side bell cranks；

513 Vehicular left pedals；515 left side bell cranks；

520 first deep bids；530 first pass endless chain；540 first flywheels；

550 second deep bids；560 second pass endless chain；570 second flywheels；

38 auxiliary wheels；

60 double-arm cranks；

601 first is long-armed；602 second is long-armed；

611 first galianconism；612 second galianconism；

613 foot pedals；

625 can roll over connecting piece；

630 locking parts.

Claims

1. a kind of fold mechanism for folded bicycle, includes:

Head bowl；

Head tube restrains part；

Wheel single armed；And

Link member；

Wherein, the first end of the top of this bowl and head tube tube bank part is pivotally connected, the lower part of this bowl and the wheel single armed First end pivot joint, the head tube tube bank part second end the wheel single armed is linked to by the link member, make this bowl, the head Double leval jib group is collectively formed in pipe tube bank part, the wheel single armed and the link member；

Wherein, head tube tube bank part is equipped with hollow short pipe, wears for handle, and the handle is made to be linked to head tube tube bank part, The second end of the wheel single armed is for being pivotally connected wheel；

Wherein, the first end pivot joint place of the top of this bowl and head tube tube bank part is rotation pivot, when the handle pushes When driving head tube tube bank part rotation, head tube tube bank part drives the link member to move, which more linkedly drives the vehicle Take turns unilateral arm exercise, make the wheel upwards, the handle synchronously folding downwards, until the head tube tube bank part turn to designated position.

2. a kind of folded bicycle, includes:

Front frame and rear frame, the front frame are connect with the rear frame at least one hinge joint；

First fold mechanism is set to the front side of the front frame, comprising:

Head bowl, head tube tube bank part, front-wheel single armed and link member,

The first end of the top of this bowl and head tube tube bank part is pivotally connected, the lower part of this bowl and the first of the front-wheel single armed The second end of end pivot joint, head tube tube bank part is linked to the front-wheel single armed by the link member, makes this bowl, head tube tube bank Double leval jib group is collectively formed in part, the front-wheel single armed and the link member, wherein and front-wheel is also arranged in the second end of the front-wheel single armed, And first fold mechanism is interconnected by this bowl and the front frame；

Handle is bound to first fold mechanism and restraining part by wearing to the head tube；

Seat cushion and seat pipe；

And

Second fold mechanism is set to the rear side of the rear frame, comprising:

Rear-wheel single armed is mutually pivotally connected between the first end of the rear-wheel single armed and the rear frame via fold pivot, the rear-wheel single armed Second end rear-wheel is also arranged；

When first fold mechanism and second fold mechanism are folded, the front-wheel and the rear-wheel are folded to this by longitudinal respectively The front frame and rear frame is respective is installed with space, what seat pipe decline hiding was contained in the rear frame is installed with space, before this Portion's vehicle frame and the rear frame are using at least one hinge joint as rotation pivot laterally folding Face to face.

3. folded bicycle as claimed in claim 2, further includes:

Five logical spindle elements have right card hole and Zuo Kakong；And

Right side bell crank and left side bell crank, the right side bell crank connect right steps, left side bell crank connection Vehicular left pedal；

Wherein, which is set to the rear frame, which is linked to the right card hole, the left side both arms Include the first deep bid between crank and the left card hole and can roll over connecting piece, with the left side bell crank, first deep bid, this can roll over For connecting piece in conjunction with the sequence of the left card hole, therein this can roll over connecting piece to enable the left side bell crank to roll over above and below.

4. folded bicycle as claimed in claim 3, further includes:

First chain；

First flywheel；And

Second deep bid, the second chain and the second flywheel；

Wherein, which via the first transmission chain link and drives first flywheel, first flywheel and above-mentioned second Rear-wheel single armed and second deep bid of fold mechanism share a concentric shafts, and first flywheel and second deep bid are integrated gearings But with the rear-wheel single armed be not interlock, by first flywheel drive second deep bid via this second transmission chain link And drive second flywheel and the rear-wheel.

5. folded bicycle as claimed in claim 4, wherein the right side bell crank includes to be linked to rolling over for the right card hole Connecting piece, this, which can roll over connecting piece, enables the right side bell crank to roll over above and below.

6. folded bicycle as claimed in claim 4, wherein the right side bell crank includes the lock to be linked to the right card hole Firmware, the locking part make the right side bell crank be fixedly arranged on the right card hole upward.

7. the folded bicycle as described in any one of claim 3~5, it is dismountable Quick-dismantle component that this, which can roll over connecting piece, make this Left side bell crank and the right side bell crank can be respectively from the left card holes and the right card hole disassembly.

8. the folded bicycle as described in any one of claim 4~6, wherein the right steps pass through the first foldable pedal seat It is connected to the either end of the right side bell crank, which is connected to left side both arms song by the second foldable pedal seat The either end of handle, further, which can be by folding with the Vehicular left pedal and receiving to the right side bell crank and is somebody's turn to do The space that left side bell crank is sandwiched, each self-forming plane simultaneously.

9. folded bicycle as claimed in claim 8, when the folded bicycle further folds, wherein the right steps are contained to this The space that right side bell crank is sandwiched keeps the right side bell crank upward, which also stores to the left side both arms The space that crank is sandwiched, and this by the left side bell crank can roll over connecting piece and roll over upwards dynamic, make the left side bell crank Configuration status symmetrical face-to-face and that a flush is collectively formed with the rear frame is presented with the right side bell crank, finally, When the front frame and the rear frame are using at least one hinge joint as rotation pivot laterally folding Face to face, the folding Folded vehicle forms approximate rectangular luggage type cabinet, and intrinsic energy is contained in the space that the luggage type cabinet is surrounded after handle decline In.

10. folded bicycle as claimed in claim 9, also includes: at least one auxiliary wheel, at least one auxiliary wheel are set to The front frame or the rear frame can rotate the grip direction of the handle when pulling out the handle, and using this at least one A auxiliary wheel tows the luggage type cabinet.