CN107140086A - Folding bicycle and folding mechanism and double-arm crank for folding bicycle - Google Patents

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

Fold mechanism and crank the present invention relates to a kind of folded bicycle and for folded bicycle, particularly relate to after folding with The housing formation such as the folded bicycle of trunk type casing of vehicle frame.

Background technology

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

The content of the invention

In order to solve the above problems, the present invention provide a kind of " folded bicycle " and " fold mechanism " for folded bicycle and " double-arm crank ", makes folded bicycle have when deploying and comfortably rides geometry equivalent to general Mountaineering vehicle or highway car, after folding Global approximation is upright, and the especially part such as pedal, handle, wheel or chain is neither exposed, after folding volume with it is commercially available medium and small Type luggage case is close, and equipped with towing bar and auxiliary wheel, and convenient use person goes out portable and storage.

Now by each following 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, bag to the present invention Contain：Head bowl, head tube tube bank part, wheel single armed and link member, wherein, the first end of part is restrained on the top of head bowl with head tube Pivot joint, the bottom of head bowl is pivotally connected with the first end of wheel single armed, and the second end of head tube tube bank part is linked to car through link member Single armed is taken turns, causes a bowl, head tube to restrain part, wheel single armed and link member and be collectively forming double leval jib via the connection of said modules Group.

Another form of above-mentioned fold mechanism, wherein, head tube tube bank part is provided with hollow short pipe, in being arranged in handle 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, the first end pivot joint part for restraining part with the top of head bowl and head tube works as handle for rotation pivot When pushing drive head tube tube bank part and rotating, head tube tube bank part drivening rod part motion, link member more linkedly band motor car wheel single armed Motion, makes that wheel is upward, handle synchronously folding downwards, until head tube tube bank part turns to specified location.

More preferably second embodiment is a kind of folded bicycle to the present invention, is included：Front frame and rear frame, anterior car Frame is connected with rear frame with least one pin joint；First fold mechanism, is arranged at the front side of front frame, including：Head bowl Part, head tube tube bank part, front-wheel single armed and link member, top and the head tube of head bowl restrain the first end pivot joint of part, head bowl Bottom and the first end of front-wheel single armed are 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 Bowl, head tube tube bank part, front-wheel single armed and link member are collectively forming double leval jib group, 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；Combined by wearing to head tube tube bank part To the handle of the first fold mechanism；Seat cushion and seat pipe；And second fold mechanism, the rear side of rear frame is arranged at, including：Afterwards Single armed is taken turns, is mutually pivotally connected via fold pivot between the first end and rear frame of trailing wheel single armed, the second end of trailing wheel single armed is more matched somebody with somebody Provided with trailing wheel；When the first fold mechanism and the second fold mechanism are folded, front-wheel and trailing wheel are longitudinally folded to front portion respectively Vehicle frame and rear frame is respective is installed with space, seat pipe declines the space that is installed with hidden and be contained in rear frame, front frame and rear portion Vehicle frame laterally folding Face to face by rotation pivot of at least one pin joint.

Another form of above-mentioned folded bicycle, in addition to：Five logical spindle elements, with right hole clipping and left hole clipping；And right side is double Arm crank and left side bell crank, right side bell crank connection right steps, left side bell crank connection Vehicular left pedal；Wherein, Five logical spindle elements are arranged at rear frame, and right side bell crank is linked to right hole clipping, between left side bell crank and left hole clipping also Including the first deep bid and connecting piece can be rolled over, according to left side bell crank, the first deep bid, connecting piece and the order knot of left hole clipping can be rolled over Close, connecting piece therein of rolling over is used to make left side bell crank upper and lower can roll over dynamic.

Another form of above-mentioned folded bicycle, in addition to：First chain, the first flywheel, the second deep bid, the second chain and Second flywheel；Further, the first deep bid is connected via the first chain and drives the first flywheel, and the first flywheel and second is folded The trailing wheel single armed of mechanism, the second deep bid three share a concentric shafts, wherein the first flywheel and the second deep bid be one interlock but Not interlocked with trailing wheel single armed, finally, the second deep bid driven by the first flywheel connects via the second chain and drives the Two flywheels and trailing wheel.

Another form of above-mentioned folded bicycle, wherein, right side bell crank includes rolling over link to be linked to right hole clipping Part, can roll over connecting piece makes right side bell crank upper and lower can roll over dynamic.

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

In some other form of above-mentioned folded bicycle, connecting piece can be rolled over for dismountable Quick-dismantle component, make left side both arms Crank can be dismantled from left hole clipping and right hole clipping respectively with right side bell crank.

In some other form of above-mentioned folded bicycle, it is double that right steps are connected to right side by the first foldable pedal seat The either end of arm crank, Vehicular left pedal is connected to the either end of left side bell crank by the second foldable pedal seat, further Ground, the space that right steps can be sandwiched with Vehicular left pedal by folding and receiving 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 also stores what is sandwiched to left side bell crank Space, and folding is dynamic upwards by the connecting piece of rolling over of left side bell crank, make left and right bell crank present it is symmetrical face-to-face and with Rear frame is collectively forming the configuration status of a flush, finally, when front frame with rear frame with least one pin joint During folding Face to face horizontal for rotation pivot, folded bicycle will be caused to form approximate rectangular luggage type casing, and subordinate It can hide and be contained in the space that luggage type casing is surrounded after drop.

The another form of above-mentioned folded bicycle, in addition to：At least one auxiliary wheel of front frame or rear frame is arranged at, When handle is drawn out, the grip direction of rotatable grip, and tow using at least one auxiliary wheel the luggage after folding Formula casing.

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

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, is included：Symmetrically And it is parallel first long-armed and second long-armed；First galianconism, to connect first long-armed and the second long-armed formation U-shaped structure； And second galianconism, the top to connect U-shaped structure；Second galianconism is connected to pedal as foldable pedal seat, Again when folding foldable pedal seat, in the space that pedal can be sandwiched by folding and receiving to U-shaped structure, formed simultaneously The construction package of plane；Wherein, the first galianconism is connected with connecting piece, makes the construction package of foregoing flush can via connecting piece It is incorporated in on folded bicycle.

Another form of above-mentioned double-arm crank mechanism, wherein, connecting piece is can roll over connecting piece, and transmission, which can roll over connecting piece, to be made The construction package of foregoing flush upper and lower can roll over dynamic.

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.

Brief description of the drawings

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

Fig. 2A is combined the leading assembly constituted with handle, wheel by fold mechanism provided by the present invention.

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

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

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

Luggage type casees of Fig. 5 K (1) to Fig. 5 K (4) for folded bicycle of the invention through folding and 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.

Embodiment

Folded bicycle provided by the present invention and fold mechanism and double-arm crank mechanism for folded bicycle will coordinate it More preferably embodiment and be described in detail with reference to the attached drawings it is as follows, including fold mechanism, folded bicycle and double-arm crank composition component, each The explanation of annexation between component and the mode of operation of its folding action, it should thus be appreciated that be that more preferably embodiment is only In order to illustrate the illustration of the present invention and be not used to limit embodiments of the present invention, therefore the spirit based on the present invention is via simple The protection domain that the present invention is advocated should all be belonged to by changing realized creation, while in the equivalency range of the present invention, this is sent out Bright described technical characteristic or technological means are the mode and prior art progress such as simply to combine, modify, replace, convert again Creator, the protection domain that can not all depart from the creation core of the present invention and be advocated.

Effect on more preferably embodiment provided by the present invention, embodiment and technological means can be by following detailed Bright and accompanying drawing is stated to be further understood.

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

Fig. 1 is the fold mechanism 100 provided by the present invention for folded bicycle, is included：Head bowl 10, head tube tube bank part 11st, 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 outward appearance, is used as fold mechanism 100 master units assembled with vehicle frame, centered on head bowl 10, the top 101 of head bowl and head tube are restrained the first end of part 111 pivot joint, the bottom 102 of head bowl and the first end 131 of wheel single armed are pivotally connected, then by head tube tube bank part the second end 112 The pivot hole 132 on wheel single armed is linked to by link member 12, wherein, the first end 121 of link member and head tube restrain the of part Two ends 112 are pivotally connected and the second end 122 of link member and the pivot hole 132 of wheel single armed are pivotally connected, via the company between above-mentioned each part Connect 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 provided with hollow short pipe 113, to make handle The part of hand 15 is be combined with each other with fold mechanism 100 via wearing to hollow short pipe 113, and another portion of fold mechanism 100 Point wheel shaft is linked to by the second end 133 of wheel single armed and combined with wheel 14, via by fold mechanism 100, handle 15 with And after wheel 14 is assembled jointly, the leading assembly 200 as with folder function.

The above-mentioned leading assembly through assembling fold mechanism 100 is represented with continued reference to Fig. 2 B and Fig. 2 C, including Fig. 2A, 2B, 2C 200 in the continuous action mode of the mechanism kinematic process before folding, in folding and after folding：With the top 101 of head bowl and head The pivot joint part of first end 111 of pipe tube bank part is rotation pivot, when handle 15 pushes and drives head tube tube bank part 11 to rotate, head The relative motion of 11 drivening rod part of pipe tube bank part 12, more linkedly band motor car wheel single armed 13 is moved link member 12 so that wheel 14 Upwards, handle 15 until head tube tube bank part 11 turns to specified location and makes handle 15 about present downwards synchronously by folding Untill flat-hand position, so so that wheel 14, which possesses, longitudinal folding function.

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

Referring now to Fig. 3 A, 3B and Fig. 1 is combined, folded bicycle 300, includes shown in Fig. 3 A, 3B：Front frame 31, rear portion car 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 trailing wheel 28 Part, its annexation is as follows：Connected between front frame 31 and rear frame 33 with one or more pin joints 32, first folds Mechanism 110 is arranged at the front side of front frame 31 (close to faucet side), and it includes head bowl 10, head tube tube bank part 11, front-wheel single armed 16 and link member 12, centered on head bowl 10, the first end 111 that the top 101 of head bowl and head tube are restrained into part is pivotally connected, will The head bottom 102 of bowl is pivotally connected with the first end 161 of front-wheel single armed, then the second end 112 that head tube is restrained into part passes through link member 12 are linked to the pivot hole 162 of front-wheel single armed, wherein, the second end 112 that the first end 121 of link member restrains part with head tube is pivotally connected, Cause head bowl 10, head tube tube bank part 11, preceding and the second end 122 of link member and the pivot hole 162 of front-wheel single armed are pivotally connected, after link Wheel single armed 16 and link member 12 are collectively forming 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 with front frame 31, due to head bowl 10 and front frame 31 Junction is rotation pair axially upward, and front-wheel 18 can be turned left and right when deploying folded bicycle 300, when being intended to folding front-wheel 18, It need only operate the double leval jib group of the first fold mechanism 110 can be by front-wheel 18 with longitudinal folding mode folding.

Foregoing folded bicycle 300 also includes：The handle 17 of manipulation is rided, by being worn handle 17 and being fixed on head tube Restrain the hollow short pipe 113 of part 11 and combined with the first fold mechanism 110；Seat cushion 34 and seat pipe 35 to carry personnel, seat Seat pipe 35 is installed with 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 be accorded with Close the riding demand of different figure personnel；And second fold mechanism 120, the rear side of rear frame 33 is arranged at (close to trailing wheel Side), it includes trailing wheel single armed 26 and fold pivot 27, via folding between the first end 261 and rear frame 33 of trailing wheel single armed Pivot 27 is mutually pivotally connected, and the second end 262 extension of trailing wheel single armed is linked to wheel shaft and combined with trailing wheel 28, wherein, fold pivot 27 be longitudinal direction rotation pair with the pivot joint of rear frame 33 part, when being intended to folding trailing wheel 28, need only operate the second fold mechanism 120 Fold pivot 27 can be by trailing wheel 28 with longitudinal folding mode folding.

Hold, reference picture 3C, 3D, 3E, represent that the above-mentioned folded bicycle 300 through assembling the continuous of mechanism during folding is moved Make mode：When the first fold mechanism 110 and the second fold mechanism 120 are folded, front-wheel 18 and trailing wheel 28 are respectively by " longitudinal direction " It is folded to front frame 31 and rear frame 33 is respective is installed with space, seat pipe 35 is declined into Tibetan thereafter is contained in rear frame 33 Be installed with space and seat cushion 34 be close to the upper limb of rear frame 33 (such as Fig. 3 C), front frame 31 with rear frame 33 with one or Multiple pin 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 Store (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 including transmission system and The folded bicycle 400 of foot section parts, in addition to the parts 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 540th, the second deep bid 550, the second chain 560 and the second flywheel 570, its annexation are as follows：Five logical spindle elements 50 are set In rear frame 33 close to the bottom of the side of one or more pin joints 32, there are right hole clipping 501 and left hole clipping 511 in its two ends respectively (such as Fig. 3 A, 3B), right side bell crank 505 is linked to right hole clipping 501, and is pressed from both sides between left side bell crank 515 and left hole clipping 511 Be equipped with the first deep bid 520 and with it is as shown in Figure 6 roll over connecting piece 625 and wear be linked to left hole clipping 511, foregoing foot-operated component Five logical spindle elements are bound to left side bell crank 515, the first deep bid 520, the order that can roll over connecting piece 625 and left hole clipping 511 In 50 left hole clipping 511, connecting piece 625 can be rolled over also to make left side bell crank 515 upper and lower can roll over dynamic (such as Fig. 6 B), wherein Left side bell crank 515 is also connected with Vehicular left pedal 513, right side bell crank 505 and 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 as shown in fig. 4 a and 4b, drives the double of left and right side when trampling left and right pedal When arm crank is operated, via the rotation of the deep bid 520 of left side bell crank 515 and first, power is passed by the first chain 530 The first flywheel 540 is handed to, then the operating of the second deep bid 550 is driven 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, by the rotation of the second flywheel 570 is come after driving Wheel 28 is operated；It should be noted that the operation of drive disk assembly of the folding part and rear-wheels power of the second fold mechanism 120 is independent of one another , the trailing wheel single armed 26 of the first flywheel 540 and the second fold mechanism 120, the three of the second deep bid 550 share a concentric shafts, wherein First flywheel 540 and the second deep bid 550 are that one is interlocked, and the flywheel 540 of fold pivot 27 and first and the second deep bid 550 are shared Identical axle center, but trailing wheel single armed 26 is only sheathed on the outer layer of aforementioned concentric axle, therefore the folding of trailing wheel single armed 26 and the first flywheel 540th, the transmission of the second deep bid 550 it is non-interference, also not with interlocking 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 " is referred to：Because the disk footpath of the first deep bid 520 is more than the disk footpath of the first flywheel 540, thus using the first deep bid 520 with Disk footpath difference between first flywheel 540 reaches effect of 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 are one and interlocked, the first flywheel 540 and second maintain 1 between deep bid 550:1 power output, the second deep bid 550 drives second further through the second chain 560 Flywheel 570 is operated, and recycles the disk footpath difference between the second deep bid 550 and the second flywheel 570 to reach effect of second of speedup, Wherein, because the second flywheel 570 is fixed on trailing wheel 28, therefore power continues in this and is unceasingly passed to trailing wheel 28.

The disk footpath ratio of both such as the first deep bid 520 and the first flywheel 540 is 2:1, and the second deep bid 550 and the second flywheel 570 both disk footpath ratios are 3:When 1, after secondary speedup, total speedup effect is 6:1, trample drive first in riding It when deep bid 520 rotates one and enclosed, will make it that the second flywheel 570 linkedly rotates six circles, therefore can to trample drive vehicle body forward Dynamic efficiency lifts as many as six times, also to trample more laborsaving, but still is not limited with above-mentioned illustrated disk footpath ratio, from can be through Rational speedup effect is obtained by properly configuring, finally, compared to the single deep bid of conventional arrangement and the folding of single chain Folded car, also has the excellent of the storage volume that can reduce after folding concurrently using the folded bicycle of secondary speedup using two groups of small size fluted discs Point.

Now it is further described below for the mechanism composition of the foot section of folded bicycle 400：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 pedal is separately presented in Fig. 6, for the ease of saying Bright, Fig. 6 only individually represents that the right side bell crank 505 for including right steps 503 includes the left side both arms of Vehicular left pedal 513 Crank 515 and the parts for making the connection component that arranged on left and right sides bell crank and five logical spindle elements 50 connect.

The double-arm crank mechanism 60 of both 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 forming for connecting first long-armed 601 and second long-armed 602, and for being connected Second galianconism 612 on the top of U-shaped structure, as shown in Figure 6A, it is long-armed that the two 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 pedal 613 can by folding or expansion, As illustrated in Fig. 6 A (1) and Fig. 6 A (2), it is located in U-shaped structure and sandwiches pedal 613 in space by deployed condition such as Manner of execution shown in Fig. 6 A (1) to folding state as shown in Fig. 6 A (2), when pedal 613 is accommodated to U-shaped structure by folding Double team space when, 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 car 400 will not interact interference when folding with adjacent other parts generation mechanisms.

The double-arm crank 60 of both sides is respectively by the connection of respective first galianconism 611 and at least one connection assembly It is incorporated in in the arranged on left and right sides hole clipping of five logical spindle elements 50 of folded bicycle 400 shown in Fig. 4, foregoing connection assembly includes two kinds Embodiment, one is fixed and can not roll over, secondly fix and can roll over, it is right for the embodiment illustrated in Fig. 6 A The double-arm crank 60 of side is fixed in the right side hole clipping 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 hole clipping of five logical spindle elements 50 of folded bicycle 400 with that can roll over connecting piece 625, reference picture 6B crank folding operation is understood, wherein only the double-arm crank 60 in left side is because use can roll over connecting piece 625 and causes crank Part can be dynamic by upper and lower folding, but right side double-arm crank 60 because by the locking part 630 without folding extension mechanism It is fixed and make it that crank section is limited in direction upward, on 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 embodiments 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 Outside the embodiment that crank 60 can not be rolled over, it can also simply replace connection assembly and the double-arm crank 60 in left side to lock Another embodiment that firmware 630 is fixed and can not rolled over, the double-arm crank 60 on right side is fixed and can rolled over can roll over connecting piece 625, With the mode of above-mentioned replacement connection assembly, 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 again Person is all to roll over, and with the double-arm crank 60 of the fixed arranged on left and right sides of locking part 630 embodiment such as make both all to roll over.

In some embodiments of folded bicycle 400, connecting piece 625 can be rolled over for dismountable Quick-dismantle component so that left side is double Arm crank 515 can be disassembled down from the left hole clipping 511 and right hole clipping 501 of five logical spindle elements 50 respectively with right side bell crank 505 Come so that the replacing of crank is more convenient, in addition, if the pedal 613 of Fig. 6 A and 6B as shown in it is in addition to folding storage, It can use Quick-dismantle component that is easy to disassemble and installing that pedal is bound into crank, therefore some in folded bicycle 400 implement shapes In state, left side bell crank 515 and right side bell crank 505 be dismountable, and Vehicular left pedal 513 and right steps 503 Also all it is demountable.

Now illustrate the folding operation that vehicle is complete with the folded bicycle 400 shown in Fig. 4 A and 4B, and compares figure 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 the original state that folded bicycle 400 is fully deployed and is available for riding, with the order of the folding of folded bicycle 400 For, the first step, first trample the pedal of arranged on left and right sides make right side bell crank 505 and left side bell crank 515 all about with The parallel alignment of seat pipe 35 (shown in such as Fig. 5 B (1) and Fig. 5 B (2))；Second step, respectively by the folding storage of right steps 503 to the right side Side bell crank 505, the folding storage of Vehicular left pedal 513 are to left side bell crank 515 (such as Fig. 5 C (1) and Fig. 5 C (2) shown in)；The Three steps, the upward folding by that can roll over connecting piece 625 makes the left side reflexed of bell crank 515 upwards and the fixed right side locked 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 The pedal and bell crank for obtaining both sides are spatially collectively forming a flush with rear frame, non-interference each other, also do not have There is the problem of parts are exposed, be conducive to reducing the overall volume of vehicle after the folding of folded bicycle 400；4th step, holds handle 17 Push ahead and push the first fold mechanism 110 of rotation to drive leading assembly 200 to rotate, make handle 17 under, front-wheel 18 upper lifts inwardly synchronously rotate (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 Trailing wheel 28 is subject to folding by axle 27, through this folding so that front-wheel 18 and trailing 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), it was found from Fig. 5 E to 5F operation, due to Folded bicycle 400 constitutes transmission system using two-part chain, so when trailing wheel 28 is by longitudinal folding, the first chain 530 It can't be come off with the second chain 560 because of folding, therefore the related parts of transmission system also can be stored effectively.

5th step, by seat pipe 35 decline hide be contained in rear frame 33 be installed with space and seat cushion 34 is close to rear frame 33 upper limbs (shown in such as Fig. 5 G (1) and Fig. 5 G (2))；6th step, by front frame 31 and rear frame 33 with one or more hinges Contact 32 is that rotation pivot " transverse direction " is subject to folding Face to face, causes folded bicycle 400 is formed approximate rectangular through this folding Luggage type casing (shown in such as Fig. 5 H (1) and Fig. 5 H (2))；Finally, lift handle 17 folded bicycle 400 erects, with handle 17, as the grip of luggage type casing, handling and the carrying handle (shown in such as Fig. 5 I (1) and Fig. 5 I (2)) towed, are intended to the folding through folding When folded car 400 is stored or deposit, after can handle 17 be declined and Tibetan is contained in the space (such as Fig. 5 J) that luggage type casing is surrounded；It is comprehensive It is upper described, after folded bicycle 400 shown in Fig. 5 A to 5J via operating, the parts such as pedal, handle, wheel or chain will have been included all complete The receiving space that front and rear portions vehicle frame is surrounded is folded to entirely；It should be noted that the folding order 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, in addition to：It is arranged at anterior car At least one auxiliary wheel 38 of frame 31 or at least one of which of rear frame 33, when handle 17 is drawn out, rotatable grip 17 Grip direction, and tow using at least one auxiliary wheel 38 the luggage type casing after folding.

The another form of above-mentioned folded bicycle, wherein, front frame 31 is all by multiple length mouldings, length with rear frame 33 The framework type frame structure that short frame pipe or length tubing are constituted, 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 power transmission shaft.

In summary, folded bicycle, fold mechanism and the double-arm crank machine provided using various embodiments of the present invention Structure, can efficiently solve known small roll in still there is the problem of all multiple components are exposed after folding, while illustrated in the present invention Longitudinal direction and horizontal folding mode can fully store parts the luggage type casing formed to the forward and backward framework of vehicle frame, The disk footpath of the first deep bid and the second deep bid is made to be smaller than the deep bid disk footpath of general commercially available small folding 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 scope 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 bottom of 102 bowl；

111 head tubes restrain the first end of part；112 head tubes restrain the second end of part；

113 hollow short pipes；

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

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

Second end of 133 wheel single armeds；

200 leading assemblies；

14 wheels；15 handles；

300 folded bicycles；

31 front frames；32 pin 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；

Second end of 163 front-wheel single armeds；

17 handles；18 front-wheels；

120 second fold mechanisms；

26 trailing wheel single armeds；

The first end of 261 trailing wheel single armeds；Second end of 262 trailing wheel single armeds；

27 fold pivots；28 trailing wheels；

400 folded bicycles；

50 5 logical spindle elements；

501 right hole clippings；511 left hole clippings；

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 pedals；

625 can roll over connecting piece；

630 locking parts.

Claims (10)

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 that part is restrained in the top of this bowl with the head tube is pivotally connected, the bottom of this bowl and the wheel single armed First end pivot joint, the head tube tube bank part the second end the wheel single armed is linked to by the link member, make this bowl, the head Pipe tube bank part, the wheel single armed and the link member are collectively forming double leval jib group；

Wherein, head tube tube bank part is provided with hollow short pipe, and it wears for handle, and the handle is linked to head tube tube bank part, Second end of the wheel single armed is used to be pivotally connected wheel；

Wherein, the first end pivot joint part that part is restrained in the top of this bowl with the head tube is rotation pivot, when the handle is pushed When driving head tube tube bank part rotation, head tube tube bank part drives the link member to move, and the link member more linkedly drives the car Take turns unilateral arm exercise, make the wheel upwards, the handle downwards synchronously folding, until the head tube tube bank part turn to specified location.

2. a kind of folded bicycle, includes：

Front frame and rear frame, the front frame are connected with the rear frame with least one pin joint；

First fold mechanism, is arranged at the front side of the front frame, including：

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

The first end that part is restrained in the top of this bowl with the head tube is pivotally connected, the bottom of this bowl and the first of the front-wheel single armed End pivot joint, the second end of head tube tube bank part is linked to the front-wheel single armed by the link member, makes this bowl, head tube tube bank Part, the front-wheel single armed and the link member are collectively forming double leval jib group, wherein, the second end of the front-wheel single armed also arranges front-wheel, And first fold mechanism is interconnected by this bowl and the front frame；

Handle, first fold mechanism is bound to by wearing to head tube tube bank part；

Seat cushion and seat pipe；

And

Second fold mechanism, is arranged at the rear side of the rear frame, including：

Trailing wheel single armed, is mutually pivotally connected between the first end of the trailing wheel single armed and the rear frame via fold pivot, the trailing wheel single armed The second end also arrange trailing wheel；

When first fold mechanism and second fold mechanism are folded, the front-wheel and the trailing wheel are folded to this by longitudinal direction respectively The front frame and rear frame is respective is installed with space, the seat pipe decline hide be contained in the rear frame be installed with space, before this Portion's vehicle frame and the rear frame laterally folding Face to face by rotation pivot of at least one pin joint.

3. folded bicycle as claimed in claim 2, in addition to：

Five logical spindle elements, with right hole clipping and left hole clipping；And

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

Wherein, the five logical spindle element is arranged at the rear frame, and the right side bell crank is linked to the right hole clipping, the left side both arms Include the first deep bid between crank and the left hole clipping and can roll over connecting piece, with the left side bell crank, first deep bid, this can roll over Connecting piece is combined with the order of the left hole clipping, and therein this can roll over connecting piece to enable the upper and lower folding of the left side bell crank dynamic.

4. folded bicycle as claimed in claim 3, in addition to：

First chain；

First flywheel；And

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

Wherein, first deep bid connects via first chain and drives first flywheel, first flywheel and above-mentioned second Trailing wheel single armed and second deep bid of fold mechanism share a concentric shafts, and first flywheel and second deep bid are integral gearings But not interlock with the trailing wheel single armed, second deep bid driven by first flywheel is connected via second chain And drive second flywheel and the trailing wheel.

5. folded bicycle as claimed in claim 4, wherein, the right side bell crank is included to be linked to rolling over for the right hole clipping Connecting piece, this, which can roll over connecting piece, enables the upper and lower folding of the right side bell crank dynamic.

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

7. the folded bicycle as any one of claim 3~5, this can roll over connecting piece for dismountable Quick-dismantle component, make this Left side bell crank and the right side bell crank can be respectively from the left hole clippings and the right hole clipping dismounting.

8. the folded bicycle as any one of claim 4~6, wherein, the right steps pass through the first foldable pedal seat The either end of the right side bell crank is connected to, it is bent that the Vehicular left pedal is connected to the left side both arms by the second foldable pedal seat The either end of handle, further, the right steps and the Vehicular left pedal by folding and can be accommodated to the right side bell crank and this 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 is further folded, wherein the right steps are contained to this The space that right side bell crank is sandwiched, keeps the right side bell crank upward, and the Vehicular left pedal is also stored 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 folding is dynamic upwards, make the left and right bell crank Configuration status symmetrical face-to-face and that a flush is collectively forming with the rear frame is presented, finally, when the front frame is with being somebody's turn to do Rear frame is by rotation pivot of at least one pin joint during horizontal folding Face to face, and the folded bicycle forms approximate rectangular Intrinsic energy is contained in the space that the luggage type casing is surrounded after the luggage type casing of shape, and handle decline.

10. folded bicycle as claimed in claim 9, also includes：At least one auxiliary wheel, at least one auxiliary wheel is arranged at The front frame or the rear frame, when pulling out the handle, can rotate the grip direction of the handle, and using this at least one Individual auxiliary wheel tows the luggage type casing.