CN2276453Y

CN2276453Y - Folding multifunction bicycle

Info

Publication number: CN2276453Y
Application number: CN 96211443
Authority: CN
Inventors: 郑国军
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-05-27
Filing date: 1996-05-27
Publication date: 1998-03-18
Anticipated expiration: 2006-05-27

Abstract

The utility model relates to a folding multifunctional bicycle, particularly a tricycle. The utility model comprises wheels, a bicycle frame, a handlebar, a saddle, a carriage, a driving mechanism, etc., and is characterized in that the bicycle frame and the carriage are respectively provided with a hinge coupling gear, the inner of a carriage frame is provided with a pull rod mechanism, a rear carriage is provided with an adjusting supporting mechanism, and the utility model is also provided with the driving mechanism in a lever ratchet type, etc., so as to cause the bicycle to have the advantage of convenience for folding, assembly and disassembly. The folding multifunctional bicycle can be combined into a stepped carriage, a passenger transport carriage, a sealed carriage, a lengthened carriage, a table and a stool, and can also carry out double-person driving, so as to achieve the purposes of fast speed, labor saving, simple structure, light weight and one bicycle with multiple functions. The utility model is suitable to be used by various people, particularly old people, and is more suitable for people having a crowded household room and living in buildings.

Description

Multifunctional foldable bicycle

The utility model relates to a kind of multifunctional foldable bicycle, adapts to tricycle especially.

At present, Folding Bicycle is declared a lot of of patent, and as patent of invention, application number is 931215668, and this patent function is a lot, but the position of complex structure, transformation is many, makes and use difficulty.And for example, the patent No. is 932289002, and this patent structure is simple, though railway carriage can fold, function is few, can not reach the purpose that a car is used more.For this reason:

The utility model provides a kind of can freely fold, roll over dress conveniently, can be combined into ladder railway carriage, passenger traffic railway carriage, sealing railway carriage, lengthening railway carriage, desk, stool etc. again, and can carry out two multifunction bicycles that drive.

The utility model is achieved in that a kind of multifunctional foldable bicycle, it comprises wheel, vehicle frame, handlebar, vehicle seat, railway carriage, parts such as transmission device, its major technique feature is, at

bicycle car beam

3,4 with axis central siphon 7, on the upright beam 11, hinge coupling mechanism 5 is installed, 6, at railway carriage 16, between 19, on the vehicle frame tail end supporting base 23, hinge coupling mechanism 17 also is housed, 22, latching device is respectively arranged in each mechanism, supporting base 23 1 semifixed an end bottom of railway carriage 16, second half is being located an end bottom of railway carriage 19, in 16 two side box plates of railway carriage skeleton up and down, drag link mechanism is housed, on railway carriage 19, be equipped with and adjust supporting device 21, at railway carriage 16, movable hand rail 14 respectively is equipped with in both sides, 19 top, 15,18, movable hand rail 15 and the double stool of doing of energy, with portable plate 24, a cover lever ratchet-type transmission device 13 is installed again on this bicycle in the railway carriage.

Hinge coupling mechanism feature is: pedestal hinge coupling mechanism 5,6, and preceding 5 is a kind of custom designes, it comprises wears pin 5 _a, it can pass joint piece 5 _e, 5 _hOn two holes 5 _d, 5 _gWith turn the axle 3 _a, vertical shaft 5 _fOn two holes, and with pad 5 _b, spring cotter 5 _cLock, turn axle 3 _aIt and car beam 3 are connected, vertical shaft 5 _fBe welded on joint plate 5 _jOn, diaxon joint piece 5 _e, 5 _hCarry out activity and link joint plate 5 _jThe slotted plate washer of one end just in time blocks and turns axle 3 _aThe termination, the joint piece 5 on the other end and the upright beam 11 _iBe connected; Pedestal hinge coupling mechanism 6 is hinge coupling mechanisms of a kind of bilateral bearing removable pin shaft type, and it comprises two hollow bodies 6 _cWith pin shaft hole 6 _b, double support 6 _d, self-locking type bearing pin 6 _a, joint piece 4 _a Pin uranium hole 4 with the top _b, joint piece 4 _aBe connected double support 6 with car beam 4 _dOne end two hollow bodies 6 of ining succession _c, the other end axis central siphon 7 of ining succession, self-locking type bearing pin 6 _aPass

pin shaft hole

6 _b, 4 _bMake car beam 4 and two hollow bodies 6 _cBe connected as a single entity, and can self-locking.Connection by above two kinds of hinge coupling mechanisms, can make bicycle forebody handlebar 1, rim brake 2, front-wheel,

car beam

3,4 etc. and the axis central siphon 7 at bicycle middle part, upright beam 11, vehicle seat 12, vehicle frame 8 etc., be movable the binding, can fix again, be one, again can be flexible be divided into two bodies.Pin type

hinge coupling mechanism

17,22, it comprises the union body 17 of the band pin shaft hole that is attached at two railway carriage upper ends _a, 17 _a', 17 _c, 17 _c' (also can on the skeleton of railway carriage upper end directly lead plug axis hole), self-locking type bearing pin 17 _b, 17 _b', by passing pairing hole, just can be two

railway carriages

16,19 movable being connected as a single entity in top of portion both sides at one end, and can lock (do not have on this blocking device figure and show), railway carriage 19 can also be rotated around its bearing pin, fold with railway carriage 16, function such as combination, demolition, another to coupling mechanism 23 with last identical.The hinge coupling mechanism 6 of bilateral bearing removable pin shaft type can also adopt single support set pin shaft type hinge coupling mechanism, is characterized in bearing pin 6 _aCan be fixed on the hollow body 6 on the one-sided bearing _cOn, make joint piece 4 _aCan be through bearing pin 6 from a side _aOn, and can center on bearing pin 6 _aRotate, also can from the free slippage of a side or locking (this kind pattern figure does not have demonstration).

The structure of hinge coupling mechanism 5,6 is seen accompanying drawing 9, accompanying drawing 10, they not only adapt to tricycle, also adapt to two wheel bicycles, cause two wheel bicycles are simple in structure, so do not give an actual example,

hinge coupling mechanism

17,23, adjust constructional features such as supporting device 21, vehicle frame tail end supporting base prop up 23,

railway carriage

16,19 and not only adapt to tricycle, also adapt to other dilly that has railway carriage, as motor-driven, electro-tricycle etc., be that example is illustrated only in this manual, please continue to see their feature with the tricycle.

Railway carriage drag link mechanism feature: drag link mechanism 27,27 _a, 27 _b, 27 _c, 28,28 _a, 28 _b, 28 _cCan in the skeleton of railway carriage 16, slide arbitrarily, elongate or shorten, also can be hidden in the skeleton, also can penetrate in the corresponding skeleton of railway carriage 19, the every movable lock pin 27 that the pull bar termination has pin to connect _a, 27 _c, 28 _a, 28 _c, latching device (do not have on the figure and show) is all arranged on the skeleton of each railway carriage termination.

Adjust the supporting device feature: adjust supporting device (21), comprise the thick hollow stem 21 of symmetry _a, adjusting lever 21 is housed in its inside _b, this bar again can be 21 _aIn slide and fix, length is adjustable, there is tightening screw 21 another termination of this bar _c, by union lever 21 _dTwo adjusting levers are combined as a whole set pin 21 _eBe contained on the both sides skeleton of railway carriage 19 front end downsides, make being attached on the railway carriage 19 of adjustment supporting device activity, and can be rotated around set pin, after moving in railway carriage 19 rotations, the binding rod end of adjusting supporting device is stuck on the vehicle frame tail end supporting base 23, make to be fixed on relative position after moving in railway carriage 19 rotation, change adjusting lever 21 _bExtension elongation, can change railway carriage 19 rotation rear-inclined angles.

Railway carriage handrail feature:

railway carriage handrail

14,15,18, their integral structure is through the side box plate top (do not have on the pin figure and show) of each railway carriage with pin, can fold, launch, lay down, can be stuck in after the expansion on the railway carriage armrest support 25,26, railway carriage handrail 15 is equipped with pull bar 15 _a, portable plate is housed, above that when drawing back handrail 15 _aBe stool, share and be handrail.

Rack characteristic: travel(l)ing rest 10 is housed on vehicle frame 8, spring 10 is arranged on the support 10 _a, can rise support in the time of by bike, tension is risen by spring, can prop up on the ground when stopping the back dismounting.

Lever ratchet-type transmission device feature: it is mounted on railway carriage 16 right sides bottom and the vehicle frame 8, and this car is except having traditional foot-operated sprocket-type transmission device, and this is sets of transmission mechanism that increase more, and it comprises, handle 13 ₁With the lever 13 that is enclosed within the inside ₂, fixed active joint 13 with lock is equipped with in this lever top ₃, 13 ₃Again with connecting rod 13 ₄Become to flexibly connect, make connecting rod 13 ₄Can easily be locked in 13 ₃Go up or lay down connecting rod 13 ₄By active joint 13 ₅Again with lever 13 ₇Become to flexibly connect lever 13 ₇On stretcher 13 is housed ₈, at fixed hinge bearing 13 ₆On adorning lever 13 ₇, this bearing 13 ₆Be contained on the vehicle frame; One lever 13 ₂Be contained in fixed hinge bearing 13 ₉On, its bearing 13 ₉Also be contained on the vehicle frame lever 13 ₂The other end by active joint 13 ₁₀With connecting rod 13 ₁₁Be connected connecting rod 13 ₁₁By active joint 13 ₁₂With rocking bar 13 ₁₃Become to flexibly connect rocking bar 13 ₁₃The other end is contained in ratchet 13 ₁₄On, ratchet 13 ₁₄Be enclosed within transmission shaft 13 ₁₅Go up and be captive joint, transmission shaft 13 ₁₅ Power wheel 13 is equipped with in the centre ₁₆, another side is equipped with this bearing, bearing seat, linkage frame etc. (nothing demonstration figure on) of constraint, power wheel 13 ₁₆By messenger chain (or band) 13 ₁₇ Flywheel 13 with the back ₁₈Link to each other flywheel 13 ₁₈Be contained in axletree 13 ₁₉On, axletree 13 ₁₉Be fixed on wheel 13 again ₂₀On.

More than be single cover lever ratchet-type transmission device, also can be at transmission shaft 13 ₁₅The other end load onto another set of from (13 _1-14) members such as lever, ratchet, the device of constraint transmission shaft be located between the two cover members, constitute two cover lever ratchet-type transmission devices, reach alternation, promote transmission shaft 13 jointly ₁₅, power wheel 13 ₁₆Rotation together reaches the purpose that promotes vehicle ' at last; In order to simplify the internal structure of an organization, can save foot-operated drive disk assembly (13 _3-8), only with manually or only saving manual components (13 with foot-propelled _1-9); Can also allow rocking bar 13 ₁₃Directly be fixed on transmission shaft 13 ₁₅On, save ratchet 13 ₁₄, by the flywheel 13 of back ₁₈Ratchet effect also can, perhaps save rocking bar 13 again ₁₃, allow connecting rod 13 ₁₁The power wheel that directly promotes to match rotates, and connecting rod is by pulley bearing, and the relation of power wheel and connecting rod can be a pinion and-rack, also can be the form of phase mutual friction, and this is lever flywheel-type transmission device (do not have on the above form figure and show).These several conversion patterns all belong to the category of lever ratchet-type transmission device, and their common feature all is the crank motion of lever to be become ratchet is step to rotatablely move.

This transmission device working process is: when driving handle 13 ₁When moving reciprocatingly, drive lever 13 ₂Also move reciprocatingly, by fixed hinge bearing 13 ₉, active joint 13 ₁₀Drivening rod 13 ₁₁, active joint 13 ₁₂, rocking bar 13 ₁₃Also move reciprocatingly rocking bar 13 ₁₃The other end is installed in ratchet 13 ₁₄On, by ratchet 13 ₁₄ Effect rocking bar 13 ₁₃Crank motion become transmission shaft 13 ₁₅Intermittence rotatablely move because handle 13 ₁Constantly moving reciprocatingly, making lever 13 ₂, rocking bar 13 ₁₃Also constantly reciprocating, force ratchet 13 ₁₄Constantly effect, thereby make transmission shaft 13 ₁₅Also constantly generation intermittently rotatablely moves, and the work that goes round and begins again like this makes transmission shaft 13 ₁₅Reach rotatablely moving of complete cycle.Transmission shaft 13 ₁₅One rotation will drive power wheel 13 ₁₆Also rotate, again by chain (or band) 13 ₁₇ Drive flywheel 13 ₁₈Rotate, at last by axletree 13 ₁₉ Drive wheel 13 again ₂₀Also rotate, reach the purpose of bicycle running.Foot-operated drive disk assembly is by treadling 13 ₈ Drive lever 13 ₇Move reciprocatingly, by fixed hinge bearing 13 ₆, active joint 13 ₅ Drivening rod 13 ₄, the locking active joint 13 ₃Also move reciprocatingly, thereby drive lever 13 ₂Also reciprocating, following principle of work narration is the same.As need not ride drive disk assembly the time, locking active joint 13 ₃On blocking device unclamp connecting rod 13 ₄Just break away from easily, make it lose connection, foot-operated parts disabler.This transmission device is simple in structure, utilizes lever principle very laborsaving again, and it also can use as transmission device separately.

In order further to describe clear above-mentioned feature, now be illustrated in conjunction with the accompanying drawings:

Accompanying drawing 1 is the utility model structural representation;

Accompanying drawing 2 is the utility model ladder railway carriage functional schematics;

Accompanying drawing 3 is that the utility model visitor uses the railway carriage functional schematic;

Accompanying drawing 4 is the utility model sealing railway carriage, desk, stool functional schematic;

Accompanying drawing 5 is the utility model disassembling function scheme drawings;

Accompanying drawing 6 is the utility model lengthening railway carriage functional schematics;

Accompanying drawing 7 is the utility model pull bar railway carriage functional schematics;

Accompanying drawing 8 is the utility model lever ratchet-type transmission device scheme drawings;

Accompanying drawing 9 is structural representations of the utility model hinge coupling mechanism 6;

Accompanying drawing 10 is structural representations of the utility model hinge coupling mechanism 5.

The sample car of the utility model manufacturing is: the front and back wheel diameter is 500 millimeters, and car body is long 2100 millimeters, and car body is wide 750 millimeters, and the car body height is 800 millimeters, is 300 millimeters apart from ground when railway carriage is minimum, and other structure as previously mentioned.

When using the ladder railway carriage, from accompanying drawing 1 position, the self-locking type bearing pin 17 of hinge coupling mechanism 17 _b, 17 _b' lock pin remove flatly, unclamp its latching device (do not have to show on the figure, below identical) simultaneously, bearing pin 17 _b, 17 _b' extract, lay down together with railway carriage 19.Then, again bearing pin 17 _b, 17 _b' be through on the hinge coupling mechanism 22 on the vehicle frame tail end supporting base 23 its bearing pin 17 together with railway carriage 19 _b, 17 _b' lock pin rotate an angle by deadweight, prevent that bearing pin from coming off, reach the purpose of bearing pin self-locking, during installation, the handrail 18 on railway carriage both sides should first folded inward or is laid down, and pins latching device at last and gets final product.Two up and down of the railway carriages of this three-

wheel vehicle

16,19 minutes, the gap card upper mobile board 24 that its diff-H produces, this car has just possessed ladder railway carriage function, sees shown in the accompanying drawing 2.This functional adaptation draws the elderly, patient or other to be uneven and carries the weight of inconvenience.

When using the passenger traffic railway carriage, from accompanying drawing 1 position (following identical), unclamp its latching device earlier, lift railway carriage 19 and rotate up, this railway carriage is around bearing pin 17 _b, 17 _b' be rotated, when rotating to correct position, move adjustment cramp bar 21 integral body and be rotated down, make it have connecting rod 21 _bAn end be placed on the vehicle frame tail end supporting base 23, and locking (figure on nothing demonstration) then, is opened railway carriage rearing-box plate 20 again, and with rearing-box plate cramp bar 20 _aFix its position, get final product at 19 li cards of railway carriage upper mobile board 24 at last, as shown in Figure 3.This functional adaptation is solicited guests or diners, and promptly safety is comfortable again, also can mix hood and use (do not have on the figure and show).

When use folds railway carriage, unclamp its latching device earlier, lift railway carriage 19 around bearing

17 _b, 17 _bBehind ' the Rotate 180 °,, hang up properly hook (do not have on the figure and show), just become folding railway carriage promptly with preceding railway carriage 16 overlaids.As portable plate 24 being stuck in the opening part of two railway carriages, this folding railway carriage has become the sealing railway carriage again, and it can prevent dust, windproof, rainproof, against sunshine, adapts to the article that the sealing of delivery needs is transported.Should also have a function by folding railway carriage, after two railway carriages are folding, the bottom surface of its railway carriage 19 up, it can be used as stand again and use, as drawing back railway carriage handrail 15 again _a, stool has promptly been arranged again, provide convenience to tour in the field, amusement, have a meal etc. like this, as shown in Figure 4.Note, adjust cramp bar 21 this moment and should put down (do not have on this point diagram and show).

When using the demolition function, earlier support 10 is propped, then, extract the bearing pin 5 on the hinge coupling mechanism 5 _a, extract the self-locking type bearing pin 6 on the hinge coupling mechanism 6 again _a, at this moment to move car beam 3 and upwards one carry,

car beam

3,4 is laid down by integral body together with the front portion of car, sees shown in the accompanying drawing 5, and the time, its reversed in order during installation when not needing to lay down, was extracted two bearing pins 5 in 10 seconds _aWith 6 _aThe time, rotate car beam 3, the front portion of this car just can be whole around vertical shaft 5 _fCarry out left rotation and right rotation, reach the purpose (do not have on this point diagram and show) that collapses short vehicle body with back heavy.Rear portion railway carriage 19 folds or lays down as previously mentioned, and like this, a three-wheel vehicle promptly can fold and can lay down and be divided into three parts.As lay down, the weight and volume of car is separated, as this sample car, its length is 2100 millimeters, can shorten to 1050 millimeters, and the shortening degree reaches 1/2, and the every part of its weight average has only tens kilograms.In addition, the folding device of this car is characterized in that owing to adopt the hinge coupling mechanism easy accessibility, rapid is flexibly used pin type fixing and locking safety again.Therefore, this car adapts to the relatively more crowded room of family, and particularly building more adapts to, and the elderly uses also very convenient.

When using the lengthening railway carriage, lay down railway carriage 19 as previously mentioned, extract the mechanism 27,27 of the pull bar in railway carriage 16 skeletons then _a, 27 _b, 27 _c, 28,28 _a, 28 _b, 28 _c, and in the corresponding skeleton that is through railway carriage 19, and lock latching device (do not have on the figure and show), can obtain the railway carriage that extends like this, as shown in Figure 6, the article that this functional adaptation transportation is long.

When using the pull bar railway carriage, lay down railway carriage 19 as previously mentioned, extract before the drag link mechanism institute describedly then, do not load onto railway carriage 19 get final product, as shown in Figure 7, its adapts to transports some special articles.

During the two driving of use function, principle of work and structure are as described in accompanying drawing 8 and the front, it can become foot-operated the driving and be manual drives, the more important thing is that by bus the people also can help to drive, also can two people's driven, reach and replace the purpose of having a rest, also can two people drive simultaneously, reach the purpose of speedup, this mechanism has utilized the mechanics principle of lever, and is light laborsaving during use.

Occur in the accompanying drawing 5., 6., ,

With the 5,6,13,17, the 21st of accompanying drawing 1, identical big parts, so in the process of this explanation, not mentioned zero symbol.

The utility model is simple in structure, and it is few to change parts, and cost is low, and functional utilization rate height has reached the purpose that a car is used more.

Claims

1, a kind of multifunctional foldable bicycle, it comprises wheel, vehicle frame, handlebar, vehicle seat, railway carriage, parts such as transmission device, its major technique feature is at bicycle car beam (3), (4) with axis central siphon (7), on the upright beam (11), hinge coupling mechanism (5) is installed, (6), in railway carriage (16), (19) between, on the vehicle frame tail end supporting base (23), hinge coupling mechanism (17) also is housed, (22), latching device is respectively arranged in each mechanism, supporting base (23) one semifixed an end bottom of railway carriage (16), second half is being located an end bottom of railway carriage (19), in (16) two side box plates of railway carriage skeleton up and down, drag link mechanism is housed, on railway carriage (19), be equipped with and adjust supporting device (21), in railway carriage (16), (19) movable hand rail (14) respectively is equipped with in the both sides, top, (15), (18), movable hand rail (15) and the double stool of doing of energy, with portable plate (24), a cover lever ratchet-type transmission device (13) is installed again on this bicycle in the railway carriage.

2, multifunctional foldable bicycle according to claim 1 is characterized in that hinge-coupled mechanism (5), is a kind of pedestal hinge-coupled mechanism of custom design, and it comprises wears pin (5 _a), it can pass joint piece (5 _e), (5 _h) on two holes (5 _d), (5 _g) and turn axle (3 _a), vertical shaft (5 _f) on two holes, and with pad (5 _b), spring cotter (5 _c) lock, turn axle (3 _a) it and car beam (3) be connected vertical shaft (5 _f) be welded on joint plate (5 _j) on, diaxon joint piece (5 _e), (5 _h) carry out activity and link gusset piece (5 _j) the slotted plate washer of an end just in time block turn the axle (3 _a) the termination, the joint piece (5 on the other end and the Li Liang (11) _i) be connected.

3, multifunctional foldable bicycle according to claim 1, it is characterized in that hinge coupling mechanism (6), can be the hinge coupling mechanism of bilateral bearing removable pin uranium formula, also can be that bearing pin is fixed on the single support set pin shaft type hinge coupling mechanism that has only on the one-sided bearing.

4, multifunctional foldable bicycle according to claim 1 is characterized in that lever ratchet-type transmission device (13), and it comprises handle (13 ₁) and be enclosed within the inside lever (13 ₂), fixed active joint (13 with lock is equipped with in this lever top ₃), (13 ₃) again with connecting rod (13 ₄) become to flexibly connect, make connecting rod (13 ₄) can easily be locked in (13 ₃) go up or lay down connecting rod (13 ₄) by active joint (13 ₅) again with lever (13 ₇) become to flexibly connect lever (13 ₇) on stretcher (13 is housed ₈), at fixed hinge bearing (13 ₆) on lever (13 is housed ₇), this bearing (13 ₆) be contained on the vehicle frame lever (13 ₂) be contained in fixed hinge bearing (13 ₉) on, its bearing (13 ₉) also be contained on the vehicle frame lever (13 ₂) the other end by active joint (13 ₁₀) and connecting rod (13 ₁₁) be connected connecting rod (13 ₁₁) by active joint (13 ₁₂) and rocking bar (13 ₁₃) become to flexibly connect rocking bar (13 ₁₃) other end is contained in ratchet (13 ₁₄) on, ratchet (13 ₁₄) be enclosed within transmission shaft (13 ₁₅) on, transmission shaft (13 ₁₅) the middle power wheel (13 that is equipped with ₁₆), another side is equipped with this bearing, bearing seat, linkage frame etc. of constraint, power wheel (13 ₁₆) by chain or band (13 ₁₇) with the flywheel (13 of back ₁₈), axletree (13 ₁₉), wheel (13 ₂₀) link to each other.

5, according to claim 1 or 4 described multifunctional foldable bicycles, it is characterized in that lever ratchet-type transmission device can be single cover lever ratchet-type, also can be two cover lever ratchet-types, can also be the lever flywheel-type.

6, multifunctional foldable bicycle according to claim 1 is characterized in that drag link mechanism (27), (27 _a), (27 _b), (27 _c), (28), (28 _a), (28 _b), (28 _c) can in its skeleton, slide arbitrarily, elongate or shorten, also can be hidden in the skeleton, also can coorespondingly be through in the skeleton of railway carriage (19), and latching device is arranged.

7, multifunctional foldable bicycle according to claim 1, it is characterized in that adjusting supporting device (21) is that the rod member (21 that can adjust or fix its length is arranged _a), (21 _b), tightening screw (21 _c), set pin (21 _e) form, there is union lever (21 centre _d) be connected, they can center on set pin (21 _e) be rotated, and can support the fixedly postrotational relative position of railway carriage (19).

8, multifunctional foldable bicycle according to claim 1, it is characterized in that railway carriage handrail (14), (15), (18), their integral structure is through the side box plate top of each railway carriage with pin, can fold, launch, lay down, can be stuck in after the expansion on railway carriage armrest support (25), (26), railway carriage handrail (15) is equipped with pull bar (15 _a), portable plate is housed, when drawing back handrail (15 above that _a) be stool, share and be handrail.

9, multifunctional foldable bicycle according to claim 1 is characterized in that travel(l)ing rest (10) is housed on the vehicle frame (8), and support has spring (10 on (10) _a).