CN101890998A - Portable bicycle with small-diameter wheel capable of being vertically folded - Google Patents
Portable bicycle with small-diameter wheel capable of being vertically folded Download PDFInfo
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- CN101890998A CN101890998A CN 201010209503 CN201010209503A CN101890998A CN 101890998 A CN101890998 A CN 101890998A CN 201010209503 CN201010209503 CN 201010209503 CN 201010209503 A CN201010209503 A CN 201010209503A CN 101890998 A CN101890998 A CN 101890998A
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Abstract
The invention discloses a portable bicycle with a small-diameter wheel capable of being vertically folded. The portable bicycle comprises a front wheel, a rear wheel, a bicycle frame, a handle frame, a bicycle seat, a front Y-type pipe, a rear Y-type pipe and a power device, wherein the handle frame consists of a handle vertical pipe and a handle transverse pipe; the power device is used for driving the wheels to rotate; the bicycle frame is an upright triangular frame and comprises an inclined frame front pipe, an inclined frame rear pipe and a transverse frame lower pipe which form three angles which are hinged with one another; the front Y-type pipe and the handle frame are connected to the lower part and the upper part of a frame front angle consisting of the frame front pipe and the frame lower pipe respectively; the rear Y-type pipe is connected with a frame rear angle consisting of the frame rear pipe and the frame lower pipe; the bicycle seat is positioned at the top angle of the triangular bicycle frame; the frame lower pipe consists of a front lower pipe and a rear lower pipe which are hinged with each other; and the hinged point of the front lower pipe and the rear lower pipe is positioned in the middle of the frame lower pipe. The bicycle is folded vertically, so the bicycle has the advantages of convenient folding operation, a few folding actions, small volume after being folded and portability.
Description
Technical field
The present invention relates to a kind of bicycle, specifically be meant the portable bicycle that a kind of steamboat footpath can be vertically folded.
Background technology
Bicycle is a kind of vehicle of energy-conserving and environment-protective, and it once was one of main vehicle in China town and country.At present, along with the development of economy and technology, four-wheeled vehicle, track traffic become the main vehicle of people's trip already in the city, still, along with mankind's activity to increasing the weight of day by day that the earth pollutes, make the townie bicycle that originally fades out gradually begin to obtain people's favor again.Yet, because the density of population in city is increasing and the quickening of rhythm of life, make people more favor in small, portable bicycle, this bicycle is except being applicable to in-plant travelling, be specially adapted to the block use that public transport does not cover, as travelling between subway station or bus stop and dwelling house or the working place, carry the bicycle of small portable, can after having utilized main automobile traffic instrument, continue to use bicycle relaxedly and rapidly to arrive the destination.Collapsible bicycle can be divided into laterally folded bicycle and vertically folded bicycle by the difference of its folding mode in the prior art.Wherein, the fold mechanism of laterally folded bicycle need be provided with the folded box latching device, and laterally with the stack of two-wheeled convergence, action is many when folding and opening, firmly big, time is long, and the car body after folding is still bigger, and lateral dimension is also bigger, because the big folding bicycle in general wheel footpath all adopts laterally folded mode, though this causes having reduced parking space behind the bicycle folding, but still there are the difficulty of beginning a new line, the shortcoming that inconvenience is carried.
China ZL2008200929338 discloses a kind of simple and easy vertically folded bicycle, the medium footpath of taking turns, the middle part of vehicle frame has the rotary folding device, the rotary folding device directly is fixedly installed in the two ends of five-way, the trailing wheel of folded bicycle can be folded forward in the facade rotation, realize the vertically folded of bicycle.Though can dwindle the longitudinal size of bicycle behind this folded bicycle rotary folding, its weak point is: the rigidity and the intensity of vehicle frame are bad, have both influenced onboard capabilities, influence the stability and the comfort level of riding again; In addition, the lateral dimension after this folding bicycle is folding is still excessive, and it is more to take up room, and is difficult to portable.
China ZL2007100379681 discloses a kind of small wheel-diameter folding bicycle, adopt small size wheel footpath, vehicle frame is the duplex four-bar linkage, wherein preceding standpipe, rear profile tube, following connecting leg and slide block constitute the agent structure of vehicle frame, effect by slide block, the body of pulling vehicle frame reaches each component part of vehicle frame and shrinks folding effect.Though this bicycle adopts the volume behind the small wheel-diameter folding less, be easy to carry, but its folding operation is very inconvenient, and jackknife action is too much, wastes time and energy when folding, in addition, because the restriction of foldable structure causes vehicle seat and handle spacing less, after center of gravity is inclined to one side, it is more painstaking to ride, the comfort that influence is ridden.
In addition, bicycle is for improving the comfort level ride, and what reduce that bicycle is easier to produce in the process of moving jolts, and the design of additional cushions on vehicle frame is arranged.The bumper of existing bicycle generally adopts compression spring to be installed between the back vent and Che Zhongguan of vehicle frame, also have between the back vent that is installed in vehicle frame and the saddle tube, these two kinds of shock-damping structures or use are on non-folding of bicycle, perhaps use on laterally folded bicycle, be not suitable on the vertically folded bicycle.A kind of twofold damping bicycle is disclosed as Chinese ZL2007200357940, vehicle frame is provided with spring damper, belong to aforesaid first kind of shock-damping structure, this vehicle frame adopts laterally folded mode, its shortcoming is the restriction that is subjected to shock-damping structure, volume behind the bicycle folding is bigger, has only reduced the longitudinal length of bicycle a little, is difficult to portable.In addition, this bicycle is sacrificed the intensity and the rigidity of vehicle frame for realizing shock-absorbing function, influences the service life of car load, and actual damping effect is also undesirable.
Summary of the invention
One of purpose of the present invention provides portable bicycle or the Electrical Bicycle that a kind of steamboat footpath can be vertically folded, and this bicycle adopts vertically folded, and folding operation is convenient, and jackknife action is few, and the volume after folding is little, is easy to carry.
This purpose of the present invention realizes by following technical solution: the portable bicycle that a kind of steamboat footpath can be vertically folded, it comprises front-wheel, trailing wheel, vehicle frame, by handle riser and handle rack that transverse tube is constituted, vehicle seat, front fork tube, the engine installation that back breeches pipe and drive wheels are rotated, it is characterized in that: described vehicle frame is upright triangular framing, it comprises the preceding pipe of vehicle frame of oblique setting, the down tube of pipe and horizontally set behind the vehicle frame of oblique setting, three angles that constituted are and are articulated and connected, front fork tube and handle rack are connected to the below and the top at the vehicle frame anterior angle place of preceding pipe of described vehicle frame and down tube formation, back breeches pipe then with described vehicle frame after pipe be connected with the vehicle frame relief angle place of down tube formation, vehicle seat then is positioned at the drift angle place of triangle frame; Described down tube is made of pipe under preceding pipe down that is hinged and the back, the hinge-point of pipe is positioned at the middle part of down tube under the preceding Guan Yuhou down, so that make down tube before described vehicle frame is turned up and made in the hinged place, middle part, manage and vehicle frame after pipe vertically folded thereupon at the drift angle place of vehicle frame, thereby realize the vertically folded gathering of vehicle frame.
Cycle frame of the present invention adopts upright triangular frame structure, be that pipe constitutes leg-of-mutton two hypotenuses behind preceding pipe of vehicle frame and the vehicle frame, down tube is leg-of-mutton base, this helps making bicycle structure in the process of moving firm, and has a good load-carrying capacity, and the folding operation of vehicle frame only needs the left side with down tube, lift the back hinged place of pipe down, and catch vehicle seat to mention vehicle frame, just can make a left side, back pipe down is vertically folded, pipe vertically gathering synchronously behind preceding pipe of vehicle frame and the vehicle frame, two-wheeled is closed up, folding operation is convenient, and jackknife action is few, and the car body after folding is also very little, institute takes up space little, is easy to carry.
Steamboat described in the present invention directly refers to wheel diameter between 13cm～20cm, and promptly the industry takes turns to 8 cun wheels for general alleged 6 cun.
Vehicle frame should adopt lightweight intensity good material is made among the present invention, is preferably aluminum alloy materials, magnesium alloy materials and carbon fibre material, so that alleviate the weight of car body, makes bicycle be more convenient for carrying.
Before of the present invention down pipe and back upper end that wherein any pipe can be set at the place of being hinged in the pipe down extend to another pipe the upper end at least above the retainer at jointed shaft position, this retainer is used to stop forward and backward pipe down folding downwards, make can only make progress complications and can not be tortuous of forward and backward down pipe downwards, flatness and rigidity when strengthening the down tube stretching, extension.
Engine installation of the present invention can be the sprocket wheel footstep mechanism, when the present invention adopts the sprocket wheel footstep mechanism as engine installation, foot-operated sprocket wheel is installed in the articulated structure place of down tube, foot-operated sprocket shaft can be coaxial with the jointed shaft of pipe under preceding pipe down and the back, the part that is articulated and connected of rod-short also can be set, before making down pipe and back down pipe be hinged on the two ends of the part that is articulated and connected respectively, foot-operated sprocket shaft then is installed in the middle part of the part that is articulated and connected, simultaneously, before the two ends of the described part that is articulated and connected all have prevention, the back is the retainer of the downward folding of pipe down, flatness and rigidity when stretching to strengthen down tube.
Engine installation of the present invention also can be a motor-driven mechanism.When the present invention adopted motor-driven mechanism as engine installation, described motor-driven mechanism was installed on the back breeches pipe, and motor drives trailing wheel by belt-driving or chain gear and rotates.
Engine installation of the present invention also can be the combination of above-mentioned two kinds of engine installations, has both contained the sprocket wheel footstep mechanism, contains motor-driven mechanism again, and the rider can choose as required flexibly.
The present invention is in order to make the bicycle folding operation more convenient, can do following further improvement: anterior angle and relief angle place at described vehicle frame are provided with a power-assisted torsion spring respectively, one end of the power-assisted torsion spring that described anterior angle place and relief angle place are provided with acts on the below of pipe under preceding pipe down and the back respectively, provide a moment of torsion that makes progress to pipe under preceding pipe down and the back, so that when the user picks up bicycle saddle, described power-assisted torsion spring just can be turned up down tube automatically, manage behind pipe and the vehicle frame before the vehicle frame relies on the effect of gravity to collapse thereupon, thereby realize that vehicle frame is vertically folded, only need an action just can finish the gathering of bicycle, folding operation is simpler, faster.
The present invention can also do following improvement: for strengthening the structural strength of vehicle frame, described vehicle frame can also increase in the vehicle frame between the hinge-point at described vehicle frame drift angle and down tube middle part of vertical setting manages, the top of pipe is set with hinged ear and is used for before the vehicle frame hinged at the drift angle place of pipe behind the pipe and vehicle frame in the described vehicle frame, the lower end is set with slide hinged ear, this slide hinged ear can slide up and down along pipe in the vehicle frame, the bottom of pipe fixedly installs and is useful on the supporting parts that stops slide hinged ear to be deviate from the described vehicle frame, before the vehicle frame behind pipe and the vehicle frame pipe by respectively with described hinged ear hinged, pipe and back are managed down and are hinged with described slide hinged ear respectively under before described, and vehicle seat then is fixed in the described vehicle frame and manages the top.If the bicycle engine installation is the sprocket wheel footstep mechanism, then foot-operated sprocket shaft is installed in the described vehicle frame manages the lower end, also plays simultaneously to prevent that slide hinged ear from deviating from the supporting parts effect of pipe in the vehicle frame.
The present invention can also further do following improvement: in the described vehicle frame pipe on being positioned at hinged ear below be set with upper magnetic ring, the top of described slide hinged ear is set with down magnet ring, described upper magnetic ring and following magnet ring magnetic attracting behind vehicle frame folding.The present invention is provided with above-mentioned magnetic ring component, can not open voluntarily after bicycle is drawn in, improves safety.
Two of purpose of the present invention is on the basis of foregoing invention purpose, further increase the shock-absorbing function of bicycle, because steamboat footpath bicycle is relatively more responsive to the road surface of injustice, only rely on the tire damping to be difficult to satisfy the high request of modern to the cycling comfort level, therefore, the damping effect that improves bicycle also becomes important.
Two of purpose of the present invention can realize by following measure: have at least a pipe to adopt the bumper structure in the pipe under described preceding pipe down and the back, has certain flexibility by the down tube flexible vehicle frame that makes slightly, can reduce the sense of jolting of the vehicle seat at vehicle frame drift angle place effectively, reach the ride effect of comfort level of damping and increase.
Forward and backward pipe down in the down tube of the present invention both can adopt the array mode of single rigid pipe and bumper, also can all adopt the array mode of bumper, pipe is bumper under promptly preceding pipe down and the back, this double damping structure can more effectively be subdued the vibrations of jolting, damping effect is desirable more, can also finely tune the bicycle quick wheelbase, so that the error that causes in the manufacturing process error of elimination part or the fitting process.
In order to make bumper more be suitable for use of the present invention, adopt following follow-on bumper: described bumper comprises damping tube, decoupling rod, interior pipe and damper element, wherein, interior Guan Yiduan sealing, one end is captiveed joint with decoupling rod and is constituted an inner chamber, in the described inner chamber damper element is housed, pipe and most of decoupling rod insert in the damping tube in described, described decoupling rod and interior pipe bonded assembly one end are the inner of decoupling rod, have a chute of radially opening that is parallel to the decoupling rod axis from decoupling rod the inner, being provided with one in the chute can axially movable slide block, the side of slide block is fixed on the damping tube by attaching parts, slide block is provided with sliding bar near the end face at the inner place of decoupling rod, the front end of this sliding bar has a piston piece, be used for contacting with the damper element of inner chamber, when described decoupling rod under the effect in external force and described damping tube take place when mobile in opposite directions, give damper element by the piston piece on the slide block with force transmission, utilize the elasticity of damper element to absorb energy, thereby the cushioning effect of playing, the outer end that described decoupling rod is relative with damping tube is equipped with hinge hole.
Described decoupling rod with described in the captiveing joint both can adopt and be threaded of pipe, also can adopt other conventional fixed forms, as weld fixing, perhaps flush fit socket etc.Bump takes place and produces noise in the chute bottom surface for fear of described slide block and stroke terminal, and the elastomer block damping and silencing can be set in the chute bottom surface, and elastomer block can be selected rubber block for use.
Vibration absorption unit of the present invention can adopt air bag to constitute air bumper, and described air bag has appendix, and pipe and damping tube in this appendix passes are provided with inflation inlet outside the damping tube tube wall, so that can mend for air bag/exit, regulates the pressure in the air bag.
Vibration absorption unit of the present invention can also adopt compression spring to constitute spring damper, the present invention can also do following improvement: be located at a spring adjustment seat at the closed end place of interior pipe, this spring adjustment seat is provided with the adjusting bolt, regulating bolt is threaded with the Closed End of interior pipe, bolt is regulated in rotation can change the axial location of spring adjustment seat in interior pipe, can be in order to regulate the compression spring degree of compression.
Compared with prior art, the present invention has following remarkable result:
(1) vehicle frame of the present invention adopts upright triangular frame structure, and structure is not only simplified but also firm, has good load-carrying capacity, and vehicle frame can vertically draw in simultaneously, and jackknife action is few, and folding operation is simple and efficient, and the volume after folding is little, is convenient to portable.
(2) the present invention has simple firm body frame structure for automotive, helps adopting light-duty framing member and lightweight material, to alleviate vehicle frame weight as much as possible, so that make the bicycle portable more light.
(3) down tube of the present invention can adopt single bumper or double damping structure so that subdue the vibrations of jolting that occur in the bicycle running process effectively, make ride more comfortable.Can also finely tune the bicycle quick wheelbase, so that the error that causes in the manufacturing process error of elimination part or the fitting process.
(4) the present invention can be provided with the auto-folder that a pair of power-assisted torsion spring is realized down tube on vehicle frame, and manage and collapse thereupon behind pipe and the vehicle frame before the drive vehicle frame, thereby realize the auto-folder of vehicle frame, only need an action of picking up vehicle seat just can finish the gathering of bicycle, folding operation is simpler, faster.
(5) the present invention both had been applicable to foot-operated type of drive, was applicable to motor drive mode again, but also both array modes can satisfy the needs that people ride instead of walk, can satisfy the needs of people's exercise again, and was widely applicable, versatile and flexible.
Description of drawings
Below in conjunction with the drawings and specific embodiments the present invention is described in further details.
Fig. 1 is the integral structure scheme drawing of the portable electric two-wheel car with shock-absorbing function that the embodiment of the invention one steamboat footpath can be vertically folded;
Fig. 2 is the integral structure figure after Fig. 1 folds;
Fig. 3 is the preceding integral structure figure of the bumper of pipe down among Fig. 1;
Fig. 4 is the back integral structure figure of the bumper of pipe down among Fig. 1;
Fig. 5 is the A-A cutaway view of Fig. 4;
Fig. 6 is the integral structure scheme drawing of the portable bicycle with shock-absorbing function that the embodiment of the invention two steamboats footpath can be vertically folded;
Fig. 7 is the integral structure figure after Fig. 6 folds;
Fig. 8 is the secondary drive mechanism scheme drawing that steamboat is driven a vehicle without leave among Fig. 6;
Fig. 9 is the integral structure scheme drawing of another structure of portable electric two-wheel car with shock-absorbing function that the embodiment of the invention three steamboats footpath can be vertically folded;
Figure 10 is the integral structure figure after Fig. 9 folds;
Figure 11 is the integral structure scheme drawing of another structure of portable bicycle with shock-absorbing function that the embodiment of the invention four steamboats footpath can be vertically folded;
Figure 12 is the integral structure figure after Figure 11 folds;
Figure 13 is the integral structure scheme drawing of the portable electric bicycle with shock-absorbing function that the embodiment of the invention five steamboats footpath can be vertically folded;
Figure 14 is the integral structure figure after Figure 13 folds;
Figure 15 is the drive mechanism scheme drawing of steamboat footpath Electrical Bicycle among Figure 13.
Description of reference numerals
1, front-wheel; 2, front fork tube; 3, preceding standpipe; 4, handle riser; 5, transverse tube;
6, pipe before the vehicle frame; 7, vehicle seat; 8, manage behind the vehicle frame; 9, preceding hinged ear;
10, power-assisted torsion spring; 11, preceding pipe down; 11a, retainer; 12, manage down the back;
13, the hinged ear in back; 14, wheel hub motor; 14a, motor flywheel; 14b, motor wheel hub;
15, sprocket wheel; 16, the motor ear that is spirally connected; 17, back breeches pipe; 18, trailing wheel;
18a, hind axle; 19, pedal; 20, control capsule; 21, decoupling rod;
21a, hinge hole; 22, rubber block; 23, bolt; 24, slide block;
25, sliding bar; 26, chute; 26a, chute bottom surface; 27, the place that is spirally connected;
28, piston piece; 29, interior pipe; 30, air bag; At the bottom of 30a, the air bag;
31, valve; 32, damping tube; 32a, hinge hole; 33, appendix;
33a, inflation inlet; 34, compression spring; 35, spring adjustment seat; 36, regulate bolt;
37, the part that is articulated and connected; 38, central siphon; 39, foot-operated; 40, drive sprocket;
40a, drive sprocket axle; 41, driving chain wheel; 41a, transmission flywheel;
42, one-level sprocket wheel; 43, secondary sprocket wheel; 44, manage in the vehicle frame; 45, slide hinged ear;
46, go up hinged ear; 47, upper magnetic ring; 48, following magnet ring; 49, filler ring;
The specific embodiment
Embodiment one
As Fig. 1 can be vertically folded to a kind of steamboat shown in Figure 5 footpath the portable electric two-wheel car with shock-absorbing function, it comprises front-wheel 1, trailing wheel 18, vehicle frame, by handle riser 4 and handle rack that transverse tube 5 is constituted, vehicle seat 7, front fork tube 2, the engine installation that back breeches pipe 17 and drive wheels are rotated, handle riser 4 is inserted on the preceding standpipe 3, front fork tube 2 also is inserted on the preceding standpipe 3, and be connected with handle riser 4, vehicle frame is upright triangular framing, it comprises the preceding pipe 6 of vehicle frame of oblique setting, the down tube of pipe 8 and horizontally set behind the vehicle frame of oblique setting, three angles that constituted are and are articulated and connected, be that pipe 8 constitutes leg-of-mutton two hypotenuses behind preceding pipe 6 of vehicle frame and the vehicle frame, before the vehicle frame behind pipe 6 and the vehicle frame pipe 8 be chevron shaped after hinged, down tube is leg-of-mutton base, front fork tube 2 and handle rack are connected to the below and the top at the vehicle frame anterior angle place of preceding pipe 6 of vehicle frame and down tube formation, pipe is connected with the vehicle frame relief angle place of down tube formation behind 17 of back breeches pipes and the vehicle frame, and 7 of vehicle seats are positioned at the drift angle place of triangle frame; Down tube is made of pipe 12 under preceding pipe 11 down that is hinged and the back, the preceding front end of pipe 11 down is hinged on the preceding hinged ear 9, the back rear end of pipe 12 down is hinged on the hinged ear 13 in back, before down pipe 11 and back down pipe 12 be hinged hinge-point be positioned at the middle part of down tube, so that make down tube before the hinged place, middle part is turned up and made vehicle frame, manage and vehicle frame after pipe vertically folded thereupon at the drift angle place of vehicle frame, thereby realize the vertically folded gathering of vehicle frame.
The folding operation of vehicle frame only need lift at the hinged place of pipe a left side, the back of down tube down in the present embodiment, and catches vehicle seat to mention vehicle frame, and it is vertically folded that a left side, back are managed down, and pipe is vertical synchronously behind pipe and the vehicle frame before the vehicle frame draws in, two-wheeled is closed up get final product.
Steamboat directly refers to wheel diameter between 13cm～20cm in the present embodiment, and promptly the industry takes turns to 8 cun wheels for general alleged 6 cun.Vehicle frame should adopt lightweight intensity good material is made among the present invention, is preferably aluminum alloy materials, magnesium alloy materials and carbon fibre material, so that alleviate the weight of car body, makes bicycle be more convenient for carrying.
Before in the present embodiment down pipe 11 and back down in the pipe 12 the place of being hinged is provided with before down the upper end of pipe 11 extend to and manage 12 upper end under the back at least above the retainer 11a at jointed shaft position, this retainer 11a is used to stop forward and backward down pipe folding downwards, makes forward and backward pipe down can only make progress complications and complications downwards.Before equally also can pipe 12 upper end extends under the back down the upper end of pipe 11 above the jointed shaft position retainer is set at least.
Engine installation in the present embodiment is a motor-driven mechanism, identical with the motor-driven mechanism of battery-driven car in the prior art, it comprises control capsule 20 and wheel hub motor 14, control capsule 20 and wheel hub motor 14 all adopt conventional device, control capsule 20 and wheel hub motor 14 are installed on the back breeches pipe 17, control capsule 20 control wheel hub motor actions, wheel hub motor 14 is connected with the hind axle of trailing wheel 18 by sprocket wheel 15, driving trailing wheel 18 rotates, also be provided with pedal 19 on preceding standpipe 4, pedal 19 is provided with the brake facing of control brake.Wheel hub motor 14 also can be connected with trailing wheel 18 by belt.
Present embodiment is provided with a power-assisted torsion spring 10 respectively at the anterior angle and the relief angle place of vehicle frame, one end of the power-assisted torsion spring 10 that anterior angle place and relief angle place are provided with is separately fixed on preceding hinged ear 9 and the hinged ear 13 in back, pipe 11 and back are managed 12 below down under before the other end acts on respectively, provide a moment of torsion that makes progress to pipe 12 under preceding pipe 11 down and the back, so that when the user picks up bicycle saddle, this just can turn up down tube automatically to power-assisted torsion spring 10, manage 8 before the vehicle frame behind pipe 6 and the vehicle frame relies on the effect of gravity to collapse thereupon, thereby realize that vehicle frame is vertically folded, only need an action just can finish the gathering of bicycle.
Preceding pipe 11 down in the present embodiment and back pipe 12 down are the bumper structure, what manage 11 employings down wherein is air bumper, as shown in Figure 3, this air bumper comprises damping tube 32, decoupling rod 21, interior pipe 29 and damper element, wherein, the sealing of interior pipe 29 1 ends, one end is captiveed joint with decoupling rod 21 and is constituted an inner chamber, damper element is housed in the inner chamber, interior pipe 29 and most of decoupling rod 21 insert in the damping tubes 32, decoupling rod 21 and interior pipe 29 at the place of being spirally connected 27 by being threaded, bonded assembly one end is the inner of decoupling rod 21, have a chute of radially opening 26 that is parallel to the decoupling rod axis from decoupling rod the inner, chute bottom surface 26a is provided with elastomeric rubber block 22 damping and silencings, being provided with one in the chute 26 can axially movable slide block 24, the side of slide block 24 is fixed on the damping tube 32 by two bolts 23 as attaching parts, slide block 24 is provided with sliding bar 25 near the end face at the inner place of decoupling rod, the front end of this sliding bar 25 has a piston piece 28, be used for contacting with the damper element of inner chamber, when decoupling rod under the effect in external force 21 and damping tube 32 generations are mobile in opposite directions, give damper element by the piston piece on the slide block 24 28 with force transmission, utilize the elasticity of damper element to absorb energy, thereby the cushioning effect of playing, decoupling rod 21 and damping tube 32 relative outer ends are equipped with hinge hole 21a, 32a.
The vibration absorption unit of this air bumper is an air bag 30,30a has valve 31 at the bottom of the air bag of air bag 30, air bag 30 also has the appendix 33 that connects with valve 31, pipe 29 and damping tube 32 in this appendix 33 passes, outside damping tube 32 tube walls, inflation inlet 33a is set, so that can be air bag 30 benefit/venting, regulate the pressure in the air bag 30.
What the back was managed 12 employings down is spring damper, as Fig. 4, shown in Figure 5, this spring damper and air bumper difference shown in Figure 3 are that the vibration absorption unit of spring damper is a compression spring 34, simultaneously be located at a spring adjustment seat 35 at the closed end place of interior pipe 29, this spring adjustment seat 35 is provided with regulates bolt 36, regulating bolt 36 is threaded with the Closed End of interior pipe 29, bolt 36 is regulated in rotation can change the axial location of spring adjustment seat 35 in interior pipe 29, can be in order to regulate the degree of compression of compression spring 34.
The array mode of the forward and backward employing of the pipe down bumper in the pipe under the frame in the present embodiment, this double damping structure can more effectively be subdued the vibrations of jolting, damping effect is desirable more, can also finely tune the bicycle quick wheelbase, so that the error that causes in the manufacturing process error of elimination part or the fitting process.Forward and backward pipe down in the down tube also can adopt the array mode of single rigid pipe and bumper.
The captiveing joint both can adopt and be threaded of decoupling rod and interior pipe in the present embodiment also can adopt other conventional fixed forms, as weld fixing, perhaps flush fit socket etc.
The structure of the vehicle frame in the present embodiment and the structure of bumper may be used on also can being applied in the various battery-driven cars in the ordinary bicycle equally.
Embodiment two
As Fig. 6 can be vertically folded to steamboat shown in Figure 8 footpath the portable bicycle with shock-absorbing function, different with embodiment one is, the engine installation of this portable bicycle is the sprocket wheel footstep mechanism, be provided with in the middle of the pipe 12 under preceding down pipe 11 and the back respectively with preceding pipe 11 down and back under the pipe 12 pivotallys attached part 37 that is articulated and connected, the part 37 that is articulated and connected has retainer, before making, the back is can only make progress complications and can not be tortuous downwards of pipe down, the be articulated and connected middle part of part 37 has the central siphon 38 that drive sprocket 40 is installed, pedal 39 is installed on the drive sprocket axle 40a of drive sprocket 40, driving chain wheel 41 is installed on the back breeches pipe 17, driving chain wheel 41 has transmission flywheel 41a, the drive mechanism of sprocket wheel footstep mechanism adopts the secondary chain sprocket drive, be that drive sprocket 40 is connected with the transmission flywheel 41a of driving chain wheel 41 by one-level sprocket wheel 42, driving chain wheel 41 is connected with the hind axle 18a of trailing wheel 18 by secondary sprocket wheel 43, and the application force of pedal 39 drives trailing wheel 18 by the secondary chain sprocket drive and rotates.
Drive sprocket in the present embodiment is as foot-operated sprocket wheel, the wheel shaft of drive sprocket can be coaxial with the jointed shaft of pipe under preceding pipe down and the back, the part that is articulated and connected of rod-short also can be set, before making down pipe and back down pipe be hinged on the two ends of the part that is articulated and connected respectively, drive sprocket axle then is installed in the middle part of the part that is articulated and connected, simultaneously, the two ends of the part that is articulated and connected all have the retainer that stops forward and backward pipe down to be rolled over downwards, flatness and rigidity when stretching to strengthen down tube.
Embodiment three
As Fig. 9, steamboat shown in Figure 10 footpath can be vertically folded the portable electric two-wheel car with shock-absorbing function, different with embodiment one is, vehicle frame also increases in the vehicle frame between the hinge-point at vehicle frame drift angle and down tube middle part of vertical setting manages 44, pipe 44 top is set with hinged ear 46 and is used for managing behind the pipe 6 and vehicle frame before the vehicle frame 8 hinged at the drift angle place in the vehicle frame, the lower end is set with slide hinged ear 45, this slide hinged ear 45 can slide up and down along pipe in the vehicle frame, the bottom of pipe 44 fixedly installs and is useful on the supporting parts that stops slide hinged ear to be deviate from the vehicle frame, this supporting parts is foot-operated 19, foot-operated identical with among the embodiment one, before the vehicle frame behind pipe 6 and the vehicle frame pipe 8 by hinged with last hinged ear 46 respectively, pipe 12 is hinged with slide hinged ear 457 respectively under preceding pipe 11 down and the back, and vehicle seat then is fixed on pipe 44 tops in the vehicle frame.
In the vehicle frame pipe 44 on being positioned at hinged ear 46 below be set with upper magnetic ring 47, the top of slide hinged ear 45 is set with down magnet ring 48, upper magnetic ring 47 and following magnet ring 48 magnetic attracting behind vehicle frame folding can not opened the raising safety after bicycle is drawn in voluntarily
Embodiment four
As Figure 11, steamboat shown in Figure 12 footpath can be vertically folded the portable bicycle with shock-absorbing function, different with embodiment three is that the bicycle engine installation is the sprocket wheel footstep mechanism, and the lower end of pipe 44 is installed with filler ring 49 in vehicle frame.Sprocket wheel footstep mechanism among this embodiment is identical with sprocket wheel footstep mechanism among the embodiment two, and the drive mechanism of sprocket wheel footstep mechanism is the secondary chain sprocket drive.
Embodiment five
As Figure 13 can be vertically folded to steamboat shown in Figure 15 footpath the portable electric bicycle with shock-absorbing function, this embodiment is the combination of embodiment three and embodiment four, its vehicle frame and embodiment three, embodiment four is all identical, just the bicycle engine installation is the motor-driven mechanism among the embodiment three and the combination of the two kinds of engine installations of sprocket wheel footstep mechanism among the embodiment four, its motor-driven mechanism comprises control capsule 20 and wheel hub motor 14, wheel hub motor 14 has motor flywheel 14a and motor wheel hub 14b, motor wheel hub 14b is connected with the hind axle 18a of trailing wheel 18 by secondary sprocket wheel 43, when using the motor-driven mechanism drive wheels to rotate, motor flywheel 14a idle running, the motor wheel hub 14b that rotates by wheel hub motor 14 drives trailing wheel 18 rotations.Drive sprocket 40 in its sprocket wheel footstep mechanism is connected with the motor flywheel 14a of wheel hub motor 14 by one-level sprocket wheel 42, when using the sprocket wheel footstep mechanism, wheel hub motor 14 is not worked, driving motor flywheel 14a by drive sprocket 40 rotates, motor flywheel 14a drives motor wheel hub 14b and rotates in rotation process, drive trailing wheel 18 by secondary sprocket wheel 43 and rotate, drive with this and travel.The use of motor-driven mechanism and real sprocket wheel footstep mechanism can be chosen by the user among this embodiment.When using motor-driven mechanism to drive, motor flywheel 14a idle running, wheel hub motor 14 directly drives trailing wheel 18 by secondary sprocket wheel 43 and rotates; When using the sprocket wheel footstep mechanism to drive, wheel hub motor 14 is not worked, and the employing secondary chain sprocket drive of sprocket wheel footstep mechanism drives trailing wheel 18 and rotates.
Above-mentioned a plurality of embodiment of the present invention are not the qualification to protection domain of the present invention; embodiments of the present invention are not limited thereto; according to foregoing of the present invention; ordinary skill knowledge and customary means according to this area; do not breaking away under the above-mentioned basic fundamental thought of the present invention prerequisite; modification, replacement or the change of other various ways that said structure of the present invention is made all drop within protection scope of the present invention.
Claims (10)
1. the portable bicycle that steamboat footpath can be vertically folded, it comprises front-wheel, trailing wheel, vehicle frame, by handle riser and handle rack that transverse tube is constituted, vehicle seat, front fork tube, the engine installation that back breeches pipe and drive wheels are rotated, it is characterized in that: described vehicle frame is upright triangular framing, it comprises the preceding pipe of vehicle frame of oblique setting, the down tube of pipe and horizontally set behind the vehicle frame of oblique setting, three angles that constituted are and are articulated and connected, front fork tube and handle rack are connected to the below and the top at the vehicle frame anterior angle place of preceding pipe of described vehicle frame and down tube formation, back breeches pipe then with described vehicle frame after pipe be connected with the vehicle frame relief angle place of down tube formation, vehicle seat then is positioned at the drift angle place of triangle frame; Described down tube is made of pipe under preceding pipe down that is hinged and the back, the hinge-point of pipe is positioned at the middle part of down tube under the preceding Guan Yuhou down, so that make down tube before described vehicle frame is turned up and made in the hinged place, middle part, manage and vehicle frame after pipe vertically folded thereupon at the drift angle place of vehicle frame, thereby realize the vertically folded gathering of vehicle frame.
2. portable bicycle according to claim 1, it is characterized in that: anterior angle and relief angle place at described vehicle frame are provided with a power-assisted torsion spring respectively, pipe and the back below of pipe down down before one end of the power-assisted torsion spring that described anterior angle place and relief angle place are provided with acts on respectively, give preceding pipe down and back down pipe a moment of torsion that makes progress is provided.
3. portable bicycle according to claim 2, it is characterized in that: described vehicle frame also increases in the vehicle frame between the hinge-point at described vehicle frame drift angle and down tube middle part of vertical setting manages, the top of pipe is set with hinged ear and is used for before the vehicle frame hinged at the drift angle place of pipe behind the pipe and vehicle frame in the described vehicle frame, the lower end is set with slide hinged ear, this slide hinged ear can slide up and down along pipe in the vehicle frame, the bottom of pipe fixedly installs and is useful on the supporting parts that stops slide hinged ear to be deviate from the described vehicle frame, before the vehicle frame behind pipe and the vehicle frame pipe by respectively with described hinged ear hinged, pipe and back are managed down and are hinged with described slide hinged ear respectively under before described, and vehicle seat then is fixed in the described vehicle frame and manages the top.
4. portable bicycle according to claim 3, it is characterized in that: in the described vehicle frame pipe on being positioned at hinged ear below be set with upper magnetic ring, the top of described slide hinged ear is set with down magnet ring, described upper magnetic ring and following magnet ring magnetic attracting behind vehicle frame folding.
5. portable bicycle according to claim 4 is characterized in that: described engine installation is motor-driven mechanism or sprocket wheel footstep mechanism or both combinations.
6. according to each described portable bicycle of claim 1 to 5, it is characterized in that: have at least a pipe to adopt bumper in the pipe under described preceding pipe down and the back.
7. portable bicycle according to claim 6, it is characterized in that: described bumper comprises damping tube, decoupling rod, interior pipe and damper element, wherein, interior Guan Yiduan sealing, one end is captiveed joint with decoupling rod and is constituted an inner chamber, in the described inner chamber damper element is housed, pipe and most of decoupling rod insert in the damping tube in described, described decoupling rod and interior pipe bonded assembly one end are the inner of decoupling rod, have a chute of radially opening that is parallel to the decoupling rod axis from decoupling rod the inner, being provided with one in the chute can axially movable slide block, the side of slide block is fixed on the damping tube by attaching parts, slide block is provided with sliding bar near the end face at the inner place of decoupling rod, the front end of this sliding bar has a piston piece, be used for contacting with the damper element of inner chamber, when described decoupling rod under the effect in external force and described damping tube take place when mobile in opposite directions, give damper element by the piston piece on the slide block with force transmission, utilize the elasticity of damper element to absorb energy, thereby the cushioning effect of playing, the outer end that described decoupling rod is relative with damping tube is equipped with hinge hole.
8. portable bicycle according to claim 7 is characterized in that: described decoupling rod is threaded or welding or flush fit socket with described interior being fixedly connected as of pipe, rubber block is set as the elastomer block damping and silencing in the chute bottom surface.
9. portable bicycle according to claim 8, it is characterized in that: described vibration absorption unit adopts air bag to constitute air bumper, described air bag has appendix, pipe and damping tube in this appendix passes, outside the damping tube tube wall, inflation inlet is set, so that can mend for air bag/exit, regulate the pressure in the air bag.
10. portable bicycle according to claim 8, it is characterized in that: described vibration absorption unit adopts compression spring to constitute spring damper, be located at a spring adjustment seat at the closed end place of interior pipe, this spring adjustment seat is provided with the adjusting bolt, regulates bolt and is threaded with the Closed End of interior pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102095031A CN101890998B (en) | 2010-06-24 | 2010-06-24 | Portable bicycle with small-diameter wheel capable of being vertically folded |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102095031A CN101890998B (en) | 2010-06-24 | 2010-06-24 | Portable bicycle with small-diameter wheel capable of being vertically folded |
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| Publication Number | Publication Date |
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| CN101890998A true CN101890998A (en) | 2010-11-24 |
| CN101890998B CN101890998B (en) | 2012-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010102095031A Expired - Fee Related CN101890998B (en) | 2010-06-24 | 2010-06-24 | Portable bicycle with small-diameter wheel capable of being vertically folded |
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Cited By (7)
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| CN102897269A (en) * | 2012-09-21 | 2013-01-30 | 余启佳 | Bicycle wheel shock absorber combined device |
| CN104309748A (en) * | 2014-09-30 | 2015-01-28 | 张建民 | Small wheel diameter bicycle capable of being pushed after being folded vertically |
| CN104760647A (en) * | 2015-04-09 | 2015-07-08 | 天津市连合工贸有限公司 | Folding bicycle frame |
| CN107049668A (en) * | 2017-05-15 | 2017-08-18 | 河北工业大学 | A kind of nursing robot uses lifting seat mechanism |
| CN107933791A (en) * | 2017-11-03 | 2018-04-20 | 深圳市源创无限科技有限公司 | A kind of walker of slidable adjustment height |
| CN108001578A (en) * | 2017-12-29 | 2018-05-08 | 江苏爱玛车业科技有限公司 | Loading seat and electric car |
| WO2021184361A1 (en) * | 2020-03-20 | 2021-09-23 | 东莞市台铃车业有限公司 | Folding frame and folding vehicle |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103274005B (en) * | 2013-05-28 | 2015-07-15 | 常州市六零九零工业设计有限公司 | Foldable electric tricycle |
| CN108945247B (en) * | 2018-07-03 | 2020-12-18 | 郑先平 | Telescopic electric bicycle |
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| WO2021184361A1 (en) * | 2020-03-20 | 2021-09-23 | 东莞市台铃车业有限公司 | Folding frame and folding vehicle |
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|---|---|
| CN101890998B (en) | 2012-01-04 |
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