WO2016015295A1 - Bicyclette pliable - Google Patents

Bicyclette pliable Download PDF

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Publication number
WO2016015295A1
WO2016015295A1 PCT/CN2014/083443 CN2014083443W WO2016015295A1 WO 2016015295 A1 WO2016015295 A1 WO 2016015295A1 CN 2014083443 W CN2014083443 W CN 2014083443W WO 2016015295 A1 WO2016015295 A1 WO 2016015295A1
Authority
WO
WIPO (PCT)
Prior art keywords
frame
rotating
rod
folding
plunger
Prior art date
Application number
PCT/CN2014/083443
Other languages
English (en)
Chinese (zh)
Inventor
尹国英
詹映忠
Original Assignee
广州市锦宏机电科技发展有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 广州市锦宏机电科技发展有限公司 filed Critical 广州市锦宏机电科技发展有限公司
Priority to PCT/CN2014/083443 priority Critical patent/WO2016015295A1/fr
Publication of WO2016015295A1 publication Critical patent/WO2016015295A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K15/00—Collapsible or foldable cycles

Definitions

  • the invention relates to a folding cart. Background technique
  • the folding bicycle is an improved short-distance vehicle.
  • the current folding bicycle mainly includes a folding bicycle or a folding electric vehicle, which utilizes the folding joint of the frame to realize the folding of the whole vehicle, such as the patent document disclosed in CN101492082.
  • the utility model discloses a multifunctional folding bicycle, which is actually applied to a folding structure of a bicycle.
  • the folding structure divides the beam into two parts: a front beam and a rear beam.
  • the front beam and the rear beam are connected by a folder.
  • a folding joint is formed, and when the folding vehicle is folded, the folding device is unfolded, and the front end beam and the rear side beam are relatively rotated, and the telescopic mechanism connected between the seat and the frame is used to minimize the seat.
  • the handlebars need to be folded down.
  • the folding of the whole vehicle can be completed by the above-mentioned cumbersome folding process, and the folded volume is large and takes up more space, such as the above.
  • the folding structure is applied to the existing folding electric vehicle, and the folding process will be more complicated; in short, the existing folding bicycle, folding
  • the folding structure used in the stacking electric vehicle is complicated in the process of folding and unfolding, and the wheel after the folding is not able to rotate normally, and the volume after folding is large, so that the user needs to carry it after folding
  • Lifting the entire folding bike although the existing bicycle can use some carbon fiber materials to reduce the weight of the whole vehicle, thereby reducing the load of the user, but for the existing folding electric vehicle, the frame is large and internal transmission
  • the mechanism is complex and heavy, and it is not easy to lift after folding. Summary of the invention
  • the object of the present invention is to provide a folding bicycle, which has a process of folding and unfolding, which is simple and quick, and takes up a small space after folding, and the front and rear wheels can work normally after being folded. Implemented.
  • Two support beams respectively disposed at the front and the rear of the frame, the upper ends of the two support beams are respectively pivotally connected to the front and rear ends of the frame by a pivot, and the support beam can be pivoted around the corresponding pivot Rotating between a folding position located in the receiving space and a deployed position outside the frame;
  • a handle assembly mounted on top of one of the support beams
  • the bag is mounted on an upper end of the support assembly, the support assembly is located between the two support beams and is slidable along the height direction of the frame, and the lower end portion of the support assembly forms a pivoting portion;
  • a drive assembly mounted to a side of the frame, the drive assembly including a first rotating member pivotally coupled to a side of the frame, a second rotating member pivotally coupled to one of the pivots and coupled to the first rotating member, and pivoting
  • a drive assembly for synchronously coupling the second rotating member and the wheel at the bottom of the support beam is mounted on the support beam corresponding to one of the pivots.
  • the support assembly includes a sliding rod extending in the height direction of the frame and having a slot extending in the height direction of the frame, a plunger inserted in the slot and slidable along the length of the sliding rod, and pivoting a rotating column at the upper end of the rod, the rotating column is provided with a flat hole, and the insertion of the rod is matched in the flat hole;
  • the upper end portion is pierced by the flat hole and connected to the seat bag, and the lower end portion of the plunger forms a pivoting portion for driving the rotating column when the lower end portion of the plunger is slid to the upper end portion of the sliding rod, wherein a top end portion of one of the supporting beams is disposed a receiving portion for supporting the downwardly rotating plunger;
  • the side of the plunger is provided with a first sliding slot extending along the length of the plunger, and the rotating column is disposed at the end of the flat hole and sliding with the first sliding slot Coordinated studs.
  • a fixed ear is respectively protruded from two sides of the upper end of the sliding rod, and each of the fixing ears is provided with a rotating hole, and a hole wall of the rotating hole extends to a middle portion of the rotating hole to form a limiting block, and two ends of the rotating column respectively form a plug-in
  • a sliding column for defining a vertical movement stroke of the sliding rod is fixed on the frame, and the sliding rod is provided with a second sliding groove that is slidingly engaged with the sliding column.
  • a limited position is arranged on the frame, and one end of the limiting member is elastically connected to the frame, and the outer side wall of the sliding rod is provided with a shallow groove extending along the length direction thereof and slidingly engaging the other end of the limiting member, the lower end of the shallow groove A through hole is formed in which the other end of the limiting member is embedded.
  • One end of the limiting member is a connecting portion connected to the frame, and the other end is a limiting portion having a degree of freedom of movement in a direction away from the shallow groove or near the shallow groove.
  • the limiting portion includes a block body and a first pin extending from a side of the block body adjacent to the sliding rod and a second pin for inserting into the through hole, the length of the first pin is greater than the length of the second pin and the second Displaced in the width direction of the sliding rod, the side surface of the sliding rod is further provided with a through groove extending along the longitudinal direction thereof, and the end portion of the first pin passes through the through groove to form a receiving hole which is placed in the slot and received by the plunger Pressing parts.
  • the upper end of the plunger is provided with a circumferentially distributed latching tooth
  • the lower end of the seat bag protrudes from the sleeve
  • the sleeve is sleeved on the upper end of the plunger
  • the inner wall of the sleeve protrudes with a plurality of elasticities distributed around the circumference
  • the card stops, the card teeth and the elastic card block have an interference fit.
  • a support spacer is also arranged on the support part.
  • a driving assembly is disposed on each side of the frame, the first rotating component is an external sprocket pivotally connected to the side of the frame, and the second rotating component is a driven sprocket pivotally connected to one of the pivots, the two driving components
  • the driven sprocket is respectively disposed at two ends of the one of the pivots;
  • the driving assembly further includes a driven gear pivotally coupled to the side of the frame and engaged with the external spur, and a driving sprocket synchronously coupled to the driven gear, And a drive chain that automatically connects the driven gears to the driven gears.
  • the frame includes two opposite side plates, and the receiving space is located between the two side plates; the side plate is provided with a circular opening, the opening is fixed with a set of cymbals, and the outer dents are embedded in the ferrule And the footrest is connected to a periphery of the rotating ring fixed to the insert portion with respect to the insert portion that is rotated with the sleeve.
  • the transmission assembly includes a transmission rod built in the support beam and extending along a height direction of the support beam, a transmission shaft pivotally coupled to the pivot shaft and synchronously coupled with the driven sprocket, and a first bevel gear synchronously coupled to the transmission shaft, a second bevel gear synchronously coupled to the upper end of the transmission rod and meshing with the first bevel gear, a third bevel gear synchronously coupled to the lower end of the transmission rod, and a first synchronously coupled to the axle of the wheel and meshing with the third bevel gear Four bevel gears; the central axis of the drive shaft coincides with the central axis of the pivot axis to which it is pivoted.
  • the handle assembly is mounted on a supporting beam corresponding thereto by a clutch mechanism, the clutch mechanism comprising: a fixing sleeve connected to the handle assembly, the inner surface of which forms a pressure receiving surface;
  • the fixing member fitted with the supporting beam comprises at least a rotating shaft portion in the connecting sleeve and the fixing sleeve, and a mounting gap is formed between the outer surface of the rotating shaft portion and the pressure receiving surface;
  • a pressing block located in the mounting gap and movable along a radial direction of the fixing member, the outer surface of the pressing block forming a pressing surface corresponding to the pressure receiving surface;
  • the mounting seat is provided with a long hole having a longitudinal direction consistent with a radial direction of the mounting seat
  • a movable pressing member that is sleeved on the rotating shaft portion, and the pressing member is formed on an edge of the end surface opposite to the mounting seat An outer tapered surface;
  • top pin one end of the top pin is fixed to the pressure block, and the other end is pierced by the long hole to form a pressure receiving portion that cooperates with the outer tapered surface;
  • a driving member for driving the pressing member along the axis of the rotating shaft portion, and a locking member for fixing the both of the driving member and the fixing member is further disposed.
  • the rotating shaft portion is a hollow member which is open at one end, and the driving member is a movable shaft core which is inserted into the rotating shaft portion, and the shaft core has a radially extending connecting rod, and the connecting rod passes through the escape hole and the pressing member on the rotating shaft portion connection.
  • the locking member is composed of an outer thread formed on the outer surface of the shaft core and an inner thread on the inner surface of the shaft portion and the outer thread.
  • a buckle cover is connected to an outer end of the shaft core through the shaft portion, and a rotating wrench is disposed on an outer surface of the buckle cover.
  • a recessed surface for avoiding the outer tapered surface is formed on the end surface of the mounting seat opposite to the pressing member.
  • a plurality of pressing blocks are embedded in the mounting gap, and the plurality of pressing blocks are hooked on the outer circumference of the fixing member, the cross section of the pressing block is fan-shaped, and a spherical shape is embedded between the adjacent two-shaped block fan-shaped oblique sides. Or a cylindrical insert.
  • the fixing member further comprises two connecting blocks respectively fixed at the two ends of the rotating shaft portion, and the fixing sleeve is located between the two connecting blocks.
  • the shaft portion is provided with a step portion and a circlip.
  • the step portion is provided with a blocking piece.
  • the rotating shaft portion is fixed with a connecting seat inside the fixing sleeve.
  • the mounting gap is surrounded by the outer surface of the connecting seat and the pressure receiving surface.
  • the connector and the mount are defined between the flap and the retaining spring.
  • a steering rod is pivotally connected to the support beam, and the lower end portion of the steering rod is connected to the bracket for mounting the wheel, and the upper end portion is connected to the fixing member.
  • the steering rod includes a fixed rod and a movable rod connected by an axial spline sliding, the fixed rod is installed in the support beam through the thrust bearing, the movable rod is installed in the support beam through the linear bearing, and a bracket is arranged between the bracket and the support beam. spring.
  • the invention only needs to lift or press the seat bag to realize the rapid unfolding or folding of the folding vehicle, and only needs one hand to be operated, and the process of unfolding and folding is simple. It is quick and easy to operate, and the support beam after folding can be placed inside the frame. After folding, the occupied space is small and easy to carry. At the same time, the front and rear wheels can be rotated normally after the folding car is folded, and the user can not only lift it. Carrying, you can also push forward, providing users with different ways of carrying. DRAWINGS
  • FIG. 1 is a schematic structural view of a folding bicycle of the present invention, and shows an unfolded state of the folding bicycle of the present invention
  • FIG. 2 is a side view of the folded state of the folding bicycle of the present invention
  • Figure 3 is an end view of the folded state of the folding bicycle of the present invention.
  • Figure 4 is a schematic view showing the insertion and assembly of the plunger and the sliding rod of the present invention.
  • Figure 5 is a schematic view showing the cooperation of the slider sliding rod in the unfolded state of the present invention.
  • Figure 6 is a schematic structural view of a sliding rod of the present invention.
  • Figure 7 is a schematic view showing the cooperation of the slider sliding rod in the folded state of the present invention.
  • Figure 8 is a schematic structural view of a limiting member of the present invention.
  • Figure 9 is a schematic view showing the cooperation of the plunger and the sleeve of the present invention.
  • Figure 10 is a schematic structural view of a driving assembly of the present invention.
  • Figure 11 is a schematic structural view of a transmission assembly of the present invention
  • Figure 12 is a schematic structural view of the clutch mechanism of the present invention
  • Figure 13 is an axial cross-sectional view of the clutch mechanism of Figure 12;
  • Figure 14 is a schematic structural view of the clamping member of Figure 12;
  • Figure 15 is a schematic view of the cooperation between the mounting seat and the top pin of Figure 12;
  • Figure 16 is a cross-sectional view taken along line A-A of Figure 13 and showing a state of use of the clutch mechanism of the present invention
  • Figure 17 is a schematic view showing another state of use of the clutch mechanism of Figure 12;
  • Figure 18 is an internal view of the front support beam of the present invention.
  • FIG. 1 illustrates the unfolded state of the folding vehicle (i.e., the state of normal riding), and Figures 2 and 3 illustrate the folding of the folding vehicle.
  • Figure 1 illustrates the unfolded state of the folding vehicle (i.e., the state of normal riding)
  • Figures 2 and 3 illustrate the folding of the folding vehicle.
  • the folding car In the folded state, the folding car can be pushed or even riding in the folded state.
  • the folding bicycle of the present invention may be a bicycle that outputs power through a user's foot. Of course, it may also be an electric vehicle driven by a motor. Referring to FIG. 4 to FIG. 11 and FIG. 1 to FIG. 3, as a foot pedal.
  • the bicycle for outputting power specifically includes a frame 10, a front support beam 30, a rear support beam 40, a handle assembly 70, a drive assembly 50, a transmission assembly 60, a seat bag 210, a support assembly 200, a linkage lever 33, and a linkage lever 45, wherein the driving assembly 50 is a pedal driving mechanism, and the transmission assembly 60 is used for conveying the power generated by the driving assembly 50 to the rear wheel 41 installed at the bottom end portion of the rear support beam 40; as a folding bicycle, see FIG. 1 and 3, the front support beam 30 and the rear support beam 40 can be folded into the accommodating space on the frame 10.
  • the frame 10 is located on opposite sides of the width direction of the frame 10 and opposite to each other.
  • the accommodating space is formed by the side plates 11 , and the front support beam 30 is pivotally connected to the front end of the two side plates 11 by a first pivot 32 extending in the width direction of the frame 10 .
  • the rear support beam 40 is A second pivot 42 extending in the width direction of the frame 10 is pivotally connected to the top rear end of the side plates 11, and the distance between the side plates 11 is just greater than the width of the front support beam 30 and the rear support beam 40,
  • the front support beam 30 and the rear support beam 40 can be positioned around the first pivot 32 and the second pivot 42 respectively The folding position in the volume and the deployed position outside the frame 10 are rotated.
  • the above-described support assembly 200 may be inserted inside the frame 10, and the support assembly 200 is located between the front support beam 30 and the rear support beam 40 and The frame 10 can be moved relative to the frame 10 in the height direction of the frame 10.
  • the side plate 11 of the frame 10 is also provided with a limit mechanism, and the limit mechanism is The conventional linear limit mechanism is not mentioned here;
  • the upper end portion of the above-mentioned support assembly 200 is for fixed connection with the seat bag 210, and the lower end portion is formed with a pivoting portion 237, the above-mentioned linkage rod 33 and the linkage rod
  • the 45 is of comparable size, the inner end of which is hinged to the pivoting portion 237 and the outer end to the front support beam 30 and the rear support beam 40, respectively, whereby the frame 10, the support assembly 200, and the front support beam 30.
  • the rear support beam 40, the linkage rod 33 and the linkage rod 45 together form a linkage mechanism.
  • the angle between the linkage rod 33 and the linkage rod 45 and the support assembly 200 is gradually increased. Big, this Under the support of the linkage rod 33 and the linkage rod 45, the front support beam 30 and the rear support beam 40 will respectively rotate toward the outside of the frame 10, and finally rotate to the above-mentioned deployed position.
  • the folding vehicle is as shown in FIG.
  • the support assembly 200 described above is designed as a retractable structure. Specifically, the support assembly 200 includes a vehicle along the vehicle.
  • a slide bar 230 extending in the height direction and having a slot 231 extending in the height direction of the frame 10, and a plunger 220 inserted in the slot 231 to slide along the longitudinal direction of the slide bar 230, a pivoting column 250 pivotally connected to the upper end of the sliding rod 230; the pivoting portion 237 is disposed at a lower end of the sliding rod 230; the frame 10 is provided with a sliding column 15, and the side of the sliding rod 230 is disposed to extend along the length thereof
  • the second sliding slot 235 is inserted into the second sliding slot 235 and is slidably engaged with the second sliding slot 235.
  • the sliding bracket 15 cooperates with the second sliding slot 135 for defining the sliding rod 130 relative to the frame 10
  • the top end portion is rotated.
  • a flat hole 251 is disposed on the rotating column 250.
  • the upper end portion of the plunger 220 is pierced by the flat hole 251 and connected to the seat bag 210.
  • the cross section of the plunger 220 is matched with the flat hole 251.
  • One end of the plunger 220 is defined on the upper end portion of the sliding rod 230 or the rotating column 250, and the other end is located below the seat bag 210.
  • Forming a lever structure when a person sits on the seat bag 210 and applies downward pressure to the end of the plunger 220 below the seat bag 210, the other end of the plunger 220 is pulled by the sliding bar 130 or the rotating column 150, thus The gravity is transmitted to the receiving portion 43 as a fulcrum, and the rear support beam 40 is transmitted to the rear wheel 41.
  • the seat bag 210 does not move. At this time, the folding bicycle is in a normal riding position.
  • the first sliding slot 221 is defined in the first sliding slot 221 and is slidably engaged with the first sliding slot 221, and the first sliding slot 221 is defined in the first sliding slot 221.
  • the above-mentioned rotating column 250 is slightly higher than the bearing The bracket portion 43.
  • the insertion rod 220 is supported by the receiving portion 43 just by the rotation of the quarter circumference, and a limiting structure can be arranged between the sliding rod 230 and the rotating column 250 for limiting the insertion rod.
  • the angle of rotation of the 220 relative to the sliding rod 230 when sliding to the upper limit position further ensures that the plunger 220 is in a horizontal state during riding.
  • a fixed ear 234 protrudes from each of the two sides of the upper end of the sliding rod 230.
  • a rotation hole 2341 is defined in each of the fixing ears 234, and a hole wall 2341 extends from a hole in the middle of the rotation hole 2341 to form a limiting block 2342, and two ends 253 are respectively disposed at two ends of the rotating column 250. Inserted in the through hole 2341 and matched with the limiting block 2342, wherein the limiting block 2342 is a quarter piece, and the blocking piece 253 is a half piece piece, and the limiting structure can not only further ensure the above-mentioned insertion rod 220 is in the water while riding In the flat state, the stability of the seat bag 210 is ensured.
  • the limit block 2342 can be disposed on the rear side of the rotary hole 2341 so that the plunger 220 can only be rotated backward to prevent the plunger 220 from rotating forward.
  • a supporting spacer 44 is also disposed on the supporting portion 43 for preventing the wear of the receiving portion 43 by the folding rod 220 for a plurality of times, and the supporting spacer can be made of a rubber material. 44, used to buffer the pressure of the seat bag 210, and also can play a certain damping effect.
  • the folding vehicle can be quickly folded or unfolded. Specifically, in the unfolded state shown in FIG. 1, FIG. 4 and FIG. 5, the plunger 220 is folded up to the vertical state. The plunger 220 and the sliding rod 230 form a telescopic mechanism extending in a vertical direction. At this time, the plunger 220 is pressed downward, and the protrusion 252 on the rotating column 250 slides to the top end of the first sliding slot 221 of the plunger 220.
  • the plunger 220 is continuously pressed down, the plunger 220 drives the sliding rod 230 to move downward relative to the frame 10, and the pivoting portion 237 at the bottom of the sliding rod 230 moves downward to drive the inner side of the linkage rod 33 and the linkage rod 45.
  • the end portion moves downward along the frame 10, and the angle between the sliding rod 230 and the linkage rod 33 and the linkage rod 45 gradually becomes smaller, and at the same time, the angle between the front support beam 30 and the rear support beam 40 and the frame 10 Gradually becoming smaller until the final front support beam 30 and the rear support beam 40 are rotated to a vertical state, and are housed in the accommodating space between the side plates 11 of the frame 10, so that the folding car is in FIG.
  • the inventor also utilizes the limiting structure to define the position of the sliding bar 230 to slide up and down to ensure that the folding car does not spread when in the folded state and to ensure the safety of the riding.
  • the limiting structure may be the use of the sliding bar 230 and the vehicle.
  • a limiting member 240 is disposed on the frame 10 , and one end of the limiting member 240 is elastically connected to the frame 10 , and the outer side of the sliding rod 230 is The wall is provided with a shallow groove 232 extending along the longitudinal direction thereof and slidingly engaging with the other end of the limiting member 240.
  • the lower end portion of the shallow groove 232 is provided with a through hole 233 for the other end of the limiting member 240 to be embedded;
  • One end of the member 240 is a connecting portion 241 connected to the frame 10, and the other end is a limiting portion 242.
  • the limiting portion 242 has a degree of freedom to move in a direction away from the shallow groove 232 or near the shallow groove 232 according to its elastic property.
  • the limiting portion 242 includes a block body and a first pin 2422 extending from a side of the block body adjacent to the sliding bar 230 and a second pin 2421 for inserting into the through hole 233.
  • the length of the first pin 2422 is greater than the length.
  • the two sides of the sliding rod 230 are disposed with a through groove 236 extending along the longitudinal direction thereof.
  • the first pin 2422 is formed in the slot 231 through the through slot 236.
  • the second pin 2421 is inserted into the through hole 233, so that the sliding rod 230 does not move up and down with respect to the frame 10, further increasing.
  • the safety and stability of the folding bike When the folding rod 220 starts to move downward in the slot 231 when the folding is required, the plunger 220 presses the pressure receiving member at the end of the first pin 2422 to bounce the limiting portion 242 away from the sliding rod 230.
  • the second pin 2421 is disengaged from the through hole 233, and then the sliding bar 230 is provided with a degree of freedom of moving downward relative to the frame 10.
  • the upper end portion of the above-mentioned plunger 220 is connected to the seat bag 210 by a ratchet structure, so that the angle of the seat bag 20 0 with respect to the plunger 220 can be adjusted, and the seat bag 21 0 can be fixed after adjustment.
  • the position of the upper end of the plunger 220 is distributed with a latching tooth 222.
  • the lower end of the seat bag 210 is connected to a sleeve 211, and the sleeve 21 1 is sleeved on the upper end of the plunger 220.
  • the inner wall of the sleeve 211 protrudes from a plurality of elastic latching blocks 2111.
  • the elastic latching gears 2111 are elongated, and the latching teeth 111 are in interference fit with the elastic latching gears 211 1 .
  • the latching teeth 111 and the elastic latching gears 2111 The fit can adjust the rotation angle of the sleeve 211 relative to the plunger 220, and the adjustment precision depends on the number of the latches 111. When adjusted, the sleeve 211 and the plug are not subjected to a large external force. The rod 220 does not rotate relative to each other.
  • the present invention is driven by the structure shown in Figs. 10 and 11 in which the drive assembly 50 is mounted on the side of the frame 10, i.e., mounted on the side panel 11, to avoid the above-mentioned receiving space, so that the front support
  • the beam 30 and the rear support beam 40 can be housed in the frame 10 to reduce the volume of the folding cart after folding;
  • the present invention provides two drive assemblies 50 for ensuring balance of power output, the two drive assemblies 50 being They are respectively placed on the side plates 11 which are synchronously moved.
  • the above-mentioned driving assembly 50 specifically includes an external gear 51 pivotally connected to the side plate 1 , a driven gear 54 pivotally coupled to the external shank 51 on the side plate 11 , and an active coupling on the driven gear 54 .
  • the plate 53 and the footrests 53 on the two drive assemblies 50 are offset from each other in the circumferential direction of the rotation axis of the external spurs 51.
  • a circular opening 111 may be defined in the side plate 11 , and a set of ⁇ 1 3 is fixed in the opening 111 , and the outer spur 51 has a recessed in the sleeve 13 and is opposite to the ferrule 1 3
  • the rotating insert that is to say, the sleeve 13 and the insert form a bearing-like structure, the sleeve 13 is an outer jaw which can be regarded as a bearing, and the insert is considered to be inside the bearing ⁇
  • the structure pivotally connects the external gingival 51 to the inside of the opening 111 of the side plate 11, and the rotating portion 52 is fixed on the embedded portion, and the periphery of the rotating ring 52 has a radially outward extending portion 521
  • the pedal The plate 53 is pivotally connected to the outer end of the extending
  • the external spur 51 is meshed with the driven gear 54.
  • the driven gear 54 outputs power through the chain transmission mechanism and transmits it to the transmission assembly 60, and the transmission assembly 60 drives the rear wheel 41 to rotate.
  • the two-legged pedal 53 is stepped on, the rear wheel 41 is rotated.
  • other rotating members pivotally attached to the side plates 11 can be used in the present invention instead of the external spurs 51 described above.
  • the transmission assembly 60 described above includes a transmission rod 61 that is built into the rear support beam 40 and extends in the height direction of the rear support beam 40, and a transmission shaft 62 that is pivotally coupled to the second pivot 42 and synchronously coupled to the driven sprocket 57.
  • first bevel gear 63 synchronously coupled to the drive shaft 62
  • second bevel gear 64 synchronously coupled to the upper end of the transmission rod 61 and meshing with the first bevel gear 63
  • third umbrella synchronously coupled to the lower end of the transmission rod 61 gear
  • the transmission shaft 62 is connected to the second pivot 42 and the central axes of the two are coincident.
  • the two driven sprocket 57 are respectively connected to the two ends of the transmission shaft 62, because of the two driven sprocket 57. It is synchronously rotated. Therefore, in the case where the two driven sprockets 57 rotate, the two drive the drive shaft 62 to rotate together, and the rotational power of the drive shaft 62 is transmitted through the cooperation of the first bevel gear 63 and the second bevel gear 64.
  • the rotational power of the transmission rod 61 is transmitted to the axle 411 of the rear wheel 41 through the cooperation of the third bevel gear 65 and the fourth bevel gear 66, and finally the rear wheel 41 is rotated.
  • the transmission assembly 60 Since the drive assembly 50 is used on the frame 10, the transmission assembly 60 is mounted in the rear support beam 40, and since the rear support beam 40 is rotated relative to the frame 10 about the second pivot 42, the power output of the drive assembly 50
  • the end ie, the driven sprocket 57
  • the transmission assembly 60 just at the drive shaft 62 on the second pivot 42 so that the rear support beam 40 does not engage the drive assembly during folding of the folding vehicle 50 and the transmission assembly 60 occurs anyway, the transmission of the folding vehicle is not affected, and the combination of the two driving assemblies 50 are respectively arranged on the two side plates 11, so that the rear support beam 40 is in the folded state.
  • the above structure is the embodiment of the driving of the rear wheel 41 of the present invention.
  • the transmission assembly 60 may be disposed in the front support beam 30, and the transmission shaft 62 is pivotally connected to the first pivot 32, and the driving assembly 50 drives the transmission shaft. 62 is rotated, and power is transmitted to the front wheel 31 through the transmission shaft 62 to form a bicycle driven by the front wheel 31.
  • the present invention when used as an electric vehicle, it is not necessary to provide the above-described driving assembly 50 and transmission assembly 60, and it is only necessary to provide a driving front wheel 31 or a rear wheel 41 inside the front support beam 30 or the rear support beam 40. Rotate the drive motor.
  • the front support beam 30 has a drive motor that drives the front wheel 31 to rotate, and the rotation of the rear wheel 41 is still driven by the above-mentioned stepping power mechanism formed by the drive assembly 50 and the transmission assembly 60, so that it can be electrically driven.
  • a hybrid folding bike that can be pedaled.
  • the handle assembly 70 described above may be rotatably coupled to the front support beam 30.
  • the handle assembly 70 is comprised of a handlebar 71 and a handlebar 72.
  • 72 is pivotally connected to the front support beam 30 by a clutch mechanism 80.
  • the clutch mechanism 80 includes a fixing sleeve 811 connected to the stem 72, a rotating shaft portion 823 connected to the front supporting beam 30, a plurality of pressing blocks 880, and a mounting seat 850.
  • a top pressing member 840 a plurality of top pins 870 corresponding to the pressing block 880, and a shaft core 830, wherein the outer portion of the fixing sleeve 811 is fixed with a connecting device 810, and the connecting device 810 is used for the stem 72 and the fixing sleeve 811 is fixedly connected, and the inner surface of the fixing sleeve 811 forms a pressure receiving surface 8111 surrounding the circumference of the rotating shaft portion 823; the rotating shaft portion 823 is a part of the fixing member connected to the front supporting beam 30, and the above-mentioned rotating shaft portion An annular mounting gap is formed between the outer surface of the 823 and the pressure receiving surface 8111, and the rotation axis of the bearing 72 with respect to the front support beam 30 coincides with the central axis of the rotating shaft portion 823, and the plurality of pressing blocks 880 are embedded.
  • the outer periphery of the portion 823 is hook-shaped and has a degree of freedom of movement in the radial direction of the rotating shaft portion 823.
  • the outer surface of the pressing block 880 forms a pressing surface 8801 corresponding to the pressure receiving surface 8111, and the above-mentioned pressure receiving surface 8111 and the top pressing surface 8801 may be processed into a rough surface,
  • the pressing block 880 is in contact with the pressure receiving surface 8111 when the pressing block 880 is moved radially outward, the relative movement of the fixing sleeve 811 and the pressing block 880 can be avoided, that is, the relative rotation of the pressing sleeve 811 can be prevented.
  • a connecting seat 860 located in the fixing sleeve 811 outside the rotating shaft portion 823.
  • the mounting gap is surrounded by the outer surface of the connecting seat 860 and the pressure receiving surface 8111, and the pressing block 880 is placed in the connecting seat.
  • the pressing block 880 serves as a stopping member, and the thickness thereof can be offset by the radius of the connecting seat 860. Therefore, the embedded mounting of the above-mentioned press block 880 can be facilitated.
  • the top pressing member 840 is sleeved on the rotating shaft portion 823, and the end surface of the pressing member 840 opposite to the mounting seat 850 forms an outer tapered surface 841.
  • the mounting base 850 is fixed on the rotating shaft portion 823, and the mounting base 850 is provided with a plurality of long holes 852 uniformly distributed along the circumferential direction thereof, the length direction of the long holes 852 is consistent with the radial direction of the mounting seat 850, and the plurality of long holes 852 correspond to the pressing block 880, and the top pin 870 respectively has a corresponding pressure
  • the block 880 and the long hole 852 are fitted.
  • one end of the top pin 870 is fixedly connected to the pressing block 880, and the other end passes through the long hole 852 and forms a pressure receiving portion, and the pressure receiving portion abuts
  • the outer core surface 841 is used for pulling the pressing member 840 to move in the axial direction of the rotating shaft portion 823.
  • the shaft core 830 moves the pressing member 840 toward the mounting seat 850
  • the outer tapered surface 841 is topped.
  • the pressing portion of the pressing pin 870 moves the top pin 870 to the outside along the length of the long hole 852, thereby driving the pressing surface 8801 of the pressing block 880 to move toward the pressure receiving surface 8111.
  • the shaft core 830 drives the pressing.
  • the piece 840 is moved away from the mount 850
  • the pressing surface 8801 of the pressing block 880 moves away from the pressure receiving surface 8111, that is, the outer tapered surface 841 is engaged with the pressure receiving portion of the top pin 870, and the axial direction of the pressing member 840 can be The movement transitions into a radial movement of each of the compacts 880.
  • the shaft portion 823 is a hollow member that is open at one end.
  • the shaft core 830 is movably coupled to the shaft portion 823.
  • the shaft core 830 has a connecting rod 831 extending in a radial direction thereof.
  • the shaft portion 823 is provided with a relief hole 8231.
  • the connecting rod 831 extends through the relief hole 8231 into the predetermined slot 842 of the pressing member 840, that is, the shaft 830 is coupled together by the connecting rod 831, so that the pressing member 840 can follow the shaft core 830.
  • the outer screw surface of the shaft core 830 is further provided with an external thread.
  • the inner surface of the shaft portion 823 is provided with an inner thread that is coupled thereto, and the shaft core 830 is rotated.
  • the axial movement of the shaft core 830 relative to the shaft portion 823 can also lock the shaft core 830 in its final moving position, thereby maintaining the pressing member 840 in the corresponding position.
  • the position of the pressing block 880 can be achieved.
  • the locking block 880 is locked, and the pressing surface 8801 on the pressing block 880 is kept pressed against the pressure receiving surface 8111, thereby locking the pressing block 880 and the fixing sleeve 811.
  • the rotating shaft portion 823 and the connecting block 821 fixed at the both ends thereof and the connecting block 822 form a fixing member
  • the fixing member is connected with the front supporting beam 30, and the fixing sleeve 811 is connected to the stem 72 by the connecting device 810.
  • the rotating shaft core 830 is rotated, and the respective top pins 870 are moved outward along the length of the long hole 852, thereby driving the respective pressing blocks 880 to move outward, when the pressing block 880
  • the rotating shaft core 830 is stopped.
  • the shaft core 830 is reversely rotated, and the pressure receiving surface 8111 and the pressing surface 8801 are loosened, so that the pressing block 880 has a certain degree of freedom in the radial direction of the rotating shaft portion 823.
  • the above-mentioned locking structure of the external screw and the internal thread locking shaft core 830 and the rotating shaft portion 823 may be replaced by other locking members as long as the axially movable shaft core 830 can be locked on the rotating shaft.
  • the portion 823 can be used.
  • the shaft core 830 can be locked to the connecting block 821 or the connecting block 822.
  • the above-mentioned shaft core 830 is used as a component for axially moving the pressing member 840, and it can also be replaced by other components capable of driving the pressing member 840 to move axially.
  • a buckle cover 832 is connected to the outer end of the shaft shaft 830.
  • the outer surface of the buckle cover 832 is provided with a rotary wrench 833. In operation, the rotary wrench 833 can be rotated.
  • the end surface of the mounting seat 850 opposite to the pressing member 840 is provided with a recess 851 for avoiding the outer tapered surface 841.
  • the other end surface of the mounting seat 850 forms a mating surface 854 which is engaged with the connecting seat 860 at the bottom of the recess 851.
  • a clamping surface 853 is formed.
  • the circumferential surface of the recess 851 forms an inner tapered surface that cooperates with the outer tapered surface 841.
  • the above-mentioned pressing block 880 is configured to have a fan-shaped cross section, and is disposed between two adjacent pressing blocks 880.
  • a step portion 8232 is further disposed on the rotating shaft portion 823, and a retaining spring 8233 having a certain distance from the step portion 8232.
  • the retaining spring 8233 is pressed against the engaging surface 853, and the outer portion of the rotating shaft portion 823 is further provided with a step.
  • the blocking piece 8234 at the portion 8232, the connecting seat 860 and the mounting seat 850 described above are clamped and fixed between the blocking piece 8234 and the retaining spring 8233. This structure can be installed to the utmost extent.
  • the axial movement of the pressing member 840 is converted into the radial movement of the pressing block 880, and the pressing surface 8881 on the pressing block 880 is pressed against the pressure receiving surface 8111 in the fixing sleeve 811. Tightly, the locking of the stem 72 in the folded state or the unfolded state can be realized without a large external force; meanwhile, the present invention can be installed inside the rotating end of the stem 72 without affecting the appearance of the folding bicycle. It meets the requirements of the compact and beautiful appearance of the existing folding bicycle.
  • a steering rod 90 is pivotally connected to the front support beam 30, and the upper end portion of the steering lever 90 is front.
  • the top end of the support beam 30 is extended, the lower end portion is extended by the lower end portion of the front support beam 30, and the upper end portion of the steering rod 90 is connected to the stem 72 by the above-described clutch mechanism 80, that is, the shaft portion 823 and the fixed portion thereof are fixed thereto.
  • the connecting block 821 at both ends and the connecting block 822 form a fixing member which is fixedly connected with the connecting head 911 of the upper end portion of the steering rod 90, and the lower end portion of the steering rod 90 is fixed to the bracket for mounting the front wheel 31, so that when the handlebar 71 is rotated The front wheel 31 rotates accordingly.
  • the above-mentioned steering rod 90 may be provided as two sections which are sleeved to each other, and the two sections are specifically a fixed rod 91 and a movable rod 92 which are mounted on the inner wall of the front support beam 30 by two thrust bearings, the movable rod 92 Then, it is installed in the front support beam 30 by the axial bearing, and the fixed rod 91 and the movable rod 92 are slidably engaged by the axial spline, and the two form a telescopic mechanism capable of synchronous rotation, and the bracket and the front support beam 30 for mounting the front wheel 31 are installed.
  • a spring 34 is also provided between the springs 34 as a cushioning member, and together with the above-described telescopic steering rod 90 constitutes a shock absorbing mechanism of the front wheel 31.
  • the damper mechanism is also applicable to the rear wheel 41.
  • the transmission rod 61 may be provided as a retractable mechanism that can be rotated synchronously, and the spring is used as a cushioning member.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Motorcycle And Bicycle Frame (AREA)

Abstract

La présente invention concerne une bicyclette pliable comprenant un cadre, deux poutrelles de support, deux roues, un ensemble guidon, une selle, deux tiges de liaison, un ensemble d'entraînement et un ensemble de transmission. Un espace de réception est formé à l'intérieur du cadre. Les deux poutrelles de support sont articulées sur le cadre. L'ensemble guidon est monté sur la partie supérieure de l'une des poutrelles de support. La selle est montée sur la partie d'extrémité supérieure d'un ensemble de support. L'ensemble de support est positionné entre les deux poutrelles de support et peut coulisser dans le sens de la hauteur du cadre et une partie de raccordement pivot est formée sur la partie d'extrémité inférieure de l'ensemble de support. Les parties d'extrémité latérales intérieures des deux tiges de liaison sont articulées sur la partie de raccordement pivot respectivement et les parties d'extrémité latérales extérieures des deux tiges de liaison sont articulées sur les deux poutrelles de support respectivement. L'ensemble d'entraînement est monté sur la surface latérale du cadre et comprend un premier élément rotatif, un second élément rotatif relié de manière synchrone au premier élément rotatif et une pédale. L'ensemble de transmission est utilisé pour relier de manière synchrone le second élément rotatif à la roue correspondante au niveau de la partie inférieure de l'une des poutrelles de support. Les processus de dépliage et de pliage de la bicyclette sont simples, faciles et rapides, les poutrelles de support pliées peuvent être disposées à l'intérieur du cadre et la bicyclette pliée présente un faible encombrement est commode à transporter.
PCT/CN2014/083443 2014-07-31 2014-07-31 Bicyclette pliable WO2016015295A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2014/083443 WO2016015295A1 (fr) 2014-07-31 2014-07-31 Bicyclette pliable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2014/083443 WO2016015295A1 (fr) 2014-07-31 2014-07-31 Bicyclette pliable

Publications (1)

Publication Number Publication Date
WO2016015295A1 true WO2016015295A1 (fr) 2016-02-04

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PCT/CN2014/083443 WO2016015295A1 (fr) 2014-07-31 2014-07-31 Bicyclette pliable

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WO (1) WO2016015295A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITUB20160583A1 (it) * 2016-02-09 2017-08-09 Bromas Log S R L Gruppo di trasmissione privo di movimento centrale per un velocipede azionato a pedali

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992002402A1 (fr) * 1990-08-03 1992-02-20 Sinclair Research Ltd. Bicyclette pliable
DE20214201U1 (de) * 2001-09-14 2003-02-20 Hamba R & D Co Faltbares Elektrofahrzeug zur Erholung und zum Reisen
EP1419085A1 (fr) * 2001-08-20 2004-05-19 Albert Hofbauer Velo pliant
US20070018422A1 (en) * 2005-07-22 2007-01-25 Liang-Fong Pan Foldable bicycle
US20090289434A1 (en) * 2008-05-21 2009-11-26 U10 Inc. Folding bicycle

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992002402A1 (fr) * 1990-08-03 1992-02-20 Sinclair Research Ltd. Bicyclette pliable
EP1419085A1 (fr) * 2001-08-20 2004-05-19 Albert Hofbauer Velo pliant
DE20214201U1 (de) * 2001-09-14 2003-02-20 Hamba R & D Co Faltbares Elektrofahrzeug zur Erholung und zum Reisen
US20070018422A1 (en) * 2005-07-22 2007-01-25 Liang-Fong Pan Foldable bicycle
US20090289434A1 (en) * 2008-05-21 2009-11-26 U10 Inc. Folding bicycle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITUB20160583A1 (it) * 2016-02-09 2017-08-09 Bromas Log S R L Gruppo di trasmissione privo di movimento centrale per un velocipede azionato a pedali
EP3205568A1 (fr) * 2016-02-09 2017-08-16 Bromas - Log S.r.l. Ensemble de transmission sans support inférieur pour vélocipèdes

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