WO2013049970A1 - 一种多功能四轮变形自行车 - Google Patents

一种多功能四轮变形自行车 Download PDF

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Publication number
WO2013049970A1
WO2013049970A1 PCT/CN2012/000076 CN2012000076W WO2013049970A1 WO 2013049970 A1 WO2013049970 A1 WO 2013049970A1 CN 2012000076 W CN2012000076 W CN 2012000076W WO 2013049970 A1 WO2013049970 A1 WO 2013049970A1
Authority
WO
WIPO (PCT)
Prior art keywords
frame
faucet
connecting rod
rod
multifunctional
Prior art date
Application number
PCT/CN2012/000076
Other languages
English (en)
French (fr)
Inventor
戴维峰
Original Assignee
Dai Weifeng
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 Dai Weifeng filed Critical Dai Weifeng
Publication of WO2013049970A1 publication Critical patent/WO2013049970A1/zh
Priority to US14/083,396 priority Critical patent/US9090302B2/en

Links

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
    • B62B3/02—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving parts being adjustable, collapsible, attachable, detachable or convertible
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B5/00—Accessories or details specially adapted for hand carts
    • B62B5/06—Hand moving equipment, e.g. handle bars
    • B62B5/064—Hand moving equipment, e.g. handle bars adaptable for different users, e.g. by means of pivoting elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B7/00—Carriages for children; Perambulators, e.g. dolls' perambulators
    • B62B7/04—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
    • B62B7/12—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor convertible, e.g. into children's furniture or toy
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B9/00—Accessories or details specially adapted for children's carriages or perambulators
    • B62B9/20—Handle bars; Handles
    • 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
    • B62K5/00—Cycles with handlebars, equipped with three or more main road wheels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B2205/00—Hand-propelled vehicles or sledges being foldable or dismountable when not in use
    • B62B2205/18—Geared articulations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B2206/00—Adjustable or convertible hand-propelled vehicles or sledges
    • B62B2206/006—Convertible hand-propelled vehicles or sledges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B5/00—Accessories or details specially adapted for hand carts
    • B62B5/06—Hand moving equipment, e.g. handle bars
    • B62B5/067—Stowable or retractable handle bars

Definitions

  • the invention relates to a novel bicycle, in particular to a multifunctional four-wheel deformation bicycle.
  • Bicycles are commonly used transportation vehicles, and are popular with people for their simple structure and convenient use. At present, there are many types of bicycles on the market, such as folding bicycles, 'retractable bicycles, three-wheeled bicycles and baby strollers, but the above-mentioned models have a single function and are not compatible.
  • the Chinese patent multi-function four-wheel bicycle discloses a multifunctional four-wheel bicycle consisting of a frame, four wheels, a chain transmission mechanism, a pedal mechanism, a seat cushion, and a handlebar. And steering mechanism for older people of all ages. By adding a support mechanism, it can be used as an indoor exercise vehicle, but the structure of the multifunctional four-wheel bicycle frame and the steering mechanism is complicated and the operation is laborious; the front fixed bracket and the rear fixed bracket of the frame are triangular brackets, and the front fixed A pedal mechanism and a chain transmission mechanism are disposed between the frame and the rear fixing frame.
  • the large disk and the small flower disk in the chain transmission mechanism are respectively fixed at the two ends of the extension tube, and the length of the chain is fixed, and the expansion and contraction of the extension tube necessarily causes the chain.
  • the loose tube is loose, so the design of the telescopic tube of the multifunctional four-wheel bicycle is unreasonable; at the same time, the multifunctional four-wheel bicycle has a large volume, a complicated structure, an inconspicuous design, inconvenient storage, and no contraction.
  • the technical problem to be solved by the present invention is to provide a multifunctional four-wheel deformation bicycle with simple structure, labor-saving operation, large telescopic distance and folding of the rod, and the multifunctional four-wheel deformation bicycle can be transformed into a shopping cart and a baby. Children's trolleys, picnic carts. .
  • a multifunctional four-wheel deformation bicycle including a telescopic frame, a load base, two front wheels, two rear wheels, a steering mechanism, a brake mechanism, and a pedal Device, chain drive and seat cushion.
  • the frame is a telescopic frame, which comprises a frame rear support frame, a frame oblique connection pipe, a frame transverse connection pipe, and two or more sets of telescopic casing groups arranged side by side, and the telescopic casing group includes a vehicle.
  • the load base includes a beam, a front connecting rod, a left connecting rod, a right connecting rod and a trailing edge connecting rod, and a fence of the inner connecting rod of each of the connecting rods.
  • the two front wheels are respectively axially connected to the two ends of the load base beam by bearings at the top ends of the front forks.
  • the two rear wheels are respectively axially connected to two ends of the rear axle main shaft.
  • the steering mechanism comprises a faucet, a horizontal connecting crossbar, a steering bending arm, a main pole of the faucet and a horizontal movable connecting rod fixedly arranged at a lower end of the main pole of the faucet, and a horizontal movable connecting rod forms a diamond movable frame with an intermediate part of the horizontal connecting crossbar.
  • the faucet main pole includes a main pole on the faucet and a main faucet on the faucet.
  • the brake mechanism includes a disc brake, a disc brake and a brake lever.
  • the pedal device includes a pedal, a pedal arm, a pedal spindle, and a sleeve.
  • the chain transmission mechanism includes a large disk group, a small disk group and a chain.
  • the seat cushion assembly includes a seat cushion and a seat cushion branch.
  • the telescopic frame comprises a frame rear support frame, a frame oblique connection tube, a frame transverse connection tube and two or more sets of telescopic sleeve groups arranged side by side, and the telescopic sleeve group comprises a front frame of the frame, The middle of the frame and the rear casing of the frame.
  • the front casing of the frame is fixed to the bottom of the load base and the movable sleeve is sleeved at the front end of the rod in the frame, and the rear sleeve of the frame is fixedly sleeved at the tail end of the rod in the frame; the middle pole of the frame is in the frame
  • the front part of the rear casing can be completely retracted into the front casing of the frame, and the nozzle of the front casing of the frame is provided with a second fastening device for adjusting the telescopic movement of the rod in the front frame of the fastening frame.
  • the telescopic sleeve set is arranged in two or more sets horizontally side by side, and the guide rib is arranged at the nozzle of the front sleeve of the frame, and the rod in the middle frame of the frame is provided for determining the extension length
  • the guiding groove, the guiding ribs cooperate with the guiding groove to slide.
  • the front sleeves of the respective frames are arranged side by side and fixedly connected with the bottom of the load base, and each of the rear sleeves of the frame and the front sleeve of the frame are fixedly arranged side by side, and the front sleeve of the frame is
  • the rod in the frame is any corresponding tubular shape, and the rod in the frame is in sliding engagement with the front sleeve of the frame.
  • the frame rear support frame comprises a frame rear riser, a left oblique branch pipe and a right oblique branch pipe, and the upper ends of the left inclined branch pipe and the upper end of the right inclined branch pipe are respectively welded on the rear riser of the frame, and the lower end of the left oblique branch pipe and The lower end of the right oblique branch pipe is respectively welded to the two ends of the rear axle of the rear wheel, and the lower end of the rear riser of the frame and the rear end of the transverse pipe of the frame are respectively fixedly connected at the midpoint of the main shaft of the rear axle, behind the frame
  • the sleeve is fixedly connected with the upper end of the oblique pipe of the frame and the upper end of the rear riser of the frame, and the lower end of the oblique pipe of the frame and the front end of the transverse pipe of the frame are respectively fixedly connected to the sleeve of the pedal device.
  • the bottom of the load carrying base is provided with a beam supported on the top end of the two forks for bearing, and the two ends of the beam are axially connected with the two forks through the bearing, and the midpoint of the beam and the front casing of the frame
  • the ten' word is fixed and the beam forms a flat surface with the front casing of the frame.
  • the load-bearing base is provided with an embedded and disassembled flat-paneled fence in the plane, and the load-bearing base is surrounded by a front connecting rod, a left connecting rod, a right connecting rod and a rear connecting rod, and the front connecting rod and the left side
  • the connecting rod, the right connecting rod and the rear connecting rod respectively have a fence hinged on the side of the fence, and a connecting hook for connecting the adjacent fence is arranged on the side of the fence, the fence in the load base is opened, and the fence is connected by the connecting hook.
  • the size of the load base is designed to match the child safety seat of the car and is provided with a transparent elastic cover that is both safe and weatherproof.
  • the two front wheels are movably coupled to the load carrying base by bearings of the two front forks and the two front fork ends, respectively.
  • the two rear wheels are respectively connected to the two ends of the rear axle through the overrunning clutch shaft, and the differential action of the overrunning clutch in the turning motion of the vehicle will ensure the safety and stability of the vehicle.
  • the steering mechanism comprises a faucet, a horizontal connecting crossbar, a steering bending arm, a main pole of the faucet and a horizontal movable connecting rod fixedly arranged at a lower end of the main pole of the faucet, and a horizontal movable connecting rod forms a diamond movable frame with an intermediate part of the horizontal connecting crossbar.
  • the handles, the brake levers and the adjusters are respectively disposed on two sides of the top end of the faucet.
  • the two ends of the horizontal connecting crossbar are respectively movably connected to the steering bending arm fixed to the inner front edge of the front fork by a bearing, and the two steering bending arms are fixed at an angle and are respectively fixed to the inner front edge of the front fork.
  • the faucet main pole includes a faucet upper main rod passing through a faucet fixed to the bottom of the load bearing base and a faucet upper main rod movably connected to the upper end of the faucet lower main rod, and the lower end of the faucet main rod and the faucet lower main
  • the upper end of the rod is spliced by the pin riveting action, and the top of the main pole of the faucet is movable on the top of the main pole - an upper curved gear block is arranged, and the upper end of the main pole of the lower tap is fixedly provided with a lower curved gear block, and the upper curved gear is arranged
  • the block and the lower curved gear block are engaged with each other, and a spring is arranged in the tube of the main rod of the faucet, the upper end of the spring is fixed in the main rod of the faucet, the lower end of the spring is in close contact with the upper end of the upper curved gear block, and the upper end of the upper curved gear block is at the upper end
  • the wire rope is fixedly connected, and the wire rope is fixed
  • the upper curved gear block is provided with an oblong hole, and the pin rivet passes through the oblong hole to movably connect the lower main pole of the faucet with the main pole of the faucet. Clutching the upper and lower gear blocks through the adjuster allows the main lever on the faucet to be adjusted vertically upwards until it is flattened backwards.
  • the horizontal movable connecting rod and the intermediate portion of the horizontal connecting cross rod form a diamond movable frame for coordinating two front wheel turning
  • the horizontal movable connecting rod includes a first horizontal movable connecting rod and a second horizontal activity a connecting rod and a third horizontal movable connecting rod, wherein a lower end of the lower main rod is fixedly connected to a center of the first horizontal movable connecting rod, and one end of the second horizontal movable connecting rod and the first One ends of the three horizontal movable connecting rods are respectively axially connected to the two ends of the first horizontal movable connecting rod, and the other end of the second horizontal movable connecting rod and the other end of the third horizontal movable connecting rod are respectively a shaft is connected to the horizontal connecting crossbar, and two ends of the horizontal connecting crossbar are respectively movably connected to the steering bending arm through bearings, and the two steering bending arms are fixed at an angle and respectively fixed to The inside front edge of the front fork.
  • the brake mechanism comprises a brake lever, a disc brake device and a disc brake disc.
  • the disc brake device is respectively fixedly disposed on the inner wall of the two front forks and the rear riser of the frame, and the disc brake discs are respectively fixedly disposed inside and behind the two front wheels.
  • On the bridge main shaft the brake levers are respectively disposed at two ends of the faucet, and the brake levers are linked with the disc brakes through the brake wires.
  • the chain transmission mechanism comprises a large disk group disposed on the pedal device and a small disk group disposed on the main shaft of the rear axle, wherein the large disk group and the small disk group are connected by a chain drive, and the largest of the small disk groups
  • the disc is fixed in two directions on the rear axle spindle. This maximum disc is driven by the chain and can be moved forward or reversed. The rest of the disk
  • the forward one-way fixed setting is on the rear axle main shaft and can only be advanced.
  • the seat cushion is installed at an upper end of the seat cushion branch pipe, and the seat cushion branch pipe is inserted into the rear riser of the frame, and the rear standpipe of the frame is provided with a lifting and lowering activity for adjusting the fastening seat pipe branch pipe in the rear riser of the frame
  • the first fastening device can make the seat cushion branch pipe rise and fall freely in the rear riser of the frame.
  • the invention is a multifunctional four-wheel deformation bicycle, wherein the rod in the frame is completely retracted into the front casing of the frame, and the hidden folding flat stack is embedded in the loading base.
  • the fence by adjusting the adjuster on the faucet, adjusting the angle of the main pole and the frame on the faucet, thereby transforming into a shopping cart; installing the car child safety seat into the baby stroller in the open load-bearing base fence; opening the load base
  • the hidden plane is embedded in the plane, so that the front, left and right sides are suspended, and the rear fence is leveled backwards, so that the bottom surface of the load base and the rear side fence form a tabletop horizontally, and the whole vehicle is transformed into a picnic table, which is convenient for eating in the wild;
  • the rod in the frame is completely retracted into the front casing of the frame, and the first fastening device is adjusted, and the seat cushion and the seat cushion branch adjusting adjuster are lowered to make the main pole of the faucet
  • the utility model relates to a multifunctional four-wheel deformation bicycle, which has the function of transforming from a bicycle into a baby stroller, a shopping cart and a picnic car, and is more suitable for a leisure outing of urban people in a busy work.
  • the shrinkage fence and the frame and the folding faucet can be changed in size, easy to carry and easy to store.
  • the multifunctional four-wheel deformation bicycle has the advantages of extremely design, simple structure, convenient connection, convenient change, convenient carrying, practical fashion, large volume change, harmonious appearance, retractable frame, faucet and the like, and can be realized. A light transition between bicycles and baby strollers, shopping carts, and picnic cars.
  • Figure 1 is a front elevational view of a multifunctional four-wheel deformation bicycle of the present invention
  • FIG. 2 is a top plan view of a multifunctional four-wheel deformation bicycle according to the present invention.
  • Figure 3 is a partial enlarged view of a portion A of Figure 1 of the present invention.
  • Figure 4 is a partial enlarged view of a portion B of Figure 2 of the present invention.
  • 5 is a schematic view of a rear support frame of a multifunctional four-wheel deformation bicycle frame according to the present invention
  • 6 is a schematic view showing the bottom structure of the embedded hidden disassembly flat-paneled fence according to the present invention
  • Figure 7 is a longitudinal cross-sectional view of the embedded hidden disassembly flat stacking fence of the present invention.
  • FIG. 8 is a schematic view of a multi-function four-wheel deformation bicycle deformed into a shopping cart and a baby stroller according to the present invention
  • FIG. 9 is a schematic view showing a multi-function four-wheel deformation bicycle deformed into a picnic car according to the present invention
  • Figure 10 is a diagram showing the fully collapsed state of a multifunctional four-wheel deformed bicycle of the present invention.
  • a multifunctional four-wheel deformation bicycle includes a telescopic frame, a load base 2, two front wheels 21, and two rears.
  • the frame is a telescopic frame, including a frame rear support frame and a frame oblique connection.
  • the pipe 13, the frame transverse pipe 16 and two or more sets of telescopic casing sets arranged side by side, the telescopic casing group comprises a frame front casing 3, a frame middle rod 9 and a frame rear casing 10.
  • the load base 2 includes a beam 26, a leading edge connecting rod 32, a left connecting rod 33, a right connecting rod 34 and a trailing edge connecting rod 35, and a fence 1 of the hinges in each of the above connecting rods.
  • the two front wheels 21 are axially coupled to the ends of the beam 26 by first bearings 24 at the top end of the front fork 23.
  • the two rear wheels 18 are respectively axially coupled to both ends of the rear axle spindle 29.
  • the steering mechanism includes a faucet 48, a horizontal connecting crossbar 30, a steering bending arm 25, a faucet main pole 5, and a horizontal movable connecting rod fixedly disposed at a lower end of the faucet main rod, and a horizontal movable connecting rod and a horizontal connecting connecting rod 30 form a diamond-shaped activity
  • the gantry main pole 5 includes a faucet upper main pole 5a and a faucet lower main pole 5b.
  • the brake mechanism includes a disc brake 22, a disc brake 20, and a brake lever 7.
  • the pedal device includes a foot pedal, a pedal arm and a pedal spindle, and a sleeve.
  • the chain drive mechanism includes a large disk set 19, a small disk set 37 and a chain 17.
  • the seat cushion assembly includes a seat cushion 11 and a seat cushion branch pipe 12.
  • the telescopic frame includes a frame rear support frame, a frame oblique connection pipe 13, a frame transverse connection pipe 16, and two or more sets of telescopic expansion and arrangement side by side.
  • the casing set, the telescopic casing set includes a frame front casing 3, a frame middle rod 9 and a frame rear casing 10.
  • the front sleeve 3 of the frame is fixed to the bottom of the load base 2 and is sleeved on the front end of the rod 9 in the frame, and the sleeve 10 is fixedly sleeved on the tail end of the rod 9 in the frame; the rod 9 in the frame
  • the portion in front of the casing 10 behind the frame can be completely retracted into the front casing 3 of the frame, and the nozzle of the front casing 3 of the frame is provided for
  • a second fastening device 27 for adjusting the telescopic movement of the rod 9 in the front frame 3 of the fastening frame is adjusted.
  • the telescopic casing sets are arranged in two or more sets horizontally side by side, and the guide ribs are arranged at the nozzles of the front casing 3 of the frame, and the rods 9 in the frame are provided with the length of the telescopic length.
  • the guiding groove, the guiding rib and the guiding groove cooperate to slide.
  • the front frame 3 of each frame is arranged side by side and fixedly connected with the bottom of the load base 2
  • the rear frame 10 of each frame is fixedly arranged side by side with the front casing 3 of the frame
  • the front casing 3 and the middle frame of the frame 9 is any corresponding tubular shape
  • the rod 9 in the frame is slidably engaged with the front sleeve 3 of the frame.
  • the frame rear support frame includes a frame rear riser 15, a left oblique branch 15a, and a right oblique branch 15b, and the upper end of the left oblique branch 15a and the upper end of the right oblique branch 15b are respectively
  • the lower end of the left inclined branch pipe 15a and the lower end of the right inclined branch pipe 15b are respectively connected to the two ends of the rear axle main shaft 29 of the rear wheel 18, and the lower end of the frame rear riser 15 and the frame are welded to the rear stand 15 of the frame.
  • the rear end of the transverse pipe 16 is fixedly connected to the midpoint of the rear axle main shaft 29, and the rear casing 10 is fixedly connected with the upper end of the frame oblique pipe 13 and the upper end of the rear frame vertical pipe 15, respectively.
  • the lower end of the inclined pipe 13 and the front end of the frame transverse pipe 16 are fixedly coupled to the bushing of the pedal device, respectively.
  • the bottom of the load carrying base 2 is provided with a beam 26 which is placed on the top end of the two front forks 23 for bearing, and the two ends of the beam 26 pass through the first bearing 24
  • the two front forks 23 are movably connected, and the midpoint of the beam 26 is fixed to the front casing 3 '10' and the beam 26 is formed flat with the front casing 3 of the frame.
  • the recessed detachable flat fence 1 is disposed in the plane of the load base 2, and the load base 2 is surrounded by a front connecting rod 32, a left connecting rod 33, a right connecting rod 34 and a trailing edge connecting rod 35, and the front connecting rod 32
  • the left connecting rod 33, the right connecting rod 34 and the trailing edge connecting rod 35 are hinged with a fence 1 respectively, and the side of the fence 1 is provided with a connecting hook for connecting the adjacent fence 1 to open the fence in the load carrying base 2 1.
  • the load-bearing base is 2 inches in size with the car child safety seat 4 and is equipped with a transparent elastic cover that is both safe and weatherproof.
  • the two front wheels 21 are movably coupled to the load carrying base 2 via the two front forks 23 and the first bearings 24 at the top ends of the two front forks 23, respectively.
  • the two rear wheels 18 are axially coupled to the ends of the rear axle spindle 29 via the overrunning clutch 28, and the differential action of the overrunning clutch 28 during the turning motion of the vehicle will ensure safe and smooth operation of the vehicle.
  • the steering mechanism includes a dragon, 48, a horizontal connecting rail 30, a turning arm 25, a faucet main pole 5, and a lower end of the faucet main pole 5.
  • the fixed horizontal connecting rod, the horizontal movable connecting rod and the middle portion of the horizontal connecting rail 30 form a diamond-shaped movable frame (the structure shown in part B in Fig. 2), and coordinate the two front wheel turns.
  • the top end of the faucet 48 is provided with a handle 8, a brake lever 7 and a regulator 6, respectively.
  • the two ends of the horizontal connecting rail 30 are movably connected to the steering arm 25 fixed to the inner front edge of the front fork 23 via the second bearing 31.
  • the two steering arms 25 are angled and fixed to the inner front edge of the front fork 23, respectively.
  • the faucet main pole 5 includes a bottom that is fixed to the bottom of the load base 2
  • the faucet lower main rod 5b of the squaring bearing 43 and the faucet upper main rod 5a movably connected to the upper end of the faucet lower main rod 5b, the lower end of the faucet upper main rod 5a and the upper end of the faucet lower main rod 5b are moved by the pin rive 40.
  • the upper convex end of the main pole 5a of the faucet is provided with an upper curved gear block 41, and the upper end of the lower main rod 5b is fixedly provided with a lower curved gear block 42, the upper curved gear block 41 and the lower portion.
  • the curved gear blocks 42 are engaged with each other, and a spring 39 is disposed in the tube of the main rod 5a of the faucet.
  • the upper end of the spring 39 is fixed in the upper main rod 5a of the faucet, and the lower end of the spring 39 is in close contact with the upper end of the upper curved gear block 41, the upper arc
  • the upper end of the gear block 41 is fixedly connected to the wire rope 38, and the wire rope 38 is fixed to the adjuster 6 through the spring 39 through the tube of the upper main rod 5a.
  • the upper curved gear block 41 is provided with an oblong hole 44 through which the pin rivet 40 is movably connected to the faucet upper main rod 5a through the oblong hole 44.
  • the upper crown gear block 41 and the lower curved gear block 42 are engaged by the adjuster 6, so that the upper main rod 5a of the faucet is arbitrarily adjusted in the upward vertical direction until the rearward flatness is flat.
  • the intermediate portion of the horizontal movable connecting rod and the horizontal connecting crossbar 30 forms a diamond-shaped movable frame (the structure shown in part B in FIG. 2) for coordinating the turning of the two front wheels 21.
  • the horizontal movable connecting rod includes a first horizontal movable connecting rod 45, a second horizontal movable connecting rod 46 and a third horizontal movable connecting rod 47.
  • the lower end of the lower leading main rod 5b is fixedly connected with the center of the first horizontal movable connecting rod 45, One end of the two horizontal movable connecting rod 46 and one end of the third horizontal movable connecting rod 47 are respectively axially coupled to both ends of the first horizontal movable connecting rod 45, the other end of the second horizontal movable connecting rod 46 and the third horizontal movable connecting rod
  • the other ends of the hinges are respectively connected to the horizontal connecting rails 30, and the two ends of the horizontal connecting rails 30 are respectively movably connected to the turning arms 25 through the second bearing 31.
  • the two turning arms 25 are fixed at an angle and respectively fixed to The inner leading edge of the front fork 23.
  • the brake mechanism includes a brake lever 7, a disc brake 22 and a disc brake 20, and the disc brakes 22 are fixedly disposed on the inner walls of the two front forks 23 and the rear riser 15 of the frame, respectively.
  • 20 is fixedly disposed on the inner side of the two front wheels 21 and the rear axle main shaft 2, respectively, and the brake levers 7 are respectively disposed at two ends of the faucet 48, and the brake lever 7 is interlocked with the disc brakes 22 through the brake wires.
  • the chain drive mechanism includes a large disk assembly 19 disposed on the pedal device and a small disk assembly 37 disposed on the rear axle spindle 29.
  • the large disk assembly 19 and the small disk assembly 37 are coupled by a chain 17
  • the largest disc 37a of the small disc group 37 is bidirectionally fixed to the rear axle main shaft 29, and the maximum disc 37a is driven by the chain 17, and can be advanced or reversed.
  • the remaining discs are fixed in the forward direction on the rear axle spindle 29 and can only be advanced.
  • the seat cushion 11 is mounted on the upper end of the seat cushion branch pipe 12, and the seat cushion branch pipe 12 is inserted into the rear frame riser 15 of the frame.
  • the rear standpipe 15 of the frame is provided with a support for adjusting the fastening seat pipe branch pipe.
  • the first fastening device 14 that moves up and down in the rear stand 15 of the frame allows the seat support pipe 12 to be lifted and lowered in the rear stand 15 of the frame.
  • the present invention is a multifunctional four-wheel deformation bicycle.
  • the rod 9 in the frame is completely retracted into the front casing 3 of the frame, and the hidden folding flat fence 1 is embedded in the load base 2 Adjusting the angle of the main pole 5a on the faucet to the frame by adjusting the adjuster 6 on the faucet 48, thereby deforming into a shopping cart, as shown in FIG. 8;
  • the rod 9 in the frame is completely retracted into the front casing 3 of the frame, the second fastening device 27 is adjusted, the seat cushion 11 and the seat cushion branch 12 are lowered, and the adjusting lever 6 is adjusted so that the main pole 5a of the faucet is bent backward and flattened.
  • the two sleeves 10 form a plane, and the flat-folded four-sided fence 1 is embedded in the plane of the load-bearing base 2, and the whole vehicle becomes smaller in size, and can be loaded into a trunk of a car or a home cabinet, such as Figure 10 shows.
  • the present invention is a multifunctional four-wheel deformation bicycle, which has the function of transforming from a bicycle into a baby stroller, a shopping cart and a picnic cart, and is more suitable for urban people to enjoy leisure work.
  • the multifunctional four-wheel deformation bicycle has the advantages of vibrant design, simple structure, convenient connection, convenient change, convenient carrying, practical fashion, large volume change, harmonious appearance, retractable frame, and faucet folding, etc. A light transition between bicycles and baby strollers, shopping carts, and picnic cars.
  • the multifunctional four-wheel deformation bicycle of the present invention adopts a 16-inch rim, and the whole vehicle has a length of 1316 mm and a width of 580 to make the height 800-1000; as shown in Fig. 10, the entire vehicle is 966 after being fully folded. Let the width 580 make the height 500mra. Taking this size ratio as an example, it is not mentioned here.

Abstract

本发明一种多功能四轮变形自行车，包括伸缩车架、两个前轮、两个后轮、载重基座、转向机构、制动机构、脚踏装置、链传动机构和座垫，特点是伸缩车架包括车架后支撑架、车架斜连管、车架横连管及两组或两组以上并排设置的伸缩套管组，伸缩套管组包括车架前套管、车架中杆和车架后套管，车架中杆处于车架后套管前的部分可完全缩入车架前套管中；转向机构包括龙头、水平连接横杆、转向弯臂、龙头主杆及水平活动连接杆，龙头主杆包括相互活动连接的龙头上主杆和龙头下主杆，龙头上主杆通过调节器在向上竖直到向后放平弧度内任意调节，优点是结构简洁、携带方便，车架可伸缩，龙头可折缩等，可实现自行车与童婴手推车、购物车、野餐车之间轻捷转变。

Description

一种多功能四轮变形自行车 技术领域
本发明涉及一种新型自行车， 尤其是涉及一种多功能四轮变形自行车。
背景技术
自行车是人们常用的交通工具， 以结构简单、 使用方便为人们所喜爱。 目前市场上 自行车的种类很多， 有折叠自行车，'伸缩自行车， 三轮自行车和婴童手推车等， 但是上 述各款车存在功能单一， 兼容性不强等不足。
中国专利多功能四轮自行车 （专利号为 ZL 200820031870.5 ) 公开了一种多功能的 四轮自行车， 该四轮自行车由车架、 四个车轮、 链传动机构、 脚踏机构、 座垫、 车把手 和转向机构， 适用于各年龄层次的老年人使用。 通过增设支撑机构， 可作为室内健身车 使用， 但该多功能四轮自行车车架和转向机构结构都较复杂， 且操作费力； 车架的前固 定支架和后固定支架都为三角支架，前固定架和后固定架之间设置有脚踏机构和链传动 机构，链传动机构中的大花盘、小花盘分别固定于伸缩管的两端，链条的长度是一定的， 伸縮管的伸缩势必造成链条的松、 掉， 因此该多功能四轮自行车的伸缩管设计不合理； 同时该多功能四轮自行车存在体积庞大， 结构复杂， 设计不周密， 存放不便， 不可折缩 等不足。
发明内容
本发明所要解决的技术问题是提供一种结构简单、操作省力、 车架伸縮距离大并且 把杆可折缩的多功能四轮变形自行车， 该多功能四轮变形自行车可变形为购物车、 婴童 手推车、 野餐车。 .
本发明解决上述技术问题所采用的技术方案为：一种多功能四轮变形自行车， 包括 伸缩车架、 载重基座、 两个前轮、 两个后轮、 转向机构、 制动机构、 脚踏装置、 链传动 机构和座垫。 所述的车架为伸缩车架， 包括车架后支撑架、 车架斜连管、 车架横连管及 两组或两组以上并排设置的伸缩套管组构成， 伸缩套管组包括车架前套管、 车架中杆和
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确 认 本 车架后套管。 所述的载重基座包括横梁、 前沿连接杆.、 左连接杆、 右连接杆和后沿连接 杆及上述各连接杆内铰链的栅栏。所述的两个前轮通过前叉顶端的轴承分别轴接于所述 的载重基座横梁的两端。所述的两个后轮分别轴接于后桥主轴的两端。所述的转向机构 包括龙头、 水平连接横杆、 转向弯臂、 龙头主杆及龙头主杆下端固定设置的水平活动连 接杆， 水平活动连接杆与水平连接横杆的中间部位形成菱形活动架， 所述的龙头主杆包 括龙头上主杆和龙头下主杆。 所述的制动机构包括碟刹器、 碟刹片和刹把。 所述的脚踏 装置包括脚踏、 脚踏臂及脚踏主轴、 套管。 所述的链传动机构包括大花盘组、 小花盘组 及链条。 座垫组件包括座垫和座垫支管。
所述的伸缩车架包括车架后支撑架、车架斜连管、车架横连管及两组或两组以上并 排设置的伸缩套管组， 伸缩套管组包括车架前套管、 车架中杆和车架后套管。 车架前套 管固定于载重基座的底部且活动套设在车架中杆前端，车架后套管固定套设在车架中杆 的尾端； 所述的车架中杆处于车架后套管前的部分可完全缩入车架前套管中， 车架前套 管的管口设置有用于调节紧固车架中杆在车架前套管中伸縮活动的第二紧固装置。
所述的伸缩套管组设置为水平并排的两组或两组以上，所述的车架前套管的管口处 设置有导向筋， 所述的车架中杆上设置有用于确定伸缩长度的导向凹槽， 所述的导向筋 与所述的导向槽配合滑动。或者各个所述的车架前套管并排设置且与载重基座底部固定 连接， 各个所述的车架后套管与车架前套管相应并排固定设置， 所述的车架前套管与车 架中杆为对应的任何规则管状， 所述的车架中杆与所述的车架前套管滑动配合。
所述的车架后支撑架包括车架后立管、左斜支管和右斜支管， 左斜支管的上端和右 斜支管的上端分别焊接于车架后立管上，左斜支管的下端和右斜支管的下端分别焊接于 后轮的后桥主轴的两端，车架后立管的下端和车架横连管的后端分别固定连接在后桥主 轴的中点位置上， 车架后套管分别与车架斜连管的上端和车架后立管的上端固定连接， 车架斜连管的下端和车架横连管的前端分别固定连接在脚踏装置的轴套上。
所述的载重基座的底部设置有架于所述的两前叉顶端用于承重的横梁，^横梁两端通 过轴承与两前叉活动轴接， 横梁中点部位与车架前套管 '十' 字固定且横梁与车架前套 管形成平面。所述的载重基座的平面内设置嵌隐式拆装平叠栅栏， 所述的载重基座由前 沿连接杆、 左连接杆、 右连接杆和后沿连接杆围成， 前沿连接杆、 左连接杆、 右连接杆 和后沿连接杆上分别铰链有栅栏， 栅栏的侧边上设置有用于连接相邻栅栏的连接卡钩， 打开载重基座内的栅栏， 将栅栏用连接卡钩连接可组装成购物篮。载重基座尺寸与汽车 儿童安全座椅配套设计， 并设置有透明弹性防护罩， 既安全又可以挡风雨。 所述的两个前轮分别通过两个前叉及两个前叉顶端的轴承与载重基座活动轴接。 所述的两个后轮分别通过超越离合器轴接于后桥主轴的两端，超越离合器在车辆转 弯运动中的差速作用将确保车辆的安全平稳。
所述的转向机构包括龙头、 水平连接横杆、 转向弯臂、 龙头主杆及龙头主杆下端固 定设置的水平活动连接杆， 水平活动连接杆与水平连接横杆的中间部位形成菱形活动 架， 协调两前轮转弯。 所述的龙头顶端两边分别设置有把手、 刹把和调节器。 所述的水 平连接横杆的两端分别与固定于前叉内侧前沿的转向弯臂通过轴承活动连接，所述的两 个转向弯臂呈一定角度且分别固定于前叉的内侧前沿。所述的龙头主杆包括穿过固定于 载重基座底部对瓦轴承中的龙头下主杆及活动榫接于龙头下主杆上端的龙头上主杆，龙 头上主杆的下端与龙头下主杆上端通过销铆活动榫接，龙头上主杆下端的榫凸顶部活动 -设置有上弧形齿轮块， 龙头下主杆上端的榫凹内固定设置有下弧形齿轮块， 上弧形齿轮 块与下弧形齿轮块互相咬合， 龙头上主杆的管内设置有弹簧， 弹簧的上端固定于龙头上 主杆内，弹簧的下端与上弧形齿轮块上端紧密接触，上弧形齿轮块上端固定连接钢丝绳， 所述的钢丝绳穿过弹簧经龙头上主杆管内固定于调节器上。上弧形齿轮块上设置有长圆 形孔， 所述的销铆穿过长圆形孔将龙头下主杆与龙头上主杆活动连接。通过调节器离合 上、 下齿轮块使龙头上主杆在向上竖直到向后放平弧度内任意调节。
所述的水平活动连接杆与所述的水平连接横杆的中间部位形成用于协调两前轮转 弯的菱形活动架， 所述的水平活动连接杆包括第一水平活动连接杆、第二水平活动连接 杆和第三水平活动连接杆，所述的龙头下主杆的下端与所述的第一水平活动连接杆的中 心固定连接，所述的第二水平活动连接杆的一端和所述的第三水平活动连接杆的一端分 别轴接在所述的第一水平活动连接杆的两端，所述的第二水平活动连接杆的另一端和所 述的第三水平活动连接杆的另一端分别轴接在所述的水平连接横杆上，所述的水平连接 横杆的两端分别通过轴承与所述的转向弯臂活动连接，两个所述的转向弯臂呈一定角度 且分别固定于前叉的内侧前沿。
所述的制动机构包括刹把、碟刹器和碟刹片， 碟刹器分别固定设置在两前叉内壁和 车架后立管上， 碟刹片分别固定设置在两前轮内侧和后桥主轴上， 刹把分别设置在龙头 的两端， 所述的刹把通过刹车线与碟刹器联动。
所述的链传动机构包括设置于脚踏装置上的大花盘组和设置于后桥主轴上的小花 盘组， 大花盘组和小花盘组通过链条传动连接， 所述的小花盘组中的最大花盘双向固定 设置于后桥主轴上， 此最大花盘通过链条传动， 既可以前进， 也可以倒车。 其余花盘都 向前单向固定设置于后桥主轴上， 只可以前进。
所述的座垫安装在座垫支管的上端， 座垫支管插接在车架后立管中， 车架后立管上 设置有用于调节紧固座垫支管在车架后立管中升降活动的第一紧固装置，可使座垫支管 在车架后立管中升降自如。
与现有技术相比， 本发明的优点在于： 本发明为一种多功能四轮变形自行车， 车架 中杆完全缩入车架前套管内， 打开载重基座内嵌隐的折装平叠栅栏， 通过调节龙头上的 调节器， 调节龙头上主杆与车架的角度， 从而变形为购物车； 在打开的载重基座栅栏内 安装汽车儿童安全座椅变形为婴童手推车；打开载重基座平面内嵌隐的栅栏，使前、左、 右三面垂下， 后一面栅栏向后放平， 使载重基座底面与后一面栅栏水平形成桌面， 整车 变形为野餐桌， 便于野外就餐； 车架中杆完全缩入车架前套管内， 调节第一紧固装置， 降低座垫和座垫支管 调节调节器使龙头上主杆向后折弯放平并入车架两个后套管之间 形成平面， 平叠收缩四面栅栏使之嵌隐入载重基座平面内， 整车体积变小， 可装入汽车 后备箱或家庭橱柜。
综上所述， 本发明一种多功能四轮变形自行车， 有从自行车变形为婴童手推车、 购物车和野餐车的功能， 更适合都市人在忙碌工作之余休闲郊游。在四轮平稳安全的前 提下， 收缩栅栏和车架、 折缩龙头后做到体积变化极至， 便于携带， 便于保管。 本发明 一种多功能四轮变形自行车具有构思精巧， 结构简洁、机巧衔接，转变便捷， 携带方便， 实用时尚， 体积变化大， 协调美观， 车架可伸缩， 龙头可折缩等优点， 可实现自行车与 童婴手推车、 购物车、 野餐车之间轻捷转变。
适用于 婴童出行 -一 -一少年上学 青年上班一-- --中年休闲 老年购 物、 健身。为促进人类低碳环保与可持续发展的文明进程和满足人们休闲健身的内在需 求略尽微薄之力。
附图说明
图 1为本发明一种多功能四轮变形自行车的正视图；
图 2为本发明一种多功能四轮变形自行车的俯视图；
图 3为本发明的图 1中 A部局部放大图；
图 4为本发明的图 2中 B部局部放大图；
图 5为本发明一种多功能四轮变形自行车车架后支撑架示意图； 图 6为本发明的嵌隐式拆装平叠栅栏的底部结构示意图；
图 7为本发明的嵌隐式拆装平叠栅栏纵向截面剖视图；
图 8为本发明一种多功能四轮变形自行车变形为购物车、 婴童手推车示意图; 图 9为本发明一种多功能四轮变形自行车变形为野餐车示意图；
图 10为本发明一种多功能四轮变形自行车的完全折缩状态图。
具体实施方式
以下结合附图实施例对本发明作进一步详细描述。
具体实施例
本发明解决上述技术问题所采用的技术方案为： 如图 1和图 2所示，一种多功能四轮 变形自行车， 包括伸缩车架、 载重基座 2、 两个前轮 21、 两个后轮 18、 转向机构、 制动 机构、 脚踏装置、 链传动机构和座垫 11。
在此具体实施例中， 如图 1、 图 2、 图 3、 图 4、 图 5、 图 6和图 7所示， 该车架为伸缩 车架， 包括车架后支撑架、 车架斜连管 13、 车架横连管 16及两组或两组以上并排设置的 伸縮套管组构成， 伸缩套管组包括车架前套管 3、 车架中杆 9和车架后套管 10。 载重基座 2包括横梁 26、 前沿连接杆 32、 左连接杆 33、 右连接杆 34和后沿连接杆 35及上述各连接 杆内铰链的栅栏 1。两个前轮 21通过前叉 23顶端的第一轴承 24分别轴接于横梁 26的两端。 两个后轮 18分别轴接于后桥主轴 29的两端。 转向机构包括龙头 48、 水平连接横杆 30、 转 向弯臂 25、 龙头主杆 5及龙头主杆下端固定设置的水平活动连接杆， 水平活动连接杆与 水平连接横杆 30的中间部位形成菱形活动架（图 2中 B部所示结构）， 龙头主杆 5包括龙头 上主杆 5a和龙头下主杆 5b。 制动机构包括碟刹器 22、 碟刹片 20和刹把 7。 脚踏装置包括 脚踏、 脚踏臂及脚踏主轴、 套管。 链传动机构包括大花盘组 19、 小花盘组 37及链条 17。 座垫组件包括座垫 11和座垫支管 12。
在此具体实施例中， 如图 1和图 2所示， 伸縮车架包括车架后支撑架、 车架斜连管 13、 车架横连管 16及两组或两组以上并排设置的伸缩套管组， 伸缩套管组包括车架前 套管 3、 车架中杆 9和车架后套管 10。车架前套管 3固定于载重基座 2的底部且活动套 设在车架中杆 9前端， 车架后套管 10固定套设在车架中杆 9的尾端； 车架中杆 9处于 车架后套管 10前的部分可完全缩入车架前套管 3中， 车架前套管 3的管口设置有用于 调节紧固车架中杆 9在车架前套管 3中伸缩活动的第二紧固装置 27。
在此具体实施例中， 伸缩套管组设置为水平并排的两组或两组以上， 车架前套管 3 的管口处设置有导向筋， 车架中杆 9上设置有用于确定伸缩长度的导向凹槽， 导向筋与 导向槽配合滑动。或者各个车架前套管 3并排设置且与载重基座 2底部固定连接， 各个 车架后套管 10与车架前套管 3相应并排固定设置， 车架前套管 3与车架中杆 9为对应 的任何规则管状， 车架中杆 9与车架前套管 3滑动配合。
在此具体实施例中， 如图 5所示， 车架后支撑架包括车架后立管 15、左斜支管 15a 和右斜支管 15b，左斜支管 15a的上端和右斜支管 15b的上端分别焊接于车架后立管 15 上，左斜支管 15a的下端和右斜支管 15b的下端分别悍接于后轮 18的后桥主轴 29的两 端， 车架后立管 15的下端和车架横连管 16的后端分别固定连接在后桥主轴 29的中点 位置上，车架后套管 10分别与车架斜连管 13的上端和车架后立管 15的上端固定连接， 车架斜连管 13的下端和车架横连管 16的前端分别固定连接在脚踏装置的轴套上。
在此具体实施例中， 如图 2、 图 6和图 7所示， 载重基座 2的底部设置有架于两前 叉 23顶端用于承重的横梁 26，横梁 26两端通过第一轴承 24与两前叉 23活动轴接，横 梁 26中点部位与车架前套管 3 '十' 字固定且横梁 26与车架前套管 3形成平面。 载重 基座 2的平面内设置嵌隐式拆装平叠栅栏 1，载重基座 2由前沿连接杆 32、左连接杆 33、 右连接杆 34和后沿连接杆 35围成， 前沿连接杆 32、 左连接杆 33、 右连接杆 34和后沿 连接杆 35上分别铰链有栅栏 1，栅栏 1的侧边上设置有用于连接相邻栅栏 1的连接卡钩， 打开载重基座 2内的栅栏 1， 将栅栏 1用连接卡钩连接可组装成购物篮。 载重基座 2尺 寸与汽车儿童安全座椅 4配套设计， 并设置有透明弹性防护罩， 既安全又可以挡风雨。
在此具体实施例中，两个前轮 21分别通过两个前叉 23及两个前叉 23顶端的第一轴承 24与载重基座 2活动轴接。
在此具体实施例中， 两个后轮 18分别通过超越离合器 28轴接于后桥主轴 29的两端， 超越离合器 28在车辆转弯运动中的差速作用将确保车辆的安全平稳。
在此具体实施例中， 如图 1、 图 2、 图 3和图 4所示， 转向机构包括龙, 48、 水平连接 横杆 30、 转向弯臂 25、 龙头主杆 5及龙头主杆 5下端固定设置的水平活动连接杆， 水平活 动连接杆与水平连接横杆 30的中间部位形成菱形活动架 （图 2中 B部所示结构）， 协调两 前轮转弯。 龙头 48顶端两边分别设置有把手 8、 刹把 7和调节器 6。 水平连接横杆 30的两 端分别与固定于前叉 23内侧前沿的转向弯臂 25通过第二轴承 31活动连接，两个转向弯臂 25呈一定角度且分别固定于前叉 23的内侧前沿。龙头主杆 5包括穿过固定于载重基座 2底 部对瓦轴承 43中的龙头下主杆 5b及活动榫接于龙头下主杆 5b上端的龙头上主杆 5a,龙头 上主杆 5a的下端与龙头下主杆 5b上端通过销铆 40活动榫接，龙头上主杆 5a下端的裨凸顶 部活动设置有上弧形齿轮块 41， 龙头下主杆 5b上端的榫凹内固定设置有下弧形齿轮块 42， 上弧形齿轮块 41与下弧形齿轮块 42互相咬合， 龙头上主杆 5a的管内设置有弹簧 39， 弹簧 39的上端固定于龙头上主杆 5a内， 弹簧 39的下端与上弧形齿轮块 41上端紧密接触， 上弧形齿轮块 41上端固定连接钢丝绳 38，钢丝绳 38穿过弹簧 39经龙头上主杆 5a管内固定 于调节器 6上。 上弧形齿轮块 41上设置有长圆形孔 44， 销铆 40穿过长圆形孔 44将龙头下 主杆 5b与龙头上主杆 5a活动连接。通过调节器 6离合上弧形齿轮块 41和下弧形齿轮块 42， 使龙头上主杆 5a在向上竖直到向后放平弧度内任意调节。
在此具体实施例中， 如图 4所示， 水平活动连接杆与水平连接横杆 30的中间部位 形成用于协调两前轮 21转弯的菱形活动架（图 2中 B部所示结构）， 水平活动连接杆包 括第一水平活动连接杆 45、第二水平活动连接杆 46和第三水平活动连接杆 47， 龙头下 主杆 5b的下端与第一水平活动连接杆 45的中心固定连接， 第二水平活动连接杆 46的 一端和第三水平活动连接杆 47的一端分别轴接在第一水平活动连接杆 45的两端，第二 水平活动连接杆 46的另一端和第三水平活动连接杆 47的另一端分别轴接在水平连接横 杆 30上， 水平连接横杆 30的两端分别通过第二轴承 31与转向弯臂 25活动连接， 两个 转向弯臂 25呈一定角度且分别固定于前叉 23的内侧前沿。
在此具体实施例中， 制动机构包括刹把 7、 碟刹器 22和碟刹片 20， 碟刹器 22分别 固定设置在两前叉 23内壁和车架后立管 15上，碟刹片 20分别固定设置在两前轮 21内 侧和后桥主轴 2 上，刹把 7分别设置在龙头 48的两端，刹把 7通过刹车线与碟刹器 22 联动。
在此具体实施例中， 链传动机构包括设置于脚踏装置上的大花盘组 19和设置于后 桥主轴 29上的小花盘组 37,大花盘组 19和小花盘组 37通过链条 17传动连接，小花盘 组 37中的最大花盘 37a双向固定设置于后桥主轴 29上， 此最大花盘 37a通过链条 17 传动， 既可以前进， 也可以倒车。 其余花盘都向前单向固定设置于后桥主轴 29上， 只 可以前进。
在此具体实施例中， 座垫 11安装在座垫支管 12的上端， 座垫支管 12插接在车架 后立管 15中， 车架后立管 15上设置有用于调节紧固座垫支管在车架后立管 15中升降 活动的第一紧固装置 14, 可使座垫支管 12在车架后立管 15中升降自如。
实用实施例 在此实用实施例中， 本发明为一种多功能四轮变形自行车， 车架中杆 9完全缩入车 架前套管 3内， 打开载重基座 2内嵌隐的折装平叠栅栏 1， 通过调节龙头 48上的调节器 6， 调节龙头上主杆 5a与车架的角度， 从而变形为购物车， 如图 8所示；
在打开的载重基座 2栅栏 1内安装汽车儿童安全座椅 4变形为婴童手推车； 打开载重 基座 2平面内嵌隐的栅栏 1， 使前、 左、 右三面垂下， 后一面栅栏 1向后放平， 使载重基 座 2的底面 36与后一面栅栏 1水平形成桌面， 整车变形为野餐桌， 便于野外就餐， 如图 9 所示；
车架中杆 9完全缩入车架前套管 3内， 调节第二紧固装置 27, 降低座垫 11和座垫支管 12， 调节调节器 6使龙头上主杆 5a向后折弯放平并入车架两个后套管 10之间形成平面， 平叠收缩四面栅栏 1使之嵌隐入载重基座 2平面内， 整车体积变小， 可装入汽车后备箱或 家庭橱柜， 如图 10所示。
在此实用实施例中， 综上所述， 本发明一种多功能四轮变形自行车， 有从自行车 变形为婴童手推车、 购物车和野餐车的功能， 更适合都市人在忙碌工作之余休闲郊游。 在四轮平稳安全的前提下， 收缩栅栏 1和车架、 折缩龙头 48后做到体积变化极至， 便 于携带， 便于保管。 本发明一种多功能四轮变形自行车具有构思精巧， 结构简洁、 机巧 衔接， 转变便捷， 携带方便， 实用时尚， 体积变化大， 协调美观， 车架可伸缩， 龙头可 折缩等优点， 可实现自行车与童婴手推车、 购物车、 野餐车之间轻捷转变。
在此实用实施例中， 适用于 婴童出行 少年上学 青年上班 中年 休闲 老年购物、健身。 为促进人类低碳环保与可持续发展的文明进程和满足人们 休闲健身的内心需求略尽微薄之力。
在此实用实施例中， 本发明一种多功能四轮变形自行车制作时采用 16英寸轮圈， 整车长 1316mm宽 580讓高 800- 1000匿 ； 见图 10， 完全折缩后整车长 966讓 宽 580讓 高 500mra。 仅以此尺寸比例为例， 在此不一一例举。

Claims

1、 一种多功能四轮变形自行车， 包括车架、 载重基座、 两个前轮、 两个后轮、 转 向机构、 制动机构、 脚踏装置、 链传动机构和座垫， 两个前轮分别通过前叉与所述的载 重基座的底部连接， 其特征在于： 所述的车架为伸縮车架， 包括车架后支撑架、 车架斜 连管、车架横连管及两组或两组以上并排设置的伸缩套管组， 所述的伸缩套管组包括车 架前套管、车架中杆和车架后套管， 所述的车架前套管固定于载重基座的底部且活动套 设在所述的车架中杆前端， 所述的车架后套管固定套设在所述的车架中杆的尾端， 所述 的车架中杆处于所述的车架后套管前的部分可完全缩入所述的车架前套管中，所述的车 架前套管的管口设置有用于调节紧固车架中杆在车架前套管中伸缩活动的第二紧固装 置； 所述的转向机构包括龙头、 水平连接横杆、 所述的前叉下端固定设置的转向弯臂、 '· 龙头主杆及所述的龙头主杆下端固定设置的水平活动连接杆，所述的水平连接横杆的两 端分别与所述的转向弯臂活动连接，所述的龙头主杆包括相互活动连接的龙头上主杆和 龙头下主杆， 所述的龙头上主杆通过调节器在向上竖直到向后放平弧度内任意调节。
2、 根据权利要求 1所述的一种多功能四轮变形自行车， 其特征在于： 所述的龙头 两端分别设置有把手和调节器， 所述的龙头上主杆的上端与所述的龙头的中心固定连 接， 所述的龙头上主杆的下端与所述的龙头下主杆上端通过销铆活动榫接， 所述的龙头 上主杆下端的榫凸顶部活动设置有上弧形齿轮块，所述的龙头下主杆上端的榫凹内固定 设置有下弧形齿轮块， 所述的上弧形齿轮块与所述的下弧形齿轮块互相咬合， 所述的龙 头上主杆的管内设 有弹簧， 所述的弹簧的上端固定于所述的龙头上主杆内， 所述的弹 簧的下端与所述的上弧形齿轮块上端紧密接触，所述的上弧形齿轮块上端固定连接钢丝 绳， 所述的钢丝绳穿过弹簧经龙头上主杆管内固定于调节器上。
3、 根据权利要求 2所述的一种多功能四轮变形自行车， 其特征在于： 所述的水平 活动连接杆与所述 水平连接横杆的中间部位形成用于协调两前轮转弯的菱形活动架， 所述的水平活动连接杆包括第一水平活动连接杆、第二水平活动连接杆和第三水平活动 连接杆， 所述的龙头下主杆的下端与所述的第一水平活动连接杆的中心固定连接， 所述 的第二水平活动连接杆的一端和所述的第三水平活动连接杆的一端分别轴接在所述的 第一水平活动连接杆的两端，所述的第二水平活动连接杆的另一端和所述的第三水平活 动连接杆的另一端分别轴接在所述的水平连接横杆上，所述的水平连接横杆的两端分别 通过轴承与所述的转向弯臂活动连接，两个所述的转向弯臂呈一定角度且分别固定于前 叉的内侧前沿。
4、 根据权利要求 1所述的一种多功能四轮变形自行车， 其特征在于： 所述的车架 前套管的管口处设置有导向筋， 所述的车架中杆上设置有用于确定伸缩长度的导向凹 槽， 所述的导向筋与所述的导向槽配合滑动；
5、 根据权利要求 1所述的一种多功能四轮变形自行车， 其特征在于： 各个所述的 车架前套管并排设置且与所述的载重基座底部固定连接，各个所述的车架后套管与车架 前套管相应并排固定设置，所述的车架前套管与所述的车架中杆为相对应的任何规则管 状且相互滑动配合。
6、 根据权利要求 1所述的一种多功能四轮变形自行车， 其特征在于： 所述的载重 基座的底部设置有架于所述的两前叉顶端用于承重的横梁，所述的横梁两端通过轴承分 别与所述的前叉活动轴接， 所述的载重基座的平面内设置嵌隐式拆装平叠栅栏， 所述的 载重基座由前沿连接杆、 左连接杆、 右连接杆和后沿连接杆围成， 所述的前沿连接杆、 左连接杆、右连接杆和后沿连接杆上分别铰链有栅栏， 所述的栅栏的侧边上设置有用于 固定连接相邻栅栏的连接卡钩。
7、 根据权利要求 1所述的一种多功能四轮变形自行车， 其特征在于： 所述的链传 动机构包括设置于脚踏装置上的大花盘组和设置于后桥主轴上的小花盘组，所述的大花 盘组和所述的小花盘组通过链条传动连接，所述的小花盘组中设置有可用于前进和倒车 的最大花盘。
8、 根据权利要求 1所述的一种多功能四轮变形自行车， 其特征在于： 所述的车架 后支撑架包括车架后立管、左斜支管和右斜支管， 所述的左斜支管的上端和所述的右斜 支管的上端分别焊接于所述的车架后立管上，所述的左斜支管的下端和所述的右斜支管 的下端分别焊接于所述的后轮的后桥主轴的两端，所述的车架后立管的下端和所述的车 架横连管的后端分别固定连接在所述的后桥主轴的中点位置上，所述的车架后套管分别 与所述的车架斜连管的上端和所述的车架后立管的上端固定连接，所述的车架斜连管的 下端和所述的车架横连管的前端分别固定连接在所述的脚踏装置的轴套上。
9、 根据权利要求 8所述的一种多功能四轮变形自行车， 其特征在于： 所述的制动 机构包括刹把、碟刹器和碟刹片， 所述的碟刹器分别固定设置在两前叉内侧和车架后立 管上， 所述的碟刹片固定设置在两前轮内侧和后桥主轴上， 所述的刹把分别设置在龙头 上主杆的两端， 所述的刹把通过刹车线与所述的碟刹器联动。
10、 根据权利要求 1-9中任一项所述的一种多功能四轮变形自行车， 其特征在于: 所述的载重基座上可配套设置汽车儿童安全座椅和透明弹性防护罩。
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US20140070514A1 (en) 2014-03-13

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