WO2023077702A1 - 一种可摇摆的轴传动三轮车 - Google Patents
一种可摇摆的轴传动三轮车 Download PDFInfo
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- WO2023077702A1 WO2023077702A1 PCT/CN2022/079728 CN2022079728W WO2023077702A1 WO 2023077702 A1 WO2023077702 A1 WO 2023077702A1 CN 2022079728 W CN2022079728 W CN 2022079728W WO 2023077702 A1 WO2023077702 A1 WO 2023077702A1
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- Prior art keywords
- shaft
- torque output
- transmission
- frame
- transmission shaft
- Prior art date
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- 230000007246 mechanism Effects 0.000 claims abstract description 65
- 230000005540 biological transmission Effects 0.000 claims description 176
- 238000009434 installation Methods 0.000 claims description 13
- 230000035939 shock Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000004660 morphological change Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M17/00—Transmissions characterised by use of rotary shaft, e.g. cardan shaft
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62J43/00—Arrangements of batteries
- B62J43/10—Arrangements of batteries for propulsion
- B62J43/13—Arrangements of batteries for propulsion on rider-propelled cycles with additional electric propulsion
-
- 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
- B62K19/00—Cycle frames
- B62K19/30—Frame parts shaped to receive other cycle parts or accessories
- B62K19/34—Bottom brackets
-
- 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
- B62K5/02—Tricycles
- B62K5/027—Motorcycles with three wheels
-
- 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
- B62K5/02—Tricycles
- B62K5/06—Frames for tricycles
-
- 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
- B62K5/10—Cycles with handlebars, equipped with three or more main road wheels with means for inwardly inclining the vehicle body on bends
-
- 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
- B62K7/00—Freight- or passenger-carrying cycles
- B62K7/02—Frames
- B62K7/04—Frames having a carrying platform
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
- B62M6/40—Rider propelled cycles with auxiliary electric motor
- B62M6/45—Control or actuating devices therefor
- B62M6/50—Control or actuating devices therefor characterised by detectors or sensors, or arrangement thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
- B62M6/40—Rider propelled cycles with auxiliary electric motor
- B62M6/60—Rider propelled cycles with auxiliary electric motor power-driven at axle parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
- B62M6/80—Accessories, e.g. power sources; Arrangements thereof
- B62M6/90—Batteries
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D41/00—Freewheels or freewheel clutches
- F16D41/24—Freewheels or freewheel clutches specially adapted for cycles
Definitions
- the invention relates to the field of tricycles, in particular to a swingable shaft-driven tricycle.
- Pedal-type tricycle is a more commonly used light vehicle in daily life. It has the same portability as a bicycle, and can load more articles at the same time.
- electric power-assisted tricycles have appeared, mainly relying on the torque sensor at the crankshaft to detect the signal of the crankshaft rotation, and then the controller controls the motor to provide power for the driving wheels of the tricycle , thereby saving the energy of the cyclist.
- This kind of power-assisted tricycle is essentially different from the electric motorcycle tricycle. For example, the way to control the rotation of the motor is different.
- the electric power-assisted tricycle does not have an accelerator on the handlebar.
- the rider drives the crankshaft through the pedal, and the crankshaft triggers
- the torque sensor is used to control the motor to drive the driving wheels of the tricycle through the controller, and the safety is more reliable.
- the reason why tricycles are easy to turn over when turning is mainly because when a tricycle turns, its center of gravity will be transferred between the front wheel and the outer rear wheel when turning. Under the action of centrifugal force, the car is very easy to tilt and roll over.
- some countries make it mandatory that the width of the rear part of the tricycle cannot be greater than the width of the front handlebar. Since the width of the handlebar cannot be too large, the wheelbase between the two rear wheels of the tricycle is narrow, and the two rear wheels Coaxial drive, it is very easy to tilt and roll over when turning.
- Such two requirements are arranged as the tricycle of Japanese market demand. First, the total width of the tricycle is within 600mm.
- the vehicle frame of tricycle is made of front and rear vehicle frame, and front vehicle frame needs to have the axial left and right swing function when riding; Rear vehicle body and keep level.
- the front frame can be twisted at a certain angle relative to the rear frame, so that the center of gravity of the car can be moved to the inner side of the curve, so that the tricycle is more stable and reliable when turning.
- the traditional chain is used to directly drive the rear wheel. The chain will be twisted in a figure-eight shape, and the torque of the left and right twists will be different. Affect riding safety, inconvenient handlebar control. So this class of tricycles is designed as a multi-stage transmission system. As shown in Fig.
- the tricycle comprises a front frame 101 and a rear frame 102, the rear frame 102 is provided with a support frame 1021 extending downwards, and the support frame 1021 is provided with a swing mechanism 111; the front frame 101 and the swing Mechanism 111 is connected, and the first drive sprocket 103 is set on one side of front frame 101 rear portion, and the second drive sprocket 104 is set on the other side of the front portion of rear frame 102, and the first drive sprocket 103 and the second drive sprocket
- the traditional sprocket 104 is oppositely arranged and connected by a multi-stage universal joint 105.
- the first drive sprocket 103 is connected to the drive sprocket 107 on the crankshaft of the front frame 101 through the first chain 106; the second drive sprocket 104 The rear sprocket 109 on one of the rear wheels 110 is connected in drive through the second chain 108 .
- the front frame 101 is tilted by the swing mechanism 111, the first chain 106, the first drive sprocket 103, and the drive sprocket 107 are all tilted accordingly, and the multi-stage universal joint 105 undergoes a morphological change to ensure that the second drive sprocket 104 is not subject to the stress brought by the inclination of the front frame 101; the normal transmission of power is maintained.
- the technical problem to be solved by the present invention is to overcome the deficiencies of the above-mentioned prior art and provide a swingable shaft-driven tricycle.
- the main technical scheme adopted by the swingable shaft drive tricycle provided according to the invention is: comprising a front frame, a rear frame and a transmission mechanism, the front frame is provided with front wheels, and the rear frame is symmetrically arranged with two a rear wheel, the front frame is connected with the rear frame through a swing mechanism, and it is characterized in that: the transmission mechanism includes a first torque output assembly arranged on the front frame, and a first torque output assembly arranged on the rear frame The second torque output assembly on the frame, the first torque output assembly transmits the torque to the second torque output assembly through the transmission shaft; the second torque output assembly cooperates with at least one of the two rear wheels
- the middle part of the swing mechanism is provided with a transmission through hole, the transmission shaft passes through the transmission through hole, and the axis of the transmission shaft located in the transmission through hole coincides with the axis of the swing mechanism.
- a front beam is arranged on the component installation box, a front fork and a handlebar are arranged on the front beam, and the front wheel is arranged on the front fork.
- One end of the transmission shaft cooperates with the first torque output assembly, and the other end of the transmission shaft passes through the transmission through hole and cooperates with the second torque output assembly.
- the swing mechanism includes a first rocker, a second rocker, a connecting shaft and an elastic block, the elastic block is clamped between the first rocker and the second rocker, and the first rocker and the second rocker
- the components are rotatably connected through a connecting shaft, the first swinging component is connected with the front frame, the second swinging component is connected with the rear frame, and the transmission through hole is provided in the middle of the connecting shaft.
- the first rocking member includes a rocking shaft and a first connecting portion provided at one end of the rocking shaft
- the second rocking member includes a bushing and a connecting cover fitted on the bushing
- the connecting cover is provided with
- the outer wall of the swing shaft is provided with an outer card slot, and the inner wall of the shaft sleeve is provided with an inner card slot;
- the other end of the swing shaft is inserted into the shaft sleeve, and the outer card slot and
- the inner card slot is opposite, one end of the elastic block is inserted into the inner card slot, and the other end of the elastic block is inserted into the outer card slot;
- the middle part of the swing shaft is provided with a first jack, and the connecting cover
- a second socket is provided on the top, and the connecting shaft passes through the second socket and the first socket to rotatably connect the first rocker and the second rocker; the connection The middle part of the shaft is provided with the transmission through hole.
- the transmission shaft includes at least two segmented transmission shafts, and two adjacent segmented transmission shafts are connected by universal joints.
- the transmission shaft includes a first segmented transmission shaft, a second segmented transmission shaft and a third segmented transmission shaft, and the first segmented transmission shaft and the second segmented transmission shaft are connected by a first universal joint, so The second split transmission shaft and the third split transmission shaft are connected through a second universal joint, the first split transmission shaft cooperates with the first torque output assembly, and the third split transmission shaft Cooperate with the second torque output assembly.
- the front frame includes a component installation box, a hollow connecting beam arranged on the component installation box, one end of the hollow connecting beam is connected with the component installation box, and the other end of the hollow connecting beam is connected with the swing mechanism, the
- the transmission shaft is passed through the hollow connecting beam; the first torque output assembly is arranged in the assembly installation box.
- the rear frame includes a wheel frame and a gear box arranged on the wheel frame, the gear box is connected with the swing mechanism, the second torque output assembly is arranged in the gear box, and the rear wheel Set on the wheel frame.
- the wheel frame includes a frame, two wheel mounting parts symmetrically arranged on the frame, and a wheel transmission shaft arranged on the wheel mounting parts, the rear wheel is arranged on the wheel transmission shaft, and the first The second torque output assembly is connected with at least one wheel transmission shaft.
- a brake pad mechanism is provided on the wheel mounting part, a brake drum or a brake disc is provided on the rear wheel, and the brake pad mechanism cooperates with the brake drum or brake disc.
- Disc brakes and drum brakes are relatively mature mechanisms in the prior art, and will not be described in detail here.
- the first torque output assembly includes a center shaft rotatably arranged on the front frame and cranks arranged at both ends of the center shaft, and the center shaft drives the transmission shaft through a first gear pair.
- the first torque output assembly includes a center shaft and a rear shaft rotatably arranged on the front frame, a front sprocket arranged on the center shaft, cranks arranged at both ends of the center shaft, The rear sprocket on the rear axle and the first bevel gear, the front sprocket and the rear sprocket are interlocked through a chain, the transmission shaft is provided with a second bevel gear, the first bevel gear and the first bevel gear The second bevel gear meshes.
- the central axis and the rear axle are arranged in parallel, and the transmission shaft is perpendicular to the rear axle.
- the first torque output assembly also includes an expanding sprocket that is press-fitted with the chain.
- the second torque output assembly includes a torque output shaft arranged on the rear frame, the transmission shaft links the torque output shaft through a second gear pair, and the transmission shaft and the second gear pair Occasionally, a clutch assembly is provided between the torque output shaft and the second gear pair, and the torque output shaft cooperates with at least one of the two rear wheels in linkage.
- the second gear pair includes a meshing third bevel gear and a fourth bevel gear, the fourth bevel gear is arranged on the torque output shaft, and the transmission shaft drives the third bevel gear through a clutch assembly.
- the clutch assembly includes a torque input shaft arranged on the third bevel gear, a first end face ratchet arranged on the torque input shaft, an inner spline sleeve slidingly clamped on the transmission shaft, a push The inner spline is sleeved against the elastic member against the ratchet on the first end face; one end of the torque input shaft is connected to the third bevel gear, and the other end of the torque input shaft is provided with the first The end face ratchet, the outer wall of the transmission shaft is provided with an external spline, the internal spline sleeve is engaged with the external spline by sliding engagement, and the end of the internal spline sleeve is opposite to the first end face ratchet A second end ratchet is provided, and the first end ratchet cooperates with the second end ratchet.
- the elastic member is a spring sleeved on the transmission shaft.
- the end of the torque input shaft opposite to the transmission shaft is provided with a positioning socket, and the end of the transmission shaft is inserted into the positioning socket.
- the third bevel gear, the torque input shaft, and the first ratchet on the end face are integrally formed.
- It also includes a storage battery arranged on the front frame or the rear frame, a booster motor arranged on the front wheel, a torque sensor arranged in the first torque output assembly, the torque sensor and the booster The motor is electrically connected, and the storage battery is connected with the torque sensor and the booster motor.
- the torque sensor is provided with a torque trigger hole, the central shaft is passed through the torque trigger hole, and the rotation of the central shaft triggers the torque sensor.
- the swingable shaft drive tricycle provided by the invention has the following advantages: Compared with the prior art, the present invention changes the chain drive of the traditional tricycle into a shaft drive, and the transmission shaft is located at the plane of the centerline of the frame Among them, first of all, it solves the problem that the transmission system needs to swing with the frame when there is a swing between the front frame and the rear frame in the prior art, resulting in poor transmission reliability; secondly, it solves the problem that the chain is bumped 1.
- the shaft transmission solves the problem of large torque transmission loss caused by the multi-stage transmission of the chain in the prior art; finally, a section of the transmission located in the transmission hole
- the center line of the shaft coincides with the rotation center line of the swing mechanism, so that when the swing mechanism swings, the transmission shaft will not be subjected to any force, which ensures the transmission performance of the application; in summary, the shaft drive mechanism in the application is relatively
- the chain transmission mechanism in the prior art has the advantages of simple structure, easy assembly, high reliability, and maintenance-free transmission mechanism.
- Fig. 1 is a structural diagram of a tricycle with a swingable frame in the prior art.
- Fig. 2 is a bottom view of a tricycle with a swingable frame in the prior art.
- Fig. 3 is a structural view of the swingable shaft drive tricycle of the present invention.
- Fig. 4 is the structure drawing that front vehicle frame, rocking mechanism, rear vehicle frame are assembled together among the present invention.
- Fig. 5 is a structural diagram of the rocking mechanism in the present invention.
- Fig. 6 is a structural view of the swing mechanism without the connection cover in the present invention.
- Fig. 7 is a structural diagram of the connecting cover of the rocking mechanism in the present invention.
- Fig. 8 is a structural diagram of the first rocking member of the rocking mechanism in the present invention.
- Fig. 9 is a structural view of the assembly of part of the front frame, the swing mechanism and part of the rear frame in the present invention.
- Fig. 10 is an enlarged view of A in Fig. 9 .
- Fig. 11 is a side view of part of the front frame, the swing mechanism and part of the rear frame assembled together in the present invention.
- FIG. 12 is an enlarged view of B in FIG. 11 .
- Fig. 13 is a partial sectional view of a part of the front frame, a swing mechanism, and a part of the rear frame assembled together in the present invention.
- Fig. 14 is a plan view of part of the front frame, the swing mechanism and part of the rear frame assembled together in the present invention.
- Fig. 15 is an enlarged view of C in Fig. 14 .
- Fig. 16 is the first exploded view of the structure of the clutch assembly in the present invention.
- Fig. 17 is the second structural exploded view of the clutch assembly in the present invention.
- Fig. 18 is a structural view of the swingable shaft drive tricycle of the present invention after the battery is installed.
- the swingable shaft drive tricycle comprises a front frame 1, a rear frame 2 and a transmission mechanism, and the front frame 1 is provided with a front wheel 71 (in the accompanying drawings
- the front wheel is a schematic diagram of the structure)
- the rear frame 2 is symmetrically provided with two rear wheels 72 (the rear wheel in the accompanying drawing is a schematic diagram of the structure), and the front frame 1 is swayable with the
- the transmission mechanism includes a first torque output assembly 4 arranged on the front frame 1, a second torque output assembly 5 arranged on the rear frame 2, the first The torque output assembly 4 transmits the torque to the second torque output assembly 5 through the transmission shaft 6; the second torque output assembly 5 cooperates with at least one of the two rear wheels 72;
- the axis of the transmission shaft 6 located in the transmission through hole 331 coincides with the axis of the swing mechanism 3 .
- the present invention changes the chain drive of the traditional tricycle into a shaft drive, and the drive shaft 6 is located in the plane where the center line of the frame is located. First, it solves the problems of the front frame 1 and the rear frame 2 in the prior art.
- the transmission system When swinging occurs, the transmission system needs to swing with the frame, resulting in the problem of poor transmission reliability; secondly, it solves the problem in the prior art that the chain is subject to bumps and vibrations and is easy to fall off, which affects the riding experience and even affects safety; again , the shaft transmission solves the problem of large torque transmission loss caused by the multi-stage transmission of the chain in the prior art; finally, the center line of a section of the transmission shaft 6 located in the transmission through hole 331 coincides with the rotation center line of the swing mechanism 3, so that When the swing mechanism 3 swings, the transmission shaft 6 will not be subjected to any force, which ensures the transmission performance of the present application; in summary, the shaft transmission mechanism in the present application has a simple structure compared with the chain transmission mechanism in the prior art. Easy assembly, high reliability, and the transmission mechanism has the advantages of maintenance-free.
- the rocking mechanism 3 includes a first rocking member 31, a second rocking member 32, a connecting shaft 33 and an elastic block 34
- the first rocking member 31 includes a rocking shaft 311 and the first connection part 312 provided at one end of the swing shaft 31
- the second swing member 32 includes a shaft sleeve 321 and a connection cover 322 sleeved on the shaft sleeve 321, and the connection cover 322 is provided with The second connection part 3222;
- the outer wall of the swing shaft 311 is provided with an outer card slot 313, and the inner wall of the shaft sleeve 321 is provided with an inner card slot 3211;
- the other end of the swing shaft 311 is inserted into the shaft sleeve 321,
- the outer card slot 313 is opposite to the inner card slot 3211, one end of the elastic block 34 is inserted into the inner card slot 3211, and the other end of the elastic block 34 is inserted into the outer card slot 313;
- the swing shaft The middle part
- Above-mentioned elastic block 34 can adopt rubber elastic block.
- the connecting shaft 33 is also provided with a locking nut 332 , which rotatably connects the first rocking member 31 and the second rocking member 32 by cooperating with the locking nut 322 .
- a bearing 35 is disposed between the outer wall of the connecting shaft 33 and the inner wall of the first insertion hole 314 . When the rocking mechanism is at rest, the elastic block 34 does not deform.
- the middle part of the elastic block 34 is squeezed and deformed.
- the second A rocker 31 also returns to the initial state thereupon.
- the first rocking member 31 and the second rocking member 32 twist along the connecting shaft 33 , therefore, the axis line of the connecting shaft 33 is the axis line of the rocking mechanism 3 .
- the first connection part 312 of the swing mechanism 3 is connected with the front frame 1 of the tricycle, and the second connection part 3222 is connected with the rear frame 2 of the tricycle, especially the setting of the transmission through hole 331, which can pass through the transmission shaft 6,
- the two rotating parts of the swing mechanism 3 and the transmission shaft 6 realize an organic combination, which provides favorable conditions for the processing and production of the swing tricycle driven by the shaft, and helps to simplify the transmission mechanism of this kind of tricycle.
- the above swing mechanism simple and compact structure, few parts, easy assembly and low production cost.
- the transmission shaft 6 includes at least two segmented transmission shafts 6 , and two adjacent segmented transmission shafts 6 are connected by universal joints.
- the drive shaft 6 with the above structure improves the flexibility of the position setting of the first torque output assembly 4 and the second torque output assembly 5, that is, the output end of the first torque output assembly 4 and the input end of the second torque output assembly 5 Whether they are at the same height, or whether the line between the two is a straight line will not affect the transmission of torque, which improves the flexibility of setting the frame, widens the matching degree between the transmission shaft 6 and the frame, and reduces the The accuracy requirements of the frame are met, and the yield rate of the product is improved.
- the transmission shaft 6 includes a first segment transmission shaft 61, a second segment transmission shaft 62 and a third segment transmission shaft 63, and the first segment
- the transmission shaft 61 and the second segment transmission shaft 62 are connected through a first universal joint 64
- the second segment transmission shaft 62 and the third segment transmission shaft 63 are connected through a second universal joint 65.
- the first split transmission shaft 61 cooperates with the first torque output assembly 4
- the third split transmission shaft 63 cooperates with the second torque output assembly 5 .
- This embodiment adopts the above-mentioned three-stage transmission shaft 6 , and without affecting the design of the vehicle frame, at least a universal joint is used to ensure the smoothness of the transmission process and the reliability of the transmission.
- the front frame 1 includes a component installation box 11, a hollow connecting beam arranged on the component installation box 11 12.
- One end of the hollow connecting beam 12 is connected to the component installation box 11, the other end of the hollow connecting beam 12 is connected to the swing mechanism 3, and the transmission shaft 6 is passed through the hollow connecting beam 12;
- the first torque output assembly 4 is arranged in the assembly installation box 11 .
- the above-mentioned structure of the front frame 1 makes the first torque output assembly 4 and the transmission shaft 6 covered by the front frame 1, and the transmission shaft 6 passes through the hollow connecting beam 12.
- the torque output assembly and the transmission shaft 6 in the present invention are all enclosed in the vehicle frame, avoiding the contamination of external rainwater and gravel, and ensuring the reliability and safety of the transmission system.
- the component installation box 11 is provided with a front beam 13, the front beam 13 is provided with a front fork and a handlebar, and the front wheel 71 is arranged on the front fork.
- One end of the transmission shaft 6 cooperates with the first torque output assembly 4, and the other end of the transmission shaft 6 passes through the transmission through hole 331 to cooperate with the second torque output assembly, and also includes a vehicle seat, a device Components such as the pedals on the crank are all prior art on the tricycle, and are no longer described in detail here.
- the rear frame 2 includes a wheel frame 21 and a gear box 22 arranged on the wheel frame 21,
- the gear box 22 is connected to the swing mechanism 3 , the second torque output assembly 5 is set in the gear box 22 , and the rear wheel 72 is set on the wheel frame 21 .
- the arrangement of the gear box 22 has ensured that the second torque output assembly 5 is in a closed environment.
- the transmission system of the present invention is completely enclosed in the vehicle frame. In the frame, when the frame is not damaged by external force, it can realize life-long maintenance-free, which greatly improves the reliability of the tricycle and prolongs the service life of the product.
- the wheel frame 21 includes a frame 211, two wheel mounts 212 symmetrically arranged on the frame 211, and a wheel set on the wheel mounts 212.
- Transmission shaft 213, the wheel transmission shaft 213 is rotatably arranged on the wheel mounting part 212, the rear wheel 72 is arranged on the wheel transmission shaft 213, and the second torque output assembly 5 is connected with at least one wheel transmission shaft 213 .
- This kind of wheel frame 21 has a simple structure and is easy to assemble.
- the torque is transmitted to the rear wheel 72 through the wheel transmission shaft 213.
- the rear wheel 72 is equipped with a sprocket and is driven by the chain 48 to rotate.
- the dismounting of rear wheel 72 needn't dismantle any parts in the transmission mechanism (need dismounting chain 48 etc. in the prior art), simplifies rear wheel 72, especially the assembling process of driven rear wheel 72, has improved Assembly efficiency.
- the wheel mount 212 is provided with a brake pad mechanism 214
- the rear wheel 72 is provided with a brake drum or a brake disc
- the brake pad mechanism 214 is connected with the brake pad mechanism 214.
- the above brake drum or brake disc fit. Disc brakes and drum brakes are relatively mature mechanisms in the prior art, and will not be described in detail here.
- a brake drum is preferably arranged on the rear wheel 72, and the above-mentioned brake pad mechanism 214 is used to ensure the reliability of the brake of the present invention, thereby ensuring the safety of the rider.
- the first torque output assembly 4 includes a central shaft 41 and a rear shaft 42 rotatably provided on the front frame 1, and a rear shaft 42 provided on the central shaft
- the transmission shaft 6 is provided with a second bevel gear 47, the first bevel gear 46 and the second bevel gear 47 mesh.
- This first torque output assembly 4 is simple in structure and flexible in assembly, and is especially suitable for tricycles with rear wheels 72 of different diameters. Ratio adjustment without adjusting the whole set of first torque output assembly 4, this structure reduces the types of parts for car companies that produce a variety of different models, helps to standardize assembly line settings, and improves production Efficiency, reduce the R&D cost of components.
- the central shaft 41 and the rear shaft 42 are arranged in parallel, and the transmission shaft 6 is perpendicular to the rear shaft 42 . It facilitates the assembly of parts and ensures the reliability and stability of the transmission mechanism.
- the first torque output assembly 4 also includes an expanding sprocket 49 that is press fit with the chain 48 . The setting of the expansion sprocket 49 can compress the loose chain 48 to ensure the adaptability of a chain 48 to multiple sprockets of different sizes.
- the expansion sprocket 49 is used to compress elastically, the first can avoid the coming off of the chain 48; the second when the diameter of the rear sprocket 45 or the front sprocket 43 changes, the original chain 48 can still be used without Adjust the length of chain 48.
- the second torque output assembly 5 includes a torque output shaft 51 arranged on the rear frame 2, and the transmission shaft 6 passes through The second gear pair is linked to the torque output shaft 51, and a clutch assembly is provided between the transmission shaft 6 and the second gear pair or between the torque output shaft 51 and the second gear pair.
- the clutch assembly in this example is arranged between the transmission shaft 6 and the second gear pair, and the torque output shaft 51 cooperates with at least one of the two rear wheels 72 in linkage.
- the torque output shaft 51 cooperates with at least one of the two rear wheels 72 through a universal joint transmission shaft 57.
- the torque output shaft 51 in this embodiment cooperates with one of the rear wheels 72.
- the second torque output assembly 5 effectively transmits the torque from the drive shaft 6 to the torque output shaft 51 perpendicular to it, and has a simple structure and few components. Less, easy to assemble, high reliability, the setting of clutch assembly has guaranteed transmission shaft 6 static state, and rear wheel 72 can still rotate forward, meets the riding habit of traditional transmission mechanism.
- the second gear pair includes a meshing third bevel gear 53 and a fourth bevel gear 54, and the fourth bevel gear 54 is arranged on the torque output shaft 51
- the transmission shaft 6 is linked with the third bevel gear 53 through the clutch assembly.
- the clutch assembly includes a torque input shaft 52 provided on the third bevel gear 53 , a first end face ratchet 521 provided on the torque input shaft 52 , and an inner ratchet slidably mounted on the transmission shaft 6 .
- the end of the inner spline sleeve 55 opposite to the first end ratchet 521 is provided with a second end ratchet 551 , and the first end ratchet 521 cooperates with the second end ratchet 551 .
- the above-mentioned clutch assembly is simple and compact in structure, ingenious in design, and has few parts.
- the elastic member 56 is a spring sleeved on the transmission shaft 6 .
- the elastic member 56 adopts a spring, which is convenient to assemble, low in cost and high in reliability.
- An end of the torque input shaft 52 opposite to the transmission shaft 6 is provided with a positioning socket 522 , and an end of the transmission shaft 6 is inserted into the positioning socket 522 .
- This structure ensures the reliability of the linkage between the transmission shaft 6 , the clutch and the torque input shaft 52 .
- the third bevel gear 53 , the torque input shaft 52 , and the first ratchet 521 are integrally formed. It facilitates the processing and assembly of parts, and at the same time ensures the accuracy of parts.
- Fig. 1 and Fig. 2 it also includes a storage battery 8 arranged on the front frame 1 or the rear frame 2, and a booster motor (not shown in the figure) arranged on the front wheel 71 Out), the torque sensor 9 provided in the first torque output assembly 4, the torque sensor 9 is electrically connected to the booster motor, and the battery 8 is connected to the torque sensor 9 and the booster motor.
- the battery 8 in this embodiment is arranged on the front frame 1.
- the torque sensor 9 is provided with a torque trigger hole, the central shaft 41 passes through the torque trigger hole, and the rotation of the central shaft 41 triggers the torque sensor.
- the torque sensor of this structure can be directly triggered by the rotating shaft, that is, the electric power-assisted three-way vehicle is extremely matched, which helps to simplify the overall structure of the first torque output assembly 4 .
- the structure of this embodiment is substantially the same as that of the above-mentioned first embodiment, only the structure of the first torque output assembly is different. Cranks 44 at both ends of the central shaft 41 , the central shaft 41 drives the transmission shaft 6 through the first gear pair.
- the first torque output assembly 4 has a simple structure, few parts and convenient assembly.
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Abstract
Description
Claims (13)
- 一种可摇摆的轴传动三轮车,包括前车架、后车架和传动机构,所述前车架上设有前车轮,所述后车架上对称设置有两个后车轮,所述前车架通过摇摆机构与所述后车架连接,其特征在于:所述传动机构包括设在所述前车架上的第一扭矩输出组件、设在所述后车架上的第二扭矩输出组件,所述第一扭矩输出组件通过传动轴将扭矩传输至所述第二扭矩输出组件;所述第二扭矩输出组件与两个后车轮中的至少一个连动配合;所述摇摆机构中部设有传动过孔,所述传动轴穿过所述传动过孔,位于所述传动过孔中的传动轴的轴心线与所述摇摆机构的轴心线重合。
- 根据权利要求1所述的可摇摆的轴传动三轮车,其特征在于:所述摇摆机构包括第一摇摆件、第二摇摆件、连接轴和弹性块,所述弹性块卡装在第一摇摆件和第二摇摆件之间,所述第一摇摆件和第二摇摆件通过连接轴可转动的连接,所述第一摇摆件与所述前车架连接,所述第二摇摆件与所述后车架连接,所述连接轴中部设有所述传动过孔。
- 根据权利要求1所述的可摇摆的轴传动三轮车,其特征在于:所述传动轴包括至少两个分段传动轴,相邻的两个分段传动轴之间通过万向接头连接。
- 根据权利要求1所述的可摇摆的轴传动三轮车,其特征在于:所述传动轴包括第一分段传动轴、第二分段传动轴和第三分段传动轴,所述第一分段传动轴和第二分段传动轴通过第一万向接头连接,所述第二分段传动轴和所述第三分段传动轴通过第二万向接头连接,所述第一分段传动轴与所述第一扭矩输出组件配合,所述第三分段传动轴与所述第二扭矩输出组件配合。
- 根据权利要求1所述的可摇摆的轴传动三轮车,其特征在于:所述前车架包括组件安装箱、设在所述组件安装箱上中空连接梁,所述中空连接梁的一端与组件安装箱连接,所述中空连接梁的另一端与摇摆机构连接,所述传动轴穿设在所述中空连接梁内;所述第一扭矩输出组件设在所述组件安装箱中。
- 根据权利要求1所述的可摇摆的轴传动三轮车,其特征在于:所述后车架包括车轮架和设在所述车轮架上的齿轮箱,所述齿轮箱与所述摇摆机构连接,所述第二扭矩输出组件设在所述齿轮箱中,所述后车轮设在所述车轮架上。
- 根据权利要求6所述的可摇摆的轴传动三轮车,其特征在于:所述车轮架包括框架、对称设在所述框架上的两个车轮安装件、设在所述车轮安装件上的车轮传动轴,所述后车轮设在所述车轮传动轴上,所述第二扭矩输出组件至少与一个车轮传动轴连接。
- 根据权利要求1所述的可摇摆的轴传动三轮车,其特征在于:所述第一扭矩输出组件包括可转动地设在前车架上的中轴、设在所述中轴两端的曲柄,所述中轴通过第一齿轮副连动所述传动轴。
- 根据权利要求1所述的可摇摆的轴传动三轮车,其特征在于:所述第一扭矩输出组件包括可转动地设在所述前车架上的中轴和后轴、设在所述中轴上的前链轮、设在所述中轴两端的曲柄、设在所述后轴上的后链轮和第一锥齿轮,所述前链轮和后链轮通过链条连动配合,所述传动轴上设有第二锥齿轮,所述第一锥齿轮和所述第二锥齿轮啮合。
- 根据权利要求1所述的可摇摆的轴传动三轮车,其特征在于:所述第二扭矩输出组件包括设在所述后车架上的扭矩输出轴,所述传动轴通过第二齿轮副连动所述扭矩输出轴,所述传动轴与所述第二齿轮副之间或者所述扭矩输出轴与所述第二齿轮副之间设有离合组件,所述扭矩输出轴与两个后车轮中的至少一个连动配合。
- 根据权利要求10所述的可摇摆的轴传动三轮车,其特征在于:所述第二齿轮副包括啮合的第三锥齿轮和第四锥齿轮,所述第四锥齿轮设在所述扭矩输出轴上,所述传动轴通过离合组件连动所述第三锥齿轮。
- 根据权利要求11所述的可摇摆的轴传动三轮车,其特征在于:所述离合组件包括设在所述第三锥齿轮上的扭矩输入轴、设在所述扭矩输入轴上的第一端面棘齿、滑动卡装在所述传动轴上的内花键套、推动所述内花键套向所述第一端面棘齿贴靠的弹性件;所述扭矩输入轴的一端与所述第三锥齿轮连接,所述扭矩输入轴的另一端设有所述第一端面棘齿,所述传动轴外壁上设有外花键,所述内花键套与所述外花键滑动卡接配合,所述内花键套与所述第一端面棘齿相对的一端设有第二端面棘齿,所述第一端面棘齿与所述第二端面棘齿配合。
- 根据权利要求1-12任一项所述的可摇摆的轴传动三轮车,其特征在于:还包括设在所述前车架或后车架上的蓄电池,设在所述前车轮上的助力电机,设在所述第一扭矩输出组件中的扭力传感器,所述扭力传感器与所述助力电机电连接,所述蓄电池与所述扭力传感器和所述助力电机连接。
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CN113799909A (zh) * | 2021-11-08 | 2021-12-17 | 宁波兴隆巨创机电科技有限公司 | 一种可摇摆的轴传动三轮车 |
-
2021
- 2021-11-08 CN CN202111315926.6A patent/CN113799909A/zh active Pending
-
2022
- 2022-03-08 WO PCT/CN2022/079728 patent/WO2023077702A1/zh active Application Filing
- 2022-03-08 EP EP22888742.8A patent/EP4414257A1/en active Pending
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CN1336882A (zh) * | 1999-11-16 | 2002-02-20 | 雅马哈发动机株式会社 | 摆动式三轮车 |
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