CN110356497B - Pedal structure of electric bicycle - Google Patents
Pedal structure of electric bicycle Download PDFInfo
- Publication number
- CN110356497B CN110356497B CN201910538463.6A CN201910538463A CN110356497B CN 110356497 B CN110356497 B CN 110356497B CN 201910538463 A CN201910538463 A CN 201910538463A CN 110356497 B CN110356497 B CN 110356497B
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- pedal
- swing arm
- front fork
- unlocking
- fork swing
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- 230000007246 mechanism Effects 0.000 claims description 34
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- 230000009471 action Effects 0.000 description 11
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- 238000007906 compression Methods 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000030279 gene silencing Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
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- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000005491 wire drawing Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C5/00—Rigid or semi-rigid luggage
- A45C5/04—Trunks; Travelling baskets
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C5/00—Rigid or semi-rigid luggage
- A45C5/14—Rigid or semi-rigid luggage with built-in rolling means
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- 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
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M3/00—Construction of cranks operated by hand or foot
- B62M3/08—Pedals
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Motorcycle And Bicycle Frame (AREA)
Abstract
The invention relates to an electric bicycle, in particular to a pedal structure of the electric bicycle, which aims to solve the problems of poor operability and poor user experience of the existing electric bicycle and provides a pedal structure of the electric bicycle.
Description
Technical Field
The invention relates to an electric riding vehicle, in particular to a pedal structure of the electric riding vehicle.
Background
The prior Chinese patent number is CN 208550268U, which discloses an electric suitcase, and the disclosure of the electric suitcase describes that a pedal for placing feet of a user is arranged on a front wheel. The box body is provided with a top for riding. When a user needs to sit, the electric push rod is controlled, the telescopic rod is enabled to extend forwards, the user holds the front handle rod by hand, and the user sits on the top, so that the electric suitcase can be driven. The pedal is arranged on the front wheel, the pedal can be driven to rotate together when the front wheel turns under the electric riding state, the user can turn to difficultly or the user must lift the foot when turning, and the foot is put down after the turning is finished, so the design has the problems of poor operability, poor user experience and incapability of folding and stowing.
Disclosure of Invention
The invention aims to solve the technical problems that: in order to solve the problems that the existing electric riding vehicle is poor in operability, poor in user experience and incapable of being folded and retracted, the pedal structure of the electric riding vehicle is provided.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a pedal structure of electric bicycle, including pedal and unlocking lever, the pedal articulates in the front fork swing arm left and right sides, the pedal is rotatory folding in front fork swing arm left and right sides through pedal elastic reset piece, the unlocking lever is installed in the front fork swing arm inner chamber, the front end of unlocking lever has the locking groove plate, the left and right sides of locking groove plate has the locking groove, the unlocking lever resets the elastic component through keeping in the middle of keeping in the middle, the rear end of unlocking lever stretches out the front fork swing arm, the unlocking lever keeps stretching out the state through the unlocking reset elastic component, rotate to the open state at the front fork swing arm, the rear end of unlocking lever and unlocking member contact, by the unlocking member forward push, the unlocking lever overcomes the elastic action of unlocking reset elastic component and drives the locking groove plate and move forward to the locked position, the inner of front fork swing arm one side is overcome the elastic action of centering reset elastic component and is biased the locking groove of opposite side of locking groove plate through pushing the locking groove plate, the locking of pedal is realized to the locking of pedal, the locking groove plate resets after the pedal is opened to reset in one side, when the front fork is rotatory folding, the rear end of unlocking lever breaks away from the unlocking lever, the effect of unlocking lever, the inner end of unlocking lever is moved to the pedal after the pedal.
Preferably, the centering reset elastic piece comprises a sleeve and arched elastic parts at the left side and the right side of the sleeve, the centering reset elastic piece is sleeved on the unlocking rod through the sleeve, and the top of the arched elastic part acts on the left side and the right side of the inner cavity of the front fork swing arm.
In order to reduce noise and friction in use, the centering return elastic piece is a plastic piece.
Further defined, the unlocking reset elastic piece is a coil spring and is positioned in front of the locking groove plate.
In order to make the user more comfortable, the pedals on the left side and the right side of the front fork swing arm are matched with auxiliary pedals and connecting rods to form a pedal frame together, the inner ends of the auxiliary pedals are hinged on the front fork swing arm, the two ends of the connecting rods are hinged with the auxiliary pedals and the outer ends of the matched pedals, and the pedal frame and the front fork swing arm form a parallel four-bar mechanism.
Further defined, the front fork swing arm has a pedal slot thereon for rotatably folding the pedal or pedal frame into the pedal slot.
Further defined, the pedal resilient return member is coupled to the secondary pedal for urging the pedal to rotate and fold.
Further defined, the unlocking member is a vehicle body.
The pedal structure of the electric bicycle has the advantages that the pedal originally arranged on the front fork is firstly arranged on the front fork swing arm, so that the pedal can not rotate along with the front fork during riding and steering, a user does not need to lift feet during steering, operability is improved, the pedal is matched with the connecting rod and the auxiliary pedal, the pedal is in a parallelogram shape in an open state after being connected through the pin, the pedal is comfortable to step on than a single pedal, the user experience is good, the pedal has an automatic recovery function, manual intervention is not needed during recovery, the problem that unnecessary trouble is caused by forgetting to recover the pedal when the electric bicycle is folded or retracted is avoided, the pedal is retracted into the front fork swing arm, no obvious outward protrusion exists during the recovery state, and the appearance is more attractive.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is an electric bicycle with a swing arm mechanism.
Fig. 2 is a schematic structural view of the swing arm mechanism.
Fig. 3 is a schematic view of the structure of the swing arm mechanism.
Fig. 4 is an L-shaped front fork swing arm.
FIG. 5 is a schematic view of a rear riding wheel retraction process.
Fig. 6 is a swing arm mechanism with an unlocking lever.
Fig. 7 is an enlarged view at B in fig. 6.
Fig. 8 is a cross-sectional view of a swing arm mechanism.
Fig. 9 is an expanded view of the pedal structure.
FIG. 10 illustrates an electric bicycle with a pedal configuration.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the invention and therefore show only the structures which are relevant to the invention.
The pedal structure 300 of the electric bicycle shown in fig. 8 to 10 comprises pedals 309 and unlocking rods 303, wherein the pedals 309 are hinged to the left side and the right side of a front fork swing arm 217, the pedals 309 are rotationally folded on the left side and the right side of the front fork swing arm 217 through pedal elastic reset pieces 307, the unlocking rods 303 are installed in inner cavities of the front fork swing arm 217, locking groove plates 306 are arranged at the front ends of the unlocking rods 303, locking grooves 308 are arranged at the left side and the right side of the locking groove plates 306, the unlocking rods 303 are subjected to left and right centering reset through centering reset elastic pieces 304, the rear ends of the unlocking rods 303 extend out of the front fork swing arm 217, the unlocking rods 303 are maintained in an extending state through unlocking reset elastic pieces 301, the rear ends of the unlocking rods 303 are in contact with the unlocking pieces, the unlocking rods are pushed forward by the unlocking pieces, the unlocking rods 303 drive the locking groove plates 306 to move forward to a locking position by overcoming the elastic action of the unlocking reset elastic pieces 301, the inner ends of the pedals 309 on one side of the front fork swing arm 217 are embedded into the locking grooves 306 in a mode of the opposite to the opposite sides by pushing the locking groove plates 306 on the elastic action of the centering reset elastic pieces 304, the inner ends of the locking groove plates 306 are locked by means of the locking groove plates 306, the inner ends of the unlocking rods 309 are locked on the inner ends of the pedal 309 are pushed to realize, the inner ends of the locking groove plates 306 are locked by the locking groove plates 306, the locking on the opposite sides of the pedal 306, when the pedal ends of the pedal 309 are reset on one side, which is reset by the opposite is reset, and the front end is rotated after the unlocking pieces, and the unlocking rods 309 is rotated, and the unlocking pieces are separated.
As shown in fig. 1 to 7, a ridable electric suitcase is provided, a swing arm mechanism 200 is fixedly mounted on an outer wall of a suitcase 100, a side shell 214 of the swing arm mechanism 200 is fixedly connected with the suitcase 100, the swing arm mechanism 200 drives a front fork device 218 to swing horizontally, the front fork device 218 can be lifted or put down while swinging, a front wheel 219 is mounted on a front fork 220 of the front fork device 218, and a vehicle armrest 408 is mounted on a top end of the front fork device 218.
The front wheel 219 is a driving wheel, and is driven by a brushless motor, the front wheel 219 is electrically connected with the controller through a wire, an electric door is arranged on the vehicle armrest 408 and is electrically connected with the controller through a wire, a signal is sent to the controller in a mode of screwing or unscrewing the electric door, and then the controller controls a battery to convey the current to the front wheel, so that speed regulation is realized, and no electric door is displayed in the figure.
As shown in fig. 2 and 3, the swing arm mechanism 200 is schematically shown, and the swing arm mechanism 200 includes a front fork swing arm 217, a rotating shaft device, and a driver, the driver being a motor 212, the front fork swing arm 217 being mounted on the case 100 through the rotating shaft device, the driver driving the front fork swing arm 217 to rotate around a screw rod as a rotating shaft, the rotating shaft device having a screw guide mechanism 216 thereon for causing the front fork swing arm 217 to be lifted up by screw under the guide of the screw guide mechanism 216.
The swing arm mechanism 200 has the following specific structure: an output shaft of the motor 212 is fixedly connected with an input end of a gear box 213 and drives the gear box 213 to rotate when rotating, the gear box 213 is screwed on an upper cover plate 202, the upper cover plate 202 is a part of a shell, the shell consists of a side shell 214, an upper cover plate 202 and a lower cover plate 204 which are fixedly arranged at two ends of the side shell 214, an output end of the gear box 213 is fixedly connected with a screw rod 201, one to two upper nuts 206, an upper bearing 207-1, the upper cover plate 202, an upper pressure-resistant rubber 209-1, a stay wire power nut 210, elastic rubber 203, a front fork swing arm 217, a lower pressure-resistant rubber 209-2, a lower cover plate 204, a lower bearing 207-2 and one to two lower nuts 205 are sequentially arranged on the screw rod 201 by taking the direction of the gear box 213 as a starting point; the screw rod 201 is externally provided with external threads and is respectively pressed into the upper cover plate 202 and the lower cover plate 204 through an upper bearing 207-1 and a lower bearing 207-2 to be fixedly supported with the side shell 214, continuous circular rotation movement can be realized, the side shell 214 is cylindrical, the side shell 214 is fixedly arranged between the upper cover plate 202 and the lower cover plate 204 through welding, clamping or bolt fixing, the side shell 214 and the box body 100 are fixedly connected through welding, gluing or clamping and the like, the side shell 214 is provided with a spiral guide mechanism 216 with a spiral 180 DEG, the rear section of the front fork swing arm 217 extends into the spiral guide mechanism 216 and is matched with the screw rod 201, the spiral guide mechanism 216 is an arc chute, the arc angle is 180 DEG, the rear section of the front fork swing arm 217 is clamped in a notch of the spiral guide mechanism 216 of the side shell 214, and when the screw rod 201 rotates, the front fork swing arm 217 slowly swings up and down for 180 DEG movement; the inner wall of the side shell 214 is provided with a clamping groove 215, the length of the clamping groove 215 is the same as the height of the side shell 214, a boss of the stay wire power nut 210 is arranged in the clamping groove 215 in a sliding manner, and a stay wire 211 is fixedly arranged in the boss of the stay wire power nut 210, so that the stay wire 211 can smoothly complete 180-degree swinging, the stay wire 211 is tensioned or loosened during swinging, a copper nut is embedded into one end of the front fork swinging arm 217 to be matched with a tooth pattern on the screw rod 201 in a positive manner, an inner thread matched with the screw rod 201 is arranged in the middle of the stay wire power nut 210, the stay wire power nut 210 is matched with the screw rod 201 through the screw rod, the protruding part of the stay wire power nut 210 is clamped in the clamping groove 215 of the side shell 214 at the same time, and the stay wire power nut 210 only moves vertically when the screw rod 201 is matched with the screw rod 215 in a rotating manner, and the stay wire 211 is fixed on the stay wire power nut 210 through a riveting iron method and cannot be separated, and the stay wire 211 is forced to move up and down when the stay wire power nut 210 moves up and down.
Further description of the effects of the components wherein:
The screw rod 201 and the front fork swing arm 217 are matched to convert the rotation power source of the motor 212 into the up-and-down movement and the horizontal swing of the front fork swing arm 217.
The upper cover plate 202, the lower cover plate 204 and the side shells 214 together form an outer shell, and the upper cover plate 202 and the lower cover plate 204 serve to position the screw 201 in the side shells 214 and to transfer all bearing forces to the side shells 214.
The elastic rubber 203 is installed between the front fork swing arm 217 and the stay wire power nut 210 and is pressed, for eliminating abnormal sound generated by the gap.
The lower nut 205 and the upper nut 206 are used to fix the screw 201 between the upper cover plate 202 and the lower cover plate 204, and the axial relative positions of the three are adjusted by rotating the lower nut 205 and/or the upper nut 206.
The upper bearing 207-1 and the lower bearing 207-2 eliminate frictional resistance of the front fork swing arm 217 and the screw 201 when rotating relative to the housing 214, and the wire sleeve 208 can bend the wire 211 at any angle and transmit force to the movable member.
The upper pressure-resistant rubber 209-1 and the lower pressure-resistant rubber 209-2 are made of high-density pressure-resistant wear-resistant materials, and are extruded, contracted and deformed when the mechanism moves to generate large reaction force and large friction force, so that the motor 212 is amplified in current, a signal is obtained by the controller, when the front fork swing arm 217 presses the upper pressure-resistant rubber 209-1 or the lower pressure-resistant rubber 209-2, the upper pressure-resistant rubber 209-1 or the lower pressure-resistant rubber 209-2 also acts on the front fork swing arm 217 in a large reaction force and a large friction force, the reaction force is transmitted to the motor 212 at the moment, the motor 212 is amplified in current, the controller reacts after induction, the power supply is disconnected, the front fork swing arm 217 enters a designated position and is in-situ and does not move, the elastic rubber 203 is arranged between the front fork swing arm 217 and the wire power nut 210, the elastic rubber 203 has enough compression stroke, the front fork swing arm 217 is not damaged by itself or stops swinging of the front fork swing arm 217 after rotating 180 degrees, and the elastic force of about 50N is generated, and noise and vibration generated by gaps between the wire power nut 210 and the front fork swing arm 217 are eliminated.
The pull wire power nut 210 is a power source of the pull wire 211, and converts the power of the motor 212 into an up-down pulling force through the screw rod 201 to be transmitted to the pull wire 211.
The pull wire 211 is externally wrapped with a pull wire sleeve 208, the pull wire sleeve 208 plays a role in transmitting force, the pull wire 211 can be a steel wire product without a protective sleeve, or a pull wire with a protective sleeve and a pull wire with a sleeve with an oil lubricant is commercially available, the pull wire 211 without the protective sleeve is adopted in the drawing, so the sleeve plays a role in protecting the pull wire 211 at the joint, and the sleeve can be omitted when the pull wire with the protective sleeve is selected.
The motor 212 is the power source for the entire mechanism.
The housing 214 is the carrier of the entire mechanism.
The clamping groove 215 and the spiral guide mechanism 216 play a guiding role, so that the stay wire power nut 210 and the front fork swing arm 217 move in a specified track, and when the stay wire power nut 210 moves to the stroke end point, the front fork swing arm 217 swings 180 degrees.
The electric traveling case capable of riding is shown in fig. 4, wherein a front fork swing arm 217 is connected with a front fork device 218, the front fork swing arm 217 presents an L shape, the front fork swing arm 217 comprises a long vertical section and a short vertical section, the rear end of the short vertical section is matched with the screw rod 201, and the front end of the long vertical section is connected with the front fork device 218.
The rear riding wheel retraction device is rotatably installed at the lower part of the box body 100, the pull wire 211 pulls the rear riding wheel 101 in the rear riding wheel retraction device, the rear riding wheel 101 is convenient for the pulley 115 to push after being retracted, the movement interference of redundant wheels is avoided, the rear riding wheel 101 is put down, and the rear riding wheel 101 and the front wheel 219 which is put down simultaneously form a two-wheel electric vehicle, so that electric driving is realized.
The rear riding wheel 101 is arranged in the rear wheel bracket 110, the hinge 116 is formed by connecting two stamping parts in series through hinge pins, one stamping part is fixed on the box body 100, the other stamping part is fixed on the rear wheel bracket 110, the rotation of the hinge 116 drives the rear wheel bracket 110 to rotate around the hinge pins, the other end of the pull wire 211 led out of the swing arm mechanism 200 is fixed on the rear wheel bracket 110, and in order to achieve attractive wiring and prolonged service life of the pull wire 211, a sleeve is sleeved on the pull wire 211 or a sleeve is sleeved on a certain part to play a role in protecting the pull wire 211; one end of a reset tension spring 113 is fixed on the box body 100, so that the reset tension spring 113 is fixed and immovable, and the other end of the reset tension spring 113 is fixed on the rear wheel bracket 110; in order to prevent the pull wire 211 from breaking and causing the rear riding wheel 101 to be folded when riding, the rear riding wheel 101 is rotated and opened from front to back, the rear wheel bracket 110 slightly rotates to the vertical position when being vertically opened, the bottom of the box body 100 is provided with the limiting structure 114, after the rear riding wheel 101 is unfolded, the rear wheel bracket 110 is propped against the limiting structure 114, a user sits on the box body 100 and bears the force on the limiting structure 114, even if the pull wire 211 breaks suddenly, the reset tension spring 113 cannot fold the rear riding wheel 101, no safety accident can occur, and the user can normally fold the rear riding wheel 101 after standing up the reset tension spring 113.
The rear riding wheel 101 is changed from hanging to descending and advancing: when the front wheel 219 is driven by the swing arm mechanism 200 to gradually open the stay wire 211 for tightening, when the tension force of the stay wire 211 exceeds the elastic force of the automatic return and reset tension spring 113, the rear wheel support 110 swings backwards with the hinge pin as the axis until the rear wheel support is propped against the limit structure 114 of the box body 100, the rear riding wheel 101 is lifted and then is lifted down by 100mm from the ground, the front wheel 219 is correspondingly lifted down by 100mm at the moment, the front wheel 219 and the front wheel support form a set of two-wheel vehicle supported by the ground, and the front wheel 219 can electrically drive the front wheel to move forwards.
Stowing the rear riding wheel 101: when the swing arm mechanism 200 starts to rotate and retract, the pull wire 211 is loosened, the tension force on the rear wheel support 110 disappears, at the moment, the tension force of the reset tension spring 113 is larger than the tension force of the pull wire 211, the reset tension spring 113 pulls the rear wheel support 110 to swing forwards and return by taking the hinge pin as the axis until the tension force of the pull wire 211 completely disappears, the recovered rear riding wheel 101 is attached to the bottom end of the box body 100, namely the rear riding wheel 101 is retracted and suspended in place, and 100mm is lifted.
The whole working process of the electric suitcase comprises the following steps:
1. And (5) upstream stowing: after the motor 212 receives the instruction sent by the controller, the motor 212 is started, the head of the main shaft of the motor 212 is flat, a pinion is arranged, the motor 212 rotates clockwise to drive the pinion to rotate, the pinion passes through a three-stage reduction gearbox and finally is transmitted to the screw rod 201 to rotate, the stay wire power nut 210 and the front fork swing arm 217 move upwards simultaneously under the driving of the screw rod 201, and the stay wire power nut 210 is forced to move upwards directly due to the limitation of the clamping groove 215 on the side shell 214 to drive the stay wire 211 to move upwards, and at the moment, the stay wire 211 in the stay wire sleeve 208 is loosened to enable the rear riding wheel 101 to be retracted and hidden. The travel of the pull wire power nut 210 in the side shell 214 without touching rubber is 0-95 mm, but the pull wire power nut rises to a position of 95mm, at this time, the screw rod 201 has a free travel greater than 5mm, the upper plane of the pull wire power nut 210 begins to contact with the upper pressure-resistant rubber 209-1, the motor 212 continues to drive, the upper plane of the pull wire power nut 210 begins to extrude the upper pressure-resistant rubber 209-1, the upper pressure-resistant rubber 209-1 generates a large reaction force and a large friction force after being pressed for 5mm, the motor 212 is sufficiently amplified, at this time, after the controller senses a current amplifying signal, the controller reacts, the switch is turned off, the current is cut off, the motor 212 stops rotating, and at the same time, the friction force enables all mechanisms to be stably immobilized in place, the whole preset screw rod 201 self travel of 100mm is completed, namely, the travel of the pull wire power nut 210 and the front fork swing arm 217 are both raised by 100mm and the purpose of the front fork swing arm 217 is completed by 180 degrees horizontally, the front fork swing arm 217 moves upwards under the drive of the screw rod 201, and simultaneously, as the guide effect of the screw guide mechanism 216 of the side shell 214 of the front fork swing arm 217 is forced to slowly swing 180 degrees in the horizontal direction, the gap between the stay wire power nut 210 and the front fork swing arm 217 is slightly reduced, the elastic rubber 203 is arranged between the front fork swing arm 217 and the stay wire power nut 210, the enough compression stroke is provided, the elastic rubber 203 is not destroyed after the front fork swing arm 217 rotates 180 degrees, the swing of the front fork swing arm 217 is not stopped, and 50N elasticity is generated, the elastic force is used for eliminating noise and vibration generated by the gap between the stay wire power nut 210 and the front fork swing arm 217, when the stay wire power nut 210 collides and presses the pressure-resistant rubber 209-1, the front fork swing arm 217 stops moving when the screw rod 201 stops rotating, at this time, just after the front fork swing arm 217 and the stay wire power nut 210 are raised by 100mm in synchronization and the front fork swing arm 217 swings horizontally by 180 °, the front fork device 218 is automatically retracted into the front fork insertion groove 500 of the case 100.
2. And (5) opening in a downlink mode: when the front fork device 218 is in a retracted state, the front fork swing arm 217 is positioned at the uppermost end of the spiral guide mechanism 216 on the side shell 214, when the motor 212 receives an instruction sent by the controller, the motor rotates anticlockwise, the pinion is driven to rotate, the pinion passes through the three-stage reduction gearbox and finally is transmitted to the screw rod 201 to rotate, the motor 212 drives the front fork swing arm 217 to move downwards, the stay wire power nut 210 and the front fork swing arm 217 simultaneously move downwards under the driving of the screw rod 201, at the moment, the upper pressure-resistant rubber 209-1 contacted with the stay wire power nut 210 has compression of 5mm, the compression of 5mm is released firstly, after the completion, the stay wire power nut 210 and the front fork swing arm 217 continue to move downwards, at the moment, the distance between the stay wire power nut 210 and the front fork swing arm 217 is slightly increased, namely the elastic rubber 203 is slightly decreased, the swing of the front fork swing arm 217 is not influenced, and the silencing and vibration-proof functions are kept, the pull wire power nut 210 is forced to move downwards by 100mm due to being clamped in the clamping groove 215, meanwhile, the pull wire 211 is driven to move downwards, the pull wire 211 in the pull wire sleeve 208 is tightened, the rear riding wheel 101 is erected and contacts with the ground and lifts the suitcase by 60mm, the front fork swing arm 217 swings horizontally and reversely under the action of the spiral guide mechanism 216 of the side shell 214, the front fork swing arm 217 starts to touch the lower pressure-resistant rubber 209-2 when descending by 95mm, at the moment, the screw rod 201 has a free stroke larger than 5mm, the lower plane of the front fork swing arm 217 starts to touch the lower pressure-resistant rubber 209-2, the motor 212 continues to drive, the lower plane of the front fork swing arm 217 starts to squeeze the lower pressure-resistant rubber 209-2, the lower pressure-resistant rubber 209-2 generates a large reaction force and a large friction force after being pressed by 5mm, the current of the motor 212 is amplified, at the moment, the controller senses the current amplified signal, the controller reacts, the switch is disconnected, the current is cut off, the motor 212 stops rotating, meanwhile, the friction force enables all mechanisms to be stably fixed in place, the whole preset screw rod 201 self-travel of 100mm is completed, namely, the purposes that the wire drawing power nut 210 and the front fork swing arm 217 are lowered by 100mm and the front fork swing arm 217 swings 180 degrees horizontally in the opposite direction are completed, namely, the front fork device 218 is separated from the front fork embedded groove 500 and is turned over horizontally by 180 degrees, the front wheel 219 and the rear riding wheel 101 lift the suitcase integrally by 60mm, the front wheel and the rear wheel are kept horizontal, and the riding state is completed.
The pedal structure of the present invention is further described below by taking the pedal structure of the present invention as an example on the above-mentioned ridable electric traveling case.
The front fork swing arm 217 is provided with a pedal groove which can enable the pedal frame 302 to retract, when the front fork swing arm 217 is opened, an unlocking rod 303 in the front fork swing arm 217 is propped against a top plate 305 on the box body 100 to keep the unfolding state of the pedal frame 302, when the front fork swing arm 217 is retracted, the unlocking rod 303 unlocks the pedal frame 302, and the pedal frame 302 automatically retracts into the pedal groove.
The pedal frame 302 is automatically retracted when the front fork swing arm 217 is folded up to the side of the case 100, thereby being convenient and quick.
Specific structure of pedal structure 300: comprises a pedal frame 302 and an unlocking rod 303, wherein the pedal frame 302 is hinged on the left side and the right side of a front fork swing arm 217, pedal grooves are formed in the front fork swing arm 217, the pedal frame 302 is rotationally folded in the pedal grooves on the left side and the right side of the front fork swing arm 217 through a pedal elastic reset piece 307, the unlocking rod 303 is arranged in an inner cavity of the front fork swing arm 217, the front end of the unlocking rod 303 is provided with a locking groove plate 306, the left side and the right side of the locking groove plate 306 are provided with locking grooves 308, the unlocking rod 303 is centered and reset through a centering reset elastic piece 304, the centering reset elastic piece 304 comprises a sleeve and arch elastic pieces on the left side and the right side of the sleeve, the centering reset elastic piece 304 is sleeved on the unlocking rod 303, the top of the arch elastic pieces acts on the left side and the right side of the inner cavity of the front fork swing arm 217, the rear end of the unlocking rod 303 extends out of the front fork swing arm 217, the unlocking rod 303 maintains an extending state through the unlocking reset elastic piece 301, the unlocking reset elastic piece 301 is a spiral spring, the spiral spring is positioned in front of the locking groove plate 306, when the front fork swing arm 217 rotates to an open state, the rear end of the unlocking rod 303 is pushed forward by the box body 100, the unlocking rod 303 overcomes the elastic action of the unlocking reset elastic piece 301 to drive the locking groove plate 306 to move forward to a locking position, the inner end of the pedal 309 on one side of the front fork swing arm 217 is embedded into the locking groove 308 of the locking groove plate 306 in a mode that the locking groove plate 306 is biased to the opposite side against the elastic action of the centering reset elastic piece 304 by pushing the locking groove plate 306, the unlocking of the pedal frame 302 is realized, the locking groove plate 306 resets to be centered when the pedal frame 302 on one side is locked, when the front fork swing arm 217 rotates to fold, the rear end of the unlocking rod 303 is separated from the action of the box body 100, the unlocking reset elastic piece 301 pushes the unlocking rod 303 to extend in a resetting mode, the locking groove plate 306 moves backwards to release the locking action of the inner end of the pedal frame 302, the pedal frames 302 on the left side and the right side of the front fork swing arm 217 are composed of pedals 309, auxiliary pedals 311 matched with the pedals 309 and connecting rods 310, the inner ends of the pedals 309 and the auxiliary pedals 311 are hinged to the front fork swing arm 217, two ends of each connecting rod 310 are hinged to the auxiliary pedals 311 and the outer ends of the matched pedals 309, the pedal frames 302 and the front fork swing arm 217 form a parallel four-bar mechanism, the pedal frames 302 can be rotationally folded into a straight line state to enter pedal grooves, the pedal structure 300 is arranged in the front fork swing arm 217, the front fork swing arm 217 comprises a long vertical section and a short vertical section, the rear end of the short vertical section is matched with the screw rod 201, the front end of the long vertical section is connected with the front fork device 218, the pedal structure 300 is arranged in the long vertical section, and one section of the unlocking rod 303 penetrates out from the rear end of the long vertical section.
As shown in fig. 6 and 7, the tail of the unlocking lever 303 continuously abuts against the top plate 305 of the suitcase in the riding state, and the top plate 305 is fixedly mounted on the suitcase body 100.
Centering return spring 304 function: when the pedal frame 302 is manually broken, the locking groove plate 306 can be retracted, and after the pedal 309 enters the square notch of the locking groove plate 306, the centering reset elastic member 304 is rebounded to the centering state.
When the bicycle is in the non-riding state, the front fork device 218 is retracted into the front fork embedding groove 500 of the suitcase by the swing arm mechanism 200, at this time, a space exists between the rear end of the long vertical section of the front fork swing arm 217 and the top plate 305, the unlocking lever 303 is separated from the constraint of the top plate 305, the rear end of the long vertical section of the front fork swing arm 217 is ejected out of the rear end of the long vertical section of the front fork swing arm 217 by the unlocking reset elastic piece 301, the end face is exposed for 15mm, and at this time, the locking groove plate 306 is in the unlocking position.
The top plate 305 continuously abuts against the rear end of the long vertical section of the front fork swing arm 217 in the riding state, while the unlocking lever 303 pushes the locking groove plate 306 forward by 15mm, and the locking groove plate 306 enters the self-locking position.
The working principle is as follows: the front fork device 218 in riding state is separated from the front fork embedded groove 500 of the suitcase and straightens, the top plate 305 continuously pushes the unlocking rod 303 which is originally exposed out of the rear end 15mm of the long vertical section of the front fork swing arm 217, the unlocking rod 303 pushes the locking groove plate 306 forward 15mm, the locking groove plate 306 pushes the unlocking reset elastic piece 301, the unlocking reset elastic piece 301 is in a compressed state, and the locking groove plate 306 is just in a self-locking position.
When a person manually breaks the left pedal frame 302, the pedals 309 of the left pedal frame 302 press the locking groove plate 306 first, that is, compress the centering reset elastic member 304, the centering reset elastic member 304 is pressed aside and deviates from the center, when the left pedal 309 is completely clamped into the locking groove 308, the centering reset elastic member 304 drives the locking groove plate 306 to centering and reset, the locking groove plate 306 is supported by the unlocking reset elastic member 301 in the front and is supported by the unlocking rod 303 and the top plate 305 in the rear, and cannot move back and forth, that is, the left pedal frame 302 is clamped by the locking groove plate 306 and cannot move back and forth, that is, the left pedal frame 302 is stretched out and self-locked. And (3) the same principle: the right pedal frame 302 is manually broken by a person, so that the right pedal 309 is blocked by the locking groove 308 and cannot move back and forth, and the manual force is terminated, so that the stretching self-locking work of the pedal frames 302 at two sides is completed.
And (3) recycling and automatically gathering: when the swing arm mechanism 200 starts to retract and rotate, a gap exists between the rear end of the long vertical section of the front fork swing arm 217 and the box body 100, the unlocking rod 303 starts to be separated from the top plate 305, at this time, the elastic force of the unlocking reset elastic member 301 is larger than the sum of the tensile forces of the left pedal elastic reset member 307 and the right pedal elastic reset member 307 of the two pedal frames 302, the locking groove plate 306 and the unlocking rod 303 simultaneously move backwards under the action of the spring force of the unlocking reset elastic member 301, the outer end of the pedal frame 302 deflects towards the direction of the vehicle head, then the inner end of the pedal 309 of the pedal frame 302 starts to slide out from the notch of the locking groove 308, and meanwhile, under the action of the tensile force of the pedal elastic reset member 307, the pedal frame 302 is pulled back by the pedal elastic reset member 307 on the auxiliary pedal 311, and the automatic retraction work is completed.
In this electric traveling case, the unlocking member is the top plate 305 on the case body of the traveling case, and the electric traveling case is also an electric traveling vehicle, and the case body of the traveling case can be regarded as a vehicle body of the electric traveling case.
Of course, the pedal structure 300 of the electric bicycle can also be used for other types of rotatable and foldable electric bicycles, such as rotatable and foldable electric bicycles, and the rotatable and foldable electric bicycle comprises a front fork device, a front fork swing arm and a rear bicycle body, wherein the front fork device is arranged on the front fork swing arm, the front fork swing arm is rotatably and foldably connected with the rear bicycle body, the front fork device is rotatably folded by 180 degrees to the side surface of the rear bicycle body through the front fork swing arm, and the front fork swing arm can be electrically and manually rotated and folded.
With the above-described preferred embodiments according to the present invention as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.
Claims (6)
1. A pedal structure of an electric bicycle is characterized in that: the pedal is hinged to the left side and the right side of the front fork swing arm, the pedal is rotationally folded on the left side and the right side of the front fork swing arm through a pedal elastic reset piece, the unlocking rod is installed in an inner cavity of the front fork swing arm, the front end of the unlocking rod is provided with a locking groove plate, the left side and the right side of the locking groove plate are provided with locking grooves, the unlocking rod is centered and reset right and left through a centering reset elastic piece, the rear end of the unlocking rod extends out of the front fork swing arm, the unlocking rod maintains an extending state through the unlocking reset elastic piece, the front fork swing arm rotates to an open state, the rear end of the unlocking rod is contacted with the unlocking piece and is pushed forward by the unlocking piece, the unlocking rod overcomes the elastic effect of the unlocking reset elastic piece to drive the locking groove plate to move forward to a locking position, the inner end of the pedal on one side of the front fork swing arm is biased to the locking groove plate on the opposite side through pushing the locking groove plate to realize locking of the pedal, the locking groove plate is centered after the pedal on one side is opened, and when the front fork swing arm rotates and is folded, the rear end of the unlocking rod is separated from the unlocking piece, the unlocking rod pushes the unlocking piece to extend out, and the inner end of the pedal is released;
The centering reset elastic piece comprises a sleeve and arched elastic parts at the left side and the right side of the sleeve, the centering reset elastic piece is sleeved on the unlocking rod through the sleeve, and the top of the arched elastic part acts on the left side and the right side of the inner cavity of the front fork swing arm;
the pedals on the left side and the right side of the front fork swing arm are matched with auxiliary pedals and connecting rods to form a pedal frame together, the inner ends of the auxiliary pedals are hinged to the front fork swing arm, the two ends of the connecting rods are hinged to the auxiliary pedals and the outer ends of the matched pedals, and the pedal frame and the front fork swing arm form a parallel four-bar mechanism.
2. The pedal structure of an electric bicycle of claim 1, wherein: the centering reset elastic piece is a plastic piece.
3. The pedal structure of an electric bicycle of claim 1, wherein: the unlocking reset elastic piece is a spiral spring and is positioned in front of the locking groove plate.
4. The pedal structure of an electric bicycle of claim 1, wherein: the front fork swing arm is provided with a pedal groove, so that the pedal or the pedal frame can be rotatably folded into the pedal groove.
5. The pedal structure of an electric bicycle of claim 1, wherein: the pedal elastic reset piece is connected with the auxiliary pedal and drives the pedal to rotate and fold.
6. The pedal structure of an electric bicycle of claim 1, wherein: the unlocking piece is a vehicle body.
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| CN201910538463.6A CN110356497B (en) | 2019-06-20 | 2019-06-20 | Pedal structure of electric bicycle |
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| CN201910538463.6A CN110356497B (en) | 2019-06-20 | 2019-06-20 | Pedal structure of electric bicycle |
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| CN110356497A (en) | 2019-10-22 |
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Denomination of invention: The pedal structure of electric bicycles Granted publication date: 20240426 Pledgee: Industrial and Commercial Bank of China Limited Changzhou Economic Development Zone sub branch Pledgor: CHANGZHOU SHUAN VEHICLE Co.,Ltd. Registration number: Y2024980023086 |