CN114432651B - Flywheel adjusting mechanism of exercise bicycle - Google Patents
Flywheel adjusting mechanism of exercise bicycle Download PDFInfo
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- CN114432651B CN114432651B CN202210091975.4A CN202210091975A CN114432651B CN 114432651 B CN114432651 B CN 114432651B CN 202210091975 A CN202210091975 A CN 202210091975A CN 114432651 B CN114432651 B CN 114432651B
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- 230000007246 mechanism Effects 0.000 title claims abstract description 82
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 47
- 239000003921 oil Substances 0.000 claims description 26
- 239000010720 hydraulic oil Substances 0.000 claims description 18
- 230000009471 action Effects 0.000 claims description 15
- 238000001514 detection method Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 5
- 230000009467 reduction Effects 0.000 claims description 3
- 230000001960 triggered effect Effects 0.000 claims description 2
- 230000008859 change Effects 0.000 abstract description 8
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
- A63B22/06—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with support elements performing a rotating cycling movement, i.e. a closed path movement
- A63B22/0605—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with support elements performing a rotating cycling movement, i.e. a closed path movement performing a circular movement, e.g. ergometers
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/005—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using electromagnetic or electric force-resisters
- A63B21/0056—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using electromagnetic or electric force-resisters using electromagnetically-controlled friction, e.g. magnetic particle brakes
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/008—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using hydraulic or pneumatic force-resisters
- A63B21/0084—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using hydraulic or pneumatic force-resisters by moving the surrounding water
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
- A63B71/0054—Features for injury prevention on an apparatus, e.g. shock absorbers
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
- A63B71/0054—Features for injury prevention on an apparatus, e.g. shock absorbers
- A63B2071/0081—Stopping the operation of the apparatus
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Cardiology (AREA)
- Vascular Medicine (AREA)
- Mechanical Control Devices (AREA)
- Motorcycle And Bicycle Frame (AREA)
Abstract
The invention discloses a flywheel adjusting mechanism of a body-building vehicle, which comprises a handle, a cushion, a flywheel, a pedal, a vehicle body, a magnetic resistance adjusting system, a water resistance adjusting system and a locking mechanism, wherein the cushion is connected with the vehicle body through a first elastic component, and the resistance of the body-building vehicle is initially adjusted through the self weight of a user through the magnetic resistance adjusting system; the locking mechanism is arranged, so that when a user steps on the switch on the pedal with feet, the magnetic resistance adjusting system is locked, and danger caused by sudden change of resistance when the user adjusts the riding posture is prevented; the water resistance adjusting system is arranged, so that the body-building vehicle can automatically adjust the deflection angle of the blades according to the rotating speed of the pedals of a user to control the size of the water resistance, and the size of the water resistance can be adjusted along with the physical variation of the user.
Description
Technical Field
The invention relates to the field of exercise bicycles, in particular to a flywheel adjusting mechanism of an exercise bicycle.
Background
The resistance of the traditional exercise bicycle is usually required to be manually adjusted, generally, a user firstly gets on the bicycle to feel the resistance, then stops getting off to adjust the resistance, then gets on the bicycle to feel the resistance, and if the resistance is not adjusted to the desired resistance, the actions are required to be repeated, so that the exercise is complicated, and meanwhile, after the user takes exercise for a period of time, the physical strength is reduced, the originally set resistance is not suitable for a tired user, and the user can only get off the exercise more quickly to finish the exercise; on the other hand, when people with large weight difference use the exercise bicycle in sequence, people often feel that the resistance difference is large, and it is inconvenient to adjust the resistance in a long time.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a flywheel adjusting mechanism of an exercise bicycle, which can preliminarily adjust the resistance of the exercise bicycle according to the weight of a user and complete locking when the user steps on a pedal switch; on the other hand, the body-building vehicle can automatically adjust the deflection angle of the blades according to the rotating speed of the pedals of the user, so that the water resistance can be adjusted along with the physical variation of the user.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides an exercise bicycle flywheel adjustment mechanism, includes hand (hold), cushion, flywheel, left pedal, right pedal and automobile body, still includes magnetic resistance governing system, water resistance governing system and locking Assembly, the cushion with the automobile body is connected through first elastomeric element, magnetic resistance governing system basis the first electro-magnet magnetic force size of cushion position control, set up first switch and second switch on left pedal and the right pedal respectively, work as when triggering simultaneously of first switch and second switch, locking Assembly is fixed the cushion, water resistance governing system basis the footboard slew velocity is adjusted the angle of blade deflection is in order to realize the regulation of water resistance on the flywheel.
In the above technical scheme, further, the magnetic resistance adjustment system includes a slide rheostat, a first electromagnet and a first connecting rod, one end of the first connecting rod is fixedly connected to the seat cushion, the other end of the first connecting rod is fixedly connected to a slide block of the slide rheostat, the first electromagnet is arranged at the upper end of the flywheel, the first electromagnet is connected in series with the slide rheostat, the resistance value of the slide rheostat is reduced along with the reduction of the position of the seat cushion, and when the resistance value of the slide rheostat is reduced, the current passing through the first electromagnet is increased, the magnetic force of the first electromagnet is stronger, so that the resistance force on the flywheel is larger.
In the above technical scheme, further, the locking assembly includes a first trigger mechanism, a second trigger mechanism, a connecting mechanism and a locking mechanism, the first trigger mechanism and the second trigger mechanism are respectively disposed on the left pedal and the right pedal, the first trigger mechanism controls the locking mechanism to be locked and loosened through the connecting mechanism, the first trigger mechanism includes a first switch, a first pull rope and a first piston, the first switch is hinged to the left pedal, the head of the first switch is provided with the first pull rope connected to the first piston, the tail of the first switch is connected to the left pedal through a second elastic component, and when the first switch is not under pressure, the first piston is reset under the action of a third elastic component.
In the above technical scheme, further, the second trigger mechanism controls the locking mechanism to be locked and loosened through the connecting mechanism, the second trigger mechanism includes a second switch, a second pull rope and a third piston, the second switch is hinged to the left pedal, the head of the second switch is provided with the second pull rope to be connected with the third piston, the tail of the second switch is connected with the right pedal through a second elastic component, and when the second switch is not under pressure, the third piston is reset under the action of the third elastic component.
In the above technical scheme, further, coupling mechanism includes axle sleeve, sealed bearing and dead lever, the axle sleeve passes through dead lever fixed connection is in the automobile body, the axle sleeve passes through sealed bearing rotates with the rotation connecting axle to be connected, the locking subassembly includes second piston, fourth piston and locking lever, the setting of locking subassembly is on the fixed cover, set up first electrode piece on the second piston, set up the second electrode piece on the fourth piston, set up the third electrode piece on the fixed cover.
In the above technical scheme, further, the rotating connecting shaft is hollow in the middle, hydraulic oil is arranged in a cavity between the first piston and the second piston, hydraulic oil is arranged in a cavity between the third piston and the fourth piston, a first oil outlet and a second oil outlet are arranged on the shaft sleeve, and the first oil outlet and the second oil outlet are respectively connected with the fixing sleeve through a first oil pipe and a second oil pipe.
In the above technical scheme, further, the first piston is driven by the first switch through pressing, the second piston enables the first electrode plate to be in contact with the third electrode plate under the action of hydraulic oil, the second piston drives the third piston through pressing, the fourth piston enables the second electrode plate to be in contact with the third electrode plate under the action of hydraulic oil, when the first electrode plate and the second electrode plate are in contact with the third electrode plate simultaneously, the second electromagnet is powered on to enable the locking rod to be attracted, the locking rod is rotatably connected with the fixed sleeve, and the locking rod is connected through a fourth elastic component, so that the positioning convex parts on the locking rod are matched with the positioning concave parts uniformly distributed on the cushion, and the cushion is fixed.
In the above technical scheme, further, the water resistance adjusting system includes a water tank and a blade deflecting mechanism, the blade deflecting mechanism is disposed on the flywheel, a speed detection sensor is disposed on the vehicle body, the flywheel is disposed in the water tank, the water tank is fixedly connected to the vehicle body, and the speed detection sensor transmits a signal to the processor to control the blade deflecting mechanism to start and stop so as to adjust the water resistance.
In the above technical scheme, further, the blade deflection mechanism includes a blade, a first gear, a second gear and a power element, the blade is rotatably connected to the flywheel through a rotating shaft, a tooth portion is arranged at the head of the rotating shaft and engaged with the first gear, the first gear drives the second gear to rotate, the second gear is engaged with a rack, a fifth piston is arranged at the bottom of the rack, the fifth piston is movable back and forth to drive the blade to rotate, the power element is fixed on the water tank through a limiting member, a sixth piston is arranged at the head of the power element, and the sixth piston is movable in a third oil pipe.
In the above technical scheme, further, hydraulic oil is arranged in a cavity between the sixth piston and the fifth piston, when the sixth piston is pushed forward under the action of the power element, the fifth piston pushes the rack to move under the action of the hydraulic oil, the rack drives the second gear to rotate and the first gear to rotate, the blade rotates along with the first gear, and the size of the water resistance is in direct proportion to the size of an included angle formed by the blade and the flywheel.
The invention has the beneficial effects that: 1. primarily adjusting the resistance of the exercise bike through the self weight of a user through a magnetic resistance adjusting system; 2. the locking assembly is arranged, so that when a user steps on the switch on the pedal with feet, the magnetic resistance adjusting system is locked, and danger caused by sudden change of resistance when the user adjusts the riding posture is prevented; 3. the water resistance adjusting system is arranged, so that the body-building vehicle can automatically adjust the deflection angle of the blades according to the rotating speed of the pedals of a user so as to control the size of the water resistance, and the size of the water resistance can be adjusted along with the physical change of the user.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic structural view of the elevation of the present invention.
Fig. 2 is a schematic view of another angle of elevation of the present invention.
Fig. 3 is a schematic view of the internal structure of fig. 1 of the present invention.
Fig. 4 isbase:Sub>A partial enlarged view of the sectionbase:Sub>A-base:Sub>A of fig. 3 of the present invention.
Fig. 5 is a partial enlarged view of section B-B of fig. 3 of the present invention.
Fig. 6 is an internal structure view of another section of fig. 1 of the present invention.
FIG. 7 is an enlarged partial view of section C-C of FIG. 6 of the present invention.
Fig. 8 is a schematic view of the internal structure of the locking assembly of the present invention.
Fig. 9 is an enlarged view of a portion of section D-D of fig. 8 of the present invention.
Fig. 10 is a schematic view of the structure of the blade deflecting mechanism of the present invention.
Fig. 11 is a schematic view of the internal structure of fig. 10 of the present invention.
Fig. 12 is a schematic view of the internal structure of fig. 10 from another angle according to the present invention.
In the figure, 1, a handle, 2, a cushion, 21, a first elastic component, 22, a positioning concave part, 3, a flywheel, 4, a left pedal, 41, a right pedal, 5, a vehicle body, 51, a speed detection sensor, 6, a magnetic resistance adjusting system, 61, a sliding rheostat, 611, a sliding block, 62, a first electromagnet, 63, a first connecting rod, 7, a water resistance adjusting system, 71, a water tank, 72, a blade deflection mechanism, 721, a blade, 722, a first gear, 723, a second gear, 724, a power element, 7241, a sixth piston, 725, a rotating shaft, 7251, a tooth part, 726, a rack, 7261, a fifth piston, 727, a third oil pipe, 8, a locking component, 81, a first trigger mechanism, 811, a first switch, 812, a first pull rope, 813, a first piston, 814, a second elastic component, 815, a third elastic component, 82, a second trigger mechanism, 821, a second switch, 822, a second pull rope, 823, a third piston, 83, a connecting mechanism, 831, a shaft sleeve, 832, a sealing bearing, 833, a fixing rod, 834, a rotating connecting shaft, 835, a first oil outlet, 836, a second oil outlet, 837, a first oil pipe, 838, a second oil pipe, 84, a clamping mechanism, 841, a second piston, 8411, a first electrode plate, 842, a fourth piston, 8421, a second electrode plate, 843, a locking rod, 8431, a positioning convex part, 844, a third electrode plate, 845 and a second electromagnet.
Detailed Description
Referring to fig. 1-12, an exercise bicycle flywheel 3 adjusting mechanism includes a handle 1, a seat cushion 2, a flywheel 3, a left pedal 4, a right pedal 41, a body 5, a reluctance adjusting system 6, a water resistance adjusting system 7, and a locking assembly 8, where the seat cushion 2 is connected to the body 5 through a first elastic member 21, the reluctance adjusting system 6 adjusts the magnetic force of a first electromagnet 62 according to the position of the seat cushion 2, the left pedal 4 and the right pedal 41 are respectively provided with a first switch 811 and a second switch 821, when the first switch 811 and the second switch 821 are simultaneously triggered, the locking assembly 8 fixes the seat cushion 2, and the water resistance adjusting system 7 adjusts the deflection angle of a blade 721 on the flywheel 3 according to the pedal rotation speed to adjust the water resistance.
In order to enable the resistance of the exercise bicycle to be initially adjusted according to the weight of a user, the magnetic resistance adjusting system 6 comprises a slide rheostat 61, an electromagnet and a first connecting rod 63, the flywheel 3 is made of metal capable of receiving the magnet, one end of the first connecting rod 63 is fixedly connected with the seat cushion 2, the other end of the first connecting rod 63 is fixedly connected with a sliding block 611 of the slide rheostat 61, the electromagnet is arranged at the upper end of the flywheel 3 and is connected with the slide rheostat 61 in series, when the weight of the user is heavier, the first elastic component 21 is seriously pressed and deformed, the resistance value of the slide rheostat 61 is reduced along with the reduction of the position of the seat cushion 2, and when the resistance value of the slide rheostat 61 is reduced, the passing current of the electromagnet is increased, the magnetic force of the electromagnet is stronger, so that the resistance received by the flywheel 3 is larger; on the contrary, when the user has a light weight, the first elastic member 21 is deformed less by the pressure, the resistance value of the slide rheostat 61 has a smaller variation amount than that of the user having a heavy weight, the current passing through the electromagnet is relatively smaller, and the magnetic force of the electromagnet is relatively weaker, so that the resistance force applied to the flywheel 3 is relatively smaller.
In order to lock the reluctance adjusting system 6 when a user simultaneously depresses a first switch 811 and a second switch 821 on the left and right pedals 41, so as to prevent the user from danger caused by sudden resistance change when adjusting the riding posture, the locking assembly 8 comprises a first trigger mechanism 81, a second trigger mechanism 82, a connecting mechanism 83 and a locking mechanism, the first trigger mechanism 81 and the second trigger mechanism 82 are respectively arranged on the left pedal 4 and the right pedal 41, the first trigger mechanism 81 controls locking and unlocking of the locking mechanism through the connecting mechanism 83, the first trigger mechanism 81 comprises a first switch 811, a first pull rope 812 and a first piston 813, the first switch 811 is hinged with the left pedal 4, the head of the first switch 811 is provided with the first pull rope 812 connected with the first piston 813, the tail of the first switch 811 is connected with the left pedal 4 through a second elastic component 814, and when the first switch 811 is depressed by a pressure, the first piston 813 is moved outwards by the pull force of the first pull rope 812; when the first switch 811 is not pressed, the first piston 813 is reset by the third elastic component 815, the first switch 811 is reset by the second elastic component 814, the second trigger mechanism 82 controls the locking mechanism to be locked and unlocked by the connecting mechanism 83, the second trigger mechanism 82 comprises a second switch 821, a second pull rope 822 and a third piston 823, the second switch 821 is hinged to the left pedal 4, the second pull rope 822 is arranged at the head of the second switch 821 to be connected to the third piston 823, the tail of the second switch 821 is connected to the right pedal 41 by the second elastic component 814, and when the second switch 821 is pressed, the second piston 841 is pulled by the second pull rope 822 to move outwards; when the second switch 821 is not pressurized, the third piston 823 is reset by the third elastic member 815, and the second switch 821 is reset by the second elastic member 814.
The connecting mechanism 83 comprises a shaft sleeve 831, a sealing bearing 832 and a fixing rod 833, the shaft sleeve 831 is fixedly connected in the vehicle body 5 through the fixing rod 833, the shaft sleeve 831 is rotatably connected with a rotating connecting shaft 834 through the sealing bearing 832, a partition is arranged in the middle of the shaft sleeve 831, the locking assembly 8 comprises a second piston 841, a fourth piston 842 and a locking rod 843, the locking assembly 8 is arranged on the fixing sleeve, a first electrode plate 8411 is arranged on the second piston 841, a second electrode plate 8421 is arranged on the fourth piston 842, a third electrode plate 844 is arranged on the fixing sleeve, the rotating connecting shaft 834 is hollow in the middle, hydraulic oil is arranged in a cavity between the first piston 813 and the second piston 841, hydraulic oil is arranged in a cavity between the third piston 823 and the fourth piston 842, a first oil outlet 835 and a second oil outlet 836 are arranged on the shaft sleeve 831, and the first oil outlet 835 and the second oil outlet 836 are respectively connected with the fixing sleeve through a first oil pipe 837 and a second oil outlet 838. The first switch 811 is pressed down to drive the first piston 813, the second piston 841 is pressed down to drive the first electrode plate 8411 to contact with the third electrode plate 844 under the action of hydraulic oil, the second switch 821 is pressed down to drive the third piston 823, the fourth piston 842 is pressed down to contact the second electrode plate 8421 with the third electrode plate 844 under the action of hydraulic oil, when the first electrode plate 8411 and the second electrode plate 8421 are simultaneously in contact with the third electrode plate 844, the second electromagnet 845 is electrified to attract the locking rod 843, when one or none of the first electrode plate 8411 and the second electrode plate 8421 is in contact with the third electrode plate 844, the second electromagnet 845 is not electrified, the locking rod 843 is rotatably connected with the fixed sleeve 843, and the fixed rod 833 is connected through a fourth elastic component, so that the positioning convex portions 8431 on the locking rod 843 are matched with the positioning concave portions 22 uniformly distributed on the seat cushion 2, and the seat cushion 2 is fixed.
In order to ensure that the exercise bicycle can automatically adjust the water resistance according to the rotating speed of the pedal 4 of the user, so that the size of the water resistance can be adjusted along with the physical variation of the user, the water resistance adjusting system 7 comprises a water tank 71 and a blade deflecting mechanism 72, wherein the blade deflecting mechanism 72 is arranged on the flywheel 3, a speed detection sensor 51 is provided on the vehicle body 5, the flywheel 3 is disposed inside the water tank 71, the water tank 71 is fixedly connected with the vehicle body 5, the speed detection sensor 51 transmits a signal to a processor to control the starting and stopping of the blade deflection mechanism 72 so as to realize the adjustment of the water resistance, the vane deflecting mechanism 72 comprises a vane, a first gear 722, a second gear 723 and a power element 724, the blades are rotationally connected with the flywheel 3 through a rotating shaft 725, the head part of the rotating shaft is provided with a toothed part 7251 which is meshed with the first gear 722, the first gear 722 drives a second gear 723 to rotate, the second gear 723 is meshed with a rack 726, a fifth piston 7261 is arranged at the bottom of the rack 726, the fifth piston 7261 can drive the blades to rotate back and forth, the power element 724 is fixed on the water tank 71 through a limiting member, the head of the power element 724 is provided with a sixth piston 7241, the sixth piston 7241 is movable in the third oil tube 727, hydraulic oil is provided in a cavity between the sixth piston 7241 and the fifth piston 7261, when the sixth piston 7241 is advanced by the power element 724, the fifth piston 7261 pushes the rack 726 to move under the action of the hydraulic oil, the rack 726 drives the second gear 723 to rotate and the first gear 722 to rotate, the blades 721 rotate along with the rotation of the first gear 722, and the size of the water resistance is in direct proportion to the size of an included angle formed by the blades 721 and the flywheel 3.
All power supplies of the electric control device in the invention are externally connected.
The using method of the invention comprises the following steps: the user sits on cushion 2, make cushion 2 sink by gravity thereby make slide rheostat 61 resistance change arouse the electro-magnet magnetic force change, the people that the weight is bigger sit cushion 2 and make the deformation volume bigger, the resistance change is also bigger, the resistance is also bigger, the user places trigger switch on the footboard with both feet again, make clamping mechanism 84 press from both sides tight cushion 2, prevent that the user from changing suddenly and causing danger when the posture is ridden in the adjustment, the user begins to ride, speed detection sensor 51 detects the contrast with signal transmission to treater and to the speed of riding, when the speed of riding is greater than the setting, blade 721 deflection angle is bigger, make 3 water resistance grow of flywheel, when the speed of riding is less than the setting, blade 721 deflection angle is littleer, make 3 water resistance of flywheel diminish.
According to the design, the following functions can be realized: 1. primarily adjusting the resistance of the exercise bike through the self weight of a user through a magnetic resistance adjusting system; 2. the locking assembly is arranged, so that when a user steps on the switch on the pedal with feet, the magnetic resistance adjusting system is locked, and danger caused by sudden change of resistance when the user adjusts the riding posture is prevented; 3. the water resistance adjusting system is arranged, so that the body-building vehicle can automatically adjust the deflection angle of the blades according to the rotating speed of the pedals of a user to control the size of the water resistance, and the size of the water resistance can be adjusted along with the physical variation of the user.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and simple modifications, equivalent changes and modifications may be made without departing from the technical scope of the present invention.
Claims (9)
1. A flywheel adjusting mechanism of a body building vehicle comprises a handle, a cushion, a flywheel, a left pedal, a right pedal and a vehicle body and is characterized by further comprising a magnetic resistance adjusting system, a water resistance adjusting system and a locking assembly, wherein the cushion is connected with the vehicle body through a first elastic component, the magnetic resistance adjusting system adjusts the magnetic force of a first electromagnet according to the position of the cushion, the left pedal and the right pedal are respectively provided with a first switch and a second switch, when the first switch and the second switch are triggered simultaneously, the cushion is fixed through the locking assembly, the water resistance adjusting system adjusts the deflection angle of a blade on the flywheel according to the rotation speed of the pedal so as to achieve adjustment of water resistance, the magnetic resistance adjusting system comprises a slide rheostat, a first electromagnet and a first connecting rod, one end of the first connecting rod is fixedly connected with the cushion, the other end of the first connecting rod is fixedly connected with a sliding block of the slide rheostat, the first electromagnet is arranged at the upper end of the flywheel, the first electromagnet is connected with the slide rheostat in series, the resistance of the electromagnet is reduced along with the position reduction of the electromagnet, and when the resistance of the slide flywheel is reduced, the current passing through the first flywheel is increased, the resistance of the first electromagnet is increased, so that the magnetic force of the cushion is stronger the resistance of the first electromagnet, the cushion is subjected to resistance.
2. The flywheel adjusting mechanism of exercise bicycle according to claim 1, wherein the locking assembly comprises a first trigger mechanism, a second trigger mechanism, a connecting mechanism and a locking mechanism, the first trigger mechanism and the second trigger mechanism are respectively disposed on the left pedal and the right pedal, the first trigger mechanism controls the locking mechanism to be locked and unlocked through the connecting mechanism, the first trigger mechanism comprises a first switch, a first pull rope and a first piston, the first switch is hinged to the left pedal, the first pull rope is disposed at the head of the first switch and connected to the first piston, the tail of the first switch is connected to the left pedal through a second elastic component, and when the first switch is not pressed, the first piston is reset under the action of a third elastic component.
3. The flywheel adjusting mechanism of exercise bicycle according to claim 2, wherein the second trigger mechanism controls the locking mechanism to be locked and unlocked through the connecting mechanism, the second trigger mechanism comprises a second switch, a second pull rope and a third piston, the second switch is hinged to the left pedal, the head of the second switch is provided with the second pull rope to be connected with the third piston, the tail of the second switch is connected with the right pedal through a second elastic component, and when the first switch is not pressed, the third piston is reset under the action of the third elastic component.
4. The flywheel adjustment mechanism of exercise bicycle according to claim 3, wherein the connection mechanism comprises a shaft sleeve, a sealing bearing and a fixing rod, the shaft sleeve is fixedly connected in the body through the fixing rod, the shaft sleeve is rotatably connected with the rotating connection shaft through the sealing bearing, the locking assembly comprises a second piston, a fourth piston and a locking rod, the locking assembly is arranged on the fixing sleeve, the second piston is provided with a first electrode plate, the fourth piston is provided with a second electrode plate, and the fixing sleeve is provided with a third electrode plate.
5. The flywheel adjusting mechanism of exercise bicycle according to claim 4, wherein the rotating connecting shaft is hollow in the middle, hydraulic oil is disposed in the cavity between the first piston and the second piston, hydraulic oil is disposed in the cavity between the third piston and the fourth piston, a first oil outlet and a second oil outlet are disposed on the shaft sleeve, and the first oil outlet and the second oil outlet are respectively connected with the fixing sleeve through a first oil pipe and a second oil pipe.
6. The flywheel adjusting mechanism of exercise bicycle according to claim 5, wherein the first switch is pressed to drive the first piston, the second piston is pressed to make the first electrode plate contact with the third electrode plate under the action of hydraulic oil, the second switch is pressed to drive the third piston, the fourth piston is pressed to make the second electrode plate contact with the third electrode plate under the action of hydraulic oil, when the first electrode plate and the second electrode plate contact with the third electrode plate simultaneously, the second electromagnet is powered to attract the locking rod, the locking rod is rotatably connected with the fixed sleeve, and the locking rod is connected through a fourth elastic component, so that the positioning convex parts on the locking rod are matched with the positioning concave parts uniformly distributed on the cushion, and the cushion is fixed.
7. The exercise bicycle flywheel adjusting mechanism according to claim 1, wherein the water resistance adjusting system comprises a water tank and a blade deflection mechanism, the blade deflection mechanism is arranged on the flywheel, a speed detection sensor is arranged on the bicycle body, the flywheel is arranged in the water tank, the water tank is fixedly connected with the bicycle body, and the speed detection sensor transmits a signal to a processor to control the blade deflection mechanism to start and stop so as to adjust the water resistance.
8. The flywheel adjustment mechanism of exercise bicycle according to claim 7, wherein the blade deflection mechanism comprises a blade, a first gear, a second gear and a power element, the blade is rotatably connected to the flywheel through a rotating shaft, the head of the rotating shaft is provided with a tooth portion engaged with the first gear, the first gear drives the second gear to rotate, the second gear is engaged with a rack, the bottom of the rack is provided with a fifth piston, the fifth piston moves back and forth to drive the blade to rotate, the power element is fixed on the water tank through a limiting member, the head of the power element is provided with a sixth piston, and the sixth piston moves in a third oil pipe.
9. The flywheel adjusting mechanism of exercise bicycle according to claim 8, wherein hydraulic oil is provided in a cavity between the sixth piston and the fifth piston, when the sixth piston is pushed forward by the power element, the fifth piston pushes the rack to move under the action of the hydraulic oil, the rack drives the second gear to rotate and the first gear to rotate, the blades rotate along with the rotation of the first gear, and the size of the water resistance is in direct proportion to the size of an included angle formed between the blades and the flywheel.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210091975.4A CN114432651B (en) | 2022-01-26 | 2022-01-26 | Flywheel adjusting mechanism of exercise bicycle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210091975.4A CN114432651B (en) | 2022-01-26 | 2022-01-26 | Flywheel adjusting mechanism of exercise bicycle |
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| CN114432651A CN114432651A (en) | 2022-05-06 |
| CN114432651B true CN114432651B (en) | 2022-11-08 |
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| CN202210091975.4A Active CN114432651B (en) | 2022-01-26 | 2022-01-26 | Flywheel adjusting mechanism of exercise bicycle |
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| CN102133466B (en) * | 2010-11-17 | 2013-03-27 | 青岛英派斯健康科技有限公司 | Method for automatically controlling resistance of spontaneous electrical damping treadmill by utilizing body weight |
| TWM552361U (en) * | 2017-06-27 | 2017-12-01 | Fitek Fitness Products Inc | Fitness equipment and its resistance application sensor |
| CN208493105U (en) * | 2018-04-16 | 2019-02-15 | 浙江工业大学 | A kind of exercycle adjusting resistance using fluid damping |
| CN208785664U (en) * | 2018-08-24 | 2019-04-26 | 惠州市卓越运动器材有限公司 | A kind of water resistance magnetic bike |
| CN111359151A (en) * | 2020-04-14 | 2020-07-03 | 王惠英 | Water resistance spinning |
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Denomination of invention: A fitness bike flywheel adjustment mechanism Granted publication date: 20221108 Pledgee: Yongkang branch of the Industrial Commercial Bank of China Ltd. Pledgor: ZHEJIANG FEISHEN VEHICLE Co.,Ltd. Registration number: Y2024980000240 |