Carbon-free treadmill

Abstract

The application discloses a carbon-free running machine, which comprises a chassis, a handrail frame and a handrail, the top of the chassis is provided with a footrest frame, the rear end of the footrest frame is rotationally connected with the chassis, the front end and the chassis are provided with a slope adjusting device capable of adjusting the inclination of the footrest frame, a plurality of rollers are arranged on the footrest frame along the front and back direction, a magnet assembly is fixed on the inner wall of the roller, a cylinder cover is arranged on the left and right ends of the roller, a stator core is arranged in the roller, a fixing shaft is arranged on the left and right ends of the stator core, a bearing is arranged between the fixing shaft and the cylinder cover, the left and right fixing shafts are respectively fixed on the left and right side walls of the footrest frame and support the roller on the footrest frame, a coil winding for cutting the magnetic induction lines generated by the magnet assembly is arranged on the stator core, the coil winding is led out to the outside of the cylinder cover and is provided with a terminal, the terminal is externally connected with a load to form a loop, and the footrest frame is provided with a running belt capable of wrapping the plurality of rollers and driving the rollers to rotate during movement, so that the carbon-free running machine has the advantages of simple structure and good running experience effect.

Description

TECHNICAL FIELD

[0001] The present application relates to a kind of carbon-free treadmills. BACKGROUND

[0002] Now the main low-carbon green, gymnasium has various treadmills, mainly using 220V power drive, running speed is through the speed of motor to realize, not enough environmental protection, both consume electric energy and waste a lot of athletes in the exercise mechanical energy. And the present application will develop a carbon-free treadmill without electric energy, and can convert the mechanical energy of people in exercise into electric energy. The present application adopts special mechanical structure and electrical structure, and applies the law of conservation of energy in physics, according to the different speed and slope requirements of users, through simple and easy adjustment of the angle of treadmill, good running experience effect can be achieved to meet various running feeling. SUMMARY

[0003] The technical problem to be solved by the present application is to provide a carbon-free treadmill with simple structure, energy saving and environmental protection, which can effectively recycle the mechanical energy of people in exercise. By adopting multiple rollers to support the running belt side by side, and setting the multiple rollers inclined, the component force of human body gravity and the friction force during running are used to drive the running belt to move and speed up automatically, and the power generation structure is set in the multiple rollers to generate electricity by the mechanical energy during human movement. According to the different speed and slope requirements of users, the angle of the roller and the running belt is adjusted to obtain a relatively stable running speed, achieve good running experience effect, and meet various running feeling.

[0004] To solve the above technical problems, the application discloses a carbon-free treadmill, which is characterized by comprising a base frame, a handrail frame connected to the base frame, a handrail arranged on the handrail frame, a footrest frame arranged above the base frame, a rear end of the footrest frame being rotatably connected to the base frame, a slope adjusting device arranged between a front end of the footrest frame and the base frame and capable of lifting the front end of the footrest frame to different heights to adjust the inclination of the footrest frame in the front-rear direction, the footrest frame comprising left and right footrest plates, a plurality of rollers arranged between the left and right footrest plates in the front-rear direction, a magnet assembly fixed to the inner wall of each roller and capable of generating magnetic induction lines perpendicular to the axial direction of the roller, a cylinder cover arranged on the left and right ends of each roller, a stator core arranged in each roller, a fixed shaft arranged on the left and right ends of the stator core and extending from the cylinder cover, a bearing arranged between the fixed shaft and the cylinder cover and having an outer ring fixed to the cylinder cover and an inner ring fixed to the fixed shaft, the left and right fixed shafts being respectively fixed to the left and right side walls of the footrest frame to support the rollers on the footrest frame, a coil winding arranged on the stator core and capable of cutting the magnetic induction lines in the roller when the roller rotates relative to the stator core, a wiring terminal led out from the coil winding to the outside of the cylinder cover, and a running belt wrapped around the outside of the plurality of rollers and capable of driving the rollers to rotate when the running belt moves.

[0005] The carbon-free treadmill is characterized in that the slope adjusting device comprises a sliding block, a first supporting rod and a second supporting rod, the sliding block is slidably connected to the base frame and capable of sliding on the base frame in the front-rear direction, one end of the first supporting rod is hingedly connected to the sliding block, the other end of the first supporting rod is hingedly connected to the front end of the footrest frame, one end of the second supporting rod is hingedly connected to the base frame, the other end of the second supporting rod is provided with a strip-shaped slot, a connecting rod is arranged on the middle part of the first supporting rod and capable of sliding and rotating in the strip-shaped slot, and a sliding driving device is arranged on the base frame and capable of driving the sliding block to slide.

[0006] The carbon-free treadmill is characterized in that the sliding driving device comprises a screw rod rotatably connected to the base frame, a pair of nuts threadedly connected to the screw rod and capable of moving relative to the screw rod when the screw rod rotates, a push rod connected between each nut and the sliding block, the two ends of the push rod being respectively hingedly connected to the nut and the sliding block, the push rods on each pair of nuts being symmetrically arranged and forming two sides of an isosceles triangle or an isosceles trapezoid, a screw rod driving device connected to the screw rod and capable of driving the screw rod to rotate, and the two nuts in each pair being symmetrically away from or close to each other when the screw rod rotates, thereby driving the sliding block to slide in the front-rear direction.

[0007] The carbon-free treadmill is characterized in that the screw rod driving device comprises a hand crank, and the hand crank and the screw rod are in transmission through a belt and a belt pulley.

[0008] A carbon-free treadmill as described above, characterized in that: on one end of the roller, a commutator is arranged on the outside of the fixed shaft inside the cylinder cover, the coil winding is electrically connected with the commutator, two conductive rings are arranged on the outside of the fixed shaft and insulated from each other, two sets of brushes rotating with the roller are fixed on the cylinder cover, each set of brushes includes an inner brush and an outer brush, each set of inner and outer brushes are electrically connected and located on the inner and outer sides of the cylinder cover respectively, two inner brushes are respectively in contact with different commutator segments of the commutator, two outer brushes are respectively in contact with two conductive rings, each outer brush corresponds to one conductive ring, when the roller rotates, the inner and outer brushes rotate by pressing the commutator and the conductive ring respectively, and the terminal has two and is electrically connected with two conductive rings respectively.

[0009] A carbon-free treadmill as described above, characterized in that: each roller corresponds to two terminals, one of which is a positive terminal and the other is a negative terminal, and is arranged on the outside of the fixed shaft, the foot support is provided with left and right grooves on the side wall for supporting the fixed shaft, the grooves are located below the fixed shaft, and the grooves span multiple fixed shafts corresponding to multiple rollers from front to back, each groove is provided with a series connecting piece for electrically connecting terminals of the same polarity on multiple fixed shafts, one series connecting piece connects multiple positive terminals, and the other series connecting piece connects multiple negative terminals.

[0010] A carbon-free treadmill as described above, characterized in that: the magnet assembly includes a pair of magnetic poles formed by N-pole magnets and S-pole magnets around the inner periphery of the roller, the pair of magnetic poles extends from the left end to the right end of the roller, and the coil winding spans from the left end to the right end of the roller corresponding to the pair of magnetic poles.

[0011] Compared with the prior art, the present application has the following advantages: the present application adjusts the foot support to incline at a certain angle in the front-rear direction by the slope adjusting device, and then the plurality of rollers and the running belt are inclined downward from front to rear. When a person stands on the running belt, a component force F along the inclined downward direction of the running belt is generated under the action of the weight. When the inclination angle of the foot support is larger, the component force F is larger for the person with the same weight. When the component force F reaches a certain value, the rollers attached to the inner side of the running belt start to roll, and the running belt under the feet moves backward. The person needs to move forward on the running belt to avoid being sent out of the running belt by the running belt, and the self-movement of the running belt is realized through the conversion of the gravitational potential energy of the person on the running machine. When the person moves on the running belt, a part of the force stepped on by the person can be converted into the force for driving the running belt to move backward, and the speed of the running belt is increased by the separation of the gravity, thereby saving energy and protecting the environment. The faster the running belt moves, the faster the rollers rotate. When the rollers rotate, the magnets rotate around the stator core and the coil winding, so that the coil winding cuts the magnetic induction lines in the rollers to generate current and generate electricity, and the electricity is directly or indirectly connected to the external load through the terminal, thereby converting the mechanical energy during the exercise of the person into electrical energy and reasonably utilizing the mechanical energy during the exercise of the person. According to the Lenz law, when the speed is increased, the magnetic field force generated by each coil winding hinders the movement of the rollers, and the magnetic field forces generated by the plurality of coil windings jointly act on the person to keep a relatively stable running state when the running speed of the person reaches a certain value, so that a good running experience effect is achieved. In addition, the angle of the foot support can be adjusted according to the weight and the speed requirement of the person, so that various running feelings are achieved. BRIEF DESCRIPTION OF DRAWINGS

[0012] The specific embodiments of the present application will be further described in detail below with reference to the accompanying drawings, in which:

[0013] Figure 1 is a structural schematic view of the present application;

[0014] Figure 2 is a structural schematic view of the present application when the running belt is removed;

[0015] Figure 3 is Figure 2 is an enlarged view of A in FIG. 4;

[0016] Figure 4 is a structural schematic view of the fixed shaft and the related matching structure;

[0017] Figure 5 is a side view of the present application;

[0018] Figure 6 is a structural schematic view of the slope adjusting device. DETAILED DESCRIPTION

[0019] The application will be further described in conjunction with the accompanying drawings:

[0020] As Figures 1 to 6 shown in the drawings, a carbon-free treadmill comprises a base frame 1, a handrail frame 2 connected to the base frame 1, a handrail 21 provided on the handrail frame 2, a foot frame 3 provided above the base frame 1, the rear end of the foot frame 3 being rotatably connected to the base frame 1, such as being hinged, a slope adjusting device 6 provided between the front end of the foot frame 3 and the base frame 1, which can lift the front end of the foot frame 3 to different heights to adjust the inclination of the foot frame 3 in the front-rear direction, the foot frame 3 comprising left and right foot plates 31, a plurality of rollers 41 provided between the left and right foot plates 31, the rollers 41 being arranged in the front-rear direction, a magnet assembly 42 fixed on the inner wall of the roller 41 to generate magnetic induction lines perpendicular to the axial direction of the roller 41 inside the roller 41, a cylinder cover 43 provided on the left and right ends of the roller 41, a stator core 44 provided inside the roller 41, a fixed shaft 45 extending from the cylinder cover 43 provided on the left and right ends of the stator core 44, a bearing 46 provided between the fixed shaft 45 and the cylinder cover 43, the outer ring of the bearing 46 being fixed to the cylinder cover 43 and the inner ring being fixed to the fixed shaft 45, the left and right fixed shafts 45 being respectively fixed to the left and right side walls of the foot frame 3 and supporting the roller 41 on the foot frame 3, a coil winding 47 provided on the stator core 44, which can cut the magnetic induction lines inside the roller 41 when the roller 41 rotates relative to the stator core 44, a wiring terminal 48 led out to the outside of the cylinder cover 43 from the coil winding 47, and a running belt 5 wrapped around the outside of the plurality of rollers 41 and capable of driving the rollers 41 to rotate when in motion.

[0021] When the footrest 3 is adjusted to a certain angle by the slope adjusting device 6, the plurality of rollers 41 and the running belt 5 are inclined downward from front to back, and when a person stands on the running belt 5, a component force F along the running belt 5 is generated under the action of gravity. When the angle of the footrest 3 is greater, the component force F is greater for the same weight person, and when the component force F reaches a certain value, the rollers 41 on the inner side of the running belt 5 roll, and the running belt 5 under the feet moves backward. The person needs to move forward on the running belt 5 to avoid being sent out of the running belt 5 by the running belt 5, and the self-movement of the running belt 5 is realized through the conversion of the gravitational potential energy of the person on the treadmill. When the person moves on the running belt 5, part of the force stepped by the person's feet is converted into the force driving the running belt 5 to move backward, and the speed of the running belt is increased by the separation of gravity. The faster the running belt moves, the faster the rollers 41 rotate. When the rollers 41 rotate, the magnet assembly 42 rotates around the stator core 44 and the coil winding 47, so that the coil winding 47 cuts the magnetic induction lines in the rollers 41 to generate current and generate electricity, and the mechanical energy during the person's exercise is converted into electrical energy through the connection terminal 48 directly or indirectly connected to the external load. The mechanical energy during the person's exercise is reasonably utilized. According to Lenz's law, by setting a plurality of rollers 41 and corresponding coil windings 47, the magnetic field force generated by each coil winding 47 hinders the movement of the rollers 41 when the speed is increased, and the magnetic field forces generated by the plurality of coil windings 47 jointly act on the person to maintain a relatively stable running state when the person's running speed reaches a certain value, so as to achieve a good running experience effect. At the same time, according to different weight persons and different speed requirements, the angle of the footrest 3 can be adjusted to achieve various running feelings.

[0022] The slope adjusting device 6 comprises a sliding block 61, a first supporting rod 62 and a second supporting rod 63. The sliding block 61 is slidingly connected to the chassis 1 and can slide forward and backward on the chassis 1. The first supporting rod 62 is hingedly connected to one end of the sliding block 61 and hingedly connected to the front end of the footrest 3. The second supporting rod 63 is hingedly connected to the chassis 1 at one end and provided with a strip-shaped slot 64 at the other end. The middle part of the first supporting rod 62 is provided with a connecting rod 65 which is inserted into and can slide and rotate in the strip-shaped slot 64. The chassis 1 is provided with a sliding driving device for driving the sliding block 61 to slide.

[0023] The sliding driving device comprises a screw rod 66 connected to the base frame 1, a pair of nuts 67 threadedly connected to the screw rod 66 and capable of relative movement when the screw rod rotates, a push rod 68 connected between each nut 67 and the sliding block 61, the two ends of the push rod 68 being hingedly connected to the nut 67 and the sliding block 61 respectively, the push rods 68 of each pair being symmetrically arranged and forming two sides of an isosceles triangle or isosceles trapezoid, a screw rod driving device connected to the screw rod 66 for driving the screw rod to rotate, and when the screw rod 66 rotates, the two nuts 67 of each pair symmetrically open or close to each other, thereby driving the sliding block 61 to slide forward and backward.

[0024] The screw rod driving device comprises a hand crank 7, the hand crank 7 and the screw rod 66 being connected through a belt 8 and a belt wheel 9. As shown in Figure 5 , the hand crank 7 can be arranged at the upper portion of the handrail frame 2 to facilitate operation when a person is running on the treadmill, and then the driving is performed through two belts 8 and a plurality of belt wheels 9, one end of one belt 8 being connected to the hand crank 7, the left end of the other belt 8 being connected to the screw rod 66, and the other ends of the two belt wheels 9 being connected through two coaxial belt wheels 9 to connect the two belts at a certain angle to drive the belts, so that one belt is arranged downward along the handrail frame 2 and then pulled to the screw rod 66 through the other belt, and the structure is compact and beautiful.

[0025] Of course, the screw rod driving device can also adopt a motor and chain wheel structure, and is powered by a battery, and the battery can be connected to the load circuit of the coil winding 47 to generate electricity when running, and the battery is charged and stored by generating electricity when running, and then connected to the control system to control the motor to work, thereby realizing automatic control.

[0026] At one end of the drum 41, referring to the principle of the direct current generator, the outer side of the fixed shaft 45 is provided with a commutator 49 inside the cylinder cover 43, the coil winding 47 is electrically connected with the commutator 49, and the outer side of the fixed shaft 45 is provided with two conductive rings 410 outside the cylinder cover 43 and insulated from each other, the cylinder cover 43 is fixed with two sets of brushes rotating with the drum 41, each set of brushes includes an inner brush 411 and an outer brush 412, each set of inner brush 411 and outer brush 412 is electrically connected and located on the inner and outer sides of the cylinder cover 43 respectively, wherein the two inner brushes 411 are respectively in contact with different commutator segments of the commutator 49, and the two outer brushes 412 are respectively in contact with the two conductive rings 410, each outer brush 412 corresponds to a conductive ring 410, when the drum 41 rotates, the inner brush 411 and the outer brush 412 rotate by pressing the commutator 49 and the conductive ring 410 respectively, in the process of rotation, the conductive ring 410 is in electrical communication with different commutators 49, the terminal 48 has two and is electrically connected with the two conductive rings 410, thereby leading the current generated inside the drum 41 to the terminal 48 outside the drum 41 to the load.

[0027] Each drum 41 corresponds to two terminals 48, one of which is a positive terminal and the other of which is a negative terminal, and is provided on the outer side of the fixed shaft 45, the foot support 3 is provided with left and right grooves 32 on the side wall of the fixed shaft 45, the grooves 32 are located below the fixed shaft 45, and the grooves 32 span the corresponding fixed shafts 45 of a plurality of drums 41 front and back, each groove 32 is provided with a series connection piece 33 for electrically connecting the terminals of the same polarity on the plurality of fixed shafts 45 in series, one series connection piece 33 connects a plurality of positive terminals in series, and the other series connection piece 33 connects a plurality of negative terminals in series, the structure is simple, the hidden wiring connects the terminals of the same polarity in series, and then connects to the load, the structure is compact and neat.

[0028] The magnet assembly 42 includes a pair of magnetic poles formed by N-pole magnets 421 and S-pole magnets 422 around the inner periphery of the drum 41, due to the width of the drum 41, the pair of magnetic poles extends from the left end to the right end of the drum 41, and the coil winding 47 corresponds to the pair of magnetic poles and spans from the left end to the right end of the drum 41, so as to better generate electricity. The N-pole magnets 421 and the S-pole magnets 422 are electromagnets, preferably permanent magnets.

Claims

1. A carbon-free treadmill, characterized by: The application relates to a treadmill, which comprises a chassis (1), a handrail frame (2) connected to the chassis (1), a handrail (21) arranged on the handrail frame (2), a footstep frame (3) arranged above the chassis (1), a rear end of the footstep frame (3) being rotatably connected to the chassis (1), a slope adjusting device (6) arranged between a front end of the footstep frame (3) and the chassis (1) and capable of lifting the front end of the footstep frame (3) to different heights so as to adjust the inclination of the footstep frame (3) in the front-rear direction, the footstep frame (3) comprising left and right footstep plates (31), a plurality of rollers (41) arranged between the left and right footstep plates (31) on the footstep frame (3) and arranged in the front-rear direction, a magnet assembly (42) fixed on the inner wall of each roller (41) and capable of generating magnetic induction lines perpendicular to the axial direction of the roller (41) in the roller (41), a cylinder cover (43) arranged on the left and right ends of each roller (41), a stator core (44) arranged in each roller (41), a fixed shaft (45) arranged on the left and right ends of the stator core (44) and extending out of the cylinder cover (43), a bearing (46) arranged between the fixed shaft (45) and the cylinder cover (43) and having an outer ring fixed to the cylinder cover (43) and an inner ring fixed to the fixed shaft (45), the left and right fixed shafts (45) being respectively fixed to the left and right side walls of the footstep frame (3) so as to support the rollers (41) on the footstep frame (3), a coil winding (47) arranged on the stator core (44) and capable of cutting the magnetic induction lines in the roller (41) when the roller (41) rotates relative to the stator core (44), a wiring terminal (48) led out of the cylinder cover (43) from the coil winding (47), a running belt (5) arranged on the footstep frame (3) and wrapped around the plurality of rollers (41) and capable of driving the rollers (41) to rotate when the running belt (5) moves, and the slope adjusting device (6) adjusts the inclination of the footstep frame (3) in the front-rear direction to a certain angle, so that the plurality of rollers (41) and the running belt (5) are inclined downward from front to back, and each roller (41) corresponds to the coil winding (47), and each coil winding (47) generates a magnetic field force to hinder the movement of the roller (41) when the speed is increased. The slope adjusting device (6) comprises a sliding block (61), a first supporting rod (62) and a second supporting rod (63), the sliding block (61) is slidably connected to the chassis (1) and capable of sliding on the chassis (1) in the front-rear direction, one end of the first supporting rod (62) is hingedly connected to the sliding block (61), the other end of the first supporting rod (62) is hingedly connected to the front end of the footstep frame (3), one end of the second supporting rod (63) is hingedly connected to the chassis (1), the other end of the second supporting rod (63) is provided with a strip-shaped slot (64), the middle part of the first supporting rod (62) is provided with a connecting rod (65) inserted into the strip-shaped slot (64) and capable of sliding and rotating in the strip-shaped slot (64), and the chassis (1) is provided with a sliding driving device for driving the sliding block (61) to slide. The sliding drive device comprises a screw rod (66) rotatably connected to the chassis (1), a pair of nuts (67) threadedly connected to the screw rod (66) and capable of relative movement when the screw rod rotates, a push rod (68) connected between each nut (67) and the sliding block (61), the two ends of the push rod (68) being hingedly connected to the nut (67) and the sliding block (61) respectively, the push rods (68) of each pair of nuts (67) being symmetrically arranged and forming two sides of an isosceles triangle or isosceles trapezoid, a screw rod drive device connected to the screw rod (66) for driving rotation of the screw rod (66), and when the screw rod (66) rotates, the two nuts (67) in each pair symmetrically open or close to each other, thereby driving the sliding block (61) to slide forward and backward. The screw rod drive device comprises a hand crank (7), the hand crank (7) and the screw rod (66) being in transmission through a belt (8) and a belt pulley (9), and the hand crank (7) being arranged on the upper portion of the handrail frame (2).

2. A carbon-free treadmill as claimed in claim 1, wherein: On one end of the drum (41), a commutator (49) is arranged on the outer side of the fixed shaft (45) and located inside the drum cover (43), the coil winding (47) is electrically connected with the commutator (49), two conductive rings (410) are arranged on the outer side of the fixed shaft (45) and located outside the drum cover (43) and insulated from each other, two sets of brushes rotating with the drum (41) are fixed on the drum cover (43), each set of brushes comprises an inner brush (411) and an outer brush (412), each set of inner brushes (411) and outer brushes (412) are electrically connected and located on the inner and outer sides of the drum cover (43) respectively, the two inner brushes (411) are respectively in contact pressure with different commutator segments of the commutator (49), the two outer brushes (412) are respectively in contact pressure with the two conductive rings (410), each outer brush (412) corresponds to one conductive ring (410), when the drum (41) rotates, the inner brushes (411) and the outer brushes (412) rotate in contact pressure with the commutator (49) and the conductive ring (410) respectively, and the terminal (48) has two and is electrically connected with the two conductive rings (410) respectively.

3. A carbon-free treadmill as claimed in claim 2, wherein: The two terminal (48) corresponding to each drum (41) are a positive terminal and a negative terminal respectively, and are arranged on the outer side of the fixed shaft (45), the foot support (3) for supporting the side wall of the fixed shaft (45) is provided with left and right recesses (32), the recesses (32) are located below the fixed shaft (45), and the recesses (32) span multiple fixed shafts (45) corresponding to multiple drums (41) from front to back, and each recess (32) is provided with a series connecting piece (33) for electrically connecting the terminals of the same polarity of the multiple fixed shafts (45) in series, one series connecting piece (33) connects multiple positive terminals in series, and the other series connecting piece (33) connects multiple negative terminals in series.

4. A carbon-free treadmill as claimed in claim 1, wherein: The magnet assembly (42) includes pairs of magnetic poles formed by N-pole magnets (421) and S-pole magnets (422) around the inner periphery of the cylinder (41), the pairs of magnetic poles extending from the left end to the right end of the cylinder (41), the coil winding (47) spanning the pairs of magnetic poles from the left end to the right end of the cylinder (41).

Images