CN212166399U - Inner magnetic control flywheel resistance adjusting device and combination device - Google Patents
Inner magnetic control flywheel resistance adjusting device and combination device Download PDFInfo
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- CN212166399U CN212166399U CN202020073961.6U CN202020073961U CN212166399U CN 212166399 U CN212166399 U CN 212166399U CN 202020073961 U CN202020073961 U CN 202020073961U CN 212166399 U CN212166399 U CN 212166399U
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Abstract
The utility model provides an interior magnetic control flywheel resistance adjusting device and composite set, include: the device comprises a metal flywheel 1, a metal ring 2, a plastic chassis 3, magnetic shoes 4, a circular motion assembly 5, a driving motor 6 and a transmission structure; the output end of the driving motor 6 is provided with a worm 9, and the transmission structure is connected between the worm 9 and the circular motion assembly 5; the driving motor 6 drives the circular motion assembly 5 to rotate around a rotating shaft through the transmission structure, so as to drive the magnetic shoe 4 to move, wherein the movement of the magnetic shoe 4 comprises a movement component in a radial direction; the internal magnetic control flywheel resistance adjusting devices or the internal magnetic control flywheel resistance adjusting devices and other flywheels except the metal flywheel (1) can be connected in a cascade or parallel mode. The utility model discloses can adjust the damping intensity that magnetic field intensity and metal loop interact produced, simple, reliable, with low costs.
Description
Technical Field
The utility model relates to a body-building and sport equipment field specifically, relates to an interior magnetic control flywheel resistance adjusting device and composite set.
Background
In many fitness sports equipment, such as exercise bicycles, elliptical machines, rowing machines and other machines, certain damping is required to stimulate the muscles of the human body to exert force during the exercise. A conventional flywheel resistance adjusting system disclosed in patent document CN109381834A includes a flywheel, a motor, a transmission structure, a magnetic shoe and a PCB; the motor, the transmission structure, the magnetic shoe and the PCB are all arranged on the flywheel; the transmission structure comprises a speed reduction assembly and a lead screw assembly, a motor, the speed reduction assembly, the lead screw assembly and a magnetic shoe are sequentially connected, and the magnetic shoe is slidably mounted on the flywheel; the PCB is provided with a motor operation protection circuit, and the motor operation protection circuit is connected with a motor; the lead screw assembly comprises a lead screw and an adjusting nut; the speed reducing assembly comprises a worm wheel and a worm, the worm is fixedly connected with the motor in the circumferential direction, and the worm wheel is fixedly connected with the screw rod in the circumferential direction; the adjusting nut forms a sliding block, and the sliding block is connected to the magnetic shoe through a set pull rope.
However, the conventional flywheel resistance adjustment system has the following problems:
1. there is still a point of structural optimization.
2. The structure is complicated, the installation and debugging are difficult, the damage of any one part on a power transmission path can directly cause the damage of the whole function, and the failure rate is extremely high.
Patent document CN106730636A provides a portable fitness equipment, which adjusts the distance between the magnet set and the metal flywheel (1) by pulling the handle to achieve the purpose of adjusting the resistance, but this structure is suitable for manual operation, is difficult to adapt to the structure driven by the motor, and is not beneficial to electric or automatic adjustment. Patent document CN202620563U provides a metal flywheel (1) device of an exercise bicycle, which achieves the purpose of adjusting the resistance of the metal flywheel (1) by controlling the current in an electromagnet, but needs to be additionally provided with an electromagnet structure and related circuits, thus increasing the manufacturing difficulty. In the magnetic resistance mechanism in the cable apparatus provided in patent document CN105848733B, the resistance mechanism includes a metal flywheel (1) and a magnetic unit arranged to resist the movement of the metal flywheel (1), but the moving structure is not suitable for use in a small space and compact structure application environment such as an exercise bike.
In addition, the working state of the motor in the existing fitness equipment is determined by the power supply, the rotation time of the motor, the rotation direction is determined by the power-on time, and the positive and negative of the interface, so that the displacement control and monitoring of the output end of the motor cannot be realized. In practical applications, 40% of failures are due to the lack of such protection, resulting in a large number of customer complaints, and extremely high maintenance costs.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model aims at providing an interior magnetic control flywheel resistance adjusting device and composite set.
According to the utility model provides a pair of interior magnetism accuse flywheel resistance adjusting device, include: the device comprises a metal flywheel 1, a metal ring 2, a plastic chassis 3, magnetic shoes 4, a circular motion assembly 5, a driving motor 6 and a transmission structure; the metal flywheel 1 rotates around the plastic chassis 3; the metal ring 2 is fixedly connected with the metal flywheel 1; the driving motor 6 is arranged on the plastic chassis 3; the magnetic shoe 4 is arranged on the circular motion assembly 5; the circular motion assembly 5 is rotatably mounted around a rotating shaft; the output end of the driving motor 6 is provided with a worm 9, and the transmission structure is connected between the worm 9 and the circular motion assembly 5; the driving motor 6 drives the circular motion assembly 5 to rotate around a rotating shaft through the transmission structure, so as to drive the magnetic shoe 4 to move, wherein the movement of the magnetic shoe 4 comprises a movement component in a radial direction; the plurality of internal magnetic control flywheel resistance adjusting devices or the internal magnetic control flywheel resistance adjusting devices and other flywheels except the metal flywheel (1) can be connected in a cascade or parallel mode.
Preferably, the transmission structure includes: the reduction box 22 and the connecting rod assembly 7; the driving motor 6 is connected with the reduction gearbox 22 through the worm 9, and the reduction gearbox 22 drives the connecting rod assembly 7 so as to drive the circular motion assembly 5.
Preferably, a turbine 10 is arranged on the plastic chassis 3; the worm wheel 10 is connected with the worm 9; further comprising: a rack 21; the rack 21 is connected with the reduction gearbox 22; further comprising: a connecting rod assembly 7; the connecting rod assembly 7 is connected with the magnetic shoe 4; the further comprises a shaft 12; the shaft 12 is connected with the plastic chassis 3 through a bearing; further comprising: a circular motion assembly 5, the circular motion assembly 5 being mounted on the plastic chassis 3.
Preferably, the method further comprises the following steps: a flange plate 11; the plastic chassis 3 is connected with a shaft 12 through a flange plate 11; the number of the magnetic shoes 4 is multiple; the circular motion component 5 is provided with a plurality of circular motion components; the reduction box 22 is provided with an output gear 23; the output gear 23 is connected to the rack 21.
Preferably, the method further comprises the following steps: a gear assembly; the gear assembly drives the circular motion assembly 5; the gear assembly includes a plurality of intermeshing gears; the link assembly 7 includes: a first connecting rod and a second connecting rod; the first connecting rod and the second connecting rod are respectively movably connected with the circular motion assembly 5; the first connecting rod and the second connecting rod are arranged on the same side of the circular motion component 5, or the first connecting rod and the second connecting rod are respectively arranged on two sides of the circular motion component 5; the circular motion assembly 5 is provided with a limiting block 8; further comprising: a worm 9; a worm wheel 10 is arranged on the worm 9; the worm 9 is connected with the driving motor 6.
Preferably, the method further comprises the following steps: a PCB board 205; the transmission structure and the PCB 205 are both arranged on the plastic chassis 3; the transmission structure includes: the speed reducing assembly and the lead screw assembly; the driving motor 6, the speed reducing assembly, the screw rod assembly and the circular motion assembly 5 are sequentially connected; a motor operation protection circuit is arranged on the PCB 205 and is connected with the driving motor 6; the lead screw assembly comprises a lead screw 213 and an adjusting nut; the speed reducing assembly comprises a worm wheel 10 and a worm 9, the worm 9 is fixedly connected with the driving motor 6 in the circumferential direction, and the worm wheel 10 is fixedly connected with the screw rod 213 in the circumferential direction; the adjusting nut forms a sliding block 215, and the sliding block 215 is connected to the circular motion assembly 5 through a set pulling rope; the metal flywheel 1 is provided with a first accommodating groove and a second accommodating groove which are communicated with each other; the driving motor 6 and the lead screw assembly are respectively installed in the first accommodating groove and the second accommodating groove, and the groove wall surface of the second accommodating groove forms a guide surface for the sliding block 215; a first bearing 214 is arranged between the screw rod 213 and the metal flywheel 1; the metal flywheel 1 is also provided with a flange plate 11 in a fastening way; the driving motor 6 is fixedly arranged on the plastic chassis 3 through a motor pressing block 209; the pull cord comprises a steel wire pull cord 206; the plastic chassis 3 comprises a first cover body 201 and a second cover body 202 which are tightly connected; after the first cover body 201 and the second cover body 202 are assembled, a ring-shaped hole is formed at the outer end in the radial direction, and a sliding space of the magnetic shoe 4 is formed inside the ring-shaped hole; a copper sleeve 208 and a steel sleeve 207 are also arranged in the annular hole; or, the annular hole is also provided with a copper sleeve 208 without a steel sleeve 207; a spring 217 is further disposed between the first cover 201 and the second cover 202.
Preferably, a first bearing 214 is arranged between the screw rod 213 and the plastic chassis 3; the plastic chassis 3 is also fixedly provided with a flange plate 11; the driving motor 6 is fastened and installed on the plastic chassis 3 through a motor pressing block 209.
Preferably, the motor operation protection circuit comprises an MCU control circuit, a motor start-stop circuit, an external interface circuit and a state display circuit; a control signal output port of the MCU control circuit is connected to a control signal input port of the motor start-stop circuit; the display output port of the MCU control circuit is connected to the display input port of the state display circuit; an external signal output port of the external interface circuit is respectively connected to a first external signal input port of the MCU control circuit and a second external signal input port of the motor starting circuit; the MCU control circuit comprises an MCU part; the Up port and the Down port of the MUC form the control signal output port; the LED port contained in the MCU part forms the display output port; the VCC port and the GND port contained in the MCU form the first external signal input port; the MCU control circuit also comprises a position sensor RW1, a temperature sensor RT1, a temperature sensor RT2, a capacitor C1 and a resistor R9; the position sensor RW1 includes a sliding rheostat TAP; the MCU part also comprises an A1 port and a Temp port; the plurality of external signal output ports comprise a fifth port, a fourth port and a third port; the VCC port is respectively connected to one end of a capacitor C1, one end of a fixed resistor of a slide rheostat TAP, a fifth port, one end of a temperature sensor RT1 and one end of a temperature sensor RT 2; the a1 port is connected to the slide end and the fourth port of the slide rheostat TAP respectively; the GND port is respectively connected to the other end of the capacitor C1, the other end of the fixed resistor of the sliding rheostat TAP and the third port, and the GND port is grounded; the Temp ports are respectively connected to the other end of the temperature sensor RT1, the other end of the temperature sensor RT2 and one end of the resistor R9; the other end of the resistor R9 is connected to ground.
Preferably, the state display circuit includes a resistor R7, a resistor R8, a light emitting diode LED1, and a light emitting diode LED 2; the plurality of Led ports comprise an Led1 port and an Led2 port; the Led1 port, the resistor R7 and the anode of the light-emitting diode LED1 are sequentially connected, and the cathode of the light-emitting diode LED1 is grounded; the Led2 port, the resistor R8 and the anode of the light-emitting diode LED2 are sequentially connected, and the cathode of the light-emitting diode LED2 is grounded; the motor start-stop circuit comprises an optocoupler PC1, an optocoupler PC2, a switching tube Q1, a switching tube Q2, a diode D1, a diode D2, a capacitor C2, a voltage dependent resistor RV1, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5 and a resistor R6; the plurality of external signal output ports also comprise a second port and a first port; the Up port, the resistor R5 and the light emitter PC1A of the optocoupler PC1 are sequentially connected and then grounded; the Down port, the resistor R6 and the light emitter PC2A of the optocoupler PC2 are sequentially connected and then grounded; one end of the driving motor 6 is respectively connected to one end of a resistor R3, one end of a piezoresistor RV1, one end of a capacitor C2, one end of a resistor R4 and a second port; the other end of the driving motor 6 is respectively connected to the other end of the piezoresistor RV1, the other end of the capacitor C2, the collector of the switching tube Q1 and the emitter of the switching tube Q1; the other end of the resistor R3 is connected with one end of a light receiver PC1B of the optocoupler PC1, and the other end of the light receiver PC1B is respectively connected with one end of a resistor R1 and a base electrode of the switch tube Q1; the other end of the resistor R1 is respectively connected to the emitter of the switching tube Q1 and the anode of the diode D1; the cathode of the diode D1 is connected to the anode of the diode D2 and the first port respectively; the other end of the resistor R4 is connected with one end of a light receiver PC2B of the optocoupler PC2, and the other end of the light receiver PC2B is respectively connected with a base electrode of the switching tube Q2 and one end of the resistor R2; the other end of the resistor R2 is respectively connected to the collector of the switching tube Q2 and the cathode of the diode D2; the lead screw assembly is arranged in any one of the following modes: the screw 213 is connected to the reduction assembly and the adjusting nut is connected to the magnetic shoe 4; the adjusting nut is connected to the reduction assembly and the screw 213 is connected to the magnetic shoe 4.
According to the utility model provides a pair of combined device, include: the internal magnetic control flywheel resistance adjusting devices are connected in a cascade or parallel mode, wherein the internal magnetic control flywheel resistance adjusting devices and/or the internal magnetic control flywheel resistance adjusting devices are connected with other flywheels except the metal flywheel (1).
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses rational in infrastructure, convenient operation.
2. The utility model discloses a clearance adjustment between the metal loop on magnetic shoe and the metal flywheel to the damping intensity that adjustment magnetic field intensity and metal loop interact produced, simple, reliable, with low costs.
3. The utility model discloses a simplify the transmission part, be favorable to cost control and improve the life-span.
4. The utility model discloses a gear, rack drive, resistance change control is more accurate.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic view of the overall structure of a first internal magnetic control flywheel resistance adjusting device provided by the present invention.
Fig. 2 is a schematic view of a first internal magnetic control flywheel resistance adjusting device according to the present invention.
Fig. 3 is a schematic view of the overall structure of a second internal magnetic control flywheel resistance adjusting device provided by the present invention.
Fig. 4 is a schematic structural diagram of a front side of a second internal magnetic control flywheel resistance adjusting device provided by the present invention.
Fig. 5 is a schematic side view of a second internal magnetic control flywheel resistance adjustment device provided by the present invention.
Fig. 6 is a schematic view of a metal flywheel resistance adjustment system provided in an embodiment of the present invention;
fig. 7 is a sectional view of a metal flywheel resistance adjustment system a-a according to an embodiment of the present invention.
Fig. 8 is a connection structure diagram of the electronic components on the PCB board according to the embodiment of the present invention.
Fig. 9 is a schematic structural view of a motor operation monitoring system in an embodiment of the present invention.
Fig. 10 is a schematic view of the internal magnetic control flywheel resistance adjustment component connected in cascade in the embodiment of the present invention.
Fig. 11 is a schematic view illustrating the connection of the internal magnetic control flywheel resistance adjustment member in parallel in the embodiment of the present invention.
In the figure:
metal flywheel 1 rack 21
First connecting rod steel bushing 207
Second connecting rod copper sleeve 208
Limiting block 8 motor pressing block 209
Screw rod 213 of worm 9
Shaft 12 sliding resistor 216
Fixed flange 13 spring 217
Detailed Description
The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.
As shown in fig. 1 to 11, according to the present invention, an internal magnetic control flywheel resistance adjusting device includes: the device comprises a metal flywheel 1, a metal ring 2, a plastic chassis 3, magnetic shoes 4, a circular motion assembly 5, a driving motor 6 and a transmission structure; the metal flywheel 1 rotates around the plastic chassis 3; the metal ring 2 is fixedly connected with the metal flywheel 1; the driving motor 6 is arranged on the plastic chassis 3; the magnetic shoe 4 is arranged on the circular motion assembly 5; the circular motion assembly 5 is rotatably mounted around a rotating shaft; the output end of the driving motor 6 is provided with a worm 9, and the transmission structure is connected between the worm 9 and the circular motion assembly 5; the driving motor 6 drives the circular motion assembly 5 to rotate around a rotating shaft through the transmission structure, so as to drive the magnetic shoe 4 to move, wherein the movement of the magnetic shoe 4 comprises a movement component in a radial direction; the internal magnetic control flywheel resistance adjusting devices or the internal magnetic control flywheel resistance adjusting devices and other flywheels except the metal flywheel (1) can be connected in a cascade or parallel mode. Specifically, in one embodiment, the metal ring is an aluminum ring.
1. Specifically, each wheel produces 10kg of tension after cascading, so that the overall tension is 10kg ^ n, where n is the number of cascades
2. After parallel connection, each wheel generates 10kg of pulling force, so that the overall pulling force is 10kg multiplied by the cascade number.
Preferably, the transmission structure includes: the reduction box 22 and the connecting rod assembly 7; the driving motor 6 is connected with the reduction gearbox 22 through the worm 9, and the reduction gearbox 22 drives the connecting rod assembly 7 so as to drive the circular motion assembly 5.
Preferably, a turbine 10 is arranged on the plastic chassis 3; the worm wheel 10 is connected with the worm 9; further comprising: a rack 21; the rack 21 is connected with the reduction gearbox 22; further comprising: a connecting rod assembly 7; the connecting rod assembly 7 is connected with the magnetic shoe 4; the further comprises a shaft 12; the shaft 12 is connected with the plastic chassis 3 through a bearing; further comprising: a circular motion assembly 5, the circular motion assembly 5 being mounted on the plastic chassis 3.
Preferably, the method further comprises the following steps: a flange plate 11; the plastic chassis 3 is connected with a shaft 12 through a flange plate 11; the number of the magnetic shoes 4 is multiple; the circular motion component 5 is provided with a plurality of circular motion components; the reduction box 22 is provided with an output gear 23; the output gear 23 is connected to the rack 21.
Preferably, the method further comprises the following steps: a gear assembly; the gear assembly drives the circular motion assembly 5; the gear assembly includes a plurality of intermeshing gears; the link assembly 7 includes: a first connecting rod and a second connecting rod; the first connecting rod and the second connecting rod are respectively movably connected with the circular motion assembly 5; the first connecting rod and the second connecting rod are arranged on the same side of the circular motion component 5, or the first connecting rod and the second connecting rod are respectively arranged on two sides of the circular motion component 5; the circular motion assembly 5 is provided with a limiting block 8; further comprising: a worm 9; a worm wheel 10 is arranged on the worm 9; the worm 9 is connected with the driving motor 6.
Preferably, the method further comprises the following steps: a PCB board 205; the transmission structure and the PCB 205 are both arranged on the plastic chassis 3; the transmission structure includes: the speed reducing assembly and the lead screw assembly; the driving motor 6, the speed reducing assembly, the screw rod assembly and the circular motion assembly 5 are sequentially connected; a motor operation protection circuit is arranged on the PCB 205 and is connected with the driving motor 6; the lead screw assembly comprises a lead screw 213 and an adjusting nut; the speed reducing assembly comprises a worm wheel 10 and a worm 9, the worm 9 is fixedly connected with the driving motor 6 in the circumferential direction, and the worm wheel 10 is fixedly connected with the screw rod 213 in the circumferential direction; the adjusting nut forms a sliding block 215, and the sliding block 215 is connected to the circular motion assembly 5 through a set pulling rope; the metal flywheel 1 is provided with a first accommodating groove and a second accommodating groove which are communicated with each other; the driving motor 6 and the lead screw assembly are respectively installed in the first accommodating groove and the second accommodating groove, and the groove wall surface of the second accommodating groove forms a guide surface for the sliding block 215; a first bearing 214 is arranged between the screw rod 213 and the metal flywheel 1; the metal flywheel 1 is also provided with a flange plate 11 in a fastening way; the driving motor 6 is fixedly arranged on the plastic chassis 3 through a motor pressing block 209; the pull cord comprises a steel wire pull cord 206; the plastic chassis 3 comprises a first cover body 201 and a second cover body 202 which are tightly connected; after the first cover body 201 and the second cover body 202 are assembled, a ring-shaped hole is formed at the outer end in the radial direction, and a sliding space of the magnetic shoe 4 is formed inside the ring-shaped hole; a copper sleeve 208 and a steel sleeve 207 are also arranged in the annular hole; or, the annular hole is also provided with a copper sleeve 208 without a steel sleeve 207; a spring 217 is further disposed between the first cover 201 and the second cover 202.
Preferably, a first bearing 214 is arranged between the screw rod 213 and the plastic chassis 3; the plastic chassis 3 is also fixedly provided with a flange plate 11; the driving motor 6 is fastened and installed on the plastic chassis 3 through a motor pressing block 209.
Preferably, the motor operation protection circuit comprises an MCU control circuit, a motor start-stop circuit, an external interface circuit and a state display circuit; a control signal output port of the MCU control circuit is connected to a control signal input port of the motor start-stop circuit; the display output port of the MCU control circuit is connected to the display input port of the state display circuit; an external signal output port of the external interface circuit is respectively connected to a first external signal input port of the MCU control circuit and a second external signal input port of the motor starting circuit; the MCU control circuit comprises an MCU part; the Up port and the Down port of the MUC form the control signal output port; the LED port contained in the MCU part forms the display output port; the VCC port and the GND port contained in the MCU form the first external signal input port; the MCU control circuit also comprises a position sensor RW1, a temperature sensor RT1, a temperature sensor RT2, a capacitor C1 and a resistor R9; the position sensor RW1 includes a sliding rheostat TAP; the MCU part also comprises an A1 port and a Temp port; the plurality of external signal output ports comprise a fifth port, a fourth port and a third port; the VCC port is respectively connected to one end of a capacitor C1, one end of a fixed resistor of a slide rheostat TAP, a fifth port, one end of a temperature sensor RT1 and one end of a temperature sensor RT 2; the a1 port is connected to the slide end and the fourth port of the slide rheostat TAP respectively; the GND port is respectively connected to the other end of the capacitor C1, the other end of the fixed resistor of the sliding rheostat TAP and the third port, and the GND port is grounded; the Temp ports are respectively connected to the other end of the temperature sensor RT1, the other end of the temperature sensor RT2 and one end of the resistor R9; the other end of the resistor R9 is connected to ground.
Preferably, the state display circuit includes a resistor R7, a resistor R8, a light emitting diode LED1, and a light emitting diode LED 2; the plurality of Led ports comprise an Led1 port and an Led2 port; the Led1 port, the resistor R7 and the anode of the light-emitting diode LED1 are sequentially connected, and the cathode of the light-emitting diode LED1 is grounded; the Led2 port, the resistor R8 and the anode of the light-emitting diode LED2 are sequentially connected, and the cathode of the light-emitting diode LED2 is grounded; the motor start-stop circuit comprises an optocoupler PC1, an optocoupler PC2, a switching tube Q1, a switching tube Q2, a diode D1, a diode D2, a capacitor C2, a voltage dependent resistor RV1, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5 and a resistor R6; the plurality of external signal output ports also comprise a second port and a first port; the Up port, the resistor R5 and the light emitter PC1A of the optocoupler PC1 are sequentially connected and then grounded; the Down port, the resistor R6 and the light emitter PC2A of the optocoupler PC2 are sequentially connected and then grounded; one end of the driving motor 6 is respectively connected to one end of a resistor R3, one end of a piezoresistor RV1, one end of a capacitor C2, one end of a resistor R4 and a second port; the other end of the driving motor 6 is respectively connected to the other end of the piezoresistor RV1, the other end of the capacitor C2, the collector of the switching tube Q1 and the emitter of the switching tube Q1; the other end of the resistor R3 is connected with one end of a light receiver PC1B of the optocoupler PC1, and the other end of the light receiver PC1B is respectively connected with one end of a resistor R1 and a base electrode of the switch tube Q1; the other end of the resistor R1 is respectively connected to the emitter of the switching tube Q1 and the anode of the diode D1; the cathode of the diode D1 is connected to the anode of the diode D2 and the first port respectively; the other end of the resistor R4 is connected with one end of a light receiver PC2B of the optocoupler PC2, and the other end of the light receiver PC2B is respectively connected with a base electrode of the switching tube Q2 and one end of the resistor R2; the other end of the resistor R2 is respectively connected to the collector of the switching tube Q2 and the cathode of the diode D2; the lead screw assembly is arranged in any one of the following modes: the screw 213 is connected to the reduction assembly and the adjusting nut is connected to the magnetic shoe 4; the adjusting nut is connected to the reduction assembly and the screw 213 is connected to the magnetic shoe 4.
According to the utility model provides a pair of combined device, include: the internal magnetic control flywheel resistance adjusting devices are connected in a cascade or parallel mode, wherein the internal magnetic control flywheel resistance adjusting devices and/or the internal magnetic control flywheel resistance adjusting devices are connected with other flywheels except the metal flywheel (1).
The utility model has reasonable structure and convenient operation; the damping intensity generated by the interaction of the magnetic field intensity and the metal ring is adjusted by adjusting the gap between the magnetic shoe and the metal ring on the metal flywheel, so that the damping device is simple, reliable and low in cost; the cost control and the service life improvement are facilitated by simplifying the transmission part; through gear, rack transmission, resistance change control is more accurate.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (10)
1. An internal magnetic control flywheel resistance adjustment device, comprising: the device comprises a metal flywheel (1), a metal ring (2), a plastic chassis (3), magnetic shoes (4), a circular motion assembly (5), a driving motor (6) and a transmission structure;
the metal flywheel (1) rotates around the plastic chassis (3);
the metal ring (2) is fixedly connected with the metal flywheel (1);
the driving motor (6) is arranged on the plastic chassis (3);
the magnetic shoe (4) is arranged on the circular motion assembly (5);
the circular motion assembly (5) is rotatably mounted around a rotating shaft;
a worm (9) is arranged at the output end of the driving motor (6), and the transmission structure is connected between the worm (9) and the circular motion assembly (5);
the driving motor (6) drives the circular motion assembly (5) to rotate around a rotating shaft through the transmission structure to drive the magnetic shoe (4) to move, wherein the movement of the magnetic shoe (4) comprises a movement component in a radial direction;
the internal magnetic control flywheel resistance adjusting devices or the internal magnetic control flywheel resistance adjusting devices and other flywheels except the metal flywheel (1) can be connected in a cascade or parallel mode.
2. The internally magnetically controlled flywheel resistance adjustment device according to claim 1, wherein the transmission structure comprises: a reduction gearbox (22) and a connecting rod assembly (7);
the driving motor (6) is connected with the reduction gearbox (22) through the worm (9), and the reduction gearbox (22) drives the connecting rod assembly (7) to drive the circular motion assembly (5).
3. The internal magnetically controlled flywheel resistance adjustment device according to claim 2, characterized in that a turbine (10) is provided on the plastic chassis (3); the worm wheel (10) is connected with the worm (9);
further comprising: a rack (21); the rack (21) is connected with the reduction gearbox (22);
further comprising: a connecting rod assembly (7); the connecting rod assembly (7) is connected with the magnetic shoe (4);
further comprising a shaft (12); the shaft (12) is connected with the plastic chassis (3) through a bearing;
further comprising: a circular motion assembly (5), the circular motion assembly (5) being mounted on the plastic chassis (3).
4. The internally magnetically controlled flywheel resistance adjustment device according to claim 3, further comprising: a flange (11); the plastic chassis (3) is connected with the shaft (12) through a flange plate (11);
the number of the magnetic shoes (4) is multiple;
the circular motion components (5) are multiple;
an output gear (23) is arranged on the reduction gearbox (22); the output gear (23) is connected with the rack (21).
5. The internally magnetically controlled flywheel resistance adjustment device according to claim 2, further comprising: a gear assembly;
the gear assembly drives the circular motion assembly (5);
the gear assembly includes a plurality of intermeshing gears;
the connecting rod assembly (7) comprises: a first connecting rod and a second connecting rod;
the first connecting rod and the second connecting rod are respectively movably connected with the circular motion assembly (5);
the first connecting rod and the second connecting rod are arranged at the same side of the circular motion component (5), or
The first connecting rod and the second connecting rod are respectively arranged on two sides of the circular motion assembly (5);
a limiting block (8) is arranged on the circular motion component (5);
further comprising: a worm (9);
a worm wheel (10) is arranged on the worm (9);
the worm (9) is connected with the driving motor (6).
6. The internally magnetically controlled flywheel resistance adjustment device according to claim 1, further comprising: a PCB board (205);
the transmission structure and the PCB (205) are both arranged on the plastic chassis (3);
the transmission structure includes: the speed reducing assembly and the lead screw assembly;
the driving motor (6), the speed reducing assembly, the screw rod assembly and the circular motion assembly (5) are sequentially connected;
a motor operation protection circuit is arranged on the PCB (205) and is connected with the driving motor (6);
the lead screw component comprises a lead screw (213) and an adjusting nut; the speed reducing assembly comprises a turbine (10) and a worm (9), the worm (9) is circumferentially and fixedly connected with the driving motor (6), and the turbine (10) is circumferentially and fixedly connected with the screw rod (213);
the adjusting nut forms a sliding block (215), and the sliding block (215) is connected to the circular motion assembly (5) through a set pulling rope;
the metal flywheel (1) is provided with a first accommodating groove and a second accommodating groove which are communicated with each other; the driving motor (6) and the lead screw assembly are respectively installed in the first accommodating groove and the second accommodating groove, and the groove wall surface of the second accommodating groove forms a guide surface for the sliding block (215);
a first bearing (214) is arranged between the screw rod (213) and the metal flywheel (1); the metal flywheel (1) is also fixedly provided with a flange plate (11);
the driving motor (6) is fixedly arranged on the plastic chassis (3) through a motor pressing block (209);
the pull cord comprises a steel wire pull cord (206);
the plastic chassis (3) comprises a first cover body (201) and a second cover body (202) which are connected in a fastening way; after the first cover body (201) and the second cover body (202) are assembled, an annular hole is formed at the outer end in the radial direction, and a sliding space of the magnetic shoe (4) is formed inside the annular hole;
a copper sleeve (208) and a steel sleeve (207) are also arranged in the annular hole; or a copper sleeve (208) is also arranged in the annular hole, and a steel sleeve (207) is not arranged; a spring (217) is also arranged between the first cover body (201) and the second cover body (202).
7. The internal magnetically controlled flywheel resistance adjustment device according to claim 6, characterized in that a first bearing (214) is arranged between the screw (213) and the plastic chassis (3);
and a flange plate (11) is also fixedly arranged on the plastic chassis (3).
8. The internal magnetic control flywheel resistance adjustment device according to claim 7, wherein the motor operation protection circuit comprises an MCU control circuit, a motor start-stop circuit, an external interface circuit and a state display circuit;
a control signal output port of the MCU control circuit is connected to a control signal input port of the motor start-stop circuit; the display output port of the MCU control circuit is connected to the display input port of the state display circuit;
an external signal output port of the external interface circuit is respectively connected to a first external signal input port of the MCU control circuit and a second external signal input port of the motor starting circuit;
the MCU control circuit comprises an MCU part; the Up port and the Down port of the MUC form the control signal output port; the LED port contained in the MCU part forms the display output port;
the VCC port and the GND port contained in the MCU form the first external signal input port;
the MCU control circuit also comprises a position sensor RW1, a temperature sensor RT1, a temperature sensor RT2, a capacitor C1 and a resistor R9;
the position sensor RW1 includes a sliding rheostat TAP; the MCU part also comprises an A1 port and a Temp port;
the plurality of external signal output ports comprise a fifth port, a fourth port and a third port;
the VCC port is respectively connected to one end of a capacitor C1, one end of a fixed resistor of a slide rheostat TAP, a fifth port, one end of a temperature sensor RT1 and one end of a temperature sensor RT 2; the a1 port is connected to the slide end and the fourth port of the slide rheostat TAP respectively; the GND port is respectively connected to the other end of the capacitor C1, the other end of the fixed resistor of the sliding rheostat TAP and the third port, and the GND port is grounded; the Temp ports are respectively connected to the other end of the temperature sensor RT1, the other end of the temperature sensor RT2 and one end of the resistor R9; the other end of the resistor R9 is connected to ground.
9. The internally magnetically controlled flywheel resistance adjustment device according to claim 6, further comprising: a status display circuit; the state display circuit comprises a resistor R7, a resistor R8, a light emitting diode LED1 and a light emitting diode LED 2; the plurality of Led ports comprise an Led1 port and an Led2 port;
the Led1 port, the resistor R7 and the anode of the light-emitting diode LED1 are sequentially connected, and the cathode of the light-emitting diode LED1 is grounded; the Led2 port, the resistor R8 and the anode of the light-emitting diode LED2 are sequentially connected, and the cathode of the light-emitting diode LED2 is grounded;
the motor start-stop circuit comprises an optocoupler PC1, an optocoupler PC2, a switching tube Q1, a switching tube Q2, a diode D1, a diode D2, a capacitor C2, a voltage dependent resistor RV1, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5 and a resistor R6; the plurality of external signal output ports also comprise a second port and a first port;
the Up port, the resistor R5 and the light emitter PC1A of the optocoupler PC1 are sequentially connected and then grounded; the Down port, the resistor R6 and the light emitter PC2A of the optocoupler PC2 are sequentially connected and then grounded;
one end of a driving motor (6) is respectively connected to one end of a resistor R3, one end of a piezoresistor RV1, one end of a capacitor C2, one end of a resistor R4 and a second port; the other end of the driving motor (6) is respectively connected to the other end of the piezoresistor RV1, the other end of the capacitor C2, the collector of the switching tube Q1 and the emitter of the switching tube Q1;
the other end of the resistor R3 is connected with one end of a light receiver PC1B of the optocoupler PC1, and the other end of the light receiver PC1B is respectively connected with one end of a resistor R1 and a base electrode of the switch tube Q1; the other end of the resistor R1 is respectively connected to the emitter of the switching tube Q1 and the anode of the diode D1; the cathode of the diode D1 is connected to the anode of the diode D2 and the first port respectively;
the other end of the resistor R4 is connected with one end of a light receiver PC2B of the optocoupler PC2, and the other end of the light receiver PC2B is respectively connected with a base electrode of the switching tube Q2 and one end of the resistor R2; the other end of the resistor R2 is respectively connected to the collector of the switching tube Q2 and the cathode of the diode D2;
the lead screw assembly is arranged in any one of the following modes:
-the screw (213) is connected to the reduction assembly and the adjusting nut is connected to the magnetic shoe (4);
-the adjusting nut is connected to the reduction assembly and the screw (213) is connected to the magnetic shoe (4).
10. A combination comprising one or more of the internally magnetically controlled flywheel drag adjustment arrangements of any of claims 1 to 9, wherein a plurality of the internally magnetically controlled flywheel drag adjustment arrangements are connected in a cascade or parallel arrangement; and/or the internal magnetic control flywheel resistance adjusting device is connected with other flywheels except the metal flywheel (1) in a cascade or parallel mode.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020073961.6U CN212166399U (en) | 2020-01-14 | 2020-01-14 | Inner magnetic control flywheel resistance adjusting device and combination device |
| PCT/CN2020/093901 WO2021057071A1 (en) | 2019-09-27 | 2020-06-02 | Internal-magnetic-control flywheel resistance adjustment device and combined device |
| EP20020433.7A EP3797842A1 (en) | 2019-09-27 | 2020-09-25 | Integrated flywheel magnetic resistance regulating system and combined device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020073961.6U CN212166399U (en) | 2020-01-14 | 2020-01-14 | Inner magnetic control flywheel resistance adjusting device and combination device |
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| Publication Number | Publication Date |
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| CN212166399U true CN212166399U (en) | 2020-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020073961.6U Active CN212166399U (en) | 2019-09-27 | 2020-01-14 | Inner magnetic control flywheel resistance adjusting device and combination device |
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| CN (1) | CN212166399U (en) |
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| CN113975711A (en) * | 2021-10-21 | 2022-01-28 | 宁波道康智能科技有限公司 | Magnetic control device and resistance value calibration method thereof |
| CN114129955A (en) * | 2021-07-12 | 2022-03-04 | 宁波篆和科技有限公司 | Resistance-adjustable rotating wheel, adjusting method thereof and sports equipment |
| WO2022214103A1 (en) * | 2021-04-08 | 2022-10-13 | 宁波道康智能科技有限公司 | Internal magnetic control device, flywheel assembly and fitness equipment |
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| WO2023284757A1 (en) * | 2021-04-08 | 2023-01-19 | 宁波篆和科技有限公司 | Resistance adjustment device, resistance-adjustable rotating wheel and sports apparatus |
| WO2023040773A1 (en) * | 2021-09-19 | 2023-03-23 | 宁波道康智能科技有限公司 | Fitness equipment and internal magnetic control apparatus thereof, magnetic control apparatus and resistance calibration method therefor |
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| WO2022214103A1 (en) * | 2021-04-08 | 2022-10-13 | 宁波道康智能科技有限公司 | Internal magnetic control device, flywheel assembly and fitness equipment |
| WO2023284757A1 (en) * | 2021-04-08 | 2023-01-19 | 宁波篆和科技有限公司 | Resistance adjustment device, resistance-adjustable rotating wheel and sports apparatus |
| CN114129955A (en) * | 2021-07-12 | 2022-03-04 | 宁波篆和科技有限公司 | Resistance-adjustable rotating wheel, adjusting method thereof and sports equipment |
| WO2023284756A1 (en) * | 2021-07-12 | 2023-01-19 | 宁波篆和科技有限公司 | Torsion detection flange, resistance-adjustable rotating wheel and adjusting method therefor, and sports device |
| WO2023040773A1 (en) * | 2021-09-19 | 2023-03-23 | 宁波道康智能科技有限公司 | Fitness equipment and internal magnetic control apparatus thereof, magnetic control apparatus and resistance calibration method therefor |
| CN113975711A (en) * | 2021-10-21 | 2022-01-28 | 宁波道康智能科技有限公司 | Magnetic control device and resistance value calibration method thereof |
| WO2023093882A1 (en) * | 2021-11-28 | 2023-06-01 | 宁波道康智能科技有限公司 | Fitness apparatus, internal magnetic control device and driving module thereof, and assembly method therefor |
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Effective date of registration: 20210425 Address after: 200240 room n4051, 4th floor, building 41, 398 Heqing Road, Minhang District, Shanghai Patentee after: DEERKANG (SHANGHAI) SPORTS ARTICLES Co.,Ltd. Address before: 315400 Yuyao science and technology innovation center, Yeshan Road, Chengdong new district, Yuyao Economic Development Zone, Ningbo City, Zhejiang Province Patentee before: Ningbo Daokang Intelligent Technology Co.,Ltd. |