CN114569933B - Magnetic control resistance adjusting device of spinning - Google Patents
Magnetic control resistance adjusting device of spinning Download PDFInfo
- Publication number
- CN114569933B CN114569933B CN202210195230.2A CN202210195230A CN114569933B CN 114569933 B CN114569933 B CN 114569933B CN 202210195230 A CN202210195230 A CN 202210195230A CN 114569933 B CN114569933 B CN 114569933B
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- Prior art keywords
- magnetic control
- disk
- flywheel
- annular
- disc
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Classifications
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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
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
Abstract
The invention discloses a magnetic control resistance adjusting device of a spinning, which comprises a magnetic control flywheel for adjusting resistance, wherein the magnetic control flywheel comprises a metal flywheel and a magnetic control disk, the magnetic control disk and the metal flywheel form a main resistance adjusting mechanism, a magnetic control disk driving mechanism for driving the magnetic control disk to axially move along a central shaft and a supporting frame for supporting the central shaft so as to bear the magnetic control flywheel and the magnetic control disk driving mechanism. According to the invention, the conductors are arranged on the cambered surfaces at both sides of the magnet ring, and the radial swing of the magnet ring is changed into the axial movement, so that the utilization rate of magnetic force lines is greatly improved, the magnetic field efficiency is improved, the resistance can be stably regulated, the resistance is linearly changed, the knee joint of an exerciser is protected, and the protection mechanism is added, so that the machine damage or the damage to the exerciser caused by the failure of the control system can be prevented.
Description
Technical Field
The invention belongs to the technical field of body building and sports equipment, and particularly relates to a magnetic control resistance adjusting device of a spinning.
Background
Along with the improvement of living standard, people pay more attention to physical health, so that a lot of body-building sports equipment such as spinning, elliptical machines, rowing machines and the like are induced, and damping devices are usually required to be arranged on the sports equipment to adapt to human body exercise. The traditional damping device is mostly a magnetic control flywheel resistance adjusting device, and according to the working principle, the resistance adjustment is usually realized by adjusting the distance between the magnetic shoe and the conductor on the flywheel through a complex adjusting mechanism. In the prior patent literature or other related literature, the adjustment of the magnetic shoe is basically swing type adjustment, namely one end of the magnetic shoe is hinged and fixed, and the other end of the magnetic shoe swings around a twisting shaft by a certain amplitude, so that the distance between the magnetic shoe and a conductor on a flywheel is adjusted.
The traditional magnetic control flywheel resistance adjusting device has the advantages that as the magnetic shoe needs to be adjusted, the distance between the magnetic shoe and a conductor on the flywheel is larger, so that a part of magnetic field cannot work to influence the resistance efficiency, meanwhile, the structure has larger limitation on the resistance adjusting range, and the structure can only be adjusted in a certain range and cannot adapt to the large-range adjustment requirement of people who cannot fit. Secondly, the traditional magnetic shoe adjusting mechanism is complex, the output of the adjusting mechanism is not very stable, and a responding protecting mechanism is not provided, so that when some devices are out of control, the contact between the magnetic shoe and a conductor on a flywheel is easily caused, and the conductor is damaged.
Disclosure of Invention
The invention aims to solve the technical problem of providing the magnetic control resistance adjusting device of the spinning with the safety protection mechanism, which has the advantages of large resistance adjusting range and high magnetic field efficiency.
In order to solve the problems, the invention adopts the following technical scheme:
the utility model provides a spinning magnetic control resistance adjusting device, includes a magnetic control flywheel, the magnetic control flywheel includes a metal flywheel and a magnetic control disk, the metal flywheel comprises flywheel disk and the first annular cylinder seat and the second annular cylinder seat that are located flywheel disk one side, wherein fixed first annular metal section of thick bamboo on the inner wall of first annular cylinder seat, fixed second annular metal section of thick bamboo on the outer wall of second annular cylinder seat, be the ring channel between first annular metal section of thick bamboo and the second annular metal section of thick bamboo, the magnetic control disk comprises disk body and the magnet ring that is located disk body one side, the metal flywheel passes through the center pin drive, magnetic control disk and center pin axial swing joint, the magnet ring is in the ring channel and along with the axial movement of magnetic control disk and move in ring channel depth direction;
the magnetic control disc driving mechanism is used for driving the magnetic control disc to axially move along the central shaft and comprises a driving motor, a screw rod driven by the driving motor and the magnetic control disc driven by the screw rod, wherein a disc body of the magnetic control disc is connected with the screw rod, the driving motor drives the screw rod to rotate, and the screw rod drives the magnetic control disc to move along the central shaft;
and the supporting frame is used for supporting the central shaft and further bearing the magnetic control flywheel and the magnetic control disk driving mechanism.
Further, the magnetic control disk driving mechanism further comprises a gear box, the gear box is fixed on the supporting frame, the gear box is composed of a shell, a driving gear, an intermediate gear and a driven gear, the driving gear is driven by the driving motor, the driving gear drives the driven gear through the intermediate gear, the driven gear drives the screw rod, and then the magnetic control disk is driven.
Furthermore, the driven gears are arranged in three, the driven gears are arranged in a regular triangle with the intermediate gears as the center, the corresponding lead screws are also arranged in three, and the three lead screws are connected with the disk body of the magnetic control disk and are distributed in a regular triangle with the center of the disk body of the magnetic control disk.
Preferably, the driving motor is a stepping motor or a servo motor.
Further, the magnet ring is composed of a plurality of arc magnets, and the intervals among the arc magnets are uniformly fixed on the tray body.
Preferably, the gaps between the arc-shaped surfaces on two sides of the arc-shaped magnet and the first annular metal cylinder and the second annular metal cylinder are respectively 0.5-2mm.
Further, the magnetic control disc comprises a safety protection mechanism, the safety protection mechanism mainly comprises two limit switches, the limit switches are fixed on the support frame and are respectively positioned on two sides below the disc body of the magnetic control disc, and when the magnetic control disc moves along the central shaft, the movement range of the magnetic control disc is limited.
Preferably, the limit switch is any one of a travel switch, a proximity switch and a photoelectric switch.
Preferably, the first annular metal cylinder and the second annular metal cylinder are made of copper.
The beneficial effects of adopting above-mentioned technical scheme to produce lie in:
according to the invention, the conductors are arranged on the cambered surfaces at both sides of the magnet ring, and the radial swing of the magnet ring is changed into the axial movement, so that the utilization rate of magnetic force lines is greatly improved, the magnetic field efficiency is improved, the resistance can be stably regulated, the resistance is linearly changed, the knee joint of an exerciser is protected, and the protection mechanism is added, so that the machine damage or the damage to the exerciser caused by the failure of the control system can be prevented.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly described below to form a part of the present invention, and the exemplary embodiments of the present invention and the descriptions thereof are used to explain the present invention, but do not constitute undue limitations on the present invention.
The drawings are as follows:
FIG. 1 is a schematic cross-sectional view of a magnetic control resistance adjusting device of the present invention in a maximum resistance state;
FIG. 2 is a schematic diagram of the front view of the metal flywheel of the present invention;
FIG. 3 is a schematic diagram of the front view of the magnetic control disk of the present invention;
FIG. 4 is a schematic diagram of the main cross-sectional structure of the gear box of the present invention;
FIG. 5 is a schematic cross-sectional view of the magnetic control resistance adjusting device of the present invention in a minimum resistance state;
wherein: 1. the device comprises a support frame, 2, a central shaft, 3, a gear box, 4, a magnetic control disc, 5, a metal flywheel, 6, limit switches, 7, a driving motor, 31, a driving gear, 32, an intermediate gear, 331, a first driven gear, 332, a second driven gear, 333, a third driven gear, 34, a bearing, 35, a shell, 41, a magnet ring, 42, a disc body, 441, a magnet, 51, a first annular cylinder seat, 52, a first annular metal cylinder, 53, a second annular metal cylinder, 54, a second annular cylinder seat, 55, an annular groove, 56, a flywheel disc, 81, a first lead screw, 82, a second lead screw, 83 and a third lead screw.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to specific embodiments of the present invention and corresponding drawings. It is apparent that the described embodiments of the invention are only some, but not all embodiments of the invention. Accordingly, the following detailed description of the embodiments is not intended to limit the scope of the invention, but is to be construed as providing those skilled in the art with the benefit of the teachings presented herein; all other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to fall within the scope of the invention.
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "center", "lateral", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., are based on those shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention; unless explicitly defined otherwise.
The terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be the communication between the two elements; the specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art in connection with practical applications according to specific embodiments.
The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise; the meaning of "plurality" is two or more.
The invention relates to a device for providing resistance for a spinning in the spinning, in particular to a magnetic control resistance adjusting device which is not only suitable for the spinning, but also can be used for other manually-driven car products such as mountain climbing cars and the like.
As shown in fig. 1 and 2, the main structure of the present invention comprises:
the magnetic control flywheel comprises a metal flywheel and a magnetic control disk, wherein the metal flywheel consists of a flywheel disk, a first annular cylinder seat and a second annular cylinder seat which are positioned on one side surface of the flywheel disk, the first annular cylinder seat and the second annular cylinder seat are integrally formed with the flywheel disk, the first annular cylinder seat, the second annular cylinder seat and the flywheel disk are concentric, a first annular metal cylinder is fixed on the inner cylinder wall of the first annular cylinder seat, a second annular metal cylinder is fixed on the outer cylinder wall of the second annular cylinder seat, an annular groove is formed between the first annular metal cylinder and the second annular metal cylinder, the magnetic control disk consists of a disk body and a magnet ring positioned on one side of the disk body, the metal flywheel is driven by a central shaft and is fixedly connected with the central shaft, the magnetic control disk is axially movably connected with the central shaft, and the magnet ring of the magnetic control disk is positioned in the annular groove and moves in the depth direction of the annular groove along with the axial movement of the magnetic control disk; the central line of the magnetic control disc coincides with the central line of the central shaft, and the magnetic control disc is matched with the metal flywheel to form a magnetic control flywheel;
the magnetic control disc driving mechanism is used for driving the magnetic control disc to axially move along the central shaft and comprises a driving motor, a screw rod driven by the driving motor and the magnetic control disc driven by the screw rod, wherein a disc body of the magnetic control disc is connected with the screw rod, the driving motor drives the screw rod to rotate, and the screw rod drives the magnetic control disc to move along the central shaft; in the invention, the position of the screw rod is relatively fixed to the central shaft, so that the position of the magnetic control disc relative to the metal flywheel is fixed in the radial direction of the central shaft;
and the supporting frame is used for supporting the central shaft and further bearing the magnetic control flywheel and the magnetic control disk driving mechanism.
Based on the above mechanism, the metal flywheel is driven to rotate by the central shaft, and the first annular metal cylinder and the second annular metal cylinder on the metal flywheel rotate relative to the magnet ring, so that magnetic force lines are cut, resistance is formed, and the resistance is related to the magnetic field intensity, the lengths of conductors (the first annular metal cylinder and the second annular metal cylinder) positioned in the magnetic field and the magnetic field change rate. Therefore, the resistance of the invention is related to the depth of the magnet ring penetrating into the annular groove, and is in a direct proportion relation, and as such, the resistance can be regulated and controlled by adjusting the position of the magnetic control disc on the central shaft. Because the two side surfaces of the magnet ring are provided with the conductors (namely the first annular metal cylinder and the second annular metal), compared with the traditional resistance device, the resistance value is doubled, so that the resistance can be better regulated and controlled, and the size and the volume of the device can be correspondingly reduced according to the resistance. Meanwhile, the depth of the magnet ring in the annular groove is adjusted, so that uniform adjustment can be realized, and the resistance can be smoothly and steplessly adjusted. For the present invention, the state of resistance adjustment is shown in fig. 1 and 5, respectively, wherein fig. 1 is the maximum resistance state and fig. 5 is the minimum resistance state.
For the invention, in order to enable the magnetic control disk to stably and uniformly move when moving along the central axis relative to the metal flywheel, the magnetic control disk driving mechanism is also provided with a gear box, as shown in fig. 4, the gear box is fixed on the support frame, the gear box consists of a shell, a driving gear, an intermediate gear and a driven gear, wherein the driving gear is driven by a driving motor, the driving gear drives the driven gear through the intermediate gear, and the driven gear drives the lead screw to further drive the magnetic control disk. In order to make the atress even when magnetic control disk removes, driven gear sets up threely, is first driven gear respectively, and the second driven gear, third driven gear, and three driven gears set up according to regular triangle with the intermediate gear as the center distribution, all receive the intermediate gear drive and follow same direction rotation, therefore its corresponding lead screw also sets up threely, is first lead screw respectively, the second lead screw, the third lead screw, and the disk body connection of three lead screws and magnetic control disk just takes the disk body center of magnetic control disk to be regular triangle and distributes. Therefore, when the three driven gears rotate, the three lead screws are driven to rotate, so that the magnetic control disc is uniformly and stably stressed.
As a preferable technical scheme of the invention, the driving motor can adopt a stepping motor or a servo motor, so that the control is more accurate, the moving distance unit of the magnetic control disc can be controlled at a micron level, and the resistance adjustment is more uniform and stable.
As a preferred embodiment of the present invention, the colored magnet ring of the present invention is composed of a plurality of arc magnets, and as shown in FIG. 3, the intervals between the plurality of arc magnets are uniformly fixed on the tray body. Therefore, the utilization rate of the magnet can be improved, and the dosage of the magnet can be reduced.
In order to ensure that magnetic force lines of the magnet can all act, as a preferable scheme of the invention, gaps between the arc-shaped surfaces on two sides of the arc-shaped magnet and the first annular metal cylinder and the second annular metal cylinder are respectively 0.5-2mm.
In order to prevent the failure of the control system (electric part), the invention also provides a safety protection mechanism which is used for protecting the driving motor and the magnetic control disc and preventing the driving motor from burning and the magnetic control disc from being separated from control or deformation and damage, and mainly comprises two limit switches which are fixed on the support frame and respectively positioned at two sides below the disc body of the magnetic control disc, and when the magnetic control disc moves along the central shaft, the movement range of the magnetic control disc is limited.
As a preferred embodiment of the present invention, the limit switch is any one of a travel switch, a proximity switch and a photoelectric switch. Of course, the limit switch can also be other sensors or switches which can play a role in limit protection.
The foregoing describes in detail a magnetic control resistance adjusting device for a spinning in the embodiments of the present application, and specific examples are applied to illustrate the principles and embodiments of the present application, where the foregoing examples are only used to help understand the method and core ideas of the present application; meanwhile, as those skilled in the art will have modifications in the specific embodiments and application scope in accordance with the ideas of the present application, the present description should not be construed as limiting the present application in view of the above.
Claims (6)
1. A magnetic control resistance adjusting device of a spinning is characterized in that: the magnetic control flywheel comprises a metal flywheel and a magnetic control disk, wherein the metal flywheel comprises a flywheel disk, a first annular cylinder seat and a second annular cylinder seat which are positioned on one side surface of the flywheel disk, a first annular metal cylinder is fixed on the inner cylinder wall of the first annular cylinder seat, a second annular metal cylinder is fixed on the outer cylinder wall of the second annular cylinder seat, an annular groove is formed between the first annular metal cylinder and the second annular metal cylinder, the magnetic control disk consists of a disk body and a magnet ring positioned on one side of the disk body, the metal flywheel is driven by a central shaft, the magnetic control disk is axially movably connected with the central shaft, and the magnet ring is positioned in the annular groove and moves in the depth direction of the annular groove along with the axial movement of the magnetic control disk;
the magnetic control disc driving mechanism is used for driving the magnetic control disc to axially move along the central shaft and comprises a driving motor, a screw rod driven by the driving motor and the magnetic control disc driven by the screw rod, wherein a disc body of the magnetic control disc is connected with the screw rod, the driving motor drives the screw rod to rotate, and the screw rod drives the magnetic control disc to move along the central shaft;
the support frame is used for supporting the central shaft and further carrying the magnetic control flywheel and the magnetic control disk driving mechanism;
the magnetic control disk driving mechanism further comprises a gear box, the gear box is fixed on the supporting frame, the gear box is composed of a shell and a driving gear, an intermediate gear and a driven gear, the driving gear is driven by a driving motor, the driving gear drives the driven gear through the intermediate gear, and the driven gear drives a screw rod to further drive the magnetic control disk;
the driven gears are arranged in three, the driven gears are arranged in regular triangle with the middle gear as the center, the corresponding lead screws are also arranged in three, and the three lead screws are connected with the disk body of the magnetic control disk and are distributed in regular triangle with the center of the disk body of the magnetic control disk;
the driving motor is a stepping motor or a servo motor.
2. The spinning magnetic control resistance adjusting device according to claim 1, wherein: the magnet ring is composed of a plurality of arc magnets, and the intervals among the arc magnets are uniformly fixed on the tray body.
3. The spinning magnetic control resistance adjusting device according to claim 2, wherein: the gaps between the arc surfaces on the two sides of the arc magnet and the first annular metal cylinder and the second annular metal cylinder are respectively 0.5-2mm.
4. The spinning magnetic control resistance adjusting device according to claim 1, wherein: the magnetic control disc is characterized by further comprising a safety protection mechanism, wherein the safety protection mechanism mainly comprises two limit switches, the limit switches are fixed on the support frame and are respectively positioned on two sides below the disc body of the magnetic control disc, and when the magnetic control disc moves along the central shaft, the movement range of the magnetic control disc is limited.
5. The spinning magnetic control resistance adjusting device according to claim 4, wherein: the limit switch is any one of a travel switch, a proximity switch and a photoelectric switch.
6. The spinning magnetic control resistance adjusting device according to claim 1, wherein: the first annular metal cylinder and the second annular metal cylinder are made of copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210195230.2A CN114569933B (en) | 2022-02-28 | 2022-02-28 | Magnetic control resistance adjusting device of spinning |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210195230.2A CN114569933B (en) | 2022-02-28 | 2022-02-28 | Magnetic control resistance adjusting device of spinning |
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| Publication Number | Publication Date |
|---|---|
| CN114569933A CN114569933A (en) | 2022-06-03 |
| CN114569933B true CN114569933B (en) | 2023-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210195230.2A Active CN114569933B (en) | 2022-02-28 | 2022-02-28 | Magnetic control resistance adjusting device of spinning |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116099155B (en) * | 2023-01-05 | 2023-10-31 | 东台祺电电子科技有限公司 | Magnetic control brake |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2566892Y (en) * | 2002-08-23 | 2003-08-20 | 惠阳国威运动器材有限公司 | Magnetic control resisting apparatus |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6234938B1 (en) * | 1999-06-03 | 2001-05-22 | Lai-Hao Chen | Magnetic device for use in exercise bicycle or other exercise machines |
| US6626804B2 (en) * | 2001-06-15 | 2003-09-30 | Leao Wang | Work-indicating unit of a magnetic control exercise apparatus |
| CN210433896U (en) * | 2019-06-17 | 2020-05-01 | 德尔康健身器材(宁波)有限公司 | Flywheel resistance adjusting mechanism |
| CN211585054U (en) * | 2019-09-27 | 2020-09-29 | 宁波道康智能科技有限公司 | Internal magnetic control flywheel resistance adjusting device |
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- 2022-02-28 CN CN202210195230.2A patent/CN114569933B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2566892Y (en) * | 2002-08-23 | 2003-08-20 | 惠阳国威运动器材有限公司 | Magnetic control resisting apparatus |
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