CN201550010U - Magnetic control flywheel device - Google Patents
Magnetic control flywheel device Download PDFInfo
- Publication number
- CN201550010U CN201550010U CN2009201939609U CN200920193960U CN201550010U CN 201550010 U CN201550010 U CN 201550010U CN 2009201939609 U CN2009201939609 U CN 2009201939609U CN 200920193960 U CN200920193960 U CN 200920193960U CN 201550010 U CN201550010 U CN 201550010U
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- CN
- China
- Prior art keywords
- flywheel
- magnetic control
- motor
- frame group
- magnet frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a magnetic control flywheel device, comprising a bracket body, a flywheel body arranged on the bracket body by a wheel shaft in a shaft manner, and a magnetic control mechanism arranged on the bracket body, wherein the magnetic control mechanism comprises a magnet frame group which is peripherally arranged along the flywheel body and consists of magnets, and an adjusting device; the magnet frame group is movably connected on the bracket body and is provided with an arc surface matched with the flywheel body; a gap is left between the arc surface and the flywheel body; the adjusting device is used for adjusting the size of the gap between the arc surface and the flywheel body; the adjusting device comprises a cam, a reset spring and a motor; the motor is arranged on the bracket body; the cam is arranged on a rotating shaft of the motor by a shaft; one end of the reset spring is arranged on the magnet frame group, and the other end thereof is arranged on the bracket body; and the cam acts on the magnet frame group along the direction opposite to the reset direction of the reset spring. The magnetic control flywheel device has the advantage of high adjusting accuracy.
Description
Technical field
The utility model relates to a kind of magnetic control flywheel gear that uses the rotary damping of magnetic resistance control flywheel, can be the magnetic control flywheel gear of body-building apparatus.
Background technology
In actual life and industrial production, the application of flywheel is very general, under many circumstances, the damping that needs to regulate the flywheel rotation reaches certain purpose, for example: the flywheel gear of exercycle generally need be provided with the flywheel damping coefficient of different brackets according to the requirement of different user and different exercise intensities, prior art generally is by magnet assemblies the magnetic resistance of the magnetic effect generation of flywheel to be realized, comes the relative distance of regulating magnet assembly and flywheel to control the size of magnetic resistance by control system.
The magnetic control flywheel gear that a kind of body-building apparatus arranged comprises as shown in Figure 1; One body-building apparatus stake body 20, one is located at flywheel body 10 on the stake body by 70 on wheel shaft, an and magnetic control mechanism that is arranged on the stake body, this magnetic control mechanism comprises a magnet frame group 50 and the adjusting device be made up of magnet 60 that circumferentially is provided with along this flywheel body, this magnet frame group is movably connected on the stake body, has a cambered surface that cooperates with flywheel body side face, leave the gap between this cambered surface and the flywheel body, this adjusting device is used to regulate the gap length between cambered surface and the flywheel body, and described adjusting device comprises: a stay cord 40 and that is connected to the magnet frame group acts on the back-moving spring 30 of magnet frame group.The defective of this regulative mode is very tangible, and at first, the regulated quantity of this regulative mode is manually controlled by the user fully, and degree of regulation is not high; Secondly, stay cord can draw high phenomenon for a long time under tension, can cause adjusting less than desirable gear in the course of time.
The utility model content
The magnetic control flywheel gear that provides a kind of degree of regulation high is provided the purpose of this utility model.
The purpose of this utility model is achieved in that
A kind of magnetic control flywheel gear, it comprises: a stake body, one is located at flywheel body on the stake body by the wheel shaft axle, an and magnetic control mechanism that is arranged on the stake body, this magnetic control mechanism comprises a magnet frame group and the adjusting device be made up of magnet that circumferentially is provided with along this flywheel body, this magnet frame group is movably connected on the stake body, has a cambered surface that cooperates with flywheel body side face, leave the gap between this cambered surface and the flywheel body, this adjusting device is used to regulate the gap length between cambered surface and the flywheel body, adjusting device comprises: a cam, one back-moving spring, one motor, this motor is installed on the stake body, and this camshaft is located on the rotation axis of motor, and this back-moving spring one end is installed on the magnet frame group, the other end is installed on the stake body, cam along the directive effect opposite with the direction that resets of back-moving spring in the magnet frame group.
The cam gear that utilization is made up of cam, motor and back-moving spring is compared the cable wire governor motion as the adjusting device of magnet frame group, and its degree of regulation is higher, and convenient.
Magnet frame group one end is hinged on the stake body, and the other end is ended by cam top, and like this in cam rotation, the magnet frame group will the flywheel body radial motion relatively along with the rotation of cam, thus the radial distance of regulating magnet frame group and flywheel body.
Above-mentioned stake body is provided with a motor stator, and motor is fixed on this stator, and this motor stator one end and stake body are hinged, and the other end is provided with the motor position micromatic setting.
By this structure, make whole magnetic control mechanism only hinged by motor stator and stake body, therefore, whole magnetic control mechanism can also pass through the integrally-regulated distance with respect to the flywheel body of motor position micromatic setting.
The end that above-mentioned back-moving spring is connected with stake body is selected to be connected on the position of motor stator.
Above-mentioned motor is a stepping motor.
Use stepping motor, can accurate in locating in certain position, with accurate control gear.
The governor motion that above-mentioned motor position adjusting device is made up of screw rod and nut.
Utilize adjusting screw(rod) and adjusting nut to regulate, it is simple in structure, can accurately regulate.
Above-mentioned magnet frame group be provided with cylinder, end on this cylinder on described this cam top.
By magnet frame group cylinder is set, make cam avoid directly pushing up ending on the magnet frame group, because cylindrical diameter is much smaller than the length of magnet frame group, therefore, cam much larger than the adjustment stroke to the magnet frame group, makes the governor motion adjustment stroke bigger to cylindrical adjustment stroke.
Description of drawings
Fig. 1 is a magnetic control flywheel gear structural representation in the prior art;
Fig. 2 is a structural representation of the present utility model;
Fig. 3 is the structural representation of another angle of the utility model.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments:
Fig. 1 is a magnetic control flywheel gear structural representation in the prior art, as can be seen from the figure: the magnetic control flywheel gear comprises in the prior art: a body-building apparatus stake body 20, one is located at flywheel body 10 on the stake body by 70 on wheel shaft, an and magnetic control mechanism that is arranged on the stake body, this magnetic control mechanism comprises a magnet frame group 50 and the adjusting device be made up of magnet 60 that circumferentially is provided with along this flywheel body, this magnet frame group is movably connected on the stake body, has a cambered surface that cooperates with flywheel body side face, leave the gap between this cambered surface and the flywheel body, this adjusting device is used to regulate the gap length between cambered surface and the flywheel body, and described adjusting device comprises: a stay cord 40 and that is connected to the magnet frame group acts on the back-moving spring 30 of magnet frame group.The defective of this regulative mode is very tangible, and at first, the regulated quantity of this regulative mode is manually controlled by the user fully, and degree of regulation is not high; Secondly, stay cord can draw high phenomenon for a long time under tension, can cause adjusting less than desirable gear in the course of time.
As can be seen, the utility model comprises that flywheel mechanism and magnetic control mechanism two large divisions form from Fig. 2 and Fig. 3, and wherein flywheel mechanism comprises stake body 12 and flywheel body 1; Magnetic control mechanism comprises magnet frame group 3 and governor motion, and governor motion is by cam 4, stepping motor 5, and back-moving spring 6, motor stator 8, base 9, adjusting screw(rod) 7 and adjusting nut 11 are formed.
Wherein the operation principle of magnetic control mechanism is that magnetic force by magnet frame group 3 applies magnetic resistance to flywheel body 1, the linear velocity of utilizing the retardation of magnetic resistance to slow down the flywheel body, certainly, obtain identical linear velocity and just need apply bigger power, simultaneously, the distance of utilizing governor motion to come regulating magnet frame group 3 relative flywheel bodies 1, distance is far away more, magnetic resistance is just more little, and it is just less relatively to obtain the identical needed power of linear velocity.
Stepping motor 5 is fixed on the base 9, and 4 on cam is located on the rotation axis of stepping motor 5, and stepping motor 5 drives cam 4 and rotates, and magnet frame group 3 is provided with magnet frame group cylinder 13, and end on magnet frame group cylinder 13 on cam 4 tops.
Magnetic control mechanism also comprises a motor stator 8, and these motor stator 8 one ends are fixed on the stepping motor 5, and the other end is hinged on the jointed shaft 2 that is created on the stake body 12.Identical, magnet frame group 3 is divided into stiff end and free end, and stiff end is hinged on the jointed shaft 2, and magnet frame group cylinder 13 is located at free end.
Also be provided with back-moving spring 6 between the free end of magnet frame group 3 and magnetron configuration, these back-moving spring 6 one ends are connected the free end of magnet frame group 3, and the other end is connected on the base 9.
Distance for integrally-regulated magnetic control mechanism and flywheel mechanism, on base 9, also be provided with adjusting screw(rod) 7 and adjusting nut 11, because whole magnetic control mechanism just is hinged on the jointed shaft 2, therefore at a end adjusting screw(rod) 7 and adjusting nut 11 are set away from jointed shaft, just can utilize the length of adjusting screw(rod) 7 that whole magnetic control mechanism is propped up certain height, and can utilize adjusting nut 11 to regulate the height of propping up, with the distance of this integrally-regulated magnetic control mechanism and flywheel mechanism, improve the adjustment stroke of governor motion.The most important thing is when producing high-grade exercycle product, can control at first with this (or finally) damping, and reach ClassA specified standard in the exercycle product.
The foregoing description only is a better embodiment of the present utility model; but execution mode of the present utility model not merely is restricted to the described embodiments; other any do not deviate from change that the utility model innovative point done, substitutes, combination or simplify; all should be considered as the substitute mode of equivalence, be included within the protection range of the present utility model.
Claims (6)
1. magnetic control flywheel gear; It comprises: a stake body; One is located at flywheel body on the stake body by the wheel shaft axle; An and magnetic control mechanism that is arranged on the stake body; This magnetic control mechanism comprises the magnet frame group and the adjusting device that are made up of magnet that circumferentially arranges along this flywheel body; This magnet frame group is movably connected on the stake body; Has a cambered surface that cooperates with flywheel body side face; Leave the gap between this cambered surface and the flywheel body; This adjusting device is used for regulating the gap length between cambered surface and the flywheel body
It is characterized in that: described adjusting device comprises: a cam, one back-moving spring, one motor, this motor is installed on the stake body, this camshaft is located on the rotation axis of motor, this back-moving spring one end is installed on the magnet frame group, and the other end is installed on the stake body, cam along the directive effect opposite with the direction that resets of back-moving spring in the magnet frame group.
2. a kind of magnetic control flywheel gear according to claim 1 is characterized in that: described stake body is provided with a motor stator, and motor is fixed on this stator, and this motor stator one end and stake body are hinged, and the other end is provided with the motor position micromatic setting.
3. a kind of magnetic control flywheel gear according to claim 2 is characterized in that: the end that back-moving spring is connected with stake body is selected to be connected on the position of motor stator.
4. a kind of magnetic control flywheel gear according to claim 1, it is characterized in that: described motor is a stepping motor.
5. a kind of magnetic control flywheel gear according to claim 3 is characterized in that: the governor motion that described motor position adjusting device is made up of screw rod and nut.
6. according to each described a kind of magnetic control flywheel gear of claim 2-6, it is characterized in that: described magnet frame group be provided with cylinder, end on this cylinder on described this cam top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201939609U CN201550010U (en) | 2009-09-01 | 2009-09-01 | Magnetic control flywheel device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201939609U CN201550010U (en) | 2009-09-01 | 2009-09-01 | Magnetic control flywheel device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201550010U true CN201550010U (en) | 2010-08-11 |
Family
ID=42605193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201939609U Expired - Fee Related CN201550010U (en) | 2009-09-01 | 2009-09-01 | Magnetic control flywheel device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201550010U (en) |
-
2009
- 2009-09-01 CN CN2009201939609U patent/CN201550010U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100811 Termination date: 20130901 |