CN104138652A - Magnetic twisting force source posture leg extension trainer - Google Patents
Magnetic twisting force source posture leg extension trainer Download PDFInfo
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- CN104138652A CN104138652A CN201410333059.2A CN201410333059A CN104138652A CN 104138652 A CN104138652 A CN 104138652A CN 201410333059 A CN201410333059 A CN 201410333059A CN 104138652 A CN104138652 A CN 104138652A
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- magnetic
- sitting posture
- training aids
- leg extensions
- posture leg
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Abstract
The invention discloses a magnetic twisting force source posture leg extension trainer, and belongs to the technical field of bodybuilding equipment. The trainer comprises a support and foot supporting idler wheels, wherein a seat is fixed inside the support. The trainer further comprises a magnetic twisting force device, wherein the magnetic twisting force device is fixed on the bottom surface of the support, and is connected with one end of each of the foot supporting idler wheels; the magnetic twisting force device comprises a base plate, a magnetic force twister and a bearing seat are respectively mounted on the base plate, driven chain wheels are mounted on the two sides of the middle part of the magnetic force twister, driving chain wheels are mounted on the two sides of the middle part of the bearing seat, the driven chain wheels are connected with the driving chain wheels through transmission chains, the driving chain wheels are connected with the foot supporting idler wheels through main shafts, the main shafts are mounted in the middle parts of the driving chain wheels, and the main shafts are coaxially matched with the driving chain wheels. According to the device, the magnetic force twister is combined with the posture leg extension trainer, and the magnetic force twister serves as a counterweight source of the trainer, so that a sportsman cannot feel great fluctuation of resistance force, and the bodybuilding effect is effectively guaranteed.
Description
Technical field
The invention belongs to body-building apparatus technical field, be specifically related to a kind of magnetic torsion source sitting posture leg extensions training aids.
Background technology
Sitting posture leg extensions training aids is a kind of body-building apparatus, mainly tempers the positive group of thigh flesh, and this training aids can improve the sensation of knee joint strength and leg muscle.In existing sitting posture leg extensions training aids, drag counterweight source that roller is connected to adopt the mode of traditional superposing type counterweight, this mode to need manually increase and reduce weight with pin,, also can there is potential safety hazard in the very trouble that operates simultaneously.The volume and weight that simultaneously also can increase training aids, has increased production cost greatly.
Adopt magnetic powder brake and transmission mechanism as sources of resistance, this is often application in industrial production.But this mode is not used in body-building apparatus field now, particularly on sitting posture leg extensions training aids: its main cause is that sitting posture leg extensions training aids many places are in low speed and intermittent exercise, directly be used in sporter on sitting posture leg extensions training aids and can feel that the fluctuation of resistance is very large, affect body-building effect.
Summary of the invention
The object of this invention is to provide and a kind of magnetic is turned round to the sitting posture leg extensions training aids that device masterpiece is counterweight source.
The technical solution adopted in the present invention is:
A kind of magnetic torsion source sitting posture leg extensions training aids, comprise that support and pin drag roller, the fixing seat in inner side of described support, also comprises magnetic torque force device, described magnetic torque force device is fixed on the bottom surface of described support, and described magnetic torque force device drags roller one end to be connected with described pin;
Described magnetic torque force device comprises base plate, magnetic power twister and bearing block are installed respectively on described base plate, driven sprocket is installed in the both sides, middle part of described magnetic power twister, drive sprocket is installed in the both sides, middle part of described bearing block, described driven sprocket is connected by driving chain with described drive sprocket, described drive sprocket drags roller to be connected by main shaft with described pin, and described main shaft is arranged on described drive sprocket middle part, described main shaft and described drive sprocket coaxial cooperation.
Preferably, described main shaft is splined shaft, on described splined shaft, is set with spline housing.
Further, the top of described support is provided with solar panels.
Further, described magnetic power twister and described bearing block by floor installation on described base plate.
Further, described base is fixed on described base plate by set bolt.
Further, described magnetic power twister comprises coil, yoke, rotor, bearing and hollow shaft, described yoke internal upper part has coil groove, described coil is arranged in described coil groove, in described yoke, middle part has interstitial hole, and described rotor is arranged in described interstitial hole, fills magnetic in the mating surface of described rotor and described yoke, described bearing is connected with described hollow shaft coaxial cooperation, and described hollow shaft is connected with described driven sprocket.
Preferably, the mating surface of described rotor and described yoke is V-shape.
Further in, on the mating surface of described rotor, be evenly distributed with annular groove.
Preferably, described coil groove is annular.
Preferably, the spacing between described rotor and the mating surface of described yoke is 0.6mm～0.9mm.
The present invention has the following advantages:
This apparatus structure is simple, and volume and weight reduces greatly, so just greatly reduces production cost low; This device combines magnetic power twister and sitting posture leg extensions training aids, the counterweight source using magnetic power twister as training aids, and sporter just can not feel that the fluctuation of resistance is large like this, effectively ensures body-building effect.
Brief description of the drawings
The structural representation of a kind of magnetic torsion source sitting posture leg extensions training aids that Fig. 1 provides for the embodiment of the present invention;
The structural representation of magnetic torque force device in a kind of magnetic torsion source sitting posture leg extensions training aids that Fig. 2 provides for the embodiment of the present invention;
The structural representation of magnetic power twister in a kind of magnetic torsion source sitting posture leg extensions training aids that Fig. 3 provides for the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with drawings and embodiments, the present invention is further detailed explanation.
With reference to Fig. 1, a kind of magnetic torsion source sitting posture leg extensions training aids that the present embodiment provides, comprises that support 9, pin drag roller 10 and magnetic torque force device 12.The fixing seat 11 in inner side of support 9, magnetic torque force device 12 is fixed on the bottom surface of support 9, and magnetic torque force device 12 drags roller 10 one end to be connected with pin.The top of support 9 is provided with solar panels 15, and solar panels 15 are used for to the sources of resistance of whole device and output equipment (display) power supply.
With reference to Fig. 2, magnetic torque force device 12 comprises base plate 13.Magnetic power twister 7 and bearing block 1 are arranged on respectively on base plate 13 by base 8, and are fixed by set bolt 14.Driven sprocket 6 is installed in the both sides, middle part of magnetic power twister 7, and drive sprocket 2 is installed in the both sides, middle part of bearing block 1, and driven sprocket 6 is connected by driving chain 5 with drive sprocket 2.Drive sprocket 2 drags roller 10 to be connected by main shaft with pin, and main shaft is arranged on drive sprocket 2 both sides, middle part, main shaft and drive sprocket 10 coaxial cooperation, and main shaft is splined shaft 4, on splined shaft 4, is set with spline housing.
With reference to Fig. 3, magnetic power twister 7 comprises coil 16, yoke 17, rotor 18, bearing 19 and hollow shaft 20.Yoke 17 internal upper parts have toroid ring recess 21, and coil 16 is arranged in coil groove 21.The interior middle part of yoke 17 has interstitial hole 22, and rotor 18 is arranged in interstitial hole 22.In the mating surface of rotor 18 and yoke 17, fill magnetic 23, rotor 18 is V-shape with the mating surface of yoke 17, and the spacing between rotor 18 and the mating surface of yoke 17 is 0.6mm～0.9mm.V-shape mating surface (working face) and be controlled at the distance of 0.6mm～0.9mm, instantaneous lifting moment of torsion at the volley, and can be in low speed and intermittent movement efficient operation.On the mating surface of rotor 18, be evenly distributed with annular groove 24, groove 24 can be reserved unnecessary magnetic 23.Bearing 19 is connected with hollow shaft 20 coaxial cooperation, and hollow shaft 20 is connected with driven sprocket 6.
In the time that training aids is worked, hollow shaft 20 is connected with driven sprocket 6, and driven sprocket 6 is connected with drive sprocket 2 by driving chain 5, and drive sprocket 2 drags roller 10 to be connected with pin, and hollow shaft 20 rotor drivens 18 and yoke 17 are taken exercises like this.Coil 16 produces magnetic field, and the magnetic 23 between rotor 18 and yoke 17 mating surfaces produces magnetic chain, will produce like this frictional force.Coil 16 is controlled the power of magnetic chain.
This apparatus structure is simple, and volume and weight reduces greatly, so just greatly reduces production cost low; This device combines magnetic power twister 7 and sitting posture leg extensions training aids, the counterweight source using magnetic power twister 7 as training aids, and sporter just can not feel that the fluctuation of resistance is large like this, effectively ensures body-building effect.
It should be noted last that, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not departing from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (10)
1. a magnetic torsion source sitting posture leg extensions training aids, comprise that support and pin drag roller, the fixing seat in inner side of described support, it is characterized in that, also comprise magnetic torque force device, described magnetic torque force device is fixed on the bottom surface of described support, and described magnetic torque force device drags roller one end to be connected with described pin;
Described magnetic torque force device comprises base plate, magnetic power twister and bearing block are installed respectively on described base plate, driven sprocket is installed in the both sides, middle part of described magnetic power twister, drive sprocket is installed in the both sides, middle part of described bearing block, described driven sprocket is connected by driving chain with described drive sprocket, described drive sprocket drags roller to be connected by main shaft with described pin, and described main shaft is arranged on described drive sprocket middle part both sides, described main shaft and described drive sprocket coaxial cooperation.
2. magnetic torsion according to claim 1 source sitting posture leg extensions training aids, is characterized in that, described main shaft is splined shaft, on described splined shaft, is set with spline housing.
3. magnetic torsion according to claim 1 source sitting posture leg extensions training aids, is characterized in that, the top of described support is provided with solar panels.
4. magnetic torsion according to claim 1 source sitting posture leg extensions training aids, is characterized in that, described magnetic power twister and described bearing block by floor installation on described base plate.
5. magnetic torsion according to claim 4 source sitting posture leg extensions training aids, is characterized in that, described base is fixed on described base plate by set bolt.
6. magnetic torsion according to claim 1 source sitting posture leg extensions training aids, it is characterized in that, described magnetic power twister comprises coil, yoke, rotor, bearing, hollow shaft and shell, described yoke internal upper part has coil groove, described coil is arranged in described coil groove, in described yoke, middle part has interstitial hole, described rotor is arranged in described interstitial hole, in the mating surface of described rotor and described yoke, fill magnetic, described bearing is connected with described hollow shaft coaxial cooperation, described hollow shaft is connected with described driven sprocket, described shell surrounds whole magnetic power twister.
7. magnetic torsion according to claim 6 source sitting posture leg extensions training aids, is characterized in that, the mating surface of described rotor and described yoke is V-shape.
8. magnetic torsion according to claim 7 source sitting posture leg extensions training aids, is characterized in that, on the mating surface of described rotor, is evenly distributed with annular groove.
9. magnetic torsion according to claim 6 source sitting posture leg extensions training aids, is characterized in that, described coil groove is annular.
10. magnetic torsion according to claim 6 source sitting posture leg extensions training aids, is characterized in that, the spacing between described rotor and the mating surface of described yoke is 0.6mm～0.9mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410333059.2A CN104138652B (en) | 2014-07-14 | 2014-07-14 | A kind of magnetic torsion source sitting posture leg extensions training aids |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410333059.2A CN104138652B (en) | 2014-07-14 | 2014-07-14 | A kind of magnetic torsion source sitting posture leg extensions training aids |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104138652A true CN104138652A (en) | 2014-11-12 |
| CN104138652B CN104138652B (en) | 2016-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410333059.2A Expired - Fee Related CN104138652B (en) | 2014-07-14 | 2014-07-14 | A kind of magnetic torsion source sitting posture leg extensions training aids |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10953266B2 (en) | 2016-06-21 | 2021-03-23 | Carlos Alberto LEOPOLDO DA CAMARA FILHO | System for performing physical exercises at a constant speed of a movement |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2145049Y (en) * | 1993-01-21 | 1993-11-03 | 丁慧生 | Electromagnetic controlled equal-move training apparatus |
| CN2681776Y (en) * | 2004-02-26 | 2005-03-02 | 梁修舜 | Loading device for sports equipment |
| US20090170674A1 (en) * | 2007-12-28 | 2009-07-02 | Chu Yong S | Integrated leg press for gym |
| CN103706078A (en) * | 2013-12-20 | 2014-04-09 | 武汉体育学院 | Magnetic powder power twister special for resistance source of fitness equipment |
-
2014
- 2014-07-14 CN CN201410333059.2A patent/CN104138652B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2145049Y (en) * | 1993-01-21 | 1993-11-03 | 丁慧生 | Electromagnetic controlled equal-move training apparatus |
| CN2681776Y (en) * | 2004-02-26 | 2005-03-02 | 梁修舜 | Loading device for sports equipment |
| US20090170674A1 (en) * | 2007-12-28 | 2009-07-02 | Chu Yong S | Integrated leg press for gym |
| CN103706078A (en) * | 2013-12-20 | 2014-04-09 | 武汉体育学院 | Magnetic powder power twister special for resistance source of fitness equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10953266B2 (en) | 2016-06-21 | 2021-03-23 | Carlos Alberto LEOPOLDO DA CAMARA FILHO | System for performing physical exercises at a constant speed of a movement |
| EP3808414A1 (en) | 2016-06-21 | 2021-04-21 | Leopoldo Da Câmara Filho, Carlos Alberto | Exercise device system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104138652B (en) | 2016-04-13 |
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Granted publication date: 20160413 Termination date: 20200714 |