Chair-rotating control mechanism applied to sport apparatus
Chair-rotating control mechanism applied to sport apparatus, wherein driven gear sector is to drive the connected eccentric shaft to rotate, chair pivoted with an eccentric shaft is driven by rotating shaft of pedal or decelerating motor, or both of them move together as power source, this control mechanism can be applied to bicycle, exercising bicycle and AB chair to control rotation of chair, so that it can turn around waist and hip of rider when riding on it to do exercise.
1) Field of the Invention
This invention relates to chair-rotating control mechanism applied to sport apparatus, wherein the chair pivoted with an eccentric shaft is driven by rotating shaft of pedal or electric motor of bicycle, exercising bicycle and AB chair, so that it rotates while riding on it to do exercise.
2) Description of the Prior Art
There are many types of sport apparatus, however, most of them are applicable to indoor exercise, such as indoor exercising bicycle, many people use magnetic exercising bicycle due to its easy operation, which only uses an adjuster to adjust distance between magnetic force tractions in magnetic field, counteractive force of pedal gets resistance so that user can adjust properly basing on the imposed force.
The above said exercising bicycle can only exercise your legs, however, waist and hip of human body must rely on hula hoop, no other apparatuses are available to exercise these parts of body, which is at most a vibrating massage to massage waist or hip, so, if hula hoop is no available or don't know how to use it, can only rotate his/her own body.
SUMMARY OF THE INVENTION 1. Problems to Solve:(1) The prior exercising bicycle can only exercise legs and do nothing to your waist.
(2) You must get trained before playing this hula hoop, it is not easy to play because of its limitation in space, and can not play it everywhere.
(3) If directly turn around your waist and sway your hip, your upper body may wobble accordingly, so, it is not effective to exercise your waist and hip as required.
2. Solutions:(1) This invention is to install an eccentric shaft in a sleeve, one end of this eccentric shaft is pivoted with one set of chair, and another end is connected to a driven gear sector so that it can drive chair to rotate when running.
(2) Driven gear sector of this invention can connect or separate eccentric shaft, when it is separated, driven gear sector can slip up/down bellow eccentric shaft, and drive eccentric shaft to rotate as well.
(3) This invention applies beneath of above said driven gear sector to mesh with gear sector, which is fixed on main shaft, and one driven sprocket or main gear is fixed on the main shaft so as to provide power to drive driven sprocket or main gear to rotate respectively, meanwhile, the driven gear sector can drive eccentric shaft to rotate chair.
(4) Power source of this invention can be either rotating shaft of pedal or decelerating motor, which can drive main shaft to rotate.
(5) This invention uses the first and second clutch assembly; wherein the first clutch assembly controls driven gear sector to drop off tooth of gear sector of this main shaft; and the second clutch assembly controls decelerating motor to drop off tooth of main gear; above said controls, namely, selection of power source, either to provide chair to drive eccentric shaft to rotate itself, or to provide rotating shaft of pedal to drive chair to rotate, or to provide decelerating motor to drive chair to rotate, or pedal and decelerating motor drive chair to rotate at the same time.
(6) Upper end of the above said sleeve of this invention applicable to bicycle, exercising bicycle and AB chair can fix one relay sleeve, so that eccentric shaft can be embedded into this relay sleeve for flexing to adjust eccentric shaft upward or downward and regulate chair according to height of user.
(7) Chair is pivoted with eccentric shaft of this invention, one adjust seat can be fixed at top of eccentric shaft, so that eccentric shaft can be adjusted properly according to its rotating radius when it is driven.
(8) This invention is applicable to exercising bicycle, bicycle or AB chair, which can select different operational modes.
Techniques and operations relating to this invention are described basing on bicycle, exercising bicycle and AB chair but not limited in the following preferred embodiments:
Please refer to FIG. 1-A˜C, the common structure of this invention is to fix sleeve 11 on bracket 1, bearing 12 is respectively embedded into two ends of sleeve 11, chair S is pivoted with eccentric shaft, relay shaft 21 is fixed at the lower extended section, axial runner (track) 211 is installed at bottom of this relay shaft 21, and screw thread 212 is assembled at top of this axial runner (track) 211; please refer to FIG. 1-A˜B, when eccentric shaft 2 is embedded into bearing 12, screw thread 212 is locked with nut 213 so that it is positioned at inner of bearing 12 at bottom of sleeve 11, eccentric shaft 2 in sleeve 11 can rotate bearing 12 to drive chair S to turn around.
According to above said driven gear sector 3, axial track (runner) 32 is assembled in shaft hole 31 matching axial runner (track) 211 of above said relay shaft 21, and axial runner (track) 211 of this relay shaft 21 is embedded into axial track (runner) 32 of shaft hole 31 of this driven gear sector 3 so that it can move upward/downward in axial runner (track) 211 of this relay shaft 21 and drive eccentric shaft 2 to rotate. In addition, axial runner (track) 211 of this relay shaft 21 is covered with compressed spring 314 which is positioned between nut 213 and driven gear sector 3, compressed spring 314 can be compressed and reset due to upward/downward movement of driven gear sector 3.
Therefore, gear sector 41 is meshed with bottom of above said driven gear sector 3, this gear sector 41 is fixed on main shaft 4, and driven sprocket 42 or main gear wheel 42′ is fixed at external side of main shaft 4 extending out of bracket 1.
Please refer to FIG. 2-A˜C and
Please refer to FIG. 4-A,B, driven sprocket 42 fixed on above said main shaft 4 is modified as main gear wheel 42′ and one set of decelerating motor 6 is fixed in front of main shaft 4, this decelerating motor 6 is connected with transmission gear wheel 61 and mesh with main gear wheel 42′ so that decelerating motor 6 drives transmission gear wheel 61 to rotate, and also drive main gear wheel 42′ to rotate, then main shaft 4 drives gear sector 41 to rotate driven gear sector 3 and eccentric shaft 2, so that chair S can be driven to rotate automatically by auxiliary power of decelerating motor 6, which is applicable to AB chair 30.
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Claims
1. Chair-rotating control mechanism applied to sport apparatus as follows:
- Sleeve which is installed on bracket, bearing is respectively embedded into two ends of this sleeve;
- Eccentric shaft, its top is pivoted with chair and lower section extends downward to become relay shaft, screw thread section is made at proper position of this relay shaft's lower section to screw on nut, so that eccentric shaft is fixed at bearing of sleeve, meanwhile, nut is screwed on against inner of bearing so as to limit relay shaft to rotate inside bearing of sleeve.
- Chair which is pivoted with top of eccentric shaft, so that user can move around along with chair but not rotate together with eccentric shaft.
- Driven gear sector which is connected to relay shaft and meshed with gear sector of main shaft so as to drive eccentric to rotate;
- Rotating shaft of pedal, an auxiliary sprocket wheel is fixed on this shaft;
- Main shaft which fixes gear sector and sprocket wheel, and connect sprocket wheel with this auxiliary sprocket wheel with chain so that this gear sector meshes with driven gear sector;
- Therefore, rotating shaft of pedal drives main shaft to rotate, gear sector drives driven gear sector to rotate, and then drives eccentric shaft to rotate, so that chair can move in circle, user can exercise his/her hip and waist at the same time when riding such bicycle.
2. Chair-rotating control mechanism applied to sport apparatus as follows:
- Sleeve which is installed on bracket, bearing is respectively embedded with two ends of this sleeve;
- An eccentric shaft, its top is pivoted with one chair and lower section extends downward and become relay shaft, screw thread section is made at proper position of this relay shaft's lower section to screw on nut, so that eccentric shaft is fixed at bearing of sleeve, meanwhile, nut is screwed on against inner of bearing so as to limit relay shaft to rotate inside bearing of sleeve.
- Chair which is pivoted with top of eccentric shaft, so that user can move in circle along with chair while eccentric shaft is rotating but not rotate together.
- Driven gear sector which is connected with this relay shaft and meshed with gear sector of main shaft so as to drive eccentric to rotate;
- Rotating shaft of pedal, an auxiliary sprocket wheel is fixed on this shaft;
- Main shaft which fixes gear sector, sprocket wheel and main gear wheel, and connects sprocket wheel and this auxiliary sprocket wheel with chain so that this gear sector meshes with driven gear sector;
- Decelerating motor which connects transmission gear wheel and meshes with main gear;
- Therefore, rotating shaft of pedal or decelerating motor drives main shaft to rotate, meanwhile, gear sector is to drive driven gear sector to rotate, that then rotate eccentric shaft, so, chair may move in circle. Chair is driven by rotating shaft of pedal and decelerating motor, or only decelerating motor automatically drives chair to turn round.
3. Chair-rotating control mechanism applied to sport apparatus as follows:
- Sleeve which is installed on bracket, bearing is respectively embedded with two ends of this sleeve;
- Eccentric shaft, its top is pivoted with chair and lower section extends downward and become one relay shaft, screw thread section is made at proper position of this relay shaft's lower section to screw on nut, so that eccentric shaft is fixed at bearing of sleeve, meanwhile, nut is screwed on against inner of bearing so as to limit relay shaft to rotate inside bearing of sleeve.
- Compressed spring which is covered onto axial runner of relay shaft and is positioned between sleeve and driven gear sector;
- Chair which is pivoted with top of eccentric shaft, so that user can move in circle along with chair while eccentric shaft is rotating but not rotate together.
- Driven gear sector which is connected with this relay shaft and meshed with gear sector of main shaft so as to drive eccentric to rotate; and ring groove, which is fixed on this driven gear sector to insert splint;
- Rotating shaft of pedal, auxiliary sprocket wheel is installed on it;
- Main shaft which fixes gear sector, sprocket wheel and main gear wheel, and connects sprocket wheel and this auxiliary sprocket wheel with one chain, so that this gear sector meshes with driven gear sector;
- Decelerating motor which connects transmission gear wheel and meshes with main gear wheel;
- First clutch assembly which is composed of splint, fixing lever, spring, adjuster, board, it is fixed at where can control driven gear sector, the splint is inserted into ring groove of driven gear sector, adjuster is to control this driven gear sector so that driven gear sector can mesh with or drop off gear sector;
- Second clutch assembly which is composed of fixing seat, limit lever, spring, adjuster and hook fixed on pivot seat of decelerating motor, adjuster controls pivot seat to sway with pivot shaft as axis, so that transmission gear meshes with or drop off main gear;
- Therefore, rotating shaft of pedal or decelerating motor can simultaneously or respectively drive driven gear sector to rotate eccentric shaft, then apply first clutch assembly to control driven gear sector to drop off gear sector of main shaft, so that chair can turn round automatically with eccentric shaft as axis. Also apply second clutch assembly to control transmission gear of decelerating motor to drop off main gear of main shaft, thus, rotating shaft of pedal can move driven gear sector, so, user can turn around hip and waist at the same time while rotating shaft of pedal.
4. As claimed in claim 1, 2, 3, it is chair-rotating control mechanism applied to sport apparatus, wherein axial runner is made in lower part of screw thread of eccentric shaft, and axial track matching axial runner is made in Peg-in-Hole of driven gear sector, so that this axial track can be embedded into this axial runner, driven gear sector can move upward/downward within this axial runner.
5. As claimed in claim 1, 2, 3, it is chair-rotating control mechanism applied to sport apparatus, wherein one relay sleeve can be fixed on top of this sleeve, which is also connected with relay shaft, eccentric shaft can be embedded into this relay sleeve for flexing, then lock this relay sleeve with lock bolt so that it leans against this eccentric shaft, eccentric chair is thereby adjusted according to height of user.
6. As claimed in claim 1, 2, 3, it is chair-rotating control mechanism applied to sport apparatus, wherein chair is pivoted with eccentric shaft, adjust seat is fixed at top of eccentric shaft, and shaft lever is assembled at bottom of chair, with support of shaft collars connecting to front of adjust lever, this shaft lever embedded into this shaft collars can let chair rotate freely, furthermore, this adjust lever can be embedded into from two ends of adjust seat, which can adjust distance between chair and eccentric shaft, then pass fixing bolt through adjust seat to position adjust lever, so that eccentric shaft can be adjusted properly as required when driven.
7. As claimed in claim 1, 2, 3, it is chair-rotating control mechanism applied to sport apparatus, wherein features of the structure to connect driven gear sector and relay shaft as follows:
- Axial track (runner) is made in hole of this driven gear sector;
- This relay shaft, axial runner (track) is fixed matching this axial track (runner).
- Therefore, axial runner (track) of this relay shaft is embedded into axial track (runner) of driven gear sector's hole, so that driven gear sector can move upward/downward in axial runner (track) of this relay shaft, which can drive eccentric shaft to rotate.
8. As claimed in claim 2, 3, it is chair-rotating control mechanism applied to sport apparatus, wherein the decelerating motor is fixed at pivot seat, and this pivot seat is pivoted to this bracket with pivot shaft, moreover, fixing seat also is fixed at this pivot seat, which can fix 2nd clutch assembly, so that pivot seat can drive decelerating motor to sway forward/backward.
9. As claimed in claim 3, it is chair-rotating control mechanism applied to sport apparatus, wherein spring can cover onto axial runner of relay, so that the compressed spring is positioned between nut and driven gear sector, which will be compressed and reset by driven gear sector.
10. As claimed in claim 3, it is chair-rotating control mechanism applied to sport apparatus, wherein the first clutch assembly is comprised by following components:
- Splint which is inserted into ring groove set between compressed spring and driven gear sector;
- Fixing lever is fixed at terminal of this splint;
- Spring is covered onto this fixing lever and fixed on the board, so that this spring is positioned between splint and board.
- Adjuster, its guide rope fastens this board, and rope collars coating this guide rope is limited within this splint with one bolt and positioned between fixing lever and relay shaft of driven gear sector;
- Thus, this adjuster can adjust its guide rope and control splint to push upward compressed spring or release driven gear sector, so that this driven gear sector can move up/down in axial runner of relay shaft with above said axial track, so, driven gear sector can drop off or mesh with gear sector, therefore, user can select power source at will.
11. As claimed in claim 3, it is chair-rotating control mechanism applied to sport apparatus, wherein the second clutch assembly is comprised by following components:
- Pivot seat where one fixing seat is fixed properly.
- Limit lever which passes through this fixing seat and fixes on hook;
- Spring which covers onto limit lever;
- Adjuster is to fasten the guide rope to this hook, and rope collar of this guide rope is positioned at this fixing seat with one bolt;
- Thus, adjuster is to adjust guide rope and bolt is to strain or loose the guide rope so as to control this pivot seat to sway with pivot shaft as axis, transmission gear thereby drop off or mesh with main gear.
12. As claimed in claim 1, it is chair-rotating control mechanism applied to sport apparatus, wherein this mechanism is applicable to bicycle and exercising bicycle.
13. As claimed in claim 2, 3, it is chair-rotating control mechanism applied to sport apparatus, wherein this mechanism is applicable to exercising bicycle.
14. As claimed in claim 2, it is chair-rotating control mechanism applied to sport apparatus, wherein this mechanism can also be applicable to AB chair if not equipped with auxiliary sprocket and rotating shaft of pedal.
Type: Application
Filed: Jul 5, 2006
Publication Date: Dec 6, 2007
Inventor: Ying-Chou Lai (Changhua County)
Application Number: 11/480,435
International Classification: A63B 22/00 (20060101); A63B 22/06 (20060101); A63B 71/00 (20060101);