CN214130069U - Magnetic control transmission device of body-building device - Google Patents
Magnetic control transmission device of body-building device Download PDFInfo
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- CN214130069U CN214130069U CN202022728304.3U CN202022728304U CN214130069U CN 214130069 U CN214130069 U CN 214130069U CN 202022728304 U CN202022728304 U CN 202022728304U CN 214130069 U CN214130069 U CN 214130069U
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Abstract
The utility model provides a magnetic control transmission device of a body builder, which is characterized in that: has a transmission shell mounted on the frame of the body-building equipment; the driving wheel positioned in the transmission shell is in a turbine form, and the two sides of the turbine shaft of the turbine-form driving wheel extend out of the transmission shell; the driven wheel is a cylinder, one end of a rotating shaft of the driven wheel is in a worm form, and the worm extends into the transmission shell from a worm through hole formed in the transmission shell and is meshed with the driving wheel in the form of a turbine; the U-shaped support frame is fixedly connected to the transmission shell, a U-shaped support frame through hole is formed in the bottom surface of the U-shaped support frame, and the U-shaped support frame through hole corresponds to the worm through hole in position; bearings are respectively arranged in the worm through hole and the U-shaped support frame through hole, and rotating shafts on two sides of the driven wheel are respectively erected in the worm through hole and the U-shaped support frame through hole through the bearings; the U-shaped support frame is provided with a magnetic control resistance device. The utility model discloses make fitness equipment transmission structure volume littleer, it is more stable to improve its life-span and security.
Description
Technical Field
The utility model relates to the field of fitness equipment, in particular to a magnetic control transmission device of a fitness device.
Background
The transmission device of the fitness equipment on the market at present usually adopts a belt driving mode, namely, a user drives a driving wheel to rotate by a pedal, the driving wheel drives a driving wheel connected with the driving wheel to rotate by the belt, the driving wheel drives a driven wheel coaxial with the driving wheel to rotate, the curvature of the corresponding driven wheel outside the driven wheel is provided with a plurality of magnets, the distance between the magnets and the driven wheel is adjusted, the magnetic attraction force of the magnets to the driven wheel can be adjusted, the force required by driving the driven wheel is controlled, and finally the force of the driving wheel driven by the user is controlled.
The transmission device of the fitness equipment in the prior art has the defects of large occupied space, easy fatigue of a belt, inaccurate resistance adjustment, potential safety hazard due to the fact that a transmission part can be involved in clothes, and waiting for improvement.
SUMMERY OF THE UTILITY MODEL
The utility model provides a magnetic control transmission device of a body builder, which aims to solve the defects of the prior art, ensure that the transmission structure of the body builder has smaller volume and is more stable, and improve the service life and the safety of the body builder.
The utility model provides a technical scheme that its technical problem adopted is:
the magnetic control transmission device of the body builder is characterized in that:
has a transmission shell mounted on the frame of the body-building equipment;
the driving wheel positioned in the transmission shell is in a turbine form, and the two sides of the turbine shaft of the turbine-form driving wheel extend out of the transmission shell;
the driven wheel is a cylinder, one end of a rotating shaft of the driven wheel is in a worm form, and the worm extends into the transmission shell from a worm through hole formed in the transmission shell and is meshed with the driving wheel in the form of a turbine;
a U-shaped support frame is fixedly connected to the transmission shell, a U-shaped support frame through hole is formed in the bottom surface of the U-shaped support frame, and the U-shaped support frame through hole corresponds to the worm through hole in position;
bearings are respectively arranged in the worm through hole and the U-shaped support frame through hole, and rotating shafts on two sides of the driven wheel are respectively erected in the worm through hole and the U-shaped support frame through hole through the bearings;
a magnetic control resistance device corresponding to the driven wheel is arranged on the U-shaped supporting frame.
Pedals are arranged at two ends of a turbine shaft of the turbine-shaped driving wheel.
The turbine shaft of the turbine-type driving wheel is mounted in the transmission housing by a bearing.
The magnetic control resistance device is as follows: an arc-shaped lower magnet fixing seat is hinged to the U-shaped supporting frame through a hinge shaft, a magnet is fixed to the concave surface of the lower magnet fixing seat, and the concave surface of the lower magnet fixing seat faces the outer peripheral surface of the driven wheel;
the control rod support frame is fixed on the U-shaped support frame, a control rod penetrates through a control rod support frame through hole formed in the control rod support frame and then penetrates through a lower magnet fixing seat through hole formed in a lower magnet fixing seat, a convex wall at the upper end of the control rod is clamped above the lower magnet fixing seat through hole, the lower end of the control rod is connected to an adjusting knob through a control line, and the adjusting knob is installed on the rack; a spring sleeve is established outside the control lever to the upper end top of spring is supported at the lower surface of lower magnet fixing base, and the lower extreme top of spring is supported at the upper surface of control lever support frame.
An arc-shaped upper magnet fixing seat is hinged to the U-shaped supporting frame through a hinge shaft, a magnet is fixed on the concave surface of the upper magnet fixing seat, and the concave surface of the upper magnet fixing seat faces the peripheral surface of the driven wheel.
The utility model discloses an useful part lies in:
1: because the U-shaped frame supports the driven wheel, the driven wheel can be prevented from vibrating in the rotating process, and the precision and the stability are improved.
2: the worm gear and worm transmission is adopted, the size is greatly reduced compared with belt transmission, and the service life of the metal part is longer than that of the belt transmission.
3: the transmission part is wrapped by the transmission shell, so that clothes are prevented from being rolled in, and the clothes hanger is safer.
4: the magnetic control resistance device is convenient and reliable to adjust.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is an external view of an exercise apparatus used in an exercise apparatus according to the present invention;
FIG. 2 is a structural view of the present invention installed on the body-building apparatus;
fig. 3 is an exploded perspective view of the present invention;
fig. 4 is a combination view of the present invention with the transmission housing 1 removed;
fig. 5 is a combined appearance diagram of the present invention.
Detailed Description
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other embodiments can be obtained according to the drawings without inventive labor. In order to facilitate understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and specific embodiments.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. The terms "upper", "lower", "inner", "outer", "bottom", and the like as used herein are used in the description to indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1, 2, 3, 4, and 5:
the utility model has a transmission housing 1 installed on the frame 100 of the body-building apparatus.
The driving wheel 2 in the transmission housing 1 is in a turbine form, a turbine shaft 21 of the turbine-form driving wheel 2 extends out of the transmission housing 1 towards two sides, and pedals 200 are mounted at two ends of the turbine shaft 21. The turbine shaft 21 is mounted in the transmission housing 1 by means of a bearing.
The driven wheel 3 is a metal cylinder, one end of a rotating shaft 31 of the driven wheel 3 is in the form of a worm 30, and the worm 30 extends into the transmission shell 1 from a worm through hole 11 formed in the transmission shell 1 and is meshed with the driving wheel 2 in the form of a turbine.
A U-shaped support frame 4 is fixedly connected on the transmission shell 1 through a screw 41, a U-shaped support frame through hole 40 is formed in the bottom surface of the U-shaped support frame 4, and the U-shaped support frame through hole 40 corresponds to the position of the worm through hole 11.
The magnetic control resistance device is as follows:
an arc-shaped upper magnet fixing seat 51 and an arc-shaped lower magnet fixing seat 52 are hinged to the U-shaped support frame 4 through two hinge shafts 43, magnets 6 are respectively fixed to concave surfaces of the upper magnet fixing seat 51 and the lower magnet fixing seat 52, and the concave surfaces of the upper magnet fixing seat 51 and the lower magnet fixing seat 52 face the outer peripheral surface of the driven wheel 3.
The control rod support frame 71 is fixed on the U-shaped support frame 4, a control rod 7 penetrates through a control rod support frame through hole formed in the control rod support frame 71 and then penetrates through a lower magnet fixing seat through hole 53 formed in the lower magnet fixing seat 52, the raised wall 70 at the upper end of the control rod 7 is clamped above the lower magnet fixing seat through hole 53, the lower end of the control rod 7 is connected to an adjusting knob 81 through a control wire 8, and the adjusting knob 81 is installed on the rack 100.
A spring 9 is sleeved outside the control rod 7, the upper end of the spring 9 abuts against the lower surface of the lower magnet fixing seat 52, and the lower end of the spring 9 abuts against the upper surface of the control rod supporting frame 71.
In actual use:
the user steps on the pedals 200 at the two ends of the turbine shaft 21 to drive the turbine shaft 21 to rotate, the driving wheel 2 in the form of a turbine rotates, the worm 30 meshed with the turbine is further driven to rotate, and the worm 30 drives the cylindrical driven wheel 3 to rotate.
The magnets 6 respectively fixed to the concave surfaces of the upper magnet fixing seat 51 and the lower magnet fixing seat 52 generate magnetic attraction to the cylindrical driven wheel 3, and the resistance generated by the magnetic attraction must be overcome when the driven wheel 3 rotates, that is, the user must forcibly step on the pedals 200 at the two ends of the turbine shaft 21 to overcome the resistance to drive the driven wheel 3 to rotate, so as to play a role in body building.
The adjusting knob 81 is rotated, the control wire 8 is shortened, the control rod 7 is pulled downwards, the lower magnet fixing seat 52 is pressed down by the boss 70 at the upper end of the control rod 7, therefore, the lower magnet fixing seat 52 rotates downwards around the hinge shaft 43, the magnet 6 on the lower magnet fixing seat 52 is far away from the driven wheel 3, the magnetic force applied to the driven wheel 3 is reduced, and the force for driving the driven wheel 3 by a user is also reduced. The spring 9 is now compressed.
The adjusting knob 81 is rotated reversely, the control wire 8 is extended, the boss 70 at the upper end of the control rod 7 moves upwards, the spring 9 rebounds and resets, the lower magnet fixing seat 52 rotates upwards around the hinge shaft 43, the magnet 6 on the lower magnet fixing seat 52 approaches the driven wheel 3, the magnetic force applied to the driven wheel 3 is increased, and the force for driving the driven wheel 3 by a user is also increased. Thereby playing a role in adjusting the movement resistance.
Because the U-shaped supporting frame 4 supports the driven wheel 3, the driven wheel can avoid the vibration in the rotating process, and the precision and the stability are improved.
The worm gear and worm transmission is adopted, the size is greatly reduced compared with belt transmission, and the service life of the metal part is longer than that of the belt transmission.
The transmission part is wrapped by the transmission shell 1, so that clothes are prevented from being involved, and the clothes hanger is safer.
The magnetic control resistance device is convenient and reliable to adjust.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. The magnetic control transmission device of the body builder is characterized in that: the driving wheel positioned in the transmission shell is in a turbine form, and the two sides of the turbine shaft of the turbine-form driving wheel extend out of the transmission shell; the driven wheel is a cylinder, one end of a rotating shaft of the driven wheel is in a worm form, and the worm extends into the transmission shell from a worm through hole formed in the transmission shell and is meshed with the driving wheel in the form of a turbine; a U-shaped support frame is fixedly connected to the transmission shell, a U-shaped support frame through hole is formed in the bottom surface of the U-shaped support frame, and the U-shaped support frame through hole corresponds to the worm through hole in position; bearings are respectively arranged in the worm through hole and the U-shaped support frame through hole, and rotating shafts on two sides of the driven wheel are respectively erected in the worm through hole and the U-shaped support frame through hole through the bearings; a magnetic control resistance device corresponding to the driven wheel is arranged on the U-shaped supporting frame.
2. The magnetically controlled transmission for exercise equipment according to claim 1, wherein: pedals are arranged at two ends of a turbine shaft of the turbine-shaped driving wheel.
3. The magnetically controlled transmission for exercise equipment according to claim 1, wherein: the turbine shaft of the turbine-type driving wheel is mounted in the transmission housing by a bearing.
4. The magnetically controlled transmission for exercise equipment according to claim 1, wherein: the magnetic control resistance device is as follows: an arc-shaped lower magnet fixing seat is hinged to the U-shaped supporting frame through a hinge shaft, a magnet is fixed to the concave surface of the lower magnet fixing seat, and the concave surface of the lower magnet fixing seat faces the outer peripheral surface of the driven wheel; the control rod support frame is fixed on the U-shaped support frame, a control rod penetrates through a control rod support frame through hole formed in the control rod support frame and then penetrates through a lower magnet fixing seat through hole formed in a lower magnet fixing seat, a convex wall at the upper end of the control rod is clamped above the lower magnet fixing seat through hole, the lower end of the control rod is connected to an adjusting knob through a control line, and the adjusting knob is installed on the rack; a spring sleeve is established outside the control lever to the upper end top of spring is supported at the lower surface of lower magnet fixing base, and the lower extreme top of spring is supported at the upper surface of control lever support frame.
5. The magnetically controlled transmission device for exercise apparatus according to claim 4, wherein: an arc-shaped upper magnet fixing seat is hinged to the U-shaped supporting frame through a hinge shaft, a magnet is fixed on the concave surface of the upper magnet fixing seat, and the concave surface of the upper magnet fixing seat faces the peripheral surface of the driven wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022728304.3U CN214130069U (en) | 2020-11-23 | 2020-11-23 | Magnetic control transmission device of body-building device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022728304.3U CN214130069U (en) | 2020-11-23 | 2020-11-23 | Magnetic control transmission device of body-building device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214130069U true CN214130069U (en) | 2021-09-07 |
Family
ID=77565818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022728304.3U Active CN214130069U (en) | 2020-11-23 | 2020-11-23 | Magnetic control transmission device of body-building device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214130069U (en) |
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2020
- 2020-11-23 CN CN202022728304.3U patent/CN214130069U/en active Active
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