CN112402891A - Electric magnetic resistance chest expander - Google Patents
Electric magnetic resistance chest expander Download PDFInfo
- Publication number
- CN112402891A CN112402891A CN202011409511.0A CN202011409511A CN112402891A CN 112402891 A CN112402891 A CN 112402891A CN 202011409511 A CN202011409511 A CN 202011409511A CN 112402891 A CN112402891 A CN 112402891A
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- CN
- China
- Prior art keywords
- spring
- bin
- chest expander
- cover
- mandrel
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- 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.)
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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
- A63B21/012—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using frictional 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
- 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
- A63B21/00192—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using resistance provided by magnetic means
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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
- A63B23/00—Exercising apparatus specially adapted for particular parts of the body
- A63B23/035—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
- A63B23/12—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for upper limbs or related muscles, e.g. chest, upper back or shoulder muscles
Abstract
An electric reluctance chest expander comprises a cover body, wherein the cover body comprises an inner side cover and an outer side cover which are fixedly connected with each other, and a wire drawing hole is formed in the cover body; a connecting mandrel is fixedly arranged in the cover body, and a power storage device and a magnetic resistance device are arranged on the connecting mandrel; the power storage device comprises a spring bin, a volute spiral spring is arranged in the spring bin, a bin cover is arranged on the spring bin, the connecting mandrel penetrates through the bin cover and the spring bin, the volute spiral spring and a pull wire are connected with the spring bin, and the pull wire penetrates out of a pull wire hole; the magnetic resistance device comprises a fixing seat, magnets and a metal plate, wherein the metal plate is fixedly arranged on the back face of the spring bin, the fixing seat is fixedly arranged on the connecting core shaft, and a plurality of magnets are uniformly distributed in the fixing seat along the circumference. The electric reluctance chest expander is provided with the reluctance device, can effectively increase the force required by pulling the pull rope under the condition of not increasing the volume of the chest expander, and is convenient to carry.
Description
Technical Field
The invention belongs to the technical field of chest-developer, and particularly relates to an electric magnetic resistance chest-developer.
Background
The chest developer is one kind of exerciser suitable for public health exercise. Chinese patent application No. 201720740594.9 discloses a chest expander of adjustable dynamics, it is including fixed pull ring, the activity pull ring that sets up with fixed pull ring symmetry, and set up the stay cord between fixed pull ring and activity pull ring, the one end winding of stay cord is on the carousel of fixed pull ring, the other end passes the activity pull ring, be provided with volute spiral spring between carousel and the fixed pull ring, volute spiral spring's one end fixed mounting is on the carousel, other end fixed mounting is on fixed pull ring. Although the strength of the chest expander can be adjusted, the spiral spring has to be made large enough to achieve the specified exercise intensity, which is inconvenient to carry about.
Disclosure of Invention
The invention aims to provide an electric reluctance chest expander, which solves the problems in the prior art.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: an electric reluctance chest expander comprises a cover body, wherein the cover body comprises an inner side cover and an outer side cover which are fixedly connected with each other, and a wire drawing hole is formed in the cover body;
a connecting mandrel is fixedly arranged in the cover body, and a power storage device and a magnetic resistance device are arranged on the connecting mandrel;
the power storage device comprises a spring bin, a volute spiral spring is arranged in the spring bin, a bin cover is arranged on the spring bin, the connecting mandrel penetrates through the bin cover and the spring bin, the volute spiral spring and a pull wire are connected with the spring bin, and the pull wire penetrates out of a pull wire hole;
the magnetic resistance device comprises a fixing seat, magnets and a metal plate, wherein the metal plate is fixedly arranged on the back face of the spring bin, the fixing seat is fixedly arranged on the connecting core shaft, and a plurality of magnets are uniformly distributed in the fixing seat along the circumference.
On the basis of the above scheme and as a preferred scheme of the above scheme, the reluctance device further comprises a rotating mandrel and a one-way bearing, the connecting mandrel passes through the rotating mandrel, the one-way bearing is arranged on the outer side of the rotating mandrel, and the one-way bearing is arranged between the rotating mandrel and the spring bin.
On the basis of above-mentioned scheme and as the preferred scheme of above-mentioned scheme, electronic magnetic resistance chest expander still includes frictional resistance device, frictional resistance device includes motor and gear pressure disk, the motor is fixed to be located inside the lid, the outside and the motor of gear pressure disk are connected, connect the dabber and pass from the gear pressure disk, just connect dabber and gear pressure disk threaded connection, the gear pressure disk is located the right side of fixing base, just the gear pressure disk is contradicted with the fixing base each other.
On the basis of the scheme, as a preferred scheme of the scheme, the connecting mandrel is fixedly provided with a blocking surface, the rotating mandrel comprises an end surface extending outwards, the end surface is mutually abutted against the fixed seat, and the one-way bearing is positioned between the blocking surface and the end surface.
On the basis of the scheme, the gear pressure plate is connected with the motor in a meshing mode through a gear.
On the basis of the above scheme and as a preferred scheme of the above scheme, a cylindrical pin is fixedly arranged between the inner side cover and the outer side cover, the cylindrical pin penetrates through the fixed seat, a compression spring is sleeved on the cylindrical pin, and the compression spring is arranged between the inner side cover and the fixed seat.
On the basis of the scheme, as a preferable scheme of the scheme, a control plate is fixedly arranged on the outer side of the outer side cover, the control plate can control the motor to rotate forwards and backwards, an end cover covers the control plate, and the end cover is fixedly connected with the connecting mandrel.
In addition to and as a preferable mode of the above mode, the metal plate is an aluminum plate.
In addition to and as a preferred aspect of the above aspect, the spiral spring is a flat spiral spring.
On the basis of and as a preferred aspect of the above aspect, the one-way bearing is a one-way needle bearing.
The invention has the following beneficial effects: the electric reluctance chest expander is provided with the reluctance device, so that the force required for pulling the pull rope can be effectively increased under the condition of not increasing the volume of the chest expander, and the electric reluctance chest expander is convenient to carry; the friction resistance device is arranged, so that the resistance of the chest expander can be adjusted, and the resistance for pulling the pull rope is further increased by increasing the friction force of the spring bin; the intelligent control and adjustment of the chest expander are realized by arranging the control panel; a one-way bearing is arranged between the rotating mandrel and the spring bin, when the pull rope is withdrawn, the spring bin is separated from the rotating mandrel, and the rotating mandrel does not rotate together, so that the resistance is reduced, and the pull rope is withdrawn smoothly; be equipped with compression spring between inside cap and the fixing base, when motor antiport, make the gear pressure disk keep away from the fixing base, compression spring can make the fixing base move to the right to make fixing base and gear pressure disk paste mutually all the time and be in the same place.
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 will be briefly introduced below, 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 drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a cross-sectional view of the present invention.
FIG. 3 is a schematic view of the power storage device.
Fig. 4 is a schematic structural diagram of the fixing base and the magnet.
The reference numbers are as follows:
11. an inner cover; 12. an outer cover; 13. a pull wire hole; 14. an end cap;
2. connecting the core shaft; 21. a blocking surface;
31. a spring bin; 32. a volute spiral spring; 33. a bin cover;
41. a fixed seat; 42. a magnet; 43. a metal plate; 44. rotating the mandrel; 441. an end face; 45. a one-way bearing;
51. a motor; 52. a gear pressure plate; 53. a cylindrical pin; 54. a compression spring;
6. and a control panel.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
As shown in fig. 1 to 4, an electric reluctance chest expander comprises a cover body, wherein the cover body comprises an inner side cover 11 and an outer side cover 12 which are fixedly connected with each other, and a wire drawing hole 13 is formed in the cover body;
a connecting mandrel 2 is fixedly arranged inside the cover body, and a power storage device and a magnetic resistance device are arranged on the connecting mandrel 2;
the power storage device comprises a spring bin 31, a volute spiral spring 32 is arranged inside the spring bin 31, a bin cover 33 is arranged on the spring bin 31, the connecting mandrel 2 penetrates through the bin cover 33 and the spring bin 31, the volute spiral spring 32 and a pull wire are connected with the spring bin 31, and the pull wire penetrates out of a pull wire hole 13;
the magnetic resistance device comprises a fixed seat 41, a magnet 42 and a metal plate 43, the metal plate 43 is fixedly arranged on the back face of the spring bin 31, the fixed seat 41 is fixedly arranged on the connecting core shaft 2, and the plurality of magnets 42 are uniformly distributed in the fixed seat 41 along the circumference.
During the use, the spiral spring is in the state of relaxing, and when outwards pulling the stay cord hard, the spiral spring tightens up, drives the metal sheet rotation simultaneously, and the metal sheet is at the pivoted in-process, will cut the magnetic induction line in the magnetic field that magnet produced, produces induced-current to produce the resistance, prevent the metal sheet rotation, just reached the resistance that increases the stay cord and pulled out, increased the required strength of pulling the stay cord.
The magnetic resistance device further comprises a rotating mandrel 44 and a one-way bearing 45, the connecting mandrel 2 penetrates through the rotating mandrel 44, the one-way bearing 45 is arranged on the outer side of the rotating mandrel 44, and the one-way bearing 45 is arranged between the rotating mandrel 44 and the spring bin 31. When the pull rope is pulled, the metal plate rotates together through the one-way bearing, so that the magnetic induction line is cut, and larger resistance is produced; when the pull rope is loosened, the pull rope automatically contracts under the action of the spiral spring; meanwhile, the one-way bearing enables the spring bin to be separated from the rotating mandrel, and the rotating mandrel does not rotate together, so that resistance is reduced, and the pull rope is successfully retracted.
The electric reluctance chest expander further comprises a friction resistance device, the friction resistance device comprises a motor 51 and a gear pressure plate 52, the motor 51 is fixedly arranged inside the cover body, the outer side of the gear pressure plate 52 is connected with the motor 51, the connecting mandrel 2 penetrates through the gear pressure plate 52, the connecting mandrel 2 is in threaded connection with the gear pressure plate 52, the gear pressure plate 52 is located on the right side of the fixed seat 41, and the gear pressure plate 52 is mutually abutted to the fixed seat 41. When the motor rotates forwards, the motor drives the gear pressure plate to rotate together, and the gear pressure plate moves to one side close to the magnetic resistance device due to the threaded connection between the gear pressure plate and the connecting mandrel, so that the magnetic resistance device is extruded to one side of the metal plate, the distance between the magnet and the metal plate is closer, and the metal plate can bear larger resistance when rotating; meanwhile, the spring bin for fixing the metal plate is also subjected to larger friction force, so that the force required for pulling the pull rope is further increased.
The connecting mandrel 2 is fixedly provided with a blocking surface 21, the rotating mandrel 44 comprises an end surface 441 extending outwards, the end surface 441 is abutted against the fixed seat 41, the one-way bearing 45 is positioned between the blocking surface 21 and the end surface 441, and when the connecting mandrel is extruded, the one-way bearing can be positioned between the blocking surface and the end surface.
The gear pressure plate 52 is connected with the motor 51 through gear engagement, and can be driven to rotate forwards or backwards through forward or backward rotation of the motor.
A cylindrical pin 53 is fixedly arranged between the inner cover 11 and the outer cover 12, the cylindrical pin 53 penetrates through the fixed seat 41, a compression spring 54 is sleeved on the cylindrical pin 53, and the compression spring 54 is arranged between the inner cover 11 and the fixed seat 41. When the fixed seat is extruded to move leftwards, the compression spring is contracted and compressed; when the motor rotates reversely, the gear pressure plate is far away from the fixed seat, and the compression spring can enable the fixed seat to move rightwards, so that the fixed seat and the gear pressure plate are always attached together.
The outer side of the outer side cover 12 is fixedly provided with a control plate 6, the control plate 6 can control the motor 51 to rotate forwards and backwards, the control plate 6 is covered with an end cover 14, and the end cover 14 is fixedly connected with the connecting core shaft 2. The motor can be controlled to rotate forwards or backwards through the control panel, so that the force required by pulling the pull rope can be adjusted.
The metal plate 43 is an aluminum plate, which has good conductivity and is cheaper than a copper plate.
The spiral spring 32 is a flat spiral spring, which is convenient for placing the spiral spring in the spring chamber.
The one-way bearing 45 is a one-way needle bearing, the radial structure of the needle bearing is compact, the inner diameter size and the load capacity of the needle bearing are the same as those of other types of bearings, and the outer diameter of the needle bearing is the smallest, so that the one-way bearing is particularly suitable for a supporting structure with limited radial installation size.
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 (10)
1. An electric magnetic resistance chest expander is characterized in that: the novel electric heating cooker comprises a cover body, wherein the cover body comprises an inner side cover (11) and an outer side cover (12) which are fixedly connected with each other, and a pull wire hole (13) is formed in the cover body;
a connecting mandrel (2) is fixedly arranged in the cover body, and a force storage device and a magnetic resistance device are arranged on the connecting mandrel (2);
the force accumulation device comprises a spring bin (31), a volute spiral spring (32) is arranged inside the spring bin (31), a bin cover (33) is arranged on the spring bin (31), the connecting mandrel (2) penetrates through the bin cover (33) and the spring bin (31), the volute spiral spring (32) and a pull wire are connected with the spring bin (31), and the pull wire penetrates out of a pull wire hole (13);
the magnetic resistance device comprises a fixed seat (41), magnets (42) and a metal plate (43), the metal plate (43) is fixedly arranged on the back face of the spring bin (31), the fixed seat (41) is fixedly arranged on the connecting mandrel (2), and a plurality of magnets (42) are uniformly distributed in the fixed seat (41) along the circumference.
2. An electric reluctance chest expander as claimed in claim 1, wherein: the magnetic resistance device further comprises a rotating mandrel (44) and a one-way bearing (45), the connecting mandrel (2) penetrates through the rotating mandrel (44), the one-way bearing (45) is arranged on the outer side of the rotating mandrel (44), and the one-way bearing (45) is arranged between the rotating mandrel (44) and the spring bin (31).
3. An electromotive magnetoresistive chest expander as claimed in claim 2 wherein: electronic magnetic resistance chest expander still includes frictional resistance device, frictional resistance device includes motor (51) and gear pressure disk (52), inside motor (51) are fixed to be located the lid, the outside and motor (51) of gear pressure disk (52) are connected, connect dabber (2) and pass from gear pressure disk (52), just connect dabber (2) and gear pressure disk (52) threaded connection, gear pressure disk (52) are located the right side of fixing base (41), just gear pressure disk (52) contradict with fixing base (41) each other.
4. An electromotive magnetoresistive chest expander as claimed in claim 2 wherein: connect dabber (2) go up the fixed face (21) that blocks that is equipped with, it includes outside extension's terminal surface (441) to rotate dabber (44), terminal surface (441) contradict each other with fixing base (41), one-way bearing (45) are located and block between face (21) and terminal surface (441).
5. An electric reluctance chest expander as claimed in claim 3, wherein: the gear pressure plate (52) is connected with the motor (51) through gear engagement.
6. An electric reluctance chest expander as claimed in claim 3, wherein: a cylindrical pin (53) is fixedly arranged between the inner side cover (11) and the outer side cover (12), the cylindrical pin (53) penetrates through the fixed seat (41), a compression spring (54) is sleeved on the cylindrical pin (53), and the compression spring (54) is arranged between the inner side cover (11) and the fixed seat (41).
7. An electric reluctance chest expander as claimed in claim 1, wherein: the outer side cover (12) is fixedly provided with a control panel (6) on the outer side, the control panel (6) can control the motor (51) to rotate forwards and backwards, the control panel (6) is covered with an end cover (14), and the end cover (14) is fixedly connected with the connecting core shaft (2).
8. An electric reluctance chest expander as claimed in claim 1, wherein: the metal plate (43) is an aluminum plate.
9. An electromotive magnetoresistive chest expander as claimed in claim 2 wherein: the spiral spring (32) is a flat spiral spring.
10. An electromotive magnetoresistive chest expander as claimed in claim 2 wherein: the one-way bearing (45) is a one-way needle bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011409511.0A CN112402891A (en) | 2020-12-03 | 2020-12-03 | Electric magnetic resistance chest expander |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011409511.0A CN112402891A (en) | 2020-12-03 | 2020-12-03 | Electric magnetic resistance chest expander |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112402891A true CN112402891A (en) | 2021-02-26 |
Family
ID=74830291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011409511.0A Pending CN112402891A (en) | 2020-12-03 | 2020-12-03 | Electric magnetic resistance chest expander |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112402891A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023097729A1 (en) * | 2021-12-02 | 2023-06-08 | 杭州极智医疗科技有限公司 | Rope winding device |
| TWI838286B (en) | 2023-06-20 | 2024-04-01 | 祺驊股份有限公司 | Intelligent tensile simulation device |
-
2020
- 2020-12-03 CN CN202011409511.0A patent/CN112402891A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023097729A1 (en) * | 2021-12-02 | 2023-06-08 | 杭州极智医疗科技有限公司 | Rope winding device |
| TWI838286B (en) | 2023-06-20 | 2024-04-01 | 祺驊股份有限公司 | Intelligent tensile simulation device |
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