CN112933508A - Infinitely variable speed adjusting device - Google Patents
Infinitely variable speed adjusting device Download PDFInfo
- Publication number
- CN112933508A CN112933508A CN202110124128.9A CN202110124128A CN112933508A CN 112933508 A CN112933508 A CN 112933508A CN 202110124128 A CN202110124128 A CN 202110124128A CN 112933508 A CN112933508 A CN 112933508A
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- fixed
- variable speed
- tensioning
- speed change
- cone
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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
- A63B21/06—User-manipulated weights
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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
- A63B21/00058—Mechanical means for varying the resistance
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Orthopedic Medicine & Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The application discloses a stepless speed change adjusting device which comprises a fixing frame fixed on the ground, wherein a tensioning cone and a fixing cone are rotatably connected to the fixing frame, and the tensioning cone and the fixing cone are both cones and are opposite in placement direction; an adjusting assembly is arranged on the fixing frame and comprises a stepless speed change adjusting disc, a speed change adjusting sliding seat and a speed change adjusting screw rod, the stepless speed change adjusting disc is fixed at one end of the speed change adjusting screw rod, the speed change adjusting screw rod is rotationally connected to the fixing frame, and the speed change adjusting sliding seat is sleeved on the speed change adjusting screw rod; the variable speed adjusting sliding seat is provided with a variable speed friction ring limiting plate, a variable speed friction ring is placed on the variable speed friction ring limiting plate, and the variable speed friction ring is sleeved on the fixed vertebral body. This application has the effect that improves the pulling force of regulation precision.
Description
Technical Field
The application relates to the technical field of fitness equipment, in particular to a stepless speed change adjusting device.
Background
Along with the continuous improvement of living standard of people, the attention degree of people to the physical health is continuously increased, the exercise and fitness become fashionable, the good physique is provided, the people can be full of vigor, the people can be better put into learning and working, the people can feel more confident, the learning and working rhythm of the people is fast, the idle time is not much, many people cannot go to places such as a gymnasium for physical exercise because of no time, the people have no condition for exercising, and therefore many people choose to purchase household fitness equipment for exercise.
In the related art, a chinese patent document with an authorization publication number of CN207429577U describes an adjustable balance weight for fitness equipment, which includes a plurality of balance weight blocks, a balance weight base, and an auxiliary balance weight block, wherein there is at least one balance weight block, the weights of the balance weight blocks are different, each balance weight block is provided with a fixing block, the balance weight block stacked on the top is correspondingly provided with a plurality of fixing grooves, the auxiliary balance weight block can be fixed in any fixing groove by the fixing block, and the maximum weight of the auxiliary balance weight block assembled is less than the weight of one balance weight block; the side surface of the fixed block comprises an inclined plane and a fixed plane, the wall of the fixed groove is correspondingly provided with an inclined groove surface and a fixed groove surface, the fixed plane is provided with a convex part, the convex part is provided with a fixed hole, the fixed groove surface is provided with a groove part, and the groove part is provided with a fixed mechanism; the fixed block and the auxiliary balancing weight are of an integrated structure, the protruding part is an arc-shaped bulge arranged on the side face of the fixed block, and the arc-shaped bulge extends to the bottom along the top of the auxiliary balancing weight; the fixing hole is located at one end, close to the top of the auxiliary balancing weight, of the protruding portion, and the protruding portion is provided with a pressing portion located at the bottom of the auxiliary balancing weight.
The counterweight mechanism of the existing fitness equipment changes the number of the counterweight blocks in a bolt mode so as to achieve the adjustment of the tension of the force in the fitness process, a plurality of counterweight blocks are stacked in a fixed chute, the counterweight blocks need two fixed sliding rods to fix the sliding routes of the counterweight blocks, and the counterweight blocks slide up and down along fixed sliding rails; the pull rod penetrates through all the balancing weights from top to bottom, a fixed bolt hole is formed in the pull rod and corresponds to a bolt hole in the middle of each balancing weight, the pull rod is pulled to move up and down in the body building process, the pull force is adjusted in the body building process, the bolt is inserted into the hole in the middle of each balancing weight and the corresponding hole in the pull rod to achieve the purpose of fixing the pull rod and the balancing weights, and therefore the adjustment of the pull force in the body building process is achieved.
The inventor thinks that current body-building apparatus balancing weight is fixed, adjusts the pulling force size and can only select fixed pulling force value, can't adjust arbitrary pulling force size, can't satisfy the body-building process and to the accurate regulation of pulling force scope.
Disclosure of Invention
In order to improve the precision of adjusting pulling force, this application provides a infinitely variable speed adjusting device.
The technical scheme is as follows: an infinitely variable speed adjusting device comprises a fixing frame fixed on the ground, wherein a tensioning cone and a fixing cone are rotatably connected to the fixing frame, and the tensioning cone and the fixing cone are both cones and are opposite in placement direction;
an adjusting assembly is arranged on the fixing frame and comprises a stepless speed change adjusting disc, a speed change adjusting sliding seat and a speed change adjusting screw rod, the stepless speed change adjusting disc is fixed at one end of the speed change adjusting screw rod, the speed change adjusting screw rod is rotationally connected to the fixing frame, and the speed change adjusting sliding seat is sleeved on the speed change adjusting screw rod;
the variable speed adjusting sliding seat is provided with a variable speed friction ring limiting plate, a variable speed friction ring is placed on the variable speed friction ring limiting plate, and the variable speed friction ring is sleeved on the fixed vertebral body.
As a preferable technical scheme, a stepless speed change digital indicating disc is arranged on one side, close to the stepless speed change adjusting disc, of the fixing frame.
As a preferred technical scheme, the adjusting assembly further comprises two variable speed adjusting slide rails, the two variable speed adjusting slide rails are fixed on the fixed frame in parallel, and the variable speed adjusting slide rail is in sliding fit with the variable speed adjusting slide rails.
As a preferable technical scheme, a fixed cone central shaft is fixed at the center of the fixed cone, and the fixed cone is rotatably connected to the fixed frame through the fixed cone central shaft.
As a preferred technical scheme, both ends of the fixed centrum central shaft are provided with non-return one-way bearings.
As a preferable technical scheme, one end of the central shaft of the fixed vertebral body is provided with a pull rope collector, and a pull rope is wound on the pull rope collector.
As a preferable technical solution, the outer surface of the pull rope collector is provided with a helical thread.
As a preferable technical scheme, the center of the tensioning cone is fixedly connected with a tensioning cone central shaft, and the tensioning cone is rotatably connected to the fixing frame through the tensioning cone central shaft.
As a preferable technical solution, a cone tensioning spring is arranged in the axial direction of the tensioning cone central shaft.
As a preferred technical scheme, one end of the central shaft of the tensioning cone body is provided with a force collection spring.
Has the advantages that: 1. according to user's needs, adjust not counter weight of equidimension, at first, rotate infinitely variable control adjusting disk, infinitely variable control adjusting disk drives variable speed adjusting screw and rotates, and variable speed adjusting screw's rotation drives variable speed and adjusts the slide along its axial motion, and then drives variable speed friction ring limiting plate and remove, finally drives variable speed friction ring and removes along the extending direction of fixed centrum, and the position that variable speed friction ring was in is different, and the size of counter weight is different, is close to the most advanced of fixed centrum more, and the counter weight is big more.
2. The design of the non-return-to-rotation one-way bearing ensures that the fixed cone can only rotate in one direction, thereby avoiding the reversal of the tensioning cone.
3. The design of the force collecting spring ensures that the elastic counter force generated by the tensioning cone tensioning spring keeps constant.
4. The design of infinitely variable digital indicator dish for infinitely variable adjusting dish rotates the number of turns and can specifically show, improves the precision of adjustment counterweight ratio.
5. By reducing the use of the balancing weight, the method has the advantage of reducing resource waste; the adjusting weight has a larger range and is not influenced by the weight of a single weight block to the minimum weight number.
6. The balance weight can be adjusted more freely without the limit of the weight of a single balancing weight.
7. The weight of the counterweight mechanism is reduced, so that the weight of the fitness equipment using the counterweight mechanism is reduced.
8. The counterweight mechanism is more environment-friendly, and because the fitness equipment has a certain service life, the traditional fitness equipment is provided with the counterweight block, and the counterweight block is also abandoned along with the service life of the fitness equipment; the counterweight mechanism does not need to utilize a counterweight block for counterweight, thereby achieving the purpose of environmental protection.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic front view of an embodiment of the present application;
FIG. 2 is a schematic diagram of a backside structure of an embodiment of the present application;
fig. 3 is a schematic cross-sectional view of an embodiment of the present application.
Reference numerals: 1. a fixing frame; 2. tensioning the vertebral body; 3. fixing the vertebral body; 4. tensioning the central axis of the vertebral body; 5. fixing the central axis of the vertebral body; 6. a spring fixing seat; 7. a rope pulling collector; 8. pulling a rope; 9. a pull rope collector one-way bearing; 10. pulling a rope to return the spring; 11. a stepless speed change adjusting disk; 12. a stepless speed change digital indicating disc; 13. a variable speed adjustment slide; 14. a variable speed adjustment slide rail; 15. a variable speed adjusting screw; 16. a rotation-stopping one-way bearing seat; 17. a rotation-stopping one-way bearing; 18. a force collection spring; 19. a vertebral body tensioning spring; 20. tensioning a spring limit pin; 21. a speed change friction ring limiting plate; 22. a variable speed friction ring.
Detailed Description
The disclosure of the present application may be understood more readily by reference to the following detailed description of preferred embodiments of the application and the examples included therein. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. In case of conflict, the present specification, including definitions, will control.
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. 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 application.
A stepless speed change adjusting device comprises a fixed frame 1, a tensioning cone 2, a fixed cone 3, a tensioning cone central shaft 4, a fixed cone central shaft 5, a spiral spring fixing seat 6, a pull rope collector 7, a pull rope 8, a pull rope collector one-way bearing 9, a pull rope return spiral spring 10, a stepless speed change adjusting disc 11, a stepless speed change digital indicating disc 12, a speed change adjusting sliding seat 13, a speed change adjusting sliding rail 14, a speed change adjusting screw rod 15, a non-return-to-one-way bearing seat 16, a non-return-to-one-way bearing 17, a force collecting spiral spring 18, a cone tensioning spring 19, a tensioning spring limiting pin 20, a speed change friction ring limiting plate 21 and a.
The tension cone central shaft 4 is a cylinder, the tension cone 2 and the tension cone central shaft 4 are fixed by welding, two ends of the tension cone central shaft 4 penetrate through the fixing frame 1 and can rotate freely, a tension spring limiting pin 20 is fixed on the tension cone central shaft 4 by welding, a cone tension spring 19 is installed on the tension cone central shaft 4 after being compressed, one end of the cone tension spring 19 is in contact with the tension spring limiting pin 20, the other end of the cone tension spring is in contact with the tension cone 2, the elasticity of the cone tension spring 19 enables the gap between the tension cone 2 and the fixed cone 3 to be reduced, the inner ring of the force collection spring 18 is fixed with the tail end of the tension cone central shaft 4 by welding, and the force collection spring 18 collects force exceeding a certain force and can be automatically released; a buffer part is arranged between the tensioning cone body 2 and the fixing frame 1.
Stay cord return clockwork spring 10 is equipped with to 7 front ends of stay cord collector, the outside of stay cord return clockwork spring 10 and the internal surface mounting of stay cord collector 7, the interior survey of stay cord return clockwork spring 10 is connected fixedly with clockwork spring fixing base 6, clockwork spring fixing base 6 and fixed frame 1 fixed connection, 7 surfaces of stay cord collector have the heliciform screw thread, stay cord 8 is along the heliciform screw thread winding of stay cord collector 7, the one end of stay cord 8 is fixed in stay cord collector 7, stay cord 8 other one end can upwards pull out 0 to 2 meters's length, stay cord 8 is 7 anticlockwise rotations of pull cord collector in-process, stay cord collector 7 transmits the revolving force to fixed centrum center pin 5 through stay cord collector one-way bearing 9, because fixed centrum center pin 5 is fixed with.
The anti-rotation one-way bearing 17 is fixed at the other end of the fixed centrum central shaft 5 through welding, the outer side of the anti-rotation one-way bearing 17 is fixed with the fixed frame 1 through the anti-rotation one-way bearing seat 16 through welding, when the pull rope 8 is automatically withdrawn clockwise through the pull rope return spring 10 and automatically wound along the spiral thread of the pull rope collector 7, the anti-rotation one-way bearing 17 prevents the fixed centrum central shaft 5 and the fixed centrum 3 from rotating, so that the fixed centrum 3 can only rotate anticlockwise in one direction through the pulling out and withdrawing of the pull rope 8.
The speed change friction ring 22 is installed between the fixed vertebral body 3 and the tensioning vertebral body 2, so that the tensioning vertebral body 2 generates clockwise rotating force through the friction force of the speed change friction ring 22 when the fixed vertebral body 3 rotates anticlockwise, the tensioning vertebral body 2 moves forwards through the vertebral body tensioning spring 19 in the tensioning vertebral body 2 so that the gap between the tensioning vertebral body 2 and the fixed vertebral body 3 is reduced, the speed change friction ring 22 is clamped, the friction force between the fixed vertebral body 3 and the tensioning vertebral body 2 is increased, the transmission of force is ensured, and the speed change friction ring 22 can move back and forth along the gap between the fixed vertebral body 3 and the tensioning vertebral body 2.
When the speed change friction ring 22 moves to the front end of the counterweight mechanism, the fixed vertebral body 3 is in a large-diameter state and tensions the vertebral body 2 to be in a small-diameter state, the fixed vertebral body 3 rotates for 7 circles to tension the vertebral body 2, otherwise, when the speed change friction ring 22 moves to the rear end of the counterweight mechanism, the fixed vertebral body 3 is in a small-diameter state and tensions the vertebral body 2 to be in a large-diameter state, the fixed vertebral body 3 rotates for 1/7 circles to tension the vertebral body 2, so that the speed change effect is achieved, the speed change friction ring 22 is fixed in the middle of the speed change friction ring fiberboard 21 to ensure that the speed change friction ring 22 does not swing up and down and back and forth in any state, the speed change friction ring limiting plate 21 is fixed on the speed change adjusting sliding seat 13, and when the speed change adjusting sliding seat 13 moves back.
Two ends of a variable speed adjusting seat 13 are mounted on a variable speed adjusting slide rail 14, a variable speed adjusting screw rod is mounted in the middle of the variable speed adjusting seat 13, the front end of the variable speed adjusting screw rod 15 is connected and fixed with a stepless variable speed adjusting disc 11, the stepless variable speed adjusting disc 11 is driven to rotate when rotating, so that the variable speed adjusting seat 13 moves back and forth, a pointer is arranged on the stepless variable speed adjusting disc 11, an adjusting number is arranged on a stepless variable speed digital indicating disc 12, and the stepless variable speed digital indicating disc 12 is fixed with a fixing frame 1.
The foregoing examples are merely illustrative and serve to explain some of the features of the methods described herein. The appended claims are intended to claim as broad a scope as is contemplated, and the examples presented herein are merely illustrative of selected implementations in accordance with all possible combinations of examples. Accordingly, it is applicants' intention that the appended claims are not to be limited by the choice of examples illustrating features of the present application. Also, where numerical ranges are used in the claims, subranges therein are included, and variations in these ranges are also to be construed as possible being covered by the appended claims.
Claims (10)
1. The utility model provides a infinitely variable speed adjusting device, is including fixing fixed frame (1) on ground, its characterized in that: the fixing frame (1) is rotatably connected with a tensioning cone body (2) and a fixing cone body (3), the tensioning cone body (2) and the fixing cone body (3) are both cone bodies, and the placing directions are opposite;
the adjustable speed regulating device is characterized in that a regulating component is arranged on the fixed frame (1), the regulating component comprises a stepless speed changing regulating disc (11), a speed changing regulating sliding seat (13) and a speed changing regulating screw rod (15), the stepless speed changing regulating disc (11) is fixed at one end of the speed changing regulating screw rod (15), the speed changing regulating screw rod (15) is rotatably connected to the fixed frame (1), and the speed changing regulating sliding seat (13) is sleeved on the speed changing regulating screw rod (15);
be provided with variable speed friction ring limiting plate (21) on variable speed regulation slide (13), variable speed friction ring (22) have been placed on variable speed friction ring limiting plate (21), and variable speed friction ring (22) cover is established on fixed centrum (3).
2. A continuously variable adjustment device as claimed in claim 1, characterized in that: one side of the fixed frame (1) close to the stepless speed change adjusting disc (11) is provided with a stepless speed change digital indicating disc (12).
3. A continuously variable adjustment device as claimed in claim 2, characterized in that: the adjusting component further comprises two variable speed adjusting slide rails (14), the two variable speed adjusting slide rails (14) are fixed on the fixing frame (1) in parallel, and the variable speed adjusting slide seat (13) is in sliding fit with the variable speed adjusting slide rails (14).
4. A continuously variable adjustment device as claimed in claim 1, characterized in that: the center of the fixed cone body (3) is fixed with a fixed cone body center shaft (5), and the fixed cone body (3) is rotatably connected to the fixed frame (1) through the fixed cone body center shaft (5).
5. A continuously variable adjustment device as claimed in claim 4, characterized in that: and two ends of the fixed centrum central shaft (5) are provided with non-return and non-return bearings (17).
6. A continuously variable adjustment device as claimed in claim 5, characterized in that: a pull rope collector (7) is arranged at one end of the fixed centrum central shaft (5), and a pull rope (8) is wound on the pull rope collector (7).
7. A continuously variable adjustment device as claimed in claim 6, characterized in that: the outer surface of the pull rope collector (7) is provided with spiral threads.
8. A continuously variable adjustment device as claimed in claim 1, characterized in that: the center of the tensioning cone body (2) is fixedly connected with a tensioning cone body central shaft (4), and the tensioning cone body (2) is rotatably connected to the fixing frame (1) through the tensioning cone body central shaft (4).
9. A continuously variable adjustment device as claimed in claim 8, characterized in that: a cone tensioning spring (19) is arranged in the axial direction of the tensioning cone central shaft (4).
10. A continuously variable adjustment device as claimed in claim 9, characterized in that: one end of the tensioning centrum central shaft (4) is provided with a force collecting clockwork spring (18).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110124128.9A CN112933508A (en) | 2021-01-29 | 2021-01-29 | Infinitely variable speed adjusting device |
| PCT/CN2021/111810 WO2022160659A1 (en) | 2021-01-29 | 2021-08-10 | Continuously variable transmission adjustment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110124128.9A CN112933508A (en) | 2021-01-29 | 2021-01-29 | Infinitely variable speed adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112933508A true CN112933508A (en) | 2021-06-11 |
Family
ID=76239362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110124128.9A Pending CN112933508A (en) | 2021-01-29 | 2021-01-29 | Infinitely variable speed adjusting device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN112933508A (en) |
| WO (1) | WO2022160659A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022160656A1 (en) * | 2021-01-29 | 2022-08-04 | 上海寅生科技有限公司 | Convenient stepless counterweight mechanism for fitness equipment |
| WO2022160659A1 (en) * | 2021-01-29 | 2022-08-04 | 上海寅生科技有限公司 | Continuously variable transmission adjustment device |
| CN114949754A (en) * | 2021-07-16 | 2022-08-30 | 上海寅生科技有限公司 | Training device for training upper limb strength capable of quickly and accurately adjusting balance weight |
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| DE3501440A1 (en) * | 1984-01-19 | 1985-07-25 | geb. Mutschler Marielle Ottrott Bas-Rhin Muller | Walking exercise appliance |
| EP0413871B1 (en) * | 1989-08-22 | 1993-06-16 | Paul Lin | An improved motorized treadmill speed changer |
| CN101292095A (en) * | 2005-08-31 | 2008-10-22 | 乌尔里克·罗斯 | Friction cone-type or infinitely variable transmission, and method for the operation or adjustment of an infinitely variable transmission |
| CN109289154A (en) * | 2018-11-04 | 2019-02-01 | 李宝光 | A kind of rotating disc type chest expander |
| CN210777494U (en) * | 2019-06-24 | 2020-06-16 | 楼志刚 | Stepless speed change demonstration model |
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| GB1179831A (en) * | 1966-01-19 | 1970-02-04 | Scient Exercising Equipment Lt | Apparatus for Exercising the Body |
| US7087001B1 (en) * | 2002-12-24 | 2006-08-08 | Ihli Stephen P | Portable handheld exercise apparatus which can be attached to a multiplicity of body parts |
| CN207346607U (en) * | 2017-09-21 | 2018-05-11 | 东风设计研究院有限公司 | A kind of Weight type tension weight device |
| CN110051968A (en) * | 2019-04-21 | 2019-07-26 | 张局 | The body-building equipment counter weight device of the energy stepless changing resistance of motion |
| CN112933509A (en) * | 2021-01-29 | 2021-06-11 | 上海寅生科技有限公司 | Convenient electrodeless counter weight mechanism of fitness equipment |
| CN112933508A (en) * | 2021-01-29 | 2021-06-11 | 上海寅生科技有限公司 | Infinitely variable speed adjusting device |
| CN112933503A (en) * | 2021-01-29 | 2021-06-11 | 上海寅生科技有限公司 | Variable-speed friction ring for stepless counterweight mechanism |
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2021
- 2021-01-29 CN CN202110124128.9A patent/CN112933508A/en active Pending
- 2021-08-10 WO PCT/CN2021/111810 patent/WO2022160659A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3501440A1 (en) * | 1984-01-19 | 1985-07-25 | geb. Mutschler Marielle Ottrott Bas-Rhin Muller | Walking exercise appliance |
| EP0413871B1 (en) * | 1989-08-22 | 1993-06-16 | Paul Lin | An improved motorized treadmill speed changer |
| CN101292095A (en) * | 2005-08-31 | 2008-10-22 | 乌尔里克·罗斯 | Friction cone-type or infinitely variable transmission, and method for the operation or adjustment of an infinitely variable transmission |
| CN109289154A (en) * | 2018-11-04 | 2019-02-01 | 李宝光 | A kind of rotating disc type chest expander |
| CN210777494U (en) * | 2019-06-24 | 2020-06-16 | 楼志刚 | Stepless speed change demonstration model |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022160656A1 (en) * | 2021-01-29 | 2022-08-04 | 上海寅生科技有限公司 | Convenient stepless counterweight mechanism for fitness equipment |
| WO2022160659A1 (en) * | 2021-01-29 | 2022-08-04 | 上海寅生科技有限公司 | Continuously variable transmission adjustment device |
| CN114949754A (en) * | 2021-07-16 | 2022-08-30 | 上海寅生科技有限公司 | Training device for training upper limb strength capable of quickly and accurately adjusting balance weight |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022160659A1 (en) | 2022-08-04 |
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Application publication date: 20210611 |