CN113018761B - Weight-balancing-free body builder with stepless adjustable tension - Google Patents
Weight-balancing-free body builder with stepless adjustable tension Download PDFInfo
- Publication number
- CN113018761B CN113018761B CN202110203110.8A CN202110203110A CN113018761B CN 113018761 B CN113018761 B CN 113018761B CN 202110203110 A CN202110203110 A CN 202110203110A CN 113018761 B CN113018761 B CN 113018761B
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- Prior art keywords
- sliding seat
- pull rod
- seat
- sliding
- weight
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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
- A63B21/02—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using resilient force-resisters
- A63B21/055—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using resilient force-resisters extension element type
- A63B21/0552—Elastic ropes or bands
-
- 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
- A63B21/02—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using resilient force-resisters
- A63B21/055—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using resilient force-resisters extension element type
- A63B21/0552—Elastic ropes or bands
- A63B21/0557—Details of attachments, e.g. clips or clamps
Abstract
The invention discloses a weight-balancing free body builder with stepless adjustable tension, which comprises: support, sliding seat, actuating mechanism, pull rod, spacing seat, elastic component and stay cord. The sliding seat can be arranged on the bracket in a way of moving up and down; the driving mechanism is arranged on the bracket and connected with the sliding seat to drive the sliding seat to move up and down; the pull rod is arranged on one side of the sliding seat, and the lower end of the pull rod is rotationally connected with the bracket; the limiting seat is slidably arranged on the sliding seat; one end of the elastic piece is connected with the sliding seat, the other end of the elastic piece is connected with the limiting seat, and the elastic piece drives the limiting seat to abut against the pull rod; the pull rope is connected with the pull rod. This fitness equipment can change the stress point of pull rod through the position that changes the sliding seat, and then realizes pulling force's electrodeless regulation, and adjustment process is simple, and convenient to use thinks about ingeniously, can not use the balancing weight under this kind of structural style moreover to alleviateed the weight of device greatly, made the device structure small and exquisite, convenient transportation installation.
Description
Technical Field
The invention relates to the technical field of fitness, in particular to a weight distribution-free fitness device with stepless adjustable tension.
Background
Pulling force body-building apparatus all is equipped with the counter weight structure usually, and current counter weight structure generally is the balancing weight, has a plurality of balancing weights to stack in a fixed spout promptly, is equipped with two fixed guide rails in the spout, and every balancing weight is worn to overlap on the guide rail and can be followed the guide rail and slided, then has a pull rod from top to bottom to pass all balancing weights to there is the bolt hole correspondence in the middle of fixed bolt hole and every balancing weight on the pull rod. The pull training can be realized by pulling the pull rod to move up and down during body building, wherein the bolt penetrates through the holes in the middle of different balancing weights and is inserted into the corresponding hole in the pull rod to achieve the purpose of adjusting the pull force of the fixed pull rod and the balancing weights in the body building process.
The structure has a plurality of defects, for example, the weight of the body builder is very large due to the fact that a plurality of balancing weights need to be preset in the balancing weight structure, the tension adjusting process is complicated, the body builder needs to be operated in a static state, the operation process is achieved by adjusting a bolt to be inserted into the balancing weights and penetrate through the tension rod, the bolt needs to be inserted and pulled out in each adjusting process, and the problems that the bolt is difficult to insert, the friction force in the inserting process is large and the like can occur; and 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 body-building process to accurate regulation and so on of pulling force scope, therefore very necessary design a neotype fitness equipment.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention aims to provide a weight-balancing-free body builder with stepless adjustable tension.
The technical scheme of the invention is as follows: a weight-balancing-free body builder with infinitely adjustable tension force comprises: a support; the sliding seat is arranged on the bracket in a manner of moving up and down; the driving mechanism is arranged on the bracket and connected with the sliding seat to drive the sliding seat to move up and down; the pull rod is arranged on one side of the sliding seat, and the lower end of the pull rod is rotatably connected with the bracket; the limiting seat is slidably arranged on the sliding seat; one end of the elastic piece is connected with the sliding seat, the other end of the elastic piece is connected with the limiting seat, and the elastic piece drives the limiting seat to be abutted against the pull rod; the pull rope is connected with the pull rod and suitable for pulling the pull rod to swing towards the direction close to the center of the sliding seat, and the elastic force of the elastic piece needs to be overcome to push the limiting seat to slide in the swinging process of the pull rod.
Furthermore, the support is provided with a vertical guide rod, the sliding seat is provided with a guide hole, and the guide hole is in sliding fit with the guide rod.
Further, actuating mechanism includes driving piece, lead screw and nut, the vertical setting of lead screw is installed with rotating on the support, the nut is fixed to be located on the sliding seat, the nut with lead screw thread fit, the driving piece is used for the drive the lead screw rotates.
Furthermore, the driving part comprises an adjusting wheel, a wheel shaft, a first bevel gear and a second bevel gear, the adjusting wheel is rotatably installed on the support, the wheel shaft is arranged on the adjusting wheel, the first bevel gear is arranged at one end, far away from the adjusting wheel, of the wheel shaft, the second bevel gear is arranged on the screw rod, and the first bevel gear is meshed with the second bevel gear.
Furthermore, the elastic part is a nitrogen spring, one end of the nitrogen spring is rotationally connected with the sliding seat, and the other end of the nitrogen spring is rotationally connected with the limiting seat.
Furthermore, a bearing is rotatably arranged on the limiting seat and is abutted against the pull rod.
Furthermore, a sliding groove is formed in the sliding seat, a sliding rod is arranged on the limiting seat, and the sliding rod is in sliding fit with the sliding groove.
Further, the slide groove extends obliquely downward in a direction from the draw bar to the center of the slide holder.
Furthermore, the support is provided with a fixed pulley, the fixed pulley is positioned above the sliding seat, the support is also provided with a rope penetrating hole, one end of the rope is connected with the upper end of the pull rod, and the other end of the rope bypasses the fixed pulley to extend upwards and penetrate through the rope penetrating hole.
Compared with the prior art, the invention has the following beneficial effects:
different with the utilization bolt that has the balancing weight among the prior art and adjust tensile body-building equipment, the inventor develops a new way here, creatively has designed a neotype body-building equipment, this body-building equipment can change the stress point of pull rod through the position that changes the sliding seat, and then realize the electrodeless regulation to tensile, adjustment process is simple, high durability and convenient use, think about ingeniously, and can not use the balancing weight under this kind of structural style, thereby the weight of device has been alleviateed greatly, make the device structure small and exquisite, the easy transportation installation.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention 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 invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts:
FIG. 1 is a perspective view from one side of the present invention;
FIG. 2 is a perspective view from another side of the present invention;
FIG. 3 is a perspective view of the present invention with the upper fixing plate removed;
fig. 4 is a perspective view of the present invention with an upper fixing plate removed.
Reference numerals:
1. a support; 2. a sliding seat; 3. a pull rod; 4. a limiting seat; 5. an elastic member; 6. pulling a rope; 7. a guide bar; 8. a screw rod; 9. a nut; 10. an adjustment wheel; 11. an axle; 12. a first bevel gear; 13. a second bevel gear; 14. a bearing; 15. a chute; 16. a slide bar; 17. a fixed pulley; 18. a slider; 19. a connecting plate; 20. a screw rod fixing seat; 21. a pull rod mounting seat; 22. a fixed mount; 23. an upper fixing plate; 24. and a lower fixing plate.
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 obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", "vertical", "circumferential", "radial", "axial", and the like, are used in an orientation or positional relationship indicated on the basis of the orientation or positional relationship shown in the drawings, which is for convenience of description and simplicity of description only, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the present invention, unless otherwise specifically stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
A weight-free type exercise machine with stepless adjustment of the pulling force according to an embodiment of the present invention will be described with reference to the accompanying drawings, fig. 1-4, wherein the device comprises: the device comprises a support 1, a sliding seat 2, a driving mechanism, a pull rod 3, a limiting seat 4, an elastic piece 5 and a pull rope 6.
As shown in fig. 3 and 4, the sliding seat 2 is installed on the bracket 1 to be movable up and down; the driving mechanism is arranged on the bracket 1 and connected with the sliding seat 2 to drive the sliding seat 2 to move up and down; the pull rod 3 is arranged on one side of the sliding seat 2, and the lower end of the pull rod 3 is rotatably connected with the bracket 1; the limiting seat 4 is slidably arranged on the sliding seat 2; one end of the elastic piece 5 is connected with the sliding seat 2, the other end is connected with the limiting seat 4, and the elastic piece 5 drives the limiting seat 4 to be abutted against the pull rod 3; the pull rope 6 is connected with the pull rod 3, the pull rope 6 is suitable for pulling the pull rod 3 to swing towards the direction close to the center of the sliding seat 2, and the pull rod 3 needs to overcome the elasticity of the elastic part 5 to push the limiting seat 4 to slide in the swinging process.
Specifically, the working principle of the device is as follows: after the body builder is assembled, the limiting seat 4 can be abutted against the pull rod 3 under the action of the elastic force of the elastic part 5, when a user uses the body builder to exercise the pulling force, after the pulling rope 6 is pulled by force, the pulling rope 6 can pull the pull rod 3 to swing towards the direction close to the center of the sliding seat 2, and in the process, the pull rod 3 needs to overcome the elastic force of the elastic part 5 to push the limiting seat 4 to slide, so that the action of the exercise pulling force is realized; when the pulling force needs to be adjusted, the driving mechanism can drive the sliding seat 2 to move up and down, when the sliding seat 2 moves up and down, the elastic piece 5 and the limiting seat 4 can also move up and down along with the sliding seat 2, so that the abutting position point of the limiting seat 4 and the pull rod 3 can be changed, the resistance torque applied to the pull rod 3 in the swinging process can be changed, the adjustment of the pulling force is realized, and the up and down positions of the sliding seat 2 can be adjusted steplessly, so that the stepless adjustment of the pulling force can be realized, the flexibility of the pulling force adjustment is greatly improved, and different training requirements of different users can be met.
In conclusion, different from the fitness equipment which is provided with a balancing weight and utilizes a bolt to adjust tension in the prior art, the inventor develops a new method here, creatively designs a novel fitness equipment, the stress point of a pull rod 3 can be changed by changing the position of a sliding seat 2 of the fitness equipment, and then stepless adjustment of tension is realized, the adjustment process is simple, the use is convenient, the concept is ingenious, and the balancing weight can not be used under the structural form, so that the weight of the device is greatly reduced, the structure of the device is small and exquisite, and the transportation and installation are convenient.
The specific structure of the apparatus will be described in detail below.
In this embodiment, as shown in fig. 1 and 2, the bracket 1 includes an upper fixing plate 23 and a lower fixing plate 24, and the sliding seat 2 and the pull rod 3 are disposed between the upper fixing plate 23 and the lower fixing plate 24.
In this embodiment, as shown in fig. 3, the sliding seat 2 includes two sliding blocks 18 and two connecting plates 19, the two sliding blocks 18 are arranged oppositely along the left and right direction, the two connecting plates 19 are arranged on the front and rear sides of the sliding blocks 18, the left and right ends of the connecting plates 19 are connected with the two sliding blocks 18, and the pull rod 3 and the limiting seat 4 are arranged between the two connecting plates 19, so that the structural compactness of the device can be improved.
In this embodiment, as shown in fig. 2 and 3, the vertical guide rod 7 is arranged on the support 1, and the sliding seat 2 is provided with a guide hole, and the guide hole is in sliding fit with the guide rod 7, so that the guide function of guiding the up-and-down movement of the sliding seat 2 can be achieved. Specifically, the guide rods 7 are connected between the upper fixing plate 23 and the lower fixing plate 24, the two guide rods 7 are provided, the two guide rods 7 face each other in the left-right direction, the two sliders 18 are provided with guide holes, and the two sliders 18 are slidably engaged with the two guide rods 7, respectively.
In this embodiment, a bushing is fixedly disposed in the guide hole, the guide rod 7 is disposed in the bushing in a penetrating manner, and the bushing can reduce abrasion between the sliding seat 2 and the guide rod 7.
In this embodiment, as shown in fig. 3, the driving mechanism includes a driving member, a screw rod 8 and a nut 9, the screw rod 8 is vertically arranged and rotatably installed on the support 1, the nut 9 is fixedly arranged on the sliding seat 2, the nut 9 is in threaded fit with the screw rod 8, the driving member is used for driving the screw rod 8 to rotate, therefore, when the screw rod 8 rotates, the nut 9 can be made to move up and down and further drive the sliding seat 2 to move up and down, the stepless adjustment of the sliding seat 2 at any position in the up-and-down direction can be conveniently realized by the structural form, the screw rod 8 and the nut 9 have self-locking performance, after the screw rod 8 stops rotating, the nut 9 cannot move, and therefore the sliding seat 2 cannot move, and the use safety of the device is improved.
Specifically, as shown in fig. 4, the nut 9 is fixedly disposed between two connecting plates 19, the lower fixing plate 24 is provided with a lead screw fixing seat 20, and the lower end of the lead screw 8 is rotatably connected to the lead screw fixing seat 20.
In this embodiment, as shown in fig. 3, the driving member includes an adjusting wheel 10, a wheel shaft 11, a first bevel gear 12 and a second bevel gear 13, the adjusting wheel 10 is rotatably mounted on the bracket 1, the wheel shaft 11 is disposed on the adjusting wheel 10, the first bevel gear 12 is disposed at an end of the wheel shaft 11 away from the adjusting wheel 10, the second bevel gear 13 is disposed on the lead screw 8, and the first bevel gear 12 is meshed with the second bevel gear 13, so that the lead screw 8 can be driven to rotate through transmission of the first bevel gear 12 and the second bevel gear 13 by manually rotating the adjusting wheel 10, and the arrangement of the first bevel gear 12 and the second bevel gear 13 can improve the compactness of the device.
Of course, the drive element can also have another design, which is not limited here.
In this embodiment, as shown in fig. 4, a pull rod mounting seat 21 is disposed on the bracket 1 (e.g., the lower fixing plate 24), the pull rod mounting seat 21 is located below the sliding seat 2, and the lower end of the pull rod 3 is rotatably connected to the pull rod mounting seat 21.
In this embodiment, as shown in fig. 2 and 4, a fixed pulley 17 is disposed on the bracket 1 (e.g., the upper fixing plate 23), the fixed pulley 17 is located above the sliding seat 2, a rope threading hole is further disposed on the bracket 1, one end of the pull rope 6 is connected to the upper end of the pull rod 3, the other end of the pull rope extends upward around the fixed pulley 17 and passes through the rope threading hole, and the disposed fixed pulley 17 can change a winding path of the pull rope 6, so as to facilitate pulling the pull rod 3 to swing.
In this embodiment, as shown in fig. 3 and 4, the bearing 14 is rotatably disposed on the limiting seat 4, and the bearing 14 abuts against the pull rod 3, so that the rotation of the bearing 14 can reduce the frictional resistance applied to the pull rod 3, thereby facilitating the swing of the pull rod 3. The bearing 14 is a needle bearing 14, and of course, the bearing 14 may be of another type, which is not limited herein.
In this embodiment, as shown in fig. 4, a sliding slot 15 is formed on the sliding seat 2 (for example, a connecting plate 19 shown in the figure), a sliding rod 16 is formed on the limiting seat 4, and the sliding rod 16 is in sliding fit with the sliding slot 15, so that the guiding and limiting function can be performed on the movement of the limiting seat 4, and the use safety of the device is improved.
In the present embodiment, as shown in fig. 4, the slide groove 15 extends obliquely downward in a direction from the drawbar 3 to the center of the slide holder 2 (e.g., in a direction from right to left as viewed in the drawing), thereby facilitating the swinging of the drawbar 3.
In this embodiment, as shown in fig. 3, the elastic member 5 is a nitrogen spring, which is a novel elastic assembly using high-pressure nitrogen as a working medium, and has a small volume, a large elastic force, a long stroke, a stable operation, a long service life, and a constant elastic force in a stretching process, wherein one end of the nitrogen spring is rotatably connected to the sliding seat 2, and the other end of the nitrogen spring is rotatably connected to the limiting seat 4, so that the nitrogen spring can be flexibly adjusted in position when the nitrogen spring is extruded.
Of course, the elastic member 5 may be in other forms, which are not limited herein.
In this embodiment, as shown in fig. 3, a fixing frame 22 is disposed at one end of the sliding rod 16 away from the limiting seat 4, the fixing frame 22 and one end of the connecting plate 19 away from the pull rod 3 are bent to form a shape of '21274', openings of the two are opposite, one end of the nitrogen spring is rotatably disposed at the opening of the fixing frame 22, and the other end of the nitrogen spring is rotatably disposed at the opening of the connecting plate 19 away from the pull rod 3, so that the nitrogen spring is conveniently mounted, and the fixing frame 22 and the connecting plate 19 in this structural form have high structural strength and are not easily damaged.
In the present embodiment, as shown in fig. 3, the nitrogen spring is disposed diagonally downward in a direction from the tie bar 3 to the center of the slide holder 2 (e.g., in a direction from right to left as viewed in the drawing).
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (8)
1. A weight-balancing-free body builder with stepless adjustable tension force is characterized by comprising:
a support;
the sliding seat is arranged on the bracket in a manner of moving up and down;
the driving mechanism is arranged on the support and is connected with the sliding seat to drive the sliding seat to move up and down, the driving mechanism comprises a driving piece, a screw rod and a nut, the screw rod is vertically arranged and rotatably mounted on the support, the nut is fixedly arranged on the sliding seat, the nut is in threaded fit with the screw rod, and the driving piece is used for driving the screw rod to rotate;
the pull rod is arranged on one side of the sliding seat, and the lower end of the pull rod is rotatably connected with the bracket;
the limiting seat is slidably arranged on the sliding seat;
one end of the elastic piece is connected with the sliding seat, the other end of the elastic piece is connected with the limiting seat, and the elastic piece drives the limiting seat to be abutted against the pull rod;
the pull rope is connected with the pull rod and suitable for pulling the pull rod to swing towards the direction close to the center of the sliding seat, and the elastic force of the elastic piece needs to be overcome to push the limiting seat to slide in the swinging process of the pull rod.
2. The weight-balancing free body builder with stepless adjustable tension force as claimed in claim 1, wherein the bracket is provided with a vertical guide rod, the sliding seat is provided with a guide hole, and the guide hole is in sliding fit with the guide rod.
3. The weight-balancing-free body builder with the tension capable of being adjusted steplessly as claimed in claim 1, wherein the driving member comprises an adjusting wheel, a wheel shaft, a first bevel gear and a second bevel gear, the adjusting wheel is rotatably mounted on the bracket, the wheel shaft is arranged on the adjusting wheel, the first bevel gear is arranged at one end of the wheel shaft, which is far away from the adjusting wheel, the second bevel gear is arranged on the screw rod, and the first bevel gear is meshed with the second bevel gear.
4. The weight-balancing-free body builder with stepless adjustable tension force according to claim 1, wherein the elastic member is a nitrogen spring, one end of the nitrogen spring is rotatably connected with the sliding seat, and the other end of the nitrogen spring is rotatably connected with the limiting seat.
5. The weight-balancing free body builder with the tension capable of being adjusted steplessly as claimed in claim 1, wherein a bearing is rotatably arranged on the limiting seat, and the bearing is abutted with the pull rod.
6. The weight-balancing-free body builder with stepless adjustable tension force according to claim 1, wherein the sliding seat is provided with a sliding groove, the limiting seat is provided with a sliding rod, and the sliding rod is in sliding fit with the sliding groove.
7. The weight-balancing exercise machine with infinitely adjustable pulling force of claim 6, wherein the sliding groove extends obliquely downward in a direction from the pull rod to the center of the sliding seat.
8. The weight-balancing free body builder with the tension capable of being adjusted steplessly as claimed in claim 1, wherein the bracket is provided with a fixed pulley, the fixed pulley is located above the sliding seat, the bracket is further provided with a rope threading hole, one end of the rope is connected with the upper end of the pull rod, and the other end of the rope passes around the fixed pulley and extends upwards to pass through the rope threading hole.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110203110.8A CN113018761B (en) | 2021-02-23 | 2021-02-23 | Weight-balancing-free body builder with stepless adjustable tension |
| PCT/CN2021/111792 WO2022179055A1 (en) | 2021-02-23 | 2021-08-10 | Counterweight-free body-building device with stepless adjustable tension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110203110.8A CN113018761B (en) | 2021-02-23 | 2021-02-23 | Weight-balancing-free body builder with stepless adjustable tension |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113018761A CN113018761A (en) | 2021-06-25 |
| CN113018761B true CN113018761B (en) | 2022-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110203110.8A Active CN113018761B (en) | 2021-02-23 | 2021-02-23 | Weight-balancing-free body builder with stepless adjustable tension |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN113018761B (en) |
| WO (1) | WO2022179055A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113018761B (en) * | 2021-02-23 | 2022-12-13 | 上海寅生科技有限公司 | Weight-balancing-free body builder with stepless adjustable tension |
| CN115355240B (en) * | 2022-10-21 | 2023-03-14 | 阿镨图斯(常州)智能科技有限公司 | Folding positioning mechanism |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5316534A (en) * | 1992-02-14 | 1994-05-31 | Proform Fitness Products, Inc. | Multipurpose exercise machine |
| US6120421A (en) * | 1998-04-10 | 2000-09-19 | Kuo; Kevin Yen-Fu | Multifunctional miniature exercise device |
| US7462141B1 (en) * | 2005-01-06 | 2008-12-09 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Advanced resistive exercise device |
| MX369945B (en) * | 2013-10-16 | 2019-11-27 | Bucay Bissu Moises | Resisting system for making variable mechanical resistance exercises. |
| KR101481598B1 (en) * | 2014-09-22 | 2015-01-14 | (주)제일체육공사 | Field sports outfit having device for adjusting strength |
| CN206675899U (en) * | 2017-03-31 | 2017-11-28 | 重庆城市职业学院 | A kind of adjustable chest-developer of arm strength |
| CN107361996A (en) * | 2017-08-11 | 2017-11-21 | 哈工大机器人（合肥）国际创新研究院 | A kind of stepless adjustment device suitable for healing robot four limbs length |
| CN108704253A (en) * | 2018-08-02 | 2018-10-26 | 四川尚美健身器材有限公司 | A kind of strength instrument resistance linear regulation 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 |
| CN113018762B (en) * | 2021-02-23 | 2022-12-09 | 上海寅生科技有限公司 | Pull rod structure and body-building device with same |
| CN113018761B (en) * | 2021-02-23 | 2022-12-13 | 上海寅生科技有限公司 | Weight-balancing-free body builder with stepless adjustable tension |
-
2021
- 2021-02-23 CN CN202110203110.8A patent/CN113018761B/en active Active
- 2021-08-10 WO PCT/CN2021/111792 patent/WO2022179055A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| CN113018761A (en) | 2021-06-25 |
| WO2022179055A1 (en) | 2022-09-01 |
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