CN112891821A

CN112891821A - Electrodeless counter weight structure and have its fitness equipment

Info

Publication number: CN112891821A
Application number: CN202110203765.5A
Authority: CN
Inventors: 李寅生
Original assignee: Shanghai Yinsheng Technology Co ltd
Current assignee: Shanghai Yinsheng Technology Co ltd
Priority date: 2021-02-23
Filing date: 2021-02-23
Publication date: 2021-06-04
Anticipated expiration: 2041-02-23
Also published as: WO2022179056A1; CN112891821B

Abstract

The invention discloses an electrodeless counterweight structure and a body builder with the same, wherein the electrodeless counterweight structure comprises: a support; the sliding seat is arranged on the bracket in a manner of moving up and down; actuating mechanism, actuating mechanism include driving piece, lead screw and nut, and the vertical setting of lead screw is rotated and is installed on the support, and the nut is fixed to be located on the sliding seat, nut and lead screw thread fit, and the driving piece is used for driving the lead screw and rotates and reciprocate in order to drive the sliding seat. The structure can conveniently realize stepless adjustment of the slide seat at any position in the up-down direction, the screw rod nut has self-locking performance, and the nut cannot move after the screw rod stops rotating, so that the slide seat cannot move, the use safety is improved, and therefore when the counterweight structure is applied to the body builder, stepless adjustment of the tension of the body builder is facilitated.

Description

Electrodeless counter weight structure and have its fitness equipment

Technical Field

The invention relates to the technical field of fitness, in particular to an electrodeless counterweight structure and a fitness device with the same.

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 all wears to overlap on the guide rail and can follow the guide rail and slide, 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 building device 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 operation needs to be carried out in a static state of the body building device, the operation process is that the balancing weights are inserted through adjusting bolts to penetrate through tension rods to achieve the fixing purpose, the inserting and pulling adjustment needs to be carried out on the bolts in each adjusting process, and the problems that the bolts are 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 the accurate regulation of pulling force scope etc. consequently it replaces traditional balancing weight form to need to design a neotype counter weight structure very much.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. To this end, an object of the present invention is to provide an electrodeless counterweight structure.

Another object of the present invention is to provide an exercise machine including the above stepless counterweight structure.

The technical scheme of the invention is as follows: an electrodeless counterweight structure, comprising: a support; the sliding seat is arranged on the bracket in a manner of moving up and down; the driving mechanism comprises a driving piece, a screw rod and a nut, the screw rod is vertically arranged and rotatably installed 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 so as to drive the sliding seat to move up and down.

Further, the support comprises an upper fixing plate and a lower fixing plate, a vertical guide rod is connected between the upper fixing plate and the lower fixing plate, a guide hole is formed in the sliding seat, and the guide hole is in sliding fit with the guide rod.

Furthermore, a bushing is fixedly arranged in the guide hole, and the guide rod penetrates through the bushing.

Furthermore, a screw rod fixing seat is arranged on the lower fixing plate, and the lower end of the screw rod is rotatably connected with the screw rod fixing seat.

Furthermore, the sliding seat comprises two sliding blocks and two connecting plates, the two sliding blocks are provided with the guide holes and are arranged oppositely along the left and right directions, the two connecting plates are respectively arranged on the front side and the rear side of the sliding blocks, and the left end and the right end of each connecting plate are respectively connected with the two sliding blocks; the guide rods are two, the two guide rods are opposite in the left-right direction, and the two sliding blocks are respectively in sliding fit with the two guide rods.

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.

An exercise machine comprises the stepless counterweight structure.

Compared with the prior art, the invention has the following beneficial effects:

when the driving piece drives the screw rod to rotate, the nut can be made to move up and down to further drive the sliding seat to move up and down, the stepless adjustment of the sliding seat at any position in the up-and-down direction can be conveniently realized by the structural form, the screw rod nut has self-locking performance, after the screw rod stops rotating, the nut cannot move, so that the sliding seat cannot move, the use safety is improved, and therefore when the counterweight structure is applied to a body builder, the stepless adjustment of the tension of the body builder is facilitated.

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. a wheel axle; 12. a first bevel gear; 13. a second bevel gear; 14. a slider; 15. a connecting plate; 16. an upper fixing plate; 17. a lower fixing plate; 18. a bushing; 19. lead screw fixing seat.

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.

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, indicate orientations and positional relationships based on those shown in the drawings, are only for convenience in describing the present invention and simplifying the description, 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, should not 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 by those skilled in the art according to specific situations.

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 implicitly indicating 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.

An endless counterweight structure and an exercise machine having the same according to an embodiment of the present invention will be described below with reference to fig. 1 to 4 of the drawings, the endless counterweight structure including: the device comprises a bracket 1, a sliding seat 2 and a driving mechanism; the sliding seat 2 is arranged on the bracket 1 in a way of moving up and down; actuating mechanism includes driving piece, lead screw 8 and nut 9, and 8 vertical settings of lead screw are rotated and are installed on support 1, and nut 9 is fixed to be located on sliding seat 2, and nut 9 and 8 screw-thread fit of lead screw, driving piece are used for driving 8 rotations of lead screw in order to drive sliding seat 2 and reciprocate.

Particularly, when driving piece drive lead screw 8 rotates, alright make nut 9 reciprocate and then drive sliding seat 2 reciprocate, this kind of structural style can conveniently realize the electrodeless adjustment of sliding seat 2 optional position in the upper and lower direction, and lead screw 8 nut 9 has the auto-lock nature, after lead screw 8 stall, nut 9 can't remove, thereby sliding seat 2 can't remove, the safety in utilization has been improved, when this kind of counter weight structure is used on the fitness equipment, be favorable to conveniently realizing the electrodeless adjustment of fitness equipment pulling force, this kind of electrodeless counter weight structural style is simple, the adjustment is convenient, compare in the structure that adopts the balancing weight, can effectively alleviate the weight of fitness equipment, be convenient for installation and transportation.

In order to further explain the working principle of the stepless counterweight structure, the structure of the exercise machine will be further explained below. As shown in fig. 3 and 4, the body-building device comprises a pull rod 3, a limit seat 4, an elastic piece 5, a pull rope 6 and the stepless counterweight structure,

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.

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.

The specific form of the electrodeless weighting structure will be described in detail below.

In this embodiment, as shown in fig. 1 and 2, the bracket 1 includes an upper fixing plate 16 and a lower fixing plate 17, and the sliding seat 2 and the pull rod 3 are disposed between the upper fixing plate 16 and the lower fixing plate 17.

In this embodiment, as shown in fig. 3, the sliding seat 2 includes two sliding blocks 14 and two connecting plates 15, the two sliding blocks 14 are arranged oppositely along the left and right direction, the two connecting plates 15 are arranged on the front and rear sides of the sliding blocks 14, and the left and right ends of the connecting plates 15 are connected to the two sliding blocks 14, 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 16 and the lower fixing plate 17, the number of the guide rods 7 is two, the two guide rods 7 face each other in the left-right direction, the two sliders 14 are provided with guide holes, and the two sliders 14 are slidably engaged with the two guide rods 7, respectively.

In this embodiment, the bushing 18 is fixedly disposed in the guide hole, the guide rod 7 is disposed in the bushing 18 in a penetrating manner, and the bushing 18 is disposed to reduce wear between the sliding seat 2 and the guide rod 7.

In this embodiment, as shown in fig. 4, the nut 9 is fixedly disposed between the two connecting plates 15, the lower fixing plate 17 is provided with a lead screw fixing seat 19, and the lower end of the lead screw 8 is rotatably connected to the lead screw fixing seat 19.

In this embodiment, as shown in fig. 3, the driving member includes an adjusting wheel 10, a wheel axle 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 axle 11 is disposed on the adjusting wheel 10, the first bevel gear 12 is disposed at an end of the wheel axle 11 away from the adjusting wheel 10, the second bevel gear 13 is disposed on the screw rod 8, the first bevel gear 12 is engaged with the second bevel gear 13, so that the adjusting wheel 10 can be manually rotated to drive the screw rod 8 to rotate through transmission of the first bevel gear 12 and the second bevel gear 13, and the first bevel gear 12 and the second bevel gear 13 can improve the compactness of the device.

Of course, the driving member may have another structure, and is not limited herein.

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

1. An electrodeless counterweight structure, comprising:

a support;

the sliding seat is arranged on the bracket in a manner of moving up and down;

the driving mechanism comprises a driving piece, a screw rod and a nut, the screw rod is vertically arranged and rotatably installed 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 so as to drive the sliding seat to move up and down.

2. The electrodeless balance weight structure as claimed in claim 1, wherein the bracket comprises an upper fixing plate and a lower fixing plate, a vertical guide rod is connected between the upper fixing plate and the lower fixing plate, and a guide hole is arranged on the sliding seat and is in sliding fit with the guide rod.

3. The electrodeless weight structure as defined in claim 2, wherein a bushing is fixedly arranged in the guide hole, and the guide rod is arranged in the bushing in a penetrating manner.

4. The electrodeless counterweight structure as defined in claim 2, wherein a lead screw fixing seat is arranged on the lower fixing plate, and the lower end of the lead screw is rotatably connected with the lead screw fixing seat.

5. The electrodeless balance weight structure as claimed in claim 2, wherein the sliding seat comprises two sliding blocks and two connecting plates, the two sliding blocks are provided with the guide holes, the two sliding blocks are oppositely arranged along the left and right direction, the two connecting plates are respectively arranged at the front and rear sides of the sliding blocks, and the left and right ends of the connecting plates are respectively connected with the two sliding blocks;

the guide rods are two, the two guide rods are opposite in the left-right direction, and the two sliding blocks are respectively in sliding fit with the two guide rods.

6. The electrodeless counterweight structure as defined 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 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.

7. An exercise machine comprising an endless weight structure according to any of claims 1-6.