A power training device for aerobics

By designing a weight adjustment mechanism for the fixed frame and push-pull rod slider, the problem of cumbersome weight adjustment in aerobics equipment was solved, enabling quick and flexible selection of weight blocks and safety protection, thus improving the convenience and safety of training.

CN224937580UActive Publication Date: 2026-11-06LIAONING RAILWAY VOCATIONAL & TECHN COLLEGE
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Patent Information

Application Number
CN202522054256.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-24
Publication Date
2026-11-06
Estimated Expiration
2035-09-24

AI Technical Summary

Technical Problem

Existing aerobics strength training equipment is cumbersome to operate when adjusting the weights, requiring frequent removal and installation of barbell plates, resulting in poor convenience.

Method used

Design a device that includes a fixed frame, a push-pull rod, a slider, and a weight adjustment mechanism. The slider and connecting rope enable flexible adjustment of the counterweight, while a safety pin and cushioning cotton provide safety protection.

Benefits of technology

It enables rapid adjustment of the counterweights, improves the continuity and safety of training, reduces physical exertion, and prevents accidental injuries caused by equipment malfunction.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model relates to a strength training device for aerobics, belonging to the field of strength training technology. The strength training device for aerobics includes: a fixed frame, the fixed frame being H-shaped, with a reclining board mounted on the top of the fixed frame, and supporting legs symmetrically arranged below the reclining board away from the fixed frame; a push-pull rod slidably connected to the fixed frame; and a weight adjustment mechanism disposed on the fixed frame, the weight adjustment mechanism including sliders symmetrically arranged at both ends of the push-pull rod, the sliders being slidably connected to the fixed frame. The above-mentioned strength training device achieves weight adjustment by inserting connecting rods into the through holes of different weight blocks, without needing to remove barbells or other components. The operation process is simple and quick; users can directly and flexibly select the number of weight blocks to participate in training by inserting and removing the connecting rods, effectively reducing physical exertion during adjustment, ensuring training continuity, and improving the convenience of weight adjustment.
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Description

Technical Field

[0001] This utility model relates to the field of strength training technology, and in particular to a strength training device for aerobics. Background Technology

[0002] Aerobics is a popular and widely enjoyed sport that combines gymnastics, dance, music, fitness, and entertainment. In order to perform clean and crisp movements, aerobics athletes need to undergo strength training.

[0003] As shown in the reference case "A Strength Training Device for Aerobics Teaching" (publication number CN221206650U), it includes a reclining chair. A set of support columns is slidably connected to the side wall of the reclining chair. A through groove is opened on the outer wall of the support column. A slider is slidably connected in the through groove. A transmission plate is hinged in the slider. A fixing block is fixedly connected to the top of the transmission plate. A rotating shaft and a limiting block are rotatably connected in the transmission plate. A connecting component is fixedly connected to the outer wall of the rotating shaft. The rotating shaft is rotatably connected to a smooth rod through the connecting component. A set of inner sliding grooves is opened on the side wall of the through groove. The slider is located in the inner sliding groove and is slidably connected thereto. This solves the problem that existing strength training devices for aerobics teaching often lack protective devices, and athletes are prone to injury from barbells accidentally slipping out of their hands during use.

[0004] However, when using the above-mentioned device, the weight adjustment depends on the addition or removal of barbell plates. Each time an adjustment is made, the barbell must be removed from the device first, and then the barbell plates must be manually installed and removed. The operation process is cumbersome and inconvenient. Utility Model Content

[0005] Therefore, it is necessary to provide a strength training device for aerobics to address the problem of inconvenient weight adjustment.

[0006] A strength training device for aerobics includes: a fixed frame, the fixed frame being H-shaped, with a reclining board mounted on top of the fixed frame, and supporting legs symmetrically arranged below the reclining board away from the fixed frame; a push-pull rod slidably connected to the fixed frame; and a weight adjustment mechanism disposed on the fixed frame, the weight adjustment mechanism including sliders symmetrically arranged at both ends of the push-pull rod, the sliders being slidably connected to the fixed frame, with connecting ropes fixedly connected to the bottom of each of the two sliders, and the other ends of the two connecting ropes being fixedly connected to a lifting frame, the bottom of the lifting frame being fixedly connected to a connecting rod, and the bottom of the fixed frame... The unit is fixedly connected to a fixing plate, and a counterweight is provided on the fixing plate. Corresponding through holes are opened on the counterweight and the connecting rod. A connecting rod is provided on one side of the lifting frame.

[0007] In one embodiment, guide wheels are symmetrically arranged at the bottom of the horizontal support of the fixing frame, and the two connecting ropes pass through the corresponding guide wheels respectively.

[0008] In one embodiment, the fixing frame has a groove corresponding to the slider, the slider is slidably connected in the groove, and the fixing frame has a threading hole for the connecting rope to pass through, the connecting rope being a steel wire rope.

[0009] In one embodiment, guide rods are symmetrically arranged between the transverse support of the fixing frame and the top of the fixing plate. The counterweight is slidably connected to the surface of the guide rod. Multiple counterweights are provided. The diameter of the connecting rod corresponds to the through hole. The connecting rod is connected to the lifting frame by an elastic rope.

[0010] In one embodiment, the fixing frame is further provided with a safety mechanism, which includes a safety hole formed on the surface of the slide, and a safety pin is inserted into the safety hole.

[0011] In one embodiment, the safety holes are equidistantly distributed along the slide groove, the surface of the safety pin is covered with cushioning cotton, and both the safety pin and the connecting rod are pulled out toward the side of the fixing frame away from the reclining plate. In one embodiment, the push-pull rod is fitted with an anti-slip grip in the middle, and the surface of the anti-slip grip is provided with a wavy anti-slip texture.

[0012] In one embodiment, the side of the counterweight is provided with a number mark, and the side of the fixing plate is provided with a weight scale corresponding to the counterweight.

[0013] Beneficial effects 1. The above-mentioned strength training device adjusts the weight by inserting the connecting rod into the through hole of different weight blocks. There is no need to remove the barbell or other parts. The operation process is simple and quick. Users can directly select the number of weight blocks to participate in the training by inserting and unplugging the connecting rod, which effectively reduces the physical exertion during the adjustment process, ensures the continuity of training, and improves the convenience of weight adjustment. 2. The safety holes evenly distributed on the surface of the slide and the safety pins that are inserted can provide safety protection when the user is physically exhausted or needs to stop training, restrict the sliding of the slider, prevent the equipment from going out of control and causing accidents, and the cushioning cotton on the surface of the safety pin can reduce contact and collision damage and improve safety. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0015] Figure 1 is a schematic diagram of the structure of this utility model; Figure 2 is a schematic diagram of the weight adjustment mechanism of this utility model; Figure 3 is a schematic diagram of the counterweight installation structure of this utility model; Figure 4 is a schematic diagram of the safety mechanism of this utility model; Figure 5 shows the present invention. Figure 4 Enlarged view of point A in the middle.

[0016] Figure label: 100. Fixed frame; 200. Reclining board; 300. Weight adjustment mechanism; 310. Slide rail; 320. Sliding block; 330. Connecting rope; 340. Guide wheel; 350. Lifting frame; 360. Connecting rod; 370. Connecting insert rod; 380. Guide rod; 390. Counterweight; 400. Push-pull rod; 500. Safety mechanism; 510. Safety hole; 520, Safety Pin. Detailed Implementation

[0017] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0018] The strength training device for aerobics according to this invention is described below with reference to Figures 1-5.

[0019] In one embodiment, a strength training device for aerobics includes: a fixed frame 100, which is H-shaped and has a reclining board 200 mounted on top of the fixed frame 100. Support legs are symmetrically arranged below the reclining board 200 away from the fixed frame 100. A push-pull rod 400 is slidably connected to the fixed frame 100. A weight adjustment mechanism 300 is mounted on the fixed frame 100 and includes sliders 320 symmetrically arranged at both ends of the push-pull rod 400. The sliders 320 are slidably connected to the fixed frame 100. Both the connecting rod 370 and the fixed frame 100 are pulled out to the side away from the reclining board 200.

[0020] In this embodiment, safety holes 510 are equidistantly distributed along the slide groove 310, providing multiple locking positions depending on the different positions of the slider 320. When the user becomes physically exhausted, the safety pin 520 prevents the slider 320 from falling, avoiding injury and improving safety. The cushioning cotton buffers the slider 320 and safety pin 520 as the slider 320 descends, reducing collision damage caused by rigid contact and extending the equipment's lifespan.

[0021] Working principle: The user lies on the reclining board 200, grips the non-slip handles of the push-pull rod 400 with both hands, and pushes the push-pull rod 400 along the fixed frame 100 by exerting force with their arms. The push-pull rod 400 drives the sliders 320 at both ends to slide synchronously within the slide groove 310. The sliders 320 pull the connecting rope 330 at the bottom. After the connecting rope 330 changes direction via the guide wheel 340, it pulls the lifting frame 350 and the connecting rod 360 upward. Since the connecting rod 360 is connected to the selected counterweight 390 through the connecting rod 370, the counterweight 390 will rise with the connecting rod 360. Its gravity forms training resistance, and the user completes the strength training movement by overcoming this resistance.

[0022] When the training intensity needs to be adjusted, the user can simply pull out the connecting rod 370, select different numbers of counterweights 390, and reinsert the connecting rod 370. The weight scale and number markings can help quickly determine the load, making it easy for the user to adjust the weight quickly.

[0023] During training, based on the user's chest position, the safety pin 520 is inserted into the safety hole 510 corresponding to the user's chest position to restrict the sliding of the slider 320, thereby achieving emergency locking of the push-pull rod 400 and the counterweight 390 to prevent accidents.

[0024] It should be noted that the connecting rod 360, guide rod 380, counterweight 390, push-pull rod 400, fixing frame 100, and lying plate 200 mentioned above are all components with relatively mature existing technology. Specific models can be selected according to actual needs, and will not be elaborated here.

[0025] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A strength training device for aerobics, characterized in that, include: A fixed frame (100) is arranged in an H shape, and a reclining board (200) is installed on the top of the fixed frame (100). Support legs are symmetrically arranged below the reclining board (200) away from the fixed frame (100). A push-pull rod (400) is slidably connected to the fixed frame (100). A weight adjustment mechanism (300) is mounted on a fixed frame (100). The weight adjustment mechanism (300) includes sliders (320) symmetrically arranged at both ends of a push-pull rod (400). The sliders (320) are slidably connected to the fixed frame (100). The bottom of each slider (320) is fixedly connected to a connecting rope (330). The other ends of the two connecting ropes (330) are fixedly connected to a lifting frame (350). The bottom of the lifting frame (350) is fixedly connected to a connecting rod (360). The bottom of the fixed frame (100) is fixedly connected to a fixed plate. A counterweight (390) is provided on the fixed plate. Corresponding through holes are provided on the counterweight (390) and the connecting rod (360). A connecting rod (370) is provided on one side of the lifting frame (350).

2. The strength training device for aerobics according to claim 1, characterized in that, The bottom of the horizontal support of the fixed frame (100) is symmetrically provided with guide wheels (340), and the two connecting ropes (330) pass through the corresponding guide wheels (340) respectively.

3. The strength training device for aerobics according to claim 2, characterized in that, The fixing frame (100) has a groove (310) corresponding to the slider (320), the slider (320) is slidably connected in the groove (310), and the fixing frame (100) has a threading hole for the connecting rope (330) to pass through, the connecting rope (330) is a steel wire rope.

4. The strength training device for aerobics according to claim 1, characterized in that, The horizontal support of the fixed frame (100) is symmetrically provided with guide rods (380) between the top of the fixed plate and the horizontal support. The counterweight (390) is slidably connected to the surface of the guide rod (380). There are multiple counterweights (390). The diameter of the connecting rod (370) corresponds to the through hole. The connecting rod (370) is connected to the lifting frame (350) by an elastic rope.

5. The strength training device for aerobics according to claim 3, characterized in that, The fixing frame (100) is also provided with a safety mechanism (500), which includes a safety hole (510) opened on the surface of the slide (310), and a safety pin (520) is inserted into the safety hole (510).

6. The strength training device for aerobics according to claim 5, characterized in that, The safety holes (510) are distributed equidistantly along the slide groove (310), and the surface of the safety pin (520) is covered with cushioning cotton. The safety pin (520) and the connecting rod (370) are both pulled out toward the side of the fixed frame (100) away from the lying board (200).

7. The strength training device for aerobics according to claim 1, characterized in that, The push-pull rod (400) is fitted with an anti-slip grip in the middle, and the surface of the anti-slip grip is provided with a wavy anti-slip texture.

8. The strength training device for aerobics according to claim 4, characterized in that, The counterweight (390) has a numbered label on its side, and the fixing plate has a weight scale corresponding to the counterweight (390) on its side.

Citation Information

Patent Citations

  • Strength training device for aerobics teaching

    CN221206650U