Strength training machine

Abstract

The utility model relates to the technical field of fitness equipment, and discloses a strength training machine which comprises a machine frame and a sliding rod, a training groove is formed in the surface of the machine frame, guide grooves communicated with the training groove are formed in the two sides of the machine frame, the sliding rod is connected with the machine frame in a sliding mode through the guide grooves, a driving assembly is arranged in the middle of the sliding rod, and the driving assembly is connected with the machine frame. A plurality of tension springs are arranged on the two sides of the sliding rod correspondingly, and protective covers are fixedly arranged on the two sides of the rack correspondingly. The tension spring can serve as a resistance source for training, the foot sole can be supported in the training process through the rack, the tension spring can be pulled through the driving assembly for training, the supporting area of the ankle joint can be increased through the driving assembly, comfort is good, the ankle does not need to be bound, the ankle can be rapidly taken down in the training process, and the training efficiency is improved. And the movement track of the sliding rod can be controlled through the guide groove.

Description

Technical Field

[0001] The utility model relates to the technical field of fitness equipment, in particular to a strength training machine. Background Technique

[0002] Strength training is an essential part of sports fitness. It not only helps to increase muscle endurance and strength, promote fat burning, and improve basal metabolism. Due to the continuous improvement of the public's understanding of strength training in recent years, there have been many strength training devices. The existing strength training devices mainly include lifting type training machines and stretching type training machines. Users can perform barbell training through the lifting type training machine. The lifting type training machine includes a fitness bar, and resistance sources are correspondingly arranged at both ends of the fitness bar. In addition, users can perform downward pulling and diagonal pulling training through the stretching type training machine. The stretching type training machine includes a pull rope, one end of the pull rope is provided with a handle for the user to hold, and the other end is connected to the resistance source.

[0003] The "ankle strength training device" disclosed in the patent application with the application number "201820218508.2" has the following composition: an externally threaded support cylinder, an ankle fixator is fixedly connected to the middle of the externally threaded support cylinder, retaining plates are fixedly connected to the externally threaded support cylinder at both ends of the ankle fixator, and barbell plates are sleeved on the externally threaded support cylinder outside the retaining plates and locked and fixed by a plum blossom fixator. In the utility model, this training device can mainly change the weight load according to the needs of the trainer by increasing or decreasing the barbell plates to improve the teaching and training effects. At the same time, it can adjust the size of the foot type and has a wide range of applications.

[0004] However, the above method still has the following defects: The method of fixing the ankle with an ankle fixator has a small support area. The ankle fixator is always tied to the ankle, resulting in poor comfort and inconvenience in quickly removing the ankle during training. The barbell plates rely on their own weight to be transmitted to the ankle, which is easy to shake and has poor stability, making it inconvenient to control the movement trajectory of the barbell plates. Summary of the Utility Model

[0005] In view of the deficiencies of the prior art, the utility model provides a strength training machine, which has the advantages of large support area and good comfort, and solves the problems raised in the above background technique.

[0006] The utility model provides the following technical solution: A strength training machine includes a frame and a sliding rod. A training groove is formed on the surface of the frame. Guide grooves communicating with the training groove are formed on both sides of the frame. The sliding rod is slidably connected to the frame through the guide grooves. A driving component is arranged in the middle of the sliding rod. A plurality of tension springs are arranged on both sides of the sliding rod. Protective covers are fixedly arranged on both sides of the frame. An operation opening is formed on the surface of the protective cover. A cover plate is hinged to one side of the operation opening. A limiting component for limiting the cover plate is arranged at the bottom of the cover plate.

[0007] As a preferred technical solution of the present utility model, the driving assembly includes a rod sleeve, the rod sleeve is sleeved on the middle part of the sliding rod, a support sleeve is fixedly arranged on the surface of the rod sleeve, a flexible sheath is fixedly arranged on the surface of the support sleeve, and a wear-resistant sleeve is fixedly arranged on the surface of the flexible sheath.

[0008] As a preferred technical solution of the present utility model, self-lubricating sleeves are sleeved on both sides of the sliding rod, the self-lubricating sleeves are slidably connected with the guide grooves, a retaining ring is fixedly arranged at one end of each self-lubricating sleeve, and the rod sleeve is located between the two self-lubricating sleeves.

[0009] As a preferred technical solution of the present utility model, support rods are arranged at the bottoms of both sides of the frame, a plurality of support rings are welded on the surfaces of the support rods and both sides of the sliding rod, and hooks connected with the support rings are arranged at both ends of the tension spring.

[0010] As a preferred technical solution of the present utility model, the other side of the protective cover is welded to the frame, a positioning plate is fixedly arranged at one side of the bottom end of the protective cover, and positioning holes are formed in both sides of the positioning plate.

[0011] As a preferred technical solution of the present utility model, the limiting assembly includes a horizontal plate and a limiting plate, one side of the horizontal plate is fixedly connected to the bottom of one side of the cover plate, the horizontal plate is slidably connected with a square rod, a spring is sleeved on the surface of the square rod, a push plate is fixedly arranged at the bottom end of the square rod, and one side of the bottom end of the push plate is fixedly connected to the top end of the limiting plate.

[0012] As a preferred technical solution of the present utility model, a retaining piece is fixedly arranged at the top end of the square rod, the retaining piece is located at the top of the horizontal plate, and the spring is located between the horizontal plate and the push plate.

[0013] As a preferred technical solution of the present utility model, a plate groove is formed at the bottom of the cover plate, the push plate is slidably connected with the plate groove, and a baffle is fixedly arranged at the bottom end of the cover plate.

[0014] Compared with the prior art, the present utility model has the following beneficial effects:

[0015] 1. The tension spring can be used as a resistance source for training, the frame can support the sole of the foot during training, the driving assembly can pull the tension spring for training, the driving assembly can increase the supporting area of the ankle joint, with good comfort, no need to bind the ankle, the ankle can be quickly removed during training, the guide groove can control the movement track of the sliding rod, the training rhythm can be maintained, with good stability, and the training groove can ensure that the sole of the foot moves along with the sliding rod.

[0016] 2. The protective cover can protect the tension spring and prevent human contact. The limit component can lock the cover plate and facilitate the quick opening of the cover plate. By opening the cover plate, the tension spring can be installed and removed through the operation port, and the number of tension springs can be quickly adjusted, so that the resistance can be quickly adjusted. Description of the Drawings

[0017] Figure 1 is a schematic structural view of the present utility model;

[0018] Figure 2 is an exploded structural view of the present utility model;

[0019] Figure 3 is a schematic structural view of the drive component of the present utility model;

[0020] Figure 4 is a schematic structural view of the protective cover of the present utility model;

[0021] Figure 5 is a schematic structural view of the limit component of the present utility model.

[0022] In the figure: 1, frame; 2, training groove; 3, guide groove; 4, sliding rod; 5, drive component; 501, rod sleeve; 502, support sleeve; 503, flexible sheath; 504, wear-resistant sleeve; 6, self-lubricating sleeve; 7, tension spring; 8, support rod; 9, support ring; 10, hook; 11, protective cover; 12, positioning plate; 13, cover plate; 14, baffle; 15, plate groove; 16, limit component; 1601, horizontal plate; 1602, square rod; 1603, spring; 1604, retaining piece; 1605, push plate; 1606, limit plate. Detailed Embodiment

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0024] Please refer to Figures 1 to 5, A strength training machine, comprising a frame 1 and a sliding rod 4. A training groove 2 is formed on the surface of the frame 1. Guide grooves 3 communicating with the training groove 2 are formed on both sides of the frame 1. The sliding rod 4 is slidably connected to the frame 1 through the guide grooves 3. A driving assembly 5 is provided in the middle of the sliding rod 4. A plurality of tension springs 7 are provided on both sides of the sliding rod 4. The tension springs 7 can be used as a resistance source for training. Protective covers 11 are fixedly provided on both sides of the frame 1. The protective covers 11 can provide protection for the tension springs 7 and prevent human contact at the same time. An operation opening is formed on the surface of the protective cover 11. A cover plate 13 is hinged to one side of the operation opening. By opening the cover plate 13, the tension springs 7 can be installed and removed through the operation opening, and the number of the tension springs 7 can be quickly adjusted, so that the resistance size can be adjusted. A limiting assembly 16 for limiting the cover plate 13 is provided at the bottom of the cover plate 13. The cover plate 13 can be locked through the limiting assembly 16, and the cover plate 13 can be quickly opened.

[0025] In this embodiment, preferably, the driving assembly 5 includes a rod sleeve 501 sleeved on the middle of the sliding rod 4. A support sleeve 502 is fixedly provided on the surface of the rod sleeve 501. A flexible protective sleeve 503 is fixedly provided on the surface of the support sleeve 502. A wear-resistant sleeve 504 is fixedly provided on the surface of the flexible protective sleeve 503. Self-lubricating sleeves 6 are sleeved on both sides of the sliding rod 4. The self-lubricating sleeves 6 are slidably connected to the guide grooves 3. A retaining ring is fixedly provided at one end of the self-lubricating sleeve 6. The rod sleeve 501 is located between the two self-lubricating sleeves 6. The rod sleeve 501 can provide support between the sliding rod 4 and the support sleeve 502 and can reduce the friction between the support sleeve 502 and the sliding rod 4. The support sleeve 502 can increase the support area of the ankle joint. Cooperating with the flexible protective sleeve 503 can improve the comfort. The wear-resistant sleeve 504 can improve its wear resistance and is not easily worn after long-term use. The friction between the sliding rod 4 and the guide grooves 3 can be reduced through the self-lubricating sleeves 6.

[0026] In this embodiment, preferably, the limiting assembly 16 includes a horizontal plate 1601 and a limiting plate 1606. One side of the horizontal plate 1601 is fixedly connected to the bottom of one side of the cover plate 13. A square rod 1602 is slidably connected to the horizontal plate 1601. A spring 1603 is sleeved on the surface of the square rod 1602. A push plate 1605 is fixedly provided at the bottom end of the square rod 1602. One side of the bottom end of the push plate 1605 is fixedly connected to the top end of the limiting plate 1606. A retaining piece 1604 is fixedly provided at the top end of the square rod 1602. The retaining piece 1604 is located at the top of the horizontal plate 1601. The spring 1603 is located between the horizontal plate 1601 and the push plate 1605. A plate groove 15 is formed at the bottom of the cover plate 13. The push plate 1605 is slidably connected to the plate groove 15. A baffle 14 is fixedly provided at the bottom end of the cover plate 13. The cover plate 13 can be limited through the baffle 14 and the limiting plate 1606. By vertically pushing the push plate 1605, the spring 1603 can be compressed, and the height of the limiting plate 1606 can be increased, so as to facilitate the quick opening of the cover plate 13.

[0027] In this embodiment, preferably, support rods 8 are provided at the bottoms on both sides of the frame 1. A plurality of support rings 9 are welded to the surfaces of the support rods 8 and both sides of the sliding rod 4. Hooks 10 connected to the support rings 9 are provided at both ends of the tension spring 7. The two ends of the tension spring 7 can be limited by the hooks 10 and the support rings 9, which facilitates the quick installation and removal of the tension spring 7 and enables the adjustment of the number of tension springs 7. The other side of the protective cover 11 is welded to the frame 1. A positioning plate 12 is fixedly provided on one side of the bottom end of the protective cover 11. Positioning holes are formed on both sides of the positioning plate 12. The frame 1 can be fixed to the ground through the positioning holes of the positioning plate 12.

[0028] When in use, first place the sole of the foot in the training groove 2 and make the ankle fit the wear-resistant sleeve 504 of the driving assembly 5. Then, push the support sleeve 502 through the ankle. The rod sleeve 501 can provide support between the sliding rod 4 and the support sleeve 502. The support sleeve 502 can increase the support area of the ankle joint. Cooperating with the flexible protective sleeve 503 can improve the comfort. The wear-resistant sleeve 504 can improve its wear resistance. When the support sleeve 502 moves, the tension spring 7 can be stretched through the sliding rod 4. The tension spring 7 serves as a resistance source to enable the strength training of the ankle. During the training process, the guide groove 3 can control the movement track of the sliding rod 4, maintain the training rhythm, and has good stability. The training groove 2 can ensure that the sole of the foot moves along with the sliding rod 4. During the training process, when stopping pushing the support sleeve 502, the sliding rod 4 can slide to the bottom of the guide groove 3, and the sole of the foot can be quickly taken out of the training groove 2 without tying the ankle.

[0029] When it is necessary to adjust the resistance size of the strength training, first vertically push the push plate 1605 of the limiting component 16 to compress the spring 1603 and raise the height of the limiting plate 1606. Then open the cover plate 13, disassemble and assemble the tension spring 7 through the support ring 9 and the hook 10, adjust the number of the tension springs 7, and then the resistance size can be adjusted. After that, close the cover plate 13. The limiting plate 1606 and the baffle 14 can lock the cover plate 13. The cover plate 13 and the protective cover 11 can provide protection for the tension spring 7 and prevent human contact at the same time, which can improve the safety during use.

[0030] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A strength training machine, comprising a frame (1) and a slide bar (4), characterized in that: The surface of the frame (1) is provided with a training groove (2), and guide grooves (3) communicating with the training grooves (2) are provided on both sides of the frame (1). The slide bar (4) is slidably connected to the frame (1) through the guide grooves (3). A driving component (5) is provided in the middle of the slide bar (4), and a plurality of tension springs (7) are provided on both sides of the slide bar (4). Protective covers (11) are fixedly provided on both sides of the frame (1), and an operating port is provided on the surface of the protective cover (11). A cover plate (13) is hinged on one side of the operating port, and a limit assembly (16) for limiting the cover plate (13) is provided at the bottom of the cover plate (13).

2. The strength training machine according to claim 1, characterized in that: The driving assembly (5) comprises a rod sleeve (501), the rod sleeve (501) being sleeved with the middle part of the sliding rod (4), a support sleeve (502) being fixedly provided on the surface of the rod sleeve (501), a flexible protective sleeve (503) being fixedly provided on the surface of the support sleeve (502), and a wear-resistant sleeve (504) being fixedly provided on the surface of the flexible protective sleeve (503).

3. The strength training machine according to claim 2, characterized in that: Self-lubricating sleeves (6) are sleeved on both sides of the sliding rod (4), the self-lubricating sleeves (6) are slidably connected to the guide groove (3), a retaining ring is fixedly provided at one end of the self-lubricating sleeve (6), and the rod sleeve (501) is located between the two self-lubricating sleeves (6).

4. The strength training machine according to claim 1, characterized in that: Support rods (8) are provided at the bottom of both sides of the frame (1), a plurality of support rings (9) are welded on the surface of the support rods (8) and on both sides of the slide rod (4), and hooks (10) connected to the support rings (9) are provided at both ends of the tension spring (7).

5. The strength training machine according to claim 1, characterized in that: The other side of the protective cover (11) is welded to the frame (1), and a positioning plate (12) is fixedly provided on one side of the bottom end of the protective cover (11), and positioning holes are provided on both sides of the positioning plate (12).

6. The strength training machine according to claim 1, characterized in that: The limiting assembly (16) comprises a horizontal plate (1601) and a limiting plate (1606), one side of the horizontal plate (1601) is fixedly connected to the bottom of one side of the cover plate (13), the horizontal plate (1601) is slidably connected to a square rod (1602), a spring (1603) is sleeved on the surface of the square rod (1602), a push plate (1605) is fixedly provided at the bottom end of the square rod (1602), and one side of the bottom end of the push plate (1605) is fixedly connected to the top end of the limiting plate (1606).

7. The strength training machine according to claim 6, characterized in that: A blocking piece (1604) is fixedly provided at the top end of the square rod (1602), and the blocking piece (1604) is located at the top end of the horizontal plate (1601), and the spring (1603) is located between the horizontal plate (1601) and the push plate (1605).

8. The strength training machine according to claim 6, characterized in that: A plate groove (15) is provided at the bottom of the cover plate (13), the push plate (1605) is slidably connected to the plate groove (15), and a baffle (14) is fixedly provided at the bottom end of the cover plate (13).

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