Angle-adjustable leg hooking trainer

Abstract

The utility model relates to the field of fitness equipment, and discloses an angle-adjustable leg hooking trainer which comprises a training stool, a weight box is installed on the side, away from the training stool, of an installation frame, the top end of a supporting column is rotationally connected to the middle of a rocker arm through a first rotating shaft and a torsional spring, and a resistance roller is perpendicularly and rotationally connected to one side of one end of the rocker arm. A second rotating shaft is vertically and rotationally connected to the other side of the other end of the rocker arm, a wire wheel is fixedly connected to the end, away from the rocker arm, of the second rotating shaft, a steel wire rope is wound around the wire wheel, and a limiting sleeve is rotationally connected to the outer portion of the first rotating shaft and rotationally connected to the inner side of the top of the supporting column; a clamping block is fixed to the outer side of the first rotating shaft, and a limiting column used for limiting rotation of the clamping block is arranged on one side of the limiting sleeve. According to the utility model, the motion amplitude of the resistance roller is convenient to adjust, and the training device is suitable for trainees with various physiques.

Description

Technical Field

[0001] This utility model relates to the field of training equipment, and in particular to an adjustable-angle leg-hooking training device. Background Technology

[0002] The leg curl trainer is used to train the hamstring muscles, which can train and improve the leg curling strength.

[0003] A major drawback of existing leg curl trainers is that the range of motion is fixed each time they are used, and the only way to change the weight is to perform strength training. However, the training intensity and flexibility of individuals are different, so the range of motion also varies. Therefore, existing leg curl trainers cannot adequately meet the training needs of different individuals. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing an adjustable-angle leg-hooking training device.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: an adjustable-angle leg-hooking trainer, comprising a training bench, a mounting frame installed on one side of the training bench, a support column fixed at the end of the mounting frame, a counterweight box installed on the side of the mounting frame away from the training bench, the top of the support column being rotatably connected to the middle of a rocker arm via a first rotating shaft and a torsion spring, the first rotating shaft and the rocker arm being fixedly connected, a resistance roller being rotatably connected to one side of one end of the rocker arm, a second rotating shaft being rotatably connected to the other side of the other end of the rocker arm, a spool being fixedly connected to the end of the second rotating shaft away from the rocker arm, a steel wire rope being wound on the spool, a limiting sleeve being rotatably connected to the outside of the first rotating shaft, the limiting sleeve being rotatably connected to the inner side of the top of the support column, a locking block being fixed to the outside of the first rotating shaft, and a limiting post for limiting the rotation of the locking block being provided on one side of the limiting sleeve.

[0006] Preferably, the training stool is provided with a handle at one end.

[0007] Preferably, a first worm gear is fixed on the second rotating shaft, the first worm gear is meshed with a first worm, the first worm is rotatably connected inside the rocker arm, and one end of the first worm passes through the rocker arm and is connected to a first handwheel.

[0008] Preferably, the resistance roller is located on the side of the training bench away from the handle.

[0009] Preferably, the counterweight box has a mounting groove on the top of the side near the mounting frame, and a fixed pulley is rotatably connected in the mounting groove.

[0010] Preferably, the end of the wire rope away from the spool extends into the counterweight box, and multiple counterweights are slidably arranged in the counterweight box and connected to the wire rope.

[0011] Preferably, a second worm gear is fixedly connected to the outer periphery of the limiting sleeve, the second worm gear is meshed with a second worm, the second worm is rotatably connected inside the support column, and one end of the second worm passes through the side wall of the support column and is fixed with a second handwheel.

[0012] This utility model has the following beneficial effects:

[0013] In this invention, turning the second handwheel drives the second worm gear to rotate the limiting sleeve. The limiting post on the limiting sleeve limits the locking block, preventing the first rotating shaft from rotating more than a certain distance. This allows the rotating shaft to drive the rocker arm to adjust its angle, enabling the resistance roller to rotate and move a certain distance. Then, the first handwheel drives the first worm gear to drive the first worm wheel, which in turn drives the second rotating shaft to move the reel in and out of the wire rope. This allows the wire rope and counterweight to be tensioned or relaxed, and the range of motion of the resistance roller to be adjusted. This allows beginners to adjust the range of motion of their leg-hooking exercises according to their flexibility, enabling them to train effectively and meeting the needs of people with various physical conditions. Attached Figure Description

[0014] Figure 1 This is a perspective view of an adjustable-angle leg-hooking training device proposed in this utility model.

[0015] Figure 2 This is a structural diagram of the rocker arm of an adjustable-angle leg-hooking trainer proposed in this utility model.

[0016] Figure 3 This is a cross-sectional view of the second rotating shaft of an adjustable-angle leg-hooking training device proposed in this utility model.

[0017] Figure 4 This is a cross-sectional view of the first rotating shaft of an adjustable-angle leg-hooking training device proposed in this utility model.

[0018] Figure 5 for Figure 1 Enlarged view of point A in the middle.

[0019] Legend:

[0020] 1. Training bench; 2. Handle; 3. Counterweight box; 4. Steel wire rope; 5. Mounting frame; 6. First handwheel; 7. Threaded reel; 8. Rocker arm; 9. First rotating shaft; 10. Second handwheel; 11. Resistance roller; 12. Support column; 13. First worm gear; 14. First worm wheel; 15. Second worm wheel; 16. Limiting sleeve; 17. Locking block; 18. Second rotating shaft; 19. Second worm gear; 20. Fixed pulley; 21. Mounting groove; 22. Limiting post. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model; the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. In addition, unless otherwise explicitly specified and limited, the terms "installed," "connected," and "linked" should be interpreted broadly. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0023] Reference Figure 1-5This utility model provides an embodiment of an adjustable leg-hooking training device, comprising a training bench 1, a mounting frame 5 mounted on one side of the training bench 1, a support column 12 fixed to the end of the mounting frame 5, a counterweight box 3 mounted on the side of the mounting frame 5 away from the training bench 1, the top of the support column 12 being rotatably connected to the middle of a rocker arm 8 via a first rotating shaft 9 and a torsion spring, the first rotating shaft 9 being fixedly connected to the rocker arm 8, a resistance roller 11 being vertically rotatably connected to one side of one end of the rocker arm 8, and a second rotating shaft 18 being vertically rotatably connected to the other side of the other end of the rocker arm 8, a reel 7 being fixedly connected to the end of the second rotating shaft 18 away from the rocker arm 8, on which a steel wire rope is wound. 4. The first rotating shaft 9 is externally rotatably connected to a limiting sleeve 16. The limiting sleeve 16 is rotatably connected to the top inner side of the support column 12. A locking block 17 is fixed on the outer side of the first rotating shaft 9. A limiting post 22 for limiting the rotation of the locking block 17 is provided on one side of the limiting sleeve 16. When the rocker arm 8 rotates, the resistance roller 11 end of the rocker arm 8 rotates downward through a torsion spring. Since the limiting post 22 on the limiting sleeve 16 limits the locking block 17, the rotation of the rocker arm 8 can adjust the resistance roller 11 upward. In this way, the resistance roller 11 can only rotate upward around the rocker arm 8, and the rotation amplitude can be adjusted to a very small state through the limiting sleeve 16.

[0024] The training bench 1 has a handle 2 at one end for maintaining body balance. A first worm gear 14 is fixed on the second rotating shaft 18. The first worm gear 14 is meshed with a first worm 13. The first worm 13 is rotatably connected to the rocker arm 8. One end of the first worm 13 passes through the rocker arm 8 and is connected to a first handwheel 6 for tightening the wire rope 4 so that it can drive the counterweight block in the counterweight box 3. The resistance roller 11 is located on the side of the training bench 1 away from the handle 2. The top of the counterweight box 3 near the mounting frame 5 has a mounting groove 21. A fixed pulley 20 is rotatably connected in the mounting groove 21. The fixed pulley 20 changes the traction direction of the wire rope 4. The end of the wire rope 4 away from the reel 7 extends into the counterweight box 3. Multiple counterweight blocks are slidably arranged in the counterweight box 3 and the counterweight blocks are connected to the wire rope 4. The outer periphery of the limiting sleeve 16 is fixedly connected to a second worm gear 15, which is meshed with a second worm 19. The second worm 19 is rotatably connected inside the support column 12. One end of the second worm 19 passes through the side wall of the support column 12 and is fixed with a second handwheel 10 for adjusting the angle of the rocker arm 8.

[0025] Working principle: Before using the equipment, when adjusting the motion amplitude, turn the second handwheel 10. The second handwheel 10 drives the second worm gear 15 through the second worm 19, which in turn drives the limit sleeve 16 to rotate. The limit post 22 on the limit sleeve 16 limits the locking block 17, which prevents the first rotating shaft 9 from rotating in the same direction for a certain distance. This allows the first rotating shaft 9 to drive the rocker arm 8 to adjust the angle, enabling the resistance roller 11 to rotate a certain distance. Then, the first handwheel 6 drives the first worm gear 13 to drive the first worm gear 14, which in turn drives the second rotating shaft 18 to drive the reel 7 to wind up and unwind the wire rope 4, thus enabling the wire rope 4 and... The tension or relaxation of the counterweight allows for adjustment of the movement range of the resistance roller 11. This enables beginners to adjust the range of motion for leg-hooking exercises based on their flexibility, allowing for effective training and catering to various physical conditions. During training, the user lies on the training bench 1, holds onto the handle 2, and hooks their legs to lift the resistance roller 11. The resistance roller 11 rotates around the support column 12 via the first pivot 9, which is driven by the rocker arm 8. The other end of the rocker arm 8, via the second pivot 18, causes the pulley 7 to drive the wire rope 4, pulling the counterweight in the counterweight box 3, thus achieving leg-hooking strength training.

[0026] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An adjustable-angle leg-hooking training device, comprising a training bench (1), characterized in that: A mounting frame (5) is installed on one side of the training bench (1). A support column (12) is fixed to the end of the mounting frame (5). A counterweight box (3) is installed on the side of the mounting frame (5) away from the training bench (1). The top of the support column (12) is rotatably connected to the middle of the rocker arm (8) through a first rotating shaft (9) and a torsion spring. The first rotating shaft (9) and the rocker arm (8) are fixedly connected. A resistance roller (11) is rotatably connected to one side of one end of the rocker arm (8). The other side of the other end of the rocker arm (8) is rotatably connected to the resistance roller (11). A second rotating shaft (18) is rotatably connected. A spool (7) is fixedly connected to one end of the second rotating shaft (18) away from the rocker arm (8). A steel wire rope (4) is wound on the spool (7). A limiting sleeve (16) is rotatably connected to the outside of the first rotating shaft (9). The limiting sleeve (16) is rotatably connected to the top inner side of the support column (12). A locking block (17) is fixed to the outside of the first rotating shaft (9). A limiting post (22) for limiting the rotation of the locking block (17) is provided on one side of the limiting sleeve (16).

2. The adjustable-angle leg-hooking training device according to claim 1, characterized in that: The training stool (1) has a handle (2) at one end.

3. The adjustable-angle leg-hooking training device according to claim 1, characterized in that: A first worm gear (14) is fixed on the second rotating shaft (18). The first worm gear (14) is meshed with a first worm (13). The first worm (13) is rotatably connected inside the rocker arm (8). One end of the first worm (13) passes through the rocker arm (8) and is connected to a first handwheel (6).

4. The adjustable-angle leg-hooking training device according to claim 2, characterized in that: The resistance roller (11) is located on the side of the training stool (1) away from the handle (2).

5. The adjustable-angle leg-hooking training device according to claim 1, characterized in that: The counterweight box (3) has a mounting groove (21) on the top of the side near the mounting frame (5), and a fixed pulley (20) is rotatably connected in the mounting groove (21).

6. The adjustable-angle leg-hooking training device according to claim 5, characterized in that: The end of the wire rope (4) away from the spool (7) extends into the counterweight box (3), where multiple counterweight blocks are slidably arranged and connected to the wire rope (4).

7. The adjustable-angle leg-hooking training device according to claim 1, characterized in that: The outer periphery of the limiting sleeve (16) is fixedly connected to a second worm gear (15), which is meshed with a second worm (19). The second worm (19) is rotatably connected inside the support column (12), and one end of the second worm (19) passes through the side wall of the support column (12) and is fixed with a second handwheel (10).

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