Tendon stretching device for physical exercise

By designing an automated stretcher for physical exercise, the problem of manual adjustment and inability to stretch one leg alone in the prior art is solved, and automated operation and efficient leg stretching and massage effects are achieved.

CN222752517UActive Publication Date: 2025-04-15LUODING VOCATIONAL & TECH COLLEGE
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Patent Information

Application Number
CN202421067822.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-15
Publication Date
2025-04-15
Estimated Expiration
2034-05-15

AI Technical Summary

Technical Problem

The existing stretchers for physical exercise require manual adjustment, and one leg cannot be stretched alone, and the elastic protective cover is fixed, so it cannot be adjusted and massaged, which reduces practicality.

Method used

A stretcher including a base, an angle adjustment mechanism, an electric telescopic rod and an adjustable leg support mechanism is designed. The operation of each mechanism is automatically adjusted through the control mechanism to achieve automatic operation, and it has the functions of single-leg stretching and rolling massage.

Benefits of technology

It reduces the burden of manual operation, improves the practicality of the stretcher, and can stretch both legs at the same time or separately, and performs limiting and rolling massage on the legs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a tendon stretching device for physical exercise, and relates to the technical field of exercise equipment. The utility model relates to a leg stretching device, in particular to a leg stretching device, which solves the problems that various adjustments of an existing device need to be manually rotated and adjusted, only two legs can be rotated and stretched at the same time, a single leg cannot be stretched, the position of an elastic protective sleeve is fixed, adjustment and massage cannot be performed, and the practicability is reduced. According to the double-leg tendon stretching machine, operation of all the mechanisms can be controlled through the control mechanism, repeated manual operation is not needed, the effect of stretching tendons on two legs at the same time can be achieved through the arranged angle adjusting mechanism, a single leg can be driven to rotate to stretch the tendons, and the double-leg tendon stretching machine is convenient to use and high in practicability. Through the arrangement of the electric telescopic rod and the adjustable leg supporting mechanism, the legs with different thicknesses can be limited, and rolling massage can be conducted on the legs.
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Description

Technical Field

[0001] The utility model relates to the technical field of exercise equipment, in particular to a muscle stretching device for physical exercise. Background Art

[0002] In physical training, a stretching device is often used to stretch the legs. After searching, the Chinese patent publication number CN220046991U discloses a stretching device for physical exercise. The stretching device for physical exercise of the utility model includes a seat box, two sets of retractable leg positioners and an angle adjuster. The two sets of leg positioners are respectively arranged at intervals on the left and right sides of the front end of the seat box. The angle adjuster is assembled in the seat box, and one end of the two sets of leg positioners is respectively connected to the angle adjuster. Advantages: reasonable structural design, strong operability, no need to rely on external force to drive the stretching, users can flexibly and simply adjust the strength of the stretching according to their own situation, and it is convenient and safe to use.

[0003] Although the above technical solution does not require external force to drive the stretching, various adjustments need to be manually rotated and adjusted during use, which increases the burden of use. In addition, only two legs can be rotated and stretched at the same time, and a single leg cannot be stretched. In addition, the position of the elastic protective cover is fixed and cannot be adjusted or massaged, which reduces its practicality. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a stretching device for physical exercise, which solves the problems in the background technology that various adjustments of the existing devices need to be manually rotated and adjusted, only two legs can be rotated and stretched at the same time and a single leg cannot be stretched, and the elastic protective cover is fixed in position and cannot be adjusted and massaged, thereby reducing practicality.

[0005] To achieve the above purpose, the utility model is implemented through the following technical solutions: a muscle stretching device for physical exercise, comprising a base, an angle adjustment mechanism is installed inside the base, both movable ends of the angle adjustment mechanism are fixedly connected to electric telescopic rods, the movable ends of the electric telescopic rods are fixedly connected to adjustable leg support mechanisms, and a control mechanism that cooperates with the angle adjustment mechanism, the electric telescopic rod and the adjustable leg support mechanism is fixedly installed on the front side of the outer surface of the base;

[0006] The angle adjustment mechanism includes a slider slidably connected to the inner bottom of the base, racks are fixedly connected on both sides of the slider, the inner bottom of the base is symmetrically rotatably connected to two gears meshing with the racks, a second motor is fixedly connected to the upper surface of the gear, and the output shaft of the second motor is fixedly connected to one end of the electric telescopic rod.

[0007] Preferably, a first motor is fixedly mounted on one side of the inner wall of the base, and a first screw rod is fixedly connected to the output shaft of the first motor. The first screw rod is connected to the internal thread of the slider to facilitate the movement of the slider.

[0008] Preferably, the electric telescopic rod includes a support arm fixedly connected to the output shaft of the second motor, a third motor is fixedly connected to the inside of the support arm, the output shaft of the third motor is fixedly connected to the second screw rod, the outer surface of the second screw rod is threadedly connected to a moving rod slidably connected to the inner wall of the support arm, one end of the moving rod is fixedly connected to a vertical plate, the adjustable leg support mechanism is fixedly mounted on one side of the top end of the vertical plate, and first openings matching the support arm are provided on both sides of the outer surface of the base to facilitate length adjustment according to the user's legs.

[0009] Preferably, the adjustable leg support mechanism includes an I-shaped plate fixedly connected to one side of the top end of the vertical plate, two slide plates are symmetrically and slidingly connected between the inner two sides of the I-shaped plate, and the upper surfaces of the slide plates are rotatably connected to a plurality of rubber rollers, and a plurality of second openings cooperating with the rubber rollers are sequentially opened on both sides of the upper surface of the I-shaped plate, so as to facilitate limit adjustment according to the thickness of the user's legs.

[0010] Preferably, a fourth motor is fixedly installed on one side of the outer surface of the I-shaped plate, and the output shaft of the fourth motor is fixedly connected to a bidirectional screw rod, which passes through the skateboard and the I-shaped plate in sequence, and is rotatably connected to the inside of the I-shaped plate, and is connected to the internal thread of the skateboard, so as to automatically adjust the distance between the rubber rollers on both sides.

[0011] Preferably, the control mechanism includes a support rod fixedly connected to the front side of the base, and an operation panel is fixedly connected to one side of the top end of the support rod to facilitate human-computer interaction and overall control.

[0012] The utility model provides a muscle stretching device for physical exercise, which has the following beneficial effects:

[0013] 1. The stretching device for physical exercise can control the operation of various mechanisms through the control mechanism, without the need for manual repetitive operations, thereby reducing the workload, thereby solving the problem that the existing device requires manual operation and increases the workload.

[0014] 2. This stretching device for physical exercise can not only achieve the effect of stretching both legs at the same time through the angle adjustment mechanism, but also can drive a single leg to rotate and stretch, thereby improving practicality, thereby solving the problem that the existing device can only stretch both legs at the same time and cannot stretch a single leg, thereby reducing practicality.

[0015] 3. This stretching device for physical exercise, through the electric telescopic rod and the adjustable leg support mechanism, can not only limit the legs of different thicknesses, but also perform rolling massage on the legs, further improving practicality, thereby solving the problem that the elastic protective cover of the existing device is fixed in position and cannot be adjusted and massaged, thereby reducing practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the internal structure of the electric telescopic rod of the utility model;

[0019] Figure 4 It is a structural schematic diagram of the adjustable leg support mechanism of the utility model.

[0020] In the figure, 1. base; 2. angle adjustment mechanism; 21. first motor; 22. first screw rod; 23. slider; 24. gear; 25. second motor; 3. electric telescopic rod; 31. support arm; 32. third motor; 33. second screw rod; 34. moving rod; 35. vertical plate; 4. adjustable leg support mechanism; 41. I-shaped plate; 42. slide plate; 43. rubber roller; 44. fourth motor; 45. bidirectional screw rod; 5. control mechanism; 51. support rod; 52. operation panel. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Embodiment 1:

[0022] like Figure 1 and Figure 2As shown, a stretching device for physical exercise comprises a base 1, wherein an angle adjustment mechanism 2 is installed inside the base 1, wherein two movable ends of the angle adjustment mechanism 2 are fixedly connected with electric telescopic rods 3, wherein the movable ends of the electric telescopic rods 3 are fixedly connected with adjustable leg support mechanisms 4, and a control mechanism 5 matched with the angle adjustment mechanism 2, the electric telescopic rods 3 and the adjustable leg support mechanisms 4 is fixedly installed on the front side of the outer surface of the base 1. When in use, the user first sits on the base 1, and then adjusts the length of the electric telescopic rods 3 and the opening and closing degree of the adjustable leg support mechanisms 4 respectively through the control mechanism 5 according to the length and thickness of his / her legs, and then places his / her legs on the adjustable leg support mechanisms 4, and activates the angle adjustment mechanism 2 according to the required stretching angle, thereby stretching both legs. Embodiment 2:

[0023] like Figure 2 As shown, the angle adjustment mechanism 2 includes a slider 23 slidably connected to the bottom of the base 1, and racks are fixedly connected to both sides of the slider 23. The bottom of the base 1 is symmetrically rotatably connected to two gears 24 meshing with the racks. The upper surface of the gear 24 is fixedly connected to a second motor 25, and the output shaft of the second motor 25 is fixedly connected to one end of the electric telescopic rod 3. A first motor 21 is fixedly installed on one side of the inner wall of the base 1, and a first screw 22 is fixedly connected to the output shaft of the first motor 21. The first screw 22 is connected to the inner thread of the slider 23. The first motor 21 rotates to drive the first screw 22 to rotate, and the slider 23 is driven to move through the thread, so that the gears 24 on both sides can be driven to rotate at the same time through the rack, thereby driving the two electric telescopic rods 3 and the two adjustable leg support mechanisms 4 to rotate at the same time, and then the two legs can be driven to rotate at the same time, so as to achieve the effect of stretching the two legs at the same time. Starting any second motor 25 can drive a single leg to rotate and stretch, thereby improving practicality, thereby solving the problem that the existing device can only rotate and stretch the two legs at the same time and cannot stretch a single leg, thereby reducing practicality. Embodiment 3:

[0024] like Figure 2 and Figure 3As shown, the electric telescopic rod 3 includes a support arm 31 fixedly connected to the output shaft of the second motor 25, the support arm 31 is internally fixedly connected to a third motor 32, the output shaft of the third motor 32 is fixedly connected to a second screw rod 33, the outer surface of the second screw rod 33 is threadedly connected to a moving rod 34 slidably connected to the inner wall of the support arm 31, one end of the moving rod 34 is fixedly connected to a vertical plate 35, the adjustable leg support mechanism 4 is fixedly installed on one side of the top end of the vertical plate 35, and both sides of the outer surface of the base 1 are provided with first openings that match the support arm 31, the third motor 32 rotates to drive the second screw rod 33 to rotate, and the moving rod 34 and the vertical plate 35 are driven to move by the thread, so that the position of the adjustable leg support mechanism 4 can be adjusted according to legs of different lengths. Embodiment 4:

[0025] like Figures 2 to 4 As shown, the adjustable leg support mechanism 4 includes an I-shaped plate 41 fixedly connected to one side of the top end of the vertical plate 35, and two slide plates 42 are symmetrically slidably connected between the inner two sides of the I-shaped plate 41. The upper surfaces of the slide plates 42 are rotatably connected to a plurality of rubber rollers 43, and a plurality of second openings matching the rubber rollers 43 are sequentially opened on both sides of the upper surface of the I-shaped plate 41. A fourth motor 44 is fixedly installed on one side of the outer surface of the I-shaped plate 41, and a bidirectional screw rod 45 is fixedly connected to the output shaft of the fourth motor 44. The bidirectional screw rod 45 passes through the slide plate 42 and the I-shaped plate 41 in sequence, and the bidirectional screw rod 45 is rotatably connected to the inside of the I-shaped plate 41. The bidirectional screw rod 45 is connected to the internal thread of the slide plate 42. The rotation of the fourth motor 44 drives the bidirectional screw rod 45 to rotate, thereby driving the slide plates 42 and the rubber rollers 43 on both sides to move relative to each other, and can limit the position of legs of different thicknesses. In cooperation with the electric telescopic rod 3, the legs can be rolled and massaged, thereby further improving the practicality, thereby solving the problem that the elastic protective cover of the existing device is fixed in position and cannot be adjusted and massaged, thereby reducing the practicality. Embodiment 5:

[0026] like Figure 1 As shown, the control mechanism 5 includes a support rod 51 fixedly connected to the front side of the base 1, and an operation panel 52 is fixedly connected to the top side of the support rod 51. The operation of each mechanism can be controlled by the control mechanism 5, without the need for manual repetitive operations, thereby reducing the workload, thereby solving the problem that the existing device requires manual operation and increases the workload.

[0027] Working principle: When using, the user first sits on the base 1, and then adjusts the length of the electric telescopic rod 3 and the opening and closing degree of the adjustable leg support mechanism 4 through the control mechanism 5 according to the length and thickness of his legs, and then puts his legs on the adjustable leg support mechanism 4, and starts the angle adjustment mechanism 2 according to the required stretching angle, so as to stretch both legs.

[0028] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is defined by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0029] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A muscle stretching device for physical exercise, comprising a base (1), characterized in that: An angle adjustment mechanism (2) is installed inside the base (1); both movable ends of the angle adjustment mechanism (2) are fixedly connected to electric telescopic rods (3); the movable end of the electric telescopic rod (3) is fixedly connected to an adjustable leg support mechanism (4); and a control mechanism (5) that cooperates with the angle adjustment mechanism (2), the electric telescopic rod (3) and the adjustable leg support mechanism (4) is fixedly installed on the front side of the outer surface of the base (1); The angle adjustment mechanism (2) comprises a slider (23) slidably connected to the inner bottom of the base (1), racks being fixedly connected to both sides of the slider (23), two gears (24) meshing with the racks being symmetrically rotatably connected to the inner bottom of the base (1), a second motor (25) being fixedly connected to the upper surface of the gear (24), and an output shaft of the second motor (25) being fixedly connected to one end of the electric telescopic rod (3).

2. A muscle stretching device for physical exercise according to claim 1, characterized in that: A first motor (21) is fixedly mounted on one side of the inner wall of the base (1); an output shaft of the first motor (21) is fixedly connected to a first screw rod (22); and the first screw rod (22) is connected to an internal thread of a slider (23).

3. A muscle stretching device for physical exercise according to claim 1, characterized in that: The electric telescopic rod (3) comprises a support arm (31) fixedly connected to an output shaft of a second motor (25); a third motor (32) is fixedly connected inside the support arm (31); the output shaft of the third motor (32) is fixedly connected to a second screw rod (33); a movable rod (34) slidably connected to an inner wall of the support arm (31) is threadedly connected to an outer surface of the second screw rod (33); one end of the movable rod (34) is fixedly connected to a vertical plate (35); the adjustable leg support mechanism (4) is fixedly mounted on one side of a top end of the vertical plate (35); and first openings matching the support arm (31) are provided on both sides of an outer surface of the base (1).

4. A muscle stretching device for physical exercise according to claim 3, characterized in that: The adjustable leg support mechanism (4) comprises an I-shaped plate (41) fixedly connected to one side of the top end of the vertical plate (35), two slide plates (42) being symmetrically slidably connected between two sides of the I-shaped plate (41), a plurality of rubber rollers (43) being rotatably connected to the upper surfaces of the slide plates (42), and a plurality of second openings cooperating with the rubber rollers (43) being sequentially opened on two sides of the upper surface of the I-shaped plate (41).

5. A muscle stretching device for physical exercise according to claim 4, characterized in that: A fourth motor (44) is fixedly mounted on one side of the outer surface of the I-shaped plate (41); the output shaft of the fourth motor (44) is fixedly connected to a bidirectional screw rod (45); the bidirectional screw rod (45) sequentially passes through the slide plate (42) and the I-shaped plate (41); the bidirectional screw rod (45) is rotatably connected to the inside of the I-shaped plate (41); and the bidirectional screw rod (45) is threadedly connected to the inside of the slide plate (42).

6. A muscle stretching device for physical exercise according to claim 1, characterized in that: The control mechanism (5) comprises a support rod (51) fixedly connected to the front side of the base (1), and an operation panel (52) is fixedly connected to one side of the top end of the support rod (51).

Citation Information

Patent Citations

  • Tendon stretching device for physical exercise

    CN220046991U