Arm and wrist strength training device

Abstract

This invention relates to an arm and wrist strength trainer, comprising a training platform, an arm strength training bar, and a first resistance device. A fixed frame is fixedly mounted on the bottom of the training platform. The arm strength training bar is U-shaped, with one side of the first resistance device connected to the bottom of the arm strength training bar and the other side connected to the fixed frame. A through hole is provided on the training platform, and rotating shaft bases are fixedly mounted on both sides of the through hole. The arm strength training bar is movably connected to the rotating shaft bases and reciprocates around the axis of the rotating shaft bases. The upper part of the arm strength training bar is hollow, housing a wrist strength training bar, and the lower part of the arm strength training bar is equipped with a second resistance device. This invention cleverly combines a wrist strength trainer and an arm strength trainer, simultaneously training both arm and wrist strength.

Description

Technical Field

[0001] This invention belongs to the field of sports equipment, especially arm and wrist strength training devices. Background Technology

[0002] Arm wrestling requires strength not only in the wrist muscles but also in the biceps, forearm flexors, triceps, and brachioradialis muscles. Common arm strength training devices on the market are strip-shaped elastic bars. Users use their arms to bend the bar inward into a U-shape and then back to a straight shape, repeating this action to train the arms. Another type is a triangular wrist strength trainer (grip wand). Users hold the grip with one hand and pull it in and out to train the wrist. However, these devices only have a single function and cannot effectively train different arm muscle groups, resulting in inconvenience and failing to simultaneously meet the needs of both arm and wrist strength. Summary of the Invention

[0003] To address the aforementioned problems, the present invention achieves the above objectives through the following technical solution:

[0004] An arm and wrist strength trainer includes a training platform, an arm strength training bar, and a first resistance device. A fixed frame is fixed to the bottom of the training platform. The arm strength training bar is U-shaped. One side of the first resistance device is connected to the lower part of the arm strength training bar, and the other side is connected to the fixed frame. A through hole is provided on the training platform, and pivot bases are provided on both sides of the through hole. A pivot is provided on the pivot base, and a fastener is integrally provided on the pivot. The fastener is securely fastened to the middle of the arm strength training bar, which rotates around the pivot. The upper part of the arm strength training bar is hollow, and a wrist strength training bar is located inside. A second resistance device is provided at the lower part of the arm strength training bar, and the lower part of the wrist strength training bar is connected to the second resistance device.

[0005] As a further optimization of the present invention, the wrist strength training bar is L-shaped, with a handle connected to the top and a second resistance device connected to the bottom; the handle is sleeved on the top of the arm strength training bar and rotates together with the wrist strength training bar.

[0006] As a further optimization of the present invention, the second resistance device includes a tension spring bracket and a tension spring; the tension spring is disposed on both sides of the wrist strength training bar, and one end of the tension spring is connected to the tension spring bracket, and the other end is connected to the end of the wrist strength training bar.

[0007] As a further optimization of the present invention, a force measuring device is provided between the end of the tension spring and the wrist strength training bar; a display is provided on the training table; and the force measuring device is electrically connected to the wrist strength display.

[0008] As a further optimization of the present invention, the first resistance device includes a resistance support and an elastic device, wherein the two ends of the elastic device are fixedly connected to the resistance support; the elastic device includes a plurality of tension springs.

[0009] As a further optimization of the present invention, a force measuring device is provided between the resistance support and the fixed frame, and a display is provided on the training table. The force measuring device is electrically connected to the arm strength display.

[0010] As a further optimization of the present invention, the training platform is provided with grips, the number of grips being 2, the grips being located on both sides of the arm strength training bar, and the arm strength training bar being located on the perpendicular line connecting the grips.

[0011] As a further optimization of the present invention, a vertical shaft assembly is provided on the training platform of the rotating base. The vertical shaft assembly includes a vertical shaft, a bearing, and a vertical shaft seat. The upper part of the vertical shaft is square and the lower part is cylindrical, and the lower part is movably mounted in the vertical shaft seat through the bearing. In addition, a main base is fixedly provided at the bottom of the rotating base. A square hole is provided at the center of the main base, and the main base is fitted onto the vertical shaft through the square hole. With this arrangement, the arm strength training bar can not only achieve pitching motion but also lateral movement during training, making the training more similar to actual combat.

[0012] As a further optimization of the present invention, the training platform is provided with two arc-shaped through holes, which are symmetrically arranged on both sides of the rotating shaft base. A rotation range limiting device is fastened in the arc-shaped through holes. The rotation range limiting device in the arc-shaped through holes on the left and right sides can limit the rotation range of the arm strength training bar.

[0013] As a further optimization of the present invention, a crossbar is fixedly provided at the bottom of the training platform. The crossbar is at the same height as the resistance support and is parallel to the training platform. A helical spring is provided between the resistance support and the crossbars on the left and right sides. When the arm strength training bar is pressed down and rotated to one side, the helical spring provided on the opposite side of the rotation direction will be stretched and deformed, generating a large rebound force. This can increase the torque of the arm strength training bar rotation, thereby further improving the training effect.

[0014] The beneficial effects of this invention are as follows:

[0015] 1) In this invention, the trainer uses the resistance of the resistance device as the training load for arm wrestling training;

[0016] 2) The exercise load can be changed by replacing different models of resistance devices. The structure is simple and the function is stable.

[0017] 3) This device cleverly combines a wrist strength trainer with an arm strength trainer, training both arm and wrist strength simultaneously.

[0018] 4) This device allows for real-world simulations and live-fire exercises at any time. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of the present invention;

[0020] Figure 2 This is a schematic diagram of the arm strength training bar portion of the present invention;

[0021] Figure 3 This is a side view of the wrist strength training bar portion of the present invention;

[0022] Figure 4 This is a schematic diagram of the rotating shaft base structure of the present invention;

[0023] Figure 5 This is a schematic diagram of the fastener structure of the present invention;

[0024] Figure 6 This is a schematic diagram of the vertical axis assembly structure of the present invention;

[0025] Figure 7 This is a schematic diagram of the vertical shaft seat structure of the present invention;

[0026] Figure 8 This is a schematic diagram of the overall base structure of the present invention;

[0027] Figure 9 This is a schematic diagram of the vertical shaft and bearing of the present invention;

[0028] Figure 10 This is a schematic diagram of the fit between the vertical shaft and the vertical shaft seat of the present invention;

[0029] Figure 11 This is a top view of the present invention after the training platform has been removed;

[0030] In the diagram: 1. Training table; 11. Fixing frame; 12. Through hole; 13. Rotary shaft base; 131. Rotary shaft; 132. Fastener; 14. Display; 15. Vertical shaft assembly; 151. Vertical shaft; 152. Bearing; 153. Vertical shaft sleeve; 16. Arc-shaped through hole; 161. Rotation range limiting device; 17. Horizontal bar; 18. Helical spring; 2. Arm strength training bar; 3. First resistance device; 31. Resistance bracket; 32. Elastic device; 4. Wrist strength training bar; 41. Handle; 5. Second resistance device; 51. Tension spring bracket; 52. Tension spring; 6. Force gauge; 7. Grip; 8. Protective plate; 9. Main base; 91. Square hole. Detailed Implementation

[0031] The present application will now be described in further detail with reference to the accompanying drawings. It should be noted that the following specific embodiments are only used to further illustrate the present application and should not be construed as limiting the scope of protection of the present application. Those skilled in the art can make some non-essential improvements and adjustments to the present application based on the above application content.

[0032] like Figures 1 to 5 The arm and wrist strength training device shown includes a training table 1, an arm strength training bar 2, and a first resistance device 3. The table is designed to simulate the actual arm wrestling, so as to maximize the feeling of competition.

[0033] The bottom of the training table 1 is fixedly provided with a fixing frame 11, and the upper and lower sides of the connection between the fixing frame 11 and the force measuring device 6 are provided with protective plates 8; the protective plates are used to protect the user's body safety and prevent components such as tension springs from accidentally breaking and injuring the human body during training.

[0034] The training platform 1 is provided with two grips 7. The grips 7 are located on both sides of the arm strength training bar 2, and the arm strength training bar 2 is located on the vertical line connecting the grips 7. The grips make it convenient for one hand to hold the grip with the other hand to stabilize the body posture when training with one hand.

[0035] The arm strength training bar 2 is U-shaped. One side of the first resistance device 3 is connected to the lower part of the arm strength training bar 2, and the other side is connected to the fixing frame 11. The training platform 1 is provided with a through hole 12, and there are rotating shaft bases 13 on both sides of the through hole 12. The rotating shaft base 13 is provided with a rotating shaft 131, and a fastener 132 is integrally provided on the rotating shaft 131. The fastener 132 is fastened to the middle of the arm strength training bar 2, and the arm strength training bar 2 rotates around the rotating shaft 131. In addition to the structure on the rotating shaft, the fastener also includes a locking structure, that is, the training bar and the fastener can be fastened together by the locking and screws, so as to realize the rotation of the training bar around the rotating shaft. Since the arm length of the trainees is different, in order to facilitate the training needs of different trainees, the position of the fastener fastened to the training bar can be adjusted by adjusting the tightness of the screw, so as to meet the needs of different trainees' arm lengths.

[0036] The first resistance device 3 includes a resistance bracket 31 and an elastic device 32. The two ends of the elastic device 32 are fixedly connected to the resistance bracket 31. The elastic device 32 includes several tension springs or elastic rubber strips.

[0037] To provide a more intuitive understanding of the training parameters, a force measuring device 6 is installed between the resistance support 31 and the fixed frame 11, and a display 14 is installed on the training table 1. The force measuring device 6 is electrically connected to the display 14; the force value can be displayed on the display.

[0038] When using the device, the trainee rests their right elbow on the training table 1, in a straight line with the arm strength training bar 2, and can hold the handle 7 on the competition table with their left hand. The torso should not touch the training table 1. Then, the trainee holds the handle 41 with their right hand and turns it to the left. At this time, the bottom of the arm strength training bar 2 moves to the right and pulls the first resistance device 3. At this time, the elastic device 32 between the resistance supports 31 is stretched and deformed, and then the elastic device 32 provides a rebound force. Thus, wrist strength training is carried out through the rebound force of the tension spring or elastic rubber strip. If necessary, different tension forces can be provided by changing the model and specifications of the tension spring or elastic rubber strip to achieve better training results.

[0039] like Figure 2 , Figure 3 The upper part of the arm strength training bar 2 shown is hollow, and a wrist strength training bar 4 is installed inside. A second resistance device 5 is fixedly installed at the lower part of the arm strength training bar 2. The second resistance device 5 includes a tension spring bracket 51 and a tension spring 52. The tension spring 52 is located on both sides of the wrist strength training bar 4, and one end of the tension spring 52 is connected to the tension spring bracket 51, and the other end is connected to the end of the wrist strength training bar 4.

[0040] The wrist strength training bar 4 is L-shaped, with a handle 41 connected to the top and a second resistance device 5 connected to the bottom; the handle 41 is sleeved on the top of the arm strength training bar 2 and rotates together with the wrist strength training bar 4.

[0041] To provide a more intuitive understanding of the strength parameters during wrist strength training, a force measuring device 6 is installed between the end of the tension spring 52 and the wrist strength training bar 4; a display 14 is also installed on the training table 1; the force measuring device 6 is electrically connected to the display 14; thus, the strength value can be displayed on the display 14.

[0042] When the trainee uses the wrist strength trainer, the posture is the same as that used in the arm strength training described above. Then, hold the handle 41 and repeatedly perform wrist twisting movements. The handle 41 and the upper part of the wrist strength training bar 4 rotate together in the twisting direction. The lower part of the wrist strength training bar pulls the tension spring on one side. Wrist strength training is performed through the rebound force of the tension spring. If necessary, different tension can be provided by changing the model and specifications of the tension spring, thereby achieving better training results.

[0043] For example Figures 6 to 10The training table 1 of the rotating base 13 shown is provided with a vertical shaft assembly 15. The vertical shaft assembly 15 includes a vertical shaft 151, a bearing 152, and a vertical shaft sleeve 153. The upper part of the vertical shaft 151 is square and the lower part is cylindrical. It is movably mounted in the vertical shaft sleeve 153 through the bearing 152 and can rotate left and right. In addition, a main base 9 is fixedly provided at the bottom of the rotating base 13. A square hole 91 is provided at the center of the main base 9. The main base 9 is fitted onto the vertical shaft 151 through the square hole 91. During installation, the entire vertical shaft assembly is embedded in the training table. The top of the vertical shaft 151 is lower than the height of the fastener 132. This will not affect the rotation of the rotating shaft 131, that is, it will not affect the rotation of the training rod. When the hand holds the training rod and presses it down, the arm will naturally produce a small rotation. Through the above structure, a small rotation can be achieved, making the training more natural and making the training of the trainee closer to the actual combat situation.

[0044] To prevent the bottom of the training bar from hitting the side of the through hole when it rotates slightly left and right during training, the through hole 12 is designed as a fan shape. The fan shape makes it easier for the trainee to rotate the training bar along the vertical axis assembly 15 structure during training without affecting the rotation of the structure. If it is not designed as a fan shape, the training bar will hit the hole wall due to the rotation of the training bar. This structural design expands the range of left and right swing of the arm strength training bar without colliding with the hole wall.

[0045] The training platform 1 has two arc-shaped through holes 16, which are symmetrically arranged on both sides of the rotating shaft base 13. A rotation range limiting device 161 is fastened to each arc-shaped through hole 16. The rotation range limiting device 161 can be a bolt or screw, movable within the arc-shaped through hole, and its position can be adjusted according to the trainee's habits. When the main base and the rotating shaft base are assembled onto the vertical shaft through the square hole in the middle of the main base, left and right rotation is possible. The rotation range limiting device restricts the rotation angle of the rotating shaft base, preventing the part of the training rod inside the fan-shaped through hole from colliding with the sides of the through hole and causing damage to the training rod. With this feature, the arm strength training rod can not only perform pitch movements but also left and right movements during training. The rotation range limiting devices in the arc-shaped through holes on the left and right sides restrict the rotation range of the arm strength training rod, making training more realistic.

[0046] like Figure 11As shown, to further enhance the training effect of the arm strength training bar, a crossbar 17 is fixedly installed at the bottom of the training table 1. The two sides of the crossbar are fixedly connected to the legs of the training table, and the crossbar 17 is at the same height as the resistance support 31 and parallel to the training table 1. A helical spring 18 is installed between the resistance support 31 and the crossbar 17 on the left and right sides. When the arm strength training bar is pressed down and rotated to one side, the helical spring installed on the opposite side of the rotation direction will be stretched and deformed, generating a large rebound force. This can increase the torque of the arm strength training bar rotation, thereby further improving the training effect. At the same time, as the strength of the trainee increases, the number of helical springs 18 can be increased between the resistance support 31 and the crossbar 17 on the left and right sides to ensure the training effect.

[0047] The embodiments described above are merely examples of several implementations of the present invention, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of the present invention, and these modifications and improvements all fall within the scope of protection of the present invention.

Claims

1. An arm and wrist strength training device, comprising a training table (1), an arm strength training rod (2), and a first resistance device (3), characterized in that: A fixing frame (11) is fixedly provided at the bottom of the training table (1); the arm strength training rod (2) is in a bent shape; one side of the first resistance device (3) is connected to the lower part of the arm strength training rod (2), and the other side is connected to the fixing frame (11); a through hole (12) is provided on the training table (1); a rotating shaft base (13) is provided on both sides of the through hole (12); the through hole (12) is configured as a fan; a rotating shaft (131) is provided on the rotating shaft base (13) The rotating shaft (131) is integrally provided with a fastener (132), the fastener (132) is fastened to the middle part of the arm strength training rod (2), and the arm strength training rod (2) rotates around the rotating shaft (131); the upper part of the arm strength training rod (2) is hollow in design, and a wrist strength training rod (4) is arranged therein; the lower part of the arm strength training rod (2) is fixedly provided with a second resistance device (5), and the lower part of the wrist strength training rod (4) is connected to the second resistance device (5); The wrist strength training rod (4) is L-shaped, and the top of the wrist strength training rod (4) is connected to a handle (41); the handle (41) is sleeved on the top of the arm strength training rod (2) and rotates together with the wrist strength training rod (4); The second resistance device (5) comprises a tension spring bracket (51) and a tension spring (52); the tension spring (52) is arranged on both sides of the wrist strength training rod (4), and one end of the tension spring (52) is connected to the tension spring bracket (51), and the other end is connected to the end of the wrist strength training rod (4); The first resistance device (3) comprises a resistance bracket (31) and an elastic device (32), wherein both ends of the elastic device (32) are fixedly connected to the resistance bracket (31); the elastic device (32) comprises a plurality of tension springs; The training table (1) is provided with grips (7), the number of the grips (7) is 2, the grips (7) are arranged on both sides of the arm strength training rod (2), and the arm strength training rod (2) is arranged on a vertical line of the line connecting the grips (7); A vertical shaft assembly (15) is provided on the training table (1) of the rotating shaft base (13), and the vertical shaft assembly (15) comprises a vertical shaft (151), a bearing (152), and a vertical shaft seat sleeve (153). The upper part of the vertical shaft (151) is square, and the lower part is cylindrical, and the lower part is movably arranged in the vertical shaft seat sleeve (153) through the bearing (152); a main base (9) is fixedly provided at the bottom of the rotating shaft base (13), and a square hole (91) is provided at the center of the main base (9), and the main base (9) is sleeved on the vertical shaft (151) through the square hole (91); The training table (1) is provided with two arc-shaped through holes (16), the arc-shaped through holes (16) are symmetrically arranged on both sides of the rotating shaft base (13), and a rotation range limiting device (161) is fastened in the arc-shaped through holes (16); A cross bar (17) is fixedly provided at the bottom of the training table (1), the cross bar (17) is at the same height as the resistance bracket (31) and is parallel to the training table (1), and a coil spring (18) is provided between the cross bars (17) on the left and right sides of the resistance bracket (31).

2. The arm and wrist strength training device according to claim 1, characterized in that: A dynamometer (6) is provided between the tension spring (52) and the end of the wrist strength training rod (4); a display (14) is provided on the training table (1); and the dynamometer (6) is electrically connected to the display (14).

3. The arm and wrist strength training device according to claim 1, characterized in that: A force meter (6) is provided between the resistance bracket (31) and the fixing bracket (11), a display (14) is provided on the training table (1), and the force meter (6) is electrically connected to the display (14).

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