Sitting posture pedaling trainer

Abstract

The utility model provides a sitting posture pedaling trainer which comprises a bottom plate, a base is arranged on the right side of the upper end of the bottom plate, a backrest frame is rotationally connected to the base, a rotating assembly used for rotating the backrest frame is arranged between the base and the backrest frame, and a backrest cushion is arranged at the upper end of the backrest frame. According to the sitting posture pedaling training device, the position of the backrest cushion can be adjusted through the adjusting assembly so that the training device can better adapt to the size of the body of a person, the angle of the backrest frame can be adjusted through the rotating assembly, and therefore the sitting posture pedaling training device can be more conveniently used. The normal physiological curvature of the spine of the user can be maintained, and the risk of injury to the waist and the back is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of fitness equipment, and particularly relates to a sitting leg press trainer. Background Art

[0002] A sitting leg press trainer generally refers to a professional fitness device designed for leg strength training, aerobic exercise or rehabilitation exercise in a sitting position. And the pedaling action can enhance the flexibility and stability of the hip, knee and ankle joints, which has a positive effect on preventing arthritis and other lower limb joint diseases. Especially for people who need rehabilitation training, it provides a relatively safe way of exercise.

[0003] In the prior art, usually a backrest frame is arranged above the base, and a backrest pad is arranged on the backrest frame for the user to perform leg pressing training. However, in this way, the backrest pad is fixed on the backrest frame and the position of the backrest pad cannot be adjusted. Since the body sizes, spinal curves and comfort preferences of different users are different, the fixed backrest pad may not meet the individual difference requirements of all users. At the same time, the lack of adjustability means that some users may not be able to find the ideal back support position during use, resulting in discomfort or inability to effectively lean on during the training process, affecting the training experience and effect. Content of the Utility Model

[0004] In view of this, in view of the deficiencies of the prior art, the utility model provides a sitting leg press trainer, which can not only adjust the position of the backrest pad through an adjustment component so that the trainer can better adapt to the individual body size, but also adjust the angle of the backrest frame through a rotation component, which helps to maintain the normal physiological curvature of the user's spine and reduce the risk of back injury.

[0005] To solve the above technical problems, the technical solution adopted by the utility model is: a sitting leg press trainer, including a bottom plate, a base is arranged on the upper right side of the bottom plate, a backrest frame is rotatably connected to the base, a rotation component for rotating the backrest frame is arranged between the base and the backrest frame, a backrest pad is arranged at the upper end of the backrest frame, and an adjustment component for adjusting the front and back position of the backrest frame is arranged on the backrest frame. The adjustment component includes a chute opened on the backrest frame, an adjustment guide rod is slidably connected inside the chute, the left end of the adjustment guide rod is connected with the backrest pad, a plurality of positioning holes three are opened on the adjustment guide rod, and a positioning hole four adapted to the positioning holes three is opened at the front end of the backrest frame. The positioning holes three and the positioning holes four are fixedly connected by a positioning bolt two.

[0006] As a further improvement of the utility model, the rotation component includes an adjustment plate arranged in the middle of the base, a plurality of positioning holes one are opened on the adjustment plate, a positioning hole two adapted to the positioning holes one is opened on the backrest frame, and the positioning holes one and the positioning holes two are fixedly connected by a positioning bolt one.

[0007] As a further improvement of the present utility model, a seat cushion is provided at the upper left end of the base.

[0008] As a further improvement of the present utility model, an instrument bracket is provided at the middle and rear side of the bottom plate, and an instrument assembly is provided at the upper end of the instrument bracket.

[0009] As a further improvement of the present utility model, a rotating seat one is provided at the left end of the bottom plate. A connecting rod one is rotatably provided at the upper end of the rotating seat one. One end of the connecting rod one away from the rotating seat is connected to a pedal. A rotating seat two is provided at the right end of the rotating seat one. A connecting rod two is rotatably provided on the rotating seat two. One end of the connecting rod two away from the rotating seat two is rotatably connected to the pedal. An auxiliary assembly for assisting the rotation of the connecting rod two is provided on the bottom plate.

[0010] As a further improvement of the present utility model, the auxiliary assembly includes a support provided at the upper end of the bottom plate. A cylinder is provided at the upper end of the support. The output end of the cylinder is rotatably connected to the middle of the connecting rod one.

[0011] As a further improvement of the present utility model, an armrest bracket is welded to the middle of the backrest frame, and a handle cover is provided at the end of the armrest bracket.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] First, by providing an adjustment assembly, when it is necessary to adjust the position of the backrest cushion, take out the positioning bolt two, move the adjustment guide rail left and right along the sliding groove to a suitable position, and then reinsert the positioning bolt two into the positioning three and the positioning hole four to re-fix the position of the adjustment guide rod, thereby adjusting the position of the backrest cushion. Different users have different heights, leg lengths, and torso lengths. By adjusting the position of the backrest cushion, the trainer can better adapt to the individual body size, ensuring that the spine maintains a natural physiological curve during pedaling and reducing the discomfort or injury risk caused by improper seat position.

[0014] Second, by providing a rotating assembly, when it is necessary to adjust the rotation angle of the backrest frame, take out the positioning bolt one, rotate the backrest frame to a suitable angle, and then reinsert the positioning bolt into the positioning hole one and the positioning hole two to adjust the angle of the backrest frame. Appropriate angle adjustment helps to maintain the normal physiological curvature of the spine, reduce back pressure, and lower the risk of lumbar and back injuries.

[0015] Third, a handle cover is provided at the end of the armrest bracket. The glove wraps around the end of the armrest bracket, providing a soft and elastic contact surface. Compared with the bare armrest made of hard metal or plastic, it can significantly improve the user's holding comfort.

[0016] Fourthly, by setting up the instrument component, the training data can be displayed in real time to help users quantify the training intensity and progress, so as to accurately control and adjust the exercise plan. Brief Description of the Drawings

[0017] The present utility model will be further described in detail below in conjunction with the drawings and specific embodiments.

[0018] Figure 1 is a structural schematic diagram of the present utility model;

[0019] Figure 2 is a structural schematic diagram of the rotating component of the present utility model;

[0020] Figure 3 is a structural schematic diagram of the adjusting component of the present utility model;

[0021] Figure 4 is a front view structural schematic diagram of the present utility model.

[0022] In the figure: 101, bottom plate; 102, base; 103, backrest frame; 104, backrest pad; 201, chute; 202, adjusting guide rod; 203, positioning hole three; 204, positioning hole four; 205, adjusting plate; 206, positioning hole one; 207, positioning bolt one; 208, positioning bolt two; 301, seat cushion; 302, instrument component; 303, instrument support; 304, rotating seat one; 305, connecting rod one; 306, pedal; 307, rotating seat two; 308, connecting rod two; 309, support; 310, cylinder; 311, armrest frame; 312, handle glove. Specific Embodiments

[0023] To better understand the present utility model, the content of the present utility model will be further clearly described below in conjunction with embodiments. However, the protection scope of the present utility model is not limited to the following embodiments only. In the following description, a large number of specific details are given to provide a more thorough understanding of the present utility model. However, it is obvious to those skilled in the art that the present utility model can be implemented without one or more of these details.

[0024] Such as Figure 1 、 2, as shown in FIGS. 3, a sitting posture pedaling trainer includes a bottom plate 101. A base 102 is provided on the upper right side of the bottom plate 101. A backrest frame 103 is rotatably connected to the base 102. A rotating assembly for rotating the backrest frame 103 is provided between the base 102 and the backrest frame 103. A backrest pad 104 is provided at the upper end of the backrest frame 103. An adjusting assembly for adjusting the front-back position of the backrest frame 103 is provided on the backrest frame 103. The adjusting assembly includes a sliding groove 201 opened on the backrest frame 103. An adjusting guide rod 202 is slidably connected inside the sliding groove 201. The left end of the adjusting guide rod 202 is connected to the backrest pad 104. A number of third positioning holes 203 are opened on the adjusting guide rod 202. A fourth positioning hole 204 adapted to the third positioning hole 203 is opened at the front end of the backrest frame 103. The third positioning hole 203 and the fourth positioning hole 204 are fixedly connected by a second positioning bolt 208. By providing the adjusting assembly, when the position of the backrest pad 104 needs to be adjusted, the second positioning bolt 208 is taken out, the adjusting guide rail is moved left and right along the sliding groove 201 to a suitable position, and then the second positioning bolt 208 is reinserted into the third positioning hole and the fourth positioning hole 204 to fix the position of the adjusting guide rod 202 again, so as to adjust the position of the backrest pad 104. Different users have different heights, leg lengths and torso lengths. By adjusting the position of the backrest pad 104, the trainer can better adapt to the individual body size, ensure that the spine maintains a natural physiological curve during pedaling, and reduce the discomfort or injury risk caused by improper seat position.

[0025] As Figure 1 , 2 shown, the rotating assembly includes an adjusting plate 205 provided in the middle of the base 102. A number of first positioning holes 206 are opened on the adjusting plate 205. A second positioning hole adapted to the first positioning hole 206 is opened on the backrest frame 103. The first positioning hole 206 and the second positioning hole are fixedly connected by a first positioning bolt 207. When the rotation angle of the backrest frame 103 needs to be adjusted, the first positioning bolt 207 is taken out, the backrest frame 103 is rotated to a suitable angle, and then the positioning bolt is reinserted into the first positioning hole 206 and the second positioning hole to adjust the angle of the backrest frame 103. Appropriate angle adjustment helps to maintain the normal physiological curvature of the spine, reduce back pressure and lower the risk of back injury.

[0026] As Figure 1 , 4As shown in the figure, a seat cushion 301 is provided at the upper left end of the base 102, a rotating seat one 304 is provided at the left end of the bottom plate 101, a connecting rod one 305 is rotatably provided at the upper end of the rotating seat one 304, a pedal 306 is connected to the end of the connecting rod one 305 away from the rotating seat, a rotating seat two 307 is provided at the right end of the rotating seat one 304, a connecting rod two 308 is rotatably provided on the rotating seat two 307, and the end of the connecting rod two 308 away from the rotating seat two 307 is rotatably connected to the pedal 306. An auxiliary component for assisting the rotation of the connecting rod two 308 is provided on the bottom plate 101. The auxiliary component includes a support 309 provided at the upper end of the bottom plate 101, a cylinder 310 is provided at the upper end of the support 309, and the output end of the cylinder 310 is rotatably connected to the middle of the connecting rod one 305.

[0027] As Figure 1 , 4 As shown in the figure, an armrest frame 311 is welded to the middle of the backrest frame 103, and a handle cover 312 is provided at the end of the armrest frame 311. The glove is wrapped around the end of the armrest frame 311, which can provide a soft and elastic contact surface. Compared with the exposed armrests made of hard metal or plastic materials, it can significantly improve the user's holding comfort.

[0028] Working principle: When using this device, the user can sit on the seat cushion 301, lean the back against the backrest cushion 104, hold the handle cover 312 with the hand, and then place the feet on the pedal 306. The user exerts force on the pedal 306 to rotate the connecting rod one 305, so as to exercise the user's legs. When the user needs to adjust the position of the backrest cushion 104, take out the positioning bolt two 208, move the adjustment guide rail left and right along the chute 201 to a suitable position, and then reinsert the positioning bolt two 208 into the positioning three and the positioning hole four 204, so as to re-fix the position of the adjustment guide rod 202, thereby adjusting the position of the backrest cushion 104. Different users have different heights, leg lengths and torso lengths. By adjusting the position of the backrest cushion 104, the trainer can better adapt to the individual body size, ensure that the spine maintains a natural physiological curve during pedaling, and reduce the discomfort or injury risk caused by improper seat position. When the user needs to adjust the rotation angle of the backrest frame 103, take out the positioning bolt one 207, rotate the backrest frame 103 to a suitable angle, and then reinsert the positioning bolt into the positioning hole one 206 and the inside of the positioning hole two, thereby adjusting the angle of the backrest frame 103. Appropriate angle adjustment helps to maintain the normal physiological curvature of the spine, reduce back pressure, and reduce the risk of back injury.

[0029] According to another embodiment of the present invention, as Figure 1 , 4As shown in the figure, a meter bracket 303 is provided at the middle and rear side of the bottom plate 101. At the upper end of the meter bracket 303, there is a meter assembly 302 which can display training data in real time to help users quantify the training intensity and progress, so as to accurately control and adjust the exercise plan.

[0030] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit them. Any other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

Claims

1. A seated pedaling training device, comprising a base plate (101), characterized in that: A base (102) is arranged on the right side of the upper end of the bottom plate (101), and a backrest frame (103) is rotatably connected to the base (102). A rotating assembly for rotating the backrest frame (103) is arranged between the base (102) and the backrest frame (103). A backrest cushion (104) is arranged on the upper end of the backrest frame (103). An adjusting assembly for adjusting the front and rear position of the backrest frame (103) is arranged on the backrest frame (103). The adjusting assembly includes a spring disposed on the backrest frame (102). 3), the interior of the slide groove (201) is slidably connected with an adjusting guide rod (202), the left end of the adjusting guide rod (202) is connected with a backrest cushion (104), the adjusting guide rod (202) is provided with a plurality of positioning holes three (203), the front end of the backrest frame (103) is provided with a positioning hole four (204) matched with the positioning hole three (203), the positioning hole three (203) and the positioning hole four (204) are fixedly connected by a positioning bolt two (208).

2. The seated pedaling training device according to claim 1, characterized in that: The rotating assembly comprises an adjusting plate (205) arranged in the middle of the base (102), a plurality of positioning holes (206) are provided on the adjusting plate (205), and positioning holes (2) matching the positioning holes (206) are provided on the backrest frame (103), and the positioning holes (206) and the positioning holes (206) are fixedly connected with each other via positioning bolts (207).

3. The seated pedaling training device according to claim 1, characterized in that: A seat cushion (301) is provided at the upper left end of the base (102).

4. The seated pedaling training device according to claim 1, characterized in that: An instrument bracket (303) is arranged at the rear side of the middle part of the bottom plate (101), and an instrument assembly (302) is arranged at the upper end of the instrument bracket (303).

5. The seated pedaling training device according to claim 1, characterized in that: A rotating seat 1 (304) is arranged at the left end of the base plate (101), a connecting rod 1 (305) is rotatably arranged at the upper end of the rotating seat 1 (304), and a pedal (306) is connected to the end of the connecting rod 1 (305) away from the rotating seat, a rotating seat 2 (307) is arranged at the right end of the rotating seat 1 (304), a connecting rod 2 (308) is rotatably arranged on the rotating seat 2 (307), and the end of the connecting rod 2 (308) away from the rotating seat 2 (307) is rotatably connected to the pedal (306), and an auxiliary component for assisting the rotation of the connecting rod 2 (308) is arranged on the base plate (101).

6. The seated pedaling training device according to claim 5, characterized in that: The auxiliary component comprises a support (309) arranged at the upper end of the base plate (101), a cylinder (310) is arranged at the upper end of the support (309), and an output end of the cylinder (310) is rotatably connected to the middle part of the connecting rod (305).

7. The seated pedaling training device according to claim 1, characterized in that: An armrest frame (311) is welded to the middle of the backrest frame (103), and a handle cover (312) is arranged at the end of the armrest frame (311).

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