Adjustable knee joint trainer based on air resistance load

Abstract

The utility model provides an adjustable knee joint trainer based on air resistance load, which comprises a bottom plate, a support frame I arranged in the middle of the upper end of the bottom plate, a support frame II arranged in the middle of the left side of the support frame I, a bearing seat arranged at one end of the support frame II far away from the support frame I, and a support pipe rotationally arranged on the bearing seat, according to the adjustable knee joint training device based on the air resistance load, the height of the rotating sleeve can be adjusted through the first adjusting assembly so that the training intensity and difficulty can be customized according to the specific situation of an individual, the front-back position of the backrest can be adjusted through the second adjusting assembly, and the training intensity and difficulty can be adjusted conveniently. The thighs and the knee joints of the trainee can correspond to functional parts of the training instrument more accurately, and the accuracy and effectiveness of training are ensured.

Description

Technical Field

[0001] The utility model belongs to the technical field of fitness equipment, and particularly relates to an adjustable knee joint trainer based on air resistance load. Background Art

[0002] A knee trainer is a medical device specially designed to improve knee function, promote rehabilitation, prevent injuries or enhance knee muscle strength. It drives the knee joint to perform passive, continuous flexion and extension movements through a mechanical device, which helps to improve joint mobility, reduce inflammation, relieve pain and promote healing.

[0003] In the prior art, a seat cushion and a back cushion are arranged on a support frame, a base is arranged at the front end of the support frame, a rotating arm tube is rotatably arranged on the base, a rotating sleeve support tube is arranged on the rotating arm tube, and a rotating sleeve is arranged on the rotating sleeve support tube, so as to facilitate the user to perform training. However, in this method, the rotating sleeve support tube is fixedly arranged on the rotating arm tube, and the height of the rotating sleeve cannot be adjusted. Different users have different heights, leg lengths and knee joint rehabilitation needs. The rotating sleeve with a fixed height may not be able to adapt to the physiological characteristics of all users, resulting in the comfort and effectiveness of the knee flexion and extension exercise being affected during use. In particular, it may be difficult for taller or shorter users to find a suitable training position, which greatly reduces the training effect. Utility Model Content

[0004] In view of this, the utility model aims at the deficiencies of the prior art and provides an adjustable knee joint trainer based on air resistance load, which can not only adjust the height of the rotating sleeve by adjusting component one so as to customize the training intensity and difficulty according to the individual's specific circumstances, but also adjust the front and rear position of the backrest by adjusting component two, so that the trainee's thighs and knee joints can more accurately correspond to the functional components of the training equipment, thereby ensuring the accuracy and effectiveness of the training.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is: an adjustable knee joint trainer based on air resistance load, including a base plate, a support frame 1 is arranged in the middle of the upper end of the base plate, a support frame 2 is arranged in the middle of the left side of the support frame 1, a bearing seat is arranged at the end of the support frame 2 away from the support frame 1, a support tube is rotatably arranged on the bearing seat, a rotating arm tube is arranged on the support tube, a fan-shaped adjustment plate is rotatably arranged on the lower end of the rotating arm tube, a rotating sleeve support tube is arranged on the fan-shaped adjustment plate, a rotating sleeve is arranged on the rotating sleeve support tube, and an adjustment component 1 for adjusting the height of the rotating sleeve is arranged on the rotating arm tube.

[0006] As a further improvement of the utility model, the adjustment component 1 includes a through hole 1 arranged on the rotating arm tube, and a plurality of through holes 2 are opened on the fan-shaped adjustment plate, and the through holes 2 and the through holes 1 are fixedly connected by an adjustment pin.

[0007] As a further improvement of the utility model, a seat cushion is arranged at the upper left end of the support frame 1, a waist belt is arranged on the seat cushion, and armrests are arranged at both ends of the seat cushion.

[0008] As a further improvement of the utility model, a backrest branch pipe is provided in the middle of the right end of the support frame 1, a back pad is provided at the upper end of the backrest branch pipe, and an adjustment component 2 for adjusting the left and right position of the back pad is provided on the backrest branch pipe.

[0009] As a further improvement of the utility model, adjustment component 2 includes a slide groove arranged on the backrest branch pipe, an adjustment guide rod is slidably arranged inside the slide groove, a back pad is arranged at the left end of the adjustment guide rod, an adjustment hole 1 is arranged on the front side of the backrest branch pipe, a plurality of adjustment holes 2 are evenly arranged on the adjustment guide rod, the adjustment hole 1 and the adjustment hole 2 are fixedly connected by a positioning bolt, and an adjustment handle is arranged at the front end of the positioning bolt.

[0010] As a further improvement of the utility model, an instrument bracket is arranged on the rear side of the bottom plate, an instrument is arranged on the instrument bracket, a mobile phone bracket is arranged on the front side of the instrument, and a plurality of pads 2 are arranged on the lower end of the bottom plate.

[0011] As a further improvement of the utility model, a sensor is arranged between the upper end of the second support frame and the rotating arm tube, and a cylinder is rotatably arranged between the middle part of the second support frame and the rotating arm tube.

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

[0013] Firstly, by setting the adjustment component 1, when the height of the swivel sleeve needs to be adjusted, the adjustment pin is removed, and the fan-shaped adjustment plate is rotated. The swivel sleeve support tube rotates with the fan-shaped adjustment plate, thereby changing the height of the swivel sleeve. When it is rotated to a suitable position, the through hole 1 and the through hole 2 are fixedly connected by the adjustment pin to adjust the height of the swivel sleeve. Each person's physical condition, flexibility, strength level and rehabilitation stage are different. By adjusting the height of the swivel sleeve, the training intensity and difficulty can be customized according to the individual's specific situation to ensure that the training is both effective and safe.

[0014] Secondly, by setting up a waist belt, during knee joint training, especially when it involves the contraction and extension of the front and back thigh muscles, the shift of body center of gravity or improper force may cause waist compensation, increasing the risk of waist injury. The presence of a waist belt can disperse some of the pressure, reduce the burden on the waist muscles and spine, and help prevent sports injuries such as waist sprains and strains.

[0015] Thirdly, by setting the adjustment component 2, when the position of the backrest needs to be adjusted, remove the positioning bolt, move the adjustment guide rod left and right along the slide slot to the appropriate position, the back pad moves accordingly, and then reinsert the positioning bolt into the adjustment hole 1 and the adjustment hole 2, so as to adjust the front and rear position of the backrest. When people of different body shapes and heights use the knee joint trainer, by adjusting the front and rear position of the back pad, the trainee's thighs and knee joints can more accurately correspond to the functional components of the training equipment, thereby ensuring the accuracy and effectiveness of the training.

[0016] Fourthly, the mobile phone holder can place the mobile phone firmly to prevent it from slipping during training, ensuring that the user can focus on training without being distracted by holding the device, thereby improving the safety and comfort of training. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the cylinder, sensor, and swing arm tube structure of the utility model;

[0020] Figure 3 This is a structural schematic diagram of an adjustment component of the utility model;

[0021] Figure 4 This is a structural schematic diagram of the second regulating component of the utility model.

[0022] In the figure: 101, bottom plate; 102, support frame one; 103, support frame two; 104, bearing seat; 105, support tube; 106, swivel arm tube; 107, fan-shaped adjustment plate; 108, swivel sleeve support tube; 109, swivel sleeve; 110, through hole two; 111, adjustment pin; 112, seat cushion; 113, waist belt; 114, armrest; 201, backrest branch pipe; 202, back pad; 203, adjustment guide rod; 204, adjustment hole one; 205, adjustment hole two; 206, positioning bolt; 301, instrument bracket; 302, instrument; 303, mobile phone bracket; 304, pad two; 305, sensor; 306, cylinder. DETAILED DESCRIPTION

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

[0024] like Figure 1 , 2 As shown in Figure 3, an adjustable knee joint trainer based on air resistance load includes a base plate 101, a support frame 102 is arranged in the middle of the upper end of the base plate 101, a support frame 2 103 is arranged in the middle of the left side of the support frame 102, a bearing seat 104 is arranged at the end of the support frame 2 103 away from the support frame 102, a support tube 105 is rotatably arranged on the bearing seat 104, a rotating arm tube 106 is arranged on the support tube 105, a fan-shaped adjustment plate 107 is rotatably arranged on the lower end of the rotating arm tube 106, a rotating sleeve support tube 108 is arranged on the fan-shaped adjustment plate 107, a rotating sleeve support tube 109 is arranged on the rotating sleeve support tube 108, and an adjusting component 1 for adjusting the height of the rotating sleeve 109 is arranged on the rotating arm tube 106, and the adjusting component 1 includes a through hole 1 arranged on the rotating arm tube 106, and the fan-shaped A plurality of through holes 110 are provided on the adjustment plate 107, and the through holes 110 are fixedly connected with the through holes 1 by adjusting pins 111. By setting the adjustment component 1, when it is necessary to adjust the height of the rotating sleeve 109, the adjusting pin 111 is removed, and the fan-shaped adjustment plate 107 is rotated. The rotating sleeve support tube 108 rotates with the fan-shaped adjustment plate 107, thereby changing the height of the rotating sleeve 109. When it is rotated to a suitable position, the through holes 1 and 110 are fixedly connected by adjusting the pins 111 to adjust the height of the rotating sleeve 109. Each person's physical condition, flexibility, strength level and rehabilitation stage are different. By adjusting the height of the rotating sleeve 109, the training intensity and difficulty can be customized according to the individual's specific situation to ensure that the training is both effective and safe.

[0025] like Figure 1 , 2 As shown, a cushion 112 is provided at the upper left end of the support frame 102, a waist belt 113 is provided on the cushion 112, and armrests 114 are provided at both ends of the cushion 112. During the knee joint training process, especially the contraction and extension of the front and back thigh muscles, the shift of the body's center of gravity or improper force may cause waist compensation, increasing the risk of waist injury. The presence of the waist belt 113 can disperse part of the pressure, reduce the burden on the waist muscles and spine, and help prevent sports injuries such as waist sprains and strains.

[0026] like Figure 1 , 4As shown, a backrest branch pipe 201 is provided at the middle of the right end of the support frame 102, a back pad 202 is provided at the upper end of the backrest branch pipe 201, an adjustment component 2 for adjusting the left and right positions of the back pad 202 is provided on the backrest branch pipe 201, the adjustment component 2 includes a slide groove provided on the backrest branch pipe 201, an adjustment guide rod 203 is provided for sliding inside the slide groove, the back pad 202 is provided at the left end of the adjustment guide rod 203, an adjustment hole 1 204 is provided on the front side of the backrest branch pipe 201, a plurality of adjustment holes 205 are evenly provided on the adjustment guide rod 203, and the adjustment hole 1 204 and the adjustment hole 205 are fixedly connected by positioning bolts 206 Next, an adjustment handle is provided at the front end of the positioning bolt 206. By setting the adjustment component 2, when the position of the backrest needs to be adjusted, the positioning bolt 206 is removed, and the adjustment guide rod 203 is moved left and right along the slide groove to a suitable position, and the back pad 202 moves accordingly. Then, the positioning bolt 206 is reinserted into the adjustment hole 1 204 and the adjustment hole 2 205, so as to adjust the front and rear position of the backrest. When people of different body shapes and heights use the knee joint trainer, by adjusting the front and rear position of the back pad, the trainee's thighs and knee joints can more accurately correspond to the functional components of the training equipment, thereby ensuring the accuracy and effectiveness of the training.

[0027] like Figure 1 , 2 As shown, an instrument bracket 301 is arranged on the rear side of the base plate 101, an instrument 302 is arranged on the instrument bracket 301, and a mobile phone bracket 303 is arranged on the front side of the instrument 302. The mobile phone bracket 303 can firmly place the mobile phone to prevent the mobile phone from slipping during training, ensuring that the user can focus on the training without being distracted by the handheld device, thereby improving the safety and comfort of the training.

[0028] like Figure 1 As shown, a sensor 305 is arranged between the upper end of the second support frame 103 and the rotating arm tube 106 , and a cylinder 306 is rotatably arranged between the middle part of the second support frame 103 and the rotating arm tube 106 .

[0029] Working principle: When using this device, when it is necessary to adjust the height of the rotating sleeve 109, remove the adjusting pin 111, rotate the fan-shaped adjustment plate 107, and the rotating sleeve support tube 108 rotates with the fan-shaped adjustment plate 107, thereby changing the height of the rotating sleeve 109. When it is rotated to a suitable position, the through hole 1 and the through hole 2 110 are fixedly connected by the adjusting pin 111 to adjust the height of the rotating sleeve 109. When it is necessary to adjust the position of the backrest, remove the positioning bolt 206, move the adjusting guide rod 203 left and right along the slide groove to a suitable position, and the back pad 202 moves accordingly, and then reinsert the positioning bolt 206 into the adjustment hole The front and rear positions of the backrest can be adjusted by adjusting the front and rear positions of the backrest pad 204 and the inside of the adjustment hole 205. When people of different body shapes and heights use the knee joint trainer, by adjusting the front and rear positions of the backrest pad, the thighs and knee joints of the trainees can more accurately correspond to the functional components of the training equipment, thereby ensuring the accuracy and effectiveness of the training. After the adjustment is completed, the user sits on the seat cushion 112, with his back against the back pad 202, and his ankles hooked on the rotating sleeve 109 to rotate the rotating arm tube 106 obliquely upward to feel the contraction of the leg muscles, and then slowly and controlledly return the rotating sleeve 109 to the starting position along the original trajectory, and this cycle is repeated to exercise the user.

[0030] According to another embodiment of the present invention, Figure 1 As shown, a plurality of pads 304 are provided at the lower end of the base plate 101. The pads 304 can increase the contact area between the trainer and the ground and improve the overall stability of the equipment. Especially when conducting knee joint rehabilitation training with high intensity or involving the transfer of body center of gravity, the pads can effectively prevent the trainer from sliding or overturning and ensure the safety of the user.

[0031] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Other modifications or equivalent substitutions made to the technical solution of the utility model by ordinary technicians in this field should be included in the scope of the claims of the utility model as long as they do not depart from the spirit and scope of the technical solution of the utility model.

Claims

1. An adjustable knee joint trainer based on air resistance load, comprising a base plate (101), characterized in that: A support frame 1 (102) is arranged in the middle of the upper end of the bottom plate (101), a support frame 2 (103) is arranged in the middle of the left side of the support frame 1 (102), a bearing seat (104) is arranged at one end of the support frame 2 (103) away from the support frame 1 (102), a support tube (105) is rotatably arranged on the bearing seat (104), a rotating arm tube (106) is arranged on the support tube (105), a fan-shaped adjustment plate (107) is rotatably arranged at the lower end of the rotating arm tube (106), a rotating sleeve support tube (108) is arranged on the fan-shaped adjustment plate (107), a rotating sleeve (109) is arranged on the rotating sleeve support tube (108), and an adjustment component 1 for adjusting the height of the rotating sleeve (109) is arranged on the rotating arm tube (106).

2. The adjustable knee joint trainer based on air resistance load as claimed in claim 1, characterized in that: The adjustment component 1 comprises a through hole 1 arranged on the rotating arm tube (106), and the fan-shaped adjustment plate (107) is provided with a plurality of through holes 2 (110), and the through holes 2 (110) are fixedly connected to the through holes 1 via adjustment pins (111).

3. The adjustable knee joint trainer based on air resistance load as claimed in claim 1, characterized in that: A seat cushion (112) is arranged at the upper left end of the support frame 1 (102), a waist belt (113) is arranged on the seat cushion (112), and armrests (114) are arranged at both ends of the seat cushion (112).

4. The adjustable knee joint trainer based on air resistance load as claimed in claim 1, characterized in that: A backrest branch pipe (201) is arranged at the middle of the right end of the support frame 1 (102), a backrest plate (202) is arranged at the upper end of the backrest branch pipe (201), and an adjustment component 2 for adjusting the left and right position of the backrest plate (202) is arranged on the backrest branch pipe (201).

5. The adjustable knee joint trainer based on air resistance load as claimed in claim 4, characterized in that: The second adjustment component comprises a slide groove arranged on the backrest branch pipe (201), an adjustment guide rod (203) is slidably arranged inside the slide groove, a back pad (202) is arranged at the left end of the adjustment guide rod (203), an adjustment hole 1 (204) is arranged on the front side of the backrest branch pipe (201), a plurality of adjustment holes 2 (205) are evenly arranged on the adjustment guide rod (203), the adjustment hole 1 (204) and the adjustment hole 2 (205) are fixedly connected by a positioning bolt (206), and an adjustment handle is arranged at the front end of the positioning bolt (206).

6. The adjustable knee joint trainer based on air resistance load as claimed in claim 1, characterized in that: An instrument bracket (301) is arranged at the rear side of the bottom plate (101), an instrument (302) is arranged on the instrument bracket (301), a mobile phone bracket (303) is arranged at the front side of the instrument (302), and a plurality of pads (304) are arranged at the lower end of the bottom plate (101).

7. The adjustable knee joint trainer based on air resistance load as claimed in claim 1, characterized in that: A sensor (305) is arranged between the upper end of the second support frame (103) and the rotating arm tube (106), and a cylinder (306) is rotatably arranged between the middle part of the second support frame (103) and the rotating arm tube (106).

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