CN209361762U - A high-tension back muscle trainer for physical education teaching - Google Patents

Abstract

The utility model discloses a high-tension back muscle trainer for physical education, which comprises a bottom support frame, a top support frame, a counter and a display screen. The top support frame is arranged on one side of the bottom support frame, and the bottom support frame A mounting seat is provided under the frame, a cushion is provided above the bottom support frame, a leg support is provided above the seat cushion, a gravity box is provided inside the top support frame, and the display is provided above the gravity box Screen. The beneficial effect is that the utility model can adjust the strength of the back muscle training by adjusting the number of extension springs, and can freely match according to the trainer's own situation, can provide high-intensity back muscle training, and improve the training effect. The hydraulic damper can play a damping role in the downward movement of the middle support plate, so that the middle support plate can fall steadily and prevent the trainer from being injured due to the excessive force of the extension spring.

Description

A high-tension back muscle trainer for physical education teaching

technical field

The utility model relates to the technical field of back muscle trainers, in particular to a high-tension back muscle trainer for physical education teaching.

Background technique

In recent years, some students usually study and work for a long time, and often keep the same sitting posture. In addition, incorrect posture and high study intensity will inevitably cause back muscle pain, muscle fatigue, and then cause low back pain. In severe cases, it may cause low back pain. Muscle strain, lumbar disc herniation and other symptoms, the high-tension back muscle trainer mainly exercises the latissimus dorsi, trapezius, deltoid and biceps, which can improve the strength of the back muscles of the body, strengthen the stretching of the back muscles and abdominal muscles and ligaments Strengthen the coordination and cooperation ability of the small back muscles, increase the flexibility and flexibility of the back muscles, and effectively improve the exercise endurance of the back, but the tension adjustment range of the existing back muscle trainers for physical education is relatively small. It cannot provide high-intensity back muscle training, and at the same time, during the stretching and falling process, due to the large reaction force, it is easy to cause the handle to fall off due to the slippery hand of the trainer, which brings certain hidden dangers to the safety of the trainer.

Utility model content

(1) Technical problems to be solved

In order to overcome the deficiencies in the prior art, a high-tension back muscle training device for physical education teaching is now proposed, which solves the problem that the tension adjustment range of the existing back muscle training device for physical education teaching is relatively small, and cannot provide high-intensity back muscle training. And it is easy to cause the handle to come off because of the slippery hand of the trainer, which brings certain hidden dangers to the safety of the trainer.

(2) Technical solutions

The utility model is realized through the following technical solutions: the utility model proposes a high-tension back muscle trainer for physical education, including a bottom support frame, a top support frame, a counter and a display screen, and one side of the bottom support frame is provided with a The top support frame, the bottom support frame is provided with a mounting seat, the bottom support frame is provided with a cushion, the seat cushion is provided with a leg support, and the top support frame is provided with a gravity box inside. The display screen is arranged above the gravity box, a rear cover is arranged under one side wall of the gravity box, a power plug is arranged on one side of the gravity box, and two sides are arranged inside the gravity box. A guide column, the guide column is provided with a guide sleeve, the guide sleeve is provided with an intermediate support plate, and a hydraulic damper is provided between the two sides below the intermediate support plate and the gravity box, and the gravity box A hook is arranged below the body, a tension spring is arranged between the hook and the middle support plate, a pull rope is arranged above the middle support plate, and a handle is arranged at the other end of the pull rope. The counter is provided, and a support pulley is provided on the upper side of the top support frame.

Further, the bottom support frame is welded to the top support frame, the mounting seat is welded to the bottom support frame, and the seat cushion is connected to the bottom support frame by screws.

Further, the leg support is rotatably connected to the bottom support frame, and the gravity box is connected to the top support frame by screws.

Further, the display screen is connected to the top support frame and the gravity box by screws, the pull cord is bound to the handle, and the support pulley is connected to the top support frame by screws.

Further, the guide column is in interference connection with the gravity box, the guide sleeve is in interference connection with the intermediate support plate, and the guide sleeve is in sliding connection with the guide column.

Further, the tension spring is connected to the gravity box through a hook, and the hydraulic damper is connected to the intermediate support plate and the gravity box through screws, and the model of the hydraulic damper is STAB-O -SHOC.

Further, the counter is connected to the gravity box by screws, the rear cover is connected to the gravity box by hinges, and the model of the counter is GH-JS50.

(3) Beneficial effects

Compared with the prior art, the utility model has the following beneficial effects:

1. In order to solve the problem that the tension adjustment range of the existing back muscle training device for physical education is relatively small and cannot provide high-intensity back muscle training, the utility model can adjust the intensity of the back muscle training by adjusting the number of extension springs. Adjustment can be freely matched according to the trainer's own situation, which can provide high-intensity back muscle training and improve the training effect;

2. In order to solve the problem that the existing back muscle trainer for physical education is in the process of stretching and falling back, due to the relatively large reaction force, it is easy to cause the handle to fall off due to the slippery hand of the trainer, which brings safety problems to the trainer. To solve the problem of certain hidden dangers, the utility model can play a damping role in the process of the downward movement of the middle support plate by setting a hydraulic damper, so that the middle support plate can decline stably, and prevent the trainee from being hurt by the excessive force of the tension spring. cause some damages.

Description of drawings

Fig. 1 is the front view of a high-tension back muscle training device for physical education described in the utility model;

Fig. 2 is the main cross-sectional view of the gravity box in a high-tension back muscle training device for physical education described in the utility model;

Fig. 3 is a left view of the gravity box of a high-tension back muscle trainer for physical education teaching according to the utility model.

The reference signs are explained as follows:

1. Bottom support frame; 2. Top support frame; 3. Mounting seat; 4. Cushion; 5. Leg support; 6. Gravity box; 7. Handle; 8. Support pulley; 9. Pull rope; 10. Power supply Plug; 11, display screen; 12, guide column; 13, guide sleeve; 14, counter; 15, middle support plate; 16, hydraulic damper; 17, extension spring; 18, hook; 19, rear cover.

Detailed ways

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

As shown in Figures 1-3, a high-tension back muscle training device for physical education includes a bottom support frame 1, a top support frame 2, a counter 14 and a display screen 11, and a top support frame is arranged on one side of the bottom support frame 1 2. There is an installation seat 3 under the bottom support frame 1. The installation seat 3 is used to fix the high tension back muscle trainer. A cushion 4 is arranged above the bottom support frame 1. A leg support 5 is arranged above the seat cushion 4. The leg support 5 is used to support the trainer's legs, and plays the role of safety protection. The top support frame 2 is provided with a gravity box 6 inside, a display screen 11 is arranged above the gravity box 6, and a display screen 11 is arranged below the gravity box 6 side walls. Rear cover plate 19, power plug 10 is arranged on one side of gravity box body 6, and power plug 10 is connected with external power source, and gravity box body 6 is provided with guide post 12 on both sides, and guide post 12 is provided with guide sleeve 13, The guide sleeve 13 is provided with an intermediate support plate 15, the guide column 12 and the guide sleeve 13 provide guidance for the movement of the intermediate support plate 15, and a hydraulic damper 16 is arranged between the two sides below the intermediate support plate 15 and the gravity box 6. Damper 16 can provide damping force in the process of intermediate support plate 15 falling, prevents intermediate support plate 15 under the effect of extension spring 17, descending speed is too fast, injures trainer, and gravity box body 6 is provided with hook 18 below, An extension spring 17 is arranged between the hook 18 and the middle support plate 15 to provide a reverse force for the trainer’s back muscle training. The middle support plate 15 is provided with a stay rope 9, and the other end of the stay rope 9 is provided with a handle 7. A counter 14 is provided on the inner wall of the box body 6, and the counter 14 can record the number of times the trainer stretches, and then displays it through the display screen 11, which is convenient and intuitive. The top support frame 2 top side is provided with a support pulley 8.

As shown in Figure 1, the bottom support frame 1 is welded to the top support frame 2, the mounting base 3 is welded to the bottom support frame 1, the seat cushion 4 is connected to the bottom support frame 1 by screws, and the mounting base 3 is used to fix the high tension back muscle training The material of the seat cushion 4 is comfortable and soft, which can improve the comfort of the trainer during the training process.

As shown in Figure 1, the leg support 5 is connected with the bottom support frame 1 in rotation, and the leg support 5 is used to support the legs of the trainer, which can play the role of safety protection. The gravity box 6 and the top support frame 2 are connected by screws connect.

As shown in Figure 1, the display screen 11 is connected with the top support frame 2 and the gravity box 6 by screws, the stay rope 9 is bound with the handle 7, the support pulley 8 is connected with the top support frame 2 by screws, and the display screen 11 is used for The number of times the trainer trains is displayed, which is convenient and intuitive, and the support pulley 8 plays the role of supporting the stay rope 9.

As shown in Figures 1-2, the guide column 12 is in interference connection with the gravity box 6, the guide sleeve 13 is in interference connection with the middle support plate 15, the guide sleeve 13 is in sliding connection with the guide column 12, and the guide column 12 is connected with the guide sleeve 13. Guidance is provided for the movement of the intermediate support plate 15 .

As shown in Figures 1-2, the tension spring 17 is connected to the gravity box 6 through a hook 18, and the hydraulic damper 16 is connected to the middle support plate 15 and the gravity box 6 through screws. The model of the hydraulic damper 16 is STAB- O-SHOC, the hydraulic damper 16 can effectively prevent the middle support plate 15 from moving downward quickly, and play the role of damping, preventing the trainer from being hurt due to the excessive force of the extension spring 17.

As shown in Figures 1-3, the counter 14 is connected to the gravity box 6 by screws, and the rear cover 19 is connected to the gravity box 6 by a hinge. The model of the counter 14 is GH-JS50, and the counter 14 is used to record trainers The number of times the back muscles are stretched.

The working principle of a high-tension back muscle training device for physical education teaching mentioned in the utility model: before using the high-tension back muscle training device for physical education teaching, the high-tension back muscle training for physical education teaching is first passed through the mounting seat 3 The device is fixed in a suitable position, then the power plug 10 is connected with the external power supply, the back cover 19 is opened, and according to the self-condition of the person exercising, a suitable number of extension springs 17 is selected to be installed for training, and then the back cover 19 is covered for training. The person sits on the seat cushion 4, puts the legs under the leg support 5, and then pulls the handle 7 to move downwards, the handle 7 pulls the middle support plate 15 through the pull rope 9, moves upward along the guide column 12, and the extension spring 17 Generate a downward force, which can exercise the back muscles that are being exercised. The hydraulic damper 16 can effectively prevent the middle support plate 15 from moving downward quickly, and play a damping role to prevent excessive force caused by the extension spring 17. To cause injury to the trainer, in the process of training, the number of times the trainer stretches can be recorded by the counter 14, and then displayed on the display screen 11, so that the trainer can choose the appropriate training intensity according to his own situation.

The above-mentioned embodiments are only descriptions of preferred implementations of the present utility model, and are not intended to limit the concept and scope of the present utility model. Under the premise of not departing from the design concept of the present utility model, various modifications and improvements made by ordinary persons in the art to the technical solution of the present utility model should fall into the protection scope of the present utility model, and the technology claimed by the utility model The contents are all described in the claims.

Claims (7)

1. a high-tension back muscle trainer for physical education, is characterized in that: comprise bottom support frame (1), top support frame (2), counter (14) and display screen (11), described bottom support frame ( 1) The top support frame (2) is provided on one side, the mounting base (3) is provided below the bottom support frame (1), and the seat cushion (4) is provided above the bottom support frame (1). A leg support (5) is arranged above the seat cushion (4), a gravity box (6) is arranged inside the top support frame (2), and the display screen (11) is arranged above the gravity box (6) , a rear cover (19) is arranged under one side wall of the gravity box (6), a power plug (10) is arranged on one side of the gravity box (6), and a power plug (10) is arranged inside the gravity box (6). Both sides are provided with guide columns (12), described guide columns (12) are provided with guide sleeves (13), described guide sleeves (13) are provided with intermediate support plates (15), and described intermediate support plates ( 15) A hydraulic damper (16) is arranged between the two sides of the bottom and the gravity box (6), and a hook (18) is arranged at the bottom of the gravity box (6), and the hook (18) is connected to the gravity box (6). A tension spring (17) is arranged between the middle support plates (15), a stay rope (9) is arranged above the middle support plate (15), and a handle (7) is arranged at the other end of the stay rope (9). The counter (14) is provided on the inner wall of the gravity box (6), and a support pulley (8) is provided on the upper side of the top support frame (2). 2. A high-tension back muscle trainer for physical education according to claim 1, characterized in that: the bottom support frame (1) is welded to the top support frame (2), and the mounting base (3 ) is welded with the bottom support frame (1), and the cushion (4) is connected with the bottom support frame (1) by screws. 3. A high-tension back muscle trainer for physical education according to claim 1, characterized in that: the leg support (5) is rotatably connected to the bottom support frame (1), and the gravity box (6) is connected with the top support frame (2) by screws. 4. A high-tension back muscle training device for physical education according to claim 1, characterized in that: the display screen (11) and the top support frame (2) and the gravity box (6) They are all connected by screws, the stay rope (9) is bound with the handle (7), and the support pulley (8) is connected with the top support frame (2) by screws. 5. A kind of high-tension back muscle trainer for physical education according to claim 1, characterized in that: said guide post (12) is in interference connection with said gravity box (6), and said guide sleeve ( 13) Interferingly connected with the middle support plate (15), the guide sleeve (13) is slidably connected with the guide column (12). 6. A high-tension back muscle trainer for physical education according to claim 1, characterized in that: the extension spring (17) is connected with the gravity box (6) through a hook (18), and the The hydraulic damper (16) is connected with the middle support plate (15) and the gravity box (6) by screws, and the model of the hydraulic damper (16) is STAB-O-SHOC. 7. A kind of high-tension back muscle training device for physical education according to claim 1, characterized in that: said counter (14) is connected with said gravity box (6) by screws, and said rear cover ( 19) It is connected with the gravity box (6) through a hinge, and the model of the counter (14) is GH-JS50.