Leg protection device based on physical exercise training

Abstract

The invention discloses a leg protection device based on physical exercise training, and relates to the technical field of sports equipment. The cable protective sleeve comprises a protective sleeve and a protective plate. Medicament is stored in the medicine storage box and the air bag in advance, after an athlete wears the protective sleeve, the protective plate and the latex tube can be tightly attached to the legs, if the legs are injured in the training process, the support is rapidly pressed, the support can drive the transverse frame and the pull rod to move, and the medicament in the medicine storage box can flow to the latex tube and is finally discharged out of the latex tube; the movable seat is not limited at the moment, the air bag can be driven to move towards the conical head by pushing the movable seat in sequence, and the medicament in the air bag can be sprayed out after the outer rod is pushed inwards by the conical head, so that the medicament is sprayed at the front end of the leg; the whole leg can be quickly nursed, so that leg swelling is avoided, and the recovery period is shortened.

Description

Technical Field

[0001] The present application relates to the technical field of sports equipment, and in particular to a leg protection device based on sports training. Background Art

[0002] The function of a sports knee brace is to fix the entire or partial knee joint, which can minimize the possibility of knee wear and dislocation during exercise, effectively prevent various injuries in various sports, and protect the patella and meniscus at the knee. Some professional repair knee braces can even play an auxiliary role in injury recovery.

[0003] Sports knee pads usually use EVA covers. The combination of EVA plates and covers can support the legs and reduce the impact force on the legs. However, due to the athletes' unstable movement methods during exercise, the legs will be injured in different ways. Although they are not hit by external forces, contusion and dislocation can also cause leg injuries. At this time, if the legs are not swollen and inflamed in time, it is easy to aggravate the discomfort of the legs, and eventually lead to a longer recovery period. Summary of the Invention

[0004] One of the purposes of the present application is to provide a leg protection device based on sports training.

[0005] In order to achieve the above purpose, the technical solution adopted in this application is: a leg protection device based on sports training, including a sheath and a guard plate, a movable seat is slidably connected to the guard plate, an airbag is provided on the movable seat inside the guard plate, a through opening is opened on the back side of the guard plate corresponding to the airbag output port, a conical head is provided in the through opening, a medicine storage box is provided inside the guard plate, a blocking plate is slidably connected to the inside of the medicine storage box, the input end of the blocking plate is connected to a cross frame, a rocker arm is rotatably connected to the guard plate below the cross frame, the input end of the rocker arm is provided with a bracket, one end of the bracket is located on the outside of the guard plate, and a latex tube is provided on the outside of the guard plate to communicate with the medicine storage box.

[0006] Preferably, a screw cap is threadedly connected to the side wall of the movable seat, the movable seat is hexagonal as a whole, the input end of the movable seat is located on the outer end face of the guard plate, an inner groove is opened inside the guard plate, the airbag is located in the inner groove of the guard plate, the airbag is arranged in an elliptical shape as a whole, and a guide rod is provided on the movable seat on the side of the airbag.

[0007] Preferably, a bent frame is connected to the guide rod, and the bent frame is arranged in an L-shape as a whole. One end of the bent frame is connected to the inner wall of the inner groove of the guard plate. A first spring is sleeved on the guide rod, one end of the first spring is hung on the bent frame, and the other end of the first spring is hung on the movable seat.

[0008] Preferably, a top rod is provided on the side wall of the bracket in the inner groove, and the top rod is arranged vertically on the bracket. The top rod and the bracket are arranged in an L-shape as a whole. One end of a rocker arm is overlapped below the top rod, and a movable rod is provided on the rocker arm. The movable rod is rotatably connected to the side wall of the inner groove of the guard plate.

[0009] Preferably, a pull rod is provided at the input end of the blocking plate, and an opening is provided at the output end of the blocking plate. The blocking plate is located at the connection between the latex tube and the medicine storage box, and the opening is communicated with the latex tube and the medicine storage box respectively. The medicine storage box is arranged in a rectangular shape as a whole, and the latex tube is embedded in the sheath, and a leakage port is provided on the latex tube.

[0010] Preferably, a cross frame is fixed on the pull rod, and a limit rod is provided on the cross frame and the pull rod. The limit rods are slidably connected to the guard plate, and a second spring is sleeved on the limit rod on the cross frame. One end of the second spring is hung on the upper side of the inner groove of the guard plate, and the cross frame is overlapped on the rocker arm below.

[0011] Preferably, a boss is provided on the side wall of the pull rod, an adjacent rocker arm is overlapped below the boss, a connecting frame is provided on the horizontal frame in the rotation direction of the rocker arm, and both the horizontal frame and the connecting frame are provided with a clamping rod, the clamping rods on the horizontal frame and the connecting frame are of different lengths, and the clamping rods are all inserted into the corresponding bayonet sockets.

[0012] Preferably, the airbag is provided with a long tube, the long tube is provided with a bayonet, the long tube is provided with a fixing frame, the fixing frame is generally U-shaped, an outer rod is slidably connected to the fixing frame, the outer rod is connected to the fixing frame, one end of the outer rod is provided with an inner rod, and the inner rod faces inside the long tube.

[0013] Preferably, a tapered mouth is provided in the long tube, the small end of the tapered mouth faces the airbag, the diameter of the small end of the tapered mouth is larger than the diameter of the inner rod, the inner rod is connected through the tapered mouth, and a baffle is provided on the inner end of the inner rod, and the diameter of the baffle is larger than the diameter of the small end of the tapered mouth.

[0014] Preferably, a third spring is sleeved on the outer rod, and the third spring is located between the fixing frame and the inner rod. A side plate is provided at the opening corresponding to the outer rod, and a conical head is provided on the side plate, and the small end of the conical head faces the outer rod.

[0015] Compared with the prior art, the present invention has the following advantages:

[0016] 1. The present invention can be extended and retracted inward and outward by installing a guard plate on the sheath and arranging a movable seat on the guard plate. A latex tube is also provided on the guard plate and sewn and embedded in the sheath. When the sheath is worn, it can be wrapped around the athlete's legs due to its elasticity. The elasticity of the latex tube can further tighten the leg. The hollow setting of the latex tube will not affect the flow of the medicine inside the medicine box. The medicine inside the latex tube can soak the sheath when it is discharged. After the sheath absorbs the medicine, it can be applied to the leg and can also play a role in binding. The latex tube is located on the leg. On the back of the leg, the guard plate is located on the front side of the leg. A through hole is opened on the guard plate, and a conical head is provided at the through hole. The conical head can push the outer rod, and the outer rod will drive the inner rod to move, and the baffle of the inner rod will not be blocked at the conical mouth. When the medicine is injected into the airbag through the syringe, the pressure in the airbag will increase. When the baffle does not block the conical mouth, the medicine in the airbag can be sprayed out and sprayed to the front of the leg. The periphery of the leg can be quickly coated with medicine, thereby timely reducing inflammation and swelling, so that athletes can get care quickly after injury and shorten the recovery period.

[0017] 2. The present invention sets a bracket on the guard plate, and the bracket can move inside and outside the guard plate. A push rod is provided on the bracket, and the push rod is overlapped on the rocker rod inside the guard plate. The other end of the rocker rod is overlapped on the protrusion of the cross frame and the pull rod. When the bracket moves toward the inside of the guard plate, the push rod will push the rocker rod, and the rocker rod will be able to push the cross frame and the protrusion, and the cross frame and the pull rod will move up. When the cross frame moves up, the clamping rod will be away from the clamping port, and the movable seat will not be restricted, and the movable seat can move on the guard plate. By setting the movable seat, it will be limited in the initial state , to prevent the leakage of medicine when the athlete is not injured, the blocking plate can be pulled up when the pull rod moves up, and when the blocking plate moves up, the opening will move to the connection position of the medicine storage box and the latex tube, and the opening will enable the medicine in the medicine box to flow into the latex tube, and the medicine will eventually be discharged through the leakage hole on the latex tube, thereby quickly soaking the sheath, so that the sheath with medicine is wrapped around the athlete's leg. The initial position of the blocking plate is blocked at the connection position of the medicine storage box and the latex tube, thereby blocking the flow of medicine and preventing the loss of medicine. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0019] Figure 2 It is a structural schematic diagram of the guard plate in the present invention.

[0020] Figure 3 Schematic diagram of the internal structure of the guard plate in the present invention.

[0021] Figure 4 Schematic diagram of the structure of the airbag in the present invention.

[0022] Figure 5 It is a cross-sectional view of the long tube in the present invention.

[0023] Figure 6 It is a structural schematic diagram of the opening in the present invention.

[0024] Figure 7 For the present invention Figure 3 Schematic diagram of the enlarged structure of area A in the middle.

[0025] Figure 8 For the present invention Figure 3 Schematic diagram of the enlarged structure of area B in the middle.

[0026] In the figure: 1. sheath; 2. guard plate; 3. movable seat; 4. screw cover; 5. leakage port; 6. latex tube; 7. bracket; 8. inner groove; 9. clamping rod; 10. connecting frame; 11. medicine storage box; 12. blocking plate; 13. opening; 14. air bag; 15. first spring; 16. bending frame; 17. guide rod; 18. limit rod; 19. second spring; 20. cross frame; 21. pull rod; 22. convex seat; 23. rocker arm; 24. movable rod; 25. push rod; 26. long tube; 27. bayonet; 28. inner rod; 29. outer rod; 30. third spring; 31. through port; 32. fixing frame; 33. tapered port; 34. baffle; 35. tapered head; 36. side panel. DETAILED DESCRIPTION

[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts shall fall within the scope of protection of the present invention.

[0028] like Figures 1 to 8As shown, the present invention provides a leg protection device based on sports training, including a sheath 1 and a guard plate 2, a movable seat 3 is slidably connected to the guard plate 2, an air bag 14 is provided on the movable seat 3 inside the guard plate 2, a through opening 31 is opened on the back side of the guard plate 2 corresponding to the output port of the air bag 14, a conical head 35 is provided in the through opening 31, a medicine storage box 11 is provided inside the guard plate 2, a blocking plate 12 is slidably connected to the inside of the medicine storage box 11, the input end of the blocking plate 12 is connected to a cross frame 20, a rocker arm 23 is rotatably connected to the guard plate 2 below the cross frame 20, a bracket 7 is provided at the input end of the rocker arm 23, one end of the bracket 7 is located on the outside of the guard plate 2, and a latex tube 6 is provided on the outside of the guard plate 2 to communicate with the medicine storage box 11. The medicine is stored in the medicine storage box 11 and the air bag 14 in advance. After the athlete wears the sheath 1, the guard plate 2 and the latex tube 6 can fit tightly against the leg. If the leg is injured during training, the bracket 7 can be pressed quickly, and the bracket 7 will drive the cross frame 20 and the pull rod 21 to move. The medicine in the medicine storage box 11 will flow to the latex tube 6 and finally be discharged to the outside of the latex tube 6, thereby soaking the sheath 1. The sheath 1 with the medicine can be applied to the leg. At this time, the movable seat 3 will not be restricted. By pushing the movable seat 3 in turn, the movable seat 3 can drive the air bag 14 to move toward the position of the conical head 35. After the conical head 35 pushes the outer rod 29 inward, the medicine in the air bag 14 will be sprayed out, thereby spraying on the front end of the leg. The entire leg can be quickly cared for, thereby avoiding leg swelling and shortening the recovery period.

[0029] A screw cap 4 is threadedly connected to the side wall of the movable seat 3. The movable seat 3 is hexagonal in shape. The input end of the movable seat 3 is located on the outer end face of the guard plate 2. An inner groove 8 is formed inside the guard plate 2. The airbag 14 is located within the inner groove 8 of the guard plate 2. The airbag 14 is elliptical in shape. A guide rod 17 is provided on the movable seat 3 on the side of the airbag 14. The airbag 14 can be sealed by the screw cap 4. After the injection is completed, the screw cap 4 can be closed on the movable seat 3, thereby sealing the airbag 14. The medicine storage box 11 is equipped with a screw cap 4 of the same structure to facilitate the injection of medicine.

[0030] The guide rod 17 is connected to a curved frame 16, which is L-shaped. One end of the curved frame 16 is connected to the inner wall of the inner groove 8 of the guard plate 2. The guide rod 17 is sleeved with a first spring 15, one end of which is hooked on the curved frame 16, and the other end of the first spring 15 is hooked on the movable seat 3. The setting of the curved frame 16 can guide the guide rod 17, and the guide rod 17 can only move at the position of the curved frame 16. By sleeved with the first spring 15 on the guide rod 17, the movable seat 3 is pushed and moves into the interior of the guard plate 2. When it is no longer pushed, the first spring 15 can drive the movable seat 3 to return to its original position.

[0031] During implementation, by installing the guard plate 2 on the sheath 1 and setting a movable seat 3 on the guard plate 2, the sheath 2 can be extended and retracted inward and outward. The guard plate 2 is also provided with a latex tube 6, which is sewn and embedded in the sheath 1. When the sheath 1 is worn, it can be wrapped around the athlete's legs due to its elasticity, and can be further fastened to the legs due to its elasticity. Since the hollow setting of the latex tube 6 will not affect the flow of the medicine inside the medicine box 11, the medicine inside the latex tube 6 can soak the sheath 1 when it is discharged. After the sheath 1 absorbs the medicine, it can be applied to the leg, and can also play a role in binding. The latex tube 6 is located on the back of the leg, and the guard plate 2 is located on the front side of the leg. A through opening 31 is opened on the guard plate 2. A conical head 35 is provided at the position of the through opening 31. The conical head 35 can push the outer rod 29, so that the outer rod 29 drives the inner rod 28 to move. The baffle 34 of the inner rod 28 will not be blocked at the position of the conical opening 33. When the medicine is injected into the airbag 14 through the needle, the pressure in the airbag 14 will increase. When the baffle 34 does not block the conical opening 33, the medicine in the airbag 14 can be sprayed out and sprayed to the front side of the leg. The outer periphery of the leg can be quickly coated with medicine, thereby timely reducing inflammation and swelling, so that athletes can receive quick care after injury and shorten the recovery period.

[0032] A top rod 25 is provided on the side wall of the bracket 7 in the inner groove 8. The top rod 25 is arranged vertically on the bracket 7. The top rod 25 and the bracket 7 are arranged in an L-shape as a whole. One end of a swing rod 23 is overlapped below the top rod 25. The swing rod 23 is provided with a movable rod 24. The movable rod 24 is rotatably connected to the side wall of the inner groove 8 of the guard plate 2. The top rod 25 can be driven by the bracket 7, and the top rod 25 can be moved at the position of the guard plate 2. When the top plate overlaps the swing rod 23, it can push the swing rod 23 to rotate. When the swing rod 23 rotates, it can drive the cross frame 20 and the pull rod 21 to move. When the cross frame 20 and the pull rod 21 move, the clamping rod 9 and the blocking plate 12 can be moved.

[0033] A pull rod 21 is provided at the input end of the blocking plate 12, and an opening 13 is provided at the output end of the blocking plate 12. The blocking plate 12 is located at the connection between the latex tube 6 and the medicine storage box 11, and the opening 13 is communicated with the latex tube 6 and the medicine storage box 11 respectively. The medicine storage box 11 is arranged in a rectangular shape as a whole, and the latex tube 6 is embedded in the sheath 1 around it. The latex tube 6 is provided with a leakage opening 5. Through the connection between the pull rod 21 and the blocking plate 12, the blocking plate 12 can move with the pull rod 21, and the opening 13 of the blocking plate 12 can be moved to the connection between the latex tube 6 and the medicine storage box 11. The medicine in the medicine storage box 11 can flow into the latex tube 6 and finally be discharged through the leakage opening 5. When the blocking plate 12 is driven by the pull rod 21 and reset, it can block the medicine storage box 11 again, thereby preventing the flow of medicine.

[0034] A cross frame 20 is fixed to the pull rod 21. Both the cross frame 20 and the pull rod 21 are provided with a limit rod 18. The limit rod 18 is slidably connected to the guard plate 2. A second spring 19 is sleeved on the limit rod 18 on the cross frame 20. One end of the second spring 19 is hooked on the upper side of the inner groove 8 of the guard plate 2. The cross frame 20 is overlapped on the rocker arm 23 below. By providing the limit rod 18 on the cross frame 20 and the pull rod 21, the cross frame 20 and the pull rod 21 can be restricted. The cross frame 20 and the pull rod 21 can be raised and lowered at the position of the limit rod 18. The pull rod 21 and the cross frame 20 will not deviate during movement. By sleeved on the second spring 19 on the limit rod 18, the second spring 19 can drive the pull rod 21 and the cross frame 20 in the opposite direction, so that the pull rod 21 and the cross frame 20 can be reset.

[0035] A boss 22 is provided on the side wall of the pull rod 21, and an adjacent rocker arm 23 is overlapped below the boss 22. A connecting frame 10 is provided on the cross frame 20 in the direction of rotation of the rocker arm 23. Both the cross frame 20 and the connecting frame 10 are provided with a latching rod 9. The latching rods 9 on the cross frame 20 and the connecting frame 10 are of different lengths and are inserted into corresponding latching holes 27. By providing the boss 22 on the pull rod 21, it can overlap with the rocker arm 23. When the rocker arm 23 rotates, it can push the boss 22. When the boss 22 moves, the pull rod 21 as a whole moves. The cross frame 20 is provided with a connecting frame 10. Both the cross frame 20 and the connecting frame 10 are provided with a latching rod 9. The position of the airbag 14 on the guard plate 2 is different, and the length of the latching rod 9 will be different. Through the connection between the connecting frame 10 and the cross frame 20, the latching rods 9 can move simultaneously.

[0036] The airbag 14 is provided with a long tube 26, a bayonet 27, and a fixing bracket 32. The fixing bracket 32 is generally U-shaped. An outer rod 29 is slidably connected to the fixing bracket 32. The outer rod 29 is connected to the fixing bracket 32. An inner rod 28 is provided at one end of the outer rod 29, and the inner rod 28 faces into the interior of the long tube 26. The fixing bracket 32 on the long tube 26 can restrain the outer rod 29, allowing the outer rod 29 to move within the fixing bracket 32. A third spring 30 is sleeved on the outer rod 29, which drives the inner rod 28 to remain in a state of moving outward from the long tube 26. A baffle 34 on the inner rod 28 can block the tapered opening 33, thereby preventing the medicine in the airbag 14 from being sprayed out.

[0037] The long tube 26 is provided with a tapered opening 33, the small end of which faces the airbag 14. The diameter of the small end of the tapered opening 33 is larger than the diameter of the inner rod 28, which is connected to and extends through the tapered opening 33. A baffle 34 is provided on the inner end of the inner rod 28. The baffle 34 has a diameter larger than the small end of the tapered opening 33. The baffle 34 blocks the tapered opening 33, thereby preventing the medicine in the airbag 14 from being ejected.

[0038] A third spring 30 is sleeved on the outer rod 29 and positioned between the fixing bracket 32 and the inner rod 28. A side plate 36 is provided at the position of the opening 31 corresponding to the outer rod 29. The side plate 36 is provided with a tapered head 35, with the small end of the tapered head 35 facing the outer rod 29. When the movable seat 3 moves, the outer rod 29 moves toward the tapered head 35. When the outer rod 29 is struck by the tapered head 35, it drives the inner rod 28 into the long tube 26. The baffle 34 on the inner rod 28 moves away from the tapered opening 33, thereby ventilating the airbag 14 and allowing the medicine to be ejected.

[0039] In practice, by setting a bracket 7 on the guard plate 2, the bracket 7 can move inside and outside the guard plate 2, and a push rod 25 is provided on the bracket 7. The push rod 25 is overlapped on the rocker 23 in the guard plate 2, and the other end of the rocker 23 is overlapped on the protrusion of the cross frame 20 and the pull rod 21. When the bracket 7 moves toward the inside of the guard plate 2, the push rod 25 will push the rocker 23, and the rocker 23 will be able to push the cross frame 20 and the protrusion, and the cross frame 20 and the pull rod 21 will move up. When the cross frame 20 moves up, the clamping rod 9 will be away from the clamping port 27, and the movable seat 3 will not be restricted. The movable seat 3 can move on the guard plate 2. By setting the movable seat 3 at the initial The medicine will be limited in the initial state to prevent the leakage of medicine when the athlete is not injured. When the pull rod 21 moves up, the blocking plate 12 can be pulled up. When the blocking plate 12 moves up, the opening 13 will be moved to the connection position of the medicine storage box 11 and the latex tube 6. The opening 13 will enable the medicine in the medicine box to flow into the latex tube 6, and the medicine will eventually be discharged through the leakage port 5 on the latex tube 6, thereby quickly soaking the sheath 1, so that the sheath 1 with medicine is wrapped around the athlete's leg. The initial position of the blocking plate 12 is blocked at the connection position of the medicine storage box 11 and the latex tube 6, thereby blocking the flow of medicine and preventing the loss of medicine.

[0040] The working principle of the present invention is as follows: by installing a guard plate 2 on the sheath 1, a movable seat 3 is set on the guard plate 2 so that the sheath 2 can be extended and retracted inward and outward. A latex tube 6 is also set on the guard plate 2, and the latex tube 6 is sewn and embedded in the sheath 1. When the sheath 1 is worn, it can be wrapped around the athlete's legs due to the elasticity of the sheath 1, and can be further fastened to the legs due to the elasticity of the latex tube 6. Since the hollow setting of the latex tube 6 will not affect the flow of the medicine inside the medicine box 11, the medicine inside the latex tube 6 can soak the sheath 1 when it is discharged. After the sheath 1 absorbs the medicine, it can be applied to the leg and can also play a role in binding. The latex tube 6 is located on the back of the leg The guard plate 2 is located on the front side of the leg. A through hole 31 is opened on the guard plate 2. A conical head 35 is provided at the position of the through hole 31. The conical head 35 can push the outer rod 29, and the outer rod 29 will drive the inner rod 28 to move. The baffle 34 of the inner rod 28 will not be blocked at the position of the conical mouth 33. After the medicine is injected into the airbag 14 through the needle, the pressure in the airbag 14 will increase. When the baffle 34 does not block the conical mouth 33, the medicine in the airbag 14 can be sprayed out, thereby spraying to the front side of the leg. The periphery of the leg can be quickly coated with medicine, thereby timely reducing inflammation and swelling, so that athletes can get care quickly after injury and shorten recovery. During the period, by arranging the bracket 7 on the guard plate 2, the bracket 7 can move inside and outside the guard plate 2, and a push rod 25 is provided on the bracket 7. The push rod 25 is overlapped on the rocker 23 in the guard plate 2, and the other end of the rocker 23 is overlapped on the protrusion of the cross frame 20 and the pull rod 21. When the bracket 7 moves toward the inside of the guard plate 2, the push rod 25 will push the rocker 23, and the rocker 23 will be able to push the cross frame 20 and the protrusion, and the cross frame 20 and the pull rod 21 will move up. When the cross frame 20 moves up, the clamping rod 9 will be away from the clamping port 27, and the movable seat 3 will not be restricted. The movable seat 3 can move on the guard plate 2. By arranging the movable seat 3 at the initial The medicine will be limited in the initial state to prevent the leakage of medicine when the athlete is not injured. When the pull rod 21 moves up, the blocking plate 12 can be pulled up. When the blocking plate 12 moves up, the opening 13 will be moved to the connection position of the medicine storage box 11 and the latex tube 6. The opening 13 will enable the medicine in the medicine box to flow into the latex tube 6, and the medicine will eventually be discharged through the leakage port 5 on the latex tube 6, thereby quickly soaking the sheath 1, so that the sheath 1 with medicine is wrapped around the athlete's leg. The initial position of the blocking plate 12 is blocked at the connection position of the medicine storage box 11 and the latex tube 6, thereby blocking the flow of medicine and preventing the loss of medicine.

[0041] The above describes the basic principles, main features, and advantages of the present application. Those skilled in the art should understand that the present application is not limited to the above-described embodiments. The above-described embodiments and the specification merely illustrate the principles of the present application. Various changes and improvements may be made to the present application without departing from the spirit and scope of the present application. These changes and improvements fall within the scope of the present application for which protection is sought. The scope of protection claimed by the present application is defined by the appended claims and their equivalents.

Claims

1. A leg protection device based on sports training, comprising a protective sleeve (1) and a protective plate (2), characterized in that: The protective plate (2) is slidably connected to a movable seat (3), an air bag (14) is provided on the movable seat (3) inside the protective plate (2), a through opening (31) is provided on the back side of the protective plate (2) corresponding to the output port of the air bag (14), a conical head (35) is provided in the through opening (31), a medicine storage box (11) is provided inside the protective plate (2), a blocking plate (12) is slidably connected inside the medicine storage box (11), an input end of the blocking plate (12) is connected to a cross frame (20), a swing rod (23) is rotatably connected inside the protective plate (2) below the cross frame (20), an input end of the swing rod (23) is provided with a bracket (7), one end of the bracket (7) is located outside the protective plate (2), and a latex tube (6) is provided outside the protective plate (2) to communicate with the medicine storage box (11).

2. A leg protection device based on sports training according to claim 1, characterized in that: A screw cap (4) is threadedly connected to the side wall of the movable seat (3). The movable seat (3) is hexagonal in shape as a whole. The input end of the movable seat (3) is located on the outer end surface of the guard plate (2). An inner groove (8) is provided inside the guard plate (2). The airbag (14) is located in the inner groove (8) of the guard plate (2). The airbag (14) is elliptical in shape as a whole. A guide rod (17) is provided on the movable seat (3) on the side of the airbag (14).

3. A leg protection device based on sports training as claimed in claim 2, characterized in that: The guide rod (17) is connected to a bent frame (16), and the bent frame (16) is arranged in an L-shape as a whole. One end of the bent frame (16) is connected to the inner wall of the inner groove (8) of the guard plate (2). A first spring (15) is sleeved on the guide rod (17), one end of the first spring (15) is hung on the bent frame (16), and the other end of the first spring (15) is hung on the movable seat (3).

4. A leg protection device based on sports training as claimed in claim 2, characterized in that: A push rod (25) is provided on the side wall of the bracket (7) in the inner groove (8). The push rod (25) is arranged vertically on the bracket (7). The push rod (25) and the bracket (7) are arranged in an L-shape as a whole. One end of a swing rod (23) is overlapped below the push rod (25). The swing rod (23) is provided with a movable rod (24). The movable rod (24) is rotatably connected to the side wall of the inner groove (8) of the guard plate (2).

5. The leg protection device based on sports training according to claim 1, characterized in that: The input end of the blocking plate (12) is provided with a pull rod (21), and the output end of the blocking plate (12) is provided with an opening (13). The blocking plate (12) is located at the connection between the latex tube (6) and the medicine storage box (11), and the opening (13) is communicated with the latex tube (6) and the medicine storage box (11) respectively. The medicine storage box (11) is arranged in a rectangular shape as a whole. The latex tube (6) is embedded in the sheath (1) and a leakage port (5) is provided on the latex tube (6).

6. A leg protection device based on sports training according to claim 5, characterized in that: A cross frame (20) is fixed on the pull rod (21), and a limit rod (18) is provided on both the cross frame (20) and the pull rod (21), and the limit rod (18) is slidably connected to the guard plate (2). A second spring (19) is sleeved on the limit rod (18) on the cross frame (20), and one end of the second spring (19) is hung on the upper side of the inner groove (8) of the guard plate (2), and the cross frame (20) is overlapped on the rocker rod (23) below.

7. The leg protection device based on sports training according to claim 5, characterized in that: A convex seat (22) is provided on the side wall of the pull rod (21), and an adjacent rocking rod (23) is overlapped below the convex seat (22). A connecting frame (10) is provided on the cross frame (20) in the rotation direction of the rocking rod (23). Both the cross frame (20) and the connecting frame (10) are provided with a clamping rod (9). The clamping rods (9) on the cross frame (20) and the connecting frame (10) are of different lengths, and the clamping rods (9) are all inserted into corresponding bayonet holes (27).

8. The leg protection device based on sports training according to claim 1, characterized in that: The air bag (14) is provided with a long tube (26), a bayonet (27) is provided on the long tube (26), a fixing frame (32) is provided on the long tube (26), the fixing frame (32) is arranged in a U-shape as a whole, an outer rod (29) is slidably connected to the fixing frame (32), the outer rod (29) is connected to the fixing frame (32), one end of the outer rod (29) is provided with an inner rod (28), and the inner rod (28) faces the inside of the long tube (26).

9. A leg protection device based on sports training as claimed in claim 8, characterized in that: A tapered opening (33) is provided in the long tube (26), a small end of the tapered opening (33) faces the airbag (14), a diameter of the small end of the tapered opening (33) is larger than a diameter of the inner rod (28), the inner rod (28) is connected through the tapered opening (33), a baffle (34) is provided on the inner end of the inner rod (28), and a diameter of the baffle (34) is larger than a diameter of the small end of the tapered opening (33).

10. The leg protection device based on sports training according to claim 8, characterized in that: A third spring (30) is sleeved on the outer rod (29), and the third spring (30) is located between the fixing frame (32) and the inner rod (28). A side plate (36) is provided at the position of the opening (31) corresponding to the outer rod (29), and a conical head (35) is provided on the side plate (36), and the small end of the conical head (35) faces the outer rod (29).

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