CN219630577U - Tennis bottom line batting supporting leg knee joint angle control device - Google Patents
Tennis bottom line batting supporting leg knee joint angle control device Download PDFInfo
- Publication number
- CN219630577U CN219630577U CN202320867892.XU CN202320867892U CN219630577U CN 219630577 U CN219630577 U CN 219630577U CN 202320867892 U CN202320867892 U CN 202320867892U CN 219630577 U CN219630577 U CN 219630577U
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- Prior art keywords
- control
- sleeve
- belt
- control belt
- auxiliary
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- 210000000629 knee joint Anatomy 0.000 title claims abstract description 12
- 210000000689 upper leg Anatomy 0.000 claims abstract description 41
- 210000003127 knee Anatomy 0.000 claims description 39
- 230000001681 protective effect Effects 0.000 claims description 10
- 238000005452 bending Methods 0.000 abstract description 16
- 210000002414 leg Anatomy 0.000 abstract description 16
- 230000037396 body weight Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 18
- 230000000149 penetrating effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The utility model relates to the technical field of physical training equipment, in particular to a knee joint angle control device for tennis bottom line batting support legs, which comprises a fixed sleeve, wherein the fixed sleeve comprises a thigh fixed sleeve and a shank fixed sleeve, the thigh fixed sleeve is used for being sleeved on thighs, the shank fixed sleeve is used for being sleeved on shanks, an angle control piece is arranged between the thigh fixed sleeve and the shank fixed sleeve, and the angle control piece is used for controlling the angle of knee joints. The utility model solves the problem that the bending angle of the supporting legs is difficult to control when a player performs the bottom line batting training, so that the body weight and the center of the body are moved upwards.
Description
Technical Field
The utility model relates to the technical field of sports training apparatuses, in particular to a tennis bottom line batting supporting leg knee joint angle control device.
Background
At present, when tennis players and/or beginners perform bottom line batting training, the stability of the gravity center of the body is often difficult to control, the situation that the gravity center moves upwards frequently occurs in the training process, the correction training needs to be performed for a long time, and the condition of low training efficiency exists.
In the related art, the athlete wears the knee pad generally, when protecting the knee, can give the athlete certain suggestion in the in-process of motion, control the bending angle of supporting leg, but control angle is inaccurate, and to above-mentioned related art, the bending angle of supporting leg is difficult to control when carrying out the bottom line batting training, leads to the body weight heart to shift up, and training effect is relatively poor.
Disclosure of Invention
In order to solve the problem that the bending angle of the supporting leg is difficult to control and the body weight and the center of the body move upwards when a player performs bottom line batting training, the utility model provides a tennis bottom line batting supporting leg joint angle control device.
The utility model provides a ball bottom line batting supporting leg joint angle control device which adopts the following technical scheme:
the utility model provides a tennis bottom line batting supporting leg knee joint angle controlling means, includes fixed cover including thigh fixed cover and shank fixed cover, the fixed cover of thigh is used for the cover to locate on the thigh, shank fixed cover is used for the cover to locate on the shank, be provided with angle control spare between thigh fixed cover and the shank fixed cover, angle control spare is used for controlling knee joint's angle.
Through adopting above-mentioned technical scheme, when carrying out the bottom line batting training, wear on sportsman's supporting leg through fixed cover of thigh and shank, angle control spare is connected thigh and shank, simultaneously through the connected state to fixed cover of thigh and shank, controls the angle of fixed cover of thigh and shank to reach training effect.
Preferably, the angle control member comprises a first control belt and a second control belt, wherein the first control belt is used for controlling stretching of the front side of the knee, the second control belt is used for controlling stretching of the rear side of the knee, the first control belt and the second control belt are symmetrically arranged along the axial direction of the shank fixing sleeve, the first control belt and the second control belt can slide on the shank fixing sleeve, and an auxiliary sliding part is arranged at the end part, close to the shank fixing sleeve, of the first control belt and the second control belt.
By adopting the technical scheme, in the training process, the lengths of the first control belt and the second control belt are fixed, when the knees of a sportsman are bent and supported, the first control belt stretches to the longest length between the thigh fixing sleeve and the shank fixing sleeve, at the moment, the length of the second control belt between the thigh fixing sleeve and the shank fixing sleeve is shortest, and the bending angle of the knees of the sportsman is the minimum bending angle; when the second control belt stretches to the longest length between the thigh fixing sleeve and the shank fixing sleeve, the length of the first control belt between the thigh fixing sleeve and the shank fixing sleeve is shortest, and the knee bending angle of the athlete is the maximum bending angle; the auxiliary slider is capable of assisting the first control band and the second control band to slide on the lower leg fixing sleeve, thereby changing the length between the thigh fixing sleeve and the lower leg fixing sleeve.
Preferably, the auxiliary sliding part comprises an auxiliary sleeve, the auxiliary sleeve is sleeved at the end part of the shank fixing sleeve, a sliding groove is formed in the end part of the auxiliary sleeve, and the first control belt and the second control belt are both positioned in the sliding groove.
By adopting the technical scheme, the first control belt and the second control belt slide in the sliding groove, so that friction between the first control belt and the shank fixing sleeve is reduced, and the movement is smoother in the movement process.
Preferably, the side walls of the first control belt and the second control belt are uniformly provided with clamping holes, the inner wall of the sliding groove on the first control belt is provided with rotating teeth, the rotating teeth are positioned in the clamping holes, and the rotating teeth are rotationally connected to the inner wall of the sliding groove.
Through adopting above-mentioned technical scheme, at the in-process of motion, first control area and second control area slide in the sliding tray, rotate the tooth simultaneously and follow first control area and second control area rotation, rotate the tooth and can provide certain resistance to first control area and second control area when the motion is paused, temporarily fix.
Preferably, the auxiliary sliding part comprises a limit sleeve, the end part of the limit sleeve is connected with the end part of the auxiliary sleeve far away from the shank fixing sleeve, the limit sleeve is sleeved on the first control belt and the second control belt, and the diameter of the limit sleeve is larger than that of the first control belt.
Through adopting above-mentioned technical scheme, the stop collar can be for the slip play guiding role of first control area and second control area for first control area and second control area are gliding more smooth and easy in the in-process of motion.
Preferably, a protective sleeve is arranged on the peripheral surface of the limiting sleeve, and the protective sleeve wraps the outer wall of the limiting sleeve.
By adopting the technical scheme, the protective sleeve is contacted with the legs of the human body, so that friction damage of the limit sleeve to the legs of the human body in the movement process is reduced.
Preferably, a knee pad is provided on a side wall of the first control strap, and the knee pad is used for wrapping the knee.
By adopting the technical scheme, the knee of the athlete is wrapped and protected in the process of sports.
Preferably, a plurality of auxiliary control belts are arranged between the thigh fixing sleeve and the shank fixing sleeve, the auxiliary control belts are positioned in the sliding grooves, and the end parts of the auxiliary control belts are connected with the end parts of the thigh fixing sleeve.
Through adopting above-mentioned technical scheme, auxiliary control area can make the sportsman in the in-process of training, and knee atress is more even.
In summary, the present utility model includes at least one of the following beneficial technical effects:
1. according to the utility model, the first control belt and the second control belt are arranged, so that the lengths of the first control belt and the second control belt are fixed in the training process, when the knees of a sportsman are bent and supported, the first control belt stretches to the longest length between the thigh fixing sleeve and the shank fixing sleeve, at the moment, the length of the second control belt between the thigh fixing sleeve and the shank fixing sleeve is shortest, and the bending angle of the knees of the sportsman is the minimum bending angle; when the second control belt stretches to the longest length between the thigh fixing sleeve and the shank fixing sleeve, the length of the first control belt between the thigh fixing sleeve and the shank fixing sleeve is shortest, and the knee bending angle of the athlete is the maximum bending angle; the auxiliary sliding piece can assist the first control band and the second control band to slide on the shank fixing sleeve, so that the length between the thigh fixing sleeve and the shank fixing sleeve is changed;
2. according to the utility model, the limiting sleeve is arranged, so that the limiting sleeve can guide the sliding of the first control belt and the second control belt, and the sliding of the first control belt and the second control belt in the moving process is smoother;
3. according to the utility model, the auxiliary control belt is arranged, so that the knee stress of the athlete is more uniform in the training process of the athlete.
Drawings
Fig. 1 is a schematic structural view of an overall tennis bottom line ball striking support leg joint angle control device according to an embodiment of the present utility model.
Fig. 2 is a schematic cross-sectional structural view of an angular control member of an embodiment of the present utility model.
Reference numerals illustrate: 1. thigh fixing sleeves; 2. a shank fixing sleeve; 3. an angle control member; 31. a first control band; 32. a second control band; 33. an auxiliary control belt; 34. a knee pad; 35. a clamping hole; 36. a limiting block; 4. an auxiliary slider; 41. an auxiliary sleeve; 42. a limit sleeve; 43. a protective sleeve; 44. a sliding groove; 45. rotating the teeth; 46. a length limiting block; 461. penetrating holes; 47. a fixing rope; 48. and a fixing ring.
Detailed Description
The utility model is described in further detail below with reference to fig. 1-2.
The embodiment discloses a tennis bottom line batting supporting leg knee joint angle control device. Referring to fig. 1, a knee joint angle control device for tennis bottom line batting supporting leg comprises a fixed sleeve, an angle control piece 3 and an auxiliary sliding piece 4, wherein the fixed sleeve is used for being sleeved on the leg of a player, the fixed sleeve comprises a thigh fixed sleeve 1 and a shank fixed sleeve 2, the thigh fixed sleeve 1 is used for being sleeved on the thigh of the player, and the shank fixed sleeve 2 is used for being sleeved on the shank of the player.
Referring to fig. 1, the angle control member 3 includes a first control band 31, a second control band 32, an auxiliary control band 33, and an auxiliary slider 4, the first control band 31, the second control band 32, and the auxiliary control band 33 are all used to connect the thigh-securing case 1 with the calf-securing case 2, the first control band 31 is used to control the front side of the knee, the second control band 32 is used to control the rear side of the knee, and the auxiliary control band 33 is disposed at the side of the knee, so that the limiting force applied to the supporting leg during the movement is uniformly distributed, so that the movement state of the athlete is not affected by the angle control member 3.
The side wall of the first control belt 31 is provided with a knee pad 34, and the knee pad 34 is used for wrapping and protecting the knees of the athlete, so that the friction damage of the first control belt 31 to the knees in the exercise process is reduced.
Referring to fig. 1 and 2, the auxiliary sliding member 4 is disposed at the end portion of the shank fixing sleeve 2, which is close to the thigh fixing sleeve 1, and extends to the circumferential surface of the shank fixing sleeve 2, and wraps the shank fixing sleeve 2, the auxiliary sliding member 4 includes an auxiliary sleeve 41, a limiting sleeve 42 and a protective sleeve 43, the auxiliary sleeve 41 is sleeved at the end portion of the shank fixing sleeve 2, a plurality of sliding grooves 44 are uniformly formed at the end portion of the auxiliary sleeve 41 along the axial direction, the first control belt 31, the second control belt 32 and the auxiliary control belt 33 are all disposed in the sliding grooves 44, clamping holes 35 are uniformly formed in the side walls of the first control belt 31 and the second control belt 32, rotating teeth 45 are rotatably connected to the inner walls of the sliding grooves 44, the rotating teeth 45 are disposed in the clamping holes 35, and the rotating teeth 45 rotate in the sliding grooves 44 along with the sliding of the first control member and the second control member in the moving process, and the rotating teeth 45 can not affect the smoothness of the sliding of the first control belt 31 and the second control belt 32, and simultaneously can provide temporary resistance to the first control belt 31 and the second control belt 32 when the movement is suspended.
Referring to fig. 2, the end of the stop collar 42 is connected to the side edge of the opening of the sliding groove 44, the stop collar 42 is sleeved on the first control belt 31 and the second control belt 32, and the inner diameter of the stop collar 42 is larger than the outer diameters of the first control belt 31 and the second control belt 32; the protective sleeve 43 is arranged on the peripheral surface of the limit sleeve 42, and wraps the outer wall of the limit sleeve 42, the protective sleeve 43 is made of flexible materials, the protective sleeve 43 is in contact with the legs of the human body, and friction damage of the limit sleeve 42 to the legs of the human body in the movement process is reduced.
Referring to fig. 2, the end portion of the first control strap 31 and the second control strap 32 far from the thigh fixing sleeve 1 is fixedly connected with a limiting block 36, a length limiting block 46 is arranged in the sliding groove 44, a penetrating hole 461 is formed in the length limiting block 46, the first control strap 31 and the second control strap 32 penetrate through the penetrating hole 461, the diameter of the penetrating hole 461 is smaller than that of the limiting block 36, the length limiting block 46 slides in the sliding groove 44 and extends to the outer side of the sliding groove 44, a plurality of fixing rings 48 are arranged on the peripheral wall of the auxiliary sleeve 41, fixing ropes 47 are arranged at the end portion of the length limiting block 46, the fixing ropes 47 are wound and fixed on the fixing rings 48, and in the sliding process of the first control strap 31 and the second control strap 32, the length limiting block 46 blocks the limiting block 36, so that the lengths of the first control strap 31 and the second control strap 32 in the use process are controlled to adapt to different physical conditions of different athletes.
The embodiment of the utility model relates to a tennis bottom line batting supporting leg knee joint angle control device, which is implemented according to the following principle: in the training process, the lengths of the first control belt 31 and the second control belt 32 are fixed, when the knee of the athlete is bent and supported, and the first control belt 31 stretches to the longest length between the thigh fixing sleeve 1 and the shank fixing sleeve 2, at the moment, the length of the second control belt 32 between the thigh fixing sleeve 1 and the shank fixing sleeve 2 is shortest, and the knee bending angle of the athlete is the minimum bending angle; when the second control strap 32 is stretched to the longest length between the thigh fixing part 1 and the shank fixing part 2, the length of the first control strap 31 between the thigh fixing part 1 and the shank fixing part 2 is shortest, and the knee bending angle of the athlete is the maximum bending angle; the auxiliary slider 4 can assist the first control band 31 and the second control band 32 to slide on the lower leg fixing sleeve 2, thereby changing the length between the thigh fixing sleeve 1 and the lower leg fixing sleeve 2.
The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (8)
1. The utility model provides a tennis bottom line batting supporting leg knee joint angle controlling means, includes fixed cover, its characterized in that: the fixed cover includes thigh fixed cover (1) and shank fixed cover (2), thigh fixed cover (1) is used for the cover to locate on the thigh, shank fixed cover (2) are used for the cover to locate on the shank, be provided with angle control piece (3) between thigh fixed cover (1) and shank fixed cover (2), angle control piece (3) are used for controlling knee joint's angle.
2. The tennis bottom line ball striking support leg knee angle control device according to claim 1, wherein: the angle control piece (3) comprises a first control belt (31) and a second control belt (32), wherein the first control belt (31) is used for controlling stretching of the front side of the knee, the second control belt (32) is used for controlling stretching of the rear side of the knee, the first control belt (31) and the second control belt (32) are symmetrically arranged along the axial direction of the shank fixing sleeve (2), the first control belt (31) and the second control belt (32) can slide on the shank fixing sleeve (2), and an auxiliary sliding piece (4) is arranged at the end part, close to the shank fixing sleeve (2), of the first control belt (31) and the second control belt (32).
3. The tennis bottom line ball striking support leg knee angle control device according to claim 2, wherein: the auxiliary sliding piece (4) comprises an auxiliary sleeve (41), the auxiliary sleeve (41) is sleeved at the end part of the shank fixing sleeve (2), a sliding groove (44) is formed in the end part of the auxiliary sleeve (41), and the first control belt (31) and the second control belt (32) are both positioned in the sliding groove (44).
4. A tennis bottom line ball striking support leg knee angle control device according to claim 3, wherein: clamping holes (35) are uniformly formed in the side walls of the first control belt (31) and the second control belt (32), rotating teeth (45) are arranged on the inner wall of the sliding groove (44) on the first control belt (31), the rotating teeth (45) are located in the clamping holes (35), and the rotating teeth (45) are rotationally connected to the inner wall of the sliding groove (44).
5. The tennis bottom line ball striking support leg knee angle control device according to claim 2, wherein: the auxiliary sliding part (4) comprises a limiting sleeve (42), the end part of the limiting sleeve (42) is connected with the end part of the auxiliary sleeve (41) far away from the shank fixing sleeve (2), the limiting sleeve (42) is sleeved on the first control belt (31), and the diameter of the limiting sleeve (42) is larger than that of the first control belt (31).
6. The tennis bottom line ball striking support leg knee angle control device according to claim 5, wherein: the periphery of the limit sleeve (42) is provided with a protective sleeve (43), and the protective sleeve (43) wraps the outer wall of the limit sleeve (42).
7. The tennis bottom line ball striking support leg knee angle control device according to claim 2, wherein: a knee pad (34) is arranged on the side wall of the first control band (31), and the knee pad (34) is used for wrapping the knee.
8. The tennis bottom line ball striking support leg knee angle control device according to claim 1, wherein: a plurality of auxiliary control belts (33) are arranged between the thigh fixing sleeve (1) and the shank fixing sleeve (2), the auxiliary control belts (33) are positioned in the sliding grooves (44), and the end parts of the auxiliary control belts (33) are connected with the end parts of the thigh fixing sleeve (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320867892.XU CN219630577U (en) | 2023-04-18 | 2023-04-18 | Tennis bottom line batting supporting leg knee joint angle control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320867892.XU CN219630577U (en) | 2023-04-18 | 2023-04-18 | Tennis bottom line batting supporting leg knee joint angle control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219630577U true CN219630577U (en) | 2023-09-05 |
Family
ID=87813696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320867892.XU Active CN219630577U (en) | 2023-04-18 | 2023-04-18 | Tennis bottom line batting supporting leg knee joint angle control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219630577U (en) |
-
2023
- 2023-04-18 CN CN202320867892.XU patent/CN219630577U/en active Active
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