CN113082624B - A kind of leg strength training device for sports rehabilitation training - Google Patents
A kind of leg strength training device for sports rehabilitation training Download PDFInfo
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- CN113082624B CN113082624B CN202110359830.3A CN202110359830A CN113082624B CN 113082624 B CN113082624 B CN 113082624B CN 202110359830 A CN202110359830 A CN 202110359830A CN 113082624 B CN113082624 B CN 113082624B
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- 210000003205 muscle Anatomy 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims description 16
- 230000000386 athletic effect Effects 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 210000002414 leg Anatomy 0.000 abstract description 22
- 210000000689 upper leg Anatomy 0.000 abstract description 9
- 210000003041 ligament Anatomy 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 210000003127 knee Anatomy 0.000 description 5
- 238000005381 potential energy Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000013459 approach Methods 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 230000003631 expected effect Effects 0.000 description 2
- 210000003141 lower extremity Anatomy 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B23/00—Exercising apparatus specially adapted for particular parts of the body
- A63B23/035—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
- A63B23/04—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for lower limbs
- A63B23/0405—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for lower limbs involving a bending of the knee and hip joints simultaneously
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/02—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using resilient force-resisters
- A63B21/045—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using resilient force-resisters having torsion or bending or flexion element
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- General Health & Medical Sciences (AREA)
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- Life Sciences & Earth Sciences (AREA)
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- Rehabilitation Tools (AREA)
Abstract
本发明公开了一种运动康复训练用腿部力量训练装置，属于康复训练设备技术领域。该装置包括：支撑装置、训练组件和配重组件；所述支撑装置包括支板、底板和底座，所述底板固定连接在地面，所述支板的底端固定连接在所述底板上，所述底座固定连接在所述底板远离所述支板的一端上，所述支板的上部开设有两侧相互贯通的第一滑槽。在进行深蹲和半站立时对固定垫板进行挤压，使得固定垫板相对收缩，通过扭力训练装置使得固定垫板上具有较大的反作用力，在往复的深蹲和站立的过程中对使用者的大腿内侧肌肉进行康复训练；与扭力训练装置相互配合的配重组件可以防止使用者在下蹲时固定垫板在扭力训练装置的弹力下迅速回弹导致使用者摔倒或者拉上韧带。
The invention discloses a leg strength training device for sports rehabilitation training, which belongs to the technical field of rehabilitation training equipment. The device includes: a support device, a training assembly and a counterweight assembly; the support device includes a support plate, a bottom plate and a base, the bottom plate is fixedly connected to the ground, and the bottom end of the support plate is fixedly connected to the bottom plate, so The base is fixedly connected to the end of the bottom plate away from the support plate, and the upper part of the support plate is provided with a first chute that communicates with each other on both sides. When squatting and half-standing, the fixed base plate is squeezed, so that the fixed base plate is relatively contracted, and the fixed base plate has a large reaction force through the torsion training device. During the reciprocating squat and standing process The user's inner thigh muscles are used for rehabilitation training; the counterweight component cooperated with the torsion training device can prevent the user from quickly rebounding the fixed base plate under the elastic force of the torsion training device when the user squats, causing the user to fall or pull on the ligament.
Description
Technical Field
The invention relates to the technical field of rehabilitation training equipment, in particular to a leg strength training device for exercise rehabilitation training.
Background
With the continuous progress of medical level, more and more difficult miscellaneous diseases are solved, but some diseases can not be recovered in a short time in modern medical treatment, for example, for the condition that some legs are injured, after a patient is usually treated by a surgery in a hospital, the muscles of the lower limbs, especially the muscles of the thigh parts, are atrophied due to long-time lying in bed, and the condition can be recovered and trained only by later-stage recovery movement.
In summary, the leg strength training devices of the prior art are not accurate enough for training the muscles of the inner thighs of the user, so that the training effect does not achieve the expected effect.
Disclosure of Invention
The invention provides a leg strength training device for exercise rehabilitation training, which can solve the problem that the training effect cannot achieve the expected effect due to the fact that the accuracy of the leg strength training device for training the inner muscles of thighs of a user is not enough in the prior art.
A leg strength training device for athletic rehabilitation training, comprising:
a support device, a training assembly and a counterweight assembly;
the supporting device comprises a supporting plate, a bottom plate and a base, the bottom plate is fixedly connected to the ground, the bottom end of the supporting plate is fixedly connected to the bottom plate, the base is fixedly connected to one end, away from the supporting plate, of the bottom plate, and a first sliding groove with two mutually communicated sides is formed in the upper portion of the supporting plate;
the training component comprises a guide plate, two training components and a fixed block, the bottom end of the guide plate is fixedly connected to the base, the guide plate is an arc-shaped plate, the middle part of the guide plate is provided with an arc-shaped second chute, the number of the training components is two, the training components comprise a fixed backing plate, an elastic bandage, a first rack, a sliding plate and first sliding blocks, the elastic bandage is fixedly connected to the fixed backing plate, the training components are symmetrically arranged on two sides of the fixed block along a central line, the two first sliding blocks are respectively and fixedly connected to two sides of the fixed block, the two first sliding blocks are slidably connected in the second chute, the upper end of the fixed block is respectively provided with a first channel and a second channel, the first channel and the second channel both penetrate through the first sliding blocks, and the two first sliding blocks are arranged identically, a first cavity is formed in the middle of the first sliding block, a cavity is formed in the bottom end of the first sliding block, a second rotating shaft is rotatably connected in the first cavity, one end of the second rotating shaft is rotatably connected to the inner wall of the first cavity, the other end of the second rotating shaft penetrates into the cavity and is rotatably connected to the inner wall of the cavity, a second gear is in transmission connection with one end of the second rotating shaft, which is located in the first cavity, and a second bevel gear is in transmission connection with one end of the second rotating shaft, which is far away from the first cavity;
a first rack and a sliding plate are fixedly connected to the fixed backing plate, one end of the sliding plate is fixedly connected to the fixed backing plate, the other end of the sliding plate is connected to the first channel in a sliding mode, the end portion of the first rack is fixedly connected to the fixed backing plate, the first rack is matched with the second gear, the first rack is matched with the second channel, a second cavity is formed in the lower portion of the fixed block, a torsion training device is arranged in the second cavity, and the torsion training device is used for training leg muscles of a user;
the counterweight component is connected in the first sliding groove in a sliding mode, the counterweight component is matched with the torsion training device, and the counterweight component is used for training leg muscles of a user.
Preferably, the torque force training device comprises a first rotating shaft, a first gear and a volute spiral spring, two ends of the first rotating shaft respectively penetrate through cavities in the two first sliding blocks, two ends of the first rotating shaft are respectively rotatably connected to the inner wall of the second cavity, two ends of the first rotating shaft are respectively connected with a first bevel gear in a transmission manner, the first bevel gear is meshed with the second bevel gear, a rotating groove penetrating to the outside is formed in the middle of the second cavity, the first gear is rotatably connected to the middle of the first rotating shaft and is positioned in the rotating groove, a third cavity is formed in the first gear, a ratchet wheel is coaxially arranged in the third cavity, a pawl is hinged to the inner wall of the third cavity, the pawl is matched with the ratchet wheel, and the ratchet wheel is in transmission connection with the first rotating shaft, the volute spiral spring cover is established on the first axis of rotation, volute spiral spring's one end fixed connection be in on the first axis of rotation, other end fixed connection be in on the inner wall of second cavity, volute spiral spring is a plurality of, and is a plurality of volute spiral spring follows first axis of rotation axial evenly arranged.
Preferably, the counterweight assembly comprises a second sliding block, a counterweight frame, a counterweight block, a connecting rod, a shoulder pad, a fixed frame, a chain, a first chain wheel, a second chain wheel, a sliding shell, a sliding groove, a second rack and a third gear, the second sliding block is slidably connected in the first sliding groove, one end of the connecting rod is fixedly connected to one side of the second sliding block, the other end of the connecting rod is fixedly connected with the shoulder pad, the counterweight frame is fixedly connected to one side of the second sliding block, which is far away from the connecting rod, and the counterweight block is detachably connected to the counterweight frame;
the sliding shell is fixedly connected to the lower portion of the supporting plate, a sliding groove is formed in the sliding shell, a second rack is slidably connected to the inside of the sliding groove, the second rack penetrates through the supporting plate, the second rack is matched with the first gear, the fixing frame is fixedly connected to the sliding shell, a first chain wheel is rotatably connected to the upper end of the fixing frame, a third rotating shaft is fixedly connected to the bottom end of the fixing frame, a second chain wheel and a third gear are rotatably connected to two ends of the third rotating shaft respectively, an opening is formed in the upper end of the sliding shell, the third gear is matched with the second rack through the opening, a chain is in transmission connection with the first chain wheel and the second chain wheel, and the bottom end of the counterweight frame is fixedly connected to the chain.
Preferably, a first pressure sensor and a second pressure sensor are fixedly connected to the support plate, the first pressure sensor and the second pressure sensor are both used for detecting the pressure of the back of a user on the support plate when the user uses the support plate, and the first pressure sensor and the second pressure sensor are both electrically connected with external equipment.
Preferably, the first chain wheel and the second chain wheel are the same in size, and the addendum circle diameter of the second chain wheel is smaller than the addendum circle diameter of the third gear.
The invention has the beneficial effects that: for patients with injured lower limbs, such as damaged thigh muscles, when rehabilitation training is carried out, the positions of knees are fixed on the fixing base plates through the elastic binding bands on the fixing base plates on the two sides of the guide plate, a user extrudes the fixing base plates when squatting deeply and standing half, the fixing base plates contract relatively, the fixing base plates have large reaction force through the torsion training device, and the muscles on the inner sides of thighs of the user are subjected to rehabilitation training in the reciprocating squatting deeply and standing processes; the counter weight component who mutually supports with torsion trainer can prevent that the user from fixing the backing plate when squatting and kick-backing rapidly under torsion trainer's elasticity and leading to the user to fall or draw the ligament.
Drawings
FIG. 1 is a schematic structural view of a leg strength training device for exercise rehabilitation training provided by the present invention,
fig. 2 is a sectional view of a leg strength training device for athletic rehabilitation training shown in fig. 1 at B-B,
figure 3 is a cross-sectional view of the leg strength training device for athletic rehabilitation training shown in figure 2 at C-C,
fig. 4 is a partially enlarged view of a portion a of fig. 1 of a leg strength training device for athletic rehabilitation training according to the present invention,
figure 5 is a cross-sectional view of the leg strength training device for athletic rehabilitation training shown in figure 4 at D-D,
fig. 6 is a partially enlarged view of a leg strength training device for athletic rehabilitation training shown in fig. 1 at E,
fig. 7 is a schematic structural view of the second gear and the first rack in fig. 2 of the leg strength training device for exercise rehabilitation training provided by the invention.
Description of reference numerals:
1-a support device, 2-a training component, 3-a counterweight component,
11-support plate, 111-first chute, 12-bottom plate, 13-base,
21-guide plate, 211-second slide groove, 22-fixed backing plate, 221-elastic band, 222-first rack, 223-sliding plate, 23-first slide block, 231-first cavity, 232-cavity, 24-fixed block, 241-first channel, 242-second channel, 243-second cavity, 25-first gear, 251-third cavity, 252-ratchet wheel, 253-pawl, 26-first rotating shaft, 261-first bevel gear, 27-second rotating shaft, 271-second bevel gear, 272-second gear, 28-volute spring,
30-third rotating shaft, 31-second sliding block, 311-counterweight frame, 312-counterweight block, 32-connecting rod, 321-shoulder pad, 322-first pressure sensor, 323-second pressure sensor, 33-fixing frame, 331-chain, 332-first chain wheel, 333-second chain wheel, 34-sliding shell, 340-sliding groove, 341-second rack and 342-third gear.
Detailed Description
An embodiment of the present invention will be described in detail below with reference to the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the embodiment.
Example 1:
as shown in fig. 1 to 7, a leg strength training device for exercise rehabilitation training according to an embodiment of the present invention includes a supporting device 1, a training component 2, and a weight component 3;
the supporting device 1 comprises a supporting plate 11, a bottom plate 12 and a base 13, wherein the bottom plate 12 is fixedly connected to the ground, the bottom end of the supporting plate 11 is fixedly connected to the bottom plate 12, the base 13 is fixedly connected to one end, far away from the supporting plate 11, of the bottom plate 12, and the upper part of the supporting plate 11 is provided with a first sliding groove 111 with two mutually communicated sides;
the training component 2 comprises a guide plate 21, two training components and a fixed block 24, the bottom end of the guide plate 21 is fixedly connected to the base 13, the guide plate 21 is an arc-shaped plate, the middle part of the guide plate 21 is provided with an arc-shaped second sliding groove 211, the number of the training components is two, the training components comprise a fixed backing plate 22, an elastic bandage, a first rack 222, a sliding plate 223 and first sliders 23, the elastic bandage 221 is fixedly connected to the fixed backing plate 22, the training components are symmetrically arranged on two sides of the fixed block 24 along a central line, the two first sliders 23 are respectively and fixedly connected to two sides of the fixed block 24, the two first sliders 23 are slidably connected in the second sliding groove 211, the upper end of the fixed block 24 is respectively provided with a first channel 241 and a second channel 242, the first channel 241 and the second channel 242 both penetrate through the first sliders 23, the arrangement of the two first sliders 23 is the same, the middle part of the first slider 23 is provided with a first cavity 231, the bottom end of the first slider 23 is provided with a cavity 232, a second rotating shaft 27 is rotatably connected in the first cavity 231, one end of the second rotating shaft 27 is rotatably connected on the inner wall of the first cavity 231, the other end of the second rotating shaft 27 penetrates into the cavity 232 and is rotatably connected on the inner wall of the cavity 232, one end of the second rotating shaft 27, which is positioned in the first cavity 231, is in transmission connection with a second gear 272, and one end of the second rotating shaft 27, which is far away from the first cavity 231, is in transmission connection with a second bevel gear 271;
a first rack 222 and a sliding plate 223 are fixedly connected to the fixed cushion plate 22, one end of the sliding plate 223 is fixedly connected to the fixed cushion plate 22, and the other end of the sliding plate 223 is slidably connected to the first channel 241, the end of the first rack 222 is fixedly connected to the fixed cushion plate 22, the first rack 222 is matched with a second gear 272, the first rack 222 is matched with a second channel 242, a second cavity 243 is formed in the lower portion of the fixed block 24, and a torsion training device is arranged in the second cavity 243 and used for training leg muscles of a user;
the weight component 3 is slidably connected in the first sliding groove 111, the weight component 3 is matched with the torsion training device, and the weight component 3 is used for training the leg muscles of the user. The torsion training device comprises a first rotating shaft 26, a first gear 25 and a volute spring 28, wherein two ends of the first rotating shaft 26 are respectively communicated with cavities 232 in two first sliding blocks 23, two ends of the first rotating shaft 26 are respectively rotatably connected with the inner wall of a second cavity 243, two ends of the first rotating shaft 26 are respectively connected with a first bevel gear 261 in a transmission manner, the first bevel gear 261 is meshed with a second bevel gear 271, a rotating groove communicated with the outside is formed in the middle of the second cavity 243, the first gear 25 is rotatably connected with the middle of the first rotating shaft 26, the first gear 25 is positioned in the rotating groove, a third cavity 251 is formed in the first gear 25, a ratchet wheel 252 is coaxially arranged in the third cavity 251, a pawl 253 is hinged on the inner wall of the third cavity 251, the pawl 253 is matched with the ratchet wheel 252, the ratchet wheel 252 is in a transmission manner connected with the first rotating shaft 26, the volute spring 28 is sleeved on the first rotating shaft 26, one end of the spiral spring 28 is fixedly connected to the first rotating shaft 26, the other end of the spiral spring 28 is fixedly connected to the inner wall of the second cavity 243, the number of the spiral springs 28 is multiple, and the spiral springs 28 are uniformly arranged along the axial direction of the first rotating shaft 26.
The working principle is as follows: when the device is used, a user fixes the knees of the user on the fixed base plate 22 through the elastic bandage 221, the user stands on the bottom plate 12, when the user stands, the knees drive the fixed base plate 22 to move upwards along the second sliding groove 211, the knees of the user gradually approach when the user stands, the two fixed base plates 22 approach relatively when the user approaches, at the moment, the first rack 222 is matched with the second gear 272, the first rack 222 drives the second gear 272 to rotate, the second gear 272 rotates to drive the second rotating shaft 27 to rotate, the second rotating shaft 27 drives the second bevel gear 271 to rotate when the second bevel gear 271 rotates, the first bevel gear 261 drives the first rotating shaft 26 to rotate when the first bevel gear 261 rotates, the first rotating shaft 26 is in transmission connection with the ratchet wheel 252, at the moment, the ratchet wheel 252 can rotate, the scroll spring 28 can be contracted when the first rotating shaft 26 rotates, required acting force when the scroll spring 28 contracts can be used for training the muscles on the inner thighs of the user, the effect of training the inner thigh muscles of the user is achieved through repeated squatting and standing, the pertinence is strong, and the effect of accelerating the recovery efficiency of the user is achieved.
Example 2:
on the basis of the embodiment 1, as shown in fig. 1 to 7, the counterweight component 3 is matched with the torque training device, so that the danger that the leg is injured when the user squats due to the rapid rebound of the torque force can not occur.
The counterweight component 3 comprises a second slide block 31, a counterweight frame 311, a counterweight block 312, a connecting rod 32, a shoulder pad 321, a fixed frame 33, a chain 331, a first chain wheel 332, a second chain wheel 333, a sliding shell 34, a sliding groove 340, a second rack 341 and a third gear 342, the second slide block 31 is slidably connected in the first sliding groove 111, one end of the connecting rod 32 is fixedly connected to one side of the second slide block 31, the other end of the connecting rod is fixedly connected with the shoulder pad 321, the counterweight frame 311 is fixedly connected to one side of the second slide block 31 far away from the connecting rod 32, and the counterweight block 312 is detachably connected to the counterweight frame 311;
sliding housing 34 fixed connection is in the extension board 11 lower part, sliding tray 340 has been seted up in the sliding housing 34, second rack 341 slidable connection is in sliding tray 340, second rack 341 runs through extension board 11, second rack 341 cooperatees with first gear 25, mount 33 fixed connection is on sliding housing 34, the upper end rotatable first sprocket 332 that is connected with of mount 33, the bottom fixedly connected with third axis of rotation 30 of mount 33, the both ends of third axis of rotation 30 are rotatable second sprocket 333 and the third gear 342 of being connected with respectively, the opening has been seted up to sliding housing 34 upper end, third gear 342 cooperatees with second rack 341 through the opening, first sprocket 332 and second sprocket 333 go up the transmission and are connected with chain 331, the bottom fixed connection of counterweight frame 311 is on chain 331. The support plate 11 is fixedly connected with a first pressure sensor 322 and a second pressure sensor 323, the first pressure sensor 322 and the second pressure sensor 323 are both used for detecting the pressure of the back of a user on the support plate 11 when the user uses the support plate, and the first pressure sensor 322 and the second pressure sensor 323 are both electrically connected with external equipment. The first sprocket 332 and the second sprocket 333 have the same size, and the addendum circle diameter of the second sprocket 333 is smaller than that of the third gear 342.
The working principle is as follows: on the basis of embodiment 1, after a user stands, since the elastic potential energy accumulated by the spiral spring 28 is released along with the squat of the user, if the user is in a state of lacking in strength after pressing the spiral spring 28, the elastic potential energy instantaneously released by the spiral spring 28 may cause the knees of the user to rapidly expand, which may cause the leg ligaments of the user to pull or cause the user to stand unstably, which may cause a fall, and therefore, the embodiment needs to control the release of the potential energy of the spiral spring 28 to prevent the user from being injured, and meanwhile, the strength training of only the medial thigh muscle is not comprehensive, so that the embodiment supplements and improves embodiment 1;
when the user starts to stand, along with the rising of the user's body, that is, the rising of the shoulders, when the shoulders abut against the shoulder pads 321 and rise again, the second slider 31 is driven to rise by the shoulder pads 321, the second slider 31 drives the weight holder 311 to rise, the weight holder 311 drives the chain 331 to rise, the chain 331 drives the first sprocket 332 and the second sprocket 333 to rotate when rising, the third rotating shaft 30 is driven to rotate by the second sprocket 333, the third gear 342 is driven to rotate by the third rotating shaft 30, the second rack 341 is driven to move when the third gear 342 rotates, as shown in fig. 1, the second rack 341 moves rightwards, so that the second rack 341 can be meshed with the first gear 25, the second rack 341 continues to contract the scroll spring 28 when pushing the first gear 25 to rotate due to the cooperation of the first gear 25 and the ratchet wheel 252, so that the fixed base plate 22 is not subjected to the reverse acting force of the scroll 28 any more, when the user begins to squat, the third gear 342 slowly rotates under the action of the chain 331, and the spiral spring 28 slowly releases the elastic potential energy until the elastic potential energy is completely released;
the first pressure sensor 322 and the second pressure sensor 323 can detect whether the back of the user is always attached to the supporting plate 11, and prompt the user that the spine of the user does not bend or bend when standing.
The above disclosure is only for a few specific embodiments of the present invention, however, the present invention is not limited to the above embodiments, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present invention.
Claims (4)
1. A leg strength training device for exercise rehabilitation training is characterized by comprising a supporting device (1), a training component (2) and a counterweight component (3);
the supporting device (1) comprises a supporting plate (11), a bottom plate (12) and a base (13), the bottom plate (12) is fixedly connected to the ground, the bottom end of the supporting plate (11) is fixedly connected to the bottom plate (12), the base (13) is fixedly connected to one end, away from the supporting plate (11), of the bottom plate (12), and a first sliding groove (111) with two mutually communicated sides is formed in the upper portion of the supporting plate (11);
the training component (2) comprises a guide plate (21), two training components and a fixed block (24), the bottom end of the guide plate (21) is fixedly connected to the base (13), the guide plate (21) is an arc-shaped plate, an arc-shaped second sliding groove (211) is formed in the middle of the guide plate (21), the two training components comprise a fixed backing plate (22), an elastic bandage, a first rack (222), a sliding plate (223) and first sliding blocks (23), the elastic bandage (221) is fixedly connected to the fixed backing plate (22), the training components are symmetrically arranged on two sides of the fixed block (24) along a central line, the two first sliding blocks (23) are respectively and fixedly connected to two sides of the fixed block (24), the two first sliding blocks (23) are slidably connected to the second sliding groove (211), a first channel (241) and a second channel (242) are respectively formed in the upper end of the fixed block (24), the first channel (241) and the second channel (242) both extend through the first slider (23), the arrangement of the two first sliders (23) being identical, a first cavity (231) is arranged in the middle of the first sliding block (23), a cavity (232) is arranged at the bottom end of the first sliding block (23), a second rotating shaft (27) is rotatably connected in the first cavity (231), one end of the second rotating shaft (27) is rotatably connected to the inner wall of the first cavity (231), the other end of the second rotating shaft (27) penetrates into the cavity (232) and is rotatably connected to the inner wall of the cavity (232), a second gear (272) is in transmission connection with one end of the second rotating shaft (27) positioned in the first cavity (231), a second bevel gear (271) is in transmission connection with one end, away from the first cavity (231), of the second rotating shaft (27);
a first rack (222) and a sliding plate (223) are fixedly connected to the fixed cushion plate (22), one end of the sliding plate (223) is fixedly connected to the fixed cushion plate (22), the other end of the sliding plate (223) is slidably connected to the first channel (241), the end of the first rack (222) is fixedly connected to the fixed cushion plate (22), the first rack (222) is matched with the second gear (272), the first rack (222) is matched with the second channel (242), a second cavity (243) is formed in the lower portion of the fixed block (24), a torsion training device is arranged in the second cavity (243), and the torsion training device is used for training leg muscles of a user;
the counterweight component (3) is slidably connected in the first sliding chute (111), the counterweight component (3) is matched with the torsion training device, and the counterweight component (3) is used for training leg muscles of a user;
the torsion training device comprises a first rotating shaft (26), a first gear (25) and a volute spring (28), wherein two ends of the first rotating shaft (26) are respectively penetrated into cavities (232) in two first sliding blocks (23), two ends of the first rotating shaft (26) are respectively rotatably connected onto the inner wall of a second cavity (243), two ends of the first rotating shaft (26) are respectively connected with a first bevel gear (261) in a transmission manner, the first bevel gear (261) is meshed with a second bevel gear (271), a rotating groove penetrating to the outside is formed in the middle of the second cavity (243), the first gear (25) is rotatably connected to the middle of the first rotating shaft (26), the first gear (25) is located in the rotating groove, a third cavity (251) is formed in the first gear (25), and a ratchet wheel (252) is coaxially arranged in the third cavity (251), a pawl (253) is hinged to the inner wall of the third cavity (251), the pawl (253) is matched with the ratchet wheel (252), the ratchet wheel (252) is in transmission connection with the first rotating shaft (26), the scroll spring (28) is sleeved on the first rotating shaft (26), one end of the scroll spring (28) is fixedly connected to the first rotating shaft (26), the other end of the scroll spring is fixedly connected to the inner wall of the second cavity (243), the scroll springs (28) are multiple, and the scroll springs (28) are uniformly arranged along the axial direction of the first rotating shaft (26).
2. The leg strength training device for athletic rehabilitation training according to claim 1, the counterweight component (3) comprises a second sliding block (31), a counterweight frame (311), a counterweight block (312), a connecting rod (32), a shoulder pad (321), a fixed frame (33), a chain (331), a first chain wheel (332), a second chain wheel (333), a sliding shell (34), a sliding groove (340), a second rack (341) and a third gear (342), the second sliding block (31) is connected in the first sliding chute (111) in a sliding way, one end of the connecting rod (32) is fixedly connected on one side of the second sliding block (31), the other end of the connecting rod is fixedly connected with the shoulder pad (321), the counterweight frame (311) is fixedly connected to one side, away from the connecting rod (32), of the second sliding block (31), and a counterweight block (312) is detachably connected to the counterweight frame (311);
the sliding shell (34) is fixedly connected to the lower portion of the support plate (11), a sliding groove (340) is formed in the sliding shell (34), the second rack (341) is slidably connected to the sliding groove (340), the second rack (341) penetrates through the support plate (11), the second rack (341) is matched with the first gear (25), the fixing frame (33) is fixedly connected to the sliding shell (34), the upper end of the fixing frame (33) is rotatably connected with a first chain wheel (332), the bottom end of the fixing frame (33) is fixedly connected with a third rotating shaft (30), two ends of the third rotating shaft (30) are respectively rotatably connected with a second chain wheel (333) and a third gear (342), an opening is formed in the upper end of the sliding shell (34), and the third gear (342) is matched with the second rack (341) through the opening, the first chain wheel (332) and the second chain wheel (333) are in transmission connection with a chain (331), and the bottom end of the counterweight frame (311) is fixedly connected to the chain (331).
3. A leg strength training device for athletic rehabilitation training as claimed in claim 1, wherein a first pressure sensor (322) and a second pressure sensor (323) are fixedly connected to the support plate (11), the first pressure sensor (322) and the second pressure sensor (323) are both used for detecting the pressure of the back of the user on the support plate (11) when the user uses the leg strength training device, and the first pressure sensor (322) and the second pressure sensor (323) are both electrically connected to an external device.
4. The leg strength training device for athletic rehabilitation training according to claim 2, wherein the first sprocket (332) and the second sprocket (333) have the same size, and an addendum circle diameter of the second sprocket (333) is smaller than an addendum circle diameter of the third gear (342).
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| CN202110359830.3A CN113082624B (en) | 2021-04-02 | 2021-04-02 | A kind of leg strength training device for sports rehabilitation training |
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| US20180169457A1 (en) * | 2016-12-21 | 2018-06-21 | Jagdeep Singh | Assembly for active and resistive joint rehabilitation exercises |
| CN209437604U (en) * | 2018-06-11 | 2019-09-27 | 鹤壁市人民医院 | A kind of Self-adaptive strength lower limb rehabilitation training device |
| CN210494535U (en) * | 2018-09-29 | 2020-05-12 | 南京艾提瑞精密机械有限公司 | Knee joint rehabilitation device |
| CN210698185U (en) * | 2019-06-28 | 2020-06-09 | 重庆医科大学附属第一医院 | Knee joint function rehabilitation training device |
| CN211461058U (en) * | 2020-01-03 | 2020-09-11 | 夏鸣宇 | Massage chair |
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|---|---|---|---|---|
| CN111494896B (en) * | 2020-05-28 | 2024-07-26 | 程黎杰 | Auxiliary body-building equipment |
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| US4022463A (en) * | 1975-11-14 | 1977-05-10 | Elmer's Weights, Inc. | Spring type exercising device |
| US20180169457A1 (en) * | 2016-12-21 | 2018-06-21 | Jagdeep Singh | Assembly for active and resistive joint rehabilitation exercises |
| CN209437604U (en) * | 2018-06-11 | 2019-09-27 | 鹤壁市人民医院 | A kind of Self-adaptive strength lower limb rehabilitation training device |
| CN210494535U (en) * | 2018-09-29 | 2020-05-12 | 南京艾提瑞精密机械有限公司 | Knee joint rehabilitation device |
| CN210698185U (en) * | 2019-06-28 | 2020-06-09 | 重庆医科大学附属第一医院 | Knee joint function rehabilitation training device |
| CN211461058U (en) * | 2020-01-03 | 2020-09-11 | 夏鸣宇 | Massage chair |
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