CN115154985A - Self-adaptation shank trainer - Google Patents
Self-adaptation shank trainer Download PDFInfo
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- CN115154985A CN115154985A CN202210553256.XA CN202210553256A CN115154985A CN 115154985 A CN115154985 A CN 115154985A CN 202210553256 A CN202210553256 A CN 202210553256A CN 115154985 A CN115154985 A CN 115154985A
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- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 238000003756 stirring Methods 0.000 claims description 31
- 230000009471 action Effects 0.000 claims description 14
- 230000003044 adaptive effect Effects 0.000 claims description 11
- 210000002414 leg Anatomy 0.000 abstract description 34
- 210000001699 lower leg Anatomy 0.000 abstract description 23
- 230000000694 effects Effects 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 210000000689 upper leg Anatomy 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 210000003127 knee Anatomy 0.000 description 2
- 210000003141 lower extremity Anatomy 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 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
- 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
- A63B21/04—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 attached to static foundation, e.g. a user
- A63B21/0442—Anchored at one end only, the other end being manipulated by the user
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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
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Rehabilitation Tools (AREA)
Abstract
The invention relates to the technical field of transmission devices, in particular to a self-adaptive leg training device. A self-adaptive leg training device comprises a seat, two guide rails, a push block, a slide bar, a fixing sleeve, a connecting rod, a mixing block, a reset mechanism, a lifting mechanism and an adjusting mechanism. The two guide rails are slidably mounted on the left and right sides of the seat in the up-down direction, respectively. When the self-adaptive leg training device is used for leg training, a trainer only needs to sit on the seat, the crus and the fixed sleeve are fixedly arranged, the elasticity of the training spring needs to be overcome when the crus are lifted during exercise, the training spring is released after the lifting angle reaches a preset value, the trainer can achieve the set target when lifting the legs every time, and the self-adaptive leg training device is simple and convenient to use. The self-adaptive leg training device can automatically adjust the height of the connecting rod according to the thickness of the legs of a person, and ensures that each trainer achieves the same using effect.
Description
Technical Field
The invention relates to the technical field of transmission devices, in particular to a self-adaptive leg training device.
Background
Athletes often require special equipment for targeted training during daily training, such as training for leg strength and flexibility. Mass-produced sporting equipment often cannot accommodate people with different physiological characteristics or requires manual adjustment. The operation is complicated. There is a need for a training device that is easily adjustable for use by persons of different physiological characteristics.
People's shank diameter is different, and different people sit on the chair knee different with the distance on chair surface, and this rotation center that just causes different people's shank in the leg stretching training puts differently, and current shank trainer can not be according to the different training positions of the automatic matching of thickness of people's leg, causes the training effect poor, and causes the training person to experience the sense relatively poor easily.
Disclosure of Invention
The invention provides a self-adaptive leg training device, which aims to solve the problem that the existing leg training device cannot self-adaptively adjust a proper training position according to the thickness of a human leg.
The invention discloses a self-adaptive leg training device, which adopts the following technical scheme:
a self-adaptive leg training device comprises a seat, two guide rails, a push block, a slide bar, a fixed sleeve, a connecting rod, a mixing block, a reset mechanism, a lifting mechanism and an adjusting mechanism.
The two guide rails are slidably arranged at the left side and the right side of the seat along the up-down direction respectively, each guide rail extends along the front-back direction, a transverse groove extending along the length direction of the guide rail is arranged in each guide rail, a fixed rod is fixedly arranged in each transverse groove, a training spring is sleeved outside each fixed rod, the rear end of each training spring abuts against the corresponding guide rail, and a shaft shoulder is fixed at the front end of each fixed rod; the push block is slidably sleeved on the fixed rod and is positioned between the shaft shoulder and the training spring; the sliding strip is arranged along the guide rail in a sliding manner and is arranged on the outer side of the push block; the fixed sleeves are used for fixing the shank part of a person, and each fixed sleeve is provided with a hinged slide block; the connecting rods are arranged on the left side and the right side of the seat, one end of each connecting rod is hinged with the slide bar, and the rear end of each connecting rod is hinged with the hinged sliding block; the stirring block is connected to the sliding strip through a return spring, the stirring block is located on the front side of the pushing block in an initial state, a first inclined surface is arranged on the front side of the stirring block, the lower end of the first inclined surface is connected with a vertical surface abutted against the pushing block, a second inclined surface is arranged on the rear side of the stirring block, the gradient of the second inclined surface is smaller than that of the first inclined surface, and the lower end of the second inclined surface extends to the position below the pushing block; the reset mechanism is configured to promote the vertical surface of the stirring block to be separated from the push block after the push block moves backwards to the preset position; the lifting mechanism is configured to lift the guide rail when the slide bar moves backwards to exceed a preset position and then continues to move backwards; the adjusting mechanism is configured to cause the hinged slider to be lifted upwards when the guide rail is lifted, and the height of the hinged slider lifted upwards is the same as the height of the guide rail.
Further, the lifting mechanism comprises a first gear, a second gear, a first rack and a second rack; the axis of the first gear extends along the left-right direction and can be rotatably arranged on the guide rail around the axis of the first gear, and the second gear is coaxially arranged with the first gear and is configured to rotate along with the first gear only when the first gear rotates around the axis of the first gear along the clockwise direction when viewed from the right direction; the first rack is fixedly arranged at the front end of the lower surface of the sliding strip and is configured to be meshed with the first gear when the sliding strip moves backwards to exceed a preset position and then continues to move; the second rack is vertically arranged, fixedly mounted on the seat and positioned at the rear side of the second gear, and the second gear is meshed with the second rack.
Furthermore, the rear end surface of the guide rail is a third inclined surface extending outwards from top to bottom, the fixing sleeve is provided with a mounting groove, and the adjusting mechanism comprises a friction plate, a pressure lever and a bump; the hinged sliding block and the friction plate are both positioned in the mounting groove, a pre-tightening friction force is formed between the friction plate and the rear end face of the hinged sliding block in an initial state, the rear side face of the friction plate is connected with the rear groove wall of the mounting groove through a pressure spring, the lower side face of the hinged sliding block is connected with the lower groove wall of the mounting groove through a pre-tightening spring, and the pre-tightening spring and the pressure spring are both in a compressed state; the lower end of the pressure lever is rotatably arranged around an axis extending in the left-right direction, the upper end of the pressure lever is abutted against the third inclined surface, and the upper end of the pressure lever is positioned at the front side of the lower end; the lug is arranged at the lower end of the pressure rod and is configured to push the friction plate backwards when the pressure rod rotates clockwise around a hinge point at the lower end, and then the friction plate resets under the action of the pressure spring when the pressure rod rotates anticlockwise around the hinge point at the lower end.
Furthermore, a through hole which is through from front to back is formed in the push block, the reset mechanism comprises a push rod, the push rod is fixedly installed in the transverse groove, the push rod is configured to penetrate through the through hole at the front end of the push rod after the slide bar moves backwards to the preset position, and the push rod slides along the first inclined plane of the mixing block, so that the mixing block moves downwards under the pushing action of the push rod, and the vertical plane is separated from the push block.
Further, the preset position is the position where the push block and the slide bar are located when the connecting rod moves to be parallel to the slide bar.
Furthermore, the front end of the guide rail is provided with a limiting block for preventing the sliding strip from sliding out.
Furthermore, the hinged sliding block is provided with a hinged shaft extending along the left-right direction, and the lower end of the connecting rod is hinged to the hinged sliding block through the hinged shaft.
The beneficial effects of the invention are: when the self-adaptive leg training device is used by a trainer to perform leg training, the trainer only needs to sit on the seat, the crus and the fixed sleeve are fixedly arranged, the elasticity of the training spring needs to be overcome when the crus are lifted during exercise, the training spring can be released after the lifting angle reaches a preset value, the trainer can reach a set target every time the leg is lifted, and the self-adaptive leg training device is simple and convenient to use. The self-adaptive leg training device can automatically adjust the height of the connecting rod according to the thickness of the legs of a person, and the sliding range and the sliding angle of the connecting rod are not changed, namely, trainers with different physiological characteristics all need to lift the lower legs at the same angle by using the self-adaptive leg training device, so that each trainer can achieve the same using effect.
Further, the excessive stroke of the sliding strip is converted into the height of the guide rail by arranging the first gear, the second gear, the first rack and the second rack, and the trainer enables the guide rail to be closer to a comfortable position during each training.
Furthermore, the preset position is set as the position where the sliding strip and the push block are located when the connecting rod moves to be parallel to the sliding strip, and the lower leg part and the upper leg part of the trainer are approximately straight at the moment, so that the trainer can train more fully.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of an adaptive leg training device according to the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
fig. 3 is an enlarged view of fig. 1 at G.
FIG. 4 is a right side view of an embodiment of an adaptive leg training device of the present invention;
FIG. 5 is an enlarged view of FIG. 4 at B;
FIG. 6 is an enlarged view of FIG. 4 at D;
FIG. 7 is an enlarged view at C of FIG. 4;
FIG. 8 is a right side schematic view of a use state of an embodiment of an adaptive leg training device of the present invention;
FIG. 9 is an enlarged view at E of FIG. 8;
FIG. 10 is an enlarged view at F of FIG. 8;
in the figure: 11. a seat; 12. a lower limb; 21. a slide bar; 22. a first gear; 23. a first rack; 24. a connecting rod; 25. fixing a sleeve; 26. a pressure lever; 261. a bump; 27. a second rack; 28. a second gear; 31. a limiting block; 32. a guide rail; 33. fixing the rod; 34. training a spring; 35. a push block; 36. stirring blocks; 37. a push rod; 38. a return spring; 41. a friction plate; 42. a pressure spring; 43. hinging a shaft; 44. a hinged slider; 45. and pre-tightening the spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 10, an embodiment of an adaptive leg training device according to the present invention includes a seat 11, two guide rails 32, a push block 35, a slide bar 21, a fixing sleeve 25, a connecting rod 24, a stirring block 36, a return mechanism, a lifting mechanism, and an adjusting mechanism.
The two guide rails 32 are slidably mounted on the left and right sides of the seat 11 in the up-down direction, each guide rail 32 extends in the front-back direction, a transverse groove extending in the length direction of the guide rail 32 is formed in each guide rail 32, a fixing rod 33 is fixedly mounted in each transverse groove, a training spring 34 is sleeved outside each fixing rod 33, the rear end of each training spring 34 abuts against the corresponding guide rail 32, and a shaft shoulder is fixed to the front end of each fixing rod 33. The push block 35 is slidably fitted over the fixing rod 33 between the shoulder and the training spring 34. The slide bar 21 is slidably disposed along the guide rail 32 and is disposed outside the push block 35. The sleeves 25 are intended to hold the lower leg of the lower limb 12 of the exerciser and each sleeve 25 is provided with a hinged slider 44. The connecting rods 24 are arranged on the left side and the right side of the seat 11, and the upper end of each connecting rod 24 is hinged with the slide bar 21, and the lower end is hinged with the hinged sliding block 44. The lower end of the stirring block 36 is connected to the slide bar 21 through a return spring 38, the stirring block 36 is located on the front side of the push block 35 in an initial state, a first inclined surface is arranged on the front side of the stirring block 36, the lower end of the first inclined surface is connected with a vertical surface abutted against the push block 35, a second inclined surface is arranged on the rear side of the stirring block 36, the gradient of the second inclined surface is smaller than that of the first inclined surface, and the lower end of the second inclined surface extends to the lower side of the push block 35. The return mechanism is configured to urge the vertical face of the paddle 36 to disengage from the push block 35 after the push block 35 is moved rearward to a preset position. The lifting mechanism is configured to lift the guide rail 32 when the slide bar 21 continues to move rearward beyond a preset position. The adjustment mechanism is configured to cause the hinge slider 44 to be lifted upward when the guide rail 32 is lifted, and to make the height at which the hinge slider 44 is lifted upward the same as the height at which the guide rail 32 is lifted.
When the trainer uses the training device, the lower leg part and the fixing sleeve 25 are fixed, the included angle between the lower leg part and the upper leg part is 90 degrees (as shown in figure 1) in the initial state, the lower leg part drives the fixing sleeve 25 to lift during training, and in the process, the fixing sleeve 25 pulls the slide bar 21 to slide along the guide rail 32 through the connecting rod 24. The stirring block 36 pushes against the pushing block 35 to compress the training spring 34. After the pushing block 35 moves backward to the preset position, the stirring block 36 moves downward under the action of the reset mechanism, so that the rear vertical surface is separated from the pushing block 35, and the pushing block 35 is reset under the action of the training spring 34.
Then, when the small leg part returns to the original position, the slide bar 21 is pulled to return through the connecting rod 24, the slide bar 21 drives the stirring block 36 to move forwards synchronously, and the stirring block 36 passes over the push block 35 under the action of a second inclined surface on the front side of the pushing block, so that the stirring block 36 returns to the original state.
Because the thickness of the legs of people is different, the height of the rotation center of the lower leg part is not fixed, if the height of the rotation center is higher, the rotation radius of the fixing sleeve 25 is increased, when the lower leg part is lifted by the same angle, the backward moving distance of the slide bar 21 is increased, namely, the slide bar 21 continuously slides backward after moving backward to the preset position, the lifting mechanism lifts the guide rail 32 when the slide bar 21 continuously slides backward after exceeding the preset position, and the adjusting mechanism promotes the hinge sliding block 44 to lift upwards when the guide rail 32 is lifted, and the lifting height of the hinge sliding block 44 is the same as the lifting height of the guide rail 32.
In this embodiment, the lifting mechanism includes a first gear 22, a second gear 28, a first rack 23, and a second rack 27. The first gear 22 has an axis extending in the left-right direction and is rotatably attached to the rail 32 around its own axis, and the second gear 28 is provided coaxially with the first gear 22 and is arranged to rotate with the first gear 22 only when the first gear 22 rotates around its own axis in the clockwise direction as viewed from the right. The first rack 23 is fixedly installed at the front end of the lower surface of the slide bar 21, and configured to engage with the first gear 22 when the slide bar 21 moves backward beyond a preset position and then continues to move, so as to drive the first gear 22 to rotate around its axis in a clockwise direction as viewed from the right, and further drive the second gear 28 to rotate around its axis in a clockwise direction. The second rack 27 is vertically arranged and fixedly mounted on the seat 11 and located at the rear side of the second gear 28, and the second gear 28 is meshed with the second rack 27 so as to ascend along the second rack 27 when the second gear 28 rotates clockwise around the axis of the second gear, and further drive the guide rail 32 to ascend so as to adapt to trainers with different physiological characteristics.
In this embodiment, as shown in fig. 6 and 7, the rear end surface of the guide rail 32 is a third inclined surface extending outward gradually from top to bottom, the fixing sleeve 25 is provided with a mounting groove, and the adjusting mechanism includes a friction plate 41, a pressure rod 26 and a projection 261. The hinged sliding block 44 and the friction plate 41 are both located in the installation groove, a pre-tightening friction force is formed between the friction plate 41 and the rear end face of the hinged sliding block 44 in an initial state, the rear side face of the friction plate 41 is connected with the rear groove wall of the installation groove through the pressure spring 42, the lower side face of the hinged sliding block 44 is connected with the lower groove wall of the installation groove through the pre-tightening spring 45, and the pre-tightening spring 45 and the pressure spring 42 are both in a compressed state. The lower end of the pressing rod 26 is rotatably arranged around an axis extending in the left-right direction, the upper end of the pressing rod abuts against the third inclined surface, the upper end of the pressing rod is located on the front side of the lower end, the pressing rod slides along the third inclined surface when the guide rail 32 rises, and the pressing rod 26 moves downwards relative to the guide rail 32, and the third inclined surface gradually extends outwards from top to bottom, so that the pressing rod 26 rotates clockwise around a hinge point when the upper end of the pressing rod 26 slides along the third inclined surface. The protruding block 261 is disposed at the lower end of the pressing rod 26, and is configured to overcome the elastic force of the pre-tightening spring 45 to push the friction plate 41 backwards when the pressing rod 26 rotates clockwise around the hinge point at the lower end, so that the pre-tightening friction force between the friction plate 41 and the hinge slider 44 is reduced, the hinge slider 44 is lifted under the action of the compression spring 42, and then the pressing rod 26 is driven to lift up, because the pressing rod 26 slides upwards relative to the guide rail 32, the pressing rod 26 is limited to rotate anticlockwise around the axis of the pressing rod 26 at the third inclined plane, the protruding block 261 does not push the friction plate 41 any more, the friction plate 41 is reset under the action of the pre-tightening spring 45, and the pre-tightening friction force is provided between the hinge slider 44 and the friction plate 41 again.
In this embodiment, as shown in fig. 10, a through hole penetrating through the push block 35 is provided in the front and back direction, the reset mechanism includes a push rod 37, the push rod 37 is fixedly installed in the transverse groove, and is configured such that the front end of the push rod 37 passes through the through hole after the slide bar 21 moves backwards to the preset position, and slides along the first inclined surface of the stirring block 36, so that the stirring block 36 moves downwards under the pushing action of the push rod 37, and the vertical surface is separated from the push block 35.
In the present embodiment, the preset position is a position where the slide bar 21 and the push block 35 are located when the connecting rod 24 moves to be parallel to the slide bar 21.
In the present embodiment, as shown in fig. 2, the front end of the guide rail 32 is provided with a stopper 31 for preventing the slide bar 21 from slipping out.
In the present embodiment, as shown in fig. 6, the hinge slider 44 is provided with a hinge shaft 43 extending in the left-right direction, and the lower end of the link 24 is hinged to the hinge slider 44 through the hinge shaft 43.
During normal use, the training person sits on the seat, and is fixed shank and fixed cover 25, and the contained angle between shank and the thigh portion is 90 degrees, and the shank drives fixed cover 25 lifting during the training, and until and the contained angle between the thigh portion become 180 degrees, at this in-process, fixed cover 25 passes through connecting rod 24 pulling draw runner 21 and slides along guide rail 32. The stirring block 36 pushes against the pushing block 35 to compress the training spring 34. When the connecting rod swings to be parallel to the guide rail, the pushing block 35 moves to enable the pushing rod 37 to penetrate through a preset through hole of the pushing block 35 and extend out of the front end of the through hole, the first inclined surface on the rear side of the stirring block 36 is pressed forwards, the stirring block 36 moves downwards under the action of the first inclined surface on the rear side and the pushing rod 37 and overcomes the elastic force of the return spring 38, the vertical surface on the rear side is separated from the pushing block 35, and the pushing block 35 is enabled to be reset under the action of the training spring 34. Then, when the small leg part returns to the original position, the slide bar 21 is pulled to return through the connecting rod 24, the slide bar 21 drives the stirring block 36 to move forwards synchronously, and the stirring block 36 passes over the push block 35 under the action of a second inclined surface on the front side of the pushing block, so that the stirring block 36 returns to the original state.
Because the thickness of people's leg is different, the height of the centre of rotation of shank is unset, if the centre of rotation height is higher, fixed cover 25 radius of rotation increases, when shank lifting to become 180 degrees with the contained angle between the thigh portion, the distance that the draw runner 21 moves backward increases for first rack 23 and first gear 22 mesh, the in-process that first rack 23 moved backward drives first gear 22 around self axis along the clockwise rotation of looking from the right side left to drive second gear 28 synchronous revolution, second gear 28 rises along second rack 27 and lifts guide rail 32. In the lifting process of the guide rail 32, the upper end of the pressure rod 26 slides relative to the third inclined surface at the rear end of the guide rail 32 and rotates clockwise around the hinge point at the lower end, as the lug 261 at the lower end of the pressure rod pushes the friction plate 41 backwards when the pressure rod 26 rotates clockwise around the hinge point, the hinged slider 44 is separated from the limit of the friction plate 41 and lifted under the elastic force of the pressure spring, the hinged shaft 43 hinged with the connecting rod 24 rises at the moment and drives the pressure rod 26 to lift synchronously, the upper end of the pressure rod 26 slides along the third inclined surface at the rear end of the guide rail 32 before the initial position of the shank part is restored, and rotates anticlockwise around the hinge point at the lower end of the pressure rod 26 to restore the initial position, the friction plate 41 is pressed and matched with the lug 261 on the pressure rod 26 again under the action of the plurality of the pressure springs 42, and pre-tightening friction force is generated between the hinged slider 44 and the friction plate 41 again, so that one-time adjustment is completed. The distance between the guide rail 32 and the knee gradually approaches the standard position in the process of swinging the lower leg part for multiple times, and at this time, the self-adaptive leg training device of the embodiment of the invention is completely adapted to the physiological characteristics of the trainee.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. An adaptive leg training device, characterized in that: comprises a seat, two guide rails, a push block, a slide bar, a fixed sleeve, a connecting rod, a mixing block, a reset mechanism, a lifting mechanism and an adjusting mechanism;
the two guide rails are respectively arranged on the left side and the right side of the seat in a sliding manner along the up-down direction, each guide rail extends along the front-back direction, a transverse groove extending along the length direction of the guide rail is arranged in each guide rail, a fixed rod is fixed in each transverse groove, a training spring is sleeved on the outer side of each fixed rod, the rear end of each training spring abuts against the corresponding guide rail, and a shaft shoulder is fixedly arranged at the front end of each fixed rod; the push block is slidably sleeved on the fixed rod and is positioned between the shaft shoulder and the training spring; the sliding strip is arranged along the guide rail in a sliding manner and is arranged on the outer side of the push block; the fixed sleeves are used for fixing the shank part of a person, and each fixed sleeve is provided with a hinged slide block; the connecting rods are arranged on the left side and the right side of the seat, one end of each connecting rod is hinged with the slide bar, and the rear end of each connecting rod is hinged with the hinged sliding block; the stirring block is connected to the sliding strip through a return spring, the stirring block is located on the front side of the pushing block in an initial state, a first inclined plane is arranged on the front side of the stirring block, the lower end of the first inclined plane is connected with a vertical plane which is abutted against the pushing block, a second inclined plane is arranged on the rear side of the stirring block, the gradient of the second inclined plane is smaller than that of the first inclined plane, and the lower end of the second inclined plane extends to the lower side of the pushing block; the reset mechanism is configured to enable the vertical surface of the stirring block to be separated from the push block after the push block moves backwards to the preset position; the lifting mechanism is configured to lift the guide rail when the slide bar moves backwards to exceed a preset position and then continues to move backwards; the adjusting mechanism is configured to cause the hinged slider to be lifted upwards when the guide rail is lifted, and the height of the hinged slider lifted upwards is the same as the height of the guide rail.
2. An adaptive leg training device according to claim 1, wherein: the lifting mechanism comprises a first gear, a second gear, a first rack and a second rack; the axis of the first gear extends along the left-right direction and can be rotatably arranged on the guide rail around the axis of the first gear, and the second gear is coaxially arranged with the first gear and is configured to rotate along with the first gear only when the first gear rotates around the axis of the first gear along the clockwise direction when viewed from the right direction; the first rack is fixedly arranged at the front end of the lower surface of the sliding strip and is configured to be meshed with the first gear when the sliding strip moves backwards to exceed a preset position and then continues to move; the second rack is vertically arranged, fixedly mounted on the seat and positioned at the rear side of the second gear, and the second gear is meshed with the second rack.
3. An adaptive leg training device according to claim 2, wherein: the rear end face of the guide rail is a third inclined plane extending outwards from top to bottom, the fixing sleeve is provided with a mounting groove, and the adjusting mechanism comprises a friction plate, a pressure rod and a convex block; the hinge sliding block and the friction plate are both positioned in the mounting groove, a pre-tightening friction force is formed between the friction plate and the rear end face of the hinge sliding block in an initial state, the rear side face of the friction plate is connected with the rear groove wall of the mounting groove through a pressure spring, the lower side face of the hinge sliding block is connected with the lower groove wall of the mounting groove through a pre-tightening spring, and the pre-tightening spring and the pressure spring are both in a compressed state; the lower end of the pressure lever is rotatably arranged around an axis extending in the left-right direction, the upper end of the pressure lever is abutted against the third inclined surface, and the upper end of the pressure lever is positioned at the front side of the lower end; the lug is arranged at the lower end of the pressure rod and is configured to push the friction plate backwards when the pressure rod rotates clockwise around a hinge point at the lower end, and then the friction plate resets under the action of the pressure spring when the pressure rod rotates anticlockwise around the hinge point at the lower end.
4. An adaptive leg training device according to claim 2, wherein: the push block is provided with a through hole which is through from front to back, the reset mechanism comprises a push rod, the push rod is fixedly installed in the transverse groove, the front end of the push rod penetrates through the through hole after the slide bar moves backwards to the preset position, and the push rod slides along the first inclined plane of the stirring block, so that the stirring block moves downwards under the pushing action of the push rod, and the vertical plane is separated from the push block.
5. An adaptive leg training device according to claim 4, wherein: the preset position is the position where the push block and the slide bar are located when the connecting rod moves to be parallel to the slide bar.
6. An adaptive leg training device according to claim 1 wherein: the front end of the guide rail is provided with a limiting block for preventing the slide bar from sliding out.
7. An adaptive leg training device according to claim 5, wherein: the hinged sliding block is provided with a hinged shaft extending along the left-right direction, and the lower end of the connecting rod is hinged to the hinged sliding block through the hinged shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210553256.XA CN115154985B (en) | 2022-05-20 | 2022-05-20 | Self-adaptive leg training device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210553256.XA CN115154985B (en) | 2022-05-20 | 2022-05-20 | Self-adaptive leg training device |
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| Publication Number | Publication Date |
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| CN115154985A true CN115154985A (en) | 2022-10-11 |
| CN115154985B CN115154985B (en) | 2023-11-10 |
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| CN202210553256.XA Active CN115154985B (en) | 2022-05-20 | 2022-05-20 | Self-adaptive leg training device |
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| CN (1) | CN115154985B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012192107A (en) * | 2011-03-18 | 2012-10-11 | J-Workout Corp | Muscular force training device |
| CN105030485A (en) * | 2015-09-18 | 2015-11-11 | 中国科学院自动化研究所 | Leg mechanism for lower limb rehabilitation training |
| CN110270055A (en) * | 2019-07-17 | 2019-09-24 | 刘梅 | A kind of physical training bicycle |
| KR20210128079A (en) * | 2020-04-16 | 2021-10-26 | 설동혁 | Leg opening sporting goods |
| CN214679826U (en) * | 2021-04-29 | 2021-11-12 | 平凉市崆峒区中医医院 | Recovered device of taking exercise of orthopedics |
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2022
- 2022-05-20 CN CN202210553256.XA patent/CN115154985B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012192107A (en) * | 2011-03-18 | 2012-10-11 | J-Workout Corp | Muscular force training device |
| CN105030485A (en) * | 2015-09-18 | 2015-11-11 | 中国科学院自动化研究所 | Leg mechanism for lower limb rehabilitation training |
| CN110270055A (en) * | 2019-07-17 | 2019-09-24 | 刘梅 | A kind of physical training bicycle |
| KR20210128079A (en) * | 2020-04-16 | 2021-10-26 | 설동혁 | Leg opening sporting goods |
| CN214679826U (en) * | 2021-04-29 | 2021-11-12 | 平凉市崆峒区中医医院 | Recovered device of taking exercise of orthopedics |
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| CN115154985B (en) | 2023-11-10 |
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