CN113208875A - Leg lifting exercise device - Google Patents
Leg lifting exercise device Download PDFInfo
- Publication number
- CN113208875A CN113208875A CN202110607381.XA CN202110607381A CN113208875A CN 113208875 A CN113208875 A CN 113208875A CN 202110607381 A CN202110607381 A CN 202110607381A CN 113208875 A CN113208875 A CN 113208875A
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- China
- Prior art keywords
- leg
- leg lifting
- rotating shaft
- worm
- lifting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims description 6
- 230000007423 decrease Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 9
- 210000003141 lower extremity Anatomy 0.000 abstract description 4
- 230000006378 damage Effects 0.000 description 2
- 210000003414 extremity Anatomy 0.000 description 2
- 206010023230 Joint stiffness Diseases 0.000 description 1
- 206010028289 Muscle atrophy Diseases 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000020763 muscle atrophy Effects 0.000 description 1
- 201000000585 muscular atrophy Diseases 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H1/00—Apparatus for passive exercising; Vibrating apparatus; Chiropractic devices, e.g. body impacting devices, external devices for briefly extending or aligning unbroken bones
- A61H1/02—Stretching or bending or torsioning apparatus for exercising
- A61H1/0237—Stretching or bending or torsioning apparatus for exercising for the lower limbs
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2205/00—Devices for specific parts of the body
- A61H2205/10—Leg
Landscapes
- Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- General Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Epidemiology (AREA)
- Pain & Pain Management (AREA)
- Rehabilitation Therapy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Rehabilitation Tools (AREA)
Abstract
The invention relates to a leg lifting exercise device, which effectively solves the problems of poor exercise safety and unsatisfactory effect after lower limb treatment; the technical scheme includes that the leg lifting device comprises a back plate and two leg lifting plates, the two leg lifting plates are hinged to the left end of the back plate, a rotating shaft and two groups of lifting transmission units are arranged on the lower side of the back plate in the front-back direction, two first bevel gears are arranged on the rotating shaft, each group of lifting transmission units comprises a second bevel gear, a reciprocating screw rod and a worm, the second bevel gear is meshed with one of the first bevel gears, two ends of the reciprocating screw rod are respectively matched with the second bevel gear and the worm through splines, the reciprocating screw rod can axially reciprocate while rotating, a worm wheel is meshed on the upper side of the worm, a cam is coaxially arranged on the worm wheel, and the rotation of the cam can drive the leg lifting plates to lift and descend; the invention can assist and protect the rehabilitation exercise of the patient, and can keep the leg in the lifting state for a period of time, thereby improving the training intensity and the rehabilitation effect.
Description
Technical Field
The invention relates to the field of lower limb rehabilitation, in particular to a leg lifting exercise device.
Background
After leg diseases and injuries are treated, in order to avoid postoperative joint stiffness, muscle atrophy and adhesion among tissues, reasonable and necessary rehabilitation training needs to be carried out, and the exercise amount is gradually increased to achieve the rehabilitation effect; there are two current rehabilitation training modes:
one is to enable a patient to carry out leg lifting training by himself, but when the initial rehabilitation training is carried out, the patient is difficult to lift the leg due to the fact that the leg is lack of movement for a long time, the leg lifting is accompanied with certain pain, if the patient is exhausted in the leg lifting process, the leg loses strength and falls off, secondary damage can be caused, in addition, part of the patients have poor self-training willingness and self-control ability, and the recovery is slow or the limb function cannot be completely recovered;
the other type is that the patient is enabled to do leg lifting training through the auxiliary device, in the auxiliary leg lifting training process, the leg is usually lifted and then put down, although a certain rehabilitation effect can be achieved, after the leg is lifted upwards, the tightening time of the leg is short, the training intensity of the leg is still insufficient, and the rehabilitation training effect is poor.
Disclosure of Invention
Aiming at the problems, the invention provides a leg lifting exercise device which is used for solving the problems of poor exercise safety and poor effect after lower limb treatment.
The technical scheme includes that the leg lifting exercise device comprises a back plate and two leg lifting plates, the two leg lifting plates are hinged to the left end of the back plate, a rotating shaft in the front-back direction and two groups of lifting transmission units are mounted on the lower side of the back plate, the rotating shaft is connected with a driving unit, two first bevel gears are mounted on the rotating shaft, each group of lifting transmission units comprises a second bevel gear, a reciprocating screw rod in the left-right direction and a worm coaxial with the reciprocating screw rod, the second bevel gear is meshed with one of the first bevel gears, the right end of the reciprocating screw rod is in spline fit with the second bevel gear, the left end of the reciprocating screw rod is in spline fit with the worm, a reciprocating screw rod nut is mounted on the reciprocating screw rod and fixed with the back plate, the reciprocating screw rod can axially reciprocate while rotating, and in the process of reciprocating screw rod moving, the right end of the reciprocating screw rod is always in spline fit with the second bevel gear, the left end of the reciprocating screw rod is intermittently matched with a spline between the worms, the upper sides of the worms are meshed with a worm wheel, the worm wheel is coaxially provided with a cam, and the cam rotates to drive the leg lifting plate to lift and descend.
The driving unit comprises a motor and a reduction gear set, and the motor drives the rotating shaft to rotate through the reduction gear set.
The driving unit comprises a driving belt wheel and a driven belt wheel, a belt is connected between the driving belt wheel and the driven belt wheel, the driven belt wheel is installed on the rotating shaft, a crank is fixed on the driving belt wheel, and the driven belt wheel and the rotating shaft can be driven to rotate through the hand-cranking driving belt wheel.
The novel adjustable belt conveyor is characterized by further comprising a supporting plate, one end of the supporting plate is penetrated on the rotating shaft, the driving belt wheel is installed at the other end of the supporting plate, the supporting plate can rotate around the rotating shaft to adjust the height of the driving belt wheel, a plurality of positioning holes arranged in an arc shape are formed in the middle of the supporting plate, a positioning pin is arranged on the back plate, and the positioning pins are inserted into the different positioning holes to position the driving belt wheel at different heights.
A mandrel is fixed at the rotating center of the cam, the mandrel is matched with a worm wheel through a spline, the mandrel can drive the cam to move axially, an inclined block is fixed on the lower side of each leg lifting plate, and after the outer end of each inclined block is thin and the inner end of each inclined block is thin, the cam upwards pushes the leg lifting plate to lift through the inclined blocks.
An L-shaped rod is arranged below each leg lifting plate, the left end of each L-shaped rod is mounted on a core shaft of the cam through a bearing, two elongated slots in the front-back direction are formed in the back plate, the upper end of each L-shaped rod extends into each elongated slot, a positioning groove is formed in the side wall of each elongated slot, a positioning handle is sleeved at the upper end of each L-shaped rod and can be pulled up and down, a positioning block is fixed on the side wall of each positioning handle, and each positioning block is clamped in each positioning groove.
The two cams have a phase difference of 180 degrees.
Side plates are fixed on two sides of the back plate.
The invention can assist and protect the rehabilitation exercise of the patient, can keep the legs in the lifting state for a period of time, prolongs the tightening time of the legs, and improves the training intensity and the rehabilitation effect.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a top view of the present invention.
FIG. 3 is a top view of the present invention with the back plate and leg lift plate removed.
Fig. 4 is a sectional view taken along line a-a of fig. 2.
Fig. 5 is a sectional view taken along line B-B in fig. 2.
Fig. 6 is a cross-sectional view taken along line C-C of fig. 2.
Fig. 7 is a view taken at D in fig. 2.
Fig. 8 is a perspective view of the support plate.
Fig. 9 is a perspective view of the cam, spindle and L-shaped rod.
FIG. 10 is a perspective view of a reciprocating lead screw.
Detailed Description
The following detailed description of the invention refers to the accompanying drawings 1-10.
The invention comprises a back plate 1 and two leg lifting plates 2, wherein the two leg lifting plates 2 are hinged at the left end of the back plate 1, a rotating shaft 3 in the front-back direction and two groups of lifting transmission units are arranged at the lower side of the back plate 1, the rotating shaft 3 is connected with a driving unit, two first bevel gears 4 are arranged on the rotating shaft 3, each group of lifting transmission units comprises a second bevel gear 5, a reciprocating screw 6 in the left-right direction and a worm 7 coaxial with the reciprocating screw 6, the second bevel gear 5 is meshed with one of the first bevel gears 4, the right end of the reciprocating screw 6 is matched with the second bevel gear 5 through a spline, the left end of the reciprocating screw 6 is matched with the worm 7 through a spline, a reciprocating screw 6 nut is arranged on the reciprocating screw 6, the reciprocating screw 6 nut is fixed with the back plate 1, the reciprocating screw 6 can axially reciprocate while rotating, in the process of the reciprocating screw 6, the right end of the reciprocating screw rod 6 is matched with a spline between the second bevel gear 5 all the time, the left end of the reciprocating screw rod 6 is matched with the spline between the worm 7 in an intermittent mode, the upper side of the worm 7 is meshed with a worm wheel 9, a cam 10 is coaxially arranged on the worm wheel 9, and the cam 10 rotates to drive the leg raising plate 2 to lift and descend.
The driving unit comprises a motor and a reduction gear set, and the motor drives the rotating shaft 3 to rotate through the reduction gear set.
The driving unit comprises a driving belt wheel 11 and a driven belt wheel 12, a belt 13 is connected between the driving belt wheel 11 and the driven belt wheel 12, the driven belt wheel 12 is installed on the rotating shaft 3, a crank 14 is fixed on the driving belt wheel 11, the driven belt wheel 12 and the rotating shaft 3 can be driven to rotate through the driving belt wheel 11 by hand cranking, and the advantage of manual driving is that a patient can independently control the speed and the frequency of leg lifting according to the feeling of limbs.
The medical back plate is characterized by further comprising a supporting plate 15, one end of the supporting plate 15 penetrates through the rotating shaft 3, the driving belt wheel 11 is installed at the other end of the supporting plate 15, the supporting plate 15 can rotate around the rotating shaft 3 to adjust the height of the driving belt wheel 11 so as to be suitable for the arm of a patient, a plurality of positioning holes 16 which are arranged in an arc shape are formed in the middle of the supporting plate 15, a positioning pin 17 is arranged on the back plate 1, and the positioning pins 17 are inserted into different positioning holes 16 to position the driving belt wheel 11 at different heights.
A mandrel 18 is fixed at the rotating center of the cam 10, the mandrel 18 is matched with the worm wheel 9 through a spline, the mandrel 18 can drive the cam 10 to axially move, an inclined block 19 is fixed on the lower side of each leg lifting plate 2, after the outer end of each inclined block 19 is thin and the inner end of each inclined block is thin, the cam 10 upwards pushes the leg lifting plate 2 to lift through the inclined block 19, the cam 10 axially moves to adjust the contact position with the inclined block 19, so that the maximum lifting height of the leg lifting plate 2 is adjusted, when the cam 10 is in contact with the thin position of the inclined block 19, the maximum lifting height of the leg lifting plate 2 is lower, and when the cam 10 is in contact with the thick position of the inclined block 19, the maximum lifting height of the leg lifting plate 2 is higher.
An L-shaped rod 20 is arranged below each leg lifting plate 2, the left end of each L-shaped rod 20 is mounted on a mandrel 18 of the cam 10 through a bearing, two long grooves 21 in the front and back directions are formed in the back plate 1, the upper end of each L-shaped rod 20 extends into each long groove 21, a positioning groove 22 is formed in the side wall of each long groove 21, a positioning handle 23 is sleeved at the upper end of each L-shaped rod 20, each positioning handle 23 can be pulled up and down, a positioning block 24 is fixed on the side wall of each positioning handle 23, each positioning block 24 is clamped in each positioning groove 22, each positioning handle 23 is pulled up to pull out each positioning block 24 from each positioning groove 22, each L-shaped rod 20 can be moved along each long groove 21 at the moment, each L-shaped rod 20 pulls the mandrel 18 and the cam 10 to move axially, so that the contact position of the cam 10 and the inclined block 19 is adjusted, and each positioning handle 23 is pressed down after the adjustment is completed, and is determined that the block is clamped into each positioning groove 22 to position the L-shaped rod 20.
The two cams 10 have a phase difference of 180 degrees, so that the two leg lifting plates 2 can be alternately lifted and lowered.
The two sides of the back plate 1 are fixed with side plates 25 for supporting.
When the leg lifting exercise device is used for carrying out leg lifting exercises, a patient lies on the back plate 1, two legs are respectively placed on the two leg lifting plates 2, then the rotating shaft 3 is driven to rotate by the motor or the hand-operated driving belt wheel 11, the rotating shaft 3 can drive the two leg lifting plates 2 to swing around the hinged position of the right end through the two groups of lifting transmission units, and the repeated lifting and descending of the leg lifting plates 2 are realized, specifically: the rotating shaft 3 drives the second bevel gear 5 to rotate through the first bevel gear 4, the second bevel gear 5 drives the reciprocating lead screw 6 to rotate through a spline, under the matching action of the reciprocating lead screw and the nut of the reciprocating lead screw 6, the reciprocating lead screw 6 reciprocates left and right, the reciprocating lead screw 6 is inserted into a spline hole at the right end of the worm 7 when moving leftwards, so as to drive the worm 7 to rotate, the worm 7 drives the cam 10 to rotate through the worm wheel 9, the cam 10 pushes the leg raising plate 2 to swing up and down through the inclined block 19, when the leg raising plate 2 is raised to the highest position, the reciprocating lead screw 6 retreats rightwards from the spline hole at the right end of the worm 7 to be disconnected with the worm 7, at the moment, the cam 10 stops rotating, namely, one of the leg raising plates 2 stays at the highest position, the other leg raising plate 2 stays at the lowest position, when the reciprocating lead screw is inserted into the spline hole at the right end of the worm 7 again, the reciprocating lead screw 6 drives the worm 7 to rotate again, so as to drive the cam 10 to continue to rotate by 180 degrees, after the heights of the two leg lifting plates 2 are exchanged, the reciprocating screw 6 is withdrawn rightwards from the spline hole at the right end of the worm 7, the leg lifting plates 2 stay for a period of time under the state, the process is circulated, the leg lifting plates 2 rise and fall repeatedly, and each leg lifting plate 2 stays for a period of time after rising to the highest position, so that the exercise rehabilitation effect is enhanced.
The invention promotes and assists the lower limbs of the patient to carry out rehabilitation exercise by lifting and descending the leg lifting plate 2, the patient can gradually increase the degree of self-acting force under the auxiliary lifting force and protection action provided by the leg lifting plate 2, so that the leg lifting training is carried out under the safe and gradual condition, and when the legs are lifted to the highest position, the legs are kept in a lifting state for a period of time by the separation of the reciprocating screw rod 6 and the worm 7 and the self-locking action of the worm and gear, thereby prolonging the tightening time of the legs and improving the training intensity and the rehabilitation effect.
Claims (8)
1. A leg lifting exercise device is characterized by comprising a back plate (1) and two leg lifting plates (2), wherein the two leg lifting plates (2) are hinged to the left end of the back plate (1), a front-back rotating shaft (3) and two groups of lifting transmission units are installed on the lower side of the back plate (1), the rotating shaft (3) is connected with a driving unit, two first bevel gears (4) are installed on the rotating shaft (3), each group of lifting transmission units comprises a second bevel gear (5), a left-right reciprocating lead screw (6) and a worm (7) coaxial with the reciprocating lead screw (6), the second bevel gear (5) is meshed with one of the first bevel gears (4), the right end of the reciprocating lead screw (6) is matched with the second bevel gear (5) through a spline, the left end of the reciprocating lead screw (6) is matched with the worm (7) through a spline, a nut of the reciprocating lead screw (6) is installed on the reciprocating lead screw (6), reciprocating screw (6) nut is fixed with backplate (1), but reciprocating screw (6) axial reciprocating motion when pivoted, at reciprocating screw (6) removal in-process, the spline between reciprocating screw (6) right-hand member and second bevel gear (5) is the cooperation all the time, spline intermittent type formula cooperation between reciprocating screw (6) left end and worm (7), worm (7) upside meshing has a worm wheel (9), worm wheel (9) coaxial arrangement has a cam (10), cam (10) rotate can drive and lift leg board (2) lifting and decline.
2. The leg lifting exercise device as claimed in claim 1, wherein the driving unit comprises a motor and a reduction gear set, and the motor drives the rotating shaft (3) to rotate through the reduction gear set.
3. The leg lifting exercise device according to claim 1, wherein the driving unit comprises a driving pulley (11) and a driven pulley (12), a belt (13) is connected between the driving pulley (11) and the driven pulley (12), the driven pulley (12) is mounted on the rotating shaft (3), a crank (14) is fixed on the driving pulley (11), and the driving pulley (11) is manually operated to drive the driven pulley (12) and the rotating shaft (3) to rotate.
4. The leg lifting exercise device according to claim 3, further comprising a support plate (15), wherein one end of the support plate (15) is inserted through the rotating shaft (3), the driving pulley (11) is installed at the other end of the support plate (15), the support plate (15) can rotate around the rotating shaft (3) so as to adjust the height of the driving pulley (11), the middle of the support plate (15) is provided with a plurality of positioning holes (16) which are arranged in an arc shape, the back plate (1) is provided with a positioning pin (17), and the positioning pin (17) is inserted into different positioning holes (16) so as to position the driving pulley (11) at different heights.
5. The leg lifting exercise device according to claim 1, wherein a mandrel (18) is fixed at the rotating center of the cam (10), the mandrel (18) is matched with the worm wheel (9) through splines, the mandrel (18) can drive the cam (10) to move axially, an inclined block (19) is fixed on the lower side of each leg lifting plate (2), and after the outer end of the inclined block (19) is thinner and the inner end is thinner, the cam (10) pushes the leg lifting plate (2) upwards to lift through the inclined block (19).
6. The leg lifting exercise device according to claim 6, wherein an L-shaped rod (20) is arranged below each leg lifting plate (2), the left end of each L-shaped rod (20) is mounted on a mandrel (18) of the cam (10) through a bearing, two long grooves (21) in the front-back direction are formed in the back plate (1), the upper end of each L-shaped rod (20) extends into each long groove (21), a positioning groove (22) is formed in the side wall of each long groove (21), a positioning handle (23) is sleeved on the upper end of each L-shaped rod (20), each positioning handle (23) can be pulled up and down, a positioning block (24) is fixed on the side wall of each positioning handle (23), and each positioning block (24) is clamped in each positioning groove (22).
7. A leg-raising exercise apparatus as claimed in claim 1, wherein the two cams (10) are out of phase by (180) degrees.
8. The leg raising exercise device according to claim 1, wherein side plates (25) are fixed to both sides of the back plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110607381.XA CN113208875A (en) | 2021-06-01 | 2021-06-01 | Leg lifting exercise device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110607381.XA CN113208875A (en) | 2021-06-01 | 2021-06-01 | Leg lifting exercise device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113208875A true CN113208875A (en) | 2021-08-06 |
Family
ID=77082076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110607381.XA Withdrawn CN113208875A (en) | 2021-06-01 | 2021-06-01 | Leg lifting exercise device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113208875A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113663291A (en) * | 2021-08-23 | 2021-11-19 | 河南省洛阳正骨医院（河南省骨科医院） | Hip fracture postoperative rehabilitation auxiliary device |
-
2021
- 2021-06-01 CN CN202110607381.XA patent/CN113208875A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113663291A (en) * | 2021-08-23 | 2021-11-19 | 河南省洛阳正骨医院（河南省骨科医院） | Hip fracture postoperative rehabilitation auxiliary device |
| CN113663291B (en) * | 2021-08-23 | 2022-08-05 | 河南省洛阳正骨医院（河南省骨科医院） | Hip fracture postoperative rehabilitation auxiliary device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210806 |