CN219896304U - Lower limb exercise machine - Google Patents
Lower limb exercise machine Download PDFInfo
- Publication number
- CN219896304U CN219896304U CN202321208319.4U CN202321208319U CN219896304U CN 219896304 U CN219896304 U CN 219896304U CN 202321208319 U CN202321208319 U CN 202321208319U CN 219896304 U CN219896304 U CN 219896304U
- Authority
- CN
- China
- Prior art keywords
- swing arm
- arm
- free end
- fixing mechanism
- shank
- 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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- 210000003141 lower extremity Anatomy 0.000 title claims abstract description 27
- 230000007246 mechanism Effects 0.000 claims abstract description 62
- 230000000694 effects Effects 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 210000002414 leg Anatomy 0.000 description 9
- 208000027418 Wounds and injury Diseases 0.000 description 4
- 230000006378 damage Effects 0.000 description 4
- 208000014674 injury Diseases 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 210000003414 extremity Anatomy 0.000 description 3
- 241000219098 Parthenocissus Species 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 244000309466 calf Species 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 210000000629 knee joint Anatomy 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Abstract
The utility model discloses a lower limb exercise machine, and relates to the technical field of medical appliances. The device comprises a machine body provided with a power device; a front swing arm rotatably connected to the front end of the body and swinging in the front-rear direction; a rear swing arm rotatably connected to the rear end of the body and swinging in the front-rear direction; the front end of the shank fixing mechanism is rotationally connected with the free end of the front swing arm, and the rear end of the shank fixing mechanism is rotationally connected with the free end of the rear swing arm. The beneficial effects of the utility model are as follows: when the device is used, the device is convenient to adjust and adapt, the circular effect of arc movement is better, and patients are better protected.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to a lower limb exercise machine 。
Background
After the lower limb and leg of a patient are damaged or operated, proper rehabilitation training is required to be performed in the recovery process so as to recover the leg function.
When the existing majority of lower limb auxiliary exercise machines perform rehabilitation training on the lower leg, the power for reciprocating sliding is generally provided for the telescopic device, the lower leg of a patient is subjected to reciprocating movement training, and the lower leg is driven to perform simple back and forth reciprocating movement, so that the lower leg is not completely consistent with the normal movement mode of the lower leg, the training effect is poor, even the patient is possibly injured, and the lower leg is inconvenient to adjust and adapt to patients with different leg lengths.
Disclosure of Invention
The utility model aims to solve the technical problems and provides a lower limb exercise machine aiming at the technical defects. When the device is used, the device is convenient to adjust and adapt, the circular effect of arc movement is better, and patients are better protected.
The technical scheme adopted by the utility model is as follows: providing a lower limb exercise machine comprising: the machine body is provided with a power device; a front swing arm rotatably connected to the front end of the body and swinging in the front-rear direction; a rear swing arm rotatably connected to the rear end of the body and swinging in the front-rear direction; the front end of the shank fixing mechanism is rotationally connected with the free end of the front swing arm, and the rear end of the shank fixing mechanism is rotationally connected with the free end of the rear swing arm; the power device drives the rear swing arm or the front swing arm to swing in a reciprocating manner, so that the shank fixing mechanism moves forwards while rotating at a low front and a high rear, and moves backwards while rotating at a high front and a low rear.
Further optimizing the technical scheme, the front end of the shank fixing mechanism of the lower limb exercise machine is detachably and rotatably connected with the free end of the front swing arm; the rear end of the shank fixing mechanism is detachably and rotatably connected with the free end of the rear swing arm.
Further optimizing this technical scheme, the free end of lower limb movement machine's back swing arm is equipped with rotatable connecting plate, the connecting plate with the laminating is fixed can be dismantled to shank fixed establishment's rear end face.
Further optimize this technical scheme, the back swing arm of low limbs motion machine includes: a main arm rotatably connected to the rear end of the main body and swinging in the front-rear direction; the adjusting arm is connected with the free end of the main arm in a locking and rotating way and is used for adjusting the angle along the front-back direction, the free end of the adjusting arm forms the free end of the rear swing arm, and the free end of the adjusting arm is connected with the rear end of the shank fixing mechanism in a rotating way; the adjusting arm rotates back and forth to adjust the front and back positions of the shank fixing mechanism.
According to the technical scheme, the free end of the main arm of the lower limb exercise machine is provided with a plurality of main jacks, the adjusting arm is provided with a plurality of auxiliary jacks, the adjusting arm rotates relative to the main arm to enable different main jacks to be opposite to the auxiliary jacks, and the angle between the adjusting arm and the main arm is locked by penetrating the corresponding main jacks and the auxiliary jacks through bolts.
According to the technical scheme, a connecting rod is arranged between the free end of the front swing arm and the free end of the rear swing arm of the lower limb exercise machine, one end, close to the front swing arm, of the connecting rod is provided with a sliding clamping groove along the front-rear direction, and the sliding clamping groove is provided with a notch; the front end of the shank fixing mechanism is provided with a clamping shaft, the clamping shaft can be clamped into or withdrawn from the sliding clamping groove through the notch and can slide back and forth along the sliding clamping groove, so that the front end of the shank fixing mechanism is detachably and rotatably connected with the free end of the front swing arm, and the front and back positions of the shank fixing mechanism are adjustable.
Further optimize this technical scheme, lower limb exercise machine's shank fixed establishment includes: the shank support part is suitable for supporting the shank, the front end of the shank support part forms the front end of the shank fixing mechanism, and the front end is rotationally connected with the free end of the front swing arm; the sole fixing part is suitable for fixing soles, is rotationally arranged at the rear end of the shank fixing mechanism, forms the rear end of the shank fixing mechanism and is rotationally connected with the free end of the rear swing arm.
Further optimizing the technical scheme, the power device of the lower limb exercise machine is a telescopic device, one end of the telescopic device is connected with the machine body, and the other end of the telescopic device pushes the rear swing arm to swing in a reciprocating manner; the telescopic device is rotatably connected with a sensor for detecting the axial force of the telescopic device.
Further optimizing this technical scheme, low limbs motion machine still includes sitting and lying board, sitting and lying board connect in fuselage front end is suitable for patient's health with position of sitting or lying on back on the sitting and lying board.
Further optimizing this technical scheme, low limbs motion machine the fuselage front end is equipped with the horizontal pole, sit the service creeper rear end and be equipped with the hook portion, sit the service creeper pass through hook portion detachable articulates in the horizontal pole.
Compared with the traditional lower limb exercise machine, the utility model has the beneficial effects that:
1. the shank fixing mechanism, the shank supporting part, the sole fixing part, the clamping shaft, the notch, the sliding clamping groove and the connecting plate are matched, so that the shank fixing mechanism is convenient to detach and replace for use, and the shank fixing mechanism is more convenient to use;
2. the electric push rod, the rear swing arm, the front swing arm, the connecting rod and the machine body are matched, and move into arc motion, so that the legs of a patient are trained in a mode of approaching to normal motion, the training effect is improved, and the injury to the patient is avoided;
3. the front and rear positions of the shank fixing mechanism are conveniently adjusted and changed by matching the adjusting arm, the main arm, the auxiliary jack and the main jack so as to adapt to leg lengths of different patients and be convenient to adjust and adapt to use;
4. the setting of sensor detects when electric putter's pressure value is too big, prevents to force and drive patient's shank and remove, causes the injury to the patient, better protection patient uses.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of an exploded construction of the present utility model;
FIG. 3 is a schematic diagram showing the change of the comparative structure after changing the angle according to the present utility model;
FIG. 4 is a schematic view of the rear swing arm of the present utility model;
FIG. 5 is a graph comparing the angular changes of the adjusting arm and the main arm of the two views of the present utility model;
FIG. 6 is a schematic view of the telescopic device of the present utility model from two angles of view;
in the figure, 1, a fuselage; 2. a front swing arm; 3. a shank fixation mechanism; 4. a connecting plate; 5. a main arm; 6. an adjusting arm; 7. a main jack; 8. an auxiliary jack; 9. a connecting rod; 10. a slide clamping groove; 11. a notch; 12. the clamping shaft; 13. a shank support; 14. sole fixing part; 15. a telescoping device; 16. a sensor; 17. sitting and lying plate; 18. a hooking part; 19. a cross bar; 20. and a rear swing arm.
Detailed Description
The utility model will be described in further detail with reference to the drawings and the detailed description.
As shown in fig. 1 to 6, a lower limb exercise machine includes: the machine body 1 is provided with a power device; a front swing arm 2 rotatably connected to the front end of the body 1 and swinging in the front-rear direction; a rear swing arm 20 rotatably connected to the rear end of the body 1 to swing in the front-rear direction; the shank fixing mechanism 3 is rotationally connected with the free end of the front swing arm 2 at the front end and rotationally connected with the free end of the rear swing arm 20 at the rear end; the power device drives the rear swing arm 20 or the front swing arm 2 to swing reciprocally so that the lower-front-rear rotation while the lower-front-rear rotation is performed by the lower-front-rear rotation while the lower-rear rotation is performed by the lower-front-rear rotation; the front end of the shank fixing mechanism 3 is detachably and rotatably connected with the free end of the front swing arm 2; the rear end of the shank fixing mechanism 3 is detachably and rotatably connected with the free end of the rear swing arm 20; the free end of the rear swing arm 20 is provided with a rotatable connecting plate 4, and the connecting plate 4 is detachably attached and fixed with the rear end face of the shank fixing mechanism 3; the rear swing arm 20 includes: a main arm 5 rotatably connected to the rear end of the body 1 and swinging in the front-rear direction; an adjusting arm 6, which is rotatably connected to the free end of the main arm 5 and adjusts the angle along the front-rear direction, wherein the free end of the adjusting arm 6 forms the free end of the rear swing arm 20, and the free end of the adjusting arm 6 is rotatably connected with the rear end of the shank fixing mechanism 3; the adjusting arm 6 rotates back and forth to adjust the front and back positions of the shank fixing mechanism 3; the free end of the main arm 5 is provided with a plurality of main jacks 7, the adjusting arm 6 is provided with a plurality of auxiliary jacks 8, the adjusting arm 6 rotates relative to the main arm 5 to enable different main jacks 7 to be opposite to the auxiliary jacks 8, and the angle between the adjusting arm 6 and the main arm 5 is locked by inserting pins through the opposite main jacks 7 and the auxiliary jacks 8; a connecting rod 9 is arranged between the free end of the front swing arm 2 and the free end of the rear swing arm 20, a sliding clamping groove 10 along the front-rear direction is arranged at one end of the connecting rod 9, which is close to the front swing arm 2, and the sliding clamping groove 10 is provided with a notch 11; the front end of the shank fixing mechanism 3 is provided with a clamping shaft 12, the clamping shaft 12 can be clamped into or withdrawn from the sliding clamping groove 10 through the notch 11 and can slide back and forth along the sliding clamping groove 10, so that the front end of the shank fixing mechanism 3 is detachably and rotatably connected with the free end of the front swing arm 2, and the front and back positions of the shank fixing mechanism 3 are adjustable; the shank fixation mechanism 3 comprises: a shank support part 13 adapted to support a shank, the front end of which forms the front end of the shank fixing mechanism 3, the front end being rotatably connected with the free end of the front swing arm 2; a sole fixing part 14 adapted to fix a sole, rotatably provided at a rear end of the lower leg fixing mechanism 3, forming a rear end of the lower leg fixing mechanism 3 and rotatably connected to a free end of the rear swing arm 20; the power device is a telescopic device 15, one end of the telescopic device 15 is connected with the machine body 1, and the other end of the telescopic device pushes the rear swing arm 20 to swing reciprocally; the telescopic device 15 is rotatably connected with a sensor 16 for detecting the axial force of the telescopic device 15; the sitting and lying board 17 is connected to the front end of the machine body 1, and is suitable for the body of a patient to be positioned on the sitting and lying board 17 in a sitting or supine state; the front end of the machine body 1 is provided with a cross rod 19, the rear end of the sitting and lying plate 17 is provided with a hook part 18, and the sitting and lying plate 17 is detachably hung on the cross rod 19 through the hook part 18.
The telescopic device 15 is an electric push rod and is used for realizing the extension and shortening reciprocating motion; the adjusting arm 6 rotates back and forth to adjust the front and back positions of the shank fixing mechanism 3 so as to adapt to different leg lengths; the shank fixing mechanism 3 moves forwards and simultaneously rotates at a low front and a high rear, and moves backwards and simultaneously rotates at a high front and a low rear, so as to drive the knee joint of a patient to bend and stretch; the electric push rod is rotationally connected with the rear swing arm 20, the sensor 16 is used for measuring the axial force of the electric push rod, the sensor 16 is fixed on the machine body 1, and the other end of the electric push rod is rotationally connected with the sensor 16; the two views of the upper part and the two views of the lower part of fig. 3 differ in the angle of connection of the adjusting arm 6 and the main arm 5;
when the lower limb of a patient wears the lower leg fixing mechanism 3, a lower leg supporting part 13 in the lower leg fixing mechanism 3 is suitable for supporting lower legs, a sole fixing part 14 is suitable for fixing soles, then a clamping shaft 12 on the lower leg fixing mechanism 3 is clamped and installed in the sliding clamping groove 10 through a notch 11, and the clamping shaft 12 can drive the lower leg fixing mechanism 3 to slide in the sliding clamping groove 10, so that the front end of the lower leg fixing mechanism 3 is detachably and rotatably connected with the free end of the front swing arm 2, and the front and rear positions of the lower leg fixing mechanism 3 are adjustable; the connecting plate 4 is detachably attached to the rear end face of the shank fixing mechanism 3, the sole fixing part 14 at the rear end of the shank fixing mechanism 3 is fixedly connected with the connecting plate 4, connecting threaded holes are formed in the connecting plate 4 and the sole fixing part 14, the threaded holes are connected through threaded rods, and therefore the connecting plate 4 and the sole fixing part 14 are attached to one piece and can be detached;
after the calf is installed, an electric push rod is started, the electric push rod performs telescopic reciprocating movement, the electric push rod drives a rear swing arm 20 to perform reciprocating rotation at a certain angle, a four-bar linkage 9 mechanism consisting of a front swing arm 2, a rear swing arm 20, a connecting rod 9 and a machine body 1 is connected in a rotating mode, and the rear swing arm 20 drives the rear swing arm 20 and the connecting rod 9 to move and move in an arc motion when rotating, so that the legs of a patient are trained in a mode of approaching to normal motion, the training effect is improved, and injuries to the patient are avoided;
the adjusting arm 6 and the main arm 5 in the rear swing arm 20 are correspondingly provided with an auxiliary jack 8 and a main jack 7, and then the main jack 7 and the auxiliary jack 8 can be fixed through bolts, so that the angle between the adjusting arm 6 and the main arm 5 is locked, the specific structure is as shown in fig. 5, and the front and the back of the shank fixing mechanism 3 are changed to adapt to leg lengths of different patients;
the hanging parts 18 of the sitting and lying plate 17 are fixed on the cross rod 19 on the machine body 1, so that a patient can lie on the sitting and lying plate 17 or sit on the sitting and lying plate 17 during training as shown in fig. 1, and the effect of assisting in fixing the machine body 1 is achieved; one end of the machine body 1 is provided with a movable wheel, and after the sitting and lying plate 17 is removed, the cross rod 19 can be carried by hand and matched with the movable wheel, so that the storage and the transportation are convenient;
the lower leg fixing mechanism 3 can be detached and installed, when the lower leg fixing mechanism 3 is used, the lower leg fixing mechanism 3 can be taken down firstly, the lower leg of a patient is fixed, and then the lower leg fixing mechanism 3 is installed on the front swing arm 2 and the rear swing arm 20, so that the lower leg fixing mechanism is more convenient to use; the sole fixing part 14 of the shank fixing mechanism 3 is connected with the rear swing arm 20 in a free rotation way, and the sole fixing part 14 can move freely, so that the sole can move freely when a patient trains;
the sensor 16 is used for measuring the axial force of the electric putter, and when the pressure value of the sensor 16 also can be set, when the electric putter drives patient's shank to remove, when the pressure value of the sensor 16 is too big, the sensor 16 controls the electric putter to close, or the opposite direction of control sensor 16 removes and is not being giving patient's shank pressure, prevents to force to drive patient's shank to remove, causes the injury to the patient, and when detecting that the patient prevents that the pressure that removes is great, through the better protection patient of pressure sensor 16 use.
It is to be understood that the above-described embodiments of the present utility model are merely illustrative of or explanation of the principles of the present utility model and are in no way limiting of the utility model. Accordingly, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present utility model should be included in the scope of the present utility model. Furthermore, the appended claims are intended to cover all such changes and modifications that fall within the scope and boundary of the appended claims, or equivalents of such scope and boundary.
Claims (10)
1. A lower limb exercise machine, comprising:
a machine body (1) provided with a power device;
a front swing arm (2) rotatably connected to the front end of the body (1) and swinging in the front-rear direction; a rear swing arm (20) rotatably connected to the rear end of the body (1) and swinging in the front-rear direction; the shank fixing mechanism (3) is rotationally connected with the free end of the front swing arm (2) at the front end and rotationally connected with the free end of the rear swing arm (20) at the rear end;
the power device drives the rear swing arm (20) or the front swing arm (2) to swing reciprocally, so that the shank fixing mechanism (3) moves forward while rotating at a low front and a high rear, and moves backward while rotating at a low front and a low rear.
2. The lower limb exercise machine according to claim 1, wherein: the front end of the shank fixing mechanism (3) is detachably and rotatably connected with the free end of the front swing arm (2); the rear end of the shank fixing mechanism (3) is detachably and rotatably connected with the free end of the rear swing arm (20).
3. The lower limb exercise machine according to claim 1, wherein: the free end of the rear swing arm (20) is provided with a rotatable connecting plate (4), and the connecting plate (4) is detachably attached and fixed with the rear end face of the shank fixing mechanism (3).
4. The lower limb exercise machine according to claim 1, wherein: the rear swing arm (20) includes: a main arm (5) rotatably connected to the rear end of the main body (1) and swinging in the front-rear direction;
the adjusting arm (6) is connected with the free end of the main arm (5) in a lockable and rotatable manner and is used for adjusting an angle along the front-rear direction, the free end of the adjusting arm (6) forms the free end of the rear swing arm (20), and the free end of the adjusting arm (6) is connected with the rear end of the shank fixing mechanism (3) in a rotatable manner;
the adjusting arm (6) rotates back and forth to adjust the front and back positions of the shank fixing mechanism (3).
5. The lower limb exercise machine according to claim 4, wherein: the free end of main arm (5) is equipped with a plurality of main jacks (7), adjusting arm (6) are equipped with a plurality of vice jacks (8), adjusting arm (6) for main arm (5) rotate make the difference main jack (7) with vice jack (8) are relative, pass through the bolt relative main jack (7) with vice jack (8), locking adjusting arm (6) with the angle of main arm (5).
6. The lower limb exercise machine according to claim 1, wherein: a connecting rod (9) is arranged between the free end of the front swing arm (2) and the free end of the rear swing arm (20), a sliding clamping groove (10) along the front-rear direction is formed in one end, close to the front swing arm (2), of the connecting rod (9), and the sliding clamping groove (10) is provided with a notch (11);
the front end of shank fixed establishment (3) is equipped with joint axle (12), joint axle (12) can pass through breach (11) card is gone into or is withdrawed from smooth draw-in groove (10), and can follow smooth draw-in groove (10) back and forth slip, in order to realize the front end of shank fixed establishment (3) with the free end of preceding swing arm (2) can be dismantled and rotate and be connected, and make the front and back position of shank fixed establishment (3) is adjustable.
7. The lower limb exercise machine according to claim 1, wherein: the lower leg fixing mechanism (3) comprises:
a shank support part (13) which is suitable for supporting the shank, wherein the front end of the shank support part forms the front end of the shank fixing mechanism (3), and the front end is rotationally connected with the free end of the front swing arm (2);
the sole fixing part (14) is suitable for fixing soles, is rotationally arranged at the rear end of the shank fixing mechanism (3), forms the rear end of the shank fixing mechanism (3) and is rotationally connected with the free end of the rear swing arm (20).
8. The lower limb exercise machine according to claim 1, wherein: the power device is a telescopic device (15), one end of the telescopic device (15) is connected with the machine body (1), and the other end of the telescopic device pushes the rear swing arm (20) to swing in a reciprocating manner; the telescopic device (15) is rotatably connected with a sensor (16) for detecting the axial force of the telescopic device (15).
9. The lower limb exercise machine according to claim 1, wherein: the sitting and lying board (17) is connected to the front end of the machine body (1), and is suitable for a patient to sit on the sitting and lying board (17) in a sitting or supine state.
10. The lower limb exercise machine according to claim 9, wherein: the utility model is characterized in that a cross rod (19) is arranged at the front end of the machine body (1), a hooking part (18) is arranged at the rear end of the sitting and lying plate (17), and the sitting and lying plate (17) is detachably hooked to the cross rod (19) through the hooking part (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321208319.4U CN219896304U (en) | 2023-05-18 | 2023-05-18 | Lower limb exercise machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321208319.4U CN219896304U (en) | 2023-05-18 | 2023-05-18 | Lower limb exercise machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219896304U true CN219896304U (en) | 2023-10-27 |
Family
ID=88429458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321208319.4U Active CN219896304U (en) | 2023-05-18 | 2023-05-18 | Lower limb exercise machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219896304U (en) |
-
2023
- 2023-05-18 CN CN202321208319.4U patent/CN219896304U/en active Active
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