Foot movement device

By designing a foot movement device including a bed frame, an adjustable support assembly and a foot movement assembly, the two-way threaded rod and connecting rod are driven by a motor, the movement effect on the patient's legs and ankles is achieved, solving the problem of the inability of the existing technology to close and separate the legs and ankle movement, and it is efficient and cost-saving.

CN222566212UActive Publication Date: 2025-03-07THE SECOND AFFILIATED HOSPITAL ARMY MEDICAL UNIV
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Patent Information

Application Number
CN202421017602.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-11
Publication Date
2025-03-07
Estimated Expiration
2034-05-11

AI Technical Summary

Technical Problem

The prior art cannot achieve effective movement of the patient's legs and the ankles, limiting the rehabilitation training of the patient's legs and ankles.

Method used

A foot movement device is designed, including a bed frame, an adjustable support assembly and a foot movement assembly. The two-way threaded rod and the connecting rod are driven by the second and third motors, so that the front and back swings of the foot fixing plate and the relative movement of the leg support plate are realized, achieving the effect of driving the patient's legs to close or separate.

Benefits of technology

It realizes the effect of movement of the patient's ankles and legs, which not only saves costs, but also improves installation efficiency, adapts to the needs of different patients, and expands the scope of application of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a foot movement device, which belongs to the technical field of medical instruments and comprises a bed frame, the top end of the bed frame is connected with an adjustable support component for adapting to patients with different heights, and the adjustable support component is connected with a foot movement component for moving ankles of the patients and driving legs of the patients to move; the foot moving assembly comprises a leg supporting plate, a second sliding rail, a foot fixing plate, a second motor, a third motor, a bidirectional threaded rod, a connecting rod, a first bevel gear, a second bevel gear, a second connecting block and a third connecting block. According to the foot movement device, the movement effect on ankles and legs of a patient can be achieved only through one power device; in addition, simultaneous or independent movement of ankles or legs is achieved, and therefore the requirements of different patients are met; the device can adapt to patients with different heights by driving the first motor, and the application range of the device is widened.
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Description

Technical Field

[0001] The utility model relates to the technical field of medical equipment, in particular to a foot exercise device. Background Art

[0002] Currently, patients who have been bedridden for a long time cannot move their legs and ankles, which is not conducive to their recovery.

[0003] For example, Chinese patent CN219207929U proposes a lower limb rehabilitation training device, including a left lower limb, a right lower limb and a control center, both lower limbs include a bracket, a calf support plate, and a foot support plate, the calf support plate is installed on the bracket through a first electric shaft, the foot support plate is connected to the lower end of the calf support plate through a second electric shaft, the calf support plate is provided with a first fixing belt and a second fixing belt, the foot support plate is provided with a third fixing belt, the first electric shaft and the second electric shaft are controlled by the control center. Calf lifting, foot flexion and extension, and calf muscle pressing can be performed automatically or under control.

[0004] However, the above patent cannot realize driving the patient's legs to close and separate. In addition, the above patent cannot realize the movement of the patient's ankles.

[0005] Based on this, the utility model designs a foot exercise device to solve the above problems. Utility Model Content

[0006] In view of the above-mentioned shortcomings of the prior art, the utility model provides a foot exercise device.

[0007] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0008] A foot exercise device includes a bed frame;

[0009] The top of the bed frame is connected with an adjustable support assembly for accommodating patients of different heights;

[0010] The adjustable support assembly is connected to a foot moving assembly for moving the patient's ankle and driving the patient's leg to move;

[0011] The foot movable assembly includes a leg support plate, a second slide rail, a foot fixing plate, a second motor, a third motor, a bidirectional threaded rod, a connecting rod, a first bevel gear, a second bevel gear, a second connecting block and a third connecting block. The adjustable support assembly is fixedly connected to a second slide rail corresponding to the front and rear. The second slide rail is slidably connected to two front and rear symmetrical leg support plates. The left ends of the two leg support plates are rotatably connected to the foot fixing plate. The adjustable support assembly is rotatably connected to a bidirectional threaded rod and a connecting rod on the left side of the foot fixing plate. Two spacers are threadedly connected to the bidirectional threaded rod. The second connecting block, the right ends of the two second bevel gears respectively rotate and pass through the two second connecting blocks and are respectively fixedly connected to the left side surfaces of the foot fixing plate, the second motor and the third motor are fixedly connected to the adjustable support assembly, the output end of the second motor is fixedly connected to one end of the bidirectional threaded rod, the output end of the third motor is fixedly connected to one end of the connecting rod, the connecting rod is fixedly connected to two spaced first bevel gears, and the connecting rod is limitedly slidably connected to the two first bevel gears, the first bevel gear is respectively meshed and connected to the corresponding second bevel gears, and the connecting rod is connected to two spaced third connecting blocks.

[0012] Furthermore, the left end of the third connecting block is limitedly slidably connected to the connecting rod, and the right end of the third connecting block is threadedly connected to the bidirectional threaded rod.

[0013] Furthermore, the outer side of the first bevel gear is in contact and connected with the inner side of the third connecting block.

[0014] Furthermore, the two foot fixing plates are fixedly connected with straps for fixing the patient's feet.

[0015] Furthermore, the adjustable support assembly includes a first slide rail, a support plate, a first motor, a threaded rod and a first connecting block. Two front-to-rear symmetrical first slide rails are fixedly connected to the bed frame. The bottom of the support plate is arranged on the two first slide rails and is limitedly slidably connected. The left end of the support plate is fixedly connected to the first connecting block. The bed frame is fixedly connected to the first motor. The output end of the first motor is fixedly connected to the threaded rod, the threaded rod passes through the first connecting block and is threadedly connected to the first connecting block. Both left and right ends of the threaded rod are rotatably connected to the bed frame.

[0016] Furthermore, the front and rear ends of the bidirectional threaded rod are respectively rotatably connected to the inner wall of the support plate.

[0017] Furthermore, the front and rear ends of the connecting rod are rotatably connected to the inner wall of the supporting plate respectively.

[0018] Furthermore, the second motor is fixedly connected to the support plate.

[0019] Furthermore, the third motor is fixedly connected to the support plate.

[0020] Furthermore, the second slide rail is fixedly connected to the support plate.

[0021] The utility model has the following technical effects:

[0022] 1. The utility model starts the third motor to drive the connecting rod to rotate, and the connecting rod drives the top of the foot fixing plate to swing back and forth through the transmission of the first bevel gear and the second bevel gear, thereby driving the patient's foot to swing, thereby achieving the effect of moving the patient's ankle; the second motor is started to drive the bidirectional threaded rod to rotate, and the bidirectional threaded rod drives the foot fixing plate to drive the leg support plate to move closer or farther from each other under the limiting guide action of the second slide rail through the transmission of the second connecting block and the second bevel gear, thereby achieving the effect of driving the patient's legs to close or separate; the activity effect of the patient's ankle and legs can be achieved only through a set of power devices, the second motor and the third motor, which not only saves costs, but also improves installation efficiency, and has high practical value; in addition, starting the second motor and the third motor at the same time can achieve simultaneous activities of the ankles and legs, and driving the second motor or the third motor alone can achieve separate activities of the ankles or legs, thereby adapting to the needs of different patients, expanding the scope of application, and achieving diversity of product functions.

[0023] 2. The utility model starts the first motor, and the output end of the first motor drives the threaded rod to rotate. The threaded rod drives the support plate to move left and right under the limiting guide action of the first slide rail through the first connecting block. The support plate drives the leg support plate and the foot fixing plate to move left and right through the second slide rail. When the support plate reaches the appropriate position, the first motor stops running. At this time, the patient's legs are placed on the leg support plate, and the patient's feet are fixed on the foot fixing plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0025] Figure 1 A three-dimensional foot exercise device of the utility model Figure 1 ;

[0026] Figure 2 It is a front view of a foot exercise device of the utility model;

[0027] Figure 3 A three-dimensional foot exercise device of the utility model Figure 2 ;

[0028] Figure 4 A three-dimensional foot exercise device of the utility model Figure 3 ;

[0029] Figure 5 for Figure 4 Enlarged view of point A in the middle.

[0030] The numbers in the figure represent:

[0031] 1. Bed frame; 2. Adjustable support assembly; 201. First slide rail; 202. Support plate; 203. First motor; 204. Threaded rod; 205. First connecting block; 3. Foot movable assembly; 301. Leg support plate; 302. Second slide rail; 303. Foot fixing plate; 304. Second motor; 305. Third motor; 306. Bidirectional threaded rod; 307. Connecting rod; 308. First bevel gear; 309. Second bevel gear; 310. Second connecting block; 311. Third connecting block. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] The utility model is further described below in conjunction with embodiments.

[0034] The terms “left”, “right”, “front”, “back”, “up” and “down” mentioned in the following description are oriented in the viewing direction of the front view.

[0035] Example 1

[0036] Please refer to the instruction manual Figure 1-5 A foot exercise device includes a bed frame 1, the top of the bed frame 1 is connected to an adjustable support component 2 for accommodating patients of different heights, and the adjustable support component 2 is connected to a foot movement component 3 for moving the patient's ankles and driving the patient's legs to move.

[0037] The foot movable component 3 includes a leg support plate 301, a second slide rail 302, a foot fixing plate 303, a second motor 304, a third motor 305, a bidirectional threaded rod 306, a connecting rod 307, a first bevel gear 308, a second bevel gear 309, a second connecting block 310 and a third connecting block 311. The second slide rail 302 is fixedly connected to the adjustable support component 2. The second slide rail 302 is slidably connected to two front and rear symmetrical leg support plates 301 at the upper limit position. The left ends of the two leg support plates 301 are both rotatably connected to the foot fixing plate 303. The bidirectional threaded rod 306 and the connecting rod 307 are rotatably connected on the adjustable support component 2 and located on the left side of the foot fixing plate 303. The bidirectional threaded rod 306 is threadedly connected to two spaced third Two connecting blocks 310, the right ends of the two second bevel gears 309 are respectively rotated through the two second connecting blocks 310 and are respectively fixedly connected to the left side of the foot fixing plate 303, the second motor 304 and the third motor 305 are fixedly connected to the adjustable support assembly 2, the output end of the second motor 304 is fixedly connected to one end of the bidirectional threaded rod 306, the output end of the third motor 305 is fixedly connected to one end of the connecting rod 307, the connecting rod 307 is fixedly connected to two spaced first bevel gears 308, and the connecting rod 307 and the two first bevel gears 308 are both limited sliding connections, the first bevel gear 308 is respectively meshed and connected with the corresponding second bevel gear 309, and the connecting rod 307 is connected to two spaced third connecting blocks 311.

[0038] Preferably, the left end of the third connection block 311 is slidably connected to the connection rod 307, and the right end of the third connection block 311 is threadedly connected to the bidirectional threaded rod 306. The first bevel gear 308 can both rotate with the connection rod 307 and slide on the connection rod 307.

[0039] Preferably, the outer side of the first bevel gear 308 is in contact with and connected to the inner side of the third connecting block 311 , and straps for fixing the patient's feet are fixedly connected to both foot fixing plates 303 .

[0040] When in use, the patient's legs are placed on the leg support plate 301, and the third motor 305 is started. The output end of the third motor 305 drives the connecting rod 307 to rotate, and the connecting rod 307 drives the first bevel gear 308 to rotate. The first bevel gear 308 engages to drive the second bevel gear 309 to rotate. The rotation of the second bevel gear 309 drives the top of the foot fixing plate 303 to swing back and forth, and the patient's foot is fixed to the foot fixing plate 303 by a strap. When the top of the foot fixing plate 303 swings back and forth, it drives the patient's foot to swing back and forth, thereby having an activity effect on the patient's ankle.

[0041] When it is necessary to adjust the spacing between the two groups of leg support plates 301 to drive the patient's legs to close or separate, the second motor 304 is started, and the second motor 304 drives the bidirectional threaded rod 306 to rotate, and the bidirectional threaded rod 306 drives the two second bevel gears 309 to move in the direction of approaching or moving away from each other through the second connecting block 310, so that the two second bevel gears 309 drive the two third connecting blocks 311 to move in the direction of approaching or moving away from each other, so that the two second bevel gears 309 drive the two leg support plates 301 to approach or move away from each other under the limiting guide action of the second slide rail 302 through the foot fixing plate 303, thereby achieving the effect of driving the patient's legs to close or separate; and the two second bevel gears 309 mesh and drive the two first bevel gears 308 to approach or move away from each other under the limiting guide action of the connecting rod 307, and the third connecting block 311 and the second bevel gear 309 respectively limit the two ends of the first bevel gear 308, thereby preventing the first bevel gear 308 from slipping.

[0042] Only through a set of power devices, the second motor 304 and the third motor 305, the patient's ankles and legs can be moved, which not only saves costs but also improves installation efficiency and has high practical value; in addition, starting the second motor 304 and the third motor 305 at the same time can achieve simultaneous movement of the ankles and legs, and driving the second motor 304 or the third motor 305 separately can achieve separate movement of the ankles or legs, thereby adapting to the needs of different patients, expanding the scope of application, and realizing the diversity of product functions.

[0043] Example 2

[0044] like Figure 1-5 As shown, as a preferred embodiment of the utility model, the adjustable support assembly 2 includes a first slide rail 201, a support plate 202, a first motor 203, a threaded rod 204 and a first connecting block 205. Two front-to-rear symmetrical first slide rails 201 are fixedly connected to the bed frame 1. The bottom of the support plate 202 is arranged on the two first slide rails 201 and is limitedly slidably connected. The left end of the support plate 202 is fixedly connected to the first connecting block 205. The bed frame 1 is fixedly connected to the first motor 203. The output end of the first motor 203 is fixedly connected to the threaded rod 204. The threaded rod 204 passes through the first connecting block 205 and is threadedly connected to the first connecting block 205. The left and right ends of the threaded rod 204 are rotatably connected to the bed frame 1.

[0045] Preferably, the front and rear ends of the bidirectional threaded rod 306 are respectively rotatably connected to the inner wall of the support plate 202, the front and rear ends of the connecting rod 307 are respectively rotatably connected to the inner wall of the support plate 202, the second motor 304 and the third motor 305 are both fixedly connected to the support plate 202, and the second slide rail 302 is fixedly connected to the support plate 202.

[0046] When in use, the first motor 203 is started, and the output end of the first motor 203 drives the threaded rod 204 to rotate, and the threaded rod 204 drives the support plate 202 to move left and right under the limiting guide action of the first slide rail 201 through the first connecting block 205, and the support plate 202 drives the leg support plate 301 and the foot fixing plate 303 to move left and right through the second slide rail 302; when the support plate 202 reaches the appropriate position, the first motor 203 stops running, and the patient's legs are placed on the leg support plate 301, and the patient's feet are fixed on the foot fixing plate 303, and the second motor 304 and the third motor 305 are started to realize the movement of the ankles or legs, so as to adapt to patients of different heights and expand the scope of application of the device.

[0047] Example 3

[0048] like Figure 1-5 As shown, as a preferred embodiment of the present invention, the upper layer of the leg support plate 301 is made of breathable material.

[0049] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A foot exercise device, comprising a bed frame (1), characterized in that: The top end of the bed frame (1) is connected to an adjustable support assembly (2) for accommodating patients of different heights; The adjustable support component (2) is connected to a foot movement component (3) for moving the patient's ankle and driving the patient's leg to move; The foot movable assembly (3) comprises a leg support plate (301), a second slide rail (302), a foot fixing plate (303), a second motor (304), a third motor (305), a bidirectional threaded rod (306), a connecting rod (307), a first bevel gear (308), a second bevel gear (309), a second connecting block (310) and a third connecting block (311); the adjustable support assembly (2) is fixedly connected with a second slide rail (302) corresponding to the front and rear; the second slide rail (302) is slidably connected to two front and rear symmetrical leg support plates (301) in an upper limit position; the left ends of the two leg support plates (301) are both rotatably connected with the foot fixing plate (303); the bidirectional threaded rod (306) and the connecting rod (307) are rotatably connected on the left side of the foot fixing plate (303); the bidirectional threaded rod (306) is screwed on the bidirectional threaded rod (306) and the connecting rod (307 ...10) is screwed on the bidirectional threaded rod (306) and the connecting rod (311) is screwed on the bidirectional threaded rod (306) and the connecting rod (311) is screwed on the bidirectional threaded rod (306) The adjustable support assembly (2) is connected with two spaced second connection blocks (310) by means of a threaded rod (306), and the right ends of the two second bevel gears (309) are respectively rotated to pass through the two second connection blocks (310) and are respectively fixedly connected to the left side surface of the foot fixing plate (303). The second motor (304) and the third motor (305) are fixedly connected to the adjustable support assembly (2), and the output end of the second motor (304) is fixedly connected to one end of the bidirectional threaded rod (306), and the output end of the third motor (305) is fixedly connected to one end of a connecting rod (307), and the connecting rod (307) is fixedly connected with two spaced first bevel gears (308), and the connecting rod (307) and the two first bevel gears (308) are both limited slidingly connected, and the first bevel gear (308) is respectively meshed and connected with the corresponding second bevel gear (309), and the connecting rod (307) is connected with two spaced third connection blocks (311).

2. The foot exercise device according to claim 1, characterized in that: The left end of the third connection block (311) is limitedly slidably connected to the connection rod (307), and the right end of the third connection block (311) is threadedly connected to the bidirectional threaded rod (306).

3. The foot exercise device according to claim 2, characterized in that: The outer side of the first bevel gear (308) is in contact with and connected to the inner side of the third connecting block (311).

4. The foot exercise device according to claim 3, characterized in that: The two foot fixing plates (303) are both fixedly connected with straps for fixing the patient's feet.

5. The foot exercise device according to claim 1, characterized in that: The adjustable support assembly (2) comprises a first slide rail (201), a support plate (202), a first motor (203), a threaded rod (204) and a first connecting block (205); two first slide rails (201) are fixedly connected to the bed frame (1) in a front-to-rear symmetrical manner; the bottom of the support plate (202) is arranged on the two first slide rails (201) and is connected in a limited sliding manner; the left end of the support plate (202) is fixedly connected to the first connecting block (205); the bed frame (1) is fixedly connected to the first motor (203); the output end of the first motor (203) is fixedly connected to the threaded rod (204); the threaded rod (204) passes through the first connecting block (205) and is threadedly connected to the first connecting block (205); and the left and right ends of the threaded rod (204) are both rotatably connected to the bed frame (1).

6. The foot exercise device according to claim 5, characterized in that: The front and rear ends of the bidirectional threaded rod (306) are respectively rotatably connected to the inner wall of the support plate (202).

7. The foot exercise device according to claim 5, characterized in that: The front and rear ends of the connecting rod (307) are rotatably connected to the inner wall of the supporting plate (202) respectively.

8. The foot exercise device according to claim 5, characterized in that: The second motor (304) is fixedly connected to the support plate (202).

9. The foot exercise device according to claim 5, characterized in that: The third motor (305) is fixedly connected to the support plate (202).

10. The foot exercise device according to claim 9, characterized in that: The second slide rail (302) is fixedly connected to the support plate (202).

Citation Information

Patent Citations

  • Lower limb rehabilitation training device

    CN219207929U