CN219878597U

CN219878597U - Intelligent portable knee joint auxiliary rehabilitation machine

Info

Publication number: CN219878597U
Application number: CN202321339753.6U
Authority: CN
Inventors: 花睿宇; 孙楠
Original assignee: China University of Geosciences Beijing
Current assignee: China University of Geosciences Beijing
Priority date: 2023-05-30
Filing date: 2023-05-30
Publication date: 2023-10-24
Anticipated expiration: 2033-05-30

Abstract

The utility model discloses an intelligent portable knee joint auxiliary rehabilitation machine which comprises a base, wherein two groups of sliding grooves are symmetrically formed in the top end of the base, electric sliding blocks are arranged in the two groups of sliding grooves, a placement box is fixedly connected to one side of the top end of the base, a miniature air pump is arranged in the placement box, an inflation tube is arranged on the miniature air pump, a thigh supporting component is fixedly connected to the top end of the placement box, an adjusting component is fixedly connected between the top ends of the two electric sliding blocks, and a driving component is fixedly connected to the top end of the adjusting component. Compared with the prior art, the intelligent portable knee joint auxiliary rehabilitation machine is small and simple in structure and convenient to use, can control the movement frequency of the knee joint during rehabilitation exercise according to the injury degree of patients, can perform rehabilitation exercise on patients with injury of the knee joints of both legs at the same time, and can also be suitable for patients with leg lengths of different heights to perform rehabilitation exercise.

Description

Intelligent portable knee joint auxiliary rehabilitation machine

Technical Field

The utility model relates to the technical field of medical appliances, in particular to an intelligent portable knee joint auxiliary rehabilitation machine.

Background

Knee joint injury is a contact or non-contact injury commonly found in sports, in addition to treatment, knee joint stiffness is a very common phenomenon in rehabilitation treatment of patients after knee joint surgery, and joint movement disorder is easy to occur for the patients, wherein postoperative exercise and rehabilitation effect have a great relationship, and the patients need to continuously do rehabilitation exercise to accelerate knee joint rehabilitation. Rehabilitation devices are devices that help patients develop active and passive exercises and daily activities to promote rehabilitation; after the operation of the knee joint, if a patient adheres to the knee joint rehabilitation instrument for a period of time according to a certain frequency, the speed of the knee joint postoperative rehabilitation can be effectively increased.

Chinese patent publication No. CN216124761U discloses a medical intelligent knee joint function rehabilitation exercise assisting instrument, comprising: a base, a vertical movement assembly and a pressing plate; wherein the vertical movement assembly comprises: the device comprises a positive and negative motor, a first bearing, a second bearing, a first bearing seat, a second bearing seat, a support frame and a support rod; the medical intelligent knee joint function rehabilitation exercise assisting instrument can adjust the height, the angle and the force of the pressing plate through the controller, and assist a patient with knee joint injury to perform rehabilitation exercise.

However, the rehabilitation exercise assisting instrument cannot adjust proper rehabilitation exercise according to the severity of the knee joint injury of the patient, if the knee joint injury of the patient is serious, the movement frequency of the knee joint of the patient should be properly reduced when the rehabilitation exercise is carried out, otherwise, pain is brought to the patient, the illness state of the patient is even aggravated, and if the knee joint injury of the patient is light, the movement frequency of the knee joint of the patient should be properly increased, so that the speed of the knee joint postoperative rehabilitation can be effectively accelerated; the rehabilitation exercise auxiliary instrument can only be used for rehabilitation exercise of single-leg knee joints, if a patient needs rehabilitation exercise of both legs, two instruments are required to be prepared to complete rehabilitation work, and the rehabilitation exercise auxiliary instrument is complex, and can not be suitable for patients of different sizes. Therefore, we propose an intelligent portable knee joint auxiliary rehabilitation machine.

Disclosure of Invention

The utility model mainly aims to provide an intelligent portable knee joint auxiliary rehabilitation machine which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides an intelligent portable knee joint assists recovered machine, includes the base, two sets of sliding tray have been seted up to base top symmetry, two sets of the inside electronic slider that all is provided with of sliding tray, base top one side fixedly connected with places the box, place the inside miniature air pump that is provided with of box, be provided with the gas tube on the miniature air pump, place box top fixedly connected with thigh bearing subassembly, two fixedly connected with adjusting part between the electronic slider top, adjusting part top fixedly connected with actuating assembly.

As a further description of the above technical solution, the sliding groove is slidably connected with the electric slider, and the placement box is a box-shaped structure with an open bottom.

As a further description of the above technical solution, the thigh support assembly comprises two electric telescopic devices, the output ends of the two electric telescopic devices are fixedly connected with support plates, sponge pads are arranged on the top ends of the support plates, connecting sleeves are fixedly connected to two sides of each support plate, and a first elastic belt is arranged between the two connecting sleeves.

As further description of the technical scheme, the adjusting assembly comprises a bottom plate and an adjusting plate, the top end of the bottom plate is rotationally connected with the bottom end of the adjusting plate through a rotating shaft, an air bag is arranged between one side, far away from the rotating shaft, of the bottom plate top end and the bottom end of the adjusting plate, and a second elastic belt is fixedly connected between the side face of the bottom plate and the side face of the adjusting plate.

As a further description of the above technical solution, the bottom plate is fixedly connected between the top ends of the two electric sliding blocks, one side of the air bag is connected with the inflation tube, and the second elastic belt is distributed in an area close to the air bag.

As the further description of above-mentioned technical scheme, drive assembly is including placing the case, place the case both sides and all offered the through-hole, place the inside fixedly connected with frequency conversion dual output motor of case, the equal fixedly connected with connecting axle of two output of frequency conversion dual output motor, two equal fixedly connected with connecting piece on the connecting axle, two connecting piece one side is all rotated and is connected with the pedal, all be provided with the third elastic webbing on the pedal.

As a further description of the above technical solution, the placement box is fixedly connected to the top end of the adjusting plate, and the connecting shaft is matched with the through hole and is fixedly connected with the connecting piece through the through hole.

As a further description of the above technical solution, an intelligent portable knee joint auxiliary rehabilitation machine further comprises a control mechanism, wherein the control mechanism comprises a controller and a remote controller for operating personnel.

As a further description of the above technical solution, the controller is disposed at one side of the interior of the placement box, and the controller is in signal connection with the remote controller.

Compared with the prior art, the utility model has the following beneficial effects:

1. through setting up drive assembly and control mechanism and cooperate, can control the activity frequency of knee joint when taking exercise according to patient's sick degree, if patient knee joint damage is more serious, reduce patient knee joint's activity frequency through the frequency conversion dual output motor reduction rotational speed in the control mechanism control drive assembly when taking exercise, if patient knee joint damage is lighter, increase patient knee joint's activity frequency through the frequency conversion dual output motor increase rotational speed in the control mechanism control drive assembly when taking exercise, just so can make effectively accelerate the speed of knee joint postoperative rehabilitation.

2. Through setting up drive assembly, thigh bearing subassembly and control mechanism matched with, can carry out rehabilitation training to the patient of single leg knee joint damage, also can carry out rehabilitation training to the patient of both legs knee joint damage simultaneously.

3. Through setting up base, sliding tray, electronic slider, miniature air pump, gas tube, thigh bearing subassembly, drive assembly and control mechanism matched with, can adapt to the patient of different heights leg length and carry out rehabilitation exercise. Namely, according to the height and leg length of a patient, the electric sliding block can be controlled to move in the sliding groove through the control system, so that the distance from the driving assembly to the thigh supporting group assembly is changed, the leg of the patient is long, the driving assembly and the adjusting assembly are controlled to be far away from the thigh supporting group assembly, when the leg of the patient is shortened, the driving assembly and the adjusting assembly are controlled to be close to the thigh supporting group assembly, and the electric telescopic device can be controlled to extend or shorten through the control mechanism, so that the distance from the supporting plate for supporting the thigh to the ground is changed to adapt to patients with different leg lengths.

4. Through setting up adjusting part and control mechanism and cooperate, can make the angle of shank and level ground when carrying out rehabilitation training for knee joint can carry out multi-angle rehabilitation training, is favorable to knee joint's recovery effect. The miniature air pump is controlled by the control mechanism to convey air to the air charging pipe, the air is conveyed to the air bag through the air charging pipe, and the air bag expands more and more along with the increase of the air, so that the adjusting plate rotates under the action of the rotating shaft, and the specific angle between the driving assembly on the adjusting plate and the horizontal plane is changed.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an intelligent portable knee joint rehabilitation assisting machine according to the present utility model;

FIG. 2 is a partial cross-sectional view of an intelligent portable knee joint rehabilitation aid machine according to the present utility model;

FIG. 3 is a schematic view of a thigh support assembly of an intelligent portable knee rehabilitation aid according to the present utility model;

FIG. 4 is a schematic view of the structure of an adjusting assembly of an intelligent portable knee joint rehabilitation assistance machine according to the present utility model;

fig. 5 is a partial structural cross-sectional view of a drive assembly of an intelligent portable knee joint rehabilitation assisting machine according to the present utility model.

In the figure: 1. a base; 2. a sliding groove; 3. an electric slide block; 4. placing a box; 5. a micro air pump; 6. an inflation tube; 7. thigh support assembly; 8. an adjustment assembly; 9. a drive assembly; 10. a controller; 71. an electric telescopic device; 72. a bearing plate; 73. a sponge cushion; 74. connecting sleeves; 75. a first elastic belt; 81. a bottom plate; 82. an adjusting plate; 83. a rotating shaft; 84. an air bag; 85. a second elastic belt; 91. placing a box; 92. a through hole; 93. a variable frequency dual-output motor; 94. a connecting shaft; 95. a connecting piece; 96. foot pedal; 97. and a third elastic band.

Detailed Description

In order to make the technical means, the creation characteristics and the effect of achieving the object of the present utility model easy to understand, the present utility model is further described below with reference to the specific embodiments.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides an intelligent portable knee joint assists recovered machine, including base 1 and control mechanism, two sets of sliding tray 2 have been seted up to base 1 top symmetry, two sets of sliding tray 2 are inside all to be provided with electronic slider 3, and electronic slider 3 and sliding tray 2 sliding connection, base 1 top one side fixedly connected with places box 4, place box 4 and be bottom open-ended box-type structure, place box 4 inside be provided with miniature air pump 5, miniature air pump 5 fixed connection is on base 1 top, be provided with gas tube 6 on the miniature air pump 5, gas tube 6 is rubber bellows, place box 4 top fixedly connected with thigh bearing subassembly 7, thigh bearing subassembly 7 includes two electronic telescoping device 71, two electronic telescoping device 71 symmetrical fixed connection are placing box 4 outside top, and the output is vertical up, the output of two electronic telescoping device 71 is all fixedly connected with support board 72, support board 72 is the top surface and is curved platelike structure, support board 72 top all is provided with foam-rubber cushion 73, all fixedly connected with adapter sleeve 74 in every support board 72 both sides, and all be provided with first elastic webbing 75 between two adapter sleeves 74.

Fixedly connected with adjusting part 8 between two electric sliding blocks 3 tops, adjusting part 8 includes bottom plate 81 and regulating plate 82, bottom plate 81 fixed connection is between two electric sliding blocks 3 tops, through being equipped with axis of rotation 83 rotation between bottom plate 81 top and the regulating plate 82 bottom, be provided with gasbag 84 between one side that axis of rotation 83 was kept away from to bottom plate 81 top and regulating plate 82 bottom, gasbag 84 is connected with by the gas tube 6 that stretches out in placing box 4, and have the gassing head on the gasbag 84, gasbag 84 and bottom plate 81, the equal fixed connection of regulating plate, fixedly connected with second elastic webbing 85 between bottom plate 81 side and the regulating plate 82 side, second elastic webbing 85 distributes in the region that is close to gasbag 84.

Adjusting part 8 top fixedly connected with actuating assembly 9, actuating assembly 9 is including placing case 91, place case 91 and be hollow box structure, place case 91 fixed connection and put on adjusting plate 82 top, place case 91 both sides and all offered through-hole 92, place the inside fixedly connected with variable frequency dual output motor 93 of case 91, the equal fixedly connected with connecting axle 94 of two output of variable frequency dual output motor 93, connecting axle 94 and through-hole 92 assorted, and pass through-hole 92 and connecting piece 95 fixed connection, two connecting piece 95 one side all rotate and be connected with pedal 96, all be provided with third elastic belt 97 on pedal 96.

The control mechanism comprises a controller 10 and a remote controller for operating personnel, wherein the controller 10 is arranged on one side of the inside of the placement box 4 and is in signal connection with the remote controller.

It should be noted that, the present utility model is an intelligent portable knee joint rehabilitation assisting machine, when a patient needs to perform knee joint rehabilitation training, the rehabilitation machine is firstly placed at a designated position, the patient sits on a chair, then a remote controller is used to send a command to the controller 10 to extend two electric telescopic devices 71 until the supporting plate 72 supports the thigh where the injured knee joint of the patient is located, then a first elastic belt 75 is used to bind, then a remote controller is used to send a command to the controller 10 to enable two electric sliding blocks 3 to slide in the sliding groove 2, so as to drive the adjusting component 8 and the driving component 9 to synchronously move until feet of the patient can step on the pedals 96 on the driving component 9, then a third elastic belt 97 is used to bind the feet, finally a remote controller is used to send a command to the controller 10 to enable the variable frequency dual-output motor 93 to operate, the two output ends drive the connecting shaft 94 to rotate so as to drive the connecting piece 95 to rotate, and as the feet of the patient step on the pedals 96, the legs of the patient can be driven to do up-down 180-degree semi-ring movement, so that the knee joint can be subjected to rehabilitation exercise, the rotating speed of the variable-frequency double-output motor 93 can be controlled by the remote controller according to the actual condition of the damaged knee joint of the patient or the rehabilitation condition in the exercise process, the moving frequency of the legs can be changed so as to adapt to the actual condition, the micro air pump 5 can be controlled by the remote controller to start, the micro air pump 5 transmits air to the air charging pipe 6, the air is transmitted into the air bag 84 through the air charging pipe 6, the volume of the air bag 84 is larger and larger along with the increase of the air, the adjusting plate 82 rotates under the action of the rotating shaft 83, the specific angle of the driving component 9 and the horizontal plane on the adjusting plate 82 is changed, so that the knee joint can perform multi-angle rehabilitation training. Compared with the existing intelligent portable knee joint auxiliary rehabilitation machine, the intelligent portable knee joint auxiliary rehabilitation machine has the advantages that the structure is small and exquisite and simple, the use is convenient, the movement frequency of the knee joint during rehabilitation exercise can be controlled according to the injury degree of a patient, the rehabilitation exercise can be carried out on the patient with damaged knee joints of two legs, the rehabilitation exercise can be carried out on the patient with different heights and leg lengths, and the rehabilitation effect is greatly improved.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an intelligent portable knee joint assists recovered machine, includes base (1), its characterized in that, two sets of sliding tray (2) have been seted up to base (1) top symmetry, two sets of sliding tray (2) are inside all to be provided with electronic slider (3), box (4) are placed to base (1) top one side fixedly connected with, place inside miniature air pump (5) that are provided with of box (4), be provided with gas tube (6) on miniature air pump (5), place box (4) top fixedly connected with thigh bearing subassembly (7), two fixedly connected with adjusting part (8) between electronic slider (3) top, adjusting part (8) top fixedly connected with actuating assembly (9).

2. The intelligent portable knee joint auxiliary rehabilitation machine according to claim 1, wherein the sliding groove (2) is in sliding connection with the electric sliding block (3), and the placement box (4) is of a box-shaped structure with an opening at the bottom end.

3. An intelligent portable knee joint rehabilitation aid according to claim 1, characterised in that the thigh support assembly (7) comprises two electric telescopic devices (71), the output ends of the two electric telescopic devices (71) are fixedly connected with support plates (72), the top ends of the support plates (72) are provided with foam-rubber mats (73), the two sides of each support plate (72) are fixedly connected with connecting sleeves (74), and a first elastic belt (75) is arranged between the two connecting sleeves (74).

4. The intelligent portable knee joint auxiliary rehabilitation machine according to claim 1, wherein the adjusting component (8) comprises a bottom plate (81) and an adjusting plate (82), the top end of the bottom plate (81) is rotatably connected with the bottom end of the adjusting plate (82) through a rotating shaft (83), an air bag (84) is arranged between the top end of the bottom plate (81) and one side, far away from the rotating shaft (83), of the bottom end of the adjusting plate (82), and a second elastic belt (85) is fixedly connected between the side face of the bottom plate (81) and the side face of the adjusting plate (82).

5. The intelligent portable knee joint auxiliary rehabilitation machine according to claim 4, wherein the bottom plate (81) is fixedly connected between the top ends of the two electric sliding blocks (3), one side of the air bag (84) is connected with the air charging tube (6), and the second elastic belt (85) is distributed in a region close to the air bag (84).

6. The intelligent portable knee joint auxiliary rehabilitation machine according to claim 4, wherein the driving assembly (9) comprises a placement box (91), through holes (92) are formed in two sides of the placement box (91), a variable-frequency double-output motor (93) is fixedly connected to the placement box (91), connecting shafts (94) are fixedly connected to two output ends of the variable-frequency double-output motor (93), connecting pieces (95) are fixedly connected to the connecting shafts (94), pedals (96) are rotatably connected to one sides of the connecting pieces (95), and third elastic belts (97) are arranged on the pedals (96).

7. The intelligent portable knee joint auxiliary rehabilitation machine according to claim 6, wherein the placement box (91) is fixedly connected to the top end of the adjusting plate (82), the connecting shaft (94) is matched with the through hole (92), and the connecting shaft is fixedly connected with the connecting piece (95) through the through hole (92).

8. An intelligent portable knee joint rehabilitation aid according to any of claims 1-6, further comprising a control mechanism comprising a controller (10) and a remote control for use by a human operator.

9. The intelligent portable knee joint auxiliary rehabilitation machine according to claim 8, wherein the controller (10) is arranged on one side inside the placement box (4), and the controller (10) is in signal connection with a remote controller.