CN115944468A - Knee fixing device and walking-assisting robot - Google Patents

Abstract

The invention discloses a knee fixing device and a walking aid robot, which belong to the technical field of rehabilitation training equipment. Seat cushion, described seat cushion comprises the support surface and seat frame that are arranged in parallel relatively; Leg support, described leg support comprises two installation rods, and described installation rod is arranged on the both sides of described seat cushion, and described seat The seat frame of the cushion is fixedly connected with the two installation rods; the knee fixing structure, the knee fixing structure includes two support rods corresponding to the two installation rods, the two support rods One end is connected with the two installation rods, and the other side of the two support rods is connected with a knee bearing plate; the knee bearing plate includes a connecting plate, and the bearing surface of the connecting plate is provided with a bearing for carrying the knee pad. The use of the knee fixation device and the walking-assisting robot can improve the overall service life on the basis of ensuring the safety and user experience of users.

Description

A kind of knee immobilization device and walking assistant robot

technical field

The invention relates to the technical field of rehabilitation training equipment, in particular to a knee fixation device and a walking aid robot.

Background technique

In related technologies, walking-assisting robots are usually used as walking and rehabilitation training devices for disabled patients. Among them, the walker robot usually includes a walking mode and a training mode. When in the walking mode, the walker robot is in the shape of a wheelchair as a whole. The patient can sit on the seat of the walker robot in a sitting position and use the controller on the armrest to control the seat. The driving wheels below drive the entire walking aid robot to move on land. In the training mode, the walking assistant robot can perform folding deformation similar to a folding chair, so that the backrest and cushion of the seat stand up, and the footrest of the seat is used to support the patient, and at the same time it is connected to the seat belt on the backrest of the seat. Fix the upper body of the patient so that the patient can maintain a standing posture for training.

In the walking aid robot in the related art, when it is in the training mode, the safety belt bracket on the top is usually used to connect the safety belt worn by the patient. When the patient is in a standing posture, the weight of the patient's whole body will be concentrated on the connection between the seat belt bracket and the seat belt. During long-term work, the patient's upper body bears most of the weight of the entire body. It is easy to shake in the middle of the bed, which poses a certain risk to the safety of the patient. Therefore, how to fix the lower body of the patient to ensure safety and share the pressure on the upper body is an urgent problem to be solved.

Contents of the invention

The invention provides a knee fixation device and a walker robot, which can ensure the safety and use experience of users. Described technical scheme is as follows:

In a first aspect, the present invention provides a knee immobilization device, comprising: a seat cushion, the seat cushion includes a support surface and two seat frames, the seat frames are parallel to the support surface and symmetrically arranged on the seat cushion both sides;

The leg support, the leg support includes two installation rods, the installation rods are arranged on both sides of the seat cushion, the seat frame of the seat cushion is fixedly connected with the two installation rods, the There are structural slots for weight reduction on the mounting rod;

Knee fixing structure, the knee fixing structure includes two support rods corresponding to the two installation rods, one end of the two support rods is connected with the two installation rods, the two support rods The other end of the rod is rotatably connected with a knee bearing plate;

The knee bearing plate includes a connecting plate, and the bearing surface of the connecting plate is provided with a bearing pad for bearing the knee. In this way, the patient's knee is limited by the knee bearing plate of the knee fixing structure 3 to prevent During the walking process, the patient falls due to the shaking of the lower body; at the same time, in the upright training mode, the patient is in an upright posture as a whole, and the upper body is fixed by the safety belt. The pressure is distributed to the lower body, so that the acceptance is more uniform, and at the same time, it avoids shaking due to the unfixed lower body, which further makes the entire walking-assisting robot fall over. On the basis of ensuring the safety of the patient and the comfort of use, the walking-assisting robot is guaranteed. Stable operation.

Optionally, the support rod includes a movable rod and a fixed rod, the fixed rod is connected to the installation rod; the fixed rod is sleeved on the movable rod, and the movable rod and the fixed rod are set There are corresponding sliding grooves, the movable rod and the fixed rod slide relatively, and are fixed by bolts and sliding grooves to adjust the distance between the knee bearing plate and the seat cushion. The rod is sleeved on the outside of the movable rod and fixed through the sliding groove to adjust the distance between the knee bearing plate and the seat cushion 1 to meet the needs of patients with different sizes. The structure is simple and easy to operate. The patient experience is improved while increasing the practicality.

Optionally, the connecting plate is provided with a longitudinal groove, and the bearing pad is provided with an adjusting bolt, which is fixed on the connecting plate through the adjusting bolt, and the distance between the bearing pad and the connecting plate is adjusted by using the adjusting bolt In this way, by setting the longitudinal groove and adjusting the up and down position of the bearing pad to meet the needs of patients with different sizes, the structure is simple and easy to operate, and the use experience of the patient is further improved. Increased utility.

Optionally, the bearing pad is detachably connected to the adjusting bolt, so that the structure is simple, easy to disassemble, and can be removed separately for maintenance and replacement when wear and deformation occurs after long-term use, so as to avoid scrapping the whole, and further The overall service life of the knee immobilization device is improved, and at the same time, different bearing pads can be replaced to meet the needs of different patients.

Optionally, an angle-adjustable and fixed angle adjustment disc is installed on the installation rod, and one end of the support rod is movably connected to the installation rod through the angle adjustment disc, so as to ensure the stability of the lower body of the patient. Basically, the patient's knee is given a certain amount of space to reduce damage to the patient's knee and improve comfort.

Optionally, the bearing pad is provided with a dimple suitable for placing the knee, and the bearing pad is made of flexible material.

Optionally, the seat cushion is provided with two thigh fixing loops and two knee fixing loops, the circumference surfaces of the thigh fixing loops and the knee fixing loops are both open, and one of the openings is A fixing buckle is installed on one side, and a fixing belt is arranged on the other side of the opening;

The fixing belt is provided with a rough Velcro and a thorny Velcro, creases are arranged adjacent to the rough Velcro and the thorny Velcro, the thigh fixing collar and the knee fixing sleeve The ring passes through the fixing buckle through the fixing belt, and the fur surface Velcro and the thorn surface Velcro are bonded and matched for fixing.

Optionally, the size of the thigh fixation loop is larger than the diameter dimension of the knee fixation loop.

Optionally, the leg supports are made of stainless steel.

On the other hand, the present invention also provides a walking-assisting robot, including the knee fixing device provided above, the walking-assisting robot also includes a backrest bracket and a folding pulley assembly, the backrest bracket is connected with the seat cushion, One ends of the two installation rods are connected to the folding pulley assembly, and the folding pulley assembly is configured to be able to adjust the angle between the backrest bracket and the seat cushion by folding, and the backrest bracket also includes Install the belt suspender assembly, the lower end of the installation belt suspender assembly is rotatably connected to the upper end of the backrest bracket, the upper end of the installation belt suspender assembly is provided with a seat belt buckle structure, and the safety belt buckle structure For attaching the seat belt kit.

The knee fixation device provided by the present invention is fixedly connected with the walking aid robot through two mounting rods of the leg bracket. After the walker robot is in the standing posture, it can use the knee to fix the structure and touch the patient's knee to share a certain amount of body pressure, and at the same time reduce the bearing capacity of the upper seat belt to make the force more uniform. , due to the apportionment of the force, the walker robot is more stable in use as a whole, reducing the shaking of the patient, and providing the overall service life on the basis of ensuring the safety and use experience of the patient.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained based on these drawings without creative effort.

Fig. 1 is a three-dimensional structural schematic diagram of a knee immobilization device provided by an embodiment of the present invention;

Fig. 2 is the enlarged structural schematic diagram of the knee fixing structure provided by the embodiment of the present invention;

Fig. 3 is a schematic diagram of the connection structure of the connecting plate and the bearing pad according to the embodiment of the present invention;

Fig. 4 is a three-dimensional structural schematic diagram of a thigh fixing collar and a knee fixing collar provided by an embodiment of the present invention;

Fig. 5 is a schematic diagram of an enlarged structure of a thigh fixing collar provided by an embodiment of the present invention;

6 is a schematic diagram of an enlarged structure of a fixing belt provided by an embodiment of the present invention;

Fig. 7 is a schematic structural diagram of a walking-assisting robot provided by an embodiment of the present invention.

In the figure: 1-seat cushion; 11-support surface; 12-seat frame; 131-thigh fixing collar; 132-knee fixing collar; 133-opening; 1331-fixing buckle; 1332-fixing belt; Velcro; 135-stabbed Velcro; 2-leg bracket; 21-installation rod; 211-angle adjustment plate; 22-structure groove; 3-knee fixed structure; Fixed rod; 313-sliding groove; 32-knee bearing plate; 3221-adjusting bolt; 3222-dimple; 321-connecting plate; 322-bearing pad; 323-longitudinal groove; 6-Installing the belt hanger assembly; 61-Seat belt buckle structure

Detailed ways

In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

In related technologies, walking-assisting robots are usually used as walking and rehabilitation training devices for disabled patients. Among them, the walker robot usually includes a walking mode and a training mode. When in the walking mode, the walker robot is in the shape of a wheelchair as a whole. The patient can sit on the seat of the walker robot in a sitting position and use the controller on the armrest to control the seat. The driving wheels below drive the entire walking aid robot to move on land. In the training mode, the walking assistant robot can perform folding deformation similar to a folding chair, so that the backrest and cushion of the seat stand up, and the footrest of the seat is used to support the patient, and at the same time it is connected to the seat belt on the backrest of the seat. Fix the upper body of the patient so that the patient can maintain a standing posture for training.

In the walking aid robot in the related art, when it is in the training mode, the safety belt bracket on the top is usually used to connect the safety belt worn by the patient. When the patient is in a standing posture, the weight of the patient's whole body will be concentrated on the connection between the seat belt bracket and the seat belt. During long-term work, the patient's upper body bears most of the weight of the entire body. It is easy to shake in the center, which poses a certain risk to the safety of the patient.

FIG. 1 is a schematic perspective view of the three-dimensional structure of a knee immobilization device provided by an embodiment of the present invention. Fig. 2 is an enlarged structural schematic diagram of the knee fixing structure provided by the embodiment of the present invention. Fig. 3 is a schematic diagram of the connection structure of the connecting plate and the bearing pad according to the embodiment of the present invention. Fig. 4 is a three-dimensional structural schematic diagram of a thigh fixing loop and a knee fixing loop provided by an embodiment of the present invention. Fig. 5 is a schematic diagram of an enlarged structure of a thigh fixing collar provided by an embodiment of the present invention. Fig. 6 is a schematic diagram of an enlarged structure of a fixing belt provided by an embodiment of the present invention. Fig. 7 is a schematic structural diagram of a walking-assisting robot provided by an embodiment of the present invention. As shown in FIGS. 1 to 6 , through practice, the present application provides a knee immobilization device, which includes a seat cushion 1 , a leg support 2 and a knee immobilization structure 3 .

Wherein, the seat cushion 1 includes a support surface 11 and two seat frames 12, and the seat frames 12 are parallel to the support surface 11 and symmetrically arranged on both sides of the seat cushion 1;

The leg support 2 includes two installation rods 21, the installation rods 21 are arranged on both sides of the seat cushion 1, the seat frame 12 of the seat cushion 1 is fixedly connected with the two installation rods 21, and the installation rod 21 is provided with a structural groove for reducing weight twenty two;

The knee fixing structure 3 includes two support rods 31 corresponding to the two installation rods 21, one end of the two support rods 31 is connected with the two installation rods 21, and the other end of the two support rods 31 is rotatably connected with knee load plate 32;

The knee bearing plate 32 includes a connecting plate 321, and the bearing surface of the connecting plate 321 is provided with a bearing pad 322 for bearing the knee.

Exemplarily, as shown in Fig. 2, in the embodiment of the present invention, the rotatable connection is connected by means of a connecting shaft, so that the patient's knee is given a certain amount of room for movement on the basis that the above-mentioned knee fixation device ensures the stability of the patient's lower body , to reduce damage to the patient's knee, improve comfort, and further improve practicality.

In the embodiment of the present invention, the knee immobilization device is fixedly connected to the walking-assisting robot through the two mounting rods 21 of the leg bracket 2. When the walking-assisting robot is in the walking mode, the patient sits on the seat cushion 1 in a sitting posture. The lower body is usually inconvenient to move, and it is inconvenient to fix the sitting posture. At this time, the knee bearing plate 32 of the knee fixing structure 3 is used to limit the patient's knees to prevent the patient from falling over due to the shaking of the lower body during the walking process. When the walker robot is in the upright training mode, the patient is in an upright posture as a whole, and the upper body of the patient is lifted by the safety belt to fix the upper body. At this time, the knee bearing plate 32 is brought into contact with the knee of the patient through the knee fixing device , the patient’s knee is fixed, and the knee bearing plate 32 is rotatably connected to the two support rods 31, so that the patient is in the upright process, and the knee bearing plate 32 generates a certain force on the patient by abutting against the patient. On the basis of fixing the lower body to ensure safety, the patient's knees and legs can be properly bent to complete the rehabilitation work of upright walking. At the same time, the pressure concentrated on the upper body is dispersed through the knees and legs, so that The force is relatively uniform, and at the same time, it avoids shaking due to the unfixed lower body, which further causes the entire walking aid robot to overturn accidents. On the basis of ensuring the safety of the patient and the comfort of use, the stable operation of the walking aid robot is guaranteed; at the same time, Through the knee fixing structure 3, the force of the walker robot is more uniform, and the force is not concentrated on the upper seat belt hanger, which improves the service life of the walker robot.

Exemplarily, in the embodiment of the present invention, the support rod 31 includes a movable rod 311 and a fixed rod 312, and the fixed rod 312 is connected with the installation rod 21; Corresponding sliding grooves 313 are provided, and the movable rod 311 and the fixed rod 312 slide relatively, and are fixed by bolts and sliding grooves 313 to adjust the distance between the knee bearing plate 32 and the seat cushion 1. Most of them are not consistent, and the size of their legs is also inconsistent. Therefore, by setting the fixed rod 312 outside the movable rod 311 and fixing it through the sliding groove 313, the distance between the knee bearing plate 32 and the seat cushion 1 can be adjusted. It meets the use needs of patients of different sizes, and has a simple and easy-to-operate structure, which further improves the use experience of patients and increases practicability at the same time.

Optionally, the connecting plate 321 is provided with a longitudinal groove 323, and the bearing pad 322 is provided with an adjusting bolt 3221, which is fixed on the connecting plate 321 by the adjusting bolt, and the distance between the bearing pad 322 and the connecting plate 321 is adjusted by using the adjusting bolt 3221. Since there is a certain difference in the length of the patient's thigh and calf, the position of the knee is also different. By setting the longitudinal groove 323 and adjusting the bolt 3221, the upper and lower positions of the bearing pad 322 can be adjusted to meet the needs of patients with different body types. The structure is simple and easy to operate, which further improves the use experience of patients and increases the practicability at the same time.

Optionally, the bearing pad 322 is detachably connected to the adjusting bolt 3221 . In the embodiment of the present invention, the bearing pad 322 is detachably connected to the adjusting bolt 3221 by means of bolt connection. The detachable connection can also be connected by a key connection, a spline connection, or a pin connection. I won’t go into details here, and the structure is simple. Easy to assemble and disassemble. When wear and deformation occur after long-term use, it can be removed separately for maintenance and replacement, avoiding the scrapping of the whole, and further improving the overall service life of the knee fixation device. At the same time, different bearing pads 322 can be replaced to meet the needs of different patients. Improve the utility of knee immobilization devices.

Optionally, an angle adjusting plate 211 that can adjust the angle and fix it is installed on the mounting rod 21 , and one end of the support rod 31 is movably connected with the mounting rod 21 through the angle adjusting plate 211 .

Optionally, the bearing pad 322 is provided with a dimple 3222 suitable for placing the knee, and the bearing pad 322 is made of a flexible material. This is adapted to the patient's knee through the dimple 3222, so that the knee can be placed stably. It enters the dimple 3222 to improve comfort, and at the same time, the dimple 3222 further prevents the knee from shaking, reduces wear and improves comfort.

Exemplarily, in the embodiment of the present invention, two thigh fixing loops (131) and two knee fixing loops 132 are arranged on the seat cushion 1, and the circumferential surfaces of the thigh fixing loops 131 and the knee fixing loops 132 are uniform. An opening 133, one side of the opening 133 is provided with a fixing buckle 1331, and the other side of the opening 133 is provided with a fixing belt 1332;

The fixing band 1332 is provided with a furry Velcro 134 and a thorny Velcro 135, and creases are arranged adjacent to the furry Velcro 134 and the thorny Velcro 135, and the thigh fixing collar 131 and the knee fixing collar 132 are passed through The fixing belt 1332 passes through the fixing buckle 1331, and the rough surface Velcro 134 and the prickly surface Velcro 135 are bonded and matched for fixing. The fixing method of the Velcro is adopted, and the operation is simple. Just pass the fixing belt 1332 through the fixing buckle 1331, and pass After the creases between the rough surface Velcro 134 and the prickly surface Velcro 135 are folded, they are adhered and fixed, so that the patient's thigh and upper knee can be fixed, and the patient can wear it when the lower body is inconvenient.

Both the thigh fixing collar 131 and the knee fixing collar 132 in the embodiment of the present invention are made of nylon material, which provides service life on the basis of ensuring the patient's comfort.

Optionally, the size of the thigh fixing loop 131 is larger than the diameter of the knee fixing loop 132, which is convenient for the patient to wear.

Optionally, the leg support 2 is made of stainless steel. Exemplarily, in the embodiment of the present invention, the leg bracket 2 made of stainless steel has a series of characteristics such as excellent corrosion resistance, formability, compatibility and toughness, and can effectively improve the mechanical strength of the seat belt lifting device and overall service life.

Fig. 7 is a schematic structural diagram of a walking-assisting robot provided by an embodiment of the present invention. A walking-assisting robot, comprising a knee fixation device as shown in Figures 1 to 6, the walking-assisting robot also includes a backrest bracket 4 and a folding pulley assembly 5, the backrest bracket 4 is connected with the seat cushion 1, and one end of two mounting rods 21 All are connected with the folding pulley assembly 5, the folding pulley assembly 5 is configured to be able to adjust the angle between the backrest bracket 4 and the seat cushion 1 by folding, the backrest bracket 4 also includes a mounting belt suspension rod assembly 6, and the installation belt suspension rod assembly 6 The lower end of the lower end is rotatably connected to the upper end of the backrest bracket 4, and the upper end of the installation belt suspender assembly 6 is provided with a seat belt buckle structure 61, which is used to connect the seat belt kit (not shown in the figure), safe The belt kit can be placed on the user's torso, and the upper end of the safety belt kit is connected to the safety belt buckle to prevent the user from falling when standing.

The knee fixing device is fixedly connected with the walking-assisting robot through two mounting rods 21 of the leg support 2. When the walking-assisting robot is in the walking mode, the patient sits on the seat cushion 1 in a sitting posture. Because the patient's lower body is usually inconvenient to move, it is difficult to It is convenient to fix the sitting posture. At this time, the patient's knee is limited by the knee bearing plate 32 of the knee fixing structure 3 to prevent the patient from falling due to the shaking of the lower body during the walking process. On the other hand, during the upright training mode, at this time The seat cushion 1 stands up accordingly, and the patient can walk with the lifting assistance of the safety belt kit. When the walker robot is in the upright training mode, the patient is in an upright posture as a whole, and the upper body of the patient is lifted by the safety belt to fix the upper body , at this time, through the knee fixing device, the knee bearing plate 32 is abutted against the patient’s knee to fix the patient’s knee, and the knee bearing plate 32 is rotatably connected to the two support rods 31, so that the patient can stand upright During the process, the knee bearing plate 32 exerts a certain force on the patient through abutment, and on the basis of fixing the lower body of the patient to ensure safety, the patient's knees and legs can be properly bent to complete the recovery of upright walking. At the same time, through the knees and legs, the pressure concentrated on the upper body is dispersed, so that the force is more uniform, and at the same time, it avoids shaking due to the unfixed lower body, which further makes the entire walking assistant robot fall over. On the basis of the safety of the patient and the comfort of use, the stable operation of the walking-assisting robot is guaranteed; at the same time, through the knee fixing structure 3, the force of the walking-assisting robot is more uniform, and the force is not concentrated on the upper seat belt hanger , improve the service life of the walking assistant robot.

It should be noted that when an element is referred to as being “fixed” or “disposed on” another element, it may be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

Unless otherwise defined, the technical terms or scientific terms used herein shall have the usual meanings understood by those skilled in the art to which the present invention belongs. "First", "second" and similar words used in the patent application specification and claims of the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. Likewise, words like "a" or "one" do not denote a limitation in quantity, but indicate that there is at least one. Words such as "comprises" or "comprising" and similar terms mean that the elements or items listed before "comprising" or "comprising" include the elements or items listed after "comprising" or "comprising" and their equivalents, and do not exclude other component or object. Words such as "connected" or "connected" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "Down", "Left", "Right" and so on are only used to indicate relative positional relationship. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

The above-described embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: it can still implement the foregoing embodiments Modifications to the technical solutions described in the examples, or equivalent replacements for some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the various embodiments of the application, and should be included in the Within the protection scope of this application.

Claims (10)

1. A knee fixation device characterized by: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

the seat cushion (1) comprises a supporting surface (11) and two seat frames (12), wherein the seat frames (12) are parallel to the supporting surface (11) and symmetrically arranged on two sides of the seat cushion (1);

the leg support (2), the leg support (2) comprises two mounting rods (21), the mounting rods (21) are arranged on two sides of the seat cushion (1), the seat frame (12) of the seat cushion (1) is fixedly connected with the two mounting rods (21), and the mounting rods (21) are provided with structural grooves (22) for reducing weight;

the knee fixing structure (3) comprises two supporting rods (31) which are arranged in one-to-one correspondence with the two mounting rods (21), one ends of the two supporting rods (31) are connected with the two mounting rods (21), and the other ends of the two supporting rods (31) are rotatably connected with knee bearing plates (32);

the knee bearing plate (32) comprises a connecting plate (321), and a bearing pad (322) for bearing a knee is arranged on a bearing surface of the connecting plate (321).

2. A knee brace apparatus as recited in claim 1, wherein: the supporting rod (31) comprises a movable rod (311) and a fixed rod (312), and the fixed rod (312) is connected with the mounting rod (21); the fixed rod (312) is sleeved on the movable rod (311), corresponding sliding grooves (313) are formed in the movable rod (311) and the fixed rod (312), the movable rod (311) and the fixed rod (312) slide relatively and are fixed through bolts and the sliding grooves (313) so as to adjust the distance between the knee bearing plate (32) and the seat cushion (1).

3. A knee brace according to claim 2, wherein: the connecting plate (321) is provided with a longitudinal groove (323), the bearing pad (322) is provided with an adjusting bolt (3221), the bearing pad is fixed on the connecting plate (321) through the adjusting bolt (3221), and the distance between the bearing pad (322) and the connecting plate (321) is adjusted by the adjusting bolt (3221).

4. A knee brace apparatus as claimed in claim 3, wherein: the bearing pad (322) is detachably connected with the adjusting bolt (3221).

5. A knee brace apparatus as claimed in claim 2, wherein: but install angle regulation dish (211) that angle regulation and fix on installation pole (21), the one end of bracing piece (31) is passed through angle regulation dish (211) with installation pole (21) swing joint.

6. A knee brace apparatus as recited in claim 1, wherein: the bearing pad (322) is provided with a recess (3222) suitable for placing a knee, and the bearing pad (322) is made of flexible materials.

7. A knee brace according to claim 1, wherein: two thigh fixing lantern rings (131) and two knee fixing lantern rings (132) are arranged on the seat cushion (1), openings (133) are formed in the circumferential surfaces of the thigh fixing lantern rings (131) and the knee fixing lantern rings (132), a fixing buckle (1331) is installed on one side of each opening (133), and a fixing belt (1332) is arranged on the other side of each opening (133);

be provided with hair side magic subsides (134) and thorn side magic subsides (135) on fixed band (1332), hair side magic subsides (134) with thorn side magic subsides (135) adjacent department is provided with the crease, thigh fixed lantern ring (131) with knee fixed lantern ring (132), through fixed band (1332) pass fixed knot (1331), hair side magic subsides (134) and thorn side magic subsides (135) bonding cooperation are in order to fix.

8. A knee brace according to claim 7, wherein: the thigh securing strap (131) has a dimension greater than a diameter dimension of the knee securing strap (132).

9. A knee brace apparatus as recited in claim 1, wherein: the leg support (2) is made of stainless steel.

10. A walking-aid robot is characterized in that: the knee fixing device according to any one of claims 1 to 9, the walking-assisted robot further comprising a backrest support (4) and a folding pulley assembly (5), the backrest support (4) is connected with the seat cushion (1), one end of each of the two mounting rods (21) is connected with the folding pulley assembly (5), the folding pulley assembly (5) is configured to adjust an included angle between the backrest support (4) and the seat cushion (1) through folding, the backrest support (4) further comprises a mounting belt hanger rod assembly (6), a lower end of the mounting belt hanger rod assembly (6) is rotatably connected to an upper end of the backrest support (4), an upper end of the mounting belt hanger rod assembly (6) is provided with a safety belt hanging and buckling structure (61), and the safety belt hanging and buckling structure (61) is used for connecting a safety belt kit.

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