A smart brace

Abstract

The present invention belongs to the technical field of medical devices, and particularly relates to an intelligent brace. The intelligent brace includes a thigh brace, a calf brace, a rotating shaft, an angle sensor, a shell and a main control board; a housing space is provided on the shell, and the angle sensor, the main control board and the rotating shaft are all installed in the housing space; the rotating shaft is rotatably connected to the shell; the thigh brace is fixedly connected to the shell, and the calf brace extends into the housing space and is fixedly connected to the rotating shaft; when the calf brace drives the rotating shaft to rotate relative to the thigh brace, the angle sensor measures the relative rotation angle between the thigh brace and the calf brace and sends it to the main control board, and the main control board records the relative rotation angle as the knee joint bending angle. In the present invention, the knee joint bending angle detected by the main control board through the angle sensor can be displayed to the patient through a display screen, or sent to an APP on the terminal, so that the patient can view his own knee joint bending angle through the display screen and the APP, thereby improving the convenience and applicability of the intelligent brace.

Description

Technical Field

[0001] The present invention belongs to the technical field of medical devices, and in particular relates to an intelligent brace. Background Art

[0002] Fractures, dislocations, and injuries to blood vessels, nerves, and ligaments of the human knee are very common. Regardless of whether surgical treatment or conservative treatment is used, the human thigh and calf need to be fixed, and then the human knee needs to be fixed. After a human knee injury, the movement of the knee needs to be restored slowly and gradually; at this time, a brace that assists in the recovery of the human knee's movement function comes into being. In the prior art, a knee recovery brace usually consists of a thigh fixing portion for fixing the thigh, and a calf fixing portion for fixing the calf, and the thigh fixing portion and the calf fixing portion can limit the movement of the human knee.

[0003] However, the knee recovery brace in the prior art cannot accurately read the bending angle of the knee, so that the patient cannot accurately obtain the knee bending angle at each knee recovery stage, which is not conducive to the recovery of knee motor function. In addition, the knee recovery brace in the prior art can only perform hard limit between the two extreme positions of the thigh and calf of the human body, and the patient is prone to secondary injury to the knee joint during the knee bending process. Summary of the invention

[0004] The present invention aims at solving the technical problems in the prior art such as the inability to accurately read the bending angle of the knee from the knee recovery brace, and provides an intelligent brace.

[0005] In view of the above technical problems, an embodiment of the utility model provides an intelligent brace, comprising a thigh brace, a calf brace, a rotating shaft, an angle sensor, a shell, and a main control board connected to the angle sensor; the shell is provided with a receiving space, and the angle sensor, the main control board and the rotating shaft are all installed in the receiving space; the rotating shaft is rotatably connected to the shell; the thigh brace is fixedly connected to the shell, and the calf brace extends into the receiving space and is fixedly connected to the rotating shaft;

[0006] When the calf brace drives the rotating shaft to rotate relative to the thigh brace, the angle sensor measures the relative rotation angle between the thigh brace and the calf brace and sends it to the main control board, and the main control board records the relative rotation angle as the knee joint bending angle.

[0007] Optionally, the intelligent brace further comprises an inertial detector mounted on the main control board and used to detect a hip joint angle, wherein the hip joint angle refers to an angle between the thigh brace and a plumb line.

[0008] Optionally, the intelligent support further includes a plug-in installed in the accommodating space and at least one electrode sheet connected to the plug-in, and one end of each of the plug-ins away from the electrode sheet is connected to the main control board.

[0009] Optionally, the shell includes an upper shell, a lower shell and a fixing seat installed in the accommodating space; a first accommodating groove for installing the angle sensor is formed in a depression on the fixing seat; a first through hole for the rotating shaft to pass through is provided on the fixing seat; the upper shell is installed on the upper end surface of the fixing seat, and the lower shell is installed on the lower end surface of the fixing seat; one end of the rotating shaft is rotatably connected to the lower shell, and the other end of the rotating shaft passes through the calf brace and the first through hole in sequence, and is rotatably connected to the upper shell.

[0010] Optionally, the intelligent brace also includes a code disc provided with a second through hole, and a buffer provided with a third through hole; the code disc is installed between the fixing seat and the lower shell body, and is located in the accommodating space; a second accommodating groove for installing the buffer member is formed between the fixing seat and the code disc; the end of the rotating shaft away from the lower shell body passes through the calf brace, the first through hole, the second through hole and the third through hole in sequence, and then is rotatably connected to the upper shell.

[0011] Optionally, the code disc is provided with internal teeth, and the intelligent brace further includes a first slide and a second slide installed in the lower shell, the first slide is provided with a fourth through hole, a first stop and a first engaging tooth engaged with the internal teeth, the second slide is provided with a fifth through hole, a second stop and a second engaging tooth engaged with the internal teeth, and a rotation space for limiting the rotation of the calf brace is formed between the first stop and the second stop; the end of the rotating shaft away from the lower shell passes through the fourth through hole, the fifth through hole, the second through hole, the third through hole and the first through hole in sequence, and is rotatably connected to the upper shell.

[0012] Optionally, a first arm is provided on the lower shell, a second arm is provided on the code disc, and a slot for clamping the thigh brace is formed between the first arm and the second arm.

[0013] Optionally, a mounting groove is provided on the rotating shaft, and the intelligent brace further comprises an angle generator installed in the mounting groove;

[0014] The angle sensor measures the rotation angle of the rotating shaft through the angle generator, and further measures the relative rotation angle between the thigh brace and the calf brace.

[0015] Optionally, the housing further comprises a side mounting seat; the rotating shaft, the angle sensor and the main control board are all mounted in the accommodation space;

[0016] The intelligent support also includes a display screen and a button. The side mounting seat is provided with a first mounting groove for mounting the display screen and a second mounting groove for mounting the button. The display screen and the button are both connected to the main control board.

[0017] Optionally, the intelligent support further includes a battery installed in the shell, and a charging interface installed on the main control board; the battery is electrically connected to the angle sensor and the main control board, and the charging interface is connected to the battery through the main control board.

[0018] In the present invention, a accommodating space is provided on the shell, and the angle sensor, the main control board and the rotating shaft are all installed in the accommodating space; the rotating shaft is rotatably connected to the shell; the thigh brace is fixedly connected to the shell, and the calf brace extends into the accommodating space and is fixedly connected to the rotating shaft; when the calf brace drives the rotating shaft to rotate relative to the thigh brace, the angle sensor measures the relative rotation angle between the thigh brace and the calf brace and sends it to the main control board, and the main control board records the relative rotation angle as the knee joint bending angle. The thigh brace and the calf brace in the present invention are respectively bound to the patient's thigh and calf, and when the patient's thigh and calf are bent, the thigh brace and the calf brace will drive the rotating shaft to rotate in the shell, and the angle sensor can detect the patient's knee joint bending angle (that is, the bending angle between the patient's thigh and calf) through the angle of rotation of the rotating shaft. The knee joint bending angle detected by the detection sensor device can be displayed to the patient through a display screen, or sent to an APP on a terminal, so that the patient can view his or her own knee joint bending angle through the display screen and the APP, thereby improving the convenience and applicability of the smart brace; in addition, the main control board can also store the detected patient's knee joint bending angle, so that the patient can count the patient's daily knee joint bending angle in the future, which is convenient for the patient's knee motor function to recover. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0020] Figure 1 A schematic diagram of the exploded structure of a smart brace provided in one embodiment of the present invention;

[0021] Figure 2 A cross-sectional view of an intelligent brace provided by an embodiment of the present invention;

[0022] Figure 3 A schematic diagram of a partial structure of an intelligent brace provided in one embodiment of the present invention;

[0023] Figure 4A schematic diagram of a partial structure of an intelligent brace provided in another embodiment of the present invention;

[0024] Figure 5 A schematic diagram of the structure of a first slide and a second slide of an intelligent brace provided in one embodiment of the present invention;

[0025] Figure 6 A schematic diagram of the structure of a first slide of an intelligent brace provided in one embodiment of the present invention;

[0026] Figure 7 A schematic diagram of the assembly structure of an intelligent brace provided in one embodiment of the present invention.

[0027] The reference numerals in the specification are as follows:

[0028] 11. Thigh brace; 12. Calf brace; 13. Rotating shaft; 14. Angle sensor; 15. Shell; 151. Upper shell; 152. Lower shell; 1521. First arm; 153. Side mounting seat; 154. Fixed seat; 1541. First receiving groove; 1542. First through hole; 16. Main control board; 17. Inertial detector; 18. Plug-in; 19. Code disk; 191. Second through hole; 192. Internal tooth; 193. Second arm; 1931. Slot; 20. Second receiving groove; 21. Buffer; 211. Third through hole; 22. First slide; 221. Fourth through hole; 222. First engaging tooth; 223. First stopper; 23. Second slide; 231. Fifth through hole; Engaging tooth 233. Second stopper; 24. Display screen; 25. Button; 26. Battery. DETAILED DESCRIPTION

[0029] In order to make the technical problems, technical solutions and beneficial effects solved by the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0030] It should be understood that the directions or positional relationships indicated by terms such as "upper", "lower", "left", "right", "front", "back", and "middle" are based on the directions or positional relationships shown in the accompanying drawings and are only used to facilitate the description of the present invention and simplify the description. They do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation of the present invention.

[0031] In order to facilitate the explanation of the installation relationship between the intelligent brace and various components in the present invention, the "upper" referred to in the present invention refers to the direction actually pointing upward (i.e. Figure 1 The “downward” in the present invention refers to the direction actually pointing upward (i.e. Figure 1 ).

[0032] like Figure 1 , Figure 2 and Figure 7 As shown, an embodiment of the present invention provides an intelligent brace, including a thigh brace 11, a calf brace 12, a rotating shaft 13, an angle sensor 14, a shell 15, and a main control board 16 connected to the angle sensor 14; the shell 15 is provided with a accommodating space (not shown), and the angle sensor 14, the main control board 16 and the rotating shaft 13 are all installed in the accommodating space; the rotating shaft 13 is rotatably connected to the shell 15; the thigh brace 11 is fixedly connected to the shell 15, and the calf brace 12 extends into the accommodating space and is fixedly connected to the rotating shaft 13; it can be understood that the thigh brace 11 is bound and connected to the patient's thigh, and the calf brace 12 is bound and connected to the patient's calf; the opposite ends of the rotating shaft 13 are rotatably connected to the shell 15 through a first bearing and a second bearing, respectively.

[0033] When the calf brace 12 drives the rotating shaft 13 to rotate relative to the thigh brace 11, the angle sensor 14 measures the relative rotation angle between the thigh brace 11 and the calf brace 12 and sends it to the main control board 16, and the main control board 16 records the relative rotation angle as the knee joint bending angle. Specifically, when the thigh brace 11 and the calf brace 12 will move with the patient's thigh and calf, the thigh brace 11 and the calf brace 12 will drive the rotating shaft 13 to rotate in the housing 15, and the angle sensor 14 will detect the rotation angle of the rotating shaft 13, and the main control board 16 can calculate the rotation angle of the rotating shaft 13, and then the bending angle of the patient's knee can be detected.

[0034] In the present invention, a housing space is provided on the shell 15, and the angle sensor 14, the main control board 16 and the rotating shaft 13 are all installed in the housing space; the rotating shaft 13 is rotatably connected to the shell 15; the thigh brace 11 is fixedly connected to the shell 15, and the calf brace 12 extends into the housing space and is fixedly connected to the rotating shaft 13; when the calf brace 12 drives the rotating shaft 13 to rotate relative to the thigh brace 11, the angle sensor 14 measures the relative rotation angle between the thigh brace 11 and the calf brace 12 and sends it to the main control board 16, and the main control board 16 records the relative rotation angle as the knee joint bending angle. In the present invention, the thigh brace 11 and the calf brace 12 are respectively bound to the patient's thigh and calf, and when the patient's thigh and calf are bent, the thigh brace 11 and the calf brace 12 will drive the rotating shaft 13 to rotate in the shell 15, and the angle sensor 14 can detect the patient's knee bending angle (that is, the bending angle between the patient's thigh and calf) through the angle of rotation of the rotating shaft 13. The knee bending angle detected by the detection sensor device can be displayed to the patient through the display screen 24, or sent to an APP on the terminal, so that the patient can view his own knee bending angle through the display screen 24 and the APP, thereby improving the convenience and applicability of the smart brace; in addition, the main control board 16 can also store the detected patient's knee bending angle, so that the patient can count the patient's daily knee bending angle in the future, which is convenient for the patient's knee motor function to recover.

[0035] In one embodiment, if Figure 1 As shown, the smart brace also includes an inertial detector 17 installed on the main control board 16 and used to detect the hip joint angle (and the inertial detector 17 is electrically connected to the main control board 16), and the hip joint angle refers to the angle between the thigh brace 11 and the plumb line. It can be understood that the inertial detector 17 is fixedly installed in the shell 15. When the patient lifts his leg, the inertial detector 17 will detect the hip joint angle (that is, the thigh angle, that is, the angle between the thigh and the plumb line when it is lifted), and transmit it to the display screen 24 or APP and other terminals through the main control board 16 for the patient to view;

[0036] Furthermore, the angle sensor 14 can detect the patient's knee joint bending angle, the inertial detector 17 can detect the patient's hip joint angle, and the main control board 16 can obtain the patient's gait model through the knee joint bending angle and the hip joint angle; thereby helping the patient to check the daily recovery of his injured knee.

[0037] In one embodiment, if Figure 1As shown, the intelligent brace also includes a plug-in 18 installed in the accommodating space and at least one electrode sheet connected to the plug-in 18, and one end of each plug-in 18 away from the electrode sheet is connected to the main control board 16. It can be understood that the electrode sheet can be set to multiple according to actual needs, such as 5, 8, 10, etc. Further, the electrode sheet is a medium-low frequency electrode sheet, and the electrode sheet is attached to the quadriceps of the patient. The main control board 16 can control the electrode sheet to perform medium-low frequency physiotherapy on the quadriceps of the patient. When the control board is connected to a terminal such as APP, the physiotherapy mode of the electrode sheet can be switched through the terminal such as APP, and the current intensity of the electrode sheet can be adjusted; thus, the design of the electrode sheet further improves the rehabilitation effect of the intelligent brace on the patient.

[0038] In one embodiment, if Figure 1 and Figure 2 As shown, the housing 15 includes an upper shell 151, a lower shell 152 and a fixing seat 154 installed in the containing space; the fixing seat 154 is recessed to form a first containing groove 1541 for installing the angle sensor 14; the fixing seat 154 is provided with a first through hole 1542 for the rotating shaft 13 to pass through; the upper shell 151 is installed on the upper end surface of the fixing seat 154, and the lower shell 152 is installed on the lower end surface of the fixing seat 154; one end of the rotating shaft 13 is rotatably connected to the lower shell 152, and the other end of the rotating shaft 13 passes through the calf brace 12 and the first through hole 1542 in sequence, and then is rotatably connected to the upper shell 151. It can be understood that the calf brace 12 is provided with a through hole, and the rotating shaft 13 passes through the through hole and is interference-connected with the through hole, so as to achieve the technical effect that the thigh brace 11 and the calf brace 12 drive the rotating shaft 13 to rotate. In the present invention, the intelligent brace has a compact structure, is easy to install, and has a low manufacturing cost.

[0039] In one embodiment, if Figure 3 and Figure 4As shown, the intelligent brace also includes a code disc 19 provided with a second through hole 191, and a buffer 21 provided with a third through hole 211; the code disc 19 is installed (installed by screw connection or the like) between the fixing seat 154 and the lower shell 152 housing 15, and is located in the accommodating space; a second accommodating groove 20 for installing (installed by screw connection or the like) the buffer 21 is formed between the fixing seat 154 and the code disc 19; the end of the rotating shaft 13 away from the lower shell 152 passes through the calf brace 12, the first through hole 1542, the second through hole 191 and the third through hole 211 in sequence, and then rotates to connect to the upper shell 151. It can be understood that when the buffer 21 is installed in the second accommodating groove 20, the first through hole 1542, the second through hole 191 and the third through hole 211 are all aligned. Furthermore, the buffer 21 can be a torsion spring buffer 21, a damping buffer 21, etc.; preferably, the third through hole 211 is a square through hole. After the rotating shaft 13 penetrates the square through hole, the rotation of the rotating shaft 13 drives the buffer body (torsion spring, damping, etc.) in the buffer to rotate through the square through hole. Due to the buffering resistance of the buffer 21, secondary injuries caused by excessive bending of the patient's thigh or calf can be avoided. In the present invention, the design of the buffer 21 further improves the rehabilitation effect of the intelligent brace on patients.

[0040] In one embodiment, if Figure 4 and Figure 5As shown, the code disc 19 is provided with an inner tooth 192, and the intelligent brace also includes a first slide 22 and a second slide 23 installed in the lower shell 152, the first slide 22 is provided with a fourth through hole 221, a first stop 223 and a first engaging tooth 222 engaged with the inner tooth 192, the second slide 23 is provided with a fifth through hole 231, a second stop 233 and a second engaging tooth (not shown) engaged with the inner tooth 192, and a rotation space for limiting the rotation of the calf brace 12 is formed between the first stop 223 and the second stop 233; the end of the rotating shaft 13 away from the lower shell 152 passes through the fourth through hole 221, the fifth through hole 231, the second through hole 191, the third through hole 211 and the first through hole 1542 in sequence, and is rotatably connected to the upper shell 151. It can be understood that the first engaging teeth 222 of the first slide 22 and the second engaging teeth of the second slide 23 can be selectively engaged with the inner teeth 192, and the angle between the first slide 22 and the second slide 23 can be limited, so as to limit the angle of rotation of the calf around the rotating shaft 13 (that is, the calf brace 12 can only rotate in the rotation space between the first stop 223 and the second stop 233). In the present invention, the design of the first slide 22 and the second slide can adjust the rotation angle between the calf brace 12 and the thigh brace 11, which can be used to adjust the daily knee bending angle of the patient, thereby avoiding the risk of secondary injury caused by excessive knee bending angle of the patient.

[0041] As a preference, Figure 6As shown, the first sliding plate 22 is also provided with a first lifting rod, a first bottom plate and a first elastic member; the fourth through hole 221 is arranged on the first bottom plate, the side wall of the first bottom plate forms the first stop portion 213, the first lifting rod is rotatably mounted on the first bottom plate, the first locking tooth 222 is mounted on the end surface of the first lifting rod away from the first bottom plate, and the first elastic member is mounted between the first lifting rod and the first bottom plate; and the second sliding plate is also provided with a second lifting rod, a second bottom plate and a second elastic member; the fifth through hole 231 is arranged on the second bottom plate, the side wall of the second bottom plate forms the second stop portion 223, the second lifting rod is rotatably mounted on the second bottom plate, the second locking tooth is mounted on the end surface of the second lifting rod away from the second bottom plate, and the second elastic member is mounted between the second lifting rod and the second bottom plate. It can be understood that when the first lifting rod is pressed, the first lifting rod will drive the first engaging tooth 222 to separate from the inner tooth 92, and the first slide 22 can rotate around the rotating shaft 13, and when the second lifting rod is pressed, the second lifting rod will drive the second engaging tooth to separate from the inner tooth 22, and the second slide 23 can rotate around the rotating shaft 13 to adjust the angle; when the first lifting rod and the second lifting rod are released, the first elastic member and the second elastic member will pop out the first engaging tooth 222 and the second engaging tooth, thereby achieving the technical effect of clamping the first engaging tooth 222 and the second engaging tooth with the inner tooth. In the present invention, the intelligent brace has a simple structure and is easy to operate.

[0042] In one embodiment, if Figure 3 As shown, the lower shell 152 is provided with a first arm 1521, the code disk 19 is provided with a second arm 193, and a slot 1931 for clamping the thigh brace 11 is formed between the first arm 1521 and the second arm 193. It can be understood that one end of the thigh brace 11 extends into the slot 1931 and is fixedly connected to both the lower shell 152 and the upper shell 151 (screw connection, etc.); since the patient's thigh swing amplitude is small, the design of the first arm 1521 and the second arm 193 increases the stability of the patient when using the intelligent brace, and improves the measurement accuracy of the intelligent brace (including the accuracy of the knee joint bending angle, hip joint angle and gait information).

[0043] In one embodiment, a mounting groove (not shown) is provided on the rotating shaft 13, and the intelligent brace further includes an angle generator 14 (not shown) installed in the mounting groove.

[0044] The angle sensor 14 measures the rotation angle of the rotating shaft 13 through the angle generator, and then measures the relative rotation angle between the thigh brace 11 and the calf brace 12. Preferably, the angle sensor 14 is a magnetic encoder, and the angle generator is a magnet; for example, the angle sensor 14 is a code disk, and the angle generator is a photoelectric sensor, etc.; it can be understood that when the magnet rotates with the rotating shaft 13, the angle sensor 14 can detect the rotation angle of the rotating shaft 13 through the magnet, and then detect the patient's knee joint bending angle. In the present invention, the intelligent brace has a simple structure and low manufacturing cost.

[0045] In one embodiment, if Figure 1 As shown, the shell 15 also includes a side mounting seat 153; the rotating shaft 13, the angle sensor 14 and the main control board 16 are all installed in the accommodating space; it can be understood that the upper shell 151 and the lower shell 152 are respectively installed at the upper and lower ends of the side mounting seat 153.

[0046] The intelligent brace also includes a display screen 24 and a button 25. The side mounting seat 153 is provided with a first mounting slot for mounting the display screen 24 and a second mounting slot for mounting the button 25. The display screen 24 and the button 25 are both connected to the main control board 16. It can be understood that the first mounting slot and the second mounting slot are both through slots, and the button 25 can be set to one or more (two, three, etc.) according to actual needs; preferably, the button 25 includes an on button 25 and a off button 25. In the present invention, the main control board 16 feeds back the detected knee joint bending angle, hip joint angle and gait information to the display screen 24, and displays them through the display screen 24, so that it is convenient for patients to view the recovery information of the knee joint.

[0047] In one embodiment, if Figure 1 As shown, the smart brace also includes a battery 26 installed in the housing 15, and a charging interface (not shown) installed on the main control board 16; the battery 26 is electrically connected to the angle sensor 14 and the main control board 16, and the charging interface is connected to the battery 26 through the main control board 16. Preferably, the charging interface is TYPE-C, and the TYPE-C charging interface directly charges the battery 26 through the mobile phone charging cable, thereby improving the applicability of the smart brace. It can be understood that the battery 26 is also electrically connected to the inertia detector 17, the display screen 24, etc., and the external charger can charge the battery 26 through the charging interface, thereby improving the convenience and applicability of the smart brace.

[0048] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An intelligent brace, characterized in that: It includes a thigh brace, a calf brace, a rotating shaft, an angle sensor, a shell, and a main control board connected to the angle sensor; the shell is provided with a storage space, and the angle sensor, the main control board and the rotating shaft are all installed in the storage space; the rotating shaft is rotatably connected to the shell; the thigh brace is fixedly connected to the shell, and the calf brace extends into the storage space and is fixedly connected to the rotating shaft; When the calf brace drives the rotating shaft to rotate relative to the thigh brace, the angle sensor measures the relative rotation angle between the thigh brace and the calf brace and sends it to the main control board, and the main control board records the relative rotation angle as the knee joint bending angle; The housing comprises an upper shell, a lower shell and a fixing seat installed in the containing space; a first containing groove for installing the angle sensor is formed on the fixing seat; a first through hole for the rotating shaft to pass through is provided on the fixing seat; the upper shell is installed on the upper end surface of the fixing seat, and the lower shell is installed on the lower end surface of the fixing seat; one end of the rotating shaft is rotatably connected to the lower shell, and the other end of the rotating shaft passes through the calf brace and the first through hole in sequence, and then is rotatably connected to the upper shell; The intelligent brace further includes a code disc provided with a second through hole, and a buffer provided with a third through hole; the code disc is installed between the fixing seat and the lower shell, and is located in the accommodating space; a second accommodating groove for installing the buffer is formed between the fixing seat and the code disc; the end of the rotating shaft away from the lower shell passes through the calf brace, the first through hole, the second through hole and the third through hole in sequence, and then is rotatably connected to the upper shell; The code disc is provided with inner teeth, and the intelligent brace further comprises a first slide and a second slide installed in the lower shell, the first slide is provided with a fourth through hole, a first stopper and a first engaging tooth engaged with the inner teeth, the second slide is provided with a fifth through hole, a second stopper and a second engaging tooth engaged with the inner teeth, and a rotation space for limiting the rotation of the calf brace is formed between the first stopper and the second stopper; the end of the rotating shaft away from the lower shell passes through the fourth through hole, the fifth through hole, the second through hole, the third through hole and the first through hole in sequence, and then is rotatably connected to the upper shell; The lower shell is provided with a first arm, the code disc is also provided with a second arm, and a slot for clamping the thigh brace is formed between the first arm and the second arm.

2. The intelligent brace according to claim 1, characterized in that: The intelligent brace also includes an inertial detector installed on the main control board and used to detect the hip joint angle, and the hip joint angle refers to the angle between the thigh brace and the plumb line.

3. The intelligent brace according to claim 1, characterized in that: The intelligent support further comprises a plug-in installed in the accommodating space and at least one electrode sheet connected to the plug-in, and one end of each of the plug-ins away from the electrode sheet is connected to the main control board.

4. The intelligent brace according to claim 1, characterized in that: The rotating shaft is provided with a mounting groove, and the intelligent brace further comprises an angle generator installed in the mounting groove; The angle sensor measures the rotation angle of the rotating shaft through the angle generator, and further measures the relative rotation angle between the thigh brace and the calf brace.

5. The intelligent brace according to claim 1, characterized in that: The housing further comprises a side mounting seat; the rotating shaft, the angle sensor and the main control board are all mounted in the accommodation space; The intelligent support also includes a display screen and a button. The side mounting seat is provided with a first mounting groove for mounting the display screen and a second mounting groove for mounting the button. The display screen and the button are both connected to the main control board.

6. The intelligent brace according to claim 1, characterized in that: The intelligent support also includes a battery installed in the shell, and a charging interface installed on the main control board; the battery is electrically connected to the angle sensor and the main control board, and the charging interface is connected to the battery through the main control board.

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