Knee joint orthosis for assisting knee stretching and bending

Abstract

The invention relates to the technical field of orthotics, and particularly discloses a knee joint orthotics for assisting knee stretching and bending. According to the knee joint orthosis for assisting knee stretching and bending, the purposes of wrapping muscles and bones and heating the muscles to soften fascia are achieved, the thigh assembly fixes the thigh position, the assisting device conducts assisting supporting, and the shank assembly supports the shank; the power assisting process of bending and unbending between the thigh and the shank is driven through electric power assisting of the power assisting device, so that power assisting is conducted on flexion and extension of the knee joint, muscles are heated and wrapped through the corresponding assemblies on the thigh assembly, fascia of the corresponding joint is softened, flexion and extension of the joint and extension of the fascia are facilitated, and the knee joint is protected. The shank assembly fixes the shank in a fixing mode in different directions with the thigh assembly, and heating is also performed during flexion and extension, so that muscles are softened, and knee joint recovery is facilitated.

Description

Technical Field

[0001] The invention relates to the technical field of orthoses, and in particular to a knee joint orthosis for assisting knee flexion and extension. Background Art

[0002] As the population ages, the incidence of knee diseases (such as osteoarthritis, rheumatoid arthritis, etc.) increases, and patients experience pain and weakness when flexing and extending their knees. At the same time, there are many knee problems caused by sports injuries. These people have a great demand for assistance in flexing and extending their knees. Traditional knee orthoses have a single function and mostly only provide fixed support, and cannot adjust the assistance in real time according to the body's movement status and needs. In addition, the comfort is poor, the material and design will cause pressure on the skin, and the wearing experience is poor.

[0003] At present, similar power-assisting devices are driven by pneumatic or hydraulic means. During driving, high-precision transmission relies on high-precision drive units, which are expensive and lack wrapping measures during flexion and extension, which is not conducive to the fixation of muscles and bones. Summary of the invention

[0004] To achieve the above objectives, the present invention is implemented through the following technical solutions: A knee joint orthosis for assisting knee flexion and extension, comprising a thigh component, a power assist device is fixedly connected to the bottom of the thigh component, a calf component is fixedly connected to the side of the power assist device, and the calf component is arranged below the power assist device; The thigh component includes a fixed shell, the top of the fixed shell is fixedly connected to a first fixed axis, the side of the first fixed axis is sleeved and fixedly connected to a fixed belt, the bottom of the fixed belt is fixedly connected to a fixed sponge, the top of the fixed shell is fixedly connected to a second fixed axis on a side away from the first fixed axis, the inner wall side of the fixed shell is fixedly connected to a side water bag, the side of the side water bag is connected to a knee joint water bag, the bottom of the inner wall of the fixed shell is fixedly connected to a linkage component, and the bottom of the fixed shell is fixedly connected to the top of the power-assisting device.

[0005] Preferably, the linkage component includes a water storage outer shell. At the top of the inner wall of the water storage outer shell, a limit bracket is fixedly connected. Inside the limit bracket, a hydraulic outer shell is slidably connected. At the bottom of the water storage outer shell, a circulation component is communicated. The circulation component is communicated with a first water pipe. One end of the first water pipe away from the circulation component is communicated with the inner wall of the side water bag. The bottom of the water storage outer shell is fixedly connected to the bottom of the inner wall of the fixed outer shell. The fixed outer shell wraps the side of the thigh. When the thigh is placed inside the fixed outer shell, the weight of the muscle presses on the top of the linkage component, thereby driving the side of the side water bag to expand through the linkage component, so as to fix the muscle on the side of the thigh. After the thigh is placed, manually operate the fixing belt to fix the top of the thigh, so that the thigh muscle is fixed inside the fixed outer shell, and the thigh is fixed by the extrusion of the fixed sponge to prevent loosening in the up and down direction. At the same time, the side water bag is communicated with the knee joint water bag. When the side water bag expands, it drives the knee joint water bag to expand. The liquid inside the side water bag passes through the inside of the knee joint water bag. The knee joint water bag is arranged near the knee to perform targeted heating and wrapping on the area near the knee, so as to soften the fascia and relax the muscles, which is beneficial for knee joint flexion and extension.

[0006] Preferably, the circulation component includes a water pump outer shell. At the bottom of the inner wall of the water pump outer shell, an impeller pump is fixedly connected. On the side of the impeller pump, a heating rod is fixedly connected. The water inlet end of the water pump outer shell is communicated with a water inlet pipe. The water outlet end of the water pump outer shell is communicated with a water outlet pipe. One end of the water outlet pipe away from the water pump outer shell is communicated with the first water pipe.

[0007] Preferably, the assisting device includes an assisting base. On the side of the assisting base, an assisting component is fixedly connected. At a position on the side of the assisting base where the assisting component is located, a first fixing seat is fixedly connected. Inside the first fixing seat, a first rotating ball is rotatably connected. On the side of the first rotating ball, a first connecting rod is fixedly connected. One end of the first connecting rod away from the first rotating ball is rotatably connected to the movable end of a first telescopic rod through a rotating shaft. The fixed end of the first telescopic rod is rotatably connected to a sliding rod through a rotating shaft. One end of the sliding rod away from the first telescopic rod is slidably connected to an adjusting component. The top of the adjusting component is fixedly connected to the bottom of the fixed outer shell. The side of the assisting base is fixedly connected to the side of the calf component.

[0008] Preferably, the boosting component includes a rotating base. The inner side of the side wall of the rotating base is rotatably connected to a motor bracket through a rotating shaft. The bottom of the inner wall of the motor bracket is fixedly connected to a first motor. A screw rod is fixedly connected to the driving shaft of the first motor. An anti-thread groove opposite to the screw rod is formed on the side of the screw rod. The side of the screw rod communicates with the anti-thread groove. A sliding sleeve is sleeved and slidably connected to the side of the screw rod. A slide bar adapted to the anti-thread groove is rotatably connected to the inner wall of the sliding sleeve through a rotating shaft. A limiting rod is slidably connected to the inner wall of the screw rod. The bottom of the sliding sleeve is fixedly connected to a second fixing seat. The bottom of the limiting rod is fixedly connected to the top of the second fixing seat. The side of the second fixing seat is fixedly connected to the side of the boosting base. The top of the rotating base is rotatably connected to the bottom of the fixed housing through a rotating shaft.

[0009] Preferably, the adjustment component includes a third fixed seat. A second rotating ball is rotatably connected to the inner wall of the third fixed seat. A fixed threaded cylinder is fixedly connected to the side of the second rotating ball. A limiting ring is sleeved and fixedly connected to the side of the fixed threaded cylinder. An adjustment screw is threadedly connected to the side of the fixed threaded cylinder. One end of the adjustment screw away from the fixed threaded cylinder is fixedly connected to an adjustment seat. A rotating handle is fixedly connected to the side of the adjustment seat. A first spring is fixedly connected to the side of the limiting ring. One end of the first spring away from the limiting ring is fixedly connected to the side of the adjustment seat. The top of the third fixed seat is fixedly connected to the bottom of the fixed housing. The end of the sliding rod away from the first telescopic rod is sleeved on the side of the adjustment seat and is slidably connected to the adjustment seat. When the first motor is started, the drive shaft of the first fixed seat drives the screw to rotate. The rotation of the screw drives the slide bar to slide along the internal thread grooves and reverse thread grooves on the side of the screw, so as to drive the sliding sleeve to slide along the side of the screw through the slide bar, thereby changing the distance between the rotating base and the boosting base. When the distance between the rotating base and the boosting base changes, the first fixed seat fixed to the side of the boosting base moves. The first rotating ball on the inner wall of the first fixed seat rotates. The rotation of the first rotating ball drives the first connecting rod to move. The movement of the first connecting rod drives the first telescopic rod to move, so as to assist in supporting the side of the knee joint during flexion and extension, disperse the stress on the knee joint, which is beneficial to the flexion and extension of the knee joint, and thus correct the posture of the knee joint. Rotate the rotating handle. The rotating handle drives the adjustment seat to rotate. The rotation of the adjustment seat changes the depth of the adjustment seat on the side of the fixed threaded cylinder, thereby driving the adjustment seat to approach or move away from the side of the third fixed seat. The adjustment seat drives the sliding rod to move. The movement of the sliding rod changes the distance between the first telescopic rod and the rotating base, thereby changing the supporting moment of the first telescopic rod and the knee rotation center, which is beneficial to making corresponding adjustments for different situations, thereby improving the versatility of the device. The first spring is used to reduce the probability of the adjustment seat rotating independently during the flexion and extension of the knee joint, and increases a certain degree of freedom through the cooperation between the second rotating ball and the third fixed seat, so as to avoid jamming caused by different situations during use. The limiting rod slides inside the screw to limit the relative position of the screw and the sliding sleeve, so as to avoid the problem of excessive extension.

[0010] Preferably, the calf component includes a rear fixed shell. A rotating seat is fixedly connected to the side of the rear fixed shell. A curved connecting rod is rotatably connected to the inner wall of the rotating seat through a rotating shaft. The curved connecting rod is rotatably connected to a front fixed shell through a rotating shaft. Vertical water bags are fixedly connected to the inner wall sides of the rear fixed shell and the front fixed shell. A second water pipe is communicated with the side of the vertical water bag. A fastening belt is fixedly connected to the side of the rear fixed shell. Communication pipes are communicated between multiple groups of the vertical water bags. The second water pipe is communicated with the bottom of the side water bag.

[0011] The present invention provides a knee joint orthosis for assisting knee flexion and extension, which has the following beneficial effects: 1. The knee joint orthosis for assisting knee flexion and extension is provided with a fixed outer shell to wrap the side of the thigh. When the thigh is placed inside the fixed outer shell, the weight of the muscle presses on the top of the linkage component, thereby driving the side of the side water bag to expand through the linkage component, so as to fix the muscle on the side of the thigh. After the thigh is placed, manually operate the fixing belt to fix the top of the thigh, so that the thigh muscle is fixed inside the fixed outer shell, and the thigh is fixed by the extrusion of the fixed sponge to prevent loosening in the up and down directions. At the same time, the side water bag is communicated with the knee joint water bag. When the side water bag expands, it drives the knee joint water bag to expand. The liquid inside the side water bag passes through the inside of the knee joint water bag. The knee joint water bag is arranged near the knee to perform targeted heating and wrapping on the area near the knee, so as to soften the fascia and relax the muscle, which is beneficial for knee joint flexion and extension.

[0012] 2. The knee joint orthosis for assisting knee flexion and extension is provided with the inside of the water storage outer shell preset to be filled with water. When the thigh is placed on the top of the hydraulic outer shell, the hydraulic outer shell descends to drive the liquid inside the water storage outer shell to pass through the water pump outer shell, through the water outlet pipe to the first water pipe and into the inside of the side water bag, thereby driving the side water bag to expand and squeeze and fix the side of the thigh. Start the impeller pump, and the impeller pump drives the water flow to flow, so as to drive the water to pass through the inside of the water pump outer shell, through the inside of the first water pipe into the side water bag and along the pipeline through the inside of the calf component to realize water body circulation. When the impeller pump rotates, it drives the heating rod to rotate. Start the heating rod, and the heating rod heats the water body. Compared with the traditional heating method, it avoids the heat accumulation and uneven heating caused by heating a single position. The heating efficiency is improved during the flow of the water body, and the heat is transferred to different positions through the water body circulation.

[0013] 3. The knee joint orthosis for assisting knee flexion and extension is provided with a first motor started. The drive shaft of the first fixed seat drives the screw rod to rotate. The screw rod rotates to drive the slide bar to slide along the thread groove and reverse thread groove on the side of the screw rod, so as to drive the sliding sleeve to slide along the side of the screw rod through the slide bar, thereby changing the distance between the rotating base and the assisting base. When the distance between the rotating base and the assisting base changes, the first fixed seat fixed on the side of the assisting base moves. The first rotating ball on the inner wall of the first fixed seat rotates. The rotation of the first rotating ball drives the first connecting rod to move. The movement of the first connecting rod drives the first telescopic rod to move, so as to assist in supporting the side of the knee joint during flexion and extension, disperse the force on the knee joint, which is beneficial for knee joint flexion and extension, and thus correct the posture of the knee joint.

[0014] 4. The knee orthosis for assisting knee flexion and extension is provided with a rotating handle. The rotating handle drives the adjustment seat to rotate. The rotation of the adjustment seat changes the depth of the adjustment seat on the side of the fixed threaded cylinder, thereby driving the adjustment seat to approach or move away from the side of the third fixed seat. The adjustment seat drives the sliding rod to move. The movement of the sliding rod changes the distance between the first telescopic rod and the rotating base, thereby changing the supporting moment between the first telescopic rod and the knee rotation center, which is beneficial for corresponding adjustments according to different situations, thus improving the versatility of the device.

[0015] 5. The knee orthosis for assisting knee flexion and extension is provided with a first spring to reduce the probability of the adjustment seat rotating autonomously during knee flexion and extension, and to increase the degree of freedom to a certain extent through the cooperation between the second rotating ball and the third fixed seat, thereby avoiding jamming caused by different situations during use. The limiting rod slides inside the screw rod to limit the relative position between the screw rod and the sliding sleeve, thereby avoiding the problem of excessive extension.

[0016] 6. The knee orthosis for assisting knee flexion and extension is provided with a front fixed shell and a rear fixed shell. The calf is placed between the front fixed shell and the rear fixed shell, and the calf is squeezed and fixed through the cooperation of multiple groups of vertical water bags, thereby squeezing and warming the inner muscles of the calf, softening the muscles and relaxing the fascia. The calf is fixed between the rear fixed shell and the front fixed shell by rotating the curved connecting rod between the front fixed shell and the rear fixed shell and using a fastening belt (fastening belt). Moreover, the outlet directions on the sides of the rear fixed shell and the front fixed shell are perpendicular to the outlet direction of the fixed outer shell, which is beneficial for fixing the calf between the rear fixed shell and the front fixed shell after the calf is placed, so as to perform knee flexion and extension. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic structural diagram of the knee orthosis for assisting knee flexion and extension of the present invention; Figure 2 It is a schematic structural diagram of the thigh component of the present invention; Figure 3 It is a schematic structural diagram of the linkage component of the present invention; Figure 4 It is a schematic structural diagram of the circulation component of the present invention; Figure 5 It is a schematic structural diagram of the assisting device of the present invention; Figure 6 It is a schematic structural diagram of the assisting component of the present invention; Figure 7 It is a schematic diagram of the internal structure of the assisting component of the present invention; Figure 8 It is a schematic structural diagram of the assisting component of the present invention; Figure 9 It is a schematic structural diagram of the calf component of the present invention.

[0018] In the figure: 1. Thigh component; 2. Boosting device; 3. Calf component; 101. Fixed outer shell; 102. First fixed shaft; 103. Fixing strap; 104. Fixed sponge; 105. Second fixed shaft; 106. Side water bag; 107. Knee joint water bag; 108. Linkage component; 1081. Water storage outer shell; 1082. Limit bracket; 1083. Hydraulic outer shell; 1084. Circulation component; 1085. First water pipe; 10841. Water pump outer shell; 10842. Impeller pump; 10843. Heating rod; 10844. Water inlet pipe; 10845. Water outlet pipe; 201. Boosting base; 202. Boosting component; 203. First fixed seat; 204. First rotating ball; 205. First connecting rod; 206. First telescopic rod; 207. Sliding rod; 208. Adjusting component; 2021. Rotating base; 2022. Motor bracket; 2023. First motor; 2024. Screw rod; 2025. Reverse thread groove; 2026. Sliding sleeve; 2027. Slide bar; 2028. Limit rod; 2029. Second fixed seat; 2081. Third fixed seat; 2082. Second rotating ball; 2083. Fixed threaded cylinder; 2084. Limit ring; 2085. Adjusting screw; 2086. Adjusting seat; 2087. Rotating handle; 2088. First spring; 301. Rear fixed shell; 302. Rotating seat; 303. Curved connecting rod; 304. Front fixed shell; 305. Vertical water bag; 306. Second water pipe; 307. Connecting pipe; 308. Fastening strap. Detailed implementation manners

[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0020] Please refer to Figure 1 - Figure 2 , the present invention provides a technical solution: a knee joint orthosis for assisting knee flexion and extension, including a thigh component 1, a boosting device 2 is fixedly connected to the bottom of the thigh component 1, a calf component 3 is fixedly connected to the side of the boosting device 2, and the calf component 3 is arranged at a position below the boosting device 2.

[0021] The thigh component 1 fixes the thigh position, the assisting device 2 provides assisting support, and the calf component 3 supports the calf. Through the electric assistance of the assisting device 2, the thigh and the calf are driven to bend and straighten, thereby assisting the flexion and extension of the knee joint. And through the corresponding components on the thigh component 1, the muscles are heated and wrapped, thereby softening the fascia of the corresponding joints, which is beneficial to the flexion and extension of the joints and the stretching of the fascia. The calf component 3 is fixed to the calf by different fixing methods set with the thigh component 1, and is also heated and warmed during flexion and extension, so as to soften the muscles and facilitate the restoration of the knee joint.

[0022] The thigh component 1 includes a fixed outer shell 101. The top of the fixed outer shell 101 is fixedly connected with a first fixed shaft 102. A fixing belt 103 is sleeved and fixedly connected to the side of the first fixed shaft 102. The bottom of the fixing belt 103 is fixedly connected with a fixing sponge 104. The top of the fixed outer shell 101, on the side away from the first fixed shaft 102, is fixedly connected with a second fixed shaft 105. The side wall of the inner part of the fixed outer shell 101 is fixedly connected with a side water bag 106. The side of the side water bag 106 is communicated with a knee joint water bag 107. The bottom of the inner wall of the fixed outer shell 101 is fixedly connected with a linkage component 108. The bottom of the fixed outer shell 101 is fixedly connected with the top of the assisting device 2.

[0023] The fixed outer shell 101 wraps the side of the thigh. When the thigh is placed inside the fixed outer shell 101, the weight of the muscle presses on the top of the linkage component 108, thereby driving the side of the side water bag 106 to expand through the linkage component 108, so as to fix the muscle on the side of the thigh. After the thigh is placed, manually operate the fixing belt 103 to fix the top of the thigh, so that the thigh muscle is fixed inside the fixed outer shell 101, and the thigh is fixed by the extrusion of the fixing sponge 104 to prevent loosening in the up and down directions. At the same time, the side water bag 106 is communicated with the knee joint water bag 107. When the side water bag 106 expands, it drives the knee joint water bag 107 to expand. The liquid inside the side water bag 106 passes through the inside of the knee joint water bag 107. The knee joint water bag 107 is arranged near the knee to perform targeted heating and wrapping on the area near the knee, thereby softening the fascia and relaxing the muscles, which is beneficial to the flexion and extension of the knee joint.

[0024] Please refer to Figure 1 - Figure 4, the present invention provides a technical solution: The linkage component 108 includes a water storage outer shell 1081. A limiting bracket 1082 is fixedly connected to the top of the inner wall of the water storage outer shell 1081. A hydraulic outer shell 1083 is slidably connected to the inner wall of the limiting bracket 1082. The bottom of the water storage outer shell 1081 is communicated with a circulation component 1084. A first water pipe 1085 is communicated with the circulation component 1084. One end of the first water pipe 1085 away from the circulation component 1084 is communicated with the inner wall of the side water bag 106. The bottom of the water storage outer shell 1081 is fixedly connected to the bottom of the inner wall of the fixed outer shell 101.

[0025] The circulation component 1084 includes a water pump outer shell 10841. An impeller pump 10842 is fixedly connected to the bottom of the inner wall of the water pump outer shell 10841. A heating rod 10843 is fixedly connected to the side of the impeller pump 10842. The water inlet end of the water pump outer shell 10841 is communicated with a water inlet pipe 10844. The water outlet end of the water pump outer shell 10841 is communicated with a water outlet pipe 10845. One end of the water outlet pipe 10845 away from the water pump outer shell 10841 is communicated with the first water pipe 1085.

[0026] The inside of the water storage outer shell 1081 is preset to be in a state of being full of water. When the thigh is placed on the top of the hydraulic outer shell 1083, the hydraulic outer shell 1083 descends, driving the liquid inside the water storage outer shell 1081 to pass through the water pump outer shell 10841, through the water outlet pipe 10845, to the first water pipe 1085 and into the inside of the side water bag 106, thereby driving the side water bag 106 to expand and squeeze and fix the side of the thigh. Start the impeller pump 10842, and the impeller pump 10842 drives the water flow to flow, thereby driving the water to pass through the inside of the water pump outer shell 10841, through the inside of the first water pipe 1085, into the side water bag 106 and along the pipeline through the inside of the calf component 3, thus realizing the water body circulation. While the impeller pump 10842 rotates, it drives the heating rod 10843 to rotate. Start the heating rod 10843, and the heating rod 10843 heats the water body. Compared with the traditional heating method, it avoids the heat accumulation and uneven heating caused by heating a single position. Heating is carried out during the flow of the water body to improve the heating efficiency, and the heat is transferred to different positions through the water body circulation.

[0027] Please refer to Figure 1 - Figure 8, the present invention provides a technical solution: The assisting device 2 includes an assisting base 201. A side of the assisting base 201 is fixedly connected to an assisting component 202. A first fixed seat 203 is fixedly connected to a position of the assisting base 201 on one side of the assisting component 202. A first rotating ball 204 is rotatably connected to an inner wall of the first fixed seat 203. A first connecting rod 205 is fixedly connected to a side of the first rotating ball 204. One end of the first connecting rod 205 away from the first rotating ball 204 is rotatably connected to a movable end of a first telescopic rod 206 through a rotating shaft. A fixed end of the first telescopic rod 206 is rotatably connected to a sliding rod 207 through a rotating shaft. One end of the sliding rod 207 away from the first telescopic rod 206 is slidably connected to an adjusting component 208. A top of the adjusting component 208 is fixedly connected to a bottom of the fixed housing 101. A side of the assisting base 201 is fixedly connected to a side of the calf component 3.

[0028] The assisting component 202 includes a rotating base 2021. A side of an inner wall of the rotating base 2021 is rotatably connected to a motor bracket 2022 through a rotating shaft. A first motor 2023 is fixedly connected to a bottom of an inner wall of the motor bracket 2022. A screw rod 2024 is fixedly connected to a driving shaft of the first motor 2023. An opposite reverse thread groove 2025 opposite to the screw rod 2024 is formed in a side of the screw rod 2024. The side of the screw rod 2024 communicates with the reverse thread groove 2025. A sliding sleeve 2026 is sleeved and slidably connected to a side of the screw rod 2024. A slide bar 2027 adapted to the reverse thread groove 2025 is rotatably connected to an inner wall of the sliding sleeve 2026 through a rotating shaft. A limiting rod 2028 is slidably connected to an inner wall of the screw rod 2024. A second fixed seat 2029 is fixedly connected to a bottom of the sliding sleeve 2026. A bottom of the limiting rod 2028 is fixedly connected to a top of the second fixed seat 2029. A side of the second fixed seat 2029 is fixedly connected to a side of the assisting base 201. A top of the rotating base 2021 is rotatably connected to a bottom of the fixed housing 101 through a rotating shaft.

[0029] The adjustment component 208 includes a third fixed seat 2081. A second rotating ball 2082 is rotatably connected to the inner wall of the third fixed seat 2081. A fixed threaded cylinder 2083 is fixedly connected to the side of the second rotating ball 2082. A limiting ring 2084 is sleeved and fixedly connected to the side of the fixed threaded cylinder 2083. An adjustment screw rod 2085 is threadedly connected to the side of the fixed threaded cylinder 2083. One end of the adjustment screw rod 2085 away from the fixed threaded cylinder 2083 is fixedly connected to an adjustment seat 2086. A rotating handle 2087 is fixedly connected to the side of the adjustment seat 2086. A first spring 2088 is fixedly connected to the side of the limiting ring 2084. One end of the first spring 2088 away from the limiting ring 2084 is fixedly connected to the side of the adjustment seat 2086. The top of the third fixed seat 2081 is fixedly connected to the bottom of the fixed housing 101. The end of the sliding rod 207 away from the first telescopic rod 206 is sleeved on the side of the adjustment seat 2086 and is slidably connected to the adjustment seat 2086.

[0030] Start the first motor 2023. The drive shaft of the first fixed seat 203 drives the screw 2024 to rotate. The rotation of the screw 2024 drives the slider 2027 to slide along the thread grooves and reverse thread grooves 2025 on the side of the screw 2024, thereby driving the sliding sleeve 2026 to slide along the side of the screw 2024 through the slider 2027, so as to change the distance between the rotating base 2021 and the assisting base 201. When the distance between the rotating base 2021 and the assisting base 201 changes, the first fixed seat 203 fixed to the side of the assisting base 201 moves, and the first rotating ball 204 on the inner wall of the first fixed seat 203 rotates. The rotation of the first rotating ball 204 drives the first connecting rod 205 to move, and the movement of the first connecting rod 205 drives the first telescopic rod 206 to move, so as to assist in supporting the side of the knee joint during flexion and extension, disperse the force on the knee joint, which is beneficial to the flexion and extension of the knee joint, and thus correct the posture of the knee joint. Rotate the rotating handle 2087. The rotation of the rotating handle 2087 drives the adjusting seat 2086 to rotate. The rotation of the adjusting seat 2086 changes the depth of the adjusting seat 2086 on the side of the fixed threaded cylinder 2083, so as to drive the adjusting seat 2086 to approach or move away from the side of the third fixed seat 2081. The adjusting seat 2086 drives the sliding rod 207 to move. The movement of the sliding rod 207 changes the distance between the first telescopic rod 206 and the rotating base 2021, so as to change the supporting moment of the first telescopic rod 206 and the knee rotation center, which is beneficial to making corresponding adjustments according to different situations, and thus improves the versatility of the device. The first spring 2088 is used to reduce the probability of the self-rotation of the adjusting seat 2086 during the flexion and extension of the knee joint, and through the cooperation between the second rotating ball 2082 and the third fixed seat 2081, a certain degree of freedom is increased, so as to avoid jamming caused by different situations during use. The limiting rod 2028 slides inside the screw 2024 to limit the relative position of the screw 2024 and the sliding sleeve 2026, so as to avoid the problem of over-extension.

[0031] Please refer to Figure 1 - Figure 9 As shown in, the present invention provides a technical solution: The calf assembly 3 includes a rear fixed shell 301. A rotating seat 302 is fixedly connected to the side of the rear fixed shell 301. The inner wall of the rotating seat 302 is rotatably connected to a curved connecting rod 303 through a rotating shaft. The curved connecting rod 303 is rotatably connected to a front fixed shell 304 through a rotating shaft. Vertical water bags 305 are fixedly connected to the inner wall sides of the rear fixed shell 301 and the front fixed shell 304. A second water pipe 306 is communicated with the side of the vertical water bag 305. A fastening belt 308 is fixedly connected to the side of the rear fixed shell 301. A communicating pipe 307 is communicated between multiple groups of vertical water bags 305. The second water pipe 306 is communicated with the bottom of the side water bag 106.

[0032] Put the calf between the front fixing shell 304 and the rear fixing shell 301, and squeeze and fix the calf through the cooperation between multiple groups of vertical water bags 305, so as to squeeze and warm the inner muscles of the calf, soften the muscles and relax the fascia. Rotate through the curved connecting rod 303 between the front fixing shell 304 and the rear fixing shell 301, and use the fastening belt 308 to fix, so that the calf is fixed between the rear fixing shell 301 and the front fixing shell 304, and the outlet directions on the sides of the rear fixing shell 301 and the front fixing shell 304 are perpendicular to the outlet direction of the fixing outer shell 101, which is beneficial to fix the calf between the rear fixing shell 301 and the front fixing shell 304 after it is put in, so as to perform knee joint flexion and extension.

[0033] Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. All other embodiments obtained by those of ordinary skill in the art and related fields based on the embodiments of the present invention without creative work shall fall within the scope of protection of the present invention. The structures, devices and operation methods not specifically described and explained in the present invention, unless otherwise specified and limited, are implemented according to the conventional means in the art.

Claims

1. A knee orthosis for assisting knee flexion and extension, characterized in that: It includes a thigh component (1), a power assist device (2) is fixedly connected to the bottom of the thigh component (1), a calf component (3) is fixedly connected to the side of the power assist device (2), and the calf component (3) is arranged at a position below the power assist device (2); The thigh component (1) includes a fixed outer shell (101), a first fixed shaft (102) is fixedly connected to the top of the fixed outer shell (101), a fixed belt (103) is sleeved and fixedly connected to the side of the first fixed shaft (102), a fixed sponge (104) is fixedly connected to the bottom of the fixed belt (103), a second fixed shaft (105) is fixedly connected to one side of the top of the fixed outer shell (101) away from the first fixed shaft (102), a side water bag (106) is fixedly connected to the inner wall side of the fixed outer shell (101), a knee joint water bag (107) is communicated with the side of the side water bag (106), a linkage component (108) is fixedly connected to the inner wall bottom of the fixed outer shell (101), and the bottom of the fixed outer shell (101) is fixedly connected to the top of the power assist device (2).

2. The knee joint orthosis for assisting knee flexion and extension according to claim 1, characterized in that: The linkage component (108) includes a water storage outer shell (1081), a limit bracket (1082) is fixedly connected to the inner wall top of the water storage outer shell (1081), a hydraulic outer shell (1083) is slidably connected to the inner wall of the limit bracket (1082), a circulation component (1084) is communicated with the bottom of the water storage outer shell (1081), a first water pipe (1085) is communicated with the circulation component (1084), and one end of the first water pipe (1085) away from the circulation component (1084) is communicated with the inner wall of the side water bag (106), and the bottom of the water storage outer shell (1081) is fixedly connected to the inner wall bottom of the fixed outer shell (101).

3. The knee orthosis for assisting knee flexion and extension according to claim 2, characterized in that: The circulation component (1084) includes a water pump outer shell (10841), an impeller pump (10842) is fixedly connected to the inner wall bottom of the water pump outer shell (10841), a heating rod (10843) is fixedly connected to the side of the impeller pump (10842), a water inlet pipe (10844) is communicated with the water inlet end of the water pump outer shell (10841), a water outlet pipe (10845) is communicated with the water outlet end of the water pump outer shell (10841), and one end of the water outlet pipe (10845) away from the water pump outer shell (10841) is communicated with the first water pipe (1085).

4. A knee orthosis for assisting knee flexion and extension according to claim 1, characterized in that: The assist device (2) includes an assist base (201). A side of the assist base (201) is fixedly connected to an assist component (202). A first fixed seat (203) is fixedly connected to a position of the assist base (201) on one side of the assist component (202). A first rotating ball (204) is rotatably connected to an inner wall of the first fixed seat (203). A first connecting rod (205) is fixedly connected to a side of the first rotating ball (204). One end of the first connecting rod (205) away from the first rotating ball (204) is rotatably connected to a movable end of a first telescopic rod (206) through a rotating shaft. A fixed end of the first telescopic rod (206) is rotatably connected to a sliding rod (207) through a rotating shaft. One end of the sliding rod (207) away from the first telescopic rod (206) is slidably connected to an adjustment component (208). A top of the adjustment component (208) is fixedly connected to a bottom of the fixed housing (101). A side of the assist base (201) is fixedly connected to a side of the calf component (3).

5. The knee orthosis for knee flexion and extension assistance according to claim 4, characterized in that: The assist component (202) includes a rotating base (2021). A side of an inner wall of the rotating base (2021) is rotatably connected to a motor bracket (2022) through a rotating shaft. A first motor (2023) is fixedly connected to a bottom of an inner wall of the motor bracket (2022). A screw rod (2024) is fixedly connected to a driving shaft of the first motor (2023). A reverse thread groove (2025) opposite to the screw rod (2024) is formed in a side of the screw rod (2024). The side of the screw rod (2024) communicates with the reverse thread groove (2025). A sliding sleeve (2026) is sleeved and slidably connected to the side of the screw rod (2024). A sliding bar (2027) adapted to the reverse thread groove (2025) is rotatably connected to an inner wall of the sliding sleeve (2026) through a rotating shaft. A limiting rod (2028) is slidably connected to an inner wall of the screw rod (2024). A second fixed seat (2029) is fixedly connected to a bottom of the sliding sleeve (2026). A bottom of the limiting rod (2028) is fixedly connected to a top of the second fixed seat (2029).

6. The knee joint orthosis for assisting knee flexion and extension according to claim 5, characterized in that: A side of the second fixed seat (2029) is fixedly connected to a side of the assist base (201). A top of the rotating base (2021) is rotatably connected to a bottom of the fixed housing (101) through a rotating shaft.

7. The knee joint orthosis for assisting knee flexion and extension according to claim 4, characterized in that: The adjustment component (208) includes a third fixed seat (2081). A second rotating ball (2082) is rotatably connected to the inner wall of the third fixed seat (2081). A fixed threaded cylinder (2083) is fixedly connected to the side of the second rotating ball (2082). A limiting ring (2084) is sleeved and fixedly connected to the side of the fixed threaded cylinder (2083). An adjustment screw rod (2085) is threadedly connected to the side of the fixed threaded cylinder (2083). One end of the adjustment screw rod (2085) away from the fixed threaded cylinder (2083) is fixedly connected to an adjustment seat (2086). A rotating handle (2087) is fixedly connected to the side of the adjustment seat (2086). A first spring (2088) is fixedly connected to the side of the limiting ring (2084). One end of the first spring (2088) away from the limiting ring (2084) is fixedly connected to the side of the adjustment seat (2086).

8. The knee joint orthosis for assisting knee flexion and extension according to claim 7, characterized in that: The top of the third fixed seat (2081) is fixedly connected to the bottom of the fixed outer shell (101). One end of the sliding rod (207) away from the first telescopic rod (206) is sleeved on the side of the adjustment seat (2086) and is slidably connected to the adjustment seat (2086).

9. The knee joint orthosis for assisting knee flexion and extension according to claim 1, characterized in that: The calf component (3) includes a rear fixed shell (301). A rotating seat (302) is fixedly connected to the side of the rear fixed shell (301). A curved connecting rod (303) is rotatably connected to the inner wall of the rotating seat (302) through a rotating shaft. The curved connecting rod (303) is rotatably connected to a front fixed shell (304) through a rotating shaft. Vertical water bags (305) are fixedly connected to the inner wall sides of the rear fixed shell (301) and the front fixed shell (304). A second water pipe (306) is communicated with the side of the vertical water bag (305). A fastening belt (308) is fixedly connected to the side of the rear fixed shell (301). A communicating pipe (307) is communicated between multiple groups of the vertical water bags (305). The second water pipe (306) is communicated with the bottom of the side water bag (106).

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