Knee joint bionic rehabilitation nursing power assisting device

Abstract

The invention discloses a knee joint bionic rehabilitation nursing power assisting device, and relates to the technical field of knee joint rehabilitation nursing. The device comprises a thigh binding and fixing plate, a shank binding and fixing plate and a rotating bearing, the shank binding and fixing plate is connected with the thigh binding and fixing plate through the rotating bearing, a driving device is arranged at the rear end of the thigh binding and fixing plate, and a control panel is arranged on the side face of the thigh binding and fixing plate. By arranging a convenient binding mechanism, when a user needs to bind the whole device with the legs, an insertion block at one end of a binding band can be inserted into an insertion groove in the front end of a fixing cylinder at the other end of the binding band, and at the moment, an arc-shaped block can be clamped into a clamping groove to enable the binding band to form a closed loop to be bound with the legs of the user; when unbinding is needed, the pull rods at the upper end and the lower end of the fixing cylinder are pulled at the same time, the inserting block can automatically pop out of the inserting groove, and the knee joint injury patient can use the device more conveniently.

Description

Technical Field

[0001] The invention belongs to the technical field of knee joint rehabilitation care, and in particular relates to a knee joint bionic rehabilitation care assisting device. Background Art

[0002] The knee joint is the main weight-bearing joint in the human body and is also a high-incidence site for osteoarthritis. If the knee cartilage degenerates or bone hyperplasia occurs, knee osteoarthritis will develop, and you need to go to the hospital for treatment. The knee joint needs a certain period of rehabilitation care after treatment.

[0003] The patent document with publication number CN115252379A discloses a knee joint power-assisting leg-binding device based on motion control, comprising: straps, which are arranged at intervals on the back of a thigh strap fixing plate and a calf strap fixing plate; a pneumatic muscle assembly, which is arranged opposite to the straps and vertically arranged on the surface of the thigh strap fixing plate on the left and right sides, and a steel wire rope is arranged at the bottom of the left and right pneumatic muscle assemblies; a turntable bearing, which can rotatably connect the thigh strap fixing plate and the calf strap fixing plate to achieve relative movement. In the above application document, the calf strap and thigh strap are bound to the user's legs to fix the entire device on the user's legs. The binding operation is relatively cumbersome, which is not conducive to use by patients with knee joint injuries and needs to be improved. Summary of the invention

[0004] The purpose of the present invention is to provide a knee joint bionic rehabilitation nursing assisting device, which solves the existing problems by providing a convenient binding mechanism.

[0005] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0006] The present invention is a knee joint bionic rehabilitation nursing assisting device, comprising a thigh binding fixing plate, a calf binding fixing plate and a rotating bearing, wherein the calf binding fixing plate is connected to the thigh binding fixing plate through the rotating bearing, a driving device is arranged at the rear end of the thigh binding fixing plate, a control panel is arranged at the side of the thigh binding fixing plate, the driving device is electrically connected to the control panel through a built-in wire, a signal receiving rod is arranged at the top of the control panel, convenient binding mechanisms are arranged at the front ends of the thigh binding fixing plate and the calf binding fixing plate, air blowing and cooling mechanisms are arranged at both sides of the thigh binding fixing plate, and the convenient binding mechanism comprises a strap, One end of the strap is fixedly connected to a fixed cylinder, the other end of the strap is fixedly connected to an insertion block, a slot is provided at the front end of the fixed cylinder, a pop-up spring is fixedly connected to the inner wall of the slot, a pop-up plate is slidably connected to the inside of the slot via the pop-up spring, grooves are provided on the top inner wall and the bottom inner wall of the slot, a telescopic spring is fixedly connected to the inner wall of the groove, an arc block is slidably connected to the inside of the groove via the telescopic spring, a pull rod is fixedly connected to one end of the arc block close to the inside of the groove, the pull rod is slidably connected to the fixed cylinder, slots are provided at the top and bottom of the insertion block, and a dustproof mechanism is provided inside the insertion block.

[0007] Furthermore, there are four straps in total, and each group of two straps are fixedly connected to the front ends of the thigh binding fixing plate and the calf binding fixing plate, and are bound to the user's thighs and calves through the four straps, so that the entire device is firmly bound to the user's legs.

[0008] Furthermore, the size of the insertion block matches the size of the slot, the opening size of the groove is equal to the opening size of the card slot, the insertion block can be inserted into the slot, and the arc block can be inserted into the card slot.

[0009] Furthermore, the depth of the groove is greater than the length of the arc block, the arc surface of the arc block faces rightward, the arc block can be completely retracted into the groove, and the arc surface of the arc block will move into the groove when squeezed.

[0010] Furthermore, the dust-proof mechanism includes a pneumatic chamber, which is fixedly connected to the inside of the insertion block, and the inner wall at one end of the pneumatic chamber is piston-slidingly connected to a connecting rod, and the end of the connecting rod away from the pneumatic chamber is fixedly connected to a magnetic block, and the inner walls at both ends of the pneumatic chamber away from the connecting rod are piston-slidingly connected to push rods, and the end of the push rod away from the pneumatic chamber is fixedly connected to a closing plate, and a return spring is sleeved on the surface of the push rod.

[0011] Furthermore, the pop-up plate is made of ferromagnetic stainless steel, and the magnetic block is completely inside the insertion block in the initial state. When the insertion block contacts the stainless steel pop-up plate, the magnetic block moves outside the insertion block and is adsorbed onto the pop-up plate.

[0012] Furthermore, the closing plate is in the card slot, and the top of the closing plate is initially on the same plane as the top of the card slot opening. The closing plate will initially close the opening of the card slot to prevent dust from entering. After the closing plate moves downward, the opening of the card slot will be opened without affecting the insertion of the arc block.

[0013] Furthermore, the air blowing and cooling mechanism includes a fixed plate, a sliding plate and a mounting plate, the top of the fixed plate is fixedly connected with a controller and a compression spring, the top of the controller is electrically connected with an induction switch, the end of the compression spring away from the fixed plate is fixedly connected with the bottom of the sliding plate, the top of the sliding plate is fixedly connected with a moisture-absorbing block, the mounting plate is fixedly connected to the rear end of the thigh binding fixing plate, the front end of the mounting plate is provided with an electric fan, and the electric fan is electrically connected to the controller through a wire.

[0014] Furthermore, the moisture absorbing block is made of sponge material, and the induction switch is located directly below the sliding plate. The moisture absorbing block made of sponge material becomes heavier after absorbing sweat, and the sliding plate moves downward to contact the induction switch.

[0015] The present invention has the following beneficial effects:

[0016] 1. The present invention is provided with a convenient binding mechanism, so that when the user needs to bind the whole device to the leg, the insertion block at one end of the strap can be inserted into the slot at the front end of the fixed tube at the other end of the strap. At this time, the arc block will be stuck in the slot to make the strap form a closed loop to bind the user's leg. When it needs to be untied, it only needs to pull the pull rods at the upper and lower ends of the fixed tube at the same time, and the insertion block will automatically pop out of the slot, which is more convenient for patients with knee injuries to use.

[0017] 2. The present invention is provided with a dustproof mechanism, so that the closing plate will close the card slot to prevent the entry of dust at the beginning, and when the insertion block is inserted into the slot and contacts the pop-up plate, the closing plate will move into the card slot to open the card slot opening so as not to affect the insertion of the arc block. It plays a dustproof role when the insertion block is not inserted into the slot, preventing dust from accumulating in the slot and affecting use.

[0018] 3. The present invention is provided with an air blowing and cooling mechanism, so that when the user's legs sweat after long-term rehabilitation exercise using the device, the sliding block will automatically move downward and contact the induction switch, so that the controller turns on the electric fan to blow air to cool the user's legs, thereby improving the user's comfort.

[0019] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0021] Figure 1 It is a three-dimensional front view of the overall structure of the present invention;

[0022] Figure 2 It is a three-dimensional back view of the overall structure of the present invention;

[0023] Figure 3 A three-dimensional schematic diagram of the convenient binding mechanism structure of the present invention;

[0024] Figure 4 A three-dimensional cross-sectional view of the convenient binding mechanism structure of the present invention;

[0025] Figure 5 For the present invention Figure 4 A three-dimensional enlarged view of the structure at A in the middle;

[0026] Figure 6 For the present invention Figure 4 A three-dimensional enlarged view of the structure at B in the middle;

[0027] Figure 7 A three-dimensional schematic diagram of the dustproof mechanism structure of the present invention;

[0028] Figure 8 It is a three-dimensional schematic diagram of the structure of the air blowing and cooling mechanism of the present invention.

[0029] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0030] 1. Thigh binding fixing plate; 2. Calf binding fixing plate; 3. Rotating bearing; 4. Driving device; 5. Control panel; 6. Signal receiving rod; 7. Convenient binding mechanism; 71. Strap; 72. Fixing tube; 73. Slot; 74. Pop-up spring; 75. Pop-up plate; 76. Groove; 77. Telescopic spring; 78. Arc block; 79. Pull rod; 710. Insert block; 711. Card slot; 8. Dust-proof mechanism; 81. Air pressure chamber; 82. Connecting rod; 83. Magnetic block; 84. Push rod; 85. Closing plate; 86. Reset spring; 9. Blowing and cooling mechanism; 91. Fixing plate; 92. Sliding plate; 93. Moisture absorbing block; 94. Compression spring; 95. Controller; 96. Induction switch; 97. Mounting plate; 98. Electric fan. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] See also Figure 1-8 The present invention is a knee joint bionic rehabilitation nursing assisting device, comprising a thigh binding fixing plate 1, a calf binding fixing plate 2 and a rotating bearing 3, the calf binding fixing plate 2 is connected to the thigh binding fixing plate 1 through the rotating bearing 3, a driving device 4 is arranged at the rear end of the thigh binding fixing plate 1, a control panel 5 is arranged on the side of the thigh binding fixing plate 1, the driving device 4 is electrically connected to the control panel 5 through a built-in wire, a signal receiving rod 6 is arranged on the top of the control panel 5, a convenient binding mechanism 7 is arranged at the front end of the thigh binding fixing plate 1 and the calf binding fixing plate 2, a blowing cooling mechanism 9 is arranged on both sides of the thigh binding fixing plate 1, the convenient binding mechanism 7 comprises a strap 71, one end of the strap 71 is fixedly connected with a fixed The fixed cylinder 72 and the other end of the binding band 71 are fixedly connected with an insertion block 710, a slot 73 is provided at the front end of the fixed cylinder 72, a pop-up spring 74 is fixedly connected to the inner wall of the slot 73, a pop-up plate 75 is slidably connected to the inside of the slot 73 through the pop-up spring 74, grooves 76 are provided on the top inner wall and the bottom inner wall of the slot 73, a telescopic spring 77 is fixedly connected to the inner wall of the groove 76, an arc block 78 is slidably connected to the inside of the groove 76 through the telescopic spring 77, a pull rod 79 is fixedly connected to the end of the arc block 78 close to the inside of the groove 76, the pull rod 79 is slidably connected to the fixed cylinder 72, a card slot 711 is provided at the top and bottom of the insertion block 710, and a dustproof mechanism 8 is arranged inside the insertion block 710.

[0033] There are four straps 71 in total, and each group of two straps 71 is fixedly connected to the front end of the thigh binding fixing plate 1 and the calf binding fixing plate 2 respectively. The four straps 71 are bound to the user's thigh and calf, so that the entire device is firmly bound to the user's leg.

[0034] The size of the insertion block 710 matches the size of the slot 73 , the opening size of the groove 76 is equal to the opening size of the card slot 711 , the insertion block 710 can be inserted into the slot 73 , and the arc block 78 can be inserted into the card slot 711 .

[0035] The depth of the groove 76 is greater than the length of the arc block 78 , and the arc surface of the arc block 78 faces rightward. The arc block 78 can be completely retracted into the groove 76 , and the arc surface of the arc block 78 will move into the groove 76 when squeezed.

[0036] The dust-proof mechanism 8 includes a pneumatic chamber 81, which is fixedly connected to the inside of the insertion block 710. The inner wall at one end of the pneumatic chamber 81 is piston-slidingly connected to a connecting rod 82. The end of the connecting rod 82 away from the pneumatic chamber 81 is fixedly connected to a magnetic block 83. The inner walls at both ends of the pneumatic chamber 81 away from the connecting rod 82 are piston-slidingly connected to push rods 84. The end of the push rod 84 away from the pneumatic chamber 81 is fixedly connected to a closing plate 85. A return spring 86 is sleeved on the surface of the push rod 84.

[0037] The pop-up plate 75 is made of ferromagnetic stainless steel. In the initial state, the magnetic block 83 is completely inside the insertion block 710. When the insertion block 710 contacts the stainless steel pop-up plate 75, the magnetic block 83 moves outside the insertion block 710 and is adsorbed onto the pop-up plate 75.

[0038] The closing plate 85 is in the card slot 711, and the top of the closing plate 85 is initially on the same plane as the top of the opening of the card slot 711. The closing plate 85 will initially close the opening of the card slot 711 to prevent dust from entering. After the closing plate 85 moves downward, the opening of the card slot 711 will be opened without affecting the insertion of the arc block 78.

[0039] The air blowing and cooling mechanism 9 includes a fixed plate 91, a sliding plate 92 and a mounting plate 97. The top of the fixed plate 91 is fixedly connected to a controller 95 and a compression spring 94. The top of the controller 95 is electrically connected to an induction switch 96. The end of the compression spring 94 away from the fixed plate 91 is fixedly connected to the bottom of the sliding plate 92. The top of the sliding plate 92 is fixedly connected to a moisture-absorbing block 93. The mounting plate 97 is fixedly connected to the rear end of the thigh binding fixing plate 1. The front end of the mounting plate 97 is provided with an electric fan 98, and the electric fan 98 is electrically connected to the controller 95 through a wire.

[0040] The moisture absorbing block 93 is made of sponge material, and the induction switch 96 is located directly below the sliding plate 92 . The moisture absorbing block 93 made of sponge material becomes heavier after absorbing sweat, and the sliding plate 92 moves downward to contact the induction switch 96 .

[0041] A specific application of this embodiment is: insert the insertion block 710 at one end of the strap 71 into the slot 73 at the front end of the fixing tube 72 at the other end of the strap 71, the insertion block 710 contacts the pop-up plate 75 and drives the pop-up plate 75 to move, the pop-up spring 74 is gradually tightened, and at the beginning, the arc surface of the arc block 78 is squeezed and retracted into the groove 76, the telescopic spring 77 is tightened, and when the slot 711 fits with the groove 76, the telescopic spring 77 rebounds and drives the arc block 78 to snap into the slot 711. At this time, the two ends of the strap 71 form a closed loop that cannot be separated, and the four straps 71 can be used to bind the user's thigh and calf, so that The whole device is firmly bound to the user's leg. At this time, the driving device 4 can be turned on through the control panel 5 to assist the user in performing rehabilitation exercises for the knee joint. When it is necessary to unbind, the pull rods 79 at the upper and lower ends of the fixing tube 72 are pulled, and the pull rods 79 drive the arc block 78 to leave the card slot 711 and retract into the groove 76. At this time, the pop-up spring 74 rebounds and drives the pop-up plate 75 to move and push the insertion block 710 out of the slot 73 to complete the separation. Before binding, the closing plate 85 will close the card slot 711 to prevent dust from entering. When the insertion block 710 contacts the stainless steel pop-up plate 75, the magnetic block 83 will move toward the insertion block 710. The insertion block 710 moves outward and is adsorbed on the pop-up plate 75, the magnetic block 83 moves outward and drives the connecting rod 82 to move outward, the connecting rod 82 moves outward and drives the push rods 84 at the other two ends to move into the air pressure chamber 81 through the air pressure in the air pressure chamber 81, the push rods 84 move into the air pressure chamber 81 and drive the closing plate 85 to move into the slot 711 to open the slot 711 so as not to affect the insertion of the arc block 78, the return spring 86 is tightened, and when the insertion block 710 is pulled away from the pop-up plate 75, the return spring 86 rebounds and drives the push rod 84 and the closing plate 85 to recover and close the slot 711 again. The slot 73 plays a dust-proof role to prevent dust accumulation in the slot 73 and affect the use. When the user sweats in the legs after using the device for a long time for rehabilitation exercise, the sweat will soak the sponge-made moisture-absorbing block 93. At this time, the moisture-absorbing block 93 presses down the sliding plate 92, and the compression spring 94 is gradually tightened. The sliding plate 92 moves downward and contacts with the induction switch 96, so that the controller 95 turns on the electric fan 98 to blow air to cool the user's legs and improve the user's comfort. When the moisture in the moisture-absorbing block 93 is dried, the compression spring 94 rebounds and drives the sliding plate 92 to move upward and away from the induction switch 96, and the electric fan 98 is turned off.

[0042] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0043] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A knee joint bionic rehabilitation nursing assisting device, comprising a thigh binding fixing plate (1), a calf binding fixing plate (2) and a rotating bearing (3), characterized in that: The calf binding fixing plate (2) is connected to the thigh binding fixing plate (1) via a rotating bearing (3); a driving device (4) is provided at the rear end of the thigh binding fixing plate (1); a control panel (5) is provided on the side of the thigh binding fixing plate (1); the driving device (4) is electrically connected to the control panel (5) via an internal wire; a signal receiving rod (6) is provided on the top of the control panel (5); convenient binding mechanisms (7) are provided at the front ends of the thigh binding fixing plate (1) and the calf binding fixing plate (2); and air blowing and cooling mechanisms (9) are provided on both sides of the thigh binding fixing plate (1); The convenient binding mechanism (7) comprises a binding belt (71), one end of the binding belt (71) is fixedly connected to a fixing tube (72), the other end of the binding belt (71) is fixedly connected to an insertion block (710), a slot (73) is provided at the front end of the fixing tube (72), a pop-up spring (74) is fixedly connected to the inner wall of the slot (73), a pop-up plate (75) is slidably connected to the inside of the slot (73) via the pop-up spring (74), and a top inner wall and a bottom inner wall of the slot (73) are both provided with A groove (76) is provided, and a telescopic spring (77) is fixedly connected to the inner wall of the groove (76). An arc block (78) is slidably connected to the interior of the groove (76) via the telescopic spring (77). A pull rod (79) is fixedly connected to one end of the arc block (78) close to the interior of the groove (76). The pull rod (79) is slidably connected to the fixed cylinder (72). A card slot (711) is provided at the top and the bottom of the insertion block (710), and a dustproof mechanism (8) is provided inside the insertion block (710).

2. A knee joint bionic rehabilitation nursing assisting device according to claim 1, characterized in that: There are four binding straps (71) in total, and each group of two binding straps (71) are fixedly connected to the front ends of the thigh binding fixing plate (1) and the calf binding fixing plate (2) respectively.

3. A knee joint bionic rehabilitation nursing assisting device according to claim 2, characterized in that: The size of the insertion block (710) matches the size of the slot (73), and the opening size of the groove (76) is equal to the opening size of the card slot (711).

4. A knee joint bionic rehabilitation nursing assisting device according to claim 3, characterized in that: The depth of the groove (76) is greater than the length of the arc block (78), and the arc surface of the arc block (78) faces rightward.

5. A knee joint bionic rehabilitation nursing assisting device according to claim 4, characterized in that: The dustproof mechanism (8) includes an air pressure chamber (81), the air pressure chamber (81) is fixedly connected to the inside of the insertion block (710), the inner wall at one end of the air pressure chamber (81) is piston-slidingly connected to a connecting rod (82), the end of the connecting rod (82) away from the air pressure chamber (81) is fixedly connected to a magnetic block (83), the inner walls at both ends of the air pressure chamber (81) away from the connecting rod (82) are piston-slidingly connected to push rods (84), the end of the push rod (84) away from the air pressure chamber (81) is fixedly connected to a closing plate (85), and the surface of the push rod (84) is sleeved with a return spring (86).

6. A knee joint bionic rehabilitation nursing assisting device according to claim 5, characterized in that: The ejection plate (75) is made of stainless steel with ferromagnetism, and the magnetic block (83) is completely located inside the insertion block (710) in the initial state.

7. A knee joint bionic rehabilitation nursing assisting device according to claim 6, characterized in that: The closing plate (85) is located in the slot (711), and in an initial state, the top of the closing plate (85) is on the same plane as the top of the opening of the slot (711).

8. The knee joint bionic rehabilitation nursing assisting device according to claim 7, characterized in that: The air blowing and cooling mechanism (9) comprises a fixed plate (91), a sliding plate (92) and a mounting plate (97); the top of the fixed plate (91) is fixedly connected to a controller (95) and a compression spring (94); the top of the controller (95) is electrically connected to an induction switch (96); one end of the compression spring (94) away from the fixed plate (91) is fixedly connected to the bottom of the sliding plate (92); the top of the sliding plate (92) is fixedly connected to a moisture absorbing block (93); the mounting plate (97) is fixedly connected to the rear end of the thigh binding fixing plate (1); the front end of the mounting plate (97) is provided with an electric fan (98); the electric fan (98) is electrically connected to the controller (95) through a wire.

9. The knee joint bionic rehabilitation nursing assisting device according to claim 8, characterized in that: The moisture absorbing block (93) is made of sponge material, and the induction switch (96) is located directly below the sliding plate (92).

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