CN217339246U - Finger rehabilitation training device - Google Patents
Finger rehabilitation training device Download PDFInfo
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- CN217339246U CN217339246U CN202220238459.5U CN202220238459U CN217339246U CN 217339246 U CN217339246 U CN 217339246U CN 202220238459 U CN202220238459 U CN 202220238459U CN 217339246 U CN217339246 U CN 217339246U
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Abstract
The utility model relates to a finger rehabilitation training device, which comprises a glove and a hand fixing bandage, wherein the four fingers of the glove are provided with sheet bodies made of magnetic metal, the sheet bodies are magnetically connected with a finger stretching mechanism, the bottom of the finger stretching mechanism is provided with a supporting plate, and the lower part of the supporting plate is provided with a base; an angle adjusting mechanism is arranged in the shell and fixed with a supporting plate, and the supporting plate is hinged with the base; the supporting plate is provided with two U-shaped grooves, and finger stretching mechanisms are arranged in the U-shaped grooves; the finger stretching mechanism comprises a fixed shell and a push-out shell, wherein a spring, a first electromagnet and a second electromagnet are sequentially arranged between the fixed shell and the push-out shell, and the spring is of a spring-shaped structure made of a memory metal material. The utility model discloses a finger extension mechanism combines the spring that the memory metal material was made when utilizing electromagnet to realize that the finger is crooked, stretched to increase the training effect of finger, and the lower part of layer board is provided with base and angle adjustment mechanism, and the physiological structure who accords with human arm has improved the comfort level of using.
Description
Technical Field
The utility model relates to a finger rehabilitation physiotherapy field, concretely relates to finger rehabilitation training equipment.
Background
According to investigation, 80% of patients suffering from cerebrovascular diseases are treated to leave hemiplegia sequelae, the hemiplegia sequelae mostly accompany with the movement dysfunction of fingers, so that the fingers of the patients cannot stretch normally, and meanwhile, people suffering from hand movement dysfunction due to various sudden accidents also face the problems, and in order to try to improve the rehabilitation effect of the patients, the finger rehabilitation training equipment becomes a new treatment means besides artificial rehabilitation training;
the existing finger rehabilitation training device has the following problems:
(1) the portable finger joint is inconvenient to carry, and a plurality of cylinders and motors are required to be arranged if the finger part is driven to stretch, so that the weight and the size of the equipment are increased, and the portability of the equipment is reduced.
(2) Safety is difficult to control, and most of current finger rehabilitation instruments are designed to be rigid structures, only partially designed and flexible materials are adopted, but the finger rehabilitation instruments are only limited to parts for driving and fixing. By adopting a rigid structure, the skin is damaged to a certain extent, the use danger exists, and once the device breaks down, great harm is caused to the fingers of a patient.
(3) The cost is high, the cost of special equipment is higher, and the popularization and the application of the rehabilitation equipment are limited.
In order to solve the problems, the inventor designs a finger joint rehabilitation training mechanism with the publication number of CN110269780A, magnetic force is generated by an electromagnet, and the effect of stretching and drawing back fingers is achieved by changing the magnetism of the electromagnet to attract or repel the gloves sleeved on the rehabilitation fingers, so that the effect of rehabilitation training is achieved.
Because the magnetic force can be attenuated extremely along with the increase of the distance, the finger joint rehabilitation training mechanism is optimized for further improving the treatment experience.
Disclosure of Invention
The utility model provides a solve above-mentioned problem, provide a finger rehabilitation training device, be provided with the layer board that is used for placing the arm, install finger extension mechanism on the layer board, finger extension mechanism combines the spring that the memory metal material was made when utilizing electromagnet to realize that the finger is bent, stretched to increase the training effect of finger, and the lower part of layer board is provided with base and angle adjustment mechanism, and the physiological structure who accords with human arm has improved the comfort level of using.
In order to realize the purpose, the technical scheme of the utility model is that:
a finger rehabilitation training device comprises gloves and a hand fixing binding belt, wherein sheet bodies made of magnetic metal are fixedly arranged at the finger belly positions of four fingers of the gloves, the sheet bodies are magnetically connected with a finger stretching mechanism, a supporting plate is arranged at the bottom of the finger stretching mechanism, and a base is arranged at the lower part of the supporting plate;
the base comprises a shell, the shell is of a hollow fan-shaped structure, an angle adjusting mechanism is arranged in the shell, the angle adjusting mechanism is fixed with a supporting plate, and the supporting plate is hinged with the base;
the supporting plate is a U-shaped plate body, the two straight line sections of the supporting plate are both provided with small arm supporting base plates, the bending section position of the supporting plate is symmetrically provided with two horseshoe-shaped grooves along the central line of the supporting plate, and finger extension mechanisms are arranged in the horseshoe-shaped grooves;
the finger stretching mechanism comprises a fixed shell and a push-out shell, the fixed shell is fixed with the front semicircular arc end of the U-shaped groove, a spring, a first electromagnet and a second electromagnet are sequentially arranged between the fixed shell and the push-out shell, the spring is of a spring-shaped structure made of memory metal materials, one end of the spring is fixed with the fixed shell, the other end of the spring acts on the first electromagnet, the first electromagnet is in contact with the second electromagnet, the first electromagnet and the second electromagnet are fixed with the push-out shell, the second electromagnet is exposed out of the push-out shell and is magnetically connected with a sheet body, and the push-out shell is limited by the U-shaped groove;
the first electromagnet and the second electromagnet are provided with electric control modules.
The finger part with the glove is connected with the finger stretching mechanism through the second electromagnet adsorption sheet body, the palm holds the fixed shell and the push shell, when the second electromagnet is opposite to the first electromagnet in ferromagnetism, the first electromagnet repels the second electromagnet to enable the second electromagnet to generate displacement, the finger part is pushed forwards, the process is softer under the action of the fixed shell and the push shell to avoid damage to the hand part caused by rigid connection, the electromagnet generates heat during working, the heat generated by the first electromagnet and the second electromagnet enables the spring to be heated and gradually stretched (the spring is of a spring-shaped structure made of memory metal and can be stretched after being heated), the spring is stretched to abut against the push shell to move forwards, the stretching degree of the finger is further expanded, the finger is fully exercised, and the problem that the stretching force is insufficient due to extreme attenuation of magnetic force along with the increase of distance is solved;
the supporting plate is arranged to accord with the structure of the arm part of the human body, so that the comfort degree in the treatment process is improved.
Further, fixed casing is inside cavity and the open semi-circular cylinder of square face, the quantity of spring is a plurality of, and is a plurality of the vertical array of spring sets up inside fixed casing, is provided with the fixed plate between spring and the first electro-magnet, the fixed plate is square board, and the both ends symmetry of fixed plate sets up the otic placode of n font, and the back of fixed plate corresponds the vertical array of a plurality of spring positions and has a plurality of annular bulge, annular bulge is used for spacing the spring, the spring is fixed with the fixed plate.
Further, the outside of first electro-magnet is provided with the connection shell, the connection shell is inside cavity and the open square plate body in one side, and the both ends of connection shell set up the curb plate of n font, connect the shell the curb plate sets up in the otic placode inboard of fixed plate and fixed through the otic placode of screw and fixed plate, and the U-shaped through-hole has been seted up to the curb plate of connection shell, be provided with the protective housing in the U-shaped through-hole, the protective housing is the open square plate body in hollow and one side in the middle part, and the inside of protective housing sets up the second electro-magnet, and the upper and lower both ends of protective housing are all fixed and are provided with the bolt, the bolt sets up inside the U-shaped through-hole of curb plate, and the tip cooperation of bolt is provided with the nut, the protective housing passes through bolt and nut and connection shell.
Furthermore, the push-out shell is a semicircular cylinder which is hollow inside and has an open square face, the push-out shell and the fixed shell are arranged in an opposite mode, a long-strip-shaped groove corresponding to the opening of the protective shell is formed in the middle of the curved face of the push-out shell, the second electromagnet is exposed through the long-strip-shaped groove, annular baffles are arranged at the upper end and the lower end of the long-strip-shaped groove, the baffles and the push-out shell are of an integrated structure, and arc line sections of side plates of the connecting shell are in contact with the inner ring face of each baffle;
the inner side surface of the push-out shell is provided with a plurality of arc-shaped claws, the claws and the push-out shell are of an integrated structure, the claws are fastened on the back surface of the fixing plate, and the push-out shell is fixed with the fixing plate through the claws.
The fixed casing and the structure of the push-out casing are convenient to grasp, the fixed plate, the connecting shell and the protective shell are arranged to fix the first electromagnet and the second electromagnet in the push-out casing respectively, the sliding between the first electromagnet and the second electromagnet is realized, the whole operation process is smoother, and the treatment safety is improved.
Furthermore, a limiting mechanism is arranged between the fixed plate and the fixed shell, the limiting mechanism is symmetrically arranged at the upper end and the lower end of the fixed plate and the fixed shell, the limiting mechanism comprises a limiting rod, a fixed block and a supporting plate, the fixed block is fixed with the side part of the fixed shell, the fixed block is a square plate body, the supporting plate is fixed with the side surface of the fixed plate, the supporting plate is a square plate body, a circular groove corresponding to the circular groove is formed in the middle of the fixed block, a coaxial and isodiametric circular through hole is formed in the supporting plate, one end of the limiting rod is fixed with the fixed block, and the other end of the limiting rod is provided with a circular through hole penetrating through the supporting plate;
a limiting plate is arranged on the other side of the limiting rod, the limiting plate is a square plate, the middle of the limiting plate is fixed with the limiting rod, an upper cover plate is fixedly connected to the upper end of the limiting plate and the upper end of the fixing plate, and the upper cover plate is an arc-shaped plate;
the fixing block and the fixing shell are of an integrated structure, the supporting plate and the fixing plate are of an integrated structure, and the middle of the curved surface of the fixing shell is provided with an outward convex arc-shaped bulge.
Set up stop gear, make the spring along linear motion when extending to make the action of rehabilitation training more normal, improved the training effect.
Furthermore, a shielding plate made of flexible heat-insulating materials is arranged between the two curved surfaces of the fixed plate and the push-out shell, and the shielding plate extends along with one end of the push-out shell;
the middle part of U-shaped recess corresponds first electro-magnet position and has seted up circular mounting hole, be provided with the exhaust fan in the circular mounting hole, the shell of exhaust fan is fixed with the layer board through circular mounting hole.
In order to realize protecting the hand when first electro-magnet and second electro-magnet produce heat, set up the sunshade and protect the palm, set up the exhaust fan simultaneously and carry out the heat transfer, the exhaust fan is connected with electrical control module, and electrical control module control exhaust fan circular telegram work.
Furthermore, the upper end surface of the shell is an inclined surface, a square through hole is formed in the middle of the upper end surface of the shell, and a convex arc-shaped fulcrum mechanism is arranged on the inner side of the upper end surface of the shell, close to the square through hole;
the angle adjusting mechanism comprises a first connecting rod and a second connecting rod, the first connecting rod is of an H-shaped structure, an adjusting nut is fixedly arranged between two vertical sections on one side of the first connecting rod, a square opening is formed in the middle of the first connecting rod and is in contact with the outer side surface of the fulcrum mechanism, the second connecting rod is arranged between two vertical sections on the other side of the first connecting rod and is of an I-shaped structure, and the other end of the second connecting rod penetrates through the square through hole of the shell;
the lower part of the bending section of the supporting plate is provided with an ear plate clamping second connecting rod, and the first connecting rod, the second connecting rod, the fulcrum mechanism and the ear plate of the supporting plate are hinged through pin shafts;
the adjusting nut is fixedly connected with an adjusting bolt, the end part of the adjusting bolt is arranged on the outer side of the shell, and the rod part of the adjusting bolt is connected with the shell through threads.
The included angle between the supporting plate and the shell is adjusted through rotating the adjusting bolt to achieve height adjustment of the arm, multi-angle placement of the arm is achieved according to needs of a patient, and the arm is supported for a long time due to the fact that rehabilitation training needs to be conducted, and the training comfort level is improved.
Furthermore, the bending section of the supporting plate is hinged with the front end of the shell, the tails of the two linear sections of the supporting plate are of a U-shaped structure, the corresponding forearm supporting base plate is of a U-shaped structure made of flexible materials, and the curved surface of the forearm supporting base plate is attached to and fixed with the tails of the two linear sections of the supporting plate.
The forearm support pad further improves the support comfort of the arm.
Further, electrical control module includes MCU chip, hand touch screen, driver chip and pressure sensor, the MCU chip passes through USART serial ports communication connection with the hand touch screen, and the hand touch screen is used for the input control instruction, and driver chip is connected to the output IO pin of MCU chip, driver chip is used for controlling first electro-magnet and second electro-magnet to switch on, cut off the power supply and first electro-magnet magnetic pole regulation, pressure sensor is used for detecting the repulsion between first electro-magnet and second electro-magnet, and pressure sensor's output and the ADC pin of MCU chip are connected.
Realize magnetic field force of first electro-magnet and second electro-magnet through electric control module and adjust and the polarity of first electro-magnet, combine the hand touch screen to realize the settlement of training mode, make the actual conditions of training patient of laminating more.
Through the technical scheme, the beneficial effects of the utility model are that:
(1) the utility model discloses a finger extension mechanism is including fixed casing and release casing, fixed casing is motionless, release casing is outwards released or is shrink by the spring under the effect of first electro-magnet and second electro-magnet, combine first electro-magnet and second electro-magnet mutual exclusion or attract the extension training that realizes the finger mutually, make the finger obtain fully taking exercise, avoid magnetic force to cause the not enough problem of extension strength along with the increase extreme dramatic decay of distance, first electro-magnet and second electro-magnet receive electric control module control, electric control module adjusts the magnetic field force of first electro-magnet and second electro-magnet respectively according to input instruction, adjust the polarity of first electro-magnet, the training security is high and the control of being convenient for.
(2) The utility model discloses set up the layer board, the layer board has and holds and opens down the effect, and the layer board is the U font plate body, and two U-shaped recesses have been seted up along the central line symmetry of layer board to the section position of bending of layer board, and the finger extends the mechanism and sets up inside the U-shaped recess, realizes the fixed spacing of fixed casing with release casing, and the layer board sets up the forearm and supports the comfort level that the backing plate improved the training.
(3) The utility model discloses a casing is articulated with the layer board, and is provided with angle adjustment mechanism between casing and the layer board, and angle adjustment mechanism is used for changing the contained angle between layer board and the casing to change the support state of forearm, make the layer board fix at the angle that lets the patient comfortable, the design hommization improves the comfort level of training.
Drawings
Fig. 1 is one of the schematic structural diagrams of a finger rehabilitation training device of the present invention;
fig. 2 is a second schematic structural view of a finger rehabilitation training device according to the present invention;
fig. 3 is a third schematic structural view of the finger rehabilitation training device of the present invention;
fig. 4 is a fourth schematic structural view of the finger rehabilitation training device of the present invention;
fig. 5 is a fifth schematic structural view of the finger rehabilitation training device of the present invention;
fig. 6 is a sixth schematic structural view of the finger rehabilitation training device of the present invention;
fig. 7 is a seventh schematic structural view of the finger rehabilitation training device of the present invention;
fig. 8 is an eighth schematic structural view of a finger rehabilitation training device of the present invention;
fig. 9 is an electrical schematic diagram of the finger rehabilitation training device of the present invention.
The reference numbers in the drawings are as follows: the device comprises a shell 1, a supporting plate 2, a forearm supporting pad 3, a horseshoe-shaped groove 4, a fixed shell 5, a push-out shell 6, a spring 7, a first electromagnet 8, a second electromagnet 9, a fixing plate 10, an annular bulge 11, a connecting shell 12, a protective shell 13, a baffle 14, a claw 15, a limiting rod 16, a fixing block 17, a supporting plate 18, a limiting plate 19, an upper cover plate 20, a shielding plate 21, an exhaust fan 22, a fulcrum mechanism 23, a first connecting rod 24, a second connecting rod 25, an adjusting nut 26, an adjusting bolt 27, an MUC chip 28, a hand touch screen 29, a driving chip 30, a pressure sensor 31 and an auxiliary screen 32.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and detailed description:
example 1
As shown in fig. 1 to 9, a finger rehabilitation training device comprises a glove and a hand fixing band, and is characterized in that a sheet body made of magnetic metal is fixedly arranged at the finger belly position of four fingers of the glove, the sheet body is magnetically connected with a finger stretching mechanism, a supporting plate 2 is arranged at the bottom of the finger stretching mechanism, and a base is arranged at the lower part of the supporting plate 2;
the base comprises a shell 1, the shell 1 is of a hollow fan-shaped structure, an angle adjusting mechanism is arranged in the shell 1, the angle adjusting mechanism is fixed with a supporting plate 2, and the supporting plate 2 is hinged with the base;
the supporting plate 2 is a U-shaped plate body, the two straight line sections of the supporting plate 2 are both provided with a small arm supporting base plate 3, the bending section position of the supporting plate 2 is symmetrically provided with two U-shaped grooves 4 along the central line of the supporting plate 2, and finger extension mechanisms are arranged in the U-shaped grooves 4;
the finger stretching mechanism comprises a fixed shell 5 and a push-out shell 6, the fixed shell 5 is fixed with the front semicircular arc end of the U-shaped groove 4, a spring 7, a first electromagnet 8 and a second electromagnet 9 are sequentially arranged between the fixed shell 5 and the push-out shell 6, the spring 7 is of a spring-shaped structure made of memory metal materials, one end of the spring 7 is fixed with the fixed shell 5, the other end of the spring 7 acts on the first electromagnet 8, the first electromagnet 8 is in contact with the second electromagnet 9, the first electromagnet 8 and the second electromagnet 9 are fixed with the push-out shell 6, the second electromagnet 9 is exposed out of the push-out shell 6 and is magnetically connected with a sheet body, and the push-out shell 6 is limited by the U-shaped groove 4;
the first electromagnet 8 and the second electromagnet 9 are provided with an electric control module.
The utility model adopts the principle that the homopolarity of the electromagnets repel each other, so that the second electromagnet 9 generates a magnetic field, the glove with the sheet body is fixed through magnetism, and simultaneously, the magnetism of the first electromagnet 8 is the same as that of the second electromagnet 9 to generate repulsion force to push away the second electromagnet 9, thereby achieving the purpose of preliminarily assisting the finger to extend;
because magnetic force can be attenuated along with the increase of distance, produce the heat after first electro-magnet 8 and second electro-magnet 9 circular telegram, make spring 7 be heated the extension and promote to push out casing 6 and further make the finger obtain extending, realize that the finger extends rehabilitation training, treat that magnetic force disappears, the temperature drops, and spring 7 contracts realizes that the finger holds back the state, thereby the cycle is repeated and helps the patient to carry out rehabilitation training.
Example 2
The angle adjustment of the pallet 2 is explained with reference to embodiment 1 and fig. 3:
as an implementation mode, the upper end surface of the shell 1 is an inclined surface, a square through hole is formed in the middle of the upper end surface of the shell 1, and a convex arc-shaped fulcrum mechanism 23 is arranged on the inner side of the upper end surface of the shell 1, close to the square through hole;
the angle adjusting mechanism comprises a first connecting rod 24 and a second connecting rod 25, the first connecting rod 24 is of an H-shaped structure, an adjusting nut 26 is fixedly arranged between two vertical sections on one side of the first connecting rod 24, a square opening is arranged in the middle of the first connecting rod 24 and is in contact with the outer side surface of the fulcrum mechanism 23, the second connecting rod 25 is arranged between two vertical sections on the other side of the first connecting rod 24, the second connecting rod 25 is of an I-shaped structure, and the other end of the second connecting rod 25 penetrates through the square through hole of the shell 1;
the lower part of the bending section of the supporting plate 2 is provided with an ear plate clamping second connecting rod 25, and the first connecting rod 24, the second connecting rod 25, the fulcrum mechanism 23 and the ear plate of the supporting plate 2 are hinged through pin shafts;
the adjusting nut 26 is fixedly connected with an adjusting bolt 27, the end of the adjusting bolt 27 is arranged on the outer side of the shell 1, and the rod part of the adjusting bolt 27 is connected with the shell 1 through threads.
During adjustment, the adjusting bolt 27 is adjusted in a forward rotation manner, the rod part of the adjusting bolt 27 descends, because the first connecting rod 24 is fixedly connected with the adjusting nut 26, as the rod part goes deep into the shell 1, one side of the first connecting rod 24 descends, one side of the first connecting rod 24 connected with the second connecting rod 25 ascends under the action of the pin shaft, the second connecting rod 25 pushes up the supporting plate 2 under the action of the first connecting rod 24, the supporting plate 2 is hinged with the shell 1, the supporting plate 2 rotates, the included angle between the supporting plate 2 and the shell 1 increases, the rotation of the adjusting bolt 27 is stopped, the gravity of the supporting plate 2 is offset from the fixed position of the shell 1 and the adjusting bolt 27 through the second connecting rod 25 to the first connecting rod 24, the threaded connection between the adjusting bolt 27 and the shell 1 is equivalent to limit of the supporting plate 2 under the non-rotation condition, the included angle between the supporting plate 2 and the shell 1 is fixed, because the upper end surface of the shell 1 is an inclined surface and the threads are inclined, the angle cannot be changed when the small arm is pressed down;
the adjusting bolt 27 is reversed to reduce the included angle between the supporting plate 2 and the shell 1.
As an implementation mode, the bending section of the supporting plate 2 is hinged to the front end of the shell, the tails of the two linear sections of the supporting plate 2 are of a U-shaped structure, the corresponding forearm supporting cushion plate 3 is of a U-shaped structure made of a flexible material, and the curved surface of the forearm supporting cushion plate 3 is attached to and fixed to the tails of the two linear sections of the supporting plate 2.
Example 3
The operation steps of the finger extension mechanism will be described with reference to embodiment 1 and accompanying drawings 3 and fig. 5 to 7:
as an implementation mode, the fixed housing 5 is a semicircular cylinder with a hollow inner part and an open square surface, the number of the springs 7 is multiple, the vertical arrays of the springs 7 are arranged inside the fixed housing 5, a fixed plate 10 is arranged between the springs 7 and the first electromagnet 8, the fixed plate 10 is a square plate, n-shaped ear plates are symmetrically arranged at two ends of the fixed plate 10, a plurality of annular protrusions 11 are arranged on the back surface of the fixed plate 10 corresponding to the vertical arrays of the springs 7, the annular protrusions 11 are used for limiting the springs 7, and the springs 7 are fixed to the fixed plate 10.
As an implementable mode, the outside of first electro-magnet 8 is provided with connecting shell 12, connecting shell 12 is inside cavity and the open square plate body in one side, and the both ends of connecting shell 12 set up the curb plate of n font, and connecting shell 12 the curb plate sets up in the otic placode inboard of fixed plate 10 and fixed with the otic placode of fixed plate 10 through the screw, and the U-shaped through-hole has been seted up to connecting shell 12's curb plate, be provided with protective housing 13 in the U-shaped through-hole, protective housing 13 is the open square plate body in cavity and one side, and protective housing 13's inside sets up second electro-magnet 9, and protective housing 13's upper and lower both ends are all fixed and are provided with the bolt, the bolt sets up inside the U-shaped through-hole of curb plate, and the tip cooperation of bolt is provided with the nut, protective housing 13 passes through bolt and nut and connecting shell 12.
As an implementation mode, the push-out housing 6 is a semicircular cylinder which is hollow inside and has an open square surface, the push-out housing 6 and the fixed housing 5 are arranged in opposite directions, a long-strip-shaped groove corresponding to the opening of the protective housing 13 is formed in the middle of the curved surface of the push-out housing 6, the second electromagnet 9 is exposed through the long-strip-shaped groove, annular baffle plates 14 are arranged at the upper end and the lower end of the long-strip-shaped groove, the baffle plates 14 and the push-out housing 6 are of an integrated structure, and the arc line sections of the side plates of the connecting housing 12 are in contact with the inner annular surface of the baffle plates 14;
the inner side surface of the push-out shell 6 is provided with a plurality of arc-shaped claws 15, the claws 15 are integrated with the push-out shell 6, the claws 15 are fastened on the back surface of the fixed plate 10, and the push-out shell 6 is fixed with the fixed plate 10 through the claws 15.
As an implementation mode, a limiting mechanism is arranged between the fixing plate 10 and the fixing shell 5, the limiting mechanism is symmetrically arranged at the upper end and the lower end of the fixing plate 10 and the fixing shell 5, the limiting mechanism comprises a limiting rod 16, a fixing block 17 and a supporting plate 18, the fixing block 17 is fixed with the side part of the fixing shell 5, the fixing block 17 is a square plate body, the supporting plate 18 is fixed with the side surface of the fixing plate 10, the supporting plate 18 is a square plate body, a circular groove is formed in the middle of the fixing block 17, a coaxial and isodiametric circular through hole is formed in the supporting plate 18 corresponding to the circular groove, one end of the limiting rod 16 is fixed with the fixing block 17, and the other end of the limiting rod is provided with a circular through hole penetrating through the supporting plate 18;
a limiting plate 19 is arranged on the other side of the limiting rod 16, the limiting plate 19 is a square plate, the middle of the limiting plate 19 is fixed with the limiting rod 16, an upper cover plate 20 is fixedly connected to the upper end of the limiting plate 19 and the upper end of the fixing plate 10, and the upper cover plate 20 is an arc-shaped plate;
the fixing block 17 and the fixing shell 5 are of an integrated structure, the supporting plate 18 and the fixing plate 10 are of an integrated structure, and the middle of the curved surface of the fixing shell 5 is provided with an arc-shaped bulge which protrudes outwards.
As an implementation mode, a shielding plate 21 made of flexible heat insulation material is arranged between the two curved surfaces of the fixed plate 10 and the push-out shell 6, and the shielding plate 21 extends along with one end of the push-out shell 6;
the middle part of U-shaped recess 4 corresponds first electro-magnet 8 position and has seted up circular mounting hole, be provided with exhaust fan 22 in the circular mounting hole, exhaust fan 22's shell is fixed with layer board 2 through circular mounting hole.
As an implementable mode, electric control module includes MCU chip 28, hand touch screen 29, driver chip 30 and pressure sensor 31, MCU chip 28 passes through USART serial ports communication connection with hand touch screen 29, and hand touch screen 29 is used for the input control instruction, and driver chip 30 is connected to MCU chip 28's output IO pin, driver chip 30 is used for controlling first electro-magnet 8 and second electro-magnet 9 to switch on, cut off the power supply and first electro-magnet 8 magnetic pole is adjusted, pressure sensor 31 is used for detecting the repulsion between first electro-magnet 8 and second electro-magnet 9, and pressure sensor 31's output is connected with MCU chip 28's ADC pin.
In this embodiment, the housing 1, the supporting plate 2, the fixed housing 5, the push-out housing 6, the fixing plate 10, the annular protrusion 11, the connecting housing 12, the protective housing 13, the baffle 14, the jaw 15, the limiting rod 16, the fixing block 17, the supporting plate 18, the limiting plate 19, the upper cover plate 20, the fulcrum mechanism 23, the first connecting rod 24, and the second connecting rod 25 are all made of ABS material. The electromagnetic shielding material has the characteristics of excellent impact resistance, heat resistance, low temperature resistance, chemical resistance and electrical performance, stable product size, good surface gloss and the like, and does not influence the normal work of the first electromagnet 8 and the second electromagnet 9.
Instruction programs are written in the hand touch screen 29, different treatment modes are generated by setting treatment duration in combination with magnetic field intensity and stretching to retraction frequency, and the MCU chip 28 receives treatment mode signals to control the finger stretching mechanism.
When the glove is operated, the second electromagnet 9 is electrified to generate a magnetic field, the finger part with the glove is attached to the curved surface of the push-out shell 6 through the magnetic attraction sheet body, when the first electromagnet 8 is electrified, the second electromagnet 9 is pushed to move to a limit position in a horseshoe-shaped through hole formed in the side plate of the connecting shell 12 due to the fact that the magnetism of the first electromagnet 8 is the same as that of the second electromagnet 9, the finger part is driven to extend, heat is generated when the first electromagnet 8 and the second electromagnet 9 are operated (mainly the heat generated by the first magnet 8, the first magnet 8 is closest to the spring 7), the spring 7 is heated to deform and extend to abut against the push-out shell 6 to generate displacement, when the push-out shell 6 abuts against the annular end of the horseshoe-shaped groove 4, the push-out shell 6 is limited, the heat source is far away from the part where the spring 7 is connected with the fixed shell 5, the spring 7 begins to contract, and meanwhile the MCU chip 28 changes the polarity of the first electromagnet 8 through the L289N, the polarity of the electromagnet is opposite to that of the second electromagnet 9, the second electromagnet 9 is attracted and attracted, so that the fingers are recovered, and one training period is completed.
The magnetic field intensity of the first electromagnet 8 and the second electromagnet 9 can be adjusted by simulating PWM signals through the MCU chip 28, so that the retraction speed of the fingers is increased or reduced, the exhaust fan 22 continuously operates in the whole process, and heat in the finger stretching mechanism is discharged outside.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the present invention, so that equivalent changes or modifications made by the structure, features and principles of the present invention should be included in the claims of the present invention.
Claims (9)
1. The finger rehabilitation training equipment comprises gloves and hand fixing belts, and is characterized in that sheet bodies made of magnetic metal are fixedly arranged at finger belly positions of four fingers of the gloves, the sheet bodies are magnetically connected with a finger stretching mechanism, a supporting plate (2) is arranged at the bottom of the finger stretching mechanism, and a base is arranged at the lower part of the supporting plate (2);
the base comprises a shell (1), the shell (1) is of a hollow fan-shaped structure, an angle adjusting mechanism is arranged in the shell (1), the angle adjusting mechanism is fixed with a supporting plate (2), and the supporting plate (2) is hinged with the base;
the supporting plate (2) is a U-shaped plate body, the two straight line sections of the supporting plate (2) are provided with small arm supporting base plates (3), the bending section position of the supporting plate (2) is symmetrically provided with two U-shaped grooves (4) along the central line of the supporting plate (2), and finger extension mechanisms are arranged in the U-shaped grooves (4);
the finger extending mechanism comprises a fixed shell (5) and a push-out shell (6), the fixed shell (5) is fixed with the front semicircular arc end of the U-shaped groove (4), a spring (7), a first electromagnet (8) and a second electromagnet (9) are sequentially arranged between the fixed shell (5) and the push-out shell (6), the spring (7) is of a spring-shaped structure made of memory metal materials, one end of the spring (7) is fixed with the fixed shell (5), the other end of the spring (7) acts on the first electromagnet (8), the first electromagnet (8) is in contact with the second electromagnet (9), the first electromagnet (8) and the second electromagnet (9) are fixed with the push-out shell (6), the second electromagnet (9) is exposed outside the push-out shell (6) and is connected with the sheet body in a magnetic mode, and the push-out shell (6) is limited by the U-shaped groove (4);
the first electromagnet (8) and the second electromagnet (9) are provided with electric control modules.
2. The finger rehabilitation training device according to claim 1, wherein the fixed shell (5) is a semicircular cylinder with a hollow interior and an open square face, the number of the springs (7) is multiple, the multiple springs (7) are vertically arrayed inside the fixed shell (5), a fixed plate (10) is arranged between the springs (7) and the first electromagnet (8), the fixed plate (10) is a square plate, n-shaped ear plates are symmetrically arranged at two ends of the fixed plate (10), a plurality of annular protrusions (11) are vertically arrayed at positions, corresponding to the multiple springs (7), of the back face of the fixed plate (10), the annular protrusions (11) are used for limiting the springs (7), and the springs (7) are fixed to the fixed plate (10).
3. The finger rehabilitation training device according to claim 2, wherein a connecting shell (12) is arranged outside the first electromagnet (8), the connecting shell (12) is a square plate body which is hollow inside and open on one side, n-shaped side plates are arranged at two ends of the connecting shell (12), the side plates of the connecting shell (12) are arranged on the inner sides of the ear plates of the fixing plate (10) and fixed with the ear plates of the fixing plate (10) through screws, a horseshoe-shaped through hole is formed in each side plate of the connecting shell (12), a protective shell (13) is arranged in each horseshoe-shaped through hole, the protective shell (13) is a square plate body which is hollow and open on one side, a second electromagnet (9) is arranged inside the protective shell (13), bolts are fixedly arranged at the upper end and the lower end of each protective shell (13), the bolts are arranged inside the horseshoe-shaped through holes of the side plates, and nuts are arranged at the end parts of the bolts in a matching manner, the protective shell (13) is connected with the connecting shell (12) through bolts and nuts.
4. The finger rehabilitation training device as recited in claim 3, wherein the push-out housing (6) is a semicircular cylinder with a hollow interior and an open square face, the push-out housing (6) and the fixed housing (5) are arranged in opposite directions, a long-strip-shaped groove corresponding to the opening of the protective housing (13) is formed in the middle of the curved surface of the push-out housing (6), the second electromagnet (9) is exposed through the long-strip-shaped groove, annular baffles (14) are arranged at the upper end and the lower end of the long-strip-shaped groove, the baffles (14) and the push-out housing (6) are of an integrated structure, and the arc line section of the side plate of the connecting housing (12) is in contact with the inner ring face of the baffles (14);
arc-shaped claws (15) are arranged on the inner side face of the push-out shell (6), the number of the claws (15) is multiple, the claws (15) and the push-out shell (6) are of an integrated structure, the claws (15) are fastened to the back face of the fixing plate (10), and the push-out shell (6) is fixed with the fixing plate (10) through the claws (15).
5. The finger rehabilitation training device of claim 4, wherein a limiting mechanism is arranged between the fixing plate (10) and the fixing shell (5), the limiting mechanisms are symmetrically arranged at the upper end and the lower end of the fixed plate (10) and the fixed shell (5), the limiting mechanism comprises a limiting rod (16), a fixing block (17) and a supporting plate (18), the fixed block (17) is fixed with the side part of the fixed shell (5), the fixed block (17) is a square plate body, the supporting plate (18) is fixed with the side surface of the fixing plate (10), the supporting plate (18) is a square plate body, the middle part of the fixing block (17) is provided with a circular groove, the circular groove corresponds to the circular groove, the supporting plate (18) is provided with coaxial circular through holes with the same diameter, one end of the limiting rod (16) is fixed with the fixing block (17), and the other end of the limiting rod is provided with a circular through hole penetrating through the supporting plate (18);
a limiting plate (19) is arranged on the other side of the limiting rod (16), the limiting plate (19) is a square plate, the middle of the limiting plate (19) is fixed with the limiting rod (16), an upper cover plate (20) is fixedly connected to the upper end of the limiting plate (19) and the upper end of the fixing plate (10), and the upper cover plate (20) is an arc-shaped plate;
the fixing block (17) and the fixing shell (5) are of an integrated structure, the supporting plate (18) and the fixing plate (10) are of an integrated structure, and the middle of the curved surface of the fixing shell (5) is provided with an arc-shaped bulge protruding outwards.
6. The finger rehabilitation training device according to claim 5, characterized in that a shield (21) made of flexible heat-insulating material is arranged between the two curved surfaces of the fixed plate (10) and the push-out housing (6), and the shield (21) is extended along with one end of the push-out housing (6);
the middle part of U-shaped recess (4) corresponds first electro-magnet (8) position and has seted up circular mounting hole, be provided with exhaust fan (22) in the circular mounting hole, the shell of exhaust fan (22) is fixed with layer board (2) through circular mounting hole.
7. The finger rehabilitation training device according to claim 1, wherein the upper end surface of the shell (1) is an inclined surface, a square through hole is formed in the middle of the upper end surface of the shell (1), and a convex arc-shaped fulcrum mechanism (23) is arranged on the inner side of the upper end surface of the shell (1) close to the square through hole;
the angle adjusting mechanism comprises a first connecting rod (24) and a second connecting rod (25), the first connecting rod (24) is of an H-shaped structure, an adjusting nut (26) is fixedly arranged between two vertical sections on one side of the first connecting rod (24), a square opening is arranged in the middle of the first connecting rod (24) and is in contact with the outer side face of the fulcrum mechanism (23), the second connecting rod (25) is arranged between two vertical sections on the other side of the first connecting rod (24), the second connecting rod (25) is of an I-shaped structure, and the other end of the second connecting rod (25) penetrates through the square through hole of the shell (1);
the lower part of the bending section of the supporting plate (2) is provided with a lug plate clamping second connecting rod (25), and the first connecting rod (24), the second connecting rod (25), the fulcrum mechanism (23) and the lug plate of the supporting plate (2) are hinged through a pin shaft;
the adjusting nut (26) is fixedly connected with an adjusting bolt (27), the end part of the adjusting bolt (27) is arranged on the outer side of the shell (1), and the rod part of the adjusting bolt (27) is connected with the shell (1) through threads.
8. The finger rehabilitation training device as claimed in claim 7, wherein the bending section of the support plate (2) is hinged to the front end of the shell, the tails of the two linear sections of the support plate (2) are in a U-shaped structure, the corresponding forearm support pad (3) is in a U-shaped structure made of flexible materials, and the curved surface of the forearm support pad (3) is attached and fixed to the tails of the two linear sections of the support plate (2).
9. The finger rehabilitation training device of claim 1, wherein the electrical control module comprises an MCU chip (28), a hand touch screen (29), a driving chip (30) and a pressure sensor (31), the MCU chip (28) is in serial port communication connection with the hand touch screen (29) through USART, the hand touch screen (29) is used for inputting control instructions, the driving chip (30) is connected to an output IO pin of the MCU chip (28), the driving chip (30) is used for controlling the on/off of the first electromagnet (8) and the second electromagnet (9) and adjusting the magnetic pole of the first electromagnet (8), the pressure sensor (31) is used for detecting the repulsive force between the first electromagnet (8) and the second electromagnet (9), and the output end of the pressure sensor (31) is connected with the ADC pin of the MCU chip (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220238459.5U CN217339246U (en) | 2022-01-28 | 2022-01-28 | Finger rehabilitation training device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220238459.5U CN217339246U (en) | 2022-01-28 | 2022-01-28 | Finger rehabilitation training device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217339246U true CN217339246U (en) | 2022-09-02 |
Family
ID=83044433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220238459.5U Active CN217339246U (en) | 2022-01-28 | 2022-01-28 | Finger rehabilitation training device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217339246U (en) |
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2022
- 2022-01-28 CN CN202220238459.5U patent/CN217339246U/en active Active
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