Disclosure of Invention
In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a heart failure patient nursing device, which effectively solves the problem that medical care personnel are more troublesome to nurse when a heart failure patient has sudden dyspnea.
The technical scheme includes that the bed comprises a bed body, a horizontal supporting plate is arranged at the upper end of the bed body, inverted-L-shaped rods are hinged to four corners of the lower end of the supporting plate through front and rear axial rotating shafts respectively, a connecting plate is arranged at the upper ends of the two inverted-L-shaped rods which are opposite to each other in front and rear, a shell is arranged at the lower end of the connecting plate on the left side, a transmission shaft which can rotate in forward and reverse directions is arranged in the shell, through grooves in left and right directions are formed in the front and rear sides of the connecting plate on the left side respectively, swing rods in left and right directions are hinged to the front and rear sides of the lower end of the connecting plate on the left side respectively, the two swing rods can swing up and down along with forward rotation of the transmission shaft, the swing directions of the two swing rods are opposite, free ends of the swing rods are provided with balls through springs, and the two balls can extend out of the through grooves on the corresponding sides respectively;
the lower ends of the two inverted L-shaped rods which are opposite from left to right are hinged through connecting rods, a fixing rod in the front-back direction is arranged between the two connecting rods, two clamping plates which are opposite from left to right in the front-back direction are arranged at the lower end of the supporting plate, a pin shaft in the front-back axial direction is rotatably connected to the two clamping plates, the pin shaft can rotate along with the rotation of the transmission shaft, a straight gear which is positioned between the two clamping plates is coaxially arranged on the pin shaft, inverted L-shaped grooves are respectively formed in the opposite ends of the two clamping plates, a rack which is in the left-right direction and can be meshed with the straight gear is slidably connected between the two inverted L-shaped grooves, and a square rod which is in the up-down direction and penetrates through the fixing rod is arranged at the lower end of the rack;
the front end of the transmission shaft is provided with a rocker through a one-way bearing, the opposite ends of the two rockers are respectively provided with a waist-shaped plate in the up-down direction, the waist-shaped plate is provided with a waist-shaped groove, a waist-shaped ring positioned between the two waist-shaped plates is connected in the shell in a sliding way, the front side and the rear side of the upper end of the waist-shaped ring are respectively provided with a front axial insertion column and a rear axial insertion column, the insertion columns are positioned in the waist-shaped grooves on the corresponding sides of the insertion columns, and the free end of the rocker is provided with a cylindrical rod positioned in the waist-shaped ring;
the connecting shaft coaxial with the two rotating shafts on the left side is arranged at the lower end of the supporting plate, belt wheels are arranged on the connecting shaft and the transmission shaft respectively, the two belt wheels are connected through a belt, a worm which is axially positioned in front of the clamping plate on the left side and the right side is connected to the lower end of the supporting plate in a rotating mode, bevel gears are arranged on the worm and the connecting shaft respectively and are meshed with each other, and a worm wheel meshed with the worm is coaxially arranged at the front end of the pin shaft and penetrates through the clamping plate.
The nursing bed has the advantages that the conception is novel, the structure is ingenious, the operation is convenient, the practicability is high, the swing rod and the connecting plate are arranged, a nursing person only needs to start the motor to rotate forwards, the swing rod can replace hands of the nursing person to beat the back of the patient through the ball to help the patient with dyspnea to remove sputum and keep the respiratory tract smooth, meanwhile, the patient can be driven to be in a supine state to be in a semi-lying state, the pressure of visceral organs in the abdomen on the heart and the lung is relieved, the vital capacity is increased, the gas exchange is facilitated, the symptoms of dyspnea are improved, the patient can be automatically limited after being in the semi-lying state, the patient can be changed into the supine state again only by contacting the limit and starting the motor to rotate backwards after nursing is completed, the nursing steps of the nursing person are simplified, and the operation of the nursing person is facilitated.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
The bed comprises a bed body 1, a horizontal supporting plate 2 is arranged at the upper end of the bed body 1, four corners of the lower end of the supporting plate 2 are respectively hinged with inverted L-shaped rods 3 through front and rear axial rotating shafts, a connecting plate 4 is arranged at the upper ends of two inverted L-shaped rods 3 which are opposite front and rear, a shell 5 is arranged at the lower end of the connecting plate 4 on the left side, a transmission shaft 6 which can rotate forward and backward is arranged in the shell 5, through grooves 7 in left and right directions are respectively formed in the front and rear sides of the connecting plate 4 on the left side, swing rods 8 in left and right directions are respectively hinged with the front and rear sides of the lower end of the connecting plate 4 on the left side, the two swing rods 8 can swing up and down along with the forward rotation of the transmission shaft 6, the swing directions of the two swing rods 8 are opposite, balls 9 are arranged at the free ends of the swing rods 8 through springs, and the two balls 9 can respectively extend out of the through grooves 7 on the corresponding sides;
the lower ends of two inverted L-shaped rods 3 which are opposite from left to right are hinged through connecting rods 10, a fixing rod 11 in the front-back direction is arranged between the two connecting rods 10, two clamping plates 12 which are opposite from left to right and in the front-back direction are arranged at the lower end of a supporting plate 2, a pin shaft 13 in the front-back axial direction is rotatably connected to the two clamping plates 12, the pin shaft 13 can rotate along with the rotation of a transmission shaft 6, a straight gear 14 which is positioned between the two clamping plates 12 is coaxially arranged on the pin shaft 13, inverted L-shaped grooves 15 are respectively formed at the opposite ends of the two clamping plates 12, a rack 16 which is in the left-right direction and can be meshed with the straight gear 14 is slidably connected between the two inverted L-shaped grooves 15, and a square rod 17 which is in the up-down direction and penetrates through the fixing rod 11 is arranged at the lower end of the rack 16;
the front end of the transmission shaft 6 is provided with a rocker 20 through a one-way bearing 19, opposite ends of the two rockers 8 are respectively provided with a waist-shaped plate 21 in the vertical direction, a waist-shaped groove is formed in the waist-shaped plate 21, a waist-shaped ring 22 positioned between the two waist-shaped plates 21 is connected in the shell 5 in a sliding manner, front and back sides of the upper end of the waist-shaped ring 22 are respectively provided with a front axial insertion column 23 and a back axial insertion column 23, the insertion columns 23 are positioned in the waist-shaped grooves on the corresponding sides, and the free end of the rocker 20 is provided with a cylindrical rod 24 positioned in the waist-shaped ring 22;
the lower end of the supporting plate 2 is provided with a connecting shaft 25 which is coaxial with the two rotating shafts on the left side, belt wheels 26 are respectively arranged on the connecting shaft 25 and the transmission shaft 6, the two belt wheels 26 are connected through a belt 27, the lower end of the supporting plate 2 is rotatably connected with a worm 28 which is positioned in front of the clamping plate 12 in the left-right axial direction, bevel gears 29 are respectively arranged on the worm 28 and the connecting shaft 25, the two bevel gears 29 are mutually meshed, and the front end of the pin shaft 13 penetrates through the clamping plate 12 and is coaxially provided with a worm wheel 30 which is meshed with the worm 28.
In order to enable the transmission shaft 6 to rotate forward and backward, a motor 18 which is positioned behind the transmission shaft 6 and can rotate forward and backward is arranged in the shell 5, and the output end of the motor 18 is coaxially and fixedly connected with the transmission shaft 6.
In order to enable the rack 16 to be meshed with the straight gear 14, the front end and the rear end of the rack 16 are respectively provided with a sliding rail 31 located in an inverted L-shaped groove 15 on the corresponding side of the rack, the sliding rail 31 can be clamped at the left end of the inverted L-shaped groove 15, the lower ends of the two clamping plates 12 are connected with a box body with an upward opening in a sliding manner, a flat plate 32 connected with the square rod 17 in a sliding manner is arranged in the box body, and the upper end of the flat plate 32 is connected with the rack 16 through a tension spring 33.
In order to limit the flat plate 32 conveniently, the front end of the box body is provided with a U-shaped groove 34 with an opening facing to the left, and the front end of the flat plate 32 is hinged with a Z-shaped rod 35 extending out of the U-shaped groove 34.
In order to make the box body connected with the two clamping plates 12 in a sliding manner, the two clamping plates 12 are respectively provided with a left-right guide rail 36 at the back end, and the front end and the rear end of the box body are respectively connected with the guide rails 36 at the corresponding sides in a sliding manner.
In order to prevent the patient from falling from the bed body 1, the front end and the rear end of the bed body 1 are respectively provided with a guardrail 37.
When the bed is used, the Z-shaped rod 35 is arranged in an initial state of being clamped at the lower end of the U-shaped groove 34, the tension spring 33 is in a stretching state at the moment, the head of a patient is horizontally laid on the bed body 1 towards the left, the back of the patient is positioned right above the two through grooves 7, the lower leg of the patient is positioned right above the connecting plate 4 on the right side, and the guardrails 37 at the front end and the rear end of the bed body 1 can effectively prevent the patient from falling from the bed body 1;
when a patient has sudden dyspnea, a nursing person can start the motor 18 to rotate positively, the output end of the motor 18 drives the transmission shaft 6 to rotate clockwise, the transmission shaft 6 drives the rocker 20 to rotate clockwise through the one-way bearing 19, the rocker 20 drives the waist-shaped ring 22 to move up and down in a reciprocating manner through the cylindrical rod 24, the waist-shaped ring 22 drives the two inserting columns 23 at the upper end of the waist-shaped ring to slide up and down in the waist-shaped groove, the inserting columns 23 drive the waist-shaped plate 21 to swing left and right in a reciprocating manner, the swinging directions of the two waist-shaped plates 21 are opposite, the two waist-shaped plates 21 drive the two swinging rods 8 to swing up and down in a reciprocating manner, the swinging rods 8 drive the round balls 9 to move up and down through the through grooves 7 on the corresponding sides of the round balls 9 through springs, the nursing person is replaced by the two round balls 9 to perform intermittent knocking on the back of the patient, and the sputum in the patient is favorably removed;
the transmission shaft 6 drives the connecting shaft 25 to rotate clockwise through the belt 27 and the belt wheel 26, the connecting shaft 25 drives the worm 28 to rotate anticlockwise through the bevel gear 29, the worm 28 drives the worm wheel 30 to rotate clockwise, the worm wheel 30 drives the straight gear 14 to rotate clockwise through the pin shaft 13, at the moment, the straight gear 14 and the rack 16 are in a meshed state, the straight gear 14 drives the rack 16 to slide leftwards between the two clamping plates 12, the rack 16 drives the fixing rod 11 to move leftwards through the square rod 17, the fixing rod 11 drives the two connecting rods 10 to move leftwards synchronously, the two connecting rods 10 drive the lower ends of the plurality of inverted L-shaped rods 3 to swing leftwards, the left ends of the two inverted L-shaped rods 3 on the left side drive the connecting plate 4 on the left side to swing upwards, the connecting plate 4 on the left side drives the back of a patient to swing upwards, the right ends of the two inverted L-shaped rods 3 on the right side drive the connecting plate 4 on the right side to swing downwards, and the connecting plate 4 on the right side drives the patient shank to swing downwards;
when the rack 16 slides leftwards, the slide rail 31 is driven to move leftwards in the inverted L-shaped groove 15, when the slide rail 31 moves to the left end of the inverted L-shaped groove 15, the rack 16 moves downwards under the action of the pulling force of the tension spring 33, the slide rail 31 is clamped at the left end of the inverted L-shaped groove 15, the rack 16 is disengaged from the straight gear 14, at the moment, the rack 16 does not move along with the rotation of the straight gear 14, the two connecting plates 4 are fixed at the current position, the body of a patient is changed from a supine state to a semi-recumbent state, the dyspnea symptom of the patient is relieved, and a nursing worker only needs to connect the mouth and the nose of the patient with the oxygen generation device;
after the dyspnea symptom of a patient is eliminated, a nursing staff can firstly close the motor 18, clamp the Z-shaped rod 35 at the upper end of the U-shaped groove 34, the Z-shaped rod 35 drives the flat plate 32 to move upwards, the tension spring 33 between the flat plate 32 and the rack 16 is changed from a tension state to a compression state, the rack 16 is moved upwards under the action of elastic force and is re-meshed with the straight gear 14, the rack 16 drives the sliding rail 31 to slide out of the left end of the inverted L-shaped groove 15 upwards, due to the self-locking property between the worm wheel 30 and the worm 28, the two connecting plates 4 cannot swing automatically, then the motor 18 is started to rotate reversely, the output end of the motor 18 drives the transmission shaft 6 to rotate anticlockwise, at the moment, the one-way bearing 19 does not drive the rocking rod 20 to rotate anticlockwise, and the two balls 9 are in a static state;
the transmission shaft 6 drives the connecting shaft 25 to rotate anticlockwise through the belt 27 and the belt wheel 26, the connecting shaft 25 drives the worm 28 to rotate clockwise through the bevel gear 29, the worm 28 drives the straight gear 14 to rotate anticlockwise through the worm wheel 30 and the pin shaft 13, the straight gear 14 drives the rack 16 to move rightwards, the rack 16 drives the two connecting rods 10 to move rightwards through the square rod 17 and the fixing rod 11, the connecting rods 10 drive the lower ends of the inverted L-shaped rods 3 to swing rightwards, the two L-shaped rods on the left side drive the back of a patient to swing downwards through the connecting plate 4, the two L-shaped rods on the right side drive the shanks of the patient to swing upwards through the connecting plate 4 until the patient changes from a semi-lying state to a supine state, the motor 18 is turned off, and the nursing work of sudden dyspnea of the patient is completed.
The reversible motor 18 and the one-way bearing 19 of the present invention are prior art and the structure thereof will not be described in detail herein.
The nursing bed has the advantages that the conception is novel, the structure is ingenious, the operation is convenient, the practicability is high, the swing rod and the connecting plate are arranged, a nursing person only needs to start the motor to rotate forwards, the swing rod can replace hands of the nursing person to beat the back of the patient through the ball to help the patient with dyspnea to remove sputum and keep the respiratory tract smooth, meanwhile, the patient can be driven to be in a supine state to be in a semi-lying state, the pressure of visceral organs in the abdomen on the heart and the lung is relieved, the vital capacity is increased, the gas exchange is facilitated, the symptoms of dyspnea are improved, the patient can be automatically limited after being in the semi-lying state, the patient can be changed into the supine state again only by contacting the limit and starting the motor to rotate backwards after nursing is completed, the nursing steps of the nursing person are simplified, and the operation of the nursing person is facilitated.
Therefore, the heart failure patient nursing device provided by the invention can effectively solve the problem that nursing of medical staff is troublesome when a heart failure patient suddenly breathes difficultly, is simple in structure and operation and convenient to use, and improves nursing efficiency of the nursing staff.