CN113116696B

CN113116696B - Health care device

Info

Publication number: CN113116696B
Application number: CN202110412524.1A
Authority: CN
Inventors: 李红雨; 严小丽; 谭琼; 郑春明
Original assignee: First Affiliated Hospital of Army Medical University
Current assignee: First Affiliated Hospital of Army Medical University
Priority date: 2021-04-16
Filing date: 2021-04-16
Publication date: 2023-07-25
Anticipated expiration: 2041-04-16
Also published as: CN113116696A

Abstract

The invention relates to the field of medical equipment, in particular to a health care device, which comprises a bed body, wherein supporting legs are fixedly arranged on the bed body, a first guide rod and a second guide rod which are vertical are fixedly connected on the bed body, the first guide rod is positioned above the head of the bed body, the second guide rod is positioned above the tail of the bed body, a cross rod is vertically and slidably connected between the first guide rod and the second guide rod, and a massage mechanism is arranged on the cross rod; the bed body is rotationally connected with a first lead screw and a second lead screw which are vertical, the first lead screw and the second lead screw are respectively positioned above the head part of the bed body and the tail part of the bed body, the first lead screw and the second lead screw are in threaded connection with the cross rod, and a transmission mechanism is connected between the first lead screw and the second lead screw; a hand wheel is arranged on the first screw rod. The back of the patient is automatically massaged by the scheme, and the aim of health care is fulfilled.

Description

Health care device

Technical Field

The invention relates to the field of medical equipment, in particular to a health care device.

Background

Massage is an important item of health care, and at present, people often treat some diseases or relax diseases, such as muscle soreness, by means of massage, so as to achieve the purpose of health care. In the prior art, the massage mode is used for manually massaging, namely, a patient lies on a bed, and a massage doctor uses a massage tool to knock the back of the patient, so that the ache of back muscles is relieved, and the massage purpose is achieved. However, the doctor feels tired after the time of the massage is long because of the artificial massage, so the massage work intensity of the doctor in the prior art is high.

Disclosure of Invention

The invention aims to provide a health care device so as to realize automatic massage on the back of a patient and achieve the aim of health care.

In order to achieve the above purpose, the invention adopts the following technical scheme: the health care device comprises a bed body, wherein supporting legs are fixedly arranged on the bed body, a first guide rod and a second guide rod which are vertical are fixedly connected to the bed body, the first guide rod is positioned above the head of the bed body, the second guide rod is positioned above the tail of the bed body, a cross rod is vertically and slidably connected between the first guide rod and the second guide rod, and a massage mechanism is arranged on the cross rod; the bed body is rotationally connected with a first lead screw and a second lead screw which are vertical, the first lead screw and the second lead screw are respectively positioned above the head part of the bed body and the tail part of the bed body, the first lead screw and the second lead screw are in threaded connection with the cross rod, and a transmission mechanism is connected between the first lead screw and the second lead screw; a hand wheel is arranged on the first screw rod.

The principle and the advantages of the scheme are as follows: the support legs are used for supporting the bed body. The cross bar is used for bearing the massage mechanism. The first guide rod and the second guide rod are used for guiding the vertical movement of the cross rod. The massage mechanism is used for massaging the back of the human body. The transmission mechanism is used for connecting the first lead screw and the second lead screw, so that the first lead screw and the second lead screw are in a linkage state. In the scheme, the first lead screw, the second lead screw and the cross rod form a lead screw pair, and thus, the vertical movement of the cross rod is realized by rotating the first lead screw and the second lead screw.

When the massage bed is used, a patient lies on the bed body, the hand wheel is manually rotated, the hand wheel drives the first screw rod to rotate, the first screw rod drives the second screw rod to rotate through the transmission mechanism, the first screw rod and the second screw rod drive the cross rod to vertically move downwards, the cross rod drives the massage mechanism to move downwards, the massage mechanism is attached to the back of a human body, and then the massage mechanism is started to massage the back of the human body. The back massage device has the advantages that the back massage of a human body is realized through the scheme, the massage is not needed manually, compared with manual massage, the labor intensity of doctors is reduced, and the operation is simple and convenient. Meanwhile, the patient lies on the bed, and according to the massage force and the self requirement, the hand wheel is controlled, so that the massage mechanism can be controlled to move vertically, the pressure of the massage mechanism on the back of the human body is regulated, and the massage force can be regulated.

Preferably, as an improvement, the massage mechanism comprises a shell and a rotating disc positioned in the shell, wherein the rotating disc is transversely arranged, a plurality of ball grooves are formed in the bottom of the rotating disc, and a motor for driving the rotating disc to rotate is arranged in the shell; a plurality of movable blocks are arranged between the lower part of the rotating disc and the bottom of the shell, rotatable massage balls are arranged on the movable blocks, and the tops of the massage balls are propped against the bottom of the rotating disc; the bottom of the shell is provided with a plurality of ball holes, and the bottom of the massage ball extends out of the ball holes and is positioned at the outer side of the bottom of the shell; a pressure spring is connected between the movable block and the bottom of the shell. The movable block is used for supporting the massage ball. Therefore, the motor drives the rotating disc to rotate, and as the top of the massage ball is propped against the bottom of the rotating disc, when the rotating disc rotates, the rotating disc drives the massage balls to rotate on the movable block through friction force, so that the rotating disc drives the massage balls to rotate, and the massage balls rotationally massage the back of a human body. Because the bottom of the rotating disc is provided with a plurality of ball grooves, the bottom of the rotating disc is not flat, so that when the ball grooves are staggered with the tops of the massage balls in the rotating process of the rotating disc, the flat parts of the rotating disc have downward pressure on the massage balls, the movable blocks move downwards to squeeze the pressure springs, the pressure springs are compressed, and the massage balls move downwards to press the backs; when the ball groove is located on the top of the massage ball, the top of the massage ball can enter the ball groove, the extrusion force of the bottom of the rotating disc on the massage ball is reduced, the movable block moves upwards under the action of the elastic force of the pressure spring, the massage ball moves upwards, and the pressing force of the massage ball on the back of a human body is reduced. Therefore, the massage ball can massage the back by rotating and simultaneously massaging the back, the massage ball can continuously move up and down to massage the back in a pressing mode, and the massage ball can be combined with the massage ball in a pressing mode, so that the massage effect is better.

Preferably, as an improvement, the shell is transversely connected to the cross rod in a sliding manner, a crankshaft is connected between the motor and the rotating disc, a connecting rod hole is formed in the side wall of the shell, a connecting rod is connected between a connecting rod neck of the crankshaft and the cross rod, the connecting rod penetrates through the connecting rod hole, one end of the connecting rod located in the shell is rotationally connected to the connecting rod neck of the crankshaft, and one end of the connecting rod located outside the shell is rotationally connected to the cross rod. Therefore, the motor drives the crankshaft to rotate, and the crankshaft drives the rotating disc to rotate. The crankshaft drives the continuous swing of connecting rod in the rotation in-process, when the connecting rod neck of crankshaft rotates to be close to one side of the one end that the connecting rod is located the shell outside, the shell is the longest to the distance that the connecting rod is located the one end in the shell outside this moment, when the connecting rod neck of crankshaft rotates to one side of the one end that is located the shell outside in keeping away from the connecting rod, the shell is the shortest to the distance that the connecting rod is located the one end in the shell outside this moment, therefore the crankshaft in this scheme is in the continuous left and right sliding of shell on the horizontal pole in the rotation in-process, the massage ball of shell bottom constantly moves about like this, thereby improved the massage ball to the massage scope of back, be favorable to improving the effect of massage.

Preferably, as an improvement, a piston cylinder is fixedly connected to the cross rod, a piston is connected in the piston cylinder in a sealing and sliding manner, a piston rod is fixedly connected between the piston and the shell, a liquid inlet pipe is arranged on the piston cylinder, a liquid outlet pipe is arranged on the piston cylinder, a first one-way valve for enabling outside liquid to flow into the piston cylinder in a one-way manner is arranged on the liquid inlet pipe, and a second one-way valve for enabling the liquid in the piston cylinder to flow out in a one-way manner is arranged on the liquid outlet pipe; the bottoms of the ball grooves are respectively provided with a liquid outlet communicated with the liquid outlet pipe. Therefore, in the reciprocating movement process of the shell on the cross rod, when the shell moves in the direction far away from the piston cylinder, the shell pulls the piston to move in the piston cylinder through the piston rod, negative pressure is generated in the piston cylinder, and the piston cylinder sucks external lubricating liquid or liquid medicine into the piston cylinder through the liquid inlet pipe and the first one-way valve. When the shell moves towards the direction close to the piston cylinder, the shell pushes the piston to move in the piston cylinder through the piston rod, the piston presses out liquid in the piston cylinder, the liquid enters the liquid outlet through the liquid outlet pipe and the second one-way valve, the liquid flows into the ball groove from the liquid outlet, when the massage ball is positioned in the ball groove, the liquid is smeared in the massage ball, and then the liquid is smeared on the back of a human body along with the rotation of the massage ball. Therefore, the scheme realizes that the lubricating liquid or the liquid medicine can be gradually smeared on the back of a human body in the massage process of the massage ball, when the lubricating liquid is smeared, the friction between the massage ball and the back of the human body can be reduced, the massage comfort degree is improved, and when the liquid medicine is smeared, the liquid medicine can permeate into the skin in the massage process, so that corresponding diseases can be treated.

Preferably, as an improvement, the end part of the crankshaft connected with the rotating disc is provided with a liquid outlet groove and a plurality of liquid inlet holes positioned on the side wall of the crankshaft, and the liquid inlet holes are communicated with the liquid outlet groove; the inner part of the shell is fixedly connected with a liquid inlet ring, the end part of the crankshaft connected to the rotating disc penetrates through the liquid inlet ring and is rotationally connected with the liquid inlet ring, a liquid cavity is arranged in the liquid inlet ring, an annular opening communicated with the liquid cavity is arranged on the inner wall of the liquid inlet ring, the liquid inlet hole is arranged in the liquid cavity, and the liquid inlet ring is provided with a liquid inlet which is connected with a liquid outlet pipe; the inside of the rotating disc is provided with a first liquid channel communicated with the liquid outlet groove, a second liquid channel is communicated with the first liquid channel, a plurality of third liquid channels are communicated with the second liquid channel, and the third liquid channels are communicated with the liquid outlet. From this, liquid in the drain pipe enters into the liquid chamber of feed liquor ring through the inlet, and liquid enters into the drain tank of bent axle through the inlet, and liquid enters into first liquid way and second liquid way again in proper order, enters into each ball groove through a plurality of third liquid ways at last. Through this scheme, realized that liquid in the drain pipe enters into pivoted bent axle in, can not receive bent axle pivoted influence.

Preferably, as an improvement, the head of the bed body is provided with an intelligent care mechanism, and the intelligent care mechanism comprises a display screen and a keyboard which are electrically connected. Therefore, the patient lies on the bed body, the intelligent care mechanism can be controlled through the keyboard, the display screen can display knowledge in health aspect, such as disease reasons, nursing knowledge, examination and examination notes and the like, so that the patient can learn knowledge in health aspect in the massage process, and the patient can conveniently care for the health of the patient.

Preferably, as an improvement, the transmission mechanism comprises two chain wheels and a chain, wherein the two chain wheels are respectively fixedly connected to the first screw rod and the second screw rod, and the chain is connected between the two chain wheels. Therefore, the first lead screw rotates to drive the corresponding chain wheel to rotate, and the chain wheel drives the other chain wheel to rotate through the chain, so that the second lead screw is driven to rotate.

Drawings

Fig. 1 is a front partial cross-sectional view of a health care device.

Fig. 2 is a front cross-sectional view of the massage mechanism of fig. 1.

Fig. 3 is an enlarged view of a in fig. 2.

Fig. 4 is an enlarged view of B in fig. 2.

Fig. 5 is a bottom view of the rotating disk.

Detailed Description

The following is a further detailed description of the embodiments:

reference numerals in the drawings of the specification include: the bed body 1, the supporting leg 2, the cross rod 3, the first guide rod 4, the first lead screw 5, the display screen 6, the keyboard 7, the hand wheel 8, the second lead screw 9, the second guide rod 10, the chain wheel 11, the chain 12, the piston cylinder 13, the liquid inlet pipe 14, the first check valve 15, the piston 16, the piston rod 17, the shell 18, the motor 19, the connecting rod neck 20, the liquid outlet pipe 21, the second check valve 22, the connecting rod 23, the massage ball 24, the movable block 25, the fixed rod 26, the crank shaft 27, the pressure spring 28, the second liquid channel 29, the third liquid channel 30, the liquid outlet 31, the ball groove 32, the liquid inlet ring 33, the liquid outlet groove 34, the liquid inlet hole 35, the liquid cavity 36, the first liquid channel 37 and the rotating disc 38.

An example is substantially as shown in figures 1 to 5 of the accompanying drawings: the health care device comprises a bed body 1, four supporting legs 2 are fixedly arranged at the bottom of the bed body 1 through bolts, the left end of the bed body 1 is the head of the bed body 1, and the right end of the bed body 1 is the tail of the bed body 1. Two first guide rods 4 and two second guide rods 10 which are vertical are welded on the bed body 1, the two first guide rods 4 are positioned above the head of the bed body 1, the two second guide rods 10 are positioned above the tail of the bed body 1, a cross rod 3 is vertically and slidably connected between the first guide rods 4 and the second guide rods 10, and the specific sliding mode is as follows: both ends of the cross rod 3 are provided with vertical holes, and the first guide rod 4 and the second guide rod 10 respectively penetrate through the vertical holes. The cross-section shape of the cross rod 3 is square, the cross rod 3 is provided with a massage mechanism, the massage mechanism comprises a shell 18 and a rotating disc 38 positioned in the shell 18, the shell 18 is internally hollow, the rotating disc 38 is transversely arranged, the bottom of the rotating disc 38 is provided with a plurality of ball grooves 32, the top of the shell 18 is fixedly provided with a motor 19 for driving the rotating disc 38 to rotate through bolts, and particularly, a crankshaft 27 is connected between an output shaft of the motor 19 and the central part of the top of the rotating disc 38, so that the motor 19 drives the crankshaft 27 to rotate, and the crankshaft 27 drives the rotating disc 38 to rotate. As shown in fig. 2 and 4, a plurality of movable blocks 25 are arranged between the lower part of the rotating disc 38 and the bottom of the housing 18, the end parts of the movable blocks 25 are propped against each other and can vertically and relatively slide, the movable blocks 25 are provided with massage ball holes, the massage balls 24 are installed in the massage ball holes in a rotating manner, and the tops of the massage balls 24 are propped against the bottom of the rotating disc 38. The bottom of the shell 18 is provided with a plurality of ball holes, and the bottom of the massage ball 24 extends out of the ball holes and is positioned outside the bottom of the shell 18; a compression spring 28 is connected between the bottom of the movable block 25 and the bottom of the housing 18.

Referring to fig. 1 and 2, the housing 18 is slidably connected to the cross bar 3 in a manner that: the shell 18 is provided with a transverse square hole, and the cross rod 3 transversely passes through the transverse square hole on the shell 18. The right side wall of the shell 18 is provided with a connecting rod hole, a connecting rod 23 is connected between a connecting rod neck 20 of a crankshaft 27 and the cross rod 3, the connecting rod 23 penetrates through the connecting rod hole, one end of the connecting rod 23 positioned in the shell 18 is rotationally connected to the connecting rod neck 20 of the crankshaft 27, and the specific rotation mode is as follows: the left end of the connecting rod 23 is provided with a vertical hole, and the connecting rod neck 20 of the crankshaft 27 vertically penetrates through the vertical hole at the left end of the connecting rod 23. One end of the connecting rod 23, which is located outside the housing 18, is rotatably connected to the cross bar 3 by a pin.

Referring to fig. 1 and 2, the cross bar 3 is fixedly connected with a piston cylinder 13 located on the right side of a housing 18 through a bolt, a piston 16 is connected in the piston cylinder 13 in a sealing and sliding manner, a piston rod 17 is fixedly connected between the piston 16 and the housing 18 through a bolt, a liquid inlet pipe 14 is connected to the piston cylinder 13, a liquid outlet pipe 21 is connected to the piston cylinder 13, a first check valve 15 for enabling external liquid to flow into the piston cylinder 13 in a unidirectional manner is arranged on the liquid inlet pipe 14, and a second check valve 22 for enabling the liquid in the piston cylinder 13 to flow out in a unidirectional manner is arranged on the liquid outlet pipe 21. As shown in fig. 2 and 3, the end of the crankshaft 27 connected to the rotating disc 38 is provided with a liquid outlet groove 34 and a plurality of liquid inlet holes 35 positioned on the side wall of the crankshaft 27, and the liquid inlet holes 35 are communicated with the liquid outlet groove 34; the inside of the shell 18 is fixedly provided with a fixed rod 26 through a bolt, the right end of the fixed rod 26 is fixedly connected with a liquid inlet ring 33 through a bolt, a crankshaft 27 is connected with the end part of a rotating disc 38, penetrates through the liquid inlet ring 33 and is rotationally connected with the liquid inlet ring 33, a liquid cavity 36 is arranged in the liquid inlet ring 33, an annular opening communicated with the liquid cavity 36 is arranged on the inner wall of the liquid inlet ring 33, a liquid inlet hole 35 is positioned in the liquid cavity 36, a liquid inlet is arranged on the liquid inlet ring 33, and the liquid inlet is connected with a liquid outlet pipe 21 on the piston cylinder 13; the inside of rolling disc 38 is equipped with the first liquid way 37 of vertical with play liquid groove 34 intercommunication, and the intercommunication has horizontal second liquid way 29 on the first liquid way 37, and the intercommunication has a plurality of vertical third liquid ways 30 on the second liquid way 29, combines the bottom in fig. 5 to show, all is equipped with liquid outlet 31 on the ball groove 32. The third liquid channel 30 is in communication with the liquid outlet 31.

Referring to fig. 1, a first lead screw 5 and a second lead screw 9 which are vertical are rotatably connected to a bed body 1 through bearings, the first lead screw 5 and the second lead screw 9 are respectively located above the head of the bed body 1 and above the tail of the bed body 1, the first lead screw 5 and the second lead screw 9 are respectively penetrated through a cross rod 3, the first lead screw 5 and the second lead screw 9 are respectively in threaded connection with the cross rod 3, a transmission mechanism is connected between the first lead screw 5 and the second lead screw 9, the transmission mechanism in the embodiment comprises two chain wheels 11 and a chain 12, the two chain wheels 11 are respectively fixedly connected to the first lead screw 5 and the second lead screw 9 through flat keys, and the chain 12 is connected between the two chain wheels 11. A hand wheel 8 is fixedly arranged on the first screw rod 5 through a flat key. The head of the bed body 1 is provided with an intelligent care mechanism, the intelligent care mechanism comprises a display screen 6 and a keyboard 7 which are electrically connected, and the display screen 6 and the keyboard 7 are fixed on the left end of the bed body 1 through screws. Therefore, when a patient lies on the bed body 1 for massaging, the intelligent care mechanism can be controlled through the keyboard 7, and the display screen 6 can display knowledge in health aspects such as disease reasons, nursing knowledge, examination and examination notes and the like, so that the patient can learn knowledge in health aspects in the massaging process, and the patient can conveniently care for the health of the patient.

The specific implementation process is as follows: when the massage device is used, a patient lies on the bed body 1, the hand wheel 8 is manually rotated, the hand wheel 8 drives the first screw rod 5 to rotate, the first screw rod 5 drives the chain wheel 11 to rotate, the chain wheel 11 drives the other chain wheel 11 on the right side to rotate through the chain 12, so that the second screw rod 9 is driven to rotate, the first screw rod 5 and the second screw rod 9 drive the cross rod 3 to vertically move downwards, the cross rod 3 drives the massage mechanism to downwardly move, and the massage balls 24 on the massage mechanism are attached to the back of a human body.

Then, the motor 19 is started, the motor 19 drives the rotating disc 38 to rotate, and as the top of the massage ball 24 is propped against the bottom of the rotating disc 38, when the rotating disc 38 rotates, the rotating disc 38 drives the massage ball 24 to rotate on the movable block 25 through friction force, so that the rotating disc 38 drives the massage balls 24 to rotate, and the massage balls 24 rub the back of a human body, thereby achieving the massage effect. Meanwhile, when the ball groove 32 is staggered from the top of the massage ball 24 in the rotating process of the rotating disc 38, the top of the massage ball 24 cannot enter the ball groove 32, the massage ball 24 is extruded by the bottom plane of the rotating disc 38 to have downward pressure on the massage ball 24, the movable block 25 moves downwards to extrude the pressure spring 28, the pressure spring 28 is compressed, and the massage ball 24 moves downwards to press the back; when the ball groove 32 is located on the top of the massage ball 24, the movable block 25 moves upward under the elastic force of the compression spring 28, the massage ball 24 enters the ball groove 32, and the pressing force of the massage ball 24 against the back of the human body is reduced. Therefore, the massage ball 24 can massage the back by rotating and simultaneously the massage ball 24 continuously moves up and down to massage the back in a pressing manner, and the rotating massage manner of the massage ball 24 and the pressing massage manner of the massage ball 24 are combined, so that the massage effect is better.

Meanwhile, in the rotating process of the crankshaft 27, the connecting rod neck 20 of the crankshaft 27 drives the connecting rod 23 to continuously swing, when the connecting rod neck 20 of the crankshaft 27 rotates to the rightmost side, the distance from the shell 18 to one end of the connecting rod 23, which is positioned at the outer side of the shell 18, is longest, and when the connecting rod neck 20 of the crankshaft 27 rotates to the leftmost side, the distance from the shell 18 to one end of the connecting rod 23, which is positioned at the outer side of the shell 18, is shortest, so that the crankshaft 27 in the scheme continuously slides left and right on the cross rod 3 in the rotating process of the crankshaft 27, and the massage balls 24 at the bottom of the shell 18 continuously move left and right, so that the massage range of the massage balls 24 to the back is improved, and the massage effect is favorable for improvement.

In addition, in the process that the shell 18 reciprocates on the cross rod 3, when the shell 18 moves leftwards, the shell 18 pulls the piston 16 to move in the piston cylinder 13 through the piston rod 17, negative pressure is generated in the piston cylinder 13, and the piston cylinder 13 sucks external lubricating liquid or liquid medicine into the piston cylinder 13 through the liquid inlet pipe 14 and the first one-way valve 15, so that liquid supplementing into the piston cylinder 13 is realized. When the housing 18 moves rightward, the housing 18 pushes the piston 16 to move in the piston cylinder 13 through the piston rod 17, the piston 16 presses out the liquid in the piston cylinder 13, the liquid enters the liquid inlet of the liquid inlet ring 33 through the liquid outlet pipe 21 and the second one-way valve 22, and enters the liquid cavity 36 from the liquid inlet, the liquid enters the liquid inlet groove from the liquid inlet hole 35 at the bottom end of the crankshaft 27, and then enters the first liquid channel 37 and the second liquid channel 29 in sequence, finally enters each ball groove 32 through the plurality of third liquid channels 30, and flows out from the liquid outlet 31. Hereby, the entry of liquid into the respective ball grooves 32 is achieved by the solution. Thus, when the top of the massage ball 24 is positioned in the ball groove 32, the liquid is applied to the massage ball 24, and then the liquid is applied to the back of the human body along with the rotation of the massage ball 24. Therefore, the scheme realizes that the lubricating liquid or the liquid medicine can be gradually smeared on the back of a human body in the massaging process of the massage ball 24, when the lubricating liquid is smeared, the friction between the massage ball 24 and the back of the human body can be reduced, the massaging comfort degree is improved, and when the liquid medicine is smeared, the liquid medicine can permeate into the skin in the massaging process, so that corresponding diseases can be treated.

The foregoing is merely exemplary of the present invention, and specific technical solutions and/or features that are well known in the art have not been described in detail herein. It should be noted that, for those skilled in the art, several variations and modifications can be made without departing from the technical solution of the present invention, and these should also be regarded as the protection scope of the present invention, which does not affect the effect of the implementation of the present invention and the practical applicability of the patent. The protection scope of the present application shall be subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.

Claims

1. Health care device, including the bed body, the fixed supporting leg that is equipped with on the bed body, its characterized in that: the bed body is fixedly connected with a first guide rod and a second guide rod which are vertical, the first guide rod is positioned above the head of the bed body, the second guide rod is positioned above the tail of the bed body, a cross rod is vertically and slidably connected between the first guide rod and the second guide rod, a massage mechanism is arranged on the cross rod, and a shell of the massage mechanism is transversely and slidably connected with the cross rod; the bed body is rotationally connected with a first lead screw and a second lead screw which are vertical, the first lead screw and the second lead screw are respectively positioned above the head part of the bed body and the tail part of the bed body, the first lead screw and the second lead screw are in threaded connection with a cross rod, and a transmission mechanism is connected between the first lead screw and the second lead screw; a hand wheel is arranged on the first screw rod;

the massage mechanism comprises a shell and a rotating disc positioned in the shell, wherein the rotating disc is transversely arranged, a plurality of ball grooves are formed in the bottom of the rotating disc, and a motor for driving the rotating disc to rotate is arranged in the shell; a plurality of movable blocks are arranged between the lower part of the rotating disc and the bottom of the shell, rotatable massage balls are arranged on the movable blocks, and the tops of the massage balls are propped against the bottom of the rotating disc; the bottom of the shell is provided with a plurality of ball holes, and the bottom of the massage ball extends out of the ball holes and is positioned at the outer side of the bottom of the shell; a pressure spring is connected between the movable block and the bottom of the shell;

the shell is transversely and slidingly connected to the cross rod, a crankshaft is connected between the motor and the rotating disc, a connecting rod hole is formed in the side wall of the shell, a connecting rod is connected between a connecting rod neck of the crankshaft and the cross rod, the connecting rod penetrates through the connecting rod hole, one end of the connecting rod, which is positioned in the shell, is rotationally connected to the connecting rod neck of the crankshaft, and one end of the connecting rod, which is positioned outside the shell, is rotationally connected to the cross rod;

the cross rod is fixedly connected with a piston cylinder, a piston is connected in the piston cylinder in a sealing and sliding manner, a piston rod is fixedly connected between the piston and the shell, a liquid inlet pipe is arranged on the piston cylinder, a liquid outlet pipe is arranged on the piston cylinder, a first one-way valve for enabling external liquid to flow into the piston cylinder in a one-way manner is arranged on the liquid inlet pipe, and a second one-way valve for enabling the liquid in the piston cylinder to flow out in a one-way manner is arranged on the liquid outlet pipe; the bottoms of the ball grooves are respectively provided with a liquid outlet communicated with a liquid outlet pipe;

the end part of the crankshaft connected with the rotating disc is provided with a liquid outlet groove and a plurality of liquid inlet holes positioned on the side wall of the crankshaft, and the liquid inlet holes are communicated with the liquid outlet groove; the inner part of the shell is fixedly connected with a liquid inlet ring, the end part of the rotating disc is connected with the crankshaft, penetrates through the liquid inlet ring and is in rotary connection with the liquid inlet ring, a liquid cavity is arranged in the liquid inlet ring, an annular opening communicated with the liquid cavity is formed in the inner wall of the liquid inlet ring, the liquid inlet hole is formed in the liquid cavity, a liquid inlet is formed in the liquid inlet ring, and the liquid inlet is connected with a liquid outlet pipe; the inside of rolling disc is equipped with the first liquid way with play liquid groove intercommunication, and the intercommunication has the second liquid to say on the first liquid way, the intercommunication has a plurality of third liquid to say on the second liquid way, third liquid says and liquid outlet intercommunication.

2. The health care device of claim 1, wherein: the intelligent care mechanism is arranged on the head of the bed body and comprises a display screen and a keyboard which are electrically connected.

3. The health care device of claim 1, wherein: the transmission mechanism comprises two chain wheels and a chain, the two chain wheels are respectively and fixedly connected to the first screw rod and the second screw rod, and the chain is connected between the two chain wheels.