CN111110539B

CN111110539B - Recovery device for patients with coronary heart disease

Info

Publication number: CN111110539B
Application number: CN201911416726.2A
Authority: CN
Inventors: 陈守强; 毕思玲; 张梦贺; 徐亮; 部帅; 李翠霞; 孙振海; 左瑶瑶
Original assignee: Second Affiliated Hospital Shandong University Of Traditional Chinese Medicine
Current assignee: Second Affiliated Hospital Shandong University Of Traditional Chinese Medicine
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2022-02-22
Anticipated expiration: 2039-12-31
Also published as: CN111110539A

Abstract

The invention provides a rehabilitation device for patients with coronary heart disease, and belongs to the technical field of medical auxiliary equipment. The technical scheme is as follows: a rotating shaft is arranged between the side plates of the bed plate, ratchet wheels are arranged at two ends of the rotating shaft, rocking rods are rotatably arranged on the rotating shaft and positioned on the inner sides of the ratchet wheels, the rocking rods extend out of the bed plate, a limiting opening matched with the rocking rods is formed in the bed plate, an articulated shaft is fixedly arranged on the rocking rods and positioned below the bed plate, and a first pawl matched with the ratchet wheels is hinged to the articulated shaft; the back massage mechanism comprises a massage shaft and an eccentric massage block, any massage shaft is connected with the rotating shaft through a gear assembly, the gear assembly comprises a gear wheel arranged in the middle of the rotating shaft, the gear assembly further comprises a pinion meshed with the gear wheel, and the shaft of the pinion and the massage shaft are both rotatably arranged below the bed plate. The invention has the beneficial effects that: the linkage mechanism is driven through simple and small-amplitude movement so as to increase the somatosensory effect of the patient, improve the training pleasure and relieve the emotion of the patient.

Description

Recovery device for patients with coronary heart disease

Technical Field

The invention relates to the technical field of medical auxiliary equipment, in particular to a rehabilitation device for patients with coronary heart disease.

Background

Coronary atherosclerotic heart disease is a heart disease caused by myocardial ischemia, hypoxia or necrosis due to stenosis or obstruction of a blood vessel cavity caused by atherosclerotic lesions generated in coronary vessels, and is often referred to as "coronary heart disease". At present, patients with severe coronary heart disease and acute myocardial infarction require absolute bed rest for at least 6-8 weeks to prevent complications such as ventricular aneurysm, heart rupture and the like, and patients with the above conditions have the following problems of blood volume reduction, increased heart preload, slowed blood flow, relative increase of blood viscosity, ventilation dysfunction at ventilation level, reduced motor ability and endurance, and more importantly, increase of anxiety and terrorism of patients to cause great mental stress and mental burden, and serious adverse effects on patient condition alleviation and recovery. At present, the living pressure of people is large, normal people easily ignore the emotion of patients, at present, for patients lying in bed for a long time, the users can only play time and relieve the emotion by watching videos and listening songs by means of electronic products, but the training purpose cannot be basically achieved by the mode, and the experience feeling is relatively low.

Disclosure of Invention

The invention aims to provide a rehabilitation device for patients with coronary heart disease, which is suitable for patients with coronary heart disease who need to rest in bed for a long time and are not easy to do large-amplitude movement, and can drive a linkage mechanism through simple and small-amplitude movement so as to increase the somatosensory effect, improve the training pleasure and relieve the emotion of the patients.

The invention is realized by the following measures: the rehabilitation device for patients with coronary heart disease is characterized by comprising a bed body, wherein the bed body comprises a bed board, one end of the bed board is provided with a rocker mechanism, the bed board is provided with a back massage mechanism, and the rocker mechanism is connected with the back massage mechanism through a gear assembly;

the two sides below the bed plate are respectively provided with a side plate, a rotating shaft is rotatably arranged between the two side plates, ratchet wheels are arranged at two ends of the rotating shaft, rocking rods are rotatably arranged on the rotating shaft and positioned at the inner sides of the ratchet wheels, the upper parts of the rocking rods extend out of the bed plate, limiting ports matched with the rocking rods are arranged on the bed plate, hinged shafts are fixedly arranged on the rocking rods and positioned below the bed plate, and pawls A matched with the ratchet wheels are hinged on the hinged shafts;

the back massage mechanism comprises a plurality of massage shafts, a plurality of eccentric massage blocks are fixedly arranged on each massage shaft, two adjacent massage shafts are connected through a transmission belt, and a plurality of massage openings matched with the eccentric massage blocks are formed in the bed plate;

any massage shaft is connected with the rotating shaft through the gear assembly, the gear assembly comprises a bull gear arranged in the middle of the rotating shaft and a pinion meshed with the bull gear, and a shaft of the pinion is connected with any massage shaft through a transmission belt;

the shaft of the pinion and the massage shaft are both rotationally arranged below the bed plate.

The patient is through reciprocal pulling the rocker, the rocker drives pawl A with the ratchet cooperation, the rocker is reciprocal to wave once, ratchet rotation once, the position of rocker by on the bed board spacing mouthful restriction can not have big amplitude of rocking, ratchet rotation drives the pivot and gear wheel rotates, the gear wheel drives the pinion rotates, the axle of pinion passes through the drive belt and drives the massage axle rotates, adopts the gear wheel to drive the pinion, can accelerate the rotational frequency of pinion like this, through the little motion range of patient self, massages the back of oneself, has increased the experience of motion and has felt, the training enjoyment of improvement can also carry out the self massage to the back.

And a pawl B matched with the ratchet wheel is hinged on the hinge shaft, and the length of the pawl B is smaller than that of the pawl A. Therefore, the swing amplitude of the rocker can be further reduced, when the rocker is rocked, the pawl A is matched with the ratchet firstly due to the fact that the length of the pawl A is long, and the pawl A acts firstly; when the rocker returns, the pawl B is shorter, enters the rear ratchet groove firstly and is matched with the ratchet firstly, and the pawl B acts firstly. The two processes are carried out in a reciprocating mode, and the effect of shortening the swing amplitude of the rocker is achieved. If only one pawl is used, the rocker needs to be actuated when the entire pawl falls into the next ratchet groove.

The pivot comprises pivot A, connecting axle and pivot B, the gear wheel sets up on the connecting axle, the ratchet is including setting up ratchet A on the pivot A is in with setting up ratchet B on the pivot B, ratchet A with ratchet B's ratchet orientation is opposite, the connecting axle with between the pivot A, the connecting axle with all connect through the clutch between the pivot B. Therefore, the massage shaft can be driven to rotate in different directions, and the massage effect is provided. The clutch may be of the prior art.

The foot massage mechanism is started and stopped by the rotary disc mechanism;

the turntable mechanism comprises a cylinder body with an open top, a circular groove is concentrically arranged at the bottom in the cylinder body, a bearing is arranged in the circular groove, a flange is arranged on the inner diameter of the bearing in an interference fit manner, a small diameter part of the flange is arranged in the bearing, a prism hole is concentrically formed in the flange, a spring is fixedly arranged on the flange and positioned at the periphery of the prism hole, a sealing disc is fixedly arranged at the top end of the spring, a prism matched with the prism hole is arranged below the sealing disc, a metal sheet is arranged above the sealing disc, a sealing column is fixedly arranged above the metal sheet, the top end of the sealing column extends out of the cylinder body and is eccentrically provided with a bulge, a semi-annular metal sheet is arranged in the cylinder body and positioned at the periphery of the spring, and a gap is reserved between the spring and the semi-annular metal sheet, a first electric wire interface electrically connected with the semicircular metal sheet is arranged outside the cylinder body, a second electric wire interface electrically connected with the metal sheet is arranged at the lower part of the prism, a mounting hole is formed in the position, close to the bed head, on the bed plate, and the cylinder body is fixedly arranged in the mounting hole;

the foot massage mechanism comprises a motor and a foot massage eccentric wheel connected with the motor shaft, an opening matched with the foot massage eccentric wheel is formed in the bed plate, and the motor is fixedly arranged below the bed plate;

the motor and the power supply are connected in series between the first electric wire interface and the second electric wire interface. Under the condition of guaranteeing normal electrically conductive, insulating material is all selected for use to the material, except promptly sheetmetal, semicircle annular sheetmetal and electric wire interface and spring, other all adopt non-conductive material. The motor can adopt a common direct current motor, the power supply can adopt a storage battery, and other modes of controlling the start and stop of the motor through a button can also be adopted. During the use, the patient presses through finger or hand face the arch, the spring is compressed, the sheetmetal moves down the position of semicircle annular sheetmetal, and the patient rotates when pressing the arch, works as the sheetmetal with semicircle annular sheetmetal, the motor starts.

The eccentric massage block, the foot massage eccentric wheel and the bulges are all provided with a plurality of bulges, so that the massage effect is improved.

The mutton smell acupoint massage device further comprises a mutton smell acupoint massage mechanism, the mutton smell acupoint massage mechanism comprises a massage support, the massage support comprises a vertical plate I which is vertically arranged, an upper end plate and a lower end plate are arranged at the upper end and the lower end of the first vertical plate, a driven shaft is rotatably connected between the upper end plate and the lower end plate, the upper end of the driven shaft is provided with a driven bevel gear I through key connection, the lower end of the driven shaft is provided with a driven bevel gear II through key connection, a driving fluted disc is arranged on the first vertical plate through a driving shaft, a plurality of conical teeth meshed with the first driven bevel gear and the second driven bevel gear are arranged at the edge of the driving fluted disc, the included angle of the distribution area of the conical teeth on the driving fluted disc is less than 180 degrees, the driving shaft extends out of the first vertical plate and is provided with a motor II with a speed reducer, and the lower end of the driven shaft extends out of the lower end plate and is provided with a massage ball;

the massage bed is characterized in that a stand column is arranged on the bed plate and located on the outer side of the turntable mechanism, a supporting screw rod is arranged on the stand column, and the massage support is sleeved on the supporting screw rod and fixed through a nut.

In traditional Chinese medicine, angina pectoris of coronary heart disease can be relieved by massaging Danzhong acupoint, and when manual massage is performed, the thumb is generally pressed on the acupoint, and the patient is gently kneaded clockwise and then anticlockwise, and the action is slow, uniform and powerful for 15-30 times. Therefore, with the arrangement of the structure, the included angle of the distribution area of the conical teeth on the driving fluted disc is preferably in the range of 155-175 degrees, the conical teeth can be sequentially meshed with the driven bevel gear I and the driven bevel gear II in the rotating process to drive the driven shaft to rotate, the rotation directions of the driven shaft are opposite, the massage balls can be driven to massage in two different directions, and because the distribution of the conical teeth is less than 180 degrees, the massage balls can have intermittence in the two meshing conversion processes, namely, the massage balls are in a non-rotating working state at the time. The number of the conical teeth is generally larger than that of the driven bevel gears, the number of the teeth of the two driven bevel gears is the same, the massage process needs low speed, and the number of the conical teeth is generally 15-30.

The lower end of the driven shaft is provided with a hexagonal blind hole, a hexagonal prism is inserted into the hexagonal blind hole, the bottom end of the hexagonal prism is provided with the massage ball, and the top end of the hexagonal prism is arranged in the hexagonal blind hole through a massage spring;

a disc is arranged on the hexagonal prism and above the massage ball, an extension plate is arranged on the first vertical plate and below the lower end plate, an intermediate shaft is arranged on the extension plate in a rotating mode, the intermediate shaft and the driving shaft are driven by two belt pulleys with the same parameters, a cam is fixedly arranged on the intermediate shaft, the output surface of the cam comprises an arc surface and a curved surface, the diameter of the arc surface is the same, the distance from the curved surface to the axis of the arc surface is smaller than the radius of the arc surface, the arc surface is in contact with the disc, the first driven bevel gear or the second driven bevel gear is in a meshed state, the curved surface is in contact with the disc, and the first driven bevel gear and the second driven bevel gear are both in a non-meshed state. Therefore, the driven shaft can be ensured not to rotate, and the massage balls can not be pressed against the acupuncture points, so that short pause can be realized.

The hexagonal prism is provided with a threaded blind hole, a stud is arranged in the threaded blind hole in a threaded connection mode, and the bottom end of the stud is provided with the massage ball. Therefore, the distance between the massage ball and the acupuncture point can be adjusted through the screw threads, and the force of the massage ball acting on the acupuncture point can be increased or reduced.

The massage ball is hinged on the stud through a ball.

The massage ball is arranged on the stud in a ball hinged mode, and the upper portion of the massage ball is located on an annular limiting plate arranged on the outer side of the ball hinged mode. When the structure is adopted for massaging, because the massage ball is rotated, if the force is too large in the rotating process, the surrounding skin can deform to cause injury or pain, and the situation can be avoided through ball hinging. In addition, the massage ball can also adopt an eccentric type. Therefore, the position of the massage ball can be limited, and the massage ball can be directly propped against the acupuncture point under the condition of external force.

Two turntable mechanisms are symmetrically arranged.

Compared with the prior art, the invention has the beneficial effects that: the multifunctional bed-ridden coronary heart disease patient training device is suitable for a coronary heart disease patient who needs to rest in bed for a long time and is not easy to do large-amplitude movement to drive the linkage mechanism through simple and small-amplitude movement so as to increase the somatosensory effect, improve the training pleasure and relieve the emotion of the patient; the back is massaged by simple swinging of the arms; the feet are driven to massage through the rotation of the hands; in addition, the utility model is also provided with a separate massage to the Shanzhong acupoint.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural view of the bottom of the present invention.

Fig. 3 is a partially enlarged view of a portion a in fig. 2.

FIG. 4 is a partial enlarged view of the portion B in FIG. 2

Fig. 5 is a schematic structural view of a shanzhong point massage mechanism.

Fig. 6 is a schematic view of the structure of the massage ball-related member.

Fig. 7 is a schematic structural diagram with a different angle from fig. 2.

Fig. 8 is a partial enlarged view at C in fig. 7.

Fig. 9 is a schematic view of the internal structure of the turntable mechanism.

FIG. 10 is a top view of the present invention.

Fig. 11 is a circuit connection reference diagram.

Wherein the reference numerals are: 1. a bed body; 2. a rocker arm mechanism; 3. a mutton smell acupoint massage mechanism; 4. a back massage mechanism; 5. a turntable mechanism; 6. a foot massaging mechanism; 7. a transmission belt; 101. a bed board; 102. a side plate; 103. a limiting port; 104. an opening; 105. massaging the mouth; 106. a column; 107. a support screw; 108. a nut; 201. a rotating shaft A; 202. a rotating shaft B; 203. a connecting shaft; 204. a clutch; 205. a ratchet wheel; 206. a rocker; 207. hinging a shaft; 208. 210, a bull gear; 211. a pinion gear; 212. a shaft; 213. a guide ring; 214. a U-shaped shifting fork; 215. an electric push rod; 301. a first vertical plate; 302. an upper end plate; 303. a lower end plate; 304. a driven shaft; 305. a driven bevel gear I; 306. a driven bevel gear II; 307. a driving fluted disc; 308. a tapered tooth; 309. a hexagonal prism; 310. a disc; 311. a stud; 312. ball hinge joint; 313. a massage ball; 314. an annular limiting plate; 315. a cam; 316. an intermediate shaft; 317. a belt; 318. a second motor; 319. an extension plate; 320. a massage spring; 401. a massage shaft; 402. an eccentric massage block; 501. a barrel; 502. a bearing; 503. a flange; 504. a prism; 505. a spring; 506. sealing the disc; 507. a metal sheet; 508. sealing the column; 509. a protrusion; 510. a second electric wire interface; 511. a semi-circular metal sheet; 601. a motor; 602. a motor shaft; 603. a foot massage eccentric wheel.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.

Referring to fig. 1-11, a rehabilitation device for patients with coronary heart disease comprises a bed body 1, the bed body 1 comprises a bed plate 101, one end of the bed plate 101 is provided with a rocker mechanism 2, the bed plate 101 is provided with a back massage mechanism 4, and the rocker mechanism 2 is connected with the back massage mechanism 4 through a gear assembly;

both sides below the bed plate 101 are provided with side plates 102, a rotating shaft is rotatably arranged between the two side plates 101, both ends of the rotating shaft are provided with ratchet wheels 205, rocking rods 206 are rotatably arranged on the rotating shaft and positioned at the inner sides of the ratchet wheels 205, the upper parts of the rocking rods 206 extend out of the bed plate 101, the bed plate 101 is provided with a limiting opening 103 matched with the rocking rods 206, hinged shafts 207 are fixedly arranged on the rocking rods 206 and positioned below the bed plate 101, and pawls A208 matched with the ratchet wheels 205 are hinged on the hinged shafts 207;

the back massage mechanism 4 comprises a plurality of massage shafts 401, a plurality of eccentric massage blocks 402 are fixedly arranged on each massage shaft 401, two adjacent massage shafts 401 are connected through a transmission belt 7, and a plurality of massage openings 105 matched with the eccentric massage blocks 402 are arranged on the bed plate 101;

any massage shaft 401 is connected with the rotating shaft through a gear assembly, the gear assembly comprises a large gear 210 arranged in the middle of the rotating shaft and a small gear 211 meshed with the large gear 210, and a shaft 212 of the small gear 211 is connected with any massage shaft 401 through a transmission belt;

the shaft 212 of the pinion 211 and the massage shaft 401 are rotatably provided below the top board 101.

The patient is through reciprocal pulling rocker 206, rocker 206 drives pawl A208 and ratchet 205 cooperation, rocker 206 is reciprocal to wave once, ratchet 205 rotates, rocker 206's position is restricted by spacing mouth 103 on the bed board 101, there is not big amplitude of rocking, ratchet 205 rotates and drives pivot and gear wheel 210 rotation, gear wheel 210 drives pinion 211 and rotates, the axle of pinion 211 passes through the drive belt and drives massage axle 401 and rotate, adopt gear wheel 210 to drive pinion 211, can accelerate the rotational frequency of pinion like this, through the little motion range of patient self, massage the back of oneself, the experience of motion is felt to have been increased, the training enjoyment of improvement, can also carry out the massage of oneself to the back.

The hinge shaft 207 is hinged with a pawl B209 matched with the ratchet wheel 205, and the length of the pawl B209 is smaller than that of the pawl A208. Therefore, the swing amplitude of the rocker 206 can be further reduced, when the rocker 206 is swung, the pawl A208 is firstly matched with the ratchet due to the longer length of the pawl A208, and the pawl A208 is firstly acted; when the rocker 206 is returned, the pawl B209 is shorter and enters the rear ratchet groove first, and is matched with the ratchet first, and the pawl B209 acts first. The above two processes are performed in a reciprocating manner, so that the swing amplitude of the rocker 206 is shortened. If only one pawl is used, rocker 206 needs to be actuated when the entire pawl falls into the next ratchet groove.

The rotating shaft consists of a rotating shaft A201, a connecting shaft 203 and a rotating shaft B202, a large gear 210 is arranged on the connecting shaft 203, a ratchet 205 comprises a ratchet wheel A arranged on the rotating shaft A201 and a ratchet wheel B arranged on the rotating shaft B202, the directions of ratchets of the ratchet wheel A and the ratchet wheel B are opposite, and the connecting shaft 203 is connected with the rotating shaft A201 and the connecting shaft 203 is connected with the rotating shaft B202 through a clutch 204. Thus, the massage shaft 401 can be driven to rotate in different directions, and a massage effect is provided. The clutch 204 can adopt the prior art, and the clutch 204 that adopts here includes the guide ring 213 that has the ring gear and sets up U type shift fork 214 on the annular groove on the guide ring 213 lateral wall, and drives the electric push rod 215 of U type shift fork 214, pivot A201, pivot B202 be close to the one end of connecting axle 203 and the both ends of connecting axle 203 all be provided with guide ring complex direction tooth, the link of U type shift fork articulates on bed board 101, and the open end is placed on the annular groove on the guide ring 212.

The foot massage device also comprises a turntable mechanism 5 and a foot massage mechanism 6, wherein the foot massage mechanism 6 is started and stopped by the turntable mechanism;

the turntable mechanism 5 comprises a cylinder 501 with an open top, a circular groove is concentrically arranged at the bottom in the cylinder 501, a bearing 502 is arranged in the circular groove, a flange 503 is arranged on the inner diameter of the bearing 502 in an interference fit manner, a small diameter part of the flange 503 is arranged in the bearing 502, a prism hole is concentrically formed on the flange 503, a spring 505 is fixedly arranged on the flange 503 and positioned at the periphery of the prism hole, a sealing disc 506 is fixedly arranged at the top end of the spring 505, a prism 504 matched with the prism hole is arranged below the sealing disc 506, a metal sheet 507 is arranged above the sealing disc 506, a sealing column 508 is fixedly arranged above the metal sheet 507, the top end of the sealing column 508 extends out of the cylinder 501 and is eccentrically provided with a bulge 509, a semicircular metal sheet 511 is arranged in the cylinder 501 and positioned at the periphery of the spring 505, a gap is formed between the spring 505 and the semicircular metal sheet 511, a first electric wire interface electrically connected with the semicircular metal sheet 511 is arranged outside the cylinder 501, the lower part of the prism 504 is provided with a second wire interface 510 electrically connected with the metal sheet 507, a mounting hole is formed in the position, close to the bed head, on the bed plate 101, and the cylinder 501 is fixedly arranged in the mounting hole;

the foot massaging mechanism 6 comprises a motor 601 and a foot massaging eccentric 603 connected with a motor shaft 602, an opening 104 matched with the foot massaging eccentric 603 is arranged on the bed plate 101, and the motor 601 is fixedly arranged below the bed plate 101;

the motor 601 and the power supply are connected in series between the first wire interface 510 and the second wire interface 510. Under the condition of ensuring normal conduction, the material is insulating, namely, except for the metal sheet 507, the semi-circular metal sheet 511, the wire interface and the spring 505, other materials are non-conductive. The motor can adopt a common direct current motor, the power supply can adopt a storage battery, and other modes of controlling the motor to start and stop through a button can also be adopted. When the device is used, a patient presses the protrusion 509 through fingers or a hand surface, the spring 505 is compressed, the metal sheet 507 moves downwards to the 511 position of the semicircular metal sheet, the protrusion 509 is rotated while the patient presses, and when the metal sheet 507 and the semicircular metal sheet 511 are pressed, the motor 601 is started. Specific wiring can be found in figure 11.

The eccentric massage block 402, the foot massage eccentric wheel 603 and the protrusion 509 are all provided with a plurality of protrusions to improve the massage effect.

The mutton smell middle acupoint massage mechanism comprises a massage support, the massage support comprises a first vertical plate 301 which is vertically arranged, an upper end plate 302 and a lower end plate 303 are arranged at the upper end and the lower end of the first vertical plate 301, a driven shaft 304 is rotatably connected between the upper end plate 302 and the lower end plate 303, a first driven bevel gear 305 is arranged at the upper end of the driven shaft 304 through a key connection, a second driven bevel gear 306 is arranged at the lower end of the driven shaft 304 through a key connection, a driving fluted disc 307 is arranged on the first vertical plate 301 through a driving shaft, a plurality of conical teeth 308 meshed with the first driven bevel gear 305 and the second driven bevel gear 306 are arranged at the edge of the driving fluted disc 307, the included angle of the distribution area of the conical teeth 308 on the driving fluted disc 307 is less than 180 degrees, a second motor 318 with a speed reducer is arranged on the first driving shaft, and a massage ball 313 is arranged on the lower end plate 303 of the driven shaft 304;

an upright column 106 is arranged on the bed plate 101 and positioned outside the turntable mechanism 5, a supporting screw 107 is arranged on the upright column 106, and the massage bracket is sleeved on the supporting screw 107 and fixed through a nut 108.

In traditional Chinese medicine, angina pectoris of coronary heart disease can be relieved by massaging Danzhong acupoint, and when manual massage is performed, the thumb is generally pressed on the acupoint, and the patient is gently kneaded clockwise and then anticlockwise, and the action is slow, uniform and powerful for 15-30 times. Therefore, with the arrangement of the structure, the included angle of the distribution area of the conical teeth 308 on the driving fluted disc 307 is preferably in the range of 155-175 degrees, the conical teeth 308 can be sequentially meshed with the driven bevel gear I305 and the driven bevel gear II 306 in the rotating process to drive the driven shaft 304 to rotate, the rotation direction of the driven shaft 304 is opposite, the massage balls 313 can be driven to massage in two different directions, and because the distribution of the conical teeth 308 is less than 180 degrees, the intermittence exists in the two meshing conversion processes, namely the massage balls 313 are in the non-rotating working state at the moment. The number of the conical teeth 308 is generally larger than that of the driven bevel gears, the number of the teeth of the two driven bevel gears is the same, the massage process needs to be carried out at a low speed, and the number of the conical teeth 308 is generally 15-30.

A hexagonal blind hole 3041 is formed in the lower end of the driven shaft 304, a hexagonal prism 309 is inserted into the hexagonal blind hole 3041, a massage ball 313 is arranged at the bottom end of the hexagonal prism 39, and the top end of the hexagonal prism 309 is arranged in the hexagonal blind hole 3041 through a massage spring 320;

a disc 310 is arranged on the hexagonal prism 309 and above the massage ball 313, an extension plate 319 is arranged on the first vertical plate 301 and below the lower end plate 303, an intermediate shaft 316 is arranged on the extension plate 319 in a rotating mode, the intermediate shaft 316 and the driving shaft are driven by two belt wheels with the same parameters and are connected through a belt 317, a cam 315 is fixedly arranged on the intermediate shaft 316, the output surface of the cam 315 comprises an arc surface and a curved surface with the same diameter, the distance from the curved surface to the axis of the arc surface is smaller than the radius of the arc surface, the arc surface is in contact with the disc 310, the first driven bevel gear 305 or the second driven bevel gear 306 is in a meshing state, the curved surface is in contact with the disc 310, and the first driven bevel gear 305 and the second driven bevel gear 306 are both in an unmeshed state. Thus, the massage ball 313 is not pressed against the acupuncture point while the driven shaft 304 is not rotated, and the short pause can be carried out.

A threaded blind hole is formed in the hexagonal prism 309, a stud 311 is arranged in the threaded blind hole in a threaded connection mode, and a massage ball 313 is arranged at the bottom end of the stud 311. Thus, the distance between the massage ball 313 and the acupuncture point can be adjusted through the screw threads, and the force of the massage ball 313 on the acupuncture point can be increased or decreased.

A massage ball 313 is arranged on the stud 311 by means of a ball hinge 312. An annular limiting plate 314 is arranged at the upper part of the massage ball 313 and at the outer side of the ball hinge. When adopting above-mentioned structure to massage, because the massage ball is pivoted, if the dynamics is too big at the rotation in-process, skin on every side can warp and cause damage or pain, can avoid above-mentioned condition through ball joint. In addition, the massage ball 313 may be of an eccentric type. Therefore, the position of the massage ball can be limited, and the massage ball can be directly propped against the acupuncture point under the condition of external force.

The two turntable mechanisms 5 are symmetrically arranged, two hands can operate conveniently and respectively, the two hands cannot operate simultaneously, the two mechanisms are provided with two wire interfaces and are connected with the motor and the storage battery, namely, the two wire interfaces in the two mechanisms are connected in parallel, and the reference is specifically made to fig. 11.

The massage structure arranged eccentrically can be hidden under the bed plate 101 well, can be positioned under the bed plate 101 when the massage structure is at a low point, and can be higher than the bed plate 101 when the massage structure is at a high point to massage a patient. The massage structure may also employ a cam.

The use method comprises the following steps: for convenience of use, the mattress with the massage structure on the bed plate 101 can be separated, a patient lies on the bed, the clutch 204 ensures that one of the rotating shaft A201 or the rotating shaft B202 is connected with the connecting shaft 203, the rocking bar 206 drives the eccentric massage block 402 to massage the back, and when the rotating direction is needed, the clutch is controlled to switch; the patient can also press the protrusion 509 by the fingers or the hand surface of the other hand, the spring 505 is compressed, the metal sheet 507 moves downwards to the 511 position of the semi-circular metal sheet, the patient rotates the protrusion 509 while pressing, and when the metal sheet 507 and the semi-circular metal sheet 511 are pressed, the motor 601 starts to massage the foot. The Danzhong point massage mechanism can be used at a proper position which is pre-adjusted by a patient and then used, and can also be used under other coordination.

The technical features of the present invention which are not described in the above embodiments may be implemented by or using the prior art, and are not described herein again, of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and variations, modifications, additions or substitutions which may be made by those skilled in the art within the spirit and scope of the present invention should also fall within the protection scope of the present invention.

Claims

1. The rehabilitation device for patients with coronary heart disease is characterized by comprising a bed body, wherein the bed body comprises a bed board, one end of the bed board is provided with a rocker mechanism, the bed board is provided with a back massage mechanism, and the rocker mechanism is connected with the back massage mechanism through a gear assembly;

the shaft of the pinion and the massage shaft are both rotationally arranged below the bed plate;

the rotating shaft consists of a rotating shaft A, a connecting shaft and a rotating shaft B, the large gear is arranged on the connecting shaft, the ratchet wheel comprises a ratchet wheel A arranged on the rotating shaft A and a ratchet wheel B arranged on the rotating shaft B, the directions of ratchets of the ratchet wheel A and the ratchet wheel B are opposite, and the connecting shaft and the rotating shaft A and the connecting shaft and the rotating shaft B are connected through clutches;

the foot massage mechanism is started and stopped by the rotary disc mechanism;

the motor and the power supply are connected in series between the first wire interface and the second wire interface;

an upright post is arranged on the bed board and positioned on the outer side of the turntable mechanism, a supporting screw rod is arranged on the upright post, and the massage bracket is sleeved on the supporting screw rod and fixed through a nut;

a disc is arranged on the hexagonal prism and above the massage ball, an extension plate is arranged on the first vertical plate and below the lower end plate, an intermediate shaft is arranged on the extension plate in a rotating mode, the intermediate shaft and the driving shaft are driven by two belt pulleys with the same parameters, a cam is fixedly arranged on the intermediate shaft, the output surface of the cam comprises an arc surface and a curved surface, the diameter of the arc surface is the same, the distance from the curved surface to the axis of the arc surface is smaller than the radius of the arc surface, the arc surface is in contact with the disc, the first driven bevel gear or the second driven bevel gear is in a meshed state, the curved surface is in contact with the disc, and the first driven bevel gear and the second driven bevel gear are both in a non-meshed state.

2. The rehabilitation device for patients with coronary heart disease according to claim 1, wherein a pawl B matched with the ratchet wheel is hinged on the hinge shaft, and the length of the pawl B is smaller than that of the pawl A.

3. The rehabilitation device for patients with coronary heart disease according to claim 1 or 2, wherein the eccentric massage block, the foot massage eccentric wheel and the protrusions are provided with a plurality of protrusions.

4. The rehabilitation device for patients with coronary heart disease according to claim 3, wherein the hexagonal prism is provided with a threaded blind hole, a stud is arranged in the threaded blind hole through threaded connection, and the bottom end of the stud is provided with the massage ball.

5. The rehabilitation device for patients with coronary heart disease according to claim 4, wherein the massage ball is arranged on the stud through a ball hinge, and an annular limiting plate is arranged on the upper part of the massage ball and positioned outside the ball hinge.

6. The rehabilitation apparatus for patients with coronary heart disease according to claim 3, wherein two turntable mechanisms are symmetrically provided.