CN110115666B - Flexible turn-over device - Google Patents

Abstract

The invention discloses a flexible turnover device which is characterized by mainly comprising a frame, long ropes, short ropes, a winder, turnover cloth and a bed, wherein the turnover cloth is transversely laid on the bed, a patient is longitudinally laid on the turnover cloth, two ends of the upper part of the frame are respectively provided with a single pulley and a double pulley, the frame is provided with a zipper for transversely tensioning the frame on two sides of the bed, the winder is arranged on the side surface of the frame, the long ropes and the short ropes are wound and released by the winder, and the single side or the head of the turnover cloth is pulled to rise through the double pulleys and the single pulleys to push the patient to turn over or sit up from two sides respectively.

Description

Flexible turn-over device

Technical Field

The invention relates to the field of medical instruments, in particular to a flexible turn-over device.

Background

Patients with no self-care ability such as paralyzed patients lying in bed for a long time are prone to diseases such as bedsores, which are caused by poor local blood circulation due to too long-time compression of local parts of the body. Therefore, for paralyzed patients lying in bed for a long time, the body of the patient needs to be turned over frequently, and the bad blood circulation caused by long-time compression of a certain part of the patient is avoided, so that the bad phenomena such as bedsores and the like are avoided.

In the prior art, the bed with the turning function used in hospitals for paralyzed patients and patients without self-care ability in long-term bedridden is mostly complex in design and high in cost. Most of beds used in the home can be lifted at one end, and when a patient turns over, a nursing staff is required to hold the patient to turn over, so that time and labor are wasted, the working intensity of the nursing staff is high, the nursing skill requirement is high, and the pain of the patient can be aggravated once the nursing staff is improperly operated.

Disclosure of Invention

The invention discloses a flexible turn-over device, which overcomes the defects.

A flexible turn-over device is characterized by comprising a frame, long ropes, short ropes, a winder, turn-over cloth and a bed, wherein the turn-over cloth is transversely laid on the bed, supporting rods are respectively arranged at two ends of the turn-over cloth along the longitudinal direction, a patient is longitudinally and flatly laid on the turn-over cloth between the two supporting rods, the frame stands on the ground at two sides of the bed, the front end of the frame is positioned at the head of the patient, the rear end of the frame is positioned at the buttocks of the patient, a single pulley is respectively arranged at the same side of the upper part of the frame in a way that the front end of the frame extends forwards and the rear end of the frame backwards, a double pulley is respectively arranged at the other side of the upper part of the frame in a way that the front end of the frame extends forwards and the rear end of the frame backwards, a zipper is arranged on the side of the frame, the winder is arranged on the side of the frame at one side of the double pulley, one long rope and one short rope are respectively arranged at the front end of the frame, one long rope and one short rope are respectively arranged at the rear end of the frame, the long ropes and the short ropes are wound and unwound by the winding device, the two long ropes are pulled out by the winding device, respectively bypass the double pulleys and the single pulleys at two ends of the frame in sequence and then are respectively connected with two ends of the stay bar below the long ropes, the two short ropes are pulled out by the winding device, respectively bypass the double pulleys at two ends of the frame and then are directly downwards connected with two ends of the stay bar below the short ropes, movable hooks are respectively arranged at positions close to two ends of the stay bar of the frame and used for locking and releasing the stay bar, when the movable hooks hook the two ends of the stay bar connected with the short ropes, the winding device simultaneously winds the two long ropes to pull one side of the turn-over cloth long ropes to lift one side of a patient, when the movable hooks hook the two ends of the stay bar connected with the long ropes, simultaneously winds the two short ropes to pull one side of the turn-over cloth to lift, and pushes the patient to turn over the other side of the patient, the frame rear end is equipped with the bolt for restrict patient both sides vaulting pole and use the bolt to rotate as the axle, at this moment the coiler twines simultaneously the long rope and the short rope of frame front end stimulate the patient's head end of standing up cloth and lift up, help patient's upper body perk or sit up.

Further the zipper is positioned below the bed surface.

Further the winder is a manual winder or an electric winder.

The manual winder is further provided with a transmission shaft, a handle and two winders, one winder is arranged at the front end of the frame, the other winder is arranged at the rear end of the frame, and the transmission shaft is arranged between the two winders for transmission.

The winder is provided with a winding wheel set, a base, a bearing A and a cover, wherein the winding wheel set is provided with two groups, namely a winding wheel set A and a winding wheel set B, the winding wheel set A and the winding wheel set B are respectively provided with a winding wheel and a self-locking spring, the winding wheel is provided with a winding groove and an inner hole A, a long rope and a short rope are respectively wound on the winding groove, the winding wheels of the winding wheel set A and the winding wheel set B are coaxially arranged, one end faces are connected, the other end is respectively outwards protruded and provided with an annular boss, the annular boss is respectively provided with an opening groove, the self-locking spring is respectively sleeved with an annular boss outer ring, hooks are respectively arranged at two ends of a spring wire of the self-locking spring, the hooks are arranged in the opening grooves, gaps are respectively arranged at two groove walls of the opening grooves, a winding wheel inner hole A of the winding wheel set A is movably provided with a claw sleeve A, a claw sleeve B is respectively arranged at the outer end face of the winding wheel inner hole A, the winding wheel set B is respectively provided with a flange A and a flange B, the other end face is respectively covered at the outer end face of the annular boss, the annular boss is respectively provided with an annular flange B, the annular flange B is respectively provided with an inner hole C and an inner hole C is respectively arranged at the inner hole C and is provided with a hexagonal flange B.

The base is equipped with the body, body one end is equipped with bearing frame A and installs a dish bearing A, bearing frame A forward extension is equipped with spring holder A, the last self-locking spring of wire winding wheel group A locates in the spring holder A and rise tightly, cover cap cardan in body terminal surface and bolt fixed connection will wire winding wheel group covers, cover cap is equipped with through-hole B to inwards set up bearing frame B by the cover cap top, install another piece bearing A, bearing frame B forward extension be equipped with spring holder B with the self-locking spring of wire winding wheel group B one end rises tightly, the cover cap lateral wall is equipped with the wire outlet, its characterized in that the body be equipped with the coaxial through-hole A of bearing frame A, the body other end be equipped with the coaxial bearing frame C of through-hole A, bearing frame C installs bearing B, through-hole A is equipped with the location pinhole of radially running through its wall thickness, the location pinhole is equipped with the jackscrew, be equipped with the locating pin in the locating pinhole, the locating pin front end is equipped with the semi-circle head rear end and is greater than the front end, the semi-circle head stretches into in the step body, stretch into by the step L, be equipped with in the bottom plate L by the step is equipped with the step body, the bottom plate L is held by the bottom plate.

Further, both ends of the transmission shaft are fixed in the holes of the bearing B, both ends are provided with hexagonal holes C,

The novel side-turning head lifting device is characterized in that the hexagonal shaft I is provided with two sections, the hexagonal shaft I is sequentially provided with a hexagonal shaft I A and a hexagonal shaft I B from front to back, the hexagonal shaft I is connected with the hexagonal hole A and the hexagonal hole B through shafts, three annular grooves are formed in the surface of the hexagonal shaft I, the grooves A, B and C are sequentially arranged from front to back and are respectively formed in the grooves A, B and C, the grooves A, B and C are respectively matched with the positioning pin to achieve three-gear side-turning transmission.

During first gear transmission, the hexagonal shaft I of the handle is inserted by the through hole B of the cover of the winder arranged at the front end of the frame, sequentially penetrates through the inner hole of the bearing A, the inner hole C, the hexagonal hole B and the inner hole B to the hexagonal hole A, the ball head of the locating pin is inserted into the groove A, and the hexagonal shaft I A is matched with the hexagonal hole B and the hexagonal hole A for transmission, and simultaneously winds or releases a long rope and a short rope at the front end of the frame.

During second gear transmission, the hexagonal shaft I of the handle is continuously inserted forward from the position of the first gear to the ball head of the locating pin to be inserted into the groove B, the hexagonal shaft IA is separated from the hexagonal hole B and is matched with the hexagonal hole A and the hexagonal hole C of the transmission shaft, then the other handle is inserted into the same depth position of the winder at the rear end of the frame, at the moment, any handle is rocked, and the manual winder winds or releases two long ropes or two short ropes at two ends of the frame simultaneously.

And during third gear transmission, the hexagonal shaft I of the handle is continuously inserted forward from the position of the second gear to the ball head of the positioning pin to be inserted into the groove C, the hexagonal shaft IA is separated from the hexagonal hole A and is only matched with the hexagonal hole C of the transmission shaft, meanwhile, the hexagonal shaft IB is matched with the hexagonal hole B, then the other handle is inserted into the same depth position of the winder at the rear end of the frame, at the moment, any handle is rocked, and the manual winder simultaneously winds or releases two short ropes or two long ropes at two ends of the frame.

Further, sleeves are arranged at the end parts of the two sides of the turning-over cloth, and the stay bars are arranged in the sleeves.

The electric winder is further provided with a transmission shaft, an automatic gear shifter, a motor transmission mechanism, a winder A and a control system.

The two winding machines A are further arranged, one winding machine A is arranged at the front end of the frame, the other winding machine A is arranged at the rear end of the frame, and the transmission shaft is arranged between the two winding machines A for transmission.

The winder A is provided with a winding wheel set, a base A, a cover A and a bearing A, the winding wheel set is provided with two groups, namely a winding wheel set A and a winding wheel set B, the winding wheel sets A and B are respectively provided with a winding wheel and a self-locking spring, the winding wheel is provided with a winding groove and an inner hole A, a long rope and a short rope are respectively wound on the winding groove, the winding wheels of the winding wheel sets A and B are coaxially arranged, one ends of the winding wheel sets A and B face to face, the other ends of the winding wheels are respectively provided with an annular boss in an outward protruding mode, the annular boss is respectively provided with an open slot, the self-locking springs are respectively sleeved with an outer ring of the annular boss, two ends of a spring wire of the self-locking spring are respectively provided with hooks, the hooks are respectively arranged in the open slot, gaps are respectively arranged between the hooks and the two ends of the spring wire of the self-locking spring, a winding wheel inner hole A is movably provided with a claw sleeve A, a winding wheel inner hole A is movably arranged in the winding wheel inner hole of the winding wheel set B, flanges A and B are respectively arranged on the outer end faces of the winding wheel set B, the winding wheel inner hole A is respectively provided with flanges A and B, the outer end faces of the flanges of the winding wheel sets B are respectively, the ring flanges A and B are respectively outwards protruded from the outer end faces of the ring flanges A and B are respectively, the ring flanges are respectively provided with a six end faces, and C end faces of the inner hole C is respectively provided with a six end faces, and an inner hole C is respectively.

The base A is different from the base only in that the setting of the positioning pin holes, the jackscrews, the positioning pins and the positioning springs is canceled, and the rest settings are identical to those of the base. The base A is provided with a body, one end of the body is provided with a bearing seat A for installing a disc, the bearing seat A is forwards extended to be provided with a spring seat A, a self-locking spring at one end of the winding wheel set A is arranged in the spring seat A and is tightly expanded, a cover A is arranged on the end face of the body in a cardan mode and is fixedly connected with the winding wheel set by bolts, a through hole B is formed in the cover top of the cover A in a covering mode, an annular boss A coaxial with the through hole B is outwards protruded out of the cover top of the cover A, the spring seat B is inwards arranged to be tightly expanded with the self-locking spring at one end of the winding wheel set B, a wire outlet hole is formed in the side wall of the cover A, the body is provided with a through hole A coaxial with the bearing seat C coaxial with the through hole A, the bearing seat C is provided with the bearing seat B, a bottom plate is arranged on one side of the body, the bottom plate is arranged in a L-shaped mode, and the bottom plate is fixedly arranged on the side face of the frame by bolts.

The automatic gear shifter is further provided with a main shaft, the main shaft is provided with a hexagonal shaft II and is in sliding fit with the hexagonal hole A, the hexagonal hole B and the hexagonal hole C, the hexagonal shaft II is provided with two sections, the hexagonal shaft II A and the hexagonal shaft II B are sequentially arranged from front to back, the hexagonal shaft II A and the hexagonal shaft II B are connected through shafts of the hexagonal hole A and the hexagonal hole B, the front end of the hexagonal shaft II protrudes forwards and is provided with a guide shaft, the rear end of the hexagonal shaft II is provided with a guide rod, the middle part of the guide rod is provided with a positioning ring, springs and electromagnetic coils are sequentially arranged on two sides of the positioning ring respectively and outwards, a shell is arranged to fix the two electromagnetic coils, one end of the connecting seat is provided with a connecting plate and the base A, the other end of the connecting seat is provided with an end cover and is connected with the shell, the end cover is provided with a guide rod hole for passing through the hexagonal shaft II and the guide rod in front of the positioning ring at the rear end of the hexagonal shaft II, the guide rod is sleeved on the guide rod B.

The motor transmission mechanism is further provided with a transmission wheel, a transmission belt, a driving wheel and a motor, wherein the motor is arranged on the frame and drives the main shaft to rotate through the driving wheel, the transmission belt and the transmission wheel.

The driving wheel is further provided with a hexagonal hole D, the hexagonal hole D is in sliding fit with the hexagonal shaft II, one end of the driving wheel is provided with a bearing hole, a bearing C is arranged in the bearing hole, and the bearing C is arranged on the annular boss A of the cover A.

The control system is further arranged in a manual mode and an automatic mode, and the electromagnetic coil and the motor are controlled to be electrified and powered off.

And when in first gear electric transmission, the electromagnetic coil behind the positioning ring is electrified, the main shaft moves backwards, the positioning ring moves to the electromagnetic coil behind the positioning ring and compresses the spring behind the positioning ring, and the hexagonal shaft IIA is matched with the hexagonal hole B and the hexagonal hole A for transmission.

During second gear electric drive, the electromagnetic coils in front of and behind the locating ring are all powered off, the locating ring is pushed between the two electromagnetic coils by springs at two ends of the locating ring, and the hexagonal shaft IIA is separated from the hexagonal hole B and is matched with the hexagonal hole A and the hexagonal hole C of the transmission shaft for transmission.

And in the third gear electric transmission, the electromagnetic coil in front of the positioning ring is electrified, the main shaft moves forwards, the positioning ring moves to the electromagnetic coil in front of the main shaft and compresses the spring in front of the positioning ring, the hexagonal shaft IIA is separated from the hexagonal hole A and is only matched with the hexagonal hole C of the transmission shaft, and meanwhile, the hexagonal shaft IIB is matched and transmitted with the hexagonal hole B.

Further, the hexagonal hole A, the hexagonal hole B, the hexagonal hole C and the hexagonal hole D are all set as spline holes, and meanwhile, the hexagonal shaft I and the hexagonal shaft II are set as spline shafts.

The flexible turnover device has the advantages of simple structure, convenient operation, complete functions, left and right turnover, sitting up and the like, is suitable for paralytic patients lying in bed for a long time, can lighten the labor intensity of nursing staff, realizes flexible turnover through soft cloth, has light action, does not harm the patients, and has low manufacturing cost, thereby being particularly suitable for home care.

Drawings

FIGS. 1 to 3 are schematic structural views showing an embodiment of a flexible turn-over device according to the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3;

FIG. 5 is a schematic view of the structure of the manual winder;

FIG. 6 is a schematic diagram of a winder;

FIG. 7 is a schematic view of a reel set;

FIG. 8 is a schematic view of a reel;

FIG. 9 is a schematic diagram of the construction of finger sleeve A;

FIG. 10 is a schematic view of the construction of finger sleeve B;

FIG. 11 is a schematic view of the structure of the base;

FIG. 12 is a cross-sectional view of the base;

FIG. 13 is a schematic view of the structure of the cover;

FIG. 14 is a schematic view of the structure of the handlebar;

FIG. 15 is a schematic view of a manual first gear drive configuration;

FIG. 16 is a schematic structural view of a manual second gear transmission;

FIG. 17 is a schematic diagram of a manual third speed transmission configuration;

FIG. 18 is a schematic view of an electrical winder;

fig. 19 is a schematic structural view of the winder a;

FIG. 20 is a schematic view of the structure of the base A;

FIG. 21 is a cross-sectional view of base A;

fig. 22 is a schematic structural view of the cover a;

FIG. 23 is a schematic view of the structure of the drive wheel;

FIG. 24 is a schematic view of the structure of the spindle;

FIG. 25 is a schematic view of an electric first gear drive mode configuration;

FIG. 26 is a schematic diagram of an electric second gear drive mode configuration;

FIG. 27 is a schematic illustration of an electric third speed drive mode configuration;

Detailed Description

The invention is further illustrated by the following examples given in connection with the accompanying drawings.

Fig. 1 to 27 show a specific embodiment of a flexible turnover device of the present invention, which mainly comprises a frame 1, a long rope 2, a short rope 3, a winder, a turnover cloth 5 and a bed, wherein the turnover cloth 5 is transversely laid on the bed, two ends of the turnover cloth are respectively provided with supporting rods 51 along the longitudinal direction, a patient is longitudinally laid on the turnover cloth 5 between the two supporting rods 51, the frame 1 stands on the ground at two sides of the bed, the front end of the frame 1 is positioned at the head of the patient, the rear end is positioned at the buttocks of the patient, the same side at the upper part of the frame 1 is respectively extended from the front end to the front end and the rear end backwards to form a single pulley 11, the other side at the upper part is respectively extended from the front end to the rear end backwards to form a double pulley 12, the frame 1 is provided with a zipper 13 to transversely tension the frame 1 at two sides of the bed, the winder is arranged at the side of the frame 1 at one side of the double pulley 12, the long ropes 2 and the short ropes 3 are respectively arranged at the front end of the frame 1, the long ropes 2 and the short ropes 3 are respectively arranged at the rear end of the frame 1, the long ropes 2 and the short ropes 3 are wound and unwound by the winding device, the two long ropes 2 are pulled out by the winding device, respectively and sequentially bypass the double pulleys 12 and the single pulley 11 at the two ends of the frame 1 and are respectively connected with the two ends of the supporting rod 51 below the same, the two short ropes 3 are pulled out by the winding device, respectively bypass the double pulleys 12 at the two ends of the frame 1 and are respectively connected with the two ends of the supporting rod 51 below the same, the frame 1 is respectively provided with movable hooks 14 at positions close to the two ends of the supporting rod 51 for locking and releasing the supporting rod 51, when the movable hooks 14 hook the two ends of the supporting rod 51 connected with the short ropes 3, the winding device simultaneously winds the two long ropes 2 and pulls one side of the supporting rod 5 to rise, the patient is pushed to turn over from one side, when the movable hook 14 hooks the two ends of the stay bar 51 connected with the long rope 2, the winder simultaneously winds the two short ropes 3 to pull one side of the short rope 3 of the turn-over cloth 5 to rise, the patient is pushed to turn over from the other side, the rear end of the frame 1 is provided with a bolt 15 for limiting the stay bar 51 on the two sides of the patient to rotate by taking the bolt 15 as an axis, and at the moment, the winder simultaneously winds the long rope 2 and the short rope 3 at the front end of the frame 1 to pull the head end of the patient of the turn-over cloth 5 to lift upwards, so that the upper body of the patient is helped to be tilted or seated.

Further, the zipper 13 is positioned below the bed surface.

Further the winder is a manual winder 4 or an electric winder 6

Fig. 1, 3-17 show a specific embodiment of a manual winder 4 configured by a flexible turnover device, wherein the manual winder 4 is provided with a transmission shaft 41, a handle 42 and two winders 43, one winders 43 is arranged at the front end of the frame 1, the other winders are arranged at the rear end of the frame 1, and the transmission shaft 41 is arranged between the two winders 43 for transmission.

The winder 43 is provided with a winding wheel group, a base 435, a bearing A436 and a cover 437, the winding wheel group is provided with two groups, namely a winding wheel group A and a winding wheel group B, the winding wheel group A and the winding wheel group B are respectively provided with a winding wheel 431 and a self-locking spring 432, the winding wheel 431 is provided with a winding groove and an inner hole A, the long rope 2 and the short rope 3 are respectively wound with one winding groove, the winding wheel 431 of the winding wheel group A and the winding wheel group B are coaxially arranged, one end of each winding wheel 431 is connected with the other end of each winding wheel group B in a facing way, the other end of each winding wheel 431 is respectively outwards protruded and provided with an annular boss 4311, the annular boss 4311 is respectively provided with an opening groove 4312, two self-locking springs 432 are respectively sleeved on the outer ring of the annular boss 4311, two ends of a spring wire of the self-locking spring 432 are respectively provided with hooks, the two hooks are arranged in the opening groove 4312, and be equipped with the clearance with open slot 4312 both walls, reel 431 hole A of reel group A is interior to be moved and is equipped with thumb wheel cover A433, reel 431 hole A of reel group B is interior to be moved and is equipped with thumb wheel cover B434, thumb wheel cover A433, thumb wheel cover B434 are equipped with flange A4331, flange B4341 respectively in its outer terminal surface and cover annular boss 4311 outer end, flange A4331, flange B4341 are equipped with thumb wheel A4332, thumb wheel B4342 respectively and insert in open slot 4312, thumb wheel cover A433 is equipped with hole B4333, hole B4333 inwards is equipped with one section hexagonal hole A4334 along its axial from flange A4331 terminal surface, thumb wheel cover B434 is equipped with hole C4343, hole C4343 is equipped with hexagonal hole B4344 from flange B4341 terminal surface along its axial one section hole C4343 after.

The base 435 is provided with a body 4351, one end of the body 4351 is provided with a bearing seat A4352 for mounting a disc of the bearing A436, the bearing seat A4352 is forwards extended and provided with a spring seat A4353, a self-locking spring on the winding wheel set A is arranged in the spring seat A4353 and is tightly expanded, a cover 437 is arranged on the end face of the body 4351 and fixedly connected with a bolt to cover the winding wheel set, a through hole B4371 is arranged on the cover top of the cover 437, the bearing seat B4372 is inwards arranged on the cover top for mounting another bearing A436, the bearing seat B4372 is forwards extended and provided with a spring seat B4373 and is tightly expanded with the self-locking spring 432 at one end of the winding wheel set B, the side wall of the cover 437 is provided with a wire outlet 4374, the body 4351 is provided with a through hole A4354 coaxial with the bearing seat A4352, the body 4351 other end be equipped with the coaxial bearing frame C4355 of through-hole A4354, bearing B438 is installed to bearing frame C4355, through-hole A4354 is equipped with the location pinhole 4356 that radially runs through its wall thickness, location pinhole 4356 is equipped with the step hole, the step hole drill way is equipped with jackscrew 440, be equipped with locating pin 439 in the location pinhole 4356, locating pin 439 front end is equipped with half-head rear end and is equipped with the step axle that is greater than the front end, half-head stretches into through-hole A4354, the step axle ends in the step hole, be equipped with the positioning spring behind the step axle to by jackscrew 440 is propped up, body 4351 one side is equipped with bottom plate 4357, bottom plate 4357 with body 4351L shape sets up, bottom plate 4357 is fixed in by the bolt frame 1 side.

Further, both ends of the transmission shaft 41 are fixed in the holes of the bearing B438, and both ends are provided with hexagonal holes C411.

Further, the radial dimensions of the hexagonal hole A4334, the hexagonal hole B4344 and the hexagonal hole C411 are the same, the handle 42 is provided with a hexagonal shaft I and the hexagonal hole A4334, the hexagonal hole B4344 and the hexagonal hole C411 are in sliding fit, the front end of the hexagonal shaft I is provided with a guide shaft in a protruding mode, the rear end of the hexagonal shaft I is provided with an optical axis which can be inserted into the hole of the bearing 436 in a backwards extending mode, the end of the optical axis is provided with a crank perpendicular to the optical axis, the tail end of the crank is provided with a handle which is reversely extended with the hexagonal shaft I, the handle is characterized in that the hexagonal shaft I is provided with two sections, the hexagonal shaft I421 and the hexagonal shaft I422 are sequentially arranged from front to back, the hexagonal shaft I421 and the hexagonal shaft I B422 are connected through shafts of the hexagonal hole A4334 and the hexagonal hole B4344, the surface of the hexagonal shaft I is provided with three annular grooves, the grooves A423, the grooves B424 and the groove C425 are sequentially arranged from front to back, and the grooves A, the groove B424 and the groove 425 are matched with the two positioning pins 425 in a side-turning mode, and the two side turning mode of the head is achieved.

Fig. 15 shows the internal structure of the manual winder 4 in the first gear transmission, the hexagonal shaft i of the handle 42 is inserted through the through hole B4371 of the cover 437 of the winder 43 disposed at the front end of the frame 1, and sequentially passes through the inner hole of the bearing a436, the inner hole C4343, the hexagonal hole B4344, the inner hole B4333 to the hexagonal hole a4334, the ball of the positioning pin 439 is inserted into the groove a423, and the hexagonal shaft ia 421 cooperates with the hexagonal hole B4344 and the hexagonal hole a4334 to transmit, and simultaneously wind or release the long rope 2 and the short rope 3 at the front end of the frame 1.

Fig. 16 shows the internal structure of the manual winder 4 in the second gear transmission, the hexagonal shaft i of the handle 42 is inserted into the groove B424 from the first gear position, the ball head inserted forward into the positioning pin 439 is inserted into the groove B, the hexagonal shaft ia 421 is separated from the hexagonal hole B4344 and is simultaneously engaged with the hexagonal hole a4333 and the hexagonal hole C411 of the transmission shaft 41, and then the other handle 42 is inserted into the same depth position of the winder 43 at the rear end of the frame 1, at this time, either handle is swung, and the manual winder 4 simultaneously winds or releases the two long ropes 2 or the two short ropes 3 at both ends of the frame 1.

Fig. 17 shows the internal structure of the manual winder 4 in the third gear transmission, the hexagonal shaft i of the handle 42 is inserted into the groove C425 from the second gear position, the ball head inserted forward into the positioning pin 439 is inserted into the groove C425, the hexagonal shaft ia 421 is separated from the hexagonal hole a4333 and is only engaged with the hexagonal hole C411 of the transmission shaft 41, the hexagonal shaft ib 422 is engaged with the hexagonal hole B4344, and then the other handle 42 is inserted into the same depth position of the winder 43 at the rear end of the frame 1, at this time, either handle is rocked, and the manual winder 4 simultaneously winds or releases the two short ropes 3 or the two long ropes 2 at both ends of the frame 1.

Further, sleeves are provided at the ends of the two sides of the turn-over cloth 5, and the stay bars 51 are provided in the sleeves.

Fig. 2 to 4 and fig. 7 to 10 and fig. 18 to 27 show an embodiment of a flexible turn-over device equipped with an electric winder 6 according to the present invention, said electric winder 6 being provided with a transmission shaft 41, an automatic gear shifter 61, a motor transmission 62, a winder a63 and a control system.

Further, two winders a63 are provided, one is provided at the front end of the frame 1, the other is provided at the rear end of the frame 1, and the transmission shaft 41 is provided between the two winders a63 for transmission.

The winder A63 is provided with a winding wheel group, a base A631, a cover A632 and a bearing A436, the winding wheel group is provided with two groups, namely a winding wheel group A and a winding wheel group B, the winding wheel group A and the winding wheel group B are respectively provided with a winding wheel 431 and a self-locking spring 432, the winding wheel 431 is provided with a winding groove and an inner hole A, the long rope 2 and the short rope 3 are respectively wound with one winding groove, the winding wheel 431 of the winding wheel group A and the winding wheel group B are coaxially arranged, one end of each winding wheel 431 is connected with the other end of each winding wheel group A and the other end of each winding wheel group B in a face-to-face way, the other end of each winding wheel is respectively outwards protruded to be provided with an annular boss 4311, the annular boss 4311 is respectively provided with an opening groove 4312, the two self-locking springs 432 are respectively sleeved on the outer ring of the annular boss 4311, two ends of a spring wire of the self-locking spring 432 are respectively provided with hooks, the two hooks are arranged in the opening groove 4312, and a gap is formed between the inner wall of the reel 431 of the winding wheel set A and the two groove walls of the opening groove 4312, a pusher dog sleeve A433 is movably arranged in the inner hole A of the reel 431 of the winding wheel set A, a pusher dog sleeve B434 is movably arranged in the inner hole A of the reel 431 of the winding wheel set B, a flange A4331 and a flange B4341 are respectively arranged on the outer end surfaces of the pusher dog sleeve A433 and the pusher dog sleeve B434 and cover the outer end of the annular boss 4311, the flange A4331 and the flange B4341 are respectively provided with a pusher dog A4332 and a pusher dog B4342 which are inserted into the opening groove 4312, the pusher dog sleeve A433 is provided with an inner hole B4333, a section of hexagonal hole A4334 is inwards arranged on the end surface of the flange A4331 along the axial direction of the inner hole A4334, the pusher dog sleeve B434 is provided with an inner hole C4343, and the inner hole C4343 is provided with a hexagonal hole B4344 after the inner hole C4343 crosses over the section of the inner hole C4343 along the axial direction of the end surface of the flange B4341.

The base A631 differs from the base 435 only in that the registration pin holes 4356 and the arrangement of the jackscrews 440, registration pins 439 and registration springs are eliminated, the remaining arrangement being identical to the base 435. The base A631 is provided with a body A6311, one end of the body A6311 is provided with a bearing seat D6312 for installing a disc, the bearing seat D6312 is provided with a spring seat C6313 in a forward extending mode, a self-locking spring 432 at one end of the winding wheel set A is arranged in the spring seat C6313 and is tightly expanded, a cover A632 is arranged on the end face of the body A6311 and fixedly connected with the end face through bolts, the winding wheel set is covered by the cover A632, a through hole C6324 is formed in the cover A632 in a covering mode, an annular boss A6321 coaxial with the through hole C6324 is arranged on the cover A632 in a protruding mode outwards, a spring seat C6322 and a self-locking spring B432 at one end of the winding wheel set B are arranged inwards in a tensioning mode, a wire outlet hole A6323 is formed in the side wall of the cover A632, a through hole D6314 coaxial with the bearing seat D6312 is formed in the body A6311, a bearing seat E6315 coaxial with the through hole D6314 is formed in the other end of the body A6311, a bearing seat E6315 is installed on the body B438, one side of the cover A632 is provided with a bottom plate A6316 and is fixedly arranged on the side face of the bottom plate A6316.

The automatic gear shifter 61 is further provided with a main shaft 611, the main shaft 611 is provided with a hexagonal shaft II which is in sliding fit with the hexagonal holes A4334, B4344 and C411, the hexagonal shaft II is provided with two sections, the hexagonal shaft II is sequentially provided with a hexagonal shaft IIA 6113 and a hexagonal shaft IIB 6114 from front to back, a shaft connection capable of passing through the hexagonal holes A and B is arranged between the hexagonal shaft IIA 6113 and the hexagonal shaft IIB 6114, the front end of the hexagonal shaft II is provided with a guide shaft in a protruding mode, the rear end of the hexagonal shaft II is provided with a guide rod 6111, the middle part of the guide rod 6111 is provided with a positioning ring 6112, two sides of the guide rod 6111 are respectively and outwards provided with a spring 612 and an electromagnetic coil 613, a housing is provided for fixing the two electromagnetic coils 613, the housing is provided with a connecting seat 614, one end of the connecting seat is provided with a connecting plate 615 which is fixedly connected with the base A631, the other end of the connecting seat is provided with an end cover 616 which is connected with the guide rod 6112, the guide rod 6112 is provided with a guide rod 6112, and the rear end of the guide rod 6112 is provided with a guide rod 6112, and the guide rod 6112 is provided with a guide rod 6112.

Further, the motor transmission mechanism 62 is provided with a transmission wheel 621, a transmission belt 622, a driving wheel 623 and a motor, and the motor is mounted on the frame 1 and drives the main shaft 611 to rotate through the driving wheel 623, the transmission belt 622 and the transmission wheel 621.

The driving wheel 621 is further provided with a hexagonal hole D6211, the hexagonal hole D6211 is slidably matched with the hexagonal shaft ii, one end of the driving wheel 621 is provided with a bearing hole 6212, a bearing C624 is arranged in the bearing hole 6212, and the bearing C624 is arranged on the annular boss a6321 of the cover a 632.

Further, the control system is set to be a manual control mode and an automatic control mode, and the electromagnetic coil 613 and the motor are controlled to be powered on and powered off.

Fig. 23 shows the internal structure of the electric winder 6 in the first gear electric transmission, the electromagnetic coil 613 behind the positioning ring 6112 is electrified, the main shaft 611 moves backward, the positioning ring 6112 moves to the electromagnetic coil 613 behind it and compresses the spring 612 behind the positioning ring 6112, and the hexagonal shaft ii a6113 is in cooperation transmission with the hexagonal holes B4344 and a 4333.

Fig. 24 shows the internal structure of the electric winder 6 during the second gear electric transmission, the electromagnetic coils 613 in front and behind the positioning ring 6112 are powered off, the positioning ring 6112 is pushed between the two electromagnetic coils 613 by the springs 612 at the two ends of the positioning ring 6112, and the hexagonal shaft ii a6113 is separated from the hexagonal hole B4344 and is simultaneously matched with the hexagonal hole a4333 and the hexagonal hole C411 of the transmission shaft 41 for transmission.

Fig. 25 shows the internal structure of the electric winder 6 in the third electric drive, the electromagnetic coil 613 in front of the positioning ring 6112 is energized, the main shaft 611 moves forward, the positioning ring 6112 moves to the electromagnetic coil 613 in front of the positioning ring 6112 and compresses the spring 612 in front of the positioning ring 6112, the hexagonal shaft iia 6113 is separated from the hexagonal hole a4333 and is only engaged with the hexagonal hole C411 of the drive shaft 41, and the hexagonal shaft iib 6114 is engaged with the hexagonal hole B4344.

Claims (7)

1. The utility model provides a flexible turnover device, its characterized in that mainly includes frame (1), long rope (2), short rope (3), coiler, turnover cloth (5) and bed, turnover cloth (5) transversely lays on the bed, and its both ends are equipped with vaulting pole (51) respectively along vertically, and the patient is vertically lying on turnover cloth (5) between two vaulting poles (51), frame (1) stand on the ground of bed both sides, the front end of frame (1) is located patient's head, and the rear end is located patient's buttock, frame (1) upper portion homonymy is respectively by front end forward, rear end backward respectively stretches out and sets up a single pulley (11), and upper portion opposite side is respectively by front end forward, rear end backward respectively stretches out a double pulley (12), frame (1) are equipped with zip lock (13) and transversely are strained frame (1) in the bed both sides, coiler is located frame (1) side of one side of double pulley (12), long rope (2) and short rope (3) are located respectively one frame (1) the front end, respectively one long rope (2) and short rope (3) are located by the winding up of both ends (2) respectively, the long rope (2) are passed through by the single pulley (2) and the coiler in proper order, the two short ropes (3) are respectively connected with two ends of a supporting rod (51) below the frame, the two short ropes (3) are pulled out by the winding device and respectively bypass the two pulleys (12) at two ends of the frame (1), the two short ropes (3) are directly connected with two ends of the supporting rod (51) below the frame, the frame (1) is respectively provided with movable hooks (14) at positions close to two ends of the supporting rod (51) for locking the supporting rod (51), when the movable hooks (14) hook two ends of the supporting rod (51) connected with the short ropes (3), the winding device simultaneously winds two long ropes (2) to pull one side of the long ropes (2) to lift the patient, when the movable hooks (14) hook two ends of the supporting rod (51) connected with the long ropes (2), the winding device simultaneously winds two short ropes (3) to lift one side of the supporting rod (5) to push the patient to lift the other side, the frame (1) is provided with the lifting end (15) for simultaneously winding the supporting rod (5) around the supporting rod (1) or the two sides of the supporting rod (13) to be used for supporting the patient, the patient is limited to be lifted up by the supporting rod (1) at the moment, and the lifting device is used for winding the supporting rod (13 at the front end of the patient is positioned on the upper end of the supporting rod (1), the winding device is a manual winding device (4) or an electric winding device (6).

2. The flexible turnover device according to claim 1, characterized in that the manual winding device (4) is provided with a transmission shaft (41), a handle (42) and winding devices (43), two winding devices (43) are arranged, one winding device is arranged at the front end of the frame (1), the other winding device is arranged at the rear end of the frame (1), and the transmission shaft (41) is arranged between the two winding devices (43) for transmission.

3. The flexible turnover device according to claim 2, wherein the winder (43) is provided with a base (435) the base (435) is provided with a body (4351), one end of the body (4351) is provided with a bearing seat a (4352) and is characterized in that the body (4351) is provided with a through hole a (4354) coaxial with the bearing seat a (4352), the other end of the body (4351) is provided with a bearing seat C (4355) coaxial with the through hole a (4354), the bearing seat C (4355) is provided with a bearing B (438), the through hole a (4354) is provided with a positioning pin (439), the front end of the positioning pin (439) is provided with a semicircular head, the semicircular head stretches into the through hole a (4354), the positioning pin is provided with a positioning spring and is supported by a jackscrew (440), two ends of the transmission shaft (41) are fixed in the inner hole of the bearing B (438), and two ends of the transmission shaft are provided with hexagonal holes (C411).

4. A flexible turnover device according to claim 3, said handle (42) is provided with a hexagonal shaft i, characterized in that said hexagonal shaft i has three annular grooves on its surface, respectively cooperating with said positioning pins (439) for achieving a three-gear transmission.

5. A flexible turn-over device according to claim 1, characterized in that the electric winder (6) is provided with an automatic gear shifter (61), a motor drive (62) and a winder a (63).

6. The flexible turnover device according to claim 5, wherein the automatic gear shifter (61) is provided with a main shaft (611), the main shaft (611) is provided with a hexagonal shaft II, the rear end of the hexagonal shaft II is provided with a guide rod (6111), the middle part of the guide rod (6111) is provided with a positioning ring (6112), and springs (612) and electromagnetic coils (613) are respectively and sequentially arranged on the guide rod (6111) outwards at two sides of the positioning ring (6112).

7. The flexible turnover device of claim 6, wherein the winder A (63) is provided with a cover A (632), the motor transmission mechanism (62) is provided with a transmission wheel (621) to drive the main shaft (611) to rotate, the transmission wheel (621) is provided with a hexagonal hole D (6211), the hexagonal hole D (6211) is in sliding fit with the hexagonal shaft II, one end of the transmission wheel (621) is provided with a bearing hole (6212), a bearing C (624) is arranged in the bearing hole (6212), and an inner hole of the bearing C (624) is arranged on an annular boss A (6321) of the cover A (632).