CN112842747B

CN112842747B - Operation process of medical auxiliary device

Info

Publication number: CN112842747B
Application number: CN202110178092.2A
Authority: CN
Inventors: 王秀庆; 何绍木; 刘小明; 张新华; 卢丽娟
Original assignee: University of Shaoxing
Current assignee: University of Shaoxing
Priority date: 2021-02-09
Filing date: 2021-02-09
Publication date: 2022-02-01
Anticipated expiration: 2041-02-09
Also published as: CN112842747A

Abstract

The invention discloses an operation process of a medical auxiliary device, which comprises the following steps that a patient gets off a bed, the back and the hip of the patient are lifted, a second cylinder in an adjusting mechanism extends, a first frame rotates to ascend, and the back of the patient is lifted; the third cylinder extends the second frame to rotate and rise, so as to lift the hip of the patient; the third mattress frame rotates, and the legs of the patient naturally droop; the patient is rotated, the rotating mechanism rotates to drive the adjusting mechanism to rotate, so that the patient faces to the width direction of the medical bed; the back of the patient is erected and the hip of the patient is flat, the third air cylinder is contracted, and the second frame rotates and descends, so that the hip of the patient is flat; the fourth cylinder extends, the third frame is rotationally abutted against and pushes the first mattress frame, so that the back of the patient is erected, and at the moment, the leg of the patient naturally droops and is positioned on the side face of the medical bed; the height of the medical bed is reduced, and the height between the bed board and the ground is reduced through the lifting mechanism, so that the medical bed descends. The invention assists the patient with inconvenient actions to get on or off the bed through simple operation, and has simple and convenient operation and good practicability.

Description

Operation process of medical auxiliary device

Technical Field

The invention relates to the technical field of medical auxiliary devices, in particular to an operation process of a medical auxiliary device.

Background

The medical bed is as medical auxiliary instrument, for one of the important apparatus of patient daily life, can switch between formula of lying and the horizontal, it is especially convenient to the inconvenient patient of action, some medical beds still have rotatory and function of going up and down at present and assist the inconvenient patient of action to go up and down the bed, but these mechanisms cooperation are simple coarse, patient result of use is not good, and most all realize through manual operation moreover, efficiency is not high, the operation is inconvenient, consequently the urgent need is improved to this.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide an operation process of a medical auxiliary device, which is simple and convenient to operate and good in practicability and can be used for assisting a patient with inconvenient actions to get on or off a bed through simple operation.

In order to achieve the purpose, the invention adopts the following technical scheme:

a process for operating a medical aid device, comprising the steps of:

s1, enabling the patient to lie on the medical bed, wherein the mattress frame is composed of a first mattress frame, a second mattress frame and a third mattress frame, the upper half body of the patient is positioned above the first mattress frame, the lower half body of the patient is positioned above the second mattress frame and the third mattress frame, and the protection plates are positioned on two sides of the medical bed and are higher than the mattresses;

s2, lifting the back and the hip of the patient, extending a second air cylinder in the adjusting mechanism, and lifting the first frame in a rotating way to lift the back of the patient; the third cylinder extends the second frame to rotate and rise, so as to lift the hip of the patient; the third mattress frame rotates, and the legs of the patient naturally droop;

s3, rotating the patient, wherein the rotating mechanism rotates to drive the adjusting mechanism to rotate, so that the patient faces the width direction of the medical bed, and meanwhile, the protection plate descends and is slightly lower than the upper surface of the medical bed;

s4, the back of the patient is erected and the hip of the patient is flat, the third air cylinder is contracted, and the second frame rotates and descends to enable the hip of the patient to be flat; the fourth cylinder extends, the third frame is rotationally abutted against and pushes the first mattress frame, so that the back of the patient is erected, and at the moment, the leg of the patient naturally droops and is positioned on the side face of the medical bed;

and S5, lowering the height of the medical bed, and lowering the height of the bed plate and the ground through the lifting mechanism to enable the medical bed to descend.

Bed boards are arranged on two sides of the medical bed, the lifting mechanism is positioned in the bed boards, the protection plates are positioned between the two bed boards, the protection plates are positioned on two sides of the medical bed in the width direction, the upper parts of the protection plates are higher than the upper parts of the mattresses, guide blocks are arranged on the protection plates towards two sides of the bed boards, guide rails are arranged on one sides of the bed boards towards the protection plates, and the guide blocks are inserted into the guide rails and can move along the guide rails;

the rotating mechanism comprises a fixed disc fixed on the medical bed and a rotating disc which is positioned above the fixed disc and can horizontally rotate, a driving motor is fixed on the lower portion of the fixed disc, the shaft of the driving motor is connected with the rotating disc, and the rotating disc is fixedly connected with the supporting plate.

Supporting blocks are arranged at the upper end and the lower end of the guide block respectively, the upper portions of the supporting blocks located at the upper portions of the guide blocks on the two sides are connected with second springs, the upper portions of the second springs are connected with the top of the bed board, and when the protection plate descends, the second springs stretch.

The lower parts of the supporting blocks positioned at the lower parts of the guide blocks on the two sides are connected with steel wire ropes, the other ends of the steel wire ropes are connected with rotatable third guide discs, the number of the third guide discs is two, the third guide discs are connected with a rotating mechanism through chains, and when the rotating mechanism rotates, the third guide discs rotate to wind the steel wire ropes and drive the protection plates to move downwards.

Every the below of guard plate both sides all is equipped with first positioning disk, first positioning disk is installed in the bed board towards one side of guard plate, the axis and the bed board of first positioning disk are perpendicular, the medical bed sub-unit connection has rotatable second positioning disk, the axis and the medical bed of second positioning disk are perpendicular, the quantity of second positioning disk is four, every wire rope passes through a first positioning disk and a second positioning disk in proper order and connects on the third positioning disk.

The quantity of third positioning disk is two and is located slewing mechanism's both sides respectively, with slewing mechanism is the demarcation point, is located two of homonymy wire rope all connects on same third positioning disk, every third positioning disk upper portion all is equipped with the first gear that can rotate jointly with the third positioning disk, be fixed with the second gear in driving motor's the drive shaft, the second gear passes through the baffle and separates for two upper and lower gears, two upper and lower the gear passes through chain drive with two first gears respectively and is connected.

The fixed disk inner surface is provided with a bearing mounting hole on the axis, a bearing is fixed in the bearing mounting hole, a rotating part is arranged on the inner surface of the rotating disk, the rotating part is coaxial with the rotating disk, a limiting part is arranged on the upper part of the driving shaft, the driving shaft is inserted into and penetrates through the bearing, and the limiting part is inserted into and limited by the rotating part.

The invention has the beneficial effects that: lift up patient's back and buttock through first frame and second frame, through the rotatory patient of slewing mechanism, reduce the height of medical bed through elevating system, can prevent through the guard plate that the patient from dropping from the medical bed, made things convenient for inconvenient patient to get off the bed, easy operation is reasonable, and the practicality is good.

Drawings

FIG. 1 is an exploded view of the present invention;

FIG. 2 is a schematic structural diagram of a first state of the present invention;

FIG. 3 is an enlarged view of FIG. 2 at A;

FIG. 4 is a schematic structural diagram of a second state of the present invention;

FIG. 5 is a schematic structural diagram of a third state of the present invention;

FIG. 6 is a front view of the present invention;

FIG. 7 is a bottom view of the present invention;

FIG. 8 is a schematic structural view of a rotating mechanism;

FIG. 9 is an exploded view of the rotating mechanism;

FIG. 10 is a cross-sectional view of the rotating mechanism;

FIG. 11 is an enlarged view of FIG. 10 at B;

FIG. 12 is an enlarged view of FIG. 10 at C;

FIG. 13 is a schematic structural view of a fixing plate;

FIG. 14 is a schematic view of the structure of the rotary disk;

FIG. 15 is a schematic view of the adjustment mechanism of the present invention in a first state;

FIG. 16 is a schematic view of the adjustment mechanism of the present invention in a second state;

FIG. 17 is a schematic view of the adjustment mechanism of the present invention in a third state;

FIG. 18 is a schematic structural view of the lifting mechanism;

fig. 19 is a schematic view of the structure of the second and third mattress frames in cooperation;

fig. 20 is a state diagram of the present invention in use.

In the figure: the medical bed 1, the bed plate 11, the guide rail 12, the first guide disc 13, the second guide disc 14, the third guide disc 15, the wire rope 16, the chain 17, the first gear 18, the lifting mechanism 2, the guide rod 21, the lifting rod 22, the connecting rod 23, the guide hole 231, the first latch 232, the bidirectional cylinder 24, the connecting block 25, the guide rib 26, the second latch 261, the first cylinder 27, the rotating mechanism 3, the fixed disc 31, the first limit groove 311, the placing hole 312, the second limit groove 313, the first limit rib 314, the through hole 315, the first guide groove 316, the first limit block 317, the mounting part 318, the second guide groove 319, the rotating disc 32, the annular seal rib 321, the first protrusion 322, the second limit rib 323, the rotating part 324, the reinforcing rib 325, the guide boss 326, the first seal cover 33, the drive motor 34, the bearing 341, the second gear 342, the baffle 343, the drive shaft 344, the limit part 345, the second seal cover 35, the guide bar 17, the fixed disc 31, the first limit groove 312, the second limit groove 312, the first limit groove 311, the second limit groove 312, the second limit groove and the second groove, The limiting boss 351, the steel ball 36, the first sealing element 37, the first sheet body 371, the second sealing element 38, the groove 381, the second sheet body 382, the first spring 39, the adjusting mechanism 4, the supporting plate 41, the first supporting rib 411, the second protrusion 412, the first frame 42, the second cylinder 421, the third protrusion 422, the second supporting rib 423, the second frame 43, the third cylinder 431, the third frame 44, the fourth cylinder 441, the first mattress frame 5, the second mattress frame 6, the second limiting block 61, the third mattress frame 7, the third limiting block 71, the lubricating element 8, the protecting plate 9, the second spring 91, the guide block 92 and the supporting block 93.

Detailed Description

The invention is further described with reference to the accompanying drawings and the detailed description below:

in the description of the present specification, the terms "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or unit must have a specific direction, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 to 20, a process for operating a medical assistance device includes the steps of:

s1, the patient lies on the medical bed 1, the mattress frame is composed of a first mattress frame 5, a second mattress frame 6 and a third mattress frame 7, the upper half of the body of the patient is positioned above the first mattress frame 5, the lower half of the body of the patient is positioned above the second mattress frame 6 and the third mattress frame 7, and the protection plates 9 are positioned on two sides of the medical bed 1 and are higher than the mattress;

s2, lifting the back and the hip of the patient, extending the second air cylinder 421 in the adjusting mechanism 4, rotating and lifting the first frame 42, and lifting the back of the patient; the third cylinder 431 extends to the second frame 43 to rotate and rise, and the hip of the patient is lifted; the third mattress frame 7 rotates, and the legs of the patient naturally droop;

s3, rotating the patient, wherein the rotating mechanism 3 rotates to drive the adjusting mechanism 4 to rotate, so that the patient faces the width direction of the hospital bed 1, and meanwhile, the protection plate 9 descends to be slightly lower than the upper surface of the hospital bed 1;

s4, the back of the patient is upright and the buttocks are flat, the third cylinder 431 is contracted, and the second frame 43 rotates and descends, so that the buttocks of the patient are flat; the fourth cylinder 441 is extended, and the third frame 44 is rotated to abut against and push the first mattress frame 5, so that the back of the patient is erected, and the leg of the patient naturally hangs down and is positioned at the side of the medical bed 1;

s5, the height of the bed 1 is lowered, and the height of the bed plate 11 and the ground is lowered by the lifting mechanism 2, so that the bed 1 is lowered.

According to the invention, the patient can lie down and sit up through the adjusting mechanism 4, when the patient needs to get off the bed, the adjusting mechanism 4 is rotated through the rotating mechanism 3, and the patient is assisted to get off the bed through the lifting mechanism 2, so that the structure is simple and reasonable, the practicability is good, the patient with inconvenient movement can get on or off the bed greatly conveniently, the working strength of medical staff is reduced, wherein the patient is effectively prevented from falling off the medical bed 1 through the arrangement of the protection plate 9, and the safety of the invention is greatly improved.

1 both sides of medical bed are equipped with bed board 11, elevating system 2 is located inside bed board 11, guard plate 9 is located between two bed boards 11, guard plate 9 is located the ascending both sides of 1 width direction of medical bed, guard plate 9 upper portion is higher than mattress upper portion, guard plate 9 is equipped with guide block 92 towards 11 both sides of bed board, bed board 11 is equipped with guide rail 12 towards one side of guard plate 9, guide block 92 inserts in guide rail 12 and can follow guide rail 12 and remove, through guide rail 12 and guide block 92's cooperation for guard plate 9 moves more steadily in the same direction as smooth, and the effectual guard plate 9 that prevents blocks in the motion process dies.

The rotating mechanism 3 comprises a fixed disc 31 fixed on the medical bed 1 and a rotating disc 32 which is positioned above the fixed disc 31 and can horizontally rotate, a driving motor 34 is fixed on the lower portion of the fixed disc 31, the shaft of the driving motor 34 is connected with the rotating disc 32, the rotating disc 32 is fixedly connected with the supporting plate 41, and the driving motor 34 drives the rotating disc 32 to rotate so as to assist a patient to get off the bed.

The upper end and the lower end of the guide block 92 are respectively provided with a supporting block 93, the upper parts of the supporting blocks 93 positioned at the upper parts of the guide blocks 92 at the two sides are connected with a second spring 91, the upper part of the second spring 91 is connected with the top of the bed plate 11, and when the protection plate 9 descends, the second spring 91 stretches.

The lower portion of the supporting block 93 positioned at the lower portions of the guide blocks 92 at two sides is connected with a steel wire rope 16, the other end of the steel wire rope 16 is connected with a rotatable third guide plate 15, the number of the third guide plates 15 is two, the third guide plate 15 is connected with the rotating mechanism 3 through a chain 17, when the rotating mechanism 3 rotates, the third guide plate 15 is wound on the steel wire rope 16 in a rotating mode and drives the protection plates 9 to move downwards, specifically, a first guide plate 13 is arranged below each of the two sides of the protection plates 9, the first guide plates 13 are installed on one side, facing the protection plates 9, of the bed plate 11, the axis of each first guide plate 13 is perpendicular to the bed plate 11, the lower portion of the medical bed 1 is connected with a rotatable second guide plate 14, the axis of each second guide plate 14 is perpendicular to the medical bed 1, the number of the second guide plates 14 is four, and each steel wire rope 16 sequentially passes through one first guide plate 13 and one second guide plate 14 and is connected to the third guide plate 15 On the plate 15, the number of the third guide plates 15 is two and the third guide plates 15 are respectively positioned at two sides of the rotating mechanism 3, the two steel wire ropes 16 positioned on the same side are connected to the same third guide disc 15 by taking the rotating mechanism 3 as a dividing point, wherein, each third guiding disc 15 is provided with two annular grooves, each steel wire rope 16 is fixed in the corresponding groove, when the third guide discs 15 rotate, the steel wire ropes 16 are wound along the grooves, and the two adjacent steel wire ropes 16 are not interfered with each other, so that the steel wire ropes 16 are effectively prevented from being interfered with each other in the winding and unwinding processes, the lifting of the protection plate 9 is influenced, the upper part of each third guide disc 15 is provided with a first gear 18 which can rotate together with the third guide disc 15, a second gear 342 is fixed on a driving shaft 344 of the driving motor 34, the second gear 342 is divided into an upper gear and a lower gear by a baffle 343, and the upper gear and the lower gear are respectively connected with the two first gears 18 in a transmission manner through a chain 17.

When the patient lies flat, guard plate 9 is higher than the mattress, can prevent that the patient from rolling down when standing up, when the patient needs to get off the bed, it is rotatory to drive rolling disc 32 through driving motor 34, supplementary patient gets off the bed, and simultaneously, second gear 342 on driving motor 34 is rotatory and through the transmission of chain 17, it is rotatory to drive third guide disc 15, fix wire rope 16 spin-winding on

third guide disc

15, 16 pulling guard plate 9 through wire rope, make things convenient for the patient to get off the bed, when guard plate 9 moves down, second spring 91 is tensile, therefore, when slewing mechanism 3 rotatory resets, second spring 91 kick-backs, make guard plate 9 reset, and is simple and reasonable in structure, and the practicality is good.

The second guide disc 14 and the third guide disc 15 are located at the same height, the steel wire rope 16 located right below the supporting block 93 is tangent to the first guide disc 13, and the steel wire rope 16 located below the first guide disc 13 is flush with the second guide disc 14.

The side surface of the fixed disc 31 is provided with a plurality of mounting parts 318 which are uniformly distributed along the axial direction, screws penetrate through the mounting parts 318 and are screwed into the medical bed 1 for fixing, the driving motor 34 is vertically and upwards fixed at the lower part of the fixed disc 31 through the screws, the inner surface of the fixed disc 31 is provided with bearing mounting holes on the axis, bearings 341 are fixed in the bearing mounting holes, the inner surface of the rotating disc 32 is provided with rotating parts 324, the rotating parts 324 are coaxial with the rotating disc 32, the upper part of the driving shaft 344 is provided with limiting parts 345, the driving shaft 344 is inserted into and penetrates through the bearings 341, and the limiting parts 345 are inserted into and limited by the rotating parts 324.

The annular inner side of the fixed disc 31 is provided with a first guide groove 319, the opening of the first guide groove 319 faces the inner side of the fixed disc 31, the first guide groove 319 is internally provided with a plurality of steel balls 36 capable of rolling along the first guide groove 319, the opening of the first guide groove 319 is slightly smaller than the diameter of the steel balls 36, a part of the steel balls 36 penetrates through the opening of the first guide groove 319, namely, after the steel balls 36 are installed, the steel balls 36 cannot fall from the opening of the first guide groove 319, the first guide groove 319 and the steel balls 36 are in clearance fit, the steel balls 36 can roll in the first guide groove 319, the steel balls 36 are prevented from being clamped, lubricant can be added in the first guide groove 319, the rolling performance of the steel balls 36 is improved, the friction resistance is reduced, the lower part of the rotating disc 32 extends downwards and is provided with an annular first protrusion 322, the first protrusion 322 is inserted into the fixed disc 31, the part of the steel balls 36, which penetrates through the opening of the first guide groove 319, abuts against the annular outer side of the first protrusion 322, the side of the rotating disc 32 forms a structure similar to a bearing through the cooperation of the steel balls 36, so that the rotating disc 32 can rotate more stably and reliably, the comfort level of a patient is improved, the friction resistance can be reduced, the rotating disc 32 can rotate more smoothly, the structure is simple and reasonable, and the practicability is good.

The side surface of the fixed disk 31 is provided with a placing hole 312, the placing hole 312 is respectively communicated with the first guide groove 319 and the annular outer side of the fixed disk 31, the section diameter of the placing hole 312 is larger than that of the steel ball 36, the side surface of the fixed disk 31 is provided with a second sealing cover 35, the side surface of the second sealing cover 35 is provided with a limiting boss 351, the limiting boss 351 is inserted into the placing hole 312, the second sealing cover 35 is fixedly connected with the fixed disk 31, specifically, the steel ball 36 is placed into the first guide groove 319 through the placing hole 312, the second sealing cover 35 is covered after the steel ball 36 is installed, the steel ball 36 is prevented from escaping, the installation is convenient and rapid, the annular side surface of the placing hole 312 has a certain inclination, the opening size of the placing hole 312 at one side of the first guide groove 319 is smaller than the section size at the outer side of the fixed disk 31, the design can play a certain guiding role, and greatly facilitates the installation of the steel ball 36, the limiting boss 351 is located on one side of the first guide groove 319 and is flush with the surface of the first guide groove 319, so that the steel balls 36 roll more smoothly, and the second sealing cover 35 and the fixed disk 31 can be fixed by welding or by screws.

The lower part of the fixed disc 31 is covered with a first sealing cover 33, the fixed disc 31 is internally provided with a plurality of through holes 315 penetrating through the upper surface and the lower surface of the fixed disc 31, the through holes 315 are internally provided with steel balls 36, the steel balls 36 can roll in the through holes 315, the through holes 315 can be filled with lubricant, so that the steel balls 36 roll more smoothly, the lower parts of the steel balls 36 are abutted with first springs 39, the lower parts of the first springs 39 are abutted with the upper parts of the first sealing covers 33, the diameter of the openings of the through holes 315 positioned on the upper surface of the fixed disc 31 is smaller than that of the steel balls 36, the design can prevent the steel balls 36 from running out from the openings on the upper surface of the fixed disc 31, the upper parts of the steel balls 36 penetrate through the openings of the through holes 315 positioned on the upper surface of the fixed disc 31 and penetrate out parts of the lower parts of the first bulges 322, the lower parts of the rotating disc 32 are supported by the steel balls 36, when a patient is positioned on the medical bed 1, the rotating disc 32 is subjected to downward gravity of the patient, the first spring 39 of steel ball 36 lower part is slightly out of shape, first spring 39 elasticity is great, the deflection is little, wherein, the axle of driving motor 34 and rotation portion 324 can be in vertical direction relative motion, there is certain distance at the top of the axle of driving motor 34 and the inside top of rotation portion 324, when rotating rolling disc 32, the side and the ground of rolling disc 32 all contact through steel ball 36, can prevent driving motor 34's axle atress through above-mentioned design, the life of driving motor 34 has not only been improved greatly, the frictional resistance of rolling disc 32 has also been reduced, make rolling disc 32 rotate more steadily, and is simple in structure reasonable, and the practicality is good.

Wherein, the inside upper surface of fixed disk 31 still is equipped with second spacing groove 313, be equipped with the emollient 8 in the second spacing groove 313, the emollient 8 is higher than second spacing groove 313 upper surface, the material of emollient 8 is polytetrafluoroethylene, bear the power greatly when rolling disc 32, first spring 39 receives the compressive deformation great, first protruding 322 lower part can butt the emollient 8 upper surface, because polytetrafluoroethylene not only intensity is high, and have self-lubricating nature, consequently, rolling disc 32 not only can normally rotate, but also can play sealed effect, prevent that the emollient from leaking.

An annular first limiting rib 314 extends upwards from the inside of the fixed disc 31, a first sealing element 37 is fixed on the upper portion of the first limiting rib 314, an annular second limiting rib 323 extends downwards from the lower portion of the rotating disc 32, the second limiting rib 323 is located on the inner side of the first protrusion 322, the first limiting rib 314 is inserted into a gap between the second limiting rib 323 and the first protrusion 322, first sheet-shaped bodies 371 extend downwards in an inclined manner on two sides of the first sealing element 37, and the first sheet-shaped bodies 371 abut against the first protrusion 322 and the second limiting rib 323 respectively on the two sides;

the upper portion of the fixed disk 31 is provided with an annular first limiting groove 311, the first limiting groove 311 is internally provided with a second sealing element 38, the lower portion of the rotating disk 32 extends downwards to be provided with an annular sealing rib 321, the annular sealing rib 321 is abutted to the second sealing element 38, through the matching of the second sealing element 37 with the first protrusion 322 and the second limiting rib 323, through the matching of the annular sealing rib 321 and the second sealing element 38, the sealing performance of the rotating mechanism 3 is greatly improved, the leakage of the lubricant in the through hole 315 and the second guide groove 319 is prevented, wherein the first sheet-shaped body 371 is in sharp-angle contact with the first protrusion 322 and the second limiting rib 323, the contact area is reduced, the annular sealing rib 321 is in an inverted triangle shape, and the sharp-angle position is matched with the second sealing element 38, the contact area is further reduced, and the friction resistance of the rotating disk 32 with the first sealing element 37 and the second sealing element 38 is reduced, so that the turn disc 32 rotates more smoothly.

Preferably, the second sealing member 38 is a hollow structure, which greatly improves the deformability of the second sealing member 38, a groove 381 is arranged on the upper portion of the second sealing element 38, a second sheet-shaped body 382 is respectively arranged on both sides of the upper portion of the second sealing element 38 extending towards the middle of the groove 381, the second sheet body 382 is positioned above the groove 381, the cross section of the annular sealing rib 321 is triangular, the sharp corner part is partially inserted into the groove 381, the second sheet body 382 is respectively abutted against two sides of the annular sealing rib 321, the second sheet-shaped body 382 is matched with the annular sealing rib 321 to perform double sealing, so that the sealing is reliable, and the contact area with the annular sealing rib 321 and the second sheet-like body 382 is small, the rotating performance of the rotating disk 32 is not affected, when the rotating disc 32 is lowered, the sharp corners of the annular sealing ribs 321 abut the grooves 381, thereby forming a triple seal, making the seal more reliable.

Two sections of arc-shaped guide grooves 316 are respectively arranged on the inner surface of the fixed disc 31, a first limiting block 317 is arranged on one side of each of the two sections of guide grooves 316, the arc-shaped guide grooves 316 are positioned on the inner sides of the first limiting ribs 314, reinforcing ribs 325 are arranged on the inner sides of the second limiting ribs 323, two ends of each reinforcing rib 325 are respectively connected with the second limiting ribs 323, two guide bosses 326 are arranged on the surfaces of the reinforcing ribs 325, the guide bosses 326 are respectively inserted into the guide grooves 316 and can move along the guide grooves 316, wherein the angle formed by the arc-shaped guide grooves 316 is 90 degrees, namely the rotation angle of the rotary disc 32 is between 0 and 90 degrees, the rotation angle of the rotary disc 32 is limited through the matching of the arc-shaped guide grooves 316 and the guide bosses 326, so that the rotation mechanism 3 rotates more accurately, further limitation is performed through the arrangement of the first limiting blocks 317, and the guide bosses 326 are prevented from being separated from the guide grooves 316 due to overlarge torque of the rotary disc 32, through setting up strengthening rib 325, improved direction boss 326's intensity, prevent that direction boss 326 from splitting, simple structure is reasonable, and the practicality is good.

2 lower parts of elevating system surpass bed board 11 lower part, elevating system 2 is including inserting and being close to the guide bar 21 of the inside both sides of bed board 11, both sides the inside lifter 22 that is equipped with but the oscilaltion of guide bar 21, 11 top surfaces of bed board, two are connected on lifter 22 upper portion the side that guide bar 21 is close to upper portion is connected with connecting rod 23 jointly, 24 lower parts of two-way cylinder are equipped with vertical decurrent first cylinder 27, telescopic link and the connecting rod 23 fixed connection of first cylinder 27 lower part drive the lift of guide bar 21 through the flexible of first cylinder 27 for guide bar 21 is the up-and-down motion along bed board 11, is used for rising or reducing the height of medical bed 1, makes things convenient for the patient to get on or off the bed.

The connecting rod 23 is provided with two guide holes 231 communicating the upper and lower surfaces of the connecting rod 23, the two guide holes 231 are symmetrical through the middle of the connecting rod 23, a bidirectional cylinder 24 is fixed on the top surface inside the bed plate 11, connecting blocks 25 are fixed on telescopic rods on two sides of the bidirectional cylinder 24, the lower part of the connecting block 25 is provided with a guide rib 26 extending downwards, the guide ribs 26 at two sides respectively penetrate through the corresponding guide holes 231, the guide rib 26 is movable along the guide hole 231 and abuts against or is spaced apart from a side of the guide hole 231 adjacent to the guide bar 21, specifically, a first latch 232 is arranged on one side of the guide hole 231 close to the guide rod 21, a second latch 261 matched with the first latch 232 is arranged on one side of the guide rib 26 facing the first latch 232, specifically, when the medical bed 1 needs to be lifted, firstly, the telescopic rods on the two sides of the bidirectional cylinder 24 are contracted, and the second latch 261 is separated from the first latch 232; after the medical bed 1 finishes lifting, the telescopic rods on the two sides of the two-way cylinder 24 extend, the second clamping tooth 261 is meshed with the first clamping tooth 232, locking is achieved, the structure can not only play a certain protection role for the first cylinder 27, but also can prevent the medical bed 11 from descending when the first cylinder 27 fails, so that safety protection measures of a patient are improved, and physical and psychological health of the patient is facilitated.

Two sides of the upper portion of the supporting plate 41 extend upwards to form first supporting ribs 411, the first frame 42 and the second frame 43 are hinged to the first supporting ribs 411 respectively, the adjusting mechanism 4 comprises a second cylinder 421 and a third cylinder 431, one end of the second cylinder 421 is hinged to the supporting plate 41, the other end of the second cylinder is hinged to the first frame 42, one end of the third cylinder 431 is hinged to the supporting plate 41, the other end of the third cylinder 431 is hinged to the second frame 43, an included angle between the second cylinder 421 and the third cylinder 431 and the supporting plate 41 is an acute angle, when the back and the hip of a patient need to be lifted, the second cylinder 421 in the adjusting mechanism 4 extends to drive the first frame 42 to rotate and lift through the hinged portion with the supporting plate 41, and therefore the back of the patient is lifted; the third cylinder 431 extends to drive the second frame 43 to rotate and rise through the hinged part of the supporting plate 41, so that the hip of the patient is lifted, the structure is simple and reasonable, and the operation is convenient and fast.

Preferably, the first frame 42 is internally provided with a third frame 44, two sides of the interior of the first frame 42 extend inwards to be provided with third protrusions 422, the third frame 44 is hinged to the third protrusions 422, the adjusting mechanism 4 comprises a fourth cylinder 441, one side of the first frame 42 facing the supporting plate 41 is provided with a second supporting rib 423, one end of the fourth cylinder 441 is hinged to the third frame 44, the other end of the fourth cylinder is hinged to the second supporting rib 423, and an included angle between the fourth cylinder 441 and the first frame 42 is an acute angle.

Preferably, the upper portion of the first support rib 411 extends upwards to be provided with a second protrusion 412, the second protrusion 412 is hinged with a first mattress frame 5 and a second mattress frame 6 respectively, the lower portion of the first mattress frame 5 is abutted to the first frame 42, the lower portion of the second mattress frame 6 is abutted to the second frame 43, one side, away from the first mattress frame 5, of the second mattress frame 6 is hinged with a third mattress frame 7, the first mattress frame 5, the second mattress frame 6 and the third mattress frame 7 form a foldable mattress frame, the length of the mattress frame is smaller than that of the medical bed 1, the mattress is fixed on the upper portion of the mattress frame and can be bent through the mattress frame, the mattress can be fixed on the mattress frame more stably through the arrangement of the first mattress frame 5, the second mattress frame 6 and the third mattress frame 7, and the comfort level of the medical bed 1 is improved.

Second mattress frame 6 is equipped with second stopper 61, third mattress frame 7 is equipped with third stopper 71, rotates third mattress frame 7, third stopper 71 butt or keep away from second stopper 61, and the shank below patient's knee is located third mattress frame 7 top promptly, when lifting up patient's back and buttock, and when second frame 43 rotatory rises through the articulated department with backup pad 41 promptly, third mattress frame 7 descends along its pin joint is rotatory through the action of gravity, and it is spacing to third stopper 71 butt second stopper 61 for patient's shank can be normal locking, realizes patient's seat stand, and simple structure is reasonable, and the practicality is good.

The first frame 42, the second frame 43 and the third frame 44 are not connected with the first mattress frame 5, the second mattress frame 6 and the third mattress frame 7, so that the installation and manufacturing process is simplified, the assembly is simpler, the production cost is greatly reduced, and meanwhile, the replacement of each part is facilitated.

Preferably, the protection plates 9 are positioned at the both sides of the first mattress frame 5 higher than the mattress and at the both sides of the second mattress frame 6 and the third mattress frame 7 lower than the mattress, which prevents the second mattress frame 6 or the third mattress frame 7 from interfering with the protection plates 9 and damaging the rotation mechanism 3 during the rotation work.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. An operation process of a medical auxiliary device, characterized in that: the method comprises the following steps:

s1, a patient lies on the medical bed (1), the mattress frame consists of a first mattress frame (5), a second mattress frame (6) and a third mattress frame (7), the upper half of the patient is positioned above the first mattress frame (5), the lower half of the patient is positioned above the second mattress frame (6) and the third mattress frame (7), and the protection plates (9) are positioned on two sides of the medical bed (1) and are higher than the mattress;

s2, lifting the back and the hip of the patient, extending a second air cylinder (421) in the adjusting mechanism (4), rotating and lifting a first frame (42), and lifting the back of the patient; the third cylinder (431) extends the second frame (43) to rotate and rise, and the hip of the patient is lifted; the third mattress frame (7) rotates, and the legs of the patient naturally droop;

s3, rotating the patient, wherein the rotating mechanism (3) rotates to drive the adjusting mechanism (4) to rotate, so that the patient faces the width direction of the medical bed (1), and meanwhile, the protection plate (9) descends to be slightly lower than the upper surface of the medical bed (1);

s4, the back of the patient is erected and the hip is flat, the third air cylinder (431) is contracted, and the second frame (43) rotates and descends to enable the hip of the patient to be flat; the fourth air cylinder (441) is extended, and the third frame (44) is rotationally abutted against and pushes the first mattress frame (5) to enable the back of the patient to be erected, and the leg of the patient naturally hangs down and is positioned on the side face of the medical bed (1);

s5, the height of the medical bed (1) is reduced, and the height of the bed plate (11) and the ground is reduced through the lifting mechanism (2), so that the medical bed (1) descends;

guard plate (9) are equipped with guide block (92) towards bed board (11) both sides, are located both sides the sub-unit connection of supporting shoe (93) of guide block (92) lower part has wire rope (16), the other end of wire rope (16) is connected with rotatable third deflector (15), third deflector (15) quantity is two, third deflector (15) are connected through chain (17) with slewing mechanism (3), work as slewing mechanism (3) are rotatory, the rotatory winding wire rope (16) of third deflector (15) and drive guard plate (9) downstream.

2. A process for operating a medical aid according to claim 1, wherein: bed boards (11) are arranged on two sides of the medical bed (1), the lifting mechanism (2) is located inside the bed boards (11), the protection plate (9) is located between the two bed boards (11), the protection plate (9) is located on two sides of the medical bed (1) in the width direction, the upper portion of the protection plate (9) is higher than the upper portion of a mattress, a guide rail (12) is arranged on one side, facing the protection plate (9), of the bed board (11), and the guide block (92) is inserted into the guide rail (12) and can move along the guide rail (12);

slewing mechanism (3) are including fixing fixed disk (31) on medical bed (1) and being located fixed disk (31) top and horizontal rotation's rolling disc (32), fixed disk (31) lower part is fixed with driving motor (34), the hub connection rolling disc (32) of driving motor (34), rolling disc (32) and backup pad (41) fixed connection.

3. A process for operating a medical aid according to claim 2, wherein: supporting blocks (93) are respectively arranged at the upper end and the lower end of each guide block (92), the upper portions of the supporting blocks (93) located at the upper portions of the guide blocks (92) on the two sides are connected with second springs (91), the upper portions of the second springs (91) are connected with the top of the bed plate (11), and when the protection plate (9) descends, the second springs (91) stretch.

4. A process for operating a medical aid according to claim 2, wherein: every the below of guard plate (9) both sides all is equipped with first deflector (13), install in bed board (11) towards one side of guard plate (9) first deflector (13), the axis of first deflector (13) is perpendicular with bed board (11), medical bed (1) sub-unit connection has rotatable second deflector (14), the axis and medical bed (1) of second deflector (14) are perpendicular, the quantity of second deflector (14) is four, every wire rope (16) are connected on third deflector (15) through a first deflector (13) and a second deflector (14) in proper order.

5. A process for operating a medical aid according to claim 4, wherein: the quantity of third positioning disk (15) is two and is located the both sides of slewing mechanism (3) respectively, with slewing mechanism (3) are the demarcation point, are located two of homonymy wire rope (16) all connect on same third positioning disk (15), every third positioning disk (15) upper portion all is equipped with can with third positioning disk (15) co-rotation's first gear (18), be fixed with second gear (342) on drive shaft (344) of driving motor (34), second gear (342) are separated for two upper and lower gears through baffle (343), two upper and lower the gear passes through chain (17) transmission connection with two first gear (18) respectively.

6. A process for operating a medical aid according to claim 5, wherein: the inner surface of the fixed disc (31) is provided with a bearing mounting hole on the axis, a bearing (341) is fixed in the bearing mounting hole, the inner surface of the rotating disc (32) is provided with a rotating part (324), the rotating part (324) is coaxial with the rotating disc (32), the upper part of the driving shaft (344) is provided with a limiting part (345), the driving shaft (344) is inserted into and penetrates through the bearing (341), and the limiting part (345) is inserted into and limited by the rotating part (324).