CN112842733B

CN112842733B - Convenient up-down nursing bed

Info

Publication number: CN112842733B
Application number: CN202110178086.7A
Authority: CN
Inventors: 单磊; 王军强
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: CN112842733A

Abstract

The invention discloses a nursing bed convenient to move up and down, which comprises a nursing bed, wherein lifting mechanisms are arranged on two sides of the nursing bed, a rotating mechanism is arranged in the nursing bed, an adjusting mechanism capable of horizontally rotating through the rotating mechanism is arranged on the upper portion of the rotating mechanism, the adjusting mechanism comprises a supporting plate, the supporting plate is fixed on the rotating mechanism, a first frame and a second frame are respectively hinged to the upper portion of the supporting plate, and mattresses are arranged above the first frame and the second frame. The invention better assists the patient with inconvenient actions to get on or off the bed through the mutual matching of the lifting mechanism, the rotating mechanism and the adjusting mechanism, and has simple and reasonable structure and good practicability.

Description

Convenient up-down nursing bed

Technical Field

The invention relates to the technical field of nursing beds, in particular to a nursing bed convenient to move up and down.

Background

Nursing beds are used as medical auxiliary instruments, one of important instruments for daily living of patients can be switched between a lying type and a horizontal type, and are particularly convenient for patients with inconvenient actions.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide a nursing bed convenient to move up and down.

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

a nursing bed convenient to ascend and descend comprises a nursing bed, wherein lifting mechanisms are arranged on two sides of the nursing bed, a rotating mechanism is arranged in the nursing bed, an adjusting mechanism capable of horizontally rotating through the rotating mechanism is arranged on the upper portion of the rotating mechanism, the adjusting mechanism comprises a supporting plate, the supporting plate is fixed on the rotating mechanism, a first frame and a second frame are respectively hinged to the upper portion of the supporting plate, and mattresses are arranged above the first frame and the second frame;

the rotating mechanism comprises a fixed disc fixed on the nursing bed and a rotating disc which is positioned above the fixed disc and can horizontally rotate, a driving motor is fixed at the lower part 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;

the lower portion of the rotating disc extends downwards to form an annular first bulge, the first bulge is inserted into the fixed disc, a first sealing cover covers the lower portion of the fixed disc, a plurality of through holes penetrating through the upper surface and the lower surface of the fixed disc are formed in the fixed disc, steel balls are arranged in the through holes, the lower portions of the steel balls are abutted to springs, the lower portions of the springs are abutted to the upper portion of the first sealing cover, the diameter of openings, located on the upper surface of the fixed disc, of the through holes is smaller than that of the steel balls, and the upper portions of the steel balls penetrate through the openings, located on the upper surface of the fixed disc, of the through holes and penetrate through parts of the openings and abut to the lower portions of the first bulge;

the fixed disk is internally provided with a first annular limiting rib in an upward extending mode, a first sealing element is fixed on the upper portion of the first limiting rib, an annular second limiting rib is arranged on the lower portion of the rotating disk in a downward extending mode, the second limiting rib is located on the inner side of the first protrusion, the first limiting rib is inserted into a gap between the second limiting rib and the first protrusion, the two sides of the first sealing element are obliquely and downwardly extended to be provided with a first sheet-shaped body, and the first sheet-shaped body is abutted to the first protrusion and the second limiting rib respectively.

The annular inner side of the fixed disk is provided with a first guide groove, the opening of the first guide groove faces the inner side of the fixed disk, a plurality of steel balls capable of rolling along the first guide groove are arranged in the first guide groove, the size of the opening of the first guide groove is slightly smaller than the diameter of each steel ball, one part of each steel ball penetrates out of the opening of the first guide groove, and the part of each steel ball, which penetrates out of the opening of the first guide groove, abuts against the outer side of the first protruding ring.

The fixed disk side is equipped with places the hole, place the hole and communicate first guide way and fixed disk annular outside respectively, it is greater than the cross-sectional diameter of steel ball to place hole cross-sectional diameter, the fixed disk side is equipped with the second closing cap, the second closing cap side is equipped with spacing boss, spacing boss inserts places downtheholely, second closing cap and fixed disk fixed connection.

The fixed disk upper portion is equipped with the first spacing groove of annular, first spacing inslot is equipped with the second sealing member, carousel lower part downwardly extending is equipped with annular sealing muscle, annular sealing muscle butt second sealing member.

The second sealing piece is of a hollow structure, a groove is formed in the upper portion of the second sealing piece, second sheet-shaped bodies are arranged on two sides of the upper portion of the second sealing piece and extend towards the middle of the groove, the second sheet-shaped bodies are located above the groove, the cross section of the annular sealing rib is triangular, the sharp corner portion of the cross section of the annular sealing rib is inserted into the groove, and the second sheet-shaped bodies are abutted to two sides of the annular sealing rib respectively.

The fixed disk internal surface is equipped with two sections arc guide ways respectively, two sections wherein one side of arc guide way is equipped with first stopper, the arc guide way is located first spacing muscle inboard, the spacing muscle inboard of second is equipped with the strengthening rib, the spacing muscle of second is connected respectively at strengthening rib both ends, the strengthening rib surface is equipped with two direction bosss, the direction boss inserts respectively in the arc guide way and can follow the arc guide way and remove.

The inner surface of the rotating disc is provided with a rotating part which is coaxial with the rotating disc, a shaft of the driving motor is inserted into the rotating part, and the reinforcing ribs are connected with the rotating part.

The invention has the beneficial effects that:

1. the patient can lie down and sit up through the adjusting mechanism, when the patient needs to get off the bed, the adjusting mechanism is rotated through the rotating mechanism, and the patient is assisted to get off the bed through the lifting mechanism, so that the bed has the advantages of simple and reasonable structure, good practicability, great convenience for getting on and off the bed of the patient with inconvenient movement, and accordingly the working strength of medical staff is reduced;

2. the rotating disc is matched with the steel balls to form a structure similar to a bearing, so that the rotation of the rotating disc is facilitated, the rotating stability of the rotating disc is greatly improved, and the comfort of a patient is improved;

3. through the cooperation of first sealing member and first protruding and the spacing muscle of second, through the cooperation of annular seal muscle and second sealing member, not only improved slewing mechanism's sealing performance greatly, still reduced the frictional resistance of rolling disc and first sealing member and second sealing member simultaneously for the rolling disc is rotatory more steady.

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 a schematic structural diagram of a second state of the present invention;

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

FIG. 5 is a schematic structural view of a rotating mechanism;

FIG. 6 is an exploded view of the rotating mechanism;

FIG. 7 is a cross-sectional view of the rotating mechanism;

FIG. 8 is an enlarged view of FIG. 7 at A;

FIG. 9 is an enlarged view of FIG. 7 at B;

FIG. 10 is a schematic structural view of a fixing plate;

FIG. 11 is a schematic view of the structure of the rotary disk;

FIG. 12 is a schematic view of the adjustment mechanism of the present invention in a first state;

FIG. 13 is a schematic view of the adjustment mechanism of the present invention in a second state;

FIG. 14 is a schematic view of the adjustment mechanism of the present invention in a third state;

FIG. 15 is a schematic structural view of the lifting mechanism;

fig. 16 is a schematic view of the structure of the second and third mattress frames in cooperation;

fig. 17 is a use state diagram of the present invention.

In the figure: the nursing bed 1, the bed plate 11, 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 disk 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 arc-shaped guide groove 316, the first limit block 317, the mounting part 318, the second guide groove 319, the rotating disk 32, the annular sealing 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 cover 33, the driving motor 34, the bearing 341, the second cover 35, the limit boss 351, the steel ball 36, the first sealing part 37, the first sheet-shaped body 38, the second sealing part 38, the groove 381, the second sheet-shaped body 382, the spring 39, the adjusting mechanism 4, the supporting plate 41, the first supporting rib 411, the second supporting rib 261, the arc-shaped body, The mattress comprises a second protrusion 412, a first frame 42, a second air cylinder 421, a third protrusion 422, a second support rib 423, a second frame 43, a third air cylinder 431, a third frame 44, a fourth air cylinder 441, a first mattress frame 5, a second mattress frame 6, a second limit block 61, a third mattress frame 7, a third limit block 71 and a lubricating piece 8.

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 17, a nursing bed convenient for getting on and off comprises a nursing bed 1, wherein lifting mechanisms 2 are arranged on two sides of the nursing bed 1, a rotating mechanism 3 is arranged inside the nursing bed 1, an adjusting mechanism 4 capable of horizontally rotating through the rotating mechanism 3 is arranged on the upper portion of the rotating mechanism 3, the adjusting mechanism 4 comprises a supporting plate 41, the supporting plate 41 is fixed on the rotating mechanism 3, a first frame 42 and a second frame 43 are respectively hinged on the upper portion of the supporting plate 41, and a mattress is arranged above the first frame 42 and the second frame 43.

As shown in fig. 5 to 11, the rotating mechanism 3 includes a fixed plate 31 fixed on the nursing bed 1 and a rotating plate 32 located above the fixed plate 31 and capable of rotating horizontally, a driving motor 34 is fixed on the lower portion of the fixed plate 31, a shaft of the driving motor 34 is connected with the rotating plate 32, the rotating plate 32 is fixedly connected with the supporting plate 41, specifically, a plurality of mounting portions 318 evenly distributed along the axial direction of the fixed plate 31 are arranged on the side surface of the fixed plate 31, screws pass through the mounting portions 318 and are screwed into the nursing bed 1 for fixing, the driving motor 34 is vertically fixed on the lower portion of the fixed plate 31 by the screws, a bearing mounting hole is arranged on the inner surface of the fixed plate 31 on the axis thereof, a bearing 341 is fixed in the bearing mounting hole, a rotating portion 324 is arranged on the inner surface of the rotating plate 32, the rotating portion 324 is coaxial with the rotating plate 32, the shaft of the driving motor 34 is inserted into the rotating portion 324, and the reinforcing ribs 325 are connected with the rotating portion 324, the shaft of the driving motor 34 penetrates through the bearing 341 and is limited in the inserting rotating part 324, and through the design, the rotating mechanism 3 and the nursing bed are not only firmly fixed, but also convenient to install and disassemble, simple and reasonable in structure and good in practicability.

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 springs 39, the lower parts of the 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 315 positioned on the upper surface of the fixed disc 31 and penetrate out part 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 nursing bed 1, the rotating disc 32 is subjected to downward gravity of the patient, the spring 39 of the lower part of the steel ball 36 is slightly deformed, the elastic force of the spring 39 is larger, the deformation is small, wherein the shaft of the driving motor 34 and the rotating part 324 can move relatively in the vertical direction, a certain distance exists between the top of the shaft of the driving motor 34 and the top inside the rotating part 324, when the rotating disc 32 is rotated, the side surface and the ground of the rotating disc 32 are contacted through the steel ball 36, the shaft stress of the driving motor 34 can be prevented through the design, the service life of the driving motor 34 is greatly prolonged, the frictional resistance of the rotating disc 32 is also reduced, the rotating disc 32 rotates more stably, the structure is simple and reasonable, and the practicability 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, when rolling disc 32 bears the power greatly, when spring 39 receives the compressive deformation great, first protruding 322 lower part can butt emollient 8 upper surface, because polytetrafluoroethylene not only intensity is high, but also has self-lubricating nature, consequently, rolling disc 32 not only can normally rotate, and can also 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 part of the second sealing element 38, a second sheet-shaped body 382 is respectively arranged on two sides of the upper part 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.

The inner surface of the fixed disc 31 is respectively provided with two sections of arc-shaped guide grooves 316, one side of each of the two sections of arc-shaped guide grooves 316 is provided with a first limiting block 317, the arc-shaped guide grooves 316 are positioned at the inner sides of the first limiting ribs 314, the inner sides of the second limiting ribs 323 are provided with reinforcing ribs 325, two ends of each reinforcing rib 325 are respectively connected with the second limiting ribs 323, the surface of each reinforcing rib 325 is provided with two guide bosses 326, the guide bosses 326 are respectively inserted into the arc-shaped guide grooves 316 and can move along the arc-shaped guide grooves 316, wherein the angle formed by the arc-shaped guide grooves 316 is 90 degrees, namely, the rotation angle of the rotating disc 32 is between 0 and 90 degrees, the rotation angle of the rotating disc 32 is limited by the cooperation of the arc-shaped guide grooves 316 and the guide bosses 326, so that the rotation of the rotating mechanism 3 is more accurate, further limiting is performed by the arrangement of the first limiting blocks 317, and the guide bosses 326 are prevented from being separated from the arc-shaped guide grooves 316 due to overlarge torque of the rotating 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.

As shown in fig. 1 to 4 and 12 to 17, the nursing bed 1 is provided with bed boards 11 at both sides, a lifting mechanism 2 capable of lifting is arranged in the bed plate 11, the lower part of the lifting mechanism 2 exceeds the lower part of the bed plate 11, the lifting mechanism 2 comprises guide rods 21 inserted into and close to two sides of the inner part of the bed plate 11, lifting rods 22 capable of lifting up and down are arranged in the guide rods 21 at two sides, the upper part of the lifting rod 22 is connected with the top surface of the bed board 11, the side surfaces of the two guide rods 21 close to the upper part are connected with a connecting rod 23, the lower part of the bidirectional cylinder 24 is provided with a first cylinder 27 which is vertically downward, an expansion link at the lower part of the first cylinder 27 is fixedly connected with the connecting rod 23, through the flexible of first cylinder 27, drive the lift of guide bar 21 for guide bar 21 is the up-and-down motion along bed board 11, is used for rising or reduces the height of nursing 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 nursing 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 nursing bed 1 accomplished the lift, the telescopic link extension of two-way cylinder 24 both sides, second latch 261 and the meshing of first latch 232 realize locking, and this kind of structure not only can play certain guard action to first cylinder 27, but also can prevent when first cylinder 27 became invalid, and nursing bed 11 descends to patient's safety protection measure has been improved, be favorable to patient's physical and mental health.

As shown in fig. 1 to 4 and 12 to 14, first support ribs 411 extend upward from two sides of the upper portion of the support plate 41, the first frame 42 and the second frame 43 are respectively hinged to the first support ribs 411, the adjusting mechanism 4 includes a second cylinder 421 and a third cylinder 431, one end of the second cylinder 421 is hinged to the support 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 support 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 support plate 41 is an acute angle, when the back and hip of the patient need to be lifted, the second cylinder 421 in the adjusting mechanism 4 extends to drive the first frame 42 to rotate and rise through the hinge with the support plate 41, so as to lift the back of the patient; 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 form a second protrusion 412, the second protrusion 412 is hinged to a first mattress frame 5 and a second mattress frame 6 respectively, the lower portion of the first mattress frame 5 abuts against the first frame 42, the lower portion of the second mattress frame 6 abuts against the second frame 43, one side, away from the first mattress frame 5, of the second mattress frame 6 is hinged to 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 nursing bed 1, the mattress is fixed on the upper portion of the mattress frame and can be bent through the mattress frame, and the first mattress frame 5, the second mattress frame 6 and the third mattress frame 7 are arranged to enable the mattress to be fixed on the mattress frame more stably, so that the comfort level of the nursing 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.

An operating process of a nursing bed comprises the following steps:

s1, lying down of the patient: the mattress is placed on the mattress frame horizontally, and the patient lies on the mattress, the mattress frame comprises first mattress frame 5, second mattress frame 6 and third mattress frame 7, and the patient is located first mattress frame 5 top for the upper half, and the lower half is located second mattress frame 6 and third mattress frame 7 top.

S2, getting the patient out of bed:

1) the back and the hip of the patient are lifted, the second air cylinder 421 in the adjusting mechanism 4 extends, the first frame 42 rotates and rises, and the back of the patient is lifted; 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;

2) the patient is rotated, the rotating mechanism 3 rotates to drive the adjusting mechanism 4 to rotate, and therefore the patient faces to the width direction of the nursing bed 1;

3) the back of the patient is erected and the buttocks are laid flat, the third cylinder 431 is contracted, and the second frame 43 is rotated and descended, so that the buttocks of the patient are laid flat; the fourth cylinder 441 extends, and the third frame 44 rotates 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 nursing bed 1;

4) the height of the nursing 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 nursing bed 1 descends, and a patient can get off the bed conveniently.

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 lifting mechanism 2 assists the patient to get off the bed, so that the bed has the advantages of simple and reasonable structure, good practicability, great convenience for getting on and off the bed of the patient with inconvenient movement, and further the working strength of medical staff is reduced.

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. A nursing bed convenient to get on and off is characterized in that: the nursing bed comprises a nursing bed (1), wherein lifting mechanisms (2) are arranged on two sides of the nursing bed (1), a rotating mechanism (3) is arranged in the nursing bed (1), an adjusting mechanism (4) capable of horizontally rotating through the rotating mechanism (3) is arranged on the upper portion of the rotating mechanism (3), the adjusting mechanism (4) comprises a supporting plate (41), the supporting plate (41) is fixed on the rotating mechanism (3), a first frame (42) and a second frame (43) are respectively hinged to the upper portion of the supporting plate (41), and mattresses are arranged above the first frame (42) and the second frame (43);

the rotating mechanism (3) comprises a fixed disc (31) fixed on the nursing 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 at the lower part of the fixed disc (31), the shaft of the driving motor (34) is connected with the rotating disc (32), and the rotating disc (32) is fixedly connected with the supporting plate (41);

the lower portion of the rotating disc (32) extends downwards to form an annular first protrusion (322), the first protrusion (322) is inserted into the fixed disc (31), the lower portion of the fixed disc (31) is covered with a first sealing cover (33), a plurality of through holes (315) penetrating through the upper surface and the lower surface of the fixed disc (31) are formed in the fixed disc (31), steel balls (36) are arranged in the through holes (315), the lower portions of the steel balls (36) are abutted to springs (39), the lower portions of the springs (39) are abutted to the upper portion of the first sealing cover (33), the diameter of openings, located on the upper surface of the fixed disc (31), of the through holes (315) is smaller than that of the steel balls (36), and the upper portions of the steel balls (36) penetrate through the openings, located on the upper surface of the fixed disc (31), of the through holes (315) and penetrate through parts of the openings and abut to the lower portions of the first protrusion (322);

fixed disk (31) inside upwards extends and is equipped with first spacing muscle of annular (314), first spacing muscle (314) upper portion is fixed with first sealing member (37), carousel (32) lower part downwardly extending is equipped with spacing muscle of annular second (323), spacing muscle of second (323) is located first arch (322) inboardly, first spacing muscle (314) insert in the space between spacing muscle of second (323) and first arch (322), first sealing member (37) both sides slope downwardly extending is equipped with first lamellar body (371), both sides first lamellar body (371) butt first arch (322) and the spacing muscle of second (323) respectively.

2. A convenient getting on and off nursing bed as claimed in claim 1, characterized in that: fixed disk (31) annular inboard is equipped with first guide way (319), first guide way (319) opening is inboard towards fixed disk (31), be equipped with a plurality of steel balls (36) that can follow first guide way (319) and roll in first guide way (319), first guide way (319) open-ended size slightly is less than the diameter of steel ball (36), the opening of first guide way (319) is worn out to a part of steel ball (36), first guide way (319) open-ended part butt first arch (322) annular outside is worn out to steel ball (36).

3. A convenient getting on and off nursing bed as claimed in claim 2, characterized in that: fixed disk (31) side is equipped with places hole (312), place hole (312) and communicate first guide way (319) and fixed disk (31) annular outside respectively, place hole (312) cross-sectional diameter is greater than the cross-sectional diameter of steel ball (36), fixed disk (31) side is equipped with second closing cap (35), second closing cap (35) side is equipped with spacing boss (351), spacing boss (351) insert place in hole (312), second closing cap (35) and fixed disk (31) fixed connection.

4. A convenient getting on and off nursing bed as claimed in claim 3, characterized in that: fixed disk (31) upper portion is equipped with first spacing groove of annular (311), be equipped with second sealing member (38) in first spacing groove (311), carousel (32) lower part downwardly extending is equipped with annular sealing muscle (321), annular sealing muscle (321) butt second sealing member (38).

5. A convenient getting-on and getting-off nursing bed as claimed in claim 4, wherein: second sealing member (38) are hollow structure, second sealing member (38) upper portion is equipped with recess (381), second sealing member (38) upper portion both sides are equipped with second platelike body (382) respectively towards recess (381) middle extension, second platelike body (382) are located recess (381) top, the cross section of annular sealing muscle (321) is triangle-shaped and sharp corner portion inserts recess (381), second platelike body (382) butt annular sealing muscle (321) both sides respectively.

6. A convenient getting on and off nursing bed as claimed in claim 2, characterized in that: fixed disk (31) internal surface is equipped with two sections arc guide way (316) respectively, two sections one of them side of arc guide way (316) is equipped with first stopper (317), arc guide way (316) are located first spacing muscle (314) inboardly, spacing muscle (323) inboard of second is equipped with strengthening rib (325), spacing muscle (323) of second is connected respectively at strengthening rib (325) both ends, strengthening rib (325) surface is equipped with two direction bosss (326), direction boss (326) insert respectively in arc guide way (316) and can follow arc guide way (316) and remove.

7. A convenient getting on and off nursing bed as claimed in claim 6, characterized in that: 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 shaft of the driving motor (34) is inserted into the rotating part (324), and the reinforcing ribs (325) are connected with the rotating part (324).