CN114099171A

CN114099171A - Sickbed capable of being used for bathing patients

Info

Publication number: CN114099171A
Application number: CN202111418723.XA
Authority: CN
Inventors: 杨辉; 黄鲁卿; 郭永康
Original assignee: Changzhou Institute of Technology
Current assignee: Changzhou Institute of Technology
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-03-01

Abstract

The invention discloses a sickbed for bathing patients, which comprises a movable base and a bedstead arranged on the base, wherein the movable base is provided with a movable bed frame; a bed plate mechanism is arranged on the bed frame; the bed plate mechanism comprises a supporting part in the middle and turnover parts hinged to the two sides of the supporting part; side wall mechanisms linked with the turnover parts are symmetrically arranged at two ends of the bedstead; the bottom of the bedstead is provided with a first driving mechanism for driving the two turnover parts to turn over. The bed plate mechanism comprises the supporting part, the turnover part, the side wall mechanism and the first driving mechanism, the turnover part and the side wall mechanism can be linked to form a bathing area after the first driving mechanism drives the turnover part to turn over, so that not only is bathing for a patient convenient, but also water can be drained through the drainage mechanism after bathing is finished, so that the use is convenient, the work burden of medical personnel is greatly reduced, the comfort of the patient is guaranteed, and secondary damage to the patient is avoided.

Description

Sickbed capable of being used for bathing patients

Technical Field

The invention relates to the technical field of medical instruments, in particular to a bathing bed which can be used for bathing patients.

Background

With the development of medicine, more and more patients with mobility disabilities can receive complete treatment in hospitals at present. For some patients with inconvenient actions, a difficult problem in bathing is that most of the current common bathing is carried to a bathing place by a nursing worker for bathing, so that not only is the labor intensity higher, but also secondary damage can be caused to the patients.

Therefore, there is a need to solve the above problems by designing a hospital bed for bathing a patient.

Disclosure of Invention

The invention aims to provide a sickbed for bathing patients, aiming at solving the problem of inconvenience in bathing the patients in the prior art.

The technical scheme for realizing the purpose of the invention is as follows: a sickbed for bathing patients comprises a movable base and a bedstead arranged on the base; a bed plate mechanism is arranged on the bed frame; the bed plate mechanism comprises a supporting part in the middle and turnover parts hinged with the two sides of the supporting part; side wall mechanisms linked with the turnover parts are symmetrically arranged at two ends of the bedstead; the bottom of the bedstead is provided with a first driving mechanism for driving the two overturning parts to overturn; when the first driving mechanism drives the two turnover parts to turn over, the two turnover parts and the two side wall mechanisms form a bathing area in a surrounding mode; a drainage mechanism communicated with the bathing area is movably arranged below the bed plate mechanism.

The support part comprises a support frame; the overturning part comprises an overturning frame; the bed plate mechanism also comprises a soft mattress; the middle part of the mattress is fixedly connected with the supporting frame, and the two sides of the mattress are respectively fixedly connected with the two turnover frames.

The supporting frame and the overturning frame are both composed of movable ends at two ends and a fixed end at the middle part, and the movable ends at the two ends are both hinged with the fixed end at the middle part; the fixed end of the middle part of the supporting frame is fixedly connected with the bedstead; and the bottom of the bedstead is also provided with a second driving mechanism which is respectively used for driving the two movable ends of the supporting frame to move.

The side wall mechanism comprises a mounting beam, a side wall, a first connecting rod and a second rod; the mounting beam is movably connected to the supporting part through a first cross connecting rod; the two ends of the mounting beam are symmetrically provided with first sliding chutes along the length direction; two ends of the supporting part are symmetrically provided with second sliding chutes along the length direction; two ends of the upper part of the first cross connecting rod are respectively connected in the two first sliding grooves in a sliding manner, and two ends of the lower part of the first cross connecting rod are respectively connected in the two second sliding grooves in a sliding manner; the two first connecting rods and the two second connecting rods are arranged, one ends of the two first connecting rods are coaxially hinged to the middle of the mounting beam, and the other ends of the two first connecting rods are respectively crossed to the middle of the two second connecting rods; one ends of the two second rods are respectively and coaxially hinged to the two end heads at the lower part of the first cross connecting rod, and the other ends of the two second rods are respectively hinged to the overturning part.

The drainage mechanism comprises a drainage pipe, a supporting seat and a supporting seat driving assembly; the middle part of the bed plate mechanism is provided with an installation window; the drain pipe is hinged in the mounting window through a hinge; the supporting seat driving assembly is used for driving the supporting seat to lift; and a support groove with the shape matched with that of the drain pipe is arranged on the support seat.

The two first driving mechanisms are symmetrically arranged and are respectively used for driving the two overturning parts to overturn; the first driving mechanism comprises a first electric push rod and a first driving arm; the fixed end of the first electric push rod is fixed at the bottom of the bedstead, and the movable end of the first electric push rod is hinged with one end of the first driving arm; the other end of the first driving arm is rotatably provided with a first roller which is abutted against the overturning part, and the arm body of the first driving arm is hinged with the base.

The second driving mechanism comprises a second electric push rod, a first connecting arm and a second driving arm; the second driving arm is rotationally connected to the bedstead through a rotating shaft; the fixed end of the second electric push rod is hinged with the bed frame, and the movable end of the second electric push rod is hinged with one end of the first connecting arm; the other end of the first connecting arm is fixedly connected with the rotating shaft; one end of the second driving arm is fixedly connected with the rotating shaft, and the other end of the second driving arm is provided with a second roller which is abutted against the movable end of the supporting frame.

The supporting seat driving assembly comprises a fixed frame, a third electric push rod, a driving block, a second cross-shaped connecting rod and a connecting block; the fixed frame is fixed at the bottom of the bedstead; the connecting block is connected to the bottom of the supporting seat in a sliding manner through a sliding rod; the driving block is connected to the bottom of the fixed frame in a sliding manner; two groups of second crossed connecting rods are symmetrically arranged, two ends of the bottoms of the two groups of second crossed connecting rods are respectively hinged with the fixed frame and the driving block, and the tops of the two groups of second crossed connecting rods are respectively hinged with the supporting seat and the connecting block; the fixed end of the third electric push rod is fixed on the fixed frame, and the other end of the third electric push rod is fixedly connected with the driving block.

The base comprises an upper supporting frame and a lower supporting frame; the upper support frame and the lower support frame are connected through a lifting mechanism; the bed frame is fixed on the upper supporting frame; the lifting mechanism comprises a first lifting component and a second lifting component and is used for synchronously driving two ends of the upper supporting frame to lift; the first lifting assembly comprises a fourth electric push rod, a second connecting arm and a third connecting arm; one end of the second connecting arm is in rolling connection with the upper supporting frame, and the other end of the second connecting arm is hinged with the lower supporting frame; two ends of the third connecting arm are respectively hinged with the upper supporting frame and the second connecting arm; the fixed end of the fourth electric push rod is hinged with the lower support frame, and the movable end of the fourth electric push rod is hinged with the third connecting arm through a connecting shaft; the second lifting assembly comprises a fifth electric push rod, a fourth connecting arm and a fifth connecting arm; one end of the fourth connecting arm is hinged with the upper supporting frame, and the other end of the fourth connecting arm is hinged with the fifth connecting arm; the other end of the fifth connecting arm is hinged with the lower supporting frame.

The edge of the mounting window is also provided with a support ring; the drain pipe is hinged in the supporting ring through a hinge.

By adopting the technical scheme, the invention has the following beneficial effects: 1. the bed board mechanism comprises the supporting part and the overturning part, and is provided with the side wall mechanism and the first driving mechanism, after the first driving mechanism drives the overturning part to overturn without overturning, the overturning part can be linked with the side wall mechanism to form a bathing area, so that the bathing of a patient is facilitated, water can be discharged through the drainage mechanism after the bathing is finished, the use is more convenient, the work burden of medical personnel is greatly reduced, the comfort of the patient is ensured, and the secondary injury to the patient is avoided.

2. The turnover part and the supporting part of the invention adopt frame structures, thus the structure is simpler, the installation is easy, and the weight is lighter.

3. The support frame and the turnover frame are both composed of movable ends at two ends and a fixed end at the middle part, and a second driving mechanism is arranged, so that the head or foot raising action of a patient can be automatically realized through the second driving mechanism, and the support frame and the turnover frame are convenient to use and have more functions.

4. The side wall mechanism adopts the installation mode of the first cross connecting rod and the first connecting rod and the second rod, is matched with the turnover part to realize linkage, has a simpler structure, does not need to be provided with additional power of the side wall mechanism, and simplifies the integral structure of the sickbed.

5. The invention is provided with the supporting seat and the supporting seat driving assembly, the supporting seat can be lifted through the supporting seat driving assembly, so that the driving seat can prop against the drain pipe, the drain pipe is more attached to the body of a patient, and the comfort of the patient is ensured.

6. The first driving mechanism adopts the electric push rod to push the first driving arm to rotate, so as to drive the roller to move to jack up the turnover part, the structure is simpler, and the driving effect is better.

7. The second driving mechanism adopts the second electric push rod, the first connecting arm and the second driving arm, and the second electric push rod drives the second driving arm to overturn so as to jack up the movable end of the supporting frame, so that the structure is simple, the use cost is low, and the driving effect is good.

8. The supporting seat driving assembly provided by the invention adopts the third electric push rod to drive the first cross connecting rod to move, so that the lifting of the supporting seat is realized, the structure is simple, the installation is easy, and the use cost is low.

9. The base comprises an upper supporting frame and a lower supporting frame, the upper supporting frame and the lower supporting frame are connected through a lifting mechanism, the lifting mechanism can drive the position of the upper supporting frame to adjust the height of a sickbed, and the applicability is stronger.

10. The invention is provided with the support ring, so that the drainage mechanism not only can be used for drainage, but also can be used as a closestool.

Drawings

In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the present disclosure taken in conjunction with the accompanying drawings, in which

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the base of the present invention.

Fig. 3 is a schematic structural view of the side wall mechanism of the invention.

Fig. 4 is a back structural schematic view of the bed plate mechanism of the present invention.

Fig. 5 is a schematic structural view of the drainage mechanism of the present invention.

FIG. 6 is a schematic structural view of the support base of the present invention.

The reference numbers in the drawings are:

the bed comprises a base 1, a bed frame 2, a bed board mechanism 3, a supporting part 3-1, a supporting frame 3-1-1, a turnover part 3-2, a turnover frame 3-2-1, a mattress 3-3, a mounting window 3-4, a supporting ring 3-5, a side wall mechanism 4, a mounting beam 4-1, a side wall 4-2, a first connecting rod 4-3, a second rod 4-4, a first cross connecting rod 4-5, a first sliding chute 4-6, a second sliding chute 4-7, a first driving mechanism 5, a first electric push rod 5-1, a first driving arm 5-2, a first roller 5-3, a drainage mechanism 6, a drainage pipe 6-1, a supporting seat 6-2, a supporting seat driving component 6-3, a fixing frame 6-3-1, a third electric push rod 6-3-2, a first driving arm 5-3, a first roller 6-3, a drainage mechanism 6-1, a supporting seat 6-2, a supporting seat driving component 6-3, a third electric push rod, The device comprises a driving block 6-3-3, a second cross connecting rod 6-3-4, a connecting block 6-3-5, a supporting groove 6-4, a second driving mechanism 7, a second electric push rod 7-1, a first connecting arm 7-2, a second driving arm 7-3, a rotating shaft 7-4, a second roller 7-5, a lifting mechanism 8, a fourth electric push rod 8-1, a second connecting arm 8-2, a third connecting arm 8-3, a fifth electric push rod 8-4, a fourth connecting arm 8-5 and a fifth connecting arm 8-6.

Detailed Description

(example 1)

Referring to fig. 1 to 6, the hospital bed for bathing a patient of the present embodiment includes a movable base 1 and a bed frame 2 disposed on the base 1; a bed plate mechanism 3 is arranged on the bed frame 2; the bed plate mechanism 3 comprises a supporting part 3-1 in the middle and turnover parts 3-2 hinged with the two sides of the supporting part 3-1; two ends of the bedstead 2 are symmetrically provided with side wall mechanisms 4 linked with the turnover part 3-2; the bottom of the bedstead 2 is provided with a first driving mechanism 5 for driving the two turnover parts 3-2 to turn over; when the first driving mechanism 5 drives the two turning parts 3-2 to turn over, the two turning parts 3-2 and the two side surrounding mechanisms 4 form a bathing area; a drainage mechanism 6 communicated with the bathing area is movably arranged below the bed plate mechanism 3. In order to facilitate the movement of the sickbed, the bottom of the base 1 is provided with universal brake wheels.

Further, the support part 3-1 comprises a support frame 3-1-1; the overturning part 3-2 comprises an overturning frame 3-2-1; the bed plate mechanism 3 also comprises a soft mattress 3-3; the middle part of the mattress 3-3 is fixedly connected with the supporting frame 3-1-1, the two sides of the mattress are respectively fixedly connected with the two turnover frames 3-2-1, and the turnover part 3-2 is composed of the supporting frame 3-1-1 and the turnover frame 3-2-1, so that the structure is simple, the installation is convenient, and the weight is light.

Furthermore, in order to facilitate the back rising or the foot rising of the patient, the supporting frame 3-1-1 and the overturning frame 3-2-1 are both composed of movable ends at two ends and a fixed end at the middle part, and the movable ends at the two ends are both hinged with the fixed end at the middle part; the fixed end of the middle part of the supporting frame 3-1-1 is fixedly connected with the bedstead 2; the bottom of the bedstead 2 is also provided with a second driving mechanism 7 which is respectively used for driving the two movable ends of the supporting frame 3-1-1 to move.

Further, the side wall mechanism 4 comprises a mounting beam 4-1, a side wall 4-2, a first connecting rod 4-3 and a second connecting rod 4-4; the mounting beam 4-1 is movably connected to the support part 3-1 through a first cross connecting rod 4-5; two ends of the mounting beam 4-1 are symmetrically provided with first sliding chutes 4-6 along the length direction; two ends of the supporting part 3-1 are symmetrically provided with second sliding grooves 4-7 along the length direction; two ends of the upper part of the first cross connecting rod 4-5 are respectively connected in the two first sliding chutes 4-6 in a sliding manner, and two ends of the lower part of the first cross connecting rod 4-5 are respectively connected in the two second sliding chutes 4-7 in a sliding manner; the two first connecting rods 4-3 and the two second connecting rods 4-4 are arranged, one ends of the two first connecting rods 4-3 are coaxially hinged to the middle of the mounting beam 4-1, and the other ends of the two first connecting rods 4-3 are respectively crossed to the middle of the two second connecting rods 4-4; one end of each of the two second rods 4-4 is coaxially hinged to two end heads of the lower portion of the first cross connecting rod 4-5, the other end of each of the two second rods 4-4 is hinged to the turnover portion 3-2, and when the turnover portion 3-2 moves, the side wall 4-2 can be linked with the turnover portion, so that a bathing area is formed, the structure is simple, extra power of the side wall 4-2 is not needed, and the overall structure of the sickbed is simplified. In order to improve the use safety, both ends of the bedstead 2 are provided with baffle plates. In the actual use process, the side wall 4-2 and the mattress 3-3 both adopt massage cushions, and the two ends of the mattress 3-3 positioned on the turning part 3-2 slightly extend out of the side wall 4-2, so as to avoid the water leakage after the mattress is enclosed into a bathing area.

Further, the drainage mechanism 6 comprises a drainage pipe 6-1, a supporting seat 6-2 and a supporting seat driving assembly 6-3; the middle part of the bed plate mechanism 3 is provided with a mounting window 3-4; the drain pipe 6-1 is hinged in the mounting window 3-4 through a hinge; the supporting seat driving assembly 6-3 is used for driving the supporting seat 6-2 to lift; the supporting seat 6-2 is provided with a supporting groove 6-4 matched with the drainage pipe 6-1 in shape, the drainage pipe 6-1 is jacked up through the supporting seat 6-2 to support the body of a patient, so that the drainage pipe 6-1 is more attached to the body of the patient, and the comfort of the patient is guaranteed.

Furthermore, two first driving mechanisms 5 are symmetrically arranged and are respectively used for driving the two overturning parts 3-2 to overturn; the first driving mechanism 5 comprises a first electric push rod 5-1 and a first driving arm 5-2; the fixed end of the first electric push rod 5-1 is fixed at the bottom of the bedstead 2, and the movable end is hinged with one end of the first driving arm 5-2; the other end of the first driving arm 5-2 is rotatably provided with a first roller 5-3 which is abutted against the overturning part 3-2, the arm body of the first driving arm 5-2 is hinged with the base 1, and the overturning part 3-2 is driven to move by adopting the first electric push rod 5-1, so that the installation is easy, the first electric push rod 5-1 can also play a limiting role on the overturning part 3-2, and the use safety is ensured.

Further, the second driving mechanism 7 comprises a second electric push rod 7-1, a first connecting arm 7-2 and a second driving arm 7-3; the second driving arm 7-3 is rotationally connected to the bedstead 2 through a rotating shaft 7-4; the fixed end of the second electric push rod 7-1 is hinged with the bedstead 2, and the movable end is hinged with one end of the first connecting arm 7-2; the other end of the first connecting arm 7-2 is fixedly connected with the rotating shaft 7-4; one end of the second driving arm 7-3 is fixedly connected with the rotating shaft 7-4, the other end of the second driving arm is provided with a second roller 7-5 which is abutted against the movable end of the supporting frame 3-1-1, and the second electric push rod 7-1 is adopted to drive the movable end of the supporting frame 3-1-1 to lift, so that the structure is simple, and the control is easy.

Further, the supporting seat driving assembly 6-3 comprises a fixed frame 6-3-1, a third electric push rod 6-3-2, a driving block 6-3-3, a second cross connecting rod 6-3-4 and a connecting block 6-3-5; the fixed frame 6-3-1 is fixed at the bottom of the bedstead 2; the connecting block 6-3-5 is connected to the bottom of the supporting seat 6-2 in a sliding mode through a sliding rod; the driving block 6-3-3 is connected to the bottom of the fixed frame 6-3-1 in a sliding manner; two groups of second cross connecting rods 6-3-4 are symmetrically arranged, two ends of the bottoms of the two groups of second cross connecting rods 6-3-4 are respectively hinged with the fixed frame 6-3-1 and the driving block 6-3-3, and the tops of the two groups of second cross connecting rods 6-3-4 are respectively hinged with the supporting seat 6-2 and the connecting block 6-3-5; the fixed end of the third electric push rod 6-3-2 is fixed on the fixed frame 6-3-1, the other end of the third electric push rod is fixedly connected with the driving block 6-3-3, and the third electric push rod 6-3-2 is used as driving power of the supporting seat 6-2, so that the structure is simple, and the supporting effect is good.

Further, in order to adjust the height of the sickbed and adapt to different patients, the base 1 comprises an upper support frame and a lower support frame; the upper support frame and the lower support frame are connected through a lifting mechanism 8; the bed frame 2 is fixed on the upper supporting frame; the lifting mechanism 8 comprises a first lifting component and a second lifting component and is used for synchronously driving two ends of the upper supporting frame to lift; the first lifting assembly comprises a fourth electric push rod 8-1, a second connecting arm 8-2 and a third connecting arm 8-3; one end of the second connecting arm 8-2 is in rolling connection with the upper supporting frame, and the other end of the second connecting arm is hinged with the lower supporting frame; two ends of the third connecting arm 8-3 are respectively hinged with the upper supporting frame and the second connecting arm 8-2; the fixed end of the fourth electric push rod 8-1 is hinged with the lower support frame, and the movable end of the fourth electric push rod is hinged with the third connecting arm 8-3 through a connecting shaft; the second lifting assembly comprises a fifth electric push rod 8-4, a fourth connecting arm 8-5 and a fifth connecting arm 8-6; one end of the fourth connecting arm 8-5 is hinged with the upper supporting frame, and the other end of the fourth connecting arm 8-5 is hinged with the fifth connecting arm 8-6; the other end of the fifth connecting arm 8-6 is hinged with the lower supporting frame. The first driving mechanism 5, the second driving mechanism 7, the supporting seat driving assembly 6-3 and the lifting mechanism 8 are driven in the form of electric push rods, so that the sickbed is simple in structure and easy to install, and only needs to be electrified without accessing too many circuits, and does not need to access an external air source like an air cylinder, and the portability of sickbed movement is improved.

Furthermore, the edge of the mounting window 3-4 is also provided with a support ring 3-5; the drain pipe 6-1 is hinged in the support ring 3-5 through a hinge, so that the drain mechanism not only can be used for draining, but also can be used as a closestool.

The bed board mechanism 3 of the sickbed for bathing patients comprises a supporting part 3-1 and a turning part 3-2, and is provided with a side wall mechanism 4 and a first driving mechanism 5, after the first driving mechanism 5 drives the sickbed to turn over without turning over, the turning part 3-2 can be linked with the side wall mechanism 4 to form a bathing area, so that the sickbed is convenient for bathing the patients, water can be discharged through a drainage mechanism 6 after bathing is finished, the sickbed is convenient to use, the work burden of medical staff is greatly reduced, the comfort of the patients is ensured, and secondary injury to the patients is avoided.

The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A sickbed for bathing patients is characterized in that: comprises a movable base (1) and a bed frame (2) arranged on the base (1); a bed plate mechanism (3) is arranged on the bed frame (2); the bed plate mechanism (3) comprises a supporting part (3-1) in the middle and turning parts (3-2) hinged with the two sides of the supporting part (3-1); two ends of the bedstead (2) are symmetrically provided with side wall mechanisms (4) which are linked with the turning parts (3-2); the bottom of the bedstead (2) is provided with a first driving mechanism (5) for driving the two turnover parts (3-2) to turn over; when the first driving mechanism (5) drives the two overturning parts (3-2) to overturn, the two overturning parts (3-2) and the two side surrounding mechanisms (4) form a bathing area in a surrounding manner; a drainage mechanism (6) communicated with the bathing area is movably arranged below the bed plate mechanism (3).

2. A hospital bed for bathing a patient according to claim 1, wherein: the support part (3-1) comprises a support frame (3-1-1); the overturning part (3-2) comprises an overturning frame (3-2-1); the bed plate mechanism (3) also comprises a soft mattress (3-3); the middle part of the mattress (3-3) is fixedly connected with the supporting frame (3-1-1), and the two sides are respectively fixedly connected with the two turning frames (3-2-1).

3. A hospital bed for bathing a patient according to claim 2, wherein: the supporting frame (3-1-1) and the overturning frame (3-2-1) are both composed of movable ends at two ends and a fixed end at the middle part, and the movable ends at the two ends are both hinged with the fixed end at the middle part; the fixed end of the middle part of the supporting frame (3-1-1) is fixedly connected with the bedstead (2); the bottom of the bedstead (2) is also provided with a second driving mechanism (7) which is respectively used for driving the two movable ends of the supporting frame (3-1-1) to move.

4. A hospital bed for bathing a patient according to claim 1, wherein: the side wall mechanism (4) comprises a mounting beam (4-1), a side wall (4-2), a first connecting rod (4-3) and a second rod (4-4); the mounting beam (4-1) is movably connected to the support part (3-1) through a first cross connecting rod (4-5); the side wall (4-2) is made of soft materials, the upper part of the side wall (4-2) is fixedly connected with the mounting beam (4-1), and the lower part of the side wall is fixedly connected with the supporting part (3-1); two ends of the mounting beam (4-1) are symmetrically provided with first sliding chutes (4-6) along the length direction; two ends of the supporting part (3-1) are symmetrically provided with second sliding chutes (4-7) along the length direction; two ends of the upper part of the first cross connecting rod (4-5) are respectively connected in the two first sliding chutes (4-6) in a sliding manner, and two ends of the lower part of the first cross connecting rod (4-5) are respectively connected in the two second sliding chutes (4-7) in a sliding manner; the two first connecting rods (4-3) and the two second connecting rods (4-4) are arranged, one ends of the two first connecting rods (4-3) are coaxially hinged to the middle of the mounting beam (4-1), and the other ends of the two first connecting rods (4-3) are respectively connected to the middle of the two second connecting rods (4-4) in an intersecting manner; one ends of the two second rods (4-4) are respectively and coaxially hinged to the two end heads at the lower part of the first cross connecting rod (4-5), and the other ends of the two second rods (4-4) are respectively hinged to the turning part (3-2).

5. A hospital bed for bathing a patient according to claim 1, wherein: the drainage mechanism (6) comprises a drainage pipe (6-1), a supporting seat (6-2) and a supporting seat driving assembly (6-3); a mounting window (3-4) is arranged in the middle of the bed plate mechanism (3); the drain pipe (6-1) is hinged in the mounting window (3-4) through a hinge; the supporting seat driving assembly (6-3) is used for driving the supporting seat (6-2) to lift; and a support groove (6-4) with a shape matched with that of the drain pipe (6-1) is arranged on the support seat (6-2).

6. A hospital bed for bathing a patient according to claim 1, wherein: the two first driving mechanisms (5) are symmetrically arranged and are respectively used for driving the two overturning parts (3-2) to overturn; the first driving mechanism (5) comprises a first electric push rod (5-1) and a first driving arm (5-2); the fixed end of the first electric push rod (5-1) is fixed at the bottom of the bedstead (2), and the movable end of the first electric push rod is hinged with one end of the first driving arm (5-2); the other end of the first driving arm (5-2) is rotatably provided with a first roller (5-3) which is abutted against the overturning part (3-2), and the arm body of the first driving arm (5-2) is hinged with the base (1).

7. A hospital bed for bathing a patient according to claim 3, wherein: the second driving mechanism (7) comprises a second electric push rod (7-1), a first connecting arm (7-2) and a second driving arm (7-3); the second driving arm (7-3) is rotatably connected to the bedstead (2) through a rotating shaft (7-4); the fixed end of the second electric push rod (7-1) is hinged with the bed frame (2), and the movable end of the second electric push rod is hinged with one end of the first connecting arm (7-2); the other end of the first connecting arm (7-2) is fixedly connected with the rotating shaft (7-4); one end of the second driving arm (7-3) is fixedly connected with the rotating shaft (7-4), and the other end is provided with a second roller (7-5) which is abutted against the movable end of the supporting frame (3-1-1).

8. A hospital bed for bathing a patient according to claim 5, wherein: the supporting seat driving assembly (6-3) comprises a fixed frame (6-3-1), a third electric push rod (6-3-2), a driving block (6-3-3), a second cross connecting rod (6-3-4) and a connecting block (6-3-5); the fixed frame (6-3-1) is fixed at the bottom of the bedstead (2); the connecting block (6-3-5) is connected to the bottom of the supporting seat (6-2) in a sliding manner through a sliding rod; the driving block (6-3-3) is connected to the bottom of the fixed frame (6-3-1) in a sliding manner; two groups of second cross connecting rods (6-3-4) are symmetrically arranged, two ends of the bottoms of the two groups of second cross connecting rods (6-3-4) are respectively hinged with the fixed frame (6-3-1) and the driving block (6-3-3), and the tops of the two groups of second cross connecting rods (6-3-4) are respectively hinged with the supporting seat (6-2) and the connecting block (6-3-5); the fixed end of the third electric push rod (6-3-2) is fixed on the fixed frame (6-3-1), and the other end of the third electric push rod is fixedly connected with the driving block (6-3-3).

9. A hospital bed for bathing a patient according to claim 1, wherein: the base (1) comprises an upper supporting frame and a lower supporting frame; the upper supporting frame and the lower supporting frame are connected through a lifting mechanism (8); the bed frame (2) is fixed on the upper supporting frame; the lifting mechanism (8) comprises a first lifting component and a second lifting component and is used for synchronously driving two ends of the upper supporting frame to lift; the first lifting assembly comprises a fourth electric push rod (8-1), a second connecting arm (8-2) and a third connecting arm (8-3); one end of the second connecting arm (8-2) is in rolling connection with the upper supporting frame, and the other end of the second connecting arm is hinged with the lower supporting frame; two ends of the third connecting arm (8-3) are respectively hinged with the upper supporting frame and the second connecting arm (8-2); the fixed end of the fourth electric push rod (8-1) is hinged with the lower support frame, and the movable end of the fourth electric push rod is hinged with the third connecting arm (8-3) through a connecting shaft; the second lifting assembly comprises a fifth electric push rod (8-4), a fourth connecting arm (8-5) and a fifth connecting arm (8-6); one end of the fourth connecting arm (8-5) is hinged with the upper supporting frame, and the other end of the fourth connecting arm is hinged with the fifth connecting arm (8-6); the other end of the fifth connecting arm (8-6) is hinged with the lower supporting frame.

10. A hospital bed for bathing a patient according to claim 5, wherein: the edge of the mounting window (3-4) is also provided with a support ring (3-5); the drain pipe (6-1) is hinged in the support ring (3-5) through a hinge.