CN110893138A

CN110893138A - Nursing bed

Info

Publication number: CN110893138A
Application number: CN201911339910.1A
Authority: CN
Inventors: 张平
Original assignee: Sichuan Machine Brother Technology Co Ltd
Current assignee: Sichuan Machine Brother Technology Co Ltd
Priority date: 2019-12-23
Filing date: 2019-12-23
Publication date: 2020-03-20

Abstract

The embodiment of the invention provides a nursing bed, which comprises a bed main body, a shielding piece and a drainage device, wherein the bed main body is provided with a drainage port; the drainage device comprises a closestool and a linkage mechanism, the shielding piece is connected with the bed main body and used for opening or closing the drainage port, the linkage mechanism is connected with the shielding piece and the closestool at the same time and used for driving the shielding piece to move to open the drainage port when the closestool moves relative to the bed main body and is aligned with the drainage port, or driving the shielding piece to close the drainage port when the closestool moves relative to the bed main body and is staggered with the drainage port. Through link gear's design, can realize the simultaneous movement of closestool, shielding piece and lid, the simple operation is reliable, saves the time of adjustment excretory device position, and the patient of being convenient for defecates, and the nurse bed uses more conveniently. And the nursing bed can adjust the posture of the bed body according to the requirements of the patient so as to adapt to the actions of bending legs, lifting back, turning over and the like of the patient.

Description

Nursing bed

Technical Field

The invention relates to the field of medical equipment, in particular to a nursing bed.

Background

With the rapid development of the medical level in China and the rise of the requirements of people on medical equipment, the career cares of the cared people are continuously developed, and simultaneously, with the serious problem of aging of the population, the improvement of the family care and nursing of the elderly who cannot take care of themselves due to physical weakness and bedridden or diseases becomes an important subject.

Currently, for the care of patients, a nursing bed is adopted as an auxiliary measure.

In research, the prior nursing bed has the following defects:

the patient is inconvenient to defecate.

Disclosure of Invention

Objects of the invention include, for example, providing a nursing bed that improves the ease of use of a voiding apparatus to facilitate voiding by a patient.

Embodiments of the invention may be implemented as follows:

in a first aspect, embodiments provide a nursing bed comprising:

the bed comprises a bed main body, a shielding piece and a drainage device, wherein a drainage port is formed in the bed main body; the drainage device comprises a closestool and a linkage mechanism, the shielding piece is connected with the bed main body and used for opening or closing the drainage port, the linkage mechanism is connected with the shielding piece and the closestool at the same time and used for driving the shielding piece to move to open the drainage port when the closestool moves relative to the bed main body and is aligned with the drainage port, or driving the shielding piece to close the drainage port when the closestool moves relative to the bed main body and is staggered with the drainage port.

In an alternative embodiment, the bed body has a support surface for carrying the patient, and the top of the shield is flush with the support surface when the shield is in a position closing the drainage port.

In an optional embodiment, the linkage mechanism comprises a sliding part, a first transmission part and a second transmission part, wherein the first transmission part is in transmission connection with the toilet, and the second transmission part is in transmission connection with the shielding part; the first transmission piece and the second transmission piece are both movably connected with the sliding piece, the sliding piece is connected with the bed main body, and when the sliding piece moves relative to the bed main body and drives the first transmission piece to move so as to enable the closestool to be aligned with the drainage port, the second transmission piece is driven to move so as to enable the shielding piece to open the drainage port; or when the sliding piece moves relative to the bed main body and drives the first transmission piece to move so as to enable the closestool to be staggered with the drainage port, the second transmission piece is driven to move so as to enable the shielding piece to close the drainage port.

In an optional embodiment, the linkage mechanism further includes a first lever, the first lever is rotatably connected to the bed main body, the first transmission member is rotatably engaged with one end of the first lever, the other end of the first lever is rotatably engaged with the toilet, and the slider is configured to drive the first transmission member to move so as to drive the first lever to rotate, so as to drive the toilet to face the discharge opening or to be staggered with the discharge opening.

In an optional embodiment, the linkage mechanism further includes a second lever, the second lever is rotatably connected to the bed main body, one end of the second lever is connected to the second transmission member, the other end of the second lever is connected to the shielding member, and the sliding member is configured to drive the second transmission member to move and drive the second lever to rotate, so as to drive the shielding member to open or close the drain opening.

In an optional embodiment, the linkage mechanism further includes a connecting member, one end of the connecting member is connected to the blocking member, the other end of the connecting member is rotatably connected to the bed main body, a sliding groove is formed in the connecting member, the second lever is in sliding fit with the sliding groove, and when the sliding member drives the second lever to rotate relative to the bed main body, the second lever slides relative to the sliding groove and drives the blocking member to rotate so as to open or close the drain opening.

In an optional embodiment, the sliding part is in sliding fit with the bed main body along a preset direction, the sliding part is provided with a first sliding hole and a second sliding hole, the first sliding hole and the second sliding hole both have included angles with the preset direction, the first transmission part penetrates through the first sliding hole, and the second transmission part penetrates through the second sliding hole; when the sliding part slides relative to the bed main body, the sliding part drives the first transmission part and the second transmission part to lift and descend simultaneously.

In an alternative embodiment, the linkage mechanism further comprises a guide structure, the guide structure is connected to the sliding member and the bed main body at the same time, and is used for guiding the sliding member to slide along the preset direction.

In an alternative embodiment, the nursing bed further comprises a cover body, wherein the cover body is movably connected with the closestool and used for opening or closing the opening of the closestool; the linkage mechanism is connected with the cover body and is used for enabling the cover body to move relative to the closestool to open the opening when the closestool moves to be aligned with the discharge opening; or when the toilet is moved to be offset from the discharge opening, the cover is moved relative to the toilet to close the opening.

In an optional embodiment, the linkage mechanism further comprises a gear and a rack which are meshed with each other, the gear is connected with the cover body, and the cover body is rotationally connected with the toilet bowl; the rack is connected with the bed main body; when the closestool moves to be aligned with the discharge port, the gear rotates relative to the rack and moves along the extending direction of the rack so as to drive the cover body to rotate, and therefore the opening is opened; when the closestool moves to be staggered with the discharge opening, the gear rotates relative to the rack and moves along the extending direction of the rack so as to drive the cover body to rotate, and therefore the opening is closed.

The beneficial effects of the embodiment of the invention include, for example:

to sum up, the nursing bed that this embodiment provided, when normal condition, the shielding piece shutoff is in excretion hole department, and the patient is when using nursing bed, and the patient is difficult for being absorbed in excretion hole, and the patient uses more comfortablely. And the excretion device is staggered with the excretion hole, namely the excretion device is not right opposite to the excretion hole, so that the excrement in the excretion device can be cleaned conveniently. When the excretion device is needed, the toilet of the excretion device moves to the position below the excretion hole and is right opposite to the excretion hole, the shielding piece leaves the excretion hole to open the excretion hole under the action of the linkage mechanism, two actions of opening the excretion hole and moving the excretion device do not need to be separately carried out, the operation is convenient and fast, the operation steps are saved, the operation time is saved, and the defecation of a patient is facilitated.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of a perspective view of a nursing bed provided in this embodiment;

FIG. 2 is a schematic structural view of another perspective of the nursing bed provided in this embodiment;

fig. 3 is a schematic view of the drainage device and the bed plate unit according to this embodiment;

fig. 4 is a schematic fitting diagram of the sliding member provided in this embodiment;

FIG. 5 is a schematic view of the second transmission member and the second lever according to the present embodiment;

fig. 6 is a schematic structural view of the shielding member according to the present embodiment;

fig. 7 is a schematic structural view of a modified structure of the drainage device provided in this embodiment.

Icon:

001-looking at the nursing bed; 100-a bed body; 110-a bed support; 120-a bed board unit; 130-a drain opening; 140-a support surface; 200-a shield; 300-a drainage device; 310-a toilet bowl; 320-a linkage mechanism; 321-a driving member; 322-a slide; 3221-a first sliding hole; 3222-a second sliding hole; 323-first transmission member; 324-a second transmission; 325-a first lever; 326-a second lever; 327-connecting piece; 3271-chute; 328-supporting strip; 329-gear wheel; 330-a rack; 331-a guide structure; 400-a cover body; 500-water pipe; 600-a valve; 700-guard.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that if the terms "upper", "lower", "inside", "outside", etc. indicate an orientation or a positional relationship based on that shown in the drawings or that the product of the present invention is used as it is, this is only for convenience of description and simplification of the description, and it does not indicate or imply that the device or the element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

Furthermore, the appearances of the terms "first," "second," and the like, if any, are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.

Referring to fig. 1 and 2, the present embodiment provides a nursing bed 001, and the nursing bed 001 can be used in hospitals or homes, has a wide application range, and is convenient for patients to defecate during use.

Referring to fig. 1 and 2, in the present embodiment, a nursing bed 001 includes a bed main body 100, a shielding member 200, and a drainage device 300, wherein the bed main body 100 is provided with a drainage port 130; the drainage device 300 comprises a toilet 310 and a linkage mechanism 320, wherein the shielding member 200 is connected with the bed main body 100 and used for opening or closing the drainage port 130, the linkage mechanism 320 is connected with the shielding member 200 and the toilet 310 at the same time and used for driving the shielding member 200 to move to open the drainage port 130 when the toilet 310 moves relative to the bed main body 100 and is opposite to the drainage port 130 or driving the shielding member 200 to close the drainage port 130 when the toilet 310 moves relative to the bed main body 100 and is staggered with the drainage port 130.

According to the nursing bed 001 provided by the embodiment, when the nursing bed 001 is used, the shielding piece 200 blocks the position of the excretory opening 130 in a normal state, and when a patient uses the nursing bed 001, the patient is not easy to fall into the excretory opening 130 or the part of the patient falling into the excretory opening 130 is few, so that the comfort of the patient in use is improved. When the drainage device 300 is not needed, the drainage device 300 is staggered with the drainage port 130, that is, the drainage device 300 is not over against the drainage port 130, and the drainage device 300 is closer to the bedside, so as to clean the excrement in the drainage device 300. When the excretion device 300 needs to be used, the toilet 310 of the excretion device 300 moves to the position below the excretion opening 130 and is opposite to the excretion opening 130, and under the action of the linkage mechanism 320, the shielding piece 200 is separated from the excretion opening 130 to open the excretion opening 130, two actions of opening the excretion opening 130 and moving the excretion device 300 do not need to be separately performed, so that the operation is convenient and fast, the operation steps are saved, the operation time is saved, and the defecation of a patient is facilitated.

Optionally, when the shielding element 200 is rotated from the position for blocking the drainage port 130 to the position for opening the drainage port 130, the shielding element 200 is rotated toward the bottom of the bed main body 100, the bottom of the bed main body 100 has a large space for accommodating the shielding element 200, and the shielding element 200 is rotated to the bottom of the bed main body 100, so that the usage space for the patient on the bed main body 100 is not occupied.

Optionally, when the shield 200 is in a position to close off the drain opening 130, a portion of the shield 200 is inserted into the drain opening 130 and the top of the shield 200 is no higher than the support surface 140 of the bed main body 100. In other words, after the cover 200 closes the drainage port 130, the cover 200 does not protrude from the supporting surface 140 of the bed main body 100, and the patient's use of the bed main body 100 is not easily affected. Further, when the shield 200 is located at the position for blocking the drainage port 130, the top of the shield 200 is flush with the supporting surface 140 of the bed main body 100, i.e. the top of the shield 200 is a plane, and the top plane of the shield 200 and the supporting surface 140 of the bed main body 100 for supporting the patient are located in the same plane, which is convenient for using the bed main body 100.

Optionally, the bed main body 100 includes a bed support 110 and a bed board unit 120, the bed board unit 120 is connected to the bed support 110, and the bed board unit 120 is movably connected to the bed support 110 to adjust the posture of the patient on the bed board unit 120, for example, the structural form of the bed board unit 120 may be adjusted to make the patient perform leg bending, back lifting or turning. Optionally, a brake-able road wheel is mounted at the bottom of the bed support 110.

Referring to fig. 3 and fig. 5, in the present embodiment, optionally, the linkage mechanism 320 includes a driving element 321, a sliding element 322, a guiding structure 331, a first transmission element 323, a second transmission element 324, two first levers 325, a second lever 326 and a connecting element 327. The driving member 321 is connected to the bed support 110, and the driving member 321 is used for driving the sliding member 322 to slide relative to the bed support 110. The sliding element 322 is slidably engaged with the bed frame 110 through a guiding structure 331, optionally, the sliding element 322 is provided with a guiding post, the guiding structure 331 is connected with the bed frame, the guiding structure 331 is provided with a guiding sleeve, and the guiding post is inserted into the guiding sleeve and slidably engaged with the guiding sleeve. The first transmission piece 323 and the second transmission piece 324 are both in transmission connection with the sliding piece 322, the first transmission piece 323 is simultaneously connected with two first levers 325, the first levers 325 are arranged on the bed bracket 110 and are in rotating fit with the bed bracket 110, and the first levers 325 are connected with the closestool 310; the second transmission member 324 is connected to a second lever 326, the second lever 326 is disposed on the bed frame 110 and is rotatably engaged with the bed frame 110, and the second lever 326 is connected to a connecting member 327 disposed on the shielding member 200. Under the driving of the driving element 321, the sliding element 322 slides linearly and reciprocally with respect to the frame, and when the first driving element 323 drives the toilet 310 to move to align with the discharge opening 130 via the first lever 325, the second driving element 324 drives the shielding element 200 to open the discharge opening 130 via the second lever 326. Alternatively, when the first transmission part 323 drives the toilet 310 to be offset from the discharge opening 130 via the first lever 325, the second transmission part 324 drives the shielding member 200 to close the discharge opening 130 via the second lever 326.

It should be noted that, in the embodiment, the driving element 321 drives the sliding element 322 to slide along a predetermined direction relative to the bed frame, the predetermined direction may be parallel to the length direction of the bed frame, or may be other directions, which are not listed here.

Referring to fig. 4, optionally, the sliding member 322 is plate-shaped, a first sliding hole 3221 and a second sliding hole 3222 penetrating through the sliding member 322 along a direction perpendicular to the plate surface of the sliding member 322 are disposed on the sliding member 322, the first sliding hole 3221 and the second sliding hole 3222 are both strip-shaped holes, an included angle is formed between each of the first sliding hole 3221 and the second sliding hole 3222 and the preset direction, or an included angle is formed between at least a part of the hole section of each of the first sliding hole 3221 and the second sliding hole 3222 and the preset direction. Alternatively, the first sliding hole 3221 and the second sliding hole 3222 are arranged in parallel, and after the sliding member 322 is installed on the bed support 110 through the guiding structure 331, the first sliding hole 3221 and the second sliding hole 3222 are arranged at an interval along the height direction of the bed frame, and the height of the first sliding hole 3221 is lower than that of the second sliding hole 3222.

Optionally, the first transmission member 323 is rod-shaped, the first transmission member 323 passes through the first sliding hole 3221, and two ends of the first transmission member 323 are respectively rotatably engaged with one first lever 325.

Optionally, the second transmission member 324 is rod-shaped, the second transmission member 324 passes through the second sliding hole 3222, and the second transmission member 324 is rotatably engaged with the second lever 326.

In the initial state, the blocking member 200 closes the drainage port 130 and the toilet 310 is located below the bed plate unit 120 and staggered with the drainage port 130. When the toilet 310 is needed to be used, the driving member 321 is activated to drive the sliding member 322 to slide along the first direction parallel to the bed frame, and drives the first transmission member 323 to slide in the first sliding hole 3221, and since the first sliding hole 3221 is inclined relative to the first direction, the height of the first transmission member 323 gradually decreases when sliding in the first sliding hole 3221, the position where the first lever 325 is connected with the first transmission member 323 is pressed down to drive the two first levers 325 to rotate, the two first levers 325 rotate and drive the toilet 310 to rotate towards the position of the drain outlet 130, in the process, the sliding member 322 drives the second transmission member 324 to slide in the second sliding hole 3222 at the same time, and the height of the second transmission piece 324 is gradually reduced, the position where the second lever 326 is connected with the second transmission piece 324 is pressed down to drive the second lever 326 to rotate, and the second lever 326 drives the shielding member 200 to rotate to open the discharge opening 130. Similarly, when the toilet 310 is not needed to be used, the driving member 321 is activated, so that the driving member 321 drives the sliding member 322 to slide relative to the bed frame along a second direction opposite to the first direction, the first transmission member 323 and the first lever 325 drive the toilet 310 to move away from the discharge opening 130 to be staggered with the discharge opening 130 during the sliding process of the sliding member 322, and the second transmission member 324 and the second lever 326 drive the blocking member 200 to rotate and close the discharge opening 130.

Alternatively, the driving member 321 may be a pneumatic cylinder, a hydraulic cylinder, or a lead screw transmission structure.

Referring to fig. 6, optionally, the connecting member 327 is in a plate shape, the connecting member 327 is fixedly connected to the shielding member 200, the connecting member 327 is disposed on the bed frame 110 and rotatably engaged with the bed frame 110, a sliding groove 3271 is disposed on the connecting member 327, the second lever 326 is slidably engaged with the sliding groove 3271, the second lever 326 rotates relative to the connecting member 327 while sliding in the sliding groove 3271, an external force applied to the connecting member 327 by the second lever 326 is transmitted to the connecting member 327 through a groove wall of the sliding groove 3271, and drives the connecting member 327 to rotate, so as to drive the shielding member 200 to rotate, thereby closing or opening the drainage opening 130.

In this embodiment, optionally, the nursing bed 001 further includes a cover 400, and the cover 400 is movably connected to the toilet 310 and is used for opening or closing the opening of the toilet 310; the linkage mechanism 320 is connected to the cover 400 for moving the cover 400 relative to the toilet 310 to open the opening when the toilet 310 is moved into alignment with the discharge opening 130; or when the toilet bowl 310 is moved to be misaligned with the discharge port 130, the cover 400 is moved relative to the toilet bowl 310 to close the opening. Through the design of the linkage mechanism 320, the position of the toilet 310, the position of the cover 400 and the position of the shielding member 200 can be linked, so that the patient can use the excretion device 300 conveniently, and the convenience of using the excretion device 300 is improved.

Optionally, the linkage mechanism 320 further includes two support bars 328, the two support bars 328 are located on two sides of the toilet 310, one ends of the two support bars 328 are rotatably connected to the toilet 310, the other ends of the two support bars 328 are rotatably connected to the bed frame, the two support bars 328 and the two first levers 325 work together to support the toilet 310, and the toilet 310 is better in balance and not prone to toppling. And in the process that the toilet 310 rotates relative to the bed frame, the supporting bars 328 can rotate adaptively, so that the toilet 310 is kept in a horizontal state all the time, and is convenient to cooperate with the discharge opening 130 for use.

Referring to fig. 7, optionally, the linkage mechanism 320 further includes a gear 329 and a rack 330 engaged with each other, the rack 330 is an arc-shaped rack 330, the gear 329 is connected with the cover 400, and the cover 400 is rotatably connected with the toilet 310. The rack 330 is connected with the bed support 110 of the bed main body 100; when the toilet 310 moves to be opposite to the discharge opening 130, the gear 329 rotates relative to the rack 330 and moves toward the top of the bed main body 100 along the extending direction of the rack 330 to drive the cover 400 to rotate, thereby opening the opening; when the toilet 310 moves to be offset from the discharge opening 130, the gear 329 rotates relative to the rack 330 and moves toward the bottom of the bed main body 100 along the extending direction of the rack 330 to rotate the cover 400, thereby closing the opening. The toilet bowl 310 rotates relative to the bed frame 110 under the driving of the first lever 325, the gear 329 rotates together with the toilet bowl 310, the motion track of the gear 329 is a circular arc, therefore, the gear rack 330 is designed to be an arc-shaped structure, and the gear 329 is always meshed with the gear rack 330 in the process of rotating together with the toilet bowl 310.

Obviously, in other embodiments, the rack 330 may be a bar structure, the rack 330 is movably connected with the bed support 110, and the rack 330 always has a movement tendency to engage with the gear 329, so that the gear 329 can keep engaging with the rack 330 when rotating together with the toilet 310.

Optionally, a water pipe 500 and a valve 600 are further arranged on the toilet 310, the water pipe 500 is connected with the toilet 310, and the valve 600 is connected with the water pipe 500 and can change the diameter of the water pipe 500, so as to realize the smoothness or the blocking of the water pipe 500.

Optionally, the nursing bed 001 further comprises a guard 700 disposed on the bed frame 110, and the guard 700 is rotatably connected to the bed frame 110 and can be rotated to a position protruding out of the supporting surface 140 of the bed plate unit 120 to prevent the patient from falling off the bed plate unit 120. Can also be rotated to be positioned below the bed plate unit 120 or be flush with the bed plate unit 120, and can not affect the getting on or off of the bed of the patient.

The nursing bed 001 provided by the embodiment can realize the synchronous movement of the closestool 310, the shielding piece 200 and the cover body 400 through the design of the linkage mechanism 320, is convenient and reliable to operate, saves the time for adjusting the position of the excretion device 300, is convenient for the patient to defecate, and is more convenient to use when watching the nursing bed 001. And the nursing bed 001 can adjust the posture of the bed main body 100 according to the requirements of the patient so as to adapt to the actions of bending legs, lifting back, turning over and the like of the patient.

The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. A nursing bed, comprising:

the bed comprises a bed main body, a shielding piece and a drainage device, wherein a drainage port is formed in the bed main body; the drainage device comprises a toilet and a linkage mechanism, wherein the shielding piece is connected with the bed main body and used for opening or closing the drainage port, the linkage mechanism is simultaneously connected with the shielding piece and the toilet and used for driving the shielding piece to move to open when the toilet moves relative to the bed main body and is aligned with the drainage port or driving the shielding piece to close when the toilet moves relative to the bed main body and is staggered with the drainage port.

2. The nursing bed of claim 1, wherein:

the bed main body is provided with a supporting surface for bearing a patient, and the top of the shielding piece is flush with the supporting surface when the shielding piece is positioned at the position of closing the excretion opening.

3. The nursing bed of claim 1, wherein:

the linkage mechanism comprises a sliding part, a first transmission part and a second transmission part, the first transmission part is in transmission connection with the closestool, and the second transmission part is in transmission connection with the shielding part; the first transmission piece and the second transmission piece are both movably connected with the sliding piece, the sliding piece is connected with the bed main body, and when the sliding piece moves relative to the bed main body and drives the first transmission piece to move so as to enable the closestool to be aligned with the discharge port, the second transmission piece is driven to move so as to enable the shielding piece to open the discharge port; or when the sliding piece moves relative to the bed main body and drives the first transmission piece to move so as to enable the closestool to be staggered with the drainage port, the second transmission piece is driven to move so as to enable the shielding piece to close the drainage port.

4. A nursing bed as claimed in claim 3 wherein:

the linkage mechanism further comprises a first lever, the first lever is rotatably connected with the bed main body, the first transmission piece is rotatably matched with one end of the first lever, the other end of the first lever is rotatably matched with the closestool, and the sliding piece is used for driving the first transmission piece to move so as to drive the first lever to rotate, so that the closestool is driven to be opposite to the discharge port or staggered with the discharge port.

5. A nursing bed as claimed in claim 3 wherein:

the linkage mechanism further comprises a second lever, the second lever is connected with the bed main body in a rotating mode, one end of the second lever is connected with the second transmission piece, the other end of the second lever is connected with the shielding piece, the sliding piece is used for driving the second transmission piece to move and drive the second lever to rotate, and therefore the shielding piece is driven to be opened or closed.

6. A nursing bed as claimed in claim 5, in which:

the link gear still includes the connecting piece, the one end of connecting piece with the shielding piece is connected, the other end of connecting piece with the bed main part rotates to be connected, be provided with the spout on the connecting piece, the second lever with spout sliding fit works as the slider drive the second lever for when the bed main part rotates, the second lever for the spout slides and drives the shielding piece rotates in order to open or close the drain hole.

7. A nursing bed according to any of claims 3-6, characterized in that:

the sliding part is in sliding fit with the bed main body along a preset direction, the sliding part is provided with a first sliding hole and a second sliding hole, included angles are formed between the first sliding hole and the second sliding hole and the preset direction, the first transmission part penetrates through the first sliding hole, and the second transmission part penetrates through the second sliding hole; when the sliding part slides relative to the bed main body, the sliding part drives the first transmission part and the second transmission part to lift and descend simultaneously.

8. A nursing bed as claimed in claim 7, in which:

the linkage mechanism further comprises a guide structure, and the guide structure is connected to the sliding piece and the bed main body at the same time and used for guiding the sliding piece to slide along the preset direction.

9. The nursing bed of claim 1, wherein:

the nursing bed also comprises a cover body, wherein the cover body is movably connected with the closestool and is used for opening or closing the opening of the closestool; the linkage mechanism is connected with the cover body and used for enabling the cover body to move relative to the toilet bowl to open the opening when the toilet bowl moves to be aligned with the discharge opening; or moving the cover relative to the toilet to close the opening when the toilet is moved to be misaligned with the drain opening.

10. The nursing bed of claim 9 wherein:

the linkage mechanism further comprises a gear and a rack which are meshed with each other, the gear is connected with the cover body, and the cover body is rotationally connected with the closestool; the rack is connected with the bed main body; when the toilet moves to be aligned with the discharge opening, the gear rotates relative to the rack and moves along the extending direction of the rack so as to drive the cover body to rotate, and therefore the opening is opened; when the closestool moves to be staggered with the discharge opening, the gear rotates relative to the rack and moves along the extending direction of the rack so as to drive the cover body to rotate, and therefore the opening is closed.