CN110893139A

CN110893139A - Nursing bed

Info

Publication number: CN110893139A
Application number: CN201911339939.XA
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 frame, a bed board assembly and guardrails, wherein the bed board assembly is provided with a supporting part for supporting a patient, and the bed board assembly is movably connected with the bed frame so as to adjust the posture of the patient on the supporting part; the guardrail is rotatably connected with the bed frame and is provided with a first position and a second position, and when the guardrail is positioned at the first position, the guardrail protrudes out of the supporting part in the height direction of the bed frame so as to prevent a patient from falling off from the side part of the bed board assembly in the width direction of the bed board assembly; when the guard rail is in the second position, the guard rail does not protrude out of the support portion. The state of mattress can be adjusted as required to this nursing bed to the action such as adaptation patient's leg curl, lift the back or stand up, and can be convenient for patient's getting on or off the bed through the position that changes the guardrail.

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, the use of care beds for patients is becoming more widespread.

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

the patient is inconvenient to get on or off the bed.

Disclosure of Invention

Objects of the present invention include, for example, providing a nursing bed that can improve the ease with which a patient can get on and off the bed.

Embodiments of the invention may be implemented as follows:

in a first aspect, the present embodiment provides a nursing bed, comprising:

the bed plate assembly is movably connected with the bed frame so as to adjust the posture of a patient on the supporting part; the guardrail is rotatably connected with the bed frame and is provided with a first position and a second position, and when the guardrail is positioned at the first position, the guardrail protrudes out of the supporting part in the height direction of the bed frame so as to prevent a patient from falling off from the side part of the bed board assembly in the width direction of the bed board assembly; when the guard rail is in the second position, the guard rail does not protrude out of the support portion.

In an alternative embodiment, the deck assembly includes a plurality of support members arranged along a length of the frame, at least one of the support members being movably coupled to the frame to adjust a posture of a patient positioned on the support member.

In an alternative embodiment, the plurality of support members includes a first support member and a second support member, the first support member being pivotally coupled to the second support member, the second support member being pivotally coupled to the frame; the second support piece can drive the first support piece to rotate so as to change the angle between the first support piece and the second support piece.

In an alternative embodiment, the nursing bed further comprises a first driving assembly connected to the frame for driving the first support to rotate relative to the frame.

In an alternative embodiment, the plurality of support members further includes a third support member pivotally coupled to the frame.

In an alternative embodiment, the nursing bed further comprises a support frame, the support frame is rotatably connected with the bed frame around a first axis, the third support member is rotatably connected with the support frame around a second axis, and the first axis and the second axis form an included angle.

In an alternative embodiment, the nursing bed further comprises a second driving assembly, and the second driving assembly is connected with the support frame and is used for driving the third support member to rotate relative to the support frame.

In an alternative embodiment, the nursing bed further comprises a limiting assembly, wherein the limiting assembly is connected to the third support member and the support frame at the same time, and is used for locking the third support member after the third support member is driven by the second driving assembly to rotate to a set position along a first direction, so that the third support member is prevented from rotating along a second direction opposite to the first direction.

In an optional embodiment, the limiting assembly comprises a first clamping member, a second clamping member and a limiting member, and the second driving assembly is connected with the support frame and is used for driving the third support member to rotate relative to the support frame; the first clamping piece is rotationally connected with the third supporting piece, a first clamping opening and a second clamping opening which are communicated are formed in the first clamping piece, and an included angle is formed between the first clamping opening and the second clamping opening; the second clamping piece comprises a plugging part and a connecting part which are connected, the plugging part and the connecting part are rotatably connected with the support frame at the connecting position, and the plugging part is in sliding fit with the first clamping piece and can slide between the first clamping opening and the second clamping opening in a reciprocating manner; the limiting piece is rotatably connected with the supporting frame, and the connecting part is rotatably matched with the limiting piece;

when the second driving assembly drives the third supporting piece to rotate along the first direction, the first clamping piece is driven to rotate along the first direction, so that the second clamping piece is driven to rotate along a second direction opposite to the first direction, and the inserting part slides from the first clamping opening to the second clamping opening and is locked in the second clamping opening when the second clamping piece rotates, so that the second clamping piece is limited to rotate along the first direction, and the third supporting piece is limited to rotate along the second direction; when the third supporting piece continues to rotate along the first direction under the driving of the second driving assembly, the inserting part is unlocked from the second bayonet and slides into the first bayonet, so that the limitation of the second bayonet to the rotation of the second bayonet along the first direction is removed, and the third supporting piece can rotate along the second direction.

In an optional embodiment, the nursing bed further comprises a toilet stool, and the toilet stool is connected with the bed frame; the bed frame is provided with a discharge opening matched with the toilet.

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

in summary, this embodiment provides a nursing bed, during the use, can rotate the setting angle with respect to the bedstead earlier with the guardrail to make the guardrail move from the primary importance to the second place, at this moment, the guardrail does not have the supporting part that the protrusion is used for supporting the patient, and the patient is convenient for get on the bed and get off the bed. And after the patient gets into bed, can rotate the guardrail to first position from the second position again, the guardrail is protruding the supporting part again on the direction of height of bedstead, can prevent that the patient from dropping from the lateral part of bedstead on its width direction, improves the security. Simultaneously, the nursing bed is including installing the bed board subassembly on the bedstead, and the bed board subassembly can be for the bedstead activity in order to adjust the position for the bedstead, and then adjusts patient's posture, can adapt to the different demands of patient, improves the travelling comfort to do benefit to patient's recovery.

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 view of a nursing bed according to the present embodiment;

fig. 2 is a schematic structural diagram of the nursing bed provided in the present embodiment (the table is not shown);

fig. 3 is a schematic structural diagram of another view angle of the nursing bed provided in this embodiment;

fig. 4 is a schematic structural diagram of a nursing bed provided in this embodiment from yet another perspective;

FIG. 5 is an enlarged partial view of the structure at V in FIG. 4;

fig. 6 is a schematic structural diagram of the limiting assembly provided in this embodiment;

fig. 7 is a schematic structural diagram of the first clamping member provided in this embodiment.

Icon:

001-a nursing bed; 100-bed frame; 200-a bed board assembly; 210-a first support; 220-a second support; 230-a third support; 240-intermediate support; 241-drain outlet; 250-a support block; 300-a guardrail; 400-a first drive assembly; 410-a transmission; 500-a second drive assembly; 600-a third drive assembly; 700-a support frame; 800-a limiting component; 810-a first snap; 811-a first bayonet; 812-a second bayonet; 820-a second clip; 821-a plug part; 822-a linker; 830-a limiter; 831-limiting bayonet; 840-a first rotating shaft; 850-a second shaft; 900-table board.

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, the present embodiment provides a nursing bed 001, which can be used as a medical bed for patients and a home bed. When the nursing bed 001 is used, a patient can get on or off the bed conveniently.

Referring to fig. 1 and 2, a nursing bed 001 of the present embodiment includes a bed frame 100, a bed board assembly 200 and a guardrail 300, wherein the bed board assembly 200 has a support portion for supporting a patient, and the bed board assembly 200 is movably connected to the bed frame 100 to adjust a posture of the patient on the support portion; the guard rail 300 is rotatably connected with the frame 100, and the guard rail 300 has a first position and a second position, and when the guard rail 300 is located at the first position, the guard rail 300 protrudes a support portion in the height direction of the frame 100 to prevent a patient from falling off from the side of the deck assembly 200 in the width direction thereof; when the guard rail 300 is in the second position, the guard rail 300 does not protrude out of the support portion.

In the nursing bed 001 of the present embodiment, when the initial state is set, the guard rail 300 is located at the first position, and at this time, the guard rail 300 protrudes out of the supporting portion. When a patient needs to get on or off the bed, the guardrail 300 is rotated by a set angle relative to the bed frame 100, so that the guardrail 300 moves from the first position to the second position, at this time, the guardrail 300 does not have a supporting part protruding for supporting the patient, the guardrail 300 does not obstruct the patient from getting on or off the bed, and the patient can get on or off the bed conveniently. After the patient gets into the bed, the guard rail 300 can be rotated from the second position to the first position, and the guard rail 300 protrudes from the supporting portion in the height direction of the bed frame 100, so that the patient can be prevented from falling off from the side portion of the bed frame 100 in the width direction thereof, and the safety is improved. Meanwhile, the nursing bed 001 includes a bed board assembly 200 installed on the bed frame 100, the bed board assembly 200 can move relative to the bed frame 100 to adjust the position relative to the bed frame 100, and then the posture of the patient can be adjusted, so that different requirements of the patient can be met, the comfort is improved, and the rehabilitation of the patient is facilitated.

It should be noted that when the guard rail 300 is rotated from the first position to the second position, the guard rail 300 can be in a horizontal state, so as to increase the width of the supporting portion and increase the usable area of the nursing bed 001. Obviously, the guard rail 300 can be further rotated to make the guard rail 300 be located under the bedstead 100, and the guard rail 300 has no part protruding out of the side wall of the bedstead 100, so that the patient is not easy to block and is more convenient to get on and off the bed. It should be understood that the rotation angle of the guard rail 300 is selected as required during use, and is not particularly limited herein.

In this embodiment, the deck assembly 200 includes a plurality of supporting members, the plurality of supporting members are arranged along the length direction of the bed frame 100, and at least one of the plurality of supporting members is movably connected to the bed frame 100 to adjust the posture of the patient on the supporting portion. When the bed frame is used, after one of the supporting members rotates relative to the bed frame 100, the shape of the supporting member can be adjusted, so that the actions of bending legs, lifting back or bending waist of a patient can be realized, and the use of the bed frame is convenient for the patient.

Optionally, the nursing bed 001 further comprises a mattress supported by the support, in other words, the mattress is laid on the mattress assembly 200 and is supported by the plurality of support subsections together, so that the patient can use the nursing bed more comfortably. The relative positions of the sub-supporting parts are adjusted to adjust the shape of the mattress, so that the mattress can be folded to adapt to the actions of bending legs, lifting back, turning over and the like of a patient.

Referring to fig. 2, optionally, the plurality of supporting members include a first supporting member 210, a second supporting member 220, a third supporting member 230, a middle supporting member 240, a first driving assembly 400 and a second driving assembly 500, and the first supporting member 210, the second supporting member 220, the middle supporting member 240 and the third supporting member 230 are sequentially arranged along the length direction of the bed frame 100. The first supporting member 210 is rotatably connected to the second supporting member 220, the second supporting member 220 is rotatably connected to the bed frame 100, the first supporting member 210 can rotate relative to the second supporting member 220 to achieve an elevation angle or a depression angle with respect to a horizontal plane, and at the same time, the second supporting member 220 can be driven to rotate relative to the bed frame 100 to enable the second supporting member 220 to achieve an elevation angle or a depression angle. The third supporting member 230 is rotatably coupled to the frame 100 to adjust an angle with respect to the frame 100. Each support member is provided with a support sub-portion, and the support sub-portions of the plurality of support members together form a support portion for supporting a patient. Because the plurality of supporting sub-parts are independently arranged, the position of each supporting sub-part can be adjusted, and the whole supporting part can not be positioned on the same plane, so that the patient can be kept in different postures when the patient is supported. The first driving assembly 400 is connected to the bed frame 100, and the first driving assembly 400 is used for driving the first supporting member 210 to rotate relative to the second supporting member 220. A second driving assembly 500 is connected to the frame 100, and the second driving assembly 500 is used for driving the third supporting member 230 to rotate with respect to the frame 100.

Optionally, the first support 210 and the second support 220 cooperate to support the patient's leg while assisting the patient in bending the leg.

Optionally, the first supporting member 210 includes three supporting blocks 250, the three supporting blocks 250 are arranged along the width direction of the bed frame 100, and adjacent supporting blocks 250 are rotatably connected. The first driving assembly 400 abuts against the middle supporting block 250 for driving the middle supporting block 250 to rotate relative to the second supporting member 220.

Optionally, the second supporting member 220 includes three supporting blocks 250, the three supporting blocks 250 are arranged along the width direction of the bed frame 100, adjacent supporting blocks 250 are rotatably connected, and the three supporting blocks 250 of the first supporting member 210 and the three supporting blocks 250 of the second supporting member 220 are in one-to-one correspondence and rotatably connected.

Referring to fig. 3, optionally, the first driving assembly 400 includes a first driving member disposed on the bed frame 100 and connected to the transmission member 410, and a transmission member 410 connected to the first supporting member 210, wherein the first driving member drives the transmission member 410 to move so as to drive the first supporting member 210 to rotate. The first drive member may be an air cylinder, a hydraulic cylinder or a lead screw drive.

Optionally, the intermediate support 240 is provided with a drain 241. The drain 241 may be opened or closed.

Alternatively, the third supporter 230 includes a plurality of supporting blocks 250, the plurality of supporting blocks 250 includes side supporting blocks 250 positioned at both sides in the width direction of the frame 100 and a back-supporting block 250 and a head-supporting block 250 positioned between the two side supporting blocks 250, the back-supporting block 250 and the head-supporting block 250 are rotatably connected, and the two side supporting blocks 250 are simultaneously rotatably connected with the back-supporting block 250 and the head-supporting block 250.

It should be noted that each support block 250 is a separate structure, and each support block 250 includes a base plate and a mat, and the mat is connected to the base plate to improve the flexibility of the mattress assembly 200 and make it more comfortable to use.

Optionally, a second drive assembly 500 is coupled to the frame 100 for driving the back-support block 250 to raise and lower relative to the frame 100 to effect the back-lifting of the patient.

Optionally, the nursing bed 001 further comprises a support frame 700 and a third driving assembly 600. The supporting frame 700 is rotatably connected to the bedstead 100, the rotation axes of the supporting frame 700 and the bedstead 100 extend along the length direction of the bedstead 100, the deck assembly 200 is connected to the supporting frame 700, in other words, the first supporting member 210, the second supporting member 220, the middle supporting member 240 and the third supporting member 230 are all connected to the supporting frame 700, and the supporting frame 700 is rotatably connected to the bedstead 100, and the rotation axes of the supporting frame 700 and the bedstead 100 are perpendicular to the rotation axis of the third supporting member 230, obviously, in other embodiments, the rotation axes of the two may have other angles. After the supporting frame 700 is rotated, the height of the supporting frame 700 at both sides of the bed frame 100 in the width direction can be adjusted, so that the inclined state of the supporting part can be adjusted to adapt to the turning of the patient. The third driving assembly 600 is connected to the frame 100 for driving the support stand 700 to rotate relative to the frame 100. The second driving assembly 500 is connected to the supporting frame 700 for driving the third supporting member 230 to rotate relative to the supporting frame 700.

Optionally, the second drive assembly 500 includes an air cylinder, a hydraulic cylinder, or a lead screw drive structure. The third drive assembly 600 includes an air cylinder, a hydraulic cylinder, or a lead screw drive structure.

Optionally, the supporting frame 700 is provided with a plurality of connecting lugs arranged at intervals along the length direction thereof, the number of the connecting lugs may be two, and two connecting lugs are simultaneously and rotatably connected with the bed frame 100. The whole bed board assembly 200 can be driven to rotate by rotating the supporting frame 700, so that the mattress is driven to be folded, and the patient can turn over.

Referring to fig. 4-7, optionally, the nursing bed 001 further includes a limiting assembly 800, wherein the limiting assembly 800 is connected to the third supporting member 230 and the supporting frame 700, and is used for locking the third supporting member 230 after the third supporting member 230 is driven by the second driving assembly 500 to rotate to a set position along a first direction, so as to prevent the third supporting member 230 from rotating along a second direction opposite to the first direction. After the position of the third supporting member 230 is adjusted, the locking action of the limiting component 800 can reduce the pressure applied to the second driving component 500, the second driving component 500 is not easily damaged, the service life of the second driving component 500 is prolonged, the third supporting member 230 is prevented from being restored to the initial position after the supporting force of the second driving component 500 fails, and the safety is improved.

Further, the limiting assembly 800 includes a first clamping member 810, a second clamping member 820 and a limiting member 830, and the second driving assembly 500 is connected to the supporting frame 700 and is used for driving the third supporting member 230 to rotate relative to the supporting frame 700; the first clamping piece 810 is rotatably connected with the third supporting piece 230, a first bayonet 811 and a second bayonet 812 which are communicated with each other are arranged on the first clamping piece 810, and an included angle is formed between the first bayonet 811 and the second bayonet 812; the second clamping member 820 comprises a plug part 821 and a connecting part 822 which are connected, the plug part 821 and the connecting part 822 are rotatably connected with the support frame 700 through a first rotating shaft 840 at the connecting position, and the plug part 821 is in sliding fit with the first clamping member 810 and can slide between the first bayonet 811 and the second bayonet 812 in a reciprocating manner; the limiting member 830 is rotatably connected to the supporting frame 700 through the second rotating shaft 850, the supporting frame 700 has a supporting portion for supporting against the limiting member 830 to limit the limiting member 830 from rotating close to the supporting portion, and the connecting portion 822 is rotatably matched with the limiting member 830. Optionally, the limiting member 830 is provided with a limiting bayonet 831, and the connecting portion 822 is rotatably matched with the limiting bayonet 831.

The third supporting member 230 is set to be in a horizontal state, when the patient needs to sit, the second driving assembly 500 is started to drive the third supporting member 230 to rotate along the first direction, and the first engaging member 810 is driven to rotate along the first direction, so that the inserting portion 821 is slid into the second engaging opening 812 from the first engaging opening 811, and when the third supporting member 230 has a tendency to rotate along a second direction opposite to the first direction, the first engaging member 810 drives the connecting portion 822 to have a tendency to rotate along the first direction, so that the limiting member 830 has a tendency to rotate along the second direction opposite to the first direction, and the limiting member 830 abuts against the abutting portion, so as to limit the rotation of the third supporting member 230 along the second direction and lock the third supporting member 230. Because the angled third supporting member 230 tends to return to the horizontal state under the action of gravity, the third supporting member 230 is supported by the limiting assembly 800 and the second driving assembly 500 at the same time, and the load of the third supporting member 230 acting on the second driving assembly 500 is partially shared by the limiting assembly 800, i.e., the load acting on the second driving assembly 500 is reduced, the second driving assembly 500 is not easily damaged, the service life of the second driving assembly 500 is prolonged, and the safety is improved. When the third supporting member 230 needs to be unlocked, the third supporting member 230 continues to rotate along the first direction under the driving of the second driving assembly 500, so as to drive the first clamping member 810 to rotate along the first direction, and because the rotation of the second clamping member 820 along the second direction is not limited, the first clamping member 810 can drive the second clamping member 820 to rotate along the second direction, so that the inserting portion 821 is unlocked from the second bayonet 812 and slides into the first bayonet 811, thereby removing the limitation on the rotation of the first clamping member 810 along the second direction, so as to enable the third supporting member 230 to rotate along the second direction.

In this embodiment, optionally, the nursing bed 001 further includes a toilet stool, which is mounted on the bed frame 100 and located below the bed board assembly 200, and an inlet of the toilet stool corresponds to the drainage port 241 on the middle support 240, so as to better collect excrement.

In this embodiment, optionally, the nursing bed 001 further includes a table 900, and the table 900 is detachably connected to the guardrail 300. Optionally, the side rails 300 are disposed on both sides of the bedstead 100 assembly in the width direction, two opposite side rails 300 form a group, and one group of side rails 300 can support one table board 900 together. Optionally, a through groove is formed in the table board 900, and the through groove in the table board 900 is detachably clamped and matched with the guardrail 300.

Optionally, the bed frame 100 is provided with a brake-able wheel at the bottom.

The nursing bed 001 provided by the embodiment can adjust the state of the mattress according to the needs to adapt to the actions of bending legs, lifting back or turning over of the patient, and can facilitate the patient to get on or off the bed by changing the position of the guardrail 300.

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 care bed, characterized in that it comprises:

the bed board assembly is movably connected with the bed frame so as to adjust the posture of a patient on the supporting part; the guardrail is rotatably connected with the bed frame and has a first position and a second position, and when the guardrail is located at the first position, the guardrail protrudes out of the supporting part in the height direction of the bed frame so as to prevent a patient from falling off from the side part of the bed board assembly in the width direction of the bed board assembly; when the guardrail is in the second position, the guardrail does not protrude out of the support part.

2. The care bed of claim 1, wherein:

the bed board assembly comprises a plurality of supporting pieces, the supporting pieces are arranged along the length direction of the bed frame, and at least one of the supporting pieces is movably connected with the bed frame so as to adjust the posture of a patient on the supporting portion.

3. The care bed of claim 2, wherein:

the plurality of supporting pieces comprise a first supporting piece and a second supporting piece, the first supporting piece is rotatably connected with the second supporting piece, and the second supporting piece is rotatably connected with the bedstead; the second support piece can drive the first support piece to rotate so as to change the angle between the first support piece and the second support piece.

4. A care bed as recited in claim 3, wherein:

the nursing bed further comprises a first driving assembly, wherein the first driving assembly is connected with the bed frame and is used for driving the first supporting piece to rotate relative to the bed frame.

5. The care bed of claim 2, wherein:

the plurality of supports further includes a third support pivotally coupled to the bed frame.

6. The care bed of claim 5, wherein:

the nursing bed further comprises a support frame, the support frame is connected with the bed frame in a rotating mode around a first axis, the third support piece is connected with the support frame in a rotating mode around a second axis, and an included angle is formed between the first axis and the second axis.

7. The care bed of claim 6, wherein:

the nursing bed further comprises a second driving assembly, and the second driving assembly is connected with the supporting frame and used for driving the third supporting piece to rotate relative to the supporting frame.

8. The care bed of claim 7, wherein:

the nursing bed further comprises a limiting assembly which is connected to the third supporting member and the supporting frame at the same time and used for locking the third supporting member after the third supporting member is driven by the second driving assembly to rotate to a set position along a first direction, so that the third supporting member is prevented from rotating along a second direction opposite to the first direction.

9. The care bed of claim 8, wherein:

the limiting assembly comprises a first clamping piece, a second clamping piece and a limiting piece, and the second driving assembly is connected with the supporting frame and used for driving the third supporting piece to rotate relative to the supporting frame; the first clamping piece is rotationally connected with the third supporting piece, a first clamping opening and a second clamping opening which are communicated are formed in the first clamping piece, and an included angle is formed between the first clamping opening and the second clamping opening; the second clamping piece comprises a plug-in part and a connecting part which are connected, the plug-in part and the connecting part are rotatably connected with the support frame at the connecting position, and the plug-in part is in sliding fit with the first clamping piece and can slide between the first clamping opening and the second clamping opening in a reciprocating manner; the limiting piece is rotatably connected with the supporting frame, the supporting frame is provided with an abutting part which is abutted against the limiting piece to limit the limiting piece to be close to the supporting frame to rotate, and the connecting part is rotatably matched with the limiting piece;

when the second driving assembly drives the third supporting piece to rotate along a first direction, the first clamping piece is driven to rotate along the first direction, so that the inserting part slides into the second bayonet from the first bayonet, and when the third supporting piece has a trend of rotating along a second direction opposite to the first direction, the first clamping piece drives the connecting part to have a trend of rotating along the first direction, so that the limiting piece has a trend of rotating along a second direction opposite to the first direction, so that the limiting piece is abutted against the abutting part, the third supporting piece is limited to rotate along the second direction, and the third supporting piece is locked; when the third support piece needs to be unlocked, the third support piece is driven by the second driving assembly to continue to rotate along the first direction so as to drive the first clamping piece to rotate along the first direction and drive the second clamping piece to rotate along the second direction, so that the insertion part is unlocked from the second bayonet and slides into the first bayonet, and therefore the limitation on the rotation of the first clamping piece along the second direction is removed, and the third support piece can rotate along the second direction.

10. The care bed of claim 1, wherein:

the nursing bed also comprises a toilet stool, and the toilet stool is connected with the bed frame; the bed frame is provided with a drain outlet matched with the toilet.