Nursing bed for old people

Abstract

The invention relates to the technical field of old-age nursing and aiding facilities, in particular to an old-age nursing bed which comprises a bed body, a mattress, bed sheets, a left bed sheet replacing mechanism, a right bed sheet replacing mechanism and a bed sheet cleaning mechanism. The bed sheet cleaning mechanism comprises a cleaning tank, a spray-washing pipe, a suction pipe and a fixing mechanism used for fixing the cleaning tank to the bed body, the inner end of the cleaning tank is clamped with the outer side of the right driven roller and the outer side of the left driven roller, the inner end of the cleaning tank is divided into a spray-washing cavity and a suction cavity, the spray-washing cavity is located above the suction cavity, the spray-washing pipe is communicated with the spray-washing cavity, and the suction pipe is communicated with the spray-washing cavity. The suction pipe is communicated with the suction cavity; according to the scheme, by arranging the structures such as the cleaning tank, the driving wheels and the motors, a bed sheet is cleaned in an up-down moving mode, unified management and cleaning of a nursing bed are completed, the maintenance cost of the old-age nursing mechanism is greatly reduced, and the bed sheet is rapidly replaced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of elderly care facilities, in particular to an elderly care bed. BACKGROUND

[0002] With the increasing aging of the domestic population, the proportion of the elderly in the domestic population is becoming larger and larger, and the demand for elderly care beds in the domestic elderly care market is also increasing. Among them, elderly care beds are gradually moving into every family, into communities and into elderly care institutions. In elderly care institutions, some elderly people have difficulty moving, and nursing staff need to move the elderly together to change the bed sheets, which can complete the change of the bed sheets. In the process of changing, the elderly are prone to physical discomfort due to frequent changes in body position. Moreover, there are many elderly people in elderly care institutions, and the frequency of changing and washing is high, which leads to an increase in nursing workload and further increases costs.

[0003] The document with application number CN202020431990.5 discloses a nursing bed for automatically changing bed sheets, which comprises a bed body frame and a bed plate. The bed plate is designed as a semi-curved surface and comprises a first bed plate and a second bed plate. The first cloth roller and the driving device are fixedly arranged on the left and right sides of the bed body frame. The second cloth roller is arranged on the lower side of the bed plate and is connected to the first cloth roller through the bed sheet cloth transmission. The bed sheet cloth on the second cloth roller can pass through the gap between the first bed plate and the second bed plate, be laid on the bed plate, and be fixedly wound on the first cloth roller on the same side. The driving device drives the first cloth roller to rotate, drives the second cloth roller on the same side to rotate through the bed sheet cloth, and moves the bed sheet cloth on the bed plate, thereby completing the change of the bed sheet cloth. The nursing bed can automatically change the bed sheets. However, there are many elderly care beds in elderly care institutions, and the use of the above-mentioned nursing bed will greatly increase the nursing cost and make it inconvenient to manage and change the bed sheets. SUMMARY

[0004] The present application aims to provide a nursing bed to solve the problem that the current elderly care bed is not suitable for use in elderly care institutions, has a high cost, and is inconvenient to manage and change the bed sheets.

[0005] In order to achieve the above object, the present application adopts the following technical scheme: an old-age nursing bed, comprising a bed body, a mattress, a bed sheet, a left bed sheet replacing mechanism, a right bed sheet replacing mechanism and a bed sheet cleaning mechanism, the bed sheet comprises a left annular bed sheet and a right annular bed sheet, the left annular bed sheet and the right annular bed sheet are used for covering the mattress; the left bed sheet replacing mechanism comprises a left driving roller and a left driven roller, the left driving roller is fixedly installed at the head of the bed body, the left driven roller is fixedly installed at the tail of the bed body, and the left driving roller and the left driven roller are used for driving the left annular bed sheet to rotate; the right bed sheet replacing mechanism comprises a right driving roller and a right driven roller, the right driving roller is fixedly installed at the head of the bed body, the right driven roller is fixedly installed at the tail of the bed body, and the right driving roller and the right driven roller are used for driving the right annular bed sheet to rotate; the bed sheet cleaning mechanism comprises a cleaning tank, a spray pipe, a suction pipe and a fixing mechanism for fixing the cleaning tank on the bed body, the inner end of the cleaning tank is clamped with the outer side of the right driven roller and the outer side of the left driven roller, the inner end of the cleaning tank is divided into a spray cavity and a suction cavity, the spray cavity is located above the suction cavity, the spray pipe is communicated with the spray cavity, and the suction pipe is communicated with the suction cavity; the cleaning tank is provided with a driving wheel at both ends and a motor for driving the driving wheel to rotate, and the driving wheel is rotationally connected with the cleaning tank; when the inner end of the cleaning tank is clamped with the outer side of the right driven roller or the outer side of the left driven roller, the driving wheel abuts against the outer side of the right driven roller and the outer side of the driving roller, and the length of the cleaning tank is matched with the width of the left annular bed sheet and the width of the right annular bed sheet.

[0006] Preferably, the mattress is provided with a left air bag and a right air bag, the left air bag is located in the range of the left annular bed sheet, the right air bag is located in the range of the right annular bed sheet, and the left air bag and the right air bag are respectively communicated with a suction pump. When the bed sheet needs to be replaced, first, inflation is carried out, so that the mattress height of the replacement side is higher than that of the other side, so that the old people move to the other side of the bed sheet, then the air bag of the replacement side mattress is deflated, so that the mattress and the bed sheet are no longer closely attached, the frictional resistance between the mattress and the bed sheet is reduced, and the bed sheet is moved, cleaned and replaced.

[0007] Preferably, the left air bag is composed of a plurality of air bags that are not communicated, and the right air bag is composed of a plurality of air bags that are not communicated. The air bags on the mattress are divided into multiple parts, the inflation and deflation sequence of the multiple air bags can be adjusted to massage the old people, and a more comfortable experience is brought.

[0008] Preferably, it further comprises a heating rod, and the heating rod is located at the air inlet of the suction pump. The air entering the air bag of the mattress can be heated to avoid the old people from feeling uncomfortable when moving to the other side when replacing the bed sheet.

[0009] Preferably, the heating rod is fixedly installed on the bed body, and the heating rod is located above the bottom of the left circular sheet and above the bottom of the right circular sheet. The heating rod is used to heat and dry the cleaned sheet, so as to accelerate the drying speed of the cleaned sheet.

[0010] Preferably, the thickness of the left circular sheet at the two side edges is greater than the thickness of the middle part, and the thickness of the right circular sheet at the two side edges is greater than the thickness of the middle part. The edge part of the sheet is heavier, so that the sheet is not easy to deform, the sheet moves flatly, and the sheet is easy to clean.

[0011] Preferably, the cleaning tank, the spray pipe and the suction pipe are installed on the moving mechanism. The cleaning tank, the spray pipe and the suction pipe are installed on the moving mechanism, and the moving mechanism is used to move the sheet cleaning mechanism, so that the moving is more convenient.

[0012] Preferably, the spray cavity is provided with an axial distribution pipe, the distribution pipe is communicated with the spray pipe, and a plurality of nozzles are arranged on the distribution pipe. The distribution pipe and the nozzles are used to increase the washing strength of the sheet, so that the stains on the surface of the sheet are easy to fall off, and the sheet can be uniformly cleaned, so as to guarantee the cleaning effect of the sheet.

[0013] Preferably, the left driving roller and the right driving roller are hollow. The left driving roller and the right driving roller are hollow, so that the sewage of the cleaned sheet is more easy to flow into the suction cavity.

[0014] In order to achieve the above purpose, the application further provides a use method of the nursing bed, comprising: Step 1: the cleaning tank is clamped outside the driven roller on the side of the sheet to be replaced, the cleaning tank is tightly attached to the corresponding sheet, the driving wheel is abutted outside the corresponding driven roller, and the cleaning tank is fixed on the bed body by using the fixing mechanism; Step 2: the air bag in the mattress on the side of the sheet to be replaced is inflated, and the old person is transferred to the other side of the bed body; Step 3: then the air bag in the mattress on the side of the sheet to be replaced is deflated; Step 4: the suction pipe switch and the spray pipe switch are turned on, and the motor is started, the spray pipe is used to clean the sheet, the motor drives the driving wheel to rotate, the driving wheel drives the sheet, the driving roller and the driven roller to rotate, so that the cleaning part of the sheet moves to the suction cavity, the suction pipe is used to suck the moisture on the sheet, the sheet above the mattress is sequentially cleaned and moved to below the mattress, and the clean sheet below the original mattress is moved to the mattress.

[0015] The nursing bed is uniformly managed and cleaned, the maintenance cost of the old-age institution is greatly reduced, and the bed sheet is quickly replaced; the bed sheet is divided into left and right parts for replacement, the carrying distance and action of the old people are reduced, and the harm of the old people in the carrying process is reduced; the air bag is used for assisting the movement of the old people, the harm of the old people is reduced, and when the bed sheet is replaced, more employees are not needed to assist the movement of the old people, the work load is reduced and the working strength is reduced; the side mattress air bag is deflated, so that the mattress and the bed sheet are no longer closely attached, the friction resistance between the mattress and the bed sheet is reduced, and the bed sheet is conveniently moved, cleaned and replaced. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structure schematic view of the embodiment of the application.

[0017] Figure 2 It is a structure schematic view of the embodiment of the application.

[0018] Figure 3 It is a partial sectional view of the bed sheet cleaning mechanism of the embodiment of the application. DETAILED DESCRIPTION

[0019] The following is further described in detail through specific embodiments: The reference signs in the drawings of the specification include: bed body 1, bed back 2, bed leg 3, mattress 4, left ring-shaped bed sheet 51, left driving roller 52, left driven roller 53, right ring-shaped bed sheet 61, right driving roller 62, right driven roller 63, cleaning tank 7, spray washing cavity 71, suction cavity 72, spray pipe 8 and suction pipe 9.

[0020] Embodiment: An old-age nursing bed, as shown in the accompanying drawings, comprises: bed body 1, mattress 4, bed sheet, left bed sheet replacement mechanism, right bed sheet replacement mechanism and bed sheet cleaning mechanism. Figure 1 -attached Figure 3 As shown in the accompanying drawings, the bed sheet cleaning mechanism comprises: cleaning tank 7, spray pipe 8, suction pipe 9, spray washing cavity 71, suction cavity 72, left ring-shaped bed sheet 51, left driving roller 52, left driven roller 53, right ring-shaped bed sheet 61, right driving roller 62, right driven roller 63, left bed sheet replacement mechanism and right bed sheet replacement mechanism.

[0021] The bed sheet comprises left ring-shaped bed sheet 51 and right ring-shaped bed sheet 61, and the left ring-shaped bed sheet 51 and the right ring-shaped bed sheet 61 are used for covering the mattress 4. The bed sheet is divided into left and right parts for replacement. When one side of the bed sheet is replaced, the old people can be moved to the other side, the carrying distance of the old people is reduced, and the harm of the old people in the carrying process is reduced. In the present application, the material of the left ring-shaped bed sheet 51 and the right ring-shaped bed sheet 61 is polyester and face material. The shape is annular, which can move up and down. The size of the lower surface of the left ring-shaped bed sheet 51 and the right ring-shaped bed sheet 61 is matched with the mattress 4. The sizes of the left ring-shaped bed sheet 51 and the right ring-shaped bed sheet 61 are the same, and the width of each is slightly greater than one half of the width of the mattress 4.

[0022] In order to facilitate the disassembly of the bed sheet, the left and right circular bed sheets 51 and 61 are connected by magic tape provided at the head and tail ends.

[0023] The thickness of the left circular bed sheet 51 at the two side edges is greater than that at the middle part, and the thickness of the right circular bed sheet 61 at the two side edges is greater than that at the middle part. The edge part of the bed sheet is heavier, so that the bed sheet is not easy to deform, the bed sheet is flat and easy to clean.

[0024] The left bed sheet replacement mechanism includes a left driving roller 52 and a left driven roller 53. The left driving roller 52 is fixedly installed at the head of the bed body 1, and the left driven roller 53 is fixedly installed at the tail of the bed body 1. The left driving roller 52 and the left driven roller 53 are used to drive the left circular bed sheet 51 to rotate. When the bed sheet needs to be replaced, the left driving roller 52 and the left driven roller 53 are used to drive the left circular bed sheet 51 to rotate up and down, so that the clean side of the bottom of the left circular bed sheet 51 is moved to the upper surface of the mattress 4, and the replacement of the bed sheet is completed.

[0025] The right bed sheet replacement mechanism includes a right driving roller 62 and a right driven roller 63. The right driving roller 62 is fixedly installed at the head of the bed body 1, and the right driven roller 63 is fixedly installed at the tail of the bed body 1. The right driving roller 62 and the right driven roller 63 are used to drive the right circular bed sheet 61 to rotate. When the bed sheet needs to be replaced, the right driving roller 62 and the right driven roller 63 are used to drive the right circular bed sheet 61 to rotate up and down, so that the clean side of the bottom of the right circular bed sheet 61 is moved to the upper surface of the mattress 4, and the replacement of the bed sheet is completed.

[0026] The bed back 2 is fixedly installed at the head of the bed body 1, and is fixed by welding or bolts. Four bed legs 3 are fixedly installed at the lower surface of the bed body 1, and are fixed by welding or bolts. Correspondingly, universal wheels can be arranged at the bottom of the bed legs 3 to facilitate the movement of the bed body 1.

[0027] The bed sheet cleaning mechanism comprises a cleaning tank 7, a spray pipe 8, a suction pipe 9 and a fixing mechanism for fixing the cleaning tank 7 on the bed body 1, the inner end of the cleaning tank 7 is clamped with the outer side of the right driven roller 63 and the outer side of the left driven roller 53, the cleaning tank 7 can be C-shaped, when the cleaning tank 7 is clamped on the outer side of the right driven roller 63 and the outer side of the left driven roller 53, the cleaning tank 7 is closely attached to the corresponding bed sheet, the cleaning tank 7 moves relative to the bed sheet under the action of the right driven roller 63 and the left driven roller 53, and the dirt on the bed sheet is removed. In the scheme, the two ends of the cleaning tank 7 are provided with driving wheels and motors for driving the driving wheels to rotate, the installation of the driving wheels and the motors (not shown in the figure) refers to the prior art, the driving wheels are rotationally connected with the cleaning tank 7, when the bed sheet needs to be cleaned, the cleaning tank 7 is first fixed on the bed body 1 by the fixing mechanism, and then the motor drives the driving wheel to rotate, the driving wheel abuts against the right driven roller 63 and the left driven roller 53, the driving wheel drives the right driven roller 63 and the left driven roller 53 to rotate, and further drives the left circular bed sheet 51 and the right circular bed sheet 61 to rotate up and down, moves the clean side of the bottom of the left circular bed sheet 51 and the right circular bed sheet 61 to the upper surface of the mattress 4, and the replacement of the bed sheet is completed.

[0028] The inner end of the cleaning tank 7 is divided into a spray cavity 71 and a suction cavity 72, the spray cavity 71 is located above the suction cavity 72, the spray pipe 8 communicates with the spray cavity 71, the suction pipe 9 communicates with the suction cavity 72, the spray pipe 8 cleans the bed sheet, the motor drives the driving wheel to rotate, the driving wheel drives the bed sheet, the driving roller and the driven roller to rotate, so that the cleaning position of the bed sheet moves to the suction cavity 72, the suction pipe 9 sucks the moisture on the bed sheet, the bed sheet above the mattress 4 is sequentially cleaned and moved to the lower side of the mattress 4 for drying, and the clean bed sheet below the mattress 4 is moved to the upper side of the mattress 4.

[0029] When the inner end of the cleaning tank 7 is clamped with the outer side of the right driven roller 63 or the outer side of the left driven roller 53, the driving wheel abuts against the outer side of the right driven roller 63 and the outer side of the left driven roller 53. The length of the cleaning tank 7 cooperates with the width of the left circular bed sheet 51 and the width of the right circular bed sheet 61. In the scheme, the length of the cleaning tank 7 and the width of the two driving wheels are slightly smaller than the width of the left circular bed sheet 51 and the width of the right circular bed sheet 61.

[0030] The spray pipe and the suction pipe are respectively provided with corresponding electromagnetic valve switches, the spray pipe and the suction pipe respectively communicate with the corresponding pipelines of the cleaning machine, and the cleaning machine can adopt an existing steam cleaning machine or a spray and suction cleaning machine.

[0031] An axial distribution pipe is arranged in the spray cavity 71, the distribution pipe communicates with the spray pipe 8, a plurality of nozzles are arranged on the distribution pipe, and the number of the nozzles is set according to the size of the spray cavity 71. The distribution pipe and the nozzles increase the flushing intensity of the bed sheet, the surface dirt of the bed sheet is more easily removed, the bed sheet can be uniformly cleaned, and the cleaning effect of the bed sheet is ensured.

[0032] The left driven power roller 53 and the right driven power roller 63 are both hollow. The left driven power roller 53 and the right driven power roller 63 are hollow, which is more conducive to the flow of sewage from the bed sheet to the suction cavity 72.

[0033] The side of the cleaning tank 7 in contact with the bed sheet is provided with a rubber sealing ring to ensure the sealing fit between the cleaning tank 7 and the bed sheet.

[0034] The fixing mechanism includes a clamp and a fixing belt. The clamp is C-shaped and is fixed to the cleaning tank 7 by bolts. The fixing belt is made of metal and has a rod structure. One end of the fixing belt is welded or fixed to the clamp by bolts, and the other end of the fixing belt is fixed to the bed body 1 by bolts. The bed body 1 is provided with corresponding bolt holes.

[0035] The cleaning tank 7, the spray pipe 8, and the suction pipe 9 are installed on the moving mechanism. The cleaning tank 7, the spray pipe 8, and the suction pipe 9 are installed on the moving mechanism, which makes the moving bed sheet cleaning mechanism move more quickly and conveniently. In this scheme, the moving mechanism is a moving trolley (not shown in the figure), which makes the moving bed sheet cleaning mechanism move more quickly and conveniently.

[0036] The mattress 4 is provided with a left air bag and a right air bag. The left air bag is located within the range of the left circular bed sheet 51, and the right air bag is located within the range of the right circular bed sheet 61. The left air bag and the right air bag are respectively connected to a suction pump, which is a prior art and is not improved in this scheme. When the bed sheet needs to be replaced, first inflate the mattress 4 on the side to be replaced to make the height of the mattress 4 on the side to be replaced higher than the other side, so that the old person moves to the other side of the bed sheet, and then deflates the air bag of the mattress 4 on the side to be replaced, so that the mattress 4 and the bed sheet are no longer tightly fitted, reducing the frictional resistance between the mattress 4 and the bed sheet, and facilitating the movement and cleaning of the bed sheet.

[0037] The left air bag is composed of a plurality of air bags that are not connected, and the right air bag is composed of a plurality of air bags that are not connected. The air bags on the mattress 4 are divided into multiple parts, and the inflation and deflation sequence of multiple air bags can be adjusted to massage the old person, bringing a more comfortable experience. In this scheme, the air bags are rubber air bags, and the specific number is designed according to actual needs and the size of the mattress.

[0038] The heating rod is located at the air inlet of the suction pump. The air entering the air bag of the mattress 4 can be heated to avoid the old person feeling uncomfortable when moving to the other side when replacing the bed sheet. The heating rod is fixedly installed on the bed body 1, and the heating rod is located above the bottom of the left circular bed sheet 51 and above the bottom of the right circular bed sheet 61. The heating rod is used to heat and dry the cleaned bed sheet, which speeds up the drying speed of the cleaned bed sheet.

[0039] In order to achieve the above object, the scheme also provides a method for using the nursing bed, comprising: Step 1: clamp the cleaning tank 7 outside the driving roller on the side where the bed sheet needs to be replaced, make the cleaning tank 7 tightly fit with the corresponding bed sheet, drive the wheel to abut against the outside of the corresponding driving roller, and use the fixing mechanism to fix the cleaning tank 7 on the bed body 1; Step 2: inflate the air bag in the mattress 4 on the side where the bed sheet needs to be replaced, so as to transfer the old person to the other side of the bed body 1; Step 3: then deflate the air bag in the mattress 4 on the side where the bed sheet needs to be replaced; Step 4: turn on the switch of the suction pipe 9 and the spray pipe 8, and start the motor, the spray pipe 8 cleans the bed sheet, the motor drives the driving wheel to rotate, the driving wheel drives the bed sheet, the driving roller and the driven roller to rotate, so that the cleaning part of the bed sheet moves to the suction cavity 72, the suction pipe 9 sucks the moisture on the bed sheet, the bed sheet above the mattress 4 is cleaned and moved to the position below the mattress 4 in sequence, and the clean bed sheet below the original mattress 4 is moved to the position above the mattress 4.

[0040] The scheme divides the bed sheet into left and right parts for replacement, when replacing the bed sheet on one side, the old person can be moved to the bed sheet on the other side, which reduces the moving distance and the moving operation of the old person, and reduces the injury of the old person in the moving process; the air bag is used to assist in moving the old person, which reduces the injury of the old person, and when replacing the bed sheet, more employees are not needed to assist in moving the old person, which reduces the workload and the working intensity; the air bag in the mattress 4 on the side to be replaced is deflated, so that the mattress 4 and the bed sheet are no longer tightly fitted, the friction resistance between the mattress 4 and the bed sheet is reduced, and the bed sheet is easily moved for cleaning and replacement; the independent cleaning tank 7, the driving wheel and the motor are used to move the cleaning mechanism to replace and clean the bed sheet, which realizes the unified management and cleaning of the nursing bed, greatly reduces the maintenance cost of the old-age care institution, and quickly replaces the bed sheet.

[0041] It should be pointed out that the bedridden old person usually needs to use the nursing bed for defecation, which only needs to set a convenient basin opening on the corresponding position of the nursing bed, and the bed sheet needs to be set with an opening which can be opened and closed by a zipper or magic tape on the corresponding position, which does not affect the implementation of the scheme; and the sitting-up of the old person can be completed by the existing sitting-up auxiliary device, and the nursing bed is not needed to realize this, which is not the innovation point of the present application, so it will not be described in detail.

[0042] The above-mentioned are only embodiments of the present application, and common technical solutions and / or common knowledge of the scheme are not described in detail. It should be pointed out that for those skilled in the art, without departing from the technical solutions of the present application, a number of modifications and improvements can be made, and in the present application, unless otherwise specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be directly connected, or indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above-mentioned terms in the present application can be understood according to the specific circumstances. The protection scope claimed in the present application should be subject to the content of its claims, and the specific embodiments and the like in the specification can be used to explain the content of the claims.

Claims

1. A geriatric care bed, characterized in that It comprises: a bed body, a mattress, a bed sheet, a left bed sheet changing mechanism, a right bed sheet changing mechanism and a bed sheet cleaning mechanism, the bed sheet comprises a left circular bed sheet and a right circular bed sheet, and the left circular bed sheet and the right circular bed sheet are used to cover the mattress; the left bed sheet changing mechanism comprises a left driving roller and a left driven roller, the left driving roller is fixedly installed at the head of the bed body, the left driven roller is fixedly installed at the tail of the bed body, and the left driving roller and the left driven roller are used to drive the left circular bed sheet to rotate; the right bed sheet changing mechanism comprises a right driving roller and a right driven roller, the right driving roller is fixedly installed at the head of the bed body, the right driven roller is fixedly installed at the tail of the bed body, and the right driving roller and the right driven roller are used to drive the right circular bed sheet to rotate; the bed sheet cleaning mechanism comprises a cleaning tank, a spray pipe, a suction pipe and a fixing mechanism for fixing the cleaning tank on the bed body, the inner end of the cleaning tank is clamped with the outer side of the right driven roller and the outer side of the left driven roller, the inner end of the cleaning tank is divided into a spray cavity and a suction cavity, the spray cavity is located above the suction cavity, the spray pipe is communicated with the spray cavity, and the suction pipe is communicated with the suction cavity; both ends of the cleaning tank are provided with driving wheels and motors for driving the driving wheels to rotate, the driving wheels are rotationally connected with the cleaning tank, when the inner end of the cleaning tank is clamped with the outer side of the right driven roller or the outer side of the left driven roller, the driving wheels abut against the outer side of the right driven roller and the outer side of the left driven roller, and the length of the cleaning tank is matched with the width of the left circular bed sheet and the width of the right circular bed sheet.

2. The geriatric care bed defined in claim 1, wherein: The mattress is provided with a left air bag and a right air bag, the left air bag is located in the range of the left circular bed sheet, the right air bag is located in the range of the right circular bed sheet, and the left air bag and the right air bag are respectively communicated with a suction pump.

3. The geriatric care bed defined in claim 2, wherein: The left air bag is composed of a plurality of air bags which are not communicated, and the right air bag is composed of a plurality of air bags which are not communicated.

4. The geriatric care bed defined in claim 2, wherein: It further comprises a heating rod, and the heating rod is located at the air inlet of the suction pump.

5. The geriatric care bed defined in claim 1, wherein: It further comprises a heating rod, and the heating rod is fixedly installed on the bed body and located above the bottom of the left circular bed sheet and above the bottom of the right circular bed sheet.

6. The geriatric care bed defined in claim 1, wherein: The thickness of the left circular bed sheet at the two side edges is greater than that of the middle part, and the thickness of the right circular bed sheet at the two side edges is greater than that of the middle part.

7. The geriatric care bed defined in claim 1, wherein: It further comprises a moving mechanism, and the cleaning tank, the spray pipe and the suction pipe are installed on the moving mechanism.

8. The geriatric care bed defined in claim 1, wherein: The spray cavity is provided with an axial distribution pipe, the distribution pipe is communicated with the spray pipe, and a plurality of nozzles are arranged on the distribution pipe.

9. The geriatric care bed defined in claim 1, wherein: The left driven roller and the right driven roller are both hollow.

10. A method of using a geriatric care bed, characterized in that, It comprises: Step 1: clamp the cleaning tank on the outer side of the driven roller on the side where the bed sheet needs to be changed, so that the cleaning tank is closely attached to the corresponding bed sheet, the driving wheel abuts against the outer side of the corresponding driven roller, and the cleaning tank is fixed on the bed body by using the fixing mechanism; Step 2: inflate the air bags in the mattress on the side where the bed sheet needs to be changed, and move the old person to the other side of the bed body; Step 3: then deflate the air bags in the mattress on the side where the bed sheet needs to be changed; Step 4: Turn on the suction pipe switch and the spray pipe switch, and start the motor. The spray pipe cleans the bed sheet, the motor drives the driving wheel to rotate, the driving wheel drives the bed sheet, the driving roller and the driven roller to rotate, so that the bed sheet cleaning part moves to the suction cavity, the suction pipe sucks the moisture on the bed sheet, and the bed sheet above the mattress is cleaned and moved to the position below the mattress, and the clean bed sheet below the original mattress is moved to the position above the mattress.

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