Bed sheet storage and replacement device for puerpera

Abstract

The utility model discloses a puerpera bed sheet storage and replacement device which comprises a winding box, an unwinding box, a sheet winding roller and a sheet unwinding roller, and the winding box and the unwinding box are fixedly connected to bed side rods on the two sides of a bed body respectively. An unrolling cavity is formed in the unrolling box, a rolling cavity is formed in the rolling box, a disc containing groove is formed in the bottom face of the rolling cavity, and a liquid collecting disc is placed in the disc containing groove. The sheet placing roller is arranged in the sheet placing cavity, a total sheet is wound on the peripheral surface of the sheet placing roller, the total sheet is formed by sequentially connecting a plurality of sub-sheets, the sub-sheets are flatly laid on the bed body, the sheet collecting roller is arranged in the sheet collecting cavity, a drawstring is arranged on the peripheral surface of the sheet collecting roller, and the outer end of the total sheet and the outer end of the drawstring are pasted and fixed through a magic tape. A spray head is arranged on the inner wall of the sheet collecting cavity and sprays disinfectant to a total sheet in the sheet collecting cavity. The dirty bed sheet is rolled through the rolling rollers, the sub-bed sheets on the bed body can be rapidly replaced, time and labor are saved, and the bed is suitable for a traditional sickbed; the dirty sub-bed sheets can be disinfected through the nozzles, and air pollution caused by peculiar smells generated by the dirty sub-bed sheets is avoided.

Description

Technical Field

[0001] The utility model relates to a medical device, in particular to a bed sheet storage and replacement device for parturient women. Background Art

[0002] Bed sheets accumulate pathogenic microorganisms such as bacteria, fungi and viruses after use. In particular, maternal bed sheets are often soaked with breast milk and urine, causing pathogenic microorganisms to grow rapidly on the bed sheets. In order to prevent pathogenic microorganisms from being transferred to patients and causing infection, bed sheets on medical beds in hospitals generally need to be changed regularly by staff. However, most bed sheets are foldable and need to be opened and laid flat on the bed when used, which is time-consuming and labor-intensive and requires a large workload for staff.

[0003] The invention patent CN109350403B announced on February 19, 2021 discloses a bed sheet collecting robot for medical beds, including a winding mechanism and a stretching mechanism, the winding mechanism includes a first box and a first roller located in the first box, the stretching mechanism includes a second box and a second roller located in the second box, and the first box and the second box are respectively fixed at both ends of the medical bed. This invention still has shortcomings: traditional beds are equipped with headboards and footboards, and the bed sheet collecting robot of this invention cannot be directly installed on traditional beds for use; moreover, the bed sheet collecting robot of this invention is inconvenient to carry. Utility Model Content

[0004] The purpose of the utility model is to provide a bed sheet storage and replacement device for maternity women, which can quickly replace bed sheets, save time and labor, and is suitable for traditional beds; it can also disinfect dirty bed sheets to avoid odor from dirty bed sheets causing air pollution.

[0005] In order to achieve the above-mentioned invention object, the utility model adopts the following technical solutions:

[0006] A bed sheet storage and replacement device for maternity, comprising a reeling box, an unreeling box, a sheet reeling roller and a sheet reeling roller, wherein the reeling box and the unreeling box are respectively connected and fixed to the bed side rods on both sides of the bed body. A sheet reeling cavity is provided in the unreeling box, a sheet reeling cavity is provided in the reeling box, a plate placing groove is provided on the bottom surface of the sheet reeling cavity, and a liquid collecting tray is placed in the plate placing groove. The sheet reeling roller is horizontally placed in the sheet reeling cavity, a total sheet is rolled up on the outer circumference of the sheet reeling roller, and the total sheet is formed by a plurality of sub-sheets connected in sequence, and the sub-sheets are laid flat on the bed body, and the sheet reeling roller is horizontally placed in the sheet reeling cavity, a drawstring is provided on the outer circumference of the sheet reeling roller, and the outer end of the total sheet is fixed to the outer end of the drawstring by Velcro. A sheet reeling port is provided on the upper side of the unreeling box door, the sheet reeling roller reeling the total sheet and releasing it out of the sheet reeling cavity from the sheet reeling port, and a sheet reeling port is provided on the upper side of the reeling box door, the sheet reeling roller reeling the total sheet and receiving it into the sheet reeling cavity from the sheet reeling port. A nozzle is provided on the inner wall of the collecting cavity, and the nozzle sprays disinfectant onto the total bed sheet in the collecting cavity. A liquid injection port for connecting the liquid injection device conduit is provided outside the winding box, and the liquid injection port is communicated with the nozzle.

[0007] Compared with the prior art, the maternity bed sheet storage and replacement device using the above technical solution has the following beneficial effects:

[0008] 1. With the utility model of the bed sheet storage and replacement device for parturients, medical staff install the reel box and the unreel box on the bed side bars on both sides of the bed body, then pull the outer end of the total bed sheet out of the sheet release port, and fix it with the outer end of the drawstring extending out of the sheet collection port by Velcro, so that the separate sheets are laid flat on the bed body. When the parturient's bed sheet is contaminated by milk and urine and needs to be replaced, the contaminated separate sheets are rolled into the sheet collection cavity by rotating the sheet collection roller, and the next separate sheet is laid flat on the bed body for the parturient to use. The utility model of the bed sheet storage and replacement device can quickly replace bed sheets, saving time and effort, and is suitable for traditional beds.

[0009] 2. After the contaminated sheets are rolled up into the sheet collection cavity, disinfectant is sprayed through the nozzle for disinfection to prevent the sheets stored in the sheet collection cavity from breeding pathogenic microorganisms and producing odor, thereby improving the air quality in the ward and promoting a healthy life.

[0010] 3. The medical staff opens the door of the unwinding box to replace the unwinding roller that has exhausted the bed sheets; the liquid collecting tray is used to collect urine, milk, disinfectant and other liquids dripping from the bed sheets. The medical staff opens the door of the rewinding box to replace the liquid collecting tray that has collected enough liquid and the rewinding roller that has rewound enough bed sheets. The bed sheet storage and replacement device of the utility model can be used continuously.

[0011] Fourth, in the preferred solution, the winding box moves on the ground via rollers. Medical staff place the unwinding box on the winding box, so that the winding box and the unwinding box can be carried together, which is convenient for transferring to the ward and reduces the workload of medical staff.

[0012] Preferably, the separate bed sheet comprises a middle sheet and two foldable laminated sheets, the two laminated sheets are respectively connected to the middle sheet at the head and the foot of the bed, and after being folded, the two sides of the laminated sheets are fixed to the two sides of the middle sheet by Velcro, and after being unfolded, the separate bed sheet completely covers the bed body. After the medical staff installs the winding box and the unwinding box on the bed side rods on both sides of the bed body, the winding box and the unwinding box are hidden under the bed body, which can reduce the occupied space and facilitate the parturient to get on and off the bed; because the bed legs limit the total width of the bed sheet extending from the sheet release port, the length of the flattened separate bed sheet is less than the length of the bed body, and the medical staff can expand the length of the separate bed sheet by unfolding the laminated sheets at the head and foot of the middle sheet, so that the separate bed sheet completely covers the bed body; when the separate bed sheet needs to be replaced, the medical staff can reduce the length of the separate bed sheet by folding the laminated sheets at the head and foot of the middle sheet, and fixing them by Velcro, so that the separate bed sheet can smoothly enter the sheet receiving port to complete the winding.

[0013] Preferably, a left and a right collecting wheel are provided at both ends of the collecting roller, a slot is provided at the end face of the left collecting wheel, a rotatable shaft is provided at the left wall of the collecting chamber, the shaft is driven to rotate by a motor, a block is provided at the end of the shaft, the block is placed in the slot and fixedly connected. A left and a right releasing wheel are provided at both ends of the releasing roller, positioning slots are provided at the center of the end face of the right collecting wheel, the center of the end face of the left releasing wheel and the center of the end face of the right releasing wheel, a positioning block is provided on the right wall of the releasing chamber, the positioning block is placed in the positioning slot of the right releasing wheel and is rotatably connected. The right wall of the collecting chamber and the left wall of the releasing chamber are rotatably connected with control wheels, respectively, a positioning rod is threadedly connected at the inner center of the control wheel, the positioning rod of the right wall of the collecting chamber is placed in the positioning slot of the right collecting wheel and is rotatably connected, and the positioning rod of the left wall of the releasing chamber is placed in the positioning slot of the left releasing wheel and is rotatably connected, so that the rotating shaft drives the collecting roller to rotate and rewind the total bed sheet. When it is necessary to replace the receiving roller / release roller, the medical staff will rotate the control wheel forward to rotate the positioning rod in and move the positioning rod out of the positioning slot of the original receiving roller / release roller, thereby replacing the original receiving roller / release roller; the medical staff will rotate the control wheel in the opposite direction to rotate the positioning rod out and move the positioning rod into the positioning slot of the new receiving roller / release roller, thereby replacing the new receiving roller / release roller. The card block positions the card slot, so that the shaft can drive the receiving roller to rotate; the motor drives the shaft to rotate to roll up the total bed sheet, and electricity replaces manpower, reducing the workload of medical staff.

[0014] Preferably, an elastic sealing pad is provided on the inner wall of the receiving port, and the sealing pad is made of silicone material, and the bed sheet fits tightly with the sealing pad in the receiving port. The sealing pad enhances the sealing of the receiving port and prevents odor in the receiving cavity from escaping from the receiving port and causing air pollution.

[0015] Preferably, the outer wall of the winding box is provided with a box sticker above the bill receiving opening, the outer end of the drawstring passes through the bill receiving opening and is fixed to the box sticker by Velcro, and the outer wall of the unwinding box door is provided with a cover sticker below the bill releasing opening, the outer end of the total bed sheet passes through the bill releasing opening and is fixed to the cover sticker by Velcro. The drawstring of the winding box is separated from the total bed sheet of the unwinding box, which is convenient for medical staff to install the winding box and the unwinding box on the bed side rods on both sides of the bed body respectively; the cover sticker plays a role in fixing the outer end of the total bed sheet, and the box sticker plays a role in fixing the outer end of the drawstring, which is convenient for medical staff to tear off the cover sticker and the box sticker, and then fix the outer end of the total bed sheet to the outer end of the drawstring by Velcro, and then use it.

[0016] Preferably, drainage slopes are provided on both sides of the tray placement groove on the bottom surface of the receiving cavity, and the upper side of the drainage slope is inclined toward the tray placement groove, that is, the height of the drainage slope gradually decreases from far away to close to the tray placement groove. The drainage slope plays a transition role, so that the liquid dripping from the bed sheet in the receiving cavity can flow into the liquid collection tray.

[0017] Preferably, there are several nozzles, which are arranged on the drainage slope and spaced apart along the length direction of the receiving roller. The several nozzles spray disinfectant on various positions of the sheets in the receiving cavity for comprehensive disinfection.

[0018] Preferably, an anti-overflow slope is provided on one side of the bottom surface of the receiving chamber near the door of the winding box, and the anti-overflow slope is provided on the upper side of the tray placement slot, so that the liquid collecting tray can be pulled out and placed in the tray placement slot. The anti-overflow slope blocks the liquid from flowing toward the door of the winding box, and prevents the liquid from overflowing out of the receiving chamber through the gap of the door of the winding box.

[0019] Preferably, a fixing clamp is provided on the top of the winding box and the top of the unwinding box, and the side bars on both sides of the bed are clamped in the clamping openings of the winding box fixing clamp and the clamping openings of the unwinding box fixing clamp. Bolts are threadedly connected to the outer wall of the unwinding box fixing clamp, and the bolts are screwed into the side bars of the bed to fix the unwinding box and the side bars of the bed. Rollers are provided at the four corners of the bottom surface of the winding box, and the rollers are universal casters with brakes. The rollers are provided with foot rods, which are telescopically arranged on the bottom surface of the winding box, and a spring is provided at the retracted end of the foot rod: when the foot rod is retracted, the spring is compressed; when the foot rod is extended, the spring is reset. The medical staff buckles the bed side rod into the clamping mouth of the unwinding box fixing clamp, and then tightens the bolts to strengthen the fixation between the unwinding box and the bed side rod; the medical staff presses down the winding box, the foot rod retracts and the spring is compressed, so that the top height of the winding box is lowered to be flush with the bottom of the bed side rod, and then pushes the winding box under the bed, buckles the bed side rod into the clamping mouth of the winding box fixing clamp, and then locks the roller to prevent the rolling of the roller from causing the winding box to move.

[0020] Preferably, movable buckle blocks are provided at the lower sides of the two side walls of the unwinding box, buckle grooves are provided at the upper sides of the two side walls of the winding box, and the unwinding box is placed on the winding box. The buckle blocks are moved downward and buckled with the buckle grooves to fix the winding box and the unwinding box. The buckle grooves play a positioning role for the buckle blocks after buckling, preventing the unwinding box on the winding box from accidentally moving during driving, so as to facilitate carrying together. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 Schematic diagram of the structure of the bed sheet storage and replacement device on one side of the winding box in the embodiment.

[0022] Figure 2 It is a schematic diagram of the structure of the winding box when the receiving cavity is opened in the embodiment.

[0023] Figure 3 This is a front view of the winding box when the document collecting cavity is opened in the embodiment.

[0024] Figure 4 It is a schematic structural diagram of the winding box when the document collection cavity is closed in the embodiment.

[0025] Figure 5 It is a schematic diagram of the structure of the left collecting wheel of the collecting roller in the embodiment.

[0026] Figure 6 Schematic diagram of the structure of the left wall of the single cavity in the embodiment.

[0027] Figure 7It is a schematic diagram of the structure of the right collecting wheel of the collecting roller in the embodiment.

[0028] Figure 8 It is a schematic diagram of the structure of the right wall of the single cavity in the embodiment.

[0029] Fig. 9 Schematic diagram of the structure of the bed sheet storage and replacement device on one side of the unwinding box in the embodiment.

[0030] Fig.10 It is a schematic structural diagram of the unwinding box when a single cavity is opened in the embodiment.

[0031] Fig.11 This is a front view of the unwinding box when a single cavity is opened in the embodiment.

[0032] Fig.12 It is a front view of the unwinding box when the cover is closed to release a single cavity in the embodiment.

[0033] Fig.13 It is a structural schematic diagram of placing a single roller and a left wheel in the embodiment.

[0034] Fig.14 It is a schematic diagram of the structure of the left wall of the single cavity in the embodiment.

[0035] Fig.15 It is a schematic diagram of the structure of placing a single roller and a right wheel in the embodiment.

[0036] Fig.16 It is a schematic diagram of the structure of the right wall of the single cavity in the embodiment.

[0037] Fig.17 It is a structural schematic diagram of the embodiment in which the unwinding box is placed on the winding box and the buckle block is buckled into the buckle groove.

[0038] Fig.18 It is a structural schematic diagram of the embodiment in which the unwinding box is placed on the winding box and the buckle block is out of the buckle groove.

[0039] Figure numerals: 1, winding box; 11, receiving order opening; 12, receiving order rod; 13, left receiving wheel; 14, right receiving wheel; 15, left wall of receiving order chamber; 16, right wall of receiving order chamber; 17, box sticker; 18, buckle slot; 2, unwinding box; 21, releasing order opening; 22, releasing order rod; 23, left releasing wheel; 24, right releasing wheel; 25, left wall of releasing order chamber; 26, right wall of releasing order chamber; 27, cover sticker; 28, buckle block; 3, liquid collecting tray; 30, tray placement slot; 31, Overflow prevention slope; 32. Drainage slope; 33. Nozzle; 34. Injection port; 35. Button; 36. Injection equipment catheter; 37. Sealing pad; 38. Bed side rod; 4. Partial sheets; 40. Total sheets; 41. Middle sheet; 42. Stacking sheets; 43. Pull belt; 5. Roller; 51. Fixing clip; 52. Bolt; 60. Positioning slot; 61. Positioning rod; 62. Control wheel; 63. Positioning block; 64. Rotating shaft; 65. Block; 66. Slot. DETAILED DESCRIPTION

[0040] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the specific implementation method, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0041] like Figures 1 to 18The bed sheet storage and replacement device for parturients shown in the figure comprises a reeling box 1, an unreeling box 2, a sheet reeling roller and a sheet reeling roller. The reeling box 1 and the unreeling box 2 are respectively connected and fixed to the bedside rods 38 on both sides of the bed body. A sheet reeling cavity is provided in the unreeling box 2, and a sheet reeling cavity is provided in the reeling box 1. A tray placement groove 30 is provided on the bottom surface of the sheet reeling cavity, and a liquid collecting tray 3 is placed in the tray placement groove 30. The sheet reeling roller is horizontally placed in the sheet reeling cavity, and a total bed sheet 40 is rolled on the outer circumference of the sheet reeling roller. The total bed sheet 40 is formed by ten sub-sheets 4 connected in sequence. The sub-sheets 4 are laid flat on the bed body. The sheet reeling roller is horizontally placed in the sheet reeling cavity, and a drawstring 43 is provided on the outer circumference of the sheet reeling roller. The outer end of the total bed sheet 40 is fixed to the outer end of the drawstring 43 by Velcro. The unwinding box 2 has a sheet release port 21 on the upper side of the box door, and the sheet release roller unwinds the total sheet 40 and releases it from the sheet release port 21 to the outside of the sheet release cavity. The rewinding box 1 has a sheet receiving port 11 on the upper side of the box door, and the sheet receiving roller rewinds the total sheet 40 and receives it into the sheet receiving cavity from the sheet receiving port 11. A nozzle 33 is provided on the inner wall of the sheet receiving cavity, and the nozzle 33 sprays disinfectant onto the total sheet 40 in the sheet receiving cavity. The rewinding box 1 has a liquid injection port 34 for connecting to a liquid injection device conduit 36, and the liquid injection port 34 is connected to the nozzle 33. Medical staff install the reel box 1 and the unreel box 2 on the bed side bars 38 on both sides of the bed body, then pull the outer end of the total bed sheet 40 out of the sheet release port 21, and fix it to the outer end of the drawstring 43 extending out of the sheet collection port 11 through Velcro, so that the sub-sheets 4 are laid flat on the bed body. When the mother's bed sheet is contaminated by milk and urine and needs to be replaced, the contaminated sub-sheet 4 is rolled into the sheet collection cavity by rotating the sheet collection roller, and the next sub-sheet 4 is laid flat on the bed body for the mother to use. The sheet storage and replacement device of the utility model can quickly replace sheets, save time and labor, and is suitable for traditional beds.

[0042] After the contaminated separate sheets 4 are rolled into the sheet collection chamber, disinfectant is sprayed through the nozzle 33 for disinfection, so as to prevent the separate sheets 4 stored in the sheet collection chamber from breeding pathogenic microorganisms and producing odor, thereby improving the air quality in the ward and promoting a healthy life. The medical staff opens the door of the unwinding box 2 and can replace the sheet-unwinding roller that has exhausted the separate sheets 4; the liquid collecting tray 3 is used to collect liquids such as urine, milk, and disinfectant dripped from the separate sheets 4. The medical staff opens the door of the rewinding box 1 and can replace the liquid collecting tray 3 that has collected sufficient liquid and the sheet collection roller that has rolled up sufficient separate sheets 4. The sheet storage and replacement device of the utility model can be used continuously.

[0043] refer to Figure 1The separate bed sheet 4 includes a middle piece 41 and two foldable laminated pieces 42, the two laminated pieces 42 are respectively connected to the middle piece 41 at the head and foot of the bed, after folding, the two side edges of the laminated pieces 42 are fixed to the two side edges of the middle piece 41 by Velcro, and after unfolding, the separate bed sheet 4 completely covers the bed body. After the medical staff installs the winding box 1 and the unwinding box 2 on the bed side rods 38 on both sides of the bed, the winding box 1 and the unwinding box 2 are hidden under the bed, which can reduce the occupied space and facilitate the mother to get on and off the bed; because the bed legs limit the width of the total bed sheet 40 extending from the sheet release port 21, the length of the flattened separate sheets 4 is smaller than the length of the bed, and the medical staff can expand the length of the separate sheets 4 by unfolding the overlapping sheets 42 at the head and foot sides of the middle piece 41, so that the separate sheets 4 are completely covered on the bed; when the separate sheets 4 need to be replaced, the medical staff can shorten the length of the separate sheets 4 by folding the overlapping sheets 42 at the head and foot sides of the middle piece 41, and fixing them with Velcro, so that the separate sheets 4 can smoothly enter the sheet collection port 11 to complete the winding.

[0044] refer to Figures 5 to 8 , Figures 13 to 16 The left and right receiving wheels 13 and 14 are provided at both ends of the receiving roller, and a slot 66 is provided at the end face of the left receiving wheel 13. A rotatable shaft 64 is provided on the left wall 15 of the receiving cavity. The shaft 64 is driven to rotate by a motor, and a block 65 is provided at the end of the shaft 64. The block 65 is placed in the slot 66 and fixedly connected. The left and right releasing wheels 23 and 24 are provided at both ends of the releasing roller, and positioning slots 60 are provided at the center of the end face of the right receiving wheel 14, the center of the end face of the left releasing wheel 23, and the center of the end face of the right releasing wheel 24. A positioning block 63 is provided on the right wall 26 of the releasing cavity, and the positioning block 63 is placed in the positioning slot 60 of the right releasing wheel 24 and is rotatably connected. The right wall 16 of the receiving and placing chamber and the left wall 25 of the placing chamber are respectively connected to the control wheel 62 for rotation. The inner center of the control wheel 62 is threadedly connected with a positioning rod 61. The positioning rod 61 of the right wall 16 of the receiving and placing chamber is placed in the positioning groove 60 of the right receiving wheel 14 and is connected for rotation. The positioning rod 61 of the left wall 25 of the placing chamber is placed in the positioning groove 60 of the left placing wheel 23 and is connected for rotation, so that the rotating shaft 64 drives the receiving and placing roller to rotate and rewind the total bed sheet 40. When it is necessary to replace the receiving and placing roller / the placing roller, the medical staff rotates the control wheel 62 forward to rotate the positioning rod 61 in, so that the positioning rod 61 moves out of the positioning groove 60 of the original receiving and placing roller, thereby replacing the original receiving and placing roller / the original placing roller; the medical staff rotates the control wheel 62 in the reverse direction to rotate the positioning rod 61 out, so that the positioning rod 61 moves into the positioning groove 60 of the new receiving and placing roller, thereby replacing the new receiving and placing roller / the new placing roller. The clamping block 65 positions the clamping slot 66 so that the rotating shaft 64 can drive the collecting roller to rotate.

[0045] refer to Figure 2The outer wall of the reel box 1 is provided with a button 35, which is electrically connected to the motor of the rotating shaft 64. When the medical staff presses the button 35 once, the motor drives the rotating shaft 64 to rotate to reel in a bed sheet 40, and at the same time, the spray head 33 sprays disinfectant for disinfection, and electricity replaces manpower, which reduces the work intensity of the medical staff.

[0046] refer to Figure 4 The inner wall of the receiving opening 11 is provided with an elastic sealing pad 37, which is made of silicone material, and the total bed sheet 40 is tightly fitted with the sealing pad 37 in the receiving opening 11. The sealing pad 37 enhances the sealing of the receiving opening 11 and prevents the odor in the receiving cavity from escaping from the receiving opening 11 and causing air pollution.

[0047] refer to Figure 2 , Fig.10 , Fig.17 and Fig.18 The outer wall of the winding box 1 is provided with a box sticker 17 above the receiving opening 11, and the outer end of the drawstring 43 passes through the receiving opening 11 and is fixed to the box sticker 17 by Velcro. The outer wall of the door of the unwinding box 2 is provided with a cover sticker 27 below the releasing opening 21, and the outer end of the total bed sheet 40 passes through the releasing opening 21 and is fixed to the cover sticker 27 by Velcro. The drawstring 43 of the winding box 1 is separated from the total bed sheet 40 of the unwinding box 2, which is convenient for medical personnel to install the winding box 1 and the unwinding box 2 on the bed side rods 38 on both sides of the bed body respectively; the cover sticker 27 fixes the outer end of the total bed sheet 40, and the box sticker 17 fixes the outer end of the drawstring 43, which is convenient for medical personnel to tear off the cover sticker 27 and the box sticker 17, and then fix the outer end of the total bed sheet 40 to the outer end of the drawstring 43 by Velcro, and then use it.

[0048] refer to Figure 2 and Figure 3 The bottom surface of the receiving cavity is provided with drainage slopes 32 on both sides of the tray placement groove 30, and the drainage slopes 32 are inclined toward the tray placement groove 30, that is, the height of the drainage slopes 32 gradually decreases from far away to close to the tray placement groove 30. The drainage slopes 32 play a transition role, so that the liquid dripping on the bed sheet 4 in the receiving cavity can flow into the liquid collection tray 3.

[0049] There are six nozzles 33, which are arranged on the drainage slope 32 and spaced apart along the length direction of the receiving roller. The six nozzles 33 spray disinfectant on each position of the bed sheet 4 in the receiving cavity for comprehensive disinfection.

[0050] Among them, an anti-overflow slope 31 is provided on one side of the bottom surface of the receiving chamber near the door of the winding box 1, and the anti-overflow slope 31 is arranged on the upper side of the tray placement groove 30, so that the liquid collecting tray 3 is pulled out and arranged in the tray placement groove 30. The anti-overflow slope 31 blocks the liquid from flowing toward the door of the winding box 1, and prevents the liquid from overflowing out of the receiving chamber through the gap of the door of the winding box 1.

[0051] refer to Figures 1 to 2 , Figures 9 to 10A fixing clamp 51 is provided on the top of the winding box 1 and the top of the unwinding box 2, and the bed side rods 38 on both sides of the bed body are clamped in the clamping openings of the fixing clamp 51 of the winding box 1 and the clamping openings of the fixing clamp 51 of the unwinding box 2. The outer wall of the fixing clamp 51 of the unwinding box 2 is threadedly connected with a bolt 52, and the bolt 52 is screwed into the bed side rod 38 to fix the unwinding box 2 and the bed side rod 38. Rollers 5 are provided at the four corners of the bottom surface of the winding box 1, and the rollers 5 are universal casters with brakes. The rollers 5 are provided with foot rods, which are telescopically arranged on the bottom surface of the winding box 1, and a spring is provided at the retracted end of the foot rod: when the foot rod is retracted, the spring is compressed; when the foot rod is extended, the spring is reset. The medical staff buckles the bed side rod 38 into the clamping opening of the fixing clamp 51 of the unwinding box 2, and then tightens the bolt 52 to strengthen the fixation between the unwinding box 2 and the bed side rod 38; the medical staff presses down the winding box 1, the foot rod retracts and the spring is compressed, so that the height of the top of the winding box 1 is lowered to be flush with the bottom of the bed side rod 38, and then pushes the winding box 1 under the bed body, so that the bed side rod 38 is buckled into the clamping opening of the fixing clamp 51 of the winding box 1, and then locks the roller 5 to prevent the roller 5 from rolling and causing the winding box 1 to move.

[0052] refer to Fig.17 and Fig.18 , movable buckle blocks 28 are provided at the lower sides of the two side walls of the unwinding box 2, buckle grooves 18 are provided at the upper sides of the two side walls of the winding box 1, and the unwinding box 2 is placed on the winding box 1, and the buckle blocks 28 are moved downwards and buckled with the buckle grooves 18 to fix the winding box 1 and the unwinding box 2. After buckling, the buckle grooves 18 play a positioning role for the buckle blocks 28, preventing the unwinding box 2 on the winding box 1 from accidentally moving during driving, so as to facilitate carrying together.

[0053] refer to Figures 2 to 4 , Figures 10 to 12 The cover of the winding box 1 is foldable, and the medical staff moves the cover of the winding box 1 downward to fold it, thereby opening the receiving cavity, and the medical staff moves the cover of the winding box 1 upward to unfold it, thereby covering the receiving cavity. After the cover of the winding box 1 is folded, the occupied space is reduced, and the medical staff's body is closer to the winding box 1, which is convenient for replacing the liquid collection tray 3 and the receiving roller 12; the cover of the unwinding box 2 is flippable, and the medical staff flips the cover of the unwinding box 2 downward to open the releasing cavity, and the medical staff flips the cover of the unwinding box 2 upward to cover the releasing cavity. After the unwinding box 2 is installed on the bed side rod 38, the lower part of the unwinding box 2 is suspended and there is enough space to place the opened cover of the unwinding box 2, so that the medical staff's body is closer to the unwinding box 2, which is convenient for replacing the releasing roller 22; after the cover of the winding box 1 and the cover of the unwinding box 2 are closed, they can be fixed by magnets.

[0054] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A bed sheet storage and replacement device for maternity women, characterized by: It comprises a winding box (1), an unwinding box (2), a single-rewinding roller and a single-rewinding roller, wherein the winding box (1) and the unwinding box (2) are respectively connected and fixed to the bed side rods (38) on both sides of the bed body. The unwinding box (2) is provided with a single-order unwinding cavity, the rewinding box (1) is provided with a single-order receiving cavity, the bottom surface of the single-order receiving cavity is provided with a disk placement groove (30), and a liquid collecting tray (3) is placed in the disk placement groove (30). The single-release roller is horizontally placed in the single-release cavity, and a main bed sheet (40) is rolled up on the outer circumference of the single-release roller. The main bed sheet (40) is formed by a plurality of sub-bed sheets (4) connected in sequence. The sub-bed sheets (4) are laid flat on the bed body. The single-collecting roller is horizontally placed in the single-collecting cavity. A drawstring (43) is provided on the outer circumference of the single-collecting roller. The outer end of the main bed sheet (40) is fixed to the outer end of the drawstring (43) by Velcro. A sheet release opening (21) is provided on the upper side of the door of the unwinding box (2), and a sheet release roller unwinds the total sheet (40) and releases it out of the sheet release cavity from the sheet release opening (21); a sheet receiving opening (11) is provided on the upper side of the door of the rewinding box (1), and a sheet receiving roller receives the total sheet (40) and receives it into the sheet receiving cavity from the sheet receiving opening (11). A nozzle (33) is provided on the inner wall of the sheet collecting cavity, and the nozzle (33) sprays disinfectant onto the total bed sheet (40) in the sheet collecting cavity. A liquid injection port (34) for connecting to a liquid injection device conduit (36) is provided outside the winding box (1), and the liquid injection port (34) is communicated with the nozzle (33).

2. The bed sheet storage and replacement device for maternity according to claim 1, characterized in that: The separate bed sheet (4) comprises a middle sheet (41) and two foldable laminated sheets (42), wherein the two laminated sheets (42) are respectively connected to the head side and the foot side of the middle sheet (41), and after being folded, the two side edges of the laminated sheets (42) are fixed to the two side edges of the middle sheet (41) by Velcro, and after being unfolded, the separate bed sheet (4) completely covers the bed body.

3. The bed sheet storage and replacement device for maternity according to claim 1, characterized in that: A left collecting wheel (13) and a right collecting wheel (14) are respectively provided at both ends of the collecting roller, a clamping groove (66) is provided on the end surface of the left collecting wheel (13), a rotatable shaft (64) is provided on the left wall (15) of the collecting cavity, the shaft (64) is driven to rotate by a motor, a clamping block (65) is provided at the end of the shaft (64), and the clamping block (65) is placed in the clamping groove (66) and fixedly connected. A left releasing wheel (23) and a right releasing wheel (24) are respectively provided at both ends of the releasing roller; positioning grooves (60) are respectively provided at the center of the end surface of the right collecting wheel (14), the center of the end surface of the left releasing wheel (23) and the center of the end surface of the right releasing wheel (24); a positioning block (63) is provided on the right wall (26) of the releasing cavity; the positioning block (63) is placed in the positioning groove (60) of the right releasing wheel (24) and is rotatably connected; The right wall (16) of the receiving chamber and the left wall (25) of the releasing chamber are respectively rotatably connected to a control wheel (62), and a positioning rod (61) is threadedly connected at the inner center of the control wheel (62). The positioning rod (61) of the right wall (16) of the receiving chamber is placed in a positioning groove (60) of the right receiving wheel (14) and is rotatably connected, and the positioning rod (61) of the left wall (25) of the releasing chamber is placed in a positioning groove (60) of the left releasing wheel (23) and is rotatably connected, so that the rotating shaft (64) drives the receiving roller to rotate and rewind the total bed sheet (40).

4. The bed sheet storage and replacement device for maternity according to claim 1, characterized in that: The inner wall of the bill receiving opening (11) is provided with an elastic sealing pad (37), and the sealing pad (37) is made of silica gel. The total bed sheet (40) fits tightly with the sealing pad (37) in the bill receiving opening (11).

5. The bed sheet storage and replacement device for maternity according to claim 1, characterized in that: The outer wall of the winding box (1) is provided with a box sticker (17) above the bill receiving opening (11), the outer end of the drawstring (43) passes through the bill receiving opening (11) and is fixed to the box sticker (17) by Velcro, and the outer wall of the door of the unwinding box (2) is provided with a cover sticker (27) below the bill releasing opening (21), the outer end of the total bed sheet (40) passes through the bill releasing opening (21) and is fixed to the cover sticker (27) by Velcro.

6. The bed sheet storage and replacement device for maternity according to claim 1, characterized in that: The bottom surface of the receiving cavity is provided with drainage slopes (32) on both sides of the disk placement groove (30), and the drainage slopes (32) are inclined toward the disk placement groove (30), that is, the height of the drainage slopes (32) gradually decreases from away from to close to the disk placement groove (30).

7. The bed sheet storage and replacement device for maternity according to claim 6, characterized in that: The number of the nozzles (33) is a plurality, and the plurality of nozzles (33) are arranged on the drainage slope (32) and are arranged at intervals along the length direction of the single-receiving roller.

8. The bed sheet storage and replacement device for maternity according to claim 1, characterized in that: An anti-overflow slope (31) is provided on one side of the bottom surface of the receiving chamber close to the door of the receiving box (1), and the anti-overflow slope (31) is arranged on the upper side of the tray placement groove (30), so that the liquid collection tray (3) can be pulled out and placed in the tray placement groove (30).

9. The bed sheet storage and replacement device for maternity according to claim 1, characterized in that: The winding box (1) and the unwinding box (2) are provided with fixing clamps (51) respectively, and the bed side rods (38) on both sides of the bed body are clamped in the clamping openings of the fixing clamps (51) of the winding box (1) and the fixing clamps (51) of the unwinding box (2), respectively. The outer wall of the fixing clamp (51) of the unwinding box (2) is threadedly connected with a bolt (52), and the bolt (52) is screwed into the bed side rod (38) to fix the unwinding box (2) and the bed side rod (38). Rollers (5) are respectively arranged at the four corners of the bottom surface of the winding box (1), and the rollers (5) are universal casters with brakes. The rollers (5) are provided with foot rods, and the foot rods are telescopically arranged on the bottom surface of the winding box (1). A spring is arranged at the retracted end of the foot rod: when the foot rod is retracted, the spring is compressed; when the foot rod is extended, the spring is reset.

10. The bed sheet storage and replacement device for maternity women according to claim 9, characterized in that: The lower sides of the two side walls of the unwinding box (2) are provided with movable buckle blocks (28), and the upper sides of the two side walls of the winding box (1) are provided with buckle grooves (18). The unwinding box (2) is placed on the winding box (1), and the buckle blocks (28) are moved downwards and buckled with the buckle grooves (18), so that the winding box (1) and the unwinding box (2) are fixed.

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