A transfer nursing chair and a nursing bed

Abstract

The present application relates to the field of medical devices, and specifically discloses a transfer nursing chair, including a base frame, a seat plate detachably connected to the base frame through an installation component, and the installation component includes a support rod, a connecting block, a linkage block, a limit block, a fixed block, and a positioning block; the support rod is arranged on the base frame, and a support groove is arranged on the seat plate, and the support rod is inserted into the support groove; a sliding groove is arranged on the groove wall of the supporting groove, and the connecting block is slidingly arranged on the groove wall of the sliding groove, and an elastic member is connected between the connecting block and the groove wall of the sliding groove; the linkage block is arranged at one end of the connecting block, and a guiding inclined surface is arranged on the linkage block; a limited card slot is arranged on the support rod, and the limit block is slidingly arranged on the groove wall of the limited card slot; one end of the linkage block extends into the limited card slot, and the limit block and the groove wall of the limited card slot are both in contact with the linkage block. The present application can improve the convenience of the patient transfer process and reduce secondary damage to the patient.

Description

Technical Field

[0001] The present application relates to the field of medical devices, and in particular to a transfer nursing chair and a nursing bed. Background Art

[0002] For hemiplegic patients, due to the inconvenience of leg movement or the need for care, they usually rest on a nursing bed. However, most patients also need to go out for a walk or treatment during their rest period, so it is necessary to transfer the patient from the bed to a nursing chair and push the nursing chair to transfer the patient. Commonly used nursing chairs include a base plate, running wheels rotatably connected to the bottom wall of the base plate, a seat plate fixedly mounted on the base frame, and a backrest mounted on the seat plate. In order to facilitate the support of the patient's legs and feet, a foot pedal is installed in front of the seat plate on the base plate.

[0003] However, for conventional nursing beds and nursing chairs, the patient can generally be transferred from the nursing bed to the nursing chair by moving and lifting the patient, which is not only inconvenient to operate, but also easy to cause secondary injuries to the patient. Summary of the invention

[0004] In order to improve the convenience of the patient transfer process and reduce secondary injuries to the patient, the present application provides a transfer nursing chair and a nursing bed.

[0005] In the first aspect, the present application provides a transfer nursing chair, which adopts the following technical solution:

[0006] A transfer nursing chair, comprising a base frame, a running wheel rotatably connected to the bottom end of the base frame, and a backrest assembly movably connected to the base frame, wherein a seat plate is detachably connected to the base frame through an installation assembly, and the installation assembly comprises a support rod, a connecting block, a linkage block, a limit block, a fixed block, and a positioning block; the support rod is arranged on the base frame, and a support groove is arranged on the seat plate, and the support rod is inserted into the support groove along the length direction of the support rod and fits with the support groove wall;

[0007] The cam is provided with a sliding groove on the groove wall perpendicular to the length direction of the support rod, the connecting block is slidably arranged on the sliding groove wall, and an elastic member is connected between the connecting block and the sliding groove wall; the linkage block is arranged on one end of the connecting block toward the support rod, and the end of the linkage block away from the connecting block is provided with a guiding inclined surface for sliding with the end of the support rod extending into the support groove, and the guiding inclined surface is inclined toward one end of the support groove notch and close to the connecting block; a limiting slot is provided on the side wall opposite to the support rod and the sliding groove, the limiting block is slidably arranged on the groove wall of the limiting slot, and a driving component for driving the limiting block to slide is provided on the support rod; the linkage block extends into the limiting slot away from one end of the connecting block, and the limiting block and the groove wall of the limiting slot both abut against the linkage block;

[0008] A giveway groove is provided on the side of the bottom wall of the sliding groove away from the support groove, the giveway groove passes through the bottom wall of the seat plate, and the giveway groove passes through the two side end walls of the seat plate along the length direction of the support rod; a connecting block is provided at one end of the connecting block away from the linkage plate, and the fixing block is arranged at one end of the connecting block away from the connecting block and arranged toward the support rod, and a fixing groove is provided on the groove wall opposite to the giveway groove and the fixing groove, the fixing groove passes through the bottom end of the seat plate, and the fixing groove passes through the two side end walls of the seat plate along the length direction of the support rod; the positioning block is provided on a nursing bed used to cooperate with the nursing chair, the positioning block is inserted into the fixing groove and fits with the fixing groove wall, and the side walls opposite to the positioning block and the fixing block are provided with fixing card grooves for plugging with the fixing block.

[0009] By adopting the above technical scheme, the seat board is placed on the nursing bed, the positioning block is inserted into the fixed slot, and at the same time, under the elastic action of the elastic member, the fixed card block is inserted into the fixed card slot, so that the seat board can be stably fixed on the nursing bed, so that the seat board is always located under the patient during the patient's daily recuperation process. When the patient needs to be transferred, just make the patient sit on the seat board. Push the nursing chair, and insert the support rod into the support slot. Under the action of the guide slope, the support rod pushes the linkage block to move, and under the action of the connecting block, the fixed card block is away from the fixed card slot; at this time, the linkage block is against the limit block. Then, the limit block is slid by the driving component, so that the limit block enters a part of the support rod. At this time, under the elastic action of the elastic member, the linkage block is inserted into a part of the limit card slot, and at this time, the fixed card block is still away from the fixed card slot. Therefore, under the abutment action of the straight side wall of the linkage block and the wall of the limit card slot, a limit is formed between the support rod and the seat board along the length direction of the support rod. At this time, the support rod is pulled to take the seat board away from the nursing bed, and the positioning block slides out of the fixed slot. The patient on the seat board can be conveniently transferred to the nursing chair, and the movement of the patient is reduced, thereby reducing secondary injuries to the patient.

[0010] Optionally, the driving assembly includes a push-pull plate, a linkage tooth plate, a driving plate, a driving tooth plate and a reversing gear, a driving cavity communicated with the limit slot is arranged in the support rod, the limit block extends into the driving cavity at one end away from the linkage block, a linkage plate is slidably arranged on the cavity wall of the driving cavity, the limit blocks are connected to the linkage plate, the support rod is located on a side of the driving cavity away from the limit slot and a driving groove is arranged in the drive cavity, the push-pull plate is arranged on the side wall of the linkage plate away from the limit block, the push-pull plate extends into the driving groove and The linkage tooth plate is fixedly connected to the push-pull plate at one end which extends into the driving groove; the reversing gear is rotatably connected to the driving groove wall, the linkage tooth plate is meshed with the reversing gear, the driving plate is slidably arranged on the supporting rod along the length direction of the supporting rod, one end of the driving plate extends into the driving groove, the driving tooth plate is arranged at one end of the driving tooth plate which extends into the driving groove, and the driving tooth plate is meshed with the reversing gear; a sliding assembly for driving the driving plate to slide is arranged on the base frame.

[0011] By adopting the above technical solution, the sliding assembly drives the driving plate to slide, the driving plate and the reversing gear engage, the reversing gear rotates, the reversing gear and the linkage gear plate engage, and the push-pull plate can drive the limit block to slide through the linkage plate, which is convenient and quick.

[0012] Optionally, the base frame includes a bottom frame, a base tube arranged on the bottom frame, and a lifting rod arranged on the inner wall of the base tube and sliding in a vertical direction, and a lifting assembly for driving the lifting rod to slide is arranged on the bottom frame; the backrest assembly and the support rod are both arranged on the lifting rod, and a foot pedal is also arranged on the bottom frame.

[0013] Optionally, the lifting assembly includes a lifting screw sleeve and a lifting screw rod, the lifting screw sleeve is fixedly connected to the base frame, the lifting screw rod and the inner circumferential wall of the lifting screw sleeve are threadedly connected, the lifting rod is provided with a mounting plate, and the top end of the lifting screw rod is rotatably connected to the mounting plate; the sliding assembly includes a connecting rod, a sliding plate and a sliding screw rod, the connecting rod is provided on the end wall of the driving plate extending out of the support rod, the sliding plate is slidably provided on the mounting plate, a connecting plate is provided between the sliding plate and the connecting rod, the sliding screw rod is rotatably connected to the mounting plate and is threadedly connected to the sliding plate; a linkage assembly is provided between the sliding screw rod and the lifting screw.

[0014] By adopting the above technical solution, the lifting screw and the lifting screw sleeve can drive the lifting rod to move up and down, so as to adjust the height of the seat plate and improve the comfort of the patient. At the same time, the sliding screw can be threaded with the sliding plate while rotating, and the sliding plate can drive the driving plate to slide through the connecting rod and the connecting plate. At the same time, a linkage component is provided to facilitate the rotation of the sliding screw and the lifting screw.

[0015] Optionally, the linkage assembly includes a first rotating wheel, a second rotating wheel, a linkage belt, a first linkage sleeve and a second linkage sleeve, a linkage box is arranged on the mounting plate, the lifting screw and the sliding screw both extend into the linkage box and are rotatably connected with the linkage box, a first bevel gear is arranged on the lifting screw, a reversing shaft is rotatably connected in the linkage box, a second bevel gear is arranged on the reversing shaft, the first bevel gear and the second bevel gear are meshed, the reversing shaft and the sliding screw are axially parallel; the first rotating wheel is rotatably connected in the linkage box and has a common central axis with the reversing shaft, and the second rotating wheel is rotatably connected The linkage box is inside and shares a central axis with the sliding screw, the linkage belt is arranged between the first rotating wheel and the second rotating wheel, a driving motor is arranged on the linkage box, a driving end of the driving motor is fixedly connected to the side wall of the first rotating wheel away from the reversing shaft, the first linkage sleeve is axially slidably arranged on the side wall of the first rotating wheel toward the reversing shaft along the first rotating wheel, and the second linkage sleeve is axially slidably arranged on the side wall of the second rotating wheel toward the sliding screw along the second rotating wheel; connecting parts are arranged between the first linkage sleeve and the reversing shaft and between the second linkage sleeve and the sliding screw.

[0016] Optionally, the connecting member includes a linkage block and a toggle rod, the end walls of the reversing shaft and the sliding screw are fixedly connected with a linkage shaft, the linkage slot is provided on the linkage shaft, a linkage block is fixedly connected on the inner circumferential wall of the first linkage sleeve and the second linkage sleeve, the linkage block is inserted into the linkage slot and fits with the slot wall of the linkage slot, the outer circumferential walls of the first linkage sleeve and the second linkage sleeve are rotatably connected with a driving sleeve, the toggle rod is fixedly connected to the outer side wall of the driving sleeve, the linkage box is provided with a yield slide groove, the toggle rod extends out of the linkage box through the yield slide groove, and the toggle rod is slidingly connected to the slot wall of the yield slide groove.

[0017] By adopting the above technical solution, the driving motor rotates, and driven by the linkage belt, both the first rotating wheel and the second rotating wheel can rotate. Move the toggle rod on the first linkage sleeve to make the first linkage sleeve slide, and plug the linkage block on the first linkage sleeve into the corresponding linkage slot, so that the linkage shaft on the reversing shaft and the first linkage sleeve can be limited together in the circumferential direction. At this time, the first rotating wheel can drive the reversing shaft to rotate, and the lifting screw rotates under the meshing action of the first bevel gear and the second bevel gear. Move the toggle rod on the second linkage sleeve to make the second linkage sleeve slide, and plug the linkage block on the second linkage sleeve into the corresponding linkage slot, so that the sliding screw and the second linkage sleeve can be limited together in the circumferential direction. At this time, the second rotating wheel can drive the sliding screw to rotate. Therefore, the present application can drive the sliding screw or the lifting screw to rotate while using one driving motor.

[0018] Optionally, the backrest assembly includes side panels, which are arranged on the base frame, and there are two side panels that are arranged opposite to each other. At least two fixing straps are provided on each of the two side panels, and the fixing straps on the same side panel are arranged in an arranged manner in a vertical direction, and the opposite ends of the two fixing straps on different side panels are detachably connected by buckles; connecting sleeves are provided on the fixing straps, and the connecting sleeves are arranged opposite to each other in the vertical direction, and a positioning plate is inserted between the connecting sleeves opposite to each other in the vertical direction, and a back plate is provided on the positioning plate, and the side wall of the connecting sleeve abuts between the back plate and the positioning plate.

[0019] By adopting the above technical solution and setting the fixing straps, the side panels can be smoothly moved to both sides of the patient; after connecting the fixing straps, the positioning plate is inserted into the connecting sleeve, so that the back panel and the fixing straps can support the patient's back together, thereby improving the patient's comfort.

[0020] In the first aspect, the present application provides a nursing bed, which adopts the following technical solution:

[0021] A nursing bed comprises a bed body, a reversing bed board is rotatably connected to the bed body, a rotating assembly for driving the reversing bed board to rotate is arranged on the bed body, a base groove for plugging and cooperating with the seat board is arranged on the reversing bed board, and the fixing block is arranged on the groove wall of the base groove.

[0022] In summary, the present application includes at least one of the following beneficial technical effects:

[0023] 1. This application installs the seat board of the nursing chair on the nursing bed; when transferring the patient, let the patient sit on the seat board. Then connect the seat board to the nursing chair, and the patient can be directly transferred to the nursing chair, which reduces the moving and lifting of the patient and is more convenient and quick;

[0024] 2. The present application utilizes the interaction between the connecting block, the linkage block and the fixed block, the positioning block and the elastic part to stably install the seat board on the nursing bed; then, under the interaction between the support rod, the connecting block, the linkage block, the limit block and the fixed block, the positioning block and the elastic part, the support rod and the seat board can be connected together by simply inserting the support rod into the support groove and then moving the limit block, and at the same time, the limiting effect between the seat board and the nursing bed can be released, so that the seat board can be conveniently transferred from the nursing bed to the nursing chair. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a structural schematic diagram of a nursing bed in an embodiment of the present application.

[0026] Figure 2 It is a schematic diagram used to illustrate the structure of the lifting component in the nursing bed in the embodiment of the present application.

[0027] Figure 3 It is a schematic diagram used to illustrate the structure of the flip assembly in the nursing bed of the embodiment of the present application.

[0028] Figure 4 It is a schematic diagram used to illustrate the structure of the rotating component in the nursing bed of the embodiment of the present application.

[0029] Figure 5 It is a structural schematic diagram of a nursing bed and a nursing chair in an embodiment of the present application.

[0030] Figure 6 It is a schematic diagram for illustrating the structure of a nursing chair in an embodiment of the present application.

[0031] Figure 7 It is an exploded view of the structure of the backrest assembly in the nursing chair in the embodiment of the present application.

[0032] Figure 8 yes Figure 6 Sectional view along line AA.

[0033] Fig. 9 yes Figure 8 Enlarged view of point B in the middle.

[0034] Fig.10 It is a schematic diagram used to illustrate the structure of the sliding component in the nursing chair of the embodiment of the present application.

[0035] Fig.11 yes Figure 6 Cross-sectional view along line CC.

[0036] Fig.12 yes Fig.11 Enlarged view of point D in the middle.

[0037] Fig.13 It is an exploded view used to illustrate the structure of the connector in the nursing chair of the embodiment of the present application.

[0038] Fig.14 yes Fig.13 Enlarged view of point E in the middle.

[0039] Fig.15 It is a schematic diagram used to illustrate the linkage component structure in the nursing chair of the embodiment of the present application.

[0040] Explanation of the reference numerals: 1. bed body; 11. roller; 12. supporting bed board; 13. reversing bed board; 14. leg bed board; 15. mounting frame; 16. rotating disk; 17. stabilizing strap; 18. base groove; 19. lifting seat; 2. rotating assembly; 21. rotating shaft; 22. supporting wheel; 23. driving gear; 24. passive gear; 25. supporting disk; 26. rotating seat; 27. servo motor; 3. flipping assembly; 31. first hydraulic rod; 32. first connecting block; 33. second connecting block; 4. lifting assembly; 41. lifting frame; 42. first lifting rod; 421. first stabilizing rod ; 43, second lifting rod; 431, second stabilizing rod; 44, rotating sleeve; 45, first supporting shaft; 46, second supporting shaft; 47, rotating base shaft; 48, second hydraulic rod; 5, seat plate; 51, base frame; 52, bottom frame; 521, running wheel; 522, foot pedal 522; 53, base cylinder; 54, lifting rod; 55, push handle; 56, backrest assembly; 57, side plate; 58, fixing strap; 59, connecting sleeve; 591, back plate; 592, positioning plate; 6, lifting assembly; 61, lifting screw sleeve; 62, lifting screw; 63, base block; 64, linkage assembly; 641 , first rotating wheel; 642, second rotating wheel; 643, linkage belt; 644, first linkage sleeve; 645, second linkage sleeve; 646, linkage box; 647, first bevel gear; 648, reversing shaft; 649, second bevel gear; 7, mounting assembly; 71, support rod; 711, support groove; 72, connecting block; 721, sliding groove; 722, connecting block; 73, linkage block; 731, guide inclined surface; 74, limit block; 741, limit slot; 75, fixed block; 751, give way slot; 752, fixed slot; 76, positioning block; 761, fixed slot; 77, elastic member; 77 1. Guide groove; 772. Guide slider; 8. Drive assembly; 81. Push-pull plate; 82. Linkage tooth plate; 83. Drive plate; 84. Drive tooth plate; 85. Reversing gear; 86. Drive cavity; 87. Linkage plate; 88. Drive groove; 9. Sliding assembly; 91. Connecting rod; 911. Sliding rod; 92. Sliding plate; 93. Sliding screw; 94. Mounting plate; 95. Connecting plate; 96. Drive motor; 97. Connecting piece; 971. Linkage block; 972. Toggle rod; 973. Matching shaft; 974. Linkage slot; 975. Give way slot; 976. Linkage shaft; 977. Drive sleeve. DETAILED DESCRIPTION

[0041] The present application is further described in detail below in conjunction with the accompanying drawings.

[0042] The embodiment of the present application discloses a nursing bed.

[0043] like Figure 1 As shown, a nursing bed comprises a bed body 1, and four rollers 11 are rotatably connected to the bottom end of the bed body 1. A support bed board 12, a reversing bed board 13 and a leg bed board 14 are installed on the top wall of the bed body 1. A mounting frame 15 is fixedly connected between the side walls of the bed body 1, and a rotating disk 16 is rotatably connected to the mounting frame 15. The rotating disk 16 is axially vertical. The reversing bed board 13 is fixedly mounted on the rotating disk 16 and is located in the middle position of the bed body 1. The bottom wall of the reversing bed board 13 fits the top wall of the bed body 1. A rotating assembly 2 for driving the rotating disk 16 to rotate is provided on the bed body 1. One end of the support bed board 12 is rotatably connected to the end wall of the reversing bed board 13, and the rotation axis of the support bed board 12 is horizontal. A flip assembly 3 for driving the support bed board 12 to rotate is provided on the support bed board 12. In this embodiment, a stabilizing strap 17 is also installed on the support bed board 12 along the rotation axis of the support bed board 12. The leg board 14 is slidably arranged on the top wall of the bed body 1 in the vertical direction. The leg board 14 is located on the side of the reversing rod board away from the supporting board 12. A lifting assembly 4 for driving the leg board 14 to rise and fall is installed on the bed body 1.

[0044] When the support bed board 12, the reversing bed board 13 and the leg bed board 14 are placed horizontally and the top wall is flush, the patient can lie normally on the nursing bed. When the patient needs to stand up, the stabilizing strap 17 is tied to the upper body of the patient, the patient's buttocks are located on the reversing bed board 13, the turning assembly 3 is started, the support bed board 12 is turned over, and the support bed board 12 lifts the patient's upper body.

[0045] In this embodiment, a base groove 18 is provided on the top wall of the reversing bed board 13, and the base groove 18 runs through the side wall of the reversing bed board 13 away from the supporting bed board 12, and the base groove 18 is used to place the seat board 5 of the nursing chair. During the daily use of the nursing bed, the seat board 5 of the nursing chair will be placed on the wall of the base groove 18, and the seat board 5 and the wall of the base groove 18 will fit together. When the patient needs to be transferred, the supporting bed board 12 lifts the patient's upper body, and the patient's buttocks sit on the seat board 5. Start the lifting component 4 to make the leg bed board 14 drop a certain distance; then start the rotating component 2, so that the reversing turn plate drives the supporting bed board 12 to rotate 90° together, so that the patient faces the outside of the bed body 1; finally, move the seat board 5 to the nursing chair, and the patient can be transferred to nursing.

[0046] like Figure 1As shown, the turning assembly 3 includes a first hydraulic rod 31, a first connecting block 32 and a second connecting block 33. The first connecting block 32 is fixedly mounted on the bottom wall of the supporting bed board 12, and the second connecting block 33 is fixedly connected to the rotating plate 16. One end of the first hydraulic rod 31 is hinged to the first connecting block 32, and the other end of the second hydraulic rod 48 is hinged to the second connecting block 33. Therefore, starting the first hydraulic rod 31 can make the supporting bed board 12 rotate on the reversing rotating plate.

[0047] like Figure 2 As shown, the lifting assembly 4 in this embodiment includes a lifting frame 41, a first lifting rod 42, a second lifting rod 43, a rotating sleeve 44, a first supporting coupling shaft 45, a second supporting coupling shaft 46 and a rotating base shaft 47. The lifting frame 41 is fixedly connected to the bed body 1 and is located below the leg bed board 14. The bottom wall of the leg bed board 14 is fixedly connected to a lifting seat 19, and the lifting seat 19 is located above the lifting frame 41. There are two first supporting coupling shafts 45 and two second supporting coupling shafts 46, and they extend along the width direction of the bed body 1. One first supporting coupling shaft 45 is slidably set on the side wall of the lifting frame 41 along the length direction of the bed body 1, and the other first supporting coupling shaft 45 is slidably set between the side walls of the lifting seat 19 along the length direction of the bed body 1, and the two first supporting coupling shafts 45 are opposite to each other in the vertical direction. A second support shaft 46 is fixedly connected to the side wall of the lifting frame 41, and another second support shaft 46 is fixedly connected between the side walls of the lifting seat 19, and the two second support shafts 46 are opposite to each other in the vertical direction. Moreover, each first support shaft 45 is horizontally opposite to a second support shaft 46. A rotating sleeve 44 is sleeved on each of the first support shaft 45 and the second support shaft 46 and is rotatably connected to the rotating sleeve 44.

[0048] There are two first lifting rods 42, one end of which is fixedly connected to the rotating sleeve 44 on the first supporting shaft 45 located above, and the other end of the first lifting rod 42 is fixedly connected to the rotating sleeve 44 on the second supporting shaft 46 located below, the two first lifting rods 42 are opposite to each other along the width direction of the bed body 1, and a first stabilizing rod 421 is fixedly connected between the two first lifting rods 42. There are two second lifting rods 43, one end of which is fixedly connected to the rotating sleeve 44 on the second supporting shaft 46 located above, and the other end of the second lifting rod 43 is fixedly connected to the rotating sleeve 44 on the first supporting shaft 45 located below, the two second lifting rods 43 are opposite to each other along the width direction of the bed body 1, and a second stabilizing rod 431 is fixedly connected between the two second lifting rods 43. The first lifting rod 42 and the second lifting rod 43 located on the same side of the bed body 1 in the width direction are cross-arranged, and the rotation base shaft 47 is rotationally connected between the side walls of the intersection of the two sets of the first lifting rod 42 and the second lifting rod 43, and the first lifting rod 42 and the second lifting rod 43 are both rotationally connected to the rotation base shaft 47. At the same time, a second hydraulic rod 48 is fixedly connected between the two rotating sleeves 44 located below.

[0049] The second hydraulic rod 48 is started, the second hydraulic rod 48 is contracted, the rotating sleeve 44 is rotated, and the first supporting shaft 45 slides, so that the first lifting rod 42 and the second lifting rod 43 rotate crosswise on the rotating base shaft 47, the top ends of the first lifting rod 42 and the second lifting rod 43 are close to each other, and the lifting seat 19 drives the leg bed board 14 to move up. The second hydraulic rod 48 is started, the second hydraulic rod 48 is extended, the top ends of the first lifting rod 42 and the second lifting rod 43 are away from each other, and the lifting seat 19 drives the leg bed board 14 to move down.

[0050] like Figure 3 and Figure 4 As shown, the rotating assembly 2 includes a rotating shaft 21, a supporting wheel 22, a driving gear 23 and a driven gear 24. A supporting plate 25 is fixedly connected to the mounting frame 15. The rotating shaft 21 is fixedly connected to the bottom wall of the rotating plate 16. The bottom end of the rotating shaft 21 is rotatably connected to the top wall of the supporting plate 25. The top wall of the supporting plate 25 is located on the circumferential side of the rotating shaft 21 and is fixedly connected to a plurality of rotating seats 26. The supporting wheel 22 is rotatably connected to the rotating seats 26. The supporting wheels 22 are arranged along the circumferential direction of the rotating shaft 21. A servo motor 27 is fixedly connected to the rotating plate 16. The driving end of the servo motor 27 is fixedly connected to the driving gear 23. The driven gear 24 is fixedly connected to the rotating shaft 21 and is located below the rotating plate 16. The driven gear 24 is meshed with the driving gear 23, and the bottom wall of the driven gear 24 is in contact with the top wall of the supporting wheel 22. The servo motor 27 is started, the driving gear 23 and the driven gear 24 are meshed, the driven gear 24 drives the rotating shaft 21 to rotate, and the supporting wheel 22 rotates with the driven gear 24 on its back. Thus, the rotating shaft 21 drives the rotating disk 16 to rotate, and the rotating disk 16 drives the reversing bed plate 13 to rotate.

[0051] The embodiment of the present application also provides a transfer nursing chair for use with the above-mentioned nursing bed.

[0052] like Figure 5 and Figure 6 As shown, a transfer nursing chair comprises a base frame 51, the base frame 51 comprises a bottom frame 52, two base cylinders 53 fixedly connected to the upper surface of the bottom frame 52, a lifting rod 54 is slidably arranged on the base cylinder 53 through a lifting assembly 6, a running wheel 521 is rotatably connected to the bottom wall of the bottom frame 52, a foot pedal 522 is fixedly connected to one side end wall of the bottom frame 52, a horizontal side of the lifting rod 54 away from the foot pedal 522 is movably connected to a backrest assembly 56, and a push handle 55 is also connected to the top of the lifting rod 54. A seat plate 5 is detachably connected to the lifting rod 54 below the backrest assembly 56, and a mounting assembly 7 is connected between the seat plate 5 and the lifting rod 54.

[0053] like Figure 6 and Figure 7As shown, the backrest assembly 56 includes side panels 57, and there are two side panels 57. One side panel 57 is fixedly connected to each lifting rod 54, and the two side panels 57 are arranged opposite to each other. Two fixing straps 58 are fixedly connected to each side panel 57, and the two fixing straps 58 on each side panel 57 are arranged in the vertical direction. The opposite ends of the two fixing straps 58 on different side panels 57 are detachably connected by buckles; in this embodiment, a connecting sleeve 59 is fixedly connected to each fixing strap 58, and the connecting sleeves 59 are arranged opposite to each other in the vertical direction; the backrest assembly 56 in this embodiment also includes a back panel 591, and a positioning plate 592 is fixedly connected to a side wall of one side of the back panel 591, and the positioning plate 592 is parallel to the back panel 591 and there is a gap between the opposite side walls, and the positioning plate 592 is inserted into the connecting sleeves 59 opposite to each other in the vertical direction, and the back panel 591 is located on the outer side wall of the connecting sleeve 59 away from the fixing straps 58, and the side wall of the connecting sleeve 59 abuts between the back panel 591 and the positioning plate 592.

[0054] like Figure 6 , Figure 8 and Fig. 9 As shown, the installation assembly 7 in this embodiment includes a support rod 71, a connecting block 72, a linkage block 73, a limit block 74, a fixed block 75 and a positioning block 76; a support rod 71 is fixedly connected to each lifting rod 54, and the support rod 71 is located below the side plate 57. The two support rods 71 ​​are arranged parallel to each other, and the relative direction of the two support rods 71 ​​is the same as the relative direction of the two side plates 57. The seat plate 5 is inserted into the base groove 18 on the reversing bed plate 13, and the seat plate 5 fits with the groove wall of the base groove 18. Two support grooves 711 are provided on the vertical side wall of the seat plate 5 facing the horizontal through end of the base groove 18. The support rod 71 is inserted into the support groove 711 along the length direction of the support rod 71 and fits with the groove wall of the support groove 711.

[0055] like Fig. 9 , Fig.10 and Fig.11As shown, a sliding groove 721 is provided on the groove wall of the support groove 711 perpendicular to the length direction of the support rod 71, the connecting block 72 and the sliding groove 721 are arranged one by one, a guide groove 771 is provided on the top wall of the sliding groove 721, a guide slider 772 is fixedly connected to the top wall of the connecting block 72, and the guide slider 772 is slidably arranged on the groove wall of the guide groove 771 along the length direction perpendicular to the support rod 71. An elastic member 77 is fixedly connected between the guide slider 772 and the groove wall of the guide groove 771, and the elastic member 77 in this embodiment is a spring. The linkage block 73 is fixedly connected to one end of the connecting block 72 facing the support rod 71, and a guiding inclined surface 731 is provided on one end of the linkage block 73 away from the connecting block 72, and the guiding inclined surface 731 is inclined toward one end of the notch of the support groove 711 along the connection block 72, and the guiding inclined surface 731 is used to fit and slide with one end of the support rod 71 extending into the support groove 711. A limiting card slot 741 is provided on the side wall opposite to the support rod 71 and the sliding groove 721, and the limiting card slot 741 and the sliding groove 721 are arranged one by one, and the limiting block 74 is slidably arranged on the groove wall of the limiting card slot 741 along the length direction perpendicular to the support rod 71, and a driving assembly 8 for driving the limiting block 74 to slide is installed on the support rod 71. The end of the linkage block 73 away from the connecting block 72 extends into the limiting card slot 741, and the end of the linkage block 73 away from the connecting block 72 abuts against the limiting block 74, and the straight side wall of the linkage block 73 away from the notch of the support groove 711 is in contact with the groove wall of the limiting card slot 741.

[0056] In this embodiment, a clearance groove 751 is provided on the side of the bottom wall of the sliding groove 721 away from the support groove 711, and the clearance groove 751 penetrates the bottom wall of the seat plate 5. The clearance groove 751 and the sliding groove 721 are both connected, and the clearance groove 751 penetrates the two side end walls of the seat plate 5 along the length direction of the support rod 71. A connecting block 722 is fixedly connected to one end of the connecting block 72 away from the linkage plate 87, and a fixing block 75 is fixedly connected to the bottom end of the connecting block 722 and arranged toward the support rod 71. A fixing groove 761 is provided on the groove wall opposite to the clearance groove 751 and the fixing block 75, and the fixing groove 761 penetrates the bottom end of the seat plate 5, and the fixing groove 761 penetrates the two side end walls of the seat plate 5 along the length direction of the support rod 71. There are two positioning blocks 76, which are fixedly connected to the bottom wall of the base groove 18 of the reversing bed plate 13. The positioning blocks 76 are inserted into the fixing groove 761 and fit with the groove wall of the fixing groove 761. The side walls opposite to the positioning blocks 76 and the fixing blocks 75 are provided with fixing slots 752.

[0057] When the seat plate 5 is placed in the base groove 18, the positioning block 76 is inserted into the fixing groove 761. Under the elastic force of the elastic member 77, the fixing block 75 is inserted into the fixing slot 752, and the linkage block 73 extends into the support groove 711 with the guide slope 731 facing the notch of the support groove 711. After the support bed plate 12 props up the upper body of the patient, the leg bed plate 14 is moved down, and then the reversing bed plate 13 is rotated so that the patient faces the outside of the bed body 1 and the patient's feet are placed on the foot pedal 522. Then, the fixing strap 58 is opened, and the nursing chair is pushed toward the patient so that the support rod 71 is inserted into the support groove 711 and the side plate 57 is moved to both sides of the patient. During this process, the limit block 74 is flush with the side wall of the support rod 71, the support rod 71 and the guide slope 731 abut and slide, causing the linkage block 73 and the connecting block 72 to slide in the direction away from the support groove 711, and the fixed block 75 moves away from the fixed card slot 752 and enters the clearance groove 751, and the linkage block 73 and the limit block 74 abut against each other. Operate the drive assembly 8, the limit block 74 slides a distance away from the linkage block 73 in the limit card slot 741, and under the elastic force of the elastic member 77, the linkage block 73 is inserted into the limit card slot 741, and at the same time, the fixed block 75 is still away from the fixed card slot 752. Then, the patient is lifted up, the fixing strap 58 is tied behind the patient, and then the nursing chair is pulled so that the seat plate 5 is pulled out from the reversing bed plate 13, and finally the positioning plate 592 is inserted into the connecting sleeve 59 so that the back plate 591 abuts against the patient's back, and the patient can be transferred to the nursing chair. Then, the lifting rod assembly 6 is started, so that the lifting rod 54 drives the seat plate 5 to move to a suitable height to improve the patient's comfort.

[0058] like Fig.10 , Fig.11 and Fig.12 As shown, the driving assembly 8 in this embodiment includes a push-pull plate 81, a linkage tooth plate 82, a driving plate 83, a driving tooth plate 84 and a reversing gear 85. A driving cavity 86 communicating with the limit slot 741 is provided in the support rod 71. The end of the limit block 74 away from the linkage block 73 extends into the driving cavity 86. A linkage plate 87 is provided on the wall of the driving cavity 86 and slides perpendicular to the sliding direction of the limit block 74. The limit block 74 and the linkage plate 87 are fixedly connected. A driving groove 88 is provided in the support rod 71 on one side of the driving cavity 86 away from the limit slot 741. The push-pull plate 81 is fixedly connected to the side wall of the linkage plate 87 away from the limit block 74. The push-pull plate 81 extends into the driving groove 88 and is slidably connected to the support rod 71. The linkage tooth plate 82 is fixedly connected to one end of the push-pull plate 81 extending into the driving groove 88; the reversing gear 85 is rotatably connected to the groove wall of the driving groove 88 and is axially vertical, and the linkage tooth plate 82 is meshed with the reversing gear 85. The driving groove 88 passes through the side wall of one end where the support rod 71 and the lifting rod 54 are connected.

[0059] like Fig.10 , Fig.12 and Fig.13As shown, the driving plate 83 is slidably arranged on the wall of the driving groove 88 along the length direction of the support rod 71, one end of the driving plate 83 extends out of the driving groove 88, and the driving tooth plate 84 is fixedly connected to the end of the driving plate 83 away from the lifting rod 54. The driving tooth plate 84 is meshed with the reversing gear 85 and is located below the linkage tooth plate 82. A sliding assembly 9 for driving the driving plate 83 to slide is arranged on the base frame 51. The sliding assembly 9 is operated to slide the driving plate 83, the driving tooth plate 84 is meshed with the reversing gear 85, the reversing gear 85 rotates and meshes with the linkage tooth plate 82, the push-pull plate 81 can drive the linkage plate 87 to slide, and the linkage plate 87 drives the limit block 74 to slide.

[0060] like Fig.13 As shown, the sliding assembly 9 in this embodiment includes a connecting rod 91, a sliding plate 92 and a sliding screw 93. A mounting plate 94 is fixedly connected between the two lifting rods 54, and the mounting plate 94 is located above the seat plate 5. The ends of the two driving plates 83 extending out of the driving slot 88 are both connected to sliding rods 911, and the connecting rod 91 is fixedly connected between the two sliding rods 911. A connecting plate 95 is fixedly connected between the sliding plate 92 and the connecting rod 91, and the sliding screw 93 is rotatably connected to the mounting plate 94 and is threadedly connected to the sliding plate 92. Therefore, when the sliding screw 93 is rotated, thread feeding occurs between the sliding screw 93 and the sliding plate 92, and the sliding plate 92 drives the driving plate 83 to slide through the connecting plate 95 and the connecting rod 91.

[0061] like Fig.13 and Fig.15 As shown, the lifting assembly 6 in this embodiment includes a lifting screw sleeve 61 and a lifting screw rod 62, the lifting screw sleeve 61 is fixedly connected to the base frame 52, the side wall of the bottom end of the lifting screw rod 62 is inserted into the lifting screw sleeve 61 and is threadedly connected to the inner peripheral wall of the lifting screw sleeve 61, and a base block 63 is provided on the mounting plate 94, and the top end of the lifting screw rod 62 is rotatably connected to the base block 63. Therefore, by rotating the lifting screw rod 62, thread feed occurs between the lifting screw rod 62 and the lifting screw sleeve 61, which can drive the lifting rod 54 to rise and fall on the base cylinder 53, and adjust the height of the seat plate 5.

[0062] like Fig.13 , Fig.14 and Fig.15 As shown, in order to more conveniently drive the sliding screw 93 and the lifting screw 62 to rotate, in this embodiment, a linkage assembly 64 is provided between the sliding screw 93 and the lifting screw 62 .

[0063] The linkage assembly 64 includes a first rotating wheel 641, a second rotating wheel 642, a linkage belt 643, a first linkage sleeve 644 and a second linkage sleeve 645. A linkage box 646 is fixedly connected to the mounting plate 94. The top of the lifting screw 62 passes through the linkage box 644 and is rotatably connected to the linkage box 644. The sliding screw 93 extends into the linkage box 646. A first bevel gear 647 is fixedly connected to the top of the lifting screw 62. A reversing shaft 648 is rotatably connected to the inner side wall of the linkage box 646. The reversing shaft 648 and the sliding screw 93 are axially parallel. A second bevel gear 649 is fixedly connected to the reversing shaft 648. The first bevel gear 647 and the second bevel gear 649 are meshed and located on the side of the first bevel gear 647 away from the mounting plate 94.

[0064] The first rotating wheel 641 is rotatably connected to the inner vertical side wall of the linkage box 646 away from the mounting plate 94. The first rotating wheel 641 and the reversing shaft 648 are opposite and share the same center axis. The second rotating wheel 642 is rotatably connected to the inner side wall of the linkage box 646 away from the mounting plate 94. The second rotating wheel 642 and the sliding screw 93 are opposite and share the same center axis. The linkage belt 643 is connected between the first rotating wheel 641 and the second rotating wheel 642. A driving motor 96 is fixedly installed on the linkage box 646. The driving end of the driving motor 96 is fixedly connected to the side wall of the first rotating wheel 641 away from the reversing shaft 648. The first rotating wheel 641 and the second rotating wheel 642 are fixedly connected to the side wall facing the mounting plate 94 with a matching shaft 973; the first linkage sleeve 644 is slidably arranged on the matching shaft 973 on the first rotating wheel 641, and the first linkage sleeve 644 slides axially along the first rotating wheel 641; the second linkage sleeve 645 is slidably arranged on the matching shaft 973 on the second rotating wheel 642, and the second linkage sleeve 645 slides axially along the second rotating wheel 642. Connectors 97 are arranged between the matching shaft 973 and the reversing shaft 648, and between the matching shaft 973 and the sliding screw 93.

[0065] like Fig.14 and Fig.15As shown, the connecting member 97 includes a linkage block 971 and a toggle rod 972. A linkage shaft 976 is fixedly connected to the end wall of the reversing shaft 648 and the sliding screw 93. The linkage shaft 976 and the corresponding matching shaft 973 share a central axis and are axially opposite. A linkage slot 974 is provided on the linkage shaft 976, and the linkage slot 974 penetrates the end wall of the linkage shaft 976 toward the matching shaft 973. A linkage block 971 is fixedly connected to the inner circumferential wall of the first linkage sleeve 644 and the second linkage sleeve 645. The linkage block 971 is inserted into the linkage slot 974 and fits with the slot wall of the linkage slot 974. The first linkage sleeve 644 and the second linkage sleeve 645 are both rotatably connected with a driving sleeve 977 on their outer peripheral walls, the toggle rod 972 is fixedly connected to the outer side wall of the driving sleeve 977, a clearance groove 975 is penetrated through the side wall of the linkage box 646, the toggle rod 972 extends out of the linkage box 646 through the corresponding clearance groove 975, and the toggle rod 972 and the groove wall of the clearance groove 975 are connected by axial sliding along the mating shaft 973.

[0066] The sliding toggle rod 972 causes the linkage block 971 on the first linkage sleeve 644 to be plugged into the corresponding linkage slot 974, while the linkage block 971 on the second linkage sleeve 645 is away from the linkage slot 974, the driving motor 96 is started, the first rotating wheel 641 and the second rotating wheel 642 are rotated, the first rotating wheel 641 can drive the reversing shaft 648 to rotate through the first linkage sleeve 644, and the lifting screw 62 is rotated under the meshing action of the first bevel gear 647 and the second bevel gear 649. The sliding toggle rod 972 causes the linkage block 971 on the second linkage sleeve 645 to be plugged into the corresponding linkage slot 974, while the linkage block 971 on the first linkage sleeve 644 is away from the linkage slot 974, the driving motor 96 is started, the first rotating wheel 641 and the second rotating wheel 642 are rotated, and the second rotating wheel 642 can drive the sliding screw 93 to rotate through the second linkage sleeve 645. In order to facilitate the smooth insertion of the linkage block 971 into the linkage slot 974 , the first rotating wheel and the second rotating wheel 642 rotate by an integer number of circles so that when the matching shaft 973 stops rotating, the linkage block 971 is always opposite to the linkage slot 974 .

[0067] The implementation principle of a nursing chair and a nursing bed in the embodiment of the present application is:

[0068] During the patient's daily recuperation, the seat board 5 is inserted into the base groove 18, the positioning block 76 is inserted into the fixing groove 761, and the fixing block is inserted into the fixing groove 761. The support bed board 12, the reversing bed board 13 and the leg bed board 14 are arranged along the length direction of the bed body 1 and the top walls are flush, and the patient can lie on the support bed board 12, the reversing bed board 13 and the leg bed board 14.

[0069] When the patient needs to be transferred, the support bed board 12 is rotated to lift the patient's upper body, and then the leg bed board 14 is moved down, and then the reversing bed board 13 is rotated 90 degrees so that the patient faces the outside of the bed body 1, and then the nursing chair is pushed, the fixing straps 58 are opened, and the support rod 71 is inserted into the support groove 711, so that the fixing block is away from the fixing slot 752, and the linkage block 73 is inserted into the limit slot 741. Then the patient's upper body is lifted up, the fixing straps 58 are connected behind the patient, and the positioning plate 592 is inserted into the connecting sleeve 59, so that the patient leans on the backboard 591. Then the nursing chair is pulled so that the support rod 71 takes the seat board 5 away from the reversing bed board 13.

[0070] When the patient needs to return to the nursing bed, push the nursing chair, insert the seat board 5 into the base groove 18, and insert the positioning block 76 into the fixed groove 761. Then operate the driving plate 83 to slide, so that the limit block 74 pushes the linkage plate 87 and the linkage plate 87 leaves the limit card slot 741; open the fixing strap 58, remove the back plate 591, so that the patient leans on the supporting bed board 12, and then manually assists in pressing the seat board 5, pulls the nursing chair away, and separates the support rod 71 and the seat board 5. Then, under the action of the elastic member 77, the fixed card block is inserted into the fixed groove 761, and the linkage block 73 is inserted into the driving cavity 86. Finally, the reversing bed board 13 and the supporting bed board 12 are rotated so that the supporting bed board 12, the reversing bed board 13 and the leg bed board 14 are arranged along the length direction of the bed body 1 and the top wall is flush, and the patient can lie on the nursing bed again.

[0071] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A transfer nursing chair, comprising a base frame (51), a running wheel (521) rotatably connected to the bottom end of the base frame (51), and a backrest assembly (56) movably connected to the base frame (51), characterized in that: The base frame (51) is detachably connected to a seat plate (5) via a mounting assembly (7), wherein the mounting assembly (7) comprises a support rod (71), a connecting block (72), a linkage block (73), a limit block (74), a fixing block (75), and a positioning block (76); the support rod (71) is arranged on the base frame (51), and a support groove (711) is arranged on the seat plate (5); the support rod (71) is inserted into the support groove (711) along the length direction of the support rod (71) and fits with the groove wall of the support groove (711); The supporting groove (711) is provided with a sliding groove (721) on the groove wall perpendicular to the length direction of the supporting rod (71); the connecting block (72) is slidingly arranged on the groove wall of the sliding groove (721); an elastic member (77) is connected between the connecting block (72) and the groove wall of the sliding groove (721); the linkage block (73) is arranged at one end of the connecting block (72) facing the supporting rod (71); the end of the linkage block (73) away from the connecting block (72) is provided with a guiding inclined surface (731) for slidingly fitting with one end of the supporting rod (71) extending into the supporting groove (711); the guiding inclined surface (731) is provided at one end of the connecting block (72) facing the supporting rod (71); 31) is inclined toward one end of the notch of the support groove (711) and is close to the connecting block (72); a limit slot (741) is provided on the side wall opposite to the support rod (71) and the sliding groove (721); the limit block (74) is slidably provided on the groove wall of the limit slot (741); and a driving component (8) for driving the limit block (74) to slide is provided on the support rod (71); one end of the linkage block (73) away from the connecting block (72) extends into the limit slot (741), and the limit block (74) and the groove wall of the limit slot (741) are both in contact with the linkage block (73); The driving assembly (8) comprises a push-pull plate (81), a linkage tooth plate (82), a driving plate (83), a driving tooth plate (84) and a reversing gear (85); a driving cavity (86) communicating with the limit slot (741) is arranged in the support rod (71); an end of the limit block (74) away from the linkage block (73) extends into the driving cavity (86); a linkage plate (87) is slidably arranged on the cavity wall of the driving cavity (86); A clearance groove (751) is provided on the side of the bottom wall of the sliding groove (721) away from the supporting groove (711), and the clearance groove (751) penetrates the bottom wall of the seat plate (5), and the clearance groove (751) penetrates the two side end walls of the seat plate (5) along the length direction of the supporting rod (71); a connecting block (722) is provided at one end of the connecting block (72) away from the linkage plate (87), and the fixing block (75) is arranged at one end of the connecting block (722) away from the connecting block (72) and toward the supporting rod (71), and the clearance groove (751) and the fixing block (751) are arranged on the side of the connecting block (72) away from the connecting block (72) and toward the supporting rod (71). ) is provided with a fixing groove (761) on the groove wall opposite to the supporting rod (71), the fixing groove (761) passes through the bottom end of the seat plate (5), and the fixing groove (761) passes through the two side end walls of the seat plate (5) along the length direction of the supporting rod (71); the positioning block (76) is provided on a nursing bed used to cooperate with the nursing chair, the positioning block (76) is inserted into the fixing groove (761) and fits with the groove wall of the fixing groove (761), and the side walls opposite to the positioning block (76) and the fixing block (75) are provided with a fixing card groove (752) for plugging with the fixing block (75).

2. A transfer nursing chair according to claim 1, characterized in that: The limit blocks (74) are connected to the linkage plate (87); a driving groove (88) is provided in the support rod (71) located on the side of the driving cavity (86) away from the limit slot (741); the push-pull plate (81) is provided on the side wall of the linkage plate (87) away from the limit block (74); the push-pull plate (81) extends into the driving groove (88) and is slidably connected to the support rod (71); the linkage toothed plate (82) is fixedly connected to one end of the push-pull plate (81) extending into the driving groove (88); the reversing gear (85) is rotatably connected to the On the groove wall of the driving groove (88), the linkage tooth plate (82) and the reversing gear (85) are meshed, the driving plate (83) is slidably arranged on the support rod (71) in the length direction along the support rod (71), one end of the driving plate (83) extends into the driving groove (88), the driving tooth plate (84) is arranged at one end of the driving tooth plate (84) extending into the driving groove (88), and the driving tooth plate (84) and the reversing gear (85) are meshed; and a sliding assembly (9) for driving the driving plate (83) to slide is arranged on the base frame (51).

3. A transfer nursing chair according to claim 2, characterized in that: The base frame (51) comprises a bottom frame (52), a base tube (53) arranged on the bottom frame (52), and a lifting rod (54) arranged on the inner wall of the base tube (53) for sliding in a vertical direction; a lifting component (6) for driving the lifting rod (54) to slide is arranged on the bottom frame (52); the backrest component (56) and the support rod (71) are both arranged on the lifting rod (54); and a foot pedal is also arranged on the bottom frame (52).

4. A transfer nursing chair according to claim 3, characterized in that: The lifting assembly (6) comprises a lifting screw sleeve (61) and a lifting screw rod (62), wherein the lifting screw sleeve (61) is fixedly connected to the base frame (52), the lifting screw rod (62) and the inner peripheral wall of the lifting screw sleeve (61) are threadedly connected, and a mounting plate (94) is provided on the lifting rod (54), and the top end of the lifting screw rod (62) is rotatably connected to the mounting plate (94); the sliding assembly (9) comprises a connecting rod (91), a sliding plate (92) and a sliding screw rod (93), wherein the lifting screw sleeve (61) is fixedly connected to the base frame (52), and the lifting screw rod (62) is threadedly connected to the inner peripheral wall of the lifting screw sleeve (61). The connecting rod (91) is arranged on the end wall of the driving plate (83) extending out of the support rod (71); the sliding plate (92) is slidingly arranged on the mounting plate (94); a connecting plate (95) is arranged between the sliding plate (92) and the connecting rod (91); the sliding screw (93) is rotatably connected to the mounting plate (94) and is threadedly connected to the sliding plate (92); and a linkage assembly (64) is arranged between the sliding screw (93) and the lifting screw (62).

5. The transfer nursing chair according to claim 4, characterized in that: The linkage assembly (64) comprises a first rotating wheel (641), a second rotating wheel (642), a linkage belt (643), a first linkage sleeve (644) and a second linkage sleeve (645); a linkage box (646) is arranged on the mounting plate (94); the lifting screw (62) and the sliding screw (93) both extend into the linkage box (646) and are rotationally connected to the linkage box (646); the lifting screw (62) is provided with a first bevel gear (647) ), a reversing shaft (648) is rotatably connected in the linkage box (646), a second bevel gear (649) is provided on the reversing shaft (648), the first bevel gear (647) and the second bevel gear (649) are meshed, the reversing shaft (648) and the sliding screw (93) are axially parallel; the first rotating wheel (641) is rotatably connected in the linkage box (646) and has a common central axis with the reversing shaft (648), the second rotating wheel (642 ) is rotatably connected in the linkage box (646) and shares a central axis with the sliding screw (93); the linkage belt (643) is arranged between the first rotating wheel (641) and the second rotating wheel (642); a driving motor (96) is arranged on the linkage box (646); a driving end of the driving motor (96) is fixedly connected to the side wall of the first rotating wheel (641) away from the reversing shaft (648); the first linkage sleeve (644) is axially slidably arranged on the side wall of the first rotating wheel (641) toward the reversing shaft (648) along the first rotating wheel (641); the second linkage sleeve (645) is axially slidably arranged on the side wall of the second rotating wheel (642) toward the sliding screw (93) along the second rotating wheel (642); connecting pieces (97) are arranged between the first linkage sleeve (644) and the reversing shaft (648), and between the second linkage sleeve (645) and the sliding screw (93).

6. The transfer nursing chair according to claim 5, characterized in that: The connecting member (97) comprises a linkage block (971) and a toggle rod (972). The end walls of the reversing shaft (648) and the sliding screw (93) are fixedly connected with a linkage shaft (976). The linkage shaft (976) is provided with a linkage slot (974). The inner circumferential walls of the first linkage sleeve (644) and the second linkage sleeve (645) are fixedly connected with a linkage block (971). The linkage block (971) is inserted into the linkage slot (974) and engages with the linkage slot (974). The first linkage sleeve (644) and the second linkage sleeve (645) are fitted with groove walls, the outer peripheral walls of the first linkage sleeve (644) and the second linkage sleeve (645) are rotatably connected with a driving sleeve (977), the toggle rod (972) is fixedly connected to the outer side wall of the driving sleeve (977), the linkage box (646) is provided with a yielding slide groove (975), the toggle rod (972) extends out of the linkage box (646) through the yielding slide groove (975), and the toggle rod (972) and the groove wall of the yielding slide groove (975) are slidably connected.

7. The transfer nursing chair according to claim 1, characterized in that: The backrest assembly (56) comprises a side panel (57), wherein the side panel (57) is arranged on the base frame (51), and there are two side panels (57) which are arranged opposite to each other. At least two fixing straps (58) are arranged on each of the two side panels (57), and the fixing straps (58) on the same side panel (57) are arranged in a vertical direction, and the opposite ends of the two fixing straps (58) on different side panels (57) are detachably connected by buckles; a connecting sleeve (59) is arranged on the fixing strap (58), and the connecting sleeves (59) are arranged opposite to each other in the vertical direction. A positioning plate (592) is inserted between the connecting sleeves (59) opposite to each other in the vertical direction, and a back plate (591) is arranged on the positioning plate (592), and the side wall of the connecting sleeve (59) abuts between the back plate (591) and the positioning plate (592).

8. A nursing bed used in conjunction with the transfer nursing chair according to any one of claims 1 to 7, characterized in that: The invention comprises a bed body (1), a reversing bed board (13) being rotatably connected to the bed body (1), a rotating assembly (2) for driving the reversing bed board (13) to rotate being provided on the bed body (1), a base groove (18) for plugging and cooperating with the seat board (5) being provided on the reversing bed board (13), and the fixing block (75) being arranged on the groove wall of the base groove (18).

Images