阅读说明：本技术 一种急诊科室用多功能救助装置 (Emergency call department is with multi-functional succour device ) 是由 张军丽 于 2021-06-28 设计创作，主要内容包括：本发明涉及医疗器械技术领域,具体涉及一种急诊科室用多功能救助装置,包括支撑板,支撑板上升降连接有支撑架,支撑架上连接有折叠机构,折叠机构上连接有万向轮,支撑架上连接有调节机构,调节机构与折叠机构相配合；支撑板上还滑动连接有床板,支撑板上还连接有与床板相配合的联动机构,联动机构连接有升降板,升降板与床板相配合；床板上升降连接有扶手,两个扶手之间滑动连接有内杆和方管,支撑板上转动连接有联动杆,支撑框上固定连接有支撑柱,支撑柱与联动杆的一端滑动和转动连接,方管与联动杆的另一端滑动和转动连接,本发明有效的解决了现有技术中急诊科救助装置存在的运送过程中容易晃动以及不能调节长度的问题。(The invention relates to the technical field of medical instruments, in particular to a multifunctional rescue device for emergency departments, which comprises a supporting plate, wherein a supporting frame is connected to the supporting plate in a lifting manner, a folding mechanism is connected to the supporting frame, universal wheels are connected to the folding mechanism, an adjusting mechanism is connected to the supporting frame, and the adjusting mechanism is matched with the folding mechanism; the support plate is also connected with a bed board in a sliding way, the support plate is also connected with a linkage mechanism matched with the bed board, the linkage mechanism is connected with a lifting plate, and the lifting plate is matched with the bed board; the bed board is connected with handrails in a lifting mode, an inner rod and a square tube are connected between the two handrails in a sliding mode, the supporting plate is connected with the linkage rod in a rotating mode, the supporting frame is fixedly connected with the supporting columns, the supporting columns are connected with one ends of the linkage rods in a sliding and rotating mode, and the square tube is connected with the other ends of the linkage rods in a sliding and rotating mode.)

1. The utility model provides an emergency department is with multi-functional succour device, includes backup pad (2), its characterized in that: the lifting device is characterized in that a support frame (6) is connected to the support plate (2) in a lifting mode, a folding mechanism (3) is connected to the support frame (6), universal wheels (32) are connected to the folding mechanism (3), a support frame (8) is fixedly connected to the top end of the support frame (6), an adjusting mechanism is connected to the support frame (8), and the adjusting mechanism is matched with the folding mechanism (3); the bed plate is characterized in that the supporting plate (2) is further connected with a pair of bed plates (1) in a sliding mode, the bed plates (1) are symmetrically arranged in the front and back mode, the supporting plate (2) is further connected with a linkage mechanism matched with the bed plates (1), the linkage mechanism is connected with a lifting plate (38), and the lifting plate (38) is matched with the bed plates (1); bed board (1) goes up and down to be connected with handrail (4), two sliding connection has interior pole (35) and square pipe (36) between handrail (4), rotates on backup pad (2) and is connected with gangbar (37), fixedly connected with support column (9) on carriage (8), and support column (9) slide with the rotation with the one end of gangbar (37) and are connected, and square pipe (36) slide with the rotation with the other end of gangbar (37) and are connected.

2. The multifunctional rescue apparatus for emergency departments of claim 1, wherein: be connected with on backup pad (2) and carriage (8) matched with elevating system, elevating system includes second initiative bevel gear (14) of being connected with backup pad (2) rotation, second initiative bevel gear (14) coaxial fixedly connected with second adjust knob (16), second initiative bevel gear (14) meshing has second driven bevel gear (15), second driven bevel gear (15) fixedly connected with transmission shaft (13), the first initiative bevel gear (12) of both ends fixedly connected with of transmission shaft (13), first initiative bevel gear (12) meshing has first driven bevel gear (11), first driven bevel gear (11) fixedly connected with threaded rod (10), threaded rod (10) rotate with backup pad (2) and are connected with, be equipped with on backup pad (8) with threaded rod (10) matched with internal thread.

3. The multifunctional rescue apparatus for emergency departments of claim 1, wherein: the adjusting mechanism comprises a fixing rod (7) fixedly connected with the supporting frame (8), a worm (25) is rotatably connected onto the fixing rod (7), and a second adjusting knob (16) is coaxially and fixedly connected with the worm (25); the worm (25) is meshed with a worm wheel (19), the worm wheel (19) is rotationally connected with the fixed column, the worm wheel (19) is fixedly connected with a fifth parallel rod (44), the other end of the fifth parallel rod (44) is rotationally connected with a transfer parallel rod (23) and a second parallel rod (21), the other end of the transfer parallel rod (23) is rotationally connected with a third parallel rod (24) and a fourth parallel rod (43), and the other end of the third parallel rod (24) is rotationally connected with the fixed rod (7); one end of the second parallel rod (21) is rotatably connected with the first parallel rod (20), the other end of the first parallel rod (20) is rotatably connected with the fourth parallel rod (43), the other end of the second parallel rod (21) is fixedly connected with the limiting column (22), the limiting column (22) is rotatably connected with the limiting rod (17), and the limiting rod (17) is rotatably connected with the fixing rod (7).

4. The multifunctional rescue apparatus for emergency departments of claim 1, wherein: a driven rod (34) is rotatably connected to the support frame (6), a triangular plate (33) is rotatably connected to the other end of the driven rod (34), a universal wheel (32) is fixedly connected with the triangular plate (33), a transmission rod (29) is rotatably connected to the triangular plate (33), a first rocker (31) is fixedly connected to the transmission rod (29), and the first rocker (31) is rotatably connected with the support frame (6); the lifting mechanism is characterized in that a first connecting rod (30) is fixedly connected onto the transmission rod (29), the other end of the first connecting rod (30) is rotatably connected with a lifting rod (18), a transverse groove (28) is formed in the lifting rod (18), a limiting column (22) is fixedly connected onto the first parallel rod (20), and the limiting column (22) is matched with the transverse groove (28).

5. The multifunctional rescue apparatus for emergency departments of claim 1, wherein: the number of the linkage mechanisms is two, the two linkage mechanisms are respectively connected with the bed plate (1), and the two linkage mechanisms are mutually matched; the linkage mechanism comprises a second rocker (39) rotatably connected with the support plate (2), the other end of the second rocker (39) is rotatably connected with a third connecting rod (41), and the other end of the third connecting rod (41) is rotatably connected with the bed plate (1); the second rocker (39) is also rotatably connected with a second connecting rod (40), and the second connecting rod (40) is rotatably connected with the lifting plate (38).

6. The multifunctional rescue apparatus for emergency departments of claim 1, wherein: the fixed rod (7) is fixedly connected to the supporting plate (2), and the sliding groove (42) matched with the bed board (1) is formed in the bed board (1).

7. The multifunctional rescue apparatus for emergency departments of claim 1, wherein: the number of the handrails (4) is two, and the two handrails (4) are symmetrically arranged on two sides of the bed board (1).

Technical Field

The invention relates to the technical field of medical instrument assistance, in particular to a multifunctional rescue device for an emergency department.

Background

The emergency medical department or the emergency medical center is a department with the most centralized severe patients, the most types of the patients and the most important rescue and management tasks in a hospital, and is a necessary way for all emergency patients to be admitted for treatment, the emergency department needs to send an ambulance to a site for rescue, and related rescue devices are often used in the emergency rescue process and need to be matched with the ambulance for rescue, so that the patients are relatively troublesome in the process of the way; at present, when emergency patients are rescued, the patients generally needing rescue treatment often have life risks, and when medical workers receive the emergency patients, the patients are often quickly transferred by using a stretcher; however, in the process of transferring the stretcher in the prior art from an ambulance to an operating room, the fluctuation of walking of the carrying personnel can cause the shaking of the stretcher, and the length of the existing stretcher cannot be adjusted according to the height of a patient; in summary, the rescue device for emergency department in the prior art has the problems of easy shaking and incapability of adjusting the length during the transportation process, and therefore, a multifunctional rescue device for emergency department is urgently needed.

Disclosure of Invention

In view of the above situation, in order to overcome the defects of the prior art, the invention provides a multifunctional rescue device for an emergency department, which effectively solves the problems that the rescue device for the emergency department in the prior art is easy to shake and cannot adjust the length in the conveying process.

In order to achieve the purpose, the invention adopts the following technical scheme:

a multifunctional rescue device for an emergency department comprises a supporting plate, wherein a supporting frame is connected to the supporting plate in a lifting mode, a folding mechanism is connected to the supporting frame, universal wheels are connected to the folding mechanism, a supporting frame is fixedly connected to the top end of the supporting frame, an adjusting mechanism is connected to the supporting frame, and the adjusting mechanism is matched with the folding mechanism; the support plate is also connected with a pair of bed plates in a sliding manner, the bed plates are symmetrically arranged in front and back, the support plate is also connected with a linkage mechanism matched with the bed plates, the linkage mechanism is connected with a lifting plate, and the lifting plate is matched with the bed plates; the bed board goes up and down to be connected with the handrail, two sliding connection has interior pole and side pipe between the handrail, rotates in the backup pad to be connected with the gangbar, fixedly connected with support column on the carriage, and the support column slides and rotates with the one end of gangbar to be connected, and side pipe slides and rotates with the other end of gangbar to be connected.

Further, be connected with in the backup pad with carriage matched with elevating system, elevating system includes and rotates the second initiative bevel gear of being connected with the backup pad, the coaxial fixedly connected with second adjust knob of second initiative bevel gear, second initiative bevel gear meshes has the driven bevel gear of second, the driven bevel gear fixedly connected with transmission shaft of second, the first initiative bevel gear of both ends fixedly connected with of transmission shaft, first initiative bevel gear meshes has first driven bevel gear, first driven bevel gear fixedly connected with threaded rod, the threaded rod rotates with the backup pad to be connected with, be equipped with on the carriage with threaded rod matched with internal thread.

Furthermore, the adjusting mechanism comprises a fixed rod fixedly connected with the support frame, a worm is rotatably connected on the fixed rod, and a second adjusting knob is coaxially and fixedly connected with the worm; the worm is meshed with a worm wheel, the worm wheel is rotationally connected with the fixed column, the worm wheel is fixedly connected with a fifth parallel rod, the other end of the fifth parallel rod is rotationally connected with a transfer parallel rod and a second parallel rod, the other end of the transfer parallel rod is rotationally connected with a third parallel rod and a fourth parallel rod, and the other end of the third parallel rod is rotationally connected with the fixed rod; one end of the second parallel rod is rotatably connected with the first parallel rod, the other end of the first parallel rod is rotatably connected with the fourth parallel rod, the other end of the second parallel rod is fixedly connected with a limiting column, a limiting rod is rotatably connected to the limiting column, and the limiting rod is rotatably connected with the fixing rod.

Furthermore, a driven rod is rotatably connected to the support frame, a triangular plate is rotatably connected to the other end of the driven rod, the universal wheel is fixedly connected with the triangular plate, a transmission rod is rotatably connected to the triangular plate, a first rocker is fixedly connected to the transmission rod, and the first rocker is rotatably connected with the support frame; the transmission rod is fixedly connected with a first connecting rod, the other end of the first connecting rod is rotatably connected with a lifting rod, a transverse groove is formed in the lifting rod, a limiting column is fixedly connected to the first parallel rod, and the limiting column and the transverse groove are arranged in a matched mode.

Furthermore, the number of the linkage mechanisms is two, the two linkage mechanisms are respectively connected with the bed plate, and the two linkage mechanisms are mutually matched; the linkage mechanism comprises a second rocker which is rotatably connected with the support plate, the other end of the second rocker is rotatably connected with a third connecting rod, and the other end of the third connecting rod is rotatably connected with the bed plate; and the second rocker is also rotatably connected with a second connecting rod, and the second connecting rod is rotatably connected with the lifting plate.

Furthermore, a fixed rod is fixedly connected to the supporting plate, and a sliding groove matched with the bed board is formed in the bed board.

Furthermore, the number of the handrails is two, and the two handrails are symmetrically arranged on two sides of the bed board.

The invention achieves the following beneficial effects:

the invention has novel structure, ingenious conception and convenient operation, and the support frame and the support plate are matched to ensure that the support frame can be controlled to slide along the support plate according to the use condition when in use, so that the height of the device is adjusted, and the applicability of the device is increased; through the arrangement of the folding mechanism, the state of the device can be adjusted when the stretcher is used, the switching between the stretcher state and the transfer trolley state is realized, the working strength of medical personnel is reduced, and the safety of the transfer process is improved; through the arrangement of the adjusting mechanism, the folding mechanism can be controlled to work when the medical nursing bed is used, and the working strength of medical staff is reduced; through the arrangement of the linkage mechanism, the matching of the control bed plate and the lifting plate is ensured when the bed is used, and the length of the device is adjusted to be convenient for a patient to use; by the arrangement of the linkage rod, the cooperation of the supporting plate and the handrail can be controlled when the handrail-driven handrail is used, and the opposite movement directions of the supporting plate and the handrail are realized; through the arrangement of the lifting mechanism, the invention can ensure that the supporting frame can be controlled to lift along the supporting plate when in use, thereby improving the stability of the device.

Drawings

FIG. 1 is an isometric view of the overall structure of the present invention;

FIG. 2 is an isometric view of a support plate and support frame of the present invention;

FIG. 3 is an isometric view of the lift mechanism of the present invention;

FIG. 4 is an isometric view of an adjustment mechanism of the present invention;

FIG. 5 is an enlarged view of the adjustment mechanism of the present invention;

FIG. 6 is an isometric view of the folding mechanism of the present invention;

FIG. 7 is an isometric view of a linkage plate of the present invention;

FIG. 8 is an isometric view of a linkage mechanism of the present invention;

in the figure: 1. a bed board; 2. a support plate; 3. a folding mechanism; 4. a handrail; 5. a first adjustment knob; 6. a support frame; 7. fixing the rod; 8. a support frame; 9. a support pillar; 10. a threaded rod; 11. a first driven bevel gear; 12. a first drive bevel gear; 13. a drive shaft; 14. a second drive bevel gear; 15. a second driven bevel gear; 16. a second adjustment knob; 17. a limiting rod; 18. a lifting rod; 19. a worm gear; 20. a first parallel bar; 21. a second parallel bar; 22. a limiting column; 23. transferring the parallel rod; 24. a third parallel bar; 25. a worm; 26. fixing the rod; 27. a lifting column; 28. a transverse groove; 29. a transmission rod; 30. a first connecting rod; 31. a first rocker; 32. a universal wheel; 33. a set square; 34. a driven lever; 35. an inner rod; 36. a square tube; 37. a linkage rod; 38. a lifting plate; 39. a second rocker; 40. a second connecting rod; 41. a third connecting rod; 42. a chute; 43. a fourth parallel bar; 44. and a fifth parallel bar.

Detailed Description

To facilitate an understanding of the present invention by those skilled in the art, specific embodiments thereof are described below with reference to the accompanying drawings.

As shown in fig. 1 and 7, the multifunctional rescue device for emergency departments comprises a support plate 2, wherein the support plate 2 is connected with a support frame 6 in a lifting manner, the support frame 6 is connected with a folding mechanism 3, the folding mechanism 3 is connected with a universal wheel 32, the top end of the support frame 6 is fixedly connected with a support frame 8, the support frame 8 is connected with an adjusting mechanism, and the adjusting mechanism is matched with the folding mechanism 3; the supporting plate 2 is also connected with a pair of bed boards 1 in a sliding manner, the bed boards 1 are symmetrically arranged in front and back, the supporting plate 2 is fixedly connected with a fixed rod 7, and the bed board 1 is provided with a sliding groove 42 matched with the bed board 1; the supporting plate 2 is also connected with a linkage mechanism matched with the bed plate 1, the linkage mechanism is connected with a lifting plate 38, and the lifting plate 38 is matched with the bed plate 1; the ascending and descending of bed board 1 is connected with handrail 4, and the quantity of handrail 4 is two, two handrail 4 symmetry sets up in the both sides of bed board 1, two rod 35 and square pipe 36 in sliding connection have between handrail 4, rotate on the backup pad 2 and be connected with gangbar 37, fixedly connected with support column 9 on the carriage 8, support column 9 slides and rotates with the one end of gangbar 37 and is connected, and square pipe 36 slides and rotates with the other end of gangbar 37 and is connected.

When the medical hand-held device is used, medical staff firstly control the support frame 6 to descend along the support plate 2, the support plate 2 slides downwards and simultaneously drives the support frame 8 to descend, the support frame 8 drives the support column 9 to slide downwards, the support column 9 drives the linkage rod 37 to rotate around the support plate 2, the other end of the support column is matched with the square tube 36 to drive the square tube 36 to ascend, and the square tube 36 drives the handrail 4 to ascend; then, an adjusting mechanism is used for controlling the folding mechanism 3 to work, after the adjustment is finished, the folding mechanism 3 drives the universal wheels 32 to be in contact with the ground, then a pair of bed plates 1 are controlled to slide towards two ends, the bed plates 1 drive the lifting plates 38 to be matched with the bed plates 1 through a linkage mechanism, the purpose of prolonging the bed plates 1 is achieved, the bed plates 1 drive the handrails 4 to slide, the handrails 4 slide along the inner rods 35, and finally, a patient is helped to lie on the bed plates 1 and the lifting plates 38; through the matching arrangement of the support frame 6 and the support plate 2, the support frame 6 can be controlled to slide along the support plate 2 according to the use condition when the device is used, the height of the device is adjusted, and the poor applicability of the device is increased; by arranging the folding mechanism 3, the state of the device can be adjusted when the stretcher is used, the switching between the stretcher state and the transfer trolley state is realized, the working strength of medical personnel is reduced, and the safety of the transfer process is improved; through the arrangement of the adjusting mechanism, the folding mechanism 3 can be controlled to work when the medical nursing bed is used, and the working intensity of medical staff is reduced; by the arrangement of the linkage mechanism, the matching of the control bed plate 1 and the lifting plate 38 is ensured when the bed is used, and the length of the device is adjusted to be convenient for a patient to use; by arranging the linkage rod 37, the invention can control the support plate 2 and the handrail 4 to be matched when in use, and the movement directions of the support plate 2 and the handrail 4 are opposite.

As shown in fig. 2 and 3, the supporting plate 2 is connected with an elevating mechanism matched with the supporting frame 8, the elevating mechanism includes a second driving bevel gear 14 rotatably connected with the supporting plate 2, the second driving bevel gear 14 is coaxially and fixedly connected with a second adjusting knob 16, the second driving bevel gear 14 is meshed with a second driven bevel gear 15, the second driven bevel gear 15 is fixedly connected with a transmission shaft 13, two ends of the transmission shaft 13 are fixedly connected with a first driving bevel gear 12, the first driving bevel gear 12 is meshed with a first driven bevel gear 11, the first driven bevel gear 11 is fixedly connected with a threaded rod 10, the threaded rod 10 is rotatably connected with the supporting plate 2, and the supporting frame 8 is provided with an internal thread matched with the threaded rod 10.

When the medical support is used, a medical worker drives the second driving bevel gear 14 to rotate by using the second adjusting knob 16, the second driving bevel gear 14 is meshed to drive the second driven bevel gear 15 to rotate, the second driven bevel gear 15 drives the transmission shaft 13 to rotate, the transmission shaft 13 drives the first driving bevel gear 12 to rotate, the first driving bevel gear 12 is meshed to drive the first driven bevel gear 11 to rotate, the first driven bevel gear 11 drives the threaded rod 10 to rotate around the support plate 2, and the threaded rod 10 drives the support frame 8 to lift along the support plate 2 through threaded connection; through the arrangement of the lifting mechanism, the lifting of the support frame 6 along the support plate 2 can be controlled when the device is used, and the stability of the device is improved.

As shown in fig. 4 and 5, the adjusting mechanism includes a fixing rod 7 fixedly connected to the support frame 8, a worm 25 is rotatably connected to the fixing rod 7, and a second adjusting knob 16 is coaxially and fixedly connected to the worm 25; the worm 25 is meshed with a worm wheel 19, the worm wheel 19 is rotationally connected with a fixed column, the worm wheel 19 is fixedly connected with a fifth parallel rod 44, the other end of the fifth parallel rod 44 is rotationally connected with a transit parallel rod 23 and a second parallel rod 21, the other end of the transit parallel rod 23 is rotationally connected with a third parallel rod 24 and a fourth parallel rod 43, and the other end of the third parallel rod 24 is rotationally connected with a fixed rod 7; one end of the second parallel rod 21 is rotatably connected with the first parallel rod 20, the other end of the first parallel rod 20 is rotatably connected with the fourth parallel rod 43, the other end of the second parallel rod 21 is fixedly connected with the limiting column 22, the limiting column 22 is rotatably connected with the limiting rod 17, and the limiting rod 17 is rotatably connected with the fixing rod 7.

When the medical nursing bed is used, a medical worker uses the first adjusting knob 5 to drive the worm 25 to rotate, the worm 25 is meshed to drive the worm wheel 19 to rotate around the fixed rod 7, the worm wheel 19 drives the fifth parallel rod 44 to rotate, the fifth parallel rod 44 drives the transit parallel rod 23 to rotate, the transit parallel rod 23 drives the third parallel rod 24 to rotate around the fixed rod 7, and the transit parallel rod 23 is always parallel to the fixed rod 7; the transfer parallel rod 23 is also matched with the limiting rod 17 to drive the second parallel rod 21 to rotate around the transfer parallel rod 23, the second parallel rod 21 drives the first parallel rod 20 to rotate around the fourth parallel rod 43, the first parallel rod 20 is always parallel to the transfer parallel rod 23, and the first parallel rod 20 is lifted; through the arrangement of the adjusting mechanism, the folding mechanism 3 can be controlled to work when the medical nursing bed is used, and the working strength of medical care personnel is reduced.

As shown in fig. 5 and 6, a driven rod 34 is rotatably connected to the support frame 6, a triangular plate 33 is rotatably connected to the other end of the driven rod 34, the universal wheel 32 is fixedly connected to the triangular plate 33, a transmission rod 29 is rotatably connected to the triangular plate 33, a first rocker 31 is fixedly connected to the transmission rod 29, and the first rocker 31 is rotatably connected to the support frame 6; the driving rod 29 is fixedly connected with a first connecting rod 30, the other end of the first connecting rod 30 is rotatably connected with a lifting rod 18, a transverse groove 28 is formed in the lifting rod 18, a limiting column 22 is fixedly connected to the first parallel rod 20, and the limiting column 22 is matched with the transverse groove 28.

When the universal wheel is used, the first parallel rod 20 is matched with the transverse groove 28 through the limiting column 22 to drive the lifting rod 18 to slide up and down, the lifting rod 18 drives the first connecting rod 30 to rotate, the first connecting rod 30 drives the transmission rod 29 to rotate around the supporting frame 6, the transmission rod 29 drives the triangular plate 33 to rotate, the triangular plate 33 drives the driven rod 34 to rotate, the driven rod 34 rotates around the supporting frame 6, the first connecting rod 30 is matched with the driven rod 34 to ensure that the direction of the triangular plate 33 is always unchanged, and the triangular plate 33 drives the universal wheel 32 to lift; through the arrangement of the folding mechanism 3, the state of the device can be adjusted when the stretcher is used, the switching between the stretcher state and the transfer trolley state is realized, the working strength of medical personnel is reduced, and the safety of the transfer process is improved.

As shown in fig. 7 and 8, the number of the linkage mechanisms is two, the two linkage mechanisms are respectively connected with the bed plate 1, and the two linkage mechanisms are mutually matched; the linkage mechanism comprises a second rocker 39 which is rotatably connected with the support plate 2, the other end of the second rocker 39 is rotatably connected with a third connecting rod 41, and the other end of the third connecting rod 41 is rotatably connected with the bed plate 1; the second rocker 39 is also rotatably connected with a second connecting rod 40, and the second connecting rod 40 is rotatably connected with the lifting plate 38.

When the medical bed is used, medical staff control the bed board 1 to slide towards two ends, the bed board 1 drives the third connecting rod 41 to rotate, the third connecting rod 41 drives the second rocker 39 to rotate around the supporting plate 2, the second rocker 39 drives the second connecting rod 40 to rotate, and the second connecting rod 40 drives the lifting plate 38 to slide upwards; the two linkage mechanisms are mutually matched to realize the stable ascending of the lifting plate 38, so that the lifting plate 38 is matched with the bed plate 1; by the arrangement of the linkage mechanism, the matching of the control bed board 1 and the lifting board 38 is ensured when the bed is used, and the length of the device is adjusted to be convenient for a patient to use.

The working process of the invention is as follows:

when the invention is used, medical staff firstly controls the support frame 6 to descend along the support plate 2: a second adjusting knob 16 is used for driving a second driving bevel gear 14 to rotate, the second driving bevel gear 14 is meshed with a second driven bevel gear 15 to rotate, the second driven bevel gear 15 drives a transmission shaft 13 to rotate, the transmission shaft 13 drives a first driving bevel gear 12 to rotate, the first driving bevel gear 12 is meshed with a first driven bevel gear 11 to rotate, the first driven bevel gear 11 drives a threaded rod 10 to rotate around a support plate 2, and the threaded rod 10 drives a support frame 8 to lift along the support plate 2 through threaded connection;

the support plate 2 slides downwards and simultaneously drives the support frame 8 to descend, the support frame 8 drives the support column 9 to slide downwards, the support column 9 drives the linkage rod 37 to rotate around the support plate 2, the other end of the support rod is matched with the square tube 36 to drive the square tube 36 to ascend, and the square tube 36 drives the handrail 4 to ascend;

then the adjusting mechanism is used for controlling the folding mechanism 3 to work: the first adjusting knob 5 is used for driving the worm 25 to rotate, the worm 25 is meshed with the worm wheel 19 to rotate around the fixed rod 7, the worm wheel 19 drives the fifth parallel rod 44 to rotate, the fifth parallel rod 44 drives the transit parallel rod 23 to rotate, the transit parallel rod 23 drives the third parallel rod 24 to rotate around the fixed rod 7, and the transit parallel rod 23 is always parallel to the fixed rod 7; the transfer parallel rod 23 is also matched with the limiting rod 17 to drive the second parallel rod 21 to rotate around the transfer parallel rod 23, the second parallel rod 21 drives the first parallel rod 20 to rotate around the fourth parallel rod 43, the first parallel rod 20 is always parallel to the transfer parallel rod 23, and the first parallel rod 20 is lifted; the first parallel rod 20 is matched with the transverse groove 28 through the limiting column 22 to drive the lifting rod 18 to slide up and down, the lifting rod 18 drives the first connecting rod 30 to rotate, the first connecting rod 30 drives the transmission rod 29 to rotate around the supporting frame 6, the transmission rod 29 drives the triangular plate 33 to rotate, the triangular plate 33 drives the driven rod 34 to rotate, the driven rod 34 rotates around the supporting frame 6, the first connecting rod 30 is matched with the driven rod 34 to ensure that the direction of the triangular plate 33 is always unchanged, the triangular plate 33 drives the universal wheel 32 to lift, and the universal wheel 32 is in contact with the ground;

then, a pair of bed boards 1 is controlled to slide towards two ends, and the bed boards 1 drive the lifting plates 38 to be matched with the bed boards 1 through a linkage mechanism: the bed plate 1 drives the third connecting rod 41 to rotate, the third connecting rod 41 drives the second rocker 39 to rotate around the supporting plate 2, the second rocker 39 drives the second connecting rod 40 to rotate, and the second connecting rod 40 drives the lifting plate 38 to slide upwards; the two linkage mechanisms are mutually matched to realize the stable ascending of the lifting plate 38, realize the matching of the lifting plate 38 and the bed plate 1 and realize the purpose of prolonging the bed plate 1; the bed board 1 drives the handrail 4 to slide, the handrail 4 slides along the inner rod 35, and finally the patient is helped to lie on the bed board 1 and the lifting plate 38.

The above-described embodiments of the present invention do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.