CN113133875A

CN113133875A - Composite movable folding lifting type bed-chair for protecting and conveying

Info

Publication number: CN113133875A
Application number: CN202110476782.6A
Authority: CN
Inventors: 唐芳; 胡少华; 武彩群; 张倩; 叶永妍; 石任平; 程元元
Original assignee: First Affiliated Hospital of Anhui Medical University
Current assignee: First Affiliated Hospital of Anhui Medical University
Priority date: 2021-04-29
Filing date: 2021-04-29
Publication date: 2021-07-20

Abstract

The invention relates to the technical field of medical auxiliary instruments, in particular to a combined movable folding lifting type bed-protecting and conveying chair; the foldable chair comprises a body, wherein a first supporting plate is fixedly connected to the body, a second supporting plate is rotatably connected to the first supporting plate, a third supporting plate is rotatably connected to the first supporting plate, a pair of handrail frames matched with the first supporting plate are arranged on the body, a supporting plate is arranged below the body, a control block is fixedly connected to the supporting plate, a supporting slide block is slidably connected to the supporting plate, a pair of first adjusting slide columns are slidably connected to the supporting plate, and a pair of second adjusting slide columns are slidably connected to the supporting plate; the problem that medical staff have risks and unstable interconversion between beds and chairs in the patient transfer process due to the fact that nursing difficulty is large and workload is large in the patient nursing process is effectively solved, the work difficulty of the medical staff is greatly reduced, and the work efficiency of the medical staff is improved.

Description

Composite movable folding lifting type bed-chair for protecting and conveying

Technical Field

The invention relates to the technical field of medical auxiliary instruments, in particular to a combined movable folding lifting type bed-protecting and conveying chair.

Background

With the increase of aging, the demand of wheelchairs on the market is more and more large, and many old people are inconvenient to move, so that nursing people are often needed to support the old people when getting on or off the bed, especially, the old people need to get up from the bed and sit on the wheelchairs, which is very inconvenient; in addition, the bed chair in the prior art can generate unstable conditions such as one side inclination and the like in the conversion process between the bed and the chair, thereby greatly increasing the risks of a patient in the use process; therefore, a complex movable folding lifting type nursing and delivering bed chair is urgently needed to solve the current problems.

Disclosure of Invention

In order to solve the problems, the invention provides the combined movable folding lifting type nursing bed chair, which effectively solves the problems that the nursing difficulty of medical staff is high in the patient nursing process, the workload is high, the patient is in danger in the patient transferring process, and the interconversion between the bed chair is unstable, greatly reduces the working difficulty of the medical staff, and improves the working efficiency of the medical staff.

In order to achieve the purpose, the invention provides the following technical scheme; the combined movable folding lifting type bed-and-bed protecting and conveying chair comprises a body, wherein a first supporting plate is fixedly connected to the body, a second supporting plate is rotatably connected to the first supporting plate, a first adjusting mechanism matched with the second supporting plate is arranged in the body, a third supporting plate is rotatably connected to the first supporting plate, a second adjusting mechanism matched with the third supporting plate is arranged in the body, a pair of handrail frames matched with the first supporting plate is arranged on the body, and a third adjusting mechanism matched with the handrail frames is arranged in the body; the first adjusting mechanism, the second adjusting mechanism and the third adjusting mechanism are connected; a supporting plate is arranged below the body, a control block is fixedly connected to the supporting plate, a first lifting mechanism matched with the body is arranged on the control block, a supporting slide block is connected in the supporting plate in a sliding mode, a first supporting mechanism matched with the supporting slide block is arranged in the supporting plate, a pair of first adjusting slide columns are connected in the supporting plate in a sliding mode, a first sliding mechanism matched with the first adjusting slide columns is arranged in the supporting plate, the first supporting mechanism is connected with the first sliding mechanism, and meanwhile the first supporting mechanism is connected with the first adjusting mechanism; a pair of second adjusting sliding columns are connected in the supporting plate in a sliding mode, a first transmission mechanism matched with the second adjusting sliding columns is arranged in the supporting plate, and the first transmission mechanism is connected with the first sliding mechanism.

Further: first adjustment mechanism includes this internal sliding connection's regulation curved gear, regulation curved gear one end and second backup pad rigid coupling, this internal rigid coupling have with regulation curved gear matched with curved gear box, this internal rotation is connected with the first adjusting gear with regulation curved gear engaged with, the coaxial rigid coupling of first adjusting gear has first initiative transmission bevel gear, this internal rotation is connected with the first driven transmission bevel gear with first initiative transmission bevel gear engaged with, the coaxial rigid coupling of first driven transmission bevel gear has first worm wheel, this internal rotation is connected with the first worm with first worm wheel engaged with.

Further: the second adjusting mechanism comprises a third driving bevel gear connected with the body in a rotating mode, a rotating shaft of the third driving bevel gear is connected with a rotating shaft of the first worm gear through a belt wheel, a third driven bevel gear meshed with the third driving bevel gear is connected with the body in a rotating mode, a second driving connecting rod is fixedly connected to two ends of the third driven bevel gear in a coaxial mode, the other end of the second driving connecting rod is rotatably connected with a second driven connecting rod, and the other end of the second driven connecting rod is rotatably connected with a third supporting plate.

Further: the third adjusting mechanism comprises a first driving connecting rod which is rotatably connected in the body, and a rotating shaft of the first driving connecting rod is connected with a rotating shaft of the first worm gear through a belt wheel; the other end of the first driving connecting rod is rotatably connected with a second adjusting connecting rod, and the other end of the second adjusting connecting rod is rotatably connected with the armrest frame; a first driven connecting rod is rotatably connected in the body, the first driven connecting rod is rotatably connected with a second adjusting connecting rod, the other end of the first driven connecting rod is rotatably connected with a first adjusting connecting rod, and the other end of the first adjusting connecting rod is rotatably connected with the armrest frame;

further: the third adjusting mechanisms are connected through belt wheels.

Further: the first lifting mechanism comprises a second worm which is rotationally connected with the control block, a second worm wheel which is matched with the second worm is rotationally connected with the control block, a first screw rod is coaxially and fixedly connected with the second worm wheel, a screw rod sleeve which is matched with the first screw rod is fixedly connected to the body, the screw rod sleeve is in threaded connection with the first screw rod, two pairs of outer supporting sliding columns are fixedly connected to the first supporting plate, and inner supporting sliding columns which are matched with the outer supporting sliding columns are fixedly connected to the supporting plate.

Further: the first supporting mechanism comprises a second driving bevel gear coaxially and fixedly connected with a third driving bevel gear, a second driven bevel gear meshed with the second driving bevel gear is rotatably connected in the body, the second driven bevel gear is coaxially and rotatably connected with a first multi-transmission bevel gear through a spline, a second multi-transmission bevel gear meshed with the first multi-transmission bevel gear is rotatably connected in the control block, a first driving adjusting bevel gear is coaxially and fixedly connected with the second multi-transmission bevel gear, a first driven adjusting bevel gear meshed with the first driving adjusting bevel gear is rotatably connected in the control block, a first sector gear is coaxially and fixedly connected with the first driven adjusting bevel gear, a first function gear rotationally matched with the first sector gear is connected in the control block, a first adjusting worm is coaxially and fixedly connected with the first function gear, and a first adjusting worm gear meshed with the first adjusting worm is rotatably connected in the control block, the first adjusting worm wheel is coaxially and fixedly connected with an adjusting rotating disk, the adjusting rotating disk is rotatably connected with a first function connecting rod, the supporting slide block is fixedly connected with a first fixing connecting rod, and the other end of the first fixing connecting rod is rotatably connected with the first function connecting rod.

Further: the first sliding mechanism comprises a third multi-transmission bevel gear meshed with the first driving adjusting bevel gear in the control block, the third multi-transmission bevel gear is coaxially and fixedly connected with a second driving adjusting bevel gear, the supporting plate is rotatably connected with a second driven adjusting bevel gear meshed with the second driving adjusting bevel gear, the second driven adjusting bevel gear is coaxially and fixedly connected with a second sector gear, a second functional gear matched with the second sector gear is rotatably connected in the supporting plate, a second adjusting worm is coaxially and fixedly connected with the second functional gear, a second adjusting worm wheel meshed with the second adjusting worm is rotatably connected in the supporting plate, a first fixed gear is coaxially and fixedly connected with the second adjusting worm gear, and the first fixed gear is meshed with a rack fixedly connected to the first adjusting sliding column.

Further: the first transmission mechanism comprises a first steering gear which is rotatably connected with the supporting plate, the first steering gear is connected with a first fixed gear through a belt wheel, a second steering gear which is meshed with the first steering gear is rotatably connected with the supporting plate, the second steering gear is connected with a second fixed gear through a belt wheel, and the second fixed gear is meshed with a rack on the second adjusting sliding column; the second fixed gear drives the first adjusting sliding column and the second adjusting sliding column on the other side to slide through the belt wheel, and universal wheels are arranged on the first adjusting sliding column and the second adjusting sliding column.

Compared with the prior art, the gain effect of the invention is as follows:

1. the invention has ingenious conception and simple operation, and the cooperation of the first support plate, the second support plate, the third support plate and the handrail frame realizes the conversion of the patient between the bed and the wheelchair, thereby greatly facilitating the nursing of medical personnel to the patient.

2. The invention has strong creativity and comprehensive functions, and the cooperation between the first sliding mechanism and the first supporting mechanism realizes that the invention is more stable in the conversion process of the bed and the chair, thereby effectively solving the problem that the bed and the chair are unstable in the conversion process in the prior art.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a partial perspective view of the present invention.

Fig. 3 is a perspective view of a partial structure of the present invention.

Fig. 4 is a perspective view of a first adjustment mechanism of the present invention.

Fig. 5 is a perspective view of a third adjustment mechanism of the present invention.

FIG. 6 is an enlarged view of a portion of the structure of the present invention.

Fig. 7 is a perspective view of a second adjustment mechanism of the present invention.

Fig. 8 is a perspective view of the first elevating mechanism of the present invention.

Fig. 9 is a bottom perspective view of the support plate of the present invention.

Fig. 10 is a perspective view of a first support mechanism of the present invention.

Fig. 11 is a perspective view of the internal structure of the support plate of the present invention.

Fig. 12 is a perspective view of the first sliding mechanism of the present invention.

In the figure: 1. a body, 2, a first support plate, 3, a second support plate, 4, a third support plate, 5, a handrail frame, 6, a control block, 7, a support plate, 8, an adjusting arc gear, 9, a first adjusting strut, 10, an arc gear sleeve box, 11, an outer supporting strut, 12, an inner supporting strut, 13, a first adjusting gear, 14, a first driving bevel gear, 15, a first driven bevel gear, 16, a first adjusting link, 17, a first driven link, 18, a second adjusting link, 19, a first driving link, 20, a first worm gear, 21, a first worm, 25, a second driving bevel gear, 26, a second driven bevel gear, 27, a third driving bevel gear, 28, a third driven bevel gear, 29, a second driving link, 30, a second driven link, 31, a first screw, 32, a second worm gear, 33, a second worm, 34. support slider, 35, first multi-drive bevel gear, 36, second multi-drive bevel gear, 37, third multi-drive bevel gear, 38, first driving adjustment bevel gear, 39, first driven adjustment bevel gear, 40, first sector gear, 41, first function gear, 42, first adjustment worm, 43, first adjustment worm gear, 44, adjustment rotary disk, 45, first function link, 46, second adjustment strut, 47, second driving adjustment bevel gear, 48, second driven adjustment bevel gear, 49, second sector gear, 50, second function gear, 51, second adjustment worm, 52, second adjustment worm gear, 53, first fixed gear, 54, first steering gear, 55, second steering gear, 56, second fixed gear, 57, first fixed link, 58, screw sleeve.

Detailed Description

The folding over-and-under type of compound removal protects and send a bed chair, its characterized in that: the foldable armrest comprises a body, wherein a first supporting plate 2 is fixedly connected to the body, a second supporting plate 3 is rotatably connected to the first supporting plate 2, a first adjusting mechanism matched with the second supporting plate 3 is arranged in the body, a third supporting plate 4 is rotatably connected to the first supporting plate 2, a second adjusting mechanism matched with the third supporting plate 4 is arranged in the body, a pair of armrest frames 5 matched with the first supporting plate 2 is arranged on the body, and a third adjusting mechanism matched with the armrest frames 5 is arranged in the body; the first adjusting mechanism, the second adjusting mechanism and the third adjusting mechanism are connected; a supporting plate 7 is arranged below the body, a control block 6 is fixedly connected to the supporting plate 7, a first lifting mechanism matched with the body is arranged on the control block 6, a supporting slide block 34 is connected in the supporting plate 7 in a sliding mode, a first supporting mechanism matched with the supporting slide block 34 is arranged in the supporting plate 7, a pair of first adjusting sliding columns 9 are connected in the supporting plate 7 in a sliding mode, a first sliding mechanism matched with the first adjusting sliding columns 9 is arranged in the supporting plate 7, the first supporting mechanism is connected with the first sliding mechanism, and meanwhile the first supporting mechanism is connected with the first adjusting mechanism; a pair of second adjusting sliding columns 46 are connected in the supporting plate 7 in a sliding mode, a first transmission mechanism matched with the second adjusting sliding columns 46 is arranged in the supporting plate 7, and the first transmission mechanism is connected with the first sliding mechanism.

As shown in fig. 1, 2, 3 and 9: when the medical staff operates the invention and needs to convert the invention into a bed for nursing a patient, the medical staff adjusts the first adjusting mechanism, the first adjusting mechanism drives the second adjusting mechanism, the third adjusting mechanism, the first supporting mechanism, the first sliding mechanism and the first transmission mechanism to move in the process of movement, so that the invention is converted into the bed, in the process, the first supporting mechanism moves to support the invention, so that the first adjusting sliding column 9 and the second adjusting sliding column 46 are separated from the bottom surface, then the first adjusting sliding column 9 and the second adjusting sliding column 46 slide under the action of the first sliding mechanism and the first transmission mechanism, so that the stability of the invention is improved, the problem of poor stability between bed and chair conversions in the prior art is effectively solved, and the first lifting mechanism is arranged, the invention has the advantages of realizing the height adjustment of the bed and the chair by the patient, meeting the requirements of different patients, having ingenious conception and simple operation, effectively solving the problems of high nursing difficulty and high workload of the medical personnel in the nursing process of the patient, risk in the transferring process of the patient and unstable interconversion between the bed and the chair, greatly reducing the working difficulty of the medical personnel and improving the working efficiency of the medical personnel.

The first adjusting mechanism comprises an adjusting arc gear 8 which is connected with the second supporting plate 3 in a sliding manner, one end of the adjusting arc gear 8 is fixedly connected with the second supporting plate 3, an arc gear sleeve box 10 which is matched with the adjusting arc gear 8 is fixedly connected with the body, a first adjusting gear 13 which is meshed with the adjusting arc gear 8 is rotatably connected with the body, a first driving transmission bevel gear 14 is fixedly connected with the first adjusting gear 13 coaxially, a first driven transmission bevel gear 15 which is meshed with the first driving transmission bevel gear 14 is rotatably connected with the body, a first worm wheel 20 is fixedly connected with the first driven transmission bevel gear 15 coaxially, and a first worm 21 which is meshed with the first worm wheel 20 is rotatably connected with the body.

As shown in fig. 3 and 4: medical personnel are when adjusting first adjustment mechanism, medical personnel rotate first worm 21 and drive first worm wheel 20 and rotate, first worm wheel 20 rotates and drives first initiative transmission bevel gear 14 through first driven transmission bevel gear 15 and rotate, first initiative transmission bevel gear 14 rotates and drives 8 through first adjusting gear 13 and slide in arc gear box 10, thereby the slip of arc gear box 10 drives the rotation of second backup pad 3, thereby realize the local change of conversion between the bed chair.

The second adjusting mechanism comprises a third driving bevel gear 27 connected with the rotating shaft of the body in a rotating mode, the rotating shaft of the third driving bevel gear 27 is connected with the rotating shaft of the first worm gear 20 through a belt wheel, a third driven bevel gear 28 meshed with the third driving bevel gear 27 is connected with the body in a rotating mode, two ends of the third driven bevel gear 28 are fixedly connected with a second driving connecting rod 29 coaxially, the other end of the second driving connecting rod 29 is connected with a second driven connecting rod 30 in a rotating mode, and the other end of the second driven connecting rod 30 is connected with the third supporting plate 4 in a rotating mode.

As shown in fig. 6 and 7: medical personnel rotate first worm 21 and drive first worm wheel 20 and rotate the in-process, first worm wheel 20 rotates and drives third drive bevel gear 27 through the band pulley and rotates, third drive bevel gear 27 rotates and drives the second drive connecting rod 29 at third driven drive bevel gear 28 rotation axis both ends through third driven drive bevel gear 28 and rotates, second drive connecting rod 29 rotates and drives second driven connecting rod 30 and move to realize that third backup pad 4 rotates on first backup pad 2.

The third adjusting mechanism comprises a first driving connecting rod 19 which is rotationally connected in the body, and a rotating shaft of the first driving connecting rod 19 is connected with a rotating shaft of a first worm wheel 20 through a belt wheel; the other end of the first driving connecting rod 19 is rotatably connected with a second adjusting connecting rod 18, and the other end of the second adjusting connecting rod 18 is rotatably connected with the armrest frame 5; a first driven connecting rod 17 is rotatably connected in the body, the first driven connecting rod 17 is rotatably connected with a second adjusting connecting rod 18, the other end of the first driven connecting rod 17 is rotatably connected with a first adjusting connecting rod 16, and the other end of the first adjusting connecting rod 16 is rotatably connected with the armrest frame 5;

as shown in fig. 5 and 6: medical personnel are rotating first worm 21 and drive first worm wheel 20 in-process, first worm wheel 20 passes through the band pulley and drives the rotation of 19 one ends of first drive connecting rod, first drive connecting rod 19 rotates and drives the motion of second adjusting connecting rod 18, second adjusting connecting rod 18 drives first driven connecting rod 17 and handrail frame 5 motion in the motion process, first driven connecting rod 17 also drives handrail frame 5 through first adjusting connecting rod 16 simultaneously and moves to realize handrail frame 5's upset motion.

The third adjusting mechanisms are connected through belt wheels.

As shown in fig. 6: the functional integrity of the invention is ensured by the two third adjusting mechanisms connected by the belt wheels.

The first lifting mechanism comprises a second worm 33 which is rotationally connected with the control block 6, a second worm wheel 32 which is matched with the second worm 33 is rotationally connected with the control block 6, the second worm wheel 32 is coaxially and fixedly connected with a first screw rod 31, a screw rod sleeve 58 which is matched with the first screw rod 31 is fixedly connected with the body, the screw rod sleeve 58 is in threaded connection with the first screw rod 31, two pairs of outer supporting sliding columns 11 are fixedly connected with the first supporting plate 2, and inner supporting sliding columns 12 which are matched with the outer supporting sliding columns 11 are fixedly connected with the supporting plate 7.

As shown in fig. 2 and 8: when the medical staff adjusts the height of the invention, the medical staff rotates the second worm 33 to drive the first screw 31 to rotate through the second worm wheel 32, and under the action of the outer support sliding column 11 and the inner support sliding column 12, the first screw 31 rotates to drive the body to lift through the screw sleeve 58.

The first supporting mechanism comprises a second driving bevel gear 25 coaxially and fixedly connected with a third driving bevel gear 27, a second driven bevel gear 26 meshed with the second driving bevel gear 25 is rotatably connected in the body, the second driven bevel gear 26 is coaxially and rotatably connected with a first multi-transmission bevel gear 35 through splines, a second multi-transmission bevel gear 36 meshed with the first multi-transmission bevel gear 35 is rotatably connected in the control block 6, a first driving adjusting bevel gear 38 is coaxially and fixedly connected with the second multi-transmission bevel gear 36, a first driven adjusting bevel gear 39 meshed with the first driving adjusting bevel gear 38 is rotatably connected in the control block 6, a first sector gear 40 is coaxially and fixedly connected with the first driven adjusting bevel gear 39, a first function gear 41 matched with the first sector gear 40 is rotatably connected in the control block 6, and a first adjusting worm 42 is coaxially and fixedly connected with the first function gear 41, a first adjusting worm wheel 43 meshed with the first adjusting worm 42 is rotatably connected in the control block 6, an adjusting rotating disc 44 is coaxially and fixedly connected to the first adjusting worm wheel 43, a first function connecting rod 45 is rotatably connected to the adjusting rotating disc 44, a first fixed connecting rod 57 is fixedly connected to the supporting slide block 34, and the other end of the first fixed connecting rod 57 is rotatably connected to the first function connecting rod 45.

As shown in fig. 9, 10 and 11: the third driving bevel gear 27 drives the second driven bevel gear 26 to rotate through the second driving bevel gear 25 in the rotating process, the second driven bevel gear 26 drives the first multi-drive bevel gear 35 to rotate through splines, the arrangement of the splines ensures the power transmission of the invention in the lifting process, the first multi-drive bevel gear 35 drives the second multi-drive bevel gear 36 and the third multi-drive bevel gear 37 to rotate, the second multi-drive bevel gear 36 drives the first driven adjusting bevel gear 39 to rotate through the first driving adjusting bevel gear 38, the first driven adjusting bevel gear 39 drives the first function gear 41 to rotate through the first sector gear 40, the first function gear 41 drives the first adjusting worm gear 43 to rotate through the first adjusting worm gear 42, the first adjusting worm gear 43 drives the adjusting rotating disk 44 to rotate, the rotation of the adjusting rotating disk 44 drives the supporting slide block 34 to slide in the supporting plate 7 through the first functional connecting rod 45 and the first fixed connecting rod 57, thereby realizing the support of the invention; the cooperation between the first sector gear 40 and the first function gear 41 enables the first support mechanism to move to a certain extent first to support the present invention, and then to move to reset.

The first sliding mechanism comprises a third multi-transmission bevel gear 37 which is meshed with the first driving adjustment bevel gear 38 in the control block 6, a second driving adjustment bevel gear 47 is coaxially and fixedly connected with the third multi-transmission bevel gear 37, a second driven adjustment bevel gear 48 which is meshed with the second driving adjustment bevel gear 47 is rotatably connected with the support plate 7, a second sector gear 49 is coaxially and fixedly connected with the second driven adjustment bevel gear 48, a second function gear 50 which is matched with the second sector gear 49 is rotatably connected with the support plate 7, a second adjustment worm 51 is coaxially and fixedly connected with the second function gear 50, a second adjustment worm gear 52 which is meshed with the second adjustment worm 51 is rotatably connected with the support plate 7, a first fixed gear 53 is coaxially and fixedly connected with the second adjustment worm gear 52, and the first fixed gear 53 is meshed with a rack fixedly connected with the first adjustment sliding column 9.

As shown in fig. 10, 11 and 12: the third multi-transmission bevel gear 37 rotates to drive the second driven adjusting bevel gear 48 to rotate through the second driving adjusting bevel gear 47, the second driven adjusting bevel gear 48 rotates to drive the second functional gear 50 to rotate through the second sector gear 49, the second functional gear 50 rotates to drive the first fixed gear 53 to rotate through the second adjusting worm 51 and the second adjusting worm gear 52, and the first fixed gear 53 rotates to drive the first adjusting strut 9 to slide in the support plate 7, so that the position of the first adjusting strut 9 in the support plate 7 is adjusted, and the stability of the multi-transmission bevel gear-type adjustable support is greatly improved; the cooperation between the second sector gear 49 and the second functional gear 50 realizes the hysteresis of the movement of the first sliding mechanism, and realizes that the first supporting mechanism carries out the first sliding mechanism after supporting the invention, thereby ensuring the feasibility of the function.

The first transmission mechanism comprises a first steering gear 54 which is rotatably connected with the support plate 7, the first steering gear 54 is connected with a first fixed gear 53 through a belt wheel, a second steering gear 55 which is meshed with the first steering gear 54 is rotatably connected with the support plate 7, a second fixed gear 56 is connected with the second steering gear 55 through a belt wheel, and the second fixed gear 56 is meshed with a rack on the second adjusting sliding column 46; the second fixed gear 56 drives the first adjusting sliding column 9 and the second adjusting sliding column 46 on the other side to slide through a belt wheel, and universal wheels are arranged on the first adjusting sliding column 9 and the second adjusting sliding column 46.

As shown in fig. 12: the first fixed gear 53 rotates to drive the first steering gear 54 to rotate through a belt wheel, the first steering gear 54 drives the second fixed gear 56 to rotate through the second steering gear 55 and the belt wheel, the second fixed gear 56 rotates to drive the second adjusting sliding column 46 to rotate in the supporting plate 7, and meanwhile, power transmission of the first sliding mechanism and the first transmission mechanism on the other side is achieved through belt wheel transmission, so that functional integrity is guaranteed.

The working process of the invention is as follows:

as shown in fig. 1, 3, 9 and 11: when the medical staff operates the bed, when the medical staff needs to convert the bed into a bed for nursing a patient, the medical staff adjusts the first adjusting mechanism, and the first adjusting mechanism drives the second adjusting mechanism, the third adjusting mechanism, the first supporting mechanism, the first sliding mechanism and the first transmission mechanism to move in the moving process, so that the conversion of the bed into the bed is realized.

In the process; when a medical worker adjusts the first adjusting mechanism, the medical worker rotates the first worm 21 to drive the first worm wheel 20 to rotate, the first worm wheel 20 rotates to drive the first driving bevel gear 14 to rotate through the first driven bevel gear 15, the first driving bevel gear 14 rotates to drive the first driving bevel gear 8 to slide in the arc gear sleeve box 10 through the first adjusting gear 13, and the arc gear sleeve box 10 slides to drive the second supporting plate 3 to rotate, so that local change of conversion between beds and chairs is realized; when the medical staff rotates the first worm 21 to drive the first worm wheel 20 to rotate, the first worm wheel 20 rotates to drive the third driving bevel gear 27 to rotate through the belt wheel, the third driving bevel gear 27 rotates to drive the second driving connecting rod 29 at two ends of the rotating shaft of the third driven bevel gear 28 to rotate through the third driven bevel gear 28, and the second driving connecting rod 29 rotates to drive the second driven connecting rod 30 to move, so that the third supporting plate 4 rotates on the first supporting plate 2; medical personnel are rotating first worm 21 and drive first worm wheel 20 in-process, first worm wheel 20 passes through the band pulley and drives the rotation of 19 one ends of first drive connecting rod, first drive connecting rod 19 rotates and drives the motion of second adjusting connecting rod 18, second adjusting connecting rod 18 drives first driven connecting rod 17 and handrail frame 5 motion in the motion process, first driven connecting rod 17 also drives handrail frame 5 through first adjusting connecting rod 16 simultaneously and moves, thereby realize handrail frame 5's turn-over motion, the rotation of second backup pad 3 and third backup pad 4 has been realized to this in-process, thereby realize the formation of bed board.

Meanwhile, in the process, the first support mechanism moves firstly to support the invention, so that the first adjusting sliding column 9 and the second adjusting sliding column 46 are separated from the bottom surface, then the sliding of the first adjusting sliding column 9 and the second adjusting sliding column 46 is realized under the action of the first sliding mechanism and the first transmission mechanism, so that the stability of the support of the invention is increased, the third driving bevel gear 27 drives the second driven bevel gear 26 to rotate through the second driving bevel gear 25 in the rotating process, the second driven bevel gear 26 drives the first multi-transmission bevel gear 35 to rotate through splines, the arrangement of the splines ensures the power transmission of the invention in the lifting process, the first multi-transmission bevel gear 35 rotates to drive the second multi-transmission bevel gear 36 and the third multi-transmission bevel gear 37 to rotate, the second multi-transmission bevel gear 36 rotates to drive the first driven adjusting bevel gear 39 to rotate through the first driving bevel gear 38, the first driven adjusting bevel gear 39 rotates to drive the first function gear 41 to rotate through the first sector gear 40, the first function gear 41 rotates to drive the first adjusting worm gear 43 to rotate through the first adjusting worm 42, the first adjusting worm gear 43 rotates to drive the adjusting rotating disk 44 to rotate, and the adjusting rotating disk 44 rotates to drive the supporting slide block 34 to slide in the supporting plate 7 through the first function connecting rod 45 and the first fixed connecting rod 57, so that the support of the invention is realized; the cooperation between the first sector gear 40 and the first functional gear 41 realizes that the first supporting mechanism firstly moves to a certain degree so as to realize the supporting of the invention, and then moves and resets; the third multi-transmission bevel gear 37 rotates to drive the second driven adjusting bevel gear 48 to rotate through the second driving adjusting bevel gear 47, the second driven adjusting bevel gear 48 rotates to drive the second functional gear 50 to rotate through the second sector gear 49, the second functional gear 50 rotates to drive the first fixed gear 53 to rotate through the second adjusting worm 51 and the second adjusting worm gear 52, and the first fixed gear 53 rotates to drive the first adjusting strut 9 to slide in the support plate 7, so that the position of the first adjusting strut 9 in the support plate 7 is adjusted, and the stability of the multi-transmission bevel gear-type adjustable support is greatly improved; the second sector gear 49 and the second functional gear 50 are matched to realize the motion hysteresis of the first sliding mechanism, so that the first sliding mechanism is carried out after the first supporting mechanism supports the invention, and the functional feasibility is ensured; the first fixed gear 53 rotates to drive the first steering gear 54 to rotate through a belt wheel, the first steering gear 54 drives the second fixed gear 56 to rotate through the second steering gear 55 and the belt wheel, the rotation of the second fixed gear 56 not only drives the second adjusting sliding column 46 to rotate in the supporting plate 7, but also realizes the power transmission of the first sliding mechanism and the first transmission mechanism on the other side through belt wheel transmission, so that the functional integrity is ensured; effectively solves the problem of poor stability between the bed and chair conversion in the prior art.

The height of the bed chair can be adjusted by a patient through the arrangement of the first lifting mechanism, when the height of the bed chair is adjusted by medical staff, the medical staff rotates the second worm 33 to drive the first screw 31 to rotate through the second worm wheel 32, and under the action of the outer support sliding column 11 and the inner support sliding column 12, the first screw 31 rotates to drive the body to lift through the screw sleeve 58; the medical nursing bed has the advantages that the requirements of different patients are met, the conception is ingenious, the operation is simple, the problems that nursing difficulty of medical care personnel is high in the patient nursing process, the workload is high, risks exist in the patient transferring process, and interconversion between beds and chairs is unstable are effectively solved, the working difficulty of the medical care personnel is greatly reduced, and the working efficiency of the medical care personnel is improved.

Claims

1. The folding over-and-under type of compound removal protects and send a bed chair, its characterized in that: the foldable armrest comprises a body, wherein a first supporting plate (2) is fixedly connected to the body, a second supporting plate (3) is rotatably connected to the first supporting plate (2), a first adjusting mechanism matched with the second supporting plate (3) is arranged in the body, a third supporting plate (4) is rotatably connected to the first supporting plate (2), a second adjusting mechanism matched with the third supporting plate (4) is arranged in the body, a pair of armrest frames (5) matched with the first supporting plate (2) is arranged on the body, and a third adjusting mechanism matched with the armrest frames (5) is arranged in the body; the first adjusting mechanism, the second adjusting mechanism and the third adjusting mechanism are connected; a supporting plate (7) is arranged below the body, a control block (6) is fixedly connected to the supporting plate (7), a first lifting mechanism matched with the body is arranged on the control block (6), a supporting sliding block (34) is connected in the supporting plate (7) in a sliding mode, a first supporting mechanism matched with the supporting sliding block (34) is arranged in the supporting plate (7), a pair of first adjusting sliding columns (9) is connected in the supporting plate (7) in a sliding mode, a first sliding mechanism matched with the first adjusting sliding columns (9) is arranged in the supporting plate (7), the first supporting mechanism is connected with the first sliding mechanism, and meanwhile the first supporting mechanism is connected with the first adjusting mechanism; a pair of second adjusting sliding columns (46) are connected in the supporting plate (7) in a sliding mode, a first transmission mechanism matched with the second adjusting sliding columns (46) is arranged in the supporting plate (7), and the first transmission mechanism is connected with the first sliding mechanism.

2. The compound mobile folding elevating cot chair according to claim 1, wherein: first adjustment mechanism includes this internal sliding connection's regulation helical gear (8), regulation helical gear (8) one end and second backup pad (3) rigid coupling, this internal rigid coupling have with regulation helical gear (8) matched with helical gear box (10), this internal rotation is connected with and adjusts first adjusting gear (13) of helical gear (8) engaged with, the coaxial rigid coupling of first adjusting gear (13) has first initiative transmission bevel gear (14), this internal rotation is connected with first driven transmission bevel gear (15) with first initiative transmission bevel gear (14) engaged with, the coaxial rigid coupling of first driven transmission bevel gear (15) has first worm wheel (20), this internal rotation is connected with first worm (21) with first worm wheel (20) engaged with.

3. The compound mobile folding elevating cot chair according to claim 2, wherein: the second adjustment mechanism comprises a third driving bevel gear (27) connected with the first worm gear (20) in a rotating mode, a rotating shaft of the third driving bevel gear (27) is connected with a rotating shaft of the first worm gear (20) through a belt wheel, a third driven bevel gear (28) meshed with the third driving bevel gear (27) is connected with the second driving bevel gear in a rotating mode, second driving connecting rods (29) are fixedly connected to two ends of the third driven bevel gear (28) in a coaxial mode, the other end of each second driving connecting rod (29) is rotatably connected with a second driven connecting rod (30), and the other end of each second driven connecting rod (30) is rotatably connected with a third supporting plate (4).

4. The compound mobile folding elevating cot chair according to claim 3, wherein: the third adjusting mechanism comprises a first driving connecting rod (19) which is rotationally connected in the body, and a rotating shaft of the first driving connecting rod (19) is connected with a rotating shaft of a first worm wheel (20) through a belt wheel; the other end of the first driving connecting rod (19) is rotatably connected with a second adjusting connecting rod (18), and the other end of the second adjusting connecting rod (18) is rotatably connected with the armrest frame (5); the body internal rotation is connected with first driven connecting rod (17), and first driven connecting rod (17) rotate with second regulation connecting rod (18) and are connected, and first driven connecting rod (17) other end rotates and is connected with first regulation connecting rod (16), and first regulation connecting rod (16) other end rotates with handrail frame (5) and is connected.

5. The compound mobile folding elevating cot chair according to claim 4, wherein: the third adjusting mechanisms are connected through belt wheels.

6. The compound mobile folding elevating cot chair according to claim 5, wherein: the first lifting mechanism comprises a second worm (33) rotatably connected in a control block (6), a second worm wheel (32) matched with the second worm (33) is rotatably connected in the control block (6), a first screw rod (31) is coaxially fixedly connected to the second worm wheel (32), a screw sleeve (58) matched with the first screw rod (31) is fixedly connected to the body, the screw sleeve (58) is in threaded connection with the first screw rod (31), two pairs of outer supporting sliding columns (11) are fixedly connected to the first supporting plate (2), and inner supporting sliding columns (12) matched with the outer supporting sliding columns (11) are fixedly connected to the supporting plate (7).

7. The compound mobile folding elevating cot chair according to claim 6, wherein: the first supporting mechanism comprises a second driving bevel gear (25) coaxially and fixedly connected with a third driving bevel gear (27), a second driven bevel gear (26) meshed with the second driving bevel gear (25) is rotatably connected in the body, the second driven bevel gear (26) is coaxially and rotatably connected with a first multi-transmission bevel gear (35) through a spline, a second multi-transmission bevel gear (36) meshed with the first multi-transmission bevel gear (35) is rotatably connected in the control block (6), a first driving adjusting bevel gear (38) is coaxially and fixedly connected with the second multi-transmission bevel gear (36), a first driven adjusting bevel gear (39) meshed with the first driving adjusting bevel gear (38) is rotatably connected in the control block (6), a first sector gear (40) is coaxially and fixedly connected in the first driven adjusting bevel gear (39), and a first function gear (41) matched with the first sector gear (40) is rotatably connected in the control block (6), the first function gear (41) is coaxially and fixedly connected with a first adjusting worm (42), a control block (6) is rotationally connected with a first adjusting worm wheel (43) meshed with the first adjusting worm (42), the first adjusting worm wheel (43) is coaxially and fixedly connected with an adjusting rotating disc (44), the adjusting rotating disc (44) is rotationally connected with a first function connecting rod (45), a supporting slide block (34) is fixedly connected with a first fixed connecting rod (57), and the other end of the first fixed connecting rod (57) is rotationally connected with the first function connecting rod (45).

8. The compound mobile folding elevating cot chair according to claim 7, wherein: the first sliding mechanism comprises a third multi-transmission bevel gear (37) which is meshed with the first driving adjustment bevel gear (38) in the control block (6), the third multi-transmission bevel gear (37) is coaxially and fixedly connected with a second driving adjustment bevel gear (47), the support plate (7) is rotatably connected with a second driven adjustment bevel gear (48) which is meshed with the second driving adjustment bevel gear (47), the second driven adjustment bevel gear (48) is coaxially and fixedly connected with a second sector gear (49), the support plate (7) is rotatably connected with a second functional gear (50) which is matched with the second sector gear (49), the second functional gear (50) is coaxially and fixedly connected with a second adjustment worm (51), the support plate (7) is rotatably connected with a second adjustment worm gear (52) which is meshed with the second adjustment worm (51), and the second adjustment worm gear (52) is coaxially and fixedly connected with a first fixed gear (53), the first fixed gear (53) is meshed with a rack fixedly connected to the first adjusting sliding column (9).

9. The compound mobile folding elevating cot chair according to claim 8, wherein: the first transmission mechanism comprises a first steering gear (54) which is rotatably connected with a support plate (7), the first steering gear (54) is connected with a first fixed gear (53) through a belt wheel, a second steering gear (55) which is meshed with the first steering gear (54) is rotatably connected with the support plate (7), the second steering gear (55) is connected with a second fixed gear (56) through a belt wheel, and the second fixed gear (56) is meshed with a rack on a second adjusting sliding column (46); the second fixed gear (56) drives the first adjusting sliding column (9) and the second adjusting sliding column (46) on the other side to slide through the belt wheel, and universal wheels are arranged on the first adjusting sliding column (9) and the second adjusting sliding column (46).