CN113081550A

CN113081550A - Multifunctional separable old-people-assisting bed chair and using method thereof

Info

Publication number: CN113081550A
Application number: CN202110338854.0A
Authority: CN
Inventors: 沈仙法; 刘浩; 夏海涛; 陈孙佩; 姚奇; 刘洋
Original assignee: Sanjiang University
Current assignee: Sanjiang University
Priority date: 2021-03-30
Filing date: 2021-03-30
Publication date: 2021-07-09

Abstract

The invention provides a multifunctional separable old-age-assisting bed chair and a use method thereof, wherein the bed chair comprises a bed body, a bed board, a turning-over lifter, a sitting and standing push rod motor and a wheelchair; the bed body comprises a front frame and a rear frame, the front frame and the rear frame share a main beam, and the rear frame is provided with a notch which extends along the X direction and is used for accommodating the wheelchair; the bed plate comprises a front bed plate and a rear bed plate, and the rear section of the front bed plate is connected with the front section of the rear bed plate through a second connecting hinged support; the front bed plate is provided with a mounting groove which is matched with the auxiliary turning-over plate, and the auxiliary turning-over plate is hinged with the front bed plate; the turnover lifter is used for pushing the auxiliary turnover plate to rotate around the first connecting hinged support and comprises a motor base, and the motor base is hinged with an upper supporting seat; the upper supporting seat is positioned below the auxiliary turning plate; a lifting assembly is arranged between the motor base and the upper support base; the sitting and standing push rod motor is used for pushing the front bed plate to rotate around the second connecting hinged support. The invention can effectively help the old to get on and off the bed, can realize turning over, sitting and standing and leg bending, and has simple operation.

Description

Multifunctional separable old-people-assisting bed chair and using method thereof

Technical Field

The invention belongs to the technical field of nursing equipment, and particularly relates to a multifunctional separable old-people-assisting bed chair and a using method thereof.

Background

With the increase of social aging, more and more old people can only be at home alone. However, the old people have a decline in health status, inconvenient living and moving, and memory deterioration due to age, which brings about a great influence on the life quality of the old people.

However, the old-fashioned mechanical device in the market has the defects of single structure and complex operation, and is not beneficial to popularization. Therefore, a suitable old people who live alone and have limited mobility needs to be provided with the old-age assisting bed.

Disclosure of Invention

The invention aims to provide a multifunctional separable old people assisting bed chair and a using method thereof, which can effectively assist old people to get on or off a bed, can realize turning over, sitting and standing and leg bending, and is simple to operate. In order to achieve the purpose, the invention adopts the following technical scheme:

a multi-functional separable assisted-aging bed chair, comprising:

the bed body comprises a front frame and a rear frame, the front frame and the rear frame share a general beam extending along the Y direction, and the rear frame is provided with a notch extending along the X direction and used for accommodating the wheelchair;

the bed board comprises a front bed board and a rear bed board, the rear bed board covers the rear frame, and the front section of the rear bed board is fixed on the longitudinal beam; the front bed board covers the front frame, and the rear section of the front bed board is connected with the front section of the rear bed board through a second connecting hinged support; the front bed board is provided with an installation groove, the installation groove is matched with an auxiliary turning-over plate, and one side of the auxiliary turning-over plate, which faces the inner side of the front frame, is installed on the front bed board through a first connecting hinged support;

the turnover lifter is used for pushing the auxiliary turnover plate to rotate around the first connecting hinged support and comprises a motor seat fixed on the front frame, and the motor seat is hinged with an upper supporting seat towards one end of the inner side of the front frame; the upper supporting seat is positioned below the auxiliary turning plate; a lifting assembly is arranged between the motor base and the upper support base; the lifting assembly comprises a speed reducing motor fixed on the motor base, an output shaft of the speed reducing motor extends along the Y direction, an output end of the speed reducing motor is hinged with a universal joint, an output end of the universal joint is fixed on a screw rod, a lifting sleeve is sleeved on the screw rod, one end, far away from the screw rod, of the lifting sleeve is hinged to a first vertex of a triangular arm, a push rod is hinged to a second vertex of the triangular arm, a lower fixing rod is sleeved at a third vertex of the triangular arm, and the lower fixing rod is fixed on the motor base; the other end of the push rod is sleeved with an upper fixing rod, and the upper fixing rod is fixed on the upper supporting seat;

the sitting and standing push rod motor is used for pushing the front bed plate to rotate around the second connecting hinged support, the sitting and standing push rod motor is fixed on the front frame, and the output end of the sitting and standing push rod motor is hinged to the bottom surface of the front bed plate;

the wheelchair comprises a wheelchair chassis, wherein chair wheels are arranged on the wheelchair chassis; a wheelchair supporting frame is fixedly arranged on the wheelchair chassis, and the upper part of the wheelchair supporting frame is sequentially hinged with a leg plate and a foot plate; an extension push rod motor used for pushing the leg plate is arranged in the wheelchair supporting frame, the extension push rod motor is fixed on the wheelchair chassis, and the output end of the extension push rod motor is hinged to the bottom surface of the leg plate.

Preferably, the wheelchair supporting frame comprises an upper supporting beam and a lower supporting beam, an upper fixing connecting rod is fixed on the upper supporting beam, and the upper fixing connecting rod extends out of the wheelchair supporting frame along the X direction; a movable connecting rod is hinged between the upper fixed connecting rod and the outer side surface of the foot plate; an inclined fixed connecting rod is fixed between the lower supporting beam and the upper fixed connecting rod; when the movable connecting rod extends along the X direction, the leg plate and the step plate are positioned in the same plane.

Preferably, the wheel chair is a Mecanum wheel, and when the wheel chair is combined with the bed body, the Mecanum wheel realizes the positioning of the wheel chair.

Preferably, a supporting boss and a placing plate are arranged inside the wheelchair supporting frame, a supporting plate is arranged on the supporting boss, and a storage box is clamped between the placing plate and the supporting plate; the top surface of the storage box is open; the gap of the supporting plate is covered with a toilet cover plate.

Preferably, a backrest screw motor is fixed on the wheelchair chassis, an output shaft of the backrest motor extends along the Z direction, and an output end of the backrest screw motor is in threaded connection with a backrest back plate.

Preferably, a slide rail extending along the Z direction is fixed on a support column of the wheelchair support frame, the outer end face of the slide rail is open, an inner guide rail is placed in the slide rail, and the inner side face of the inner guide rail is fixed on the leaning back plate.

A use method of a multifunctional separable old-age assisting bed chair is based on the multifunctional separable old-age assisting bed chair and comprises the following steps: gear motor starts, promotes lifting sleeve, and lifting sleeve promotes the first summit rotation of three horn arms, and the third summit that drives three horn arms rotates the altitude variation in order to realize three horn arms on the dead lever down, and the second summit of three horn arms upwards promotes the push rod, and the support seat opens and shuts on the push rod promotes to realize supplementary standing up.

Compared with the prior art, the invention has the advantages that:

(1) the old man can turn over left and right on the bed through the auxiliary turning-over module. Specifically, gear motor corotation drives the universal joint and rotates, and the universal joint drives the lead screw and rotates, finally realizes lifting the sleeve and moves to preset height. Therefore, the auxiliary turning plate is pushed by the turning lifter to lift the auxiliary turning plate and the first connecting hinged support of the front bed plate by a certain angle, so that auxiliary turning is realized.

(2) The old people can sit on the bed through the auxiliary sitting module. Specifically, the front bed plate is pushed to extend to a preset stroke point around the second connecting hinged support through forward rotation of the sitting and standing push rod motor, and auxiliary sitting and standing are achieved.

(3) The back leaning of the old can be realized by the wheelchair back plate lifting module when the old uses the wheelchair.

(4) The wheelchair moving module is used for separating a bed from a chair, so that the old can move a certain distance.

(5) Can realize through the wheelchair like the lavatory module that the old man can accomplish like the lavatory in bed.

(6) The leg bending of the old is realized through the leg bending module of the wheelchair.

Drawings

FIG. 1 is an overall view of a multifunctional separable assisted-aging bed and chair according to an embodiment of the present invention;

FIG. 2 is a block diagram of the front frame of FIG. 1;

FIG. 3 is a diagram showing the positional relationship between the body-turning lifter and the seat-standing push rod motor in FIG. 1;

fig. 4 is a state diagram of the roll-over lifter of fig. 1;

FIG. 5 is a view of the upper support shown in FIG. 4 with the upper support removed;

FIG. 6 is a left turn assist state diagram;

FIG. 7 is a partial schematic view of the roll-over lift of FIG. 6;

fig. 8 is an installation schematic diagram of the turn-over lifter in fig. 6;

FIG. 9 is a view of the auxiliary sitting position;

FIG. 10 is a diagram showing the working state of the wheelchair with the bed body separated, with the back plate lifted and the auxiliary leg-bending;

FIG. 11 is a partial schematic view of FIG. 10;

FIG. 12 is a state diagram of an auxiliary toileting action;

FIG. 13 is a partial schematic view of the wheelchair;

FIG. 14 is an overall view of a multifunctional separable geriatric chair according to yet another embodiment of the present invention;

fig. 15 is a view of the rear frame of fig. 14 in a state where the legs are opened.

Wherein, 1-bed body, 2-auxiliary turn-over module, 3-auxiliary sitting module, 4-wheelchair backboard lifting module, 5-wheelchair moving module, 6-wheelchair frame, 7-wheelchair toileting module, 8-wheelchair leg bending module, 11-upright post, 12-middle beam, 13-longitudinal support, 14-first connecting piece, 15-cross beam, 16-bed body cross beam, 21-turn-over lifter, 211-fixing nut, 212-push rod, 213-lifting sleeve, 214-triangle arm, 215-universal joint, 216-speed reducing motor, 217-motor base, 22-lifter supporting cross beam, 23-second connecting piece, 24-supporting upright post, 25-first connecting base, 26-auxiliary turn-over hinge plate, 31-front bed plate, 32-sitting push rod motor, 33-push rod motor holder, 34-bolt, 35-second connecting hinge seat, 36-push rod motor holder longitudinal beam support, 37-push rod motor holder cross beam support, 41-lead screw, 42-back lead screw motor, 43-lead screw stepping motor support frame, 44-slide rail, 45-inner guide rail, 46-leaning back plate, 51-driving motor, 52-wheelchair chassis, 53-wheelchair support frame, 54-chair wheel, 71-support boss, 72-support plate, 73-drawer handle, 74-storage box, 75-toilet cover plate, 81-extension push rod motor, 82-link mechanism, 821-fixing screw, 822-upper fixing link, 823-oblique fixing link, 824-dowel pin, 825-moving link, 83-foot plate, 84-leg plate, 85-third joint hinge.

Detailed Description

The present invention will now be described in more detail with reference to the accompanying schematic drawings, in which preferred embodiments of the invention are shown, it being understood that one skilled in the art may modify the invention herein described while still achieving the advantageous effects of the invention. Accordingly, the following description should be construed as broadly as possible to those skilled in the art and not as limiting the invention.

As shown in fig. 1 to 13, a multifunctional separable old people assisting bed-chair comprises: the wheelchair turning bed comprises a bed body 1, an auxiliary turning module 2, an auxiliary sitting module 3, a wheelchair back plate lifting module 4, a wheelchair moving module 5, a wheelchair frame 6, a wheelchair toileting module 7 and a wheelchair leg bending module 8.

The bed body 1 comprises a front frame and a rear frame, the front frame and the rear frame share a main beam extending along the Y direction, and a notch extending along the X direction and used for accommodating a wheelchair is formed in the rear frame. The front frame is taken as an example and comprises upright posts 11, and adjacent upright posts 11 are connected through longitudinal supports 13 or cross beams 15; the front frame is provided with a bed body beam 16 for fixing the bed head. The upright post 11 and the longitudinal support 13, and the longitudinal support 13 and the cross beam 15 are connected through a first connecting piece 14. The front frame also includes a center sill for mounting the roll-over lift 21. Specifically, the middle beam is fixed on a lifting device supporting beam extending along the Y direction, the other end of the lifting device supporting beam 22 is fixed on a supporting longitudinal beam (not shown) of the front frame, and the supporting longitudinal beam is fixed on the bottom surface of the front frame through a supporting upright post 24; the support upright 24 and the support longitudinal beam are connected through a second connecting piece 23. In the present embodiment, "longitudinal direction" means that the first and

second connectors

23 and 25 and the second connecting hinge mount 35 have the same structure in the X direction. In other embodiments than this, as shown in fig. 14 to 15, a leg is hinged to one of the columns 11 of the front and rear frames and is used to support the foot plate 83 when the wheelchair is combined with the bed 1.

The bed board comprises a front bed board 31 and a rear bed board, the rear bed board covers the rear frame, and the front section of the rear bed board is fixed on the longitudinal beam; the front bed board 31 covers the front frame, and the rear section of the front bed board 31 is connected with the front section of the rear bed board through a second connecting hinged support 35; the front bed board 31 is provided with a mounting groove which is matched with an auxiliary turning-over board 26, and one side of the auxiliary turning-over board 26 facing the inner side of the front frame is mounted on the front bed board 31 through a first connecting hinged support 25. Specifically, the second hinge base 35 includes a hinge that is fixed by a bolt 34. In this embodiment, the front bed plate 31 is provided with a left mounting groove and a right mounting groove, both the mounting grooves are matched with an auxiliary turning plate 26, and two auxiliary turning plates 26 are respectively and correspondingly provided with a turning lifter 21.

The auxiliary turn-over module 2 comprises a turn-over lift 21 and an auxiliary turn-over plate 26.

And the turnover lifter 21 is used for pushing the auxiliary turnover plate 26 to rotate around the first connecting hinged support 25 and comprises a motor base 217, an upper supporting base and a lifting assembly.

The motor base 217 is fixed between the middle beam and the support longitudinal beam of the front frame, and the motor base 217 extends along the Y direction; one end (the end facing to the support longitudinal beam) of the motor base 217 facing to the inner side of the front frame is hinged with a hinged support between the motor base and the upper support base; the upper supporting seat is positioned below the auxiliary turning-over plate 26; a lifting assembly is arranged between the motor base 217 and the upper supporting base; the lifting assembly comprises a speed reducing motor 216 fixed on a motor base 217, an output shaft of the speed reducing motor 216 extends along the Y direction, an output end of the speed reducing motor 216 is hinged with a universal joint 215, an output end of the universal joint 215 is fixed on a screw rod, a lifting sleeve 213 is sleeved on the screw rod, one end, far away from the screw rod, of the lifting sleeve 213 is hinged to a first vertex of a triangular arm 214, a second vertex of the triangular arm 214 is hinged with a push rod 212, a third vertex of the triangular arm 214 is sleeved with a lower fixing rod, and the lower fixing rod is fixed on the motor base 217; the other end of the push rod 212 is sleeved on an upper fixing rod, and the upper fixing rod is fixed on the upper supporting seat through a fixing nut 211. The principle of the lifting assembly lifting the auxiliary flipping panel 26: when the speed reducing motor 216 is started, the universal joint 215 drives the screw rod to rotate, and the lifting sleeve 213 rotates and moves along the screw rod, namely, the screw rod and the lifting sleeve 213 are in screw transmission; the lifting sleeve 213 pushes the first vertex of the triangular arm 214 to rotate, drives the third vertex of the triangular arm 214 to rotate on the lower fixing rod so as to realize the height change of the triangular arm 214, the second vertex of the triangular arm 214 pushes the push rod 212 upwards, and the push rod 212 pushes the upper support seat to open and close.

The auxiliary sitting module 3 comprises a sitting push rod motor 32 and a front bed plate 31.

A sitting and standing push rod motor 32 for pushing the front bed plate 31 to rotate around the second connecting hinged support 35, the sitting and standing push rod motor 32 is fixed on a push rod motor fixing support 33 of the front frame, and the output end of the sitting and standing push rod motor 32 is hinged on the bottom surface of the front bed plate 31. The push rod 212 motor fixing frame 33 comprises a push rod 212 motor fixing frame longitudinal beam support 36 and a push rod 212 motor fixing frame cross beam support 37.

The wheelchair leg curl module 8 includes an extension push rod motor 81, a linkage 82, a leg plate 84, and a foot plate 83.

The wheelchair moving module includes a drive motor 51 and a wheel 54. The wheelchair frame 6 includes a wheelchair chassis 52 and a wheelchair support frame 53.

The wheelchair comprises a wheelchair chassis 52, wheels 54 are arranged on the wheelchair chassis 52, and a driving motor 51 is arranged on the wheels 54.

A wheelchair supporting frame 53 is fixedly arranged on the wheelchair chassis 52, the upper part of the wheelchair supporting frame 53 is connected with a leg plate 84 through a third connecting hinged support 85, and the leg plate 84 is hinged with a foot plate 83; an extension push rod motor 81 for pushing the leg plate 84 is arranged in the wheelchair supporting frame 53, the extension push rod motor 81 is fixed on the wheelchair chassis 52, and the output end of the extension push rod motor 81 is hinged on the bottom surface of the leg plate 84.

Further, a linkage 82 is provided on the wheelchair. Specifically, the wheelchair supporting frame 53 comprises an upper supporting beam and a lower supporting beam, an upper fixed connecting rod 822 is fixed on the upper supporting beam, and the upper fixed connecting rod 822 extends out of the wheelchair supporting frame 53 along the X direction; a movable connecting rod 825 is hinged between the upper fixed connecting rod 822 and the outer side surface of the foot plate 83, an inclined fixed connecting rod 823 is fixed between the lower supporting beam and the upper fixed connecting rod 822, and the inclined fixed connecting rod 823 is installed on the other part of the wheelchair supporting frame 53 or the lower supporting beam of the wheelchair supporting frame 53 through a fixing screw; when the moving link 825 extends in the X-direction, the leg plate 84 and the foot plate are in the same plane. Wherein the moving link 825, the upper fixed link 822 and the upper fixed link 822 constitute a link mechanism 82. The positioning pin, a positioning pin 824 is provided on the outer side surface of the leg plate 83, and when the leg plate 84 is retracted, the positioning pin 824 can limit the bending degree of the leg plate 83.

The wheels 54 are Mecanum wheels, which have strong ground-holding power and are driven by a motor with a self-locking function, and when the wheelchair is combined with the bed body 1, the Mecanum wheels realize the positioning and fixing of the wheelchair.

The wheelchair toileting module 7 includes a support boss 71, a support plate 72, a drawer handle 73, a storage box 74, and a toileting cover 75.

A supporting boss 71 and a placing plate are arranged in the wheelchair supporting frame 53, a supporting plate 72 is arranged on the supporting boss 71, a storage box 74 is clamped between the placing plate and the supporting plate 72, and a drawer handle 73 is arranged on the storage box 74; the top surface of the storage box 74 is open; the supporting plate 72 is covered with a cover 75 such as a toilet cover at the notch.

The wheelchair back plate lifting module 4 comprises a back lead screw motor 42, a lead screw stepping motor support frame 43, a slide rail 44, an inner guide rail 45 and a leaning back plate 46.

A lead screw stepping motor support frame 43 is arranged on the wheelchair chassis 52, a back lead screw motor 42 is fixed on the lead screw stepping motor support frame 43, an output shaft (lead screw 41) of the back lead screw motor extends along the Z direction, and the output end of the back lead screw motor 42 is in threaded connection with a back backing plate 46. Further, a slide rail 44 extending along the Z-direction is fixed on a support column of the wheelchair support frame 53, the outer end face of the slide rail 44 is open, an inner guide rail 45 is placed in the slide rail 44, and the inner side face of the inner guide rail 45 is fixed on the leaning back plate 46.

The working principle of the multifunctional separable old-people-assisting bed chair is as follows:

(1) the reduction motor 216 in the bed body 1 rotates forward to drive the universal joint 215 to rotate, the universal joint 215 drives the screw rod to rotate, and the lifting sleeve 213 moves to a preset angle along the screw rod. Therefore, the auxiliary turning-over plate 26 is pushed by the turning-over lifter to lift the auxiliary turning-over plate 26 and the first connecting hinged support 25 of the front bed plate by a certain angle, so that auxiliary turning-over is realized.

(2) In the bed body 1, the forward bed plate 31 is pushed to extend to a preset stroke point around the second connecting hinged support 35 by forward rotation of the sitting and standing push rod motor 32, so as to realize auxiliary sitting and standing.

(3) The backrest screw motor 42 is rotated forward to push the backrest back plate 46 to extend along the slide rails 44 to a preset stroke point, so that the backrest back plate is lifted.

(4) The extension push rod motor 81 pushes the leg plate 84 and drives the link mechanism 82, so that a bending angle is formed between the leg plate 83 and the leg plate 84, thereby completing the auxiliary leg bending.

(5) The Mecanum wheels 54 are driven by the driving motor 51 to drive the wheelchair to move, so that the moving function is realized.

(6) The toilet cover plate 75 can be opened to facilitate toilet use, excrement can be collected through the storage box 74, and when the toilet cover plate needs to be cleaned, the drawer type storage box 74 can be moved outwards along the support plate 72 by pulling the drawer handle 73, so that auxiliary toilet use is completed.

The above description is only a preferred embodiment of the present invention, and does not limit the present invention in any way. It will be understood by those skilled in the art that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A multifunctional separable old-people assisting bed-chair is characterized by comprising:

the bed board comprises a front bed board and a rear bed board, the rear bed board covers the rear frame, and the front section of the rear bed board is fixed on the main beam; the front bed board covers the front frame, and the rear section of the front bed board is connected with the front section of the rear bed board through a second connecting hinged support; the front bed board is provided with an installation groove, the installation groove is matched with an auxiliary turning-over plate, and one side of the auxiliary turning-over plate, which faces the inner side of the front frame, is installed on the front bed board through a first connecting hinged support;

2. The multifunctional separable geriatric chair according to claim 1, wherein the wheelchair support frame comprises an upper support beam and a lower support beam, an upper fixed link secured to the upper support beam, the upper fixed link extending out of the wheelchair support frame in the X-direction; a movable connecting rod is hinged between the upper fixed connecting rod and the outer side surface of the foot plate; an inclined fixed connecting rod is fixed between the lower supporting beam and the upper fixed connecting rod; when the movable connecting rod extends along the X direction, the leg plate and the step plate are positioned in the same plane.

3. The multifunctional separable geriatric chair of claim 1, wherein the wheels are mecanum wheels, and when the wheelchair is coupled to the bed, the mecanum wheels enable positioning of the wheelchair.

4. The multifunctional separable old-fashioned bed chair according to claim 1, wherein a support boss and a placing plate are arranged in the wheelchair support frame, a support plate is arranged on the support boss, and a storage box is clamped between the placing plate and the support plate; the top surface of the storage box is open; the gap of the supporting plate is covered with a toilet cover plate.

5. The multifunctional separable old-fashioned bed chair according to claim 1, wherein a backrest screw motor is fixed on the wheelchair chassis, an output shaft of the backrest screw motor extends along the Z direction, and an output end of the backrest screw motor is in threaded connection with a backrest back plate.

6. The multifunctional separable old-fashioned bed chair as claimed in claim 5, wherein a slide rail extending in the Z direction is fixed to a support column of the wheelchair support frame, the outer end face of the slide rail is open, an inner guide rail is placed in the slide rail, and the inner side face of the inner guide rail is fixed to the leaning back plate.

7. A method for using a multifunctional separable old-fashioned bed chair, which is based on any one of claims 1 to 6, and which comprises: gear motor starts, and it is rotatory that the universal joint drives the lead screw, and lifting sleeve is rotatory and remove along the lead screw, and lifting sleeve promotes the first summit of three horn arms and rotates, and the third summit that drives three horn arms rotates the altitude variation in order to realize three horn arms under on the dead lever, and the second summit of three horn arms upwards promotes the push rod, and the support holder is opened and shut on the push rod promotes to realize supplementary standing up.