CN117257570B

CN117257570B - Turning device and bed

Info

Publication number: CN117257570B
Application number: CN202210685357.2A
Authority: CN
Inventors: 张玉焜
Original assignee: Mei Ko Long Metallic Products China Co ltd
Current assignee: Mei Ko Long Metallic Products China Co ltd
Priority date: 2022-06-15
Filing date: 2022-06-15
Publication date: 2026-01-23
Anticipated expiration: 2042-06-15
Also published as: CN117257570A

Abstract

A flipping device and bed are provided to improve the stability of the flipping process. The flipping device includes a flipping part and a driving part, the driving part driving the flipping part to flip left and right. The flipping part has a left end and a right end, the left end is provided with a left rotation axis and the right end is provided with a right rotation axis. The flipping device has a horizontal state, a left flipping state and a right flipping state. In the horizontal state, the left rotation axis is located in a first position and the right rotation axis is located in a second position. The first position and the second position are at the same height, and the left end and the right end of the flipping part are at the same height. In the left flipping state, the left rotation axis is lifted by the driving part and moves away from the first position, the right rotation axis rotates in the second position, and the left end of the flipping part rotates and is lifted around the right rotation axis. In the right flipping state, the right rotation axis is lifted by the driving part and moves away from the second position, the left rotation axis rotates in the first position, and the right end of the flipping part rotates and is lifted around the left rotation axis.

Description

Turning device and bed

Technical Field

The invention relates to a nursing apparatus, in particular to a turnover device and a bed.

Background

The nursing staff needs to help the long-term bedridden patient to turn over left and right, so that the bed is required to have a turnover function, the problem that the turnover process is unstable is often existed in the bed with the turnover function, and the problems that the bedridden patient falls off from the bed and is injured are easily caused by the stumbling of the turnover angular speed.

Disclosure of Invention

The invention aims to provide a turnover device and a bed, which are used for improving the unstable condition of a turnover process.

In a first aspect, the present invention provides a turning device, according to an embodiment of the present invention, the turning device includes a turning part and a driving part, the driving part drives the turning part to turn left and right;

the turnover part is provided with a left end and a right end, the left end is provided with a left rotating shaft, and the right end is provided with a right rotating shaft;

The turnover device is in a horizontal state, a left turnover state and a right turnover state;

In the horizontal state, the left rotating shaft is positioned at a first position, the right rotating shaft is positioned at a second position, the heights of the first position and the second position are the same, and the heights of the left end and the right end of the turnover part are the same;

In the left turning state, the left rotating shaft is lifted by the driving part, and leaves the first position, the right rotating shaft rotates at the second position, and the left end of the turning part rotates around the right rotating shaft to lift;

In the right turning state, the right rotating shaft is lifted by the driving part, and is separated from the second position, the left rotating shaft rotates in the first position, and the right end of the turning part rotates around the left rotating shaft to lift.

In one or more embodiments, the driving part includes a swing link and a tripod;

The swing rod is provided with an upper end and a lower end, the lower end swings around the upper end, and the lower end of the swing rod is provided with a sliding rod;

the tripod is provided with an upper left corner, an upper right corner and a sliding lower corner;

The tripod comprises a left inclined rod, wherein the left inclined rod is provided with a left upper end and a right lower end, and the left upper end of the left inclined rod forms the left upper corner point of the tripod;

the tripod further comprises a right inclined rod, wherein the right inclined rod is provided with a right upper end and a left lower end, and the right upper end of the right inclined rod forms the right upper corner point of the tripod;

The distance between the upper left corner point and the upper right corner point is unchanged;

the right lower end of the left inclined rod is provided with a left inclined slide way, the left inclined slide way is provided with a left upper dead center and a right lower dead center, the left lower end of the right inclined rod is provided with a right inclined slide way, the right inclined slide way is provided with a right upper dead center and a left lower dead center, the left inclined slide way and the right inclined slide way are partially overlapped and penetrated by the sliding rod of the swinging rod, and the sliding rod slides in the left inclined slide way and the right inclined slide way to form the sliding lower corner point of the tripod;

In the horizontal state, the sliding rod is positioned at the left upper dead center of the left inclined slideway and the right upper dead center of the right inclined slideway, the heights of the left upper angular point and the right upper angular point are the same, the left upper angular point and the right upper angular point form an isosceles triangle with the sliding lower angular point, the left rotating shaft is supported at the first position, and the right rotating shaft is supported at the second position;

In the left turning state, the swing rod swings leftwards, the sliding rod rotates leftwards and upwards, the left inclined rod is lifted at the left upper dead center of the left inclined slideway, the left upper corner point is lifted, the left rotating shaft is lifted, the right rotating shaft is supported at the second position, the right inclined rod is driven, the right upper corner point moves leftwards and is kept still, and the sliding rod slides from the right upper dead center to the left lower dead center in the right inclined slideway;

in the right overturning state, the swing rod swings rightwards, the sliding rod rotates rightwards, the right upper dead center of the right inclined slideway lifts the right inclined rod, the right upper corner point lifts the right rotating shaft, the left rotating shaft is supported at the first position, the left inclined rod is driven, the left upper corner point moves rightwards and then remains static, and the sliding rod slides from the left upper dead center to the right lower dead center in the left inclined slideway.

In one or more embodiments, the drive portion further comprises a left vertical bar and a right vertical bar;

The tripod further comprises an upper cross rod, wherein the upper cross rod is provided with a left end and a right end;

the left upper end of the left diagonal rod is rotationally connected with the left end of the upper cross rod to form the left upper corner point of the tripod;

The right upper end of the right inclined rod is rotationally connected with the right end of the upper cross rod to form the right upper corner point of the tripod;

The left vertical rod is provided with an upper end and a lower end, the lower end of the left vertical rod is rotatably connected to the left upper corner point, and the upper end of the left vertical rod is rotatably connected to the left rotating shaft;

the right vertical rod is provided with an upper end and a lower end, the lower end of the right vertical rod is rotatably connected to the right upper corner point, and the upper end of the right vertical rod is rotatably connected to the right rotating shaft;

In the left overturning state, the left upper corner point is lifted, the left vertical rod is lifted, the left rotating shaft is lifted, and the right inclined rod is driven by the upper cross rod;

in the right overturning state, the right upper corner point is lifted, the right vertical rod is lifted, the right rotating shaft is lifted, and the left inclined rod is driven by the upper cross rod.

In one or more embodiments, the left bottom dead center of the right inclined slide limits the limit position of the left overturned state, the sliding rod slides to the left bottom dead center of the right inclined slide, and the left rotating shaft is lifted to the highest;

the right bottom dead center of the left inclined slide way limits the limit position of the right overturning state, the sliding rod slides to the right bottom dead center of the left inclined slide way, and the right rotating shaft is lifted to the highest.

In one or more embodiments, the turning device further includes a fixing portion including a fixing frame, the fixing frame being horizontally disposed and including a front fixing cross bar and a rear fixing cross bar disposed at a front-rear interval, the swing link being disposed at the interval between the rear side of the front fixing cross bar and the front side of the rear fixing cross bar;

The driving part further comprises a rotary vertical rod, the rotary vertical rod is provided with a front end and a rear end, the front end of the rotary vertical rod is rotatably fixed on the front fixing cross rod, the rear end of the rotary vertical rod is rotatably fixed on the rear fixing cross rod, and the upper end of the swing rod is fixed on the middle part of the rotary vertical rod so as to allow the lower end of the swing rod to swing around the upper end of the swing rod.

In one or more embodiments, the upper portions of the front and rear fixed rails are each provided with a rotating collar, the front end of the rotating rail being inserted into the rotating collar of the upper portion of the front fixed rail, and the rear end of the rotating rail being inserted into the rotating collar of the upper portion of the rear fixed rail.

In one or more embodiments, the turning device further includes a fixing portion, where the fixing portion includes a fixing frame, the fixing frame is horizontally disposed and includes a right fixing vertical rod, and the swing rod is disposed on the left side of the right fixing vertical rod;

The driving part further comprises a push rod which is transversely arranged and provided with a left end and a right end, the right end of the push rod is rotatably fixed on the right fixed longitudinal rod, and the left end of the push rod is rotatably fixed on the lower end of the swing rod;

In the horizontal state, the left end of the push rod is static;

in the left turning state, the left end of the push rod stretches leftwards and drives the swing rod to swing leftwards;

in the right overturning state, the left end of the push rod is shortened to the right, and the swing rod is driven to swing to the right.

In one or more embodiments, the turning device further comprises a fixing part, wherein the fixing part comprises a fixing frame, the fixing frame is horizontally arranged and comprises a left fixing longitudinal rod, and the swing rod is arranged on the right side of the left fixing longitudinal rod;

the driving part further comprises a push rod which is transversely arranged and provided with a left end and a right end, the left end of the push rod is rotatably fixed on the left fixed longitudinal rod, and the right end of the push rod is rotatably fixed on the lower end of the swing rod;

in the horizontal state, the right end of the push rod is stationary;

In the left turning state, the right end of the push rod is shortened leftwards, and the swing rod is driven to swing leftwards;

In the right overturning state, the right end of the push rod stretches rightward to drive the swing rod to swing rightward.

In one or more embodiments, the turnover device further comprises a fixing part, wherein the fixing part comprises a fixing frame, the fixing frame is horizontally arranged and comprises a front fixing cross rod, a left supporting seat and a right supporting seat are arranged at the upper part of the front fixing cross rod, and an upward opening is formed at the upper parts of the left supporting seat and the right supporting seat;

the left rotating shaft comprises a left roller and a left shaft body, the left shaft body is provided with a front end, the front end protrudes from the overturning part, and the left roller is rotatably fixed at the front end of the left shaft body;

The right rotating shaft comprises a right roller and a right shaft body, the right shaft body is provided with a front end, the front end protrudes from the overturning part, and the right roller is rotatably fixed at the front end of the right shaft body;

in the horizontal state, the left roller is supported by the left support seat, thereby defining the left rotation axis to be located at the first position, and the right roller is supported by the right support seat, thereby defining the right rotation axis to be located at the second position;

In the left overturning state, the left roller leaves the left supporting seat from the opening, the right roller is supported by the right supporting seat, and the right shaft body rotates relative to the right roller;

in the right overturning state, the right roller leaves the right supporting seat from the opening, the left roller is supported by the left supporting seat, and the left shaft body rotates relative to the left roller.

In one or more embodiments, the turning device further includes a fixing portion including a fixing frame horizontally disposed and including a front fixing rail, a left stopper and a right stopper being disposed at a lower portion of the front fixing rail;

a left limiting shaft is arranged at the left upper end of the left diagonal rod, the left limiting shaft is provided with a front end, and the front end of the left limiting shaft protrudes to form a left limiting part;

the right upper corner point is provided with a right limiting shaft at the right upper end of the right inclined rod, the right limiting shaft is provided with a front end, and the front end of the right limiting shaft protrudes to form a right limiting part;

In the horizontal state, the left limiting part is positioned at the left side of the left stop block and is transversely spaced from the left stop block, and the right limiting part is positioned at the right side of the right stop block and is transversely spaced from the right stop block;

In the left turning state, the left limiting part moves leftwards, and the right limiting part moves leftwards and abuts against the right stop block so as to keep the right upper corner point stationary;

in the right overturning state, the right limiting part moves rightwards, and the left limiting part moves rightwards and abuts against the left stop block, so that the left upper corner point is kept stationary.

In a second aspect, the present invention provides a bed comprising a turning device as described above according to an embodiment of the present invention;

The bed also comprises a bed board, wherein the bed board is transversely arranged and comprises a left wing part, a middle part and a right wing part, the middle part, the left wing part and the right wing part are respectively provided with a left end and a right end, the right end of the left wing part is rotationally connected with the left end of the middle part and is arranged to only allow rotation to the upper side of the middle part, and the right end of the middle part is rotationally connected with the left end of the right wing part and is arranged to only allow rotation to the upper side of the middle part;

The bed plate is arranged at the upper part of the turnover part, the turnover part supports the middle part, the left end of the middle part is arranged at the left side of the left rotating shaft, and the right end of the middle part is arranged at the right side of the right rotating shaft;

In the horizontal state, the bed board and the turnover part below the bed board are bilaterally symmetrical, the left end and the right end of the middle part are the same in height, and the left wing part, the middle part and the right wing part are horizontal;

In the left turning state, the left end of the middle part is lifted by rotating around the right rotating shaft, the left wing part and the middle part form a plane, the right end of the middle part is sunk by rotating around the right rotating shaft, the right wing part is supported so that the right wing part rotates upwards around the right end of the middle part, and a right concave angle is formed between the right wing part and the middle part;

In the right turning state, the right end of the middle part is lifted by rotating around the left rotating shaft, the right wing part and the middle part form a plane, the left end of the middle part is sunk by rotating around the left rotating shaft, the left wing part is supported so that the left wing part rotates upwards around the left end of the middle part, and a left concave angle is formed by the left wing part and the middle part.

Embodiments of the present invention have at least one of the following benefits:

1. The turnover part always has a unique and fixed rotating shaft, namely a left rotating shaft or a right rotating shaft in the turnover process, so that the turnover angular speed of the turnover part is good in controllable degree, constant-speed turnover of the turnover angular speed is easy to realize, and the turnover process is stable.

2. The left rotating shaft and the right rotating shaft which are respectively arranged at the left end and the right end of the turnover part form a longer rotating radius, so that the turnover angular speed of the turnover part is reduced, the turnover controllable degree of the turnover part is improved, the constant-speed turnover of the turnover angular speed is easy to realize, and the turnover process is stable.

3. The overturning part slides on one of the left inclined slideway and the right inclined slideway in the overturning process and the inverse process of the overturning part, and is pushed at the upper dead center of the other one of the left inclined slideway and the right inclined slideway, so that the movement process is smooth and stable, the overturning process and the inverse process are smooth and stable, the comfort level of a bedridden person in overturning is good, and the bedridden person is not easy to fall off from a bed.

4. The shortened/lengthened length of the push rod and the turning angle of the turning part are substantially linear, so that the turning angular speed of the turning part is controllable, the turning angular speed of the turning part is substantially uniform, the turning process is stable, and the bedridden patient is not easy to fall off the bed in the turning process.

Drawings

The above and other features, properties and advantages of the present invention will become more apparent from the following description in conjunction with the accompanying drawings and embodiments, in which:

FIG. 1 is a front view of the flipping unit in a horizontal position;

fig. 2 is a front view of the flipping unit in a left flipped state;

fig. 3 is a front view of the flipping unit in a right flipped state;

FIG. 4 is a perspective view of the flipping unit in a left flipped state;

FIG. 5 is a perspective view of the flipping unit in a right flipped state;

FIG. 6 is a front view of the bed in a horizontal position;

FIG. 7 is a front view of the bed in a left flipped state;

FIG. 8 is a front view of the bed in a right flipped state;

Reference numerals:

1-a turnover device;

The device comprises a 2-turning part, a 5-turning part left end, a 6-turning part right end, a 7-left rotating shaft, an 8-left roller, a 9-left shaft body, a 10-left shaft body front end, a 11-left shaft body rear end, a 12-right rotating shaft, a 13-right roller, a 14-right shaft body, a 15-right shaft body front end and a 16-right shaft body rear end;

The device comprises a 4-fixing part, a 17-fixing frame, a 18-front fixing cross rod, a 19-rear fixing cross rod, a 20-left fixing longitudinal rod, a 21-right fixing longitudinal rod, a 22-left supporting seat, a 23-right supporting seat, a 24-opening, a 25-cup-shaped groove, a 77-left stop block and a 78-right stop block;

3-driving part, 27-swinging rod, 28-tripod, 29-left vertical rod, 30-right vertical rod, 31-swinging rod upper end, 32-swinging rod lower end, 33-sliding rod, 34-front swinging rod, 35-middle swinging rod, 36-rotating vertical rod, 37-rotating vertical rod front end, 38-rotating vertical rod rear end, 39-rotating lantern ring, 40-push rod, 41-push rod left end, 42-push rod right end, 43-rear swinging rod, 44-pin shaft, 45-left upper corner point, 46-right upper corner point, 47-sliding lower corner point, 48-upper cross rod, 49-left diagonal rod, 50-right diagonal rod, 51-upper cross rod left end, 52-upper cross rod right end, 53-left diagonal rod left upper end, 54-left diagonal rod right lower end, 55-right diagonal rod right upper end, 56-right diagonal rod left lower end, 57-left diagonal slide, 58-left upper dead center, 59-left diagonal slide right lower dead center, 60-right diagonal slide, 61-right upper dead center, 62-right diagonal slide lower end, 64-right upper dead center, 64-right lower end, left and 68-right joint limit shaft limit end, and 76-right limit joint front end, and left and right limit shaft limit end, and 76-limit shaft end;

79-bed;

80-bed board, 81-left wing part, 82-middle part, 83-right wing part, 84-left wing part left end, 85-left wing part right end, 86-middle left end, 87-middle right end, 88-right wing part left end, 89-right wing part right end, 93-right concave angle, 94-left concave angle;

90-bedstead, 91-left brace and 92-right brace.

Detailed Description

The present invention will be further described with reference to specific embodiments and drawings, in which more details are set forth in the following description in order to provide a thorough understanding of the present invention, but it will be apparent that the present invention can be embodied in many other forms than described herein, and that those skilled in the art may make similar generalizations and deductions depending on the actual application without departing from the spirit of the present invention, and therefore should not be construed to limit the scope of the present invention in terms of the content of this specific embodiment.

It is noted that these and other figures are merely examples, which are not drawn to scale and should not be construed as limiting the scope of the invention as it is actually claimed.

The terms "first," "second," and the like may be used interchangeably to distinguish one feature from another and are not intended to mean that the various features must be located in the positions shown in the various embodiments.

The turning device 1 has a horizontal state, a left turning state, and a right turning state, fig. 1 to 3 show a structure of the turning device 1 in front view, fig. 1 is in the horizontal state, fig. 2 is in the left turning state, fig. 3 is in the right turning state, fig. 4 and 5 show a three-dimensional structure of the turning device 1, fig. 4 is in the left turning state, and fig. 5 is in the right turning state.

The azimuth terms "left", "right", "transverse" refer to the X direction shown in the drawings, in which the arrow in the X direction points to "left", and the reverse direction to which the arrow in the X direction points to "right". The directional terms "upper", "lower", "vertical" refer to the Z direction shown in the drawings, with the arrow pointing in the Z direction pointing "up" and the reverse direction of the arrow pointing in the Z direction "down". The directional terms "front", "rear", "longitudinal" refer to the Y-direction shown in the drawings, with the arrow pointing in the Y-direction pointing to "front" and the arrow pointing in the Y-direction pointing to "rear".

As shown in fig. 1 to 5, the inverting device 1 includes an inverting part 2, a driving part 3, and a fixing part 4.

With continued reference to fig. 1-5, the flip portion 2 is illustratively a flat frame, which later will be appreciated as the mounting base for the bed deck 80, with the flip portion 2 being disposed generally transversely, having a left end 5 and a right end 6.

With continued reference to fig. 1 to 5, the left end 5 of the turnover part 2 is provided with a left rotation shaft 7, the left rotation shaft 7 is disposed in the longitudinal direction, the left rotation shaft 7 includes a left roller 8 and a left shaft body 9, the left shaft body 9 has a front end 10 and a rear end 11, the left shaft body 9 is fixedly connected with the turnover part 2 and penetrates the turnover part 2, the front end 10 of the left shaft body 9 protrudes from the front side of the turnover part 2 and protrudes from the turnover part 2, the rear end 11 of the left shaft body 9 protrudes from the rear side of the turnover part 2 and protrudes from the turnover part 2, and the left roller 8 is rotatably fixed to the front end 10 of the left shaft body 9 and can rotate around the front end 10 of the left shaft body 9.

With continued reference to fig. 1 to 5, similarly, the right end 6 is provided with a right rotation shaft 12, the right rotation shaft 12 is disposed in the longitudinal direction, the right rotation shaft 12 includes a right roller 13 and a right shaft body 14, the right shaft body 14 has a front end 15 and a rear end 16, the right shaft body 14 is fixedly connected with the turning portion 2 and penetrates the turning portion 2, the front end 15 of the right shaft body 14 protrudes from the front side of the turning portion 2 and protrudes from the turning portion 2, the rear end 16 of the right shaft body 14 protrudes from the rear side of the turning portion 2 and protrudes from the turning portion 2, and the right roller 13 is rotatably fixed to the front end 15 of the right shaft body 14 and is rotatable about the front end 15 of the right shaft body 14.

With continued reference to fig. 1-5, the fixed portion 4 includes a fixed frame 17, and the fixed frame 17 is a generally rectangular frame body disposed horizontally, including a front fixed rail 18, a rear fixed rail 19, a left fixed rail 20, and a right fixed rail 21, and having a space in the center. The front fixing cross bar 18 and the rear fixing cross bar 19 are respectively located at the front and rear of the fixing frame 17, the front fixing cross bar 18 and the rear fixing cross bar 19 are both transversely arranged and have left and right ends, and the front fixing cross bar 18 and the rear fixing cross bar 19 are both fixedly connected with the left fixing vertical bar 20 at the left end and are both fixedly connected with the right fixing vertical bar 21 at the right end. The left fixed vertical rod 20 and the right fixed vertical rod 21 are respectively positioned at the left and right sides of the fixed frame 17, the left fixed vertical rod 20 and the right fixed vertical rod 21 are longitudinally arranged and have front ends and rear ends, and the left fixed vertical rod 20 and the right fixed vertical rod 21 are fixedly connected with the front fixed cross rod 18 at the front ends and are fixedly connected with the rear fixed cross rod 19 at the rear ends.

With continued reference to fig. 1-5, the upper portion of the front fixed rail 18 is provided with left 22 and right 23 support seats. The left support seat 22 is arranged at the left end of the front fixed cross bar 18 and is used for bearing the left roller 8, the left support seat 22 is provided with a cup-shaped groove 25, an upward opening 24 is arranged at the upper part for the left roller 8 to enter and exit the cup-shaped groove 25, and the shape and the size of the lower part are adapted to bear the left roller 8. Similarly, a right support seat 23 is provided at the right end of the front fixed rail 18 for supporting the right roller 13, the right support seat 23 providing a cup-shaped slot 25 with an upwardly facing opening 24 in the upper portion for the right roller 13 to enter and exit the cup-shaped slot 25, and a lower portion sized to accommodate the supporting right roller 13.

With continued reference to fig. 1, the turning device 1 is in a horizontal state, the turning part 2 is horizontal, the left end 5 and the right end 6 of the turning part 2 are at the same height, the left roller 8 is supported by the cup-shaped groove 25 of the left support seat 22, the left rotation shaft 7 is limited to be positioned at a first position, the right roller 13 is supported by the cup-shaped groove 25 of the right support seat 23, the right rotation shaft 12 is limited to be positioned at a second position, and the heights of the first position and the second position are the same.

The driving part 3 drives the turning part 2 to turn right, so that the turning device 1 is changed from a horizontal state to a left turning state. With continued reference to fig. 2 and 4, the turning device 1 is in a left turning state, the left rotating shaft 7 is lifted by the driving part 3, the left roller 8 leaves the cup-shaped groove 25 from the opening 24 of the left supporting seat 22, the left rotating shaft 7 leaves the first position, the right roller 13 is still supported by the cup-shaped groove 25 of the right supporting seat 23, the right shaft body 14 rotates relative to the right roller 13, that is, the right rotating shaft 12 rotates in the second position, the left end 5 of the turning part 2 rotates around the right rotating shaft 12 to lift, and the left end 5 of the turning part 2 is higher than the right end 6. By the reverse action of the above action, the turning device 1 is changed from the left turning state to the horizontal state.

The driving part 3 drives the turning part 2 to turn left, so that the turning device 1 is changed from a horizontal state to a right turning state. With continued reference to fig. 3 and 5, the turning device 1 is in a right turning state, the right rotating shaft 12 is lifted by the driving part 3, the right roller 13 leaves the cup-shaped groove 25 from the opening 24 of the right supporting seat 23, the right rotating shaft 12 leaves the second position, the left roller 8 is still supported by the cup-shaped groove 25 of the left supporting seat 22, the left shaft body 9 rotates relative to the left roller 8, that is, the left rotating shaft 7 rotates in the first position, the right end 6 of the turning part 2 rotates around the left rotating shaft 7 to lift, and the right end 6 of the turning part 2 is higher than the left end 5. By the reverse action of the above action, the turning device 1 is changed from the right turning state to the horizontal state.

It can be understood from the above that the turning part 2 has a single and fixed rotation axis, i.e., the left rotation axis 7 or the right rotation axis 12, all the time in the turning process and the reverse process, which makes the turning angular velocity of the turning part 2 controllable, and it is easy to implement uniform turning with constant turning angular velocity, and the turning process is stable.

It can be further understood from the above that, in the overturning process and the reverse process of the overturning portion 2, one of the left rotating shaft 7 and the right rotating shaft 12 is used as a rotating shaft, the other is used as a driven portion 3 to directly drive, and long rotating radiuses are formed between the left rotating shaft 7 and the right rotating shaft 12 respectively arranged at the left end 5 and the right end 6 of the overturning portion 2, so that the overturning angular speed of the overturning portion 2 is reduced, the overturning controllable degree of the overturning portion 2 is improved, constant-speed overturning of the overturning angular speed is easy to realize, and the overturning process is stable.

With continued reference to fig. 1-5, the drive portion 3 includes a swing link 27, a tripod 28, a left vertical bar 29, and a right vertical bar 30.

With continued reference to fig. 1-5, the swing link 27 is disposed generally vertically and has an upper end 31 and a lower end 32, the lower end 32 swinging about the upper end 31, the lower end 32 of the swing link 27 being provided with a sliding bar 33. In the illustrated embodiment, the swing link 27 is illustratively composed of a front swing link 34 and a middle swing link 35, the front swing link 34 is longitudinally forward, the middle swing link 35 is longitudinally rearward, the front swing link 34 and the middle swing link 35 are disposed at intervals in the front-rear direction, each of the front swing link 34 and the middle swing link 35 is generally vertically disposed with an upper end and a lower end, the lower end of the front swing link 34 is connected with the lower end of the middle swing link 35 through a sliding rod 33, the sliding rod 33 is longitudinally disposed, the front end of the sliding rod 33 is connected with the lower end of the front swing link 34, the rear end of the sliding rod 33 is connected with the lower end of the middle swing link 35, and the sliding rod 33 is illustratively provided with a screw which is threadedly connected with a threaded hole of the lower end of the front swing link 34 and the lower end of the middle swing link 35. The upper end of the front swing link 34 is connected to the upper end of the middle swing link 35 by a rotary vertical link 36 described later.

Compared with a single-piece type swing rod only provided with a front swing rod 34 or a middle swing rod 35, the double-piece type swing rod 27 formed by the front swing rod 34 and the middle swing rod 35 has better structural strength, and when the sliding rod 33 at the lower end 32 is driven and stressed, the swing rod 27 is not easy to deflect and deform, so that stable and consistent motion transmission is realized.

With continued reference to fig. 1-5, in the illustrated embodiment, the swing link 27 is disposed in a space centered in the mount 17, i.e., in a space rearward of the front fixed rail 19 and forward of the rear fixed rail 19. The driving part 3 further comprises a rotary rail 36, the rotary rail 36 being longitudinally arranged with a front end 37 and a rear end 38, the front end 37 and the rear end 38 of the rotary rail 36 being rotatably fixed to the front fixing rail 18 and the rear fixing rail 19, respectively, the upper parts of the front fixing rail 18 and the rear fixing rail 19 being provided with a rotary collar 39, respectively, the rotary collar 39 on the front fixing rail 18 being arranged transversely intermediate the left support seat 22 and the right support seat 23 and thereby defining the position of the rotary collar 39 on the rear fixing rail 19 in the transverse direction, the front end 37 of the rotary rail 36 being inserted into the rotary collar 39 on the front fixing rail 18, the rear end 38 of the rotary rail 36 being inserted into the rotary collar 39 on the rear fixing rail 19, the rotary rail 36 being rotatable relative to the rotary collar 39. The upper end 31 of the swing link 27 is fixed to the middle part of the rotary vertical rod 36, and the upper ends of the front swing link 34 and the middle swing link 35 are fixedly connected to the middle part of the rotary vertical rod 36 and rotate with the rotary vertical rod 36, so that the lower end 32 of the swing link 27 swings around the upper end 31 of the swing link 27, wherein the middle part is between the front end 37 and the rear end 38 of the rotary vertical rod 36, and is not the middle position between the front end 37 and the rear end 38 of the rotary vertical rod 36.

The rotary vertical rod 36 is disposed on the upper sides of the front fixing cross rod 18 and the rear fixing cross rod 19, so that the upper end 31 of the swing rod 27 protrudes out of the upper side of the fixing frame 17, which moves the driving part 3 upwards relative to the fixing frame 17, reduces the size of the driving part 3 protruding out of the lower side of the fixing frame 17, and later, as will be understood, the height of the bed 79 is reduced, the bed can be conveniently moved up and down by a bedridden person, the nursing person can also conveniently assist (e.g. hold up) the bedridden person to move up and down, and meanwhile, the injury caused by the bedridden person falling from the bed is reduced.

With continued reference to fig. 1-5, the drive portion 3 further includes a push rod 40, the push rod 40 being disposed generally laterally and having a left end 41 and a right end 42. In the illustrated embodiment, the push rod 40 is disposed between the right fixed rail 21 and the lateral direction of the swing link 27. The right end 42 of the push rod 40 is rotatably fixed to the right fixed rail 21 and is rotatable to some extent about the right fixed rail 21. The left end 41 of the push rod 40 is rotatably fixed to the lower end 32 of the swing rod 27, and illustratively, a rear swing rod 43 is further disposed at the rear side of the middle swing rod 35 in the longitudinal direction, and likewise, the rear swing rod 43 is disposed generally vertically, the upper end of the rear swing rod 43 is fixedly connected with the middle part of the rotating vertical rod 36, and rotates with the rotating vertical rod 36, and in the longitudinal direction, the push rod 40 is disposed between the middle swing rod 35 and the rear swing rod 43, the left end 41 of the push rod 40 is provided with a pin 44, the pin 44 is disposed longitudinally and has a front end and a rear end, the front end of the pin 44 passes through a hole of the middle swing rod 35 to form a shaft hole rotation connection, and the rear end of the pin 44 passes through a hole of the rear swing rod 43 to form a shaft hole rotation connection, so that the left end 41 of the push rod 40 is rotatably fixed with the lower end 32 of the swing rod 27. The left end 41 of the push rod 40 extends leftwards, the lower end 32 of the driving swing rod 27 swings leftwards, the left end 41 of the push rod 40 shortens rightwards, the lower end 32 of the driving swing rod 27 swings rightwards, the left end 41 of the push rod 40 remains stationary, and the lower end 32 of the swing rod 27 remains stationary. In the illustrated embodiment, the push rod 40 is illustratively an electric push rod. In another or more embodiments, pushrod 40 is another pushrod, such as a hand pushrod.

With continued reference to fig. 1-5, a tripod 28 is disposed at a central interval of the fixed frame 17, longitudinally illustratively between the front 34 and middle 35 swing links, the tripod 28 having an upper left corner 45, an upper right corner 46 and a sliding lower corner 47, the tripod 28 including an upper cross bar 48, a left diagonal bar 49 and a right diagonal bar 50.

With continued reference to fig. 1-5, the upper cross bar 48 is generally laterally disposed, having left and right ends 51 and 52, the upper cross bar 48 being an arcuate bar with left and right ends 51 and 52 projecting upwardly therefrom and recessed centrally in the lateral direction to clear the upper swivel rail 36 thereof, which moves the drive section 3 upwardly relative to the mount 17 to reduce the extent to which the drive section 3 projects beyond the underside of the mount 17, as will be appreciated later, which facilitates a reduction in the height of the bed 79.

With continued reference to fig. 1-5, the left diagonal member 49 is disposed generally obliquely in the transverse vertical plane and has a left upper end 53 and a right lower end 54, the left diagonal member 49 is provided with a left diagonal slide 57 at the right lower end 54, the left diagonal slide 57 extends longitudinally through the left diagonal member 49, the left diagonal slide 57 has a left top dead center 58 and a right bottom dead center 59, the left diagonal slide 57 is arcuate with the left top dead center 58 and the right bottom dead center 59 projecting upwardly and concave downwardly in the middle, and the left diagonal member 49 is shaped to accommodate the left diagonal slide 57 at the right lower end 54, also arcuate.

With continued reference to fig. 1-5, the right diagonal member 50 is disposed generally obliquely in the horizontal-vertical plane, having a right upper end 55 and a left lower end 56, the right diagonal member 50 is provided with a right diagonal slide 60 at the left lower end 56, the right diagonal slide 60 extends longitudinally through the right diagonal member 50, the right diagonal slide 60 has a right upper dead center 61 and a left lower dead center 62, the right diagonal slide 60 is arcuate with the right upper dead center 61 and the left lower dead center 62 projecting upwardly and concave downwardly in the middle, and the right diagonal member 50 is shaped to accommodate the right diagonal slide 60 at the left lower end 56, also arcuate.

With continued reference to fig. 1-5, the left upper end 53 of the left diagonal 49 is rotatably connected to the left end 51 of the upper cross bar 48 to form the left upper corner 45 of the tripod 28. The upper right end 55 of the right diagonal member 50 is pivotally connected to the right end 52 of the upper cross member 48 to form the upper right corner 46 of the tripod 28. Longitudinally, a right diagonal bar 50 is located rearward of the upper cross bar 48, and a left diagonal bar 49 is located rearward of the right diagonal bar 50. The left and right diagonal slides 57, 60 are partially overlapped and penetrated by the sliding bar 33 of the swing link 27, and the sliding bar 33 can slide in the left and right diagonal slides 57, 60 to form the sliding lower corner 47 of the tripod 28.

With continued reference to fig. 1-5, left vertical bar 29 is disposed generally vertically and has an upper end 63 and a lower end 64. Longitudinally, the left vertical rod 29 is disposed at the rear side of the left diagonal rod 49, the lower end 64 of the left vertical rod 29 is rotatably connected to the left upper corner point 45, at the left upper corner point 45, the left upper end 53 of the left diagonal rod 49, the left end 51 of the upper cross rod 48 and the lower end 64 of the left vertical rod 29 are rotatably connected to form a left shaft hole rotary joint 67, the left shaft hole rotary joint 67 includes a left limit shaft 68 as a rotary shaft, the left limit shaft 68 is longitudinally disposed and has a front end 69 and a rear end 70, the front end 69 and the rear end 70 sequentially pass through the holes of the left end 51 of the upper cross rod 48, the left upper end 53 of the left diagonal rod 49 and the lower end 64 of the left vertical rod 29, and the front end 69 of the left limit shaft 68 protrudes beyond the left end 51 of the upper cross rod 48, that is, in other words, protrudes beyond the left shaft hole rotary joint 67 to form a left limit portion 71. The left vertical rod 29 is further disposed at the rear side of the turnover part 2, and the upper end 63 of the left vertical rod 29 is rotatably connected to the left rotary shaft 7, specifically, rotatably connected to the rear end 11 of the turnover part 2 where the left shaft body 9 protrudes.

With continued reference to fig. 1-5, the right vertical bar 30 is disposed generally vertically and has an upper end 65 and a lower end 66. Longitudinally, the right vertical rod 30 is disposed at the rear side of the right diagonal rod 50, the lower end 66 of the right vertical rod 30 is rotatably connected to the right upper corner point 46, at the right upper corner point 46, the right upper end 55 of the right diagonal rod 50, the right end 52 of the upper cross rod 48 and the lower end 66 of the right vertical rod 30 are rotatably connected to form a right shaft hole rotary joint 72, the right shaft hole rotary joint 72 includes a right limiting shaft 73 serving as a rotary shaft, the right limiting shaft 73 is longitudinally disposed and has a front end 74 and a rear end 75, and the front end 74 and the rear end 75 sequentially pass through the holes of the right end 52 of the upper cross rod 48, the right upper end 55 of the right diagonal rod 50 and the lower end 66 of the right vertical rod 30, and the front end 74 of the right limiting shaft 73 protrudes beyond the right end 52 of the upper cross rod 48, that is protruding beyond the right shaft hole rotary joint 72 to form a right limiting portion 76. The right vertical rod 30 is further disposed at the rear side of the turnover part 2, and the upper end 65 of the right vertical rod 30 is rotatably connected to the right rotating shaft 12, specifically, rotatably connected to the rear end 16 of the right shaft body 14 protruding from the turnover part 2.

With continued reference to fig. 1-5, the lower portion of the front fixed rail 18 is provided with left and right stops 77, 78, respectively disposed laterally at the left and right ends of the front fixed rail 18. The left stop 77 is used to limit the movement of the left stop 71 so that the upper left corner point 45 remains stationary and the right stop 78 is used to limit the movement of the right stop 76 so that the upper right corner point 46 remains stationary.

With continued reference to fig. 1, the turning device 1 is in a horizontal state, the left end 41 of the push rod 40 is kept stationary, the swing rod 27 is in an upright state, the sliding rod 33 of the lower end 32 of the swing rod 27 is located at the lowest point, the sliding rod 33 is located at the left upper dead center 58 of the left inclined slide 57 and is located at the right upper dead center 61 of the right inclined slide 60, the left inclined rod 49, the right inclined rod 50, the upper cross rod 48, the left vertical rod 29 and the right vertical rod 30 are completely symmetrical left and right, the left upper corner point 45 and the right upper corner point 46 are at the same height, form an isosceles triangle with the sliding lower corner point 47, the left limit part 71 of the left upper corner point 45 is located at the left side of the left stop 77 and has a small lateral interval with the left stop 77, the right limit part 76 of the right upper corner point 46 is located at the right side of the right stop 78 and has the same small lateral interval with the left stop 77, the left vertical rod 29 and the right vertical rod 30 are in a state, the left roller 8 is supported by the cup-shaped groove 25 of the left support seat 22, the left rotary shaft 7 is defined at the first position, the right roller 13 is supported by the cup-shaped groove 25 of the right support seat 23, the right rotary shaft 12 is defined at the second position, the left rotary shaft 12 is located at the same height as the left end 5 and the right end 6 is at the same height as the turning end 2 is 2. In another embodiment, in the horizontal state, the sliding rod 33 is located near the left top dead center 58 of the left inclined slideway 57 and near the right top dead center 61 of the right inclined slideway 60, and a small distance is formed between the sliding rod 33 and the left top dead center 58 and the right top dead center 61, so as to have a small idle stroke, so that errors of machining, assembling and the like can be compensated, and machining and assembling precision can be reduced, and cost can be reduced.

The driving part 3 drives the turning part 2 to turn right, so that the turning device 1 is changed from a horizontal state to a left turning state. With continued reference to fig. 2 and 4, the turning device 1 is in a left turning state, the left end 41 of the push rod 40 extends leftwards, the swing rod 27 is driven to swing leftwards, the sliding rod 33 at the lower end 32 of the swing rod 27 rotates leftwards and upwards, the left inclined rod 49 is lifted leftwards and upwards at the left top dead center 58 of the left inclined slide 57, so that the left upper corner point 45 moves leftwards and upwards, the left limiting part 71 of the left upper corner point 45 is not limited by the left stop block 77 at the right side thereof, meanwhile, the upper cross rod 48 drives the right inclined rod 50, so that the right corner point 46 moves leftwards, the right limiting part 76 of the right upper corner point 46 moves leftwards, the small transverse interval between the right limiting part 76 and the right stop block 78 is compensated, the right limiting part 76 abuts against the right stop block 78, the right stop block 78 limits the movement of the right limiting part 76, so that the right upper corner point 46 remains stationary, the sliding rod 33 slides leftwards and downwards at the lower dead center 62 at the right inclined slide 60, the left upper corner point 45 rises, so that the left upper corner point 29 lifts the left rotary shaft 7, the left vertical rod 8 leaves the groove 25 from the opening 24 of the left supporting seat 22, the left rotary shaft 7, the left rotating shaft 7 leaves the right supporting seat 14, the left end is still rotates leftwards and right side of the cup-shaped rotary shaft 14, the left rotating shaft 14 rotates around the left end 12, and the left end 2, and the right rotating shaft 12 rotates around the left end 2, and the left rotating shaft 2, and the left end 2 rotates around the left rotating shaft 13. With continued reference to fig. 2 and 4, the left bottom dead center 62 of the right inclined slide 60 restricts the limit position of the left turning state, and when the slide rod 33 slides to the left bottom dead center 62 of the right inclined slide 60, the left rotary shaft 7 is lifted to the highest, and the left end 5 of the turning part 2 is turned to the highest. By the reverse action of the above action, the turning device 1 is changed from the left turning state to the horizontal state.

The driving part 3 drives the turning part 2 to turn left, so that the turning device 1 is changed from a horizontal state to a right turning state. With continued reference to fig. 3 and 5, the turning device 1 is in a right turning state, the left end 41 of the push rod 40 is shortened to the right, the swing rod 27 is driven to swing to the right, the sliding rod 33 at the lower end 32 of the swing rod 27 rotates to the right upwards, the right inclined rod 50 is lifted to the right at the right upper dead center 61 of the right inclined slide 60, the right upper corner point 46 moves upwards to the right, the right limiting part 76 of the right upper corner point 46 moves upwards to the right and is not limited by the right stop 78 at the left side thereof, meanwhile, the upper cross rod 48 also drives the left inclined rod 49, the left corner point 45 moves to the right, the left limiting part 71 of the left upper corner point 45 moves to the right, the small transverse interval between the left limiting part 71 and the left stop 77 is compensated, the left stop 77 limits the movement of the left limiting part 71, the left upper corner point 45 is kept stationary, the sliding rod 33 slides to the right lower dead center 59 at the left inclined slide 57 from the left upper dead center 58, the right upper corner point 46 is lifted to the right 30, the right rotary shaft 12 is lifted to the right 30, the right roller 13 leaves the groove 25 from the opening 24 of the right supporting seat 23, the right rotary shaft 12 leaves the groove 25, the left rotary shaft 8 rotates around the left end 8 at the left end 8, the left end 8 rotates around the left rotary shaft 8, and the left end 8 rotates around the left rotary shaft 2, and the left end 8 rotates around the left rotary shaft 8, and the left end 8 is opposite to the left end 8, and rotates around the left rotary shaft 8. With continued reference to fig. 3 and 5, the right bottom dead center 59 of the left diagonal slide rail 57 restricts the limit position of the right turning state, and when the slide rod 33 slides to the right bottom dead center 59 of the left diagonal slide rail 57, the right rotary shaft 12 is lifted to the highest, and the right end 6 of the turning section 2 is turned to the highest. By the reverse action of the above action, the turning device 1 is changed from the right turning state to the horizontal state.

In another or more embodiments, the push rod 40 is disposed between the left fixed rail 20 and the lateral direction of the swing link 27. The left end 41 of the push rod 40 is rotatably fixed to the left fixed rail 20 and is rotatable to some extent about the left fixed rail 20. The right end 42 of the push rod 40 is rotatably secured to the lower end 32 of the swing link 27. In the horizontal state, the right end 42 of the push rod 40 is kept stationary, the swing link 27 is in the upright state, and the slide lever 33 of the lower end 32 of the swing link 27 is located at the lowest point. In the left-turn state, the right end 42 of the push rod 40 shortens to the left, driving the swing link 27 to swing to the left, and the slide lever 33 of the lower end 32 of the swing link 27 rotates to the left upward. In the right flipped state, the right end 42 of the push rod 40 is extended rightward, driving the swing link 27 to swing rightward, and the slide rod 33 of the lower end 32 of the swing link 27 is rotated rightward and upward.

As can be understood from the above, the turning part 2 slides on one of the left inclined slide rail 57 and the right inclined slide rail 60 during the turning and the reverse thereof, and pushes at the top dead center of the other one thereof, the movement process is smooth and steady, so that the turning and the reverse thereof are smooth and steady, and as can be understood later, the comfort of the bedridden during the turning is good, and the bedridden is not easy to fall from the bed.

It will also be appreciated from the foregoing that in the horizontal state of the tilting device 1, the sliding bar 33 is located at the left top dead center 58 of the left inclined slide 57 and at the right top dead center 61 of the right inclined slide 60, and the portion of the left inclined bar 49 below the left top dead center 58 and the portion of the right inclined bar 50 below the right top dead center 61 are inclined at a large angle, even nearly laterally, which reduces the size of the driving part 3 protruding from the underside of the fixing frame 17, and as will be appreciated later, this is advantageous in reducing the height of the bed 79, facilitating the bedridden person to get on and off the bed, and also facilitating the caregivers to assist (e.g., hold up) the bedridden person to get on and off the bed, while reducing injuries caused by the bedridden person falling from the bed.

It will also be appreciated from the foregoing that the switching between the three states of the turning device 1 is achieved by providing only one push rod 40 in the driving part 3, without requiring multiple motor inputs, and with reduced costs.

It will also be appreciated from the foregoing that the provision of the drive section 3 allows the shortened/lengthened length of the push rod 40 to be substantially linear with the turning angle of the turning section 2, which allows the turning angular velocity of the turning section 2 to be well controlled, the turning angular velocity of the turning section 2 to be substantially uniform, the turning process to be smooth, and as will be appreciated later, which makes it difficult for a bedridden person to fall from the bed during the turning process.

It will also be appreciated from the foregoing that the upender 1 is unitary, facilitates unitary disassembly and assembly, as will be described later, and is also unitary to the bed 79 and facilitates transportation.

The following description of the bed 79 shows the structure of the bed 79 in front view, with the bed 79 in a horizontal state in fig. 6, the bed 79 in a left flipped state in fig. 7, and the bed 79 in a right flipped state in fig. 8.

As shown in fig. 6 to 8, the bed 79 comprises the aforementioned turning device 1.

With continued reference to fig. 6-8, the bed 79 further includes a bed panel 80, the bed panel 80 being laterally disposed, the bed panel 80 including a left wing 81, a middle 82 and a right wing 83, the left wing 81 having a left end 84 and a right end 85, the middle 82 having a left end 86 and a right end 87, the right wing 83 having a left end 88 and a right end 89. The left wing right end 85 is rotatably connected to the middle left end 86 and is configured to allow rotation only to the upper side of the middle section 82 and not to the lower side of the middle section 82. The middle right end 87 is rotatably connected to the right wing left end 88 and is configured to allow rotation only to the upper side of the middle portion 82 and not to the lower side of the middle portion 82. It will be appreciated hereinafter that the left and right wings 81 and 83 are allowed to rotate only to the upper side of the central portion 82 to form a flat plane with the central portion 82 without rotation of the left and right wings 81 and 83 relative to the central portion 82 to form a flat bed surface for a bedridden person to lie.

With continued reference to fig. 7 to 8, the bed plate 80 is disposed at an upper portion of the turnover portion 2, the turnover portion 2 supports a middle portion 82 of the bed plate 80, the middle portion 82 is fixed to the turnover portion 2, a middle left end 86 is left of the left rotation shaft 7, which is understood later such that in a right turnover state, the middle left end 86 is rotated and sunk about the left rotation shaft 7, and a middle right end 87 is right of the right rotation shaft 12, which is understood later such that in a left turnover state, the middle right end 87 is rotated and sunk about the right rotation shaft 12. In the illustrated embodiment, the left wing right end 85 and the right wing left end 88 are partially supported by the flip 2, with the left end 5 of the flip 2 abutting against the left wing right end 85 to not allow the left wing 81 to rotate to the underside of the middle 82, and the right end 6 of the flip 2 abutting against the right wing left end 88 to not allow the right wing 83 to rotate to the underside of the middle 82.

With continued reference to fig. 6, in the horizontal state, the bed plate 80 and the turning part 2 below the bed plate are bilaterally symmetrical, the left end 86 and the right end 97 of the middle part 82 are the same in height, the left wing part 81, the middle part 82 and the right wing part 83 are horizontal, and the bed plate 80 is entirely horizontal to form a flat bed surface for lying down of a bedridden person. In the illustrated embodiment, the bed 79 further includes a bed frame 90, the bed frame 90 including left and right braces 91 and 92, the left and right braces 91 and 92 being longitudinally disposed, the left wing 81 being supported by the left brace 91 in the middle portion in addition to the right end 85 being supported by the turn-over portion 2 in a horizontal state to promote stability of the left wing 81, and the right wing 83 being supported by the right brace 92 in the middle portion in addition to the left end 88 in a horizontal state to promote stability of the right wing 83.

With continued reference to fig. 7, in the left flipped state, the left end 86 of the middle portion 82 is lifted by rotating about the right rotation axis 12, the left wing portion 81 is lifted by rotating away from the left stay 91, and the left wing portion 81 does not rotate relative to the middle portion 82 under the support of the flipping portion 2, and still forms a plane with the middle portion 82, so as to form a flat bed surface for the bedridden to lie. The right end 87 of the middle portion 82 is rotated to sink about the right rotational axis 12, the left end 88 of the right wing 83 is rotated to sink, and the right wing 83 is supported by the right brace 92 in the middle portion, thereby causing the right wing 83 to rotate upwardly about the right end 87 of the middle portion 82, the right wing 83 and the middle portion 82 forming a right reentrant angle 93, which right reentrant angle 93 prevents a bedridden from falling from the bed 79 when the bed is turned over.

With continued reference to fig. 8, in the right flipped state, the right end 87 of the middle portion 82 is lifted by rotating about the left rotation axis 7, the right wing 83 is lifted by rotating, and the right wing 83 is separated from the right stay 92, and is not rotated relative to the middle portion 82 under the support of the flipping portion 2, and still forms a plane with the middle portion 82, so as to form a flat bed surface for the bedridden to lie. The left end 86 of the middle portion 82 is rotated to sink about the left rotation axis 7, the right end 85 of the left wing portion 81 is rotated to sink, and the left wing portion 81 is supported by the left stay 91 in the middle portion, so that the left wing portion 81 is rotated upward about the left end 86 of the middle portion 82, and the left wing portion 81 and the middle portion 82 form a left concave angle 94, and the left concave angle 94 can prevent a bedridden from falling from the bed 79 when the bed is turned over.

As can be understood from the above description, when the bed 79 is turned over, the part of the bed board 80 on which the back of the bedridden person lies is flat, and the side surface of the bedridden person falls into the left concave corner 94 or the right concave corner 93 and is supported by the turned left wing 81 or right wing 83, so that the comfort of the bedridden person is good when the bed is turned over, no direct pushing force is generated on the back, and the bedridden person is not easy to fall from the bed.

Although the invention has been described in terms of embodiments, it is not intended to be limited thereto, and variations and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention.

Claims

1. The turnover device is characterized by comprising a turnover part and a driving part, wherein the driving part drives the turnover part to turn left and right;

In the right turning state, the right rotating shaft is lifted by the driving part, and leaves the second position, the left rotating shaft rotates in the first position, and the right end of the turning part rotates around the left rotating shaft to lift;

Wherein the driving part comprises a swing rod and a tripod;

The right lower end of the left inclined rod is provided with a left inclined slide way, the left inclined slide way is provided with a left upper dead center and a right lower dead center, the left lower end of the right inclined rod is provided with a right inclined slide way, the right inclined slide way is provided with a right upper dead center and a left lower dead center, the left inclined slide way and the right inclined slide way are partially overlapped and penetrated by the sliding rod of the swinging rod, the left inclined slide way and the right inclined slide way are arc-shaped, and the sliding rod slides in the left inclined slide way and the right inclined slide way to form the sliding lower corner point of the tripod;

2. The turning device of claim 1, wherein the drive portion further comprises a left vertical bar and a right vertical bar;

3. The turnover device of claim 1, wherein the left bottom dead center of the right diagonal slide rail limits a limit position of the left turnover state, the slide bar slides to the left bottom dead center of the right diagonal slide rail, and the left rotation shaft is lifted to the highest;

4. The turning device of claim 1, further comprising a fixed portion comprising a fixed mount horizontally disposed and comprising a front fixed rail and a rear fixed rail disposed in a front-to-rear spaced relationship, the pendulum bar disposed at the spacing of the rear side of the front fixed rail and the front side of the rear fixed rail;

5. The turning device of claim 4, wherein the upper portions of the front and rear fixed rails are each provided with a rotating collar, the front end of the rotating vertical rod being inserted into the rotating collar of the upper portion of the front fixed rail, and the rear end of the rotating vertical rod being inserted into the rotating collar of the upper portion of the rear fixed rail.

6. The turning device according to claim 1, further comprising a fixing portion including a fixing frame, the fixing frame being horizontally disposed and including a right fixing vertical rod, the swing lever being disposed at a left side of the right fixing vertical rod;

In the horizontal state, the left end of the push rod is static;

7. The turning device according to claim 1, further comprising a fixing portion including a fixing frame, the fixing frame being horizontally disposed and including a left fixing vertical rod, the swing lever being disposed on a right side of the left fixing vertical rod;

in the horizontal state, the right end of the push rod is stationary;

8. The turning device according to claim 1, further comprising a fixing portion including a fixing frame horizontally arranged and including a front fixing cross bar, the upper portion of the front fixing cross bar being provided with a left support seat and a right support seat, the upper portions of the left support seat and the right support seat having an upward opening;

9. The turning device according to claim 1, further comprising a fixing portion including a fixing frame horizontally arranged and including a front fixing cross bar, a left stopper and a right stopper being provided at a lower portion of the front fixing cross bar;

10. A bed comprising a turning device according to any one of claims 1 to 9;