CN115251642A - Electric bed device capable of being automatically adjusted - Google Patents
Electric bed device capable of being automatically adjusted Download PDFInfo
- Publication number
- CN115251642A CN115251642A CN202210519382.3A CN202210519382A CN115251642A CN 115251642 A CN115251642 A CN 115251642A CN 202210519382 A CN202210519382 A CN 202210519382A CN 115251642 A CN115251642 A CN 115251642A
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- Prior art keywords
- waist
- plate
- support
- movable
- frame
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C17/00—Sofas; Couches; Beds
- A47C17/86—Parts or details for beds, sofas or couches only not fully covered in a single one of the sub-groups A47C17/02, A47C17/04, A47C17/38, A47C17/52, A47C17/64, or A47C17/84; Drawers in or under beds
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C19/00—Bedsteads
- A47C19/02—Parts or details of bedsteads not fully covered in a single one of the following subgroups, e.g. bed rails, post rails
- A47C19/021—Bedstead frames
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C19/00—Bedsteads
- A47C19/02—Parts or details of bedsteads not fully covered in a single one of the following subgroups, e.g. bed rails, post rails
- A47C19/021—Bedstead frames
- A47C19/022—Head or foot boards
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Nursing (AREA)
- Invalid Beds And Related Equipment (AREA)
Abstract
The invention discloses an automatically-adjustable electric bed device, which comprises a bed frame, a movable frame, a bed plate group and a movable driving part, wherein the movable frame can slide back and forth relative to the bed frame; the back plate unit is divided into a back plate and a waist plate, one side of the waist plate is set as a rotating fulcrum, the other side of the waist plate is rotatably connected with the back plate and is used as the rotating fulcrum of the back plate, and the back plate and the waist plate are respectively rotatably connected with a first supporting rod and a second supporting rod; the movable driving part comprises a front driving cylinder and a movable connecting rod mechanism, one end of the front driving cylinder is hinged with the bed frame, the other end of the front driving cylinder is rotatably connected with the back plate and the waist plate through the movable connecting rod mechanism, and when the back plate and the waist plate rotate upwards to a certain angle, the back plate can be driven to continue to rotate upwards to a certain angle relative to the waist plate.
Description
Technical Field
The invention relates to the technical field of electric beds, in particular to an electric bed device capable of being automatically adjusted.
Background
Among the prior art is an electric bed, including bedstead and can be for the bedstead fore-and-aft gliding removal frame, and set up the bed board group on removing the frame, and order about the activity driver part of bed board group action, bed board group is including being ordered about the backplate unit that carries out the upset from top to bottom by activity driver part, and when the backplate unit upset, remove the frame and can be along the length direction back-and-forth movement of bedstead.
The back plate of the electric bed is directly connected with the hip plate in a rotating mode, when the electric bed is lifted, the electric cylinder of the moving frame is used for driving the back plate to upwards turn, if the distance from the back plate to a wall is too small, the included angle between the supporting connecting rod (supporting and rotationally connecting the back plate) and the back plate is too small, when the back plate needs to be placed flatly (under the condition of no load), the back plate cannot downwards turn depending on dead weight, the back plate can be placed flatly only depending on the driving of a motor, and the potential safety hazard of clamping hands exists; in addition, the moving distance of the moving frame is large, the requirements on the installation space of the motor and the propelling speed of the motor are high, and the cost is increased.
Disclosure of Invention
The invention aims to provide an electric bed device capable of being automatically adjusted so as to solve the problems in the prior art.
The purpose of the invention is realized as follows: an automatically adjustable electric bed device comprises a bed frame, a movable frame capable of sliding back and forth relative to the bed frame, a bed plate group arranged on the movable frame, and a movable driving part for driving the bed plate group to move, wherein the bed plate group comprises a back plate unit which is driven by the movable driving part to turn over up and down;
the back plate unit is divided into a back plate and a waist plate, one side of the waist plate is set as a rotation fulcrum, the other side of the waist plate is rotatably connected with the back plate and serves as the rotation fulcrum of the back plate, and the back plate and the waist plate are respectively and rotatably connected with a first supporting rod and a second supporting rod which play a role in rotation supporting;
the movable driving part comprises a front driving cylinder and a movable connecting rod mechanism, one end of the front driving cylinder is hinged with the bed frame, the other end of the front driving cylinder is rotatably connected with the back plate and the waist plate through the movable connecting rod mechanism, and when the back plate and the waist plate rotate upwards to a certain angle, the back plate can be driven to continue to rotate upwards to a certain angle relative to the waist plate.
Further, when the back plate is turned upwards to reach a back-up state, an included angle between the back plate and the first supporting rod is smaller than an included angle between the waist plate and the second supporting rod.
Further, the movable connecting rod mechanism comprises a movable support frame and a back connecting rod; the movable support frame is provided with three rotation connecting positions which are distributed in a triangular manner, and the three rotation connecting positions are respectively: the end part of the front driving cylinder is rotatably connected with the movable support frame to form a first hinge point; the movable support frame is rotatably connected with one end of the back connecting rod to form a second hinge point, and the other end of the back connecting rod is rotatably connected with and supports the back plate; the movable support frame is rotatably connected with the lower side of the waist plate to form a third hinge point, and the third hinge point forms a rotating fulcrum of the movable support frame; when the waist support plate is driven, the front driving cylinder props against the first hinge point so that the second hinge point supports the lower side of the back plate in a rotating mode through the back connecting rod, and the third hinge point supports the lower side of the waist plate in a rotating mode.
The invention has the beneficial effects that:
1. the back plate unit is divided into a back plate and a waist plate, the back plate and the waist plate respectively form a rotating support foundation by a back connecting rod and a movable support frame, the movable support frame and the back connecting rod can jointly act only by utilizing a front driving cylinder to drive the movable support frame to generate enough initial moment in a back lifting state, the back plate and the waist plate are lifted upwards at the same time, and the back plate can continuously rotate upwards for a certain angle relative to the waist plate, so that the elevation angle of the back plate is larger, and the back plate conforms to a back curve of a human body after lifting;
2. when the backplate unit upwards overturns to play the back state, the contained angle between back board and the first bracing piece is less than the contained angle between waist board and the second bracing piece, like this for at ordinary times (under the unloaded condition) need put, waist board, back board can rely on the dead weight to overturn downwards, reduce the power consumption of preceding driving cylinder, and can guarantee the security of working process.
Drawings
Fig. 1 is a perspective view one of the present invention.
Fig. 2 is a perspective view two of the present invention.
Fig. 3 is a schematic view of the state in which the bed plate set is laid flat.
Fig. 4 is a schematic view of the state in which the back plate unit is lifted.
Fig. 5 is a schematic view of a state where the back plate is lifted upward.
Fig. 6 is a schematic view of the lumbar support basket in an upwardly turned state.
Detailed Description
The invention is further described with reference to the following figures and specific examples. The front-back direction referred to herein is based on the bed length direction. In addition, all power elements mentioned herein, such as the front drive cylinder 8, the rear drive cylinder 22, the lumbar support extension cylinder 18, are electric cylinders, without excluding air cylinders or other linear drive mechanisms.
As shown in fig. 1 and 2, an automatically adjustable electric bed device includes a bed frame 7, a movable frame 6 capable of sliding back and forth relative to the bed frame 7, a bed plate set disposed on the movable frame 6, and a movable driving member for driving the bed plate set.
In this embodiment, the bed board group is by preceding back board unit, buttock board 3, shank board 4, foot board 5 in proper order backward, and buttock board 3 is fixed on removing the frame 6, and the back board unit is driven by movable driving part and is carried out the upset from top to bottom, and simultaneously, removes frame 6 and also removes thereupon, moves towards the direction of wall 24.
The rear driving cylinder 22 and the stabilizing connecting rod 23 are arranged in the embodiment, two ends of the rear driving cylinder 22 are respectively connected with the moving frame 6 and the leg plate 4 in a rotating mode, one end of the stabilizing connecting rod 23 is connected with the moving frame 6 in a rotating mode, the other end of the stabilizing connecting rod 23 is connected with the leg plate 5 in a rotating mode, the stabilizing connecting rod 23, the leg plate 4 and the leg plate 5 form a parallelogram connecting rod mechanism, and the rear driving cylinder 22 drives the mechanism to move up and down to change positions of thighs and calves of a human body.
Referring to fig. 3 to 6, the back plate unit is divided into a back plate 1 and a waist plate 2, one side of the waist plate 2 is a rotation fulcrum, the other side of the waist plate 2 is connected to the back plate 1 in a rotation manner and serves as a rotation fulcrum of the back plate 1, and the back plate 1 and the waist plate 2 are respectively connected to a first support rod 15 and a second support rod 16 which are connected to the bed frame 7 in a rotation manner and serve as a rotation support in a rotation manner.
The movable driving part comprises a front driving cylinder 8 and a movable connecting rod mechanism, one end of the front driving cylinder 8 is hinged with the bed frame 7, the other end of the front driving cylinder is rotatably connected with the back plate 1 and the waist plate 2 through the movable connecting rod mechanism, when the back plate 1 and the waist plate 2 rotate upwards to a certain angle together, the back plate 1 can be driven to continue to rotate upwards to a certain angle relative to the waist plate 2, and the distance between the back plate 1 and the wall surface 24 is smaller than 50mm.
When the back plate unit turns upwards to a back-up state, the included angle between the back plate 1 and the first supporting rod 15 is smaller than the included angle between the waist plate 2 and the second supporting rod 16, thus, when the back plate unit needs to be placed (under the condition of no load), the waist plate 2 and the back plate 1 can turn downwards by means of dead weight, the power consumption of the front driving cylinder 8 is reduced, and for the purpose of safety, generally used motors on the electric bed are motors which only have thrust and no tension, therefore, the back plate unit needs to fall and be placed flat by means of dead weight, and the included angle between the waist plate 2 and the second supporting rod 16 is larger than the included angle between the back plate 1 and the first supporting rod 15, mainly, on the premise of the same motor stroke, the distance of the movement of the whole back plate 1 towards the direction close to the wall is larger, the distance of the movement required by the moving frame 6 is relatively smaller, and the bed plate group is convenient to fall and place flat.
A pair of bed board supports 17 distributed left and right is fixed on the front side of the bed frame 7, the first support rod 15 is provided with a pair of bed board supports 17 which are respectively connected in a rotating way, the rotating connection point of the first support rod 15 and the bed board supports 17 forms a rotating fulcrum of the first support rod 15, when the back plate 1 is in a flat state, the two bed board supports 17 respectively support the left part and the right part of the lower side of the back plate 1, and at the moment, the bed board group and the bed frame 7 are parallel to each other.
In order to optimize the supporting effect of the back plate 1 and the lumbar plate 2, the pivotal connection point of the second support bar 16 and the frame 7 constitutes the pivot point of the second support bar 16, and the pivot point of the first support bar 15 is higher than the pivot point of the second support bar 16.
The movable connecting rod mechanism comprises a movable supporting frame 9 and a back connecting rod 13.
Above-mentioned movable support frame 9 has three rotation hookup location that is triangular distribution, and three rotation hookup location is respectively:
the end part of the front driving cylinder 8 is rotatably connected with a movable supporting frame 9 to form a first hinge point 10;
the movable support frame 9 is rotatably connected with one end of the back connecting rod 13 to form a second hinge point 11, and the other end of the back connecting rod 13 is rotatably connected with and supports the back plate 1;
the movable supporting frame 9 is rotatably connected with the lower side of the waist plate 2 to form a third hinge point 12, and the third hinge point 12 forms a rotating fulcrum of the movable supporting frame 9.
Wherein, when driving, the front driving cylinder 8 pushes against the first hinge point 10 to make the second hinge point 11 support the underside of the back plate 1 by rotation through the back connecting rod 13, and make the third hinge point 12 support the underside of the lumbar plate 2 by rotation.
As shown in fig. 3, the third hinge point 12 is a position of the movable support 9 closest to the plate surface of the waist plate 2, in the initial state where the back plate 1 and the waist plate 2 are laid flat, in the movable support 9, the third hinge point 12 is at the highest position of the movable support 9 and is relatively close to the front side of the waist plate 2, the first hinge point 10 and the second hinge point 11 are at the bottom of the movable support 9, the height of the second hinge point 11 is between the first hinge point 10 and the third hinge point 12, the second hinge point 11 is relatively close to the front, the first hinge point 10 is relatively close to the rear, the back link 13 is inclined upward relative to the second hinge point 11, the rotation fulcrum of the back link 13 is the second hinge point 11, the support point of the back link 13 is at a higher position and is relatively close to the front edge of the back plate 1, and the back link 13 has a sufficient length so as to maximize the pushing arm of the front driving cylinder 8.
The fixed contact rod 14 that is equipped with near third hinge point 12, is on a parallel with the bed width direction of waist board 2 downside, and the one side that is built by second hinge point 11 and third hinge point 12 of movable support frame 9 is equipped with and supports and lean on groove 9a, and after back board 1 upwards rotates certain angle for waist board 2, the inner wall that supports and lean on groove 9a under the apical force effect of preceding actuating cylinder 8 supports forward, holds up contact rod 14 to the contained angle between locking back board 1 and the waist board 2. The above-mentioned abutment groove 9a is provided as a V-shaped groove, the corner side of which is used to support and abut against the abutment lever 14.
By the above means, it is possible to "when the lumbar plate 2 is rotated upward to a certain angle, the back plate 1 is driven to continue to rotate upward to a certain angle with respect to the lumbar plate 2".
As shown in fig. 3-6, the first stage of the back plate unit flipping upwards: when the bed plate group is in a flat state, the load resistance arm is large, so the load moment is large, so the power arm of the front driving cylinder 8 needs to be large when the bed plate group is just required to be lifted, the speed can be slower, at the moment, the movable support frame 9 and the back connecting rod 13 play a larger role, through the collision and support action of the movable support frame and the back connecting rod, the back plate 1 and the waist plate 2 are integrally turned upwards by a certain angle, meanwhile, the back plate 1 and the waist plate 2 are mutually flush and have the same inclination angle, and at the moment, a certain distance exists between the abutting groove 9a of the movable support frame 9 and the abutting rod 14;
a second stage of the back plate unit turning upwards: then, it is required that the moving speed against the wall is faster and the change of the back angle is faster, the back connecting rod 13 plays a greater role, the movable supporting frame 9 drives the back connecting rod 13 to continuously rotate upwards under the driving of the front driving cylinder 8 by taking the third hinge point 12 as a fulcrum, and the back connecting rod 13 drives the back plate 1 to continuously rotate upwards for a certain angle relative to the waist plate 2. So in general, the waist panel 2 will eventually rise only a small angle, while the back panel 1 will be able to rise as much as a normal bed.
The operation states of the two stages are known as follows: the back link 13 is located opposite the third pivot point 12, also to increase the angle of the first support strut 15 to the back plate 1. However, this results in the back link 13 initially having a small angle with the horizontal (as shown in fig. 3), and if only the back link 13 is used, the thrust force required to be output by the front driving cylinder 8 will be large, so that the movable support frame 9 is required to bear more of the lifting action in the initial stage so as to smoothly perform the starting action in the first stage.
In order to improve the lumbar support performance, the lumbar plate 2 is provided with an abdicating opening 2a and a lumbar support member, the lower side of which is fixed with a bracket body, the lumbar support member includes:
the bearing base 21 is fixedly connected with the bracket body of the waist plate 2 and properly extends downwards;
the waist support frame 19 can rotate and move and can movably penetrate through the abdicating opening 2a, the rotating shaft of the waist support frame 19 is rotationally connected with the bracket body of the waist plate 2, and the whole waist support frame 19 is of a flat frame type structure;
the lumbar support telescopic cylinder 18 is characterized in that two ends of the lumbar support telescopic cylinder 18 are respectively and rotatably connected with the lower end of the bearing base 21 and the lumbar support frame 19 so as to be convenient to start, and the lumbar support frame 19 can be conveniently and smoothly turned upwards to support the lumbar.
When the lumbar support height is changed, the force bearing base 21 is used as a support foundation of the lumbar support telescopic cylinder 18, the lumbar support telescopic cylinder 18 performs corresponding telescopic action, the elevation angle of the lumbar support frame 19 is changed, and therefore the support height of the waist is changed, and the waist of a specific user is more comfortable.
In order to support the waist of the human body better, the support side of the waist support frame 19 is provided with a waist support rod 20 for directly supporting the waist of the human body, the waist support rod 20 is parallel to the width direction of the bed, and the waist support rod 20 is preferably in a round rod shape, so that the friction resistance generated when the waist support rod is contacted with the upper mattress can be reduced.
The support side of the lumbar support basket 19 is located rearward of the rotation axis of the lumbar support basket 19, thereby facilitating the lumbar support. The lumbar support basket 19 and the lumbar support rod 20 are laid on the support body of the lumbar plate 2 in a flat state.
While the preferred embodiments of the present invention have been described, those skilled in the art will appreciate that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. An automatically adjustable electric bed device comprises a bed frame (7), a movable frame (6) which can slide back and forth relative to the bed frame (7), a bed plate group arranged on the movable frame (6), and a movable driving part for driving the bed plate group to move, wherein the bed plate group comprises a back plate unit which is driven by the movable driving part to overturn up and down, and the automatically adjustable electric bed device is characterized in that:
the backboard unit is divided into a back board (1) and a waist board (2), one side of the waist board (2) is set as a rotating fulcrum, the other side of the waist board (2) is rotatably connected with the back board (1) and used as the rotating fulcrum of the back board (1), and the back board (1) and the waist board (2) are respectively and rotatably connected with a first supporting rod (15) and a second supporting rod (16) which play a role in rotating and supporting and are rotatably connected with the bedstead (7);
the movable driving part comprises a front driving cylinder (8) and a movable connecting rod mechanism, one end of the front driving cylinder (8) is hinged with the bed frame (7), the other end of the front driving cylinder is rotatably connected with the back plate (1) and the waist plate (2) through the movable connecting rod mechanism, and when the back plate (1) and the waist plate (2) rotate upwards to a certain angle, the back plate (1) can be driven to continuously rotate upwards to a certain angle relative to the waist plate (2).
2. An automatically adjustable electric bed apparatus according to claim 1, wherein: when the back plate (1) is turned upwards to reach a back-up state, the included angle between the back plate (1) and the first supporting rod (15) is smaller than the included angle between the waist plate (2) and the second supporting rod (16).
3. An automatically adjustable electric bed apparatus according to claim 1, wherein: the movable connecting rod mechanism comprises a movable support frame (9) and a back connecting rod (13);
the movable support frame (9) is provided with three rotation connecting positions which are distributed in a triangular manner, and the three rotation connecting positions are respectively:
the end part of the front driving cylinder (8) is rotatably connected with the movable supporting frame (9) to form a first hinge point (10);
the movable support frame (9) is rotatably connected with one end of the back connecting rod (13) to form a second hinge point (11), and the other end of the back connecting rod (13) is rotatably connected with and supports the back plate (1);
the movable supporting frame (9) is rotatably connected with the lower side of the waist plate (2) to form a third hinge point (12), and the third hinge point (12) forms a rotating fulcrum of the movable supporting frame (9);
when the waist support plate is driven, the front driving cylinder (8) pushes against the first hinge point (10) so that the second hinge point (11) supports the lower side of the back plate (1) through the back connecting rod (13) in a rotating mode, and the third hinge point (12) supports the lower side of the waist plate (2) in a rotating mode.
4. An automatically adjustable electric bed apparatus according to claim 3, wherein: the third hinge point (12) is the position of the movable support frame (9) closest to the surface of the waist plate (2).
5. An automatically adjustable electric bed apparatus according to claim 4, wherein: in the initial state that the back plate (1) and the waist plate (2) are laid flat, in the movable supporting frame (9), the third hinge point (12) is at the highest position of the movable supporting frame (9), the first hinge point (10) and the second hinge point (11) are at the bottom of the movable supporting frame (9), the height of the second hinge point (11) is between the first hinge point (10) and the third hinge point (12), the second hinge point (11) is relatively forward, and the back connecting rod (13) is inclined upwards relative to the second hinge point (11).
6. An automatically adjustable electric bed apparatus according to claim 1, wherein: waist board (2) are equipped with and let an opening (2 a) and lumbar support component, and its downside is fixed with the stake body, lumbar support component includes:
the waist plate comprises a bearing base (21), wherein the bearing base (21) is fixedly connected with a support body of the waist plate (2);
a waist support frame (19) which can rotate and move and can movably pass through the abdication opening (2 a), wherein the rotating shaft of the waist support frame (19) is rotationally connected with the bracket body of the waist plate (2);
the waist support telescopic cylinder (18), the both ends of waist support telescopic cylinder (18) rotate respectively and connect bearing base (21), waist support frame (19).
7. An automatically adjustable electric bed apparatus according to claim 6, wherein: the support side of waist support frame (19) is equipped with lumbar support pole (20) of direct support human waist, lumbar support pole (20) are on a parallel with the bed width direction.
8. An automatically adjustable electric bed apparatus according to claim 6, wherein: the support side of the lumbar support basket (19) is behind the rotation axis of the lumbar support basket (19).
9. An automatically adjustable electric bed apparatus according to claim 7, wherein: the waist support frame (19) and the waist support rod (20) thereof are erected on the support body of the waist plate (2) in a flat state.
10. An automatically adjustable electric bed apparatus according to claim 1, wherein: a pair of bed board supports (17) distributed left and right are fixed on the front side of the bed frame (7), the first support rod (15) is provided with a pair of bed board supports (17) which are respectively connected in a rotating manner, the rotating connection point of the first support rod (15) and the bed board supports (17) forms a rotating fulcrum of the first support rod (15), and when the back plate (1) is in a flat state, the two bed board supports (17) respectively support the left part and the right part of the lower side of the back plate (1);
the rotating connection point of the second support rod (16) and the bedstead (7) forms a rotating fulcrum of the second support rod (16), and the rotating fulcrum of the first support rod (15) is higher than that of the second support rod (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210519382.3A CN115251642A (en) | 2022-05-13 | 2022-05-13 | Electric bed device capable of being automatically adjusted |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210519382.3A CN115251642A (en) | 2022-05-13 | 2022-05-13 | Electric bed device capable of being automatically adjusted |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115251642A true CN115251642A (en) | 2022-11-01 |
Family
ID=83759584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210519382.3A Pending CN115251642A (en) | 2022-05-13 | 2022-05-13 | Electric bed device capable of being automatically adjusted |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115251642A (en) |
-
2022
- 2022-05-13 CN CN202210519382.3A patent/CN115251642A/en active Pending
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