CN108741896B - Foldable accompanying bed - Google Patents
Foldable accompanying bed Download PDFInfo
- Publication number
- CN108741896B CN108741896B CN201810841148.6A CN201810841148A CN108741896B CN 108741896 B CN108741896 B CN 108741896B CN 201810841148 A CN201810841148 A CN 201810841148A CN 108741896 B CN108741896 B CN 108741896B
- Authority
- CN
- China
- Prior art keywords
- frame
- rod
- bed board
- cross
- screw rod
- Prior art date
- 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.)
- Active
Links
- 238000010008 shearing Methods 0.000 claims abstract description 30
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000003860 sleep quality Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C19/00—Bedsteads
- A47C19/12—Folding bedsteads
- A47C19/122—Folding bedsteads foldable head to foot only
-
- 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
-
- 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
Landscapes
- Invalid Beds And Related Equipment (AREA)
Abstract
The foldable accompanying bed comprises a first frame, a second frame, a bed board module and a folding structure, wherein the first frame and the second frame are respectively and vertically arranged at two ends of the folding structure; the folding structure comprises a left shearing fork rod group and a right shearing fork rod group, wherein the left shearing fork rod group and the right shearing fork rod group are formed by hinging a plurality of shearing fork units; the bed board module comprises a plurality of bed board units, and every two adjacent bed board units are connected in a folding way through a second connecting part; one side of each bed board unit is connected with a first cross bar in the folding structure through a second connecting part; the two ends of the first cross rod are fixedly connected to the upper end part of the first frame, a screw rod is arranged in the first frame, and the screw rod is connected with the hand-operated wheel; the screw rod is in threaded connection with a screw rod nut arranged on the screw rod, a connecting block is fixedly connected to the screw rod nut, and the connecting block is sleeved on a third cross rod in the folding mechanism. The accompanying bed can be unfolded for rest when in use, and can be folded and folded to be taken under the bedside cabinet when not in use, so that the ward movable space can not be occupied.
Description
Technical Field
The invention belongs to the technical field of medical appliances, and particularly relates to a foldable accompanying bed.
Background
In recent years, the accompanying rate of hospitals is high, the accompanying rate of some hospitals is up to 80%, the hospital beds are insufficient, the bed requirements of accompanying family members are difficult to meet, the ward space is limited, and the bed for rest of accompanying personnel cannot be increased. Most accompanying staff can only sit on the seat for rest when accompanying at night, sleep quality is poor, physical strength and energy cannot be recovered effectively, and difficulty of accompanying is increased.
Disclosure of Invention
The invention provides a foldable accompanying bed, which can be unfolded to lie on the bed for rest when in use and folded when not in use, so that the foldable accompanying bed does not occupy too much movable space of a ward.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a foldable accompanying bed comprises a folding structure, a first frame, a second frame and a bed board module, wherein the first frame and the second frame are respectively and vertically arranged at two ends of the folding structure, and the bed board module is connected with the folding structure;
the folding structure comprises a left shearing fork rod group and a right shearing fork rod group, wherein the left shearing fork rod group and the right shearing fork rod group are formed by hinging a plurality of shearing fork units, the shearing fork units in the left shearing fork rod group and the right shearing fork rod group are in one-to-one correspondence, each shearing fork unit comprises two shearing fork rods, and the two shearing fork rods are arranged in a crisscross manner at the center and are rotationally connected;
every two adjacent scissor units in the left scissor rod group and the right scissor rod group are hinged through the end parts of the scissor rods to realize the rotation connection of the two scissor units; the two opposite scissor units in the left scissor rod group and the right scissor rod group are respectively provided with a cross rod at the hinged position of the end parts of the scissor rods, wherein the cross rods at the end parts of the scissor rods are defined to be a first cross rod at the upper part and a second cross rod at the lower part;
the bed board module comprises a plurality of bed board units, and every two adjacent bed board units are connected in a folding way through a second connecting part; one side of each bed board unit is connected with a first cross bar in the folding structure through a second connecting part, so that the connection between the bed board module and the folding structure is realized; the bed board unit comprises at least one bed board;
the second connecting part comprises two pin shafts and a plurality of connecting pieces, and each connecting piece is provided with two through holes for the two pin shafts to be inserted; the end parts of the two sides of the bed board are provided with pin shaft holes for inserting pin shafts along the length direction;
an extension plate for installing a first cross rod is arranged on a connecting sheet on one side of the bed board unit in a protruding way, and two ends of the first cross rod are fixed on the extension plate of the connecting sheet;
the two ends of the first cross rod are fixedly connected to the upper end part of the first frame, a screw rod is arranged in the first frame in a rotating manner along the vertical direction, and a hand-operated wheel capable of driving the screw rod to rotate is arranged at the top end of the screw rod; the screw rod is in threaded connection with a screw rod nut arranged on the screw rod, a connecting block is fixedly connected to the screw rod nut, and the connecting block is sleeved on a second cross rod in the folding mechanism;
the first horizontal pole both ends fixed connection is in the upper end department of second frame, sets up a polished rod along vertical direction in the second frame, and the cover is equipped with a linear bearing on the polished rod, fixedly connected with connecting block on the linear bearing, and the connecting block cover is in folding mechanism's second horizontal pole.
The foldable accompanying bed with the structure adopts the folding mechanism formed by the scissor units, the rotating hand wheel drives the screw rod to rotate, the screw rod nut ascends or descends along with the rotation of the screw rod, and then the second cross rod of the folding mechanism is driven to ascend or descend, so that the unfolding or folding of the folding mechanism is realized, the bed board is unfolded or folded along with the unfolding or folding of the folding mechanism, and finally the folding accompanying bed is unfolded or folded.
Further, a side vertical plate is fixedly arranged on two sides of the first frame and the second frame.
Further, the first frame is provided with an upper cross beam and a lower cross beam, through holes are formed in the same vertical line of the upper cross beam and the lower cross beam, the top ends of the screw rods penetrate out of the through holes of the upper cross beam through bearing blocks and are connected with the hand-operated wheels, and the bottom ends of the screw rods penetrate through the lower cross beam and are arranged on the bearing blocks.
Further, a chute is formed in the inner side surfaces of the two sides of the first frame along the vertical direction, and the two ends of the second cross rod of the folding mechanism are inserted into the chute and move up and down along the chute; a chute is formed in the inner side surfaces of two sides of the second frame along the vertical direction, and a second cross rod of the folding mechanism is inserted into the chute and moves up and down along the chute.
Further, each bed board unit comprises four small panels, and pin shaft holes for inserting pin shafts are formed in two sides of each small panel along the length direction. The bed board unit is composed of four small panels, so that the processing of the through holes is more convenient.
Further, a third cross rod is arranged at the joint of the centers of the scissors fork rods between the two opposite scissors fork units in the left scissors fork rod group and the right scissors fork rod group. The third cross rod is arranged to strengthen and stabilize the whole folding mechanism.
Further, casters are installed at the bottoms of the first frame and the second frame. The casters are arranged to facilitate the movement of the accompanying bed.
Compared with the prior art, the foldable accompanying bed provided by the invention can be unfolded to provide a place for accompanying personnel to rest when in use, can be folded when not in use, and can be placed below a bedside table beside a sickbed without occupying other movable spaces of the sickbed, and is convenient to use.
Drawings
Fig. 1 is a schematic view of a foldable accompanying bed according to an embodiment of the present invention.
Fig. 2 is a schematic view showing connection of a bed board unit of a foldable accompanying bed according to an embodiment of the present invention.
Fig. 3 is a schematic view of a small panel of a foldable accompanying bed according to an embodiment of the invention.
Fig. 4 is a top view of a foldable accompanying bed according to an embodiment of the invention after being unfolded.
Detailed Description
Examples
For a better understanding of the present invention, the following examples are further illustrated, but are not limited to the following examples.
As shown in fig. 1, fig. 2, fig. 3 and fig. 4, a foldable accompanying bed comprises a folding structure, a first frame 1, a second frame 2 and a bed board, wherein the first frame 1 and the second frame 2 are respectively and vertically arranged at two ends of the folding structure, the bed board module is connected with the folding structure, the first frame 1 and the second frame 2 are aluminum profile frames, the first frame 1 and the second frame 2 are respectively provided with an upper cross beam, a lower cross beam and a left side panel and a right side panel, and a side vertical plate 13 is fixedly arranged on the outer sides of the left side panel and the right side panel of the first frame 1 and the second frame 2.
The folding structure in the embodiment comprises a left fork rod group and a right fork rod group, wherein the left fork rod group and the right fork rod group are formed by hinging a plurality of fork units, the fork units in the left fork rod group and the right fork rod group are arranged in a one-to-one correspondence manner, each fork unit comprises two fork rods, and the two fork rods are arranged in a crisscross manner at the center and are rotationally connected; every two adjacent scissor units in the left scissor rod group and the right scissor rod group are hinged through the end parts of the scissor rods to realize the rotation connection of the two scissor units; the two opposite scissor units in the left scissor rod group and the right scissor rod group are respectively provided with a cross rod at the hinged position of the end parts of the scissor rods, a first cross rod 3 is arranged above the cross rods of the end parts of the scissor rods, and a second cross rod 4 is arranged below the cross rods of the end parts of the scissor rods; and a third cross rod 5 is arranged at the hinging position of the center of the scissor rod between two opposite scissor units in the left scissor rod group and the right scissor rod group, and the folding mechanism can be more stable by arranging the third cross rod.
The two ends of the first cross rod 3 are fixedly arranged at the upper end parts of the two side panels of the first frame 1, a screw rod 6 is arranged in the middle of the first frame 1 in a rotating way along the vertical direction, a hand-operated wheel 14 capable of driving the screw rod 6 to rotate is arranged at the top end of the screw rod 6, a through hole is formed in the position, located in the same vertical line, of the upper cross beam and the lower cross beam of the first frame 1, the top end of the screw rod 6 penetrates out of the through hole of the upper cross beam through a bearing seat and is connected with the hand-operated wheel, and the bottom end of the screw rod 6 penetrates through the lower cross beam and is arranged on the bearing seat; the screw rod 6 is in threaded connection with a screw rod nut 7 arranged on the screw rod 6, a connecting block 8 is fixedly connected to the screw rod nut 7, the connecting block 8 is sleeved on the second cross rod 4 in the folding mechanism, and two casters 12 are arranged on two sides of the lower cross beam of the first frame 1.
The upper end department of two side board of first horizontal pole 3 fixed mounting at second frame 2, set up a polished rod 9 along vertical direction in the middle of the second frame 2, the top of polished rod 9 sets up on the entablature of second frame 2, the bottom of polished rod 9 passes through the bearing frame to be installed on the entablature of second frame 2, the cover is equipped with a linear bearing on polished rod 9, fixedly connected with connecting block 8 on the linear bearing, and connecting block 8 suit is in folding mechanism's second horizontal pole 4, truckle 12 is all installed to the both sides of the entablature of second frame 2.
The inner side surfaces of the two side panels of the first frame 1 are respectively provided with a chute along the vertical direction, and the two ends of the second cross rod 4 of the folding mechanism are inserted into the chute and move up and down along the chute; the inner side surfaces of the two side panels of the second frame 2 are also provided with a chute along the vertical direction, and the two ends of the second cross rod 4 of the folding mechanism are inserted into the chute and move up and down along the chute.
The bed board module in the embodiment comprises a plurality of bed board units, and every two adjacent bed board units are connected in a folding way through a second connecting part; the second connecting part comprises two pin shafts 11 and a plurality of connecting pieces 10, and each connecting piece 10 is provided with two through holes (10-1) for inserting the two pin shafts 11; one side of each bed board unit is connected with a first cross rod 3 in the folding structure through a second connecting part, so that the connection between the bed board module and the folding structure is realized, an extension board for installing the first cross rod 3 is arranged on a connecting sheet 10 positioned on one side of the bed board unit in a protruding way, and two ends of the first cross rod 3 are fixed on the extension board of the connecting sheet 10; in this embodiment, each bed board unit comprises four small panels, the structure of each small panel is shown in fig. 3, pin shaft holes for inserting pin shafts 11 are formed in two sides of each small panel along the length direction, a notch is formed in each of four corners of each small panel, and a connecting piece 10 of the second connecting part can be just arranged on the notch of each small panel during connection, so that the bed board module can be kept flat after the accompanying bed is unfolded, and the use is more comfortable; each bed board unit is divided into four small panels, so that the area of a single bed board is reduced, and the processing of through holes is facilitated.
The hand wheel 14 is rocked, the screw rod 6 rotates under the drive of the hand wheel 14, so that the connecting block 8 connected with the screw rod nut 7 is driven to move upwards, the second cross rod 4 positioned in the first frame 1 is driven to move upwards along the sliding grooves at two sides of the first frame 1, the shearing fork units do shearing movement, the second cross rod 4 positioned in the second frame 2 also moves upwards in the sliding grooves at two sides of the second frame 2 along with the shearing movement, and the foldable accompanying bed is gradually stretched until all bed board units are positioned on the same horizontal plane, so that places for rest can be provided for accompanying personnel; the hand wheel 14 is rocked in the opposite direction, the screw rod 6 rotates under the drive of the hand wheel 14, so that the connecting block 8 connected with the screw rod nut 7 is driven to move downwards, the second cross rod 4 positioned in the first frame 1 moves downwards along the sliding grooves on two sides of the first frame 1, the second cross rod 4 positioned in the second frame 2 also moves downwards along with the sliding grooves on two sides of the second frame 2, the foldable accompanying bed gradually contracts, and the bed board is gradually inclined along with the foldable accompanying bed until the foldable accompanying bed is completely folded. In order to save space, the folded accompanying bed can be placed in the lower space of the bedside table beside the sickbed.
Claims (5)
1. A foldable accompanying bed, characterized in that: comprises a folding structure, a first frame (1), a second frame (2) and a bed board module,
the first frame (1) and the second frame (2) are respectively and vertically arranged at two ends of the folding structure, and the bed board module is connected with the folding structure;
the folding structure comprises a left shearing fork rod group and a right shearing fork rod group, wherein the left shearing fork rod group and the right shearing fork rod group are formed by hinging a plurality of shearing fork units, the shearing fork units in the left shearing fork rod group and the right shearing fork rod group are in one-to-one correspondence, each shearing fork unit comprises two shearing fork rods, and the two shearing fork rods are arranged in a crisscross manner at the center and are rotationally connected;
every two adjacent scissor units in the left scissor rod group and the right scissor rod group are hinged through the end parts of the scissor rods to realize the rotation connection of the two scissor units;
the two opposite scissor units in the left scissor rod group and the right scissor rod group are respectively provided with a cross rod at the hinged position of the end parts of the scissor rods, a first cross rod (3) is arranged above the cross rods defining the end parts of the scissor rods, and a second cross rod (4) is arranged below the cross rods;
the bed board module comprises a plurality of bed board units, and every two adjacent bed board units are connected in a folding way through a second connecting part; one side of each bed board unit is connected with a first cross bar (3) in the folding structure through a second connecting part, so that the connection between the bed board module and the folding structure is realized; the bed board unit comprises at least one bed board;
the second connecting part comprises two pin shafts (11) and a plurality of connecting pieces (10), and each connecting piece (10) is provided with two through holes (10-1) for the two pin shafts (11) to be inserted; the end parts of the two sides of the bed board are provided with pin shaft holes for inserting pin shafts (11) along the length direction;
an extension plate for installing the first cross rod (3) is arranged on a connecting sheet (10) positioned on one side of the bed board unit in a protruding way, and two ends of the first cross rod (3) are fixed on the extension plate of the connecting sheet (10);
two ends of the first cross rod (3) are fixedly connected to the upper end part of the first frame (1), a screw rod (6) is arranged in the first frame (1) in a rotating manner along the vertical direction, and a hand-operated wheel (14) capable of driving the screw rod (6) to rotate is arranged at the top end of the screw rod (6); the screw rod (6) is in threaded connection with a screw rod nut (7) arranged on the screw rod (6), a connecting block (8) is fixedly connected to the screw rod nut (7), and the connecting block (8) is sleeved on a second cross rod (4) in the folding mechanism;
two ends of the first cross rod (3) are fixedly connected to the upper end part of the second frame (2), a polish rod (9) is arranged in the second frame (2) along the vertical direction, a linear bearing is sleeved on the polish rod (9), a connecting block (8) is fixedly connected to the linear bearing, and the connecting block (8) is sleeved in the second cross rod (4) of the folding mechanism;
the inner side surfaces of the two sides of the first frame (1) are provided with a chute along the vertical direction, and the two ends of a second cross rod (4) of the folding mechanism are inserted into the chute and move up and down along the chute;
the inner side surfaces of the two sides of the second frame (2) are provided with a chute along the vertical direction, and a second cross rod (4) of the folding mechanism is inserted into the chute and moves up and down along the chute;
a side vertical plate (13) is fixedly arranged on two sides of the first frame (1) and the second frame (2).
2. The collapsible accompanying bed of claim 1, wherein: the first frame (1) is provided with an upper cross beam and a lower cross beam, through holes are formed in the same vertical line of the upper cross beam and the lower cross beam, the top end of the screw rod (6) penetrates out of the through holes of the upper cross beam through the bearing seat and is connected with the hand-operated wheel, and the bottom end of the screw rod (6) penetrates through the lower cross beam and is arranged on the bearing seat.
3. The collapsible accompanying bed of claim 1, wherein: each bed board unit comprises four small panels, and pin shaft holes for inserting pin shafts (11) are formed in two sides of each small panel along the length direction.
4. The collapsible accompanying bed of claim 1, wherein: a third cross rod (5) is arranged at the joint of the centers of the scissors fork rods between two opposite scissors fork units in the left scissors fork rod group and the right scissors fork rod group.
5. The collapsible accompanying bed of claim 1, wherein: casters (12) are arranged at the bottoms of the first frame (1) and the second frame (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810841148.6A CN108741896B (en) | 2018-07-27 | 2018-07-27 | Foldable accompanying bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810841148.6A CN108741896B (en) | 2018-07-27 | 2018-07-27 | Foldable accompanying bed |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108741896A CN108741896A (en) | 2018-11-06 |
| CN108741896B true CN108741896B (en) | 2024-03-01 |
Family
ID=63971998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810841148.6A Active CN108741896B (en) | 2018-07-27 | 2018-07-27 | Foldable accompanying bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108741896B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109846253A (en) * | 2019-04-11 | 2019-06-07 | 西安博天医疗科技有限公司 | A kind of foldable nursing bed stool |
| CN109805661A (en) * | 2019-04-11 | 2019-05-28 | 西安博天医疗科技有限公司 | A kind of foldable nursing bed mechanically folded |
| CN110115453A (en) * | 2019-06-10 | 2019-08-13 | 西安博天医疗科技有限公司 | A kind of stack nursing bed |
| CN110353904B (en) * | 2019-07-03 | 2024-05-31 | 江苏环亚医用科技集团股份有限公司 | Hidden easy-to-store expanding bed for medical intelligent building |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6421853B1 (en) * | 1999-06-24 | 2002-07-23 | PECORELLI EDGARDO RENé | Stretcher for the cleansing of bedridden patients |
| JP2004350934A (en) * | 2003-03-28 | 2004-12-16 | Taiwan Touoii Kofun Yugenkoshi | Foldable frame assembly |
| CN204541468U (en) * | 2014-12-29 | 2015-08-12 | 李明达 | A kind of Foldable bed |
| CN206822388U (en) * | 2017-01-14 | 2018-01-02 | 佛山市丽安居家具科技有限公司 | A kind of novel ultralong four fold folding bed |
| CN209450194U (en) * | 2018-07-27 | 2019-10-01 | 江苏信息职业技术学院 | A kind of foldable nursing bed |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104825010B (en) * | 2015-05-20 | 2017-11-14 | 中山市西区青原贸易代理服务部 | A kind of folding type bed frame of infanette |
-
2018
- 2018-07-27 CN CN201810841148.6A patent/CN108741896B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6421853B1 (en) * | 1999-06-24 | 2002-07-23 | PECORELLI EDGARDO RENé | Stretcher for the cleansing of bedridden patients |
| JP2004350934A (en) * | 2003-03-28 | 2004-12-16 | Taiwan Touoii Kofun Yugenkoshi | Foldable frame assembly |
| CN204541468U (en) * | 2014-12-29 | 2015-08-12 | 李明达 | A kind of Foldable bed |
| CN206822388U (en) * | 2017-01-14 | 2018-01-02 | 佛山市丽安居家具科技有限公司 | A kind of novel ultralong four fold folding bed |
| CN209450194U (en) * | 2018-07-27 | 2019-10-01 | 江苏信息职业技术学院 | A kind of foldable nursing bed |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108741896A (en) | 2018-11-06 |
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