Disclosure of Invention
In order to solve the technical problems in the background technology, the invention provides a hospital bed convenient to move.
The invention provides a hospital bed convenient to move, which comprises a bed board, a support column and a movable support rod group, wherein:
the bed plate comprises a fixed bed plate, a first sliding side plate and a second sliding side plate, the supporting column is arranged at the bottom of the fixed bed plate and used for supporting the fixed bed plate, the first sliding side plate and the second sliding side plate are respectively arranged on two sides of the bed plate in a sliding mode, and the first sliding side plate and the second sliding side plate can move relative to the fixed bed plate to change the width of the bed plate;
the movable support rod group comprises a first transmission rod, a second transmission rod and a universal wheel, the first transmission rod is fixed at the bottom of the first sliding side plate, the second transmission rod is fixed at the bottom of the second sliding side plate, the first transmission rod and the second transmission rod are crossed, the middle parts of the first transmission rod and the second transmission rod are rotatably connected through a rotating shaft, the axis of the rotating shaft is along the length direction of the sickbed, and the universal wheel is installed at the bottoms of the first transmission rod and the second transmission rod.
As a further optimized scheme of the invention, when the width of the bed board is maximum, the vertical distance from the bottom of the universal wheel to the fixed bed board is less than the vertical distance from the bottom of the support column to the fixed bed board; when the width of the bed board is minimum, the vertical distance from the bottom of the universal wheel to the fixed bed board is greater than the vertical distance from the support column to the specified bed board.
As a further optimized scheme of the invention, driving mechanisms are arranged between the fixed bed plate and the first and second sliding side plates, and the driving mechanisms are used for driving the first and second sliding side plates to move relative to the fixed bed plate.
As a further optimized scheme of the invention, the driving mechanism comprises a driving motor, a screw rod, a sliding block and a connecting rod, the screw rod is rotatably connected to the fixed bed plate, the sliding block is connected with the screw rod in a threaded manner, the connecting rod is fixed between the sliding block and the first sliding side plate or the second sliding side plate, and the driving motor is used for driving the screw rod to rotate.
As a further optimized scheme of the invention, a part of the fixed bed board close to the bed head is provided with a notch, a leaning plate is rotationally connected in the notch, a lifting mechanism is arranged between the leaning plate and the fixed bed board and is used for driving one end of the leaning plate close to the bed head to rotate for a certain angle relative to the fixed bed board.
As a further optimized scheme of the invention, the supporting column is detachably connected with the fixed bed board.
As a further optimized scheme of the invention, the supporting column is connected with the fixed bed board in a threaded manner.
As a further optimized scheme of the universal wheel, the universal wheel comprises a rotating support, a rotating wheel, a rotating shaft, a connecting plate and a fixing piece, wherein the rotating wheel is rotatably installed on the rotating support, the rotating shaft is vertically arranged between the connecting plate and the rotating support, one end of the rotating shaft is rotatably connected with the rotating support, the other end of the rotating shaft is fixedly connected with the connecting plate, and the fixing piece is detachably arranged between the rotating support and the connecting plate and used for limiting the rotating support to rotate relative to the connecting plate.
As a further optimized scheme of the invention, the disassembly of the fixing piece between the rotating bracket and the connecting plate enables that: when the first sliding side plate and the second sliding side plate are moved or the width of the bed plate is maximum, the rotating bracket and the connecting plate are fixed, and the rotating axis of the rotating wheel is along the length direction of the fixed bed plate; when the width of the bed board is minimum, the rotary bracket can rotate relative to the connecting plate.
As a further optimized scheme of the invention, the fixing piece comprises a fixing plate and a screw, two connecting through holes are formed in the fixing plate, threaded holes are formed in the rotating bracket and the connecting plate, and the fixing piece plate is fixed on the rotating bracket and the connecting plate through the screw when the through holes correspond to the threaded holes.
According to the hospital bed convenient to move, when a patient is generally treated in a ward, the first sliding side plate and the second sliding side plate move relative to the fixed hospital bed plate to enable the width of the bed plate to be the largest, the supporting columns are installed on the fixed hospital bed plate at the moment, the height of the supporting columns is larger than that of the movable supporting rod group, the bottom surfaces of the supporting columns are in contact with the ground to fixedly support the bed plate, the hospital bed is prevented from moving, and the height of the hospital bed is short; when needs move the disease (if move to other departments inspection), promote first slip curb plate and second slip curb plate, make its for fixed patient's bed board move to the width that makes the bed board minimum, at this moment, the height that removes the bracing piece group is greater than the height of support column, the universal wheel of first transfer line and second transfer line bottom realizes the support to the bed board with ground contact, and the height of sick bed is higher, the width is narrower and be convenient for realize moving it through the universal wheel.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar designations denote like or similar elements or elements having like or similar functionality throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
It will be understood that the terms "central," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in an orientation or positional relationship indicated in the drawings for convenience and simplicity of description only and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
A hospital bed convenient to move as shown in fig. 1-5, comprising abed board 1, asupport column 2 and a movablesupport rod group 3, wherein:
thebed plate 1 comprises afixed bed plate 10, a firstsliding side plate 11 and a secondsliding side plate 12, the supportingcolumn 2 is installed at the bottom of thefixed bed plate 10 and used for supporting thefixed bed plate 10, the firstsliding side plate 11 and the secondsliding side plate 12 are respectively installed on two sides of thebed plate 1 in a sliding mode, and the first slidingside plate 11 and the second slidingside plate 12 can move relative to thefixed bed plate 10 to change the width of thebed plate 1;
the movablesupport rod group 3 comprises afirst transmission rod 30, asecond transmission rod 31 and auniversal wheel 32, thefirst transmission rod 30 is fixed at the bottom of the firstsliding side plate 11, thesecond transmission rod 31 is fixed at the bottom of the secondsliding side plate 12, thefirst transmission rod 30 and thesecond transmission rod 31 are crossed, the middle parts of thefirst transmission rod 30 and thesecond transmission rod 31 are rotatably connected through arotating shaft 33, the axis of therotating shaft 33 is along the length direction of the sickbed, and theuniversal wheel 32 is installed at the bottom parts of thefirst transmission rod 30 and thesecond transmission rod 31.
The hospital bed convenient to move in the present embodiment works in such a way that when a patient is generally treated in a hospital room, the first slidingside plate 11 and the second slidingside plate 12 move relative to the fixedhospital bed plate 10 to maximize the width of thebed plate 1, as shown in fig. 2, the supportingcolumn 2 is installed on thefixed bed plate 10, the height of the supportingcolumn 2 is greater than the height of the movable supportingrod group 3, the bottom surface of the supportingcolumn 2 is in contact with the ground to realize fixed support of thebed plate 1, so that the hospital bed is prevented from moving, and the height is short; when a patient needs to be moved (for example, moved to other departments for examination), the first slidingside plate 11 and the second slidingside plate 12 are pushed to move relative to the fixedpatient bed plate 10 to the minimum width of thebed plate 1, as shown in fig. 4, at this time, the height of the movablesupport rod group 3 is greater than the height of thesupport column 2, theuniversal wheels 32 at the bottoms of thefirst transmission rod 30 and thesecond transmission rod 31 are in contact with the ground to support thebed plate 1, and the sickbed is high in height, narrow in width and convenient to move through theuniversal wheels 32; when the first slidingside plate 11 and the second slidingside plate 12 are pushed to move towards or away from thefixed bed board 10, thefirst transmission rod 30 and thesecond transmission rod 31 rotate relative to therotating shaft 33, and in the rotating process, the included angle between thefirst transmission rod 30 and thesecond transmission rod 31 relative to the horizontal direction is changed, so that the height between the first transmission rod and thesecond transmission rod 31 and the ground is changed.
In some embodiments, specifically, when the width of thebed board 1 is the largest, the vertical distance from the bottom of theuniversal wheel 32 to thefixed bed board 10 is smaller than the vertical distance from the bottom of thesupport column 2 to thefixed bed board 10; when the width of thebed board 1 is the minimum, the vertical distance from the bottom of theuniversal wheel 32 to thefixed bed board 10 is greater than the vertical distance from thesupport column 2 to thespecified bed board 1, so that the influence of thesupport column 2 contacting the ground on moving the sickbed in the sickbed moving process is avoided.
In some embodiments, it is preferable that a driving mechanism is disposed between thefixed bed plate 10 and the firstsliding side plate 11 and the secondsliding side plate 12, the driving mechanism is configured to drive the first slidingside plate 11 and the secondsliding side plate 12 to move relative to thefixed bed plate 10, the driving mechanism drives the first slidingside plate 11 and the second slidingside plate 12 to move at equal speed and in opposite directions, the precision is high, and the labor of related workers is reduced.
Actuating mechanism can be the cylinder, telescopic machanism such as electric telescopic handle, preferred in some embodiments, actuating mechanism is lead screw slider mechanism, actuating mechanism includes drivingmotor 4,lead screw 5,slider 6 and connectingrod 7,lead screw 5 rotates to be connected onfixed bed board 10,slider 6 passes through threaded connection withlead screw 5, fixing of connectingrod 7 is betweenslider 6 and firstslip curb plate 11 or secondslip curb plate 12, drivingmotor 4 is used for drivinglead screw 5 and rotates, drivingmotor 4 drive lead screw rotates, and then driveslider 6 and move onlead screw 5, it slides to drive firstslip curb plate 11 or secondslip curb plate 12 through connectingrod 7, the transmission precision is high and steady.
In some embodiments, it is preferable that a part of thefixed bed board 10 near the bed head is provided with anotch 100, thenotch 100 is rotatably connected with theleaning board 8, a lifting mechanism is arranged between theleaning board 8 and thefixed bed board 10, and the lifting mechanism is used for driving one end of theleaning board 8 near the bed head to rotate a certain angle relative to thefixed bed board 10, so as to facilitate the patient to get up in the bed; elevating system belongs to the current mature technique relatively of sick bed, as long as can support lean onboard 8 to rotate certain angle forfixed bed board 10 can, elevating system in this embodiment includescarriage 13, the upper end ofcarriage 13 is rotated and is connected on the bottom surface of leaning onboard 8, the bottom ofnotch 10 is equipped with a plurality ofadjustment tanks 101, the lower extreme and the adjustment tank ofcarriage 13 are connected, realize the regulation to lean onboard 8 for the horizontal direction angle through adjusting being connected ofcarriage 13 anddifferent adjustment tanks 101.
In some embodiments, it is preferable that the supportingcolumn 2 is detachably connected to thefixed bed board 10, when the patient bed needs to be moved, after the first slidingside plate 11 and the second slidingside plate 12 move relative to thefixed bed board 10 to minimize the width of thebed board 1, theuniversal wheels 32 at the bottoms of thefirst transmission rod 30 and thesecond transmission rod 31 support the bed board, the bottom of the supportingcolumn 2 is in a suspended state, and the supportingcolumn 2 is detached at this time, so that the patient bed can be moved conveniently; when the sickbed moves to the final position, the supportingcolumn 2 is firstly installed on thefixed bed board 10 before the width of the sickbed needs to be changed, and then the first slidingside board 11 and the second slidingside board 12 are used for adjusting the width of thesickbed board 1 to be the widest.
In some embodiments, the supportingcolumn 2 is connected with thefixed bed plate 10 in a threaded manner, so that the supporting column is convenient to detach.
In some embodiments, it is preferable that theuniversal wheel 32 includes a rotatingbracket 320, a rotatingwheel 321, a rotatingshaft 322, a connectingplate 323, and afixing member 324, wherein the rotatingwheel 321 is rotatably mounted on the rotatingbracket 320, the rotatingshaft 322 is vertically disposed between the connectingplate 323 and the rotatingbracket 320, one end of the rotatingshaft 322 is rotatably connected to the rotatingbracket 320, the other end of the rotatingshaft 322 is fixedly connected to the connectingplate 323, and thefixing member 324 is detachably disposed between the rotatingbracket 320 and the connectingplate 323 and is used for limiting the rotating of the rotatingbracket 320 relative to the connectingplate 323, when an included angle between thefirst driving rod 30 and thesecond driving rod 31 is changed by rotating the first slidingside plate 11 and the second slidingside plate 12 with respect to each other, therotating wheel 321 of the universal wheel is ensured to move along.
In some embodiments, it may be preferable to remove thefixing member 324 between therotating bracket 320 and thecoupling plate 323 such that: when the first slidingside plate 11 and the second slidingside plate 12 are moved or the width of thebed plate 1 is the maximum, therotating bracket 320 and the connectingplate 323 are fixed, and the rotating axis of therotating wheel 321 is along the length direction of thefixed bed plate 10; when the width of thebedplate 1 is minimum, the rotatingbracket 320 can rotate relative to the connectingplate 323.
In some embodiments, thefixing member 324 includes afixing plate 3240 and ascrew 3241, thefixing plate 3240 has two connecting through holes, therotating bracket 320 and the connectingplate 323 have threaded holes, and thefixing member 324 is fixed on the rotatingbracket 320 and the connectingplate 323 by thescrew 3241 when the through holes correspond to the threaded holes; thefixed plate 3240 is fixed and connected with therotating support 320 and the connectingplate 323 through the detachment of thescrew 3241, when thefixed plate 3240 is fixed on therotating support 320 and the connectingplate 323, thefixed plate 320 is fixed, the rotation of the rotating shaft when the first slidingside plate 11 and the second slidingside plate 12 rotate and theuniversal wheel 32 slides relative to the ground is avoided, and further the first slidingside plate 11 and the second slidingside plate 12 slide relative to the ground in the process is facilitated, the universal wheel is not easy to damage, thefixed plate 3240 not only plays a role in fixing, but also plays a role in supporting, and the rotatingshaft 322 is prevented from being prolonged by a large downward force to increase the service life of the universal wheel.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.