CN115778709B - Multifunctional ophthalmology nursing bed - Google Patents
Multifunctional ophthalmology nursing bed Download PDFInfo
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- CN115778709B CN115778709B CN202310069592.1A CN202310069592A CN115778709B CN 115778709 B CN115778709 B CN 115778709B CN 202310069592 A CN202310069592 A CN 202310069592A CN 115778709 B CN115778709 B CN 115778709B
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Abstract
The invention relates to the technical field of medical beds, in particular to a multifunctional ophthalmological nursing bed, wherein one end of a first bed body in the length direction is movably connected with a second bed body, the second bed body comprises a top plate, a rectangular groove which is vertically arranged in a penetrating manner is arranged on the top plate, two supporting plates are arranged in the rectangular groove in a sliding manner along the width direction of the first bed body, arc-shaped grooves for exposing the face of a patient are arranged on one sides, close to each other, of the two supporting plates, a liftable bottom plate is arranged at the bottom of the top plate, a first base plate for filling the rectangular groove between the two supporting plates is fixedly arranged at the top of the bottom plate, and two second base plates for filling the rectangular groove positioned on the outer sides of the two supporting plates are also fixedly arranged at the top of the bottom plate; when the patient needs to keep the prone position for rest, the first bidirectional screw rod is driven to rotate through the adjusting motor, the two sliding blocks drive the two supporting plates to be close to or far away from each other synchronously, and therefore the distance between the two arc-shaped grooves is adjusted according to the face size of the patient.
Description
Technical Field
The invention relates to the technical field of medical beds, in particular to a multifunctional ophthalmic nursing bed.
Background
After the retinal detachment treatment operation, in order to improve the success rate of the operation, the patient needs to keep the prone position for a long time so as to ensure that the head is low and the fissure is high, and prevent the occurrence of complications.
The invention patent with application number CN202110419888.2 discloses a novel ophthalmological prone position auxiliary tool, which comprises a base, wherein an air cushion is arranged on one side of the base, a shell is arranged above the base, the base is rotationally connected with one side of the shell, which is close to the air cushion, through a hinge, the base is connected with one side of the shell, which is far away from the hinge, through two angle adjusting mechanisms with the same structure, a protection pad is arranged above the shell, and the upper surfaces of the shell and the protection pad are both provided with face grooves at the center. This prone position appurtenance can play the effect of convenient regulation through angle adjustment mechanism, satisfies different patients' user demand, and can avoid being in an angle for a long time and lead to the uncomfortable problem of neck easily.
However, the size of the face groove cannot be adjusted by the aid of the prone position auxiliary tool, so that the prone position auxiliary tool cannot be conveniently matched with patients with different sizes of faces to use, discomfort of the face supporting part of the patient is easily caused, the use experience is affected, and the prone position auxiliary tool needs to be improved.
Disclosure of Invention
The invention aims to provide a multifunctional ophthalmologic nursing bed, which is convenient for adjusting the distance between two supporting plates according to the size of the face of a patient so as to solve the technical problem that the existing prone position auxiliary tool is not convenient for matching patients with different sizes of faces to use.
In order to solve the technical problems, the technical scheme of the invention is as follows: a multifunctional ophthalmological nursing bed comprises a rectangular first bed body, wherein supporting legs are fixedly mounted at four corners of the bottom of the first bed body respectively, one end of the first bed body in the length direction is movably connected with a second bed body, the second bed body comprises a top plate, a rectangular groove vertically penetrating is formed in the top plate, two supporting plates are slidably mounted in the rectangular groove in the width direction of the first bed body, arc-shaped grooves used for exposing the face of a patient are formed in the sides, close to each other, of the two supporting plates, and an adjusting mechanism used for driving the two supporting plates to synchronously close to or keep away from each other is arranged on the top plate; the bottom of roof is equipped with the bottom plate of liftable, the top fixed mounting of bottom plate is used for filling and is located two between the backup pad the first backing plate of rectangular channel, the top of bottom plate still fixed mounting be used for filling and be located two the outside of backup pad two second backing plates of rectangular channel.
As a preferred technical scheme, a sliding groove extending along the width direction of the first bed body is arranged on the inner wall of the rectangular groove, and a sliding block matched with the sliding groove is fixedly installed on the supporting plate; the adjusting mechanism comprises a first bidirectional screw rod which is positioned in the sliding groove and is driven by an adjusting motor to rotate, the first bidirectional screw rod and the sliding groove extend in the same direction, first external threads which correspond to the two sliding blocks one by one are arranged on the first bidirectional screw rod, the rotating directions of the two sections of first external threads are opposite, and an opening and closing nut mechanism matched with the corresponding first external threads is arranged on the sliding blocks; two be connected with the extension spring between the slider, be located two between the slider fixed mounting has the dog in the spout, when two the slider all with when the dog contacts, first backing plate along vertical direction's projection and two between the backup pad the rectangular channel coincidence, and two the projection of second backing plate along vertical direction respectively with corresponding the outside of backup pad the rectangular channel coincidence.
As a preferable technical scheme, the nut opening and closing mechanism comprises a sliding cavity arranged in the sliding block, the sliding block is provided with a through hole for the first bidirectional screw to pass through, and the through hole is communicated with the sliding cavity; the sliding cavity extends along the direction vertical to the first bidirectional screw rod, a sliding seat is arranged in the sliding cavity in a sliding mode, a first half nut and a second half nut are oppositely arranged in the sliding cavity along the length direction of the sliding cavity, and the first bidirectional screw rod is located between the first half nut and the second half nut; the first half nut is fixedly arranged on the sliding seat, a fixing plate is fixedly arranged in the sliding cavity, and a spring enabling the first half nut to be far away from the first bidirectional lead screw is connected between the fixing plate and the sliding seat; the second half nut is slidably mounted on the sliding seat along the length direction of the sliding cavity, a screw rod extending along the length direction of the sliding cavity is rotatably mounted on the second half nut, and the screw rod is screwed on the sliding seat; a polygonal prism-shaped connecting column is fixedly installed at one end, far away from the second half nut, of the screw, a sleeve which is coaxial with the screw is rotatably installed on the fixing plate, and one end of the connecting column is slidably installed in the sleeve; the sliding block is rotatably provided with a sleeve which extends in the same direction as the first bidirectional screw, the sleeve is connected with the sleeve through a gear pair, two ends of the sleeve extend to the outer side of the sliding block, a polygonal column-shaped sliding rod is arranged in the sliding groove and can rotate around the central line of the sliding rod, the sliding rod extends in the same direction as the first bidirectional screw, and the two sleeves are slidably arranged on the sliding rod.
As a further improvement, two mounting grooves are oppositely formed in the bottom of the top plate along the width direction of the first bed body, a second bidirectional screw driven to rotate by a driving motor is arranged in each of the two mounting grooves, the second bidirectional screw is parallel to the plane where the top plate is located, two sections of second external threads with opposite rotation directions are arranged on the second bidirectional screw, and nuts are screwed on the two sections of second external threads respectively; two sliding rods are oppositely and fixedly installed on the bottom plate along the width direction of the first bed body, the sliding rods and the second bidirectional screw rod extend in the same direction, and two sliding blocks are installed on the sliding rods in a sliding mode; two connecting rods which are arranged in an X-shaped cross mode are arranged between the second bidirectional screw rod and the sliding rod on one corresponding side, the middle parts of the two connecting rods are hinged through shaft pins, one end of each connecting rod is hinged to the corresponding nut, and the other end of each connecting rod is hinged to the corresponding sliding block.
As a further improvement, mounting shafts are fixedly mounted at two ends of the sliding rod respectively, the center line of the sliding rod is overlapped with the axis of the mounting shafts, and the mounting shafts are rotatably mounted on the inner wall of the sliding chute; one end of one of the installation shafts extends into the installation groove on the corresponding side, and the installation shafts are connected with the corresponding second bidirectional lead screws through gear pairs.
As a further improvement, the first bed body is equipped with the mounting panel of liftable along length direction's one end, the mounting panel deviates from one side edge of the first bed body the relative fixed mounting of width direction of the first bed body has two support arms, the one end of roof is through following the connecting axle rotation that the width direction of the first bed body extends is installed two between the support arm, the support arm with it has the electric putter that is used for adjusting to articulate between the roof the angle of the second bed body.
As a further improvement, two adjacent to the second bed body are provided with cavities in the supporting legs, the cavities are internally provided with screw rods driven to rotate by a lifting motor, the screw rods vertically extend, a screw matched with the screw rods is fixedly mounted on the mounting plate, and strip-shaped holes for the screw rods to pass through are formed in the side walls of the cavities.
After the technical scheme is adopted, the invention has the beneficial effects that:
when a patient needs to keep a prone position for rest, the bottom plate can be lowered, so that the rectangular groove between the two support plates and the rectangular groove on the outer sides of the two support plates are hollowed out, and the face of the patient can be exposed out of the two arc-shaped grooves conveniently; when the patient does not need to keep a prone position for rest, the bottom plate can be lifted, so that flat supporting surfaces are formed on the upper surfaces of the top plate, the supporting plate, the first base plate and the second base plate, the nursing bed is used as a common hospital bed, and the nursing bed has the advantage of multiple functions;
when a patient needs to keep a prone position for rest, the first bidirectional screw rod is tightly held through the nut opening and closing mechanism, and the first bidirectional screw rod is driven to rotate through the adjusting motor, so that the two sliding blocks are driven to synchronously approach or separate from each other along the sliding grooves, and the two sliding blocks drive the two supporting plates to synchronously approach or separate from each other, so that the distance between the two arc-shaped grooves is adjusted according to the size of the face of the patient, and the device has the advantage of good applicability;
when the driving motor drives the second bidirectional screw rod to rotate in the forward direction to enable the bottom plate to be lowered, the first half nut and the second half nut are driven to tightly hold the first bidirectional screw rod, so that the distance between the two arc-shaped grooves can be adjusted through the rotation of the first bidirectional screw rod; when driving motor drives the second bidirectional screw rod and makes the bottom plate rise in the antiport, drive first half nut and second half nut and loosen first bidirectional screw rod, two sliders of extension spring pulling all support on the dog to the bottom plate further risees and makes the upper surface of roof, backup pad, first backing plate and second backing plate form smooth holding surface, has the advantage of being convenient for adjust.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic top view of a second bed according to an embodiment of the present invention;
FIG. 3 isbase:Sub>A schematic sectional view A-A of FIG. 2;
FIG. 4 is a schematic top view of a top plate of an embodiment of the present invention;
FIG. 5 is a schematic top view of a base plate of an embodiment of the invention;
FIG. 6 is a schematic bottom view of the top panel of the embodiment of the present invention;
FIG. 7 is a cross-sectional schematic view of the slider of FIG. 6;
FIG. 8 is a schematic cross-sectional view of C-C of FIG. 7;
FIG. 9 is a schematic view of a first nut half and a second nut half of an embodiment of the present invention gripping a first reversible lead screw;
FIG. 10 is a schematic cross-sectional view B-B of FIG. 6;
FIG. 11 is a schematic illustration of the base plate of an embodiment of the present invention as it is lowered;
fig. 12 is a schematic structural view of a screw according to an embodiment of the present invention.
In the figure: 1-a first bed body; 2-supporting legs; 3-a second bed body; 4-a top plate; 5-a rectangular groove; 6-a support plate; 7-an arc-shaped groove; 8-a bottom plate; 9-a first shim plate; 10-a second backing plate; 11-a chute; 12-a slide block; 13-a guide groove; 14-a guide block; 15-adjusting the motor; 16-a first bidirectional lead screw; 17-a first external thread; 18-a tension spring; 19-a stopper; 20-a slide cavity; 21-a housing; 22-a cover plate; 23-a through hole; 24-a slide; 25-a first half nut; 26-a second half-nut; 27-a fixing plate; 28-a spring; 29-screw; 30-connecting column; 31-a sleeve; 32-a sleeve; 33-a first bevel gear; 34-a second bevel gear; 35-a slide bar; 36-a mounting groove; 37-a drive motor; 38-second bidirectional lead screw; 39-second external thread; 40-a nut; 41-a strip groove; 42-a slide bar; 43-a slider; 44-a connecting rod; 45-axis pin; 46-a third bevel gear; 47-fourth bevel gear; 48-mounting plate; 49-a support arm; 50-a connecting shaft; 51-an electric push rod; 52-a cavity; 53-a lift motor; 54-a nut; 55-a slip axis; 56-elongated holes; 57-mounting shaft; 58-lead screw.
Detailed Description
As shown in fig. 1 to 12, a multifunctional ophthalmic nursing bed comprises a rectangular first bed body 1, wherein four corners of the bottom of the first bed body 1 are respectively and fixedly provided with supporting legs 2, the first bed body 1 extends leftwards and rightwards in the length direction, and the left end of the first bed body 1 is movably connected with a second bed body 3. The second bed body 3 comprises a top plate 4, a rectangular groove 5 vertically penetrating through the top plate 4 is formed in the top plate 4, two supporting plates 6 are arranged in the rectangular groove 5 in a front-back sliding mode along the width direction of the first bed body 1, the upper surfaces of the supporting plates 6 are flush with the upper surface of the top plate 4, and when a patient is in a prone position, the supporting plates 6 are used for supporting the head of the patient; the two supporting plates 6 are provided with arc-shaped grooves 7 for exposing the faces of patients on the sides close to each other, when the patients are in prone position, the faces of the patients can be exposed from the two arc-shaped grooves 7, so that the patients are prevented from suffocating, the top plate 4 is provided with an adjusting mechanism for driving the two supporting plates 6 to synchronously close to or keep away from each other, the two supporting plates 6 are driven to synchronously close to or keep away from each other through the adjusting mechanism, and therefore the distance between the two arc-shaped grooves 7 is adjusted, so that the patient matched with different faces in size can use the device; the bottom of roof 4 is equipped with the bottom plate 8 of liftable, and there is a first backing plate 9 that is used for filling the rectangular channel 5 that is located between two backup pads 6 at the top of bottom plate 8 through bolt fixed mounting, and there are two second backing plates 10 that are used for filling the rectangular channel 5 that is located the outside of two backup pads 6 at the top of bottom plate 8 still through bolt fixed mounting.
Specifically, when the patient needs to rest in the prone position, the bottom plate 8 can be lowered, so that the rectangular groove 5 between the two supporting plates 6 is hollowed out, as shown in fig. 4, so that the face of the patient is exposed from between the two arc-shaped grooves 7; the rectangular grooves 5 located on the outer sides of the two support plates 6 are hollowed out at the same time, thereby providing a space for slidably adjusting the two support plates 6.
When the patient does not need to rest in the prone position, the bottom plate 8 can be raised so that the rectangular groove 5 between the two support plates 6 is filled with the first pad 9 and the rectangular groove 5 on the outer side of the two support plates 6 is filled with the second pads 10, so that the upper surfaces of the top plate 4, the support plates 6, the first pad 9 and the second pad 10 form a flat support surface, as shown in fig. 2 and 3, thereby using the nursing bed as a general hospital bed. In addition, in order to improve the comfort of the nursing bed, the upper surfaces of the first bed body 1, the top plate 4, the supporting plate 6, the first cushion plate 9 and the second cushion plate 10 are all provided with flexible materials.
As shown in fig. 6, be equipped with the spout 11 that extends around the width direction of the first bed body 1 on the inner wall that the first bed body 1 was kept away from to rectangular channel 5, the left end of backup pad 6 through bolt fixed mounting have with spout 11 assorted slider 12, in order to improve the gliding stability of backup pad 6, still be equipped with the guide way 13 that extends around the width direction of the first bed body 1 on the inner wall that rectangular channel 5 is close to the first bed body 1, the right-hand member of backup pad 6 through bolt fixed mounting have with guide way 13 assorted guide block 14. The adjusting mechanism comprises a first bidirectional screw 16 which is positioned in the sliding groove 11 and driven to rotate by an adjusting motor 15, the first bidirectional screw 16 extends in the same direction with the sliding groove 11, the adjusting motor 15 is installed in the sliding groove 11 through a bolt, one end of the first bidirectional screw 16 is fixedly installed on a rotating shaft of the adjusting motor 15 through a shaft coupling in a coaxial mode, a bearing seat which is supported at one end, far away from the adjusting motor 15, of the first bidirectional screw 16 is further installed in the sliding groove 11 through a bolt in a fixed mode, first external threads 17 which correspond to the two sliding blocks 12 one to one are arranged on the first bidirectional screw 16, the rotating directions of the two sections of first external threads 17 are opposite, and an opening-closing nut mechanism matched with the corresponding first external threads 17 is arranged on the sliding blocks 12. Be connected with extension spring 18 between two sliders 12, be located and have dog 19 through bolt fixed mounting in the spout 11 between two sliders 12, when two sliders 12 all contacted with dog 19, the projection of first backing plate 9 along vertical direction and the coincidence of rectangular channel 5 between two backup pads 6, and the projection of two second backing plates 10 along vertical direction coincides with rectangular channel 5 in the outside of corresponding backup pad 6 respectively. In this embodiment, when both sliding blocks 12 are in contact with the stop 19, the inner sides of the two supporting plates 6 are attached to each other, and the vertical projection of the first pad 9 coincides with the rectangular slot 5 between the two arc-shaped slots 7.
When the patient need keep the prone position rest, reduce bottom plate 8, make the rectangular channel 5 that is located between two backup pads 6 and the rectangular channel 5 fretwork that is located the outside of two backup pads 6, then nut mechanism that opens and shuts hugs closely first bidirectional screw 16, drive first bidirectional screw 16 through adjusting motor 15 and rotate, thereby two sections first external screw threads 17 that the rotation is opposite on first bidirectional screw 16 act on two sets of nut mechanisms that open and shut respectively and drive two sliders 12 and be close to each other or keep away from along spout 11 is synchronous each other, and then two sliders 12 drive two backup pads 6 and be close to each other or keep away from in step, thereby adjust the distance between two arc walls 7 according to the size of patient's face.
When the patient does not need to keep the prone position for rest, the nut opening and closing mechanism loosens the first bidirectional screw 16, and then the extension spring 18 pulls the two sliders 12 to move inwards along the sliding groove 11 synchronously until the two sliders 12 all abut against the stop block 19, so that the rectangular grooves 5 between the first backing plate 9 and the two support plates 6 are vertically aligned, and meanwhile, the two second backing plates 10 are respectively vertically aligned with the rectangular grooves 5 on the outer sides of the corresponding support plates 6, and finally, the bottom plate 8 is lifted, the bottom plate 8 drives the first backing plate 9 and the second backing plate 10 to ascend, the rectangular grooves 5 between the two support plates 6 are filled through the first backing plate 9, the rectangular grooves 5 on the outer sides of the two support plates 6 are filled through the two second backing plates 10, and the upper surfaces of the top plate 4, the support plates 6, the first backing plate 9 and the second backing plate 10 form a flat support surface.
As shown in fig. 7 to 9, the nut opening and closing mechanism includes a sliding cavity 20 disposed in the sliding block 12, the sliding block 12 is composed of a housing 21 and a cover plate 22 fixedly mounted on one side of the housing 21 through a bolt, the sliding cavity 20 is located between the housing 21 and the cover plate 22, the sliding block 12 is provided with a through hole 23 for the first bidirectional screw 16 to pass through, and the through hole 23 is communicated with the sliding cavity 20; the sliding cavity 20 extends left and right in the direction perpendicular to the first bidirectional lead screw 16, a sliding seat 24 is installed in the sliding cavity 20 in a sliding mode, the sliding seat 24 is a rectangular frame body, a first half nut 25 located on the right side and a second half nut 26 located on the left side are oppositely arranged in the sliding cavity 20 along the length direction of the sliding cavity, and the first bidirectional lead screw 16 is located between the first half nut 25 and the second half nut 26; the first half nut 25 is welded on the inner side of the right side wall of the sliding seat 24, a fixed plate 27 positioned on the left side of the sliding seat 24 is fixedly installed in the sliding cavity 20 through a bolt, and a spring 28 enabling the first half nut 25 to be far away from the first bidirectional lead screw 16 is connected between the fixed plate 27 and the sliding seat 24; second half nut 26 is along the length direction side-to-side slidable mounting of sliding chamber 20 in slide 24, the top and the bottom of second half nut 26 close the axle 55 that slides of vertical extension soon respectively, be equipped with on the lateral wall of slide 24 with the rectangular shape hole 56 of axle 55 assorted that slides, the length direction of rectangular shape hole 56 extends about sliding chamber 20, the axle 55 slidable mounting that slides is in rectangular shape hole 56, one side that second half nut 26 deviates from first two-way lead screw 16 still installs through the bearing rotation along the length direction of sliding chamber 20 screw 29 that extends, screw 29 closes soon on slide 24.
Specifically, when the screw 29 rotates forward, the second half nut 26 is first driven to move rightward relative to the slide seat 24 to a side away from the fixed plate 27 until the second half nut 26 is attached to the first bidirectional screw 16; the screw 29 is further rotated to drive the sliding seat 24 to move to the left side close to the fixing plate 27 and compress the spring 28 until the sliding seat 24 drives the first half nut 25 to abut on the first bidirectional screw 16, as shown in fig. 9, so that the first half nut 25 and the second half nut 26 clasp the first bidirectional screw 16, and the first bidirectional screw 16 acts on the first half nut 25 and the second half nut 26 when rotating, so as to drive the sliding block 12 to move along the sliding groove 11.
Conversely, when the screw 29 rotates reversely, the slide 24 is first driven to move to the right away from the fixing plate 27 and the spring 28 is extended, and the slide 24 drives the first half nut 25 to separate from the first bidirectional screw 16; when the slide seat 24 moves to the right end of the slide cavity 20, the screw 29 is further rotated to drive the second half nut 26 to move to the left side close to the fixed plate 27 relative to the slide seat 24, so that the second half nut 26 is separated from the first bidirectional lead screw 16, as shown in fig. 8, and the first half nut 25 and the second half nut 26 loosen the first bidirectional lead screw 16.
A polygonal prism-shaped connecting column 30 is welded at one end, far away from the second half nut 26, of the screw 29, the center line of the connecting column 30 is overlapped with the axis of the screw 29, a sleeve 31 which is coaxially arranged with the screw 29 is rotatably installed on the fixing plate 27 through a bearing, the section of an inner cavity of the sleeve 31 is in a regular polygon shape matched with the connecting column 30, one end of the connecting column 30 is slidably installed in the sleeve 31, and the connecting column 30 can be driven to slide along the sleeve 31 when the screw 29 rotates to drive the second half nut 26 to move; a sleeve 32 which extends in the same direction as the first bidirectional screw 16 is rotatably mounted on the slider 12, the sleeve 32 is connected with the sleeve 31 through a gear pair, a first bevel gear 33 is coaxially and fixedly mounted on the sleeve 32, a second bevel gear 34 which is meshed with the first bevel gear 33 is coaxially and fixedly mounted on the sleeve 31, two ends of the sleeve 32 extend to the outer side of the slider 12, the sleeve 32 is connected with two side walls of the sliding cavity 20 along the width direction of the first bed body 1 through bearings, a polygonal sliding rod 35 is arranged in the sliding groove 11, the sliding rod 35 can rotate around the center line thereof, the sliding rod 35 and the first bidirectional screw 16 extend in the same direction, the two sleeves 32 are slidably mounted on the sliding rod 35, the cross section of the inner cavity of the sleeve 32 is a regular polygon matched with the sliding rod 35, and when the slider 12 moves along the sliding groove 11, the sleeve 32 can be driven to slide along the sliding rod 35.
Specifically, the sliding rod 35 rotates forward to drive the sleeve 32 to rotate forward synchronously, the sleeve 32 drives the second bevel gear 34 and the sleeve 31 to rotate forward through the first bevel gear 33, and the sleeve 31 drives the screw 29 to rotate forward through the connecting column 30, so that the first half nut 25 and the second half nut 26 tightly hold the first bidirectional screw 16; conversely, the slide bar 35 rotates reversely to drive the sleeve 32 to rotate reversely synchronously, the sleeve 32 drives the second bevel gear 34 and the sleeve 31 to rotate reversely through the first bevel gear 33, and the sleeve 31 drives the screw 29 to rotate reversely through the connecting post 30, so that the first half nut 25 and the second half nut 26 loosen the first bidirectional screw 16.
As shown in fig. 6, 10 and 11, two mounting grooves 36 are oppositely arranged at the bottom of the top plate 4 in the front-back direction along the width direction of the first bed body 1, a second bidirectional screw 38 driven by a driving motor 37 to rotate is arranged in each of the two mounting grooves 36, the driving motor 37 is mounted in the mounting groove 36 through a bolt, one end of the second bidirectional screw 38 is coaxially and fixedly mounted on a rotating shaft of the driving motor 37 through a coupling, a bearing seat supported at one end of the second bidirectional screw 38 far away from the driving motor 37 is also fixedly mounted in the mounting groove 36 through a bolt, the second bidirectional screw 38 extends left and right in parallel to the plane of the top plate 4, two sections of second external threads 39 with opposite rotation directions are arranged on the second bidirectional screw 38, and nuts 40 are screwed on the two sections of second external threads 39 respectively; two strip-shaped grooves 41 are oppositely arranged on the bottom plate 8 in the front and back direction along the width direction of the first bed body 1, sliding rods 42 are fixedly arranged in the two strip-shaped grooves 41 through bolts, the sliding rods 42 extend in the same direction with the second bidirectional screw rod 38, and two sliding blocks 43 are slidably arranged on the sliding rods 42; two connecting rods 44 are arranged between the second bidirectional screw rod 38 and the sliding rod 42 on the corresponding side in an X-shaped cross manner, the middle parts of the two connecting rods 44 are hinged with each other through a shaft pin 45, one end of each connecting rod 44 is hinged on the corresponding nut 40, and the other end of each connecting rod 44 is hinged on the corresponding sliding block 43.
When the second bidirectional screw 38 rotates, the two nuts 40 are driven to move closer to or away from each other, the two nuts 40 drive the two connecting rods 44 to rotate around the pivot pin 45, and the connecting rods 44 drive the sliding blocks 43 to slide along the sliding rods 42. Specifically, the driving motor 37 drives the second bidirectional screw rod 38 to rotate forward, the second bidirectional screw rod 38 drives the two nuts 40 to approach each other, the two nuts 40 drive the two connecting rods 44 to rotate inward around the pivot pins 45, and the vertical distance between the upper end and the lower end of the connecting rods 44 is increased, as shown in fig. 11, so that the connecting rods 44 drive the bottom plate 8 to be lowered, and the rectangular groove 5 between the two support plates 6 and the rectangular groove 5 outside the two support plates 6 are hollowed; on the contrary, the driving motor 37 drives the second bidirectional screw shaft 38 to rotate reversely, the second bidirectional screw shaft 38 drives the two nuts 40 to move away from each other, the two nuts 40 drive the two connecting rods 44 to rotate outwards around the pivot pin 45, the vertical distance between the upper end and the lower end of the connecting rods 44 is reduced, as shown in fig. 10, so that the connecting rods 44 drive the bottom plate 8 to be lifted, and thus the upper surfaces of the top plate 4, the supporting plate 6, the first cushion plate 9 and the second cushion plate 10 form a flat supporting surface.
As shown in fig. 6, mounting shafts 57 are fixedly mounted at both ends of the slide bar 35, respectively, a slot into which the slide bar 35 is inserted is formed at one end of each mounting shaft 57, one end of the slide bar 35 is inserted into the slot and fixed to the mounting shafts 57 by bolts, the center line of the slide bar 35 coincides with the axis of the mounting shafts 57, and the mounting shafts 57 are rotatably mounted on the inner wall of the chute 11 by bearings; one end of one of the mounting shafts 57 extends into the mounting groove 36 on the corresponding side, the mounting shafts 57 are connected with the corresponding second bidirectional screw 38 through a gear pair, a third bevel gear 46 is coaxially and fixedly mounted at one end of the mounting shafts 57, and a fourth bevel gear 47 meshed with the third bevel gear 46 is coaxially and fixedly mounted at one end of the corresponding second bidirectional screw 38.
Specifically, when the driving motor 37 drives the second bidirectional screw 38 to rotate forward, so that the bottom plate 8 is lowered, and the rectangular groove 5 between the two support plates 6 and the rectangular groove 5 outside the two support plates 6 are hollowed out, the corresponding second bidirectional screw 38 drives the third bevel gear 46 and the mounting shaft 57 to rotate forward through the fourth bevel gear 47, the mounting shaft 57 drives the sliding rod 35 to rotate forward, the sliding rod 35 drives the first half nut 25 and the second half nut 26 to tightly hold the first bidirectional screw 16 during rotation forward, and then the adjusting motor 15 drives the first bidirectional screw 16 to rotate so as to adjust the distance between the two arc-shaped grooves 7.
On the contrary, when the driving motor 37 drives the second bidirectional screw 38 to rotate reversely to lift the bottom plate 8, the corresponding second bidirectional screw 38 drives the third bevel gear 46 and the mounting shaft 57 to rotate reversely through the fourth bevel gear 47, the mounting shaft 57 drives the slide rod 35 to rotate reversely, the slide rod 35 drives the first half nut 25 and the second half nut 26 to loosen the first bidirectional screw 16 when rotating reversely, and then the tension spring 18 pulls the two sliders 12 to abut against the stop 19, so that the rectangular groove 5 between the first backing plate 9 and the two backing plates 6 is vertically aligned, and simultaneously, the two second backing plates 10 are vertically aligned with the rectangular grooves 5 on the outer sides of the corresponding backing plates 6, so that the bottom plate 8 is further lifted to form a flat supporting surface on the upper surfaces of the top plate 4, the backing plates 6, the first backing plates 9 and the second backing plates 10.
As shown in fig. 1 and 12, a liftable mounting plate 48 is arranged at the left end of the first bed body 1, two support arms 49 are relatively and fixedly mounted on the left side of the mounting plate 48 in the front-back direction along the width direction of the first bed body 1, the support arms 49 are fixed with the mounting plate 48 through bolts, the front side and the back side of the right end of the top plate 4 are respectively rotatably mounted between the upper ends of the two support arms 49 through a connecting shaft 50 extending in the front-back direction along the width direction of the first bed body 1, and an electric push rod 51 for adjusting the angle of the second bed body 3 is hinged between the support arms 49 and the top plate 4. When the electric push rod 51 stretches, the top plate 4 is driven to rotate around the axis of the connecting shaft 50, so that the inclination angle of the second bed body 3 is adjusted, and the patient is prevented from being tired due to the fact that the patient keeps the same posture for a long time.
All be equipped with cavity 52 in being located left two supporting legs 2, be equipped with in the cavity 52 by elevator motor 53 drive pivoted lead screw 58, the vertical extension of lead screw 58, elevator motor 53 passes through the bolt and installs on the inner wall of cavity 52, the coaxial fixed mounting in elevator motor 53's the axis of rotation is passed through the shaft coupling in the upper end of lead screw 58, still there is the bearing frame that supports in the lower extreme of lead screw 58 through bolt fixed mounting in the cavity 52, there is screw 54 with lead screw 58 assorted through bolt fixed mounting on the mounting panel 48, be equipped with the bar hole that supplies screw 54 to pass through on the lateral wall of cavity 52. Lifting motor 53 during operation drives lead screw 58 and rotates, thereby lead screw 58 acts on screw 54 and drives mounting panel 48 and reciprocate, and mounting panel 48 drives roof 4 through support arm 49 and risees or reduce to adjust the height of the second bed body 3, avoid patient to keep same posture for a long time and lead to tiredness.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a multi-functional ophthalmology nursing bed, includes the rectangular first bed body, the bottom four corners of the first bed body fixed mounting respectively has the supporting leg, the one end swing joint of the first bed body along length direction has the second bed body, its characterized in that: the second bed body comprises a top plate, a rectangular groove is vertically arranged on the top plate in a penetrating mode, two supporting plates are slidably mounted in the rectangular groove along the width direction of the first bed body, arc-shaped grooves used for enabling the face of a patient to be exposed are formed in the sides, close to each other, of the two supporting plates, and an adjusting mechanism used for driving the two supporting plates to synchronously close to or away from each other is arranged on the top plate; the bottom of the top plate is provided with a liftable bottom plate, the top of the bottom plate is fixedly provided with a first base plate for filling the rectangular groove between the two support plates, and the top of the bottom plate is also fixedly provided with two second base plates for filling the rectangular groove on the outer sides of the two support plates;
a sliding groove extending along the width direction of the first bed body is formed in the inner wall of the rectangular groove, and a sliding block matched with the sliding groove is fixedly installed on the supporting plate; the adjusting mechanism comprises a first bidirectional screw rod which is positioned in the sliding groove and driven by an adjusting motor to rotate, the first bidirectional screw rod and the sliding groove extend in the same direction, first external threads which correspond to the two sliding blocks one by one are arranged on the first bidirectional screw rod, the rotating directions of the two sections of the first external threads are opposite, and an opening and closing nut mechanism matched with the corresponding first external threads is arranged on the sliding blocks; a tension spring is connected between the two sliding blocks, a stop block is fixedly installed in the sliding groove between the two sliding blocks, when the two sliding blocks are both contacted with the stop block, the projection of the first backing plate along the vertical direction is superposed with the rectangular groove between the two supporting plates, and the projections of the two second backing plates along the vertical direction are respectively superposed with the rectangular grooves on the outer sides of the corresponding supporting plates;
the nut opening and closing mechanism comprises a sliding cavity arranged in the sliding block, a through hole for the first bidirectional screw to pass through is formed in the sliding block, and the through hole is communicated with the sliding cavity; the sliding cavity extends along the direction vertical to the first bidirectional screw rod, a sliding seat is installed in the sliding cavity in a sliding mode, a first half nut and a second half nut are oppositely arranged in the sliding cavity along the length direction of the sliding cavity, and the first bidirectional screw rod is located between the first half nut and the second half nut; the first half nut is fixedly arranged on the sliding seat, a fixing plate is fixedly arranged in the sliding cavity, and a spring enabling the first half nut to be far away from the first bidirectional lead screw is connected between the fixing plate and the sliding seat; the second half nut is slidably mounted on the sliding seat along the length direction of the sliding cavity, a screw rod extending along the length direction of the sliding cavity is rotatably mounted on the second half nut, and the screw rod is screwed on the sliding seat; a polygonal prism-shaped connecting column is fixedly installed at one end, far away from the second half nut, of the screw, a sleeve which is coaxial with the screw is rotatably installed on the fixing plate, and one end of the connecting column is slidably installed in the sleeve; the sliding block is rotatably provided with a sleeve which extends in the same direction as the first bidirectional screw, the sleeve is connected with the sleeve through a gear pair, two ends of the sleeve extend to the outer side of the sliding block, a polygonal column-shaped sliding rod is arranged in the sliding groove and can rotate around the central line of the sliding rod, the sliding rod extends in the same direction as the first bidirectional screw, and the two sleeves are slidably arranged on the sliding rod.
2. The multifunctional ophthalmic care bed of claim 1, wherein: two mounting grooves are oppositely formed in the bottom of the top plate along the width direction of the first bed body, a second bidirectional screw driven by a driving motor to rotate is arranged in each mounting groove, the second bidirectional screw is parallel to the plane where the top plate is located, two sections of second external threads with opposite rotation directions are arranged on the second bidirectional screw, and nuts are screwed on the two sections of second external threads respectively; two sliding rods are oppositely and fixedly installed on the bottom plate along the width direction of the first bed body, the sliding rods and the second bidirectional screw rod extend in the same direction, and two sliding blocks are installed on the sliding rods in a sliding mode; two connecting rods which are arranged in an X-shaped cross mode are arranged between the second bidirectional screw rod and the sliding rod on one corresponding side, the middle parts of the two connecting rods are hinged to each other through shaft pins, one end of each connecting rod is hinged to the corresponding nut, and the other end of each connecting rod is hinged to the corresponding sliding block.
3. The multifunctional ophthalmic care bed of claim 2, wherein: mounting shafts are fixedly mounted at two ends of the sliding rod respectively, the central line of the sliding rod is superposed with the axis of the mounting shafts, and the mounting shafts are rotatably mounted on the inner wall of the sliding chute; one end of one of the installation shafts extends into the installation groove on the corresponding side, and the installation shafts are connected with the corresponding second bidirectional screw rods through gear pairs.
4. The multifunctional ophthalmic-care bed of claim 1, wherein: first bed body is equipped with the mounting panel of liftable along length direction's one end, the mounting panel deviates from one side edge of the first bed body the relative fixed mounting of width direction of the first bed body has two support arms, the one end of roof is through following the connecting axle that the width direction of the first bed body extends rotates to be installed two between the support arm, the support arm with it is used for adjusting to articulate between the roof the electric putter of the angle of the second bed body.
5. The multifunctional ophthalmic care bed of claim 4, wherein: the bed body is adjacent to two of the second bed body all be equipped with the cavity in the supporting leg, be equipped with in the cavity by elevator motor drive pivoted lead screw, the vertical extension of lead screw, fixed mounting on the mounting panel with lead screw assorted screw, be equipped with the confession on the lateral wall of cavity the bar hole that the screw passes through.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310069592.1A CN115778709B (en) | 2023-02-07 | 2023-02-07 | Multifunctional ophthalmology nursing bed |
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| CN202310069592.1A CN115778709B (en) | 2023-02-07 | 2023-02-07 | Multifunctional ophthalmology nursing bed |
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| CN115778709B true CN115778709B (en) | 2023-04-18 |
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| CN110013402A (en) * | 2019-04-24 | 2019-07-16 | 李彬鑫 | A kind of adjustable type nursing bed for ophthalmology |
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