CN216294491U

CN216294491U - Multifunctional nursing bed for operating room

Info

Publication number: CN216294491U
Application number: CN202122162958.9U
Authority: CN
Inventors: 李远梅
Original assignee: Guizhou Xishui People's Hospital
Current assignee: Guizhou Xishui People's Hospital
Priority date: 2021-09-08
Filing date: 2021-09-08
Publication date: 2022-04-15
Anticipated expiration: 2031-09-08

Abstract

The utility model discloses a multifunctional nursing bed for an operating room, which comprises a base, a bed plate arranged on the base and universal wheels arranged below the base, wherein the bed plate is arranged on the base; the bed board comprises a telescopic plate, a lying plate, a backup plate, a support column, a fixed column and a hydraulic telescopic rod; the retractable plate is fixed on the upper surface of the base through the support column, and one end of the retractable plate is connected with the lying plate; the lying plate is fixed on the base through the fixing column, and one end of the lying plate, which is far away from the expansion plate, is hinged with the backup plate; meanwhile, the bottom surface of the backup plate is provided with a sliding groove, a sliding block is arranged in the sliding groove, the sliding block is hinged to one end of the hydraulic telescopic rod, and the other end of the hydraulic telescopic rod is fixed on the base. According to the utility model, the bottom surface of the backup plate is connected with the hydraulic telescopic rod, the backup plate is supported by the hydraulic telescopic rod, the backup plate is driven to move up and down by the hydraulic telescopic rod, and the effect of flexibly adjusting the angle between the backup plate and the lying plate can be realized because one end of the backup plate is hinged with the lying plate, so that different use requirements are met.

Description

Multifunctional nursing bed for operating room

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a nursing bed for an operating room.

Background

Currently, with the continuous development of medical economy, medical resource devices are continuously improved. The nursing bed greatly improves the rehabilitation nursing level of a patient, provides great convenience for nursing staff, can help the patient who cannot take care of himself to change the posture of the body by utilizing the adjustable nursing bed, improves the living quality of the patient, solves a series of nursing problems, and enables a doctor to perform operation and nursing on the patient better.

However, the existing nursing bed has single function, the size of the nursing bed is difficult to adjust according to the specific situation of a user, the user cannot comfortably nurse on the nursing bed, the recovery period of the patient is affected, and the working effect is poor.

Moreover, the existing nursing bed can not realize the effect of transferring at the same time, and the use is inconvenient. Currently, a patient is generally transferred to a transfer bed before an operation, and then the patient is transferred to an operating room by the transfer bed. But when transferring the bed from the operating room outside and getting into within the operating room, its wheel can be contaminated by the external world, can not directly get into the operating room, needs carry out necessary disinfection, clearance to transferring the bed earlier, will transfer the bed whole after the clearance disinfection and transfer in the operating room, disinfect, wash transferring the bed, waste time and energy again, also cause when transferring personnel or the inefficiency of transferring surgical instruments, medicine etc..

Therefore, how to provide a multifunctional nursing bed for an operating room is a problem that needs to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a multifunctional nursing bed for an operating room, which is simple in structure, and can realize the adjustment of the angle of a lying plate and the adjustment of the length and the height of a bed plate through the mutual matching of the structures, thereby meeting different use requirements and increasing the practicability of the nursing bed.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a multifunctional nursing bed for an operating room comprises a base, a bed plate arranged on the base and universal wheels arranged below the base;

the bed board comprises a telescopic plate, a lying plate, a backup plate, a support column, a fixed column and a hydraulic telescopic rod;

the retractable plate is fixed on the base through the support column, and one end of the retractable plate is connected with the lying plate;

the lying plate is fixed on the base through the fixing column, and one end of the lying plate, which is far away from the expansion plate, is hinged with the backup plate;

meanwhile, a sliding groove is formed in the bottom surface of the backup plate, a sliding block is arranged in the sliding groove, the sliding block is hinged to one end of the hydraulic telescopic rod, and the other end of the hydraulic telescopic rod is fixed to the upper surface of the base.

The beneficial effects of the preferred technical scheme are as follows: according to the utility model, the bottom surface of the backup plate is connected with the hydraulic telescopic rod, the backup plate is supported by the hydraulic telescopic rod, the backup plate is driven to move up and down by the hydraulic telescopic rod, and the effect of flexibly adjusting the angle between the backup plate and the lying plate can be realized because one end of the backup plate is hinged with the lying plate, so that different use requirements are met.

Preferably, the hydraulic telescopic rod comprises a piston rod, a cylinder, a piston, a control valve group, a hydraulic oil pump and a hydraulic oil tank; one end of the piston rod is hinged with the sliding block, and the other end of the piston rod is inserted into the cylinder barrel and is in sliding connection with the cylinder barrel through the piston; the cylinder barrel is fixed on the base, and the piston divides the interior of the cylinder barrel into a rod cavity and a rodless cavity; one end of the rod cavity, which is far away from the rodless cavity, is sealed by a front end cover, a first oil inlet and outlet is arranged on the front end cover, and the first oil inlet and outlet is communicated with the hydraulic oil pump and the hydraulic oil tank through the control valve group; and a second oil inlet and outlet is formed in one end, far away from the rod cavity, of the rodless cavity, and the second oil inlet and outlet is communicated with the hydraulic oil pump and the hydraulic oil tank through the control valve group.

The beneficial effects of the preferred technical scheme are as follows: according to the utility model, the piston rod, the cylinder barrel, the piston, the hydraulic oil pump and the hydraulic oil tank are matched with each other and are controlled by the control valve group, so that the extending and retracting actions of the piston rod relative to the cylinder barrel can be completed, and the relative angle of the backup plate and the lying plate can be driven and adjusted.

The control valve group comprises a reversing valve, the reversing valve is a three-position four-way reversing valve, two working oil ports of the reversing valve are respectively communicated with a first oil inlet and outlet and a second oil inlet and outlet, an oil inlet of the reversing valve is communicated with the hydraulic oil tank through the hydraulic oil pump, and an oil return port of the reversing valve is communicated with the hydraulic oil tank.

When the hydraulic telescopic rod is in an extending process, the reversing valve controls the first oil inlet and outlet to be communicated with an oil return opening of the reversing valve, and the second oil inlet and outlet is communicated with an oil inlet of the reversing valve; when the hydraulic telescopic rod is in a retraction process, the reversing valve controls the first oil inlet and outlet to be communicated with an oil inlet of the reversing valve, and the second oil inlet and outlet is communicated with an oil outlet of the reversing valve.

Preferably, an accommodating groove is formed in one end, close to the lying plate, of the telescopic plate along the telescopic direction, a linkage block is vertically fixed to the bottom surface of the telescopic plate, and a threaded hole is horizontally formed in the inner edge of the linkage block;

one end of the lying plate, which is close to the expansion plate, extends into the accommodating groove, and an installation groove is formed in the lying plate;

a driving motor is fixed on the inner wall of the mounting groove, and the output end of the driving motor is connected with one end of the rotating shaft;

the other end of the rotating shaft is rotatably connected with the inner wall of the mounting groove through a bearing, a vertically arranged driving wheel is fixedly connected to the periphery of the rotating shaft, and the driving wheel is meshed with a driven wheel;

the driven wheel is vertically arranged, and the rotating center of the driven wheel is vertically and fixedly connected with a threaded rod in a penetrating manner;

threaded rod one end pass through the bearing with the connecting block opposite of service creeper is connected, and the other end passes through the screw hole passes linkage block, and with screw hole threaded connection.

The beneficial effects of the preferred technical scheme are as follows: the lying plate can be accommodated through the accommodating groove, so that the lying plate extends into the accommodating groove to achieve the effect of contracting the length of the whole bed board; a driving motor is fixed in the mounting groove, and the driving wheel and the driven wheel are driven to rotate by the driving motor; the rotating center of the driven wheel is connected with the threaded rod, so that the threaded rod can be driven to rotate; the threaded rod penetrates through the threaded hole and is in threaded connection with the threaded hole, so that the threaded rod and the linkage block rotate relatively, and the linkage block moves horizontally relative to the threaded rod; the linkage block drives the expansion plate, so that the expansion plate and the threaded rod move in the horizontal direction relatively, the expansion plate and the lying plate move relatively, and the effect of electrically adjusting the length of the whole bed plate is achieved. Meanwhile, one end of the threaded rod penetrates through the rotation center of the driven wheel and is connected with the lying plate through the bearing, so that the threaded rod and the driven wheel can be stably installed, the threaded rod can be stably rotated through the bearing connection, excessive abrasion between the threaded rod and the lying plate is avoided, and the threaded rod between the driven wheel and the connecting block can be free of external threads.

Preferably, the end face of one end, extending into the accommodating groove, of the lying plate is larger than the outlet section of the accommodating groove; the end face of one end, penetrating through the threaded hole, of the threaded rod is larger than the section of the threaded hole.

The beneficial effects of the preferred technical scheme are as follows: the end surface of one end, extending into the accommodating groove, of the lying plate is larger than the outlet section of the accommodating groove, so that the lying plate can be prevented from being separated from the accommodating groove; the end surface of one end of the threaded rod penetrating through the threaded hole is larger than the cross section of the threaded hole, so that the threaded rod can be prevented from being separated from the threaded hole. Generally speaking, through mutually supporting such as service creeper, holding tank, threaded rod, screw hole through-hole, can improve the stability of device operation.

Preferably, the spring is installed along the direction of stretching and contracting in the holding tank, spring one end is connected the inner wall of holding tank, the other end is connected the service creeper.

The beneficial effects of the preferred technical scheme are as follows: through along the direction installation spring that stretches out and draws back in the holding tank, can avoid service creeper and holding tank inner wall to take place the striking, avoid taking place wearing and tearing between the device, improve the security of device operation.

Preferably, the slide ways are symmetrically arranged on the upper surface of the base along the extension direction; one end of the supporting column extends into the slide way and is connected with the base in a sliding mode, and the other end of the supporting column is connected with the bottom face of the expansion plate.

The beneficial effects of the preferred technical scheme are as follows: the supporting column is mutually matched with a slideway arranged on the bottom surface of the bottom plate along the telescopic direction, so that the supporting column can move along with the bed plate in the telescopic direction.

Preferably, the support column stretches into the fixed block is connected to the one end of slide, the width of support column is less than the width of slide up end, just the width of fixed block is greater than the width of slide up end is less than the width of slide.

The beneficial effects of the preferred technical scheme are as follows: because the fixed block width is greater than slide up end width to can inject the support column through the fixed block, avoid the support column to deviate from above the slide, improve device operating stability.

Preferably, the detachable threaded columns are vertically arranged at two ends of the slide way.

The beneficial effects of the preferred technical scheme are as follows: the two ends of the slideway are vertically connected with detachable threaded columns, so that the supporting columns can be limited and are prevented from falling off from the two ends of the slideway; and the detachable threaded rod can meet the detaching requirement, so that the device is convenient to detach and assemble.

Preferably, the base comprises a bottom plate, a telescopic column and a bottom frame, the supporting column, the fixing column and the hydraulic telescopic rod are connected to the upper surface of the bottom plate, the lower surface of the bottom plate is connected with the bottom frame through the telescopic column, and the universal wheels are connected to the lower surface of the bottom frame.

Preferably, the telescopic column comprises an inner rod and a telescopic cylinder;

one end of the inner rod is connected with the bottom surface of the bottom plate, and the other end of the inner rod extends into the telescopic cylinder;

one end of the telescopic cylinder, which is far away from the inner rod, is connected with the underframe;

meanwhile, the inner rod and the telescopic cylinder are respectively provided with a plurality of through holes along the horizontal direction;

and a screw penetrates through the through hole to relatively fix the inner rod and the telescopic cylinder.

The beneficial effects of the preferred technical scheme are as follows: because the inner rod and the telescopic barrel are respectively provided with a plurality of through holes along the horizontal direction, the relative position of the support rod and the support barrel can be adjusted up and down by dismounting the screw, and after the relative position is adjusted to the designated position, the screw penetrates through the through holes which are mutually overlapped of the inner rod and the telescopic barrel, so that the inner rod and the telescopic barrel are relatively fixed.

Preferably, the bed mattress is installed on the expansion plate, the service creeper and the backup plate, the guardrail is installed to the service creeper both sides.

The beneficial effects of the preferred technical scheme are as follows: the bed cushions are arranged on the expansion plate, the lying plate and the backup plate, so that a patient can have a rest on the bed conveniently; and the guardrails are arranged on the two sides of the lying plate to play a role in protection.

According to the technical scheme, compared with the prior art, the utility model discloses a multifunctional nursing bed for an operating room, which has the following beneficial effects:

(1) the multifunctional nursing bed for the operating room provided by the utility model is simple in structure, convenient to operate and use, capable of meeting the use requirements under different conditions and excellent in practicability;

(2) the structure is matched with each other, so that the angle of the lying plate can be adjusted, the length and the height of the bed plate can be adjusted, and the bed has excellent practicability.

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, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic view of a multifunctional nursing bed for an operating room according to the present invention;

FIG. 2 is a schematic structural view of a support bar and a slide way provided by the present invention;

FIG. 3 is a schematic structural view of a hydraulic telescopic rod provided by the present invention;

FIG. 4 is a schematic diagram of the operation of the control valve assembly of the present invention;

fig. 5 is a schematic structural diagram of the telescopic column provided by the utility model.

In the figure: the hydraulic cylinder comprises a base 1, a telescopic plate 2, a lying plate 3, a backing plate 4, a support column 5, a fixed column 6, a hydraulic telescopic rod 7, a piston rod 8, a cylinder barrel 9, a piston 10, a reversing valve 11, a hydraulic oil pump 12, a hydraulic oil tank 13, a rod cavity 14, a rodless cavity 15, a front end cover 16, a first oil inlet and outlet 17, a second oil inlet and outlet 18, a holding tank 19, a linkage block 20, a mounting groove 21, a driving motor 22, a rotating shaft 23, a bearing 24, a driving wheel 25, a driven wheel 26, a threaded hole 27, a threaded rod 28, a spring 29, a slideway 30, a fixed block 31, a detachable threaded column 32, a bottom plate 33, a telescopic column 34, a chassis 35, an inner rod 36, a telescopic cylinder 37, a screw 38, a wheel 39, a through hole 40, a connecting block 41, a sliding groove 42 and a sliding block 43.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

The embodiment 1 of the utility model discloses a multifunctional nursing bed for an operating room, which comprises a base, a bed plate arranged on the base and universal wheels arranged below the base;

the retractable plate is fixed on the upper surface of the base through the support column, and one end of the retractable plate is connected with the lying plate;

meanwhile, the bottom surface of the backup plate is provided with a sliding groove, a sliding block is arranged in the sliding groove, the sliding block is hinged to one end of the hydraulic telescopic rod, and the other end of the hydraulic telescopic rod is fixed on the base.

In order to further optimize the technical scheme, the hydraulic telescopic rod comprises a piston rod, a cylinder barrel, a piston, a control valve group, a hydraulic oil pump and a hydraulic oil tank; one end of the piston rod is hinged with the sliding block, and the other end of the piston rod is inserted into the cylinder barrel and is in sliding connection with the cylinder barrel through the piston; the cylinder barrel is fixed on the base, and the piston divides the interior of the cylinder barrel into a rod cavity and a rodless cavity; one end of the rod cavity, which is far away from the rodless cavity, is sealed by a front end cover, a first oil inlet and outlet is arranged on the front end cover, and the first oil inlet and outlet is communicated with a hydraulic oil pump and a hydraulic oil tank through a control valve group; and a second oil inlet and outlet is formed in one end of the rodless cavity, which is far away from the rod cavity, and the second oil inlet and outlet is communicated with the hydraulic oil pump and the hydraulic oil tank through a control valve group.

The control valve group comprises a reversing valve, the reversing valve is a three-position four-way reversing valve, two working oil ports of the reversing valve are respectively communicated with a first oil inlet and a second oil inlet, an oil inlet of the reversing valve is communicated with a hydraulic oil tank through a hydraulic oil pump, and an oil return port of the reversing valve is communicated with the hydraulic oil tank.

In order to further optimize the technical scheme, an accommodating groove is formed in one end, close to the lying plate, of the telescopic plate along the telescopic direction, a linkage block is vertically fixed to the bottom surface of the accommodating groove, and a threaded hole is horizontally formed in the inner edge of the linkage block;

the other end of the rotating shaft is rotatably connected with the inner wall of the mounting groove through a bearing, a driving wheel which is vertically arranged is fixedly connected to the periphery of the rotating shaft, and the driving wheel is meshed with a driven wheel;

one end of the threaded rod is connected with the connecting block on the bottom surface of the lying plate through a bearing, and the other end of the threaded rod penetrates through the linkage block through a threaded hole and is in threaded connection with the threaded hole.

In order to further optimize the technical scheme, the end face of one end, extending into the accommodating groove, of the lying plate is larger than the outlet section of the accommodating groove; the end surface of one end of the threaded rod penetrating through the threaded hole is larger than the section of the threaded hole.

For further optimization technical scheme, install the spring along the direction of stretching out and drawing back in the holding tank, the inner wall of holding tank is connected to spring one end, and the service creeper is connected to the other end.

In order to further optimize the technical scheme, slideways are symmetrically arranged on the upper surface of the base along the telescopic direction; one end of the supporting column extends into the slideway to be connected with the base in a sliding manner, and the other end of the supporting column is connected with the bottom surface of the telescopic plate.

For further optimization technical scheme, the one end that the support column stretched into the slide is connected the fixed block, and the width of support column is less than the width of slide up end, and the width of fixed block is greater than the width of slide up end, is less than the width of slide.

For further optimization technical scheme, the both ends of slide are set up perpendicularly and are dismantled the screw thread post.

For further optimization technical scheme, the base includes bottom plate, flexible post and chassis, and support column, fixed column and hydraulic telescoping rod are connected to the higher authority of bottom plate, connect the chassis through flexible post below, connect the universal wheel below the chassis.

In order to further optimize the technical scheme, the telescopic column comprises an inner rod and a telescopic cylinder; one end of the inner rod is connected with the bottom surface of the bottom plate, and the other end of the inner rod extends into the telescopic cylinder; one end of the telescopic cylinder, which is far away from the inner rod, is connected with the underframe; meanwhile, the inner rod and the telescopic cylinder are respectively provided with a plurality of through holes along the horizontal direction; the screw passes through the through hole to relatively fix the inner rod and the telescopic cylinder.

For further optimization technical scheme, install the mattress above expansion plate, service creeper and the backup plate, the guardrail is installed to the service creeper both sides.

The operation principle is as follows:

firstly, the multifunctional nursing bed for the operating room is moved to a designated position and is fixed through a brake mechanism of a universal wheel.

Then, the relative position of the inner rod and the telescopic cylinder is adjusted to enable the nursing bed to be adjusted to a reasonable height, the inner rod and the telescopic cylinder are respectively provided with a plurality of through holes along the horizontal direction, the relative position of the support rod and the support cylinder can be adjusted up and down by detaching the screw, and after the adjustment is carried out to a designated position, the screw penetrates through the through holes formed in the mutual overlapping of the inner rod and the telescopic cylinder to fix the inner rod and the telescopic cylinder relatively.

Then, starting the driving motor to drive the rotating shaft to rotate, and driving the driving wheel to rotate by the rotating shaft; the driving wheel is meshed with the driven wheel, so that the driven wheel can be driven to rotate; the rotating center of the driven wheel is fixedly connected with the threaded rod, so that the threaded rod can be continuously driven to rotate, and meanwhile, one end of the threaded rod penetrates through the threaded hole of the linkage block and is in threaded connection with the threaded hole, so that the threaded rod and the linkage block move relatively in the horizontal direction in the rotating process; and the linkage block is fixed with the bottom surface of the telescopic plate, so that the telescopic plate, the threaded rod, the driven wheel, the driving wheel, the rotating shaft, the driving motor and the lying plate can move relatively in the horizontal direction. Therefore, the lying plate can finish the operation of extending in or extending out relative to the telescopic plate by driving the motor to rotate forwards or reversely, and the effect of adjusting the length of the bed plate is further achieved.

Wherein, can hold the service creeper through the holding tank, make the service creeper stretch into the holding tank and reach the effect of the whole bed board length of shrink. Because the end face of one end, extending into the accommodating groove, of the lying plate is larger than the outlet cross section of the accommodating groove, the lying plate can be prevented from being separated from the accommodating groove. The end surface of one end of the threaded rod penetrating through the threaded hole is larger than the cross section of the threaded hole, so that the threaded rod can be prevented from being separated from the threaded hole. Generally speaking, through mutually supporting such as service creeper, holding tank, threaded rod, screw hole through-hole, can improve the stability of device operation. In addition, through follow the direction installation spring that contracts in the holding tank, can avoid service creeper and holding tank inner wall to take place the striking, avoid taking place wearing and tearing between the device, the device operation is unsafe.

And at the in-process of expansion plate and service creeper relative movement, the support column that the expansion plate bottom surface is connected slides in step in the slide, and because the fixed block width is greater than slide up end width to can inject the support column through the fixed block, avoid the support column to deviate from above the slide, improve device operating stability. In addition, the two ends of the slide way are vertically connected with the detachable threaded rods, so that the supporting columns can be limited, and the supporting columns are prevented from falling off from the two ends of the slide way; and the detachable threaded rod can meet the detaching requirement, so that the device is convenient to detach and assemble.

In addition, because the backup plate bottom surface is equipped with the spout, is equipped with the slider in the spout, is connected with hydraulic telescoping rod through the slider, supports through hydraulic telescoping rod, and through hydraulic telescoping rod ascent and descent drive backup plate reciprocate, and because backup plate one end is articulated with the service creeper, so can realize the effect that the angle can be adjusted in a flexible way between backup plate and the service creeper to satisfy different user demands.

Wherein, hydraulic telescoping rod passes through piston rod, cylinder, piston, hydraulic oil pump and hydraulic tank and constitutes, mutually supports to the control valve group control can be accomplished the piston rod for stretching out and the shrink action of cylinder, thereby can drive regulation backup plate and service creeper relative angle. The control valve group selects to use a three-position four-way reversing valve, two working oil ports of the reversing valve are respectively communicated with a first oil inlet and a second oil inlet, an oil inlet of the reversing valve is communicated with a hydraulic oil tank through a hydraulic oil pump, and an oil return port of the reversing valve is communicated with the hydraulic oil tank.

As shown in the figure, the port A is communicated with the first oil inlet and outlet, the port B is communicated with the second oil inlet and outlet, the port P is an oil inlet of the reversing valve, the port T is an oil outlet and return port of the reversing valve, and the valve core can realize the conversion of three positions of a left position, a middle position and a right position.

When the valve core is in the middle position, the oil ports are not communicated, and the pressure of the rod cavity and the pressure of the rodless cavity on the two sides of the piston are relatively balanced, so that the piston rod is static relative to the cylinder barrel, and the position of the piston rod and the backup plate are stable, and the angle is relatively fixed.

When the valve core is at the right position, the oil path can be discharged from the inlet B of the port P, and the port A is communicated with the port T. The first oil inlet and outlet is controlled by the reversing valve to be communicated with an oil return opening of the reversing valve, so that the first oil inlet and outlet is communicated with the hydraulic oil tank through the oil return opening of the reversing valve, and hydraulic oil in a rod cavity is conveyed to the hydraulic oil tank. Meanwhile, the second oil inlet and outlet is communicated with the oil inlet of the reversing valve, so that the second oil inlet and outlet is connected with the hydraulic oil tank through the oil inlet of the reversing valve and the hydraulic oil pump, and hydraulic oil in the hydraulic oil tank can be conveyed to the rodless cavity through the hydraulic oil pump. Along with the continuous increase of hydraulic oil in the rodless cavity and the continuous decrease of hydraulic oil in the rod cavity, the piston and the piston rod are pushed to move upwards, and the hydraulic telescopic rod is in the extending process.

When the valve core is in the left position, the hydraulic pressure inner rod is in the retraction process, and as can be seen from the figure, the oil way can be discharged from the port P to the port A, and the port B is communicated with the port T. Thereby the first business turn over hydraulic fluid port of messenger passes through the oil inlet of switching-over valve, hydraulic oil pump and is connected with the hydraulic tank, and then can carry the hydraulic oil in the hydraulic tank to there being the pole chamber through the hydraulic oil pump. Meanwhile, the second oil inlet and outlet is communicated with the oil outlet of the reversing valve, so that the second oil inlet and outlet is communicated with the hydraulic oil tank through the oil return port of the reversing valve, and hydraulic oil in the rodless cavity is conveyed to the hydraulic oil tank. Along with no continuous reduction of pole intracavity hydraulic oil, have the pole intracavity hydraulic oil constantly to increase, rely on the pressure of backup plate self gravity transmission to piston rod simultaneously, can promote piston, piston rod downstream, make hydraulic telescoping rod be in the process of retracting.

The bed cushions are arranged on the expansion plate, the lying plate and the backup plate, so that a patient can have a rest on the bed conveniently; and the guardrails are arranged on the two sides of the lying plate to play a role in protection.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A multifunctional nursing bed for an operating room is characterized by comprising a base, a bed plate arranged on the base and universal wheels arranged below the base;

2. The multifunctional nursing bed for operating rooms as claimed in claim 1, wherein the hydraulic telescopic rod comprises a piston rod, a cylinder, a piston, a control valve group, a hydraulic oil pump and a hydraulic oil tank; one end of the piston rod is hinged with the sliding block, and the other end of the piston rod is inserted into the cylinder barrel and is in sliding connection with the cylinder barrel through the piston; the cylinder barrel is fixed on the base, and the piston divides the interior of the cylinder barrel into a rod cavity and a rodless cavity; one end of the rod cavity, which is far away from the rodless cavity, is sealed by a front end cover, a first oil inlet and outlet is arranged on the front end cover, and the first oil inlet and outlet is communicated with the hydraulic oil pump and the hydraulic oil tank through the control valve group; and a second oil inlet and outlet is formed in one end, far away from the rod cavity, of the rodless cavity, and the second oil inlet and outlet is communicated with the hydraulic oil pump and the hydraulic oil tank through the control valve group.

3. The multifunctional nursing bed for operating rooms as claimed in claim 1, wherein an accommodating groove is formed in one end of the expansion plate close to the lying plate along the expansion direction, a linkage block is vertically fixed on the bottom surface of the expansion plate, and a threaded hole is horizontally formed in the inner edge of the linkage block;

threaded rod one end pass through the bearing with the connecting block of service creeper bottom surface is connected, and the other end passes through the screw hole passes the linkage piece, and with screw hole threaded connection.

4. The multifunctional nursing bed for operating rooms as claimed in claim 3, wherein the end surface of the lying plate extending into one end of the receiving groove is larger than the outlet cross section of the receiving groove; the end face of one end, penetrating through the threaded hole, of the threaded rod is larger than the section of the threaded hole.

5. The multifunctional nursing bed for operating rooms as claimed in claim 4, wherein a spring is installed in the accommodating groove along the extending direction, one end of the spring is connected to the inner wall of the accommodating groove, and the other end of the spring is connected to the lying plate.

6. The multifunctional nursing bed for operating rooms as claimed in claim 1, wherein the upper surface of the base is symmetrically provided with slideways along the extending direction; one end of the supporting column extends into the slide way and is connected with the base in a sliding mode, and the other end of the supporting column is connected with the bottom face of the expansion plate.

7. The multifunctional nursing bed for operating rooms as claimed in claim 6, wherein one end of the supporting column extending into the slide way is connected with a fixing block, the width of the supporting column is smaller than the width of the upper end face of the slide way, and the width of the fixing block is larger than the width of the upper end face of the slide way and smaller than the width of the slide way.

8. The multifunctional nursing bed for operating rooms as claimed in claim 6, wherein the two ends of the slide way are vertically provided with detachable threaded columns.

9. The multifunctional nursing bed for operating rooms as claimed in any one of claims 1 to 8, wherein the base comprises a bottom plate, a telescopic column and a bottom frame, the upper surface of the bottom plate is connected with the supporting column, the fixing column and the hydraulic telescopic rod, the lower surface of the bottom plate is connected with the bottom frame through the telescopic column, and the lower surface of the bottom frame is connected with the universal wheel.

10. The multifunctional nursing bed for operating rooms as claimed in claim 9, wherein the telescopic column comprises an inner rod and a telescopic cylinder;