CN114432049A - Folding assembled medical operation bed of bed plate stretcher and assembling method - Google Patents

Abstract

The invention discloses a folding assembled medical operation bed of a bed plate stretcher and an assembling method, and relates to the technical field of medical instruments. The stretcher solves the problems that the structure of the stretcher in the prior art is complex, the weight of the stretcher is increased, and when a patient is moved, the burden of medical personnel is increased, the multiple positions of adjustment are needed, and the use is inconvenient. The invention provides a folding assembled medical operation bed of a bed plate stretcher and an assembling method, which are provided with a medical bed frame and a stretcher body, wherein the stretcher body achieves the purpose of moving a patient, the medical bed frame is used for supporting the stretcher body, and the stretcher body is assembled into the medical operation bed under the condition that the patient does not need to be moved, so that the secondary injury of the patient is avoided.

Description

Folding assembled medical operation bed of bed plate stretcher and assembling method

Technical Field

The invention relates to the technical field of medical instruments, in particular to a folding assembled medical operating bed of a bed plate stretcher and an assembling method.

Background

The stretcher is characterized in that the stretcher comprises a stretcher body, a first moving part and a second moving part, wherein the stretcher body is provided with a first moving part and a second moving part, the first moving part is provided with a first moving part and a second moving part, the second moving part is provided with a second moving part, and the first moving part is provided with a second moving part and a second moving part. In addition, the operating bed is widely applied to various operating environments, the existing operating bed is heavy and heavy, emergency transportation to other places is difficult, and a large amount of manpower and material resources are consumed.

Chinese patent CN209734352U discloses a tensile foldable removal stretcher based on balance car principle, including automobile body, folding stretcher, support frame and jack, folding stretcher is installed to the automobile body left and right sides symmetry, and the support frame is installed to folding stretcher lower extreme, and folding stretcher upper end is connected with jack, and folding stretcher includes the base plate, the widening board, the extension board, the expansion plate, spliced pole and connecting plate, and the automobile body includes bottom plate, walking wheel, the mounting bracket, the working plate, bearing extension board and handlebar, and jack is including receiving and releasing the roller, the turning block, stretcher cloth and mount, and the support frame includes the fixed plate, the handrail, the rotating turret, remove wheel and bearing bracket. The utility model discloses a can solve that the adjustability that exists is poor in the current stretcher use, occupation space big and remove difficult problem such as difficulty under the traffic jam condition, have accomodate convenient, be convenient for remove under the traffic jam condition, the adjustability good with advantage such as stability in use height.

Although this application solves the problems in the background art to some extent, the following problems exist in this application: 1. the stretcher has a complex structure, the weight of the stretcher is increased, and the burden of medical staff is increased when a patient is moved; 2. the adjustment in multiple positions is needed, and the use is inconvenient.

Disclosure of Invention

The invention aims to provide a folding assembled medical operation bed of a bed plate stretcher and an assembling method, the folding assembled medical operation bed is provided with a medical bed frame and a stretcher body, the stretcher body achieves the purpose of moving a patient by the stretcher, the medical bed frame is used for supporting the stretcher body, and the stretcher body is assembled into the medical operation bed under the condition that the patient does not need to be moved, so that the secondary injury of the patient is avoided; the medical bed frame comprises a supporting box body, a driving assembly, a middle supporting assembly and an end supporting assembly, the driving assembly is used for connecting the middle supporting assembly and the end supporting assembly, when the medical bed frame is used, the end supporting assembly can be pulled open through the driving assembly, meanwhile, the middle supporting assembly is driven to be unfolded, the medical bed frame in a folded state is unfolded in one step, and the operation is convenient; when the stretcher body is assembled, the two ends of the lower part of the expansion bracket are closed, the position on the guide rod where the stretcher body is installed is reserved, and the supporting block on the stretcher body is clamped with the guide rod, so that the medical operation bed can be assembled, and the operation is easy; after the assembly is finished, the lower end of the telescopic frame is in contact with the ground, the end supporting plate is supported, the middle supporting plate is in contact with the ground, the medical bed frame is supported, and the middle supporting assembly and the end supporting assembly respectively support the middle part and the end part of the stretcher body, so that the structure is stable; the stretcher body is injectd the distance between the terminal supporting component, and patient's dead weight exerts pressure to the stretcher body, the whole auto-lock of medical treatment operation table, and sound construction to solve the problem that proposes among the above-mentioned background art.

In order to achieve the purpose, the invention provides the following technical scheme: a folding assembly type medical operation bed of a bed plate stretcher comprises a medical bed frame and a stretcher body, wherein the medical bed frame comprises a supporting box body, a driving assembly, a middle supporting assembly and an end supporting assembly;

the driving assembly comprises a central gear, a first pushing rack rod, a second pushing rack rod and a transmission worm wheel, the central gear is movably connected with the inside of the supporting box body through a supporting frame, the first pushing rack rod and the second pushing rack rod which are meshed with the central gear are arranged on two sides of the central gear, the first pushing rack rod and the second pushing rack rod penetrate through the supporting box body, an end supporting assembly is arranged at one end, far away from the first pushing rack rod and the second pushing rack rod, of the end supporting assembly, a central shaft of the central gear is fixedly connected with a synchronous worm, the synchronous worm is meshed with the transmission worm wheel, and the transmission worm wheel is meshed with the middle supporting assembly;

the end supporting assembly comprises an end supporting plate and a telescopic supporting assembly, a groove is formed in the end supporting plate, and the telescopic supporting assembly is installed in the groove;

the middle supporting component comprises a driving rotating rod, a driven rotating rod, a connecting rod and a middle supporting plate, the driving rotating rod is meshed with the transmission worm wheel, one end of the driving rotating rod is connected with the driven rotating rod through the connecting rod, and one end of the driven rotating rod is hinged with the middle supporting plate.

Preferably, one side of the end supporting plate is fixedly connected with one end of the first pushing rack rod or one end of the second pushing rack rod, reinforcing rods are arranged at two ends of the end supporting plate, which are close to one side of the supporting box body, and the reinforcing rods are movably connected with the supporting box body.

Preferably, the supporting box body is provided with a movable hole matched with the reinforcing rod, the supporting box body is provided with a through hole matched with the first pushing rack rod and the second pushing rack rod, and the lower end of the supporting box body is of an open structure so that the middle supporting component can be conveniently folded in a telescopic mode.

Preferably, flexible supporting component includes guide bar, expansion bracket, connecting piece and supporting spring, the both ends of guide bar respectively with recess fixed connection, the one end and the connecting piece hinge of expansion bracket are connected, connecting piece and supporting spring all cup joint with the guide bar, the guide bar is connected with stretcher body block.

Preferably, two groups of telescopic frames are arranged on the guide rod, a supporting spring is arranged between the connecting pieces connected with the same telescopic frame, and two ends of the supporting spring are fixedly connected with the connecting pieces respectively.

Preferably, handrails are arranged at two ends of the stretcher body, a supporting block is arranged on the lower surface of the stretcher body, a clamping groove is formed in the lower surface of the supporting block, and the clamping groove is connected with the guide rod in a clamping mode.

Preferably, the driving rotating rod, the driven rotating rod, the connecting rod and the middle supporting plate are all provided with two parts, one end of the driving rotating rod is movably connected with the supporting box body through a rotating shaft, one end, close to the rotating shaft, of the driving rotating rod is provided with a transmission gear, the two transmission gears are meshed, and one of the transmission gears is meshed with the transmission worm gear.

Preferably, the central shaft of the transmission worm wheel is connected with the inside of the supporting box body through a bearing.

Preferably, the upper surface symmetry of middle part backup pad is provided with the hinge ring, and the middle part backup pad passes through hinge ring and driven bull stick swing joint, and the lower surface of middle part backup pad is provided with the removal universal wheel.

Another technical problem to be solved by the present invention is to provide an assembling method of a folding assembled medical operation bed of a bed plate stretcher, comprising the following steps:

s1: the stretcher body is used for moving the patient, the handrails are convenient for medical staff to grasp, and after the patient is moved into the treatment area, the stretcher body is assembled with the medical bed frame;

s2: during assembly, two medical personnel pull apart the distance between the end supporting plates, in the pulling apart process, the first pushing rack rod and the second pushing rack rod move reversely, the central gear rotates to drive the synchronous worm to rotate, the rotating force is transmitted to the driving rotating rod through the transmission worm gear, the driving rotating rod rotates oppositely to drive one end of the driven rotating rod connected with the middle supporting plate to move downwards;

s3: after the distance between the end supporting plates is pulled to the maximum, the middle supporting plate is contacted with the ground to support the medical bed frame;

s4: manually drawing the two ends of the lower part of the telescopic frame together to enable the connecting piece at the upper end of the telescopic frame to extrude the supporting spring to contract, and enlarging the position of the guide rod without the supporting spring;

s5: with supporting shoe and the guide bar block on the stretcher body, the connecting piece offsets with the both ends of supporting shoe, and the length of expansion bracket is fixed, and the lower extreme and the ground contact of expansion bracket support the tip backup pad, and middle part supporting component and tip supporting component support stretcher body middle part and tip respectively, and the stretcher body is injectd the distance between the tip supporting component, and the stretcher body can regard as the operation table to use.

Compared with the prior art, the invention has the beneficial effects that:

1. the invention provides a folding assembled medical operation bed of a bed plate stretcher and an assembling method, which are provided with a medical bed frame and a stretcher body, wherein the stretcher body achieves the purpose of moving a patient by the stretcher;

2. the medical bed frame comprises a supporting box body, a driving assembly, a middle supporting assembly and an end supporting assembly, wherein the driving assembly is used for connecting the middle supporting assembly and the end supporting assembly;

3. according to the folding assembly type medical operation bed of the bed plate stretcher and the assembly method, when the stretcher body is assembled, the two ends of the lower part of the expansion bracket are closed, the position for installing the stretcher body on the guide rod is reserved, the support block on the stretcher body is clamped with the guide rod, so that the medical operation bed can be assembled, and the operation is easy;

4. according to the folding assembly type medical operation bed of the bed plate stretcher and the assembly method, after assembly is completed, the lower end of the expansion bracket is in contact with the ground to support the end supporting plate, the middle supporting plate is in contact with the ground to support the medical bed frame, and the middle supporting assembly and the end supporting assembly respectively support the middle part and the end part of the stretcher body, so that the structure is stable;

5. according to the folding assembly type medical operation bed of the bed plate stretcher and the assembly method, the distance between the end supporting assemblies is limited by the stretcher body, the stretcher body is pressed by the dead weight of a patient, the medical operation bed is integrally self-locked, and the structure is firm.

Drawings

FIG. 1 is an overall block diagram of the present invention;

fig. 2 is a structural view of the stretcher body of the invention;

FIG. 3 is a view showing the construction of the frame of the medical bed according to the present invention;

FIG. 4 is a view of the drive assembly connection structure of the present invention;

FIG. 5 is an enlarged view of the invention at A;

FIG. 6 is a view of the configuration of the middle support assembly of the present invention;

FIG. 7 is a view of the middle support assembly of the present invention in an operational position;

fig. 8 is a structural view of a telescopic support assembly of the present invention.

In the figure: 1. a stretcher body; 11. a handrail; 12. a support block; 121. a clamping groove; 2. supporting the box body; 3. a drive assembly; 31. a sun gear; 311. a synchronous worm; 32. a first push rack bar; 33. a second push rack bar; 34. a drive worm gear; 4. a middle support assembly; 41. an active rotating rod; 411. a transmission gear; 42. a driven rotating rod; 43. a connecting rod; 44. a middle support plate; 441. moving the universal wheel; 5. an end support assembly; 51. an end support plate; 511. a reinforcing bar; 52. a telescopic support assembly; 521. a guide bar; 522. a telescopic frame; 523. a connecting member; 524. supporting the spring.

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.

Referring to fig. 1-2, a folding assembly type medical operation bed for a bed plate stretcher comprises a medical bed frame and a stretcher body 1, wherein the medical bed frame comprises a supporting box body 2, a driving component 3, a middle supporting component 4 and an end supporting component 5, the supporting box body 2 is internally provided with the driving component 3, the driving component 3 is respectively connected with the middle supporting component 4 and the end supporting component 5, the stretcher body 1 is connected with the end supporting component 5 in a clamping manner, the supporting box body 2 is provided with a movable hole matched with a reinforcing rod 511, the supporting box body 2 is provided with a through hole matched with a first pushing rack rod 32 and a second pushing rack rod 33, the lower end of the supporting box body 2 is of an open structure to facilitate the telescopic folding of the middle supporting component 4, the reinforcing rod 511 can move in the movable hole in a telescopic manner to improve the firmness of an end supporting plate 51, the first pushing rack rod 32 and the second pushing rack rod 33 are under the action of a central gear 31, the stretcher comprises a stretcher body 1, a supporting block 12, a clamping groove 121 and a guide rod 521, wherein the stretcher body 1 is provided with handrails 11 at two ends, the supporting block 12 is arranged on the lower surface of the stretcher body 1, the clamping groove 121 is arranged on the lower surface of the supporting block 12, the clamping groove 121 is clamped and connected with the guide rod 521, the supporting block 12 is clamped with the position, which is not provided with a supporting spring 524, of the guide rod 521, the connecting piece 523 is pushed by two ends of the supporting block 12 to move towards two ends of the guide rod 521, a certain acting force is applied to the connecting piece 523, so that two ends of a telescopic frame 522 cannot be close to each other, and the supporting stability of the telescopic frame 522 is improved when the stretcher is used;

referring to fig. 3 to 5, the driving assembly 3 includes a central gear 31, a first pushing rack bar 32, a second pushing rack bar 33 and a driving worm wheel 34, the central gear 31 is movably connected to the inside of the supporting box 2 through a supporting frame, a first pushing rack bar 32 and a second pushing rack bar 33 engaged with the central gear 31 are disposed on both sides of the central gear 31, the first pushing rack bar 32 and the second pushing rack bar 33 penetrate the supporting box 2, the end portion of the first pushing rack bar 32 and the end portion of the second pushing rack bar 33 away from each other are provided with the end portion supporting assembly 5, a central shaft of the central gear 31 is fixedly connected with a synchronizing worm 311, the synchronizing worm 311 is engaged with the driving worm wheel 34, the driving worm wheel 34 is engaged with the middle portion supporting assembly 4, during the pulling and assembling process, the first pushing rack bar 32 and the second pushing rack bar 33 reversely move, the central gear 31 rotates, drive synchronous worm 311 and rotate, convey revolving force to initiative bull stick 41 through transmission worm wheel 34, initiative bull stick 41 is rotatory in opposite directions, the one end that the driven bull stick 42 of drive is connected with middle part backup pad 44 moves down, on the contrary, when folding, first propelling movement rack bar 32 and second propelling movement rack bar 33 move in opposite directions, sun gear 31 is rotatory, it is rotatory to drive transmission worm wheel 34, control initiative bull stick 41 drives driven bull stick 42 and middle part backup pad 44 and accomodates in supporting box 2, the folding equipment process is simple, convenient operation, the center pin of transmission worm wheel 34 passes through the internal connection of bearing and supporting box 2, the position of injecing transmission worm wheel 34.

Referring to fig. 6-7, the middle support assembly 4 includes a driving rotating rod 41, a driven rotating rod 42, a connecting rod 43 and a middle support plate 44, the driving rotating rod 41 is engaged with the transmission worm wheel 34, one end of the driving rotating rod 41 is connected with the driven rotating rod 42 through the connecting rod 43, one end of the driven rotating rod 42 is hinged with the middle support plate 44, the driving rotating rod 41, the driven rotating rod 42, the connecting rod 43 and the middle support plate 44 are all provided with two pieces, one end of the driving rotating rod 41 is movably connected with the support box 2 through a rotating shaft, one end of the driving rotating rod 41 close to the rotating shaft is provided with a transmission gear 411, the two transmission gears 411 are engaged, one of the transmission gears 411 is engaged with the transmission worm wheel 34, the rotating force is transmitted to the transmission gear 411 through the transmission worm wheel 34, the transmission gears 411 rotate in opposite directions, so as to drive one end of the driving rotating rod 41 far away from the transmission gear 411 to tilt upwards, the distance between connecting rod 43 shortens, make driven bull stick 42 take place the displacement, under the effect of middle part backup pad 44, driven bull stick 42 can not with initiative bull stick 41 synchronous revolution, consequently, the one end that driven bull stick 42 is connected with initiative bull stick 41 is followed the back that moves up, the one end antiport that driven bull stick 42 is connected with middle part backup pad 44, middle part backup pad 44 downstream, the upper surface symmetry of middle part backup pad 44 is provided with the articulated loop, middle part backup pad 44 passes through articulated loop and driven bull stick 42 swing joint, middle part backup pad 44 plays limiting displacement to driven bull stick 42, prevent that driven bull stick 42 is unanimous with the direction of rotation of initiative bull stick 41, the lower surface of middle part backup pad 44 is provided with removal universal wheel 441, through removing universal wheel 441, can realize medical treatment operation table shift position.

Referring to fig. 8, the end supporting assembly 5 includes an end supporting plate 51 and a telescopic supporting assembly 52, the end supporting plate 51 is provided with a groove, the telescopic supporting assembly 52 is installed in the groove, one side of the end supporting plate 51 is fixedly connected with one end of the first pushing rack bar 32 or the second pushing rack bar 33, two ends of the end supporting plate 51 close to one side of the supporting box 2 are provided with a reinforcing rod 511, the reinforcing rod 511 is movably connected with the supporting box 2, the telescopic supporting assembly 52 includes a guiding rod 521, a telescopic frame 522, a connecting member 523 and a supporting spring 524, two ends of the guiding rod 521 are respectively fixedly connected with the groove, one end of the telescopic frame 522 is hinged with the connecting member 523, the connecting member 523 and the supporting spring 524 are both sleeved with the guiding rod 521, the guiding rod 521 is connected with the stretcher body 1 in a clamping manner, under the action of the supporting spring 524, the telescopic frame 522 is in a folded state when in use, after the stretcher body 1 is disassembled, the telescopic supporting component 52 can be automatically folded, manual control is not needed, and operation is convenient, two groups of telescopic frames 522 are arranged on the guide rod 521, supporting springs 524 are arranged between the connecting pieces 523 connected with the same telescopic frame 522, two ends of each supporting spring 524 are fixedly connected with the corresponding connecting piece 523 respectively, the telescopic frames 522 are contracted to be shortest under the action of the supporting springs 524, when the stretcher body 1 is clamped with the guide rod 521, the connecting pieces 523 connected with the same telescopic frame 522 are mutually closed, the supporting springs 524 are contracted to enable the telescopic frames 522 to be expanded, the lower ends of the telescopic frames 522 are in contact with the ground, the end supporting plates 51 are supported to play a fixing role, and supporting cushion blocks are arranged at the lower ends of the telescopic frames 522 to prevent slipping;

in order to better show the assembly process of the bed plate stretcher folding assembled medical operating bed, the embodiment provides an assembly method of the bed plate stretcher folding assembled medical operating bed, which includes the following steps:

the method comprises the following steps: the stretcher body 1 is used for moving a patient, the handrails 11 are convenient for medical staff to grasp, and after the patient is moved into a treatment area, the stretcher body 1 is assembled with a medical bed frame;

step two: during assembly, two medical personnel pull apart the distance between the end supporting plates 51, during the pulling apart process, the first pushing rack bar 32 and the second pushing rack bar 33 move reversely, the central gear 31 rotates to drive the synchronous worm 311 to rotate, the rotating force is transmitted to the driving rotating rod 41 through the transmission worm wheel 34, the driving rotating rod 41 rotates oppositely to drive one end of the driven rotating rod 42 connected with the middle supporting plate 44 to move downwards;

step three: when the distance between the end supporting plates 51 is maximally extended, the middle supporting plate 44 is in contact with the ground to support the medical bed frame;

step four: the two ends of the lower part of the telescopic frame 522 are manually closed, so that the connecting piece 523 at the upper end of the telescopic frame 522 extrudes the supporting spring 524 to shrink, and the position of the guide rod 521, which is not provided with the supporting spring 524, is enlarged;

step five: with supporting shoe 12 and the guide bar 521 block on the stretcher body 1, the both ends of connecting piece 523 and supporting shoe 12 offset, the length of expansion bracket 522 is fixed, the lower extreme and the ground contact of expansion bracket 522 support tip backup pad 51, and middle part supporting component 4 and tip supporting component 5 support stretcher body 1 middle part and tip respectively, and the distance between stretcher body 1 and the tip supporting component 5 is injectd, and stretcher body 1 can regard as the operation table to use.

In summary, the following steps: the folding assembled medical operation bed of the bed plate stretcher and the assembling method are provided with the medical bed frame and the stretcher body 1, the stretcher body 1 achieves the purpose that a patient is moved by the stretcher, the medical bed frame is used for supporting the stretcher body 1, and the stretcher body 1 is assembled into the medical operation bed under the condition that the patient does not need to be moved, so that the secondary injury of the patient is avoided; the medical bed frame comprises a supporting box body 2, a driving assembly 3, a middle supporting assembly 4 and an end supporting assembly 5, the driving assembly 3 is used for connecting the middle supporting assembly 4 and the end supporting assembly 5, when the medical bed frame is used, the end supporting assembly 5 can be pulled open through the driving assembly 3, meanwhile, the middle supporting assembly 4 is driven to be unfolded, the medical bed frame in a folded state is unfolded in one step, and the operation is convenient; when the stretcher body 1 is assembled, the two ends of the lower part of the telescopic frame 522 are closed, the position on the guide rod 521 for installing the stretcher body 1 is reserved, and the support block 12 on the stretcher body 1 is clamped with the guide rod 521, so that the medical operation bed can be assembled and is easy to operate; after the assembly is completed, the lower end of the telescopic frame 522 is in contact with the ground, the end supporting plate 51 is supported, the middle supporting plate 44 is in contact with the ground, the medical bed frame is supported, and the middle supporting component 4 and the end supporting component 5 respectively support the middle part and the end part of the stretcher body 1, so that the structure is stable; the stretcher body 1 limits the distance between the end supporting components 5, the self weight of a patient exerts pressure on the stretcher body 1, the medical operating bed is integrally self-locked, and the structure is firm.

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 able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims (10)

1. The utility model provides a folding assembled medical treatment operation bed of bed board stretcher, includes medical bed frame and stretcher body (1), its characterized in that: the medical bed frame comprises a supporting box body (2), a driving assembly (3), a middle supporting assembly (4) and an end supporting assembly (5), wherein the driving assembly (3) is arranged inside the supporting box body (2), the driving assembly (3) is respectively connected with the middle supporting assembly (4) and the end supporting assembly (5), and the stretcher body (1) is connected with the end supporting assembly (5) in a clamping mode;

the driving assembly (3) comprises a central gear (31), a first pushing rack rod (32), a second pushing rack rod (33) and a transmission worm wheel (34), the central gear (31) is movably connected with the inside of the supporting box body (2) through a supporting frame, the first pushing rack rod (32) and the second pushing rack rod (33) which are meshed with the central gear (31) are arranged on two sides of the central gear (31), the first pushing rack rod (32) and the second pushing rack rod (33) penetrate through the supporting box body (2), an end supporting assembly (5) is arranged at one end, far away from the first pushing rack rod (32) and the second pushing rack rod (33), of the central gear (31), a synchronous worm (311) is fixedly connected to the central shaft of the central gear (31), the synchronous worm (311) is meshed with a transmission worm wheel (34), and the transmission worm wheel (34) is meshed with a middle supporting assembly (4);

the end supporting assembly (5) comprises an end supporting plate (51) and a telescopic supporting assembly (52), a groove is formed in the end supporting plate (51), and the telescopic supporting assembly (52) is installed in the groove;

middle part supporting component (4) are including initiative bull stick (41), driven bull stick (42), connecting rod (43) and middle part backup pad (44), and initiative bull stick (41) and transmission worm wheel (34) meshing, and the one end of initiative bull stick (41) is passed through connecting rod (43) and is connected with driven bull stick (42), and the one end and the middle part backup pad (44) hinge joint of driven bull stick (42).

2. The assembled medical operating bed of claim 1, wherein said bed plate stretcher is folded and assembled, and wherein said bed plate stretcher comprises: one side of the end supporting plate (51) is fixedly connected with one end of the first pushing rack rod (32) or one end of the second pushing rack rod (33), reinforcing rods (511) are arranged at two ends, close to one side of the supporting box body (2), of the end supporting plate (51), and the reinforcing rods (511) are movably connected with the supporting box body (2).

3. The assembled medical operating bed of claim 2, wherein said bed plate stretcher is folded and assembled, and said bed plate stretcher comprises: seted up on supporting box (2) with stiffener (511) assorted activity hole, and set up on supporting box (2) with first propelling movement rack bar (32) and second propelling movement rack bar (33) assorted through hole, the lower extreme of supporting box (2) makes things convenient for middle part supporting component (4) to stretch out and draw back folding for uncovered structure.

4. The assembled medical operating bed of claim 1, wherein said bed plate stretcher is folded and assembled, and wherein said bed plate stretcher comprises: the telescopic supporting component (52) comprises a guide rod (521), a telescopic frame (522), a connecting piece (523) and a supporting spring (524), the two ends of the guide rod (521) are fixedly connected with the grooves respectively, one end of the telescopic frame (522) is hinged to the connecting piece (523), the connecting piece (523) and the supporting spring (524) are both sleeved with the guide rod (521), and the guide rod (521) is clamped with the stretcher body (1).

5. The assembled medical operating bed of claim 4, wherein said bed plate stretcher is folded and assembled, and said bed plate stretcher comprises: two groups of telescopic frames (522) are arranged on the guide rod (521), a supporting spring (524) is arranged between the connecting pieces (523) connected with the same telescopic frame (522), and two ends of the supporting spring (524) are respectively and fixedly connected with the connecting pieces (523).

6. The assembled medical operating bed of claim 5, wherein said bed plate stretcher is folded and assembled, and wherein said bed plate stretcher comprises: handrails (11) are arranged at two ends of the stretcher body (1), a supporting block (12) is arranged on the lower surface of the stretcher body (1), a clamping groove (121) is arranged on the lower surface of the supporting block (12), and the clamping groove (121) is connected with the guide rod (521) in a clamping manner.

7. The assembled medical operating bed of claim 1, wherein said bed plate stretcher is folded and assembled, and wherein said bed plate stretcher comprises: the driving rotating rod (41), the driven rotating rod (42), the connecting rod (43) and the middle supporting plate (44) are provided with two parts, one end of the driving rotating rod (41) is movably connected with the supporting box body (2) through a rotating shaft, one end, close to the rotating shaft, of the driving rotating rod (41) is provided with a transmission gear (411), the two transmission gears (411) are meshed with each other, and one transmission gear (411) is meshed with the transmission worm gear (34).

8. The assembled medical operating bed of claim 7, wherein said bed plate stretcher is folded and assembled, and wherein said bed plate stretcher comprises: the central shaft of the transmission worm wheel (34) is connected with the inside of the supporting box body (2) through a bearing.

9. The assembled medical operating bed of claim 7, wherein said bed plate stretcher is folded and assembled, and wherein said bed plate stretcher comprises: the upper surface symmetry of middle part backup pad (44) is provided with articulated loop, and middle part backup pad (44) is through articulated loop and driven bull stick (42) swing joint, and the lower surface of middle part backup pad (44) is provided with and removes universal wheel (441).

10. A method of assembling a medical operating bed assembled by folding of bed board stretchers according to any one of claims 1 to 9, comprising the steps of:

s1: the stretcher body (1) is used for moving a patient, the handrail (11) is convenient for medical staff to grasp, and after the patient is moved into a treatment area, the stretcher body (1) is assembled with a medical bed frame;

s2: when the device is assembled, two medical personnel pull apart the distance between the end supporting plates (51), in the pulling process, the first pushing rack rod (32) and the second pushing rack rod (33) move in opposite directions, the central gear (31) rotates to drive the synchronous worm (311) to rotate, the rotating force is transmitted to the driving rotating rod (41) through the transmission worm gear (34), the driving rotating rod (41) rotates in opposite directions to drive one end of the driven rotating rod (42) connected with the middle supporting plate (44) to move downwards;

s3: after the distance between the end supporting plates (51) is pulled to the maximum, the middle supporting plate (44) is contacted with the ground to support the medical bed frame;

s4: the two ends of the lower part of the telescopic frame (522) are manually closed, so that the connecting piece (523) at the upper end of the telescopic frame (522) extrudes the supporting spring (524) to shrink, and the position of the guide rod (521) without the supporting spring (524) is enlarged;

s5: with supporting shoe (12) and guide bar (521) block on stretcher body (1), connecting piece (523) offset with the both ends of supporting shoe (12), the length of expansion bracket (522) is fixed, the lower extreme and the ground contact of expansion bracket (522), support tip backup pad (51), middle part supporting component (4) and portion supporting component (5) support stretcher body (1) middle part and tip respectively, stretcher body (1) is injectd the distance between the supporting component (5), stretcher body (1) can regard as the operation table to use.

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