Cross-bed transfer device

Abstract

The invention discloses a bed transfer device which comprises a supporting unit, a moving unit and a protection unit, the supporting unit comprises a bottom plate with thickness and a top plate with thickness, the bottom plate and the top plate are connected through a plurality of first supporting columns, and a first lifting component and a plurality of auxiliary supporting rods are installed between the bottom plate and the top plate; the moving unit comprises a plurality of second supporting columns installed on the top plate, all the first supporting columns and all the second supporting columns are internally hollow supporting columns, the interiors of all the second supporting columns communicate with the interiors of all the first supporting columns, the tops of all the second supporting columns are jointly connected with a fixed bed, and a second lifting component is installed between the fixed bed and the top plate. A bed passing part is mounted on the fixed bed, and the protection unit comprises a handrail part and a pedal part which are mounted on the bed passing part. According to the invention, a patient can be stably transferred, and the injury to the body of the patient caused by accidental sliding, collision and the like in the carrying process is reduced.

Description

Technical Field

[0001] The present invention relates to the field of medical auxiliary equipment, and in particular to a bed transfer device. Background Art

[0002] A transfer bed is a special medical bed used to transfer patients between beds, from the operating table to the ward, and from the ambulance. The use of the transfer vehicle solves the difficulty of transferring patients from the operating table to the ward after surgery, and reduces the pain and difficulty of transferring patients by traditional hand-lifting. It is used in all major hospitals and is an essential medical equipment in hospitals. In order to avoid aggravating the pain of patients, a transfer bed mattress is usually set on the bed board of the transfer bed to improve the comfort of the patient lying down.

[0003] In hospitals, transfer beds are often needed. For example, before patients in current hospitals undergo MRI, they must use transfer beds to push patients to the MRI room, and then move them to the MRI bed for MRI. Because the magnetic attraction of the MRI machine is very strong when it is running, and metal will interfere with the external magnetic field, patients must remove all metal objects on their bodies before undergoing MRI examinations. Ordinary metal transfer beds cannot enter the MRI examination room and patients need to be transferred in advance outside the door. In addition, patients who need to be examined need to be assisted by multiple personnel such as medical staff and family members due to their own medical conditions such as inconvenience in movement, unconsciousness, and obesity. In addition, gathering multiple transporters will delay the patient's examination, and the whole process is inconvenient to operate, and the labor intensity of medical staff and family members is high. In addition, for many patients with fractures or cardiovascular and cerebrovascular diseases, manual handling will not only increase the patient's pain, but may also easily cause secondary injuries to the patient, ultimately bringing adverse effects to the patient.

[0004] Therefore, how to solve the deficiencies in the above-mentioned prior art has become a topic to be studied and solved in this application. Summary of the invention

[0005] In view of this, an object of the present invention is to provide a bed transfer device.

[0006] In order to achieve the above object, the technical solution adopted by the present invention is:

[0007] A bed transfer device, comprising:

[0008] A support unit, comprising a bottom plate and a top plate having a thickness, wherein the bottom plate and the top plate are connected by a plurality of first pillars, and a first lifting component and a plurality of auxiliary support rods are installed between the bottom plate and the top plate;

[0009] The mobile unit comprises a plurality of second pillars installed on the top plate, each of the first pillars and each of the second pillars is an internal hollow pillar, the interior of each of the second pillars is respectively connected to the interior of each of the first pillars, the tops of each of the second pillars are commonly connected to a fixed bed, a second lifting component is installed between the fixed bed and the top plate; a bed-passing component is installed on the fixed bed;

[0010] The protection unit comprises a railing component and a pedal component installed on the bed component.

[0011] Furthermore, the first lifting component includes a lifting column, a transmission rod, a transmission assembly and a stretching assembly, one end of the lifting column is slidably connected to the inside of the first pillar, and the other end passes through the top plate and is slidably connected to the inside of the second pillar and extends to the bottom of the fixed bed, and the lifting column is connected to the bottom of the fixed bed;

[0012] Each of the first pillars is respectively arranged at the four corners of the bottom plate, and the two first pillars on the same side along the length direction of the bottom plate are connected by the transmission rod, and each of the transmission rods is located at the lower end of each of the first pillars; each of the transmission rods passes through each of the auxiliary support rods on the same side;

[0013] The two transmission rods are connected by the transmission assembly, and the transmission assembly drives the two transmission rods to rotate synchronously; the lifting column, the top plate and the transmission rod are connected by the stretching assembly, and the stretching assembly drives the lifting column to reciprocate inside the first support column and the second support column.

[0014] Furthermore, the transmission assembly includes pulleys respectively mounted on the ends of the two transmission rods, and the two pulleys located on the same side along the width direction of the base plate are connected through a connecting belt transmission; a self-locking capstan is connected to one of the transmission rods located on the same side along the width direction of the base plate.

[0015] Further, the stretching assembly includes a first pulley installed at the lower end of each lifting column, a fixing hook is installed at the bottom of the top plate above each first pulley, and a second pulley is installed at the bottom of the top plate on one side of each fixing hook;

[0016] A first pull rope and a second pull rope are wound around each of the transmission rods, and the first pull rope and the second pull rope are provided at both ends of the same transmission rod. One end of each of the first pull ropes is respectively connected to each of the fixed hooks, and the other end passes through the first pulley and the second pulley in sequence and then is wound around the transmission rod; the two ends of the second pull rope are respectively wound around the two transmission rods, and the second pull rope drives the two transmission rods to transmit synchronously.

[0017] Furthermore, the second lifting component includes a telescopic airbag, an air cylinder, a one-way air inlet pipe, a one-way air outlet pipe and a piston rod, the telescopic airbag is installed between the fixed bed and the top plate; the air cylinder is installed between the top plate and the bottom plate; a piston head is provided in the air cylinder, one end of the piston rod is connected to the piston head, the other end passes through the top plate and extends into the telescopic airbag and extends to the bottom of the fixed bed, and the piston rod is connected to the fixed bed; the two sides of the top of the air cylinder are respectively connected to the one-way air inlet pipe and the one-way air outlet pipe, and the other ends of the one-way air inlet pipe and the one-way air outlet pipe are connected to the telescopic airbag.

[0018] Further, the bed transfer component includes guide rails, a movable bed, guide bars, a movable assembly and a mattress, a plurality of guide rails are sequentially arranged on the top of the fixed bed along its width direction, the movable bed is installed on the fixed bed, a plurality of guide bars matching the guide rails are sequentially arranged on the bottom of the movable bed along its width direction, and the movable bed is slidably connected to the fixed bed through the cooperation of the guide rails and the guide bars;

[0019] The moving components are installed at both ends of the moving bed along its length direction; and the mattress is installed on the top of the moving bed.

[0020] Furthermore, the moving assembly includes guide plates plugged and installed on both ends of the top plate along its length direction, each of the guide plates is provided with a track, a sliding column is slidably connected in the track, and a connecting plate is connected to the sliding column;

[0021] The movable bed is provided with slots on both sides along the width direction thereof, one end of the connecting plate extends into the slot, a locking button is provided between the connecting plate and the slot, and the locking button connects the connecting plate and the movable bed.

[0022] Furthermore, the track includes a straight section arranged in the vertical direction, a ramp section connected to the straight section and inclined upward at a certain angle, and a corner section connected to the ramp section, and the connections between the straight section, the ramp section and the corner section all adopt arc transition.

[0023] Furthermore, the connecting plate is an L-shaped connecting plate, the long plate end of the L-shaped connecting plate is connected to the locking button, and the short plate end is connected to the sliding column.

[0024] Furthermore, a groove is provided at the top of the long plate of the connecting plate, and the locking button includes a mounting plate embedded in the groove, a slider slidably connected to the mounting plate is provided in the groove, and one end of the slider along its moving direction is connected to the inner wall of the groove through a first spring; a closed sliding groove is provided on the slider, and a guide column slidably connected to the sliding groove is provided in the sliding groove, and a connecting rod is connected to the guide column, and the other end of the connecting rod is rotatably connected to the top of the long plate of the connecting plate near one end of the first spring;

[0025] An accommodating groove is connected to the end of the groove away from the first spring, the accommodating groove is flush with the groove, a protective plate is connected to the top of the groove and the top of the accommodating groove, and the accommodating groove is connected to the connecting plate; a claw slidably connected to the accommodating groove is provided in the accommodating groove, the claw is connected to a guide rod, the other end of the guide rod passes through the groove wall of the groove and is connected to the slider; an insertion block for matching with the claw is connected to the bottom of the movable bed, when the claw is pressed to enter the accommodating groove, the claw wraps the insertion block in a closed state; when the claw pops out of the accommodating groove, the claw is separated from the insertion block.

[0026] Furthermore, the railing components are installed in pairs on both sides of the top plate along its length direction, and the railing components include a rotating shaft arranged on the side of the top plate, a rotating ring is sleeved on one end of the rotating shaft, and a rotating cylinder is sleeved on the other end, a limiting column is provided at the rotating shaft where the rotating ring is installed, and a bayonet matching the limiting column is opened on the rotating ring; the rotating cylinder is connected to an inner column at one end away from the rotating shaft, the inner column and the rotating shaft are arranged in the same direction, the other end of the inner column is connected to an outer cylinder via a telescopic column, and a second spring is sleeved on the telescopic column; the outer cylinder is connected to the side of the top plate via a mounting block at one end away from the inner column;

[0027] Insertion rods connected to railing pipes are installed on the rotating ring and the rotating cylinder, and the ends of the two railing pipes away from the rotating shaft are connected through a railing handrail.

[0028] Furthermore, the pedal component includes a telescopic frame arranged on one side of the fixed bed along its length direction, the upper part of the telescopic frame is connected to the fixed bed, the bottom of the telescopic frame is connected to the base plate, the telescopic frame is rotatably connected with a first pedal and a second pedal, the second pedal is located below the first pedal, and the first pedal is hinged with supporting legs in pairs, both of which extend to the second pedal and are hinged to the second pedal; leg telescopic assemblies are installed at the ends of the two supporting legs away from the first pedal.

[0029] Furthermore, the leg telescopic assembly includes a support sleeve mounted on the outside of the two support legs, and the support legs inside the two support sleeves are connected to a spur rack, the spur rack is meshed with a gear, the spur rack is located inside the support sleeve, the gear is mounted on a sleeve rod, a rotating rod is slidably connected inside the sleeve rod, both ends of the rotating rod pass through the support sleeve and extend to the outside of the support sleeve, a rotating block is connected to one end of the rotating rod located outside the support sleeve, and a first locking assembly is connected to the other end; the two rotating blocks located on the two support sleeves are connected by a second locking assembly.

[0030] Furthermore, a plurality of first limiting strips are sequentially arranged on the outer wall of the rotating rod along the circumferential direction, a first limiting groove matching the first limiting strips is opened on the inner wall of the sleeve rod along the circumferential direction, and the sleeve rod is sleeved on the rotating rod through the first limiting strips and the first limiting grooves.

[0031] Furthermore, the first locking assembly includes a sleeve sleeved on the rotating rod, a plurality of second limit strips are sequentially arranged on the outer wall of the sleeve rod along the circumferential direction, a second limit groove matching the second limit strip is opened on the inner wall of the sleeve along the circumferential direction, and the sleeve is sleeved on the sleeve rod through the second limit strip and the second limit groove; a plurality of clamping columns are installed on the outer wall of the sleeve along the circumferential direction, an annular groove used in conjunction with the clamping column is opened on the support sleeve, an insert column is connected to the end of the sleeve away from the sleeve rod, and the sleeve is connected to the auxiliary support rod through the insert column.

[0032] Furthermore, the clamping column is an L-shaped clamping column, and an anti-slip sleeve is provided on the connecting end between the clamping column and the annular groove.

[0033] Furthermore, the auxiliary support rod is provided with a socket for use with the plug post.

[0034] Furthermore, the second locking assembly includes push-pull plates respectively sleeved on the two rotating rods, and the two rotating rods are rotatably connected via a belt buckle.

[0035] Furthermore, the connection between the rotating rod and the push-pull plate is a bare rod.

[0036] Furthermore, the push-pull plate is provided with snaps for use with the belt buckle.

[0037] Furthermore, universal wheels are installed at the four corners of the bottom of the base plate.

[0038] Furthermore, a dividing ring is provided between the first pull rope and the second pull rope of each transmission rod, and a moving groove is provided on opposite sides of the two first pillars on the same side along the length direction of the bottom plate.

[0039] Compared with the prior art, the advantages of the present invention are:

[0040] 1. By setting up the bed transfer parts, patients can be transferred smoothly, reducing the damage to the patient's body caused by accidental slips, collisions, etc. during the transportation process. For example, for patients with fractures or weak bodies after surgery, this stable transportation method can effectively avoid secondary injuries. Compared with the shaking and bumps that may be caused by manual transportation, this application can provide a relatively comfortable transfer experience. Especially for some patients with various medical lines on their bodies, the device can avoid the discomfort caused to patients by the entanglement and pulling of the lines.

[0041] 2. By setting up the first lifting component and the second lifting component, medical staff do not need to consume a lot of physical strength when using the bed transfer device like traditional manual handling. Especially when facing heavier patients, this application can easily complete the transfer task and reduce the risk of medical staff being injured due to excessive force. At the same time, its operation is relatively simple, and it can quickly complete the transfer of patients between beds, carts, etc., saving time and manpower, allowing medical staff to devote more energy to the treatment and care of patients.

[0042] 3. By setting up railing parts and pedal parts, they can be extended and retracted as the device is raised and lowered, making it convenient for patients to get on and off the bed by themselves in the later stage. BRIEF DESCRIPTION OF THE DRAWINGS

[0043] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0044] Attached Figure 1 The overall structure of the bed transfer device of this application is shown in FIG. Figure 1 ;

[0045] Attached Figure 2 The overall structure of the bed transfer device of this application is shown in FIG. Figure 2 ;

[0046] Attached Figure 3 This is a schematic diagram of the structure of the first lifting component of the bed transfer device of the present application;

[0047] Attached Figure 4 This is a schematic diagram of the structure of the bed transfer component of the bed transfer device of the present application;

[0048] Attached Figure 5 This is a schematic diagram of the lock button structure of the bed transfer device of this application;

[0049] Attached Figure 6This is a schematic diagram of the structure of the railing components of the bed transfer device of this application;

[0050] Attached Figure 7 This is a schematic diagram of the unfolded structure of the pedal component of the bed transfer device of this application Figure 1 ;

[0051] Attached Figure 8 For this application Figure 7 A schematic diagram of the enlarged structure of part A;

[0052] Attached Fig. 9 This is a schematic cross-sectional structure diagram of the leg telescopic assembly of the bed transfer device of the present application;

[0053] Attached Fig.10 This is a schematic diagram of the unfolded structure of the pedal component of the bed transfer device of this application Figure 2 ;

[0054] Attached Fig.11 For this application Fig.10 Schematic diagram of the enlarged structure of part B in FIG.

[0055] Reference numerals and component descriptions in the drawings:

[0056] 100, support unit; 101, bottom plate; 102, first pillar; 103, top plate; 104, first lifting component; 104a, lifting column; 104b, transmission rod; 104c, transmission assembly; 104c-1 pulley; 104c-2, connecting belt; 104c-3, self-locking winch; 104d, stretching assembly; 104d-1, first pulley; 104d-2, fixing hook; 104d-3, second pulley; 104d-4, first pull rope; 104d-5, second pull rope; 105, auxiliary support rod;

[0057] 200, mobile unit; 201, second support column; 202, fixed bed; 203, second lifting component; 203a, telescopic airbag; 203b, air cylinder; 203c, one-way air inlet pipe; 203d, one-way air outlet pipe; 203e, piston rod; 204, bed-passing component; 204a, guide rail; 204b, mobile bed; 204c, guide bar; 204d, mobile assembly; 204d-1 guide plate; 204d-2, track; 204d-3, slide Column; 204d-4, connecting plate; 204d-5, locking member; 204d-5a mounting plate; 204d-5b, slider; 204d-5c, slide groove; 204d-5d, guide column; 204d-5e, connecting rod; 204d-5f, first spring; 204d-5g, receiving groove; 204d-5h, protective plate; 204d-5i, claw; 204d-5j, guide rod; 204d-5k, plug block; 204e, mattress;

[0058] 300, protection unit; 301, railing component; 301a, rotating shaft; 301b, limiting column; 301c, rotating ring; 301d, rotating cylinder; 301e, inner column; 301f, outer cylinder; 301g, telescopic column; 301h, second spring; 301i, mounting block; 301j, insert pipe; 301k, railing pipe; 302, pedal component; 302a, telescopic frame; 302b, first pedal; 302c, second pedal; 302d, supporting leg; 302e, Leg telescopic assembly; 302e-1, support sleeve; 302e-2, spur rack; 302e-3, gear; 302e-4, rotating rod; 302e-5, sleeve rod; 302e-6, rotating block; 302e-7, first locking assembly; 302e-7a, sleeve; 302e-7b, clamping column; 302e-7c, annular groove; 302e-7d, plug column; 302e-8, second locking assembly; 302e-8a, push-pull plate; 302e-8b, belt buckle. DETAILED DESCRIPTION

[0059] The technical solution of the present invention will be clearly and completely described below through specific implementation methods. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0060] Currently, before patients in hospitals undergo MRIs, they are pushed to the MRI room by a cart or a transfer bed, and then moved to the MRI bed for the MRI. However, because metal can interfere with the magnetic field of the MRI machine, ordinary carts or transfer beds cannot enter the MRI room. Patients usually need to be transferred outside the door, so ordinary metal carts or transfer beds are no longer applicable, and a special anti-magnetic transfer device is needed. In addition, patients who need to be examined need assistance from multiple personnel, such as medical staff and family members, to lift and carry them due to their own medical conditions, such as inconvenience in movement, unclear consciousness, obesity, etc., and gathering multiple transporters will delay the patient's examination. The entire process is inconvenient to operate, and the labor intensity of medical staff and family members is high. In addition, for many patients with fractures or cardiovascular and cerebrovascular diseases, manual transportation will not only increase the patient's pain but may even cause secondary injuries to the patient, ultimately bringing adverse effects to the patient. In view of the above defects, see Attachment Figures 1 to 11 As shown, the present application proposes a bed transfer device, which is made of non-magnetic material and includes a support unit 100, a moving unit 200 and a protection unit 300.

[0061] The support unit 100 includes a bottom plate 101 and a top plate 103 with a certain thickness. Both the bottom plate 101 and the top plate 103 are rectangular plates. Universal wheels are installed at the four corners of the bottom of the bottom plate 101 for movement of the entire device. The bottom plate 101 and the top plate 103 are connected by four first pillars 102. The bottoms of the four first pillars 102 are respectively installed at the four corners of the top of the bottom plate 101, and the tops of the four first pillars 102 are respectively installed at the four corners of the bottom of the top plate 103. A first lifting component 104 is installed between the bottom plate 101 and the top plate 103 for lifting the device. A plurality of auxiliary support rods 105 are installed in the middle of both sides of the bottom plate 101 and the top plate 103 along the length direction thereof for strengthening the stability of the device.

[0062] The mobile unit 200 includes four second pillars 201 respectively installed at the four corners of the top plate 103. Each first pillar 102 and each second pillar 201 are hollow pillars, so each first pillar 102 and each second pillar 201 are connected internally. A fixed bed 202 is commonly connected to the top of the four second pillars 201. A second lifting component 203 is installed between the fixed bed 202 and the top plate 103 to provide a more stable support for the device lifting process, making the device lifting process safer. At the same time, a bed-passing component 204 is installed on the fixed bed 202. With the lifting of the device, the bed-passing component 204 can be lifted and lowered, and can be separated from the fixed bed 202, which is convenient for passing the bed and reducing manpower waste.

[0063] The protection unit 300 includes a railing component 301 installed on both sides of the bed transfer component 204, which is used for daily protection of patients, preventing patients from falling from the bed and causing accidents, and enhancing the safety of the device. A pedal component 302 is installed in the middle of one side of the bed transfer component 204, which is used for patients to get on and off the bed, which is more labor-saving and safer.

[0064] In this embodiment, the bottom plate 101, the top plate 103 and the fixed bed 202 are all arranged in the horizontal direction, and each first support column 102 and each second support column 201 are arranged in the vertical direction.

[0065] During use of the device, the first lifting component 104 is used to lift the device, so that one side of the bed-passing component 204 is first moved to the MRI bed, and then the device is pushed to move the entire bed-passing component 204 to the MRI bed, and separate it from the fixed bed 202 to complete the bed-passing. The whole process consumes little manpower, and the patient is always on the bed-passing device, and does not need to turn over and move, thereby preventing the patient from suffering secondary injuries. In addition, when the patient can move on and off the bed, the pedal component 302 on one side of the bed-passing component 204 can be pulled down, so that the patient can get on and off the bed more easily.

[0066] For better, see the attached Figures 1 to 5As shown, the first lifting component 104 includes a lifting column 104a, a transmission rod 104b, a transmission assembly 104c and a stretching assembly 104d. The lifting column 104a is arranged in the same direction as the first pillar 102, that is, the lifting column 104a is arranged in the vertical direction. One end of the lifting column 104a is slidably connected to the inside of the first pillar 102, and the other end penetrates through the top plate 103 and then extends into the inside of the second pillar 201 and is slidably connected to the inside of the second pillar 201. Therefore, the lifting column 104a is arranged inside the first pillar 102 and the second pillar 201. The lifting column 104a can reciprocate inside the first pillar 102 and the second pillar 201. At the same time, the lifting column 104a is installed inside each first pillar 102 and each second pillar 201. The top of each lifting column 104a penetrates through the top plate 103 and is connected to the bottom of the fixed bed 202. Since each first support column 102 is installed at the four corners of the bottom plate 101, a transmission rod 104b is installed between the lower ends of the two first support columns 102 on the same side along the length direction of the bottom plate 101, and the transmission rod 104b passes through the auxiliary support rod 105 on the same side. The two transmission rods 104b are connected by a transmission assembly 104c, and the transmission assembly 104c is used to drive the two transmission rods 104b to rotate synchronously. A tension assembly 104d is installed between the lifting column 104a, the top plate 103 and the transmission rod 104b, which is used to drive the lifting column 104a to reciprocate inside the first support column 102 and the second support column 201.

[0067] Specifically, the transmission assembly 104c includes a pulley 104c-1 respectively sleeved on one end of the two transmission rods 104b, and the two pulleys 104c-1 located on the same side along the width direction of the base plate 101 are connected by a belt 104c-2 for transmission, and a self-locking winch 104c-3 is installed on one of the transmission rods 104b. The self-locking winch 104c-3 uses the principle of gear transmission to convert a smaller input force into a larger traction force or lifting force. For example, a hand-cranked self-locking winch, a person shakes the handle to drive the large gear to rotate through the internal small gear, and generates sufficient traction force with less force, thereby reducing the manpower burden. When using the bed transfer device, medical staff do not need to consume a lot of physical strength like traditional manual handling. Especially when facing patients with heavier weight, the device can easily complete the transfer task and reduce the risk of medical staff being injured due to excessive force.

[0068] The stretching assembly 104d includes a first pulley 104d-1 installed at the lower end of each lifting column 104a. The first pulley 104d-1 can drive the lifting column 104a to move when performing reciprocating motion. A fixing hook 104d-2 is installed at the bottom of the top plate 103 above each first pulley 104d-1, and a second pulley 104d-3 is installed at the bottom of the top plate 103 on one side of the fixing hook 104d-2. A first pull rope 104d-4 and a second pull rope 104d-5 are wound around both ends of each transmission rod 104b. One end of the first pull rope 104d-4 is connected to the fixing hook 104d-2, and the other end passes through the first pulley 104d-1 and the second pulley 104d-3 in sequence and then is wound around the transmission rod 104b. Both ends of the second pull rope 104d-5 are respectively wound around the two transmission rods 104b, so that the two transmission rods 104b can rotate synchronously.

[0069] At the same time, a dividing ring is provided on the transmission rod 104b for separating the first pull rope 104d-4 and the second pull rope 104d-5, and movable grooves are provided on the opposite sides of the two first pillars 102 on the same side along the length direction of the base plate 101, which are used for the first pulley 104d-1 to pull the lifting column 104a to reciprocate in the vertical direction.

[0070] By rotating the self-locking winch 104c-3, the first pull rope 104d-4 can pull the lifting column 104a to move up and down, and at the same time, through the transmission of the connecting belt 104c-2 and the second pull rope 104d-5, the two transmission rods 104b can be stably rotated synchronously. When the self-locking winch 104c-3 is rotated forward to tighten the first pull rope 104d-4, the second pull rope 104d-5 on one of the transmission rods 104b is tightened, and the second pull rope 104d-5 on the other transmission rod 104b is loosened. At this time, the first pull rope 104d-4 will pull the first pulley 104d-1 to rise, thereby driving the lifting column 104a to rise. When the self-locking winch 104c-3 is rotated in the reverse direction, the lifting column 104a will descend.

[0071] See attached Figure 1 and attached Figure 2As shown, the second lifting component 203 includes a telescopic airbag 203a, an air cylinder 203b, a one-way air inlet pipe 203c, a one-way air outlet pipe 203d and a piston rod 203e. Two telescopic airbags 203a are installed between the bottom of the fixed bed 202 and the bottom of the top plate 103. At least one air cylinder 203b is installed on both sides of the bottom plate 101 along its width direction. In this embodiment, four air cylinders 203b are arranged between the bottom plate 101 and the top plate 103. Piston heads are arranged in the four air cylinders 203b. The piston heads are connected to the piston rod 203e. The piston rod 203e is arranged in the vertical direction. The top of the piston rod 203e penetrates the top plate 103 and extends into the telescopic airbag 203a and extends to the bottom of the fixed bed 202. The top of the piston rod 203e is connected to the bottom of the fixed bed 202. The tops of the four air cylinders 203b are connected to one-way air inlet pipes 203c and one-way air outlet pipes 203d on both sides, and the other ends of the one-way air inlet pipes 203c and one-way air outlet pipes 203d are connected to the telescopic airbags 203a. When the fixed bed 202 moves upward, it will pull the piston head and the piston rod 203e to move upward. At this time, the gas in the air cylinder 203b will be squeezed and filled into the telescopic airbags 203a through the one-way air inlet pipes 203c, which can provide a stable support for the fixed bed 202 moving upward; when the fixed bed 202 moves downward, it will pull the piston head and the piston rod 203e to move downward. At this time, the telescopic airbags 203a will be compressed again, and the gas will re-enter the air cylinder 203b through the one-way air outlet pipes 203d.

[0072] For better, see the attached Figures 1 to 5As shown, the bed-passing component 204 includes a guide rail 204a, a movable bed 204b, a guide bar 204c, a movable assembly 204d and a mattress 204e. A plurality of guide rails 204a are sequentially arranged on the top of the fixed bed 202 along its width direction. The movable bed 204b is installed above the fixed bed 202. A plurality of guide bars 204c matching the guide rails 204a are installed at the bottom of the movable bed 204b. In this embodiment, the guide rail 204a is arranged on the fixed bed 202, and the guide bar 204c is arranged on the movable bed 204b to achieve the movement matching between the fixed bed 202 and the movable bed 204b. Similarly, the guide rail 204a can be arranged on the movable bed 204b, and the guide bar 204c can be arranged on the fixed bed 202 to achieve the sliding connection between the fixed bed 202 and the movable bed 204b. As an implementable method, the sliding connection between the fixed bed 202 and the movable bed 204b can also be achieved through clearance matching, using universal balls or rollers. In this embodiment, a plurality of rollers are installed inside the guide bar 204c for sliding the movable bed 204b on the fixed bed 202. Moving components 204d are installed at both ends of the movable bed 204b along its length direction for moving the bed component 204. A mattress 204e is attached to the movable bed 204b by Velcro. Holes and grooves are provided at the front and rear bottoms of both ends of the movable bed 204b along its length direction for easy transportation and movement.

[0073] Specifically, the moving component 204d includes a guide plate 204d-1, a track 204d-2, a sliding column 204d-3, a connecting plate 204d-4 and a locking button 204d-5. The guide plate 204d-1 is plugged and fixed at both ends of the top plate 103 along its length direction. The track 204d-2 is opened on the guide plate 204d-1. The track 204d-2 includes a straight line segment arranged vertically upward, a ramp segment connected to the straight line segment and inclined upward at a certain angle, and a corner segment connected to the ramp segment, and arc transitions are used at the connections between the straight line segment, the ramp segment and the corner segment. The sliding column 204d-3 is slidably set in the track 204d-2, and the sliding column 204d-3 slides along the path of the track 204d-2, and the other end of the sliding column 204d-3 is connected to an L-shaped connecting plate 204d-4, and the connecting plate 204d-4 is located on the side of the guide plate 204d-1 facing the top plate 103. The long plate end of the L-shaped connecting plate 204d-4 is connected to the locking button 204d-5, and the short plate end is connected to the sliding column 204d-3. The movable bed 204b is provided with slots at both ends along its length, and the top of the long plate of the connecting plate 204d-4 extends into the slot, that is, the locking member 204d-5 is arranged between the upper side of the long plate of the connecting plate 204d-4 and the slot of the movable bed 204b, and the connecting plate 204d-4 is connected to the movable bed 204b through the locking member 204d-5, and the fixed bed 202 and the bed-passing component 204 are pushed up by the rising of the lifting column 104a. In this process, the sliding The column 204d-3 slides in the track 204d-2, driving the bed-passing component 204 to move synchronously. The bed-passing component 204 first rises with the fixed bed 202. When the sliding column 204d-3 slides into the ramp section through the straight section, the fixed bed 202 continues to rise. The bed-passing component 204 moves backward while rising and gradually separates from the fixed bed 202. Finally, the bed-passing component 204 can be separated from the connecting plate 204d-4 by pressing the locking button 204d-5 to complete the bed-passing.

[0074] See attached Figure 5As shown, a rectangular groove is provided on the top of the long plate of the connecting plate 204d-4, and the locking button 204d-5 includes a mounting plate 204d-5a embedded in the bottom of the groove, and a slider 204d-5b is provided in the groove and is slidably connected to the mounting plate 204d-5a, and one end of the slider 204d-5b along its moving direction is connected to the inner wall of the groove through a first spring 204d-5f, and a closed slide groove 204d-5c is provided in the slider 204d-5b, and the slide groove 204d-5c is "heart" shaped, and the slide groove 204d-5c is offset away from one end of the first spring 204d-5f. A guide post 204d-5d is slidably arranged in the slide groove 204d-5c, and a connecting rod 204d-5e is connected to the top of the guide post 204d-5d, and the other end of the connecting rod 204d-5e is rotatably connected to the top of the long plate of the connecting plate 204d-4 near the end of the first spring 204d-5f. When the slider 204d-5b reciprocates on the mounting plate 204d-5a, the first spring 204d-5f is squeezed and elastically deformed, and the connecting rod 204d-5e moves along the track opened by the slide groove 204d-5c through the action of the guide post 204d-5d.

[0075] At the same time, an accommodating groove 204d-5g is connected to the end of the groove away from the first spring 204d-5f, and the accommodating groove 204d-5g is flush with the groove. A fixing plate is installed at the end of the accommodating groove 204d-5g away from the groove, and the fixing plate is used to be installed and fixed with the connecting plate 204d-4. A protective plate 204d-5h is connected to the top of the groove and the top of the accommodating groove 204d-5g, and the end of the protective plate 204d-5h is open. A claw 204d-5i is slidably arranged in the accommodating groove 204d-5g, and the claw 204d-5i is connected to a guide rod 204d-5j, the other end of the guide rod 204d-5j passes through the groove wall of the groove and is connected to the slider 204d-5b, and an insertion block 204d-5k for matching with the claw 204d-5i is connected to the bottom of the movable bed 204b. When the claw 204d-5i is pressed to make it enter the accommodating groove 204d-5g, the claw 204d-5i is in a closed state and can wrap the insertion block 204d-5k. When the claw 204d-5i pops out of the accommodating groove 204d-5g, it automatically pops open and becomes open, and at this time the insertion block 204d-5k can be separated from the insertion block 204d-5k.

[0076] When the movable bed 204b is pushed forward so that the insert block 204d-5k pushes the claw 204d-5i into the receiving groove 204d-5g, the guide column 204d-5d will push the slider 204d-5b forward. At this time, the first spring 204d-5f is compressed, and the guide column 204d-5d drives the connecting rod 204d-5e to slide from the middle of the front end of the slide groove 204d-5c to the left along the track of the slide groove 204d-5c to the middle of the rear end of the slide groove 204d-5c. At this time, the movable bed 204b is connected with the connecting plate 204d-4; when the movable bed 204b is pushed forward again and pulled backward, the guide column 204d-5d will push the slider 204d-5b forward. The column 204d-5d will first push the slider 204d-5b forward again. At this time, the first spring 204d-5f is compressed again, and the guide column 204d-5d drives the connecting rod 204d-5e to slide from the middle of the rear end of the slide groove 204d-5c to the right along the track of the slide groove 204d-5c to the middle of the front end of the slide groove 204d-5c. At this time, the guide column 204d-5d will pop out backwards, and cooperate with people to manually pull the movable bed 204b backwards, driving the claw 204d-5i to pop out of the receiving slot 204d-5g and separate from the plug block 204d-5k. At this time, the movable bed 204b is separated from the connecting plate 204d-4, which is convenient for passing the bed.

[0077] When in use, the device is moved to one side of the MRI bed, the mobile bed 204b is connected to the connecting plate 204d-4, the self-locking winch 104c-3 is rotated forward, and the lifting column 104a is pulled up by the first pull rope 104d-4 and the second pull rope 104d-5, driving the fixed bed 202 to rise synchronously. At this time, the gas in the air cylinder 203b is filled into the telescopic airbag 203a, providing an upward supporting force for the fixed bed 202, making the lifting of the fixed bed 202 more stable and labor-saving. At the same time, as the sliding column 204d-3 moves on the inner track 204d-2 of the guide plate 204d-1, when the sliding column 204d -3 moves to the top of the straight section, as the sliding column 204d-3 enters the ramp section, the movable bed 204b will slide backwards with the rising fixed bed 202, and gradually separate from the fixed bed 202, until the rear side of the movable bed 204b is moved to the MRI bed, and the pushing device moves the movable bed 204b more to the MRI bed. At this time, the movable bed 204b is separated from the connecting plate 204d-4, and the movable bed 204b can be manually pushed again to be completely placed on the MRI bed. The entire bed-moving process is more labor-saving for medical staff and has low labor intensity, while avoiding secondary movement of the patient, which may aggravate the condition.

[0078] When the patient needs to be moved back to the device at a later stage, the device can be moved to the side of the MRI bed, and the height of the device can be adjusted to make it flush with the MRI bed. Then, a part of the movable bed 204b can be pushed back onto the fixed bed 202, and the movable bed 204b can be reconnected to the connecting plate 204d-4. By rotating the self-locking winch 104c-3 in the opposite direction, the movable bed 204b can be gradually moved back completely onto the fixed bed 202, completing the device resetting and facilitating the movement of the patient after the examination.

[0079] For better, see the attached Figures 1 to 11 As shown, the railing parts 301 are installed in pairs on both sides of the top plate 103 along its length direction. The railing parts 301 include a rotating shaft 301a arranged on the side of the top plate 103 in the horizontal direction, a rotating ring 301c is sleeved on one end of the rotating shaft, and a rotating cylinder 301d is sleeved on the other end. A limiting column 301b is fixed at the rotating ring 301c installed on the rotating shaft, and a bayonet matching the limiting column 301b is opened on the rotating ring 301c. The end of the rotating cylinder 301d away from the rotating shaft 301a is connected to the inner column 301e, the outer cylinder 301f is sleeved on the outer side of the inner column 301e, and the telescopic column 301g is rotatably connected in the outer cylinder 301f, and the other end of the telescopic column 301g is connected to the inner column 301e, and the telescopic column 301g is sleeved with a second spring 301h, and the end of the outer cylinder 301 away from the inner column 301e is installed with a mounting block 301i, and the mounting block 301i is connected to the side of the top plate 103. At the same time, the rotating ring 301c and the rotating cylinder 301d are both provided with an insert 301j, and the two inserts 301j are inserted with a railing pipe 301k, and the two railing pipes 301k are connected at one end away from the rotating shaft 301a through a railing handrail.

[0080] By pushing the railing tube 301k, the telescopic column 301g and the second spring 301h are compressed, and the inner column 301e shrinks into the outer tube 301f. At this time, the limit column 301b is separated from the bayonet on the rotating ring 301c. The railing tube 301k can be lowered by rotating it downward, which is convenient for daily cleaning and maintenance of the bed board and mattress 204e. The railing tube 301k can be pushed again to shrink the inner column 301e into the outer tube 301f, and the railing tube 301k can be erected again by rotating it upward.

[0081] For better, see the attached Figures 1 to 11As shown in the figure, the pedal component 302 includes a telescopic frame 302a arranged in the middle of one side of the fixed bed 202 along its length direction. The telescopic frame 302a is in an "n" shape. On both sides of the upper part of the telescopic frame 302a, a first triangular bracket is rotatably connected, and a first pedal 302b is bolted to the two first triangular brackets. The first pedal 302b is a rectangular plate with a certain thickness, and the first pedal 302b rotates at an angle on the telescopic frame 302a. A second triangular bracket is rotatably connected to the telescopic frame 302a below the first pedal 302b, and a second pedal 302c is bolted to the two second triangular brackets. The second pedal 302c is also a rectangular plate with a certain thickness. The width of the second pedal 302c is greater than that of the first pedal 302b. Anti-slip pads are adhered to the foot-stepping surfaces of the first pedal 302b and the second pedal 302c. At both ends of the first pedal 302b away from the telescopic frame 302a, support legs 302d are connected. The two support legs 302d are arranged vertically. The two support legs 302d and the first pedal 302b are hinged by a hinge. The middle parts of the two support legs 302d are respectively hinged to the middle parts of the second pedal 302c along the width direction by hinges. Handles are connected to the upper ends of the first pedal 302b and the second pedal 302c away from the foot-stepping side. Leg telescopic components 302e are symmetrically arranged on the adjacent sides of the lower ends of the two support legs 302d.

[0082] A baffle is also connected to the top of the telescopic frame 302a. When the two support legs 302d are stored in the telescopic frame 302a, the sides of the tops of the two support legs 302d away from the first pedal 302b abut against the baffle, preventing the first pedal 302b and the second pedal 302c from rotating too much when being stored.

[0083] During daily use, the first pedal 302b, the second pedal 302c, and the support legs 302d can all be stored in the telescopic frame 302a to reduce the occupied floor space. When used later, by pulling the handle, the first pedal 302b and the second pedal 302c can rotate 90 degrees, changing from the state of being vertically stored in the retractable frame to the state perpendicular to the telescopic frame 302a. At this time, the support legs 302d and the leg telescopic components 302e are pulled out from the retractable frame, and the support legs 302d on both sides are perpendicular to the first pedal 302b and the second pedal 302c. The leg telescopic components 302e are in contact with the ground to play a supporting role. In addition, the leg telescopic components 302e can be telescoped as the device rises and falls, facilitating the patient to get on and off the hospital bed by themselves later.

[0084] Specifically, the leg telescopic assembly 302e includes a support sleeve 302e-1 sleeved on the outer side of the lower end of the support leg 302d, a spur rack 302e-2 is connected to one side of the lower end of the support leg 302d in the support sleeve 302e-1, a gear 302e-3 is meshed and connected to one side of the spur rack 302e-2, and a sleeve rod 302e-5 is connected to the center of the gear 302e-3, and a rotating rod 302e-4 is slidably connected inside the sleeve rod 302e-5, and the outer wall of the rotating rod 302e-4 is sequentially provided with a plurality of first limit strips along the circumferential direction, and the inner wall of the sleeve rod 302e-5 is sequentially provided with a plurality of first limit strips along the circumferential direction. A first limit groove matching the first limit strip is provided, so that the rotating rod 302e-4 can be inserted into the sleeve rod 302e-5 and rotate synchronously with the sleeve rod 302e-5. The two ends of the rotating rod 302e-4 are rotatably connected to the front and rear sides of the support sleeve 302e-1 through bearings. The front end of the rotating rod 302e-4 passes through the support sleeve 302e-1 and is connected to a rotating block 302e-6. The rear end of the rotating rod 302e-4 passes through the support sleeve 302e-1 and is connected to a first locking assembly 302e-7. A second locking assembly 302e-8 is provided between the two rotating blocks 302e-6. When the device is raised or lowered, the support leg 302d and the spur rack 302e-2 will rise or fall synchronously, thereby driving the gear 302e-3, the rotating rod 302e-4 and the sleeve rod 302e-5 to rotate. By raising or lowering the support leg 302d, the device can be raised or lowered, and the pedal component 302 can still maintain a stable support, so that when the device is raised, the patient can also get on and off the bed safely.

[0085] Furthermore, the first locking assembly 302e-7 includes a sleeve 302e-7a connected to the outer side of the rear end of the rotating rod 302e-4, and the outer wall of the sleeve rod 302e-5 is sequentially provided with a plurality of second limiting strips along the circumferential direction, and the inner wall of the sleeve 302e-7a is sequentially provided with a plurality of second limiting grooves matching the second limiting strips along the circumferential direction, so that the sleeve rod 302e-5 can be inserted into the sleeve 302e-7a. A plurality of L-shaped clamping columns 302e-7b are connected around the support sleeve a, and the horizontal ends of the clamping columns 302e-7b are connected with anti-slip sleeves, an annular groove 302e-7c is provided on the rear side of the support sleeve 302e-1 for the insertion of the clamping columns 302e-7b, a plug column 302e-7d is connected to the rear end of the sleeve 302e-7a, and a socket matching the plug column 302e-7d is provided on the auxiliary support rod 105 arranged on the front side.

[0086] When the rotating block 302e-6 is pulled forward, the rotating rod 302e-4 moves forward and pulls the sleeve 302e-7a to be sleeved on the outside of the sleeve rod 302e-5, and the plug 302e-7d is separated from the socket on the auxiliary support rod 105. At this time, the clamping column 302e-7b extends into the annular groove 302e-7c on the rear side of the support sleeve 302e-1. Due to the friction force of the anti-slip sleeve, the sleeve 302e-7a is not easy to rotate, and the sleeve rod 302e-5 and the gear 302e-3 are not easy to rotate, thereby locking the support leg 302d and making it difficult to drop.

[0087] The second locking assembly 302e-8 includes a push-pull plate 302e-8a sleeved on the front ends of the two rotating rods 302e-4. The front ends of the rotating rods 302e-4 are set as a bare rod to facilitate the sliding of the push-pull plate 302e-8a. The front ends of the two rotating blocks 302e-6 are both rotatably connected with belt buckles 302e-8b. Snaps matching the belt buckles are installed on both sides of the push-pull plate 302e-8a. When the push-pull plate 302e-8a is pulled forward to the rear side of the rotating block 302e-6, the two belt buckles 302e-8b are pressed against the snaps on both sides to play a locking role, preventing the rotating rod 302e-4 from rotating, and further locking the support leg 302d to prevent it from falling.

[0088] When in use, the handle is pulled to pull the first pedal 302b and the second pedal 302c out of the telescopic frame 302a, so that the patient can get on and off the bed easily; when the fixed plate 202 rises, the telescopic frame 302a will rise synchronously, at this time, the support leg 302d and the straight rack 302e-2 in the support sleeve 302e-1 will be pulled out, until the lifting stops, the rotating block 302e-6 can be pulled forward first, so that the rotating rod 302e-4 moves forward to pull the sleeve 302e-7a sleeve Located on the outside of the sleeve rod 302e-5, the clamping column 302e-7b extends into the annular groove 302e-7c on the rear side of the support sleeve 302e-1. When the push-pull plate 302e-8a is pulled forward to the rear side of the rotating block 302e-6, the two belt buckles 302e-8b are pressed against the buttons on both sides respectively to lock the gear 302e-3. At this time, the supporting leg 302d and the spur rack 302e-2 will no longer move up and down, and the patient can get on and off the bed safely.

[0089] This application can be adapted to different types of beds and transfer carts, making it easy to use between various departments of the hospital (such as operating rooms, wards, emergency rooms, etc.), thereby improving the efficiency of equipment use.

[0090] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A bed transfer device, characterized in that: include: A support unit, comprising a bottom plate and a top plate having a thickness, wherein the bottom plate and the top plate are connected by a plurality of first pillars, and a first lifting component and a plurality of auxiliary support rods are installed between the bottom plate and the top plate; The mobile unit comprises a plurality of second pillars installed on the top plate, each of the first pillars and each of the second pillars is an internal hollow pillar, the interior of each of the second pillars is respectively connected to the interior of each of the first pillars, the tops of each of the second pillars are commonly connected to a fixed bed, a second lifting component is installed between the fixed bed and the top plate; a bed-passing component is installed on the fixed bed; The protection unit comprises a railing component and a pedal component installed on the bed component.

2. The bed transfer device according to claim 1, characterized in that: The first lifting component includes a lifting column, a transmission rod, a transmission assembly and a stretching assembly. One end of the lifting column is slidably connected to the inside of the first pillar, and the other end passes through the top plate and is slidably connected to the inside of the second pillar and extends to the bottom of the fixed bed. The lifting column is connected to the bottom of the fixed bed. Each of the first pillars is respectively arranged at the four corners of the bottom plate, and the two first pillars on the same side along the length direction of the bottom plate are connected by the transmission rod, and each of the transmission rods is located at the lower end of each of the first pillars; each of the transmission rods passes through each of the auxiliary support rods on the same side; The two transmission rods are connected by the transmission assembly, and the transmission assembly drives the two transmission rods to rotate synchronously; the lifting column, the top plate and the transmission rod are connected by the stretching assembly, and the stretching assembly drives the lifting column to reciprocate inside the first support column and the second support column.

3. The bed transfer device according to claim 2, characterized in that: The transmission assembly includes pulleys respectively mounted on the ends of the two transmission rods, and the two pulleys located on the same side along the width direction of the base plate are connected through a connecting belt transmission; a self-locking capstan is connected to one of the transmission rods located on the same side along the width direction of the base plate.

4. The bed transfer device according to claim 2, characterized in that: The stretching assembly includes a first pulley installed at the lower end of each lifting column, a fixing hook is installed at the bottom of the top plate above each first pulley, and a second pulley is installed at the bottom of the top plate on one side of each fixing hook; A first pull rope and a second pull rope are wound around each of the transmission rods, and the first pull rope and the second pull rope are provided at both ends of the same transmission rod. One end of each of the first pull ropes is respectively connected to each of the fixed hooks, and the other end passes through the first pulley and the second pulley in sequence and then is wound around the transmission rod; the two ends of the second pull rope are respectively wound around the two transmission rods, and the second pull rope drives the two transmission rods to transmit synchronously.

5. The bed transfer device according to claim 1, characterized in that: The second lifting component includes a telescopic airbag, an air cylinder, a one-way air inlet pipe, a one-way air outlet pipe and a piston rod. The telescopic airbag is installed between the fixed bed and the top plate; the air cylinder is installed between the top plate and the bottom plate; a piston head is provided in the air cylinder, one end of the piston rod is connected to the piston head, and the other end passes through the top plate and extends into the telescopic airbag and extends to the bottom of the fixed bed, and the piston rod is connected to the fixed bed; the two sides of the top of the air cylinder are respectively connected to the one-way air inlet pipe and the one-way air outlet pipe, and the other ends of the one-way air inlet pipe and the one-way air outlet pipe are connected to the telescopic airbag.

6. The bed transfer device according to claim 1, characterized in that: The bed transfer component includes guide rails, a movable bed, guide bars, a movable assembly and a mattress. The top of the fixed bed is provided with a plurality of guide rails in sequence along the width direction thereof. The movable bed is mounted on the fixed bed. The bottom of the movable bed is provided with a plurality of guide bars matching the guide rails in sequence along the width direction thereof. The movable bed is slidably connected to the fixed bed through the cooperation of the guide rails and the guide bars. The moving components are installed at both ends of the moving bed along its length direction; and the mattress is installed on the top of the moving bed.

7. The bed transfer device according to claim 6, characterized in that: The moving assembly comprises guide plates plugged and installed at both ends of the top plate along the length direction thereof, each of the guide plates is provided with a track, a sliding column is slidably connected in the track, and a connecting plate is connected to the sliding column; The movable bed is provided with slots on both sides along the width direction thereof, one end of the connecting plate extends into the slot, a locking button is provided between the connecting plate and the slot, and the locking button connects the connecting plate and the movable bed.

8. The bed transfer device according to claim 7, characterized in that: The track includes a straight section arranged in a vertical direction, a ramp section connected to the straight section and arranged upward at a certain angle, and a corner section connected to the ramp section. The connections between the straight section, the ramp section and the corner section all adopt arc transition.

9. The bed transfer device according to claim 7, characterized in that: The connecting plate is an L-shaped connecting plate, the long plate end of the L-shaped connecting plate is connected to the locking member, and the short plate end is connected to the sliding column.

10. The bed transfer device according to claim 9, characterized in that: A groove is provided on the top of the long plate of the connecting plate, and the locking button includes a mounting plate embedded in the groove, a slider slidably connected to the mounting plate is provided in the groove, and one end of the slider along its moving direction is connected to the inner wall of the groove through a first spring; a closed sliding groove is provided on the slider, and a guide column slidably connected to the sliding groove is provided in the sliding groove, and a connecting rod is connected to the guide column, and the other end of the connecting rod is rotatably connected to the top of the long plate of the connecting plate near one end of the first spring; An accommodating groove is connected to the end of the groove away from the first spring, the accommodating groove is flush with the groove, a protective plate is connected to the top of the groove and the top of the accommodating groove, and the accommodating groove is connected to the connecting plate; a claw slidably connected to the accommodating groove is provided in the accommodating groove, the claw is connected to a guide rod, the other end of the guide rod passes through the groove wall of the groove and is connected to the slider; an insertion block for matching with the claw is connected to the bottom of the movable bed, when the claw is pressed to enter the accommodating groove, the claw wraps the insertion block in a closed state; when the claw pops out of the accommodating groove, the claw is separated from the insertion block.

11. The bed transfer device according to claim 1, characterized in that: The railing parts are installed in pairs on both sides of the top plate along the length direction thereof, and the railing parts include a rotating shaft arranged on the side of the top plate, a rotating ring is sleeved on one end of the rotating shaft, and a rotating cylinder is sleeved on the other end, a limiting column is provided at the place where the rotating ring is installed on the rotating shaft, and a bayonet matching the limiting column is opened on the rotating ring; an inner column is connected to an inner column at one end of the rotating cylinder away from the rotating shaft, and the inner column is arranged in the same direction as the rotating shaft, and the other end of the inner column is connected to an outer cylinder via a telescopic column, and a second spring is sleeved on the telescopic column; an end of the outer cylinder away from the inner column is connected to the side of the top plate via a mounting block; Insertion rods connected to railing pipes are installed on the rotating ring and the rotating cylinder, and the ends of the two railing pipes away from the rotating shaft are connected through a railing handrail.

12. The bed transfer device according to claim 1, characterized in that: The pedal component includes a telescopic frame arranged on one side of the fixed bed along its length direction, the upper part of the telescopic frame is connected to the fixed bed, and the bottom of the telescopic frame is connected to the base plate. The telescopic frame is rotatably connected with a first pedal and a second pedal, the second pedal is located below the first pedal, and the first pedal is hinged with supporting legs in pairs, and both of the supporting legs extend to the second pedal and are hinged to the second pedal; a leg telescopic assembly is installed at the end of the two supporting legs away from the first pedal.

13. The bed transfer device according to claim 12, characterized in that: The leg telescopic assembly includes a support sleeve mounted on the outside of the two support legs, and a spur rack is connected to the support legs inside the two support sleeves, and the spur rack is meshed with a gear. The spur rack is located inside the support sleeve, and the gear is mounted on a sleeve rod. A rotating rod is slidably connected inside the sleeve rod, and both ends of the rotating rod pass through the support sleeve and extend to the outside of the support sleeve. A rotating block is connected to one end of the rotating rod located outside the support sleeve, and a first locking assembly is connected to the other end; the two rotating blocks located on the two support sleeves are connected by a second locking assembly.

14. The bed transfer device according to claim 13, characterized in that: A plurality of first limiting strips are sequentially arranged on the outer wall of the rotating rod along the circumferential direction, a first limiting groove matching the first limiting strips is opened on the inner wall of the sleeve rod along the circumferential direction, and the sleeve rod is sleeved on the rotating rod through the first limiting strips and the first limiting grooves.

15. The bed transfer device according to claim 13, characterized in that: The first locking assembly includes a sleeve sleeved on the rotating rod, a plurality of second limit strips are sequentially arranged on the outer wall of the sleeve rod along the circumferential direction, a second limit groove matching the second limit strip is opened on the inner wall of the sleeve along the circumferential direction, and the sleeve is sleeved on the sleeve rod through the second limit strip and the second limit groove; a plurality of clamping columns are installed on the outer wall of the sleeve along the circumferential direction, an annular groove used in conjunction with the clamping column is opened on the support sleeve, an insert column is connected to the end of the sleeve away from the sleeve rod, and the sleeve is connected to the auxiliary support rod through the insert column.

16. The bed transfer device according to claim 15, characterized in that: The clamping column is an L-shaped clamping column, and an anti-slip sleeve is provided on the connecting end of the clamping column and the annular groove.

17. The bed transfer device according to claim 15, characterized in that: The auxiliary support rod is provided with a plug hole used in conjunction with the plug post.

18. The bed transfer device according to claim 13, characterized in that: The second locking assembly comprises push-pull plates respectively sleeved on the two rotating rods, and the two rotating rods are rotatably connected via a belt buckle.

19. The bed transfer device according to claim 18, characterized in that: The connection between the rotating rod and the push-pull plate is a bare rod.

20. The bed transfer device according to claim 18, characterized in that: The push-pull plate is provided with snap buttons for use in conjunction with the belt buckle.

21. The bed transfer device according to claim 1, characterized in that: Universal wheels are installed at the four corners of the bottom of the base plate.

22. The bed transfer device according to claim 4, characterized in that: A dividing ring is provided between the first pull rope and the second pull rope of each transmission rod, and a moving groove is provided on opposite sides of the two first support pillars on the same side along the length direction of the bottom plate.

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