Medical bed lifting push rod structure capable of being accurately regulated and controlled

Abstract

The invention discloses a medical bed lifting push rod structure capable of being precisely regulated and controlled, and relates to the technical field of medical bed lifting push rod structures.The medical bed lifting push rod structure comprises a bottom plate, an oil tank body, a first connecting seat and a second connecting seat, the oil tank body is arranged on one side of the upper surface of the bottom plate, and a driving motor is arranged on one side of the oil tank body; a support is arranged at the bottom of the driving motor, electricity storage boxes are arranged on the front end face and the rear end face of the driving motor correspondingly, a first shaft sleeve is arranged on the upper surface of the oil tank body, an oil cylinder is arranged in the first shaft sleeve, a second shaft sleeve is arranged on the top of the oil cylinder, and a piston rod is installed in the oil cylinder. According to the scheme, the problems that in the prior art, when a push rod structure stretches out and draws back, the stability of the push rod structure cannot be guaranteed, and the use stability and convenience of the push rod structure are affected due to the fact that the push rod structure is fixedly arranged on a medical bed are solved.

Description

Technical Field

[0001] The invention relates to the technical field of a medical bed lifting push rod structure, in particular to a medical bed lifting push rod structure that can be precisely adjusted. Background Art

[0002] Electric push rod, also known as linear drive, is a new type of linear actuator mainly composed of motor push rod and control device. It can be considered as an extension of the structure of rotary motor. Electric push rod is an electric drive device that converts the rotary motion of the motor into the linear reciprocating motion of the push rod. It can be used as an executive machine in various simple or complex process flows to achieve remote control, centralized control or automatic control.

[0003] For example, the Chinese authorized patent with announcement number CN218961156U (an electric lifting push rod mechanism for a medical care bed): comprises a moving seat and a two-way lifting assembly, wherein the moving seat and the two-way lifting assembly are rotationally matched; support mechanisms are arranged on both sides of the moving seat, wherein the support mechanisms and the two-way lifting assembly are threadedly matched, and the two supporting mechanisms arranged relatively to each other are moved toward each other by the rotation of the two-way lifting assembly; connecting assemblies are arranged on both sides of the moving seat, wherein one side of the connecting assembly is rotationally connected to the moving seat, and the other side of the connecting assembly is rotationally connected to the supporting mechanism The supporting mechanism comprises an internal thread ring, an internal screw, an internal thread tube and a lifting gear, the internal thread ring is threadedly matched with the two-way lifting assembly, the internal screw is threadedly matched with the internal thread tube, the lower end of the internal screw is rotatably connected to the internal thread ring, the lifting gear is fixedly arranged on the internal screw and meshes with the horizontal rack on the moving seat for transmission, and the electric lifting structure and the medical bed are assembled in a detachable connection manner. When the medical bed needs to be moved to the required place, it is only necessary to move the electric lifting structure alone, thereby effectively avoiding space congestion caused by moving the entire medical bed.

[0004] However, the push rod structure in the above-mentioned prior art cannot ensure its stability when extending and retracting, and its setting is fixed on the medical bed, which affects its stability and convenience of use; therefore, it does not meet the existing needs. In this regard, we propose a medical bed lifting push rod structure that can be precisely adjusted. Summary of the invention

[0005] The object of the present invention is to provide a precisely adjustable lifting push rod structure for a medical bed, so as to solve the problem that the push rod structure in the prior art proposed in the above background technology cannot ensure its stability when extending and retracting, and its setting is fixed on the medical bed, thereby affecting its stability and convenience of use.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a precisely adjustable medical bed lifting push rod structure, comprising a base plate, an oil tank body, a first connecting seat and a second connecting seat, an oil tank body is arranged on one side of the upper surface of the base plate, a drive motor is arranged on one side of the oil tank body, a bracket is arranged at the bottom of the drive motor, and a power storage box is arranged on the front and rear end surfaces of the drive motor, a first bushing is arranged on the upper surface of the oil tank body, an oil cylinder is arranged inside the first bushing, a second bushing is arranged on the top of the oil cylinder, a piston rod is installed inside the oil cylinder, a second connecting seat is arranged above the piston rod, and a first connecting seat is arranged below the base plate.

[0007] Preferably, a power cord is provided on one side of the lower surface of the bottom plate, a mounting bracket is provided on one side of the power cord, and a second connecting hole is provided through the interior of the mounting bracket.

[0008] Preferably, a connection block is provided on the upper surface of the first connection seat, and the connection block is plug-connected with the interior of the mounting frame, and first fixing holes are provided on both sides of the upper surface of the first connection seat.

[0009] Preferably, connecting rods are installed on both side end surfaces of the connecting block, and threaded columns are provided on both side end surfaces of the connecting rods. Both sides of the connecting rods are threadedly connected to the connecting block and the second connecting hole through the threaded columns respectively, and fixing nuts are installed on the threaded columns.

[0010] Preferably, a mounting block is provided on the upper surface of the piston rod, a first mounting hole is provided inside the mounting block, a connecting head is installed on the mounting block, the connecting head is threadedly connected to the inside of the first mounting hole, and a first connecting hole is provided inside the connecting head.

[0011] Preferably, second fixing holes are provided on both sides of the upper surface of the second connecting seat, a connecting frame is provided between the second fixing holes, the connecting head is plug-connected with the inside of the connecting frame, and a limiting hole is provided inside the connecting frame.

[0012] Preferably, limit strips are arranged around the surface of the piston rod, and a connecting column is arranged at the bottom of the piston rod.

[0013] Preferably, a piston is provided on the connecting column, a second mounting hole is provided inside the piston, and the connecting column is threadedly connected to the piston through the second mounting hole.

[0014] Preferably, a base is provided on one end surface of the driving motor, a driving shaft is provided on one side of the base, and a coupling is provided on one side of the driving shaft.

[0015] Preferably, an oil pump is provided on one side of the coupling, and an integrated block is provided on one side of the oil pump.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. The present invention sets a first connecting seat and a second connecting seat, the bottom plate is connected to the first connecting seat through a mounting frame, and the piston rod is installed and connected to the second connecting seat through a connecting head, and then the first connecting seat and the second connecting seat are fixedly connected to the bed frame of the medical bed by installing screws in the first fixing hole and the second fixing hole, so as to facilitate the disassembly and assembly of the first connecting seat and the second connecting seat and the adjustment of the position. When the driving motor is started, the speed is reduced and the torque is increased by the reducer, and then the screw is driven to rotate, so that the push rod is telescopic along the axial direction of the screw, so that the piston rod is telescopic in the oil cylinder. This movement can realize the height adjustment, back lifting and leg adjustment functions of the medical bed to meet the needs of different patients, and is also convenient for medical staff to perform nursing operations. When in use, the mechanical device is used to convert power into linear motion, which perfectly meets the high standard requirements of medical equipment for precise and multi-directional adjustment, has the advantages of simple operation and precise adjustment, etc., solves the problem that the push rod structure in the prior art cannot ensure its stability when telescoping, and its setting is fixed on the medical bed, thereby affecting its stability and convenience of use.

[0018] 2. By setting limit strips on the surface around the piston rod, and connecting the limit strips with the inner wall of the oil cylinder by plugging, its stability is guaranteed to avoid displacement during extension and contraction, and the first sleeve and the second sleeve are respectively set at the upper and lower ends of the oil cylinder to ensure its sealing during use.

[0019] 3. By setting a fuel tank cap on one side of the fuel tank body, it is convenient to observe and fill the interior of the fuel tank body. At the same time, power storage boxes are set on the front and rear ends of the drive motor so that it can be used without the support of an external power supply to ensure its normal operation and safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the electric push rod structure of the present invention;

[0021] Figure 2 It is an enlarged schematic diagram of the local structure of the piston rod of the present invention;

[0022] Figure 3 It is an enlarged schematic diagram of the local structure of the driving motor of the present invention;

[0023] Figure 4 It is an enlarged schematic diagram of the first connecting seat structure of the present invention;

[0024] Figure 5 It is an enlarged schematic diagram of the second connecting seat structure of the present invention;

[0025] In the figure: 1, bottom plate; 2, oil tank body; 3, first bushing; 4, oil cylinder; 5, second bushing; 6, piston rod; 7, connector; 8, first connecting hole; 9, oil tank cover; 10, power cord; 11, mounting bracket; 12, second connecting hole; 13, driving motor; 14, power storage box; 15, bracket; 16, limit strip; 17, mounting block; 18, first mounting hole; 19, connecting column; 20, piston; 21, second mounting hole; 22, machine base; 23, driving shaft; 24, coupling; 25, oil pump; 26, integrated block; 27, first connecting seat; 28, connecting block; 29, connecting rod; 30, threaded column; 31, fixing nut; 32, first fixing hole; 33, second connecting seat; 34, second fixing hole; 35, connecting bracket; 36, limit hole. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0027] See also Figure 1-5An embodiment of the present invention provides a precisely adjustable medical bed lifting push rod structure, comprising a bottom plate 1, an oil tank body 2, a first connecting seat 27 and a second connecting seat 33, an oil tank body 2 is arranged on one side of the upper surface of the bottom plate 1, a driving motor 13 is arranged on one side of the oil tank body 2, a bracket 15 is arranged at the bottom of the driving motor 13, and a power storage box 14 is arranged on the front and rear end surfaces of the driving motor 13, a first shaft sleeve 3 is arranged on the upper surface of the oil tank body 2, an oil cylinder 4 is arranged inside the first shaft sleeve 3, a second shaft sleeve 5 is arranged on the top of the oil cylinder 4, a piston rod 6 is installed inside the oil cylinder 4, a second connecting seat 33 is arranged above the piston rod 6, a first connecting seat 27 is arranged below the bottom plate 1, and the piston rod 6 is installed and connected with the second connecting seat 33 through a connecting head 7, and a bottom plate 1 is provided with a first connecting seat 27, and a piston rod 6 is installed and connected with the second connecting seat 33 through a connecting head 7. The plate 1 is connected to the first connecting seat 27 through the mounting frame 11, and then the first connecting seat 27 and the second connecting seat 33 are fixedly connected to the bed frame of the medical bed by installing screws in the first fixing hole 32 and the second fixing hole 34, so as to facilitate the disassembly and assembly of the first connecting seat 27 and the second connecting seat 33 and the adjustment of the position. When the driving motor 13 is started, the speed is reduced and the torque is increased through the reducer, and then the screw is driven to rotate, so that the push rod is telescopically moved along the axial direction of the screw, so that the piston rod 6 is telescopic in the oil cylinder 4. This movement can realize the height adjustment, back lifting and leg adjustment functions of the medical bed to meet the needs of different patients, and is also convenient for medical staff to perform nursing operations. When in use, the mechanical device is used to convert the power into linear motion The invention perfectly meets the high standard requirements of medical equipment for precise and multi-directional adjustment, has the advantages of simple operation and precise adjustment, and solves the problem that the push rod structure in the prior art cannot ensure its stability when extending and retracting, and its setting is fixed on the medical bed, thus affecting its stability and convenience of use. By arranging limit strips 16 on the surface around the piston rod 6, and connecting the limit strips 16 with the inner wall of the oil cylinder 4 by plugging, its stability is guaranteed to avoid displacement during extension and retraction, and the upper and lower ends of the oil cylinder 4 are respectively provided with a first shaft sleeve 3 and a second shaft sleeve 5 to ensure its sealing during use. By arranging an oil tank cover 9 on one side end face of the oil tank body 2, it is convenient to observe and inject oil into the interior of the oil tank body 2, and at the same time drive the motor 13 The front and rear end faces of the coupling 24 are both provided with a power storage box 14, so that it can be used without the support of an external power supply to ensure its normal operation and safety. During operation, the main function of the coupling 24 is to connect the two shafts or the shaft and the rotating part, which rotate together during the process of transmitting motion and power, and do not disengage under normal circumstances. It can tightly connect the two shafts or the shaft and the rotating part together to ensure that they can rotate synchronously when transmitting motion and power, and it also serves as a safety device to prevent the connected parts from being subjected to excessive loads. When the load exceeds a certain limit, the coupling 24 can play an overload protection role to prevent damage to the parts. The coupling 24 plays an important role in mechanical engineering. It can not only connect and transmit power, but also provide overload protection.And select the appropriate type according to different application requirements. The oil pump 25 extracts the liquid from the container and pressurizes it so as to transport or supply it to the required place. It transports the liquid from the low-pressure area to the high-pressure area through mechanical energy or other external energy, thereby realizing the pressurization and transportation of the liquid. The integrated block 26 can firmly fix the electric push rod on the mechanical equipment to prevent the push rod from shaking or loosening during the working process, ensure the stable operation of the push rod, and can protect the electric push rod from external forces to a certain extent, enhance its pressure resistance, and thus extend the service life of the electric push rod.

[0028] See also Figure 1-Figure 5 A power cord 10 is disposed on one side of the lower surface of the bottom plate 1 , a mounting bracket 11 is disposed on one side of the power cord 10 , and a second connecting hole 12 is penetrated inside the mounting bracket 11 .

[0029] See also Figure 1-Figure 5 The upper surface of the first connecting seat 27 is provided with a connecting block 28, and the connecting block 28 is plug-connected with the inside of the mounting frame 11. Both sides of the upper surface of the first connecting seat 27 are provided with first fixing holes 32. The piston rod 6 is installed and connected with the second connecting seat 33 through the connecting head 7. The bottom plate 1 is connected with the first connecting seat 27 through the mounting frame 11. Then, the first connecting seat 27 and the second connecting seat 33 are fixedly connected with the bed frame of the medical bed by installing screws in the first fixing hole 32 and the second fixing hole 34, which is convenient for the disassembly and assembly and positioning of the first connecting seat 27 and the second connecting seat 33. When the driving motor 13 is started, the speed is reduced and the torque is increased through the reducer, and then the screw is driven to rotate, so that the push rod can be telescopically moved along the axial direction of the screw, so that the piston rod 6 can be telescopically moved in the oil cylinder 4. This movement can realize the height adjustment, back lifting and leg adjustment functions of the medical bed to meet the needs of different patients, and it is also convenient for medical staff to perform nursing operations. When in use, the mechanical device is used to convert power into linear motion, which perfectly meets the high standard requirements of medical equipment for precise and multi-directional adjustment, and has the advantages of simple operation and precise adjustment.

[0030] See also Figure 1-Figure 5 Connecting rods 29 are installed on both side end surfaces of the connecting block 28, and threaded columns 30 are provided on both side end surfaces of the connecting rod 29. The two sides of the connecting rod 29 are threadedly connected to the connecting block 28 and the second connecting hole 12 through the threaded columns 30 respectively, and fixing nuts 31 are installed on the threaded columns 30.

[0031] See also Figure 1-Figure 5The upper surface of the piston rod 6 is provided with a mounting block 17, and a first mounting hole 18 is provided inside the mounting block 17. A connector 7 is installed on the mounting block 17, and the connector 7 is threadedly connected to the inside of the first mounting hole 18. The inside of the connector 7 is provided with a first connecting hole 8. The piston rod 6 is installed and connected to the second connecting seat 33 through the connector 7. The bottom plate 1 is connected to the first connecting seat 27 through the mounting frame 11. Then, the first connecting seat 27 and the second connecting seat 33 are fixedly connected to the bed frame of the medical bed by installing screws inside the first fixing hole 32 and the second fixing hole 34, which is convenient for the first connecting seat 27 and the second connecting seat 33 to be fixedly connected. The second connecting seat 33 is disassembled and assembled and the position is adjusted. When the driving motor 13 is started, the speed is reduced and the torque is increased through the reducer, and then the screw is driven to rotate, so that the push rod can be telescopic along the axial direction of the screw, so that the piston rod 6 can be telescopic in the cylinder 4. This movement can realize the height adjustment, back lifting and leg adjustment functions of the medical bed to meet the needs of different patients, and it is also convenient for medical staff to perform nursing operations. When in use, the mechanical device is used to convert power into linear motion, which perfectly meets the high standard requirements of medical equipment for precise and multi-directional adjustment, and has the advantages of simple operation and precise adjustment.

[0032] See also Figure 1-Figure 5 Second fixing holes 34 are provided on both sides of the upper surface of the second connecting seat 33, a connecting frame 35 is provided between the second fixing holes 34, the connector 7 is plug-connected with the inside of the connecting frame 35, and a limiting hole 36 is provided inside the connecting frame 35.

[0033] See also Figure 1-Figure 5, limit strips 16 are arranged around the surface of the piston rod 6, a connecting column 19 is arranged at the bottom of the piston rod 6, the piston rod 6 is installed and connected with the second connecting seat 33 through the connecting head 7, the bottom plate 1 is connected with the first connecting seat 27 through the mounting frame 11, and then the first connecting seat 27 and the second connecting seat 33 are fixedly connected with the bed frame of the medical bed by installing screws in the first fixing hole 32 and the second fixing hole 34, so as to facilitate the disassembly and assembly of the first connecting seat 27 and the second connecting seat 33 and the adjustment of the position. When the driving motor 13 is started, the speed is reduced and the torque is increased through the reducer, and then the screw is driven to rotate, so that the push rod is telescopically moved along the axial direction of the screw, so that the piston rod 6 is telescopically moved in the oil cylinder 4, and this movement can realize the medical The bed has height adjustment, back lifting and leg adjustment functions to meet the needs of different patients and facilitate medical staff to perform nursing operations. When in use, a mechanical device is used to convert power into linear motion, which perfectly meets the high standards of medical equipment for precise and multi-directional adjustment. It has the advantages of simple operation and precise adjustment. It solves the problem that the push rod structure in the prior art cannot ensure its stability during extension and retraction, and its setting is fixed on the medical bed, thereby affecting its stability and convenience of use. The limit strip 16 is connected to the inner wall of the oil cylinder 4 by plugging it in, so that its stability is guaranteed during extension and retraction to avoid displacement. The upper and lower ends of the oil cylinder 4 are respectively provided with a first sleeve 3 and a second sleeve 5 to ensure its sealing during use.

[0034] See also Figure 1-Figure 5 , a piston 20 is arranged on the connecting column 19, a second mounting hole 21 is arranged inside the piston 20, the connecting column 19 is threadedly connected to the piston 20 through the second mounting hole 21, the piston rod 6 is installed and connected to the second connecting seat 33 through the connecting head 7, the bottom plate 1 is connected to the first connecting seat 27 through the mounting frame 11, and then the first connecting seat 27 and the second connecting seat 33 are fixedly connected to the bed frame of the medical bed by installing screws inside the first fixing hole 32 and the second fixing hole 34, so as to facilitate the disassembly and assembly and position adjustment of the first connecting seat 27 and the second connecting seat 33. When the driving motor 13 is started, the speed is reduced and the torque is increased through the reducer, and then the driving motor 13 is driven. The movable screw rotates to make the push rod telescopic movement along the axial direction of the screw, so that the piston rod 6 can be telescoped in the oil cylinder 4. This movement can realize the height adjustment, back lifting and leg adjustment functions of the medical bed to meet the needs of different patients, and it is also convenient for medical staff to perform nursing operations. When in use, the mechanical device is used to convert power into linear motion, which perfectly meets the high standard requirements of medical equipment for precise and multi-directional adjustment. It has the advantages of simple operation and precise adjustment, etc., and solves the problem that the push rod structure in the prior art cannot ensure its stability when telescoping, and its setting is fixed on the medical bed, thereby affecting its stability and convenience of use.

[0035] See also Figure 1-Figure 5 A base 22 is provided on one end face of the driving motor 13, a driving shaft 23 is provided on one side of the base 22, a coupling 24 is provided on one side of the driving shaft 23, an oil pump 25 is provided on one side of the coupling 24, and an integrated block 26 is provided on one side of the oil pump 25. The coupling 24 mainly connects two shafts or shafts and rotating parts, rotates together during the process of transmitting motion and power, and does not disengage under normal circumstances. It can tightly connect the two shafts or shafts and rotating parts together to ensure that they can rotate synchronously when transmitting motion and power, and also serves as a safety device to prevent the connected parts from being subjected to excessive loads. When the load exceeds a certain limit, the coupling 24 can play an overload protection role. To prevent damage to mechanical parts, the coupling 24 plays an important role in mechanical engineering. It can not only connect and transmit power, but also provide overload protection and select appropriate types according to different application requirements. The oil pump 25 extracts the liquid from the container and pressurizes it so that it can be transported or supplied to where it is needed. It transports the liquid from the low-pressure area to the high-pressure area through mechanical energy or other external energy, thereby achieving liquid pressurization and transportation. The integrated block 26 can firmly fix the electric push rod on the mechanical equipment to prevent the push rod from shaking or loosening during work, ensure the stable operation of the push rod, and to a certain extent protect the electric push rod from external forces, enhance its pressure resistance, and thus extend the service life of the electric push rod.

[0036] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A precisely adjustable medical bed lifting push rod structure, comprising a base plate (1), an oil tank body (2), a first connecting seat (27) and a second connecting seat (33), characterized in that: An oil tank body (2) is arranged on one side of the upper surface of the base plate (1), a driving motor (13) is arranged on one side of the oil tank body (2), a bracket (15) is arranged at the bottom of the driving motor (13), and a power storage box (14) is arranged at the front and rear end surfaces of the driving motor (13), a first shaft sleeve (3) is arranged on the upper surface of the oil tank body (2), an oil cylinder (4) is arranged inside the first shaft sleeve (3), a second shaft sleeve (5) is arranged on the top of the oil cylinder (4), a piston rod (6) is installed inside the oil cylinder (4), a second connecting seat (33) is arranged above the piston rod (6), and a first connecting seat (27) is arranged below the base plate (1).

2. The precisely adjustable medical bed lifting push rod structure according to claim 1, characterized in that: A power cord (10) is provided on one side of the lower surface of the base plate (1), a mounting frame (11) is provided on one side of the power cord (10), and a second connection hole (12) is provided through the interior of the mounting frame (11).

3. The precisely adjustable medical bed lifting push rod structure according to claim 2 is characterized in that: A connecting block (28) is provided on the upper surface of the first connecting seat (27), and the connecting block (28) is plug-connected to the inside of the mounting frame (11). First fixing holes (32) are provided on both sides of the upper surface of the first connecting seat (27).

4. The precisely adjustable medical bed lifting push rod structure according to claim 3 is characterized in that: Connecting rods (29) are installed on both side end surfaces of the connecting block (28), and threaded columns (30) are provided on both side end surfaces of the connecting rod (29). Both sides of the connecting rod (29) are threadedly connected to the connecting block (28) and the second connecting hole (12) through the threaded columns (30), and fixing nuts (31) are installed on the threaded columns (30).

5. The precisely adjustable medical bed lifting push rod structure according to claim 4 is characterized in that: The upper surface of the piston rod (6) is provided with a mounting block (17), the interior of the mounting block (17) is provided with a first mounting hole (18), a connecting head (7) is installed on the mounting block (17), the connecting head (7) is threadedly connected to the interior of the first mounting hole (18), and the interior of the connecting head (7) is provided with a first connecting hole (8).

6. The precisely adjustable medical bed lifting push rod structure according to claim 5, characterized in that: Second fixing holes (34) are provided on both sides of the upper surface of the second connecting seat (33), a connecting frame (35) is provided between the second fixing holes (34), the connecting head (7) is plug-connected with the inside of the connecting frame (35), and a limiting hole (36) is provided inside the connecting frame (35).

7. The precisely adjustable medical bed lifting push rod structure according to claim 6, characterized in that: Limiting strips (16) are arranged around the surface of the piston rod (6), and a connecting column (19) is arranged at the bottom of the piston rod (6).

8. The precisely adjustable medical bed lifting push rod structure according to claim 7, characterized in that: The connecting column (19) is provided with a piston (20), a second mounting hole (21) is provided inside the piston (20), and the connecting column (19) is threadedly connected to the piston (20) through the second mounting hole (21).

9. The precisely adjustable medical bed lifting push rod structure according to claim 8, characterized in that: A base (22) is provided on one end surface of the drive motor (13), a drive shaft (23) is provided on one side of the base (22), and a coupling (24) is provided on one side of the drive shaft (23).

10. The precisely adjustable medical bed lifting push rod structure according to claim 9, characterized in that: An oil pump (25) is provided on one side of the coupling (24), and an integrated block (26) is provided on one side of the oil pump (25).

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