Rotating shaft assembly for medical tower crane

Abstract

The utility model discloses a rotating shaft assembly for a medical tower crane, which comprises a rotating shaft inner cylinder, a rotating shaft outer cylinder, a mounting ring, a bearing piece, a first plane bearing and a second plane bearing, and the rotating shaft inner cylinder comprises an inner cylinder body and an inner cylinder mounting seat connected to one end of the inner cylinder body; the rotating shaft outer cylinder comprises an outer cylinder body and an outer cylinder mounting base connected to one end of the outer cylinder body, the outer cylinder body sleeves the outer periphery of the inner cylinder body, the outer cylinder mounting base is located at the end, away from the inner cylinder mounting base, of the outer cylinder body, and the mounting ring is in threaded connection with the end, away from the inner cylinder mounting base, of the inner cylinder body; the bearing piece is installed between the outer circumferential wall of the inner barrel body and the inner circumferential wall of the outer barrel body, in the axial direction of the rotating shaft mechanism, the bearing piece is movably connected with the inner barrel installation base through a first plane bearing, and the bearing piece is movably connected with the installation ring through a second plane bearing. The rotating shaft assembly solves the problems that an existing rotating shaft assembly is poor in bias load bearing capacity and unstable in rotation.

Description

Technical Field

[0001] This utility model relates to the field of medical equipment technology, and in particular to a rotating shaft assembly for medical pendant towers. Background Technology

[0002] Medical pendant systems are essential gas supply equipment in modern hospital operating rooms, primarily used for the final transfer of medical gases such as oxygen, suction, compressed air, and nitrogen. The rotating shaft of a medical pendant is a crucial component, located at the cantilever joint, and is essential for the smooth rotation of the system.

[0003] When using a crane tower, the end loads are typically large offset loads. Therefore, the ability of the rotating components to resist large bending moment offset loads is crucial. Rotating components with high structural strength make the operation of the entire crane tower more stable and comfortable. Existing shaft assemblies have a weak capacity to bear offset loads, and often experience unstable rotation during operation. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a rotating shaft assembly for medical pendant systems, which solves the problems of weak load-bearing capacity and unstable rotation of existing rotating shaft assemblies.

[0005] This utility model is achieved through the following technical solution:

[0006] A pivot assembly for use in a medical pendant system includes:

[0007] The inner cylinder of the rotating shaft includes an inner cylinder body and an inner cylinder mounting base connected to one end of the inner cylinder body;

[0008] The outer cylinder of the rotating shaft includes an outer cylinder body and an outer cylinder mounting seat connected to one end of the outer cylinder body. The outer cylinder body is sleeved around the outer periphery of the inner cylinder body, and the outer cylinder mounting seat is located at the end of the outer cylinder body away from the inner cylinder mounting seat.

[0009] The mounting ring is threadedly connected to the end of the inner cylinder body away from the inner cylinder mounting seat;

[0010] A bearing component, wherein the bearing component is installed between the outer peripheral wall of the inner cylinder body and the inner peripheral wall of the outer cylinder body;

[0011] A first planar bearing is provided, and in the axial direction of the rotating shaft assembly, the bearing component and the inner cylinder mounting seat are movably connected via the first planar bearing.

[0012] A second planar bearing is provided, which is used to movably connect the bearing member and the mounting ring in the axial direction of the shaft assembly.

[0013] Furthermore, it also includes a first spacer sleeve and a second spacer sleeve, both of which are sleeved on the outer circumferential surface of the inner cylinder body, with the first spacer sleeve located between the bearing member and the first planar bearing, and the second spacer sleeve located between the bearing member and the second planar bearing.

[0014] Furthermore, a spacer block is protruding on the inner peripheral wall of the outer cylinder body, and the spacer block is fastened to the outer ring of the bearing component.

[0015] Furthermore, one side of the first spacer sleeve is fastened to the first planar bearing, and the other side abuts against the upper end face of the spacer block.

[0016] Furthermore, one side of the second spacer sleeve is fastened to the second planar bearing, and the other side abuts against the lower end face of the spacer block.

[0017] Furthermore, the first spacer sleeve is spaced apart from the bearing component, and the second spacer sleeve is spaced apart from the bearing component.

[0018] Furthermore, the bearing component is a deep groove ball bearing.

[0019] Furthermore, the inner cylinder body and the inner cylinder mounting base are welded or fixedly connected by screws.

[0020] Furthermore, the inner cylinder mounting seat has a recessed groove on the side facing the inner cylinder body, and the inner cylinder body is at least partially housed in the groove.

[0021] Furthermore, the outer cylinder body and the outer cylinder mounting base are welded or fixedly connected by screws.

[0022] Compared with existing technologies, the advantages of this utility model are:

[0023] By setting up a first and second planar bearing capable of withstanding axial loads and a deep groove ball bearing capable of withstanding radial loads, with a certain interval between the first and second planar bearings, the entire structure can withstand a large offset load, the rotating structure is stable, the rotational resistance is small, the design structure is simple, and the cost is low. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the overall structure of the rotating shaft assembly;

[0025] Figure 2 This is a sectional view of the rotating shaft assembly.

[0026] 1. Inner cylinder body; 2. Inner cylinder mounting base; 20. Groove; 3. Outer cylinder body; 30. Spacer block; 4. Outer cylinder mounting base; 5. Mounting ring; 6. Bearing component; 7. First plane bearing; 8. Second plane bearing; 9. First spacer sleeve; 10. Second spacer sleeve. Detailed Implementation

[0027] The following detailed, non-limiting description of the utility model's technical solution, in conjunction with preferred embodiments and accompanying drawings, is provided. In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model.

[0028] like Figure 1 and Figure 2 As shown, an embodiment of the present invention provides a rotating shaft assembly for a medical pendant, comprising an inner rotating shaft cylinder, an outer rotating shaft cylinder, a mounting ring 5, a bearing component 6, a first planar bearing 7, and a second planar bearing 8. The inner rotating shaft cylinder includes an inner cylinder body 1 and an inner cylinder mounting seat 2 connected to one end of the inner cylinder body 1. The outer rotating shaft cylinder includes an outer cylinder body 3 and an outer cylinder mounting seat 4 connected to one end of the outer cylinder body 3. The outer cylinder body 3 is sleeved around the outer periphery of the inner cylinder body 1, and the outer cylinder mounting seat 4 is located at the end of the outer cylinder body 3 away from the inner cylinder mounting seat 2. The mounting ring 5 is threadedly connected to the end of the inner cylinder body 1 away from the inner cylinder mounting seat 2. The bearing component 6 is installed between the outer peripheral wall of the inner cylinder body 1 and the inner peripheral wall of the outer cylinder body 3. In the axial direction of the rotating shaft assembly, the bearing component 6 is movably connected to the inner cylinder mounting seat 2 through the first planar bearing 7, and the bearing component 6 is movably connected to the mounting ring 5 through the second planar bearing 8.

[0029] In this embodiment, the mounting ring 5 is threaded to the end of the inner cylinder body 1 furthest from the inner cylinder mounting seat 2, which facilitates installation and ensures that the planar bearing has sufficient preload. Additionally, the mounting ring 5 can also be used as a friction pad for a brake.

[0030] The rotating shaft assembly also includes a first spacer sleeve 9 and a second spacer sleeve 10. Both the first spacer sleeve 9 and the second spacer sleeve 10 are fitted onto the outer circumferential surface of the inner cylinder body 1. The first spacer sleeve 9 is located between the bearing member 6 and the first flat bearing 7, and the second spacer sleeve 10 is located between the bearing member 6 and the second flat bearing 8. By setting the first spacer sleeve 9 and the second spacer sleeve 10, it is ensured that the mutual movement of each bearing does not interfere with each other.

[0031] In this embodiment, a spacer block 30 protrudes from the inner circumferential wall of the outer cylinder body 3, and the spacer block 30 is fastened to the outer ring of the bearing component 6. One side of the first spacer sleeve 9 is fastened to the first planar bearing 7, and the other side abuts against the upper end face of the spacer block 30. One side of the second spacer sleeve 10 is fastened to the second planar bearing 8, and the other side abuts against the lower end face of the spacer block 30. The first spacer sleeve 9 and the bearing component 6 are spaced apart, and the second spacer sleeve 10 and the bearing component 6 are also spaced apart.

[0032] In this embodiment, bearing component 6 is a deep groove ball bearing.

[0033] The inner cylinder body 1 and the inner cylinder mounting base 2 are welded together or fixedly connected by screws. In this embodiment, the inner cylinder body 1 and the inner cylinder mounting base 2 are fixedly connected by screws, which facilitates installation and disassembly.

[0034] In addition, the inner cylinder mounting base 2 has a recessed groove 20 on the side facing the inner cylinder body 1, and the inner cylinder body 1 is at least partially housed in the groove 20, further preventing the inner cylinder body 1 from radially offset relative to the inner cylinder mounting base 2.

[0035] The outer cylinder body 3 and the outer cylinder mounting base 4 are welded together or fixedly connected by screws. In this embodiment, the outer cylinder body 3 and the outer cylinder mounting base 4 are fixedly connected by screws, which facilitates installation and disassembly.

[0036] This utility model, by setting a first planar bearing 7 and a second planar bearing 8 that can withstand axial loads and a deep groove ball bearing that can withstand radial loads, with a certain interval between the first planar bearing 7 and the second planar bearing 8, the entire structure can withstand a large offset load, the rotating structure is stable, the rotational resistance is small, the design structure is simple, and the cost is low.

[0037] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A rotating shaft assembly for use in medical pendant systems, characterized in that, include: The inner cylinder of the rotating shaft includes an inner cylinder body (1) and an inner cylinder mounting seat (2) connected to one end of the inner cylinder body (1). The outer cylinder of the rotating shaft includes an outer cylinder body (3) and an outer cylinder mounting seat (4) connected to one end of the outer cylinder body (3). The outer cylinder body (3) is sleeved around the outer periphery of the inner cylinder body (1), and the outer cylinder mounting seat (4) is located at the end of the outer cylinder body (3) away from the inner cylinder mounting seat (2). Mounting ring (5), the mounting ring (5) is threaded to one end of the inner cylinder body (1) away from the inner cylinder mounting seat (2); Bearing component (6), the bearing component (6) is installed between the outer peripheral wall of the inner cylinder body (1) and the inner peripheral wall of the outer cylinder body (3); A first planar bearing (7) is used to movably connect the bearing member (6) and the inner cylinder mounting seat (2) in the axial direction of the rotating shaft assembly. The second planar bearing (8) is used to movably connect the bearing member (6) and the mounting ring (5) in the axial direction of the shaft assembly.

2. The rotating shaft assembly for a medical pendant according to claim 1, characterized in that, It also includes a first spacer sleeve (9) and a second spacer sleeve (10), both of which are sleeved on the outer circumferential surface of the inner cylinder body (1), and the first spacer sleeve (9) is located between the bearing member (6) and the first planar bearing (7), and the second spacer sleeve (10) is located between the bearing member (6) and the second planar bearing (8).

3. The rotating shaft assembly for a medical pendant according to claim 2, characterized in that, The inner circumferential wall of the outer cylinder body (3) is provided with a spacer block (30), and the spacer block (30) is fastened to the outer ring of the bearing component (6).

4. The rotating shaft assembly for a medical pendant according to claim 3, characterized in that, One side of the first spacer sleeve (9) is fastened to the first planar bearing (7), and the other side abuts against the upper end face of the spacer block (30).

5. The rotating shaft assembly for a medical pendant according to claim 3, characterized in that, One side of the second spacer sleeve (10) is fastened to the second planar bearing (8), and the other side abuts against the lower end face of the spacer block (30).

6. The rotating shaft assembly for a medical pendant according to claim 2, characterized in that, The first spacer sleeve (9) is spaced apart from the bearing component (6), and the second spacer sleeve (10) is spaced apart from the bearing component (6).

7. The rotating shaft assembly for a medical pendant according to claim 1, characterized in that, The bearing component (6) is a deep groove ball bearing.

8. The rotating shaft assembly for a medical pendant according to claim 1, characterized in that, The inner cylinder body (1) and the inner cylinder mounting base (2) are welded or fixedly connected by screws.

9. The rotating shaft assembly for a medical pendant according to claim 8, characterized in that, The inner cylinder mounting base (2) has a recessed groove (20) on the side facing the inner cylinder body (1), and the inner cylinder body (1) is at least partially housed in the groove (20).

10. The rotating shaft assembly for a medical pendant according to claim 1, characterized in that, The outer cylinder body (3) and the outer cylinder mounting base (4) are welded or fixedly connected by screws.

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