Rotary damping adjustable medical tower

Abstract

The utility model relates to medical tower structure technical field, concretely points to a kind of medical tower of rotary damping adjustable. Including main shaft, the main shaft is vertically arranged, and main shaft bottom end is equipped with connecting block, and connecting block is equipped with damping pivot;First cantilever, the first cantilever one end is connected in connecting block around vertical shaft rotation by damping pivot, and the other end is equipped with the first medical function box of installing airflow interface and power interface;The damping pivot includes outer tube, the flexible damping sleeve of abutting sleeve in outer tube, the inner shaft of abutting sleeve in damping sleeve, the limiting member of one end axial limiting of damping sleeve and adjusting part, the adjusting part is set on inner shaft or outer tube along inner shaft axial adjustable, and adjusting part is equipped with the pusher of abutting compression damping sleeve other end. Axial movement adjusting part makes pusher axial compression damping sleeve, and damping sleeve radial expansion friction force to inner shaft and outer tube becomes big, realize adjusting rotation damping, simple structure, convenient to use.

Description

Technical Field

[0001] This utility model relates to the field of medical pendant structure technology, specifically to a medical pendant with adjustable rotational damping. Background Technology

[0002] Medical pendant systems are commonly used in operating rooms and intensive care units. A typical medical pendant system consists of a main shaft and a cantilever rotatably connected to the main shaft. A medical function box is connected to the cantilever, which is equipped with an airflow interface and a power interface. It is mainly used for terminal transfer of medical gases such as oxygen supply, suction, compressed air, and nitrogen, as well as power transfer of electrical equipment.

[0003] Existing medical pendant systems have a rubber sleeve between the cantilever and the main shaft to provide friction between the cantilever and the main shaft, allowing the cantilever to be fixed in the required position. However, after long-term use, the rubber sleeve wears out, reducing the friction between the cantilever and the main shaft, causing the cantilever to be unable to be suspended in the required position. Therefore, a medical pendant system with adjustable rotational damping is needed. Utility Model Content

[0004] The main purpose of this utility model is to overcome the shortcomings of the above-mentioned background technology and provide a medical pendant with adjustable rotational damping.

[0005] The technical solution adopted in this utility model is: a medical tower crane with adjustable rotational damping, the medical tower crane comprising,

[0006] The main shaft is vertically arranged, and a connecting block is provided at the bottom end of the main shaft. A damping rotating shaft is provided on the connecting block.

[0007] The first cantilever has one end connected to the connecting block via a damping shaft that rotates around the vertical axis, and the other end is equipped with a first medical functional box with an airflow interface and a power interface.

[0008] The damping shaft includes an outer cylinder, a tough damping sleeve fitted inside the outer cylinder, an inner shaft fitted inside the damping sleeve, a limiting member for axially limiting one end of the damping sleeve, and an adjusting member. The adjusting member is axially adjustable along the inner shaft and is mounted on the inner shaft or the outer cylinder. The adjusting member is provided with a pushing member that abuts against the other end of the damping sleeve.

[0009] Furthermore, one end of the inner shaft extends out of the outer cylinder end face; the adjusting component includes a screw-on component threadedly connected to the portion of the inner shaft extending out of the outer cylinder.

[0010] Optionally, the adjusting component includes a screwing component threaded onto the outer cylinder, and the end of the screwing component protruding from the end face of the outer cylinder is provided with the pushing component; the outer cylinder is provided with a corresponding external thread.

[0011] Optionally, the pushing member is an annular sleeve fitted outside the inner shaft and inside the outer cylinder.

[0012] Furthermore, one end of the inner shaft extends out of the outer cylinder end face; the adjusting component includes a screw-on component threadedly connected to the portion of the inner shaft extending out of the outer cylinder.

[0013] Furthermore, the pushing component includes a spring sleeved outside the inner shaft, with both ends of the spring abutting against the screwing component and the damping sleeve, respectively.

[0014] Furthermore, an annular pad that is slidably fitted outside the inner shaft is provided between the spring and the damping sleeve.

[0015] Furthermore, a guide cylinder sleeved on the inner shaft is fixed on the side of the annular pad near the spring.

[0016] Furthermore, the limiting member is an annular structure that abuts against the end face of the damping sleeve and is fixed on the outer circumference of the inner shaft or the inner wall of the outer cylinder.

[0017] Furthermore, a first pressure-bearing ring is fixedly provided inside the outer cylinder, and the inner wall of the first pressure-bearing ring abuts against the damping sleeve. A second pressure-bearing ring is fixedly provided at the bottom end of the inner shaft, and its axial top surface abuts against the first pressure-bearing ring. The second pressure-bearing ring serves as the limiting member.

[0018] Furthermore, the top surface of the second pressure ring is provided with protruding conical rollers at axial intervals; the bottom surface of the first pressure ring is provided with an annular groove for coupling the conical rollers.

[0019] Furthermore, an inner flange and an outer flange are respectively fixed at opposite ends of the inner shaft and the outer cylinder for bolting connection of the first and second components that need to be rotatably connected.

[0020] Preferably, a reinforcing plate is provided at the connection between the first cantilever and the inner or outer flange.

[0021] Furthermore, the connecting block and the first cantilever are bolted to the inner flange and the outer flange respectively as the first component and the second component, or the connecting block is bolted to the outer flange and the first cantilever is bolted to the inner flange.

[0022] Furthermore, the end of the first cantilever away from the connecting block is connected to a second cantilever via a damping pivot, and the second cantilever is equipped with the first medical functional box.

[0023] Furthermore, the airflow interface includes at least one of an oxygen interface, a negative pressure interface, a carbon dioxide interface, a nitrogen interface, and an air interface; the side wall of the first medical functional box is provided with an infusion stand, a tray, and a drawer located below the tray.

[0024] Furthermore, a third cantilever is connected to the connecting block via a damping pivot. One end of the third cantilever is provided with a vertical connecting shaft, and the bottom end of the connecting shaft is provided with a second medical functional box integrating an airflow interface and a power interface.

[0025] Furthermore, an information screen is provided on the first cantilever; a connecting rod extends from the upper side of the third cantilever, and a monitor is provided on the connecting rod.

[0026] The beneficial effects of this utility model include: 1. The first cantilever is rotatably connected to the main shaft through a damping shaft. The damping sleeve is sleeved between the inner shaft and the outer cylinder and one end is axially limited by the limiting member. When the damping sleeve is worn out, the axially moving adjusting member causes the pushing member to axially compress the damping sleeve. The radial expansion of the damping sleeve increases the friction force on the inner shaft and the outer cylinder, so that the first cantilever can continue to be stopped in the required position. This solves the problem that the rubber sleeve of conventional medical pendant towers cannot be suspended as needed after wear. The overall structure is simple.

[0027] 2. The adjusting component has a simple structure. One end of the inner shaft extends out of the outer cylinder for easy installation. The adjusting component is connected to the inner shaft by a screw thread. When the screw thread rotates, it can move the pushing component axially to adjust the friction force of the damping sleeve on the inner shaft and the outer cylinder. It is easy to use.

[0028] 3. Using a spring as a pushing component can absorb the torque generated on the screwing component when the cantilever rotates, thus preventing the screwing component from rotating when the cantilever rotates.

[0029] 4. The ring-shaped pad can increase the pressure surface of the spring on the damping sleeve, increase the contact area, and avoid aggravating wear on the contact end face of the damping sleeve;

[0030] 5. The limiting component has a simple structure. Its ring structure is located on the outer circumference of the inner shaft or the inner wall of the outer cylinder and is connected to the end face of the damping sleeve, which can achieve axial limiting of one end of the damping sleeve.

[0031] 6. The outer cylinder abuts against the top surface of the second bearing ring on the inner shaft through the first bearing ring, thereby suspending the outer cylinder on the inner cylinder. The second bearing ring can also be used as a limiting component, and the structure is simple.

[0032] 7. Using inner and outer flanges, the inner shaft and outer cylinder can be bolted to the first cantilever and connecting block respectively, which simplifies the connection method;

[0033] 8. The first cantilever is connected to the second cantilever via a damping pivot. The first medical function box is mounted on the second cantilever, allowing for a wider range of adjustment of the planar position of the first medical function box, not limited to adjustment on an arc path.

[0034] 9. The versatility of airflow interfaces meets different medical needs; IV stands facilitate the hanging of fluids; trays and drawers facilitate the temporary storage and preservation of medical supplies;

[0035] 10. The connecting block is connected to the third cantilever via a damping pivot, which facilitates the addition of a second medical function box on the third cantilever, increasing various medical airflow and power interfaces, and making it convenient to perform medical operations on both sides of the patient.

[0036] The medical pendant with adjustable rotational damping involved in this utility model, after the toughness damping sleeve wears out, the axially moving adjustment component causes the pushing component to axially compress the damping sleeve, and the radial expansion of the damping sleeve increases the frictional force on the inner shaft and outer cylinder, thereby increasing the rotational damping and enabling the cantilever to continue to be suspended as needed; the structure is simple, the use is convenient, and it has great promotional value. Attached Figure Description

[0037] Figure 1 : A schematic diagram of an embodiment of this rotary damping adjustable medical pendant;

[0038] Figure 2 : A schematic diagram of an embodiment of a damping shaft;

[0039] Figure 3 Schematic diagram of another embodiment of the damping shaft;

[0040] Figure 4 : A schematic diagram showing a damping shaft using a spring as a pressing element;

[0041] Figure 5 :for Figure 4 A schematic diagram of the damping shaft after compressing the damping sleeve;

[0042] Figure 6 A top view of one embodiment of the inner shaft;

[0043] Figure 7 A top view schematic diagram of one embodiment of the outer cylinder;

[0044] Figure 8 : A schematic diagram of a damping shaft equipped with tapered rollers;

[0045] Figure 9 : Another embodiment of this adjustable rotational damping medical pendant is illustrated;

[0046] Wherein: 1—Main shaft; 11—Connecting block; 2—Damping shaft; 21—Outer cylinder; 211—First pressure ring; 212—Outer flange; 22—Inner shaft; 221—Second pressure ring; 222—Inner flange; 23—Damping sleeve; 25—Screwing component; 26—Pushing component; 27—Annular pad; 271—Guide cylinder; 28—Conical roller; 3—First cantilever; 4—First medical function box; 41—Airflow interface; 42—Power interface; 43—Infusion stand; 44—Pattern; 45—Drawer; 5—Second cantilever; 6—Third cantilever; 7—Second medical function box; 8—Information screen; 9—Monitor. Detailed Implementation

[0047] The embodiments of this utility model are described in detail below, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary. The drawings are not drawn to scale and are intended to explain this utility model, and should not be construed as limiting this utility model.

[0048] In the description of this utility model, it should be understood that the terms "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0049] 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 technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more 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.

[0050] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0051] A conventional rotating shaft includes an inner shaft 22, a rubber sleeve fitted outside the inner shaft 22, and an outer cylinder 21 fitted outside the rubber sleeve. After the rubber sleeve wears out, the frictional force between the inner shaft 22 and the outer cylinder 21 decreases, resulting in the inner shaft 22 and the outer cylinder 21 not being able to be relatively fixed. The cantilever of the existing medical pendant tower adopts this connection method, with the cantilever equivalent to the outer cylinder 21 and the main shaft 1 serving as the inner shaft 22, which has the above-mentioned disadvantages.

[0052] This utility model relates to a medical pendant with adjustable rotational damping. Its first cantilever 3 is rotatably connected to the main shaft 1 via a damping shaft 2. A damping sleeve 23 is fitted between the inner shaft 22 and the outer cylinder 21, and one end is axially limited by a limiting member. When the damping sleeve 23 is worn out, the axially moving adjusting member causes the pushing member 26 to axially compress the damping sleeve 23. The radial expansion of the damping sleeve 23 increases the frictional force on the inner shaft 22 and the outer cylinder 21, so that the first cantilever 3 can continue to be stopped in the required position. This solves the problem that conventional medical pendants cannot be suspended as needed after the rubber sleeve is worn out. The overall structure is simple, the adjustment is convenient, and it has great promotional value.

[0053] This utility model provides a damping shaft 2, such as Figure 2-8As shown, it includes an outer cylinder 21, a resilient damping sleeve 23 fitted inside the outer cylinder 21, an inner shaft 22 fitted inside the damping sleeve 23, a limiting member for axially limiting one end of the damping sleeve 23, and an adjusting member. The adjusting member is axially adjustable along the inner shaft 22 and is mounted on the inner shaft 22 or the outer cylinder 21. The adjusting member is provided with a pushing member 26 that abuts against and compresses the other end of the damping sleeve 23. The opposite ends of the inner shaft 22 and the outer cylinder 21 are used to fix the first component and the second component that need to be rotated relative to each other. The damping sleeve 23 can be made of wear-resistant rubber.

[0054] In a specific scheme, such as Figure 2 As shown, the adjusting component includes a screwing component 25 threadedly connected to the outer cylinder 21. One end of the screwing component 25 protruding from the end face of the outer cylinder 21 is provided with the aforementioned pushing component 26. The pushing component 26 is sleeved outside the inner shaft 22 and inside the outer cylinder 21. The outer cylinder 21 is provided with a corresponding external thread.

[0055] In another preferred embodiment, such as Figure 3 As shown, one end of the inner shaft 22 extends out of the end face of the outer cylinder 21. The adjusting component includes a screwing component 25 threadedly connected to the portion of the inner shaft 22 extending out of the outer cylinder 21. The screwing component 25 has a pushing component 26 on the side near the damping sleeve 23. The pushing component 26 is sleeved outside the inner shaft 22 and inside the outer cylinder 21, with one end abutting against the end face of the damping sleeve 23. The screwing component 25 is preferably a nut. After the damping sleeve 23 wears out, the screwing component 25 is rotated to move axially towards the damping sleeve 23 along the inner shaft 22, causing the pushing component 26 to axially press against and compress the damping sleeve 23. The radial expansion of the damping sleeve 23 increases the frictional force on the inner shaft 22 and the outer cylinder 21, and increases the rotational resistance of the outer cylinder 21 relative to the inner shaft 22, thus achieving circumferential fixation of the inner shaft 22 and the outer cylinder 21 when there is no external force.

[0056] In a preferred embodiment, such as Figure 4-5 As shown, the aforementioned pushing member 26 includes a spring sleeved outside the inner shaft 22, with both ends of the spring abutting against the screwing member 25 and the damping sleeve 23, respectively. By using a spring as the pushing member 26, when the damping sleeve 23 is under low pressure, the torque generated on the screwing member 25 during the rotation of the cantilever can be absorbed, thus preventing the screwing member 25 from rotating during the rotation of the cantilever.

[0057] Based on the pusher 26 including a spring, such as Figure 4-5 As shown, an annular pad 27 is slidably fitted onto the inner shaft 22 between the spring and the damping sleeve 23. Optionally, a guide cylinder 271 fitted onto the inner shaft 22 is fixed to the side of the annular pad 27 near the spring. The annular pad 27 increases the pressure surface of the spring on the damping sleeve 23, increases the contact area, and avoids accelerated wear on the contact end face of the damping sleeve 23; the guide cylinder 271 prevents the annular pad 27 from tilting, ensuring that the thrust of the spring on the damping sleeve 23 is always along the axial direction of the inner shaft 22.

[0058] In one embodiment, such as Figure 4As shown, the limiting member is an annular structure that abuts against the end face of the damping sleeve 23 and is fixed on the outer periphery of the inner shaft 22 or the inner wall of the outer cylinder 21. The limiting member is located at the end of the damping sleeve 23 away from the pushing member 26.

[0059] In some embodiments, such as Figure 4-7 As shown, a first pressure-bearing ring 211 is fixed inside the outer cylinder 21, and the inner wall of the first pressure-bearing ring 211 abuts against the damping sleeve 23. A second pressure-bearing ring 221 is fixed at the bottom end of the inner shaft 22, and its axial top surface abuts against the first pressure-bearing ring 211. That is, the outer diameter of the second pressure-bearing ring 221 is larger than the inner diameter of the first pressure-bearing ring 211, which plays a suspension role. The second pressure-bearing ring 221 serves as the limiting member.

[0060] Based on the fact that a first pressure-bearing ring 211 is fixed inside the outer cylinder 21, such as Figure 8 As shown, the top surface of the second bearing ring 221 is provided with protruding conical rollers 28 at axial intervals; the bottom surface of the first bearing ring 211 is provided with an annular groove for coupling the conical rollers 28. The conical rollers 28 support the first bearing ring 211, which can reduce the frictional resistance between the two bearing rings. The rotational damping of the inner shaft 22 and the outer cylinder 21 is provided by the damping sleeve 23, so as to avoid the frictional force of the two bearing rings being too large, making it inconvenient to rotate or generating noise.

[0061] In a specific embodiment, such as Figure 3 As shown, inner flange 222 and outer flange 212 are fixed at opposite ends of inner shaft 22 and outer cylinder 21, respectively, for bolting connection of the first and second components that need to be rotated. The connection method is simple and reliable.

[0062] The medical pendant tower with adjustable rotational damping designed in this utility model uses the damping shaft 2 provided in this utility model, such as... Figure 1 As shown, the device includes a main shaft 1, a first cantilever 3, and a damping shaft 2. The main shaft 1 is vertically oriented, with a connecting block 11 at its bottom end and the damping shaft 2 mounted on the connecting block 11. One end of the first cantilever 3 is rotatably connected to the connecting block 11 via the damping shaft 2 about its vertical axis, while the other end is equipped with a first medical functional box 4 containing an airflow interface 41 and a power interface 42. The main shaft 1, the connecting block 11, and the first cantilever 3 are all hollow structures.

[0063] In one connection method of the damping shaft 2, such as Figure 1 As shown, the connecting block 11 and the first cantilever 3 are bolted to the inner flange 222 and the outer flange 212 respectively, serving as the first and second components, or the connecting block 11 is bolted to the outer flange 212 and the first cantilever 3 is bolted to the inner flange 222. To enhance the connection strength, a reinforcing plate is provided at the connection between the first cantilever 3 and the inner flange 222 or the outer flange 212.

[0064] In a preferred embodiment of this medical pendant, such as Figure 9As shown, the end of the first cantilever 3 away from the connecting block 11 is connected to the second cantilever 5 via the damping shaft 2. The second cantilever 5 is equipped with the aforementioned first medical function box 4. By setting the second cantilever 5, the first medical function box 4 can be moved in the plane, expanding the range of movement, and is not limited to swinging around the main axis 1 in an arc path.

[0065] The airflow interface 41 on the first medical functional box 4 includes at least one of an oxygen interface, a negative pressure interface, a carbon dioxide interface, a nitrogen interface, and an air interface, and its power interface 42 includes at least one of a high-voltage interface and a low-voltage interface.

[0066] Preferably, the side wall of the first medical functional box 4 is also provided with an infusion stand 43, a tray 44 and a drawer 45 located below the tray 44. The infusion stand 43 is convenient for hanging liquids; the tray and drawer 45 are convenient for temporary storage and storage of medical supplies.

[0067] In one extended solution of this medical pendant, such as Figure 9 As shown, a hollow third cantilever 6 is connected to the connecting block 11 via a damping shaft 2. One end of the third cantilever 6 is provided with a vertical connecting shaft, and the bottom end of the connecting shaft is provided with a second medical functional box 7 that integrates an airflow interface 41 and a power interface 42.

[0068] Optionally, as shown in the figure, an information screen 8 is provided on the first cantilever 3; a connecting rod extends from the upper side of the third cantilever 6, and a monitor 9 is provided on the connecting rod.

[0069] Optionally, such as Figure 9 As shown, the connecting block 11 is connected to the third cantilever 6 via the damping shaft 2, the inner shaft 22 is connected to the third cantilever 6, and the outer cylinder 21 is connected to the connecting block 11, which facilitates the addition of a second medical function box on the third cantilever 6, and the addition of various medical airflow and power interfaces 42, which facilitates medical operations on both sides of the patient.

[0070] Preferably, the damping shaft 2 is fitted with an outer shell, which is formed by the combination of a first shell and a second shell. The first shell and the second shell are detachably connected. Preferably, the first shell and the second shell are magnetically connected.

[0071] In practical applications, the top of the main shaft 1 is fixed to the top wall, and the bottom is fixed with a side-extending connecting block 11. The connecting block 11 is connected to a hollow first cantilever 3 and a third cantilever 6 via a damping shaft 2. The distal end of the first cantilever 3 is connected to a hollow second cantilever 5 via the damping shaft 2. The distal end of the second cantilever 5 is equipped with a first medical function box 4. The distal end of the third cantilever 6 is equipped with a second medical function box 7. The first cantilever 3 is equipped with an information screen 8. The third cantilever 6 has a connecting rod extending to its side, and a monitor 9 is equipped on the connecting rod. The information screen 8 can be used as a bedside card to observe patient information, and the monitor 9 is convenient for observing the patient's vital signs.

[0072] When it is necessary to adjust the rotational resistance of the medical pendant, rotate the screw 25 to move the screw 25 axially along the inner shaft 22, axially compress the damping sleeve 23, and increase the frictional force of the damping sleeve 23 on the inner shaft 22 and the outer cylinder 21 by radial expansion, so as to realize the cantilever can be suspended as needed.

[0073] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A medical pendant with adjustable rotational damping, characterized in that: include, Main shaft (1), the main shaft (1) is arranged vertically, and a connecting block (11) is provided at the bottom end of the main shaft (1), and a damping rotating shaft (2) is provided on the connecting block (11); The first cantilever (3) has one end connected to the connecting block (11) via a damping shaft (2) around the vertical axis, and the other end is provided with a first medical functional box (4) with an airflow interface (41) and a power interface (42). The damping shaft (2) includes an outer cylinder (21), a tough damping sleeve (23) that abuts and is sleeved inside the outer cylinder (21), an inner shaft (22) that abuts and is sleeved inside the damping sleeve (23), a limiting member that axially limits one end of the damping sleeve (23), and an adjusting member. The adjusting member is axially adjustable along the inner shaft (22) and is provided on the inner shaft (22) or the outer cylinder (21). The adjusting member is provided with a pushing member (26) that abuts and compresses the other end of the damping sleeve (23).

2. The medical pendant with adjustable rotational damping as described in claim 1, characterized in that: One end of the inner shaft (22) extends out of the end face of the outer cylinder (21); the adjusting component includes a screwing component (25) threadedly connected to the portion of the inner shaft (22) extending out of the outer cylinder (21).

3. A medical pendant with adjustable rotational damping as described in claim 2, characterized in that: The pushing member (26) includes a spring sleeved outside the inner shaft (22), with the two ends of the spring abutting against the screwing member (25) and the damping sleeve (23) respectively.

4. A medical pendant with adjustable rotational damping as described in claim 3, characterized in that: An annular pad (27) is provided between the spring and the damping sleeve (23) and is slidably sleeved outside the inner shaft (22).

5. A medical pendant with adjustable rotational damping as described in claim 4, characterized in that: The limiting member is an annular structure that abuts against the end face of the damping sleeve (23) and is fixed on the outer circumference of the inner shaft (22) or the inner wall of the outer cylinder (21).

6. A medical pendant with adjustable rotational damping as described in any one of claims 1-5, characterized in that: The outer cylinder (21) is fixedly provided with a first pressure ring (211), the inner wall of the first pressure ring (211) abuts against the damping sleeve (23), and the bottom end of the inner shaft (22) is fixedly provided with a second pressure ring (221) that abuts against the first pressure ring (211) on its axial top surface. The second pressure ring (221) serves as the limiting member.

7. A medical pendant with adjustable rotational damping as described in claim 6, characterized in that: The inner shaft (22) and the outer cylinder (21) are respectively fixed with an inner flange (222) and an outer flange (212) at opposite ends for bolting to connect the first and second components that need to be rotated.

8. A medical pendant with adjustable rotational damping as described in claim 1, characterized in that: The first cantilever (3) is connected to the second cantilever (5) at the end away from the connecting block (11) via a damping shaft (2), and the first medical functional box (4) is provided on the second cantilever (5).

9. A medical pendant with adjustable rotational damping as described in claim 1, characterized in that: The airflow interface (41) includes at least one of oxygen interface, negative pressure interface, carbon dioxide interface, nitrogen interface and air interface; the first medical functional box (4) is provided with an infusion stand (43), a tray (44) and a drawer (45) located below the tray (44) on the side wall.

10. A medical pendant with adjustable rotational damping as described in claim 1, characterized in that: The connecting block (11) is connected to a third cantilever (6) via a damping shaft (2). One end of the third cantilever (6) is provided with a vertical connecting shaft, and the bottom end of the connecting shaft is provided with a second medical functional box (7) integrating an airflow interface (41) and a power interface (42).

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