High-pressure rotary joint
By designing the housing assembly and rotating assembly in the rotary joint, and combining buffering and lubrication functions, the problems of vibration and cumbersome lubrication during the operation of the rotary joint are solved, achieving the effects of reducing vibration damage and simplifying lubrication.
Patent Information
- Application Number
- CN202423008812.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-05
- Publication Date
- 2025-11-11
- Estimated Expiration
- 2034-12-05
AI Technical Summary
Existing rotary joints require periodic disassembly and lubrication of the bearings during operation. The lubrication process is cumbersome and lacks buffering measures, resulting in vibrations that affect performance and lifespan.
A high-pressure rotary joint is designed, comprising a housing assembly, a rotating assembly, and a lubrication assembly. The housing assembly has a shock-absorbing groove and a lubrication assembly, and the rotating assembly has a buffer device. The joint achieves lubrication without disassembly by buffering and shock absorption.
This reduces vibration damage during rotation, extends service life, simplifies the lubrication process, and improves the performance and reliability of the rotary joint.
Smart Images

Figure CN223537169U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of rotary joint technology, and in particular relates to a high-pressure rotary joint. Background Technology
[0002] In modern manufacturing, rotary joints are chosen as the conveying devices for high-pressure gas and fluids when they enter rotating components from relatively static pipelines.
[0003] The existing technology still has the following shortcomings:
[0004] To ensure smooth rotation of the rotary joint, current technology requires periodic lubrication of the bearings. However, lubrication necessitates disassembling the rotary joint to remove the bearings for lubrication, followed by reassembly. This cumbersome process needs improvement. Furthermore, no buffering measures are implemented for the rotary joint during operation, leading to vibrations that may affect its performance and lifespan. Utility Model Content
[0005] This invention provides a high-pressure rotary joint, aiming to solve the problem that existing technologies require regular lubrication of the bearings to ensure smooth rotation of the rotary joint. However, lubrication necessitates disassembling the rotary joint to remove the bearings, followed by reassembly. This cumbersome process needs improvement. Furthermore, no buffering measures are implemented for the rotary joint during operation, leading to vibrations that may affect its performance and lifespan.
[0006] This utility model is implemented as follows: a high-pressure rotary joint includes: a housing assembly, a rotating component disposed inside the housing assembly, and a common lubrication component disposed on the housing assembly and the rotating component; the housing assembly includes a first housing disposed on the outside, a shock-absorbing groove formed on one side of the first housing, and a second housing disposed within the shock-absorbing groove; a plurality of fixed tubes are detachably and fixedly connected to the inner periphery of the shock-absorbing groove, a sliding groove is formed on the side of the plurality of fixed tubes near the second housing, a movable block is slidably connected inside the plurality of sliding grooves, and a rubber block is fixedly connected to the side of the plurality of movable blocks near the second housing; a first connecting port is formed on one side of the first housing, and a second connecting port is formed on the side of the second housing near the first connecting port, and the first connecting port and the second connecting port are interconnected.
[0007] Preferably, the housing assembly further includes a guide plate fixedly connected to one side of the movable blocks near the interior of the sliding grooves; guide grooves are respectively opened on both sides of the sliding grooves, and the two sides of the guide plate are slidably connected to the guide grooves at corresponding positions; dampers are installed between the inner walls of the guide plates and the sliding grooves, and buffer springs are sleeved on the dampers.
[0008] Preferably, a rotating groove is provided on one side of the second housing, the rotating assembly is located inside the rotating groove, the rotating assembly includes a rotating fixing member, a sleeve groove is provided on one side of the rotating fixing member, a rotating conveying member is provided inside the sleeve groove, and the rotating fixing member, the rotating conveying member, the first connecting port and the second connecting port are interconnected.
[0009] Preferably, the rotating assembly further includes a connector mounted on one side of the rotating conveyor.
[0010] Preferably, the rotating assembly further includes a plurality of rubber pads installed inside the socket groove, the plurality of rubber pads connecting the rotating fixing member and the rotating conveying member.
[0011] Preferably, oil seal rings are respectively fitted on both sides of the outer wall of the rotating fixing member, and two bearings are fitted on the rotating fixing member, with the two bearings respectively located between the two oil seal rings.
[0012] Preferably, the lubrication assembly includes an oil inlet pipe disposed at the top center of the first housing, the oil inlet pipe passing through the damping groove and communicating with a stretchable tube, the extended end of the stretchable tube passing through the second housing and communicating with the rotating groove.
[0013] Preferably, the lubrication assembly further includes inclined guide plates that are fixedly connected to the middle of the extension end of the stretchable tube.
[0014] Compared with the prior art, the embodiments of this application have the following main advantages:
[0015] By incorporating a housing assembly and a rotating assembly, vibration forces can be buffered and damped when rotation is generated, thereby reducing damage caused by vibration and extending service life. The lubrication assembly facilitates lubrication of the bearings without the need for disassembly. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the structure of this utility model;
[0017] Figure 2 This is a front view cross-sectional structural diagram of the present invention;
[0018] Figure 3 This is a utility model Figure 2 Enlarged structural diagram at point A in the middle;
[0019] Figure 4 This is a utility model Figure 2 Enlarged structural diagram at point B;
[0020] Figure 5 This is a utility model Figure 4 Enlarged structural diagram at point C;
[0021] In the diagram: 1. Outer shell assembly; 2. Rotating assembly; 3. Lubrication assembly; 4. First outer shell; 5. Shock-absorbing groove; 6. Second outer shell; 7. First connecting port; 8. Second connecting port; 9. Fixed pipe; 10. Slide groove; 11. Movable block; 12. Damper; 13. Buffer spring; 14. Rubber block; 15. Guide groove; 16. Guide plate; 17. Rotating fixing component; 18. Rotating conveying component; 19. Connector; 20. Sleeve groove; 21. Oil seal ring; 22. Bearing; 23. Oil inlet pipe; 24. Stretchable pipe; 25. Inclined guide plate; 26. Rotating groove; 27. Rubber pad. Detailed Implementation
[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein in the specification of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having," and any variations thereof, in the specification, claims, and foregoing drawings of this application are intended to cover non-exclusive inclusion. The terms "first," "second," etc., in the specification, claims, or foregoing drawings of this application are used to distinguish different objects, not to describe a particular order.
[0023] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.
[0024] This utility model embodiment provides a high-pressure rotary joint, such as Figure 1-5As shown, it includes: a housing assembly 1, a rotating assembly 2 disposed inside the housing assembly 1, and the same lubrication assembly 3 disposed on the housing assembly 1 and the rotating assembly 2; the housing assembly 1 includes a first housing 4 disposed on the outside, a shock-absorbing groove 5 opened on one side of the first housing 4, and a second housing 6 disposed in the shock-absorbing groove 5; several fixed tubes 9 are detachably and fixedly connected to the inside of the shock-absorbing groove 5, and a sliding groove 10 is opened on the side of the several fixed tubes 9 near the second housing 6, and a movable block 11 is slidably connected inside the several sliding grooves 10, and a rubber block 14 is fixedly connected to the side of the several movable blocks 11 near the second housing 6; a first connecting port 7 is opened on one side of the first housing 4, and a second connecting port 8 is opened on the side of the second housing 6 near the first connecting port 7, and the first connecting port 7 and the second connecting port 8 are interconnected.
[0025] It should be noted that, due to the existing technology, the bearings need to be lubricated regularly to ensure the smooth rotation of the rotating joint. However, lubricating the bearings requires disassembling the rotating joint to remove them for lubrication, and then reassembling the rotating joint after lubrication. This lubrication process is cumbersome and needs improvement. Furthermore, no buffering measures are taken for the rotating joint during operation, which can cause vibrations that may affect its performance and service life. This solution, by setting up the housing assembly 1 and the rotating assembly 2, facilitates the buffering and damping of vibrations generated during rotation, thereby reducing vibration-induced damage and extending service life. By setting up the lubrication assembly 3, the bearing 22 can be lubricated without disassembly.
[0026] In a further preferred embodiment of this utility model, such as Figure 1-5 As shown, the outer casing assembly 1 also includes a guide plate 16 fixedly connected to one side of several movable blocks 11 near the inside of several sliding grooves 10; guide grooves 15 are respectively opened on both sides of several sliding grooves 10, and the two sides of several guide plates 16 are slidably connected to several guide grooves 15 at corresponding positions; dampers 12 are installed between several guide plates 16 and the inner walls of several sliding grooves 10, and buffer springs 13 are sleeved on several dampers 12.
[0027] In this embodiment, vibration reduction is facilitated.
[0028] In a further preferred embodiment of this utility model, such as Figure 1-2 As shown, a rotating groove 26 is provided on one side of the second outer shell 6, and the rotating component 2 is located inside the rotating groove 26. The rotating component 2 includes a rotating fixing member 17. A sleeve groove 20 is provided on one side of the rotating fixing member 17, and a rotating conveying member 18 is provided inside the sleeve groove 20. The rotating fixing member 17, the rotating conveying member 18, the first connecting port 7 and the second connecting port 8 are interconnected.
[0029] In this embodiment, it is convenient to transport.
[0030] In a further preferred embodiment of this utility model, such as Figure 2-5 As shown, the rotating assembly 2 also includes a connector 19 mounted on one side of the rotating conveyor 18.
[0031] In this embodiment, ...
[0032] In a further preferred embodiment of this utility model, such as Figure 1-2 As shown, the rotating assembly 2 also includes several rubber pads 27 installed inside the socket groove 20, and the several rubber pads 27 connect the rotating fixing member 17 and the rotating conveying member 18.
[0033] In this embodiment, buffering is facilitated.
[0034] In a further preferred embodiment of this utility model, such as Figure 1-2 As shown, oil seal rings 21 are respectively fitted on both sides of the outer wall of the rotating fixing member 17. The inner rings of the two oil seal rings 21 abut against the outer wall of the rotating fixing member 17, and the outer walls of the two oil seal rings 21 abut against the inner wall of the rotating groove 26. Two bearings 22 are fitted on the rotating fixing member 17. The inner walls of the two bearings 22 abut against the outer wall of the rotating fixing member 17, and the outer walls of the two bearings 22 abut against the inner wall of the rotating groove 26. The two bearings 22 are respectively located between the two oil seal rings 21.
[0035] In this embodiment, it is convenient to connect the rotating component 2 to an external rotating component to drive its rotation.
[0036] In a further preferred embodiment of this utility model, such as Figure 1-3 As shown, the lubrication assembly 3 includes an oil inlet pipe 23 located in the middle of the top of the first housing 4. The oil inlet pipe 23 passes through the damping groove 5 and is connected to a stretchable pipe 24. The extended end of the stretchable pipe 24 passes through the second housing 6 and is connected to the rotating groove 26.
[0037] In this embodiment, it is convenient to add lubricating oil.
[0038] In a further preferred embodiment of this utility model, such as Figure 1-3 As shown, the lubrication assembly 3 also includes an inclined guide plate 25 that is fixedly connected to the middle of the extension end of the stretchable tube 24.
[0039] In this embodiment, preferably, the two inclined guide plates 25 are inclined toward the two bearings 22 respectively, which facilitates the guidance of lubricating oil.
[0040] All electrical components mentioned in this article are electrically connected to the controller and power supply. The control method of this utility model is controlled by the controller. The control circuit of the controller can be implemented by simple programming by those skilled in the art. The power supply is also common knowledge in the art. Furthermore, this utility model is mainly used to protect mechanical devices, so the control method and circuit connection will not be explained in detail.
[0041] It should be noted that, for the sake of simplicity, the foregoing embodiments are all described as a series of actions. However, those skilled in the art should understand that the present invention is not limited to the described order of actions, as some steps may be performed in other orders or simultaneously according to the present invention. Furthermore, those skilled in the art should also understand that the embodiments described in the specification are preferred embodiments, and the actions and modules involved are not necessarily essential to the present invention.
[0042] It should be understood that the disclosed apparatus can be implemented in other ways, given the several embodiments provided in this application. For example, the apparatus embodiments described above are merely illustrative. For instance, the division of units described above may be implemented in other ways in practice. For example, multiple units or components may be combined or integrated into another system, or some features may be ignored or not executed. Furthermore, the coupling or communication connections shown or discussed may be through some interfaces; indirect coupling or communication connections between devices or units may be telecommunications or other forms.
[0043] The units described above as separate components may or may not be physically separate. The components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the units can be selected to achieve the purpose of this embodiment according to actual needs.
[0044] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit the scope of protection of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on these embodiments, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model. Although this utility model has been described in detail with reference to the above embodiments, those skilled in the art can still combine, add, delete, or otherwise adjust the features of the various embodiments of this utility model according to the circumstances without conflict or creative effort, thereby obtaining different technical solutions that do not fundamentally depart from the concept of this utility model. These technical solutions are also within the scope of protection of this utility model.
Claims
1. A high-pressure rotary joint, characterized in that, include: A housing assembly (1) is provided inside the housing assembly (1), and the same lubrication assembly (3) is provided on the housing assembly (1) and the rotating assembly (2); The outer shell assembly (1) includes a first outer shell (4) disposed on the outside, a shock-absorbing groove (5) is provided on one side of the first outer shell (4), and a second outer shell (6) is disposed in the shock-absorbing groove (5); The shock-absorbing groove (5) is detachably and fixedly connected to several fixed tubes (9) on its four sides. A sliding groove (10) is provided on the side of the fixed tubes (9) near the second outer shell (6). A movable block (11) is slidably connected inside the sliding groove (10). A rubber block (14) is fixedly connected on the side of the movable block (11) near the second outer shell (6). A first connecting port (7) is provided on one side of the first outer shell (4). A second connecting port (8) is provided on the side of the second outer shell (6) near the first connecting port (7). The first connecting port (7) and the second connecting port (8) are connected to each other.
2. A high-pressure rotary joint as described in claim 1, characterized in that, The outer casing assembly (1) also includes a guide plate (16) that is fixedly connected to one side of the movable blocks (11) near the inside of the slides (10); The two sides of the plurality of sliding grooves (10) are respectively provided with guide grooves (15), and the two sides of the plurality of guide plates (16) are respectively slidably connected to the guide grooves (15) at the corresponding positions; A damper (12) is installed between the inner walls of several guide plates (16) and several slides (10), and a buffer spring (13) is sleeved on each of the dampers (12).
3. A high-pressure rotary joint as described in claim 2, characterized in that, The second outer shell (6) has a rotating groove (26) on one side. The rotating component (2) is located inside the rotating groove (26). The rotating component (2) includes a rotating fixing member (17). The rotating fixing member (17) has a socket groove (20) on one side. A rotating conveying member (18) is provided inside the socket groove (20). The rotating fixing member (17), the rotating conveying member (18), the first connecting port (7) and the second connecting port (8) are interconnected.
4. A high-pressure rotary joint as described in claim 3, characterized in that, The rotating assembly (2) also includes a connector (19) installed on one side of the rotating conveyor (18).
5. A high-pressure rotary joint as described in claim 4, characterized in that, The rotating assembly (2) also includes a plurality of rubber pads (27) installed inside the socket groove (20), and the plurality of rubber pads (27) connect the rotating fixing member (17) and the rotating conveying member (18).
6. A high-pressure rotary joint as described in claim 5, characterized in that, Oil seal rings (21) are respectively fitted on both sides of the outer wall of the rotating fixing member (17), and two bearings (22) are fitted on the rotating fixing member (17), with the two bearings (22) respectively located between the two oil seal rings (21).
7. A high-pressure rotary joint as described in claim 3, characterized in that, The lubrication assembly (3) includes an oil inlet pipe (23) disposed in the middle of the top of the first housing (4). The oil inlet pipe (23) passes through the inside of the shock-absorbing groove (5) and is connected to a stretchable tube (24). The extended end of the stretchable tube (24) passes through the second housing (6) and is connected to the rotating groove (26).
8. A high-pressure rotary joint as described in claim 7, characterized in that, The lubrication assembly (3) also includes an inclined guide plate (25) that is fixedly connected to the middle of the extension end of the stretchable tube (24).