An operating side swivel joint assembly

Abstract

The application relates to the technical field of rotary joints, and discloses an operating-side rotary joint assembly, which comprises an L-shaped elbow pipe, the top end and the bottom end of the L-shaped elbow pipe are provided with connecting cavities, and the inner end edges of the two connecting cavities are in arc shapes. The operating-side rotary joint assembly is characterized in that the sealing ball is in close contact with the arc-shaped inner walls of the connecting cavities, and the sealing sleeve is designed to be slidably sleeved, so that the sealing performance of the connecting pipe is obviously improved; meanwhile, the polishing treatment of the sealing ball and the inner walls of the connecting cavities further reduces the frictional resistance, the connecting pipe is smoother during rotation, and leakage is less likely to occur, the purity of the transmission medium is ensured, and the stable operation of the system is ensured; the piston upper surface is fixedly connected with a cylindrical filter screen; the filter screen is made of stainless steel and has good corrosion resistance and high-temperature resistance; impurities in the flowing medium can be effectively filtered out, the impurities are prevented from being transmitted to external equipment along the fluid, and the normal operation of the equipment is not adversely affected.

Description

Technical Field

[0001] This application relates to the field of rotary joint technology, specifically to an operating-side rotary joint assembly. Background Technology

[0002] A rotary joint is a sealed rotary connector that rotates 360° to transport media.

[0003] An existing patent (publication number: CN220623125U) discloses a rotary joint, belonging to the field of mechanical technology. This rotary joint includes a hollow rotating shaft and a cylindrical support seat sleeved on the rotating shaft. The inner walls of the left and right ends of the support seat are sealed to the rotating shaft through sealing ring one and sealing ring two, respectively. An annular cavity is formed between the middle of the support seat and the rotating shaft. A water inlet hole communicating with the annular cavity is provided on the side wall of the support seat. A drain hole communicating with the annular cavity is provided on the side wall of the rotating shaft. An annular step is formed on the inner wall of the left end of the support seat. The annular step is composed of an annular side surface and an annular bottom surface. A ring-shaped limiting seat is coaxially formed on the outer wall of the left end of the rotating shaft. The limiting seat is located in the annular step. A limiting ring is sleeved and fixed on the left end of the support seat. An annular pressing edge is formed on the inner wall of the limiting ring. The two ends of the limiting seat press against the annular pressing edge and the annular bottom surface, respectively.

[0004] The aforementioned rotary joint only requires a positioning and limiting ring to be fitted onto the left end of the support base, and the limiting ring, in conjunction with the annular step, can axially limit the rotating shaft. This not only reduces the number of parts but also significantly reduces the dimensional accuracy requirements of the parts. It has the advantages of simple structure and low processing difficulty. However, during use, the rotary joint lacks a filtration mechanism for impurities in the medium, and impurities may be transmitted to external equipment along with the fluid, adversely affecting its normal operation. Utility Model Content

[0005] To address the shortcomings of existing technologies, this application provides an operating-side rotary joint assembly that has advantages such as simple installation and self-filtration, thus solving the problems mentioned in the background art.

[0006] To achieve the above objectives, this application provides the following technical solution: an operating side rotary joint assembly, including an L-shaped bend, wherein a connecting cavity is provided at both the top and bottom ends of the L-shaped bend, and the inner edges of the two connecting cavities are both arc-shaped. A connecting pipe is provided inside each end of the two L-shaped bends, and a sealing ball is fixedly connected to one end of each connecting pipe near the L-shaped bend. The two sealing balls are in contact with the arc-shaped inner wall of the connecting cavity that is close to them.

[0007] Both L-shaped bends have slidably fitted with sealing sleeves on their outer surfaces. Each connecting pipe is slidably inserted into the sealing sleeve closest to it. Each sealing sleeve is slidably inserted into one end of the L-shaped bend. The end of each sealing sleeve closest to the sealing ball is rounded. One end of each sealing sleeve is in contact with the sealing ball closest to it.

[0008] Through the above-mentioned scheme, the tight contact between the sealing ball and the arc-shaped inner wall of the connecting cavity, as well as the sliding sleeve design of the sealing sleeve, significantly improves the sealing performance of the connecting pipe. At the same time, the polished sealing ball and the inner wall of the connecting cavity further reduce frictional resistance, making the connecting pipe rotate more smoothly and less prone to leakage, thus ensuring the purity of the transmission medium and the stable operation of the system. A cylindrical filter screen is fixedly connected to the upper surface of the piston. This filter screen is made of stainless steel, which has good corrosion resistance and high temperature resistance, and can effectively filter out impurities in the flowing medium, preventing them from being transmitted to external equipment with the fluid and causing adverse effects on the normal operation of the equipment.

[0009] Furthermore, an installation pipe is fixedly connected to the bend of the L-shaped bend, and a sealing cap is slidably inserted into the interior of the installation pipe.

[0010] The above solution, through the setting of the sealing cap, can achieve the purpose of closing the installation tube.

[0011] Furthermore, a connecting rod is fixedly connected to the top of the sealing cover, and a piston is fixedly connected to the top of the connecting rod. The piston is slidably inserted into the mounting tube.

[0012] The above solution, through the setting of the piston, can improve the sealing performance of the installation pipe and prevent the flowing medium inside the L-shaped bend from being discharged from the installation pipe.

[0013] Furthermore, a cylindrical filter screen is fixedly connected to the upper surface of the piston, and the cylindrical filter screen is slidably inserted into the L-shaped bend.

[0014] The above solution, through the setting of a cylindrical filter screen, can achieve the purpose of filtering the flowing medium.

[0015] Furthermore, mounting plates are fixedly connected to the outer surfaces of both ends of the L-shaped bend, and multiple circumferentially arranged bolts are inserted into the interior of each sealing sleeve. Each bolt is inserted into the mounting plate adjacent to it, and a nut is fixedly connected to the other end of each bolt.

[0016] The above method, using nuts and bolts, can achieve the purpose of fixing the connecting pipe.

[0017] Furthermore, the outer surface of each sealing ball and the inner wall of the connecting cavity are both polished.

[0018] The above scheme and settings can reduce the frictional resistance between the sealing ball and the inner wall of the connecting cavity, making the connecting pipe rotate more smoothly. At the same time, the polished surface can also improve the sealing effect and prevent media leakage.

[0019] Furthermore, the cylindrical filter screen is made of stainless steel.

[0020] Through the above methods, stainless steel has good corrosion resistance and high temperature resistance, making it suitable for filtering various flowing media, ensuring the purity of the media and the stable operation of the system.

[0021] Furthermore, the outer surfaces of the L-shaped bend and the connecting pipe are coated with anti-rust paint.

[0022] By implementing the above measures, the application of anti-rust paint can extend the service life of L-shaped bends and connecting pipes, and prevent performance degradation or damage caused by rust.

[0023] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0024] This type of rotary joint assembly on the operating side significantly improves the sealing performance of the connecting pipe through the tight contact between the sealing ball and the arc-shaped inner wall of the connecting cavity, as well as the sliding sleeve design of the sealing sleeve. At the same time, the polished sealing ball and the inner wall of the connecting cavity further reduce frictional resistance, making the connecting pipe rotate more smoothly and less prone to leakage, thus ensuring the purity of the transmitted medium and the stable operation of the system. A cylindrical filter screen is fixedly connected to the upper surface of the piston. This filter screen is made of stainless steel, which has good corrosion resistance and high temperature resistance, and can effectively filter out impurities in the flowing medium, preventing them from being transmitted to external equipment with the fluid and causing adverse effects on the normal operation of the equipment. Attached Figure Description

[0025] Figure 1 This is a front view of the overall structure of this application;

[0026] Figure 2 This is a cross-sectional view of the overall structure of this application;

[0027] Figure 3 This is a sectional view of the L-shaped bend structure of this application;

[0028] Figure 4 This is a structural diagram of the connecting pipe in this application;

[0029] Figure 5 This is a structural diagram of the sealing sleeve in this application.

[0030] In the picture:

[0031] 1. L-shaped bend; 2. Connecting cavity; 3. Connecting pipe; 4. Sealing ball; 5. Sealing sleeve; 6. Mounting pipe; 7. Sealing cap; 8. Connecting rod; 9. Piston; 10. Cylindrical filter screen; 11. Mounting plate; 12. Bolt; 13. Nut. Detailed Implementation

[0032] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0033] Please see Figure 1 , Figure 2 and Figure 3 In this embodiment, an operating side rotary joint assembly includes an L-shaped bend 1. The top and bottom ends of the L-shaped bend 1 are provided with connecting cavities 2. The inner edges of the two connecting cavities 2 are both arc-shaped. The two ends of the L-shaped bend 1 are respectively provided with connecting pipes 3. The ends of the two connecting pipes 3 near the L-shaped bend 1 are fixedly connected with sealing balls 4. The two sealing balls 4 are in contact with the arc-shaped inner walls of the connecting cavities 2 that are close to them.

[0034] Please see Figure 2 , Figure 4 and Figure 5 Both L-shaped bends 1 have sealing sleeves 5 slidably fitted onto their outer surfaces. Each connecting pipe 3 is slidably inserted into its adjacent sealing sleeve 5. Each sealing sleeve 5 is slidably inserted into one end of the L-shaped bend 1. The end of each sealing sleeve 5 near the sealing ball 4 is rounded. One end of each sealing sleeve 5 is in contact with its adjacent sealing ball 4. Through the above arrangement, the sealing performance of the connecting pipe 3 can be improved without interfering with the rotation of the connecting pipe 3. The outer surface of each sealing ball 4 and the inner wall of the connecting cavity 2 are polished. Through the above arrangement, the frictional resistance between the sealing ball 4 and the inner wall of the connecting cavity 2 can be reduced, making the connecting pipe 3 rotate more smoothly. At the same time, the polished surface can also improve the sealing effect and prevent media leakage.

[0035] Please see Figure 1 , Figure 2 and Figure 3 An installation pipe 6 is fixedly connected to the bend of the L-shaped bend 1. A sealing cover 7 is slidably inserted into the inside of the installation pipe 6. The sealing cover 7 can close the installation pipe 6. A connecting rod 8 is fixedly connected to the top of the sealing cover 7. A piston 9 is fixedly connected to the top of the connecting rod 8. The piston 9 is slidably inserted into the installation pipe 6. The piston 9 can improve the sealing performance of the installation pipe 6 and prevent the flowing medium inside the L-shaped bend 1 from being discharged from the installation pipe 6.

[0036] Please see Figure 1 , Figure 2 and Figure 3 A cylindrical filter screen 10 is fixedly connected to the upper surface of the piston 9. The cylindrical filter screen 10 is slidably inserted into the L-shaped bend 1. The cylindrical filter screen 10 can achieve the purpose of filtering the flowing medium. Mounting plates 11 are fixedly connected to the outer surfaces of both ends of the L-shaped bend 1. Multiple circumferentially arranged bolts 12 are inserted into the inside of each sealing sleeve 5. Each bolt 12 is inserted into the mounting plate 11 that is close to it. A nut 13 is fixedly connected to the other end of each bolt 12. The nut 13 and bolt 12 can achieve the purpose of fixing the connecting pipe 3.

[0037] Please see Figure 1 , Figure 2 and Figure 3 The cylindrical filter screen 10 is made of stainless steel. Stainless steel has good corrosion resistance and high temperature resistance, making it suitable for filtering various flowing media, ensuring the purity of the media and the stable operation of the system. The outer surfaces of the L-shaped bend 1 and the connecting pipe 3 are coated with anti-rust paint. The anti-rust paint can extend the service life of the L-shaped bend 1 and the connecting pipe 3 and prevent performance degradation or damage caused by rust.

[0038] In this embodiment, an operating-side rotary joint assembly significantly improves the sealing performance of the connecting pipe 3 through the tight contact between the sealing ball 4 and the arc-shaped inner wall of the connecting cavity 2, and the sliding sleeve design of the sealing sleeve 5. At the same time, the polished sealing ball 4 and the inner wall of the connecting cavity 2 further reduce frictional resistance, making the connecting pipe 3 rotate more smoothly and less prone to leakage, thus ensuring the purity of the transmission medium and the stable operation of the system. A cylindrical filter screen 10 is fixedly connected to the upper surface of the piston 9. This filter screen is made of stainless steel, which has good corrosion resistance and high temperature resistance, and can effectively filter out impurities in the flowing medium, preventing them from being transmitted to external equipment with the fluid and causing adverse effects on the normal operation of the equipment.

[0039] The working principle of the above embodiment is as follows: First, when the fluid medium flows in from one end of the L-shaped bend 1, it first encounters the sealing ball 4. The sealing ball 4 is in close contact with the arc-shaped inner wall of the connecting cavity 2, forming the first sealing barrier. This design not only ensures that the medium will not leak from the connection, but also allows the connecting pipe 3 to rotate smoothly in the L-shaped bend 1, meeting the needs of various rotating equipment. During the fluid transmission process, the cylindrical filter screen 10 on the upper surface of the piston 9 plays the role of filtering impurities. The cylindrical filter screen 10 is made of stainless steel, which has excellent corrosion resistance and high temperature resistance, and can withstand the scouring of the fluid and the corrosion of the medium for a long time. The filter screen can effectively intercept and filter out impurities in the fluid, preventing them from being transmitted to external equipment with the fluid and causing adverse effects on the normal operation of the equipment. In addition, the outer surfaces of the L-shaped bend 1 and the connecting pipe 3 are coated with anti-rust paint, which not only improves the corrosion resistance of the equipment, but also extends the service life of the equipment. The anti-rust paint prevents performance degradation or damage caused by rust, ensuring the long-term stable operation of the rotary joint assembly.

[0040] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0041] Although embodiments of this application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An operating-side rotary joint assembly, comprising an L-shaped bend (1), characterized in that: The top and bottom ends of the L-shaped bend (1) are provided with connecting cavities (2), and the inner edges of the two connecting cavities (2) are both arc-shaped. The two L-shaped bends (1) are respectively provided with connecting pipes (3) inside. The two connecting pipes (3) are fixedly connected to a sealing ball (4) at one end near the L-shaped bend (1). The two sealing balls (4) respectively contact the arc-shaped inner wall of the connecting cavity (2) that is close to them. Both L-shaped bends (1) have sealing sleeves (5) slidably fitted on their outer surfaces. Each connecting pipe (3) is slidably inserted into the sealing sleeve (5) that is close to it. Each sealing sleeve (5) is slidably inserted into one end of the L-shaped bend (1). The end of each sealing sleeve (5) that is close to the sealing ball (4) is rounded. One end of each sealing sleeve (5) is in contact with the sealing ball (4) that is close to it.

2. The operating side rotary joint assembly according to claim 1, characterized in that: The L-shaped bend (1) is fixedly connected to an installation pipe (6), and a sealing cap (7) is slidably inserted into the inside of the installation pipe (6).

3. The operating side rotary joint assembly according to claim 2, characterized in that: The top end of the closed cover (7) is fixedly connected to a connecting rod (8), and the top end of the connecting rod (8) is fixedly connected to a piston (9). The piston (9) is slidably inserted into the mounting tube (6).

4. The operating side rotary joint assembly according to claim 3, characterized in that: A cylindrical filter screen (10) is fixedly connected to the upper surface of the piston (9), and the cylindrical filter screen (10) is slidably inserted into the L-shaped bend (1).

5. The operating side rotary joint assembly according to claim 1, characterized in that: The L-shaped bend (1) has mounting plates (11) fixedly connected to both ends of its outer surface. Each sealing sleeve (5) has multiple circumferentially arranged bolts (12) inserted inside. Each bolt (12) is inserted into the mounting plate (11) adjacent to it. The other end of each bolt (12) is fixedly connected to a nut (13).

6. The operating side rotary joint assembly according to claim 1, characterized in that: The outer surface of each sealing ball (4) and the inner wall of the connecting cavity (2) are polished.

7. The operating side rotary joint assembly according to claim 4, characterized in that: The cylindrical filter screen (10) is made of stainless steel.

8. The operating side rotary joint assembly according to claim 1, characterized in that: The outer surfaces of the L-shaped bend (1) and the connecting pipe (3) are coated with anti-rust paint.

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