Novel self-rotating multi-channel rotating joint

By introducing limiting installation components and sealing components into the rotary joint, the problem of sealing gaps in traditional rotary joints is solved, achieving higher sealing performance and media delivery stability.

CN223609627UActive Publication Date: 2025-11-28无锡合申机械科技有限公司
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Patent Information

Application Number
CN202520187865.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-06
Publication Date
2025-11-28
Estimated Expiration
2035-02-06

AI Technical Summary

Technical Problem

Traditional rotary joints often develop tiny gaps during use, leading to a decrease in sealing performance and affecting the stability of media delivery.

Method used

A novel self-rotating multi-channel rotary joint was designed, employing a limiting installation component and a sealing component. The bolts are prevented from loosening through the cooperation of the limiting ring and the sealing ring is tightened by inflating the air ring to enhance the sealing effect.

Benefits of technology

It improves the sealing effect, ensures the stability of medium transportation and bolt stability, prevents bolt loosening, and ensures the smooth transmission of fluid medium.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223609627U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of multi-channel rotary joints, and discloses a novel self-rotating multi-channel rotary joint which comprises a multi-channel rotary joint shell, a connecting pipe is installed on one side of the multi-channel rotary joint shell, one end of the connecting pipe is connected with a first flange ring, and the other end of the connecting pipe is connected with a second flange ring. A first flange ring is installed on one side of the multi-channel rotary joint shell, a second flange ring is installed on one side of the first flange ring, a first sealing ring is arranged between the first flange ring and the second flange ring, a limiting installation assembly is installed on one side of the first flange ring, and a porous shaft is installed in the multi-channel rotary joint shell. And a sealing assembly is arranged between the multi-channel rotary joint shell and the porous shaft. The sealing effect is improved to a certain degree and the stability of medium conveying is guaranteed through the sealing assembly, inflation of the inflation ring and pressing of the second sealing ring, the stability of the bolt is guaranteed through the limiting installation assembly, looseness is avoided, and the stability of medium conveying is guaranteed to a certain degree.
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Description

TECHNICAL FIELD

[0001] The utility model relates to multi -channel rotary joint technical field, concretely is a novel self -rotating multi -channel rotary joint. BACKGROUND

[0002] Multi -channel rotary joint has wide application in modern industry field, it can realize the stable transmission of multiple different medium between two components of relative rotation.

[0003] In numerous industrial production and mechanical operation scene, such as automated production line, large -scale engineering machinery, printing equipment etc., often need to realize the stable transmission of multiple fluid medium in the component rotation process, the traditional rotary joint has many deficiencies, needs to develop a novel self -rotating multi -channel rotary joint, convenient to use.

[0004] Chinese patent announcement number: CN221323667U discloses a multi -channel rotary joint, including the shell and the end cover and the top cover installed at the both ends of the shell respectively, the center position of top cover is equipped with the second channel, and the inner wall of top cover is embedded with the first sealing sleeve of gap cooperation, the bottom of first sealing sleeve is provided with the second sealing sleeve, the outer side of second sealing sleeve is relatively fixedly connected with the rotating shaft, both ends of shell are provided with the sealing cavity, the rotating sealing ring in contact with the outer wall of rotating shaft is embedded in the sealing cavity, the end of top cover and end cover is fixed with the extrusion part, the extrusion part enters the side wall of rotating sealing ring and abuts, convenient for installing and fixing the rotating sealing ring for sealing, and the sealing effect of sealing ring is improved through the sealing ring, realizes the multi -channel rotary sealing through the way of adopting rotating sealing ring, end face contact sealing and micro -slit sealing combination multi -channel rotary sealing mechanism.

[0005] The above prior art, through the sealing ring improves the sealing effect of sealing ring, realizes the multi -channel rotary sealing through the way of adopting rotating sealing ring, end face contact sealing and micro -slit sealing combination multi -channel rotary sealing mechanism, but the conventional sealing mode will appear small gap in the use process of the existing device, cannot fill these gaps adaptively in use, reduces the sealing effect to a certain extent, and affects the stability of medium conveying. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a novel self -rotating multi -channel rotary joint to solve the problem that the conventional sealing mode will appear small gap in the above background technology, cannot fill these gaps adaptively in use, reduces the sealing effect to a certain extent, and affects the stability of medium conveying.

[0007] In order to solve the above technical problems, the utility model provides technical scheme as follows: A novel self-rotating multi-channel rotary joint, including multi -channel rotary joint casing, one side of multi -channel rotary joint casing is installed with connecting pipe, one end of connecting pipe is connected with first flange ring, one side of first flange ring is installed with second flange ring, be provided with first sealing ring between first flange ring and second flange ring, one side of first flange ring is installed with limit installation component, the inside of multi -channel rotary joint casing is installed with porous shaft, be provided with sealing assembly between multi -channel rotary joint casing and porous shaft;

[0008] The limit installation component includes a bolt, a limit ring is installed on the outside of the bolt, a spring is installed in the inside of the limit ring, a moving block is connected to one end of the spring, a convex ball is arranged on one side of the moving block, a hole groove is formed on the outside of the bolt, and a nut matched with the bolt is installed on one end of the bolt.

[0009] The sealing assembly includes a sealing groove, a second sealing ring is placed in the inside of the sealing groove, an inflation ring is sleeved on the outside of the second sealing ring, a connecting pipe is connected to one end of the inflation ring, a valve is installed on one end of the connecting pipe, an air chamber is installed on one side of the valve, a piston plate is arranged in the inside of the air chamber, a third sealing ring is sleeved on the outside of the piston plate, and a pressing rod is installed on one side of the piston plate.

[0010] Preferably, the second flange ring is connected with a pipeline on the side away from the first flange ring, a through groove is formed in the middle position of the porous shaft, and a turbine is installed in the through groove.

[0011] Preferably, the bolt penetrates through the first flange ring and the second flange ring and extends to the outside thereof, and the limit ring has an annular structure.

[0012] Preferably, the spring is a plurality of groups, the plurality of groups of springs are symmetrically arranged at equal intervals in the limit ring, and the moving block is slidingly arranged in the limit ring.

[0013] Preferably, the convex ball penetrates through the limit ring and extends to the outside thereof, the convex ball is matched with the hole groove, the hole groove is a plurality of groups, and the plurality of groups of hole grooves are symmetrically formed at equal intervals on the outside of the bolt.

[0014] Preferably, the sealing groove has an annular structure and is arranged in the middle position of the multi-channel rotary joint casing and the porous shaft, the second sealing ring has an annular structure, and the inflation ring is connected in communication with the valve through the connecting pipe.

[0015] Preferably, one side of the valve is connected in communication with the air chamber, the piston plate is slidingly arranged in the air chamber, and the pressing rod penetrates through the air chamber and extends to the outside thereof.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] First, the utility model discloses a sealing assembly is set up, the inflation ring is inflated, and the second sealing ring is pressed tightly, which will improve the sealing effect to a certain extent, guarantee the stability of medium delivery, open the valve, move the pressing rod, and the piston plate is moved in the air warehouse by the movement of the pressing rod, and the air in the air warehouse is extruded into the inflation ring through the connecting pipe, so that the inflation ring is expanded and extruded into the sealing groove, and the sealing property is enhanced, and then the valve is closed to guarantee the stability of the air pressure in the inflation ring.

[0018] Second, the utility model discloses a limiting installation assembly is set up, guarantees the stability of bolt, avoids loosening, guarantees the stability of medium delivery to a certain extent, and the limiting ring is installed on the outside of the bolt, and the spring installed in the limiting ring extrudes the moving block, and the convex ball of the moving block is clamped in the hole groove, which plays a certain limiting role on the position of the bolt. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structural schematic view of the utility model;

[0020] Figure 2 It is a sectional view of the utility model;

[0021] Figure 3 It is a structural schematic view of the utility model Figure 2 It is a structure enlarged view of A in the utility model;

[0022] Figure 4 It is a structure enlarged view of B in the utility model Figure 2 .

[0023] In the drawing: 1, multi-channel rotary joint shell;2, connecting pipe;3, first flange ring;4, second flange ring;5, first sealing ring;6, limiting installation assembly;601, bolt;602, limiting ring;603, spring;604, moving block;605, convex ball;606, hole groove;7, sealing assembly;701, sealing groove;702, second sealing ring;703, inflation ring;704, connecting pipe;705, valve;706, air warehouse;707, pressing rod;708, piston plate;709, third sealing ring;8, multi-hole shaft;9, through groove;10, turbine. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0025] Please refer to Figures 1-4The utility model provides a novel self-rotating multi-channel rotary joint, including multi-channel rotary joint casing 1, one side of multi-channel rotary joint casing 1 is installed with connecting pipe 2, one end of connecting pipe 2 is connected with first flange ring 3, one side of first flange ring 3 is installed with second flange ring 4, and first flange ring 3 and second flange ring 4 are provided with first sealing ring 5, one side of first flange ring 3 is installed with limit installation component 6, and the inside of multi-channel rotary joint casing 1 is installed with multi-hole shaft 8, and sealing assembly 7 is arranged between multi-channel rotary joint casing 1 and multi-hole shaft 8;Limit installation component 6 includes bolt 601, the outside of bolt 601 is installed with limit ring 602, the inside of limit ring 602 is installed with spring 603, one end of spring 603 is connected with moving block 604, one side of moving block 604 is provided with convex ball 605, the outside of bolt 601 is provided with hole groove 606, and one end of bolt 601 is installed with the nut matched therewith;Sealing assembly 7 includes sealing groove 701, the inside of sealing groove 701 is placed with second sealing ring 702, the outside of second sealing ring 702 is sleeved with inflatable ring 703, one end of inflatable ring 703 is connected with connecting pipe 704, one end of connecting pipe 704 is installed with valve 705, one side of valve 705 is installed with gas chamber 706, the inside of gas chamber 706 is provided with piston plate 708, the outside of piston plate 708 is sleeved with third sealing ring 709, and one side of piston plate 708 is installed with pressure rod 707.

[0026] Through the sealing assembly 7, the inflatable ring 703 is inflated, the second sealing ring 702 is compressed, the sealing effect is improved to a certain extent, the stability of medium conveying is ensured, the valve 705 is opened, the pressure rod 707 is moved, the piston plate 708 is moved in the gas chamber 706, the air in the gas chamber 706 is extruded into the inflatable ring 703 through the connecting pipe 704, the inflatable ring 703 is expanded and extruded to the second sealing ring 702, the sealing property is enhanced, then the valve 705 is closed, the air pressure in the inflatable ring 703 is stable, the stability of medium conveying is ensured to a certain extent, the limit ring 602 is installed on the outside of the bolt 601, the spring 603 installed in the limit ring 602 extrudes the moving block 604, the moving block 604 extrudes the convex ball 605 and is clamped in the hole groove 606, and the position of the bolt 601 is limited to a certain extent.

[0027] Specifically, the pipeline is connected to the side of the second flange ring 4 away from the first flange ring 3, the through slot 9 is arranged at the middle position of the multi-hole shaft 8, and the turbine 10 is installed in the through slot 9.

[0028] Through the technical scheme, the side, away from the first flange ring 3, of the second flange ring 4 is connected with the pipeline, used for realizing butt joint with the external fluid conveying line, ensuring that the fluid can smoothly enter and exit the rotary joint, and the multi-hole shaft 8 is a key internal structural component, and the through groove 9 provided in the middle position of the multi-hole shaft 8 provides installation space for the turbine 10; when the fluid flows in the through groove 9, the turbine 10 installed in the through groove 9 starts to rotate under the impact of the fluid, realizing self-rotation.

[0029] Specifically, the bolt 601 penetrates through the first flange ring 3 and the second flange ring 4 and extends to the outside thereof, and the limiting ring 602 is of a ring structure.

[0030] Through the technical scheme, the bolt 601 and the nut matched with the bolt 601 are used for sustainable installation of the first flange ring 3 and the second flange ring 4, and the limiting ring 602 of the ring structure is used for sleeving the outside of the head of the bolt 601.

[0031] Specifically, the spring 603 is of multiple groups, the multiple groups of springs 603 are symmetrically and equidistantly arranged in the limiting ring 602, and the moving block 604 is slidingly arranged in the limiting ring 602.

[0032] Through the technical scheme, the multiple groups of springs 603 symmetrically and equidistantly arranged in the limiting ring 602 are used for facilitating sliding of the moving block 604 in the limiting ring 602, so as to press the convex ball 605.

[0033] Specifically, the convex ball 605 penetrates through the limiting ring 602 and extends to the outside thereof, the convex ball 605 is matched with the hole groove 606, the hole groove 606 is of multiple groups, and the multiple groups of hole grooves 606 are symmetrically and equidistantly arranged on the outside of the bolt 601.

[0034] Through the technical scheme, the convex ball 605 penetrates through the limiting ring 602 and is clamped in the multiple groups of hole grooves 606 symmetrically and equidistantly arranged, which is helpful for preventing loosening of the bolt 601 and ensuring stability of the connecting structure.

[0035] Specifically, the sealing groove 701 is of a ring structure and is arranged at the middle position of the multi-channel rotary joint shell 1 and the multi-hole shaft 8, the second sealing ring 702 is of a ring structure, and the inflation ring 703 is connected with the valve 705 through the connecting pipe 704.

[0036] Through the technical scheme, the sealing groove 701 is of a ring structure and is carefully arranged at the middle position of the multi-channel rotary joint shell 1 and the multi-hole shaft 8, thereby providing accurate positioning space to ensure the sealing performance of the rotary joint, the second sealing ring 702 is of a ring structure and is installed in the sealing groove 701, thereby effectively preventing leakage of fluid medium from the gap between the multi-channel rotary joint shell 1 and the multi-hole shaft 8, and the inflation ring 703 is inflated to press the second sealing ring 702, thereby ensuring the sealing performance.

[0037] Specifically, one side of the valve 705 is communicated with the air chamber 706, the piston plate 708 is slidably arranged in the air chamber 706, and the pressing rod 707 penetrates the air chamber 706 and extends to the outside of the air chamber 706.

[0038] Through the technical scheme, the mobile pressing rod 707 is used to drive the piston plate 708 to move in the air chamber 706, air in the air chamber 706 is extruded into the inflatable ring 703 through the connecting pipe 704, the inflatable ring 703 is expanded to extrude the second sealing ring 702, and the sealing performance is enhanced, the valve 705 controls the opening and closing of the connecting pipe 704, and when the valve 705 is opened, air is filled into the inflatable ring 703, and when the valve 705 is closed, the air pressure stability in the inflatable ring 703 is ensured.

[0039] In use, when the sealing effect needs to be improved, the valve 705 is opened, the pressing rod 707 is moved, the pressing rod 707 drives the piston plate 708 to move in the air chamber 706, air in the air chamber 706 is extruded into the inflatable ring 703 through the connecting pipe 704, the inflatable ring 703 is expanded to extrude the second sealing ring 702, and the sealing performance is enhanced, then the valve 705 is closed, and the air pressure stability in the inflatable ring 703 is ensured, when the stability of the pipeline connection needs to be ensured, the limiting ring 602 is installed outside the bolt 601, the spring 603 in the limiting ring 602 extrudes the moving block 604, the moving block 604 extrudes the convex ball 605 to be clamped in the hole groove 606, the position of the bolt 601 is limited to a certain extent, and the stability of the bolt 601 is ensured.

[0040] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application. The scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A new spin on multi-channel rotary union, comprising a multi-channel rotary union housing (1), characterized in that: One side of the multi-channel rotary joint shell (1) is provided with a connecting pipe (2), one end of the connecting pipe (2) is provided with a first flange ring (3), one side of the first flange ring (3) is provided with a second flange ring (4), a first sealing ring (5) is arranged between the first flange ring (3) and the second flange ring (4), one side of the first flange ring (3) is provided with a limiting mounting assembly (6), a multi-hole shaft (8) is arranged in the multi-channel rotary joint shell (1), and a sealing assembly (7) is arranged between the multi-channel rotary joint shell (1) and the multi-hole shaft (8); The limiting mounting assembly (6) comprises a bolt (601), a limiting ring (602) is arranged on the outer side of the bolt (601), a spring (603) is arranged in the limiting ring (602), one end of the spring (603) is connected with a moving block (604), one side of the moving block (604) is provided with a convex ball (605), a hole groove (606) is formed in the outer side of the bolt (601), and a nut matched with the bolt (601) is arranged at one end of the bolt (601); The sealing assembly (7) comprises a sealing groove (701), a second sealing ring (702) is arranged in the sealing groove (701), an inflation ring (703) is arranged on the outer side of the second sealing ring (702), one end of the inflation ring (703) is connected with a connecting pipe (704), a valve (705) is arranged at one end of the connecting pipe (704), a gas chamber (706) is arranged on one side of the valve (705), a piston plate (708) is arranged in the gas chamber (706), a third sealing ring (709) is arranged on the outer side of the piston plate (708), and a pressure rod (707) is arranged on one side of the piston plate (708).

2. A novel self-rotating multi-channel rotary union as claimed in claim 1, wherein: One side of the second flange ring (4) away from the first flange ring (3) is connected with a pipeline, a through groove (9) is formed in the middle position of the multi-hole shaft (8), and a turbine (10) is arranged in the through groove (9).

3. A novel self-rotating multi-channel rotary union as claimed in claim 1, wherein: The bolt (601) penetrates through the first flange ring (3) and the second flange ring (4) and extends to the outer side thereof, and the limiting ring (602) is in the form of a ring.

4. A novel self-rotating multi-channel rotary union as claimed in claim 1, wherein: The spring (603) is in multiple groups, and the multiple groups of the spring (603) are symmetrically arranged at equal intervals in the limiting ring (602), and the moving block (604) is slidably arranged in the limiting ring (602).

5. A novel self-rotating multi-channel rotary union as claimed in claim 1, wherein: The convex ball (605) penetrates through the limiting ring (602) and extends to the outer side thereof, the convex ball (605) is matched with the hole groove (606), and the hole groove (606) is in multiple groups and symmetrically formed at equal intervals on the outer side of the bolt (601).

6. A novel self-rotating multi-channel rotary union as claimed in claim 1, wherein: The sealing groove (701) is in the form of a ring and is arranged in the middle position of the multi-channel rotary joint shell (1) and the multi-hole shaft (8), the second sealing ring (702) is in the form of a ring, and the inflation ring (703) is communicated with the valve (705) through the connecting pipe (704).

7. A novel self-rotating multi-channel rotary union as claimed in claim 1, wherein: One side of the valve (705) is communicated with the air chamber (706), the piston plate (708) is slidingly arranged in the air chamber (706), and the pressing rod (707) penetrates the air chamber (706) and extends to the outside of the air chamber (706).

Citation Information

Patent Citations

  • Multi-channel rotary joint

    CN221323667U