Multi-pipeline rotating joint stable in connection

Abstract

The utility model discloses a multi-pipeline rotary joint stable in connection, and relates to the technical field of rotary joints, the multi-pipeline rotary joint stable in connection comprises an outer sleeve, a rotary inner pipe and a stable connecting assembly, the rotary inner pipe is rotatably installed on the inner side of the outer sleeve, and two outer rotating bearings are installed between the inner side wall of the outer sleeve and the outer side wall of the rotary inner pipe; a stable connecting assembly is installed on the inner side of the joint between the outer sleeve and the rotary inner pipe and comprises a fixed inner ring, an assembling pipe and a movable sealing ring. According to the multi-pipeline rotating joint stable in connection, two outer rotating bearings are matched with an inner rotating bearing, so that stable rotation between the outer sleeve and the rotating inner pipe is facilitated, and a connecting structure that bearings are arranged at the front end, the rear end, the inner side and the outer side simultaneously enables rotating pipelines to rotate stably and not prone to deformation; the fixed inner ring on the rear side of the outer sleeve and the assembling pipe on the rear side of the rotating inner pipe can form an embedded structure, so that the fixed inner ring and the assembling pipe are stably connected, and meanwhile a multi-layer water blocking structure is formed.

Description

Technical Field

[0001] The utility model relates to the technical field of rotary joints, in particular to a multi-pipe rotary joint with stable connection. Background Art

[0002] A rotary joint is a closed rotary connector for rotating conveying media. Its main function is to input liquid from one side of the pipeline into a rotating or reciprocating device and then discharge it from it. Its application areas cover almost all processing and manufacturing industries, such as metallurgy, machine tools, power generation, petroleum, rubber, plastics, textiles, printing and dyeing, pharmaceuticals, cigarettes, papermaking, food, feed processing, etc.

[0003] Existing multi-pipe rotary joints usually use a bearing connection method between the inner and outer pipes, which may cause insufficient stability during the rotary connection process, thereby affecting the connection sealing.

[0004] Therefore, in view of this, the existing structure and defects are studied and improved, and a multi-pipe rotary joint with stable connection is proposed. Utility Model Content

[0005] The purpose of the utility model is to provide a multi-pipeline rotary joint with stable connection to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a multi-pipe rotary joint with stable connection, comprising an outer sleeve, a rotating inner tube and a stable connection assembly, wherein a rotating inner tube is rotatably installed on the inner side of the outer sleeve, and two outer rotating bearings are installed between the inner wall of the outer sleeve and the outer wall of the rotating inner tube, a stable connection assembly is installed on the inner side of the connection between the outer sleeve and the rotating inner tube, and the stable connection assembly comprises a fixed inner ring, an assembly pipe and a dynamic sealing ring, a fixed inner ring is fixed to the rear inner ring of the outer sleeve, and the cross-section of the outer sleeve presents an "L"-shaped structure, an assembly pipe is fixed to the rear inner side of the rotating inner tube, and a dynamic sealing ring is arranged between the assembly pipe and the fixed inner ring.

[0007] Furthermore, both upper and lower sides of the front end of the rotating inner tube are connected to flow diversion joints, and both left and right sides of the front end of the rotating inner tube are connected to external tubes.

[0008] Furthermore, a spacer is fixed on the inner side of the front end of the outer sleeve, and the spacer is a ring-shaped structure.

[0009] Furthermore, an inner rotating bearing is installed between the outer side wall of the fixed inner ring and the inner side wall of the rear end of the rotating inner tube, and the inner rotating bearing and the outer rotating bearing are both correspondingly provided with bearing seals.

[0010] Furthermore, the cross-section of the assembly pipe is an "L"-shaped structure, and a filter screen is installed on the inner side of the assembly pipe.

[0011] Furthermore, a connecting pipe is fixedly connected to the rear end of the outer sleeve, and the outer sleeve and the connecting pipe are an integrated structure.

[0012] The utility model provides a multi-pipeline rotary joint with stable connection, which has the following beneficial effects:

[0013] The utility model is provided with an outer rotating bearing, an inner rotating bearing and a stable connection assembly, and a rotating pipeline is formed by an outer sleeve and a rotating inner tube. The arrangement of the two outer rotating bearings and the inner rotating bearing facilitates the stable rotation between the outer sleeve and the rotating inner tube. The connection structure of the bearings is arranged at the front and rear ends and the inner and outer sides at the same time, so that the rotating pipeline rotates smoothly and is not easy to deform. The fixed inner ring at the rear side of the outer sleeve can form a chimeric structure with the assembly pipe at the rear side of the rotating inner tube, so as to facilitate the stable connection of the two, and at the same time form a multi-layer water-blocking structure.

[0014] The utility model is provided with a shunt joint, an external pipe and a connecting pipe. The connecting pipe is convenient for connecting the outer sleeve with other pipes. The shunt joint and the external pipe on one side of the rotating inner pipe are convenient for forming multiple pipelines, so as to be connected with multiple pipelines at the same time. The dynamic sealing ring can improve the sealing performance of the connection between the outer sleeve and the rotating inner pipe. At the same time, the inner rotating bearing and the outer rotating bearing are correspondingly provided with bearing seals to enhance the connection sealing performance of the rotating pipeline. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a half-section structural schematic diagram of a multi-pipeline rotary joint with stable connection according to the utility model;

[0016] Figure 2 This is a front structural schematic diagram of a multi-pipeline rotary joint with stable connection according to the utility model;

[0017] Figure 3 It is a rear structural schematic diagram of a multi-pipe rotary joint with stable connection according to the utility model.

[0018] In the figure: 1, outer sleeve; 2, rotating inner tube; 3, diverter joint; 4, external pipe; 5, spacer; 6, external rotating bearing; 7, internal rotating bearing; 8, stable connection component; 801, fixed inner ring; 802, assembly pipe; 803, dynamic sealing ring; 9, connecting pipe; 10, filter screen. DETAILED DESCRIPTION

[0019] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0020] like Figure 1As shown, a multi-pipe rotary joint with stable connection includes an outer sleeve 1, a rotary inner tube 2 and a stable connection assembly 8, the inner side of the outer sleeve 1 is rotatably mounted with the rotary inner tube 2, and two outer rotary bearings 6 are mounted between the inner side wall of the outer sleeve 1 and the outer side wall of the rotary inner tube 2, an inner rotary bearing 7 is mounted between the outer side wall of the fixed inner ring 801 and the inner side wall of the rear end of the rotary inner tube 2, and the inner rotary bearing 7 and the outer rotary bearing 6 are both correspondingly provided with bearing seals;

[0021] The specific operation is as follows: a rotating pipeline is formed by an outer sleeve 1 and a rotating inner tube 2. The two outer rotating bearings 6 cooperate with the inner rotating bearing 7 to facilitate the stable rotation between the outer sleeve 1 and the rotating inner tube 2. The connection structure of the bearings is arranged at the front and rear ends and the inner and outer sides at the same time, so that the rotating pipeline rotates smoothly and is not easily deformed. At the same time, the inner rotating bearing 7 and the outer rotating bearing 6 are correspondingly provided with bearing seals to enhance the connection sealing of the rotating pipeline.

[0022] like Figure 1 As shown, a stable connection assembly 8 is installed inside the connection between the outer sleeve 1 and the rotating inner tube 2, and the stable connection assembly 8 includes a fixed inner ring 801, an assembly pipe 802 and a dynamic sealing ring 803. The fixed inner ring 801 is fixed to the rear inner ring of the outer sleeve 1, and the cross section of the outer sleeve 1 is an "L"-shaped structure. An assembly pipe 802 is fixed to the rear inner side of the rotating inner tube 2, and a dynamic sealing ring 803 is arranged between the assembly pipe 802 and the fixed inner ring 801. The cross section of the assembly pipe 802 is an "L"-shaped structure, and a filter screen 10 is installed inside the assembly pipe 802.

[0023] The specific operation is as follows: the fixed inner ring 801 on the rear side of the outer sleeve 1 can form a mosaic structure with the assembly tube 802 on the rear side of the rotating inner tube 2 to facilitate the stable connection between the two and form a multi-layer water-blocking structure. At the same time, the dynamic sealing ring 803 can improve the sealing performance of the connection between the outer sleeve 1 and the rotating inner tube 2, and the setting of the filter net 10 can play a filtering role.

[0024] like Figure 1-Figure 3 As shown, a spacer sleeve 5 is fixed to the inner side of the front end of the outer sleeve 1, and the spacer sleeve 5 is a ring-shaped structure, the upper and lower sides of the front end of the rotating inner tube 2 are connected to the flow dividing joint 3, and the left and right sides of the front end of the rotating inner tube 2 are connected to the external pipe 4; the rear end of the outer sleeve 1 is fixedly connected to the outside with a connecting pipe 9, and the outer sleeve 1 and the connecting pipe 9 are an integrated structure;

[0025] The specific operation is as follows: the connecting pipe 9 facilitates the connection of the outer sleeve 1 with other pipelines, and the arrangement of the flow divider joint 3 and the external pipe 4 on one side of the rotating inner pipe 2 facilitates the formation of multiple pipelines, so as to be connected to multiple pipelines at the same time.

[0026] In summary, if Figure 1-Figure 3As shown, the multi-pipe rotary joint with stable connection, when in use, firstly, the outer sleeve 1 and the rotating inner tube 2 can form a rotating pipeline, at this time, the fixed inner ring 801 on the rear side of the outer sleeve 1 can form a chimeric structure with the assembly pipe 802 on the rear side of the rotating inner tube 2, so as to facilitate the stable connection of the two, and at the same time form a multi-layer water-blocking structure, then the connecting pipe 9 facilitates the connection of the outer sleeve 1 with other pipelines, and the arrangement of the flow dividing joint 3 and the external pipe 4 on one side of the rotating inner tube 2 can form a multi-pipeline, so as to facilitate the connection with multiple pipelines at the same time;

[0027] During use, the two outer rotating bearings 6 cooperate with the inner rotating bearing 7 to facilitate the stable rotation between the outer sleeve 1 and the rotating inner tube 2. The connection structure of the bearings at the front and rear ends and the inner and outer sides makes the rotating pipeline rotate smoothly and not easily deformed. At the same time, the inner rotating bearing 7 and the outer rotating bearing 6 are correspondingly provided with bearing seals to enhance the connection sealing of the rotating pipeline, and the dynamic sealing ring 803 can further improve the sealing of the connection between the outer sleeve 1 and the rotating inner tube 2, thus completing the use process of the multi-pipeline rotary joint with stable connection.

[0028] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A multi-pipeline rotary joint with stable connection, comprising an outer sleeve (1), a rotary inner tube (2) and a stable connection assembly (8), characterized in that: A rotating inner tube (2) is rotatably mounted on the inner side of the outer sleeve (1), and two outer rotating bearings (6) are mounted between the inner side wall of the outer sleeve (1) and the outer side wall of the rotating inner tube (2). A stable connection assembly (8) is mounted on the inner side of the connection between the outer sleeve (1) and the rotating inner tube (2), and the stable connection assembly (8) comprises a fixed inner ring (801), an assembly pipe (802) and a dynamic sealing ring (803). The inner ring on the rear side of the outer sleeve (1) is fixed with the fixed inner ring (801), and the cross section of the outer sleeve (1) is in an "L"-shaped structure. The inner side of the rotating inner tube (2) is fixed with an assembly pipe (802), and a dynamic sealing ring (803) is arranged between the assembly pipe (802) and the fixed inner ring (801).

2. A multi-pipeline rotary joint with stable connection according to claim 1, characterized in that: The upper and lower sides of the front end of the rotating inner tube (2) are both connected to flow diversion joints (3), and the left and right sides of the front end of the rotating inner tube (2) are both connected to external tubes (4).

3. A multi-pipeline rotary joint with stable connection according to claim 1, characterized in that: A spacer sleeve (5) is fixed on the inner side of the front end of the outer sleeve (1), and the spacer sleeve (5) is in a ring-shaped structure.

4. A multi-pipeline rotary joint with stable connection according to claim 1, characterized in that: An inner rotating bearing (7) is installed between the outer side wall of the fixed inner ring (801) and the inner side wall of the rear end of the rotating inner tube (2), and the inner rotating bearing (7) and the outer rotating bearing (6) are both provided with bearing seals accordingly.

5. A multi-pipeline rotary joint with stable connection according to claim 1, characterized in that: The cross section of the assembly pipe (802) is in an "L"-shaped structure, and a filter screen (10) is installed on the inner side of the assembly pipe (802).

6. A multi-pipeline rotary joint with stable connection according to claim 1, characterized in that: The rear end of the outer sleeve (1) is fixedly connected to a connecting pipe (9), and the outer sleeve (1) and the connecting pipe (9) are an integrated structure.

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