Rotary joint with high sealing performance

Abstract

The utility model discloses a rotary joint with high sealing performance, which relates to the technical field of rotary joints and comprises a rotary joint main body and a sealing component, a liquid inlet is arranged on the outer wall of the top of the rotary joint main body, and the sealing component for sealing is arranged inside the rotary joint main body. A first adaptive sealing ring is connected to the outer wall of the side face of the first sealing ring blocking piece, a second adaptive sealing ring is fixedly connected to the interior of the rotating joint body, and a mounting block is arranged on the outer wall of the rotating joint body. According to the rotating joint with the high sealing performance, the outer wall of the outer pipe is tightly attached to the inner wall of the rotating joint body, a first adaptive sealing ring is attached to a first sealing ring blocking piece in an adaptive mode, and a second adaptive sealing ring is attached to a sealing groove in an adaptive mode, so that the connecting position of the rotating joint body and the outer pipe is subjected to two-layer sealing, and the possibility of liquid leakage is reduced; and the outer pipe and the rotating joint main body are stably connected again through the mounting bolts and the mounting blocks, and mounting, dismounting and maintenance are convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of rotary joints, in particular to a rotary joint with high sealing performance. 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] After being used for a period of time, the existing rotary joints become unreliable in sealing structure due to wear and tear, which easily leads to leakage. Currently common rotary joints are usually single-channel, that is, they have only one hollow shaft and can only be connected to one rotary liquid supply device, and the integration is not high.

[0004] Therefore, in view of this, the existing structure and defects are studied and improved, and a rotary joint with high sealing performance is proposed. Utility Model Content

[0005] The purpose of the utility model is to provide a rotary joint with high sealing performance 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 highly sealing rotary joint, comprising a rotary joint body and a sealing assembly, wherein a liquid inlet is provided on the top outer wall of the rotary joint body, and an outer tube is arranged inside the liquid inlet, the sealing assembly for sealing is arranged inside the rotary joint body, and the sealing assembly comprises a first sealing ring baffle, a first adapter sealing ring, a second adapter sealing ring, a sealing groove, a mounting block and mounting bolts, the side outer wall of the first sealing ring baffle is connected with a first adapter sealing ring, the interior of the rotary joint body is fixedly connected with a second adapter sealing ring, and the outer wall of the second adapter sealing ring is connected with a sealing groove, the outer wall of the rotary joint body is provided with a mounting block, and the interior of the mounting block is connected with mounting bolts.

[0007] Furthermore, the outer tube is snap-connected to the outer wall of the end of the rotary joint body, and two outer tubes are provided.

[0008] Furthermore, the first sealing ring baffle is fixedly connected to the interior of the rotary joint body, and the left outer wall of the first adapter sealing ring is connected to the outer tube.

[0009] Furthermore, the sealing groove is opened on the outer wall of the outer tube, and the outer wall of the outer tube is provided with mounting bolts.

[0010] Furthermore, a bearing is provided on the inner wall of the outer tube, and the inner wall of the bearing is connected to the inner tube.

[0011] Furthermore, the outer wall of the inner tube is provided with a stable rotation component for stable rotation, and the stable rotation component includes a second sealing ring baffle, a balancing groove and a stabilizing ring block, the end of the inner tube is connected with the second sealing ring baffle, and the central outer wall of the inner tube is provided with a balancing groove, and the outer wall of the balancing groove is provided with a stabilizing ring block.

[0012] Furthermore, the stabilizing ring block is opened on the inner wall of the outer tube, and the balancing groove is arranged on the side of the bearing.

[0013] Furthermore, a flange is provided on the outer wall of the end of the inner tube, and the flange is arranged outside the rotary joint body.

[0014] The utility model provides a high-sealing rotary joint, which has the following beneficial effects:

[0015] 1. The high-sealing rotary joint has an outer wall of the outer tube tightly attached to the inner wall of the rotary joint body, a first adapter seal ring and a first seal ring baffle are fitted and matched, and a second adapter seal ring and a sealing groove are fitted and matched, so that the connection between the rotary joint body and the outer tube is sealed with two layers, reducing the possibility of leakage. The outer tube and the rotary joint body are stably connected again by the mounting bolts and the mounting blocks, and are also easy to install and disassemble for maintenance.

[0016] 2. In the highly sealed rotary joint, the second sealing ring baffle at the end of the inner tube is in close contact with the outer wall of the first sealing ring baffle, thereby increasing the sealing performance. Meanwhile, when the inner tube rotates, the stabilizing ring block rotates inside the balancing groove, thereby making the inner tube rotate smoothly and receiving uniform force without reducing the sealing performance between the inner tube and the outer tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall cross-sectional structure of a rotary joint with high sealing performance of the utility model;

[0018] Figure 2 This is a schematic diagram of the overall structure of a rotary joint with high sealing performance according to the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of a first sealing ring baffle of a rotary joint with high sealing performance of the utility model;

[0020] Figure 4 This is a schematic diagram of the cross-sectional structure of the outer tube of a rotary joint with high sealing performance of the utility model;

[0021] Figure 5 The utility model is a schematic diagram of the cross-sectional structure of the inner tube of a rotary joint with high sealing performance.

[0022] In the figure: 1. rotary joint body; 2. liquid inlet; 3. outer tube; 4. sealing assembly; 401. first sealing ring baffle; 402. first adapter sealing ring; 403. second adapter sealing ring; 404. sealing groove; 405. mounting block; 406. mounting bolt; 5. bearing; 6. inner tube; 7. stabilizing rotation assembly; 701. second sealing ring baffle; 702. balancing groove; 703. stabilizing ring block; 8. flange. DETAILED DESCRIPTION

[0023] 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.

[0024] like Figure 1-Figure 5 As shown, a high-sealing rotary joint includes a rotary joint body 1 and a sealing component 4. The top outer wall of the rotary joint body 1 is provided with a liquid inlet 2, and the inner part of the liquid inlet 2 is provided with an outer tube 3. The sealing component 4 for sealing is arranged inside the rotary joint body 1, and the sealing component 4 includes a first sealing ring baffle 401, a first adapter sealing ring 402, a second adapter sealing ring 403, a sealing groove 404, a mounting block 405 and a mounting bolt 406. The side outer wall of the first sealing ring baffle 401 is connected with the first adapter sealing ring 402. The inner part of the rotary joint body 1 A second adapter seal ring 403 is fixedly connected, and a seal groove 404 is connected to the outer wall of the second adapter seal ring 403. A mounting block 405 is provided on the outer wall of the rotary joint body 1, and a mounting bolt 406 is connected inside the mounting block 405. The outer tube 3 is snap-connected to the outer wall of the end of the rotary joint body 1, and the outer tube 3 is provided with two. The first seal ring baffle 401 is fixedly connected to the inside of the rotary joint body 1, and the left outer wall of the first adapter seal ring 402 is connected to the outer tube 3. The seal groove 404 is opened on the outer wall of the outer tube 3, and the outer wall of the outer tube 3 is provided with a mounting bolt 406;

[0025] The specific operation is as follows: when in use, the liquid medium enters the interior of the rotary joint body 1 through the liquid inlet 2, and is output from the left and right ends of the rotary joint body 1. The outer tube 3 and the rotary joint body 1 are connected by snapping, and the outer wall of the outer tube 3 is close to the inner wall of the rotary joint body 1. The first adapter seal ring 402 and the first seal ring baffle 401 are matched and fitted, and the second adapter seal ring 403 and the sealing groove 404 are matched and fitted, so that the connection between the rotary joint body 1 and the outer tube 3 is sealed by two layers, reducing the possibility of leakage. The outer tube 3 and the rotary joint body 1 are stably connected again by the mounting bolts 406 and the mounting block 405, and it is also convenient for installation and disassembly maintenance;

[0026] like Figure 1-Figure 5As shown, the inner wall of the outer tube 3 is provided with a bearing 5, and the inner wall of the bearing 5 is connected to the inner tube 6, the outer wall of the inner tube 6 is provided with a stable rotation component 7 for stable rotation, and the stable rotation component 7 includes a second sealing ring baffle 701, a balancing groove 702 and a stabilizing ring block 703, the end of the inner tube 6 is connected with the second sealing ring baffle 701, and the central outer wall of the inner tube 6 is provided with a balancing groove 702, and the outer wall of the balancing groove 702 is provided with a stabilizing ring block 703, the stabilizing ring block 703 is opened on the inner wall of the outer tube 3, the balancing groove 702 is arranged on the side of the bearing 5, and the outer wall of the end of the inner tube 6 is provided with a flange 8, and the flange 8 is arranged outside the rotary joint body 1;

[0027] The specific operation is as follows: the inner tube 6 rotates inside the outer tube 3 through the bearing 5, and the second sealing ring baffle 701 at the end of the inner tube 6 is close to the outer wall of the first sealing ring baffle 401 to increase the sealing performance. At the same time, when the inner tube 6 rotates, the stabilizing ring block 703 rotates inside the balancing groove 702, so that the inner tube 6 rotates smoothly and the force is evenly applied without reducing the sealing performance between the inner tube 6 and the outer tube 3. The inner tube 6 is connected to the rotating equipment through the flange 8, and the liquid medium is transported into the rotating equipment through the rotary joint body 1 and the inner tube 6. The rotary joint body 1 is provided with two left and right channels, which can be connected to two rotating liquid supply devices, and has a high degree of integration.

[0028] In summary, if Figure 1-Figure 5 As shown, the rotary joint with high sealing performance is used. First, when it is used, the liquid medium enters the interior of the rotary joint body 1 through the liquid inlet 2 and is discharged from the left and right ends of the rotary joint body 1. The outer tube 3 and the rotary joint body 1 are connected by snapping, and the outer wall of the outer tube 3 is tightly attached to the inner wall of the rotary joint body 1. The first adapter seal ring 402 and the first seal ring baffle 401 are matched and fitted, and the second adapter seal ring 403 and the sealing groove 404 are matched and fitted, so that the connection between the rotary joint body 1 and the outer tube 3 is sealed by two layers. The outer tube 3 and the rotary joint body 1 are connected by the mounting bolts 406. The inner tube 6 is stably connected to the mounting block 405 again, and the inner tube 6 rotates inside the outer tube 3 through the bearing 5. The second sealing ring baffle 701 at the end of the inner tube 6 is close to the outer wall of the first sealing ring baffle 401. At the same time, when the inner tube 6 rotates, the stabilizing ring block 703 rotates inside the balancing groove 702, so that the inner tube 6 rotates smoothly. The inner tube 6 is connected to the rotating equipment through the flange 8, and the liquid medium is transported into the rotating equipment through the rotary joint body 1 and the inner tube 6. The rotary joint body 1 is provided with two left and right channels, which can connect two rotating liquid supply devices and has a high degree of integration.

[0029] 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 rotary joint with high sealing performance, comprising a rotary joint body (1) and a sealing assembly (4), characterized in that: The top outer wall of the rotary joint body (1) is provided with a liquid inlet (2), and an outer tube (3) is arranged inside the liquid inlet (2); the sealing assembly (4) for sealing is arranged inside the rotary joint body (1), and the sealing assembly (4) comprises a first sealing ring baffle (401), a first adapting sealing ring (402), a second adapting sealing ring (403), a sealing groove (404), a mounting block (405) and a mounting bolt (406); the side outer wall of the first sealing ring baffle (401) is connected to the first adapting sealing ring (402); the interior of the rotary joint body (1) is fixedly connected to the second adapting sealing ring (403), and the outer wall of the second adapting sealing ring (403) is connected to the sealing groove (404); the outer wall of the rotary joint body (1) is provided with a mounting block (405), and the interior of the mounting block (405) is connected to the mounting bolt (406).

2. A rotary joint with high sealing performance according to claim 1, characterized in that: The outer tube (3) is snap-connected to the outer wall of the end of the rotary joint body (1), and two outer tubes (3) are provided.

3. A rotary joint with high sealing performance according to claim 1, characterized in that: The first sealing ring baffle (401) is fixedly connected to the inside of the rotary joint body (1), and the left outer wall of the first adapter sealing ring (402) is connected to the outer tube (3).

4. A rotary joint with high sealing performance according to claim 1, characterized in that: The sealing groove (404) is opened on the outer wall of the outer tube (3), and the outer wall of the outer tube (3) is provided with mounting bolts (406).

5. A rotary joint with high sealing performance according to claim 1, characterized in that: The inner wall of the outer tube (3) is provided with a bearing (5), and the inner wall of the bearing (5) is connected to the inner tube (6).

6. A rotary joint with high sealing performance according to claim 5, characterized in that: The outer wall of the inner tube (6) is provided with a stable rotation assembly (7) for stable rotation, and the stable rotation assembly (7) comprises a second sealing ring baffle (701), a balancing groove (702) and a stabilizing ring block (703); the end of the inner tube (6) is connected with the second sealing ring baffle (701), and the central outer wall of the inner tube (6) is provided with a balancing groove (702), and the outer wall of the balancing groove (702) is provided with a stabilizing ring block (703).

7. A rotary joint with high sealing performance according to claim 6, characterized in that: The stabilizing ring block (703) is opened on the inner wall of the outer tube (3), and the balancing groove (702) is arranged on the side of the bearing (5).

8. A rotary joint with high sealing performance according to claim 5, characterized in that: The outer wall of the end of the inner tube (6) is provided with a flange (8), and the flange (8) is arranged outside the rotary joint body (1).

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