Rotary joint convenient to disassemble and assemble

Abstract

The utility model discloses a rotary joint convenient to disassemble and assemble, which relates to the technical field of hydraulic rotary joints, comprises a joint outer shell and a disassembly and assembly component, and is characterized in that a bottom connecting port is formed in the lower surface of the joint outer shell, and side connecting ports are formed in two sides of the outer surface of the joint outer shell; the disassembly and assembly assembly is arranged on the surface of the connector outer shell and comprises an annular fixing groove, a fixing ring, an upper connecting flange, a stable connector, a threaded mounting ring, a threaded mounting groove, a lower connecting flange, a fixing hole and a fixing bolt, and the annular fixing groove is formed in the upper surface of the connector outer shell. And the inner side of the annular fixing groove is connected with a fixing ring in a clamping manner. According to the rotary joint convenient to disassemble and assemble, the rotary joint can be quickly disassembled and assembled through the disassembling and assembling assembly, so that a filtering structure can be conveniently cleaned, meanwhile, the interior can be conveniently maintained, liquid can be more sufficiently filtered through the device through the filtering assembly, and blockage caused by impurities is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic rotary joints, and particularly relates to a rotary joint that is convenient to disassemble and assemble. Background Art

[0002] A hydraulic rotary joint is a device used to connect two relatively rotating pipelines to transport fluid media such as compressed air, cooling water, hydraulic oil, and heat-conducting oil. It is mainly applied to occasions that require continuous rotation while also needing fluid supply, such as rotary tables, rotating machinery, etc. However, the current hydraulic rotary joints still have the following deficiencies:

[0003] For example, the patent document with the application number 202323097916.7 discloses a hydraulic rotary joint. This hydraulic rotary joint increases the rigidity of the hydraulic rotary joint and reduces the dimensional changes caused by large hydraulic pressures. Even when the hose is under a pressure exceeding 4 MPa, it can ensure the reliable rotation, telescoping, and swinging movements of the hose. However, it cannot achieve the quick disassembly and assembly of the hydraulic rotary joint, which is not convenient for regular internal maintenance, resulting in its easy damage.

[0004] Therefore, in view of this, in response to the existing structural deficiencies, research and improvement are carried out, and a rotary joint that is convenient to disassemble and assemble is proposed. Content of the Utility Model

[0005] The purpose of the utility model is to provide a rotary joint that is convenient to disassemble and assemble, so as to solve the problems raised in the above background art.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A rotary joint that is convenient to disassemble and assemble, including a joint housing and a disassembly and assembly component. The lower surface of the joint housing is provided with a bottom connection port, and both sides of the outer surface of the joint housing are provided with side connection ports. The disassembly and assembly component is arranged on the surface of the joint housing, and the disassembly and assembly component includes an annular fixing groove, a fixing ring, an upper connection flange, a stable connection head, a threaded installation ring, a threaded installation groove, a lower connection flange, fixing holes, and fixing bolts. The annular fixing groove is opened on the upper surface of the joint housing, and a fixing ring is snap-fitted inside the annular fixing groove. The upper surface of the fixing ring is provided with an upper connection flange, and a stable connection head is rotatably connected to the inner surface of the upper connection flange.

[0007] Further, the lower surface of the upper connection flange is installed with a threaded installation ring, and the upper surface of the threaded installation ring is tightly connected to the lower surface of the upper connection flange.

[0008] Further, the inner side of the upper surface of the joint housing is provided with a threaded installation groove, and the inner side of the threaded installation groove is threadedly connected to the surface of the threaded installation ring.

[0009] Furthermore, a lower connecting flange is installed on the outer side of the upper surface of the joint housing body, and fixing holes are formed on the surfaces of both the lower connecting flange and the upper connecting flange. A fixing bolt is threadedly connected inside the fixing hole.

[0010] Furthermore, both the stable connecting head and the upper connecting flange are made of hard metal structures, and a top connecting port is formed on the upper surface of the stable connecting head.

[0011] Furthermore, an inner connecting pipe is installed on the lower surface of the threaded mounting ring, and the outer surface of the inner connecting pipe is slidably connected to the inner side of the joint housing body.

[0012] Furthermore, the joint housing body and the lower connecting flange are of an integrated structure, and a filtering assembly for filtering impurities is arranged inside the joint housing body.

[0013] Furthermore, the filtering assembly includes an outer filter screen, a microporous filter membrane, an inner filter screen, and a hard filter screen. The outer filter screen is arranged on the inner surface of the joint housing body. The microporous filter membrane is connected to the inner surface of the outer filter screen, the inner filter screen is arranged on the inner surface of the microporous filter membrane, and the hard filter screen is installed on the inner surface of the inner filter screen.

[0014] The utility model provides a rotary joint that is convenient for disassembly and assembly, and has the following beneficial effects:

[0015] 1. By providing a disassembly and assembly component, which includes an annular fixing groove, a fixing ring, an upper connecting flange, a stable connecting head, a threaded mounting ring, a threaded mounting groove, a lower connecting flange, a fixing hole, and a fixing bolt, when in use, through the threaded connection between the threaded mounting ring and the inner side of the threaded mounting groove, the upper connecting flange is quickly fixed on the surface of the joint housing body, and then the stable connecting head is installed on the joint housing body. At the same time, the fixing ring is engaged with the inner side of the annular fixing groove to reinforce and seal the installation of the upper connecting flange and the joint housing body. When installing, the fixing holes on the surfaces of the upper connecting flange and the lower connecting flange are docked, and the upper connecting flange and the lower connecting flange are fixedly connected through the threaded connection between the fixing bolt and the fixing hole, so that the device can realize the quick disassembly and assembly of the rotary joint, facilitating the cleaning of the filtering structure and the maintenance of the interior.

[0016] 2. By providing a filtering assembly, which includes an outer filter screen, a microporous filter membrane, an inner filter screen, and a hard filter screen, when in use, no matter which direction or outlet the water flow is, the outer filter screen and the inner filter screen will initially filter the flowing liquid, intercepting and filtering the larger impurities therein. The microporous filter membrane can further filter the smaller impurities in the liquid, and the hard filter screen can improve the overall hardness and support of the filtering assembly, extending its service life, so that the device can realize more sufficient filtration of the liquid and prevent blockage caused by impurities. Description of the Drawings

[0017] Figure 1 Schematic diagram of the three - dimensional split structure of a rotary joint with convenient disassembly and assembly according to the present utility model;

[0018] Figure 2 Schematic diagram of the three - dimensional structure of a rotary joint with convenient disassembly and assembly according to the present utility model;

[0019] Figure 3 Schematic diagram of the three - dimensional structure of the filter assembly of a rotary joint with convenient disassembly and assembly according to the present utility model.

[0020] In the figure: 1. Joint outer housing; 2. Bottom connection port; 3. Side connection port; 4. Disassembly and assembly component; 401. Ring - shaped fixing groove; 402. Fixing ring; 403. Upper connection flange; 404. Stable connection head; 405. Threaded installation ring; 406. Threaded installation groove; 407. Lower connection flange; 408. Fixing hole; 409. Fixing bolt; 5. Top connection port; 6. Inner connection pipe; 7. Filter assembly; 701. Outer filter screen; 702. Microporous filter membrane; 703. Inner filter screen; 704. Hard filter screen. Specific embodiments

[0021] The following further describes in detail the embodiments of the present utility model in conjunction with the drawings and examples. The following examples are used to illustrate the present utility model, but cannot be used to limit the scope of the present utility model.

[0022] As Figures 1 to 3 shown, a rotary joint with convenient disassembly and assembly includes a joint outer housing 1 and a disassembly and assembly component 4. A bottom connection port 2 is provided on the lower surface of the joint outer housing 1, and side connection ports 3 are provided on both sides of the outer surface of the joint outer housing 1. The disassembly and assembly component 4 is arranged on the surface of the joint outer housing 1, and the disassembly and assembly component 4 includes a ring - shaped fixing groove 401, a fixing ring 402, an upper connection flange 403, a stable connection head 404, a threaded installation ring 405, a threaded installation groove 406, a lower connection flange 407, a fixing hole 408, and a fixing bolt 409. The ring - shaped fixing groove 401 is opened on the upper surface of the joint outer housing 1, and the fixing ring 402 is snap - fitted inside the ring - shaped fixing groove 401. The upper connection flange 403 is provided on the upper surface of the fixing ring 402, and the stable connection head 404 is rotatably connected to the inner surface of the upper connection flange 403.

[0023] The specific operation is as follows. When in use, the upper connecting flange 403 is quickly fixed on the surface of the joint housing 1 through the threaded connection between the threaded mounting ring 405 and the inner thread of the threaded mounting groove 406. Then, the stable connecting head 404 is installed on the joint housing 1. At the same time, the fixing ring 402 is engaged with the inner side of the annular fixing groove 401 to reinforce and seal the installation of the upper connecting flange 403 and the joint housing 1. When installing, the fixing holes 408 on the surfaces of the upper connecting flange 403 and the lower connecting flange 407 are aligned, and the upper connecting flange 403 and the lower connecting flange 407 are fixedly connected through the threaded connection between the fixing bolts 409 and the fixing holes 408. The bottom connection port 2 and the side connection port 3 are connected to the external connecting pipe.

[0024] Please refer to Figure 1 and Figure 3 On the lower surface of the upper connecting flange 403, a threaded mounting ring 405 is installed, and the upper surface of the threaded mounting ring 405 is tightly connected to the lower surface of the upper connecting flange 403. On the inner side of the upper surface of the joint housing 1, a threaded mounting groove 406 is provided, and the inner side of the threaded mounting groove 406 is threadedly connected to the surface of the threaded mounting ring 405. On the outer side of the upper surface of the joint housing 1, a lower connecting flange 407 is installed, and fixing holes 408 are provided on the surfaces of both the lower connecting flange 407 and the upper connecting flange 403. A fixing bolt 409 is threadedly connected to the inner side of the fixing hole 408. Both the stable connecting head 404 and the upper connecting flange 403 are made of hard metal structures, and a top connection port 5 is provided on the upper surface of the stable connecting head 404. On the lower surface of the threaded mounting ring 405, an inner connecting pipe 6 is installed, and the outer surface of the inner connecting pipe 6 is slidably connected to the inner side of the joint housing 1. The joint housing 1 and the lower connecting flange 407 are of an integral structure, and a filtering component 7 for filtering impurities is provided inside the joint housing 1. The filtering component 7 includes an outer filter screen 701, a microporous filter membrane 702, an inner filter screen 703, and a hard filter screen 704. The outer filter screen 701 is provided on the inner surface of the joint housing 1. The inner surface of the outer filter screen 701 is connected to the microporous filter membrane 702, and the inner surface of the microporous filter membrane 702 is provided with the inner filter screen 703. The hard filter screen 704 is installed on the inner surface of the inner filter screen 703;

[0025] The specific operation is as follows. When in use, the top connection port 5 is connected to the external connecting pipe, and water flows in from the top connection port 5. Due to the rotational connection between the stable connecting head 404 and the upper connecting flange 403, the top connection port 5 can rotate relative to the joint housing 1. No matter in which direction or outlet the water flows, the outer filter screen 701 and the inner filter screen 703 will initially filter the flowing liquid, intercepting and filtering the larger impurities therein. The microporous filter membrane 702 can further filter the smaller impurities in the liquid. The hard filter screen 704 can improve the overall hardness and support of the filtering component 7 and extend its service life.

[0026] In summary, asFigures 1 to 3 As shown, for the rotation joint that is convenient for disassembly and assembly, during use, first, through the threaded connection between the threaded mounting ring 405 and the internal thread of the threaded mounting groove 406, the upper connection flange 403 is quickly fixed on the surface of the joint housing 1. Then, the stable connection head 404 is installed on the joint housing 1. At the same time, the fixing ring 402 is engaged with the inner side of the annular fixing groove 401 to reinforce and seal the installation of the upper connection flange 403 and the joint housing 1. During installation, the fixing holes 408 on the surfaces of the upper connection flange 403 and the lower connection flange 407 are butted, and the upper connection flange 403 and the lower connection flange 407 are fixedly connected through the threaded connection between the fixing bolts 409 and the fixing holes 408. The bottom connection port 2 and the side connection port 3 are connected to the external connection pipe. Subsequently, the top connection port 5 is connected to the external connection pipe. Water flows in from the top connection port 5. Due to the rotational connection between the stable connection head 404 and the upper connection flange 403, the top connection port 5 can rotate relative to the joint housing 1. No matter which direction or outlet the water flows, the outer filter screen 701 and the inner filter screen 703 will initially filter the flowing liquid and intercept and filter the larger impurities therein. The microporous filter membrane 702 can further filter the smaller impurities in the liquid. The hard filter screen 704 can improve the overall hardness and support of the filter assembly 7 and extend its service life.

[0027] The embodiments of the present invention are given for purposes of illustration and description, and are not exhaustive or limit the present invention to the disclosed form. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are chosen and described in order to better explain 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 design various embodiments with various modifications suitable for specific purposes.

Claims

1. A rotary joint that is easy to assemble and disassemble, comprising a joint outer shell (1) and a disassembly assembly component (4), characterized in that: The lower surface of the joint outer shell (1) is provided with a bottom connection port (2), and the two sides of the outer surface of the joint outer shell (1) are provided with side connection ports (3). The disassembly assembly (4) is arranged on the surface of the joint outer shell (1), and the disassembly assembly (4) comprises an annular fixing groove (401), a fixing ring (402), an upper connecting flange (403), a stable connecting head (404), a threaded mounting ring (405), a threaded mounting groove (406), a lower connecting flange (407), a fixing hole (408) and a fixing bolt (409). The annular fixing groove (401) is provided on the upper surface of the joint outer shell (1), and the inner side of the annular fixing groove (401) is snap-connected with the fixing ring (402), the upper surface of the fixing ring (402) is provided with an upper connecting flange (403), and the inner surface of the upper connecting flange (403) is rotatably connected with the stable connecting head (404).

2. A rotary joint that is easy to assemble and disassemble according to claim 1, characterized in that: A threaded mounting ring (405) is installed on the lower surface of the upper connecting flange (403), and the upper surface of the threaded mounting ring (405) is tightly connected to the lower surface of the upper connecting flange (403).

3. The easily disassembled rotary joint according to claim 1, characterized in that: A threaded mounting groove (406) is provided on the inner side of the upper surface of the joint outer shell (1), and the inner side of the threaded mounting groove (406) is threadedly connected to the surface of the threaded mounting ring (405).

4. The easily disassembled rotary joint according to claim 1, characterized in that: A lower connecting flange (407) is installed on the outer side of the upper surface of the joint outer shell (1), and fixing holes (408) are opened on the surfaces of the lower connecting flange (407) and the upper connecting flange (403), and a fixing bolt (409) is threadedly connected to the inner side of the fixing hole (408).

5. The easily disassembled rotary joint according to claim 1, characterized in that: The stable connection head (404) and the upper connection flange (403) are both hard metal structures, and a top connection port (5) is provided on the upper surface of the stable connection head (404).

6. The easily disassembled rotary joint according to claim 1, characterized in that: An inner connecting pipe (6) is installed on the lower surface of the threaded mounting ring (405), and the outer surface of the inner connecting pipe (6) is slidably connected to the inner side of the joint outer shell (1).

7. The easily disassembled rotary joint according to claim 1, characterized in that: The joint outer shell (1) and the lower connecting flange (407) are an integrated structure, and a filter assembly (7) for filtering impurities is arranged inside the joint outer shell (1).

8. The easily disassembled rotary joint according to claim 7, characterized in that: The filter assembly (7) comprises an outer filter screen (701), a microporous filter membrane (702), an inner filter screen (703) and a hard filter screen (704), wherein the outer filter screen (701) is arranged on the inner surface of the joint outer shell (1), the inner surface of the outer filter screen (701) is connected to the microporous filter membrane (702), and the inner surface of the microporous filter membrane (702) is provided with the inner filter screen (703), and the inner surface of the inner filter screen (703) is installed with the hard filter screen (704).

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