Rotatable corrosion-resistant sealing pipeline joint structure

Abstract

The utility model relates to a rotatable corrosion-resistant sealing pipeline joint structure which comprises a communicating pipeline, joint seats are arranged on the two sides of the communicating pipeline, connectors are arranged in the joint seats, one end of each connector is connected with the communicating pipeline, and an installation area is formed between the other end of each connector and the corresponding joint seat. A bearing matched with the installation area is arranged in the installation area, a detachable protection sleeve is arranged at the end, facing the bearing, of the connector base, a shielding part extending towards the center is arranged on the side, facing the bearing, of the protection sleeve, the shielding part abuts against the outer wall of the connector, and the shielding part is provided with an extending part extending in the axial direction. The extension part abuts against the outer wall of the connector. The rotary joint has the following advantages and effects that the stability of the rotary joint in long-term use can be ensured.

Description

Technical Field

[0001] This utility model relates to the field of pipeline connection technology, specifically to a rotatable, corrosion-resistant, sealed pipeline joint structure. Background Technology

[0002] A rotary joint is a component for pipe connections that can rotate relative to the connected pipe, thereby enabling the transfer of media into or out of rotating equipment.

[0003] For example, Chinese patent document CN219263482U discloses a high-pressure hydraulic rotary joint, including a joint seat, a filter screen inside the joint seat, a connecting block inside the joint seat, a connecting head sleeved inside the joint seat, an O-ring seal on the arc-shaped surface of the connecting head, a bearing sleeved on the arc-shaped surface of the connecting head, a spacer ring sleeved on the arc-shaped surface of the connecting head, a retaining ring on one side of the bearing, an elastic rod hinged to the connecting block, a fan blade hinged to one end of the elastic rod, a connecting element on the arc-shaped surface of the elastic rod, a hole inside the connecting seat with an internal thread on the arc-shaped surface of the hole, and an anti-clogging device composed of the connecting element, the elastic rod, the connecting block, and the fan blade.

[0004] In the above technical solution, the anti-clogging device can prevent the accumulation of sediment that could block the channel during long-term use, and can also make the oil flow faster, which makes the high-pressure hydraulic rotary joint operate more smoothly.

[0005] In the process of implementing the above technical solution, the inventors discovered that the connector and the connector seat rotate relative to each other through a bearing, and the bearing is protected by a retaining ring. However, during long-term use, the retaining ring is prone to corrosion in a humid environment, which allows external air to enter the internal bearing, causing corrosion of the bearing balls and affecting the stability of long-term use. Summary of the Invention

[0006] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a rotatable corrosion-resistant sealing pipe joint structure that can ensure the stability of the rotary joint during long-term use.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a rotatable corrosion-resistant sealing pipe joint structure, comprising a connecting pipe, joint seats on both sides of the connecting pipe, a connector head inside the joint seat, one end of the connector head being connected to the connecting pipe, and the other end forming an installation area with the joint seat, a bearing adapted to the installation area being provided in the installation area, a detachable protective sleeve being provided at the end of the joint seat facing the bearing, a shielding portion extending towards the center being provided on the side of the protective sleeve facing the bearing, the shielding portion abutting against the outer wall of the connector head, and an extension portion extending in the axial direction being abutting against the outer wall of the connector head.

[0008] The present invention is further configured such that: the inner wall of the extension is provided with an extension sealing groove, and an extension sealing ring is provided in the extension sealing groove; the extension is used to press the extension sealing ring between the extension and the connector to form a sealing fit between the two.

[0009] The present invention is further configured such that: the inner wall of the connector seat is provided with a connector seat sealing groove, there are multiple connector seat sealing grooves, and they are spaced apart from each other along the axial direction; a connector seat sealing ring is provided in the connector seat sealing groove; the connector seat sealing ring is used to press between the connector seat and the connector head to form a sealing fit between the two.

[0010] The present invention is further configured such that: the end of the connector facing the connecting pipe is provided with an annular positioning step.

[0011] The present invention is further configured such that: an annular sealing groove is provided in the annular positioning step, and an annular sealing ring adapted to the annular sealing groove is provided in the annular sealing groove; the annular sealing ring is used to press between the connecting pipe and the connector to form a sealing fit between the two.

[0012] The present invention is further configured such that: the inner wall of the protective sleeve is provided with an internal thread, and the outer wall of the connector seat is provided with an external thread that forms a threaded engagement with the internal thread.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0014] Because a removable protective sleeve is provided on the connector seat, and the protective sleeve can protect the bearing after being installed on the connector seat, during long-term use, only the protective sleeve needs to be replaced to ensure that the protective sleeve always has a good protective effect on the bearing. This avoids the bearing being corroded during use. Therefore, it effectively solves the technical problem in the prior art that the bearing balls are easily corroded when the connector is used in a humid environment for a long time. This ensures the stability of the connector in long-term use. In addition, the protective sleeve has an extension part that extends in the axial direction, which can increase the protective distance of the protective sleeve, thereby further ensuring that the external humid space is unlikely to come into contact with the bearing. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 This is a partial internal structure diagram of the present invention. Detailed Implementation

[0017] The technical solution of the present invention will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0018] In the description of this invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0019] like Figures 1 to 2As shown, this utility model discloses a rotatable corrosion-resistant sealing pipe joint structure, including a connecting pipe 1, joint seats 2 on both sides of the connecting pipe 1, and a connector 3 inside the joint seat 2. One end of the connector 3 is connected to the connecting pipe 1, and the other end forms an installation area 4 between it and the joint seat 2. A bearing 5 adapted to the installation area 4 is provided in the installation area 4. The bearing 5 and the installation area 4 form an interference fit to ensure the firmness of the bearing 5 installation. A removable protective sleeve 6 is provided at the end of the joint seat 2 facing the bearing 5. The protective sleeve 6 has a shielding part 61 extending towards the center on the side facing the bearing 5. The shielding part 61 abuts against the outer wall of the connector 3. An extension 62 extending in the axial direction is provided, which abuts against the outer wall of the connector 3. Since a removable protective sleeve 6 is provided on the connector seat 2, and the protective sleeve 6 can protect the bearing 5 after being installed on the connector seat 2, during long-term use, only the protective sleeve 6 needs to be replaced to ensure that the protective sleeve 6 always has a good protective effect on the bearing 5, thereby preventing the bearing 5 from being corroded during use and ensuring the long-term stability of the connector. In addition, the protective sleeve 6 is provided with an extension 62 extending in the axial direction, which can lengthen the protective distance of the protective sleeve 6, thereby further ensuring that the external humid space is difficult to contact the bearing 5.

[0020] In this embodiment, an extension sealing groove 621 is provided on the inner wall of the extension 62, and an extension sealing ring 622 is provided in the extension sealing groove 621. The extension 62 is used to press the extension sealing ring 622 between the extension 62 and the connector 3 to form a sealing fit between the two. By providing the extension sealing ring 622 in the extension sealing groove 621, after the protective sleeve 6 is installed on the connector seat 2, the extension sealing ring 622 can be pressed between the extension 62 and the connector 3. This can ensure the sealing performance of the extension 62 when protecting the bearing 5, and further ensure that the external humid space is difficult to contact the bearing 5.

[0021] In this embodiment, a connector seat sealing groove 21 is provided on the inner wall of the connector seat 2. There are multiple connector seat sealing grooves 21, which are spaced apart from each other along the axial direction. A connector seat sealing ring 22 is provided in the connector seat sealing groove 21. The connector seat sealing ring 22 is used to press between the connector seat 2 and the connector head 3 to form a sealing fit between the two. After the connector head 3 is assembled into the connector seat 2, the connector seat sealing ring 22 can be tightly pressed between the connector seat 2 and the connector head 3, which can ensure the sealing performance between the connector seat 2 and the connector head 3 and avoid leakage between the connector seat 2 and the connector head 3.

[0022] In this embodiment, an annular positioning step 31 is provided at the end of the connector 3 facing the connecting pipe 1. By setting the annular positioning step 31, the assembly of the connecting pipe 1 can be positioned when the connecting pipe 1 is connected to the connector 3. That is, when the end of the connecting pipe 1 abuts against the annular positioning step 31, it can be ensured that the connecting pipe 1 is installed in place.

[0023] In this embodiment, an annular sealing groove 32 is further provided in the annular positioning step 31. An annular sealing ring 33 adapted to the annular sealing groove 32 is provided in the annular sealing groove 32. The annular sealing ring 33 is used to press between the connecting pipe 1 and the connector 3 to form a sealing fit between the two. After the connecting pipe 1 is assembled to the connector 3, the annular sealing ring 33 can be tightly pressed between the connecting pipe 1 and the connector 3, thereby ensuring the sealing performance between the connecting pipe 1 and the connector 3 and avoiding leakage between the connecting pipe 1 and the connector 3.

[0024] In this embodiment, the shell disassembly connection structure between the protective sleeve 6 and the connector seat 2 is such that the inner wall of the protective sleeve 6 is provided with an internal thread, and the outer wall of the connector seat 2 is provided with an external thread 23 that forms a threaded engagement with the internal thread. Therefore, by rotating the protective sleeve 6, the protective sleeve 6 can be installed or disassembled.

[0025] This specific embodiment is merely an explanation of the present utility model and is not intended to limit the present utility model. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but as long as they are within the scope of the claims of the present utility model, they are protected by patent law.

Claims

1. A rotatable corrosion resistant sealed pipe union joint structure, characterized by, The utility tunnel is provided with a joint seat on both sides, the joint seat is provided with a connecting head, one end of the connecting head is connected with the utility tunnel, and the other end of the connecting head and the joint seat form a mounting area, the mounting area is provided with a bearing matched with the mounting area, the joint seat located towards the bearing is provided with a detachable protective sleeve, the protective sleeve located towards the bearing is provided with a shielding part extending towards the center, the shielding part abuts against the outer wall of the connecting head, and the shielding part is provided with an extension part extending in the axial direction and abutting against the outer wall of the connecting head.

2. A rotatable corrosion resistant sealed pipe union joint structure according to claim 1, wherein The inner wall of the extension part is provided with an extension part sealing groove, and the extension part sealing groove is provided with an extension part sealing ring.

3. A rotatable corrosion resistant sealed pipe union joint structure according to claim 1, wherein The inner wall of the joint seat is provided with a plurality of joint seat sealing grooves which are arranged at intervals in the axial direction, and the joint seat sealing grooves are provided with joint seat sealing rings.

4. A rotatable corrosion resistant sealed pipe union joint structure according to claim 1, wherein The connecting head located towards the utility tunnel is provided with an annular positioning step.

5. A rotatable corrosion-resistant sealed pipe union joint structure according to claim 4, wherein The annular positioning step is provided with an annular sealing groove, and the annular sealing groove is provided with an annular sealing ring matched with the annular sealing groove.

6. A rotatable corrosion resistant sealed pipe union joint structure according to claim 1, wherein The inner wall of the protective sleeve is provided with an internal thread, and the outer wall of the joint seat is provided with an external thread matched with the internal thread in a threaded manner.

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