Acid and alkali resistant union pipeline

Abstract

The utility model discloses an acid and alkali resistant union pipeline and relates to the technical field of union pipes, the acid and alkali resistant union pipeline comprises a union pipe, a joint mechanism and a fixing mechanism, the fixing mechanism comprises a fixing seat, a cavity is formed in the fixing seat, a limiting plate is arranged in the cavity in a sliding mode, and an L-shaped groove communicated with the cavity is formed in the side face of the fixing seat. The device is provided with a fixing mechanism, a clamping piece on the fixing mechanism is clamped into a clamping groove in a male connector to fix a tightening cap, rotation of the tightening cap is prevented, the situation that two pipelines are disconnected due to automatic loosening and sliding of the tightening cap is avoided, meanwhile, during disassembly, only a pull ring needs to be pulled upwards, the clamping piece is moved out of the clamping groove, then an extending block is rotated, and the extending block is clamped into a transverse groove of an L-shaped groove; the pipe body of the union pipe is further lined with nitrile rubber buna, the acid and alkali resistance of a pipeline is enhanced, the design structure is simple, manufacturing is easy and convenient, the machining and manufacturing efficiency is greatly improved, and the use requirements of various environments on site are met.

Description

Technical Field

[0001] The utility model relates to the technical field of union pipes, in particular to an acid and alkali resistant union pipeline. Background Art

[0002] As we all know, petroleum is one of the main objects of geological exploration. It is a viscous, dark brown liquid, known as the "blood of industry". Petroleum is stored in some areas of the upper crust. Its main components are a mixture of various alkanes, cycloalkanes, and aromatic hydrocarbons. In the process of petroleum extraction, a variety of pipelines are required. The connection of the pipelines requires the use of unions, which necessitates the use of union pipelines.

[0003] For example, the patent website discloses a split union with replaceable joints (publication number: CN215445421U). This device connects two pipes through a male connector, a female connector, and a tight cap. However, this device does not have a fixing device for the tight cap. If the tight cap automatically loosens externally, the two pipes may be disconnected. Therefore, those skilled in the art have proposed an acid- and alkali-resistant union pipeline. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the utility model provides an acid and alkali resistant union pipeline. The device is provided with a fixing mechanism for the tight cap to prevent it from loosening and solves the problem of the tight cap automatically loosening and causing the two pipelines to be disconnected in the above background.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: Acid and alkali resistant union pipeline, comprising:

[0006] A union pipe, wherein the union pipe is used to transport petroleum;

[0007] A joint mechanism, the joint mechanism being used to connect two pipes;

[0008] A fixing mechanism, the fixing mechanism being used to fix a tight cap inside the joint mechanism;

[0009] The fixing mechanism includes a fixing seat, a cavity is opened in the fixing seat, a limit plate is slidably arranged in the cavity, an L-shaped groove communicating with the cavity is installed on the side of the fixing seat, an extension block extending to the transverse groove of the L-shaped groove is installed on the side of the limit plate, a round rod with an upper end extending to the outside of the fixing seat is installed at the center of the upper surface of the limit plate, a compressed spring is sleeved on the outer surface of the round rod above the limit plate, a pull ring is installed on the upper end of the round rod extending to the outside of the fixing seat, and a clamp is installed at the center of the lower surface of the limit plate;

[0010] As a further technical solution of the present invention, the joint mechanism includes a tightening cap installed at the lower end of the fixed base, a male joint is provided inside the tightening cap, a union is installed at one end of the male joint, and a female joint is installed at the other end of the union.

[0011] As a further technical solution of the present invention, the surface of the female connector is provided with an external thread, and the inner wall of the tight cap is provided with an internal thread that matches the external thread.

[0012] As a further technical solution of the present invention, the union tube includes a union tube, and the union tube is lined with nitrile rubber.

[0013] As a further technical solution of the present invention, the fixing mechanism further comprises a circular hole, which is provided on the surface of the tight cap and matches the fixing seat, and a slot aligned with the circular hole is provided on the side of the male connector.

[0014] Beneficial effects

[0015] The utility model provides an acid and alkali resistant union pipeline. Compared with the existing technology, it has the following beneficial effects:

[0016] 1. For acid and alkali resistant union pipelines, this device is equipped with a fixing mechanism that allows the clamp on it to be inserted into the slot on the male connector to fix the tight cap to prevent it from rotating and avoid the tight cap from automatically loosening and causing the two pipes to be disconnected. At the same time, when disassembling, you only need to pull the pull ring to move the clamp out of the slot and then rotate it to allow the extension block to be inserted into the horizontal slot of the L-shaped slot, making the disassembly and removal of the fixation simple and convenient for the staff to operate.

[0017] 2. Acid and alkali resistant union pipeline. The union pipe of this device is also lined with nitrile rubber inside to enhance the acid and alkali resistance of the pipeline. The design is simple in structure and easy to manufacture, which greatly improves the processing and manufacturing efficiency and meets the use requirements of various on-site environments. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a structural diagram of an acid and alkali resistant union pipeline;

[0019] Figure 2 This is a cross-sectional view of the union pipe of the acid and alkali resistant union pipeline;

[0020] Figure 3 This is a schematic diagram of the connection structure of the acid and alkali resistant union pipeline;

[0021] Figure 4 This is a cross-sectional view of the connection status of the acid and alkali resistant union pipeline;

[0022] Figure 5 This is the disassembly diagram of the acid and alkali resistant union pipeline.

[0023] In the figure: 1. Union tube; 101. Tube body; 102. Nitrile rubber; 2. Female connector; 3. Male connector; 4. Tightening cap; 5. Fixing seat; 6. Cavity; 7. Limiting plate; 8. L-shaped groove; 9. Extension block; 10. Clamp; 11. Round rod; 12. Pull ring; 13. Round hole; 14. Clamping slot; 15. External thread; 16. Internal thread; 17. Spring. DETAILED DESCRIPTION

[0024] The present disclosure will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only intended to explain the relevant content and are not intended to limit the present disclosure. It should also be noted that, for ease of description, only the portions relevant to the present disclosure are shown in the accompanying drawings.

[0025] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments in the present disclosure can be combined with each other. The technical solution of the present disclosure will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0026] Unless otherwise stated, the exemplary embodiments / examples shown are to be understood as providing exemplary features of various details of some ways in which the technical concepts of the present disclosure can be implemented in practice. Therefore, unless otherwise stated, the features of the various embodiments / examples may be further combined, separated, interchanged, and / or rearranged without departing from the technical concepts of the present disclosure.

[0027] The use of cross hatching and / or shading in the accompanying drawings is generally used to make the boundaries between adjacent components clear. As such, unless otherwise indicated, the presence or absence of cross hatching or shading does not convey or indicate any preference or requirement for the specific materials, material properties, dimensions, proportions, commonalities between the components shown, and / or any other characteristics, attributes, properties, etc. of the components. In addition, in the accompanying drawings, the sizes and relative sizes of the components may be exaggerated for clarity and / or descriptive purposes. When the exemplary embodiments can be implemented differently, the specific process sequence can be performed in a different order than described. For example, two successively described processes can be performed substantially simultaneously or in an order opposite to the order described. In addition, the same figure numbers represent the same components.

[0028] When a component is referred to as being “on,” “over,” “connected to,” or “coupled to” another component, the component may be directly on, directly connected to, or directly coupled to the other component, or intervening components may be present. However, when a component is referred to as being “directly on,” “directly connected to,” or “directly coupled to” another component, there are no intervening components present. For this purpose, the term “connected” may refer to a physical connection, an electrical connection, etc., with or without intervening components.

[0029] For descriptive purposes, the present disclosure may use spatially relative terms such as "below," "beneath," "under," "down," "above," "upper," "above," "higher," and "side (e.g., as in "sidewall")," to describe the relationship of one component to another (other) component as shown in the accompanying drawings. The spatially relative terms are intended to encompass different orientations of the device in use, operation, and / or manufacture in addition to the orientation depicted in the accompanying drawings. For example, if the device in the drawings is turned over, a component described as "below" or "beneath" another component or feature would then be positioned "above" the other component or feature. Thus, the exemplary term "below" can encompass both the "above" and "below" orientations. Furthermore, the device may be otherwise oriented (e.g., rotated 90 degrees or at other orientations), and as such, the spatially relative descriptors used herein should be interpreted accordingly.

[0030] The terms used herein are for the purpose of describing specific embodiments and are not intended to be restrictive. As used herein, unless the context clearly indicates otherwise, the singular forms "one (kind, person)" and "said (the)" are also intended to include plural forms. In addition, when the terms "comprise" and / or "include" and their variations are used in this specification, the features, integral bodies, steps, operations, parts, assemblies and / or their groups stated are explained, but the presence or addition of one or more other features, integral bodies, steps, operations, parts, assemblies and / or their groups is not excluded. It should also be noted that, as used herein, the terms "substantially", "approximately" and other similar terms are used as approximate terms and not as degree terms, so that they are used to explain the inherent deviations of the measured values, calculated values ​​and / or the values ​​provided that will be recognized by those of ordinary skill in the art.

[0031] like Figure 1-2 As shown, the acid and alkali resistant union pipeline disclosed in the present invention may include: a union pipe (1), a joint mechanism, a fixing mechanism and other components;

[0032] Figure 1 This is a structural diagram of an acid and alkali resistant union pipeline;

[0033] Figure 2 This is a cross-sectional view of the union pipe of the acid and alkali resistant union pipeline;

[0034] Figure 3 This is a schematic diagram of the connection structure of the acid and alkali resistant union pipeline;

[0035] like Figure 1-3 As shown, the union tube 1 includes a union body 101 and nitrile rubber 102;

[0036] The nitrile rubber 102 is lined on the inner wall of the pipe body 101;

[0037] When the union pipe 1 is used to transport oil, the internal lining of the union pipe 1 is made of nitrile rubber, which enhances the acid and alkali resistance of the pipeline.

[0038] like Figure 1-3 As shown, the joint mechanism includes a female joint 2, a male joint 3, a tight cap 4, an external thread 15, and an internal thread 16;

[0039] The female connector 2 is installed at one end of the union tube 1, and the male connector 3 is installed at the other end of the union tube 1. The tight cap 4 is sleeved on the outside of the male connector 3. The external thread 15 is provided on the surface of the female connector 2, and the internal thread 16 is provided on the inner side of the tight cap 4 and is adapted to the external thread 15.

[0040] When connecting, mate the male connector 3 of one pipe with the female connector 2 of another pipe, then rotate the corresponding tightening cap 4 of the male connector 3 to align the fixing base 5 with the card slot 14 on the male connector 3, and then rotate the tightening cap 4 through the fixing base 5 to thread the internal thread 16 into the external thread 15 on the female connector 2, thereby connecting the male connector 3 and the female connector 2 to achieve the connection of the two union pipes;

[0041] Figure 4 This is a cross-sectional view of the connection status of the acid and alkali resistant union pipeline;

[0042] Figure 5 This is the disassembly diagram of the acid and alkali resistant union pipeline;

[0043] As shown in 3-5, the fixing mechanism includes a fixing seat 5, a cavity 6, a limiting plate 7, an L-shaped groove 8, an extension block 9, a clamping member 10, a round rod 11, a pull ring 12, a round hole 13, and a clamping slot 14;

[0044] The card slot 14 is provided on the side of the male connector 3, the circular hole 13 is provided on the side of the tight cap 4 and is aligned with the circular hole 13, the fixing seat 5 is installed on the outer side of the tight cap 4 and is aligned with the circular hole 13, the cavity 6 is provided in the fixing seat 5, the limiting plate 7 is slidably arranged in the cavity 6, the L-shaped groove 8 is provided on the side of the fixing seat 5 and is connected with the cavity 6, the extension block 9 is installed on the side of the limiting plate 7 and extends to the transverse groove of the L-shaped groove 8, the round rod 11 is installed at the center of the upper surface of the limiting plate 7, the pull ring 12 is installed at the end of the round rod 11 extending to the outside of the fixing seat 5, the spring 17 is sleeved on the surface of the round rod 11 and is in a compressed state, and the clamping member 10 is installed at the center of the lower surface of the limiting plate 7;

[0045] When the locking cap 4 is fully rotated on the female connector 2, the locking cap 4 has just rotated a full number of circles and is aligned with the fixing seat 5 and the card slot 14. Then, the pull ring 12 is rotated to drive the limit plate 7 to rotate through the round rod 11. The rotating limit plate 7 drives the extension block 9 to rotate so that it moves out of the horizontal groove of the L-shaped groove 8, thereby releasing the limit on the limit plate 7. Then, the compressed spring 17 rebounds and drives the limit plate 7 to descend, thereby driving the clamping piece 10 to pass through the round hole 13 and insert into the card slot 14, thereby limiting the locking cap 4.

[0046] When disassembling, you only need to pull up the pull ring 12 to drive the limit plate 7 and the clamp 10 to rise through the round rod 11, so that the clamp 10 moves out of the slot 14 and into the cavity 6, and then align the extension block 9 with the transverse groove of the L-shaped groove 8. After that, rotate the pull ring 12 to drive the limit plate 7 to rotate and let the extension block 9 screw into the transverse groove of the L-shaped groove 8 to limit the limit plate 7. After that, the two pipes can be disassembled by reversing the tight cap 4 through the fixing seat 5.

[0047] In the description of this specification, the description with reference to the terms "one embodiment / method", "some embodiments / methods", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment / method or example are included in at least one embodiment / method or example of the present application. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment / method or example. Moreover, the specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more embodiments / methods or examples. In addition, those skilled in the art may combine and combine different embodiments / methods or examples described in this specification and the features of different embodiments / methods or examples, unless they are contradictory.

[0048] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of such features. Throughout the description of this application, "plurality" means at least two, for example, two, three, etc., unless otherwise specifically defined.

[0049] Those skilled in the art will appreciate that the above embodiments are merely intended to clearly illustrate the present disclosure and are not intended to limit the scope of the present disclosure. Other changes or modifications may be made based on the above disclosure, and such changes or modifications are still within the scope of the present disclosure.

Claims

1. Acid and alkali resistant union pipeline, characterized by: include: A union pipe (1), wherein the union pipe (1) is used for transporting petroleum; A joint mechanism, the joint mechanism being used to connect two pipes; A fixing mechanism, the fixing mechanism being used to fix a tight cap inside the joint mechanism; The fixing mechanism includes a fixing seat (5), a cavity (6) is provided in the fixing seat (5), a limiting plate (7) is slidably provided in the cavity (6), an L-shaped groove (8) communicating with the cavity (6) is installed on the side of the fixing seat (5), an extension block (9) extending to the transverse groove of the L-shaped groove (8) is installed on the side of the limiting plate (7), a round rod (11) whose upper end extends to the outside of the fixing seat (5) is installed at the center of the upper surface of the limiting plate (7), a compressed spring (17) is sleeved on the outer surface of the round rod (11) above the limiting plate (7), a pull ring (12) is installed on the upper end of the round rod (11) extending to the outside of the fixing seat (5), and a clamping member (10) is installed at the center of the lower surface of the limiting plate (7).

2. The acid and alkali resistant union pipeline according to claim 1, characterized in that: The joint mechanism comprises a tightening cap (4) mounted on the lower end of a fixing seat (5), a male joint (3) being provided inside the tightening cap (4), a union tube (1) being mounted on one end of the male joint (3), and a female joint (2) being mounted on the other end of the union tube (1).

3. The acid and alkali resistant union pipeline according to claim 2, characterized in that: The surface of the female connector (2) is provided with an external thread (15), and the inner wall of the tight cap (4) is provided with an internal thread (16) that matches the external thread (15).

4. The acid and alkali resistant union pipeline according to claim 2, characterized in that: The union tube (1) comprises a tube body (101), and the tube body (101) is lined with nitrile rubber.

5. The acid and alkali resistant union pipeline according to claim 3, characterized in that: The fixing mechanism further comprises a circular hole (13), the circular hole (13) being provided on the surface of the tightening cap (4) and being adapted to the fixing seat (5), and a slot (14) being aligned with the circular hole (13) being provided on the side surface of the male connector (3).

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