Special-shaped pipe joint assembly

Abstract

The utility model discloses a special-shaped pipe joint assembly, and particularly relates to the technical field of pipeline connecting pieces, the special-shaped pipe joint assembly comprises a main joint assembly, butt joint assemblies are arranged at the two ends of the main joint assembly, and leakage detection assemblies are arranged at the two ends of the main joint assembly in a sleeved mode. According to the special-shaped pipe joint assembly, the butt joint assemblies with different calibers are installed at the two ends of the main joint assembly, so that connection of special-shaped pipes with different calibers can be adapted, and the adaptability of the main joint assembly is improved; meanwhile, the connecting position of the main connector assembly and the butt joint assembly and the connecting position of the butt joint assembly and the external special-shaped pipe are arranged in the detection sleeve in a sleeved mode through the detection sleeve, and a certain leakage prevention effect can be achieved when leakage happens to the connecting position of the special-shaped pipe connector assembly and the external special-shaped pipe; in addition, workers can conveniently carry out leakage detection on the connecting position of the special-shaped pipe connector assembly and the external special-shaped pipe.

Description

Technical Field

[0001] This utility model relates to the field of pipeline connector technology, specifically to a non-circular pipe joint assembly. Background Technology

[0002] Stainless steel pipes are widely used in industrial pipelines for petroleum, chemical, medical, food, light industry, and machinery and instrumentation, as well as in mechanical structural components.

[0003] For connections between stainless steel pipes with a diameter of DN100mm or less, press-fit and welding methods are commonly used. Press-fit fittings utilize specialized hydraulic tools to complete the connection via a press-fit mechanism. This method is convenient and quick to install, suitable for embedded installations, and relatively economical. However, its connection strength is relatively low, with the joint strength less than 1 / 3 of the pipe body strength. Leaks can easily occur if burrs and flash are not properly removed from the ends. Since press-fit pipe connections are non-removable, professional personnel are required to replace the fittings and connectors and reinstall the pipes.

[0004] Welded connections use a hot-melt process to fuse the components together, achieving a connection. While welded connections offer high strength, they are highly dependent on the welder's skill level and are prone to rusting at the weld seam, leading to pipe leaks. Furthermore, because welded connections are non-removable, pipe replacement cannot be performed directly; therefore, professional replacement of the fittings is still required, increasing the difficulty of repair work.

[0005] For example, Chinese patent application number 201822045513.0 discloses a pipe fitting, a pipe fitting connection structure, and a pipe fitting assembly. The pipe fitting has a first connecting portion on its outer surface, which has external threads. A first clamping portion is located at the port of the pipe fitting's outer surface, connected to the first connecting portion. The outer surface of the first clamping portion has a converging surface. A protrusion is located at the port of the pipe fitting's inner surface. This pipe fitting utilizes the first clamping portion and the protrusion to replace the need for additional sealing rings or other sealing components in existing technologies, facilitating maintenance by construction personnel.

[0006] However, the pipe fitting assembly still has some shortcomings in actual use. For example, the connection diameters at both ends of the pipe fitting assembly are constant, making it impossible to connect pipes of different diameters, resulting in insufficient adaptability. At the same time, it is not convenient to detect external leakage at the connection between the pipe fitting assembly and the external pipe. Once a leak occurs, it will directly leak to the outside. Utility Model Content

[0007] The purpose of this utility model is to provide a non-circular pipe joint assembly to solve the problems mentioned in the background art.

[0008] To achieve the above objectives, the present invention provides the following technical solution: a non-circular pipe joint assembly, including a main joint assembly, wherein both ends of the main joint assembly are provided with mating components, and both ends of the main joint assembly are fitted with external leakage detection components;

[0009] The docking assembly includes an outer tube, and a non-shaped external connector is fixedly installed at one end of the outer tube.

[0010] The external leakage detection assembly includes a first half-sleeve, a second half-sleeve is provided on one side of the first half-sleeve, a bent sealing strip is fixedly installed on the top and bottom of the inner side of the first half-sleeve, and a mating sealing groove is opened on the top and bottom of the inner side of the second half-sleeve. A detection tube is fixedly inserted into the middle of the outer side of the first half-sleeve and the second half-sleeve, and a sealing cap is threaded onto one end of the detection tube.

[0011] Preferably, the main connector assembly includes a pipe connector body, both ends of which are provided with internal insertion ports, and both ends of the pipe body of the pipe connector body are fixedly fitted with external sealing sleeves.

[0012] Preferably, a No. 1 sealing groove is formed on the outer surface of each of the two outer sealing sleeves, and a sealing ring is fixedly installed in each of the two No. 1 sealing grooves.

[0013] Preferably, a threaded sealing sleeve is fixedly sleeved at one end of the outer pipe body, and a second sealing groove is opened on the inner side of the threaded sealing sleeve.

[0014] Preferably, one end of the threaded sealing sleeve is movably inserted into the first sealing groove, and one end of the sealing ring is inserted into the second sealing groove.

[0015] Preferably, the first half-sleeve and the second half-sleeve are combined to form a detection sleeve. Both ends of the detection sleeve are fitted with clamps, which are stepless clamps. The inner walls of both ends of the detection sleeve are covered with a flexible rubber layer.

[0016] Compared with the prior art, the beneficial effects of this utility model are:

[0017] 1. This shaped pipe fitting assembly can adapt to the connection of shaped pipes of different diameters by installing mating components of different diameters at both ends of the main fitting assembly, thereby improving the adaptability of the main fitting assembly. At the same time, by inserting one end of the threaded sealing sleeve into the first sealing groove and the sealing ring into the second sealing groove, a double-layer sealing effect can be formed, thereby improving the connection sealing and stability of the mating component and the main fitting assembly.

[0018] 2. The connection between the main connector assembly and the mating assembly, as well as the connection between the mating assembly and the external shaped pipe, are all fitted into the detection sleeve. This not only provides a certain degree of leak prevention when a leak occurs at the connection between the shaped pipe connector assembly and the external shaped pipe, but also facilitates the staff to conduct leak detection at the connection between the shaped pipe connector assembly and the external shaped pipe. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 2 This is a cross-sectional structural diagram of the present invention;

[0021] Figure 3 This is a schematic diagram of the internal structure of the main connector assembly of this utility model;

[0022] Figure 4 For the present utility model Figure 3 A schematic diagram of the structure of part A;

[0023] Figure 5 This is a schematic diagram of the external leakage detection component of this utility model.

[0024] In the diagram: 1. Main connector assembly; 101. Pipe connector body; 102. Inner socket; 103. Outer sealing sleeve; 104. No. 1 sealing groove; 105. Sealing ring; 2. Butt assembly; 201. Outer pipe; 202. Irregular external connector; 203. Threaded sealing sleeve; 204. No. 2 sealing groove; 3. External leakage detection assembly; 301. No. 1 half sleeve; 302. No. 2 half sleeve; 303. Bending sealing strip; 304. Butt sealing groove; 305. Detection tube; 306. Sealing cap; 307. Clamp. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] like Figure 1-5 As shown, this utility model provides a technical solution: including a main connector assembly 1, both ends of the main connector assembly 1 are provided with a mating assembly 2, and both ends of the main connector assembly 1 are fitted with an external leakage detection assembly 3;

[0027] The docking assembly 2 includes an outer pipe 201, and a non-shaped external connector 202 is fixedly installed at one end of the outer pipe 201;

[0028] The external leakage detection component 3 includes a first half-sleeve 301, a second half-sleeve 302 on one side of the first half-sleeve 301, and bent sealing strips 303 fixedly installed on the top and bottom of the inner side of the first half-sleeve 301. A mating sealing groove 304 is formed on the top and bottom of the inner side of the second half-sleeve 302. A detection tube 305 is fixedly inserted into the middle of the outer sides of both the first half-sleeve 301 and the second half-sleeve 302. A sealing cap 306 is threaded onto one end of the detection tube 305. Simultaneously, the connection between the main connector component 1 and the mating component 2, as well as the connection between the mating component 2 and the external irregular-shaped tube, are all fitted inside the detection sleeve. After the shaped pipe connector assembly has been in operation for a period of time, manually rotate the sealing cover 306 to remove it. Then, take out the sensor detector corresponding to the gas or liquid being transported and insert it into the detection tube 305. If no gas is detected in the detection tube 305, there is no gas or liquid leakage at the connection between the main connector assembly 1 and the docking assembly 2, or at the connection between the docking assembly 2 and the external shaped pipe. If gas or liquid is detected, there is gas or liquid leakage at the connection between the main connector assembly 1 and the docking assembly 2, or at the connection between the docking assembly 2 and the external shaped pipe. In this case, pipe connector assembly maintenance is required to prevent the leakage from worsening and to ensure better safety.

[0029] In this embodiment, the main connector assembly 1 includes a pipe connector body 101, both ends of which are provided with inner insertion ports 102, and both ends of the pipe body of the pipe connector body 101 are fixedly sleeved with outer sealing sleeves 103.

[0030] Meanwhile, a first sealing groove 104 is provided on the outer side of each of the two outer sealing sleeves 103, and a sealing ring 105 is fixedly installed in each of the two first sealing grooves 104.

[0031] One end of the outer pipe 201 is fixedly fitted with a threaded sealing sleeve 203, and the inner side of the threaded sealing sleeve 203 is provided with a second sealing groove 204.

[0032] One end of the threaded sealing sleeve 203 is movably inserted into the first sealing groove 104, and one end of the sealing ring 105 is inserted into the second sealing groove 204. By installing mating components 2 of different diameters at both ends of the main connector assembly 1, it can adapt to the connection of irregularly shaped pipes of different diameters, thereby improving the adaptability of the main connector assembly 1. Specifically, the mating component 2 is selected according to the diameter of the actual external irregularly shaped pipe. The selected mating component 2 is taken out, and one end of the outer tube 201 is aligned with the inner insertion port 102. An annular rubber sealing ring is laid on the inner wall deep inside the inner insertion port 102. After alignment, the outer tube 201 is manually rotated. The rotation of the outer tube 201 can... Rotating the threaded sealing sleeve 203 fixedly fitted on it, both ends of the outer wall of the pipe connector body 101 and the inner wall of the threaded sealing sleeve 203 are provided with external threads and internal threads. Therefore, rotating the outer pipe 201 can make the threaded sealing sleeve 203 threadedly fitted onto the pipe body of the pipe connector body 101, and make one end of the threaded sealing sleeve 203 inserted into the first sealing groove 104, and the sealing ring 105 inserted into the second sealing groove 204. By inserting one end of the threaded sealing sleeve 203 into the first sealing groove 104 and the sealing ring 105 into the second sealing groove 204, a double-layer sealing effect can be formed, improving the connection sealing and stability of the docking assembly 2 and the main connector assembly 1.

[0033] The first half-sleeve 301 and the second half-sleeve 302 are combined to form a detection sleeve. Both ends of the detection sleeve are fitted with clamps 307, which are stepless clamps. The inner walls of both ends of the detection sleeve are covered with flexible rubber layers, which makes the sealing between the two ends of the detection sleeve and the contacting pipe better.

[0034] In summary, this shaped pipe connector assembly can adapt to different diameter shaped pipes by installing mating components 2 of different diameters at both ends of the main connector assembly 1, thereby improving the adaptability of the main connector assembly 1. At the same time, by inserting one end of the threaded sealing sleeve 203 into the first sealing groove 104 and the sealing ring 105 into the second sealing groove 204, a double-layer sealing effect can be formed, improving the sealing and stability of the connection between the mating component 2 and the main connector assembly 1. Furthermore, by using a detection sleeve to cover the connection between the main connector assembly 1 and the mating component 2, as well as the connection between the mating component 2 and the external shaped pipe, it can not only play a certain role in preventing leakage when leakage occurs at the connection between the shaped pipe connector assembly and the external shaped pipe, but also facilitate the staff to perform leakage detection at the connection between the shaped pipe connector assembly and the external shaped pipe.

[0035] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A special-shaped pipe fitting assembly, comprising a main fitting assembly (1), characterized in that... Both ends of the main connector assembly (1) are provided with mating components (2), and both ends of the main connector assembly (1) are fitted with external leakage detection components (3); The docking assembly (2) includes an outer pipe (201), and a non-shaped external connector (202) is fixedly installed at one end of the outer pipe (201); The external leakage detection component (3) includes a first half sleeve (301), a second half sleeve (302) is provided on one side of the first half sleeve (301), a bent sealing strip (303) is fixedly installed on the top and bottom of the inner side of the first half sleeve (301), and a mating sealing groove (304) is opened on the top and bottom of the inner side of the second half sleeve (302). A detection tube (305) is fixedly inserted into the middle of the outer side of the first half sleeve (301) and the second half sleeve (302), and a sealing cap (306) is threaded onto one end of the detection tube (305).

2. The irregular-shaped pipe joint assembly according to claim 1, characterized in that, The main connector assembly (1) includes a pipe connector body (101), both ends of which are provided with inner insertion ports (102), and both ends of the pipe body (101) are fixedly fitted with outer sealing sleeves (103).

3. The irregular-shaped pipe joint assembly according to claim 2, characterized in that, Each of the two outer sealing sleeves (103) has a first sealing groove (104) on its outer side, and a sealing ring (105) is fixedly installed in each of the two first sealing grooves (104).

4. The irregular-shaped pipe joint assembly according to claim 3, characterized in that, The outer pipe (201) has a threaded sealing sleeve (203) fixedly sleeved at one end of its body, and the inner side of the threaded sealing sleeve (203) has a second sealing groove (204).

5. The irregular-shaped pipe joint assembly according to claim 4, characterized in that, One end of the threaded sealing sleeve (203) is movably inserted into the first sealing groove (104), and one end of the sealing ring (105) is inserted into the second sealing groove (204).

6. The irregular-shaped pipe joint assembly according to claim 1, characterized in that, The first half sleeve (301) and the second half sleeve (302) are combined to form a detection sleeve. Both ends of the detection sleeve are fitted with clamps (307), which are stepless clamps. The inner walls of both ends of the detection sleeve are covered with flexible rubber layers.

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