Hydraulic engineering pipeline connecting device

Abstract

The utility model provides a water conservancy project pipeline connecting device, and belongs to the technical field of water conservancy pipelines. Comprising a first protection pipe, a second protection pipe, first notches and sealing ring assemblies, the first protection pipe is arranged at the top end of the second protection pipe, the first notches are formed in the inner walls of the first protection pipe and the second protection pipe, the sealing ring assemblies are arranged at the two ends of each first notch, and the bottom ends of the multiple sealing ring assemblies are fixedly connected with the second protection pipe; the sealing ring assembly comprises a sealing ring, a second notch, an air bag and a second through opening, the second notch is formed in a pipe body of the sealing ring, the air bag is arranged on the inner wall of the second notch, the sealing ring is penetrated by the second through opening, and the air bag is fixedly connected with the air guide pipe. And then the two pipelines are inserted from the first through openings in the two ends of the second protection pipe, the flanges and the pipelines are assembled and connected, and then the first protection pipe and the second protection pipe are fixed through the first fixing bolts.

Description

Technical Field

[0001] The utility model relates to the technical field of water conservancy pipelines, in particular to a water conservancy engineering pipeline connecting device. Background Art

[0002] Water conservancy projects are projects built to control and allocate natural surface water and groundwater in order to achieve the purpose of eliminating harm and promoting benefits. Water is a precious resource that is indispensable to human production and life, but its natural state does not fully meet human needs. Only by building water conservancy projects can we control water flows, prevent floods and waterlogging disasters, and regulate and distribute water to meet people's needs for water resources in life and production.

[0003] In existing pipeline connections, components such as flanges and nuts are usually used. The components are corroded by stains and sewage in the external environment for a long time, resulting in corrosion and loss of pipeline components, thereby increasing the risk of leakage at the pipeline connection. Therefore, the present application provides a water conservancy project pipeline connection device to meet the needs. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a water conservancy project pipeline connection device to solve the problem that the existing components are corroded by stains and sewage in the external environment for a long time, resulting in corrosion and loss of pipeline components, thereby increasing the risk of leakage at the pipeline connection.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a water conservancy project pipeline connection device, including a first protective tube, a second protective tube, a first notch, and a sealing ring assembly, the first protective tube is arranged at the top of the second protective tube, and the inner walls of the first protective tube and the second protective tube are both provided with a first notch.

[0006] Sealing ring assemblies are provided at both ends of the first notch, and the bottom ends of several sealing ring assemblies are fixedly connected to the second protective tube. The sealing ring assembly includes a sealing ring, a second notch, an airbag, and a second through port. The second notch is opened on the tube body of the sealing ring, and the inner wall of the second notch is provided with an airbag. The sealing ring is penetrated by the second through port, and the airbag is fixedly connected to the air guide tube.

[0007] Preferably: fixing plates are provided on the sides of the first protection tube and the second protection tube, and a plurality of first fixing bolts are provided on the fixing plates.

[0008] Preferably: the first protection tube and the second protection tube are both penetrated by the first opening, and the first opening is used for placing the pipeline.

[0009] Preferably, a flange can be placed inside the first notch, both ends of the flange are provided with sealing ring assemblies, and the flange and the sealing ring assemblies are not in contact.

[0010] Preferably: a second fixing bolt is provided on the flange, and the second fixing bolt is used to connect the flange with pipeline flanges at both ends of the flange.

[0011] Preferably, the air guide tube passes through the tube body of the second protection tube and extends out, and the air guide tube is used to supply air to the airbag.

[0012] Compared with the prior art, the utility model has at least the following beneficial effects: 1. The flange is first placed in the first slot, and then the two pipes are inserted from the first openings at both ends of the second protective tube, the flange and the pipes are assembled and connected, and then the first protective tube and the second protective tube are fixed by the first fixing bolt, and then the airbag inside the sealing ring is ventilated through the air guide tube to expand the airbag, and the gap generated by the flange and the pipe placed in the first slot is filled to keep the inside thereof in a sealed state.

[0013] 2. The design of the sealing ring assembly can effectively reduce or prevent the interference of the external environment on the connection between the pipeline and the flange, improve the reliability and safety of the connection, reduce the corrosion and loss of the pipeline by the external environment, and extend the service life of the pipeline. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings, which are incorporated herein and constitute a part of the specification, illustrate embodiments of the present disclosure and, together with the description, further serve to explain the principles of the present disclosure and to enable those skilled in the relevant art to make and use the present disclosure.

[0015] Figure 1 The present invention is a schematic diagram of the three-dimensional structure of a water conservancy project pipeline connection device.

[0016] Figure 2 It is a schematic diagram of the three-dimensional structure inside the second protective pipe in a water conservancy project pipeline connection device.

[0017] Figure 3 It is a three-dimensional structural schematic diagram of a sealing ring assembly in a water conservancy project pipeline connection device.

[0018] Figure 4 The figure is a schematic diagram of the structure of a flange in a water conservancy project pipeline connection device.

[0019] Figure 5 for Figure 3 Schematic diagram of the structure of the sealing ring assembly in the inflated state.

[0020] [reference numerals]

[0021] 1. Pipe; 2. First protective tube; 3. Second protective tube; 4. Fixing plate; 5. First fixing bolt; 6. Air guide tube; 7. First opening; 8. First notch; 9. Sealing ring assembly; 91. Sealing ring; 92. Second notch; 93. Airbag; 94. Second opening; 10. Flange; 11. Second fixing bolt.

[0022] As shown in the figure, in order to clearly implement the structure of the embodiment of the utility model, specific structures and devices are marked in the figure, but this is only for illustrative purposes and is not intended to limit the utility model to the specific structure, device and environment. According to specific needs, ordinary technicians in this field can adjust or modify these devices and environments, and the adjustments or modifications made are still included in the scope of the attached claims. DETAILED DESCRIPTION

[0023] The following is a detailed description of a water conservancy project pipeline connection device provided by the utility model in combination with the accompanying drawings and specific embodiments. At the same time, it is explained here that in order to make the embodiments more detailed, the following embodiments are the best and preferred embodiments, and those skilled in the art may also adopt other alternative methods to implement some known technologies; and the accompanying drawings are only for more specific description of the embodiments, and are not intended to specifically limit the utility model.

[0024] like Figure 3 and Figure 5 As shown, an embodiment of the utility model provides a water conservancy project pipeline connection device, including a first protective tube 2, a second protective tube 3, a first notch 8, and a sealing ring assembly 9. The first protective tube 2 is arranged at the top end of the second protective tube 3, and the inner walls of the first protective tube 2 and the second protective tube 3 are both provided with a first notch 8.

[0025] Both ends of the first notch 8 are provided with sealing ring assemblies 9, and the bottom ends of several sealing ring assemblies 9 are fixedly connected to the second protection tube 3, and the sealing ring assembly 9 includes a sealing ring 91, a second notch 92, an airbag 93, and a second through-hole 94. The tube body of the sealing ring 91 is provided with a second notch 92, and the inner wall of the second notch 92 is provided with an airbag 93. The sealing ring 91 is penetrated by the second through-hole 94, and the airbag 93 is fixedly connected to the air guide tube 6. The flange 10 is first placed in the first notch 8, and then the two pipes 1 are inserted from the first through-holes at both ends of the second protection tube 3. The flange 10 and the pipe 1 are assembled and connected through the first fixing bolt 5, and then the first protective tube 2 and the second protective tube 3 are fixed, and then the air bag 93 inside the sealing ring 91 is ventilated through the air guide tube 6 to expand the air bag 93 and fill the gap between the flange 10 and the pipe 1 placed in the first notch 8 to keep the inside sealed, effectively reduce or prevent leakage, improve the reliability and safety of the connection, reduce the corrosion and loss of the pipe 1 by the external environment, and extend the service life of the pipe 1.

[0026] like Figure 1 , Figure 2 and Figure 4 As shown, a fixing plate 4 is disposed on the side surfaces of the first protection tube 2 and the second protection tube 3 , and a plurality of first fixing bolts 5 are disposed on the fixing plate 4 .

[0027] The first protection tube 2 and the second protection tube 3 are both penetrated by the first opening 7, and the first opening 7 is used to place the pipeline 1. The sealing ring assembly 9 is suitable for pipelines 1 of different materials and has strong versatility and adaptability.

[0028] A flange 10 can be placed inside the first slot 8. Sealing ring assemblies 9 are provided at both ends of the flange 10, and the flange 10 does not contact the sealing ring assemblies 9. The first protective tube 2 does not affect the installation and disassembly of the flange 10 and the pipeline 1. The diameter of the flange 10 is smaller than the diameter of the second opening 94 in the sealing ring 91. The flange 10 can also be combined with the pipeline 1 and then passed through the first opening 7, the first slot 8, and the second opening 94 in sequence and then fixed.

[0029] The flange 10 is provided with second fixing bolts 11 , and the second fixing bolts 11 are used to flange-connect the flange 10 with the pipeline 1 at both ends of the flange 10 .

[0030] The air guide tube 6 passes through the tube body of the second protective tube 3 and extends out. The air guide tube 6 is used to supply air to the airbag 93 to expand the airbag 93. The airbag 93 is made of a material with good elasticity and sealing properties, such as rubber or polymer, to ensure that the airbag 93 has a better sealing effect when inflated.

[0031] The technical solution provided by the utility model is to first place the flange 10 into the first slot 8, then insert the two pipes 1 from the first openings 7 at both ends of the second protective tube 3, assemble and connect the flange 10 and the pipe 1, then fix the first protective tube 2 and the second protective tube 3 by the first fixing bolt 5, then ventilate the airbag 93 inside the sealing ring 91 through the air guide tube 6 to expand the airbag 93 and fill the gap generated by the flange 10 and the pipe 1 placed in the first slot 8 to keep the inside sealed. The design of the sealing ring assembly 9 can effectively reduce or prevent leakage at the connection between the pipe 1 and the flange 10, improve the reliability and safety of the connection, reduce the corrosion and loss of the pipe 1 by the external environment, and extend the service life of the pipe 1.

[0032] The present invention covers any substitution, modification, equivalent method and scheme made on the essence and scope of the present invention. In order to make the public have a thorough understanding of the present invention, specific details are described in detail in the above preferred embodiments of the present invention, and those skilled in the art can fully understand the present invention without the description of these details. In addition, in order to avoid unnecessary confusion about the essence of the present invention, well-known methods, processes, procedures, components and circuits are not described in detail.

[0033] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A water conservancy project pipeline connection device, characterized in that: The invention comprises a first protective tube (2), a second protective tube (3), a first notch (8), and a sealing ring assembly (9), wherein the first protective tube (2) is arranged at the top end of the second protective tube (3), and the inner walls of the first protective tube (2) and the second protective tube (3) are both provided with the first notch (8); Sealing ring assemblies (9) are provided at both ends of the first notch (8), and the bottom ends of a plurality of the sealing ring assemblies (9) are fixedly connected to the second protective tube (3). The sealing ring assembly (9) comprises a sealing ring (91), a second notch (92), an airbag (93), and a second opening (94). The tube body of the sealing ring (91) is provided with a second notch (92), and the inner wall of the second notch (92) is provided with an airbag (93). The sealing ring (91) is penetrated by the second opening (94), and the airbag (93) is fixedly connected to the air guide tube (6).

2. The water conservancy project pipeline connection device according to claim 1, characterized in that: The sides of the first protection tube (2) and the second protection tube (3) are both provided with fixing plates (4), and the fixing plates (4) are provided with a plurality of first fixing bolts (5).

3. The water conservancy project pipeline connection device according to claim 2, characterized in that: The first protection tube (2) and the second protection tube (3) are both penetrated by a first opening (7), and the first opening (7) is used for placing the pipeline (1).

4. The water conservancy project pipeline connection device according to claim 1, characterized in that: A flange (10) can be placed inside the first notch (8), and both ends of the flange (10) are provided with sealing ring assemblies (9), and the flange (10) and the sealing ring assemblies (9) are not in contact.

5. The water conservancy project pipeline connection device according to claim 4, characterized in that: The flange (10) is provided with a second fixing bolt (11), and the second fixing bolt (11) is used to connect the flange (10) to the pipeline (1) flanges at both ends of the flange (10).

6. The water conservancy project pipeline connection device according to claim 1, characterized in that: The air guide tube (6) penetrates through the tube body of the second protection tube (3) and extends out, and the air guide tube (6) is used to supply air to the air bag (93).

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