Pipeline connecting device for water conservancy project

Abstract

The utility model discloses a pipeline connecting device for hydraulic engineering, which belongs to the technical field of pipeline connecting devices and comprises a connecting pipeline main body, a pressure relief cylinder is fixedly mounted in the middle of the front side of the connecting pipeline main body, and a sealing plate is arranged on the front side of the pressure relief cylinder. Connecting pieces are fixedly installed on the two sides of the connecting pipeline body, fixing cylinders are arranged on the two sides of each connecting piece, connecting cylinders are arranged on the side edges of the fixing cylinders, and telescopic cylinders are arranged between the fixing cylinders and the connecting cylinders. An operator can push the connecting cylinders on the two sides towards the interior of the connecting pipeline body, the telescopic cylinders are compressed, pipelines on the two sides are fixedly connected with the connecting cylinders conveniently, then the connecting cylinders on the two sides are loosened, the connecting cylinders are connected with a water pipe under the elastic acting force of the spring pieces, and only the pipeline needs to be cut to the approximate length. The device can be connected with a pipeline and is convenient to install.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline connection devices, and more specifically, to a pipeline connection device for water conservancy projects. Background Technique

[0002] A pipeline is a device connected by pipes, pipe connectors, valves, etc. for transporting gases, liquids or fluids with solid particles. Usually, after the fluid is pressurized by a blower, compressor, pump, boiler, etc., it flows from the high-pressure part of the pipeline to the low-pressure part, or it can also be transported by the pressure or gravity of the fluid itself.

[0003] During the construction of water conservancy projects, during the connection of multiple sections of pipelines, a special connection device is required between the pipelines. When connecting the pipelines, due to the traditional installation method, the pipelines need to be accurately cut to ensure smooth pipeline connection, which requires high cutting accuracy and is relatively troublesome to install. Summary of the Invention

[0004] The purpose of the utility model is to provide a pipeline connection device for water conservancy projects to solve the problems raised in the above background technique.

[0005] A pipeline connection device for water conservancy projects includes a connecting pipeline main body. A pressure relief cylinder is fixedly installed in the middle of the front side of the connecting pipeline main body. A sealing plate is arranged on the front side of the pressure relief cylinder. Connecting pieces are fixedly installed on both sides of the connecting pipeline main body. Fixed cylinders are arranged on both sides of the connecting pieces. A connecting cylinder is arranged on the side of the fixed cylinder. A telescopic cylinder is arranged between the fixed cylinder and the connecting cylinder. A diversion inner cylinder is arranged in the middle of the inner cavity of the telescopic cylinder. A rotating part is arranged at the upper end of the connecting pipeline main body. An adjusting stud is arranged in the middle of the connecting pipeline main body. A positioning bolt is threadedly installed at the upper end of the adjusting stud. The rotating part is fixedly connected with the adjusting stud. A three-way cylinder is fixedly installed at the lower end of the adjusting stud;

[0006] Threaded mounting plates are fixedly installed above both sides of the connecting pipeline main body. A fixing plate is fixedly installed at the upper end of the fixed cylinder. A connecting threaded column is fixedly installed on the side of the threaded mounting plate. The middle of the connecting threaded column passes through the outside of the fixing plate and is threadedly installed with a connecting nut.

[0007] Furthermore, the sealing plate and the pressure relief cylinder are fixedly connected by fixing bolts, and a sealing cover is fixedly installed on the front side of the sealing plate.

[0008] By adopting the above technical solution, the sealing plate can seal the front side, which is convenient for transferring and maintaining the pipeline.

[0009] Furthermore, sealing covers are respectively arranged on the inner sides of the side walls of the inner cavities of the connecting cylinder and the fixed cylinder, and the two sides of the telescopic cylinder are clamped and arranged inside the sealing covers.

[0010] By adopting the above technical solution, the telescopic cylinder can be slidably arranged inside the sealing cover, and both ends of the telescopic cylinder can move left and right inside the sealing cover, so that the length of the telescopic cylinder exposed outside can be adjusted.

[0011] Furthermore, a sealing groove is fixedly installed at the side position of the sealing cover for the connecting cylinder, and a sealing member is fixedly installed at the position of the telescopic cylinder corresponding to the sealing groove.

[0012] By adopting the above technical solution, the sealing member is clamped inside the sealing groove, which can play a certain sealing role for the connection position.

[0013] Furthermore, spring members are fixedly installed on both sides of the telescopic cylinder. The spring members are arranged inside the sealing cover, and a rubber sealing sleeve is arranged outside the spring members.

[0014] By adopting the above technical solution, the telescopic cylinder can be supported and sealed by the spring members. The rubber sealing sleeve arranged outside the spring members can prevent the spring members from rusting, and at the same time, the spring members can support and fix the telescopic cylinder.

[0015] Furthermore, a threaded mounting plate is fixedly installed in the inner cavity of the connecting member, and a threaded groove corresponding to the threaded mounting plate is opened on the side of the fixed cylinder.

[0016] By adopting the above technical solution, the fixed cylinder and the connecting member are rotationally connected through the threaded groove, which is convenient for disassembly and installation.

[0017] Furthermore, the main body of the connecting pipe is of a tee structure, and a three-way groove is opened in the middle of the three-way cylinder.

[0018] By adopting the above technical solution, the communication of the main body of the connecting pipe can be controlled through the three-way cylinder and the three-way groove.

[0019] Compared with the prior art, the advantages of the present utility model are as follows:

[0020] In the present utility model, by providing the structure of the fixed cylinder, the operator can push the connecting cylinders on both sides into the inside of the main body of the connecting pipe, so that the telescopic cylinder is compressed, which is convenient for the pipes on both sides to be fixedly connected to the connecting cylinders. Then, release the connecting cylinders on both sides. Under the elastic force of the spring members, the connecting cylinders are connected to the water pipes. Only need to cut the pipe to a rough length, and then it can be connected to the pipe through this device, which is convenient for installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0022] Figure 2 is a cross-sectional view of the overall structure of the present utility model;

[0023] Figure 3 For the present utility model Figure 2 the structure diagram at position A in

[0024] Figure 4 is the structural schematic diagram of the three-way cylinder of the present utility model.

[0025] Explanation of the reference numerals in the figure: 1. connecting cylinder; 2. telescopic cylinder; 3. fixed cylinder; 4. connecting piece; 5. pressure relief cylinder; 6. fixing bolt; 7. sealing plate; 8. sealing cover; 9. connecting nut; 10. fixing plate; 11. connecting threaded column; 12. threaded mounting plate; 13. connecting pipe main body; 14. positioning bolt; 15. rotating piece; 16. adjusting stud; 17. three-way cylinder; 18. spring piece; 19. sealing piece; 20. guide inner cylinder; 21. sealing groove; 22. three-way groove. Specific embodiments

[0026] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0027] As Figure 1 - Figure 4 shown, the embodiments of the present utility model provide: including a connecting pipe main body 13, a pressure relief cylinder 5 is fixedly installed in the middle of the front side of the connecting pipe main body 13, a sealing plate 7 is arranged on the front side of the pressure relief cylinder 5, connecting pieces 4 are fixedly installed on both sides of the connecting pipe main body 13, fixed cylinders 3 are arranged on both sides of the connecting piece 4, a connecting cylinder 1 is arranged on the side of the fixed cylinder 3, a telescopic cylinder 2 is arranged between the fixed cylinder 3 and the connecting cylinder 1, a guide inner cylinder 20 is arranged in the middle of the inner cavity of the telescopic cylinder 2, a rotating piece 15 is arranged at the upper end of the connecting pipe main body 13, an adjusting stud 16 is arranged in the middle of the connecting pipe main body 13, a positioning bolt 14 is threadedly installed at the upper end of the adjusting stud 16, the rotating piece 15 and the adjusting stud 16 are fixedly connected, and a three-way cylinder 17 is fixedly installed at the lower end of the adjusting stud 16;

[0028] Threaded mounting plates 12 are fixedly installed above both sides of the connecting pipe main body 13, fixing plates 10 are fixedly installed at the upper ends of the fixed cylinders 3, connecting threaded columns 11 are fixedly installed on the sides of the threaded mounting plates 12, and connecting nuts 9 are threadedly installed through the outer sides of the fixing plates 10 in the middle of the connecting threaded columns 11;

[0029] The sealing plate 7 and the pressure relief cylinder 5 are fixedly connected by fixing bolts 6. A sealing cover 8 is fixedly installed on the front side of the sealing plate 7. The sealing plate 7 can seal the front side, facilitating the connection and maintenance of the pipeline.

[0030] Sealing covers 8 are provided on the inner side edges of the connection cylinder 1 and the fixing cylinder 3. The two sides of the telescopic cylinder 2 are clamped and arranged inside the sealing covers 8. The telescopic cylinder 2 can be slidably arranged inside the sealing covers 8. The two ends of the telescopic cylinder 2 can move left and right inside the sealing covers 8, so as to adjust the length of the telescopic cylinder 2 exposed outside.

[0031] A sealing groove 21 is fixedly installed at the side position of the connection cylinder 1 where the sealing cover 8 is located. A sealing member 19 is fixedly installed at the position of the telescopic cylinder 2 where the sealing groove 21 is located. The sealing member 19 is clamped inside the sealing groove 21, which can play a certain sealing role for the connection position.

[0032] Spring members 18 are fixedly installed on both sides of the telescopic cylinder 2. The spring members 18 are arranged inside the sealing covers 8. A rubber sealing sleeve is arranged outside the spring members 18. The spring members 18 can support and seal the telescopic cylinder 2. The rubber sealing sleeve arranged outside the spring members 18 can prevent the spring members 18 from rusting. At the same time, the spring members 18 can support and fix the telescopic cylinder 2.

[0033] A threaded mounting plate 12 is fixedly installed inside the cavity of the connecting member 4. A threaded groove corresponding to the threaded mounting plate 12 is provided on the side of the fixing cylinder 3. The fixing cylinder 3 and the connecting member 4 are rotationally connected through the threaded groove, which is convenient for disassembly and installation.

[0034] The connecting pipeline main body 13 is of a three-way structure. A three-way groove 22 is provided in the middle of the three-way cylinder 17. The connection of the connecting pipeline main body 13 can be controlled through the three-way cylinder 17 and the three-way groove 22.

[0035] The working principle of the present utility model: When installers install the pipeline, they only need to cut the pipeline to a rough length, and then compress the connection cylinders 1 on both sides towards the connecting pipeline main body 13. At this time, the spring members 18 at both ends of the telescopic cylinder 2 are compressed, and the telescopic cylinder 2 is inserted into the connection cylinder 1 and the fixing cylinder 3. Then, align the pipeline with the connection cylinder 1 position. After loosening the connection cylinders 1 on both sides, the connection cylinders 1 will be connected to the pipelines on both sides. When using this device to connect the pipeline, only need to cut the pipeline to a rough length, and then it can be quickly connected to the pipeline through this device, which is convenient for installation. At this time, the connection cylinders 1 on both sides are fixedly connected to the connecting pipeline main body 13. The operator can remove the entire sealing plate 7 by using the fixing bolts 6. Connect the third water pipe at the position of the pressure relief cylinder 5. By rotating the rotating member 15, the orientation of the three-way groove 22 in the middle of the three-way cylinder 17 can be adjusted, so as to adjust the connection and closing of the water pipe at the pressure relief cylinder 5.

[0036] The foregoing has shown and described the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and the descriptions in the specification are only preferred examples of the present utility model, and are not used to limit the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements fall within the scope of the present utility model claimed.

Claims

1. A pipe connection device for a water conservancy project, comprising a connecting pipe body (13), characterized in that: A pressure relief cylinder (5) is fixedly installed in the middle of the front side of the connecting pipe body (13), and a sealing plate (7) is arranged on the front side of the pressure relief cylinder (5). Connecting pieces (4) are fixedly installed on both sides of the connecting pipe body (13), and fixed cylinders (3) are arranged on both sides of the connecting piece (4). A connecting cylinder (1) is arranged on the side of the fixed cylinder (3), and a telescopic cylinder (2) is arranged between the fixed cylinder (3) and the connecting cylinder (1). A flow guide inner cylinder (20) is arranged in the middle of the inner cavity of the telescopic cylinder (2). A rotating piece (15) is arranged at the upper end of the connecting pipe body (13), and an adjusting stud (16) is arranged in the middle of the connecting pipe body (13). A positioning bolt (14) is threadedly installed on the upper end of the adjusting stud (16). The rotating piece (15) and the adjusting stud (16) are fixedly connected, and a three-way cylinder (17) is fixedly installed on the lower end of the adjusting stud (16); Threaded mounting plates (12) are fixedly mounted on the upper sides of the connecting pipe body (13); a fixing plate (10) is fixedly mounted on the upper end of the fixing cylinder (3); a connecting threaded column (11) is fixedly mounted on the side of the threaded mounting plate (12); and a connecting nut (9) is threadedly mounted on the middle portion of the connecting threaded column (11) through the outer side of the fixing plate (10).

2. A pipe connection device for water conservancy projects according to claim 1, characterized in that: The sealing plate (7) and the pressure relief cylinder (5) are fixedly connected via fixing bolts (6), and a sealing cover (8) is fixedly mounted on the front side of the sealing plate (7).

3. A pipe connection device for water conservancy projects according to claim 1, characterized in that: The inner cavity sides of the connecting tube (1) and the fixed tube (3) are both provided with sealing covers (8), and the peripheries of both sides of the telescopic tube (2) are clamped and arranged inside the sealing covers (8).

4. A pipe connection device for water conservancy projects according to claim 1, characterized in that: The connecting tube (1) is fixedly mounted with a sealing groove (21) at a side position of the sealing cover (8), and the telescopic tube (2) is fixedly mounted with a sealing member (19) at a position of the sealing groove (21).

5. A pipe connection device for water conservancy engineering according to claim 1, characterized in that: Spring components (18) are fixedly mounted on both sides of the telescopic cylinder (2); the spring components (18) are arranged inside the sealing cover (8); and a rubber sealing sleeve is arranged outside the spring components (18).

6. A pipe connection device for water conservancy engineering according to claim 1, characterized in that: A threaded mounting plate (12) is fixedly mounted in the inner cavity of the connecting piece (4), and a threaded groove corresponding to the threaded mounting plate (12) is formed on the side of the fixing cylinder (3).

7. A pipe connection device for water conservancy engineering according to claim 1, characterized in that: The connecting pipe body (13) is a three-way structure, and a three-way groove (22) is provided in the middle of the three-way cylinder (17).

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