Four-way structure for pipeline connection

Abstract

The utility model provides a four-way structure for pipeline connection, which comprises a welding-free four-way structure and is characterized in that an operation pipe is integrally connected to an opening on the middle upper side of the welding-free four-way structure, the upper end of the operation pipe is integrally connected with a mounting flange, and the upper part of the mounting flange is hermetically, detachably and fixedly connected with a plugging cover; a cover cake is installed on the upper side in the operation pipe. Due to the arrangement of the upper hemisphere, the upper clamping plate, the upper connecting plate, the lower hemisphere, the lower clamping plate, the lower connecting plate, the connecting pipe, the butt joint pipe and the butt joint flange, the effect of welding-free installation of the four-way structure is achieved, and therefore the four-way structure can be replaced when damaged, and the problem that a pipeline cannot be continuously used can be solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of pipeline connection, and in particular relates to a four-way structure used for pipeline connection. Background Art

[0002] The four-way structure for pipeline connection is a device that can connect the main pipeline and the branch pipeline under pressure. When in use, the four-way structure can be welded under pressure to the existing pipeline and connected to the newly built branch pipeline. A pressure test is performed to detect the installation quality of the newly built branch pipeline and the four-way structure. Then, a hole punching machine is installed on the four-way structure to make the hole punching machine drill holes in the main pipeline under pressure, so that the newly built branch pipeline can be connected to the main pipeline. Subsequently, a plug can be installed in the upper mouth of the four-way pipe fitting, and the head can be welded to complete the installation of the four-way structure. This type of four-way structure still has some problems in actual use. For example, it needs to be fixed by welding during installation. Therefore, when the four-way structure is damaged, the four-way structure is difficult to disassemble, which may cause the pipeline to be unable to continue to be used. Utility Model Content

[0003] In order to solve the above-mentioned technical problems, the utility model provides a four-way structure for pipeline connection, which can achieve the effect of installing the four-way structure without welding, so that when the four-way structure is damaged, it can be replaced, thereby avoiding the problem of the pipeline being unable to continue to be used.

[0004] The technical solution is as follows: a four-way structure for pipe connection, including a welding-free four-way structure, characterized in that an operating pipe is integrally connected to the middle upper opening of the welding-free four-way structure, and an installation flange is integrally connected to the upper end of the operating pipe, wherein the upper seal of the installation flange is detachably fixedly connected with a blocking cover; a cover cake is installed on the inner upper side of the operating pipe.

[0005] Preferably, the welding-free four-way structure includes an upper hemisphere, and the left and right openings of the upper hemisphere are respectively integrated with upper clamping plates; the front and rear sides of the upper hemisphere are also respectively integrated with upper connecting plates, and the inner sides of the upper connecting plates are respectively integrated with the front and rear sides of the upper clamping plates; a lower hemisphere is provided on the lower side of the upper hemisphere, and the left and right openings of the lower hemisphere are respectively integrated with lower clamping plates; the front and rear sides of the lower hemisphere are respectively integrated with lower connecting plates, and the inner sides of the lower connecting plates are respectively integrated with the front and rear sides of the lower clamping plates; the upper connecting plates are respectively sealed and detachably fixedly connected to the lower connecting plates; a connecting pipe is integrated with the middle and lower opening of the lower hemisphere, and a butt pipe is provided at the lower end of the connecting pipe, wherein the middle and upper opening of the butt pipe is integrally connected with the lower end of the connecting pipe; the front and rear ends of the butt pipe are respectively integrated with docking flanges.

[0006] Compared with the prior art, the beneficial effects of the utility model are:

[0007] In the utility model, the arrangement of the upper hemisphere, the upper clamping plate, the upper connecting plate, the lower hemisphere, the lower clamping plate, the lower connecting plate, the connecting pipe, the butt pipe and the butt flange is conducive to achieving the effect of installing the four-way structure without welding, so that when the four-way structure is damaged, it can be replaced, thereby avoiding the problem that the pipeline cannot be used any further. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 It is a structural schematic diagram of the utility model;

[0009] Figure 2 It is a partial schematic diagram of the utility model;

[0010] Figure 3 It is a structural schematic diagram of the welding-free four-way structure of the utility model.

[0011] In the figure:

[0012] 1. Welding-free four-way structure; 11. Upper hemisphere; 12. Upper clamping plate; 13. Upper connecting plate; 14. Lower hemisphere; 15. Lower clamping plate; 16. Lower connecting plate; 17. Connecting pipe; 18. Butt pipe; 19. Butt flange; 2. Operating pipe; 3. Mounting flange; 4. Sealing cover; 5. Cover cake. DETAILED DESCRIPTION

[0013] The utility model is described in detail below in conjunction with the accompanying drawings. Figure 1 and attached Figure 2 As shown, a four-way structure for pipe connection includes a welding-free four-way structure 1, an operating pipe 2 is integrally connected to the middle upper opening of the welding-free four-way structure 1, and a mounting flange 3 is integrally connected to the upper end of the operating pipe 2, wherein the upper seal of the mounting flange 3 is detachably fixedly connected with a blocking cover 4; a cover cake 5 is installed on the inner upper side of the operating pipe 2, which is conducive to achieving the effect of welding-free installation of the four-way structure, so that when the four-way structure is damaged, it can be replaced, thereby avoiding the problem of the pipeline being unable to continue to be used.

[0014] In this embodiment, combined with the Figure 3As shown, the welding-free four-way structure 1 includes an upper hemispherical body 11, and upper clamping plates 12 are respectively integrated and connected at the left and right openings of the upper hemispherical body 11; upper connecting plates 13 are also respectively integrated and connected at the front and rear sides of the upper hemispherical body 11, and the inner sides of the upper connecting plates 13 are respectively integrated and connected with the front and rear sides of the upper clamping plates 12; a lower hemispherical body 14 is provided on the lower side of the upper hemispherical body 11, and lower clamping plates 15 are respectively integrated and connected at the left and right openings of the lower hemispherical body 14; the front and rear sides of the lower hemispherical body 14 are respectively integrated and connected with the front and rear sides of the upper clamping plates 12; The lower hemisphere 14 is integrally connected with a lower connecting plate 16, and the inner side of the lower connecting plate 16 is integrally connected with the front and rear sides of the lower clamping plate 15; the upper connecting plate 13 is sealed and detachably fixedly connected with the lower connecting plate 16; the middle and lower opening of the lower hemisphere 14 is integrally connected with a connecting pipe 17, and the lower end of the connecting pipe 17 is provided with a butt pipe 18, wherein the middle and upper opening of the butt pipe 18 is integrally connected with the lower end of the connecting pipe 17; the front and rear ends of the butt pipe 18 are respectively integrally connected with docking flanges 19.

[0015] In this embodiment, specifically, the lower end of the operating tube 2 is integrally connected to the middle upper opening of the upper hemisphere 11 .

[0016] In this embodiment, specifically, the upper hemisphere 11 and the lower hemisphere 14 are respectively made of alloy steel hemispheres.

[0017] In this embodiment, specifically, the upper clamping plate 12 and the lower clamping plate 15 are respectively made of arc-shaped alloy steel plates that are compatible with the outer wall of the main pipeline.

[0018] In this embodiment, specifically, the blocking cover 4 is an alloy steel cover matched with the upper part of the mounting flange 3 .

[0019] In this embodiment, when installing the four-way structure, the operator can first place the upper hemisphere 11 on the upper side of the outer wall of the main pipe, and then place the lower hemisphere 14 on the lower side of the outer wall of the main pipe. Then, the operator can fix the upper connecting plate 13 and the lower connecting plate 16 by bolt connection. At this time, the upper clamping plate 12 and the lower clamping plate 15 will clamp the main pipe. During the installation process, the operator can place a rubber layer on the inner side of the upper clamping plate 12 and the lower clamping plate 15 to seal the gap between the main pipe and the upper clamping plate 12 and the lower clamping plate 15. At the same time, it is also necessary to fix the upper connecting plate 13 and the lower clamping plate 15 on the upper connecting plate 13. A rubber layer is placed between the upper connecting plate 13 and the lower connecting plate 16 to seal the gap between the upper connecting plate 13 and the lower connecting plate 16. Then the operator can seal and fix the branch pipes on the docking flanges 19 respectively, thereby completing the installation of the four-way structure. Compared with the prior art, the utility model does not require welding during the installation process. It only needs to fasten the upper connecting plate 13 and the lower connecting plate 16 with detachable fasteners, thereby achieving the effect of welding-free installation of the four-way structure. When the four-way structure is damaged, it can be replaced, thereby avoiding the problem of the pipeline being unable to continue to be used.

[0020] Utilizing the technical solution described in the utility model, or those skilled in the art designing similar technical solutions inspired by the technical solution of the utility model to achieve the above-mentioned technical effects, all fall within the protection scope of the utility model.

Claims

1. A four-way structure for pipeline connection, characterized in that: The four-way structure for pipeline connection comprises a welding-free four-way structure (1), an operating pipe (2) is integrally connected to the middle upper opening of the welding-free four-way structure (1), and a mounting flange (3) is integrally connected to the upper end of the operating pipe (2), wherein a sealing cover (4) is detachably fixedly connected to the upper part of the mounting flange (3); and a cover cake (5) is installed on the inner upper side of the operating pipe (2).

2. The four-way structure for pipe connection according to claim 1, characterized in that: The welding-free four-way structure (1) comprises an upper hemisphere (11), and upper clamping plates (12) are respectively connected to the left and right openings of the upper hemisphere (11); upper connecting plates (13) are respectively connected to the front and rear sides of the upper hemisphere (11), and the inner side of the upper connecting plate (13) is respectively connected to the front and rear sides of the upper clamping plate (12); a lower hemisphere (14) is arranged on the lower side of the upper hemisphere (11), and lower clamping plates (15) are respectively connected to the left and right openings of the lower hemisphere (14); the front and rear sides of the lower hemisphere (14) are respectively connected to the A lower connecting plate (16) is integrally connected, and the inner side of the lower connecting plate (16) is integrally connected to the front and rear sides of the lower clamping plate (15); the upper connecting plate (13) is sealed and detachably fixedly connected to the lower connecting plate (16); a connecting pipe (17) is integrally connected to the middle and lower opening of the lower hemisphere (14), and a butt pipe (18) is arranged at the lower end of the connecting pipe (17), wherein the middle and upper opening of the butt pipe (18) is integrally connected to the lower end of the connecting pipe (17); and the front and rear ends of the butt pipe (18) are integrally connected to butt flanges (19).

3. The four-way structure for pipe connection according to claim 2, characterized in that: The lower end of the operating tube (2) is integrally connected to the upper middle opening of the upper hemisphere (11).

4. The four-way structure for pipe connection according to claim 3, characterized in that: The upper hemisphere (11) and the lower hemisphere (14) are respectively made of alloy steel hemispheres.

5. The four-way structure for pipe connection according to claim 4, characterized in that: The upper clamping plate (12) and the lower clamping plate (15) are respectively made of arc-shaped alloy steel plates that match the outer wall of the main pipeline.

6. The four-way structure for pipeline connection according to claim 5, characterized in that: The blocking cover (4) is an alloy steel cover matched with the upper part of the mounting flange (3).

Images