Glass fiber reinforced plastic straight pipe tee joint

Abstract

The utility model discloses a glass fiber reinforced plastic straight pipe tee joint which comprises a main pipe, the front end of the main pipe is fixedly connected with a branch pipe, the branch pipe is communicated with the main pipe, the side end of the main pipe is fixedly connected with a first installation ring, and the side end of the branch pipe is fixedly connected with a second installation ring and a third installation ring. The main pipeline, the branch pipes, the installation rings, the bolts and the nuts form an installation structure, the structure is stable and firm, disassembly and assembly are convenient, and overhaul and maintenance of the straight pipe tee joint are facilitated; an internal and external sealing structure is formed by the main pipeline, the branch pipe, the limiting ring, the pipe sleeve, the mounting ring and the sealing ring, the interior and the exterior of the pipeline connecting position are sealed, the area of the sealing face is increased, and the sealing effect is better; a protection structure is formed by the glass fiber layer and the resin layer, so that the strength and the corrosion resistance of the pipeline are enhanced, and the durability and the protection property of the straight pipe tee joint are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of tee pipes, in particular to a glass fiber reinforced plastic straight pipe tee. Background Art

[0002] When the existing FRP straight pipe tee is installed, the sealing surface at the connection is insufficient, the sealing inside and outside of the pipe is not sufficient, and the sealing effect is limited, which will affect the quality of the straight pipe tee, easily cause leakage, and is not conducive to the normal use of the straight pipe tee. A Chinese patent discloses an "epoxy FRP reducing tee", and its application number is "CN202021929113.7". A fastening disk is provided on the existing FRP reducing tee. Through the four sets of bolts and threaded grooves on the fastening disk, when the reducing tee needs to be connected and installed, the fastening disk can be directly connected to the external connecting pipe, which can effectively avoid unnecessary damage to the steel pipe. By providing a fixing frame and an adjusting bolt, the steel pipe can be fixed for a second time after installation. A graphite layer, rubber and anti-slip device are provided on the FRP body, which can not only improve the service life of the reducing tee, but also make the installation of the steel pipe more convenient and quick. However, the sealing surface area of ​​the sealing structure at the installation connection of the straight pipe tee is insufficient, making it difficult to achieve a good sealing effect. Utility Model Content

[0003] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art and to provide a fiberglass straight pipe tee, which has an installation structure composed of a main pipe, a branch pipe, a mounting ring, bolts and nuts. The structure is stable and firm, and is easy to assemble and disassemble, which is conducive to the inspection and maintenance of the straight pipe tee; the main pipe, the branch pipe, the limit ring, the pipe sleeve, the mounting ring and the sealing ring form an internal and external sealing structure, which seals the inside and outside of the pipe connection, increases the area of ​​the sealing surface, and has a better sealing effect; the glass fiber layer and the resin layer form a protective structure, which enhances the strength and corrosion resistance of the pipe.

[0004] The utility model also provides the above-mentioned glass fiber reinforced plastic straight pipe tee, comprising: a main pipe, the front end of the main pipe is fixedly connected to a branch pipe, the branch pipe is connected to the main pipe, the side end of the main pipe is fixedly connected to a first mounting ring, the side end of the branch pipe is fixedly connected to a second mounting ring and a third mounting ring; a first pipe sleeve, a second pipe sleeve and a third pipe sleeve, the side end of the first pipe sleeve is sleeved with a first sealing ring, the side end of the first pipe sleeve is fixedly connected to a fourth mounting ring, the fourth mounting ring is fixedly connected to the first sealing ring and the first mounting ring through a first bolt and a first nut, the side end of the second pipe sleeve is sleeved with a second sealing ring, the side end of the second pipe sleeve is fixedly connected to a fifth mounting ring, the fifth mounting ring is fixedly connected to the second sealing ring and the second mounting ring through a second bolt and a second nut, the side end of the third pipe sleeve is sleeved with a third sealing ring, the side end of the third pipe sleeve is fixedly connected to a sixth mounting ring, the sixth mounting ring is fixedly connected to the third sealing ring and the third mounting ring through a third bolt and a third nut.

[0005] According to the glass fiber reinforced plastic straight pipe tee of the utility model, a first limiting ring is fixedly connected to the side inner wall of the main pipe, which facilitates the sealing of the interior of the main pipe and improves the sealing effect.

[0006] According to the fiberglass straight pipe tee described in the utility model, a second limiting ring and a third limiting ring are fixedly connected to the side inner wall of the branch pipe. The second limiting ring is located at the left end of the branch pipe, and the third limiting ring is located at the right end of the branch pipe. This facilitates sealing inside the branch pipe and improves the sealing effect.

[0007] According to the glass fiber reinforced plastic straight pipe tee of the present invention, the end of the first pipe sleeve close to the branch pipe abuts against the first limiting ring, which is conducive to stable sealing inside the main pipe.

[0008] According to the fiberglass straight pipe tee of the present invention, the end of the second pipe sleeve close to the main pipe abuts against the second limiting ring, and the end of the third pipe sleeve close to the main pipe abuts against the third limiting ring, which is conducive to stable sealing inside the branch pipe.

[0009] According to the fiberglass straight pipe tee of the utility model, the inner walls of the first, second, and third pipe sleeves are sequentially provided with glass fiber layers and resin layers from the outside to the inside, and the inner surface of the glass fiber layer is bonded to the outer surface of the resin layer, thereby improving the strength and corrosion resistance of the pipe.

[0010] According to the fiberglass straight pipe tee of the present invention, the first sealing ring is located between the first mounting ring and the fourth mounting ring, and the first sealing ring abuts against the first mounting ring and the fourth mounting ring, which is conducive to stable sealing of the main pipeline.

[0011] According to the fiberglass straight pipe tee of the present invention, the second sealing ring is located between the second mounting ring and the fifth mounting ring, and the second sealing ring abuts against the second mounting ring and the fifth mounting ring, which is conducive to stable sealing of the branch pipe.

[0012] According to the fiberglass straight pipe tee of the present invention, the third sealing ring is located between the third mounting ring and the sixth mounting ring, and the third sealing ring abuts against the third mounting ring and the sixth mounting ring, which is beneficial to the stable sealing of the branch pipe.

[0013] Beneficial effects:

[0014] 1. Compared with the existing technology, this fiberglass straight pipe tee has an installation structure composed of a main pipe, a branch pipe, a mounting ring, bolts and nuts. The structure is stable and firm, and it is easy to disassemble and assemble, which is conducive to the inspection and maintenance of the straight pipe tee.

[0015] 2. Compared with the existing technology, this FRP straight pipe tee has an internal and external sealing structure composed of the main pipe, branch pipe, limit ring, pipe sleeve, mounting ring and sealing ring, which seals the inside and outside of the pipe connection, increases the area of ​​the sealing surface, and has a better sealing effect;

[0016] 3. Compared with the existing technology, this fiberglass straight pipe tee has a protective structure formed by a glass fiber layer and a resin layer, which enhances the strength and corrosion resistance of the pipeline. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0018] Figure 1 This is a structural diagram of a glass fiber reinforced plastic straight pipe tee of the utility model;

[0019] Figure 2 This is a schematic diagram of the top view of a glass fiber reinforced plastic straight pipe tee of the utility model;

[0020] Figure 3 This is a schematic diagram of the longitudinal three-dimensional cross-sectional structure of a branch pipe of a glass fiber reinforced plastic straight pipe tee according to the present invention;

[0021] Figure 4 The utility model is a schematic diagram of the longitudinal three-dimensional cross-sectional structure of the main pipeline of a glass fiber reinforced plastic straight pipe tee.

[0022] Legend:

[0023] 1. Main pipe; 2. First mounting ring; 3. First sealing ring; 4. Fourth mounting ring; 5. First pipe sleeve; 6. First bolt; 7. First nut; 8. Second bolt; 9. Second pipe sleeve; 10. Fifth mounting ring; 11. Second sealing ring; 12. Second mounting ring; 13. Branch pipe; 14. Third mounting ring; 15. Third sealing ring; 16. Sixth mounting ring; 17. Third pipe sleeve; 18. Glass fiber layer; 19. Resin layer; 20. Third bolt; 21. Third nut; 22. Second limiting ring; 23. Third limiting ring; 24. First limiting ring; 25. Second nut. DETAILED DESCRIPTION

[0024] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0025] Reference Figure 1-4 , the utility model embodiment is a glass fiber reinforced plastic straight pipe tee, which includes: a main pipe 1, the front end of the main pipe 1 is fixedly connected to a branch pipe 13, which is used to guide the fluid to flow in different directions, the branch pipe 13 is connected to the main pipe 1, the side end of the main pipe 1 is fixedly connected to a first mounting ring 2 for installation and fixation, the side end of the branch pipe 13 is fixedly connected to a second mounting ring 12 and a third mounting ring 14 for installation and fixation, the side inner wall of the main pipe 1 is fixedly connected to a first limiting ring 24 for sealing the interior of the main pipe 1, the side inner wall of the branch pipe 13 is fixedly connected to a second limiting ring 22 and a third limiting ring 23 for sealing the interior of the branch pipe 13, the second limiting ring 22 is located at the left end of the branch pipe 13, and the third limiting ring 23 is located at the right end of the branch pipe 13;

[0026] The first pipe sleeve 5, the second pipe sleeve 9 and the third pipe sleeve 17, the side end of the first pipe sleeve 5 is sleeved with a first sealing ring 3 to seal the outside of the main pipe 1, the side end of the first pipe sleeve 5 is fixedly connected to the fourth mounting ring 4 for installation and fixation, the fourth mounting ring 4 is fixedly connected to the first sealing ring 3 and the first mounting ring 2 by a first bolt 6 and a first nut 7, the end of the first pipe sleeve 5 close to the branch pipe 13 abuts against the first limiting ring 24, the first sealing ring 3 is located between the first mounting ring 2 and the fourth mounting ring 4, the first sealing ring 3 abuts against the first mounting ring 2 and the fourth mounting ring 4, the side end of the second pipe sleeve 9 is sleeved with a second sealing ring 11 to seal the outside of the branch pipe 13, the side end of the second pipe sleeve 9 is fixedly connected to the fifth mounting ring 10 for installation and fixation, the fifth mounting ring 10 is fixedly connected to the second sealing ring 11 and the second mounting ring 12 by a second bolt 8 and a second nut 25, the end of the second pipe sleeve 9 close to the main pipe 1 abuts against the second limiting ring 22, the first The second sealing ring 11 is located between the second mounting ring 12 and the fifth mounting ring 10, and the second sealing ring 11 abuts against the second mounting ring 12 and the fifth mounting ring 10. The side end of the third pipe sleeve 17 is sleeved with the third sealing ring 15 to seal the outside of the branch pipe 13. The side end of the third pipe sleeve 17 is fixedly connected to the sixth mounting ring 16 for installation and fixation. The sixth mounting ring 16 is fixedly connected to the third sealing ring 15 and the third mounting ring 14 by a third bolt 20 and a third nut 21. The end of the third pipe sleeve 17 close to the main pipe 1 abuts against the third limiting ring 23. The third sealing ring 15 is located between the third mounting ring 14 and the sixth mounting ring 16. The third sealing ring 15 abuts against the third mounting ring 14 and the sixth mounting ring 16. The side inner walls of the first pipe sleeve 5, the second pipe sleeve 9 and the third pipe sleeve 17 are sequentially provided with a glass fiber layer 18 and a resin layer 19 from the outside to the inside. As a hierarchical structure of the pipeline, the inner surface of the glass fiber layer 18 is in contact with the outer surface of the resin layer 19.

[0027] Working Principle: To install the FRP straight pipe tee, insert the first pipe sleeve 5 into the main pipe 1 and secure it with the first mounting ring 2, the fourth mounting ring 4, the first bolt 6 and the first nut 7. Insert the second pipe sleeve 9 into the left end of the branch pipe 13 and secure it with the second mounting ring 12, the fifth mounting ring 10, the second bolt 8 and the second nut 25. Insert the third pipe sleeve 17 into the right end of the branch pipe and secure it with the third mounting ring 14, the sixth mounting ring 16, the third bolt 20 and the third nut 21. The first limiting ring 24 will seal the inside of the main pipe 1, the first sealing ring 3 will seal the outside of the main pipe 1, the second limiting ring 22 and the third limiting ring 23 will seal the inside of the branch pipe 13, and the second sealing ring 11 and the third sealing ring 15 will seal the outside of the branch pipe 13.

[0028] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A glass fiber reinforced plastic straight pipe tee, characterized in that: include: A main pipeline (1), wherein the front end of the main pipeline (1) is fixedly connected to a branch pipe (13), the branch pipe (13) is communicated with the main pipeline (1), the side end of the main pipeline (1) is fixedly connected to a first mounting ring (2), and the side end of the branch pipe (13) is fixedly connected to a second mounting ring (12) and a third mounting ring (14); A first pipe sleeve (5), a second pipe sleeve (9) and a third pipe sleeve (17), wherein the side end of the first pipe sleeve (5) is sleeved with a first sealing ring (3), the side end of the first pipe sleeve (5) is fixedly connected with a fourth mounting ring (4), the fourth mounting ring (4) is fixedly connected to the first sealing ring (3) and the first mounting ring (2) through a first bolt (6) and a first nut (7), the side end of the second pipe sleeve (9) is sleeved with a second sealing ring (11), the side end of the second pipe sleeve (9) is fixedly connected with a fifth mounting ring (4), and the fourth mounting ring (4) is fixedly connected to the first sealing ring (3) and the first mounting ring (2) through a first bolt (6) and a first nut (7). The fifth mounting ring (10) is fixedly connected to the second sealing ring (11) and the second mounting ring (12) through a second bolt (8) and a second nut (25); the side end of the third pipe sleeve (17) is sleeved with the third sealing ring (15); the side end of the third pipe sleeve (17) is fixedly connected to the sixth mounting ring (16); the sixth mounting ring (16) is fixedly connected to the third sealing ring (15) and the third mounting ring (14) through a third bolt (20) and a third nut (21).

2. A glass fiber reinforced plastic straight pipe tee according to claim 1, characterized in that: A first limiting ring (24) is fixedly connected to the inner side wall of the main pipe (1).

3. The glass fiber reinforced plastic straight pipe tee according to claim 1, characterized in that: A second limiting ring (22) and a third limiting ring (23) are fixedly connected to the side inner wall of the branch pipe (13), wherein the second limiting ring (22) is located at the left end of the branch pipe (13), and the third limiting ring (23) is located at the right end of the branch pipe (13).

4. The glass fiber reinforced plastic straight pipe tee according to claim 1, characterized in that: One end of the first pipe sleeve (5) close to the branch pipe (13) abuts against the first limiting ring (24).

5. The glass fiber reinforced plastic straight pipe tee according to claim 1, characterized in that: One end of the second pipe sleeve (9) close to the main pipe (1) abuts against the second limiting ring (22), and one end of the third pipe sleeve (17) close to the main pipe (1) abuts against the third limiting ring (23).

6. The glass fiber reinforced plastic straight pipe tee according to claim 1, characterized in that: The side inner walls of the first pipe sleeve (5), the second pipe sleeve (9) and the third pipe sleeve (17) are sequentially provided with a glass fiber layer (18) and a resin layer (19) from the outside to the inside, and the inner surface of the glass fiber layer (18) is in contact with the outer surface of the resin layer (19).

7. The glass fiber reinforced plastic straight pipe tee according to claim 1, characterized in that: The first sealing ring (3) is located between the first mounting ring (2) and the fourth mounting ring (4), and the first sealing ring (3) is in contact with the first mounting ring (2) and the fourth mounting ring (4).

8. The glass fiber reinforced plastic straight pipe tee according to claim 1, characterized in that: The second sealing ring (11) is located between the second mounting ring (12) and the fifth mounting ring (10), and the second sealing ring (11) is in contact with the second mounting ring (12) and the fifth mounting ring (10).

9. The glass fiber reinforced plastic straight pipe tee according to claim 1, characterized in that: The third sealing ring (15) is located between the third mounting ring (14) and the sixth mounting ring (16), and the third sealing ring (15) abuts against the third mounting ring (14) and the sixth mounting ring (16).

Images