Glass fiber reinforced plastic pipeline connecting piece

By designing fiberglass pipe connections, using fiberglass flanges and a variety of sealing components, the problem of easy leakage at the existing fiberglass pipe connections is solved, and the stable and sealing connection effect is achieved.

CN222616314UActive Publication Date: 2025-03-14SHENYANG HUAFEI PIPE IND CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421521396.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-28
Publication Date
2025-03-14
Estimated Expiration
2034-06-28

AI Technical Summary

Technical Problem

The existing fiberglass pipes lack external connections when connecting, which leads to easy leakage at the flange, especially when environmental changes are changed, performance deteriorates and poor sealing.

Method used

A fiberglass pipe connection piece is designed to connect two fiberglass pipes through fiberglass flanges, and uses sleeves, fixing cylinders, sealing hollow cylinders, plug plates and support cylinders, combined with sealing glue to ensure the sealing of the connection.

Benefits of technology

Through this connection, the stability and sealing of fiberglass pipe connections are ensured, leakage problems are avoided, and practicality and strength of use are improved.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222616314U_ABST
    Figure CN222616314U_ABST
Patent Text Reader

Abstract

The utility model discloses a glass fiber reinforced plastic pipeline connecting piece which comprises a first glass fiber reinforced plastic pipe, a second glass fiber reinforced plastic pipe and two glass fiber reinforced plastic flanges, the outer wall of a fixing cylinder is in threaded connection with a sealing hollow cylinder, a blocking plate is fixedly assembled at the end of the inner wall of the sealing hollow cylinder, and the inner wall of the blocking plate is fixedly communicated with a supporting cylinder. The supporting cylinder is connected to the outer wall of the first glass steel pipe in a sleeving mode, sealant is filled between the supporting cylinder and the first glass steel pipe, the two glass steel pipes are connected through the glass steel flange, the connection stability is guaranteed, the sleeve and the fixing cylinder are used in cooperation, it can be guaranteed that one end of the second glass steel pipe is sealed, and meanwhile the sealing hollow cylinder is used in a matched mode. The sealing performance of the joint of the glass fiber reinforced plastic flanges can be guaranteed, the sealing hollow cylinder can stably move on the outer wall of the first glass fiber reinforced plastic pipe through cooperation of the blocking plate and the supporting cylinder, meanwhile, the better sealing effect can be guaranteed through the effect of the sealant, and the sealing structure is convenient to use and high in practicability.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of glass fiber reinforced plastic pipelines, in particular to a glass fiber reinforced plastic pipeline connector. Background Art

[0002] FRP pipes, also known as glass fiber reinforced plastic pipes, are pipes made of a composite material of glass fiber and resin. This pipe combines the high strength of glass fiber with the corrosion resistance of resin, making it an ideal replacement for metal pipes in many industrial applications. However, they also have some limitations, such as performance degradation at extreme temperatures and the need for special connection techniques in some cases. When connecting existing FRP pipes, there are no external connectors, so when the environment changes, the flanges are prone to leakage, which is poor in practicality. Utility Model Content

[0003] The purpose of the utility model is to provide a glass fiber reinforced plastic pipe connector to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a glass fiber reinforced plastic pipe connector, comprising a first glass fiber reinforced plastic pipe, a second glass fiber reinforced plastic pipe and two glass fiber reinforced plastic flanges, the end of the first glass fiber reinforced plastic pipe is equipped with a glass fiber reinforced plastic flange, the end of the second glass fiber reinforced plastic pipe is equipped with a glass fiber reinforced plastic flange, the two glass fiber reinforced plastic flanges are connected by bolts, the outer wall of the second glass fiber reinforced plastic pipe is fixedly equipped with a sleeve, the end of the sleeve is fixedly connected with a fixed cylinder, the outer wall of the fixed cylinder is screwed with a sealed hollow cylinder, the inner wall end of the sealed hollow cylinder is fixedly equipped with a plugging plate, and the inner wall of the plugging plate is fixedly connected with a support cylinder, the support cylinder is sleeved on the outer wall of the first glass fiber reinforced plastic pipe, and the space between the support cylinder and the first glass fiber reinforced plastic pipe is filled with sealant.

[0005] Preferably, it also includes a supporting structure, which includes a support, and the support is fixedly assembled at the lower end of the fixed cylinder. The inner wall of the support is connected to a support plate through a connecting rod, and the inner wall of the support plate is rotatably assembled with a plurality of balls.

[0006] Preferably, the inner wall of the sealed hollow cylinder is equipped with a first sealing ring, which is fixedly connected to one of the fiberglass flanges and fits tightly against the inner wall of the sealed hollow cylinder. A second sealing ring is filled between the other fiberglass flange and the fixed cylinder and fits tightly against the inner wall of the sealed hollow cylinder.

[0007] Compared with the prior art, the utility model has the following beneficial effects: two FRP pipes are connected by the FRP flange to ensure the stability of the connection; the sleeve and the fixed tube are used in combination to ensure the sealing of one end of the second FRP pipe; at the same time, when used in combination with the sealed hollow tube, the sealing of the FRP flange connection can be ensured; the blocking plate and the support tube are used in combination to ensure the stable displacement of the sealed hollow tube on the outer wall of the first FRP pipe; at the same time, the sealant can ensure a better sealing effect; the utility model is easy to use and is practical and strong. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;

[0009] Figure 2 It is a three-dimensional cross-sectional view of the utility model;

[0010] Figure 3 It is a plan cross-sectional view of the utility model.

[0011] In the figure: 1-first FRP pipe, 2-second FRP pipe, 3-FRP flange, 4-support tube, 5-sleeve, 6-blocking plate, 7-sealed hollow tube, 8-support structure, 81-support, 82-connecting rod, 83-support plate, 84-ball, 9-fixed tube, 10-first sealing ring, 11-second sealing ring. DETAILED DESCRIPTION

[0012] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0013] See also Figure 1-3 The utility model provides a glass fiber reinforced plastic pipe connector, comprising a first glass fiber reinforced plastic pipe 1, a second glass fiber reinforced plastic pipe 2 and two glass fiber reinforced plastic flanges 3. The end of the first glass fiber reinforced plastic pipe 1 is equipped with a glass fiber reinforced plastic flange 3, the end of the second glass fiber reinforced plastic pipe 2 is equipped with a glass fiber reinforced plastic flange 3, the two glass fiber reinforced plastic flanges 3 are connected by bolts, the outer wall of the second glass fiber reinforced plastic pipe 2 is fixedly equipped with a sleeve 5, the end of the sleeve 5 is fixedly connected with a fixed cylinder 9, the outer wall of the fixed cylinder 9 is screwed with a sealed hollow cylinder 7, the inner wall end of the sealed hollow cylinder 7 is fixedly equipped with a plugging plate 6, and the inner wall of the plugging plate 6 is fixedly connected with a support cylinder 4, the support cylinder 4 is sleeved on the outer wall of the first glass fiber reinforced plastic pipe 1, and the space between the support cylinder 4 and the first glass fiber reinforced plastic pipe 1 is filled with sealant.

[0014] The two FRP pipes are connected by the FRP flange 3 to ensure the stability of the connection. The sleeve 5 and the fixed tube 9 are used in combination to ensure the sealing of one end of the second FRP pipe 2. At the same time, when used in combination with the sealed hollow tube 7, the sealing of the connection of the FRP flange 3 can be ensured. The blocking plate 6 and the support tube 4 are used in combination to ensure that the sealed hollow tube 7 is stably displaced on the outer wall of the first FRP pipe 1. At the same time, the sealant can ensure a better sealing effect. The device is easy to use and practical.

[0015] It also includes a support structure 8, which includes a support 81. The support 81 is fixedly assembled on the lower end of the fixed tube 9. The inner wall of the support 81 is connected to a support plate 83 through a connecting rod 82. The inner wall of the support plate 83 is rotatably assembled with multiple balls 84.

[0016] When the sealing hollow cylinder 7 is connected and matched with the fixed cylinder, the support 81 stably connects the connecting rod 82 and the support plate 83. The stable supporting components of the connecting rod 82 and the support plate 83 better ensure the stability of the connection between the two components. At the same time, the ball 84 ensures the smoothness of the displacement of the sealing hollow cylinder 7.

[0017] The inner wall of the sealed hollow cylinder 7 is equipped with a first sealing ring 10, which is fixedly connected to one of the fiberglass flanges 3 and fits tightly against the inner wall of the sealed hollow cylinder 7. A second sealing ring 11 is filled between the other fiberglass flange 3 and the fixed cylinder 9, and the second sealing ring 11 fits tightly against the inner wall of the sealed hollow cylinder 7.

[0018] The first sealing ring 10 and the second sealing ring 11 can both play a role of auxiliary sealing to better ensure the sealing effect between components.

[0019] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A glass fiber reinforced plastic pipe connector, characterized in that: The invention comprises a first glass fiber reinforced plastic pipe (1), a second glass fiber reinforced plastic pipe (2) and two glass fiber reinforced plastic flanges (3), wherein the end of the first glass fiber reinforced plastic pipe (1) is equipped with a glass fiber reinforced plastic flange (3), the end of the second glass fiber reinforced plastic pipe (2) is equipped with a glass fiber reinforced plastic flange (3), the two glass fiber reinforced plastic flanges (3) are connected by bolts, the outer wall of the second glass fiber reinforced plastic pipe (2) is fixedly equipped with a sleeve (5), the end of the sleeve (5) is fixedly connected with a fixed cylinder (9), the outer wall of the fixed cylinder (9) is screwed with a sealed hollow cylinder (7), the inner wall end of the sealed hollow cylinder (7) is fixedly equipped with a plugging plate (6), and the inner wall of the plugging plate (6) is fixedly connected with a support cylinder (4), the support cylinder (4) is sleeved on the outer wall of the first glass fiber reinforced plastic pipe (1), and the space between the support cylinder (4) and the first glass fiber reinforced plastic pipe (1) is filled with sealant.

2. A glass fiber reinforced plastic pipe connector according to claim 1, characterized in that: The invention also comprises a support structure (8), wherein the support structure (8) comprises a support seat (81), wherein the support seat (81) is fixedly mounted on the lower end of the fixed cylinder (9), wherein the inner wall of the support seat (81) is connected to a support plate (83) via a connecting rod (82), and a plurality of balls (84) are rotatably mounted on the inner wall of the support plate (83).

3. A glass fiber reinforced plastic pipe connector according to claim 1, characterized in that: The inner wall of the sealed hollow cylinder (7) is equipped with a first sealing ring (10), and the first sealing ring (10) is fixedly connected to one of the glass fiber reinforced plastic flanges (3). At the same time, the first sealing ring (10) is tightly fitted with the inner wall of the sealed hollow cylinder (7). A second sealing ring (11) is filled between the other glass fiber reinforced plastic flange (3) and the fixed cylinder (9), and the second sealing ring (11) is tightly fitted with the inner wall of the sealed hollow cylinder (7).