Glass fiber reinforced plastic pipeline connecting device

Abstract

A glass fiber reinforced plastic pipeline connecting device comprises a first fixing ring fixedly arranged on a pipeline on one side and a second fixing ring fixed on a pipeline on the other side, the outer side of the first fixing ring is movably sleeved with a first connecting pipe in a clamped mode, and the outer side of the second fixing ring is movably sleeved with a second connecting pipe in a clamped mode. The first connecting pipe is in threaded connection with the second connecting pipe; a middle inserting pipe is arranged between the first fixing ring and the second fixing ring, a first sealing groove and a second sealing groove are formed in the two sides of the middle inserting pipe respectively, a first sealing ring is arranged between the first sealing groove and the first fixing ring, and a second sealing ring is arranged between the second sealing groove and the second fixing ring. The first fixing ring and the second fixing ring which are integrally formed or formed in a bonding mode are adopted as connecting parts, the glass steel pipes on the two sides are connected through the middle inserting pipe, assembling is easy and convenient, and sealing reliability is high.

Description

Technical Field

[0001] The present application relates to a glass fiber reinforced plastic pipe connecting device. Background Art

[0002] FRP pipes are manufactured from fiberglass. Being non-toxic and pollution-free, they guarantee water quality and are suitable for applications such as drinking water pipes and irrigation pipes. FRP pipes are typically installed in sections and then connected together when needed. Pipe connection methods primarily include socket-and-spigot, flange-and-wrap joints, and wrap-around joints. However, existing socket-and-spigot connections have limited pressure bearing capacity and are unable to meet operational requirements. Furthermore, assembly is often inconvenient, relying heavily on the central connector structure. Utility Model Content

[0003] In order to solve the above problems, the present application proposes a glass fiber reinforced plastic pipe connection device, comprising a first fixing ring fixedly arranged on the pipe on one side and a second fixing ring fixed on the pipe on the other side, a first connecting pipe is provided on the outer side of the first fixing ring and a second connecting pipe is provided on the outer side of the second fixing ring, and the first connecting pipe and the second connecting pipe are threadedly connected; an intermediate plug-in pipe is provided between the first fixing ring and the second fixing ring, and a first sealing groove and a second sealing groove are provided on both sides of the intermediate plug-in pipe, a first sealing ring is provided between the first sealing groove and the first fixing ring, and a second sealing ring is provided between the second sealing groove and the second fixing ring. The present application adopts a first fixing ring and a second fixing ring formed by integral molding or bonding as connecting components, connects the glass fiber reinforced plastic pipes on both sides through the intermediate plug-in pipe, and then uses the first connecting pipe and the second connecting pipe for screwing connection to ensure the clamping, fixing and sealing of the first sealing ring and the second sealing ring, thus completing the overall assembly, which is simple to assemble and has high sealing reliability.

[0004] Preferably, an external threaded pipe is provided on a side of the first connecting pipe facing the second connecting pipe, and an internal plug-in sleeve threadedly connected to the external threaded pipe is provided on a side of the second connecting pipe facing the first connecting pipe.

[0005] Preferably, the first connecting tube includes a first retaining ring arranged outside the first fixing ring, a first hexagonal screw tube is provided on one side of the first retaining ring, and the externally threaded tube is connected to the first hexagonal screw tube.

[0006] Preferably, the second connecting tube includes a second retaining ring arranged outside the second fixing ring, a second hexagonal screw tube is provided on one side of the second retaining ring, and the inner plug-in sleeve is connected to the second hexagonal screw tube.

[0007] Preferably, a fastening rubber ring groove is provided on the outer bottom of the inner plug-in sleeve, and a fastening rubber ring is provided in the fastening rubber ring groove. The present application can ensure vibration resistance after connection, prevent loosening, have good water hammer resistance and other effects, and can better ensure the sealing of the overall structure.

[0008] Preferably, the first sealing ring and the second sealing ring have the same structure, and respectively include a plug-in ring plugged into the first sealing groove or the second sealing groove, and an expansion ring is provided on the outer side of the plug-in ring.

[0009] Preferably, a reinforcement block is provided on the expansion ring adjacent to the plug-in collar.

[0010] Preferably, a central positioning convex ring is provided on the inner side of the central portion of the intermediate plug-in tube. The central positioning convex ring of the present application can limit the glass fiber reinforced plastic pipes on both sides, thereby preventing the glass fiber reinforced plastic pipes from being damaged due to over-tightening.

[0011] Preferably, the first fixing ring and the second fixing ring are bonded to the outside of the glass fiber reinforced plastic pipe, or the first fixing ring, the second fixing ring and the glass fiber reinforced plastic pipe are integrally formed.

[0012] This application can bring the following beneficial effects:

[0013] 1. This application uses a first fixing ring and a second fixing ring formed by one-piece molding or bonding as connecting parts, and uses an intermediate plug-in tube to connect the fiberglass reinforced plastic pipes on both sides. The first connecting pipe and the second connecting pipe are then screwed together to ensure the clamping, fixing and sealing of the first sealing ring and the second sealing ring, thus completing the overall assembly. The assembly is simple and the sealing reliability is high.

[0014] 2. This application can ensure vibration resistance after connection by setting a fastening rubber ring therebetween, avoid loosening, and has good anti-water hammer effect, which can better ensure the sealing of the overall structure.

[0015] 3. The central positioning convex ring of the present application can limit the glass fiber reinforced plastic pipes on both sides, thereby preventing the glass fiber reinforced plastic pipes from being damaged due to over-tightening. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0017] Figure 1 This is a schematic diagram of the internal structure of this application.

[0018] Figure 2 This is a schematic diagram of the structure used in this application.

[0019] Figure 3 This is a schematic diagram of the structure during assembly for this application.

[0020] Figure 4 This is a schematic diagram of the explosion structure of this application. DETAILED DESCRIPTION

[0021] In order to clearly illustrate the technical features of this solution, this application is described in detail below through specific implementation methods and in conjunction with its accompanying drawings.

[0022] In the first embodiment, if Figure 1 As shown, a fiberglass pipe connecting device includes a first fixing ring 1 fixedly arranged on the pipe on one side and a second fixing ring 2 fixed on the pipe on the other side. A first connecting pipe 3 is provided on the outer side of the first fixing ring 1 and a second connecting pipe 4 is provided on the outer side of the second fixing ring 2. The first connecting pipe 3 and the second connecting pipe 4 are threadedly connected; an intermediate plug-in pipe 5 is provided between the first fixing ring 1 and the second fixing ring 2, and a first sealing groove 6 and a second sealing groove 7 are provided on both sides of the intermediate plug-in pipe 5, a first sealing ring 8 is provided between the first sealing groove 6 and the first fixing ring 1, and a second sealing ring 9 is provided between the second sealing groove 7 and the second fixing ring 2.

[0023] When in use, a first fixing ring 1 and a first connecting tube 3 are preset on one glass tube, and a second fixing ring 2 and a second connecting tube 4 are preset on the other glass tube. Then, a first sealing ring 8 is sleeved on the glass tube corresponding to the outer side of the first fixing ring 1, and a second sealing ring 9 is sleeved on the glass tube corresponding to the outer side of the second fixing ring 2. Then, they are plugged into both sides of the middle plug-in tube 5. By docking the first connecting tube 3 and the second connecting tube 4, the assembly connection of the two glass fiber reinforced plastic tubes is completed.

[0024] In the second embodiment, if Figure 1-4 As shown, a fiberglass pipe connecting device includes a first fixing ring 1 fixedly arranged on the pipe on one side and a second fixing ring 2 fixed on the pipe on the other side. A first connecting pipe 3 is provided on the outer side of the first fixing ring 1 and a second connecting pipe 4 is provided on the outer side of the second fixing ring 2. The first connecting pipe 3 and the second connecting pipe 4 are threadedly connected; an intermediate plug-in pipe 5 is provided between the first fixing ring 1 and the second fixing ring 2, and a first sealing groove 6 and a second sealing groove 7 are provided on both sides of the intermediate plug-in pipe 5, a first sealing ring 8 is provided between the first sealing groove 6 and the first fixing ring 1, and a second sealing ring 9 is provided between the second sealing groove 7 and the second fixing ring 2.

[0025] An externally threaded tube 10 is provided on the side of the first connecting tube 3 facing the second connecting tube 4, and an internally inserted sleeve 11 is provided on the side of the second connecting tube 4 facing the first connecting tube 3, which is threadably connected to the externally threaded tube 10. The first connecting tube 3 includes a first retaining ring 12 disposed outside the first fixing ring 1, and a first hexagonal screw-threaded tube 13 is disposed on one side of the first retaining ring 12. The externally threaded tube 10 is connected to the first hexagonal screw-threaded tube 13. The second connecting tube 4 includes a second retaining ring 14 disposed outside the second fixing ring 2, and a second hexagonal screw-threaded tube 15 is disposed on one side of the second retaining ring 14. The internally inserted sleeve 11 is connected to the second hexagonal screw-threaded tube 15.

[0026] A fastening rubber ring groove 16 is provided at the outer bottom of the inner plug-in sleeve 11 , and a fastening rubber ring 17 is provided in the fastening rubber ring groove 16 .

[0027] The first sealing ring 8 and the second sealing ring 9 have the same structure, and respectively include a plug-in collar 18 plugged into the first sealing groove 6 or the second sealing groove 7, and an expansion ring 19 is provided on the outside of the plug-in collar 18. A reinforcement block 20 is provided on the expansion ring 19 adjacent to the plug-in collar 18.

[0028] A central positioning protruding ring 21 is provided on the inner side of the central portion of the intermediate plug-in tube 5 .

[0029] The first fixing ring 1 and the second fixing ring 2 are bonded to the outside of the glass fiber reinforced plastic pipe or the first fixing ring 1 and the second fixing ring 2 are integrally formed with the glass fiber reinforced plastic pipe.

[0030] During use, a first fixing ring 1 and a first connecting tube 3 are preset on a glass tube, and a second fixing ring 2 and a second connecting tube 4 are preset on another glass tube. Then, a first sealing ring 8 is sleeved on the glass tube corresponding to the outer side of the first fixing ring 1, and a second sealing ring 9 is sleeved on the glass tube corresponding to the outer side of the second fixing ring 2. Then, they are plugged into both sides of the middle plug-in tube 5. The external threaded tube 10 of the first connecting tube 3 and the internal plug-in sleeve 11 of the second connecting tube 4 are threadedly connected. The first hexagonal screw tube 13 and the second hexagonal screw tube 15 are used to apply force to connect, thus completing the assembly connection of the two glass fiber reinforced plastic tubes. At this time, the first sealing ring 8 enters the first sealing groove 6, the sealing ring must enter the second sealing groove 7, and the fastening rubber ring enters the fastening rubber ring groove, thus completing the final connection assembly.

[0031] The above are merely embodiments of the present application and are not intended to limit the present application. For those skilled in the art, the present application may have various changes and variations. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present application should all be included within the scope of the claims of the present application.

Claims

1. A glass fiber reinforced plastic pipe connection device, characterized by: It includes a first fixing ring fixedly set on the pipe on one side and a second fixing ring fixed on the pipe on the other side. A first connecting pipe is provided on the movable clamping sleeve outside the first fixing ring, and a second connecting pipe is provided on the movable clamping sleeve outside the second fixing ring. The first connecting pipe and the second connecting pipe are threadedly connected; an intermediate plug-in pipe is provided between the first fixing ring and the second fixing ring, and a first sealing groove and a second sealing groove are provided on both sides of the intermediate plug-in pipe respectively, a first sealing ring is provided between the first sealing groove and the first fixing ring, and a second sealing ring is provided between the second sealing groove and the second fixing ring.

2. A glass fiber reinforced plastic pipe connecting device according to claim 1, characterized in that: An external threaded pipe is provided on one side of the first connecting pipe facing the second connecting pipe, and an internal plug-in sleeve threadedly connected to the external threaded pipe is provided on one side of the second connecting pipe facing the first connecting pipe.

3. A glass fiber reinforced plastic pipe connection device as claimed in claim 2, characterized in that: The first connecting tube includes a first retaining ring arranged outside the first fixing ring, a first hexagonal screw tube is arranged on one side of the first retaining ring, and the externally threaded tube is connected to the first hexagonal screw tube.

4. A glass fiber reinforced plastic pipe connecting device as claimed in claim 3, characterized in that: The second connecting tube includes a second retaining ring arranged outside the second fixing ring, a second hexagonal screw tube is arranged on one side of the second retaining ring, and the inner plug-in sleeve is connected to the second hexagonal screw tube.

5. The glass fiber reinforced plastic pipe connecting device according to claim 2, characterized in that: A fastening rubber ring groove is provided on the outer bottom of the inner plug-in sleeve, and a fastening rubber ring is provided in the fastening rubber ring groove.

6. The glass fiber reinforced plastic pipe connecting device according to claim 1, characterized in that: The first sealing ring and the second sealing ring have the same structure, and respectively include a plug-in collar plugged into the first sealing groove or the second sealing groove, and an expansion ring is provided on the outer side of the plug-in collar.

7. A glass fiber reinforced plastic pipe connecting device according to claim 6, characterized in that: A reinforcement block is provided on the expansion ring adjacent to the plug-in collar.

8. The glass fiber reinforced plastic pipe connecting device according to claim 1, characterized in that: A middle positioning convex ring is provided on the inner side of the middle portion of the middle plug-in tube.

9. The glass fiber reinforced plastic pipe connecting device according to claim 1, characterized in that: The first fixing ring and the second fixing ring are bonded to the outside of the glass fiber reinforced plastic pipe or the first fixing ring, the second fixing ring and the glass fiber reinforced plastic pipe are integrally formed.

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