Polyurethane glass fiber tube
Through multi-layer structural design and threaded connection device, the flexibility and sealing performance of fiberglass tubes are improved, solving the shortcomings of fiberglass tubes in terms of flexibility and connection sealing, and expanding their application range.
Patent Information
- Application Number
- CN202520532134.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-24
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-03-24
AI Technical Summary
Fiberglass tubes are not good in terms of flexibility and connection sealing, which limits their use in applications with high sealing requirements. Existing connection methods cannot guarantee the long-term stability and sealing of the connection parts.
It adopts a multi-layer structure design, including an outer polyurethane layer, a fiberglass layer and an inner polyurethane layer, combined with a threaded cylinder, a sealing gasket and a limiting structure, and improves flexibility and sealing performance through threaded connections and limiting devices.
It improves the flexibility and sealing performance of fiberglass tubes, expands their application range, and enhances their pressure resistance and service life.
Smart Images

Figure CN223677220U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to glass fiber pipe technical field, concretely is a kind of polyurethane glass fiber pipe. BACKGROUND
[0002] In the pipeline application field, traditional pipe materials such as metal pipe and plastic pipe have long dominated the market. Although metal pipes have high strength and rigidity, they are prone to corrosion, heavy in weight and inconvenient to install, and their service life is greatly reduced in complex environments, with high maintenance costs. Plastic pipes are lacking in strength, high-temperature resistance and high-pressure resistance, making it difficult to meet the performance requirements of some demanding applications. With the continuous progress of technology, glass fiber pipes have emerged as the times require. Glass fiber pipes have been widely used in many fields due to their lightweight, high strength, corrosion resistance, good insulation and strong designability, effectively solving some problems of traditional pipe materials.
[0003] However, glass fiber pipes still have some problems in use, such as poor flexibility, which affects the overall performance, and the carrying capacity and fatigue resistance are also weakened. Moreover, the connection method of glass fiber pipes has a short board in terms of sealing, and the existing connection method cannot guarantee the long-term stability and reliability of the connection part in many cases, which is prone to leakage problems, greatly limiting the application of glass fiber pipes in high-sealing environments. In order to improve the flexibility of glass fiber pipes and the sealing performance during connection, and expand the application range of glass fiber pipes, we propose a polyurethane glass fiber pipe. SUMMARY
[0004] In view of the deficiencies of the prior art, the utility model provides a polyurethane glass fiber pipe, which can improve the flexibility of the glass fiber pipe and the sealing performance during connection, and expand the application range of the glass fiber pipe.
[0005] To achieve the above purpose, the utility model realizes the following technical scheme:
[0006] A polyurethane glass fiber pipe, comprising an outer polyurethane layer, the inner wall of the outer polyurethane layer is fixedly connected with a glass fiber layer, the inner wall of the glass fiber layer is fixedly connected with an inner polyurethane layer, a threaded cylinder is rotatably installed outside the outer polyurethane layer, a connecting cylinder is fixedly sleeved outside the outer polyurethane layer, a threaded pipe matched with the threaded cylinder is fixedly installed on the inner wall of the connecting cylinder, an inner sealing gasket is fixedly connected to the end of the threaded pipe away from the connecting cylinder, and an outer sealing gasket is fixedly connected to the end of the connecting cylinder close to the threaded pipe.
[0007] Preferably, the inner wall and the outer wall of the glass fiber layer are fixedly connected with a plurality of groups of glass fiber reinforcing ribs, and a plurality of groups of connecting grooves matched with the glass fiber reinforcing ribs are formed in the outer polyurethane layer and the inner polyurethane layer.
[0008] Preferably, the connecting cylinder outer fixing sleeve is provided with a mounting cylinder, a connecting frame is slidably installed on the inner wall of the mounting cylinder, the end of the connecting frame away from the mounting cylinder is fixedly connected with a limiting cylinder, a plurality of groups of limiting strips are fixedly connected to the inner wall of the limiting cylinder, and a plurality of groups of limiting grooves matched with the limiting strips are formed in the threaded cylinder.
[0009] Preferably, the end of the connecting frame away from the limiting cylinder is fixedly connected with a spring, and the end of the spring away from the connecting frame is fixedly connected with the mounting cylinder.
[0010] Preferably, a plurality of groups of sliding strips are fixedly connected to the outer wall of the connecting frame, and a plurality of groups of sliding grooves matched with the sliding strips are formed in the inner wall of the mounting cylinder, and the sliding strips and the sliding grooves are slidably connected.
[0011] Preferably, the inner wall of the inner polyurethane layer and the outer wall of the outer polyurethane layer are coated with an antioxidant layer, and a plurality of groups of anti-skid lines are arranged on the outer polyurethane layer.
[0012] Beneficial effects
[0013] The utility model provides a kind of polyurethane glass fiber pipe.Compared with prior art, it has the following beneficial effects:
[0014] The polyurethane glass fiber pipe, the inner polyurethane is responsible for transporting fluid, the glass fiber layer enhances strength and rigidity, and the reinforcing rib further improves the compression resistance, the outer polyurethane prolongs the service life, and the inner and outer polyurethane jointly improve the flexibility. When connecting the pipe material, manually move away the limiting cylinder to tighten the threaded cylinder and the threaded pipe, the gasket ensures the sealing, and then the limiting cylinder resets to block the threaded cylinder, preventing loosening, to improve flexibility and connection sealing, and expand the application range. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is the front view structure schematic diagram of the utility model main body;
[0016] Figure 2 It is the lateral section structure schematic diagram of the utility model;
[0017] Figure 3 It is the forward section structure schematic diagram of the utility model;
[0018] Figure 4 It is the Figure 3 It is the structure enlarged schematic diagram of the utility model A place;
[0019] Figure 5 It is the mounting cylinder and connecting frame connection structure explosion schematic diagram of the utility model.
[0020] In the figure: 1, the outer polyurethane layer; 2, the threaded cylinder; 3, the connecting cylinder; 4, the mounting cylinder; 5, the connecting frame; 6, the limiting cylinder; 7, the glass fiber layer; 8, the inner polyurethane layer; 9, the glass fiber reinforcing rib; 10, the threaded pipe; 11, the inner sealing gasket; 12, the outer sealing gasket; 13, the spring. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0022] Please refer to Figures 1-5 The utility model provides a kind of technical scheme: a kind of polyurethane glass fiber pipe, including outer polyurethane layer 1, outer polyurethane layer 1 inner wall is fixedly connected with glass fiber layer 7, glass fiber layer 7 inner wall is fixedly connected with inner polyurethane layer 8, outer polyurethane layer 1 outer rotation is installed with threaded cylinder 2, outer polyurethane layer 1 outer fixedly sheathed with connecting cylinder 3, connecting cylinder 3 inner wall is fixedly installed with the threaded pipe 10 matched with threaded cylinder 2, threaded pipe 10 is fixedly connected with inner sealing gasket 11 away from one end of connecting cylinder 3, connecting cylinder 3 is fixedly connected with outer sealing gasket 12 close to one end of threaded pipe 10.
[0023] The inner wall of inner polyurethane layer 8 has smooth surface and superior corrosion resistance and antibacterial property, for conveying fluid, glass fiber layer 7 is tightly attached to the outer surface of inner polyurethane layer 8, for enhancing the strength and rigidity of the pipe, to ensure that the pipe has certain pressure resistance, the outermost outer polyurethane layer 1 has excellent wear resistance and anti-aging performance, which can prolong the service life of the pipe, and the flexibility of the pipe is increased under the action of outer polyurethane layer 1 and inner polyurethane layer 8. The threaded cylinder 2 of a section of pipe is threadedly connected with the threaded pipe 10 of another section of pipe, and the two sections of pipe are connected, when the threaded pipe 10 and the threaded cylinder 2 are closely connected, the inner sealing gasket 11 and the outer sealing gasket 12 are extruded between the threaded pipe 10 and the threaded cylinder 2, to ensure the sealing of the connection, thereby realizing the improvement of the flexibility of the glass fiber pipe and the sealing during connection, and expanding the application range of the glass fiber pipe.
[0024] The inner wall and the outer wall of the glass fiber layer 7 are fixedly connected with a plurality of groups of glass fiber reinforcing ribs 9, and a plurality of groups of connecting grooves matched with the glass fiber reinforcing ribs 9 are formed in the outer polyurethane layer 1 and the inner polyurethane layer 8. Further enhance the pressure resistance of the pipe.
[0025] The connecting cylinder 3 is externally fixed with a mounting cylinder 4, the mounting cylinder 4 is internally slidably mounted with a connecting frame 5, the connecting frame 5 is fixedly connected with a limiting cylinder 6 at an end away from the mounting cylinder 4, the limiting cylinder 6 is internally fixedly connected with a plurality of limiting strips, and the threaded cylinder 2 is provided with a plurality of limiting grooves matched with the limiting strips.
[0026] The connecting frame 5 is fixedly connected with a spring 13 at an end away from the limiting cylinder 6, and the spring 13 is fixedly connected with the mounting cylinder 4 at an end away from the connecting frame 5.
[0027] During the connection of the threaded pipe 10 and the threaded cylinder 2, the connecting frame 5 is manually moved into the mounting cylinder 4, the limiting cylinder 6 is driven to move away from the threaded pipe 10, the connection operation is facilitated, after the connection is completed, the connecting frame 5 is loosened, the connecting frame 5 drives the limiting cylinder 6 to move close to the threaded cylinder 2 under the action of the spring 13, the limiting strips are inserted into the limiting grooves, the threaded cylinder 2 is limited from rotating, the connection between the threaded pipe 10 and the threaded cylinder 2 is prevented from loosening, and the sealing performance is further ensured.
[0028] The connecting frame 5 is externally fixedly connected with a plurality of sliding strips, the mounting cylinder 4 is internally provided with a plurality of sliding grooves matched with the sliding strips, and the sliding strips are slidably connected with the sliding grooves.
[0029] The cooperation of the sliding strips and the sliding grooves can prevent the connecting frame 5 from rotating, and the limiting cylinder 6 can effectively limit the threaded cylinder 2.
[0030] The inner cohesive urethane layer 8 and the outer cohesive urethane layer 1 are both coated with an oxidation-resistant layer, and the outer cohesive urethane layer 1 is provided with a plurality of anti-skid lines, the oxidation-resistant ability of the pipe material is improved, and the service life of the pipe material is prolonged.
[0031] Working principle: the inner wall of the inner polyurethane layer 8 has a smooth surface and superior corrosion resistance and antibacterial property, used for conveying fluid, the glass fiber layer 7 is close to the outer surface of the inner polyurethane layer 8, used for enhancing the strength and rigidity of the pipe, ensuring that the pipe has a certain pressure resistance, the glass fiber reinforcing rib 9 is arranged to further enhance the pressure resistance of the pipe, the outer polyurethane layer 1 of the outermost layer has excellent wear resistance and anti-aging performance, which can prolong the service life of the pipe, and the flexibility of the pipe is increased under the action of the outer polyurethane layer 1 and the inner polyurethane layer 8. The threaded cylinder 2 of a section of pipe is threadedly connected with the threaded pipe 10 of another section of pipe, and the two sections of pipe are connected, in the connecting process, the connecting frame 5 is manually moved into the mounting cylinder 4, the limiting cylinder 6 is driven away from the threaded pipe 10, and the connecting operation is facilitated, when the threaded pipe 10 and the threaded cylinder 2 are closely connected, the inner sealing gasket 11 and the outer sealing gasket 12 are extruded between the threaded pipe 10 and the threaded cylinder 2, the sealing property of the connection is ensured, after the connection is completed, the connecting frame 5 is loosened, the connecting frame 5 drives the limiting cylinder 6 to approach the threaded cylinder 2 under the action of the spring 13, the limiting strip is inserted into the limiting groove, the threaded cylinder 2 cannot be rotated any more, and therefore the connection between the threaded pipe 10 and the threaded cylinder 2 cannot be loosened, and the sealing property is further ensured. Therefore, the flexibility of the glass fiber pipe and the sealing property during connection are improved, and the application range of the glass fiber pipe is expanded.
[0032] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.
[0033] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made thereto without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A polyurethane fiberglass pipe comprising an outer polyurethane layer (1), characterized in that: The outer polyurethane layer (1) is fixedly connected with a glass fiber layer (7), the inner wall of the glass fiber layer (7) is fixedly connected with an inner polyurethane layer (8), the outer polyurethane layer (1) is rotatably connected with a threaded cylinder (2), the outer polyurethane layer (1) is fixedly sleeved with a connecting cylinder (3), the inner wall of the connecting cylinder (3) is fixedly connected with a threaded pipe (10) matched with the threaded cylinder (2), the threaded pipe (10) is fixedly connected with an inner sealing gasket (11) away from the connecting cylinder (3), and the connecting cylinder (3) is fixedly connected with an outer sealing gasket (12) close to the threaded pipe (10).
2. A polyurethane fiberglass pipe according to claim 1, characterized in that: The inner wall and the outer wall of the glass fiber layer (7) are fixedly connected with a plurality of groups of glass fiber reinforcing ribs (9), and a plurality of groups of connecting grooves matched with the glass fiber reinforcing ribs (9) are formed in the outer polyurethane layer (1) and the inner polyurethane layer (8).
3. A polyurethane fiberglass pipe according to claim 1, characterized in that: The connecting cylinder (3) is fixedly sleeved with a mounting cylinder (4), the inner wall of the mounting cylinder (4) is slidably connected with a connecting frame (5), one end of the connecting frame (5) away from the mounting cylinder (4) is fixedly connected with a limiting cylinder (6), the inner wall of the limiting cylinder (6) is fixedly connected with a plurality of groups of limiting strips, and a plurality of groups of limiting grooves matched with the limiting strips are formed in the threaded cylinder (2).
4. A polyurethane fiberglass pipe according to claim 3, characterized in that: One end of the connecting frame (5) away from the limiting cylinder (6) is fixedly connected with a spring (13), and the other end of the spring (13) away from the connecting frame (5) is fixedly connected with the mounting cylinder (4).
5. A polyurethane fiberglass pipe according to claim 3, characterized in that: The outer wall of the connecting frame (5) is fixedly connected with a plurality of groups of sliding strips, a plurality of groups of sliding grooves matched with the sliding strips are formed in the inner wall of the mounting cylinder (4), and the sliding strips and the sliding grooves are slidably connected.
6. A polyurethane fiberglass pipe according to claim 1, characterized in that: The inner wall of the inner polyurethane layer (8) and the outer wall of the outer polyurethane layer (1) are coated with an antioxidant layer, and a plurality of groups of anti-skid lines are arranged on the outer polyurethane layer (1).