Stretch-resistant fiber-plastic composite corrugated pipe

Abstract

The utility model discloses a stretch-resistant fiber-plastic composite corrugated pipe, which relates to the field of corrugated pipes and comprises an inner corrugated pipe, a reinforcing layer is arranged on the outer ring of the inner corrugated pipe, a wear-resistant layer is arranged on the inner ring of the inner corrugated pipe, a stretch-resistant layer is arranged on the outer side of the reinforcing layer, and a color developing layer is arranged on the outer wall of the stretch-resistant layer. According to the scheme, the device can conveniently find the leakage position, the outer corrugated pipe made of a transparent material is easy to observe the color change of the color developing layer, the leakage position can be conveniently found, the practicability of the device can be improved, the device can be conveniently sealed, the color developing layer is prevented from making contact with the outside to react, and the service life of the device is prolonged. The expansion coefficient of the outer corrugated pipe is large, so that the outer corrugated pipe is not prone to damage, continuous production is guaranteed, and the outer corrugated pipe is replaced when leakage is found during maintenance and detection.

Description

TECHNICAL FIELD

[0001] The utility model belongs to corrugated pipe technical field, concretely is a kind of tensile fiber plastic composite corrugated pipe. BACKGROUND

[0002] Corrugated pipe is a kind of tubular element with corrugated shape, has wide application in multiple fields, main use is to guide liquid into or out to the corresponding position to be reached, when using, leakage occurs due to human carelessness collision and repeated telescopic action, even very small leakage can affect device operation, the position of pipe leakage is generally very concealed, and extremely small, cannot be found in real time, once leakage occurs, just stop production, for this purpose, a kind of tensile fiber plastic composite corrugated pipe is proposed. SUMMARY

[0003] In view of the above situation, to overcome the defects of prior art, the utility model provides a kind of tensile fiber plastic composite corrugated pipe, effectively solve the position of pipe leakage is generally very concealed, and extremely small, cannot be found in real time, once leakage occurs, just stop production problem.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of tensile fiber plastic composite corrugated pipe, including inner corrugated pipe, the outer circle of the inner corrugated pipe is provided with reinforcing layer, the inner circle of the inner corrugated pipe is provided with wear-resistant layer, the outer side of the reinforcing layer is provided with tensile layer, the outer wall of the tensile layer is provided with color development layer, the outer wall of the color development layer is provided with outer corrugated pipe, the both ends of the inner corrugated pipe and the outer corrugated pipe are provided with connecting end head, the outer corrugated pipe is made of transparent material.

[0005] Preferably, the expansion coefficient of the corrugated portion of the inner corrugated pipe is greater than the expansion coefficient of the corrugated portion of the outer corrugated pipe, and the inner corrugated pipe, the outer corrugated pipe and the connecting end head are integrally formed.

[0006] Preferably, the material of the inner corrugated pipe is high-density polyethylene material, and the material of the outer corrugated pipe is polycarbonate material.

[0007] Preferably, the material of the reinforcing layer is high-density polyethylene material, the material of the tensile layer is glass fiber material, and the material of the wear-resistant layer is ultra-fine polytetrafluoroethylene material.

[0008] Preferably, the material of the color development layer is gauze material, and a color developing agent is coated on the gauze material.

[0009] Compared with the prior art, the utility model has the beneficial effects that:

[0010] 1. The anti-stretch fiber-plastic composite corrugated pipe, through the cooperation of the inner corrugated pipe, the reinforcing layer and the wear-resistant layer and the like, can facilitate the searching of the leakage position, the color change of the color developing layer can be easily observed through the transparent outer corrugated pipe, the leakage position can be easily found, and the practicability of the device is improved.

[0011] 2. The anti-stretch fiber-plastic composite corrugated pipe, through the cooperation of the inner corrugated pipe, the outer corrugated pipe and the connecting end, can facilitate the sealing of the device, avoid the reaction of the color developing layer with the outside world, and ensure the production can continue, and the outer corrugated pipe is not easy to be damaged due to the large expansion coefficient, so that the replacement can be carried out when the leakage problem is found during the maintenance and detection.

[0012] 3. The anti-stretch fiber-plastic composite corrugated pipe, through the cooperation of the color developing layer, the inner corrugated pipe and the outer corrugated pipe and the like, can facilitate the adsorption of the leaked liquid, the gauze material is convenient for attaching the color developing agent, the liquid is quickly reacted with the color developing agent, and the leakage position is easily observed. BRIEF DESCRIPTION OF DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with the embodiments of the present application, and do not constitute a limitation on the present application.

[0014] In the drawings:

[0015] Figure 1 It is a structural schematic view of the anti-stretch fiber-plastic composite corrugated pipe of the present application.

[0016] Figure 2 It is a sectional structural schematic view of the inner corrugated pipe of the present application.

[0017] Figure 3 It is an enlarged view of A in the present application. Figure 2

[0018] In the drawing: 100, inner corrugated pipe; 101, reinforcing layer; 102, wear-resistant layer; 103, anti-stretch layer; 104, color developing layer; 105, outer corrugated pipe; 106, connecting end. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0020] By Figure 1 , Figure 2 ​and Figure 3 Be given, the utility model discloses a kind of tensile fiber plastic composite bellows, the outer ring of inner bellows 100 is fixedly connected with reinforcing layer 101, the strength of inner bellows 100 is facilitated to increase by reinforcing layer 101, the inner ring of inner bellows 100 is fixedly connected with wear-resistant layer 102, liquid can be avoided to pipe and occur friction damage by wear-resistant layer 102, the outer side of reinforcing layer 101 is fixedly connected with tensile layer 103, tensile performance is facilitated to increase by tensile layer 103, avoid breaking, the outer wall of tensile layer 103 is fixedly connected with color development layer 104, color development layer 104 is facilitated to react color development with liquid by color development layer 104, the outer wall of color development layer 104 is sleeved with outer bellows 105, the leakage of inner bellows 100 is facilitated to block by outer bellows 105, avoid liquid to leak out pipe, the both ends of inner bellows 100 and outer bellows 105 are fixedly connected with connecting end 106, the inner bellows 100 and outer bellows 105 are facilitated to be fixedly connected by connecting end 106, outer bellows 105 is made of transparent material.

[0021] In the embodiment: the double-layer setting of inner bellows 100 and outer bellows 105, since the existence of outer bellows 105, liquid transported also does not cause to leak directly, so if not replace, it can continue to use, until outer bellows 105 also leak, when producing leakage, its liquid will enter the inside of outer bellows 105, and color development layer 104 is dyed, so that color development layer 104 discoloration, it is convenient to check leakage position in time, can make the device convenient to find leakage, transparent material outer bellows 105 is easy to observe the color change of color development layer 104, it is convenient to find the position of leakage, and it is favorable to improve the practicability of device.

[0022] The expansion coefficient of the corrugated portion of inner bellows 100 is greater than the expansion coefficient of the corrugated portion of outer bellows 105, and inner bellows 100, outer bellows 105 and connecting end 106 are integrally formed.

[0023] In the embodiment: the expansion coefficient in the embodiment refers to the deformation ability or tensile ability along the axial direction of the corrugated pipe, and the expansion coefficient of the corrugated portion of inner bellows 100 is greater than the expansion coefficient of the corrugated portion of outer bellows 105, so when the corrugated pipe moves with the equipment, inner bellows 100 starts to be stressed, and outer bellows 105 has not started to be stressed, so even if inner bellows 100 has been deformed to cause damage due to being subjected to a large force, outer bellows 105 is not stressed or is subjected to little stress, so that outer bellows 105 is not damaged, thereby ensuring that production can continue, and replacement can be performed when leakage problem is found during maintenance and detection.

[0024] The material of inner bellows 100 is high-density polyethylene material, and the material of outer bellows 105 is polycarbonate material.

[0025] In the embodiment, the inner corrugated pipe 100 made of high-density polyethylene has high tensile strength, compressive strength and impact resistance, can withstand greater external force and pressure, is not easy to break or deform, the outer corrugated pipe 105 made of polycarbonate has good transparency, can clearly see the flow condition of the medium in the pipe, has high chemical stability, is resistant to corrosion of acid, alkali, salt and other chemicals, has good mechanical strength, can withstand certain pressure and external force, has excellent processability, is easy to form and manufacture, and has relatively low price.

[0026] The material of the reinforcing layer 101 is high-density polyethylene, the material of the tensile-resistant layer 103 is glass fiber, and the material of the wear-resistant layer 102 is ultra-fine polytetrafluoroethylene.

[0027] In the embodiment, the tensile-resistant layer 103 made of glass fiber has the characteristics of good tensile resistance, so that the corrugated pipe is not easy to break, and the use of glass fiber reinforced composite material can reduce the weight while still ensuring that the part has sufficient strength, the wear-resistant layer 102 made of ultra-fine polytetrafluoroethylene has very high resistance to almost all chemicals, and it is difficult to react with strong acid, strong alkali or strong oxidizing agent, can remain stable in various harsh chemical environments, has very low friction coefficient, smooth surface, can reduce the friction and wear between objects, and this characteristic makes it have important application in many fields that require to reduce friction.

[0028] The material of the color developing layer 104 is gauze, and the gauze is coated with a color developing agent.

[0029] In the embodiment, the gauze material is convenient for attaching the color developing agent, and when leakage occurs, it is convenient for absorbing the liquid, so that the liquid reacts quickly with the color developing agent, the color developing agent can be a pH reagent, if the medium transported in the pipeline has obvious acidity or alkalinity, a substance containing a pH indicator can be arranged around the pipeline or the part where leakage is likely to occur, when the medium leaks out and contacts the pH indicator, the pH indicator will change the acidity or alkalinity of the environment it is in, so that the indicator changes color, different color developing methods are suitable for different pipeline media and working environments, and in actual application, appropriate detection methods need to be selected according to specific conditions.

Claims

1. A tensile resistant fiber plastic composite bellows comprising an inner bellows (100), characterized in that: The outer ring of the inner corrugated pipe (100) is provided with a reinforcing layer (101), the inner ring of the inner corrugated pipe (100) is provided with a wear-resistant layer (102), the outer side of the reinforcing layer (101) is provided with a tensile-resistant layer (103), the outer wall of the tensile-resistant layer (103) is provided with a color developing layer (104), the outer wall of the color developing layer (104) is provided with an outer corrugated pipe (105), both ends of the inner corrugated pipe (100) and the outer corrugated pipe (105) are provided with a connecting end head (106), and the outer corrugated pipe (105) is made of transparent material.

2. A tensile fiber plastic composite bellows according to claim 1, characterized in that: The expansion coefficient of the corrugated part of the inner corrugated pipe (100) is greater than that of the corrugated part of the outer corrugated pipe (105), and the inner corrugated pipe (100), the outer corrugated pipe (105) and the connecting end head (106) are integrally formed.

3. A tensile fiber plastic composite bellows according to claim 1, characterized in that: The material of the inner corrugated pipe (100) is high-density polyethylene material, and the material of the outer corrugated pipe (105) is polycarbonate material.

4. A tensile fiber plastic composite bellows according to claim 1, characterized in that: The material of the reinforcing layer (101) is high-density polyethylene material, the material of the tensile-resistant layer (103) is glass fiber material, and the material of the wear-resistant layer (102) is ultra-fine polytetrafluoroethylene material.

5. A tensile fiber plastic composite bellows according to claim 1, characterized in that: The material of the color developing layer (104) is gauze material, and a color developing agent is coated on the gauze material.

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