High-strength FRPP winding pipe

Abstract

The high-strength FRPP winding pipe comprises a winding pipe body, a plurality of annular protrusions distributed at equal intervals are arranged on the annular side wall of the winding pipe body, a plurality of rectangular protrusions are arranged on the annular side wall, close to a pipe opening of the winding pipe body, of the winding pipe body, and the rectangular protrusions on the same side are fixedly connected with the annular protrusions on the side. An inner supporting pipe is arranged in the winding pipe body. The rectangular protrusions distributed at equal intervals are arranged on the annular side wall, close to the pipe opening, of the winding pipe body, the fixing ring penetrating through the rectangular protrusions is matched, the stability of the pipe opening of the winding pipe body is improved, leakage caused by damage is prevented, and the service life of the winding pipe is prolonged. The strip-shaped fixing blocks which are oppositely arranged in pairs are arranged between the winding pipe body and the inner supporting pipe, and the X-shaped reinforcing blocks and the strip-shaped reinforcing rods are arranged between every two opposite strip-shaped fixing blocks, so that the stability of the internal structure of the winding pipe body is effectively improved, deformation in the pre-embedding or mounting process is prevented, and normal water supply and drainage are ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of FRPP winding pipes, in particular to a high-strength FRPP winding pipe. Background Art

[0002] The FRPP winding pipe is a new type, high-rigidity, highly corrosion-resistant and high-temperature-resistant green environmental protection pipe made of polypropylene as the main polymer raw material, adding appropriate modified additives and auxiliary materials, and continuously winding and forming. The FRPP winding pipe has relatively excellent impact resistance and tensile strength, is light in weight and convenient for installation and maintenance, and is suitable for the transportation of corrosive liquids and municipal water supply and drainage systems.

[0003] When the FRPP winding pipe applied to the water supply and drainage system is actually used, the stability of its pipe orifice is poor, it is easy to be damaged and cause leakage, and it is easy to be deformed due to external force during the embedding or installation process, affecting the normal water supply and drainage. Now a high-strength FRPP winding pipe is proposed to solve the above problems. Content of the Utility Model

[0004] In view of the deficiencies and defects in the prior art, the utility model provides a high-strength FRPP winding pipe, which is used to solve the technical problems that when the FRPP winding pipe applied to the water supply and drainage system in the background art is actually used, the stability of its pipe orifice is poor, it is easy to be damaged and cause leakage, and it is easy to be deformed due to external force during the embedding or installation process, affecting the normal water supply and drainage.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A high-strength FRPP winding pipe, including a winding pipe body, wherein a plurality of annular protrusions are arranged on the annular side wall of the winding pipe body at equal intervals, a plurality of rectangular protrusions are arranged on the annular side wall of the winding pipe body near the orifice of the winding pipe body, and a plurality of rectangular protrusions on the same side are fixedly connected to the side annular protrusions. An inner support pipe is arranged in the winding pipe body, and a plurality of strip-shaped fixing blocks are fixedly connected between the annular side wall of the inner support pipe and the annular inner wall of the winding pipe body, and the plurality of strip-shaped fixing blocks are arranged in a pairwise opposite manner at equal intervals. A reinforcing component is arranged between two opposite strip-shaped fixing blocks, and an anti-corrosion coating is arranged on the annular inner wall of the inner support pipe.

[0007] Preferably, the annular protrusions and the rectangular protrusions are integrally formed with the winding pipe body.

[0008] Preferably, a same fixing ring is fixedly penetrated through the side walls at the central positions of a plurality of the rectangular protrusions.

[0009] Preferably, a plurality of arc-shaped reinforcing rods are fixedly connected between adjacent two of the strip-shaped fixing blocks, and the plurality of arc-shaped reinforcing rods on the same horizontal plane are arranged at equal intervals.

[0010] Preferably, both the fixing ring and the arc-shaped reinforcing rods are made of corrosion-resistant alloy products.

[0011] Preferably, the reinforcement assembly includes an X-shaped reinforcement block fixedly connected between two opposite strip-shaped fixing blocks, strip-shaped reinforcement rods are fixedly connected to the opposite side walls of a plurality of the opposite strip-shaped fixing blocks, two strip-shaped reinforcement rods on the same side are in contact with the X-shaped reinforcement block, and the strip-shaped fixing blocks, the X-shaped reinforcement block and the strip-shaped reinforcement rods are all of equal length.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] 1. By providing a plurality of rectangular protrusions arranged at equal intervals on the annular side wall of the winding pipe body near the pipe orifice, and cooperating with the fixing ring penetrating through the plurality of rectangular protrusions, the stability of the pipe orifice of the winding pipe body is improved, and leakage caused by breakage is prevented.

[0014] 2. Through a plurality of strip-shaped fixing blocks arranged in pairs between the winding pipe body and the inner support pipe, and cooperating with the X-shaped reinforcement block and the strip-shaped reinforcement rods between two opposite strip-shaped fixing blocks, the internal structure stability of the winding pipe body is effectively improved, deformation during pre-burial or installation is prevented, and normal water supply and drainage are ensured. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a perspective schematic diagram of a high-strength FRPP winding pipe proposed by the present utility model;

[0016] Figure 2 is a partial structural schematic diagram of the winding pipe body of a high-strength FRPP winding pipe proposed by the present utility model;

[0017] Figure 3 is Figure 1 a partial enlarged view of part A in

[0018] Figure 4 is a partial structural schematic diagram of the reinforcement assembly of a high-strength FRPP winding pipe proposed by the present utility model.

[0019] In the figure: 1 winding pipe body, 2 annular protrusion, 3 rectangular protrusion, 4 inner support pipe, 5 strip-shaped fixing block, 6 anti-corrosion coating, 7 fixing ring, 8 arc-shaped reinforcing rod, 9 X-shaped reinforcement block, 10 strip-shaped reinforcement rod. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0022] Refer to Figures 1-4 , a high-strength FRPP winding pipe, which includes a winding pipe body 1. A number of annular protrusions 2 are arranged on the annular side wall of the winding pipe body 1 at equal intervals. A number of rectangular protrusions 3 are arranged on the annular side wall of the winding pipe body 1 near the pipe orifice of the winding pipe body 1. A number of rectangular protrusions 3 on the same side are fixedly connected to the side annular protrusions 2. The annular protrusions 2 and the rectangular protrusions 3 are integrally formed with the winding pipe body 1. A same fixing ring 7 is fixedly penetrated through the side walls at the central positions of a number of rectangular protrusions 3. The cooperation of a number of rectangular protrusions 3 and the fixing ring 7 penetrating through a number of rectangular protrusions 3 effectively improves the stability of the pipe orifice of the winding pipe body 1 and prevents leakage caused by breakage.

[0023] An inner support pipe 4 is arranged inside the winding pipe body 1. A number of strip-shaped fixing blocks 5 arranged in pairs are fixedly connected between the annular side wall of the inner support pipe 4 and the annular inner wall of the winding pipe body 1. A number of arc-shaped reinforcing bars 8 are fixedly connected between adjacent two strip-shaped fixing blocks 5. A number of arc-shaped reinforcing bars 8 on the same horizontal plane are arranged at equal intervals. The fixing ring 7 and the arc-shaped reinforcing bars 8 are both made of corrosion-resistant alloy products. The fixing ring 7 made of corrosion-resistant alloy products is used to provide stable support for a number of rectangular protrusions 3. A number of arc-shaped reinforcing bars 8 made of corrosion-resistant alloy products are used to provide stable support for adjacent two strip-shaped fixing blocks 5. A number of strip-shaped fixing blocks 5 arranged in pairs are arranged at equal intervals.

[0024] Reinforcement components are provided between two pairs of opposite strip-shaped fixing blocks 5. The reinforcement components include X-shaped reinforcement blocks 9 respectively fixedly connected between two pairs of opposite strip-shaped fixing blocks 5. A number of strip-shaped reinforcement rods 10 are fixedly connected to the opposite side walls of the opposite strip-shaped fixing blocks 5. The two strip-shaped reinforcement rods 10 on the same side are both in contact with the X-shaped reinforcement block 9. The strip-shaped fixing blocks 5, the X-shaped reinforcement blocks 9 and the strip-shaped reinforcement rods 10 are all of the same length. The two strip-shaped reinforcement rods 10 are respectively fixed on the opposite side walls of the two opposite strip-shaped fixing blocks 5, and the X-shaped reinforcement block 9 is arranged through the two opposite strip-shaped fixing blocks 5, so that the two strip-shaped reinforcement rods 10 are both in contact with the X-shaped reinforcement block 9. Thus, a number of strip-shaped fixing blocks 5 cooperate with the X-shaped reinforcement blocks 9 and the strip-shaped reinforcement rods 10 to improve the internal structural stability of the winding pipe body 1, prevent deformation during embedding or installation, ensure normal water supply and drainage. After the reinforcement components are installed, the two ends of the winding pipe body 1 and the inner support pipe 4 are sealed to prevent leakage during the water supply and drainage process. An anti-corrosion coating 6 is provided on the annular inner wall of the inner support pipe 4. The anti-corrosion coating 6 can provide protection for the inner wall of the inner support pipe 4 to prevent damage caused by corrosion of the inner wall of the inner support pipe 4.

[0025] When the utility model is in use, a number of equally spaced rectangular protrusions 3 are arranged on the annular side wall of the winding pipe body 1 near the pipe orifice, and the number of rectangular protrusions 3 are all fixedly connected to the annular protrusions 2 on the side of the winding pipe body 1. Thus, the number of rectangular protrusions 3 cooperate with the fixing rings 7 arranged through the number of rectangular protrusions 3 to effectively improve the stability of the pipe orifice of the winding pipe body 1 and prevent leakage caused by breakage. A number of pairs of opposite strip-shaped fixing blocks 5 are equally spaced and fixed between the annular inner wall of the winding pipe body 1 and the annular side wall of the inner support pipe 4. The two strip-shaped reinforcement rods 10 are respectively fixed on the opposite side walls of the two opposite strip-shaped fixing blocks 5, and the X-shaped reinforcement block 9 is arranged through the two opposite strip-shaped fixing blocks 5, so that the two strip-shaped reinforcement rods 10 are both in contact with the X-shaped reinforcement block 9. Thus, a number of strip-shaped fixing blocks 5 cooperate with the X-shaped reinforcement blocks 9 and the strip-shaped reinforcement rods 10 to improve the internal structural stability of the winding pipe body 1, prevent deformation during embedding or installation, ensure normal water supply and drainage. After the reinforcement components are installed, the two ends of the winding pipe body 1 and the inner support pipe 4 are sealed to prevent leakage during the water supply and drainage process.

[0026] The above is only the preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the utility model, according to the technical solution of the utility model and its inventive concept, makes equivalent replacement or change, and should be covered by the protection scope of the utility model.

Claims

1. A high-strength FRPP spiral wound pipe, comprising a spiral wound pipe body (1), wherein a plurality of circular protrusions (2) are arranged at equal intervals on the circular side wall of the spiral wound pipe body (1), characterized in that: The winding tube body (1) is provided with a plurality of rectangular protrusions (3) on the annular side wall near the tube mouth of the winding tube body (1), and the plurality of rectangular protrusions (3) on the same side are fixedly connected to the side annular protrusions (2). The winding tube body (1) is provided with an inner support tube (4), and a plurality of strip-shaped fixing blocks (5) arranged opposite to each other in pairs are fixedly connected between the annular side wall of the inner support tube (4) and the annular inner wall of the winding tube body (1). The plurality of strip-shaped fixing blocks (5) are arranged at equal intervals between the two strip-shaped fixing blocks (5) opposite to each other, and a reinforcement component is provided between the two strip-shaped fixing blocks (5). The annular inner wall of the inner support tube (4) is provided with an anti-corrosion coating (6).

2. A high-strength FRPP winding pipe according to claim 1, characterized in that: The annular protrusion (2) and the rectangular protrusion (3) are both formed integrally with the winding tube body (1).

3. A high-strength FRPP winding pipe according to claim 1, characterized in that: A common fixing ring (7) is fixedly provided on and penetrates the side walls at the center of the plurality of rectangular protrusions (3).

4. A high-strength FRPP winding pipe according to claim 3, characterized in that: A plurality of arc-shaped reinforcing rods (8) are fixedly connected between two adjacent strip-shaped fixed blocks (5), and the arc-shaped reinforcing rods (8) on the same horizontal plane are distributed at equal intervals.

5. A high-strength FRPP winding pipe according to claim 4, characterized in that: The fixing ring (7) and the arc-shaped reinforcing rod (8) are both made of corrosion-resistant alloy.

6. The high-strength FRPP winding pipe according to claim 1, characterized in that: The reinforcement assembly comprises X-shaped reinforcement blocks (9) respectively fixedly connected between two opposing strip-shaped fixing blocks (5); a plurality of strip-shaped reinforcement rods (10) are fixedly connected to the opposing side walls of the strip-shaped fixing blocks (5); two strip-shaped reinforcement rods (10) on the same side are in contact with the X-shaped reinforcement block (9); and the strip-shaped fixing blocks (5), the X-shaped reinforcement blocks (9) and the strip-shaped reinforcement rods (10) are all arranged to be of equal length.

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