Steel belt reinforced HDPE spiral corrugated pipe for underground drainage

Abstract

The utility model relates to the technical field of pipes, in particular to an underground drainage steel belt reinforced HDPE spiral corrugated pipe which comprises an HDPE pipe body and a protection assembly, the protection assembly comprises an inserting opening, a birdmouth, a fireproof layer, a waterproof layer, a filling layer and a connecting part, when a plurality of pipe bodies are connected, the inserting opening and the birdmouth are connected through the connecting part, and the pipe bodies are connected through the fireproof layer, the waterproof layer, the filling layer and the connecting part. The waterproof layer is installed in the HDPE pipe body, water leakage is effectively prevented, the fireproof layer is installed outside the HDPE pipe body, the fireproof layer is made of asbestos fireproof materials and has a certain heat preservation effect, combustion of the HDPE pipe body caused by special conditions is effectively prevented, the filling layer is arranged in the pipe, the toughness and strength of the HDPE pipe body are improved, and the service life of the HDPE pipe body is prolonged. The adaptability of the HDPE pipe body is improved, so that the HDPE pipe body can be used in various environments.

Description

Technical Field

[0001] The utility model relates to the technical field of pipes, in particular to a steel strip reinforced HDPE spiral corrugated pipe for buried drainage. Background Technique

[0002] The inner rib reinforced polyethylene spiral corrugated pipe is the latest developed all-plastic inner rib reinforced winding pipe on the market; this pipe is made of high-density polyethylene (HDPE) as raw material, and the pipe has a large outer surface area, forming the same compressive strength of the pipe and the soil; the welding effect is good, enhancing the tensile strength of the joint; the inner rib structure is beneficial to improving the stability of the ring stiffness.

[0003] At present, the prior art (CN203770861U) discloses an HDPE spiral corrugated pipe, which includes a pipe formed by winding and welding a profiled strip. The pipe includes a cylindrical inner pipe, and a hollow reinforcing rib is spirally wound around the outer side wall of the inner pipe along the length direction of the inner pipe. An inner cavity is provided in the hollow reinforcing rib, and at least one reinforcing inner rib is fixedly provided in the inner cavity; the profiled strip includes a bottom edge in the shape of a square strip, and the bottom edge is the pipe wall of the inner pipe; flanges are folded outward along the radial direction of the inner pipe on both sides of the bottom edge, and there is a gap between the flanges of adjacent profiled strips, and this gap is the welded forming part of the pipe.

[0004] However, in the above solution, the strength of the HDPE spiral corrugated pipe is insufficient. Since the pipe is installed underground, the HDPE pipe body will bear the pressure from above, which is likely to cause damage to the pipe body and result in leakage of the conveyed water. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a steel strip reinforced HDPE spiral corrugated pipe for buried drainage, aiming to solve the problem that when the existing HDPE spiral corrugated pipe is installed underground, the pipe body will bear the pressure from above, which is likely to cause damage to the pipe body and result in leakage of the conveyed water.

[0006] To achieve the above purpose, the utility model provides a steel strip reinforced HDPE spiral corrugated pipe for buried drainage, which includes an HDPE pipe body and also includes a protection component; the protection component includes a socket, a socket joint, a fireproof layer, a waterproof layer, a filling layer and a connection part; the socket is fixedly connected to the HDPE pipe body and is located on one side of the HDPE pipe body, the socket joint is fixedly connected to the HDPE pipe body and is located on one side of the HDPE pipe body, the fireproof layer is fixedly connected to the HDPE pipe body and is located on one side of the HDPE pipe body, the waterproof layer is fixedly connected to the HDPE pipe body and is located on one side of the HDPE pipe body, the filling layer is fixedly connected to the HDPE pipe body and is located on one side of the HDPE pipe body, and the connection part is fixedly connected to the fireproof layer and is located on one side of the fireproof layer.

[0007] Wherein, the connecting part includes a mounting ring and a connecting ear. The mounting ring is fixedly connected to the socket and is located on one side of the socket. The connecting ear is fixedly connected to the mounting ring and is located on one side of the mounting ring.

[0008] Wherein, the connecting part further includes a connecting ring and a connecting bolt. The connecting ring is fixedly connected to the spigot and is located on one side of the spigot. The connecting bolt is threadedly connected to the connecting ring and is located on one side of the connecting ring.

[0009] Wherein, the protection component further includes a threaded steel strip and an anti-wear layer. The anti-wear layer is fixedly connected to the fireproof layer and is located on one side of the fireproof layer. The threaded steel strip is fixedly connected to the anti-wear layer and is located on one side of the anti-wear layer.

[0010] Wherein, the steel-belt reinforced HDPE spiral corrugated pipe for buried drainage further includes a plurality of strengthening components, and the plurality of strengthening components are located on one side of the threaded steel strip.

[0011] Wherein, the strengthening component includes a reinforcing rib and a fixing member. The reinforcing rib is fixedly connected to the threaded steel strip and is located on one side of the threaded steel strip. The fixing member is fixedly connected to the reinforcing rib and is located on one side of the reinforcing rib.

[0012] For a steel-belt reinforced HDPE spiral corrugated pipe for buried drainage of the present utility model, when connecting multiple pipes, the spigot and the socket are connected through the connecting part. A waterproof layer is installed inside the HDPE pipe body. The waterproof layer is made of polyethylene propylene fiber polymer material and has good waterproof performance, effectively preventing water leakage. A fireproof layer is installed outside the HDPE pipe body. The fireproof layer uses asbestos fireproof material and has a certain heat preservation effect. The fireproof effect of the fireproof layer effectively prevents the HDPE pipe body from burning caused by special circumstances. Wherein, a filling layer is provided inside the pipe. The filling layer uses ceramsite concrete to fill the inside of the HDPE pipe body, improving the toughness and strength of the HDPE pipe body, enhancing the adaptability of the HDPE pipe body, and enabling the HDPE pipe body to be used in various environments. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art.

[0014] Figure 1 It is a schematic structural diagram of the whole of the first embodiment of the present utility model.

[0015] Figure 2It is a schematic structural diagram of another perspective of the whole of the first embodiment of the present utility model.

[0016] Figure 3 It is a cross-sectional view of the whole of the first embodiment of the present utility model.

[0017] Figure 4 It is a schematic structural diagram of the whole of the second embodiment of the present utility model.

[0018] 101 - HDPE pipe body, 102 - protection component, 103 - socket, 104 - socket joint, 105 - fireproof layer, 106 - waterproof layer, 107 - filling layer, 108 - connecting part, 109 - mounting ring, 110 - connecting ear, 111 - connecting ring, 112 - connecting bolt, 113 - threaded steel strip, 114 - abrasion-resistant layer, 201 - strengthening component, 202 - reinforcing rib, 203 - fixing part. Specific embodiments

[0019] The first embodiment of the present application is as follows:

[0020] Please refer to Figures 1-3 , wherein, Figure 1 is a schematic structural diagram of the whole of the first embodiment of the present utility model, Figure 2 is a schematic structural diagram of another perspective of the whole of the first embodiment of the present utility model, Figure 3 is a cross-sectional view of the whole of the first embodiment of the present utility model.

[0021] The present utility model provides a steel strip reinforced HDPE spiral corrugated pipe for buried drainage, which includes an HDPE pipe body 101 and a protection component 102. The protection component 102 includes a socket 103, a socket joint 104, a fireproof layer 105, a waterproof layer 106, a filling layer 107, a connecting part 108, a threaded steel strip 113 and an abrasion-resistant layer 114. The connecting part 108 includes a mounting ring 109, a connecting ear 110, a connecting ring 111 and a connecting bolt 112. Through the above-mentioned solution, the problem that the existing HDPE spiral corrugated pipe is installed underground, the pipe body will bear the pressure from above, which is likely to cause damage to the pipe body and leakage of the transported water is solved.

[0022] For this specific embodiment, the HDPE pipe body 101 is used as a buried drainage and sewage discharge pipe in places such as municipal construction and other fields.

[0023] Among them, the socket 103 is fixedly connected to the HDPE pipe body 101 and is located on one side of the HDPE pipe body 101. The socket 104 is fixedly connected to the HDPE pipe body 101 and is located on one side of the HDPE pipe body 101. The fireproof layer 105 is fixedly connected to the HDPE pipe body 101 and is located on one side of the HDPE pipe body 101. The waterproof layer is fixedly connected to the HDPE pipe body 101 and is located on one side of the HDPE pipe body 101. The filling layer 107 is fixedly connected to the HDPE pipe body 101 and is located on one side of the HDPE pipe body 101. The connecting part 108 is fixedly connected to the fireproof layer 105 and is located on one side of the fireproof layer 105. The socket 103 and the socket 104 are connected through the connecting part 108. A layer of the waterproof layer 106 is installed inside the HDPE pipe body 101, and the waterproof layer 106 effectively prevents water leakage. A layer of the fireproof layer 105 is installed outside the HDPE pipe body 101. The fireproof layer 105 uses asbestos fireproof material and has a certain heat preservation effect. The fireproof effect of the fireproof layer 105 effectively prevents the HDPE pipe body 101 from burning caused by special circumstances. The filling layer 107 is inside the pipe, and the filling layer 107 serves as a filling inside the HDPE pipe body 101, improving the toughness and strength of the HDPE pipe body 101, enhancing the adaptability of the HDPE pipe body 101, avoiding damage to the HDPE pipe body, and enabling the HDPE pipe body 101 to be used in various environments.

[0024] Secondly, the mounting ring 109 is fixedly connected to the socket 104 and is located on one side of the socket 104. The connecting ear 110 is fixedly connected to the mounting ring 109 and is located on one side of the mounting ring 109. The mounting ring 109 is installed at one end of the socket 104. The socket 104 is connected to the socket 103 to form the HDPE pipe body 101 of the required length. The mounting ring 109 and the connecting ear 110 cooperate with the socket 103 to achieve fixed assembly, thereby improving adaptability and facilitating use.

[0025] Meanwhile, the connecting ring 111 is fixedly connected to the socket 103 and is located on one side of the socket 103. The connecting bolt 112 is threadedly connected to the connecting ring 111 and is located on one side of the connecting ring 111. The socket 103 is inserted into the receiving socket 104, and the connecting ring 111 is inserted into the mounting ring 109 and the connecting ear 110. Then, the connecting bolt 112 is passed through the connecting ear 110 and the connecting ring 111 and tightened and fixed, so that the two HDPE pipe bodies 101 are assembled into a whole, and an effective connection is ensured with the distance from the end where the socket 103 is inserted into the receiving socket 104, ensuring smooth flow without leakage.

[0026] In addition, the abrasion-resistant layer 114 is fixedly connected to the fireproof layer 105 and is located on one side of the fireproof layer 105. The threaded steel strip 113 is fixedly connected to the abrasion-resistant layer 114 and is located on one side of the abrasion-resistant layer 114. During use, the threaded steel strip 113 effectively increases the toughness of the HDPE pipe body 101 and improves the strength of the HDPE pipe body 101. At the same time, the outer surface of the HDPE pipe body 101 is installed with the abrasion-resistant layer 114, effectively ensuring the safety of the internal fireproof layer 105, the HDPE pipe body 101, the filling layer 107, and the waterproof layer. The abrasion-resistant layer 114 uses a high-chromium alloy liner material to improve the wear-resistant performance. Through the high wear-resistant material of the abrasion-resistant layer 114, the service life during use is effectively increased, and it can adapt to more use environments.

[0027] When using the present utility model, when connecting multiple said pipes, the socket 103 will be inserted into the receiving socket 104 for a certain distance to prevent water leakage at the connection. At the same time, the connecting ring 111 is inserted into the mounting ring 109, and then the connecting bolt 112 passes through the connecting ear 110 and is threadedly fixed to the connecting ring 111 to make the connection more firm. Multiple said HDPE pipe bodies 101 can be connected to obtain the required length. And a waterproof layer 106 is installed inside the HDPE pipe body 101, and the waterproof layer 106 effectively prevents water leakage. A fireproof layer 105 is installed outside the HDPE pipe body 101. The fireproof layer 105 uses asbestos fireproof material and has a certain heat preservation effect. The fireproof effect of the fireproof layer 105 effectively prevents the HDPE pipe body 101 from burning caused by special circumstances. Wherein, a filling layer 107 is provided inside the pipe, and the filling layer 107 serves as a filling inside the HDPE pipe body 101. The abrasion-resistant layer 114 and the threaded steel strip 113 are installed on the outer surface of the HDPE pipe body 101 to improve the toughness and strength of the HDPE pipe body 101 and enhance the adaptability of the HDPE pipe body 101, so that the HDPE pipe body 101 can be used in various environments.

[0028] The second embodiment of this application is as follows:

[0029] On the basis of the first embodiment, please refer to Figure 4 , wherein, Figure 4 is a schematic diagram of the overall structure of the second embodiment of the present utility model. A steel belt reinforced HDPE spiral corrugated pipe for buried drainage provided by the present utility model further includes a strengthening component 201. The strengthening component 201 includes a reinforcing rib 202 and a fixing member 203.

[0030] For this specific embodiment, the reinforcing rib 202 is fixedly connected to the threaded steel strip 113 and is located on one side of the threaded steel strip 113. The fixing member 203 is fixedly connected to the reinforcing rib 202 and is located on one side of the reinforcing rib 202. Multiple reinforcing ribs 202 pass through between the threaded steel strips 113. When under pressure, the reinforcing rib 202 can also assist in bearing a part of the pressure, dispersing the pressure receptor to improve strength and toughness. At the same time, the fixing members 203 are respectively located at the front and rear ends of the HDPE pipe body 101. One end of the fixing member 203 is connected to the reinforcing rib 202, and the other end is connected to the abrasion-resistant layer as a support to assist in bearing force and ensure the strength of the HDPE pipe body 101 during use.

[0031] When using the present utility model, when connecting multiple management units, by inserting the socket 103 into the receiving port 104 for a certain distance, the stability of the connection is ensured, effectively preventing water leakage at the connection. At the same time, the connecting ring 111 is inserted into the mounting ring 109, and then the connecting bolt 112 passes through the connecting ear 110 and is threadedly fixed to the connecting ring 111 to make the connection more firm. Multiple HDPE pipe bodies 101 can be connected to obtain the required length. And a waterproof layer 106 is installed inside the HDPE pipe body 101, and the waterproof layer 106 effectively prevents water leakage. A fireproof layer 105 is installed outside the HDPE pipe body 101. The fireproof layer 105 uses asbestos fireproof material and has a certain heat preservation effect. The fireproof effect of the fireproof layer 105 effectively prevents the HDPE pipe body 101 from burning caused by special circumstances. Among them, a filling layer 107 is provided inside the pipe, and the filling layer 107 serves as a filling inside the HDPE pipe body 101. An anti-wear layer 114 and a threaded steel belt 113 are installed on the outer surface of the HDPE pipe body 101. Multiple reinforcing ribs 202 pass through the threaded steel belts 113. When under pressure, the reinforcing ribs 202 can also assist in bearing a part of the pressure, dispersing the pressure receptor to improve strength and toughness. At the same time, the fixing members 203 are respectively located at the front and rear ends of the HDPE pipe body 101. One end of the fixing member 203 is connected to the reinforcing rib 202, and the other end is connected to the anti-wear layer 114 as a support to assist in bearing force, so as to improve the toughness and strength of the HDPE pipe body 101, improve the adaptability of the HDPE pipe body 101, and enable the HDPE pipe body 101 to be used in various environments.

[0032] The above-disclosed are only one or more preferred embodiments of the present application, and the scope of rights of the present application cannot be limited thereby. Those of ordinary skill in the art can understand the entire or part of the processes of implementing the above embodiments, and the equivalent changes made according to the claims of the present application still fall within the scope covered by the present application.

Claims

1. A steel-belt reinforced HDPE spiral corrugated pipe for buried drainage, comprising an HDPE pipe body, characterized in that, it further comprises a protection component; The protection component includes a socket, a socket end, a fireproof layer, a waterproof layer, a filling layer and a connecting part; The socket is fixedly connected to the HDPE pipe body and is located on one side of the HDPE pipe body. The socket end is fixedly connected to the HDPE pipe body and is located on one side of the HDPE pipe body. The filling layer is fixedly connected to the HDPE pipe body and is located on one side of the HDPE pipe body. The fireproof layer is fixedly connected to the filling layer and is located on one side of the filling layer. The waterproof layer is fixedly connected to the HDPE pipe body and is located on one side of the HDPE pipe body. The connecting part is arranged on one side of the socket end.

2. The steel-belt reinforced HDPE spiral corrugated pipe for buried drainage according to claim 1, characterized in that, The connecting part includes a mounting ring and a connecting ear. The mounting ring is fixedly connected to the socket end and is located on one side of the socket end. The connecting ear is fixedly connected to the mounting ring and is located on one side of the mounting ring.

3. The steel-belt reinforced HDPE spiral corrugated pipe for buried drainage according to claim 2, characterized in that, The connecting part further includes a connecting ring and a connecting bolt. The connecting ring is fixedly connected to the socket and is located on one side of the socket. The connecting bolt is threadedly connected to the connecting ring and is located on one side of the connecting ring.

4. The steel-belt reinforced HDPE spiral corrugated pipe for buried drainage according to claim 3, characterized in that, The protection component further includes a threaded steel belt and an anti-abrasion layer. The anti-abrasion layer is fixedly connected to the fireproof layer and is located on one side of the fireproof layer. The threaded steel belt is fixedly connected to the anti-abrasion layer and is located on one side of the anti-abrasion layer.

5. The steel-belt reinforced HDPE spiral corrugated pipe for buried drainage according to claim 4, characterized in that, The steel-belt reinforced HDPE spiral corrugated pipe for buried drainage further includes a plurality of strengthening components, and the plurality of strengthening components are located on one side of the threaded steel belt.

6. The steel-belt reinforced HDPE spiral corrugated pipe for buried drainage according to claim 5, characterized in that, The strengthening component includes a reinforcing rib and a fixing member. The reinforcing rib is fixedly connected to the threaded steel belt and is located on one side of the threaded steel belt. The fixing member is fixedly connected to the reinforcing rib and is located on one side of the reinforcing rib.

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