Flame-retardant HDPE (high-density polyethylene) double-wall corrugated pipe capable of conveniently and quickly connecting structure
By designing a flame-retardant HDPE double-wall corrugated pipe with a fast connection structure, the problem of slow connection speed of corrugated pipes is solved by using connecting devices and protection devices, improving the connection efficiency and service life, and simplifying the thread processing process.
Patent Information
- Application Number
- CN202421147823.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-24
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-05-24
AI Technical Summary
When connecting bellows, workers need to process threads on the bellows body, resulting in slow connection speed and large volume of bellows, affecting the connection efficiency.
A flame-retardant HDPE double-wall corrugated pipe including main pipe, sub-pipe and connecting device is designed. Quick connection and protection are achieved by providing components such as first edge sealing, second edge sealing, support block, threaded rod, leakage protection ring, etc. Leakage simplifies the thread processing process.
The speed and efficiency of corrugated pipe connection is improved, the influence of the number of thread rotations is reduced, the connection assistance is enhanced, and the service life of the connecting device is extended and corrosion is prevented through the protection device.
Smart Images

Figure CN222255542U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of corrugated pipes, in particular to a flame retardant HDPE double-wall corrugated pipe with a structure that is convenient for quick connection. Background Art
[0002] High-density polyethylene double-wall corrugated pipe is a new type of pipe with an annular outer wall and a smooth inner wall. It is very mature in production technology and use technology. Due to its excellent performance and relatively economical cost, it has been widely promoted and applied in developed countries such as Europe and the United States. In my country, the promotion and application of HDPE double-wall corrugated pipe is in an upward trend, and all technical indicators have reached the use standard. The inner wall color of double-wall corrugated pipe is usually blue and black, and some brands use yellow inner wall. With the development of society, double-wall corrugated pipe is used when fluid needs to be guided.
[0003] The inventor found in his daily work that workers bury bellows underground so that the bellows can guide the fluid. Currently, most workers need to process threads on the body of the bellows when connecting the bellows. Then the workers connect the two bellows by threaded connection. However, processing threads on the body of the bellows is too cumbersome and the volume of the bellows is large, which leads to the problem of slow connection speed when the workers connect the bellows. Utility Model Content
[0004] The utility model aims to solve the shortcoming in the prior art that workers have a slow connection speed when connecting the corrugated pipes, and proposes a flame retardant HDPE double-wall corrugated pipe with a structure that is convenient for quick connection.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a flame-retardant HDPE double-wall corrugated pipe with a quick connection structure, comprising a main pipe, a sub-pipe and a connecting device, wherein the sub-pipe is placed on one side of the main pipe, and the connecting device is arranged on the surface of the main pipe, wherein the connecting device comprises a first edge seal, wherein the first edge seal is fixedly connected to the surface of one end of the sub-pipe, the first edge seal is located on one side of the main pipe, and one end of the main pipe is fixedly connected to a second edge seal, and the second edge seal contacts the surface of the first edge seal, and the surfaces of the main pipe and the sub-pipe are fixedly connected to support blocks, and the support blocks are arranged in an annular shape around the main pipe, and threaded rods are placed on the surfaces of the two support blocks, wherein the threaded rods are located on the outside of the first edge seal, and the surface of the threaded rods near one end of the second edge seal is threadedly connected to a first threaded block, and the first threaded block contacts the surface of the support block, and the surface of the threaded rods near one end of the first edge seal is threadedly connected to a second threaded block, and the second threaded block contacts the surface of the support block, and a leak-proof ring is placed between the first edge seal and the second edge seal, wherein the leak-proof ring is located between the main pipe and the sub-pipe, and the leak-proof ring can cooperate with the first edge seal and the second edge seal to achieve the purpose of leak prevention.
[0006] Preferably, a protective device is provided on the surface of the main pipe, and the protective device includes a clamping plate, which is fixedly connected to the surface of the main pipe and is located on one side of the second edge seal. The clamping plate can cooperate with the main pipe and the auxiliary pipe to achieve the purpose of supporting the clamping plate.
[0007] Preferably, the surfaces of the main pipe and the auxiliary pipe are connected with a same isolation cover, which is sleeved on the surface of the connecting device. The isolation cover can cooperate with the connecting device to achieve the purpose of protecting the parts of the connecting device.
[0008] Preferably, the surfaces at both ends of the isolation cover are fixedly connected with limiting blocks, and the limiting blocks are plugged into the inner surface of the clamping plate. The limiting blocks can cooperate with the isolation cover to achieve the purpose of supporting and limiting the isolation cover.
[0009] Preferably, the inner surface of the limit block is threadedly connected with a positioning rod, and the positioning rod is plugged into the inner surface of the clamping plate. The positioning rod can cooperate with the limit block and the clamping plate to achieve the purpose of limiting the sliding of the isolation cover.
[0010] Compared with the prior art, the advantages and positive effects of the utility model are:
[0011] 1. In the utility model, by setting a connecting device, when the bellows is in use, it is convenient for workers to quickly connect the bellows and use equipment. The equipment guides the flow of fluid to achieve the purpose of transporting fluid. The threaded rod is placed on the support block, and the first threaded block and the second threaded block are installed on the threaded rod. The first threaded block and the second threaded block squeeze the support block. The support block slides and pushes the first edge seal and the second edge seal. The first edge seal and the second edge seal will squeeze the leak-proof ring to complete the connection. By setting a connecting device, it is effectively convenient for workers to quickly connect the bellows. When the bellows is in use, the connecting device is adjusted to avoid the workers being affected by the volume and the number of thread rotations when installing the bellows, resulting in low connection efficiency of the bellows, thereby improving the efficiency of the workers in connecting the bellows, and improving the auxiliary function of the connecting device for the workers in connecting the bellows, which is beneficial for the workers to quickly connect the bellows. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 A three-dimensional structural diagram of a flame-retardant HDPE double-wall corrugated pipe with a quick connection structure is proposed for the utility model;
[0013] Figure 2 The utility model proposes a structural schematic diagram of a connection device for a flame-retardant HDPE double-wall corrugated pipe that is convenient for quick connection.
[0014] Figure 3 The utility model proposes a flame retardant HDPE double-wall corrugated pipe with a quick connection structure. Figure 2 Schematic diagram of the structure at A in the middle;
[0015] Figure 4 The utility model proposes a structural schematic diagram of a flame retardant HDPE double-wall corrugated pipe protection device that is convenient for quick connection.
[0016] Figure 5 The utility model proposes a flame retardant HDPE double-wall corrugated pipe with a quick connection structure. Figure 4 Schematic diagram of the structure at point B in the middle.
[0017] Legend:
[0018] 1. Main pipe; 2. Sub-pipe; 3. Connecting device; 31. First edge seal; 32. Second edge seal; 33. Leak-proof ring; 34. Support block; 35. First threaded block; 36. Threaded rod; 37. Second threaded block; 4. Protective device; 41. Isolation cover; 42. Clamp plate; 43. Limit block; 44. Positioning rod. DETAILED DESCRIPTION
[0019] See also Figure 1-5The utility model provides a technical solution: a flame retardant HDPE double-wall corrugated pipe with a quick connection structure, comprising a main pipe 1, a sub-pipe 2 and a connecting device 3, the sub-pipe 2 is placed on one side of the main pipe 1, and the connecting device 3 is arranged on the surface of the main pipe 1.
[0020] The specific settings and functions of the connecting device 3 and the protective device 4 are described in detail below.
[0021] In this embodiment: the connecting device 3 includes a first edge seal 31, the first edge seal 31 is fixedly connected to the surface of one end of the auxiliary pipe 2, the first edge seal 31 is located on one side of the main pipe 1, one end of the main pipe 1 is fixedly connected to the second edge seal 32, the second edge seal 32 is in contact with the surface of the first edge seal 31, the surfaces of the main pipe 1 and the auxiliary pipe 2 are both fixedly connected to support blocks 34, the support blocks 34 are arranged in a ring shape around the main pipe 1, threaded rods 36 are placed on the surfaces of the two support blocks 34, the threaded rods 36 are located on the outside of the first edge seal 31, the surface of the threaded rod 36 close to the second edge seal 32 is threadedly connected to the first threaded block 35, the first threaded block 35 is in contact with the surface of the support block 34, the surface of the threaded rod 36 close to the first edge seal 31 is threadedly connected to the second threaded block 37, the second threaded block 37 is in contact with the surface of the support block 34.
[0022] Specifically, a leakproof ring 33 is placed between the first sealing edge 31 and the second sealing edge 32 . The leakproof ring 33 is located between the main pipe 1 and the auxiliary pipe 2 . The leakproof ring 33 can cooperate with the first sealing edge 31 and the second sealing edge 32 to achieve the purpose of leakproofing.
[0023] In this embodiment: a protective device 4 is provided on the surface of the main pipe 1, and the protective device 4 includes a clamping plate 42, which is fixedly connected to the surface of the main pipe 1, and is located on one side of the second edge sealing 32. The clamping plate 42 can cooperate with the main pipe 1 and the auxiliary pipe 2 to achieve the purpose of supporting the clamping plate 42.
[0024] Specifically, the surfaces of the main pipe 1 and the auxiliary pipe 2 are connected with a same isolation cover 41 , and the isolation cover 41 is sleeved on the surface of the connecting device 3 .
[0025] In this embodiment, the isolation cover 41 can cooperate with the connecting device 3 to achieve the purpose of protecting the parts of the connecting device 3.
[0026] Specifically, the surfaces at both ends of the isolation cover 41 are fixedly connected with limit blocks 43 , which are plugged into the inner surface of the clamping plate 42 . The limit blocks 43 can cooperate with the isolation cover 41 to achieve the purpose of supporting and limiting the isolation cover 41 .
[0027] Specifically, the inner surface of the limiting block 43 is threadedly connected with a positioning rod 44 , and the positioning rod 44 is plugged into the inner surface of the clamping plate 42 .
[0028] In this embodiment, the positioning rod 44 can cooperate with the limiting block 43 and the clamping plate 42 to achieve the purpose of limiting the sliding of the isolation cover 41.
[0029] Working principle: by setting the connecting device 3, when the bellows is in use, it is convenient for workers to quickly connect the bellows and use the equipment. The equipment guides the flow of fluid to achieve the purpose of transporting the fluid. The threaded rod 36 is placed on the support block 34, and the first threaded block 35 and the second threaded block 37 are installed on the threaded rod 36. The first threaded block 35 and the second threaded block 37 squeeze the support block 34. The support block 34 slides and pushes the first edge seal 31 and the second edge seal 32. The first edge seal 31 and the second edge seal 32 will squeeze the leak-proof ring 33 to complete the connection. By setting the connecting device 3, it is effective and convenient for workers to quickly connect the bellows. When the bellows is in use, the connecting device 3 is adjusted to avoid the worker being affected by the volume and the number of thread rotations when installing the bellows, resulting in low connection efficiency of the bellows, thereby improving the efficiency of workers in connecting the bellows and improving The auxiliary function of the connecting device 3 for workers to connect the bellows is improved, which is beneficial for workers to quickly connect the bellows. In addition, by setting the protective device 4, when the bellows is connected, the connecting device 3 is protected. The equipment is used to guide the flow of fluid to achieve the purpose of transporting the fluid. The isolation cover 41 is sleeved on the connecting device 3, and the limit blocks 43 at both ends of the isolation cover 41 are inserted into the card plate 42. The positioning rod 44 is rotated and inserted into the card plate 42 to complete the protection. By setting the protective device 4, the connecting device 3 is effectively protected. When the bellows is connected, the protective device 4 is installed to avoid the protective device 4 being directly affected by the humid environment and rusting, thereby improving the protectiveness of the protective device 4 to the connecting device 3, reducing the rust of the parts of the connecting device 3, and improving the service life of the connecting device 3.
Claims
1. A flame retardant HDPE double-wall corrugated pipe with a quick connection structure, comprising a main pipe (1), a secondary pipe (2) and a connecting device (3), characterized in that: The secondary pipe (2) is placed on one side of the primary pipe (1); the connecting device (3) is arranged on the surface of the primary pipe (1); the connecting device (3) comprises a first sealing edge (31); the first sealing edge (31) is fixedly connected to the surface of one end of the secondary pipe (2); the first sealing edge (31) is located on one side of the primary pipe (1); one end of the primary pipe (1) is fixedly connected to a second sealing edge (32); the second sealing edge (32) is in contact with the surface of the first sealing edge (31); the surfaces of the primary pipe (1) and the secondary pipe (2) are both fixedly connected to support blocks (34); the support blocks The support blocks (34) are arranged in a ring shape around the main pipe (1); threaded rods (36) are placed on the surfaces of the two support blocks (34); the threaded rods (36) are located on the outside of the first edge seal (31); the surface of the threaded rod (36) close to the second edge seal (32) is threadedly connected to a first threaded block (35); the first threaded block (35) contacts the surface of the support block (34); the surface of the threaded rod (36) close to the first edge seal (31) is threadedly connected to a second threaded block (37); the second threaded block (37) contacts the surface of the support block (34).
2. The flame-retardant HDPE double-wall corrugated pipe with a quick-connection structure according to claim 1, characterized in that: A leak-proof ring (33) is placed between the first sealing edge (31) and the second sealing edge (32), and the leak-proof ring (33) is located between the main pipe (1) and the auxiliary pipe (2).
3. The flame-retardant HDPE double-wall corrugated pipe with a quick connection structure according to claim 1, characterized in that: The surface of the main pipe (1) is provided with a protective device (4), the protective device (4) comprising a clamping plate (42), the clamping plate (42) being fixedly connected to the surface of the main pipe (1), the clamping plate (42) being located on one side of the second edge seal (32).
4. The flame-retardant HDPE double-wall corrugated pipe with a quick-connection structure according to claim 3, characterized in that: The surfaces of the main pipe (1) and the auxiliary pipe (2) are connected with a same isolation cover (41), and the isolation cover (41) is sleeved on the surface of the connecting device (3).
5. The flame-retardant HDPE double-wall corrugated pipe with a quick-connection structure according to claim 4, characterized in that: The surfaces at both ends of the isolation cover (41) are fixedly connected to limit blocks (43), and the limit blocks (43) are plugged into the inner surface of the clamping plate (42).
6. The flame-retardant HDPE double-wall corrugated pipe with a quick-connection structure according to claim 5, characterized in that: The inner surface of the limiting block (43) is threadedly connected with a positioning rod (44), and the positioning rod (44) is plugged into the inner surface of the clamping plate (42).
