A super-large-diameter sectional reinforced concrete drainage pipe

Abstract

The utility model relates to the technical field of super-large caliber sectional type reinforced concrete drainage pipe, disclose a super-large caliber sectional type reinforced concrete drainage pipe, including the pipe body, the both ends of pipe body are provided with small caliber end and large caliber end respectively, through setting up small caliber end and large caliber end respectively at the both ends of pipe body, and the mechanical cooperation of fixed ring, metal ring, screw rod and sealing ring piece is combined, realized the quick locking and automatic sealing between pipe section, its structure adopts rotatable screw rod and metal ring cooperation, can promote the plug ring block and the insertion top ring to enter sealing ring piece inside in the connecting process, make sealing ring piece produce radial dilatation effect to the sealed reliability of interface is improved, the stainless steel 304 material is selected to metal ring, both guaranteed corrosion resistance and strength, and improved and the sliding fit performance of pipe body outer wall, realize the stable locking of butt joint through setting up the bolt and fixed block of symmetry, effectively prevent the pipe section from producing the loosening under the working condition.

Description

Technical Field

[0001] This utility model relates to the technical field of ultra-large diameter segmented reinforced concrete drainage pipes, specifically an ultra-large diameter segmented reinforced concrete drainage pipe. Background Technology

[0002] Large-diameter segmented reinforced concrete drainage pipes refer to pipeline systems with large pipe diameters (usually over 2000 mm), formed by integral casting of reinforced concrete into pipe sections, and connected by multiple independent segmented structures to form a complete drainage channel.

[0003] Existing ultra-large diameter reinforced concrete drainage pipes are widely used in municipal drainage and underground water conveyance projects. However, most of them adopt direct sleeve or flange bolt connection structures, which are complex to install and require high construction precision. Moreover, the sealing components are mostly single rubber rings, which are prone to misalignment or uneven stress during installation, resulting in poor sealing at the connection and leakage problems. Due to the large weight of the pipe sections, there is a lack of effective mechanical auxiliary structures during on-site installation. Multiple hoisting equipment are often required to complete the work together, resulting in low construction efficiency and insufficient connection firmness.

[0004] Therefore, it is necessary to design an ultra-large diameter segmented reinforced concrete drainage pipe to solve the above problems. Utility Model Content

[0005] The purpose of this utility model is to provide an ultra-large diameter segmented reinforced concrete drainage pipe to solve the technical problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: an ultra-large diameter segmented reinforced concrete drainage pipe, comprising a pipe body, with a small-diameter end and a large-diameter end respectively provided at both ends of the pipe body. A sealing ring is fixedly connected to the outer surface of the small-diameter end, and a fixing ring is fixedly sleeved on the outer surface of the small-diameter end. Two symmetrical screws are fixedly sleeved on the outer surface of the fixing ring. A rotating block is fixedly connected to one end of each screw, and a metal ring is rotatably connected to the other end of each screw. A plug-in top ring is fixedly connected to one side of the metal ring, and a plugging ring block is fixedly connected to one side of the plug-in top ring. Two symmetrical fixing blocks are fixedly connected to the outer surface of the large-diameter end, and bolts are threadedly inserted into the outer surfaces of both fixing blocks. Two symmetrical threaded connection holes are opened on the outer surface of the fixing ring, and one end of each of the two bolts is threadedly inserted into the two threaded connection holes.

[0007] Preferably, the inner wall of the sealing ring has an arc-shaped surface, and one end of the plug ring block and the insertion top ring are slidably inserted into the interior of the sealing ring, and the top of the insertion top ring protrudes beyond the top of the plug ring block.

[0008] Preferably, the outer surface of the sealing ring is in contact with the inner wall of the large-diameter end, and the inner walls of both fixing blocks are in contact with the outer surface of the threaded connection hole.

[0009] Preferably, the metal ring is made of stainless steel 304, and the inner wall of the metal ring is in contact with the inside of the tube.

[0010] Preferably, the outer surface of the tube body is provided with two symmetrical arc-shaped grooves, and the two rotating blocks are respectively rotatably disposed inside the two arc-shaped grooves.

[0011] Preferably, the sealing ring, plug ring block, and plug top ring are all made of rubber, and the interior of the plug ring block and plug top ring are in contact with the outer surface of the tube body.

[0012] Compared with the prior art, the technical solution provided by this utility model has the following beneficial effects:

[0013] This invention achieves rapid locking and automatic sealing between pipe sections by setting a small-diameter end and a large-diameter end at both ends of the pipe body, and combining a fixing ring, a metal ring, a screw, and a sealing ring. The structure uses a rotatable screw that engages with the metal ring, pushing the plug ring block and the insertion top ring into the sealing ring during connection, causing the sealing ring to expand radially, thus improving the sealing reliability of the interface. The metal ring is made of 304 stainless steel, ensuring both corrosion resistance and strength, while also improving its sliding fit with the outer wall of the pipe. Symmetrical bolts and fixing blocks ensure stable locking at the joint, effectively preventing loosening of the pipe sections during operation. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model;

[0015] Figure 2 This is an exploded view of the sealing ring structure of this utility model;

[0016] Figure 3 for Figure 2 Enlarged structural diagram at point A in the middle;

[0017] In the diagram: 1. Pipe body; 2. Sealing ring; 3. Insert top ring; 4. Metal ring; 5. Fixing ring; 6. Screw; 7. Rotating block; 8. Arc groove; 9. Fixing block; 10. Bolt; 11. Plug ring block; 12. Threaded connection hole; 13. Small diameter end; 14. Large diameter end. Detailed Implementation

[0018] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0019] Obviously, many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0020] Please see Figure 1-3 This utility model provides an ultra-large diameter segmented reinforced concrete drainage pipe, including a pipe body 1. The pipe body 1 has a small-diameter end 13 and a large-diameter end 14 at its two ends. A sealing ring 2 is fixedly connected to the outer surface of the small-diameter end 13. A fixing ring 5 is fixedly sleeved on the outer surface of the small-diameter end 13. Two symmetrical screws 6 are fixedly sleeved on the outer surface of the fixing ring 5. A rotating block 7 is fixedly connected to one end of each screw 6, and a metal ring 4 is rotatably connected to the other end of each screw 6. A plug-in top ring 3 is fixedly connected to one side of the metal ring 4, and a plug ring block 11 is fixedly connected to one side of the plug-in top ring 3. Two symmetrical fixing blocks 9 are fixedly connected to the outer surface of the large-diameter end 14. Both fixing blocks 9 have bolts 10 threaded into their outer surfaces, and the fixing ring 5 has two symmetrical threaded connection holes 12 on its outer surface. One end of each bolt 10 is threaded into the two threaded connection holes 12. When the two pipe bodies 1 are connected, the smaller diameter end 13 can be inserted into the larger diameter end 14. Then, by rotating the two rotating blocks 7, the plug ring block 11 and the top ring 3 are slidably inserted into the sealing ring 2. The sealing ring 2 is used to improve the sealing at the joint of the two pipe bodies 1. The threaded connection of the two bolts 10 and the two threaded connection holes 12 makes the connection of the two pipe bodies 1 stable.

[0021] In order to better utilize the expansion of the sealing ring 2 to improve the connection sealing of the two pipe fittings 1, an arc-shaped surface is provided on one side of the inner wall of the sealing ring 2, and one end of the plug ring block 11 and the insertion top ring 3 are slidably inserted into the interior of the sealing ring 2, and the top of the insertion top ring 3 protrudes from the top of the plug ring block 11.

[0022] Furthermore, in order to better improve the connection stability of the two pipe fittings 1, the outer surface of the sealing ring 2 is in contact with the inner wall of the large diameter end 14, and the inner walls of the two fixing blocks 9 are in contact with the outer surface of the threaded connection hole 12.

[0023] Furthermore, in order to better facilitate the sliding connection of the plug ring block 11 and the insertion top ring 3, the metal ring 4 is made of stainless steel 304, and the inner wall of the metal ring 4 is in close contact with the inside of the tube body 1.

[0024] To facilitate the rotation of the two rotating blocks 7, two symmetrical arc-shaped grooves 8 are provided on the outer surface of the tube body 1, and the two rotating blocks 7 are respectively rotatably arranged inside the two arc-shaped grooves 8.

[0025] To further improve the sealing performance of the sealing ring 2, the sealing ring 2, the plug ring block 11 and the plug top ring 3 are all made of rubber, and the interior of the plug ring block 11 and the plug top ring 3 are in contact with the outer surface of the tube body 1.

[0026] In use, this utility model utilizes the small-diameter end 13 of two tubes 1 to slide into one end of the large-diameter end 14. Then, by rotating the two rotating blocks 7, the two insertion top rings 3 and plug ring blocks 11 are pushed into the interior of the sealing ring 2, causing the sealing ring 2 to expand. This allows the outer surface of the sealing ring 2 to come into close contact with the inner wall of the large-diameter end 14, thus ensuring the sealing at the connection of the two tubes 1. After connection, the two bolts 10 are rotated to connect with the fixing ring 5, thereby ensuring the connection stability between the two tubes 1 and improving the convenience and sealing of the connection between the two tubes 1.

[0027] The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the specific details of the above embodiments. Within the scope of the technical concept of the present invention, various simple modifications can be made to the technical solution of the present invention, and these simple modifications all fall within the protection scope of the present invention.

[0028] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable way without contradiction. In order to avoid unnecessary repetition, this utility model will not describe the various possible combinations separately.

[0029] Furthermore, various different embodiments of this utility model can be combined in any way, as long as they do not violate the spirit of this utility model, they should also be regarded as the content disclosed by this utility model.

Claims

1. A segmented reinforced concrete drainage pipe with an ultra-large diameter, comprising a pipe body (1), characterized in that: The tube body (1) has a small-diameter end (13) and a large-diameter end (14) at its two ends respectively. A sealing ring (2) is fixedly connected to the outer surface of the small-diameter end (13). A fixing ring (5) is fixedly sleeved on the outer surface of the small-diameter end (13). Two symmetrical screws (6) are fixedly sleeved on the outer surface of the fixing ring (5). A rotating block (7) is fixedly connected to one end of the screw (6). A metal ring (4) is rotatably connected to the other end of the screw (6). 4) is fixed to one side of a plug-in top ring (3), and a plug ring block (11) is fixed to one side of the plug-in top ring (3). Two symmetrical fixing blocks (9) are fixed to the outer surface of the large-diameter end (14), and bolts (10) are threaded into the outer surface of the two fixing blocks (9). Two symmetrical threaded connection holes (12) are opened on the outer surface of the fixing ring (5), and one end of the two bolts (10) is threaded into the interior of the two threaded connection holes (12).

2. The ultra-large diameter segmented reinforced concrete drainage pipe according to claim 1, characterized in that: The inner wall of the sealing ring (2) has an arc-shaped surface, and one end of the plug ring block (11) and the insertion top ring (3) are slidably inserted into the interior of the sealing ring (2), and the top of the insertion top ring (3) protrudes from the top of the plug ring block (11).

3. The ultra-large diameter segmented reinforced concrete drainage pipe according to claim 1, characterized in that: The outer surface of the sealing ring (2) is in contact with the inner wall of the large-diameter end (14), and the inner walls of the two fixing blocks (9) are in contact with the outer surface of the threaded connection hole (12).

4. The ultra-large diameter segmented reinforced concrete drainage pipe according to claim 1, characterized in that: The metal ring (4) is made of stainless steel 304, and the inner wall of the metal ring (4) is in contact with the inside of the tube (1).

5. The ultra-large diameter segmented reinforced concrete drainage pipe according to claim 1, characterized in that: The outer surface of the tube body (1) is provided with two symmetrical arc grooves (8), and the two rotating blocks (7) are respectively rotatably disposed inside the two arc grooves (8).

6. The ultra-large diameter segmented reinforced concrete drainage pipe according to claim 1, characterized in that: The sealing ring (2), the plug ring block (11) and the plug top ring (3) are all made of rubber, and the interior of the plug ring block (11) and the plug top ring (3) are in contact with the outer surface of the tube body (1).

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