A kind of buried drainage pipe construction butt joint reinforcing structure
The rigid reinforcement of the protective pipe and clamp ring structure solved the problem of cracking at the joint of buried drainage pipes caused by soil settlement, and improved the strength and sealing of the drainage pipes.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANXI BOPENG CONSTRUCTION ENGINEERING CO LTD
- Filing Date
- 2025-09-28
- Publication Date
- 2026-07-21
Smart Images

Figure CN224533736U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of drainage pipe construction technology, and in particular relates to a reinforcement structure for the joint of buried drainage pipes. Background Technology
[0002] Reinforcing the joints of buried drainage pipes is a core aspect of ensuring the sealing, settlement resistance, and long service life of the pipeline system. Buried drainage pipes mainly consist of metal pipes and plastic pipes. After the plastic pipes are heat-fused together, a reinforcing pipe is fitted over the joint for protection, enhancing their sealing reliability and pull-out resistance.
[0003] After the drainage pipes are connected during burial, the joint is reinforced by heat fusion. The sealing reliability and pull-out resistance are increased by installing a reinforcement pipe. However, when the soil settles, the joint will crack due to uneven stress. Therefore, a reinforcement structure for the joint of buried drainage pipes is needed. The reinforcement structure can rigidly reinforce the joint of the buried drainage pipes, avoid cracking due to uneven stress caused by soil settlement, and improve the firmness of the buried drainage pipe joint. Utility Model Content
[0004] The purpose of this utility model is to provide a reinforcement structure for the joint of buried drainage pipes. This structure can rigidly reinforce the joint of buried drainage pipes, preventing cracking due to uneven stress caused by soil settlement, and improving the firmness of the buried drainage pipe joint, thereby solving the aforementioned technical problems.
[0005] The technical solution of this utility model to solve the above-mentioned technical problems is as follows: A reinforcement structure for the joint of an underground drainage pipe includes a protective pipe sleeved on the surface of two connecting pipes. Both ends of the protective pipe are provided with sealant. Two symmetrical clamping rings are sleeved on the surface of one of the connecting pipes, and two symmetrical clamping rings are sleeved on the surface of the other connecting pipe. Threaded sleeves are rotatably connected to the surfaces of the two clamping rings. Two symmetrical fixing plates are fixedly connected to the surfaces of the two clamping rings. A groove is opened on the side of the fixing plate away from the clamping ring. A threaded rod is threadedly connected to the inner cavity of the threaded sleeve. A torsion block is fixedly connected to one end of the threaded rod. A retaining sleeve is sleeved on the surface of the threaded rod, and the retaining sleeve is adapted to the retaining groove. Two symmetrical fixing bolts are provided through the surfaces of the two clamping rings and the two clamping rings. The two clamping rings and the two clamping rings are fixed to the surface of the connecting pipe by fixing bolts.
[0006] Preferably, anti-slip pads are fixedly connected to the opposite sides of the two clamping rings and the two clamping rings, and the anti-slip pads are in contact with the surface of the connecting pipe.
[0007] Preferably, two symmetrical elastic washers are provided between the two clamping rings one and the two clamping rings two, and the fixing bolts pass through the elastic washers.
[0008] Preferably, the protective tube is located between the two clamping rings one and the two clamping rings two.
[0009] Preferably, the twist block fits into the sleeve, and the sleeve is located between the two fixing plates.
[0010] Preferably, the surface of the anti-slip mat is provided with anti-slip texture, the elastic pad is rectangular, and the anti-slip mat is semi-circular.
[0011] The beneficial effects of this utility model are: 1. This utility model uses fixing bolts to fix two clamping rings one and two clamping rings two to the surface of two connecting pipe sections respectively, so that the threaded rod passes between the two fixing plates and moves with the threaded sleeve, so that the ferrule engages with the slot. At this time, the torsion block will limit the ferrule, thus achieving rigid reinforcement of the joint of the buried drainage pipe through the reinforcement structure, avoiding cracking caused by uneven stress at the joint due to soil settlement, and improving the firmness of the joint of the buried drainage pipe. 2. By setting up anti-slip pads, when the two clamping rings 1 and 2 are fixed to the surface of the connecting pipe by fixing bolts, the anti-slip pads will increase the friction between the clamping rings 1 and 2 and the connecting pipe, preventing the clamping rings 1 and 2 from sliding on the surface of the connecting pipe, and improving the stability of the clamping rings 1 and 2 on the surface of the connecting pipe. Attached Figure Description
[0012] in: Figure 1 This is a front view schematic diagram of one embodiment of the present utility model; Figure 2 This is a perspective view of one embodiment of the present utility model; Figure 3 This is a three-dimensional disassembled schematic diagram of one embodiment of the present utility model; Figure 4 This is one embodiment of the present utility model. Figure 3 A magnified view of point A in the middle.
[0013] The attached diagram lists the components represented by each number as follows: 1. Connecting pipe, 2. Protective pipe, 3. Sealant, 4. Clamp ring one, 5. Clamp ring two, 6. Threaded sleeve, 7. Fixing plate, 8. Slot, 9. Threaded rod, 10. Torsion block, 11. Sleeve, 12. Fixing bolt, 13. Anti-slip pad, 14. Elastic gasket. Detailed Implementation
[0014] In the following description, embodiments of the reinforcement structure for the construction joint of the buried drainage pipe of this utility model will be described with reference to the accompanying drawings.
[0015] Example 1: Figure 1-4 This invention illustrates a reinforcement structure for the joint of an underground drainage pipe according to an embodiment of the present invention. It includes a protective pipe 2 fitted over the surfaces of two connecting pipes 1. Both ends of the protective pipe 2 are provided with sealant 3. Two symmetrical clamping rings 4 and 5 are fitted over the surface of one connecting pipe 1 and the other symmetrical clamping rings 5. Anti-slip pads 13 are fixedly connected to opposite sides of the clamping rings 4 and 5. The anti-slip pads 13 are in contact with the surface of the connecting pipe 1. By using the anti-slip pads 13, when the clamping rings 4 and 5 are fixed to the surface of the connecting pipe 1 by fixing bolts 12, the anti-slip pads 13 increase the friction between the clamping rings 4 and 5 and the connecting pipe 1, preventing the clamping rings 4 and 5 from sliding on the surface of the connecting pipe 1, thus improving the stability of the clamping rings 4 and 5 on the surface of the connecting pipe 1. Qualitatively, two symmetrical elastic washers 14 are provided between the two clamping rings 1-4 and the two clamping rings 2-5. The fixing bolts 12 pass through the elastic washers 14. The surface of the anti-slip pad 13 is provided with anti-slip texture. The elastic washers 14 are rectangular and the anti-slip pad 13 is semi-circular. The surfaces of the two clamping rings 1-4 are rotatably connected with threaded sleeves 6. The surfaces of the two clamping rings 2-5 are fixedly connected with two symmetrical fixing plates 7. The fixing plate 7 has a slot 8 on the side away from the clamping ring 1-4. The inner cavity of the threaded sleeve 6 is threadedly connected with a threaded rod 9. One end of the threaded rod 9 is fixedly connected with a torsion block 10. The surface of the threaded rod 9 is fitted with a retainer 11. The retainer 11 is adapted to the retainer 8. The surfaces of the two clamping rings 1-4 and the two clamping rings 2-5 are provided with two symmetrical fixing bolts 12. The two clamping rings 1-4 and the two clamping rings 2-5 are fixed to the surface of the connecting pipe 1 by fixing bolts 12.
[0016] Example 2: Figure 1-4This invention illustrates a reinforcement structure for the joint of an underground drainage pipe according to an embodiment of the present invention. It includes a protective pipe 2 fitted onto the surfaces of two connecting pipes 1. The protective pipe 2 is located between two clamping rings 4 and 5. Sealant 3 is applied to both ends of the protective pipe 2. Two symmetrical clamping rings 4 are fitted onto the surface of one connecting pipe 1, and two symmetrical clamping rings 5 are fitted onto the surface of the other connecting pipe 1. Threaded sleeves 6 are rotatably connected to the surfaces of both clamping rings 4, and two symmetrical fixing plates are fixedly connected to the surfaces of both clamping rings 5. 7. A groove 8 is provided on the side of the fixing plate 7 away from the clamp ring 4. A threaded rod 9 is threadedly connected to the inner cavity of the threaded sleeve 6. A torsion block 10 is fixedly connected to one end of the threaded rod 9. A retainer 11 is fitted on the surface of the threaded rod 9. The torsion block 10 fits into the retainer 11. The retainer 11 is located between the two fixing plates 7. The retainer 11 is adapted to the groove 8. Two symmetrical fixing bolts 12 are provided through the surfaces of the two clamp rings 4 and the two clamp rings 5. The two clamp rings 4 and the two clamp rings 5 are fixed to the surface of the connecting pipe 1 by the fixing bolts 12.
[0017] Working principle: When using this utility model, the user places two clamping rings 4 and two clamping rings 5 on the surfaces of the two sections of connecting pipe 1, respectively, so that the four fixing bolts 12 pass through the two clamping rings 4 and two clamping rings 5 and are threadedly connected to the nuts. The threaded rod 9 is rotated so that it passes between the two fixing plates 7 and moves threadedly with the threaded sleeve 6, so that the clamping sleeve 11 reaches between the two fixing plates 7 and engages with the clamping groove 8. At this time, the torsion block 10 will limit the clamping sleeve 11 to avoid cracking caused by uneven force at the joint due to soil settlement, thus improving the firmness of the buried drainage pipe joint. When the two clamping rings 4 and two clamping rings 5 are fixed to the surface of the connecting pipe 1 by the fixing bolts 12, the anti-slip pad 13 will increase the friction between the clamping rings 4 and two clamping rings 5 and the connecting pipe 1, preventing the clamping rings 4 and two clamping rings 5 from sliding on the surface of the connecting pipe 1, thus improving the stability of the clamping rings 4 and two clamping rings 5 on the surface of the connecting pipe 1.
[0018] In summary, this reinforcement structure for the joint of the buried drainage pipe uses fixing bolts 12 to fix two clamping rings 4 and two clamping rings 5 to the surfaces of the two connecting pipe sections 1 respectively. The threaded rod 9 moves between the two fixing plates 7 and the threaded sleeve 6, causing the clamp 11 to engage with the groove 8. At this time, the torsion block 10 limits the clamp 11, thus achieving rigid reinforcement of the joint of the buried drainage pipe through the reinforcement structure. This avoids cracking caused by uneven stress at the joint due to soil settlement, and improves the firmness of the buried drainage pipe joint.
Claims
1. A reinforcement structure for the joint of an underground drainage pipe, characterized in that, The system includes a protective tube (2) fitted onto the surface of two connecting tubes (1). Both ends of the protective tube (2) are provided with sealant (3). One of the connecting tubes (1) is fitted with two symmetrical clamping rings (4), and the other of the connecting tubes (1) is fitted with two symmetrical clamping rings (5). The surfaces of the two clamping rings (4) are rotatably connected with threaded sleeves (6). The surfaces of the two clamping rings (5) are fixedly connected with two symmetrical fixing plates (7). The fixing plates (7) are located away from the clamping rings (4). A slot (8) is provided. The inner cavity of the threaded sleeve (6) is threadedly connected to a threaded rod (9). One end of the threaded rod (9) is fixedly connected to a torsion block (10). A sleeve (11) is fitted on the surface of the threaded rod (9). The sleeve (11) is adapted to the slot (8). Two symmetrical fixing bolts (12) are provided through the surfaces of the two clamping rings (4) and the two clamping rings (5). The two clamping rings (4) and the two clamping rings (5) are fixed to the surface of the connecting pipe (1) by fixing bolts (12).
2. The reinforcement structure for the joint of an underground drainage pipe as described in claim 1, characterized in that, Anti-slip pads (13) are fixedly connected to the opposite sides of the two clamp rings (4) and the two clamp rings (5), and the anti-slip pads (13) are in contact with the surface of the connecting pipe (1).
3. The reinforcement structure for the joint of an underground drainage pipe as described in claim 2, characterized in that, Two symmetrical elastic washers (14) are provided between the two clamping rings one (4) and the two clamping rings two (5), and the fixing bolt (12) passes through the elastic washers (14).
4. The reinforcement structure for the joint of an underground drainage pipe as described in claim 3, characterized in that, The protective tube (2) is located between the two clamp rings one (4) and the two clamp rings two (5).
5. The reinforcement structure for the joint of an underground drainage pipe as described in claim 4, characterized in that, The twist block (10) fits into the sleeve (11), which is located between the two fixing plates (7).
6. The reinforcement structure for the joint of an underground drainage pipe as described in claim 5, characterized in that, The surface of the anti-slip mat (13) is provided with anti-slip texture, the elastic pad (14) is rectangular, and the anti-slip mat (13) is semi-circular.