Water intercepting and preventing drainage device at deformation joint structure
By setting a double waterproof structure of aluminum cover plate and flexible waterproof coil at the deformation joints, and using foam boards to reduce the impact of water flow, combined with the PVC pipe drainage groove and drainage assembly, the problems of poor waterproofing effect and high maintenance cost at the deformation joints are solved, improving the waterproofing effect and extending the service life of the building.
Patent Information
- Application Number
- CN202422260984.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-14
- Publication Date
- 2025-07-18
- Estimated Expiration
- 2034-09-14
AI Technical Summary
The existing waterproofing treatment methods at deformation joints have poor water-stop effect, are prone to damage and have high maintenance costs, resulting in water leakage and pollution of decoration, furniture and equipment, causing economic losses.
The aluminum cover plate and flexible waterproof coil are used to carry out two waterproof structures. The lower part of the flexible waterproof coil is filled with foam board, and the water flow is discharged through the PVC pipe drainage groove, and the drainage component is combined to enhance the waterproof performance.
It improves the waterproof performance at the deformation joints, reduces maintenance costs, and extends the service life of the building.
Smart Images

Figure CN223119261U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of building construction, in particular to a water intercepting, waterproofing and drainage device at a deformation joint structure. Background Art
[0002] In building engineering, a deformation joint is a structural joint set to prevent cracks or damage to a building caused by factors such as temperature changes, uneven settlement of the foundation, and earthquakes. However, the waterproof treatment methods at deformation joints have problems such as poor water-stopping effect, easy damage, and high maintenance costs. Especially after the completion of construction such as decoration and ceiling, the maintenance cost is high and the difficulty is extremely great, and the seepage water pollutes decoration, furniture, equipment, etc., which may cause huge economic losses. Content of the Utility Model
[0003] In order to solve the above technical problems, the utility model provides a water intercepting, waterproofing and drainage device at a deformation joint structure. By setting two waterproof structures of an aluminum cover plate and a flexible waterproof coiled material, the waterproof effect is effectively improved. By stuffing a foam board under the flexible waterproof coiled material, on the one hand, the impact force of water flow can be reduced, protecting the waterproof structure from damage, and on the other hand, the water after the failure of the two waterproof structures is slowly drained into a PVC pipe drainage trough, and finally discharged through a drainage component, effectively improving the waterproof performance at the deformation joint, reducing the maintenance cost, and extending the service life of the building.
[0004] The technical solution to achieve the purpose of the utility model is: a water intercepting, waterproofing and drainage device at a deformation joint structure, including a flexible waterproof coiled material, the flexible waterproof coiled material is fixed to the structure by multiple groups of steel nails, and an aluminum cover plate is installed at the upper end of the flexible waterproof coiled material. A heat preservation foam board is stuffed under the flexible waterproof coiled material, a PVC pipe is arranged at the lower end of the heat preservation foam board, a U-shaped hoop is arranged at one end of the PVC pipe in a fitting manner, and both ends of the U-shaped hoop are fixed to the structure by expansion screws. A drainage component is also included.
[0005] In some embodiments, the drainage component includes a rainwater pipe, and a complete pipe is connected to the outside of the rainwater pipe through a tee.
[0006] In some embodiments, the joint between the U-shaped hoop and the structure is sealed with a structural sealant.
[0007] In some embodiments, the outsides of multiple groups of steel nails are sealed with ointment and blocked with waterproof mortar.
[0008] In some embodiments, the PVC pipe is specifically a Φ110 split pipe.
[0009] In some embodiments, the U-shaped hoop is specifically made of metal.
[0010] Compared with the prior art, the remarkable advantages of this utility model are as follows:
[0011] By providing two waterproof structures, namely an aluminum cover plate and a flexible waterproof coiled material, the waterproof effect of this utility model is effectively improved. By stuffing a foam board under the flexible waterproof coiled material, on the one hand, it can reduce the impact force of water flow and protect the waterproof structure from damage. On the other hand, it slowly drains the water after the failure of the two waterproof layers into the PVC pipe drainage groove, and finally discharges it through the drainage component, effectively improving the waterproof performance at the deformation joint, reducing the maintenance cost, and extending the service life of the building;
[0012] It solves the problems of poor water stop effect, easy damage and high maintenance cost in the existing waterproof treatment method at the deformation joint. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] The following further explains this utility model in conjunction with the drawings and embodiments:
[0014] Figure 1 It is a schematic diagram of the overall structure of the waterproof drainage device provided in an embodiment of this utility model;
[0015] Figure 2 It is a schematic diagram of the separate structure of the drainage component provided in an embodiment of this utility model.
[0016] DESCRIPTION OF THE REFERENCE NUMERALS:
[0017] 1. Flexible waterproof coiled material; 2. Aluminum cover plate; 3. Steel nail; 4. Insulation foam board; 5. PVC pipe; 6. U-shaped hoop; 7. Expansion screw; 8. Structural sealant; 9. Rainwater pipe; 10. Three-way pipe; 11. Complete pipe. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0018] The following details this utility model, clearly and completely describes the technical solutions in the embodiments of this utility model. Obviously, the described embodiments are only a part of the embodiments of this utility model, rather than all of them. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the scope of protection of this utility model.
[0019] This utility model provides a water intercepting, waterproof and drainage device at the deformation joint structure by improvement. The technical solution of this utility model is as follows:
[0020] As Figure 1As shown in the figure, a water intercepting, waterproofing and drainage device at a deformation joint structure includes a flexible waterproof coiled material 1. The flexible waterproof coiled material 1 is fixed to the structure by multiple groups of steel nails 3, and an aluminum cover plate 2 is installed at the upper end of the flexible waterproof coiled material 1. By providing two waterproof structures of the flexible waterproof coiled material 1 and the aluminum cover plate 2, the waterproof effect is effectively improved. A heat preservation foam board 4 is stuffed at the lower part of the flexible waterproof coiled material 1. By stuffing the heat preservation foam board 4, on the one hand, it can reduce the impact force of water flow and protect the waterproof structure from damage, and on the other hand, it can slowly drain the water after the failure of the two waterproof layers into the drainage assembly. A PVC pipe 5 is arranged at the lower end of the heat preservation foam board 4. One end of the PVC pipe 5 is fitted with a U-shaped hoop 6, and both ends of the U-shaped hoop 6 are fixed to the structure by expansion screws 7. A drainage assembly is also included.
[0021] As Figure 2 shown, in one embodiment, the drainage assembly includes a rainwater downpipe 9. The outside of the rainwater downpipe 9 is connected with a complete pipe 11 through a tee pipe 10. The water can be discharged through the drainage assembly.
[0022] As Figure 1 shown, in one embodiment, the joint between the U-shaped hoop 6 and the structure is sealed with a structural sealant 8 to effectively prevent water from overflowing.
[0023] As Figure 1 shown, in one embodiment, the outsides of multiple groups of steel nails 3 are all sealed with ointment and blocked with waterproof mortar to prevent leakage.
[0024] As Figure 1 shown, in one embodiment, the PVC pipe 5 is specifically a Φ110 cut pipe, which ensures the drainage effect. At the same time, the PVC pipe 5 is made of the redundant pipes on the construction site, saving the construction cost.
[0025] As Figure 1 shown, in one embodiment, the U-shaped hoop 6 is specifically made of metal material and has good durability.
[0026] The specific working method is as follows: The heat preservation foam board 4 matching the width of the deformation joint is clamped into the deformation joint. The thickness of the heat preservation foam board 4 is slightly greater than the width of the deformation joint by ten millimeters. The flexible waterproof coiled material 1 is installed and fixed with multiple groups of steel nails 3. The outsides of multiple groups of steel nails 3 are sealed with ointment and protected with waterproof mortar to prevent leakage. An aluminum cover plate 2 is installed on the upper part of the flexible waterproof coiled material 1, which acts on two deformation joints, is connected to the structure with structural adhesive, and the joints are caulked. A Φ110 cut PVC pipe 5 is arranged at the lower part of the deformation joint and fixed to the lower structure with a U-shaped hoop 6 and leads to the drainage assembly. The joint with the structure is sealed with structural adhesive to prevent water from overflowing.
[0027] The technical means disclosed by the solution of the present utility model are not limited to those disclosed by the above technical means, but also include technical solutions composed of equivalent replacements of the above technical features. Matters not covered by the present utility model are common general knowledge in the art.
Claims
1. A water cut-off, waterproof and drainage device at a deformation joint structure, comprising a flexible waterproof coiled material (1), the flexible waterproof coiled material (1) is fixed to the structure by multiple groups of steel nails (3), and an aluminum cover plate (2) is installed at the upper end of the flexible waterproof coiled material (1), and a thermal insulation foam board (4) is stuffed in the lower part of the flexible waterproof coiled material (1), characterized in that: A PVC tube (5) is provided at the lower end of the thermal insulation foam board (4), a U-shaped clamp (6) is provided at one end of the PVC tube (5), both ends of the U-shaped clamp (6) are fixed to the structure by expansion screws (7), and a drainage component is also included.
2. The water cut-off, waterproof and drainage device at the deformation joint structure according to claim 1, characterized in that: The drainage assembly comprises a rainwater downpipe (9), the outer side of which is connected to a complete pipeline (11) via a tee pipe (10).
3. The water intercepting, waterproofing and drainage device at the deformation joint structure according to claim 1, characterized in that: The joint between the U-shaped clamp (6) and the structure is sealed with a structural sealant (8).
4. A water cut-off, waterproof and drainage device at a deformation joint structure according to claim 1, characterized in that: The exteriors of the multiple groups of steel nails (3) are sealed with ointment and plugged with waterproof mortar.
5. A water cut-off, waterproof and drainage device at a deformation joint structure according to claim 1, characterized in that: The PVC pipe (5) is specifically a split pipe of Φ110.
6. The water intercepting, waterproofing and drainage device at the deformation joint structure according to claim 1, wherein: The U-shaped clamp (6) is specifically made of metal.