A device for increasing the water-facing surface of a basement outer wall water-stop steel plate
Patent Information
- Application Number
- CN202522453869.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-19
- Publication Date
- 2026-10-13
- Estimated Expiration
- 2035-11-19
AI Technical Summary
[0005]现有专利仅设置普通止水钢板,未解决钢板与混凝土界面渗漏问题,水流仍会通过微缝隙渗透,缺乏疏水材料或自密封设计,无法应对长期渗水,并且后浇带工期长,施工效率低下,故而存在一定局限性
[0012]其一:本实用新型采用疏水纳米涂层钢板、挤塑板及吸水橡胶三重防护结构,形成梯度防水屏障;侧墙内部预设卡槽,实现吸水橡胶与止水板的快速精准安装,施工效率提升。
Smart Images

Figure CN224849430U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of wall waterproofing technology, and in particular to a device for increasing the water-facing surface of the water-stop steel plate on the exterior wall of a basement. Background Technology
[0002] Basement exterior wall waterproofing steel plate is a waterproof component used in construction joints or expansion joints of basement buildings. It is usually made of galvanized steel plate or stainless steel plate and prevents groundwater from seeping into the room by extending the water penetration path.
[0003] A search revealed Chinese patent CN1297941U, which discloses a steel plate water-stop structure for basement exterior walls. This relates to the technical field of exterior wall water-stop structures and addresses the problem that existing devices cannot effectively solve the issue of cracks in reinforced concrete slabs caused by backfilling of concrete guide walls, which, in the long run, affects the aesthetics and functionality of buildings. The patent includes a concrete wall with a post-pouring strip in the middle. First water-stop steel plates are installed on both sides of the post-pouring strip, and a gap is fixed below the strip. The post-pouring strip is an effective measure to minimize shrinkage cracks during construction. When the wall is not filled, the post-pouring strip allows for ongoing curing of the concrete. Therefore, water curing should begin as soon as the concrete reaches its final set, keeping the exposed surface moist to minimize shrinkage and ensure tighter concrete joints.
[0004] Based on the above search and existing technology, the findings were as follows:
[0005] Existing patents only use ordinary water-stop steel plates, which do not solve the problem of leakage at the interface between the steel plate and the concrete. Water can still seep through the micro-cracks. They lack hydrophobic materials or self-sealing designs, making them unable to cope with long-term water seepage. Furthermore, the post-pouring strip has a long construction period and low construction efficiency, thus having certain limitations. Utility Model Content
[0006] To solve the above-mentioned technical problems, this utility model proposes a device to increase the water-facing surface of the water-stop steel plate on the exterior wall of the basement, which effectively avoids water leakage.
[0007] The technical solution to achieve the purpose of this utility model is: a device for increasing the water-facing surface of the water-stop steel plate on the exterior wall of a basement, comprising a base plate and a side wall, wherein the side wall is fixedly installed on one side of the surface of the base plate, and further comprising a waterproof structure.
[0008] The waterproof structure includes a hydrophobic nano-coated steel plate fixedly installed on the water-facing side of the side wall.
[0009] Preferably, an extruded polystyrene board is fixedly installed on one side of the side wall, and multiple waterstops are fixedly installed on the inner top of the side wall.
[0010] Preferably, the side wall has slots on both sides inside, and water-absorbing rubber is fixedly installed inside the slots. The water-absorbing rubber is fixedly connected to the waterstop plate.
[0011] Compared with existing technologies, the significant advantages of this invention are:
[0012] Firstly, this utility model adopts a triple protective structure of hydrophobic nano-coated steel plate, extruded board, and water-absorbing rubber to form a gradient waterproof barrier; the side wall has a pre-set groove to realize the rapid and accurate installation of water-absorbing rubber and waterstop plate, thus improving construction efficiency.
[0013] Secondly, this utility model reduces the leakage risk of traditional water-stop steel plates and improves durability by extending the seepage path, actively draining water, and passively sealing leaks. The hydrophobic nano-coating reduces the corrosion rate of the steel plate. Furthermore, the standardized size design of the 50cm+5cm thick extruded polystyrene board that flips up on the side wall avoids on-site cutting errors. The formwork can be completely removed after the concrete is poured without subsequent repairs. This saves construction steps and shortens the construction period.
[0014] This invention solves the problems of existing patents that only use ordinary water-stop steel plates, which do not solve the leakage problem at the interface between the steel plate and the concrete. Water can still seep through micro-cracks. The lack of hydrophobic materials or self-sealing design makes it unable to cope with long-term water seepage. In addition, the construction period of the post-pouring strip is long and the construction efficiency is low. Attached Figure Description
[0015] The present invention will be further explained below with reference to the accompanying drawings and embodiments:
[0016] Figure 1 This is a three-dimensional structural schematic diagram provided in one embodiment of the present invention;
[0017] Figure 2 This is a front structural diagram provided in one embodiment of the present invention;
[0018] Figure 3 This is a cross-sectional structural diagram provided in two embodiments of the present invention;
[0019] Figure 4 This is a top view structural diagram of the present invention provided in two embodiments.
[0020] Explanation of reference numerals in the attached figures:
[0021] 1. Base plate; 2. Side walls; 3. Extruded polystyrene board; 4. Hydrophobic nano-coated steel plate; 5. Waterstop plate; 6. Water-absorbing rubber. Detailed Implementation
[0022] The present invention will now be described in detail, and the technical solutions in the embodiments of the present invention will be clearly and completely described. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present invention.
[0023] This utility model provides an improved device for increasing the water-facing surface of the water-stop steel plate on the exterior wall of a basement. The technical solution of this utility model is as follows:
[0024] Example 1
[0025] like Figures 1-2 As shown, a device for increasing the water-facing surface of a basement exterior wall waterstop steel plate includes a base plate 1 and a side wall 2. The side wall 2 is fixedly installed on one side of the surface of the base plate 1. The wall and the base plate 1 are made of cast concrete, resulting in a solid and durable structure. It also includes a waterproof structure.
[0026] The waterproof structure includes a hydrophobic nano-coated steel plate 4 fixedly installed on the water-facing side of the side wall 2, which extends the service life of the waterstop plate 5 and improves its corrosion resistance.
[0027] Example 2:
[0028] Based on the device for increasing the water-facing surface of the water-stop steel plate of the basement exterior wall provided in the first embodiment of this application, the second embodiment of this application proposes another device for increasing the water-facing surface of the water-stop steel plate of the basement exterior wall. The second embodiment is merely a preferred embodiment of the first embodiment, and the implementation of the second embodiment will not affect the separate implementation of the first embodiment.
[0029] The second embodiment of this utility model will be further described below with reference to the accompanying drawings and embodiments.
[0030] like Figures 3-4 As shown, a polystyrene board 3 is fixedly installed on one side of the side wall 2, and multiple waterstops 5 are fixedly installed on the inner top of the side wall 2. The polystyrene board 3 increases the water flow leakage path on the water-facing side and enhances the water-stopping effect of the waterstops 5.
[0031] Furthermore, slots are provided on both sides of the interior of the side wall 2, and water-absorbing rubber 6 is fixedly installed inside the slots. The water-absorbing rubber 6 is fixedly connected to the waterstop plate 5. The water-absorbing rubber 6 is installed at the bending part of the waterstop plate 5 to effectively prevent water from bypassing the waterstop plate 5 and seeping around both ends, and to fill and reinforce both ends of the waterstop plate 5.
[0032] Specific working method: During the construction of this device, the basement side wall 2 is turned up 50cm; a 5cm wide and 5cm thick extruded polystyrene board 3 is installed on the outer formwork of the water-facing side. After the concrete is poured, the formwork is removed. The water flow needs to pass through the bottom and sides of the extruded polystyrene board 3 before entering the construction joint. Together with the hydrophobic nano-coated steel plate 4 on the top of the side wall 2, the water flow leakage path on the water-facing side is increased, the water-stopping effect of the water-stopping board 5 is expanded, and the water-absorbing rubber 6 further improves the anti-leakage performance.
[0033] The technical means disclosed in this utility model are not limited to those described above, but also include technical solutions composed of equivalent substitutions of the above technical features. Matters not covered in this utility model are common knowledge to those skilled in the art.
Claims
1. A device for increasing the water-facing surface of a basement exterior wall waterstop steel plate, comprising a base plate (1) and side walls (2), characterized in that: The side wall (2) is fixedly installed on one side of the surface of the base plate (1), and also includes: A waterproof structure comprising a hydrophobic nano-coated steel plate (4) fixedly installed on the water-facing side of the side wall (2).
2. The device for increasing the water-facing surface of the water-stop steel plate on the exterior wall of a basement according to claim 1, characterized in that: One side of the side wall (2) is fixedly installed with an extruded polystyrene board (3), and multiple waterstop boards (5) are fixedly installed on the inner top of the side wall (2).
3. The device for increasing the water-facing surface of the water-stop steel plate on the exterior wall of a basement according to any one of claims 1-2, characterized in that: The side wall (2) has slots on both sides inside, and water-absorbing rubber (6) is fixedly installed inside the slots. The water-absorbing rubber (6) is fixedly connected to the water-stop plate (5).
Citation Information
Patent Citations
Human CCAAT binding factor 9 as one new kind of polypeptide and polynucleotides encoding this polypeptide
CN1297941A