Water-stop steel plate with flexible water-stop belt covered edge
By setting reinforcing components and positioning mechanisms on the waterstop steel plate, a spatial rigid frame structure and an elastic sealing layer are formed, which solves the problems of insufficient bending resistance and improper welding of the waterstop steel plate, and achieves higher deformation resistance and sealing effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHINA SHANXI SIJIAN GRP
- Filing Date
- 2025-07-10
- Publication Date
- 2026-05-22
AI Technical Summary
Existing waterstop steel plates have limited bending resistance when subjected to bending forces, and are prone to deformation due to local stress concentration, which affects the waterstop effect. Furthermore, improper welding operations may cause the steel plate to be welded through, affecting the construction quality.
The design incorporates reinforced components and positioning mechanisms, including protective crossbars, protective uprights, a first support rod, a second support rod, a two-way protective toothed plate, and a flexible expansion waterstop strip, forming a spatial rigid frame structure and an elastic sealing layer to enhance the steel plate's resistance to deformation and its sealing performance.
It improves the bending stiffness and deformation resistance of the waterstop steel plate, reduces the risk of deformation caused by local stress concentration, enhances the overall sealing performance, prevents leakage, and ensures construction quality.
Smart Images

Figure CN224266412U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of building fire protection technology, and more specifically, to a water-stop steel plate with a flexible water-stop strip edging. Background Technology
[0002] In building fire protection engineering, water-stop steel plates are key components for preventing leakage at joints of fire water tanks, water tanks and underground fire protection facilities. They are especially suitable for construction joints, post-pouring strips, and through-wall pipes. With the continuous improvement of building fire protection requirements at present, the requirements for the seepage resistance of building fire water tanks are also getting higher and higher.
[0003] Before pouring concrete, the reinforcing bars and the waterstop steel plate need to be fixed. Then the concrete is poured on the reinforcing bars and the waterstop steel plate. In the existing technology, the reinforcing bars are usually spot welded to the surface of the waterstop steel plate. However, the welding is uncontrollable and it is easy for construction workers to weld through the waterstop steel plate due to improper operation, thus affecting the waterstop effect.
[0004] A search revealed that Chinese patent CN220789861U discloses a water-stop steel plate. By setting connectors on the water-stop steel plate and fixing the connectors to the reinforcing bars, the steel plates can be avoided from being welded through. Furthermore, the structure is simple and the construction is convenient.
[0005] In actual use, the waterstop steel plate has limited bending resistance when subjected to bending force. When subjected to external force, it will deform due to local stress concentration, which will affect the normal use and water-stopping effect of the waterstop steel plate. Utility Model Content
[0006] In order to overcome the above-mentioned defects of the prior art, the present invention provides a water-stop steel plate with a flexible water-stop strip edge to solve the problems mentioned in the background art.
[0007] To achieve the above objectives, this utility model provides the following technical solution:
[0008] A waterstop steel plate with flexible waterstop strip edging includes a waterstop steel plate, both ends of which are fixedly connected to waterstop wing plates, a reinforcing component is installed on the waterstop steel plate, and a positioning mechanism is installed on the outer side of the two waterstop wing plates.
[0009] The reinforcing assembly includes multiple protective horizontal bars, which are fixedly connected to both sides of the waterstop steel plate. Multiple protective vertical bars are fixedly connected to both sides of the waterstop steel plate. The protective horizontal bars and protective vertical bars are distributed in a rectangular array on both sides of the waterstop steel plate. A reinforcing cavity is formed on the inner side of the waterstop steel plate. Multiple first support rods are fixedly connected inside the reinforcing cavity. A second support rod is fixedly connected to one side of each first support rod. The second support rod is fixedly connected to the inside of the reinforcing cavity. Connecting plates are fixedly connected to both ends of the first and second support rods. The connecting plates are fixedly connected to the inside of the reinforcing cavity. A bidirectional protective toothed plate is fixedly connected to one side of the connecting plate. Both sides of the bidirectional protective toothed plate are in contact with the inner side of the reinforcing cavity.
[0010] By adopting the above technical solutions, the deformation resistance of the waterstop steel plate can be enhanced, and the displacement or deformation of the steel plate caused by construction vibration or concrete shrinkage can be reduced.
[0011] As a further description of the above technical solution: the positioning mechanism includes two flexible expansion waterstop strips, which are disposed on the outside of the waterstop wing plate. Positioning grooves are provided at both ends of the waterstop wing plate. A positioning rod is fixedly connected to the inside of the positioning groove. A connecting groove is provided on the inside of the flexible expansion waterstop strip. The inside of the connecting groove is adapted to the positioning rod, and the inside of the connecting groove is slidably connected to the outside of the positioning rod.
[0012] By adopting the above technical solution, positioning can be provided for adhesive installation, which helps the two flexible expansion waterstop strips to form an edge on the outside of the waterstop wing plate, forming secondary waterproof performance and helping to improve the overall sealing performance.
[0013] The technical effects and advantages of this utility model are as follows:
[0014] 1. By setting up reinforcing components, compared with existing technologies, multiple protective uprights and horizontal bars are arranged in a "well" pattern to divide the surface of the waterstop steel plate into multiple small units, forming a spatial rigid frame structure. Through the cross distribution of multiple first and second support rods, which contact the convex surfaces of the two bidirectional protective toothed plates and the inner side of the reinforcing cavity, the risk of deformation of the waterstop steel plate caused by local stress concentration can be reduced, the bending stiffness of the waterstop steel plate can be improved, and thus the deformation resistance of the waterstop steel plate can be enhanced.
[0015] 2. By setting up a positioning mechanism, compared with the existing technology, the positioning groove and positioning rod can be used to position the flexible expansion waterstop strip before bonding, so that the two flexible expansion waterstop strips can form an edge on the outside of the waterstop wing plate. Utilizing the water expansion property, it can fill the tiny gaps between the steel plate and the concrete to form an elastic sealing layer, which can effectively control the leakage problem caused by the non-dense concrete at the construction joint and help improve the overall sealing performance. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model.
[0017] Figure 2 This is a schematic diagram of the water-stop wing plate structure of this utility model.
[0018] Figure 3 This is a cross-sectional view of the water-stop wing plate of this utility model.
[0019] Figure 4 This is a cross-sectional view and structural schematic diagram of the water-stop steel plate of this utility model.
[0020] Figure 5 This is a schematic diagram of the bidirectional protective toothed plate structure of this utility model.
[0021] Figure 6 This is a schematic diagram of the flexible expansion waterstop strip structure of this utility model.
[0022] The attached figures are labeled as follows: 1. Water-stop steel plate; 2. Water-stop wing plate; 3. Protective horizontal bar; 4. Protective vertical bar; 5. Reinforcing cavity; 6. First support rod; 7. Second support rod; 8. Connecting plate; 9. Two-way protective toothed plate; 10. Positioning groove; 11. Positioning rod; 12. Flexible expansion water-stop strip; 13. Connecting groove. Detailed Implementation
[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0024] The embodiments disclosed in this application are as follows: Figure 1-6 The waterstop steel plate shown includes a waterstop steel plate 1, with waterstop wing plates 2 fixedly connected to both ends of the waterstop steel plate 1, a reinforcing component installed on the waterstop steel plate 1, and a positioning mechanism installed on the outer side of the two waterstop wing plates 2.
[0025] The reinforcing assembly includes multiple protective horizontal bars 3, which are fixedly connected to both sides of the waterstop steel plate 1. Multiple protective vertical bars 4 are fixedly connected to both sides of the waterstop steel plate 1. The protective horizontal bars 3 and protective vertical bars 4 are arranged in a rectangular array on both sides of the waterstop steel plate 1. A reinforcing cavity 5 is formed inside the waterstop steel plate 1. Multiple first support rods 6 are fixedly connected inside the reinforcing cavity 5. A second support rod 7 is fixedly connected to one side of each first support rod 6 and is fixedly connected to the inside of the reinforcing cavity 5. Connecting plates 8 are fixedly connected to both ends of the first support rods 6 and second support rods 7 and are fixedly connected to the inside of the reinforcing cavity 5. A bidirectional protective toothed plate 9 is fixedly connected to one side of the connecting plate 8. Both sides of the bidirectional protective toothed plate 9 are attached to the inner side of the reinforcing cavity 5. By using multiple protective uprights 4 and protective crossbars 3 to form a "well" shape, the surface of the waterstop steel plate 1 can be divided into multiple small units, forming a spatial rigid frame structure. Through the intersection of multiple first support rods 6 and second support rods 7, effective support can be provided for the connecting plate 8 inside the waterstop steel plate 1. Furthermore, by using the convex surfaces on both sides of the two bidirectional protective toothed plates 9 to contact the inner side of the reinforcing cavity 5, the concentrated stress can be dispersed to the area around multiple protrusions, which can significantly improve the overall bending and torsional stiffness, reduce the risk of deformation, and thus enhance the deformation resistance of the waterstop steel plate 1.
[0026] Reference Figure 3 and 6 As shown, the positioning mechanism includes two flexible expansion waterstop strips 12, which are disposed on the outer side of the waterstop wing plate 2. Positioning grooves 10 are provided at both ends of the waterstop wing plate 2. Positioning rods 11 are fixedly connected to the inner side of each positioning groove 10. Connecting grooves 13 are provided on the inner side of each flexible expansion waterstop strip 12, and the inner side of the connecting groove 13 is adapted to the positioning rod 11. The inner side of the connecting groove 13 is slidably connected to the outer side of the positioning rod 11. This slidable connection between the inner side of the connecting groove 13 and the outer side of the positioning rod 11 allows the positioning rod 11 to provide support for the flexible expansion waterstop strip. Before installation, the water strip 12 provides a positioning function and uses the positioning rod 11 to fit the inner side of the connecting groove 13, so that the flexible expansion waterstop strip 12 can be installed on the outside of the waterstop wing plate 2. This helps the flexible expansion waterstop strip 12 to be accurately installed on the outside of the waterstop wing plate 2, thereby forming an edge on the outside of the waterstop wing plate 2 and providing secondary waterproofing performance. Utilizing the water expansion characteristic, it can fill the tiny gaps between the steel plate and the concrete, effectively controlling the leakage problem caused by the non-dense concrete at the construction joint, and helping to improve the overall sealing performance.
[0027] Working principle of this utility model: This utility model designs a water-stop steel plate with a flexible water-stop strip edging, the specific structure of which is shown in the attached instruction manual. Figure 1-6As shown, in this technical solution, through the cooperation between various structures, the water-stop steel plate 1 is first placed between the construction joints of the side wall of the fire water tank. Then, multiple flexible expansion water-stop strips 12 are bonded to both sides of the water-stop wing plate 2 on site. Before bonding, the positioning rod 11 is slidably connected to the inner side of the connecting groove 13 to provide positioning for the water-stop wing plate 2 before bonding, so that the flexible expansion water-stop strips 12 can be installed inside the positioning groove 10, so that the two flexible expansion water-stop strips 12 can form an edge on the outer side of the water-stop wing plate 2. Multiple protective uprights 4 and protective crossbars 3 are intersected. Arranged in a "well" shape, forming a spatial rigid frame structure, the waterstop steel plate 1 can enhance its resistance to deformation. At the same time, the cross arrangement of multiple first support rods 6 and second support rods 7 can effectively support the connecting plate 8 inside the reinforcing cavity 5 and improve the bending stiffness of the waterstop steel plate 1. The two convex surfaces of the two bidirectional protective toothed plates 9 contact the inside of the reinforcing cavity 5. When the waterstop steel plate 1 is subjected to stress impact, the concentrated stress can be dispersed to the area around multiple protrusions, reducing the risk of steel plate deformation caused by local stress concentration and effectively resisting steel plate bending.
[0028] In the accompanying drawings of the embodiments disclosed in this utility model, only the structures involved in the embodiments of this utility model are shown. Other structures can be referred to with ordinary design. In the absence of conflict, the same embodiment and different embodiments of this utility model can be combined with each other.
[0029] All contents not described in detail in the specification are existing technologies known to those skilled in the art, and the model parameters of each electrical appliance are not specifically limited; conventional equipment can be used. Electrical control components not mentioned in this technical solution are existing technologies and are therefore not shown in the figures and will not be described here.
[0030] In conclusion, the above are merely preferred embodiments of this utility model and are not intended to limit this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A waterstop steel plate with a flexible waterstop edge, comprising a waterstop steel plate (1), characterized in that: Both ends of the water-stop steel plate (1) are fixedly connected to water-stop wing plates (2), and a reinforcing component is installed on the water-stop steel plate (1). A positioning mechanism is installed on the outer side of the two water-stop wing plates (2). The reinforcing component includes multiple protective crossbars (3), which are fixedly connected to both sides of the waterstop steel plate (1). Multiple protective uprights (4) are fixedly connected to both sides of the waterstop steel plate (1). The protective crossbars (3) and the protective uprights (4) are distributed in a rectangular array on both sides of the waterstop steel plate (1). A reinforcing cavity (5) is opened on the inner side of the waterstop steel plate (1).
2. The waterstop steel plate with flexible waterstop edge according to claim 1, characterized in that: Multiple first support rods (6) are fixedly connected inside the reinforcing cavity (5), and a second support rod (7) is fixedly connected to one side of the first support rod (6). The second support rod (7) is fixedly connected to the inside of the reinforcing cavity (5).
3. The waterstop steel plate with flexible waterstop edge according to claim 2, characterized in that: Both ends of the first support rod (6) and the second support rod (7) are fixedly connected to connecting plates (8), and the connecting plates (8) are fixedly connected to the inside of the reinforcing cavity (5).
4. The waterstop steel plate with flexible waterstop edge according to claim 3, characterized in that: A bidirectional protective toothed plate (9) is fixedly connected to one side of the connecting plate (8), and both sides of the bidirectional protective toothed plate (9) are in contact with the inner side of the reinforcing cavity (5).
5. The waterstop steel plate with flexible waterstop edge according to claim 1, characterized in that: The positioning mechanism includes two flexible expansion waterstop strips (12), which are disposed on the outside of the waterstop wing plate (2).
6. The waterstop steel plate with flexible waterstop edge according to claim 1, characterized in that: The waterstop wing plate (2) has positioning grooves (10) at both ends, and a positioning rod (11) is fixedly connected to the inside of the positioning groove (10).
7. The waterstop steel plate with flexible waterstop edge according to claim 1, characterized in that: The flexible expansion waterstop strip (12) has a connecting groove (13) on its inner side. The inner side of the connecting groove (13) is adapted to the positioning rod (11), and the inner side of the connecting groove (13) is slidably connected to the outer side of the positioning rod (11).