Turnover aluminum die root slurry leakage prevention device and concrete pouring system

By using a reusable aluminum formwork root anti-leakage device, and utilizing elastic sealing components and force-applying structures, the problem of grout leakage in aluminum alloy formwork gaps was solved, improving sealing quality and ease of formwork removal, thus achieving green and environmentally friendly construction.

CN224161429UActive Publication Date: 2026-04-24CHINA SHIPPING ENTERPRISE DEV GRP CO LTD +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHINA SHIPPING ENTERPRISE DEV GRP CO LTD
Filing Date
2025-05-21
Publication Date
2026-04-24

AI Technical Summary

Technical Problem

Existing aluminum alloy formwork suffers from grout leakage during construction due to gaps between the angle aluminum base and the concrete wall surface. Current mortar sealing methods are difficult to operate, slow, ineffective, and increase the difficulty of demolding, affecting the quality of concrete wall formation and construction efficiency.

Method used

A reusable aluminum formwork root anti-leakage device is adopted, which utilizes elastic sealing components, extrusion structure and force application structure. The force application structure applies pressure to the pressure plate, so that the sealing component is in close contact with the pouring formwork and the floor, which enhances the sealing effect. The second pressure plate restricts the deformation of the sealing component and improves the quality of gap sealing.

Benefits of technology

It significantly reduces the risk of grout leakage, improves sealing quality, simplifies the formwork removal process, avoids floor pollution, achieves green and environmentally friendly practices, and shortens construction time.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the field of building construction, and particularly relates to a turnover aluminum die root slurry leakage prevention device and a concrete pouring system which are used for blocking a pouring template and a floor, and a gap is formed between the bottom of the pouring template and the floor. Comprising a plugging piece which is arranged on a floor and has elastic deformation force, an extrusion structure which is arranged on the side, away from the floor, of the plugging piece, and a force application structure which is arranged on the side, away from the plugging piece, of the extrusion structure. The extrusion structure comprises a first pressing plate clamped between the plugging piece and the force application structure and a second pressing plate connected to the end, away from the pouring formwork, of the first pressing plate, the force application structure is used for applying pressure to the first pressing plate so that the first pressing plate can press the plugging piece in the floor direction, and the second pressing plate abuts against the side, away from the pouring formwork, of the plugging piece. According to the utility model, the aluminum die root plugging quality and the concrete wall root structure forming quality can be improved, floor mortar pollution can be avoided, green and environment-friendly effects are realized, and the convenience of die removal can be improved.
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Description

Technical Field

[0001] This utility model belongs to the field of building construction, and in particular relates to a reusable aluminum formwork root anti-leakage device and a concrete pouring system. Background Technology

[0002] Currently, cast-in-place formwork is frequently used for building construction, and aluminum alloy formwork is widely used due to its significant advantages such as convenient reinforcement, effective control of wall flatness, and high reusability. During construction, to facilitate easy demolding, an aluminum corner frame is designed at the bottom of the formwork. In actual construction, a gap exists between the bottom of the aluminum corner frame and the concrete wall surface. This gap can lead to grout leakage during concrete pouring. To ensure the quality of the concrete pour, the gap needs to be sealed to prevent grout leakage.

[0003] Existing sealing methods typically involve filling the gap between the angle aluminum base and the floor with mortar. However, this method is difficult for workers due to the limited working surface at the angle aluminum base. Furthermore, the mortar filling process is slow and has a long curing time, which can easily lead to incomplete sealing and poor sealing results. After pouring, the mortar becomes construction waste. Additionally, using mortar for sealing increases the difficulty of subsequent formwork removal. Utility Model Content

[0004] The purpose of this application is to provide a reusable aluminum formwork root anti-leakage device and concrete pouring system, aiming to solve the problems of how to improve the sealing quality of aluminum formwork roots, the forming quality of concrete wall root structures, the convenience of demolding, and achieving green environmental protection.

[0005] To achieve the above objectives, the technical solution adopted in this application is as follows:

[0006] In a first aspect, a reusable aluminum formwork root anti-leakage device is provided for sealing the casting formwork and the floor surface. The casting formwork is erected on the floor surface, and there is a gap between the bottom of the casting formwork and the floor surface. The reusable aluminum formwork root anti-leakage device includes a sealing member disposed on the floor surface and having elastic deformation force, an extrusion structure disposed on the side of the sealing member away from the floor surface, and a force-applying structure disposed on the side of the extrusion structure away from the sealing member. The sealing member abuts against the side of the casting formwork and seals the gap. The extrusion structure includes a first pressure plate sandwiched between the sealing member and the force-applying structure and a second pressure plate connected to the end of the first pressure plate away from the casting formwork. The force-applying structure is used to apply pressure to the first pressure plate so that the first pressure plate presses the sealing member towards the floor surface. The second pressure plate abuts against the side of the sealing member away from the casting formwork.

[0007] In some embodiments, the sealing member includes a main body and a protrusion connected to the side of the main body away from the second pressure plate. The main body is disposed between the first pressure plate and the floor, and the protrusion extends into the gap.

[0008] In some embodiments, the casting template includes a connecting portion spaced apart from the floor surface, and the force-applying structure includes a connecting plate connected to the connecting portion on the side away from the floor surface and a fastener extending along the pressure direction of the first pressure plate. The connecting plate is provided with a first connecting hole, the connecting portion is provided with a second connecting hole, the fastener is movably inserted through the first connecting hole and the second connecting hole, and the end of the fastener away from the connecting plate abuts against the first pressure plate.

[0009] In some embodiments, the force-applying structure further includes a nut connected to the side of the connecting plate opposite to the connecting portion, and the fastener is threadedly connected to the nut.

[0010] In some embodiments, the nut is welded to the connecting plate.

[0011] In some embodiments, the force-applying structure further includes a connecting screw, the connecting plate is provided with a third connecting hole, the connecting part is provided with a fourth connecting hole, and the connecting screw passes through the third connecting hole and the fourth connecting hole to connect the connecting plate and the connecting part.

[0012] In some embodiments, along the spacing direction between the first connecting hole and the third connecting hole, the edge of the connecting plate is flush with the edge of the nut.

[0013] In some embodiments, the third connecting hole is an elliptical structure.

[0014] In some embodiments, the hardness of the sealing element is 30 Shore A to 45 Shore A.

[0015] Secondly, a concrete pouring system is provided, which includes the reusable aluminum formwork root anti-leakage device of the above-described scheme.

[0016] The beneficial effects of this application are as follows: When the reusable aluminum formwork root anti-leakage device of this application is used, pressure is applied to the first pressure plate through the force-applying structure, and the pressure is transmitted to the elastic sealing member through the first pressure plate. This can tighten the sealing member and trigger the deformation of the sealing member, making the sealing member more tightly contact the casting formwork and the floor, enhancing the sealing effect. In addition, the second pressure plate restricts the outward deformation of the sealing member away from the casting formwork, forcing it to squeeze towards the casting formwork, further improving the sealing effect on the gaps, significantly reducing the risk of grout leakage during concrete pouring, improving the sealing quality, and thus improving the forming quality of the concrete wall root structure. In addition, the sealing device is simple in structure, easy to install and remove, and compared with mortar sealing, it can improve the convenience of formwork removal and avoid mortar pollution on the floor, achieving green environmental protection. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the description of the embodiments or exemplary technologies will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the overall structure of a reusable aluminum formwork root anti-grouting device provided in one embodiment of this application;

[0019] Figure 2 yes Figure 1 A magnified structural diagram of part A in the middle;

[0020] Figure 3 yes Figure 2 A schematic diagram of another embodiment;

[0021] Figure 4 This is a schematic diagram of the overall structure of a reusable aluminum formwork root anti-grouting device provided in another embodiment of this application;

[0022] Figure 5 This is a schematic diagram of the structure of a connecting plate provided in one embodiment of this application.

[0023] The following are the labeling elements in the figure:

[0024] 10. Sealing component; 11. Main body; 12. Protrusion; 20. Extrusion structure; 21. First pressure plate; 22. Second pressure plate; 30. Force-applying structure; 31. Connecting plate; 311. First connecting hole; 312. Third connecting hole; 313. Clearance part; 32. Fastener; 33. Nut; 34. Connecting screw; 200. Casting template; 210. Aluminum template; 211. Horizontal plate; 212. Vertical plate; 213. Horizontal rib; 214. Vertical rib; 215. Pin; 216. Standard hole of aluminum template; 220. Angle aluminum; 221. Horizontal edge; 222. Vertical edge; 230. Connecting part; 231. Second connecting hole; 232. Fourth connecting hole; 300. Floor; 400. Gap; 500. Casting space. Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model. Therefore, the following detailed description of the embodiments of this utility model provided in the accompanying drawings is not intended to limit the scope of the claimed utility model, but merely represents selected embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0026] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0027] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0028] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0029] Please see Figures 1 to 5 This application provides a reusable aluminum formwork root anti-leakage device for sealing the casting formwork 200 and the floor 300. The casting formwork 200 is erected on the floor 300, and there is a gap 400 between the bottom of the casting formwork 200 and the floor 300. The reusable aluminum formwork root anti-leakage device includes a sealing member 10 with elastic deformation force disposed on the floor 300, an extrusion structure 20 disposed on the side of the sealing member 10 away from the floor 300, and a compression structure 20 disposed on the side of the extrusion structure 20 away from the sealing member 10. The force-applying structure 30 has a sealing member 10 abutting against one side of the casting template 200 and sealing the gap 400. The extrusion structure 20 includes a first pressure plate 21 sandwiched between the sealing member 10 and the force-applying structure 30 and a second pressure plate 22 connected to the end of the first pressure plate 21 away from the casting template 200. The force-applying structure 30 is used to apply pressure to the first pressure plate 21 so that the first pressure plate 21 presses the sealing member 10 towards the floor 300. The second pressure plate 22 abuts against the side of the sealing member 10 away from the casting template 200.

[0030] Understandably, the casting template 200 may include multiple templates spliced ​​together to form a casting space 500. The casting space 500 is used to cast the concrete wall to be formed. The sealing member 10 is located on the side of the casting template 200 away from the casting space 500, and the two connected surfaces of the sealing member 10 contact the casting template 200 and the floor 300 respectively, thereby sealing the gap 400 between the casting template 200 and the floor 300 and preventing concrete in the casting space 500 from leaking out through the gap 400. Specifically, in the embodiment of this application, the floor 300 is parallel to the horizontal plane, the casting template 200 is erected on the floor 300 and perpendicular to the floor 300, then the bottom surface of the sealing member 10 contacts the floor 300, and the side surface of the sealing member 10 contacts the casting template 200.

[0031] In this embodiment, the sealing element 10 has elastic deformation force, meaning that the sealing element 10 can deform under pressure. Specifically, the sealing element 10 is made of elastic materials such as rubber, silicone, or foam. Because the sealing element 10 is made of elastic material, it can produce vertical compression deformation and lateral compression deformation when subjected to the extrusion force of the first pressure plate 21, ensuring that the sealing strip is tightly fitted to the casting template 200 and the floor 300, improving the reliability of the sealing. Furthermore, the elastic material has high resilience and aging resistance, can withstand repeated compression, maintain stable sealing performance during long-term use, reduce the replacement frequency caused by material hardening and cracking, thereby reducing maintenance costs.

[0032] The reusable aluminum formwork root anti-leakage device of this application applies pressure to the first pressure plate 21 through the force-applying structure 30, and transmits the pressure to the elastic sealing member 10 through the first pressure plate 21. This compresses the sealing member 10 and triggers its deformation, making the sealing member 10 more tightly contacted with the casting formwork 200 and the floor 300, thus enhancing the sealing effect. Furthermore, the second pressure plate 22 restricts the sealing member 10 from expanding outward away from the casting formwork 200, forcing it to squeeze towards the casting formwork 200, further improving the sealing effect on the gap 400, significantly reducing the risk of grout leakage during concrete pouring, improving the sealing quality, and thus improving the forming quality of the concrete wall root structure. In addition, the sealing member 10 is simple in structure and easy to install and remove. Compared with mortar sealing, it can improve the convenience of formwork removal and avoid mortar pollution on the floor, achieving green environmental protection.

[0033] Furthermore, using sealing components 10 for sealing is more cost-effective than using mortar, and the economic advantage of using sealing components 10 becomes increasingly apparent as the building height increases. Moreover, mortar sealing requires waiting for the mortar to harden before pouring, while the reusable aluminum formwork root anti-leakage device of this embodiment can be poured immediately after installation, without waiting, thus shortening construction time, and eliminating the need for extensive chiseling and cleaning after pouring.

[0034] Optionally, the sealing component 10 is made of EPDM (Ethylene Propylene Diene Monomer). EPDM material can quickly return to its original shape after being compressed, allowing the sealing component 10 to be disassembled and reused multiple times. It can also provide uniform rebound force to avoid sealing failure. In addition, EPDM material has strong resistance and is not easy to harden, crack, or powder when exposed to outdoor construction environments (such as sun exposure, rain, snow, freeze-thaw cycles) for a long time. It has a long service life and has inert reaction characteristics to weak acids, weak alkalis, salt water and concrete additives, avoiding material swelling and embrittlement caused by contact with concrete slurry or curing agents, and maintaining stable sealing performance.

[0035] In some embodiments, such as Figure 3 As shown, the sealing component 10 includes a main body 11 and a protrusion 12 connected to the main body 11 on the side opposite to the second pressure plate 22. The main body 11 is located between the first pressure plate 21 and the floor surface 300, and the protrusion 12 extends into the gap 400. By providing the protrusion 12 extending into the gap 400, the sealing effect of the gap 400 can be further improved. Specifically, in the embodiments of this application, when the height of the gap 400 is 0mm to 20mm, the protrusion 12 may not be provided, while when the height of the gap 400 is greater than 20mm, the protrusion 12 is provided, and the choice can be made flexibly according to the actual situation. When the height of the gap 400 is 0mm to 20mm, the forming quality at the root of the concrete wall is good after pouring. It should be noted that under most normal working conditions, the height of the gap 400 is less than 20mm. Only in extremely rare working conditions will the height of the gap 400 be greater than 20mm. In such cases, the protrusion 12 can be provided for sealing, so that the sealing member 10 of this embodiment can better cope with extreme working conditions.

[0036] In this embodiment, the casting formwork 200 includes an aluminum formwork 210 arranged vertically and spaced apart from the floor 300, and an angle aluminum 220 connected to the end of the aluminum formwork 210 facing the floor 300. The angle aluminum 220 includes a horizontal side 221 extending horizontally and connected to the aluminum formwork 210, and a vertical side 222 connected to the horizontal side 221 and extending vertically. That is, in this embodiment, the gap 400 between the casting formwork 200 and the floor 300 is the gap between the bottom of the vertical side 222 and the floor 300. Optionally, in this embodiment, the thickness of the vertical side 222 is 5mm to 8mm, while the thickness of the protrusion 12 is 1mm less than the thickness of the vertical side 222, and the height of the protrusion 12 in the vertical direction is 18mm to 20mm. In a specific embodiment, the width of the horizontal side 221 of the angle aluminum 220 is 65mm, and the width of the vertical side 222 is 45mm.

[0037] In some embodiments, the casting formwork 200 includes a connecting portion 230 spaced apart from the floor 300. The force-applying structure 30 includes a connecting plate 31 connected to the side of the connecting portion 230 away from the floor 300 and a fastener 32 extending along the pressure direction of the first pressure plate 21. The connecting plate 31 is provided with a first connecting hole 311, and the connecting portion 230 is provided with a second connecting hole 231. The fastener 32 is movably inserted through the first connecting hole 311 and the second connecting hole 231, and the end of the fastener 32 away from the connecting plate 31 abuts against the first pressure plate 21. Specifically, the aluminum formwork 210 includes a horizontal plate 211 extending in the horizontal direction and connected to the horizontal edge 221 of the angle aluminum 220, and a vertical plate 212 connected to the horizontal plate 211 and extending in the vertical direction. The horizontal plate 211 and the horizontal edge 221 of the angle aluminum 220 are overlapped to form the connecting portion 230.

[0038] Optionally, the fastener 32 is a screw. Tightening the fastener 32 with an electric wrench causes it to move downwards and apply pressure to the first pressure plate 21. The first pressure plate 21 then applies evenly distributed pressure to the sealing component 10, causing deformation of the sealing component 10. Using fasteners such as screws 32 allows for precise control of the downward displacement through rotation, enabling adjustment of the compression of the sealing component 10. This avoids damage from overpressure or leakage from underpressure. Furthermore, the operation is convenient, supporting both electric tools (electric wrenches) and manual tools (wrenches), eliminating the need for specialized equipment and improving construction efficiency. Additionally, the screws are industrially produced standard parts, allowing for immediate replacement upon wear, reducing maintenance costs.

[0039] Specifically, the connecting plate 31 is made of steel. Additionally, since the fastener 32 may cause the connecting plate 31 to tilt upwards when tightened, the thickness of the connecting plate 31 can be appropriately increased to prevent this. Optionally, the thickness of the connecting plate 31 is 4mm to 5mm.

[0040] Optionally, the fastener 32 is an M16 screw, and the length of the fastener 32 is 80mm to 120mm. Understandably, the length of the fastener 32 can be flexibly selected according to the distance between the horizontal edge 221 of the angle aluminum 220 and the floor 300. For example, if the distance between the horizontal edge 221 of the angle aluminum 220 and the floor 300 is large, a longer fastener 32 can be selected, thereby ensuring the travel of the fastener 32 and ensuring that the fastener 32 can apply force to the first pressure plate 21.

[0041] In some embodiments, the force-applying structure 30 further includes a nut 33 connected to the side of the connecting plate 31 opposite to the connecting portion 230, and the fastener 32 is threadedly connected to the nut 33. By providing a threaded connection between the nut 33 and the fastener 32, the nut 33 provides a more secure threaded connection, making it easier to tighten the fastener 32, thereby improving operational convenience and efficiency. Furthermore, compared to the fastener 32 only being threaded to the connecting plate 31 itself, the nut 33 prevents wear on the threads of the connecting plate 31 from affecting the tightening of the fastener 32. Additionally, the nut 33 increases the contact area of ​​the connection, thereby improving the overall connection strength.

[0042] In some embodiments, the force-applying structure 30 further includes a connecting screw 34. The connecting plate 31 has a third connecting hole 312, and the connecting part 230 has a fourth connecting hole 232. The connecting screw 34 passes through the third connecting hole 312 and the fourth connecting hole 232 to connect the connecting plate 31 and the connecting part 230. By providing the connecting screw 34 to pass through the third connecting hole 312 and the fourth connecting hole 232, the stability of the connection between the connecting plate 31 and the connecting part 230 can be improved, and the stability of the connection between the aluminum formwork 210 and the angle aluminum 220 can also be improved. It should be noted that the second connecting hole 231 and the fourth connecting hole 232 are structures that are inherent to the conventional casting formwork 200 itself, namely, the standard hole 216 of the aluminum formwork, and the second connecting hole 231 and the fourth connecting hole 232 are the same size.

[0043] In some embodiments, the nut 33 is welded to the connecting plate 31. By welding the nut 33 to the connecting plate 31, the nut 33 and the connecting plate 31 can form an integral structure. Since the connecting part 230 and the nut 33 are made of different materials and have different melting points, they cannot be welded. Therefore, in this embodiment, the connecting plate 31 is first clamped and fixed to the connecting part 230 by the connecting screw 34, and then the nut 33 is welded to the connecting plate 31, thereby fixing the nut 33 to the connecting part 230 and making the position of the nut 33 stable.

[0044] In some embodiments, along the interval direction between the first connecting hole 311 and the third connecting hole 312, the edge of the connecting plate 31 is flush with the edge of the nut 33, that is, the edge of the connecting plate 31 does not extend beyond the edge of the nut 33, preventing the connecting plate 31 from excessively extending and interfering with the vertical ribs 214 of the aluminum template 210, and saving material and avoiding material waste. In addition, a clearance portion 313 is provided at the corner of the connecting plate 31 to avoid interference between the connecting plate 31 and the vertical ribs 214 of the aluminum template 210. It is understood that the aluminum template 210 typically includes staggered vertical ribs 214 and horizontal ribs 213.

[0045] In some embodiments, the third connecting hole 312 is an elliptical structure. By setting the third connecting hole 312 to an elliptical structure, the coverage area of ​​the third connecting hole 312 can be increased, providing movement space in a specific direction (such as the axial or force direction), allowing the fastener 32 and the third connecting hole 312 to adjust their relative positions within a certain range, preventing misalignment of the fastener 32 and the third connecting hole 312 due to manufacturing errors, offsets, or tilting, thereby improving the freedom of installation. In addition, to increase the structural strength of the connecting plate 31, the inner diameter of the third connecting hole 312 can be appropriately reduced.

[0046] In one specific embodiment, the major diameter of the third connecting hole 312 is 20mm, the minor diameter of the third connecting hole 312 is 16mm, the length of the connecting plate 31 is 80mm, and the width of the connecting plate 31 is 45mm.

[0047] It should be noted that the force-applying structure 30 in this embodiment can be reused with the aluminum formwork 210 after the casting formwork 200 is demolded, so there is no need for repeated assembly. In addition, the extrusion structure 20 can be reused on multiple floors, and the sealing component 10 can also be reused multiple times.

[0048] In some embodiments, the hardness of the sealing element 10 is 30 Shore A to 45 Shore A. In a specific embodiment, the Shore hardness of the sealing element 10 is selected as 42 Shore A. At this time, the sealing element 10 has a better sealing effect, and the selection of the sealing element 10 with a hardness of 42 Shore A can control the production error when processing the protrusion 12.

[0049] Optionally, when the height of the gap 400 is 0mm to 20mm (i.e., without the protrusion 12), the vertical height of the sealing member 10 is 27mm to 35mm. When the height of the gap 400 is greater than 20mm, with the protrusion 12, the vertical height of the sealing member 10 is 35mm to 45mm. Understandably, the height of the sealing member 10 cannot be too large, otherwise it will be impossible to install it in the lower space of the connecting part 230; the height of the sealing member 10 also cannot be too small, otherwise the height of the compressed sealing member 10 will further decrease and become smaller than the height of the gap 400, thus causing the sealing effect on the gap 400 to fail. In a specific embodiment, the width of the sealing member 10 in the horizontal direction is 50mm.

[0050] In this embodiment, the vertical height of the second pressure plate 22 is 16mm to 20mm. Understandably, the vertical height of the second pressure plate 22 cannot be too large, otherwise the second pressure plate 22 will abut against the floor surface 300 before the sealing member 10 is fully compressed, thus affecting the deformation effect of the sealing member 10. Conversely, the vertical height of the second pressure plate 22 cannot be too small, as this reduces its ability to restrict the outward expansion deformation of the sealing member 10. In a specific embodiment, when the height of the sealing member 10 is 30mm, the horizontal width of the first pressure plate 21 is 50mm, the vertical height of the second pressure plate 22 is 18mm, and the thickness of both the first pressure plate 21 and the second pressure plate 22 is 3mm.

[0051] In some embodiments, the casting formwork 200 includes a plurality of aluminum formwork 210 arranged in a horizontal direction. The plurality of aluminum formwork 210 are spliced ​​together and connected to each other by pins 215. The width of each aluminum formwork 210 can be the same or different. For example, the width of the aluminum formwork 210 can be 400mm, 350mm, 300mm, 250mm, 200mm or 150mm.

[0052] In addition, multiple sealing elements 10 can be provided along the splicing direction of the aluminum template 210. The sealing element 10 is a long strip structure, and two adjacent sealing elements 10 abut against each other, thereby ensuring that the sealing element 10 can seal the gap 400. In a specific embodiment, the length of each sealing element 10 is 1200mm.

[0053] Specifically, the extrusion structure 20 is an angle steel, which can extend along the length of the sealing member 10 to ensure that the angle steel can cover the sealing member 10. In addition, multiple angle steels can be set along the splicing direction of the aluminum template 210, with each angle steel corresponding to each sealing member 10.

[0054] This utility model also proposes a concrete pouring system, which includes a reusable aluminum formwork root anti-leakage device. The specific structure of the reusable aluminum formwork root anti-leakage device is as described in the above embodiments. Since this concrete pouring system adopts all the technical solutions of all the above embodiments, it also has all the beneficial effects brought about by the technical solutions of the above embodiments, which will not be described in detail here.

[0055] In summary, the reusable aluminum formwork root anti-leakage device of this application applies pressure to the first pressure plate 21 through the force-applying structure 30, and transmits the pressure to the elastic sealing member 10 through the first pressure plate 21. This compresses the sealing member 10 and triggers its deformation, making the sealing member 10 more tightly contacted with the casting formwork 200 and the floor 300, thus enhancing the sealing effect. Furthermore, the second pressure plate 22 restricts the sealing member 10 from expanding outward away from the casting formwork 200, forcing it to squeeze towards the casting formwork 200, further improving the sealing effect on the gap 400, significantly reducing the risk of grout leakage during concrete pouring, improving the sealing quality, and thus improving the forming quality of the concrete wall root structure. In addition, the sealing member 10 is simple in structure and easy to install and remove. Compared with mortar sealing, it can improve the convenience of formwork removal and avoid mortar pollution on the floor, achieving green environmental protection.

[0056] The above are merely optional embodiments of this application and are not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the scope of the claims of this application.

Claims

1. A reusable aluminum formwork root anti-leakage device for sealing a casting template (200) and a floor surface (300), wherein the casting template (200) is erected on the floor surface (300) and a gap (400) exists between the bottom of the casting template (200) and the floor surface (300), characterized in that: The reusable aluminum formwork root anti-leakage device includes a sealing member (10) with elastic deformation force disposed on the floor surface (300), an extrusion structure (20) disposed on the side of the sealing member (10) away from the floor surface (300), and a force-applying structure (30) disposed on the side of the extrusion structure (20) away from the sealing member (10). The sealing member (10) abuts against one side of the casting template (200) and seals the gap (400). The extrusion structure (20) includes a clamping device for the casting template (200). The first pressure plate (21) between the sealing member (10) and the force-applying structure (30) and the second pressure plate (22) connected to the end of the first pressure plate (21) away from the casting template (200) are provided. The force-applying structure (30) is used to apply pressure to the first pressure plate (21) so that the first pressure plate (21) presses the sealing member (10) towards the floor (300). The second pressure plate (22) abuts against the side of the sealing member (10) away from the casting template (200).

2. The reusable aluminum formwork root anti-leakage device as described in claim 1, characterized in that: The sealing component (10) includes a main body (11) and a protrusion (12) connected to the side of the main body (11) away from the second pressure plate (22). The main body (11) is located between the first pressure plate (21) and the floor (300), and the protrusion (12) extends into the gap (400).

3. The reusable aluminum formwork root anti-leakage device as described in claim 1, characterized in that: The casting template (200) includes a connecting part (230) spaced apart from the floor (300). The force-applying structure (30) includes a connecting plate (31) connected to the connecting part (230) on the side away from the floor (300) and a fastener (32) extending along the pressure direction of the first pressure plate (21). The connecting plate (31) is provided with a first connecting hole (311), and the connecting part (230) is provided with a second connecting hole (231). The fastener (32) is movably inserted through the first connecting hole (311) and the second connecting hole (231). The end of the fastener (32) away from the connecting plate (31) abuts against the first pressure plate (21).

4. The reusable aluminum formwork root anti-leakage device as described in claim 3, characterized in that: The force-applying structure (30) also includes a nut (33) connected to the side of the connecting plate (31) away from the connecting part (230), and the fastener (32) is threadedly connected to the nut (33).

5. The reusable aluminum formwork root anti-leakage device as described in claim 4, characterized in that: The nut (33) is welded and fixed to the connecting plate (31).

6. The reusable aluminum formwork root anti-leakage device as described in claim 4, characterized in that: The force-applying structure (30) also includes a connecting screw (34), the connecting plate (31) is provided with a third connecting hole (312), the connecting part (230) is provided with a fourth connecting hole (232), and the connecting screw (34) passes through the third connecting hole (312) and the fourth connecting hole (232) to connect the connecting plate (31) and the connecting part (230).

7. The reusable aluminum formwork root anti-leakage device as described in claim 6, characterized in that: Along the interval direction between the first connecting hole (311) and the third connecting hole (312), the edge of the connecting plate (31) is flush with the edge of the nut (33).

8. The reusable aluminum formwork root anti-leakage device as described in claim 6, characterized in that: The third connecting hole (312) has an elliptical structure.

9. The reusable aluminum formwork root anti-leakage device as described in any one of claims 1 to 8, characterized in that: The hardness of the sealing element (10) is 30 Shore A to 45 Shore A.

10. A concrete pouring system, characterized in that, Includes the reusable aluminum formwork root anti-leakage device as described in any one of claims 1-9.