House building basement waterproof structure and construction method thereof

Abstract

The invention relates to the field of building waterproofing, and discloses a house building basement waterproof structure and a construction method thereof.The house building basement waterproof structure comprises a waterproof plate, and an assembly sealing mechanism is arranged on the waterproof plate; the assembly sealing mechanism comprises an inserting plate, a partition plate, a moving plate, a vertical plate, a trapezoidal block, a side plate, a first rod body, a first disc body, a first spring, a triangular plate and a stabilizing plate. The top of the inserting plate is fixedly connected with the waterproof plate, the partition plate is fixedly installed in the inserting plate, the moving plate is slidably installed in the inserting plate, the bottom of the moving plate is fixedly connected with the vertical plate, the bottom of the vertical plate is fixedly connected with the trapezoidal block, the side plate is fixedly connected with the stabilizing plate, and the first rod body is fixedly installed on the inner wall of the inserting plate. The first rod body is sleeved with the side plate in a sliding mode. The waterproof device has the following advantages and effects that waterproof treatment is convenient, the waterproof effect is good, and the working intensity is low.

Description

Technical Field

[0001] The present invention relates to the technical field of building waterproofing, and in particular to a waterproof structure for a basement of a building and a construction method thereof. Background Art

[0002] A basement is a room whose bottom wall is more than half the room's net height below ground level. Multi-story and high-rise buildings require deeper foundations. To utilize this depth, a basement is constructed beneath the ground floor. This increases usable floor space while eliminating the need for backfill, making it more economical.

[0003] At present, basements in cities are generally used as parking lots. Vehicles of community owners enter the basement through a ramp. However, since the basement is below the ground level, rainwater can easily flow back into the basement, causing cars and other equipment in the basement to be soaked. In rainy or even extreme weather, most rainwater flows into the basement through the sloped channel connecting the ground and the basement. Therefore, the water-blocking effect of the ramp directly affects the waterproof effect inside the basement. In the existing technology, sandbags are laid at the entrance of the basement to perform waterproofing. However, this method has high work intensity and poor waterproofing effect. Therefore, it is necessary to design a waterproof structure for the basement of a building and a construction method thereof to solve the above problems. Summary of the Invention

[0004] The purpose of the present invention is to provide a waterproof structure for a basement of a building and a construction method thereof to solve the above problems.

[0005] The above technical objectives of the present invention are achieved through the following technical solutions: A waterproof structure for a basement of a building, comprising: A waterproof board, wherein the waterproof board is provided with an assembly sealing mechanism; The assembly sealing mechanism includes an insert plate, a partition plate, a movable plate, a vertical plate, a trapezoidal block, a side plate, a rod body, a disc body, a spring, a triangular plate and a stabilizing plate; The top of the plugboard is fixedly connected to the waterproof plate, the partition is fixedly installed inside the plugboard, the movable plate is slidably installed inside the plugboard, the bottom of the movable plate is fixedly connected to the vertical plate, the bottom of the vertical plate is fixedly connected to the trapezoidal block, the side plate is fixedly connected to the stabilizing plate, the rod body 1 is fixedly installed on the inner wall of the plugboard, the side plate is slidably sleeved on the outside of the rod body 1, the disk body 1 is fixedly connected to the rod body 1, the spring 1 is fixedly installed between the side plate and the disk body 1, and the triangular plate is fixedly installed on the side of the side plate.

[0006] The present invention is further configured as follows: the assembly sealing mechanism also includes a sealing airbag, a vertical plate, a floating plate, a box body, a sealing plate, a bottom plate, a side plate, a second rod body, a second disk body, a second spring and a conduit; a storage groove is provided on the outside of the waterproof plate; the sealing airbag is fixedly installed in the storage groove; the bottom of the vertical plate is fixedly connected to the movable plate; the bottom of the floating plate is fixedly connected to the vertical plate; the box body is fixedly installed on the top inner wall of the waterproof plate; the sealing plate is slidingly sealed and installed in the box body; the bottom plate is fixedly connected to the sealing plate; the side plate is fixedly installed on the side of the box body; the second rod body is fixedly connected to the bottom plate; the top of the second rod body is fixedly connected to the second disk body; the second spring is fixedly installed between the side plate and the second disk body; and the conduit is fixedly installed on the sealing airbag and the box body.

[0007] The present invention is further configured as follows: a blocking rod is fixedly connected to the top of the floating plate, a water filling hole is opened on the top of the waterproof plate, and the blocking rod is clamped with the water filling hole.

[0008] The above technical solution facilitates the insertion of water into the waterproofing panel, triggering the assembly sealing mechanism. The locking mechanism of the plugging rod into the water filling hole allows for flexible control of the water filling speed and volume by controlling the plugging rod during water filling, preventing overfilling or overflow. Furthermore, the plugging rod can be promptly re-engaged after water filling is complete to prevent splashing or leakage, enhancing the convenience and controllability of the water filling operation.

[0009] The present invention is further configured such that the top of the floating plate abuts against the bottom plate.

[0010] With this technical solution, when the floating plate moves due to rising water levels, it precisely drives the bottom plate to move synchronously. During the waterproof structure's installation, the floating plate ensures that the bottom plate is promptly pushed by the floating plate, driving the sealing plate within the enclosure. This allows air within the enclosure to flow smoothly through the conduit into the sealing airbag, effectively sealing adjacent waterproof plates. This tight abutment ensures the coherent and consistent movement of all components during assembly, preventing seal failures due to poor connection between components and effectively improving the overall sealing performance and reliability of the waterproof structure.

[0011] The present invention is further configured as follows: a through hole is provided at the bottom of the waterproof plate, and a through hole is passed through the top of the vertical plate.

[0012] Through this technical solution, the cooperation between the through-holes and the vertical plates provides guidance and positioning for the vertical plates, ensuring that the vertical plates maintain a stable trajectory as they move up and down with the floating plates, without deflection or shaking. This helps ensure the accuracy of the movement of the components connected to the vertical plates, such as the moving plates and vertical plates, and thus ensures that the trapezoidal blocks can accurately squeeze the triangular plates, allowing the stabilizing plates to smoothly engage the stabilizing grooves and firmly secure the waterproofing panels.

[0013] The present invention is further configured as follows: a baffle is fixedly connected inside the plug plate, and the top of the movable plate is in contact with the baffle.

[0014] Through the above technical solution, the baffle sets a limit boundary for the movement of the movable plate. When the movable plate moves upward with the vertical plate, it stops moving after the top contacts the baffle, effectively preventing the movable plate from excessively moving and causing damage to other components in the plug-in board, thereby protecting the integrity of the assembly sealing mechanism.

[0015] The present invention is further configured as follows: a drainage pipe is fixedly connected to the rear side of the waterproof board, and a valve is installed on the drainage pipe.

[0016] The above-mentioned technical solution provides a convenient channel for draining water from the waterproof board. When the waterproof board needs to be removed, the valve is opened to quickly drain the water from the waterproof board, allowing the floating plate, stabilizing plate and other components to quickly return to their original position under the action of the spring force, releasing the fixed and sealed state of the waterproof board, making it easier to remove the waterproof board and greatly improving removal efficiency.

[0017] The present invention is further provided as follows: a construction method for a basement waterproof structure of a building, comprising the basement waterproof structure of a building as described in any one of the above, comprising the following steps: Step S1: Insert the plug plate into the slot preset at the basement entrance, install multiple waterproof panels in sequence, and then add water into the waterproof panels through the water filling hole. As the water level rises, the clean water will drive the floating panel to move upward, the floating panel will drive the vertical panel to move, the vertical panel will drive the movable panel to move, the movable panel will drive the vertical panel to move, the vertical panel will drive the trapezoidal block to move, the trapezoidal block will squeeze the triangular panel, causing the triangular panel to move horizontally, the triangular panel will drive the side panel to move, the side panel will drive the stabilizing panel to move, the side panel will stretch the spring 1, causing the stabilizing panel to snap into the stabilizing groove preset in the slot, thus efficiently fixing the waterproof panel at the basement entrance. In addition, the overall weight of the waterproof panel will be increased by adding water, further improving the stability of the waterproof panel. Step S2: After the floating plate rises, it drives the bottom plate to move, the bottom plate drives the sealing plate to move, the bottom plate drives the second rod to move, the second rod drives the second disc to move, and the second disc stretches the second spring, allowing the air in the box to enter the sealing airbag through the conduit, thereby expanding the sealing airbag and sealing the two adjacent waterproof plates, thereby ensuring the sealing between the two adjacent waterproof plates; Step S3: Later, you only need to open the valve and drain the water through the drain pipe. At this time, you can release the limit on the waterproof board, and then pull the waterproof board upward to remove it, which is more convenient to use.

[0018] The beneficial effects of the present invention are: The present invention uses an assembled sealing mechanism and an inflated sealing airbag design to form a tight sealing layer between adjacent waterproof panels, effectively filling gaps. Compared with traditional sandbag waterproofing methods, it can more effectively prevent rainwater from leaking into the basement through the connection points of the waterproof panels. Especially in rainy or extreme weather, it can significantly reduce the risk of rainwater entering the basement through the sloped passage, protect cars and other equipment inside the basement from water damage, and ensure the dryness and safety of the basement. The present invention provides an assembly sealing mechanism. During installation, water is added to enable the floating plate to drive the assembly sealing mechanism to automatically complete the fixation and sealing of the waterproof board. No complicated tools and tedious operations are required, which reduces the construction difficulty and labor costs. During disassembly, the fixation and sealing can be released by opening the valve to drain water, and the waterproof board can be easily removed, which is convenient for later inspection, repair or reinstallation, greatly improving maintenance efficiency and reducing maintenance time and cost. Water is added to the waterproof board to increase its weight, and the structure of the stabilizing plate being inserted into the stabilizing groove makes the waterproof board more firmly fixed at the basement entrance and not easily displaced by external forces. Compared with traditional sandbags that are easily dispersed and displaced by water flow, this waterproof structure can remain stable under long-term use and adverse weather conditions and continue to play a waterproof role. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0020] Figure 1 The present invention is a structural schematic diagram of a basement waterproof structure for a building.

[0021] Figure 2 This is a schematic diagram of the cross-sectional structure of a basement waterproof structure for a building proposed by the present invention. Figure 1 .

[0022] Figure 3 This is a schematic diagram of the cross-sectional structure of a basement waterproof structure for a building proposed by the present invention. Figure 2 .

[0023] Figure 4 yes Figure 2 Schematic diagram of the structure of part A in .

[0024] Figure 5 yes Figure 2 Schematic diagram of the structure of part B.

[0025] Figure 6 yes Figure 3 Schematic diagram of the structure of part C in .

[0026] In the figure, 1. waterproof plate; 2. plug-in plate; 3. sealing airbag; 4. partition; 5. movable plate; 6. vertical plate; 7. baffle; 8. trapezoidal block; 9. side plate; 10. rod body 1; 11. disk body 1; 12. spring 1; 13. triangular plate; 14. stabilizing plate; 15. through hole; 16. vertical plate; 17. floating plate; 18. box body; 19. sealing plate; 20. bottom plate; 21. side plate; 22. rod body 2; 23. disk body 2; 24. spring 2; 25. conduit; 26. blocking rod. DETAILED DESCRIPTION

[0027] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be internal communication between two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood based on specific circumstances.

[0028] The technical solutions of the present invention will be described clearly and completely below with reference to specific embodiments. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without inventive effort are also within the scope of protection of the present invention.

[0029] See also Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 and Figure 6 The present invention provides a basement waterproof structure for a building, comprising: The waterproof board 1 is provided with an assembly sealing mechanism; The assembly sealing mechanism includes an insert plate 2, a partition plate 4, a movable plate 5, a vertical plate 6, a trapezoidal block 8, a side plate 9, a rod body 10, a disc body 11, a spring 12, a triangular plate 13 and a stabilizing plate 14; The top of the plugboard 2 is fixedly connected to the waterproof board 1, the partition 4 is fixedly installed inside the plugboard 2, the movable plate 5 is slidably installed inside the plugboard 2, the bottom of the movable plate 5 is fixedly connected to the vertical plate 6, the bottom of the vertical plate 6 is fixedly connected to the trapezoidal block 8, the side plate 9 is fixedly connected to the stabilizing plate 14, the rod body 10 is fixedly installed on the inner wall of the plugboard 2, the side plate 9 is slidably sleeved on the outside of the rod body 10, the disk body 11 is fixedly connected to the rod body 10, the spring 12 is fixedly installed between the side plate 9 and the disk body 11, and the triangular plate 13 is fixedly installed on the side of the side plate 9.

[0030] Through the above structure, water is added to the waterproof board 1. As the water level rises, the clean water will drive the floating plate 17 to move upward, so that the stabilizing plate 14 is stuck in the preset stabilizing groove in the slot, thereby efficiently fixing the waterproof board 1 at the basement entrance.

[0031] Specifically, the assembled sealing mechanism also includes a sealing airbag 3, a vertical plate 16, a floating plate 17, a box body 18, a sealing plate 19, a bottom plate 20, a side plate 21, a rod body 22, a disk body 23, a spring 24 and a conduit 25. A storage groove is opened on the outside of the waterproof board 1, and the sealing airbag 3 is fixedly installed in the storage groove. The bottom of the vertical plate 16 is fixedly connected to the movable plate 5, the bottom of the floating plate 17 is fixedly connected to the vertical plate 16, the box body 18 is fixedly installed on the top inner wall of the waterproof board 1, the sealing plate 19 is slidingly sealed and installed in the box body 18, the bottom plate 20 is fixedly connected to the sealing plate 19, the side plate 21 is fixedly installed on the side of the box body 18, the rod body 22 is fixedly connected to the bottom plate 20, the top of the rod body 22 is fixedly connected to the disk body 23, the spring 24 is fixedly installed between the side plate 21 and the disk body 23, and the conduit 25 is fixedly installed on the sealing airbag 3 and the box body 18.

[0032] Through the above structure, the floating plate 17 will drive the bottom plate 20 to move after rising, and the bottom plate 20 will drive the sealing plate 19 to move, so that the air in the box 18 enters the sealing airbag 3 through the conduit 25, so that the sealing airbag 3 can be expanded, so that the two adjacent waterproof boards 1 are sealed, thereby ensuring the sealing between the two adjacent waterproof boards 1.

[0033] Specifically, a sealing rod 26 is fixedly connected to the top of the floating plate 17, a water adding hole is opened on the top of the waterproof plate 1, the sealing rod 26 is clamped with the water adding hole, and the top of the floating plate 17 is in contact with the bottom plate 20, which is convenient for water adding and sealing.

[0034] Specifically, a through hole 15 is opened at the bottom of the waterproof board 1, and the top of the vertical board 16 passes through the through hole 15. A baffle 7 is fixedly connected to the plug board 2, and the top of the movable board 5 contacts the baffle 7, which can limit the movable board 5.

[0035] Specifically, a drainage pipe is fixedly connected to the rear side of the waterproof board 1, and a valve is installed on the drainage pipe to facilitate drainage.

[0036] Specifically, a construction method for a basement waterproof structure of a building, including any of the above-mentioned basement waterproof structures of a building, comprises the following steps: Step S1: Insert the plug plate 2 into the preset slot at the basement entrance, install multiple waterproof panels 1 in turn, and then add water to the waterproof panel 1 through the water filling hole. As the water level rises, the clean water will drive the floating panel 17 to move upward, the floating panel 17 drives the vertical panel 16 to move, the vertical panel 16 drives the movable panel 5 to move, the movable panel 5 drives the vertical panel 6 to move, the vertical panel 6 drives the trapezoidal block 8 to move, the trapezoidal block 8 squeezes the triangular panel 13, so that the triangular panel 13 moves horizontally, the triangular panel 13 drives the side panel 9 to move, the side panel 9 drives the stabilizing panel 14 to move, the side panel 9 will stretch the spring 12, so that the stabilizing panel 14 is stuck in the preset stabilizing groove in the slot, so that the waterproof panel 1 is efficiently fixed at the basement entrance. In addition, the overall weight of the waterproof panel 1 is increased by adding water, further improving the stability of the waterproof panel 1; Step S2: After the floating plate 17 rises, it drives the bottom plate 20 to move, the bottom plate 20 drives the sealing plate 19 to move, the bottom plate 20 drives the second rod 22 to move, the second rod 22 drives the second disk 23 to move, and the second disk 23 stretches the second spring 24, allowing the air in the box 18 to enter the sealing airbag 3 through the conduit 25. This can expand the sealing airbag 3, so that the two adjacent waterproof panels 1 are sealed, ensuring the sealing between the two adjacent waterproof panels 1; Step S3: Later, you only need to open the valve and drain the water through the drain pipe. At this time, you can release the limit on the waterproof board 1, and then pull the waterproof board 1 upward to remove it, which is more convenient to use.

[0037] Working principle: First, insert the plug board 2 into the preset slot at the basement entrance to complete the preliminary positioning and installation of multiple waterproof boards 1; then, water is poured into the waterproof board 1 through the water filling hole on the top of the waterproof board 1. As the water level continues to rise, the buoyancy generated by the water drives the floating board 17 to move upward; the floating board 17 is fixedly connected to the vertical board 16, so the vertical board 16 also moves upward, thereby driving the movable board 5 connected to the vertical board 16 to slide inside the plug board 2; the movement of the movable board 5 drives the vertical board 6 and the trapezoidal block 8 to move downward together; when the trapezoidal block 8 moves down to contact the triangular plate 13, the inclined surface of the trapezoidal block 8 will squeeze The triangular plate 13 is fixedly mounted on the side of the side plate 9, and the side plate 9 slides outward along the rod 10 driven by the triangular plate 13, while the spring 12 is stretched. At this time, the stabilizing plate 14 fixedly connected to the side plate 9 is pushed out and snapped into the stabilizing groove preset in the slot, thereby firmly connecting the waterproofing plate 1 to the basement entrance slot. In addition, adding water to the waterproofing plate 1 increases its overall weight, further enhancing the stability of the waterproofing plate 1 at the basement entrance, making it less likely to be displaced by external forces. In the process of the floating plate 17 moving upward, not only the waterproof board 1 is fixed, but also the sealing connection mechanism is triggered; when the floating plate 17 rises to a certain height, its top abuts against the bottom plate 20, and drives the bottom plate 20 to move upward; the bottom plate 20 is fixedly connected to the sealing plate 19, so the sealing plate 19 will also slide upward in the box body 18; at the same time, the bottom plate 20 drives the rod body 22 and the disc body 23 to move upward together, and the disc body 23 will stretch the spring 24 when it moves upward; as the sealing plate 19 moves upward in the box body 18, the space in the box body 18 is compressed, and air enters the sealing airbag 3 through the conduit 25; the sealing airbag 3 is fixedly installed in the storage groove on the outside of the waterproof board 1, and when air enters, the sealing airbag 3 will expand, filling the gap between the two adjacent waterproof boards 1, thereby achieving a tight seal between the adjacent waterproof boards 1, and effectively preventing rainwater from leaking into the basement from the connection between the waterproof boards 1; When it is necessary to disassemble the waterproof board 1, open the valve on the drain pipe at the rear side of the waterproof board 1 to drain the water inside the waterproof board 1; as the water level drops, the buoyancy of the float plate 17 decreases, and under the action of its own gravity and the elastic force of spring 1 12 and spring 2 24, the components of the entire assembled sealing mechanism begin to reset; the stabilizing plate 14 retracts into the plug plate 2 under the tension of spring 1 12, and disengages from the engagement with the stabilizing groove in the slot; the air in the sealing airbag 3 flows back to the box body 18, and the sealing airbag 3 contracts, releasing the seal between adjacent waterproof boards 1; at this time, the fixed and sealed connection between the waterproof board 1 and the basement entrance slot are both released, and the waterproof board 1 can be removed from the basement entrance by pulling it upwards. The operation is simple and convenient, and it is convenient for later inspection, maintenance or reinstallation of the waterproof structure.

[0038] The above is a detailed introduction to a waterproof structure for a basement in a building and a construction method thereof provided by the present invention. Specific embodiments are used herein to illustrate the principles and implementation methods of the present invention. The description of the above embodiments is only intended to help understand the method and core concept of the present invention. It should be noted that, for those skilled in the art, several improvements and modifications may be made to the present invention without departing from the principles of the present invention, and such improvements and modifications also fall within the scope of protection of the claims of the present invention.

Claims

1. A waterproof structure for a basement of a building, characterized in that: include: A waterproof board (1), wherein an assembly sealing mechanism is provided on the waterproof board (1); The assembly sealing mechanism comprises an insert plate (2), a partition plate (4), a movable plate (5), a vertical plate (6), a trapezoidal block (8), a side plate (9), a rod body (10), a disc body (11), a spring (12), a triangular plate (13) and a stabilizing plate (14); The top of the plug plate (2) is fixedly connected to the waterproof plate (1), the partition (4) is fixedly installed inside the plug plate (2), the movable plate (5) is slidably installed inside the plug plate (2), the bottom of the movable plate (5) is fixedly connected to the vertical plate (6), the bottom of the vertical plate (6) is fixedly connected to the trapezoidal block (8), the side plate (9) is fixedly connected to the stabilizing plate (14), the rod body (10) is fixedly installed on the inner wall of the plug plate (2), the side plate (9) is slidably sleeved on the outside of the rod body (10), the disk body (11) is fixedly connected to the rod body (10), the spring (12) is fixedly installed between the side plate (9) and the disk body (11), and the triangular plate (13) is fixedly installed on the side of the side plate (9).

2. A waterproof structure for a building basement and a construction method thereof according to claim 1, characterized in that: The assembly sealing mechanism further comprises a sealing airbag (3), a vertical plate (16), a floating plate (17), a box body (18), a sealing plate (19), a bottom plate (20), a side plate (21), a second rod body (22), a second disc body (23), a second spring (24) and a guide tube (25). A receiving groove is provided on the outer side of the waterproof plate (1), and the sealing airbag (3) is fixedly installed in the receiving groove. The bottom of the vertical plate (16) is fixedly connected to the movable plate (5), the bottom of the floating plate (17) is fixedly connected to the vertical plate (16), and the box body (18) is fixedly installed on the bottom of the vertical plate (16). On the top inner wall of the waterproof plate (1), the sealing plate (19) is slidingly and sealingly installed in the box body (18), the bottom plate (20) is fixedly connected to the sealing plate (19), the side plate (21) is fixedly installed on the side of the box body (18), the second rod body (22) is fixedly connected to the bottom plate (20), the top of the second rod body (22) is fixedly connected to the second disk body (23), the second spring (24) is fixedly installed between the side plate (21) and the second disk body (23), and the conduit (25) is fixedly installed on the sealing airbag (3) and the box body (18).

3. A waterproof structure for a basement of a building according to claim 2, characterized in that: A blocking rod (26) is fixedly connected to the top of the floating plate (17), a water filling hole is opened on the top of the waterproof plate (1), and the blocking rod (26) is clamped with the water filling hole.

4. A waterproof structure for a basement of a building according to claim 2, characterized in that: The top of the floating plate (17) abuts against the bottom plate (20).

5. A waterproof structure for a basement of a building according to claim 2, characterized in that: A through hole (15) is provided at the bottom of the waterproof plate (1), and the top of the vertical plate (16) passes through the through hole (15).

6. A waterproof structure for a basement of a building according to claim 1, characterized in that: A baffle (7) is fixedly connected inside the inserting plate (2), and the top of the movable plate (5) is in contact with the baffle (7).

7. The basement waterproof structure for a building according to claim 1, characterized in that: The rear side of the waterproof plate (1) is fixedly connected to a drainage pipe, and a valve is installed on the drainage pipe.

8. A construction method for a basement waterproof structure of a building, comprising the basement waterproof structure of a building according to any one of claims 1 to 7, characterized in that: The following steps are involved: Step S1: insert the plug plate (2) into the slot preset at the basement entrance, install multiple waterproof plates (1) in sequence, and then add water to the waterproof plates (1) through the water filling hole. As the water level rises, the clean water will drive the floating plate (17) to move upward, the floating plate (17) drives the vertical plate (16) to move, the vertical plate (16) drives the moving plate (5) to move, the moving plate (5) drives the vertical plate (6) to move, the vertical plate (6) drives the trapezoidal block (8) to move, and the trapezoidal block (8) The triangular plate (13) is squeezed to make the triangular plate (13) move laterally, the triangular plate (13) drives the side plate (9) to move, the side plate (9) drives the stabilizing plate (14) to move, the side plate (9) stretches the spring 1 (12), so that the stabilizing plate (14) is stuck in the preset stabilizing groove in the slot, so that the waterproofing plate (1) is fixed at the basement entrance in an efficient manner. In addition, the overall weight of the waterproofing plate (1) is increased by adding water, further improving the stability of the waterproofing plate (1); Step S2: After the floating plate (17) rises, it drives the bottom plate (20) to move, the bottom plate (20) drives the sealing plate (19) to move, the bottom plate (20) drives the second rod body (22) to move, the second rod body (22) drives the second disc body (23) to move, the second disc body (23) stretches the second spring (24), so that the air in the box body (18) enters the sealing airbag (3) through the conduit (25), so that the sealing airbag (3) can be expanded, so that the two adjacent waterproof plates (1) are sealed, and the sealing between the two adjacent waterproof plates (1) is ensured; Step S3: Later, it is only necessary to open the valve and drain the water through the drain pipe. At this time, the limit of the waterproof plate (1) can be released, and then the waterproof plate (1) can be removed by pulling it upwards, which is more convenient to use.

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