Facility construction waterproof device in water-rich environment and use method of facility construction waterproof device

Abstract

The invention relates to the technical field of facility construction waterproof devices in a water-rich environment, and discloses a facility construction waterproof device in a water-rich environment and a use method thereof.The facility construction waterproof device in the water-rich environment comprises a waterproof device body and a sealing device body, and the waterproof device body comprises a viscous rubber sealing strip, a waterproof plastic film, an air suction hole and an air suction hole plugging assembly; the sealing device body comprises a sealing sleeve, an air exhaust hole, an air exhaust motor and a rubber sealing ring; the viscous rubber sealing strip surrounds the bottom of the peripheral side of a to-be-waterproof facility, the waterproof plastic film covers the upper portion and the side face of the facility, and the edge of the waterproof plastic film is attached to the sealing strip. The two ends of the sealing sleeve are in sealed sleeve connection with the outer side of the upper end of the air suction hole and the air exhaust hole respectively. The air exhaust motor is connected with the other end of the air exhaust hole. According to the invention, the sealing strip and the film form a gapless peripheral water-resisting layer, the air suction hole ensures uniform extraction of air, the plugging assembly can realize effective plugging, the sealing sleeve is matched with the sealing ring to avoid air leakage during air extraction, and a long-term stable initial waterproof barrier is provided for facilities.

Description

Technical Field

[0001] This invention relates to the technical field of waterproofing devices for facility construction in water-rich environments, and particularly to a waterproofing device for facility construction in water-rich environments and its usage method. Background Technology

[0002] The construction of facilities in water-rich environments includes projects such as underground utility tunnels, underwater tunnels, and subway stations. These facilities are constantly exposed to high humidity and high water pressure, and water erosion threatens structural safety and service life. Leaks can cause short circuits in internal electrical equipment, corrosion of pipelines, and can also seep into concrete, leading to steel reinforcement corrosion, concrete spalling, weakening the structural load-bearing capacity, and in severe cases, causing wall cracking, settlement, or even collapse. Therefore, waterproofing is crucial in the construction of facilities in water-rich environments, and the industry urgently needs stable, reliable, and protective waterproofing devices.

[0003] Current mainstream waterproofing devices suffer from several fundamental flaws. First, they lack a dedicated air intake sealing structure; after air extraction, they rely on plugs or temporary membranes for covering, allowing air backflow to disrupt the negative pressure and cause the membrane to loosen and fail. Second, the air extraction system suffers from inadequate sealing; the air extraction port and intake port are often directly threaded together or use only a single thin sealing ring, making it easy for air to leak during extraction and difficult to maintain a stable negative pressure. Summary of the Invention

[0004] To overcome the above shortcomings, the present invention provides a waterproof device for the construction of facilities in water-rich environments and its usage method, aiming to improve the problems of waterproof membranes without negative pressure drive and component connections being simply sleeved or snapped.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a waterproof device for building facilities in a water-rich environment, comprising a water-proof device body and a sealing device body, wherein the water-proof device body comprises an adhesive rubber sealing strip, a waterproof plastic film, an air intake hole and an air intake hole sealing assembly, and the sealing device body comprises a sealing sleeve, an air extraction hole, an air extraction motor and a rubber sealing ring.

[0006] The adhesive rubber sealing strip is wrapped around the bottom of the outer periphery of the facility to be waterproofed. The waterproof plastic film covers the top and sides of the facility to be waterproofed, and its outer periphery is tightly fitted with the adhesive rubber sealing strip. The air intake hole is disposed through the central area of ​​the waterproof plastic film. The air intake hole sealing assembly is used to seal the air intake hole after air is extracted. One end of the sealing sleeve is sealed to the outer side of the upper end of the air intake hole, and the other end is sealed to the air extraction hole. The air extraction motor is sealed to the end of the air extraction hole away from the sealing sleeve. The rubber sealing ring is fitted at the connection between the air intake hole and the sealing sleeve, and between the air extraction hole and the sealing sleeve.

[0007] Preferably, the air intake sealing assembly includes a fixing rod, a knob, and a support rod, wherein the fixing rod, the knob, and the support rod are integrally formed, the support rod is located at the end of the fixing rod away from the knob, and the end face of the knob away from the fixing rod is provided with a cross-shaped protrusion.

[0008] Preferably, the inner diameter of the suction hole is larger than the outer diameter of the suction hole. In the initial state, the suction hole is sleeved on the upper outside of the suction hole, and a sealing gap is formed between the inner wall of the suction hole and the outer wall of the suction hole through a sealing sleeve.

[0009] Preferably, the sealing sleeve is interference-fitted with the outer wall of the air intake hole, the inner wall of the rubber sealing ring, and the outer wall of the air extraction hole. The sealing sleeve is detachably connected to the air extraction hole and the air intake hole. The sealing sleeve is made of elastic material and has flexible properties and stable deformability.

[0010] Preferably, the upper inner wall of the air intake hole is provided with an internal thread, and the outer wall of the knob is provided with an external thread that matches the internal thread. The knob achieves a sealed connection with the air intake hole through threaded engagement.

[0011] Preferably, the adhesive rubber sealing strip has an elastic and stretchable structure, which can be cut and stretched according to the corners, irregular protrusions or depressions of the facility to be waterproofed.

[0012] Preferably, the support rod has preset breakable points at both ends. In the initial state, the support rod is set at the bottom end of the threaded structure on the inner wall of the air intake hole, and the support rod supports the knob at the upper end of the air intake hole through the fixing rod, so that the knob and the air intake hole maintain an air passage gap.

[0013] Preferably, the torsional strength of the preset easy break point is less than the torsional strength of the support rod body and the fixing rod, so that when the knob is subjected to rotational torque, the support rod can break from the preset easy break point.

[0014] A method for using a waterproofing device for constructing facilities in a water-rich environment includes the following steps:

[0015] S1: Install waterproofing device: Wrap the adhesive rubber sealing strip around and fix it to the bottom of the outer perimeter of the facility to be waterproofed, and cover the top and sides of the facility to be waterproofed with waterproof plastic film, so that the outer perimeter edge of the waterproof plastic film is tightly attached to the adhesive rubber sealing strip;

[0016] S2: Connecting the sealing device: Connect one end of the sealing sleeve to the outer side of the upper end of the air intake hole, and connect the other end to the air extraction hole. Put a rubber sealing ring on the connection part, and connect the air extraction motor to the end of the air extraction hole away from the sealing sleeve.

[0017] S3: Air extraction to form negative pressure: Start the air extraction motor to extract the air between the waterproof plastic film and the facility to be waterproofed through the air extraction port and the air intake port, forming negative pressure so that the waterproof plastic film adheres tightly to the surface of the facility to be waterproofed.

[0018] S4: Separate the suction assembly: After suction is completed, first hold the sealing sleeve with your hand, which has the ability to deform and elasticity. Then release the fixed connection between the sealing sleeve and the suction port, remove the suction port and the suction motor, and keep the sealing sleeve connected to the suction port.

[0019] S5: Seal the air intake hole: While removing the air intake hole, tighten the upper end of the sealing sleeve to wrap around the air intake hole. Then, rotate the knob through the cross-shaped protrusion on the top of the knob to break the support rod from the preset easy breakage point. Continue to rotate the knob until it is sealed with the air intake hole through thread engagement.

[0020] S6: Remove the sealing sleeve: After the knob seal is completed, disconnect the sealing sleeve from the air intake and remove the sealing sleeve.

[0021] Preferably, in step S5, when the knob is rotated, the sealing sleeve can prevent outside air from entering the air intake.

[0022] The present invention has the following beneficial effects:

[0023] 1. In this invention, the device, through the coordinated operation of the waterproofing device body, the sealing device body, and the air intake sealing assembly, provides a solid foundation for waterproofing facilities in water-rich environments. The adhesive rubber sealing strip surrounds the bottom of the outer periphery of the facility to be waterproofed, and fits tightly with the outer edge of the waterproof plastic film covering the top and sides of the facility, forming a gapless outer waterproofing layer.

[0024] The air intake hole runs through the central area of ​​the waterproof plastic film, serving as the core channel for air extraction. This ensures that air is evenly drawn from between the film and the facility during the extraction process, preventing insufficient negative pressure in certain areas and loose film adhesion due to uneven extraction. The air intake hole sealing component provides the core guarantee for sealing the air intake hole after extraction. It ensures that once negative pressure is formed during extraction, the component can effectively seal the air intake hole, preventing outside air from re-entering between the film and the facility and disrupting the negative pressure state, thus further consolidating the initial waterproof effect.

[0025] Within the sealing device body, a sealing sleeve connects the air intake and exhaust ports. Combined with a rubber sealing ring fitted at the connection point, this effectively prevents air leakage from the component joints during the exhaust phase, ensuring the exhaust motor can continuously and stably draw in air, thus creating a reliable negative pressure. Under this negative pressure, the waterproof plastic film adheres tightly to the surface of the facility to be waterproofed, leaving virtually no air residue between the film and the facility. This further reduces the possibility of water accumulation in the gap between them. This device is adaptable to the high humidity and water accumulation characteristics of water-rich environments, providing a long-term, stable initial waterproof barrier for the facility.

[0026] 2. In this invention, the device further improves the ease of operation, sealing reliability, and environmental adaptability on top of basic waterproofing. The fixing rod, knob, and support rod adopt an integrated molding structure, which not only reduces the number of parts assembly steps and avoids the loosening problems that may occur when assembling multiple parts, but also ensures that the force transmission is more direct when rotating the knob, reducing the risk of operation jamming caused by component corrosion in water-rich environments; the cross-shaped protrusion design on the top of the knob allows for operation by hand without special tools, and effectively prevents slipping even in water-rich environments where hands are wet, greatly improving construction efficiency.

[0027] The inner diameter of the suction port is larger than that of the intake port and is initially fitted outside the intake port. Together with the sealing sleeve, the sealing gap provides a wider channel for airflow, avoiding airflow congestion caused by narrow channels during suction and accelerating the formation of negative pressure. The sealing sleeve is detachably connected to both the intake and suction ports. After suction is completed, the suction port and suction motor can be removed first, leaving the sealing sleeve to cover the intake port to isolate it from outside air. The sealing sleeve can then be removed after sealing is complete. This not only does not affect the sealing performance of the sealing operation, but also prevents the sealing sleeve from aging and failing due to long-term exposure to a water-rich environment. It also allows for the reuse of the sealing sleeve, reducing usage costs.

[0028] The pre-designed easy-break points at both ends of the support rod have a torsional strength lower than that of the support rod body and the fixing rod. This ensures that the support rod breaks precisely when the knob is rotated, preventing deformation of the support rod or damage to the fixing rod. This guarantees consistency in the sealing operation and avoids sealing failure due to uncontrollable breakage. The elastic and stretchable properties of the adhesive rubber sealing strip allow it to be cut and stretched according to the corners, irregular protrusions, or depressions of the facility to be waterproofed. This ensures that the sealing strip always fits tightly to the facility, solving the problem of gaps and leakage caused by the shape limitations of traditional sealing strips.

[0029] In terms of usage, the operation of rotating the knob around the air intake hole by wrapping the sealing sleeve can isolate the entry of outside air during the sealing process, prevent the loss of negative pressure, and ensure that the waterproof plastic film remains tightly attached to the facility when sealed. The threaded engagement between the knob and the air intake hole can form a reliable rigid sealing structure, which can resist the erosion of water vapor in water-rich environments for a long time, reduce the frequency of later maintenance, and further extend the waterproof service life of the device. Attached Figure Description

[0030] Figure 1 This is an overall diagram of a waterproof device for constructing facilities in a water-rich environment, as proposed in this invention.

[0031] Figure 2 This is a schematic diagram of the air intake and knob of a waterproof device for building facilities in a water-rich environment, as proposed in this invention.

[0032] Figure 3This is a schematic diagram of the fixing rod and support rod structure of a waterproof device for building facilities in a water-rich environment, as proposed in this invention.

[0033] Figure 4 This is a schematic diagram of the support rod structure of a waterproof device for building facilities in a water-rich environment, as proposed in this invention.

[0034] Figure 5 This is a diagram illustrating the implementation effect of a waterproof device for building facilities in a water-rich environment, as proposed in this invention.

[0035] Legend:

[0036] 1. Rubber sealing strip; 2. Air intake hole; 3. Waterproof plastic film; 4. Rubber sealing ring; 5. Fixing rod; 6. Sealing sleeve; 7. Knob; 8. Air extraction hole; 9. Air extraction machine; 10. Support rod. Detailed Implementation

[0037] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0038] Example 1, refer to Figures 1-5 A waterproofing device for facilities in water-rich environments includes a waterproofing device body and a sealing device body. The waterproofing device body includes an adhesive rubber sealing strip 1, a waterproof plastic film 3, an air intake 2, and an air intake sealing assembly. The sealing device body includes a sealing sleeve 6, an air extraction port 8, an air extraction motor 9, and a rubber sealing ring 4. The adhesive rubber sealing strip 1 is arranged around the bottom of the outer periphery of the facility to be waterproofed. The waterproof plastic film 3 covers the top and sides of the facility to be waterproofed, and its outer periphery is tightly fitted with the adhesive rubber sealing strip 1. The air intake 2 is arranged through the central area of ​​the waterproof plastic film 3. The air intake sealing assembly is used to seal the air intake 2 after air is extracted. One end of the sealing sleeve 6 is sealed to the outer side of the upper end of the air intake 2, and the other end is sealed to the air extraction port 8. The air extraction motor 9 is sealed to the end of the air extraction port 8 away from the sealing sleeve 6. The rubber sealing ring 4 is sleeved at the connection between the air intake 2 and the sealing sleeve 6, and between the air extraction port 8 and the sealing sleeve 6.

[0039] An outer waterproof layer is formed by wrapping an adhesive rubber sealing strip 1 around the bottom of the facility to be waterproofed and tightly adhering it to a waterproof plastic film 3. A sealing sleeve 6 connects the air intake 2 and the air extraction 8 and works with a rubber sealing ring 4 to prevent leakage. An air extraction motor 9 draws air to create negative pressure. The air intake sealing component then seals the facility, enabling the device to provide stable initial waterproofing for facilities in water-rich environments.

[0040] Example 2, refer to Figures 1-5 Based on Embodiment 1, the air intake sealing assembly includes a fixing rod 5, a knob 7, and a support rod 10. The fixing rod 5, knob 7, and support rod 10 are integrally formed. The support rod 10 is located at the end of the fixing rod 5 away from the knob 7. The end face of the knob 7 away from the fixing rod 5 is provided with a cross-shaped protrusion. The integrally formed fixing rod 5, knob 7, and support rod 10, together with the cross-shaped protrusion on the top of the knob 7, allow for direct force transmission during rotation and prevent hand slippage. This makes operation more convenient and less prone to jamming in water-rich environments. The integral forming reduces assembly loosening.

[0041] The inner diameter of the suction port 8 is larger than the outer diameter of the suction port 2. In the initial state, the suction port 8 is sleeved on the upper outside of the suction port 2, and a sealing gap is formed between the inner wall of the suction port 8 and the outer wall of the suction port 2 through the sealing sleeve 6. The size and sleeve fit of the suction port 8 and the suction port 2 form a sealing gap, which makes the air flow smoother during suction and can accelerate the formation of negative pressure. The larger inner diameter and gap provide a wider airflow channel and avoid airflow congestion during suction.

[0042] The sealing sleeve 6 is press-fitted with the outer wall of the suction hole 2, the inner wall of the rubber sealing ring 4, and the outer wall of the exhaust hole 8. The sealing sleeve 6 and the exhaust hole 8, as well as the sealing sleeve 6 and the suction hole 2, are detachable. The detachable and press-fit design of the sealing sleeve 6 allows the exhaust hole 8 and the exhaust motor 9 to be removed first after exhaust, while the sealing sleeve 6 is left in place. The sealing sleeve 6 can then be removed later without affecting the seal and can be reused. The detachable design is compatible with the operating procedure, and the press-fit ensures that all connection parts are sealed and leak-free.

[0043] The upper inner wall of the air intake hole 2 is provided with an internal thread, and the outer wall of the knob 7 is provided with an external thread that matches the internal thread. The knob 7 achieves a sealed connection with the air intake hole 2 through the thread engagement. The air intake hole 2 and the knob 7 are threaded together. After the knob 7 is screwed in, it can tightly seal the air intake hole 2, resisting the water vapor erosion of the water-rich environment for a long time. The rigid engagement of the threads can form a gapless seal, which is more reliable than temporary sealing.

[0044] Example 3, refer to Figures 1-5 Based on Embodiment 1 or Embodiment 2, the adhesive rubber sealing strip 1 is an elastic and stretchable structure that can be cut and stretched according to the corners, irregular protrusions or depressions of the facility to be waterproofed. The elastic stretchable and cuttable characteristics of the adhesive rubber sealing strip 1 can ensure that it always fits tightly with the facility to be waterproofed, avoiding edge leakage. The elastic material is suitable for irregular shapes, and the cutting design meets the size requirements of different facilities.

[0045] The support rod 10 has preset easy break points at both ends. In the initial state, the support rod 10 is set at the bottom of the threaded structure on the inner wall of the air intake hole 2, and the support rod 10 supports the knob 7 at the upper end of the air intake hole 2 through the fixing rod 5, so that the knob 7 and the air intake hole 2 maintain an air passage gap. The preset easy break points and the initial positioning support of the support rod 10 allow air to pass smoothly during air extraction and can break during sealing, ensuring that air extraction and sealing are carried out in an orderly manner. The easy break point positioning support stabilizes the air passage gap, and subsequent rotation can accurately break and release the restraint.

[0046] The torsional strength of the preset easy break point is less than that of the main body of the support rod 10 and the fixing rod 5. When the knob 7 is subjected to rotational torque, the support rod 10 can break from the preset easy break point. The difference in torsional strength between the preset easy break point of the support rod 10 and the main body and fixing rod 5 means that the easy break point breaks first when the knob 7 is rotated, which will not cause damage to the parts and ensure that the sealing operation is consistent and does not fail. The difference in strength causes the force to be concentrated at the easy break point, so as to achieve controllable fracture.

[0047] Example 4, refer to Figures 1-5 A method for using a waterproofing device for constructing facilities in a water-rich environment includes the following steps:

[0048] S1: Install the waterproofing device: wrap the adhesive rubber sealing strip 1 around the bottom of the outer periphery of the facility to be waterproofed, and cover the top and sides of the facility to be waterproofed with the waterproof plastic film 3, so that the outer periphery of the waterproof plastic film 3 is tightly attached to the adhesive rubber sealing strip 1.

[0049] S2: Connecting the sealing device: Connect one end of the sealing sleeve 6 to the outer side of the upper end of the suction hole 2, and connect the other end to the suction hole 8. Put a rubber sealing ring 4 on the connection part, and connect the suction motor 9 to the end of the suction hole 8 away from the sealing sleeve 6.

[0050] S3: Air extraction to form negative pressure: Start the air extraction motor 9, and extract the air between the waterproof plastic film 3 and the facility to be waterproofed through the air extraction hole 8 and the air intake hole 2 to form negative pressure so that the waterproof plastic film 3 is tightly attached to the surface of the facility to be waterproofed.

[0051] S4: Separate the air extraction assembly: After the air extraction is completed, first hold the sealing sleeve 6 with your hand, which has the ability to deform and elasticity. Then release the fixed connection between the sealing sleeve 6 and the air extraction hole 8, remove the air extraction hole 8 and the air extraction motor 9, and keep the sealing sleeve 6 connected to the air extraction hole 2.

[0052] S5: Seal the air intake hole: While removing the air intake hole 8, tighten the upper end of the sealing sleeve 6 to wrap around the air intake hole 2. Then, rotate the knob 7 through the cross-shaped protrusion on the top of the knob 7 to break the support rod 10 from the preset easy breakage point. Continue to rotate the knob 7 until it is sealed with the air intake hole 2 through threaded engagement.

[0053] S6: Remove the sealing sleeve: After the knob 7 has finished sealing, disconnect the sealing sleeve 6 from the air intake 2 and remove the sealing sleeve 6.

[0054] This method adapts to the operational steps of the device structure, and can completely achieve waterproofing of facilities in water-rich environments without affecting the sealing effect. The steps gradually strengthen the protection from water isolation to sealing, which is highly compatible with the characteristics of the device structure. In step S5, when the knob 7 is rotated, the sealing sleeve 6 can prevent outside air from entering the air intake 2, ensuring that the negative pressure is not lost and the waterproof plastic film 3 always adheres to the facility. The sealing sleeve 6 forms a temporary barrier to prevent outside air from contacting the air intake 2.

[0055] Working principle: First, the adhesive rubber sealing strip 1 is fixed around the bottom of the outer perimeter of the facility to be waterproofed. The adhesive rubber sealing strip 1 is an elastic and stretchable structure, which can be cut and stretched according to the corners, irregular protrusions or depressions of the facility to be waterproofed, ensuring full adhesion to the bottom of the facility. Then, the waterproof plastic film 3 is covered on the top and sides of the facility to be waterproofed, so that its outer perimeter edge is tightly attached to the adhesive rubber sealing strip 1. Together, they form a gapless outer waterproof layer, initially preventing water intrusion in water-rich environments. The air intake pore 2 penetrates the central area of ​​the waterproof plastic film 3, providing a core channel for subsequent extraction of air between the film and the facility. The support rod 10 of the air intake pore sealing assembly is initially set at the bottom of the threaded structure on the inner wall of the air intake pore 2. The knob 7 is supported on the upper end of the air intake pore 2 by the fixing rod 5, so that the two maintain an air gap and ensure smooth air extraction. Next, the sealing device is connected. One end of the sealing sleeve 6 is sealed to the outer side of the upper end of the suction hole 2, and the other end is sealed to the suction hole 8. The inner diameter of the suction hole 8 is larger than the outer diameter of the suction hole 2 and is initially fitted on the outer side of its upper end. A sealing gap is formed between the inner and outer walls of the two through the sealing sleeve 6. Rubber sealing rings 4 are fitted at the connection between the suction hole 2 and the sealing sleeve 6, and between the suction hole 8 and the sealing sleeve 6. The sealing sleeve 6 is press-fitted to all three. Finally, the suction motor 9 is sealed to the end of the suction hole 8 away from the sealing sleeve 6 to build a leak-free suction system, laying the foundation for subsequent stable suction.

[0056] Start the vacuum motor 9. The suction power generated is transmitted through the vacuum port 8 to the suction port 2, which then draws out the air between the waterproof plastic film 3 and the facility to be waterproofed. Because the suction port 2 is located in the center of the film, it ensures that the air is drawn out evenly, avoiding uneven negative pressure caused by local air residue and poor adhesion of the waterproof plastic film 3. As the air is drawn out, a negative pressure is formed between the two, which makes the waterproof plastic film 3 adhere tightly to the surface of the facility, further blocking the path of water entry. After the vacuuming is completed, hold the sealing sleeve 6 and use its deformation and elasticity to disconnect the sealing sleeve 6 from the vacuum port 8, remove the vacuum port 8 and the vacuum motor 9, and keep the sealing sleeve 6 connected to the suction port 2. At the moment the suction port 8 is removed, the upper end of the sealing sleeve 6 is tightened to wrap around the suction port 2, preventing outside air from entering through the suction port 2 and disrupting the negative pressure. Then, the knob 7 is rotated away from the cross-shaped protrusion on the end face of the fixing rod 5. Because the torsional strength of the pre-set easy breakage points at both ends of the support rod 10 is less than that of its main body and the fixing rod 5, the support rod 10 breaks from the easy breakage points under the rotational torque. The knob 7 is rotated further until the outer thread of its outer wall engages with the inner thread of the upper inner wall of the suction port 2, until the thread engagement achieves a seal, completely blocking the suction port 2. Finally, the connection between the sealing sleeve 6 and the suction port 2 is released and removed. At this time, the waterproof plastic film 3 continues to provide stable waterproof protection for the facility to be waterproofed under the dual action of negative pressure and sealing structure.

[0057] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A waterproofing device for constructing facilities in a water-rich environment, comprising a waterproofing device body and a sealing device body, characterized in that: The water-proof device body includes an adhesive rubber sealing strip (1), a waterproof plastic film (3), an air intake hole (2) and an air intake hole sealing assembly. The sealing device body includes a sealing sleeve (6), an air extraction hole (8), an air extraction motor (9) and a rubber sealing ring (4). The adhesive rubber sealing strip (1) is arranged around the bottom of the outer periphery of the facility to be waterproofed. The waterproof plastic film (3) covers the top and sides of the facility to be waterproofed and its outer periphery is tightly fitted with the adhesive rubber sealing strip (1). The air suction hole (2) is arranged through the central area of ​​the waterproof plastic film (3). The air suction hole sealing assembly is used to seal the air suction hole (2) after air is extracted. One end of the sealing sleeve (6) is sealed to the outer side of the upper end of the air suction hole (2) and the other end is sealed to the air extraction hole (8). The air extraction motor (9) is sealed to the end of the air extraction hole (8) away from the sealing sleeve (6). The rubber sealing ring (4) is sleeved on the connection between the air suction hole (2) and the sealing sleeve (6) and the air extraction hole (8) and the sealing sleeve (6).

2. The waterproofing device for facility construction in a water-rich environment according to claim 1, characterized in that: The air intake sealing assembly includes a fixing rod (5), a knob (7) and a support rod (10). The fixing rod (5), the knob (7) and the support rod (10) are integrally formed. The support rod (10) is located at the end of the fixing rod (5) away from the knob (7). The end face of the knob (7) away from the fixing rod (5) is provided with a cross-shaped protrusion.

3. A waterproofing device for facility construction in a water-rich environment according to claim 1, characterized in that: The inner diameter of the air extraction hole (8) is larger than the outer diameter of the air intake hole (2). In the initial state, the air extraction hole (8) is sleeved on the upper outside of the air intake hole (2), and a sealing gap is formed between the inner wall of the air extraction hole (8) and the outer wall of the air intake hole (2) through the sealing sleeve (6).

4. A waterproofing device for facility construction in a water-rich environment according to claim 1, characterized in that: The sealing sleeve (6) is press-fitted with the outer wall of the air intake hole (2), the inner wall of the rubber sealing ring (4) and the outer wall of the air extraction hole (8). The sealing sleeve (6) and the air extraction hole (8) and the sealing sleeve (6) and the air intake hole (2) are detachable. The sealing sleeve (6) is made of elastic material and has flexible properties and stable deformability.

5. A waterproofing device for facility construction in a water-rich environment according to claim 2, characterized in that: The upper inner wall of the air intake hole (2) is provided with an internal thread, and the outer wall of the knob (7) is provided with an external thread that matches the internal thread. The knob (7) achieves a sealed connection with the air intake hole (2) through threaded engagement.

6. A waterproofing device for constructing facilities in a water-rich environment according to claim 1, characterized in that: The adhesive rubber sealing strip (1) is an elastic and stretchable structure that can be cut and stretched according to the corners, irregular protrusions or depressions of the waterproof facility.

7. A waterproofing device for constructing facilities in a water-rich environment according to claim 2, characterized in that: The support rod (10) has preset easy break points at both ends. In the initial state, the support rod (10) is set at the bottom of the threaded structure on the inner wall of the air intake hole (2), and the support rod (10) supports the knob (7) at the upper end of the air intake hole (2) through the fixing rod (5), so that the knob (7) and the air intake hole (2) maintain an air passage gap.

8. A waterproofing device for facility construction in a water-rich environment according to claim 7, characterized in that: The torsional strength of the preset easy break point is less than the torsional strength of the main body of the support rod (10) and the fixing rod (5). When the knob (7) is subjected to rotational torque, the support rod (10) can break from the preset easy break point.

9. A method for using a waterproofing device for constructing facilities in a water-rich environment, characterized in that: Includes the following steps: S1: Install waterproofing device: wrap the adhesive rubber sealing strip (1) around the bottom of the outer periphery of the facility to be waterproofed, and cover the top and sides of the facility to be waterproofed with the waterproof plastic film (3) so that the outer periphery edge of the waterproof plastic film (3) is tightly attached to the adhesive rubber sealing strip (1); S2: Connecting the sealing device: Connect one end of the sealing sleeve (6) to the outer side of the upper end of the suction hole (2) and the other end to the suction hole (8) in a sealed connection. Put a rubber sealing ring (4) on the connection part and connect the suction motor (9) to the end of the suction hole (8) away from the sealing sleeve (6). S3: Air extraction to form negative pressure: Start the air extraction motor (9) and extract the air between the waterproof plastic film (3) and the facility to be waterproofed through the air extraction hole (8) and the air intake hole (2) to form negative pressure so that the waterproof plastic film (3) is tightly attached to the surface of the facility to be waterproofed. S4: Separate the suction assembly: After suction is completed, first hold the sealing sleeve (6) with your hand, which has the ability to deform and elasticity, then release the fixed connection between the sealing sleeve (6) and the suction hole (8), remove the suction hole (8) and the suction motor (9), and keep the connection between the sealing sleeve (6) and the suction hole (2). S5: Seal the suction hole: While removing the suction hole (8), tighten the upper end of the holding sealing sleeve (6) to wrap around the suction hole (2), and then rotate the knob (7) through the cross-shaped protrusion on the top of the knob (7) to break the support rod (10) from the preset easy breakage point. Continue to rotate the knob (7) until it is sealed with the suction hole (2) through thread engagement. S6: Remove the sealing sleeve: After the knob (7) has sealed, disconnect the sealing sleeve (6) from the air intake (2) and remove the sealing sleeve (6).

10. The method of using a waterproofing device for constructing facilities in a water-rich environment according to claim 9, characterized in that: In step S5, when the knob (7) is rotated, the sealing sleeve (6) can prevent outside air from entering the air intake (2).

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