Building waterproof structure
By combining pre-embedded sealed containers and double-layer waterproof membrane in buildings, the problems of difficult construction and poor durability of traditional waterproof materials in complex joints and flashing areas are solved, achieving a highly efficient and durable waterproof effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-25
- Publication Date
- 2026-03-20
AI Technical Summary
Traditional waterproofing materials are difficult to apply in complex joints and flashing areas, have poor durability, and are difficult to adapt to environmental changes, resulting in unsatisfactory waterproofing effects.
The method of pre-embedding waterproof membrane in a closed container uses a combination of high-performance alumina film and polyvinyl chloride film, combined with hot pressing and hot welding technology, to form a double waterproof layer, which simplifies the construction process and improves waterproof performance.
It improves the adaptability and durability of the waterproofing system, reduces construction difficulty and cost, and ensures long-term waterproofing, especially in areas susceptible to external environmental influences.
Smart Images
Figure CN224016535U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to building waterproof technical field, concretely relates to a building waterproof structure. BACKGROUND
[0002] In modern buildings, waterproofing has always been an important problem in construction, especially wall joints, water-overflowing parts and underground waterproofing isolation layers. Traditional waterproofing methods mainly rely on waterproofing coatings, waterproofing membranes and other materials, which can effectively prevent water penetration to some extent, but as the service life of buildings increases and environmental conditions change, these traditional waterproofing methods often expose many shortcomings.
[0003] 1. Difficulty in construction: The application of traditional waterproofing materials in complex joints and water-overflowing parts has certain construction difficulties. Especially at the joints of building walls, the waterproofing layer is easily affected by factors such as building settlement and temperature changes, leading to cracking, peeling or leakage of the waterproofing layer, thereby reducing the waterproofing effect. In some harsh environmental conditions, such as extreme weather or areas subject to long-term water immersion, traditional waterproofing materials also have difficulty in maintaining stability over time, resulting in frequent maintenance and repair work.
[0004] 2. Poor durability and insufficient adaptability: Existing waterproofing technologies often have deficiencies in adaptability and durability. For example, waterproofing coatings are easily affected by environmental temperature and humidity during construction, making it difficult to ensure construction quality and prone to aging, peeling and other phenomena; waterproofing membranes have good waterproofing performance, but their joints are prone to damage or leakage under the action of external environments, especially when the thermal expansion and contraction and settlement changes of the joint parts are large, the waterproofing effect is often difficult to maintain.
[0005] Therefore, how to ensure waterproofing effect while improving the adaptability, durability and construction convenience of the waterproofing system has become a key problem to be solved in current waterproofing technology. Most existing waterproofing solutions cannot effectively solve the water infiltration problem in complex joints and water-overflowing parts, especially in areas with large temperature differences and significant settlement changes, the waterproofing layer is easily affected and fails.
[0006] Therefore, a new waterproofing solution is needed that can ensure waterproofing effect while improving the adaptability, durability and construction convenience of the waterproofing system, especially in the waterproofing application of complex joints and water-overflowing parts. SUMMARY
[0007] The utility model wants to solve the technical problem that the traditional waterproof method often faces the ideal, construction difficulty is big, durability is bad etc. of waterproof effect in some special parts (such as wall joint, water overflow part etc.), the purpose is to provide a building waterproof structure, through the innovation combination plastic sealing structure and double -layer waterproof roll material, adopt high -performance material and advanced construction technology, effectively promote waterproof effect, durability and construction efficiency.
[0008] The utility model realizes through the following technical scheme:
[0009] A building waterproof structure, it includes: closed container and waterproof roll material, the closed container is embedded in concrete, and the waterproof roll material has shrinkage state and unfolded state:
[0010] When being in the shrinkage state, the waterproof roll material is accommodated inside the closed container;
[0011] When being in the unfolded state, the waterproof roll material is unfolded, and the lower end of the waterproof roll material extends to the water overflow part.
[0012] Specifically, the waterproof roll material includes outer layer roll material and inner layer roll material, the outer layer roll material is aluminum oxide film, the inner layer roll material is polyvinyl chloride film, and the outer layer roll material and the inner layer roll material are fixedly connected by hot pressing method.
[0013] Optionally, the closed container is rectangular cuboid, one side of the closed container is provided with an opening for the waterproof roll material to extend out, and the opening is closed by a removable sealing device when the waterproof roll material is in the shrinkage state.
[0014] Optionally, the sealing device is a sealing tape or a sealing template.
[0015] Optionally, the material of the closed container is high-density polyethylene or polypropylene.
[0016] Optionally, the upper section of the inner layer roll material is tightly attached to the inner wall of the closed container by hot welding technology.
[0017] Optionally, the upper end edge of the waterproof roll material is inwardly bent to form a U-shaped return portion, the U-shaped return portion is simultaneously sealed and fixed to the inner wall and the outer wall of the closed container by hot welding or adhesion, and the fixed position is above the opening.
[0018] Optionally, when being in the unfolded state, the waterproof roll material is fixed to the concrete by adhesion or mechanical fixation after being unfolded.
[0019] Optionally, the water overflow part is provided with a drainage structure.
[0020] Optionally, the closed container is connected with the steel bars in the concrete.
[0021] Compared with the prior art, the utility model has the following advantages and beneficial effects:
[0022] The utility model discloses a closed container and waterproof roll preburied in the concrete, simplify the construction procedure, avoided the multiple construction and complex operation of traditional waterproof layer, improved the construction efficiency, reduced the artificial cost and construction difficulty, the waterproof performance of double -layer waterproof roll (alumina film and PVC film) and plastic material's closed container is effectively enhanced, can maintain higher waterproof effect in long -term use, especially suitable for the wall joint and the water part of the environment of susceptible to external. BRIEF DESCRIPTION OF DRAWINGS
[0023] The accompanying drawings illustrate exemplary embodiments of the present utility model and, together with the general description given above, serve to explain the principles of the present utility model, wherein these drawings are included to provide further understanding of the present utility model, and the drawings are included in the present specification and constitute a part of the present specification, and do not constitute the limitation of the embodiments of the present utility model.
[0024] Figure 1 It is the structure schematic view of a kind of building waterproof structure according to the utility model, in the drawing is in the expanded state.
[0025] Figure 2 It is the structure schematic view of a kind of building waterproof structure according to the utility model, provides in the shrinkage state.
[0026] Reference signs: 1-closed container, 2-waterproof roll, 3-sealing device, 4-concrete, 5-U-shaped backbend. DETAILED DESCRIPTION
[0027] To make the purpose, technical scheme and advantage of the utility model more clearly, the utility model is further explained in detail below with the drawings and embodiment.It can be understood that the specific embodiment described here is only used to explain relevant content, and is not the limitation of the utility model.
[0028] In addition, it also needs to be explained that, for the convenience of description, only the part relevant to the utility model is shown in the drawings.
[0029] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and other terms should be understood broadly, for example, can be fixed connection, can also be detachable connection, or integral;It can be directly connected, or indirectly connected through an intermediate medium, it can be the communication of two elements or the interaction relationship of two elements.For ordinary skilled in the art, the specific meaning of the above-mentioned terms in the present application can be understood according to specific circumstances.
[0030] In the present application, unless specifically stated and limited otherwise, a first feature "on" or "under" a second feature can include the first and second features being in direct contact, or can include the first and second features not being in direct contact but being in contact through another feature between them. Moreover, the first feature "on", "above" and "over" the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is higher in horizontal height than the second feature. The first feature "under", "below" and "underneath" the second feature includes the first feature being directly below and obliquely below the second feature, or merely means that the first feature is lower in horizontal height than the second feature.
[0031] The embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.
[0032] Embodiment one
[0033] As shown in Figure 1 and Figure 2 , a building waterproof structure comprises a closed container 1 and a waterproof roll 2, the closed container 1 is embedded in concrete 4, and the waterproof roll 2 has a contracted state and an expanded state:
[0034] In the contracted state, the waterproof roll 2 is accommodated inside the closed container 1; the closed container 1 can protect the waterproof roll 2 from being damaged during construction, prevent the concrete 4 slurry from entering the inside of the roll, and affect the subsequent expansion. At the same time, the prefabricated closed container 1 and roll assembly can be directly installed.
[0035] In the expanded state, the waterproof roll 2 is expanded, and the lower end of the waterproof roll 2 extends to the water spreading position. After the concrete 4 is poured and hardened, the template is removed, and the waterproof roll 2 is expanded from the closed container 1. The expanded waterproof roll 2 forms a continuous waterproof layer covering the area (such as the wall joint) that needs to be waterproofed. The lower end extends to the water spreading position to ensure that the accumulated water can be smoothly drained and avoid leakage.
[0036] The working process can be summarized as: prefabrication (closed container 1 + waterproof roll 2) → pre-embedding (installation to the designated position) → concrete 4 pouring → expansion of the waterproof roll 2 → formation of the waterproof layer.
[0037] Embodiment two
[0038] This embodiment gives the specific structure of the waterproof roll 2 and the closed container 1.
[0039] The waterproof roll 2 comprises an outer roll and an inner roll.
[0040] The outer layer coiled material is an aluminum oxide film, which has strong weather resistance, ultraviolet resistance, chemical corrosion resistance, and good tensile strength and flexibility, and is suitable for parts exposed to the external environment.
[0041] The inner layer coiled material is a polyvinyl chloride (PVC) film, which has good flexibility, low temperature construction property and impermeability, is suitable for environments with large temperature differences, and can effectively resist the influence of building settlement.
[0042] The outer layer coiled material and the inner layer coiled material are fixedly connected by a hot pressing method, that is, two or more materials are combined together by heating and pressing. The hot pressing method usually utilizes the thermoplasticity of the PVC film to make the PVC film partially melt and adhere to the aluminum oxide film under certain temperature and pressure, without the use of solvents or adhesives, which is environmentally friendly and provides excellent high temperature resistance, moisture resistance and mechanical stability.
[0043] The closed container 1 is a rectangular cuboid, which is convenient to combine with the building structure. One side of the closed container 1 is provided with an opening for the waterproof coiled material 2 to extend out of. The opening is closed by a removable sealing device 3 when the waterproof coiled material 2 is in a retracted state. The sealing device 3 can seal the closed container 1 when the concrete 4 is poured, which can prevent concrete 4 slurry and other sundries from entering the inside of the closed container 1, and can be removed after the concrete 4 hardens to a certain strength, exposing the sealing container integrally poured with the concrete 4, and performing the waterproof coiled material 2 unfolding operation.
[0044] The sealing device 3 is a sealing tape or a sealing template. The sealing tape has good sealing performance, and the sealing template has good hardness.
[0045] The material of the closed container 1 is high-density polyethylene (HDPE) or polypropylene (PP), which has excellent waterproof performance and corrosion resistance, and a long service life.
[0046] The closed container 1 is connected with the steel bars in the concrete 4, which can prevent displacement by being fixed with the steel bars when the concrete 4 is poured.
[0047] Example Three
[0048] The upper section of the inner layer coiled material is tightly attached to the inner wall of the closed container 1 by hot welding technology. By heating the contact part of the PVC film and the closed container 1 (HDPE or PP), the two are melted and combined together, and after cooling, a firm connection is formed.
[0049] The upper end edge of the waterproof coiled material 2 is bent inward to form a U-shaped backbend 5, which is simultaneously sealed and fixed with the inner wall and the outer wall of the closed container 1 by hot welding or adhesion, and the fixed position is above the opening. The U-shaped backbend 5 can increase the contact area of the waterproof coiled material 2 and the closed container 1, and improve the connection strength and sealing performance.
[0050] The outer wall of the container is designed to tightly fix the surfaces of the two layers of waterproofing membrane 2. The waterproofing membrane 2 is attached to the upper surface of the outer side of the plastic container and is coiled into the plastic container, and the total length of the waterproofing membrane 2 is 20 cm.
[0051] In the unfolded state, the waterproofing membrane 2 is fixed to the concrete 4 by adhesion or mechanical fixation after being unfolded, the inner PVC film forms a seal with the surface of the concrete 4, and the outer aluminum oxide film material provides strong waterproof protection. At this time, the external surface can be subjected to later plastering work.
[0052] The waterproofing membrane 2 should extend to the flashing area to ensure smooth drainage of water flow and prevent water accumulation from causing leakage.
[0053] The core innovation of the utility model:
[0054] 1. Selection of plastic closed container 1: using plastic material as the closed container 1 not only has excellent waterproof performance, but also has good corrosion resistance and long service life. Plastic material can also adapt to various environmental conditions, and is convenient and economical to construct.
[0055] The pre-embedded plastic closed structure design simplifies the construction process, avoids the multiple construction and complex operation of the traditional waterproof layer, improves the construction efficiency, and reduces the labor cost and construction difficulty.
[0056] 2. Double-layer waterproofing membrane 2 combination: through the combination of aluminum oxide film and PVC film, the outer aluminum oxide film can provide strong waterproof ability and ultraviolet resistance, and the inner PVC film has good flexibility and adaptability to building settlement. The combination of the two effectively improves the stability and durability of the overall waterproof layer.
[0057] The outer aluminum oxide film provides strong weather resistance, the inner PVC film adapts to settlement and temperature change, the durability of the overall waterproof system is significantly improved, and the demand for later maintenance and repair is reduced.
[0058] 3. Hot welding and hot pressing adhesion fixation method: the PVC film is tightly combined with the inner wall of the plastic closed container 1 by using hot welding technology, and the aluminum oxide film and the PVC film are fixed by hot pressing adhesion, which avoids the traditional mechanical fixation method and improves the tightness and construction efficiency of the waterproof layer.
[0059] 4. Strong adaptability and simple construction: this technology is suitable for various building structures and waterproof parts, especially in wall joints and flashing parts, which can effectively resist building settlement and temperature change, has good adaptability and long-term waterproof effect.
[0060] In the description of the specification, the description of the terms "one embodiment / way", "some embodiments / ways", "example", "specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment / way or example are included in at least one embodiment / way or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment / way or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments / ways or examples. In addition, the person skilled in the art can combine and combine the different embodiments / ways or examples described in the specification and the features of the different embodiments / ways or examples, without contradiction.
[0061] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, for example, two, three, etc., unless otherwise specifically limited.
[0062] The person skilled in the art should understand that the above-mentioned embodiments are only for clearly illustrating the present application, and are not intended to limit the scope of the present application. For those skilled in the art, other changes or modifications can be made on the basis of the above-mentioned application, and these changes or modifications are still within the scope of the present application.
Claims
1. A waterproof structure for buildings, characterized in that, include: A sealed container (1) and a waterproof membrane (2), wherein the sealed container (1) is embedded in concrete (4), and the waterproof membrane (2) has a contracted state and an unfolded state. When in the contracted state, the waterproof membrane (2) is housed inside the closed container (1); When in the unfolded state, the waterproof membrane (2) is unfolded, and the lower end of the waterproof membrane (2) extends to the flashing portion.
2. The waterproof structure for a building according to claim 1, characterized in that, The waterproof membrane (2) includes an outer membrane and an inner membrane. The outer membrane is an aluminum oxide film, and the inner membrane is a polyvinyl chloride film. The outer membrane and the inner membrane are fixedly connected by a hot pressing method.
3. A waterproof structure for buildings according to claim 2, characterized in that, The closed container (1) is a rectangular cuboid, and one side of the closed container (1) is provided with an opening for the waterproof membrane (2) to extend out. The opening is closed by a removable sealing device (3) when the waterproof membrane (2) is in a contracted state.
4. A waterproof structure for a building according to claim 3, characterized in that, The sealing device (3) is a sealing tape or a sealing template.
5. A waterproof structure for a building according to claim 1, characterized in that, The material of the sealed container (1) is high-density polyethylene or polypropylene.
6. A waterproof structure for a building according to claim 3, characterized in that, The upper section of the inner layer roll is tightly bonded to the inner wall of the closed container (1) by hot welding technology.
7. A waterproof structure for a building according to claim 3, characterized in that, The upper edge of the waterproof membrane (2) is bent inward to form a U-shaped bend (5). The U-shaped bend (5) is simultaneously sealed and fixed to the inner and outer walls of the closed container (1) by heat welding or bonding, and the fixed position is above the opening.
8. A waterproof structure for a building according to claim 1, characterized in that, When in the unfolded state, the waterproof membrane (2) is unfolded and then fixed to the concrete (4) by adhesive or mechanical fixation.
9. A waterproof structure for a building according to claim 1, characterized in that, The floodplain is equipped with a drainage structure.
10. A waterproof structure for a building according to claim 1, characterized in that, The enclosed container (1) is connected to the reinforcing steel bars inside the concrete (4).