CN219261374U

CN219261374U - Building waterproof structure

Info

Publication number: CN219261374U
Application number: CN202223358921.4U
Authority: CN
Inventors: 高微; 倪源; 李志禹; 魏俊; 乔永强
Original assignee: China Construction Science and Industry Corp Ltd
Current assignee: China Construction Science and Industry Corp Ltd
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-06-27
Anticipated expiration: 2032-12-12

Abstract

The utility model relates to the technical field of modularized building construction, in particular to a building waterproof structure. The building waterproof structure includes: a frame; the wall plate is fixed with the inner side and the outer side of the frame along the first direction and is suitable for covering the frame, and the wall plate is provided with a steam barrier film arranged on the inner side of the frame along the first direction and is suitable for isolating outside water and air; the wall panel also has a breathable film disposed on the outside of the frame in a first direction, the breathable film adapted to release moisture from within the house; the steam barrier film and the ventilation film are suitable for continuously and uninterruptedly covering the inner side and the outer side of the frame, and an airtight cavity is formed between the steam barrier film and the ventilation film. According to the building waterproof structure provided by the utility model, the airtight cavity is arranged on the building enclosure structure, so that the air permeability inside and outside the building enclosure structure can be reduced, the good air tightness of the house is realized, the exchange rate of air inside and outside the house is reduced, the heat insulation performance of the house is improved, and the energy efficiency and the house comfort level are improved.

Description

Building waterproof structure

Technical Field

The utility model relates to the technical field of modularized building construction, in particular to a building waterproof structure.

Background

The modularized building system is a building construction mode formed by combining a lateral force resistant core and a plurality of prefabricated integrated building modules on a construction site, and is a relatively thorough industrialized and standardized building product. The building modules are connected through the connecting pieces with higher reliability, so that the overall bearing performance of a building module system can be effectively ensured, and the construction of hoisting, connecting, installing an outer wall and greening of the modules is only required to be completed on site, and the construction precision and efficiency are far higher than those of the existing building operation mode.

Air tightness refers to the ability of the outer window and the outer door to prevent air permeation in a normally closed state. The existing combined modular building has poor air tightness, is easy to damp, has good air tightness, is a protection for the building structure, can dew on the section of a building component under certain conditions when warm and humid air passes through a critical value, damages the building structure, endangers the safety of the building and has high potential danger; the good air tightness not only affects the heat preservation, the damp prevention, the sound insulation and the fire prevention of the modularized building, but also is closely related to shielding harmful substances, ensures the normal operation of an effective ventilation system, optimizes the air quality and provides healthier living space.

Disclosure of Invention

Therefore, the utility model aims to overcome the defects of poor air tightness and easy moisture absorption of the modularized building in the prior art, thereby providing the waterproof structure of the building, which has good air tightness and is waterproof and moistureproof.

In order to solve the above technical problems, the present utility model provides a waterproof construction for building, comprising:

a frame;

a wall plate fixed to the inner and outer sides of the frame in the first direction, the wall plate adapted to cover the frame, the wall plate having a vapor barrier film provided on the inner side of the frame in the first direction, the vapor barrier film adapted to isolate outside water and air;

the wall panel also has a breathable film disposed on the outside of the frame in a first direction, the breathable film adapted to release moisture from within the house;

the steam barrier film and the ventilation film are suitable for continuously and uninterruptedly covering the inner side and the outer side of the frame, and an airtight cavity is formed between the steam barrier film and the ventilation film.

Optionally, the wallboard is provided with in order along the first direction: the wall board comprises an inner wall board, the steam barrier film, an insulating layer, an OSB board, the breathable film and an outer wall hanging board.

Optionally, the heat-insulating layer is disposed between the vapor-barrier film and the ventilation film, and the heat-insulating layer is suitable for being jogged and fixed with the frame and filling the gap of the frame.

Optionally, the inner wall plate is disposed on a side of the steam barrier away from the frame, and the inner wall plate is adapted to cover the steam barrier.

Optionally, the OSB plate is disposed on a side of the breathable film near the frame, and the OSB plate covers the frame.

Optionally, the exterior wall cladding is disposed on a side of the breathable film remote from the frame.

Optionally, the method further comprises: and the filler is arranged at the joint of the steam barrier film and the breathable film and is suitable for filling gaps.

Optionally, the thickness of the heat insulation layer is H1, h1=70mm±3mm.

Optionally, the steam barrier is a waterproof material suitable for preventing moisture from invading the building envelope.

Optionally, the breathable film is a waterproof material adapted to prevent moisture from invading the building envelope.

The technical scheme of the utility model has the following advantages:

1. according to the building waterproof structure provided by the utility model, the airtight cavity is arranged on the building enclosure structure through the vapor barrier films and the breathable films which are covered on the inner side and the outer side of the frame, so that the air permeability inside and outside the building enclosure structure can be reduced, the good air tightness of the house is realized, the exchange rate of air inside and outside the house is reduced, the heat insulation performance of the house is improved, the energy efficiency and the house comfort are improved, and the outside moist air is prevented from entering the house; and the breathable film is arranged to replace the traditional waterproof coiled material in the building envelope structure, so that moisture in the building envelope structure can be smoothly discharged, and the service life of the house is effectively prolonged.

2. According to the building waterproof structure, the chemical and physical properties of various materials are polymerized through arranging the wallboards made of various materials, so that the wallboards have good heat insulation effect, water and moisture insulation performance and the like, and the house structure is isolated and protected; the heat insulation layer embedded on the frame is arranged, so that the energy consumption of a unit building is reduced, and the energy waste is reduced; when in actual decoration, the optimal heat preservation layer thickness and the optimal heat preservation material are designed, so that the indoor comfort temperature is kept, waste is avoided, and the heat preservation and heat insulation effects of the house are achieved.

3. The building waterproof structure provided by the utility model has the advantages that the exterior wall hanging plate fixed on the outermost layer of the building is arranged to play a role in protecting the internal structure, the material can be a UHPC plate, the weight is light, the cost is low, the building waterproof structure has the dampproof and waterproof performances, the waterproof and dampproof performances of the building enclosure structure are improved, the building enclosure structure is not easy to mold or rust and deform, and the living life and the comfort level of the house are improved.

4. According to the building waterproof structure, the steam barrier film and the ventilation film are made of the special strong material and the waterproof material, so that the building waterproof structure is not easy to deform and damage in actual use, and is good in performance and high in practicability; the heat insulation layer and other building enclosing structures are effectively prevented from being affected by water such as rainwater, the life cycle of the structure is prolonged, and comfort level of residents is improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of a waterproof construction of the present utility model;

FIG. 2 is a schematic view of the wall panel of the present utility model;

reference numerals illustrate:

1. a frame; 2. a wallboard; 21. a heat preservation layer; 22. OSB board; 23. an outer wall hanging plate; 24. an inner wall panel; 3. a vapor barrier film; 4. a breathable film; 5. an airtight chamber; 6. and (5) filling.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

Example 1

Referring to fig. 1-2, the waterproof construction for building provided in this embodiment includes:

a frame 1;

a wall plate 2 fixed to both inner and outer sides of the frame 1 in the first direction, the wall plate 2 being adapted to cover the frame 1, the wall plate 2 having a steam barrier 3 provided on an inner side of the frame 1 in the first direction, the steam barrier 3 being adapted to isolate outside water and air;

the wall panel 2 further has a gas permeable membrane 4 arranged outside the frame 1 in a first direction, the gas permeable membrane 4 being adapted to release moisture from the house;

the steam barrier film 3 and the ventilation film 4 are suitable for continuously and uninterruptedly covering the inner side and the outer side of the frame 1, and an airtight cavity 5 is formed between the steam barrier film 3 and the ventilation film 4.

According to the building waterproof structure of the embodiment, the airtight cavity 5 is arranged on the building enclosure structure through the steam barrier film 3 and the ventilation film 4 which are respectively covered on the inner side and the outer side of the frame 1, so that the purposes of waterproof, dampproof and guaranteeing good air tightness of the building enclosure structure are achieved.

In a specific use process, the wall plates 2 are fixed on the two sides of the frame 1 along the first direction and on the frame 1, and the wall plates 2 are embedded and fixed on the frame 1 in a covering manner; the inner side of the frame 1 is covered with the steam barrier film 3, the steam barrier film 3 is uninterruptedly and completely covered on the inner side surface of the frame 1 along the first direction, the steam barrier film 3 is completely airtight and is a moistureproof plastic film, so that external moisture and air are prevented from entering a house, and indoor water vapor can be prevented from penetrating into a building enclosure structure; the outer side of the frame 1 is covered with the ventilation film 4, and the ventilation film 4 is uninterruptedly and completely covered on the outer side surface of the frame 1 along the first direction, so that moisture and humidity in the building enclosure structure can be discharged outwards, and the air permeability is reduced; the airtight cavity 5 is formed by the vapor barrier 3 and the ventilation film 4 and the inner space clamped by the vapor barrier 3 and the ventilation film 4, and the airtight cavity 5 forms a passive waterproof and moistureproof house protection cavity due to the characteristics of the vapor barrier 3 and the ventilation film 4.

According to the building waterproof structure provided by the embodiment, the airtight cavity 5 is arranged on the building enclosure structure through the steam barrier films 3 and the breathable films 4 which are covered on the inner side and the outer side of the frame 1, so that the air permeability inside and outside the building enclosure structure can be reduced, the good air tightness of the house is realized, the exchange rate of air inside and outside the house is reduced, the heat insulation performance of the house is improved, the energy efficiency and the house comfort level are improved, and meanwhile, the outside moist air is prevented from entering the house; and the breathable film 4 is arranged to replace the traditional waterproof coiled material in the building envelope structure, so that moisture in the building envelope structure can be smoothly discharged, and the service life of the house is effectively prolonged.

Specifically, the wallboard 2 is provided with in order along the forward direction of the first direction: an inner wallboard 24, the steam barrier film 3, an insulating layer 21, an OSB board 22, the ventilation film 4 and an outer wall hanging board 23.

In a specific use process, a plurality of materials are arranged in the wallboard 2, and the inner wallboard 24, the steam barrier film 3, the heat insulation layer 21, the OSB board, the ventilation film 4 and the outer wall hanging board 23 are sequentially overlapped along the forward direction of the first direction; the wallboard 2 is a composite type of various materials, and the chemical and physical properties of the materials are polymerized, so that the wallboard 2 has good heat insulation effect and water and moisture insulation performance, and the house structure is isolated and protected.

Specifically, the heat-insulating layer 21 is disposed between the vapor-barrier film 3 and the ventilation film 4, and the heat-insulating layer 21 is adapted to be fitted and fixed with the frame 1 and fill the gap of the frame 1.

In a specific use process, the heat preservation layer 21 is filled in the gap of the frame 1, two sides of the heat preservation layer are respectively attached to the steam barrier film 3 and the ventilation film 4, and the steam barrier film 3 and the ventilation film 4 cover two sides of the heat preservation layer 21 to play a role in protection; the heat insulation layer is made of a light heat insulation material with small heat conductivity coefficient, the heat insulation layer 21 reduces the energy consumption of a unit building and reduces the energy waste, and the heat power generation and the heating of a coal-fired boiler bring serious pollution to the environment; when in actual decoration, the optimal heat preservation layer thickness and the optimal heat preservation material are designed, so that the indoor comfort temperature is kept, waste is avoided, and the heat preservation and heat insulation effects of the house are achieved.

In particular, the inner wall plate 24 is disposed on a side of the steam barrier 3 remote from the frame 1, and the inner wall plate 24 is adapted to cover the steam barrier 3.

In a specific use process, the inner wall plate 24 is installed at the innermost side of the frame 1 along the forward direction of the first direction and covers the surface of one side of the steam barrier 3 away from the frame 1, so as to protect the steam barrier 3; the material of the inner wall plate 24 can be light plastic material, and has low cost, no harm to human body, excellent fireproof and waterproof performance and high living comfort.

Specifically, the OSB plate 22 is disposed on the side of the air-permeable membrane 4 close to the frame 1, and the OSB plate 22 covers the frame 1.

In a specific use, the OSB plate 22 is tightly attached to the outer side of the frame 1, and the side of the OSB plate 22 away from the frame 1 is covered with the ventilation film 4; the OSB board 22 is a synthetic timber board, has no formaldehyde release, meets the standard of household environmental protection requirements, and has excellent strength and mechanical properties; because the flatness of the OSB panel 22 is excellent, the wall surface can be pre-primed for the installation of the exterior wall cladding 23, and the installation flatness of the exterior wall cladding 23 is improved.

Specifically, the exterior wall cladding 23 is disposed on a side of the breathable film 4 remote from the frame 1.

In a specific use process, the exterior wall cladding 23 is installed on the outermost side of the frame 1 along the forward direction of the first direction and covers the surface of the air permeable membrane 4 on the side far away from the frame 1, so as to protect the air permeable membrane 4; the exterior wall cladding 23 is a non-bearing plate, mainly plays a role in protecting an internal structure, is made of UHPC board, has light weight and low cost, has dampproof and waterproof performances, improves the water and moisture insulation performances of the building envelope, is not easy to mold or rust, is not easy to deform, and improves the living life and comfort of the house.

Specifically, the method further comprises the following steps: and the filler 6 is arranged at the connecting joint of the steam barrier film 3 and the ventilation film 4 and is suitable for filling gaps.

In a specific use process, the filler 6 may be a polyurethane foam structure; the plurality of steam barriers 3 are covered on the inner surface of the frame 1, the connecting positions of the plurality of steam barriers 3 are filled with the filler 6, so that air leakage or gaps are prevented, the steam barriers 3 completely wrap the inner surface of the frame 1, and the effect of isolating outside water vapor is achieved to a higher degree; the plurality of the ventilation films 4 are covered on the outer surface of the frame 1, the connection positions of the plurality of the ventilation films 4 are filled with the filler 6, so that air leakage is prevented or gaps are generated, the ventilation films 4 completely wrap the outer surface of the frame 1, the air tightness level of a higher degree is achieved, the actual air permeability is reduced, and the air tightness protection of the building enclosure structure is increased.

Specifically, the thickness of the heat insulation layer 21 is H1, h1=70mm±3mm.

In a specific use process, the thickness of the heat insulation layer 21 affects the heat insulation effect of the wallboard 2, and according to the living environment, the heat insulation degree, the engineering cost and other factors, the thickness of the heat insulation layer 21 can be 70mm, so that the needs of most situations are met, the cost is kept within an acceptable range, and the design of the optimal heat insulation layer thickness is beneficial to enhancing the heat insulation performance and saving the heat energy loss and the energy waste, so that the heat insulation wall has important significance.

Specifically, the steam barrier 3 is made of waterproof material and is suitable for preventing moisture from invading the building enclosure.

In a specific use process, the steam barrier film 3 can be made of a special strength, the special strength is spun-bonded olefin spun-bonded by innumerable fine polyethylene fibers, and the waterproof steam barrier film has super-strong toughness, is not easy to deform and destroy in actual use, and has good performance and high practicability; the steam barrier film 3 has a waterproof function at the same time of isolating outside water vapor, can effectively prevent rainwater and other moisture from invading the heat preservation layer 21 and other building enclosing structures, increases the life cycle of the structure, and improves the comfort level of residents.

Specifically, the breathable film 4 is made of waterproof material and is suitable for preventing moisture from invading the building envelope.

In a specific use process, the material of the breathable film 4 may be a tebufay, and the breathable film 4 has a waterproof function while reducing air permeability, so that it can effectively prevent moisture such as rainwater from invading the heat insulation layer 21 and other building enclosures, increase the life cycle of the structure, and improve the comfort level of occupants.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.

Claims

1. A building waterproof structure, comprising:

a frame (1);

a wall plate (2) fixed with the inner side and the outer side of the frame (1) along the first direction, wherein the wall plate (2) is suitable for covering the frame (1), the wall plate (2) is provided with a steam barrier film (3) arranged on the inner side of the frame (1) along the first direction, and the steam barrier film (3) is suitable for isolating external water and air;

the wall panel (2) further has a breathable film (4) arranged outside the frame (1) in a first direction, the breathable film (4) being adapted to release moisture in a house;

the steam barrier film (3) and the ventilation film (4) are suitable for continuously and uninterruptedly covering the inner side and the outer side of the frame (1), and an airtight cavity (5) is formed between the steam barrier film (3) and the ventilation film (4).

2. The building waterproofing structure according to claim 1, wherein the wall panel (2) is provided with, in the first direction, in order in the forward direction: the wall board comprises an inner wall board (24), the steam barrier film (3), an insulating layer (21), an OSB board (22), the breathable film (4) and an outer wall hanging board (23).

3. The building waterproofing structure according to claim 2, characterized in that the heat insulating layer (21) is provided between the vapor barrier film (3) and the ventilation film (4), and the heat insulating layer (21) is adapted to be fitted and fixed together with the frame (1) and to fill the void of the frame (1).

4. The building waterproofing structure according to claim 2, characterized in that the inner wall panel (24) is provided at a side of the steam barrier (3) remote from the frame (1), the inner wall panel (24) being adapted to cover the steam barrier (3).

5. The building waterproofing structure according to claim 2, characterized in that the OSB sheet (22) is provided on a side of the air-permeable membrane (4) close to the frame (1), the OSB sheet (22) covering the frame (1).

6. The building waterproofing structure according to claim 5, characterized in that the exterior wall cladding (23) is provided on the side of the breathable film (4) remote from the frame (1).

7. The building waterproofing structure according to claim 2, further comprising: and the filler (6) is arranged at the connecting node of the steam barrier film (3) and the ventilation film (4) and is suitable for filling gaps.

8. The building waterproofing structure according to claim 2, characterized in that the insulating layer (21) has a thickness of H1, h1=70 mm±3mm.

9. The building waterproof structure according to claim 1, characterized in that the steam barrier (3) is a waterproof material adapted to prevent moisture from invading the building envelope.

10. The building waterproofing structure according to claim 1 wherein the breathable film (4) is a waterproofing material adapted to prevent moisture intrusion into the building envelope.