CN212715392U

CN212715392U - Waterproof sealing structure for node of external wall panel of assembly type building

Info

Publication number: CN212715392U
Application number: CN202020657587.4U
Authority: CN
Inventors: 王兴军; 郑君华; 谢安旭
Original assignee: Chongqing AVIC Construction Group Co Ltd
Current assignee: Chongqing AVIC Construction Group Co Ltd
Priority date: 2020-04-27
Filing date: 2020-04-27
Publication date: 2021-03-16
Anticipated expiration: 2030-04-27

Abstract

The utility model relates to the technical field of building waterproofing, in particular to a waterproof sealing structure for an assembly type building external wall panel node; the bag comprises a concrete wall body, wherein a plurality of external wall panels are arranged in the concrete wall body, grooves are formed in four side surfaces of each external wall panel, hook rings are arranged in the grooves, adjacent external wall panels are connected through tension springs, and two ends of each tension spring are connected with the hook rings; elastic mortar is filled in the gap between the external wall panels, the elastic mortar is also arranged between the concrete wall and the external wall panels, polyurethane sealant is arranged on the surface of the elastic mortar facing the external space, and transparent polyurea is arranged on one side of the polyurethane sealant departing from the elastic mortar; a heat-insulating layer and a waterproof layer are sequentially arranged on one side of the concrete wall body, which is far away from the external wall panel; through simple structure, not only improved side fascia node waterproof ability, but also improved the quality of side fascia laminating, prevented the condition that the side fascia dropped.

Description

Waterproof sealing structure for node of external wall panel of assembly type building

Technical Field

The utility model relates to a waterproof technical field of building especially relates to an assembly type structure side fascia node waterproof sealing structure.

Background

Wall seepage is the common seepage condition in daily life, and the overwhelming majority reason is that the leakproofness between the concrete structure is not tight, leads to external rainwater to ooze into. To the treatment of wall seepage, the prior art usually has two ways: one is surface treatment, a layer of coating is directly brushed between a window frame and concrete, and a gap between the window frame and the concrete is covered; another way is to chisel the filler between the window frame and the concrete and apply the foam again for sealing.

In the two modes, the first mode only covers a layer of film on the surface, and gaps between concretes still exist, so that the temporary solution is treated and the permanent solution is not treated; the second way is to chisel away the original filler, which is essentially permanent but laborious, not well cohesiveness, and will shrink and come off after a long time, resulting in new gaps.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned prior art not enough, provide an assembly type structure side fascia node waterproof sealing structure, solved the condition and the broken not thorough problem of concrete jam sieve mesh.

The utility model provides a technical scheme that its technical problem adopted is:

the waterproof sealing structure comprises a concrete wall body, wherein a plurality of external wall panels are arranged in the concrete wall body, grooves are formed in four side faces of each external wall panel, hook rings are arranged in the grooves, adjacent external wall panels are connected through tension springs, and two ends of each tension spring are connected with the hook rings; elastic mortar is filled in a gap between the external wall panels, the elastic mortar is also arranged between the concrete wall and the external wall panels, polyurethane sealant is arranged on the surface of the elastic mortar facing the external space, and transparent polyurea is arranged on one side of the polyurethane sealant, which is far away from the elastic mortar; and one side of the concrete wall body, which deviates from the external wall panel, is sequentially provided with a heat insulation layer and a waterproof layer.

A fabricated building side fascia node waterproof sealing structure, wherein, the recess is located the intermediate position of side fascia side.

An assembly type structure side fascia node waterproof sealing structure, wherein, elasticity mortar and elasticity mortar are formed by cement, quartz sand and the mixture of polymer emulsion.

A fabricated building side fascia node waterproof sealing structure, wherein, tension spring is coil spring, the coil spring both ends all be equipped with collude the ring and correspond the hook portion.

A fabricated building side fascia node waterproof sealing structure, wherein, transparent polyurea sets up to two-layer, is first transparent polyurea layer and the transparent polyurea layer of second respectively, first transparent polyurea layer with the thickness on the transparent polyurea layer of second is 0.8 ~ 1.5 mm.

A fabricated building side fascia node waterproof sealing structure, wherein, first transparent polyurea layer with the transparent polyurea layer of second apply paint direction mutually perpendicular with a brush.

A fabricated building side fascia node waterproof sealing structure, wherein, elastic mortar's thickness is 4 ~ 8cm, the sealed thickness of gluing of polyurethane is 3 ~ 6 mm.

The beneficial effects of the utility model reside in that: the utility model relates to an assembly type building side fascia node waterproof sealing structure, improves the pressure of elastic mortar between the side fascia through the tension spring, when pasting the side fascia, reduces the condition of producing leakage gap, and makes the side fascia paste more firmly, can also play certain pressure to elastic mortar at later stage, prevents to produce leakage gap; through the combination of the elastic mortar, the polyurethane sealant, the transparent polyurea, the heat-insulating layer and the waterproof layer, four waterproof barriers are combined with each other, so that rainwater is prevented from trying to enter the interior of a building space from a leakage gap, the reliability of waterproof sealing is ensured, and the waterproof sealing structure is very suitable for popularization and use; through simple structure, not only improved side fascia node waterproof ability, but also improved the quality of side fascia laminating, prevented the condition that the side fascia dropped.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts:

fig. 1 is a schematic cross-sectional structural view of a waterproof sealing structure for an external wall panel node of an assembly type building according to a preferred embodiment of the present invention;

fig. 2 is a front view of a waterproof sealing structure of an assembled building external wall panel node according to a preferred embodiment of the utility model;

FIG. 3 is a schematic cross-sectional view of the side of the waterproof sealing structure of the outer wall panel node of the prefabricated building;

FIG. 4 is a schematic diagram showing the positional relationship between the elastic mortar, the polyurethane sealant and the transparent polyurea;

the concrete wall comprises a concrete wall body 11, a heat insulation layer 12, a waterproof layer 13, an outer wall panel 21, a groove 22, a hook ring 23, a tension spring 24, elastic mortar 31, polyurethane sealant 32, a first transparent polyurea layer 33 and a second transparent polyurea layer 34.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, a clear and complete description will be given below with reference to the technical solutions of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The waterproof sealing structure for the assembled building external wall panel node in the preferred embodiment of the utility model is shown in fig. 1-4, and comprises a concrete wall 11, wherein a plurality of external wall panels 21 are arranged in the concrete wall 11, four side surfaces of the external wall panels 21 are respectively provided with a groove 22, a hook ring 23 is arranged in each groove 22, the adjacent external wall panels 21 are connected through a tension spring 24, and two ends of each tension spring 24 are connected with the hook ring 23; elastic mortar 31 is filled in a gap between the external wall panels 21, the elastic mortar 31 is also arranged between the concrete wall body 11 and the external wall panels 21, a polyurethane sealant 32 is arranged on the surface of the elastic mortar 31 facing the external space, and transparent polyurea is arranged on one side of the polyurethane sealant 32 departing from the elastic mortar 31; an insulating layer 12 and a waterproof layer 13 are sequentially arranged on one side of the concrete wall body 11, which is far away from the external wall panel 21; the pressure of the elastic mortar 31 between the external wall panels 21 is improved through the tension springs 24, so that the condition of leakage gaps is reduced when the external wall panels 21 are attached, the external wall panels 21 are more firmly attached, and certain pressure can be exerted on the elastic mortar 31 at the later stage to prevent the leakage gaps; through the combination of the elastic mortar 31, the polyurethane sealant 32, the transparent polyurea, the heat-insulating layer 12 and the waterproof layer 13, four waterproof barriers are combined with each other, so that rainwater is prevented from trying to enter the interior of a building space from a leakage gap, the reliability of waterproof sealing is ensured, and the waterproof sealing structure is very suitable for popularization and use; through simple structure, not only improved the waterproof ability of side fascia 21 node, but also improved the quality of side fascia 21 laminating, prevented the condition that side fascia 21 dropped.

As shown in fig. 1, the groove 22 is disposed at the middle position of the side surface of the external wall panel 21; the tension balance of each side surface is convenient to ensure, and the effect of enhancing the pressure can be effectively achieved.

In addition, the elastic mortar 31 and the elastic mortar 31 of the utility model are formed by mixing cement, quartz sand and polymer emulsion; compared with common mortar, the elastic mortar 31 has the advantages of small porosity, low water absorption, good cohesiveness, and strong elasticity and toughness, can adapt to deformation caused by thermal expansion and cold contraction of the concrete wall 11, and ensures that no gap is generated between the elastic mortar and the external wall panel 21 or the concrete wall 11.

In addition, the tension spring 24 of the present invention is a coil spring, and both ends of the coil spring are provided with hook portions corresponding to the hook rings 23; installation staff can conveniently install the tool.

As shown in fig. 4, the transparent polyurea is provided as two layers, namely a first transparent polyurea layer 33 and a second transparent polyurea layer 34, and the thickness of the first transparent polyurea layer 33 and the thickness of the second transparent polyurea layer 34 are both 0.8-1.5 mm; because the weather resistance of the polyurethane sealant 32 is relatively poor and the polyurethane sealant is easy to age under the long-term action of ultraviolet rays, the outside must be provided with weather-resistant paint to isolate the direct irradiation of the ultraviolet rays, in order to ensure the optimal ultraviolet ray isolation effect, the transparent polyurea is provided with two layers, the transparent polyurea is a high polymer paint with super high weather resistance, the service life is as long as more than 20 years, the waterproof and anticorrosion effects are achieved, and the polyurethane sealant 32 inside can be protected.

In addition, the painting directions of the first transparent polyurea layer 33 and the second transparent polyurea layer 34 of the present invention are perpendicular to each other; in order to ensure the seamless painting connection and the protection effect, the painting directions of the first transparent polyurea layer 33 and the second transparent polyurea layer 34 are perpendicular to each other, so that a good waterproof barrier is formed, and the problem of water seepage is further prevented.

In addition, the thickness of the elastic mortar 31 of the utility model is 4-8 cm, and the thickness of the polyurethane sealant 32 is 3-6 mm; and (4) selecting the optimal parameters to provide the optimal expansion effect.

It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.

Claims

1. The waterproof sealing structure for the assembled building external wall panel node is characterized by comprising a concrete wall body, wherein a plurality of external wall panels are arranged in the concrete wall body, grooves are formed in four side surfaces of each external wall panel, hook rings are arranged in the grooves, the adjacent external wall panels are connected through tension springs, and two ends of each tension spring are connected with the hook rings; elastic mortar is filled in a gap between the external wall panels, the elastic mortar is also arranged between the concrete wall and the external wall panels, polyurethane sealant is arranged on the surface of the elastic mortar facing the external space, and transparent polyurea is arranged on one side of the polyurethane sealant, which is far away from the elastic mortar; and one side of the concrete wall body, which deviates from the external wall panel, is sequentially provided with a heat insulation layer and a waterproof layer.

2. The waterproof and sealing structure for the assembled building external wall panel joint as claimed in claim 1, wherein the groove is formed in the middle of the side surface of the external wall panel.

3. The waterproof and sealing structure for the assembled building external wall panel joint as claimed in claim 1, wherein the tension spring is a coil spring, and both ends of the coil spring are provided with hook portions corresponding to the hook rings.

4. The fabricated building external wall panel node waterproof sealing structure of claim 1, wherein the transparent polyurea is provided in two layers, namely a first transparent polyurea layer and a second transparent polyurea layer, and the thickness of each of the first transparent polyurea layer and the second transparent polyurea layer is 0.8-1.5 mm.

5. The fabricated building external wall panel joint waterproof and sealing structure of claim 4, wherein the painting directions of the first transparent polyurea layer and the second transparent polyurea layer are perpendicular to each other.

6. The waterproof and sealing structure for the fabricated building external wall panel joint as claimed in any one of claims 1 to 5, wherein the thickness of the elastic mortar is 4 to 8cm, and the thickness of the polyurethane sealant is 3 to 6 mm.