Waterproof spliced wall cloth

Abstract

The utility model discloses a waterproof spliced wall cloth relates to wall cloth field, and its technical scheme main points are: including a plurality of groups, a plurality of groups head and tail are connected, and the group is composed of surface layer and inner layer, and the surface layer and inner layer are misaligned and set up in the laying direction of group, and the inner layer and the inner layer on the adjacent group are provided with the gap, and the first water -swelling strip is filled in the gap, and the cross -sectional area of first water -swelling strip is less than the cross -sectional area of gap, and the surface layer covers the gap, and the surface layer and the surface layer on the adjacent group abut each other, and the surface of surface layer is coated with waterproof coating. The utility model misaligned formula double -layer structure has formed physical waterproof ladder, and the double water -swelling system provides active waterproof protection, and the surface layer surface is coated with polyacrylate waterproof coating, has excellent waterproof performance and certain permeability.

Description

Technical Field

[0001] This utility model relates to the field of wallpaper, and more specifically, it relates to a waterproof spliced ​​wallpaper. Background Technology

[0002] In the field of building decoration materials, waterproof spliced ​​wall coverings, as a new type of wall decoration material, have been widely used in interior decoration. Traditional waterproof wall coverings mainly achieve their waterproof function through a composite waterproof membrane on the substrate or a waterproof coating on the surface. However, in actual installation, when the wall covering needs to cover a large area of ​​the wall by splicing, the seams between adjacent wall coverings cannot be completely covered by the waterproof coating, creating weak points in the waterproofing.

[0003] Therefore, a new solution is needed to address this problem. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a waterproof spliced ​​wall covering.

[0005] The above-mentioned technical objective of this utility model is achieved through the following technical solution: a waterproof spliced ​​wall covering, comprising several blocks connected end to end, each block consisting of a surface layer and an inner layer, the surface layer and the inner layer being staggered in the laying direction of the block, a gap being provided between the inner layer and the inner layer on the adjacent block, the gap being filled with a first water-swellable strip, the cross-sectional area of ​​the first water-swellable strip being smaller than the cross-sectional area of ​​the gap, the surface layer covering the gap, the surface layer abutting against the surface layer on the adjacent block, and the surface of the surface layer being coated with a waterproof coating.

[0006] The present invention is further configured such that: the edge of the surface layer facing away from the inner layer is provided with a groove, and the cross-sectional area of ​​the groove gradually increases along the direction away from the inner layer.

[0007] The present invention is further configured such that: a second water-swellable strip is provided between adjacent surface layers, and the second water-swellable strip is located within the groove.

[0008] The present invention is further configured such that the cross-section of the second water-swellable strip is a triangle that fits along the side wall of the groove.

[0009] The present invention is further configured such that the cross-section of the gap and the cross-section of the first water-swellable strip are both trapezoidal, and the cross-sectional area of ​​the gap gradually decreases along the direction away from the surface.

[0010] The present invention is further configured such that the waterproof coating is made of polyacrylate.

[0011] In summary, this utility model has the following beneficial effects: the staggered double-layer structure forms a physical waterproof step; the dual water-swellable system provides active waterproof protection; and the surface is coated with a polyacrylate waterproof coating, which has excellent waterproof performance and a certain degree of breathability. Attached Figure Description

[0012] Figure 1 This is a cross-sectional view of the present invention; Figure 2 for Figure 1 Enlarged view of point A in the middle.

[0013] In the diagram: 1. Block; 2. Surface layer; 3. Inner layer; 4. Gap; 5. First water-swellable strip; 6. Along the groove; 7. Second water-swellable strip. Detailed Implementation

[0014] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0015] Example: A waterproof patchwork wall covering, such as Figure 1 , Figure 2 As shown, it is composed of several rectangular blocks 1 spliced ​​together, each block 1 adopting a unique double-layer structure design. The outer layer 2 is made of high-density non-woven fabric substrate, coated with a polyacrylate waterproof coating, which has excellent waterproof performance and decorative effect, and also has a certain degree of breathability. The inner layer 3 is made of waterproof and breathable membrane material, which is bonded to the outer layer 2 with hot melt adhesive through a dispensing process, ensuring the connection strength between the two while reducing the impact on breathability. The special feature of block 1 is that the outer layer 2 and the inner layer 3 are staggered in the laying direction, so that when adjacent blocks 1 are spliced ​​together, a stepped joint structure is formed.

[0016] like Figure 1 , Figure 2As shown, a trapezoidal cross-section gap 4 is reserved at the joint of the inner layer 3. A first water-swellable strip 5 is embedded in the gap 4. The inclined surface created by the trapezoidal cross-section serves as a guide when installing the first water-swellable strip 5, facilitating installation. The first water-swellable strip 5 is a single-type expanding rubber strip, with an expanding agent (bentonite, superabsorbent polymer (SAP), acrylate, etc.) uniformly mixed in the rubber substrate. Its cross-section is slightly smaller than the space of the gap 4 to ensure that there is expansion margin during installation. When water seeps in, the expanding strip quickly expands to fill the entire gap 4, forming a waterproof structure. A groove structure 6 is designed at the joint of the surface layer 2. The groove 6 has a funnel-shaped opening. A second water-swellable strip 7 with a triangular cross-section is bonded inside the groove. The funnel-shaped opening and the matching triangular cross-section of the second water-swellable strip 7 provide expansion space for the second water-swellable strip 7. The two layers 2 are tightly bonded together. The second water-swellable strip 7 is a self-adhesive expanding rubber strip, forming another waterproof structure. At the same time, the two waterproof layers are staggered to avoid excessive deformation caused by two expansions in the same position. The staggered structure and reserved deformation are used to reduce the impact of expansion on the flatness of the wallpaper.

[0017] like Figure 1 , Figure 2 As shown, the back of module 1 is printed with construction positioning marks to facilitate accurate alignment during installation. The length of the first water-swellable strip 5 is slightly shorter than the width of module 1, with a 5mm allowance at both ends to prevent end compression. The second water-swellable strip 7 adopts a segmented design, with each segment approximately 300mm long, and a 1mm expansion joint is left between segments to accommodate temperature changes.

[0018] During actual construction, the surface layer 2 and the inner layer 3 have been fixed. The edge of the block 1 is cut to fit the edge of the wall. After laying a block 1, the first water-swellable strip 5 is filled in first, then the adjacent block 1 is laid in, and then the second water-swellable strip 7 is filled in the groove 6 between the adjacent surface layers 2.

[0019] The above description is merely a preferred embodiment of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are protected. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within the protection scope of this utility model.

Claims

1. A waterproof patchwork wall covering, characterized in that: It includes several blocks (1), which are connected end to end. Each block (1) consists of a surface layer (2) and an inner layer (3). The surface layer (2) and the inner layer (3) are staggered in the laying direction of the block (1). There is a gap (4) between the inner layer (3) and the inner layer (3) of the adjacent block (1). A first water-swellable strip (5) is filled in the gap (4). The cross-sectional area of ​​the first water-swellable strip (5) is smaller than the cross-sectional area of ​​the gap (4). The surface layer (2) covers... The gap (4) is covered, and the surface layer (2) and the surface layer (2) on the adjacent block (1) abut against each other. The surface of the surface layer (2) is coated with a waterproof coating. The edge of the surface layer (2) facing away from the inner layer (3) is provided with a groove (6). The cross-sectional area of ​​the groove (6) gradually increases in the direction away from the inner layer (3). The cross-section of the gap (4) and the cross-section of the first water-swellable strip (5) are both trapezoidal. The cross-sectional area of ​​the gap (4) gradually decreases in the direction away from the surface layer (2).

2. The waterproof spliced ​​wall covering according to claim 1, characterized in that: A second water-swellable strip (7) is provided between adjacent surface layers (2), and the second water-swellable strip (7) is located in the groove (6).

3. The waterproof spliced ​​wall covering according to claim 2, characterized in that: The cross section of the second water-swellable strip (7) is a triangle that fits along the side wall of the groove (6).

4. The waterproof spliced ​​wall covering according to claim 1, characterized in that: The waterproof coating is made of polyacrylate.

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