Rainwater seepage prevention device of plastic steel window

Abstract

The invention discloses a rainwater seepage prevention device of a plastic steel window. The rainwater seepage prevention device comprises a wall. An outer window frame for dividing space of the wall into an indoor portion and an outdoor portion is arranged on the wall. The indoor portion of the wall is covered with an internal-wall mortar painting layer. The outdoor portion of the wall is sequentially covered with an external-wall heat insulating layer and an external-wall mortar printing layer. The outer window frame is clamped in a gap formed between the internal-wall mortar printing layer and the external-wall mortar printing layer. A gap is reserved between one side of the outer window frame and the external-wall mortar printing layer and is filled with external-wall waterproof sealant. The outer window frame is fixedly connected with the wall through a fixing piece. A gap between the outer window frame and the uncovered wall is filled with a foaming waterproofing agent after the outer window frame is connected with the fixing piece in a clamping mode. The rainwater seepage prevention device can prevent rainwater from infiltrating into a window body and a main structure, sealing effect and seepage prevention effect are good, and service life of the plastic steel window is greatly prolonged.

Description

technical field [0001] The invention relates to the technical field of plastic-steel windows, and more particularly, to a device for preventing rainwater leakage. Background technique [0002] In recent years, plastic-steel windows made of plastics represented by polyvinyl chloride (PVC) have occupied an important part in modern buildings. Windows, steel windows, and aluminum alloy windows are called the fourth generation after that. However, there are still many problems in practical application of plastic-steel windows: [0003] 1. At the interface of different materials, due to the different temperature expansion coefficients of different materials, under the same temperature change and temperature difference, the two components will produce a small relative displacement. When the temperature difference between day and night changes greatly, these small relative displacements It will destroy the bonding of the interface between the two materials, resulting in fine cracks...

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Problems solved by technology

[0004] 2. At present, the installation of plastic-steel windows basically adopts the plug method. Some window openings have large construction errors, resulting in a gap of 70mm between the wall of the window opening and the standard plastic-steel window frame. Generally, workers use broken concrete to save trouble. Fix the plastic-steel window with blocks or wooden wedges. When the walls around the window are not clean and wet, fill in the mortar, which will inevitably lead to hidden dangers of leakage.

[0005] 3. Because the size of the window opening is not well controlled, it is easy to leave a gap when the window is installed, forming a structural gap, and rainwater is easy to seep into the window through the structural gap

[0006] 4. At the junction between the perimeter of the plastic-steel window and the wall, there are often phenomena such as loose splicing and deviation in splicing, causing rainwater to penetrate into the window and the main structure through the gap

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