CN2804350Y

CN2804350Y - Rain-proof screen window

Info

Publication number: CN2804350Y
Application number: CN 200520200205
Authority: CN
Inventors: 闫立涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-03-24
Filing date: 2005-03-24
Publication date: 2006-08-09
Anticipated expiration: 2015-03-24

Abstract

The utility model relates to a rainproof window screening used for the structure of a framework class, such as a door, a window, etc. A yarn surface layer is attached to or knitted with an expansion layer; the expansion layer is formed from high water-absorbency materials, and has all the characteristics of water-absorption expansion and water-loss contraction; the size of a yarn eye can be adjusted. Thus, in a sunny day, the yarn eye stays in an open state and good ventilation and day lighting can be carried out. In a rainy day, the yarn eye stays in a contracted state, rainwater can be prevented from intruding to rooms.

Description

A kind of rainproof window screening

Technical field

The utility model relates to a kind of window screening that is used for frame clsss structures such as door, window, is meant a kind of rainproof window screening especially.

Background technology

The window screening that uses is merely able to stop mosquitos and flies at present, can not stop the intrusion of rainwater.Can make the indoor good air that has if the frequent door window in room on daytime ventilates, be of value to people's health.But often unmanned in the room on daytime, like this when using screen window and window or door to open, in case rain, rainwater will inlet chamber in, need try one's best the door window ventilation with regard to easier generation the problems referred to above for newly-decorated house especially.In the prior art, Chinese patent 97215251,00226710 all is in order to address the above problem, to ventilate and logical photosensitiveness but existing techniques in realizing has adopted relatively complicated scheme or bigger influence.

Summary of the invention

The purpose of this utility model is exactly in order to address the above problem, and a kind of rainproof window screening simple and reliable for structure is provided, and realizes fine ventilation, rainproof purpose of rainy day by the size that changes window screening trachoma under different weather conditions.

The utility model is achieved through the following technical solutions: a kind of window screening, and reticulate by yarn and to form, it is characterized in that adhere on the yarn top layer or weaving expanding layer, expanding layer is made of high absorbency material; This window screening has two states, and in general dry environment, expanding layer is in contraction state, and trachoma is in open state like this; Having under the environment of water, expanding layer is in the imbibition state, and trachoma is in sealing or is bordering on closed state like this.Its cross-sectional circumference ovalisation of expanding layer or near oval, long axis direction and window screening plane parallel or approximate parallel, the outer rim of expanding layer is square, near square or circular, subcircular in a trachoma.High absorbency material can be that super-strong moisture absorbing macromolecular material (SAP) and common absorbent material are composited, its characteristic is that imbibition fast under the condition of water is being arranged, formed gel has stronger intensity, easily dehydration under the environment of drying, and be shrunk to previous status.

The beneficial effects of the utility model are: expanding layer depends on the yarn top layer, and is simple and reliable for structure, is easy to realize; Simultaneously because the existence of expanding layer, the characteristic that the imbibition that this layer had, dehydration are shunk can be regulated the size of trachoma, is in open state in fine trachoma like this, can carry out good ventilation and daylighting, be in contraction state in rainy day trachoma, can prevent the invasion of rainwater the room.

Description of drawings

Fig. 1 has the window screening schematic diagram of square outer rim trachoma in open attitude.

Fig. 2 has the window screening schematic diagram of square outer rim trachoma in the sealing attitude.

Fig. 3 is the schematic cross section with expanding layer yarn.

Fig. 4 is the vertical section schematic diagram with expanding layer yarn.

Fig. 5 has the window screening schematic diagram of circular outer rim trachoma in open attitude.

Fig. 6 has the window screening schematic diagram of circular outer rim trachoma in the sealing attitude.

The specific embodiment

A specific embodiment of the present utility model is, window screening constitutes netted forming by yarn (1), adheres to uniformly or weaving expanding layer (2), outer rim (21) squarely or the squarish of expanding layer (2) in the trachoma (3) under normal conditions in the periphery of yarn (1); Expanding layer (2) is enough become by the high absorbency material that polyvinyl alcohol crosslinked polymer and cotton fiber are composited, and the cross section periphery of expanding layer (2) is oval or near oval, long axis direction and window screening plane parallel or approximate parallel; Expanding layer (2) is having the rapid expanding that absorbs water under the condition of water, makes trachoma (3) be shrunk to sealing or nearly closed state, as shown in Figure 2; Expanding layer (2) natural dehydration under the condition of anhydrous drying is shunk, and trachoma (3) is opened into normality, as shown in Figure 1.

Another specific embodiment of the present utility model is, window screening constitutes netted forming by yarn (1), adhere to or weaving expanding layer (2) in that the periphery of yarn (1) is heterogeneous, under normal conditions circular the or sub-circular of outer rim (21) of expanding layer (2) in the trachoma (3); Expanding layer (2) is enough become by the high absorbency material that Sodium Polyacrylate cross-linking agent and cotton fiber are composited; Expanding layer (2) is having the rapid expanding that absorbs water under the condition of water, makes trachoma (3) be shrunk to sealing or nearly closed state, as shown in Figure 6; Expanding layer (2) natural dehydration under the condition of anhydrous drying is shunk, and trachoma (3) is opened into normality, as shown in Figure 5.

Claims

1. window screening is reticulated by yarn (1) and to form, and it is characterized in that, adheres on the yarn top layer or is weaving expanding layer (2), and expanding layer (2) is made of high absorbency material; This window screening has two states, and in general dry environment, expanding layer (2) is in contraction state, and trachoma (3) is in open state like this; Having under the environment of water, expanding layer (2) is in the imbibition state, and trachoma (3) is in sealing or is bordering on closed state like this.

2. a kind of window screening according to claim 1 is characterized in that, its cross section periphery ovalisation of described expanding layer (2), long axis direction and window screening plane parallel or approximate parallel.

3. a kind of window screening according to claim 1 is characterized in that, its outer rim of described expanding layer (2) (21) is square, near square or circular, subcircular in trachoma (3).

4. a kind of window screening according to claim 1 is characterized in that, described expanding layer (2) is composited by super-strong moisture absorbing macromolecular material and common absorbent material.

5. a kind of window screening according to claim 4 is characterized in that, described super-strong moisture absorbing macromolecular material is polyvinyl alcohol crosslinked polymer or Sodium Polyacrylate cross-linking agent.