CN103437688A

CN103437688A - Sandproof and dustproof window gauze

Info

Publication number: CN103437688A
Application number: CN2013104057220A
Authority: CN
Inventors: 李兵
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-09-09
Filing date: 2013-09-09
Publication date: 2013-12-11
Anticipated expiration: 2033-09-09
Also published as: CN103437688B

Abstract

The invention discloses a sandproof and dustproof window gauze. The sandproof and dustproof window gauze comprises a window gauze and a dead-weight dustproof sheet, wherein the window gauze is of a grid structure woven of yarns, and the dead-weight dustproof sheet is of a semi-closed structure provided with two open ends and formed by bending a sheet; the dead-weight dustproof sheet comprises a vertical surface part, an upper plane part, a circular surface part and a counter weight; and the vertical surface part and the upper plane part are cuboid sheets, the upper end of the vertical surface part is connected with one end of the upper plane part, the other end of the upper plane part is connected with one end of the circular surface part, and the other end of the circular surface part is bent towards the vertical surface part to form the semi-closed structure. In sand and dust weather, the vertical surface part is in tight fit with the two adjacent transversal yarns under the action of a wind force, thus closing the grids of the window gauze and avoiding the entrance of sand and dust; and in breezeless weather and breeze weather, the counter weight is used for driving the dead-weight dustproof sheet to rotate around the transversal yarn contacted with the combination part of the dead-weight dustproof sheet under the action of gravity, thus tilting the vertical surface part upwards to open the grids of the window gauze and achieving a ventilation effect.

Description

Anti-dust window screening

technical field:

The present invention relates to window screening, particularly a kind of anti-dust window screening.

background technology:

Current known window screening is crisscross network, and common window screening can only play and intercept the purpose that mosquito enters.The large area at dusts storm such as northwest, North China often has dust and sand weather from the spring to the autumn, because common window screening can not be anti-dust, thus can only close window, but so again can be stuffy, sultry.

Some dust-proof window screens are also arranged now, but all gas permeability is poor, is not suitable for northern dust and sand weather.

summary of the invention:

In view of this, be necessary to provide the anti-dust window screening that a kind of air permeability is good and anti-dust effect is strong.

A kind of anti-dust window screening comprises: window screening and deadweight type sand prevention sheet; Wherein, window screening is for by the crisscross network be made into of yarn, the semi-closed structure that deadweight type sand prevention sheet is the both ends open that is bent into of thin slice.

Deadweight type sand prevention sheet comprises: vertical plane part, upper planar section, disc part, balancing weight; Vertical plane part, upper planar section are the cuboid thin slice, the upper end of vertical plane part joins with an end of upper planar section and vertical plane is partly acute angle with the angle of upper planar section, one end of the other end of upper planar section and disc part joins, the other end of disc part bends towards vertical plane, and partly to form the convex surface of semi-closed structure and disc part outside, and the axis of disc part is positioned on the angular bisector of vertical plane part and upper planar section; Balancing weight is the high density block, and its width equals the width of planar section, and balancing weight and upper planar section fix.

Deadweight type sand prevention sheet is between a vertical yarn and another vertical yarn of being adjacent and deadweight type sand prevention sheet width equals a vertical yarn and the spacing of another vertical yarn of being adjacent, article two, the joint portion that adjacent transverse yarns is positioned at vertical plane part and upper planar section through the semi-closed structure of deadweight type sand prevention sheet and top transverse yarns is for lodge deadweight type sand prevention sheet, and transverse yarns on the lower contacts with disc concave surface partly; The vertical plane partial-length is greater than the twice of two adjacent transverse yarns spacings; The moment that balancing weight produces should be enough to make the vertical plane part perk of deadweight type sand prevention sheet when gentle breeze.

Preferably, the upper surface of balancing weight and upper planar section joins, and the interface of balancing weight is fan-shaped and its central angle is less than 40 degree.

Preferably, balancing weight also includes the second balancing weight that the soffit with upper planar section joins, and the second balancing weight cross section is fan-shaped, and central angle is less than 35 degree.

Preferably, the vertical plane part is disc with the joint portion of upper planar section.

Preferably, the window screening grid is square, and spacing is 2.5mm.

Preferably, yarn is steel wire.

The present invention when running into dust and sand weather, under the wind-force effect, thus vertical plane part be close to and sealed the window screening grid with adjacent two transverse yarns, avoided entering of sand and dust; When sand and dust in the past after, during calm and gentle breeze, balancing weight drives deadweight type sand prevention sheet around the transverse yarns rotation contacted with its joint portion under Action of Gravity Field, thereby vertical plane partly is upturned, no longer closed window gauze lattice, play draught effect.

the accompanying drawing explanation:

Accompanying drawing 1 is that the master of the window screening of a width better embodiment looks schematic diagram.

Accompanying drawing 2 is schematic perspective views of the deadweight type sand prevention sheet of a width better embodiment.

Accompanying drawing 3 is schematic perspective views of another angle of accompanying drawing 2.

Accompanying drawing 4 is the anti-dust window screening of width better embodiment schematic perspective views when closed.

Accompanying drawing 5 is the anti-dust window screening of width better embodiment schematic side view when closed.

Accompanying drawing 6 is schematic perspective views of another angle of accompanying drawing 4.

Accompanying drawing 7 is the anti-dust window screening of width better embodiment schematic perspective views while opening.

Accompanying drawing 8 is the anti-dust window screening of width better embodiment schematic side view when closed.

In figure: window screening 2, deadweight type sand prevention sheet 3, vertical plane part 31, upper planar section 32, disc part 33, balancing weight 34, convex surface 331, vertical yarn 21, transverse yarns 22, joint portion 35, the second balancing weight 341, concave surface 332.

the specific embodiment:

As Fig. 1 ~ Fig. 3, a kind of anti-dust window screening comprises: window screening 2 and deadweight type sand prevention sheet 3; Wherein, window screening 2 is for by the crisscross network be made into of yarn, the semi-closed structure of the both ends open that deadweight type sand prevention sheet 3 is bent into for thin slice.

Deadweight type sand prevention sheet 3 comprises: vertical plane part 31, upper planar section 32, disc part 33, balancing weight 34; Vertical plane part 31, upper planar section 32 are the cuboid thin slice, one end of the upper end of vertical plane part 31 and upper planar section 32 joins and vertical plane part 31 is acute angle with the angle of upper planar section 32, one end of the other end of upper planar section 32 and disc part 33 joins, the other end of disc part 33 bends towards vertical plane part 31, and to form the convex surface 331 of semi-closed structures and disc part 33 outside, and the axis of disc part 33 is positioned on the angular bisector of vertical plane part 31 and upper planar section 32; Balancing weight 34 is the high density block, and its width equals the width of planar section 32, and balancing weight 34 fixes with upper planar section 32.

In conjunction with Fig. 4 ~ Fig. 8, deadweight type sand prevention sheet 3 is between a vertical yarn 21 and another vertical yarn 21 of being adjacent and deadweight type sand prevention sheet 3 width equal a vertical yarn 21 and the spacing of another vertical yarn 21 of being adjacent, article two, the joint portion 35 that adjacent transverse yarns 22 is positioned at vertical plane part 31 and upper planar section 32 through the semi-closed structure of deadweight type sand prevention sheet 3 and top transverse yarns 22 is for lodge deadweight type sand prevention sheet 3, and transverse yarns 22 on the lower contacts with the concave surface 332 of disc part 33; Vertical plane part 31 length are greater than the twice of two adjacent transverse yarns 22 spacings; The moment that balancing weight 34 produces should be enough to make vertical plane part 31 perks of deadweight type sand prevention sheet 3 when gentle breeze.

In the present embodiment, balancing weight 34 joins with the upper surface of upper planar section 32, and the interface of balancing weight 34 is fan-shaped and its central angle is less than 40 degree.

In the present embodiment, it is fan-shaped that balancing weight 34 also includes the second balancing weight 341, the second balancing weight 341 cross sections that the soffit with upper planar section 32 joins, and central angle is less than 35 degree.

In the present embodiment, vertical plane part 31 is disc with the joint portion 35 of upper planar section 32.

In the present embodiment, the window screening grid is square, and spacing is 2.5mm.

In the present embodiment, yarn is steel wire.

As Fig. 4 ~ Fig. 5, the present invention when running into dust and sand weather, under the wind-force effect, thus vertical plane part 31 be close to and sealed the window screening grid with adjacent two transverse yarns 22, avoided entering of sand and dust; As Fig. 7, Fig. 8, when sand and dust in the past after, during calm and gentle breeze, balancing weight 34 drives deadweight type sand prevention sheet 3 and rotates around the transverse yarns 22 contacted with its joint portion 35 under Action of Gravity Field, thereby vertical plane part 31 is upturned, and no longer closed window gauze lattice, play draught effect.

Claims

1. an anti-dust window screening, is characterized in that, comprising: window screening and deadweight type sand prevention sheet; Wherein, window screening is for by the crisscross network be made into of yarn, the semi-closed structure that deadweight type sand prevention sheet is the both ends open that is bent into of thin slice;

Deadweight type sand prevention sheet comprises: vertical plane part, upper planar section, disc part, balancing weight; Vertical plane part, upper planar section are the cuboid thin slice, the upper end of vertical plane part joins with an end of upper planar section and vertical plane is partly acute angle with the angle of upper planar section, one end of the other end of upper planar section and disc part joins, the other end of disc part bends towards vertical plane, and partly to form the convex surface of semi-closed structure and disc part outside, and the axis of disc part is positioned on the angular bisector of vertical plane part and upper planar section; Balancing weight is the high density block, and its width equals the width of planar section, and balancing weight and upper planar section fix;

Deadweight type sand prevention sheet is between a vertical yarn and another vertical yarn of being adjacent and deadweight type sand prevention sheet width equals a vertical yarn and the spacing of another vertical yarn of being adjacent, article two, the joint portion that adjacent transverse yarns is positioned at vertical plane part and upper planar section through the semi-closed structure of deadweight type sand prevention sheet and top transverse yarns is for lodge deadweight type sand prevention sheet, contacting with disc concave surface partly to yarn on the lower; The vertical plane partial-length is greater than the twice of two adjacent transverse yarns spacings; The moment that balancing weight produces should be enough to make the vertical plane part perk of deadweight type sand prevention sheet when gentle breeze.

2. anti-dust window screening according to claim 1, it is characterized in that: the upper surface of balancing weight and upper planar section joins, and the interface of balancing weight is fan-shaped and its central angle is less than 40 degree.

3. anti-dust window screening according to claim 2 is characterized in that: balancing weight also includes the second balancing weight that the soffit with upper planar section joins, and the second balancing weight cross section is fan-shaped, and central angle is less than 35 degree.

4. anti-dust window screening according to claim 1 is characterized in that: the vertical plane part is disc with the joint portion of upper planar section.

5. anti-dust window screening according to claim 1 is characterized in that: the window screening grid is square, and spacing is 2.5mm.

6. anti-dust window screening according to claim 1, it is characterized in that: yarn is steel wire.