The built-in sliding sash with disappearing screen window box of a kind of aluminium alloys internal-open and inner tilt window that technical field the present invention relates on building, use belongs to the attached auxiliary products technical field of architectural house window.
The aluminium alloys internal-open and inner tilt window that background technology is used on building at present with built-in sliding sash with disappearing screen window box; By: fixed window frame, movable sashes, built-in sliding sash with disappearing screen window are formed; The aluminium alloys internal-open and inner tilt window comprises three kinds of structures: half internal-open and inner tilt window, half internal-open and inner tilt and half inward, full internal-open and inner tilt window; The built-in sliding sash with disappearing screen window box of built-in sliding sash with disappearing screen window is installed in the munnion of fixed window frame; It is less that the built-in sliding sash with disappearing screen window box of these several kinds of window constructions exists screen window box structure, and weather strip, screen window edge sealing and the windproof slide fastener of gauze are not set, and makes that the gauze capacity is little in actual use, window unlatching size is little; The damaged easily problem of infiltration and gauze is made troubles to use easily.
Summary of the invention the present invention provides a kind of built-in sliding sash with disappearing screen window box of aluminium alloys internal-open and inner tilt window; Adopt the windproof zipper technology of large-diameter circular housing, weather strip, screen window edge sealing and gauze; With realize built-in sliding sash with disappearing screen window box not only can the insect protected wind resistance cracky not, have the waterproof sealing and the purpose of dedusting automatically simultaneously.
A kind of built-in sliding sash with disappearing screen window box of aluminium alloys internal-open and inner tilt window; Built-in sliding sash with disappearing screen window box is long tubular construction; Built-in gauze, gauze spool and spring; Described built-in sliding sash with disappearing screen window box comprises: locating button, screen window edge sealing, sash sealing joint strip groove, strengthening stud hole bit architecture in screen window box housing, the screen window box, and screen window box housing arc-shaped structure is provided with locating button in several screen window boxes, and the screen window box shell structure that gauze is imported and exported opening one side is provided with screen window edge sealing, sash sealing joint strip groove; Between screen window edge sealing and sash sealing joint strip groove, strengthening stud hole bit architecture is set; In sash sealing joint strip groove, weather strip is installed, the heat-insulating bridge-cut-off contact matching sealing on weather strip and the sash frame, the frame of screen window edge sealing and munnion constitutes the import and export screen door track structure of gauze.
The gauze of built-in sliding sash with disappearing screen window up and down edges at two ends also sew up the windproof slide fastener that rectangular slide fastener shape structure is installed, windproof slide fastener closely fits with " # " font structure of screen door track.
Weather strip is the flexure strip structure, is plugged in the sealing joint strip groove of built-in sliding sash with disappearing screen window box, and there is the elastic construction of a bending weather strip end, epitaxial end fitted seal in the middle of the elastic construction of the bending of weather strip end and the heat-insulating bridge-cut-off.
The dedusting wool top is installed on screen window edge sealing and frame, and the groove that screen window edge sealing and frame are installed the dedusting wool top is and is oppositely arranged, and the dedusting wool top should seal the gap between screen window edge sealing and the frame after installing.
Locating button is a circular configuration in the screen window box, and an opening inwardly is set, and locating button and screen window box housing are monolithic construction in the screen window box.
Screen window edge sealing and screen window box housing are monolithic construction, are the epitaxial structure of screen window box housing, are provided with the gauze turnover close mouth structure of H type structure in screen window edge sealing end.
Sash sealing joint strip groove is arranged on the sidewall of screen window box housing, is positioned at the upper position of screen window edge sealing, is the epitaxial structure of screen window box housing, is the embedded structure groove of insertable band arc, and weather strip is plugged in the sash sealing joint strip groove.
Position, strengthening stud hole is between screen window edge sealing and sash sealing joint strip groove structure; Middle band circular hole structure; Circular hole one side opening, circular hole and screen window box up and down the two ends blanking cover is connected fixing, and and screen window edge sealing and sash sealing joint strip groove between formation section bar reinforcement; There is an adhesive tape sealing groove position at screen window edge sealing and edge, position, strengthening stud hole, through forming another road sealing device with the sash overlap joint.
Owing to adopted the built-in sliding sash with disappearing screen window box of a kind of aluminium alloys internal-open and inner tilt window of the present invention; Solved that existing built-in sliding sash with disappearing screen window box body is long-pending little, the problem of wind resistance difference cracky and tightness and watertightness difference; This screen window box has simple in structure; Easy to install, cost is low, mosquito-proof, windproof, tightness and watertightness good effectiveness.
The specific embodiment
The present invention has following three embodiments, describes respectively at present.
Embodiment one: a kind of aluminium alloys half internal-open and inner tilt window
Like Fig. 1, Fig. 2, Fig. 7, Fig. 9, shown in Figure 10.
A kind of aluminium alloys half internal-open and inner tilt window is equipped with built-in sliding sash with disappearing screen window box 2 in munnion 1, on built-in sliding sash with disappearing screen window box 2, weather strip 3 is installed, weather strip 3 and heat-insulating bridge-cut-off 4 contact seals.
Munnion 1 comprises: frame 11 structures.
Built-in sliding sash with disappearing screen window box 2 comprises: locating button 22, gauze import and export 23, screen window edge sealing 24, sash sealing joint strip groove 25, screen window box cavity 26, position, strengthening stud hole 27 structures in screen window box housing 21, the screen window box.
A kind of built-in sliding sash with disappearing screen window box of aluminium alloys internal-open and inner tilt window; Built-in sliding sash with disappearing screen window box is long tubular construction; Built-in gauze, gauze spool and spring; Described built-in sliding sash with disappearing screen window box 2 comprises: locating button 22, screen window edge sealing 24, sash sealing joint strip groove 25, position, strengthening stud hole 27 structures in screen window box housing 21, the screen window box; Screen window box housing 21 arc-shaped structures are provided with locating button 22 in several screen window boxes; Screen window box housing 21 structures that gauze is imported and exported 23 openings, one side are provided with screen window edge sealing 24, sash sealing joint strip groove 25, and position, strengthening stud hole 27 structures are set between screen window edge sealing 24 and sash sealing joint strip groove 25, in sash sealing joint strip groove 25, weather strip 3 are installed; Weather strip 3 constitutes the import and export screen door track structure of gauzes with heat-insulating bridge-cut-off 4 contact matching sealing, the frame 11 of screen window edge sealing 24 and munnion 1.
Edges at two ends is also sewed up the windproof slide fastener that rectangular slide fastener shape structure is installed about the gauze of built-in sliding sash with disappearing screen window; Windproof slide fastener closely fits with " # " font structure of screen door track; Form extremely strong protection effect, and gauze two ends cracky not up and down.
Weather strip 3 is the flexure strip structure, is plugged in the sash sealing joint strip groove 25, and there is the elastic construction of a bending weather strip 3 ends, epitaxial end fitted seal in the middle of the elastic construction of the bending of weather strip 3 ends and the heat-insulating bridge-cut-off 4.
On screen window edge sealing 24 and frame 11, the dedusting wool top is installed, the groove that screen window edge sealing 24 and frame 11 are installed the dedusting wool tops is and is oppositely arranged, and the dedusting wool top should seal the gap between screen window edge sealing 24 and the frame 11 after installing.
Locating button 22 is a circular configuration in the screen window box, and an opening inwardly is set, and locating button 22 is a monolithic construction with screen window box housing 21 in the screen window box.
Screen window edge sealing 24 is monolithic construction with screen window box housing 21, is the epitaxial structure of screen window box housing 21, is provided with the gauze turnover close mouth structure of H type structure in screen window edge sealing 24 ends.
Sash sealing joint strip groove 25 is arranged on the sidewall of screen window box housing 21, is positioned at the upper position of screen window edge sealing 24, is the epitaxial structure of screen window box housing 21, is the embedded structure groove of insertable band arc, and weather strip 3 is plugged in the sash sealing joint strip groove 25.
Position, strengthening stud hole 27 is between screen window edge sealing 24 and sash sealing joint strip groove 25 structures; Middle band circular hole structure; Circular hole one side opening, circular hole and screen window box up and down the two ends blanking cover is connected fixing, and and screen window edge sealing 24 and sash sealing joint strip groove 25 between formation section bar reinforcement; Screen window edge sealing 24 has an adhesive tape sealing groove position with 27 edges, position, strengthening stud hole, through forming another road sealing device with the sash overlap joint.
Half internal-open and inner tilt window of this structure have only a sash can inswinging casement window with inwardly tiltedly window; So built-in sliding sash with disappearing screen window box 2 is installed in the one-sided munnion 1; A built-in sliding sash with disappearing screen window box 2 promptly only is installed in whole half internal-open and inner tilt window; With being fixedly installed on the windowsill of building after the assembling of half internal-open and inner tilt window, in the side munnion 1 that the needs that then whole built-in sliding sash with disappearing screen window box 2 are mounted on half internal-open and inner tilt window are windowed, install; Half internal-open and inner tilt window and built-in sliding sash with disappearing screen window box 2 just can normally use, and can window and can pull on screen window to prevent winged insect etc.
Built-in sliding sash with disappearing screen window is hidden in the fixed window frame groove on one side dexterously, pulls out gauze through the screen window box in the groove and in the screen door track of window frame, stretches slowly.Through the magnetic stripe automatic locking screen window on the Window screen handle.Thereby sliding sash with disappearing screen window is hidden in the application life that has prolonged each parts of screen window in the die cavity of section bar.Whole shape is elegant in appearance outside window, and has really solved the difficult problem of industry on windproof.Two ends and windproof slide fastener are stitched together about the gauze of screen window, and closely fit with screen door track, and ten grades of strong wind are also difficult to blow out track to gauze even blow, thereby reaches very strong mosquito-proof and protection effect.
Screen window box one end has the elasticity of regulating the sliding sash with disappearing screen window spring, and is convenient and practical.When maintenance and installation is debugged, save the trouble of turning on screen window box one end blanking cover, thereby improved the efficient of installing and keeping in repair greatly.The screen window box is closely to fit together it and window frame dexterously through the unique design theory, has strengthened the effect of tightness and watertightness.
Window is opened the back and is pulled out gauze with have gentle hands is light once drawing in the screen window box.
The section bar of window frame and screen door track are designed to a section bar, and both unite two into one, and save the operation of attachment rail, thereby steadiness and the efficient of installation of track when the push-and-pull screen window is improved greatly, and have saved the cost of material.
System of each self-forming of sliding sash with disappearing screen window and sash; Perfection is fused into integral body again, and whole window is designed to the sealing of four roads, makes tightness, watertightness, Wind-Pressure Resistance, heat-insulation and heat-preservation, the soundproof effect of window; Each item physical property improves greatly, meets the low-carbon energy-saving development trend that country advocates.
The waterproof sealing adhesive tape is set on the screen window box, can strengthens watertightness, the tightness of door and window, the spiro keyhole position structure is set on the sealing joint strip limit through it; Fix with two ends blanking cover about the screen window box; The screen window box can not rock when making the pass window, has increased intensity, and has increased the wall thickness of section bar at this position.
This window and door system both can be made internal-open and inner tilt window, can make outer casement window again.Comprise vertical hinged door, whole window is at indoor any parts of can't see screen window.Only see Window screen handle indoor when doing outer casement window.
The diameter of screen window box is bigger, makes to contain the yarn amount and increase greatly, can satisfy the requirement of the width door and window that exceeds standard.
The dedusting wool top is equipped with on screen window box both sides, automatic dust out when gauze is pulled out track.
Embodiment two: a kind of aluminium alloys half internal-open and inner tilt and half inward
Like Fig. 3, Fig. 4, Fig. 7, Fig. 9, shown in Figure 10.
A kind of aluminium alloys half internal-open and inner tilt and half inward are equipped with built-in sliding sash with disappearing screen window box 2 in munnion 1, on built-in sliding sash with disappearing screen window box 2, weather strip 3 is installed, weather strip 3 and heat-insulating bridge-cut-off 4 contact seals.
Munnion 1 comprises: frame 11 structures.
Built-in sliding sash with disappearing screen window box 2 comprises: locating button 22, gauze import and export 23, screen window edge sealing 24, sash sealing joint strip groove 25, screen window box cavity 26, position, strengthening stud hole 27 structures in screen window box housing 21, the screen window box.
A kind of built-in sliding sash with disappearing screen window box of aluminium alloys internal-open and inner tilt window; Built-in sliding sash with disappearing screen window box is long tubular construction; Built-in gauze, gauze spool and spring; Described built-in sliding sash with disappearing screen window box 2 comprises: locating button 22, screen window edge sealing 24, sash sealing joint strip groove 25, position, strengthening stud hole 27 structures in screen window box housing 21, the screen window box; Screen window box housing 21 arc-shaped structures are provided with locating button 22 in several screen window boxes; Screen window box housing 21 structures that gauze is imported and exported 23 openings, one side are provided with screen window edge sealing 24, sash sealing joint strip groove 25, and position, strengthening stud hole 27 structures are set between screen window edge sealing 24 and sash sealing joint strip groove 25, in sash sealing joint strip groove 25, weather strip 3 are installed; Weather strip 3 constitutes the import and export screen door track structure of gauzes with heat-insulating bridge-cut-off 4 contact matching sealing, the frame 11 of screen window edge sealing 24 and munnion 1.
Edges at two ends is also sewed up the windproof slide fastener that rectangular slide fastener shape structure is installed about the gauze of built-in sliding sash with disappearing screen window; Windproof slide fastener closely fits with " # " font structure of screen door track; Form extremely strong protection effect, and gauze two ends cracky not up and down.
Weather strip 3 is the flexure strip structure, is plugged in the sash sealing joint strip groove 25, and there is the elastic construction of a bending weather strip 3 ends, epitaxial end fitted seal in the middle of the elastic construction of the bending of weather strip 3 ends and the heat-insulating bridge-cut-off 4.
On screen window edge sealing 24 and frame 11, the dedusting wool top is installed, the groove that screen window edge sealing 24 and frame 11 are installed the dedusting wool tops is and is oppositely arranged, and the dedusting wool top should seal the gap between screen window edge sealing 24 and the frame 11 after installing.
Locating button 22 is a circular configuration in the screen window box, and an opening inwardly is set, and locating button 22 is a monolithic construction with screen window box housing 21 in the screen window box.
Screen window edge sealing 24 is monolithic construction with screen window box housing 21, is the epitaxial structure of screen window box housing 21, is provided with the gauze turnover close mouth structure of H type structure in screen window edge sealing 24 ends.
Sash sealing joint strip groove 25 is arranged on the sidewall of screen window box housing 21, is positioned at the upper position of screen window edge sealing 24, is the epitaxial structure of screen window box housing 21, is the embedded structure groove of insertable band arc, and weather strip 3 is plugged in the sash sealing joint strip groove 25.
Position, strengthening stud hole 27 is between screen window edge sealing 24 and sash sealing joint strip groove 25 structures; Middle band circular hole structure; Circular hole one side opening, circular hole and screen window box up and down the two ends blanking cover is connected fixing, and and screen window edge sealing 24 and sash sealing joint strip groove 25 between formation section bar reinforcement; Screen window edge sealing 24 has an adhesive tape sealing groove position with 27 edges, position, strengthening stud hole, through forming another road sealing device with the sash overlap joint.
Half internal-open and inner tilt of this structure and half inward have only a sash can inswinging casement window with inwardly tiltedly window; And another sash can only inswinging casement window; Built-in sliding sash with disappearing screen window box 2 is installed in the munnion 1; A built-in sliding sash with disappearing screen window box 2 promptly can be installed in half internal-open and inner tilt and half inward, two built-in sliding sash with disappearing screen window boxes 2 also can be installed, with being fixedly installed on the windowsill of building after half internal-open and inner tilt and the assembling of half inward; Then built-in sliding sash with disappearing screen window box 2 is mounted in the munnion 1; Install, half internal-open and inner tilt and half inward and built-in sliding sash with disappearing screen window box 2 just can normally use, and can window and can pull on screen window prevents winged insect etc.
Built-in sliding sash with disappearing screen window is hidden in the fixed window frame groove on one side dexterously, pulls out gauze through the screen window box in the groove and in the screen door track of window frame, stretches slowly.Through the magnetic stripe automatic locking screen window on the Window screen handle.Thereby sliding sash with disappearing screen window is hidden in the application life that has prolonged each parts of screen window in the die cavity of section bar.Whole shape is elegant in appearance outside window, and has really solved the difficult problem of industry on windproof.Two ends and windproof slide fastener are stitched together about the gauze of screen window, and closely fit with screen door track, and ten grades of strong wind are also difficult to blow out track to gauze even blow, thereby reaches very strong mosquito-proof and protection effect.
Screen window box one end has the elasticity of regulating the sliding sash with disappearing screen window spring, and is convenient and practical.When maintenance and installation is debugged, save the trouble of turning on screen window box one end blanking cover, thereby improved the efficient of installing and keeping in repair greatly.The screen window box is closely to fit together it and window frame dexterously through the unique design theory, has strengthened the effect of tightness and watertightness.
Window is opened the back and is pulled out gauze with have gentle hands is light once drawing in the screen window box.
The section bar of window frame and screen door track are designed to a section bar, and both unite two into one, and save the operation of attachment rail, thereby steadiness and the efficient of installation of track when the push-and-pull screen window is improved greatly, and have saved the cost of material.
System of each self-forming of sliding sash with disappearing screen window and sash; Perfection is fused into integral body again, and whole window is designed to the sealing of four roads, makes tightness, watertightness, Wind-Pressure Resistance, heat-insulation and heat-preservation, the soundproof effect of window; Each item physical property improves greatly, meets the low-carbon energy-saving development trend that country advocates.
The waterproof sealing adhesive tape is set on the screen window box, can strengthens watertightness, the tightness of door and window, the spiro keyhole position structure is set on the sealing joint strip limit through it; Fix with two ends blanking cover about the screen window box; The screen window box can not rock when making the pass window, has increased intensity, and has increased the wall thickness of section bar at this position.
This window and door system both can be made internal-open and inner tilt window, can make outer casement window again.Comprise vertical hinged door, whole window is at indoor any parts of can't see screen window.Only see Window screen handle indoor when doing outer casement window.
The diameter of screen window box is bigger, makes to contain the yarn amount and increase greatly, can satisfy the requirement of the width door and window that exceeds standard.
The dedusting wool top is equipped with on screen window box both sides, automatic dust out when gauze is pulled out track.
Embodiment three: the full internal-open and inner tilt window of a kind of aluminium alloys
Like Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, shown in Figure 10.
The full internal-open and inner tilt window of a kind of aluminium alloys is equipped with built-in sliding sash with disappearing screen window box 2 in munnion 1, on built-in sliding sash with disappearing screen window box 2, weather strip 3 is installed, weather strip 3 and heat-insulating bridge-cut-off 4 contact seals.
Munnion 1 comprises: frame 11 structures.
Built-in sliding sash with disappearing screen window box 2 comprises: locating button 22, gauze import and export 23, screen window edge sealing 24, sash sealing joint strip groove 25, screen window box cavity 26, position, strengthening stud hole 27 structures in screen window box housing 21, the screen window box.
A kind of built-in sliding sash with disappearing screen window box of aluminium alloys internal-open and inner tilt window; Built-in sliding sash with disappearing screen window box is long tubular construction; Built-in gauze, gauze spool and spring; Described built-in sliding sash with disappearing screen window box 2 comprises: locating button 22, screen window edge sealing 24, sash sealing joint strip groove 25, position, strengthening stud hole 27 structures in screen window box housing 21, the screen window box; Screen window box housing 21 arc-shaped structures are provided with locating button 22 in several screen window boxes; Screen window box housing 21 structures that gauze is imported and exported 23 openings, one side are provided with screen window edge sealing 24, sash sealing joint strip groove 25, and position, strengthening stud hole 27 structures are set between screen window edge sealing 24 and sash sealing joint strip groove 25, in sash sealing joint strip groove 25, weather strip 3 are installed; Weather strip 3 constitutes the import and export screen door track structure of gauzes with heat-insulating bridge-cut-off 4 contact matching sealing, the frame 11 of screen window edge sealing 24 and munnion 1.
Edges at two ends is also sewed up the windproof slide fastener that rectangular slide fastener shape structure is installed about the gauze of built-in sliding sash with disappearing screen window; Windproof slide fastener closely fits with " # " font structure of screen door track; Form extremely strong protection effect, and gauze two ends cracky not up and down.
Weather strip 3 is the flexure strip structure, is plugged in the sash sealing joint strip groove 25, and there is the elastic construction of a bending weather strip 3 ends, epitaxial end fitted seal in the middle of the elastic construction of the bending of weather strip 3 ends and the heat-insulating bridge-cut-off 4.
On screen window edge sealing 24 and frame 11, the dedusting wool top is installed, the groove that screen window edge sealing 24 and frame 11 are installed the dedusting wool tops is and is oppositely arranged, and the dedusting wool top should seal the gap between screen window edge sealing 24 and the frame 11 after installing.
Locating button 22 is a circular configuration in the screen window box, and an opening inwardly is set, and locating button 22 is a monolithic construction with screen window box housing 21 in the screen window box.
Screen window edge sealing 24 is monolithic construction with screen window box housing 21, is the epitaxial structure of screen window box housing 21, is provided with the gauze turnover close mouth structure of H type structure in screen window edge sealing 24 ends.
Sash sealing joint strip groove 25 is arranged on the sidewall of screen window box housing 21, is positioned at the upper position of screen window edge sealing 24, is the epitaxial structure of screen window box housing 21, is the embedded structure groove of insertable band arc, and weather strip 3 is plugged in the sash sealing joint strip groove 25.
Position, strengthening stud hole 27 is between screen window edge sealing 24 and sash sealing joint strip groove 25 structures; Middle band circular hole structure; Circular hole one side opening, circular hole and screen window box up and down the two ends blanking cover is connected fixing, and and screen window edge sealing 24 and sash sealing joint strip groove 25 between formation section bar reinforcement; Screen window edge sealing 24 has an adhesive tape sealing groove position with 27 edges, position, strengthening stud hole, through forming another road sealing device with the sash overlap joint.
The full internal-open and inner tilt window of this structure be two sash can inswinging casement window with inwardly tiltedly window; So built-in sliding sash with disappearing screen window box 2 is installed in the munnion 1 of both sides; Two built-in sliding sash with disappearing screen window boxes 2 promptly should be installed in whole full internal-open and inner tilt window; With being fixedly installed on the windowsill of building after the full internal-open and inner tilt window assembling; Then two built-in sliding sash with disappearing screen window boxes 2 are mounted in the both sides munnion 1 of full internal-open and inner tilt window, install, full internal-open and inner tilt window and built-in sliding sash with disappearing screen window box 2 just can normally use.
Built-in sliding sash with disappearing screen window is hidden in the fixed window frame groove on one side dexterously, pulls out gauze through the screen window box in the groove and in the screen door track of window frame, stretches slowly.Through the magnetic stripe automatic locking screen window on the Window screen handle.Thereby sliding sash with disappearing screen window is hidden in the application life that has prolonged each parts of screen window in the die cavity of section bar.Whole shape is elegant in appearance outside window, and has really solved the difficult problem of industry on windproof.Two ends and windproof slide fastener are stitched together about the gauze of screen window, and closely fit with screen door track, and ten grades of strong wind are also difficult to blow out track to gauze even blow, thereby reaches very strong mosquito-proof and protection effect.
Screen window box one end has the elasticity of regulating the sliding sash with disappearing screen window spring, and is convenient and practical.When maintenance and installation is debugged, save the trouble of turning on screen window box one end blanking cover, thereby improved the efficient of installing and keeping in repair greatly.The screen window box is closely to fit together it and window frame dexterously through the unique design theory, has strengthened the effect of tightness and watertightness.
Window is opened the back and is pulled out gauze with have gentle hands is light once drawing in the screen window box.
The section bar of window frame and screen door track are designed to a section bar, and both unite two into one, and save the operation of attachment rail, thereby steadiness and the efficient of installation of track when the push-and-pull screen window is improved greatly, and have saved the cost of material.
System of each self-forming of sliding sash with disappearing screen window and sash; Perfection is fused into integral body again, and whole window is designed to the sealing of four roads, makes tightness, watertightness, Wind-Pressure Resistance, heat-insulation and heat-preservation, the soundproof effect of window; Each item physical property improves greatly, meets the low-carbon energy-saving development trend that country advocates.
The waterproof sealing adhesive tape is set on the screen window box, can strengthens watertightness, the tightness of door and window, the spiro keyhole position structure is set on the sealing joint strip limit through it; Fix with two ends blanking cover about the screen window box; The screen window box can not rock when making the pass window, has increased intensity, and has increased the wall thickness of section bar at this position.
This window and door system both can be made internal-open and inner tilt window, can make outer casement window again.Comprise vertical hinged door, whole window is at indoor any parts of can't see screen window.Only see Window screen handle indoor when doing outer casement window.
The diameter of screen window box is bigger, makes to contain the yarn amount and increase greatly, can satisfy the requirement of the width door and window that exceeds standard.
The dedusting wool top is equipped with on screen window box both sides, automatic dust out when gauze is pulled out track.
Embodiments of the invention can be multiple form of structure, can not only be interpreted as the implementation content of above-mentioned several examples, and the technology contents similar or close with the present invention all should be regarded as protection scope of the present invention.