CN111706222A - Reinforced toughened glass window - Google Patents

Reinforced toughened glass window Download PDF

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Publication number
CN111706222A
CN111706222A CN202010598168.2A CN202010598168A CN111706222A CN 111706222 A CN111706222 A CN 111706222A CN 202010598168 A CN202010598168 A CN 202010598168A CN 111706222 A CN111706222 A CN 111706222A
Authority
CN
China
Prior art keywords
window
gauze
frame body
block
dust collecting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202010598168.2A
Other languages
Chinese (zh)
Other versions
CN111706222B (en
Inventor
王祁
许强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Green City Building Curtain Wall Engineering Co ltd
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202010598168.2A priority Critical patent/CN111706222B/en
Publication of CN111706222A publication Critical patent/CN111706222A/en
Application granted granted Critical
Publication of CN111706222B publication Critical patent/CN111706222B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/32Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing
    • E06B3/34Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement
    • E06B3/38Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement with a horizontal axis of rotation at the top or bottom of the opening
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L4/00Cleaning window shades, window screens, venetian blinds
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/52Devices affording protection against insects, e.g. fly screens; Mesh windows for other purposes
    • E06B9/54Roller fly screens
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/52Devices affording protection against insects, e.g. fly screens; Mesh windows for other purposes
    • E06B2009/528Screens extending between movable wing and fixed frame of window or door

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Architecture (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Insects & Arthropods (AREA)
  • Pest Control & Pesticides (AREA)
  • Blinds (AREA)

Abstract

The invention provides a reinforced toughened glass window which comprises a frame body, a window body, toughened glass, a gauze, a winding roller, a dust collecting device and an angle limiting mechanism, wherein the window body is arranged in the center of an inner cavity of the frame body; the screen is arranged between the window body and the frame body, so that mosquitoes can be prevented from flying into a room from the outside, meanwhile, the winding device enables the length of the screen to be adjustable, the angle between the window body and the frame body to be adjustable, the practicability of the window is improved, in addition, the arrangement of the pressing block can clean dust accumulated on the surface of the screen, and the appearance of the window is cleaner.

Description

Reinforced toughened glass window
Technical Field
The invention relates to the technical field of doors and windows, in particular to a reinforced toughened glass window.
Background
The window is divided into a horizontal sliding window and a vertical sliding window according to different sliding directions. The horizontal sliding window needs to be provided with rail grooves at the upper part and the lower part of a window sash, and the vertical sliding window needs to be provided with pulleys and balance measures. The window has the advantages of no indoor space occupation, beautiful appearance, economic price and better sealing property. The vertical sliding window adopts a high-grade sliding rail, is slightly pushed and is flexibly opened. The large glass block is matched, so that the indoor lighting is increased, and the overall appearance of the building is improved. The window sash is good in stress state and not easy to damage, but the ventilation area is limited to a certain extent.
However, in summer, external mosquitoes often fly into a room through the vertical sliding window, and the conventional vertical sliding window usually needs to be additionally provided with a screen window for preventing the mosquitoes from flying into the room, so that time and labor are wasted; in addition, although the gauze is installed on the vertical sliding window in the prior art, the opening angle of the vertical sliding window is fixed, the practicability is poor, the conventional vertical sliding window is lack of a dust cleaning device, and mosquito corpses and dust are accumulated on the surface of the gauze in the long-time use process to influence the appearance of the gauze.
Disclosure of Invention
In order to achieve the purpose, the invention adopts the following technical scheme that the reinforced toughened glass window comprises a frame body, a window body, toughened glass, gauze screens, a winding roller, a dust collecting device and an angle limiting mechanism, wherein the window body is arranged in the center of an inner cavity of the frame body, the toughened glass is embedded in the surface of the window body, the outer walls of the left side and the right side of the top of the window body are rotatably connected with the inner walls of the left side and the right side of the top of the frame body through rotating shafts, the winding devices are vertically arranged on the left side and the right side of the inner cavity of the frame body, the gauze screens are arranged between the two groups of winding devices and the left side and the right side of the window body, the dust collecting device is arranged at two ends of the bottom; wherein:
the winding device comprises a box body, a strip-shaped opening, a winding roller, a clockwork spring, a reed, a pressing block and a dust removal brush, wherein the box body is divided into two groups, the two groups of box bodies are respectively arranged on the inner walls of the left side and the right side of the inner cavity of the frame body, the winding roller is vertically arranged in the inner cavity of the box body, the tail ends of the two ends of the winding roller are respectively rotatably connected with the inner walls of the upper side and the lower side of the inner cavity of the box body through a rotating shaft, the clockwork spring is wound on the surface of the tail ends of the two sides of the winding roller, the tail ends of the inner sides of the clockwork spring are fixedly connected with the surface of the winding roller, the strip-shaped opening is vertically arranged on the side wall of the inner side of the box body, one end of the gauze is fixedly connected with the side, the dust removal brush is lapped on the surface of the gauze, and the outer side of the compression block is fixedly connected with the outer wall of the box body through a reed;
the mechanism is injectd to angle includes movable block, fixed block, card hole and fixture block, the movable block is total two sets of, two sets of the one end of movable block respectively with rotate through the pivot between the inner chamber left and right sides top inner wall of framework and connect, the other end of movable block is equipped with the fixture block, the left and right sides top lateral wall of window body all is equipped with the fixed block, the surperficial equidistance of fixed block is evenly opened there is the multiunit card hole, the fixture block with card hole block is connected.
Preferably; the dust collecting device comprises dust collecting boxes, sliding blocks and sliding grooves, a pair of mutually symmetrical sliding grooves are horizontally arranged on the surfaces of the two ends of the bottom of the frame body in a penetrating mode, the number of the dust collecting boxes is two, the sliding blocks are arranged at the left end and the right end of the top of each dust collecting box, the sliding blocks are connected with the sliding grooves in a sliding mode respectively, and the openings of the tops of the two dust collecting boxes are located under the two sets of gauze screens.
Preferably; the gauze is formed by weaving nylon ropes.
Preferably; the movable block and the fixed block are made of stainless steel materials, and a layer of wear-resistant rubber sleeve is sleeved on the surface of the clamping block.
Preferably; the outer surface of the dust collection box is provided with a pull ring.
Preferably; the bottom surface of the window body and the bottom surface of the frame body are provided with a set of window locking devices.
Has the advantages that:
the screen is arranged between the window body and the frame body, so that mosquitoes can be effectively prevented from flying into a room from the outside;
the length of the gauze is adjustable by arranging the winding device, so that the angle between the window body and the frame body is adjustable, and the practicability of the window is improved;
thirdly, the arrangement of the pressing block and the dust removal brush can clean mosquito corpses and dust accumulated on the surface of the gauze, so that the appearance of the dust removal gauze is cleaner.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of a first configuration of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a partial top view of the present invention;
FIG. 4 is an enlarged schematic view of B of FIG. 2;
FIG. 5 is a schematic view of the angle limiting mechanism of the present invention;
FIG. 6 is an enlarged schematic view of A in FIG. 1;
fig. 7 is a plan view of the dust collecting device of the present invention.
Detailed Description
Embodiments of the present invention will be described below with reference to the drawings. In this process, the width of the lines or the size of the components in the drawings may be exaggerated for clarity and convenience of description.
The following terms are defined based on the functions of the present invention, and may be different depending on the intention of the user or the operator or the convention. Therefore, these terms are defined based on the entire contents of the present specification.
As shown in fig. 1 to 7, a reinforced tempered glass window comprises a frame body 1, a window body 2, tempered glass 3, a gauze 4, a wind-up roll 5, a dust collecting device 6 and an angle limiting mechanism 7, wherein the window body 2 is arranged at the center of an inner cavity of the frame body 1, the tempered glass 3 is embedded on the surface of the window body 2, the outer walls of the left and right sides of the top of the window body 2 are rotatably connected with the inner walls of the left and right sides of the top of the frame body 1 through rotating shafts, the winding devices 5 are vertically arranged on the left and right sides of the inner cavity of the frame body 1, the gauze 4 is arranged between the two groups of winding devices 5 and the left and right sides of the window body 2, the dust collecting device 6 is arranged at both ends of the bottom of the frame body 1, the angle limiting mechanism 7 is arranged between the frame body 1 and the window body 2, and a group of window locking devices are arranged, according to the invention, the gauze 4 is arranged between the window body 2 and the frame body 1, so that mosquitoes can be effectively prevented from flying into a room from the outside;
the winding device 5 comprises box bodies 51, strip-shaped openings 52, winding rollers 53, clockwork springs 54, reeds 55, pressing blocks 56 and dust removal brushes 57, the box bodies 51 are divided into two groups, the two groups of box bodies 51 are respectively arranged on the inner walls of the left side and the right side of the inner cavity of the frame body 1, the winding rollers 53 are vertically arranged in the inner cavity of the box body 51, the tail ends of the two ends of the winding rollers 53 are rotatably connected with the inner walls of the upper side and the lower side of the inner cavity of the box body 51 through rotating shafts, the clockwork springs 54 are wound on the surfaces of the tail ends of the two sides of the winding rollers 53, the tail ends of the inner sides of the clockwork springs 54 are fixedly connected with the surface of the winding rollers 53, the strip-shaped openings 52 are vertically arranged on the inner side walls of the box bodies 51, one end of the gauze 4 is fixedly connected with, the outer side of the strip-shaped opening 52 is provided with a pressing block 56, the inner side of the pressing block 56 is provided with a dust removal brush 57, the dust removal brush 57 is lapped on the surface of the gauze 4, the outer side of the pressing block 56 is fixedly connected with the outer wall of the box body 51 through a reed 55, the gauze 4 is woven by nylon ropes, and the winding device 5 enables the length of the gauze 4 to be adjustable, so that the angle between the window body 2 and the frame body 1 is adjustable, the practicability of the window is improved, meanwhile, mosquito corpses and dust accumulated on the surface of the gauze 4 can be cleaned through the arrangement of the pressing block 56 and the dust removal brush 57, and the appearance of the window is cleaner;
the angle limiting mechanism 7 comprises two groups of movable blocks 71, fixed blocks 72, clamping holes 73 and clamping blocks 74, the movable blocks 71 are divided into two groups, the tail ends of one ends of the two groups of movable blocks 71 are respectively and rotatably connected with the inner walls above the left side and the right side of the inner cavity of the frame body 1 through rotating shafts, the tail end of the other end of each movable block 71 is provided with the clamping block 74, the fixed blocks 72 are respectively arranged on the side walls above the left side and the right side of the window body 2, a plurality of groups of clamping holes 73 are uniformly arranged on the surface of each fixed block 72 at equal intervals, the clamping blocks 74 are clamped and connected with the clamping holes 73, the movable blocks 71 and the fixed blocks 72 are both made of stainless steel materials;
the dust collecting device 6 comprises dust collecting boxes 61, sliding blocks 62 and sliding grooves 63, a pair of mutually symmetrical sliding grooves 63 horizontally penetrate through the surfaces of two ends of the bottom of the frame body 1, the two groups of dust collecting boxes 61 are provided, the sliding blocks 62 are arranged at the left end and the right end of the top of each group of dust collecting boxes 61, the two groups of sliding blocks 62 are respectively connected with the pair of sliding grooves 63 in a sliding manner, the opening of the top of each group of dust collecting boxes 61 is positioned under the two groups of gauze screens 4, and pull rings are arranged on the outer surfaces of the dust collecting boxes 61;
in the using process of the window, when the window body 2 needs to be opened, the window body 2 is rotated outwards, at the moment, the connecting ends of the two groups of gauze 4 and the window body 2 move outwards along with the window body 2, so that the gauze 4 drives the clockwork spring 54 to move outwards, after the window body 2 is fixed, the clockwork spring 54 can restore to the original position, at the moment, the connecting ends of the gauze 4 and the clockwork spring 54 move towards the winding roller 53, the connecting ends of the gauze 4 and the window body 2 can be kept still, and therefore the gauze 4 can be always kept in a tensioning state; when the window body 2 needs to be closed, the gauze 4 is rewound on the surface of the winding roller 53 under the driving of the clockwork spring 54, so that the gauze 4 can be collected into the box body 51; after the window body 2 is opened, the movable block 71 is rotated to enable the clamping block 74 to be clamped in the clamping hole 73, so that the angle between the window body 2 and the frame body 1 is fixed; in the opening and closing process of the window body 2, the pressing block 56 is always pressed on the outer surface of the gauze 4 under the action of the spring 55, so that the dust removing brush 57 can remove dust from the gauze 4, and the dust falls into the dust collection box 61 under the action of gravity, thereby collecting the dust, and in addition, the dust collection box 61 can freely slide along the sliding groove 63, so that the dust collection box 61 can slide out of the frame body 1 and process the dust.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a strenghthened type toughened glass window, includes framework (1), window body (2), toughened glass (3), gauze (4), wind-up roll (5), dust collecting device (6) and angle limiting mechanism (7), its characterized in that: a window body (2) is arranged in the center of an inner cavity of the frame body (1), toughened glass (3) is inlaid on the surface of the window body (2), the outer walls of the left side and the right side of the top of the window body (2) are rotatably connected with the inner walls of the left side and the right side of the top of the frame body (1) through rotating shafts, winding devices (5) are vertically arranged on the left side and the right side of the inner cavity of the frame body (1), gauze (4) are arranged between the two groups of winding devices (5) and the left side and the right side of the window body (2), dust collecting devices (6) are arranged at two ends of the bottom of the frame body (1), and an angle limiting mechanism (7) is arranged between the frame body (1);
the winding device (5) comprises a box body (51), a strip-shaped opening (52), a winding roller (53), a clockwork spring (54), a reed (55), a pressing block (56) and a dust removing brush (57), the box body (51) is divided into two groups, the box body (51) is respectively arranged on the inner wall of the left side and the right side of the inner cavity of the box body (1), the winding roller (53) is vertically arranged in the inner cavity of the box body (51), the tail centers of the two ends of the winding roller (53) are respectively connected with the inner walls of the upper side and the lower side of the inner cavity of the box body (51) in a rotating manner through a rotating shaft, the clockwork spring (54) is wound on the tail surfaces of the two sides of the winding roller (53), the tail end of the inner side of the clockwork spring (54) is fixedly connected with the surface of the winding roller (53), the strip-shaped opening (52) is vertically formed on the side wall, the other end of the gauze (4) penetrates through the strip-shaped opening (52) and then is fixedly connected with the outer side of the clockwork spring (54), a pressing block (56) is arranged on the outer side of the strip-shaped opening (52), a dust removing brush (57) is arranged on the inner side of the pressing block (56), the dust removing brush (57) is lapped on the surface of the gauze (4), and the outer side of the pressing block (56) is fixedly connected with the outer wall of the box body (51) through a reed (55);
mechanism (7) is injectd to angle includes movable block (71), fixed block (72), card hole (73) and fixture block (74), movable block (71) is total two sets of, two sets of the one end of movable block (71) terminal respectively with rotate through the pivot between the inner chamber left and right sides top inner wall of framework (1) and connect, the other end of movable block (71) is terminal to be equipped with fixture block (74), the left and right sides top lateral wall of window body (2) all is equipped with fixed block (72), the surperficial equidistance of fixed block (72) is evenly opened has multiunit card hole (73), fixture block (74) with card hole (73) block is connected.
2. The reinforced tempered glass window of claim 1, wherein: the dust collecting device (6) comprises dust collecting boxes (61), sliding blocks (62) and sliding grooves (63), a pair of sliding grooves (63) which are symmetrical to each other are horizontally arranged on the surfaces of two ends of the bottom of the frame body (1) in a penetrating mode, the number of the dust collecting boxes (61) is two, the sliding blocks (62) are arranged at the left end and the right end of the top of each dust collecting box (61), the sliding blocks (62) are connected with the sliding grooves (63) in a sliding mode, and the top opening where the dust collecting boxes (61) are located is located under the two sets of gauze screens (4).
3. The reinforced tempered glass window of claim 1, wherein: the gauze (4) is woven by nylon ropes.
4. The reinforced tempered glass window of claim 1, wherein: the movable block (71) and the fixed block (72) are both made of stainless steel materials, and a layer of wear-resistant rubber sleeve is sleeved on the surface of the fixture block (74).
5. The reinforced tempered glass window of claim 2, wherein: the outer surface of the dust collection box (61) is provided with a pull ring.
6. The reinforced tempered glass window of claim 1, wherein: the bottom surface of the window body (2) and the bottom surface of the frame body (1) are provided with a group of window locking devices.
CN202010598168.2A 2020-06-28 2020-06-28 Toughened glass window Expired - Fee Related CN111706222B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010598168.2A CN111706222B (en) 2020-06-28 2020-06-28 Toughened glass window

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010598168.2A CN111706222B (en) 2020-06-28 2020-06-28 Toughened glass window

Publications (2)

Publication Number Publication Date
CN111706222A true CN111706222A (en) 2020-09-25
CN111706222B CN111706222B (en) 2021-03-12

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ID=72544362

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010598168.2A Expired - Fee Related CN111706222B (en) 2020-06-28 2020-06-28 Toughened glass window

Country Status (1)

Country Link
CN (1) CN111706222B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112252952A (en) * 2020-10-19 2021-01-22 邓惠勤 Two-way free open-close type screen window convenient to clean
CN112931291A (en) * 2021-02-01 2021-06-11 安徽省农业科学院畜牧兽医研究所 Air cleaning system for laying hen house
CN114893097A (en) * 2022-05-12 2022-08-12 安徽景诺铝业有限公司 Double-open type high-rise sound insulation door and window

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2311413A (en) * 1940-03-14 1943-02-16 Persson Eric Sigfrid Screen for windows
CN2469162Y (en) * 2001-04-09 2002-01-02 姜吉昌 Internal rolling and automatic type screen door
JP2005533207A (en) * 2002-07-18 2005-11-04 フィリップ トゥシィンガー Roller blind device
CN201180467Y (en) * 2008-04-11 2009-01-14 李玉胜 Vehicle window of caravan
CN109629997A (en) * 2019-02-20 2019-04-16 赵飞 A kind of pair of forms carry out the method that side is blocked and window screening structure is blocked in side
US20190136616A1 (en) * 2017-11-03 2019-05-09 John Cito Deployable cover for a window aperture
CN209990425U (en) * 2019-03-29 2020-01-24 德尔堡窗业有限公司 Novel self-cleaning window sash structure
CN210134758U (en) * 2019-04-17 2020-03-10 无锡市钱桥建筑安装工程有限公司 Flat sliding door structure provided with invisible screen door

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2311413A (en) * 1940-03-14 1943-02-16 Persson Eric Sigfrid Screen for windows
CN2469162Y (en) * 2001-04-09 2002-01-02 姜吉昌 Internal rolling and automatic type screen door
JP2005533207A (en) * 2002-07-18 2005-11-04 フィリップ トゥシィンガー Roller blind device
CN201180467Y (en) * 2008-04-11 2009-01-14 李玉胜 Vehicle window of caravan
US20190136616A1 (en) * 2017-11-03 2019-05-09 John Cito Deployable cover for a window aperture
CN109629997A (en) * 2019-02-20 2019-04-16 赵飞 A kind of pair of forms carry out the method that side is blocked and window screening structure is blocked in side
CN209990425U (en) * 2019-03-29 2020-01-24 德尔堡窗业有限公司 Novel self-cleaning window sash structure
CN210134758U (en) * 2019-04-17 2020-03-10 无锡市钱桥建筑安装工程有限公司 Flat sliding door structure provided with invisible screen door

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112252952A (en) * 2020-10-19 2021-01-22 邓惠勤 Two-way free open-close type screen window convenient to clean
CN112252952B (en) * 2020-10-19 2022-12-27 国网浙江省电力有限公司台州供电公司 Two-way free open-close type screen window convenient to clean
CN112931291A (en) * 2021-02-01 2021-06-11 安徽省农业科学院畜牧兽医研究所 Air cleaning system for laying hen house
CN114893097A (en) * 2022-05-12 2022-08-12 安徽景诺铝业有限公司 Double-open type high-rise sound insulation door and window

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Effective date of registration: 20210219

Address after: 310000 building a, 199 Shuanglong street, Xihu District, Hangzhou City, Zhejiang Province

Applicant after: Zhejiang green city building curtain wall engineering Co.,Ltd.

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