CN112854991A - Double-layer aluminum alloy sound insulation door and window structure - Google Patents

Double-layer aluminum alloy sound insulation door and window structure Download PDF

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Publication number
CN112854991A
CN112854991A CN202110226653.1A CN202110226653A CN112854991A CN 112854991 A CN112854991 A CN 112854991A CN 202110226653 A CN202110226653 A CN 202110226653A CN 112854991 A CN112854991 A CN 112854991A
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CN
China
Prior art keywords
aluminum alloy
sound insulation
alloy plate
sound
shock pad
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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.)
Pending
Application number
CN202110226653.1A
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Chinese (zh)
Inventor
段志鹏
孟伟
段守义
孙琳
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.)
Tangshan Guangshuo Technology Development Co ltd
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Tangshan Guangshuo Technology Development Co ltd
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 Tangshan Guangshuo Technology Development Co ltd filed Critical Tangshan Guangshuo Technology Development Co ltd
Priority to CN202110226653.1A priority Critical patent/CN112854991A/en
Publication of CN112854991A publication Critical patent/CN112854991A/en
Pending legal-status Critical Current

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    • 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
    • E06B5/00Doors, windows, or like closures for special purposes; Border constructions therefor
    • E06B5/20Doors, windows, or like closures for special purposes; Border constructions therefor for insulation against noise
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F5/00Braking devices, e.g. checks; Stops; Buffers
    • E05F5/06Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops
    • 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
    • E06B3/42Sliding wings; Details of frames with respect to guiding
    • E06B3/46Horizontally-sliding wings
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00Application of doors, windows, wings or fittings thereof
    • E05Y2900/10Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/13Type of wing
    • E05Y2900/132Doors
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00Application of doors, windows, wings or fittings thereof
    • E05Y2900/10Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/13Type of wing
    • E05Y2900/148Windows

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
  • Special Wing (AREA)

Abstract

The invention relates to the technical field of door and window structures, in particular to a double-layer aluminum alloy sound-insulation door and window structure which comprises a window frame, a window sash, sound-insulation glass and a first shock pad, the window frame comprises a butting groove which is arranged right opposite to the first shock pad, and a sound insulation cavity which is arranged at the bottom of the butting groove, a second shock pad is arranged on the inner side of the sound insulation cavity opposite to the first shock pad, a sound absorption cotton pad is bonded on one side of the second shock pad far away from the first shock pad, one side of the sound-absorbing cotton pad, which is far away from the second shock-absorbing pad, is bonded on the inner side wall of the cavity body of the sound-insulating cavity, after the first shock pad penetrates through the abutting groove in a sliding mode and abuts against the second shock pad, a first sound insulation assembly and a second sound insulation assembly are symmetrically arranged on two sides of the window sash, and the first sound insulation assembly and the second sound insulation assembly are fixedly connected in the sound insulation cavity; the invention has the beneficial effects that: strengthen the sound insulation effect and the anticollision effect of casement with the window frame, sound insulation effect is better.

Description

Double-layer aluminum alloy sound insulation door and window structure
Technical Field
The invention relates to the technical field of door and window structures, in particular to a double-layer aluminum alloy sound insulation door and window structure.
Background
The door and window is divided into an enclosure member or a partition member according to different positions, and has different design requirements on heat preservation, heat insulation, sound insulation, water resistance, fire resistance and the like. Ordinary door and window generally need satisfy firm durable, open the flexibility, close tightly, and the maintenance of being convenient for and give sound insulation effect conditions such as good, wherein, to the environment that the noise is great, door and window's sound insulation effect is especially important.
In the prior art, the door and window mainly has the sound insulation effect, namely the glass on the window sash can isolate most of noise, but when the external noise is too large, the noise can be transmitted to the indoor through the window sash and the window frame with poor sound insulation effect, and particularly, the sound insulation effect at the joint of the window sash and the window frame is the worst, so that the sound insulation effect of the whole door and window is not ideal; in addition, when a common sliding glass window is used for closing or opening the window, the common sliding glass window is often collided with the window frame due to overlarge force, and scratches or unevenness can be generated due to mutual collision of the window sash and the window frame, so that the window sash and the window frame cannot be completely folded, the sound insulation effect is further reduced, and the propagation path of noise is aggravated.
Disclosure of Invention
In order to solve the technical problems, the invention provides a double-layer aluminum alloy sound-insulation door and window structure which enhances the sound-insulation effect and the anti-collision effect of a window sash and a window frame and has a better sound-insulation effect.
The technical scheme adopted by the invention is as follows: the utility model provides a double-deck aluminum alloy sound insulation door and window structure, includes the window frame, sliding connection is in casement in the window frame is installed soundproof glass in the casement and set up respectively in the first shock pad at both ends, its characterized in that about the casement: the window frame is including just right the butt recess that first shock pad set up, set up in the syllable-dividing chamber of butt recess tank bottom, the cavity inboard in sound insulation chamber is just right first shock pad is provided with the second shock pad, the second shock pad is kept away from one side of first shock pad bonds there is the cotton pad of inhaling the sound, it keeps away from to inhale the cotton pad of sound one side of second shock pad bonds on the cavity inside wall in sound insulation chamber, first shock pad slides and passes butt recess butt behind the second shock pad, the bilateral symmetry of casement is provided with first syllable-dividing subassembly and second syllable-dividing subassembly, first syllable-dividing subassembly and the equal fixed connection of second syllable-dividing subassembly in the sound insulation intracavity.
Preferably, one side of the window frame is provided with an electromagnetic switch; along the length direction of casement, the one side that first shock pad kept away from the casement inlays and is equipped with permanent magnet strip, just on the second shock pad permanent magnet strip is provided with the electromagnet, permanent magnet strip and electromagnet attract or repel each other, electromagnetic switch electric connection the electromagnet.
Preferably, inhale the cotton layer of sound that fills up the bubble that includes honeycomb, the flame retardant coating and the first protection rete of one side on the cotton layer of bubble for bonding in proper order, the opposite side on the cotton layer of bubble is second protection rete, the cotton in situ portion of bubble is filled with the sound insulation material granule, first protection rete bonds the second shock pad.
Preferably, first noise insulation subassembly is just to first aluminum alloy plate and the second aluminum alloy plate that sets up, bonds first deadening felt between first aluminum alloy plate and the second aluminum alloy plate, first aluminum alloy plate and second aluminum alloy plate all are provided with first bloop, first aluminum alloy plate and second aluminum alloy plate thickness all are not greater than 2mm, the aperture of first bloop is not more than 0.1 mm.
Preferably, the second noise insulation subassembly is just to third aluminum alloy plate and fourth aluminum alloy plate that sets up, bonds second deadening felt between third aluminum alloy plate and the fourth aluminum alloy plate, third aluminum alloy plate and fourth aluminum alloy plate all are provided with the second bloop, third aluminum alloy plate and fourth aluminum alloy plate thickness all are not greater than 2mm, the aperture of second bloop is not more than 0.1 mm.
Preferably, the first shock pad and the second shock pad are made of soft silica gel.
Preferably, sound insulation films are adhered to the two sides of the sound insulation glass, the window sash and the first shock absorption pad.
Has the advantages that: compared with the prior art, the double-layer aluminum alloy sound-insulation door and window structure provided by the invention has the advantages that the sound-insulation effect and the anti-collision effect of the window sash and the window frame are enhanced, and the sound-insulation effect is better; when the window is opened or closed every time, the first damping pad is elastically connected with the second damping pad, so that scratches or concave-convex caused by direct collision between the window sash and the window frame are effectively prevented; when closing the window, first shock pad slides and passes behind butt recess butt second shock pad, through first syllable-dividing subassembly, inhale the cotton pad of sound and the second syllable-dividing subassembly of sound and effectively prevent that the noise from spreading into or wearing out from the junction of casement and window frame, the effect that gives sound insulation is better.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the interior of the window sash and frame of the present invention;
FIG. 3 is a schematic view of the internal structure of the sound-absorbing cotton pad according to the present invention;
FIG. 4 is a schematic view of the internal construction of a first acoustic baffle assembly of the present invention;
FIG. 5 is a schematic view of the internal construction of a second acoustic baffle assembly of the present invention;
reference numerals: a window frame 1; an abutment recess 11; a sound-insulating chamber 12; a window sash 2; sound-proof glass 3; a first cushion 4; a second cushion 5; a sound absorbing cotton pad 6; a foam layer 61; a fire-blocking layer 62; a first protective film layer 63; a second protective film layer 64; a second cushion 5; a first acoustic baffle assembly 7; a first aluminum alloy plate 71; a second aluminum alloy plate 72; a first deadening felt 73; a first muffling aperture 74; a second acoustic baffle assembly 8; a third aluminum alloy plate 81; a fourth aluminum alloy plate 82; a second deadening felt 83; a second muffling aperture 84; an electromagnetic switch 9; a sound insulating film 10; a permanent magnet strip 101; an electromagnet 102.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be described in detail below with reference to the accompanying tables and specific embodiments.
As shown in fig. 1-5, a double-layer aluminum alloy sound-insulation door and window structure, including window frame 1, sliding connection is in casement 2 in the window frame 1, install sound-insulation glass 3 in the casement 2 and set up respectively in the first shock pad 4 at both ends about casement 2, its characterized in that: window frame 1 is including just right the butt recess 11 that first shock pad 4 set up, set up in the syllable-dividing chamber 12 of butt recess 11 tank bottom, the cavity inboard of sound insulation chamber 12 is just right first shock pad 4 is provided with second shock pad 5, second shock pad 5 keeps away from one side of first shock pad 4 bonds and has inhaled sound cotton pad 6, it keeps away from to inhale sound cotton pad 6 one side of second shock pad 5 bonds on the cavity inside wall of sound insulation chamber 12, first shock pad 4 slides and passes butt recess 11 butt behind second shock pad 5, the bilateral symmetry of casement 2 is provided with first syllable-dividing subassembly 7 and second syllable-dividing subassembly 8, first syllable-dividing subassembly 7 and the equal fixed connection of second syllable-dividing subassembly 8 in sound insulation chamber 12.
The double-layer aluminum alloy sound insulation door and window structure provided by the invention enhances the sound insulation effect and the anti-collision effect of the window sash 2 and the window frame 1, and has a better sound insulation effect; when the window is opened or closed every time, the first damping pad 4 is elastically connected with the second damping pad 5, so that scratches or concave-convex caused by direct collision of the window sash 2 and the window frame 1 are effectively prevented; when closing the window, first shock pad 4 slides and passes behind butt recess 11 butt second shock pad 5, through first syllable-dividing subassembly 7, inhale cotton pad 6 of sound and the second subassembly 8 that gives sound insulation and prevent effectively that the noise from introducing into or wearing out from the junction of casement 2 and window frame 1, and the effect that gives sound insulation is better.
As shown in fig. 1-5, an electromagnetic switch 9 is arranged on one side of the window frame 1; along the length direction of the window sash 2, a permanent magnet strip 101 is embedded on one side, away from the window sash 2, of the first shock absorption pad 4, an electromagnet 102 is arranged on the second shock absorption pad 5, opposite to the permanent magnet strip 101, the permanent magnet strip 101 and the electromagnet 102 attract or repel each other, and the electromagnetic switch 9 is electrically connected with the electromagnet 102; in this embodiment, after closing the window, press electromagnetic switch 9, permanent magnet strip 101 adsorbs on electromagnet 102, makes first shock pad 4 and second shock pad 5 paste tightly, effectively prevents that the noise from leading into or wearing out from the junction of casement 2 and window frame 1, and the sound insulation effect is better.
As shown in fig. 1 to 5, the sound absorption cotton pad 6 includes a foam layer 61 having a honeycomb structure, one side of the foam layer 61 is a fireproof layer 62 and a first protective film layer 63 which are sequentially bonded, the other side of the foam layer 61 is a second protective film layer 64, sound insulation material particles are filled in the foam layer 61, and the first protective film layer 63 is bonded to the second cushion 5; in the embodiment, sound insulation material particles are filled in the foam layer 61, so that sound can be effectively reduced; effective fire protection by the fire-resistant layer 62; the first protective film layer 63 and the second protective film layer 64 prevent dust from entering the inside of the foam layer 61.
As shown in fig. 1 to 5, the first soundproof assembly 7 is a first aluminum alloy plate 71 and a second aluminum alloy plate 72 which are arranged opposite to each other, a first deadening felt 73 is bonded between the first aluminum alloy plate 71 and the second aluminum alloy plate 72, the first aluminum alloy plate 71 and the second aluminum alloy plate 72 are both provided with first deadening holes 74, the thicknesses of the first aluminum alloy plate 71 and the second aluminum alloy plate 72 are not greater than 2mm, and the aperture of the first deadening holes 74 is not greater than 0.1 mm; in this embodiment, the first silencing hole 74 and the first deadening felt 73 formed in the first aluminum alloy plate 71 and the second aluminum alloy plate 72 effectively insulate sound, the thickness of the first aluminum alloy plate 71 and the second aluminum alloy plate 72 is not larger than 2mm, the aperture of the first silencing hole 74 is not larger than 0.1mm, and the sound insulation effect is better.
As shown in fig. 1 to 5, the second soundproof assembly 8 is a third aluminum alloy plate 81 and a fourth aluminum alloy plate 82 which are oppositely arranged, and a second soundproof felt 83 bonded between the third aluminum alloy plate 81 and the fourth aluminum alloy plate 82, the third aluminum alloy plate 81 and the fourth aluminum alloy plate 82 are both provided with a second muffling hole 84, the thicknesses of the third aluminum alloy plate 81 and the fourth aluminum alloy plate 82 are not greater than 2mm, and the aperture of the second muffling hole 84 is not greater than 0.1 mm; in this embodiment, the second muffling hole 84 and the second deadening felt 83 which are formed through the third aluminum alloy plate 81 and the fourth aluminum alloy plate 82 effectively insulate sound, the thickness of the third aluminum alloy plate 81 and the fourth aluminum alloy plate 82 is not larger than 2mm, the diameter of the second muffling hole 84 is not larger than 0.1mm, and the soundproof effect is better.
As shown in fig. 1 to 5, the first shock absorbing pad 4 and the second shock absorbing pad 5 are both made of soft silica gel; in this embodiment, through first shock pad 4 and the second shock pad 5 that soft silica gel material made, owing to exert oneself the mar or unsmooth that too big leads to when effectively preventing to close the window or open the window, leakproofness when making casement 2 and window frame 1 close is better, and the effect that gives sound insulation is just better.
As shown in fig. 1 to 5, sound insulation films 10 are adhered to both sides of the sound insulation glass 3, the window sash 2 and the first shock absorption pad 4; in this embodiment, sound-proof membrane 10 is pasted to both sides through sound-proof glass 3, casement 2 and first shock pad 4, has strengthened the syllable-dividing effect of the junction of sound-proof glass 3 and casement 2, the junction of casement 2 and first shock pad 4, makes the whole effect of casement 2 and window frame 1 better.
Finally, it should be noted that the above-mentioned description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and scope of the present invention.

Claims (7)

1. The utility model provides a double-deck aluminum alloy sound insulation door and window structure, includes window frame (1), sliding connection be in casement (2) in window frame (1) are installed sound-proof glass (3) in casement (2) and set up respectively in first shock pad (4) at both ends, its characterized in that about casement (2): the window frame (1) comprises an abutting groove (11) which is arranged right opposite to the first shock pad (4), and a sound insulation cavity (12) which is arranged at the bottom of the abutting groove (11), a second shock pad (5) is arranged on the inner side of the sound insulation cavity (12) opposite to the first shock pad (4), one side of the second shock pad (5) far away from the first shock pad (4) is bonded with a sound absorption cotton pad (6), one side of the sound-absorbing cotton pad (6) far away from the second shock-absorbing pad (5) is bonded on the inner side wall of the cavity body of the sound-insulating cavity (12), after the first shock pad (4) passes through the abutting groove (11) in a sliding manner to abut against the second shock pad (5), a first sound insulation component (7) and a second sound insulation component (8) are symmetrically arranged on two sides of the window sash (2), the first sound insulation component (7) and the second sound insulation component (8) are fixedly connected in the sound insulation cavity (12).
2. The soundproof door and window structure of double layer aluminum alloy according to claim 1, wherein: an electromagnetic switch (9) is arranged on one side of the window frame (1); follow the length direction of casement (2), first shock pad (4) are kept away from one side of casement (2) is inlayed and is equipped with permanent magnet strip (101), just right on second shock pad (5) permanent magnet strip (101) are provided with electromagnet (102), permanent magnet strip (101) and electromagnet (102) attract each other or repel, electromagnetic switch (9) electric connection electromagnet (102).
3. The soundproof door and window structure of double layer aluminum alloy according to claim 1, wherein: inhale cotton pad of sound (6) and include honeycomb's cotton layer of bubble (61), flame retardant coating (62) and first protection rete (63) that one side of the cotton layer of bubble (61) is for bonding in proper order, the opposite side on the cotton layer of bubble (61) is second protection rete (64), the inside packing of the cotton layer of bubble (61) has the sound insulation material granule, first protection rete (63) bond second shock pad (5).
4. The soundproof door and window structure of double layer aluminum alloy according to claim 1, wherein: first syllable-dividing subassembly (7) are just to first aluminum alloy plate (71) and second aluminum alloy plate (72) of setting, bond first deadening felt (73) between first aluminum alloy plate (71) and second aluminum alloy plate (72), first aluminum alloy plate (71) and second aluminum alloy plate (72) all are provided with first bloop (74), the thickness of first aluminum alloy plate (71) and second aluminum alloy plate (72) all is not greater than 2mm, the aperture of first bloop (74) is not more than 0.1 mm.
5. The soundproof door and window structure of double layer aluminum alloy according to claim 1, wherein: second noise insulation subassembly (8) are just to third aluminum alloy plate (81) and fourth aluminum alloy plate (82) of setting, bond second deadening felt (83) between third aluminum alloy plate (81) and fourth aluminum alloy plate (82), third aluminum alloy plate (81) and fourth aluminum alloy plate (82) all are provided with second bloop (84), the thickness of third aluminum alloy plate (81) and fourth aluminum alloy plate (82) all is not greater than 2mm, the aperture of second bloop (84) is not more than 0.1 mm.
6. The soundproof door and window structure of double layer aluminum alloy according to claim 1, wherein: the first shock pad (4) and the second shock pad (5) are both made of soft silica gel.
7. The soundproof door and window structure of double layer aluminum alloy according to claim 1, wherein: and sound insulation films (10) are adhered to the two sides of the sound insulation glass (3), the window sash (2) and the first shock absorption pad (4).
CN202110226653.1A 2021-03-01 2021-03-01 Double-layer aluminum alloy sound insulation door and window structure Pending CN112854991A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110226653.1A CN112854991A (en) 2021-03-01 2021-03-01 Double-layer aluminum alloy sound insulation door and window structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110226653.1A CN112854991A (en) 2021-03-01 2021-03-01 Double-layer aluminum alloy sound insulation door and window structure

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023024489A1 (en) * 2021-08-25 2023-03-02 国网河南省电力公司电力科学研究院 Soundproof door system for improving quality of acoustic environment at boundary of power facility

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Publication number Priority date Publication date Assignee Title
CN108825090A (en) * 2018-08-31 2018-11-16 筑岚门窗设计(杭州)有限公司 A kind of noise reducing type metal window frame
CN208280856U (en) * 2018-06-12 2018-12-25 芜湖华兴节能门窗股份有限公司 A kind of structure of aluminum doors and windows that soundproof effect is excellent
CN209959124U (en) * 2019-04-15 2020-01-17 安徽百祺瑞建材科技有限公司 Vacuum glass soundproof window
CN211058651U (en) * 2019-09-27 2020-07-21 上海傲石设计咨询有限公司 Effectual door and window gives sound insulation
CN212079105U (en) * 2020-04-22 2020-12-04 杭州康安消防设备有限公司 Light fireproof window

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN208280856U (en) * 2018-06-12 2018-12-25 芜湖华兴节能门窗股份有限公司 A kind of structure of aluminum doors and windows that soundproof effect is excellent
CN108825090A (en) * 2018-08-31 2018-11-16 筑岚门窗设计(杭州)有限公司 A kind of noise reducing type metal window frame
CN209959124U (en) * 2019-04-15 2020-01-17 安徽百祺瑞建材科技有限公司 Vacuum glass soundproof window
CN211058651U (en) * 2019-09-27 2020-07-21 上海傲石设计咨询有限公司 Effectual door and window gives sound insulation
CN212079105U (en) * 2020-04-22 2020-12-04 杭州康安消防设备有限公司 Light fireproof window

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023024489A1 (en) * 2021-08-25 2023-03-02 国网河南省电力公司电力科学研究院 Soundproof door system for improving quality of acoustic environment at boundary of power facility
US12012802B2 (en) 2021-08-25 2024-06-18 State Grid Henan Electric Power Research Institute Soundproof door system

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