CN210525989U - Sound-insulation composite wallboard - Google Patents

Sound-insulation composite wallboard Download PDF

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Publication number
CN210525989U
CN210525989U CN201920848791.1U CN201920848791U CN210525989U CN 210525989 U CN210525989 U CN 210525989U CN 201920848791 U CN201920848791 U CN 201920848791U CN 210525989 U CN210525989 U CN 210525989U
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groove
hole
strip
aluminum alloy
alloy plate
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CN201920848791.1U
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廖合堂
罗伟坚
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Foshan Olar Board Co ltd
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Foshan Olar Board Co ltd
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Abstract

The utility model relates to a sound insulation composite wallboard, which comprises an inner aluminum alloy plate, an outer aluminum alloy plate, a sound insulation plate body, a left short screw, a right short screw, a left long screw, a right long screw, a left covering strip and a right covering strip, wherein the inner aluminum alloy plate is provided with an embedded groove, a left positioning groove and a right positioning groove; the outer aluminum alloy plate is provided with a left embedded strip, a right embedded strip, a left hiding groove and a right hiding groove; the sound insulation plate body inlays to be put in inlaying the inslot, and the left side inlays the dress strip and inlays the dress in left constant head tank, and the right side inlays the dress strip and inlays the dress in right constant head tank, and left short screw arranges to hide on holding the groove and spiro union on interior aluminum alloy plate in the left side, and right short screw arranges to hide on holding the groove and spiro union on outer aluminum alloy plate in the right side, and left long screw arranges to hide on the left side and holds the groove, and right long screw arranges to hide on the right side and hold the groove. The utility model discloses need not to dismantle original wallboard during the application, also need not professional personage, it installs very simple and convenient, and the cost that the user drops into is less, and its installation is also less to the influence of user's life.

Description

Sound-insulation composite wallboard
Technical Field
The utility model relates to a building board field, especially a compound wallboard gives sound insulation.
Background
At present, many walls do not have sound insulation effect. In order to obtain the sound insulation effect of the walls, the wall panels on the existing walls are mostly replaced, and professional persons are required to replace the wall panels. The mode of obtaining the sound insulation effect is time-consuming and labor-consuming, and the required replacement cost is high; and the replacement operation greatly affects the life of people, which brings much inconvenience to people.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve above-mentioned problem and not enough, provide a compound wallboard gives sound insulation, need not to dismantle original wallboard when this compound wallboard that gives sound insulation uses, also need not the professional personage, it installs very simple and convenient, and the cost that the user drops into is less, and its installation is also less to the influence of user's life.
The technical scheme of the utility model is realized like this:
a sound insulation composite wall panel is characterized by comprising an inner aluminum alloy plate, an outer aluminum alloy plate, a sound insulation plate body, a left short screw, a right short screw, a left long screw, a right long screw, a left covering strip and a right covering strip, wherein the inner aluminum alloy plate is vertically arranged, the left side edge and the right side edge of the front surface of the inner aluminum alloy plate are respectively provided with a left convex strip and a right convex strip which are vertically arranged, an embedded groove is formed between the left convex strip and the right convex strip, the front surface of the left convex strip is provided with a left positioning groove which vertically extends, the left positioning groove also extends to the upper end surface and the lower end surface of the left convex strip, the groove bottom of the left positioning groove is respectively provided with a left screw hole and a left perforation which penetrates through the rear surface of the inner aluminum alloy plate, the front surface of the right convex strip is provided with a right positioning groove which vertically extends, the right positioning groove extends to the upper end face and the lower end face of the right raised line, a right screw hole and a right through hole are respectively formed in the bottom of the right positioning groove, and the right through hole penetrates through the rear surface of the inner aluminum alloy plate; the outer aluminum alloy plate is vertically arranged, a left embedding strip and a right embedding strip which are arranged side by side from left to right are arranged on the rear surface of the outer aluminum alloy plate, the left embedding strip and the right embedding strip are vertically arranged, a left storing groove and a right storing groove which are arranged side by side from left to right are formed in the front surface of the outer aluminum alloy plate, the left storing groove is a vertically arranged strip-shaped groove, the left storing groove extends to the upper end surface and the lower end surface of the outer aluminum alloy plate, the left storing groove is positioned right in front of the left embedding strip, a left abdicating hole and a left through hole are respectively formed in the groove bottom of the left storing groove, the left abdicating hole penetrates to the rear surface of the left embedding strip, the left through hole penetrates to the rear surface of the left embedding strip, the right storing groove is a vertically arranged strip-shaped groove, the right storing groove extends to the upper end surface and the lower end surface of the outer aluminum alloy plate, and the right storing groove is positioned right in front of the right embedding strip, the bottom of the right storage groove is respectively provided with a right abdicating hole and a right through hole, the right abdicating hole penetrates through the rear surface of the right embedded strip, and the right through hole penetrates through the rear surface of the right embedded strip; the sound insulation board body is composed of a polystyrene foam filling layer, an iron chip layer and a silicate cement layer which are sequentially bonded together, wherein one side, close to the iron chip layer, of the polystyrene foam filling layer is provided with a wavy surface, the polystyrene foam filling layer is formed by hot-press molding through a mold, the iron chip layer is formed by filling nano iron powder into sound absorption cotton, the thickness of the polystyrene foam filling layer is 15-22 mm, the thickness of the iron chip layer is 8-10 mm, and the thickness of the silicate cement layer is 15-20 mm; the sound insulation plate body is embedded in the embedded groove, the polystyrene foam filling layer on the sound insulation plate body is enabled to be tightly attached to the groove bottom of the embedded groove, the outer aluminum alloy plate is arranged on the front side of the inner aluminum alloy plate, the outer aluminum alloy plate is tightly pressed on the sound insulation plate body, the left embedded strip is embedded in the left positioning groove, the left abdicating hole is enabled to be communicated with the left through hole in a butt joint mode, the left through hole is enabled to be communicated with the left screw hole in a butt joint mode, the right embedded strip is embedded in the right positioning groove, the right abdicating hole is enabled to be communicated with the right through hole in a butt joint mode, the right through hole is enabled to be communicated with the right screw hole in a butt joint mode, the left short screw is arranged in the left accommodating groove, one end of the left short screw penetrates through hole and then is in screwed on the left screw hole, the right short screw is arranged in the right accommodating groove, one end of the right short screw penetrates through hole and then is screwed on, and make the one end of left long screw pass left side in proper order and step down hole, left side and perforate back as to the rear side of interior aluminum alloy plate, right side long screw arranges and hides on the groove on the right side to make the one end of right long screw pass right side in proper order and step down hole, right side and perforate back as to the rear side of interior aluminum alloy plate, a left side covers the strip lid and hides on the groove on the left side, the right side covers the strip lid and puts on hiding on the groove on the right side.
The utility model has the advantages that: because the sound insulation board body comprises the polystyrene foam filling layer which is of a closed-cell structure and has high porosity, sound needs to pass through a long and irregular transmission path when passing through the polystyrene foam filling layer, and the vibration degree of sound waves can be weakened; and the iron fillings layer is filled to inhaling by nanometer iron powder and constitutes in the sound cotton, when sound further propagates to the iron fillings layer, the nanometer iron powder that the sound wave energy of high frequency channel made takes place high frequency vibration, and the high frequency vibration of this nanometer iron powder is inhaled the sound cotton and is absorbed, and because nanometer iron powder is nanometer, even if take place high frequency vibration can not produce the sound that corresponds the rank yet, therefore this iron fillings layer can fall to certain level with the noise of high frequency to just can play fine falling of making an uproar, the effect of giving sound insulation. This contributes to improving the reliability of the mounting positioning of the sound-insulating plate body by pressing the outer aluminum alloy plate against the sound-insulating plate body. Through making the left side inlay the dress strip and inlay the dress in left constant head tank, the right side inlays the dress strip and inlays the dress in right constant head tank, this accuracy and the reliability that helps improving outer aluminum alloy plate and interior aluminum alloy plate equipment to help improving the reliability of compound wallboard that gives sound insulation. Because outer aluminum alloy plate realizes the locking through short screw, the short screw in the right side with interior aluminum alloy plate, just so can make outer aluminum alloy plate realize detachably with interior aluminum alloy plate and be connected, can convenience of customers like this follow the maintenance of trading to the plate body that gives sound insulation, this suitability that helps improving sound insulation composite wall panel. Because the sound-insulation composite wallboard is provided with the left long screw and the right long screw, and one end of the left long screw and one end of the right long screw penetrate through the rear side of the internal aluminum alloy plate, the sound-insulation composite wallboard can be fixed on a wall needing sound insulation through the left long screw and the right long screw; by adopting the design, the original wallboard does not need to be disassembled, the installation is very simple and convenient, the user can finish the operation by himself without hiring professionals, the cost input by the user is reduced, and the influence of the installation process of the sound insulation composite wallboard on the life of the user is small. Through the left side cover strip and the right side cover the setting of strip, can hide to a left side and receive the groove and hide to receive the groove with the right side and play fine shielding effect, this not only can play the effect of shielding the protection to the screw, can also prevent that the aesthetic property of the compound wallboard that gives sound insulation from receiving the influence.
Drawings
Fig. 1 is a schematic structural view of the main viewing direction of the present invention.
Fig. 2 is a schematic structural view of the section a-a in fig. 1 according to the present invention.
Fig. 3 is a schematic structural view of a section B-B in fig. 1 according to the present invention.
Fig. 4 is one of the schematic diagrams of the split structure of the present invention.
Fig. 5 is a second schematic view of the split structure of the present invention.
Fig. 6 is a schematic structural view of the middle sound-insulating plate body of the present invention.
Detailed Description
It should be noted that all the directional indicators (such as left, right, front, and rear … …) in the embodiments of the present invention are only used to explain the relative position between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
As shown in fig. 1 to 3, the sound insulation composite wall panel of the present invention comprises an inner aluminum alloy plate 1, an outer aluminum alloy plate 2, a sound insulation plate body 3, a left short screw 4, a right short screw 5, a left long screw 6, a right long screw 7, a left covering strip 8, and a right covering strip 9, wherein, as shown in fig. 4 and 5, the inner aluminum alloy plate 1 is vertically arranged, a left protruding strip 11 and a right protruding strip 12 are respectively disposed on the left and right sides of the front surface of the inner aluminum alloy plate 1, the left protruding strip 11 and the right protruding strip 12 are both vertically arranged, an insertion groove 10 is formed between the left protruding strip 11 and the right protruding strip 12, a left positioning groove 111 is disposed on the front surface of the left protruding strip 11, the left positioning groove 111 vertically extends, the left positioning groove 111 extends to the upper and lower end surfaces of the left protruding strip 11, a left screw hole 112 and a left through hole 113 are respectively disposed on the bottom of the left positioning groove 111, enabling the left through hole 113 to penetrate through the rear surface of the inner aluminum alloy plate 1, enabling a right positioning groove 121 to be formed in the front surface of the right protruding strip 12, enabling the right positioning groove 121 to vertically extend, enabling the right positioning groove 121 to extend to the upper end face and the lower end face of the right protruding strip 12, enabling a right screw hole 122 and a right through hole 123 to be formed in the bottom of the right positioning groove 121 respectively, and enabling the right through hole 123 to penetrate through the rear surface of the inner aluminum alloy plate 1; as shown in fig. 4 and 5, the outer aluminum alloy plate 2 is vertically disposed, the rear surface of the outer aluminum alloy plate 2 is provided with a left embedding strip 21 and a right embedding strip 22 which are disposed side by side from left to right, and the left embedding strip 21 and the right embedding strip 22 are both vertically disposed, the front surface of the outer aluminum alloy plate 2 is provided with a left storing groove 23 and a right storing groove 24 which are disposed side by side from left to right, the left storing groove 23 is a vertically disposed strip groove, and the left storing groove 23 extends to the upper and lower end surfaces of the outer aluminum alloy plate 2, the left storing groove 23 is positioned right in front of the left embedding strip 21, the bottom of the left storing groove 23 is respectively provided with a left abdicating hole 231 and a left through hole 232, and the left abdicating hole 231 extends to the rear surface of the left embedding strip 21, the left through hole 232 extends to the rear surface of the left embedding strip 21, the right storing groove 24 is a vertically disposed strip groove, the right storage groove 24 extends to the upper end surface and the lower end surface of the outer aluminum alloy plate 2, the right storage groove 24 is positioned right ahead of the right embedded strip 22, the bottom of the right storage groove 24 is respectively provided with a right abdicating hole 241 and a right through hole 242, the right abdicating hole 241 penetrates through the rear surface of the right embedded strip 22, and the right through hole 242 penetrates through the rear surface of the right embedded strip 22; as shown in fig. 6, the sound-insulating plate 3 is composed of a polystyrene foam filling layer 31, an iron filings layer 32 and a silicate cement layer 33 which are sequentially bonded together, wherein one side of the polystyrene foam filling layer 31 close to the iron filings layer 32 is provided with a wavy surface 311, the polystyrene foam filling layer 31 is formed by hot-press molding through a mold, the iron filings layer 32 is formed by filling nanometer iron powder into sound-absorbing cotton, the thickness of the polystyrene foam filling layer 31 is 15 mm-22 mm, the thickness of the iron filings layer 32 is 8 mm-10 mm, and the thickness of the silicate cement layer 33 is 15 mm-20 mm; as shown in fig. 1 to 3, the soundproof plate body 3 is embedded in the embedded groove 10, and the polystyrene foam filling layer 31 on the soundproof plate body 3 is closely attached to the bottom of the embedded groove 10, the outer aluminum alloy plate 2 is disposed on the front side of the inner aluminum alloy plate 1, and the outer aluminum alloy plate 2 is tightly pressed on the soundproof plate body 3, the left embedded bar 21 is embedded in the left positioning groove 111, and the left abdicating hole 231 is in butt communication with the left through hole 113, and the left through hole 232 is in butt communication with the left screw hole 112, the right embedded bar 22 is embedded in the right positioning groove 121, and the right abdicating hole 241 is in butt communication with the right through hole 123, and the right through hole 242 is in butt communication with the right screw hole 122, the left short screw 4 is disposed in the left accommodating groove 23, and one end of the left short screw 4 is screwed to the left screw hole 112 after passing through the left through hole 232, the right short screw 5 is disposed in the right accommodating groove 24, and make the one end of right short screw 5 pass behind the right through-hole 242 spiro union on right screw 122, left side long screw 6 arranges to hide in the left side and accomodate groove 23 to make the one end of left long screw 6 pass left abdicating hole 231 in proper order, left perforation 113 back as for the rear side of interior aluminum alloy plate 1, right side long screw 7 arranges to hide in the right side and accomodate groove 24, and make the one end of right long screw 7 pass right abdicating hole 241, right perforation 123 back in proper order and to the rear side of interior aluminum alloy plate 1, cover on a left side that strip 8 covers and put on left side is hidden and is accomodate groove 23, cover on the right side that strip 9 covers and put on right side is hidden and accomodates groove 24. Because the sound insulation plate body 3 internally comprises the polystyrene foam filling layer 31, the polystyrene foam filling layer 31 has a closed-cell structure and high porosity, sound needs to pass through a long and irregular transmission path when passing through the layer, and the vibration degree of the sound wave can be weakened; and iron fillings layer 32 is filled to inhaling by nanometer iron powder and constitutes in the sound cotton, when sound further propagates to iron fillings layer 32, the nanometer iron powder that the sound wave energy of high-frequency channel made takes place high frequency vibration, and the high frequency vibration of this nanometer iron powder is inhaled the sound cotton and is absorbed, and because nanometer iron powder is nanometer, even if take place high frequency vibration can not produce the sound that corresponds the rank yet, therefore this iron fillings layer 32 can fall to certain level with the noise of high frequency to just can play fine falling of making an uproar, the effect of giving sound insulation. This contributes to improving the reliability of the installation positioning of the soundproof plate body 3 by pressing the outer aluminum alloy plate 2 against the soundproof plate body 3. By making the left insert strip 21 fitted in the left positioning groove 111 and the right insert strip 22 fitted in the right positioning groove 121, this contributes to improving the accuracy and reliability of the assembly of the outer aluminum alloy plate 2 and the inner aluminum alloy plate 1, thereby contributing to improving the reliability of the sound-insulating composite wall panel. Because outer aluminium alloy plate 2 and interior aluminium alloy plate 1 realize the locking through short screw 4 in a left side, short screw 5 in the right side, just so can make outer aluminium alloy plate 2 and interior aluminium alloy plate 1 realize detachably and be connected, can convenience of customers carry out with changing the maintenance to the plate body 3 that gives sound insulation like this, this suitability that helps improving sound insulation composite wall panel. Because the sound-insulation composite wallboard is provided with the left long screw 6 and the right long screw 7, and one end of the left long screw 6 and one end of the right long screw 7 are both arranged at the rear side of the inner aluminum alloy plate 1 in a penetrating manner, the sound-insulation composite wallboard can be fixed on a wall needing sound insulation through the left long screw 6 and the right long screw 7; by adopting the design, the original wallboard does not need to be disassembled, the installation is very simple and convenient, the user can finish the operation by himself without hiring professionals, the cost input by the user is reduced, and the influence of the installation process of the sound insulation composite wallboard on the life of the user is small. Cover through a left side and cover strip 8 and the right side and cover the setting of strip 9, can hide to a left side and receive groove 23 and the right side and hide and receive groove 24 and play fine shielding effect, this not only can play the effect of shielding the protection to the screw, can also prevent that the aesthetic property of compound wallboard that gives sound insulation from receiving the influence.
In the actual manufacturing process, can add left long screw 6, right long screw 7, left short screw 4, right short screw 5 on the compound wallboard that gives sound insulation as required, when addding the screw, just set up the hole of corresponding quantity on interior aluminium alloy plate 1 and outer aluminium alloy plate 2.
The left convex strip 11, the right convex strip 12 and the inner aluminum alloy plate 1 are of an integral structure and are made of aluminum profiles.
The left embedding strip 21, the right embedding strip 22 and the outer aluminum alloy plate 2 are of an integral structure and are made of aluminum profiles.
Soft rubber layers are arranged on the groove bottom and the groove wall of the left positioning groove 111, and soft rubber layers are also arranged on the groove bottom and the groove wall of the right positioning groove 121; this serves the purpose of partitioning the outer aluminum alloy panel 2 from the inner aluminum alloy panel 1, thereby contributing to further enhancement of the sound insulating performance of the sound insulating composite wall panel.
The polystyrene foam filling layer 31 and the scrap iron layer 32 are bonded together through glue; the iron chip layer 32 and the silicate cement layer 33 are bonded together through glue.
The sound-absorbing cotton is glass fiber sound-absorbing cotton or polyester fiber sound-absorbing cotton.
The sound insulation composite wallboard is of a square plate body structure, and the side length of the sound insulation composite wallboard is 500-800 mm. The left convex strip 11 and the right convex strip 12 are the same in width, and the width of the left convex strip and the width of the right convex strip are 30-50 mm.
The groove bottoms of the left positioning groove 111 and the right positioning groove 121 are provided with thickening layers so as to increase the number of the threads of the left screw hole 112 and the number of the threads of the right screw hole 122, which is beneficial to improving the reliability of screw connection, and is beneficial to improving the reliability of the sound insulation composite wallboard.
This compound wallboard gives sound insulation can add very conveniently and do not have the wall of syllable-dividing effect at present, has advantages such as simple to operate, reliability height, and need not to carry out any processing to original wall, and its suitability is very strong.
The sound insulation composite wallboard can be applied to houses such as prefabricated houses or wooden houses.

Claims (1)

1. A sound insulation composite wallboard is characterized in that: comprises an inner aluminum alloy plate (1), an outer aluminum alloy plate (2), a sound insulation plate body (3), a left short screw (4), a right short screw (5), a left long screw (6), a right long screw (7), a left covering strip (8) and a right covering strip (9), wherein the inner aluminum alloy plate (1) is vertically arranged, a left convex strip (11) and a right convex strip (12) are respectively arranged on the left side edge and the right side edge of the front surface of the inner aluminum alloy plate (1), the left convex strip (11) and the right convex strip (12) are vertically arranged, an embedded groove (10) is formed between the left convex strip (11) and the right convex strip (12), a left positioning groove (111) is formed on the front surface of the left convex strip (11), the left positioning groove (111) is vertically extended, the left positioning groove (111) is extended to the upper end surface and the lower end surface of the left convex strip (11), a left screw hole (112) and a left perforation (113) are respectively formed at the groove bottom of the, a left through hole (113) penetrates through the rear surface of the inner aluminum alloy plate (1), a right positioning groove (121) is formed in the front surface of the right raised line (12), the right positioning groove (121) extends vertically, the right positioning groove (121) extends to the upper end face and the lower end face of the right raised line (12), a right screw hole (122) and a right through hole (123) are respectively formed in the bottom of the right positioning groove (121), and the right through hole (123) penetrates through the rear surface of the inner aluminum alloy plate (1); the outer aluminum alloy plate (2) is vertically arranged, a left embedding strip (21) and a right embedding strip (22) which are arranged side by side from left to right are arranged on the rear surface of the outer aluminum alloy plate (2), the left embedding strip (21) and the right embedding strip (22) are vertically arranged, a left storing groove (23) and a right storing groove (24) which are arranged side by side from left to right are arranged on the front surface of the outer aluminum alloy plate (2), the left storing groove (23) is a vertically arranged strip groove, the left storing groove (23) extends to the upper end surface and the lower end surface of the outer aluminum alloy plate (2), the left storing groove (23) is positioned right ahead of the left embedding strip (21), a left yielding hole (231) and a left through hole (232) are respectively arranged at the bottom of the left storing groove (23), and the left yielding hole (231) is made to penetrate to the rear surface of the left embedding strip (21), and the left through hole (232) penetrates to the upper surface of the left embedding strip (21), the right storage containing groove (24) is a vertically arranged strip-shaped groove, the right storage containing groove (24) extends to the upper end face and the lower end face of the outer aluminum alloy plate (2), the right storage containing groove (24) is positioned right ahead of the right embedded strip (22), a right abdicating hole (241) and a right through hole (242) are respectively formed in the bottom of the right storage containing groove (24), the right abdicating hole (241) penetrates through the rear surface of the right embedded strip (22), and the right through hole (242) penetrates through the rear surface of the right embedded strip (22); the sound insulation board body (3) is composed of a polystyrene foam filling layer (31), an iron scrap layer (32) and a silicate cement layer (33) which are sequentially bonded together, wherein one side, close to the iron scrap layer (32), of the polystyrene foam filling layer (31) is provided with a wavy surface (311), the polystyrene foam filling layer (31) is formed by hot press molding through a mold, the iron scrap layer (32) is formed by filling nano iron powder into sound absorption cotton, the thickness of the polystyrene foam filling layer (31) is 15-22 mm, the thickness of the iron scrap layer (32) is 8-10 mm, and the thickness of the silicate cement layer (33) is 15-20 mm; the sound insulation board body (3) is embedded in the embedded groove (10), a polystyrene foam filling layer (31) on the sound insulation board body (3) is enabled to cling to the groove bottom of the embedded groove (10), the outer aluminum alloy board (2) is arranged on the front side of the inner aluminum alloy board (1) and enables the outer aluminum alloy board (2) to be tightly pressed on the sound insulation board body (3), the left embedded strip (21) is embedded in the left positioning groove (111) and enables the left abdicating hole (231) and the left through hole (113) to be communicated in a butt joint mode, the left through hole (232) and the left screw hole (112) are communicated in a butt joint mode, the right embedded strip (22) is embedded in the right positioning groove (121) and enables the right abdicating hole (241) and the right through hole (123) to be communicated in a butt joint mode, the right through hole (242) and the right screw hole (122) are communicated in a butt joint mode, the left short screw (4) is arranged in the left accommodating groove (23) and enables one end of the left short screw (4) to penetrate through hole (232) and then be in a screw hole (112), right side short screw (5) are arranged and are hidden in holding groove (24) in the right side to make the one end of right side short screw (5) pass right through-hole (242) back spiro union on right screw (122), left side long screw (6) are arranged and are hidden in a left side and hold groove (23), and make the one end of left side long screw (6) pass left side hole (231) of stepping down in proper order, punch hole (113) in a left side and back to the rear side of interior aluminum alloy plate (1), right side long screw (7) are arranged and are hidden in right side and hold groove (24), and make the one end of right side long screw (7) pass right side hole (241), punch hole (123) in the right side in proper order to the rear side of interior aluminum alloy plate (1) in proper order, a left side is hidden and is covered on left side is hidden and is held groove (23), the right side is covered and is put on right side is hidden and is held groove (24).
CN201920848791.1U 2019-06-05 2019-06-05 Sound-insulation composite wallboard Active CN210525989U (en)

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Application Number Priority Date Filing Date Title
CN201920848791.1U CN210525989U (en) 2019-06-05 2019-06-05 Sound-insulation composite wallboard

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Application Number Priority Date Filing Date Title
CN201920848791.1U CN210525989U (en) 2019-06-05 2019-06-05 Sound-insulation composite wallboard

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CN210525989U true CN210525989U (en) 2020-05-15

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CN201920848791.1U Active CN210525989U (en) 2019-06-05 2019-06-05 Sound-insulation composite wallboard

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113123534A (en) * 2021-04-19 2021-07-16 辽宁际晨建筑安装工程有限公司 Fireproof energy-saving light roof board or wallboard or floor slab

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113123534A (en) * 2021-04-19 2021-07-16 辽宁际晨建筑安装工程有限公司 Fireproof energy-saving light roof board or wallboard or floor slab

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