CN115354766A - Assembled combination acoustic celotex board - Google Patents
Assembled combination acoustic celotex board Download PDFInfo
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- CN115354766A CN115354766A CN202211108374.6A CN202211108374A CN115354766A CN 115354766 A CN115354766 A CN 115354766A CN 202211108374 A CN202211108374 A CN 202211108374A CN 115354766 A CN115354766 A CN 115354766A
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- acoustic celotex
- celotex board
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- seted
- block
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- 238000009413 insulation Methods 0.000 claims abstract description 28
- 229920000742 Cotton Polymers 0.000 claims description 10
- 239000004744 fabric Substances 0.000 claims description 8
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 238000009826 distribution Methods 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims 7
- 230000000694 effects Effects 0.000 description 13
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 238000011084 recovery Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/61—Connections for building structures in general of slab-shaped building elements with each other
- E04B1/6108—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together
- E04B1/612—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by means between frontal surfaces
- E04B1/6125—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by means between frontal surfaces with protrusions on the one frontal surface co-operating with recesses in the other frontal surface
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
- E04B1/84—Sound-absorbing elements
- E04B1/86—Sound-absorbing elements slab-shaped
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
- E04B2001/8263—Mounting of acoustical elements on supporting structure, e.g. framework or wall surface
- E04B2001/8281—Flat elements mounted parallel to a supporting surface with an acoustically active air gap between the elements and the mounting surface
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
- E04B1/84—Sound-absorbing elements
- E04B2001/8414—Sound-absorbing elements with non-planar face, e.g. curved, egg-crate shaped
- E04B2001/8419—Acoustical cones or the like, e.g. for anechoic chambers
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Acoustics & Sound (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Building Environments (AREA)
Abstract
The invention belongs to the technical field of sound insulation board assembly, and discloses an assembled combined sound insulation board, which comprises a wallboard, wherein a first sound insulation board and a second sound insulation board are movably arranged on the front surface of the wallboard, a first positioning groove is formed in the side surface of the first sound insulation board, and a first fixing block is fixedly arranged on the side surface of the second sound insulation board.
Description
Technical Field
The invention belongs to the technical field of sound insulation board assembly, and particularly relates to an assembled combined sound insulation board.
Background
Along with the development of the times, people need quiet environment in specific place when, can use the acoustic celotex board to reach the effect usually, and the acoustic celotex wall among the prior art adopts assembled combination acoustic celotex board to assemble usually, general mode of assembling is sticky form usually, and this kind of mode is only applicable to the acoustic celotex board that the material is lighter, and sticky form is not firm, to the heavy thick acoustic celotex board of quality, adopt the bolt to fix adjacent acoustic celotex board usually, the operation is wasted time and energy, and the bolt is when fixing the acoustic celotex board, cause the damage to the acoustic celotex board easily, and the atress is uneven, make adjacent acoustic celotex board take place the dislocation, thereby leave the clearance, the sound insulation effect has been reduced and the influence is pleasing to the eye.
Disclosure of Invention
The present invention is directed to a fabricated combined noise insulation panel, which solves the above problems of the prior art.
In order to achieve the above purpose, the invention provides the following technical scheme: the utility model provides an assembled combination acoustic celotex board, includes the wallboard, the positive movable mounting of wallboard has first acoustic celotex board and second acoustic celotex board, first constant head tank has been seted up to the side of first acoustic celotex board, the side fixed mounting of second acoustic celotex board has first fixed block, the second constant head tank has all been seted up to the upper and lower both sides of first fixed block, first recess has been seted up to the inside of first acoustic celotex board, the quantity of first recess is ten, ten first recess evenly divides the position to be two sets of symmetric distribution, the inside movable mounting of first recess has the motion plate, the positive fixed mounting of motion plate has the lug, the other end of lug extends to the inside of second constant head tank, the inside elastic connection of first recess has the first spring that is located the motion plate back.
Preferably, the second recess has been seted up to the inside of wallboard, the inside fixed mounting of second recess has the second fixed block, the third recess has been seted up to the inside of first acoustic celotex board, the inside movable mounting of third recess has movable block and motion pole, the inside fixed mounting of third recess has the third fixed block, first rectangular channel has been seted up in the front of second fixed block, first rectangular channel has been seted up at the back of second fixed block, the one end of motion pole runs through the movable block and extends to the inside of second rectangular channel, the other end of motion pole runs through third fixed block and first acoustic celotex board, the surface elastic connection of motion pole has the second spring that is located the movable block back.
Preferably, the inside equal fixed mounting of first acoustic celotex board and second acoustic celotex board has the sound cotton of inhaling, the positive equal fixed mounting of first acoustic celotex board and second acoustic celotex board has the casing, inhale the sound cotton and communicate through leading to the groove with the casing, the shape of casing is triangular pyramid, the surface of casing is triangle-shaped.
Preferably, the outer surface of the shell is provided with uniformly distributed through holes, and the through holes are symmetrical about the central longitudinal axis of the first sound insulation plate.
Preferably, the outer surface of the shell is fixedly provided with fixing rods which are uniformly distributed, and the fixing rods are positioned between two adjacent through holes.
Preferably, the outer surface of the shell is fixedly provided with a cloth, and the cloth is made of sound-proof felt.
Preferably, a fixing plate is fixedly mounted inside the housing, and the fixing plate has a triangular shape.
Preferably, the first rectangular groove and the second rectangular groove are distributed in a crossed manner, and the depth of the first rectangular groove is greater than that of the second rectangular groove
The invention has the following beneficial effects:
1. the second sound insulation plate is pushed by arranging the second sound insulation plate, the first fixing block, the lug and the first spring, so that the first fixing block is aligned with and inserted into the first positioning groove, the lug is extruded by the first fixing block at the moment, the lug and the first fixing block move to the inside of the first groove, the first spring is extruded to be in an elastic compression state at the moment, when the first fixing block moves to be completely overlapped with the first positioning groove, the lug is aligned with the second positioning groove at the moment, and under the elastic recovery action of the first spring, the thrust is applied to the moving plate and the lug through the first spring, so that the lug enters the inside of the second positioning groove, the first fixing block is limited through the matching between the lug of the first spring and the second positioning groove, the first sound insulation plate and the second sound insulation plate are tightly attached together.
2. According to the invention, the second fixing block, the rectangular block, the first rectangular groove and the second rectangular groove are arranged, the moving rod is pushed, the moving rod drives the rectangular block to move and penetrate through the second fixing block, the second spring is extruded by the movable block to be in an elastic compression state, then the moving rod is rotated by ninety degrees by a worker, and the moving rod is loosened, at the moment, due to the elastic recovery effect of the second spring, the moving rod and the rectangular block are driven to move in opposite directions, so that the rectangular block enters the second rectangular groove, and the first sound insulation plate is integrally fixed through the matching between the three groups of second fixing blocks and the rectangular block.
3. According to the invention, the shell is arranged, the difference of the depth and the length of the plate on the surface of the shell is utilized, and the fluctuation of the surface of the shell is added, so that the diffuse reflection effect is achieved, the sound effect is achieved through the diffuse reflection, the echo is weakened, the sound entering the shell is repeatedly refracted in the triangular pyramid, the sound energy opposite in movement direction is mutually offset, a certain sound attenuation effect is achieved, and finally the sound is absorbed through the sound absorption cotton.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic cross-sectional side view of the present invention;
FIG. 3 is an enlarged view of a portion A of FIG. 2;
FIG. 4 is a schematic structural view of a panel of the present invention;
FIG. 5 is a schematic view of the construction of a first acoustical panel of the present invention;
FIG. 6 is a schematic view of the internal structure of a first baffle of the present invention;
FIG. 7 is an enlarged view of a portion of FIG. 6 at B according to the present invention;
FIG. 8 is a schematic view of a first positioning groove of the present invention;
FIG. 9 is a schematic structural diagram of a fixing plate according to the present invention;
FIG. 10 is a schematic view of a first positioning groove of the present invention;
FIG. 11 is a schematic view of a second spring according to the present invention;
FIG. 12 is a schematic view of the structure of a second fixing block, a second spring and a moving rod according to the present invention;
FIG. 13 is a schematic front view of a second fixing block according to the present invention;
fig. 14 is a rear view of the second fixing block according to the present invention.
In the figure: 1. a wallboard; 2. a first baffle plate; 3. a second baffle; 4. a first positioning groove; 5. a first fixed block; 6. a second positioning groove; 7. a first groove; 8. a motion plate; 9. a bump; 10. a first spring; 11. a second groove; 12. a second fixed block; 13. a third groove; 14. a movable block; 15. a third fixed block; 16. a first rectangular groove; 17. a second rectangular groove; 18. a motion bar; 19. a rectangular block; 20. a second spring; 21. a fixing plate; 22. sound-absorbing cotton; 23. a through groove; 24. cloth blocks; 25. a housing; 26. a through hole; 27. and (5) fixing the rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
As shown in fig. 1 to 14, an embodiment of the present invention provides an assembled combined sound insulation board, including a wall board 1, a first sound insulation board 2 and a second sound insulation board 3 are movably installed on a front surface of the wall board 1, a first positioning groove 4 is formed on a side surface of the first sound insulation board 2, a first fixing block 5 is fixedly installed on a side surface of the second sound insulation board 3, second positioning grooves 6 are formed on upper and lower sides of the first fixing block 5, first grooves 7 are formed in the first sound insulation board 2, the number of the first grooves 7 is ten, the ten first grooves 7 are uniformly divided into two groups and symmetrically distributed, a moving board 8 is movably installed in the first groove 7, a projection 9 is fixedly installed on a front surface of the moving board 8, the other end of the projection 9 extends to the inside of the second positioning groove 6, and a first spring 10 located on a back surface of the moving board 8 is elastically connected in the first groove 7;
wherein, after the staff fixes first acoustic celotex board 2 on wallboard 1, align second acoustic celotex board 3 with first acoustic celotex board 2, promote second acoustic celotex board 3, make first fixed block 5 align and insert with first constant head tank 4, lug 9 will receive the extrusion of first fixed block 5 this moment, make lug 9 and first fixed block 5 move to the inside of first recess 7, first spring 10 receives the extrusion and is in the elasticity compression state this moment, when first fixed block 5 moves to completely coincide with first constant head tank 4, lug 9 will align with second constant head tank 6 this moment, under the elasticity recovery effect of first spring 10 this moment, exert thrust through first spring 10 to moving plate 8 and lug 9, make lug 9 enter into the inside of second constant head tank 6, thereby through the cooperation between 10 lugs 9 of first spring and the second constant head tank 6, carry on spacingly to first fixed block 5, make first acoustic celotex board 2 and second acoustic celotex board 3 closely laminate together, compare with traditional installation operation, can realize quick installation and dismantlement, be applicable to the improvement of different quality or the damaged device of bolt and the inconvenience of avoiding using.
As shown in fig. 2, 3, 14, 13 and 12, a second groove 11 is formed in the wall panel 1, a second fixing block 12 is fixedly mounted in the second groove 11, a third groove 13 is formed in the first sound insulation plate 2, a movable block 14 and a moving rod 18 are movably mounted in the third groove 13, a third fixing block 15 is fixedly mounted in the third groove 13, a first rectangular groove 16 is formed in the front surface of the second fixing block 12, a first rectangular groove 16 is formed in the back surface of the second fixing block 12, one end of the moving rod 18 penetrates through the movable block 14 and extends into the second rectangular groove 17, the other end of the moving rod 18 penetrates through the third fixing block 15 and the first sound insulation plate 2, and a second spring 20 located on the back surface of the movable block 14 is elastically connected to the outer surface of the moving rod 18;
wherein, the staff aligns first acoustic celotex board 2 with wallboard 1, make three rectangular block 19 align with first rectangular channel 16, promote first acoustic celotex board 2, make first acoustic celotex board 2 closely paste the back with wallboard 1, promote motion pole 18 backward, make motion pole 18 drive rectangular block 19 and move and pass second fixed block 12, second spring 20 receives the extrusion of movable block 14 and is in the elasticity compression state, then the staff rotates motion pole 18 ninety degrees, loosen motion pole 18, at this moment because the elasticity recovery effect of second spring 20, will drive motion pole 18 and rectangular block 19 reverse motion, make rectangular block 19 enter into the inside of second rectangular channel 17, through the cooperation between three groups of second fixed block 12 and rectangular block 19, thereby fix first acoustic celotex board 2 wholly, compare with traditional device, the device can realize convenient installation and the dismantlement operation between first acoustic celotex board 2 and wallboard 1, improve staff's operating efficiency.
As shown in fig. 9 and 10, sound-absorbing cotton 22 is fixedly mounted inside each of the first sound-insulating panel 2 and the second sound-insulating panel 3, a housing 25 is fixedly mounted on each of the front surfaces of the first sound-insulating panel 2 and the second sound-insulating panel 3, the sound-absorbing cotton 22 is communicated with the housing 25 through a through groove 23, the housing 25 is triangular-pyramidal, and the outer surface of the housing 25 is triangular;
wherein, because casing 25's design, the plate depth and the length through utilizing casing 25 surface are different, and it changes to add casing 25 surface fluctuation, thereby play the diffuse reflection effect, through the effect of diffuse reflection to sound, thereby weaken the echo, the sound that enters into casing 25 inside refracts at the triangular pyramid is inside repeatedly, and the reverse relative sound energy of motion will offset each other, thereby plays certain amortization, finally absorbs sound through inhaling sound cotton 22.
As shown in fig. 5, the outer surface of the casing 25 is provided with through holes 26 uniformly distributed, and the through holes 26 are symmetrical with respect to the central longitudinal axis of the first baffle plate 2;
wherein, because the design of through-hole 26, when external sound transmitted to casing 25 surface, sound entered the inside of casing 25 through-hole 26 this moment, after carrying out refraction offset repeatedly in the inside of casing 25, entered the inside of first acoustic celotex board 2 through logical groove 23, finally absorbed the operation through inhaling sound cotton 22.
As shown in fig. 5, the outer surface of the housing 25 is fixedly provided with fixing rods 27 which are uniformly distributed, and the fixing rods 27 are positioned between two adjacent through holes 26;
due to the design of the fixing rod 27, the outer surface of the shell 25 has a large number of protruding lines, and the fixing rod 27 is used for effectively dispersing sound.
As shown in fig. 5, a cloth 24 is fixedly mounted on the outer surface of the housing 25, and the cloth 24 is made of sound-proof felt;
due to the design of the cloth 24, the surface of the shell 25 has two different sound insulation modes, so that the overall texture of the shell 25 is improved and the attractiveness is improved while sound insulation is realized.
As shown in fig. 9, a fixing plate 21 is fixedly installed inside the housing 25, and the fixing plate 21 has a triangular shape;
due to the design of the fixing plate 21, the casing 25 can be well supported, the overall strength of the casing 25 is improved, and the casing 25 is prevented from being deformed by external force to affect the noise reduction effect of the casing 25.
As shown in fig. 14, the first rectangular grooves 16 are distributed across the second rectangular grooves 17, and the depth of the first rectangular grooves 16 is greater than that of the second rectangular grooves 17;
wherein, through the cooperation between first rectangular groove 16 and second rectangular groove 17 and rectangular block 19 to realize the fixed and dismantlement operation to first acoustic celotex board 2, be convenient for staff's use
The working principle and the using process are as follows:
the moving rod 18 is pushed, so that the moving rod 18 drives the rectangular block 19 to move and penetrate through the second fixing block 12, the second spring 20 is in an elastic compression state under the extrusion of the movable block 14, then the operator rotates the moving rod 18 by ninety degrees to loosen the moving rod 18, at the moment, due to the elastic force recovery effect of the second spring 20, the moving rod 18 and the rectangular block 19 are driven to move in opposite directions, so that the rectangular block 19 enters the inside of the second rectangular groove 17, and the first sound insulation board 2 is fixed integrally through the matching of the three groups of second fixing blocks 12 and the rectangular block 19;
promote second acoustic celotex board 3, make first fixed block 5 align and insert with first constant head tank 4, lug 9 will receive the squeezing action of first fixed block 5 this moment, make lug 9 and first fixed block 5 move to the inside of first recess 7, first spring 10 receives the extrusion and is in elasticity compression state this moment, when first fixed block 5 moves to and completely coincides with first constant head tank 4, lug 9 will align with second constant head tank 6 this moment, under the elasticity recovery effect of first spring 10 this moment, exert thrust to motion plate 8 and lug 9 through first spring 10, make lug 9 get into to the inside of second constant head tank 6, thereby cooperation between 10 lugs 9 of first spring and second constant head tank 6, it is spacing to first fixed block 5.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. An assembled combination acoustic celotex board, includes wallboard (1), its characterized in that: the utility model discloses a wallboard, including wallboard (1), first acoustic celotex board (2) and second acoustic celotex board (3) are installed to the front movable mounting of wallboard (1), first constant head tank (4) have been seted up to the side of first acoustic celotex board (2), the side fixed mounting of second acoustic celotex board (3) has first fixed block (5), second constant head tank (6) have all been seted up to the upper and lower both sides of first fixed block (5), first recess (7) have been seted up to the inside of first acoustic celotex board (2), the quantity of first recess (7) is ten, ten first recess (7) evenly divide the position to be two sets of symmetric distributions, the inside movable mounting of first recess (7) has motion plate (8), the front fixed mounting of motion plate (8) has lug (9), the other end of lug (9) extends to the inside of second constant head tank (6), the inside elastic connection of first recess (7) has first spring (10) that are located motion plate (8) the back.
2. The assembled composite acoustical panel of claim 1, wherein: second recess (11) have been seted up to the inside of wallboard (1), the inside fixed mounting of second recess (11) has second fixed block (12), third recess (13) have been seted up to the inside of first acoustic celotex board (2), the inside movable mounting of third recess (13) has movable block (14) and motion pole (18), the inside fixed mounting of third recess (13) has third fixed block (15), first rectangular channel (16) have been seted up in the front of second fixed block (12), first rectangular channel (16) have been seted up at the back of second fixed block (12), the one end of motion pole (18) is run through movable block (14) and is extended to the inside of second rectangular channel (17), the other end of motion pole (18) runs through third fixed block (15) and first acoustic celotex board (2), the surface elastic connection of motion pole (18) has second spring (20) that are located the movable block (14) the back.
3. The assembled composite acoustical panel of claim 1, wherein: the equal fixed mounting in inside of first acoustic celotex board (2) and second acoustic celotex board (3) has sound absorption cotton (22), the equal fixed mounting in front of first acoustic celotex board (2) and second acoustic celotex board (3) has casing (25), inhale sound cotton (22) and casing (25) through leading to groove (23) intercommunication, the shape of casing (25) is triangular pyramid, the surface of casing (25) is triangle-shaped.
4. The assembled composite acoustical panel of claim 3, wherein: the outer surface of the shell (25) is provided with through holes (26) which are uniformly distributed, and the through holes (26) are symmetrical about the central longitudinal axis of the first sound insulation plate (2).
5. The assembled composite acoustical panel of claim 3, wherein: the outer surface of the shell (25) is fixedly provided with fixing rods (27) which are uniformly distributed, and the fixing rods (27) are positioned between two adjacent through holes (26).
6. The assembled composite acoustical panel of claim 3, wherein: the outer surface of the shell (25) is fixedly provided with a cloth piece (24), and the cloth piece (24) is made of a sound-proof felt.
7. The assembled composite acoustical panel of claim 3, wherein: the inside fixed mounting of casing (25) has fixed plate (21), fixed plate (21) take the form of triangle-shaped.
8. The assembled composite acoustical panel of claim 2, wherein: the first rectangular groove (16) and the second rectangular groove (17) are distributed in a crossed mode, and the depth of the first rectangular groove (16) is larger than that of the second rectangular groove (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211108374.6A CN115354766A (en) | 2022-09-13 | 2022-09-13 | Assembled combination acoustic celotex board |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211108374.6A CN115354766A (en) | 2022-09-13 | 2022-09-13 | Assembled combination acoustic celotex board |
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|---|---|
| CN115354766A true CN115354766A (en) | 2022-11-18 |
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|---|---|---|---|
| CN202211108374.6A Pending CN115354766A (en) | 2022-09-13 | 2022-09-13 | Assembled combination acoustic celotex board |
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