CN209670109U - A kind of ventilative noise reduction calcium silicate board - Google Patents
A kind of ventilative noise reduction calcium silicate board Download PDFInfo
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- CN209670109U CN209670109U CN201920088413.8U CN201920088413U CN209670109U CN 209670109 U CN209670109 U CN 209670109U CN 201920088413 U CN201920088413 U CN 201920088413U CN 209670109 U CN209670109 U CN 209670109U
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- plate body
- groove
- cavity
- silencing
- noise reduction
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Abstract
The utility model discloses a kind of ventilative noise reduction calcium silicate boards, including the first plate body, the first silencing groove is provided in first plate body, first plate body side is connect with the second plate body, and the two sides of second plate body are also provided with groove, is provided with the second silencing groove in the middle part of second plate body, cavity is provided with below second silencing groove, silencing cotton is provided in cavity, second plate body side is connect with third plate body, is equipped with third silencing groove inside the third plate body.A kind of ventilative noise reduction calcium silicate board described in the utility model, composite construction equipped with the first plate body, the second plate body and third plate body, and the combination of the first silencing groove, the second silencing groove and third silencing groove by these three noise-reducing structures is respectively arranged in the first plate body, the second plate body and third plate body to achieve the effect that effectively eliminate environmental noise, noise-reducing structure is the cavity of perforation, can increase air circulation.
Description
Technical field
The utility model relates to a kind of building board field, in particular to a kind of ventilative noise reduction calcium silicate board.
Background technique
With becoming better and better for people's quality of the life, more and more places require one quiet place of setting and allow people
Rest or hold can activity, and there are many modern vehicle, construction, advertisement noise, at this time just need to install in the wall of building
Acoustical panel, acoustical panel sound absorption is the phenomenon that sound wave strikes energy loss after material surface, and sound absorption can reduce indoor sound pressure level,
The index of description sound absorption is acoustic absorptivity, represent the sound that is absorbed by material can with incident sound can ratio, if certain material will
Incident sound can all absorb, then just fully absorb sound, however in fact, sound can be fully absorbed without material, but
It is that sound can be reduced in the range of people can not discover, and acoustical panel existing on the market is all sealing or thoroughly now
Gas effect is poor, and as needed to install additional air regenerating device if some closing places use, and some places cannot install air
The circulatory system causes limitation to the use of acoustical panel;For this purpose, it is proposed that a kind of ventilative noise reduction calcium silicate board.
Utility model content
The main purpose of the utility model is to provide a kind of ventilative noise reduction calcium silicate boards, can effectively solve background technique
The problems in.
To achieve the above object, the technical solution that the utility model is taken are as follows:
A kind of ventilative noise reduction calcium silicate board, including the first plate body, are provided with the first silencing groove in first plate body, and described
One plate body side is connect with the second plate body, and the two sides of second plate body are also provided with groove, is provided in the middle part of second plate body
Second silencing groove is provided with cavity below second silencing groove, is provided with silencing cotton in cavity, second plate body side and the
Three plate bodys connect, and are equipped with third silencing groove inside the third plate body, first plate body, the second plate body and third plate body are set
A conical aperture is both provided between two silene systems set, the conical aperture has constant slope to pass through three pieces of plate bodys,
The side of first plate body is provided with groove, and first plate body side is connect with connecting plate, and the side of the connecting plate is fixed
Plug is installed, the plug is inserted into the groove that the first plate body is provided with, and the side of the connecting plate is equipped with link slot, described
The first plate body other side is also connected with connecting plate, and the side of the connecting plate is equipped with fixed socket.
Preferably, the first noise reduction groove shape is cylindrical cavity, and is provided with cylindrical cavity between two structures.
Preferably, the second noise reduction groove shape is oblong cavity, is provided with rectangular groove body between two oblong cavities,
Silencing cotton is installed inside groove body.
Preferably, the third noise reduction groove shape is square cavity, and two of square cavity open with what outside was divulged information
Mouth is at the both ends of square cavity.
Preferably, the conical aperture from top to bottom reduced diameter.
Preferably, the link slot and fixed socket are bolted to connection.
Compared with prior art, the utility model has the following beneficial effects:
In the utility model, be have the composite construction of the first plate body, the second plate body and third plate body, and the first plate body,
It is respectively arranged with the first silencing groove, the second silencing groove and third silencing groove in second plate body and third plate body and passes through these three noise reductions
To achieve the effect that effectively eliminate environmental noise, noise-reducing structure is the cavity of perforation for the combination of structure, can increase air
Circulation, and conical aperture is additionally provided between noise-reducing structure, air permeability effect can be further enhanced.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of ventilative noise reduction calcium silicate board of the utility model;
Fig. 2 is a kind of overall structure diagram of ventilative noise reduction calcium silicate board of the utility model;
Fig. 3 is a kind of side view of ventilative noise reduction calcium silicate board of the utility model.
In figure: 1, link slot;2, connecting plate;3, the first plate body;4, the first silencing groove;5, silencing cotton;6, the second silencing groove;
7, conical aperture;8, plug;9, third silencing groove;10, third plate body;11, fixed socket;12, the second plate body.
Specific embodiment
To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below
In conjunction with specific embodiment, the utility model is further described.
In the description of the present invention, it should be noted that term " on ", "lower", "inner", "outside" " front end ", " after
The orientation or positional relationship of the instructions such as end ", " both ends ", " one end ", " other end " is that orientation based on the figure or position are closed
System, is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning are necessary
It with specific orientation, is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition,
Term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " being provided with ", " connection " etc., shall be understood in a broad sense, such as " connection ", may be a fixed connection, be also possible to detachably connect
It connects, or is integrally connected;It can be mechanical connection, be also possible to be electrically connected;It can be directly connected, intermediate matchmaker can also be passed through
Jie is indirectly connected, and can be the connection inside two elements.It for the ordinary skill in the art, can be with concrete condition
Understand the concrete meaning of above-mentioned term in the present invention.
As shown in Figure 1-3, a kind of ventilative noise reduction calcium silicate board, including the first plate body 3, first is provided in the first plate body 3 and is disappeared
Sound slot 4,3 side of the first plate body are connect with the second plate body 12, and the two sides of the second plate body 12 are also provided with groove, in the second plate body 12
Portion is provided with the second silencing groove 6, and cavity is provided with below the second silencing groove 6, and silencing cotton 5,12 side of the second plate body are provided in cavity
It is connect with third plate body 10, third silencing groove 9, the first plate body 3, the second plate body 12 and third plate is installed inside third plate body 10
A conical aperture 7 is both provided between two silene systems that body 10 is arranged, conical aperture 7 has constant slope to pass through three blocks of plates
Body, the side of the first plate body 3 are provided with groove, and 3 side of the first plate body is connect with connecting plate 2, and the side of connecting plate 2 is fixedly installed with
Plug 8, plug 8 are inserted into the groove that the first plate body 3 is provided with, and the side of connecting plate 2 is equipped with link slot 1, and the first plate body 3 is another
Side is also connected with connecting plate 2, and the side of connecting plate 2 is equipped with fixed socket 11;
First silencing groove, 4 shape is cylindrical cavity, and is provided with cylindrical cavity between two structures, and cylindrical cavity can
So that reflection weakens a part of sound;Second silencing groove, 6 shape is oblong cavity, is provided between two oblong cavities rectangular
Groove body is equipped with silencing cotton 5 inside groove body, and by the refraction of elliptical cavity, silencing cotton 5 absorbs a large amount of sound waves;Third silencing groove 9
Shape is square cavity, and two openings divulged information with outside of square cavity are at the both ends of square cavity;Conical aperture 7 by up to
Lower reduced diameter, the structure of this cylinder, air can pass freely through, and conical aperture 7 is inclined opening, and diameter
Reduce, effective can cross noise filtering;Link slot 1 and fixed socket 11 are bolted to connection, and facilitate replacing for operator
It changes and installs, link slot 1 and fixed socket 11 are mutual joinery and its construction, the calcium carbonate plate of multiple ventilative noise reductions can be combined into
The same structure.
It should be noted that the utility model is a kind of ventilative noise reduction calcium silicate board, the side of the first plate body 3 and the second plate
Body 12 connects, and the side of the second plate body 12 is connect with third plate body 10, this acoustical panel is the principle that absorbed sound according to helmholtz resonance
Come what is manufactured, it is that a closed cavity passes through the structure being associated with exterior space that is open.Various perforated plates, slit plate
Setting air layer forms sound absorption structure behind, according to their sound absorbing mechanism, category cavity resonance sound absorption structure.This class formation takes
Material is convenient, such as cement asbestos board, plasterboard, hardboard, glued board and the metal plate of available perforation are made into.Use this
A little plates form certain structure, can be easily according to requiring the sound absorption characteristics wanted come design, and reach in construction
To design requirement, because material itself has enough intensity, therefore this material uses wide under construction, and this product is one kind
Calcium silicates manufactured plate for material, when there is sound to encounter the first plate body 3, sound is passed into the first silencing groove 4, and first disappears
4 shape of sound slot is cylindrical cavity, and cylindrical cavity is provided between two structures, and sound has one in cylindrical cavity reflection
Point weaken, later sound be passed to the second plate body 12 the second silencing groove 6 in, 6 shape of the second silencing groove be oblong cavity, two
It is provided with rectangular groove body between oblong cavity, silencing cotton 5 is installed inside groove body, by the refraction of elliptical cavity, silencing cotton 5 is inhaled
A large amount of sound waves are received, remaining sound is passed in the third silencing groove 9 in third plate body 10, and 9 shape of third silencing groove is rectangular sky
Chamber, two openings divulged information with outside of square cavity are in the both ends of square cavity, sound wave continuous decrement in cavity, to reach
To the effect of noise reduction, entire sound-absorptive object is the circulation that communicating structure is conducive to air, and the conical aperture 7 being aside arranged, which also has, to be added
The logical effect of keen draft, the side of three pieces of plate bodys are all connect with connecting plate 2 by plug 8, the side installation of one side connecting plate 2
There is link slot 1,2 side of connecting plate of another side is equipped with fixed socket 11.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (6)
1. a kind of ventilative noise reduction calcium silicate board, including the first plate body (3), it is characterised in that: be provided with the in first plate body (3)
One silencing groove (4), the first plate body (3) side are connect with the second plate body (12), and the two sides of second plate body (12) are also opened
It is fluted, it is provided with the second silencing groove (6) in the middle part of second plate body (12), is provided with cavity below second silencing groove (6),
It is provided in cavity silencing cotton (5), the second plate body (12) side is connect with third plate body (10), the third plate body (10)
Inside is equipped with third silencing groove (9), first plate body (3), the second plate body (12) and third plate body (10) setting two
A conical aperture (7) is both provided between silene system, the conical aperture (7) has constant slope to pass through three pieces of plate bodys, institute
The side for stating the first plate body (3) is provided with groove, and the first plate body (3) side is connect with connecting plate (2), the connecting plate (2)
Side be fixedly installed with plug (8), in the groove that the plug (8) insertion the first plate body (3) is provided with, the connecting plate (2)
Side be equipped with link slot (1), the first plate body (3) other side is also connected with connecting plate (2), the connecting plate (2)
Side is equipped with fixed socket (11).
2. a kind of ventilative noise reduction calcium silicate board according to claim 1, it is characterised in that: the first silencing groove (4) shape
Shape is cylindrical cavity, and is provided with cylindrical cavity between two structures.
3. a kind of ventilative noise reduction calcium silicate board according to claim 1, it is characterised in that: the second silencing groove (6) shape
Shape is oblong cavity, and rectangular groove body is provided between two oblong cavities, and silencing cotton (5) are equipped with inside groove body.
4. a kind of ventilative noise reduction calcium silicate board according to claim 1, it is characterised in that: third silencing groove (9) shape
Shape is square cavity, and two openings divulged information with outside of square cavity are at the both ends of square cavity.
5. a kind of ventilative noise reduction calcium silicate board according to claim 1, it is characterised in that: the conical aperture (7) is by upper
To lower reduced diameter.
6. a kind of ventilative noise reduction calcium silicate board according to claim 1, it is characterised in that: the link slot (1) and fixation
Socket (11) is bolted to connection.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201920088413.8U CN209670109U (en) | 2019-01-18 | 2019-01-18 | A kind of ventilative noise reduction calcium silicate board |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201920088413.8U CN209670109U (en) | 2019-01-18 | 2019-01-18 | A kind of ventilative noise reduction calcium silicate board |
Publications (1)
Publication Number | Publication Date |
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CN209670109U true CN209670109U (en) | 2019-11-22 |
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ID=68566135
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201920088413.8U Active CN209670109U (en) | 2019-01-18 | 2019-01-18 | A kind of ventilative noise reduction calcium silicate board |
Country Status (1)
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CN (1) | CN209670109U (en) |
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2019
- 2019-01-18 CN CN201920088413.8U patent/CN209670109U/en active Active
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