CN205935272U - Sound arrester is inhaled to I shape - Google Patents
Sound arrester is inhaled to I shape Download PDFInfo
- Publication number
- CN205935272U CN205935272U CN201620921199.6U CN201620921199U CN205935272U CN 205935272 U CN205935272 U CN 205935272U CN 201620921199 U CN201620921199 U CN 201620921199U CN 205935272 U CN205935272 U CN 205935272U
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- shaped steel
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Abstract
The utility model discloses a sound arrester is inhaled to I shape, including I shaped steel board, steel sheet, porous sound -absorbing material, mix earth, damping pad, orifice plate and square pipe, I shaped steel board upper end unclosed wherein, I shaped steel board be symmetrical structure, I shaped steel board both sides be the recess, inside is equipped with one, I shaped steel in installation face board upper end for installing two, the steel sheet is placed on the installation face of I shaped steel board no. 1 through the damping pad, the orifice plate passes through the damping pad to be fixed on the installation face of I shaped steel board no. 2, porous sound -absorbing material fills between orifice plate and the steel sheet, through square union coupling between two sound arrester is inhaled to I shape, square pipe is installed in the recess, the muddy earth of square intraductal packing, the utility model discloses having increased the acoustical reduction coefficient of concatenation department between the board, having reduced on -the -spot installation and splice the error and leakage acoustic, guaranteed that its acoustic performance does not receive the influence of installation, acoustic absorption performance and sound insulation property are superior, can the mass production.
Description
Technical field
The utility model is related to technical field of acoustics, specifically related to a kind of I shape sound absorption device.
Background technology
With the gradually demand of the experiment of electronic product acoustics, auto NVH test, colleges and universities and enterprise's acoustical laboratory, acoustics
The R＆D work of Felt obtains and constantly improves.Existing Felt be mostly orifice plate, damping material, steel plate etc. some
The combination of material, sound absorption and insulation performance is not good, and field installation procedure is complicated, time-consuming work consuming.Some structures acoustical behavior of itself
Preferably, but because in-site installation error leads to plate improper with the joint treatment of plate, affect its overall acoustical behavior.
Utility model content
Not good for existing Felt acoustical behavior, install stitching error larger and the problems such as lead to leakage sound, this practicality
A kind of I shape sound absorption device of new offer, can be reduced the alignment error that in-site installation splicing causes, is protected with mass production
Demonstrate,proving its acoustical behavior is not affected by installing, and sound absorbing capabilities and sound insulation property are superior, can be with mass production.
In order to solve above-mentioned technical problem, the technical solution adopted in the utility model is：
A kind of I shape sound absorption device, including I shape steel plate, steel plate, sound-absorbing porous material, mixed mud, cushion blocking,
Orifice plate and square tube, wherein：
I shape steel plate upper end is unclosed, and I shape steel plate is symmetrical structure, and I shape steel plate both sides are groove, and inside sets
There is installed surface one, I shape steel plate upper end is installed surface two, steel plate is positioned over the installed surface one of I shape steel plate by cushion blocking
On；
Orifice plate is fixed on the installed surface two of I shape steel plate by cushion blocking；
Filling porous sound-absorbing material between orifice plate and steel plate；
Connected by square tube between two I shape sound absorption devices, square tube is arranged in groove, the mixed mud of filling in square tube
Soil.
Preferably, cushion blocking is rubber blanket.
Preferably, the thickness of I-shaped steel plate is 1.0-3.0mm.
Preferably, the thickness of steel plate is 1.0-3.0mm.
Preferably, orifice plate thickness is 1.0-2.0mm.
Sound-absorbing porous material is mineral wool.
The beneficial effects of the utility model are：
The structure sound absorption energy superior performance that the utility model is made up of orifice plate and mineral wool, between I shape steel plate and steel plate
Form cavity structure, sound insulation property gets a promotion.I shape steel plate can reduce alignment error it is ensured that product with mass production
Acoustical behavior.The ingenious connection of rubber blanket makes structural acoustic performance realize according to designed concept is perfect.
Brief description
With reference to the accompanying drawings and detailed description the utility model is described in further detail.
Fig. 1 is the utility model single I shape sound absorption schematic device.
Fig. 2 is two I shape sound absorption device connection diagrams of the utility model.
Fig. 3 is the utility model I shape steel plate schematic diagram.
Fig. 4 is the utility model square tube partial schematic diagram.
Specific embodiment
Below in conjunction with accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out clearly
Chu, it is fully described by it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole realities
Apply example.The assembly of the utility model embodiment generally described and illustrated in accompanying drawing herein can be come with various different configurations
Arrangement and design.Therefore, below the detailed description of the embodiment of the present utility model providing in the accompanying drawings is not intended to limit
Claimed scope of the present utility model, but it is merely representative of selected embodiment of the present utility model.Based on the utility model
Embodiment, the every other embodiment that those skilled in the art are obtained on the premise of not making creative work, all
Belong to the scope of the utility model protection.
Not good in order to solve existing Felt acoustical behavior, the larger problem of stitching error is installed, the utility model is real
Apply example and provide a kind of I shape sound absorption device, the alignment error that in-site installation splicing causes can be reduced with mass production,
Ensure that its acoustical behavior is not affected by installing, sound absorbing capabilities and sound insulation property are superior, can be with mass production.
Fig. 1 is the utility model single I shape sound absorption schematic device, and Fig. 2 is that two I shapes of the utility model are inhaled
Sound arrester connection diagram, Fig. 3 is the utility model I shape steel plate schematic diagram, and Fig. 4 shows for the utility model square tube part
It is intended to, as shown in Figure 1 to 4, a kind of I shape sound absorption device, including I shape steel plate 10, steel plate 30, sound-absorbing porous material
40th, mixed mud 80, cushion blocking 60, orifice plate 70 and square tube 50, wherein：
I shape steel plate 10 upper end is unclosed, and I shape steel plate 10 is symmetrical structure, and I shape steel plate 10 both sides are groove
11, i shaped steel intralamellar part is provided with installed surface 1, and I shape steel plate 10 upper end is installed surface 2 13, and steel plate 30 passes through cushion blocking
60 pads are positioned on the installed surface 1 of I shape steel plate, are not fixedly connected between cushion blocking 60 and I shape steel plate, permissible
Ensure the quick condition of steel plate 30；
Orifice plate 70 is fixed on the installed surface 2 13 of I shape steel plate by cushion blocking 60, herein cushion blocking 60 and I shape
It is to be fixedly connected between steel plate 10；
Filling porous sound-absorbing material 40 between orifice plate 70 and steel plate；
Connected by square tube 50 between two I shape sound absorption devices 10, square tube 50 is arranged in groove 11, square tube 50
Interior filling mixed mud 80.
For improving effectiveness in vibration suppression, cushion blocking of the present utility model is rubber blanket.
The thickness of I-shaped steel plate is 1.0-3.0mm.
The thickness of steel plate is 1.0-3.0mm.
Orifice plate thickness is 1.0-2.0mm.
In the present embodiment, sound-absorbing porous material material is mineral wool.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for
For those skilled in the art, the utility model can have various modifications and variations.All of the present utility model spiritual and former
Within then, any modification, equivalent substitution and improvement made etc., should be included within protection domain of the present utility model.
Claims (6)
1. a kind of I shape sound absorption device is it is characterised in that include I shape steel plate, steel plate, sound-absorbing porous material, mixed mud
Soil, cushion blocking, orifice plate and square tube, wherein：
I shape steel plate upper end is unclosed, and I shape steel plate is symmetrical structure, and I shape steel plate both sides are groove, and inside is provided with peace
Dress face one, I shape steel plate upper end is installed surface two, and steel plate is positioned on the installed surface one of I shape steel plate by cushion blocking；
Orifice plate is fixed on the installed surface two of I shape steel plate by cushion blocking；
Filling porous sound-absorbing material between orifice plate and steel plate；
Connected by square tube between two I shape sound absorption devices, square tube is arranged in groove, filling mixed mud in square tube.
2. according to claim 1 a kind of I shape sound absorption device it is characterised in that cushion blocking be rubber blanket.
3. according to claim 1 a kind of I shape sound absorption device it is characterised in that I-shaped steel plate thickness be 1.0-
3.0mm.
4. according to claim 1 a kind of I shape sound absorption device it is characterised in that steel plate thickness be 1.0-3.0mm.
5. according to claim 1 a kind of I shape sound absorption device it is characterised in that orifice plate thickness be 1.0-2.0mm.
6. according to claim 1 a kind of I shape sound absorption device it is characterised in that sound-absorbing porous material be mineral wool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620921199.6U CN205935272U (en) | 2016-08-22 | 2016-08-22 | Sound arrester is inhaled to I shape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620921199.6U CN205935272U (en) | 2016-08-22 | 2016-08-22 | Sound arrester is inhaled to I shape |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205935272U true CN205935272U (en) | 2017-02-08 |
Family
ID=57951976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620921199.6U Active CN205935272U (en) | 2016-08-22 | 2016-08-22 | Sound arrester is inhaled to I shape |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205935272U (en) |
-
2016
- 2016-08-22 CN CN201620921199.6U patent/CN205935272U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |