CN211730478U - Damping sheet material sound-absorbing cotton - Google Patents
Damping sheet material sound-absorbing cotton Download PDFInfo
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- CN211730478U CN211730478U CN201922454323.9U CN201922454323U CN211730478U CN 211730478 U CN211730478 U CN 211730478U CN 201922454323 U CN201922454323 U CN 201922454323U CN 211730478 U CN211730478 U CN 211730478U
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Abstract
The utility model relates to a damping sheet material sound-absorbing cotton, which comprises a sound-absorbing cotton layer covered on the surface, wherein the middle part of the sound-absorbing cotton is provided with a damping sheet material layer; the outer layer of the damping sheet layer is wrapped with a flame-retardant layer; a bonding layer is arranged between the flame-retardant layer and the sound-absorbing cotton layer; the damping sheet layer is internally filled with a sound-absorbing honeycomb layer, and the sound-absorbing honeycomb layer is divided by reinforcing ribs; the utility model discloses set up the damping sheet layer in the middle part of inhaling the sound cotton, and be provided with fire-retardant layer and inhale the sound cotton layer on the surface of damping sheet layer, the inside packing of damping sheet layer has the sound honeycomb layer of inhaling, through the micro-structure of designing damping sheet layer, promotes the sound absorption and the noise cancelling effect of damping sheet layer, and then improves the sound absorption and the noise cancelling effect of whole sound cotton of inhaling; through with noise control in the cavity that has damping sheet layer and strengthening rib to enclose, the rethread is inhaled the sound honeycomb layer and is carried out the multiple aperture amortization and inhale the sound to it, reaches the design effect, improves and inhales cotton toughness, intensity and rigidity of sound, has practicality and creativity.
Description
Technical Field
The utility model relates to an inhale cotton material technical field of sound, concretely relates to sound is cotton is inhaled to damping sheet.
Background
In the modern society, noise pollution has become one of the main environmental pollution problems which are concerned worldwide after water pollution and air pollution. Sound-absorbing and sound-insulating materials are used for sound insulation and sound reduction, which are common means for treating noise pollution. The sound-absorbing cotton commonly used in the market at present comprises glass fiber sound-absorbing cotton, sponge, polyester fiber sound-absorbing cotton and the like. The glass fiber cotton is easy to cause skin itch and respiratory tract allergy, is harmful to human bodies and is not suitable for indoor use.
Most of the sponge is a closed-cell foam material, has limited sound absorption performance and is more suitable for the field of heat preservation. The common polyester fiber sound-absorbing cotton has narrow sound-absorbing bandwidth, only has good absorption for middle and high frequency sound, and has limited absorption effect for low frequency sound.
The sound-absorbing cotton used for automobile materials not only needs good sound-absorbing performance, but also needs to meet the requirements of safety, flame retardance, environmental protection, comfort, durability and the like; it is urgently needed to design a sound-absorbing cotton with good damping effect and sound-absorbing effect.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, the utility model aims at providing a damping sheet inhales sound cotton, through setting up the damping sheet in inhaling the cotton inside of sound, aim at solves the damping effect not good, inhale the not good defect of sound effect.
For realizing the purpose of the utility model, the technical proposal adopted is that:
a damping sheet material sound absorption cotton comprises a sound absorption cotton layer covering the surface, wherein a damping sheet material layer is arranged in the middle of the sound absorption cotton, a flame-retardant layer wraps the outer layer of the damping sheet material layer, and a connecting groove is formed in the inner part of the flame-retardant layer; the damping sheet layer is provided with a connecting head corresponding to the connecting groove on the flame-retardant layer; the connecting head is provided with a connecting bulge, and the connecting bulge is inserted into the connecting groove for fixing; the surface of the damping sheet layer is provided with the flame-retardant layer, so that the damping sheet layer can be effectively protected from high temperature and high heat damage; through the connecting grooves.
An adhesive layer is arranged between the flame-retardant layer and the sound-absorbing cotton layer, and the sound-absorbing cotton layer and the flame-retardant layer are adhered to the two sides of the adhesive layer; the flame-retardant layer and the sound-absorbing cotton layer are bonded through the bonding layer, and then the damping sheet layer is connected with the flame-retardant layer and the sound-absorbing cotton layer.
As a preferred technical scheme, at least one reinforcing rib is arranged in the damping sheet layer, and two ends of the reinforcing rib are connected with the damping sheet layer; sound absorption through holes are formed in the damping sheet layer and the reinforcing ribs; reinforce damping sheet layer through setting up the strengthening rib to all be provided with on damping sheet layer and strengthening rib and inhale the sound through-hole, can strengthen the sound effect of inhaling.
According to a preferable technical scheme, a sound absorption honeycomb layer is filled in the damping sheet layer and is divided by reinforcing ribs; through the inside on the damping sheet layer that has the strengthening rib to cut apart is provided with inhales the sound honeycomb layer, further strengthens inhaling the cotton effect of inhaling the sound of inhaling, promotes to inhale the cotton sound effect of inhaling of sound.
According to the preferable technical scheme, the sound-absorbing cotton layer of the sound-absorbing cotton is provided with large through holes and small through holes; the small through holes are distributed around the large through holes, and the number of the small through holes is more than that of the large through holes; a plurality of through holes are formed in the surface of the sound-absorbing cotton layer, noise is introduced into the deep layer-damping sheet layer of the sound-absorbing cotton to be absorbed and silenced, and the sound-absorbing effect of the sound-absorbing cotton is enhanced.
The utility model has the advantages that: the utility model discloses set up the damping sheet layer in the middle part of inhaling the sound cotton, and be provided with fire-retardant layer and inhale the sound cotton layer on the surface of damping sheet layer, the inside packing of damping sheet layer has the sound honeycomb layer of inhaling, through the micro-structure of designing damping sheet layer, promotes the sound absorption and the noise cancelling effect of damping sheet layer, and then improves the sound absorption and the noise cancelling effect of whole sound cotton of inhaling; through with noise control in the cavity that damping sheet layer and strengthening rib enclose, the rethread inhales the sound honeycomb layer and carries out the multiple aperture amortization and inhale the sound to it, finally reaches the design effect, the utility model discloses a inhale the sound cotton ingeniously with the damping sheet layer introduce inhale the sound cotton in, not only improve and inhale cotton toughness, intensity and the rigidity of sound, can also reinforce and inhale sound and noise cancelling effect, have good market potential value, have practicality and creativity.
Drawings
Fig. 1 is a schematic view of the internal structure of the damping sheet material sound-absorbing cotton of the present invention.
Fig. 2 is a schematic view of the surface structure of the sound-absorbing cotton of the damping sheet of the present invention.
In the figure: 1. a sound absorbing cotton layer; 2. a bonding layer; 3. a flame retardant layer; 4. a damping sheet layer; 5. a sound absorbing honeycomb layer; 6. reinforcing ribs; 7. a sound-absorbing through hole; 8. a connector; 9. a connecting projection; 10. a large through hole; 11. a small through hole; 12. and a connecting groove.
Detailed Description
The technical solution of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it should be understood that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a sound cotton is inhaled to damping sheet, is including covering the cotton layer 1 of inhaling the sound on surface, inhale the cotton middle part of sound and be provided with damping sheet layer 4, damping sheet layer 4's outer parcel has fire-retardant layer 3, and 3 inside connecting groove 12 that are provided with on fire-retardant layer. The damping sheet layer 4 is provided with a connector 8 corresponding to the connecting groove 12 on the flame-retardant layer 3. The connecting head 8 is provided with a connecting protrusion 9, and the connecting protrusion 9 is inserted into the connecting groove 12 for fixing. A bonding layer 2 is arranged between the flame-retardant layer 3 and the sound-absorbing cotton layer 1, and the bonding layer 2 bonds the sound-absorbing cotton layer 1 and the flame-retardant layer 3 on two sides. At least one reinforcing rib 6 is arranged in the damping sheet layer 4, and two ends of the reinforcing rib 6 are connected with the damping sheet layer 4. Sound-absorbing through holes 7 are formed in the damping sheet layer 4 and the reinforcing ribs 6. The damping sheet layer 4 is filled with a sound-absorbing honeycomb layer 5, and the sound-absorbing honeycomb layer 5 is divided by reinforcing ribs 6. The sound-absorbing cotton layer 1 of the sound-absorbing cotton is provided with large through holes 10 and small through holes 11. The small through holes 11 are distributed around the large through holes 10, and the number of the small through holes 11 is greater than the number of the large through holes 10.
In the utility model, the damping sheet layer is arranged in the middle of the sound-absorbing cotton, the surface of the damping sheet layer is provided with the flame-retardant layer and the sound-absorbing cotton layer, the sound-absorbing honeycomb layer is filled in the damping sheet layer, and the sound-absorbing and sound-deadening effects of the damping sheet layer are improved by designing the microstructure of the damping sheet layer, so that the sound-absorbing and sound-deadening effects of the whole sound-absorbing cotton are improved; through with noise control in the cavity that damping sheet layer and strengthening rib enclose, the rethread inhales the sound honeycomb layer and carries out the multiple aperture amortization and inhale the sound to it, finally reaches the design effect, the utility model discloses a inhale the sound cotton ingeniously with the damping sheet layer introduce inhale the sound cotton in, not only improve and inhale cotton toughness, intensity and the rigidity of sound, can also reinforce and inhale sound and noise cancelling effect, have good market potential value, have practicality and creativity.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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 (5)
1. The utility model provides a damping sheet material inhales sound cotton, is including covering at the cotton layer (1) of inhaling sound of surface, its characterized in that: a damping sheet layer (4) is arranged in the middle of the sound absorption cotton, a flame-retardant layer (3) is wrapped on the outer layer of the damping sheet layer (4), and a connecting groove (12) is formed in the flame-retardant layer (3);
the damping sheet layer (4) is provided with a connector (8) corresponding to the connecting groove (12) on the flame-retardant layer (3);
the connector (8) is provided with a connecting bulge (9), and the connecting bulge (9) is inserted into the connecting groove (12) for fixing.
2. The damping sheet sound absorbing cotton of claim 1, wherein: a bonding layer (2) is arranged between the flame-retardant layer (3) and the sound-absorbing cotton layer (1), and the sound-absorbing cotton layer (1) and the flame-retardant layer (3) are bonded on two sides of the bonding layer (2).
3. The damping sheet sound absorbing cotton of claim 1, wherein: at least one reinforcing rib (6) is arranged inside the damping sheet layer (4), and two ends of the reinforcing rib (6) are connected with the damping sheet layer (4);
and sound absorption through holes (7) are formed in the damping sheet layer (4) and the reinforcing ribs (6).
4. The damping sheet sound absorbing cotton of claim 3, wherein: the damping sheet layer (4) is internally filled with a sound-absorbing honeycomb layer (5), and the sound-absorbing honeycomb layer (5) is divided by reinforcing ribs (6).
5. The damping sheet sound absorbing cotton of claim 1, wherein: the sound-absorbing cotton layer (1) of the sound-absorbing cotton is provided with a large through hole (10) and a small through hole (11);
the small through holes (11) are distributed around the large through holes (10), and the number of the small through holes (11) is more than that of the large through holes (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922454323.9U CN211730478U (en) | 2019-12-31 | 2019-12-31 | Damping sheet material sound-absorbing cotton |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922454323.9U CN211730478U (en) | 2019-12-31 | 2019-12-31 | Damping sheet material sound-absorbing cotton |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211730478U true CN211730478U (en) | 2020-10-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922454323.9U Active CN211730478U (en) | 2019-12-31 | 2019-12-31 | Damping sheet material sound-absorbing cotton |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211730478U (en) |
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2019
- 2019-12-31 CN CN201922454323.9U patent/CN211730478U/en active Active
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