CN215397361U - Sponge mat with good noise reduction effect - Google Patents
Sponge mat with good noise reduction effect Download PDFInfo
- Publication number
- CN215397361U CN215397361U CN202121436135.4U CN202121436135U CN215397361U CN 215397361 U CN215397361 U CN 215397361U CN 202121436135 U CN202121436135 U CN 202121436135U CN 215397361 U CN215397361 U CN 215397361U
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- panel
- side plate
- noise reduction
- reduction effect
- sound
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- 230000009467 reduction Effects 0.000 title claims abstract description 51
- 230000000694 effects Effects 0.000 title claims abstract description 36
- 238000010521 absorption reaction Methods 0.000 claims description 51
- 239000012528 membrane Substances 0.000 claims description 10
- 229920001971 elastomer Polymers 0.000 claims description 9
- 238000009958 sewing Methods 0.000 claims description 3
- 229920001821 foam rubber Polymers 0.000 claims 3
- 239000010410 layer Substances 0.000 description 9
- 239000000463 material Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002592 echocardiography Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The utility model belongs to the field of furniture, and particularly relates to a spongy cushion with a good noise reduction effect, which comprises a first panel, a second panel, a third panel, a fourth panel and a noise reduction unit, wherein the first panel is connected with the second panel; the first panel and the third panel are oppositely buckled, detachably and fixedly connected; the second panel and the fourth panel are oppositely buckled, detachably and fixedly connected; noise reduction units are arranged in the first panel and the third panel; the noise reduction unit comprises a first upper left side plate; a first upper left side plate and a second upper left side plate are connected in the first panel in a buckling manner; the second upper right side plate and the first upper right side plate are connected in the third panel in a buckling manner; the sponge cushion realizes the function of absorbing sound waves of medium and high frequencies and has good noise reduction effect, solves the problem of poor noise reduction effect of the traditional sponge cushion on low frequencies, and improves the low-frequency noise reduction effect of the sponge cushion; meanwhile, the joint has the noise reduction function, the problem of poor noise reduction effect of the traditional sponge mat joint is solved, and the overall noise reduction effect of the sponge mat is improved.
Description
Technical Field
The utility model relates to the field of furniture, in particular to a spongy cushion with a good noise reduction effect.
Background
Sponges commonly used in life are made of wood cellulose fibers or foamed plastic polymers; in addition, there are three other types of synthetic sponges, low density polyether (non-absorbent sponge), polyvinyl alcohol (superabsorbent material, no significant air voids) and polyester, respectively.
The sponge has the functions of noise reduction and sound absorption due to the porous structure, but only absorbs medium-frequency and high-frequency sound waves, and the low-frequency sound waves are absorbed less, so that the overall noise reduction effect is poor; therefore, the sponge mat with good noise reduction effect is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
In order to make up for the defects of the prior art and solve the problem that the sponge has the noise reduction and sound absorption functions due to the porous structure of the sponge, but only absorbs sound waves with medium and high frequencies, and the sound waves with low frequencies are absorbed less, so that the overall noise reduction effect is poor, the utility model provides the sponge cushion with the good noise reduction effect.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the spongy cushion with good noise reduction effect comprises a first panel, a second panel, a third panel, a fourth panel and a noise reduction unit; the first panel and the third panel are oppositely buckled, detachably and fixedly connected; the second panel and the fourth panel are oppositely buckled, detachably and fixedly connected; noise reduction units are arranged in the first panel and the third panel; the noise reduction unit comprises a first upper left side plate; a first upper left side plate and a second upper left side plate are connected in the first panel in a buckling manner; the second upper right side plate and the first upper right side plate are connected in the third panel in a buckling manner; a second sound absorption film is connected between the second upper left side plate and the second upper right side plate in a buckling manner; the medium-high frequency sound wave noise reduction effect is good.
Preferably, the first panel, the second panel, the third panel and the fourth panel are provided with buckling grooves; the buckling groove is internally buckled and connected with a buckling sound absorption piece; the inner hole of the buckling sound-absorbing piece is provided with a sound-absorbing pipe in an inserted manner; the sound absorption pipe is provided with a through hole; the sound absorption tube is internally filled with sound absorption balls; the noise reduction effect of the low-frequency sound wave is good.
Preferably, the first lower left side plate and the second lower left side plate are connected in the second panel in a buckling manner; the second lower right side plate and the first lower right side plate are connected in the fourth panel in a buckling manner; and sound waves of medium and high frequencies are absorbed and reduced in noise in a multi-layer mode.
Preferably, a first sound absorbing film is connected between the second lower left side plate and the second lower right side plate in a buckling manner; a first middle plate is fixedly connected inside the first sound absorption membrane; the absorption and noise reduction of the sound waves of low frequency and medium frequency are obtained.
Preferably, the second lower left side plate, the second lower right side plate, the second upper left side plate and the second upper right side plate are all made of high-density sponge; so that the whole body is soft and convenient to bend and fold.
Preferably, the first lower left side plate, the first lower right side plate, the first upper left side plate and the first upper right side plate are all made of foamed rubber; and absorbing and reducing noise of the sound wave with low frequency.
Preferably, a second middle plate is fixedly connected in the second sound-absorbing film; the second sound absorption film and the first sound absorption film are made of canvas through double-layer sewing; and absorbing and reducing noise of the sound wave with low frequency.
Preferably, the second middle plate and the first middle plate are both made of foamed rubber; and absorbing and reducing noise of the sound wave with low frequency.
The utility model has the advantages that:
1. according to the utility model, through the structural design of the first panel, the second panel, the third panel, the fourth panel, the first upper left side plate, the second upper right side plate, the first upper right side plate and the second sound absorption membrane, the sound waves of middle and high low frequencies are absorbed, and meanwhile, the function of good noise reduction effect is realized, the problem of poor noise reduction effect of the traditional sponge mat on low frequencies is solved, and the low-frequency noise reduction effect of the sponge mat is improved;
2. according to the utility model, through the structural design of the buckling groove, the buckling sound absorption piece, the sound absorption pipe, the through hole, the sound absorption ball, the first panel, the second panel, the third panel and the fourth panel, the convenience in mounting and dismounting is realized, the combination and use are convenient, meanwhile, the joint has the noise reduction function, the problem of poor noise reduction effect of the joint of the traditional spongy cushion is solved, and the overall noise reduction effect of the spongy cushion is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic perspective view of a first embodiment;
FIG. 2 is a front view of the first embodiment;
FIG. 3 is a schematic side sectional view illustrating a first embodiment of the present invention;
FIG. 4 is an enlarged structural view of the first embodiment at A in FIG. 3;
fig. 5 is a schematic structural diagram of a side cross-section in the second embodiment.
In the figure: 1. a first panel; 2. a second panel; 3. a third panel; 4. a fourth panel; 5. buckling the groove; 6. fastening the sound absorbing piece; 7. a sound absorbing pipe; 8. a through hole; 9. a sound absorbing ball; 10. a first lower left side panel; 11. a second lower left side panel; 12. a first sound absorbing membrane; 13. a first intermediate plate; 14. a second lower right side panel; 15. a first lower right side plate; 16. a first upper left side plate; 17. a second upper left side panel; 18. a second sound absorbing film; 19. a second intermediate plate; 20. a second upper right side plate; 21. a first upper right side plate; 22. an air tank.
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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1-4, a sponge mat with good noise reduction effect includes a first panel 1, a second panel 2, a third panel 3, a fourth panel 4 and a noise reduction unit; the first panel 1 and the third panel 3 are buckled oppositely, detachably and fixedly connected; the second panel 2 and the fourth panel 4 are buckled relatively, detachably and fixedly connected; noise reduction units are arranged in the first panel 1 and the third panel 3; the noise reduction unit includes a first upper left side plate 16; a first upper left side plate 16 and a second upper left side plate 17 are buckled and connected in the first panel 1; a second upper right side plate 20 and a first upper right side plate 21 are buckled and connected in the third panel 3; a second sound absorption film 18 is buckled and connected between the second upper left side plate 17 and the second upper right side plate 20; during operation, the first panel 1, the second panel 2, the third panel 3 and the fourth panel 4 are detachably mounted in a buckling mode, so that the sponge mat is convenient to mount and dismount, convenient to combine and use, capable of absorbing sound waves of high and low frequencies, and good in noise reduction effect.
The first panel 1, the second panel 2, the third panel 3 and the fourth panel 4 are provided with buckling grooves 5; the buckling groove 5 is internally buckled and connected with a buckling sound absorption piece 6; a sound absorbing pipe 7 is inserted into the inner hole of the buckling sound absorbing piece 6; the sound absorption pipe 7 is provided with a through hole 8; the sound absorption ball 9 is filled in the sound absorption pipe 7; the during operation is connected with the lock through 5 locks in lock groove and inhales sound 6 for with the area of contact increase of sound wave, make erection joint's stability simultaneously, through having seted up through-hole 8 on the sound absorption pipe 7, make and to form the perforation shape, can absorb the sound wave of intermediate frequency, through the sound ball 9 of inhaling of sound absorption pipe 7 inside, make the sound wave that can absorb the high frequency.
A first lower left side plate 10 and a second lower left side plate 11 are buckled and connected in the second panel 2; a second lower right side plate 14 and a first lower right side plate 15 are buckled and connected in the fourth panel 4; during operation, through the first left side board 10 under the symmetry is fixed, left side board 11 under the second, right side board 14 and first right side board 15 under the second for form multilayer sound-absorbing layer, thereby absorb the sound wave of different frequencies, thereby realize that the efficient falls makes an uproar.
A first sound absorption film 12 is connected between the second lower left side plate 11 and the second lower right side plate 14 in a buckling manner; a first middle plate 13 is fixedly connected inside the first sound absorbing membrane 12; during operation, the fixing mode of the coating enables two sound absorption layers to be formed, the first sound absorption film 12 and the second sound absorption film 18 absorb low-frequency sound waves, and the first middle plate 13 absorbs medium-high frequency sound waves, so that the absorption effect of the same path is better, and the echo generated by the rebound of the sound waves is reduced.
The second lower left side plate 11, the second lower right side plate 14, the second upper left side plate 17 and the second upper right side plate 20 are all made of high-density sponge; the first lower left side plate 10, the first lower right side plate 15, the first upper left side plate 16 and the first upper right side plate 21 are all made of foamed rubber; when the high-density sponge-rubber composite material works, the high-density sponge-rubber composite material is symmetrically fixed at intervals, so that low-frequency, medium-frequency and high-frequency sounds can be absorbed, and the reflection of sound waves is reduced; a second middle plate 19 is fixedly connected in the second sound absorption membrane 18; the second sound absorption film 18 and the first sound absorption film 12 are made of canvas through double-layer sewing; the second middle plate 19 and the first middle plate 13 are both made of foamed rubber; during operation, the second middle plate 19 is fixedly connected in the second sound absorption film 18, the first middle plate 13 is fixedly connected in the first sound absorption film 12, and the two sound absorption layers are formed in a coated fixing mode, so that low-frequency sound waves are absorbed through the first sound absorption film 12 and the second sound absorption film 18, medium-high-frequency sound waves are absorbed through the second middle plate 19 and the first middle plate 13, the absorption effect of the same path is better, and the echo is generated by the rebound of the sound waves.
Example two
Referring to fig. 5, in a first comparative example, as another embodiment of the present invention, air grooves 22 are formed on inner side surfaces of the first panel 1, the second panel 2, the third panel 3 and the fourth panel 4; in operation, the air groove 22 enables the whole body to be conveniently bent and folded, and an air interlayer is formed at the same time, so that the function of isolating sound transmission is realized, and meanwhile, the contact friction force during pressing is increased.
According to the working principle, the first panel 1, the second panel 2, the third panel 3 and the fourth panel 4 are buckled and detachably mounted, so that the spongy cushion is convenient to mount and dismount, convenient to combine and use, capable of absorbing sound waves of medium and high frequencies and good in noise reduction effect; the buckling sound absorbing piece 6 is connected with the buckling groove 5 in a buckling mode, so that the contact area of the buckling sound absorbing piece and sound waves is increased, meanwhile, the installation and connection are stable, the sound absorbing pipe 7 is provided with the through hole 8, a perforated shape can be formed, the sound waves of medium frequency can be absorbed, and the sound absorbing ball 9 in the sound absorbing pipe 7 can absorb the sound waves of high frequency; through the first lower left side plate 10, the second lower left side plate 11, the second lower right side plate 14 and the first lower right side plate 15 which are symmetrically fixed, a multilayer sound absorption layer is formed, so that sound waves with different frequencies are absorbed, and efficient noise reduction is realized; by the fixing mode of coating, two sound absorption layers are formed, low-frequency sound waves are absorbed by the first sound absorption film 12 and the second sound absorption film 18, medium-high frequency sound waves are absorbed by the first middle plate 13, so that the absorption effect of the same path is better, and echoes generated by the rebound of the sound waves are reduced; the high-density sponge and the foamed rubber are symmetrically fixed at intervals, so that low-frequency and medium-high-frequency sounds can be absorbed, and the reflection of sound waves is reduced; through the second intermediate plate 19 of rigid coupling in the second sound-absorbing membrane 18, rigid coupling has first intermediate plate 13 in the first sound-absorbing membrane 12, this kind of fixed mode of cladding for form two sound-absorbing layers, absorb the low frequency sound wave through first sound-absorbing membrane 12 and second sound-absorbing membrane 18, absorb the medium-high frequency sound wave through second intermediate plate 19 and first intermediate plate 13, thereby make the absorption effect on same route better, reduce the bounce-back production echo of sound wave.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.
Claims (8)
1. The utility model provides a foam-rubber cushion that noise reduction effect is good which characterized in that: the noise reduction panel comprises a first panel (1), a second panel (2), a third panel (3), a fourth panel (4) and a noise reduction unit; the first panel (1) and the third panel (3) are buckled relatively, detachably and fixedly connected; the second panel (2) and the fourth panel (4) are buckled relatively, detachably and fixedly connected; noise reduction units are arranged in the first panel (1) and the third panel (3); the noise reduction unit comprises a first upper left side plate (16); a first upper left side plate (16) and a second upper left side plate (17) are connected in the first panel (1) in a buckling manner; a second upper right side plate (20) and a first upper right side plate (21) are buckled and connected in the third panel (3); and a second sound absorption film (18) is buckled and connected between the second upper left side plate (17) and the second upper right side plate (20).
2. The sponge cushion with good noise reduction effect as claimed in claim 1, wherein: buckling grooves (5) are formed in the first panel (1), the second panel (2), the third panel (3) and the fourth panel (4); the buckling groove (5) is internally buckled and connected with a buckling sound absorption piece (6); a sound absorbing pipe (7) is inserted into the inner hole of the buckling sound absorbing piece (6); the sound absorption pipe (7) is provided with a through hole (8); and the sound absorption ball (9) is filled in the sound absorption pipe (7).
3. The sponge cushion with good noise reduction effect as claimed in claim 2, wherein: a first lower left side plate (10) and a second lower left side plate (11) are connected in the second panel (2) in a buckling manner; and a second lower right side plate (14) and a first lower right side plate (15) are buckled and connected in the fourth panel (4).
4. The sponge cushion with good noise reduction effect as claimed in claim 3, wherein: a first sound absorbing film (12) is buckled and connected between the second lower left side plate (11) and the second lower right side plate (14); a first middle plate (13) is fixedly connected inside the first sound absorption membrane (12).
5. The sponge cushion with good noise reduction effect as claimed in claim 4, wherein: and the second lower left side plate (11), the second lower right side plate (14), the second upper left side plate (17) and the second upper right side plate (20) are all made of high-density sponge.
6. The sponge cushion with good noise reduction effect as claimed in claim 5, wherein: the first lower left side plate (10), the first lower right side plate (15), the first upper left side plate (16) and the first upper right side plate (21) are all made of foamed rubber.
7. The foam-rubber cushion with good noise reduction effect of claim 6, wherein: a second middle plate (19) is fixedly connected in the second sound absorption film (18); the second sound absorption film (18) and the first sound absorption film (12) are made of canvas through double-layer sewing.
8. The foam-rubber cushion with good noise reduction effect of claim 7, wherein: the second middle plate (19) and the first middle plate (13) are both made of foamed rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121436135.4U CN215397361U (en) | 2021-06-25 | 2021-06-25 | Sponge mat with good noise reduction effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121436135.4U CN215397361U (en) | 2021-06-25 | 2021-06-25 | Sponge mat with good noise reduction effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215397361U true CN215397361U (en) | 2022-01-04 |
Family
ID=79642301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121436135.4U Expired - Fee Related CN215397361U (en) | 2021-06-25 | 2021-06-25 | Sponge mat with good noise reduction effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215397361U (en) |
-
2021
- 2021-06-25 CN CN202121436135.4U patent/CN215397361U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220104 |