CN208376138U - A kind of muffler - Google Patents
A kind of muffler Download PDFInfo
- Publication number
- CN208376138U CN208376138U CN201820923018.2U CN201820923018U CN208376138U CN 208376138 U CN208376138 U CN 208376138U CN 201820923018 U CN201820923018 U CN 201820923018U CN 208376138 U CN208376138 U CN 208376138U
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- damping
- zinc
- long cylinder
- acoustical
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Abstract
The utility model relates to a kind of mufflers, it includes long cylinder and is set to the intracorporal several acoustical lining framves of long cylinder, the cross section of long cylinder is rectangle, four side walls of long cylinder are made of the first acoustical panel, acoustical lining frame is spliced by multiple second acoustical panels, and the first acoustical panel on the outside of cylinder to zinc-plated panel layer, damping sound insulation layer, damping puigging, the first zinc-plated orifice layer, the first heat insulation fiber layer of cloth, damping sound absorbing layer, the second heat insulation fiber layer of cloth and the second zinc-plated orifice layer that cylinder inside is cascading by forming.Advantage is, the muffler respectively constitutes long cylinder and the intracorporal sound gobo frame of long cylinder by novel the first acoustical panel and the second acoustical panel, the first, second novel acoustical panel has preferable sound-deadening and noise-reducing ability for basic, normal, high frequency noise, heat-insulated simultaneously, insulation and high temperature resistance are preferable, so that the muffler being made from it is substantially better than conventional muffler, it can be used under different scenes, market prospects are good.
Description
Technical field
The utility model belongs to sound-deadening and noise-reducing field at the inlet and outlet of equipment, and in particular to a kind of muffler.
Background technique
The application of blower can be aerated, be radiated, the conveying of gas compression and material, in many factories, quotient than wide
There is outfit in tall building.
The operating of the need of work high speed of blower could drive the flow at high speed of gas to carry out relevant work, and intake and exhaust
When, the raw wind of high speed winds miscarriage is made an uproar all bigger, is needed to carry out corresponding noise reduction processing, is reduced noise pollution.Existing blower
The structure of admission air silencer or muffler at air inlet is mushroom-head, barrel lays cylinder type of quieter material etc.,
Disadvantage is that the effect of sound-deadening and noise-reducing is poor, when compressor flow is larger, noise reduction effect is undesirable, is not able to satisfy people
Requirement.
Utility model content
The utility model provides a kind of muffler, may be disposed at the air inlet and/or air outlet of blower, sound-deadening and noise-reducing effect
Fruit is good, and suitable for the blower of various flows, making an uproar to the wind of each frequency has preferable eradicating efficacy.
The technical solution that the utility model solves above-mentioned technical problem is as follows: a kind of muffler comprising long cylinder and sets
The intracorporal several acoustical lining framves of the long cylinder are placed in, the cross section of the long cylinder is rectangle, four sides of the long cylinder
Wall is made of the first acoustical panel, and the acoustical lining frame is spliced by multiple second acoustical panels and multiple acoustical panels are about institute
The central axis rotational symmetry of long cylinder is stated, first acoustical panel is zinc-plated by being cascading on the outside of cylinder to cylinder inside
Panel layer, damping sound insulation layer, damping puigging, the first zinc-plated orifice layer, the first heat insulation fiber layer of cloth, damping sound absorbing layer, second
Heat insulation fiber layer of cloth and the second zinc-plated orifice layer composition.
Based on the above technical solution, the utility model can also do following improvement.
Further, second acoustical panel by the be cascading first zinc-plated orifice layer, the first heat insulation fiber layer of cloth,
Damping sound absorbing layer, the second heat insulation fiber layer of cloth and the second zinc-plated orifice layer composition.
Beneficial effect using above-mentioned further scheme is that the second acoustical panel is different from the structure of the first acoustical panel, because of
Two acoustical panels are located in long cylinder, therefore the surface of its two sides uses zinc-plated orifice plate, are easier to noise energy through zinc-plated orifice plate
It is absorbed by internal damping sound absorbing layer, and the second acoustical panel is located in long cylinder, without the concern for impact absorption, sound insulation and higher
Intensity, therefore do not need to be arranged zinc-plated panel layer and damping puigging, save material, while promoting absorbing sound and lowering noise effect.
Further, the quantity of the acoustical lining frame be one and along the length direction of the long cylinder stretch and with it is described
The length of long cylinder is identical.
Beneficial effect using above-mentioned further scheme is that structure is simple, is easily installed.
Further, the quantity of the acoustical lining frame is multiple and is arranged at the length direction interval of the long cylinder.
Further, the two neighboring acoustical lining frame one angle of rotational offset on the length direction of the long cylinder
Degree.
Beneficial effect using above-mentioned further scheme is that structure is relative complex, when sound wave conducts in long cylinder and not
Acoustical lining frame with angle acts on, and sound-absorbing effect is more preferably.
Further, the damping sound insulation layer by damping sound insulation felt at.
Having the beneficial effect that using the above structure, damping sound insulation felt is added by high molecular material, metal powder and each analog assistant
Work forms, and can eliminate machine with good air-borne sound sound insulation capabilities for a kind of efficient acoustic material in the prior art
The energy generated when operating, the resonance for weakening low-frequency sound are propagated.
Further, the damping puigging includes being located between the damping sound insulation layer and the first zinc-plated orifice layer
And multiple damping blocks of uniform intervals setting, air sound insulation area is formed between the adjacent damping block.
Beneficial effect using above-mentioned further scheme is to use the above-mentioned improved benefit of further structure for raising pair
The dispersion cushioning effect of air-flow and sound shock wave, air sound insulation area promotes soundproof effect while reducing materials'use, right
Middle low frequency noise has preferable decrease Noise Reduction.
Further, the damping sound absorbing layer by be located in the first heat insulation fiber layer of cloth and the second heat insulation fiber layer of cloth it
Between polyester fibre acoustic panel and several damping blocks composition, the polyester fibre acoustic panel be equipped with several through-holes, the damping
Block is embedded in the through-hole correspondingly.
Beneficial effect using above-mentioned further scheme is to use the above-mentioned improved benefit of further structure for polyester is fine
The centering high-frequency vibration that is used cooperatively of dimension abatvoix and damping block has preferable absorption, and absorbing sound and lowering noise effect is good；First every
The setting of thermal fiber layer of cloth and the second heat insulation fiber layer of cloth is able to ascend the heat-insulated of acoustical panel, insulation and ability resistant to high temperature；Subtract
Shake block, which is embedded in polyester fibre acoustic panel, also has certain supporting role, prevents polyester fibre acoustic panel compressive deformation and shadow
Ring its sound-absorbing effect.Polyester fibre acoustic panel also has slim and graceful, full of elasticity, durable, nontoxic, tasteless, mould proof, fire-retardant and insulation etc.
Excellent performance.Specifically, the damping block is made of EP rubbers, silicon rubber, fluorubber or perfluoroelastomers, benefit is,
The damping block of the above material also has preferable heat resistance other than having preferable elasticity, guarantees acoustical panel in high temperature ring
Also its erasure effect is able to maintain when in border.First and second heat insulation fiber layer of cloths are, it is preferable to use E- type glass fabric.
Further, the damping block is strip and the adjacent damping block parallel interval setting.
Beneficial effect using above-mentioned further scheme be use the above-mentioned improved benefit of further structure for, guarantee compared with
Good damping and erasure effect.
Further, the zinc-plated panel layer with a thickness of 0.5-2.0mm, the damping sound insulation layer with a thickness of 1.3-
1.5mm, the damping puigging with a thickness of 40-50mm, the first zinc-plated orifice layer with a thickness of 0.5-2.0mm, it is described
First heat insulation fiber layer of cloth with a thickness of 1.0-1.2mm, the damping sound absorbing layer with a thickness of 80-100mm, the second heat insulation fiber
Layer of cloth with a thickness of 1.0-1.2mm, the second zinc-plated orifice layer with a thickness of 0.5-2.0mm.
The above-mentioned improved benefit of further structure is used to rationally design the thickness of each layer to guarantee that the acoustical panel can be right
The sound of basic, normal, high frequency all has better sound-deadening and noise-reducing effect, at the same guarantee its with it is good it is heat-insulated, insulation and it is resistance to
High-temperature behavior.
Compared with prior art, the utility model has the beneficial effects that
Muffler provided by the utility model by novel the first acoustical panel and the second acoustical panel respectively constitute long cylinder and
The long intracorporal sound gobo frame of cylinder has preferable sound-deadening and noise-reducing ability for basic, normal, high frequency noise, and is straight-tube shape, convenient
Installation, air inlet or exhaust outlet especially suitable for blower；First and second acoustical panel of muffler provided by the utility model
It is combined by multilayer material and considers the special constructions such as design damping block, air sound insulation area, each layer in it in respective material floor
Compound and special construction design can be such that erasure effect greatly enhances, while heat-insulated, insulation and high temperature resistance are preferable, hence it is evident that excellent
In conventional muffler, suitable for using under different scenes, market prospects are good.
Detailed description of the invention
Fig. 1 is a kind of cross-sectional view of muffler provided by the utility model；
Fig. 2 is the cross-sectional view of the first acoustical panel；
Fig. 3 is the cross-sectional view of the second acoustical panel.
In attached drawing, parts list represented by the reference numerals are as follows:
100. long cylinder；1001. the first acoustical panel；200. acoustical lining framves；2001. the second acoustical panel；1. zinc-plated panel
Layer；2. damping sound insulation layer；3. damping puigging；4. the first zinc-plated orifice layer；5. the first heat insulation fiber layer of cloth；6. damping sound-absorbing
Layer；7. the second heat insulation fiber layer of cloth；8. the second zinc-plated orifice layer；9. damping block；10. air sound insulation area；11. polyester fiber sound-absorbing
Plate.
Specific embodiment
The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining that this is practical
It is novel, it is not intended to limit the scope of the utility model.
As shown in Figures 1 to 3, the utility model provides a kind of muffler comprising long cylinder 100 and is set to the long cylinder
Several acoustical lining framves 200 in body 100, the cross section of the long cylinder 100 are rectangle, four sides of the long cylinder 100
Wall is made of the first acoustical panel 1001, and the acoustical lining frame 200 is spliced and multiple by multiple second acoustical panels 2001
Central axis rotational symmetry of the acoustical panel about the long cylinder 100, first acoustical panel 1001 is by out of cylinder outside to cylinder
Zinc-plated panel layer 1 that side is cascading, damping sound insulation layer 2, damping puigging 3, the first zinc-plated orifice layer 4, first are heat-insulated
Scrim cloth 5, damping sound absorbing layer 6, the second heat insulation fiber layer of cloth 7 and the second zinc-plated orifice layer 8 form.
Embodiment 1
In the present embodiment, second acoustical panel 2001 by the be cascading first zinc-plated orifice layer 4, first every
Thermal fiber layer of cloth 5, damping sound absorbing layer 6, the second heat insulation fiber layer of cloth 7 and the second zinc-plated orifice layer 8 form.The acoustical lining frame
200 quantity is one and along the stretching, extension of the length direction of the long cylinder 100 and, suction identical as the length of the long cylinder 100
Sound bulkhead bracket, which connects across by side by four piece of second acoustical panel, (can add rectangle fixed center in junction when connection
The body of rod, the side of each acoustical panel and center body of rod fixed bonding), and be fixed in long cylinder.The damping sound insulation layer 2 is by hindering
Buddhist nun's deadening felt is made.The damping puigging 3 include be located in the damping sound insulation layer 2 and the first zinc-plated orifice layer 4 it
Between and uniform intervals setting multiple damping blocks 9, air sound insulation area 10 is formed between the adjacent damping block 9.The damping
Sound absorbing layer 6 is by the polyester fibre acoustic panel 11 that is located between the first heat insulation fiber layer of cloth 5 and the second heat insulation fiber layer of cloth 7
It is formed with several damping blocks 9, the polyester fibre acoustic panel 11 is equipped with several through-holes, and the damping block 9 is one-to-one embedding
Enter the through-hole.The damping block 9 is strip and adjacent 9 parallel interval of the damping block is arranged.The zinc-plated panel layer 1
With a thickness of 0.5-2.0mm, the damping sound insulation layer 2 with a thickness of 1.3-1.5mm, the damping puigging 3 with a thickness of 40-
50mm, the first zinc-plated orifice layer 4 with a thickness of 0.5-2.0mm, the first heat insulation fiber layer of cloth 5 with a thickness of 1.0-
1.2mm, the damping sound absorbing layer 6 with a thickness of 80-100mm, the second heat insulation fiber layer of cloth 7 with a thickness of 1.0-1.2mm, it is described
Second zinc-plated orifice layer 8 with a thickness of 0.5-2.0mm.
Embodiment 2
In the present embodiment, 1 base phase of overall structure with embodiment of muffler is same, and only difference is the sound-absorbing
The quantity of bulkhead bracket 200 is multiple and is arranged at the length direction interval of the long cylinder 100.The two neighboring acoustical lining
One angle of rotational offset (such as the angle for the 5-15 degree that is staggered) on the length direction of the long cylinder 100 of frame 200, sound-absorbing every
Grillage is spliced into Y shape by side by 3 the second acoustical panels, or is spliced into a meter word by more second acoustical panels as needed
Shape etc..
In factory, embodiment 1 and 2 is mounted respectively at the air inlet or exhaust outlet of powerful blower, it is examined
Sound-deadening and noise-reducing effect is examined, fully meets real requirement, than traditional cylinder type with sound-absorbing material or magic mushroom shape noise reduction
Device has better sound-deadening and noise-reducing effect.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (10)
1. a kind of muffler, which is characterized in that including long cylinder (100) and several suctions being set in the long cylinder (100)
The cross section of sound bulkhead bracket (200), the long cylinder (100) is rectangle, and four side walls of the long cylinder (100) are by first
Acoustical panel (1001) is constituted, and the acoustical lining frame (200) is spliced by multiple second acoustical panels (2001) and multiple noise reductions
Central axis rotational symmetry of the plate about the long cylinder (100), first acoustical panel (1001) is by out of cylinder outside to cylinder
Zinc-plated panel layer (1) that side is cascading, damping sound insulation layer (2), damping puigging (3), the first zinc-plated orifice layer (4),
First heat insulation fiber layer of cloth (5), damping sound absorbing layer (6), the second heat insulation fiber layer of cloth (7) and the second zinc-plated orifice layer (8) composition.
2. a kind of muffler according to claim 1, which is characterized in that second acoustical panel (2001) is by stacking gradually
The zinc-plated orifice layer of first be arranged (4), the first heat insulation fiber layer of cloth (5), damping sound absorbing layer (6), the second heat insulation fiber layer of cloth (7)
With the second zinc-plated orifice layer (8) composition.
3. a kind of muffler according to claim 1 or 2, which is characterized in that the quantity of the acoustical lining frame (200) is
One and along the length direction of the long cylinder (100) stretching, extension and it is identical as the length of the long cylinder (100).
4. a kind of muffler according to claim 1 or 2, which is characterized in that the quantity of the acoustical lining frame (200) is
It is multiple and the length direction interval of the long cylinder (100) be arranged.
5. a kind of muffler according to claim 4, which is characterized in that the two neighboring acoustical lining frame (200) exists
One angle of rotational offset on the length direction of the long cylinder (100).
6. a kind of muffler according to claim 1 or 2, which is characterized in that the damping sound insulation layer (2) is by damping sound insulation
Felt at.
7. a kind of muffler according to claim 1 or 2, which is characterized in that the damping puigging (3) includes being located in
Between the damping sound insulation layer (2) and the first zinc-plated orifice layer (4) and uniform intervals setting multiple damping blocks (9), phase
Air sound insulation area (10) are formed between the adjacent damping block (9).
8. a kind of muffler according to claim 1 or 2, which is characterized in that the damping sound absorbing layer (6) is by being located in
State the polyester fibre acoustic panel (11) between the first heat insulation fiber layer of cloth (5) and the second heat insulation fiber layer of cloth (7) and several dampings
Block (9) composition, the polyester fibre acoustic panel (11) are equipped with several through-holes, and the damping block (9) is embedded in institute correspondingly
State through-hole.
9. a kind of muffler according to claim 7, which is characterized in that the damping block (9) is strip and adjacent institute
State the setting of damping block (9) parallel interval.
10. a kind of muffler according to claim 1 or 2, which is characterized in that the zinc-plated panel layer (1) with a thickness of
0.5-2.0mm, the damping sound insulation layer (2) with a thickness of 1.3-1.5mm, the damping puigging (3) with a thickness of 40-
50mm, the first zinc-plated orifice layer (4) with a thickness of 0.5-2.0mm, the first heat insulation fiber layer of cloth (5) with a thickness of
1.0-1.2mm, the damping sound absorbing layer (6) with a thickness of 80-100mm, the second heat insulation fiber layer of cloth (7) with a thickness of 1.0-
1.2mm, the second zinc-plated orifice layer (8) with a thickness of 0.5-2.0mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820923018.2U CN208376138U (en) | 2018-06-14 | 2018-06-14 | A kind of muffler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820923018.2U CN208376138U (en) | 2018-06-14 | 2018-06-14 | A kind of muffler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208376138U true CN208376138U (en) | 2019-01-15 |
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ID=64966740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820923018.2U Active CN208376138U (en) | 2018-06-14 | 2018-06-14 | A kind of muffler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208376138U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108819363A (en) * | 2018-06-14 | 2018-11-16 | 六合天地（武汉）环境有限公司 | A kind of muffler |
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2018
- 2018-06-14 CN CN201820923018.2U patent/CN208376138U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108819363A (en) * | 2018-06-14 | 2018-11-16 | 六合天地（武汉）环境有限公司 | A kind of muffler |
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