CN215410795U - Internal heat-insulation silencing air pipe - Google Patents
Internal heat-insulation silencing air pipe Download PDFInfo
- Publication number
- CN215410795U CN215410795U CN202121687127.7U CN202121687127U CN215410795U CN 215410795 U CN215410795 U CN 215410795U CN 202121687127 U CN202121687127 U CN 202121687127U CN 215410795 U CN215410795 U CN 215410795U
- Authority
- CN
- China
- Prior art keywords
- air pipe
- air
- layer
- supporting block
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Duct Arrangements (AREA)
Abstract
The utility model provides an internal heat-preservation and noise-reduction air pipe, which comprises: the air duct mechanism, the silencing layer, the first silencing plate and the second silencing plate; the ventilation pipe mechanism comprises a first air pipe and a second air pipe, and a buckle connection is formed between the air outlet end of the first air pipe and the air inlet end of the second air pipe; the silencing layer is arranged on the inner walls of the first air pipe and the second air pipe; one end of the first silencing plate is fixed between the first upper supporting block and the first lower supporting block; the first upper supporting block and the first lower supporting block are positioned on different sides of the axial lead of the first air pipe, and the first upper supporting block and the first lower supporting block are fixed on the silencing layer of the first air pipe; the first silencing plate protrudes towards the air inlet end of the first air pipe, and the second silencing plate protrudes towards the air outlet end of the second air pipe; a plurality of ventilation holes are formed in the first sound-absorbing plate and the second sound-absorbing plate, and sound-absorbing cotton is arranged in the ventilation holes. The silencing structure is arranged in the air pipe, and the silencing structure does not have an internal structure, so that the using amount is reduced, and the noise reduction performance is improved.
Description
Technical Field
The utility model belongs to the technical field of silencing air pipes, and particularly relates to an internal heat-preservation silencing air pipe.
Background
The air pipe is a pipeline system used for air conveying and distribution, has two types of composite air pipes and inorganic air pipes, can be classified according to the cross-sectional shape and the material, and is manufactured into a stainless steel air pipe by coating sealant on gaps such as seaming seams, rivet seams, flange turnup four corners and the like, and before coating the sealant, dust and oil stains on the surface are removed; according to cross sectional shape, the tuber pipe can divide into multiple such as circular tuber pipe, rectangle tuber pipe, oblate tuber pipe, and wherein circular tuber pipe resistance is minimum but the height dimension is the biggest, and the preparation is complicated, and so the application is mainly for the rectangle tuber pipe, according to the material, the tuber pipe can divide into metal tuber pipe, compound tuber pipe, polymer tuber pipe. The pipeline silencer is a common silencing and noise-reducing device in a ventilation pipeline, and is used for reducing the interference of air noise generated by ventilation on the living environment of people and keeping the low noise quality of living and working environments. The silencing elbow is an elbow lined with sound absorption materials and has a remarkable attenuation effect on sound waves.
But current silencer and noise elimination tuber pipe set up alone mostly, and be provided with inner structure in the silencer mostly, have not only increased the material of whole noise elimination tuber pipe like this, and its inner structure makes the silencer resistance increase moreover, leads to the circulation effect not good, can not be completely unobstructed plays the effect of noise elimination.
Disclosure of Invention
The utility model aims to provide an internal heat-insulation noise-reduction air pipe, wherein a noise-reduction structure is arranged in the air pipe, and the noise-reduction structure has no internal structure, so that the using amount is reduced, and the noise reduction performance is improved. In order to achieve the purpose, the utility model adopts the following technical scheme:
an interior heat preservation amortization tuber pipe includes:
the ventilation pipe mechanism comprises a first air pipe and a second air pipe, and the air outlet end of the first air pipe is connected with the air inlet end of the second air pipe in a clamping manner; the pipe body of the first air pipe and the pipe body of the second air pipe both comprise a heat insulation layer, a flame retardant layer, a waterproof layer and a metal outer shell layer which are sequentially arranged from inside to outside;
the silencing layer is arranged on the inner walls of the first air pipe and the second air pipe;
one end of the first silencing plate is fixed on the first upper supporting block, and the other end of the first silencing plate is fixed on the first lower supporting block; the first upper supporting block and the first lower supporting block are positioned on different sides of the axial lead of the first air pipe, and the first upper supporting block and the first lower supporting block are both fixed on the silencing layer of the first air pipe; one end of the second sound-absorbing plate is fixed on the second upper supporting block, and the other end of the second sound-absorbing plate is fixed on the second lower supporting block; the second upper supporting block and the second lower supporting block are positioned on different sides of the axial lead of the second air duct, and the second upper supporting block and the second lower supporting block are both fixed on the silencing layer of the second air duct; the first silencing plate protrudes towards the air inlet end of the first air pipe, and the second silencing plate protrudes towards the air outlet end of the second air pipe; all set up a plurality of ventilation holes on first acoustical panel and the second acoustical panel, set up in the ventilation hole and inhale the sound cotton.
Preferably, the pipe body of the first air pipe further comprises a reinforcing rib, and the reinforcing rib penetrates through the flame-retardant layer and the waterproof layer in sequence and extends into the interior of the metal shell layer.
Preferably, a clamping groove is formed in the air outlet end of the first air pipe, a clamping block corresponding to the clamping groove is arranged at the air inlet end of the second air pipe, and the clamping block and the clamping groove form the buckle connection.
Preferably, the air duct further comprises a first fixing plate and a second fixing plate, the first fixing plate is arranged on the outer wall of the first air duct, and the tail end of the first fixing plate is flush with the connecting end of the clamping groove; the second fixing plate is arranged on the outer wall of the second air pipe; threaded holes are formed in the first fixing plate and the second fixing plate respectively, and the two threaded holes are through holes and are correspondingly arranged; and the two threaded holes are matched with the same bolt.
Preferably, the number of the first fixing plates is 2, and the first fixing plates are respectively positioned on different sides of the axis of the first air duct; the number of the second fixing plates is 2, and the second fixing plates are respectively positioned on different sides of the axis of the second air pipe.
Preferably, the first fixing plate is annularly arranged along the outer wall of the first air duct, and the second fixing plate is annularly arranged along the outer wall of the second air duct.
Preferably, the sound-deadening layer is a sound-deadening cotton layer.
Preferably, the heat-insulating layer is a glass fiber cotton layer; the flame-retardant layer is a polypropylene resin layer.
Preferably, the metal casing layer is an aluminum alloy layer.
Compared with the prior art, the utility model has the advantages that:
(1) when wind passes through the ventilation pipe mechanism, noise generated by the wind is partially absorbed when passing through the noise reduction layer, and then other noise is absorbed through the sound absorption cotton in the ventilation holes, so that the noise generated by the wind is completely absorbed, and the noise reduction performance is improved.
(2) The first silencing plate and the second silencing plate are both arc-shaped, so that wind in the corresponding air pipes can be scattered and layered, and the wind can be absorbed layer by layer, and the noise absorption effect is good. In addition, the first sound-absorbing plate and the second sound-absorbing plate are arranged in a reverse direction, wind in the wind pipe is scattered and layered twice in different directions, and the noise absorption effect is further improved.
(3) The amortization structure includes that the amortization layer, first acoustical panel, second acoustical panel, the sound of inhaling on the first acoustical panel cotton, the second acoustical panel inhale the sound cotton on, from this above structure all sets up in the inside that corresponds the tuber pipe, and is integrated integrative with the tuber pipe, consequently need not to set up the amortization structure on the tuber pipe outside to the materials of tuber pipe have been reduced.
(4) The hardness of tuber pipe can be strengthened to the metal outer shell layer, and the waterproof layer can prevent the damage of water to the tuber pipe, and the heat preservation can make the tuber pipe possess the thermal-insulated function of heat preservation.
(5) The flame-retardant layer can protect the air pipe from being damaged in a high-temperature combustion environment, and the service life of the air pipe is guaranteed.
(6) Through setting up the buckle connection, can fix the second tuber pipe on first tuber pipe, can be with the second tuber pipe more firm fix on first tuber pipe in two fixed plates through bolt threaded connection, conveniently assemble a plurality of tuber pipes, make things convenient for the staff to use.
(7) The strengthening rib can make the bearing capacity of tuber pipe bigger, and intensity is higher, non-deformable.
Drawings
FIG. 1 is a schematic cross-sectional view of an interior heat-insulating and noise-reducing air duct according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of the first duct of FIG. 1;
fig. 3 is an enlarged schematic view of a portion a in fig. 1.
The sound-absorbing type wind power generator comprises a first wind pipe 1, a second wind pipe 2, a sound-absorbing layer 3, a clamping groove 4, a clamping block 5, a second lower supporting block 6, a first sound-absorbing plate 7, a ventilation hole 8, sound-absorbing cotton 9, a second fixing plate 10, a bolt 11, a threaded cap 12, a metal shell layer 13, a waterproof layer 14, a flame-retardant layer 15, a heat-insulating layer 16 and a reinforcing rib 17.
Detailed Description
The present invention will now be described in more detail with reference to the accompanying schematic drawings, in which preferred embodiments of the utility model are shown, it being understood that one skilled in the art may modify the utility model herein described while still achieving the advantageous effects of the utility model. Accordingly, the following description should be construed as broadly as possible to those skilled in the art and not as limiting the utility model.
As shown in FIGS. 1-3, an internal heat-preservation and noise-reduction air duct comprises: ventilation pipe mechanism, noise reduction layer 3, first noise reduction plate 7 and second noise reduction plate.
The ventilation pipe mechanism comprises a first air pipe 1 and a second air pipe 2; the air-out end of first tuber pipe 1 and the air inlet end intercommunication of second tuber pipe 2 form the buckle between the air-out end of first tuber pipe 1 and the air inlet end of second tuber pipe 2 and are connected. Specifically, draw-in groove 4 is seted up to the air-out end of first tuber pipe 1, and the air inlet end of second tuber pipe 2 sets up fixture block 5 that corresponds with draw-in groove 4, and fixture block 5 constitutes the buckle with draw-in groove 4 and is connected.
The ventilation tube arrangement further comprises a first fixing plate and a second fixing plate 10.
The first fixing plate is arranged on the outer wall of the first air pipe 1, and the tail end of the first fixing plate is flush with the connecting end of the clamping groove 4; the second fixing plate 10 is arranged on the outer wall of the second air duct 2; threaded holes are formed in the first fixing plate and the second fixing plate 10 respectively, and the two threaded holes are through holes and are correspondingly arranged; the two threaded holes are matched with the same bolt 11, and threaded caps 12 are connected to two ends of the bolt 11 in a threaded mode. In this embodiment, the number of the first fixing plates is 2, and the first fixing plates are respectively located on different sides of the axial lead of the first air duct 1; the number of the second fixing plates 10 is 2, and the second fixing plates are respectively positioned on different sides of the axial lead of the second air duct 2. In other embodiments other than this embodiment, the first fixing plate is annularly disposed along the outer wall of the first air duct 1, and the second fixing plate 10 is annularly disposed along the outer wall of the second air duct 2.
The pipe body of the first air pipe 1 and the pipe body of the second air pipe 2 have the same structure.
The pipe body of first tuber pipe 1 includes heat preservation 16, fire-retardant layer 15, waterproof layer 14 and metal outer shell layer 13 that set gradually from inside to outside. The pipe body of the first air pipe 1 further comprises a reinforcing rib 17, wherein the reinforcing rib 17 extends to the heat insulation layer 16, sequentially penetrates through the flame-retardant layer 15 and the waterproof layer 14, and extends into the metal shell layer 13. The reinforcing ribs 17 can enable the bearing capacity of the air pipe to be larger, the strength to be higher and the air pipe to be not prone to deformation.
The pipe body of the second air pipe 2 also comprises a heat insulation layer, a flame retardant layer, a waterproof layer and a metal outer shell layer which are arranged in sequence from inside to outside; the pipe body of the second air pipe 2 also comprises a reinforcing rib, and the reinforcing rib penetrates through the flame-retardant layer and the waterproof layer in sequence to the heat-preservation layer and extends into the interior of the metal shell layer.
Wherein the heat-insulating layer 16 is a glass fiber cotton layer; the flame-retardant layer 15 is a polypropylene resin layer; the waterproof layer 14 is made of self-closing polymer cement-based waterproof coating; the metal shell layer 13 is an aluminum alloy layer.
And the sound attenuation layer 3 is respectively arranged on the heat insulation layer 16 of the first air duct 1 and the heat insulation layer of the second air duct 2. The sound-deadening layer 3 is a sound-deadening cotton layer.
The first sound-absorbing plate 7 is fixed on the first upper supporting block at one end, and the other end of the first sound-absorbing plate 7 is fixed on the first lower supporting block; the first upper supporting block and the first lower supporting block are positioned on different sides of the axial lead of the first air pipe 1, and the first upper supporting block and the first lower supporting block are both fixed on the silencing layer 3 of the first air pipe 1; one end of the second silencing plate is fixed on the second upper supporting block, and the other end of the second silencing plate is fixed on the second lower supporting block 6; the second upper supporting block and the second lower supporting block 6 are positioned on different sides of the axial lead of the second air duct 2, and the second upper supporting block and the second lower supporting block 6 are both fixed on the silencing layer 3 of the second air duct 2; the first silencing plate 7 protrudes towards the air inlet end of the first air pipe 1, and the second silencing plate protrudes towards the air outlet end of the second air pipe 2; a plurality of vent holes 8 are formed in the first sound-absorbing plate 7 and the second sound-absorbing plate, and sound-absorbing cotton 9 is arranged in the vent holes 8. Specifically, the first sound-absorbing plate 7 and the second sound-absorbing plate are both arc-shaped, so that wind in the corresponding air pipes can be scattered and layered, and the wind can be absorbed layer by layer, and the noise absorption effect is good. In addition, the first sound-absorbing plate 7 and the second sound-absorbing plate are arranged in a reverse direction, wind in the wind pipe is scattered and layered twice in different directions, and the noise absorption effect is further improved.
The working principle of the internal heat-preservation silencing air pipe is as follows:
during the use, after removing suitable position with first tuber pipe 1 and second tuber pipe 2, then with 5 joints of fixture block on the second tuber pipe 2 in draw-in groove 4, then wear bolt 11 in first fixed plate and second fixed plate, with 12 threaded connection of screw cap on bolt 11 to fix second tuber pipe 2 on first tuber pipe 1.
When wind passes through the ventilation pipe mechanism, noise generated by the wind is partially absorbed when passing through the noise reduction layer 3, and then the rest noise is absorbed through the sound absorption cotton 9 in the ventilation hole 8, so that the noise generated by the wind is completely absorbed, and noise pollution to the surrounding environment is prevented.
The above description is only a preferred embodiment of the present invention, and does not limit the present invention in any way. It will be understood by those skilled in the art that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (9)
1. The utility model provides an interior heat preservation amortization tuber pipe which characterized in that includes:
the ventilation pipe mechanism comprises a first air pipe and a second air pipe, and the air outlet end of the first air pipe is connected with the air inlet end of the second air pipe in a clamping manner; the pipe body of the first air pipe and the pipe body of the second air pipe both comprise a heat insulation layer, a flame retardant layer, a waterproof layer and a metal outer shell layer which are sequentially arranged from inside to outside;
the silencing layer is arranged on the inner walls of the first air pipe and the second air pipe;
one end of the first silencing plate is fixed on the first upper supporting block, and the other end of the first silencing plate is fixed on the first lower supporting block; the first upper supporting block and the first lower supporting block are positioned on different sides of the axial lead of the first air pipe, and the first upper supporting block and the first lower supporting block are both fixed on the silencing layer of the first air pipe; one end of the second sound-absorbing plate is fixed on the second upper supporting block, and the other end of the second sound-absorbing plate is fixed on the second lower supporting block; the second upper supporting block and the second lower supporting block are positioned on different sides of the axial lead of the second air duct, and the second upper supporting block and the second lower supporting block are both fixed on the silencing layer of the second air duct; the first silencing plate protrudes towards the air inlet end of the first air pipe, and the second silencing plate protrudes towards the air outlet end of the second air pipe; all set up a plurality of ventilation holes on first acoustical panel and the second acoustical panel, set up in the ventilation hole and inhale the sound cotton.
2. The internal thermal insulation and noise reduction air pipe according to claim 1, wherein the pipe body of the first air pipe further comprises a reinforcing rib, and the reinforcing rib extends to the thermal insulation layer, sequentially penetrates through the flame retardant layer and the waterproof layer, and extends into the metal outer shell.
3. The internal heat-preservation and noise-reduction air pipe according to claim 1, wherein a clamping groove is formed at an air outlet end of the first air pipe, a clamping block corresponding to the clamping groove is arranged at an air inlet end of the second air pipe, and the clamping block and the clamping groove form the buckle connection.
4. The internal heat-preservation and noise-reduction air pipe according to claim 3, further comprising a first fixing plate and a second fixing plate, wherein the first fixing plate is arranged on the outer wall of the first air pipe, and the tail end of the first fixing plate is flush with the connecting end of the clamping groove; the second fixing plate is arranged on the outer wall of the second air pipe; threaded holes are formed in the first fixing plate and the second fixing plate respectively, and the two threaded holes are through holes and are correspondingly arranged; and the two threaded holes are matched with the same bolt.
5. The internal heat-preservation and noise-reduction air pipe according to claim 4, wherein the number of the first fixing plates is 2, and the first fixing plates are respectively positioned on different sides of the axial lead of the first air pipe; the number of the second fixing plates is 2, and the second fixing plates are respectively positioned on different sides of the axis of the second air pipe.
6. The internal insulation and noise reduction air duct according to claim 4, wherein the first fixing plate is annularly disposed along an outer wall of the first air duct, and the second fixing plate is annularly disposed along an outer wall of the second air duct.
7. The internal insulation and noise reduction air duct according to claim 1, wherein the noise reduction layer is a noise reduction cotton layer.
8. The internal insulation and noise reduction air duct according to claim 1, wherein the insulation layer is a glass fiber cotton layer; the flame-retardant layer is a polypropylene resin layer.
9. The internal thermal insulation and sound attenuation air duct according to claim 1, wherein the metal outer shell layer is an aluminum alloy layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121687127.7U CN215410795U (en) | 2021-07-23 | 2021-07-23 | Internal heat-insulation silencing air pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121687127.7U CN215410795U (en) | 2021-07-23 | 2021-07-23 | Internal heat-insulation silencing air pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215410795U true CN215410795U (en) | 2022-01-04 |
Family
ID=79652333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121687127.7U Active CN215410795U (en) | 2021-07-23 | 2021-07-23 | Internal heat-insulation silencing air pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215410795U (en) |
-
2021
- 2021-07-23 CN CN202121687127.7U patent/CN215410795U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106989069A (en) | Blower fan silencer | |
| CN111456850A (en) | Power supply sound insulation device of diesel generator | |
| CN215410795U (en) | Internal heat-insulation silencing air pipe | |
| CN205331629U (en) | Energy -conserving tuber pipe of making an uproar falls | |
| CN213628058U (en) | Ultra-low noise high-efficiency axial flow fan | |
| CN206487543U (en) | A kind of diesel-driven generator exhaust silencer system | |
| CN112377431B (en) | Ultra-low noise high-efficiency axial flow fan | |
| CN203068747U (en) | Sound attenuation air duct | |
| CN214222396U (en) | Silencer for silencing spiral air pipe | |
| CN114215707A (en) | Noise eliminator and wind generating set | |
| CN209802129U (en) | Cooling tower with silencer | |
| CN217874773U (en) | Filtering type air inlet silencing pipe | |
| CN220770486U (en) | Ventilating duct with sound insulation and noise reduction functions | |
| CN211424666U (en) | Combined noise reduction device of air conditioning unit | |
| CN220319946U (en) | Fan muffler easy to maintain | |
| CN220850498U (en) | Automobile brake pump cover with noise reduction function | |
| CN218676462U (en) | Sound-absorbing wall of silencer | |
| CN205004027U (en) | Corrugated surface tubulose silencer | |
| CN218326832U (en) | High-strength silencer | |
| CN221762981U (en) | Pressure pipeline muffler | |
| CN216812302U (en) | Circular muffler for fan | |
| CN208996795U (en) | A kind of ventilating noise silencer for generating set | |
| CN219390056U (en) | Super micropore silencing device for healthy fresh air pipeline | |
| CN211258776U (en) | High temperature resistant silencer for car | |
| CN208919536U (en) | A kind of multilevel hierarchy trumpet type silencer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |