CN213687223U - Air duct flow guide noise reduction elbow - Google Patents
Air duct flow guide noise reduction elbow Download PDFInfo
- Publication number
- CN213687223U CN213687223U CN202021456247.1U CN202021456247U CN213687223U CN 213687223 U CN213687223 U CN 213687223U CN 202021456247 U CN202021456247 U CN 202021456247U CN 213687223 U CN213687223 U CN 213687223U
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- elbow
- shell
- diversion
- silencing
- flow guide
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Abstract
The utility model discloses a wind channel water conservancy diversion amortization elbow relates to wind channel water conservancy diversion amortization elbow technical field. The flow guide elbow comprises a flow guide elbow shell and a flow guide silencing sheet, wherein the flow guide elbow shell comprises a flow guide elbow shell skin and a flow guide elbow shell inner plate, the flow guide elbow shell skin is fixedly connected with one end of a shell supporting piece, and the other end of the shell supporting piece is fixedly connected with the surface of the flow guide elbow shell inner plate. And the flow guide elbow shell skin and the intermediate interlayer of the inner plate of the flow guide elbow shell are fixedly connected with an elbow silencing filling material. The air duct diversion silencing elbow is provided with the diversion elbow shell and the diversion silencing pieces, has the function of silencing noise in an air duct, reasonably arranges the diversion silencing pieces in the diversion elbow shell, has the function of guiding air flow in the air duct, can greatly reduce the noise generated by the air duct diversion silencing elbow when in use while keeping the air flow to smoothly flow, and reduces the noise environmental pollution at the periphery of equipment.
Description
Technical Field
The utility model relates to a wind channel water conservancy diversion amortization elbow technical field specifically is a wind channel water conservancy diversion amortization elbow.
Background
The air duct is built by concrete, bricks and other materials and is used for a channel for air circulation. According to the fire-fighting and fire-preventing requirements, a fire-preventing valve is added when a common air pipe is connected into an air channel.
The air flow passing through the elbow in the traditional technology in the air duct is usually uneven, in the process of ventilation, the distribution of air can be deviated to one side with larger inner radius of the elbow, and the traditional elbow has no silencing function, so that sound is transmitted out from the air outlet, the noise environment pollution around the equipment is caused, and certain influence on the life of surrounding residents can be caused.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a wind channel water conservancy diversion amortization elbow has solved above-mentioned background art and has mentioned the inhomogeneous problem of distribution in the wind channel to can effectually avoid equipment to cause peripheral noise environmental pollution's problem.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides an air duct water conservancy diversion amortization elbow, includes water conservancy diversion elbow shell and water conservancy diversion amortization piece, water conservancy diversion elbow shell includes water conservancy diversion elbow shell covering and water conservancy diversion elbow shell inner panel, water conservancy diversion elbow shell covering and shell support piece's one end fixed connection, shell support piece's the other end and the fixed surface of water conservancy diversion elbow shell inner panel are connected.
Furthermore, an elbow silencing filling material is fixedly connected with an intermediate layer between the flow guide elbow shell skin and the flow guide elbow shell inner plate, the elbow silencing filling material is formed by wrapping a sound absorption material by a braided fabric, and a plurality of flow guide silencing pieces are fixedly connected inside the flow guide elbow shell.
Furthermore, the diversion noise damping sheet comprises a noise damping sheet perforated plate which is a cavity metal plate, and a noise damping sheet supporting piece is fixedly connected inside a cavity of the noise damping sheet perforated plate.
Furthermore, the shell supporting piece is formed by welding cold-bent metal plates and has certain strength.
Furthermore, the inner plate of the diversion elbow shell is of a perforated plate structure, and the hole diameter and the hole interval of the perforated plate are determined according to the equipment sound source.
Furthermore, the silencing piece supporting piece is formed by welding a metal plate cold-bending plate and has certain strength, the silencing piece supporting piece is fixedly connected with the silencing piece perforated plate, one end of the silencing piece perforated plate is fixedly connected with the silencing piece outlet flow guide cover, and the other end of the silencing piece perforated plate is fixedly connected with the silencing piece inlet flow guide cover.
Further, an interlayer between the sound-absorbing sheet perforated plates is filled with a sound-absorbing sheet filling material, and the sound-absorbing sheet filling material is formed by wrapping a sound-absorbing material by a braided fabric.
Furthermore, the silencing sheet outlet air guide sleeve and the air guide silencing sheet inlet air guide sleeve are formed by metal plate cold-bending plates.
(III) advantageous effects
The utility model provides a wind channel water conservancy diversion amortization elbow. The method has the following beneficial effects:
(1) the air duct diversion silencing elbow is provided with the diversion elbow shell and the diversion silencing sheet, has the function of silencing noise in an air duct, reasonably arranges the diversion silencing sheet in the diversion elbow shell, has the function of guiding air flow in the air duct, can keep the air flow to flow smoothly, greatly reduces the noise generated by the air duct diversion silencing elbow when in use, and reduces the noise environmental pollution at the periphery of equipment.
(2) This wind channel water conservancy diversion amortization elbow has intensity for metal sheet cold-formed plate welded fastening, can independent shaping and hoist and mount, uses in the wind channel of wind channel water conservancy diversion amortization elbow adaptation high velocity air flow, has improved the practicality of wind channel water conservancy diversion elbow.
(3) This wind channel water conservancy diversion amortization elbow is applicable to the outdoor environment, itself has dustproof and waterproof function, and is economical and durable.
Drawings
Fig. 1 is a schematic view of the front cross-sectional structure of the present invention;
FIG. 2 is a schematic side view of the cross-sectional structure of the present invention;
FIG. 3 is a schematic view of the structure of the casing of the flow-guiding elbow of the present invention;
FIG. 4 is an enlarged schematic view of part A of the present invention;
fig. 5 is a schematic view of the structure of the flow-guiding silencing sheet of the present invention.
In the figure: the flow-guiding elbow comprises a flow-guiding elbow shell 1, a flow-guiding elbow shell cover 11, a flow-guiding elbow shell inner plate 12, a shell supporting piece 13, an elbow silencing filling material 14, a flow-guiding silencing sheet 2, a silencing sheet perforated plate 21, a silencing sheet supporting piece 22, a silencing sheet filling material 23, a silencing sheet outlet flow-guiding cover 24 and a silencing sheet inlet flow-guiding cover 25.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious 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.
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides an air flue water conservancy diversion amortization elbow, includes water conservancy diversion elbow shell 1 and water conservancy diversion amortization piece 2, and water conservancy diversion elbow shell 1 includes water conservancy diversion elbow shell covering 11 and water conservancy diversion elbow shell inner panel 12, and water conservancy diversion elbow shell covering 11 and shell support 13's one end fixed connection, shell support 13's the other end and the fixed surface of water conservancy diversion elbow shell inner panel 12 are connected.
Further, the shell supporting piece 13 is formed by welding a metal plate cold-bending plate and has certain strength, an elbow silencing filling material 14 is fixedly connected to an interlayer between the diversion elbow shell skin 11 and the diversion elbow shell inner plate 12, the diversion elbow shell inner plate 12 is of a perforated plate structure, and the hole diameter and the hole interval of the perforated plate are determined according to an equipment sound source.
Further, elbow amortization filler material 14 comprises knitting parcel sound absorbing material, the inside fixedly connected with a plurality of water conservancy diversion noise damping sheet 2 of water conservancy diversion elbow shell 1, water conservancy diversion noise damping sheet 2 includes noise damping sheet perforated plate 21, noise damping sheet perforated plate 21 is the cavity metal sheet, intermediate layer packing noise damping sheet filler material 23 between the noise damping sheet perforated plate 21, noise damping sheet filler material 23 comprises knitting parcel sound absorbing material, the inside fixedly connected with noise damping sheet support piece 22 of cavity of noise damping sheet perforated plate 21.
Further, the silencing piece supporting piece 22 is formed by welding a metal plate cold-bending plate and has certain strength, the silencing piece supporting piece 22 is fixedly connected with the silencing piece perforated plate 21, one end of the silencing piece perforated plate 21 is connected with the silencing piece outlet flow guide cover 24, the silencing piece outlet flow guide cover 24 and the silencing piece inlet flow guide cover 25 are formed by forming the metal plate cold-bending plate, and the other end of the silencing piece perforated plate 21 is fixedly connected with the silencing piece inlet flow guide cover 25.
In addition, the air duct diversion and noise reduction elbow can adjust the bending angle according to the actual air duct structure.
In addition, the air duct flow guiding and noise reducing elbow is formed by combining and fixing a flow guiding elbow shell 1 and a plurality of flow guiding and noise reducing sheets 2 in a mechanical connection mode; the guide silencing pieces 2 can be arranged at intervals according to actual air channel data.
It is worth noting that the flow guiding elbow casing 1 is composed of a flow guiding elbow casing skin 11, a flow guiding elbow casing inner plate 12, a casing support 13 and an elbow sound attenuation filling material 14.
It is worth noting that the diversion elbow casing skin 11 is made of a metal plate, and the interface of the skin is sealed; the port of the diversion elbow shell 11 is provided with an interface connected with other air channels.
In addition, the shell support 13 is formed by welding a cold-bent metal plate and has a certain strength, and is used for supporting the flow guide elbow shell skin 11 and the flow guide elbow shell inner plate 12.
In addition, the inner plate 12 of the diversion elbow housing is a perforated plate structure, and the hole diameter and the hole interval of the perforated plate are determined according to the sound source of the equipment. The inner plate 12 of the casing of the flow guide elbow is mechanically connected and fixed with the casing support 13.
It is worth noting that the elbow silencing filling material 14 is filled in the interlayer between the diversion elbow casing skin 11 and the diversion elbow casing inner plate 12.
It is noted that the bend silencing filler 14 is made of a woven fabric wrapped sound absorbing material to prevent high velocity air from carrying the sound absorbing material out of the duct.
In addition, the diversion silencing sheet 2 consists of a silencing sheet perforated plate 21, a silencing sheet supporting piece, a silencing sheet filling material 23, a silencing sheet outlet air guide sleeve 24 and a silencing sheet inlet air guide sleeve 25.
Further, the damper perforated plate 21 is a perforated plate structure, and the hole diameter and the hole pitch of the perforated plate are determined depending on the apparatus sound source. The silencing piece perforated plate 21 is mechanically connected and fixed with the silencing piece supporting piece.
It is noted that the support for the silencer assembly is formed by welding cold-formed metal plates, has a certain strength, and is used for connecting the silencer assembly perforated plate 21, the silencer assembly outlet dome 24, and the silencer assembly inlet dome 25.
It is to be noted that the interlayer between the sound-deadening sheet perforated plates 21 is filled with a sound-deadening sheet filling material 23.
In addition, the sound-deadening sheet filling material 23 is formed by wrapping the sound-absorbing material with a woven fabric, and prevents the sound-absorbing material from being carried out of the duct by the high-speed airflow.
It should be noted that the silencer outlet dome 24 and the silencer inlet dome 25 are formed by cold-bending sheet metal, and are used for guiding the air in the air duct.
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 (6)
1. The utility model provides an air duct water conservancy diversion amortization elbow, includes water conservancy diversion elbow shell (1) and water conservancy diversion amortization piece (2), its characterized in that: the diversion elbow shell (1) comprises a diversion elbow shell cover (11) and a diversion elbow shell inner plate (12), the diversion elbow casing skin (11) is fixedly connected with one end of the casing support piece (13), the other end of the shell supporting piece (13) is fixedly connected with the surface of the inner plate (12) of the diversion elbow shell, an elbow silencing filling material (14) is fixedly connected with an interlayer between the diversion elbow shell skin (11) and the diversion elbow shell inner plate (12), the elbow silencing filling material (14) is formed by wrapping sound absorption materials by braided fabrics, a plurality of flow guide silencing sheets (2) are fixedly connected inside the flow guide elbow shell (1), the diversion noise reduction plate (2) comprises a noise reduction plate perforated plate (21), the noise reduction plate perforated plate (21) is a hollow metal plate, the interior of the cavity of the sound-deadening sheet perforated plate (21) is fixedly connected with a sound-deadening sheet supporting piece (22).
2. The air duct flow guiding and noise reducing elbow according to claim 1, wherein: the shell supporting piece (13) is formed by welding cold-bent metal plates and has certain strength.
3. The air duct flow guiding and noise reducing elbow according to claim 1, wherein: the inner plate (12) of the diversion elbow shell is of a perforated plate structure, and the hole diameter and the hole interval of the perforated plate are determined according to an equipment sound source.
4. The air duct flow guiding and noise reducing elbow according to claim 1, wherein: the silencer structure is characterized in that the silencer support piece (22) is formed by welding a metal plate cold-bending plate and has certain strength, the silencer support piece (22) is fixedly connected with the silencer perforated plate (21), one end of the silencer perforated plate (21) is connected with the silencer outlet flow guide cover (24), and the other end of the silencer perforated plate (21) is fixedly connected with the silencer inlet flow guide cover (25).
5. The air duct flow guiding and noise reducing elbow according to claim 1, wherein: and an interlayer between the sound-absorbing sheet perforated plates (21) is filled with a sound-absorbing sheet filling material (23), and the sound-absorbing sheet filling material (23) is formed by wrapping a sound-absorbing material by a braided fabric.
6. The air duct flow guiding and noise reducing elbow according to claim 4, wherein: the silencing sheet outlet guide cover (24) and the silencing sheet inlet guide cover (25) are formed by cold-bending metal plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021456247.1U CN213687223U (en) | 2020-07-22 | 2020-07-22 | Air duct flow guide noise reduction elbow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021456247.1U CN213687223U (en) | 2020-07-22 | 2020-07-22 | Air duct flow guide noise reduction elbow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213687223U true CN213687223U (en) | 2021-07-13 |
Family
ID=76742572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021456247.1U Active CN213687223U (en) | 2020-07-22 | 2020-07-22 | Air duct flow guide noise reduction elbow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213687223U (en) |
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2020
- 2020-07-22 CN CN202021456247.1U patent/CN213687223U/en active Active
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