CN209782940U - Novel building ventilation exhaust duct - Google Patents
Novel building ventilation exhaust duct Download PDFInfo
- Publication number
- CN209782940U CN209782940U CN201920445108.XU CN201920445108U CN209782940U CN 209782940 U CN209782940 U CN 209782940U CN 201920445108 U CN201920445108 U CN 201920445108U CN 209782940 U CN209782940 U CN 209782940U
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- pipeline
- plate
- arm
- main body
- exhaust duct
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Abstract
the utility model discloses a novel building ventilation exhaust duct, which comprises a duct main body, a clapboard and a plurality of elastic flaps, wherein the front end of the duct main body is provided with an air inlet pipe, and the rear end of the duct main body is provided with an air outlet pipe; the partition plate is arranged in the pipeline main body and divides the pipeline main body into a front pipeline and a rear pipeline, the front pipeline is communicated with the air inlet pipe, the rear pipeline is communicated with the air outlet pipe, and the partition plate is provided with a through hole which communicates the front pipeline with the rear pipeline; the elastic flaps are divided into two parts and are respectively arranged on the inner wall of the air inlet pipe and the inner wall of the air outlet pipe. Owing to adopted above-mentioned structure, therefore can reduce the utility model discloses in because of the noise that the gas flow produced, can build a comfortable living environment for people, reduce public regional noise pollution.
Description
Technical Field
The utility model relates to a novel building ventilation exhaust duct.
background
The existing buildings, especially the partial ventilation exhaust pipelines of residential kitchens, toilets and public areas, cannot create a comfortable living environment for people due to the flowing of air in the pipelines or generate great noise, and meanwhile, the noise pollution of the public areas is aggravated to influence the normal life of people.
SUMMERY OF THE UTILITY MODEL
to the above problems, the utility model provides a novel building ventilation exhaust duct that has the noise cancelling effect, can improve people's living environment level.
The utility model provides a technical scheme that above-mentioned problem adopted is:
A novel building ventilation exhaust duct, wherein, includes:
The pipeline comprises a pipeline main body, wherein the front end of the pipeline main body is provided with an air inlet pipe, and the rear end of the pipeline main body is provided with an air outlet pipe;
The partition plate is arranged in the pipeline main body and divides the pipeline main body into a front pipeline and a rear pipeline, the front pipeline is communicated with the air inlet pipe, the rear pipeline is communicated with the air outlet pipe, and the partition plate is provided with a through hole which is communicated with the front pipeline and the rear pipeline;
the elastic petals are divided into two parts which are respectively arranged on the inner wall of the air inlet pipe and the inner wall of the air outlet pipe.
further, the separator includes:
the main board is connected with the inner wall of the pipeline main body, and the through hole is formed in the main board;
The plurality of spiral teeth are annularly arranged outside the through hole.
furthermore, the windward side of the helical teeth is a wavy surface.
furthermore, the elastic flap comprises a U-shaped plate and a V-shaped arm which are sequentially connected, one side arm of the U-shaped plate is connected with the inner wall of the air inlet pipe/air outlet pipe, the bottom of the U-shaped plate is arched towards the air inlet of the air inlet pipe/air outlet pipe, the other side arm of the U-shaped plate is connected with one side arm of the V-shaped arm, the top of the V-shaped arm extends towards the center of the air inlet pipe/air outlet pipe, and the other side arm of the V-shaped arm extends towards the bottom of the U-shaped plate.
Furthermore, the cantilever end of the other side arm of the V-shaped arm is provided with a short plate, and the short plate is parallel to the side arm of the U-shaped plate.
furthermore, a silencing piece is respectively arranged in the front pipeline and the rear pipeline, and a plurality of small vent holes and a vent hole are formed in the silencing piece.
Furthermore, the amortization piece includes the T shaped plate, the diaphragm of T shaped plate with the inner wall of preceding pipeline/back pipeline links to each other, and a plurality of venthole sets up on the diaphragm, the air vent runs through the diaphragm and the riser of T shaped plate, and a plurality of venthole annular distribution is in the outside of air vent.
Furthermore, the noise reduction piece also comprises an annular elastic disc, and the annular elastic disc is sleeved outside the vertical plate.
Furthermore, the noise reduction part also comprises a plurality of elastic fins which are annularly arranged on the periphery of the vertical plate, and the elastic fins are positioned behind the annular elastic disc.
Furthermore, the elastic wing comprises a connecting plate and an arc-shaped arm which are sequentially connected, the connecting plate is connected with the vertical plate, the cantilever end of the arc-shaped arm extends towards the inner wall of the front pipeline/the rear pipeline, and the cantilever end of the arc-shaped arm is provided with a plurality of bevel teeth.
The utility model has the advantages that:
1. In the utility model, the clapboard is arranged in the pipeline main body, and the clapboard is provided with a plurality of spiral teeth distributed in an annular way, so that the flowing direction of the gas can be prevented from slowing down the flow speed of the gas flow, and the spiral teeth can also scatter the flowing direction of the gas, so that each row of sound waves of the noise generated by the flowing of the gas interfere and offset each other, thereby playing the effect of reducing the noise;
2. In the utility model, the air inlet pipe and the air outlet pipe are provided with a plurality of elastic petals, so when the air flow flows into the air inlet pipe/the air outlet pipe, part of sound energy of the noise generated by the air flow can be converted into elastic potential energy of the elastic petals, and the elastic petals deform, thereby reducing the noise;
3. the utility model discloses, all be equipped with amortization piece in preceding pipeline and the back pipeline, amortization piece includes annular elastic disk and a plurality of elasticity wing, therefore when the preceding pipeline of air current flow through/back pipeline, not only can receive blockking of amortization piece, makes sound reduce, simultaneously, can turn into the elastic potential energy of annular elastic disk and elasticity wing because of the sound energy of the noise that the air current flows and produce, makes annular elastic disk and elasticity wing take place to warp, carries out the amortization.
in addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate preferred embodiments of the invention and together with the description, serve to explain the principles of the invention. In the drawings:
Fig. 1 is a cross-sectional view of the present invention;
FIG. 2 is a further state diagram of FIG. 1;
Fig. 3 is a schematic structural diagram of the separator of the present invention.
fig. 4 is a schematic structural view of the elastic flap of the present invention.
Wherein, the labels in the figure are: the pipeline comprises a pipeline main body-1, a front pipeline-11, a rear pipeline-12, an air inlet pipe-2, an air outlet pipe-3, a partition plate-4, a main plate-41, a through hole-411, spiral teeth-42, elastic flaps-5, a U-shaped plate-51, V-shaped arms-52, short plates-53, a silencing piece-6, a T-shaped plate-61, small ventilation holes-611, ventilation holes-612, an annular elastic disc-62, elastic fins-63, a connecting plate-631, arc-shaped arms-632, conical teeth-6321, a first annular channel-7 and a second annular channel-8.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
Referring to fig. 1 to 4, as shown in fig. 1, 2 and 3, the novel building ventilation exhaust duct includes a duct main body 1, a partition plate 4 and a plurality of elastic flaps 5, an air inlet pipe 2 is disposed at a front end of the duct main body 1, an air outlet pipe 3 is disposed at a rear end of the duct main body 1, the partition plate 4 is disposed in the duct main body 1, the duct main body 1 is divided into a front duct 11 and a rear duct 12 by the partition plate 4, the front duct 11 is communicated with the air inlet pipe 2, the rear duct 12 is communicated with the air outlet pipe 3, the partition plate 4 includes a main plate 41 and a plurality of spiral teeth 42, the main plate 41 is connected to an inner wall of the duct main body 1, a through hole 411 is disposed on the main plate 41, the front duct 11 is communicated with the rear duct 12 by the through hole 411, the plurality of spiral teeth 42 are annularly disposed outside the through hole 411, due to the partition plate 4, therefore, the main plate 41 can obstruct the air flow to slow down the flow rate of the air flow, the spiral teeth 42 can also break up the flow direction of the air, so that the sound waves of each row of the noise generated by the air flow interfere and offset each other, thereby playing the effect of reducing the noise, and the plurality of elastic flaps 5 are divided into two parts and respectively arranged on the inner wall of the air inlet pipe 2 and the inner wall of the air outlet pipe 3.
In this embodiment, the main plate 41 is provided with 6 spiral teeth 42, and an included angle between adjacent spiral teeth 42 is 60 °, at this time, the sound attenuation effect of the partition plate 4 is the best.
In this embodiment, the windward side of the helical teeth 42 is a wavy surface, which further breaks up the flowing direction of the gas, so that the sound waves of each row of the noise generated by the gas flow interfere with each other and cancel each other out, thereby performing noise reduction.
As shown in fig. 4, the resilient flap 5 comprises a U-shaped plate 51 and a V-shaped arm 52 connected in sequence, one side arm of the U-shaped plate 51 is connected to the inner wall of the inlet pipe 2/outlet pipe 3, the bottom of the U-shaped plate 51 is arched toward the inlet of the inlet pipe 2/outlet pipe 3, the other side arm of the U-shaped plate 51 is connected to one side arm of the V-shaped arm 52, the top of the V-shaped arm 52 extends toward the center of the inlet pipe 2/outlet pipe 3, the other side arm of the V-shaped arm 52 extends toward the bottom of the U-shaped plate 51, the cantilever end of the other side arm of the V-shaped arm 52 is provided with a short plate 53, the short plate 53 is parallel to the side arm of the U-shaped plate 51, so that when the air flow flows into the inlet pipe 2/outlet pipe 3, a part of the sound energy of the noise generated by the air flow is converted, the resilient flap 5 is deformed so that the noise is reduced.
As shown in fig. 1 and 2, a sound-deadening piece 6 is respectively disposed in the front duct 11 and the rear duct 12, the sound-deadening piece 6 is provided with a plurality of small ventilation holes 611 and a ventilation hole 612, the sound-deadening piece 6 includes a T-shaped plate 61, a transverse plate of the T-shaped plate 61 is connected to an inner wall of the front duct 11/the rear duct 12, the plurality of small ventilation holes 611 are opened on the transverse plate, the ventilation hole 612 penetrates through a transverse plate and a vertical plate of the T-shaped plate 61, the plurality of small ventilation holes 611 are annularly distributed outside the ventilation hole 612, an annular elastic disc 62 and a plurality of elastic fins 63 are sleeved on an outer periphery of the vertical plate, the elastic fins 63 are located behind the annular elastic disc 62, a first annular channel 7 is formed between the annular elastic disc 62 and the inner wall of the front duct 11/the rear duct 12, a second annular channel 8 is formed between the elastic fins 63 and the inner wall of the front duct 11/the rear duct 12, the elastic fin 63 includes a connecting plate 631 and an arc arm 632 connected in sequence, the connecting plate 631 is connected to the vertical plate, a cantilever end of the arc arm 632 extends towards an inner wall of the front duct 11/the rear duct 12, and the cantilever end of the arc arm 632 is provided with a plurality of conical teeth 6321, so that when an air flow flows through the front duct 11/the rear duct 12, not only sound is reduced due to the blocking of the silencer 6, but also sound energy of noise generated by the air flow is converted into elastic potential energy of the annular elastic disc 62 and the elastic fin 63, so that the annular elastic disc 62 and the elastic fin 63 are deformed and silenced, and further, since the cantilever end of the arc arm 632 is provided with a plurality of conical teeth 6321, a tooth slot is formed between adjacent conical teeth 6321, so that when the air flow through the cantilever end of the arc arm 632, a part of sound wave generated by the air flow stays in the tooth slot, the self-reflection is carried out, and the transmission can not be continued, thereby achieving the silencing effect. As shown in fig. 2, the air flow first flows into the air inlet tube 2, then flows into the front tube 11, at this time, the air flow is divided into two parts to continue flowing, one part of the air flow flows into the through hole 411 after passing through the vent hole 612, the other part of the air flow flows into the first annular channel 7 from the vent hole 611, then flows between the second annular channel 8 and the adjacent elastic fin 63, then flows into the through hole 411, the air flow flowing into the through hole 411 then flows into the rear tube 12, at this time, the air flow is divided into two parts to continue flowing, one part of the air flow flows into the air outlet tube 3 after passing through the vent hole 612, the other part of the air flow flows into the first annular channel 7 from the vent hole 611, then flows into the second annular channel 8 and the adjacent elastic fin 63, then flows into the air outlet tube 3, and finally the air is.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A novel building ventilation exhaust duct characterized by comprising:
The pipeline comprises a pipeline main body (1), wherein an air inlet pipe (2) is arranged at the front end of the pipeline main body (1), and an air outlet pipe (3) is arranged at the rear end of the pipeline main body (1);
The partition plate (4) is arranged in the pipeline main body (1), the pipeline main body (1) is divided into a front pipeline (11) and a rear pipeline (12) by the partition plate (4), the front pipeline (11) is communicated with the air inlet pipe (2), the rear pipeline (12) is communicated with the air outlet pipe (3), a through hole (411) is formed in the partition plate (4), and the front pipeline (11) is communicated with the rear pipeline (12) by the through hole (411);
The elastic petals (5) are divided into two parts, and the two parts are respectively arranged on the inner wall of the air inlet pipe (2) and the inner wall of the air outlet pipe (3).
2. The new building ventilation exhaust duct according to claim 1, characterized in that the partition (4) comprises:
The main plate (41), the main plate (41) is connected with the inner wall of the pipeline main body (1), and the through hole (411) is formed in the main plate (41);
a plurality of helical teeth (42), a plurality of helical teeth (42) ring shape sets up outside through-hole (411).
3. the new building ventilation exhaust duct according to claim 2, characterized in that the windward side of the helical teeth (42) is a wavy side.
4. The novel building ventilation and exhaust duct of claim 1, characterized in that the elastic flap (5) comprises a U-shaped plate (51) and a V-shaped arm (52) which are connected in sequence, one side arm of the U-shaped plate (51) is connected with the inner wall of the air inlet pipe (2)/air outlet pipe (3), the bottom of the U-shaped plate (51) is arched towards the air inlet of the air inlet pipe (2)/air outlet pipe (3), the other side arm of the U-shaped plate (51) is connected with one side arm of the V-shaped arm (52), the top of the V-shaped arm (52) extends towards the center of the air inlet pipe (2)/air outlet pipe (3), and the other side arm of the V-shaped arm (52) extends towards the bottom of the U-shaped plate (51).
5. the new building ventilation exhaust duct according to claim 4, characterized in that the cantilevered end of the other side arm of the V-shaped arm (52) is provided with a short plate (53), the short plate (53) being parallel to the side arm of the U-shaped plate (51).
6. The novel building ventilation exhaust duct of claim 1, characterized in that a silencer (6) is respectively arranged in the front duct (11) and the rear duct (12), and a plurality of small ventilation holes (611) and a ventilation hole (612) are arranged on the silencer (6).
7. The novel building ventilation exhaust duct of claim 6, characterized in that the sound-deadening piece (6) comprises a T-shaped plate (61), a transverse plate of the T-shaped plate (61) is connected with the inner wall of the front duct (11)/the rear duct (12), a plurality of small ventilation holes (611) are arranged on the transverse plate, the ventilation holes (612) penetrate through the transverse plate and the vertical plate of the T-shaped plate (61), and the plurality of small ventilation holes (611) are annularly distributed on the outer side of the ventilation holes (612).
8. The new building ventilation exhaust duct according to claim 7, characterized in that the noise-damping member (6) further comprises an annular elastic disk (62), the annular elastic disk (62) being fitted over the outer side of the riser.
9. The new building ventilation exhaust duct according to claim 8, characterized in that the silencer (6) further comprises a plurality of elastic fins (63) annularly disposed on the riser outer periphery, the elastic fins (63) being located rearward of the annular elastic disc (62).
10. the new building ventilation exhaust duct according to claim 9, characterized in that the elastic fin (63) comprises a connecting plate (631) and an arc arm (632) connected in series, the connecting plate (631) being connected to the riser, the cantilever end of the arc arm (632) extending towards the inner wall of the front duct (11)/rear duct (12), and the cantilever end of the arc arm (632) being provided with a number of conical teeth (6321).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920445108.XU CN209782940U (en) | 2019-04-03 | 2019-04-03 | Novel building ventilation exhaust duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920445108.XU CN209782940U (en) | 2019-04-03 | 2019-04-03 | Novel building ventilation exhaust duct |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209782940U true CN209782940U (en) | 2019-12-13 |
Family
ID=68800985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920445108.XU Expired - Fee Related CN209782940U (en) | 2019-04-03 | 2019-04-03 | Novel building ventilation exhaust duct |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209782940U (en) |
-
2019
- 2019-04-03 CN CN201920445108.XU patent/CN209782940U/en not_active Expired - Fee Related
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Legal Events
| 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: 20191213 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |